Bonding mechanism

Abstract

The utility model provides a bonding mechanism. The bonding mechanism comprises a mounting bracket, a lead clamping assembly, a chopper assembly and a cutter assembly, the lead clamping assembly comprises a wire clamp mounting seat, a clamping plate driving part, a wire clamp and a clamping plate, the wire clamp mounting seat and the clamping plate driving part are mounted on the mounting bracket, the wire clamp is detachably mounted on the wire clamp mounting seat, the clamping plate is detachably mounted at the driving end of the clamping plate driving part, and the clamping plate is detachably mounted on the clamping plate mounting seat. The clamping plate driving piece is used for driving the clamping plate to move towards or away from the wire clamp to clamp or release the wire; the chopper assembly is mounted on the mounting bracket, and is used for pressing the wire supplied by the lead clamping assembly downwards and bonding the wire on the substrate; the cutter assembly comprises a cutter mounting seat and a cutter, the cutter mounting seat is detachably mounted on the mounting bracket, the cutter is mounted on the cutter mounting seat, and the cutter is used for cutting off the bonded wires. According to the application, only the wire clamp, the clamping plate and the cutter assembly can be replaced according to the specific specification of the wire, so that the equipment cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of semiconductor production equipment, and more particularly to a bonding mechanism. Background Art

[0002] In view of the bonding requirements for wire materials of different specifications, the bonding mechanism needs to be configured with a suitable wire clamp assembly (composed of a wire clamp and a clamping plate) and a cutter assembly. The traditional bonding mechanism is an integrated design, and its wire clamp assembly and cutter assembly cannot be replaced separately. Therefore, it can only bond a specific one or several specifications of wire materials.

[0003] When it is necessary to bond other specifications of wire materials, the entire bonding mechanism needs to be replaced. Replacing the entire bonding mechanism increases the equipment cost. In addition, replacing the entire bonding mechanism is time-consuming and laborious, reducing the production efficiency. Summary of the Utility Model

[0004] In order to solve the above technical problems, the present application provides a bonding mechanism, which adopts the following technical solutions:

[0005] A bonding mechanism includes a mounting bracket, a lead clamping assembly, a bonding tool assembly, and a cutter assembly, wherein:

[0006] The lead clamping assembly includes a wire clamp mounting seat, a clamping plate driving member, a wire clamp, and a clamping plate. The wire clamp mounting seat and the clamping plate driving member are fixedly installed on the mounting bracket. The wire clamp is detachably installed on the wire clamp mounting seat, and the clamping plate is detachably installed on the driving end of the clamping plate driving member. The clamping plate driving member is used to drive the clamping plate to move towards or away from the wire clamp to clamp or release the wire material passing between the wire clamp and the clamping plate;

[0007] The bonding tool assembly is installed on the mounting bracket, and the bonding tool assembly is used to press down the wire material supplied by the lead clamping assembly and bond the wire material to the substrate;

[0008] The cutter assembly includes a cutter mounting seat and a cutter. The cutter mounting seat is detachably installed on the mounting bracket, and the cutter is installed on the cutter mounting seat. The cutter is used to cut off the wire material that has completed bonding.

[0009] For the bonding mechanism provided by the present application, the wire clamp and the clamping plate are detachably installed on the wire clamp mounting seat and the clamping plate driving member, and the cutter assembly is detachably installed on the mounting bracket. During use, according to the specific specifications of the wire material to be bonded, only the wire clamp, the clamping plate, and the cutter assembly can be replaced, thereby reducing the equipment cost and improving the production efficiency.

[0010] In some embodiments, the wire clamp mounting seat includes a seat body and an adjusting block, wherein: the seat body is fixedly mounted on the mounting bracket, a first connecting waist hole extending in the horizontal direction is provided on the seat body, a first screw hole corresponding to the first connecting waist hole is provided on the adjusting block, and the adjusting block is screwed onto the seat body in a horizontally position-adjustable manner through a first fixing screw passing through the first connecting waist hole and the first screw hole; the wire clamp is detachably mounted on the adjusting block.

[0011] Since the adjusting block is mounted on the seat body in a translatable and adjustable manner, and the wire clamp is detachably mounted on the adjusting block, after the wire clamp is mounted on the adjusting block, the position of the wire clamp in the horizontal direction can be adjusted by adjusting the mounting position of the adjusting block.

[0012] In some embodiments, a first mounting groove is provided in the middle of the seat body, the adjusting block is located in the first mounting groove, and the width of the first mounting groove is greater than the width of the adjusting block; first pushing holes communicating with the first mounting groove are provided on both sides of the seat body, and first pushing screws are provided in the first pushing holes, and the first pushing screws are used to push the adjusting block in the horizontal direction to slide the adjusting block in the horizontal direction.

[0013] By arranging the adjusting block in the first mounting groove in the middle of the seat body and respectively arranging first pushing screws on the seat body on both sides of the first mounting groove, precise adjustment of the position of the adjusting block in the horizontal direction is achieved.

[0014] In some embodiments, a second screw hole is provided on the adjusting block, a second connecting waist hole extending in the vertical direction corresponding to the second screw hole is provided on the wire clamp, and the wire clamp is screwed onto the adjusting block in a height-adjustable manner through a second fixing screw passing through the second connecting waist hole and the second screw hole.

[0015] Through the cooperation of the second connecting waist hole and the second screw hole, flexible adjustment of the position of the wire clamp in the vertical direction is achieved.

[0016] In some embodiments, a third screw hole is provided on the driving end of the clamping plate driving member, a fourth screw hole corresponding to the third screw hole is provided on the clamping plate, and the clamping plate is screwed onto the driving end of the clamping plate driving member through a third fixing screw passing through the fourth screw hole and the third screw hole.

[0017] The clamping plate is screwed onto the driving end of the clamping plate driving member, ensuring the connection strength between the clamping plate and the driving end of the clamping plate driving member, and facilitating the disassembly and replacement of the clamping plate.

[0018] In some embodiments, a clamping groove is provided on the surface of the wire clamp facing the clamping plate. When the clamping plate driving member drives the clamping plate to move towards the wire clamp, the clamping plate presses the wire tightly in the clamping groove.

[0019] By providing a clamping groove on the surface of the wire clamp facing the clamping plate, the limitation of the wire and the clamping plate is achieved, ensuring that the clamping plate presses the wire firmly and stably on the wire clamp.

[0020] In some embodiments, a fifth screw hole is provided at both ends of the cutter mounting seat, and a sixth screw hole corresponding to the fifth screw hole is provided on the mounting bracket. The two ends of the cutter mounting seat are screwed to the mounting bracket via fourth fixing screws passing through the sixth screw hole and the fifth screw hole respectively.

[0021] The cutter mounting seat is screwed on the mounting bracket, which ensures the connection strength between the cutter mounting seat and the mounting bracket and facilitates the removal and replacement of the cutter mounting seat.

[0022] In some embodiments, a third connecting waist hole is provided on the cutter mounting seat, and a seventh screw hole corresponding to the third connecting waist hole is provided on the upper end of the cutter. The upper end of the cutter is screwed to the cutter mounting seat in an adjustable manner via a fifth fixing screw passing through the third connecting waist hole and the seventh screw hole.

[0023] Through the cooperation among the fifth fixing screw, the third connecting waist hole and the seventh screw hole, the position of the cutter is finely adjusted.

[0024] In some embodiments, a second mounting groove is provided on the cutter mounting seat, the upper end of the cutter is located in the second mounting groove, and the width of the second mounting groove is greater than the width of the upper end of the cutter; a second push hole communicating with the second mounting groove is provided on the top of the cutter mounting seat, and third push holes communicating with the second mounting groove are provided on both sides of the cutter mounting seat; a second push screw is provided in the second push hole, and the second push screw is used to push the cutter in the vertical direction to push the cutter to slide in the vertical direction; a third push screw is provided in the third push hole, and the third push screw is used to push the cutter in the horizontal direction to push the cutter to slide in the horizontal direction.

[0025] The position adjustment of the cutter in the horizontal direction and the vertical direction is achieved through the cooperation among the second push screw, the third push screw, the second push hole and the third push hole.

