CN214046176U

CN214046176U - Concave PCB concave rim charge cutting mechanism

Info

Publication number: CN214046176U
Application number: CN202023109379.XU
Authority: CN
Inventors: 刘长松; 王宏; 查红平; 高猛
Original assignee: Red Board Jiangxi Co ltd
Current assignee: Jiangxi Redboard Technology Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to the technical field of circuit board processing devices, and discloses a concave PCB concave edge material cutting mechanism, which comprises a box body, wherein the back of the box body is fixedly provided with a motor, the output end of the motor is fixedly provided with a driving wheel shaft through a speed reducer, two sides of the back of the box body are both rotatably provided with threaded rods, the outer surfaces of the threaded rods are provided with power transmission belts through the transmission of driven wheels, the outer surfaces of the two threaded rods are both provided with a sliding block through threads, the concave PCB concave edge material cutting mechanism is characterized in that two electric telescopic rods are matched with two L-shaped fixed blocks to drive a PCB board to enter an L-shaped fixed groove, then the PCB board is driven to move backwards through the cooperation of the motor with the driving wheel shaft, the power transmission belts, the threaded rods and the sliding block, when the PCB board moves to the bottom of a three-edge cutter, a hydraulic device is started to be matched with a connecting block to drive the three-edge cutter to cut the concave edge of the PCB, the smoothness of cutting the concave rim charge is ensured.

Description

Concave PCB concave rim charge cutting mechanism

Technical Field

The utility model relates to a circuit board processingequipment technical field specifically is a character cut in bas-relief shape PCB concave position rim charge cutting mechanism.

Background

The PCB is called a printed circuit board, also called a printed circuit board, and is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Since it is manufactured by electronic printing, it is called "printed" circuit board, and the concave rim charge is cut when manufacturing the concave PCB board.

When the existing concave-shaped PCB concave rim charge cutting mechanism is used, a PCB is not fixed firmly when the cutting mechanism cuts the concave rim charge, the concave rim charge of the PCB is easily cut out unevenly, and the finished product rate of the PCB cutting is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a concave shape PCB concave position rim charge cutting mechanism possesses through the fixed to the PCB board, has guaranteed the planarization that PCB concave position rim charge was tailor, has improved advantages such as the yield that the PCB board was tailor, has solved cutting mechanism and has fixed not firm when tailorring PCB concave position rim charge, leads to PCB concave position rim charge to tailor the unevenness easily, and then influences the problem that the finished product rate was tailor to the PCB board.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: a concave-shaped PCB concave-position rim charge cutting mechanism comprises a box body, wherein a motor is fixedly installed on the back surface of the box body, a driving wheel shaft is fixedly installed at the output end of the motor through a speed reducer, threaded rods are rotatably installed on two sides of the back surface of the box body, a power conveying belt is installed on the outer surface of each threaded rod through a driven wheel in a transmission mode, the outer surface of each driving wheel shaft is in transmission connection with the inner surface of the power conveying belt, the front ends of the threaded rods penetrate through the box body and extend into the box body, sliding blocks are installed on the outer surfaces of the two threaded rods in a threaded mode, the tops of the sliding blocks are in sliding connection with the top of an inner cavity of the box body, an operation table is fixedly installed between the two sliding blocks, electric telescopic rods are fixedly installed on two sides of the top of the operation table, L-shaped fixing blocks are fixedly installed at opposite ends of the two electric telescopic rods, and L-shaped fixing grooves are formed in the bottoms of the two L-shaped fixing blocks, the top of operation panel runs through and has seted up the grooving, the top fixed mounting of box inner chamber has hydraulic means, hydraulic means's bottom has trilateral cut-off knife through connecting block movable mounting, trilateral cut-off knife's surface and the internal surface looks adaptation of grooving.

Preferably, the left side and the right side of the inner cavity of the box body are fixedly provided with supporting plates, the top of each supporting plate is connected with the bottom of the corresponding sliding block in a sliding mode, the bottom of each connecting block is provided with a T-shaped clamping groove, the front of each connecting block is provided with a movable groove, and the movable grooves are communicated with the T-shaped clamping grooves.

Preferably, the inside of the connecting block is provided with a rectangular groove, and the rectangular groove is communicated with the movable groove.

Preferably, the inner wall of the movable groove is slidably provided with a clamping rod, and the outer surface of the clamping rod is fixedly provided with a stop block.

Preferably, the front surface of the stop block is fixedly provided with a spring, and the inner surface of the spring is sleeved with the outer surface of the clamping rod.

Preferably, a T-shaped clamping block is fixedly mounted at the top of the three-edge cutter, and the outer surface of the T-shaped clamping block is movably connected with the inner surface of the T-shaped clamping groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a concave font PCB concave position rim charge cutting mechanism possesses following beneficial effect: this mechanism is tailor to character cut in bas-relief shape PCB concave position rim charge accessible two electric telescopic handle cooperations during two L type fixed blocks drive the PCB integrated circuit board and advance L type fixed slot, then through motor cooperation driving wheel axle, power transmission area, threaded rod and slider drive PCB board rearward movement, start hydraulic means cooperation connecting block and drive trilateral cut-off knife and tailor PCB concave edge department when the PCB board removes trilateral cut-off knife bottom, through pulling the kelly forward earlier, inside T type fixture block card advances T type draw-in groove again, loosen the kelly at last and pass the bounce cooperation dog of spring and drive the kelly and pass T type draw-in groove card and advance the activity groove rightmost side.

1. This mechanism is tailor to concave font PCB concave edge material, drive the PCB integrated circuit board through two L type fixed blocks of two electric telescopic handle cooperations and advance in the L type fixed slot, then through motor cooperation driving wheel axle, power transmission area, threaded rod and slider drive PCB board backward movement, start hydraulic means cooperation connecting block and drive trilateral cut-off knife and tailor PCB concave edge department when the PCB board removes trilateral cut-off knife bottom, realized the purpose of tailorring to concave edge material, the planarization of tailorring of concave edge material has been guaranteed through fixed PCB board, the yield of tailorring of PCB board has been improved.

2. This concave font PCB concave position rim charge cutting mechanism through earlier to pulling the kelly, advances T type draw-in groove with T type fixture block card inside again, loosens the bar at last and passes the effect that T type draw-in groove card advances the activity groove innermost side through the bounce-back cooperation dog drive kelly of spring, has realized being convenient for carry out the dismouting to trilateral cut-off knife, and the convenience of use personnel change trilateral cut-off knife, have avoided trilateral cut-off knife to tailor the problem that thoroughly leads to the PCB board to damage to the PCB board.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a left side view of the internal structure of the present invention.

Fig. 3 is a cross sectional view of the external structure of the L-shaped fixing block of the present invention.

Fig. 4 is a right side view of the connection block and the trilateral cut-off knife of the present invention in a separated state.

Fig. 5 is a top view of the external structure of the motor, the driving wheel shaft, the power transmission belt and the threaded rod of the present invention.

In the figure: 1. a box body; 2. a motor; 3. a driving wheel shaft; 4. a threaded rod; 5. a power transmission belt; 6. a slider; 7. an operation table; 8. an electric telescopic rod; 9. an L-shaped fixed block; 10. an L-shaped fixing groove; 11. grooving; 12. a hydraulic device; 13. connecting blocks; 14. a three-edge cutter; 15. a T-shaped clamping groove; 16. a movable groove; 17. a rectangular groove; 18. a clamping rod; 19. a stopper; 20. a spring; 21. t-shaped fixture blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a concave-shaped PCB concave scrap cutting mechanism comprises a box body 1, a motor 2 is fixedly installed on the back of the box body 1, the motor 2 is electrically connected with an external power supply, the motor 2 can rotate forwards and backwards, a driving wheel shaft 3 is fixedly installed at the output end of the motor 2 through a speed reducer, threaded rods 4 are rotatably installed on two sides of the back of the box body 1, a power transmission belt 5 is installed on the outer surfaces of the threaded rods 4 through a driven wheel in a transmission manner, the outer surface of the driving wheel shaft 3 is connected with the inner surface of the power transmission belt 5 in a transmission manner, the front ends of the threaded rods 4 penetrate through the box body 1 and extend into the box body 1, sliding blocks 6 are installed on the outer surfaces of the two threaded rods 4 in a threaded manner, the top of each sliding block 6 is connected with the top of an inner cavity of the box body 1 in a sliding manner, an operation table 7 is fixedly installed between the two sliding blocks 6, and electric telescopic rods 8 are fixedly installed on two sides of the top of the operation table 7, the motor 2, the electric telescopic rods 8 and the hydraulic device 12 are controlled by an external PLC programming program, the opposite ends of the two electric telescopic rods 8 are fixedly provided with L-shaped fixed blocks 9, the bottoms of the two L-shaped fixed blocks 9 are respectively provided with an L-shaped fixed groove 10, the top of the operating platform 7 is provided with a cutting groove 11 in a penetrating way, the cutting groove 11 is used for facilitating the three-edge cutter 14 to cut the PCB, the top of the inner cavity of the box body 1 is fixedly provided with the hydraulic device 12, the hydraulic device 12 comprises a hydraulic cylinder and a hydraulic rod, the bottom of the hydraulic device 12 is movably provided with the three-edge cutter 14 through a connecting block 13, the outer surface of the three-edge cutter 14 is matched with the inner surface of the cutting groove 11, the left side and the right side of the inner cavity of the box body 1 are respectively and fixedly provided with a supporting plate, the supporting plate is used for keeping the stability of the operating platform 7 when the PCB is cut, the top of the supporting plate is in sliding connection with the bottom of the sliding block 6, the bottom of the connecting block 13 is provided with a T-shaped clamping groove 15, the movable groove 16 has been seted up on the front of connecting block 13, communicate between movable groove 16 and the T type draw-in groove 15, rectangular groove 17 has been seted up to the inside of connecting block 13, rectangular groove 17 is in order to exert the effect of spring 20, communicate between rectangular groove 17 and the movable groove 16, the inner wall slidable mounting of movable groove 16 has a kelly 18, the fixed surface of kelly 18 installs dog 19, the front fixed mounting of dog 19 has spring 20, the internal surface of spring 20 is taken photograph with the surface of kelly 18 mutually, the top fixed mounting of trilateral cut-off knife 14 has T type fixture block 21, the surface of T type fixture block 21 and the internal surface swing joint of T type draw-in groove 15.

The working principle is as follows: firstly, a user places a PCB on an operation table 7, drives two L-shaped fixed blocks 9 to move towards the middle by starting two electric telescopic rods 8, clamps the PCB into an L-shaped fixed groove 10 in the process of moving towards the middle, then drives a driving wheel shaft 3 to rotate by matching a speed reducer with a starting motor 2, the driving wheel shaft 3 drives a threaded rod 4 to rotate by matching a driven wheel through a power transmission belt 5, the threaded rod 4 drives the PCB to move backwards by matching an electric telescopic rod 8 and the L-shaped fixed block 9 through a sliding block 6 in the rotating process, when the PCB moves to the bottom of a three-edge cutter 14, a hydraulic device 12 is started to match a connecting block 13 to drive the three-edge cutter 14 to cut the concave edge of the PCB, when the three-edge cutter 14 is damaged and needs to be replaced, the clamping rod 18 is separated from a T-shaped clamping groove 15 by pulling the clamping rod 18 forwards, and then the three-edge cutter 14 is pulled rightwards to separate the T-shaped clamping block 21 from the T-shaped clamping groove 15, when a new three-edge cutter 14 is installed, the clamping rod 18 is pulled forwards, the T-shaped clamping block 21 is aligned with the T-shaped clamping groove 15, the three-edge cutter 14 is pushed leftwards, the T-shaped clamping block 21 is completely clamped into the T-shaped clamping groove 15, and finally the clamping rod 18 is loosened, the clamping rod 18 is driven by the rebounding force of the spring 20 to penetrate through the T-shaped clamping groove 15 and be clamped into the rightmost side of the movable groove 16, so that the installation of the three-edge cutter 14 can be completed.

In conclusion, the concave PCB concave rim material cutting mechanism can drive a PCB to be clamped into an L-shaped fixed groove 10 by matching two electric telescopic rods 8 with two L-shaped fixed blocks 9, then drive the PCB to move backwards by matching a motor 2 with a driving wheel shaft 3, a power transmission belt 5, a threaded rod 4 and a sliding block 6, start a hydraulic device 12 to drive a trilateral cutter 14 to cut the concave edge of the PCB by matching a connecting block 13 when the PCB moves to the bottom of the trilateral cutter 14, pull a clamping rod 18 forwards firstly, clamp a T-shaped clamping block 21 into a T-shaped clamping groove 15, and finally loosen the clamping rod 18 and drive the clamping rod 18 to pass through the T-shaped clamping groove 15 to be clamped into the rightmost side of a movable groove 16 by matching a rebound force of a spring 20 with a stop block 19.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concave shape PCB concave position rim charge cutting mechanism, includes box (1), its characterized in that: the back of the box body (1) is fixedly provided with a motor (2), the output end of the motor (2) is fixedly provided with a driving wheel shaft (3) through a speed reducer, two sides of the back of the box body (1) are respectively rotatably provided with a threaded rod (4), the outer surface of each threaded rod (4) is provided with a power transmission belt (5) through transmission of a driven wheel, the outer surface of the driving wheel shaft (3) is in transmission connection with the inner surface of the power transmission belt (5), the front end of each threaded rod (4) penetrates through the box body (1) and extends into the box body (1), the outer surfaces of the two threaded rods (4) are respectively provided with a sliding block (6) in a threaded manner, the top of each sliding block (6) is in sliding connection with the top of the inner cavity of the box body (1), an operating platform (7) is fixedly arranged between the two sliding blocks (6), and two sides of the top of the operating platform (7) are respectively fixedly provided with an electric telescopic rod (8), two the equal fixed mounting of electric telescopic handle (8) relative one end has L type fixed block (9), two L type fixed slot (10) have all been seted up to the bottom of L type fixed block (9), grooving (11) have been seted up to the top of operation panel (7) through, the top fixed mounting of box (1) inner chamber has hydraulic means (12), there are trilateral cut-off knife (14) bottom of hydraulic means (12) through connecting block (13) movable mounting, the surface of trilateral cut-off knife (14) and the internal surface looks adaptation of grooving (11).

2. The concave PCB scrap cutting mechanism according to claim 1, wherein: the left side and the right side of box (1) inner chamber all fixed mounting have the backup pad, and the top of backup pad and the bottom sliding connection of slider (6), T type draw-in groove (15) have been seted up to the bottom of connecting block (13), movable groove (16) have been seted up in the front of connecting block (13), communicate between movable groove (16) and T type draw-in groove (15).

3. The concave PCB scrap cutting mechanism according to claim 2, wherein: rectangular groove (17) have been seted up to the inside of connecting block (13), communicate between rectangular groove (17) and activity groove (16).

4. The concave PCB scrap cutting mechanism according to claim 2, wherein: a clamping rod (18) is slidably mounted on the inner wall of the movable groove (16), and a stop block (19) is fixedly mounted on the outer surface of the clamping rod (18).

5. The concave PCB scrap cutting mechanism of claim 4, wherein: the front surface of the stop block (19) is fixedly provided with a spring (20), and the inner surface of the spring (20) and the outer surface of the clamping rod (18) are sleeved with each other.

6. The concave PCB scrap cutting mechanism according to claim 2, wherein: the top of the three-edge cutter (14) is fixedly provided with a T-shaped clamping block (21), and the outer surface of the T-shaped clamping block (21) is movably connected with the inner surface of the T-shaped clamping groove (15).