Motor shell wall thickness testing device

Abstract

The utility model discloses a motor housing wall thickness testing device, which comprises a testboard and a micrometer, one side of the testboard is fixedly connected with a stand column, the upper end of the stand column is fixedly connected with an annular slide rail, the annular slide rail is provided with an annular moving slide block, the annular moving slide block is provided with a lifting plate, and the lifting plate is provided with a horizontal slide rail. The horizontal sliding rail is provided with a horizontal moving sliding block, the horizontal moving sliding block is provided with a clamping groove, a micrometer frame of the micrometer is clamped into the clamping groove and fixedly connected with the horizontal moving sliding block, and two oppositely-arranged clamping plates are installed on the testing table and driven by an air cylinder to move. The wall thickness testing device for the motor housing can be used for conveniently testing the wall thickness of motor housings of various specifications, and can be used for quickly measuring the wall thickness of different positions of the motor housings of various shapes. The difficulty of testing the wall thickness of the motor shell is reduced, the testing process is more labor-saving and rapid, and the measured data is more accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of thickness measurement, and particularly relates to a testing device for the wall thickness of a motor housing. Background Art

[0002] The motor housing is generally made of metal materials and can be obtained by stamping or casting. After the production of the motor housing is completed, it is necessary to measure its wall thickness to verify whether the processing process is accurate. In the prior art, generally, a sampling inspection method is adopted, and workers manually use measuring tools such as micrometers to measure the motor housing. This measurement method requires workers to have certain measurement experience and is quite dependent on the operation of workers. Due to different motor specifications, the shapes and sizes of the motor housings are different, and it is difficult to fix the housing during the process of measuring the wall thickness, resulting in unstable measurement data and requiring repeated operations to complete the measurement process. Content of the Utility Model

[0003] To solve the above technical problems, the technical solution adopted by the utility model is: a testing device for the wall thickness of a motor housing, including a testing table and a micrometer. One side of the testing table is fixedly connected with a column, the upper end of the column is fixedly connected with an annular sliding rail, an annular moving slider moving along the annular sliding rail is installed on the annular sliding rail, a lifting plate is installed on the annular moving slider through a lifting rod, a horizontal sliding rail is arranged on the lifting plate and vertically points to the central axis of the annular sliding rail, a horizontal moving slider is installed on the horizontal sliding rail, a clamping groove is arranged on the horizontal moving slider, the frame of the micrometer is clamped into the clamping groove and fixedly connected with the horizontal moving slider. A fixed chuck and a movable chuck are arranged on the micrometer, a fixed extension plate is connected to the fixed chuck, a movable extension plate is connected to the movable chuck, a fixed extension chuck is arranged on the inner side of the fixed extension plate, and the end face of the fixed extension chuck is in the same plane as the end face of the fixed chuck. A movable extension chuck is arranged on the inner side of the movable extension plate, and the end face of the movable extension chuck is in the same plane as the end face of the movable chuck. Two oppositely arranged clamping plates are installed on the testing table, and the clamping plates are respectively located on both sides of the testing table and are respectively driven to move by air cylinders.

[0004] As a preference of the above technical solution, a through hole for the fixed chuck to pass through is arranged at the upper end of the fixed extension plate. After the fixed chuck is inserted into the through hole, it is fixedly connected with the fixed extension plate through a screw, and a screw hole for the screw to be screwed into is arranged on the fixed chuck. A perforation for the movable chuck to pass through is arranged at the upper end of the movable extension plate. After the movable chuck passes through the perforation, it is fixedly connected with the movable extension plate through a screw, and a screw hole for the screw to be screwed into is arranged on the movable chuck.

[0005] As a preference of the above technical solution, the inner side of the clamping plate is arc-shaped, and an elastic buffer layer is fixed on the inner side of the clamping plate.

[0006] Preferably, as the above technical solution, an elastic support part for placing the motor housing is provided on the test bench.

[0007] Preferably, as the above technical solution, a vertical slide rail is provided on the column, a vertical slider is installed on the vertical slide rail, and a horizontal calibration pressing plate is fixedly connected to the vertical slider.

[0008] Preferably, as the above technical solution, a magnet is fixedly connected to the upper end of the vertical slide rail, and a magnetic attraction part for the magnet to attract is provided on the horizontal calibration pressing plate.

[0009] Preferably, as the above technical solution, the micrometer is a digital micrometer.

[0010] Preferably, as the above technical solution, a plurality of bolt holes respectively communicating with the card slots are provided on the horizontal moving slider, and clamping bolts are respectively threadedly connected in the bolt holes.

[0011] Preferably, as the above technical solution, the lifting rod is a hydraulic lifting rod.

[0012] The beneficial effects of the present utility model are as follows: The motor housing wall thickness testing device of the present utility model can conveniently test the wall thickness of motor housings of various specifications, and can quickly measure the wall thickness at different positions of motor housings of various shapes. It reduces the difficulty of testing the wall thickness of the motor housing, is more labor-saving and fast during the testing process, and the measurement data is more accurate. Description of the Drawings

[0013] Figure 1 is a structural schematic diagram of the present utility model. Detailed Embodiment

[0014] Next, the technical solution of the present utility model will be clearly and completely described in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0015] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0016] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0017] As Figure 1 shown, a wall thickness testing device for a motor housing includes a test bench 1 and a micrometer 2. A column 3 is fixedly connected to one side of the test bench 1, and a circular slide rail 4 is fixedly connected to the upper end of the column 3. A circular moving slider 5 that moves along the circular slide rail 4 is installed on the circular slide rail 4. A lifting plate 7 is installed on the circular moving slider 5 through a lifting rod 6. A horizontal slide rail is provided on the lifting plate 7, and the horizontal slide rail is vertically directed towards the central axis of the circular slide rail 4. A horizontal moving slider 8 is installed on the horizontal slide rail. A card slot 9 is provided on the horizontal moving slider 8. The frame 10 of the micrometer 2 is clamped into the card slot 9 and fixedly connected to the horizontal moving slider 8. A fixed chuck 11 and a movable chuck 12 are provided on the micrometer 2. A fixed extension plate 13 is connected to the fixed chuck 11, and a movable extension plate 14 is connected to the movable chuck 12. A fixed extension chuck 15 is provided inside the fixed extension plate 13, and the end face of the fixed extension chuck 15 is in the same plane as the end face of the fixed chuck 11. A movable extension chuck 16 is provided inside the movable extension plate 14, and the end face of the movable extension chuck 16 is in the same plane as the end face of the movable chuck 12. Two oppositely arranged clamping plates 17 are installed on the test bench 1, and the clamping plates 17 are respectively located on both sides of the test bench 1. The clamping plates 17 are respectively driven to move by cylinders 18.

[0018] Furthermore, a through hole for the fixed chuck 11 to pass through is provided at the upper end of the fixed extension plate 13. After the fixed chuck 11 is inserted into the through hole, it is fixedly connected to the fixed extension plate 13 by screws. A screw hole for the screw to be screwed into is provided on the fixed chuck 11. A perforation for the movable chuck 12 to pass through is provided at the upper end of the movable extension plate 14. After the movable chuck 12 passes through the perforation, it is fixedly connected to the movable extension plate 14 by screws. A screw hole for the screw to be screwed into is provided on the movable chuck 12. The micrometer 2 can be purchased as an existing commercially available micrometer 2. Corresponding screw holes are processed on the fixed chuck 11 and the movable chuck 12 of the micrometer 2, and the fixed extension plate 13 and the movable extension plate 14 are assembled by screws. Multiple sets of fixed extension plates 13 and movable extension plates 14 can be configured. The lengths of different sets of fixed extension plates 13 and movable extension plates 14 are different to adapt to motor housings 24 of different specifications.

[0019] Further, the inner side of the clamping plate 17 is arc-shaped, and an elastic buffer layer is fixed on the inner side of the clamping plate 17. The shape of the clamping plate 17 can also be customized according to the different shapes of the motor housing 24, and the working shaft of the connecting cylinder can be detachably connected by screws or the like. The elastic buffer layer can be sponge, rubber pad, etc., which can protect the surface of the motor housing 24 and prevent it from being scratched or bruised. At the same time, it provides a certain degree of freedom for the motor housing 24 located between the clamping plates 17, and the angle of the motor housing 24 can be adjusted within a certain angle range.

[0020] Further, an elastic support portion 18 for placing the motor housing 24 is provided on the test bench 1. The elastic support portion 18 protects the bottom of the motor housing 24 and also provides a certain degree of freedom for the clamped motor housing 24.

[0021] Further, a vertical slide rail 19 is provided on the column 3, a vertical slider 20 is installed on the vertical slide rail 19, and the vertical slider 20 is fixedly connected with a horizontal calibration pressing plate 21. Press down the horizontal calibration pressing plate 21 to press the upper end of the motor housing 24 with the horizontal calibration pressing plate 21, so that the motor housing 24 forms a vertical state, thereby positioning the motor housing 24 and making the measurement of the wall thickness of the motor housing 24 by the micrometer 2 more accurate.

[0022] Further, a magnet is fixedly connected to the upper end of the vertical slide rail 19, and a magnetic attraction portion 22 for the magnet to attract is provided on the horizontal calibration pressing plate 21. After lifting the horizontal calibration pressing plate 21, the magnetic attraction portion 22 is attracted by the magnet to fix the horizontal calibration pressing plate 21, which does not affect the subsequent operation of measuring the wall thickness of the motor housing 24 with the micrometer 2.

[0023] Further, the micrometer 2 is a digital display micrometer 2. The digital display micrometer 2 is convenient and fast for reading.

[0024] Further, a plurality of bolt holes respectively communicating with the card slots 9 are provided on the horizontal moving slider 8, and clamping bolts 23 are respectively threadedly connected in the bolt holes. Loosen the clamping bolts 23 to replace and maintain the micrometer 2.

[0025] Further, the lifting rod 6 is a hydraulic lifting rod 6. The hydraulic lifting rod 6 has a damping effect and can better control and adjust the height of the micrometer 2.

[0026] The testing process includes the following steps: Place the motor housing 24 on the test bench 1. The cylinder 18 drives the clamping plate 17 to move, and the motor housing 24 is clamped by the clamping plate 17 to form fixation and positioning of the motor housing 24. Horizontally move the horizontal moving slider 8 so that the fixed extension plate 13 on the micrometer 2 is located above the inside of the motor housing 24, and the movable extension plate 14 is located above the outside of the motor housing 24. Pull the lifting plate 7 downwards so that the fixed extension plate 13 is inserted into the inside of the motor housing 24. Fine-tune the position of the horizontal moving slider 8 so that the fixed extension chuck 15 is closely attached to the inner wall of the motor housing 24. Rotate the micrometer screw of the micrometer 2 to drive the movable extension plate 14 to move, so that the movable extension chuck 16 clamps the outer wall of the motor housing 24, read the measurement data on the micrometer 2 to obtain the wall thickness of the motor housing 24. Reverse-rotate the micrometer screw of the micrometer 2, pull the lifting plate 7 up or down to measure the wall thickness at different heights of the motor housing 24. Move the circular moving slider 5 along the circular slide rail 4 to measure the wall thickness at different positions of the motor housing 24. The cross-section of the motor housing 24 can be any shape such as circular or square. By moving the circular moving slider 5 along the circular slide rail 4, moving up and down through the lifting rod 6, and horizontally moving the horizontal moving slider 8 on the horizontal slide rail, the position of the micrometer 2 can be arbitrarily adjusted, so as to perform wall thickness testing at any position of the motor housing 24.

[0027] It is worth mentioning that the technical features such as the cylinder and the micrometer involved in the patent application of the present utility model should be regarded as the prior art. The specific structures, working principles, and possible control methods and spatial arrangement methods of these technical features can be selected conventionally in the art, and should not be regarded as the inventive points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0028] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field according to the concept of the present utility model through logical analysis, reasoning, or limited experiments on the basis of the prior art should be within the protection scope determined by the claims.

Claims

1. Motor housing wall thickness testing device, characterized in that, It includes a test bench and a micrometer. One side of the test bench is fixedly connected with a column. The upper end of the column is fixedly connected with an annular slide rail. An annular moving slider moving along the annular slide rail is installed on the annular slide rail. A lifting plate is installed on the annular moving slider through a lifting rod. A horizontal slide rail is provided on the lifting plate, and the horizontal slide rail is perpendicular to the central axis of the annular slide rail. A horizontal moving slider is installed on the horizontal slide rail. A clamping groove is provided on the horizontal moving slider. The frame of the micrometer is clamped into the clamping groove and fixedly connected with the horizontal moving slider. A fixed chuck and a movable chuck are provided on the micrometer. A fixed extension plate is connected to the fixed chuck, and a movable extension plate is connected to the movable chuck. A fixed extension chuck is provided inside the fixed extension plate, and the end face of the fixed extension chuck is in the same plane as the end face of the fixed chuck. A movable extension chuck is provided inside the movable extension plate, and the end face of the movable extension chuck is in the same plane as the end face of the movable chuck. Two relatively arranged clamping plates are installed on the test bench, and the clamping plates are respectively located on both sides of the test bench. The clamping plates are respectively driven to move by cylinders.

2. The motor housing wall thickness testing device according to claim 1, wherein, A through hole for the fixed chuck to pass through is provided at the upper end of the fixed extension plate. After the fixed chuck is inserted into the through hole, it is fixedly connected with the fixed extension plate by screws. A screw hole for the screws to be screwed into is provided on the fixed chuck. A perforation for the movable chuck to pass through is provided at the upper end of the movable extension plate. After the movable chuck passes through the perforation, it is fixedly connected with the movable extension plate by screws. A screw hole for the screws to be screwed into is provided on the movable chuck.

3. The motor housing wall thickness testing device according to claim 1, characterized in that, The inner side of the clamping plate is arc-shaped, and an elastic buffer layer is fixed on the inner side of the clamping plate.

4. The motor housing wall thickness testing device according to claim 3, characterized in that, An elastic support part for placing the motor housing is provided on the test bench.

5. The motor housing wall thickness testing device according to claim 4, characterized in that, A vertical slide rail is provided on the column, and a vertical slider is installed on the vertical slide rail. The vertical slider is fixedly connected with a horizontal calibration pressing plate.

6. The motor housing wall thickness testing device according to claim 5, characterized in that, A magnet is fixedly connected to the upper end of the vertical slide rail, and a magnetic attraction part for the magnet to attract is provided on the horizontal calibration pressing plate.

7. The motor housing wall thickness testing device according to claim 1, characterized in that, The micrometer is a digital display micrometer.

8. The motor housing wall thickness testing device according to claim 1, characterized in that, A number of bolt holes respectively communicating with the clamping groove are provided on the horizontal moving slider, and clamping bolts are respectively threadedly connected in the bolt holes.

9. The motor housing wall thickness testing device according to claim 1, wherein The lifting rod is a hydraulic lifting rod.

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