CN106944588B - A kind of large size bearing split type solid cage entirety cold riveting pressure method - Google Patents
A kind of large size bearing split type solid cage entirety cold riveting pressure method Download PDFInfo
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- CN106944588B CN106944588B CN201710232181.4A CN201710232181A CN106944588B CN 106944588 B CN106944588 B CN 106944588B CN 201710232181 A CN201710232181 A CN 201710232181A CN 106944588 B CN106944588 B CN 106944588B
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- screw thread
- rivet
- connection screw
- upper mold
- hole
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000001125 extrusion Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/44—Rivet hole positioners
Abstract
The invention discloses a kind of split type solid cage entirety cold-heading riveting methods of large size bearing, comprising the following steps: (1) installation of outer component；(2) installation of upper mold；(3) installation of lower die；(4) installation of outer component and lower die；(5) installation of upper mold and outer component；(6) upsetting pressure.The present invention is compared with existing rivet weld technology, with registration, it is easy to use, it is easy to operate, have cooperation precision high, efficiently effect easy to assembly, the production efficiency of retainer can effectively be improved, with economical and practical, riveted is high-efficient, can be offered reference for same type large size bearing using the assembly of split type solid cage.
Description
Technical field
It is whole with split type solid cage that the invention belongs to technical field of bearing processing more particularly to a kind of large size bearing
Method is pressed in cold riveting.
Background technique
Split type solid cage has good turning process, and being usually used in diameter is the big of Φ≤400mm
During what profile shaft was held design and manufacture.In terms of the riveting process of solid cage and steel rivet for split type structure, for a long time with
Method to use rivet weld is riveted.Such riveting method needs each rivet to bearing retainer, using heating one by one,
Then the riveting method of hot upsetting rivet is achieved；So there are staking process low efficiencys for whole riveting method
Under problem；In addition, split type retainer in riveting process, needs the position by manually rotating rivet and heating head one by one
Operation, contacts riveter with rivet, and generation short circuit current is red by rivet heating burning, depresses operation sequence as riveter immediately,
And there is no retainer positioning device on rivet weld conjunction machine worktable, every riveted once needs to rotate the outer component of adjustment or retainer group
Component, labor intensity of workers is big, and production efficiency is low, while needing veteran operator to complete, if
It once operation is bad, will appear sparking in the process, retainer near zone caused to generate solution cavity point, the fixed bad meeting of individual rivets
Generate loosening；Additionally there are because the coefficient of thermal expansion of rivet and retainer it is inconsistent caused by riveting process unstable quality
The problem of.Therefore in bearing use process, it is possible that the loosening of rivet, the failure problems such as fracture.
Goal of the invention
It is riveted and existing problems to solve existing split type solid cage using rivet weld method, this
The purpose of invention is to provide a kind of split type solid cage entirety cold-heading riveting method of large size bearing, and the present invention can be realized
The riveted of rivet automates, and improves production efficiency and riveting quality, saves cost of labor, avoids peace present in manual operation
Full hidden danger.
