Bearing riveting equipment

Abstract

The utility model provides a bearing riveting device. The bearing riveting device comprises a hydraulic machine and a riveting die arranged on the hydraulic machine. The riveting die comprises a movable upper die and a fixed lower die, the fixed lower die is installed on a working table top of the hydraulic machine, the movable upper die is placed on the upper side of the fixed lower die, and the movable upper die is located on the lower side of a hydraulic head of the hydraulic machine; a bearing positioning protrusion is arranged on the fixed lower die, a riveting pressing edge is arranged on the movable upper die, and elastic pressing mechanisms are evenly distributed on the riveting pressing edge in the circumferential direction. Compared with the prior art, the bearing riveting device has the advantages that the fixed lower die with the bearing positioning protrusion is matched with the riveting pressing edge and the elastic pressing mechanism of the movable upper die, and the technical problem that in the existing bearing riveting process, a bearing is not provided with a vertical limiting mechanism, and riveting failure is likely to be caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing assembly, in particular to a bearing riveting device. Background Art

[0002] Bearings are usually divided into structures such as bearing inner ring, bearing outer ring, roller, and cage. During bearing assembly, the cage needs to be riveted, that is, the riveting points on the cage are flattened by pressing down with a punching machine to achieve fixation.

[0003] During the riveting process, the other structures of the bearing have no limit mechanism in the vertical direction, so it is easy to make mistakes due to operator errors, as shown in the following figure Figure 1 In this case, riveting will fail and the cage will be scrapped. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a bearing riveting device, which solves the technical problem in the existing bearing riveting process that the bearing has no vertical limiting mechanism, which easily leads to riveting failure.

[0005] A bearing riveting device according to an embodiment of the utility model includes a hydraulic press and a riveting die arranged on the hydraulic press;

[0006] The riveting die comprises a movable upper die and a fixed lower die, the fixed lower die is installed on the working table of the hydraulic press, the movable upper die is placed on the upper side of the fixed lower die, and the movable upper die is arranged on the lower side of the hydraulic head of the hydraulic press;

[0007] The fixed lower die is provided with a bearing positioning protrusion, the movable upper die is provided with a riveting pressing edge, and the riveting pressing edge is evenly distributed with elastic clamping mechanisms in the circumferential direction.

[0008] The technical principle of the utility model is: a fixed lower die is used to horizontally limit the riveted bearing, and then the riveting pressure edge of the movable upper die is used to rivet the riveting points of the bearing. At the same time, the elastic clamping mechanism can press the bearing retainer to ensure that the riveting points are exposed, thereby ensuring the success of the riveting.

[0009] Compared with the prior art, the utility model has the following beneficial effects: by using a fixed lower die with a bearing positioning protrusion to cooperate with the riveting edge and elastic clamping mechanism of the movable upper die, it solves the technical problem in the existing bearing riveting process that the bearing has no vertical limiting mechanism, which easily leads to riveting failure.

[0010] Furthermore, a movable tooling is provided on the work table, the fixed lower mold is installed on the movable tooling, and the movable tooling is provided with a driving mechanism, and the driving mechanism drives the movable tooling to approach and move away from the hydraulic head.

[0011] Furthermore, the driving mechanism is an electric push rod, the telescopic rod of the electric push rod is connected to a movable tooling, the movable tooling includes a moving block and a fixed block, the moving block is connected to the electric push rod, a raised edge is provided at the bottom of the moving block, a card joint is provided on the work table corresponding to the raised edge, the raised edge is inserted into the card joint, and the fixed block is installed on the side of the moving block away from the electric push rod to install a fixed lower mold.

[0012] Furthermore, guide rods are provided on both sides of the moving block, and the hydraulic press is provided with circular holes at positions corresponding to the guide rods, and the guide rods move along the axis direction of the circular holes.

[0013] Furthermore, a mold positioning protrusion is provided at the center of the bearing positioning protrusion, a positioning hole is provided at the center of the movable upper mold, and the mold positioning protrusion is inserted into the positioning hole.

[0014] Furthermore, the riveted edge is evenly distributed with stepped mounting holes in the circumference, and an elastic clamping mechanism is installed in the stepped mounting holes.

[0015] Furthermore, the elastic clamping mechanism includes a T-shaped clamping block, a spring and a clamping screw, one end of the T-shaped clamping block is pressed on the step surface of the step mounting hole, the other end of the T-shaped clamping block passes through the small end of the step mounting hole, the clamping screw is threadedly connected to the large end of the step mounting hole, the spring is arranged in the step mounting hole, and the two ends of the spring are respectively close to the T-shaped clamping block and the clamping screw.

[0016] Furthermore, a metal mesh is fixed outside the riveted edge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the tilted structure of a bearing retainer according to the background technology of the present utility model.

[0018] Figure 2 This is a schematic structural diagram of a bearing riveting device according to an embodiment of the utility model.

[0019] Figure 3 The figure is a schematic diagram of the riveting die structure of an embodiment of the utility model.

[0020] Figure 4 It is a schematic diagram of the movable upper mold structure of an embodiment of the utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the elastic pressing mechanism of an embodiment of the utility model.

[0022] Figure 6 This is a schematic diagram of the structure of a moving block according to an embodiment of the utility model.

[0023] In the above drawings: 1. cage; 2. roller; 3. outer ring of bearing; 4. inner ring of bearing; 5. riveting point;

[0024] 10. Hydraulic press; 11. Work table; 12. Hydraulic head; 13. Card joint; 14. Round hole; 20. Movable upper die; 21. Riveting edge; 22. Positioning hole; 23. Step mounting hole; 24. Metal mesh; 30. Fixed lower die; 31. Bearing positioning protrusion; 32. Mold positioning protrusion; 40. Elastic clamping mechanism; 41. T-shaped pressure block; 42. Spring; 43. Clamping screw; 50. Electric push rod; 60. Moving block; 61. Raised edge; 62. Guide rod; 70. Fixed block. DETAILED DESCRIPTION

[0025] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] like Figure 2-3 The bearing riveting equipment shown includes a hydraulic press 10 and a riveting die arranged on the hydraulic press 10; wherein the riveting die includes a movable upper die 20 and a fixed lower die 30, the fixed lower die 30 is installed on the working table 11 of the hydraulic press 10, the movable upper die 20 is placed on the upper side of the fixed lower die 30, and the movable upper die 20 is arranged on the lower side of the hydraulic head 12 of the hydraulic press 10, so that the hydraulic head 12 can press the movable upper die 20; specifically, a bearing positioning protrusion 31 is provided on the fixed lower die 30 for fixing the bearing, and a riveting edge 21 is provided on the movable upper die 20 for pressing the riveting point of the bearing, and an elastic clamping mechanism 40 is evenly distributed circumferentially on the riveting edge 21, that is, the elastic clamping mechanism 40 avoids the riveting point. Press the bearing to ensure that other structures of the bearing will not move vertically.

[0027] like Figure 3-4 As shown, a mold positioning protrusion 32 is provided at the center of the bearing positioning protrusion 31 , a positioning hole 22 is provided at the center of the movable upper mold 20 , and the mold positioning protrusion 32 is inserted into the positioning hole 22 to ensure the relative position of the movable upper mold 20 and the fixed lower mold 30 .

[0028] like Figure 4-5 As shown, the riveted pressing edge 21 is evenly distributed with stepped mounting holes 23 in the circumference, and an elastic clamping mechanism 40 is installed in the stepped mounting hole 23. The specific elastic clamping mechanism 40 includes a T-shaped pressing block 41, a spring 42 and a clamping screw 43, wherein one end of the T-shaped pressing block 41 is pressed on the step surface of the stepped mounting hole 23, and the other end of the T-shaped pressing block 41 passes through the small end of the stepped mounting hole 23, and the clamping screw 43 is threadedly connected with the large end of the stepped mounting hole 23, and the spring 42 is arranged in the stepped mounting hole 23, and the two ends of the spring 42 are respectively close to the T-shaped pressing block 41 and the clamping screw 43, so that when the hydraulic head 12 is pressed down, the spring 42 will be deformed, thereby preventing the T-shaped pressing block 41 from crushing the bearing.

