Pressing structure of lead bonding machine

By designing a pressing structure in the wire bonding machine with the clamps located on both sides of the placement slot, the problems of difficult operation and easy product deformation in traditional designs are solved, achieving convenient operation and efficient processing.

CN223872762UActive Publication Date: 2026-02-03CHONGQING XIHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520189992.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-02-03
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The pressing structure design of traditional wire bonding machines requires operators to avoid the pressing blocks when placing products, which increases the difficulty of operation and can easily lead to product collisions and deformation.

Method used

A pressing structure was designed, in which the clamping blocks are located on both sides of the placement slot. The product can be directly inserted vertically from the top. The lateral movement of the clamping blocks is achieved by the threaded rod driven by the motor and the sliding parts. Combined with the upper and lower clamping of the spring and the electric push rod, the stability and accuracy of the product are ensured during the fixing process.

Benefits of technology

It improves ease of operation, avoids product collisions and deformation, ensures processing accuracy and equipment stability, reduces operating steps, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lead bonding machines, and discloses a crimping structure of a lead bonding machine, which comprises a machine body, and a crimping assembly is arranged at the top of the machine body. According to the pressing structure of the lead bonding machine, the clamping blocks are located on the two sides of the containing groove but not above the containing groove, a product can be directly and vertically placed into the containing groove from the top without angle adjustment or pressing block avoiding, operation convenience is improved, the product can be conveniently and automatically guided into the position below the clamping blocks through the arrangement of the clamping block chamfers, the situation that the clamping blocks collide with the product due to inaccurate placement can be effectively avoided, and production efficiency is improved. The surface of the product is protected, the jacking sleeve always upwards jacks the product under the action of the spring, the product is uniformly stressed in the whole fixing process through an up-down two-way clamping structure, deviation, warping or deformation is avoided, the first electric push rod pushes the lifting plate to move upwards, and then the jacking sleeve can upwards jack the product out of the containing groove. And an operator does not need to manually pick up the products from the placing groove.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wire bonding machine, concretely to a press structure of wire bonding machine. BACKGROUND

[0002] The wire bonding technology is an indispensable process in semiconductor packaging process, and most of the traditional wire bonding machines adopt a traditional workbench, a pressing block is used to fix the wire frame, and a welding head is used to weld and connect the wire and the wire frame.

[0003] According to the press structure of a wire bonding machine (announcement number: CN217588854U), the above-mentioned application includes a base, a sliding groove is formed at the top end of the base, a sliding block is slidably installed in the sliding groove, a processing table is fixedly installed at the top end of the sliding block, a placing groove in a straight line is formed at the top end of the processing table, a plurality of storage grooves in a straight line are formed at the top end of the base, and the same group of storage grooves are four, and the same group of four storage grooves are located around the placing groove.

[0004] However, the pressing block is located directly above the placing groove, which will hinder the operator from putting the product into the placing groove, and the operator needs to avoid the pressing block and insert the product obliquely or from the side during operation, which increases the operation difficulty; therefore, we propose a press structure of a wire bonding machine. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a press structure of a wire bonding machine to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a press structure of a wire bonding machine, including a machine body, a pressing assembly is arranged at the top of the machine body, and the pressing assembly includes:

[0007] A motor one is fixedly connected to the top end face of the machine body, a threaded rod is fixedly connected to the output end of the motor one, and a sliding piece is threadedly connected to the side wall of the threaded rod;

[0008] A placing groove is formed at the top end face of the sliding piece, a motor two is fixedly connected to the top end face of the sliding piece, a rotating shaft is fixedly connected to the output end of the motor two, and a clamping block is fixedly connected to the side wall of the rotating shaft;

[0009] An electric push rod one is fixedly connected to the inner bottom face of the sliding piece, a lifting plate is fixedly connected to the top end of the electric push rod one, a spring is fixedly connected to the top of the lifting plate, and the spring is fixedly connected to the inner top face of the jacking sleeve.

[0010] Preferably, the side wall of the machine body is fixedly connected with a frame body, the frame body comprises a vertical part and a horizontal part, the bottom end surface of the horizontal part is fixedly connected with a mechanical arm, and the bottom end surface of the mechanical arm is fixedly connected with a welding head.

