CN213258028U - Bearing external member extrusion die - Google Patents

Abstract

The utility model provides a bearing external member extrusion die, including last die set, tapering dabber and push down the module, it includes sleeve and axle connecting piece to go up die set, the axle connecting piece sets up the sleeve top, be equipped with elastic component in the sleeve, the tapering dabber includes round platform spare and dabber, the up end diameter of round platform spare is little, terminal surface diameter is big down, the lower terminal surface diameter of round platform spare is less than the sleeve internal diameter, the dabber sets up in round platform spare below, it is equipped with bearing positioning groove to push down on the module, bearing positioning groove's diameter with the lower terminal surface diameter size of round platform spare is unanimous, the utility model discloses structural design is simple reasonable, can effectively improve assembly efficiency.

Description

Bearing external member extrusion die

Technical Field

The utility model belongs to the technical field of the bearing installation technique and specifically relates to indicate a bearing external member extrusion die.

Background

The bearing is an important part in modern mechanical equipment, and its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee its gyration precision, consequently, can all match the bearing to use on many subassemblies, for example, gear spare matches the bearing and uses, just often sees on drive mechanism, as shown in fig. 2, gear spare (6) are installed on bearing (5), can establish jump ring (4) in gear spare both ends card simultaneously and prevent to drop with fixed gear spare (6), and traditional assembly needs to press gear spare (6) into bearing (5) through the punching machine earlier, then reuse jump ring pincers with jump ring (4) card respectively in the recess of bearing (5) at both ends, assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a bearing external member extrusion die, structural design is simple reasonable, can effectively improve assembly efficiency. In order to achieve the above purpose, the utility model adopts the following technical scheme:

(II) technical scheme

The utility model provides a bearing external member extrusion die, includes and presses die set, tapering dabber and pushes down the module, it includes sleeve and axle connecting piece to go up die set, the axle connecting piece sets up the sleeve top, be equipped with elastic component in the sleeve, the tapering dabber includes round platform spare and dabber, the up end diameter of round platform spare is little, the terminal surface diameter is big down, the lower terminal surface diameter of round platform spare is less than the sleeve internal diameter, the dabber sets up in round platform spare below, it is equipped with bearing positioning groove to push down on the module, bearing positioning groove's diameter with the lower terminal surface diameter size of round platform spare is unanimous.

Further, the shaft connecting piece and the sleeve are integrally formed, and the circular truncated cone piece and the mandrel are integrally formed.

Further, the elastic component comprises a spring, a bottom plate, a long bolt and a nut, a connecting hole is formed in the shaft connecting piece along the axial direction, the long bolt and the nut are installed on the connecting hole, the bottom plate is sleeved on the long bolt, and the spring is clamped between the bottom plate and the sleeve.

Furthermore, a first groove is formed in the circular truncated cone, and the long bolt head is arranged in the first groove when pressed downwards.

Furthermore, a second positioning groove is formed above the bearing positioning groove.

Furthermore, a positioning column is arranged below the pressing module.

(III) advantageous effects

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, the utility model discloses an upward press module, tapering dabber and push down mutually supporting of module three, enable gear spare and jump ring and install the bearing fast on, improved assembly efficiency greatly.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of a bearing assembly;

FIG. 3 is a cross-sectional view of the present invention as assembled;

fig. 4 is a perspective view of the present invention during assembly.

The reference numbers illustrate:

1. upper die set 11, sleeve 12, shaft connecting piece 13 and elastic component

131. Spring 132, bottom plate 133, long bolt 134 and nut

14. Connecting hole 2, taper mandrel 21, circular truncated cone 211 and first groove

22. Mandrel 3, pressing module 31, bearing positioning groove 32 and positioning groove II

33. Positioning column 4, clamp spring 5, bearing 6 and gear part

7. Spindle 8, table 81, positioning hole

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, 3 and 4, a bearing set extrusion die comprises an upper die set 1, a taper mandrel 2 and a lower die set 3, wherein the upper die set 1 comprises a sleeve 11 and a shaft connecting piece 12, the shaft connecting piece 12 is arranged above the sleeve 11, the shaft connecting piece 12 is conveniently clamped in an inner hole of a main shaft 7 of a punch press, then the shaft connecting piece 12 is locked through a bolt, an elastic component 13 is arranged in the sleeve 11, the taper mandrel 2 comprises a circular truncated cone 21 and a mandrel 22, the upper end surface of the circular truncated cone 21 is small in diameter and the lower end surface of the circular truncated cone 21 is large in diameter, the lower end surface of the circular truncated cone 21 is smaller than the inner diameter of the sleeve 11, so that the taper mandrel 2 can enter the sleeve 11 during extrusion, the mandrel 22 is arranged below the circular truncated cone 21, the mandrel 22 is matched with the inner hole of a bearing 5 to facilitate positioning, and the lower die set 3 is provided with a bearing positioning, the diameter of the bearing positioning groove 31 is consistent with the diameter of the lower end face of the circular truncated cone 21, so that the gear piece 6 and the clamp spring 4 can slide downwards along the circular truncated cone 21 and can be clamped on the bearing 5 conveniently.

In order to reduce the processing procedures, the shaft connecting piece 12 and the sleeve 11 are integrally formed, and the circular truncated cone piece 21 and the mandrel 22 are integrally formed.

For convenience of manufacturing and installation, the elastic component 13 includes a spring 131, a bottom plate 132, a long bolt 133 and a nut 134, the shaft connector 12 is provided with a connecting hole 14 along the axial direction, the connecting hole 14 penetrates through the shaft connector 12 and the sleeve 11, the long bolt 133 and the nut 134 are installed on the connecting hole 14, the bottom plate 132 is sleeved on the long bolt 133, and the spring 131 is clamped between the bottom plate 132 and the sleeve 11 and sleeved on the long bolt 133.

In order to enable the circular truncated cone 21 to be stressed uniformly, a first groove 211 is formed in the circular truncated cone 21, and the head of the long bolt 133 is arranged in the first groove 211 when being pressed downwards, so that the circular truncated cone 21 is separated from the sleeve 11 under the action of the elastic assembly 13 when the spindle 7 ascends.

In order to avoid damaging the first clamp spring 4 when the bearing 5 is assembled with another clamp spring 4 in a surface changing manner, a second positioning groove 32 is arranged above the bearing positioning groove 31.

In order to prevent the push-down module 3 from moving, a positioning column 33 is arranged below the push-down module 3, and a positioning hole 81 is arranged on the working table 8.

The utility model discloses an application principle: the positioning column 33 of the lower pressing module 3 is clamped into a positioning hole 81 on the workbench 8, then the shaft connecting piece 12 on the upper pressing module 1 is clamped into a hole in a main shaft 7 of the punching machine, the shaft connecting piece 12 is locked through a bolt, the bearing 5 is placed on the bearing positioning groove 31, then the core shaft 22 on the taper core shaft 2 is clamped into an inner hole of the bearing 5, then the gear piece 6 and the clamp spring 4 are sequentially sleeved on the circular truncated cone piece 21, the punching machine is started, in the downward extrusion process of the lower pressing module 3, the gear piece 6 and the clamp spring 4 move downward along the circular truncated cone piece 21 and are extruded onto the bearing 5, and when the clamp spring 4 reaches a clamp spring groove of the bearing 5, the gear piece 6 and the clamp spring 4 can contract and then are clamped; after the main shaft 7 rises, the taper mandrel 2 and the bearing 5 are taken, then another clamp spring 4 is installed on one surface of the bearing 5, the bearing 5 is continuously placed on the bearing positioning groove 31, then the mandrel 22 on the taper mandrel 2 is clamped into the inner hole of the bearing 5, at the moment, only another clamp spring is required to be sleeved on the circular truncated cone part 21, and the other clamp spring 4 can be installed in place when the main shaft 7 descends.

The utility model discloses a go up and press module, tapering dabber and push down mutually supporting of module three, enable gear spare and jump ring and install the bearing fast on, improved assembly efficiency greatly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a bearing external member extrusion die which characterized in that: including last die set, tapering dabber and push down the module, it includes sleeve and axle connecting piece to go up the die set, the axle connecting piece sets up the sleeve top, be equipped with elastic component in the sleeve, the tapering dabber includes round platform spare and dabber, the up end diameter of round platform spare is little, the terminal surface diameter is big down, the lower terminal surface diameter of round platform spare is less than the sleeve internal diameter, the dabber sets up in round platform spare below, it is equipped with bearing positioning groove to push down on the module, bearing positioning groove's diameter with the lower terminal surface diameter size of round platform spare is unanimous.

2. The bearing set extrusion die of claim 1, wherein: the shaft connecting piece and the sleeve are integrally formed, and the circular truncated cone piece and the mandrel are integrally formed.

3. The bearing set extrusion die of claim 2, wherein: the elastic component comprises a spring, a bottom plate, a long bolt and a nut, a connecting hole is formed in the shaft connecting piece along the axial direction, the long bolt and the nut are installed on the connecting hole, the bottom plate is sleeved on the long bolt, and the spring is clamped between the bottom plate and the sleeve.

4. The bearing set extrusion die of claim 3, wherein: the round platform piece is provided with a first groove, and the long bolt head is arranged in the first groove when pressed downwards.

5. The bearing set extrusion die of claim 1, wherein: and a second positioning groove is arranged above the bearing positioning groove.

6. The bearing set extrusion die of claim 1, wherein: and a positioning column is arranged below the pressing module.

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