CN216327825U

CN216327825U - Clamping device for lead bonding machine

Info

Publication number: CN216327825U
Application number: CN202122816954.8U
Authority: CN
Inventors: 刘泰安
Original assignee: Guangxi Jiayou Technology Co ltd
Current assignee: Guangxi Jiayou Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-19
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a clamping device for a lead bonding machine, which relates to the field of clamping devices and comprises a main body, wherein two groups of limiting plates are fixed at the top end of the main body, a turntable is rotatably connected inside the limiting plates, a limiting column is fixed at one end of the turntable, two groups of first magnetic blocks are fixed inside the turntable, and a U-shaped frame is sleeved on the outer wall of the limiting column. According to the utility model, the pushing strip, the bottom plate, the rotary table, the first magnetic block, the limiting column, the clamping plate, the second magnetic block, the clamping rods, the turning strip, the fixing plate, the screw rod and the U frame are arranged to be matched with each other, the height of the bottom plate is adjusted according to the size of a product, the bottom plate is matched with the clamping plate, the bottom plate is positioned among a plurality of groups of clamping rods, and the fixing plate is driven to be attached to the outer wall of the product to be bonded, so that the purpose of fixing the product is achieved, the device can be suitable for products with different specifications and sizes, the application range of the device is improved, and various requirements of customers are met.

Description

Clamping device for lead bonding machine

Technical Field

The utility model relates to the field of clamping devices, in particular to a clamping device for a lead bonding machine.

Background

The lead bonding is a method using a thin metal wire, which utilizes heat, pressure and ultrasonic energy to tightly weld a metal lead and a substrate bonding pad to realize the electrical interconnection between a chip and a substrate and the information intercommunication between the chips, under ideal control conditions, the lead and the substrate can generate electronic sharing or atomic mutual diffusion, so that the bonding between the two metals on an atomic scale is realized, when an automatic lead bonding machine is used for bonding the leads such as gold wires, gold strips and the like, a product to be bonded needs to be clamped, the problems of bonding position deviation, lead false welding and the like caused by the movement of the product in the lead bonding process are prevented, and a clamping device specially aiming at the bonded product is needed.

At present, the clamping device for the existing bonding machine can only clamp a single product with a specification size, so that the clamping device has limitation, the application range of the limited clamping device cannot meet the requirements of the existing clients.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a clamping device for a wire bonding machine, so as to solve the technical problem that only one specification and size of product can be clamped in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamping device for a wire bonding machine comprises a main body, two groups of limiting plates are fixed at the top end of the main body, a turntable is rotatably connected inside the limiting plate, a limiting column is fixed at one end of the turntable, two groups of first magnetic blocks are fixed inside the turntable, the outer wall of the limiting column is sleeved with a U-shaped frame, the bottom end of the U-shaped frame is fixed with a push bar, one side of the other end of the turntable is connected with a clamping plate extending to the outer side of the limiting plate in a sliding manner, a plurality of groups of clamping rods extending to the outer side of the clamping plate are arranged in the clamping plate, fixing pieces are fixed at the end parts of the clamping rods, the bottom end of the fixed plate is rotatably connected with a turning strip, one side of the clamping plate close to the turntable is fixedly provided with two groups of second positive magnetic blocks, the top of main part is located the inside of limiting plate and has seted up the standing groove, the inner wall of standing groove is equipped with the bottom plate, the bottom of bottom plate is equipped with the lead screw that extends to the main part bottom.

By adopting the technical scheme, the device can be suitable for products with different specifications and sizes, the application range of the device is improved, and various requirements of customers are met.

The utility model is further provided that the top end of the screw rod is rotatably connected with the bottom plate, and the contact position of the outer wall of the screw rod and the main body is rotatably connected through threads.

Through adopting above-mentioned technical scheme for when rotating the lead screw, order about the bottom plate and rise.

The utility model is further provided that the two ends of the bottom plate are provided with sliding blocks extending into the placing groove, and the contact position of the inner wall of the placing groove and the sliding blocks is provided with matched sliding grooves.

Through adopting above-mentioned technical scheme, carry on spacingly to the bottom plate, prevent that the bottom plate from following the lead screw and rotating.

The clamp is further provided with limiting pieces extending into the limiting plates at two ends of the clamp plate, a first spring fixedly connected with the limiting plates is arranged on one side of each limiting piece, a return spring is fixedly arranged at one end of the clamping rod, which is positioned in the clamp plate, and one end of the return spring is fixedly connected with the clamp plate.

Through adopting above-mentioned technical scheme, conveniently reset splint to the product after the convenient bonding is taken out.

The utility model is further provided that the top end of the main body is provided with an electric telescopic rod, and the output end of the electric telescopic rod is connected with the tail end of the push bar.

Through adopting above-mentioned technical scheme, conveniently promote and push away the strip and remove to can treat the product of bonding and carry out the centre gripping fixed.

The utility model is further arranged in that two groups of supporting blocks are fixed at the bottom end of the main body, and a rough pad is fixed at the bottom end of the two groups of supporting blocks.

By adopting the technical scheme, the stability of the device is improved, and the phenomenon of shaking during bonding is avoided.

In summary, the utility model mainly has the following beneficial effects:

according to the utility model, the pushing strip, the bottom plate, the rotary table, the first magnetic block, the limiting column, the clamping plate, the second magnetic block, the clamping rods, the turning strip, the fixing plate, the screw rod and the U frame are arranged to be matched with each other, the height of the bottom plate is adjusted according to the size of a product, the bottom plate is matched with the clamping plate, the bottom plate is positioned among a plurality of groups of clamping rods, and the fixing plate is driven to be attached to the outer wall of the product to be bonded, so that the purpose of fixing the product is achieved, the device can be suitable for products with different specifications and sizes, the application range of the device is improved, and various requirements of customers are met.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the turntable of the present invention;

fig. 3 is a side view of the splint of the present invention.

In the figure: 1. a main body; 2. a limiting plate; 3. an electric telescopic rod; 4. pushing the strips; 5. a base plate; 6. a turntable; 61. a first positive magnetic block; 62. a limiting column; 7. a splint; 71. a second positive magnetic block; 72. a clamping bar; 73. turning over the strips; 74. a fixing sheet; 8. a placement groove; 9. a screw rod; 10. and (6) U frame.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A clamping device for a wire bonder is shown in figures 1-3 and comprises a main body 1, two groups of limiting plates 2 are fixed at the top end of the main body 1, a turntable 6 is rotatably connected inside the limiting plates 2, a limiting column 62 is fixed at one end of the turntable 6, two groups of first positive magnetic blocks 61 are fixed inside the turntable 6, a U frame 10 is sleeved on the outer wall of the limiting column 62, a pushing strip 4 is fixed at the bottom end of the U frame 10, a clamping plate 7 extending to the outer side of the limiting plates 2 is slidably connected to one side of the other end of the turntable 6, a plurality of groups of clamping rods 72 extending to the outer side of the clamping plate 7 are arranged inside the clamping plate 7, a fixing plate 74 is fixed at the end of each clamping rod 72, an overturning strip 73 is rotatably connected to the bottom end of each fixing plate 74, two groups of second positive magnetic blocks 71 are fixed at one side of the clamping plate 7 close to the turntable 6, a placement groove 8 is formed in the limiting plates 2 at the top end of the main body 1, a bottom plate 5 is arranged on the inner wall of the placement groove 8, the bottom of bottom plate 5 is equipped with the lead screw 9 that extends to main part 1 bottom, rotates lead screw 9 and makes bottom plate 5 rise to make the device be suitable for with not equidimension product, improve the universality and the flexibility of its device.

Referring to fig. 1, the top end of the screw rod 9 is rotatably connected with the bottom plate 5, the outer wall of the screw rod 9 is rotatably connected with the contact position of the main body 1 through threads, the two ends of the bottom plate 5 are provided with sliders extending into the placing grooves 8, and the contact positions of the inner walls of the placing grooves 8 and the sliders are provided with matched sliding grooves, so that the bottom plate 5 is limited while the screw rod 9 rotates, and the bottom plate 5 is driven to vertically lift along the sliding grooves.

Referring to fig. 3, two ends of the clamping plate 7 are provided with limiting pieces extending to the inside of the limiting plate 2, one side of each limiting piece is provided with a spring fixedly connected with the limiting plate 2, one end of the clamping rod 72 is located inside the clamping plate 7 and is fixed with a return spring, one end of the return spring is fixedly connected with the clamping plate 7, and the clamping plate 7 moves towards the outside, so that the fixing piece 74 is pushed to be attached to the outer wall of a product, the length of the clamping rod 72 is adjusted according to the size of the product due to compression of the spring, and extrusion damage to the product is avoided.

Referring to fig. 1, an electric telescopic rod 3 is installed at the top end of a main body 1, an output end of the electric telescopic rod 3 is connected with an end of a push bar 4, and an output end of the electric telescopic rod 3 extends to push the push bar 4 to move, so that a U-shaped frame 10 can be pushed to move.

Referring to fig. 1, two groups of supporting blocks are fixed at the bottom end of a main body 1, and a rough pad is fixed at the bottom end of the two groups of supporting blocks, so that the weight of the device and a product extrudes the rough pad to be in close contact with the ground, thereby preventing the device from moving.

The working principle of the utility model is as follows: firstly, adjusting the height of a bottom plate 5 in a placing groove 8 according to the size of a product to be bonded, rotating a lead screw 9 to push the bottom plate 5 to rise, placing the product on the top end of the bottom plate 5, starting an electric telescopic rod 3, extending the output end of the electric telescopic rod 3 and pushing a push strip 4 to move, pushing and driving a U-shaped frame 10 to move, enabling a turntable 6 to rotate around a contact point with a limiting plate 2 through a limiting column 62, driving two groups of first-magnetic blocks 61 and two groups of second-magnetic blocks 71 to be in the same plane, generating repulsive force between the first-magnetic blocks 61 and the second-magnetic blocks 71, enabling a clamping plate 7 to move towards the outer side of the limiting plate 2, meanwhile, extruding and overturning strips 73 on the edge of the bottom plate 5 to rotate towards the inner side, enabling the bottom plate 5 to enter between the groups of clamping rod plates 72, and then enabling a plurality of groups of fixing sheets 74 above the bottom plate 5 to be attached to the outer wall of the product, thereby fixing the product on the top end of the bottom plate 5, and then bonding work can be performed.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. A clamping device for a wire bonding machine, comprising a main body (1), characterized in that: the top of main part (1) is fixed with two sets of limiting plates (2), the inside rotation of limiting plate (2) is connected with carousel (6), the one end of carousel (6) is fixed with spacing post (62), the inside of carousel (6) is fixed with two sets of positive magnetic path (61) No. one, the outer wall of spacing post (62) has cup jointed U frame (10), the bottom mounting of U frame (10) has push away strip (4), other end one side sliding connection of carousel (6) has splint (7) that extend to the limiting plate (2) outside, the inside of splint (7) is equipped with multiunit clamping bar (72) that extend to the splint (7) outside, the end fixing of clamping bar (72) has stationary blade (74), the bottom rotation of stationary blade (74) is connected with upset strip (73), one side that splint (7) are close to carousel (6) is fixed with two sets of positive magnetic path (71), the inside that the top of main part (1) is located limiting plate (2) has seted up standing groove (8), the inner wall of standing groove (8) is equipped with bottom plate (5), the bottom of bottom plate (5) is equipped with lead screw (9) that extend to main part (1) bottom.

2. The clamping device for a wire bonding machine according to claim 1, wherein: the top end of the screw rod (9) is rotatably connected with the bottom plate (5), and the outer wall of the screw rod (9) is rotatably connected with the contact position of the main body (1) through threads.

3. The clamping device for a wire bonding machine according to claim 1, wherein: the both ends of bottom plate (5) are equipped with the slider that extends to standing groove (8) inside, and the inner wall of standing groove (8) and slider contact position offer assorted spout.

4. The clamping device for a wire bonding machine according to claim 1, wherein: splint (7) both ends are equipped with the spacing piece that extends to limiting plate (2) inside, and one side of spacing piece be equipped with limiting plate (2) fixed connection's a spring, the inside that the one end of clamping bar (72) is located splint (7) is fixed with reset spring, and reset spring one end and splint (7) fixed connection.

5. The clamping device for a wire bonding machine according to claim 1, wherein: electric telescopic handle (3) are installed on the top of main part (1), electric telescopic handle (3)'s output with push away strip (4) end-to-end connection.

6. The clamping device for a wire bonding machine according to claim 1, wherein: two groups of supporting blocks are fixed at the bottom end of the main body (1), and a rough pad is fixed at the bottom ends of the two groups of supporting blocks.