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Ultrasonic welding machine edit
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Ultrasonic welding machine generates 20KHz (or 15KHz) high-voltage, high-frequency signal by the generator, and converts the signal into high-frequency mechanical vibration through the energy conversion system, which is added to the plastic workpiece, through the surface of the workpiece and the friction between molecules The temperature transmitted to the interface is increased. When the temperature reaches the melting point of the workpiece itself, the workpiece interface is quickly melted, and then the gap between the interfaces is filled. When the vibration stops, the workpiece is cooled and set at a certain pressure at the same time. Perfect welding.
Chinese name Ultrasonic welding machine Working principle Ultrasonic welding principle Sonic welding
table of Contents
1 Product information
2 Welding method
3 welding principle
5 Computer desktop
6 High power
7 Double head
8 three parallel
9 Four heads
10 eight seats
11 Hand welding
Product information editing
The principle of the ultrasonic welding machine is to generate a 20KHz (or 15KHz) high-voltage, high-frequency signal from the generator. The signal is converted into high-frequency mechanical vibration through the energy conversion system, which is added to the plastic workpiece, through the workpiece surface and between the molecules. Friction causes the temperature transferred to the interface to rise. When the temperature reaches the melting point of the workpiece itself, the workpiece interface is quickly melted and then filled in the gap between the interfaces. When the vibration stops, the workpiece is cooled and shaped under a certain pressure at the same time. Achieve perfect welding. The ultrasonic welding machine transmits the ultrasonic energy to the welding zone through the upper weldment. Since the welding zone, that is, the interface between the two welds, has a large acoustic resistance, local high temperature will be generated. Due to the poor thermal conductivity of the plastic, it cannot be distributed in time, and it gathers in the welding area, which causes the contact surface of the two plastics to melt quickly. After a certain pressure is added, it is merged into one. When the ultrasonic wave stops functioning, let the pressure continue for a little holding time to make it solidify and form, so as to form a strong molecular chain to achieve the purpose of welding, the welding strength can be close to the strength of the raw material. According to the level of automation, ultrasonic welding machines can be divided into automatic welding machines, semi-automatic ultrasonic welding machines, and manual welding machines. For modern enterprises, the higher the level of automation, the better the production line production. Therefore, the use of automatic welding machines is one of the future of enterprises trend.
Welding method editing
1. Welding method:
Under moderate pressure, the welding head vibrating with ultra-sonic wave produces frictional heat at the joint surface of the two pieces of plastic and instantaneously melts the joint. The welding strength is comparable to that of the body. The suitable work piece and reasonable interface design can achieve watertightness. And airtight, and avoid the inconvenience caused by the use of auxiliary products, to achieve efficient and clean welding.
2. Riveting and welding method:
The ultrasonic welding head with ultra-high frequency vibration is pressed against the protruding tip of the plastic product, so that it instantly melts into a rivet shape, and the materials of different materials are mechanically riveted together.
Through the preaching of the welding head and appropriate pressure, the metal parts (such as nuts, screws, etc.) are squeezed into the reserved plastic holes and fixed at a certain depth. After completion, regardless of the pulling force and torque, they can be comparable to the traditional mold. The strength can avoid the defects of damage to the injection mold and slow injection.
This method is similar to the riveting and welding method. The concave welding head is pressed against the outer ring of the plastic product. After the welding head produces ultrasonic ultra-high frequency vibration, the plastic is melted and formed to cover the metal object to fix it, and the appearance is smooth and beautiful. This method is mostly used in the fixing of electronics and speakers, and the fixing of cosmetics lenses.
5. Spot welding:
A. Welding the two pieces of plastic in a separate point does not require a pre-designed welding wire to achieve the purpose of welding.
B. For large-scale workpieces, it is not easy to design welding lines for spot welding, and to achieve the effect of welding, you can spot weld multiple points at the same time.
6. Cutting and sealing:
Using the working principle of instantaneous vibration of ultrasonic wave, the chemical fiber fabric is cut, and the advantage is that the cut is smooth and does not crack or brush.
