CN217551420U - Ultrasonic metal welding machine welding head quick change device - Google Patents

Abstract

The utility model relates to an ultrasonic metal welding field discloses an ultrasonic metal welding machine bonding tool quick change device, including the movable establishment that is used for the fixed establishment of fixed connection frame and is used for fixed ultrasonic wave trigeminy piece, movable establishment can dismantle the setting in fixed establishment, movable establishment includes the mounting panel and is used for the coupling assembling of fixed ultrasonic wave trigeminy piece, coupling assembling sets up on the mounting panel, fixed establishment is including the fixed block that is used for the fixed connection frame, it is open mounting groove to be provided with at least one end on the fixed block, the mounting panel slides and sets up in the mounting groove, and be provided with the butt piece that is used for fixed mounting panel in the fixed block. This application has and to play the supporting role to the mounting panel at the in-process mounting groove that bonding tool dismouting was changed through mounting panel and mounting groove for single staff can carry out the dismouting change to the bonding tool, and is difficult for appearing the safe risk that ultrasonic wave trigeminy piece falls, reaches the effect that improves the dismouting bonding tool and waste time and energy difficult operation.

Description

An ultrasonic metal welding machine welding head quick change device

technical field

The present application relates to the field of ultrasonic metal welding, and in particular, to a quick-change device for a welding head of an ultrasonic metal welding machine.

Background technique

The ultrasonic metal welding machine is usually composed of a frame, an ultrasonic generator and an ultrasonic triplet. The ultrasonic triplet includes a transducer, an amplitude modulator and a welding head. When welding metals, the frame drives the welding head to move to the workpiece to be welded. The ultrasonic triplet converts the electric energy oscillating at a certain frequency emitted by the ultrasonic generator into mechanical energy of the same frequency and outputs it from the welding head. fusion between the workpieces, thereby welding the workpiece. Compared with the traditional welding process, ultrasonic welding has the characteristics of fast welding speed, high welding strength, good sealing, low cost, clean and pollution-free, etc., so it is widely used.

At present, when the existing ultrasonic metal welding machine replaces the welding head, due to the structural characteristics of the ultrasonic triplet, the overall length is long, the weight is large, the connection and positioning with the frame, and the operation space after the supporting automated production line is limited. Generally, it needs to be fixed with the welding head clamping device in advance, and then the welding head clamping device is fixed on the frame through a plurality of bolts to realize the replacement of the welding head.

In view of the above-mentioned related technologies, due to the large weight of the ultrasonic triplet and the welding head clamping device, when disassembling and assembling the welding head, two workers are required to cooperate together, one supports the ultrasonic triplet, and the other disassembles and assembles. , In the process of disassembly and assembly, it is necessary to have a bearing capacity to support the ultrasonic triplet. When a single worker disassembles, it is not easy to support the ultrasonic triplet, so there will be a safety risk of the ultrasonic triplet and the welding head clamping device falling. The inventor believes that there is a defect that it is time-consuming, laborious and difficult for the staff to disassemble and assemble the welding head.

Utility model content

In order to improve the problem that it is time-consuming, laborious and difficult to operate for the staff to disassemble and assemble the welding head, the present application provides a quick-change device for the welding head of an ultrasonic metal welding machine.

A quick-change device for an ultrasonic metal welding machine welding head provided by the application adopts the following technical solutions:

An ultrasonic metal welding machine welding head quick change device, comprising a fixing mechanism for fixing a connection frame and a movable mechanism for fixing an ultrasonic triplet, the movable mechanism is detachably arranged in the fixing mechanism, and the movable mechanism includes An installation plate and a connection assembly for fixing the ultrasonic triplet, the connection assembly is arranged on the installation plate, the fixing mechanism includes a fixing block for fixing the connection frame, and at least one end of the fixing block is open. The mounting slot is slidably arranged in the mounting slot, and an abutment block for fixing the mounting plate is arranged in the fixing block.

By adopting the above technical solution, when installing the welding head, first install the ultrasonic triplet on the connecting component, and then slide the installation plate into the fixing block from the opening of the installation groove. At this time, the installation groove in the fixing block Support the mounting plate, and then use the abutment block to fix the mounting plate to complete the installation of the welding head; when disassembling the welding head, first adjust the fixed state of the contact between the contact block and the mounting plate, and then fix the welding head The installation groove in the block supports the installation plate, and the ultrasonic triplet is not prone to the safety risk of falling. Then the installation plate is slid out of the installation groove to complete the disassembly of the welding head. In this way, by using the installation groove to support the installation plate, a single worker can disassemble and replace the welding head, and the safety risk of falling of the ultrasonic triplet is not easy to occur, and the welding head clamping device is divided into a fixed mechanism and a movable There are two parts of the mechanism. When disassembling and assembling, only the movable mechanism needs to be disassembled and assembled, which reduces the overall weight of the part to be replaced, so that the replacement of the welding head saves time and labor and makes the operation more convenient and quick.

Preferably, limit guide bars are provided on both side walls of the mounting plate along its own sliding direction, a first limit guide groove communicated with the installation groove is formed in the fixing block, and the abutment block is close to the installation One end of the plate is provided with a chamfer and forms a second limit guide slot with the bottom of the installation slot. in the slot.

By adopting the above technical solution, when installing the mounting plate, the mounting plate is slidably installed in the mounting groove, and the limit guide bars on both sides of the mounting plate are located in the first limit guide groove and the second limit guide groove respectively. Inside, the limit guide bar cooperates with the first limit guide groove and the second limit guide groove to realize the support of the installation groove to the installation board on the one hand, and the guiding function of the installation board on the other hand, which is convenient for the installation board to slide. Install.

Preferably, one end of the abutting block away from the mounting plate is provided with an adjusting piece for adjusting its position, and the adjusting piece is provided with a fastener for fixing itself.

By adopting the above technical solution, the adjusting member is used to adjust the abutting block, so that the abutting block slides in the fixed block, and the sliding of the abutting block makes the chamfering of the abutting block abut against the limiting bar of the mounting plate, Thereby, the mounting plate is fixed, and after adjusting the abutting block, the adjusting member is fixed with a fastener, so that the fixing of the abutting block to the mounting plate is more reliable.

Preferably, a guide groove is formed in the fixing block, a guide block is provided on the abutment block, and the guide block is fitted and slidably arranged in the guide groove along the adjustment direction of the abutment block.

By adopting the above technical solution, during the process of the abutting block sliding and fixing the mounting plate, the guide block on the abutting block slides in the guide groove of the fixing block, so as to guide and limit the sliding direction of the abutting block, so that the abutting block can be abutted. Block sliding is more stable.

Preferably, a positioning block is detachably provided on the fixing block, and the positioning block is pressed against the mounting plate along an adjustment direction perpendicular to the abutment block.

By adopting the above technical solution, after the installation plate is installed, a positioning block is installed on the fixing block, and the positioning block is pressed against the installation plate and cooperates with the frame to limit the sliding direction of the installation plate, thereby further fixing the installation plate. Similarly, when removing the mounting plate, the positioning block needs to be removed first.

Preferably, the connection assembly includes a clamping claw for fixing the welding head and a clamping part for fixing the amplitude modulator, and the clamping part is arranged on the mounting plate in an adjustable manner along the axis direction of the ultrasonic triplet.

By adopting the above technical solution, when installing the welding head, it is necessary to pre-install the ultrasonic triplet on the connecting assembly, use the clamping jaws to clamp and fix the welding head, and use the clamping parts to clamp and fix the amplitude modulator. The ultrasonic triplet is fixed, and the clamping part can be adjusted so that the connecting assembly can be applied to the ultrasonic triplet of different sizes.

Preferably, the clamping part includes a connecting rod and a hoop, the connecting rod is slidably arranged on the mounting plate along the axis direction of the ultrasonic triplet, and the hoop is disposed at one end of the connecting rod away from the mounting plate and is used to fix the amplitude modulator , the mounting plate is provided with a fixing piece for fixing the connecting rod.

By adopting the above technical solution, when the clamping part is adjusted, the connecting rod is slid, and the connecting rod drives the hoop to slide. When the hoop slides to the amplitude modulator, the connecting rod is fixed by the fixing piece. The amplitude modulator is clamped and fixed, and the connecting rod is slid for adjustment, which makes the adjustment of the clamping part more convenient and quicker.

Preferably, a limit chute is provided in the mounting plate along the sliding direction of the connecting rod, and the connecting rod is slidably arranged in the limit chute.

By adopting the above technical solution, the connecting rod slides in the limit chute of the mounting plate, and the limit sliding acts as a limit on the connecting rod, so that the sliding of the connecting rod is more stable.

Preferably, the mounting plate is provided with a positioning card plate that facilitates positioning when the welding head is installed.

By adopting the above technical solution, when installing the welding head, the positioning card plate is installed on the mounting plate, and the welding head is positioned by using the positioning card plate, so that the positioning of the welding head during installation is more convenient and accurate.

Preferably, a limit slot is defined on the side wall of the mounting plate close to the positioning card, and a limit block is provided on the side wall of the positioning card close to the mounting plate, and the limit block is adapted to be set in the limit in the slot.

By adopting the above technical solution, when installing the positioning card, the limit block of the positioning card is installed in the limit groove of the installation plate, so as to limit the positioning card, so that the positioning card is more stable, and at the same time, the positioning card is more stable. The welding head is installed in the limit groove, so that the welding head can be quickly positioned so that the welding head is perpendicular to the mounting plate, thereby improving the stability of the welding head during the welding process.

To sum up, the present application includes at least one of the following beneficial technical effects:

By using the installation plate and the installation groove, the installation groove supports the installation plate during the disassembly and replacement of the welding head, so that a single worker can disassemble and replace the welding head, and the safety risk of falling of the ultrasonic triplet is not easy to occur. , so that the replacement of the welding head saves time and effort and the operation is more convenient and quick;

By using guide blocks and guide grooves to guide and limit the sliding direction of the abutting blocks, the sliding of the abutting blocks is more stable;

By using a positioning card, the positioning card quickly positions the welding head, so that the welding head is perpendicular to the mounting plate, which is beneficial to improve the stability of the metal welding machine during welding.

Description of drawings

Fig. 1 is the structural representation of the connection relationship between the welding head quick-change device, the frame and the ultrasonic triplet in the first embodiment of the present application;

2 is a schematic diagram of the overall structure of Embodiment 1 of the present application;

Fig. 3 is the partial structural schematic diagram of the embodiment 1 of the present application showing the fixing mechanism in a prominent manner;

Fig. 4 is the partial structural schematic diagram of the embodiment 1 of the present application showing the guide groove and the guide block in a prominent manner;

5 is a schematic exploded schematic diagram of a part of the structure of a prominent display movable mechanism in Embodiment 1 of the present application;

FIG. 6 is a schematic exploded schematic diagram of a part of the structure of the embodiment 1 of the present application for prominently displaying the positioning card;

FIG. 7 is a schematic diagram of the overall structure of Embodiment 2 of the present application.

Description of reference numerals: 1, fixing mechanism; 11, fixing block; 2, movable mechanism; 21, mounting plate; 22, connecting assembly; 221, clamping jaw; 222, clamping part; 2221, connecting rod; ;3, installation groove; 4, abutment block; 5, limit guide; 6, first limit guide; 7, chamfer; 8, second limit guide; 9, adjustment piece; 10, tight Firmware; 12, guide groove; 13, guide block; 14, positioning block; 15, positioning card; 16, limit groove; 17, limit block; 18, fixing part; 19, limit chute; 23 , frame; 24, transducer; 25, amplitude modulator; 26, welding head; 27, card slot; 28, first mounting hole; 29, second mounting hole; 30, connecting block; 31, connecting plate; 32 , Gripper chute.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-7.

The embodiment of the present application discloses a quick-change device for a welding head of an ultrasonic metal welding machine.

Example 1:

Referring to FIG. 1, an ultrasonic metal welding machine welding head quick change device includes a fixing mechanism 1 and a movable mechanism 2. The fixing mechanism 1 is fixedly installed on the side wall of the frame 23 through the connecting plate 31, and the fixing mechanism 1 and the connecting plate 31 are fixed and installed on the side wall of the frame 23. It is integrally formed, and the movable mechanism 2 is used to fix the ultrasonic triplet. The ultrasonic triplet includes the transducer 24, the amplitude modulator 25 and the welding head 26. The movable mechanism 2 can be detachably installed in the fixing mechanism 1. When the welding head 26 is replaced , the movable mechanism 2 can be removed from the fixed mechanism 1 to remove the welding head 26. When installing the welding head 26, the movable mechanism 2 can be installed in the fixed mechanism 1, and the welding head clamping device can be split into a fixed mechanism 1 and the movable mechanism 2, only the movable mechanism 2 needs to be disassembled and assembled during disassembly and assembly, which reduces the overall weight of the part to be replaced, and makes the replacement of the welding head 26 more labor-saving.

2, the fixing mechanism 1 includes a fixing block 11, the fixing block 11 is fixedly installed on the side wall of the frame 23, and the fixing block 11 is provided with an installation groove 3 with open ends along the vertical direction of the frame 23, and the installation groove is 3. The opening on the side close to the frame 23 is in contact with the frame 23. The movable mechanism 2 includes a mounting plate 21 and a connecting assembly 22. The mounting plate 21 is slidably installed in the mounting groove 3 along the direction of the vertical frame 23. one end. An abutment block 4 is slidably installed in the fixing block 11 along the sliding direction of the vertical mounting plate 21 , and the abutment block 4 is in contact with the mounting plate 21 , and a C type is detachably installed on the side wall of the fixing block 11 away from the frame 23 through bolts. As for the positioning block 14 , one end surface of the positioning block 14 is in contact with the fixing block 11 , and the other end surface is in contact with the mounting plate 21 . The movable mechanism 2 can be installed in the fixing mechanism 1 by sliding the mounting plate 21 into the mounting groove 3 of the fixed block 11. After the mounting plate 21 is installed, use the abutment block 4 to cooperate with the mounting groove 3 to align the sliding direction of the vertical mounting plate 21. For fixing, use the positioning block 14 to cooperate with the frame 23 to fix the sliding direction of the mounting plate 21 .

3 and 4, the fixing block 11 is internally threaded with an adjusting member 9, the adjusting member 9 passes through the fixing block 11 and is threadedly installed in the abutting block 4, and the adjusting member 9 is threadedly sleeved with a fastener 10, and is tightened The fastener 10 abuts on the outer side wall of the fixing block 11 . In this application, the adjusting member 9 can be selected as a differential screw, and the fastener 10 can be selected as a nut. Two guide grooves 12 are formed in the fixed block 11 along the sliding direction of the abutment block 4. Two guide blocks 13 are fixedly installed on the side wall of the abutment block 4 close to the guide groove 12 by bolts, and the guide blocks 13 are along the abutment block. 4. The sliding direction is adapted to be slidably installed in the guide groove 12. When using the abutment block 4 to fix the mounting plate 21 , the abutment block 4 is driven to move by rotating the adjusting member 9 , and the abutment block 4 moves more stably through the cooperation of the guide block 13 and the guide groove 12 , and the abutment block 4 abuts tightly. After installing the plate 21 , the fastener 10 is rotated to fix the adjusting member 9 , so that the abutting block 4 is fixed more stably.

Referring to FIGS. 3 and 5 , the limit guide bars 5 are fixedly installed on both side walls of the mounting plate 21 near one end of the fixing block 11 , and the limit guide bars 5 are arranged along the sliding direction of the mounting plate 21 . The cross section of the limit guide bars 5 It is triangular and the width of the cross-section gradually increases from bottom to top. A first limit guide groove 6 communicated with the installation groove 3 is formed in the fixed block 11 at one end away from the abutment block 4 , and a chamfer 7 is formed on the abutment block 4 , and the chamfer 7 is formed in cooperation with the bottom wall of the installation groove 3 . There is a second limit guide groove 8, the cross section of the first limit guide groove 6 and the second limit guide groove 8 is the same as the cross section of the limit guide bar 5, and the adjustment range of the abutting block 4 is smaller than that of the limit guide bar 5 maximum cross-sectional width. The two limit guide bars 5 are fitted and slidably installed in the first limit guide groove 6 and the second limit guide groove 8 along the sliding direction of the mounting plate 21 . When it is necessary to disassemble the welding head 26, first disassemble and remove the positioning block 14, and then rotate the adjusting member 9 to make the abutting member and the mounting plate 21 in contact with the fixed state, at this time, the mounting plate 21 is clamped in the mounting groove 3 through the limit guide bar 5 In the first limit guide groove 6 and the second limit guide groove 8, the installation groove 3 plays a supporting role on the installation plate 21, so that the safety risk of the fall of the ultrasonic triplet is not easy for the staff during the process of disassembling the welding head 26. Therefore, a single worker can disassemble the welding head 26 independently, and the steps of installing the welding head 26 are opposite to the above steps, and a single working person can also perform the installation alone, which saves time and effort in replacing the welding head 26 and makes the operation more convenient and quick.

5, the connecting assembly 22 includes a clamping part 222 and two clamping jaws 221. The clamping jaws 221 are used to clamp the fixed welding head 26; the clamping part 222 is used to clamp the fixed amplitude modulator 25; There are four clamping jaw sliding grooves 32 in the axial direction of the triple piece. The two clamping jaws 221 are slidably and fixedly installed on the side wall of the mounting plate 21 away from the fixing block 11 by means of bolts, and the bolts are located in the clamping jaw sliding grooves 32. The claws 221 are provided with threaded holes. When the clamping jaws 221 clamp the welding head 26 , bolts are used to pass through the threaded holes and fix the welding head 26 .

The clamping part 222 can be adjusted and installed on the side wall of the installation plate 21 along the axis of the ultrasonic triplet. The clamping part 222 includes a connecting rod 2221 and a hoop 2222. The installation plate 21 is provided with a limit chute 19. The ultrasonic triplet is slidably installed in the limit chute 19 of the mounting plate 21 in the axial direction. The hoop 2222 is fixedly installed on the end of the connecting rod 2221 away from the mounting plate 21 by bolts, and the hoop 2222 is perpendicular to the connecting rod 2221 and is used to fix the amplitude modulation. device 25. By sliding the connecting rod 2221 in the limit chute 19, the hoop 2222 is driven to move, so that the movable mechanism 2 is suitable for ultrasonic triples of different sizes.

The connecting rod 2221 is provided with a plurality of second mounting holes 29 at equal intervals along its own sliding direction. The mounting plate 21 is provided with three first mounting holes 28 connected with the limit chute 19 at equal intervals. The mounting plate 21 is located in the first mounting plate 21 The fixing member 18 is threadedly installed in the hole 28. The fixing member 18 drives the first installation hole 28 and is threadedly fixed in the second installation hole 29. The fixing member 18 is provided with two first installation members located at both ends of the connecting rod 2221 in the sliding direction. inside hole 28. In this application, the fixing member 18 can be selected as a bolt. After the connecting rod 2221 is slidably adjusted, the connecting rod 2221 is fixed by the fixing member 18 , and the two fixing members 18 are arranged at both ends of the connecting rod 2221 in the sliding direction to improve the fixing effect of the fixing member 18 .

Referring to FIG. 6 , the mounting plate 21 is located on the side wall away from the fixing block 11 and is located between the two clamping jaws 221 and is detachably installed with the positioning clip 15 through bolts. The width of the positioning clip 15 is half the width of the mounting plate 21 First, a slot 27 is defined in the middle of the side wall of the positioning board 15 near the center of the width direction of the mounting board 21 . A limit slot 16 is defined on the side wall of the mounting plate 21 close to the positioning board 15 along its own width direction, and a limit bar block 17 is fixedly installed on the side wall of the positioning board 15 close to the mounting board 21 along its own width direction, and the limit bar The block 17 is fitted and slidably installed in the limiting groove 16 . When installing the welding head 26, first fix the positioning clip 15 on the mounting plate 21 with bolts, and then install the welding head 26 in the slot 27, so as to quickly position the welding head 26 so that the welding head 26 is perpendicular to the mounting plate 21. Then use the clamping jaws 221 to clamp the welding head 26. After clamping, slide the clamping jaws 221 towards the positioning card 15. When the clamping jaws 221 abut on the side wall of the positioning card 15, turn the bolts to the clamping jaws 221. The welding head 26 in the clamping jaw 221 is fixed with bolts at the same time. After the welding head 26 is installed, the positioning clip 15 is removed and removed. Using the positioning clip 15 to position the welding head 26 makes the positioning of the welding head 26 more convenient and accurate during installation. At the same time, using the positioning clip 15 enables operators with different work experience to accurately install the welding head 26, thereby reducing the cost of installation. Installation difficulty of the welding head 26 .

The implementation principle of Embodiment 1 is: when installing the welding head 26, first install the welding head 26 in the clamping jaw 221, and then install the amplitude modulator 25 in the hoop 2222, complete the pre-installation of the ultrasonic triplet, and then position the The clamping plate 15 is installed on the mounting plate 21 to fix the welding head 26 again, and the mounting plate 21 is slidably installed in the mounting groove 3 of the positioning block 14, so that the limit guide bar 5 slides into the first limit guide groove 6 and the first limit guide groove 6. In the second limit guide groove 8, the adjusting member 9 is rotated to drive the abutment block 4 to move, thereby fixing the mounting plate 21, and then the fastener 10 is rotated to fix the adjusting member 9, and finally the positioning block 14 is installed on the The installation of the welding head 26 can be completed by fixing it quickly. Similarly, the welding head 26 can be disassembled and removed by the reverse operation of the above steps. When the welding head 26 is disassembled and assembled, the installation groove 3 supports the installation plate 21 through the first limit guide groove 6 and the second limit guide groove 8 in cooperation with the limit guide bar 5, and a single worker can butt weld The head 26 can be disassembled and replaced, and the safety risk of falling of the ultrasonic triplet is less likely to occur, so that the replacement of the welding head 26 saves time and effort, and the operation is more convenient and quick.

Example 2:

7 , the difference between this embodiment and Embodiment 1 is that the connection assembly 22 includes a connection block 30 , one end of the connection block 30 is fixedly connected to the mounting plate 21 , and the other end is fixedly connected to the welding head 26 . When installing the welding head 26, the welding head 26 can be installed by directly sliding the mounting plate 21 into the installation groove 3, so that the movable mechanism 2 can be applied to the welding heads 26 of different structural types, thereby improving the welding performance of the ultrasonic metal welding machine. Head quick changer compatibility.

The implementation principle of the second embodiment is as follows: when the welding head 26 is installed, the installation plate 21 is slidably installed in the installation groove 3 of the positioning block 14, so that the limit guide bar 5 slides into the first limit guide groove 6 and the second limit guide. In the guide groove 8, the adjusting member 9 is rotated to drive the abutment block 4 to move, thereby fixing the mounting plate 21, and then the fastener 10 is rotated to fix the adjusting member 9, and finally the positioning block 14 is installed on the fixing block by bolts. The installation of the welding head 26 can be completed. Similarly, the welding head 26 can be disassembled and removed by the reverse operation according to the above steps. When installing the welding head 26, the welding head 26 can be installed by directly sliding the mounting plate 21 into the installation groove 3, so that the movable mechanism 2 can be applied to the welding heads 26 of different structural types, thereby improving the welding performance of the ultrasonic metal welding machine. Head quick changer compatibility.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides an ultrasonic wave metal welding machine bonding tool quick change device which characterized in that: including fixed establishment (1) that is used for the fixed connection frame and movable establishment (2) that are used for fixed ultrasonic wave trigeminy piece, movable establishment (2) can be dismantled and set up in fixed establishment (1), movable establishment (2) include mounting panel (21) and coupling assembling (22) that are used for fixed ultrasonic wave trigeminy piece, coupling assembling (22) set up on mounting panel (21), fixed establishment (1) is including fixed block (11) that are used for the fixed connection frame, it is open mounting groove (3) to be provided with at least one end on fixed block (11), mounting panel (21) slide to set up in mounting groove (3), just be provided with butt joint piece (4) that are used for fixed mounting panel (21) in fixed block (11).

2. The device for rapidly changing the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: mounting panel (21) all are provided with spacing conducting bar (5) on the both sides wall of self slip direction, set up first spacing guide slot (6) that are linked together with mounting groove (3) in fixed block (11), butt joint piece (4) are close to the one end of mounting panel (21) and have seted up chamfer (7) and form spacing guide slot of second (8), two with the bottom of mounting groove (3) spacing conducting bar (5) slide respectively along mounting panel (21) slip direction and set up in first spacing guide slot (6) and spacing guide slot of second (8).

3. The device for rapidly changing the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: one end, far away from the mounting plate (21), of the abutting block (4) is provided with an adjusting piece (9) used for adjusting the position of the abutting block, and a fastening piece (10) used for fixing the abutting block is arranged on the adjusting piece (9).

4. The quick change device for the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: a guide groove (12) is formed in the fixing block (11), a guide block (13) is arranged on the abutting block (4), and the guide block (13) is arranged in the guide groove (12) in a sliding mode along the adjusting direction of the abutting block (4) in a matched mode.

5. The device for rapidly changing the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: the fixing block (11) is detachably provided with a positioning block (14), and the positioning block (14) abuts against the mounting plate (21) along the adjusting direction perpendicular to the abutting block (4).

6. The quick change device for the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: the connecting assembly (22) comprises a clamping jaw (221) used for fixing the welding head and a clamping component (222) used for fixing the amplitude modulator, and the clamping component (222) is arranged on the mounting plate (21) in an adjustable mode along the axial direction of the ultrasonic triplet.

7. The quick change device for the welding head of the ultrasonic metal welding machine according to claim 6, characterized in that: the clamping component (222) comprises a connecting rod (2221) and a hoop (2222), the connecting rod (2221) is arranged on the mounting plate (21) in a sliding mode along the axial direction of the ultrasonic triplet, the hoop (2222) is arranged at one end, far away from the mounting plate (21), of the connecting rod (2221) and used for fixing the amplitude modulator, and a fixing piece (18) used for fixing the connecting rod (2221) is arranged on the mounting plate (21).

8. The quick change device for the welding head of the ultrasonic metal welding machine according to claim 7, characterized in that: spacing spout (19) have been seted up along connecting rod (2221) slip direction in mounting panel (21), just connecting rod (2221) looks adaptation slides and sets up in spacing spout (19).

9. The device for rapidly changing the welding head of the ultrasonic metal welding machine according to claim 1, characterized in that: and a positioning clamping plate (15) which is convenient for positioning when the welding head is installed is arranged on the installation plate (21).

10. The quick change device for the welding head of the ultrasonic metal welding machine according to claim 9, characterized in that: limiting grooves (16) are formed in the side wall, close to the positioning clamping plate (15), of the mounting plate (21), limiting blocks (17) are arranged on the side wall, close to the mounting plate (21), of the positioning clamping plate (15), and the limiting blocks (17) are arranged in the limiting grooves (16) in a matched mode.

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