CN207954619U - A kind of mold with quick exhaust function - Google Patents
A kind of mold with quick exhaust function Download PDFInfo
- Publication number
- CN207954619U CN207954619U CN201820271817.6U CN201820271817U CN207954619U CN 207954619 U CN207954619 U CN 207954619U CN 201820271817 U CN201820271817 U CN 201820271817U CN 207954619 U CN207954619 U CN 207954619U
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- air
- lower die
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- fixed plate
- wall
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Abstract
The utility model discloses a kind of molds with quick exhaust function, including upper die body and lower mold body, the lower mold body includes lower template and fixed plate, the fixed plate is fixed on the top surface of lower template, the lower die mounting hole of several proper alignments is offered in fixed plate, lower die is mounted in the lower die mounting hole, lower mode cavity is offered at the top of the lower die, air discharge duct is offered at the inner corner trim of lower die cavity wall, air discharge duct is connected to the air flue inside lower die, the lower air drain being connected to air flue inside lower die is offered in lower die plate top surface, the lower air drain forms exhaust passage with lower die and fixed plate bottom surface, several gas vents for running through lower template up and down are further opened in lower template, gas vent is connected to lower air drain；The utility model is improved the exhaust structure of lower die, by Quick air-discharge so that forming larger negative pressure in lower mode cavity, completes the pre-stretching to sheet material before sheet material cooling by the draught head of upper and lower die cavity, ensures the quality of product.
Description
Technical field
The utility model is related to a kind of sheet heat forming mold, specifically a kind of mold with quick exhaust function.
Background technology
When sheet heat forming, needing to stretch sheet material, the shape after being shaped after being allowed to is consistent with the shape of design, but
During realizing molding due to sheet material is quickly cooled down and stretches deficiency etc., it can cause to be molded situation not in place；In order to
Sheet forming in place current common practice be stretch and blowing has the mode of combination to carry out, applicant by analysis at present some at
Type reason not in place mainly due to the long sheet material cooling of molding time in drawing process, thus cause bending part stretch less than
Position, it is therefore desirable to accelerate molding speed.
Utility model content
The purpose of this utility model is to provide a kind of mold with quick exhaust function, to the exhaust structure of lower die into
Row improves, and accelerates exhaust velocity and passes through the draught head of upper and lower die cavity by Quick air-discharge so that forming larger negative pressure in lower mode cavity
The pre-stretching to sheet material is completed before sheet material cooling, so that it is guaranteed that sheet forming in place, ensures the quality of product.
Following technical scheme is used to achieve the above object：
A kind of mold with quick exhaust function, including upper die body and lower mold body, it is characterised in that：The lower mold body
Including lower template and fixed plate, the fixed plate is fixed on the top surface of lower template, and it is neat that several are offered in fixed plate
The lower die mounting hole of arrangement is mounted on lower die in the lower die mounting hole, lower mode cavity is offered at the top of the lower die,
Air discharge duct is offered at the inner corner trim of lower die cavity wall, air discharge duct is connected to the air flue inside lower die, is opened up in lower die plate top surface
There are the lower air drain being connected to air flue inside lower die, the lower air drain to form exhaust passage with lower die and fixed plate bottom surface,
Several gas vents for running through lower template up and down are further opened in lower template, gas vent is connected to lower air drain.
The lower die includes lower mould body, the lower die inner wall of the hole installing of the lower die body upper part outer wall and fixed plate
It is fitted close, there are annular gap, the ring-types between lower die body lower part outer wall and the lower die inner wall of the hole installing of fixed plate
Gap is connected to lower air drain, and lower die body interior offers cavity, has a cavity plate to fix in the cavity, the side wall of cavity offers
Air storing duct offers several ventholes in the inner wall of air storing duct, and venthole is communicated with annular gap, the cavity plate outer rim with
Cricoid outer air discharge duct is formed between cavity inner wall, outer air discharge duct is communicated with air storing duct.
An axially extending bore, the center at the top of the cavity plate are offered in the center of the lower mould body and cavity plate
Position is further opened with inner chamber body, has a punch-pin to be fixed in inner chamber body, is formed between the outer rim and inner chamber body inner edge of punch-pin cyclic annular
Interior air discharge duct, be further opened with radial air flue inside punch-pin and cavity plate, radial air flue is by interior air discharge duct and axially extending bore and storage
Air drain is connected to, and the axially extending bore lower port is communicated with lower air drain.
The lower die body bottom portion is provided with positioning protrusion in the periphery of axially extending bore, is opened up at the top of the lower template
There are the locating slot coordinated with positioning protrusion, locating slot to be communicated with lower air drain, the air drain in the case where the bottom of the lower mould body corresponds to
Position on open up and set radial air drain, radial air drain is communicated through positioning protrusion with axially extending bore.
