CN209158815U - Without top trace plastic mould - Google Patents
Without top trace plastic mould Download PDFInfo
- Publication number
- CN209158815U CN209158815U CN201821652741.8U CN201821652741U CN209158815U CN 209158815 U CN209158815 U CN 209158815U CN 201821652741 U CN201821652741 U CN 201821652741U CN 209158815 U CN209158815 U CN 209158815U
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- CN
- China
- Prior art keywords
- lower die
- ejecting structure
- sliding block
- type chamber
- plastic cement
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Abstract
The utility model relates to a kind of without top trace plastic mould, including separable upper die and lower die, and can laterally outwardly be slidably arranged at least one sliding block between upper die and lower die.Upper die and lower die and sliding block are enclosed the type chamber of forming plastic cement product；Lower die is equipped with the ejecting structure that can be stretched out to upper mold, sliding block is isolated between type chamber and ejecting structure by the head of plesiotype chamber, with after sliding block participation has been formed and skidded off outward, ejecting structure can be close to the intracavitary molding plastic cement products of type, and plastic cement products are ejected upwards.Ejecting structure is hidden into slider bottom, it is not contacted directly with plastic cement products and cavity parts, when injection moulding is opened, sliding block is opened in advance, expose ejecting structure, ejection movement is carried out again, and surface does not leave the trace of ejecting structure, guarantees the consistency of product appearance, improve the aesthetics of product, the friction between ejecting structure and cavity positions part is also reduced, the generation of bad risk in production is reduced, extends mould parts service life.
Description
Technical field
The utility model relates to mould applications, more specifically to a kind of without top trace plastic mould.
Background technique
Injection mold structure thimble in the related technology is directly contacted with plastic cement products, and after product injection moulding, surface is stayed
Lower thimble trace causes bad order, and thimble is bascule, is mutually rubbed in batch production process, part thermal wear,
Thimble position is easy to produce flash, causes appearance or function contact risk.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of without top trace plastic mould.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of without top trace plastic mould, packet
Separable upper die and lower die are included, and can laterally outwardly be slidably arranged at least one sliding block between the upper die and lower die；
The upper die and lower die and sliding block are enclosed the type chamber of forming plastic cement product；
The lower die be equipped with can to the upper mold stretch out ejecting structure, the sliding block close to the head of the type chamber every
From between the type chamber and the ejecting structure, with after the sliding block participation form outside skid off, the ejecting structure
Can be close to the intracavitary molding plastic cement products of the type, and the plastic cement products are ejected upwards.
Preferably, the sliding block can be mounted on to lateral sliding in the lower die.
Preferably, the lower die is equipped with the lower forming tank for participating in forming the plastic cement products and/or lower molding protrusion, and
The ejecting structure is staggered in the lower die with the lower forming tank and/or lower molding protrusion.
Preferably, the upper mold is equipped with the upper forming tank for participating in forming the plastic cement products and/or upper molding protrusion；
Draft angle in the upper mold is greater than the draft angle in the lower die.
Preferably, the ejecting structure includes the thimble being threaded through in the lower die, and is arranged in the thimble and institute
State the jacking block of the opposite end of upper mold；
The jacking block surface topography opposite with the type chamber and the intracavitary plastic cement products of the type and the jacking block face
Surface topography is corresponding.
Preferably, the jacking block is detachably arranged on the thimble.
Preferably, the thimble is staggered with the type chamber, and the jacking block is stretched out from the thimble to type chamber side.
Preferably, the thimble is non-circular thimble.
Preferably, the mold includes two sliding blocks that the two opposite sides of the type chamber are arranged in.
Preferably, position corresponding with each sliding block is equipped at least one described ejecting structure in the lower die.
Implement the utility model without top trace plastic mould, have the advantages that ejecting structure is hidden into sliding block bottom
Portion does not contact directly with plastic cement products and cavity parts, and when injection moulding is opened, sliding block is opened in advance, exposes ejecting structure, then
Ejection movement is carried out, surface does not leave the trace of ejecting structure, guarantees the consistency of product appearance, improves the beauty of product
Degree reduces the friction between ejecting structure and cavity positions part, reduces the generation of bad risk in production process, extends mold
The service life of part improves production efficiency, reduces maintenance cost.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is structural schematic diagram when molding without top trace plastic mould in the utility model embodiment；
Fig. 2 is in Fig. 1 without the structural schematic diagram after the trace plastic mould die sinking of top；
Fig. 3 is the structural schematic diagram when ejecting structure without top trace plastic mould in Fig. 2 ejects plastic cement products.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, in one preferred embodiment of the utility model without top trace plastic mould include separable upper mold
1, lower die 2, and can laterally outwardly be slidably arranged in sliding block 3 between upper mold 1, lower die 2；Upper mold 1, lower die 2 and sliding block 3
It is enclosed the type chamber 6 of forming plastic cement product 4.
