A bearing manufacturing and pressing device with a fixed structure and its usage method

Abstract

This invention discloses a bearing manufacturing and pressing device with a fixed structure and its usage method, comprising a base structure, a collecting structure, a buffer structure, a driving structure, an oil storage structure, and a pressing structure. The inner wall of the base structure is fixedly connected to the outer wall of the collecting structure, the inner bottom wall of the collecting structure is fixedly connected to the bottom end of the buffer structure, the bottom of the base structure is fixedly connected to the top end of the driving structure, the outer wall of the driving structure is movably sleeved with the inner wall of the oil storage structure, and the inner wall of the top of the oil storage structure is slidably connected to the outer wall of the pressing structure. This bearing manufacturing and pressing device with a fixed structure and its usage method, through the coordinated use of the buffer structure, driving structure, and pressing structure, avoids the easy displacement of the bearing during pressing, allows the inner ring of the bearing to quickly and accurately enter the interior of the outer ring, and prevents the rolling balls from splashing, bringing convenience to the operator.

Description

Technical Field

[0001] This invention relates to the field of bearing production and processing equipment technology, specifically to a bearing production and processing pressing device with a fixed structure and its usage method. Background Technology

[0002] Bearings are essential components in modern machinery. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during movement, and ensure rotational accuracy. Early linear motion bearings consisted of a row of wooden rods placed under a row of skids. Modern linear motion bearings use the same working principle, although sometimes balls are used instead of rollers. The simplest rotary bearing is the bushing bearing, which is simply a bushing sandwiched between a wheel and an axle. This design was later replaced by rolling bearings, which use many cylindrical rollers instead of the original bushing, with each rolling element acting like an individual wheel.

[0003] Currently, most adjustable bearing manufacturing and pressing devices on the market are prone to bearing displacement during use, which can cause the inner ring to fail to be accurately pressed into the outer ring, or even cause the rolling balls to splash, causing inconvenience to the operators. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a bearing manufacturing and pressing device with a fixed structure and its usage method, which solves the problem that bearings in existing adjustable bearing manufacturing and pressing devices are prone to displacement during pressing.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a bearing manufacturing and pressing device with a fixed structure, comprising a base structure, a collecting structure, a buffer structure, a driving structure, an oil storage structure, and an extrusion structure. The inner wall of the base structure is fixedly connected to the outer wall of the collecting structure, the inner bottom wall of the collecting structure is fixedly connected to the bottom end of the buffer structure, the bottom of the base structure is fixedly connected to the top end of the driving structure, the outer wall of the driving structure is movably sleeved with the inner wall of the oil storage structure, the inner wall of the top of the oil storage structure is slidably connected to the outer wall of the extrusion structure, one side of the extrusion structure is fixedly connected to the inner wall of the base structure near the top, and one side of the extrusion structure is fixedly connected to the outer wall of the driving structure.

[0006] Preferably, the base structure consists of two support plates, a top plate, and a baffle. The inner sidewalls of the top of the two support plates are fixedly connected to the two sides of the top plate, the inner walls of the two support plates are slidably connected to the outer wall of the baffle, and the inner sidewall of the baffle is provided with a pushing groove.

[0007] Preferably, the collection structure includes a collection platform, a guide block, and a recycling box. The two sides of the collection platform are fixedly connected to the inner sidewalls of two support plates near the bottom. The top of the collection platform is fixedly connected to the bottom of the guide block. An oil outlet is provided on the top of the collection platform. A recycling chamber is provided inside the collection platform. The inner bottom wall of the recycling chamber is movably engaged with the bottom of the recycling box. A sealing door is provided on the inner wall of the recycling chamber. A guide block is provided on the bottom of the recycling box. A guide groove is provided on the inner bottom wall of the collection chamber. The inner wall of the guide groove is slidably connected to the outer wall of the guide block.

[0008] Preferably, the buffer structure comprises a fixed tube, a buffer spring, a sealing sheet, a buffer rod, a limiting block, a pushing block, and a return spring. The bottom end of the fixed tube is fixedly connected to the inner bottom wall of the recovery chamber. The inner bottom wall of the fixed tube is fixedly connected to one end of the buffer spring, and the other end of the buffer spring is fixedly connected to the bottom end of the buffer rod. The outer wall of the buffer rod near the waist is fixedly connected to the inner wall of the sealing sheet, and the top of the sealing sheet is movably abutting against the inner top wall of the recovery chamber. The sealing sheet is located directly below the oil outlet. The top end of the buffer rod penetrates the inner top wall of the recovery chamber and extends to the top of the collection platform. The inner wall of the buffer rod has a working chamber, and the inner wall of the working chamber slides against the outer wall of the limiting block. The inner wall of the working chamber slides against the outer wall of the pushing block. A fixed block is provided at the bottom of the pushing block. The bottom of the pushing block is fixedly connected to the top end of the return spring, and the bottom end of the return spring is fixedly connected to the top end of the buffer rod.

