Flatness detection device for motor rotor shell

Abstract

The utility model discloses a motor rotor housing flatness detection device, which comprises a base and a support block, the support block is arranged on the base, the top of the support block is provided with a fixing disc, the fixing disc is of a stepped shaft structure, the middle position of the bottom of the fixing disc is provided with a mounting groove, a positioning disc is arranged in the mounting groove, and the positioning disc is provided with a positioning hole. The fixed plate is sleeved with a rotating plate, a rotating hole is formed in the middle of the rotating plate, the top of the fixed plate penetrates through the rotating hole and is flush with the top of the rotating plate, a mounting hole is formed in the bottom of the rotating plate, and a bearing is arranged in the mounting hole. In the rotating process of the rotor shell, the bottom of the rotor shell makes contact with the detection head of the dial indicator, when the bottom of the rotor shell is uneven, the pointer of the dial indicator rotates greatly, whether the flatness of the bottom of the rotor shell is qualified or not is detected through the change of the dial indicator, operation is easy and convenient, and the detection efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a device for detecting the flatness of a motor rotor shell. Background Art

[0002] When processing parts, the processing accuracy of the parts will directly affect the use of the parts in the entire equipment. Therefore, the dimensional accuracy requirements for the parts are very high. Therefore, the parts need to be accurately inspected after processing. For workpiece planes with flatness requirements, it is usually necessary to inspect the relevant planes to screen out defective products, thereby ensuring the quality of the finished product.

[0003] When using current workpiece flatness detection equipment, the sensor or dial indicator used for detection cannot always remain perpendicular to the detection plane of the workpiece to be detected, which will affect the detection results. In addition, the deviation of the detection plane of the workpiece to be detected during the detection process will also affect the detection accuracy.

[0004] Therefore, it is necessary to provide a motor rotor housing flatness detection device to solve the above technical problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a device for detecting the flatness of a motor rotor housing, so as to solve the problems raised in the above-mentioned background technology.

[0006] The top of the fixing plate is provided with a toothed structure, and the fixing plate is fixed with a toothed structure so as to be fixed with a toothed structure and to prevent the toothed structure from being damaged.

[0007] As an optimal technical solution of the present invention, four first threaded holes are provided on the base, and first countersunk holes are provided at the four corners of the bottom of the support block. The four first countersunk holes are respectively opened opposite to the four first threaded holes. A third screw is provided in the first countersunk hole, and the threaded portion of the third screw is screwed into the first threaded hole.

[0008] As an optimal technical solution of the present utility model, the cross-sectional structure of the support block is I-shaped, and second countersunk holes are provided at the four corners of the top of the support block. A card slot is provided in the middle position of the bottom of the fixed plate. The card slot structure is square, and the shape of the card slot is adapted to the shape of the top of the support block. The top of the support block is clamped in the card slot, and fourth threaded holes are provided at the four corners of the bottom of the card slot. The four fourth threaded holes are respectively opposite to the four second countersunk holes. A second screw is provided in the second countersunk hole, and the threaded portion of the second screw is screwed into the fourth threaded hole.

[0009] As a preferred technical solution of the present utility model, a third threaded hole is provided at the bottom center of the mounting groove, two first insertion holes are provided at the bottom of the mounting groove, and the two first insertion holes are symmetrically distributed about the center of the third threaded hole. A third countersunk hole is provided in the middle of the positioning plate, and a first screw is provided in the third countersunk hole. The threaded portion of the first screw is screwed into the third threaded hole, and a positioning column is inserted into the first insertion hole. Two positioning holes are provided on the upper surface of the positioning plate, and the top of the positioning column is inserted into the positioning hole.

[0010] As a preferred technical solution of the present invention, a placement groove is provided on the upper surface of the rotor housing, a through hole is provided at the bottom of the placement groove, and the shape of the through hole is adapted to the shape of the positioning plate.

[0011] As an optimal technical solution of the present invention, two third holes are opened on the top of the turntable, and limiting columns are inserted into the third holes. Six limiting holes are evenly opened at the bottom of the placement groove. The diameter of the limiting holes is the same as the diameter of the limiting columns, and six cutting grooves are evenly opened at the bottom of the placement groove.

[0012] As a preferred technical solution of the present invention, two second threaded holes are provided on the base, and a fourth screw is provided on the connecting frame, and the threaded portion of the fourth screw is screwed into the second threaded hole.

[0013] As a preferred technical solution of the present invention, a handle head is provided at the end of the fixing rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model discloses a motor rotor shell flatness detection device, which positions and installs the rotor shell by installing a limit column and a positioning plate on a turntable, and inserts the through hole and the limit hole of the rotor shell into the positioning plate and the limit column respectively, so as to complete the positioning of the rotor shell. The utility model has the advantages of convenient and fast installation, firm installation and accurate positioning. The bottom of the rotor shell fits with the top of the turntable after installation without offset. The dial indicator is inserted into the second insertion hole, and the top of the detection head of the dial indicator is flush with the top of the fixed plate. The fixing rod is manually pushed to make the rotor shell rotate with the turntable. During the rotation of the rotor shell, the bottom of the rotor shell contacts the detection head of the dial indicator. When the bottom of the rotor shell is uneven, the pointer of the dial indicator rotates greatly. The flatness of the bottom of the rotor shell is detected by the change of the dial indicator. The utility model has the advantages of simple and convenient operation, high detection accuracy and high detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is the main view of the overall structure of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is an exploded front view of the overall structure of the utility model;

[0020] Figure 4 This is a three-dimensional exploded schematic diagram of the overall structure of the utility model;

[0021] Figure 5 It is a three-dimensional schematic diagram of the support block structure of the utility model;

[0022] Figure 6 It is a three-dimensional schematic diagram of the fixed disk structure of the utility model;

[0023] Figure 7 This is a three-dimensional schematic diagram of the turntable structure of the utility model;

[0024] Figure 8 It is a three-dimensional schematic diagram of the rotor housing structure of the utility model;

[0025] Figure 9 It is a three-dimensional schematic diagram of the positioning plate structure of the utility model.

[0026] In the figure: 1. base; 101. first threaded hole; 102. second threaded hole; 2. support block; 201. first countersunk hole; 202. second countersunk hole; 3. fixing plate; 31. mounting slot; 32. third threaded hole; 33. first plug hole; 34. second plug hole; 35. slot; 36. fourth threaded hole; 4. turntable; 41. rotating hole; 42. third plug hole; 43. mounting hole; 44. fourth plug hole; 5. rotor housing; 51. placement slot; 52. through hole; 53. limiting hole; 54. cutting slot; 6. dial indicator; 7. connecting frame; 8. fixing rod; 9. handle head; 10. limiting column; 11. positioning plate; 111. third countersunk hole; 112. positioning hole; 12. positioning column; 13. first screw; 14. second screw; 15. third screw; 16. fourth screw. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention with reference to the accompanying drawings. In the process, to ensure clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.

[0028] In addition, the following terms are defined based on the functions of the present invention and may vary depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire content of this specification.

[0029] like Figures 1 to 9 As shown, a motor rotor housing flatness detection device includes a base 1 and a support block 2, the base 1 is provided with four first threaded holes 101, the four corners of the bottom of the support block 2 are provided with first countersunk holes 201, the four first countersunk holes 201 are respectively opened opposite the four first threaded holes 101, a third screw 15 is provided in the first countersunk hole 201, the threaded portion of the third screw 15 is screwed into the first threaded hole 101 to lock the support block 2 on the base 1, the cross-sectional structure of the support block 2 is an I-shaped, and the four corners of the top of the support block 2 are provided with second countersunk holes 2 02. A fixing plate 3 is provided on the top of the support block 2. A slot 35 is provided in the middle of the bottom of the fixing plate 3. The slot 35 is square in structure, and the shape of the slot 35 is adapted to the shape of the top of the support block 2. The top of the support block 2 is clamped in the slot 35. Fourth threaded holes 36 are provided at the four corners of the bottom of the slot 35. The four fourth threaded holes 36 are respectively opposite to the four second countersunk holes 202. A second screw 14 is provided in the second countersunk hole 202. The threaded portion of the second screw 14 is screwed into the fourth threaded hole 36 to lock the fixing plate 3 to the top of the support block 2.

[0030] like Figure 6 and Figure 7As shown, as shown, the structure of the fixed disk 3 is a stepped shaft, and a mounting groove 31 is provided in the middle position of the bottom of the fixed disk 3, and a third threaded hole 32 is provided in the center of the bottom of the mounting groove 31, and two first plug holes 33 are provided at the bottom of the mounting groove 31, and the two first plug holes 33 are symmetrically distributed about the center of the third threaded hole 32, and a positioning disk 11 is provided in the mounting groove 31, and a third countersunk hole 111 is provided in the middle of the positioning disk 11, and a first screw 13 is provided in the third countersunk hole 111, and the threaded portion of the first screw 13 is screwed into the third threaded hole 32 to lock and fix the positioning disk 11, and a positioning column 12 is inserted into the first plug hole 33, and two positioning holes 112 are provided on the upper surface of the positioning disk 11, and the top of the positioning column 12 is inserted in the positioning The positioning plate 11 is conveniently installed by cooperating with the positioning column 12 and the positioning hole 112 in the hole 112. The fixed plate 3 is sleeved with a turntable 4. The middle part of the turntable 4 is provided with a rotating hole 41. The top of the fixed plate 3 passes through the rotating hole 41 and is flush with the top of the turntable 4. The bottom of the turntable 4 is provided with a mounting hole 43. A bearing is provided in the mounting hole 43. The upper end of the fixed plate 3 is sleeved in the inner ring of the bearing. The turntable 4 rotates around the fixed plate 3 through the bearing. Two fourth holes 44 are provided on the outer circumference of the turntable 4, and a fixing rod 8 is provided in the fourth hole 44. A handle head 9 is provided at the end of the fixing rod 8. Two third holes 42 are provided on the top of the turntable 4, and a limiting column 10 is inserted in the third hole 42. A rotor housing 5 is provided on the top of the turntable 4.

[0031] like Figure 5 As shown, a placement groove 51 is provided on the upper surface of the rotor housing 5, and a through hole 52 is provided at the bottom of the placement groove 51. The shape of the through hole 52 is adapted to the shape of the positioning plate 11. Six limiting holes 53 are evenly provided at the bottom of the placement groove 51. The diameter of the limiting hole 53 is the same as the diameter of the limiting column 10, which is convenient for installing and positioning the rotor housing 5. Six cutting grooves 54 are evenly provided at the bottom of the placement groove 51.

[0032] A second insertion hole 34 is provided on the fixing plate 3, and a dial indicator 6 is inserted into the second insertion hole 34. Two second threaded holes 102 are provided on the base 1. A connecting frame 7 is provided on the base 1, and a fourth screw 16 is provided on the connecting frame 7. The threaded portion of the fourth screw 16 is screwed into the second threaded hole 102 to lock the connecting frame 7 on the base 1. A groove is provided on the top of the connecting frame 7, and the dial indicator 6 is snapped into the groove.

[0033] The specific implementation method is as follows: the rotor housing 5 is positioned and installed by installing the limit column 10 and the positioning plate 11 on the turntable 4, and the through hole 52 and the limit hole 53 of the rotor housing 5 are respectively inserted into the positioning plate 11 and the limit column 10 to complete the positioning of the rotor housing 5. The installation is convenient and fast. The bottom of the installed rotor housing 5 is fitted with the top of the turntable 4, the dial indicator 6 is inserted into the second socket 34, and the top of the detection head of the dial indicator 6 is flush with the top of the fixed plate 3, and the fixing rod 8 is manually pushed to make the rotor housing 5 rotate with the turntable 4. During the rotation of the rotor housing 5, the bottom of the rotor housing 5 contacts the detection head of the dial indicator 6. When the bottom of the rotor housing 5 is uneven, the pointer of the dial indicator 6 rotates significantly. The flatness of the bottom of the rotor housing 5 is detected by the change of the dial indicator 6. The operation is simple and convenient, and the detection efficiency is high.

[0034] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A motor rotor housing flatness detection device, comprising a base (1) and a support block (2), wherein the support block (2) is arranged on the base (1), and is characterized in that: A fixed disk (3) is provided on the top of the support block (2), and the fixed disk (3) is a stepped shaft. A mounting groove (31) is provided at the middle position of the bottom of the fixed disk (3), and a positioning disk (11) is provided in the mounting groove (31). A rotating disk (4) is sleeved on the fixed disk (3), and a rotating hole (41) is provided in the middle of the rotating disk (4). The top of the fixed disk (3) passes through the rotating hole (41) and is flush with the top of the rotating disk (4). A mounting hole (43) is provided at the bottom of the rotating disk (4), and a positioning disk (11) is provided in the mounting hole (43). A bearing is provided, the upper end of the fixed disk (3) is sleeved in the inner ring of the bearing, two fourth insertion holes (44) are provided on the outer circumference of the rotating disk (4), a fixing rod (8) is provided in the fourth insertion hole (44), a rotor housing (5) is provided on the top of the rotating disk (4), a second insertion hole (34) is provided on the fixed disk (3), a dial indicator (6) is inserted in the second insertion hole (34), a connecting frame (7) is provided on the base (1), a groove is provided on the top of the connecting frame (7), and the dial indicator (6) is clamped in the groove.

2. The motor rotor housing flatness detection device according to claim 1, characterized in that: Four first threaded holes (101) are provided on the base (1), and first countersunk holes (201) are provided at four corners of the bottom of the support block (2). The four first countersunk holes (201) are respectively provided opposite to the four first threaded holes (101). A third screw (15) is provided in the first countersunk hole (201), and the threaded portion of the third screw (15) is screwed into the first threaded hole (101).

3. The motor rotor housing flatness detection device according to claim 1, characterized in that: The cross-sectional structure of the support block (2) is an I-shaped structure. The four corners of the top of the support block (2) are each provided with a second countersunk hole (202). The middle position of the bottom of the fixed plate (3) is provided with a slot (35). The slot (35) is square in structure, and the shape of the slot (35) is adapted to the shape of the top of the support block (2). The top of the support block (2) is snapped into the slot (35). The four corners of the bottom of the slot (35) are each provided with a fourth threaded hole (36). The four fourth threaded holes (36) are respectively opposite to the four second countersunk holes (202). The second countersunk hole (202) is provided with a second screw (14). The threaded portion of the second screw (14) is screwed into the fourth threaded hole (36).

4. The motor rotor housing flatness detection device according to claim 1, characterized in that: A third threaded hole (32) is provided at the center of the bottom of the mounting groove (31), two first insertion holes (33) are provided at the bottom of the mounting groove (31), and the two first insertion holes (33) are symmetrically distributed about the center of the third threaded hole (32). A third countersunk hole (111) is provided in the middle of the positioning plate (11), a first screw (13) is provided in the third countersunk hole (111), the threaded portion of the first screw (13) is screwed into the third threaded hole (32), a positioning column (12) is inserted into the first insertion hole (33), and two positioning holes (112) are provided on the upper surface of the positioning plate (11), and the top of the positioning column (12) is inserted into the positioning hole (112).

5. The motor rotor housing flatness detection device according to claim 1, characterized in that: A placement groove (51) is provided on the upper surface of the rotor housing (5), a through hole (52) is provided at the bottom of the placement groove (51), and the shape of the through hole (52) is adapted to the shape of the positioning plate (11).

6. The motor rotor housing flatness detection device according to claim 5, characterized in that: Two third insertion holes (42) are provided on the top of the turntable (4), and the limiting columns (10) are inserted into the third insertion holes (42). Six limiting holes (53) are evenly provided on the bottom of the placement groove (51), and the diameter of the limiting holes (53) is the same as the diameter of the limiting columns (10). Six cutting grooves (54) are evenly provided on the bottom of the placement groove (51).

7. The motor rotor housing flatness detection device according to claim 1, characterized in that: Two second threaded holes (102) are provided on the base (1), and a fourth screw (16) is provided on the connecting frame (7), and the threaded portion of the fourth screw (16) is screwed into the second threaded hole (102).

8. The motor rotor housing flatness detection device according to claim 1, characterized in that: The end of the fixing rod (8) is provided with a handle head (9).

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