CN213783714U

CN213783714U - PCB (printed circuit board) processing clamp

Info

Publication number: CN213783714U
Application number: CN202022948024.3U
Authority: CN
Inventors: 张义; 高振凯; 张佳薇; 孙纪国
Original assignee: Henan Jiechengbang Electronic Technology Co ltd
Current assignee: Henan Jiechengbang Electronic Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-23
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a PCB circuit board adds clamping apparatus, which comprises a base, the circumference equipartition is fixed with the first supporting block that a plurality of left and right directions set up on the chassis, first supporting block rotates first pivot and the second pivot that is connected with the horizontal direction, first pivot and second pivot are on same axis, the left end coaxial fixation of first pivot has first bevel gear, the coaxial first screw rod that is fixed with of first pivot, first screw rod threaded connection has first nut, first nut upper end is fixed with first clamp splice, the coaxial second bevel gear that is fixed with of right-hand member of second pivot, the coaxial second screw rod that is fixed with of second pivot, second screw rod threaded connection has the second nut, second nut upper end is fixed with the second clamp splice. Through rotating first pivot, and then control first clamp splice, second clamp splice, third clamp splice and fourth clamp splice and put close or keep away from to the central point of circuit board simultaneously, realize that the synchronous clamp of circuit board all around is tight or is loosened, and the linkage is good, easy operation, and the location is effectual, and degree of automation is high.

Description

PCB (printed circuit board) processing clamp

Technical Field

The utility model relates to a circuit board technical field especially relates to a PCB circuit board adds clamping apparatus.

Background

The PCB is also called a printed circuit board, and is a provider of electrical connection of electronic components. 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 is the tetragonal body structure generally, and the circuit board generally need lock its position when processing procedures such as soldering tin or drilling, and this just needs to use clamping device, and the common anchor clamps in market, it is loaded down with trivial details to operate, and degree of automation is low, increases work burden to there is the inaccurate condition in location, leads to the rejection rate high, has increased manufacturing cost.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a PCB circuit board adds clamping apparatus, the effectual production efficiency that has solved is low, and positioning effect subalternation problem.

The technical scheme includes that the device comprises a chassis, wherein a plurality of first supporting blocks arranged in the left-right direction are uniformly distributed and fixed on the circumference of the chassis, the first supporting blocks are rotatably connected with a first rotating shaft and a second rotating shaft in the horizontal direction, the first rotating shaft and the second rotating shaft are on the same axis, a first bevel gear is coaxially fixed at the left end of the first rotating shaft, a first screw is coaxially fixed on the first rotating shaft, the first screw is in threaded connection with a first nut, a first clamping block is fixed at the upper end of the first nut, a second bevel gear is coaxially fixed at the right end of the second rotating shaft, a second screw is coaxially fixed on the second rotating shaft, the second screw is in threaded connection with a second nut, and a second clamping block is fixed at the upper end of the second nut;

the chassis is provided with a plurality of second supporting blocks which are arranged in the front-back direction in an evenly distributed mode on the circumference, the second supporting blocks are connected with a third rotating shaft and a fourth rotating shaft which are arranged in the front-back direction in a rotating mode, the third rotating shaft and the fourth rotating shaft are arranged on the same axis, a third bevel gear is coaxially fixed at the front end of the third rotating shaft, the third bevel gear is meshed with a first bevel gear and a second bevel gear at the same time, a third screw is coaxially fixed on the third rotating shaft, a third screw cap is in threaded connection with the third screw cap, a third clamping block is fixed at the upper end of the third screw cap, a fourth bevel gear is coaxially fixed at the rear end of the fourth rotating shaft, the fourth bevel gear is meshed with the first bevel gear and the second bevel gear at the same time, a fourth screw is coaxially fixed on the fourth rotating shaft, a fourth screw cap is in threaded connection with a fourth screw cap, and a fourth clamping block is fixed at the upper end of the fourth screw cap.

The utility model discloses the structure is ingenious, and degree of automation is high, and linkage nature is good, realizes that the all-round clamp of circuit board is tight, and location effect is good, easy operation, and work efficiency is high, convenient and practical.

Drawings

Fig. 1 is a schematic view of a front view of the present invention.

Fig. 2 is a schematic view of a cross-sectional view a-a in fig. 1.

Fig. 3 is a schematic view of a three-dimensional structure of the first rotating shaft in the present invention.

Fig. 4 is a schematic diagram of the circuit board in a fixed state.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a PCB processing clamp includes a chassis 1, a plurality of first supporting blocks 2 arranged in the left-right direction are uniformly distributed and fixed on the circumference of the chassis 1, the first supporting blocks 2 are rotatably connected with a first rotating shaft 3 and a second rotating shaft 4 in the horizontal direction, the first rotating shaft 3 and the second rotating shaft 4 are on the same axis, a first bevel gear 5 is coaxially fixed at the left end of the first rotating shaft 3, a first screw 6 is coaxially fixed on the first rotating shaft 3, the first screw 6 is in threaded connection with a first nut 7, a first clamping block 8 is fixed at the upper end of the first nut 7, a second bevel gear 9 is coaxially fixed at the right end of the second rotating shaft 4, a second screw 10 is coaxially fixed on the second rotating shaft 4, the second screw 10 is in threaded connection with a second nut 11, and a second clamping block 12 is fixed at the upper end of the second nut 11;

a plurality of second supporting blocks 13 arranged in the front-back direction are uniformly distributed and fixed on the circumference of the chassis 1, the second supporting blocks 13 are rotatably connected with a third rotating shaft 14 and a fourth rotating shaft 15 which are arranged in the front-back direction, the third rotating shaft 14 and the fourth rotating shaft 15 are on the same axis, a third bevel gear 16 is coaxially fixed at the front end of the third rotating shaft 14, the third bevel gear 16 is simultaneously meshed with the first bevel gear 5 and the second bevel gear 9, a third screw 17 is coaxially fixed on the third rotating shaft 14, the third screw 17 is in threaded connection with a third nut 18, a third clamping block 19 is fixed at the upper end of the third nut 18, a fourth bevel gear 20 is coaxially fixed at the rear end of the fourth rotating shaft 15, the fourth bevel gear 20 is simultaneously meshed with the first bevel gear 5 and the second bevel gear 9, a fourth screw 21 is coaxially fixed on the fourth rotating shaft 15, a fourth nut 22 is in threaded connection with the fourth screw 21, and a fourth clamping block 23 is fixed at the upper end of the fourth nut 22.

And circuit boards 24 are arranged on the upper end surfaces of the first supporting block 2 and the second supporting block 13.

The number of the first supporting blocks 2 is 2, and the number of the second supporting blocks 13 is 2.

In order to ensure the proper rotating speed of the first rotating shaft 3, a motor is fixed on the chassis 1 and is coaxially and fixedly connected with the first rotating shaft 3 through a speed reducer.

The screw thread directions of the first screw 6 and the second screw 10 are the same.

The thread directions of the third screw 17 and the fourth screw 21 are the same.

In order to ensure the smoothness of the movement of the first nut 7 and the second nut 11, a first guide rail 25 is fixed on the first support block 2, and the first nut 7 and the second nut 11 slide left and right along the first guide rail 25.

In order to ensure the smoothness of the movement of the third nut 18 and the fourth nut 22, a second guide rail 26 is fixed on the second supporting block 13, and the third nut 18 and the fourth nut 22 slide back and forth along the second guide rail 26.

The first clamping block, the second clamping block, the third clamping block 19 and the fourth clamping block 23 are all provided with a clamping groove 27 corresponding to the circuit board 24.

A processing device 28 is arranged above the circuit board 24, and the chassis 1 is connected with the processing device 28 through a fixing frame.

When the utility model is used, the terms "front", "back", "left", "right", "up", "down" and other directions or position relations in the utility model are based on the front view, the circuit board 24 to be processed is placed on the upper surface of the first support block 2 and the upper surface of the second support block 13, at this time, the motor is started, the motor drives the first rotating shaft 3 to rotate through the reducer, the proper rotating speed of the first rotating shaft 3 is ensured, the first rotating shaft 3 coaxially drives the first screw 6 and the first bevel gear 5 to rotate, the third bevel gear 16 is simultaneously meshed with the first bevel gear 5 and the second bevel gear 9, the fourth bevel gear 20 is simultaneously meshed with the first bevel gear 5 and the second bevel gear 9, so the first bevel gear 5 simultaneously drives the third bevel gear 16 and the fourth bevel gear 20 to rotate, the third bevel gear 16 and the fourth bevel gear 20 drive the second bevel gear 9 to rotate, the rotating directions of the first bevel gear 5 and the second bevel gear 9 are opposite, the third bevel gear 16 and the fourth bevel gear 20 rotate in opposite directions;

the first bevel gear 5 drives the first screw rod 6 to rotate, the first screw rod 6 drives the first screw cap 7 to slide leftwards along the first guide rail 25, the first screw cap 7 drives the first clamping block 8 to slide leftwards, and then the clamping groove 27 of the first clamping block 8 clamps the left end surface of the circuit board 24, the second bevel gear 9 drives the second screw rod 10 to rotate, the rotation direction of the second screw rod 10 is opposite to that of the first screw rod 6, but the thread rotation directions of the first screw rod 6 and the second screw rod 10 are the same, so the second screw rod 10 drives the second screw cap 11 to slide rightwards along the first guide rail 25, the second screw cap 11 drives the second clamping block 12 to slide rightwards, and then the clamping groove 27 of the second clamping block 12 clamps the right end surface of the circuit board 24;

similarly, the third bevel gear 16 drives the third screw 17 to rotate, the third screw 17 drives the third nut 18 to slide forward along the second guide rail 26, the third nut 18 drives the third clamping block 19 to slide forward, and further the clamping groove 27 of the third clamping block 19 clamps the rear end of the circuit board 24, the fourth bevel gear 20 drives the fourth screw 21 to rotate, the rotation direction of the fourth screw 21 is opposite to that of the third screw 17, because the thread turning directions of the fourth screw 21 and the third screw 17 are the same, the fourth screw 21 drives the fourth nut 22 to slide backward along the second guide rail 26, the fourth nut 22 drives the fourth clamping block 23 to slide backward, the clamping groove 27 of the fourth clamping block 23 clamps the front end of the circuit board 24, the linkage is good, by rotating the first rotating shaft 3, the first clamping block 8, the second clamping block 12, the third clamping block 19 and the fourth clamping block 23 are controlled to approach to the center position of the circuit board 24 at the same time, and synchronous clamping of the circuit board 24 in the front-back and left-right directions is realized, the positioning effect is good, the processing equipment 28 is arranged above the circuit board 24, the chassis 1 is connected with the processing equipment 28 through the fixing frame, the processing equipment 28 is a soldering tin machine or a drilling machine, after the circuit board 24 is fixed, the processing equipment 28 can be started to process, the stability is good, the processing precision is guaranteed, after the processing is finished, the motor is reversed, the first clamping block 8, the second clamping block 12, the third clamping block 19 and the fourth clamping block 23 are simultaneously far away from the central position of the circuit board 24, the circuit board 24 is further easily replaced, the operation is simple, and the working efficiency is high.

The utility model discloses the structure is ingenious, and degree of automation is high, and linkage nature is good, realizes that the all-round clamp of circuit board is tight, and location effect is good, easy operation, and work efficiency is high, and is multiple functional, has fine market value.

Claims

1. A PCB processing clamp is characterized by comprising a chassis (1), wherein a plurality of first supporting blocks (2) arranged in the left-right direction are uniformly distributed and fixed on the circumference of the chassis (1), the first supporting blocks (2) are rotationally connected with a first rotating shaft (3) and a second rotating shaft (4) in the horizontal direction, the first rotating shaft (3) and the second rotating shaft (4) are on the same axis, a first bevel gear (5) is coaxially fixed at the left end of the first rotating shaft (3), a first screw (6) is coaxially fixed on the first rotating shaft (3), a first nut (7) is in threaded connection with the first screw (6), a first clamping block (8) is fixed at the upper end of the first nut (7), a second bevel gear (9) is coaxially fixed at the right end of the second rotating shaft (4), a second screw (10) is coaxially fixed on the second rotating shaft (4), and a second nut (11) is in threaded connection with the second screw (10), a second clamping block (12) is fixed at the upper end of the second screw cap (11);

a plurality of second supporting blocks (13) arranged in the front-back direction are uniformly distributed and fixed on the circumference of the chassis (1), the second supporting blocks (13) are rotationally connected with a third rotating shaft (14) and a fourth rotating shaft (15) arranged in the front-back direction, the third rotating shaft (14) and the fourth rotating shaft (15) are on the same axis, a third bevel gear (16) is coaxially fixed at the front end of the third rotating shaft (14), the third bevel gear (16) is simultaneously meshed with the first bevel gear (5) and the second bevel gear (9), a third screw (17) is coaxially fixed on the third rotating shaft (14), the third screw (17) is in threaded connection with a third nut (18), a third clamping block (19) is fixed at the upper end of the third nut (18), a fourth bevel gear (20) is coaxially fixed at the rear end of the fourth rotating shaft (15), and the fourth bevel gear (20) is simultaneously meshed with the first bevel gear (5) and the second bevel gear (9), a fourth screw rod (21) is coaxially fixed on the fourth rotating shaft (15), a fourth nut (22) is connected to the fourth screw rod (21) in a threaded manner, and a fourth clamping block (23) is fixed at the upper end of the fourth nut (22).

2. The PCB processing clamp according to claim 1, wherein a circuit board (24) is placed on the upper end surface of the first supporting block (2) and the upper end surface of the second supporting block (13).

3. The PCB processing clamp according to claim 1, wherein the number of the first supporting blocks (2) is 2, and the number of the second supporting blocks (13) is 2.

4. The PCB processing clamp according to claim 1, wherein a motor is fixed on the chassis (1), and the motor is coaxially and fixedly connected with the first rotating shaft (3) through a reducer.

5. The PCB processing clamp according to claim 1, wherein the first screw (6) and the second screw (10) have the same thread direction.

6. The PCB processing clamp according to claim 1, wherein the third screw (17) and the fourth screw (21) have the same thread direction.

7. The PCB processing clamp according to claim 1, wherein the first support block (2) is fixed with a first guide rail (25), and the first nut (7) and the second nut (11) slide left and right along the first guide rail (25).

8. The PCB processing clamp of claim 1, wherein a second guide rail (26) is fixed on the second supporting block (13), and the third nut (18) and the fourth nut (22) slide back and forth along the second guide rail (26).

9. The PCB processing clamp according to claim 1, wherein the first clamping block, the second clamping block, the third clamping block (19) and the fourth clamping block (23) are provided with clamping grooves (27) corresponding to the circuit board (24).