CN106994484B - Needle roller thrust bearing gasket fore shaft compacting tool set - Google Patents
Needle roller thrust bearing gasket fore shaft compacting tool set Download PDFInfo
- Publication number
- CN106994484B CN106994484B CN201710399468.6A CN201710399468A CN106994484B CN 106994484 B CN106994484 B CN 106994484B CN 201710399468 A CN201710399468 A CN 201710399468A CN 106994484 B CN106994484 B CN 106994484B
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- CN
- China
- Prior art keywords
- fore shaft
- gasket
- upper mold
- spring
- shaft supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
Abstract
The invention discloses a kind of needle roller thrust bearing gasket fore shaft compacting tool sets, with bottom plate, the cavity plate being fixed on bottom plate, upper mold and die shank, cavity plate lumen centers are fixed with support tube, support tube upper end is slidably fitted with the material returned cylinder of support pad, circumferentially uniformly there are four the sliding blocks that gasket peripheral surface is moved radially and forced in along cavity plate for cavity plate on support tube upper surface, upper mold lumen centers are equipped with punch-pin, punch-pin is circumferentially evenly equipped with before pressing mold moves down promotion and distracted four fore shaft supporting blocks by punch-pin, fore shaft supporting block base, which has, struts rear support in the bulge loop of gasket inner peripheral surface.The present invention struts rear support in gasket inner peripheral surface by fore shaft supporting block, four sliding blocks, which synchronize, to be made to force in gasket peripheral surface along moving for cavity plate radial direction, so as to uniformly suppress four inwardly protruded lock points on gasket crimp circumference, it is acted on by the lock point, realizes and securely the retainer of needle bearing is locked in gasket and keeps flexibly rotating purpose.
Description
Technical field
The present invention relates to technical field of mold more particularly to a kind of needle roller thrust bearing gasket fore shaft compacting tool sets.
Background technology
Using gasket and the needle roller thrust bearing of retainer composite structure, after retainer machines, first by needle roller and guarantor
It holds after frame assembles, then installation is combined with gasket, retainer is required to be pressed into gasket by axial force in an assembling process, is protected simultaneously
Hold frame cannot be detached from gasket and retainer in gasket can flexible rotating, therefore usually all set up accordingly in gasket week
Fore shaft locks retainer.
Invention content
The technical problem to be solved by the present invention is to：In order to overcome deficiency in the prior art, the present invention provides a kind of thrust
Retainer securely can be locked in gasket by the compacting tool set of needle bearing gasket fore shaft, the gasket fore shaft suppressed using the mold
Interior and rotation is flexible.
The technical solution adopted by the present invention to solve the technical problems is：A kind of needle roller thrust bearing gasket fore shaft pressing die
Tool for suppressing radially inward protrusion in gasket even circumferential to lock the lock of retainer point, has bottom plate, is fixed on bottom
Cavity plate on plate, the upper mold being correspondingly arranged at right over cavity plate and the die shank for being fixed on upper mold upper surface, in the cavity plate
Chamber center is fixed with support tube, and support tube upper end is slidably fitted with the material returned cylinder of support pad, on support tube upper surface
Cavity plate it is circumferentially uniformly distributed there are four the sliding block that gasket peripheral surface is moved radially and forced in along cavity plate, upper mold lumen centers are equipped with convex
Mould, punch-pin is circumferentially evenly equipped with before pressing mold moves down promotion and distracted four fore shaft supporting blocks, the fore shaft supporting block by punch-pin
Base has struts rear support in the bulge loop of gasket inner peripheral surface in fore shaft supporting block.
To generate precompressed effect to gasket, prevent gasket mobile and misplace, the upper mold cavity top is equipped with pressing plate, convex
Mould upper end is supported on the endoporus step of pressing plate, is connected between pressing plate and fore shaft supporting block and is pressed on fore shaft supporting block upper surface
The first spring, especially loop bar is connected between the pressing plate and fore shaft supporting block, by the first spring pocket on the loop bar；On
The second tension spring for fore shaft supporting block being made radially to reset after the completion of compacting is connected between mould side wall and fore shaft supporting block, is similarly existed
Spring guide is installed on upper mold side wall, second spring is set in spring guide and makes second spring front end and fore shaft supporting block phase
Connection.
Fore shaft supporting block bottom end has the interior step surface that internal diameter is less than convex mould diameter, open-top interior in this way when punch-pin moves down
Terrace causes fore shaft supporting block to strut outward.
