CN108435959A - A kind of bend punching die - Google Patents
A kind of bend punching die Download PDFInfo
- Publication number
- CN108435959A CN108435959A CN201810278540.4A CN201810278540A CN108435959A CN 108435959 A CN108435959 A CN 108435959A CN 201810278540 A CN201810278540 A CN 201810278540A CN 108435959 A CN108435959 A CN 108435959A
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- CN
- China
- Prior art keywords
- lower die
- positioning pin
- workpiece
- convex
- pin
- 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
Links
- 238000004080 punching Methods 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 29
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
-
- 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
- B21D37/04—Movable or exchangeable mountings for 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a kind of bend punching dies, belong to technical field of mold.It solve the problems, such as existing mold can not ensure between porous workpiece bending metapore and hole to neutrality.This bend punching die, including lower die, upper mold and the positioning pin being arranged in lower die, the upper surface of the lower die offers the forming tank that can be matched with upper mold, it is opened up in lower die and sets up the both sides opposite in forming tank separately there are two location hole and two location holes, there are two positioning pin tools and two positioning pins are plugged in corresponding location hole, the upper end of positioning pin is protruding upward relative to the upper surface of lower die, and the lower face on convex edge and the upper surface of lower die lean and outer edge of the convex along upper surface has circular arc chamfering.This structure ensure after workpiece bending to neutrality, change the size on convex edge by replacing positioning pin to adapt to different apertures so that mold can carry out bending to different workpiece, improve the versatility of mold.
Description
Technical field
The invention belongs to technical field of mold, are related to a kind of diel, especially a kind of bend punching die.
Background technology
Punching press is to apply pressure to material using the mold being mounted on forcing press, it is made to generate separation or plastic deformation,
To obtain required part.The shape of some parts needs to do certain bending torsion processing, and existing most of parts are all
It is to be reversed again via other mechanical equipments after the completion of punching press, there are bending angles to protect for this parts machining mode
Consistency is demonstrate,proved, the normal use of part is influenced.
Currently, Chinese patent net discloses a kind of bending die (Authorization Notice No. with positioning pin：CN202803921U), wrap
Upper die holder, lower die holder, die shank, punch-pin and cavity plate are included, punch-pin is set to upper die holder lower surface, and cavity plate is symmetrically arranged recessed by two
Module forms, and the female die block is made of fixed block and movable block, and fixed block is fixedly connected on lower die holder upper surface, movable block with
Fixed block connects, and can be relatively fixed block movement in the horizontal direction, and rubber pad, fixed block are provided between fixed block and movable block
Side wall far from movable block is provided with triangle ribs, and top plate is provided between two female die blocks, is detachably connected on top plate
There are positioning pin, punch-pin lower surface to be provided with the blind hole with detent fit.
When above-mentioned bending die works, workpiece is placed on to the first-class Kong Yuding made on workpiece in upper surface of two female die blocks
Position pin face, punch-pin is pressed on workpiece so that bending occurs for the both sides of workpiece, after the certain angle of the both sides elder generation bending of workpiece,
Positioning pin is inserted into the hole on workpiece so that positioning pin positions the follow-up bending of workpiece.But in actual processing mistake
Cheng Zhong, the position of workpiece, which is put, can not ensure the hole on workpiece and the accurate face of positioning pin, cause workpiece during bending
Positioning pin can not be accurately inserted into hole, be easy to damage the hole of workpiece or integrally cause to damage to workpiece in punching course
It is bad, can not ensure between porous workpiece bending metapore and hole to neutrality.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of bend punching die, this hair
It is bright the technical problem to be solved is that：How workpiece with hole bending is improved while ensureing mold versatility to neutrality.
Object of the invention can be realized by the following technical scheme：A kind of bend punching die, including lower die, upper mold and
The positioning pin being arranged in lower die, the upper surface of the lower die offer the forming tank that can be matched with upper mold, and feature exists
In being opened up in the lower die and set up the both sides opposite in forming tank separately there are two location hole and two location holes, the positioning pin has
Two and two positioning pins are plugged in corresponding location hole, and the upper end of the positioning pin is upward convex relative to the upper surface of lower die
Go out, the peripheral surface of the positioning pin upper end has the convex edge to match with the hole on workpiece, the lower end on the convex edge
Face and the upper surface of lower die lean and outer edge of the convex along upper surface has circular arc chamfering.
This bend punching die is used to carry out bending to the workpiece with more than two holes, and more than two holes are distributed on work
It left and right sides and is symmetrical set on part, workpiece is placed in lower die, the convex on two positioning pins along extending to work respectively
In one hole of part left and right sides so that workpiece is positioned in lower die, ensures that the hole on workpiece is symmetrically disposed on a left side for forming tank
Right side, upper mold is with after lower die molding, and workpiece first occurs bending in the edge of forming tank and forms flanging, and flanging overturns certain angle again
Degree makes the hole on flanging be detached from convex edge, and positions the circular arc chamfering on convex edge and ensure that flanging can smoothly overturn disengaging positioning
Convex edge avoids convex from interfering problem along during flanging overturns disengaging convex edge, and then ensures that flanging can
Continue after the completion of forming tank 90-degree bent, workpiece bending, face, the mould structure improve work to the hole on the flanging of left and right one by one
After part bending to neutrality；In addition, the pore size in the hole on different types of workpiece is different, have not on different positioning pins
With the convex edge of size, change the size on convex edge by replacing positioning pin to adapt to different apertures so that mold
Bending can be carried out to different workpiece so that mold has higher versatility, and positioning pin is located in by location hole
In lower die, on the one hand positioning pin is convenient for changing positioning pin with lower die connected structure, makes positioning after on the other hand replacing positioning pin
The position sold in lower die remains unchanged, and improves workpiece bending to neutral precision.
In a kind of above-mentioned bend punching die, the lower die includes lower die holder and is detachably secured to lower die holder upper table
The cavity plate in face, the forming tank are opened in the middle part of cavity plate upper surface, and two positioning pins set up separately in the opposite both sides of cavity plate and determine
The lower face of position convex edge and the upper surface of cavity plate lean, and the lower die holder offers the location hole to match with positioning pin, institute
The lower end for stating positioning pin is plugged in location hole, and locating slot is offered on the cavity plate side opposite with positioning pin, described fixed
Position pin is embedded in locating slot.Cavity plate is connect with lower die holder by fastener, can need replacing cavity plate and lower die according to workpiece
The size of seat, so as to the workpiece suitable for different pitch-rows；The structure positions positioning pin by locating slot, and positioning pin
Lower end setting location hole in again be avoided that positioning pin be detached from locating slot, positioning pin in lower die positioning stablity and again facilitate more
It changes.
In a kind of above-mentioned bend punching die, the convex is along the cylinder also having on the downside of circular arc chamfering
Portion.The hole wall in the hole on the peripheral surface and workpiece of cylindrical portion fits, and plays the role of positioning workpiece.
In a kind of above-mentioned bend punching die, the height on the convex edge is 1-2mm.The structure makes convex
Depth in the hole extended on workpiece is 1-2mm, not only ensure that positioning of the workpiece in lower die, but also ensures that bending occurs for workpiece
Afterwards, the hole on flanging can smoothly be detached from convex edge.
In a kind of above-mentioned bend punching die, the upper mold includes upper die holder, punch-pin, connecting pole one and connecting pole
Two, one end of the connecting pole one and the lower surface of upper die holder be connected, the upper surface of the other end and punch-pin is connected, the connecting pole
Two one end is resisted against on the lower surface of upper die holder, the other end is resisted against on the upper surface of punch-pin, the connecting pole one and connection
Relief hole is formed between column two.The both ends of part workpiece have side, and after workpiece pressing and bending, the side at workpiece both ends extends to
In relief hole, connecting pole two is extracted between upper die holder and punch-pin so that one end of relief hole has notch, facilitates workpiece
It is unloaded from mold by the notch, connecting pole two is placed into original position again after workpiece is unloaded from mold, ensured one under punch-pin
There is preferable stability when secondary punching press.
Compared with prior art, bend punching die of the invention has the following advantages：After the completion of workpiece bending, workpiece is left
Hole on right folding side face one by one, ensure after workpiece bending to neutrality, change the ruler on convex edge by replacing positioning pin
It is very little to adapt to different apertures so that mold can to different workpiece carry out bending, improve the versatility of mold.
Description of the drawings
Fig. 1 is the dimensional structure diagram that workpiece is placed on inventive die.
Fig. 2 is the dimensional structure diagram of inventive die.
Fig. 3 is the dimensional structure diagram of lower die of the present invention.
Fig. 4 is the front view of inventive die.
Fig. 5 is the left view of inventive die.
Fig. 6 is the dimensional structure diagram of workpiece.
In figure, 1, lower die；10, lower die holder；11, cavity plate；12, lower template；11a, forming tank；11b, locating slot；2, upper mold；
20, upper die holder；21, punch-pin；22, connecting pole one；23, connecting pole two；3, positioning pin；3a, convex edge；3a1, circular arc chamfering；
3a2, cylindrical portion；4, relief hole；5, workpiece；5a, hole；5b, side.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, this bend punching die, including lower die 1, upper mold 2 and the positioning pin being arranged in lower die 1
3, the upper surface of the lower die 1 offers the forming tank 11a that can be matched with upper mold 2, opens up that there are two fixed in the lower die 1
Position hole 10a and two location hole 10a set up the both sides opposite in forming tank 11a separately, and there are two the tools of the positioning pin 3 and two positioning pins
3 are plugged in corresponding location hole 10a, and the upper end of the positioning pin 3 is protruding upward relative to the upper surface of lower die 1, described fixed
The peripheral surface of position pin 3 upper end has the convex that matches with the hole on workpiece along 3a, the convex along the lower face of 3a with
The upper surface of lower die 1 leans and outer edge of the convex along the upper surfaces 3a has circular arc chamfering 3a1；As shown in figure 5, on described
Mould 2 includes upper die holder 20, punch-pin 21, connecting pole 1 and connecting pole 2 23, one end of the connecting pole 1 and upper die holder
20 lower surface is connected, the upper surface of the other end and punch-pin 21 is connected, and one end of the connecting pole 2 23 is resisted against upper die holder 20
Lower surface on, the other end be resisted against on the upper surface of punch-pin 21, between the connecting pole 1 and connecting pole 2 23 formed allow
Position hole 4.
As shown in fig. 6, workpiece 5 forms side 5b in the equal 90-degree bent in left and right end of bar shaped plate and workpiece 5, have on workpiece 5
There are two hole 5a, two 5a to be symmetrical set on workpiece 5.As shown in Figure 1, workpiece 5 is placed on to the upper surface of cavity plate 11,
Convex on two positioning pins 3 is extended to along 3a respectively in corresponding hole 5a, and workpiece 5 is just positioned on cavity plate 11, punch-pin 21
It moves down and is matched with forming tank 11a to 5 pressing and bending of workpiece, workpiece 5 is sent out in the edge of forming tank 11a upper end openings
Raw bending forms flanging, and hole 5a is located on flanging, and flanging makes the hole 5a on flanging be detached from positioning after first overturning certain angle
Convex edge 3a, when the middle part of workpiece 5 is in contact with the bottom surface of forming tank 11a, 90 ° of the flanging bending of 5 left and right sides of workpiece, two flangings
On hole 5a to neutral higher；In addition, 5 or so side 5b of workpiece is extended in relief hole 4, the outer end face phase of left and right side 5b
Against so that structure annular in shape after 5 bending of workpiece facilitates two sides 5b is subsequent to be welded to connect, then by connecting pole 2 23 from convex
It is extracted between mould 21 and upper die holder 20 so that one end of relief hole 4 has notch, facilitates and unloads workpiece 5 from mold.
As shown in Figure 3 and Figure 4, the lower die 1 includes lower die holder 10 and is detachably secured to the recessed of 10 upper surface of lower die holder
Mould 11, the forming tank 11a are opened in the middle part of 11 upper surface of cavity plate, and two positioning pins 3 set up the both sides opposite in cavity plate 11 separately
And convex leans along the lower face of 3a and the upper surface of cavity plate 11, the lower die holder 10 is offered to match with positioning pin 3
Location hole 10a, the lower end of the positioning pin 3 is plugged in location hole 10a, the side opposite with positioning pin 3 of the cavity plate 11
On offer locating slot 11b, the positioning pin 3 is embedded in locating slot 11b, and the lower die 1 further includes having lower template 12, described
Lower die holder 10 is located at the upper surface of lower template 12 and is connected by fastener and lower template 12, and the lower face of the positioning pin 3 is supported
On the upper surface for leaning against lower template 12.Cavity plate 11 is connect with lower die holder 10 by fastener, can be recessed according to needing replacing for workpiece 5
The size of mould 11 and lower die holder 10, so as to the workpiece 5 suitable for different pitch-rows；The structure by locating slot 11b to positioning pin 3 into
Row positioning, and it is avoided that positioning pin 3 is detached from locating slot 11b again in the lower end setting location hole 10a of positioning pin 3, which makes
Positioning pin 3 positioning stablity and is convenient for changing again in lower die 1.
As shown in Figure 3 and Figure 4, the convex also has the cylindrical portion 3a2 being located on the downside of circular arc chamfering along 3a, states positioning
The height of convex edge 3a is 1-2mm.The peripheral surface of cylindrical portion 3a2 and the hole wall of the hole 5a on workpiece 5 fit, and play positioning workpiece
5 effect, it is 1-2mm which, which so that convex extends to the depth in the hole 5a on workpiece 5 along 3a, both ensure that workpiece 5 existed
Positioning in lower die 1, but after the guarantee generation bending of workpiece 5, the hole 5a on flanging can smoothly be detached from convex along 3a.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although lower die 1, lower die holder 10, cavity plate 11, lower template 12, forming tank 11a, locating slot is used more herein
11b, upper mold 2, upper die holder 20, punch-pin 21, connecting pole 1, connecting pole 2 23, positioning pin 3, convex are along 3a, circular arc chamfering
The terms such as 3a1, cylindrical portion 3a2, relief hole 4, workpiece 5, hole 5a, side 5b, but it does not preclude the possibility of using other terms.
The use of these items is only for more easily describe and explain the essence of the present invention；It is additional to be construed as any type
Limitation all disagreed with spirit of that invention.
Claims (5)
1. a kind of bend punching die, including lower die (1), upper mold (2) and the positioning pin (3) being arranged in lower die (1), under described
The upper surface of mould (1) offers the forming tank (11a) that can be matched with upper mold (2), which is characterized in that on the lower die (1)
It opens up and sets up the both sides opposite in forming tank (11a), the positioning pin (3) separately there are two location hole (10a) and two location holes (10a)
There are two tools and two positioning pins (3) are plugged in corresponding location hole (10a), and the upper end of the positioning pin (3) is relative under
The upper surface of mould (1) is protruding upward, and the peripheral surface of positioning pin (3) upper end has and can determine with what the hole on workpiece matched
Position convex edge (3a), the convex leans along the upper surface of the lower face of (3a) and lower die (1) and convex is along the upper end (3a)
The outer edge in face has circular arc chamfering (3a1).
2. a kind of bend punching die according to claim 1, which is characterized in that the lower die (1) includes lower die holder
(10) and it is detachably secured to the cavity plate (11) of lower die holder (10) upper surface, the forming tank (11a) is opened on cavity plate (11)
The middle part on surface, two positioning pins (3) are set up separately in the opposite both sides of cavity plate (11) and convex is along the lower face of (3a) and cavity plate
(11) upper surface leans, and the location hole (10a) is opened on lower die holder (10), and the lower end of the positioning pin (3) plugs
In location hole (10a), locating slot (11b), the positioning are offered on the cavity plate (11) and the opposite side of positioning pin (3)
Pin (3) is embedded in locating slot (11b).
3. a kind of bend punching die according to claim 1, which is characterized in that the convex also has position along (3a)
Cylindrical portion (3a2) on the downside of circular arc chamfering (3a1).
4. a kind of bend punching die according to claim 1 or 2 or 3, which is characterized in that the convex is along (3a)
Height is 1-2mm.
5. a kind of bend punching die according to claim 1 or 2 or 3, which is characterized in that the upper mold (2) includes
Upper die holder (20), punch-pin (21), connecting pole one (22) and connecting pole two (23), one end of the connecting pole one (22) and upper die holder
(20) lower surface is connected, the upper surface of the other end and punch-pin (21) is connected, and one end of the connecting pole two (23) is resisted against
On the lower surface of die holder (20), the other end be resisted against on the upper surface of punch-pin (21), the connecting pole one (22) and connecting pole two
(23) relief hole (4) is formed between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810278540.4A CN108435959A (en) | 2018-03-30 | 2018-03-30 | A kind of bend punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810278540.4A CN108435959A (en) | 2018-03-30 | 2018-03-30 | A kind of bend punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108435959A true CN108435959A (en) | 2018-08-24 |
Family
ID=63198643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810278540.4A Pending CN108435959A (en) | 2018-03-30 | 2018-03-30 | A kind of bend punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108435959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332452A (en) * | 2018-09-05 | 2019-02-15 | 芜湖福祥模具科技有限公司 | A kind of bending equipment producing stamping die |
| CN115608821B (en) * | 2022-12-20 | 2023-03-14 | 广东碧丽饮水设备有限公司 | Profiling arc machining forming die |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331554A (en) * | 1976-09-06 | 1978-03-24 | Mitsubishi Electric Corp | Cylinder bending device |
| JPS61147932A (en) * | 1984-12-20 | 1986-07-05 | Matsushita Electric Ind Co Ltd | Pressing apparatus |
| JPH11290940A (en) * | 1998-04-15 | 1999-10-26 | Topre Corp | Manufacture of square pipe |
| JP2000167621A (en) * | 1998-12-07 | 2000-06-20 | Nakajima Steel Pipe Co Ltd | Manufacture of square steel tube and device for forming square-shaped steel tube |
| CN202270788U (en) * | 2011-09-30 | 2012-06-13 | 湖北三环锻压设备有限公司 | Adjustable U-shaped dual-round corner square pipe bending mold |
| CN203459522U (en) * | 2013-07-31 | 2014-03-05 | 山东滨奥飞机制造有限公司 | Stamping die suitable for bending of thin plates |
| CN103817230A (en) * | 2012-11-16 | 2014-05-28 | 无锡爱博金属制品有限公司 | Bending die for automobile upper door hinge brackets |
| CN207996951U (en) * | 2018-03-30 | 2018-10-23 | 浙江同心力机电科技有限公司 | A kind of bend punching die |
-
2018
- 2018-03-30 CN CN201810278540.4A patent/CN108435959A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331554A (en) * | 1976-09-06 | 1978-03-24 | Mitsubishi Electric Corp | Cylinder bending device |
| JPS61147932A (en) * | 1984-12-20 | 1986-07-05 | Matsushita Electric Ind Co Ltd | Pressing apparatus |
| JPH11290940A (en) * | 1998-04-15 | 1999-10-26 | Topre Corp | Manufacture of square pipe |
| JP2000167621A (en) * | 1998-12-07 | 2000-06-20 | Nakajima Steel Pipe Co Ltd | Manufacture of square steel tube and device for forming square-shaped steel tube |
| CN202270788U (en) * | 2011-09-30 | 2012-06-13 | 湖北三环锻压设备有限公司 | Adjustable U-shaped dual-round corner square pipe bending mold |
| CN103817230A (en) * | 2012-11-16 | 2014-05-28 | 无锡爱博金属制品有限公司 | Bending die for automobile upper door hinge brackets |
| CN203459522U (en) * | 2013-07-31 | 2014-03-05 | 山东滨奥飞机制造有限公司 | Stamping die suitable for bending of thin plates |
| CN207996951U (en) * | 2018-03-30 | 2018-10-23 | 浙江同心力机电科技有限公司 | A kind of bend punching die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332452A (en) * | 2018-09-05 | 2019-02-15 | 芜湖福祥模具科技有限公司 | A kind of bending equipment producing stamping die |
| CN109332452B (en) * | 2018-09-05 | 2020-01-31 | 芜湖福祥模具科技有限公司 | bending equipment for producing stamping die |
| CN115608821B (en) * | 2022-12-20 | 2023-03-14 | 广东碧丽饮水设备有限公司 | Profiling arc machining forming die |
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