Processing device for solder mask plug hole of PCB (printed circuit board) mechanical back drilling hole
By introducing a gear and rack structure and a support block clamping plate combination design into the drilling equipment, the problem of fixing different types of PCB boards is solved, the processing efficiency and accuracy are improved, and the frequency and time of fixture replacement are reduced.
Patent Information
- Application Number
- CN202520573469.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-29
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-29
AI Technical Summary
Existing drilling equipment cannot flexibly adapt to different PCB board models, resulting in frequent fixture changes, which affects work efficiency and processing accuracy.
The platform employs an internal first gear and rack structure, combined with a design of support blocks, connecting rods, and clamping plates, to achieve flexible and reliable clamping and fixing of PCBs of different sizes and shapes. The rack is moved by gear meshing, and the limiting components ensure the stability and accuracy of the drilling process.
It improves the efficiency and accuracy of PCB board drilling, reduces fixture change time, and ensures the stability and fixation accuracy of the drilling process.
Smart Images

Figure CN223701097U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PCB mechanical back drilling hole anti -soldering plug hole technical field, concretely is a kind of PCB mechanical back drilling hole anti -soldering plug hole's processing device. BACKGROUND
[0002] In the field of PCB board mechanical back drilling hole anti-soldering plug hole processing, the existing drilling equipment faces many challenges when processing PCB board. Among them, the fixing problem of different models of PCB board is particularly prominent, and the current drilling equipment generally cannot flexibly adapt to the fixing of different models of PCB board. In actual production process, due to the diversity of PCB board models, the size and shape are different, and the existing equipment often needs to frequently change different clamps to meet the fixing demand. This operation is not only complicated, but also consumes a lot of time and labor cost, and frequent replacement of clamps can easily increase the downtime of the equipment, seriously affecting the work efficiency.
[0003] In some small processing plants, when multiple different models of PCB boards need to be processed, workers need to spend a lot of time to disassemble and install different clamps, and in the process of replacing clamps, the equipment or clamps may be damaged due to improper operation, in addition, frequent replacement of clamps also makes it difficult to ensure the accuracy and stability of each fixation, thereby affecting the processing quality of PCB board.
[0004] In contrast, the processing device of PCB mechanical back drilling hole anti-soldering plug hole involved in the present application effectively solves the above problems through unique structural design. The first gear and rack structure inside the platform are arranged to cooperate with each other, the support block, connecting rod and clamping plate are combined to design the fixing piece at the top of the outer side of the rack, the inner side groove and non-slip pad of the clamping plate can adapt to PCB boards of different sizes and shapes, realize flexible and reliable clamping and fixing, without frequent replacement of clamps, greatly improve the work efficiency and processing precision. SUMMARY
[0005] The utility model aims at providing a kind of PCB mechanical back drilling hole anti-soldering plug hole's processing device to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides following technical scheme: a kind of PCB mechanical back drilling hole anti-solder plug hole's processing device, including platform, the inside of the platform is formed cavity, and the inside of the cavity is rotatably connected with first gear, the inside of the inner cavity of the platform both sides are fixed with limit slot plate, limit slot is opened in the inside of the limit slot plate, and limit block is slidably connected in the inside of the limit slot, the outer wall of the limit block is fixed with rack, and the caliper of the rack surface is meshed with first gear and is connected, the outside top end of the rack is provided with fixing piece, the bottom of the first gear is fixed with second gear by rotating rod, the bottom of the platform is provided with limit piece.
[0007] Preferably, the inside of the platform is provided with a through hole, and the first gear extends to the bottom end thereof through the rotating rod and is connected with the second gear.
[0008] Preferably, the fixing piece comprises a support block, the support block is fixed on the side of the rack away from the first gear, a connecting rod is fixed to the top end of the support block, and a clamping plate is fixed to the top end of the connecting rod.
[0009] Preferably, a groove is formed in the inner side of the clamping plate, and an anti-slip pad is processed on the inner wall of the groove.
