CN207841555U - The automatic punching of blow mold takes waste material device - Google Patents
The automatic punching of blow mold takes waste material device Download PDFInfo
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- CN207841555U CN207841555U CN201820086857.3U CN201820086857U CN207841555U CN 207841555 U CN207841555 U CN 207841555U CN 201820086857 U CN201820086857 U CN 201820086857U CN 207841555 U CN207841555 U CN 207841555U
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- punching
- waste material
- mold insert
- cylinder
- blow
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of automatic punching of blow mold and takes waste material device, it includes punching mold insert, ejection mold insert and the power unit for being punched out to blow molded product, the power unit includes the first cylinder and the second cylinder being connected respectively with punching mold insert and ejection mold insert, the punching mold insert has the edge of a knife and back-off structure positioned at its front end, the back-off structure is located on rear side of the edge of a knife carries out receiving and hook with the waste material formed to punching, and the ejection mold insert ejects the waste material outward after blow molded product takes out.The automatic punching of the utility model blow mold takes the punching mold insert of waste material device to have back-off structure, and the plastic material on the inside of back-off structure is lived in hook, and waste material when punching slot is avoided to fall to inside blow molded product and stick on blow molded product inner wall；After blow molded product taking-up, ejection mold insert ejection is blocked in the waste material at the edge of a knife and back-off structure, to realize that the automatic punching of blow mold takes waste material.
Description
Technical field
The utility model is related to a kind of blow molds more particularly to a kind of automatic punching of blow mold to take waste material device.
Background technology
For plasthetics after carrying out blow molding by blow mold, some blow molded products need the trepanning on product, and
The mode of trepanning at present after blow molded product is is taken out by one kind after blow molding, then is machined, but so operation
Not only production efficiency is relatively low, is difficult to be accurately positioned, but also is machined the waste material generated and is easy to fall to interiors of products, to shadow
Ring product quality；Another kind is carries out automatic cutting while blow molding, however under the action of inertia, when punching is fat empty
The waste material of knife-edge part is blocked in there is no any anticreep facility, waste material is extremely easy to drop to be arrived in product cavity, simultaneously because when punching
Product inner wall temperature is very high, and the waste material fallen into can be sticked on product inner wall and can not be taken out, and then cause product bad.
Therefore, it is necessary to which providing a kind of automatic punching of blow mold takes waste material device to overcome the above problem.
Utility model content
The purpose of this utility model is to provide a kind of automatic punchings of blow mold to take waste material device.
To realize above-mentioned purpose of utility model, the utility model provides a kind of automatic punching of blow mold and waste material is taken to fill
It sets comprising punching mold insert, ejection mold insert and power unit, the power unit for being punched out to blow molded product include
The first cylinder and the second cylinder being connected respectively with punching mold insert and ejection mold insert, the punching mold insert have positioned at its front end
The edge of a knife and back-off structure, the back-off structure is located on rear side of the edge of a knife carries out receiving and hook with the waste material formed to punching,
The ejection mold insert ejects the waste material outward after blow molded product takes out.
The back-off structure is annular in shape as a further improvement of the utility model, and it has towards the side of central shaft
To the protruding portion of projection.
Internal diameter of the back-off structure on rear side of the protruding portion is more described prominent as a further improvement of the utility model,
The internal diameter for going out portion corresponding position is big.
The punching mold insert is hollow type tubular structure as a further improvement of the utility model, is had along front and back
The receiving space that direction extends, the ejection mold insert are in rod-shaped, and its rear end is fixedly connected with the piston rod of the second cylinder, and forward
It is pierced by after extending into the piston rod of first cylinder, to extend further into the receiving space of the punching mold insert.
The rear end of the punching mold insert and the piston rod of the first cylinder are fixed and are connected as a further improvement of the utility model,
It connects, wherein the punching mold insert also has positioned at the auxiliary section of rear side, the auxiliary section is in hollow shape, is sheathed on the work
Outside stopper rod leading portion.
The automatic punching of the blow mold takes waste material device also to have sealing as a further improvement of the utility model,
Unit, the sealing unit clamping are set between the front end of the piston rod and the internal face of the auxiliary section.
