CN106955925A - A kind of turn-cutting die - Google Patents
A kind of turn-cutting die Download PDFInfo
- Publication number
- CN106955925A CN106955925A CN201611170522.1A CN201611170522A CN106955925A CN 106955925 A CN106955925 A CN 106955925A CN 201611170522 A CN201611170522 A CN 201611170522A CN 106955925 A CN106955925 A CN 106955925A
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- Prior art keywords
- pin
- punch
- guide rail
- block
- rotary
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to a kind of turn-cutting die.It includes upper die and lower die, lower mould includes rotary-cut punch-pin, rotary-cut punch-pin includes guide pad, horizontal peeling knife, and horizontal rotary-cut sliding block, lower template is respectively arranged with drive block before punch-pin in the position of the four direction all around of rotary-cut punch-pin, punch-pin rear-guard motion block, the left drive block of punch-pin and the right drive block of punch-pin, and drive block before punch-pin, punch-pin rear-guard motion block, lateral surface of the medial surface of the left drive block of punch-pin and the right drive block of punch-pin respectively with horizontal rotary-cut sliding block is mutually oriented to cooperation, the present invention is oriented to rotary-cut punch-pin using the guide rail of the punch-pin drive block of rotary-cut punch-pin surrounding, so that the downward ramming motion of lower template is converted into the horizontal shear motion of the horizontal peeling knife of rotary-cut punch-pin, and then dislocation rotary-cut is produced to the side wall of preprocessing workpiece on horizontal four direction, the section of the cylindrical workpiece cut out using the turn-cutting die of the present invention is smooth, it ensure that product quality, improve the production efficiency of product.
Description
Technical field
The present invention relates to cold punching die technical field, more particularly to a kind of turn-cutting die.
Background technology
Turn-cutting die is the edge-neatening craftwork for pipe part.For metal tubing drawn products, often it is related to
Preprocessing stamping is set to rotate vertically to deburring, during traditional edge-neatening craftwork.The tight-lipped patch stamping inwall of edge iron, which is slided, to be sheared.
In this edge-neatening craftwork, the edge of a knife contacts no transition with stamping inwall, and blade is big to stamping inwall impulsive force, causes the product of manufacture
Inwall section produces circular arc chamfering.Now, generally require to carry out the secondary operation such as polish to section, so that its end face is flat
It is whole, meet Product processing requirement.It can be seen that, the edge-neatening craftwork of transmission reduces the production efficiency of product, and for required precision
Higher product, often up to less than requiring.And during mould punching molding product, die cutting accuracy is not good enough, and it is not easy to debugging, influence
Production efficiency.
The content of the invention
It is an object of the invention to overcome the shortcomings of that above-mentioned prior art is present, and there is provided a kind of production efficiency it is high,
The turn-cutting die that die cutting accuracy is high, cutting workpiece face is smooth, the present invention not only substantially reduces the manufacturing procedure of metal cover, reduces
Its production cost, also improves the crudy and processing efficiency of integral product.
The object of the present invention is achieved like this：
A kind of turn-cutting die, including upper die and lower die, the upper mould include from top to bottom be sequentially connected upper bolster, train wheel bridge, on
Template and stripper plate, the cope plate are provided with fovea superior model cavity, and the stripper plate is up and down to be arranged on fovea superior model cavity
Interior, lower mould includes rotary-cut punch-pin, lower template, lower bolster, bottom plate and the die shoe being from top to bottom sequentially connected, the rotary-cut
Punch-pin, which is slided up and down, to be arranged in lower template, and the rotary-cut punch-pin is corresponding with the position of fovea superior model cavity, the fovea superior model cavity
Positioned at the surface of rotary-cut punch-pin, it is characterised in that the rotary-cut punch-pin includes guide pad, the level being from top to bottom sequentially connected
Peeling knife and horizontal rotary-cut sliding block, the lower template are set respectively in the position of the four direction all around of rotary-cut punch-pin
There are drive block before punch-pin, punch-pin rear-guard motion block, the left drive block of punch-pin and the right drive block of punch-pin, and before punch-pin after drive block, punch-pin
The medial surface of the left drive block of drive block, punch-pin and the right drive block of punch-pin lateral surface phase mutual conductance corresponding with horizontal rotary-cut sliding block respectively
To cooperation, the position of the four direction all around of the horizontal peeling knife is provided with de- material block, and the de- material block, which is slided up and down, to be set
It is placed on horizontal rotary-cut sliding block.
The present invention can also be improved further below.
The shape of the fovea superior model cavity and guide pad, size are adapted.
Cope plate is arranged on the bottom of train wheel bridge, and the train wheel bridge is arranged on upper bolster bottom.
The die shoe is arranged on bottom plate, and the lower bolster is arranged on die shoe, and lower template is arranged on lower bolster
On.
The guide pad is arranged on the top of horizontal peeling knife, and the horizontal peeling knife is detachably arranged at horizontal rotary-cut and slided
At the top of block, the shape of the guide pad and horizontal peeling knife, size are adapted.
The horizontal rotary-cut sliding block is provided with limited block in the outside of each piece of de- material block.
The medial surface of drive block is provided with forerunner's guide rail before the punch-pin, and the medial surface of the punch-pin rear-guard motion block is provided with
Rear-guard guide rail, forerunner's guide rail and rear-guard guide rail are oppositely arranged, and are shifted to install above and below forerunner's guide rail and rear-guard guide rail, the left driving of punch-pin
The medial surface of block is provided with left drive guide rail, and the medial surface of the right drive block of punch-pin is provided with right drive guide rail, and left drive guide rail and right drive are led
Rail is oppositely arranged, and is shifted to install above and below left drive guide rail and right drive guide rail.
The horizontal rotary-cut sliding block lateral surface is provided with least two slide block guide rails, forerunner's guide rail, rear-guard guide rail, a left side
Drive guide rail and the right slide block guide rail for driving guide rail respectively on lateral surface corresponding with horizontal rotary-cut sliding block is oriented to and coordinated, so that level
Rotary-cut sliding block is slided to the front side of guide pad, rear side, left side, right side.
The first spring is provided between the upper bolster and stripper plate, provided with the between the de- material block and horizontal rotary-cut sliding block
Two springs, de- the material block and limited block are located on horizontal rotary-cut sliding block, are provided between the die shoe and horizontal rotary-cut sliding block
3rd spring.
The horizontal peeling knife is in rectangular-shape, and the length of horizontal peeling knife in the horizontal plane exists less than or equal to guide pad
Length on horizontal plane, the width of horizontal peeling knife in the horizontal plane is less than or equal to the width of guide pad in the horizontal plane.
Drive block before the punch-pin, punch-pin rear-guard motion block, on the medial surface of the left drive block of punch-pin and the right drive block of punch-pin point
She You not at least two forerunner's guide rails, rear-guard guide rail, left drive guide rail, right drive guide rails.
The right drive guide rail, rear-guard guide rail, left drive guide rail and forerunner's guide rail are trapezoidal teeth grooves.
The right drive guide rail, rear-guard guide rail, left drive guide rail, forerunner's guide rail are arranged in downwards each self-corresponding convex successively
On mould drive block.Also it is offset from each other between the rear-guard guide rail and left drive guide rail.
Beneficial effects of the present invention are as follows：
The present invention utilizes the guide rail on rotary-cut punch-pin and the punch-pin drive block of rotary-cut punch-pin surrounding, punch-pin drive block to be oriented to rotary-cut
Punch-pin, so that the downward ramming motion of lower template is converted into the horizontal shear motion of the horizontal peeling knife of rotary-cut punch-pin, water
Flat peeling knife moves a trip successively in horizontal four direction, and then to preprocessing workpiece on horizontal four direction（Tubular
Or lid workpiece）Side wall produce dislocation rotary-cut, the contact gradually transition of rotary-cut punch-pin of the invention with workpiece inner wall is reduced
Impulsive force of the horizontal peeling knife to workpiece inner wall, it is to avoid the deformation of workpiece inner wall.Cut out using the turn-cutting die of the present invention
Cylindrical workpiece section it is smooth, no circular arc chamfering is produced, it is ensured that product quality, without secondary polishing processing, is improved
The production efficiency of product.
