CN109501147A - It is buckled to demolding structure - Google Patents
It is buckled to demolding structure Download PDFInfo
- Publication number
- CN109501147A CN109501147A CN201910019478.1A CN201910019478A CN109501147A CN 109501147 A CN109501147 A CN 109501147A CN 201910019478 A CN201910019478 A CN 201910019478A CN 109501147 A CN109501147 A CN 109501147A
- Authority
- CN
- China
- Prior art keywords
- top plate
- jacking block
- rear mold
- mandril
- component
- 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
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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
Abstract
The present invention provides a kind of back-off demolding structure, for injection mold, the injection mold includes mutually matched preceding mould and rear mold, the forming cavity for the product with back-off structure to be made is equipped between the preceding mould and rear mold, there are also line positions between the preceding mould and rear mold, bullet block is equipped in the preceding mould, jacking block component is equipped in the rear mold, the jacking block component bottom is connected with push rod component, the push rod component is connected with top plate member, and the push rod component is threaded through in jacking block component and rear mold, bending pin is equipped among the top plate member, setting is spaced between the top of the bending pin and top plate point, and spacing distance is greater than the encapsulated height of rear mold, the top plate member moves upwards after being driven by driving assembly separates product from rear mold, bending pin is driven to move upwards product and jacking block component point by the driving component again It is demoulded from realizing.Above-mentioned back-off demolding structure can smoothly realize demoulding.
Description
Technical field
The present invention relates to mould applications more particularly to a kind of back-off demolding structures.
Background technique
Mold manufacture is a kind of manufacture being in daily use in industrial production, compared with traditional machining mode, mold
Production has high production efficiency, can manufacture the advantages such as the special product of shape.Many plastic parts have whole circle inner reverse fastener knot
Structure, injection moulding is forced stripper mechanism or core_pulling demoulding according to the stripping means that material and fastening structure would generally use at present, by force
It is little that de- structure is suitable for button bit, and the plasticity of material and toughness are preferable.And there is back-off or buckle structure for some
Product is easy to happen the problems such as demoulding is difficult when producing using mold, serious to damage back-off structure.Such product
Production demoulding becomes urgent problem on mold.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of back-off demolding structures that can smoothly realize back-off demoulding.
A kind of back-off demolding structure is used for injection mold, and the injection mold includes mutually matched preceding mould and rear mold, institute
It is equipped between mould and rear mold before stating for the forming cavity with back-off structure product to be made, row is equipped between the preceding mould and rear mold
Position, the preceding mould is interior to be equipped with bullet block, is equipped with jacking block component in the rear mold, and the jacking block component bottom is connected with push rod component,
The push rod component is connected with top plate member, and the push rod component is threaded through in jacking block component and rear mold, the top plate member
Centre is equipped with bending pin, the top interval setting of the bending pin and top plate, and spacing distance is greater than the encapsulated height of rear mold, described
Top plate member, which is driven and moved upwards by driving assembly, will push push rod component, and the push rod component ejects jacking block component,
Separated from rear mold to product, the driving component continues to drive top plate member, thus bending pin move upwards by product with
Demoulding is realized in the separation of jacking block component.
The jacking block component includes mutually matched first jacking block and the second jacking block in one of the embodiments, described
First jacking block includes U-lag, and second jacking block is arranged in U-lag.
The frame of first jacking block is equipped with the button to match with the back-off structure of product in one of the embodiments,
Position, the back-off structure of product are fastened on the button bit of first jacking block.
The top plate member includes spaced first top plate and the second top plate in one of the embodiments, described
Between first top plate and the second top plate be equipped with spacing board, the push rod component include the first mandril and the second mandril, described first
The both ends of mandril are fixedly connected with the first top plate and the first jacking block respectively, the both ends of second mandril respectively with the second top plate and
Second jacking block is fixedly connected.
First mandril is two groups in one of the embodiments, and second mandril is arranged in two group of first mandril
Between.
The bending pin is two in one of the embodiments, and two bending pins are separately fixed at top plate group
On the support block of part two sides.
The bending pin includes the fixing end for ejecting end and being fixedly connected with ejection end, institute in one of the embodiments,
It states ejection end to offset with the second top plate for ejecting the second top plate to separate product with the second jacking block, the fixing end is fixed
On support block.
The bottom of first jacking block offers the first limit for accommodating the first mandril in one of the embodiments,
Slot, first mandril are fixed in the first limiting slot, and the bottom of second jacking block is offered for accommodating the second mandril
Second limiting slot, second mandril are fixed in the second limiting slot.
The driving structure includes drivig cylinder in one of the embodiments, drivig cylinder connection top rod, described
Top rod is connect with the top plate member.
The drivig cylinder is oil hydraulic cylinder in one of the embodiments,.
In above-mentioned back-off demolding structure, after the completion of injection, front and back mould is opened, and line position exits, and preceding mould bullet block guarantees system
Product stay in rear mold side；It drives top plate member to move upwards by driving assembly to separate product from rear mold, realize product from rear mold
Separation；Continue to drive by driving assembly, at this time since bending pin acts on, the upper componental movement of top plate member is very fast, by jacking block
Component separates up and down, realizes product and separates from jacking block component, demoulds product smoothly.Reduce skew back in traditional dies
Top, mould structure become simply, and processing capacity and workload greatly reduce, and improve production efficiency.
Detailed description of the invention
Fig. 1 is the back-off demolding structure perspective view of the explosion of an embodiment；
Fig. 2 is the back-off demolding structure assembling schematic diagram of an embodiment.
Specific embodiment
Fig. 1 and Fig. 2 are please referred to, the present invention provides an embodiment and is buckled to demolding structure, is used for injection mold, injection mold
Including mutually matched preceding mould 10 and rear mold 20, it is equipped between preceding mould 10 and rear mold 20 for the product with back-off structure to be made
Forming cavity be equipped with bullet block 40 in preceding mould 10 there are also line position 30 between preceding mould 10 and rear mold 20, be equipped with jacking block component in rear mold 20
50,50 bottom of jacking block component is connected with push rod component 60, and push rod component 60 is connected with top plate member 70, and push rod component 60 is worn
On jacking block component 50 and rear mold 20, bending pin 80, the top of bending pin 80 and top plate member 70 are equipped among top plate member 70
Interval setting, and spacing distance be greater than the encapsulated height of rear mold 20, top plate member 70 by driving assembly driving after move upwards by
Product is separated from rear mold, then drives bending pin 80 to move upwards product to separate with jacking block component 50 and realize and take off by driving assembly
Mould.
In above-mentioned back-off demolding structure, after the completion of injection, front and back mould is opened, and line position exits, and preceding mould bullet block guarantees system
Product stay in rear mold side；It drives top plate member to move upwards by driving assembly to separate product from rear mold, realize product from rear mold
Separation；Continue to drive by driving assembly, at this time since bending pin acts on, the upper componental movement of top plate member is very fast, by jacking block
Component separates up and down, realizes product and separates from jacking block component, demoulds product smoothly.Reduce skew back in traditional dies
Top, mould structure become simply, and processing capacity and workload greatly reduce, and improve production efficiency.
Specifically, in one embodiment, preceding mould 10 and rear mold 20 substantially box structure, is infused between
It is moulded into type.Specifically, in one embodiment, shaped article is plate frame structure, can be e-book center, product specifically
The whole circle back-off in side, material TPU, plasticity and toughness are good.There are two line positions 30, is distributed in the two sides of injection mold, works as row
After position 30 is exited, preceding mould 10 and rear mold 20 can be opened.Bullet block 40 in preceding mould 10 guarantees that product stays in rear mold side
Specifically, in one embodiment, jacking block component 50 includes mutually matched first jacking block 510 and the second jacking block
520, the first jacking block 510 includes U-lag, and the second jacking block 520 is arranged in U-lag.Specifically, the frame of the first jacking block 510 is set
There is the button bit to match with the back-off structure of product, the back-off structure of product is fastened on the button bit of the first jacking block 510.
Specifically, in one embodiment, top plate member 70 includes spaced first top plate 710 and the second top plate
720, the first top plate 710 is disposed below, and the second top plate 720 is arranged above.Between first top plate 710 and the second top plate 720
Equipped with spacing board 730, push rod component 60 includes the first mandril 610 and the second mandril 620, the both ends of the first mandril 610 respectively with
First top plate 710 is fixedly connected with the first jacking block 510, the both ends of the second mandril 620 respectively with the second top plate 720 and the second jacking block
520 are fixedly connected.