[0010] Preferably, the limit piece comprises a sleeve, the sleeve is fixed to the bottom end of the platform, a push rod is slidably connected in the inside of the sleeve, a clamping plate is fixed to one side of the push rod, and a fixing piece is provided on the outer wall of the sleeve.
[0011] Preferably, the clamping plate is semicircular in shape, and a protrusion is processed on the inner wall of the clamping plate for clamping and limiting the second gear.
[0012] Preferably, a through threaded hole is formed on the surface of the sleeve, and the fixing piece is used to extrude and fix the push rod by penetrating the threaded hole.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] By arranging the first gear and the rack structure in cooperation in the platform, when the first gear rotates, the rack can be precisely driven to move, which enables the PCB board fixed on the rack to move stably under the drilling machine, ensuring the stability and accuracy of the drilling process and effectively improving the drilling processing efficiency of the PCB board.
[0015] The fixing piece is designed in combination of the support block, the connecting rod and the clamping plate, the support block is fixed on the rack to provide a stable support base for the clamping plate, the connecting rod connects the support block and the clamping plate, the groove in the inner side of the clamping plate and the anti-slip pad on the inner wall of the groove can firmly clamp the PCB board, avoiding displacement of the PCB board during drilling and ensuring the processing accuracy.
[0016] The sleeve in the limiting piece is fixed at the bottom end of the platform, and the push rod can be flexibly slid in the sleeve. When the second gear needs to be limited, the push rod is pushed to make the clamping plate clamped with the second gear, and the protrusion on the inner wall of the clamping plate further enhances the limiting effect, and meanwhile, the push rod can be fixed conveniently through the fixing piece, so that the stability of the limiting state is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic view of the utility model;
[0018] Figure 2 It is a structural detail view of the utility model;
[0019] Figure 3 It is a structural detail view of the utility model;
[0020] Figure 4 It is a structural detail view of the utility model.
[0021] Mark explanation: 1, drilling machine, 2, platform, 3, first gear, 4, limiting groove plate, 5, limiting block, 6, rack, 7, support block, 8, connecting rod, 9, clamping plate, 10, second gear, 11, sleeve, 12, push rod, 13, clamping plate, 14, fixing piece. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described 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 Figures 1-4The utility model provides a kind of PCB mechanical back drilling hole anti-solder plug hole's processing device technical scheme: a kind of PCB mechanical back drilling hole anti-solder plug hole's processing device, including platform 2, the top of platform 2 is provided with drilling machine for carrying out punching to PCB board, the inside of platform 2 forms cavity, and the inside of cavity is rotatably connected with first gear 3, first gear 3 can drive rack 6 to move when rotating, the inside of the inner cavity of platform 2 both sides are fixed with limit slot plate 4, limit slot plate 4 is used to provide support to limit block 5, limit slot plate 4 is internally provided with limit slot, and limit block 5 is slidably connected in the inside of limit slot, limit block 5 is used to limit when rack 6 moves, the outer wall of limit block 5 is fixed with rack 6, and the caliper on the surface of rack 6 is meshed with first gear 3, the outside top of rack 6 is provided with fixing piece, and fixing piece is used to fix PCB board, the bottom of first gear 3 is fixed with second gear 10 by rotating rod, second gear 10 can drive first gear 3 to rotate by rotating rod, the bottom of platform 2 is provided with limit piece, the inside of platform 2 is provided with through hole, and first gear 3 is connected with second gear 10 by rotating rod and extends to the bottom of platform 2.
[0024] Fixing piece includes support block 7, support block 7 is fixed in the side of rack 6 away from first gear 3, support block is used to provide support to clamping plate 9, the top of support block 7 is fixed with connecting rod 8, and connecting rod 8 is used to connect between support block 7 and clamping plate 9, the top of connecting rod 8 is fixed with clamping plate 9, and clamping plate 9 is used to clamp and fix PCB board, the inside of clamping plate 9 forms recess, and anti-skid pad is processed on the inner wall of recess.
[0025] Limit piece includes sleeve pipe 11, sleeve pipe 11 is fixed at the bottom of platform 2, sleeve pipe 11 is used to provide support to push rod 12, push rod 12 is slidably connected in the inside of sleeve pipe 11, push rod 12 can be clamped to second gear 10 when moving left and right, one side of push rod 12 is fixed with clamping plate 13, the outer wall of sleeve pipe 11 is provided with fixing piece 14, and fixing piece 14 is used to provide and fix push rod 12, the shape of clamping plate 13 is semicircular, and convex block is processed on the inner wall of clamping plate 13 for clamping and limiting second gear 10, threaded hole is provided on the surface of sleeve pipe 11 and penetrates, and fixing piece 14 is extruded fixed to push rod 12 by penetrating threaded hole.
[0026] Working principle: a PCB mechanical back drilling hole processing device starts to use, the user first puts the PCB board between the clamp plate 9, and then rotates the second gear 10, the second gear 10 rotates through the rotating rod to drive the first gear 3 to rotate at the same time, when the first gear 3 rotates through the rack 6 meshing, the first gear 3 rotates in the process of driving the rack 6 to move inward, in the process of moving, the rack 6 drives the support block 7 to move at the same time, in the process of moving, the rack 6 drives the limiting block 5 to move in the inside of the limiting slot plate 4 to limit the work, when the support block 7 moves inward, through the connecting rod 8 to drive the clamp plate 9 to move at the same time through the recess on the inside of the clamp plate 9 to hold the PCB board fixed, after fixing, the user pushes the push rod 12 outward, through the push rod 12 to move in the inside of the sleeve 11 to insert the convex block on the inner wall of the card plate 13 between the calipers of the second gear 10 to fix the second gear 10, after fixing, rotate the fixing piece 14 and insert it into the inside of the sleeve 11, through the fixing piece 14 to penetrate the sleeve 11 to extrude and fix the push rod 12, and then through the drilling machine 1 to punch the surface of the PCB board.
Claims
1. A processing device of PCB mechanical back-drilling anti-soldering plug hole, comprising a platform (2), characterized in that, The inside of the platform (2) forms a cavity, and the inside of the cavity is rotationally connected with a first gear (3), both sides of the inside cavity of the platform (2) are fixed with a limiting groove plate (4), the inside of the limiting groove plate (4) is provided with a limiting groove, and the inside of the limiting groove is slidably connected with a limiting block (5), the outer wall of the limiting block (5) is fixed with a rack (6), and the surface of the rack (6) is connected with the first gear (3) in engagement, the outer side top end of the rack (6) is provided with a fixing piece, the bottom end of the first gear (3) is fixed with a second gear (10) through a rotating rod, and the bottom end of the platform (2) is provided with a limiting piece.
2. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 1, wherein, The inside of the platform (2) is provided with a through hole, and the first gear (3) extends to the bottom end of the platform (2) through a rotating rod and is connected with the second gear (10).
3. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 1, wherein, The fixing piece comprises a supporting block (7), the supporting block (7) is fixed on the side of the rack (6) away from the first gear (3), the top end of the supporting block (7) is fixed with a connecting rod (8), and the top end of the connecting rod (8) is fixed with a clamping plate (9).
4. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 3, wherein, The inside of the clamping plate (9) forms a groove, and the inner wall of the groove is processed with an anti-skid pad.
5. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 1, wherein, The limiting piece comprises a sleeve (11), the sleeve (11) is fixed at the bottom end of the platform (2), the inside of the sleeve (11) is slidably connected with a push rod (12), one side of the push rod (12) is fixed with a clamping plate (13), and the outer wall of the sleeve (11) is provided with a fixing piece (14).
6. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 5, wherein, The shape of the clamping plate (13) is semicircular, and the inner wall of the clamping plate (13) is processed with a protruding block for clamping and limiting the second gear (10).
7. The PCB mechanical back-drilling anti-solder stop via processing apparatus of claim 5, wherein, The surface of the sleeve (11) is provided with a through threaded hole, and the fixing piece (14) extrudes and fixes the push rod (12) through the through threaded hole.