Commutator groove milling tool
By designing an automated commutator slot milling tooling, the problem of cumbersome manual operation in the prior art is solved, and the automation and automatic discharge of commutator slot milling is realized, which improves production efficiency and convenience.
Patent Information
- Application Number
- CN202422429383.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The existing commutator milling groove tooling needs to be manually removed after each milling groove is completed, which is troublesome and lacks automatic discharge and collection function.
A commutator milling groove tooling including a base, a bracket, a slot milling mechanism, a support seat, a flip mechanism, a rotating mechanism, a material collection box and a tightening mechanism are designed. The flip mechanism and a rotating mechanism are used to realize automatic milling grooves and unloading. The commutator is fixed by using a tightening mechanism, and then the milling grooves slide down into the feeding box to collect them by gravity.
The automatic operation of commutator milling slots is realized, which reduces manual intervention and improves production efficiency and convenience of use.
Smart Images

Figure CN223185605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of commutator production, in particular to a commutator slot milling tool. Background Art
[0002] The commutator, also known as the "rectifier," is a crucial component in the armature of DC and AC motors. It is a cylindrical or disc-shaped structure composed of copper sheets separated by mica sheets, each of which is connected to several elements of the armature winding.
[0003] When producing commutators, a large number of grooves need to be milled into the raw material. Existing milling tools require manual removal of each workpiece after milling, which is quite cumbersome. Therefore, in response to the above situation, there is an urgent need to develop a commutator milling tool that is convenient for milling commutators and automatically collects the commutators after milling, reducing manual operations and making it more convenient to use, so as to overcome the shortcomings of current practical applications and meet current needs. Utility Model Content
[0004] The purpose of the present utility model is to provide a commutator slot milling tool to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] The top of the support shaft is fixed with a gear train, and the bottom of the support shaft is connected with a gear train by a gear train that is fixed on the support shaft.
[0007] Preferably: the slot milling mechanism includes: a first motor, a lead screw, a threaded sleeve, an extension block, a second motor and a circular milling cutter, the first motor is fixed to the top of the bracket, the lead screw is rotatably connected to the top of the bracket, the output shaft of the first motor is connected to the lead screw, a threaded sleeve is installed on the lead screw, an extension block passing through the bracket is fixed on the lower side of the threaded sleeve, the second motor is fixed to the bottom of the extension block, and a circular milling cutter is installed on the output shaft of the second motor.
[0008] Preferably, the extension block is slidably connected to the bracket, and the bracket is provided with a limiting sliding groove for the movement of the extension block.
[0009] Preferably: the rotating mechanism includes: a fourth motor, a first gear and a second gear, the fourth motor is fixed on the support seat, the first gear is installed on the output shaft of the fourth motor, a second gear meshing with the first gear is installed on one side of the first gear, and the second gear is installed on the support shaft.
[0010] Preferably, the tightening mechanism comprises a hydraulic cylinder and a tightening block, wherein the hydraulic cylinder is fixed in the supporting shaft, and the telescopic end of the hydraulic cylinder is fixed to the tightening block.
[0011] The beneficial effects of the present invention are as follows: the commutator milling tool places the commutator body on the support shaft, and pushes the front end of the commutator body onto the retaining ring, and then tightens and fixes the commutator body from the inside by a tightening mechanism, and then mills the commutator body by the milling mechanism. In addition, the support shaft and the commutator body are driven to rotate by a rotating mechanism so as to mill grooves at different positions of the commutator body. After the milling is completed, the tightening mechanism loosens the commutator body, and then drives the driving wheel and the driven wheel to rotate by a third motor, drives the rotating shaft and the support seat to flip downward by the driven wheel, and drives the support shaft to tilt downward by the support seat, so that the commutator body on the support shaft automatically slides into the material collecting box by gravity and is collected. In summary, the present invention is convenient for commutator milling, and automatically collects the commutator after milling, which reduces manual operation and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0013] Figure 2 This is a schematic diagram of the use state of the utility model.
[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the blanking state.
[0015] Figure 4 This is a partial structural diagram of the utility model Figure 1 .
[0016] Figure 5 This is a partial structural diagram of the utility model Figure 2 .
[0017] Figure 6 This is a partial structural diagram of the utility model Figure 3 .
[0018] Figure 7 This is an internal view of the support shaft in the present invention.
[0019] Legend:
[0020] 1. Base; 2. Bracket; 201. Limiting slide; 3. Milling mechanism; 301. First motor; 302. Lead screw; 303. Threaded sleeve; 304. Extension block; 305. Second motor; 306. Circular milling cutter; 4. Support seat; 401. Rotating shaft; 5. Flipping mechanism; 501. Third motor; 502. Driving wheel; 503. Driven wheel; 504. Transmission belt; 6. Support shaft; 601. In-position retaining ring; 7. Rotating mechanism; 701. Fourth motor; 702. First gear; 703. Second gear; 8. Material collecting box; 9. Tightening mechanism; 901. Hydraulic cylinder; 902. Tightening block; 10. Commutator body. DETAILED DESCRIPTION
[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] Specific examples are given below.
[0023] See also Figures 1 to 7In the embodiment of the present utility model, the commutator milling tool comprises a base 1, a bracket 2, a milling mechanism 3, a support seat 4, a flipping mechanism 5, a support shaft 6, a rotating mechanism 7, a material receiving box 8, a tightening mechanism 9 and a commutator body 10. The base 1 is provided with a support seat 4, a rotating shaft 401 is fixed to the bottom of the support seat 4, the rotating shaft 401 is rotatably connected to the base 1, a flipping mechanism 5 for driving the rotating shaft 401 and the support seat 4 to rotate is installed on the base 1, the support seat 4 is rotatably connected to the support shaft 6, the support seat 4 is provided with a rotating mechanism 7 for driving the support shaft 6 to rotate, a positioning retaining ring 601 is fixed on the support shaft 6, a tightening mechanism 9 is installed in the support shaft 6, the commutator body 10 is slidably installed on the support shaft 6, the base 1 is provided with a bracket 2, and the top of the support shaft 6 A milling mechanism 3 is installed on the upper bracket 2, and a material receiving box 8 is placed on the base 1 at the lower left of the support shaft 6. When in use, the commutator body 10 is placed on the support shaft 6, and the front end of the commutator body 10 is pushed onto the retaining ring 601. Then, the commutator body 10 is tightened and fixed from the inside by the tightening mechanism 9. Then, the commutator body 10 is milled by the milling mechanism 3. In addition, the support shaft 6 and the commutator body 10 are rotated by the rotating mechanism 7 so as to mill grooves at different positions of the commutator body 10. After the milling is completed, the tightening mechanism 9 loosens the commutator body 10, and then drives the rotating shaft 401 and the support seat 4 to rotate downward through the flipping mechanism 5, and drives the support shaft 6 to tilt downward through the support seat 4, so that the commutator body 10 on the support shaft 6 automatically slides into the material receiving box 8 by gravity and is collected.
[0024] The slot milling mechanism 3 includes: a first motor 301, a lead screw 302, a threaded sleeve 303, an extension block 304, a second motor 305 and a circular milling cutter 306, wherein the first motor 301 is fixed to the top of the bracket 2, the lead screw 302 is rotatably connected to the top of the bracket 2, the output shaft of the first motor 301 is connected to the lead screw 302, the lead screw 302 is mounted with a threaded sleeve 303, the lower side of the threaded sleeve 303 is fixed with an extension block 304 that passes through the bracket 2, the extension block 304 is slidably connected to the bracket 2, and the bracket 2 is rotated. A limiting slide groove 201 for moving the extension block 304 is provided on the frame 2. A second motor 305 is fixed to the bottom of the extension block 304. A circular milling cutter 306 is installed on the output shaft of the second motor 305. When in use, the first motor 301 drives the screw 302 to rotate, and the screw 302 rotates to drive the threaded sleeve 303, the extension block 304, the second motor 305 and the circular milling cutter 306 to move. The second motor 305 drives the circular milling cutter 306 to rotate, and the circular milling cutter 306 is used to mill a groove on the commutator body 10.
[0025] The flipping mechanism 5 includes: a third motor 501, a driving wheel 502, a driven wheel 503 and a transmission belt 504. The third motor 501 is fixed to the base 1. The driving wheel 502 is installed on the output shaft of the third motor 501. The driving wheel 502 is connected to the driven wheel 503 through a transmission belt 504. The driven wheel 503 is installed on the rotating shaft 401. When in use, the third motor 501 drives the driving wheel 502 and the driven wheel 503 to rotate, and the driven wheel 503 drives the rotating shaft 401 and the support base 4 to flip downward.
[0026] The rotating mechanism 7 includes: a fourth motor 701, a first gear 702 and a second gear 703. The fourth motor 701 is fixed on the support base 4. The first gear 702 is installed on the output shaft of the fourth motor 701. A second gear 703 meshing with the first gear 702 is installed on one side of the first gear 702. The second gear 703 is installed on the support shaft 6. When in use, the first gear 702 and the second gear 703 are driven to rotate by the fourth motor 701, and the support shaft 6 is driven to rotate by the second gear 703.
[0027] The tightening mechanism 9 includes: a hydraulic cylinder 901 and a tightening block 902. The hydraulic cylinder 901 is fixed in the support shaft 6. The telescopic end of the hydraulic cylinder 901 is fixed to the tightening block 902. When in use, the hydraulic cylinder 901 drives the tightening block 902 to move up and down, thereby tightening or loosening the commutator body 10.
[0028] Working principle: The commutator milling tool places the commutator body 10 on the support shaft 6, and pushes the front end of the commutator body 10 onto the retaining ring 601. Then, the commutator body 10 is tightened and fixed from the inside by the tightening mechanism 9. Then, the commutator body 10 is milled by the milling mechanism 3. In addition, the support shaft 6 and the commutator body 10 are driven to rotate by the rotating mechanism 7 so as to mill grooves at different positions of the commutator body 10. After the milling is completed, the tightening mechanism 9 releases the commutator body 10, and then the driving wheel 502 and the driven wheel 503 are driven to rotate by the third motor 501. The driven wheel 503 drives the rotating shaft 401 and the support seat 4 to flip downward, and the support shaft 6 is driven to tilt downward by the support seat 4, so that the commutator body 10 on the support shaft 6 automatically slides into the material collecting box 8 by gravity and is collected.
[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. Commutator slot milling tool, characterized in that: The invention comprises a base (1), a bracket (2), a milling mechanism (3), a support seat (4), a flipping mechanism (5), a support shaft (6), a rotating mechanism (7), a material receiving box (8) and a tightening mechanism (9), wherein the support seat (4) is installed on the base (1), a rotating shaft (401) is fixed to the bottom of the support seat (4), the rotating shaft (401) is rotatably connected to the base (1), a flipping mechanism (5) for driving the rotating shaft (401) and the support seat (4) to rotate is installed on the base (1), a support shaft (6) is rotatably connected to the support seat (4), a rotating mechanism (7) for driving the support shaft (6) to rotate is installed on the support seat (4), a retaining ring (601) is fixed to the support shaft (6), the A tightening mechanism (9) is installed in the support shaft (6), a bracket (2) is fixed on the base (1), a milling mechanism (3) is installed on the upper bracket (2) above the support shaft (6), and a material receiving box (8) is placed on the base (1) at the lower left of the support shaft (6). The turning mechanism (5) includes: a third motor (501), a driving wheel (502), a driven wheel (503) and a transmission belt (504). The third motor (501) is fixed on the base (1), and a driving wheel (502) is installed on the output shaft of the third motor (501). The driving wheel (502) is connected to the driven wheel (503) through the transmission belt (504), and the driven wheel (503) is installed on the rotating shaft (401).
2. The commutator slot milling tool according to claim 1, characterized in that: The slot milling mechanism (3) comprises: a first motor (301), a lead screw (302), a threaded sleeve (303), an extension block (304), a second motor (305) and a circular milling cutter (306), wherein the first motor (301) is fixed to the top of the bracket (2), the lead screw (302) is rotatably connected to the top of the bracket (2), the output shaft of the first motor (301) is connected to the lead screw (302), the lead screw (302) is mounted with a threaded sleeve (303), the lower side of the threaded sleeve (303) is fixed with an extension block (304) that passes through the bracket (2), the bottom of the extension block (304) is fixed with the second motor (305), and the output shaft of the second motor (305) is mounted with a circular milling cutter (306).
3. The commutator slot milling tool according to claim 2, characterized in that: The extension block (304) is slidably connected to the bracket (2), and a limiting sliding groove (201) for the movement of the extension block (304) is provided on the bracket (2).
4. The commutator slot milling tool according to claim 1, characterized in that: The rotating mechanism (7) comprises: a fourth motor (701), a first gear (702) and a second gear (703); the fourth motor (701) is fixed on the support base (4); the first gear (702) is mounted on the output shaft of the fourth motor (701); a second gear (703) meshing with the first gear (702) is mounted on one side of the first gear (702); and the second gear (703) is mounted on the support shaft (6).
5. The commutator slot milling tool according to claim 1, characterized in that: The tightening mechanism (9) comprises a hydraulic cylinder (901) and a tightening block (902), wherein the hydraulic cylinder (901) is fixed in the support shaft (6), and the telescopic end of the hydraulic cylinder (901) is fixed to the tightening block (902).