Anti-deviation punching mechanism for keyboard bottom plate machining

By using a motor-driven lead screw and moving block structure, combined with a lifting plate and spring-based limiting and fixing method, the problem of positional offset in the existing keyboard base plate punching device is solved, achieving high-precision punching and waste collection.

CN223948066UActive Publication Date: 2026-02-27SU ZHOU LING RUI DIAN ZI YOU XIAN GONG SI
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Patent Information

Application Number
CN202520518182.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-27
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The existing anti-offset punching device for keyboard base plate processing, which uses a sliding rod for fixing, is prone to positional displacement, affecting punching accuracy and production quality.

Method used

The system employs a motor-driven lead screw and moving block structure, combined with a lifting plate and spring-based limiting and fixing method, along with a waste disposal system consisting of a fan and dustproof net, to achieve stable clamping of the keyboard base plate and waste collection.

Benefits of technology

This improves the stability and precision of punching holes in the keyboard base plate, ensuring production quality, while also facilitating the collection and cleaning of waste materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of keyboard bottom plate processing, and discloses an anti-deviation punching mechanism for keyboard bottom plate processing, which comprises a base, and the top of the base is fixedly connected with a mounting table. The anti-deviation punching mechanism for keyboard bottom plate machining is provided with the motor, the lead screw, the moving blocks, the moving plate, the screw rod, the lifting plate, the spring and the lower pressing plate, the motor is started to drive the lead screw to rotate and drive the moving blocks to move at the same time, and due to the fact that the screwing directions of threads on the two sides of the lead screw are opposite, the two moving blocks move relatively; according to the keyboard bottom plate fixing device, the two movable plates move relatively, the distance between the movable plates is adjusted according to the sizes of different keyboard bottom plates, a screw rod is rotated by hand to drive a lifting plate to move downwards, the lifting plate drives a lower pressing plate to move downwards through a spring to fix the keyboard bottom plates, and the keyboard bottom plates can be effectively limited and fixed; and the stability when the keyboard bottom plate is punched is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard bottom plate processing technical field, concretely is a keyboard bottom plate processing is with anti -drifting punching mechanism. BACKGROUND

[0002] Keyboard bottom plate is the important component of keyboard, plays the key role in the whole keyboard structure and function realization, keyboard bottom plate usually is made of higher strength material such as plastic, metal etc., provides the firm support basis for the various parts of keyboard, it can firmly fix keycap, key switch, circuit board etc. Component in corresponding position, keeps the overall shape and structural stability of keyboard.

[0003] The punching on keyboard bottom plate is for accurate installation key switch, and different types of key switch, such as mechanical shaft body, membrane switch etc., need to be fixed on the bottom plate through the hole of specific size and layout.

[0004] The prior art publication CN215032774U patent document provides a keyboard bottom plate processing is with anti -drifting punching device, the punching device is provided with inductive slide bar, after the bottom plate to be punched is placed on the punching seat in the base, the bottom plate is extruded inductive slide bar through its own gravity, inductive slide bar drives trigger block to slide down through spring and finally contacts with contact block, when all contact blocks are triggered, the starting circuit of motor is connected to carry out punching operation, effectively prevent the punching position deviation from occurring in the punching process because the bottom plate is not placed in place.

[0005] The prior art above, although the punching device is provided with inductive slide bar effectively prevents the punching position deviation from occurring in the punching process because the bottom plate is not placed in place, but the punching mechanism in the patent technology only fixes keyboard bottom plate through slide bar, and the position deviation is prone to occur, in turn, leads to the punching precision of keyboard bottom plate reduces, influences the production quality of keyboard bottom plate, therefore, we need a keyboard bottom plate processing is with anti -drifting punching mechanism. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a keyboard bottom plate processing is with anti -drifting punching mechanism to solve the problem that the punching mechanism in the patent technology above background art only fixes keyboard bottom plate through slide bar, and the position deviation is prone to occur, in turn, leads to the punching precision of keyboard bottom plate reduces, influences the production quality of keyboard bottom plate.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A keyboard bottom plate processing is with preventing deviation punching mechanism, including base, the top of base is fixedly connected with installation platform, and the top of installation platform is provided with limiting assembly, the inside of base is installed with blanking assembly;

[0009] The limiting assembly includes a motor, the output end of the motor is detachably connected with a lead screw through a shaft coupling, and the outer surface of the lead screw is threadedly connected with a moving block, the top of the moving block is fixedly connected with a moving plate, the inside of the moving plate is installed with a screw rod, and the outer surface of the screw rod is threadedly connected with a lifting plate, the bottom of the lifting plate is installed with a spring, and one end of the spring is provided with a pressing plate.

[0010] The blanking assembly includes a connecting plate, a fixing groove is formed in one side of the connecting plate, and a fixing bolt is threadedly connected with the inner wall of the fixing groove, a fan is installed on one side of the connecting plate, and a mounting groove is formed in the front of the base, and a dust screen is clampedly connected with the inner wall of the mounting groove.

[0011] Preferably, the top of the base is fixedly connected with a fixing frame, and the top of the fixing frame is provided with a hydraulic cylinder, the bottom of the hydraulic cylinder is installed with a punching plate, and the bottom of the base is provided with a collecting box.

[0012] Preferably, the motor and the moving block form a clamping structure through the lead screw, and the external thread of the lead screw matches the internal thread of the moving block.

[0013] Preferably, the moving block and the lifting plate form a lifting structure through the screw rod, and the external thread of the screw rod matches the internal thread of the lifting plate.

[0014] Preferably, the lifting plate and the pressing plate form an elastic structure through the spring, and the spring is arranged between the lifting plate and the pressing plate.

[0015] Preferably, the connecting plate and the base form a fixed structure through the fixing bolt, and the external thread of the fixing bolt matches the internal thread of the fixing groove.

[0016] Preferably, the base and the dust screen form a clamping structure through the mounting groove, and the shape and size of the mounting groove match the shape and size of the dust screen.

[0017] Compared with the prior art, the keyboard bottom plate processing is with preventing deviation punching mechanism,

[0018] First, the utility model discloses a motor, screw rod, moving block, moving plate, screw rod, lifting plate, spring and down pressure plate are provided, and the motor can drive the screw rod to rotate and drive the moving block to move simultaneously, because the thread rotation direction of the both sides of screw rod is opposite, then make two moving blocks do relative movement, make two moving plates do relative movement, reached according to the size of different keyboard bottom plate and adjust the distance between moving plate, and hand rotating screw rod can drive lifting plate to move down, lifting plate drives down pressure plate to move down to keyboard bottom plate and is fixed, can effectively position the fixed keyboard bottom plate, improve the stability when punching the keyboard bottom plate.

[0019] Second, the utility model discloses a connecting plate, fixed groove, fixed bolt, fan, installation slot and dust screen are provided, and the connecting plate is installed on the one side of base through fixed bolt, and the waste material produced during punching is sucked to make the waste material move down through starting fan, and the waste material is intercepted through dust screen, and then the waste material will fall into the collecting box and be collected, so that the effect of easy to collect the waste material after the keyboard bottom plate is punched is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view structure schematic diagram of the utility model;

[0021] Figure 2 It is the front view structure schematic diagram of the utility model;

[0022] Figure 3 It is the moving plate and pressure plate structure schematic diagram of the utility model;

[0023] Figure 4 It is the connecting plate and fan structure schematic diagram of the utility model.

[0024] In the drawing: 1, base; 2, mounting table; 3, limit component; 301, motor; 302, screw rod; 303, moving block; 304, moving plate; 305, screw rod; 306, lifting plate; 307, spring; 308, down pressure plate; 4, fixed frame; 5, hydraulic cylinder; 6, punching plate; 7, collecting box; 8, discharging component; 801, connecting plate; 802, fixed groove; 803, fixed bolt; 804, fan; 805, installation slot; 806, dust screen. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and 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 the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a keyboard bottom plate processing anti-deviation punching mechanism, comprising a base 1, the top of the base 1 is fixedly connected with a mounting table 2, and the top of the mounting table 2 is provided with a limiting assembly 3, and the inside of the base 1 is provided with a blanking assembly 8;

[0027] The limiting assembly 3 comprises a motor 301, the output end of the motor 301 is detachably connected with a lead screw 302 through a shaft coupling, the outer surface of the lead screw 302 is threadedly connected with a moving block 303, the top of the moving block 303 is fixedly connected with a moving plate 304, the inside of the moving plate 304 is provided with a screw rod 305, the outer surface of the screw rod 305 is threadedly connected with a lifting plate 306, the bottom of the lifting plate 306 is provided with a spring 307, and one end of the spring 307 is provided with a pressing plate 308;

[0028] The blanking assembly 8 comprises a connecting plate 801, a fixed groove 802 is formed in one side of the connecting plate 801, the inner wall of the fixed groove 802 is threadedly connected with a fixed bolt 803, a fan 804 is mounted on one side of the connecting plate 801, the front of the base 1 is provided with a mounting groove 805, and the inner wall of the mounting groove 805 is clampedly connected with a dustproof net 806.

[0029] Through the above technical scheme, the motor 301 is started to drive the lead screw 302 to rotate and drive the moving block 303 to move, the thread rotation directions of the two sides of the lead screw 302 are opposite, thereby causing the two moving blocks 303 to move relatively, causing the two moving plates 304 to move relatively, achieving the adjustment of the distance between the moving plates 304 according to the size of different keyboard bottom plates, and rotating the screw rod 305 by hand can drive the lifting plate 306 to move downward, the lifting plate 306 drives the pressing plate 308 to move downward through the spring 307 to fix the keyboard bottom plate, which can effectively fix the keyboard bottom plate and improve the stability during punching of the keyboard bottom plate.

[0030] Specifically, the top of the base 1 is fixedly connected with a fixing frame 4, the top of the fixing frame 4 is provided with a hydraulic cylinder 5, the bottom of the hydraulic cylinder 5 is provided with a punching plate 6, and the bottom of the base 1 is provided with a collecting box 7.

[0031] Through the above technical scheme, the hydraulic cylinder 5 on the fixing frame 4 is started to drive the punching plate 6 to move downward, the punching block at the bottom of the punching plate 6 can punch the keyboard bottom plate, the waste punched out can fall into the collecting box 7 for collection, and the collecting box 7 can be pulled out for cleaning the waste.

[0032] Specifically, the motor 301 and the moving block 303 constitute a clamping structure through the screw rod 302, and the external thread of the screw rod 302 matches the internal thread of the moving block 303.

[0033] Through the above technical scheme, the motor 301 can drive the screw rod 302 to rotate and drive the moving block 303 to move at the same time. The threads on both sides of the screw rod 302 are opposite, and the two moving blocks 303 are symmetrically arranged on both sides of the screw rod 302, so that the two moving blocks 303 move relatively, and the distance between the two moving plates 304 can be adjusted to facilitate adjustment according to different sizes of the keyboard bottom plate.

[0034] Specifically, the moving block 303 and the lifting plate 306 constitute a lifting structure through the screw rod 305, and the external thread of the screw rod 305 matches the internal thread of the lifting plate 306.

[0035] Through the above technical scheme, the screw rod 305 can be rotated by hand to drive the lifting plate 306 to lift, achieving the effect that the lifting plate 306 lifts on one side of the moving plate 304.

[0036] Specifically, the lifting plate 306 and the pressing plate 308 constitute an elastic structure through the spring 307, and the spring 307 is arranged between the lifting plate 306 and the pressing plate 308.

[0037] Through the above technical scheme, the lifting plate 306 lifts and drives the pressing plate 308 to move synchronously through the spring 307. When the pressing plate 308 is downwardly pressed to fix the keyboard bottom plate, the spring 307 can buffer to prevent the keyboard bottom plate from deforming due to excessive pressure, achieving the effect of limiting and fixing the keyboard bottom plate.

[0038] Specifically, the connecting plate 801 and the base 1 constitute a fixed structure through the fixing bolt 803, and the external thread of the fixing bolt 803 matches the internal thread of the fixed groove 802.

[0039] Through the above technical scheme, the fixing bolt 803 is inserted into the fixed groove 802, so that the connecting plate 801 is installed on one side of the base 1, and then the fan 804 is installed on one side of the base 1 through the fixing bolt 803, so that the fan 804 can be started to make the punching on the installation table 2 have suction, and the waste after punching can be sucked into the base 1, achieving the effect of sucking the waste.

[0040] Specifically, the base 1 and the dust screen 806 constitute a clamping structure through the mounting groove 805, and the shape and size of the mounting groove 805 match the shape and size of the dust screen 806.

[0041] Through the technical scheme, the dust screen 806 can intercept the waste material sucked into the base 1, so that the waste material falls into the collecting box 7 for collection, and the dust screen 806 is convenient to install and dismount in the installation groove 805, and convenient to clean later.

[0042] Working principle: when the anti-deviation punching mechanism for keyboard bottom plate processing is used, first, the keyboard bottom plate is placed on the mounting table 2, the motor 301 is started, the screw rod 302 is driven to rotate by the motor 301, the moving block 303 is driven to move relatively by the screw rod 302, the moving plate 304 is driven to move relatively by the moving block 303, so that the moving plate 304 moves inward to clamp and fix the two sides of the keyboard bottom plate, then the screw rod 305 is rotated by hand, the lifting plate 306 is driven to move downward by the screw rod 305, the lower pressing plate 308 at the bottom of the spring 307 is driven to move downward by the lifting plate 306, so as to press and fix the top of the two sides of the keyboard bottom plate, the spring 307 can buffer the pressure under the action of the spring 307, then the hydraulic cylinder 5 is started, the punching plate 6 is pushed downward by the hydraulic cylinder 5 to punch and drill the keyboard bottom plate, the fan 804 is started to make the punching hole have suction to suck the waste material into the base 1, then the dust screen 806 intercepts the waste material, finally the waste material falls into the collecting box 7 for collection, so that the whole work is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits, and the appended claims and equivalents thereof are limited.

Claims

1. A deviation-preventing punching mechanism for keyboard chassis processing, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a mounting table (2), and the top of the mounting table (2) is provided with a limiting assembly (3), and the inside of the base (1) is provided with a blanking assembly (8); The limiting assembly (3) comprises a motor (301), the output end of the motor (301) is detachably connected with a lead screw (302) through a shaft coupling, and the outer surface of the lead screw (302) is threadedly connected with a moving block (303), the top of the moving block (303) is fixedly connected with a moving plate (304), the inside of the moving plate (304) is provided with a screw rod (305), and the outer surface of the screw rod (305) is threadedly connected with a lifting plate (306), the bottom of the lifting plate (306) is provided with a spring (307), and one end of the spring (307) is provided with a pressing plate (308); The blanking assembly (8) comprises a connecting plate (801), a fixed groove (802) is formed in one side of the connecting plate (801), and a fixed bolt (803) is threadedly connected with the inner wall of the fixed groove (802), a fan (804) is mounted on one side of the connecting plate (801), and a mounting groove (805) is formed in the front of the base (1), and a dust screen (806) is clamped and connected with the inner wall of the mounting groove (805).

2. The anti-deviation punching mechanism for processing keyboard backplane according to claim 1, characterized in that: The top of the base (1) is fixedly connected with a fixed frame (4), and the top of the fixed frame (4) is provided with a hydraulic cylinder (5), and the bottom of the hydraulic cylinder (5) is provided with a stamping plate (6), and the bottom of the base (1) is provided with a collecting box (7).

3. The anti-deviation punching mechanism for processing keyboard backplane according to claim 1, characterized in that: The motor (301) and the moving block (303) constitute a clamping structure through the lead screw (302), and the external thread of the lead screw (302) matches the internal thread of the moving block (303).

4. The anti-offset punching mechanism for processing keyboard plate according to claim 1, characterized in that: The moving block (303) and the lifting plate (306) constitute a lifting structure through the screw rod (305), and the external thread of the screw rod (305) matches the internal thread of the lifting plate (306).

5. The anti-offset punching mechanism for processing keyboard plate according to claim 1, characterized in that: The lifting plate (306) and the pressing plate (308) constitute an elastic structure through the spring (307), and the spring (307) is arranged between the lifting plate (306) and the pressing plate (308).

6. The anti-offset punching mechanism for processing keyboard plate according to claim 1, characterized in that: The connecting plate (801) and the base (1) constitute a fixed structure through the fixed bolt (803), and the external thread of the fixed bolt (803) matches the internal thread of the fixed groove (802).

7. The anti-offset punching mechanism for processing keyboard plate according to claim 1, characterized in that: The base (1) and the dust screen (806) constitute a clamping structure through the mounting groove (805), and the shape and size of the mounting groove (805) match the shape and size of the dust screen (806).