Automatic press-fitting device for motor, oil cylinder and bearing gasket

Abstract

The invention relates to the technical field of press-fitting devices, in particular to an automatic press-fitting device for a motor, an oil cylinder and a bearing gasket. The device comprises a workbench, a controller, a support arranged on the workbench, a placing seat arranged on the support and used for placing a fan cover part, and a press-fitting mechanism arranged on the support and used for pressing a bearing gasket into an oil cylinder and pressing the oil cylinder into a bottom plate part at the same time. The push-in mechanism is used for pushing the bearing gasket into the press-fitting mechanism, the supporting mechanism is in linkage with the press-fitting mechanism and used for abutting against the bottom plate part, and the press-fitting mechanism and the push-in mechanism are both electrically connected with the controller. The automatic press-fitting device is high in machining efficiency, and machined products are high in consistency.

Description

Technical Field

[0001] The present invention relates to the technical field of press-fitting devices, and in particular to an automatic press-fitting device for a motor, an oil cylinder and a bearing gasket. Background Art

[0002] The motor, cylinder and bearing gasket are three different components. During installation, the bearing gasket needs to be installed in the cylinder, and the cylinder needs to be installed on the motor at the same time. The existing technology requires manual operation of simple equipment for press installation, and the overall installation efficiency is relatively low. In addition, the consistency of the installed products is also relatively poor. Summary of the Invention

[0003] The technical solution to be solved by the present invention is to provide an automatic press-fitting device for motors, oil cylinders and bearing gaskets with high processing efficiency and high consistency of processed products.

[0004] The technical solution adopted by the present invention is: an automatic pressing device for a motor, a cylinder and a bearing gasket, wherein the motor includes a base plate portion and a wind cover portion, and it includes a workbench, a controller, a bracket arranged on the workbench, a placement seat arranged on the bracket for placing the wind cover portion, a pressing mechanism arranged on the bracket for pressing the bearing gasket into the cylinder and simultaneously pressing the cylinder into the base plate portion, a pushing mechanism for pushing the bearing gasket into the pressing mechanism, and a support mechanism linked to the pressing mechanism for supporting the base plate portion, wherein the pressing mechanism and the pushing mechanism are both electrically connected to the controller.

[0005] Preferably, the pressing mechanism includes a first fixed plate, a second fixed plate and a third fixed plate fixed on the bracket, a first power mechanism fixed on the first fixed plate and a main shaft arranged on the output part of the first power mechanism, and the main shaft is vertically slidably connected to the inside of one end away from the first power mechanism, and is provided with a magnetic part for adsorbing the bearing gasket, a first spring for driving the magnetic part to reset, a limit part for limiting the movement of the bearing gasket and a second spring for driving the limit part to reset, and the pressing mechanism also includes an adjustment mechanism for adjusting the initial state position of the lower end surfaces of the magnetic part, the main shaft and the limit part.

[0006] Preferably, the adjustment mechanism includes a seesaw with a first waist-shaped hole and a positioning pin fixed to the main shaft through the first waist-shaped hole, the main shaft is provided with a strip hole for the seesaw to rotate, one end of the seesaw is rotatably connected to the limiter, and the other end of the seesaw extends out of the strip hole, there are two magnetic parts, and the two magnetic parts are arranged on both sides of the limiter and connected by a connecting rod, the limiter is provided with a second waist-shaped hole for the connecting rod to move up and down, the main shaft is also sleeved with an adjustment plate for adjusting the position of the seesaw so that the lower end surfaces of the main shaft, the limiter and the magnetic part are initially flush, and the adjustment plate is fixed to the second fixed plate.

[0007] When the spindle is in the initial state, the adjustment plate will press the other end of the rocker. At this time, the lower end surfaces of the spindle, the limiter and the magnetic part are flush.

[0008] When the main shaft moves downward, the adjustment plate will release the other end of the rocker. At this time, the limiter will move downward under the action of the second spring, thereby axially limiting the bearing gasket adsorbed by the magnetic part.

[0009] Preferably, the motor further includes a planetary gear support.

[0010] When the main shaft continues to move down to the press-fitting position of the bearing gasket, the limiter will be pushed up by the planetary gear bracket. At this time, the limiter will drive the connecting rod to move upward, and at the same time drive the two magnetic parts to move upward, so that the bearing gasket is not adsorbed by the magnetic parts.