Principle of welding
The electronic energy is converted into mechanical energy by ultrasonic vibration, and then the energy is transmitted to the contact surface of the plastic bow and arrow by the welding head (HORN), which causes intense friction between the molecules and the principle of heat generation, prompting the product to melt and combine into one. The processing speed is fast, clean, beautiful and economic.
Welding scope: toy industry, stationery industry, home appliance industry, electronics industry, food industry, communication industry, transportation industry, aerospace industry, etc.
Examples of ultrasonic welding:
Daily necessities industry: powder box, cosmetic mirror, hair comb, lock ring, thermos cup, sealed container, seasoning bottle, water pipe joint, handle,
Bottle caps, food containers, car lampshades, car water tanks, etc.
Toy industry: all kinds of ball toys, stationery, water guns, plastic gifts, musical toys, and all kinds of plastic toys ... etc.
Electrical industry: electronic clock, steam iron, vacuum cleaner, telephone, computer keyboard, electric fan, battery ... etc.
Automobile manufacturing: car lights, rearview mirrors, interior trims, bumpers, various types of plastic products ... etc.
The principle of rotary welding is designed for plastic circular thermoplastic products. The thermal force generated by the friction of plastic workpieces melts the contact surface of the plastic workpieces, and then the external pressure is driven to drive the upper and lower workpieces to solidify and become permanent. Sexual union.
Examples of spin melting: RO filter, freezing cup, thermos cup, vase, carburetor, shower head, thermos gas tank, etc.
The principle of hot plate welding uses a template to heat it to the required temperature, and then placed in the middle of the joint surface of the plastic workpiece and the workpiece, so that the thermal force is concentrated on the two joint surfaces. When melting occurs after heating, the hot template is exited and reused The external pressure causes the work pieces to become one and become a durable and durable function. It can process welded products. It has high hardness, complex shape and large volume. All products can be solved.
Examples of hot melt: car lights, outdoor refrigerators, door panels, pumps, water storage tanks, vacuum cleaners, hole balls, CD boxes, washing machine balance rings, rhythm dance pedals, etc.
Ultrasonic welding machine collects ultrasonic waves on the welding head and transfers them to the plastic welding workpiece. With the high frequency of 20KHZ-15KHZ and a certain amplitude, the two plastic joint surfaces are violently rubbed and melted to complete the gluing process in an instant. Ultrasonic plastic welding machine can also be used for spot welding, riveting, inlaying, cutting, embedding, straightening, forming, edge fitting and other processing techniques by replacing the welding head. It is suitable for polyethylene (G.L) and A. B. C. Welding of plastics such as polyacetal and polycarbonate.
The characteristics of the split ultrasonic welding machine: 1. IC precision control circuit, automatic overload protection system; 2. Digital code fine control switch, 1/100 accurate setting; 3. Four-point balance adjustment, easy adjustment of the welding head; 4. Original vibrator, power output is stronger than peers; 5. Resonant at no-load and no-load, no need to adjust welding head frequency; 6. Rectangular column / cylindrical optional, guide bearing, precision fine-tuning; 7. Turbine rotation Easily adjust the stroke of the fuselage, which solves the adjustment drawbacks of the conventional machine; the aluminum / titanium alloy variable spoke rod, the sound wave is strong and stable; 8. Self-built welding workshop, using aluminum alloy material, durable; 9. Using electronic originals from various factories, Excellent performance and reliability. 10. Using the latest technology computer touch screen (computer precision film, computer circuit board, computer display screen) welding accuracy of up to 0.1 millisecond error.
Scope of application of split ultrasonic welding machine: various injection-molded cut parts and fusion thermoplastic products, metal and plastic implantation, etc.
Welding / welding scope: toy industry, stationery industry, home appliance industry, electronics industry, food industry, communication industry, transportation industry, aerospace industry, etc.
Examples of ultrasonic welding machine: Daily necessities industry: powder box, cosmetic mirror, hair comb, lock ring, vacuum flask, sealed container, seasoning bottle, water pipe joint, handle, bottle cap, food container, car lampshade, car water tank, etc. Toy industry: all kinds of ball toys, stationery, water guns, plastic gifts, musical toys, and all kinds of plastic toys, etc. Electrical industry: electronic clock, steam iron, vacuum cleaner, telephone, computer keyboard, electric fan, battery, etc. Automotive industry: direction lights, rear-view mirrors, various plastic products, etc.