[0026] In some embodiments, the splitting knife assembly includes a splitting knife driver, a transducer and a splitting knife, wherein: the splitting knife driver is arranged on a mounting bracket, the transducer is transmission-connected to the driving end of the splitting knife driver, the upper end of the splitting knife is connected to the transducer, the splitting knife driver is used to drive the splitting knife to descend so that the splitting knife presses the wire clamped by the clamp and the wire clamp, and the transducer transmits ultrasonic waves to the splitting knife to achieve ultrasonic bonding of the wire.

[0027] The ultrasonic welding of wires is carried out by cooperating with a transducer and a wedge, thereby improving the wire bonding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the bonding mechanism in the embodiment of the present application;

[0029] Figure 2Schematic diagram of the bonding mechanism in the embodiment of the present application from the first perspective after omitting the mounting bracket;

[0030] Figure 3 Schematic diagram of the bonding mechanism in the embodiment of the present application from the second perspective after omitting the mounting bracket;

[0031] Figure 4 Schematic diagram of the bonding mechanism in the embodiment of the present application from the third perspective after omitting the mounting bracket;

[0032] Figure 5 Schematic diagram of the bonding mechanism in the embodiment of the present application from the fourth perspective after omitting the mounting bracket;

[0033] Figure 6 Schematic diagram of the cutting tool assembly in the embodiment of the application.

[0034] Figures 1 to 6 It includes:

[0035] Mounting bracket 1;

[0036] Lead clamping assembly 2: wire clamp mounting seat 21, splint driving part 22, wire clamp 23, splint 24, first fixing screw 25, first pushing screw 26, second fixing screw 27, third fixing screw 28, seat body 211, adjusting block 212, first installation groove 213, clamping groove 231;

[0037] Bonding tool assembly 3;

[0038] Cutting tool assembly 4: cutting tool mounting seat 41, cutting tool 42, fourth fixing screw 43, fifth fixing screw 44, second installation groove 411, second pushing screw 45, third pushing screw 46. Specific implementation manners

[0039] To make the above objects, features and advantages of the present application more obvious and understandable, the present application will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0040] As Figures 1 to 6 shown, the bonding mechanism in the embodiment of the present application includes a mounting bracket 1, a lead clamping assembly 2, a bonding tool assembly 3 and a cutting tool assembly 4, wherein:

[0041] The lead clamping assembly 2 includes a wire clamp mounting base 21, a clamping plate driving member 22, a wire clamp 23 and a clamping plate 24. Among them, the wire clamp mounting base 21 and the clamping plate driving member 22 are fixedly installed on the mounting bracket 1. The wire clamp 23 is detachably installed on the wire clamp mounting base 21, and the clamping plate 24 is detachably installed on the driving end of the clamping plate driving member 22. The clamping plate driving member 22 is used to drive the clamping plate 24 to move towards or away from the wire clamp 23 to clamp or release the wire passing between the wire clamp 23 and the clamping plate 24.

[0042] The bonding tool assembly 3 is installed on the mounting bracket 1. The bonding tool assembly 3 is used to press down the wire supplied by the lead clamping assembly 2 and bond the wire to the substrate.

[0043] The cutting tool assembly 4 includes a cutting tool mounting base 41 and a cutting tool 42. Among them, the cutting tool mounting base 41 is detachably installed on the mounting bracket 1, and the cutting tool 42 is installed on the cutting tool mounting base 41. The cutting tool 42 is used to cut off the wire that has completed bonding.

[0044] In the bonding mechanism in the embodiment of the present application, the wire clamp 23 and the clamping plate 24 are respectively detachably installed on the wire clamp mounting base 21 and the clamping plate driving member 22, and the cutting tool assembly 4 is detachably installed on the mounting bracket 1. During use, according to the specific specifications of the wire to be bonded, only the wire clamp 23, the clamping plate 24 and the cutting tool assembly 4 can be replaced, without the need to replace the bonding mechanism as a whole, thereby reducing the equipment cost and improving the production efficiency.

[0045] As Figures 4 to 5 shown, optionally, the wire clamp mounting base 21 includes a base body 211 and an adjusting block 212, where: the base body 211 is fixedly installed on the mounting bracket 1, a first connecting waist hole extending in the horizontal direction is provided on the base body 211, a first screw hole corresponding to the first connecting waist hole is provided on the adjusting block 212, and the adjusting block 212 is horizontally position-adjustably screwed to the base body 211 through a first fixing screw 25 passing through the first connecting waist hole and the first screw hole. The wire clamp 23 is detachably installed on the adjusting block.

[0046] Since the adjusting block 212 is installed on the base body 211 in a translatable and adjustable manner, and the wire clamp 23 is detachably installed on the adjusting block. Therefore, after the wire clamp 23 is installed on the adjusting block 212, the position of the wire clamp 23 in the horizontal direction can be adjusted by adjusting the installation position of the adjusting block 212. Specifically, first loosen the first fixing screw 25, then push the adjusting block 212 to slide left and right horizontally until in place, and then tighten the first fixing screw 25 to fix the adjusting block 212.

[0047] As Figure 4As shown, optionally, a first installation groove 213 is provided in the middle of the seat body 211. The adjusting block 212 is located in the first installation groove 213, and the width of the first installation groove 213 is greater than the width of the adjusting block. On both sides of the seat body 211, first pushing holes communicating with the first installation groove 213 are provided, and a first pushing screw 26 is arranged in the first pushing hole. The first pushing screw 26 is used to push the adjusting block 212 horizontally to drive the adjusting block 212 to slide horizontally.

[0048] By arranging the adjusting block 212 in the first installation groove 213 in the middle of the seat body 211 and respectively arranging the first pushing screws 26 on the seat body 211 on both sides of the first installation groove 213, precise adjustment of the position of the adjusting block 212 in the horizontal direction is achieved. For example, when it is necessary to drive the adjusting block 212 to slide to the right, turn the first pushing screw 26 on the left side so that the first pushing screw 26 on the left side pushes the adjusting block 212 to the right. When it is necessary to drive the adjusting block 212 to slide to the left, turn the first pushing screw 26 on the right side so that the first pushing screw 26 on the right side pushes the adjusting block 212 to the left.

[0049] As Figure 5 shown, optionally, a second screw hole is provided on the adjusting block 212, and a second connecting waist hole extending in the vertical direction corresponding to the second screw hole is provided on the wire clamp 23. The wire clamp 23 is screwed on the adjusting block in a height-adjustable manner through a second fixing screw 27 passing through the second connecting waist hole and the second screw hole. When it is necessary to adjust the position of the wire clamp 23 in the vertical direction, first loosen the second fixing screw 27, then push the wire clamp 23 to slide up and down in place, and then tighten the second fixing screw 27 to fix the wire clamp 23.

[0050] As Figure 2 shown, optionally, a third screw hole is provided on the driving end of the clamping plate driving member 22, and a fourth screw hole corresponding to the third screw hole is provided on the clamping plate 24. The clamping plate 24 is screwed on the driving end of the clamping plate driving member 22 through a third fixing screw 28 passing through the fourth screw hole and the third screw hole.

[0051] The clamping plate 24 is screwed on the driving end of the clamping plate driving member 22, ensuring the connection strength between the clamping plate 24 and the driving end of the clamping plate driving member 22, and facilitating the disassembly and replacement of the clamping plate 24. In order to further improve the stability of the clamping plate 24, the clamping plate 24 is screwed on the driving end of the clamping plate driving member 22 through two third fixing screws 28.

[0052] As Figure 5 shown, optionally, a clamping groove 231 is provided on one side of the wire clamp 23 facing the clamping plate 24. When the clamping plate driving member 22 drives the clamping plate 24 to move towards the wire clamp 23, the clamping plate 24 presses the wire tightly in the clamping groove 231, thereby realizing the pressing and limiting of the wire, and ensuring that the clamping plate 24 presses the wire firmly and stably on the wire clamp 23.

[0053] As Figure 3 shown, optionally, fifth screw holes are provided at both ends of the cutter mounting seat 41, and sixth screw holes corresponding to the fifth screw holes are provided on the mounting bracket 1. Both ends of the cutter mounting seat 41 are screwed to the mounting bracket 1 through fourth fixing screws 43 passing through the sixth screw holes and the fifth screw holes.

[0054] Both ends of the cutter mounting seat 41 are screwed to the mounting bracket 1 through the fourth fixing screws 43, ensuring the connection strength between the cutter mounting seat 41 and the mounting bracket 1 and facilitating the disassembly and replacement of the cutter mounting seat 41.

[0055] As Figure 6 shown, optionally, a third connecting waist hole is provided on the cutter mounting seat 41, and a seventh screw hole corresponding to the third connecting waist hole is provided at the upper end of the cutter 42. The upper end of the cutter 42 is screwed to the cutter mounting seat through a fifth fixing screw 44 passing through the third connecting waist hole and the seventh screw hole in a position-adjustable manner.

[0056] When it is necessary to adjust the position of the cutter 42, loosen the fifth fixing screw 44, and after adjusting the position of the cutter 42, tighten the fifth fixing screw 44.

[0057] As Figure 6 shown, optionally, a second mounting groove 411 is provided on the cutter mounting seat 41, the upper end of the cutter 42 is located in the second mounting groove 411, and the width of the second mounting groove 411 is greater than the width of the upper end of the cutter 42. A second pushing hole communicating with the second mounting groove 411 is provided at the top of the cutter mounting seat 41, and third pushing holes communicating with the second mounting groove 411 are provided on both sides of the cutter mounting seat 41. A second pushing screw 45 is provided in the second pushing hole, and the second pushing screw 45 is used to push the cutter 42 in the vertical direction to drive the cutter 42 to slide in the vertical direction. A third pushing screw 46 is provided in the third pushing hole, and the third pushing screw 46 is used to push the cutter 42 in the horizontal direction to drive the cutter 42 to slide in the horizontal direction.

[0058] By arranging the upper end of the cutter 42 in the second mounting groove 411 on the cutter mounting seat 41 and respectively arranging third pushing screws 46 on both sides of the second mounting groove 411, precise adjustment of the position of the cutter 42 in the horizontal direction is achieved. By arranging the second pushing screw 45, precise adjustment of the position of the cutter 42 in the vertical direction is achieved. For example, when it is necessary to push the cutter 42 to slide to the right, turn the third pushing screw 46 on the left side so that the third pushing screw 46 on the left side pushes the cutter 42 to the right. When it is necessary to push the cutter 42 to slide to the left, turn the third pushing screw 46 on the right side so that the third pushing screw 46 on the right side pushes the cutter 42 to the left. When it is necessary to adjust the height of the cutter 42, turn the second pushing screw 45.

[0059] Optionally, the splitting knife assembly 3 includes a splitting knife driving member, a transducer and a splitting knife, wherein: the splitting knife driving member is arranged on the mounting bracket 1, the transducer is connected to the driving end of the splitting knife driving member by transmission, the upper end of the splitting knife is connected to the transducer, the splitting knife driving member is used to drive the splitting knife to descend, so that the splitting knife presses the wire clamped by the clamp and the wire clamp, and the transducer transmits ultrasonic waves to the splitting knife to realize ultrasonic bonding of the wire. The ultrasonic welding of the wire is implemented by the cooperation of the transducer and the splitting knife, which improves the wire bonding effect.

[0060] The present application is described in sufficient detail above with certain particularity. It should be understood by those skilled in the art that the description in the embodiments is merely exemplary, and all changes made without departing from the true spirit and scope of the present application should fall within the scope of protection of the present application. The scope of protection claimed in the present application is defined by the claims, rather than by the above description in the embodiments.

Claims

1. A bonding mechanism, characterized in that, The bonding mechanism includes a mounting bracket, a lead clamping assembly, a bonding tool assembly, and a cutting tool assembly, where: The lead clamping assembly includes a clamp mounting base, a clamping plate driving member, a clamp, and a clamping plate. Among them, the clamp mounting base and the clamping plate driving member are fixedly installed on the mounting bracket. The clamp is detachably installed on the clamp mounting base, and the clamping plate is detachably installed on the driving end of the clamping plate driving member. The clamping plate driving member is used to drive the clamping plate to move towards or away from the clamp to clamp or release the wire passing between the clamp and the clamping plate; The bonding tool assembly is installed on the mounting bracket and is used to press down the wire supplied by the lead clamping assembly and bond the wire to the substrate; The cutting tool assembly includes a cutting tool mounting base and a cutting tool. Among them, the cutting tool mounting base is detachably installed on the mounting bracket, and the cutting tool is installed on the cutting tool mounting base. The cutting tool is used to cut off the wire that has completed bonding.

2. The bonding mechanism according to claim 1, characterized in that, The clamp mounting base includes a base body and an adjusting block, where: The base body is fixedly installed on the mounting bracket. The base body is provided with a first connecting waist hole extending in the horizontal direction. The adjusting block is provided with a first screw hole corresponding to the first connecting waist hole. The adjusting block is horizontally adjustably screwed to the base body through a first fixing screw passing through the first connecting waist hole and the first screw hole; The clamp is detachably installed on the adjusting block.

3. The bonding mechanism according to claim 2, wherein A first installation groove is provided in the middle of the base body. The adjusting block is located in the first installation groove, and the width of the first installation groove is greater than the width of the adjusting block; First pushing holes communicating with the first installation groove are provided on both sides of the base body. First pushing screws are arranged in the first pushing holes. The first pushing screws are used to push the adjusting block in the horizontal direction to drive the adjusting block to slide in the horizontal direction.

4. The bonding mechanism according to claim 2, characterized in that, The adjusting block is provided with a second screw hole. The clamp is provided with a second connecting waist hole corresponding to the second screw hole and extending in the vertical direction. The clamp is vertically adjustably screwed to the adjusting block through a second fixing screw passing through the second connecting waist hole and the second screw hole.

5. The bonding mechanism according to claim 1, wherein A third screw hole is provided on the driving end of the clamping plate driving member. The clamping plate is provided with a fourth screw hole corresponding to the third screw hole. The clamping plate is screwed to the driving end of the clamping plate driving member through a third fixing screw passing through the fourth screw hole and the third screw hole.

6. The bonding mechanism according to claim 1, wherein, A clamping groove is provided on the surface of the clamp facing the clamping plate. When the clamping plate driving member drives the clamping plate to move towards the clamp, the clamping plate presses the wire tightly in the clamping groove.

7. The bonding mechanism according to claim 1, characterized in that, Fifth screw holes are provided at both ends of the cutting tool mounting base. Sixth screw holes corresponding to the fifth screw holes are provided on the mounting bracket. The two ends of the cutting tool mounting base are respectively screwed to the mounting bracket through fourth fixing screws passing through the sixth screw holes and the fifth screw holes.

8. The bonding mechanism according to claim 7, wherein The cutter mounting seat is provided with a third connecting waist hole, and the upper end of the cutter is provided with a seventh screw hole corresponding to the third connecting waist hole. The upper end of the cutter is screwed to the cutter mounting seat in an adjustable manner via a fifth fixing screw passing through the third connecting waist hole and the seventh screw hole.

9. The bonding mechanism according to claim 8, wherein, The cutter mounting seat is provided with a second mounting groove, the upper end of the cutter is located in the second mounting groove, and the width of the second mounting groove is greater than the width of the upper end of the cutter; A second push hole communicating with the second mounting groove is arranged on the top of the cutter mounting seat, and third push holes communicating with the second mounting groove are arranged on both sides of the cutter mounting seat; A second pushing screw is arranged in the second pushing hole, and the second pushing screw is used to push the cutter in a vertical direction to push the cutter to slide in the vertical direction; A third pushing screw is arranged in the third pushing hole, and the third pushing screw is used to push the cutter in a horizontal direction to push the cutter to slide in the horizontal direction.

10. The bonding mechanism according to claim 1, wherein The riving knife assembly includes a riving knife driving member, a transducer and a riving knife, wherein: The splitting knife driving member is arranged on the mounting bracket, the transducer is drivingly connected to the driving end of the splitting knife driving member, the upper end of the splitting knife is connected to the transducer, the splitting knife driving member is used to drive the splitting knife to descend, so that the splitting knife presses the wire clamped by the clamp and the wire clamp, and the transducer transmits ultrasonic waves to the splitting knife to realize ultrasonic bonding of the wire.

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