Circuit board clamping device

Abstract

The utility model discloses a circuit board clamping device, and relates to the technical field of circuit board processing. The circuit board clamping device comprises a workbench, a forward and reverse threaded lead screw is connected into the workbench, one end of the forward and reverse threaded lead screw is connected with a first moving block, one end of the forward and reverse threaded lead screw is connected with a second moving block, one end of the first moving block is provided with a forward threaded groove, and the other end of the first moving block is provided with a reverse threaded groove. A reverse thread groove is formed in one end of the second moving block, the top of the first moving block is connected with a connecting rod, and one end of the connecting rod is connected with a rotating base. The first moving block and the second moving block move close to each other or away from each other on the surface of one end of the forward and reverse threaded lead screw, then a circuit board is placed between the upper clamping plate and the lower clamping plate, and the circuit board is fixed by rotating the bolt so as to adapt to circuit boards of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field, concretely is a circuit board clamping device. BACKGROUND

[0002] Circuit board is also called circuit board, and the name of circuit board includes: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, super-thin circuit board, super-thin circuit board, printed circuit board and the like, circuit board makes circuit miniaturization, and visualizes, plays an important role for the batch production of fixed circuit and the optimization of electric appliance layout, and circuit board can be called printed wiring board or printed circuit board, and the English name is PCB, FPC circuit board, therefore, soft and hard combination board is flexible circuit board and rigid circuit board, which are combined together according to relevant process requirements through pressing and the like, and form the circuit board with the characteristics of FPC and PCB.

[0003] Because the existing circuit board is usually fixed by using a dedicated fixing tool during processing, and cannot well adapt to circuit boards of various sizes, there is certain limitation, and the circuit board cannot be moved after being fixed, so that electronic components can only be welded on the same surface of the circuit board, and during the welding process of the circuit board, both sides of the circuit board may need to be welded, so that it is very troublesome to disassemble and turn over, leading to low circuit board processing efficiency, thereby reducing the use effect.

[0004] For this, the present application number CN201821776873.1 proposes a kind of clamping device of circuit board, although the device includes fixed plate, sliding slot, sliding block, fixed plate is equipped with sliding slot, sliding block is slidably connected with sliding slot, reset spring is arranged on sliding block, reset spring is fixedly connected with telescopic clamp jaw of clamping circuit board, connecting seat is installed on the side surface of fixed plate, connecting seat is rotatably connected with fixed buckle, fixed plate is also provided with dust cover fixing foot, containing dust cover fixing foot containing cavity, locking pin and the locking slot of the end of locking pin cooperation with the dust cover fixing foot, locking pin other end extends to the outside of fixed plate and is penetrated through fixed plate, locking slot is equipped with the push spring of the dust cover fixing foot of the push locking pin lock, the utility model can fix circuit board of different sizes through sliding block and telescopic clamp jaw, set up easily disassembled dust cover, can reduce dust adhesion, prolong the service life of circuit board, the device is also provided with take-up device, can collect and fix wire, avoid the disorder of wire. UTILITY MODEL CONTENTS

[0005] The utility model provides a circuit board clamping device, solve because the existing circuit board in the process of processing usually adopts the special fixed tool to be fixedly clamped, can not very good adaptation size's circuit board of many, there is certain limited nature, because the circuit board is fixed and can not move, make only the same surface circuit board is welded electronic component, general part circuit board in the welding process, both sides of the circuit board can need to be welded, need to be dismantled and turned over very troublesome, lead to the circuit board processing efficiency is low, thereby reduce use effect's problem.

[0006] In order to realize above-mentioned purpose, the utility model discloses a circuit board clamping device, including work table, the inside connection of work table has positive and negative screw rod, one end of positive and negative screw rod is connected with first mobile block, one end of positive and negative screw rod is connected with second mobile block, one end of first mobile block is equipped with positive thread groove, one end of second mobile block is equipped with reverse thread groove, the top of first mobile block is connected with connecting rod, one end of connecting rod is connected with rotary base.

[0007] Preferably, one end of the rotary base is connected with a rotary rod, one end of the rotary rod is sleeved with a threaded sleeve, one end of the threaded sleeve is provided with an opening, and one end of the threaded sleeve is threadedly connected with a locking nut.

[0008] Preferably, one end of the rotary rod is connected with a connecting block, one end of the connecting block is fixedly connected with a lower clamping plate, and the top of the lower clamping plate is connected with a positioning block.

[0009] Preferably, the top of the lower clamping plate is provided with a third threaded groove, and the inside of the third threaded groove is threadedly connected with a bolt.

[0010] Preferably, one end of the bolt is threadedly connected with an upper clamping plate, one end of the upper clamping plate is provided with a sliding groove, the inside of the sliding groove is slidably connected with a sliding rail, the top of the upper clamping plate is provided with a positioning hole, and the bottom of the upper clamping plate is connected with a rubber pad.

