CN207901549U - A kind of injection mold drawing material pin - Google Patents
A kind of injection mold drawing material pin Download PDFInfo
- Publication number
- CN207901549U CN207901549U CN201820096369.0U CN201820096369U CN207901549U CN 207901549 U CN207901549 U CN 207901549U CN 201820096369 U CN201820096369 U CN 201820096369U CN 207901549 U CN207901549 U CN 207901549U
- Authority
- CN
- China
- Prior art keywords
- material pin
- drawing material
- head
- injection mold
- pearl
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 135
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 239000011049 pearl Substances 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection molds to draw material pin, including draws material pin body, draws material pin head；The cylinder structure of the drawing material pin body；One end of material pin body is drawn to be provided with the drawing material pin head described, it is described that material pin head is drawn to draw the axially extending of material pin body along described；At least two drawing material pearls are provided on the drawing material pin head；The drawing material pearl is in elliposoidal structure, is arranged along the axially spaced-apart for drawing material pin body；It is connected with each other between the adjacent drawing material pearl.The utility model is reasonable for structure, draws material pin head to draw material pearl using spaced elliposoidal, increases the contact area drawn between material pin head and material head, greatly enhance the frictional force between material head, it realizes the smooth demoulding of plastic products, while can avoid that material mouth is drawn to tear, improve demoulding efficiency.
Description
Technical field
The utility model is related to injection mold field, more particularly to a kind of injection mold draws material pin.
Background technology
Injection mold is in plastics processing industry and plastic molding press is mating, and imparting plastic products are with complete configuration and accurately
The tool of size.Since plastics variety and processing method are various, the structure of plastic molding press and plastic products is again complicated and simple to differ, institute
It is also varied with the type and structure of injection mold.It is one of a kind of common components in injection mold, injection molding to draw material pin
When stretch into molding mold cavity, when die sinking, pull material head, it made to be detached from cover half, it is auxiliary for being carried out to plastic products
Assisted ejection.In conjunction with Fig. 1, existing drawing material pin generally uses structure as shown in Figure 1, including draws material pin body 1 ' and draw material pin head
2’；It is in inverted cone-shaped structure to draw material pin head.The drawing material pin of this structure in use, the poor bonding strength with plastic products, easily
From drawing material mouth to slip or cause to draw material mouth tearing, the smooth demoulding of plastic products is influenced.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of injection mold drawing material pin, arranged using multiple intervals
The elliposoidal of row draws material pearl, the bond strength between reinforced plastics product and drawing material pin to solve existing drawing material pin and using
Cheng Zhong, the poor bonding strength with plastic products influence the smooth of plastic products easily from drawing material mouth to slip or cause to draw material mouth tearing
The problem of demoulding.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of injection mold drawing material pin, including draw material pin
Body draws material pin head；The cylinder structure of the drawing material pin body；Described one end for drawing material pin body is provided with the drawing material pin head,
It is described that material pin head is drawn to draw the axially extending of material pin body along described；At least two drawing material pearls are provided on the drawing material pin head；It is described
It is in elliposoidal structure to draw material pearl, is arranged along the axially spaced-apart for drawing material pin body；It is mutually interconnected between the adjacent drawing material pearl
It connects.
It is described that the front end of material pin head is drawn to be provided with the drawing material pearl as a kind of preferred embodiment of the utility model, it is described
The tail end of material pin head is drawn to be provided with pull rod；It is provided in one end of the drawing material pin body and is extended axially inwardly along the drawing material pin body
Tie rod hole；The pull rod is installed in the tie rod hole；It is provided with spring in the tie rod hole；The spring is set in described
On pull rod；One end of the spring is connect with the pull rod, and the other end is fixed with the tie rod hole.
As a kind of preferred embodiment of the utility model, the drawing material pearl is 2-5.
As a kind of preferred embodiment of the utility model, the adjacent spacing drawn between material pearl is 2-10mm.
As a kind of preferred embodiment of the utility model, the drawing material bead surface carries out frosted processing, is provided with fine and closely woven
Concave convex texture.
As a kind of preferred embodiment of the utility model, the drawing material pin body is made of SUJ2 steel.
As a kind of preferred embodiment of the utility model, the tail portion for drawing material pin body is provided with connecting seat；The company
It is provided on joint chair along the bolt hole for drawing material pin body axial direction.
Through the above technical solutions, the advantageous effect of technical solutions of the utility model is：The utility model is reasonable for structure, draws
Material pin head draws material pearl using spaced elliposoidal, increases the contact area drawn between material pin head and material head, greatly enhance with
Frictional force between material head, realizes the smooth demoulding of plastic products, while can avoid that material mouth is drawn to tear, and improves demoulding
Efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the drawing material pin structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the utility model.
Number and the corresponding component title represented by letter in figure：
1. material pin body 2. is drawn to draw material 3. connecting seat of pearl
4. spring.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment
In conjunction with Fig. 1, Fig. 2, the utility model discloses a kind of injection molds to draw material pin, is installed on injection mold, is used for
Cooperation carries out assisted demoulding.The utility model includes drawing material pin body 1, drawing material pin head.Draw 1 cylinder structure of material pin body.Draw material
Needle body 1 can be made of SUJ2 steel.It draws material pin body 1 to be connect with the cover half of injection mold, draws material pin body 1 and injection mould for convenience
Tool is fixed, and the tail portion of material pin body 1 can drawn to be provided with connecting seat 3.It is provided on connecting seat 3 axial along drawing material pin body 1
Bolt hole.Connecting seat 3 is fixed by fixing bolt and injection mold.Material pin head is drawn drawing one end of material pin body 1 to be provided with, is drawn
Material pin head is axially extending along drawing material pin body 1.It draws and is provided at least two drawing material pearls 2 on material pin head；It is preferably 2-5 to draw material pearl 2
It is a.It is in elliposoidal structure to draw material pearl 2, is arranged along the axially spaced-apart of material pin body 1 is drawn.It is connected with each other between adjacent drawing material pearl 2.
Material mouth tearing is drawn in order to prevent, while preferably being realized and being drawn material knockout course.The front end of material pin head is drawn to be provided with drawing
Expect pearl 2, the tail end of material pin head is drawn to be provided with pull rod；It is extended axially inwardly along drawing material pin body 1 drawing one end of material pin body 1 to be provided with
Tie rod hole；Pull rod is installed in tie rod hole；Spring 4 is provided in tie rod hole；Spring 4 is set on pull rod；One end of spring 4
It is connect with pull rod, the other end is fixed with tie rod hole.
In order to further increase the frictional force drawn between material pearl 2 and material head, 2 surface of material pearl is drawn to carry out frosted processing, setting
There is fine and closely woven concave convex texture.The adjacent spacing drawn between material pearl 2 is 2-10mm.
By above-mentioned specific embodiment, the utility model has the beneficial effects that：The utility model is reasonable for structure, draws material pin head
Material pearl 2 is drawn using spaced elliposoidal, increases the contact area drawn between material pin head and material head, greatly enhance with material head it
Between frictional force, realize the smooth demoulding of plastic products, at the same can avoid draw material mouth tear, improve demoulding efficiency.
Floating stretching is carried out using spring 4, can effectively avoid moment pulling force excessive, causes to draw material mouth tearing.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. a kind of injection mold draws material pin, which is characterized in that including drawing material pin body, drawing material pin head；The drawing material pin body is in cylinder
Shape structure；One end of material pin body is drawn to be provided with the drawing material pin head described, it is described to draw material pin head along the axis for drawing material pin body
To extension；At least two drawing material pearls are provided on the drawing material pin head；The drawing material pearl is in elliposoidal structure, along the drawing material pin
The axially spaced-apart of body is arranged；It is connected with each other between the adjacent drawing material pearl.
2. injection mold according to claim 1 draws material pin, which is characterized in that the front end setting for drawing material pin head is
Drawing material pearl is stated, the tail end for drawing material pin head is provided with pull rod；It is provided with along the drawing material pin in described one end for drawing material pin body
Body extends axially inwardly tie rod hole；The pull rod is installed in the tie rod hole；It is provided with spring in the tie rod hole；It is described
Spring is set on the pull rod；One end of the spring is connect with the pull rod, and the other end is fixed with the tie rod hole.
3. injection mold according to claim 2 draws material pin, which is characterized in that the drawing material pearl is 2-5.
4. injection mold according to claim 2 draws material pin, which is characterized in that adjacent described draw expects that the spacing between pearl is
2-10mm。
5. injection mold according to claim 2 draws material pin, which is characterized in that the drawing material bead surface carries out at frosted
Reason, is provided with fine and closely woven concave convex texture.
6. injection mold according to claim 4 draws material pin, which is characterized in that the drawing material pin body is made of SUJ2 steel.
7. injection mold according to claim 4 draws material pin, which is characterized in that be provided in the tail portion for drawing material pin body
Connecting seat；It is provided on the connecting seat along the bolt hole for drawing material pin body axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820096369.0U CN207901549U (en) | 2018-01-19 | 2018-01-19 | A kind of injection mold drawing material pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820096369.0U CN207901549U (en) | 2018-01-19 | 2018-01-19 | A kind of injection mold drawing material pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207901549U true CN207901549U (en) | 2018-09-25 |
Family
ID=63564294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820096369.0U Expired - Fee Related CN207901549U (en) | 2018-01-19 | 2018-01-19 | A kind of injection mold drawing material pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207901549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730815A (en) * | 2020-07-03 | 2020-10-02 | 苏州鑫友模具科技有限公司 | Injection molding device for preventing runner from being broken |
-
2018
- 2018-01-19 CN CN201820096369.0U patent/CN207901549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730815A (en) * | 2020-07-03 | 2020-10-02 | 苏州鑫友模具科技有限公司 | Injection molding device for preventing runner from being broken |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |