Cylindrical magnetic steel rotor pasting and overturning tool

Abstract

The utility model relates to the field of permanent magnet motor assembly tools, in particular to a cylindrical magnetic steel rotor pasting and overturning tool. The pasting and overturning tool comprises a mounting frame; the pasting structure comprises a lifting air cylinder and a magnetic steel fixing seat; the overturning structure comprises an overturning motor suitable for being connected with the head end and an index plate synchronously rotating with the head end; telescopic pressing shafts which are uniform in the circumferential direction of the index plate are arranged on the index plate, and contact switches which correspond to the pressing shafts and are in linkage with the lifting air cylinder are arranged on the installation frame. And the contact switch is configured to enable the lifting cylinder to lift the magnetic steel fixing seat when the pressing shaft presses the contact switch. According to the pasting and overturning tool for the cylindrical magnetic steel rotor, the overturning structure drives the rotor body to rotate, the pasting structure drives the magnetic steel to be pasted on the rotor body, automatic overturning of the rotor body and automatic pasting of the magnetic steel can be achieved through cooperation of the overturning structure and the pasting structure, and the pasting and overturning tool is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to permanent magnet motor assembly tool field, concretely relates to a cylindrical magnetic steel rotor pasting and turning tool. BACKGROUND

[0002] The inner rotor of the inner rotor permanent magnet motor is composed of a cylindrical rotor body and magnetic steels installed on the outer side of the rotor body in the circumferential direction. The rotor body has opposite head and tail ends, and a positioning groove is formed on the head end. The magnetic steels are generally fixed on the outer wall of the rotor body by pasting.

[0003] A Chinese invention patent application with the application publication number CN117767679A discloses a surface-mounted permanent magnet motor rotor manufacturing device and method. The manufacturing device includes a base, a fixed air cylinder, a sliding air cylinder, a magnetic steel sheet fixing unit, and a shaft fixing unit. The shaft fixing unit includes a shaft tail end support seat in sliding connection with the surface of the base and a shaft head end support mechanism in fixed connection with the surface of the base. The shaft head end support mechanism includes a shaft head end support, a shaft fixing seat assembly, a bearing, and a first limiting pin. The shaft head end support is in fixed connection with the surface of the base. The shaft fixing seat assembly is connected with the shaft head end support through the bearing. The shaft fixing seat assembly can rotate relative to the shaft head end support. The end surface of one end of the shaft fixing seat assembly is provided with a plurality of index holes. The index holes are uniformly and circumferentially distributed along the end surface of the shaft fixing seat assembly. However, this surface-mounted permanent magnet motor rotor manufacturing device relies on manual rotation of the motor rotor and manual pulling of the first limiting pin for limiting. The labor intensity of the workers is large, and the labor cost is high.

[0004] Therefore, there is a need in the art for a new technical solution to solve the above problems. SUMMARY

[0005] In order to improve or solve the technical problems of manual rotation of the motor rotor and manual pulling of the first limiting pin for limiting in the prior art, the labor intensity of the workers is large, and the labor cost is high, the utility model provides a cylindrical magnetic steel rotor pasting and turning tool. The pasting and turning tool comprises: a mounting frame adapted to form a rotary connection with the head end and the tail end of the rotor body; a pasting structure adapted to be installed below the rotor body; the pasting structure comprises a lifting air cylinder and a magnetic steel fixing seat connected with the lifting air cylinder and adapted to support the magnetic steel; a turning structure comprising a turning motor adapted to be connected with the head end and an index disc adapted to rotate synchronously with the head end; a retractable pressing shaft is arranged on the index disc and uniformly distributed in the circumferential direction of the index disc; a contact switch corresponding to the pressing shaft and linked with the lifting air cylinder is arranged on the mounting frame; the contact switch is configured to lift the magnetic steel fixing seat when the pressing shaft presses the contact switch.

