CN216930461U

CN216930461U - SMT reflow soldering jig for PCB welding

Info

Publication number: CN216930461U
Application number: CN202220544886.6U
Authority: CN
Inventors: 杨思卫; 胡琴发; 杨思梅
Original assignee: Hangzhou Jieyang Technology Co ltd
Current assignee: Hangzhou Jieyang Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-08
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses an SMT reflow soldering jig for PCB (printed circuit board) welding, which relates to the technical field of reflow soldering jigs and comprises a main body, wherein a support frame is fixedly arranged at the bottom of the main body, and a worm is rotatably connected to the middle position inside the support frame. According to the utility model, after the circuit board is welded, the worm rotates through the transmission rod, the second bevel gear and the first bevel gear in sequence by rotating the hand wheel, the worm rotates through the worm wheel, the first synchronous gear, the synchronous belt and the second synchronous gear, so that the two sets of racks drive the two sets of sliding frames to move outwards, the clamping plate is separated from limiting the circuit board, the worm rotates to drive the screw at the top of the clamping plate to rotate, and the lifting top block is connected with the main body in a sliding manner through the limiting block, so that the lifting top block ejects out the circuit board, the whole operation process is simple and convenient, the circuit board is stable in the welding process, and the circuit board after welding is more convenient to take out.

Description

PCB welded SMT reflow soldering tool

Technical Field

The utility model relates to the technical field of reflow soldering jigs, in particular to an SMT (surface mount technology) reflow soldering jig for PCB (printed circuit board) soldering.

Background

SMT is called electronic circuit surface assembly technology (surface mount technology), which is the most popular technology and process in the electronic assembly industry, and is a circuit assembly technology in which surface assembly components without pins or short leads are mounted on the surface of a printed circuit board or other substrates, and are welded and assembled by means of reflow soldering or dip soldering, and the like.

PCB circuit board among the prior art is carrying out SMT reflow soldering in-process, need put PCB circuit board on SMT reflow soldering tool and stabilize, but is relatively poor and difficult for taking out after the circuit board welding is accomplished to the centre gripping effect of circuit board among the prior art, leads to the whole operation to get up comparatively trouble.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide an SMT reflow soldering jig for PCB soldering, which solves the technical problems that in the prior art, the clamping effect on a circuit board is poor, and the circuit board is difficult to take out after being soldered, so that the whole operation is troublesome.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PCB circuit board welded SMT reflow soldering tool, includes the main part, the fixed support frame that is provided with in main part bottom, the inside intermediate position department of support frame rotates and is connected with the worm, the inside worm wheel that is connected with worm mesh that rotates of support frame, the inside both sides of support frame are rotated and are connected with the gear, worm wheel and gear both ends are fixed respectively and are provided with first synchronizing gear and second synchronizing gear, be connected through synchronous belt drive between first synchronizing gear and the second synchronizing gear, the meshing of gear top has the rack, the rack top is fixed with the carriage with main part sliding connection, the fixed screw rod that is provided with in worm top, the screw rod outside is provided with rather than matched with lift kicking block, and the main part top is run through at lift kicking block top.

Through adopting the above technical scheme, after the circuit board accomplishes the welding, loop through the transfer line through rotating the hand wheel, second bevel gear and first bevel gear make the worm rotate, when the worm rotates, through the worm wheel, first synchronizing gear, hold-in range and second synchronizing gear make the gear revolve, thereby make two sets of racks drive two sets of carriages and move to the outside, thereby make the grip block break away from the spacing to the circuit board, meanwhile, the worm rotates the screw rod that drives its top and rotates, because through stopper sliding connection between lift kicking block and the main part, and then the lift kicking block is ejecting to the circuit board this moment, the whole operation process is comparatively simple and convenient, and make the circuit board after comparatively stable and the welding of being convenient for more accomplish take out in the circuit board welding process.

The utility model is further provided that a first bevel gear is fixedly arranged at the bottom of the worm, a transmission rod is rotatably connected at the middle position of the bottom end in the support frame, and a second bevel gear meshed with the first bevel gear is fixedly arranged at the tail end of the transmission rod.

By adopting the technical scheme, the first bevel gear is meshed with the second bevel gear, so that the worm can rotate conveniently.

The utility model is further provided that a hand wheel is fixedly arranged at one end of the transmission rod, which is far away from the second bevel gear, and anti-skid grains are fixedly arranged on the outer side of the hand wheel.

Through adopting above-mentioned technical scheme, the operation of staff is convenient for to the hand wheel.

The utility model is further arranged that spring frames are fixed at two ends of the inner sides of the two groups of sliding frames, and clamping plates are fixed at the inner sides of the spring frames.

Through adopting above-mentioned technical scheme, the spring frame can make the grip block carry out centre gripping fixed action to the circuit board.

The utility model is further provided that two ends of the lifting top block are fixedly provided with limit blocks extending into the main body, and the main body is internally provided with limit grooves matched with the limit blocks.

By adopting the technical scheme, the limiting block is convenient for lifting the jacking block, and the problem of relative rotation cannot occur.

In summary, the utility model mainly has the following beneficial effects: according to the utility model, after the circuit board is welded, the worm rotates through the transmission rod, the second bevel gear and the first bevel gear in sequence by rotating the hand wheel, the worm rotates through the worm wheel, the first synchronous gear, the synchronous belt and the second synchronous gear, so that the two groups of racks drive the two groups of sliding frames to move outwards, the clamping plate is separated from limiting the circuit board, meanwhile, the worm rotates to drive the screw at the top of the clamping plate to rotate, and the lifting top block is connected with the main body in a sliding mode through the limiting block, so that the lifting top block ejects out the circuit board.

