Rotor sheet positioning tool

Abstract

A rotor piece positioning tool comprises a bottom plate, a plurality of first positioning columns, second positioning columns and third positioning columns are arranged on the bottom plate, when a workpiece is placed on the positioning tool, the outer edge of the workpiece is positioned between the first positioning columns, an inner hole of the workpiece is positioned on the outer side of the second positioning columns, and a key groove in one side of the inner hole is in positioning fit with the third positioning columns. The first positioning column, the second positioning column and the third positioning column are arranged on the bottom plate of the positioning tool, the first positioning column is used for positioning the outer edge of the workpiece, the second positioning column is used for positioning the inner hole of the workpiece, and the third positioning column is used for positioning the key groove of the workpiece, so that the workpiece is accurately positioned; the second positioning column and the third positioning column are connected through the connector, the structural stability of the positioning tool can be improved, then the key groove is effectively positioned, the punching quality of the rotor piece is improved, the positioning tool is simple in structure, only multiple positioning columns need to be arranged, the machining precision requirement is low, and therefore the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to a positioning tool, in particular to a rotor sheet positioning tool. Background Art

[0002] When the motor rotor sheet is undergoing the stamping process, it is necessary to pre-position the rotor sheet. Generally, the rotor sheet is positioned by a positioning tool. However, the existing positioning tool does not accurately position the rotor sheet, and the positioning of the rotor sheet has deviations, especially for rotor sheets with keyways. The keyway position is difficult to locate, which affects the quality of the stamping. Although some positioning tools can accurately position the rotor sheet, they have a complex structure and high processing accuracy requirements, so the manufacturing cost is relatively high.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a rotor sheet positioning tool with simple and reasonable structure, accurate positioning, low manufacturing cost and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A rotor sheet positioning tool designed for this purpose includes a base plate, and is characterized in that: a plurality of first positioning columns, second positioning columns, and third positioning columns are arranged on the base plate. When a workpiece is placed on the positioning tool, the outer edge of the workpiece is positioned between the first positioning columns, the inner hole of the workpiece is positioned on the outside of the second positioning columns, and the keyway on one side of the inner hole is positioned and matched with the third positioning column.

[0006] The bottom plate is provided with a plurality of adjustment slots, and the second positioning posts are movably adjusted and arranged on the adjustment slots.

[0007] An adjustment hole is arranged on the bottom plate, and the third positioning column is movably adjusted and arranged on the adjustment hole.

[0008] It also includes a connecting head. The second positioning column is provided with a first connecting column, and the connecting head is respectively plugged with each first connecting column.

[0009] A second connecting post is bent at the top end of the third positioning post, and the connecting head is plugged into the second connecting post.

[0010] A plurality of plugging holes are arranged on the bottom plate, and the first positioning posts are plugged into the plugging holes.

[0011] A first connecting plate is arranged at the bottom of the second positioning column, a first detachable connecting portion is arranged between the first connecting plate and the bottom plate, and the first connecting plate is fixedly connected to the bottom plate through the first detachable connecting portion.

[0012] A second connecting plate is arranged at the bottom of the third positioning column, a second detachable connecting portion is arranged between the second connecting plate and the bottom plate, and the second connecting plate is fixedly connected to the bottom plate through the second detachable connecting portion.

[0013] The first positioning column is located at the outer periphery of the bottom plate, and the second positioning column is located in the middle of the bottom plate.

[0014] More than four first positioning columns and second positioning columns are provided.

[0015] The utility model arranges a first positioning column, a second positioning column, and a third positioning column on the bottom plate of the positioning tool. The first positioning column is used to locate the outer edge of the workpiece, the second positioning column is used to locate the inner hole of the workpiece, and the third positioning column is used to locate the keyway of the workpiece, so as to accurately position the workpiece. The second positioning column and the third positioning column are connected by a connecting head, which can improve the structural stability of the positioning tool, and then effectively position the keyway, improve the stamping quality of the rotor sheet, and the positioning tool has a simple structure, only needs to be provided with a plurality of positioning columns, and the processing accuracy requirement is low, so the manufacturing cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the positioning tool in one embodiment of the utility model.

[0017] Figure 2 This is a cross-sectional view of a workpiece placed on a positioning fixture in one embodiment of the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] See also Figure 1-Figure 2 The rotor sheet positioning tool comprises a base plate 1, on which are arranged a plurality of first positioning columns 2, second positioning columns 3, and third positioning columns 4. When a workpiece 5 is placed on the positioning tool, the outer edge of the workpiece 5 is positioned between the first positioning columns 2, the inner hole 6 of the workpiece 5 is positioned on the outer side of the second positioning columns 3, and the keyway 7 on one side of the inner hole 6 is positioned and matched with the third positioning columns 4. The workpiece 5 is a rotor sheet.

[0020] A plurality of adjustment slots 15 are provided on the bottom plate 1 , and the second positioning column 3 is movably adjusted on the adjustment slot 15 to adjust the inner and outer positions of the second positioning column 3 on the bottom plate 1 to adapt to the inner holes 6 of different diameters.

[0021] An adjustment hole 8 is provided on the bottom plate 1 , and the third positioning column 4 is movably adjusted on the adjustment hole 8 to adjust the inner and outer positions of the third positioning column 4 on the bottom plate 1 to adapt to the inner holes 6 of different diameters.

[0022] It also includes a connecting head 9, and a first connecting column 10 is integrally provided on the top of the second positioning column 3. The connecting head 9 is respectively plugged into each first connecting column 10 (to connect the second positioning column 3 and the connecting head 9), so that the connecting head 9 and the second positioning column 3 can be disassembled from each other, thereby adjusting the inner and outer positions of the second positioning column 3 on the base plate 1. In addition, the connecting heads 9 of different lengths can be replaced to make the connecting heads 9 adapt to the second positioning columns 3 at different inner and outer positions; in addition, the first connecting column 10 and the connecting head 9 can be reinforced and connected by screws.

[0023] A second connecting column 11 is bent at the top end of the third positioning column 4, and the connecting head 9 is plugged into the second connecting column 11 (to connect the third positioning column 4 and the connecting head 9, and then connect the second positioning column 3 and the third positioning column 4), so that the connecting head 9 and the third positioning column 4 can be disassembled from each other, and then the inner and outer positions of the third positioning column 4 on the base plate 1 can be adjusted. In addition, the connecting heads 9 of different lengths can be replaced to make the connecting head 9 adapt to the third positioning column 4 at different inner and outer positions; in addition, the second connecting column 11 and the connecting head 9 can be reinforced and connected by screws; the connecting head 9 is a three-way connecting head, and the connecting head 9 is respectively connected to the third positioning column 4 and two second positioning columns 3.

[0024] A plurality of plugging holes 12 are provided on the bottom plate 1 , and the first positioning column 2 and the plugging holes 12 are plugged into each other so that the first positioning column 2 is fixed on the bottom plate 1 .

[0025] A first connecting plate 13 is provided at the bottom of the second positioning column 3, and a first disassembly connecting portion is provided between the first connecting plate 13 and the base plate 1. The first connecting plate 13 is fixedly connected to the base plate 1 through the first disassembly connecting portion, so that the second positioning column 3 is fixed to the base plate 1; after the second positioning column 3 is adjusted to the inner and outer positions on the base plate 1, it is fixed through the first disassembly connecting portion; the first disassembly connecting portion is a screw hole provided on the first connecting plate 13 and the base plate 1, and is fixed by screwing screws through the screw holes.

[0026] A second connecting plate 14 is provided at the bottom of the third positioning column 4, and a second disassembly connecting portion is provided between the second connecting plate 14 and the base plate 1. The second connecting plate 14 is fixedly connected to the base plate 1 through the second disassembly connecting portion, so that the third positioning column 4 is fixed to the base plate 1; after the third positioning column 4 is adjusted to the inner and outer positions on the base plate 1, it is fixed through the second disassembly connecting portion; the second disassembly connecting portion is a screw hole provided on the second connecting plate 14 and the base plate 1, and is fixed by screwing screws through the screw holes.

[0027] The first positioning column 2 is located at the outer periphery of the bottom plate 1 , and the second positioning column 3 is located in the middle of the bottom plate 1 .

[0028] Four first positioning columns 2 and second positioning columns 3 are provided, and the bottom plate 1 is a square plate, which is fixed to the stamping equipment by screws.

[0029] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotor plate positioning tool, comprising a base plate (1), characterized in that: A plurality of first positioning columns (2), second positioning columns (3), and third positioning columns (4) are arranged on the bottom plate (1); when the workpiece (5) is placed on the positioning fixture, the outer edge of the workpiece (5) is positioned between the first positioning columns (2), the inner hole (6) of the workpiece (5) is positioned outside the second positioning columns (3), and the keyway (7) on one side of the inner hole (6) is positioned and matched with the third positioning column (4).

2. The rotor piece positioning tool according to claim 1, characterized in that: A plurality of adjustment slots (15) are provided on the bottom plate (1), and the second positioning column (3) is movably and adjustably arranged on the adjustment slots (15).

3. The rotor piece positioning tool according to claim 2, characterized in that: An adjustment hole (8) is provided on the bottom plate (1), and the third positioning column (4) is movably and adjustably arranged on the adjustment hole (8).

4. The rotor piece positioning tool according to claim 1, characterized in that: It also comprises a connecting head (9), a first connecting column (10) is arranged on the second positioning column (3), and the connecting head (9) is respectively plugged into each of the first connecting columns (10).

5. The rotor piece positioning tool according to claim 4, characterized in that: A second connecting post (11) is bent at the top end of the third positioning post (4), and the connecting head (9) is plugged into the second connecting post (11).

6. The rotor piece positioning tool according to claim 1, characterized in that: A plurality of plugging holes (12) are provided on the bottom plate (1), and the first positioning column (2) and the plugging holes (12) are plugged into each other.

7. The rotor piece positioning tool according to claim 1, characterized in that: A first connecting plate (13) is provided at the bottom of the second positioning column (3), a first detachable connecting portion is provided between the first connecting plate (13) and the bottom plate (1), and the first connecting plate (13) is fixedly connected to the bottom plate (1) via the first detachable connecting portion.

8. The rotor piece positioning tool according to claim 1, characterized in that: A second connecting plate (14) is provided at the bottom of the third positioning column (4), a second detachable connecting portion is provided between the second connecting plate (14) and the bottom plate (1), and the second connecting plate (14) is fixedly connected to the bottom plate (1) via the second detachable connecting portion.

9. The rotor piece positioning tool according to claim 1, characterized in that: The first positioning column (2) is located on the outer periphery of the bottom plate (1), and the second positioning column (3) is located in the middle of the bottom plate (1).

10. The rotor piece positioning tool according to claim 1, characterized in that: More than four first positioning columns (2) and four second positioning columns (3) are provided.

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