Bent coil thickness milling and grinding device

Abstract

The utility model discloses a bending coil thickness milling and grinding device which comprises a workbench, clamps, a mechanical arm and a milling and grinding mechanism, the clamps are symmetrically installed on the workbench, the mechanical arm is located on one side of the workbench, the milling and grinding mechanism is installed at the working end of the mechanical arm, and the milling and grinding mechanism conducts thickness milling and grinding on the bending position of a coil on the clamps. According to the thickness milling and grinding device, thickness milling and grinding work can be completed only by clamping the copper bar once, the transferring and clamping times of the copper bar are reduced in the whole process, the machining efficiency is improved, meanwhile, one-time machining is in place, and the machining precision and the product quality are guaranteed; and two corners of the copper bar can be processed at the same time, so that the working time is greatly shortened. And the device is not complicated in structure and simple to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of coil grinding equipment, in particular to a bending coil milling and grinding device. Background Art

[0002] At present, in the large synchronous motor industry, the pole coil of the motor is one of the most critical components, and the pole coil plays a very important role in the operation of the motor. The copper bar used as the pole coil has a rectangular cross section, and is generally made by winding the copper bar into a square or welding the U-shaped copper bar into a square.

[0003] Generally, when the copper bar is wound into a square shape, the thickness of the copper bar will change at the corners, that is, the inner edge of the corner becomes thicker and the outer edge of the corner becomes thinner. In order to ensure the uniform thickness of the corner of the copper bar, workers will use grinding equipment, usually machine tools for grinding, and then polish the ground part on a transfer polishing machine. In the process of processing the corners of the copper bar, the copper bar needs to be transferred back and forth and clamped many times. The process is cumbersome and the work efficiency is low. Utility Model Content

[0004] The utility model aims to provide a bending coil milling and grinding device to solve the problem that in the process of processing the uneven thickness at the corner of the copper bar, the copper bar needs to be transferred back and forth and clamped multiple times, the process is cumbersome and the work efficiency is low.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A bending coil milling and grinding device comprises a workbench, a fixture, a manipulator and a milling and grinding mechanism, wherein the fixture is symmetrically mounted on the workbench, the manipulator is located at one side of the workbench, the milling and grinding mechanism is mounted on the working end of the manipulator, and the milling and grinding mechanism performs milling and grinding on the bending part of the coil on the fixture.

[0007] A further technical solution is: the clamp includes a load-bearing plate, a cylinder, a support and a tilting rod, two of the load-bearing plates are symmetrically installed on the workbench, at least two of the supports are installed on the upper surface of the load-bearing plate, there is at least one support at both ends of the coil bending part, the tilting rod is rotatably installed on the support, the cylinder is hinged on the load-bearing plate, and the other end of the cylinder is hinged to the outer end of the tilting rod.

[0008] A further technical solution is: a pressure plate is provided at the inner end of the tilting rod, and a rubber pad is provided on the lower surface of the pressure plate.

[0009] A further technical solution is: the milling and grinding mechanism includes a fixed plate, a milling assembly and a grinding assembly, the fixed plate is installed on the working end of the manipulator, and the milling assembly and the grinding assembly are both installed on the lower surface of the fixed plate.

[0010] A further technical solution is: the milling thickness assembly includes a first driving member and a rod-type milling cutter, the first driving member is installed on the lower surface of the fixed plate, and the rod-type milling cutter is installed on the output end of the first driving member.

[0011] A further technical solution is: the polishing assembly includes a second driving member and a polishing wheel, the second driving member is mounted on the lower surface of the fixed plate, and the polishing wheel is mounted on the output end of the second driving member.

[0012] A further technical solution is that the first driving member and the second driving member are electric motors or pneumatic motors.

[0013] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0014] The utility model proposes a bending coil milling and grinding device, which can realize the milling and grinding work of the copper bar with only one clamping, reducing the number of copper bar transfer and clamping times in the whole process, improving processing efficiency, and at the same time, one-time processing to ensure processing accuracy and product quality. Moreover, the two corners of the copper bar can be processed at the same time, greatly shortening the working time. Moreover, the device has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a bending coil milling and grinding device.

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of the milling mechanism.

[0017] Figure numerals: 1. workbench; 2. fixture; 3. manipulator; 4. milling mechanism; 5. coil; 6. load-bearing plate; 7 cylinder; 8. support; 9. lift rod; 10. pressure plate; 11. fixed plate; 12. milling assembly; 121. first driving member; 122. rod milling cutter; 13. grinding assembly; 131. second driving member; 132. polishing wheel. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment 1:

[0025] In this embodiment, Figure 1 As shown, a bent coil milling and grinding device includes a workbench 1, a fixture 2, a manipulator 3 and a milling and grinding mechanism 4, the fixture 2 is symmetrically installed on the workbench 1, the manipulator 3 is located on one side of the workbench 1, the milling and grinding mechanism 4 is installed on the working end of the manipulator 3, and the milling and grinding mechanism 4 performs milling and grinding on the bending part of the coil 5 on the fixture 2.

[0026] When the coil 5 is clamped on the fixture 2, the milling and grinding mechanism 4 can perform milling and grinding on the bend of the coil 5 on the fixture 2. The milling and grinding device can achieve the milling and grinding work of the copper bar with only one clamping. The whole process reduces the number of copper bar transfers and clamping times, improves processing efficiency, and at the same time, the processing is completed in one time to ensure processing accuracy and product quality. Moreover, the two corners of the copper bar can be processed at the same time, greatly shortening the working time. Moreover, the device has a simple structure and is easy to operate.

[0027] Preferably, the clamp 2 includes a load-bearing plate 6, a cylinder 7, a support 8 and a tilting rod 9. The two load-bearing plates 6 are symmetrically installed on the workbench 1. At least two supports 8 are installed on the upper surface of the load-bearing plate 6. There is at least one support 8 at both ends of the bend of the coil 5. The tilting rod 9 is rotatably installed on the support 8. The cylinder 7 is hinged on the load-bearing plate 6, and the other end of the cylinder 7 is hinged to the outer end of the tilting rod 9.

[0028] The clamp 2 is used to press the two ends of the copper busbar 5 at the corners, so as to fix the copper busbar 5.

[0029] Preferably, a pressing plate 10 is provided at the inner end of the tilting rod 9 , and a rubber pad is provided on the lower surface of the pressing plate 10 .

[0030] The area of ​​the pressing plate 10 is larger, the pressing of the copper bar 5 is more stable, and it is not easy to damage the surface of the copper bar 5. The rubber pad further prevents damage to the surface of the copper bar 5.

[0031] Embodiment 2:

[0032] Based on the above embodiments, Figure 2 As shown, the milling and grinding mechanism 4 includes a fixed plate 11, a milling assembly 12 and a grinding assembly 13. The fixed plate 11 is mounted on the working end of the manipulator 3. The milling assembly 12 and the grinding assembly 13 are both mounted on the lower surface of the fixed plate 11. The milling assembly 12 includes a first driving member 121 and a rod-type milling cutter 122. The first driving member 121 is mounted on the lower surface of the fixed plate 11, and the rod-type milling cutter 122 is mounted on the output end of the first driving member 121. The grinding assembly 13 includes a second driving member 131 and a polishing wheel 132. The second driving member 131 is mounted on the lower surface of the fixed plate 11, and the polishing wheel 132 is mounted on the output end of the second driving member 131. The first driving member 121 and the second driving member 131 are electric motors or pneumatic motors.

[0033] An electric motor or a pneumatic motor is used as a driving part to drive the rod milling cutter 122 and the polishing wheel 132 to rotate, and the corners of the copper bar 5 are milled and polished in turn. The rod milling cutter 122 and the polishing wheel 132 are specifically positioned at the corners of the copper bar 5, which is realized and controlled by the manipulator 3.

[0034] The working process of the utility model is as follows: the cylinder 7 retracts, the inner end of the tilting rod 9 tilts up, and the worker places the U-shaped copper bar 5 at an appropriate position on the upper surface of the load-bearing plate 6. Then, the cylinder 7 extends, and the inner end of the tilting rod 9 presses down to tighten the two ends of the copper bar 5 at the corners. The working end of the manipulator 3 brings the milling mechanism 4 to perform milling and grinding on the bending part of the coil 5 on the fixture 2. Specifically, the milling assembly 12 of the milling mechanism 4 starts working first, and the first driving member 121 drives the rod milling cutter 122 to rotate to flatten the corner of the copper bar 5. Then the grinding assembly 13 starts working again, and the second driving member 131 drives the polishing wheel 132 to rotate to polish the corner of the copper bar 5.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending coil milling and grinding device, characterized in that: The invention comprises a workbench (1), a fixture (2), a manipulator (3) and a milling and grinding mechanism (4), wherein the fixture (2) is symmetrically mounted on the workbench (1), the manipulator (3) is located on one side of the workbench (1), and the milling and grinding mechanism (4) is mounted on the working end of the manipulator (3), and the milling and grinding mechanism (4) performs milling and grinding on the bending part of the coil (5) on the fixture (2).

2. The bending coil milling and grinding device according to claim 1, characterized in that: The clamp (2) comprises a load-bearing plate (6), a cylinder (7), a support (8) and a tilting rod (9), wherein two load-bearing plates (6) are symmetrically mounted on the workbench (1), at least two supports (8) are mounted on the upper surface of the load-bearing plate (6), at least one support (8) is disposed at both ends of the bend of the coil (5), the tilting rod (9) is rotatably mounted on the support (8), the cylinder (7) is hingedly mounted on the load-bearing plate (6), and the other end of the cylinder (7) is hingedly connected to the outer end of the tilting rod (9).

3. The bending coil milling and grinding device according to claim 2, characterized in that: A pressing plate (10) is provided at the inner end of the tilting rod (9), and a rubber pad is provided on the lower surface of the pressing plate (10).

4. The bending coil milling and grinding device according to claim 1, characterized in that: The milling and grinding mechanism (4) comprises a fixed plate (11), a milling assembly (12) and a grinding assembly (13); the fixed plate (11) is mounted on a working end of the manipulator (3); and the milling assembly (12) and the grinding assembly (13) are both mounted on the lower surface of the fixed plate (11).

5. The bending coil milling and grinding device according to claim 4, characterized in that: The milling thickness component (12) comprises a first driving member (121) and a rod-type milling cutter (122), wherein the first driving member (121) is mounted on the lower surface of the fixing plate (11), and the rod-type milling cutter (122) is mounted on the output end of the first driving member (121).

6. The bending coil milling and grinding device according to claim 5, characterized in that: The polishing assembly (13) comprises a second driving member (131) and a polishing wheel (132), wherein the second driving member (131) is mounted on the lower surface of the fixing plate (11), and the polishing wheel (132) is mounted on the output end of the second driving member (131).

7. The bending coil milling and grinding device according to claim 6, characterized in that: The first driving member (121) and the second driving member (131) are electric motors or pneumatic motors.

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