CN208321850U - Metal sheet bend punching die - Google Patents
Metal sheet bend punching die Download PDFInfo
- Publication number
- CN208321850U CN208321850U CN201821008621.4U CN201821008621U CN208321850U CN 208321850 U CN208321850 U CN 208321850U CN 201821008621 U CN201821008621 U CN 201821008621U CN 208321850 U CN208321850 U CN 208321850U
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- China
- Prior art keywords
- plate
- metal sheet
- pilot hole
- pin
- vertical plate
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- 239000002184 metal Substances 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 28
- 238000004080 punching Methods 0.000 title claims abstract description 19
- 238000005452 bending Methods 0.000 abstract description 9
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A kind of metal sheet bend punching die, including mutually matched punch-pin and cavity plate, upper die holder for connecting with press cope plate is installed at the top of the punch-pin, wherein, it further include fulcrum bearing, directive wheel and lower die holder for being connect with press lower template, there are two the fulcrum bearings, and it is made of crossbeam and vertical plate, crossbeam is at the top of vertical plate, T-shaped structure, the cavity plate is between two fulcrum bearings, the top surface of cavity plate and the top surface flush of vertical plate, the bottom of the vertical plate is on the top surface of lower die holder, there are two the directive wheels, and it is located at the rear and front end of cavity plate top groove, the left and right ends of each directive wheel pass through pin shaft and are respectively hinged in two fulcrum bearings, the periphery wall of two directive wheels concaves, arc-shaped structure.The utility model can effectively avoid scratching its surface, while solving the technical issues of plate is easy to happen curved flat deformation, to greatly improve yields when carrying out bending to metal sheet.
Description
Technical field
The utility model relates to metal sheet Bending Processing fields, are especially a kind of metal sheet bend punching die.
Background technique
In the actual production process, in order to meet the needs of certain products, a large amount of metal sheet is processed to be bent
Shape.Currently, bending punching press is carried out to metal sheet by Bending Mould mostly, in punching course, by punch-pin and cavity plate
Mutual extrusion, force metal sheet generate bending deformation, to achieve the purpose that metal sheet being bent into predetermined shape.So
And the structure of existing bend punching die is usually all very simple, a generally only punch-pin and a groove forms, in addition golden
Belong to plate in bending with certain bend resistance stress, therefore, when punch-pin and cavity plate squeeze metal sheet, the end of groove
It is easy to scratch on the surface of plate；In addition, curved flat deformation also frequently occurs in the draw-texture process of plate, it is bad
Product are more.
Utility model content
The technical problems to be solved in the utility model is to provide one kind when carrying out bending to metal sheet, can be effective
It avoids scratching its surface, while solving the technical issues of plate is easy to happen curved flat deformation, to greatly improve the gold of yields
Belong to plate bend punching die.
The technical solution of the utility model is to provide a kind of metal sheet bending stamping die having following structure
Have, including mutually matched punch-pin and cavity plate, the upper die holder for connecting with press cope plate be installed at the top of the punch-pin,
It wherein, further include fulcrum bearing, directive wheel and the lower die holder for being connect with press lower template, there are two the fulcrum bearings, and
It is made of crossbeam and vertical plate, crossbeam is at the top of vertical plate, T-shaped structure, and the cavity plate is between two fulcrum bearings, cavity plate
Top surface and vertical plate top surface flush, the bottom of the vertical plate is on the top surface of lower die holder, and there are two the directive wheels, and
And it is located at the rear and front end of cavity plate top groove, the left and right ends of each directive wheel pass through pin shaft and are respectively hinged at two branch
It holds on seat, the periphery wall of two directive wheels concaves, arc-shaped structure.
Metal sheet bend punching die described in the utility model, wherein offer on each vertical plate on pin shaft
The top outer wall of the vertical long hole of lower slider, vertical long hole is open, is fitted with support plate in the left and right sidewall of each vertical plate, respectively
It is equipped with the arc shrinkage pool being caught in for pin shaft at the top of support plate, is worn in corresponding support plate at left and right sides of each vertical long hole
Equipped with a bolt, the tail portion of bolt is equipped with hand nutting.
Metal sheet bend punching die described in the utility model, wherein vertically offer guiding in the punch-pin
Hole, upper pilot hole are provided with top pillar and upper helical spring, and the lower part of the upper top pillar is exposed on the external after being pierced by pilot hole, on
The top of top pillar is close to the bottom end of upper helical spring, and the top of upper helical spring is close to the end of upper pilot hole；It is described recessed
Lower pilot hole is vertically offered in groove at the top of mould, lower pilot hole is provided with lower top pillar and lower helical spring, the lower top pillar
Top be pierced by lower pilot hole after be exposed on the external, the bottom end of lower top pillar is close to the top of lower helical spring, lower helical spring
It is close to the end of lower pilot hole bottom end.
Metal sheet bend punching die described in the utility model, wherein the upper top pillar and lower top pillar are rubber
Column.
After using the above structure, compared with prior art, the utility model metal sheet bend punching die has following
Advantage: the utility model is by the way that cavity plate to be mounted between two fulcrum bearings, and each support base is made of crossbeam and vertical plate, horizontal
Beam is at the top of vertical plate, T-shaped structure, and the top surface of cavity plate and the top surface flush of vertical plate additionally distinguish two directive wheels
The rear and front end of groove is set, therefore, when punch-pin presses downward to metal sheet in cavity plate, the both ends of material part and middle radical
It is first contacted with two orienting rolls and male bottom, forms supported at three point and start to produce in the middle part of plate with the slow indentation of punch-pin
Raw concave deformation, and the both ends of plate will be changed into rolling friction with cavity plate end static friction by original, so as to avoid plate
Part surface scratches phenomenon；Continue to push with punch-pin, the bottom of plate will be contacted with cavity plate at first, followed by plate
Front and rear sides are so slowly deformed, to effectively prevent plate during stretching, curved flat deformation occur, mentions significantly
High yields.
Detailed description of the invention
Fig. 1 is stereochemical structure signal when the utility model metal sheet bend punching die convex mould is separated with cavity plate
Figure；
Fig. 2 is the broken section structural schematic diagram of Fig. 1 convex mould and cavity plate.
Specific embodiment
The utility model metal sheet bend punching die is made with reference to the accompanying drawings and detailed description further detailed
It describes in detail bright:
As depicted in figs. 1 and 2, in this embodiment, the utility model metal sheet bend punching die, including
Mutually matched punch-pin 11 and cavity plate 26 further include fulcrum bearing 21, directive wheel 25 and for connecting down with press lower template
Die holder 20, the top of punch-pin 11 are equipped with the upper die holder 10 for connecting with press cope plate.
There are two fulcrum bearings 21, and is made of crossbeam 211 and vertical plate 212.Crossbeam 211 is in T mounted in 212 top of vertical plate
Shape structure；Cavity plate 26 is between two fulcrum bearings 21, the top surface of cavity plate 26 and the top surface flush of vertical plate 212, vertical plate 212
Bottom is on the top surface of lower die holder 20.There are two directive wheels 25, and is located at the rear and front end of 26 top groove of cavity plate,
The left and right ends of each directive wheel 25 pass through pin shaft 251 and are respectively hinged in two fulcrum bearings 21, the periphery of two directive wheels 25
Wall concaves, arc-shaped structure, convenient for being oriented to plate.
The vertical long hole 213 slided up and down for pin shaft 251, the top of vertical long hole 213 are offered on each vertical plate 212
Lateral wall opening 214 facilitates pin shaft 251 to deviate from from the opening 214, to realize the replacement to directive wheel 25.
Support plate 23 is fitted in the left and right sidewall of each vertical plate 212, the top of each support plate 23 is equipped with for pin shaft 251
The arc shrinkage pool being caught in.A bolt 24, bolt are equipped in corresponding support plate 23 at left and right sides of each vertical long hole 213
24 tail portion is equipped with hand nutting 22, the height of directive wheel 25 can be adjusted by rotating hand nutting 22, to meet reality
Border processing needs.
Pilot hole 110 is vertically offered in punch-pin 11, upper pilot hole 110 is provided with top pillar 12 and upper helical spring
13, the lower part of upper top pillar 12 is exposed on the external after being pierced by pilot hole 110, the bottom end on the top of upper top pillar 12 and upper helical spring 13
It is close to, the top of upper helical spring 13 is close to the end of upper pilot hole 110.It is vertically offered down in the groove at 26 top of cavity plate
Pilot hole 261, lower pilot hole 261 are provided with lower top pillar 27 and lower helical spring 28, and the top of lower top pillar 27 is pierced by lower pilot hole
It is exposed on the external after 261, the bottom end of lower top pillar 27 is close to the top of lower helical spring 28, and the bottom end of lower helical spring 28 is led under
It is close to the end in hole 261.By above structure the metal sheet after bending can be ejected automatically, avoided when mold is opened
Plate is stuck in punch-pin 11 or cavity plate 26.
Upper top pillar 12 and lower top pillar 27 are rubber column, can effectively protect the surface of metal sheet, prevent plowing from.
The utility model is by the way that cavity plate 26 to be mounted between two fulcrum bearings 21, and each support base 21 is by crossbeam 211
It is formed with vertical plate 212, crossbeam 211 is mounted in 212 top of vertical plate, T-shaped structure, the top surface of cavity plate 26 and the top surface phase of vertical plate 212
Concordantly, two directive wheels 25 are additionally separately positioned on to the rear and front end of groove 26, therefore, punch-pin 11 by metal sheet to
When being pushed down into cavity plate 26, the both ends and middle part of material part are contacted with two orienting rolls 25 and 11 bottom of punch-pin first, form at 3 points
Support, with the slow indentation of punch-pin 11, start in the middle part of plate generate concave deformation, and the both ends of plate will by it is original with it is recessed
The static friction of mould end is changed into rolling friction, scratches phenomenon so as to avoid plate surface；With under the continuation of punch-pin 11
Pressure, the bottom of plate will contact at first with cavity plate 26, followed by the front and rear sides of plate, so slowly be deformed, thus
It effectively prevents plate during stretching, curved flat deformation occurs, substantially increases yields.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all be fallen into the protection scope of the utility model.
Claims (4)
1. a kind of metal sheet bend punching die, including mutually matched punch-pin (11) and cavity plate (26), the punch-pin (11)
Top the upper die holder (10) for connecting with press cope plate is installed, it is characterised in that: further include fulcrum bearing (21), guiding
(25) and the lower die holder (20) for connecting with press lower template are taken turns, there are two the fulcrum bearings (21), and by crossbeam
(211) and vertical plate (212) composition, crossbeam (211) are mounted in two mounted in vertical plate (212) top, T-shaped structure, the cavity plate (26)
Between a fulcrum bearing (21), the top surface of cavity plate (26) and the top surface flush of vertical plate (212), the bottom dress of the vertical plate (212)
On the top surface of lower die holder (20), there are two the directive wheels (25), and is located at the front and back of cavity plate (26) top groove
Both ends, the left and right ends of each directive wheel (25) pass through pin shaft (251) and are respectively hinged on two fulcrum bearings (21), two guiding
The periphery wall of wheel (25) concaves, arc-shaped structure.
2. metal sheet bend punching die according to claim 1, it is characterised in that: opened on each vertical plate (212)
Equipped with the vertical long hole (213) slided up and down for pin shaft (251), the top outer wall of vertical long hole (213) is open (214), respectively
It is fitted in the left and right sidewall of vertical plate (212) support plate (23), is equipped at the top of each support plate (23) and blocks for pin shaft (251)
The arc shrinkage pool entered is equipped with a bolt (24) on corresponding support plate (23) at left and right sides of each vertical long hole (213),
The tail portion of bolt (24) is equipped with hand nutting (22).
3. metal sheet bend punching die according to claim 2, it is characterised in that: vertically opened in the punch-pin (11)
Equipped with upper pilot hole (110), upper pilot hole (110) is provided with top pillar (12) and upper helical spring (13), the upper top pillar
(12) lower part is exposed on the external after being pierced by pilot hole (110), the top of upper top pillar (12) and the bottom end of upper helical spring (13)
It is close to, the top of upper helical spring (13) is close to the end of upper pilot hole (110)；It is erected in groove at the top of the cavity plate (26)
To offering lower pilot hole (261), lower pilot hole (261) is provided with lower top pillar (27) and lower helical spring (28), the lower top
The top of column (27) is exposed on the external after being pierced by lower pilot hole (261), the top of the bottom end of lower top pillar (27) and lower helical spring (28)
End is close to, and the bottom end of lower helical spring (28) is close to the end of lower pilot hole (261).
4. metal sheet bend punching die according to claim 3, it is characterised in that: upper top pillar (12) He Xiading
Column (27) is rubber column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008621.4U CN208321850U (en) | 2018-06-28 | 2018-06-28 | Metal sheet bend punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008621.4U CN208321850U (en) | 2018-06-28 | 2018-06-28 | Metal sheet bend punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208321850U true CN208321850U (en) | 2019-01-04 |
Family
ID=64785610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821008621.4U Active CN208321850U (en) | 2018-06-28 | 2018-06-28 | Metal sheet bend punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208321850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916684A (en) * | 2021-01-22 | 2021-06-08 | 何天斌 | Stamping type bending mechanism for pipe machining |
-
2018
- 2018-06-28 CN CN201821008621.4U patent/CN208321850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916684A (en) * | 2021-01-22 | 2021-06-08 | 何天斌 | Stamping type bending mechanism for pipe machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Metal plate bending and stamping die Granted publication date: 20190104 Pledgee: Industrial and Commercial Bank of China Limited Jiaxing Xiuzhou Branch Pledgor: JIAXING GAOGEL METAL PRODUCTS LTD. Registration number: Y2024980005476 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |