Small numerical control corner cleaning equipment

By using V-shaped tooling and a propulsion assembly to drive the spindle motor, a small CNC corner clearing machine is able to quickly and accurately process 90-degree right angles. This solves the problem of difficult corner processing in small spaces in existing equipment, improves production efficiency, and protects the appearance of the product.

CN223776157UActive Publication Date: 2026-01-09JIANGSU ZHONGMEI ALUMINUM CO LTD
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Patent Information

Application Number
CN202520324028.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-09
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Existing small CNC corner clearing equipment cannot effectively process 90-degree corners in small spaces, the processing effect is not significant and may damage the product appearance, thus failing to meet market demand.

Method used

The spindle motor is driven by V-shaped tooling and a propulsion assembly, with longitudinal and transverse motors. The spindle speed is controlled by a spindle encoder, enabling the tool to quickly clean the corners inside the workpiece, forming a 90-degree right angle. Combined with atomized gas lubrication, it prevents the tool from sticking.

Benefits of technology

It enables rapid and precise processing of 90-degree right angles, improves production efficiency, reduces costs, avoids damage to product appearance, and is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a small numerical control corner cleaning device which comprises a working platform, a V-shaped tool, a propelling assembly and a main shaft tool assembly, the V-shaped tool is arranged on one side of the upper portion of the working platform, the propelling assembly is arranged on the other side of the upper portion of the working platform, the main shaft tool assembly is installed on the upper portion of the propelling assembly in a driving mode, and a thin air cylinder is arranged on the side, away from the propelling assembly, of the V-shaped tool. A workpiece is placed on the V-shaped tool, due to the fact that the thin air cylinder pushes the workpiece to be clamped and installed on the V-shaped tool, the main shaft tool assembly comprises a sliding base, a supporting frame and a longitudinal motor, the overall structure is simple and effective, the reliability is good, the cost is low, and the efficiency is multiplied. When the equipment works, the spindle motor clamps the mounting tool to drive the mounting tool to rotate, the mounting tool extends into a corner inside a workpiece to clean an R angle generated after bending, the corner is made to be a 90-degree right angle, and the mounting tool can be conveniently assembled and matched with other parts.
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Description

Technical Field

[0001] This utility model relates to the field of CNC corner clearing equipment technology, specifically to a small CNC corner clearing equipment. Background Technology

[0002] This small CNC corner clearing machine uses PLC programming to drive a servo motor and spindle to process parts. It mainly consists of a PLC board, servo motor, lead screw guide rail, encoder, and electric spindle. Its working principle is to use PLC instructions to drive the servo motor and electric spindle to hold the cutting tool and process the internal corners of the parts.

[0003] Existing equipment is currently unable to process 90-degree corners in small spaces, or the processing effect is not significant and has flaws, which cannot meet market requirements and will also damage the product appearance.

[0004] Therefore, a small CNC corner clearing device is needed. Utility Model Content

[0005] In view of the above-mentioned existing technologies, the initial processing uses a bullhead planer, which requires multiple cuts and manual clamping and tightening of screws, resulting in low efficiency. To address the problems of existing products, this equipment can process 90-degree inner corners faster, more accurately, and without damaging the product's appearance. It can perfectly process the corners, improve production efficiency, reduce costs, and enable mass production applications.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A small CNC corner clearing device includes a work platform, a V-shaped fixture, a propulsion assembly, and a spindle fixture assembly. The upper part of the work platform has a V-shaped fixture on one side and a propulsion assembly on the other. The spindle fixture assembly is driven and mounted on the upper part of the propulsion assembly. A thin-walled cylinder is positioned on the side of the V-shaped fixture away from the propulsion assembly. A workpiece is placed on the V-shaped fixture, and the workpiece is clamped and mounted on the V-shaped fixture by the propulsion of the thin-walled cylinder. The spindle fixture assembly includes a sliding base, a support frame, and a longitudinal motor. The sliding base is slidably mounted on the propulsion assembly. The upper part of the sliding base is fixedly mounted with a support frame by a rib plate. A longitudinal motor is set on the top of the support frame. A fixed frame is slidably mounted on the side of the support frame facing the V-shaped tooling. A spindle motor is set on the side of the fixed frame away from the support frame. A cutting tool is clamped and mounted at the bottom output end of the spindle motor. A lead screw is set at the output end of the longitudinal motor. The lead screw is installed along the longitudinal direction of the support frame and is rotatably mounted with the support frame. The fixed frame is slidably mounted with the lead screw. The longitudinal motor drives the lead screw, causing the fixed frame to slide up and down, thereby driving the spindle motor to slide up and down to clean the workpiece at a 90-degree right angle in a straight line.