[0029] like Figure 4As shown, a metal mesh 24 is fixed outside the riveted edge 21, so that mesh patterns appear after the riveted points are pressed.

[0030] like Figure 3 , 6 As shown, a movable tooling is provided on the work surface 11, wherein a fixed lower mold 30 is installed on the movable tooling, and the movable tooling is provided with a driving mechanism, which drives the movable tooling to approach and move away from the hydraulic head 12. The specific driving mechanism is an electric push rod 50, and the telescopic rod of the electric push rod 50 is connected to the movable tooling, so that the movable tooling can be driven to perform telescopic movement, wherein the movable tooling includes a moving block 60 and a fixed block 70, and the moving block 60 is connected to the electric push rod 50, and a raised edge 61 is welded at the bottom of the moving block 60, and a card joint 13 is provided on the work surface 11 corresponding to the raised edge 61, and the raised edge 61 is inserted into the card joint 13, thereby ensuring that the moving block 60 moves along the direction of the card joint 13, and the fixed block 70 is installed on the side of the moving block 60 away from the electric push rod 50 to install the fixed lower mold 30.

[0031] like Figure 3 As shown, guide rods 62 are provided on both sides of the moving block 60, and a circular hole 14 is provided at the hydraulic press 10 corresponding to the position of the guide rod 62. The guide rod 62 moves along the axial direction of the circular hole 14 to assist the electric push rod 50 to move in a specified direction.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A bearing riveting device, characterized in that: It includes a hydraulic press and a riveting die arranged on the hydraulic press; The riveting die comprises a movable upper die and a fixed lower die, the fixed lower die is installed on the working table of the hydraulic press, the movable upper die is placed on the upper side of the fixed lower die, and the movable upper die is arranged on the lower side of the hydraulic head of the hydraulic press; The fixed lower die is provided with a bearing positioning protrusion, the movable upper die is provided with a riveting pressing edge, and the riveting pressing edge is evenly distributed with elastic clamping mechanisms in the circumferential direction.

2. A bearing riveting device according to claim 1, characterized in that: A movable tooling is arranged on the work table, the fixed lower die is installed on the movable tooling, and the movable tooling is provided with a driving mechanism, which drives the movable tooling to approach and move away from the hydraulic head.

3. A bearing riveting device according to claim 2, characterized in that: The driving mechanism is an electric push rod, the telescopic rod of the electric push rod is connected to a movable tooling, the movable tooling includes a moving block and a fixed block, the moving block is connected to the electric push rod, a raised edge is provided at the bottom of the moving block, a card joint is provided on the work table corresponding to the raised edge, the raised edge is inserted into the card joint, and the fixed block is installed on the side of the moving block away from the electric push rod to install a fixed lower mold.

4. A bearing riveting device as claimed in claim 3, characterized in that: Guide rods are arranged on both sides of the moving block, and circular holes are arranged on the hydraulic press at positions corresponding to the guide rods, and the guide rods move along the axis direction of the circular holes.

5. A bearing riveting device according to claim 1, characterized in that: A mold positioning protrusion is provided at the center of the bearing positioning protrusion, a positioning hole is provided at the center of the movable upper mold, and the mold positioning protrusion is inserted into the positioning hole.

6. A bearing riveting device according to claim 1, characterized in that: The riveted pressing edge is evenly distributed with stepped mounting holes in the circumference, and an elastic clamping mechanism is installed in the stepped mounting holes.

7. A bearing riveting device according to claim 6, characterized in that: The elastic clamping mechanism includes a T-shaped clamping block, a spring and a clamping screw. One end of the T-shaped clamping block is pressed on the step surface of the step mounting hole, and the other end of the T-shaped clamping block passes through the small end of the step mounting hole. The clamping screw is threadedly connected to the large end of the step mounting hole. The spring is arranged in the step mounting hole, and the two ends of the spring are respectively close to the T-shaped clamping block and the clamping screw.

8. The bearing riveting device according to claim 1, characterized in that: A metal mesh is fixed outside the riveted edge.

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