In conjunction with shown in Fig. 1 to Fig. 3, lower die 2 is equipped with the ejecting structure 5 that can be stretched out to upper mold 1, and sliding block 3 is by plesiotype chamber 6
Head is isolated between type chamber 6 and ejecting structure 5, with after the participation of sliding block 3 has been formed and skidded off outward, ejecting structure 5 can be to type
Molding plastic cement products 4 are close in chamber 6, and plastic cement products 4 are ejected upwards.
Ejecting structure 5 is hidden into 3 bottom of sliding block, does not contact directly with plastic cement products 4 and 6 part of type chamber, injection moulding is opened
When mould, sliding block 3 is opened in advance, exposes ejecting structure 5, then carry out ejection movement, and surface does not leave the trace of ejecting structure 5, is protected
The consistency for demonstrate,proving product appearance improves the aesthetics of product, reduces the friction between ejecting structure 5 and 6 position part of type chamber,
The generation for reducing bad risk in production process, extends the service life of mould parts, improves production efficiency, reduce maintenance at
This.
In the present embodiment, mold includes two sliding blocks 3 that the two opposite sides of type chamber 6 are arranged in, in other embodiments, sliding
The quantity of block 3 can also be one or other quantity, and arrangement mode can also be without limitation on mold.
Sliding block 3 can be mounted on to lateral sliding in lower die 2, and when die sinking, the Slideslip to outside mold with movable slider 3 of upper mold 1 is closed
When mould, upper mold 1 is with movable slider 3 to sliding in the middle part of mold, and after the tool molding of upper and lower mould 2, the structures such as upper mold 1, lower die 2, sliding block 3 are in mould
Tool middle part is enclosed type chamber 6, the injection molding into mold for nozzle 7.
In some embodiments, ejecting structure 5 includes the thimble 51 that is threaded through in lower die 2, and setting thimble 51 with
The jacking block 52 of the opposite end of upper mold 1, jacking block 52 can increase ejection area, reduce the stress in product surface particular range,
It avoids local pressure excessive and deforms.
Preferably, in the surface topography opposite with type chamber 6 of jacking block 52 and type chamber 6 plastic cement products 4 and 52 face of jacking block table
Face shape is corresponding, allows and is more uniformly stressed.
Jacking block 52 can be structure as a whole with thimble 51, and jacking block 52 can also be to be detachably arranged on thimble 51.Thimble
51 are staggered with type chamber 6, can interference to avoid thimble 51 with the feature on plastic cement products 4, and jacking block 52 is from thimble 51 to type chamber 6 one
Side is stretched out, and jacking block 52 is allowed to be responsible for ejection plastic cement products 4.
In the present embodiment, thimble 51 is non-circular thimble 51, it is preferable that thimble 51 is flat thimble 51, can be prevented
It is rotated in ejection process.In other embodiments, if can prevent from rotating, thimble 51 can also be dome needle.In lower die 2 with each cunning
The corresponding position of block 3 is equipped with one or more ejecting structures 5, and the quantity of ejecting structure 5 can be set according to the size of product, shape
It is fixed.
Lower die 2 is equipped with the lower forming tank for participating in forming plastic cement product 4, lower molding protrusion, and ejecting structure 5 and lower molding
Slot, lower molding protrusion are staggered in lower die 2, and ejecting structure 5 is allowed to be not involved in molding, moreover it is possible to the lower forming tanks of plastic cement products 4, under
Part ejection except molding protrusion.According to 4 structure of plastic cement products, lower forming tank, lower molding protrusion can be arranged simultaneously, can also
It is separately provided.
