PCBA (Printed Circuit Board Assembly) casting die jig

Abstract

The utility model relates to the technical field of PCBA (Printed Circuit Board Assembly) casting die jigs, and discloses a PCBA casting die jig, which comprises a fixed table, a supporting block fixedly arranged at the bottom of the fixed table, and a casting die assembly arranged above the fixed table, and the casting die assembly comprises an extrusion mechanism fixedly arranged at the top of the fixed table, a positioning mechanism is arranged below the extrusion mechanism, the extrusion mechanism comprises a first side plate fixedly installed on the top of the side wall of the fixing table, a fixing block is fixedly installed on the side wall of the first side plate, a connecting block is fixedly installed on the side wall of the fixing block, and a movable block is movably installed on the inner wall of the side face of the connecting block through a hinge; by arranging the extrusion mechanism, the printed board body can be extruded through the extrusion block so as to improve the pressing effect of the device on the printed board body, and by arranging the positioning mechanism, the printed board body can be clamped and fixed through the clamping plate so as to improve the stability of the device in the process of pressing the printed board body.

Description

Technical Field

[0001] This utility model relates to the field of PCBA pressing fixture technology, specifically a PCBA pressing fixture. Background Technology

[0002] PCB, or Printed Circuit Board, is the support structure for electronic components. Before the advent of PCBs, interconnections between electronic components were achieved directly through wires. After the emergence of PCBs, electronic components were integrated onto a single substrate. The use of PCBs in electronic devices avoids errors from manual wiring due to the consistency of similar PCBs. It also enables automatic insertion or mounting of electronic components, automatic soldering, and automatic testing, ensuring the quality of electronic equipment, improving labor productivity, reducing costs, and facilitating maintenance.

[0003] Existing PCBA pressing fixtures typically involve an operator placing the printed circuit board (PCB) on a support platform and then pressing it down with the fixture to compress it. However, since PCBs vary in size and shape, and existing PCBA pressing fixtures lack a clamping and securing device, the PCB may shift during the pressing process, affecting the pressing effect. Therefore, we propose a new PCBA pressing fixture. Utility Model Content

[0004] The purpose of this utility model is to provide a PCBA pressing fixture that solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a PCBA pressing fixture, including a fixing table;

[0006] A support block fixedly installed at the bottom of the fixed platform;

[0007] And a pressing assembly disposed above the fixed platform, the pressing assembly including a pressing mechanism fixedly installed on the top of the fixed platform, and a positioning mechanism disposed below the pressing mechanism.

[0008] Preferably, the extrusion mechanism includes a side plate fixedly installed on the top of the side wall of the fixed platform. A fixing block is fixedly installed on the side wall of the side plate. A connecting block is fixedly installed on the side wall of the fixing block. A movable block is hingedly installed on the inner side wall of the connecting block. A gripping rod is fixedly installed on the side wall of the movable block. A connecting member is hingedly installed on the bottom side wall of the movable block. A square block is hingedly installed on the bottom side wall of the connecting member. A pull rod is fixedly installed on the bottom of the square block. A collar is slidably connected to the outer wall of the pull rod. The outer wall of the collar is fixedly connected to the bottom side wall of the connecting block. A movable block is fixedly installed on the bottom of the pull rod. A connecting column is fixedly installed on the bottom of the movable block. An extrusion block is fixedly installed on the bottom of the connecting column. A limit block is fixedly installed on the outer wall of the extrusion block. A limit rod is slidably connected to the inner wall of the limit block. The bottom of the limit rod is fixedly connected to the top of the fixed platform. The top of the limit rod is fixedly... Side plate two is installed, and the side wall of side plate two is fixedly connected to the side wall of side plate one. A buffer spring is fixedly installed at the bottom of the limiting block, and the other end of the buffer spring is fixedly connected to the top of the fixed platform. By setting up a pressing mechanism, when it is necessary to press the printed circuit board body, the operator can hold the handle and then press down the handle, so that the handle moves the movable block and rotates. During the rotation of the movable block, it will press the connecting piece, so that the connecting piece presses the square block downward. After the square block is pressed downward, it will press the pull rod, so that the pull rod slides on the inner wall of the collar. After the pull rod is pressed down, it will press the connecting column and the pressing block, so that the pressing block presses the printed circuit board body, thereby achieving the pressing effect of the device on the printed circuit board body. During the movement of the pressing block, it will move the limiting block along the outer wall of the limiting rod. During the movement of the limiting block, it will press the buffer spring, which can buffer the pressing block during the movement.

