PCB cutting base
By using vacuum tube negative pressure fixing and detachable support block assembly design, the problem that traditional PCB board cutting equipment cannot adapt to PCB boards of different shapes is solved, realizing a high-precision and efficient cutting process, reducing production costs and equipment maintenance difficulty.
Patent Information
- Application Number
- CN202423241955.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Traditional PCB cutting equipment and base designs cannot adapt to PCBs of different shapes, resulting in decreased cutting accuracy and low production efficiency, and the fixing method is prone to damaging the PCB.
The system uses vacuum tubes to provide negative pressure to fix the PCB board, combined with a detachable support block assembly and a limit stop design. The support block assembly can be replaced to accommodate PCB boards of different sizes, and the limit stop restricts the movement of the anti-air base to ensure cutting accuracy and stability.
It effectively prevents PCB board displacement during the cutting process, improves cutting accuracy and efficiency, reduces production costs, and enhances equipment flexibility and maintainability.
Smart Images
Figure CN223749749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the electronic manufacturing technical field, concretely relates to a PCB cutting base. BACKGROUND
[0002] In the electronic manufacturing field, circuit board cutting is a key link in the production process. With the diversification and miniaturization development of electronic products, the processing demand of circuit boards of the same size but different shapes is often encountered. The traditional cutting equipment and base are often designed for specific shapes or limited shapes. When a new model is replaced, a complete set of cutting bases needs to be ordered from the supplier, and the PCB is prone to displacement due to external force or its own weight during cutting, which leads to a decrease in cutting precision and may even damage the PCB, affecting product quality and production efficiency. The traditional fixing methods, such as using clamps or adhesives, are not only cumbersome to operate, but also may cause damage to the PCB due to insecure or excessive fixing. SUMMARY
[0003] In view of the problem that the cutting efficiency of the PCB needs to be improved in the prior art, a PCB cutting base is proposed. The utility model provides the following technical scheme:
[0004] A PCB cutting base comprises a base, a support is installed on the base, an empty base is arranged at the upper end of the support, a positioning platform is arranged on the empty base, a cutting groove is arranged on the inner side of the positioning platform, a support block assembly for supporting the PCB is arranged in the cutting groove, and an empty area for cutting the PCB is formed by the occupation of the support block assembly, a ventilation hole is arranged in the empty area, and a vacuum tube for connecting the air source and providing negative pressure is connected to the lower side of the ventilation hole.
[0005] Preferably, the support adopts a pneumatic cylinder.
[0006] Preferably, an installation seat is connected to the upper end of the support, and the empty base is installed on the installation seat.
[0007] Preferably, a limiting block for abutting against the empty base is arranged on the outer side of the positioning platform, limiting grooves are arranged on the circumferential side of the empty base, the limiting block is installed in the limiting grooves and can be detachably connected to the installation seat.
[0008] Preferably, a plurality of first screw holes are arranged on the installation seat, at least three limiting grooves of the empty base are operable to be placed on the installation seat and satisfy that the screw holes are arranged in the limiting grooves, a second installation hole is arranged on the limiting block, a screw is threadedly connected in the second installation hole, and the screw is operable to be connected to the second installation hole.
[0009] Preferably, the empty base is square.
[0010] Preferably, each side of the avoidance base is provided with two limiting grooves.
[0011] Preferably, a sealing ring is installed on the upper end of the positioning platform, and the sealing ring is arranged on the outer side of the support block assembly.
[0012] Compared with the prior art, the PCB cutting base has the following beneficial effects:
[0013] 1. The vacuum tube provides negative pressure, effectively adsorbs and fixes the PCB board, and prevents displacement of the PCB board during cutting;
[0014] 2. The support block assembly is composed of multiple specifications of square blocks or square blocks with rounded corners, different avoidance bases can be replaced according to the specifications of the PCB board, and the production cost is reduced;
[0015] 3. The cooperation of the limiting block and the limiting groove limits the lateral movement of the avoidance base, and the detachable connection mode facilitates the installation, replacement, maintenance and repair of the avoidance base. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a front view structural schematic diagram of the utility model;
[0017] Figure 2 is a top view structural schematic diagram of the utility model;
[0018] In the drawings, 1, base; 2, support; 3, mounting seat; 4, avoidance base; 5, cutting groove; 6, support block assembly; 7, limiting block; 8, screw; 9, vacuum tube; 10, sealing ring. DETAILED DESCRIPTION
[0019] The direction words mentioned in the following embodiments, such as 'up', 'down', 'left', 'right', etc., are only the directions of the drawings, therefore, the direction words used are used to illustrate but not to limit the utility model creation.
[0020] As shown in Figure 1 and Figure 2 , a PCB cutting base, comprising a base 1, the base 1 is provided with a support 2, the upper end of the support 2 is provided with an avoidance base 4, the avoidance base 4 is provided with a positioning platform, the inner side of the positioning platform is provided with a cutting groove 5, the cutting groove 5 is provided with a support block assembly 6 for supporting the PCB board, and the avoidance area for cutting the PCB board is formed by the support block assembly 6, the avoidance area is provided with a vent hole, the lower side of the vent hole is connected with a vacuum tube 9 for connecting the air source and providing negative pressure, the vacuum tube 9 provides negative pressure, can effectively adsorb and fix the PCB board, prevent displacement of the PCB board during cutting, improve cutting precision and efficiency.
[0021] Specifically, the support block assembly 6 is composed of multiple specifications of square blocks or square blocks with rounded corners. Different avoidance bases 4 can be replaced in different production batches according to the specifications of the PCB board, improving the flexibility and adaptability of the base, so that the same base can adapt to the cutting needs of PCB boards of different specifications, reducing production costs.
[0022] Specifically, the support 2 is supported by support columns and arranged in a rectangular shape at the four corners, with high stability.
[0023] Further, the upper end of the support 2 is connected with a mounting seat 3, and the avoidance base 4 is mounted on the mounting seat 3. The mounting seat 3 is provided with a gas inlet hole, and the vacuum pipe 9 is connected to the gas inlet hole. The gas inlet hole is in communication with the air hole, and the gas inlet hole and the air hole are preferentially arranged at the central part, so that the negative pressure distribution is more uniform, further enhancing the fixing effect of the PCB board and ensuring the stability of the cutting process.
[0024] Further, the outer side of the positioning platform is provided with a limiting block 7 for abutting and positioning the avoidance base 4. The circumferential side of the avoidance base 4 is provided with a limiting groove, and the limiting groove is provided through from top to bottom. The limiting block 7 is mounted in the limiting groove and can be detachably connected to the mounting seat 3. The side wall of the limiting block 7 abuts against the groove bottom of the limiting groove. The cooperation of the limiting block 7 and the limiting groove limits the lateral movement of the avoidance base 4, enhances the stability of the base, and ensures the smooth progress of the cutting process.
[0025] Further, the mounting seat 3 is provided with a plurality of first screw holes. Further, the avoidance base 4 is square, and each side of the avoidance base 4 is provided with two limiting grooves. After the avoidance base 4 is placed on the mounting seat 3, the screw hole is placed in the limiting groove. The limiting block 7 is provided with a second mounting hole, and a screw 8 is threadedly connected in the second mounting hole. The screw 8 can be operatively connected to the second mounting hole, facilitating the installation and replacement of the avoidance base 4, and also facilitating the maintenance and repair of the base, improving the maintainability of the equipment.
[0026] Further, the positioning platform is a square frame, and a sealing ring 10 also in a square shape is mounted on the upper end of the positioning platform. The sealing ring 10 is arranged outside the support block assembly 6. The PCB board is placed on the sealing ring 10, and the support block assembly 6 also provides auxiliary support. The PCB is subjected to vacuum suction by an external vacuum pump, ensuring the vacuum state of the PCB and avoiding shaking.
[0027] Example 2
[0028] Further, the support 2 adopts a gas cylinder. When arranged, the base of the gas cylinder is arranged downward on the base 1, and the output end of the gas cylinder is vertically arranged upward and connected to the mounting seat 3. The height of the avoidance base 4 can be flexibly adjusted, which is convenient for adapting to PCB boards of different thicknesses and improves the versatility and operation convenience of the equipment.
Claims
1. A PCB cutting base, characterized by, Including base (1), support (2) is installed on base (1), and the upper end of support (2) is provided with empty base (4), the upper side of empty base (4) is provided with positioning platform, the inner side of positioning platform is provided with cutting groove (5), the cutting groove (5) is provided with support block assembly (6) for supporting PCB board, and the empty area for cutting PCB board is formed by support block assembly (6) occupation, the empty area is provided with air hole, the lower side of air hole is connected with vacuum tube (9) for connecting air source and providing negative pressure.
2. The PCB cutting base of claim 1, wherein, The support (2) is a pneumatic cylinder.
3. The PCB cutting base of claim 1 or 2, wherein, The upper end of the support (2) is connected with the mounting seat (3), and the empty base (4) is mounted on the mounting seat (3).
4. The PCB cutting base of claim 1, wherein, The outer side of the positioning platform is provided with a limiting block (7) for abutting and positioning the empty base (4), and the circumferential side of the empty base (4) is provided with a limiting groove, the limiting block (7) is mounted in the limiting groove and detachably connected to the mounting seat (3).
5. The PCB cutting base of claim 4, wherein, The mounting seat (3) is provided with a plurality of first screw holes, and the empty base (4) has at least three limiting grooves that can be placed on the mounting seat (3) and meet the screw holes placed in the limiting grooves, the limiting block (7) is provided with a second mounting hole, and a screw (8) is threadedly connected in the second mounting hole, and the screw (8) is operatively connected to the second mounting hole.
6. The PCB cutting base of claim 5, wherein, The empty base (4) is square.
7. The PCB cutting base of claim 6, wherein, Each side of the empty base (4) is provided with two limiting grooves.
8. The PCB cutting base of claim 1, wherein, The upper end of the positioning platform is provided with a sealing ring (10), and the sealing ring (10) is arranged outside the support block assembly (6).