CN216357528U

CN216357528U - Printed circuit board fixture

Info

Publication number: CN216357528U
Application number: CN202122686536.1U
Authority: CN
Inventors: 李洁
Original assignee: Tianjin Day Automation Equipment Co ltd
Current assignee: Tianjin Day Automation Equipment Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-19
Anticipated expiration: 2031-11-04

Abstract

The utility model belongs to the technical field of clamping equipment, in particular to a clamping mechanism of a printed circuit board, which comprises a workbench, wherein two vertical plates are fixedly arranged at the top of the workbench, a transverse plate is fixedly arranged at the top of the two vertical plates, a lifting structure is fixedly arranged at the bottom of the transverse plate, a printing device is fixedly arranged at the output end of the lifting structure, two vertical plates are fixedly arranged at the top of the workbench, a first rotating shaft and a second rotating shaft are respectively and movably arranged on the two vertical plates, and clamping structures are respectively arranged at the ends, close to the first rotating shaft and the second rotating shaft, of the first rotating shaft and the second rotating shaft, the clamping structures are arranged at the ends, close to each other, of the first rotating shaft and the second rotating shaft, the circuit board can be prevented from bending and deforming in the clamping process, and can be rotated without taking down the circuit board to turn over through the matching of the rotating shafts and the clamping structures, the printing efficiency is improved.

Description

Printed circuit board fixture

Technical Field

The utility model relates to the technical field of clamping equipment, in particular to a clamping mechanism of a printed circuit board.

Background

The names of the circuit boards are as follows: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. 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, the printing of the circuit board is also an important process in the manufacturing process of the circuit board, a fixing and clamping structure is arranged below the printing equipment, the fixing and clamping structure is fixed, and then the circuit is printed.

However, in the prior art, most clamping structures transversely clamp the left side and the right side of a workpiece, when the clamping force is too large, a circuit board is deformed and bent, the existing clamping structures do not have a rotating function, and when a circuit on the other side is printed, the circuit board needs to be taken down and clamped and fixed again, so that the efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a printed circuit board clamping mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a printed circuit board fixture, includes the workstation, the fixed two risers that are equipped with in top of workstation, two the fixed diaphragm that is equipped with in top of riser, the fixed elevation structure that is equipped with in bottom of diaphragm, elevation structure's output end is fixed and is equipped with the lithography apparatus, the fixed two risers that are equipped with in top of workstation, two the activity is equipped with first pivot and second pivot respectively on the riser, the one end that first pivot and second pivot are close to mutually all is equipped with clamping structure.

Preferably, four support legs which are arranged in a rectangular shape are fixedly arranged at the bottom of the workbench.

Preferably, a circular hole is formed in the vertical plate, a bearing is arranged on the inner wall of the circular hole, an outer ring of the bearing is fixedly connected with the inner wall of the circular hole, and an inner ring of the bearing is fixedly sleeved on the first rotating shaft.

Preferably, the clamping structure includes the mounting bracket, the activity is equipped with two-way threaded rod on the top inner wall of mounting bracket and the bottom inner wall, the top of two-way threaded rod extends to the mounting bracket outside and the fixed runner that is equipped with, the activity is equipped with the pilot pin on the runner, the activity is equipped with two holding pieces on the two-way threaded rod, two one side that the holding piece is close to mutually all is equipped with the slipmat.

Preferably, the runner is provided with a rod through hole, a sealing ring is arranged in the rod through hole, the positioning bolt is connected with the inner wall of the sealing ring in a sliding manner, the top of the mounting frame is provided with a positioning groove, and the positioning bolt is matched with the positioning groove.

Preferably, a round hole is formed in the clamping piece, threads are arranged on the inner wall of the round hole, and the bidirectional threaded rod is matched with the threads on the inner wall of the round hole.

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

the clamping mechanism is simple to operate and convenient to use, the two groups of clamping structures capable of clamping longitudinally are arranged, the circuit board can be prevented from bending and deforming in the clamping process, meanwhile, the rotating shaft is matched with the clamping structures, the rotation can be realized, the circuit board can be turned over without being taken down, and the printing efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of a clamping structure of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

in the figure: 1. a work table; 2. a vertical plate; 3. a transverse plate; 4. a lifting structure; 5. a printing device; 6. a vertical plate; 7. a first rotating shaft; 8. a second rotating shaft; 9. a clamping structure; 901. a mounting frame; 902. a bidirectional threaded rod; 903. a rotating wheel; 904. positioning bolts; 905. a clamping piece; 906. a non-slip mat.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a printed circuit board clamping mechanism comprises a workbench 1, wherein two vertical plates 2 are mounted on top bolts of the workbench 1, transverse plates 3 are mounted on top bolts of the two vertical plates 2, lifting structures 4 are mounted on bottom bolts of the transverse plates 3, printing equipment 5 is mounted on output end bolts of the lifting structures 4, two vertical plates 6 are mounted on top bolts of the workbench 1, a first rotating shaft 7 and a second rotating shaft 8 are respectively rotatably mounted on the two vertical plates 6, and clamping structures 9 are arranged at the ends, close to the first rotating shaft 7 and the second rotating shaft 8, of the first rotating shaft 7 and the second rotating shaft 8;

four support legs which are arranged in a rectangular shape are welded at the bottom of the workbench 1, a circular hole is formed in the vertical plate 6, a bearing is arranged on the inner wall of the circular hole, an outer ring of the bearing is welded with the inner wall of the circular hole, an inner ring of the bearing is fixedly sleeved on the first rotating shaft 7, the clamping structure 9 comprises a mounting frame 901, a bidirectional threaded rod 902 is rotatably arranged on the inner wall of the top and the inner wall of the bottom of the mounting frame 901, the top of the bidirectional threaded rod 902 extends out of the mounting frame 901 and is welded with a rotating wheel 903, a positioning bolt 904 is slidably arranged on the rotating wheel 903, two clamping pieces 905 are threadedly arranged on the bidirectional threaded rod 902, anti-skid pads 906 are arranged on the sides, close to the two clamping pieces 905, a rod through hole is formed in the rotating wheel 903, a sealing ring is arranged in the rod through hole, the positioning bolt 904 is slidably connected with the inner wall of the sealing ring, a positioning groove is formed in the top of the mounting frame 901, the positioning bolt is matched with the positioning groove, a circular hole is formed in the clamping piece 904, the round hole inner wall is equipped with the screw thread, two-way threaded rod 902 and round hole inner wall screw thread looks adaptation, in use, at first place the circuit board between two sets of holding pieces 905, then upwards mention two gim peg 904, rotate two runners 903 along with the pointer after that, runner 903 drives two-way threaded rod 902 again, two-way threaded rod 902 drives two holding pieces 905 and is close to mutually, until fixing the circuit board clamp, loosen the gim peg 904 at last, make gim peg 904 inject in the constant head tank at mounting bracket 901 top, start printing equipment 5 and can print the circuit board, when printing finishes and need process the other side, directly rotate first pivot 7, first pivot 7 drives clamping structure 9, clamping structure 9 drives the circuit board again and rotates, after the circuit board another side overturns the top, can continue processing.

The working principle is as follows: during the use, at first place the circuit board between two sets of holding pieces 905, then upwards mention two gim peg 904, after that, two runners 903 are rotated along the pointer, runner 903 drives two-way threaded rod 902 again, two-way threaded rod 902 drives two holding pieces 905 and is close to mutually, until fixing the circuit board clamp, loosen gim peg 904 at last, make gim peg 904 inject in the constant head tank at mounting bracket 901 top, start printing apparatus 5 and can print the circuit board, when printing finishes and need process another side, directly rotate first pivot 7, first pivot 7 drives clamping structure 9, clamping structure 9 drives the circuit board again and rotates, after the circuit board another side overturns the top, can continue processing.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 printed circuit board fixture, includes workstation (1), its characterized in that: the fixed two risers (2) that are equipped with in top of workstation (1), two the fixed diaphragm (3) that is equipped with in top of riser (2), the fixed elevation structure (4) that is equipped with in bottom of diaphragm (3), the fixed printing equipment (5) that is equipped with of output of elevation structure (4), the fixed two risers (6) that are equipped with in top of workstation (1), two the activity is equipped with first pivot (7) and second pivot (8) respectively on riser (6), the one end that first pivot (7) and second pivot (8) are close to mutually all is equipped with clamping structure (9).

2. A printed circuit board clamping mechanism as claimed in claim 1, wherein: four support legs which are arranged in a rectangular shape are fixedly arranged at the bottom of the workbench (1).

3. A printed circuit board clamping mechanism as claimed in claim 1, wherein: round holes are formed in the vertical plate (6), bearings are arranged on the inner walls of the round holes, outer rings of the bearings are fixedly connected with the inner walls of the round holes, and inner rings of the bearings are fixedly sleeved on the first rotating shaft (7).

4. A printed circuit board clamping mechanism as claimed in claim 1, wherein: the clamping structure (9) comprises a mounting frame (901), a bidirectional threaded rod (902) is movably arranged on the inner wall of the top and the inner wall of the bottom of the mounting frame (901), the top of the bidirectional threaded rod (902) extends to the outside of the mounting frame (901) and is fixedly provided with a runner (903), a positioning bolt (904) is movably arranged on the runner (903), two clamping pieces (905) are movably arranged on the bidirectional threaded rod (902), and two anti-slip pads (906) are arranged on one sides, close to each other, of the clamping pieces (905).

5. A printed circuit board clamping mechanism according to claim 4, wherein: the runner (903) is provided with a rod through hole, a sealing ring is arranged in the rod through hole, the positioning bolt (904) is connected with the inner wall of the sealing ring in a sliding mode, the top of the mounting frame (901) is provided with a positioning groove, and the positioning bolt (904) is matched with the positioning groove.

6. A printed circuit board clamping mechanism according to claim 4, wherein: the clamping piece (905) is provided with a round hole, the inner wall of the round hole is provided with threads, and the bidirectional threaded rod (902) is matched with the threads on the inner wall of the round hole.