[0011] Preferably, the side wall of the machine body is provided with a sliding groove, the sliding groove is in sliding connection with a sliding piece, the sliding groove limits the sliding piece, and the threaded rod can only drive the sliding piece to move transversely.

[0012] Preferably, the inside bottom surface of the sliding piece is fixedly connected with a limiting column, the limiting column is in sleeve connection with the lifting plate, the limiting column guides the movement direction of the lifting plate, and the lifting plate moves horizontally upward.

[0013] Preferably, the inner wall of the machine body is fixedly connected with an electric push rod two, the output end of the electric push rod two is fixedly connected with a movable plate, the side, away from the electric push rod two, of the movable plate is fixedly connected with a movable column, the end surface of the movable column is fixedly connected with an elastic piece, and the end, away from the movable column, of the elastic piece is fixedly connected with a limiting sleeve.

[0014] Preferably, the side wall of the sliding piece is provided with clamping grooves, the number of the clamping grooves is set to be several groups, the spacing between the clamping grooves is equal to the spacing between the placing grooves, and the clamping grooves are in sleeve connection with the limiting sleeve.

[0015] Compared with the prior art, the pressing structure of the wire bonding machine has the following beneficial effects:

[0016] 1. The pressing structure of the wire bonding machine, by setting the pressing assembly, the clamping blocks are located on both sides of the placing grooves instead of above, the product can be directly placed vertically into the placing grooves from the top, without the need of adjusting the angle or avoiding the clamping blocks, thereby improving the operation convenience, the setting of the chamfer of the clamping blocks facilitates the automatic guiding of the product into below the clamping blocks, can effectively avoid the collision between the clamping blocks and the product due to inaccurate placing, protects the surface of the product, the jack is always upwardly pushing the product under the action of the spring, and the structure of the upward and downward clamping makes the product bear even force in the whole fixing process, avoids deviation, warping or deformation, and when a plurality of products are welded, the electric push rod one drives the lifting plate to move upward, and then the jack can upwardly push the product out of the placing groove, so that the operator does not need to manually pick up the product from the placing groove, thereby reducing the operation steps.

[0017] 2. The pressing structure of the wire bonding machine, by setting the limiting sleeve and the clamping grooves, when the clamping grooves move to the end surface of the limiting sleeve, the limiting sleeve is in clamping connection with the clamping grooves under the elastic action of the elastic piece, at this time, the position of the sliding piece is limited, deviation does not occur due to processing vibration or external force interference, and the processing precision and equipment stability are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a main body structure schematic diagram;

[0019] Figure 2 The utility model discloses Figure 1 A region structure schematic diagram in the middle;

[0020] Figure 3 The utility model discloses a machine body section structure schematic diagram;

[0021] Figure 4 The utility model discloses a limiting sleeve section structure schematic diagram;

[0022] Figure 5 The utility model discloses a sliding part section structure schematic diagram;

[0023] Figure 6 The utility model discloses a jacking sleeve explosion map.

[0024] In the drawing: 1, machine body;2, frame body;3, mechanical arm;4, welding head;5, pressing assembly;501, motor one;502, threaded rod;503, sliding part;504, placing groove;506, motor two;507, rotating shaft;508, clamping block;509, electric push rod one;510, lifting plate;511, spring;512, jacking sleeve;6, limiting column;7, clamping groove;8, electric push rod two;9, movable plate;10, movable column;11, elastic part;12, limiting sleeve. DETAILED DESCRIPTION

[0025] As Figures 1-6 Indicated, the utility model provides a kind of technical scheme: a pressing structure of wire bonding machine, including machine body 1, the side wall of machine body 1 is fixedly connected with frame body 2, frame body 2 includes vertical part and horizontal part, the bottom end surface of horizontal part is fixedly connected with mechanical arm 3, the bottom end surface of mechanical arm 3 is fixedly connected with welding head 4, the top of machine body 1 is provided with pressing assembly 5, and pressing assembly 5 includes motor one 501, threaded rod 502, sliding part 503, placing groove 504, motor two 506, rotating shaft 507, clamping block 508, electric push rod one 509, lifting plate 510, spring 511, jacking sleeve 512.

[0026] In an embodiment of the utility model, motor one 501 is fixedly connected at the top end surface of machine body 1, the output end of motor one 501 is fixedly connected with threaded rod 502, the side wall of threaded rod 502 is threadedly connected with sliding part 503, the side wall of machine body 1 is provided with sliding groove, and sliding groove is slidably connected with sliding part 503, and sliding groove positions sliding part 503, so that threaded rod 502 can only drive sliding part 503 to move horizontally by rotating.

[0027] The placing groove 504 is arranged at the top end surface of the sliding piece 503, the top end surface of the sliding piece 503 is fixedly connected with the motor two 506, the output end of the motor two 506 is fixedly connected with the rotating shaft 507, and the side wall of the rotating shaft 507 is fixedly connected with the clamping block 508.

[0028] The electric push rod one 509 is fixedly connected to the inner bottom surface of the sliding piece 503, the top end of the electric push rod one 509 is fixedly connected with the lifting plate 510, the top of the lifting plate 510 is fixedly connected with the spring 511, the spring 511 is fixedly connected with the inner top surface of the jacking sleeve 512, the inner bottom surface of the sliding piece 503 is fixedly connected with the limiting column 6, the limiting column 6 is sleeved with the lifting plate 510, and the limiting column 6 guides the movement direction of the lifting plate 510, so that the lifting plate 510 moves horizontally upwards.

[0029] The product is placed into the placing groove 504, and then the motor two 506 drives the rotating shaft 507 and the clamping block 508 to rotate, the side, provided with a chamfer, of the clamping block 508 is arranged to face the rotating direction, so as to guide the product to the lower side of the clamping block 508, the product is compressed by the clamping blocks 508 on both sides, and the function of fixing and pressing is realized, the clamping blocks 508 are arranged on both sides of the placing groove 504 rather than on the top, the product can be directly placed into the placing groove 504 vertically from the top, without the need of adjusting the angle or avoiding the pressing block, and the operation convenience is improved, the chamfer of the clamping block 508 facilitates the automatic guiding of the product to the lower side of the clamping block 508, and the collision between the clamping block 508 and the product caused by inaccurate placing can be effectively avoided, and the surface of the product is protected.

[0030] The motor one 501 drives the threaded rod 502 to rotate, drives the sliding piece 503 to move horizontally, and makes the placing groove 504 stop below the welding head 4 in turn, so that the device can simultaneously weld leads of multiple products, and the working efficiency of the device is improved, while the clamping block 508 presses the product downward, the jacking sleeve 512 always pushes the product upward under the action of the spring 511, the structure of the upward and downward clamping makes the product bear uniform force in the whole fixing process, and deviation, warping or deformation are avoided, and when multiple products are welded, the electric push rod one 509 drives the lifting plate 510 to move upward, and then the jacking sleeve 512 can push the product upward out of the placing groove 504, so that the operator does not need to manually pick up the product from the placing groove 504, the operation steps are reduced, and the efficiency can be remarkably improved, especially in the batch processing scene.

[0031] In addition, the inner wall of the body 1 is fixedly connected with the electric push rod two 8, the output end of the electric push rod two 8 is fixedly connected with the movable plate 9, the side, away from the electric push rod two 8, of the movable plate 9 is fixedly connected with the movable column 10, the end face of the movable column 10 is fixedly connected with the elastic element 11, one end, away from the movable column 10, of the elastic element 11 is fixedly connected with the limiting sleeve 12, the side wall of the sliding part 503 is provided with the clamping groove 7, the number of the clamping groove 7 is provided with several groups, the spacing between the clamping groove 7 is equal to the spacing between the placing groove 504, the clamping groove 7 is sleeved with the limiting sleeve 12, the motor one 501 drives the threaded rod 502 to rotate, drives the sliding part 503 to move transversely, when the clamping groove 7 moves to the end face of the limiting sleeve 12, the limiting sleeve 12 is clamped with the clamping groove 7 under the elastic action of the elastic element 11, at the moment, the position of the sliding part 503 is limited, the sliding part 503 is prevented from continuing to slide due to inertia or external force, so that the accuracy of the sliding part 503 in multi-station or multi-point processing is guaranteed, deviation due to processing vibration or external force interference is avoided, and processing precision and equipment stability are ensured.

[0032] In the utility model, when using, the product is placed into the placing groove 504, then the motor two 506 is started to drive the rotating shaft 507 and the clamping block 508 to rotate, one side, provided with a chamfer, of the clamping block 508 is oriented to rotate, so as to guide the product to the lower side of the clamping block 508, the product is compressed by the clamping block 508 on both sides, the function of fixed pressing is played, the clamping block 508 is located on both sides of the placing groove 504 instead of the upper side, the product can be directly placed into the placing groove 504 vertically from the top, does not need to adjust the angle or avoid the pressing block, the operation convenience is improved, the motor one 501 drives the threaded rod 502 to rotate, drives the sliding part 503 to move transversely, makes the placing groove 504 stop in turn under the welding head 4, so that the equipment can weld leads to multiple products at the same time, the working efficiency of the equipment is improved, when the clamping block 508 is pressed down to the product, the jack sleeve 512 is always pressed upward to the product under the action of the spring 511, the structure of bidirectional clamping makes the product bear even force in the whole fixing process, deviation, warping or deformation are avoided.

[0033] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A pressing structure for a wire bonding machine, comprising a body (1), characterized in that: A pressing component (5) is provided on the top of the body (1), the pressing component (5) comprising: Motor 1 (501) is fixedly connected to the top end face of the machine body (1). The output end of the motor 1 (501) is fixedly connected to a threaded rod (502). The side wall of the threaded rod (502) is threadedly connected to a sliding member (503). A placement groove (504) is formed on the top end face of the sliding member (503). A second motor (506) is fixedly connected to the top end face of the sliding member (503). A rotating shaft (507) is fixedly connected to the output end of the second motor (506). A locking block (508) is fixedly connected to the side wall of the rotating shaft (507). An electric push rod (509) is fixedly connected to the bottom surface inside the sliding member (503). A lifting plate (510) is fixedly connected to the top of the electric push rod (509). A spring (511) is fixedly connected to the top of the lifting plate (510). The spring (511) is fixedly connected to the top surface inside the lifting sleeve (512).

2. The pressing structure of a wire bonding machine according to claim 1, characterized in that: The side wall of the machine body (1) is fixedly connected to a frame (2), which includes a vertical part and a horizontal part. A mechanical arm (3) is fixedly connected to the bottom end face of the horizontal part, and a welding head (4) is fixedly connected to the bottom end face of the mechanical arm (3).

3. The pressing structure of a wire bonding machine according to claim 1, characterized in that: The side wall of the body (1) is provided with a sliding groove, and the sliding groove is slidably connected to the sliding member (503).

4. The pressing structure of a wire bonding machine according to claim 1, characterized in that: The sliding member (503) has a fixed bottom surface connected to a limiting post (6), which is sleeved with the lifting plate (510).

5. The pressing structure of a wire bonding machine according to claim 1, characterized in that: An electric push rod 2 (8) is fixedly connected to the inner wall of the body (1). A movable plate (9) is fixedly connected to the output end of the electric push rod 2 (8). A movable column (10) is fixedly connected to the side of the movable plate (9) away from the electric push rod 2 (8). An elastic element (11) is fixedly connected to the end face of the movable column (10). A limit sleeve (12) is fixedly connected to the end of the elastic element (11) away from the movable column (10).

6. The pressing structure of a wire bonding machine according to claim 5, characterized in that: The sliding member (503) has a slot (7) on its side wall. The number of slots (7) is set to several sets. The distance between the slots (7) is equal to the distance between the placement slots (504). The slots (7) are sleeved with the limiting sleeve (12).

Citation Information

Patent Citations

  • Pressing structure of lead bonding machine

    CN217588854U