Automatic tool changing device for numerical control machining of metal parts

By using a motor-driven gear transmission system to drive a brush roller to clean the cutting tools, the problem of residual chips and impurities on the cutting tools is solved, which improves machining accuracy and tool life, and reduces production costs.

CN223557963UActive Publication Date: 2025-11-18SUZHOU ZHUOKESHENG INTELLIGENT MFG CO LTD
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Patent Information

Application Number
CN202423210412.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-18
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing automatic tool changers for CNC machining of metal parts leave chips or impurities after tool use, resulting in decreased machining accuracy and shortened tool life.

Method used

A gear transmission system driven by an electric motor drives a brush roller to move in a circular motion around the cutting edge of the tool, achieving comprehensive cleaning of the tool.

Benefits of technology

The efficient cleaning of the brush roller reduces friction and resistance during the cutting process, improves machining quality and tool life, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automatic tool changing device for numerical control machining of metal parts, which relates to the technical field of numerical control machining equipment and comprises a tool changing mechanism, a cleaning mechanism is mounted at the bottom of the tool changing mechanism and comprises a mounting frame, a first bearing is fixedly inserted into the inner surface wall of the mounting frame, and a rotating rod is fixedly inserted into the first bearing. According to the utility model, under the mutual cooperation of the tool changing mechanism and the cleaning mechanism, the comprehensive cleaning of the used tool is realized, and any cuttings or other impurities are not remained on the surface of the tool when the tool is put into use again through the close contact and efficient brushing of the brush roller and the surface of the tool; and friction and resistance in the cutting process can be reduced through the cleaned surface, so that the cutting efficiency and the machining quality are improved, the service life of the cutter can be remarkably prolonged through regular cleaning and maintenance, and the production cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing equipment technical field especially relates to a numerical control processing metal spare part automatic tool changer. BACKGROUND

[0002] Numerical control processing metal spare part is an advanced manufacturing process, it utilizes computer digital control technology, through prewritten program instruction, accurate control lathe tool carries out cutting, drilling, milling etc.

[0003] Numerical control processing metal spare part is an advanced manufacturing process, it utilizes computer digital control technology, through prewritten program instruction, accurate control lathe tool carries out cutting, drilling, milling etc.

[0004] But the existing numerical control processing metal spare part automatic tool changer has the following shortcomings:

[0005] In the prior art, the metal spare part processing automatic tool changer stores the used tool on the tool holder, however, due to the cutting operation of the tool in the processing process, some cutting chips or impurities are left, which increases the friction and resistance in the cutting process when the tool is used next time, resulting in problems such as reduced processing accuracy and shortened tool service life.

[0006] Therefore, we propose a numerical control processing metal spare part automatic tool changer to solve the above problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a numerical control processing metal spare part automatic tool changer, which utilizes the driving of the motor and the transmission of the gear set to drive the high-speed rotating brush roller to perform circumferential motion around the cutting edge end of the tool, so as to solve the problems in the above background technology.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme: a numerical control processing metal spare part automatic tool changer, comprising a tool changing mechanism, a cleaning mechanism is installed at the bottom of the tool changing mechanism;

[0009] The cleaning mechanism includes a mounting frame, a first bearing is fixedly arranged in the inner wall of the mounting frame, a rotating rod is fixedly arranged in the first bearing, a first gear is fixedly arranged on the outer wall of the rotating rod, a second gear is movably connected with the outer wall of the first gear, a second motor is fixedly arranged in the inner wall of the second gear, a rotating disc is fixedly arranged on the outer wall of the rotating rod, a cleaning frame is fixedly connected to the top of the rotating disc, two second bearings are fixedly arranged in the inner wall of the cleaning frame, a brush roller is fixedly arranged between the interiors of the two second bearings, a third motor is fixedly connected to one side of the outer wall of the brush roller, and the bottom of the third motor is fixedly connected to one side of the outer wall of the cleaning frame.

[0010] Preferably, two first sliding grooves are formed in the inner wall of the mounting frame, a moving plate is slidably arranged between the inner walls of the two first sliding grooves, a second sliding groove is formed in one side of the outer wall of the moving plate, two sliding blocks are slidably arranged in the inner wall of the second sliding groove, and arc-shaped clamping plates are fixedly connected to one side of the outer wall of the two sliding blocks.

[0011] Preferably, a bidirectional screw rod is threadedly connected between the inner walls of the two sliding blocks, a fourth motor is fixedly connected to one side of the outer wall of the bidirectional screw rod, two fourth bearings are fixedly arranged on the outer wall of the bidirectional screw rod, and the two fourth bearings are fixedly arranged in the interior of the moving plate.

[0012] Preferably, the tool changing mechanism includes a machine tool body, a fixed frame is fixedly arranged on one side of the outer wall of the machine tool body, and two sliding rails are fixedly arranged on one side of the outer wall of the fixed frame.

[0013] Preferably, a sliding plate is movably arranged between the outer walls of the two sliding rails, a cylinder is fixedly connected to one side of the outer wall of the sliding plate, and a first motor is fixedly arranged on one side of the outer wall of the sliding plate.

[0014] Preferably, the output end of the first motor is fixedly connected with a tool changing disc, a group of placing clamps are fixedly arranged on the outer wall of the tool changing disc, and tools are placed in the inner walls of the placing clamps.

[0015] Preferably, the bottom of the fixed frame is fixedly connected with the top of the mounting frame.

[0016] Compared with the prior art, the tool changing mechanism has the advantages and positive effects that,

[0017] 1. In the utility model, through the cooperation of the tool changing mechanism and the cleaning mechanism, the motor is driven and combined with gear set transmission, can drive the high-speed rotating brush roller to make circumferential motion around the cutting edge end of the tool, realize the overall cleaning of the used tool through this mode, through the close contact and efficient brushing of the brush roller and the tool surface, ensure that the tool surface does not remain any chips or other impurities when it is put into use again, and the cleaned surface can reduce the friction and resistance in the cutting process, thereby improving the cutting efficiency and processing quality, and regular cleaning and maintenance can also significantly prolong the service life of the tool and reduce the production cost.

[0018] 2. In the utility model, through the cooperation of the tool changing mechanism and the cleaning mechanism, the motor is driven and combined with gear set transmission, can make two clamping plates clamp the used tool, ensure that the tool remains stable during the subsequent cleaning process, thereby effectively improving the cleaning efficiency and cleaning quality. ACCURACY OF DRAWINGS

[0019] Figure 1 A front view structural perspective view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model;

[0020] Figure 2 A tool changing mechanism perspective view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model;

[0021] Figure 3 A tool changing mechanism partial structure perspective split view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model;

[0022] Figure 4 A cleaning mechanism perspective view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model;

[0023] Figure 5 A cleaning mechanism partial structure perspective split view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model;

[0024] Figure 6 A cleaning mechanism partial structure perspective split view of the automatic tool changing device for numerical control machining metal parts is provided for the utility model.

[0025] Legend: 1. Tool changing mechanism; 101. Machine tool body; 102. Fixing frame; 103. Slide rail; 104. Slide plate; 105. Cylinder; 106. First motor; 107. Tool changing disc; 108. Placement clamp; 109. Tool; 2. Cleaning mechanism; 201. Mounting frame; 202. First bearing; 203. Rotating rod; 204. First gear; 205. Second gear; 206. Second motor; 207. Rotating disc; 208. Cleaning frame; 209. Second bearing; 210. Brush roller; 211. Third motor; 212. First slide groove; 213. Moving plate; 214. Second slide groove; 215. Slider; 216. Arc-shaped clamp; 217. Bidirectional lead screw; 218. Fourth motor; 219. Fourth bearing; 220. Electric push rod. Detailed Implementation

[0026] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0028] Example 1, as shown in the attached document Figure 1 -Appendix Figure 6 As shown, this utility model provides a technical solution: an automatic tool changer for CNC machining of metal parts, including a tool changer 1, and a cleaning mechanism 2 installed at the bottom of the tool changer 1;

[0029] The cleaning mechanism 2 includes a mounting frame 201. A first bearing 202 is fixedly inserted into the inner wall of the mounting frame 201. A rotating rod 203 is fixedly inserted into the inside of the first bearing 202. A first gear 204 is fixedly sleeved on the outer wall of the rotating rod 203. A second gear 205 is meshed with the outer wall of the first gear 204. A second motor 206 is fixedly inserted into the inner wall of the second gear 205. A rotating disk 207 is fixedly sleeved on the outer wall of the rotating rod 203. A cleaning frame 208 is fixedly connected to the top of the rotating disk 207. Two second bearings 209 are fixedly inserted into the inner wall of the cleaning frame 208. A brush roller 210 is fixedly inserted between the interiors of the two second bearings 209. A third motor 211 is fixedly connected to one side of the outer wall of the brush roller 210, and the bottom of the third motor 211 is fixedly connected to one side of the outer wall of the cleaning frame 208.

[0030] The effect achieved by the whole embodiment 1 is that: first, the used tool 109 is moved to the central position of the rotating disc 207 by the tool changing assembly, then the used tool 109 is fixed by the clamping assembly, then the second motor 206 is started, the output end of the second motor 206 drives the second gear 205 to rotate, the gear set is driven to make the rotating rod 203 drive the rotating disc 207 to rotate, and the third motor 211 is started, the output end of the third motor 211 drives the brush roller 210 to rotate at high speed, the rotating action of the brush roller 210 effectively removes the chips and other impurities on the surface of the tool 109, and the rotation of the rotating disc 207 makes the brush roller 210 rotate around the tool 109, thereby ensuring the cleanliness and sharpness of the tool 109, so that the tool 109 can still maintain good cutting performance when used next time, thereby significantly improving the service life of the tool 109.

[0031] Embodiment 2, as shown in Figures 2-6 The inner wall of the mounting frame 201 is provided with two first sliding grooves 212, the inner wall between the two first sliding grooves 212 is slidably embedded with a moving plate 213, the outer wall of the moving plate 213 is provided with a second sliding groove 214, the inner wall of the second sliding groove 214 is slidably embedded with two sliding blocks 215, the outer wall of each of the two sliding blocks 215 is fixedly connected with an arc-shaped clamping plate 216, the inner wall between the two sliding blocks 215 is threadedly connected with a bidirectional screw rod 217, the outer wall of the bidirectional screw rod 217 is fixedly connected with a fourth motor 218, the outer wall of the bidirectional screw rod 217 is fixedly sleeved with two fourth bearings 219, and the inner wall of the moving plate 213 is fixedly inserted with the two fourth bearings 219, the tool changing mechanism 1 comprises a machine tool body 101, the outer wall of the machine tool body 101 is fixedly provided with a fixed frame 102, the outer wall of the fixed frame 102 is fixedly provided with two sliding rails 103, the outer wall between the two sliding rails 103 is movably sleeved with a sliding plate 104, the outer wall of the sliding plate 104 is fixedly connected with an air cylinder 105, the outer wall of the sliding plate 104 is fixedly provided with a first motor 106, the output end of the first motor 106 is fixedly connected with a tool changing disc 107, the outer wall of the tool changing disc 107 is fixedly provided with a group of placing clamps 108, the inner wall of each of the group of placing clamps 108 is placed with a tool 109, and the bottom of the fixed frame 102 is fixedly connected with the top of the mounting frame 201.

[0032] The effect achieved by the whole embodiment 2 is that: when the tool changing process is finished, first, the first motor 106 drives the tool changing disc 107 to rotate, and the used tool 109 is rotated to the central position of the rotating disc 207, at this time, the electric push rod 220 is started, and the extension end pushes the moving plate 213 to move stably to the tool 109, until the main body part of the tool 109 is just placed between the two arc-shaped clamping plates 216, then the fourth motor 218 is started, and the output end drives the bidirectional screw rod 217 to rotate, and through the screw transmission mechanism, the two sliding blocks 215 move relative to each other, and in turn drive the two arc-shaped clamping plates 216 to tightly fit the tool 109, so as to realize the stable clamping of the tool 109, ensure that the tool 109 remains absolutely stable in the subsequent cleaning process, thereby effectively improving the cleaning efficiency and cleaning quality.

[0033] The working principle of the whole device is that: in use, first, the power supply of the device is connected with the external power supply, to ensure that the power consumption components inside the device are normally powered, when the tool changing process is finished, the extension end of the cylinder 105 drives the sliding plate 104 to move, so that the tool changing disc 107 and the rotating disc 207 are parallel in the horizontal direction, then the first motor 106 is started, and the output end drives the tool changing disc 107 to rotate, so that the used tool 109 is accurately rotated to the central position of the rotating disc 207, at this time, the electric push rod 220 is started, and the extension end pushes the moving plate 213 to move stably to the tool 109, until the main body part of the tool 109 is located between the two arc-shaped clamping plates 216, then the fourth motor 218 is started, and the output end drives the bidirectional screw rod 217 to rotate, because the outer wall of the bidirectional screw rod 217 is screwed with the two sliding blocks 215, and the screw directions on both sides of the bidirectional screw rod 217 are opposite, so the rotation of the bidirectional screw rod 217 will make the two sliding blocks 215 move relative to each other, and in turn drive the two arc-shaped clamping plates 216 to tightly fit the tool 109, so as to realize the stable clamping of the tool 109, at this time, the second motor 206 and the third motor 211 are started, the output end of the second motor 206 drives the second gear 205 to rotate, the second gear 205 drives the first gear 204 to rotate, and in turn drives the rotating rod 203 and the rotating disc 207 to rotate together, at the same time, the output end of the third motor 211 drives the brush roller 210 to rotate, the bristles of the brush roller 210 are in close contact with the surface of the tool 109, which can effectively clean the chips, oil stains and other impurities on the surface of the tool 109, through the rotation of the rotating disc 207, the rotating brush roller 210 can rotate around the axis of the tool 109 for omnidirectional and uniform brushing, so as to ensure that the surface of the tool 109 is thoroughly cleaned.

[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An automatic tool changer for CNC machining of metal parts, characterized in that: It includes a tool changing mechanism (1), and a cleaning mechanism (2) is installed at the bottom of the tool changing mechanism (1); The cleaning mechanism (2) includes a mounting bracket (201). A first bearing (202) is fixedly inserted into the inner wall of the mounting bracket (201). A rotating rod (203) is fixedly inserted into the inside of the first bearing (202). A first gear (204) is fixedly sleeved on the outer wall of the rotating rod (203). A second gear (205) is meshed with the outer wall of the first gear (204). A second motor (206) is fixedly inserted into the inner wall of the second gear (205). The rotating rod ( A rotating disk (207) is fixedly fitted on the outer wall of the 203. A cleaning rack (208) is fixedly connected to the top of the rotating disk (207). Two second bearings (209) are fixedly inserted into the inner wall of the cleaning rack (208). A brush roller (210) is fixedly inserted between the two second bearings (209). A third motor (211) is fixedly connected to one side of the outer wall of the brush roller (210), and the bottom of the third motor (211) is fixedly connected to one side of the outer wall of the cleaning rack (208).

2. The automatic tool changer for CNC machining of metal parts according to claim 1, characterized in that: The mounting bracket (201) has two first sliding grooves (212) on its inner surface wall. A movable plate (213) is slidably embedded between the inner surfaces of the two first sliding grooves (212). A second sliding groove (214) is provided on one side of the outer wall of the movable plate (213). Two sliders (215) are slidably embedded on the inner surface wall of the second sliding groove (214). An arc-shaped clamp (216) is fixedly connected to one side of the outer wall of each of the two sliders (215).

3. The automatic tool changer for CNC machining of metal parts according to claim 2, characterized in that: A bidirectional lead screw (217) is threaded between the inner walls of the two sliders (215). A fourth motor (218) is fixedly connected to one side of the outer wall of the bidirectional lead screw (217). Two fourth bearings (219) are fixedly sleeved on the outer wall of the bidirectional lead screw (217), and the outer walls of the two fourth bearings (219) are fixedly inserted into the interior of the moving plate (213).

4. The automatic tool changer for CNC machining of metal parts according to claim 3, characterized in that: The tool changing mechanism (1) includes a machine tool body (101), a fixed frame (102) is fixedly installed on one side of the outer wall of the machine tool body (101), and two slide rails (103) are fixedly installed on one side of the outer wall of the fixed frame (102).

5. The automatic tool changer for CNC machining of metal parts according to claim 4, characterized in that: A slide plate (104) is movably fitted between the outer walls of the two slide rails (103). A cylinder (105) is fixedly connected to one side of the outer wall of the slide plate (104), and a first motor (106) is fixedly installed on one side of the outer wall of the slide plate (104).

6. The automatic tool changer for CNC machining of metal parts according to claim 5, characterized in that: The output end of the first motor (106) is fixedly connected to a tool changer (107). A set of placement clamps (108) is fixedly installed on the outer wall of the tool changer (107), and a tool (109) is placed on the inner wall of each of the placement clamps (108).

7. An automatic tool changer for CNC machining of metal parts according to claim 6, characterized in that: The bottom of the fixing bracket (102) is fixedly connected to the top of the mounting bracket (201).