Automatic positioning clamp for circuit board welding

Abstract

The utility model discloses an automatic positioning fixture for circuit board welding, which comprises a fixture table, the upper surface of the fixture table is fixedly connected with a positioning block, the upper surface of the positioning block is provided with a circuit board placing groove, and the inner bottom wall of the circuit board placing groove is fixedly connected with two groups of symmetrical mounting studs. The outer surface of each mounting stud is in threaded connection with two adjusting nuts, two supporting frames are fixedly connected to the upper surface of the clamp table, and sliding holes are formed in the right side faces of the supporting frames. According to the device, through the arrangement of the positioning block, the circuit board placement groove, the mounting stud, the adjusting nut, the supporting frame, the supporting rod, the clamping spring and the clamping push plate, a circuit board can be clamped and placed, automatic clamping and positioning of the circuit board are achieved, and through the arrangement of the placement cavity, an activated carbon filter layer, an exhaust fan and an air hole, the circuit board can be conveniently and rapidly placed. And exhaust gas generated by circuit board welding can be sucked, filtered and purified, and the using effect of the clamp is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board production technical field especially a kind of automatic positioning fixture for circuit board welding. BACKGROUND

[0002] Circuit board is mainly composed of pad, via, mounting hole, wire, component, connector, filling, electrical boundary, etc., and during production, electrical components need to be welded on the circuit board. During welding, positioning fixture is needed to clamp and fix the circuit board.

[0003] The current circuit board welding positioning fixture still has certain deficiencies when in use, and cannot automatically clamp and position the circuit board. Moreover, it cannot effectively treat the waste gas generated during welding, which reduces the use effect of the circuit board welding fixture. Therefore, the present application provides an automatic positioning fixture for circuit board welding to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automatic positioning fixture for circuit board welding to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An automatic positioning fixture for circuit board welding includes a fixture table, the upper surface of the fixture table is fixedly connected with a positioning block, the upper surface of the positioning block is provided with a circuit board placing groove, the inner bottom wall of the circuit board placing groove is fixedly connected with two groups of symmetrically arranged mounting studs, the outer surface of each mounting stud is threadedly connected with two adjusting nuts, the upper surface of the fixture table is fixedly connected with two supporting frames, the right side surface of the supporting frame is provided with a sliding hole, the right side of the supporting frame is provided with a clamping push plate, the left side surface of the clamping push plate is fixedly connected with a supporting rod, the left end of the supporting rod penetrates through the sliding hole and is fixedly connected with a pulling handle, the outer surface of the supporting rod is sleeved with a clamping spring, the inside of the positioning block is provided with a placing cavity, the inner side wall of the circuit board placing groove is provided with two air vents, the inner wall of the placing cavity is fixedly connected with an activated carbon filter layer, and the inner side wall of the placing cavity is fixedly embedded with an exhaust fan.

[0007] In further embodiments, the front surface of the positioning block is fixedly connected with a control panel, and the control panel is electrically connected with the exhaust fan through wires.

[0008] In further embodiments, the inner side wall of the circuit board placing groove is fixedly connected with a protective pad, and the protective pad is made of rubber.

[0009] In further embodiments, the upper surface of the positioning block is fixedly connected with a lighting lamp, which is an LED lamp.

[0010] In further embodiments, the left side surface of the support frame is provided with two limiting holes, and the left side surface of the clamping push plate is fixedly connected with two limiting rods, the left end of each limiting rod extends through the limiting hole and extends to the left side of the support frame.

[0011] In further embodiments, the bottom surface of the clamp table is fixedly connected with two groups of support piers, and the bottom end of each support pier is provided with a group of anti-skid lines.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The device can clamp and place the circuit board, realize automatic clamping and positioning of the circuit board, and effectively increase the use effect of the clamp through the positioning block, circuit board placing groove, mounting stud, adjusting nut, support frame, support rod, clamping spring and clamping push plate, and through the placing cavity, activated carbon filter layer, exhaust fan and air vent, can suck and filter and purify the waste gas generated by the circuit board welding. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional structure schematic view of the automatic positioning clamp for circuit board welding.

[0015] Figure 2 It is a bottom view of the clamp table in the automatic positioning clamp for circuit board welding.

[0016] Figure 3 It is a side view of the clamping table in the automatic positioning clamp for circuit board welding.

[0017] Figure 4 It is a internal sectional structure schematic view of the clamp table in the automatic positioning clamp for circuit board welding.

