CN206689371U - A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing - Google Patents
A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing Download PDFInfo
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- CN206689371U CN206689371U CN201720373041.4U CN201720373041U CN206689371U CN 206689371 U CN206689371 U CN 206689371U CN 201720373041 U CN201720373041 U CN 201720373041U CN 206689371 U CN206689371 U CN 206689371U
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- 239000007787 solid Substances 0.000 title claims abstract description 12
- 238000012856 packing Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing, including it is connected to the upper die and lower die of retainer upper and lower end face；Upper mould upper surface is provided with some upper connection screw thread holes, bolt is provided with upper connection screw thread hole, the lower surface of upper mould is burnishing surface；Lower mould is step-like column structure, some lower connection screw thread holes are provided with the upper surface of the hypomere cylinder of lower mould, packing ring, the lower surface of packing ring and the upper surface of the hypomere cylinder of lower mould are arranged with the external cylindrical surface of the epimere cylinder of lower mould, the upper surface of packing ring is burnishing surface.The utility model has a mould registration, and fit precision is high, easy to use, simple to operate, it is easy to assembly quick the characteristics of, effectively increase the riveted production efficiency of retainer, avoid artificial safe operation hidden danger.
Description
Technical field
The utility model belongs to Production of bearing technical field, more particularly to a kind of split type solid cage of large size bearing is whole
Body cold-heading riveting die arrangement.
Background technology
For a diameter of Φ≤400mm large size bearing, its retainer structure is kept frequently with the entity of split-type structural
Frame.In terms of the riveting process of solid cage and steel rivet, riveted for a long time using the method for rivet weld.Such a riveting
Mode needs each rivet to retainer, and using heating one by one, then the riveting method of hot upsetting rivet is achieved；Institute
For overall riveting method, the problem of staking process efficiency is low be present；Other split type retainer was riveting
, it is necessary to be operated by the position for manually rotating rivet and heating head one by one in journey, die is contacted with rivet, produce short circuit current
Rivet heating is burnt to red, operation sequence as pressure die, and do not have retainer positioning dress on rivet weld conjunction machine worktable immediately
Put, once need to rotate the outer component of adjustment or retainer sub-assembly per riveted, labor strength is big, low production efficiency, together
When need veteran operating personnel to complete this operation；Once operation is bad, during sparking occurs, cause to keep
Frame near zone produces solution cavity point, and indivedual rivets fixations are bad to produce loosening；It additionally there are because of rivet and retainer
The problem of riveting process quality caused by coefficient of thermal expansion is inconsistent is unstable.Therefore during bearing use, may go out
The loosening of existing rivet, the failure problems such as fracture.
Utility model content
In order to solve problems of the prior art, it is split type that the purpose of this utility model is to provide a kind of large size bearing
Solid cage entirety cold-heading riveting die arrangement.
In order to realize foregoing invention purpose, the utility model uses technical scheme as described below：
A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing, including it is connected to holding
The upper die and lower die of frame upper and lower end face；
Upper mould, its upper surface are provided with some upper connection screw thread holes, are provided with bolt in upper connection screw thread hole, under upper mould
End face is burnishing surface；
Lower mould, it is step-like column structure, and some lower connection spiral shells are provided with the upper surface of the hypomere cylinder of lower mould
Pit, is arranged with packing ring on the external cylindrical surface of the epimere cylinder of lower mould, and the lower surface of packing ring is upper with the hypomere cylinder of lower mould
Surface contacts, and the upper surface of packing ring is burnishing surface.
Further, the upper connection screw thread hole is the stepped hole that epimere diameter is small, hypomere diameter is big, is arranged at connection
Bolt in screwed hole is T-bolt, after T-bolt is arranged in connection screw thread hole from bottom to top, the bolt head of T-bolt
Positioned at the lower intersegmental part of upper connection screw thread hole.
Further, the upper mould is loop configuration, and the upper surface of upper mould is made up of internal spherical surface and outer annular surface
It is step-like, and internal spherical surface is less than outer annular surface, has along the circumferential direction been uniformly arranged on internal spherical surface on some and has connected spiral shell
Pit, upper connection screw thread hole are U-type groove hole, and the notch of upper connection screw thread hole extends radially through the aperture surface of mould.
Further, the upper mould is the lower prop body by integral forming of column body by upper end and lower end, and column body is straight
Footpath is more than the diameter of lower prop, and mold has axial central through hole, along the circumferential direction laid on the upper surface of column body
Some upper connection screw thread holes are equipped with, upper connection screw thread hole is U-type groove hole, and the notch of upper connection screw thread hole extends radially through column body
Outer diameter face.