Specifically, the first mandril 610 is two groups, and the second mandril 620 is arranged between two group of first mandril 610.Pass through
One mandril 610 connects the first top plate 710 and the first jacking block 510, passes through the second mandril 620 connection the second jacking block 520 and the second top
Plate 720.
Specifically, in one embodiment, bending pin 80 is two, and two bending pins 80 are separately fixed at top plate member
On the support block 90 of 70 two sides.
Specifically, in one embodiment, bending pin 80 includes ejection end 810 and consolidates with what ejection end 810 was fixedly connected
Fixed end 820, ejects end 810 and the second top plate 720 offsets for ejecting the second top plate 720 thus by product and the second jacking block 520
Separation, fixing end 820 are fixed on support block 90.
Specifically, in one embodiment, the bottom of the first jacking block 510 offers for accommodating the first mandril 610
One limiting slot, the first mandril 610 are fixed in the first limiting slot, and the bottom of the second jacking block 520 is offered for accommodating the second top
Second limiting slot of bar 620, the second mandril 620 are fixed in the second limiting slot.
Specifically, in one embodiment, driving structure includes a drivig cylinder, one top rod of drivig cylinder body connection, top
Rod is connect with top plate member 70.Specifically, drivig cylinder can be oil hydraulic cylinder.
In above-mentioned back-off demolding structure, after the completion of injection, front and back mould is opened, and line position exits, and preceding mould bullet block guarantees system
Product stay in rear mold side；Top rod is driven by driving assembly, contacts the first top plate of top plate member, at this time the first top plate and the second top
Plate moves upwards simultaneously, and the first jacking block and the synchronous ejecting product of the second jacking block separate product from rear mold；By driving assembly after
Continuous driving top rod, at this time due to the second top plate of bending pin contacts, since bending pin acts on, componental movement is very fast on the second top plate,
First jacking block and the second jacking block are separated, so that product be separated from the button bit of the first jacking block, demould product smoothly.
Reduce oblique top on the inside of traditional dies, mould structure becomes simply, and processing capacity and workload greatly reduce, and improves production efficiency.
The above is only embodiments of the present invention, are not intended to limit the scope of the invention, all to utilize the present invention
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (10)
1. a kind of back-off demolding structure is used for injection mold, which is characterized in that the injection mold includes mutually matched preceding mould
And rear mold, it is equipped between the preceding mould and rear mold for the forming cavity with back-off structure product, the preceding mould and rear mold to be made
Between be equipped with line position, bullet block is equipped in the preceding mould, is equipped with jacking block component in the rear mold, the jacking block component bottom is connected with
Push rod component, the push rod component is connected with top plate member, and the push rod component is threaded through in jacking block component and rear mold, described
Bending pin, the top interval setting of the bending pin and top plate are equipped among top plate member, and spacing distance is encapsulated greater than rear mold
Highly, the top plate member, which is driven and moved upwards by driving assembly, will push push rod component, and the push rod component is by jacking block
Component ejection, so that product is separated from rear mold, the driving component continues to drive top plate member, so that bending pin moves upwards
Product is separated to realization demoulding with jacking block component.
2. back-off demolding structure according to claim 1, which is characterized in that the jacking block component includes mutually matched
One jacking block and the second jacking block, first jacking block includes U-lag, and second jacking block is arranged in U-lag.
3. back-off demolding structure according to claim 2, which is characterized in that the frame of first jacking block is equipped with and product
The button bit that matches of back-off structure, the back-off structure of product is fastened on the button bit of first jacking block.
4. back-off demolding structure according to claim 2, which is characterized in that the top plate member includes spaced
One top plate and the second top plate, are equipped with spacing board between first top plate and the second top plate, the push rod component includes the first top
The both ends of bar and the second mandril, first mandril are fixedly connected with the first top plate and the first jacking block respectively, second mandril
Both ends be fixedly connected respectively with the second top plate and the second jacking block.
