CN109421217A - It is buckled to exit structure - Google Patents
It is buckled to exit structure Download PDFInfo
- Publication number
- CN109421217A CN109421217A CN201710778220.0A CN201710778220A CN109421217A CN 109421217 A CN109421217 A CN 109421217A CN 201710778220 A CN201710778220 A CN 201710778220A CN 109421217 A CN109421217 A CN 109421217A
- Authority
- CN
- China
- Prior art keywords
- male template
- fixed
- exit structure
- accessory plate
- male
- Prior art date
- 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.)
- Pending
Links
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 17
- 239000004677 Nylon Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of mould structures, are specifically related to a kind of back-off exit structure.The back-off exit structure includes: accessory plate, fits in the lower surface of male template；Positioning pin, one end are fixed on accessory plate, and the countersunk head that the other end has is set in male template, and counter sink is equipped in male template so that countersunk head is located therein, is equipped between the countersunk head and counter sink and exits stroke；Shutter locks between male template and caster；Pin, one end are fixed in accessory plate, and the other end has cylinder and cross convex block, respectively correspond the inner hole and cross recess on shaped article pillar；Enter son, one end is fixed in male die core, and other end molding back-off, the pin other end is from entering in son to pass through；Thimble, one end are fixed in upper ejector plate, and the other end heads on product through accessory plate, male template and male die core.Back-off exit structure of the invention, make back-off have it is enough inside contract space, do not need modification product structure, can back-off on shaped article.
Description
[technical field]
The present invention relates to a kind of mould structures, are specifically related to a kind of back-off exit structure.
[background technique]
Plastic cement products are to be molded by plastic mould, and plastic cement products are often applied to electronic product, communication produces
In product and consumer product etc..In recent years, being widely used with electronic product, communication product and consumer product, plastic mold
Tool also becomes the project studied extensively.
As shown in Figure 1, it depicts a kind of product schematic diagram with back-off.There is pillar 11 on the product 10
(BOSS column) has back-off 12 on the outside of the pillar 11, and has inner hole (being blocked in figure) and cross recess among pillar 11
13, in molding back-off 12, due to the limitation of insufficient space and structure, the taper pin or sliding block of common die can not be formed.Therefore,
In the prior art when forming such product 10, or suggest that client modifies structure, but thus can not meet the requirement of client；Or
Taper pin is designed as the taper pin that intensity is very weak, special-shaped by person, but is unfavorable for volume production, and is processed complicated.
In view of this, the said goods can not be formed it is really necessary to develop a kind of back-off exit structure to solve the prior art
The problem of upper back-off.
[summary of the invention]
Therefore, problem of the invention is to provide a kind of back-off exit structure, and it is enough which have back-off
Space is inside contracted, modification product structure is not needed, it can back-off on shaped article.
In order to achieve the above object, back-off exit structure of the invention is applied to die for molding product, on the product
With pillar, there is back-off, and there is inner hole and cross structure among pillar on the outside of the pillar, the mold includes lower fixation
Plate, lower liftout plate, upper ejector plate, male template, caster, male die core and mother module core, the back-off exit structure include:
Accessory plate fits in the lower surface of male template, and ejection stroke is equipped between the accessory plate and upper ejector plate；
Positioning pin, one end are fixed on accessory plate, and the countersunk head that the other end has is set in male template, and it is heavy to be equipped in male template
Head bore is located therein for countersunk head, is equipped between the countersunk head and counter sink and exits stroke；
Shutter locks between male template and caster；
Pin, one end are fixed in accessory plate, and the other end has cylinder and cross convex block, respectively correspond shaped article pillar
On inner hole and cross recess；
Enter son, one end is fixed in male die core, and other end molding back-off, the pin other end is from entering in son to pass through；
Thimble, one end are fixed in upper ejector plate, and the other end heads on product through accessory plate, male template and male die core.
Optionally, the big 3mm or more of distance for exiting stroke ratio pin in pillar.
Optionally, the back-off exit structure further includes guide pillars and bushes, and guide post is set in guide sleeve, and described guide post one end is solid
Due in accessory plate, the other end is set in caster through male template, and the guide sleeve is individually fixed in male template and caster.
Optionally, the positioning pin outer rim is arranged with the first elastic element, and first elastic element is set in male template,
One end contradicts accessory plate, and the other end contradicts male template, and when mold clamping, first elastic element is compressed.
Optionally, fixed block is fixed in the accessory plate, one end of the pin is fixed in the fixed block.
Optionally, the back-off exit structure further includes positioning column, and one end is fixed in upper ejector plate, and the other end is through auxiliary
It helps plate to be set in male template, and is equipped with movement travel between the other end and male template.
