A bearing retainer riveting tool

Abstract

The utility model relates to the field of cage riveting, specifically relates to a bearing cage riveting tool, including the frame, still include: set up in the support platform for placing the bearing of frame top, support platform has the slot body of through -penetration to set up in the clamping pre -tightening mechanism of slot body department, clamping pre -tightening mechanism includes setting up in the support of frame top and located support platform both sides, the sliding element of sliding connection in support one side, the two -way screw rod of through slot body and rotation connection between two sliding elements, respectively screw connection in two -way screw rod both sides clamping piece, clamping piece with slot body sliding connection, clamping piece's upper end one side is equipped with pre -tightening piece, set up in the first drive mechanism for driving sliding element moves up and down of support to set up in one of sliding element for driving two -way screw rod rotation second drive mechanism. The utility model discloses through clamping pre -tightening mechanism, guarantees the position stability of bearing in the riveting process, improves riveting accuracy and quality.

Description

Technical Field

[0001] This utility model relates to the field of cage riveting, and more particularly to a bearing cage riveting fixture. Background Technology

[0002] Bearings typically consist of an inner ring, an outer ring, a cage, and cylindrical rollers. The cage is manufactured using a riveting process. Riveting typically involves riveting fixtures. For example, patent application number 202420140760.1 discloses a cylindrical roller bearing riveting device to address the problem that existing cylindrical roller bearing riveting devices require manual handling of the bearing to rivet the cage. After riveting one position, the bearing needs to be manually rotated to continue riveting, affecting work efficiency. The device includes: a fixed plate fixedly connected to the upper surface of a base; a frame fixedly connected to the rear end of the base; a machine body fixedly mounted on the upper end of the frame; a hot riveting head mounted on the lower end of the machine body; a sliding groove formed on the inner side of the fixed plate; a sliding plate slidably connected to the inner side of the sliding groove; a circular groove formed on the inner side of the sliding plate; a connecting piece rotatably connected to the inner side of the circular groove; and a turntable fixedly connected to the upper surface of the connecting piece.

[0003] The aforementioned device did not pre-tighten the retainer before riveting, which affected the riveting quality. Summary of the Invention

[0004] In view of this, the purpose of this utility model is to propose a bearing cage riveting fixture to solve the problem that existing devices do not pre-tighten the cage before riveting, which affects the riveting quality.

[0005] To achieve the above objectives, this utility model provides a bearing cage riveting fixture, including a frame, and further comprising: a support platform for placing the bearing disposed on the top of the frame, the support platform having a through groove, and a clamping pre-tightening mechanism disposed in the groove, wherein: The clamping pre-tightening mechanism includes a bracket disposed on the top of the frame and located on both sides of the support platform, a sliding member slidably connected to one side of the bracket, a bidirectional threaded rod passing through the groove and rotatably connected between the two sliding members, clamping members threadedly connected to both sides of the bidirectional threaded rod, the clamping members being slidably connected to the groove, a pre-tightening member being provided on one side of the upper end of the clamping member, a first driving mechanism disposed on the bracket for driving the sliding members to move up and down, and a second driving mechanism disposed on one of the sliding members for driving the bidirectional threaded rod to rotate.

[0006] Optionally, the sliding member includes a sliding section that is slidably connected to the bracket, the bracket has an opening, and a connector passing through the opening is provided on one side of the lower end of the sliding section. The first driving mechanism includes a first electric cylinder disposed on one side of the bracket, and the telescopic rod of the first electric cylinder is connected to the connector.

[0007] The first electric cylinder telescopic rod of the first drive mechanism extends and retracts, causing the connecting piece connected to the telescopic rod to move up and down. Since the connecting piece is located on the lower end of the sliding section and passes through the opening on the bracket, it causes the sliding piece to slide up and down along the bracket.

[0008] Optionally, the second drive mechanism includes a mounting plate disposed on the top of the sliding member, a motor disposed on the top of the mounting plate, a first transmission wheel disposed on the rotating shaft of the motor, and the first transmission wheel being connected by a transmission belt to a second transmission wheel fixedly sleeved on the bidirectional threaded rod.

