Printed circuit board positioning jig

Abstract

The utility model discloses a printed circuit board positioning jig, which comprises a base, a base, concave sliding blocks, a connecting plate, a movable sliding block, a mounting block and a movable plate, the base is mounted on the base, the concave sliding blocks are mounted on two side edges of the base in a sliding manner, the connecting plate is mounted between the two groups of concave sliding blocks, and the movable sliding block is mounted on the mounting block. A fixing piece A is installed on the concave sliding block in a threaded mode, a sliding strip is installed on the connecting plate, a sliding groove is formed in the movable sliding block, the sliding groove is in sliding connection with the sliding strip, a fixing piece B is installed on the movable sliding block in a threaded mode, an installation rod is installed on the movable sliding block, and a threaded rod is installed in the installation rod in a threaded mode. A spring column is installed at one end of the threaded rod, and a positioning plate is installed at one end of the spring column. According to the positioning jig, the requirement for fixing the special-shaped circuit board is met, the flexible circuit board can be fixed and protected, the flexible circuit board is prevented from being damaged, the requirement for fixing various circuit boards is met, and the application range and practicability of the positioning jig are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of circuit board positioning jig, concretely to a printed circuit board positioning jig. BACKGROUND

[0002] When producing the printed circuit board, the printed circuit board is usually placed on a carrier first, then a tin paste layer is coated on the printed circuit board where the electronic components need to be welded, the pins of the electronic components are then placed on the tin paste, and finally a welding machine is used to weld the pins so that the electronic components are welded on the printed circuit board to achieve the fixing effect of electrical connection, which requires the use of a positioning jig.

[0003] After searching, the application number CN116639481A discloses a quick positioning jig for circuit board processing, a pressure roller, a winding roller and a ratchet wheel are fixed on the rotating shaft; a pressing plate assembly is fixed on the surface of the pressure roller on the lifting shaft; a steel cable is fixed on one end of the guide shaft; a push block is fixed on the other end of the guide shaft through a connecting plate; the two ends of the first spring are tightly pressed against the guide sleeve and the push block respectively; the end of the steel cable is wound around the winding roller; a pawl swing lever is fixed on the rotating shaft; the end of the pawl swing lever is provided with a pawl matched with the ratchet wheel; the other end of the pressing sliding shaft is attached to the upper surface of the end of the pawl swing lever away from the pawl. When using the present application, it can be applied to the flow line of circuit board production, enriching the use scene of the jig, the clamping action is simple, and the clamping efficiency is higher; in addition to making the clamping of the circuit board more stable, it can also avoid the deformation of the clamped circuit board, and improve the processing quality of the circuit board.

[0004] The technical solution in the application file still has the following problems: in actual use, circuit boards are divided into regular circuit boards, flexible circuit boards and special-shaped circuit boards according to the type of use, which cannot meet the fixing of special-shaped circuit boards, and lack of elastic protection structure for flexible circuit boards, which causes damage to the circuit board, cannot meet the fixing of various circuit boards, and reduces the application range and practicality of the positioning jig. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a printed circuit board positioning jig to solve the problems in the above background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a printed circuit board positioning fixture, comprising a base, a base plate, a concave slider, a connecting plate, a movable slider, a mounting block, and a movable plate. The base plate is mounted on the base plate, and concave sliders are slidably mounted on both sides of the base plate. A connecting plate is installed between two sets of concave sliders. A fixing piece A is threaded onto the concave slider. A slide bar is mounted on the connecting plate. A sliding groove is formed on the movable slider, and the groove is slidably connected to the slide bar. A fixing piece B is threaded onto the movable slider. An mounting rod is mounted on the movable slider, and a threaded rod is threaded into the mounting rod. A spring post is mounted at one end of the threaded rod, and a positioning plate is mounted at one end of the spring post.

[0007] Using the above technical solution, after placing the circuit board on the base mounted on the base, the concave sliders slidably mounted on both sides of the base move the connecting plates mounted between the two sets of concave sliders left and right. By rotating the fixing piece A threaded on the concave slider, the two connecting plates are fixed. After adjusting the distance between the two connecting plates according to the size of the circuit board, the positioning plate mounted at one end of the adjusting spring post abuts against the side of the circuit board. According to the shape of the irregular circuit board, the sliding slider is adjusted to slide on the slide bar. By rotating the fixing piece B threaded on the sliding slider, the sliding slider is fixed. The number of sliding sliders can be increased or decreased according to the shape of the circuit board. By rotating the threaded rod threaded in the mounting rod, the positioning plate abuts against the edge of the irregular circuit board, thus meeting the fixing requirements of the irregular circuit board. The spring post installed between the threaded rod and the positioning plate, together with the air cushion installed on one side of the positioning plate, can fix and protect the flexible circuit board, avoiding damage to the flexible circuit board. It meets the fixing requirements of various circuit boards and improves the applicability and practicality of the positioning fixture.

[0008] Preferably, the connecting plate is provided with a slide rail, the bottom of the mounting block is provided with an auxiliary slider, the auxiliary slider is slidably connected to the slide rail, a movable plate is rotatably mounted on the mounting block, a screw rod is threadedly mounted on the movable plate, and a rubber sheet is mounted on one end of the screw rod.

[0009] Using the above technical solution, the movable mounting block allows the auxiliary slider mounted on its bottom to slide in the slide rail opened on the connecting plate. The position and number of mounting blocks can be adjusted as needed. By rotating the movable plate mounted on the mounting block, the movable plate can be rotated to the top of the circuit board as needed. Then, the screw rod threaded on the movable plate is rotated, causing the rubber sheet mounted on one end of the screw rod to move up and down, thereby pressing and fixing the circuit board. This increases the positioning methods of the circuit board, allowing for multiple methods of fixing the circuit board according to its shape or the operator's usage habits.

[0010] Preferably, a threaded hole is formed in the table top of the base, a screw rod is threadedly installed in the threaded hole, and a fixing cap is installed at the top end of the screw rod.

[0011] By inserting the screw rod into the threaded hole and rotating the screw rod, the fixing cap installed at the top end of the screw rod is lowered, and the bottom surface of the fixing cap presses and fixes the edge of the circuit board, thereby increasing the positioning method of the circuit board.

[0012] Preferably, a fixing hole is formed in the connecting plate, and a fixing rod is inserted into the mounting block.

[0013] By inserting the fixing rod into the fixing hole after the mounting block is moved to the required position, the mounting block is fixed.

[0014] Preferably, an air cushion is installed on one side surface of the positioning plate.

[0015] By installing the air cushion on one side surface of the positioning plate, damage to the circuit board during positioning is avoided.

[0016] Preferably, the auxiliary block installed on the concave-shaped sliding block is in sliding connection with the groove formed in the base.

[0017] By installing the auxiliary block on the concave-shaped sliding block and slidingly connecting the auxiliary block with the groove formed in the base, the stability of the concave-shaped sliding block during movement is ensured.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1. By adjusting the distance between the two connecting plates, the positioning plate installed at one end of the adjusting spring column abuts against the side edge of the circuit board, the moving sliding block is adjusted to slide on the sliding bar according to the shape of the special-shaped circuit board, the number of moving sliding blocks can be increased or decreased according to the shape of the circuit board, the positioning plate abuts against the edge of the special-shaped circuit board by rotating the threaded rod installed in the mounting rod, the fixing requirement of the special-shaped circuit board is met, the flexible circuit board is fixed and protected by the spring column installed between the threaded rod and the positioning plate and the air cushion installed on one side surface of the positioning plate, damage to the flexible circuit board is avoided, the fixing of various circuit boards is met, and the application range and practicality of the positioning fixture are improved.

[0020] 2, by adjusting the position and quantity of mounting block, the moving plate is rotated to the upper side of the circuit board according to the requirement, then the screw rod is rotated on the moving plate, the rubber sheet installed on the one end of the screw rod is moved up and down, the circuit board is fixed by pressing plate, the screw rod is inserted into the threaded hole and rotated through the threaded hole opened on the base table, the fixed cap installed on the top end of the screw rod is moved down, the bottom surface of the fixed cap is pressed down to the edge of the circuit board, the positioning method of the circuit board is increased, the circuit board can be fixed by multiple methods according to the shape of the circuit board or the use habit of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is the sectional structure schematic view of the utility model;

[0023] Figure 3 It is the side structure schematic view of the utility model;

[0024] Figure 4 It is the enlarged schematic view of the positioning structure of the utility model.

[0025] In the drawing: 1, base; 2, base; 3, threaded hole; 4, screw rod; 5, fixed cap; 6, concave slide block; 7, fixed sheet A; 8, auxiliary block; 9, connecting plate; 10, slide bar; 11, moving slide block; 12, fixed sheet B; 13, mounting rod; 14, threaded rod; 15, spring column; 16, positioning plate; 17, mounting block; 18, fixed rod; 19, moving plate; 20, screw rod; 21, rubber sheet; 22, sliding groove; 23, fixed hole; 24, auxiliary slide block; 25, slide rail. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Please refer to Figures 1-4The utility model provides an embodiment: a kind of printed circuit board positioning fixture, including pedestal 1, base 2, concave slide 6, connecting plate 9, mobile slider 11, mounting block 17 and moving plate 19, the base 1 is installed with base 2, the concave slide 6 is slidably installed on the two side edges of base 2, and connecting plate 9 is installed between two groups of concave slide 6, fixed piece A7 is threadedly installed on the concave slide 6, sliding strip 10 is installed on the connecting plate 9, sliding groove 22 is formed in mobile slider 11, and sliding groove 22 is slidably connected with sliding strip 10, fixed piece B12 is threadedly installed on the mobile slider 11, mounting rod 13 is installed on the mobile slider 11, threaded rod 14 is threadedly installed in mounting rod 13, spring column 15 is installed at one end of threaded rod 14, and positioning plate 16 is installed at one end of spring column 15.Circuit board is placed on the base 2 installed on pedestal 1, and then the concave slide 6 slidably installed on the two side edges of base 2 is moved, the connecting plate 9 installed between two groups of concave slide 6 is driven to move left and right, the fixed piece A7 threadedly installed on the concave slide 6 is rotated, so that the two connecting plates 9 are fixed, after the distance between the two connecting plates 9 is adjusted according to the size of circuit board, the positioning plate 16 installed at one end of spring column 15 is made to abut against the side edge of circuit board, the moving plate 19 is slid on sliding strip 10 according to the shape of special-shaped circuit board, the fixed piece B12 threadedly installed on the mobile slider 11 is rotated, the mobile slider 11 is fixed, the number of mobile slider 11 can be added or reduced according to the shape of circuit board, the threaded rod 14 threadedly installed in mounting rod 13 is rotated, the positioning plate 16 is adjusted to abut against the edge of special-shaped circuit board, the fixing requirement of special-shaped circuit board is met, the spring column 15 installed between threaded rod 14 and positioning plate 16 cooperates with the air cushion installed on one side of positioning plate 16, can fix and protect flexible circuit board, avoid damaging flexible circuit board, meet the fixing of various circuit boards, improve the application range and practicality of positioning fixture.

[0028] Sliding rail 25 is formed in the connecting plate 9, auxiliary slider 24 is installed at the bottom of mounting block 17, auxiliary slider 24 is slidably connected with sliding rail 25, moving plate 19 is rotatably installed on the mounting block 17, screw rod 20 is threadedly installed on the moving plate 19, and rubber piece 21 is installed at one end of screw rod 20.Mounting block 17 is moved so that the auxiliary slider 24 installed at the bottom thereof is slid in the sliding rail 25 formed in the connecting plate 9, the position and number of mounting block 17 are adjusted as required, the moving plate 19 is rotated above circuit board as required by rotating the moving plate 19 installed on mounting block 17, then the screw rod 20 threadedly installed on the moving plate 19 is rotated, so that the rubber piece 21 installed at one end of screw rod 20 moves up and down, and circuit board is fixed by pressing plate, the positioning method of circuit board is increased, and circuit board can be fixed by various methods according to the shape of circuit board or the use habit of operator.

[0029] The base 2 is provided with a threaded hole 3 on the table top, a screw rod 4 is screwed in the threaded hole 3, and a fixing cap 5 is installed on the top end of the screw rod 4. By inserting the screw rod 4 into the threaded hole 3 on the base 2 table top and rotating, the fixing cap 5 installed on the top end of the screw rod 4 is lowered, and the bottom surface of the fixing cap 5 is pressed against the edge of the circuit board to increase the positioning method of the circuit board. The circuit board can be fixed in multiple ways according to the shape of the circuit board or the use habits of the operator. By opening the fixing hole 23 on the connecting plate 9 and cooperating with the fixed rod 18 inserted on the mounting block 17, the mounting block 17 is moved to the required position, and then the fixed rod 18 is inserted into the fixing hole 23 to fix the mounting block 17.

[0030] The connecting plate 9 is provided with a fixing hole 23, and the mounting block 17 is provided with a fixed rod 18. By opening the fixing hole 23 on the connecting plate 9 and cooperating with the fixed rod 18 inserted on the mounting block 17, the mounting block 17 is moved to the required position, and then the fixed rod 18 is inserted into the fixing hole 23 to fix the mounting block 17.

