CN107413912B - A method of being used for internal tooth lock washer punching press - Google Patents
A method of being used for internal tooth lock washer punching press Download PDFInfo
- Publication number
- CN107413912B CN107413912B CN201710711843.6A CN201710711843A CN107413912B CN 107413912 B CN107413912 B CN 107413912B CN 201710711843 A CN201710711843 A CN 201710711843A CN 107413912 B CN107413912 B CN 107413912B
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- China
- Prior art keywords
- internal tooth
- lock washer
- tooth lock
- groove
- staking punch
- Prior art date
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Classifications
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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
Abstract
This patent is related to spare parts processing machinery field, specifically disclose a kind of method for internal tooth lock washer punching press, a kind of decompressor has been used in this process for stamping, the decompressor is when in use, individual punching press can be carried out to the first internal tooth lock washer and the second internal tooth lock washer, also punching press simultaneously can be carried out to the first internal tooth lock washer and the second internal tooth lock washer, when by the first internal tooth lock washer and the punching press simultaneously of the second internal tooth lock washer, the ram efficiency of the first internal tooth lock washer and the second internal tooth lock washer can effectively be improved, improve the processing efficiency of internal tooth lock washer.This programme can carry out punching press simultaneously to the first internal tooth lock washer and the second internal tooth lock washer, accelerate the ram efficiency of the first internal tooth lock washer and the second internal tooth lock washer.
Description
Technical field
The invention belongs to spare parts processing machinery fields, and in particular to a method of being used for internal tooth lock washer punching press.
Background technology
Internal tooth lock washer is a kind of stamping parts, is may be used between nut and bolt, can effectively prevent spring with
Bolt is relaxed, while internal tooth lock washer is more small than common spring washer, and fastener uniform force prevents loosening also reliable；
Internal tooth lock washer is also a kind of easy locking baffle ring simultaneously, be can be used on axis, the tooth on washer medial surface has only at this time
Move back function.
There are many specifications for internal tooth lock washer, as outer diameter is 6mm, internal diameter 3.2mm, the number of teeth are that first internal tooth is locked in 6
Tight washer and the second internal tooth lock washer that outer diameter is 30mm, internal diameter 19mm, the number of teeth are 12, are locked selecting with the first internal tooth
After first pressing part of the first adaptable staking punch of washer specification and first the first internal tooth lock washer of mandril punching press, processing
When the second internal tooth lock washer, needs to select and the second internal tooth lock washer specification is adapted to the second staking punch and the second mandril
Punching press is carried out to the second pressing part of the second internal tooth lock washer, the process of the staking punch of replacement is complicated；Existing punching press simultaneously
Internal tooth lock washer is usually carried out single punching press by device when carrying out punching press to internal tooth lock washer, the efficiency of punching press compared with
It is low.
Invention content
The invention is intended to provide a kind of method for internal tooth lock washer punching press, with to the first internal tooth lock washer and
Two internal tooth lock washers carry out punching press simultaneously, accelerate the ram efficiency of the first internal tooth lock washer and the second internal tooth lock washer.
In order to achieve the above object, base case of the invention is as follows：A method of it being used for internal tooth lock washer punching press,
Include the following steps：
Step 1：Prepare a kind of decompressor, including board, stamping cylinder and the slide bar being vertically arranged, under the slide bar
End is fixedly connected with board, and the stamping cylinder vertical sliding is mounted on slide bar, which is characterized in that and further include punching mechanism,
The punching mechanism includes fixed plate, the first staking punch and the second hollow staking punch, second staking punch and the first punching press
The upper end of head is fixedly connected with the lower surface of fixed plate, and the first staking punch and the second staking punch are coaxially disposed, the punching press
The lower surface of cylinder is equipped with the mounting groove of mounting plate；The board is put equipped with place the first internal tooth lock washer first
It sets slot and places the second placing groove of the second internal tooth lock washer, first placing groove is opposite with the first staking punch, and second puts
Set that slot is opposite with the second staking punch, the bottom surface of first placing groove is equipped with the first groove, and the bottom surface of the second placing groove is equipped with the
Two grooves, the first groove is interior to be equipped with the first vertical mandril, and the second mandril vertically, first mandril are equipped in the second groove
Upper end contacted with the lower surface of the first pressing part, the upper end of the second mandril is contacted with the lower surface of the second pressing part；Described
When one staking punch the first internal tooth lock washer of punching press, second the second internal tooth lock washer of staking punch punching press；The mounting groove it is upper
Surface is equipped with the first arc groove and the second arc groove, and the arc length on first arc groove and the same circumference of the second arc groove is not
Together, the upper surface of the fixed plate be equipped with the first arc-shaped limit block for coordinating with the first arc groove transition and with the second arc groove mistake
Cross the second arc-shaped limit block of cooperation；The board upper surface is equipped with pickup slot, is all provided in the first placing groove and the second placing groove
There is the pickup slot of indent, the pickup slot of pickup slot, the first placing groove on the board connects with the pickup slot of the second placing groove
It is logical, be equipped with the pickup band of hardness in the pickup slot, the pickup band not with the first mandril and the second ejector pin contact；
Step 2：The first arc-shaped limit block in fixed plate in step 1 is opposite with the first arc groove in mounting groove,
Second arc-shaped limit block is opposite with the second arc groove in mounting groove, and the first arc-shaped limit block is then embedded into the first arc groove
In, the second arc-shaped limit block is embedded into the second arc groove, and the first staking punch is aligned with the first mandril at this time, the second staking punch with
The alignment of second mandril；
Step 3：Pickup band is placed into pickup slot, the both ends of pickup band is made to be detachably connected with board upper surface；
Step 4：First internal tooth lock washer to be punched is placed in the first placing groove, while will be in be punched second
Tooth lock washer is placed in the second placing groove, and lower surface and the first mandril of the first pressing part of the first internal tooth lock washer are made
Upper surface contacts, and the lower surface of the second pressing part of the second internal tooth lock washer is contacted with the upper surface of the second mandril；
Step 5：Start stamping cylinder, stamping cylinder drives the first staking punch and the second staking punch to move down, the first punching
The first internal tooth lock washer of pressure head pair carries out punching press, while second the second internal tooth lock washer of staking punch pair carries out punching press；
Step 6：After the completion of punching press, stamping cylinder drives the first staking punch and the second staking punch to move up；Then pickup is dismantled
The both ends of band are lifted up pickup band, and then the first internal tooth lock washer and the second internal tooth lock washer is made to be lifted up, then
Remove the first internal tooth lock washer and the second internal tooth lock washer that pickup takes.
The principle and its advantage of base case：1, in step 1, a kind of decompressor has been used, by the decompressor
One staking punch and the second staking punch are coaxially disposed, using the power of stamping cylinder simultaneously in the first internal tooth lock washer and second
Tooth lock washer carries out punching press, and when punching press, the first staking punch and the second staking punch will not interfere with each other, and can greatly improve
The ram efficiency of first internal tooth lock washer and the second internal tooth lock washer；2, in step 2, due to the first arc groove, the second arc
The setting of shape slot, the first arc-shaped limit block and the second arc-shaped limit block, fixed plate be installed to the installation position in mounting groove be equipped with and
It is only a kind of, it can be further ensured that the rapid alignment of the first staking punch and the first mandril and the second staking punch and the second mandril, energy
Accelerate the installation of the first staking punch and the second staking punch；3, in step 3, pickup band is preset, facilitating will in subsequent step
First internal tooth lock washer and the second internal tooth lock washer take out；4, in step 4, the first washer is placed into the first placing groove
Interior, second packing ring is placed into the second placing groove, at the same allow the first internal tooth lock washer the first pressing part lower surface and the
The upper surface of one mandril contacts, and the lower surface and the upper surface of the second mandril of the second pressing part of the second internal tooth lock washer connect
It touches, accurate punching press, the second staking punch and the second mandril energy can be carried out to the first pressing part convenient for the first staking punch and the first mandril
Accurate punching press is carried out to the second pressing part；5, step 5, be the first staking punch and second the first internal tooth lock washer of staking punch pair and
Punching course while second internal tooth lock washer；6, in step 6, first can be taken out by the pickup band promoted in pickup slot and put
Set the second internal tooth lock washer in the first internal tooth lock washer and the second placing groove in slot, the process fast and easy of taking-up.
In conclusion having used a kind of decompressor in this process for stamping, which when in use, can be to first
Internal tooth lock washer and the second internal tooth lock washer carry out individual punching press, also can be to the first internal tooth lock washer and the second internal tooth
Lock washer carries out punching press simultaneously, can be effective when by the first internal tooth lock washer and the punching press simultaneously of the second internal tooth lock washer
Raising the first internal tooth lock washer and the second internal tooth lock washer ram efficiency, improve internal tooth lock washer processing effect
Rate.
Preferred embodiment one：As the preferred embodiment of basic scheme, in step 3, the width of the width and pickup slot of pickup band
Unanimously, it is 1cm；And the consistency of thickness of the thickness of pickup band and pickup slot.By above-mentioned setting, pickup band can be completely embedded into
It into pickup slot, is avoided that pickup band moves in pickup slot, can also prevent the first internal tooth lock washer of pickup band pair and second
The punching press of internal tooth lock washer interferes.
Preferred embodiment two：Preferably one preferred embodiment, in step 4, when the second internal tooth lock pad to be punched
After circle is placed into the second placing groove, the vertical distance of the first internal tooth lock washer and the second internal tooth lock washer is more than 3cm.Pass through
Above-mentioned setting, at this time the vertical distance of the first placing groove and the second placing groove be more than 3cm, facilitate the first internal tooth lock washer and
Second internal tooth lock washer is placed on different horizontal planes, convenient for the first internal tooth lock washer and the second internal tooth lock washer
Position be adjusted.
Description of the drawings
Fig. 1 is the structural schematic diagram of decompressor in the present invention；
Fig. 2 is the first internal tooth lock washer and the second internal tooth lock washer vertical view in Fig. 1；
Fig. 3 is the upward view of mounting groove in Fig. 1；
Fig. 4 is the sectional view of compressing unit in Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Board 10, the first placing groove 101, the first groove 102, second are placed
Slot 103, the second groove 104, move down bar 105, the first sliding groove 115, the first compression bar 106, second sliding slot 116, the second compression bar 107,
Third sliding slot 117, tension spring 108, stamping cylinder 20, the first arc groove 201, the second arc groove 202, mounting groove 203, slide bar 30,
Fixed plate 40, the first arc-shaped limit block 401, the second arc-shaped limit block 402, the first staking punch 50, the punching of the first mandril 501, second
Pressure head 60, the second mandril 601, the first internal tooth lock washer 70, the first pressing part 701, the punching of the second internal tooth lock washer 80, second
Splenium 801, pickup band 90.
Decompressor in embodiment is basic as shown in attached drawing 1, attached drawing 2 and attached drawing 3：Embodiment is substantially such as attached drawing 1, attached drawing
2 and attached drawing 3 shown in：Internal tooth lock washer decompressor, including board 10, stamping cylinder 20, the slide bar 30 being vertically arranged, punching
Press mechanism and several compressing units, lower end and the board 10 of slide bar 30 weld, and 20 vertical sliding of stamping cylinder is mounted on slide bar 30
On.
Punching mechanism includes fixed plate 40, the first arc-shaped limit block 401, the second arc-shaped limit block 402, the first staking punch 50
With the second hollow staking punch 60, the upper end of the second staking punch 60 and the first staking punch 50 is welded with the lower surface of fixed plate 40
It connects, and the first staking punch 50 and the second staking punch 60 are coaxially disposed, the lower surface of stamping cylinder 20 is equipped with mounting plate 40
Mounting groove 203；The upper surface of mounting groove 203 is equipped with the first arc groove 201 and the second arc groove 202, the first arc groove 201
It is different from the arc length on 202 same circumference of the second arc groove；First arc-shaped limit block 401 and the second arc-shaped limit block 402 weld
It is connected on the upper surface of fixed plate 40, and the first arc-shaped limit block 401 and 201 transition of the first arc groove coordinate, the second arc limit
Position block 402 and 202 transition of the second arc groove coordinate, when an arc-shaped limit block is embedded into the first arc groove 201 and the second arc limit
When position block 402 is embedded into the second arc groove 202, the first staking punch 50 is aligned with the first mandril 501, the second staking punch 60
It is aligned with the second mandril 601, realizes rapid alignment.
Board 10 is equipped with the first placing groove 101 for placing the first internal tooth lock washer 70 and places the second internal tooth lock pad
Second placing groove 103 of circle 80, the first placing groove 101 and the first staking punch 50 are opposite, the second placing groove 103 and the second punching press
First 60 is opposite, and the bottom surface of the first placing groove 101 is equipped with the first groove 102, and the bottom surface of the second placing groove 103 is equipped with the second groove
104, the first vertical mandril 501 is equipped in the first groove 102, and the second vertical mandril 601 is equipped in the second groove 104, the
The upper end of one mandril 501 is contacted with the lower surface of the first pressing part 701, the upper end of the second mandril 601 and the second pressing part 801
Lower surface contacts；When 50 the first internal tooth lock washer 70 of punching press of the first staking punch, the locking of 60 the second internal tooth of punching press of the second staking punch
Washer 80.
The inner wall of first placing groove 101 and the second placing groove 103 is equipped with the pickup slot of indent, and 10 upper surface of board is also set
There is the pickup slot of indent, and all pickup slots are connected to, be equipped with the pickup band 90 of hardness in pickup slot, pickup band 90 is not with first
Mandril 501 and the contact of the second mandril 601.The first internal tooth lock washer when promoting entire pickup band 90 in first placing groove 101
70 are elevated, and facilitate and take out the first internal tooth lock washer 70 and the second internal tooth lock washer 80, improve the convenience of pickup；Together
When pickup band 90 do not contacted with the first mandril 501 and the second mandril 601, be avoided that in punching course, pickup band 90 makes punching press
At interference.
As shown in Fig. 4, compressing unit includes moving down bar 105, capable of being contacted with 70 upper surface of the first internal tooth lock washer
First compression bar 106 and the second compression bar 107 that can be contacted with 80 upper surface of the second internal tooth lock washer, move down the upper end of bar 105 with
The lower surface of stamping cylinder 20 is welded, and the first sliding groove 115 being vertically arranged and horizontally disposed second sliding slot are equipped in board 10
116 with third sliding slot 117, move down bar 105 and the first sliding groove 115 and be located on same vertical axis, second sliding slot 116 and third
The left end of sliding slot 117 is connected to the first sliding groove 115, and the right end of second sliding slot 116 is connected to the first placing groove 101, and third is slided
The right end of slot 117 is connected to the second placing groove, and the first compression bar 106 is slidably mounted in second sliding slot 116, and the second compression bar 107 is slided
Dynamic to be mounted in third sliding slot 117, the left end of the first compression bar 106 and the second compression bar 107 is equipped with wedge surface upward, and the first pressure
Be welded with tension spring 108 on the left end end face of 107 slot of bar 106 and the second compression bar, the left end of tension spring 108 with the first sliding groove 115
Inner wall welding.
