CN113423176A

CN113423176A - Circuit board machining clamp

Info

Publication number: CN113423176A
Application number: CN202011184352.9A
Authority: CN
Inventors: 杨辉军; 刘大和; 欧远治; 王泽龙; 陈杰
Original assignee: Huaihua Jiannan Electronic Technology Co ltd
Current assignee: Huaihua Jiannan Electronic Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-21

Abstract

The invention discloses a circuit board machining clamp, and relates to the technical field of circuit board machining. The staff can rotate first bidirectional screw through the rocking handle, make first bidirectional screw take place meshing motion with first thread bush, make first thread bush drive the support column and remove, adjust to the required length of circuit board after, the stop rotation rocking handle, later the staff begins the required thickness of regulating circuit board, place the circuit board at the double-layered inslot, the staff is through rotating the second bidirectional screw, make second bidirectional screw and second thread bush take place meshing motion, let two sets of splint draw close to the centre, make and fasten the circuit board, the effectual circuit board problem to different length and thickness of having solved, the device is simple and convenient, excellent in use effect.

Description

Circuit board machining clamp

Technical Field

The invention relates to the technical field of circuit board processing, in particular to a circuit board processing clamp.

Background

The circuit board is named as a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultra-thin circuit board, a printed (copper etching technology) circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The Circuit Board can be called as a Printed Circuit Board or a Printed Circuit Board, and the english name (Printed Circuit Board) PCB, (Flexible Printed Circuit Board) FPC Circuit Board (FPC Circuit Board is also called as a Flexible Circuit Board) FPC Circuit Board (FPC Circuit Board is made of polyimide or polyester film as a base material, has high reliability and excellent Flexible Printed Circuit Board, has the characteristics of high wiring density, light weight, thin thickness and good bending property!) and Soft and hard combination Board (Soft and hard combination Board) -FPC and PCB are born and developed, and the new product of Soft and hard combination Board is promoted. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

The existing PCB clamp can only weld and maintain one side, and the other side is welded and maintained after the circuit board is detached and fixed again, so that the operation time is prolonged, the assembly quality is possibly influenced, meanwhile, when the area of the PCB is large, the PCB clamp is not firm in fixation, the length of the baffle is required to be increased, when the area of the PCB is small, the excessively long baffle also has certain influence on welding, the practicability is poor, and the application range is narrow.

Disclosure of Invention

The invention aims to: the circuit board processing clamp is provided for solving the problems that a PCB clamp cannot be suitable for different sizes and thicknesses and can only be used for welding and maintaining one side, and a circuit board needs to be detached and fixed again.

In order to achieve the purpose, the invention provides the following technical scheme: a circuit board processing clamp comprises a base, wherein a cross rod is fixed at the top of the base, a first movable opening is formed in the top of the cross rod, a first movable groove is formed in the cross rod, a first bidirectional screw rod is connected inside the first movable groove, a first thread sleeve is connected to the outer surface of the first bidirectional screw rod, a support column is arranged at the top of the first thread sleeve, a motor is installed at the top of a group of support columns, an inner cavity is formed in the group of support columns, a rotating shaft extending into the inner cavity penetrates through one side of the group of support columns, a driven gear is connected to one end of the rotating shaft, a fixed block is connected to the other end of the rotating shaft, a second movable opening is formed in one side of the fixed block, a second movable groove is formed in the fixed block, a second bidirectional screw rod extending to the top of the fixed block is arranged in the second movable groove, the surface of the second bidirectional screw rod is connected with a second threaded sleeve, one side of the second threaded sleeve is connected with a clamping plate, the top and the bottom of the clamping plate are both provided with clamping grooves, one side of the other group of supporting columns is provided with a bearing, and the bearing is connected with the fixing block through a rotating shaft.

Preferably, the fixed blocks are arranged in a central axis center symmetry of the cross rod.

Preferably, one end of the first bidirectional screw rod penetrates through the other side of the cross rod and is connected with a rocking handle, and anti-skid grains are arranged on the outer surface of the rocking handle.

Preferably, the clamping grooves are provided with two groups, and the outer surfaces of the two groups of clamping grooves are provided with spongy cushions.

Preferably, the supporting column is made of carbon-iron alloy.

Compared with the prior art, the invention has the beneficial effects that:

1. when circuit boards with different sizes and lengths need to be clamped, a worker can rotate the first bidirectional screw rod through the rocking handle, so that the first bidirectional screw rod is meshed with the first threaded sleeve to enable the first threaded sleeve to drive the supporting column to move, after the length required by the circuit board is adjusted, the rocking handle is stopped to rotate, the worker starts to adjust the thickness required by the circuit board, the circuit board is placed in the clamping groove, the worker enables the second bidirectional screw rod to be meshed with the second threaded sleeve through rotating the second bidirectional screw rod, the two groups of clamping plates are close to each other towards the middle, the circuit board is fastened, and the problem of the circuit boards with different lengths and thicknesses is effectively solved.

2. When the other side of the circuit board needs to be machined, a worker can start the motor to drive the bevel gear to rotate, so that the bevel gear and the driven gear are meshed to move in the inner cavity, the driven gear drives the rotating shaft to rotate, the rotating shaft drives the fixing block to rotate, the rotating shaft of the other group of supporting columns of the circuit board electrically rotates in the bearing through the fixed circuit board, the circuit board rotates to the other side, and then the motor is turned off, so that the burden of the worker is effectively relieved, the device is low in cost and easy to popularize.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the outer surface structure of the case according to the present invention;

FIG. 3 is a schematic view of a cross bar according to the present invention;

fig. 4 is a partially enlarged structural diagram of the present invention a.

In the figure: 1. a base; 2. a cross bar; 3. a first movable slot; 4. a first bidirectional screw; 5. a first threaded sleeve; 6. a support pillar; 7. a motor; 8. a bearing; 9. a rotating shaft; 10. a fixed block; 11. a second bidirectional screw rod; 12. a second threaded sleeve; 13. a splint; 14. a clamping groove; 15. a second movable slot; 16. a second movable port; 17. conical teeth; 18. a driven gear; 19. a first movable port; 20. a rocking handle; 21. an inner cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-4, a circuit board processing clamp includes a base 1, a cross bar 2, a first movable groove 3, a first bidirectional screw rod 4, a first thread bushing 5, a support post 6, a motor 7, a bearing 8, a rotating shaft 9, a fixed block 10, a second bidirectional screw rod 11, a second thread bushing 12, a clamping plate 13, a clamping groove 14, a second movable groove 15, a second movable opening 16, a bevel gear 17, a driven gear 18, a first movable opening 19, a rocking handle 20 and an inner cavity 21, the top of the base 1 is fixed with the cross bar 2, the top of the cross bar 2 is provided with the first movable opening 19, the inside of the cross bar 2 is provided with the first movable groove 3, the inside of the first movable groove 3 is connected with the first bidirectional screw rod 4, the outer surface of the first bidirectional screw rod 4 is connected with the first thread bushing 5, the top of the first thread bushing 5 is provided with the support post 6, the top of the group of support posts 6 is provided with the motor 7, the group of support posts 6 is provided with the inner cavity 21, one side of a set of support column 6 is run through and is had the pivot 9 that extends to the inner chamber 21 inside, the one end of pivot 9 is connected with driven gear 18, the other end of pivot 9 is connected with fixed block 10, second expansion joint 16 has been seted up to one side of fixed block 10, the inside of fixed block 10 is provided with second movable groove 15, the inside of second movable groove 15 is provided with the second bidirectional screw rod 11 that extends to fixed block 10 top, the surface of second bidirectional screw rod 11 is connected with second thread bush 12, one side of second thread bush 12 is connected with splint 13, the top and the bottom of splint 13 all are provided with and press from both sides groove 12, one side of another set of support column 6 is provided with bearing 8, and bearing 8 is connected with fixed block 10 through pivot 9.

Please refer to fig. 1 and 4, the fixing blocks 10 are symmetrically arranged around the central axis of the cross bar 2 for clamping the circuit board at the same time, one end of the first bidirectional screw rod 4 penetrates the other side of the cross bar 2 and is connected with the rocking handle 20, and the outer surface of the rocking handle 20 is provided with anti-slip threads for increasing friction force and preventing slipping.

Please refer to fig. 1 and 3, the two groups of clamping grooves 14 are provided, and the sponge pads are provided on the outer surfaces of the two groups of clamping grooves 14, so that the circuit board is not clamped and broken, the supporting posts 6 are made of carbon-iron alloy, and can better bear the weight of the fixing block 10 and the circuit board

The working principle is as follows: firstly, a worker inserts the device to be powered on, when circuit boards with different sizes and lengths need to be clamped, the worker can rotate the first bidirectional screw rod 4 through the rocking handle 20 to enable the first bidirectional screw rod 4 and the first threaded sleeve 5 to perform meshing motion, the first threaded sleeve 5 drives the supporting column 6 to move, after the length required by the circuit board is adjusted, the rocking handle 20 stops rotating, the worker starts to adjust the thickness required by the circuit board and places the circuit board in the clamping groove 14, the worker can enable the second bidirectional screw rod 11 and the second threaded sleeve 12 to perform meshing motion by rotating the second bidirectional screw rod 11 to enable the two groups of clamping plates to be drawn close to the middle to fasten the circuit board, the problem of the circuit boards with different lengths and thicknesses is effectively solved, when the other side of the circuit board needs to be machined, the worker can start the motor 7, motor 7 drives the awl tooth 17 and rotates for awl tooth 17 takes place the engaged motion at inner chamber 21 and driven gear 18, makes driven gear 18 drive pivot 9 and rotates, and pivot 9 drives fixed block 10 and rotates, and through the circuit board of fixing, the circuit board drives the axle 9 of another set of support column and rotates at bearing 8, thereby makes the circuit board rotate to the another side, later closes motor 7, the effectual staff burden that has alleviateed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circuit board adds clamping apparatus, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a cross rod (2), a first movable opening (19) is formed in the top of the cross rod (2), a first movable groove (3) is formed in the cross rod (2), a first bidirectional screw rod (4) is connected to the inside of the first movable groove (3), a first thread sleeve (5) is connected to the outer surface of the first bidirectional screw rod (4), a support column (6) is arranged at the top of the first thread sleeve (5), a motor (7) is installed at the top of a group of support columns (6), an inner cavity (21) is formed in the group of support columns (6), a rotating shaft (9) extending into the inner cavity (21) penetrates through one side of the group of support columns (6), one end of the rotating shaft (9) is connected with a driven gear (18), and the other end of the rotating shaft (9) is connected with a fixed block (10), second expansion gap (16) have been seted up to one side of fixed block, the inside of fixed block (10) is provided with second movable groove (15), the inside of second movable groove (15) is provided with second two lead screw (11) that extend to fixed block (10) top, the surface connection of second two lead screw (11) has second thread bush (12), one side of second thread bush (12) is connected with splint (13), the top and the bottom of splint (13) all are provided with presss from both sides groove (14), one side of another group support column (6) is provided with bearing (8), just bearing (8) are connected with fixed block (10) through the pivot.

2. The circuit board machining jig according to claim 1, characterized in that: the fixing blocks (10) are arranged in a central axis central symmetry mode of the cross rod (2).

3. The circuit board machining jig according to claim 1, characterized in that: one end of the first bidirectional screw rod (4) penetrates through the other side of the cross rod (2) and is connected with a rocking handle (20), and anti-skidding grains are arranged on the outer surface of the rocking handle (20).

4. The circuit board machining jig according to claim 1, characterized in that: the clamping grooves (31) are provided with two groups, and the outer surfaces of the clamping grooves (31) are provided with spongy cushions.

5. The circuit board machining jig according to claim 1, characterized in that: the support column (6) is made of carbon-iron alloy.