CN206374110U - A kind of microporous foam formation mould - Google Patents
A kind of microporous foam formation mould Download PDFInfo
- Publication number
- CN206374110U CN206374110U CN201621414905.4U CN201621414905U CN206374110U CN 206374110 U CN206374110 U CN 206374110U CN 201621414905 U CN201621414905 U CN 201621414905U CN 206374110 U CN206374110 U CN 206374110U
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- CN
- China
- Prior art keywords
- pressure cap
- main body
- ejector pin
- push rod
- guide
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of microporous foam formation mould, including die main body and foaming transfer bar mechanism, the transfer bar mechanism that foams includes pressure cap, guide rod, ejector pin retaining plate, spring and push rod, card article is evenly arranged with guide rod outer circumference surface, it is contact inclined-plane at the top of card article, card article radially protruding is in pressure cap base profile into Access Division, locating rod is extended with the top of guide rod, locating rod is penetrated into pressure cap, guide rod bottom is connected with ejector pin retaining plate, guide rod is fixed on ejector pin retaining plate, and both ends of the spring is connected with ejector pin retaining plate and die main body respectively；Offered in the lower template of die main body and offer neck and guide groove on pressure cap hole, pressure cap hole hole wall.The utility model is provided with the controlling structure for telescopic handle of similar automatic ball-pen on mould, it can effectively control push rod to enter and stop the die cavity of backed off after random die main body, the problem of extra controlling organization is persistently to promote push rod need to be set on injection machine by solving prior art.
Description
Technical field
The utility model is related to technical field of mold, and in particular to a kind of microporous foam formation mould.
Background technology
The microporous foam technique of current injection grade is mainly physical blowing Shooting Technique and chemical injection foaming.Physical blowing
The equipment of Shooting Technique is complicated, invests larger, manufacturing cost is high, and the surface quality of operating procedure complexity and resulting product is poor,
Associated core technology is covered by foreign patent simultaneously.Chemical blowing Shooting Technique not only short molding cycle, production efficiency is high,
Energy one-shot forming complex contour and the high microporous foam product of accurate size, and equipment is simple, and operation is simple, can directly use
Conventional injection molding machine is produced.At present, industrialization injection grade microporous foam technique is all by the way of shorting, i.e., by melt
Do not filled when being injected into die cavity, die cavity is filled up automatically by the expansion of abscess itself, this foaming mould and forming method make
The melting material pressure release that die cavity must be entered is too fast, causes the distribution of abscess and cell density uneven.And laboratory utilizes secondary
Open molding techniques obtain stable pressure release, but require that product structure is simple, and injection machine twice-die-opening is difficult to control to precision,
The size and gas release of product are all unstable.
Utility model content
For technical problem present in prior art, the purpose of this utility model is：A kind of microporous foam formation is provided
Mould.
The purpose of this utility model is achieved through the following technical solutions：A kind of microporous foam formation mould, including mould master
Body and foaming transfer bar mechanism, foaming transfer bar mechanism, which includes pressure cap, guide rod, ejector pin retaining plate, spring and one end, to be extend into
Guide block is provided with push rod in the die cavity of die main body, pressure cap outer circumference surface, the annular bottom surface of pressure cap is evenly arranged with guiding
It is evenly arranged with inclined-plane, guide rod outer circumference surface to contact inclined-plane at the top of card article, card article, card article radially protruding is in outside pressure cap bottom
Formed at the top of Access Division, guide rod and be extended with locating rod, locating rod is penetrated into pressure cap, and guide rod bottom is connected with ejector pin retaining plate,
Guide rod is fixed on ejector pin retaining plate, and both ends of the spring is connected with ejector pin retaining plate and die main body respectively；
Uniform offer on pressure cap hole, pressure cap hole hole wall is offered in the lower template of die main body for Access Division and guide block to connect
The neck and guide groove connect, neck and guide groove are arranged at intervals, have at the notch of neck after Access Division is into neck with Access Division
The edge clipping of phase clamping；
Isolation part is formed between neck and guide groove, isolation bottom end face is the importing inclined-plane for importing card article, when pressure cap is pressed
When lower, guiding surface docks to form card article slideway with importing inclined-plane, and clockwise or counterclockwise, neck is between guide groove
Isolation part and edge clipping formation step trough, the importing inclined-plane of guide groove to the isolation part between neck docks to form slideway with edge clipping.
It is preferred that, the guide block is two or more, is uniformly arranged on respectively on pressure cap outer circumference surface, each guide block is connected respectively
Into neck and/or guide groove.
It is preferred that, there is the spacing ring for being used for limiting guide block slip on the outside of the pressure cap hole at aperture.
It is preferred that, the spring is two, is symmetrically arranged at the both sides of ejector pin retaining plate.
It is preferred that, the push rod is a plurality of, and ejector pin retaining plate includes offering the first rank in push pedal and fixed plate, push pedal
Counterbore is provided with terraced hole, the position of fixed plate the first shoulder hole of correspondence, guide rod is fixed in shoulder hole and counterbore, in fixed plate
Multiple second shoulder holes are offered, the head of push rod is connected respectively in the second shoulder hole, fixed plate is fixed in push pedal and will pushed away
The head of bar is fixed in the second shoulder hole.
It is preferred that, die main body has multiple die cavities, and push rod connects one to one with die cavity.
It is preferred that, the side for importing inclined-plane importing Access Division is provided with importing fillet.
It is preferred that, guide block top surface is arranged to inverted " v ".
A kind of injection moulding process using above-mentioned microporous foam formation mould, comprises the following steps：
Step one：Injection machine matched moulds and locked mode；
Step 2：Injection machine push rod promotes pressure cap, and pressure cap promotes ejector pin retaining plate to be pushed into push rod end by guide rod
In the die cavity of die main body, injection machine push rod is withdrawn, and push rod end is rested in the die cavity of die main body；
Step 3：Injection machine injects melt into the die cavity of die main body；
Step 4：Injection machine push rod promotes pressure cap, spring reset, by promoting ejector pin retaining plate to push away push rod end again
Go out the die cavity of die main body, melt release pressure, foaming agent starts foaming；
Step 5：Die sinking, injection machine push rod promotes pressure cap once more, and pressure cap promotes ejector pin retaining plate by push rod by guide rod
End is released again realizes blanking by injection molding part ejection.
It is preferred that, by selecting the push rod of different length or setting the edge clipping of different depth so as to adjust the big of foaming space
It is small；
When needing circulation work, it is repeated in after execution of step five Step 1: Step 3: step 4 and step
Five.
The utility model has the following advantages and effect relative to prior art：
1st, the utility model is provided with the controlling structure for telescopic handle of similar automatic ball-pen on mould, can effectively control to push away
Bar enters and stops the die cavity of backed off after random die main body, and solving prior art need to set extra controlling organization on injection machine
The problem of persistently promoting push rod, needs to use hydraulic pressure or pneumatic as power source in addition more this controlling organization additionally set,
Therefore exist complicated and the problem of be difficult to control, and the utility model only need to be by setting the transfer bar mechanism of injection machine to eject
The die cavity that push rod enters or exited die main body in the case of required can be achieved, can either the complicated plastics system of molding structure
Product, can allow plastic products to obtain preferable abscess quality again.
2nd, push rod control foaming behavior of the utility model using traditional injection moulding mould in itself so that any complex-shaped surface mould
Injection mold can be carried out microporous foam.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is the structural representation of pressure cap of the present utility model.
Fig. 4 is the structural representation of guide rod of the present utility model.
Fig. 5 is the schematic diagram that extend into pressure cap of locating rod of guide rod of the present utility model.
Fig. 6 is the structural representation in pressure cap hole of the present utility model.
Fig. 7 is the enlarged drawing in A portions in Fig. 6.
Fig. 8 is the schematic diagram before the utility model pressure cap is not pushed.
The pressure cap that Fig. 9 is Fig. 8 pushes and promotes the Access Division of card article to be moved down along neck and make importing inclined-plane dock to be formed with edge clipping
Schematic diagram during slideway.
Figure 10 is the schematic diagram that card article in Fig. 9 slips into terraced groove by contacting inclined-plane along slideway.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model
Mode not limited to this.
Embodiment one：
A kind of microporous foam formation mould, including die main body 1 and foaming transfer bar mechanism, foaming transfer bar mechanism include pressure
The push rod 6 that cap 2, guide rod 3, ejector pin retaining plate, spring 4 and one end can be extend into the die cavity 5 of die main body, pressure cap excircle
Guide block 7 is provided with face, the annular bottom surface of pressure cap, which is evenly arranged with guiding surface 8, guide rod outer circumference surface, is evenly arranged with card
Bar 9, is contact inclined-plane 10 at the top of card article, and card article radially protruding is stretched out in being formed outside pressure cap bottom opening at the top of Access Division, guide rod
There is locating rod 11, locating rod, which is penetrated into after pressure cap, contacts inclined-plane below guiding surface, and guide rod bottom connects with ejector pin retaining plate
Connect, guide rod is fixed on ejector pin retaining plate, both ends of the spring is connected with ejector pin retaining plate and die main body respectively；
Uniform on pressure cap hole 12, pressure cap hole hole wall offer for Access Division and guide block is offered in the lower template of die main body
The neck 13 and guide groove 14 of connection, neck and guide groove are arranged at intervals, have at the notch of neck after Access Division enters neck and
The edge clipping 15 of Access Division phase clamping；
Isolation part 16 is formed between neck and guide groove, isolation bottom end face is the importing inclined-plane 17 for importing card article, works as pressure
When cap is pressed, guiding surface with import inclined-plane dock to form card article slideway, clockwise or counterclockwise, neck to guide groove it
Between isolation part and edge clipping formation step trough 18, the importing inclined-plane of guide groove to the isolation part between neck docks to form cunning with edge clipping
Road.
It is preferred that, the guide block is two or more, is uniformly arranged on respectively on pressure cap outer circumference surface, each guide block is connected respectively
Into neck and/or guide groove.
It is preferred that, there is the spacing ring 19 for being used for limiting guide block slip, spacing ring can be kept away on the outside of the pressure cap hole at aperture
Exempt from pressure cap in the course of the work from pressure cap hole to depart from away.
It is preferred that, the spring is two, is symmetrically arranged at the both sides of ejector pin retaining plate, it can make ejector pin retaining plate
Energy force balance, makes the movement of push rod more smooth.
It is preferred that, the push rod is a plurality of, and ejector pin retaining plate includes offering the in push pedal 20 and fixed plate 21, push pedal
Counterbore is provided with one shoulder hole, the position of fixed plate the first shoulder hole of correspondence, guide rod is fixed in shoulder hole and counterbore, fixed
Multiple second shoulder holes are offered on plate, the head of each push rod is connected respectively in the second shoulder hole, fixed plate is fixed to push pedal
On the head of each push rod is individually fixed in each second shoulder hole.
It is preferred that, die main body has multiple die cavities, and push rod connects one to one with die cavity, during work, and each push rod can divide
Do not enter in each die cavity.
It is preferred that, the side of importing inclined-plane importing Access Division is provided with the importing fillet 22 for Access Division to be imported, its
Card article can be facilitated to import, make utility model works process more smooth.
It is preferred that, guide block top surface is arranged to inverted " v ", and it, which is advantageous in that, can be such that guide block is accurately returned after card article is released
Return in original residing neck or guide groove.
The course of work and operation principle of the present utility model：
When first time promoting pressure cap, pressure cap promotes guide rod to promote ejector pin retaining plate to move, and push rod end is pushed into
Into the die cavity of die main body, meanwhile, spring-compressed is pushed into push rod end during the die cavity of die main body, pressure cap
The Access Division of guide block and guide rod is moved down along guide groove respectively, when move down into guiding surface with import inclined-plane dock when, Access Division removal
Guide groove, under the promotion of spring, card article slides into the importing inclined-plane of neck by contacting inclined-plane along card article slideway from guiding surface
Then into edge clipping, when contacting inclined-plane and entering edge clipping, card article is snapped onto in step trough, due to continuing in spring
Promote lower guide rod to be fixed, now can then cancel the pushing to pressure cap, and the guide block of pressure cap does not snap onto importing then tiltedly
In face and edge clipping, but slided in the neck or guide groove where its original；
When promoting pressure cap again, pressure cap promotes guide rod to move down, and contact inclined-plane is in contact with contacting inclined-plane, and card article is pushed out
Step trough, during card article is pushed out step trough, guiding surface is in contact with contacting inclined-plane, when guiding surface is with importing inclined-plane
During docking, under the lasting promotion of spring, contact inclined-plane slides into importing inclined-plane then into guide groove from guiding surface, blocks
Bar, which enters under the promotion of spring along guide groove to rise after guide groove, to be resetted, and ejector pin retaining plate also resets under the promotion of spring, pushes away
Boom end is then extracted from the die cavity of die main body, and spring resets completely.
Embodiment two：
A kind of injection moulding process of microporous foam formation mould described in use embodiment one, comprises the following steps：
Step one：Injection machine matched moulds and locked mode；
Step 2：Injection machine push rod promotes pressure cap, and pressure cap promotes ejector pin retaining plate to be pushed into push rod end by guide rod
In the die cavity of die main body, injection machine push rod is withdrawn, and push rod end is rested in the die cavity of die main body；
Step 3：Injection machine injects melt into the die cavity of die main body；
Step 4：Injection machine push rod promotes pressure cap again, and spring reset promotes ejector pin retaining plate by push rod end launch mode
Has the die cavity of main body, melt release pressure, foaming agent starts foaming；
Step 5：Die sinking, injection machine push rod promotes pressure cap again again, and pressure cap promotes ejector pin retaining plate to push away by guide rod
Boom end is released again realizes blanking by injection molding part ejection；
When needing circulation work, it is repeated in Step 1: Step 3: step 4 and step 5.
It is preferred that, by selecting the push rod of different length or setting the edge clipping of different depth so as to control push rod end to enter
The die cavity of die main body number so that reach adjustment foaming space size effect.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (8)
1. a kind of microporous foam formation mould, it is characterised in that：Including die main body and foaming transfer bar mechanism, foam push rod machine
Structure is included outside the push rod that pressure cap, guide rod, ejector pin retaining plate, spring and one end can be extend into the die cavity of die main body, pressure cap
Guide block is provided with periphery, the annular bottom surface of pressure cap, which is evenly arranged with guiding surface, guide rod outer circumference surface, to be evenly arranged with
It is contact inclined-plane at the top of card article, card article, card article radially protruding is in pressure cap base profile into Access Division, and guide rod top is extended with positioning
Bar, locating rod is penetrated into pressure cap, and guide rod bottom is connected with ejector pin retaining plate, and guide rod is fixed on ejector pin retaining plate, spring two
End is connected with ejector pin retaining plate and die main body respectively；
Uniform offer on pressure cap hole, pressure cap hole hole wall is offered in the lower template of die main body and supplies what Access Division and guide block were connected
Neck and guide groove, neck and guide groove are arranged at intervals, and are had at the notch of neck and are mutually blocked with Access Division after Access Division enters neck
The edge clipping connect；
Isolation part is formed between neck and guide groove, isolation bottom end face is the importing inclined-plane for importing card article, when pressure cap is pressed,
Guiding surface docks to form card article slideway with importing inclined-plane, clockwise or counterclockwise, neck to the isolation between guide groove
Portion and edge clipping formation step trough, the importing inclined-plane of guide groove to the isolation part between neck docks to form slideway with edge clipping.
2. microporous foam formation mould according to claim 1, it is characterised in that：The guide block is two or more, respectively
It is uniformly arranged on pressure cap outer circumference surface, each guide block is connected respectively in neck and/or guide groove.
3. microporous foam formation mould according to claim 1 or 2, it is characterised in that：On the outside of the pressure cap hole at aperture
With the spacing ring for limiting guide block slip.
4. microporous foam formation mould according to claim 1, it is characterised in that：The spring is two, respectively symmetrically
It is arranged on the both sides of ejector pin retaining plate.
5. microporous foam formation mould according to claim 1, it is characterised in that：The push rod is a plurality of, and push rod is fixed
Plate includes offering the first shoulder hole in push pedal and fixed plate, push pedal, is set at the position of fixed plate the first shoulder hole of correspondence
There is counterbore, guide rod is fixed in shoulder hole and counterbore, multiple second shoulder holes is offered in fixed plate, the head of push rod connects respectively
It is connected in the second shoulder hole, fixed plate, which is fixed in push pedal, is fixed on the head of push rod in the second shoulder hole.
6. microporous foam formation mould according to claim 5, it is characterised in that：Die main body has multiple die cavities, pushes away
Bar connects one to one with die cavity.
7. microporous foam formation mould according to claim 1, it is characterised in that：Import the side that inclined-plane imports Access Division
It is provided with importing fillet.
8. microporous foam formation mould according to claim 1, it is characterised in that：Guide block top surface is arranged to inverted " v ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414905.4U CN206374110U (en) | 2016-12-21 | 2016-12-21 | A kind of microporous foam formation mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414905.4U CN206374110U (en) | 2016-12-21 | 2016-12-21 | A kind of microporous foam formation mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206374110U true CN206374110U (en) | 2017-08-04 |
Family
ID=59407228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621414905.4U Expired - Fee Related CN206374110U (en) | 2016-12-21 | 2016-12-21 | A kind of microporous foam formation mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206374110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480948A (en) * | 2019-08-27 | 2019-11-22 | 杭州科技职业技术学院 | A kind of microporous foam injection forming mold |
-
2016
- 2016-12-21 CN CN201621414905.4U patent/CN206374110U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480948A (en) * | 2019-08-27 | 2019-11-22 | 杭州科技职业技术学院 | A kind of microporous foam injection forming mold |
| CN110480948B (en) * | 2019-08-27 | 2021-03-30 | 杭州科技职业技术学院 | Microcellular foaming injection molding mold |
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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: 20170804 Termination date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |