CN109433957A - A kind of bearing mnanufacture clamping ring stamping device - Google Patents
A kind of bearing mnanufacture clamping ring stamping device Download PDFInfo
- Publication number
- CN109433957A CN109433957A CN201811134263.6A CN201811134263A CN109433957A CN 109433957 A CN109433957 A CN 109433957A CN 201811134263 A CN201811134263 A CN 201811134263A CN 109433957 A CN109433957 A CN 109433957A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- die holder
- guiding post
- lower die
- 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.)
- Pending
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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
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
-
- 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
- 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
Abstract
The invention belongs to bearing mnanufacture technical field, in particular a kind of bearing mnanufacture clamping ring stamping device.The present apparatus includes fixation kit, stroke control assembly and guidance set, the fixation kit includes upper die holder, upper padding plate, upper clamp plate, baffle plate, stripper plate, lower die holder, feet, lower bolster and lower template, the bottom surface of the upper die holder is fixedly connected with the upper padding plate, the bottom surface of the upper padding plate is fixedly connected with the upper clamp plate, and the bottom surface of the baffle plate is fixedly connected with the stripper plate；First coarse positioning is first carried out to device using outer guiding post and outer bush, second fine positioning is carried out to device by guide sleeve in guide sleeve in inner guiding post and upper mold, lower die again, so that the precision of device has biggish promotion, the position of material is positioned by correcting nail again, stripper plate fixes the material that positioning is completed, guarantee the precision of material in process of production, thereby may be ensured that the precision of product.
Description
Technical field
The invention belongs to bearing mnanufacture technical fields, and in particular to a kind of bearing mnanufacture clamping ring stamping device.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced
Coefficient of friction in its motion process, and guarantee its rotating accuracy, rolling bearing is generally by outer ring, inner ring, rolling element and holding
Four part of frame composition, bearing clamping ring are the important features for guaranteeing a bearing steady running.Original clamping ring stamping device
Precision mostly uses greatly a kind of positioning method, and the device that original clamping ring stamping device does not mostly align material,
This is resulted in process of production, and stamping device position inaccurate, positions of materials precision is low, and the Product Precision of production is more not
Foot.
Summary of the invention
To solve the problems mentioned above in the background art, the present invention provides a kind of bearing mnanufacture clamping rings to be filled with punching press
It sets, has the characteristics that with high accuracy.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of bearing mnanufacture clamping ring stamping device, including fixation kit, stroke control assembly and guidance set, the fixation
Component includes upper die holder, upper padding plate, upper clamp plate, baffle plate, stripper plate, lower die holder, feet, lower bolster and lower template, it is described on
The bottom surface of die holder is fixedly connected with the upper padding plate, and the bottom surface of the upper padding plate is fixedly connected with the upper clamp plate, the backstop
The bottom surface of plate is fixedly connected with the stripper plate, and the bottom surface of the lower die holder is fixedly connected with the feet, the lower die holder
Top surface is fixedly connected with the lower bolster, and the top surface of the lower bolster is fixedly connected with the lower template, the stroke control group
Part includes upper only Gao Zhu, stops Gao Zhu, nitrogen gas spring and contour sleeve down, and the upper only Gao Zhu is fixedly connected on the baffle plate
Bottom surface, the lower only Gao Zhu is fixedly connected on the top surface of the lower die holder, and the upper only high column is located at the lower only high column
On same axis, the nitrogen gas spring runs through the upper padding plate and the upper clamp plate, and the fixing end of the nitrogen gas spring is fixed
Be connected to the bottom surface of the upper die holder, the other end is close to the top surface of the baffle plate, the contour sleeve through the upper die holder,
The upper padding plate and upper clamp plate, bottom end are fixedly connected with the baffle plate, and the other end is slidably connected to the inner wall of the upper die holder,
The guidance set includes outer guiding post, outer bush, inner guiding post, guide sleeve in upper mold, guide sleeve and correcting nail in lower die, the outer guiding post
It is fixedly connected on the bottom surface of the upper die holder, the outer bush is fixedly connected on the top surface of the lower die holder, and the outer bush
It is located on same axis with the outer guiding post, the inner guiding post runs through the upper clamp plate, the baffle plate and the stripper plate, institute
The top for stating inner guiding post is fixedly connected with the upper clamp plate, and guide sleeve is fixedly connected with the stripper plate in the upper mold, and with institute
It states inner guiding post to be slidably connected, guide sleeve is fixedly connected with the lower template in the lower die, and is located at same axis with the inner guiding post
On line, the correcting nail is fixedly connected with the stripper plate.
Bearing mnanufacture clamping ring stamping device above-mentioned, the upper die holder offer restocking die cavity, and the restocking mould
The quantity of slot is four, is distributed in the two sides of the upper die holder, so that upper mold and the quick installation and removal of stamping equipment.
Bearing mnanufacture clamping ring stamping device above-mentioned, the lower die holder offer undercarriage die cavity, and the undercarriage mould
The quantity of slot is four, is distributed in the two sides of the lower die holder.
Bearing mnanufacture clamping ring stamping device above-mentioned, the baffle plate pass through the contour sleeve and the upper die holder
It is slidably connected, the quantity of the contour sleeve is four, and bottom end is respectively fixedly connected in the quadrangle of the baffle plate.
Bearing mnanufacture clamping ring stamping device above-mentioned, the lower only high pillar height in the lower template one material it is thick away from
From, and the upper only high column bottom surface is concordant with the bottom surface of the stripper plate.
Bearing mnanufacture clamping ring stamping device above-mentioned, the bottom surface of the outer guiding post are higher than the bottom surface of the inner guiding post,
The top surface of the outer bush is higher than the top surface of guide sleeve in the lower die.
The quantity of bearing mnanufacture clamping ring stamping device above-mentioned, the outer guiding post and the outer bush is four, point
Not Wei Yu device quadrangle.
Compared with prior art, the invention has the beneficial effects that: the first is carried out to device using outer guiding post and outer bush
One coarse positioning, then second fine positioning is carried out to device by guide sleeve in guide sleeve in inner guiding post and upper mold, lower die, so that device
Precision have a biggish promotion, then the position of material is positioned by correcting nail, stripper plate fixes the material that positioning is completed,
Guarantee the precision of material in process of production, thereby may be ensured that the precision of product.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side structure schematic view of the invention；
Fig. 3 is the structural schematic diagram of guidance set in the present invention；
Fig. 4 is the overlooking structure diagram of lower die in the present invention；
The meaning of appended drawing reference: 10- fixation kit, 11- upper die holder, 111- restocking die cavity, 12- upper padding plate, 13- upper clamp plate, 14-
Baffle plate, 15- stripper plate, 16- lower die holder, 161- undercarriage die cavity, 17- feet, 18- lower bolster, 19- lower template, 20- stroke control
Component processed, only Gao Zhu under only Gao Zhu on 21-, 22-, 23- nitrogen gas spring, the high sleeve such as 24-, 30- guidance set, 31- outer guiding post,
32- outer bush, 33- inner guiding post, guide sleeve in 34- upper mold, guide sleeve in 35- lower die, 36- correcting nail.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
The embodiment of the present invention 1: as Figure 1-Figure 4, a kind of bearing mnanufacture clamping ring stamping device includes fixed group
Part 10, stroke control assembly 20 and guidance set 30, the fixation kit 10 include upper die holder 11, upper padding plate 12, upper clamp plate 13,
Baffle plate 14, stripper plate 15, lower die holder 16, feet 17, lower bolster 18 and lower template 19, the bottom surface of the upper die holder 11 is fixed to be connected
It is connected to the upper padding plate 12, the bottom surface of the upper padding plate 12 is fixedly connected with the upper clamp plate 13, the bottom surface of the baffle plate 14
It is fixedly connected with the stripper plate 15, the bottom surface of the lower die holder 16 is fixedly connected with the feet 17, the lower die holder 16
Top surface is fixedly connected with the lower bolster 18, and the top surface of the lower bolster 18 is fixedly connected with the lower template 19, the stroke
Control assembly 20 includes upper only high column 21, stops high column 22, nitrogen gas spring 23 and contour sleeve 24 down, and the upper only high column 21 is fixed
Be connected to the bottom surface of the baffle plate 14, the lower only high column 22 is fixedly connected on the top surface of the lower die holder 16, and it is described on
Only high column 21 is located on same axis with the lower only high column 22, the nitrogen gas spring 23 run through the upper padding plate 12 and it is described on
Clamping plate 13, and the fixing end of the nitrogen gas spring 23 is fixedly connected on the bottom surface of the upper die holder 11, the other end is close to described stop
The top surface of baffle 14, the contour sleeve 24 run through the upper die holder 11, the upper padding plate 12 and upper clamp plate 13, bottom end with it is described
Baffle plate 14 is fixedly connected, and the other end is slidably connected to the inner wall of the upper die holder 11, and the guidance set 30 includes outer guiding post
31, outer bush 32, inner guiding post 33, guide sleeve 34 in upper mold, guide sleeve 35 and correcting nail 36 in lower die, the outer guiding post 31 is fixedly connected
In the bottom surface of the upper die holder 11, the outer bush 32 is fixedly connected on the top surface of the lower die holder 16, and the outer bush 32
It is located on same axis with the outer guiding post 31, the inner guiding post 33 is through the upper clamp plate 13, the baffle plate 14 and described
Stripper plate 15, the top of the inner guiding post 33 are fixedly connected with the upper clamp plate 13, guide sleeve 34 and the de- material in the upper mold
Plate 15 is fixedly connected, and is slidably connected with the inner guiding post 33, and guide sleeve 35 is fixedly connected with the lower template 19 in the lower die,
And be located on same axis with the inner guiding post 33, the correcting nail 36 is fixedly connected with the stripper plate 15.