Drawings

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

FIG. 2 is an exploded view of the internal structure of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a main body; 2. a support frame; 3. a worm; 4. a worm gear; 5. a first synchronizing gear; 6. a gear; 7. a second synchronizing gear; 8. a synchronous belt; 9. a rack; 10. a carriage; 11. a spring holder; 12. a clamping plate; 13. a screw; 14. lifting the jacking block; 15. a limiting block; 16. a first bevel gear; 17. a second bevel gear; 18. a transmission rod; 19. a handwheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An SMT reflow soldering jig for PCB circuit board soldering comprises a main body 1, wherein a support frame 2 is fixedly arranged at the bottom of the main body 1, a worm 3 is rotatably connected at the middle position inside the support frame 2, a worm wheel 4 meshed with the worm 3 is rotatably connected inside the support frame 2, gears 6 are rotatably connected at two sides inside the support frame 2, a first synchronizing gear 5 and a second synchronizing gear 7 are respectively and fixedly arranged at two ends of the worm wheel 4 and the gear 6, the first synchronizing gear 5 and the second synchronizing gear 7 are in transmission connection through a synchronous belt 8, a rack 9 is meshed at the top of the gear 6, a sliding frame 10 in sliding connection with the main body 1 is fixed at the top of the rack 9, a screw 13 is fixedly arranged at the top of the worm 3, a lifting top block 14 matched with the screw 13 is arranged at the outer side of the screw 13, the top of the lifting top block 14 penetrates through the top of the main body 1, spring frames 11 are fixed at two ends of the inner sides of the two sliding frames 10, the inner sides of the spring frames 11 are all fixed with clamping plates 12, the worm 3 rotates to drive a screw 13 at the top of the worm to rotate, the lifting ejector block 14 is connected with the main body 1 in a sliding mode through a limiting block 15, the lifting ejector block 14 ejects a circuit board at the moment, the whole operation process is simple and convenient, the circuit board is stable in the circuit board welding process and can be taken out after welding is completed more conveniently, a first bevel gear 16 is fixedly arranged at the bottom of the worm 3, a transmission rod 18 is rotatably connected to the middle position of the bottom end inside the support frame 2, a second bevel gear 17 meshed with the first bevel gear 16 is fixedly arranged at the tail end of the transmission rod 18, a hand wheel 19 is fixedly arranged at one end, far away from the second bevel gear 17, of the transmission rod 18, and anti-skid grains are fixedly arranged on the outer side of the hand wheel 19.

Referring to fig. 1 and 2, two ends of the lifting top block 14 are fixedly provided with limit blocks 15 extending into the main body 1, and the main body 1 is internally provided with limit grooves matched with the limit blocks 15.

The working principle of the utility model is as follows: when the circuit board welding clamp is used, a circuit board to be welded is placed in the middle of the top of the main body 1, and the clamping plate 12 is driven by the spring frame 11 to clamp and fix the circuit board;

after the circuit board is welded, the worm 4 is rotated by rotating the hand wheel 19 sequentially through the transmission rod 18, the second bevel gear 17 and the first bevel gear 16, the worm 3 rotates, and simultaneously, the gear 6 is rotated through the worm wheel 3, the first synchronous gear 5, the synchronous belt 8 and the second synchronous gear 7, so that the two groups of racks 9 drive the two groups of sliding frames 10 to move outwards, and the clamping plate 12 is separated from limiting the circuit board;

meanwhile, the worm 3 rotates to drive the screw 13 at the top of the worm to rotate, and the lifting top block 14 is connected with the main body 1 in a sliding mode through the limiting block 15, so that the circuit board is ejected by the lifting top block 14 at the moment, the whole operation process is simple and convenient, and the circuit board after the welding is completed in the circuit board welding process is stable and is convenient to take out.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a PCB circuit board welded SMT reflow soldering tool, includes main part (1), its characterized in that: the bottom of the main body (1) is fixedly provided with a support frame (2), the middle position inside the support frame (2) is rotatably connected with a worm (3), the inside of the support frame (2) is rotatably connected with a worm wheel (4) meshed with the worm (3), two sides inside the support frame (2) are rotatably connected with gears (6), two ends of the worm wheel (4) and the gear (6) are respectively and fixedly provided with a first synchronous gear (5) and a second synchronous gear (7), the first synchronous gear (5) and the second synchronous gear (7) are in transmission connection through a synchronous belt (8), the top of the gear (6) is meshed with a rack (9), the top of the rack (9) is fixedly provided with a sliding frame (10) in sliding connection with the main body (1), the top of the worm (3) is fixedly provided with a screw rod (13), and the outer side of the screw rod (13) is provided with a lifting top block (14) matched with the screw rod, and the top of the lifting top block (14) penetrates through the top of the main body (1).

2. An SMT reflow soldering jig according to claim 1, wherein: the bottom of the worm (3) is fixedly provided with a first bevel gear (16), the middle position of the bottom end in the support frame (2) is rotatably connected with a transmission rod (18), and the tail end of the transmission rod (18) is fixedly provided with a second bevel gear (17) meshed with the first bevel gear (16).

3. An SMT reflow soldering jig according to claim 2, wherein: and a hand wheel (19) is fixedly arranged at one end of the transmission rod (18) far away from the second bevel gear (17), and anti-skid grains are fixedly arranged on the outer side of the hand wheel (19).

4. An SMT reflow soldering jig according to claim 1, wherein: spring frames (11) are fixed at two ends of the inner sides of the two sliding frames (10), and clamping plates (12) are fixed on the inner sides of the spring frames (11).

5. An SMT reflow soldering jig according to claim 1, wherein: the lifting top block (14) is characterized in that two ends of the lifting top block (14) are fixedly provided with limit blocks (15) extending to the inside of the main body (1), and limit grooves matched with the limit blocks (15) are formed in the main body (1).