Abrasion resistance testing equipment for aluminum alloy casting for motor

Abstract

The utility model discloses equipment for testing the wear resistance of an aluminum alloy casting for a motor, which relates to the technical field of motor production, and adopts the technical scheme that the equipment comprises a bottom plate, the top of the bottom plate is fixedly connected with a shell, and the top of the bottom plate is also fixedly connected with a U-shaped frame; the base is arranged in the shell, a placement table is fixedly connected to the top of the base, a first cavity is formed in the placement table, three grooves which are uniformly distributed in a circumferential shape are further formed in the placement table, and supporting blocks are fixedly connected to the interiors of the three grooves; the end cover casting fixing device has the advantages that the three threaded rods rotate at the same time so that the three threaded blocks can move towards the middle, the three clamping rods can move towards the middle synchronously, then an end cover casting body is placed in the three clamping rods to be fixed, and three-point fixing is adopted during fixing. In this way, the fixing effect can be improved, fixing is easy and convenient, and only the threaded rod needs to be rotated.

Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing technology, specifically to a wear resistance testing device for aluminum alloy castings used in motors. Background Technology

[0002] The end cap of the motor is produced by casting. After the end cap is produced by casting, it needs to be tested for wear resistance, which requires the use of wear resistance testing equipment.

[0003] Existing abrasion resistance testing equipment is found to be inconvenient to fix the end caps during use. Moreover, the round shape of the end caps makes it easy for unstable clamping to occur during fixation, which in turn prevents the abrasion resistance test from being carried out normally. Therefore, improvements are needed.

[0004] Therefore, it is necessary to invent a device for testing the wear resistance of aluminum alloy castings for motors. Summary of the Invention

[0005] Therefore, this utility model provides a wear resistance testing device for aluminum alloy castings for motors to solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wear resistance testing device for aluminum alloy castings used in motors, comprising:

[0007] A base plate, the top of which is fixedly connected to an outer shell, and a U-shaped frame is also fixedly connected to the top of the base plate;

[0008] The base is located inside the outer shell. A placement platform is fixedly connected to the top of the base. A cavity is formed on the placement platform. Three grooves are also formed on the placement platform in a circumferentially evenly distributed manner. A support block is fixedly connected inside each of the three grooves.

[0009] The threaded rod is configured as three, and the three threaded rods are respectively embedded in three support blocks. The inner ends of the three threaded rods extend into the cavity. The outer sides of the three threaded rods are fitted with threaded blocks. The threaded blocks are connected to the threaded rods by threads. The inner sides of the three threaded blocks are fixedly connected with clamping rods. The inner sides of the three clamping rods are provided with end cap casting bodies.

[0010] A column is fixedly connected inside a cavity. A bevel gear is fitted on the column and the two are connected by a bearing. The top of the bevel gear is provided with three bevel gears that mesh with it. The three bevel gears are fixedly connected to the inner ends of three threaded rods respectively.

[0011] Preferably, all three clamps are in sliding contact with the top of the placement platform, and the three threaded blocks are respectively slidably disposed in the three grooves.

[0012] Preferably, a knob is fixedly connected to the front end of one of the threaded rods.

[0013] Preferably, a motor is fixedly connected to one side of the housing, and two reciprocating screws are embedded on the other side of the housing. Both reciprocating screws pass through the other side of the housing, and one of the reciprocating screws is fixedly connected to the output shaft of the motor. Sliding seats are fitted on the outside of both reciprocating screws. The sliding seats are connected to the reciprocating screws through a ball screw pair, and both sliding seats are fixedly embedded on the base.

[0014] Preferably, each of the two reciprocating screws is fitted with a sprocket, and the two sprockets are fitted with a chain. The two sprockets are connected by a chain drive, and the reciprocating screws are connected to the housing by bearings.

[0015] Preferably, four electric push rods are fixedly embedded in the top of the U-shaped frame, and a movable plate is fixedly connected to the bottom of the four electric push rods. A second motor is fixedly connected to the top of the movable plate, and a first rotating shaft is fixedly connected to the output shaft of the second motor. The first rotating shaft passes through the movable plate, and a grinding block is fixedly connected to the bottom of the first rotating shaft. The first rotating shaft and the movable plate are connected by a bearing.

[0016] Preferably, the inner walls of both the front and rear sides of the U-shaped frame are fixedly connected with limit rods, and both limit rods penetrate the moving plate and slide in contact with it.

[0017] Preferably, a guide rod is fixedly connected inside the outer casing, and the guide rod passes through the base and slides in contact with it.

[0018] Preferably, support legs are fixedly connected to the four corners of the bottom of the base plate.

[0019] Preferably, the threaded rod is connected to the placement platform and the support block via bearings.

[0020] The beneficial effects of this utility model are:

[0021] This utility model incorporates three threaded rods, three threaded blocks, three locking rods, a first bevel gear, and three second bevel gears meshing with the first bevel gear. In use, rotating one threaded rod causes all three to rotate simultaneously, moving the three threaded blocks towards the center, which in turn causes the three locking rods to move synchronously towards the center. The end cap casting body is then placed among the three locking rods for fixation. The three-point fixing method enhances the fixation effect and is simple and convenient, requiring only the rotation of the threaded rods. Attached Figure Description

[0022] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0023] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0024] Figure 1 A schematic diagram of the overall structure of this utility model;

[0025] Figure 2 The main sectional view provided for this utility model;

[0026] Figure 3 A side sectional view provided for this utility model;

[0027] Figure 4 A perspective view of the components such as the placement platform, threaded rod, and threaded block provided by this utility model;

[0028] Figure 5 Provided by this utility model Figure 4 Exploded 3D view;

[0029] Figure 6 Provided by this utility model Figure 5 A three-dimensional image viewed from below;

[0030] In the diagram: 1. Base plate; 2. Outer shell; 3. U-shaped frame; 4. Base; 5. Placement platform; 6. Support block; 7. Threaded rod; 8. Threaded block; 9. Clamping rod; 10. End cap casting body; 11. Column; 12. Bevel gear one; 13. Bevel gear two; 14. Knob; 15. Motor one; 16. Reciprocating screw; 17. Sliding seat; 18. Sprocket; 19. Chain; 20. Electric push rod; 21. Moving plate; 22. Motor two; 23. Rotating shaft one; 24. Grinding block; 25. Limiting rod; 26. Guide rod; 27. Support leg. Detailed Implementation

[0031] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0032] See attached document Figure 1 - Appendix Figure 6 This utility model provides a wear resistance testing device for aluminum alloy castings used in motors, comprising:

[0033] The base plate 1 has an outer shell 2 fixedly connected to its top, and a U-shaped frame 3 is also fixedly connected to its top.

[0034] The base 4 is located inside the outer shell 2. A placement platform 5 is fixedly connected to the top of the base 4. A cavity is opened on the placement platform 5. Three grooves are also opened on the placement platform 5 in a circumferentially evenly distributed manner. A support block 6 is fixedly connected inside each of the three grooves.

[0035] Three threaded rods 7 are provided, and the three threaded rods 7 are respectively embedded in three support blocks 6. The inner ends of the three threaded rods 7 extend into the cavity 1. Threaded blocks 8 are sleeved on the outside of the three threaded rods 7. The threaded blocks 8 are connected to the threaded rods 7 by threads. Clamping rods 9 are fixedly connected to the inner side of the three threaded blocks 8. End cap casting body 10 is provided on the inner side of the three clamping rods 9.

[0036] The column 11 is fixedly connected inside the cavity 1. A bevel gear 12 is sleeved on the column 11 and the two are connected by a bearing. The top of the bevel gear 12 is provided with three bevel gears 13 that mesh with it. The three bevel gears 13 are fixedly connected to the inner ends of the three threaded rods 7 respectively.

[0037] All three levers 9 slide in contact with the top of the placement platform 5, and the three threaded blocks 8 are slidably set in the three grooves respectively. A knob 14 is fixedly connected to the front end of one of the threaded rods 7.

[0038] In this embodiment, the three threaded rods 7 rotate simultaneously, which allows the three threaded blocks 8 to move towards the center, thereby causing the three locking rods 9 to move towards the center synchronously. Then, the end cap casting body 10 can be fixed by placing it in the three locking rods 9.

[0039] To achieve the continuous left-right movement of the placement platform 5, the device employs the following technical solution: a motor 15 is fixedly connected to one side of the outer casing 2, and two reciprocating screws 16 are embedded on the other side of the outer casing 2. Both reciprocating screws 16 pass through the other side of the outer casing 2, and one of the reciprocating screws 16 is fixedly connected to the output shaft of the motor 15. Sliding seats 17 are fitted on the outside of both reciprocating screws 16, and the sliding seats 17 are connected to the reciprocating screws 16 through a ball screw pair. Both sliding seats 17 are fixedly embedded on the base 4. Sprockets 18 are fitted on the outside of both reciprocating screws 16, and chains 19 are fitted on the outside of both sprockets 18. The two sprockets 18 are driven by the chains 19. The reciprocating screws 16 are connected to the outer casing 2 through bearings. The design of components such as the motor 15, reciprocating screws 16, sliding seats 17, sprockets 18, and chains 19 enables the placement platform 5 to move continuously left and right.

[0040] To enhance the testing effect, the device employs the following technical solution: Four electric push rods 20 are fixedly embedded at the top of the U-shaped frame 3. A movable plate 21 is fixedly connected to the bottom of the four electric push rods 20. A second motor 22 is fixedly connected to the top of the movable plate 21. A rotating shaft 23 is fixedly connected to the output shaft of the second motor 22. The rotating shaft 23 passes through the movable plate 21, and a grinding block 24 is fixedly connected to the bottom of the rotating shaft 23. The rotating shaft 23 and the movable plate 21 are connected via bearings. By controlling the four electric push rods 20, the movable plate 21 and its components move downwards, allowing the grinding block 24 to contact the top of the end cap casting body 10, which moves left and right continuously. This enables wear resistance testing. Simultaneously, the second motor 22 can be controlled to rotate, causing the rotating shaft 23 and the grinding block 24 to rotate, thereby enhancing the testing effect.

[0041] In order to achieve the purpose of stable movement of the movable plate 21 and the base 4, the device adopts the following technical solution: the inner walls of the front and rear sides of the U-shaped frame 3 are fixedly connected with limit rods 25, both limit rods 25 penetrate the movable plate 21 and slide in contact with it, and the outer shell 2 is fixedly connected with a guide rod 26, which penetrates the base 4 and slides in contact with it. The limit rods 25 can make the movable plate 21 move stably, and the guide rods 26 can make the base 4 move stably.

[0042] In order to support the device, the device adopts the following technical solution: support legs 27 are fixedly connected to the four corners of the bottom of the base plate 1, and the support legs 27 can support the device.

[0043] In order to reduce wear, the device adopts the following technical solution: the threaded rod 7 is connected to the placement platform 5 and the support block 6 through bearings, which can reduce wear.

[0044] The usage process of this utility model is as follows: After the end cover of the motor is produced, when it needs to be tested for wear resistance, the end cover casting body 10 is placed on the placement platform 5. In this way, the end cover casting body 10 can be located between the three locking rods 9. Then, the knob 14 is turned to make the front threaded rod 7 rotate. The rotation of the front threaded rod 7 drives the front bevel gear 13 to rotate, which in turn makes the bevel gear 12 rotate. Then, it can drive the other two bevel gears 13 and the two threaded rods 7 to rotate. In this way, the three threaded rods 7 can rotate at the same time. The rotation of the three threaded rods 7 causes the three threaded blocks 8 to move towards the middle, which in turn causes the three locking rods 9 to move towards the middle synchronously. Then, the end cover casting body 10 can be fixed. When fixing, a three-point fixing method is used, which can increase the fixing effect and is simple and convenient to fix. Just turn the knob 14 to make the threaded rod 7 rotate.

[0045] After fixing, control motor 15 to work and rotate the rear reciprocating screw 16. Then, under the action of sprocket 18 and chain 19, the two reciprocating screws 16 can rotate simultaneously. The rotation of the two reciprocating screws 16 drives the two sliding seats 17 to move left and right continuously, thereby causing the base 4 and the placement platform 5 to move left and right continuously. This allows the end cap casting body 10 to move left and right continuously. Then, control the four electric push rods 20 to move the moving plate 21 and the components on the moving plate 21 downward. In this way, the grinding block 24 can contact the top of the end cap casting body 10, which is moving left and right continuously, so that the wear resistance test can be carried out. At the same time as the test, control motor 22 to work, so that the rotating shaft 23 and the grinding block 24 can rotate, thereby increasing the test effect.

[0046] After the test is completed, control motor 15 to keep the base 4, the placement platform 5 and other components on the right or left side of the U-shaped frame 3. Then turn the knob 14 in the opposite direction to release the fixation. Then the tested part can be removed. Then observe the scratches to judge the wear resistance of the end cap casting body 10. Then test other end cap casting bodies 10 using the same principle.

[0047] The above are merely preferred embodiments of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An apparatus for testing the wear resistance of an aluminum alloy casting for an electric machine, characterized by, include: A base plate (1) is fixedly connected to the top of the base plate (1) and a U-shaped frame (3) is also fixedly connected to the top of the base plate (1); The base (4) is located inside the outer shell (2). A placement platform (5) is fixedly connected to the top of the base (4). A cavity is opened on the placement platform (5). Three grooves are also opened on the placement platform (5) in a circular shape and are evenly distributed. A support block (6) is fixedly connected inside each of the three grooves. The threaded rod (7) is configured as three, and the three threaded rods (7) are respectively embedded in three support blocks (6). The inner ends of the three threaded rods (7) extend into the cavity. The three threaded rods (7) are all fitted with threaded blocks (8) on the outside. The threaded blocks (8) are connected to the threaded rods (7) by threads. The inner sides of the three threaded blocks (8) are fixedly connected with clamping rods (9). The inner sides of the three clamping rods (9) are provided with end cap casting bodies (10). A column (11) is fixedly connected inside a cavity. A bevel gear (12) is fitted on the column (11) and the two are connected by a bearing. The top of the bevel gear (12) is provided with three bevel gears (13) that mesh with it. The three bevel gears (13) are respectively fixedly connected to the inner ends of three threaded rods (7).

2. A test apparatus for testing the wear resistance of an aluminum alloy casting for an electric machine according to claim 1, characterized in that: All three clamps (9) are in sliding contact with the top of the placement platform (5), and the three threaded blocks (8) are respectively slidably disposed in the three grooves.

3. The wear resistance testing equipment for aluminum alloy castings for motors according to claim 1, characterized in that: A knob (14) is fixedly connected to the front end of one of the threaded rods (7).

4. A test apparatus for abrasion resistance of an aluminum alloy casting for an electric machine according to claim 1, characterized by: A motor (15) is fixedly connected to one side of the outer shell (2), and two reciprocating screws (16) are embedded on the other side of the outer shell (2). Both reciprocating screws (16) pass through the other side of the outer shell (2), and one of the reciprocating screws (16) is fixedly connected to the output shaft of the motor (15). Sliding seats (17) are sleeved on the outside of both reciprocating screws (16). The sliding seats (17) are connected to the reciprocating screws (16) through a ball screw pair. Both sliding seats (17) are fixedly embedded on the base (4).

5. A test apparatus for testing the wear resistance of an aluminum alloy casting for an electric machine according to claim 4, characterized in that: Both reciprocating screws (16) are fitted with sprockets (18), and both sprockets (18) are fitted with chains (19). The two sprockets (18) are connected by the chain (19). The reciprocating screws (16) are connected to the housing (2) by bearings.

6. A wear resistance test apparatus for an aluminum alloy casting for an electric machine according to claim 1, characterized by: The top of the U-shaped frame (3) is fixedly embedded with four electric push rods (20), and the bottom of the four electric push rods (20) is fixedly connected to a moving plate (21). The top of the moving plate (21) is fixedly connected to a second motor (22), and the output shaft of the second motor (22) is fixedly connected to a first rotating shaft (23). The first rotating shaft (23) passes through the moving plate (21), and the bottom of the first rotating shaft (23) is fixedly connected to a grinding block (24). The first rotating shaft (23) and the moving plate (21) are connected by a bearing.

7. A wear resistance testing apparatus for an aluminum alloy casting for an electric machine according to claim 1, characterized by: Limiting rods (25) are fixedly connected to the inner walls of both the front and rear sides of the U-shaped frame (3). Both limiting rods (25) pass through the moving plate (21) and slide in contact with it.

8. A wear resistance test apparatus for an aluminum alloy casting for an electric machine according to claim 1, characterized by: A guide rod (26) is fixedly connected inside the outer shell (2), and the guide rod (26) passes through the base (4) and slides in contact with it.

9. A wear resistance testing apparatus for an aluminum alloy casting for an electric machine according to claim 1, characterized by: The bottom of the base plate (1) is fixedly connected to the four corners of the base plate (27).

10. A wear resistance test apparatus for an aluminum alloy casting for an electric machine according to claim 1, characterized by: The threaded rod (7) is connected to the placement platform (5) and the support block (6) via bearings.

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