Because using above-mentioned technical proposal, the utility model has following superiority：
The utility model is fixedly connected on open-type inclinable press by T-bolt thereon when in use, by upper mould
On sliding block, lower mould is fixedly connected on the base of open-type inclinable press, the packing ring being arranged on upper mould lower surface and lower mould point
The rivet both ends not being supported on retainer, upsetting pressure is carried out to rivet using open-type inclinable press, rivet upper end is by crowded
Compressive strain forms manufactured head；The utility model can realize the riveted automation of rivet, compared with existing rivet weld technology, this reality
There is mould registration with new, fit precision is high, easy to use, simple to operate, it is easy to assembly quick the characteristics of, effectively carry
The high production efficiency of retainer riveted, avoids artificial safe operation hidden danger.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is a kind of structural representation of upper mould；
Fig. 3 is Fig. 2 side view；
Fig. 4 is another structural representation of upper mould；
Fig. 5 is Fig. 4 side view；
In figure：1st, bolt；2nd, upper mould；3rd, outer ring；4th, retainer；5th, packing ring；6th, lower mould；7th, rivet.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the technical solution of the utility model.
As shown in figure 1, a kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing, including respectively
The upper mould 2 of 4 upper and lower end face of retainer and lower mould 6 are connected to, the upper surface of upper mould 2 is provided with some upper connection screw thread holes, upper company
Connect and bolt 1 is provided with screwed hole, the lower surface of upper mould 2 is burnishing surface；Lower mould 6 is step-like column structure, in lower mould
The upper surface of hypomere cylinder is provided with some lower connection screw thread holes, and pad is arranged with the external cylindrical surface of the epimere cylinder of lower mould 6
Circle 5, the lower surface of packing ring 5 and the upper surface of the hypomere cylinder of lower mould 6, the upper surface of packing ring 5 is burnishing surface.
As the preferred of the present embodiment, the upper connection screw thread hole is the stepped hole that epimere diameter is small, hypomere diameter is big, if
The bolt being placed in connection screw thread hole is T-bolt, after T-bolt is arranged in connection screw thread hole from bottom to top, T-shaped spiral shell
The bolt head of bolt is located at the lower intersegmental part of upper connection screw thread hole.
The utility model carries out retainer 4, outer ring 3 and roller to assembly outer component in advance when specifically used, and
Retainer is the split-type structural to be linked together by holding stand and retainer lid by rivet 7, is entered using the utility model
The process of the one piece upsetting pressure of all rivets is on row retainer：
（1）The installation of upper mould
Connection screw thread hole on some is provided with the upper surface of upper mould 2, upper mould is by being arranged in upper connection screw thread hole
Bolt 1 be fixedly connected with the sliding block of open-type inclinable press, the lower surface of upper mould is burnishing surface.
In this step, upper mould 2 should select according to the diameter of outer ring 3 in outer component, illustrate for：
One：During race diameter >=150mm, as shown in Figure 2,3, upper mould is loop configuration, and the upper surface of upper mould is by interior
Ring surface and outer annular surface composition it is step-like, and internal spherical surface is less than outer annular surface, on internal spherical surface along the circumferential direction
Some upper connection screw thread holes are uniformly arranged, upper connection screw thread hole is U-type groove hole, and the notch of upper connection screw thread hole extends radially through
The aperture surface of upper mould；
Secondly：During race diameter ＜ 150mm, as shown in Figure 4,5, the upper mould is under column body and lower end by upper end
Cylinder is integrally formed, and the diameter of column body is more than the diameter of lower prop, and mold has axial central through hole, in column body
Some upper connection screw thread holes along the circumferential direction it have been uniformly arranged on upper surface, upper connection screw thread hole is U-type groove hole, upper connection screw thread
The notch in hole extends radially through the outer diameter face of column body.
One, secondly in, the quantity of upper connection screw thread hole is preferably 3~6, also, on upper connection screw thread hole is
Section diameter is small, hypomere diameter is big stepped hole, in this embodiment, a diameter of 16mm of epimere of upper connection screw thread hole, hypomere is straight
Footpath is 20mm, and the bolt being arranged in connection screw thread hole of upper connection screw thread hole is T-bolt, and T-bolt is set from bottom to top
After being placed in connection screw thread hole, the bolt head of T-bolt is located at the lower intersegmental part of upper connection screw thread hole.
The structure of upper connection screw thread hole and the design of T-bolt, its purpose is to upper mould is firmly connected with sliding block.
（2）The installation of lower mould
Lower mould 6 is step-like column structure, and some lower connection screw threads are provided with the upper surface of the hypomere cylinder of lower mould 6
Hole, the quantity of lower connection screw thread hole is preferably 3~6, a diameter of 16mm, is arranged on the external cylindrical surface of the epimere cylinder of lower mould
There is a packing ring 5, the lower surface of packing ring 5 and the upper surface of the hypomere cylinder of lower mould 6, the upper surface of packing ring 5 is burnishing surface, lower mould
It is fixedly connected by being arranged at the bolt of lower connection screw thread hole with the base on open-type inclinable press.