Therefore, compared to existing turn-cutting die, production efficiency height of the present invention, die cutting accuracy height, the cutting workpiece face produced are put down
Whole, the present invention not only substantially reduces the manufacturing procedure of metal cover, reduces its production cost, also improves adding for integral product
Working medium amount and processing efficiency.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention one（Upper and lower mould is in released state）Structural representation.
Fig. 2 is that the upper and lower mould of the present invention is in the structural representation for compressing blank state.
Fig. 3 is Fig. 1 top view.
Fig. 4 is Fig. 2 side view.
Fig. 5 is the mplifying structure schematic diagram at F in Fig. 2.
Fig. 6 is the mplifying structure schematic diagram at G in Fig. 4.
Fig. 7 is the horizontal rotary-cut sliding block E and drive block D, punch-pin rear-guard motion block C, the left drive block A of punch-pin before punch-pin of the present invention
The structural representation coordinated with the right drive block B of punch-pin.
Fig. 8 is that the horizontal rotary-cut sliding block of the invention horizontal peeling knife of drive on horizontal four direction moves horizontally blank original
Reason figure.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment one, as shown in Figures 1 to 8, a kind of turn-cutting die, including upper mould 1 and lower mould 2, the upper mould 1 is including by upper
Upper bolster 11, train wheel bridge 12, cope plate 13 and the stripper plate 14 being sequentially connected under, the cope plate 13 are provided with fovea superior
Model cavity 130, the stripper plate 14 is up and down to be arranged in fovea superior model cavity 130, and lower mould 2 includes from top to bottom being sequentially connected
Rotary-cut punch-pin 23, lower template 24, lower bolster 29, bottom plate 22 and die shoe 21, the rotary-cut punch-pin 23, which is slided up and down, to be set
Put in lower template 24, the rotary-cut punch-pin 23 is corresponding with the position of fovea superior model cavity 130, the fovea superior model cavity 130 is located at
The surface of rotary-cut punch-pin 23, it is characterised in that the rotary-cut punch-pin 23 include from top to bottom be sequentially connected guide pad 231,
Horizontal peeling knife 232 and horizontal rotary-cut sliding block E, all around four direction of the lower template 24 in rotary-cut punch-pin 23
Position is respectively arranged with drive block D before punch-pin, punch-pin rear-guard motion block C, the left drive block A of punch-pin and the right drive block B of punch-pin, and punch-pin
Preceding drive block D, punch-pin rear-guard motion block C, the left drive block A of punch-pin and the right drive block B of punch-pin medial surface are slided with horizontal rotary-cut respectively
The corresponding lateral surfaces of block E are mutually oriented to cooperation, and the position of the four direction all around of the horizontal peeling knife 232 is provided with de- material
Block 25, the de- material block 25, which is slided up and down, to be arranged on horizontal rotary-cut sliding block E.
It is used as the present invention more specifically technical scheme.
Cope plate 13 is arranged on the bottom of train wheel bridge 12, and the train wheel bridge 12 is arranged on the bottom of upper bolster 11.
The shape of the fovea superior model cavity 130 and guide pad 231, size are adapted.
The die shoe 21 is arranged on bottom plate 22, and the lower bolster 29 is arranged on die shoe 21, and lower template 24 is set
Put on lower bolster 29.
The horizontal rotary-cut sliding block is provided with limited block 262 in the outside of each piece of de- material block.
The guide pad 231 is arranged on the top of horizontal peeling knife 232, and the horizontal peeling knife 232 is detachably arranged at
At the top of horizontal rotary-cut sliding block E, the shape of the guide pad 231 and horizontal peeling knife 232, size are adapted.
Drive block D medial surface is provided with forerunner's guide rail 235, the medial surface of the punch-pin rear-guard motion block C before the punch-pin
Rear-guard guide rail 236 is provided with, forerunner's guide rail 235 and rear-guard guide rail 236 are oppositely arranged, on forerunner's guide rail 235 and rear-guard guide rail 236
Under shift to install, the left drive block A of punch-pin medial surface is provided with provided with left drive guide rail 233, the right drive block B of punch-pin medial surface
Right drive guide rail 234, left drive guide rail 233 and right drive guide rail 234 are oppositely arranged, and left drive guide rail 233 and right drive guide rail misplace about 234
Set.
The horizontal rotary-cut sliding block E is in rectangular-shape, and four lateral surfaces of the horizontal rotary-cut sliding block E are provided with least two
Bar slide block guide rail, the slide block guide rail 237 of four lateral surfaces of the horizontal rotary-cut sliding block E is led with forerunner's guide rail 235, rear-guard respectively
Rail 236, left drive guide rail 233 and right drive guide rail 234 are oriented to and coordinated, so that horizontal rotary-cut sliding block is to the front side of guide pad, rear side, a left side
Side, right side are slided.
The first spring 15, the de- material block 25 and horizontal rotary-cut sliding block E are provided between the upper bolster 11 and stripper plate 14
Between be provided with second spring 27, de- the material block 25 and limited block 26 be located at horizontal rotary-cut sliding block E on, the die shoe 21 and water
The 3rd spring 28 is provided between flat rotary-cut sliding block E.
The horizontal peeling knife 232 is in rectangular-shape, and the length of horizontal peeling knife 232 in the horizontal plane, which is less than or equal to, to be led
To the length of block 231 in the horizontal plane, the width of horizontal peeling knife 232 in the horizontal plane is less than or equal to guide pad 231 in water
Width in plane.
Drive block D before the punch-pin, punch-pin rear-guard motion block C, the left drive block A of punch-pin and the right drive block B of punch-pin medial surface
On be respectively equipped with least two forerunner's guide rails 235, rear-guard guide rail 236, it is left drive guide rail 233, it is right drive guide rail 234.
The right drive guide rail 234, rear-guard guide rail 236, left drive guide rail 233 and forerunner's guide rail 235 are trapezoidal teeth grooves.
It is described it is right drive guide rail 234, rear-guard guide rail 236, it is left drive guide rail 233, downward spread configuration is each successively for forerunner's guide rail 235
On self-corresponding punch-pin drive block.
The present invention operation principle be：
Metal cover product to be processed is arranged on guide pad 231 by workman by manipulator, and metal cover, which falls, to be covered in guide pad 231
On, metal cover it is opening down, bottom is upper, and when upper bolster 11 is moved downward, the fovea superior model cavity 130 of cope plate 13 is downward
Mobile, the stripper plate 14 in fovea superior model cavity 130 first touches the bottom of metal cover and promotes metal cover to move down, with gold
The side wall of category lid is moved gradually downward along guide pad 231, and now metal cover and guide pad are due to entering fovea superior model cavity 130
It is interior, therefore metal cover can not move with guide pad on the four direction all around of horizontal plane, metal cover can only with guide pad
Vertically move up and down.As guide pad 231 is gradually pressed into metal cover, the sidewall upper of metal cover is against de- material block 25
On, because the elastic force of second spring 27 is less than the first spring 15, stripper plate 14 is in the presence of the first spring 15, and stripper plate 14 is promoted
Metal cover and de- material block 25 are moved down（Gap is now still suffered between stripper plate 14 and fovea superior model cavity 130, metal cover is not yet
It is compacted）, the bottom of metal cover fits with the top surface of guide pad 231, and the bottom of guide pad 231 is protruded in the upper end of metal cover side wall
And positioned at the outside for moving horizontally blank block（The length of the side wall of metal cover is more than the length of the side wall of guide pad 231）, the second bullet
Spring 27 is compressed and deformed by de- material block 25, and then cope plate 13 continues to move down, and the bottom of cope plate 13 is against de- material block 25
Go up and promote de- material block 25 to continue to move down, the gap between fovea superior model cavity 130 and stripper plate 14 is tapered into, until upper
The inner bottom wall of concave die cavity 130 is close to stripper plate 14, and because the elastic force of the first spring 15 is less than the 3rd spring 28, the 3rd spring 28
So that metal cover is pressed in fovea superior model cavity 130, now metal cover is compacted completely, stripper plate 14 and fovea superior model
Gap is not present between chamber 130.
At the same time, stripper plate 14 first drives rotary-cut punch-pin 23 to move down, while the horizontal rotary-cut of rotary-cut punch-pin 23 is slided
The work of driving guide rails of the block E before the right drive block B of punch-pin, punch-pin rear-guard motion block C, the left drive block A of punch-pin and punch-pin on drive block D
Under, successively to the right, backward, to the left, forward horizontal movement.Specifically as shown in figure 8, the sliding block on the right side of horizontal rotary-cut sliding block E is slided
The level first of rail 237 is slipped into the right in the right drive guide rail 234 with the right drive block B of punch-pin, and horizontal peeling knife is sliding to its right side first
The partial right side wall of metal cover is moved and cuts off, as rotary-cut punch-pin 23 is moved down, the sliding block slide rail on the outside of horizontal rotary-cut sliding block E
237 successively backward, to the left, forward horizontal slide into rear-guard guide rail 236, left drive guide rail 233, in forerunner's guide rail 235 so that
Horizontal rotary-cut sliding block E successively to the right, backward, to the left, forward horizontal movement so that drive horizontal peeling knife 232 successively to the right, to
Afterwards, to the left, forward horizontal movement blank, cut away a part for the upper end of the surface side wall of metal cover four, removed clout drops
On de- material block 25, wherein shift motion of the horizontal peeling knife 232 on four direction will be more than the thickness of one times of metal cover side wall
More than degree, after horizontal peeling knife 232 completes blank work, upper bolster 11 drives cope plate 13 to rise, and upper and lower mould 2 is separated, rotation
Punch-pin 23 is cut in the presence of the 3rd spring 28, reset is moved up, stripper plate 14 is separated with metal cover, and workman can pass through machinery
Hand takes out the metal cover and clout for fixing side, obtains finished workpart.
The present invention not only substantially reduces the manufacturing procedure of metal cover, reduces its production cost, also improves overall production
The crudy and processing efficiency of product.
Claims (10)
1. a kind of turn-cutting die, including upper mould（1）With lower mould（2）, upper mould（1）Including the upper bolster being from top to bottom sequentially connected
（11）, train wheel bridge（12）, cope plate（13）And stripper plate（14）, the cope plate（13）It is provided with fovea superior model cavity
（130）, the stripper plate（14）It is up and down to be arranged on fovea superior model cavity（130）It is interior, lower mould（2）Including from top to bottom connecting successively
The rotary-cut punch-pin connect（23）, lower template（24）, lower bolster（23）, bottom plate（22）And die shoe（21）, the rotary-cut punch-pin
（23）Slide up and down and be arranged on lower template（24）On, the rotary-cut punch-pin（23）With fovea superior model cavity（130）Position correspondence, institute
State fovea superior model cavity（130）Positioned at rotary-cut punch-pin（23）Surface, it is characterised in that the rotary-cut punch-pin（23）Including by upper
The guide pad being sequentially connected under（231）, horizontal peeling knife（232）And horizontal rotary-cut sliding block（E）, the lower template（24）
In rotary-cut punch-pin（23）The position of four direction all around be respectively arranged with drive block before punch-pin（D）, punch-pin rear-guard motion block
（C）, the left drive block of punch-pin（A）With the right drive block of punch-pin（B）, and drive block before punch-pin（D）, punch-pin rear-guard motion block（C）, punch-pin it is left
Drive block（A）With the right drive block of punch-pin（B）Medial surface respectively with horizontal rotary-cut sliding block（E）Corresponding lateral surface, which is mutually oriented to, matches somebody with somebody
Close, the horizontal peeling knife（232）Four direction all around position provided with de- material block（25）, the de- material block（25）On
Lower slider is arranged at horizontal rotary-cut sliding block（E）On.
2. turn-cutting die according to claim 1, it is characterised in that the fovea superior model cavity（130）With guide pad（231）Shape
Shape, size are adapted.
3. turn-cutting die according to claim 2, it is characterised in that the guide pad（231）It is arranged on horizontal peeling knife（232）
Top, the horizontal peeling knife（232）It is detachably arranged at horizontal rotary-cut sliding block（E）Top, the guide pad（231）With water
Flat peeling knife（232）Shape, size is adapted.
4. the turn-cutting die according to claim 1 or 3, it is characterised in that drive block before the punch-pin（D）Medial surface be provided with
Forerunner's guide rail（235）, the punch-pin rear-guard motion block（C）Medial surface be provided with rear-guard guide rail（236）, forerunner's guide rail（235）With
Rear-guard guide rail（236）Shift to install up and down, the left drive block of punch-pin（A）Medial surface be provided with left drive guide rail（233）, punch-pin is right to be driven
Motion block（B）Medial surface be provided with right drive guide rail（234）, left drive guide rail（233）With right drive guide rail（234）Shift to install up and down.
5. turn-cutting die according to claim 4, it is characterised in that the horizontal rotary-cut sliding block（E）Lateral surface provided with extremely
Few two slide block guide rails（237）, forerunner's guide rail（235）, rear-guard guide rail（236）, left drive guide rail（233）And right drive guide rail
（234）Respectively with horizontal rotary-cut sliding block（E）Slide block guide rail on corresponding lateral surface（237）It is oriented to and coordinates.
6. turn-cutting die according to claim 5, it is characterised in that the upper bolster（11）With stripper plate（14）Between provided with the
One spring（15）, the de- material block（25）With horizontal rotary-cut sliding block（E）Between be provided with second spring（27）, the de- material block（25）
And limited block（26）Positioned at horizontal rotary-cut sliding block（E）On, the die shoe（21）With horizontal rotary-cut sliding block（E）Between be provided with the 3rd
Spring（28）.
7. turn-cutting die according to claim 6, it is characterised in that the horizontal peeling knife（232）In rectangular-shape, level rotation
Cutting knife（232）Length in the horizontal plane is less than or equal to guide pad（231）Length in the horizontal plane, horizontal peeling knife
（232）Width in the horizontal plane is less than or equal to guide pad（231）Width in the horizontal plane.
8. turn-cutting die according to claim 7, it is characterised in that drive block before the punch-pin（D）, punch-pin rear-guard motion block（C）、
The left drive block of punch-pin（A）With the right drive block of punch-pin（B）Medial surface on be respectively equipped with least two forerunner's guide rails（235）, rear-guard leads
Rail（236）, left drive guide rail（233）, right drive guide rail（234）.
9. the turn-cutting die according to claim 4 or 7, it is characterised in that the right drive guide rail（234）, rear-guard guide rail（236）、
Left drive guide rail（233）And forerunner's guide rail（235）It is trapezoidal teeth groove.
10. turn-cutting die according to claim 9, it is characterised in that the right drive guide rail（234）, rear-guard guide rail（236）, it is left
Drive guide rail（233）And forerunner's guide rail（235）Successively on each self-corresponding punch-pin drive block of downward spread configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170522.1A CN106955925A (en) | 2016-12-16 | 2016-12-16 | A kind of turn-cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170522.1A CN106955925A (en) | 2016-12-16 | 2016-12-16 | A kind of turn-cutting die |
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| Publication Number | Publication Date |
|---|---|
| CN106955925A true CN106955925A (en) | 2017-07-18 |
Family
ID=59480900
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| CN201611170522.1A Pending CN106955925A (en) | 2016-12-16 | 2016-12-16 | A kind of turn-cutting die |
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