The present embodiment includes the following steps when implementing：
Step 1：Prepare the decompressor in embodiment；
Step 2：By the first arc-shaped limit block 401 in the fixed plate 40 in step 1 and the first arc in mounting groove 203
Slot 201 is opposite, and the second arc-shaped limit block 402 is opposite with the second arc groove 202 in mounting groove 203, then limits the first arc
Position block 401 is embedded into the first arc groove 201, in the second arc-shaped limit block 402 and the second arc groove 202, the first punching press at this time
First 50 are aligned with the first mandril 501, the alignment of the second staking punch 60 and the second mandril 601；Then use spacer pin by fixed plate
40 and stamping cylinder 20 be fixed；
Step 3：In decompressor in step 1, the equivalent width of the width and pickup slot of pickup band 90, is 1cm；
And the consistency of thickness of the thickness of pickup band 90 and pickup slot；Then pickup band 90 is placed into pickup slot, makes pickup band 90
Both ends are detachably connected with 10 upper surface of board；
Step 4：First internal tooth lock washer 70 to be punched is placed in the first placing groove 101, while will be to be punched
Second internal tooth lock washer 80 is placed in the second placing groove 103, at this time 70 upper surface of the first internal tooth lock washer and the second internal tooth
The vertical distance of 80 upper surface of lock washer is 4cm, and the first internal tooth lock washer 70 is located at the second internal tooth lock washer 80
Downside makes the lower surface of the first pressing part 701 of the first internal tooth lock washer 70 be contacted with the upper surface of the first mandril 501, the
The lower surface of second pressing part 801 of two internal tooth lock washers 80 is contacted with the upper surface of the second mandril 601；
Step 5：Start stamping cylinder 20, stamping cylinder 20 drives the first staking punch 50 and the second staking punch 60 to moving down
Dynamic, the first staking punch 50 carries out punching press to the first internal tooth lock washer 70, while the second staking punch 60 is to the second internal tooth lock pad
Circle 80 carries out punching press；During stamping cylinder 20 moves down, drive moves down bar 105 and moves down, and moves down bar 105 and enters the first cunning
It in slot 115, when moving down bar 105 and being moved at the second compression bar 107, moves down bar 105 and is contacted with the wedge surface of the second compression bar 107, draw
Spring 108 is stretched, while the second compression bar 107 being slided to close to the direction of the second internal tooth lock washer 80, the second compression bar 107
It offsets with the upper surface of the second internal tooth lock washer 80, when moving down bar 105 and being moved at the first compression bar 106, moves down bar 105
It is contacted with the wedge surface of the first compression bar 106, tension spring 108 is stretched, while by the first compression bar 106 to close to the first internal tooth lock washer
70 direction sliding, the upper surface of the first compression bar 106 and the first internal tooth lock washer 70 offsets, and then can be in punching course the
One internal tooth lock washer 70 and the second internal tooth lock washer 80 are limited, while can prevent the first internal tooth lock washer 70 and
The circumference of two internal tooth lock washers 80 deforms upon；
Step 6：After the completion of punching press, stamping cylinder 20 drives the first staking punch 50 and the second staking punch 60 to move up；Then it tears open
The both ends for unloading pickup band 90 are lifted up pickup band 90, and then make the first internal tooth lock washer 70 and the second internal tooth lock washer
80 are lifted up, and then remove the first internal tooth lock washer 70 and the second internal tooth lock washer 80 on pickup band 90.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (3)
1. a kind of method for internal tooth lock washer punching press, which is characterized in that include the following steps：
Step 1：Prepare a kind of decompressor, including board, stamping cylinder and the slide bar being vertically arranged, the lower end of the slide bar with
Board is fixedly connected, and the stamping cylinder vertical sliding is mounted on slide bar, which is characterized in that and further include punching mechanism, it is described
Punching mechanism includes fixed plate, the first staking punch and the second hollow staking punch, second staking punch and the first staking punch
Upper end is fixedly connected with the lower surface of fixed plate, and the first staking punch and the second staking punch are coaxially disposed, the stamping cylinder
Lower surface be equipped with mounting plate mounting groove；The board is equipped with the first placing groove for placing the first internal tooth lock washer
With the second placing groove for placing the second internal tooth lock washer, first placing groove is opposite with the first staking punch, the second placing groove
Opposite with the second staking punch, the bottom surface of first placing groove is equipped with the first groove, and the bottom surface of the second placing groove is recessed equipped with second
Slot is equipped with the first vertical mandril in the first groove, is equipped with the second vertical mandril in the second groove, first mandril it is upper
End is contacted with the lower surface of the first pressing part, and the upper end of the second mandril is contacted with the lower surface of the second pressing part；First punching
When the first internal tooth lock washer of ram coin, second the second internal tooth lock washer of staking punch punching press；The upper surface of the mounting groove
It is equipped with the first arc groove and the second arc groove, first arc groove is different from the arc length on the same circumference of the second arc groove,
The upper surface of the fixed plate be equipped with the first arc-shaped limit block for coordinating with the first arc groove transition and with the second arc groove transition
Second arc-shaped limit block of cooperation；The board upper surface is equipped with pickup slot, is equipped in the first placing groove and the second placing groove
The pickup slot of indent, pickup slot, the pickup slot of the first placing groove on the board are connected to the pickup slot of the second placing groove,
Be equipped with the pickup band of hardness in the pickup slot, the pickup band not with the first mandril and the second ejector pin contact；
Step 2：The first arc-shaped limit block in fixed plate in step 1 is opposite with the first arc groove in mounting groove, second
Arc-shaped limit block is opposite with the second arc groove in mounting groove, and then the first arc-shaped limit block is embedded into the first arc groove,
Second arc-shaped limit block is embedded into the second arc groove, and the first staking punch is aligned with the first mandril at this time, the second staking punch and
The alignment of two mandrils；
Step 3：Pickup band is placed into pickup slot, the both ends of pickup band is made to be detachably connected with board upper surface；
Step 4：First internal tooth lock washer to be punched is placed in the first placing groove, while the second internal tooth to be punched being locked
Tight washer is placed in the second placing groove, and the upper table of the lower surface and the first mandril of the first pressing part of the first internal tooth lock washer is made
Face contacts, and the lower surface of the second pressing part of the second internal tooth lock washer is contacted with the upper surface of the second mandril；
Step 5：Start stamping cylinder, stamping cylinder drives the first staking punch and the second staking punch to move down, the first staking punch
Punching press is carried out to the first internal tooth lock washer, while second the second internal tooth lock washer of staking punch pair carries out punching press；
Step 6：After the completion of punching press, stamping cylinder drives the first staking punch and the second staking punch to move up；Then pickup band is dismantled
Both ends are lifted up pickup band, and then the first internal tooth lock washer and the second internal tooth lock washer is made to be lifted up, and then remove
The first internal tooth lock washer and the second internal tooth lock washer that pickup takes.
2. a kind of method for internal tooth lock washer punching press according to claim 1, which is characterized in that in step 3, take
The equivalent width of the width and pickup slot of part band, is 1cm；And the consistency of thickness of the thickness of pickup band and pickup slot.
3. a kind of method for internal tooth lock washer punching press according to claim 2, which is characterized in that in step 4, when
After second internal tooth lock washer to be punched is placed into the second placing groove, the first internal tooth lock washer and the second internal tooth lock washer
Vertical distance be more than 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711843.6A CN107413912B (en) | 2017-08-18 | 2017-08-18 | A method of being used for internal tooth lock washer punching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711843.6A CN107413912B (en) | 2017-08-18 | 2017-08-18 | A method of being used for internal tooth lock washer punching press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107413912A CN107413912A (en) | 2017-12-01 |
| CN107413912B true CN107413912B (en) | 2018-10-26 |
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| CN201710711843.6A Active CN107413912B (en) | 2017-08-18 | 2017-08-18 | A method of being used for internal tooth lock washer punching press |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724342B (en) * | 2018-06-19 | 2020-05-22 | 中航飞机起落架有限责任公司 | Composite die structure |
| CN110315291A (en) * | 2019-07-04 | 2019-10-11 | 成都飞机工业（集团）有限责任公司 | A kind of processing method and shaping jig of internal tooth washer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE532183C2 (en) * | 2007-09-28 | 2009-11-10 | Nord Lock Ab | Method and apparatus for manufacturing washers for locking |
| CN102974689B (en) * | 2012-07-23 | 2015-07-29 | 贵州航天精工制造有限公司 | The processing technology of external teeth serrated lock washer and frock |
| CN202667396U (en) * | 2012-07-23 | 2013-01-16 | 贵州航天精工制造有限公司 | Inner gear lock washer die |
| CN204093916U (en) * | 2014-07-22 | 2015-01-14 | 滁州市成业机械制造有限公司 | A kind of two plunger chip die |
| CN205110481U (en) * | 2015-09-07 | 2016-03-30 | 扬州聚汇光电机械有限公司 | Double -deck hydraulic press |
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2017
- 2017-08-18 CN CN201710711843.6A patent/CN107413912B/en active Active
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| Publication number | Publication date |
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| CN107413912A (en) | 2017-12-01 |
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