CN221437272U - Ultrasonic plastic welding machine - Google Patents
Ultrasonic plastic welding machine Download PDFInfo
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- CN221437272U CN221437272U CN202322648689.6U CN202322648689U CN221437272U CN 221437272 U CN221437272 U CN 221437272U CN 202322648689 U CN202322648689 U CN 202322648689U CN 221437272 U CN221437272 U CN 221437272U
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- 238000004023 plastic welding Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000003466 welding Methods 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model belongs to the technical field of plastic welding, and particularly relates to an ultrasonic plastic welding machine, which comprises a base, a frame arranged on the base, a lifting mechanism connected with the frame in a sliding manner, an ultrasonic assembly, a compensating mechanism and a driving mechanism, wherein the ultrasonic assembly, the compensating mechanism and the driving mechanism are detachably connected with the lifting mechanism; the driving mechanism is used for driving the compensation mechanism and the ultrasonic assembly to move up and down so as to provide welding pressure of the ultrasonic assembly to a workpiece, and the compensation mechanism is used for compensating the welding pressure; the utility model has better rigidity of the whole structure, can realize accurate positioning, prevent position deviation when welding workpieces and provide accurate high compensation effect.
Description
Technical Field
The utility model belongs to the technical field of plastic welding, and particularly relates to an ultrasonic plastic welding machine.
Background
Ultrasonic plastic welding is to apply high-frequency mechanical vibration to the surface of a workpiece to be welded, and the surface molecules of the workpiece are rubbed with each other to enable the temperature of a welding interface to be increased sharply, and when the temperature is increased enough to melt plastic, material flows are formed between the workpieces. When vibration ceases, the material cools under pressure to solidify, forming a firm and stable weld.
Ultrasonic plastic welding is a high-tech technique for welding thermoplastic articles, and various thermoplastic articles can be treated by ultrasonic welding. When the plastic products are welded, no adhesive, filler or solvent is required to be added, and a large amount of heat source is not consumed, so that the welding method has the advantages of simplicity and convenience in operation, high welding speed, high welding strength, high production efficiency and the like. Accordingly, ultrasonic welding technology is increasingly being used.
In practical application, the inventor finds that at least the following technical problems exist in the prior art: on one hand, the existing ultrasonic plastic welding machine is poor in structural rigidity, inaccurate in welding speed and welding depth control is easy to cause, the output power of ultrasonic waves is changed along with the welding, and the welding quality is difficult to ensure; on the other hand, when the plastic workpieces are welded, the requirement on welding pressure control precision is high, and the plastic workpieces are damaged due to pressure overshoot during welding of the existing plastic welding machine, so that the normal operation of ultrasonic welding is affected.
Based on this, there is a need for an improvement to the drawbacks of the prior art to overcome the deficiencies in practical use.
Disclosure of utility model
Based on the above-mentioned drawbacks and deficiencies of the prior art, it is an object of the present utility model to at least solve one or more of the above-mentioned problems of the prior art, in other words, to provide an ultrasonic plastic welding machine which meets one or more of the above-mentioned needs.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The utility model provides an ultrasonic plastic welding machine which comprises a base, a frame arranged on the base, a lifting mechanism connected with the frame in a sliding way, an ultrasonic assembly, a compensating mechanism and a driving mechanism, wherein the ultrasonic assembly, the compensating mechanism and the driving mechanism are detachably connected with the lifting mechanism; the driving mechanism is used for driving the compensation mechanism and the ultrasonic assembly to move up and down so as to provide welding pressure of the ultrasonic assembly to a workpiece, and the compensation mechanism is used for compensating the welding pressure.
Preferably, the compensation mechanism comprises a pressure sensor and a belleville spring, the belleville spring is connected with the pressure sensor, one end of the pressure sensor is connected with the driving mechanism, and one end of the belleville spring is connected with the ultrasonic assembly.
Preferably, the driving mechanism is configured as a cylinder, and the cylinder drives the pressure sensor and the belleville spring to move so as to adjust the welding position of the ultrasonic assembly.
As the preferable scheme, elevating system includes slip table, rack, gear and hand wheel, hand wheel with gear connection, the gear with rack-type transmission is connected, hand wheel with the gear install in the slip table.
Preferably, the rack comprises a stand column and a dovetail guide rail, the dovetail guide rail is arranged on the side wall of the stand column, and the sliding table is in sliding fit with the dovetail guide rail so that the sliding table moves up and down relative to the stand column.
