Automatic cutter replacing device of numerical control machine tool

By designing the automatic tool replacement device of CNC machine tool, the tool cleaning and maintenance are achieved, and the problem of residual debris and impurities in the tool affecting the life of the tool is solved, extending the tool service life and reducing the replacement frequency and cost.

CN223114697UActive Publication Date: 2025-07-18SHENZHEN SHUNYUAN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422357927.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-18
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

After the tool replacement of existing CNC machine tools, the residual debris and impurities on the tool affect the service life, increasing the wear frequency and production cost.

Method used

A CNC machine tool automatic tool replacement device is designed, including a moving rod, a filter plate and a robotic arm, to realize the cleaning and maintenance of the tool, to automatically replace the tool through the robotic arm, and to filter the cleaning liquid using the filter plate.

Benefits of technology

Effectively clean the debris and impurities on the tool, extend the service life of the tool, reduce the replacement frequency and cost, and improve replacement efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223114697U_ABST
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Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool cutter automatic replacing device which comprises a box body, a moving rod is arranged at the top end of the inner side of the box body, a connecting hose is arranged at the middle end of the rear side of the moving rod, and the left end of the moving rod is in threaded connection with a lead screw. The front end and the rear end of the lead screw are rotationally connected with the box body, and a transmission assembly is arranged at the front end of the lead screw. Sliding rails are arranged on the left side and the right side of the tool box, the sliding rails are fixedly connected with the box body, a tool groove is formed in the top side of the tool box, a filter plate is connected to the middle end of the inner wall of the tool box through bolts, and the filter plate is used for filtering cleaning liquid obtained after cleaning. According to the tool box, the tool body in the tool box can be cleaned and maintained by moving the moving rod, so that residual chippings and impurities on the tool body are cleaned away, and the service life of the tool body is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to an automatic tool changing device for a numerical control machine tool. Background Technique

[0002] A numerical control machine tool (hereinafter referred to as a CNC machine tool) is a machine tool that can control mechanical movement through a computer program. It can accurately machine parts because its movement is controlled by digital instructions. The automatic tool change system allows the machine tool to automatically change different tools when machining different workpieces without manual replacement, improving work efficiency.

[0003] After the existing tool is replaced, there are still chips or impurities remaining on the tool during processing. These chips and impurities staying on the tool for a long time will affect the service life of the tool, increase the wear of the tool, and increase the frequency of tool replacement, thereby increasing the production cost. In view of this technical problem, the present application proposes an automatic tool changing device for a numerical control machine tool. Content of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an automatic tool changing device for a numerical control machine tool. By realizing the movement of the moving rod, the tool body in the tool box can be cleaned and maintained, thereby cleaning the chips and impurities remaining on the tool body, effectively reducing the wear of the tool body, extending the service life of the tool body, and thus reducing the frequency and cost of replacing the tool body; by setting a filter plate, the cleaning water after cleaning the tool body can be filtered to prevent the chips and impurities on the tool body from mixing with the cleaning liquid, thereby facilitating the subsequent treatment of the cleaning liquid. By setting a robotic arm, the tool body in the tool box can be taken out to replace the tool body, improving the efficiency of replacing the tool body.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic tool changing device for a numerical control machine tool, comprising:

[0007] A box body, a moving rod is arranged at the inner top end of the box body, a connecting hose is arranged at the middle end of the rear side of the moving rod, the left end of the moving rod is threadedly connected with a lead screw, both the front and rear ends of the lead screw are rotationally connected with the box body, and a transmission component is arranged at the front end of the lead screw;

[0008] A tool box, slide rails are arranged on both the left and right sides of the tool box, the slide rails are fixedly connected with the box body, a tool slot is opened at the top side of the tool box, and a filter plate is bolted to the middle end of the inner wall of the tool box, and the filter plate is used for filtering the cleaning liquid after cleaning.

[0009] Further, the transmission assembly includes a driven bevel gear fixedly connected to the front end of the lead screw. A driving bevel gear is meshed and connected to the top side of the driven bevel gear. A motor is arranged on the top side of the driving bevel gear. The driving end of the motor is fixedly connected to the driving bevel gear, and the non-driving end of the motor is connected to the box body.

[0010] Further, a plurality of tool slots are formed in the top side of the tool box. A tool body is arranged in the tool slot, and a plurality of clamping blocks are arranged on the inner wall of the tool slot.

[0011] Further, the right end of the moving rod is slidably connected to a limiting rod, and both the front and rear ends of the limiting rod are fixedly connected to the box body.

[0012] Further, an electric telescopic rod is arranged at the middle of the rear side of the tool box. One end of the electric telescopic rod is connected to the tool box, and the other end of the electric telescopic rod is connected to the box body.

[0013] Further, a robotic arm body is arranged at the top side of the front end of the box body, and the robotic arm body is used for grasping the tool.

[0014] Further, support blocks are fixedly connected to the four corners of the bottom side of the box body.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by realizing the movement of the moving rod, the tool body in the tool box can be cleaned and maintained, so as to wash away the residual chips and impurities on the tool body, effectively reducing the wear of the tool body, prolonging the service life of the tool body, and thus reducing the frequency and cost of replacing the tool body.

[0017] 2. In the utility model, by arranging a filter plate, the cleaning water after cleaning the tool body can be filtered to prevent the chips and impurities on the tool body from mixing with the cleaning liquid, thus facilitating the subsequent treatment of the cleaning liquid. By arranging a robotic arm body, the tool body in the tool box can be taken out to replace the tool body, improving the efficiency of replacing the tool body. Description of the Drawings

[0018] Figure 1 is a perspective view of an automatic tool changing device for a numerical control machine tool proposed by the utility model;

[0019] Figure 2 is a structural schematic diagram of the box body of an automatic tool changing device for a numerical control machine tool proposed by the utility model;

[0020] Figure 3Schematic structural diagram of a tool magazine of an automatic tool changing device for a numerically controlled machine tool proposed by the present utility model.

[0021] Legend:

[0022] 1. Box body; 2. Tool magazine; 3. Manipulator body; 4. Motor; 5. Slide rail; 6. Connecting hose; 7. Lead screw; 8. Moving rod; 9. Limiting rod; 10. Driving bevel gear; 11. Driven bevel gear; 12. Electric telescopic rod; 13. Clamping block; 14. Tool body; 15. Filter plate. Specific implementation manner

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: An automatic tool changing device for a numerically controlled machine tool, comprising:

[0025] A box body 1, with a manipulator body 3 provided on the top side of the front end of the box body 1 for grasping the tool body 14. An inner top end of the box body 1 is provided with a moving rod 8, and a cavity is arranged inside the moving rod 8. The cavity is communicated with the connecting hose 6. A plurality of water spray nozzles are arranged on the bottom side of the moving rod 8. When the moving rod 8 moves, it can clean the tool body 14 located on the tool magazine 2. The right end of the moving rod 8 is slidably connected to a limiting rod 9, and the limiting rod 9 can limit the moving rod 8. Both the front and rear ends of the limiting rod 9 are fixedly connected to the box body 1. A connecting hose 6 is arranged in the middle of the rear side of the moving rod 8. One end of the connecting hose 6 is connected to the cavity inside the moving rod 8, and the other end of the connecting hose 6 is externally connected to a water source. The left end of the moving rod 8 is threadedly connected to a lead screw 7. By rotating the lead screw 7, the moving rod 8 can be driven to move, thereby increasing the working area of the water spray nozzles and improving the cleaning efficiency of the tool body 14. Both the front and rear ends of the lead screw 7 are rotatably connected to the box body 1. A driven bevel gear 11 is fixedly connected to the front end of the lead screw 7. A driving bevel gear 10 is meshed and connected to the top side of the driven bevel gear 11. A motor 4 is arranged on the top side of the driving bevel gear 10. The driving end of the motor 4 is fixedly connected to the driving bevel gear 10, and the non-driving end of the motor 4 is connected to the box body 1. By driving the driving bevel gear 10 to rotate by the motor 4, the driving bevel gear 10 drives the driven bevel gear 11 to rotate, and the driven bevel gear 11 drives the lead screw 7 to rotate. Support blocks are fixedly connected to the four corners of the bottom side of the box body 1. The inner bottom wall of the box body 1 is provided with a slope, and the slope is inclined to the left;

[0026] Reference Figure 2 and Figure 3 , wherein, an electric telescopic rod 12 is arranged at the middle end of the rear side of the tool box 2. One end of the electric telescopic rod 12 is connected to the tool box 2, and the other end of the electric telescopic rod 12 is connected to the box body 1. The tool box 2 located inside the box body 1 can be pushed out through the electric telescopic rod 12, so as to facilitate the robotic arm body 3 to take out the tool body 14, and then the tool body 14 can be replaced. A plurality of tool slots are opened on the top side of the tool box 2, and the tool body 14 is arranged in the tool slots. A plurality of clamping blocks 13 are arranged on the inner wall of the tool slots, and the clamping blocks 13 can limit the tool body 14. Slide rails 5 are arranged on both the left and right sides of the tool box 2, and the slide rails 5 are fixedly connected to the box body 1. The bottom side of the tool box 2 is hollow, so as to facilitate the sewage after cleaning the tool body 14 to flow to the bottom side of the box body 1. A tool slot is opened on the top side of the tool box 2, and a filter plate 15 is connected to the middle end of the inner wall of the tool box 2 through bolts. The filter plate 15 is used to filter the cleaning liquid after cleaning, so as to avoid the debris and impurities on the tool body 14 from mixing with the cleaning liquid, thus facilitating the subsequent treatment of the cleaning liquid.

[0027] Working principle: First, the electric telescopic rod 12 pushes out the tool box 2, then the robotic arm body 3 takes down the tool body 14 and places it on the tool box 2, and then the robotic arm body 3 takes out a new tool body 14 from the tool box 2 and installs it. After the replacement is completed, the tool box 2 can be pulled into the box body 1 through the electric telescopic rod 12. The motor 4 can drive the driving bevel gear 10 to rotate, the driving bevel gear 10 drives the driven bevel gear 11 engaged with it to rotate, the driven bevel gear 11 drives the lead screw 7 to rotate, so that the lead screw 7 drives the moving rod 8 to move, and further the water spray port at the bottom end of the moving rod 8 cleans the tool body 14 located on the tool box 2. The sewage after cleaning flows to the bottom side of the box body 1 after being filtered by the filter plate 15, and then flows out of the box body 1 to the outside.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic tool changing device for a numerical control machine tool, characterized in that, Including: A box body (1), at the inner top end of the box body (1) there is a moving rod (8), in the middle of the rear side of the moving rod (8) there is a connecting hose (6), at the left end of the moving rod (8) there is a screw rod (7) threadedly connected, both the front and rear ends of the screw rod (7) are rotatably connected to the box body (1), and at the front end of the screw rod (7) there is a transmission assembly; A tool box (2), on both the left and right sides of the tool box (2) there are slide rails (5), the slide rails (5) are fixedly connected to the box body (1), on the top side of the tool box (2) there is a tool slot, and in the middle of the inner wall of the tool box (2) there is a filter plate (15) connected by bolts, and the filter plate (15) is used for filtering the cleaning liquid after cleaning.

2. The automatic tool changing device for a CNC machine tool according to claim 1, characterized in that: The transmission assembly includes a driven bevel gear (11) fixedly connected to the front end of the screw rod (7), on the top side of the driven bevel gear (11) there is a driving bevel gear (10) meshed, on the top side of the driving bevel gear (10) there is a motor (4), the driving end of the motor (4) is fixedly connected to the driving bevel gear (10), and the non - driving end of the motor (4) is connected to the box body (1).

3. An automatic tool changing device for a numerical control machine tool according to claim 1, characterized in that: On the top side of the tool box (2) there are a plurality of tool slots, in the tool slots there are tool bodies (14), and on the inner wall of the tool slots there are a plurality of clamping blocks (13).

4. An automatic tool changing device for a numerically controlled machine tool according to claim 1, characterized in that: The right end of the moving rod (8) is slidably connected to a limiting rod (9), and both the front and rear ends of the limiting rod (9) are fixedly connected to the box body (1).

5. An automatic tool changing device for a numerical control machine tool according to claim 1, characterized in that: In the middle of the rear side of the tool box (2) there is an electric telescopic rod (12), one end of the electric telescopic rod (12) is connected to the tool box (2), and the other end of the electric telescopic rod (12) is connected to the box body (1).

6. The automatic tool changing device for a numerical control machine tool according to claim 1, wherein: On the front top side of the box body (1) there is a robotic arm body (3), and the robotic arm body (3) is used for grasping the tool.

7. An automatic tool changing device for a numerical control machine tool according to claim 1, characterized in that: At the four corners of the bottom side of the box body (1) there are support blocks fixedly connected.