Bearing sealing ring mounting device and mounting method

Abstract

The invention relates to a bearing sealing ring mounting device and method, and belongs to the technical field of rolling bearing assembly. The press fitting device is characterized by comprising a positioning assembly, a press fitting assembly, a pressing die assembly, a pressure buffering assembly and a connecting assembly; the positioning assembly is coaxial with a machined bearing and located over the machined bearing so as to position the bearing. The press-fitting assembly sleeves the positioning assembly and is in up-down sliding fit with the positioning assembly; the positioning assembly is sleeved with the die pressing assembly, and the die pressing assembly is installed at the bottom end of the press-fitting assembly. The positioning assembly is sleeved with the pressure buffering assembly, and the pressure buffering assembly is arranged between the press-fitting assembly and the die pressing assembly. The pressing die assembly, the pressure buffering assembly and the press fitting assembly are connected into a whole through the connecting assembly. Through reasonable design of the automatic sealing ring mounting device, automatic mounting of the sealing ring is achieved, labor is saved, convenience is achieved, manufacturing is easy, manufacturing cost is low, the purpose of automatic mounting of the sealing ring can be well achieved, time and labor are saved, efficiency is high, and convenience and effectiveness are achieved.

Description

Technical Field

[0001] The invention relates to an automatic installation device and an installation method for a bearing sealing ring, and belongs to the technical field of rolling bearing assembly. Background Art

[0002] When bearing products are used in some specific occasions, they need to be installed with closed bearings with sealing rings, such as closed ball bearings with sealing rings. At present, bearing sealing rings are mainly installed manually, and the production efficiency is low. Figure 1 As shown, the sealing ring 1 is manually pressed into the sealing groove 3 of the processed bearing 2 to complete the installation, which is time-consuming and labor-intensive, the installation accuracy cannot be guaranteed, and the efficiency is low. Summary of the invention

[0003] The purpose of the present invention is to provide a bearing seal ring installation device and installation method to address the deficiencies of the above-mentioned prior art, so as to realize the automated installation of the bearing seal ring, save time and labor, ensure installation accuracy, and improve production efficiency.

[0004] The technical solution of the present invention is as follows: The first object of the present invention is to provide: a bearing sealing ring installation device, characterized in that it includes: a positioning component, a press-fitting component, a die assembly, a pressure-relief component, and a connecting component; the positioning component is coaxial with the bearing being processed and is located directly above it to position the bearing; the press-fitting component is sleeved outside the positioning component and slides up and down with the positioning component; the die assembly is sleeved outside the positioning component and installed at the bottom of the press-fitting component; the pressure-relief component is sleeved outside the positioning component and is arranged between the press-fitting component and the die assembly; the connecting component connects the die assembly, the pressure-relief component, and the press-fitting component into one.

[0005] In the above scheme, the positioning component is used to position the inner hole of the bearing, the press-fitting component is coaxial with the positioning component and slides with it; the die assembly is in flexibly contact with the sealing ring without damaging the sealing ring; the pressure relief component can improve the rigid contact force between the press-fitting component and the die assembly, reduce the impact and vibration between the two, and make the internal structure more stable; the connecting component realizes rapid assembly of various components and facilitates disassembly and assembly.

[0006] When in use, it can be equipped with an automated feeding mechanism to place the sealing ring to be installed outside the positioning assembly. After applying external force, the press-fitting assembly moves downward relative to the positioning assembly, driving the die assembly to press the sealing ring down, so that the sealing ring is separated from the positioning assembly and installed in the bearing sealing groove.

[0007] Furthermore, the positioning assembly includes a positioning guide shaft, the bottom end surface of which is provided with a positioning column matching the inner diameter of the bearing, so as to facilitate insertion into the inner hole of the bearing from top to bottom to fix it.

[0008] Furthermore, the press-fit assembly includes: an upper pressing sleeve, a guide post, a spring, and a blocking screw. The upper pressing sleeve is provided with a sliding cavity matching the outer diameter of the positioning guide shaft, and the guide post (the top) is fixed in the sliding cavity of the upper pressing sleeve; the positioning guide shaft is a hollow structure, and an annular block is provided on the inner wall of its cavity; the bottom of the guide post is inserted into the cavity of the positioning guide shaft, and a blocking screw is screwed on the bottom end face, and the blocking screw head and the annular block are mutually limited; the spring sleeve is provided outside the guide post, and its two ends are respectively in contact with the top of the sliding cavity of the upper pressing sleeve and the upper end face of the annular block.

[0009] In the above scheme, the inner diameter of the sliding cavity of the upper pressure sleeve matches the outer diameter of the positioning guide shaft so that they can slide with each other; the inner diameter of the annular stopper of the inner cavity wall of the positioning guide shaft matches the outer diameter of the guide column, which facilitates the upward and downward sliding displacement of the guide column; the blocking screw is installed at the bottom end of the guide column and is located below the annular stopper, and the outer diameter of the blocking screw head is larger than the inner diameter of the annular stopper, which facilitates mutual limiting and completes the assembly of the lower end of the guide column; the bottom limit of the spring is located in the installation space between the upper end surface of the annular stopper and the inner wall of the guide positioning shaft cavity. The above structure realizes the relative sliding of the upper pressure sleeve and the positioning guide shaft, and can be reset under the action of the spring.

[0010] Furthermore, the die assembly includes a pressure-carrying block and a sealing ring die; the pressure-carrying block is a hollow structure, which is sleeved outside the positioning guide shaft, and a pressure-carrying platform extends outward from its bottom end; the sealing ring die is installed on the bottom end face of the pressure-carrying platform, the inner diameter of the sealing ring die is consistent with the inner diameter of the pressure-carrying block, and the outer diameter of the sealing ring die is smaller than the outer diameter of the pressure-carrying platform, and a first step surface is formed.

[0011] In the above scheme, the actual working part of the sealing ring die is elastic rubber material, and the sealing ring is prevented from being crushed during the working process. The inner diameter of the pressure block and the inner diameter of the sealing ring die are respectively consistent with the inner diameter of the sliding cavity of the upper pressure sleeve, that is, they are matched with the outer diameter of the positioning guide shaft; the bottom end surface of the pressure platform is provided with an installation groove, and the sealing ring die is hard assembled in the installation groove; the outer diameter difference between the sealing ring die and the pressure block forms a first step surface.

[0012] Furthermore, the pressure relief assembly is a pressure transmission rubber ring with a cylindrical structure; the bottom end of the upper pressure sleeve is provided with an outwardly protruding clamping platform, and the end face of the clamping platform is provided with a clamping through hole, the aperture of the clamping through hole is larger than the inner diameter of the sliding cavity of the upper pressure sleeve, forming a second step surface; the top end of the pressure-bearing block is assembled on the second step surface at the bottom end of the upper pressure sleeve, and the pressure transmission rubber ring is located between the pressure-bearing platform and the clamping platform.

[0013] In the above scheme, the diameter of the clamping through hole of the upper pressure sleeve matches the outer diameter of the pressure block, the outer diameter of the pressure block matches the inner diameter of the pressure transmission rubber ring, the outer diameter of the pressure transmission rubber ring, the outer diameter of the pressure platform, and the outer diameter of the clamping platform are consistent and match the inner diameter of the die sleeve. The pressure transmission rubber ring provides a pressure transmission buffer between the upper pressure sleeve and the sealing ring die, and its size is reasonably designed according to the related components.

[0014] Furthermore, the connecting assembly includes a mold sleeve and a connecting ring. The mold sleeve is a hollow structure, and its upper end extends inward to form an annular limiting platform. The upper pressure sleeve passes through the mold sleeve cavity, and the clamping platform of the upper pressure sleeve is assembled on the limiting platform and limits each other; the pressure relief assembly and the die assembly are installed in the mold sleeve cavity, and the connecting ring is assembled on the first step surface of the pressure-bearing platform and the sealing ring die, and is locked and fixed to the lower end surface of the mold sleeve by screws.

[0015] In the above scheme, the inner diameter of the limiting platform of the die sleeve is smaller than the outer diameter of the clamping platform, which is convenient for mutual limiting assembly; the outer diameter of the connecting ring is consistent with the outer diameter of the die sleeve, and the inner diameter of the connecting ring is smaller than the outer diameter of the pressure platform, which is convenient for assembly at the first step surface. The die sleeve realizes the connection between the upper pressure sleeve and the sealing ring die, and its size is reasonably designed according to the structure of the upper pressure sleeve and the sealing ring die. The connecting ring connects the die sleeve and the sealing ring die at the same time, providing installation space for the sealing ring die, and its size is reasonably designed according to the structure of the sealing ring die and the die sleeve.

[0016] Furthermore, a vent hole communicating with the cavity is provided at the top of the side wall of the upper pressing sleeve to prevent residual gas in the sliding cavity of the upper pressing sleeve from affecting processing.

[0017] Furthermore, the lower end face of the sealing ring die has an outer edge provided with a protruding anti-turnover structure, and the anti-turnover structure includes an annular vertical surface, an annular buffer surface, and an annular contact surface; the vertical surface is vertically arranged (the cross section is a vertical line), connected to the lower end face of the sealing ring die, and its outer diameter is smaller than the outer diameter of the sealing ring die; the buffer surface is respectively connected to the vertical surface and the contact surface, and is arranged inclined outward (the cross section is an oblique line); the contact surface is a horizontal surface (the cross section is a horizontal line), and its outer diameter is consistent with the outer diameter of the sealing ring die.

[0018] In the above scheme, the inner diameter of the sealing ring die matches the outer diameter of the positioning guide shaft, and combined with the outer wall of the positioning guide shaft, the upper end face and inner hole of the sealing ring can be supported and protected during the press-fitting process, preventing the inner diameter area of ​​the sealing ring from flanging during the pressing process. The downward convex anti-flanging structure can support and protect the shoulder of the sealing ring during the press-fitting process, preventing the outer diameter area of ​​the sealing ring from flanging during the pressing process.

[0019] In the above scheme, the relationship between the height H of the downward convex anti-turnover structure, the depth H1 of the sealing groove, and the height H2 of the sealing ring is: H=H1-H2, and H is also the downward pressing distance of the sealing ring die in the sealing groove, which can ensure that the sealing ring is smoothly installed in the sealing groove.

[0020] When the sealing ring die presses the sealing ring into the bearing sealing groove, the downward convex anti-turnover structure contacts the shoulder of the sealing ring, simulating manual operation, and pressing the shoulder of the sealing ring into the sealing groove. During the press-fitting process, the contact surface of the anti-turnover structure presses tightly against the outer edge of the shoulder of the sealing ring, effectively preventing rollover; the buffer surface is arranged obliquely, combined with the vertical surface at the top, this structural design enhances the strength of the working part of the sealing ring die, improves the durability of the sealing ring die, and reduces the contact area between the anti-turnover structure and the sealing ring, preventing the end face of the sealing ring from deforming due to excessive contact area, so that the sealing ring can be bent and deformed upward better, and the outer diameter can be reduced through deformation, so that it can enter the sealing groove smoothly. The inclined structure of the buffer surface can also play a buffering role. During the press-fitting process, the sealing ring is not easy to fall off from the sealing ring die. After the press-fitting is completed, the inclined buffer surface also makes it easier to quickly separate the sealing ring die from the sealing ring.

[0021] When assembling the above-mentioned bearing seal ring installation device, it is only necessary to assemble screws at the connecting ring. Through the respective creative structures of the components, tight fit, quick installation and quick disassembly are achieved. Specifically, the following steps are included: (1) Sleeve the upper pressure sleeve outside the guide column, and fix the top of the guide column to the top of the upper pressure sleeve; (2) Place the spring sleeve outside the guide column, then insert the positioning guide shaft into the sliding cavity of the upper pressure sleeve, and sleeve it outside the guide column, and make the annular block squeeze the spring, and then thread the blocking screw at the bottom end of the guide column so that the head of the blocking screw is limited by the lower end surface of the annular block; (3) Place the pressure transmission rubber ring sleeve outside the positioning guide shaft, then place the pressure block sleeve with the sealing ring die installed outside the positioning guide shaft, and then pass the upper pressure shaft sleeve out of the die sleeve cavity, so that the clamping platform and the limit platform are mutually limited; (4) Assemble the connecting ring on the first step surface of the pressure-carrying block and the sealing ring die, and use screws to lock and fix it with the lower end surface of the die sleeve; at this time, the connecting ring is tightly matched with the first step surface, the pressure-carrying block is tightly matched with the second step surface of the upper pressure sleeve, and the pressure-carrying platform, the clamping platform, the die sleeve cavity wall and the pressure transmission rubber ring are tightly matched.

