Motor assembly positioning device

Abstract

The present invention belongs to the technical field of motor assembly, and specifically is a motor assembly positioning device, comprising a workbench; an electric guide rail is arranged on the top surface of the workbench, and a movable plate is slidably connected in the electric guide rail; and a connecting plate is also included, and a placement tube is fixedly connected on the connecting plate, and a cavity is opened in the placement tube, and a fixing ring is slidably connected in the cavity; by firstly putting the stator on the placement column and then putting the casing into the placement tube, the position of the stator will be aligned with the casing, so as to achieve the effect of positioning the stator and the casing, and then starting the heating wire to heat the casing to make it expand, and after the casing expands to a certain extent, the electric guide rail is driven to drive the movable plate to move, so that the placement column drives the stator to enter the placement tube, and then the casing will be put on the stator, and after waiting for the casing to cool and shrink, the stator can be fixed in the casing, so as to complete the assembly of the motor.

Description

Technical Field

[0001] The invention belongs to the technical field of motor assembly, in particular to a motor assembly positioning device. Background Art

[0002] Motor assembly is a delicate and critical process, and the most important step is to accurately assemble the housing and stator together. As the external protective structure of the motor, the housing must not only have sufficient strength and durability, but also ensure the rationality of the internal space so that core components such as the stator and rotor can be installed and operated smoothly. The stator is the fixed part of the motor, responsible for generating a magnetic field and interacting electromagnetically with the rotor to achieve the operation of the motor.

[0003] However, the above technology often has the following defects: the current assembly process first requires heating the aluminum casing to expand it so that it can be more easily put on the stator. However, it is still difficult for the staff to avoid errors in the process of putting the casing on the stator. Since the size and shape of the casing and the stator may be different, coupled with the limitations of manual operation, it is difficult to ensure that the casing can be accurately put on the stator at one time, which reduces the assembly efficiency. Therefore, the present invention provides a motor assembly positioning device. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a motor assembly positioning device described in the present invention comprises a workbench; the top surface of the workbench is provided with an electric guide rail, and a movable plate is slidably connected in the electric guide rail;

[0006] It also includes a connecting plate, on which a placing tube is fixedly connected, a cavity is opened in the placing tube, a fixing ring is slidably connected in the cavity, and a group of heating wires are fixedly connected to one side of the fixing ring close to the connecting plate;

[0007] A placement column is fixedly connected to one side of the movable plate close to the placement cylinder, and the placement column is aligned with the center position of the placement cylinder.

[0008] Preferably, the interior of the placing column is a hollow structure, a hollow elastic ring is fixedly connected to the surface of the placing column, a connecting groove connected to the elastic ring is opened in the placing column, a side of the movable plate away from the placing column is fixedly connected to a hollow elastic block via a first bracket, a connecting pipe is connected between the elastic block and the placing column, a side of the movable plate close to the elastic block is fixedly connected to an electric telescopic rod via a second bracket, and the output end of the electric telescopic rod is fixedly connected to a pressure plate for squeezing the elastic block.

[0009] Preferably, the placement column is provided with a plurality of groups of air outlet holes, the inner wall of the placement column is sealingly and slidably connected with a sealing sleeve, the sealing sleeve is provided with circular holes corresponding to the air outlet holes, the side of the sealing sleeve close to the connecting plate is fixedly connected with a connecting column made of magnetic material through a third bracket, the side of the connecting plate away from the placement tube is fixedly connected with a magnetic block that repels the connecting column, and an elastic rope is fixedly connected between the side of the sealing sleeve close to the connecting column and the inner wall of the placement column.

[0010] Preferably, one side of the elastic block is connected to an air inlet pipe, an air inlet one-way valve is arranged in the air inlet pipe, and a sealing plate is twisted on the inner wall of the air outlet through a torsion spring.

[0011] Preferably, the inner wall of the placement tube is fixedly connected with multiple groups of memory metals.

