Oil seal framework positioning and placing device

Abstract

The utility model belongs to the technical field of oil seal framework machining, and relates to an oil seal framework positioning and placing device which comprises an outer cover, a rotating shaft is rotatably arranged in the outer cover, a side door is rotatably arranged in the side face of the outer cover, and a driving assembly is arranged at the bottom of the outer cover and drives the rotating shaft and the side door to rotate synchronously. Three placing assemblies are sequentially arranged on the rotating shaft from top to bottom at intervals, each placing assembly comprises a rotating ring, a connecting column and a supporting ring, the rotating shaft is sleeved with the rotating ring, the rotating ring is coaxially and rotatably connected to the interior of the connecting column, four sets of placing frames are evenly and slidably arranged at the top of the supporting ring, and the end of the first set of placing frame is fixedly connected with the rotating ring; and the end parts of the other three groups of placing racks are connected into the connecting columns in a sliding manner. And force is transmitted to the other three first sliding blocks through sequential cooperation of springs, all the containing discs can be moved to the side close to the side door, and workers can conveniently take or place the oil seal framework on the containing discs.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil seal framework processing technical field relates to a kind of oil seal framework positioning and placing device. BACKGROUND

[0002] Oil seal framework refers to the reinforcing framework part in oil seal structure, usually made of metal or fiber material, for reinforcing the strength and durability of oil seal. The main role of oil seal framework is to support oil seal body, so that it maintains shape and tension, to ensure the stability and sealing effect of oil seal under various working conditions. Oil seal framework needs to be placed on site one by one in oil seal vulcanization production, so positioning and placing device will be used.

[0003] In the oil seal framework positioning and placing device disclosed in Chinese patent CN210556470U, a base is provided with a straight cylinder in the middle part, the straight cylinder is welded and fixed with the base, a sleeve ring is sleeved on the straight cylinder, a horizontal ring is provided on the outside of the sleeve ring, a fixed rod is installed on the horizontal ring, the horizontal ring is fixedly connected with the sleeve ring through the fixed rod, an outer cover is installed on the straight cylinder, an air extractor is provided on the outer cover, the air extractor is electrically connected with an external power switch, a purification cylinder is provided at the top end of the straight cylinder, a gas guide pipe is installed on the air extractor, a bent rod is provided on one side of the sleeve ring, the bent rod is rotatably connected with the straight cylinder, and an oil seal framework placing disc is installed on the bent rod.

[0004] When using the positioning and placing device, open the side plate and place the oil seal framework on the placing disc. The placing disc is provided with multiple and arranged in a circular array inside the outer cover. The placing disc inside the outer cover is far away from the side door, which is not convenient for workers to take or place oil seal framework from the inside placing disc.

[0005] To solve the above problems, the utility model provides an oil seal framework positioning and placing device. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the utility model provides an oil seal framework positioning and placing device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: a cover is provided, a rotating shaft is rotatably arranged inside the cover, a side door is rotatably arranged in the side of the cover, a driving assembly is arranged at the bottom of the cover, and the driving assembly drives the rotating shaft and the side door to rotate synchronously.

[0008] Three placing assemblies are sequentially and spacedly arranged on the rotating shaft from top to bottom, each of the placing assemblies comprises a rotating ring, a connecting column and a supporting ring, the rotating ring is sleeved on the rotating shaft, the rotating ring is coaxially connected to the inside of the connecting column, the top of the supporting ring is uniformly and slidably provided with four groups of placing racks, the end of the first group of placing racks is fixedly connected with the rotating ring, the ends of the other three groups of placing racks are slidably connected to the inside of the connecting column, springs are arranged between the first group of placing racks and the second group of placing racks, between the second group of placing racks and the third group of placing racks, and between the third group of placing racks and the fourth group of placing racks.

