Cutting device for PCB substrate
By introducing a fan for cooling and a grinding roller for polishing in the PCB substrate cutting device, the problems of high-temperature damage and uneven cutting surfaces during the cutting process are solved, achieving high-quality and high-precision cutting results.
Patent Information
- Application Number
- CN202520609414.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In existing technologies, the lack of a cooling mechanism during PCB substrate cutting leads to thermal damage and deformation due to high temperatures, resulting in uneven or burr-like cut surfaces that affect cutting quality and accuracy.
Design a PCB substrate cutting device, equipped with a fan for cooling and a grinding roller for grinding the cut surface, and combine it with a transmission component to achieve automated cutting and grinding.
It effectively avoids high-temperature damage during the cutting process, improves cutting quality and precision, and ensures a smooth, burr-free cut surface, enhancing aesthetics and subsequent performance.
Smart Images
Figure CN223904079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of PCB substrate production, and particularly relates to a cutting device for a PCB substrate. BACKGROUND
[0002] A PCB substrate is a support platform for electronic components, mainly used for connecting and fixing electronic components and realizing the connection between circuits, and is usually made of insulating materials (such as glass fiber, epoxy resin, plastic, etc.) and is made into a circuit pattern through printing, etching and other processes.
[0003] In order to meet the design requirements, the PCB substrate needs to be cut during the production process, but in the prior art, the PCB substrate is usually cut directly by a cutting knife, and there is no cooling mechanism. Since the blade will generate high temperature during cutting, if it is not cooled in time, the PCB substrate will be easily damaged by heat or deformed, thereby reducing the cutting quality and cutting accuracy of the PCB substrate. In addition, since the cutting knife is easily blunted or worn after use, the cutting surface of the cut PCB substrate is easily uneven or has burrs, and if the cutting surface is not polished, the appearance and subsequent use of the PCB substrate will be affected. SUMMARY
[0004] In view of the above problems in the prior art, the main purpose of the utility model is to provide a cutting device for a PCB substrate.
[0005] The technical scheme of the utility model is as follows: a cutting device for a PCB substrate, comprising a workbench, a cutting knife is rotatably connected to one side of the top of the workbench, a polishing roller is arranged on the side of the top of the workbench close to the cutting knife, a fan is rotatably connected to the upper part of the inside of the workbench, an air outlet is fixedly connected to the side of the top of the workbench close to the cutting knife, a moving frame is slidably connected to one side of the top of the workbench, a pressing plate is slidably connected to the inside of the moving frame, and a transmission assembly is arranged in the inside of the workbench.
[0006] As a preferred embodiment, the transmission assembly comprises a first motor and a linkage unit, the first motor is fixedly connected to the lower part of the inside of the workbench, the output end of the first motor is fixedly connected with the fan, a second motor is fixedly connected to one side of the outside of the workbench through a mounting bracket, the output end of the second motor extends into the inside of the workbench and is fixedly connected with the cutting knife, and the polishing roller can be rotated through the linkage unit.
[0007] As a preferred implementation form, the linkage unit comprises a first synchronous wheel fixedly connected to the bottom of the fan, a rotating shaft with the bottom fixedly connected to the second synchronous wheel is rotatably connected to the inside of the workbench near one side of the polishing roller, the first synchronous wheel and the second synchronous wheel are transmissionally connected through a synchronous belt, the first bevel gear is fixedly connected to the top of the rotating shaft extending to the top of the workbench, the limiting frame is fixedly connected to the side of the workbench near the polishing roller, the second bevel gear is rotatably connected to the inside of the limiting frame, the first bevel gear and the second bevel gear are meshingly connected, and the polishing roller is slidably connected to the inside of the limiting cover.
[0008] As a preferred implementation form, the limiting cover is slidably connected with a slide rod on one side of the inside, one end of the slide rod is fixedly connected to the polishing roller, and a spring is equidistantly arranged between the inside of the limiting cover and the polishing roller.
[0009] As a preferred implementation form, the inside wall of the workbench is fixedly connected with an air inlet cover on the top and outside of the fan, and an air inlet is equidistantly formed on one side of the outside of the workbench.
[0010] As a preferred implementation form, the top of the workbench is rotatably connected with a protective cover, the top of the moving frame is threadedly connected with a bolt, and the bottom of the bolt is rotatably connected with the top of the pressing plate.
[0011] The utility model discloses the beneficial effects are as follows:
[0012] The device can blow cold air through the fan during the cutting of the PCB substrate, blow the cold air to the cutting place of the PCB substrate, and cool the cutting place, thereby avoiding the high temperature generated during the cutting of the PCB substrate by the cutting knife, preventing the PCB substrate from being damaged or deformed, improving the cutting quality and cutting accuracy of the PCB substrate, and grinding the cutting surface of the PCB substrate through the polishing roller during the movement of the PCB substrate after cutting, thereby avoiding the uneven edges of the PCB substrate after cutting or burrs, affecting the appearance and subsequent use, and further improving the cutting quality of the PCB substrate. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further described below in combination with the drawings.
[0014] Figure 1 It is the perspective view of the utility model;
[0015] Figure 2 It is the partial perspective view of the utility model;
[0016] Figure 3It is the first sectional view of the utility model;
[0017] Figure 4 It is the second sectional view of the utility model;
[0018] Figure 5 It is the sectional view of the limiting cover in the utility model;
[0019] Figure 6 It is the Figure 2 enlarged view of A in the utility model;
[0020] Figure 7 It is the Figure 3 enlarged view of B in the utility model.
[0021] In the drawing: 1, workbench;2, cutting knife;3, polishing roller;4, fan;5, air outlet;6, moving frame;7, compression plate;8, first motor;9, first synchronous wheel;10, rotating shaft;11, second synchronous wheel;12, synchronous belt;13, first bevel gear;14, limiting frame;15, second bevel gear;16, second motor;17, air inlet cover;18, bolt;19, air inlet;20, protective cover;21, limiting cover;22, slide rod;23, spring. Specific implementation
[0022] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.
[0023] Please refer to Figures 1-7 A kind of cutting device of PCB substrate, including workbench 1, cutting knife 2 is rotatably connected to the top side of workbench 1, polishing roller 3 is equipped with on the top side of workbench 1 close to cutting knife 2, fan 4 is rotatably connected to the inside upper portion of workbench 1, air outlet 5 is fixedly connected to the top side of workbench 1 close to cutting knife 2, moving frame 6 is slidably connected to the top side of workbench 1, compression plate 7 is slidably connected to the inner side of moving frame 6, transmission assembly is arranged in the inside of workbench 1.
[0024] Specifically, the transmission assembly comprises the first motor 8 and the linkage unit, the first motor 8 is fixedly connected to the inside below of the workbench 1, the output end of the first motor 8 is fixedly connected with the fan 4, one side of the outside of the workbench 1 is fixedly connected with the second motor 16 through the mounting frame, the output end of the second motor 16 extends to the inside of the workbench 1 and is fixedly connected with the cutting knife 2, the polishing roller 3 can rotate through the linkage unit, the linkage unit comprises the first synchronous wheel 9, the first synchronous wheel 9 is fixedly connected to the bottom of the fan 4, the inside of the workbench 1 is rotatably connected with the rotating shaft 10 on the side close to the polishing roller 3, the bottom of the rotating shaft 10 is fixedly connected with the second synchronous wheel 11, the first synchronous wheel 9 and the second synchronous wheel 11 are drivingly connected through the synchronous belt 12, the top of the rotating shaft 10 extends to the top of the workbench 1 and is fixedly connected with the first bevel gear 13, the top of the workbench 1 is fixedly connected with the limiting frame 14 on the side close to the polishing roller 3, the inside of the limiting frame 14 is rotatably connected with the second bevel gear 15, the first bevel gear 13 is meshingly connected with the second bevel gear 15, the outside of the second bevel gear 15 is fixedly connected with the limiting cover 21, and the polishing roller 3 is slidingly connected to the inside of the limiting cover 21.
[0025] Through the above technical scheme, first, the PCB substrate is placed on the inner side of the moving frame 6, then the bolt 18 is rotated downward, the compression plate 7 is driven to move downward through the threaded connection, until the PCB substrate is clamped, then the first motor 8 and the second motor 16 are started, the output end of the second motor 16 drives the cutting knife 2 to rotate at high speed, at this time the worker manually pushes the moving frame 6 forward, at the same time drives the PCB substrate to move, until it moves to the cutting knife 2, then cutting can be carried out, the output end of the first motor 8 can drive the fan 4 and the first synchronous wheel 9 to rotate at high speed, the fan 4 can generate cold air in high-speed rotation, and blow out through the air inlet cover 17 and the air outlet 5, so that the cold air blows to the cutting part of the PCB substrate, and the cutting part of the PCB substrate is cooled, avoiding the problem that the cutting knife 2 is easy to generate high temperature in the process of cutting the PCB substrate, causing the PCB substrate to be damaged by heat or deformed, thereby effectively improving the cutting quality and cutting accuracy of the PCB substrate, and in the process of rotating the first synchronous wheel 9, the second synchronous wheel 11 and the shaft 10 can be driven to rotate through the synchronous belt 12, the shaft 10 drives the first bevel gear 13 at the top to rotate, so that the first bevel gear 13 drives the second bevel gear 15 and the limiting cover 21 to rotate through the meshing relationship, the limiting cover 21 drives the inner side grinding roller 3 to rotate at high speed, when the cutting of the PCB substrate is completed, continue to push forward, until the PCB substrate is pushed to the grinding roller 3, the cutting surface of the PCB substrate can be polished by the high-speed rotating grinding roller 3, avoiding the problem that the edge of the PCB substrate after cutting is not flat or has burrs, affecting the appearance and subsequent use, thereby further improving the cutting quality of the PCB substrate, the device can blow cold air through the fan 4 in the process of cutting the PCB substrate, so that the cold air blows to the cutting part of the PCB substrate, and the cutting part of the PCB substrate is cooled, avoiding the problem that the cutting knife 2 is easy to generate high temperature in the process of cutting the PCB substrate, causing the PCB substrate to be damaged by heat or deformed, thereby effectively improving the cutting quality and cutting accuracy of the PCB substrate, and in the process of cutting, the cutting surface of the PCB substrate can be polished by the grinding roller 3 when the PCB substrate continues to move forward after cutting, avoiding the problem that the edge of the PCB substrate after cutting is not flat or has burrs, affecting the appearance and subsequent use, thereby further improving the cutting quality of the PCB substrate.
[0026] Specifically, the inner side of the limiting cover 21 is slidably connected with a slide rod 22, one end of the slide rod 22 is fixedly connected with the grinding roller 3, a spring 23 is equidistantly arranged between the inner side of the limiting cover 21 and the grinding roller 3, an air inlet cover 17 is fixedly connected to the top of the inner wall of the workbench 1 and located outside the fan 4, an air inlet 19 is equidistantly formed on one side of the outer side of the workbench 1, a protective cover 20 is rotatably connected to one side of the top of the workbench 1, a bolt 18 is threadedly connected to the top of the moving frame 6, and the bottom of the bolt 18 is rotatably connected with the top of the compression plate 7.
[0027] Through the technical scheme, the elasticity of the plurality of springs 23 arranged in the limiting cover 21 can push the polishing roller 3 to be always close to the cutting surface of the PCB substrate, thereby improving the polishing effect; the air inlet 19 is arranged to facilitate the air suction of the fan 4; the protective cover 20 is arranged to protect the PCB substrate during cutting, prevent the debris generated during cutting from splashing everywhere, and improve the use safety of the device.
[0028] In use, first, the PCB substrate is placed on the inner side of the moving frame 6, then the bolt 18 is rotated downward, and the pressing plate 7 is driven to move downward through the threaded connection, until the PCB substrate is clamped, then the first motor 8 and the second motor 16 are started, the output end of the second motor 16 drives the cutting knife 2 to rotate at high speed, at this time the worker manually pushes the moving frame 6 forward, and the PCB substrate is driven to move, until it moves to the cutting knife 2, then cutting can be performed, the output end of the first motor 8 can drive the fan 4 and the first synchronous wheel 9 to rotate at high speed, the fan 4 can generate cold air in high-speed rotation, and blow out through the air inlet cover 17 and the air outlet 5, so that the cold air blows to the cutting part of the PCB substrate, and the cooling effect is good, which avoids the problem that high temperature is easily generated in the process that the cutting knife 2 cuts the PCB substrate, and the PCB substrate is damaged or deformed due to high temperature, thereby effectively improving the cutting quality and cutting accuracy of the PCB substrate, and in the process that the first synchronous wheel 9 rotates, the second synchronous wheel 11 and the shaft 10 can be driven to rotate through the synchronous belt 12, the shaft 10 drives the first bevel gear 13 at the top to rotate, so that the first bevel gear 13 drives the second bevel gear 15 and the limiting cover 21 to rotate through the meshing relationship, and the limiting cover 21 drives the inner polishing roller 3 to rotate at high speed, when the cutting of the PCB substrate is completed, continue to push forward, until the PCB substrate is pushed to the polishing roller 3, the cutting surface of the PCB substrate can be polished by the high-speed rotating polishing roller 3, which avoids the problem that the edge of the PCB substrate after cutting is not flat or has burrs, which affects the appearance and subsequent use, thereby further improving the cutting quality of the PCB substrate, the fan 4 blows out cold air during the cutting process of the PCB substrate, the cold air blows to the cutting part of the PCB substrate, and the cooling effect is good, which avoids the problem that high temperature is easily generated in the process that the cutting knife 2 cuts the PCB substrate, and the PCB substrate is damaged or deformed due to high temperature, thereby effectively improving the cutting quality and cutting accuracy of the PCB substrate, and after cutting, the cutting surface of the PCB substrate can be polished by the polishing roller 3 during the process that the PCB substrate continues to move forward, which avoids the problem that the edge of the PCB substrate after cutting is not flat or has burrs, which affects the appearance and subsequent use, thereby further improving the cutting quality of the PCB substrate, the elastic force of the multiple springs 23 arranged in the limiting cover 21 can always push the polishing roller 3 to be tightly attached to the cutting surface of the PCB substrate, thereby improving the polishing effect, the air inlet 19 is arranged to facilitate air suction of the fan 4, and the protective cover 20 is arranged to protect the PCB substrate during cutting, preventing debris generated during cutting from flying everywhere, thereby improving the use safety of the device.
[0029] The above front, rear, left, right, top and bottom are all in the drawings of the specification Figure 1For the reference, according to the standard of the perspective of the person, the side of the device facing the observer is defined as front, the left side of the observer is defined as left, and the like.
[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the utility model.
[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A cutting device of a PCB substrate, comprising a worktable (1), characterized in that, The top side of the workbench (1) is rotatably connected with a cutting knife (2), one side of the top of the workbench (1) near the cutting knife (2) is provided with a polishing roller (3), the upper inside of the workbench (1) is rotatably connected with a fan (4), one side of the top of the workbench (1) near the cutting knife (2) is fixedly connected with an air outlet (5), one side of the top of the workbench (1) is slidably connected with a moving frame (6), the inside of the moving frame (6) is slidably connected with a pressing plate (7), and the inside of the workbench (1) is provided with a transmission assembly.
2. The apparatus for cutting a PCB substrate according to claim 1, wherein The transmission assembly comprises a first motor (8) and a linkage unit, the first motor (8) is fixedly connected to the lower inside of the workbench (1), the output end of the first motor (8) is fixedly connected with the fan (4), one side of the outside of the workbench (1) is fixedly connected with a second motor (16) through a mounting frame, the output end of the second motor (16) extends to the inside of the workbench (1) and is fixedly connected with the cutting knife (2), and the polishing roller (3) can rotate through the linkage unit.
3. The apparatus according to claim 2, wherein The linkage unit comprises a first synchronous wheel (9), the first synchronous wheel (9) is fixedly connected to the bottom of the fan (4), one side of the inside of the workbench (1) near the polishing roller (3) is rotatably connected with a rotating shaft (10), the bottom of the rotating shaft (10) is fixedly connected with a second synchronous wheel (11), the first synchronous wheel (9) and the second synchronous wheel (11) are drivingly connected through a synchronous belt (12), the top of the rotating shaft (10) extends to the top of the workbench (1) and is fixedly connected with a first bevel gear (13), one side of the top of the workbench (1) near the polishing roller (3) is fixedly connected with a limiting frame (14), the inside of the limiting frame (14) is rotatably connected with a second bevel gear (15), the first bevel gear (13) is meshingly connected with the second bevel gear (15), the outside of the second bevel gear (15) is fixedly connected with a limiting cover (21), and the polishing roller (3) is slidably connected to the inside of the limiting cover (21).
4. The apparatus according to claim 3, wherein The inside of the limiting cover (21) is slidably connected with a slide rod (22), one end of the slide rod (22) is fixedly connected with the polishing roller (3), and the inside of the limiting cover (21) and the polishing roller (3) are equidistantly provided with a spring (23).
5. The apparatus according to claim 4, wherein The top of the inner wall of the workbench (1) and located outside the fan (4) is fixedly connected with an air inlet cover (17), and the outside of the workbench (1) is equidistantly provided with an air inlet (19).
6. The apparatus according to claim 1, wherein The top side of the workbench (1) is rotatably connected with a protective cover (20), the top of the moving frame (6) is threadedly connected with a bolt (18), and the bottom of the bolt (18) is rotatably connected with the top of the pressing plate (7).