[0009] Preferably, the driving structure includes a hydraulic cylinder, a hydraulic rod, and a pressing block, wherein the top end of the hydraulic cylinder is fixedly connected to the bottom of the top plate, the output end of the hydraulic cylinder is fixedly connected to one end of the hydraulic rod, and the other end of the hydraulic rod is fixedly connected to the top of the pressing block, the hydraulic rod is composed of two rod sections, and the diameter of the upper rod section is larger than the diameter of the lower rod section.

[0010] Preferably, the oil storage structure consists of an oil storage bag and an auxiliary block, with the bottom of the oil storage bag movably abutting against the top of the pressing block, the top of the oil storage bag movably abutting against the bottom of the auxiliary block, and the inner wall of the auxiliary block movably sleeved with the outer wall of the lower end of the hydraulic rod. The inner wall of the top of the auxiliary block is provided with a sliding groove, and the bottom of the oil storage bag is provided with a spray hole. The inside of the oil storage bag is filled with lubricating oil.

[0011] Preferably, the extrusion structure includes a push rod, an extrusion block, a connecting block, a connecting rod, a sliding block, and a linkage rod. The inner wall of one end of the push rod is fixedly connected to the outer wall of the hydraulic cylinder via a rotating block. The inner wall of the other end of the push rod is fixedly connected to the outer wall of the extrusion block via a rotating block. The inner wall of the extrusion block is movably sleeved with the outer wall of the connecting rod. The inner wall of one end of the connecting rod is rotatably connected to the outer wall of the connecting block. One side of the connecting block is fixedly connected to the inner side wall of the support plate near the top. The inner wall of the other end of the connecting rod is rotatably connected to the outer wall of the sliding block. The outer wall of the sliding block is slidably connected to the inner wall of the sliding groove. The outer wall of the extrusion block is fixedly connected to one end of the linkage rod. The other end of the linkage rod slidably abuts against the inner wall of the push groove.

[0012] Preferably, the method of using the bearing manufacturing and pressing device with a fixed structure includes the following steps:

[0013] S: The worker places the outer ring of the bearing onto the outer wall of the buffer rod and makes the bottom of the outer ring abut against the top of the collection platform. The rolling ball is placed inside the outer ring and the inner ring is placed inside the outer ring, so that the rolling ball is located between the outer ring and the inner ring.

[0014] S: Start the hydraulic cylinder. The hydraulic cylinder pushes the hydraulic rod downward, which in turn pushes the pressing block downward. As the pressing block moves downward, the sliding block slides on the inner wall of the auxiliary block under the pulling force of the connecting rod and the connecting block. The pushing rod pushes the extrusion block downward along the connecting rod and finally extrudes the auxiliary block, squeezing the lubricating oil in the oil storage bag into the space between the outer and inner rings. The extrusion block drives the baffle to move downward through the linkage rod and abuts against the top of the collection platform. At the same time, the pressing block pushes the pushing block to slide into the buffer rod and pushes the limiting block out of the buffer rod, so that the limiting block fixes the inner ring. The buffer rod moves into the fixed tube and extrudes the buffer spring. As the buffer rod moves downward, it drives the sealing plate to detach from the bottom of the oil outlet of the collection platform. Finally, the pressing block presses the inner ring into the outer ring.

[0015] S: After the outer ring is pressed into the inner ring, the excess lubricating oil will be squeezed out and, under the guidance of the baffle and guide block, will enter the collection platform through the oil storage port and finally fall into the recycling box under the action of gravity.

[0016] Beneficial effects

[0017] This invention provides a bearing manufacturing and pressing device with a fixed structure and its usage method. Compared with the prior art, it has the following advantages:

[0018] (1) The bearing production and processing pressing device with a fixed structure and its usage method, through the cooperation of buffer structure, drive structure and extrusion structure, avoids the bearing from being easily displaced when pressed under force, so that the inner ring of the bearing can quickly and accurately enter the inner ring of the outer ring, and avoids the rolling balls from splashing, which brings convenience to the workers and ensures the personal safety of the workers.

[0019] (2) The bearing production and processing pressing device with a fixed structure and its usage method use the oil storage structure, driving structure and extrusion structure in combination. After the bearing is pressed, the lubricating oil will be directly introduced between the inner ring and the outer ring, giving the rolling ball a large amount of lubricating force, which facilitates the inner ring to enter the outer ring. There is no need for manual labor to inject the lubricating oil into the bearing, which also brings convenience to the workers.

[0020] (3) The bearing production and processing pressing device with a fixed structure and its usage method use the collection structure, driving structure and extrusion structure in combination. Excess lubricating oil enters the interior of the collection structure under the guidance of the collection structure, which reduces the cost of manual cleaning and brings convenience to the cleaning work of the staff. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a cross-sectional view of the overall structure of the present invention;

[0023] Figure 3 This is an exploded view of the overall structure of the present invention;

[0024] Figure 4 Exploded structural diagrams were collected for this invention;

[0025] Figure 5 This is an exploded view of the buffer structure of the present invention;

[0026] Figure 6 This is an exploded view of the extrusion structure of the present invention.

[0027] In the diagram: 1. Base structure; 101. Support plate; 102. Top plate; 103. Baffle; 2. Collection structure; 201. Collection platform; 202. Guide block; 203. Recycling box; 3. Buffer structure; 301. Fixing pipe; 302. Buffer spring; 303. Sealing plate; 304. Buffer rod; 305. Limiting block; 306. Pushing block; 307. Return spring; 4. Drive structure; 401. Hydraulic cylinder; 402. Hydraulic rod; 403. Pressing block; 5. Oil storage structure; 501. Oil storage bag; 502. Auxiliary block; 6. Extrusion structure; 601. Pushing rod; 602. Extrusion block; 603. Connecting block; 604. Connecting rod; 605. Sliding block; 606. Linkage rod. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figure 1-6 A bearing manufacturing and pressing device with a fixed structure includes a base structure 1, a collecting structure 2, a buffer structure 3, a driving structure 4, an oil storage structure 5, and an extrusion structure 6. The inner wall of the base structure 1 is fixedly connected to the outer wall of the collecting structure 2. The inner bottom wall of the collecting structure 2 is fixedly connected to the bottom end of the buffer structure 3. The bottom of the base structure 1 is fixedly connected to the top end of the driving structure 4. The outer wall of the driving structure 4 is movably sleeved with the inner wall of the oil storage structure 5. The inner wall of the top of the oil storage structure 5 is slidably connected to the outer wall of the extrusion structure 6. One side of the extrusion structure 6 is fixedly connected to the inner wall of the base structure 1 near the top. One side of the extrusion structure 6 is fixedly connected to the outer wall of the driving structure 4.

[0030] In this invention, the base structure 1 consists of two support plates 101, a top plate 102, and a baffle 103. The inner sidewalls of the top of the two support plates 101 are fixedly connected to the two sides of the top plate 102, respectively. The inner walls of the two support plates 101 are slidably connected to the outer wall of the baffle 103, and the inner sidewall of the baffle 103 is provided with a pushing groove. The top plate 102 can prevent certain dust and foreign objects from entering the bearing during the pressing process, and also provides stability to the device during operation.

[0031] In this invention, the collection structure 2 includes a collection platform 201, a guide block 202, and a recycling box 203. The two sides of the collection platform 201 are fixedly connected to the inner sidewalls of two support plates 101 near the bottom. The top of the collection platform 201 is fixedly connected to the bottom of the guide block 202, and an oil outlet is provided on the top of the collection platform 201. A recycling chamber is provided inside the collection platform 201, and the inner bottom wall of the recycling chamber is movably engaged with the bottom of the recycling box 203. A sealing door is provided on the inner wall of the recycling chamber, and a guide block is provided on the bottom of the recycling box 203. A guide groove is provided on the inner bottom wall of the collection chamber, and the inner wall of the guide groove is slidably connected to the outer wall of the guide block. The lubricating oil on the collection platform 201 enters the recycling box 203 through the oil outlet under the guidance of the guide block 202. Workers can remove the recycling box 203 from the collection platform 201 by opening the sealing door, which brings convenience to people's cleaning and recycling work.