To realize that sliding block is moved radially along cavity plate, it is preferable that the upper mold cavity bottom end has inner chamfer inclined-plane, sliding block
The outer chamfer inclined-plane that there is upper mold to coordinate when pushing with inner chamfer inclined-plane and the sliding block work is made to be moved radially along cavity plate for outer end.
The third spring for resetting sliding block after the completion of compacting is set on sliding block simultaneously, is connected between material returned cylinder and bottom plate
There is the 4th spring for material returned cylinder being made to reset initial position in company with gasket after the completion of compacting.
The beneficial effects of the invention are as follows：The present invention struts rear support in gasket inner peripheral surface by fore shaft supporting block, by upper mold
Four sliding blocks is pushed to synchronize to make to force in gasket peripheral surface along moving for cavity plate radial direction, so as to uniformly distributed on gasket crimp circumference
Four inwardly protruded lock points are suppressed, is acted on by the lock point, is realized and the retainer of needle bearing is securely locked in pad
Piece is interior and keeps flexibly rotating purpose.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of optimum embodiment of the present invention.
1. bottom plate, 2. cavity plate, 3. upper mold 3-1. inner chamfers inclined-plane 4. die shank, 5. support tube, 6. material returned cylinder 7. is slided in figure
10. pressing plate of step surface, 11. first bullet in 8. punch-pin of block 7-1. outer chamfers inclined-plane, 9. fore shaft supporting block 9-1. bulge loops 9-2.
12. second spring of spring, 13. 16. spring guide of third 15. loop bar of the 4th spring of spring 14., 17. gasket
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
A kind of needle roller thrust bearing gasket fore shaft compacting tool set as shown in Figure 1, justifies for the gasket 17 in needle bearing
All lock points for uniformly suppressing radially inward protrusion, to lock retainer and ensure the flexible rotating of retainer.The mold
With bottom plate 1, the cavity plate being fixed on bottom plate 12, the upper mold 3 being correspondingly arranged at right over cavity plate 2 and it is fixed in upper mold 3
The die shank 4 of end face.
The cavity plate 2 has the inner cylinder positioned at lumen centers, and bottom is equipped in inner cylinder and is fixed on bottom plate 1
Support tube 5, upper end is slidably fitted with the material returned cylinder 6 of support pad 17 in support tube 5, is connected between material returned cylinder 6 and bottom plate 1
Material returned cylinder 6 is made to reply the 4th spring 14 of initial position in company with gasket 17 after the completion of compacting.
Cavity plate 2 on 5 upper surface of support tube is circumferential uniformly distributed there are four sliding block 7, and the sliding block 7 is set to cavity plate 2
Between the inner cylinder of periphery wall and cavity plate 2,7 outer end of sliding block has outer chamfer inclined-plane 7-1, the 3 inner cavity bottom end of upper mold
With inner chamfer inclined-plane 3-1, when upper mold 3 moves down, coordinated by inner chamfer inclined-plane 3-1 and outer chamfer inclined-plane 7-1, upper mold 3 pushes
The sliding block 7 is made to move radially along cavity plate 2 and force in 17 peripheral surface of gasket.
Punch-pin 8 is equipped with positioned at 3 lumen centers of upper mold, punch-pin 8 is driven by upper mold 3 and moved, and 3 inner cavity top of upper mold is fixed with
Pressing plate 10,8 upper end of punch-pin are stuck between 4 bottom surface of endoporus step and die shank of pressing plate 10 and clamping, punch-pin 8 it is circumferential it is uniformly distributed there are four
Circular fore shaft supporting block 9 is encircled into, there is bulge loop 9-1, bulge loop 9-1 to protrude upper mold 3 and go to the bottom on 9 base of fore shaft supporting block
Side, 9 bottom end of fore shaft supporting block has the interior step surface 9-2 that internal diameter is slightly smaller than 8 diameter of punch-pin, when the drive punch-pin 8 of upper mold 3 moves down,
The open-top interior step surface 9-2 in 8 lower end of punch-pin and synchronize four fore shaft supporting blocks 9 and strut outward, so as to make fore shaft supporting block 9
Bulge loop 9-1 be supported in 17 inner peripheral surface of gasket.
Loop bar 15 is connected between the pressing plate 10 and fore shaft supporting block 9, is connected between pressing plate 10 and fore shaft supporting block 9
The first spring 11 of 9 upper surface of fore shaft supporting block is pressed on, the first spring 11 is sleeved on loop bar 15,3 side wall of the upper mold peace
Equipped with spring guide 16, the second spring 12 for fore shaft supporting block 9 being made radially to reset after the completion of compacting is installed in spring guide 16,
12 front end of second spring is connected with fore shaft supporting block 9, and compacting is set on the sliding block 7 synchronizes four sliding blocks 7 after the completion
The third spring 13 of reset.
The course of work is summarized as follows：Gasket 17 to be processed is set on material returned cylinder 6, when upper mold 3 is whole to be moved down,
The first contact pins 17 of fore shaft supporting block 9, upper mold 3 is whole at this time and gasket 17 continues to move down, and reaches 5 position of support tube, pad
Piece 17 and four stoppings of fore shaft supporting block 9 move down, and the precompression of the first spring 11 prevents gasket 17 from moving, and upper mold 3 is whole
Continue to move down, at this time the open-top interior step surface 9-2 of punch-pin 8 and synchronize four fore shaft supporting blocks 9 and strut outward so that
The bulge loop 9-1 of fore shaft supporting block 9 is supported on the crimp inner peripheral surface before gasket 17 is processed, and upper mold 3 is whole to be continued to move down, on
3 inner cavity bottom end of mould with inner chamfer inclined-plane 3-1 and 7 outer end of sliding block with outer chamfer inclined-plane 7-1 contact, when upper mold 3 it is whole after
Continuous when moving down, by inner chamfer inclined-plane 3-1 and the 7-1 mating reactions of outer chamfer inclined-plane, four sliding blocks 7 of promotion of upper mold 3 synchronize
Make to force in 17 peripheral surface of gasket along 2 moving for radial direction of cavity plate, due to the supporting role of four fore shaft supporting blocks 9, gasket 17
Sliding block 7 will not be followed to move, when sliding block 7 moves to reach certain position, i.e., uniformly suppress four on 17 crimp circumference of gasket
To the lock point of gasket 17 internal diameter direction protrusion, meet 17 fore shaft width requirement of gasket.After the completion of compacting, upper mold 3 is whole to moving up
Dynamic, four sliding blocks 7 are reset to initial position by third spring 13 at this time, and the 4th spring 14 pushes material returned cylinder 6 and gasket 17 upward
It is mobile, send the gasket 17 processed back to initial position, second spring 12 radially rebounds in direction four fore shaft supporting blocks 9
Initial position, gasket 17 are completely disengaged with upper mold 3, and upper mold 3 returns to initial position, and the gasket 17 processed is taken out, entire to add
Work is completed.
Using above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. a kind of needle roller thrust bearing gasket fore shaft compacting tool set, for suppressing radially inward in gasket (17) even circumferential
Protrusion has bottom plate (1), the cavity plate (2) being fixed on bottom plate (1), is correspondingly arranged at cavity plate (2) to lock the lock of retainer point
The upper mold (3) of surface and the die shank (4) for being fixed on upper mold (3) upper surface, it is characterised in that：Described cavity plate (2) inner cavity
Center is fixed with support tube (5), and support tube (5) upper end is slidably fitted with the material returned cylinder (6) of support pad (17), positioned at support tube
(5) circumferentially uniformly there are four along cavity plate (2) move radially and force in gasket (17) peripheral surface the cavity plate on upper surface (2)
Sliding block (7), upper mold (3) lumen centers are equipped with punch-pin (8), punch-pin (8) be circumferentially evenly equipped with before pressing mold promotion is moved down by punch-pin (8) and
Distracted four fore shaft supporting blocks (9), described fore shaft supporting block (9) base has struts rear support in fore shaft supporting block (9)
In the bulge loop (9-1) of gasket (17) inner peripheral surface.
2. needle roller thrust bearing gasket fore shaft compacting tool set as described in claim 1, it is characterised in that：The upper mold (3)
Inner cavity top is equipped with pressing plate (10), and punch-pin (8) upper end is supported on the endoporus step of pressing plate (10), and pressing plate (10) is supported with fore shaft
The first spring (11) for being pressed on fore shaft supporting block (9) upper surface is connected between block (9), upper mold (3) side wall is supported with fore shaft
The second spring (12) for fore shaft supporting block (9) being made radially to reset after the completion of compacting, fore shaft supporting block (9) are connected between block (9)
Bottom end has the interior step surface (9-2) that internal diameter is less than punch-pin (8) diameter.