[0007] Preferably, the propulsion assembly includes a propulsion base, a transverse motor, and a second lead screw. The transverse motor is located on the side of the propulsion base away from the V-shaped tooling. The output shaft of the transverse motor is fixedly mounted with the second lead screw. The second lead screw is rotatably mounted on the length direction of the propulsion base, and a sliding base is slidably mounted on the second lead screw.

[0008] Preferably, the support frame has symmetrical sliding grooves on both longitudinal sides, and the sliding grooves are slidably installed with the fixed frame.

[0009] Preferably, the V-shaped fixture includes a base plate fixedly installed with the work platform. The upper part of the base plate is symmetrically provided with inclined bases. The two inclined bases form a V-shaped table. A baffle is provided on the side of the V-shaped table away from the thin cylinder. The baffle cooperates with the thin cylinder to clamp the workpiece.

[0010] Preferably, a power distribution control box is provided on the working platform, and a spindle encoder is provided on one side of the support frame. The spindle encoder is electrically connected to the power distribution control box and the longitudinal motor respectively.

[0011] Preferably, an oil reservoir is provided on one side of the work platform, and the oil reservoir blows atomized gas through the oil spray pipe to lubricate and protect the cutting tools.

[0012] Preferably, the axis of the second lead screw is spatially perpendicular to the axis of the first lead screw.

[0013] In summary, this utility model provides a small CNC corner clearing device. This patented utility model achieves a simple and effective overall structure, high reliability, low cost, and significantly improved efficiency. When the device is working, the spindle motor clamps and installs the tool, driving its rotation. The spindle encoder controls the rotation speed, and the linear movement is controlled by the guide rail. It extends into the inner corner of the workpiece to clear the R-angle generated after bending, making the corner a 90-degree right angle, facilitating assembly and cooperation with other components. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the small CNC corner clearing device of this utility model;

[0015] Figure 2 This is a schematic diagram of the propulsion component and spindle tooling component of this utility model;

[0016] Figure 3 This is a schematic diagram of the slide, V-shaped tooling, oil reservoir, and power distribution control box of this utility model.

[0017] In the diagram: 1. Working platform; 2. V-shaped fixture; 3. Propulsion assembly; 4. Spindle fixture assembly; 5. Thin cylinder; 6. Sliding base; 7. Support frame; 11. Longitudinal motor; 12. Fixture 1; 13. Spindle motor; 14. Lead screw 1; 15. Propulsion base; 16. Transverse motor; 17. Lead screw 2; 21. Slide groove; 22. Base plate 1; 23. Inclined base; 24. Baffle; 25. Spindle encoder; 26. Oil reservoir; 27. Power distribution control box. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] like Figures 1 to 3 As shown:

[0020] This utility model relates to a small CNC corner clearing device, comprising a work platform 1, a V-shaped fixture 2, a propulsion assembly 3, and a spindle fixture assembly 4. The upper part of the work platform 1 has the V-shaped fixture 2 on one side and the propulsion assembly 3 on the other side. The spindle fixture assembly 4 is driven and mounted on the upper part of the propulsion assembly 3. A thin cylinder 5 is mounted on the side of the V-shaped fixture 2 away from the propulsion assembly 3. A workpiece is placed on the V-shaped fixture 2, and the thin cylinder 5 propels and clamps the workpiece onto the V-shaped fixture 2. The spindle fixture assembly 4 includes a sliding base 6, a support frame 7, and a longitudinal motor 11. The sliding base 6 is slidably mounted on the propulsion assembly 3, and the upper part of the sliding base 6 is fixed by ribs. A support frame 7 is installed, with a longitudinal motor 11 at its top. A fixed frame 12 is slidably installed on the side of the support frame 7 facing the V-shaped tooling 2. A spindle motor 13 is installed on the side of the fixed frame 12 away from the support frame 7. A cutting tool is clamped and installed at the bottom output end of the spindle motor 13. A lead screw 14 is installed at the output end of the longitudinal motor 11. The lead screw 14 is installed along the longitudinal direction of the support frame 7 and is rotatably installed with the support frame 7. The fixed frame 12 is slidably installed with the lead screw 14. The longitudinal motor 11 drives the lead screw 14, causing the fixed frame 12 to slide up and down, thereby driving the spindle motor 13 to slide up and down to clean the workpiece at a 90-degree right angle in a straight line.

[0021] To address the problems of existing technologies, such as the inability to process 90-degree corners in small spaces, insignificant processing effects, and inability to meet market product appearance requirements, this utility model patent adopts the following technical approach: A V-shaped fixture 2 is set on the work platform 1, and a workpiece is placed on the upper part of the V-shaped fixture 2. The workpiece is clamped by the cooperation of the V-shaped fixture 2 and the thin cylinder 5. The sliding base 6 is driven by the push assembly 3 and slides towards the workpiece. At the same time, the longitudinal motor 11 drives the lead screw 14 to rotate, thereby driving the fixed frame 12 and the main spindle motor 13 to adjust their height. The push assembly 3 drives the tool mounted on the main spindle motor 13 to move to the vicinity of the workpiece. The main spindle encoder 25 controls the speed of the main spindle motor 13. The main spindle motor 13 rotates the tool to extend into the corner inside the workpiece to clean the R-angle generated after bending, making the corner a 90-degree right angle, which facilitates the conversion and cooperation with other parts.

[0022] In at least one embodiment, in order to achieve linear motion of the spindle tooling assembly 4 on the guide rail of the propulsion assembly 3 (Y-axis), the propulsion assembly 3 includes a propulsion base 15, a transverse motor 16, and a lead screw 17. The transverse motor 16 is provided on the side of the propulsion base 15 away from the V-shaped tooling 2. The output shaft of the transverse motor 16 is fixedly provided with the lead screw 17. The lead screw 17 is rotatably installed in the length direction of the propulsion base 15, and a sliding base 6 is slidably installed on the lead screw 17.

[0023] Specifically: the horizontal motor 16 drives the lead screw 17 to rotate, thereby driving the sliding base 6 to slide back and forth on the Y-axis. The vertical motor 11 drives the lead screw 14 to rotate, thereby driving the fixed frame 12 and the spindle motor 13 to slide back and forth in the Z-axis direction, so that the spindle motor 13 can hold the tool and move linearly in the Y-axis and adjust up and down in the Z-axis direction. When the tool is clearing a 90-degree right angle: the lead screw 14 and lead screw 17 are driven at the same time, so that the tool is quickly positioned at the inner corner of the workpiece. The output shaft of the spindle motor 13 holds the tool and rotates forward at high speed to clear a 90-degree right angle in a straight line. Then the tool is quickly retracted, forming in one step without multiple processing.

[0024] In at least one embodiment, in order to achieve stable use of the tool, symmetrical grooves 21 are provided on both longitudinal sides of the support frame 7. The grooves 21 are slidably installed with the fixed frame 12 to achieve stable support for the spindle motor 13 and to enable the tool to be used stably to clean out a 90-degree right angle.

[0025] In at least one embodiment, in order to achieve the use of the angle cleaning method for limiting the workpiece, the V-shaped tooling 2 includes a base plate 22 fixedly installed with the work platform 1. The upper part of the base plate 22 is symmetrically provided with inclined bases 23. The two inclined bases 23 form a V-shaped platform. A baffle 24 is provided on the side of the V-shaped platform away from the thin cylinder 5. The baffle 24 cooperates with the thin cylinder 5 to clamp the workpiece.

[0026] In at least one embodiment, a power distribution control box 27 is provided on the work platform 1. The power distribution control box 27 is preferably a PLC power distribution control box with the model number VFD007E21A. A spindle encoder 25 is provided on one side of the support frame 7. The longitudinal motor 11 and the transverse motor 16 are electrically connected by the power distribution control box 27. The spindle encoder 25 is electrically connected to the power distribution control box 27 and the longitudinal motor 11 respectively. The spindle encoder 25 controls the speed of the spindle motor 13, so that the tool moves forward at high speed and moves in a straight line to clean out a 90-degree right angle.

