CN107470450A - A kind of device for preventing pipe fitting punching and causing pipe shaft to deform - Google Patents
A kind of device for preventing pipe fitting punching and causing pipe shaft to deform Download PDFInfo
- Publication number
- CN107470450A CN107470450A CN201710884948.1A CN201710884948A CN107470450A CN 107470450 A CN107470450 A CN 107470450A CN 201710884948 A CN201710884948 A CN 201710884948A CN 107470450 A CN107470450 A CN 107470450A
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- China
- Prior art keywords
- fixedly connected
- plate
- pipe fitting
- punching
- red needle
- Prior art date
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- 238000004080 punching Methods 0.000 title claims abstract description 42
- 238000005520 cutting process Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of device for preventing pipe fitting punching and causing pipe shaft to deform, including lower template, the top of the lower template is fixedly connected sequentially from left to right slider of punch, backing plate and locating bar fixed plate, and cope plate is fixedly connected with the top of slider of punch, centre at the top of the cope plate is fixedly connected with die shank, and the bottom of cope plate is fixedly connected with red needle fixed plate, the centre of the red needle fixed plate is fixedly connected with red needle, and the top of red needle contacts with the bottom of cope plate, it is related to hardware pipe parts processing technique field.The prevention pipe fitting punching causes the device that pipe shaft deforms, simple in construction, easy to assembly, reliable in action, automatically reset, existing tubing punching is solved to pipe shaft without management and control, pipe shaft deforms big situation after punching, it can better meet in certain fields and require that pipe shaft diameter change is small, ensure that needs the product of preferable fit dimension, has met the demand for development of machinery industry.
Description
Technical field
The present invention relates to hardware pipe parts processing technique field, is specially that a kind of prevention pipe fitting punching causes pipe shaft to become
The device of shape.
Background technology
Part is a part for machinery, is made up of some parts being assembled together.During Automatic manual transmission, these
Part is first assembled into part (part assembling), then just enters general assembly.Some parts (being referred to as sub-unit) are into general assembly
With also first and other part and component assembly Cheng Geng great part before.Assembled by some sub-units, and have independence
The bigger part of function, assembly is referred to as in automobile and other some machinery industries.
Hardware parts refer to the machine parts or part being fabricated to hardware, and some hardware products.It can be single
Private way, assistance apparatus can also be made.Such as hardware ＆ tools, hardware parts, haberdashery and hardware, architectural hardware and security protection articles for use
Deng.Hardware product is not mostly final consumption product.But as auxiliary products, semi-finished product and the production process of industry manufacture
Used tool etc..Only sub-fraction haberdashery and hardware product (accessory) is the necessary tool-class consumer goods of people's life.
Chinese patent CN104368677A, a kind of pipe fitting horizontal punching frock, including cope plate, lower template are disclosed, with
And it is arranged on the guide pillar guide sleeve structure between cope plate and lower template, it is characterised in that：Set between the cope plate and lower template
Put some levels and rush station, the cope plate lower surface of each horizontal punching station is provided with movable pressing board, activity on this
Cushion dashpot is provided between pressing plate and cope plate；Correspondingly, be provided with the lower template collision block mounting seat that is disposed adjacent with
And left and right die socket；The groove A of a support tubes is formed among between the left and right die socket, is divided in the left and right die socket
Left and right movable block is not provided with and inlays the left and right movable matrix for being fixed on left and right movable block inwall；The left and right activity
There is a through hole for being used for punching, the matched moulds end of left and right movable matrix has the arc groove B of clamping pipe fitting in cavity plate.This hair
The advantages of bright, is：The horizontal punching frock of the present invention, while horizontal punching, and punching precision are carried out to some positions of pipe fitting
Height, improve the efficiency of pipe fitting horizontal punching.
But although the patent can carry out horizontal punching to some positions of pipe fitting simultaneously, and punching precision is high, improves pipe
The efficiency of part horizontal punching, but do not solved reasonably to deformation caused by punching, not preferably to tubing
Punching is to pipe shaft without management and control, and pipe shaft deformation is big after punching, fail to meet to require in certain fields pipe shaft diameter change it is small, it is necessary to compared with
The product of good fit dimension.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of device for preventing pipe fitting punching and causing pipe shaft to deform, solution
Determined not preferably to tubing punching to pipe shaft without management and control, pipe shaft deformation is big after punching, fails to meet requirement certain fields in
The problem of pipe shaft diameter change is small.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：One kind prevention pipe fitting punching causes pipe
The device of body deformation, including lower template, the top of the lower template be fixedly connected sequentially from left to right have slider of punch, backing plate and
Locating bar fixed plate, and cope plate is fixedly connected with the top of slider of punch, the centre at the top of the cope plate is fixedly connected
There is die shank, and the bottom of cope plate is fixedly connected with red needle fixed plate, and the centre of the red needle fixed plate is fixedly connected with punching
Pin, and the top of red needle contacts with the bottom of cope plate, in the red needle fixed plate and positioned at the fixed company in the both sides of red needle
Oblique cutting block is connected to, the both sides of the backing plate crown center slidably connect left clamping and right clamping, and left clamping and the right side respectively
It is provided with pipe fitting between clamping, the both sides at the top of the backing plate have been fixedly connected with baffle plate, and spiral shell is threaded with baffle plate
Bar, surface of the screw rod away from left clamping and right clamping one end are fixedly connected with meson, the surface of the screw rod and positioned at being situated between
Spring is fixedly connected between son and baffle plate.
It is connected in the locating bar fixed plate with the surface activity of pipe fitting one end, and the surface of pipe fitting is provided with positioning
Block, one end of the pipe fitting is fixedly connected with locating bar, and the other end of pipe fitting is arranged with cavity plate plug, the cavity plate plug
Surface away from pipe fitting one end is fixedly connected with plug fixed plate, and the bottom of plug fixed plate is fixedly connected with backing plate.
Preferably, the die shank and cope plate junction and cope plate and the oblique cutting block junction company of being bolted
Connect.
Preferably, the top of the backing plate and guide rail, the surface of the guide rail are fixedly connected between two baffle plates
It is slidably connected with left clamping and right clamping.
Preferably, the one end of the screw rod away from meson is flexibly connected with left clamping and right clamping respectively.
Preferably, side of the baffle plate away from left clamping and right clamping is fixedly connected with reinforcement, and on reinforcement
It is in through setting with screw rod.
Preferably, in the locating bar fixed plate and the position corresponding with pipe fitting is fixedly connected with what is be adapted with pipe fitting
Fixed plate mold insert.
Preferably, the bottom of the locating piece is fixedly connected with support column, and the bottom of support column is fixed with lower template
Connection.
Preferably, the side of the surface of the screw rod and meson away from spring is threaded with nut.
(3) beneficial effect
The invention provides a kind of device for preventing pipe fitting punching and causing pipe shaft to deform.Possesses following beneficial effect：This is pre-
Anti- pipe fitting punching cause pipe shaft deform device, be fixedly connected sequentially from left to right by the top of lower template have slider of punch,
Backing plate and locating bar fixed plate, the die shank and red needle fixed plate that the top of slider of punch is fixedly connected with by cope plate, red needle
Be respectively arranged with oblique cutting block and red needle in fixed plate, and backing plate top be fixedly connected with respectively baffle plate, guide rail, left clamping
With right clamping, be provided with pipe fitting between left clamping and right clamping, the surface of pipe fitting one end is provided with cavity plate plug, pipe fitting it is another
The locating bar being provided with is held, simple in construction, easy to assembly, reliable in action, automatically resets, solves existing tubing punching to pipe
For body without management and control, pipe shaft deforms big situation after punching, can better meet in certain fields and require that pipe shaft diameter change is small, protects
The product of the preferable fit dimension of needs has been demonstrate,proved, has met the demand for development of machinery industry.
Brief description of the drawings
Fig. 1 is the sectional view of facing structure of the present invention；
Fig. 2 is the sectional view of side view structure of the present invention；
In figure, 1 template, 2 cope plates, 3 red needle fixed plates, 4 oblique cutting blocks, 5 baffle plates, 6 reinforcements, 7 mesons, 8 screw rods, 9 bullets
Spring, 10 left clampings, 11 backing plates, 12 lower templates, 13 right clampings, 14 guide rails, 15 nuts, 16 red needles, 17 plug fixed plates, 18 cavity plates
Plug, 19 pipe fittings, 20 locating pieces, 21 locating bar fixed plates, 22 fixed plate mold inserts, 23 locating bars, 24 slider of punch, 25 supports
Post.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the embodiment of the present invention provides a kind of technical scheme：One kind prevention pipe fitting punching causes pipe shaft to deform
Device, including lower template 12, the top of lower template 12 is fixedly connected sequentially from left to right slider of punch 24, backing plate 11 and fixed
Position rod fixed plate 21, and the top of slider of punch 24 is fixedly connected with cope plate 2, and the centre at the top of cope plate 2 is fixedly connected
There is die shank 1, die shank 1 is bolted to connection with the junction of cope plate 2 and cope plate 2 with the junction of oblique cutting block 4, and on
The bottom of template 2 is fixedly connected with red needle fixed plate 3, and the centre of red needle fixed plate 3 is fixedly connected with red needle 16, and red needle 16
Top contacted with the bottom of cope plate 2, be fixedly connected with oblique cutting block 4 in red needle fixed plate 3 and positioned at the both sides of red needle 16,
The both sides of the crown center of backing plate 11 slidably connect left clamping 10 and right clamping 13, the endoporus of left clamping 10 and right clamping 13 respectively
Diameter must be consistent with product external diameter, to ensure that endoporus die cut section is close to cavity plate, the top of backing plate 11 and positioned at two
Guide rail 14 is fixedly connected between individual baffle plate 5, the surface of guide rail 14 is slidably connected with left clamping 10 and right clamping 13, and left folder
Pipe fitting 19 is provided between mould 10 and right clamping 13, the both sides at the top of backing plate 11 have been fixedly connected with baffle plate 5, and baffle plate 5 is away from left
The side of clamping 10 and right clamping 13 is fixedly connected with reinforcement 6, and is in run through to set with screw rod 8 on reinforcement 6, and keeps off
Screw rod 8 is threaded with plate 5, surface of the screw rod 8 away from left clamping 10 and the one end of right clamping 13 is fixedly connected with meson 7, spiral shell
The one end of bar 8 away from meson 7 is flexibly connected with left clamping 10 and right clamping 13 respectively, the surface of screw rod 8 and positioned at meson 7 with gear
Spring 9 is fixedly connected between plate 5, the side of surface and meson 7 away from spring 9 of screw rod 8 is threaded with nut 15.
Surface activity in locating bar fixed plate 21 with the one end of pipe fitting 19 is connected, in locating bar fixed plate 21 and with pipe fitting 19
Corresponding position is fixedly connected with the fixed plate mold insert 22 being adapted with pipe fitting 19, and the surface of pipe fitting 19 is provided with positioning
Block 20, the bottom of locating piece 20 is fixedly connected with support column 25, and the bottom of support column 25 is fixedly connected with lower template 12, pipe
One end of part 19 is fixedly connected with locating bar 23, and the other end of pipe fitting 19 is arranged with cavity plate plug 18, cavity plate plug 18
Upper surface diameter must be consistent with product internal diameter, and to ensure that endoporus die cut section is close to cavity plate, cavity plate plug 18 is remote
The surface of the one end of pipe fitting 19 is fixedly connected with plug fixed plate 21, and the bottom of plug fixed plate 21 is fixed with backing plate 11 and connected
Connect, die shank 1, cope plate 2, red needle fixed plate 3, red needle 16 and oblique cutting block 4 form part of the upper die, and are fixed on slider of punch 24
On, remaining workpiece composition part of the lower die, and be fixed on work bench of punch press, when mold work, cope plate 2 follows slider of punch
During 24 are moved to bottom dead centre by top dead-centre, red needle 16 and oblique cutting block 4 can also follow slider of punch 24 from top to bottom movable, tiltedly
Inserted block 4 can first contact baffle plate 5, left clamping 10 and right clamping 13, and because baffle plate 5 is had been fixed on backing plate 11, oblique cutting block 4 continues
It is mobile to centre that downward activity forces left clamping 10 and right clamping 13 to be acted on by the external force of oblique cutting block 4, and clamps pipe fitting 19, works as arrival
During bottom dead centre, the aperture of shape needed for pipe fitting 19 is punched into the case where red needle 16 and cavity plate plug 18 act on；When slider of punch 24 again
When bottom dead centre is moved to top dead-centre, cope plate 2 follows slider of punch 24 to move up, when oblique cutting block 4 gradually leaves lower mould, by
It is connected with screw rod 8 in left clamping 10 and right clamping 13 and is moved left and right respectively by the pressure effect that spring 9 restores, and it is final complete
Full separate recovery is to die opening state.
Pipe fitting 19 is placed into cavity plate plug 18, the tail end locating bar 23 of pipe fitting 19 is fixed, left clamping 10 and right clamping 13
It is attached and resets using screw rod 8 and spring 9, when upper mould is overall movable downwards, oblique cutting block 4 contacts the left He of clamping 10 first
Right clamping 13 simultaneously makes left clamping 10 and right clamping 13 simultaneously to the mobile last clamping pipe fitting 19 in centre until red needle 16 thrusts pipe fitting
19 cut out the shape of needs, and when cope plate 2 follows slider of punch 24 movable upwards, oblique cutting block 4 can also follow slider of punch 24
Activity, left clamping 10 and right clamping 13 will follow the Recovery Process of spring 9 to move left and right, product is stripped upwards, by
Pipe fitting 19 is all completed in the state of cavity plate plug 18 and left clamping 10 and right clamping 13 clamp in whole active procedure, because
Pipe shaft is not in deformation after this completes punching.
In summary：The prevention pipe fitting punching causes the device that pipe shaft deforms, by the top of lower template 12 from left to right
Being fixedly connected sequentially has slider of punch 24, backing plate 11 and locating bar fixed plate 21, and the top of slider of punch 24 is solid by cope plate 2
Surely the die shank 1 and red needle fixed plate 3 being connected with, oblique cutting block 4 and red needle 16, and backing plate are respectively arranged with red needle fixed plate 3
Baffle plate 5, guide rail 14, left clamping 10 and the right clamping 13 that 11 top is fixedly connected with respectively, left clamping 10 and right clamping 13 it
Between be provided with pipe fitting 19, the surface of the one end of pipe fitting 19 is provided with cavity plate plug 18, the locating bar that the other end of pipe fitting 19 is provided with
23, simple in construction, easy to assembly, reliable in action, automatically reset, solve existing tubing punching to pipe shaft without management and control, punching
Pipe shaft deforms big situation afterwards, can better meet in certain fields and require that pipe shaft diameter change is small, ensure that needs are preferable
The product of fit dimension, the demand for development of machinery industry is met.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of device for preventing pipe fitting punching and causing pipe shaft to deform, including lower template (12), it is characterised in that：The lower template
(12) top is fixedly connected sequentially from left to right slider of punch (24), backing plate (11) and locating bar fixed plate (21), and
It is fixedly connected with cope plate (2) at the top of slider of punch (24), the centre at the top of the cope plate (2) is fixedly connected with die shank
(1), and the bottom of cope plate (2) is fixedly connected with red needle fixed plate (3), fixed among the red needle fixed plate (3) to connect
Red needle (16) is connected to, and the top of red needle (16) contacts with the bottom of cope plate (2), on the red needle fixed plate (3) and position
Oblique cutting block (4) is fixedly connected with the both sides of red needle (16), the both sides of backing plate (11) crown center are slidably connected respectively
There are left clamping (10) and right clamping (13), and pipe fitting (19), the pad are provided between left clamping (10) and right clamping (13)
Both sides at the top of plate (11) have been fixedly connected with baffle plate (5), and screw rod (8), the screw rod are threaded with baffle plate (5)
(8) surface away from left clamping (10) and right clamping (13) one end is fixedly connected with meson (7), the surface of the screw rod (8) and
Spring (9) is fixedly connected between meson (7) and baffle plate (5)；
Surface activity on the locating bar fixed plate (21) with pipe fitting (19) one end is connected, and the surface of pipe fitting (19) is set
There is locating piece (20), one end of the pipe fitting (19) is fixedly connected with locating bar (23), and the other end of pipe fitting (19) is arranged
There is cavity plate plug (18), surface of the cavity plate plug (18) away from pipe fitting (19) one end is fixedly connected with plug fixed plate
(21), and the bottom of plug fixed plate (21) is fixedly connected with backing plate (11).
A kind of 2. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：The mould
Handle (1) is bolted to connection with cope plate (2) junction and cope plate (2) with oblique cutting block (4) junction.
A kind of 3. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：The pad
The top of plate (11) and guide rail (14) is fixedly connected between two baffle plates (5), surface and the left folder of the guide rail (14)
Mould (10) and right clamping (13) are slidably connected.
A kind of 4. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：The spiral shell
The one end of bar (8) away from meson (7) is flexibly connected with left clamping (10) and right clamping (13) respectively.
A kind of 5. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：The gear
Side of the plate (5) away from left clamping (10) and right clamping (13) is fixedly connected with reinforcement (6), and on reinforcement (6) and spiral shell
Bar (8) is in through setting.
A kind of 6. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：It is described fixed
In position rod fixed plate (21) and the position corresponding with pipe fitting (19) is fixedly connected with the fixed plate edge being adapted with pipe fitting (19)
Part (22).
A kind of 7. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：It is described fixed
The bottom of position block (20) is fixedly connected with support column (25), and the bottom of support column (25) is fixedly connected with lower template (12).
A kind of 8. device for preventing pipe fitting punching and causing pipe shaft to deform according to claim 1, it is characterised in that：The spiral shell
The side of the surface of bar (8) and meson (7) away from spring (9) is threaded with nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884948.1A CN107470450B (en) | 2017-09-26 | 2017-09-26 | A kind of device for preventing pipe fitting punching and pipe shaft being caused to deform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884948.1A CN107470450B (en) | 2017-09-26 | 2017-09-26 | A kind of device for preventing pipe fitting punching and pipe shaft being caused to deform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470450A true CN107470450A (en) | 2017-12-15 |
| CN107470450B CN107470450B (en) | 2018-09-11 |
Family
ID=60586978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710884948.1A Active CN107470450B (en) | 2017-09-26 | 2017-09-26 | A kind of device for preventing pipe fitting punching and pipe shaft being caused to deform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107470450B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435917A (en) * | 2018-04-24 | 2018-08-24 | 广州市贤信机械制造有限公司 | A kind of card slot molding Tooth punching mold of headrest tube fitting |
| CN109013856A (en) * | 2018-10-22 | 2018-12-18 | 辉泰（太仓）汽配有限公司 | A kind of pipe fitting punching anti-crease mold |
| CN110508662A (en) * | 2019-07-17 | 2019-11-29 | 晋江市恒溢雨具有限公司 | A kind of umbrella rib skeleton circle wall pipe anti-deformation blanking apparatus and its processing method |
| CN111438266A (en) * | 2020-04-29 | 2020-07-24 | 苏州飞宇精密科技股份有限公司 | U-shaped product outer punching device |
| CN111774471A (en) * | 2020-06-16 | 2020-10-16 | 武汉市华源达科技有限公司 | A kind of elbow punching die |
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Cited By (5)
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| CN108435917A (en) * | 2018-04-24 | 2018-08-24 | 广州市贤信机械制造有限公司 | A kind of card slot molding Tooth punching mold of headrest tube fitting |
| CN109013856A (en) * | 2018-10-22 | 2018-12-18 | 辉泰（太仓）汽配有限公司 | A kind of pipe fitting punching anti-crease mold |
| CN110508662A (en) * | 2019-07-17 | 2019-11-29 | 晋江市恒溢雨具有限公司 | A kind of umbrella rib skeleton circle wall pipe anti-deformation blanking apparatus and its processing method |
| CN111438266A (en) * | 2020-04-29 | 2020-07-24 | 苏州飞宇精密科技股份有限公司 | U-shaped product outer punching device |
| CN111774471A (en) * | 2020-06-16 | 2020-10-16 | 武汉市华源达科技有限公司 | A kind of elbow punching die |
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| CN107470450B (en) | 2018-09-11 |
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