[0018] In the drawing: 1, clamp table; 2, positioning block; 3, control panel; 4, air vent; 5, pull handle; 6, support rod; 7, clamping spring; 8, clamping push plate; 9, adjusting nut; 10, circuit board placing groove; 11, mounting stud; 12, protective pad; 13, lighting lamp; 14, support frame; 15, support pier; 16, anti-skid line; 17, sliding hole; 18, limiting rod; 19, limiting hole; 20, activated carbon filter layer; 21, placing cavity; 22, exhaust fan. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4In this utility model, an automatic positioning fixture for circuit board soldering includes a fixture platform 1. A positioning block 2 is fixedly connected to the upper surface of the fixture platform 1. A circuit board placement groove 10 is formed on the upper surface of the positioning block 2. Two sets of symmetrical mounting studs 11 are fixedly connected to the inner bottom wall of the circuit board placement groove 10. Two adjusting nuts 9 are threadedly connected to the outer surface of each mounting stud 11. Two support frames 14 are fixedly connected to the upper surface of the fixture platform 1. A sliding hole 17 is formed on the right side of the support frame 14. A clamping push plate 8 is provided on the right side of the support frame 14. A support rod 6 is fixedly connected to the left side of the clamping push plate 8. The left end of the support rod 6 passes through the sliding hole 17 and is fixedly connected to a pull handle 5. A clamping spring 7 is sleeved on the outer surface of the support rod 6. A placement cavity 21 is formed inside the positioning block 2. Two vents 4 are formed on the inner side wall of the circuit board placement groove 10. An activated carbon filter layer 20 is fixedly connected to the inner wall of the placement cavity 21. An exhaust fan 22 is fixedly embedded in the inner side wall of the placement cavity 21.

[0023] A control panel 3 is fixedly connected to the front of the positioning block 2. The control panel 3 is electrically connected to the exhaust fan 22 via wires, which can conveniently control the operation of the exhaust fan 22 and facilitate the extraction of welding fumes. A protective pad 12 is fixedly connected to the inner side wall of the circuit board placement slot 10. The protective pad 12 is made of rubber and can clamp and protect the circuit board, facilitating the effective and safe clamping of the circuit board.

[0024] A lighting lamp 13 is fixedly connected to the upper surface of the positioning block 2. The lighting lamp 13 is an LED lamp, which can provide lighting for the staff and facilitate the soldering operation of the circuit board. Two limiting holes 19 are opened on the left side of the support frame 14. Two limiting rods 18 are fixedly connected to the left side of the clamping push plate 8. The left end of each limiting rod 18 passes through the limiting hole 19 and extends to the left side of the support frame 14, which can limit the movement of the clamping push plate 8 and facilitate the stable clamping of the circuit board. Two sets of support blocks 15 are fixedly connected to the bottom surface of the fixture table 1. Each support block 15 has a set of anti-slip textures 16 at the bottom end, which can support the fixture table 1 and facilitate the stable use of this fixture.

[0025] The working principle of this utility model is as follows:

[0026] In use, first move the clamping table 1 to place the clamping device on the support block 15, then rotate the adjusting nut 9 to adjust the distance between the two adjusting nuts 9, and place the circuit board between the adjusting nuts 9. At the same time, the elasticity of the clamping spring 7 drives the clamping push plate 8 to move to the right, pushing and squeezing the circuit board to achieve clamping and positioning of the circuit board. Then, the circuit board is soldered. At the same time, click the control panel 3 to control the exhaust fan 22 to work, exhaust the air inside the placement chamber 21 and generate negative pressure. The exhaust gas generated during welding is extracted and purified through the vent 4, realizing the effective soldering operation of the circuit board.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic positioning fixture for circuit board soldering, characterized in that: The fixture includes a fixture table (1), on the upper surface of which a positioning block (2) is fixedly connected. A circuit board placement slot (10) is formed on the upper surface of the positioning block (2). Two sets of symmetrical mounting studs (11) are fixedly connected to the inner bottom wall of the circuit board placement slot (10). Two adjusting nuts (9) are threaded onto the outer surface of each mounting stud (11). Two support frames (14) are fixedly connected to the upper surface of the fixture table (1). A sliding hole (17) is formed on the right side of each support frame (14). A clamping device is provided on the right side of each support frame (14). The push plate (8) is fixedly connected to the left side of the push plate (8). The left end of the support rod (6) passes through the sliding hole (17) and is fixedly connected to the pull handle (5). The outer surface of the support rod (6) is fitted with a clamping spring (7). The positioning block (2) has a placement cavity (21) inside. The inner wall of the circuit board placement slot (10) has two vents (4). The inner wall of the placement cavity (21) is fixedly connected to an activated carbon filter layer (20). The inner wall of the placement cavity (21) is fixedly embedded with an exhaust fan (22).

2. The automatic positioning fixture for circuit board soldering according to claim 1, characterized in that: The front of the positioning block (2) is fixedly connected to a control panel (3), which is electrically connected to the exhaust fan (22) via a wire.

3. An automatic positioning fixture for circuit board soldering according to claim 1, characterized in that: A protective pad (12) is fixedly connected to the inner wall of the circuit board placement slot (10), and the protective pad (12) is made of rubber.

4. An automatic positioning fixture for circuit board soldering according to claim 1, characterized in that: A lighting lamp (13) is fixedly connected to the upper surface of the positioning block (2), and the lighting lamp (13) is an LED lamp.

5. An automatic positioning fixture for circuit board soldering according to claim 1, characterized in that: The support frame (14) has two limiting holes (19) on its left side, and the clamping push plate (8) has two limiting rods (18) fixedly connected to its left side. The left end of each limiting rod (18) passes through the limiting hole (19) and extends to the left side of the support frame (14).

6. An automatic positioning fixture for circuit board soldering according to claim 1, characterized in that: The bottom surface of the fixture table (1) is fixedly connected to two sets of support blocks (15), and each support block (15) has a set of anti-slip textures (16) at its bottom end.

Images