[0006] In the utility model cylinder magnetic steel rotor pastes and turns over frock, including mounting bracket, pasting structure and turning structure. Among them, mounting bracket is used for supporting rotor body, and it is convenient to paste and turn over rotor body. Pasting structure includes lifting cylinder and magnetic steel fixing base, and magnetic steel fixing base is used for adsorbing magnetic steel, and lifting cylinder is used for driving magnetic steel fixing base to be close to rotor body, so that magnetic steel is adhered on rotor body. Turning structure includes turning motor and index plate, and turning motor is connected with rotor body, and is used for driving rotor body to rotate, and adjusts the position of rotor body, so that magnetic steel is pasted on rotor body in turn. Index plate rotates synchronously with rotor body, and press shaft is arranged on the index plate;Contact switch is arranged on the mounting bracket, and the contact switch is connected with the lifting cylinder;When rotor body rotates the preset angle, the magnetic steel groove on the rotor body faces the magnetic steel fixing base, the press shaft presses the contact switch, the contact switch sends a signal, the lifting cylinder lifts the magnetic steel fixing base, and the magnetic steel is pasted in the magnetic steel groove. Through the above-mentioned setting, the utility model cylinder magnetic steel rotor pastes and turns over frock, and the rotor body is driven to rotate through the turning structure, and the magnetic steel is pasted on the rotor body through the pasting structure, and the two are matched, so that the automatic turning of rotor body and the automatic pasting of magnetic steel can be realized, and the structure is simple and convenient to use.

[0007] Further, the lifting cylinder is connected with a time delay device, which is configured to control the lifting cylinder to descend after lifting for a predetermined time.

[0008] Further, the contact switch is installed on the mounting bracket through a mounting block, a guide sliding groove matched with the press shaft is formed on the mounting block, and a guide inclined surface facing the contact switch is formed on the press shaft.

[0009] Further, a containing groove matched with the press shaft is formed on the index plate, and a compression spring connected with the press shaft is arranged in the containing groove.

[0010] Further, a limiting groove connected with the containing groove is formed on the index plate, and a limiting block matched with the limiting groove is arranged on the press shaft, and the containing groove and the limiting groove extend along the thickness direction of the index plate.

[0011] Further, it further includes a connecting sleeve adapted to be sleeved on the outside of the head end and synchronously rotate with the head end;The connecting sleeve is fixedly connected with the turning motor, and is rotatably connected with the mounting bracket.

[0012] In conclusion, compared with the prior art, the utility model has the following beneficial effects:

[0013] The rotor body is driven to rotate through the overturning structure, and the magnetic steel is driven to be pasted on the rotor body through the pasting structure, cooperation of the two can realize automatic overturning of the rotor body and automatic pasting of the magnetic steel, and the structure is simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0015] Figure 1 is a schematic view of an embodiment of the cylindrical magnetic steel rotor pasting and overturning tool of the present application;

[0016] Figure 2 is Figure 1 is an enlarged schematic view of position A in FIG.

[0017] Figure 3 is a schematic view of the index plate and the contact switch in the cylindrical magnetic steel rotor pasting and overturning tool of the present application.

[0018] LIST OF REFERENCE NUMERALS: 1, mounting frame; 2, pasting structure; 21, lifting air cylinder; 22, magnetic steel fixing seat; 3, overturning structure; 31, overturning motor; 32, index plate; 321, containing groove; 33, connecting sleeve; 34, pressing shaft; 341, guide inclined surface; 35, compression spring; 36, limiting block; 37, contact switch; 38, mounting block; 381, guide sliding groove. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0020] It should be noted that, in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship of the terms based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and is not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0021] Moreover, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the terms "mount", "set", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be direct connection, also can indirectly connect through the intermediate medium, also can be two element internal communication. For the person skilled in the art, the concrete meaning of the above terms in the utility model can be understood according to specific circumstances.

[0022] In order to improve or solve the technical problems of manual rotation of motor rotor and manual pulling of first limit pin for limiting in the prior art, labor intensity of workers is large, and artificial cost is high, the utility model provides a cylindrical magnetic steel rotor pasting and turnover tool. The pasting and turnover tool comprises: a mounting frame 1 adapted to be rotatably connected with the head end and the tail end of the rotor body; a pasting structure 2 adapted to be installed below the rotor body; the pasting structure 2 comprises a lifting cylinder 21 and a magnetic steel fixing seat 22 connected with the lifting cylinder 21 and adapted to support the magnetic steel; a turnover structure 3 comprising a turnover motor 31 adapted to be connected with the head end and an index plate 32 synchronously rotated with the head end; a retractable pressing shaft 34 uniformly distributed along the circumference of the index plate 32 is arranged on the index plate 32, and a contact switch 37 corresponding to the pressing shaft 34 and linked with the lifting cylinder 21 is arranged on the mounting frame 1; the contact switch 37 is configured to lift the magnetic steel fixing seat 22 when the pressing shaft 34 presses the contact switch 37.

[0023] Figure 1 It is the schematic diagram of an embodiment of the cylindrical magnetic steel rotor pasting and turnover tool of the utility model. As shown in Figure 1 In one or more embodiments, the cylindrical magnetic steel rotor pasting and turnover tool of the utility model comprises a mounting frame 1, a pasting structure 2 and a turnover structure 3.

[0024] Continuing to refer to Figure 1 In one or more embodiments, the mounting frame 1 is provided with two, and the two mounting frames 1 are oppositely arranged. One of the mounting frames 1 is used for mounting the head end of the rotor body, and the other mounting frame 1 is used for mounting the tail end of the rotor body. Bearings are arranged on the two mounting frames 1, and the head end and the tail end of the rotor body are arranged in the bearings. Specifically, the mounting frame 1 is substantially inverted T-shaped, and the mounting frame 1 comprises a bottom plate and a vertical plate mounted on the bottom plate. The bottom plate is detachably mounted on the mounting plane by bolts, and the bearings are mounted on the vertical plate.

[0025] Continuing to refer to Figure 1The sticking structure 2 is arranged between the two mounting racks 1 and directly below the rotor body. In one or more embodiments, the sticking structure 2 comprises lifting cylinders 21 and magnet steel fixing seats 22 connected with the lifting cylinders 21. The lifting cylinders 21 are installed on the working plane through cylinder mounting seats. Specifically, two lifting cylinders 21 are provided, the two lifting cylinders 21 are arranged side by side, and are arranged at two ends of the magnet steel fixing seat 22 respectively. The magnet steel fixing seat 22 is in a general strip shape and has an arc surface suitable for supporting the magnet steel. The magnet steel is placed on the magnet steel fixing seat 22 by artificial or mechanical hand and is driven by the lifting cylinders 21 to approach the rotor body.

[0026] Continuing to refer to Figure 1 The overturning structure 3 is installed on one side of the mounting rack 1. In one or more embodiments, the overturning structure 3 comprises an overturning motor 31 connected with the head end of the rotor body and a protractor 32 rotating synchronously with the head end. A motor seat for installing the overturning motor 31 is arranged on one side of the mounting rack 1. The overturning motor 31 is installed on the motor seat, and the motor shaft of the overturning motor 31 is opposite to the head end of the rotor body. Further, the motor shaft of the overturning motor 31 and the head end of the rotor body are connected through a connecting sleeve 33. The connecting sleeve 33 is sleeved on the circumferential outer side of the motor shaft and the head end of the rotor body. A groove is formed on the motor shaft, and a protrusion matched with the groove is arranged on the inner wall of the connecting sleeve 33. The groove and the protrusion are matched, so that the overturning motor 31 and the connecting sleeve 33 are fixedly connected, and further, the connecting sleeve 33 and the motor shaft of the overturning motor 31, the head end of the rotor body rotate synchronously. The connecting sleeve 33 is arranged in the bearing, and the connecting sleeve 33 and the mounting rack 1 are rotationally connected.

[0027] Figure 2 is Figure 1 is an enlarged schematic view of A in the figure, Figure 3 is a schematic view of the protractor and the contact switch in the cylindrical magnet steel rotor sticking and overturning tool. Figure 1 、 Figure 2 and Figure 3As shown, in one or more embodiments, the index plate 32 is mounted on the motor shaft of the overturning motor 31. The pressing shafts 34 are arranged on the index plate 32 in a uniform and spaced manner along the circumference of the index plate 32. Specifically, the index plate 32 is provided with accommodating grooves 321 corresponding to the pressing shafts 34, which extend along the thickness direction of the index plate 32. The pressing shafts 34 are arranged in the accommodating grooves 321 in a retractable manner, and one pressing shaft 34 is arranged in one corresponding accommodating groove 321. Further, the accommodating grooves 321 are arranged in a uniform and spaced manner along the circumference of the index plate 32, and the angle between adjacent accommodating grooves 321 is the same as the angle of one rotation of the overturning motor 31. For example, eight accommodating grooves 321 are provided, and the angle between adjacent accommodating grooves 321 is 45°. Further, a compression spring 35 is arranged in the accommodating groove 321, which is connected with the pressing shaft 34 to provide a pressing force for the pressing shaft 34. Further, a limiting groove is provided on the index plate 32 and connected with the accommodating groove 321. A limiting block 36 is provided on the pressing shaft 34 and matched with the limiting groove to prevent the rotation of the pressing shaft 34. Both the limiting groove and the accommodating groove 321 extend along the thickness direction of the index plate 32. A guide inclined surface 341 is provided on the pressing shaft 34. Further, a contact switch 37 is arranged on the mounting frame 1 and connected with the lifting cylinder 21, and the guide inclined surface 341 of the pressing shaft 34 faces the contact switch 37. For example, the contact switch 37 is a thin film switch. Further, the contact switch 37 is mounted on the mounting frame 1 through a mounting block 38. An arc-shaped guide sliding groove 381 matched with the pressing shaft 34 is provided on the mounting block 38, and the contact switch 37 is located at the middle position of the guide sliding groove 381. Further, the depth of the guide sliding groove 381 gradually decreases from both ends to the contact switch 37. Further, the lifting cylinder 21 is connected with a time delay device, so that the lifting cylinder 21 is controlled to descend after being lifted for a predetermined time. For example, the lifting cylinder 21 is controlled through an electromagnetic valve; the contact switch 37 is connected with the time delay device and the electromagnetic valve; and the time delay device is connected with the electromagnetic valve. When the contact switch 37 is pressed, the electromagnetic valve controls the lifting cylinder 21 to lift, and the time delay device starts to count down at the same time; after the countdown is completed, the time delay device sends a signal to control the electromagnetic valve to control the lifting cylinder 21 to descend; when the lifting cylinder 21 descends, the overturning motor 31 drives the rotor body to rotate, and the index plate 32 rotates accordingly until the next pressing shaft 34 presses the contact switch 37. Adding the time delay device in the control system of the cylinder is a conventional setting in the field, and the wiring diagram is not described here.

[0028] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A cylindrical magnetic steel rotor pasting and turning tool, characterized in that, The utility model relates to a rotor head lifting device, comprising: a mounting frame (1) adapted to form a rotary connection with the head end and tail end of a rotor body; a pasting structure (2) adapted to be installed below the rotor body; the pasting structure (2) comprises a lifting cylinder (21) and a magnet steel fixing seat (22) connected with the lifting cylinder (21) and adapted to support a magnet steel; a turnover structure (3) comprising a turnover motor (31) adapted to be connected with the head end and a protractor (32) rotating synchronously with the head end; a retractable pressing shaft (34) uniformly distributed along the circumference of the protractor (32) is arranged on the protractor (32), and a contact switch (37) corresponding to the pressing shaft (34) and linked with the lifting cylinder (21) is arranged on the mounting frame (1); the contact switch (37) is configured to lift the magnet steel fixing seat (22) by the lifting cylinder (21) when the pressing shaft (34) presses the contact switch (37).

2. The cylindrical magnetic steel rotor pasting and turning tooling according to claim 1, characterized in that, The lifting cylinder (21) is connected with a time delay device configured to control the lifting cylinder (21) to descend after lifting for a predetermined time.

3. The cylindrical magnetic steel rotor pasting and turning tooling according to claim 1, characterized in that, The contact switch (37) is installed on the mounting frame (1) through a mounting block (38), a guide sliding groove (381) matched with the pressing shaft (34) is formed on the mounting block (38), and a guide inclined surface (341) facing the contact switch (37) is formed on the pressing shaft (34).

4. The cylindrical magnetic steel rotor pasting and turning tooling according to claim 3, characterized in that, An accommodating groove (321) matched with the pressing shaft (34) is formed on the protractor (32), and a compression spring (35) connected with the pressing shaft (34) is arranged in the accommodating groove (321).

5. The cylindrical magnetic steel rotor pasting and turning tooling according to claim 4, characterized in that, A limiting groove connected with the accommodating groove (321) is formed on the protractor (32), a limiting block (36) matched with the limiting groove is arranged on the pressing shaft (34), and the accommodating groove (321) and the limiting groove extend along the thickness direction of the protractor (32).

6. The cylindrical magnetic steel rotor pasting and turning tooling according to claim 1, characterized in that, Further comprising a connecting sleeve (33) adapted to be sleeved outside the head end and rotate synchronously with the head end; the connecting sleeve (33) is fixedly connected with the turnover motor (31) and rotatably connected with the mounting frame (1).

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