Computer desktop editing
Ultrasonic welding machine series products-computer-controlled ultrasonic plastic welding machine, features: 1. The only one in the country that adopts IC, full crystal automatic circuit, can choose energy and welding automatic energy control and frequency adjustment, and can still guarantee product quality after long-term production; 2. Using automatic control system, easy to operate, with high power and high efficiency; 3. 3. The additional over-voltage and over-power guarantee system can reduce faults and ensure safety; 4. Adopt four-point balance adjustment frame form quickly and surely. 5. Computer control type, touch screen induction.
Features of high-power ultrasonic plastic welding machine: 1. Using PLC programmable microcomputer control system, high degree of automation, control delay time, welding time, curing time, higher accuracy; 2. Using IC full crystal automatic circuit, automatic frequency tracking, The overload protection device makes the equipment more stable. 3. Use finger pull switch, which can be adjusted to 1/100 second accuracy, easy adjustment, and low failure rate; 4. It has good adaptability to soft PE, PP materials and plastic parts with large diameter; 5. Concentric Straight shaft design, minimum back elevation, accurate horizontal and vertical, strong mechanical structure; 6, super strong output, large welding surface, welding effect can be solid and beautiful, fast speed, good effect; 7, gravity steel casting machine, large base The seat structure is stable, high precision and beautiful appearance. 8. The large worktop with base is easy to produce; 9. The whole machine adopts a turbine structure lifting system for adjustment. 10. The whole machine is gravity cast and CNC machined. It is equipped with a large table structure, which is durable and high precision. 11.Electrical lifting body, convenient and quick mold adjustment.
The principle of high-power ultrasonic welding machine: The welding principle is to transmit ultrasonic waves to the plastic processing parts through the welding head, so that the two plastic joint surfaces are subjected to intense friction due to the effect of ultrasonic waves. The friction heat melts the plastic joint surfaces and completely joins. This technology has the advantages of fast speed and strong welding. More importantly, it can automate the processing of plastic products. Ultrasonic plastic welding machine can perform plastic welding, embedding, forming, riveting, electric welding, cutting, stitching and other operations, only need to change the welding head can be used for a variety of applications. All kinds of plastic parts can be processed by ultrasonic welding, without the need to add adhesives or other auxiliary products. Its advantages are increased productivity, reduced costs, and improved product quality. Welding principle: Ultrasonic energy is transmitted to the welding zone through the upper weldment. Due to the large acoustic resistance of the welding zone, that is, the interface between the two welds, local high temperature will be generated. Due to the poor thermal conductivity of the plastic, it cannot be distributed in time, and it gathers in the welding area, which causes the contact surface of the two plastics to melt quickly. After a certain pressure is added, it is merged into one. When the ultrasonic wave stops working, let the pressure last for a few seconds to make it solidify and form, so as to form a strong molecular chain, to achieve the purpose of welding, the welding strength can be close to the strength of the raw material.
Application range of high-power ultrasonic welding machine: Applicable to ABS, PP, PE, PC, PUC, PMMA, PS, PPS, PBT, PETG and other plastic materials, but also used in plastics, electronics, electrical appliances, auto parts, packaging, environmental protection, Medical equipment, non-woven clothing, stationery and daily necessities, plastic toys, sports goods, communication equipment and other industries. Such as: speakers, dashboards, folders, lights, vacuum cleaners, filters, electric mosquito swatters, etc.
Double-head ultrasonic plastic welding machine: ultrasonic welding, machine configuration: 1. The original piezoelectric ceramic transducer has strong and stable power output. 2. Special steel horn, strong and durable. 3. Adopt the horizontal adjustable structure of the welding head, which is convenient and quick to adjust the mold. 4. Complete assembly of high-quality imported electronic components, quality assurance. 5． Pneumatic components use imported accessories.
Benefits, advantages and features of ultrasonic welding:
1. Thermoplastic plastics other than Teflon can be welded;
2. The welding time is extremely short, usually in the range (0.05-1 second);
3. Ultrasonic welding does not produce toxicity like chemical agents, and is a safe welding process;
4. No need to add any adhesive, the operation is simpler and faster.
5. It can be welded to the joint surface through media such as water and oil.
6. The welding effect can reach the sealing effect of air tightness and liquid tightness;
7. Can be directly welded with conduction;
8. The welding energy varies with the plastic material, and not all the materials of ultrasonic vibration. Only the vibration surface suitable for the occurrence is cooked, so there is no worry about the surface of the product. This is the feature of evangelistic welding. When welding with hard plastics, the welding effect can be more effective. Ultrasonic welding machine, applicable to: body plastic parts, car doors, car instruments, car mirrors, sun visors, interior parts, filtration , Reflective materials, reflective road studs, bumpers, cables, motorcycle plastic filters, radiators, brake fluid tanks, oil cups, water tanks, fuel tanks, air ducts, exhaust gas purifiers, tray filter plates; plastic Electronics: prepaid water meters, electricity meters, communication equipment, cordless phones, mobile phone accessories, mobile phone cases, battery cases, chargers, valve-controlled sealed maintenance lead-acid batteries, 3-inch floppy disks, U disks, SD cards, CF cards, USB connectors , Bluetooth; toy stationery: folders, albums, folding boxes, PP hollow plates, PP ultrasonic welding, pen sets, ink cartridges, toner cartridges ;; medical daily use: watches, kitchenware, oral liquid bottle caps, drip bottle caps, mobile phone accessories, Daily necessities, hygiene products, children's products, air mattresses, hangers, knife handles, garden supplies, kitchen sanitary ware, showers, shower heads, anti-counterfeit bottle caps, cosmetic bottle caps, coffee pots, washing machines, air dehumidifiers, electric irons Kettle, vacuum cleaners, metal speaker grille and other civil engineering surface cover and ultrasonic welding.
Three-headed parallel editing
Three-head parallel ultrasonic welding machine, equipment specifications: 1. The three-head equipment is synchronously driven for processing action. 2. The driving mode of the equipment can be pneumatic. 3. According to equipment requirements, you can choose manual single control or automatic mode. 4. The equipment maintains good stability, which can ensure a consistent welding effect and a high degree of accuracy after workpiece processing. 5. Delay time, welding time, curing time, limit depth, welding pressure and other parameters are adjustable. Three-head parallel ultrasonic welding machine, product advantages and uses: 1. It can be applied to workpieces with different sizes and long or large welding surfaces. 2. It can be applied to any welding surface that can be ultrasonically welded, no special requirements. 3. Welding surface can be compensated for plastic margin, and welding strength is guaranteed. 4. According to the needs of various materials, the output of welding power can be adjusted. 5. Designed for large, irregular plastic parts, with the precision combination of multiple welding heads and multiple molds, it can be welded and formed at one time, which improves the production speed and product appearance.
Four-head ultrasonic welding machine is mainly used for welding car oil pot, car oil cup welding, car instrument welding, car instrument panel welding, car instrument panel welding, car instrument panel welding, car engine cover welding, car headlights, car sunroof welding , Turn on the lights and play in the small window, automobile instrument panel welding, instrument panel welding machine, automobile code dial welding, automobile instrument panel welding, etc. The four-head parallel ultrasonic plastic welding machine generates a 15KHZ high-voltage and high-frequency electrical signal from the ultrasonic generator, which is converted into mechanical oscillation of the same frequency by the piezoelectric inverse effect of the transducer, and acts on the plastic product workpiece in the form of audio longitudinal wave . Four-head parallel ultrasonic welding machine, some important operation instructions: 1. Turn on the power switch to enter the main interface. By default, all machines are in automatic state. At this time, press the operation button to operate the machine normally 2. To set the parameters and working status of each ultrasonic welding machine under the main interface, press the designated function key of the man-machine interface, the F1 key of No. 1 machine. Second machine