[0009] Further, the driving assembly comprises a motor, the motor is fixedly connected to the bottom of the outer cover, the bottom end of the rotating shaft is fixedly connected with the output shaft of the motor, the rotating shaft is vertically arranged, the top end of the rotating shaft penetrates through the top surface of the outer cover, the top end of the rotating shaft is provided with a transmission member, and the transmission member drives the side door to rotate when the rotating shaft rotates.

[0010] Further, the transmission member comprises a belt, a driving wheel is fixedly sleeved on the top end of the rotating shaft, a window is formed in the side surface of the outer cover, one end of the window is rotatably connected with a rotating column, the rotating column is parallel to the rotating shaft, one end of the side door is fixedly sleeved on the rotating column, the top end of the rotating column penetrates through the top surface of the outer cover, a driven wheel is fixedly sleeved on the top end of the rotating column, and the belt is drivingly sleeved on the driving wheel and the driven wheel.

[0011] Further, the rotating ring on the placing assembly located in the middle is fixedly sleeved on the rotating shaft, and the rotating rings on the other two placing assemblies are vertically and slidably sleeved on the rotating shaft.

[0012] Limiting grooves are formed in the outer surface of the rotating shaft at the two placing assemblies located above and below, the limiting grooves are vertically arranged, limiting blocks are fixedly connected to the inner walls of the two rotating rings which are slidably sleeved on the rotating shaft, and the limiting blocks are slidably connected in the corresponding limiting grooves.

[0013] Further, the top surface and the bottom surface of the connecting column located in the middle are symmetrically and fixedly connected with two electric telescopic rods, the output ends of the two electric telescopic rods located at the top are fixedly connected to the bottom of the connecting column located above, and the output ends of the two electric telescopic rods located at the bottom are fixedly connected to the top of the connecting column located below.

[0014] Further, the inner walls of the supporting rings are uniformly and fixedly connected with four connecting frames, and the other ends of the four connecting frames are fixedly connected to the outer surfaces of the bottoms of the corresponding connecting columns.

[0015] The supporting ring located in the middle is fixedly connected to the inner wall of the outer cover, and the other two supporting rings are in sliding fit with the inner wall of the outer cover.

[0016] Further, the four groups of placing racks each comprise a supporting rod, and a plurality of placing discs are fixedly connected to each supporting rod.

[0017] The outer surface of the middle part of each connecting column is provided with an annular first sliding groove, the inner wall of each first sliding groove is provided with a circular arc-shaped second sliding groove, the second sliding groove is communicated with the inner cavity of the connecting column, and the bottom surface of each first sliding groove is provided with a circular arc-shaped accommodation slot;

[0018] One end of the supporting rod is fixedly connected with a first sliding block, the first sliding block on the first group of placing racks is slidably connected to the outer surface of the corresponding rotating ring after sliding through the first sliding groove and the second sliding groove, the first sliding blocks on the other three groups of placing racks are slidably connected to the inside of the first sliding groove, the bottom of each first sliding block is fixedly connected with a second sliding block, the second sliding block is slidably connected to the inside of the accommodation slot, and the spring is fixedly connected between the corresponding two second sliding blocks and located in the inside of the accommodation slot.

[0019] Further, the other end of each supporting rod is fixedly connected with a circular arc block, the top surface of the supporting ring is provided with a circular arc-shaped groove, the circular arc block on the first group of placing racks is slidably connected to the top surface of the supporting ring, and the circular arc blocks on the other three groups of placing racks are slidably connected to the inside of the groove.

[0020] Further, the top of the outer cover is fixedly connected with a purification box, the top of the purification box is fixedly connected with an air outlet pipe, the air inlet at the bottom of the purification box is fixedly connected with an air suction pump, the input end of the air suction pump is fixedly connected with an air suction pipe, and one end of the air suction pipe penetrates through the top surface of the outer cover.

[0021] Compared with the prior art, the oil seal framework positioning and placing device has the following beneficial effects:

[0022] 1. The oil seal framework positioning and placing device is provided with a rotating shaft, a motor drives the rotating shaft to rotate, a rotating ring drives a first sliding block connected thereto to rotate, when the first sliding block rotates, the spring on one side is compressed, since the spring is compressed, force is transmitted to the next adjacent first sliding block, therefore, the force is transmitted to the other three first sliding blocks in sequence through the cooperation of the springs, all the first sliding blocks slide and move close to each other, and all the placing discs can be moved to the side close to the side door, so that the staff can take or place the oil seal framework on the placing disc, and the working efficiency is improved.

[0023] 2. The oil seal framework positioning and placing device is provided with a belt, the belt is drivenly sleeved on the driving wheel and the driven wheel, when the motor drives the rotating shaft to rotate, the rotating shaft drives the driving wheel to rotate, the belt drives the driven wheel to rotate, the rotating column drives the side door to rotate, so that the side door can be automatically opened when all the placing discs are driven to move to the side close to the side door, and the production cost is reduced.

[0024] 3. The oil seal framework positioning and placing device is sequentially and spacedly provided with three placing assemblies from top to bottom on the rotating shaft, the rotating ring sliding sleeves on the two placing assemblies at the top and the bottom are arranged on the rotating shaft, the electric telescopic rod can be started to drive the corresponding connecting column to move up and down, thereby adjusting the height of the two placing assemblies at the top and the bottom, and facilitating the operation of workers with different heights. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0026] Figure 2 is a schematic diagram of the structure of the outer cover in the utility model;

[0027] Figure 3 is a schematic diagram of the structure of the supporting ring in the utility model;

[0028] Figure 4 is a schematic diagram of the structure of the supporting rod in the utility model;

[0029] Figure 5 is a schematic diagram of the structure of the rotating ring in the utility model;

[0030] Figure 6 is a schematic diagram of the structure of the connecting column in the utility model.

[0031] In the figure: 1, outer cover; 2, side door; 3, purification box; 4, air suction pump; 5, air suction pipe; 6, driving wheel; 7, belt; 8, driven wheel; 9, rotating column; 10, electric telescopic rod; 11, motor; 12, rotating shaft; 13, supporting ring; 14, connecting column; 15, supporting rod; 16, placing disc; 17, connecting frame; 18, limiting groove; 19, circular arc block; 20, groove; 21, limiting block; 22, rotating ring; 23, spring; 24, first sliding groove; 25, second sliding groove; 26, first sliding block; 27, accommodation groove; 28, second sliding block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] As shown in Figures 1-6 The technical solutions adopted by the utility model are as follows: an oil seal framework positioning and placing device, comprising an outer cover 1, a rotating shaft 12 is arranged in the inner part of the outer cover 1. A side door 2 is arranged in the side of the outer cover 1.

[0034] The bottom of the outer cover 1 is provided with a driving assembly, which drives the synchronous rotation of the rotating shaft 12 and the side door 2.

[0035] The driving assembly comprises a motor 11 fixedly connected to the bottom of the outer cover 1, and the bottom end of the rotating shaft 12 is fixedly connected to the output shaft of the motor 11. The motor 11 drives the rotating shaft 12 to rotate. The rotating shaft 12 is vertically arranged, and the top end of the rotating shaft 12 penetrates the top surface of the outer cover 1, so that the top end of the rotating shaft 12 extends to the outside of the outer cover 1.

[0036] The top end of the rotating shaft 12 is provided with a transmission member, which drives the side door 2 to rotate when the rotating shaft 12 rotates.

[0037] The transmission member comprises a belt 7. The top end of the rotating shaft 12 is fixedly sleeved with a driving wheel 6, and the rotating shaft 12 rotates to drive the driving wheel 6 to rotate. A window is formed in the side surface of the outer cover 1, and one end of the window is rotatably connected with a rotating column 9. The rotating column 9 is parallel to the rotating shaft 12, and one end of the side door 2 is fixedly sleeved on the rotating column 9. The one end of the side door 2 is positioned in the window through the rotating column 9, so that the side door 2 blocks the window. The top end of the rotating column 9 penetrates the top surface of the outer cover 1, and the top end of the rotating column 9 is fixedly sleeved with a driven wheel 8. The belt 7 is transmission sleeved on the driving wheel 6 and the driven wheel 8. The driving wheel 6 and the driven wheel 8 rotate together through the belt 7.