[0009] The motor of the second drive mechanism rotates, which drives the first transmission wheel to rotate. The transmission wheel then drives the second transmission wheel to rotate via a transmission belt. The second transmission wheel is fixedly mounted on the bidirectional threaded rod, thereby driving the bidirectional threaded rod to rotate and enabling the clamping parts to move closer or further apart.

[0010] Optionally, the tooling may further include a riveting mechanism disposed on the frame for retaining the riveting.

[0011] Optionally, the riveting mechanism includes a column mounted on the bracket, a crossbeam mounted on the column, a body vertically mounted on the crossbeam, and a riveting joint mounted on the telescopic rod of the body.

[0012] Optionally, the machine body is slidably mounted on the crossbeam, and a second electric cylinder for driving the machine body to slide is provided on one side of the machine body.

[0013] Optionally, the sliding member is slidably connected to the bracket by having a T-shaped block on one side of the sliding member and a T-shaped groove on the bracket that mates with the T-shaped block.

[0014] Optionally, an elastic pad is attached to the bottom of the pretensioner.

[0015] The bearing is placed on the support platform, and the clamping component passes through the inner ring of the bearing. The second drive mechanism drives the bidirectional threaded rod to rotate. Since the threads on both sides of the bidirectional threaded rod are in opposite directions, the clamping components threaded to both sides of the bidirectional threaded rod will move closer or further apart. When the two clamping components move away from each other and contact the inner ring of the bearing, the bearing is fixed. At the same time, the first drive mechanism drives the sliding component to move up and down, which in turn moves the clamping component and the preload component up and down. After the bearing is fixed, the first drive mechanism drives the clamping component and the preload component to move downward, so that the preload component contacts the cage, completing the preload operation of the cage and preparing for the subsequent cage riveting.

[0016] This invention, through a clamping and pre-tightening mechanism, can quickly and accurately clamp and pre-tighten the bearing placed on the support platform, ensuring the positional stability of the bearing during the riveting process and improving the riveting accuracy and quality. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the riveting fixture according to an embodiment of the present invention; Figure 2 for Figure 1 Side view of the central support platform; Figure 3 This is a schematic diagram of the first driving mechanism and the second driving mechanism according to an embodiment of the present utility model; Figure 4 for Figure 3 Side view of the central support; Figure 5 This is a schematic diagram of the riveting mechanism according to an embodiment of the present utility model.

[0019] The numbers on the map are: 1. Frame; 2. Support platform; 3. Tank; 4. Bracket; 5. Sliding component; 6. Double-threaded rod; 7. Clamping component; 8. Pre-tightening component; 9. Sliding section; 10. Opening; 11. Connecting component; 12. First electric cylinder; 13. Mounting plate; 14. Motor; 15. First transmission wheel; 16. Transmission belt; 17. Second transmission wheel; 18. Column; 19. Crossbeam; 20. Machine body; 21. Rivet joint; 22. Second electric cylinder. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0021] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] like Figures 1-2 As shown, a bearing cage riveting fixture includes a frame 1, and further includes: a support platform 2 for placing the bearing disposed on the top of the frame 1, the support platform 2 having a through groove 3, and a clamping pre-tightening mechanism disposed in the groove 3, wherein: The clamping pre-tightening mechanism includes a bracket 4 disposed on the top of the frame 1 and located on both sides of the support platform 2, a sliding member 5 slidably connected to one side of the bracket 4, a bidirectional threaded rod 6 passing through the groove 3 and rotatably connected between the two sliding members 5, clamping members 7 respectively threadedly connected to both sides of the bidirectional threaded rod 6, the clamping members 7 being slidably connected to the groove 3, a pre-tightening member 8 provided on one side of the upper end of the clamping member 7, a first driving mechanism disposed on the bracket 4 for driving the sliding members 5 to move up and down, and a second driving mechanism disposed on one of the sliding members 5 for driving the bidirectional threaded rod 6 to rotate.

[0023] The bearing is placed on the support platform 2, and the clamping member 7 passes through the inner ring of the bearing. The second drive mechanism drives the bidirectional threaded rod 6 to rotate. Since the threads on both sides of the bidirectional threaded rod 6 are opposite, the clamping members 7, which are threaded to both sides of the bidirectional threaded rod 6, will move closer or further away from each other. When the two clamping members 7 move away from each other and contact the inner ring of the bearing, the bearing is fixed. At the same time, the first drive mechanism drives the sliding member 5 to move up and down, which in turn drives the clamping member 7 and the pre-tightening member 8 to move up and down. After the bearing is fixed, the first drive mechanism drives the clamping member 7 and the pre-tightening member 8 to move downward, so that the pre-tightening member 8 contacts the cage, completing the pre-tightening operation of the cage and preparing for the subsequent cage riveting.

[0024] This invention, through a clamping and pre-tightening mechanism, can quickly and accurately clamp and pre-tighten the bearing placed on the support platform 2, ensuring the positional stability of the bearing during the riveting process and improving the riveting accuracy and quality.

[0025] like Figure 3 and Figure 4 As shown, in some embodiments, the sliding member 5 includes a sliding section 9 that is slidably connected to the bracket 4. The bracket 4 is provided with an opening 10. A connector 11 passing through the opening 10 is provided on one side of the lower end of the sliding section 9. The first driving mechanism includes a first electric cylinder 12 disposed on one side of the bracket 4. The telescopic rod of the first electric cylinder 12 is connected to the connector 11.

[0026] The first electric cylinder 12 of the first drive mechanism extends and retracts, causing the connecting piece 11 connected to the extension rod to move up and down. Since the connecting piece 11 is located on the lower end side of the sliding section 9 and passes through the opening 10 on the bracket 4, it causes the sliding piece 5 to slide up and down along the bracket 4.

[0027] The sliding member 5 is driven to move up and down by the first electric cylinder 12. The structure is simple and easy to control. It can accurately control the moving distance of the sliding member 5, thereby accurately adjusting the height of the clamping member 7 and the pre-tightening member 8 to achieve the pre-tightening function.

[0028] like Figure 3 As shown, in some embodiments, the second drive mechanism includes a mounting plate 13 disposed on the top of the sliding member 5, a motor 14 disposed on the top of the mounting plate 13, a first transmission wheel 15 disposed on the rotating shaft of the motor 14, and the first transmission wheel 15 is connected to a second transmission wheel 17 fixedly sleeved on the bidirectional threaded rod 6 via a transmission belt 16.

[0029] The motor 14 of the second drive mechanism rotates, driving the first transmission wheel 15 to rotate, which in turn drives the second transmission wheel 17 to rotate via the transmission belt 16. The second transmission wheel 17 is fixedly sleeved on the bidirectional threaded rod 6, thereby driving the bidirectional threaded rod 6 to rotate, thus realizing the mutual approach or distance movement of the clamping parts 7.

[0030] like Figure 5 As shown, in some embodiments, the tooling further includes a riveting mechanism mounted on the frame 1 for retaining the riveting. Optionally, the riveting mechanism includes a column 18 mounted on the support 4, a crossbeam 19 mounted on the column 18, a body 20 vertically mounted on the crossbeam 19, and a riveting joint 21 mounted on the telescopic rod of the body 20.

[0031] The column 18 provides support for the crossbeam 19. The telescopic rod of the body 20 on the crossbeam 19 drives the riveting joint 21 to move downward, performing a riveting operation on the bearing cage. This structure is simple and reliable. The body 20 drives the riveting joint 21 through the telescopic rod to perform riveting, which can precisely control the riveting force and depth, ensuring the riveting quality.

[0032] In some embodiments, the body 20 is slidably mounted on the crossbeam 19, and a second electric cylinder 22 for driving the body 20 to slide is provided on one side of the body 20.

[0033] The second electric cylinder 22 drives the machine body 20 to slide on the crossbeam 19, thereby adjusting the horizontal position of the rivet joint 21 so that it can be accurately aligned with the part to be riveted. By driving the machine body 20 to slide through the second electric cylinder 22, the horizontal position of the rivet joint 21 can be flexibly adjusted to meet the riveting requirements of bearing cages of different positions and sizes, thus improving the versatility and flexibility of the tooling.

