Scratch-proof clamp for processing iron core of permanent magnet synchronous motor

Abstract

The utility model relates to the technical field of iron core processing, in particular to a scratch-proof clamp for processing an iron core of a permanent magnet synchronous motor, which can automatically rotate the iron core according to processing requirements, does not need to manually rotate the iron core, is low in labor intensity, simultaneously prevents burrs on the iron core from scratching hands of workers, and is high in safety, convenient to use and high in practicability. Comprising a baseplate; the iron core clamping device further comprises a clamping device, a downward pressing device and a rotating device, the clamping device and the downward pressing device are both installed on the bottom plate, the clamping device has the clamping and fixing function, the downward pressing device has the downward pressing and fixing function, and the rotating device is installed on the bottom plate and used for rotating an iron core.

Description

Technical Field

[0001] The utility model relates to the technical field of iron core processing, in particular to an anti-scratch clamp for processing the iron core of a permanent magnet synchronous motor. Background Art

[0002] Permanent magnet synchronous motor is a kind of electric motor, which is widely used in the fields of machinery and chemical industry. The stator core is an important component of the permanent magnet synchronous motor. When processing the stator core, it is necessary to process multiple wire slots for storing coils inside the stator core through a processing device. Figure 6 And the instruction manual Figure 7 , that is, the core is Figure 6 Processed into Figure 7 state. When using a processing device to process the iron core, a clamp is required to clamp and fix the iron core. In the prior art, a utility model patent with patent application number 201921212620.6 discloses a clamp for processing motor iron cores, which can be used to clamp and fix the lower part of the iron core by a clamping plate when in use; the inventor believes that there are the following problems during use. Since the iron core needs to be processed in all parts of the circumferential direction during the processing of the wire groove, when the lower part of the iron core needs to be processed, the device in the above-mentioned prior art also requires the staff to loosen the clamp and manually rotate the iron core so that the part where the iron core contacts the clamp, that is, the lower part of the iron core, is rotated to the upper part of the iron core, and then it can be processed by an external processing device; relying on manual rotation of the iron core is not only labor-intensive, but also the burrs generated during the processing process can easily scratch the hands of the staff, resulting in inconvenience in use and poor reliability. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a permanent magnet synchronous motor core processing anti-scratch clamp which can automatically rotate the iron core according to processing needs, without the need for manual rotation of the iron core, with low labor intensity, and at the same time prevents the burrs on the iron core from scratching the workers' hands. The utility model has high safety, is easy to use, and is highly practical.

[0004] The utility model discloses a permanent magnet synchronous motor core processing anti-scratch fixture, comprising a base plate; a clamping device, a pressing device and a rotating device, both of which are mounted on the base plate, the clamping device has a clamping and fixing function, the pressing device has a pressing and fixing function, the rotating device is mounted on the base plate, and the rotating device is used to rotate the core; as shown in the attached manual Figure 1The external processing device is located on the upper side of the clamping device. When processing the wire groove of the iron core of the permanent magnet synchronous motor, the iron core is first placed on the rotating device, and then the lower part of the iron core is clamped by the clamping device, and then the iron core is pressed downward by the pressing device so that the iron core is pressed and fixed, and then the upper part of the iron core is processed by the processing device. When it is necessary to process the wire groove of the lower part of the iron core, the clamping device is loosened, and then the pressing device is raised to stop pressing the iron core, and then the iron core is rotated by the rotating device to rotate the unprocessed part of the lower part of the iron core to the upper part of the iron core, and then the iron core is clamped and fixed by the clamping device again, and the iron core is pressed and fixed by the pressing device at the same time, and then the upper part of the iron core is processed by the processing device; when processing the wire groove of the iron core, the iron core can be automatically rotated, which avoids manual rotation of the iron core, reduces labor intensity, and prevents the burrs on the iron core from scratching the workers' hands. It has high safety, convenient use and high practicality.

[0005] The front end of the screw is connected with the output end of the torque motor, and the two sets of sliding plates are respectively screwed with the front and rear parts of the screw, and the two sets of clamping plates are respectively fixedly mounted on the two sets of sliding plates, and the two sets of sliding plates are both slidably mounted on the slide rails, and the slide rails are fixedly mounted on the bottom plate; when the iron core is clamped and fixed, the iron core is first placed on the rotating device so that the iron core is located between the two sets of clamping plates, and then the torque motor is turned on, the torque motor drives the screw to rotate, and the rotating screw passes through the two sets of sliding plates to make the two sets of clamping plates approach each other until the two sets of clamping plates are respectively in contact with the front and rear ends of the iron core, so that the two sets of clamping plates clamp and fix the iron core front and back; the stability of the iron core during processing is improved.