[0009] Preferably, the positioning mechanism includes a vertical plate fixedly installed on the top of the fixed platform. A bidirectional threaded rod is rotatably connected to the side wall of the vertical plate. A sleeve block is threadedly connected to the outer wall of the bidirectional threaded rod. An adjusting handle is fixedly installed on the middle outer wall of the bidirectional threaded rod. A support rod is hingedly mounted on the top of the sleeve block. A support platform is hingedly mounted on the other end of the support rod. A T-slot is formed on the inner wall of the top of the support platform. A compression spring is fixedly installed on the inner wall of the T-slot. A T-block is fixedly installed on the other end of the compression spring. The outer wall of the T-block is slidably connected to the inner wall of the T-slot. A clamping plate is fixedly installed on the top of the T-block. A printed circuit board body is slidably connected to the side wall of the clamping plate. The bottom of the printed circuit board body is slidably connected to the top of the support platform. The connection, through the setting of a positioning mechanism, allows the operator to press the clamping plate when it is necessary to press the printed circuit board body. The clamping plate, along with the T-block, compresses the compression spring. The printed circuit board body can then be placed on top of the support platform. Under the reaction force of the compression spring, the T-block and clamping plate will pop out, allowing the clamping plate to clamp and fix the printed circuit board body. This fixation of the printed circuit board body improves the stability during the pressing process. Subsequently, by rotating the adjustment handle, the double-threaded rod will rotate. During the rotation of the double-threaded rod, the socket block will move. During the movement of the socket block, the support rod will rotate to lift the support platform, thereby adjusting the pressing height of the printed circuit board body.

[0010] Preferably, there are four support blocks of equal size, which are fixedly installed at equal intervals at the four corners of the bottom of the fixed platform. This arrangement allows the support blocks to support the device and improve its stability during the pressing process.

[0011] Preferably, there are two limiting rods, both of equal size, symmetrically distributed on both sides of the center plane of the extrusion block. With this arrangement, the extrusion block can be limited by the limiting blocks on the outer wall of the limiting rods.

[0012] Preferably, the outer wall of the T-shaped block is adapted to the inner wall of the T-shaped groove.

[0013] This utility model provides a PCBA pressing fixture. This PCBA pressing fixture has the following advantages:

[0014] (1) The PCBA pressing fixture is equipped with a pressing mechanism. When it is necessary to press the printed circuit board body, the operator can hold the handle and then press down the handle to make the handle rotate with the movable block. During the rotation of the movable block, the connector will be pressed, and the connector will press down on the square block. After the square block is pressed down, the pull rod will be pressed, and the pull rod will slide on the inner wall of the collar. After the pull rod is pressed down, the connecting column and the pressing block will be pressed, and the pressing block will press the printed circuit board body to achieve the pressing effect of the device on the printed circuit board body. During the movement of the pressing block, the limiting block will slide on the outer wall of the limiting rod. During the movement of the limiting block, the buffer spring will be pressed. The buffer spring can buffer the pressing block during the movement.

[0015] (2) The PCBA pressing fixture, by setting a positioning mechanism, allows the operator to press the clamping plate when it is necessary to press the printed circuit board body. The clamping plate, along with the T-block, will compress the compression spring. The printed circuit board body can then be placed on top of the support platform. Under the reaction of the compression spring, the T-block and clamping plate will pop out, allowing the clamping plate to clamp and fix the printed circuit board body. This fixes the printed circuit board body and improves the stability during the pressing process. Then, the adjustment handle can be rotated to rotate the bidirectional threaded rod. During the rotation of the bidirectional threaded rod, the socket block will move. During the movement of the socket block, the support platform will be lifted by the rotation of the support rod, thereby adjusting the pressing height of the printed circuit board body. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a PCBA pressing fixture according to the present invention;

[0017] Figure 2 This is a schematic diagram of the internal pressing component assembly of a PCBA pressing fixture according to the present invention;

[0018] Figure 3 This is a schematic diagram of the internal extrusion mechanism of a PCBA pressing fixture according to the present invention;

[0019] Figure 4 This is a partially enlarged view of a PCBA pressing fixture along direction A according to this utility model;

[0020] Figure 5 This is a schematic diagram of the internal positioning mechanism of a PCBA pressing fixture according to the present invention;

[0021] Figure 6 This is a partial structural diagram of the internal positioning mechanism of a PCBA pressing fixture according to the present invention.

[0022] In the diagram: 1. Fixed platform; 2. Support block; 3. Pressing component assembly; 31. Extrusion mechanism; 311. Side plate one; 312. Fixed block; 313. Connecting block; 314. Movable block; 315. Handle; 316. Connector; 317. Square block; 318. Pull rod; 319. Collar; 3110. Moving block; 3111. Connecting column; 3112. Extrusion block; 3113. Limiting block; 3114. Limiting rod; 3115. Side plate two; 3116. Buffer spring; 32. Positioning mechanism; 321. Vertical plate; 322. Bidirectional threaded rod; 323. Sleeve block; 324. Support rod; 325. Adjusting handle; 326. Support platform; 327. T-slot; 328. Extrusion spring; 329. T-block; 3210. Clamping plate; 3211. Printed circuit board body. Detailed Implementation

[0023] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0024] Example 1

[0025] A preferred embodiment of the PCBA pressing fixture provided by this utility model is as follows: Figures 1 to 6 As shown: A PCBA pressing fixture includes a fixed platform 1;

[0026] Support block 2 is fixedly installed at the bottom of fixed platform 1;

[0027] The device also includes a pressing assembly 3 mounted above the fixed platform 1. The pressing assembly 3 includes a pressing mechanism 31 fixedly mounted on the top of the fixed platform 1. A positioning mechanism 32 is provided below the pressing mechanism 31. By setting the pressing mechanism 31, the printed circuit board body 3211 can be pressed by the pressing block 3112 to improve the pressing effect of the device on the printed circuit board body 3211. By setting the positioning mechanism 32, the printed circuit board body 3211 can be clamped and fixed by the clamping plate 3210 to improve the stability of the device in the pressing process of the printed circuit board body 3211.

[0028] The extrusion mechanism 31 includes a side plate 311 fixedly mounted on the top of the side wall of the fixed platform 1. A fixing block 312 is fixedly mounted on the side wall of the side plate 311. A connecting block 313 is fixedly mounted on the side wall of the fixing block 312. A movable block 314 is hingedly mounted on the inner side wall of the connecting block 313. A handle 315 is fixedly mounted on the side wall of the movable block 314. A connector 316 is hingedly mounted on the bottom side wall of the movable block 314. A square block 317 is hingedly mounted on the bottom side wall of the connector 316. A pull rod 318 is fixedly mounted on the bottom of the square block 317. A collar 319 is slidably connected to the outer wall of the pull rod 318. The outer wall of the collar 319 is fixedly connected to the bottom side wall of the connecting block 313. Next, a movable block 3110 is fixedly installed at the bottom of the pull rod 318, a connecting column 3111 is fixedly installed at the bottom of the movable block 3110, a pressing block 3112 is fixedly installed at the bottom of the connecting column 3111, a limiting block 3113 is fixedly installed on the outer wall of the pressing block 3112, a limiting rod 3114 is slidably connected to the inner wall of the limiting block 3113, the bottom of the limiting rod 3114 is fixedly connected to the top of the fixed platform 1, a second side plate 3115 is fixedly installed on the top of the limiting rod 3114, the side wall of the second side plate 3115 is fixedly connected to the side wall of the first side plate 311, a buffer spring 3116 is fixedly installed at the bottom of the limiting block 3113, and the other end of the buffer spring 3116 is fixedly connected to the top of the fixed platform 1.

[0029] In this embodiment, by setting up the extrusion mechanism 31, when it is necessary to extrude the printed circuit board body 3211, the operator can hold the handle 315 and then press down on the handle 315, causing the handle 315 to rotate along with the movable block 314. During the rotation of the movable block 314, it will extrude the connector 316, causing the connector 316 to press down on the square block 317. After the square block 317 is pressed down, it will extrude the pull rod 318, causing the pull rod 318 to slide on the inner wall of the collar 319. After pressing down, the connecting column 3111 and the pressing block 3112 will be squeezed, so that the pressing block 3112 squeezes the printed circuit board body 3211 to achieve the pressing effect of the device on the printed circuit board body 3211. During the movement of the pressing block 3112, it will slide along the outer wall of the limiting rod 3114 with the limiting block 3113. During the movement of the limiting block 3113, it will squeeze the buffer spring 3116. The buffer spring 3116 can buffer the pressing block 3112 during the movement.

[0030] Example 2

[0031] Based on Embodiment 1, a preferred embodiment of the PCBA pressing fixture provided by this utility model is as follows: Figures 1 to 6As shown: The positioning mechanism 32 includes a vertical plate 321 fixedly installed on the top of the fixed platform 1. A bidirectional threaded rod 322 is rotatably connected to the side wall of the vertical plate 321. A sleeve block 323 is threadedly connected to the outer wall of the bidirectional threaded rod 322. An adjusting handle 325 is fixedly installed on the middle outer wall of the bidirectional threaded rod 322. A support rod 324 is hingedly installed on the top of the sleeve block 323. A support platform 326 is hingedly installed on the other end of the support rod 324. The top inner wall of 6 is provided with a T-slot 327. A compression spring 328 is fixedly installed on the inner wall of the T-slot 327. A T-block 329 is fixedly installed on the other end of the compression spring 328. The outer wall of the T-block 329 is slidably connected to the inner wall of the T-slot 327. A clamping plate 3210 is fixedly installed on the top of the T-block 329. A printed circuit board body 3211 is slidably connected to the side wall of the clamping plate 3210. The bottom of the printed circuit board body 3211 is slidably connected to the top of the support platform 326.

[0032] In this embodiment, by setting the positioning mechanism 32, when it is necessary to press the printed circuit board body 3211, the operator can press the clamping plate 3210, causing the clamping plate 3210 to press the T-block 329, which in turn compresses the compression spring 328. Then, the printed circuit board body 3211 can be placed on top of the support platform 326. Under the reaction force of the compression spring 328, the T-block 329 and the clamping plate 3210 will pop out, allowing the clamping plate 3210 to press the printed circuit board body 3211. The clamping and fixing mechanism can fix the printed circuit board body 3211, thereby improving the stability of the printed circuit board body 3211 during the pressing process. Then, by rotating the adjusting handle 325, the adjusting handle 325 will rotate along the bidirectional threaded rod 322. During the rotation of the bidirectional threaded rod 322, the socket block 323 will move. During the movement of the socket block 323, the support rod 324 will rotate to support the support platform 326, thereby adjusting the pressing height of the printed circuit board body 3211.

[0033] Furthermore, there are four support blocks 2, all of equal size, which are fixedly installed at equal intervals at the four corners of the bottom of the fixed platform 1. This arrangement allows the support blocks 2 to support the device, thereby improving the stability of the device during the pressing process.

[0034] Furthermore, there are two limiting rods 3114, both of equal size, symmetrically distributed on both sides of the center plane of the extrusion block 3112. With this arrangement, the extrusion block 3112 can be limited by the limiting block 3113 on the outer wall of the limiting rod 3114.

[0035] In addition, the outer wall of the T-block 329 is adapted to the inner wall of the T-slot 327.

[0036] Working principle: When it is necessary to press the printed circuit board body 3211, the operator can press the clamping plate 3210, causing the clamping plate 3210 to compress the T-block 329, which in turn compresses the compression spring 328. Then, the printed circuit board body 3211 can be placed on top of the support platform 326. Under the reaction force of the compression spring 328, the T-block 329 and clamping plate 3210 will pop out, allowing the clamping plate 3210 to clamp and fix the printed circuit board body 3211. This allows for the fixation of the printed circuit board body 3211, improving stability during the pressing process. Subsequently, rotating the adjusting handle 325 causes the bidirectional threaded rod 322 to rotate. During this rotation, the threaded rod 322 moves the socket block 323, which in turn moves the support rod 324, lifting the support platform 326. This allows for adjustment of the pressing height of the printed circuit board body 3211. When it is necessary to press the printed circuit board body 3211, the operator can hold the handle 315 and then press down on the handle 315, causing the handle 315 to rotate along with the movable block 314. During the rotation of the movable block 314, it will press the connector 316, causing the connector 316 to press the square block 317 downward. After the square block 317 is pressed downward, it will press the pull rod 318, causing the pull rod 318 to slide on the inner wall of the collar 319. After the pull rod 318 is pressed down, it will press the connector 316. The column 3111 and the extrusion block 3112 extrude each other, so that the extrusion block 3112 extrudes the printed circuit board body 3211 to achieve the pressing effect of the device on the printed circuit board body 3211. During the movement of the extrusion block 3112, it will slide along the outer wall of the limit rod 3114 with the limit block 3113. During the movement of the limit block 3113, it will extrude the buffer spring 3116. The buffer spring 3116 can buffer the extrusion block 3112 during the movement.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A PCBA pressing fixture, comprising a fixing table (1); A support block (2) is fixedly installed at the bottom of the fixed platform (1); And the pressure assembly (3) disposed above the fixed platform (1), characterized in that: The pressing assembly (3) includes a pressing mechanism (31) fixedly installed on the top of the fixed platform (1), and a positioning mechanism (32) is provided below the pressing mechanism (31).

2. The PCBA pressing fixture according to claim 1, characterized in that: The extrusion mechanism (31) includes a side plate (311) fixedly installed on the top of the side wall of the fixed platform (1). A fixing block (312) is fixedly installed on the side wall of the side plate (311). A connecting block (313) is fixedly installed on the side wall of the fixing block (312). A movable block (314) is hingedly installed on the inner side wall of the connecting block (313). A handle (315) is fixedly installed on the side wall of the movable block (314). A connector (316) is hingedly installed on the bottom side wall of the movable block (314). A square block (317) is hingedly installed on the bottom side wall of the connector (316). A pull rod (318) is fixedly installed on the bottom of the square block (317). A collar (319) is slidably connected to the outer wall of the pull rod (318). The outer wall of the collar (319) is fixed to the bottom side wall of the connecting block (313). The bottom of the pull rod (318) is fixedly equipped with a moving block (3110), the bottom of the moving block (3110) is fixedly equipped with a connecting column (3111), the bottom of the connecting column (3111) is fixedly equipped with a pressing block (3112), the outer wall of the pressing block (3112) is fixedly equipped with a limiting block (3113), the inner wall of the limiting block (3113) is slidably connected with a limiting rod (3114), the bottom of the limiting rod (3114) is fixedly connected to the top of the fixed platform (1), the top of the limiting rod (3114) is fixedly equipped with a second side plate (3115), the side wall of the second side plate (3115) is fixedly connected to the side wall of the first side plate (311), the bottom of the limiting block (3113) is fixedly equipped with a buffer spring (3116), and the other end of the buffer spring (3116) is fixedly connected to the top of the fixed platform (1).

3. A PCBA pressing fixture according to claim 1, characterized in that: The positioning mechanism (32) includes a vertical plate (321) fixedly installed on the top of the fixed platform (1). A bidirectional threaded rod (322) is rotatably connected to the side wall of the vertical plate (321). A sleeve block (323) is threadedly connected to the outer wall of the bidirectional threaded rod (322). An adjusting handle (325) is fixedly installed on the middle outer wall of the bidirectional threaded rod (322). A support rod (324) is hingedly installed on the top of the sleeve block (323). A support platform (326) is also hingedly installed on the other end of the support rod (324). 6) has a T-shaped groove (327) on its top inner wall. A compression spring (328) is fixedly installed on the inner wall of the T-shaped groove (327). A T-shaped block (329) is fixedly installed on the other end of the compression spring (328). The outer wall of the T-shaped block (329) is slidably connected to the inner wall of the T-shaped groove (327). A clamping plate (3210) is fixedly installed on the top of the T-shaped block (329). A printed circuit board body (3211) is slidably connected to the side wall of the clamping plate (3210). The bottom of the printed circuit board body (3211) is slidably connected to the top of the support platform (326).

4. A PCBA pressing fixture according to claim 1, characterized in that: There are four support blocks (2), all of which are the same size and are fixedly installed at the four corners of the bottom of the fixed platform (1) at equal intervals.

5. A PCBA pressing fixture according to claim 2, characterized in that: There are two limiting rods (3114), both of which are of equal size and are symmetrically distributed on both sides of the center plane of the extrusion block (3112).

6. A PCBA pressing fixture according to claim 3, characterized in that: The outer wall of the T-block (329) is adapted to the inner wall of the T-groove (327).

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