A PCBA board automatic cutting device

By designing an automatic cutting device for PCBA board including an operating table, roller, electric telescopic rod, servo motor and cutting knife, the problem that existing devices cannot adjust the width of the cutting knife is solved, and accurate cutting of printed circuit boards of different thicknesses and widths is achieved, and production efficiency and product quality are improved.

CN222712254UActive Publication Date: 2025-04-04SHENZHEN SANHUICHUANG ELECTRONICS LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421533505.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-04-04
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing PCBA board automatic cutting device cannot adjust the width of the cutting knife, resulting in inaccurate cutting when handling printed circuit boards of different thicknesses and widths.

Method used

An automatic cutting device including an operating table, a roller, an electric telescopic rod, a servo motor and a cutting knife is designed. Through the combination of electric telescopic rods and servo motors, the position and height of the cutting knife can be adjusted according to printed circuit boards of different thicknesses and widths, and accurate cutting can be achieved.

Benefits of technology

It realizes that the position and height of the cutting knife is automatically adjusted according to different thicknesses and widths, ensuring the accuracy and flexibility of cutting, and improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222712254U_ABST
    Figure CN222712254U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of PCBA board processing, and discloses an automatic cutting device for PCBA boards, including an operating table, a plurality of rollers are rotatably connected to the middle of the top of the operating table, a first electric telescopic rod is fixedly connected to the left and right sides of the rear top of the operating table, the telescopic end of the first electric telescopic rod is fixedly connected to a groove plate, the rear side of the groove plate is fixedly connected to a second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly connected to an L-shaped plate, and the L-shaped plate is slidably connected to the inner wall of the groove plate. In the utility model, through the mutual cooperation between the first electric telescopic rod, the groove plate and the second electric telescopic rod, the height can be adjusted according to circuit boards of different thicknesses, and the position can be adjusted according to the required cutting width, and through the mutual cooperation between the DC motor, the conveyor belt and the fixed plate, it can adapt to circuit boards of different widths and realize automatic feeding.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA board processing, in particular to an automatic cutting device for PCBA boards. Background Art

[0002] PCBA board is a key component of electronic products, consisting of printed circuit board (PCB) and various electronic components mounted on it. PCB is made of insulating material, coated with conductive material on the surface, and formed into circuit connection through chemical processing, which is used to support and connect electronic components. Electronic components such as resistors, capacitors and integrated circuits are fixed on PCB through welding technology to form functional circuits and realize various electronic functions of products. PCBA board is widely used in various electronic devices, such as mobile phones, computers, home appliances, etc. Its quality and stability directly affect the performance and reliability of the overall product.

[0003] When producing and processing PCBA boards, it is necessary to use PCBA board automatic cutting devices, which are mainly used to accurately cut large printed circuit boards into the required size and shape according to design requirements. Through the automated cutting process, production efficiency can be improved, manual operations can be reduced, and each PCBA board can be ensured to have precise size and edge quality, thereby improving the quality and reliability of the overall product.

[0004] The existing PCBA board automatic cutting device drives the cutting knife to cut the large printed circuit board through a motor. However, in actual use, the cutting width of the cutting knife cannot be adjusted because the large printed circuit board fits the direction of the cutting knife. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a PCBA board automatic cutting device, which aims to improve the problem in the prior art that the cutting width of the cutting knife cannot be adjusted because the large printed circuit board is attached to the direction of the cutting knife.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PCBA board automatic cutting device, comprising an operating table, a plurality of rollers are rotatably connected to the middle of the top of the operating table, a first electric telescopic rod is fixedly connected to the left and right sides of the rear top of the operating table, the telescopic end of the first electric telescopic rod is fixedly connected to a groove plate, the rear side of the groove plate is fixedly connected to a second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly connected to an L-shaped plate, the L-shaped plate is slidably connected to the inner wall of the groove plate, the top of the L-shaped plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a cutting knife, the front end of the groove plate is rotatably connected to a plurality of limiting rollers, and a feeding adjustment mechanism is provided at the front end of the groove plate, and the feeding adjustment mechanism is used to convey materials to the device.

[0007] As a further description of the above technical solution: the feeding adjustment mechanism includes two movable hollow blocks, the two movable hollow blocks are respectively fixedly connected to the left and right sides of the front end of the groove plate, a fixed plate is provided on the adjacent side of the two movable hollow blocks, a slide groove is opened on the left side of the movable hollow blocks, the left and right sides of the fixed plate are fixedly connected with fixed columns, the fixed columns are slidably connected to the slide groove, the front end of the fixed plate is fixedly connected with a DC motor, the left and right sides of the rear of the fixed plate are rotatably connected with cylinders, the output end of the DC motor passes through the fixed plate and is fixedly connected to the cylinder on the left, and the outer wall of the cylinder is provided with a conveyor belt.

[0008] As a further description of the above technical solution: a discharge hole is opened in the middle of the rear side of the top of the operating table, and a strip barrier net is fixedly connected to the top of the inner wall of the discharge hole.

[0009] As a further description of the above technical solution: the bottom of the operating table is slidably connected to a collection box, the rear side of the collection box is fixedly connected to a handle, and the outer side of the handle is fixedly connected to an anti-slip sleeve.

[0010] As a further description of the above technical solution: the left and right sides of the top of the operating table are fixedly connected with limit rods, and the outer wall of the limit rods passes through the movable hollow block.

[0011] As a further description of the above technical solution: a fixing nut is provided on the outer wall of the fixing column, and the fixing nut is threadedly connected to the fixing column.

[0012] As a further description of the above technical solution: a controller is fixedly connected to the right side of the top front of the operating table, and the controller is electrically connected to the first electric telescopic rod, the second electric telescopic rod, the servo motor and the DC motor respectively.

[0013] As a further description of the above technical solution: the outer side of the controller is fixedly connected to a shell, and the outer side of the shell is rotatably connected to a protective cover.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by placing a large printed circuit board above the roller, the first electric telescopic rod can drive the groove plate, the servo motor and the cutting knife to move toward the top of the operating table, and the second electric telescopic rod can move the L-shaped plate back and forth on the groove plate, thereby adjusting the position of the servo motor and the cutting knife. The height can be adjusted according to circuit boards of different thicknesses, and the position can be adjusted according to the required cutting width.

[0016] 2. In the utility model, by starting the DC motor, the cylinder and the conveyor belt can be driven to rotate, and the fixed plate moves up and down with the groove plate, so that the conveyor belt contacts the large printed circuit board for feeding. By moving the fixed plate, it can adapt to circuit boards of different widths and realize automatic feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a PCBA board automatic cutting device proposed by the utility model;

[0018] Figure 2 A three-dimensional diagram of a PCBA board automatic cutting device proposed by the utility model;

[0019] Figure 3 This is a rear view of a PCBA board automatic cutting device proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the operating table structure of a PCBA board automatic cutting device proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of an adjustment mechanism of a PCBA board automatic cutting device proposed by the utility model.

[0022] Legend:

[0023] 1. Operating table; 2. Feeding adjustment mechanism; 201. Moving hollow block; 202. Fixed plate; 203. DC motor; 204. Cylinder; 205. Conveyor belt; 206. Slide; 207. Fixed column; 3. Roller; 4. First electric telescopic rod; 5. Groove plate; 6. Second electric telescopic rod; 7. L-shaped plate; 8. Servo motor; 9. Cutting knife; 10. Limiting roller; 11. Discharge hole; 12. Barrier net; 13. Collection box; 14. Handle; 15. Anti-slip sleeve; 16. Limiting rod; 17. Controller; 18. Housing; 19. Protective cover; 20. Fixing nut. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 , Figure 2 and Figure 4The utility model provides an embodiment: a PCBA board automatic cutting device, comprising an operating table 1, a plurality of rollers 3 are rotatably connected to the middle of the top of the operating table 1, a first electric telescopic rod 4 is fixedly connected to the left and right sides of the rear top of the operating table 1, a groove plate 5 is fixedly connected to the telescopic end of the first electric telescopic rod 4, a second electric telescopic rod 6 is fixedly connected to the rear side of the groove plate 5, an L-shaped plate 7 is fixedly connected to the telescopic end of the second electric telescopic rod 6, the L-shaped plate 7 is slidably connected to the inner wall of the groove plate 5, a servo motor 8 is fixedly connected to the top of the L-shaped plate 7, a cutting knife 9 is fixedly connected to the output end of the servo motor 8, a plurality of limiting rollers 10 are rotatably connected to the front end of the groove plate 5, a feeding adjustment mechanism 2 is provided at the front end of the groove plate 5, and the feeding adjustment mechanism 2 is used to transport materials for the device;

[0026] Specifically, a large printed circuit board is placed above the roller 3, and the groove plate 5 and the servo motor 8 and the cutting knife 9 above it can be driven to move toward the top of the operating table 1 by starting the first electric telescopic rod 4. The L-shaped plate 7 can be driven to move back and forth on the groove plate 5 by starting the second electric telescopic rod 6, and the servo motor 8 and the cutting knife 9 can be driven to move back and forth on the groove plate 5, so that the height of the large printed circuit boards can be adjusted according to the different thicknesses, and the position can be adjusted according to the required cutting width.

[0027] Reference Figure 1 , Figure 2 and Figure 5 The feeding adjustment mechanism 2 includes two movable hollow blocks 201, which are respectively fixedly connected to the left and right sides of the front end of the groove plate 5, and a fixed plate 202 is provided on the adjacent side of the two movable hollow blocks 201. A slide groove 206 is provided on the left side of the movable hollow blocks 201, and a fixed column 207 is fixedly connected to the left and right sides of the fixed plate 202. The fixed column 207 is slidably connected to the slide groove 206. A DC motor 203 is fixedly connected to the front end of the fixed plate 202, and a cylinder 204 is rotatably connected to the left and right sides of the rear of the fixed plate 202. The output end of the DC motor 203 passes through the fixed plate 202 and is fixedly connected to the left cylinder 204, and a conveyor belt 205 is provided on the outer wall of the cylinder 204;

[0028] Specifically, by starting the DC motor 203, the cylinder 204 can be driven to rotate, and at the same time, the conveyor belt 205 can be driven to rotate. At the same time, the fixed plate 202 will move up and down together with the groove plate 5. At this time, the conveyor belt 205 will contact the large printed circuit board, and as the conveyor belt 205 rotates, the large printed circuit board is driven to be fed, and the fixed plate 202 can be moved to adjust according to the different widths of the large printed circuit board, and can be adjusted according to the width of the large printed circuit board, and automatic feeding can be performed.

[0029] Reference Figure 1 , Figure 2 and Figure 4 A discharge hole 11 is provided in the middle of the rear side of the top of the operating table 1, and a strip barrier net 12 is fixedly connected to the top of the inner wall of the discharge hole 11; a collection box 13 is slidably connected to the bottom of the operating table 1, and a handle 14 is fixedly connected to the rear side of the collection box 13, and an anti-slip cover 15 is fixedly connected to the outer side of the handle 14;

[0030] Specifically, waste generated during cutting can be discharged through the discharge hole 11, the strip barrier net 12 can prevent the cut products from falling into the discharge hole 11, the collection box 13 can collect the fallen waste, the handle 14 can facilitate pulling out the collection box 13, and the anti-slip ability of the handle 14 can be improved by the anti-slip sleeve 15.

[0031] Reference Figure 1 , Figure 2 and Figure 5 The left and right sides of the top of the operating platform 1 are fixedly connected to the limit rod 16, and the outer wall of the limit rod 16 passes through the movable hollow block 201; the outer wall of the fixed column 207 is provided with a fixing nut 20, and the fixing nut 20 is threadedly connected to the fixed column 207; the right side of the front top of the operating platform 1 is fixedly connected to the controller 17, and the controller 17 is electrically connected to the first electric telescopic rod 4, the second electric telescopic rod 6, the servo motor 8 and the DC motor 203 respectively; the outer side of the controller 17 is fixedly connected to the outer side of the housing 18, and the outer side of the housing 18 is rotatably connected to the protective cover 19;

[0032] Specifically, the moving direction of the movable hollow block 201 can be limited by the limit rod 16, the adjusted position of the fixing plate 202 can be fixed by the fixing nut 20, the starting and operating power between the first electric telescopic rod 4, the second electric telescopic rod 6, the servo motor 8 and the DC motor 203 can be controlled respectively by the controller 17, the housing 18 can prevent the controller 17 from being damaged due to bumps, and the protective cover 19 can prevent dust and the like from entering the interior of the controller 17 and causing damage to the electronic components therein.

[0033] Working principle: Before using the device, first, place the large printed circuit board on the top of the roller 3. By starting the first electric telescopic rod 4, the groove plate 5 and the servo motor 8 and the cutting knife 9 installed on it can be effectively driven to adjust according to the thickness of the large printed circuit board. At the same time, by activating the second electric telescopic rod 6, the L-shaped plate 7 can be driven to move forward and backward within the range of the groove plate 5, thereby driving the servo motor 8 and the cutting knife 9 to adjust in the forward and backward direction on the groove plate 5. This can adjust and cut the height according to large printed circuit boards of different widths, so that the cutting width can be adjusted according to the actual needs. The position of the cutting knife 9 is adjusted to ensure the accuracy and flexibility of cutting, and through the feeding adjustment mechanism 2, by starting the DC motor 203, the cylinder 204 is rotated, thereby driving the conveyor belt 205 to achieve rotational motion. During this process, the fixed plate 202 will move up and down synchronously with the groove plate 5 to ensure that the conveyor belt 205 can achieve close contact with the large printed circuit board, and with the continuous rotation of the conveyor belt 205, the large printed circuit board can be effectively fed. At the same time, by adjusting the position of the fixed plate 202, it can flexibly adapt to large printed circuit boards of different widths, ensuring the accuracy and automation of the feeding process.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PCBA board automatic cutting device, comprising an operating table (1), characterized in that: A plurality of rollers (3) are rotatably connected to the middle of the top of the operating table (1); a first electric telescopic rod (4) is fixedly connected to the left and right sides of the rear of the top of the operating table (1); a telescopic end of the first electric telescopic rod (4) is fixedly connected to a groove plate (5); a second electric telescopic rod (6) is fixedly connected to the rear side of the groove plate (5); an L-shaped plate (7) is fixedly connected to the telescopic end of the second electric telescopic rod (6); the L-shaped plate (7) is slidably connected to the inner wall of the groove plate (5); a servo motor (8) is fixedly connected to the top of the L-shaped plate (7); a cutting knife (9) is fixedly connected to the output end of the servo motor (8); a plurality of limiting rollers (10) are rotatably connected to the front end of the groove plate (5); a feeding adjustment mechanism (2) is provided at the front end of the groove plate (5); the feeding adjustment mechanism (2) is used to transport materials for the device.

2. The PCBA board automatic cutting device according to claim 1, characterized in that: The feeding adjustment mechanism (2) comprises two movable hollow blocks (201), the two movable hollow blocks (201) are respectively fixedly connected to the left and right sides of the front end of the groove plate (5), a fixed plate (202) is provided on the adjacent side of the two movable hollow blocks (201), a slide groove (206) is provided on the left side of each movable hollow block (201), a fixed column (207) is fixedly connected to the left and right sides of the fixed plate (202), the fixed column (207) is slidably connected to the slide groove (206), a DC motor (203) is fixedly connected to the front end of the fixed plate (202), a cylinder (204) is rotatably connected to the left and right sides of the rear part of the fixed plate (202), an output end of the DC motor (203) passes through the fixed plate (202) and is fixedly connected to the left cylinder (204), and a conveyor belt (205) is provided on the outer wall of the cylinder (204).

3. The PCBA board automatic cutting device according to claim 1, characterized in that: A discharge hole (11) is provided in the middle of the rear side of the top end of the operating table (1), and a strip-shaped barrier net (12) is fixedly connected to the top of the inner wall of the discharge hole (11).

4. The PCBA board automatic cutting device according to claim 1, characterized in that: The bottom of the operating table (1) is slidably connected to a collection box (13), the rear side of the collection box (13) is fixedly connected to a handle (14), and the outer side of the handle (14) is fixedly connected to an anti-slip sleeve (15).

5. The PCBA board automatic cutting device according to claim 2, characterized in that: The left and right sides of the top of the operating table (1) are both fixedly connected to limit rods (16), and the outer wall of the limit rod (16) passes through the movable hollow block (201).

6. The PCBA board automatic cutting device according to claim 2, characterized in that: A fixing nut (20) is provided on the outer wall of the fixing column (207), and the fixing nut (20) is threadedly connected to the fixing column (207).

7. The PCBA board automatic cutting device according to claim 2, characterized in that: A controller (17) is fixedly connected to the right side of the front top of the operating table (1), and the controller (17) is electrically connected to the first electric telescopic rod (4), the second electric telescopic rod (6), the servo motor (8) and the DC motor (203) respectively.

8. The PCBA board automatic cutting device according to claim 7, characterized in that: The outer side of the controller (17) is fixedly connected to a housing (18), and the outer side of the housing (18) is rotatably connected to a protective cover (19).