Positioning tool for welding integrated circuit board

Abstract

The utility model discloses a positioning tool for welding an integrated circuit board, which belongs to the field of circuit board welding and comprises a workbench and a positioning mechanism, the positioning mechanism comprises two sliding rods arranged on two sides of the workbench, the two sliding rods are respectively sleeved with a sliding sleeve in a sliding mode, and the sliding sleeves are arranged on the workbench. Two plastic pull ropes are connected between the two sliding sleeves located on the same sliding rod, and each sliding sleeve is connected with a pressing block. According to the utility model, the positioning mechanism is arranged, the sliding capacity of the sliding sleeves on the corresponding sliding rods and the characteristic that the plastic pull ropes are not stretchable are utilized, when the two pressing blocks on one side are pulled to one side through the pull rods, the two pressing blocks on the other side also move in the opposite directions, at the moment, a circuit board is placed among the four pressing blocks, and then the pull rods are slowly pushed back, so that the circuit board is fixed. And under the elastic force action of the two first springs, the four pressing blocks can move towards the original positions, the circuit board can be clamped by the four pressing blocks in the reset process, positioning of the circuit board is achieved, and the circuit board positioning device is suitable for positioning circuit boards of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field related to circuit board welding, in particular to a positioning tool used for integrated circuit board welding. Background Art

[0002] Integrated circuit board is a technology that integrates integrated circuits into a chip. It is an important component of electronic products. There are many small components on the integrated circuit board. These small components are usually soldered to the circuit board using welding technology. In order to ensure the accuracy of welding, the circuit board needs to be positioned using positioning tooling.

[0003] The existing positioning tooling has a relatively fixed position for clamping circuit boards. Different clamps are required to position circuit boards of different specifications. If the clamps are frequently replaced, the work efficiency will be greatly reduced. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides a positioning tool for integrated circuit board welding.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a positioning tool for integrated circuit board welding, comprising a workbench and a positioning mechanism, wherein the positioning mechanism comprises two slide bars arranged on both sides of the workbench, the two slide bars are slidably sleeved with slide sleeves, two plastic pull ropes are connected between the two slide sleeves on the same slide bar, and each slide sleeve is connected with a pressure block, and the same side ends of the two slide bars are provided with a first spring connected with the adjacent pressure block;

[0007] A bidirectional screw with one end connected to a turning handle is rotatably arranged below the workbench, screw barrels are threadedly sleeved on threads at both ends of the bidirectional screw, mounting seats are arranged on the two screw barrels, and rotatable pressure rods are arranged on the two mounting seats.

[0008] As a preferred technical solution of the utility model, four corners of the lower surface of the workbench are provided with height-adjustable supporting feet, and a sponge pad is provided at the center of the upper surface of the workbench.

[0009] As a preferred technical solution of the utility model, installation grooves are provided on both sides of the workbench, the two sliding rods are respectively located in the installation grooves on both sides, and the four sliding sleeves and the two first springs are located in the corresponding installation grooves, the four pressure blocks are located above the workbench, and a pull rod is connected between the two pressure blocks on the same side.

[0010] As a preferred technical solution of the utility model, the same side ends of the two first springs are provided with limiting grooves, and the two first springs are respectively located in the two limiting grooves, and the two sliding sleeves on the same side are provided with limiting rings for fixing the corresponding first springs.

[0011] As a preferred technical solution of the utility model, a rotating rod is provided on one side surface of the installation groove close to the first spring, the two plastic pull ropes on the same side are wound around the corresponding rotating rod, and rollers that contact the side walls of the corresponding installation grooves are provided on both sides of the four sliding sleeves.

[0012] As a preferred technical solution of the utility model, rod seats are provided on both sides of the workbench, the bidirectional screw is rotatably installed between the two rod seats, sliding grooves are opened at positions corresponding to the two rod seats on both sides of the workbench, and the two screw barrels are connected with sliding parts that slide in the corresponding sliding grooves, and the two mounting seats are respectively arranged at the upper ends of the two sliding parts.

