CN219499667U

CN219499667U - SMT circuit board location frock clamp

Info

Publication number: CN219499667U
Application number: CN202320744953.3U
Authority: CN
Inventors: 苑鸿兴; 王尉
Original assignee: Shenzhen Hongyi Zhizao Technology Co ltd
Current assignee: Shenzhen Hongyi Zhizao Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-08
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an SMT circuit board positioning fixture, which relates to the technical field of SMT circuit boards and comprises a fixture main body, wherein the upper end of the fixture main body is connected with a supporting rod, the upper end of the supporting rod is connected with a positioning table, the positioning table is of a U-shaped structure, the upper end of the fixture main body is connected with a fixed vertical plate, the front of the fixed vertical plate is provided with a threaded hole, the upper end of the fixture main body is provided with a lifting component, the upper end of the lifting component is provided with a clamping component, the SMT circuit board positioning fixture is convenient to fix a clamping arm and a movable clamping arm between a piece component to be assembled through deformation of a spring, and a connecting rod is arranged on the back of the fixed clamping arm and can drive the connecting rod on the piston rod to move up and down through a pneumatic cylinder, so that the fixed piece component can stably lift, the problem of deflection caused by shaking caused by manual installation is avoided, the assembly quality is effectively improved, and the defective percentage is reduced.

Description

SMT circuit board location frock clamp

Technical Field

The utility model relates to the technical field of SMT (surface mounted technology) circuit boards, in particular to a positioning fixture for an SMT circuit board.

Background

SMT is a surface mounting technology, which is the most popular technology and process in the current electronic assembly industry, PCB is a printed circuit board, SMT patch refers to a short for serial process flow of processing on the basis of PCB, and the circuit mounting technology of soldering assembly is performed by mounting components on the surface of PCB, and then flow soldering or dip soldering.

However, in the actual use process of the existing circuit board positioning fixture, because the fixture does not have a component clamping structure, the platy component needs to be accurately mounted on the fixed position of the PCB manually, and the hands of people are easy to shake, so that the situations of inaccurate positioning and mounting failure can occur slightly carelessly.

Therefore, there is a great need to design an SMT circuit board positioning fixture to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide an SMT circuit board positioning fixture, which solves the problem that the prior art provides a circuit board positioning fixture without a component clamping structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a SMT circuit board location frock clamp, includes the frock clamp main part, the upper end of frock clamp main part is connected with the bracing piece, the upper end of bracing piece is connected with the locating station, the locating station is U-shaped structure, the upper end of frock clamp main part is connected with fixed riser, threaded hole has been seted up in the front of fixed riser, the upper end of frock clamp main part is provided with lifting unit, lifting unit's upper end is provided with clamping unit.

Further, the inside of screw hole is connected with control screw, control screw and screw hole threaded connection through the control screw in the rotatory screw hole for splint can carry out back and forth movement.

Further, the control screw is rotatably connected with the first sleeve, the first sleeve is arranged in front of the clamping plate, and the control screw is used for rotating in the first sleeve, so that the angle of the clamping plate can not be changed when the clamping plate moves forwards and backwards.

Further, lifting assembly is including pneumatic cylinder, piston rod, connecting rod, the pneumatic cylinder sets up the upper end at the frock clamp main part, the upper end of pneumatic cylinder is connected with the piston rod, the upper end of piston rod is connected with the connecting rod, through starting pneumatic cylinder, can drive the connecting rod on the piston rod and reciprocate.

Further, the clamping assembly comprises a fixed clamping arm, a spring, a movable clamping arm and a handle, wherein the fixed clamping arm is arranged in front of the connecting rod, the right side of the fixed clamping arm is connected with the spring, the right side of the spring is connected with the movable clamping arm, the handle is arranged on the right side of the movable clamping arm, and the spring can deform by pulling the handle, so that the distance between the fixed clamping arm and the movable clamping arm can be changed.

Further, the clamping assembly further comprises a sliding block and a sliding rail, the sliding block is arranged at the lower end of the movable clamping arm and is in sliding connection with the sliding rail, the sliding rail is arranged at the upper end of the fixed clamping arm, and the sliding block can slide left and right in the sliding rail, so that the movable clamping arm can move directionally, and the guiding function is achieved.

Further, the clamping assembly further comprises a second sleeve, a rotating shaft and a locking piece, wherein the second sleeve is arranged on the right side of the movable clamping arm and is in rotary connection with the rotating shaft, the locking piece is fixed on the right side of the rotating shaft, and the locking piece can rotate by rotating the rotating shaft in the second sleeve, so that the movable clamping arm can be conveniently released or locked.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the SMT circuit board positioning fixture, the SMT circuit board is conveniently fixed between the positioning table and the clamping plate by rotating the control screw rod, and the chip components to be assembled are conveniently fixed between the fixed clamping arm and the movable clamping arm by deformation of the spring, so that workers can conveniently and accurately install the chip components on the fixed positions of the circuit board;

2. this SMT circuit board location frock clamp is provided with the connecting rod through the back at the fixed arm lock, and can drive the connecting rod on the piston rod through the pneumatic cylinder and reciprocate for fixed slice components and parts can be steady go up and down, not only avoid rocking that manual installation brought and lead to the problem of skew, still effectively improved the equipment quality, reduced the defective percentage.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the tool clamp of the present utility model;

FIG. 3 is a schematic view of a fixing clip arm according to the present utility model;

fig. 4 is a schematic view of a partially enlarged structure of the present utility model.

In the figure: 100. a lifting assembly; 200. a clamping assembly; 1. a tool clamp body; 2. a support rod; 3. a positioning table; 4. fixing the vertical plate; 5. a threaded hole; 6. a control screw; 7. a first sleeve; 8. a clamping plate; 9. a pneumatic cylinder; 10. a piston rod; 11. a connecting rod; 12. fixing the clamping arm; 13. a spring; 14. a movable clamping arm; 15. a handle; 16. a slide block; 17. a slide rail; 18. a second sleeve; 19. a rotating shaft; 20. a locking piece.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a SMT circuit board location frock clamp, includes frock clamp main part 1, the upper end of frock clamp main part 1 is connected with bracing piece 2, the upper end of bracing piece 2 is connected with locating bench 3, locating bench 3 is U-shaped structure, the upper end of frock clamp main part 1 is connected with fixed riser 4, threaded hole 5 has been seted up in the front of fixed riser 4, the upper end of frock clamp main part 1 is provided with lifting unit 100, the upper end of lifting unit 100 is provided with clamping unit 200.

Simultaneously, the inboard of screw hole 5 is connected with control screw 6, control screw 6 and screw hole 5 threaded connection, through the control screw 6 in rotatory screw hole 5 for splint 8 can carry out the back-and-forth movement, control screw 6 and first sleeve 7 swivelling joint, first sleeve 7 sets up in splint 8's the place ahead, rotates in first sleeve 7 through control screw 6 for splint 8 can not change the angle when the back-and-forth movement, lifting assembly 100 is including pneumatic cylinder 9, piston rod 10, connecting rod 11, pneumatic cylinder 9 sets up the upper end at frock clamp main part 1, the upper end of pneumatic cylinder 9 is connected with piston rod 10, the upper end of piston rod 10 is connected with connecting rod 11, through start pneumatic cylinder 9, can drive connecting rod 11 on piston rod 10 and reciprocate.

In addition, the clamping assembly 200 comprises a fixed clamping arm 12, a spring 13, a movable clamping arm 14 and a handle 15, wherein the fixed clamping arm 12 is arranged in front of the connecting rod 11, the right side of the fixed clamping arm 12 is connected with the spring 13, the right side of the spring 13 is connected with the movable clamping arm 14, the handle 15 is arranged on the right side of the movable clamping arm 14, the spring 13 can be deformed by pulling the handle 15, so that the distance between the fixed clamping arm 12 and the movable clamping arm 14 can be changed, the clamping assembly 200 further comprises a sliding block 16 and a sliding rail 17, the sliding block 16 is arranged at the lower end of the movable clamping arm 14, the sliding block 16 is in sliding connection with the sliding rail 17, the sliding rail 17 is arranged at the upper end of the fixed clamping arm 12, the sliding rail 17 slides left and right through the sliding block 16, so that the movable clamping arm 14 can move directionally, the clamping assembly 200 further comprises a second sleeve 18, a rotating shaft 19 and a locking block 20, the second sleeve 18 is arranged on the right side of the movable clamping arm 14, the second sleeve 19 and the rotating block 19 can rotate conveniently, and the rotating block 20 is arranged on the right side of the rotating sleeve 19, or the rotating block 20 can rotate conveniently.

When the SMT circuit board positioning fixture of the technical scheme is used, firstly, the SMT circuit board to be assembled is placed on the positioning table 3, then the control screw 6 in the rotary threaded hole 5 is rotated, so that the clamping plate 8 can move backwards, the SMT circuit board can be clamped, then the handle 15 is pulled rightwards, the spring 13 stretches, so that the distance between the fixed clamping arm 12 and the movable clamping arm 14 is increased, the sheet-shaped component is tightly attached to the fixed clamping arm 12, then the handle 15 is released, the sheet-shaped component can be clamped through resilience of the spring 13, secondly, the pneumatic cylinder 9 is started, the connecting rod 11 is driven to move downwards through the piston rod 10, after the sheet-shaped component is placed at the target position, the movable clamping arm 14 is pulled rightwards again until the sliding block 16 moves to the rightmost side of the sliding rail 17, the rotating shaft 19 in the second sleeve 18 is rotated, so that the locking block 20 can vertically downwards and be clamped on the rightmost side of the fixed clamping arm 12, and the sheet-shaped component can be locked conveniently and separated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a SMT circuit board location frock clamp, includes frock clamp main part (1), its characterized in that: the upper end of frock clamp main part (1) is connected with bracing piece (2), the upper end of bracing piece (2) is connected with locating bench (3), locating bench (3) are U-shaped structure, the upper end of frock clamp main part (1) is connected with fixed riser (4), screw hole (5) have been seted up in the front of fixed riser (4), the upper end of frock clamp main part (1) is provided with lifting unit (100), the upper end of lifting unit (100) is provided with clamping unit (200).

2. The SMT circuit board positioning fixture of claim 1, wherein: the inner side of the threaded hole (5) is connected with a control screw (6), and the control screw (6) is in threaded connection with the threaded hole (5).

3. The SMT circuit board positioning fixture of claim 2, wherein: the control screw (6) is rotatably connected with the first sleeve (7), and the first sleeve (7) is arranged in front of the clamping plate (8).

4. The SMT circuit board positioning fixture of claim 1, wherein: the lifting assembly (100) comprises a pneumatic cylinder (9), a piston rod (10) and a connecting rod (11), wherein the pneumatic cylinder (9) is arranged at the upper end of the tool clamp main body (1), the upper end of the pneumatic cylinder (9) is connected with the piston rod (10), and the upper end of the piston rod (10) is connected with the connecting rod (11).

5. The SMT circuit board positioning fixture of claim 1, wherein: the clamping assembly (200) comprises a fixed clamping arm (12), a spring (13), a movable clamping arm (14) and a handle (15), wherein the fixed clamping arm (12) is arranged in front of a connecting rod (11), the right side of the fixed clamping arm (12) is connected with the spring (13), the right side of the spring (13) is connected with the movable clamping arm (14), and the handle (15) is arranged on the right side of the movable clamping arm (14).

6. The SMT circuit board positioning tool fixture of claim 5, wherein: the clamping assembly (200) further comprises a sliding block (16) and a sliding rail (17), wherein the sliding block (16) is arranged at the lower end of the movable clamping arm (14), the sliding block (16) is in sliding connection with the sliding rail (17), and the sliding rail (17) is arranged at the upper end of the fixed clamping arm (12).

7. The SMT circuit board positioning tool fixture of claim 6, wherein: the clamping assembly (200) further comprises a second sleeve (18), a rotating shaft (19) and a locking block (20), wherein the second sleeve (18) is arranged on the right side of the movable clamping arm (14), the second sleeve (18) is rotatably connected with the rotating shaft (19), and the locking block (20) is fixed on the right side of the rotating shaft (19).