3. needle roller thrust bearing gasket fore shaft compacting tool set as claimed in claim 2, it is characterised in that：The upper mold (3)
Inner cavity bottom end has inner chamfer inclined-plane (3-1), and there is upper mold (3) to coordinate when pushing with inner chamfer inclined-plane (3-1) for sliding block (7) outer end
And the outer chamfer inclined-plane (7-1) that the sliding block (7) work is made to be moved radially along cavity plate (2).
4. needle roller thrust bearing gasket fore shaft compacting tool set as claimed in claim 3, it is characterised in that：On the sliding block (7)
The third spring (13) for resetting sliding block (7) after the completion of compacting is set with, compacting is connected between material returned cylinder (6) and bottom plate (1)
Material returned cylinder (6) is made to reply the 4th spring (14) of initial position in company with gasket (17) after the completion.
5. needle roller thrust bearing gasket fore shaft compacting tool set as claimed in claim 3, it is characterised in that：The pressing plate (10) with
Loop bar (15) is connected between fore shaft supporting block (9), the first spring (11) is sleeved on loop bar (15).
6. needle roller thrust bearing gasket fore shaft compacting tool set as claimed in claim 3, it is characterised in that：Upper mold (3) side
Wall is equipped with spring guide (16), and second spring (12) is in spring guide (16) and second spring (12) front end and fore shaft branch
Bracer (9) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399468.6A CN106994484B (en) | 2017-05-31 | 2017-05-31 | Needle roller thrust bearing gasket fore shaft compacting tool set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399468.6A CN106994484B (en) | 2017-05-31 | 2017-05-31 | Needle roller thrust bearing gasket fore shaft compacting tool set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106994484A CN106994484A (en) | 2017-08-01 |
| CN106994484B true CN106994484B (en) | 2018-07-10 |
Family
ID=59436492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710399468.6A Active CN106994484B (en) | 2017-05-31 | 2017-05-31 | Needle roller thrust bearing gasket fore shaft compacting tool set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106994484B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4363579A (en) * | 1978-02-01 | 1979-08-09 | Torrington Company Limited, The | Rolling bearings |
| SU884791A1 (en) * | 1980-04-04 | 1981-11-30 | Ростовский-На-Дону Завод-Втуз | Die for workng parts with holes |
| JP3693445B2 (en) * | 1997-02-10 | 2005-09-07 | 日本精工株式会社 | Universal joint yoke and manufacturing method thereof |
| CN2486270Y (en) * | 2001-07-24 | 2002-04-17 | 区达光 | Synchronous expansion and retraction clamp |
| DE102007022316B4 (en) * | 2007-05-12 | 2018-04-19 | Schaeffler Technologies AG & Co. KG | Radial needle bearing assembly |
| CN101264501B (en) * | 2008-04-24 | 2010-07-07 | 苏州轴承厂有限公司 | Roller bearing holder locking notch forming method |
| CN202097268U (en) * | 2010-12-15 | 2012-01-04 | 安徽中鼎精工技术有限公司 | Mold for quickly piercing holes on an annular metal frame |
| CN104475593B (en) * | 2014-12-15 | 2016-03-02 | 安徽巨一自动化装备有限公司 | A kind of transmission input shaft lock ring rushes riveter structure |
| CN105689591B (en) * | 2016-04-14 | 2017-07-07 | 浙江固耐橡塑科技有限公司 | The one time punching molded mould of retainer ball pocket |
| CN105750403A (en) * | 2016-04-18 | 2016-07-13 | 旌德县皖星电子电器厂 | Fixing piece side face punching die |
| CN206731954U (en) * | 2017-05-31 | 2017-12-12 | 江苏南方轴承股份有限公司 | Needle roller thrust bearing pad fore shaft compacting tool set |
-
2017
- 2017-05-31 CN CN201710399468.6A patent/CN106994484B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106994484A (en) | 2017-08-01 |
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| CP03 | Change of name, title or address |
Address after: 213000 Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Nanfang Precision Industry Co.,Ltd. Address before: 213164 No.9, Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee before: Jiangsu Nanfang Bearing Co.,Ltd. |
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| CP03 | Change of name, title or address |