Further, in some embodiments, upper mold 1 is equipped with the upper forming tank for participating in forming plastic cement product 4, upper molding
Protrusion；In order to reduce the adsorption capacity between plastic cement products 4 and upper mold 1, the draft angle in upper mold 1 is greater than the draft angle in lower die 2,
It is first demoulded convenient for plastic cement products 4 and upper mold 1.According to 4 structure of plastic cement products, upper forming tank, upper molding protrusion can be arranged simultaneously,
It can also be separately provided.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. it is a kind of without top trace plastic mould, which is characterized in that including separable upper mold (1), lower die (2), and can laterally to
It is slidably arranged at least one sliding block (3) between the upper mold (1), lower die (2) outside；
The upper mold (1), lower die (2) and sliding block (3) are enclosed the type chamber (6) of forming plastic cement product (4)；
The lower die (2) is equipped with the ejecting structure (5) that can be stretched out to the upper mold (1), and the sliding block (3) is close to the type chamber
(6) head is isolated between the type chamber (6) and the ejecting structure (5), to participate in having formed outward in the sliding block (3)
After skidding off, the ejecting structure (5) can into the type chamber (6) molding plastic cement products (4) it is close, and by the plastic cement products
(4) ejection upwards.
2. according to claim 1 without top trace plastic mould, which is characterized in that the sliding block (3) can pacify to lateral sliding
On the lower die (2).
3. according to claim 1 without top trace plastic mould, which is characterized in that the lower die (2), which is equipped with, participates in molding
The lower forming tank of the plastic cement products (4) and/or lower molding protrusion, and the ejecting structure (5) and the lower forming tank and/
Or lower molding protrusion is staggered on the lower die (2).
4. according to claim 3 without top trace plastic mould, which is characterized in that the upper mold (1), which is equipped with, participates in molding
The upper forming tank of the plastic cement products (4) and/or upper molding protrusion；
Draft angle on the upper mold (1) is greater than the draft angle on the lower die (2).
5. according to any one of claims 1 to 4 without top trace plastic mould, which is characterized in that ejecting structure (5) packet
The thimble (51) being threaded through on the lower die (2) is included, and is arranged in the thimble (51) and the upper mold (1) opposite end
Jacking block (52)；
The jacking block (52) and the opposite surface topography of the type chamber (6) and the type chamber (6) interior plastic cement products (4) and the top
The surface topography of block (52) face is corresponding.
6. according to claim 5 without top trace plastic mould, which is characterized in that the jacking block (52) is detachably arranged in
On the thimble (51).
7. according to claim 5 without top trace plastic mould, which is characterized in that the thimble (51) and the type chamber (6)
It is staggered, the jacking block (52) is stretched out by the thimble (51) Xiang Suoshu type chamber (6) side.
8. according to claim 5 without top trace plastic mould, which is characterized in that the thimble (51) is non-circular thimble
(51).
9. according to claim 5 without top trace plastic mould, which is characterized in that the mold includes being arranged in the type chamber
(6) two sliding blocks (3) of two opposite sides.
10. it is according to claim 9 without top trace plastic mould, which is characterized in that on the lower die (2) with each cunning
The corresponding position of block (3) is equipped at least one described ejecting structure (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652741.8U CN209158815U (en) | 2018-10-11 | 2018-10-11 | Without top trace plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652741.8U CN209158815U (en) | 2018-10-11 | 2018-10-11 | Without top trace plastic mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209158815U true CN209158815U (en) | 2019-07-26 |
Family
ID=67333496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821652741.8U Active CN209158815U (en) | 2018-10-11 | 2018-10-11 | Without top trace plastic mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209158815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536988A (en) * | 2020-11-20 | 2021-03-23 | 东风汽车集团有限公司 | Demoulding device of formula of hiding runner |
| CN117047064A (en) * | 2023-10-12 | 2023-11-14 | 四川富生电器有限责任公司 | Method for controlling demolding sequence of centrifugal casting mold of motor rotor |
-
2018
- 2018-10-11 CN CN201821652741.8U patent/CN209158815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536988A (en) * | 2020-11-20 | 2021-03-23 | 东风汽车集团有限公司 | Demoulding device of formula of hiding runner |
| CN112536988B (en) * | 2020-11-20 | 2022-02-01 | 东风汽车集团有限公司 | Demoulding device of formula of hiding runner |
| CN117047064A (en) * | 2023-10-12 | 2023-11-14 | 四川富生电器有限责任公司 | Method for controlling demolding sequence of centrifugal casting mold of motor rotor |
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