CN211027764U - Local thinning and stretching die - Google Patents
Local thinning and stretching die Download PDFInfo
- Publication number
- CN211027764U CN211027764U CN201921900555.6U CN201921900555U CN211027764U CN 211027764 U CN211027764 U CN 211027764U CN 201921900555 U CN201921900555 U CN 201921900555U CN 211027764 U CN211027764 U CN 211027764U
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- China
- Prior art keywords
- die
- drift
- stretching
- punch
- annular slab
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- 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.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000010008 shearing Methods 0.000 claims description 22
- 238000010409 ironing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a tensile mould of local attenuation. Including the upper die base and the die holder that the cooperation was used, be provided with the stripper between upper die base and the die holder, the upper die base is connected with tensile drift, tensile drift is including the first portion and the second part of connection, the first portion is less than the coupling part of drift part including drift part and the diameter that links to each other, the drift part is connected with an annular slab, the periphery at coupling part is established to the annular slab cover, the recess has been seted up on the annular slab, coupling part separately is equipped with perpendicular groove, the recess links to each other with perpendicular groove, the second partial cover establish coupling part the periphery and with the annular slab links to each other.
Description
Technical Field
The utility model relates to a tensile mould of local attenuation belongs to mould processing technology field.
Background
When the traditional ironing is carried out, the stretching punch is of an integral structure, and when the punch is stretched, stretching oil or gas at the upper part cannot be discharged to the outside of the die, so that the formed size of a product is extremely unstable when the traditional ironing is carried out, and the product can be cracked seriously due to compressed air.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a local thinning and stretching die.
The utility model discloses a realize through following technical scheme:
the utility model provides a tensile mould of local attenuation, includes upper die base and the die holder that the cooperation was used, is provided with the stripper between upper die base and the die holder, the upper die base is connected with tensile drift, tensile drift is including the first part and the second part of connection, the first part is less than the junction of drift part including drift part and the diameter that links to each other, the drift part is connected with an annular slab, the periphery at junction is established to the annular slab cover, set up flutedly on the annular slab, connecting portion separately are equipped with perpendicular groove, the recess links to each other with perpendicular groove, the second partial cover establish at junction's periphery and with the annular slab links to each other.
According to the local thinning and stretching die, the connecting part is provided with a cross groove in a separated mode, and the depth of the cross groove is 0.3-0.6 mm.
The local thinning and stretching die is characterized in that a concave die plate is arranged on the lower die base, a stretching concave die is arranged on the concave die plate, and the stretching concave die is composed of a stretching concave die fixing base and a stretching block cushion block.
The local thinning and stretching die is characterized in that an inner support is arranged below a stretching female die, and a first ejector rod is arranged below the inner support.
The local thinning and stretching die is characterized in that the upper die base is further connected with a shearing punch, and a shearing female die is arranged below the shearing punch.
The local thinning and stretching die is characterized in that the stretching punch and the shearing punch are both fixed on the upper die base, and the stripper is provided with a through groove for the stretching punch and the shearing punch to pass through.
According to the local thinning and stretching die, the upper die base is connected with the stripper plate through the second ejector rod, and the periphery of the second ejector rod is provided with the screw teeth.
The utility model discloses the beneficial effect who reaches:
the utility model discloses a mould falls into two parts with the integral deep-drawing punch of tradition, will be following some location to the product bottom to do the exhaust structure design, the size of product actual need is accomplished to the diameter of above-mentioned some, can obtain more stable product size like this with drawing oil and gas discharge outside the mould when the drift is tensile.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the first part.
Fig. 3 is an enlarged view of fig. 2 at the square frame.
FIG. 4 is a top view of the first section
Fig. 5 is a schematic structural view of the second part.
Fig. 6 is a schematic view of the structure of the drawing punch.
In the figure: 1. the die comprises an upper die base, a fixed plate backing plate, a fixed plate, a shearing punch fixing seat, a die plate backing plate, a stripper plate, a die 7, a shearing punch, 8, a shearing die, 9, a die insert fixing seat, 10, a die plate, 11, a die insert cushion block, 12, a die plate backing plate, 13, a lower die base, 14, a die leg, 15, an inner support, 16, an inner support cushion block, 17, a first ejector rod, 18, a lower support plate, 19, a pressing block, 20, a second ejector rod, 21, a stretching punch fixing seat, 22, a stretching punch fixing block, 23, a stretching punch, 24, a stretching die insert, 25, a stretching die fixing seat, 26, a stretching die cushion block, 27, an inner limiting column, 30, a second part, 31, a punch part, 32, a connecting part, 33, an annular plate, 34, a groove, 35, a vertical.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in the figures, the utility model discloses a tensile mould of local attenuation, including upper die base 1 and the die holder 13 that the cooperation was used, be provided with stripper 6 between upper die base 1 and the die holder 13, upper die base 1 is connected with tensile drift 23, tensile drift 23 is including the first portion and the second portion 30 of connecting, the first portion is less than the coupling part 32 of drift portion 31 including drift portion 31 and the diameter that link to each other, drift portion 31 is connected with an annular slab 33, the periphery at coupling part 32 is established to annular slab 33 cover, seted up recess 34 on the annular slab 33, perpendicular groove 35 has been seted up to coupling part 32, recess 34 links to each other with perpendicular groove 35, second portion 30 cover establish at coupling part 32 the periphery and with annular slab 33 links to each other.
Furthermore, the connecting portion 32 is provided with a cross-shaped groove 36, and the depth of the cross-shaped groove is 0.3-0.6mm, so that air exhaust is facilitated.
Furthermore, a concave mould plate 10 is arranged on the lower mould base 13, a stretching concave mould is arranged on the concave mould plate 10, and the stretching concave mould is composed of a stretching concave mould fixing base 25 and a stretching block cushion block 26. Specifically, the cavity plate 10 is connected with the lower die holder 13 through a cavity plate backing plate 12, and a stretching cavity die insert 24 is arranged on the inner side of the stretching cavity die holder 25.
Furthermore, an inner support 15 is arranged below the stretching female die, a first ejector rod 17 is connected below the inner support 15 through an inner support cushion block 16, the first ejector rod 17 is supported through a lower support plate 18, a die leg 14 is arranged on the lower support plate 18, and the die leg 14 supports the lower die holder 13.
Furthermore, the upper die holder 1 is also connected with a shearing punch 7, and a shearing die 8 is arranged below the shearing punch 7. Specifically, the shearing die 8 comprises a die insert fixing seat 9, and a die insert cushion block 11 is arranged on the inner side of the groove fixing seat 9.
Furthermore, the stretching punch 23 and the shearing punch 7 are both fixed on the upper die base 1, and the stripper 6 is provided with a through groove for the stretching punch 23 and the shearing punch 7 to pass through. Specifically, the upper die holder 1 is connected with a fixing plate 3 through a fixing plate base plate 2, the shearing punch 7 is connected with the fixing plate 3 through a shearing punch fixing seat 4, and the stretching punch 23 is connected with the fixing plate 3 through a stretching punch fixing seat 21. Two pressing blocks 19 are arranged on the fixing plate 3 and are used for limiting the stretching punch 23 and the shearing punch 7 respectively.
Further, the upper die holder 1 is connected with the stripper 6 through a second ejector rod 20, and the periphery of the second ejector rod 20 is provided with a screw thread.
Furthermore, the cavity plate 10 is further provided with an inner limiting column 27.
The utility model discloses a mould is when using, and the material area moves between stripper 6 and die board 10, and tensile drift 23 is along with 1 downstream of upper die base, carries out tensile operation, and tensile completion back, upper die base 1 drive tensile drift 23 and stripper 6 rebound together, and first ejector pin 17 is ejecting with the product, and along with the material area continues to move, cuts drift 7 and moves down along with die holder 1, cuts the product from the material area, drops to bottom plate 18 on, accomplishes whole course of working.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a tensile mould of local attenuation, is provided with the stripper including upper die base and the die holder that the cooperation was used between upper die base and the die holder, characterized by, the upper die base is connected with tensile drift, tensile drift is including the first part and the second part of connection, the first part is less than the coupling part of drift part including drift part and the diameter that link to each other, the drift part is connected with an annular slab, the periphery at coupling part is established to the annular slab cover, the recess has been seted up on the annular slab, coupling part separately is equipped with perpendicular groove, the recess links to each other with perpendicular groove, the second partial cover establish coupling part the periphery and with the annular slab links to each other.
2. The die of claim 1, wherein the connecting portions are each provided with a cross-recess, the cross-recesses having a depth of 0.3-0.6 mm.
3. The die of claim 1, wherein a female die plate is arranged on the lower die holder, a stretching female die is arranged on the female die plate, and the stretching female die is composed of a stretching female die holder and a stretching block cushion block.
4. The die of claim 3, wherein an inner support is arranged below the drawing female die, and the first ejector rod is arranged below the inner support.
5. The die of claim 4, wherein the upper die base is further connected with a shearing punch, and a shearing die is arranged below the shearing punch.
6. The die of claim 5, wherein the drawing punch and the shearing punch are fixed to the upper die base, and the stripper plate has a through slot for the drawing punch and the shearing punch to pass through.
7. The die of claim 6, wherein the upper die base is connected to the stripper plate by a second ejector pin having a thread on an outer periphery thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900555.6U CN211027764U (en) | 2019-11-06 | 2019-11-06 | Local thinning and stretching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900555.6U CN211027764U (en) | 2019-11-06 | 2019-11-06 | Local thinning and stretching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211027764U true CN211027764U (en) | 2020-07-17 |
Family
ID=71561044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900555.6U Expired - Fee Related CN211027764U (en) | 2019-11-06 | 2019-11-06 | Local thinning and stretching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211027764U (en) |
-
2019
- 2019-11-06 CN CN201921900555.6U patent/CN211027764U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |