CN216729977U

CN216729977U - PCB welding fixture

Info

Publication number: CN216729977U
Application number: CN202121574555.9U
Authority: CN
Inventors: 叶华生
Original assignee: Wuhan Kelijie Electronic Technology Co ltd
Current assignee: Wuhan Kelijie Electronic Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-06-14
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a PCB welding fixture, which comprises a fixture table, wherein a clamping mechanism is arranged on the upper surface of the fixture table, and a turnover mechanism is arranged on one side of the clamping mechanism; the clamping mechanism comprises a double-threaded screw, the double-threaded screw is rotatably connected with the fixture table, a sliding groove is formed in the upper surface of the fixture table, a sliding block is symmetrically and slidably connected to the inner wall of the sliding groove, the double-threaded screw is rotatably connected with a sliding block thread, compared with the prior art, the first handle is arranged on the knob, the first handle drives the double-threaded screw to rotate, the double-threaded screw enables the two sets of sliding blocks to move oppositely, the sliding blocks drive the vertical plates and the U-shaped fixture sleeve to move, the second handle drives the adjusting screw to rotate through the knob, the adjusting screw enables the guide block to move downwards, the guide block drives the clamping plate and the second rubber pad to move downwards, clamping of the PCB is conveniently completed, and therefore the stability of the PCB is effectively improved, and the effect of follow-up welding of the PCB is effectively improved.

Description

PCB welding fixture

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a PCB welding clamp.

Background

PCB circuit board: the printed circuit board is also called as a support body of the electronic component and a carrier for electrical connection of the electronic component, and the circuit board has the main advantages of greatly reducing errors of wiring and assembly and improving the automation level and the production labor rate. The PCB circuit board in the prior art has the following problems during welding:

the PCB circuit board needs to be clamped when the PCB circuit board is welded in the prior art, then welding operation is carried out, the size of the PCB circuit board is large, the clamp in the prior art cannot firmly clamp the PCB circuit board, the welding effect of the subsequent PCB circuit board is poor, meanwhile, when welding processing is needed to be carried out on the back face of the PCB circuit board, the PCB circuit board cannot be conveniently turned over due to the clamp in the prior art, the subsequent PCB circuit board is not convenient to weld, and therefore the PCB circuit board welding clamp is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a PCB welding fixture to solve the above problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a PCB welding fixture comprises a fixture table, wherein a clamping mechanism is arranged on the upper surface of the fixture table, and a turnover mechanism is arranged on one side of the clamping mechanism;

the clamping mechanism comprises a double-headed screw rod which is rotationally connected with a clamp platform, the upper surface of the clamp platform is provided with a chute, the inner wall of the sliding groove is symmetrically and slidably connected with sliding blocks, the double-thread screw is in threaded rotation connection with the sliding blocks, the upper surfaces of two groups of sliding blocks are fixedly connected with vertical plates, the opposite sides of two groups of vertical plates are rotatably connected with rotating rods, one end of each group of rotating rods is fixedly connected with a U-shaped clamp sleeve, the surfaces of the two groups of U-shaped clamp sleeves are rotatably connected with adjusting screws, the inner walls of the two groups of U-shaped clamp sleeves are provided with guide grooves, and the inner walls of the two groups of guide grooves are slidably connected with guide blocks, the adjusting screw is in threaded rotation connection with the guide blocks, the opposite sides of the two groups of guide blocks are fixedly connected with clamping plates, and the clamping plates are in movable contact with the inner wall of the U-shaped clamp sleeve.

Preferably, the both sides of anchor clamps platform are the equal symmetry fixedly connected with mounting panel, the upper surface screw thread of mounting panel is connected with mounting bolt.

Preferably, a first handle is fixedly installed at one end of the double-end screw.

Preferably, one side of a set of riser is rotated and is connected with spacing bolt, one end of spacing bolt and one side screw thread of U type anchor clamps cover are rotated and are connected.

Preferably, the inner walls of the two groups of U-shaped clamp sleeves are fixedly provided with first rubber pads.

Preferably, two sets of adjusting screw's the equal fixedly connected with second handle of one end, two sets of the equal fixed mounting of lower surface of grip block has the second rubber pad, the inner wall movable contact of one side U type anchor clamps cover of second rubber pad.

Preferably, tilting mechanism is including the worm, and is a set of one side fixed mounting of riser has the fixed plate, the one end of worm and the upper surface rotation of fixed plate are connected, and are a set of the one end fixedly connected with worm wheel of dwang, worm wheel and worm meshing are connected.

Preferably, an adjusting rod is fixedly installed at one end of the worm.

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

1. through the knob first handle, the first handle drives the double-threaded screw to rotate, the double-threaded screw enables the two groups of sliding blocks to move oppositely, the sliding blocks drive the vertical plate and the U-shaped clamp sleeve to move, through the knob second handle, the second handle drives the adjusting screw to rotate, the adjusting screw enables the guide block to move downwards, and the guide block drives the clamping plate and the second rubber pad to move downwards, so that the clamping of the PCB is conveniently completed, the stability of the PCB is effectively improved, and the subsequent PCB welding effect is effectively improved;

2. through the knob regulation pole, adjust the pole and drive the worm and rotate, the worm drives the worm wheel and rotates, and the worm wheel drives the dwang and rotates, and the dwang drives U type anchor clamps cover and rotates, and U type anchor clamps cover drives the PCB circuit board and rotates to the upset of PCB circuit board has been accomplished to the convenience, and then the effectual convenience that has improved follow-up welding PCB circuit board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is another schematic structural view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

in the figure: 1. a jig stage; 11. mounting a plate; 12. installing a bolt; 2. a clamping mechanism; 21. a double-ended screw; 22. a first handle; 23. a chute; 24. a slider; 25. a vertical plate; 26. a limit bolt; 27. rotating the rod; 28. a U-shaped clamp sleeve; 281. a first rubber pad; 29. adjusting the screw rod; 291. a second handle; 292. a guide groove; 293. a guide block; 294. a clamping plate; 295. a second rubber pad; 3. a turnover mechanism; 31. a worm; 32. adjusting a rod; 33. a fixing plate; 34. a worm gear.

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.

Example (b): as shown in fig. 1-3, the utility model provides a PCB circuit board welding fixture, which comprises a fixture table 1, wherein a clamping mechanism 2 is arranged on the upper surface of the fixture table 1, and a turnover mechanism 3 is arranged on one side of the clamping mechanism 2;

the clamping mechanism 2 comprises a double-thread screw 21, the double-thread screw 21 is rotationally connected with the clamp platform 1, a chute 23 is arranged on the upper surface of the clamp platform 1, sliders 24 are symmetrically and slidably connected to the inner wall of the chute 23, the double-thread screw 21 is in threaded rotational connection with the sliders 24, the double-thread screw 21 can enable two groups of sliders 24 to move in opposite directions or in opposite directions along the surface of the chute 23 through a knob double-thread screw 21, vertical plates 25 are fixedly connected to the upper surfaces of the two groups of sliders 24, the sliders 24 can drive the vertical plates 25 to move in the horizontal direction, rotating rods 27 are rotationally connected to opposite sides of the two groups of vertical plates 25, U-shaped clamp sleeves 28 are fixedly connected to one ends of the two groups of rotating rods 27, the rotating rods 27 can drive the U-shaped clamp sleeves 28 to rotate, adjusting screws 29 are rotationally connected to the surfaces of the two groups of U-shaped clamp sleeves 28, guide grooves 292 are arranged on the inner walls of the two groups of U-shaped clamp sleeves 28, guide blocks 292 are slidably connected to guide blocks 293, adjusting screw 29 and guide block 293 screw thread are connected, through knob adjusting screw 29, adjusting screw 29 can make guide block 293 slide along the perpendicular direction in surface of guide way 292, and the equal fixedly connected with grip block 294 in opposite side of two sets of guide blocks 293, and guide block 293 can drive grip block 294 vertical direction and move, and grip block 294 can the centre gripping PCB circuit board of treating the welding, the inner wall movable contact of grip block 294 and U type anchor clamps cover 28.

Further, the both sides of anchor clamps platform 1 are the equal symmetry fixedly connected with mounting panel 11, and the upper surface screw thread of mounting panel 11 rotates and is connected with mounting bolt 12, through knob mounting bolt 12, the installation and the dismantlement of realization anchor clamps platform 1 that can be convenient.

Further, the one end fixed mounting of double-end screw 21 has first handle 22, and through the first handle 22 of knob, first handle 22 can drive double-end screw 21 and rotate.

Further, one side of a set of riser 25 is rotated and is connected with limit bolt 26, and limit bolt 26's one end and one side screw thread of U type anchor clamps cover 28 are rotated and are connected, and one side symmetry of a set of U type anchor clamps cover 28 is provided with two sets of screw holes, and limit bolt 26 can be through a set of screw hole and U type anchor clamps cover 28 threaded connection, and simultaneously, a set of U type anchor clamps cover 28 that correspond can be avoided rotating by limit bolt 26, improves U type anchor clamps cover 28's stability.

Further, the inner walls of the two sets of U-shaped clamp sleeves 28 are fixedly provided with first rubber pads 281, the PCB to be welded can be placed on the upper surface of the first rubber pads 281, and the first rubber pads 281 can prevent the outer surface of the PCB from being worn.

Furthermore, one end of each of the two sets of adjusting screws 29 is fixedly connected with a second handle 291, the second handle 291 can drive the adjusting screws 29 to rotate by turning the second handle 291, a second rubber pad 295 is fixedly mounted on the lower surface of each of the two sets of clamping plates 294, the second rubber pads 295 are in contact with the upper surface of the PCB, so that the outer surface of the PCB is prevented from being abraded, and the inner wall of the U-shaped clamp sleeve 28 on one side of the second rubber pad 295 is in movable contact with the inner wall of the PCB.

Further, tilting mechanism 3 is including worm 31, one side fixed mounting of a set of riser 25 has fixed plate 33, the one end of worm 31 and the upper surface rotation of fixed plate 33 are connected, fixed plate 33 can be effectual improvement worm 31 stability when rotating, the one end fixedly connected with worm wheel 34 of a set of dwang 27, worm wheel 34 and worm 31 meshing are connected, through knob worm 31, worm 31 can drive worm wheel 34 and rotate, worm wheel 34 can drive dwang 27 and rotate, and then realize the upset of PCB circuit board.

Furthermore, an adjusting rod 32 is fixedly installed at one end of the worm 31, and the adjusting rod 32 can drive the worm 31 to rotate by rotating the adjusting rod 32.

The working principle is as follows: when a PCB needs to be clamped, a worker firstly turns the first handle 22, the first handle 22 drives the double-threaded screw 21 to rotate, the double-threaded screw 21 simultaneously enables the two groups of sliding blocks 24 to move oppositely along the surface of the sliding groove 23, the two groups of sliding blocks 24 drive the corresponding vertical plates 25 and the U-shaped clamp sleeves 28 to horizontally move until the distance between the two groups of U-shaped clamp sleeves 28 meets the size specification of the PCB to be clamped, then the first handle 22 is stopped, the PCB is placed between the two groups of U-shaped clamp sleeves 28, the PCB is positioned on the upper surfaces of the two groups of first rubber pads 281, then the two groups of second handles 291 are respectively turned, the two groups of second handles 291 drive the corresponding adjusting screws 29 to rotate, the two groups of adjusting screws 29 simultaneously enable the corresponding guide blocks 293 to vertically move downwards along the surfaces of the corresponding guide grooves 292, the two groups of guide blocks 293 drive the corresponding clamping plates 294 and the second rubber pads 295 to vertically move downwards, until the lower surfaces of the two sets of second rubber pads 295 contact with the upper surface of the PCB and clamp the PCB, the two sets of second handles 291 are stopped, so as to conveniently complete the clamping of the PCB, thereby effectively improving the stability of the PCB and effectively improving the effect of subsequent PCB welding, when the back side of the PCB needs to be welded, a worker firstly takes out the limit bolt 26 from the inside of one set of threaded holes through the limit bolt 26, then turns the lever 32, the lever 32 drives the worm 31 to rotate, the worm 31 drives the worm wheel 34 to rotate, the worm wheel 34 drives the corresponding set of rotating levers 27 to rotate, the corresponding set of rotating levers 27 drives the corresponding set of U-shaped clamp sleeves 28 to rotate, thereby enabling the two sets of U-shaped clamp sleeves 28 to drive the PCB to rotate, and then the rotation of the lever 32 is stopped until the back side of the PCB is vertically upward, and the limiting bolt 26 is screwed to the inside of the other group of threaded holes and is in threaded fixation with the corresponding group of U-shaped clamp sleeves 28, so that the PCB is conveniently turned over, and the convenience of subsequent welding of the PCB is effectively improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a PCB circuit board welding jig, includes anchor clamps platform (1), its characterized in that: the upper surface of the clamp table (1) is provided with a clamping mechanism (2), and one side of the clamping mechanism (2) is provided with a turnover mechanism (3);

the clamping mechanism (2) comprises a double-thread screw (21), the double-thread screw (21) is rotatably connected with the clamp platform (1), a sliding groove (23) is formed in the upper surface of the clamp platform (1), a sliding block (24) is symmetrically and slidably connected to the inner wall of the sliding groove (23), the double-thread screw (21) is rotatably connected with the sliding block (24) in a threaded manner, two groups of vertical plates (25) are fixedly connected to the upper surface of the sliding block (24), two groups of vertical plates (25) are rotatably connected to opposite sides of the rotating rod (27), two groups of U-shaped clamp sleeves (28) are fixedly connected to one end of the rotating rod (27), an adjusting screw (29) is rotatably connected to the surface of each U-shaped clamp sleeve (28), a guide groove (292) is formed in the inner wall of each U-shaped clamp sleeve (28), and a guide block (293) is slidably connected to the inner wall of each guide groove (292), the adjusting screw rods (29) are in threaded rotary connection with the guide blocks (293), the opposite sides of the two groups of guide blocks (293) are fixedly connected with clamping plates (294), and the clamping plates (294) are in movable contact with the inner walls of the U-shaped clamp sleeves (28).

2. The PCB welding fixture as recited in claim 1, characterized in that mounting plates (11) are symmetrically and fixedly connected to both sides of the fixture table (1), and mounting bolts (12) are rotatably connected to the upper surface of the mounting plates (11) in a threaded manner.

3. The PCB welding jig of claim 1, wherein one end of the double-threaded screw (21) is fixedly provided with a first handle (22).

4. The PCB welding fixture as claimed in claim 1, wherein a set of the risers (25) is rotatably connected with a limit bolt (26) at one side, and one end of the limit bolt (26) is rotatably connected with a screw thread at one side of the U-shaped fixture sleeve (28).

5. The PCB welding fixture as recited in claim 1, wherein the inner walls of the two sets of U-shaped fixture sleeves (28) are fixedly provided with first rubber pads (281).

6. The PCB welding fixture as claimed in claim 1, wherein one end of each of the two sets of adjusting screws (29) is fixedly connected with a second handle (291), a second rubber pad (295) is fixedly mounted on the lower surface of each of the two sets of clamping plates (294), and the inner wall of the U-shaped clamping sleeve (28) on one side of the second rubber pad (295) is movably contacted.

7. The PCB welding fixture according to claim 1, wherein the turnover mechanism (3) comprises a worm (31), a set of fixed plates (33) is fixedly installed on one side of the vertical plate (25), one end of the worm (31) is rotatably connected with the upper surface of the fixed plate (33), one end of the set of rotating rods (27) is fixedly connected with a worm wheel (34), and the worm wheel (34) is engaged with the worm (31).

8. The PCB welding jig of claim 7, wherein an adjusting rod (32) is fixedly installed at one end of the worm (31).