CN208033448U - Cold extrusion deep-drawing structure - Google Patents
Cold extrusion deep-drawing structure Download PDFInfo
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- CN208033448U CN208033448U CN201820259257.2U CN201820259257U CN208033448U CN 208033448 U CN208033448 U CN 208033448U CN 201820259257 U CN201820259257 U CN 201820259257U CN 208033448 U CN208033448 U CN 208033448U
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- clamp plate
- plate
- cavity plate
- fixed
- cold extrusion
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Abstract
The utility model provides cold extrusion deep-drawing structure, is upward through upper clamp plate at the top of draw punch and is fixed on the upper surface of upper clamp plate, the bottom of draw punch is hanging；Limited post is fixed on the bottom of upper clamp plate；It is fixed on lower clamp plate and stretches cavity plate and at least two spacer pins, discharging spring is arranged on spacer pin, the other end of spacer pin is upward through stripper, through hole is provided on stripper, the through hole and draw punch, stretching cavity plate are coaxial, it is stretched using by draw punch, simultaneously by providing a rigidity downward power to workpiece flange face, downward power is provided to material bottom also provide a downward power in part top simultaneously by draw punch, the power for reducing feature bottom avoids reduction station and bottom is caused to tear.
Description
Technical field
The utility model relates generally to Stamping Die Technology field more particularly to cold extrusion deep-drawing structure.
Background technology
Traditional moulds draw material to stretching in concave die cavity in downward stretch, by draw punch, and material is along drawing
Deep concave die cavity is downward and flows inwardly.The work that could complete tradition by multistep drawing is generally required in the design process
Skill is by part dimension and press bolster size constraint, it is necessary to reduce drawing station, but reduce drawing station to lead to work step again
Between part deformation is too fast that bottom is caused to tear.
Utility model content
The utility model provides cold extrusion deep-drawing structure, reduces the power of feature bottom, avoids reduction station and cause
Bottom is torn, to achieve the goals above, using following technical scheme：This provides cold extrusion deep-drawing structure in embodiment：
Including：Upper die component, lower mold assemblies, upper die component include：Draw punch, limited post, upper die holder, upper padding plate, upper clamp plate, it is described
Upper die holder, upper padding plate and upper clamp plate set gradually and are fixed as one from top to bottom, i.e.,：Upper padding plate is fixed on the bottom of upper die holder
Portion, upper clamp plate are fixed on the bottom of upper padding plate；It is upward through upper clamp plate at the top of the draw punch and is fixed on the upper of upper clamp plate
The bottom on surface, draw punch is hanging；The limited post is fixed on the bottom of upper clamp plate；
Lower mold assemblies are located at the lower section of upper die component, and lower mold assemblies include：Stripper, stretches cavity plate, lower folder at discharging spring
Lower bolster is fixed in the upper surface of plate, lower bolster, lower die holder, the lower die holder, and lower clamp plate, institute are fixed in the upper surface of the lower bolster
It states to be fixed on lower clamp plate and stretches cavity plate and at least two spacer pins, discharging spring is arranged on the spacer pin, spacer pin
The other end is upward through stripper, and through hole is provided on the stripper, and the through hole and draw punch, stretching cavity plate are coaxial.
Preferably, the company that three is realized in the bottom of upper die holder is locked between upper clamp plate, upper padding plate by upward bolt
Connect fixation.
Preferably, the top of the draw punch is fixed by screw and upper clamp plate, and the small head end of the screw is downwards successively
The top of draw punch is placed in after upper die holder, upper padding plate.
Preferably, upper clamp plate, upper padding plate inside be also provided at least two pilot holes, the pilot hole and spacer pin are coaxial,
The upper end of spacer pin can be pierced by stripper and enter in pilot hole.
Preferably, the height of the limited post is less than the length of the hanging section of draw punch, and the limited post is provided at least
Two, the upper end of spacer pin enters in pilot hole, and the limit of displacement, at least two limited post are carried out using the limited post
It is distributed in the outlet of draw punch, at least two limited post is locked by bolt in the bottom of upper clamp plate.
Preferably, it is bolted between lower clamp plate, lower bolster, lower die holder three, i.e.,：The small head end of bolt successively to
Under across lower clamp plate, lower bolster, after be fixed on the inside of lower die holder, realize being connected and fixed for three.
Preferably, further include having cavity plate mounting base and limited block, the bottom of the limited block is installed on inside lower clamp plate, institute
Cavity plate mounting base is stated inside limited block and the bottom of cavity plate mounting base is also embedded in inside lower clamp plate, the cavity plate mounting base
Height is less than the height of limited block, forms a limit chamber therebetween, the bottom for stretching cavity plate is fixed on cavity plate mounting base top
Portion, the lateral surface for stretching cavity plate are fixed on the inside of limited block.
Preferably, stretch cavity plate, cavity plate mounting base inside be provided with coaxial through hole, which is embedded with slidably
Apical axis.
Preferably, further include having Rectangular Spring, the bottom of apical axis, Rectangular Spring are connected at the top of the Rectangular Spring
Bottom is fixed on after passing through lower clamp plate, lower bolster, lower die holder on the bolt inside lower die holder.
The beneficial effects of the utility model：In present patent application, part, which is placed on, to be stretched on cavity plate, upper die component downlink,
Draw punch moves downward with the downlink of lower die holder and the through hole inside stripper is passed through to move；After to a certain extent,
Limited post is contacted with stripper, and upper die component continues traveling downwardly at this time, and discharging spring is compressed by after downward pressure, upper die component
It continues traveling downwardly, draw punch and feature contacts, stripper follows upper die component continuation, and downlink, punch start part is downward together
It stretches to enter and stretch in cavity plate, at this time since feature bottom is shunk, part height starts to get higher, and part flange face touches discharging
Plate；Upper die component continues traveling downwardly, and draw punch is by contacting stretching downwards with feature bottom, while stripper gives workpiece flange face
There is provided a rigidity downward power, part be pushed downwardly into stretching cavity plate, mold continues traveling downwardly, mold close it is dead, part completely into
Enter and stretch cavity plate, completes drawing and forming；Then mold uplink, part uplink with the uplink of draw punch are positioned when to one
It sets, part is released, stretched using by draw punch, while by providing a rigidity downward power to workpiece flange face,
Downward power is provided to material bottom by draw punch and also provide a downward power in part top simultaneously, reduce zero
The power of part bottom avoids reduction station and bottom is caused to tear.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model, is specifically the status diagram for belonging to opening state；
Fig. 2 is the status diagram in closed state；
In figure,
1, draw punch；2, limited post；3, stripper；4, discharging spring；5, cavity plate is stretched；
6, upper die holder；7, upper padding plate；8, upper clamp plate；9, lower clamp plate；10, lower bolster；11, lower die holder；12, spacer pin；13,
Rectangular Spring；14, cavity plate mounting base；15, apical axis；16, limited block；17, pilot hole.
Specific implementation mode
As shown in Figure 1, present patent application provides cold extrusion deep-drawing structures：Including：Upper die component, lower mold assemblies, upper mold
Component includes：Draw punch 1, limited post 2, upper die holder 6, upper padding plate 7, upper clamp plate 8, the upper die holder 6, upper padding plate 7 and on
Clamping plate 8 sets gradually and is fixed as one from top to bottom, i.e.,：Upper padding plate 7 is fixed on the bottom of upper die holder 6, upper clamp plate 8 is fixed on
The bottom of upper padding plate 7；1 top of the draw punch is upward through upper clamp plate 8 and is fixed on the upper surface of upper clamp plate 8, stretches punching
First 1 bottom is hanging；The limited post 2 is fixed on the bottom of upper clamp plate 8；
Lower mold assemblies are located at the lower section of upper die component, and lower mold assemblies include：Stripper 3, discharging spring 4, stretch cavity plate 5,
Lower bolster 10, the upper table of the lower bolster 10 are fixed in the upper surface of lower clamp plate 9, lower bolster 10, lower die holder 11, the lower die holder 11
Lower clamp plate 9 is fixed in face, is fixed on the lower clamp plate 9 and is stretched cavity plate 5 and at least two spacer pins 12, covered on the spacer pin 12
Equipped with discharging spring 4, the other end of spacer pin 12 is upward through stripper 3, is provided with through hole on the stripper 3, this runs through
Hole and draw punch 1, stretching cavity plate 5 are coaxial.
Preferably, it is locked in the bottom of upper die holder 6 by upward bolt between upper clamp plate 8, upper padding plate 7, realizes three
Be connected and fixed.
Preferably, the top of the draw punch 1 is fixed by screw and upper clamp plate 8, the small head end of the screw downwards according to
The secondary top that draw punch 1 is placed in after upper die holder 6, upper padding plate 7.
Preferably, upper clamp plate 8, upper padding plate 7 inside be also provided at least two pilot holes 17, the pilot hole 17 and spacer pin
12 is coaxial, and the upper end of spacer pin 12 can be pierced by stripper 3 and enter in pilot hole 17.
Preferably, the height of the limited post 2 be less than 1 hanging section of draw punch length, the limited post be provided with to
Few two, the upper end of spacer pin 12 enters in pilot hole 17, carries out the limit of displacement using the limited post 2, and described at least two
A limited post 2 is distributed in the outlet of draw punch 1, and at least two limited post 2 is locked by bolt at the bottom of upper clamp plate 8
Portion.
Preferably, it is bolted between lower clamp plate 9, lower bolster 10,11 three of lower die holder, i.e.,：The small head end of bolt
Be passed down through successively lower clamp plate 9, lower bolster 10, after be fixed on the inside of lower die holder 11, realize being connected and fixed for three.
Preferably, further include having cavity plate mounting base 14 and limited block 16, the bottom of the limited block 16 is installed on lower clamp plate 9
Inside, the cavity plate mounting base 14 are also embedded in inside lower clamp plate 9 embedded in the bottom of 16 inside of limited block and cavity plate mounting base 14, institute
The height for stating cavity plate mounting base 14 is less than the height of limited block 16, forms a limit chamber therebetween, stretches the bottom of cavity plate 5
It is fixed on 14 top of cavity plate mounting base, the lateral surface of stretching cavity plate 5 is fixed on the inside of limited block 16.
Preferably, stretch cavity plate 5, cavity plate mounting base 14 inside be provided with coaxial through hole, which is embedded with can
The apical axis 15 of sliding.
Preferably, further include having Rectangular Spring 13, the top of the Rectangular Spring 13 is connected to the bottom of apical axis 15, rectangle
The bottom of spring 13 is fixed on after passing through lower clamp plate 9, lower bolster 10, lower die holder 11 on the bolt inside lower die holder 11.
Cold extrusion stretching is carried out using above-mentioned apparatus, process is as shown in Figure 1 and Figure 2, and part, which is placed on, to be stretched on cavity plate 5,
Upper die component downlink, draw punch 1 move downward with the downlink of lower die holder 6 and the through hole inside stripper 3 are passed through to transport
It is dynamic；After to a certain extent, limited post 2 is contacted with stripper 3, and upper die component continues traveling downwardly at this time, and discharging spring 4 is by downward
It is compressed after pressure, upper die component continues traveling downwardly, draw punch 1 and feature contacts, and stripper 3 follows upper die component to continue one and removes
Row, punch, which starts to pull down part to extend into, to be stretched in cavity plate 5, and at this time since feature bottom is shunk, part height starts to become
Height, part flange face touch stripper 3；Upper die component continues traveling downwardly, and draw punch 1 is pulled down by being contacted with feature bottom
Stretch, while stripper gives workpiece flange face to provide a rigidity downward power, part be pushed downwardly into and stretches cavity plate 5, mold after
Continuous downlink, mold close extremely, and part completes drawing and forming completely into cavity plate 5 is stretched；Part is in deformation process, part height
It gets higher, stripper 3 and feature contacts, generates the downward power of a rigidity, reduce feature bottom stress, feature bottom is avoided to open
It splits.
Then mold uplink, part uplink with the uplink of draw punch 1, when to certain position, part is released.
The principles and effects of present patent application are only illustrated in above-described embodiment, not for limitation this patent Shen
Please.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to present patent application
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of present patent application
It is refreshing to be covered with all equivalent modifications completed under technological thought or change, the claim that asked by this patent.
Claims (7)
1. cold extrusion deep-drawing structure, including：Upper die component, lower mold assemblies, upper die component include：Draw punch（1）, limited post
（2）, upper die holder（6）, upper padding plate（7）, upper clamp plate（8）, the upper die holder（6）, upper padding plate（7）And upper clamp plate（8）On to
Under set gradually and be fixed as one；Lower mold assemblies are located at the lower section of upper die component, and lower mold assemblies include：Stripper（3）, discharging
Spring（4）, stretch cavity plate（5）, lower clamp plate（9）, lower bolster（10）, lower die holder（11）, lower clamp plate（9）, lower bolster（10）, lower die
Seat（11）It is arranged from top to bottom and is fixedly connected；It is characterized in that:The draw punch（1）Top is upward through upper clamp plate（8）
And it is fixed on upper clamp plate（8）Upper surface, draw punch（1）Bottom it is hanging；The limited post（2）It is fixed on upper clamp plate（8）
Bottom；The lower clamp plate（9）On be fixed with stretching cavity plate（5）With at least two spacer pins（12）, the spacer pin（12）On
It is arranged with discharging spring（4）, spacer pin（12）The other end be upward through stripper（3）, the stripper（3）On be provided with and run through
Hole, the through hole and draw punch（1）, stretch cavity plate（5）Coaxially.
2. cold extrusion deep-drawing structure according to claim 1, it is characterised in that:Further include having Rectangular Spring（13）, rectangle
Spring（13）Bottom be fixed on lower die holder（11）On internal bolt, Rectangular Spring（13）Top pass through lower bolster（10）,
Lower clamp plate（9）Afterwards with apical axis（15）Connection.
3. cold extrusion deep-drawing structure according to claim 2, it is characterised in that:Stretch cavity plate（5）Inside be provided with perforation
Hole, apical axis（15）In the through hole and it can slide up and down.
4. cold extrusion deep-drawing structure according to claim 3, it is characterised in that:Further include having cavity plate mounting base（14）, draw
Stretch cavity plate（5）Bottom be installed on cavity plate mounting base（14）On, cavity plate mounting base（14）Bottom be embedded in lower clamp plate（9）Inside,
Cavity plate mounting base（14）Inside be provided with stretch cavity plate（5）Same axis through hole.
5. cold extrusion deep-drawing structure according to claim 4, it is characterised in that:Further include having limited block（16）, the limit
Position block（16）Bottom be installed on lower clamp plate（9）Inside, the cavity plate mounting base（14）Embedded in limited block（16）It is internal and described
Cavity plate mounting base（14）Height be less than limited block（16）Height, therebetween formed a limit chamber, stretch cavity plate（5）'s
Lateral surface is fixed on limited block（16）Inside.
6. cold extrusion deep-drawing structure according to claim 1, it is characterised in that:Upper clamp plate（8）, upper padding plate（7）Inside
Also it is provided at least two pilot holes（17）, the pilot hole（17）With spacer pin（12）Coaxially, spacer pin（12）Upper end can wear
Go out stripper（3）Enter pilot hole（17）It is interior.
7. cold extrusion deep-drawing structure according to claim 1, it is characterised in that:The limited post（2）Height less than draw
Stretch punch（1）The length of hanging section, the limited post are provided at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259257.2U CN208033448U (en) | 2018-02-14 | 2018-02-14 | Cold extrusion deep-drawing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820259257.2U CN208033448U (en) | 2018-02-14 | 2018-02-14 | Cold extrusion deep-drawing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033448U true CN208033448U (en) | 2018-11-02 |
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ID=63949309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820259257.2U Active CN208033448U (en) | 2018-02-14 | 2018-02-14 | Cold extrusion deep-drawing structure |
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| CN (1) | CN208033448U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899446A (en) * | 2019-11-27 | 2020-03-24 | 珠海蓝冠电子科技有限公司 | Cold forging and stretching method and die for charger shell |
| CN111318618A (en) * | 2020-03-12 | 2020-06-23 | 张军堂 | Stamping die convenient to drawing of patterns |
| CN113857382A (en) * | 2021-11-16 | 2021-12-31 | 江苏华富特诺智能科技有限公司 | Stripper and product separation mechanism of continuous stamping die system |
-
2018
- 2018-02-14 CN CN201820259257.2U patent/CN208033448U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899446A (en) * | 2019-11-27 | 2020-03-24 | 珠海蓝冠电子科技有限公司 | Cold forging and stretching method and die for charger shell |
| CN111318618A (en) * | 2020-03-12 | 2020-06-23 | 张军堂 | Stamping die convenient to drawing of patterns |
| CN113857382A (en) * | 2021-11-16 | 2021-12-31 | 江苏华富特诺智能科技有限公司 | Stripper and product separation mechanism of continuous stamping die system |
| CN113857382B (en) * | 2021-11-16 | 2023-11-21 | 江苏华富特诺智能科技有限公司 | Continuous stamping die system stripper plate and product disengaging mechanism |
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