[0032] In this invention, the buffer structure 3 comprises a fixed tube 301, a buffer spring 302, a sealing plate 303, a buffer rod 304, a limiting block 305, a pushing block 306, and a return spring 307. The bottom end of the fixed tube 301 is fixedly connected to the inner bottom wall of the recovery chamber. The inner bottom wall of the fixed tube 301 is fixedly connected to one end of the buffer spring 302, and the other end of the buffer spring 302 is fixedly connected to the bottom end of the buffer rod 304. The outer wall of the buffer rod 304 near its waist is fixedly connected to the inner wall of the sealing plate 303, and the top of the sealing plate 303 is movably abutting against the inner top wall of the recovery chamber. The sealing plate 303 is positioned directly below the oil outlet. The buffer rod 304 has its top end penetrating the inner top wall of the recycling chamber and extending to the top of the collection platform 201. The inner wall of the buffer rod 304 has a working chamber, and the inner wall of the working chamber slides against the outer wall of the limiting block 305. The inner wall of the working chamber is slidably connected to the outer wall of the pushing block 306, and a fixing block is provided at the bottom of the pushing block 306. The bottom of the pushing block 306 is fixedly connected to the top end of the return spring 307, and the bottom end of the return spring 307 is fixedly connected to the top end of the buffer rod 304. The operator puts the outer ring and inner ring of the bearing on the outer wall of the buffer rod 304, and the buffer rod 304 can limit the inner ring and outer ring of the bearing.

[0033] In this invention, the driving structure 4 includes a hydraulic cylinder 401, a hydraulic rod 402, and a pressing block 403. The top end of the hydraulic cylinder 401 is fixedly connected to the bottom of the top plate 102. The output end of the hydraulic cylinder 401 is fixedly connected to one end of the hydraulic rod 402, and the other end of the hydraulic rod 402 is fixedly connected to the top of the pressing block 403. The hydraulic rod 402 consists of two rod sections, and the diameter of the upper rod section is larger than the diameter of the lower rod section. When the hydraulic cylinder 401 is started, it pushes the hydraulic rod 402 downward, and the hydraulic rod 402 can drive the pressing block 403 downward.

[0034] In this invention, the oil storage structure 5 consists of an oil storage bag 501 and an auxiliary block 502. The bottom of the oil storage bag 501 is in movable contact with the top of the pressing block 403, and the top of the oil storage bag 501 is in movable contact with the bottom of the auxiliary block 502. The inner wall of the auxiliary block 502 is in movable sleeve with the outer wall of the lower end of the hydraulic rod 402. A sliding groove is provided on the inner wall of the top of the auxiliary block 502, and a spray hole is provided on the bottom of the oil storage bag 501. The inside of the oil storage bag 501 is filled with lubricating oil. When the auxiliary block 502 squeezes the oil storage bag 501, the lubricating oil in the oil storage bag 501 will be discharged from the spray hole at the bottom of the oil storage bag 501.

[0035] In this invention, the extrusion structure 6 includes a push rod 601, an extrusion block 602, a connecting block 603, a connecting rod 604, a sliding block 605, and a linkage rod 606. The inner wall of one end of the push rod 601 is fixedly connected to the outer wall of the hydraulic cylinder 401 via a rotating block. The inner wall of the other end of the push rod 601 is fixedly connected to the outer wall of the extrusion block 602 via a rotating block. The inner wall of the extrusion block 602 is movably sleeved with the outer wall of the connecting rod 604. The inner wall of one end of the connecting rod 604 is rotatably connected to the outer wall of the connecting block 603. One side of the connecting block 603 is fixedly connected to the inner sidewall of the support plate 101 near the top. The inner wall of the other end of the connecting rod 604 is rotatably connected to the outer wall of the sliding block 605, and the outer wall of the sliding block 605 is slidably connected to the inner wall of the sliding groove. The outer wall of the extrusion block 602 is fixedly connected to one end of the linkage rod 606, and the other end of the linkage rod 606 slides against the inner wall of the pushing groove. When the hydraulic rod 402 drives the auxiliary block 502 to move downward, the sliding block 605 slides on the inner wall of the auxiliary block 502 under the pulling force of the connecting rod 604 and the connecting block 603. The pushing rod 601 pushes the extrusion block 602 to slide downward along the connecting rod 604 and finally extrudes the auxiliary block 502.

[0036] A method for using a bearing manufacturing and pressing device with a fixed structure includes the following steps:

[0037] S1: The worker places the outer ring of the bearing onto the outer wall of the buffer rod 304 and makes the bottom of the outer ring abut against the top of the collection platform 201. The rolling ball is placed inside the outer ring and the inner ring is placed inside the outer ring, so that the rolling ball is located between the outer ring and the inner ring.

[0038] S2: Start hydraulic cylinder 401. Hydraulic cylinder 401 pushes hydraulic rod 402 downward. Hydraulic rod 402 pushes pressing block 403 downward. When pressing block 403 moves downward, sliding block 605 slides on the inner wall of auxiliary block 502 under the pulling force of connecting rod 604 and connecting block 603. Push rod 601 pushes extrusion block 602 to slide downward along connecting rod 604 and finally extrudes auxiliary block 502, squeezing the lubricating oil in oil storage bag 501 between outer ring and inner ring. Extrusion block 602 passes through... The linkage rod 606 drives the baffle 103 to move downward and abut against the top of the collection platform 201. At the same time, the pressing block 403 pushes the pushing block 306 to slide into the buffer rod 304 and pushes the limiting block 305 to protrude from the buffer rod 304, so that the limiting block 305 fixes the inner ring. The buffer rod 304 moves into the fixing tube 301 and squeezes the buffer spring 302. As the buffer rod 304 moves downward, it drives the sealing plate 303 to detach from the bottom of the oil outlet of the collection platform 201. Finally, the pressing block 403 presses the inner ring into the outer ring.

[0039] S3: After the outer ring is pressed into the inner ring, the excess lubricating oil will be squeezed out and, under the guidance of the baffle 103 and the guide block 202, will enter the collection platform 201 through the oil storage port and finally fall into the recycling box 203 under the action of gravity.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bearing production and processing press device with a fixed structure, comprising a base structure (1), a collecting structure (2), a buffering structure (3), a driving structure (4), an oil storage structure (5) and an extrusion structure (6), characterized in that: The inner wall of the base structure (1) is fixedly connected to the outer wall of the collection structure (2), the inner bottom wall of the collection structure (2) is fixedly connected to the bottom end of the buffer structure (3), the bottom of the top plate (102) of the base structure (1) is fixedly connected to the top end of the drive structure (4), the outer wall of the drive structure (4) is movably sleeved with the inner wall of the oil storage structure (5), the inner wall of the top of the oil storage structure (5) is slidably connected to the outer wall of the extrusion structure (6), one side of the extrusion structure (6) is fixedly connected to the inner wall of the base structure (1) near the top, and one side of the extrusion structure (6) is fixedly connected to the outer wall of the drive structure (4). The base structure (1) consists of two support plates (101), a top plate (102) and a baffle (103). The inner sidewalls of the top of the two support plates (101) are fixedly connected to the two sides of the top plate (102), and the inner walls of the two support plates (101) are slidably connected to the outer wall of the baffle (103). The inner sidewall of the baffle (103) is provided with a pushing groove. The drive structure (4) includes a hydraulic cylinder (401), a hydraulic rod (402), and a pressing block (403). The top end of the hydraulic cylinder (401) is fixedly connected to the bottom of the top plate (102). The output end of the hydraulic cylinder (401) is fixedly connected to one end of the hydraulic rod (402), and the other end of the hydraulic rod (402) is fixedly connected to the top of the pressing block (403). The hydraulic rod (402) is composed of two rod sections, and the diameter of the upper rod section is larger than the diameter of the lower rod section. The oil storage structure (5) consists of an oil storage bag (501) and an auxiliary block (502). The bottom of the oil storage bag (501) is in movable contact with the top of the pressing block (403). The top of the oil storage bag (501) is in movable contact with the bottom of the auxiliary block (502). The inner wall of the auxiliary block (502) is in movable sleeve with the outer wall of the lower end of the hydraulic rod (402). The inner wall of the top of the auxiliary block (502) is provided with a sliding groove. The bottom of the oil storage bag (501) is provided with a spray hole. The inside of the oil storage bag (501) is filled with lubricating oil. The extrusion structure (6) includes a push rod (601), an extrusion block (602), a connecting block (603), a connecting rod (604), a sliding block (605), and a linkage rod (606). The inner wall of one end of the push rod (601) is fixedly connected to the outer wall of the hydraulic cylinder (401) through a rotating block. The inner wall of the other end of the push rod (601) is fixedly connected to the outer wall of the extrusion block (602) through a rotating block. The inner wall of the extrusion block (602) is movably sleeved with the outer wall of the connecting rod (604). The inner wall of one end of the connecting rod (604) is rotatably connected to the outer wall of the connecting block (603). One side of the connecting block (603) is fixedly connected to the inner side wall of the support plate (101) near the top. The inner wall of the other end of the rod (604) is rotatably connected to the outer wall of the sliding block (605), and the outer wall of the sliding block (605) is slidably connected to the inner wall of the sliding groove. The outer wall of the extrusion block (602) is fixedly connected to one end of the linkage rod (606), and the other end of the linkage rod (606) slides against the inner wall of the push groove. When the hydraulic rod (402) drives the auxiliary block (502) to move downward, the sliding block (605) slides on the inner wall of the auxiliary block (502) under the pulling force of the connecting rod (604) and the connecting block (603). The push rod (601) pushes the extrusion block (602) to slide downward along the connecting rod (604) and finally extrudes the auxiliary block (502).

2. The bearing production and processing press device with a fixed structure according to claim 1, characterized in that: The collection structure (2) includes a collection platform (201), a guide block (202), and a recycling box (203). The two sides of the collection platform (201) are fixedly connected to the inner sidewalls of the two support plates (101) near the bottom. The top of the collection platform (201) is fixedly connected to the bottom of the guide block (202). An oil outlet is provided on the top of the collection platform (201). A recycling chamber is provided inside the collection platform (201). The inner bottom wall of the recycling chamber is movably engaged with the bottom of the recycling box (203). A sealing door is provided on the inner wall of the recycling chamber. A guide block is provided on the bottom of the recycling box (203). A guide groove is provided on the inner bottom wall of the recycling chamber. The inner wall of the guide groove is slidably connected to the outer wall of the guide block.

3. The bearing production and processing press device with a fixed structure according to claim 2, characterized in that: The buffer structure (3) consists of a fixed tube (301), a buffer spring (302), a sealing plate (303), a buffer rod (304), a limiting block (305), a pushing block (306), and a return spring (307). The bottom end of the fixed tube (301) is fixedly connected to the inner bottom wall of the recovery chamber. The inner bottom wall of the fixed tube (301) is fixedly connected to one end of the buffer spring (302), and the other end of the buffer spring (302) is fixedly connected to the bottom end of the buffer rod (304). The outer wall of the buffer rod (304) near the waist is fixedly connected to the inner wall of the sealing plate (303), and the top of the sealing plate (303) is connected to the recovery chamber. The inner top wall of the buffer rod (304) is movable and abuts against the oil outlet. The sealing plate (303) is located directly below the oil outlet. The top end of the buffer rod (304) penetrates the inner top wall of the recovery chamber and extends to the top of the collection platform (201). The inner wall of the buffer rod (304) is provided with a working chamber. The inner wall of the working chamber slides against the outer wall of the limiting block (305). The inner wall of the working chamber slides against the outer wall of the pushing block (306). The bottom of the pushing block (306) is provided with a fixing block. The bottom of the pushing block (306) is fixedly connected to the top end of the return spring (307). The bottom end of the return spring (307) is fixedly connected to the top end of the buffer rod (304).

4. The method of using the bearing manufacturing and pressing device with a fixed structure according to claim 3 includes the following steps: S1: The worker puts the outer ring of the bearing on the outer wall of the buffer rod (304) and makes the bottom of the outer ring abut against the top of the collection platform (201), places the rolling ball inside the outer ring and places the inner ring inside the outer ring, so that the rolling ball is located between the outer ring and the inner ring. S2: Start the hydraulic cylinder (401). The hydraulic cylinder (401) pushes the hydraulic rod (402) downward. The hydraulic rod (402) pushes the pressing block (403) downward. When the pressing block (403) moves downward, the sliding block (605) slides on the inner wall of the auxiliary block (502) under the pulling force of the connecting rod (604) and the connecting block (603). The pushing rod (601) pushes the extrusion block (602) to slide downward along the connecting rod (604) and finally extrudes the auxiliary block (502), squeezing the lubricating oil in the oil storage bag (501) into the space between the outer ring and the inner ring. The extrusion block (602) passes through... The linkage rod (606) drives the baffle (103) to move downward and abut against the top of the collection platform (201). At the same time, the pressing block (403) pushes the pushing block (306) to slide into the buffer rod (304) and pushes the limiting block (305) to protrude from the buffer rod (304), so that the limiting block (305) fixes the inner ring. The buffer rod (304) moves into the fixed tube (301) and squeezes the buffer spring (302). As the buffer rod (304) moves downward, it drives the sealing plate (303) to detach from the bottom of the oil outlet of the collection platform (201). Finally, the pressing block (403) presses the inner ring into the outer ring. S3: After the outer ring is pressed into the inner ring, the excess lubricating oil will be squeezed out and, under the guidance of the baffle (103) and the guide block (202), will enter the collection platform (201) through the oil storage port and finally fall into the recycling box (203) under the action of gravity.

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