[0034] In some embodiments, the sliding member 5 is slidably connected to the bracket 4 by having a T-shaped block on one side of the sliding member 5 and a T-shaped groove on the bracket 4 that cooperates with the T-shaped block.

[0035] The T-shaped block on one side of the slider 5 is embedded in the T-shaped groove on the bracket 4, so that the slider 5 can slide along the T-shaped groove on the bracket 4, realizing the sliding connection between the slider 5 and the bracket 4. The sliding connection method of T-shaped block and T-shaped groove is simple in structure, stable in connection, and can ensure that the slider 5 slides stably on the bracket 4.

[0036] In some embodiments, an elastic pad is attached to the bottom of the preload member 8. The elastic pad can prevent the preload member 8 from making direct hard contact with the bearing, preventing damage to the bearing surface during the preload process. At the same time, the elastic deformation can better adapt to the minor unevenness of the bearing surface, improving the preload effect and the clamping quality of the bearing.

[0037] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0038] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A bearing cage riveting fixture, comprising a frame (1), characterized in that, Also includes: A support platform (2) for placing bearings is provided on the top of the frame (1). The support platform (2) has a through groove (3) and a clamping preload mechanism provided in the groove (3), wherein: The clamping pre-tightening mechanism includes a bracket (4) disposed on the top of the frame (1) and located on both sides of the support platform (2), a sliding member (5) slidably connected to one side of the bracket (4), a bidirectional threaded rod (6) passing through the groove (3) and rotatably connected between the two sliding members (5), clamping members (7) respectively threadedly connected to both sides of the bidirectional threaded rod (6), the clamping member (7) being slidably connected to the groove (3), a pre-tightening member (8) provided on one side of the upper end of the clamping member (7), a first driving mechanism disposed on the bracket (4) for driving the sliding member (5) to move up and down, and a second driving mechanism disposed on one of the sliding members (5) for driving the bidirectional threaded rod (6) to rotate.

2. The bearing cage riveting fixture according to claim 1, characterized in that, The sliding member (5) includes a sliding section (9) that is slidably connected to the bracket (4). The bracket (4) has an opening (10). A connector (11) that passes through the opening (10) is provided on one side of the lower end of the sliding section (9). The first driving mechanism includes a first electric cylinder (12) disposed on one side of the bracket (4). The telescopic rod of the first electric cylinder (12) is connected to the connector (11).

3. The bearing cage riveting fixture according to claim 2, characterized in that, The second drive mechanism includes a mounting plate (13) disposed on the top of the sliding member (5), a motor (14) disposed on the top of the mounting plate (13), a first transmission wheel (15) disposed on the rotating shaft of the motor (14), and the first transmission wheel (15) is connected to a second transmission wheel (17) fixedly sleeved on the bidirectional threaded rod (6) via a transmission belt (16).

4. The bearing cage riveting fixture according to claim 1, characterized in that, The tooling also includes a riveting mechanism mounted on the frame (1) for retaining the riveting of the frame.

5. A bearing cage riveting fixture according to claim 4, characterized in that, The riveting mechanism includes a column (18) mounted on the bracket (4), a crossbeam (19) mounted on the column (18), a body (20) vertically mounted on the crossbeam (19), and a riveting joint (21) mounted on the telescopic rod of the body (20).

6. The bearing cage riveting fixture according to claim 5, characterized in that, The body (20) is slidably mounted on the crossbeam (19), and a second electric cylinder (22) is provided on one side of the body (20) for driving the body (20) to slide.

7. The bearing cage riveting fixture according to claim 1, characterized in that, The sliding member (5) is slidably connected to the bracket (4) in such a way that a T-shaped block is provided on one side of the sliding member (5) and a T-shaped groove is provided on the bracket (4) to cooperate with the T-shaped block.

8. The bearing cage riveting fixture according to claim 1, characterized in that, The bottom of the pretensioner (8) is fitted with an elastic pad.

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