As an optimal scheme, a gas spring is arranged on the rack, one end of the gas spring is connected with the upright post, and the other end of the gas spring is connected with the sliding table.
As an optimal scheme, the sliding table is connected with the base, a limiting assembly is arranged on the base and used for limiting the ultrasonic assembly.
As the preferable scheme, spacing subassembly includes fixed block, screw rod, regulating block and adjust knob, the fixed block is connected respectively at the both ends of screw rod, adjust knob locates the tip of screw rod, the regulating block transmission connect in the screw rod.
Preferably, the ultrasonic assembly comprises a moving cavity arranged on the base, and a transducer, an amplitude modulator and a welding head which are arranged in the moving cavity.
As a preferable scheme, a sliding block is fixedly connected to the base, a back connecting line rail of the moving cavity is connected, and the line rail is in sliding fit with the sliding block; the movable cavity is connected with a balancing weight, the balancing weight is in transmission connection with the screw, and the balancing weight is in contact fit with the adjusting block.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides an ultrasonic plastic welding machine, which can realize the accurate positioning of an ultrasonic assembly through a compensation mechanism, prevent the ultrasonic assembly from position deviation when welding workpieces, ensure that stable elastic potential energy is uniformly stored and released when the ultrasonic assembly bears long-term load during welding, and provide an accurate high compensation effect.
The utility model provides an ultrasonic plastic welding machine which can effectively ensure the output power and welding quality of ultrasonic waves, accurately control the welding pressure and improve the welding precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments of the drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an ultrasonic plastic welding machine according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a portion of an ultrasonic plastic welder in accordance with an embodiment of the present utility model;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is an exploded view of an ultrasonic assembly and compensation mechanism according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram illustrating the connection of a spacing component according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram showing the structural connection of a compensating mechanism according to an embodiment of the present utility model;
In the figure: 1. a base; 11. a frame; 12 upright posts, 13 dovetail guide rails; 14. a flying ring screw; 2. a driving mechanism; 21. a cylinder; 3. a lifting mechanism; 31. a sliding table; 311. a rack; 312. a gear; 313. hand-operated wheels; 32. a base; 33. a limit component; 331. a fixed block; 332. a screw; 333. an adjusting block; 334. an adjustment knob; 335. balancing weight; 34. a slide block; 35. a wire rail; 36. a gas spring; 4. an ultrasonic assembly; 41. a transducer; 42. an amplitude modulator; 43. welding head; 44. moving the cavity; 45. a cover plate; 5. a compensation mechanism; 51. belleville springs, 52, pressure sensors.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model, specific embodiments of the present utility model will be described below with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
Referring to fig. 1 to 6, an ultrasonic plastic welding machine is provided according to some embodiments of the present application, which includes a base 1, a frame 11 disposed on the base 1, a lifting mechanism 3 slidably connected to the frame 11, an ultrasonic assembly 4 detachably connected to the lifting mechanism 3, a compensating mechanism 5, and a driving mechanism 2, wherein a workpiece is disposed on the base 1, the driving mechanism 2 is connected to the compensating mechanism 5, the compensating mechanism 5 is connected to the ultrasonic assembly 4, and the ultrasonic assembly 4 is disposed opposite to the workpiece on the base 1 and is used for welding the workpiece; the driving mechanism 2 is used for driving the compensating mechanism 5 and the ultrasonic assembly 4 to move up and down so as to provide the welding pressure of the ultrasonic assembly 4 to the workpiece, and the compensating mechanism 5 is used for compensating the welding pressure.
Specifically, the compensating mechanism 5 includes a pressure sensor 51 and a belleville spring 52, the belleville spring 52 is connected with the pressure sensor 51, one end of the pressure sensor 51 is connected with the driving mechanism 2, and one end of the belleville spring 52 is connected with the ultrasonic assembly 4.
Further, the driving mechanism 2 is configured as a cylinder 21, and the cylinder 21 drives the pressure sensor 51 and the belleville spring 52 to move for adjusting the welding position of the ultrasonic assembly 4.
Further, one end of the pressure sensor 51 is fixedly connected with a piston rod of the air cylinder 21 through a connecting shaft sleeve, the other end of the pressure sensor 51 is connected with the belleville spring 52, uniform load release can be guaranteed through the belleville spring 52, the measuring accuracy of the pressure sensor is high, the stability is good, the data output performance is good, and real-time acquisition and accurate control of welding pressure in a welding process are guaranteed.
Further, the belleville springs 52 include four sets of elastic washers of upper and lower symmetry installation, can carry out accurate location through using elastic washer, prevent that the relative position deviation from appearing between the elastic washer, guarantee that the elastic washer evenly stores when the welding bears long-term load and releases stable elastic potential energy, then provide the effect of accurate high compensation force of ultrasonic assembly when welding the work piece.
According to some embodiments of the present application, the lifting mechanism 3 includes a sliding table 31, a rack 311, a gear 312 and a hand-operated wheel 313, the hand-operated wheel 313 is connected with the gear 312, the gear 312 is in transmission connection with the rack 311, and the hand-operated wheel 313 and the gear 312 are mounted on the sliding table 31.
Specifically, the sliding table 31 is connected with the base 32, and a limiting assembly 33 is arranged on the base 32, and the limiting assembly 33 is used for limiting the ultrasonic assembly 4.
Further, the limiting component 33 comprises a fixed block 331, a screw 332, an adjusting block 333 and an adjusting knob 334, wherein both ends of the screw 332 are respectively connected with the fixed block 331, the adjusting knob 334 is arranged at the end of the screw 332, and the adjusting block 333 is in transmission connection with the screw 332.
Further, the ultrasonic assembly 4 comprises a moving cavity 44 arranged on the base 32 and an ultrasonic triple set arranged in the moving cavity 44, wherein the ultrasonic triple set comprises a transducer 41, an amplitude modulator 42 and a welding head 43 which are sequentially and longitudinally arranged, ultrasonic longitudinal energy generated by the transducer 43 is fully converted into friction energy on the welding head 41, so that welding quality is improved, and efficiency conversion rate is improved.
The ultrasonic triple set is vertically arranged in the clamping groove of the moving cavity 44 and enables the fixed step of the amplitude modulator 42 to be integrally attached to the clamping groove, the cover plate 45 adopts an annular spherical design, so that the amplitude modulator 42 can be tightly attached, and the structural stability and ultrasonic output consistency in the ultrasonic welding work process are ensured.
Further, the base 32 is fixedly connected with the sliding block 34, the back of the moving cavity 44 is connected with the linear rail 35, and the linear rail 35 is in sliding fit with the sliding block 34; the movable cavity 44 is connected with a balancing weight 335, the balancing weight 335 is in transmission connection with a screw 334, the balancing weight 335 is located at a position between the fixed block 331 and the adjusting block, and the balancing weight 335 is used for being in contact fit with the adjusting block 333.
When the welding device is used, the adjusting knob 334 is manually rotated to drive the screw 332 to rotate so as to link the adjusting block 333 to move up and down along the sliding action of the inner wall of the base 32, when the adjusting block 333 moves to a certain position, the moving cavity 44 links the balancing weight 335 to move up and down along the screw 332 until the balancing weight 335 is in contact with the adjusting block 333, the movement is stopped, the limit exceeding of the position matching between the balancing weight 335 and the adjusting block 333 can be avoided, and the high-precision control of the welding movement stroke is ensured.
It should be noted that, according to different welding requirements of the workpieces, the position of the adjusting block 333 on the screw 332 is adjusted, so that the contact and matching positions of the balancing weight 335 and the adjusting block 333 are adjusted, the welding height can be adjusted, and the welding device is ensured to be suitable for different welding scenes.
According to some embodiments of the present application, the frame 11 includes a post 12 and a dovetail rail 13, the dovetail rail 13 is provided on a sidewall of the post 11, and the sliding table 31 is slidably engaged with the dovetail rail 13 to move the sliding table 31 up and down with respect to the post 12. The upright posts 11 are assembled by adopting a split mechanism, and the four upright posts are assembled and then have stronger structural rigidity and are convenient to assemble and disassemble.
Further, hanging operation can be conveniently carried out in the carrying process by arranging the hanging ring screws 14 on the upright posts 12, so that the working load is lightened, and the stability and the safety in the product moving process are ensured.
The frame 11 is provided with a gas spring 36, one end of the gas spring 36 is connected with the upright post 12, and the other end of the gas spring 36 is connected with the sliding table 31. The air spring 36 can ensure that the ultrasonic assembly 4 counteracts the whole gravity of the ultrasonic assembly when lifting, thereby being beneficial to improving the whole stability and the convenience of operators.
The lifting of the sliding table 31 along the up-down direction of the dovetail guide rail 13 is realized by rotating the hand-operated wheel 313, and then the lifting mechanism 3 is driven by the hand-operated wheel 313 to drive the base 32 to lift, so that the position adjustment of the air cylinder 21 and the ultrasonic assembly 4 is realized, the requirement that the welding requirements of different types of workpieces can be met under the condition that the travel of the air cylinder 21 is not required to be replaced is met, the welding quality is improved, and the production efficiency is improved.
The foregoing is only illustrative of the preferred embodiments and principles of the present utility model, and changes in specific embodiments will occur to those skilled in the art upon consideration of the teachings provided herein, and such changes are intended to be included within the scope of the utility model as defined by the claims.
Claims (9)
1. The ultrasonic plastic welding machine is characterized by comprising a base, a frame arranged on the base, a lifting mechanism connected with the frame in a sliding manner, an ultrasonic assembly, a compensating mechanism and a driving mechanism, wherein the ultrasonic assembly, the compensating mechanism and the driving mechanism are detachably connected with the lifting mechanism; the driving mechanism is used for driving the compensation mechanism and the ultrasonic assembly to move up and down so as to provide welding pressure of the ultrasonic assembly to a workpiece, and the compensation mechanism is used for compensating the welding pressure;
The lifting mechanism comprises a sliding table, a rack, a gear and a hand-operated wheel, wherein the hand-operated wheel is connected with the gear, the gear is connected with the rack in a transmission manner, and the hand-operated wheel and the gear are installed on the sliding table.
2. The ultrasonic plastic welding machine according to claim 1, wherein the compensation mechanism comprises a pressure sensor and a belleville spring, the belleville spring is connected with the pressure sensor, one end of the pressure sensor is connected with the driving mechanism, and one end of the belleville spring is connected with the ultrasonic assembly.
3. An ultrasonic plastic welding machine according to claim 2, wherein the drive mechanism is configured as a cylinder which drives the pressure sensor and belleville spring in motion for adjusting the welding position of the ultrasonic assembly.
4. The ultrasonic plastic welding machine according to claim 1, wherein the frame comprises a column and a dovetail rail, the dovetail rail is provided on a side wall of the column, and the sliding table is slidably engaged with the dovetail rail to move the sliding table up and down relative to the column.
5. The ultrasonic plastic welding machine according to claim 4, wherein a gas spring is arranged on the frame, one end of the gas spring is connected with the upright post, and the other end of the gas spring is connected with the sliding table.
6. The ultrasonic plastic welding machine according to claim 1, wherein the sliding table is connected with a base, and a limiting assembly is arranged on the base and used for limiting the ultrasonic assembly.
7. The ultrasonic plastic welding machine according to claim 6, wherein the limiting assembly comprises a fixed block, a screw rod, an adjusting block and an adjusting knob, wherein the two ends of the screw rod are respectively connected with the fixed block, the adjusting knob is arranged at the end part of the screw rod, and the adjusting block is in transmission connection with the screw rod.
8. The ultrasonic plastic welding machine of claim 7, wherein the ultrasonic assembly comprises a moving cavity disposed in the base and a transducer, an amplitude modulator, and a welding head disposed in the moving cavity.
9. The ultrasonic plastic welding machine according to claim 8, wherein a slide block is fixedly connected to the base, a back connecting wire rail of the moving cavity is connected, and the wire rail is in sliding fit with the slide block; the movable cavity is connected with a balancing weight, the balancing weight is in transmission connection with the screw, and the balancing weight is in contact fit with the adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648689.6U CN221437272U (en) | 2023-09-28 | 2023-09-28 | Ultrasonic plastic welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648689.6U CN221437272U (en) | 2023-09-28 | 2023-09-28 | Ultrasonic plastic welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221437272U true CN221437272U (en) | 2024-07-30 |
Family
ID=92062413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322648689.6U Active CN221437272U (en) | 2023-09-28 | 2023-09-28 | Ultrasonic plastic welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221437272U (en) |
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2023
- 2023-09-28 CN CN202322648689.6U patent/CN221437272U/en active Active
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