[0031] The positioning plate 16 is provided with an air cushion on one side, which avoids damage to the circuit board during positioning.

[0032] The auxiliary block 8 installed on the concave slider 6 is in sliding connection with the groove on the base 2. By sliding the auxiliary block 8 installed on the concave slider 6 with the groove on the base 2, the stability of the concave slider 6 during movement is ensured.

[0033] Work principle: after the circuit board is placed on the base 2 installed on the base 1, the concave slider 6 installed on both sides of the base 2 is moved, the connecting plate 9 installed between the two concave sliders 6 is driven to move left and right, the fixed plate A 7 threaded on the concave slider 6 is rotated, the two connecting plates 9 are fixed, the distance between the two connecting plates 9 is adjusted according to the size of the circuit board, the positioning plate 16 installed at one end of the adjusting spring column 15 is abutted with the side edge of the circuit board, the number of the moving slider 11 is adjusted according to the shape of the special-shaped circuit board, the fixed plate B 12 threaded on the moving slider 11 is rotated, the moving slider 11 is fixed, the number of the moving slider 11 can be increased or decreased according to the shape of the circuit board, the threaded rod 14 threaded in the installation rod 13 is rotated, the positioning plate 16 is abutted with the edge of the special-shaped circuit board, the fixing requirement of the special-shaped circuit board is met, the spring column 15 installed between the threaded rod 14 and the positioning plate 16 cooperates with the air cushion installed on one side of the positioning plate 16, the flexible circuit board can be fixed and protected, the flexible circuit board is prevented from being damaged, the fixing of various circuit boards is met, the application range and practicability of the positioning jig are improved, the auxiliary slider 24 installed at the bottom of the moving installation block 17 is slid in the slide rail 25 opened in the connecting plate 9, the position and number of the installation block 17 are adjusted according to the requirement, the moving plate 19 is rotated to the upper side of the circuit board according to the requirement by rotating the moving plate 19 installed on the installation block 17, then the screw rod 20 threaded on the moving plate 19 is rotated, the rubber piece 21 installed at one end of the screw rod 20 moves up and down, the circuit board is fixed by pressing plate, the fixed cap 5 installed at the top end of the lead screw 4 is lowered by inserting the lead screw 4 into the threaded hole 3 opened in the table top of the base 2 and rotating, the bottom surface of the fixed cap 5 presses and fixes the edge of the circuit board, the positioning method of the circuit board is increased, the circuit board can be fixed by various methods according to the shape of the circuit board or the use habit of the operator.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they are involved.

Claims

1. A printed circuit board positioning jig comprising a base (1), a bottom seat (2), a concave slider (6), a connecting plate (9), a moving slider (11), a mounting block (17) and a moving plate (19), characterized in that: The base (1) is provided with a base (2), the both sides of the base (2) are provided with concave sliding blocks (6), the both sides of the base (2) are provided with connecting plates (9), the concave sliding blocks (6) are provided with fixed pieces A (7), the connecting plates (9) are provided with sliding strips (10), the sliding blocks (11) are provided with sliding grooves (22), the sliding grooves (22) are slidably connected with the sliding strips (10), the sliding blocks (11) are provided with fixed pieces B (12), the sliding blocks (11) are provided with mounting rods (13), the mounting rods (13) are provided with threaded rods (14), one end of the threaded rods (14) is provided with spring columns (15), one end of the spring columns (15) is provided with positioning plates (16).

2. The printed circuit board positioning fixture of claim 1, wherein: The connecting plates (9) are provided with sliding rails (25), the mounting blocks (17) are provided with auxiliary sliding blocks (24), the auxiliary sliding blocks (24) are slidably connected with the sliding rails (25), the mounting blocks (17) are rotatably provided with moving plates (19), the moving plates (19) are provided with screw rods (20), one end of the screw rods (20) is provided with rubber pieces (21).

3. The printed circuit board positioning fixture of claim 1, wherein: The base (2) is provided with a threaded hole (3), the threaded hole (3) is provided with a screw rod (4), one end of the screw rod (4) is provided with a fixed cap (5).

4. The printed circuit board positioning fixture of claim 1, wherein: The connecting plates (9) are provided with fixed holes (23), the mounting blocks (17) are provided with fixed rods (18).

5. The printed circuit board positioning fixture of claim 1, wherein: One side of the positioning plates (16) is provided with air cushions.

6. The printed circuit board positioning fixture of claim 1, wherein: The auxiliary blocks (8) slidably connected with the grooves of the base (2).

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