In order to achieve the above-mentioned object of the invention, the present invention uses technical solution as described below:
A kind of split type solid cage entirety cold-heading riveting method of large size bearing, comprising the following steps:
(1) installation of outer component
Outer component includes keeping stand, retainer lid, outer ring, roller and rivet, outer component during installation, retainer lid with
Keep stand alignment, it is ensured that retainer lid and the central axis coincidence for keeping stand, and guarantee retainer lid and keep stand
On rivet hole correspond each other, load rivets into rivet hole, the both ends of rivet made to stretch out retainer lid and holding respectively
Rivet hole on stand, and then complete the installation of outer component；
(2) installation of upper mold
The upper surface of upper mold (2) is provided with several upper connection screw thread holes, upper mold is by being set in upper connection screw thread hole
Bolt be fixedly connected with the sliding block of open-type inclinable press, the lower end surface of upper mold is burnishing surface；
(3) installation of lower die
Lower die is step-like column structure, and several lower connection screw threads are equipped on the upper surface of the lower section cylinder of lower die
Hole is arranged with washer, the upper table of the lower section cylinder of the lower end surface and lower die of washer on the external cylindrical surface of the upper section cylinder of lower die
Face contact, the upper surface of washer are burnishing surface, and lower die is by being set to the bolt and open-type inclinable press of lower connection screw thread hole
On pedestal be fixedly connected；
(4) installation of outer component and lower die
Outer component in step (1) is placed in the lower die, it is as follows to place requirement:
(4.1) ensure that the lower end surface of all rivets on outer component is located on the upper surface of washer；
(4.2) ensure that the aperture surface of the retainer on outer component is fitted on the external cylindrical surface of upper section cylinder of lower die；
(5) installation of upper mold and outer component
Using the movement of open-type inclinable press, make the sliding block on open-type inclinable press that upper mold thereon be driven to be displaced downwardly to
On outer component, it is ensured that on outer component the upper surface of all rivets with the lower end face contact of upper mold；
(6) upsetting pressure
By the movement of open-type inclinable press, so that the sliding block of open-type inclinable press, which drives upper mold to move down, to be made
The upper surface of the lower end face contact rivet of mould, then open-type inclinable press gives rivet pressure by upper mold, so that on rivet
End extrusion forms manufactured head, to complete the whole cold-heading riveting on rivet top.
Further, in step (2), the upper connection screw thread hole is the stepped hole that upper diameter is small, lower section diameter is big,
The bolt being set in connection screw thread hole is T-bolt, after T-bolt is set to from bottom to top in connection screw thread hole, T-type
The bolt head of bolt is located at the lower intersegmental part of upper connection screw thread hole.
Further, in step (2), the upper mold is ring structure, and the upper surface of upper mold is by internal spherical surface and outer
Annular surface forms step-like, and internal spherical surface is lower than outer annular surface, has along the circumferential direction been uniformly arranged on internal spherical surface
Several upper connection screw thread holes, upper connection screw thread hole are U-type groove hole, and the notch of upper connection screw thread hole extends radially through the internal diameter of upper mold
Face.
Further, in step (2), the upper mold 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 greater than the diameter of lower prop, upper mold has axial central through hole, along circle on the upper surface of column body
Circumferential direction has been uniformly arranged several upper connection screw thread holes, and upper connection screw thread hole is U-type groove hole, and the notch of upper connection screw thread hole is along diameter
To the outer diameter face for running through column body.
Further, in step (4), the diameter of the washer is greater than the internal diameter of retainer, and the diameter of washer is less than
The outer diameter of retainer.
Due to the adoption of the above technical scheme, the present invention has following superiority:
Compared with existing rivet weld technology, the present invention has registration, easy to use, easy to operate, has cooperation essence
Degree is high, and efficiently effect easy to assembly can effectively improve the production efficiency of retainer, has economical and practical, and riveted is high-efficient,
It can be offered reference for same type large size bearing using the assembly of split type solid cage.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of outer component and upper die and lower die；
Fig. 2 is the structural schematic diagram of the upper mold of embodiment one；
Fig. 3 is the side view of Fig. 2；
The structural schematic diagram of the upper mold of the position Fig. 4 embodiment two；
Fig. 5 is the side view of Fig. 4；
In figure: 1, bolt；2, upper mold；21, swing-in U-type groove hole；22 outward opening U-type groove holes；3, outer ring；4, washer；5,
Lower die；6, stand is kept；7, rivet；8, retainer lid.
Specific embodiment
The present invention is to process upper mold 2 and lower die 5 by design, and be installed on open-type inclinable press, be can achieve riveting
Nail 7 realizes the whole cold-heading riveting of seperated retainer, and design principle of the invention is using rivet 7 from the effect in high pressure
Lower generation cold-pressing deformation, so that all rivets on retainer deform be formed by curing manufactured head simultaneously, thus by split type guarantor
It holds frame component to connect, realizes the primary riveting of split type retainer entirety.
Lower mask body combination accompanying drawings and embodiments are further described in detail technical solution of the present invention.
A kind of split type solid cage entirety cold-heading riveting method of large size bearing, comprising the following steps:
(1) installation of outer component
As shown in Figure 1, outer component includes that stand 6, retainer lid 8, outer ring 3, roller and rivet 7, outer component is kept to pacify
When dress, retainer lid 8 is aligned with stand 6 is kept, it is ensured that retainer lid 8 and the central axis coincidence for keeping stand 6, and guarantee
Rivet hole on retainer lid and holding stand corresponds each other, and rivet 7 is packed into rivet hole, makes the both ends point of rivet 7
Retainer lid and the rivet hole on stand Shen Chu not be kept, and then complete the installation of outer component.
Rivet 7 is answered elastic appropriateness, can be tapped down with hammer when being packed into；That is, the diameter of rivet should be according to retainer lid
With keep the rivet hole on stand to select, the diameter of rivet is smaller, then do not have after being packed into rivet hole by retainer lid and
The effect being connected as one for keeping stand, if rivet is relatively large in diameter, rivet is just not easy to be packed into rivet hole.
(2) installation of upper mold
Several upper connection screw thread holes are provided on the upper surface of upper mold 2, upper mold is by being set in upper connection screw thread hole
Bolt 1 be fixedly connected with the sliding block of open-type inclinable press, the lower end surface of upper mold 2 is burnishing surface.
In this step, upper mold 2 should be selected according to 3 diameter of outer ring in outer component, be illustrated are as follows:
First, as shown in Figure 2,3, the upper mold 2 is ring structure, the upper surface of upper mold 2 when race diameter >=150mm
Be made of internal spherical surface and outer annular surface it is step-like, and internal spherical surface be lower than outer annular surface, along circle on internal spherical surface
Circumferential direction has been uniformly arranged several upper connection screw thread holes, and upper connection screw thread hole is swing-in U-type groove hole 21, upper connection screw thread hole
Notch extends radially through the aperture surface of upper mold；
Second, as shown in Figure 4,5, the upper mold is under column body and lower end by upper end when race diameter < 150mm
Cylinder is integrally formed, and the diameter of column body is greater than the diameter of lower prop, and upper mold has axial central through hole, in column body
Several upper connection screw thread holes have along the circumferential direction been uniformly arranged on upper surface, upper connection screw thread hole is outward opening U-type groove hole 22, on
The notch of connection screw thread 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
The section stepped hole that diameter is small, lower section diameter is big, in this embodiment, the upper diameter of upper connection screw thread hole is 16mm, and lower section is straight
Diameter is 20mm, and the bolt of upper connection screw thread hole being set in 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 prevent T-bolt from contacting with rivet.
(3) installation of lower die
Lower die 5 is step-like column structure, and several lower connection screw threads are equipped on the upper surface of the lower section cylinder of lower die 5
Hole, the quantity of lower connection screw thread hole are preferably 3~6, and diameter 16mm is arranged on the external cylindrical surface of the upper section cylinder of lower die
There is washer 4, the upper surface of the lower section cylinder of the lower end surface and lower die of washer 4 contacts, and the upper surface of washer 4 is burnishing surface, lower die 5
Bolt by being set to lower connection screw thread hole is fixedly connected with the pedestal on open-type inclinable press.
The height of the upper section cylinder of lower die 5 designs, and on the one hand to guarantee the upper section for keeping the aperture surface of stand to lean against lower die
On the cylindrical surface of cylinder, on the other hand height cannot be too high, and otherwise the upper segment column of lower die knows from experience contact rolling element.
It should ensure that conjunction when gap location design size between the outer diameter of the upper section cylinder of lower die 5 and the internal diameter for keeping stand 6
Suitable cooperation, cannot it is too loose can not be too tight so that when riveted, and guarantee upper end (i.e. head end) of the lower end surface to rivet of upper mold
It is comprehensively pressed, avoids causing to be pressed on the end face of outer ring because outer component radially shakes.
(4) installation of outer component and lower die
As shown in Figure 1, the outer component in step (1) is placed in the lower die, it is as follows to place requirement:
(4.1) ensure that the lower end surface of all rivets 7 on outer component is located on the upper surface of washer 4；In this step, institute
The diameter for stating washer 4 is greater than the internal diameter of retainer, and the diameter of washer is less than the outer diameter of retainer；In addition, different by increasing
The micro-adjustment to installation stroke may be implemented in the washer of height；
(4.2) ensure that the aperture surface of the retainer on outer component is fitted on the external cylindrical surface of upper section cylinder of lower die, protect
The lower end of the rivet on frame is held with the upper end face contact of washer, guarantees that retainer is in horizontality, in this step, outer group
Outer ring in part is in vacant state.
(5) installation of upper mold and outer component
Using the movement of open-type inclinable press, make the sliding block on open-type inclinable press that upper mold thereon be driven to be displaced downwardly to
On outer component, it is ensured that on outer component the upper surface of all rivets with the lower end face contact of upper mold.
(6) upsetting pressure
By the movement of open-type inclinable press, so that the sliding block of open-type inclinable press, which drives upper mold to move down, to be made
The upper surface of the lower end face contact rivet of mould, then open-type inclinable press gives rivet pressure by upper mold, so that on rivet
End extrusion forms manufactured head, to complete the whole cold-heading riveting on rivet top.
During upsetting pressure, the outer ring of outer component is in vacant state always.
The present invention is compared with prior art:
The solid cage of existing split type structure and the riveting process of steel rivet are the sides for using rivet weld for a long time
Method is riveted, such riveting method needs each rivet to bearing retainer, using heating one by one, then hot upsetting rivet
Riveting method is achieved, therefore there are staking process inefficiency, labor intensity of workers is big, and production efficiency is low, riveting process
The problems such as unstable quality.
The present invention is by design upper die and lower die and to cooperate existing open-type inclinable press, be can be realized to retainer
The one piece cold-heading molding of rivet, greatly improves work efficiency and ensure that processing quality, and the present invention has positioning accurate
Really, easy to use, it is easy to operate, have cooperation precision high, efficiently effect easy to assembly can effectively improve the life of retainer
Produce efficiency, have it is economical and practical, riveted is high-efficient, can for same type large size bearing use split type solid cage dress
With offering reference.
Claims (5)
1. a kind of split type solid cage entirety cold-heading riveting method of large size bearing, it is characterized in that: the following steps are included:
(1) installation of outer component
Outer component includes keeping stand, retainer lid, outer ring, roller and rivet, and outer component during installation, retainer lid and is kept
Stand alignment, it is ensured that retainer lid and the central axis coincidence for keeping stand, and guarantee retainer lid and keep on stand
Rivet hole corresponds each other, loads rivets into rivet hole, and one end of rivet is made to reach the rivet hole that retainer covers, into
And complete the installation of outer component；
(2) installation of upper mold
The upper surface of upper mold is provided with several upper connection screw thread holes, upper mold by the bolt that is set in upper connection screw thread hole with
The sliding block of open-type inclinable press is fixedly connected, and the lower end surface of upper mold is burnishing surface；
(3) installation of lower die
Lower die is step-like column structure, and several lower connection screw thread holes are equipped on the upper surface of the lower section cylinder of lower die,
Washer is arranged on the external cylindrical surface of the upper section cylinder of lower die, the upper surface of the lower section cylinder of the lower end surface and lower die of washer connects
The upper surface of touching, washer is burnishing surface, and lower die is by being set on the bolt and open-type inclinable press of lower connection screw thread hole
Pedestal is fixedly connected；
(4) installation of outer component and lower die
Outer component in step (1) is placed in the lower die, it is as follows to place requirement:
(4.1) ensure that the lower end surface of all rivets on outer component is located on the upper surface of washer；
(4.2) ensure that the aperture surface of the retainer on outer component is fitted on the external cylindrical surface of upper section cylinder of lower die；
(5) installation of upper mold and outer component
Using the movement of open-type inclinable press, make the sliding block on open-type inclinable press that upper mold thereon be driven to be displaced downwardly to outer group
On part, it is ensured that on outer component the upper surface of all rivets with the lower end face contact of upper mold；
(6) upsetting pressure
By the movement of open-type inclinable press, so that the sliding block of open-type inclinable press, which drives upper mold to move down, makes upper mold
The upper surface of lower end face contact rivet, then open-type inclinable press gives rivet pressure by upper mold, so that rivet upper end
Extrusion forms manufactured head；Rivet is secured in rivet hole itself after jumping-up, to complete the whole of retainer rivet
Body cold-heading riveting.
2. the split type solid cage entirety cold-heading riveting method of large size bearing according to claim 1, it is characterized in that:
In step (2), the upper connection screw thread hole is the stepped hole that upper diameter is small, lower section diameter is big, is set to connection screw thread
Bolt in hole is T-bolt, and after T-bolt is set to from bottom to top in connection screw thread hole, the bolt head of T-bolt is located at
The lower intersegmental part of upper connection screw thread hole.
3. the split type solid cage entirety cold-heading riveting method of large size bearing according to claim 1, it is characterized in that:
In step (2), the upper mold is ring structure, the step that the upper surface of upper mold is made of internal spherical surface and outer annular surface
Shape, and internal spherical surface is lower than outer annular surface, and several upper connection screw thread holes have along the circumferential direction been uniformly arranged on internal spherical surface,
Upper connection screw thread hole is swing-in U-type groove hole, and the notch of upper connection screw thread hole extends radially through the aperture surface of upper mold.
4. the split type solid cage entirety cold-heading riveting method of large size bearing according to claim 1, it is characterized in that:
In step (2), the upper mold 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 greater than
The diameter of lower prop, upper mold has axial central through hole, if being along the circumferential direction uniformly arranged on the upper surface of column body
Dry upper connection screw thread hole, upper connection screw thread hole is outward opening U-type groove hole, and the notch of upper connection screw thread hole extends radially through column body
Outer diameter face.
5. the split type solid cage entirety cold-heading riveting method of large size bearing according to claim 1, it is characterized in that:
In step (4), the diameter of the washer is greater than the internal diameter of retainer, and the diameter of washer is less than the outer diameter of retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232181.4A CN106944588B (en) | 2017-04-11 | 2017-04-11 | A kind of large size bearing split type solid cage entirety cold riveting pressure method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232181.4A CN106944588B (en) | 2017-04-11 | 2017-04-11 | A kind of large size bearing split type solid cage entirety cold riveting pressure method |
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| Publication Number | Publication Date |
|---|---|
| CN106944588A CN106944588A (en) | 2017-07-14 |
| CN106944588B true CN106944588B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726457A1 (en) * | 1996-07-05 | 1998-01-08 | Schmidt Dieter Maschbau | Stamp rivet setter to connect workpieces |
| CN202910237U (en) * | 2012-09-27 | 2013-05-01 | 凯盛重工有限公司 | Riveting tool |
| CN204294855U (en) * | 2014-10-27 | 2015-04-29 | 重庆长兴工业有限公司 | The riveting tool of clutch housing and gear |
| CN204805900U (en) * | 2015-07-07 | 2015-11-25 | 南车株洲电力机车有限公司 | Adjustable type road conditions camera mount pad |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013022647A (en) * | 2011-07-22 | 2013-02-04 | Suzuki Koki:Kk | Horizontal caulking riveting machine of small workpiece |
-
2017
- 2017-04-11 CN CN201710232181.4A patent/CN106944588B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726457A1 (en) * | 1996-07-05 | 1998-01-08 | Schmidt Dieter Maschbau | Stamp rivet setter to connect workpieces |
| CN202910237U (en) * | 2012-09-27 | 2013-05-01 | 凯盛重工有限公司 | Riveting tool |
| CN204294855U (en) * | 2014-10-27 | 2015-04-29 | 重庆长兴工业有限公司 | The riveting tool of clutch housing and gear |
| CN204805900U (en) * | 2015-07-07 | 2015-11-25 | 南车株洲电力机车有限公司 | Adjustable type road conditions camera mount pad |
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| Publication number | Publication date |
|---|---|
| CN106944588A (en) | 2017-07-14 |
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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 |