CN206392704U - A kind of drawing die - Google Patents
A kind of drawing die Download PDFInfo
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- CN206392704U CN206392704U CN201621407992.0U CN201621407992U CN206392704U CN 206392704 U CN206392704 U CN 206392704U CN 201621407992 U CN201621407992 U CN 201621407992U CN 206392704 U CN206392704 U CN 206392704U
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- plate
- drawing die
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- cavity plate
- punch
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Abstract
The utility model is related to technical field of mold, more particularly to a kind of drawing die.Drawing die includes upper bolster and die shoe, the lower surface of the upper bolster is installed with cavity plate, the die shoe is fixed on bottom plate, the upper surface of the die shoe is installed with punch-pin, the cross sectional shape of the punch-pin is trapezoidal, the cavity plate coordinates with the punch-pin, the surrounding of the punch-pin is provided with multiple nitrogen springs, the nitrogen spring is fixedly arranged above flanging coil assembly, the upper surface of the flanging coil assembly is contacted with the lower surface of the cavity plate, the bottom plate is provided with elevating mechanism, and the nitrogen spring is fixed on the elevating mechanism.The height of nitrogen spring can be adjusted by elevating mechanism, so as to change the drawing pressure after cavity plate is moved downward to plate, to adapt to demand of the plate to forming force of unlike material, versatility is preferable.
Description
Technical field
The utility model is related to technical field of mold, more particularly to a kind of drawing die.
Background technology
Drawing is using drawing die under the pressure effect of forcing press, plate blank or hollow process part processing to be made into opening empty
The processing method of heart part.It is one of punching press basic working procedure, be widely used in automobile, electronics, commodity, instrument, aviation and
In the production of the various industrial departments such as space flight, rotating body parts can be not only processed, box-shaped part can be also processed and other
Complex-shaped thin-walled parts, drawing can be divided into not ironing and ironing.Part after the former drawing and forming, Qi Gebu
The wall thickness divided is basically unchanged compared with the blank before drawing；Part after the latter's drawing and forming, its wall thickness and the blank before drawing
It is obvious thinning compared to having, it is this it is thinning be product requirement, the characteristics of it is base thickness that part, which is presented, wall is thin.In actual production,
Using it is more be not ironing.
Mould is drawing die used in drawing.Drawing die structure is relatively simple, is compared with blanking die, and working portion has
Larger fillet, surface quality requirements are high, and clearance between matrix and punch is slightly larger than sheet thickness.Drawing die of the prior art is typically wrapped
Include punch-pin, cavity plate, blank holder and nitrogen spring, nitrogen spring distribution and the surrounding of punch-pin, and the upper end connection of nitrogen spring
There is blank holder.During work, forcing press control cavity plate is moved downward, and being contacted with blank holder compresses the edge of flitch, continues afterwards
Compressed nitrogen spring is moved downward, makes pressure increase of the drawing die to plate, it is ensured that to the shaping of plate in drawing process
Power gradually increases, and is conducive to the abundant deformation of plate, decreasing rebound defect, and cavity plate continues to move downward until bottom dead centre, is completed
Drawing.However, same set of drawing die is identical to the situation of change of the forming force in the drawing process of plate, it is impossible to meet
The plate of unlike material is to the demand of forming force, poor universality.
Utility model content
The purpose of this utility model is to propose a kind of drawing die, can adjust the change of forming force in drawing process,
The plate of practical unlike material, versatility is good.
For up to this purpose, the utility model uses following technical scheme：
A kind of drawing die, including upper bolster and die shoe, the lower surface of the upper bolster are installed with cavity plate, the lower mould
Seat is fixed on bottom plate, and the upper surface of the die shoe is installed with punch-pin, and the cross sectional shape of the punch-pin is trapezoidal, the cavity plate
Coordinate with the punch-pin, the surrounding of the punch-pin is provided with multiple nitrogen springs, the nitrogen spring is fixedly arranged above pressure
Flange component, the upper surface of the flanging coil assembly is contacted with the lower surface of the cavity plate, and the bottom plate is provided with elevating mechanism,
The nitrogen spring is fixed on the elevating mechanism.
Wherein, the flanging coil assembly includes the blank holder and support member being sequentially placed from top to bottom.
Wherein, the elevating mechanism includes lifting platform and transmission mechanism, the output end of the transmission mechanism and the lifting
Platform is connected, and to control the lifting platform height change, the nitrogen spring is fixed on the lifting platform.
Wherein, multiple nitrogen springs are uniformly fixed on the lifting platform in a ring.
Wherein, the transmission mechanism is hydraulic cylinder, screw-nut body or worm-and-wheel gear.
Wherein, in the upper bolster and the die shoe, any one is provided with the first guide plate, and another is provided with first
Spigot surface, first guide plate and the first spigot surface sliding contact；Or any one is provided with the first slide rail, another is convexly equipped with
First sliding block, first slide rail and the first sliding block slidable connection.
Wherein, in the die shoe and the flanging coil assembly, any one is provided with the second guide plate, and another is provided with
Second spigot surface, second guide plate and the second spigot surface sliding contact；Or any one is provided with the second slide rail, another is convex
Provided with the second sliding block, second slide rail and the second sliding block slidable connection.
Wherein, in addition to shedding mechanism, the shedding mechanism includes spring and charging ram, the cavity plate by following table upwardly
Fixing hole is offered, one end of the spring is stretched into the fixing hole, and the other end of the spring is fixedly connected with the pusher
Bar, the end of the charging ram can retract therewith the compression of the spring or stretch and protrude from the end face of the cavity plate.
Wherein, in addition to forcing press, the forcing press is connected with the upper bolster, moved down with driving on the upper bolster
It is dynamic.
Beneficial effect：The utility model provides a kind of drawing die, including upper bolster and die shoe, the upper bolster
Lower surface is installed with cavity plate, and the die shoe is fixed on bottom plate, and the upper surface of the die shoe is installed with punch-pin, the punch-pin
Cross sectional shape to be trapezoidal, the cavity plate coordinates with the punch-pin, and the surrounding of the punch-pin is provided with multiple nitrogen springs, institute
That states nitrogen spring is fixedly arranged above flanging coil assembly, and the upper surface of the flanging coil assembly and the lower surface of the cavity plate connect
Touch, the bottom plate is provided with elevating mechanism, and the nitrogen spring is fixed on the elevating mechanism.It can be adjusted by elevating mechanism
The height of nitrogen spring, so as to change the drawing pressure after cavity plate is moved downward to plate, with adapt to the plate of unlike material into
The demand of type power, versatility is preferable.
Brief description of the drawings
Fig. 1 is the structural representation for the drawing die that the utility model embodiment 1 is provided；
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Wherein：
1st, upper bolster；11st, cavity plate；2nd, die shoe；21st, punch-pin；3rd, bottom plate；4th, blank holder；5th, nitrogen spring；61st, lift
Platform；62nd, transmission mechanism；71st, spring；72nd, charging ram.
Embodiment
To make the utility model technical problem solved, the technical scheme used and the technique effect reached clearer,
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Embodiment 1
As Figure 1-Figure 2, a kind of drawing die, including upper bolster 1 and die shoe 2 are present embodiments provided, upper bolster 1
Lower surface is installed with cavity plate 11, and die shoe 2 is fixed on bottom plate 3, and the upper surface of die shoe 2 is installed with punch-pin 21, cavity plate 11 with
Punch-pin 21 coordinates deep drawing of sheet into predetermined shape, and the surrounding of punch-pin 21 is provided with multiple nitrogen springs 5, nitrogen spring 5
Upper end be fixed with flanging coil assembly, the upper surface of flanging coil assembly is contacted with the lower surface of cavity plate 11, and bottom plate 3 is provided with lifting
Mechanism, nitrogen spring 5 is fixed on elevating mechanism.
