Circuit board welding positioning tool

Abstract

The circuit board welding positioning tool comprises a base, a guide column and a top plate, the top of the base is fixedly connected with the guide column, the top end of the guide column is fixedly connected with the top plate, the top face of the top plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating rod, and the rotating rod is fixedly connected with a rotating shaft. And a positive-section screw rod and a negative-section screw rod are symmetrically arranged on the rotating rod, and sliding blocks are in threaded connection with the positive-section screw rod and the negative-section screw rod correspondingly. Compared with the prior art, the circuit board clamping device has the advantages that the positive-section lead screw, the negative-section lead screw, the sliding block, the connector plate, the supporting plate, the cross beam, the guide block, the fastening pin, the pressing rod and the pressing head are arranged in a matched mode, the novel structural design is adopted, the supporting plate is used for containing a circuit board, the front face of the circuit board faces upwards, and under the action of the positive-section lead screw and the negative-section lead screw, the supporting plate moves upwards, and the cross beam moves downwards; the pressing head is pressed at the blank of the circuit board and is matched with the supporting plate to jointly and rapidly position the circuit board, the circuit board is automatically positioned after being placed, and positioning is efficient and rapid.

Description

Technical Field

[0001] This utility model relates to the field of circuit board welding technology, and in particular to a circuit board welding positioning fixture. Background Technology

[0002] Tooling positioning is a crucial step in ensuring product quality during the circuit board welding process. A search revealed a Chinese patent that discloses a circuit board positioning drilling device (authorization announcement number CN107350518A). Although this patented technology can clamp the circuit board on the worktable by turning the threaded rod with a hand-tightening lever, it is still a very important step in ensuring product quality.

[0003] However, in practical applications, this patented technology requires operating the hand-tightening rod from both sides to rotate the threaded rod so that the worktable clamps the circuit board. This operation is cumbersome, the positioning speed of a single circuit board is slow, and the efficiency is low. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide a circuit board welding positioning fixture to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of the present invention provides a circuit board welding positioning fixture, including a base, a guide post, and a top plate. The top of the base is fixedly connected to the guide post, the top of the guide post is fixedly connected to the top plate, and a servo motor is fixedly connected to the top surface of the top plate.

[0007] The output end of the servo motor is fixedly connected to a rotating rod, and a positive lead screw and a negative lead screw are symmetrically arranged on the rotating rod.

[0008] Both the positive and negative lead screws are threaded with sliders, and the sliders are movably connected to the guide post.

[0009] A connector plate is fixedly connected to the front of the slider, and a support plate is fixedly connected to the front of the connector plate on the front of the slider located on the positive section screw.

[0010] A crossbeam is fixedly connected to the front of the connector plate on the front of the slider on the reverse section screw. A guide block is movably connected to the crossbeam. A locking pin is threadedly connected to the side of the guide block. The end of the locking pin abuts against the side of the crossbeam.

[0011] A pressure rod is fixedly connected to the bottom of the guide block, and a pressure head is fixedly connected to the bottom end of the pressure rod.

[0012] Preferably, in any of the above schemes, the guide posts are located on both sides of the rotating rod, and at least two guide posts are provided.

[0013] The above technical solution is adopted: This device is specifically used for the welding and positioning of circuit boards, specifically by using a support plate and a pressure head to position a single circuit board.

[0014] Preferably, in any of the above schemes, the two sliders move in opposite directions, the joint plate is connected to the sliders by hexagonal socket head cap screws, and the joint plate is arranged horizontally.

[0015] Using the above technical solution, this device can be divided into two parts: The first part is the tooling part, which consists of a base, guide pillars, top plate, servo motor, rotating rod, forward lead screw, reverse lead screw, and slider. The second part is the circuit board positioning part, which consists of a connector plate, support plate, crossbeam, guide block, locking pin, pressure rod, and pressure head.

[0016] Preferably, as described in any of the above schemes, a rubber layer is fixedly connected to the top surface of the tray, and the number of trays is two and they are symmetrical about the center surface of the connector plate.

[0017] The core structure of this device, employing the above technical solution, consists of: a positive lead screw, a negative lead screw, a slider, a connector plate, a support plate, a crossbeam, a guide block, a locking pin, a pressure rod, and a pressure head. The core advantages of this device are: it adopts a novel structural design, with the support plate specifically holding the circuit board, its front facing upwards. Under the action of the positive and negative lead screws, the support plate moves upwards, the crossbeam moves downwards, and the pressure head presses against the blank space on the circuit board. Working together with the support plate, it quickly and efficiently positions the circuit board. Positioning is automatic after placement, resulting in highly efficient and rapid positioning.

[0018] The positions of the pressure rod and pressure head are adjustable. Specifically, the position of the guide block is adjustable. Then, the locking pin is tightened, and the end of the locking pin abuts against the crossbeam to lock the positions of the guide block, pressure rod, and pressure head.

[0019] Preferably, in any of the above embodiments, the crossbeam is located above the pallet, and the position of the guide block on the crossbeam is adjustable and limited.

[0020] Preferably, in any of the above embodiments, a knob is fixedly connected to the end of the locking pin, the pressure rod is vertically arranged, the pressure head is made of silicone, and the pressure head is disc-shaped.

[0021] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0022] This circuit board welding and positioning fixture employs a novel structural design, consisting of a positive lead screw, a negative lead screw, a slider, a connector plate, a support plate, a crossbeam, a guide block, a locking pin, a pressure rod, and a pressure head. The support plate holds the circuit board with its front side facing upwards. Under the action of the positive and negative lead screws, the support plate moves upwards, the crossbeam moves downwards, and the pressure head presses against the blank space on the circuit board. Together with the support plate, the fixture quickly and efficiently positions the circuit board. The positioning is automatic after placement, ensuring high efficiency and speed.

[0023] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0024] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0025] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0026] Figure 2 This is a structural schematic diagram of the present invention from a second perspective;

[0027] Figure 3 This is a side view of the structure of this utility model;

[0028] Figure 4 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0029] In the diagram: 1-base, 2-guide post, 3-top plate, 4-servo motor, 5-rotating rod, 6-forward lead screw, 7-reverse lead screw, 8-slider, 9-connector plate, 10-support plate, 11-crossbeam, 12-guide block, 13-fixed pin, 14-pressure rod, 15-pressure head. Detailed Implementation

[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] like Figure 1-4As shown, this circuit board welding positioning fixture includes a base 1, a guide post 2, and a top plate 3. The top of the base 1 is fixedly connected to the guide post 2, the top of the guide post 2 is fixedly connected to the top plate 3, and the top surface of the top plate 3 is fixedly connected to the servo motor 4.

[0033] The output end of the servo motor 4 is fixedly connected to a rotating rod 5, and a positive lead screw 6 and a negative lead screw 7 are symmetrically arranged on the rotating rod 5.

[0034] Both the positive lead screw 6 and the negative lead screw 7 are threadedly connected to sliders 8, and sliders 8 are movably connected to guide posts 2;

[0035] A connector plate 9 is fixedly connected to the front of the slider 8, and a support plate 10 is fixedly connected to the front of the connector plate 9 on the front of the slider 8, which is located on the positive section screw 6.

[0036] A crossbeam 11 is fixedly connected to the front of the connector plate 9 on the front of the slider 8 located on the reverse section screw 7. A guide block 12 is movably connected to the crossbeam 11. A locking pin 13 is threadedly connected to the side of the guide block 12. The end of the locking pin 13 abuts against the side of the crossbeam 11.

[0037] A pressure rod 14 is fixedly connected to the bottom of the guide block 12, and a pressure head 15 is fixedly connected to the bottom end of the pressure rod 14.

[0038] Example 1: Guide posts 2 are located on both sides of rotating rod 5, and at least two guide posts 2 are provided. This device is specifically used for the welding positioning of circuit boards, specifically using a support plate 10 in conjunction with a pressure head 15 to position a single circuit board. Two sliders 8 move in opposite directions, and the connector plate 9 is connected to the sliders 8 by internal hex bolts. The connector plate 9 is arranged horizontally. This device can be divided into two parts: The first part is the tooling part, which consists of a base 1, guide posts 2, top plate 3, servo motor 4, rotating rod 5, positive lead screw 6, negative lead screw 7, and sliders 8. The second part is the circuit board positioning part, which consists of a connector plate 9, support plate 10, crossbeam 11, guide block 12, locking pin 13, pressure rod 14, and pressure head 15.

[0039] Example 2: A rubber layer is fixedly connected to the top surface of the support plate 10. There are two support plates 10, symmetrical about the center surface of the connector plate 9. The crossbeam 11 is located above the support plate 10, and the position of the guide block 12 on the crossbeam 11 is adjustable and limited. A knob is fixedly connected to the end of the locking pin 13. The pressure rod 14 is vertically arranged, and the pressure head 15 is made of silicone and is disc-shaped. The positions of the pressure rod 14 and the pressure head 15 are adjustable. Specifically, the position of the guide block 12 is adjustable, and then the locking pin 13 is tightened. The end of the locking pin 13 abuts against the crossbeam 11 to lock the positions of the guide block 12, the pressure rod 14, and the pressure head 15.

[0040] The working principle of this utility model is as follows:

[0041] S1, tray 10 specifically holds the circuit board, with the front of the circuit board facing upwards;

[0042] S2. Start the servo motor 4, the rotating rod 5 rotates, the positive section lead screw 6 and the negative section lead screw 7 rotate, the two sliders 8 move closer to each other, the support plate 10 moves upward, the crossbeam 11 moves downward, and the pressure head 15 presses on the blank space of the circuit board, working together with the support plate 10 to quickly position the circuit board.

[0043] S3, the position of pressure rod 14 and pressure head 15 is adjustable. Specifically, the position of guide block 12 is adjustable. Then, tighten the locking pin 13. The end of the locking pin 13 abuts against the crossbeam 11 to lock the position of guide block 12, pressure rod 14 and pressure head 15.

[0044] S4. After the circuit board is positioned, solder the circuit board.

[0045] Compared with the prior art, the present invention has the following advantages:

[0046] This circuit board welding and positioning fixture, through the coordinated arrangement of a positive lead screw 6, a negative lead screw 7, a slider 8, a connector plate 9, a support plate 10, a crossbeam 11, a guide block 12, a locking pin 13, a pressure rod 14, and a pressure head 15, adopts a novel structural design. The support plate 10 specifically holds the circuit board with its front side facing upwards. Under the action of the positive lead screw 6 and the negative lead screw 7, the support plate 10 moves upwards, the crossbeam 11 moves downwards, and the pressure head 15 presses against the blank space of the circuit board. Together with the support plate 10, the fixture quickly and efficiently positions the circuit board. The positioning is automatic after placement, making the positioning highly efficient and fast.

Claims

1. A circuit board welding positioning fixture, characterized in that, Includes a base (1), a guide post (2), and a top plate (3). The top of the base (1) is fixedly connected to the guide post (2), the top of the guide post (2) is fixedly connected to the top plate (3), and the top surface of the top plate (3) is fixedly connected to the servo motor (4). The output end of the servo motor (4) is fixedly connected to a rotating rod (5), and a positive lead screw (6) and a negative lead screw (7) are symmetrically arranged on the rotating rod (5). Both the positive lead screw (6) and the negative lead screw (7) are threaded with sliders (8), and the sliders (8) are movably connected to the guide post (2); The front of the slider (8) is fixedly connected to a connector plate (9), and the front of the connector plate (9) on the slider (8) located on the positive section screw (6) is fixedly connected to a support plate (10). A crossbeam (11) is fixedly connected to the front of the connector plate (9) on the front of the slider (8) on the reverse section screw (7). A guide block (12) is movably connected to the crossbeam (11). A locking pin (13) is threadedly connected to the side of the guide block (12). The end of the locking pin (13) abuts against the side of the crossbeam (11). The bottom of the guide block (12) is fixedly connected to a pressure rod (14), and the bottom end of the pressure rod (14) is fixedly connected to a pressure head (15).

2. The circuit board welding positioning fixture as described in claim 1, characterized in that: The guide post (2) is located on both sides of the rotating rod (5), and at least two guide posts (2) are provided.

3. The circuit board welding positioning fixture as described in claim 2, characterized in that: The two sliders (8) move in opposite directions. The connector plate (9) is connected to the sliders (8) by internal hex bolts. The connector plate (9) is arranged horizontally.

4. The circuit board welding positioning fixture as described in claim 3, characterized in that: The top surface of the tray (10) is fixedly connected with a rubber layer, and there are two trays (10) that are symmetrical about the center surface of the connector plate (9).

5. The circuit board welding positioning fixture as described in claim 4, characterized in that: The crossbeam (11) is located above the tray (10), and the position of the guide block (12) on the crossbeam (11) is adjustable and limited.

6. The circuit board welding positioning fixture as described in claim 5, characterized in that: The end of the locking pin (13) is fixedly connected to a knob, the pressure rod (14) is vertically arranged, the pressure head (15) is made of silicone, and the pressure head (15) is disc-shaped.

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