The utility model is provided with air discharge duct, the opposite existing generally row of use of air discharge duct at lower die cavity wall inner corner trim
The setting of stomata considerably increases the sectional area of exhaust outlet, and when upper and lower mould molds, sheet material is isolated by upper and lower die cavity, in lower mode cavity
Portion forms sealing space, and air discharge duct can quickly vacuumize lower mode cavity under the air guide channel cooperation inside lower die, exhaust velocity
It greatly promotes, such sheet material is under the cooperation of upper and lower die cavity draught head so that sheet material is automatic complete in the case where maintaining higher temperature
At pre-stretching, so that it is guaranteed that the molding integrality of product；Product surface does not have the trace of gas vent after being molded simultaneously, and appearance is more
Add beautiful beautiful.
Description of the drawings
Fig. 1 is the structural schematic diagram of the lower die of the utility model；
Fig. 2 is the vertical view of the utility model lower die；
Fig. 3 is sectional view along A-A in the utility model Fig. 2；
Fig. 4 is the enlarged diagram at C in Fig. 3；
Fig. 5 is B-B direction sectional view in the utility model Fig. 2；
Fig. 6 is the enlarged diagram at D in Fig. 5；
Fig. 7 is the structural schematic diagram of the utility model lower die；
Fig. 8 is the structural schematic diagram of the utility model lower die bottom.
Specific implementation mode
As shown in figures 1 to 6, a kind of mold with quick exhaust function, including upper die body and lower mold body, it is characterised in that：
The lower mold body includes lower template 1 and fixed plate 2, and the fixed plate 2 is fixed on the top surface of lower template 1, in fixed plate 2
The lower die mounting hole 21 for offering several proper alignments is mounted on lower die 3, under described in the lower die mounting hole 21
The top of mould 3 offers lower mode cavity 31, offers air discharge duct at the inner corner trim of 31 inner wall of lower mode cavity, air discharge duct with inside lower die 3
Air flue connection, offer the lower air drain 11 be connected to air flue inside lower die in 1 top surface of lower template, the lower air drain 11 and under
Mould 3 and 2 bottom surface of fixed plate form exhaust passage, several rows for running through lower template up and down are further opened in lower template 1
Stomata 12, gas vent 12 are connected to lower air drain 11.
The lower die 3 includes lower mould body 30, and the lower die of 30 external wall of upper portion of lower mould body and fixed plate 2 is installed
21 inner wall of hole is fitted close, and there are between ring-type between 30 lower part outer wall of lower mould body and 21 inner wall of lower die mounting hole of fixed plate 2
Gap 22, the annular gap 22 are connected to lower air drain 11, and cavity is offered inside lower mould body 30, have a cavity plate 32 to be fixed on
In cavity, the side wall of cavity offers air storing duct 35, several ventholes 36, venthole 36 are offered in the inner wall of air storing duct 35
It is communicated with annular gap 22, forms cricoid outer air discharge duct 37, outer air discharge duct between 32 outer rim of cavity plate and cavity inner wall
37 communicate with air storing duct 35.
An axially extending bore 39, the cavity plate 32 top are offered in the center of the lower mould body 30 and cavity plate 32
The center in portion is further opened with inner chamber body, has a punch-pin 33 to be fixed in inner chamber body, outer rim and the inner chamber body inner edge of punch-pin 33
Between form cricoid interior air discharge duct 38, be further opened with radial air flue 51 inside punch-pin 33 and cavity plate 32, radial air flue 51 will
Interior air discharge duct 38 is connected to axially extending bore 39 and air storing duct 35, and 39 lower port of axially extending bore is communicated with lower air drain.
30 bottom of lower mould body is provided with positioning protrusion 52, the lower template 1 in the periphery of axially extending bore 39
Top offers the locating slot 15 coordinated with positioning protrusion 52, and locating slot 15 is communicated with lower air drain 11, in the lower mould body
It is opened up on the position of air drain 11 under 30 bottom corresponds to and sets radial air drain 53, radial air drain 53 is logical through positioning protrusion 52 and axially
Hole 39 communicates.
The utility model is provided with air discharge duct, the opposite existing generally row of use of air discharge duct at lower die cavity wall inner corner trim
The setting of stomata considerably increases the sectional area of exhaust outlet, and when upper and lower mould molds, sheet material is isolated by upper and lower die cavity, in lower mode cavity
Portion forms sealing space, and air discharge duct can quickly vacuumize lower mode cavity under the air guide channel cooperation inside lower die, exhaust velocity
It greatly promotes, such sheet material is under the cooperation of upper and lower die cavity draught head so that sheet material is automatic complete in the case where maintaining higher temperature
At pre-stretching, so that it is guaranteed that the molding integrality of product；Product surface does not have the trace of gas vent after being molded simultaneously, and appearance is more
Add beautiful beautiful.
Claims (4)
1. a kind of mold with quick exhaust function, including upper die body and lower mold body, it is characterised in that：The lower mold body packet
Include lower template（1）And fixed plate（2）, the fixed plate（2）It is fixed on lower template（1）Top surface on, fixed plate（2）On open up
There is the lower die mounting hole of several proper alignments（21）, in the lower die mounting hole（21）It is interior to be mounted on lower die（3）, described
Lower die（3）Top offer lower mode cavity（31）, in lower mode cavity（31）Air discharge duct is offered at the inner corner trim of inner wall, air discharge duct is under
Mould（3）Internal air flue connection, in lower template（1）Top surface offers the lower air drain being connected to air flue inside lower die（11）, described
Lower air drain（11）With lower die（3）And fixed plate（2）Bottom surface forms exhaust passage, in lower template（1）It is further opened on if
The dry gas vent for running through lower template up and down（12）, gas vent（12）With lower air drain（11）Connection.
2. a kind of mold with quick exhaust function as described in claim 1, it is characterised in that：The lower die（3）Packet
Include lower mould body（30）, the lower mould body（30）External wall of upper portion and fixed plate（2）Lower die mounting hole（21）Inner wall is close
Cooperation, lower mould body（30）Lower part outer wall and fixed plate（2）Lower die mounting hole（21）There are annular gaps between inner wall（22）,
The annular gap（22）With lower air drain（11）Connection, lower mould body（30）Inside offers cavity, there is a cavity plate（32）Gu
Determine in the cavity, the side wall of cavity offers air storing duct（35）, in air storing duct（35）Inner wall offer several ventholes
（36）, venthole（36）With annular gap（22）It communicates, the cavity plate（32）It is formed between outer rim and cavity inner wall cricoid
Outer air discharge duct（37）, outer air discharge duct（37）With air storing duct（35）It communicates.
3. a kind of mold with quick exhaust function as claimed in claim 2, it is characterised in that：In the lower mould body
（30）And cavity plate（32）Center offer an axially extending bore（39）, the cavity plate（32）It also opens the center at top
Equipped with inner chamber body, there is a punch-pin（33）It is fixed in inner chamber body, punch-pin（33）Outer rim and inner chamber body inner edge between formed it is cyclic annular
Interior air discharge duct（38）, in punch-pin（33）And cavity plate（32）Inside is further opened with radial air flue（51）, radial air flue（51）It will be interior
Air discharge duct（38）With axially extending bore（39）And air storing duct（35）Connection, the axially extending bore（39）Lower port and lower air drain（11）
It communicates.
4. a kind of mold with quick exhaust function as claimed in claim 3, it is characterised in that：The lower mould body
（30）Bottom is in axially extending bore（39）Periphery be provided with positioning protrusion（52）, the lower template（1）Top offers and determines
Position protrusion（52）The locating slot of cooperation（15）, locating slot（15）With lower air drain（11）It communicates, in the lower mould body（30）'s
Bottom corresponds to lower air drain（11）Position on open up and set radial air drain（53）, radial air drain（53）Through positioning protrusion（52）With axis
To through-hole（39）It communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271817.6U CN207954619U (en) | 2018-02-26 | 2018-02-26 | A kind of mold with quick exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271817.6U CN207954619U (en) | 2018-02-26 | 2018-02-26 | A kind of mold with quick exhaust function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207954619U true CN207954619U (en) | 2018-10-12 |
Family
ID=63739845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820271817.6U Active CN207954619U (en) | 2018-02-26 | 2018-02-26 | A kind of mold with quick exhaust function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207954619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978132A (en) * | 2019-12-27 | 2020-04-10 | 杭州朔骅包装有限公司 | Cotton cutting machine of pearl |
| CN113146887A (en) * | 2021-03-25 | 2021-07-23 | 浙江新天力容器科技有限公司 | Cover body forming die and quick-change structure |
-
2018
- 2018-02-26 CN CN201820271817.6U patent/CN207954619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978132A (en) * | 2019-12-27 | 2020-04-10 | 杭州朔骅包装有限公司 | Cotton cutting machine of pearl |
| CN110978132B (en) * | 2019-12-27 | 2021-06-22 | 杭州朔骅包装有限公司 | Cotton cutting machine of pearl |
| CN113146887A (en) * | 2021-03-25 | 2021-07-23 | 浙江新天力容器科技有限公司 | Cover body forming die and quick-change structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2728 Haifeng road Taizhou Zhejiang 318000 Patentee after: Xintianli Technology Co.,Ltd. Address before: 318000 2728 Haifeng Road, Binhai Industrial Park, Jiaojiang District, Taizhou, Zhejiang. Patentee before: ZHEJIANG OTOR CONTAINER TECHNOLOGY Co.,Ltd. |