The piston rod front end of first cylinder is provided with container as a further improvement of the utility model, described
Sealing unit includes sealing ring and sealing ring pressing plate, and the sealing ring is mounted on the container of the piston rod front end of the first cylinder
Interior, the sealing ring pressing plate, which compresses, is set to the piston rod front end face of the first cylinder to compress the sealing ring.
The piston rod of the second cylinder travels forward and then the ejection is driven to inlay as a further improvement of the utility model,
Part travels forward and ejects the waste material being blocked at the edge of a knife and back-off structure.
The blow mold has the first die body and the second mould mutually fastened as a further improvement of the utility model,
Body, and the cylinder body of the first, second cylinder is fixedly connected with the first die body is waited for blow molded product in the cavity of first die body
The corresponding face of extended surface for being punched hole end surface is punching hole end surface, and the edge of a knife for being punched mold insert extends beyond forward the punching nose end
Face, and extend beyond ranging from 0.5-1mm.
The automatic punching of the blow mold takes waste material device also to have and fixes as a further improvement of the utility model,
Limited post on the piston rod of the first cylinder, in the cooling stage of blow molded product, first cylinder is moved backward so as to rush
The rear end face of the punching mold insert is connected to the front end of the limited post when cutting mold insert reset, and resetting.
The utility model has the beneficial effects that：The automatic punching of the utility model blow mold takes the punching of waste material device to inlay
Part has the back-off structure being located on rear side of the edge of a knife, and the plastic material on the inside of back-off structure is lived in hook, avoids producing in blowing
Waste material on product when punching slot falls to inside blow molded product and sticks on blow molded product inner wall；After blow molded product taking-up,
Ejection mold insert ejection is blocked in the waste material at the edge of a knife and back-off structure, to realize that the automatic punching of blow mold takes waste material.
Description of the drawings
Fig. 1 is that the automatic punching of the utility model blow mold takes waste material device, and the solid in blow mold is shown
It is intended to.
Fig. 2 is after the automatic punching of blow mold shown in Fig. 1 takes waste material device to remove the wherein half of blow mold
Stereoscopic schematic diagram.
Fig. 3 is the stereoscopic schematic diagram after the automatic punching of blow mold shown in Fig. 2 takes waste material device to remove blow molded product.
Fig. 4 is that the automatic punching of blow mold shown in Fig. 2 takes the schematic cross-sectional view of waste material device.
Fig. 5 is the enlarged diagram at A in Fig. 4.
Fig. 6 is the enlarged diagram at B in Fig. 4.
Specific implementation mode
The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments
It is not intended to limit the utility model, structure, method or the work(that those skilled in the art are made according to these embodiments
Transformation on energy is all contained in the scope of protection of the utility model.
It please refers to shown in Fig. 1 to Fig. 6, the preferable implementation of waste material device is taken for the automatic punching of the utility model blow mold
Mode.The automatic punching of the utility model blow mold take waste material device in blow mold 1 be molded blow molded product 2 when into
The waste material that one step is generated to 2 trepanning of blow molded product and by trepanning is detached from, and the automatic punching of the blow mold takes waste material device packet
Include punching mold insert 3, ejection mold insert 4, sealing unit 5 and power unit 6.
The blow mold 1 has the first die body 11 and the second die body 12 mutually fastened, and the first die body 11 and second
Die body 12 all has hollow cavity 10, and the blow molded product 2 takes shape in the cavity 10 and is located in first die body
11 and second between die body 12.First die body 11 also has inflatable mouth 112, for gassing pipe is arranged（It is not shown）.
In the present embodiment, in order to express easily, it will hereafter be punched mold insert 3 and eject what mold insert 4 was connected with power unit 6
One end is considered as rear end, the other end（Namely close to one end of blow molded product 2）It is considered as front end.
Please join Fig. 1 to Fig. 2, and combine shown in Fig. 4 and Fig. 6, the power unit 6 include respectively with punching mold insert 3 and top
Go out mold insert 4 connected the first cylinder 61 and the second cylinder 62, and the first cylinder 61, the cylinder body of the second cylinder 62 and the first die body 11
It is fixedly connected.Wherein, the piston rod 611 of first cylinder 61 is in hollow form, and its front end is provided with container 612.
It please join shown in fig. 4 to fig. 6, the punching mold insert 3 is hollow type tubular structure, with what is extended along the longitudinal direction
Receiving space, further, the punching mold insert 3 have the edge of a knife 31 positioned at its front end, falling positioned at 31 rear side of the edge of a knife
Buckle structure 32 and the receiving face 33 on rear side of the back-off structure 32, the receiving face 33 are arranged towards the blow molded product 2
To prevent plastic material from flowing out backward.The back-off structure 32 is annular in shape, and it has the direction projection towards central shaft
Protruding portion 321.The back-off structure 32 is in the internal diameter of internal diameter 321 corresponding position of protruding portion of 321 rear side of protruding portion
Greatly, so that 321 hook of the protruding portion lives in the plastic material into 32 inside of back-off structure, the punching on blow molded product 2 is avoided
Waste material when slot falls to 2 inside of blow molded product and sticks on 2 inner wall of blow molded product, the artificial waste material forgotten cleaning and be punched
And waste material can not take out problem from hollow cavity；And then efficiency and quality are improved, cost is reduced, mitigates working strength.
The rear end of the punching mold insert 3 is fixedly connected with the piston rod 611 of the first cylinder 61, wherein the punching mold insert 3
Also having positioned at the auxiliary section 34 of rear side, the auxiliary section 34 is in hollow shape, is sheathed on outside 611 leading portion of the piston rod,
The clamping of the sealing unit 5 is set between the front end of the piston rod 611 and the internal face of the auxiliary section 34.
It please join shown in fig. 4 to fig. 6, the ejection mold insert 4 is in rod-shaped, and its rear end and the piston rod 621 of the second cylinder 62 are solid
Fixed connection, and be pierced by after extending forward into the piston rod 611 of first cylinder 61, to extend further into the punching mold insert
In 3 receiving space.
It please join shown in Fig. 4 to Fig. 5, the sealing unit 5 includes sealing ring 51 and sealing ring pressing plate 52.The sealing ring 51
In the container 612 of 611 front end of piston rod of the first cylinder 61, the sealing ring pressing plate 52, which compresses, is set to the first gas
611 front end face of piston rod of cylinder 61 is to compress the sealing ring 51.
It please refers to shown in Fig. 4 and Fig. 5, the automatic punching of the utility model blow mold takes waste material device also to have limited post
7, the limited post 7 is fixed on the piston rod 611 of the first cylinder 61.
When being punched out to blow molded product 1 and taking waste material, the punching mold insert 3 is located in the blow mold 1 and blows
The position corresponding position in 2 hole to be punched of molding product, the interior hole end surface to be punched with blow molded product 2 of cavity 10 of first die body 11
The corresponding face of extended surface be punching hole end surface 113, punching mold insert 3 the edge of a knife 31 be higher than（Namely it extends beyond forward）The punching
Cut hole end face 113, and difference in height ranging from 0.5-1mm.
When blow molding, the piston rod 611 of the cooling stage of blow molded product 2 in blow molding, the first cylinder 61 drives
Punching mold insert 3 is gone out out of hole punching, and blowing has been embedded in the edge of a knife 31 of 2 cooling stage of blow molded product, the punching mold insert 3
0.5-1mm in product 2, punching 3 inside punching of mold insert goes out 2 required hole of blow molded product, due to being punched the knife-edge positions of mold insert 3
Back-off structure 32 is done, the plastic material in blow molding is attached in the edge of a knife 31 and back-off structure 32 of punching mold insert 3
Wall surface passes through solenoid valve later（It is not shown）Change the direction of motion of the first cylinder 61 so that punching mold insert 3 resets so that punching
The rear end face of mold insert 3 is abutted to the front end of the limited post 7；Wait for that blow molded product 2 cools down, blow mold 1 molds, and takes out blowing production
Product 2, then driven forwards ejection mold insert 4 by the piston rod 621 of the second cylinder 62 and then ejected and be blocked in the edge of a knife 31 and back-off structure
Waste material at 32, to realize that the automatic punching of blow mold 1 takes waste material.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiment of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body illustrates that they are all without departing from made by the utility model skill spirit not to limit the scope of protection of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of automatic punching of blow mold takes waste material device, it is characterised in that：It includes for being rushed to blow molded product
Punching mold insert, ejection mold insert and the power unit cut, the power unit include being connected respectively with punching mold insert and ejection mold insert
The first cylinder and the second cylinder, it is described punching mold insert have positioned at its front end the edge of a knife and back-off structure, the back-off structure
Receiving and hook, ejection mold insert after blow molded product takes out are carried out with the waste material formed to punching on rear side of the edge of a knife
The waste material is ejected outward.
2. the automatic punching of blow mold as described in claim 1 takes waste material device, it is characterised in that：The back-off structure is in
Cyclic annular and its protruding portion with the direction projection towards central shaft.
3. the automatic punching of blow mold as claimed in claim 2 takes waste material device, it is characterised in that：The back-off structure in
Internal diameter on rear side of the protruding portion is big compared with the internal diameter of the protruding portion corresponding position.
4. the automatic punching of blow mold as claimed in claim 2 or claim 3 takes waste material device, it is characterised in that：The punching edge
Part is hollow type tubular structure, has the receiving space that extends along the longitudinal direction, the ejection mold insert in rod-shaped, its rear end and
The piston rod of second cylinder is fixedly connected, and is pierced by after extending forward into the piston rod of first cylinder, further to stretch
In the receiving space for entering the punching mold insert.
5. the automatic punching of blow mold as claimed in claim 4 takes waste material device, it is characterised in that：The punching mold insert
Rear end is fixedly connected with the piston rod of the first cylinder, wherein the punching mold insert also has positioned at the auxiliary section of rear side, it is described
Auxiliary section is in hollow shape, is sheathed on outside the piston rod leading portion.
6. the automatic punching of blow mold as claimed in claim 5 takes waste material device, it is characterised in that：The blow mold
Automatic punching takes waste material device also to have a sealing unit, the sealing unit clamp be set to the front end of the piston rod with it is described
Between the internal face of auxiliary section.
7. the automatic punching of blow mold as claimed in claim 6 takes waste material device, it is characterised in that：First cylinder
Piston rod front end is provided with container, and the sealing unit includes sealing ring and sealing ring pressing plate, and the sealing ring is mounted on the
In the container of the piston rod front end of one cylinder, the sealing ring pressing plate compress be set to the piston rod front end face of the first cylinder with
The sealing ring is compressed.
8. the automatic punching of blow mold as claimed in claim 4 takes waste material device, it is characterised in that：The piston of second cylinder
Bar travels forward and then the ejection mold insert is driven to travel forward and eject the waste material being blocked at the edge of a knife and back-off structure.
9. the automatic punching of blow mold as claimed in claim 5 takes waste material device, it is characterised in that：The blow mold tool
There is the first die body and the second die body mutually fastened, and the cylinder body of the first, second cylinder is fixedly connected with the first die body, described
Face corresponding with the extended surface of hole end surface to be punched of blow molded product is punching hole end surface in the cavity of one die body, is punched mold insert
The edge of a knife extends beyond forward the punching hole end surface, and extends beyond ranging from 0.5-1mm.
10. the automatic punching of blow mold as claimed in claim 5 takes waste material device, it is characterised in that：The blow mold
Automatic punching take waste material device also to have to be fixed on limited post on the piston rod of the first cylinder, in the cooling rank of blow molded product
Section, first cylinder are moved backward so as to be punched mold insert reset, and the rear end face of the punching mold insert is connected to institute when reset
State the front end of limited post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086857.3U CN207841555U (en) | 2018-01-18 | 2018-01-18 | The automatic punching of blow mold takes waste material device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086857.3U CN207841555U (en) | 2018-01-18 | 2018-01-18 | The automatic punching of blow mold takes waste material device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207841555U true CN207841555U (en) | 2018-09-11 |
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ID=63415264
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820086857.3U Active CN207841555U (en) | 2018-01-18 | 2018-01-18 | The automatic punching of blow mold takes waste material device |
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| Country | Link |
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| CN (1) | CN207841555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743624A (en) * | 2020-12-14 | 2021-05-04 | 亚普汽车部件股份有限公司 | Auxiliary mechanism and method for forming hollow body edge clamping hole |
-
2018
- 2018-01-18 CN CN201820086857.3U patent/CN207841555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743624A (en) * | 2020-12-14 | 2021-05-04 | 亚普汽车部件股份有限公司 | Auxiliary mechanism and method for forming hollow body edge clamping hole |
| CN112743624B (en) * | 2020-12-14 | 2022-05-20 | 亚普汽车部件股份有限公司 | Auxiliary mechanism and method for forming hollow body edge clamping hole |
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