[0006] Preferably, the pressing device includes a support frame, a hydraulic cylinder, a push rod and a pressure plate. The support frame is fixedly installed on the upper end of the base plate, the hydraulic cylinder is fixedly installed on the upper end of the support frame, the push rod is slidably installed on the upper part of the support frame, the upper end of the push rod is connected to the output end of the hydraulic cylinder, and the pressure plate is fixedly installed on the lower end of the push rod; when the iron core is clamped and fixed front and back by the clamping device, the hydraulic cylinder is opened, and the hydraulic cylinder lowers the pressure plate through the push rod until the pressure plate contacts the upper end of the iron core, so that the pressure plate presses the iron core and fixes it on the rotating device, further improving the stability of the iron core during processing.

[0007] Preferably, the rotating device comprises two sets of vertical plates, two sets of supporting rollers and two sets of stepper motors, the two sets of vertical plates are respectively fixedly mounted on the left and right parts of the upper end of the bottom plate, the two sets of supporting rollers are respectively rotatably mounted on the two sets of vertical plates, the two sets of stepper motors are respectively fixedly mounted on the two sets of vertical plates, the output ends of the two sets of stepper motors are respectively connected to the two sets of supporting rollers, and the two sets of stepper motors are both provided with reducers; when processing the iron core, firstly place the lower part of the iron core on the two sets of supporting rollers, then fix the iron core by means of a clamping device and a pressing device, then process the upper part of the iron core by means of an external processing device, when it is necessary to process the lower part of the iron core, firstly release the fixation of the iron core by the clamping device and the pressing device, then make the two sets of stepper motors drive the two sets of supporting rollers to rotate synchronously, the two sets of supporting rollers rotate the iron core by friction force, so that the lower part of the iron core is rotated to the upper part, then fix the iron core again by means of the clamping device and the pressing device, and then process the iron core; this facilitates the rotation of the iron core and improves convenience.

[0008] Preferably, a rubber layer is provided on the outer side walls of the two groups of support rollers; through the above arrangement, the two groups of support rollers are prevented from scratching the iron core, thereby improving reliability.

[0009] Preferably, a dust cover is provided on the hydraulic cylinder; through the above arrangement, dust from the outside falling on the hydraulic cylinder is reduced, and the cleanliness of the hydraulic cylinder during use is improved.

[0010] Preferably, a pressure sensor is provided at the lower end of the push rod; through the above arrangement, it is convenient to monitor the pressure applied by the pressure plate to the iron core, thereby improving convenience.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the iron core can be automatically rotated according to processing needs, there is no need to manually rotate the iron core, the labor intensity is low, and at the same time, the burrs on the iron core are prevented from scratching the workers' hands. It has high safety, is easy to use, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0013] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0014] Figure 3 is a schematic diagram of the structure of the rotating device;

[0015] Figure 4 is a schematic diagram of the structure of the clamping device;

[0016] Figure 5 It is a schematic diagram of the structure of the pressing device;

[0017] Figure 6It is a schematic diagram of the structure of the iron core before processing;

[0018] Figure 7 It is a schematic diagram of the structure of the iron core after processing.

[0019] Markings in the attached drawings: 1. base plate; 2. processing device; 3. support plate; 4. torque motor; 5. lead screw; 6. sliding plate; 7. clamping plate; 8. slide rail; 9. support frame; 10. hydraulic cylinder; 11. push rod; 12. pressure plate; 13. vertical plate; 14. support roller; 15. stepping motor; 16. iron core. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 7 The utility model of the iron core processing anti-scratch fixture comprises a base plate 1, a clamping device, a pressing device and a rotating device. The clamping device and the pressing device are both installed on the base plate 1. The clamping device has a clamping and fixing function, the pressing device has a pressing and fixing function, and the rotating device is installed on the base plate 1. The rotating device is used to rotate the iron core; as shown in the attached manual Figure 1 The external processing device 2 is located on the upper side of the clamping device. When processing the wire groove of the iron core of the permanent magnet synchronous motor, the iron core 16 is first placed on the rotating device, and then the lower part of the iron core 16 is clamped by the clamping device, and then the iron core 16 is pressed downward by the pressing device so that the iron core 16 is pressed and fixed, and then the upper part of the iron core 16 is processed by the processing device 2. When the wire groove needs to be processed on the lower part of the iron core 16, the clamping device is loosened, and then the pressing device is raised to stop pressing the iron core 16, and then the rotating device is used. The iron core 16 is rotated by the device so that the unprocessed part of the lower part of the iron core 16 is rotated to the upper part of the iron core 16, and then the iron core 16 is clamped and fixed by the clamping device again, and the iron core 16 is pressed and fixed by the pressing device at the same time, and then the upper part of the iron core 16 is processed by the processing device 2; when the wire groove is processed on the iron core 16, the iron core 16 can be automatically rotated, avoiding manual rotation of the iron core 16, reducing labor intensity, and preventing the burrs on the iron core 16 from scratching the workers' hands, with high safety, easy use and high practicality.

[0023] like Figure 1 and Figure 4The clamping device includes a support plate 3, a torque motor 4, a lead screw 5, two sets of sliding plates 6, two sets of clamping plates 7 and a slide rail 8. The support plate 3 is fixedly mounted on the middle part of the upper end of the base plate 1, the torque motor 4 is fixedly mounted on the front end of the support plate 3, the lead screw 5 is rotatably mounted on the support plate 3, the front and rear parts of the lead screw 5 are respectively provided with external threads with opposite rotation directions, the front end of the lead screw 5 is connected to the output end of the torque motor 4, the two sets of sliding plates 6 are respectively screwed with the front and rear parts of the lead screw 5, the two sets of clamping plates 7 are respectively fixedly mounted on the two sets of sliding plates 6, and the two sets of sliding plates 6 They are all slidably installed on the slide rail 8, and the slide rail 8 is fixedly installed on the base plate 1; when clamping and fixing the iron core 16, first place the iron core 16 on the rotating device so that the iron core 16 is located between the two sets of clamping plates 7, and then turn on the torque motor 4, the torque motor 4 drives the lead screw 5 to rotate, and the rotating lead screw 5 passes through the two sets of sliding plates 6 to make the two sets of clamping plates 7 approach each other until the two sets of clamping plates 7 are respectively in contact with the front and rear ends of the iron core 16, so that the two sets of clamping plates 7 clamp the iron core 16 front and back and fix it; the stability of the iron core 16 during the processing is improved.

[0024] like Figure 1 and Figure 5 The pressing device includes a support frame 9, a hydraulic cylinder 10, a push rod 11 and a pressing plate 12. The support frame 9 is fixedly installed on the upper end of the base plate 1, the hydraulic cylinder 10 is fixedly installed on the upper end of the support frame 9, the push rod 11 is slidably installed on the upper part of the support frame 9, the upper end of the push rod 11 is connected to the output end of the hydraulic cylinder 10, and the pressing plate 12 is fixedly installed on the lower end of the push rod 11; when the iron core 16 is clamped and fixed front and back by the clamping device, the hydraulic cylinder 10 is opened, and the hydraulic cylinder 10 lowers the pressing plate 12 through the push rod 11 until the pressing plate 12 contacts the upper end of the iron core 16, so that the pressing plate 12 presses and fixes the iron core 16 on the rotating device, further improving the stability of the iron core 16 during the processing.

[0025] like Figure 3The rotating device includes two sets of vertical plates 13, two sets of supporting rollers 14 and two sets of stepping motors 15. The two sets of vertical plates 13 are respectively fixedly mounted on the left and right parts of the upper end of the bottom plate 1. The two sets of supporting rollers 14 are respectively rotatably mounted on the two sets of vertical plates 13. The two sets of stepping motors 15 are respectively fixedly mounted on the two sets of vertical plates 13. The output ends of the two sets of stepping motors 15 are respectively connected to the two sets of supporting rollers 14. The two sets of stepping motors 15 are both provided with reducers. When processing the iron core 16, first place the lower part of the iron core 16 on the two sets of supporting rollers 14, and then pass the clamping device and the lower The pressing device fixes the iron core 16, and then the upper part of the iron core 16 is processed by the external processing device 2. When the lower part of the iron core 16 needs to be processed, the clamping device and the pressing device are first loosened to fix the iron core 16, and then the two groups of stepper motors 15 drive the two groups of support rollers 14 to rotate synchronously. The two groups of support rollers 14 rotate the iron core 16 through friction, so that the lower part of the iron core 16 is rotated to the upper part, and then the iron core 16 is fixed again by the clamping device and the pressing device, and then the iron core 16 can be processed; the rotation of the iron core 16 is facilitated and the convenience is improved. A rubber layer is provided on the outer wall of the two groups of support rollers 14, and a dust cover is provided on the hydraulic cylinder 10.

[0026] Example 2

[0027] On the basis of Example 1, a pressure sensor is additionally provided at the lower end of the push rod 11; through the above arrangement, it is convenient to monitor the pressure applied by the pressure plate 12 to the iron core 16, thereby improving convenience.

[0028] The torque motor 4, lead screw 5, vertical plate 13 and stepper motor 15 of the permanent magnet synchronous motor core processing anti-scratch fixture of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A permanent magnet synchronous motor core processing anti-scratch fixture, comprising a bottom plate (1); characterized in that: It also includes a clamping device, a pressing device and a rotating device. The clamping device and the pressing device are both mounted on the base plate (1). The clamping device has a clamping and fixing function. The pressing device has a pressing and fixing function. The rotating device is mounted on the base plate (1). The rotating device is used to rotate the iron core.

2. A permanent magnet synchronous motor core processing anti-scratch fixture as claimed in claim 1, characterized in that: The clamping device comprises a support plate (3), a torque motor (4), a lead screw (5), two groups of sliding plates (6), two groups of clamping plates (7) and a slide rail (8); the support plate (3) is fixedly mounted on the middle part of the upper end of the base plate (1); the torque motor (4) is fixedly mounted on the front end of the support plate (3); the lead screw (5) is rotatably mounted on the support plate (3); the front and rear parts of the lead screw (5) are respectively provided with external threads with opposite rotation directions; the front end of the lead screw (5) is connected to the output end of the torque motor (4); the two groups of sliding plates (6) are respectively screwed to the front and rear parts of the lead screw (5); the two groups of clamping plates (7) are respectively fixedly mounted on the two groups of sliding plates (6); the two groups of sliding plates (6) are both slidably mounted on the slide rail (8) in the front and rear directions; and the slide rail (8) is fixedly mounted on the base plate (1).

3. The anti-scratch fixture for processing the iron core of a permanent magnet synchronous motor according to claim 1, characterized in that: The pressing device comprises a support frame (9), a hydraulic cylinder (10), a push rod (11) and a pressing plate (12); the support frame (9) is fixedly mounted on the upper end of the base plate (1); the hydraulic cylinder (10) is fixedly mounted on the upper end of the support frame (9); the push rod (11) is slidably mounted on the upper part of the support frame (9); the upper end of the push rod (11) is connected to the output end of the hydraulic cylinder (10); and the pressing plate (12) is fixedly mounted on the lower end of the push rod (11).

4. A permanent magnet synchronous motor core processing anti-scratch fixture as claimed in claim 1, characterized in that: The rotating device comprises two groups of vertical plates (13), two groups of supporting rollers (14) and two groups of stepping motors (15); the two groups of vertical plates (13) are respectively fixedly mounted on the left and right parts of the upper end of the bottom plate (1); the two groups of supporting rollers (14) are respectively rotatably mounted on the two groups of vertical plates (13); the two groups of stepping motors (15) are respectively fixedly mounted on the two groups of vertical plates (13); the output ends of the two groups of stepping motors (15) are respectively connected to the two groups of supporting rollers (14); and the two groups of stepping motors (15) are both provided with reducers.

5. A permanent magnet synchronous motor core processing anti-scratch fixture as claimed in claim 4, characterized in that: The outer side walls of the two groups of support rollers (14) are both provided with a rubber layer.

6. A permanent magnet synchronous motor core processing anti-scratch fixture as claimed in claim 3, characterized in that: The hydraulic cylinder (10) is provided with a dust cover.

7. A permanent magnet synchronous motor core processing anti-scratch fixture as claimed in claim 3, characterized in that: A pressure sensor is provided at the lower end of the push rod (11).

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