Relative to prior art, the drawing die that the present embodiment is provided can adjust the height of nitrogen spring 5 by elevating mechanism
Degree, so that change the drawing pressure after cavity plate 11 is moved downward to plate, to adapt to demand of the plate to forming force of unlike material,
Versatility is preferable.Specifically, elevating mechanism includes lifting platform 61 and transmission mechanism 62, the output end of transmission mechanism 62 and lifting
Platform 61 is connected, and to control the height change of lifting platform 61, nitrogen spring 5 is fixed on lifting platform 61.During making cavity plate 11 descending
Uniform to the pressure at the edge of plate after compressed nitrogen spring 5, multiple nitrogen springs 5 can uniformly be fixed on lifting in a ring
Platform 61, makes cavity plate 11 be evenly distributed with flanging coil assembly to the thrust of slab edge, prevents that plate fold or compression are insecure,
Improve the surface quality of product after shaping.Transmission mechanism 62 can be hydraulic cylinder, screw-nut body or worm-and-wheel gear, and
Transmission mechanism 62 has auto-lock function, after the height for adjusting lifting platform 61, it is ensured that lifting platform 61 will not automatic fall-back, raising lifting
The reliability of body function.Flanging coil assembly includes blank holder 4 and support member, and blank holder 4 can be directly fixed on nitrogen spring 5
Top, the bullet of multiple nitrogen springs 5 can also be made as shown in figure 1, increase support member between blank holder 4 and nitrogen spring 5
Power is uniformly distributed in blank holder 4 by support member, is conducive to being better protected from slab edge fold.
Drawing die in the present embodiment also includes forcing press, and forcing press is connected with upper bolster 1, to drive on upper bolster 1
Lower movement.When heightening 61 height of lifting platform, in the case where the down stroke of cavity plate 11 is constant, cavity plate 11 is compressed after blank holder 4
During compressed nitrogen spring 5, nitrogen spring 5 increases the spring resistance of cavity plate 11, so as to increase the forming force of plate；When reduction rises
When dropping 61 height of platform, in the case where the down stroke of cavity plate 11 is constant, when cavity plate 11 compresses compressed nitrogen spring 5 after blank holder 4,
Nitrogen spring 5 reduces to the spring resistance of cavity plate 11, so as to reduce the forming force of plate.Lifting platform 61 is adjusted by elevating mechanism
Height change, can reach in adjustment drawing process to the forming force of plate, so as to improve the versatility of drawing die.
To ensure that upper bolster 1 runs smooth, zero deflection, the drawing that the present embodiment is provided during down stroke and up stroke
In upper bolster 1 and die shoe 2 in mould, any one can be provided with the first guide plate, and another is provided with the first spigot surface,
First guide plate and the first spigot surface sliding contact, guiding is played a part of to upper bolster 1；It can also be upper bolster 1 and lower mould
In seat 2, any one is provided with the first slide rail, and another is convexly equipped with the first sliding block, the first slide rail and the first sliding block slidable connection,
In 1 upstream or downstream of upper bolster, the first sliding block is slided in the first slide rail, is prevented the operation of upper bolster 1 from deviation occur, is caused plate
Material is molded inaccurate, rate of effectively reducing the number of rejects and seconds.
Similarly, recovered in the course of the work by the pressure of cavity plate 11 or the elasticity of nitrogen spring 5 for guarantee flanging coil assembly
Power effect is lower to be run in smooth, zero deflection, die shoe 2 and flanging coil assembly, and any one can be provided with the second guide plate, another
It is individual to be provided with the second spigot surface, the second guide plate and the second spigot surface sliding contact；It can also be die shoe 2 and flanging coil assembly
In, any one is provided with the second slide rail, and another is convexly equipped with the second sliding block, the second slide rail and the second sliding block slidable connection, right
Flanging coil assembly plays a part of guiding.
In addition, the drawing die that the present embodiment is provided also includes shedding mechanism, shedding mechanism includes spring 71 and charging ram 72,
Cavity plate 11 offers upwardly fixing hole by following table, and one end of spring 71 is stretched into fixing hole, and the other end of spring 71, which is fixed, to be connected
Connect charging ram 72, the end of charging ram 72 can with the compression or stretching, extension of spring 71 end for retracting or protruding from cavity plate 11
Face.When drawing terminates the motion upwards under the drive of upper bolster 1 of cavity plate 11, sheet metal forming is probably due to be bonded at the reason for pressure
On the end face of cavity plate 11, now, charging ram 72 is in the presence of the restoring force of spring 71, and the end of charging ram 72 will stretch out cavity plate
11 end face, and thrust is produced to the plate for sticking at the surface of cavity plate 11, so as to complete discharging.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, it will change in specific embodiments and applications, this specification content should not be construed as
To limitation of the present utility model.