[0027] In at least one embodiment, an oil reservoir 26 is provided on one side of the work platform 1. The oil reservoir 26 blows atomized gas through an oil spray pipe to lubricate and protect the cutting tool, preventing it from sticking or overheating.

[0028] In at least one embodiment, in order to simultaneously drive lead screw 14 and lead screw 2 17 so that the tool can be quickly positioned at the inner corner of the workpiece, the structure is as follows: the axis of lead screw 2 17 is spatially perpendicular to the axis of lead screw 14, so that the R angle generated after cleaning the inner corner of the workpiece after bending is made to make the corner present a 90-degree right angle.

[0029] The embodiments described in this utility model are for illustrative purposes only and do not constitute a limitation on the scope of the claims. Other substantially equivalent substitutions that can be conceived by those skilled in the art are all within the protection scope of this utility model.

Claims

1. A small CNC corner clearing device, characterized in that, The assembly includes a work platform (1), a V-shaped fixture (2), a propulsion assembly (3), and a spindle fixture assembly (4). The upper part of the work platform (1) is equipped with a V-shaped fixture (2) on one side and a propulsion assembly (3) on the other side. The upper part of the propulsion assembly (3) is driven and installed with the spindle fixture assembly (4). The side of the V-shaped fixture (2) away from the propulsion assembly (3) is equipped with a thin cylinder (5). The workpiece is placed on the V-shaped fixture (2), and the workpiece is clamped on the V-shaped fixture (2) by the propulsion of the thin cylinder (5). The spindle fixture assembly (4) includes a sliding base (6), a support frame (7), and a longitudinal motor (11). The sliding base (6) is slidably installed on the propulsion assembly (3), and the upper part of the sliding base (6) is fixedly installed with the support frame (7) by a rib. A longitudinal motor (11) is installed on the top of the support frame (7). A fixed frame (12) is slidably installed on the side of the support frame (7) facing the V-shaped tool (2). A spindle motor (13) is installed on the side of the fixed frame (12) away from the support frame (7). A cutting tool is clamped and installed at the bottom output end of the spindle motor (13). A lead screw (14) is installed at the output end of the longitudinal motor (11). The lead screw (14) is installed along the longitudinal direction of the support frame (7) and rotates with the support frame (7). The fixed frame (12) and the lead screw (14) are slidably installed. The longitudinal motor (11) drives the lead screw (14) to make the fixed frame (12) slide up and down, so as to drive the spindle motor (13) to slide up and down to clean the workpiece straight out at a 90-degree right angle.

2. The small CNC corner clearing device according to claim 1, characterized in that, The propulsion assembly (3) includes a propulsion base (15), a transverse motor (16), and a second lead screw (17). The transverse motor (16) is located on the side of the propulsion base (15) away from the V-shaped tooling (2). The output shaft of the transverse motor (16) is fixedly provided with the second lead screw (17). The second lead screw (17) is rotatably mounted on the length direction of the propulsion base (15). A sliding base (6) is slidably mounted on the second lead screw (17).

3. The small CNC corner clearing device according to claim 1, characterized in that, The support frame (7) has symmetrically provided sliding grooves (21) on both longitudinal sides, and the sliding grooves (21) are slidably installed with the fixed frame (12).

4. A small CNC corner clearing device according to claim 1, characterized in that, The V-shaped fixture (2) includes a base plate (22) fixedly installed with the work platform (1). The upper part of the base plate (22) is symmetrically provided with inclined bases (23). The two inclined bases (23) form a V-shaped table. A baffle (24) is provided on the side of the V-shaped table away from the thin cylinder (5). The baffle (24) cooperates with the thin cylinder (5) to clamp the workpiece.

5. A small CNC corner clearing device according to claim 1, characterized in that, A power distribution control box (27) is installed on the work platform (1), and a spindle encoder (25) is installed on one side of the support frame (7). The spindle encoder (25) is electrically connected to the power distribution control box (27) and the longitudinal motor (11).

6. A small CNC corner clearing device according to claim 1, characterized in that, An oil reservoir (26) is provided on one side of the work platform (1). The oil reservoir (26) blows out atomized gas through the oil spray pipe to lubricate and protect the cutting tool.

7. A small CNC corner clearing device according to claim 2, characterized in that, The axis of the second lead screw (17) is spatially perpendicular to the axis of the first lead screw (14).