Base plate for PCB drilling
By introducing a grid structure reinforcement and a vacuum adsorption system into the PCB drilling pad, the problems of pad displacement and short service life are solved, achieving higher drilling accuracy and service life.
Patent Information
- Application Number
- CN202520272378.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing PCB drilling pads are prone to displacement during use, affecting drilling accuracy, and are also prone to dents and bulges after prolonged use, resulting in a short service life.
A reinforcing frame with a grid structure is used to increase the strength of the pad, and it is fixed to the base by suction cups. A vacuum adsorption is formed by an air pump and a three-way pipe system to ensure the stability of the pad.
It improves the overall strength of the pad, prevents displacement, extends service life, simplifies the installation process, and ensures drilling accuracy.
Smart Images

Figure CN223657130U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PCB drilling with the technical field of backing plate, specifically is a kind of PCB drilling with backing plate. BACKGROUND
[0002] PCB is printed circuit board, it makes circuit mini, and it is important to the batch production of fixed circuit and the optimization of electric appliance layout, in PCB board production process, need to drill different specifications hole on PCB for component jack or conduction, when drilling in PCB, generally adopt drilling gasket as support plate, to guarantee the smooth operation of drilling operation.
[0003] The existing PCB drilling with backing plate structure is simple, and the backing plate is simply placed on the base or workbench surface, and the backing plate is prone to displacement during processing, affecting the drilling accuracy, and some adopt the way of punching holes on the base by bolts to fix the backing plate on the base plate, the installation process is more cumbersome, and the bolts are loose after long-term use, so that the stability is poor, and the drilling accuracy is also affected.
[0004] In addition, the backing plate is not provided with a reinforcing structure, and is prone to concave and convex phenomenon after long-term use, so that the service life of the backing plate is short, and therefore a PCB drilling with backing plate is needed to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model discloses a kind of PCB drilling with backing plate, with it can be through the reinforcing frame of grid structure, improve the overall strength of backing plate body, increase service life and can be through suction cup quickly and firmly fixed backing plate, prevent backing plate displacement, It is simple to operate.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of PCB drilling with backing plate, including backing plate body, the upper end surface of the backing plate body is penetrated and is equipped with multiple evenly distributed mesh, the lower end of the backing plate body is fixedly connected with reinforcing frame, the left and right two end surfaces of the backing plate body are all fixedly connected with vertical plate, two The horizontal plate of being fixedly connected between the vertical plate is respectively located in the front and rear ends of reinforcing frame, the upper end surface of two The horizontal plate is all penetrated and is screw-connected with threaded rod, the lower end of two The threaded rod is all rotatably connected with driving plate, the left end of the vertical plate located in left end is installed with air pump, the air outlet end of the air pump is communicated with three-way pipe, the other two ends of the three-way pipe are extended to the front end and rear end of vertical plate respectively, and outer wall is communicated with multiple evenly distributed delivery pipe, the other end of the delivery pipe is penetrated and is fixedly connected with driving plate on the same side, and another end is installed with suction cup.
[0007] In order to prevent the driving plate from rotating in the axial movement process, as a kind of PCB drilling backing plate of the utility model, the left and right ends of the driving plate are respectively abutted with the inner walls of the two vertical plates.
[0008] In order to increase the strength of the backing plate body and facilitate the falling of the debris generated in the drilling process with the grid hole, as a kind of PCB drilling backing plate of the utility model, the reinforcing frame is in a grid structure.
[0009] In order to facilitate the movement of the driving plate, as a kind of PCB drilling backing plate of the utility model, the conveying pipe is a hose.
[0010] In order to facilitate the rotation of the driving screw rod, as a kind of PCB drilling backing plate of the utility model, the upper end faces of the two screw rods are fixedly connected with knobs.
[0011] In order to facilitate the falling of the debris falling from the grid hole to the outlet, as a kind of PCB drilling backing plate of the utility model, the inclined flow guide plate is fixedly connected between the two vertical plates, and the right end face of the vertical plate at the right end is provided with an outlet corresponding to the inclined flow guide plate.
[0012] In order to facilitate the prevention of gas circulation, as a kind of PCB drilling backing plate of the utility model, the outer wall of the tee joint pipe near one end of the air pump is provided with a stop valve.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a reinforcing frame can increase the strength of the backing plate body, so that it is not easy to appear concave and convex in the use process, prolong its service life, two screw rods are rotated to drive the driving plate connected with it to move downward respectively, so that the suction cup abuts with the base, and one end of the air pump is connected with the vacuum generator at the same time, the air pump is started and cooperates with the tee joint pipe, the conveying pipe and the suction cup, so that a low-pressure environment is formed in the suction cup, the front and rear sides of the lower end of the backing plate body are fixed by being adsorbed on the base, and the above-mentioned purposes are achieved, that is, the reinforcing frame of the grid structure can improve the overall strength of the backing plate body, increase the service life, the suction cup can quickly and firmly fix the backing plate, prevent the displacement of the backing plate, and the operation is simple. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the overall structural drawing of the utility model;
[0016] Fig. 2 It is the overall cross-sectional structure drawing of the utility model;
[0017] Fig. 3 It is the reinforcing frame structure drawing of the utility model.
[0018] In the figure: 1, the base plate body; 2, the vertical plate; 3, the horizontal plate; 4, the threaded rod; 5, the air pump; 6, the outlet; 7, the driving plate; 8, the tee pipe; 9, the conveying pipe; 10, the suction cup; 11, the reinforcing frame; 12, the inclined guide plate. DETAILED DESCRIPTION
[0019] Please refer to Figs. 1 to 3 A kind of PCB drilling base plate, including base plate body 1, the upper end surface of base plate body 1 is provided with multiple evenly distributed mesh, the lower end of base plate body 1 is fixedly connected with reinforcing frame 11, the left and right two end surfaces of base plate body 1 are all fixedly connected with vertical plate 2, two vertical plates 2 are fixedly connected with horizontal plate 3 located at the front and rear ends of reinforcing frame 11 between, the upper end surface of two horizontal plates 3 is all penetrated and is fixedly connected with threaded rod 4, the lower end of two threaded rods 4 is all rotatably connected with driving plate 7, air pump 5 is installed at the left end of left end vertical plate 2, the air outlet end of air pump 5 is communicated with tee pipe 8, the other two ends of tee pipe 8 are extended to the front end and rear end of vertical plate 2 respectively, and outer wall is communicated with multiple evenly distributed conveying pipes 9, the other end of conveying pipe 9 is penetrated and is fixedly connected with driving plate 7 on the same side, and the other end is installed with suction cup 10.
[0020] In the embodiment: the reinforcing frame 11 can increase the strength of the base plate body 1, so that it is not easy to appear concave and convex in the use process, prolong its service life, by rotating two threaded rods 4 can drive the driving plate 7 connected with it to move downward respectively, so that the suction cup 10 is in abutment with the base, at the same time, one end of the air pump 5 is connected with the vacuum generator, the air pump 5 is started and cooperates with the tee pipe 8, the conveying pipe 9 and the suction cup 10, so that the low pressure environment is formed in the suction cup 10, the base plate body 1 is fixed by the suction cup 10 adsorbed on the base, the front and rear sides of the lower end of the base plate body 1 are fixed at this time, the lower end of the two vertical plates 2 is also in close abutment with the base plate, which can prevent the base plate body 1 from displacement and support the base plate body 1, increase the stability of the base plate body 1.
[0021] As a technical optimization scheme of the utility model, the left and right two ends of the driving plate 7 are respectively in abutment with the inner walls of the two vertical plates 2.
[0022] In the embodiment: the left and right two ends of the driving plate 7 are respectively in abutment with the inner walls of the two vertical plates 2, which can prevent the driving plate 7 from rotating axially during movement.
[0023] As a technical optimization scheme of the utility model, the reinforcing frame 11 is in grid structure.
[0024] In the embodiment: the reinforcing frame 11 is in grid structure, which can increase the strength of the base plate body 1 and facilitate the debris generated during drilling to fall through the grid holes.
[0025] As a technical optimization scheme of the utility model, the conveying pipe 9 is a hose.
[0026] In the embodiment, the conveying pipe 9 is a hose, which can conveniently drive the conveying pipe 9 to move when the driving plate 7 moves.
[0027] As a technical optimization scheme of the utility model, the upper end surface of the two threaded rods 4 is fixedly connected with a knob.
[0028] In the embodiment, the knob can conveniently drive the threaded rod 4 to rotate.
[0029] As a technical optimization scheme of the utility model, the two vertical plates 2 are fixedly connected with an inclined flow guide plate 12, and the right end surface of the right end vertical plate 2 is provided with an outlet 6 corresponding to the inclined flow guide plate 12.
[0030] In the embodiment, the debris falling from the mesh hole can conveniently slide along the inclined flow guide plate 12 to the outlet 6 and be discharged through the inclined flow guide plate 12.
[0031] As a technical optimization scheme of the utility model, the three-way pipe 8 is provided with a stop valve on the outer wall of the end close to the air pump 5.
[0032] In the embodiment, the stop valve can prevent the gas from flowing.
[0033] Working principle: the reinforcing frame 11 can increase the strength of the pad body 1, so that the pad body 1 is not prone to concave and convex in the use process, and the service life is prolonged; the driving plate 7 connected with the two threaded rods 4 can be driven to move downward, so that the suction cup 10 abuts against the base, the air pump 5 is started, and the three-way pipe 8, the conveying pipe 9 and the suction cup 10 are cooperated, so that a low-pressure environment is formed in the suction cup 10; after the suction cup 10 is adsorbed on the base, the stop valve on the outer wall of the three-way pipe 8 is closed to prevent the gas from flowing, so that the suction cup 10 is fixed on the base for a long time; the front and rear sides of the lower end of the pad body 1 are fixed, the lower ends of the two vertical plates 2 are in close abutment with the bottom plate, the pad body 1 is prevented from displacement, the pad body 1 is supported, and the stability of the pad body 1 is increased.
[0034] In use, the PCB is placed on the upper end of the pad body 1, and the debris generated in the process of drilling the PCB falls through the mesh hole and the mesh hole, slides along the inclined flow guide plate 12 to the outlet 6 and is discharged.
[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A PCB drilling backing plate comprising a backing plate body (1), a plurality of uniformly distributed mesh holes are formed through the upper end surface of the backing plate body (1), characterized in that: The reinforcing frame (11) is fixedly connected to the lower end of the base plate body (1), left and right end faces of the base plate body (1) are fixedly connected with vertical plates (2), transverse plates (3) located at the front and rear ends of the reinforcing frame (11) are fixedly connected between the two vertical plates (2), screw rods (4) are in threaded connection with the upper end faces of the two transverse plates (3), driving plates (7) are rotatably connected to the lower ends of the two screw rods (4), an air pump (5) is installed at the left end of the left vertical plate (2), a three-way pipe (8) is in communication with the air outlet end of the air pump (5), the other two ends of the three-way pipe (8) extend to the front and rear ends of the vertical plate (2) respectively, and a plurality of conveying pipes (9) are in communication with the outer wall of the three-way pipe (8) and are uniformly distributed, the other ends of the conveying pipes (9) are in fixed connection with the driving plate (7) on the same side, and suction cups (10) are installed at the other ends of the conveying pipes (9).
2. The PCB drill pad of claim 1, wherein: The left and right ends of the driving plate (7) are in abutment with the inner walls of the two vertical plates (2).
3. The PCB drill pad of claim 1, wherein: The reinforcing frame (11) is in a grid structure.
4. The PCB drill pad of claim 1, wherein: The conveying pipe (9) is a flexible pipe.
5. The PCB drill pad of claim 1, wherein: Knobs are fixedly connected to the upper end faces of the two screw rods (4).
6. The PCB drill pad of claim 1, wherein: An inclined flow guide plate (12) is fixedly connected between the two vertical plates (2), and an outlet (6) corresponding to the inclined flow guide plate (12) is formed in the right end face of the right vertical plate (2).
7. The PCB drill pad of claim 1, wherein: A stop valve is installed on the outer wall of the end of the three-way pipe (8) close to the air pump (5).