CN214522049U

CN214522049U - Ultrasonic welding machine that operation precision is high

Info

Publication number: CN214522049U
Application number: CN202023225015.8U
Authority: CN
Inventors: 刘进富
Original assignee: Shanghai Yanzhen Automation Equipment Co ltd
Current assignee: Shanghai Yanzhen Automation Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-29
Anticipated expiration: 2030-12-28

Abstract

The utility model provides an ultrasonic welding machine that operation precision is high belongs to welding machine technical field. The ultrasonic welding machine with high operation precision comprises a machine body mechanism and a welding mechanism. Organism mechanism includes supporting component, lower mould, bracing piece, support and industrial computer, the lower mould connect in supporting component one side, the bracing piece install in supporting component one side, the leg joint in bracing piece one side, the industrial computer install in support one end. The utility model discloses a lower mould, last mould, industrial computer, motor, threaded rod, round bar, slider, pneumatic cylinder, supersonic generator, transducer, amplitude transformer, bonding tool and pneumatic cylinder's effect to reached the high purpose of operating accuracy, the ultrasonic welding machine has automatic and two kinds of manual operating modes, fixes a position accurately, and precision is high, and easy operation leads to the welding time short, can reduce the loss of plastic part, reduce cost, efficient.

Description

Ultrasonic welding machine that operation precision is high

Technical Field

The utility model relates to a welding machine field particularly, relates to an ultrasonic welding machine that operation precision is high.

Background

The ultrasonic welding machine is suitable for welding various thermoplastic plastics and widely applied to the automobile industry, the electronic industry, the medical industry, the household appliance industry, non-woven fabric clothes, office supplies, the packaging industry, the toy industry and the like, the conventional ultrasonic welding machine with high operation precision is low in operation precision, the ultrasonic welding machine is often operated manually to position a workpiece, but errors are easily caused during manual operation, the precision is low, the operation is complex, the welding time is long, the loss of plastic parts can be increased, the cost is increased, and the efficiency is low.

Accordingly, those skilled in the art have provided an ultrasonic welding machine with high operation accuracy to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides an ultrasonic welding machine that operation precision is high aims at improving the problem that ultrasonic welding machine operation precision is low.

The utility model discloses a realize like this:

the utility model provides an ultrasonic welding machine that operation precision is high, including organism mechanism and welding mechanism.

The machine body mechanism comprises a supporting component, a lower die, a supporting rod, a bracket and an industrial personal computer, wherein the lower die is connected to one side of the supporting component, the supporting rod is arranged at one side of the supporting component, the bracket is connected at one side of the supporting rod, the industrial personal computer is arranged at one end of the bracket, the welding mechanism comprises a motor, a threaded rod, a sliding component, a round rod, a hydraulic cylinder, an ultrasonic generating component and an upper die, the motor is connected with one side of the supporting rod, the threaded rod is arranged on an output shaft of the motor, the threaded rod threads penetrate through the sliding component, two ends of the round rod are connected with the inner side of the supporting rod, the supporting rod penetrates through the sliding component in a sliding manner, the hydraulic cylinder is arranged on one side of the sliding component, the ultrasonic wave generating assembly is connected to an output shaft of the hydraulic cylinder, and the upper die is installed at one end of the ultrasonic wave generating assembly.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the slip subassembly includes the slider, the pneumatic cylinder connect in slider one side, first screw hole has been seted up to the slider internal surface, the threaded rod screw thread run through in first screw hole.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the through-hole has been seted up to the slider internal surface, the round bar with through-hole clearance fit.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the subassembly is taken place to the ultrasonic wave includes supersonic generator, transducer, amplitude transformer, bonding tool, extension board and horizontal screw, supersonic generator install in the output shaft of pneumatic cylinder, the transducer connect in supersonic generator's output shaft, amplitude transformer install in the output shaft of transducer, the bonding tool connect in amplitude transformer one end, go up the mould install in bonding tool one end, the extension board connect in supersonic generator both sides, horizontal screw thread run through in the extension board.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the second screw hole has been seted up to extension board internal surface, horizontal screw thread run through in the second screw hole.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, supporting component includes supporting shoe, chamber door, handle and switch, the lower mould with the bracing piece connect in supporting shoe one side, the chamber door rotate connect in supporting shoe one side, the handle install in chamber door one side, the switch connect in supporting shoe one side.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the cavity has been seted up to the supporting shoe internal surface, the chamber door sets up to two symmetric distributions, two the chamber door can seal the cavity.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, supporting shoe one side is seted up flutedly, the switch is located in the recess.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, organism mechanism still includes backup pad, pilot lamp and walking wheel, the backup pad connect in bracing piece one end, the pilot lamp install in backup pad one side, the walking wheel rotate connect in supporting shoe one side.

The utility model discloses an in the ultrasonic welding machine embodiment that operating accuracy is high, the industrial computer the pilot lamp the motor the pneumatic cylinder ultrasonic generator with electric connection between the transducer.

The utility model has the advantages that: the utility model discloses an ultrasonic welding machine that operation precision is high that obtains through above-mentioned design, when using, people install two work pieces that wait to weld respectively on lower mould and last mould at first, then can carry out automatic and manual operation mode as required, during automatic operation, the industrial control machine will open the motor, the motor will drive the threaded rod and rotate, the threaded rod will drive the slider through first screw hole and round bar and move left and right, the slider will drive supersonic generator through the pneumatic cylinder and move left and right, supersonic generator will drive the last mould through the transducer, amplitude transformer and bonding tool and move left and right, when the work piece in the last mould is located the work piece position of waiting to weld in the lower mould directly over, the industrial computer self-closing motor, then control pneumatic cylinder extends downwards, the pneumatic cylinder will drive supersonic generator and move downwards, supersonic generator will pass through the transducer, amplitude transformer and bonding tool drive the last mould and move downwards, when the workpiece in the upper die is in contact with the workpiece in the lower die and the workpiece in the upper die exerts certain pressure on the workpiece in the lower die, the industrial personal computer automatically controls the hydraulic cylinder to stop extending downwards, then the industrial personal computer automatically turns on the ultrasonic generator and the transducer, the ultrasonic generator converts fifty or sixty hertz current into fifteen, twenty, thirty or forty KHz electric energy, the converted high-frequency electric energy is converted into mechanical motion with the same frequency again through the transducer, then the mechanical motion is transmitted to the welding head through a set of amplitude changing rods, the welding head transmits the received vibration energy to a joint part of the workpiece to be welded, in the area, the vibration energy is converted into heat energy in a friction mode to melt the plastic, the whole welding time is mostly less than one second, and the operation can also be carried out manually, and the operation modes are automatic and manual operation, transfer mould convenient and fast, adopt automatic frequency modulation control technique of chasing after, the location is accurate, and the operation is thus simple, the loss of less plastic part, the cost is saved, the numerical control machine tool machining, high precision, the firm stability of board is good, to super-large-scale, irregular plastic part and design, cooperate a plurality of soldered connections, the accurate combination of multimode utensil, but one-time weld forming, the butt fusion time is short, high efficiency, the outward appearance can compare favourably with the finished product of moulding plastics, thereby the purpose that the operation precision is high has been reached, the ultrasonic welding machine has automatic and two kinds of operating modes of manual, the location is accurate, high precision, and the operation is thus simple, lead to the weld time short, can reduce the loss of plastic part, and therefore, the cost is reduced, and the efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an ultrasonic welding machine with high operation precision according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a machine body mechanism provided in an embodiment of the present invention;

fig. 3 is a schematic view of a first perspective structure of a support assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a second viewing angle of the supporting assembly according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a welding mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a sliding assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an ultrasonic wave generating assembly according to an embodiment of the present invention.

In the figure: 10-a body mechanism; 110-a support assembly; 111-a support block; 112-a door; 113-a handle; 114-a switch; 115-grooves; 116-a chamber; 120-lower die; 130-a support bar; 140-a scaffold; 150-industrial personal computer; 160-a support plate; 170-indicator light; 180-traveling wheels; 20-a welding mechanism; 210-a motor; 220-a threaded rod; 230-a sliding assembly; 231-a slider; 232-through holes; 233-a first threaded hole; 240-round bar; 250-a hydraulic cylinder; 260-an ultrasonic wave generating assembly; 261-ultrasonic generator; 262-a transducer; 263-horn; 264-a bonding tool; 265-plate; 266-horizontal screws; 267-a second threaded hole; 270-upper mold.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides an ultrasonic welding machine with high operation accuracy, which includes a machine body mechanism 10 and a welding mechanism 20.

The welding mechanism 20 is fixedly connected to the body mechanism 10, the body mechanism 10 is used for supporting the ultrasonic generator, and the welding mechanism 20 is used for automatically aligning the welding position to perform automatic positioning and welding.

Referring to fig. 1 and 2, the body mechanism 10 includes a support assembly 110, a lower mold 120, a support rod 130, a bracket 140 and an industrial personal computer 150, the lower mold 120 is connected to one side of the support assembly 110, the support rod 130 is installed to one side of the support assembly 110, the bracket 140 is connected to one side of the support rod 130, specifically, the bracket 140 is fixedly connected to one side of the support rod 130 by welding, the industrial personal computer 150 is installed to one end of the bracket 140, specifically, the industrial personal computer 150 is installed to one end of the bracket 140 by welding, the industrial personal computer 150 is used for automatically controlling the ultrasonic welding machine to work, and the lower mold 120 is used for placing a workpiece to be welded.

In some specific embodiments, the body mechanism 10 further includes a supporting plate 160, an indicator light 170 and a traveling wheel 180, the supporting plate 160 is connected to one end of the supporting rod 130, specifically, the supporting plate 160 is connected to one end of the supporting rod 130 by welding, the indicator light 170 is installed on one side of the supporting plate 160, specifically, the indicator light 170 is installed on one side of the supporting plate 160 by welding, the traveling wheel 180 is rotatably connected to one side of the supporting block 111, specifically, the traveling wheel 180 is rotatably connected to one side of the supporting block 111 by a bearing, the indicator light 170 is used for displaying the work of the ultrasonic welding machine, so that people can observe the working state of the ultrasonic welding machine, and the traveling wheel 180 facilitates the movement of the ultrasonic welding machine.

Referring to fig. 1, 2 and 5, the welding mechanism 20 includes a motor 210, a threaded rod 220, a sliding assembly 230, a round rod 240, a hydraulic cylinder 250, an ultrasonic generator 260 and an upper die 270, the motor 210 is connected to one side of the supporting rod 130, specifically, the motor 210 is fixedly connected to one side of the supporting rod 130 by screws, the threaded rod 220 is installed on an output shaft of the motor 210, specifically, the threaded rod 220 is fixedly installed on the output shaft of the motor 210 by welding, threads of the threaded rod 220 penetrate through the sliding assembly 230, two ends of the round rod 240 are connected to the inner side of the supporting rod 130, specifically, two ends of the round rod 240 are fixedly connected to the inner side of the supporting rod 130 by welding, the supporting rod 130 penetrates through the sliding assembly 230 in a sliding manner, the hydraulic cylinder 250 is installed on one side of the sliding assembly 230, the ultrasonic generator 260 is connected to the output shaft of the hydraulic cylinder 250, the upper die 270 is installed on one end of the ultrasonic generator 260, and the motor 210 is used for driving the threaded rod 220 to rotate, the threaded rod 220 drives the sliding assembly 230 to move left and right through the round rod 240, the sliding assembly 230 drives the upper die 270 to move left and right through the hydraulic cylinder 250 and the ultrasonic generating assembly 260, the upper die 270 is used for placing a workpiece with welding, the hydraulic cylinder 250 is used for driving the workpiece on the upper die 270 to move downwards through the ultrasonic generating assembly 260, the workpiece on the upper die 270 is made to contact with the workpiece on the lower die 120, and certain pressure is applied to the workpiece in the lower die 120.

Referring to fig. 2, 3 and 4, the supporting assembly 110 includes a supporting block 111, a door 112, a handle 113 and a switch 114, the lower die 120 and the supporting rod 130 are connected to one side of the supporting block 111, specifically, the lower die 120 and the supporting rod 130 are fixedly connected to one side of the supporting block 111 by welding, the door 112 is rotatably connected to one side of the supporting block 111, specifically, the door 112 is rotatably connected to one side of the supporting block 111 by a hinge, the handle 113 is installed to one side of the door 112, specifically, the handle 113 is fixedly installed to one side of the door 112 by welding, the switch 114 is connected to one side of the supporting block 111 by a screw, and the switch 114 controls the start and stop of the ultrasonic welding machine.

In some specific embodiments, a cavity 116 is formed in the inner surface of the supporting block 111, the two doors 112 are symmetrically arranged, the two doors 112 can seal the cavity 116, a groove 115 is formed in one side of the supporting block 111, the switch 114 is located in the groove 115, the cavity 116 is used for placing a tool, and the handle 113 is used for opening or closing the doors 112 to protect the tool in the cavity 116.

Referring to fig. 2, 3, 5, 6, and 7, the sliding assembly 230 includes a slider 231, a hydraulic cylinder 250 is connected to one side of the slider 231, specifically, the hydraulic cylinder 250 is fixedly connected to one side of the slider 231 through a screw, a first threaded hole 233 is formed in an inner surface of the slider 231, a threaded rod 220 is threaded through the first threaded hole 233, a through hole 232 is formed in an inner surface of the slider 231, a circular rod 240 is in clearance fit with the through hole 232, and the first threaded hole 233 and the circular rod 240 are used for enabling the slider 231 to move left and right along with the rotation of the threaded rod 220, so that the welding positions of two workpieces are aligned, and the welding precision is improved.

In some specific embodiments, the ultrasonic wave generating assembly 260 includes an ultrasonic wave generator 261, a transducer 262, a horn 263, a welding head 264, a support plate 265, and a horizontal screw 266, the ultrasonic wave generator 261 is mounted to the output shaft of the hydraulic cylinder 250, specifically, the ultrasonic wave generator 261 is fixedly mounted to the output shaft of the hydraulic cylinder 250 by screws, the transducer 262 is connected to the output shaft of the ultrasonic wave generator 261, specifically, the transducer 262 is fixedly connected to the output shaft of the ultrasonic wave generator 261 by screws, the horn 263 is mounted to the output shaft of the transducer 262, specifically, the horn 263 is fixedly mounted to the output shaft of the transducer 262 by welding, the welding head 264 is connected to one end of the horn 263, specifically, the welding head 264 is fixedly connected to one end of the horn 263 by welding, the upper mold 270 is mounted to one end of the welding head 264 by welding, the support plate 265 is connected to two sides of the ultrasonic generator 261, specifically, the support plate 265 is fixedly connected to two sides of the ultrasonic generator 261 by welding, the horizontal screw 266 penetrates through the support plate 265, the inner surface of the support plate 265 is provided with a second threaded hole 267, the horizontal screw 266 penetrates through the second threaded hole 267, the industrial personal computer 150, the indicator light 170, the motor 210, the hydraulic cylinder 250, the ultrasonic generator 261 and the transducer 262 are electrically connected, the ultrasonic generator 261 converts fifty or sixty hertz current into fifteen, twenty, thirty or forty KHz electric energy, the converted high-frequency electric energy is converted into mechanical motion with the same frequency again through the transducer 262, then the mechanical motion is transmitted to the welding head 264 through a set of amplitude changing rods 263, the welding head 264 transmits the received vibration energy to a joint of a workpiece to be welded, and in the area, the vibration energy is converted into heat energy in a friction mode, the plastic is melted, the whole welding time is mostly less than one second, the precision is high, the welding forming can be carried out at one time, the welding time is short, the efficiency is high, and the horizontal screw 266 is used for judging whether the welding head 264 is in a horizontal state.

The working principle of the ultrasonic welding machine with high operation precision is as follows: when the device is used, firstly, two workpieces to be welded are respectively arranged on the lower die 120 and the upper die 270, then, automatic and manual operation modes can be carried out according to needs, when in automatic operation, the industrial personal computer 150 can turn on the motor 210, the motor 210 can drive the threaded rod 220 to rotate, the threaded rod 220 can drive the sliding block 231 to move left and right through the first threaded hole 233 and the round rod 240, the sliding block 231 can drive the ultrasonic generator 261 to move left and right through the hydraulic cylinder 250, the ultrasonic generator 261 can drive the upper die 270 to move left and right through the transducer 262, the amplitude transformer 263 and the welding head 264, when the workpiece in the upper die 270 is positioned right above the position to be welded of the workpiece in the lower die 120, the industrial personal computer 150 automatically turns off the motor 210, then, the hydraulic cylinder 250 is controlled to extend downwards, the hydraulic cylinder 250 can drive the ultrasonic generator 261 to move downwards, the ultrasonic generator 261 can drive the upper die 270 to move downwards through the transducer 262, the amplitude transformer 263 and the welding head 264, when the workpiece in the upper die 270 contacts the workpiece in the lower die 120 and the workpiece in the upper die 270 exerts a certain pressure on the workpiece in the lower die 120, the industrial control computer 150 automatically controls the hydraulic cylinder 250 to stop extending downward, then the industrial control computer 150 automatically turns on the ultrasonic generator 261 and the transducer 262, the ultrasonic generator 261 converts a fifty or sixty hertz current into fifteen, twenty, thirty or forty KHz electric energy, the converted high frequency electric energy is converted again into mechanical motion of the same frequency by the transducer 262, then the mechanical motion is transmitted to the welding head 264 by a set of amplitude changing rods 263, the welding head 264 transmits the received vibration energy to the joint of the workpieces to be welded, in the region, the vibration energy is converted into heat energy by friction, the plastic is melted, the whole welding time is mostly less than one second, and can also be operated manually, automatic and two kinds of operating modes, transfer mould convenient and fast, adopt automatic frequency modulation control technique of chasing after, the location is accurate, and the operation is thus simple, the loss of less plastic part, the cost is saved, numerical control machine tool machining, high precision, firm stability of board is good, to super large-scale, irregular working of plastics and design, cooperate a plurality of soldered connections, the accurate combination of multi-mould, but one-time weld forming, the butt fusion time is short, high efficiency, the outward appearance can compare favourably with the finished product of moulding plastics, thereby the high purpose of operation precision has been reached, the ultrasonic welding machine has automatic and two kinds of operating modes of manual, the location is accurate, high precision, and the operation is thus simple, lead to welding time weak point, can reduce the loss of plastic part, and the cost is reduced, and the efficiency is high.

It should be noted that the specific model specifications of the switch 114, the industrial personal computer 150, the indicator light 170, the motor 210, the hydraulic cylinder 250, the ultrasonic generator 261, and the transducer 262 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The powering of the switch 114, the industrial personal computer 150, the indicator light 170, the motor 210, the hydraulic cylinder 250, the ultrasonic generator 261 and the transducer 262 and the principles thereof will be clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic welding machine with high operation precision is characterized by comprising

The machine body mechanism (10) comprises a supporting component (110), a lower die (120), a supporting rod (130), a bracket (140) and an industrial personal computer (150), wherein the lower die (120) is connected to one side of the supporting component (110), the supporting rod (130) is installed on one side of the supporting component (110), the bracket (140) is connected to one side of the supporting rod (130), and the industrial personal computer (150) is installed at one end of the bracket (140);

a welding mechanism (20), wherein the welding mechanism (20) comprises a motor (210), a threaded rod (220), a sliding component (230), a round rod (240), a hydraulic cylinder (250), an ultrasonic generating component (260) and an upper die (270), the motor (210) is connected to one side of the supporting rod (130), the threaded rod (220) is installed on an output shaft of the motor (210), the threaded rod (220) penetrates through the sliding component (230) in a threaded manner, two ends of the round rod (240) are connected to the inner side of the supporting rod (130), the supporting rod (130) penetrates through the sliding component (230) in a sliding manner, the hydraulic cylinder (250) is arranged on one side of the sliding component (230), the ultrasonic wave generating assembly (260) is connected to an output shaft of the hydraulic cylinder (250), the upper die (270) is mounted to one end of the ultrasonic wave generating assembly (260).

2. The ultrasonic welding machine of claim 1, wherein the sliding assembly (230) comprises a sliding block (231), the hydraulic cylinder (250) is connected to one side of the sliding block (231), a first threaded hole (233) is formed in the inner surface of the sliding block (231), and the threaded rod (220) is threaded through the first threaded hole (233).

3. The ultrasonic welding machine with high operation precision as claimed in claim 2, wherein the inner surface of the sliding block (231) is provided with a through hole (232), and the round rod (240) is in clearance fit with the through hole (232).

4. An ultrasonic welding machine with high operation accuracy as defined in claim 1, the ultrasonic wave generating assembly (260) comprises an ultrasonic wave generator (261), a transducer (262), a variable amplitude rod (263), a welding head (264), a support plate (265) and a horizontal screw (266), the ultrasonic generator (261) is mounted on the output shaft of the hydraulic cylinder (250), the transducer (262) is connected to the output shaft of the ultrasonic generator (261), the amplitude transformer (263) is arranged on an output shaft of the energy converter (262), the welding head (264) is connected with one end of the amplitude transformer (263), the upper die (270) is mounted at one end of the welding head (264), the support plate (265) is connected to two sides of the ultrasonic generator (261), and the horizontal screw (266) penetrates through the support plate (265) in a threaded mode.

5. The ultrasonic welding machine with high operation precision according to claim 4, wherein the inner surface of the support plate (265) is provided with a second threaded hole (267), and the horizontal screw (266) is threaded through the second threaded hole (267).

6. The ultrasonic welding machine of claim 4, wherein said supporting member (110) comprises a supporting block (111), a door (112), a handle (113) and a switch (114), said lower die (120) and said supporting rod (130) are connected to one side of said supporting block (111), said door (112) is rotatably connected to one side of said supporting block (111), said handle (113) is installed to one side of said door (112), and said switch (114) is connected to one side of said supporting block (111).

7. The ultrasonic welding machine with high operation precision as claimed in claim 6, wherein the supporting block (111) has a cavity (116) formed on the inner surface thereof, the doors (112) are arranged in two symmetrical distribution, and the two doors (112) can seal the cavity (116).

8. An ultrasonic welding machine with high operation accuracy as claimed in claim 6, wherein a groove (115) is formed on one side of said supporting block (111), and said switch (114) is located in said groove (115).

9. The ultrasonic welding machine with high operation precision of claim 6, wherein said body mechanism (10) further comprises a support plate (160), an indicator light (170) and a walking wheel (180), said support plate (160) is connected to one end of said support rod (130), said indicator light (170) is installed on one side of said support plate (160), said walking wheel (180) is rotatably connected to one side of said support block (111).

10. The ultrasonic welding machine of claim 9, wherein said industrial personal computer (150), said indicator light (170), said motor (210), said hydraulic cylinder (250), said ultrasonic generator (261), and said transducer (262) are electrically connected.