[0038] Three placing assemblies are sequentially and spaced apart on the rotating shaft 12 from top to bottom. The placing assemblies each comprise a rotating ring 22, a connecting column 14 and a supporting ring 13. The rotating ring 22 is sleeved on the rotating shaft 12, and the rotating ring 22 is coaxially and rotationally connected to the inside of the connecting column 14.

[0039] The rotating ring 22 on the middle placing assembly is fixedly sleeved on the rotating shaft 12, and the rotating rings 22 on the other two placing assemblies are each vertically and slidingly sleeved on the rotating shaft 12. When the rotating shaft 12 rotates, the three rotating rings 22 can be driven to rotate.

[0040] Limiting grooves 18 are formed in the outer surface of the rotating shaft 12 at the upper and lower two placing assemblies, and the limiting grooves 18 are vertically arranged. Limiting blocks 21 are fixedly connected to the inner walls of the two rotating rings 22 slidingly sleeved on the rotating shaft 12, and the limiting blocks 21 are slidingly connected in the corresponding limiting grooves 18. Through the limitation of the limiting blocks 21, the corresponding two rotating rings 22 can only vertically slide on the rotating shaft 12. Under the action of the limiting grooves 18, the rotating shaft 12 drives the limiting blocks 21 to rotate, and then drives the rotating rings 22 to rotate.

[0041] The top and bottom surfaces of the middle connecting column 14 are symmetrically fixed with two electric telescopic rods 10. The output ends of the two electric telescopic rods 10 at the top are fixed to the bottom of the connecting column 14 above, so that the two electric telescopic rods 10 at the top push the connecting column 14 above to move up and down. The output ends of the two electric telescopic rods 10 at the bottom are fixed to the top of the connecting column 14 below, so that the two electric telescopic rods 10 at the bottom push the connecting column 14 below to move up and down. Therefore, the connecting column 14 can only move up and down.

[0042] The inner walls of the support rings 13 are uniformly fixed with four connecting frames 17, and the other ends of the four connecting frames 17 are fixed to the outer surfaces of the bottoms of the corresponding connecting columns 14.

[0043] The middle support ring 13 is fixed to the inner wall of the outer cover 1, and the support ring 13 and the corresponding connecting column 14 inside are fixed in the outer cover 1. The other two support rings 13 are in sliding fit with the inner wall of the outer cover 1, so that the two support rings 13 move up and down together with the connecting column 14.

[0044] The top of the support ring 13 is uniformly provided with four groups of placing frames, and the end of the first group of placing frames is fixed to the rotating ring 22, and the ends of the other three groups of placing frames are in sliding connection with the inside of the connecting column 14. The first group of placing frames and the second group of placing frames, the second group of placing frames and the third group of placing frames, and the third group of placing frames and the fourth group of placing frames are provided with springs 23. The first group of placing frames is adjacent to the second group of placing frames, the second group of placing frames is adjacent to the third group of placing frames, and the third group of placing frames is adjacent to the fourth group of placing frames.

[0045] The four groups of placing frames each include a support rod 15, and a plurality of placing discs 16 are fixed to each support rod 15 at intervals. The oil seal framework is placed on the placing disc 16.

[0046] The outer surface of the middle of each connecting column 14 is provided with a ring-shaped first sliding groove 24, the inner wall of each first sliding groove 24 is provided with a circular arc-shaped second sliding groove 25, and the second sliding groove 25 is in communication with the inner cavity of the connecting column 14. The bottom surface of each first sliding groove 24 is provided with a circular arc-shaped accommodation groove 27.