[0012] Preferably, the side wall of the placing cylinder is slidably connected with a connecting block, the side wall of the connecting block is rotatably connected with a sealing disk that seals the port of the placing cylinder, the top surface of the connecting block is fixedly connected to a support plate via a fourth bracket, the inner wall of the support plate is rotatably connected to a rotating shaft, the surface of the rotating shaft is fixedly connected with a connecting wire, the other end of the connecting wire is fixedly connected to the sealing disk, and a rotating mechanism for driving the rotating shaft to rotate is provided on the movable plate.

[0013] Preferably, the driving mechanism includes a group of grooves opened on the rotating shaft, the top surface of the movable plate is fixedly connected to the driving plate, the bottom surface of the driving plate is fixedly connected to the elastic strip, and the bottom surface of the driving plate is fixedly connected to a group of protrusions engaged with the grooves.

[0014] Preferably, an annular groove is provided on one side of the fixing ring close to the heating wire, a group of rectangular plates are fixedly connected to the inner wall of the cavity, and a driving spring is fixedly connected between the rectangular plates and the groove.

[0015] Preferably, the side wall of the placing tube is fixedly connected with a hollow cylinder, the bottom surface of the cylinder extends into the placing tube, a sliding rod is slidably connected inside the cylinder, a group of limit lines are fixedly connected between the sliding rod and the inner wall of the cylinder, a first contact is fixedly connected to the top surface of the sliding rod, and an alarm is fixedly connected to the side wall of the placing tube via a fifth bracket, a second contact is fixedly connected to the bottom surface of the alarm, and the alarm is activated when the second contact contacts the first contact.

[0016] Preferably, a slide groove is provided in the slide rod, the inner wall of the slide groove is sealingly and slidably connected with an adjusting rod, a return spring is fixedly connected between the top surface of the adjusting rod and the inner wall of the slide groove, a conduit is connected in the slide groove, the other end of the conduit is connected to a hollow elastic ball, and a control valve is provided on the conduit.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The present invention first puts the stator on the placement column, and then places the casing in the placement cylinder. At this time, the position of the stator will be aligned with the casing, so as to achieve the purpose of positioning the stator and the casing, and then start the heating wire to heat the casing to make it expand. After the casing expands to a certain extent, the electric guide rail drives the moving plate to move, so that the placement column drives the stator to enter the placement cylinder. At this time, the casing will be put on the stator. After waiting for the casing to cool and shrink, the stator can be fixed in the casing, thereby completing the assembly of the motor. The above mechanism can achieve precise positioning and assembly of the stator and the casing, improve assembly efficiency, and at the same time prevent the staff from being scalded by the high-temperature casing.

[0019] 2. After the stator is put on the placement column, the present invention starts the electric telescopic rod to let the pressure plate squeeze the elastic block. At this time, the gas in the elastic block will enter the placement column from the connecting pipe, and then enter the elastic ring from the connecting groove. At this time, the elastic ring will expand and fit with the inner wall of the stator, so that the stator is centered and better assembled with the casing. At the same time, after the stator and the casing are assembled, the electric telescopic rod can drive the pressure plate to move upward and no longer squeeze the elastic block. At this time, the elastic ring will recover and no longer fit tightly with the inner wall of the stator, thereby facilitating the separation of the stator from the placement column. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 is a stereogram of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the placement cylinder and the moving plate in the present invention;

[0023] Figure 3 It is a partial structural cross-sectional view of the placement tube in the present invention;

[0024] Figure 4 is a cross-sectional view of a placement column in the present invention;

[0025] Figure 5 It is a partial structural cross-sectional view of the placement column in the present invention;

[0026] Figure 6 yes Figure 3 A magnified image of point A;

[0027] Figure 7 It is a schematic diagram of the internal structure of the placement tube;

[0028] Figure 8 yes Figure 7 Enlarged view of point B.

[0029] In the figure: 1. workbench; 2. electric rail; 3. connecting plate; 4. placement tube; 5. alarm; 6. moving plate; 7. placement column; 8. fixing ring; 9. cavity; 10. heating wire; 11. electric telescopic rod; 12. pressing plate; 13. elastic block; 14. connecting pipe; 15. connecting groove; 16. elastic ring; 17. sealing sleeve; 18. air outlet; 19. circular hole; 20. connecting column; 21. magnetic block; 22. air inlet pipe; 23. sealing plate; 24. memory metal; 25. sealing disk; 26. connecting block; 27. supporting plate; 28. connecting line; 29. ​​rotating shaft; 30. groove; 31. rectangular plate; 32. elastic strip; 33. annular groove; 34. cylinder; 35. sliding rod; 36. elastic ball; 37. adjusting rod; 38. driving plate. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0031] Embodiment 1: Figures 1 to 6 As shown, a motor assembly positioning device according to an embodiment of the present invention comprises a workbench 1; an electric guide rail 2 is provided on the top surface of the workbench 1, and a movable plate 6 is slidably connected inside the electric guide rail 2;

[0032] It also includes a connecting plate 3, on which a placing tube 4 is fixedly connected, a cavity 9 is opened in the placing tube 4, a fixing ring 8 is slidably connected in the cavity 9, and a group of heating wires 10 are fixedly connected to one side of the fixing ring 8 close to the connecting plate 3;

[0033] A placement column 7 is fixedly connected to one side of the movable plate 6 close to the placement tube 4, and the placement column 7 is aligned with the center position of the placement tube 4;

[0034] The present invention first puts the stator on the placement column 7, and then places the casing into the placement tube 4. At this time, the position of the stator will be aligned with the casing, so as to achieve the purpose of positioning the stator and the casing, and then start the heating wire 10 to heat the casing to make it expand. After the casing expands to a certain extent, the electric guide rail 2 drives the moving plate 6 to move, so that the placement column 7 drives the stator to enter the placement tube 4. At this time, the casing will be put on the stator. After waiting for the casing to cool and shrink, the stator can be fixed in the casing, thereby completing the assembly of the motor. The above mechanism can achieve precise positioning and assembly of the stator and the casing, improve assembly efficiency, and at the same time prevent the staff from being scalded by the high-temperature casing.

[0035] The interior of the placement column 7 is a hollow structure, a hollow elastic ring 16 is fixedly connected to the surface of the placement column 7, a connecting groove 15 connected to the elastic ring 16 is provided in the placement column 7, a hollow elastic block 13 is fixedly connected to the side of the movable plate 6 away from the placement column 7 through a first bracket, a connecting pipe 14 is connected between the elastic block 13 and the placement column 7, an electric telescopic rod 11 is fixedly connected to the side of the movable plate 6 close to the elastic block 13 through a second bracket, and a pressing plate 12 for squeezing the elastic block 13 is fixedly connected to the output end of the electric telescopic rod 11;

[0036] Since different stators have different sizes, when the stator is sleeved on the placement column 7, the center part cannot fit with the placement column 7, which will cause the stator to be unable to align with the casing. Through the above-mentioned mechanism, after the stator is sleeved on the placement column 7, the electric telescopic rod 11 can be started to allow the pressure plate 12 to squeeze the elastic block 13. At this time, the gas in the elastic block 13 will enter the placement column 7 from the connecting pipe 14, and then enter the elastic ring 16 from the connecting groove 15. At this time, the elastic ring 16 will expand and fit with the inner wall of the stator, so that the stator is centered and better assembled with the casing. At the same time, after the stator and the casing are assembled, the electric telescopic rod 11 can drive the pressure plate 12 to move upward and no longer squeeze the elastic block 13. At this time, the elastic ring 16 will recover and no longer fit tightly with the inner wall of the stator, thereby facilitating the separation of the stator from the placement column 7.

[0037] The placement column 7 is provided with a plurality of groups of air outlet holes 18, the inner wall of the placement column 7 is sealingly and slidably connected with a sealing sleeve 17, the sealing sleeve 17 is provided with a circular hole 19 corresponding to the air outlet hole 18, the sealing sleeve 17 is fixedly connected with a connecting column 20 made of a magnetic material on the side close to the connecting plate 3 through a third bracket, the connecting plate 3 is fixedly connected with a magnetic block 21 that repels the connecting column 20 on the side away from the placement tube 4, and an elastic rope is fixedly connected between the side of the sealing sleeve 17 close to the connecting column 20 and the inner wall of the placement column 7;

[0038] After the casing is put on the stator, the casing needs to cool and shrink to fix the stator, but the natural cooling speed is too slow. At this time, the above mechanism can be used. In the process of placing the stator into the casing with the stator driven by the placement column 7, the connecting column 20 will repel the magnetic block 21 and push the sealing sleeve 17, so that the circular hole 19 is aligned with the air outlet 18. At the same time, the sealing sleeve 17 will also seal the connecting groove 15. At this time, the electric telescopic rod 11 can be used to drive the pressing plate 12 to repeatedly squeeze the elastic block 13, so that the gas in the elastic block 13 continuously enters back and forth. In the placement column 7, the gas will be blown from the air outlet 18 into the placement tube 4 to cool the casing, thereby improving the shrinkage efficiency of the casing and further improving the assembly efficiency of the casing and the stator. When the placement column 7 is away from the placement tube 4, the magnetic block 21 will no longer repel the connecting column 20. At this time, the elastic rope will pull the sealing sleeve 17 to reset, thereby misaligning the air outlet 18 and the circular hole 19. At this time, the sealing sleeve 17 can seal the air outlet 18. At the same time, the connecting groove 15 is now in an open state, allowing the elastic ring 16 to shrink and expand normally.

[0039] One side of the elastic block 13 is connected to an air inlet pipe 22, and an air inlet non-return valve is arranged in the air inlet pipe 22. The inner wall of the air outlet 18 is twisted with a sealing plate 23 through a torsion spring. Since the air outlet 18 is always located in the placement tube 4 when air is discharged and inhaled, the gas inhaled and discharged at this time is the hot air in the placement tube 4, which will affect the cooling effect on the casing. Through the above-mentioned mechanism, when the gas enters the placement column 7, the gas will push open the sealing plate 23, so that the gas is blown onto the casing. When the elastic block 13 needs to inhale air, the sealing plate 23 will seal the air outlet 18 under the action of the torsion spring. At this time, the elastic block 13 will only inhale outside air from the air inlet pipe 22, and then when the elastic block 13 is squeezed again, the gas will be blown out from the air outlet 18 again, thereby greatly improving the cooling effect on the casing.

[0040] The inner wall of the placing tube 4 is fixedly connected with multiple groups of memory metals 24; after the casing is placed in the placing tube 4, the side walls of the casing will contact the inner wall of the placing tube 4. At this time, there will be a large gap between the side wall above the casing and the placing tube 4, and there is no gap on the lower side wall, so the casing cannot be centered, which affects the assembly of the casing and the stator. The casing can be placed in the placing tube 4 through the above-mentioned mechanism. At this time, the casing will contact the memory metal 24, and then when the heating wire 10 heats the casing, the memory metal 24 will also heat up and push the casing to the center, so that the casing and the stator are aligned. At the same time, the memory metal 24 can also adapt to casings of different sizes, so that casings of different sizes can be set in the center, thereby improving the effect of positioning and assembling the casing and the stator.

[0041] The side wall of the placement cylinder 4 is slidably connected with a connecting block 26, and the side wall of the connecting block 26 is rotatably connected with a sealing disk 25 for sealing the port of the placement cylinder 4. The top surface of the connecting block 26 is fixedly connected with a support plate 27 through a fourth bracket, and the inner wall of the support plate 27 is rotatably connected with a rotating shaft 29, and a connecting line 28 is fixedly connected to the surface of the rotating shaft 29, and the other end of the connecting line 28 is fixedly connected to the sealing disk 25. A rotating mechanism for driving the rotating shaft 29 to rotate is provided on the movable plate 6; since the placement cylinder 4 is open, a large amount of heat source will be wasted and discharged during heating. At this time, the port of the placement cylinder 4 can be sealed by the sealing disk 25 to improve the heating effect of the casing. When the sealing disk 25 needs to be opened, the rotating shaft 29 can be rotated by the driving mechanism so that the connecting line 28 is wound around the rotating shaft 29. At this time, the connecting line 28 will pull the sealing disk 25 to no longer seal the port of the placement cylinder 4, so that the casing and the stator can be assembled.

[0042] The driving mechanism includes a group of grooves 30 formed on the rotating shaft 29, a driving plate 38 is fixedly connected to the top surface of the moving plate 6, an elastic strip 32 is fixedly connected to the bottom surface of the driving plate 38, and a group of protrusions engaged with the grooves 30 are fixedly connected to the bottom surface of the driving plate 38;

[0043] When the movable plate 6 moves toward the side close to the connecting plate 3, the driving plate 38 will also move. At this time, the protrusion will engage with the groove 30 to drive the rotating shaft 29 to rotate, so that the connecting line 28 drives the sealing disk 25 to rotate. When the sealing disk 25 rotates to the appropriate position, the last protrusion located close to the sealing strip will pass through the groove 30 and then completely disengage. At this time, the elastic strip 32 passes through the rotating shaft 29, presses the rotating shaft 29 to prevent the rotating shaft 29 from rotating, so that the stator can smoothly enter the placement tube 4. When the driving plate 38 moves away from the connecting plate 3, the protrusion will engage with the groove 30, and the driving shaft 29 will rotate to loosen the connecting line 28, so that the sealing disk 25 can seal the port of the placement tube 4. The sealing disk 25 can be automatically opened and closed through the above mechanism without manual operation.

[0044] An annular groove 33 is provided on one side of the fixing ring 8 close to the heating wire 10, and a group of rectangular plates 31 are fixedly connected to the inner wall of the cavity 9, and a driving spring is fixedly connected between the rectangular plate 31 and the groove 30; when the sealing disk 25 is opened, the driving spring will push the fixing ring 8, and the annular groove 33 will move to the port where the cylinder 4 is placed, but the inner wall of the fixing ring 8 is still in contact with the inner wall of the cavity 9. At this time, the hot air in the cavity 9 can be discharged from the annular groove 33, thereby further improving the cooling effect on the casing.

[0045] Embodiment 2: Figures 7 and 8As shown, compared with Example 1, another implementation of the present invention is: the side wall of the placement tube 4 is fixedly connected with a hollow cylinder 34, the bottom surface of the cylinder 34 extends into the placement tube 4, and a slide bar 35 is slidably connected in the cylinder 34, a group of limit lines are fixedly connected between the slide bar 35 and the inner wall of the cylinder 34, and the top surface of the slide bar 35 is fixedly connected with a first contact, and the side wall of the placement tube 4 is fixedly connected with an alarm 5 through a fifth bracket, and the bottom surface of the alarm 5 is fixedly connected with a second contact, and the alarm 5 will be activated when the second contact contacts the first contact; since the casing may over-expand during the heating and expansion process, thereby affecting the subsequent assembly effect and the quality of the casing, the above-mentioned mechanism can push the slide bar 35 when the casing expands, and the slide bar 35 will move upward until the slide bar 35 pushes the first contact to contact the second contact, and the alarm 5 will sound an alarm, which means that the expansion of the casing is completed, and then the casing is heated in time to prevent the casing from over-expanding.

[0046] A slide groove is provided in the slide rod 35, and an adjusting rod 37 is sealingly and slidably connected to the inner wall of the slide groove. A return spring is fixedly connected between the top surface of the adjusting rod 37 and the inner wall of the slide groove. A conduit is connected in the slide groove, and the other end of the conduit is connected to a hollow elastic ball 36, and a control valve is provided on the conduit.

[0047] Since casings of different sizes need to expand to different outer diameters when they expand, the casing expansion may push the slide bar 35 to move and trigger the alarm 5, but the expansion degree has not been reached or the expansion is excessive. At this time, the control valve can be opened, and then the staff can squeeze the elastic ball 36 by hand to allow the gas in the elastic ball 36 to enter the slide groove from the conduit to push the adjusting rod 37 to move to a suitable position to adapt to casings of different sizes for use. Then the control valve is closed to allow the gas in the slide groove to position the adjusting rod 37. After that, the adjusting rod 37 can be pushed when the casing expands, so that the adjusting rod 37 drives the slide bar 35 to trigger the alarm 5 to alarm.

[0048] Working principle: by first putting the stator on the placement column 7, and then placing the casing into the placement tube 4, the position of the stator will be aligned with the casing, so as to achieve the purpose of positioning the stator and the casing, and then start the heating wire 10 to heat the casing to make it expand. After the casing expands to a certain extent, the electric guide rail 2 drives the moving plate 6 to move, so that the placement column 7 drives the stator to enter the placement tube 4. At this time, the casing will be put on the stator. After waiting for the casing to cool and shrink, the stator can be fixed in the casing, thereby completing the assembly of the motor. The above mechanism can realize precise positioning and assembly of the stator and the casing, improve assembly efficiency, and prevent the staff from being scalded by the high-temperature casing; because different stators have different sizes, the stator sleeve is When the stator is placed on the column 7, the central part cannot fit with the column 7, which will cause the stator to be unable to align with the casing. Through the above mechanism, after the stator is put on the column 7, the electric telescopic rod 11 is started to let the pressure plate 12 squeeze the elastic block 13. At this time, the gas in the elastic block 13 will enter the column 7 from the connecting pipe 14, and then enter the elastic ring 16 from the connecting groove 15. At this time, the elastic ring 16 will expand and fit with the inner wall of the stator, so that the stator is centered and better assembled with the casing. At the same time, after the stator and the casing are assembled, the electric telescopic rod 11 can drive the pressure plate 12 to move upward and no longer squeeze the elastic block 13. At this time, the elastic ring 16 will recover and no longer fit closely with the inner wall of the stator, so as to facilitate the separation of the stator from the column 7.

[0049] After the casing is put on the stator, the casing needs to be cooled and contracted before the stator can be fixed, but the natural cooling speed is too slow. At this time, the above-mentioned mechanism can be used. In the process of the placement column 7 driving the stator into the casing, the connecting column 20 will repel the magnetic block 21 and push the sealing sleeve 17, so that the circular hole 19 is aligned with the air outlet 18. At the same time, the sealing sleeve 17 will also seal the connecting groove 15. At this time, the electric telescopic rod 11 can be used to drive the pressure plate 12 to repeatedly squeeze the elastic block 13, so that the gas of the elastic block 13 continuously enters the placement column 7 back and forth. At this time, the gas will be blown from the air outlet 18 to the placement tube 4 to cool the casing, improve the shrinkage efficiency of the casing, and thereby improve the assembly efficiency of the casing and the stator. When the placement column 7 is away from the placement tube 4, the magnetic block 21 will no longer repel the connecting column 20. At this time, the elastic rope will pull the sealing sleeve 17 to reset , so that the air outlet 18 and the circular hole 19 are misaligned, at this time, the sealing sleeve 17 can seal the air outlet 18, and at the same time, the connecting groove 15 is now in an open state, so that the elastic ring 16 can shrink and expand normally; because the air outlet 18 is always located in the placement tube 4 when the air is discharged and inhaled, the gas inhaled and discharged at this time is the hot gas in the placement tube 4, which will affect the cooling effect on the casing, and through the above-mentioned mechanism, when the gas enters the placement column 7, the gas will push the sealing plate 23 open, so that the gas is blown onto the casing, and when the elastic block 13 needs to inhale, the sealing plate 23 will seal the air outlet 18 under the action of the torsion spring, and at this time, the elastic block 13 will only inhale the outside air from the air inlet pipe 22, and then when the elastic block 13 is squeezed again, the gas will be blown out from the air outlet 18, thereby greatly improving the cooling effect on the casing;

[0050] After the casing is placed in the placement tube 4, the side wall of the casing will contact the inner wall of the placement tube 4. At this time, there will be a large gap between the side wall above the casing and the placement tube 4, and there is no gap on the side wall below, so the casing cannot be centered, which affects the assembly of the casing and the stator. The casing can be placed in the placement tube 4 through the above mechanism. At this time, the casing will contact the memory metal 24, and then when the heating wire 10 heats the casing, the memory metal 24 will also heat up to push the casing to the center, so that the casing and the stator are aligned. At the same time, the memory metal 24 can also adapt to casings of different sizes, so that casings of different sizes can be set in the center, thereby improving the effect of positioning and assembling the casing and the stator;

[0051] Since the placement cylinder 4 is open, a large amount of heat source will be wasted and discharged during heating. At this time, the port of the placement cylinder 4 can be sealed by the sealing disk 25 to improve the heating effect of the casing. When the sealing disk 25 needs to be opened, the rotating shaft 29 can be rotated by the driving mechanism so that the connecting line 28 is wound around the rotating shaft 29. At this time, the connecting line 28 will pull the sealing disk 25 to no longer seal the port of the placement cylinder 4, so that the casing and the stator can be assembled; when the moving plate 6 moves to the side close to the connecting plate 3, the driving plate 38 will also move. At this time, the protrusion will engage with the groove 30 to drive the rotating shaft 29 to rotate, so that The connecting wire 28 drives the sealing disk 25 to rotate. When the sealing disk 25 rotates to a suitable position, the last protrusion located close to the sealing strip will pass through the groove 30 and then completely disengage. At this time, the elastic strip 32 passes through the rotating shaft 29 and presses the rotating shaft 29 to prevent the rotating shaft 29 from rotating, so that the stator can smoothly enter the placement tube 4. When the driving plate 38 moves away from the connecting plate 3, the protrusion will engage with the groove 30, driving the rotating shaft 29 to rotate, so that the connecting wire 28 is loosened, so that the sealing disk 25 can seal the port of the placement tube 4. The above mechanism can allow the sealing disk 25 to be automatically opened and closed without manual operation.

[0052] When the sealing disk 25 is opened, the driving spring will push the fixing ring 8. At this time, the annular groove 33 will move to the port where the cylinder 4 is placed. However, the inner wall of the fixing ring 8 is still in contact with the inner wall of the cavity 9. At this time, the hot air in the cavity 9 can be discharged from the annular groove 33, thereby further improving the cooling effect on the casing.

[0053] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 understood as limiting the scope of protection of the present invention.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A motor assembly positioning device, comprising a workbench (1); an electric guide rail (2) is arranged on the top surface of the workbench (1), and a movable plate (6) is slidably connected inside the electric guide rail (2); Features: It also comprises a connecting plate (3), a placing tube (4) being fixedly connected to the connecting plate (3), a cavity (9) being provided in the placing tube (4), a fixing ring (8) being slidably connected in the cavity (9), and a group of heating wires (10) being fixedly connected to a side of the fixing ring (8) close to the connecting plate (3); A placement column (7) is fixedly connected to one side of the movable plate (6) close to the placement cylinder (4), and the placement column (7) is aligned with the center position of the placement cylinder (4); The interior of the placement column (7) is a hollow structure. A hollow elastic ring (16) is fixedly connected to the surface of the placement column (7). A connecting groove (15) connected to the elastic ring (16) is provided in the placement column (7). A side of the movable plate (6) away from the placement column (7) is fixedly connected to a hollow elastic block (13) via a first bracket. A connecting pipe (14) is connected between the elastic block (13) and the placement column (7). A side of the movable plate (6) close to the elastic block (13) is fixedly connected to an electric telescopic rod (11) via a second bracket. The output end of the electric telescopic rod (11) is fixedly connected to a pressing plate (12) for pressing the elastic block (13).

2. A motor assembly positioning device according to claim 1, characterized in that: The placement column (7) is provided with a plurality of groups of air outlet holes (18); the inner wall of the placement column (7) is sealingly and slidably connected with a sealing sleeve (17); the sealing sleeve (17) is provided with circular holes (19) corresponding to the air outlet holes (18); a side of the sealing sleeve (17) close to the connection plate (3) is fixedly connected to a connection column (20) made of a magnetic material via a third bracket; a side of the connection plate (3) away from the placement cylinder (4) is fixedly connected to a magnetic block (21) that repels the connection column (20); and an elastic rope is fixedly connected between the side of the sealing sleeve (17) close to the connection column (20) and the inner wall of the placement column (7).

3. A motor assembly positioning device according to claim 2, characterized in that: One side of the elastic block (13) is connected to an air intake pipe (22), an air intake check valve is arranged in the air intake pipe (22), and a sealing plate (23) is twisted on the inner wall of the air outlet hole (18) via a torsion spring.

4. A motor assembly positioning device according to claim 3, characterized in that: The inner wall of the placement cylinder (4) is fixedly connected with multiple groups of memory metal (24).

5. The motor assembly positioning device according to claim 1, characterized in that: The side wall of the placement cylinder (4) is slidably connected to a connection block (26), and the side wall of the connection block (26) is rotatably connected to a sealing disk (25) for sealing the port of the placement cylinder (4). The top surface of the connection block (26) is fixedly connected to a support plate (27) via a fourth bracket, and the inner wall of the support plate (27) is rotatably connected to a rotating shaft (29). The surface of the rotating shaft (29) is fixedly connected to a connecting wire (28), and the other end of the connecting wire (28) is fixedly connected to the sealing disk (25). A rotating mechanism for driving the rotating shaft (29) to rotate is provided on the movable plate (6).

6. The motor assembly positioning device according to claim 5, characterized in that: The rotating mechanism comprises a group of grooves (30) formed on the rotating shaft (29); the top surface of the movable plate (6) is fixedly connected to a driving plate (38); the bottom surface of the driving plate (38) is fixedly connected to an elastic strip (32); and the bottom surface of the driving plate (38) is fixedly connected to a group of protrusions that mesh with the grooves (30).

7. The motor assembly positioning device according to claim 5, characterized in that: An annular groove (33) is provided on one side of the fixing ring (8) close to the heating wire (10); a group of rectangular plates (31) are fixedly connected to the inner wall of the cavity (9); and a driving spring is fixedly connected between the rectangular plates (31) and the groove (30).

8. The motor assembly positioning device according to claim 7, characterized in that: A hollow cylinder (34) is fixedly connected to the side wall of the placement tube (4), the bottom surface of the cylinder (34) extends into the placement tube (4), a slide rod (35) is slidably connected inside the cylinder (34), a group of limit lines are fixedly connected between the slide rod (35) and the inner wall of the cylinder (34), a first contact is fixedly connected to the top surface of the slide rod (35), an alarm (5) is fixedly connected to the side wall of the placement tube (4) via a fifth bracket, a second contact is fixedly connected to the bottom surface of the alarm (5), and the alarm (5) is activated when the second contact contacts the first contact.

9. The motor assembly positioning device according to claim 8, characterized in that: A slide groove is provided in the slide rod (35), and an adjusting rod (37) is sealingly and slidably connected to the inner wall of the slide groove. A return spring is fixedly connected between the top surface of the adjusting rod (37) and the inner wall of the slide groove. A conduit is connected in the slide groove, and the other end of the conduit is connected to a hollow elastic ball (36), and a control valve is provided on the conduit.

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