Fixing tool for circuit board production

By setting push blocks and guide posts at both ends and the top of the circuit board, and using screws and drive motors to automatically clamp the circuit board, the problem of low clamping efficiency of existing circuit board tooling is solved, the efficiency of placing and removing circuit boards is improved, and the accuracy of milling holes is enhanced.

CN224021955UActive Publication Date: 2026-03-20SICHUAN ZHONGHAN INTELLIGENT MFG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing circuit board alignment fixtures are inefficient in clamping and releasing circuit boards, which affects production efficiency.

Method used

A fixed fixture for circuit board production is adopted. By setting push blocks and guide posts at both ends and the top of the circuit board, the push blocks are automatically moved by screws and drive motors. Combined with the inclined surface design, the circuit board is automatically clamped and fixed, simplifying the operation process.

Benefits of technology

It improves the efficiency of circuit board placement and removal, enhances the accuracy of router holes, and eliminates the need for additional clamping equipment, thus simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fixing tool for circuit board production, and the tool comprises a lower plate, the top of the lower plate is provided with two pairs of guide columns, the two ends of the lower plate are provided with first rectangular grooves in the length direction, the first rectangular grooves are internally provided with push blocks in a sliding manner, the two push blocks are arranged in an opposite or reverse moving manner in the length direction of the lower plate, and the tops of the push blocks protrude out of the top of the lower plate; a baffle plate is arranged on one side of the top of the lower plate, and the length direction of the baffle plate is parallel to the length direction of the lower plate; the upper plate is arranged above the lower plate in parallel, the upper plate is connected with the guide columns in a sliding mode, second rectangular grooves matched with the first rectangular grooves in shape are formed in the two ends of the upper plate, a strip-shaped through groove is formed in the top of the upper plate, the baffle is arranged in the strip-shaped through groove in a sliding mode, and a plurality of vertical through holes are formed in the upper plate and used for circuit board gong hole alignment. The tool can clamp and fix the circuit board from the two ends and the top of the circuit board, and the efficiency of placing and taking out the circuit board is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the circuit board production technical field especially relates to a kind of fixed tool for circuit board production. BACKGROUND

[0002] Hole operation needs to be carried out in printed circuit board production process, when drilling, in order to ensure that the hole drilled does not produce deviation, printed circuit board is usually placed in alignment tool, and printed circuit board is clamped before drilling operation is carried out. The existing alignment tool is usually provided with a push block on both sides and both ends of the circuit board to clamp the circuit board and realize alignment. The circuit board is fixed by this mode, and the circuit board needs to be clamped and loosened by manually adjusting multiple push blocks when placing and taking out the circuit board, which affects production efficiency, and improvement is necessary. UTILITY MODEL CONTENTS

[0003] In order to solve the above-mentioned prior art defects, the present application provides a kind of fixed tool for circuit board production, can be clamped and fixed from the both ends of circuit board and the top of circuit board, improve the efficiency of placing and taking out circuit board.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technology:

[0005] A kind of fixed tool for circuit board production, comprising:

[0006] The top of the lower plate is provided with two pairs of guide columns, and the first rectangular slot is formed in the length direction of the both ends of the lower plate, the push block is slidably arranged in the first rectangular slot, the two push blocks are arranged in the length direction of the lower plate and move towards or reverse, the top of the push block protrudes from the top of the lower plate, for clamping the circuit board placed on the lower plate, one side of the top of the lower plate is provided with a baffle, and the length direction of the baffle is parallel to the length direction of the lower plate;

[0007] The upper plate is parallel to the upper plate, and the upper plate is slidably connected with the guide column, and the second rectangular slot is formed in the both ends of the upper plate and matched with the shape of the first rectangular slot, the strip-shaped through slot is formed in the top of the upper plate, and the baffle is slidably arranged in the strip-shaped through slot, and a plurality of vertical through holes are formed in the upper plate for hole alignment of the circuit board.

[0008] Further, a screw rod is provided in the length direction of the lower plate, the both ends of the screw rod are provided with threads with opposite rotation directions, one end of the screw rod is connected with the output shaft of a driving motor, and the both ends of the screw rod are threadedly connected with the two push blocks.

[0009] Further, the one end of the first rectangular slot towards the outside is provided with a connecting plate, and the both ends of the screw rod are rotatably connected with the two connecting plates.

[0010] Further, the inward side of the push block is provided with a pressing block, the pressing block is in the second rectangular groove, the bottom of the pressing block has an inclined surface, the bottom of the inclined surface is inclined to the push block, when the push block abuts against the two sides of the circuit board placed on the lower plate, and the upper plate presses the circuit board, the inclined surface abuts against the top of the upper plate.

[0011] Further, the top of the guide column is threadedly connected with a limiting screw.

[0012] The utility model has the advantages that:

[0013] 1. The circuit board can be clamped and fixed from both ends and the top of the circuit board, the efficiency of placing and taking out the circuit board is improved, and the accuracy of the hole drilling is further improved through the vertical through hole of the upper plate.

[0014] 2. When the push block abuts against the two sides of the circuit board placed on the lower plate, and the upper plate presses the circuit board, the inclined surface abuts against the top of the upper plate, the upper plate is pressed downward, the circuit board is pressed tightly, the circuit board is prevented from deviating, and the additional pressing device is not needed to press the upper plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure perspective view of the embodiment of the application.

[0016] Figure 2 It is a structure perspective view of the upper plate in the embodiment of the application.

[0017] Figure 3 It is a structure perspective view of the lower plate in the embodiment of the application.

[0018] Figure 4 It is a structure perspective view of the lower plate in the embodiment of the application.

[0019] The figure mark: the lower plate is 1, the push block is 2, the circuit board is 3, the upper plate is 4, the screw rod is 5, the drive motor is 6, the connecting plate is 7, the pressing block is 8, the limiting screw is 9, the guide column is 101, the first rectangular groove is 102, the baffle is 103, the second rectangular groove is 401, the strip-shaped through groove is 402, the vertical through hole is 403, and the inclined surface is 801. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the embodiment of the utility model is described in detail below with reference to the drawings, but the embodiment described in the utility model is a part of the embodiment of the utility model, not all the embodiments.

[0021] The embodiment of the application provides a fixing tool for circuit board production, as shown in the figure, comprising a lower plate 1, a pair of push blocks 2, an upper plate 4 and the like. Figures 1-4

[0022] ​Specifically, the top of the lower plate 1 is provided with two pairs of guide columns 101, and the two ends of the lower plate 1 are each provided with a first rectangular slot 102 along the length direction, and a pair of push blocks 2 are respectively slidably arranged in the two first rectangular slots 102, and the two push blocks 2 are arranged to move towards or away from each other along the length direction of the lower plate 1, and the top of the push block 2 protrudes from the top of the lower plate 1 and is used to clamp the circuit board 3 placed on the lower plate 1, and one side of the top of the lower plate 1 is provided with a baffle 103, and the length direction of the baffle 103 is parallel to the length direction of the lower plate 1; the upper plate 4 is arranged parallel to the upper side of the lower plate 1, and the upper plate 4 is slidably connected with the guide columns 101, and the two ends of the upper plate 4 are provided with second rectangular slots 401 matched with the shapes of the first rectangular slots 102, and the top of the upper plate 4 is provided with a strip-shaped through slot 402, and the baffle 103 is slidably arranged in the strip-shaped through slot 402, and a plurality of vertical through holes 403 are arranged on the upper plate 4 and are used to drill holes on the circuit board 3.

[0023] In actual use, the upper plate 4 is first lifted upwards, then the circuit board 3 to be drilled is placed between the lower plate 1 and the upper plate 4, and the circuit board 3 abuts against the baffle 103, then the two push blocks 2 are controlled to move towards each other to clamp the circuit board 3, then the upper plate 4 is lowered to press the circuit board 3 downwards, and then a hole is drilled through the vertical through hole 403 by using a screw hole device.

[0024] Specifically, referring to Figure 3 、 Figure 4 , a screw rod 5 is arranged on the lower plate 1 along the length direction, and the two ends of the screw rod 5 are respectively provided with threads rotating in opposite directions, one end of the screw rod 5 is connected with the output shaft of a driving motor 6, and the two push blocks 2 are respectively threadedly connected with the two ends of the screw rod 5. Through the above arrangement, the rotation of the driving motor 6 can drive the screw rod 5 to rotate, and then the two push blocks 2 are automatically moved towards or away from each other. More specifically, the outer end of the first rectangular slot 102 is provided with a connecting plate 7, and the two ends of the screw rod 5 are respectively rotatably connected with the two connecting plates 7 to fix the two ends of the screw rod 5.

[0025] Specifically, referring to Figure 1 , the top of the guide column 101 is threadedly connected with a limiting screw 9, and the limiting screw 9 can prevent the upper plate 4 from being pulled up too much and separated from the guide column 101, and when the upper plate 4 needs to be replaced, the screw is unscrewed, and the upper plate 4 is pushed upwards to be separated from the guide column 101.

[0026] Preferably, referring to Figure 1 、 Figure 4 , the inward side of the push block 2 is provided with a pressing block 8, the pressing block 8 is arranged in the second rectangular slot 401, the bottom of the pressing block 8 is provided with an inclined surface 801, and the bottom of the inclined surface 801 is inclined towards the push block 2, when the push block 2 abuts against the two sides of the circuit board 3 placed on the lower plate 1 and the upper plate 4 presses the circuit board 3, the inclined surface 801 abuts against the top of the upper plate 4 to lower the upper plate 4 and press the circuit board 3, and no additional pressing device is needed to press the upper plate 4.

[0027] The above merely lists some embodiments of the present application and is not intended to limit the present application.

Claims

1. A fixture for circuit board manufacturing, characterized in that, include: The lower plate (1) has two pairs of guide posts (101) on its top. Both ends of the lower plate (1) have a first rectangular groove (102) along the length direction. Push blocks (2) are slidably arranged in the first rectangular groove (102). The two push blocks (2) are arranged to move towards or away from each other along the length direction of the lower plate (1). The top of the push block (2) protrudes from the top of the lower plate (1) and is used to clamp the circuit board (3) placed on the lower plate (1). A baffle (103) is provided on one side of the top of the lower plate (1). The length direction of the baffle (103) is parallel to the length direction of the lower plate (1). The upper plate (4) is parallel to the lower plate (1) and is slidably connected to the guide post (101). The two ends of the upper plate (4) are provided with a second rectangular groove (401) that matches the shape of the first rectangular groove (102). The top of the upper plate (4) is provided with a strip-shaped through groove (402). The baffle (103) is slidably disposed in the strip-shaped through groove (402). The upper plate (4) is provided with multiple vertical through holes (403) for the alignment of the circuit board (3) with the router holes.

2. The fixture for circuit board manufacturing according to claim 1, characterized in that, A screw (5) is threaded through the lower plate (1) along its length. The two ends of the screw (5) have threads with opposite directions of rotation. One end of the screw (5) is connected to the output shaft of a drive motor (6). Two push blocks (2) are threaded to the two ends of the screw (5) respectively.

3. The fixture for circuit board manufacturing according to claim 2, characterized in that, The first rectangular groove (102) is provided with a connecting plate (7) at the outward end, and the two ends of the screw (5) are rotatably connected to the two connecting plates (7) respectively.

4. The fixture for circuit board manufacturing according to claim 1, characterized in that, A pressure block (8) is provided on the inward side of the push block (2). The pressure block (8) is located in the second rectangular groove (401). The bottom of the pressure block (8) has a slope (801). The bottom of the slope (801) is inclined towards the push block (2). When the push block (2) abuts against both sides of the circuit board (3) placed on the lower plate (1) and the upper plate (4) presses the circuit board (3), the slope (801) abuts against the top of the upper plate (4).

5. The fixture for circuit board manufacturing according to claim 1, characterized in that, The top of each guide post (101) is threaded with a limit screw (9).