[0011] Preferably, one end of the positive and negative screw rod is connected with a rotary disc, and one end of the rotary disc is connected with a handle.

[0012] The utility model provides a circuit board clamping device.

[0013] 1. A circuit board clamping device, by rotating the positive and negative threaded screw rod, the first moving block and the second moving block are moved towards or away from each other on the surface of one end of the positive and negative threaded screw rod, then the circuit board is placed between the upper clamp plate and the lower clamp plate, by rotating the bolt, the position of the upper clamp plate can be adjusted according to the thickness of the circuit board, the circuit board is fixed, and the device can adapt to circuit boards of different sizes.

[0014] 2. A circuit board clamping device, by rotating the locking nut, the thread on the inner surface of the opening end of the threaded sleeve is in close contact with the rotating rod. At this time, the rotation of the rotating rod is limited by the friction between the threaded sleeve and the rotating rod, so that the locking of the rotating rod is realized. When the angle needs to be adjusted, the locking nut is rotated in the opposite direction, the threaded sleeve is loosened, and the rotating rod can rotate freely, so that the surface is not needed to be disassembled and turned over, and the welding is adjusted as needed, so that the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective structural schematic view of a circuit board clamping device is provided for the utility model;

[0016] Figure 2 A partial cross-sectional view of a circuit board clamping device is provided for the utility model;

[0017] Figure 3 A partial separation structure schematic view of a circuit board clamping device is provided for the utility model;

[0018] Figure 4 A partial separation structure schematic view of a circuit board clamping device is provided for the utility model.

[0019] In the drawing: 1, workbench; 2, positive and negative threaded screw rod; 3, first moving block; 4, second moving block; 5, positive threaded groove; 6, negative threaded groove; 7, connecting rod; 8, rotating base; 9, rotating rod; 10, threaded sleeve; 11, opening; 12, locking nut; 13, connecting block; 14, lower clamp plate; 15, positioning block; 16, third threaded groove; 17, bolt; 18, upper clamp plate; 19, sliding groove; 20, sliding rail; 21, positioning hole; 22, rotating disc; 23, handle; 24, rubber pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: a circuit board clamping device includes workbench 1, the inside connection of workbench 1 has positive and negative screw rod 2, one end of positive and negative screw rod 2 is connected with first mobile block 3, one end of positive and negative screw rod 2 is connected with second mobile block 4, one end of first mobile block 3 is provided with positive thread groove 5, one end of second mobile block 4 is provided with reverse thread groove 6, the top of first mobile block 3 is connected with connecting rod 7, one end of connecting rod 7 is connected with rotary base 8, one end of positive and negative screw rod 2 is connected with rotary disc 22, one end of rotary disc 22 is connected with handle 23.

[0022] The workbench 1 provides support for the positive and negative screw rod 2 when in use. The operator holds the handle 23 and rotates the rotary disc 22, causing the positive and negative screw rod 2 to rotate. Due to the positive thread groove 5 on one end of the first mobile block 3 and the reverse thread groove 6 on one end of the second mobile block 4, the first mobile block 3 and the second mobile block 4 can move closer to or further away from each other on the surface of the rotating positive and negative screw rod 2. This allows the device to accommodate circuit boards of different sizes. The top of the first mobile block 3 and the second mobile block 4 are both fixedly connected to the connecting rod 7, which connects the first mobile block 3 and the rotary base 8.

[0023] Please refer to Figures 1-4 One end of the rotary base 8 is connected to a rotating rod 9. One end of the rotating rod 9 is sleeved with a threaded sleeve 10. One end of the threaded sleeve 10 is provided with an opening 11. One end of the threaded sleeve 10 is threadedly connected to a locking nut 12.

[0024] When in use, the locking nut 12 is rotated, causing the threads on the inside surface of the end of the threaded sleeve 10 with the opening 11 to come into close contact with the rotating rod 9. At this time, the friction between the threaded sleeve 10 and the rotating rod 9 restricts the rotation of the rotating rod 9, thereby achieving the locking of the rotating rod 9. When the angle needs to be adjusted, the locking nut 12 is rotated in the opposite direction, loosening the threaded sleeve 10, and the rotating rod 9 can freely rotate. This allows the device to be adjusted and welded without the need to disassemble and flip over, thereby improving the use effect.

[0025] Please refer to Figures 1-4 One end of the rotating rod 9 is connected to a connecting block 13. One end of the connecting block 13 is fixedly connected to a lower clamping plate 14. The top of the lower clamping plate 14 is connected to a positioning block 15. The top of the lower clamping plate 14 is provided with a third screw groove 16. The inside of the third screw groove 16 is threadedly connected to a bolt 17. One end of the bolt 17 is threadedly connected to an upper clamping plate 18. One end of the upper clamping plate 18 is provided with a sliding groove 19. The inside of the sliding groove 19 is slidingly connected to a sliding rail 20. The top of the upper clamping plate 18 is provided with a positioning hole 21. The bottom of the upper clamping plate 18 is connected to a rubber pad 24.

[0026] In use, the connecting block 13 is fixedly connected with the rotating rod 9, the upper clamping plate 18 is moved on the surface of the slide rail 20 connected with one end of the connecting block 13 through the slide groove 19 opened at one end of the upper clamping plate 18, the operator places the circuit board between the upper clamping plate 18 and the lower clamping plate 14, the rubber pad 24 connected with the bottom of the upper clamping plate 18 is an anti-static rubber layer, which can prevent static electricity from damaging the circuit board during clamping and increase the friction, the third threaded groove 16 is opened at the top of the upper clamping plate 18 and the lower clamping plate 14, then the position of the upper clamping plate 18 can be adjusted according to the thickness of the circuit board by rotating the bolt 17, the upper clamping plate 18 and the lower clamping plate 14 are threadedly connected through the bolt 17, so that the circuit board is fixed between the upper clamping plate 18 and the lower clamping plate 14, the device can adapt to circuit boards of different sizes, and the positioning block 15 and the positioning hole 21 can share part of the support force of the slide groove 19 at one end of the upper clamping plate 18, so as to avoid damage to the slide groove 19.

[0027] In use, the relevant technical personnel first hold the handle 23 and rotate the rotating disc 22 to rotate the positive and negative threaded rods 2, the first moving block 3 and the second moving block 4 are moved away from or close to each other on the surface of the rotating positive and negative threaded rods 2 due to the positive threaded groove 5 opened at one end of the first moving block 3 and the negative threaded groove 6 opened at one end of the second moving block 4, the operator places the circuit board between the upper clamping plate 18 and the lower clamping plate 14, the rubber pad 24 connected with the bottom of the upper clamping plate 18 is an anti-static rubber layer, which can prevent static electricity from damaging the circuit board during clamping and increase the friction, the third threaded groove 16 is opened at the top of the upper clamping plate 18 and the lower clamping plate 14, then the position of the upper clamping plate 18 can be adjusted according to the thickness of the circuit board by rotating the bolt 17, the upper clamping plate 18 and the lower clamping plate 14 are threadedly connected through the bolt 17, so that the circuit board is fixed between the upper clamping plate 18 and the lower clamping plate 14, the device can adapt to circuit boards of different sizes, then the tooth pattern on the inner surface of the opening 11 of the threaded sleeve 10 is tightly contacted with the rotating rod 9 by rotating the locking nut 12. At this time, the rotation of the rotating rod 9 is limited through the friction between the threaded sleeve 10 and the rotating rod 9, so that the locking of the rotating rod 9 is realized. When the angle needs to be adjusted, the locking nut 12 is reversely rotated to loosen the threaded sleeve 10, and the rotating rod 9 can be freely rotated, so that the circuit board does not need to be disassembled and turned over, and welding can be adjusted according to needs, so that the use effect is improved.

[0028] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0030] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A circuit board clamping device, comprising a worktable (1), characterized in that: The workbench (1) is internally connected to a forward and reverse threaded screw (2). One end of the forward and reverse threaded screw (2) is connected to a first moving block (3), and one end of the forward and reverse threaded screw (2) is connected to a second moving block (4). One end of the first moving block (3) is provided with a forward thread groove (5), and one end of the second moving block (4) is provided with a reverse thread groove (6). The top of the first moving block (3) is connected to a connecting rod (7), and one end of the connecting rod (7) is connected to a rotating base (8). One end of the rotating base (8) is connected to a rotating rod (9), one end of the rotating rod (9) is fitted with a threaded sleeve (10), one end of the threaded sleeve (10) has an opening (11), and one end of the threaded sleeve (10) is threadedly connected to a locking nut (12).

2. The circuit board clamping device according to claim 1, characterized in that: One end of the rotating rod (9) is connected to a connecting block (13), one end of the connecting block (13) is fixedly connected to a lower clamping plate (14), and a positioning block (15) is connected to the top of the lower clamping plate (14).

3. The circuit board clamping device according to claim 2, characterized in that: The top of the lower clamping plate (14) is provided with a third threaded groove (16), and the internal thread of the third threaded groove (16) is connected with a bolt (17).

4. The circuit board clamping device according to claim 3, characterized in that: One end of the bolt (17) is threaded to an upper clamping plate (18), one end of the upper clamping plate (18) is provided with a sliding groove (19), the inside of the sliding groove (19) is slidably connected to a slide rail (20), the top of the upper clamping plate (18) is provided with a positioning hole (21), and the bottom of the upper clamping plate (18) is connected to a rubber pad (24).

5. A circuit board clamping device according to claim 1, characterized in that: One end of the forward and reverse threaded screw (2) is connected to a rotating disk (22), and one end of the rotating disk (22) is connected to a handle (23).

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