5. back-off demolding structure according to claim 4, which is characterized in that first mandril be two groups, described second
Mandril is arranged between two group of first mandril.
6. back-off demolding structure according to claim 4, which is characterized in that the bending pin is two, and described in two
Bending pin is separately fixed on the support block of top plate member two sides.
7. back-off demolding structure according to claim 6, which is characterized in that the bending pin include ejection end and with ejection
The fixing end being fixedly connected is held, the ejection end and the second top plate offset for ejecting the second top plate to push up product and second
Block separation, the fixing end are fixed on support block.
8. back-off demolding structure according to claim 4, which is characterized in that the bottom of first jacking block, which offers, to be used for
The first limiting slot of the first mandril is accommodated, first mandril is fixed in the first limiting slot, and the bottom of second jacking block is opened
Equipped with the second limiting slot for accommodating the second mandril, second mandril is fixed in the second limiting slot.
9. back-off demolding structure according to claim 1, which is characterized in that the driving structure includes drivig cylinder, institute
Drivig cylinder connection top rod is stated, the top rod is connect with the top plate member.
10. back-off demolding structure according to claim 9, which is characterized in that the drivig cylinder is oil hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019478.1A CN109501147A (en) | 2019-01-09 | 2019-01-09 | It is buckled to demolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019478.1A CN109501147A (en) | 2019-01-09 | 2019-01-09 | It is buckled to demolding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109501147A true CN109501147A (en) | 2019-03-22 |
Family
ID=65756403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019478.1A Pending CN109501147A (en) | 2019-01-09 | 2019-01-09 | It is buckled to demolding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109501147A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133782A (en) * | 2011-02-21 | 2011-07-27 | 深圳市银宝山新科技股份有限公司 | All-round internal back-off demoulding mechanism |
| CN102756462A (en) * | 2012-07-13 | 2012-10-31 | 浙江凯华模具有限公司 | Splayed swinging rod type secondary de-molding mechanism for injection molding die |
-
2019
- 2019-01-09 CN CN201910019478.1A patent/CN109501147A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133782A (en) * | 2011-02-21 | 2011-07-27 | 深圳市银宝山新科技股份有限公司 | All-round internal back-off demoulding mechanism |
| CN102756462A (en) * | 2012-07-13 | 2012-10-31 | 浙江凯华模具有限公司 | Splayed swinging rod type secondary de-molding mechanism for injection molding die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105328876B (en) | Three-way core-pulling mechanism of injection mold | |
| CN110757744B (en) | Injection mold with back mold integral section back-off demolding structure | |
| CN103802287A (en) | Secondary ejection mechanism | |
| CN105034285A (en) | Inlaying type vertical injection mold structure achieving ejection and core pulling simultaneously | |
| CN103722697A (en) | Mobile phone protection shell and mould thereof | |
| CN102773970A (en) | Clutch type slide block mechanism | |
| CN203973938U (en) | A kind of Multifunctional injection mould | |
| CN107932840B (en) | Automobile seat adjusting shell die | |
| CN208428590U (en) | A kind of secondary structure de- by force of built-in mould | |
| CN109501147A (en) | It is buckled to demolding structure | |
| CN203691462U (en) | Mobile phone protecting shell and mold thereof | |
| CN202572814U (en) | Injection mold | |
| CN203357823U (en) | Ejection structure of mold | |
| CN103057057A (en) | Ejection forced demolding mechanism | |
| CN212045778U (en) | Die set | |
| CN211194802U (en) | Secondary ejection die structure | |
| CN209320217U (en) | A kind of three-level ejecting mechanism of double-shot moulding mould | |
| CN211279531U (en) | Front mould slider is with oblique guide pillar drive structure of back mould | |
| CN202781617U (en) | Injection mold with fixed mold ejection mechanism | |
| CN202097912U (en) | Plastic seat mold stripping mechanism | |
| CN202293237U (en) | Ejection forced-demoulding mechanism | |
| CN206254439U (en) | Oil cylinder drives and turns to slipper block loose core actuating mechanism | |
| CN210911006U (en) | Secondary slide structure of injection mold | |
| CN210705824U (en) | Novel demoulding mould back-off mechanism for solving and simplifying mould structure | |
| CN220198421U (en) | Mould with locking device |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |