CN208896407U - A kind of hot runner structure of automatically lock - Google Patents
A kind of hot runner structure of automatically lock Download PDFInfo
- Publication number
- CN208896407U CN208896407U CN201821200611.0U CN201821200611U CN208896407U CN 208896407 U CN208896407 U CN 208896407U CN 201821200611 U CN201821200611 U CN 201821200611U CN 208896407 U CN208896407 U CN 208896407U
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- runner
- needle
- cavity
- head
- hot
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Abstract
The utility model discloses a kind of hot runner structures of automatically lock, including flow distribution plate, feed nozzle, several hot nozzles and needle-valve, flow passage structure is equipped in the flow distribution plate, wherein flow passage structure includes the introducing runner that plate body center is arranged in, the starting point for introducing runner is connected with the upper surface outer fix of plate body, and it is fixed to being connected to feed nozzle with bolt to introduce the starting point port of runner, the utility model drives pull back under the action of the spring, it is intracavitary to be recycled to ejection for head at this time, head can hide recycling in this way, it is whole not only head to be protected not damaged by the external world, head also has plugging action simultaneously, it can be flowed out to avoid material from spray orifice when material pressure is smaller, to have the function of automatically lock, it avoids the waste of material and avoids increasing the processes such as injection product surface cleaning.
Description
Technical field
The utility model relates to injection molding technology fields, more particularly, to a kind of hot runner structure of automatically lock.
Background technique
Injection molding is a kind of method of industrial products production moulding.Product is usually using rubber injection mold and plastic injection.Injection molding
Molding die platen press and casting die can also be dispensed.
Injection (mo(u)lding) machine (abbreviation injector or injection molding machine) is that thermoplastic or thermosetting property material are utilized plastic forming dies
The main molding equipment of plastic products of various shapes is made in tool, and injection moulding is realized by injection molding machine and mold.
Injection is divided into rubber injection mold, plastic injection and injection molding, and injection molding of rubber is a kind of by the direct slave of sizing material
The production method of cylinder injection model vulcanization；Plastic injection is a kind of method of plastic products, and the plastics of melting are infused using pressure
Into in plastic product mold, cooling and shaping obtain wanting various plastic parts, there is the mechanical injection molding machine dedicated for being molded, mesh
Preceding most-often used plastics are polystyrene；The resulting shape of injection molding is often exactly end product, in installation or as most
Other processing are no longer needed before finished product use, many thin portions, such as lug boss, rib, screw thread can be in injection moldings
It forms out in single stepping.
But at present in injection moulding process hot mouth cannot achieve discharging it is self-locking, when pressure becomes smaller and needle-valve is not turned off be easy
There is the case where low pressure material leakage, often generate the waste of material, and needs to increase the processes such as injection product surface cleaning.
Utility model content
The utility model is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem mentions
For a kind of hot runner structure of automatically lock, to avoid material waste and avoid increasing the processes such as injection product surface cleaning.
Technical solution provided by the utility model is:
A kind of hot runner structure of automatically lock, including flow distribution plate, feed nozzle, several hot nozzles and needle-valve, described point
Flow passage structure is equipped in flowing plate, wherein flow passage structure includes the introducing runner that plate body center is arranged in, and introduces rising for runner
Beginning is connected with the upper surface outer fix of plate body, and it is fixed to being connected to charging with bolt to introduce the starting point port of runner
Mouth, the inner cavity of feed nozzle are connected with runner is introduced；The flow passage structure includes the flat company being arranged on the inside of plate body of a plurality of material
Through-flow logical, connection, which is circulated, to be connected close to the starting point at plate body center with the end for introducing runner；Flow passage structure further includes a plurality of
Extraction runner on the inside of plate body is set, draws runner and is arranged in a one-to-one correspondence with circulation be connected to, and the starting point of extraction runner and
The end of connection circulation is connected, and the end for drawing runner is connected with the lower surface outer fix of plate body, by that will melt
The fluent material for melting state, which is injected into, to be introduced in runner, and the shunting by connection circulation allows fluent material to flow out from runner is drawn；
It is fixed to being connected to hot nozzle that the end port for drawing runner is all made of bolt, the inner cavity of hot nozzle and draws the coaxial simultaneously phase of runner
It is intercommunicated；The shape form that the bottom of the hot nozzle is threadedly coupled is fixedly installed with needle-valve, and the needle of needle-valve is located at hot nozzle
Inner cavity in, the upper surface of flow distribution plate offers and draws the runner needle cavity that corresponds and be interconnected, needle cavity and extraction stream
Road coaxial arrangement；The upper end of the needle is penetrated through drawing runner activity to needle cavity；One is a pair of at the upper port of the needle cavity
It should be provided with needle-valve electric cylinder, needle-valve electric cylinder is bolted to the upper surface of flow distribution plate, and the cylinder shaft of needle-valve electric cylinder is living
It is dynamic to penetrate to needle cavity and be fixedly connected with the upper end of needle by shaft coupling, it is coaxially set between the cylinder shaft and needle of needle-valve electric cylinder
It sets, is linearly moved in needle cavity by needle-valve electric cylinder valve needle, to realize the switch of needle-valve, then realized to thermal jet
The switch control of mouth；Needle-valve electric cylinder connects servo-driver in actual use, is realized using servo-driver to needle-valve electric cylinder
Driving；The outlet at bottom screw thread of the needle-valve is connected to self-locking head, and the self-locking head includes nozzle body, the nozzle body from
It is successively made of attachment base, core print seat and end seat under, is in integral type knot between the attachment base, core print seat and end seat
Structure, is equipped with the thread cavity of formula up and down in the attachment base, and the inwall processing of thread cavity has a helicitic texture, in core print seat from up to
Under be successively arranged conical cavity be connected to chamber, the ejection chamber of formula up and down, thread cavity, conical cavity, connection chamber are equipped in the seat of end
And spray chamber successively tandem docking and be in close coupled type structure；The center of the connection chamber is fixedly welded with to be set in material is flat
The isolation board set, uniformly offers the deflector hole of formula up and down on isolation board, and during the center of isolation board offers
Heart hole, activity is interspersed with the pull rod being vertically arranged in centre bore, and the upper end of pull rod is integrally formed with disk-shaped spacing head,
Spring is equipped between spacing head and isolation board, and spring is actively set on pull rod；The lower end activity of the pull rod stretches to ejection
It is intracavitary, and the lower end of pull rod is fixed with ejecting head；Wherein the outer surface of ejecting head is bonded setting with the inner surface sliding for spraying chamber,
The upper surface center of the ejecting head offers the storage cavity of recess, the bottom of pull rod and the inner bottom surface center of storage cavity
Position is welded and fixed, between pull rod and the medial surface of storage cavity be spaced setting, and the center side position of ejecting head offer with
The spray orifice that storage cavity is connected；Therefore in actual use, ambient pressure material enters ejection chamber with chamber is connected to through conical cavity, this
When spray intracavitary pressure and increase and go out the crown, when spray orifice is exposed to the outside of end seat, high-pressure material is sprayed through spray orifice, and is worked as
Close needle-valve when, spray chamber internal pressure become smaller, under the action of the spring drive pull back, at this time head be recycled to spray it is intracavitary, this
Sample head can hide recycling, whole not only head to be protected not damaged by the external world, while head also has plugging action, smaller in material pressure
When can to avoid material from spray orifice flow out, to have the function of automatically lock.
As a further solution of the present invention: the cylindrical structure of ejecting head.
As a further solution of the present invention: the pull rod is in direct rod shape structure.
As a further solution of the present invention: the diameter of the spacing head is greater than the diameter of centre bore.
It pulls back the utility model has the beneficial effects that the utility model drives under the action of the spring, head is recycled to spray at this time
Intracavitary out, such head can hide recycling, whole not only head to be protected not damaged by the external world, while head also has plugging action,
It can be flowed out to avoid material from spray orifice when material pressure is smaller, to have the function of automatically lock, avoid the waste of material and keep away
Exempt to increase the processes such as injection product surface cleaning.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
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, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the top view of the utility model.
Fig. 3 is the partial structural diagram one of the utility model.
Fig. 4 is the partial structural diagram two of the utility model.
In figure: 1- flow distribution plate, 2- introduce runner, 3- connection circulation, 4- draw runner, 5- electrothermal tube slot, 6- feed nozzle,
7- needle-valve electric cylinder, 8- hot nozzle, 9- needle cavity, 10- self-locking head, 11- attachment base, 12- core print seat, the end 13- seat, 14- conical cavity,
15- is connected to chamber, 16- sprays chamber, 17- isolation board, 18- centre bore, 19- spacing head, 20- spring, 21- pull rod, 22-, 23-
Storage cavity, 24- spray orifice, 25- thread cavity.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~4, in the utility model embodiment, a kind of hot runner structure of automatically lock, including flow distribution plate 1,
Feed nozzle 2, several hot nozzles 8 and needle-valve, the flow distribution plate 1 is interior to be equipped with flow passage structure, and wherein flow passage structure includes that setting exists
The introducing runner 2 of 1 center of plate body, the starting point for introducing runner 2 is connected with the upper surface outer fix of plate body 1, and draws
The starting point port of air stream enter runner 2 is fixed to feed nozzle 6 is connected to bolt, and the inner cavity of feed nozzle 6 is connected with runner 2 is introduced；Institute
Stating flow passage structure includes the flat connection circulation 3 that 1 inside of plate body is arranged in of a plurality of material, and connection circulation 3 rises close to 1 center of plate body
Beginning is connected with the end for introducing runner 2；Flow passage structure further includes a plurality of extraction runner 4 that 1 inside of plate body is arranged in, and is drawn
Runner 4 is arranged in a one-to-one correspondence with circulation 3 is connected to, and the starting point for drawing runner 4 is connected with the end of connection circulation 3, described
The end for drawing runner 4 is connected with the lower surface outer fix of plate body 1, is drawn by the way that the fluent material of molten condition to be injected into
In air stream enter runner 2, the shunting by connection circulation 3 allows fluent material to flow out from runner 4 is drawn；The end port for drawing runner 4
It is fixed to hot nozzle 8 is connected to be all made of bolt, the inner cavity of hot nozzle 8 is coaxial with extraction runner 4 and is interconnected；The hot nozzle
The shape form that 8 bottom is threadedly coupled is fixedly installed with needle-valve, and the needle of needle-valve is located in the inner cavity of hot nozzle 8, flow distribution plate 1
Upper surface offer and draw runner 4 and correspond and interconnected needle cavity 9, needle cavity 9 and draw runner 4 and be coaxially disposed；
The upper end of the needle is penetrated through drawing 4 activity of runner to needle cavity 9；It has been arranged in a one-to-one correspondence at the upper port of the needle cavity 9
Needle-valve electric cylinder 7, needle-valve electric cylinder 7 are bolted to the upper surface of flow distribution plate 1, and the cylinder shaft activity of needle-valve electric cylinder 7 is worn
Enter to needle cavity 9 and be fixedly connected with the upper end of needle by shaft coupling, is coaxially set between the cylinder shaft and needle of needle-valve electric cylinder 7
It sets, is linearly moved in needle cavity 9 by 7 valve needle of needle-valve electric cylinder, to realize the switch of needle-valve, then realized to heat
The switch control of nozzle 8；Needle-valve electric cylinder 7 connects servo-driver in actual use, is realized using servo-driver to needle-valve electricity
The driving of dynamic cylinder 7；The outlet at bottom screw thread of the needle-valve is connected to self-locking head 10, and the self-locking head 10 includes nozzle body, described
Nozzle body successively 13 is made of attachment base 11, core print seat 12 and end seat from top to bottom, the attachment base 11, core print seat 12 and
Be in integral structure between end seat 13, be equipped with the thread cavity 25 of formula up and down in the attachment base 11, thread cavity 25 it is interior
Wall is threaded structure, be successively arranged from top to bottom in core print seat 12 conical cavity 14 be connected to chamber 15, be equipped in end seat 13 upper
Under through ejection chamber 16, thread cavity 25, conical cavity 14, connection chamber 15 and spray the successively tandem docking and in coaxial of chamber 16
Formula structure；The center of the connection chamber 15 is fixedly welded with the isolation board 17 in the flat setting of material, on isolation board 17 uniformly
The deflector hole for offering formula up and down, and the center of isolation board 17 offers centre bore 18, activity in centre bore 18
Be interspersed with the pull rod 21 being vertically arranged, and the upper end of pull rod 21 is integrally formed with disk-shaped spacing head 19, spacing head 19 with
Spring 20 is equipped between isolation board 17, and spring 20 is actively set on pull rod 21；The lower end activity of the pull rod 21 stretches to spray
Out in chamber 16, and the lower end of pull rod 21 is fixed with ejecting head 22；The wherein inner surface of the outer surface of ejecting head 22 and ejection chamber 16
Sliding fitting setting, the upper surface center of the ejecting head 22 offers the storage cavity 23 of recess, the bottom of pull rod 21
It is welded and fixed with the inner bottom surface center of storage cavity 23, setting is spaced between pull rod 21 and the medial surface of storage cavity 23, and spray
Lift one's head 22 center side position offers the spray orifice 24 being connected with storage cavity 23；Therefore in actual use, ambient pressure
Material enters ejection chamber 16 with chamber 15 is connected to through conical cavity 14, sprays the raising of 16 internal pressure of chamber at this time and simultaneously ejects first 22, works as spray orifice
24 when being exposed to the outside of end seat 13, and high-pressure material is sprayed through spray orifice 24, and when closing needle-valve, ejection 16 internal pressure of chamber
Become smaller, drive 11 to pull back under the action of spring 20, head 22, which is recycled to, at this time sprays in chamber 16, and such head 22 can be hidden back
It receives, it is whole not only to protect first 22 not damaged by the external world, while head 22 also has plugging action, can keep away when material pressure is smaller
Exempt from material to flow out from spray orifice 24, to have the function of automatically lock.
The cylindrical structure of the ejecting head 22.
The pull rod 21 is in direct rod shape structure.
The diameter of the spacing head 19 is greater than the diameter of centre bore 18.
The working principle of the utility model is: in actual use, ambient pressure material through conical cavity 14 be connected to chamber 15
Into chamber 16 is sprayed, 16 internal pressure of chamber is sprayed at this time and increases and ejects first 22, when spray orifice 24 is exposed to the outside of end seat 13,
High-pressure material is sprayed through spray orifice 24, and when closing needle-valve, spraying 16 internal pressure of chamber becomes smaller, and drives under the action of spring 20
Pull rod 21 is pulled back, and head 22, which is recycled to, at this time sprays in chamber 16, and such head 22 can hide recycling, is not integrally not only protected first 22 not
It is damaged, while head 22 also has plugging action, can be flowed out to avoid material from spray orifice 24 when material pressure is smaller, to have by the external world
There is the function of automatically lock, to avoid the waste of material and avoid increasing the processes such as injection product surface cleaning.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (8)
1. a kind of hot runner structure of automatically lock, including flow distribution plate, feed nozzle, several hot nozzles and needle-valve, feature exist
In equipped with flow passage structure in the flow distribution plate, wherein flow passage structure includes the introducing runner that plate body center is arranged in, and is introduced
The starting point of runner is connected with the upper surface outer fix of plate body, and introduces the starting point port of runner and dock so that bolt is fixed
There is feed nozzle, the inner cavity of feed nozzle is connected with runner is introduced；The flow passage structure, which includes that a plurality of material is flat, to be arranged in plate body
The connection of side is circulated, and connection, which is circulated, to be connected close to the starting point at plate body center with the end for introducing runner.
2. the hot runner structure of automatically lock according to claim 1, which is characterized in that the flow passage structure further includes
The a plurality of extraction runner being arranged on the inside of plate body is drawn runner and is arranged in a one-to-one correspondence with circulation is connected to, and draws the starting of runner
It holds and is connected with the end of connection circulation, the end for drawing runner is connected with the lower surface outer fix of plate body, described
The end port for drawing runner is all made of bolt and fixes to hot nozzle is connected to, and the inner cavity of hot nozzle is coaxial with extraction runner and mutually interconnects
It is logical.
3. the hot runner structure of automatically lock according to claim 2, which is characterized in that the bottom of the hot nozzle is with spiral shell
The shape form of line connection is fixedly installed with needle-valve, and the needle of needle-valve is located in the inner cavity of hot nozzle, and the upper surface of flow distribution plate opens up
There are the needle cavity for corresponding and being interconnected with extraction runner, needle cavity and extraction runner coaxial arrangement；The upper end of the needle passes through
Runner activity is drawn to penetrate to needle cavity；Needle-valve electric cylinder is arranged in a one-to-one correspondence at the upper port of the needle cavity, needle-valve is electronic
Cylinder is bolted to the upper surface of flow distribution plate, and the cylinder shaft activity of needle-valve electric cylinder penetrates to needle cavity and logical with the upper end of needle
It crosses shaft coupling to be fixedly connected, be coaxially disposed between the cylinder shaft and needle of needle-valve electric cylinder.
4. the hot runner structure of automatically lock according to claim 3, which is characterized in that the outlet at bottom spiral shell of the needle-valve
Line is connected to self-locking head, and the self-locking head includes nozzle body, the nozzle body from top to bottom successively by attachment base, core print seat and
End seat is constituted, and is in integral structure between the attachment base, core print seat and end seat, is equipped with up and down in the attachment base
The thread cavity of formula, the inwall processing of thread cavity have helicitic texture, be successively arranged from top to bottom in core print seat conical cavity be connected to chamber, hold
It is equipped with the ejection chamber of formula up and down in headstock, thread cavity, conical cavity, connection chamber and sprays chamber successively tandem docking and in altogether
Axis structure.
5. the hot runner structure of automatically lock according to claim 4, which is characterized in that the center of the connection chamber
It is fixedly welded with the isolation board in the flat setting of material, the deflector hole of formula up and down is uniformly offered on isolation board, and is isolated
The center of plate offers centre bore, and activity is interspersed with the pull rod being vertically arranged, and the upper end one of pull rod in centre bore
Disk-shaped spacing head is formed, spring is equipped between spacing head and isolation board, and spring is actively set on pull rod；The pull rod
Lower end activity stretch to and spray intracavitary, and the lower end of pull rod is fixed with ejecting head；The wherein outer surface of ejecting head and ejection chamber
Inner surface sliding fitting setting, the upper surface center of the ejecting head offers the storage cavity of recess, the bottom of pull rod
Portion and the inner bottom surface center of storage cavity are welded and fixed, and setting, and ejecting head are spaced between pull rod and the medial surface of storage cavity
Center side position offer the spray orifice being connected with storage cavity.
6. the hot runner structure of automatically lock according to claim 5, which is characterized in that the cylindrical knot of ejecting head
Structure.
7. the hot runner structure of automatically lock according to claim 5, which is characterized in that the pull rod is in direct rod shape knot
Structure.
8. the hot runner structure of automatically lock according to claim 5, which is characterized in that the diameter of the spacing head is greater than
The diameter of centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200611.0U CN208896407U (en) | 2018-07-27 | 2018-07-27 | A kind of hot runner structure of automatically lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200611.0U CN208896407U (en) | 2018-07-27 | 2018-07-27 | A kind of hot runner structure of automatically lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896407U true CN208896407U (en) | 2019-05-24 |
Family
ID=66568269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821200611.0U Expired - Fee Related CN208896407U (en) | 2018-07-27 | 2018-07-27 | A kind of hot runner structure of automatically lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117774221A (en) * | 2023-09-05 | 2024-03-29 | 盐城立德塑业有限公司 | Plastic cover plate injection molding device of washing machine |
-
2018
- 2018-07-27 CN CN201821200611.0U patent/CN208896407U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117774221A (en) * | 2023-09-05 | 2024-03-29 | 盐城立德塑业有限公司 | Plastic cover plate injection molding device of washing machine |
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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: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |