PC board bending machine with safety protection device

By introducing clamping and bending mechanisms into the PC board bending machine, the shortcomings of traditional PC board bending machines in terms of limiting and dynamic clamping are solved, achieving stable clamping and precise bending, improving safety and flexibility, and meeting diverse processing needs.

CN223904524UActive Publication Date: 2026-02-13WUXI JIUSI PLASTIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520512874.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-13
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Traditional PC board bending machines lack a structure to limit and adjust the bending depth of PC boards, which cannot meet diverse processing needs. Furthermore, they cannot dynamically clamp the boards during the bending process, resulting in insufficient flexibility and potential safety hazards.

Method used

A PC board bending machine with a clamping mechanism and a bending mechanism was designed. The clamping mechanism achieves dynamic clamping through an electric push rod and a clamping block, while the bending mechanism achieves precise bending through a motor-driven lead screw and bending module. The combination of a limit plate and an observation window improves safety and processing accuracy.

Benefits of technology

It achieves stable clamping and precise bending of PC boards, improves processing safety and stability, meets diverse processing needs, and enhances the flexibility and applicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PC board bending machine with a safety protection device, which comprises a box body, a box door is arranged at the front end of the box body, a working frame is arranged at the upper end of the box body, protection side plates are hinged to the bottoms of the two sides of the working frame, and clamping mechanisms are fixedly connected to the two sides of the front end and the rear end of the working frame. A bending mechanism is fixedly connected to the inner top wall of the working frame, an observation window is fixedly connected to the inner wall of the front end of the working frame, a PC plate is movably connected to the inner side wall of the clamping mechanism, an air cylinder is connected to the upper end of the box body in an embedded mode, and a limiting plate is fixedly connected to the telescopic end of the air cylinder. Through the arranged clamping mechanism, the equipment can stably clamp the PC board, meanwhile, dynamic adjustment can be conducted according to the bending degree of the PC board, and it is guaranteed that the PC board cannot deviate or slide off in the bending process; and through the arranged bending mechanism, the equipment can conduct accurate bending treatment on the PC board, meanwhile, it is ensured that the bending depth and angle are adjustable, and different machining requirements are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PC board bending machine technical field, concretely relates to a PC board bending machine with safety guard. BACKGROUND

[0002] Traditional PC board bending machine has certain security risks in the operation process, especially in the rapid descent stage, the fingers of the operator are easy to be pinched by the knife tip of the bending machine. In addition, the high-speed movement and strong pressure of the bending machine pose a direct threat to the operator.

[0003] According to the patent document: CN211416264U discloses a kind of hot bending machine for PC board processing, including base, and the bearing support being set on base, bearing support includes several longitudinal and transverse beams, longitudinal beam is erected on base, backing plate, backing plate is set on base, movable pressing plate, movable pressing plate is set on longitudinal beam, part of PC board is set between movable pressing plate and backing plate, heating pipe, heating pipe is set on the side of backing plate, for heating PC board, bending device, bending device is set on base, for bending PC board.

[0004] The conventional PC board bending machine with safety guard lacks a structure for limiting and adjusting the bending depth of the PC board, which cannot meet the diversified processing requirements. At the same time, the structure cannot dynamically clamp the PC board. As the PC board gradually bends, the straight-line distance between its two ends continuously decreases, which lacks flexibility and cannot adapt to different operation requirements. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of PC board bending machine with safety guard to solve the problems of the conventional PC board bending machine with safety guard lacking a structure for limiting and adjusting the bending depth of the PC board, which cannot meet the diversified processing requirements, and the structure cannot dynamically clamp the PC board. As the PC board gradually bends, the straight-line distance between its two ends continuously decreases, which lacks flexibility and cannot adapt to different operation requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a box body is provided with a box door at the front end, a working frame is provided at the upper end of the box body, a protective side plate is hinged at the bottom of both sides of the working frame, a clamping mechanism is fixedly connected to the front and rear ends of both sides of the working frame, a bending mechanism is fixedly connected to the inner top wall of the working frame, an observation window is fixedly connected to the front end inner wall of the working frame, a PC board is movably connected to the inner side wall of the clamping mechanism, a gas cylinder is embeddedly connected to the upper end of the box body, and a limiting plate is fixedly connected to the extension end of the gas cylinder.

[0007] The clamping mechanism includes an electric push rod, one end of which is detachably connected to the front and rear ends of the working frame. The telescopic end of the electric push rod is provided with a concave block. The inner wall of the concave block is provided with a rotating shaft. A rotating block is sleeved on the outer wall of the rotating shaft. A rotating rod is welded to the outer wall of the rotating block. A clamping block is fixedly connected to one end of the rotating rod. A screw is threadedly connected to the top inner wall of the clamping block. A rotating handle is fixedly connected to the upper end of the screw. A clamping plate is rotatably connected to the lower end of the screw. An adsorption pad is adhered to the inner bottom wall of the clamping block.

[0008] Preferably, the telescopic end of the electric push rod is fixedly connected to one side of the concave block, and the inner wall of the concave block is rotatably connected to both ends of the rotating shaft.

[0009] Preferably, the top inner wall of the clamping block has a screw hole that matches the outer wall of the screw.

[0010] Preferably, the two sides of the box door are hinged to the two front sides of the box body, and the lower end of the working frame is fixed to the upper end of the box body.

[0011] Preferably, the bending mechanism includes an adjusting frame, the upper end of which is fixedly connected to the inner top wall of the working frame, a motor is provided at the rear end of the adjusting frame, a lead screw is provided on the output shaft of the motor, a movable groove is provided on the inner wall of the adjusting frame, a movable block is threadedly connected to the outer wall of the lead screw, an electric telescopic rod is detachably connected to the lower end of the movable block, an installation plate is bolted to the telescopic end of the electric telescopic rod, and a bending module is detachably connected to the lower end of the installation plate.

[0012] Preferably, the rear end of the adjustment frame is detachably connected to the front end of the motor, and the output shaft of the motor is drivenly connected to one end of the lead screw.

[0013] Preferably, the inner wall of the movable groove is adapted to the shape of the outer wall of the movable block.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The clamping mechanism allows the equipment to stably clamp the PC board and dynamically adjust according to the degree of bending, ensuring that the PC board will not shift or slip during bending, greatly improving the safety and stability of processing. The electric push rod can push the concave block and rotating block to move, driving the clamping block and clamping plate to clamp the PC board. By rotating the handle, the screw can push the clamping plate downward to increase the clamping force on the PC board. The adsorption pad can further increase the friction between the clamping block and the PC board, preventing the PC board from slipping during bending.

[0016] 2、Through the setting of the bending mechanism, the equipment can accurately bend the PC board, and the bending depth and angle are adjustable, meeting different processing requirements, wherein the motor drives the screw rod to rotate, so that the movable block moves in the movable groove, thereby driving the bending module on the electric telescopic rod and the mounting plate to bend the PC board, the telescopic function of the electric telescopic rod enables the bending module to be adjusted according to the preset bending depth, and the bending precision is ensured, and in addition, the detachable setting of the bending module enables the operator to replace the bending module with different shapes and sizes according to different processing requirements, thereby improving the flexibility and applicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a clamping mechanism structure schematic view of the utility model;

[0019] Figure 3 It is a bending mechanism structure schematic view of the utility model;

[0020] Figure 4 It is a three-dimensional side view structure schematic view of the utility model.

[0021] In the drawing: 1, box body; 2, box door; 3, working frame; 4, protective side plate; 5, clamping mechanism; 6, bending mechanism; 7, observation window; 8, PC board body; 9, air cylinder; 10, limiting plate; 51, electric push rod; 52, concave block; 53, rotating shaft; 54, rotating block; 55, rotating rod; 56, clamping block; 57, screw rod; 58, handle; 59, clamping plate; 510, adsorption pad; 61, adjusting frame; 62, motor; 63, screw rod; 64, movable groove; 65, movable block; 66, electric telescopic rod; 67, mounting plate; 68, bending module. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 1 , Figure 2 and Figure 4The utility model provides a technical scheme: a PC board bending machine with safety protection device, including box 1, the front end of box 1 is provided with box door 2, the upper end of box 1 is provided with work frame 3, the both sides bottom of work frame 3 is hinged with the protection side board 4, the both sides of the front and rear end of work frame 3 are all fixedly connected with clamping mechanism 5, the inside top wall of work frame 3 is fixedly connected with bending mechanism 6, the front end inner wall of work frame 3 is fixedly connected with observation window 7, the inner side wall of clamping mechanism 5 is movably connected with PC board, the upper end of box 1 is embeddedly connected with cylinder 9, the telescopic end of cylinder 9 is fixedly connected with limiting board 10, clamping mechanism 5 includes electric push rod 51, one end of electric push rod 51 is detachably connected with the front and rear end of work frame 3, the telescopic end of electric push rod 51 is provided with concave block 52, the inner wall of concave block 52 is provided with pivot 53, pivot 53's outer wall is sleeved with rotating block 54, the outer wall of rotating block 54 is welded with rotating rod 55, one end of rotating rod 55 is fixedly connected with clamping block 56, the top inner wall of clamping block 56 is threadedly connected with screw 57, the upper end of screw 57 is fixedly connected with handle 58, the lower end of screw 57 is rotatably connected with clamping plate 59, the inside bottom wall of clamping block 56 is bonded with adsorption pad 510, the telescopic end of electric push rod 51 is fixedly connected with one side of concave block 52, the inner wall of concave block 52 is rotatably connected with the both ends of pivot 53, the top inner wall of clamping block 56 is provided with the screw hole that is adapted with the outer wall of screw 57, the both sides of box door 2 are hinged with the both sides of the front end of box 1, the lower end of work frame 3 is fixedly connected with the upper end of box 1,

[0024] When the device needs to be used to bend the PC plate body 8, the operator places the PC plate body 8 between the clamping mechanisms 5, and then starts the electric push rod 51, which pushes the concave block 52 to move, and the concave block 52 drives the rotating shaft 53, the rotating block 54, the rotating rod 55 and the clamping block 56 to move, and the clamping block 56 drives the PC plate body 8 to move. When the PC plate body 8 moves to the appropriate position, turn the handle 58, which drives the screw 57 to rotate, and the screw 57 drives the clamping plate 59 to move downward to clamp and fix the PC plate body 8. At this time, start the air cylinder 9, which pushes the limiting plate 10 to move downward to limit the PC plate body 8, preventing it from shifting when bending. Then start the motor 62, which drives the lead screw 63 to rotate, and the lead screw 63 drives the movable block 65 to move in the movable groove 64, and the movable block 65 drives the electric telescopic rod 66 to move, and the electric telescopic rod 66 drives the mounting plate 67 and the bending module 68 to move. When the bending module 68 moves to the appropriate position, start the electric telescopic rod 66, which drives the bending module 68 to move downward to bend the PC plate body 8. The protective side plate 4 can be provided to protect the inside of the working frame 3 from the operator's hands entering the inside of the working frame 3 and causing danger. The observation window 7 can be provided to facilitate the operator to observe the bending condition of the PC plate body 8 inside the working frame 3. The limiting plate 10 can be provided to limit the bending depth of the PC plate body 8 to prevent the PC plate body 8 from being bent too much and damaged.

[0025] Please refer to Figure 1 、 Figure 3 and Figure 4 , the bending mechanism 6 comprises an adjusting frame 61, the upper end of the adjusting frame 61 is fixedly connected with the inner top wall of the working frame 3, the rear end of the adjusting frame 61 is provided with a motor 62, the output shaft of the motor 62 is provided with a lead screw 63, the inner wall of the adjusting frame 61 is provided with a movable groove 64, the outer wall of the lead screw 63 is threadedly connected with a movable block 65, the lower end of the movable block 65 is detachably connected with an electric telescopic rod 66, the telescopic end of the electric telescopic rod 66 is bolted with a mounting plate 67, the lower end of the mounting plate 67 is detachably connected with a bending module 68, the rear end of the adjusting frame 61 is detachably connected with the front end of the motor 62, the output shaft of the motor 62 is in transmission connection with one end of the lead screw 63, and the inner wall of the movable groove 64 is in shape adaptation with the outer wall of the movable block 65;

[0026] The upper end of the adjusting frame 61 is tightly combined with the inner top wall of the working frame 3 by fixed connection, the rear end of the adjusting frame 61 is provided with the mounting position of the motor 62, the output shaft of the motor 62 is provided with the precise lead screw 63, the inner wall of the adjusting frame 61 is carefully provided with the movable groove 64 to ensure the flexibility and accuracy of the mechanism, the outer wall of the lead screw 63 is tightly connected with the movable block 65 through threads, the lower end of the movable block 65 is provided with a detachable interface for connecting the electric telescopic rod 66, the telescopic end of the electric telescopic rod 66 is fixedly provided with the mounting plate 67 through bolt connection, the lower end of the mounting plate 67 is also provided with a detachable interface for connecting the bending module 68, in addition, the rear end of the adjusting frame 61 and the front end of the motor 62 are also detachably connected, which ensures that the motor 62 and one end of the lead screw 63 can be smoothly connected, the inner wall of the movable groove 64 and the outer wall of the movable block 65 are shape-fittingly arranged, which ensures the smooth movement of the movable block 65 in the adjusting frame 61, so as to realize the precise adjusting function, then, during use, first place the PC board on the inner side wall of the clamping mechanism 5, then rotate the handle 58 to drive the screw 57 to rotate, because the top inner wall of the clamping block 56 is provided with the screw hole matched with the outer wall of the screw 57, the screw 57 drives the clamping plate 59 to move during rotation, until the PC board is clamped, then start the electric push rod 51 through the external controller, the telescopic end of the electric push rod 51 drives the concave block 52 to move, the inner wall of the concave block 52 drives the rotating block 54 to rotate through the rotating shaft 53, the outer wall of the rotating block 54 drives the clamping block 56 to move through the rotating rod 55, to dynamically clamp the PC board, then start the motor 62 through the external controller, the output shaft of the motor 62 drives the lead screw 63 to rotate, the outer wall of the lead screw 63 drives the movable block 65 to move in the inner wall of the movable groove 64, the lower end of the movable block 65 drives the electric telescopic rod 66 to move, the telescopic end of the electric telescopic rod 66 drives the mounting plate 67 to move, the lower end of the mounting plate 67 drives the bending module 68 to move, to bend the PC board, during bending, the operator can observe the PC board in real time through the observation window 7, thereby greatly improving the bending accuracy.

[0027] Working principle: first, through the use of the device in need of PC plate body 8 bending, the operator will be placed between the clamping mechanism 5, and then start the electric push rod 51, electric push rod 51 push block 52 movement, concave block 52 drive shaft 53, rotating block 54, rotating rod 55 and clamping block 56 movement, clamping block 56 drive PC plate body 8 movement, when PC plate body 8 moves to the appropriate position, turn the handle 58, handle 58 drive screw 57 rotation, screw 57 drive clamping plate 59 down to move to PC plate body 8 clamping fixed, at this time start the cylinder 9, cylinder 9 drive limit plate 10 down to move to PC plate body 8 limit, prevent PC plate body 8 bending when the shift occurs, then start the motor 62, motor 62 drive screw 63 rotation, screw 63 drive movable block 65 in the movement of the activity groove 64, movable block 65 drive electric telescopic rod 66 movement, electric telescopic rod 66 drive mounting plate 67 and bending module 68 movement, when bending module 68 moves to the appropriate position, start the electric telescopic rod 66, electric telescopic rod 66 drive bending module 68 down to move to PC plate body 8 bending, through the setting of the protective side plate 4, can be protected inside the work frame 3, prevent the hands of the operator into the work frame 3 inside the danger, through the setting of the observation window 7, can be convenient for the operator to observe the bending of PC plate body 8 inside the work frame 3, through the setting of the limit plate 10, can limit the bending depth of PC plate body 8, prevent PC plate body 8 bending over damage;

[0028] Then through the upper end of the adjusting frame 61 and the inner top wall of the working frame 3 are closely combined in a fixed manner, the rear end of the adjusting frame 61 is provided with the mounting position of the motor 62, the output shaft of the motor 62 is provided with a precise lead screw 63, the inner wall of the adjusting frame 61 is carefully provided with a movable groove 64 to ensure the flexibility and accuracy of the mechanism, the outer wall of the lead screw 63 is closely connected with the movable block 65 through threads, the lower end of the movable block 65 is provided with a detachable interface for connecting the electric telescopic rod 66, the telescopic end of the electric telescopic rod 66 is fixedly provided with the mounting plate 67 through a bolted manner, and the lower end of the mounting plate 67 is also provided with a detachable interface for connecting the bending module 68, in addition, the rear end of the adjusting frame 61 and the front end of the motor 62 are also detachably connected, which ensures that the motor 62 and one end of the lead screw 63 can be smoothly connected, the inner wall of the movable groove 64 and the outer wall of the movable block 65 are shape-fittingly arranged, which ensures the smooth movement of the movable block 65 in the adjusting frame 61, thereby realizing the precise adjusting function, then, in use, first, the PC board is placed on the inner side wall of the clamping mechanism 5, then the screw rod 57 is driven to rotate by rotating the handle 58, since the top inner wall of the clamping block 56 is provided with a screw hole matched with the outer wall of the screw rod 57, the screw rod 57 drives the clamping plate 59 to move in the process of rotation, until the PC board is clamped, then the electric push rod 51 is started by the external controller, the telescopic end of the electric push rod 51 drives the concave block 52 to move, the inner wall of the concave block 52 drives the rotating block 54 to rotate through the rotating shaft 53, the outer wall of the rotating block 54 drives the clamping block 56 to move through the rotating rod 55, and the PC board is dynamically clamped, then the cylinder 9 is started by the external controller, the telescopic end of the cylinder 9 drives the limiting plate 10 to move, until the limiting plate 10 limits the PC board, then the motor 62 is started by the external controller, the output shaft of the motor 62 drives the lead screw 63 to rotate, the outer wall of the lead screw 63 drives the movable block 65 to move in the inner wall of the movable groove 64, the lower end of the movable block 65 drives the electric telescopic rod 66 to move, the telescopic end of the electric telescopic rod 66 drives the mounting plate 67 to move, the lower end of the mounting plate 67 drives the bending module 68 to move, and the PC board is bent, in the process of bending, the operator can observe the PC board in real time through the observation window 7, thereby greatly improving the bending accuracy, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the existing technology known to the person skilled in the art.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A PC board bending machine with safety guard, comprising a box (1), characterized in that: The front end of the box body (1) is provided with a box door (2), the upper end of the box body (1) is provided with a working frame (3), the both sides of the working frame (3) are hingedly provided with protective side plates (4), the both sides of the front and rear ends of the working frame (3) are fixedly provided with clamping mechanisms (5), the inner top wall of the working frame (3) is fixedly provided with a bending mechanism (6), the front end inner wall of the working frame (3) is fixedly provided with an observation window (7), the inner side wall of the clamping mechanism (5) is movably connected with a PC board, the upper end of the box body (1) is embeddedly connected with a pneumatic cylinder (9), and the telescopic end of the pneumatic cylinder (9) is fixedly connected with a limiting plate (10). The clamping mechanism (5) comprises an electric push rod (51), one end of the electric push rod (51) is detachably connected with the front and rear ends of the working frame (3), the telescopic end of the electric push rod (51) is provided with a concave block (52), the inner wall of the concave block (52) is provided with a rotating shaft (53), the outer wall of the rotating shaft (53) is sleeved with a rotating block (54), the outer wall of the rotating block (54) is welded with a rotating rod (55), one end of the rotating rod (55) is fixedly connected with a clamping block (56), the top inner wall of the clamping block (56) is threadedly connected with a screw rod (57), the upper end of the screw rod (57) is fixedly connected with a handle (58), the lower end of the screw rod (57) is rotatably connected with a clamping plate (59), and the inner bottom wall of the clamping block (56) is bonded with an adsorption pad (510).

2. The PC board bending machine with safety guard according to claim 1, characterized in that: The telescopic end of the electric push rod (51) is fixedly connected with one side of the concave block (52), and the inner wall of the concave block (52) is rotatably connected with both ends of the rotating shaft (53).

3. The PC board bending machine with safety guard according to claim 2, wherein: The top inner wall of the clamping block (56) is provided with a screw hole matched with the outer wall of the screw rod (57).

4. The PC board bending machine with safety guard according to claim 1, wherein: The both sides of the box door (2) are hingedly connected with the both sides of the front end of the box body (1), and the lower end of the working frame (3) is fixedly connected with the upper end of the box body (1).

5. The PC board bending machine with safety guard according to claim 1, wherein: The bending mechanism (6) comprises an adjusting frame (61), the upper end of the adjusting frame (61) is fixedly connected with the inner top wall of the working frame (3), the rear end of the adjusting frame (61) is provided with a motor (62), the output shaft of the motor (62) is provided with a lead screw (63), the inner wall of the adjusting frame (61) is provided with a movable groove (64), the outer wall of the lead screw (63) is threadedly connected with a movable block (65), the lower end of the movable block (65) is detachably connected with an electric telescopic rod (66), the telescopic end of the electric telescopic rod (66) is bolted with a mounting plate (67), and the lower end of the mounting plate (67) is detachably connected with a bending module (68).

6. The PC board bending machine with safety guard according to claim 5, wherein: The rear end of the adjusting frame (61) is detachably connected with the front end of the motor (62), and the output shaft of the motor (62) is in transmission connection with one end of the lead screw (63).

7. The PC board bending machine with safety guard according to claim 5, wherein: The inner wall of the movable groove (64) is matched in shape with the outer wall of the movable block (65). The telescopic end of the electric push rod (51) is fixedly connected with one side of the concave block (52), and the inner wall of the concave block (52) is rotatably connected with both ends of the rotating shaft (53).

Citation Information

Patent Citations

  • Hot bending machine for PC plate processing

    CN211416264U