[0022] A second object of the present invention is to provide a method for installing a sealing ring of a bearing sealing ring installation device, characterized in that the method comprises the following steps: (1) Place the sealing ring on the outer wall of the positioning guide shaft, and move the bearing to be processed to the bottom of the positioning guide shaft; (2) Apply downward external force to the upper pressure sleeve to drive the entire device downward until the positioning column of the positioning guide shaft is inserted into the inner hole of the bearing to position it; (3) Continue to apply downward external force, the upper pressure sleeve overcomes the spring force and moves downward relative to the positioning guide shaft until the lower end surface of the sealing ring die contacts the upper end surface of the sealing ring on the positioning guide shaft (that is, the contact surface of the anti-turnover structure of the sealing ring die contacts the shoulder of the sealing ring); (4) Continue to apply downward external force, and the upper pressing sleeve drives the sealing ring die to move downward along the positioning guide shaft with the sealing ring, until the sealing ring die presses the sealing ring down and enters the sealing groove of the bearing (that is, the contact surface of the anti-turnover structure presses the shoulder of the sealing ring, causing the sealing ring to deform and reduce the outer diameter, so that it can enter the sealing groove smoothly); at this time, the sealing ring is separated from the positioning guide shaft, and under the interaction between the sealing ring die and the bearing sealing groove, the sealing ring is compressed and deformed to enter the sealing groove, and the lower end of the connecting ring contacts the upper end surface of the bearing (which can further fix the bearing); (5) The downward external force is removed, and the upper sleeve is reset upward relative to the positioning guide shaft under the action of the spring. At the same time, the sealing ring die is driven to leave the bearing sealing groove. After separation from the sealing ring die, the sealing ring recovers its elasticity and is assembled in the bearing sealing groove, completing the installation.

[0023] The present invention realizes automatic installation of the sealing ring by reasonably designing the automatic installation device of the sealing ring. The bearing to be processed is placed on the corresponding station of the processing area by a mechanical arm, and the sealing ring is pre-sleeved on the positioning guide shaft. The upper pressure sleeve is continuously moved downward together with the sealing ring die through the spring and the pressure transmission rubber ring under the action of air pressure or hydraulic pressure, and drives the sealing ring downward to be automatically installed into the sealing groove of the bearing to be processed. The present invention is labor-saving and light, simple to manufacture, and low in manufacturing cost, but can well achieve the purpose of automatic installation of the sealing ring, saving time and labor, high in efficiency, convenient and effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of manually pressing and installing a sealing ring in the background technology; Figure 2 It is a structural schematic diagram of the bearing seal ring installation device of the present invention (the spring is not compressed); Figure 3 It is a structural schematic diagram of the bearing seal ring installation device of the present invention (the spring is compressed); Figure 4 for Figure 3 Middle partial enlarged picture; Figure 5 It is a structural schematic diagram of the die assembly in the present invention; Figure 6 It is a structural schematic diagram of the positioning guide shaft in the present invention; Figure 7It is a structural schematic diagram of the upper pressing sleeve in the present invention; Figure 8 It is a structural schematic diagram of the mold sleeve in the present invention; In the figure: sealing ring 1, processed bearing 2, sealing groove 3, positioning guide shaft 4, annular block 4-1, positioning column 4-2, upper pressure sleeve 5, clamping platform 5-1, clamping through hole 5-2, second step surface 5-3, exhaust hole 5-4, guide column 6, spring 7, blocking screw 8, pressure block 9, pressure platform 9-1, first step surface 9-2, sealing ring die 10, pressure transmission rubber ring 11, die sleeve 12, limit platform 12-1, connecting ring 13, screw 14, anti-turnover structure 15, vertical surface 15-1, buffer surface 15-2, contact surface 15-3. DETAILED DESCRIPTION

[0025] Example 1 The bearing seal ring installation device includes a positioning component, a press-fitting component, a die assembly, a pressure relief component, and a connecting component. The positioning component includes a positioning guide shaft 4, the press-fitting component includes an upper press sleeve 5, a guide column 6, a spring 7, and a blocking screw 8, the die assembly includes a pressure block 9 and a seal ring die 10, the pressure relief component is a pressure transmission rubber ring 11 with a cylindrical structure, and the connecting component includes a die sleeve 12 and a connecting ring 13.

[0026] like Figure 6 As shown, the positioning guide shaft 4 is a hollow structure, the inner wall of the cavity is provided with an annular stopper 4-1, and the bottom end face is provided with a positioning column 4-2 matching the inner diameter of the bearing. The end face of the positioning column is chamfered to facilitate entering the inner hole of the bearing for positioning.

[0027] like Figure 7 As shown, the upper pressure sleeve 5 is provided with a sliding cavity matching the outer diameter of the positioning guide shaft 4, and the top of the guide column 6 is fixed in the sliding cavity of the upper pressure sleeve; the bottom of the guide column is inserted into the cavity of the positioning guide shaft, and the blocking screw 8 is screwed on the bottom end face, and the head of the blocking screw and the annular block are mutually limited; the spring 7 is sleeved outside the guide column, and its two ends are respectively in contact with the top of the sliding cavity of the upper pressure sleeve and the upper end face of the annular block. The bottom end of the upper pressure sleeve is provided with a convex clamping platform 5-1, and the top of the side wall of the upper pressure sleeve is provided with an exhaust hole 5-4 connected to the cavity. The end face of the clamping platform is provided with a clamping through hole 5-2, and the aperture of the clamping through hole is larger than the inner diameter of the sliding cavity of the upper pressure sleeve, forming a second step surface 5-3.

[0028] like Figure 5As shown, the pressure block 9 is a hollow structure, sleeved outside the positioning guide shaft 4, and a pressure platform 9-1 extends outward from its bottom end; the sealing ring die 10 is installed on the bottom end surface of the pressure platform, the inner diameter of the sealing ring die is consistent with the inner diameter of the pressure block, and the outer diameter difference between the sealing ring die and the pressure block forms a first step surface 9-2. The top of the pressure block 9 is assembled on the second step surface 5-3 at the bottom end of the upper pressure sleeve, and the pressure transmission rubber ring 11 is located between the pressure platform 9-1 and the clamping platform 5-1.

[0029] like Figure 8 As shown, the mold sleeve 12 is a hollow structure, and its upper end extends inward to form an annular limiting platform 12-1. The upper pressure sleeve passes through the mold sleeve cavity, and the clamping platform 5-1 of the upper pressure sleeve is assembled on the limiting platform 12-1 and limits each other; the pressure relief assembly and the die assembly are installed in the mold sleeve cavity, and the connecting ring 13 is assembled on the pressure-bearing platform and the first step surface 9-2 of the sealing ring die, and is locked and fixed to the lower end surface of the mold sleeve 12 by screws 14.

[0030] In one embodiment of the present invention, Figure 4 , Figure 5 As shown, the lower end face of the sealing ring die has an outer edge provided with a downwardly protruding anti-turnover structure 15, which includes an annular vertical surface 15-1, an annular buffer surface 15-2, and an annular contact surface 15-3; the cross section of the vertical surface is a vertical line, which is connected to the lower end face of the sealing ring die, and its outer diameter is smaller than the outer diameter of the sealing ring die; the buffer surface is respectively connected to the vertical surface and the contact surface, and its cross section is an oblique line; the cross section of the contact surface is a horizontal line, and its outer diameter is consistent with the outer diameter of the sealing ring die.

[0031] The inner diameter of the sealing ring die matches the outer diameter of the positioning guide shaft. Combined with the outer wall of the positioning guide shaft, the upper end face and inner hole of the sealing ring can be supported and protected during the press-fitting process. The anti-flip structure can support and protect the shoulder of the sealing ring during the press-fitting process to prevent the sealing ring from flanging during the pressing process.

[0032] The relationship between the height H of the downward convex anti-turnover structure, the depth H1 of the sealing groove, and the height H2 of the sealing ring is: H=H1-H2, and H is also the downward pressing distance of the sealing ring die in the sealing groove, which can ensure that the sealing ring is smoothly installed in the sealing groove. The horizontally arranged contact surface contacts the shoulder of the sealing ring, and combined with the inclined buffer surface, the ring body can be bent and deformed better when the sealing ring is compressed, making it easier to enter the sealing groove. After the press-fitting is completed, it is also easier to quickly separate the sealing ring die from the sealing ring.

[0033] Example 2 When assembling the bearing seal ring installation device, Figure 2 As shown, the following steps are included: (1) The upper pressure sleeve 5 is sleeved on the guide column 6, and the top of the guide column is fixedly connected to the top of the upper pressure sleeve; (2) The spring 7 is sleeved outside the guide column 6, and then the positioning guide shaft 4 is inserted into the sliding cavity of the upper pressure shaft sleeve 5 and sleeved outside the guide column 6, and the annular stopper 4-1 squeezes the spring 7, and then the blocking screw 8 is threadedly connected to the bottom end of the guide column 6, so that the head of the blocking screw is limited by the lower end surface of the annular stopper; (3) Place the pressure transmission rubber ring 11 on the outside of the positioning guide shaft 4, then place the pressure block 9 with the sealing ring die 10 installed on the outside of the positioning guide shaft 4, and then pass the upper pressure shaft sleeve 5 out of the cavity of the die sleeve 12, so that the clamping platform 5-1 and the limiting platform 12-1 are mutually limited and matched; (4) Assemble the connecting ring 13 on the first step surface 9-2 between the pressure-carrying block and the sealing ring die, and use the screw 14 to lock and fix it with the lower end surface of the die sleeve 12; at this time, the connecting ring 13 is tightly matched with the first step surface 9-2, the pressure-carrying block 9 is tightly matched with the second step surface 5-3 of the upper pressure sleeve, and the pressure-carrying platform 9-1, the clamping platform 5-1, the cavity wall of the die sleeve 12 and the pressure transmission rubber ring 11 are tightly matched.

[0034] Example 3 Bearing seal ring installation device Method of installing the seal ring, such as Figure 2 , Figure 3 As shown, the following steps are included: (1) Place the sealing ring 1 on the outer wall of the positioning guide shaft 4, and move the bearing 2 to be processed to the bottom of the positioning guide shaft 4; (2) Apply downward external force to the upper pressure sleeve to drive the entire device downward until the positioning column 4-2 of the positioning guide shaft is inserted into the inner hole of the bearing to position it; (3) Continue to apply downward external force, the upper pressure sleeve 5 overcomes the spring force and moves downward relative to the positioning guide shaft 4 until the lower end surface of the sealing ring die 10 contacts the upper end surface of the sealing ring 1 on the positioning guide shaft 4 (such as Figure 3 shown); (4) Continue to apply downward external force, the upper pressing sleeve 5 drives the sealing ring pressing die 10 to move downward along the positioning guide shaft 4 with the sealing ring 1, until the sealing ring pressing die 10 presses the sealing ring 1 down and enters the sealing groove 3 of the bearing; at this time, the sealing ring 1 is separated from the positioning guide shaft 4, and under the interaction between the sealing ring pressing die 10 and the bearing sealing groove 3, the sealing ring 1 is compressed and deformed and enters the sealing groove 3, and the lower end of the connecting ring 13 contacts the upper end surface of the bearing 2, which can further fix the bearing; (5) The downward external force is removed, and the upper pressure sleeve 5 is reset upward relative to the positioning guide shaft 4 under the action of the spring 7. At the same time, the sealing ring die 10 is driven to leave the bearing sealing groove 3. After the sealing ring 1 is separated from the sealing ring die 10, it recovers its elasticity and is assembled in the bearing sealing groove 3, completing the installation.

Claims

1. A bearing seal ring mounting device, characterized in that: include: A positioning assembly is coaxial with the bearing to be processed to position the bearing, and the sealing ring sleeve is placed outside the positioning assembly; The press-fit assembly is sleeved outside the positioning assembly and slides up and down with the positioning assembly; The die assembly is sleeved outside the positioning assembly and installed at the bottom end of the press-fit assembly; The pressure relief component is sleeved outside the positioning component and is arranged between the press-fitting component and the die component; Connecting components to connect the die assembly, the pressure relief assembly, and the press-fit assembly into one; After the external force is applied, the press-fitting assembly moves downward relative to the positioning assembly, driving the die assembly to press the sealing ring downward, so that the sealing ring is separated from the positioning assembly and installed into the bearing sealing groove.

2. The bearing seal ring installation device according to claim 1 is characterized in that: The positioning assembly comprises a positioning guide shaft, the bottom end surface of which is provided with a positioning column matching the inner diameter size of the bearing.

3. The bearing seal ring installation device according to claim 2 is characterized in that: The press-fit assembly comprises: The upper pressing sleeve is provided with a sliding cavity matching the outer diameter of the positioning guide shaft; The guide column is fixed in the sliding cavity of the upper pressure sleeve; the positioning guide shaft is a hollow structure, and an annular stopper is arranged on the inner wall of the cavity; the bottom of the guide column is inserted into the cavity of the positioning guide shaft, and a blocking screw is screwed on the bottom end surface, and the head of the blocking screw and the annular stopper are mutually limited; The spring is sleeved outside the guide column, and its two ends are respectively in contact with the top of the upper pressing shaft sleeve sliding cavity and the upper end surface of the annular stopper.

4. The bearing seal ring installation device according to claim 3 is characterized in that: The die assembly includes a pressure-carrying block and a sealing ring die; the pressure-carrying block is a hollow structure, sleeved outside the positioning guide shaft, and a pressure-carrying platform extends outward from the bottom end thereof; The sealing ring die is installed on the bottom end surface of the pressure platform, the inner diameter of the sealing ring die is consistent with the inner diameter of the pressure block, and the outer diameter of the sealing ring die is smaller than the outer diameter of the pressure platform, and forms a first step surface.

5. The bearing seal ring installation device according to claim 4 is characterized in that: The pressure relief component is a pressure transmission rubber ring with a cylindrical structure; the bottom end of the upper pressure sleeve is provided with an outwardly convex pressing platform, and the end surface of the pressing platform is provided with a pressing through hole, the aperture of the pressing through hole is larger than the inner diameter of the sliding cavity of the upper pressure sleeve, forming a second step surface; The top end of the pressure-carrying block is assembled on the second step surface of the bottom end of the upper pressure sleeve, and the pressure-transmitting rubber ring is located between the pressure-carrying platform and the pressing platform.

6. The bearing seal ring installation device according to claim 5, characterized in that: The connecting assembly includes a die sleeve and a connecting ring. The die sleeve is a hollow structure, and its upper end extends inward to form an annular limiting platform. The upper pressing sleeve passes through the cavity of the die sleeve. The pressing platform of the upper pressing sleeve is assembled at the limiting platform and is mutually limited. The pressure relief assembly and the die assembly are installed in the die sleeve cavity, and the connecting ring is assembled on the pressure-bearing platform and the first step surface of the sealing ring die, and is locked and fixed with the lower end surface of the die sleeve by screws.

7. The bearing seal ring installation device according to claim 3 is characterized in that: The top of the side wall of the upper pressure sleeve is provided with an exhaust hole communicating with the cavity.

8. The bearing seal ring installation device according to claim 4, characterized in that: The lower end surface of the sealing ring die has an outer edge provided with a protruding anti-turnover structure, and the anti-turnover structure includes an annular vertical surface, an annular buffer surface, and an annular contact surface; The vertical surface is arranged vertically and connected to the lower end surface of the sealing ring die, and its outer diameter is smaller than the outer diameter of the sealing ring die; the buffer surface is respectively connected to the vertical surface and the contact surface, and is arranged inclined outward; the contact surface is a horizontal surface, and its outer diameter is consistent with the outer diameter of the sealing ring die.

9. The method for installing a sealing ring of a bearing sealing ring installation device according to claim 6, characterized in that: The following steps are involved: (1) Place the sealing ring on the outer wall of the positioning guide shaft, and move the bearing to be processed to the bottom of the positioning guide shaft; (2) Apply downward external force to the upper pressure sleeve to drive the entire device downward until the positioning column of the positioning guide shaft is inserted into the inner hole of the bearing to position it; (3) Continue to apply downward external force, the upper pressure sleeve overcomes the spring force and moves downward relative to the positioning guide shaft until the lower end surface of the sealing ring die contacts the upper end surface of the sealing ring on the positioning guide shaft; (4) Continue to apply downward external force, the upper pressure sleeve drives the sealing ring pressing die to move the sealing ring downward along the positioning guide shaft until the sealing ring pressing die presses the sealing ring into the sealing groove of the bearing; at this time, the sealing ring is separated from the positioning guide shaft, and under the interaction between the sealing ring pressing die and the bearing sealing groove, the sealing ring is compressed and deformed and enters the sealing groove; (5) The downward external force is removed, and the upper sleeve is reset upward relative to the positioning guide shaft under the action of the spring. At the same time, the sealing ring die is driven to leave the bearing sealing groove. After separation from the sealing ring die, the sealing ring recovers its elasticity and is assembled in the bearing sealing groove.

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