The height design of the epimere cylinder of lower mould, on the one hand will ensure the upper segment column for keeping the aperture surface of stand to lean against lower mould
On the face of cylinder of body, on the other hand height can not be too high, otherwise descends the upper segment column of mould to know from experience contact rolling element.
It is suitable to should ensure that during gap location design size between the external diameter of the epimere cylinder of lower mould and the internal diameter for keeping stand
Cooperation, it is impossible to it is too loose can not be too tight so that during riveted, and ensure upper end of the lower surface to rivet of upper mould（That is head end）Enter
The comprehensive pressing of row, avoid causing to be pressed onto on the end face of outer ring because outer component radially rocks.
（3）The installation of outer component and lower mould
By step（1）In outer component be positioned on the lower mould, place require it is as follows：
（3.1）Ensure that the lower surface of all rivets on outer component is located on the upper surface of packing ring；In this step, it is described
The diameter of packing ring is more than the internal diameter of retainer, and the diameter of packing ring is less than the external diameter of retainer；In addition, by increasing different height
Packing ring can realize to install stroke micro-adjustment；
（3.2）Ensure that the aperture surface of the retainer on outer component is fitted on the external cylindrical surface of epimere cylinder of lower mould, protect
The lower end for holding the rivet on frame contacts with the upper surface of packing ring, ensures that retainer is in horizontality, in this step, outer group
Outer ring in part is in vacant state.
（4）The installation of upper mould and outer component
Using the action of open-type inclinable press, the sliding block on open-type inclinable press is set to drive upper mould to be thereon displaced downwardly to
On outer component, it is ensured that lower surface of the upper surface of all rivets with upper mould contacts on outer component.
（5）Upsetting pressure
Pass through the action of open-type inclinable press so that the sliding block of open-type inclinable press, which drives upper mould to move down, to be made
The lower surface of mould contacts the upper surface of rivet, and then open-type inclinable press gives rivet pressure by upper mould so that on rivet
End extrusion forms manufactured head, so as to complete the overall cold-heading on rivet top riveting.
It should be noted that during upsetting pressure, the outer ring of outer component is in vacant state all the time.
Claims (4)
1. a kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing, it is characterized in that：Including connecting respectively
It is connected on the upper die and lower die of retainer upper and lower end face；
Upper mould, its upper surface are provided with some upper connection screw thread holes, bolt, the lower surface of upper mould are provided with upper connection screw thread hole
For burnishing surface；
Lower mould, it is step-like column structure, and some lower connection screw thread holes are provided with the upper surface of the hypomere cylinder of lower mould,
Packing ring is arranged with the external cylindrical surface of the epimere cylinder of lower mould, the lower surface of packing ring and the upper surface of the hypomere cylinder of lower mould connect
Touch, the upper surface of packing ring is burnishing surface.
2. the split type solid cage entirety cold-heading riveting die arrangement of large size bearing according to claim 1, it is special
Sign is：The upper connection screw thread hole is the stepped hole that epimere diameter is small, hypomere diameter is big, the spiral shell being arranged in connection screw thread hole
Bolt is T-bolt, and after T-bolt is arranged in connection screw thread hole from bottom to top, the bolt head of T-bolt is located at upper connection spiral shell
The lower intersegmental part of pit.
3. the split type solid cage entirety cold-heading riveting die arrangement of large size bearing according to claim 2, it is special
Sign is：The upper mould is loop configuration, and the upper surface of upper mould is made up of step-like and interior internal spherical surface and outer annular surface
Ring surface is less than outer annular surface, and connection screw thread hole on some, upper connection spiral shell have along the circumferential direction been uniformly arranged on internal spherical surface
Pit is U-type groove hole, and the notch of upper connection screw thread hole extends radially through the aperture surface of mould.
4. the split type solid cage entirety cold-heading riveting die arrangement of large size bearing according to claim 2, it is special
Sign is：The upper mould is the lower prop body by integral forming of the column body and lower end by upper end, and the diameter of column body is more than lower prop
Diameter, mold has axial central through hole, has along the circumferential direction been uniformly arranged on some and connected on the upper surface of column body
Screwed hole is connect, upper connection screw thread hole is U-type groove hole, and the notch of upper connection screw thread hole extends radially through the outer diameter face of column body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373041.4U CN206689371U (en) | 2017-04-11 | 2017-04-11 | A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373041.4U CN206689371U (en) | 2017-04-11 | 2017-04-11 | A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206689371U true CN206689371U (en) | 2017-12-01 |
Family
ID=60441983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373041.4U Active CN206689371U (en) | 2017-04-11 | 2017-04-11 | A kind of split type solid cage entirety cold-heading riveting die arrangement of large size bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206689371U (en) |
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2017
- 2017-04-11 CN CN201720373041.4U patent/CN206689371U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: Zhong Guo Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: Zhong Guo |
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| CP03 | Change of name, title or address |