Claims (9)
1. a kind of drawing die, it is characterised in that including upper bolster (1) and die shoe (2), the lower surface of the upper bolster (1)
Cavity plate (11) is installed with, the die shoe (2) is fixed on bottom plate (3), and the upper surface of the die shoe (2) is installed with punch-pin
(21), the cross sectional shape of the punch-pin (21) is trapezoidal, and the cavity plate (11) coordinates with the punch-pin (21), the punch-pin (21)
Surrounding be provided with multiple nitrogen springs (5), the nitrogen spring (5) is fixedly arranged above flanging coil assembly, the flanging
The upper surface of coil assembly is contacted with the lower surface of the cavity plate (11), and the bottom plate (3) is provided with elevating mechanism, the nitrogen bullet
Spring (5) is fixed on the elevating mechanism.
2. drawing die as claimed in claim 1, it is characterised in that the flanging coil assembly includes being sequentially placed from top to bottom
Blank holder (4) and support member.
3. drawing die as claimed in claim 2, it is characterised in that the elevating mechanism includes lifting platform (61) and driver
Structure (62), the output end of the transmission mechanism (62) is connected with the lifting platform (61), to control the lifting platform (61) height
Change, the nitrogen spring (5) is fixed on the lifting platform (61).
4. drawing die as claimed in claim 3, it is characterised in that multiple nitrogen springs (5) are uniform fixed in a ring
In the lifting platform (61).
5. drawing die as claimed in claim 4, it is characterised in that the transmission mechanism (62) is hydraulic cylinder, feed screw nut
Mechanism or worm-and-wheel gear.
6. the drawing die as described in claim any one of 1-5, it is characterised in that the upper bolster (1) and the die shoe
(2) in, any one is provided with the first guide plate, and another is provided with the first spigot surface, and first guide plate and first are oriented to
Face sliding contact；Or any one is provided with the first slide rail, another is convexly equipped with the first sliding block, first slide rail and the first sliding block
Slidable connection.
7. drawing die as claimed in claim 6, it is characterised in that in the die shoe (2) and the flanging coil assembly, appoints
One is provided with the second guide plate, and another is provided with the second spigot surface, and second guide plate is slided with the second spigot surface and connect
Touch；Or any one is provided with the second slide rail, another is convexly equipped with the second sliding block, and second slide rail slidably connects with the second sliding block
Connect.
8. the drawing die as described in claim any one of 1-5, it is characterised in that also including shedding mechanism, the unloader
Structure includes spring (71) and charging ram (72), and the cavity plate (11) offers upwardly fixing hole, the spring (71) by following table
One end stretch into the fixing hole, the other end of the spring (71) is fixedly connected with the charging ram (72), the charging ram
(72) end can retract with the compression of the spring (71) or stretch and protrude from the end face of the cavity plate (11).
9. the drawing die as described in claim any one of 1-5, it is characterised in that also including forcing press, the forcing press with
Upper bolster (1) connection, to drive the upper bolster (1) to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621407992.0U CN206392704U (en) | 2016-12-21 | 2016-12-21 | A kind of drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621407992.0U CN206392704U (en) | 2016-12-21 | 2016-12-21 | A kind of drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206392704U true CN206392704U (en) | 2017-08-11 |
Family
ID=59511333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621407992.0U Active CN206392704U (en) | 2016-12-21 | 2016-12-21 | A kind of drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206392704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435886A (en) * | 2018-01-25 | 2018-08-24 | 东莞市天合机电开发有限公司 | A kind of removable door shape bending plate punch mechanism |
| CN117019989A (en) * | 2023-10-08 | 2023-11-10 | 江苏迅隆电源有限公司 | Aluminum alloy casting stamping equipment with alternating stress mode |
-
2016
- 2016-12-21 CN CN201621407992.0U patent/CN206392704U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435886A (en) * | 2018-01-25 | 2018-08-24 | 东莞市天合机电开发有限公司 | A kind of removable door shape bending plate punch mechanism |
| CN117019989A (en) * | 2023-10-08 | 2023-11-10 | 江苏迅隆电源有限公司 | Aluminum alloy casting stamping equipment with alternating stress mode |
| CN117019989B (en) * | 2023-10-08 | 2023-12-15 | 江苏迅隆电源有限公司 | Aluminum alloy casting stamping equipment with alternating stress mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221209 Address after: Zhoubang Village, Huaxin Town, Qingpu District, Shanghai 200000 Patentee after: SHANGHAI XINHONG Co.,Ltd. Address before: 215331 North of Jinrong Road, Jinxi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN XINHONG ENTERPRISE MACHINERY MANUFACTURING Co.,Ltd. |