[0011] Preferably, two parallel mounting grooves are provided on the upper part of the limit member, and there are two rockers. Strip holes are respectively provided at the positions corresponding to the two mounting grooves on both sides of the main shaft. One end of one rocker is rotatably connected to one of the mounting grooves, and the other end of one rocker extends out of the strip hole on one side of the main shaft. One end of the other rocker is rotatably connected to the other mounting groove, and the other end of the other rocker extends out of the strip hole on the other side of the main shaft.

[0012] Preferably, the pushing mechanism includes a feeding seat fixed on the second fixed plate and having an upper material position, a storage barrel arranged on the feeding seat for storing bearing gaskets, a pushing block for pushing the bearing gaskets in the storage barrel to the upper material position, and a second power mechanism for providing power to the pushing block.

[0013] Preferably, the support mechanism includes a linkage plate fixed on the main shaft, a secondary shaft fixed on the linkage plate, a slide seat provided on the third fixed plate, a slider sliding in the slide seat, a third spring for driving the slider to return to its original position, a pressure block vertically sliding on the third fixed plate for driving the slider to slide in the slide seat and then extending into the bottom plate portion to resist the bottom plate portion, and a fourth spring for driving the pressure block to return to its original position, the slider being provided with a first inclined surface, the pressure block being provided with a second inclined surface matching the first inclined surface,

[0014] When the secondary shaft moves down to a certain position along with the main shaft, the secondary shaft will squeeze the pressure block. At this time, the second inclined surface on the pressure block will squeeze the first inclined surface on the slider, causing the slider to slide in the slide seat until the slider slides to the support position under the bottom plate.

[0015] As preferred, the pressing block is provided with a V-shaped notch on one side, and the upper part of the V-shaped notch is a second inclined surface, and the pressing block is further provided with a through hole for the fourth spring to pass through, the middle part of the sliding block is provided with a sliding groove for the pressing block to pass through, and one side of the sliding groove is provided with a V-shaped protrusion matched with the V-shaped notch, and the upper end surface of the V-shaped protrusion is a first inclined surface, and the two ends of one side of the sliding block are provided with abutting blocks for abutting against the bottom plate part.

[0016] As preferred, the placing seat comprises a guide rod fixed on the workbench, a floating plate vertically sliding on the guide rod, and a fifth spring sleeved on the guide rod and between the floating plate and the workbench.

[0017] As preferred, it further comprises a plurality of motor positioning seats of different models, and the motor positioning seats of different models are detachably connected to the floating plate.

[0018] Compared with the prior art, the application has the following advantages: the bearing gasket is pushed into the pressing mechanism by the pushing mechanism, then the bearing gasket is pressed into the oil cylinder by the pressing mechanism, and at the same time the oil cylinder is pressed into the motor, and the support mechanism is communicated with the pressing mechanism to support the bottom plate part of the motor when the pressing mechanism is pressed, so that the bottom plate part of the motor is stressed during overall pressing instead of the fan cover part, the overall pressing reliability is higher, the machining efficiency is higher, and the consistency of the machined products is higher.

[0019] With the pressing mechanism of this structure, the lower end surfaces of the main shaft, the magnetic member and the limiting member are flush in the initial state, so that the bearing gasket can be conveniently pushed in by the pushing mechanism, then the bearing gasket is adsorbed by the magnetic member, and then the limiting member can move down to limit the bearing gasket adsorbed by the magnetic member when the main shaft moves down, so that the bearing gasket is not displaced and not pressed in place.

[0020] The linkage between the limiting member, the magnetic member and the main shaft can be conveniently realized by the linkage structure of the rocker plate and the connecting rod, the position of the lower end surfaces of the main shaft, the magnetic member and the limiting member in the initial state can be adjusted by pressing the rocker plate with the adjusting plate, and at the same time the limiting member moves down to limit the movement of the bearing gasket under the action of the spring when the rocker plate is not pressed by the adjusting plate, and the overall effect is good.

[0021] And because the motor itself is also provided with a planetary gear support, so that when the main shaft moves down to the pressing position, the limiting member will be lifted by the planetary gear support, at this time the limiting member will move the connecting rod together, thereby realizing the movement of the magnetic member together, so that the magnetic member releases the bearing gasket, preventing the bearing gasket from being pressed into the oil cylinder and then being adsorbed by the magnetic member.

[0022] Two rocker plates are adopted, and the two rocker plates do not interfere with each other, so that the two rocker plates can be pressed by the adjusting plate, and the positions of the limiting member, the magnetic member and the main shaft can be better adjusted.

[0023] By adopting this pushing mechanism, the bearing gasket can be easily pushed into the loading position. When the bearing gasket reaches the loading position, it can be adsorbed by the magnetic part, making the overall loading convenient.

[0024] With this support mechanism, the press-fitting mechanism can simultaneously drive the support mechanism to work, pushing the slider to the bottom plate to support the bottom plate. In this way, the bottom plate is the only part that is subjected to the overall force during press-fitting and is not easily damaged.

[0025] The pressure block and slider using this structure occupy a smaller overall volume and work better together. When the pressure block is pressed down, the slider can be driven to move toward the motor, and then the slider is supported against the bottom plate by the support block.

[0026] With this structure of the placement seat, when the main shaft is pressed down to a certain position, the oil cylinder and the motor will drive the floating plate to move downward to prevent the motor's wind shield from being damaged by excessive force.

[0027] The detachable motor positioning seat is used, which can adapt to motors of different models and has higher overall adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of an automatic pressing device.

[0029] Figure 2 It is a side view of the automatic press-fitting device.

[0030] Figure 3 It is a cross-sectional view of the automatic press-fitting device.

[0031] Figure 4 yes Figure 3 Enlarged schematic diagram of point A in the middle.

[0032] Figure 5 yes Figure 3 Enlarged schematic diagram of point B in the middle.

[0033] Figure 6 It is a schematic diagram of the matching structure of the limiter, magnetic part and seesaw.

[0034] Figure 7 It is a structural diagram of the cooperation among the pressure block, the slider and the slide seat.

[0035] Figure 8 It is a structural diagram of the briquette.

[0036] Figure 9 It is a structural diagram of the slider.

[0037] As shown in the figure: 1. Cylinder; 2. Bearing gasket; 3. Bottom plate; 4. Air cover; 5. Planetary gear bracket; 6. Workbench; 7. Bracket; 8. First fixing plate; 9. Second fixing plate; 10. Spindle; 11. Magnetic element; 12. First spring; 13. Stopper; 14. Second spring; 15. First waist-shaped hole; 16. Rocker; 17. Positioning pin; 18. Strip hole; 19. Connecting rod; 20. Second waist-shaped hole; 21. Adjustment plate; 22. Mounting slot 23. Feeding seat; 24. Storage barrel; 25. Push block; 26. Linkage plate; 27. Countershaft; 28. Slide seat; 29. ​​Slider; 30. Third spring; 31. Press block; 32. Fourth spring; 33. First inclined surface; 34. Second inclined surface; 35. V-shaped notch; 36. Perforation; 37. Slide groove; 38. V-shaped protrusion; 39. Stop block; 40. Guide rod; 41. Floating plate; 42. Fifth spring; 43. Motor positioning seat; 44. Third fixed plate. DETAILED DESCRIPTION

[0038] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0039] Example 1:

[0040] An automatic press-fitting device is used to press a bearing gasket 2 into an oil cylinder 1, and simultaneously press the oil cylinder 1 into a motor, wherein the motor includes a hood portion 4 and a bottom plate portion 3, and a planetary gear bracket 5 is also provided on the bottom plate portion 3. The automatic press-fitting device includes a workbench 6, a controller, a bracket 7, a placement seat, a press-fitting mechanism, a pushing mechanism, and a supporting mechanism, wherein:

[0041] Workbench 6, for overall installation and fixation;

[0042] The bracket 7 includes two guide posts fixed on the workbench 6, and three fixing plates are fixed between the two guide posts, namely, the first fixing plate 8, the second fixing plate 9 and the third fixing plate 44 from top to bottom;

[0043] The press-fitting mechanism includes a first power mechanism, a main shaft 10, a magnetic member 11, a connecting rod 19, a limit member 13, a rocker 16, a positioning pin 17 and an adjustment plate 21, wherein:

[0044] The first power mechanism is a cylinder fixed on the first fixing plate 8, and the first power mechanism is electrically connected to the controller;

[0045] The main shaft 10 is fixed to the power end of the cylinder and can move vertically with the power end of the cylinder. The main shaft 10 is provided with three cavities, namely a middle cavity and two side cavities. The two side cavities are connected to the middle cavity. The middle cavity is for the vertical movement of the limit member 13, and the two side cavities are for the vertical movement of the two magnetic members 11. In addition, strip holes 18 are provided on both sides of the main shaft 10, and the strip holes 18 are connected to the middle cavity.

[0046] The limiter 13 is vertically slidably connected to the middle cavity of the main shaft 10. A second spring 14 is provided at its rear end. One end of the second spring 14 abuts against the main shaft 10, and the other end of the second spring 14 abuts against the limiter 13. Two mounting grooves 22 are provided at the top of the limiter 13 for mounting the rocker 16. A second waist-shaped hole 20 is provided in the middle of the limiter 13 for the connecting rod 19 to pass through.

[0047] There are two rockers 16, one end of one rocker 16 is rotatably connected to one of the mounting slots 22, and the other end of one rocker 16 extends out of the bar hole 18 on one side of the spindle 10, and one end of the other rocker 16 is rotatably connected to the other mounting slot 22, and the other end of the other rocker 16 extends out of the bar hole 18 on the other side of the spindle 10, and a first waist-shaped hole 15 is provided in the middle of each rocker 16, and each rocker 16 is fixed to the spindle 10 by a positioning pin 17 passing through the first waist-shaped hole 15, so that the user can control the position of the rocker 16 by controlling the other end of the rocker 16 extending out of the bar hole 18, thereby controlling the position of the limit member 13;

[0048] There are two magnetic members 11, each of which is disposed in a cavity on both sides. A connecting member is connected to the rear of each magnetic member 11, a first spring 12 is disposed at the rear of the connecting member, and a connecting rod 19 is connected between the connecting members of the two magnetic members 11;

[0049] The connecting rod 19 passes through the second waist-shaped hole 20 on the limiting member 13. When the limiting member 13 moves vertically to a certain position, the connecting rod 19 is also driven to move vertically, thereby driving the magnetic member 11 to move together, thereby achieving the initial position adjustment of the limiting member 13 and the magnetic member 11 through the seesaw 16.

[0050] The adjusting plate 21 is sleeved on the outside of the main shaft 10 and fixed on the second fixed plate 9. It is used to adjust the position of the rocker 16, that is, the position of the adjusting plate 21 outside the main shaft 10 can adjust the degree to which the rocker 16 is pressed down, and then the position of the limiter 13 can be adjusted. What we need to do is to adjust the position of the adjusting plate 21 during factory adjustment so that the lower end surfaces of the limiter 13, the main shaft 10 and the magnetic member 11 are flush, so that the feeding of the bearing gasket 2 can be facilitated;

[0051] The pushing mechanism includes a feeding seat 23, a material storage barrel 24, a pushing block 25 and a second power mechanism, wherein:

[0052] The feeding seat 23 is fixed on the second fixed plate 9, and is provided with a drop hole for the bearing gasket 2 of the storage barrel 24 to fall down. The lower part thereof is provided with a feeding trough for transporting the bearing gasket 2, and one end of the feeding trough is a loading position, which is aligned with the loading position of the main shaft 10;

[0053] The storage barrel 24 is fixed on the feeding seat 23 and is used to store the bearing gasket 2, and the bearing gasket 2 stored therein can fall from the drop hole into the feeding slot of the feeding seat 23;

[0054] Push block 25, sliding in the feeding trough, is used to deliver the bearing gasket 2 to the loading position;

[0055] The second power mechanism is a cylinder, which is used to drive the push block 25 to move;

[0056] The supporting mechanism includes a linkage plate 26, a secondary shaft 27, a slide 28, a slider 29 and a pressure block 31, wherein:

[0057] The linkage plate 26 is fixed to the main shaft 10 and moves along with the main shaft 10;

[0058] There are two secondary shafts 27, fixed on both sides of the linkage plate 26, and can also move with the main shaft 10;

[0059] The slide 28 is fixed on the third fixed plate 44 and is composed of two L-shaped plates, with the slider 29 sliding in the middle, which mainly plays a role of limiting and guiding;

[0060] The slider 29 slides in the slide seat 28. A slide groove 37 is provided in the middle thereof. A V-shaped protrusion 38 is provided on one side of the slide groove 37. The upper end surface of the V-shaped protrusion 38 is a first inclined surface 33. Two abutment blocks 39 are provided on one side of the slider 29. When the slider 29 extends to the bottom plate 3, the abutment blocks 39 can abut against the bottom plate 3. A through hole is provided on the other side of the slider 29 for a third spring 30 to pass through and abut against the slider 29. In this way, the slider 29 can be reset by the third spring 30.

[0061] The pressing block 31 vertically slides on the third fixed plate 44 through the sliding groove 37 of the sliding block 29, a fourth spring 32 for driving the pressing block 31 to reset is arranged below the pressing block 31, a V-shaped notch 35 is arranged on one side of the pressing block 31, the upper part of the V-shaped notch 35 is a second inclined surface 34, the X-shaped notch matches the V-shaped protrusion 38, the second inclined surface 34 matches the first inclined surface 33, so that the pressing block 31 drives the sliding block 29 to slide in the sliding seat 28 when the pressing block 31 is pressed, and an outer sleeve is further arranged between the pressing block 31 and the auxiliary shaft 27, so that the auxiliary shaft 27 vertically moves in the outer sleeve and extrudes the pressing block 31 when moving to a certain position, thereby driving the sliding block 29 to slide, realizing the linkage of the sliding block 29 and the main shaft 10;

[0062] The placing seat comprises two guide rods 40 fixed on the workbench 6, a floating plate 41 vertically sliding on the guide rods 40, a motor positioning seat 43 fixed on the floating plate 41 for fixing the motor, and a cylinder 1 positioning seat fixed on the third fixed plate 44 for positioning the cylinder 1, a fifth spring 42 is arranged on the guide rod 40 and located between the floating plate 41 and the workbench 6;

[0063] The controller is used for controlling the first power mechanism and the second power mechanism to work, which is a conventional controller in the prior art, so it is not described in detail here.

[0064] The working principle of the embodiment is that: first, the position of the adjusting plate 21 needs to be adjusted before leaving the factory, so that the lower end faces of the main shaft 10, the limiting piece 13 and the magnetic piece 11 are flush in the initial state, and then the machining is started:

[0065] S1, first put the motor into the motor positioning seat 43, then put the cylinder 1 on the motor and position it through the cylinder 1 positioning seat;

[0066] S2, the second power mechanism works to push the bearing washer 2 to the feeding position, at this time the bearing washer 2 is tightly attached below the main shaft 10 and is attracted by the magnetic piece 11;

[0067] S2, start the first power mechanism to control the main shaft 10 to move downward, at this time the adjusting plate 21 is fixed on the second fixed plate 9, so it does not move with the main shaft 10, thereby causing the adjusting plate 21 to slowly loosen the bent plate 16, the limiting piece 13 extends out of the main shaft 10 and enters the bearing washer 2 to limit the bearing washer 2 under the action of the second spring 14, and the auxiliary shaft 27 also moves downward together with the main shaft 10;

[0068] S3. When the main shaft 10 moves down to a certain position, the secondary shaft 27 will contact the pressure block 31, thereby pushing the slider 29 to move toward the motor, and finally making the abutment 39 on the slider 29 abut against the bottom plate 3 of the motor. At the same time, the limiter 13 will also contact the planetary gear bracket 5, and then be pushed upward by the planetary gear bracket 5. In this way, when the limiter 13 is pushed to a certain position, it will drive the connecting rod 19 to move upward together, and then drive the two magnetic parts 11 to move upward together. At this time, the magnetic attraction force of the magnetic part 11 on the bearing gasket 2 becomes much smaller, so that the bearing gasket 2 will not be attracted by the magnetic part 11 again after being pressed into the oil cylinder 1;

[0069] S4. When the main shaft 10 continues to press down, it will drive the oil cylinder 1 and the motor to move down a little bit. At this time, the floating plate 41 will also be pressed down a little until the stop block 39 on the slider 29 presses against the bottom plate 3 of the motor. Then, when the main shaft 10 is pressed down again, the bearing gasket 2 will be pressed into the oil cylinder 1 and the oil cylinder 1 will be pressed into the bottom plate 3 of the motor. Because the stop block 39 of the slider 29 presses against the bottom plate 3 of the motor, the motor bottom plate 3 is the only one that bears the force, and the fan cover 4 of the motor will not be damaged by the pressure.

[0070] S5. Finally, when the bearing gasket 2 is pressed into the cylinder 1 and the cylinder 1 is pressed into the motor bottom plate 3, the main shaft 10 will rise again, and the secondary shaft 27 will rise with the main shaft 10. At this time, the pressure block 31 will be reset under the action of the fourth spring 32, the slider 29 will be reset under the action of the third spring 30, the magnetic part 11 will be reset under the action of the first spring 12, the limit part 13 will be reset under the action of the second spring 14, and the floating seat will be reset under the action of the fifth spring 42. When the main shaft 10 returns to its initial position, the adjustment plate 21 will press the rocker 16 again. At this time, the main shaft 10, the limit part 13 and the lower end surface of the magnetic part 11 will be in a flush state again.

[0071] Example 2:

[0072] The difference from Example 1 is that in Example 2, there are multiple models of motor locating seats 43, each model of motor locating seat 43 is adapted to different models of motors, and the motor locating seat 43 is detachably connected to the floating plate 41 by bolts, so that when a certain model of motor needs to be processed, the corresponding model of motor locating seat 43 can be replaced, and the overall adaptability is higher.

[0073] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

[0074] Various changes and modifications will undoubtedly become apparent to those skilled in the art upon reading the foregoing description. Therefore, the appended claims should be construed to encompass all changes and modifications within the true intent and scope of the present invention. Any and all equivalents within the scope of the claims should be considered to be within the intent and scope of the present invention.

Claims

1. An automatic press-fitting device for a motor, a cylinder, and a bearing gasket, wherein the motor comprises a bottom plate portion (3) and a wind shield portion (4), and is characterized in that: It comprises a workbench (6), a controller, a bracket (7) arranged on the workbench (6), a placement seat arranged on the bracket (7) for placing the wind shield portion (4), a pressing mechanism arranged on the bracket (7) for pressing the bearing gasket (2) into the oil cylinder (1) and simultaneously pressing the oil cylinder (1) onto the bottom plate portion (3), a pushing mechanism for pushing the bearing gasket (2) into the pressing mechanism, and a supporting mechanism linked to the pressing mechanism for abutting against the bottom plate portion (3), wherein the pressing mechanism and the pushing mechanism are both electrically connected to the controller.

2. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 1, characterized in that: The press-fitting mechanism comprises a first fixing plate (8), a second fixing plate (9) and a third fixing plate (44) fixed on the bracket (7), a first power mechanism fixed on the first fixing plate (8) and a main shaft (10) arranged on the output part of the first power mechanism, wherein the main shaft (10) is vertically slidably connected to an end thereof away from the first power mechanism, and is provided with a magnetic member (11) for adsorbing the bearing gasket (2), a first spring (12) for driving the magnetic member (11) to reset, a limiting member (13) for limiting the movement of the bearing gasket (2) and a second spring (14) for driving the limiting member (13) to reset, and the press-fitting mechanism further comprises an adjusting mechanism for adjusting the initial state positions of the lower end surfaces of the magnetic member (11), the main shaft (10) and the limiting member (13).

3. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 2, characterized in that: The adjustment mechanism includes a seesaw (16) with a first waist-shaped hole (15) and a positioning pin (17) fixed on the main shaft (10) through the first waist-shaped hole (15). The main shaft (10) is provided with a strip hole (18) for the seesaw (16) to rotate. One end of the seesaw (16) is rotatably connected to the limiter (13), and the other end of the seesaw (16) extends out of the strip hole (18). There are two magnetic members (11), and the two magnetic members (1 1) are arranged on both sides of the limiter (13) and connected by a connecting rod (19); the limiter (13) is provided with a second waist-shaped hole (20) for the connecting rod (19) to move up and down; the main shaft (10) is also provided with an adjustment plate (21) for adjusting the position of the seesaw (16) so that the lower end surfaces of the main shaft (10), the limiter (13) and the magnetic member (11) are initially flush; the adjustment plate (21) is fixed on the second fixed plate (9); When the main shaft (10) is in the initial state, the adjustment plate (21) presses the other end of the rocker (16), and the lower end surfaces of the main shaft (10), the limit member (13) and the magnetic member (11) are flush. When the main shaft (10) moves downward, the adjustment plate (21) will release the other end of the rocker (16), and the limiting member (13) will move downward under the action of the second spring (14), thereby axially limiting the bearing gasket (2) adsorbed by the magnetic member (11).

4. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 3, characterized in that: The motor also includes a planetary gear support (5), When the main shaft (10) continues to move downward to the press-fitting position of the bearing gasket (2), the limiting member (13) will be pushed upward by the planetary gear bracket (5). At this time, the limiting member (13) will drive the connecting rod (19) to move upward, and at the same time drive the two magnetic members (11) to move upward, so that the bearing gasket (2) is not adsorbed by the magnetic member (11).

5. The automatic press-fitting device for a motor, a cylinder and a bearing gasket according to claim 4, characterized in that: Two parallel mounting grooves (22) are provided on the upper portion of the limiting member (13), and there are two rocker plates (16). Strip holes (18) are provided at positions corresponding to the two mounting grooves (22) on both sides of the main shaft (10). One end of one rocker plate (16) is rotatably connected to one of the mounting grooves (22), and the other end of one rocker plate (16) extends out of the strip hole (18) on one side of the main shaft (10). One end of another rocker plate (16) is rotatably connected to the other mounting groove (22), and the other end of the other rocker plate (16) extends out of the strip hole (18) on the other side of the main shaft (10).

6. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 3, characterized in that: The pushing mechanism comprises a feeding seat (23) fixed on a second fixed plate (9) and having an upper material position, a storage barrel (24) arranged on the feeding seat (23) for storing the bearing gasket (2), a pushing block (25) for pushing the bearing gasket (2) in the storage barrel (24) into the upper material position, and a second power mechanism for providing power to the pushing block (25).

7. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 3, characterized in that: The support mechanism includes a linkage plate (26) fixed on the main shaft (10), a secondary shaft (27) fixed on the linkage plate (26), a slide seat (28) arranged on the third fixed plate (44), a slider (29) sliding in the slider seat (28), a third spring (30) for driving the slider (29) to reset, a pressure block (31) vertically sliding on the third fixed plate (44) for driving the slider (29) to slide in the slider seat (28) and then extending into the bottom plate (3) to press against the bottom plate (3), and a fourth spring (32) for driving the pressure block (31) to reset, the slider (29) is provided with a first inclined surface (33), and the pressure block (31) is provided with a second inclined surface (34) matching the first inclined surface (33). When the secondary shaft (27) moves downward to a certain position along with the main shaft (10), the secondary shaft (27) will squeeze the pressing block (31), and at this time, the second inclined surface (34) on the pressing block (31) will squeeze the first inclined surface (33) on the slider (29), so that the slider (29) slides in the slide seat (28) until the slider (29) slides to the support position below the bottom plate (3).

8. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 7, characterized in that: A V-shaped notch (35) is provided on one side of the pressure block (31), and the upper part of the V-shaped notch (35) is a second inclined surface (34), and a through hole (36) for the fourth spring (32) to pass through is also provided on the pressure block (31), a sliding groove (37) for the pressure block (31) to pass through is provided in the middle of the slider (29), and a V-shaped protrusion (38) matching the V-shaped notch (35) is provided on one side of the sliding groove (37), and the upper end surface of the V-shaped protrusion (38) is a first inclined surface (33), and abutment blocks (39) for abutting against the bottom plate (3) are provided at both ends of one side of the slider (29).

9. The automatic press-fitting device for a motor, a cylinder, and a bearing gasket according to claim 1, characterized in that: The placement seat comprises a guide rod (40) fixed on a workbench (6), a floating plate (41) vertically sliding on the guide rod (40), and a fifth spring (42) sleeved on the guide rod (40) and located between the floating plate (41) and the workbench (6).

10. The automatic press-fitting device for a motor, a cylinder and a bearing gasket according to claim 9, characterized in that: It also includes a plurality of different types of motor positioning seats (43), and the different types of motor positioning seats (43) can be detachably connected to the floating plate (41).

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