[0013] As a preferred technical solution of the utility model, a push rod is connected to one side of the pressure rod, a rubber head is provided at the lower end of the pressure rod, a second spring is provided between the push rod and the corresponding mounting seat, a limit rod for limiting the position of the push rod is connected to the upper end of the mounting seat, both side plates of the mounting seat are provided with card beads, and card grooves are opened at positions on the push rod corresponding to the two card beads.

[0014] The beneficial effects of the utility model are:

[0015] 1. This positioning tool for integrated circuit board welding sets a positioning mechanism and utilizes the sliding ability of the sliding sleeve on the corresponding sliding rod and the non-stretchable characteristic of the plastic pull rope. When the two pressing blocks on one side are pulled to one side by the pull rod, the two pressing blocks on the other side will also move in the opposite direction. At this time, the circuit board is placed between the four pressing blocks, and then the pull rod is slowly pushed back. Under the elastic force of the two first springs, the four pressing blocks will move to the original position. During the resetting process, the four pressing blocks will clamp the circuit board to achieve the positioning of the circuit board. It is suitable for positioning circuit boards of different specifications.

[0016] 2. This positioning tool for integrated circuit board welding is provided with a bidirectional screw, a screw barrel and a pressure rod. By utilizing the cooperation of a card bead and a card slot, the pressure rod can be kept in a tilted state after the pressure rod is pressed. Then, with the cooperation of the threads of the bidirectional screw and the screw barrel, the distance between the two pressure rods can be changed by rotating the bidirectional screw. When the two pressure rods move to a suitable position, the pressure rod is pulled back. Under the elastic force of the second spring, the rubber head at the lower end of the pressure rod can press the circuit board to further fix the position of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the main structure of a positioning tool for integrated circuit board welding according to the utility model;

[0019] Figure 2 This is a bottom-up structural schematic diagram of a positioning tool for integrated circuit board welding according to the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of a workbench structure of a positioning tool for integrated circuit board welding according to the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure of a slide bar and a slide sleeve of a positioning tool for integrated circuit board welding according to the utility model;

[0022] Figure 5 The utility model is a schematic diagram of a connection structure of a mounting seat and a pressure rod of a positioning tool for integrated circuit board welding.

[0023] In the figure: 1. workbench; 2. sliding rod; 3. sliding sleeve; 4. pressure block; 5. first spring; 6. plastic pull rope; 7. bidirectional screw; 8. screw barrel; 9. mounting seat; 10. pressure rod; 11. support foot; 12. sponge pad; 13. mounting groove; 14. pull rod; 15. limit groove; 16. limit ring; 17. rotating rod; 18. roller; 19. rod seat; 20. sliding groove; 21. sliding part; 22. push rod; 23. second spring; 24. rubber head; 25. limit rod; 26. card bead; 27. card groove. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model is a positioning tool for integrated circuit board welding, comprising a workbench 1 and a positioning mechanism, the positioning mechanism comprising two slide bars 2 arranged on both sides of the workbench 1, the two slide bars 2 are slidably sleeved with slide sleeves 3, two plastic pull ropes 6 are connected between the two slide sleeves 3 located on the same slide bar 2, and each slide sleeve 3 is connected to a pressure block 4, and the same side ends of the two slide bars 2 are provided with a first spring 5 connected to the adjacent pressure block 4;

[0026] A bidirectional screw 7 with a handle connected to one end is rotatably provided below the workbench 1, screw barrels 8 are threadedly sleeved on threads at both ends of the bidirectional screw 7, mounting seats 9 are provided on the two screw barrels 8, and rotatable pressure rods 10 are provided on the two mounting seats 9.

[0027] Among them, adjustable height support feet 11 are arranged at the four corners of the lower surface of the workbench 1, and a sponge pad 12 is arranged at the center of the upper surface of the workbench 1. By setting the support feet 11, the workbench 1 can be supported, and by setting the sponge pad 12, the circuit board can be prevented from rubbing against the workbench 1.

[0028] Among them, installation grooves 13 are opened on both sides of the workbench 1, and the two sliding rods 2 are respectively located in the installation grooves 13 on both sides, and the four sliding sleeves 3 and the two first springs 5 ​​are all located in the corresponding installation grooves 13, and the four pressure blocks 4 are all located above the workbench 1, and a pull rod 14 is connected between the two pressure blocks 4 on the same side. By setting the installation grooves 13, the installation of the sliding sleeve 3 and the first spring 5 is facilitated, and the sliding sleeve 3 and the first spring 5 are limited and protected. By setting the pull rod 14, it is convenient to move the two pressure blocks 4 on one side at the same time.

[0029] Among them, a limiting groove 15 is provided on the same side end of the two first springs 5, and the two first springs 5 ​​are respectively located in the two limiting grooves 15, and the two sliding sleeves 3 on the same side are provided with limiting rings 16 for fixing the corresponding first springs 5. By setting the limiting groove 15, it can be ensured that the first spring 5 does not bend when being squeezed, and by setting the limiting ring 16, the first spring 5 can be connected to the corresponding sliding sleeve 3.

[0030] Among them, a rotating rod 17 is arranged on one side surface of the installation groove 13 close to the first spring 5, and the two plastic pull ropes 6 on the same side are both wound around the corresponding rotating rod 17. Rollers 18 that contact the side walls of the corresponding installation grooves 13 are arranged on both sides of the four sliding sleeves 3. By setting the rotating rod 17, it can help to pull the plastic pull rope 6, and by setting the roller 18, it can help the sliding sleeve 3 to slide in the installation groove 13.

[0031] Among them, rod seats 19 are provided on both sides of the workbench 1, and the bidirectional screw 7 is rotatably installed between the two rod seats 19. Slide grooves 20 are opened at positions corresponding to the two rod seats 19 on both sides of the workbench 1, and the two screw barrels 8 are connected with sliding members 21 sliding in the corresponding slide grooves 20. The two mounting seats 9 are respectively arranged at the upper ends of the two sliding members 21. By setting the rod seats 19, the position of the bidirectional screw 7 can be fixed, and by setting the slide grooves 20 and the sliding members 21, the movable range of the two sliding members 21 can be limited.

[0032] Among them, a pressing rod 22 is connected to one side of the pressing rod 10, a rubber head 24 is provided at the lower end of the pressing rod 10, a second spring 23 is provided between the pressing rod 22 and the corresponding mounting seat 9, a limiting rod 25 for limiting the position of the pressing rod 22 is connected to the upper end of the mounting seat 9, and both side plates of the mounting seat 9 are provided with card beads 26, and card slots 27 are provided at positions corresponding to the two card beads 26 on the pressing rod 22. By arranging the pressing rod 22 and the second spring 23, the pressing rod 10 can be tilted when the pressing rod 22 is pressed down, and the pressing rod 10 can be pressed down when the pressing rod 22 is released. By arranging the rubber head 24, the pressing rod 10 can be prevented from scratching the circuit board. By arranging the card beads 26 and the card slots 27, the pressing rod 10 can be temporarily kept in a tilted state.

[0033] During operation, the sliding ability of the sliding sleeve 3 on the corresponding sliding rod 2 is utilized to pull the two pressing blocks 4 on one side to one side through the pull rod 14. Due to the non-stretchable characteristics of the plastic pull rope 6, the two pressing blocks 4 on the other side will move in the opposite direction. At this time, the circuit board is placed between the four pressing blocks 4, and then the pull rod 14 is slowly pushed back. Under the elastic force of the two first springs 5, the four pressing blocks 4 will move to the original position. During the resetting process of the four pressing blocks 4, the four pressing blocks 4 will clamp the circuit board, thereby realizing the positioning of circuit boards of different specifications;

[0034] After that, the push rods 22 on both sides are pressed downwards, and by utilizing the cooperation of the card bead 26 and the card slot 27, the pressure rod 10 can be kept in the tilted state after pressing the push rod 22. Then, by utilizing the thread cooperation of the bidirectional screw rod 7 and the screw barrel 8, the bidirectional screw rod 7 is rotated by turning the handle, so that the screw barrel 8 on both sides brings the two pressure rods 10 closer to each other. When the two pressure rods 10 move to the appropriate position, the push rod 22 is pulled back. Under the elastic force of the second spring 23, the rubber head 24 at the lower end of the pressure rod 10 can press the circuit board, further fixing the position of the circuit board, so as to facilitate the welding work of the circuit board.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning tool for integrated circuit board welding, characterized in that: The invention comprises a workbench (1) and a positioning mechanism, wherein the positioning mechanism comprises two sliding rods (2) arranged on both sides of the workbench (1), the two sliding rods (2) are both slidably sleeved with sliding sleeves (3), two plastic pull ropes (6) are connected between the two sliding sleeves (3) on the same sliding rod (2), and each sliding sleeve (3) is connected with a pressure block (4), and the same side ends of the two sliding rods (2) are both provided with a first spring (5) connected to the adjacent pressure block (4); A bidirectional screw (7) having one end connected to a turning handle is rotatably arranged below the workbench (1), screw barrels (8) are threadedly sleeved on threads at both ends of the bidirectional screw (7), mounting seats (9) are arranged on the two screw barrels (8), and rotatable pressure rods (10) are arranged on the two mounting seats (9).

2. A positioning tool for integrated circuit board welding according to claim 1, characterized in that: The four corners of the lower surface of the workbench (1) are each provided with height-adjustable feet (11), and the center of the upper surface of the workbench (1) is provided with a sponge pad (12).

3. A positioning tool for integrated circuit board welding according to claim 1, characterized in that: The workbench (1) is provided with mounting grooves (13) on both sides, the two slide bars (2) are respectively located in the mounting grooves (13) on both sides, and the four slide sleeves (3) and the two first springs (5) are located in the corresponding mounting grooves (13), the four pressure blocks (4) are located above the workbench (1), and a pull rod (14) is connected between the two pressure blocks (4) on the same side.

4. A positioning tool for integrated circuit board welding according to claim 1, characterized in that: The same side ends of the two first springs (5) are each provided with a limiting groove (15), and the two first springs (5) are respectively located in the two limiting grooves (15), and the two sliding sleeves (3) on the same side are each provided with a limiting ring (16) for fixing the corresponding first spring (5).

5. A positioning tool for integrated circuit board welding according to claim 3, characterized in that: A rotatable rotating rod (17) is arranged on one side of the installation groove (13) close to the first spring (5); the two plastic pull ropes (6) on the same side are wound around the corresponding rotating rod (17); and rollers (18) are arranged on both sides of the four sliding sleeves (3) and contact the side walls of the corresponding installation grooves (13).

6. A positioning tool for integrated circuit board welding according to claim 1, characterized in that: Rod seats (19) are provided on both sides of the workbench (1), and the bidirectional screw rod (7) is rotatably mounted between the two rod seats (19). Slide grooves (20) are provided at positions corresponding to the two rod seats (19) on both sides of the workbench (1), and the two screw barrels (8) are connected with sliding members (21) sliding in the corresponding sliding grooves (20), and the two mounting seats (9) are respectively arranged at the upper ends of the two sliding members (21).

7. A positioning tool for integrated circuit board welding according to claim 1, characterized in that: A push rod (22) is connected to one side of the pressure rod (10), a rubber head (24) is arranged at the lower end of the pressure rod (10), a second spring (23) is arranged between the push rod (22) and the corresponding mounting seat (9), a limit rod (25) for limiting the position of the push rod (22) is connected to the upper end of the mounting seat (9), both side plates of the mounting seat (9) are provided with card beads (26), and card grooves (27) are provided at positions on the push rod (22) corresponding to the two card beads (26).

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