Optionally, the positioning column outer rim is arranged with the second elastic element, and second elastic element sets one end and contradicts
Liftout plate, the other end contradict male template, and when mold clamping, second elastic element is compressed.
Compared to the prior art, back-off exit structure of the invention is by setting accessory plate, positioning pin and shutter, in mould
It when tool die sinking, due to the effect of shutter, is preferentially opened, is opened to after exiting stroke, pin is complete between accessory plate and male template
The inner hole and cross recess for exiting product pillar make the back-off on the outside of pillar have enough geometric distortions, inside contract, then die male
After template and caster die sinking, thimble enforcing ejecting product makes the back-off on the outside of product pillar and enters sub- disengaging.This hair as a result,
Bright back-off exit structure, make back-off have it is enough inside contract space, do not need modification product structure, can fall on shaped article
Button.
[Detailed description of the invention]
Fig. 1 is painted a kind of product schematic diagram with back-off.
Fig. 2 is painted one side schematic diagram of present invention back-off exit structure when mold clamping.
Fig. 3 is painted another side schematic diagram of present invention back-off exit structure when mold clamping.
Fig. 4 is painted the schematic diagram of pin in present invention back-off exit structure.
Fig. 5 is painted pin and the schematic diagram for entering sub- cooperation in present invention back-off exit structure.
Fig. 6 is painted one side schematic diagram of present invention back-off exit structure when mold is opened for the first time.
Fig. 7 is painted another side schematic diagram of present invention back-off exit structure when mold is opened for the first time.
Fig. 8 is painted one side schematic diagram of present invention back-off exit structure when being opened for second of mold.
Fig. 9 is painted another side schematic diagram of present invention back-off exit structure when being opened for second of mold.
[specific embodiment]
It please refers to shown in Fig. 2 to Fig. 5, wherein Fig. 2 depicts side of present invention back-off exit structure when mold clamping
Face schematic diagram, Fig. 3 depict another side schematic diagram of present invention back-off exit structure when mold clamping, and Fig. 4 depicts this
Invention back-off exit structure in pin schematic diagram, Fig. 5 be painted the present invention back-off exit structure in pin with enter showing for sub- cooperation
It is intended to.
In this present embodiment, back-off exit structure of the invention is applied to die for molding product 10, referring to figure
Shown in 1, there is pillar 11 on the product 10, there is on the outside of the pillar 11 back-off 12, and have among pillar 11 inner hole and
Cross recess 13, the mold include bottom plate 20, lower liftout plate 21, upper ejector plate 22, male template 23, caster 24, public affairs
Mode 25 and mother module core 26, the back-off exit structure include:
Accessory plate 100 fits in the lower surface of male template 23, and ejection is equipped between the accessory plate 100 and upper ejector plate 22
Stroke, in this present embodiment, the ejection stroke are set as S1；
Positioning pin 200, one end are fixed on accessory plate 100, and the countersunk head 201 that the other end has is set in male template 23, public
It is equipped with counter sink 202 in template 23 so that countersunk head 201 is located therein, is equipped between the countersunk head 201 and counter sink 202 and exits row
Journey, this exits stroke and is set as S2；
Shutter 300 locks between male template 23 and caster 24, in mold die sinking, guarantees male template 23 and caster
It is not opened first between 24, in this present embodiment, which includes nylon jacket 301 and conical screw 302, and nylon jacket 301 is fixed
In on caster 24, conical screw 302 is fixed in male template 23, adjusts mould by adjusting the locking amount of conical screw 302
Frictional force between plate and nylon jacket 301, and the size of frictional force affects the size of clamp force, male template 23 and caster 24
Between when being opened, conical screw 302 is deviate from from nylon jacket 301；
Pin 400, one end are fixed in accessory plate 100, and the other end has cylinder 401 and cross convex block 402, are respectively corresponded
Inner hole and cross recess 13 on 10 pillar 11 of shaped article；
Enter son 500, one end is fixed in male die core 25, other end molding back-off 12, correspondingly it is described enter sub 500 other ends
Equipped with, to form back-off 12,400 other end of pin is from entering in son 500 to pass through with 12 corresponding structures of back-off；
Thimble 600, one end are fixed in upper ejector plate 22, and the other end runs through accessory plate 100, male template 23 and male die core 25
Head on product 10.
Wherein, the stroke S2 that exits is 3mm or more bigger than distance of the pin 400 in pillar 11, can guarantee in mold
When being opened for the first time, pin 400 is exited from the pillar 11 on product 10 completely, to enable have enough spaces on mold
Back-off 12 is smoothly deformed, is inside contracted, and pressure is facilitated to eject.