[0047] One end of the support rod 15 is fixed with a first sliding block 26. The first sliding block 26 on the first group of placing frames is in sliding connection with the outer surface of the corresponding rotating ring 22 after sliding through the first sliding groove 24 and the second sliding groove 25, so that when the rotating ring 22 rotates, the first sliding block 26 will slide on the first sliding groove 24 and the second sliding groove 25.

[0048] The first sliding block 26 on the rest of the three groups is slidably connected to the inside of the first sliding groove 24. The bottom of each first sliding block 26 is fixedly connected with a second sliding block 28, and the second sliding block 28 is slidably connected to the inside of the accommodation slot 27. The first sliding block 26 slides to drive the second sliding block 28 to slide in the accommodation slot 27.

[0049] The spring 23 is fixedly connected between the corresponding two second sliding blocks 28, and the spring 23 is located in the accommodation slot 27. When the second sliding block 28 compresses the spring 23, the accommodation slot 27 limits the spring 23, avoiding the spring 23 bending upward to extend, so as to reset the spring 23.

[0050] The other end of each support rod 15 is fixedly connected with an arc block 19. The top surface of the support ring 13 is provided with an arc-shaped groove 20. The arc block 19 on the first group of rests is slidably connected to the top surface of the support ring 13, and the arc blocks 19 on the remaining three groups of rests are slidably connected to the inside of the groove 20. The corresponding three arc blocks 19 are limited by the groove 20.

[0051] The top of the cover 1 is fixedly connected with a purification tank 3, and the top of the purification tank 3 is fixedly connected with an air outlet pipe. The purification tank 3 is a device that can effectively filter harmful substances in the air, and the purification tank 3 is an existing device. The gas purified by the purification tank 3 is discharged from the air outlet pipe.

[0052] The air inlet of the bottom of the purification tank 3 is fixedly connected with an air suction pump 4, and the output end of the air suction pump 4 is in communication with the air inlet of the purification tank 3. The input end of the air suction pump 4 is fixedly connected with an air suction pipe 5, and one end of the air suction pipe 5 is fixedly connected through the top surface of the cover 1. Starting the air suction pump 4 can discharge the gas in the cover 1 into the purification tank 3 through the air suction pipe 5.

[0053] Working principle:

[0054] When it is needed to place the oil seal framework on the rest disc 16, the motor 11 is started, and the output shaft of the motor 11 is rotated in the positive direction. The rotating shaft 12 is driven to rotate.

[0055] The rotating shaft 12 drives the rotating ring 22 located in the middle to rotate, and the rotating shaft 12 drives the limiting block 21 to rotate through the limiting slot 18, so that the two rotating rings 22 located above and below are driven to rotate. In turn, the three rotating rings 22 are synchronously rotated.

[0056] The rotating ring 22 drives a first sliding block 26 fixedly connected thereto to rotate, so that a support rod 15 connected to the first sliding block 26 moves, and a circular arc block 19 connected thereto slides on the top of the support ring 13. The first sliding block 26 slides on the second sliding groove 25 and the first sliding groove 24, and the first sliding block 26 drives a second sliding block 28 at the bottom to slide in the accommodation groove 27, and the second sliding block 28 presses a spring 23 connected thereto.

[0057] Since the four second sliding blocks 28 slide in the accommodation groove 27, when the second sliding block 28 presses the spring 23 connected thereto, the spring 23 transmits force to the next second sliding block 28, and then transmits force to all the second sliding blocks 28, so that all the second sliding blocks 28 slide in the accommodation groove 27.

[0058] The second sliding block 28 drives the first sliding block 26 to slide in the first sliding groove 24, so that the corresponding support rod 15 moves, and the corresponding three circular arc blocks 19 slide in the groove 20.

[0059] Therefore, all the support rods 15 rotate towards the side door 2, the distance between the adjacent two support rods 15 decreases, and all the placement discs 16 are moved to the side door 2.

[0060] The rotating shaft 12 drives the driving wheel 6 at the top to rotate, and the driving wheel 8 rotates through the transmission of the belt 7. The driven wheel 8 drives the rotating column 9 to rotate, so that the side door 2 rotates and is turned away from the window on the side of the outer cover 1, so that the staff can place the oil seal frame on the placement disc 16 through the window.

[0061] When the height of the upper placement disc 16 needs to be adjusted, the two electric telescopic rods 10 at the top are started, the output ends of the electric telescopic rods 10 push upward or pull downward the upper connecting column 14, so that the upper connecting column 14 drives the rotating ring 22 inside to move, and the limiting block 21 slides in the upper limiting groove 18, so that the upper support ring 13 slides on the inner wall of the outer cover 1, and the height of the upper placement disc 16 can be adjusted.

[0062] Similarly, when the height of the lower placement disc 16 needs to be adjusted, the two electric telescopic rods 10 at the bottom are started, the output ends of the electric telescopic rods 10 push downward or pull upward the lower connecting column 14, so that the lower support ring 13 slides on the inner wall of the outer cover 1, and the height of the lower placement disc 16 can be adjusted.

[0063] After the oil seal frame is placed, the output shaft of the motor 11 is reversed, so that the rotating shaft 12 rotates.

[0064] When the rotating shaft 12 rotates, the side door 2 rotates through the driving of the belt 7, so that the side door 2 rotates towards the inside of the window.

[0065] At the same time, the rotating shaft 12 drives the three rotating rings 22 to rotate, first, a first sliding block 26 connected with the rotating ring 22 rotates, the first sliding block 26 drives a second sliding block 28 connected therewith to slide in the displacement slot 27. Therefore, the second sliding block 28 no longer presses a spring 23 connected therewith, and simultaneously pulls one end of the spring 23 to move.

[0066] Therefore, the spring 23 gradually resets and pulls the corresponding first sliding block 26 to slide in the first sliding slot 24, so that the distance between the two adjacent support rods 15 increases.

[0067] The purification tank 3 and the air suction pump 4 are started, the air suction pump 4 will suck the gas in the outer cover 1 out to the purification tank 3 through the air suction pipe 5, and the purification tank 3 will discharge the purified gas. While the air suction, the external air will enter the outer cover 1 through the gap between the window and the side door 2. The peculiar smell emitted by the oil seal frame just finished processing is treated.

[0068] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An oil seal skeleton positioning and placing device, characterized by, The utility model provides a kind of automatic rotating and placing device, including cover (1), the inside rotation of cover (1) is provided with rotating shaft (12), the inside rotation of the side of cover (1) is provided with side door (2), the bottom of cover (1) is provided with driving assembly, and driving assembly drives rotating shaft (12) and side door (2) synchronous rotation; Three placing assemblies are sequentially and spaced apart on the rotating shaft (12) from top to bottom, each of the placing assemblies includes a rotating ring (22), a connecting column (14) and a supporting ring (13), the rotating ring (22) is sleeved on the rotating shaft (12), the rotating ring (22) is coaxially connected to the inside of the connecting column (14), the top of the supporting ring (13) is uniformly provided with four groups of placing racks, the end of the first group of placing racks is fixedly connected with the rotating ring (22), the ends of the other three groups of placing racks are slidingly connected to the inside of the connecting column (14), springs (23) are arranged between the first group of placing racks and the second group of placing racks, between the second group of placing racks and the third group of placing racks, and between the third group of placing racks and the fourth group of placing racks.

2. The oil seal carcass positioning and placement device of claim 1, wherein: The driving assembly includes a motor (11) fixedly connected to the bottom of the cover (1), the bottom end of the rotating shaft (12) is fixedly connected with the output shaft of the motor (11), the rotating shaft (12) is vertically arranged, the top end of the rotating shaft (12) penetrates the top surface of the cover (1) and is provided with a transmission member, and the transmission member drives the side door (2) to rotate when the rotating shaft (12) rotates.

3. The oil seal carcass positioning and placement device of claim 2, wherein: The transmission member includes a belt (7), the top end of the rotating shaft (12) is fixedly sleeved with a driving wheel (6), a window is formed in the side of the cover (1), one end of the window is rotatably connected with a rotating column (9) parallel to the rotating shaft (12), one end of the side door (2) is fixedly sleeved on the rotating column (9), the top end of the rotating column (9) penetrates the top surface of the cover (1) and is fixedly sleeved with a driven wheel (8), and the belt (7) is drivingly sleeved on the driving wheel (6) and the driven wheel (8).

4. The oil seal carcass positioning and placement device of claim 1, wherein: The rotating ring (22) on the placing assembly in the middle is fixedly sleeved on the rotating shaft (12), and the rotating rings (22) on the other two placing assemblies are vertically slidingly sleeved on the rotating shaft (12); Limiting grooves (18) are formed in the upper and lower placing assemblies on the outer surface of the rotating shaft (12), the limiting grooves (18) are vertically arranged, limiting blocks (21) are fixedly connected to the inner walls of the two rotating rings (22) slidingly sleeved on the rotating shaft (12), and the limiting blocks (21) are slidingly connected in the corresponding limiting grooves (18).

5. The oil seal carcass positioning and placement device of claim 4, wherein: Two electric telescopic rods (10) are symmetrically fixedly connected to the top surface and the bottom surface of the connecting column (14) in the middle, the output ends of the two electric telescopic rods (10) at the top are fixedly connected to the bottom of the connecting column (14) above, and the output ends of the two electric telescopic rods (10) at the bottom are fixedly connected to the top of the connecting column (14) below.

6. The oil seal carcass positioning and placement device of claim 5, wherein: The inner walls of the supporting rings (13) are uniformly fixedly connected with four connecting frames (17), and the other ends of the four connecting frames (17) are fixedly connected to the outer surfaces of the bottoms of the corresponding connecting columns (14). The middle support ring (13) is fixedly connected to the inner wall of the outer cover (1), and the other two support rings (13) are in sliding fit with the inner wall of the outer cover (1).

7. The oil seal carcass positioning and placement device of claim 1, wherein: The four groups of placement racks each comprise a support rod (15), and a plurality of placement discs (16) are fixedly connected to the support rod (15) at intervals. An annular first sliding groove (24) is formed in the outer surface of the middle part of each connecting column (14), an arc-shaped second sliding groove (25) is formed in the inner wall of each first sliding groove (24), the second sliding groove (25) is in communication with the inner cavity of the connecting column (14), and an arc-shaped accommodation groove (27) is formed in the bottom surface of each first sliding groove (24). One end of the support rod (15) is fixedly connected with a first sliding block (26), the first sliding block (26) on the first group of placement racks is fixedly connected to the outer surface of the corresponding rotating ring (22) after sliding through the first sliding groove (24) and the second sliding groove (25), the first sliding blocks (26) on the other three groups of placement racks are slidingly connected to the inside of the first sliding groove (24), the bottom of each first sliding block (26) is fixedly connected with a second sliding block (28), the second sliding block (28) is slidingly connected to the inside of the accommodation groove (27), and the spring (23) is fixedly connected between the corresponding two second sliding blocks (28) and located in the inside of the accommodation groove (27).

8. The oil seal carcass positioning and placement device of claim 7, wherein: The other end of each support rod (15) is fixedly connected with an arc block (19), an arc-shaped groove (20) is formed in the top surface of the support ring (13), the arc block (19) on the first group of placement racks is slidingly connected to the top surface of the support ring (13), and the arc blocks (19) on the other three groups of placement racks are slidingly connected to the inside of the groove (20).

9. The oil seal carcass positioning and placement device of claim 1, wherein: The top of the outer cover (1) is fixedly connected with a purification box (3), the top of the purification box (3) is fixedly connected with an air outlet pipe, the air inlet at the bottom of the purification box (3) is fixedly connected with an air suction pump (4), the input end of the air suction pump (4) is fixedly connected with an air suction pipe (5), and one end of the air suction pipe (5) fixedly penetrates the top surface of the outer cover (1).

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