Embodiment 2: as Figure 1-Figure 4, a kind of bearing mnanufacture clamping ring stamping device includes fixation kit 10, stroke
Control assembly 20 and guidance set 30, fixation kit 10 include upper die holder 11, upper padding plate 12, upper clamp plate 13, baffle plate 14, de- material
Plate 15, lower die holder 16, feet 17, lower bolster 18 and lower template 19, the bottom surface of upper die holder 11 are fixedly connected with upper padding plate 12, upper pad
The bottom surface of plate 12 is fixedly connected with upper clamp plate 13, and the bottom surface of baffle plate 14 is fixedly connected with stripper plate 15, the bottom surface of lower die holder 16
It is fixedly connected with feet 17, the top surface of lower die holder 16 is fixedly connected with lower bolster 18, and the top surface of lower bolster 18 is fixedly connected with down
Template 19, stroke control assembly 20 include upper only high column 21, stop high column 22, nitrogen gas spring 23 and contour sleeve 24, upper only height down
Column 21 is fixedly connected on the bottom surface of baffle plate 14, and lower only high column 22 is fixedly connected on the top surface of lower die holder 16, and upper only high column 21
Be located on same axis with lower only high column 22, nitrogen gas spring 23 is through upper padding plate 12 and upper clamp plate 13, and nitrogen gas spring 23 is consolidated
Fixed end is fixedly connected on the bottom surface of upper die holder 11, and the other end is close to the top surface of baffle plate 14, contour sleeve 24 through upper die holder 11,
Upper padding plate 12 and upper clamp plate 13, bottom end are fixedly connected with baffle plate 14, and the other end is slidably connected to the inner wall of upper die holder 11, guiding
Component 30 includes outer guiding post 31, outer bush 32, inner guiding post 33, guide sleeve 34 in upper mold, guide sleeve 35 and correcting nail 36 in lower die, is led outside
Column 31 is fixedly connected on the bottom surface of upper die holder 11, and outer bush 32 is fixedly connected on the top surface of lower die holder 16, and outer bush 32 and outer
Guide post 31 is located on same axis, inner guiding post 33 run through upper clamp plate 13, baffle plate 14 and stripper plate 15, the top of inner guiding post 33 with
Upper clamp plate 13 is fixedly connected, and guide sleeve 34 is fixedly connected with stripper plate 15 in upper mold, and is slidably connected with inner guiding post 33, is led in lower die
Set 35 is fixedly connected with lower template 19, and is located on same axis with inner guiding post 33, and correcting nail 36 is fixedly connected with stripper plate 15.
In the present embodiment, outer guiding post 31 and outer bush 32 carry out first step coarse positioning, guide sleeve 34 in inner guiding post 33 and upper mold to device
Fine positioning, the running precision of lifting device are carried out to device with guide sleeve 35 in lower die, the position that 36 pairs of products are followed closely in correcting carries out essence
Positioning, improves the precision of product.In the present embodiment, upper die holder 11 offers restocking die cavity 111, and the quantity of restocking die cavity 111
It is four, is distributed in the two sides of upper die holder 11, facilitates and upper mold is rapidly secured on stamping equipment, and facilitates upper mold from punching press
Replacement is removed in equipment.Lower die holder 16 offers undercarriage die cavity 161, and the quantity of undercarriage die cavity 161 is four and is distributed in lower die
The two sides of seat 16, facilitate and lower die are rapidly secured on stamping equipment, and facilitate and lower die is removed to replacement from stamping equipment.
Specifically, baffle plate 14 is slidably connected by contour sleeve 24 with upper die holder 11, the quantity of contour sleeve 24 is four
A, bottom end is respectively fixedly connected in the quadrangle of baffle plate 14, it can be achieved that first following closely 36 pairs of positions of materials by correcting carries out correcting, de- material
Plate 15 carries out position to material and fixes, then carries out the processes such as shear forming to material, after the completion of punching press, then will by contour sleeve 24
Baffle plate 14 and stripper plate 15, which drive, is detached from material.Stop high column 22 down and is higher than the lower template 19 1 thick distances of material, and upper only height
21 bottom surface of column is concordant with the bottom surface of stripper plate 15, it is ensured that device under fully closed condition, stripper plate 15 and lower template 19 it
Between have the gap of a material thickness, material can be prevented to be squeezed and deformed.The bottom surface of outer guiding post 31 is higher than the bottom surface of inner guiding post 33, outside
The top surface of guide sleeve 32 is higher than the top surface of guide sleeve 35 in lower die, it can be achieved that outer guiding post 31 and outer bush 32 are thick to the device progress first step
Positioning, then second fine positioning is carried out to device by guide sleeve 35 in guide sleeve 34 in inner guiding post 33, upper mold and lower die.The present embodiment
In, the quantity of outer guiding post 31 and outer bush 32 is four, is located at the quadrangle of device, it is ensured that the stabilization of device coarse positioning,
Anti- locking apparatus positioning tilt, influences Product Precision, or even will cause the damage of device.
The working principle of the invention and process for using: after the present invention installs, upper die holder 11 is consolidated by restocking die cavity 111
It is scheduled on stamping equipment upper table surface, lower die holder 16 is fixed on stamping equipment following table by undercarriage die cavity 161, starts punching press
Equipment, the first step, outer guiding post 31 enter the inner wall of outer bush 32, carry out coarse positioning, second step, under inner guiding post 33 enters to device
35 inner wall of guide sleeve in mould carries out fine positioning, third step to device, and the position that 36 pairs of materials are followed closely in correcting carries out correcting, and the 4th step takes off
Flitch 15 pushes down material, provides pressure-plate-force, the 5th step by nitrogen gas spring 23, the processes (not shown) such as shearing, molding, shaping synchronizes
It carries out, the 6th step, stamping equipment drives upper die holder 11,13 uplink of upper padding plate 12 and upper clamp plate, and contour sleeve 24 drives baffle plate
14 and 15 uplink of stripper plate, inner guiding post 33 is detached from guide sleeve 35 in lower die, and outer guiding post 31 is detached from outer bush 32, and a punching press is completed.
Claims (7)
1. a kind of bearing mnanufacture clamping ring stamping device, it is characterised in that: including fixation kit (10), stroke control assembly
(20) and guidance set (30), the fixation kit (10) include upper die holder (11), upper padding plate (12), upper clamp plate (13), backstop
Plate (14), stripper plate (15), lower die holder (16), feet (17), lower bolster (18) and lower template (19), the upper die holder (11)
Bottom surface is fixedly connected with the upper padding plate (12), and the bottom surface of the upper padding plate (12) is fixedly connected with the upper clamp plate (13), institute
The bottom surface for stating baffle plate (14) is fixedly connected with the stripper plate (15), and the bottom surface of the lower die holder (16) is fixedly connected with described
The top surface of feet (17), the lower die holder (16) is fixedly connected with the lower bolster (18), and the top surface of the lower bolster (18) is solid
Surely it is connected with the lower template (19), the stroke control assembly (20) includes upper only Gao Zhu (21), stops Gao Zhu (22), nitrogen down
Spring (23) and contour sleeve (24), upper only Gao Zhu (21) are fixedly connected on the bottom surface of the baffle plate (14), under described
Only Gao Zhu (22) is fixedly connected on the top surface of the lower die holder (16), and upper only Gao Zhu (21) and it is described it is lower only Gao Zhu (22)
On same axis, the nitrogen gas spring (23) runs through the upper padding plate (12) and the upper clamp plate (13), and the nitrogen
The fixing end of spring (23) is fixedly connected on the bottom surface of the upper die holder (11), and the other end is close to the top of the baffle plate (14)
Face, the contour sleeve (24) are stopped through the upper die holder (11), the upper padding plate (12) and upper clamp plate (13), bottom end with described
Baffle (14) is fixedly connected, and the other end is slidably connected to the inner wall of the upper die holder (11), and the guidance set (30) includes outer
Guide post (31), outer bush (32), inner guiding post (33), guide sleeve (34) in upper mold, guide sleeve (35) and correcting nail (36) in lower die, it is described
Outer guiding post (31) is fixedly connected on the bottom surface of the upper die holder (11), and the outer bush (32) is fixedly connected on the lower die holder
(16) top surface, and the outer bush (32) and the outer guiding post (31) are located on same axis, the inner guiding post (33) is run through
The upper clamp plate (13), the baffle plate (14) and the stripper plate (15), the top of the inner guiding post (33) and the upper folder
Plate (13) is fixedly connected, and guide sleeve (34) is fixedly connected with the stripper plate (15) in the upper mold, and with the inner guiding post (33)
It is slidably connected, guide sleeve (35) is fixedly connected with the lower template (19) in the lower die, and is located at together with the inner guiding post (33)
On one axis, the correcting nail (36) is fixedly connected with the stripper plate (15).
2. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: the upper die holder (11) is opened
Equipped with restocking die cavity (111), and the quantity of the restocking die cavity (111) is four, is distributed in the two sides of the upper die holder (11).
3. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: the lower die holder (16) is opened
Equipped with undercarriage die cavity (161), and the quantity of the undercarriage die cavity (161) is four, is distributed in the two sides of the lower die holder (16).
4. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: the baffle plate (14) is logical
It crosses the contour sleeve (24) to be slidably connected with the upper die holder (11), the quantity of the contour sleeve (24) is four, bottom end
It is respectively fixedly connected in the quadrangle of the baffle plate (14).
5. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: under described only Gao Zhu (22)
Higher than the lower template (19), and upper only (21) bottom surface Gao Zhu is concordant with the bottom surface of the stripper plate (15).
6. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: the outer guiding post (31)
Bottom surface is higher than the bottom surface of the inner guiding post (33), and the top surface of the outer bush (32) is higher than the top of guide sleeve (35) in the lower die
Face.
7. bearing mnanufacture clamping ring stamping device according to claim 1, it is characterised in that: the outer guiding post (31) with
The quantity of the outer bush (32) is four, is located at the quadrangle of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134263.6A CN109433957A (en) | 2018-09-27 | 2018-09-27 | A kind of bearing mnanufacture clamping ring stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134263.6A CN109433957A (en) | 2018-09-27 | 2018-09-27 | A kind of bearing mnanufacture clamping ring stamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109433957A true CN109433957A (en) | 2019-03-08 |
Family
ID=65545911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134263.6A Pending CN109433957A (en) | 2018-09-27 | 2018-09-27 | A kind of bearing mnanufacture clamping ring stamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109433957A (en) |
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| CN2673534Y (en) * | 2003-12-31 | 2005-01-26 | 厦门宏发电声有限公司 | Stepping punching mould |
| CN201223902Y (en) * | 2008-06-19 | 2009-04-22 | 河南天海电器有限公司 | Bending stamping mould |
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| CN203426263U (en) * | 2013-06-29 | 2014-02-12 | 四川瑞宝电子有限责任公司 | Continuous stamping die used for producing tablet computer outer shell structural parts |
| CN205341632U (en) * | 2016-01-29 | 2016-06-29 | 云南东电线路器材有限公司 | Punch a hole, typing all -in -one |
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| CN207238904U (en) * | 2017-08-24 | 2018-04-17 | 昆山永顺电子科技发展有限公司 | A kind of bearing continuous stamping die |
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2018
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| CN2673534Y (en) * | 2003-12-31 | 2005-01-26 | 厦门宏发电声有限公司 | Stepping punching mould |
| CN201223902Y (en) * | 2008-06-19 | 2009-04-22 | 河南天海电器有限公司 | Bending stamping mould |
| CN203044694U (en) * | 2013-01-30 | 2013-07-10 | 吴栋杰 | Progressive die with automatic protective device |
| CN203426263U (en) * | 2013-06-29 | 2014-02-12 | 四川瑞宝电子有限责任公司 | Continuous stamping die used for producing tablet computer outer shell structural parts |
| CN205341632U (en) * | 2016-01-29 | 2016-06-29 | 云南东电线路器材有限公司 | Punch a hole, typing all -in -one |
| CN205967019U (en) * | 2016-08-16 | 2017-02-22 | 江苏力乐汽车部件股份有限公司 | Steel plate is local smart towards profile of tooth punching press modulus of continuity for product |
| CN207188595U (en) * | 2017-06-03 | 2018-04-06 | 农非 | A kind of draw hook type and universal compound continuous mould |
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