Wherein, the back-off exit structure further includes guide post 700 and guide sleeve 701, and guide post 700 is set in guide sleeve 701, described
700 one end of guide post is fixed in accessory plate 100, and the other end is set in caster 24 through male template 23, and the guide sleeve 701 is distinguished
It is fixed in male template 23 and caster 24, when mold opening and closing mould, the guide post 700 is oriented to moving in guide sleeve 701 to be made
With.
Wherein, 200 outer rim of positioning pin is arranged with the first elastic element 203, and first elastic element 203 is set to public affairs
In template 23, one end contradicts accessory plate 100, and the other end contradicts male template 23, when mold clamping, first elastic element
203 are compressed, and when Mold subplate 100 and male template 23 are opened, the elastic force of the first elastic element 203 acts on auxiliary positioning pin
200 move downward.
Wherein, there is fixed block 102 by the lock of screw 101 in the accessory plate 100, one end of the pin 400 is fixed on
In the fixed block 102, facilitate installation pin 400 in assembly mold.
Wherein, the back-off exit structure further includes positioning column 800, and one end is fixed in upper ejector plate 22, and the other end passes through
Accessory plate 100 is worn in male template 23, and is equipped with movement travel between the other end and male template 23, which is set as S2,
The positioning column 800 and positioning pin 200 play synergistic effect, guarantee that the die sinking distance between auxiliary mould 100 and male template 23 is S2.
Wherein, 800 outer rim of positioning column is arranged with the second elastic element 801, and described second elastic element, 801 one end is supported
Upper ejector plate 22 is touched, the other end contradicts male template 23, and when mold clamping, second elastic element 801 is compressed.With first
Elastic element 203 is identical, and when Mold subplate 100 and male template 23 are opened, the elastic force effect auxiliary of the second elastic element 801 is fixed
Position column 800 moves downward.Above-mentioned first elastic element 203 and the second elastic element 801 can be spring.
It please refers to shown in Fig. 6 and Fig. 7, wherein Fig. 6 depicts the present invention back-off exit structure when mold is opened for the first time
One side schematic diagram, Fig. 7 depict the present invention back-off exit structure in mold for the first time be opened when another side schematic diagram.
After product 10 is completed in molding, mold die sinking, due to the effect of shutter 300, die sinking for the first time auxiliary mould 100 with
It is separated between male template 23, auxiliary mould 100 moves downward (it is downward for setting the direction that mold auxiliary mould 100 retreats), while thimble
600 and pin 400 move downward, when positioning pin 200 countersunk head 201 block into counter sink 202 when, positioning pin 200 limitation auxiliary
Mould 100 makes that mould 100 is assisted no longer to move downward, and completes to be opened for the first time, pin 400 has exited 10 pillar of product completely at this time
11 inner hole and cross recess 13 is smoothly deformed, is inside contracted to enable to have enough spaces to be buckled to 12 on mold.
It please refers to shown in Fig. 8 and Fig. 9, wherein Fig. 8 depicts the present invention back-off exit structure when mold is opened for the second time
One side schematic diagram, Fig. 9 depicts another side schematic diagram of present invention back-off exit structure when mold second is opened.
After the completion of being opened for the first time, under the die sinking active force of mold, shutter 300 no longer keyed male template 23 and master mold
Plate 24, second of die sinking separate between male template 23 and caster 24, and male template 23 moves downward, until mold is opened completely
Mould；Completely after die sinking, under the action of mold, upper ejector plate 22, lower liftout plate 21 drive thimble 600 and pin 400 to transport upwards
Dynamic, since back-off 12 can deform smoothly, inside contract, product 10 from entering to force to eject on son 500, is kept product 10 convex by thimble 600
The back-off 12 in 11 outside of column is detached from son 500 is entered, until upper ejector plate 22 contacts accessory plate 100 (upper ejector plate 22 and thimble 600
Eject S1 distance), complete ejection movement.Product 10 is practical at this time to eject distance are as follows: the ejection of thimble 600 distance subtracts to be opened for the first time
Backway (S1-S2) when mould.
Compared to the prior art, back-off exit structure of the invention passes through setting accessory plate 100, positioning pin 200 and opening and closing
The structural members such as device 300, make back-off 12 have it is enough inside contract space, do not need modification 10 structure of product, can be on shaped article 10
Back-off 12.
Claims (7)
1. a kind of back-off exit structure is applied to die for molding product, there is pillar, tool on the outside of the pillar on the product
There is back-off, and there is inner hole and cross structure among pillar, the mold includes bottom plate, lower liftout plate, upper ejector plate, public affairs
Template, caster, male die core and mother module core, which is characterized in that the back-off exit structure includes:
Accessory plate fits in the lower surface of male template, and ejection stroke is equipped between the accessory plate and upper ejector plate；
Positioning pin, one end are fixed on accessory plate, and the countersunk head that the other end has is set in male template, and counter sink is equipped in male template
So that countersunk head is located therein, it is equipped between the countersunk head and counter sink and exits stroke；
Shutter locks between male template and caster；
Pin, one end are fixed in accessory plate, and the other end has cylinder and cross convex block, are respectively corresponded on shaped article pillar
Inner hole and cross recess；
Enter son, one end is fixed in male die core, and other end molding back-off, the pin other end is from entering in son to pass through；
Thimble, one end are fixed in upper ejector plate, and the other end heads on product through accessory plate, male template and male die core.
2. back-off exit structure according to claim 1, which is characterized in that the stroke ratio pin that exits is in pillar
Apart from big 3mm or more.
3. back-off exit structure according to claim 1, which is characterized in that the back-off exit structure further include guide post and
Guide sleeve, guide post are set in guide sleeve, and described guide post one end is fixed in accessory plate, and the other end is set in caster through male template,
The guide sleeve is individually fixed in male template and caster.
4. back-off exit structure according to claim 1, which is characterized in that the positioning pin outer rim is arranged with the first elasticity
Element, first elastic element are set in male template, and one end contradicts accessory plate, and the other end contradicts male template, in mold clamping
When, first elastic element is compressed.
5. back-off exit structure according to claim 1, which is characterized in that be fixed with fixed block, institute in the accessory plate
The one end for stating pin is fixed in the fixed block.
6. back-off exit structure according to claim 1, which is characterized in that the back-off exit structure further includes positioning
Column, one end are fixed in upper ejector plate, and the other end is set in male template through accessory plate, and fortune is equipped between the other end and male template
Dynamic stroke.
7. back-off exit structure according to claim 6, which is characterized in that the positioning column outer rim is arranged with the second elasticity
Element, second elastic element set one end and contradict upper ejector plate, and the other end contradicts male template, when mold clamping, described the
Two elastic elements are compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778220.0A CN109421217A (en) | 2017-09-01 | 2017-09-01 | It is buckled to exit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778220.0A CN109421217A (en) | 2017-09-01 | 2017-09-01 | It is buckled to exit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109421217A true CN109421217A (en) | 2019-03-05 |
Family
ID=65512718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710778220.0A Pending CN109421217A (en) | 2017-09-01 | 2017-09-01 | It is buckled to exit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109421217A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645267A (en) * | 2020-06-02 | 2020-09-11 | 朱青松 | Injection mold with spherical workpiece without penetrating through special-shaped hole |
| CN112026110A (en) * | 2019-06-03 | 2020-12-04 | 苏州汉扬精密电子有限公司 | Demoulding structure of mould |
| WO2022052804A1 (en) * | 2020-09-14 | 2022-03-17 | 台州职业技术学院 | Floating-mold core pulling structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201784142U (en) * | 2010-08-27 | 2011-04-06 | 富港电子（东莞）有限公司 | Injection mold |
| CN201881499U (en) * | 2010-11-12 | 2011-06-29 | 富港電子(東莞)有限公司 | Mold with ejecting mechanism |
| US20120100244A1 (en) * | 2010-10-22 | 2012-04-26 | Cheng Uei Precision Industry Co., Ltd. | Plastic injection mold |
| CN206416442U (en) * | 2017-01-25 | 2017-08-18 | 东莞市信成医疗器械科技有限公司 | A kind of mould of controllable matched moulds order |
-
2017
- 2017-09-01 CN CN201710778220.0A patent/CN109421217A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201784142U (en) * | 2010-08-27 | 2011-04-06 | 富港电子（东莞）有限公司 | Injection mold |
| US20120100244A1 (en) * | 2010-10-22 | 2012-04-26 | Cheng Uei Precision Industry Co., Ltd. | Plastic injection mold |
| CN201881499U (en) * | 2010-11-12 | 2011-06-29 | 富港電子(東莞)有限公司 | Mold with ejecting mechanism |
| CN206416442U (en) * | 2017-01-25 | 2017-08-18 | 东莞市信成医疗器械科技有限公司 | A kind of mould of controllable matched moulds order |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026110A (en) * | 2019-06-03 | 2020-12-04 | 苏州汉扬精密电子有限公司 | Demoulding structure of mould |
| CN111645267A (en) * | 2020-06-02 | 2020-09-11 | 朱青松 | Injection mold with spherical workpiece without penetrating through special-shaped hole |
| WO2022052804A1 (en) * | 2020-09-14 | 2022-03-17 | 台州职业技术学院 | Floating-mold core pulling structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190305 |
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| RJ01 | Rejection of invention patent application after publication |