Motor tool

Abstract

The utility model relates to the technical field of motor assembly, in particular to a motor tool which comprises a downward pressing tool and a triangular press-in tool, the downward pressing tool comprises a press-fitting supporting frame and a press-fitting platform, and the press-fitting platform is arranged on the press-fitting supporting frame; a lower pressing table is arranged on the press-fitting supporting frame, a machine base supporting frame is further fixedly installed at the bottom of the lower pressing table, and the triangular press-in tool is fixedly installed on the machine base supporting frame. According to the utility model, the special press-fitting tool and the special positioning tool are provided, and through a special assembly process, the assembly process of the motor is simplified, the standardization of the assembly process is improved, the manual adjustment time is shortened, and the production efficiency of batch production is improved.

Description

Technical Field

[0001] This utility model relates to the field of motor assembly technology, specifically to a motor tooling. Background Technology

[0002] With the continuous advancement of industrialization and automation, electric motors, as devices that convert electrical energy into mechanical energy, are widely used in various fields, such as industrial production, transportation, home appliances, and aerospace. The market demand for electric motors continues to grow, requiring not only higher performance and efficiency but also higher requirements for reliability, stability, and production efficiency. This has driven the continuous development and progress of motor assembly technology. A well-assembled motor can operate efficiently and stably, reducing the probability of failure and extending its service life. Therefore, motor assembly technology plays a crucial role in the motor manufacturing process.

[0003] Traditional motor assembly relies mainly on manual operation, which is labor-intensive and inefficient. Furthermore, the lack of dedicated motor assembly tooling and processes results in inconsistent assembly precision. The precision of motor assembly directly affects the motor's performance and reliability, and any minor error during the assembly process can lead to a decline in motor performance or even safety hazards. Therefore, providing dedicated tooling for motor assembly has become an urgent problem to be solved. Utility Model Content

[0004] The purpose of this utility model is to solve the problems in the background art and provide a motor tooling.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A motor tooling includes a pressing tool and a triangular pressing tool. The pressing tool includes a pressing support frame and a pressing platform. The pressing platform is disposed on the pressing support frame. A pressing table is disposed on the pressing support frame. A machine base support frame is also fixedly installed at the bottom of the pressing table. The triangular pressing tool is fixedly installed on the machine base support frame.

[0007] Preferably, both the pressing support frame and the pressing platform are provided with pressing tool support columns at their bottom for supporting the pressing tool. The pressing support frame is provided with a plurality of pressing guide columns. An upper platform is provided at the top of the pressing guide columns. The pressing platform is movably installed on the pressing guide columns. The movement of the pressing platform within the pressing guide columns can drive the machine base support frame to move together.

[0008] Preferably, the lower pressing platform is provided with a plurality of guide holes corresponding to the lower pressing guide column, a pressing handle is provided at the top of the lower pressing platform and extends out of the upper platform plate, a circular hole is provided in the center of the upper platform plate for the pressing handle to extend out, and a support frame locking part is also provided at the bottom of the lower pressing platform for locking and installing the machine base support frame.

[0009] Preferably, the base support frame includes a support frame mounting part and a downward pressing force application part, the support frame mounting part and the downward pressing force application part are fixedly connected perpendicularly to each other, and a downward pressing support rib is fixedly provided between the two to increase the strength of the base support frame, and the support frame mounting part and the support frame locking part are locked together.

[0010] Preferably, a plurality of locking threaded holes are symmetrically arranged at the center and both sides of the surface of the pressing force application part. The tooling installed on the pressing force application part can be adjusted in height through the locking threaded holes. Limiting blocks are also symmetrically arranged at the edges of both sides of the surface of the pressing force application part. The width between the limiting blocks is consistent with the width of the motor housing base.

[0011] Preferably, the triangular press-in fixture is installed on the downward pressing force application part. The triangular press-in fixture includes a triangular reinforcing rib. The two straight sides of the triangular reinforcing rib are provided with triangular rib thickening parts. The triangular rib thickening part on one of the straight sides is also provided with a triangular rib mounting hole corresponding to the locking thread hole at the center position of the downward pressing force application part.

[0012] Preferably, the pressing fixture includes a bearing pressing fixture and a rotor sleeve support fixture. The outer diameter of the bearing pressing fixture is consistent with the inner ring size of the bearings at both ends of the direct drive motor for bearing pressing. The outer diameter of the rotor sleeve support fixture is consistent with the outer diameter of the rotor sleeve of the direct drive motor. A stop is provided on one end face of the rotor sleeve support fixture, which cooperates with the stop on the end face of the rotor sleeve of the direct drive motor.

[0013] Preferably, the pressing fixture further includes a housing center positioning fixture and a rotor sleeve center positioning fixture. The outer diameter of the housing center positioning fixture is consistent with the housing size of the direct drive motor. One end of the housing center positioning fixture is provided with a protruding stop that mates with the end stop of the housing, and the other end is provided with a concave stop that mates with the stop on the rotor sleeve center positioning fixture. The rotor sleeve center positioning fixture includes a positioning base and a spindle fixing block. The spindle fixing block is composed of two symmetrical fixing blocks connected by a fixing connection, and a spindle fixing hole is provided between the spindle fixing blocks.

[0014] Preferably, the pressing fixture also includes a spindle pressing fixture and a nylon half fixture. The outer diameter of the spindle pressing fixture is larger than the outer diameter of the direct drive motor housing, and is used to press the spindle into the spindle fixing hole. The nylon half fixture consists of two identical fixtures locked together by threads. The outer diameter of the nylon half fixture is the same as the inner diameter of the stator in the housing. A spindle hole is also provided in the middle position for mounting and fixing on the spindle.

[0015] Preferably, the rotor sleeve center positioning fixture is also provided with a main shaft positioning support fixture. The main shaft positioning support fixture has a U-shaped hole on its side wall for observing the installation of the internal main shaft. A stop is also provided on the end face near the U-shaped hole to cooperate with the bearing outer cover stop on the front and rear end covers of the motor.

[0016] In summary, the beneficial effects of this utility model are as follows: The motor tooling described in this utility model provides dedicated pressing and positioning tooling, and through a dedicated assembly process, ensures the concentricity and air gap uniformity of key components such as the motor stator, rotor, housing, and front and rear bearings, significantly reducing assembly errors, avoiding problems such as uneven magnetic field distribution and vibration noise in direct-drive motors, simplifying the motor assembly process, improving the standardization of the assembly process, reducing manual adjustment time, and improving the production efficiency of mass production. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the pressing tool structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the back structure of the pressing tool of this utility model;

[0019] Figure 3 This is a schematic diagram of the bearing press-in tooling structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the rotor sleeve support and positioning fixture structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the housing center positioning tooling structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the spindle press-in fixture and rotor sleeve center positioning fixture of this utility model;

[0023] Figure 7 This is a schematic diagram of the nylon half-shaped tooling and spindle positioning support tooling structure of this utility model.

[0024] In the diagram, the markings are: 1-pressing fixture, 11-pressing support frame, 12-pressing platform, 13-pressing guide column, 14-upper plate, 15-pressing table, 151-guide hole, 152-pressing handle, 153-support frame locking part, 16-machine base support frame, 161-support frame mounting part, 162-pressing force application part, 163-pressing support rib, 164-locking threaded hole, 165-limiting block, 17-pressing fixture support column, 2-triangular press-in tool. 21-Triangular reinforcing rib, 22-Thickened triangular rib, 23-Triangular rib mounting hole, 3-Bearing press-in fixture, 4-Rotor sleeve support fixture, 5-Housing center positioning fixture, 6-Rotor sleeve center positioning fixture, 61-Positioning base, 62-Spindle fixing block, 63-Spindle positioning hole, 7-Spindle press-in fixture, 8-Nylon half fixture, 9-Spindle positioning support fixture, A-End cover, B-Bearing, C-Rotor sleeve, D-Spindle, E-Housing. Detailed Implementation

[0025] The following specific embodiments are merely explanations of this utility model and are not intended to limit it. After reading this specification, those skilled in the art can make modifications to these embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this utility model.

[0026] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] Example:

[0028] according to Figure 1 , Figure 2 As shown, a motor tooling is characterized by comprising a pressing tool 1 and a triangular pressing tool 2. The pressing tool 1 includes a pressing support frame 11 and a pressing platform 12, with the pressing platform 12 disposed on the pressing support frame 11. A pressing table 15 is disposed on the pressing support frame 11, and a base support frame 16 is fixedly installed at the bottom of the pressing table 15. The triangular pressing tool 2 is fixedly installed on the base support frame 16.

[0029] according to Figure 1 As shown, both the press support frame 11 and the press platform 12 are provided with press support columns 17 at the bottom for supporting the press tool 1. The press support frame 11 is provided with several press guide columns 13. The top of the press guide column 13 is provided with an upper plate 14. The press table 15 is movably installed on the press guide column 13. The press table 15 can move within the press guide column 13 and drive the machine base support frame 16 to move together.

[0030] according to Figure 2As shown, the lower pressure platform 15 is provided with a number of guide holes 151 corresponding to the lower pressure guide column 13. A pressure handle 152 is provided at the top of the lower pressure platform 15 and extends out of the upper platform plate 14. A round hole is provided in the center of the upper platform plate 14 for the pressure handle 152 to extend out. A support frame locking part 153 is also provided at the bottom of the lower pressure platform 15 for locking the mounting base support frame 16.

[0031] according to Figure 1 , Figure 2 As shown, the base support frame 16 includes a support frame mounting part 161 and a downward pressing force application part 162. The support frame mounting part 161 and the downward pressing force application part 162 are fixedly connected perpendicularly to each other. A downward pressing support rib 163 is also fixedly provided between the two to increase the strength of the base support frame 16. The support frame mounting part 161 and the support frame locking part 153 are locked together.

[0032] according to Figure 1 As shown, a number of locking threaded holes 164 are symmetrically arranged at the center and both sides of the surface of the pressing force application part 162. The tooling installed on the pressing force application part 162 can be adjusted in height by locking the threaded holes 164. Limiting blocks 165 are also symmetrically arranged at the edges on both sides of the surface of the pressing force application part 162. The width between the limiting blocks 165 is consistent with the width of the motor housing base.

[0033] according to Figure 1 As shown, the triangular press-in fixture 2 is installed on the pressing force application part 162. The triangular press-in fixture 2 includes a triangular reinforcing rib 21. The two straight sides of the triangular reinforcing rib 21 are provided with triangular rib thickening parts 22. The triangular rib thickening part 22 on one of the straight sides is also provided with a triangular rib mounting hole 23 corresponding to the locking thread hole 164 at the center position of the pressing force application part 162.

[0034] according to Figure 3 , Figure 4 As shown, the pressing fixture 1 includes a bearing pressing fixture 3 and a rotor sleeve support fixture 4. The outer diameter of the bearing pressing fixture 3 is consistent with the inner ring size of the bearings at both ends of the direct drive motor for bearing pressing. The outer diameter of the rotor sleeve support fixture 4 is consistent with the outer diameter of the rotor sleeve of the direct drive motor. A stop is provided on one end face of the rotor sleeve support fixture 4, which cooperates with the stop on the end face of the rotor sleeve of the direct drive motor.

[0035] according to Figure 5 , Figure 6As shown, the pressing fixture 1 also includes a housing center positioning fixture 5 and a rotor sleeve center positioning fixture 6. The outer diameter of the housing center positioning fixture 5 is consistent with the housing size of the direct drive motor. One end of the housing center positioning fixture 5 is provided with an outwardly protruding stop that mates with the end stop of the housing, and the other end is provided with an inwardly recessed stop that mates with the stop on the rotor sleeve center positioning fixture 6. The rotor sleeve center positioning fixture 6 includes a positioning base 61 and a spindle fixing block 62. The spindle fixing block 62 is composed of two symmetrical fixing blocks connected by a fixing connection. A spindle fixing hole 63 is provided between the spindle fixing blocks 62.

[0036] according to Figure 6 , Figure 7 As shown, the pressing fixture 1 also includes a spindle pressing fixture 7 and a nylon half fixture 8. The outer diameter of the spindle pressing fixture 7 is larger than the outer diameter of the direct drive motor housing, and is used to press the spindle into the spindle fixing hole 63. The nylon half fixture 8 is fixed by two identical fixtures locked together by threads. The outer diameter of the nylon half fixture 8 is consistent with the inner diameter of the stator in the housing. A spindle hole is also provided in the middle position for mounting and fixing on the spindle.

[0037] according to Figure 7 As shown, the rotor sleeve center positioning fixture 6 is also equipped with a spindle positioning support fixture 9. The spindle positioning support fixture 9 has a U-shaped hole on its side wall for observing the installation of the internal spindle. A stop is also provided on the end face near the U-shaped hole to cooperate with the bearing outer cover stop on the front and rear end covers of the motor.

[0038] according to Figures 3-7 As shown, an assembly process for a motor tooling includes the following steps:

[0039] S1. For the front and rear end cover assembly, after locking and fixing the outer bearing cover onto the front end cover A, place the front end cover on the pressing platform 12. Then, using the pressing tool 1 and the triangular pressing tool 2, press the bearing into the bearing chamber of the front end cover A through the bearing pressing tool 3. Finally, press the inner bearing cover into the bearing chamber to complete the installation of the front end cover A. Similarly, the installation method of the rear bearing cover is the same as that of the front end cover.

[0040] S2. The main shaft and rotor are assembled. Using the pressing tool 1 and the triangular pressing tool 2, the motor main shaft D is pressed into the motor rotor sleeve C through the rotor sleeve support tool 4.

[0041] S3. The front cover is assembled with the main shaft. Using the pressing tool 1 and the triangular pressing tool 2, the main shaft D with the rotor sleeve C installed is pressed into the bearing of the front cover A through the rotor sleeve support tool 4.

[0042] S4. Casing fixing: Using the pressing tool 1, the casing E is fixedly installed on the base support frame 16 of the pressing tool 1 through the casing center positioning tool 5 and the rotor sleeve center positioning tool 6, so that the centers of the casing E and the rotor sleeve center positioning tool 6 are aligned.

[0043] S5. The spindle and rotor sleeve center positioning fixture are assembled. Using the pressing fixture 1 and the housing E installed on the fixture, the spindle D with the front end cover A and rotor sleeve C is pressed into the spindle fixing hole 63 of the rotor sleeve center positioning fixture 7 through the spindle pressing fixture 7.

[0044] S6. Nylon half-fixture installation: Install the nylon half-fixture 8 on the other end of the spindle D.

[0045] S7. Install the spindle positioning support fixture. Raise part D of the spindle and place the spindle positioning support fixture 9 on the rotor sleeve center positioning fixture 6, so that the stop on the end face of the spindle positioning support fixture 9 matches the bearing cover on the spindle.

[0046] S8. Assembly of the housing and spindle components: Use the pressing tool 1 to press the housing E on the machine base support frame 16 onto the spindle D component and lock it in place.

[0047] S9. Assemble the housing and the rear cover. Use the pressing tool 1 and the triangular pressing tool 2 to press the rear cover A into the spindle D, and assemble and lock it with the housing E on the spindle D. The entire direct drive motor assembly is completed.

Claims

1. A motor tooling, characterized in that, It includes a pressing fixture (1) and a triangular pressing fixture (2). The pressing fixture (1) includes a pressing support frame (11) and a pressing platform (12). The pressing platform (12) is set on the pressing support frame (11). A pressing table (15) is set on the pressing support frame (11). A machine base support frame (16) is also fixedly installed at the bottom of the pressing table (15). The triangular pressing fixture (2) is fixedly installed on the machine base support frame (16).

2. The motor tooling according to claim 1, characterized in that, The bottom of both the press-fit support frame (11) and the press-fit platform (12) is provided with a press-fit support column (17) for supporting the press-fit tool (1). The press-fit support frame (11) is provided with a plurality of press-fit guide columns (13). The top of the press-fit guide column (13) is provided with an upper plate (14). The press-fit platform (15) is movably installed on the press-fit guide column (13). The press-fit platform (15) can move within the press-fit guide column (13) and drive the machine base support frame (16) to move together.

3. The motor tooling according to claim 2, characterized in that, The lower pressure platform (15) is provided with a plurality of guide holes (151) corresponding to the lower pressure guide column (13). A pressure handle (152) is provided at the top of the lower pressure platform (15) and extends out of the upper platform plate (14). A circular hole is provided in the center of the upper platform plate (14) for the pressure handle (152) to extend out. A support frame locking part (153) is also provided at the bottom of the lower pressure platform (15) for locking and installing the machine base support frame (16).

4. The motor tooling according to claim 3, characterized in that, The base support frame (16) includes a support frame mounting part (161) and a downward pressure application part (162). The support frame mounting part (161) and the downward pressure application part (162) are vertically fixedly connected to each other. A downward pressure support rib (163) is also fixedly provided between them to increase the strength of the base support frame (16). The support frame mounting part (161) and the support frame locking part (153) are locked together.

5. The motor tooling according to claim 4, characterized in that, The surface of the pressing force application part (162) is symmetrically arranged with a plurality of locking thread holes (164) at the center and both sides. The tooling installed on the pressing force application part (162) can be adjusted in height through the locking thread holes (164). Limiting blocks (165) are also symmetrically arranged at the edges on both sides of the surface of the pressing force application part (162). The width between the limiting blocks (165) is consistent with the width of the motor housing base.

6. The motor tooling according to claim 5, characterized in that, The triangular press-in fixture (2) is installed on the downward pressing force application part (162). The triangular press-in fixture (2) includes a triangular reinforcing rib (21). The two straight sides of the triangular reinforcing rib (21) are provided with triangular rib thickening parts (22). The triangular rib thickening part (22) on one of the straight sides is also provided with a triangular rib mounting hole (23) corresponding to the locking thread hole (164) at the center position of the downward pressing force application part (162).

7. The motor tooling according to claim 1, characterized in that, The pressing fixture (1) includes a bearing pressing fixture (3) and a rotor sleeve support fixture (4). The outer diameter of the bearing pressing fixture (3) is consistent with the inner ring size of the bearing at both ends of the direct drive motor for bearing pressing. The outer diameter of the rotor sleeve support fixture (4) is consistent with the outer diameter of the rotor sleeve of the direct drive motor. A stop is provided on one end of the rotor sleeve support fixture (4) and it cooperates with the stop on the end face of the rotor sleeve of the direct drive motor.

8. The motor tooling according to claim 1, characterized in that, The pressing fixture (1) also includes a housing center positioning fixture (5) and a rotor sleeve center positioning fixture (6). The outer diameter of the housing center positioning fixture (5) is consistent with the housing size of the direct drive motor. One end of the housing center positioning fixture (5) is provided with an outwardly protruding stop that cooperates with the end stop of the housing, and the other end is provided with an inwardly concave stop that cooperates with the stop on the rotor sleeve center positioning fixture (6). The rotor sleeve center positioning fixture (6) includes a positioning base (61) and a spindle fixing block (62). The spindle fixing block (62) is composed of two symmetrical fixing blocks connected by a fixing connection. A spindle fixing hole (63) is provided between the spindle fixing blocks (62).

9. A motor tooling according to claim 8, characterized in that, The pressing fixture (1) also includes a spindle pressing fixture (7) and a nylon half fixture (8). The outer diameter of the spindle pressing fixture (7) is larger than the outer diameter of the direct drive motor housing, and is used to press the spindle into the spindle fixing hole (63). The nylon half fixture (8) is fixed by two identical fixtures locked by threads. The outer diameter of the nylon half fixture (8) is consistent with the inner diameter of the stator in the housing. A spindle hole is also provided in the middle position for installation and fixing on the spindle.

10. A motor tooling according to claim 8, characterized in that, The rotor sleeve center positioning fixture (6) is also provided with a main shaft positioning support fixture (9). The main shaft positioning support fixture (9) has a U-shaped hole on its side wall for observing the installation of the internal main shaft. A stop is also provided on the end face near the U-shaped hole to cooperate with the bearing outer cover stop on the front and rear end covers of the motor.

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