CN106827407B - A kind of modified screw thread dynamic model structure to prevent adhesion - Google Patents
A kind of modified screw thread dynamic model structure to prevent adhesion Download PDFInfo
- Publication number
- CN106827407B CN106827407B CN201710142520.XA CN201710142520A CN106827407B CN 106827407 B CN106827407 B CN 106827407B CN 201710142520 A CN201710142520 A CN 201710142520A CN 106827407 B CN106827407 B CN 106827407B
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- CN
- China
- Prior art keywords
- clamp plate
- bottom clamp
- screw thread
- threaded mold
- dynamic model
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of modified screw thread dynamic model structures to prevent adhesion, including Bottom clamp plate, one end of the Bottom clamp plate is provided with several threaded mold heads, the other end is provided with screw putter, the screw putter controls the rotation of threaded mold head by gear, a cooling cavity is provided in Bottom clamp plate, one side wall of the cooling cavity is movable sealing plate, and the movable sealing plate sealing shroud is on screw putter；Inlet and outlet are also set up on Bottom clamp plate, the cooling cavity communicates respectively with inlet and outlet；It is provided with a semi-enclosed deflector hole in the axial direction of threaded mold head, the deflector hole is communicated with cooling cavity.When the present invention is solved using existing injection molding workpiece production internal screw thread, threaded mold head, with injection molded adhesion, causes injection molded to demould bad problem due to overheat.
Description
Technical field
The present invention relates to field of plastics processing, and in particular to a kind of modified screw thread dynamic model structure to prevent adhesion.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool.Injection mold divides into two kinds of thermosetting plastic mold, thermoplastic plastic's mold according to shaping characteristic；It is distinguished according to moulding process
To pass mold, blow molding die, draw mould, thermoforming mould, hot-die (compression mould), injection mold etc., wherein hot-die is in a manner of flash
Excessive formula, semi-positive, three kinds of formula of not overflowing can be divided into again, injection mold can be divided into two kinds of cold flowing mould channel, hot runner mould with running gate system again；
It is mobile, two kinds fixed can be divided by handling mode.
Injection mold is made of dynamic model and cover half two parts, and dynamic model is mounted on the moving die plate of injection (mo(u)lding) machine, cover half
It is mounted on the fixed form of injection (mo(u)lding) machine.In injection moulding, dynamic model and cover half closure constitute running gate system and type chamber, open
Dynamic model and cover half separation are when mould to take out plastic products.Although the structure of mold is due to plastics variety and performance, plastic products
Shape and structure and injector type etc. it is different and may be ever-changing, but basic structure is consistent.Mold master
It to be made of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and forming part are straight with plastics
Contact portion is connect, and is changed with plastics and product, is most complicated in mold, variation maximum, it is desirable that processing finish and precision
Highest part, but use injection molding workpiece in the prior art when making internal screw thread, it usually will appear injection molded demoulding not
Good problem.
Summary of the invention
The purpose of the present invention is to provide a kind of modified screw thread dynamic model structure to prevent adhesion, solve to use existing injection molding
When workpiece makes internal screw thread, threaded mold head, with injection molded adhesion, causes injection molded to demould bad problem due to overheat.
The present invention is achieved through the following technical solutions:
A kind of modified screw thread dynamic model structure to prevent adhesion, including Bottom clamp plate, one end of the Bottom clamp plate are provided with
Several threaded mold heads, the other end are provided with screw putter, and the screw putter controls threaded mold head by gear and rotates,
A cooling cavity is provided in Bottom clamp plate, a side wall of the cooling cavity is movable sealing plate, and the activity is close
Sealing plate sealing shroud is on screw putter；Inlet and outlet, the cooling cavity and water inlet are also set up on Bottom clamp plate
It is communicated respectively with water outlet；A semi-enclosed deflector hole, the deflector hole and drop are provided in the axial direction of threaded mold head
Warm cavity communicates.Further, in the prior art, in injection molding, especially when making internal screw thread, screw putter is in control spiral shell
When line mould head rotates, the face that threaded mold head is contacted with injection molded can generate a large amount of heat, with threaded mold head temperature
It increases, eventually leads to threaded mold head due to overheat with injection molded adhesion, keep injection molded demoulding bad.So to solve above ask
Topic, the axial direction of threaded mold head of the present invention are provided with a semi-enclosed deflector hole, and communicate deflector hole with cooling cavity,
In condensation flow to deflector hole in cooling cavity, according to heat-conduction principle, heat can flow to low temperature, screw thread mould from high temperature automatically
The heat that tool head is generated when processing injection molded can flow to the threaded mold head for having condensed water from threaded mold head surface automatically
Inside reaches and cools down to threaded mold head surface, final to solve threaded mold head due to overheat with injection molded adhesion, leads to injection molding
Part demoulds bad problem.Inlet and outlet are arranged in the present invention on Bottom clamp plate, and condensed water enters from the inlet cooling
In cavity, then by water outlet discharge, condensed water constantly is provided to cooling cavity.One side wall of the cavity that cools down is arranged
For movable sealing plate, threaded one end is located at the outside of Bottom clamp plate on screw putter, and the other end is smooth push rod, smooth to push away
Bar passes through movable sealing plate and controls threaded mold head by gear and rotates, cover movable sealing plate on smooth push rod with it is smooth
Push rod is fixed and is sealed；When screw putter rotation makes threaded mold head mobile and injection molding to top clamping plate, screw putter also can
Drive movable sealing plate mobile, with the movement of movable sealing plate, movable sealing plate is of short duration to forming one in cooling cavity
Pressure flows the condensed water to cool down in cavity into deflector hole；When screw putter is rotated to Bottom clamp plate outside, even if spiral shell
Line mould head unclamps injection molded, rotates to dynamic model die holder plate, and screw putter will drive movable sealing plate sidesway to outside Bottom clamp plate
It is dynamic, make the space sudden enlargement of cooling cavity, forms a negative pressure, flow out the condensed water in deflector hole, take away threaded mold
The heat of head conduction；Known in those skilled in the art, very fast, threaded mold head and top clamping plate when the production of internal screw thread injection molded
Between time for cooperating it is very short, so inlet and outlet generate pressure when will not move to screw putter or negative pressure causes
It influences, realizes the purpose to the condensation water coke slurry in deflector hole in the above manner.
It further include cooling water pump, the cooling water pump is separately connected with inlet and outlet.Further, of the invention
Inlet and outlet are connect with cooling water pump, realize the circulation-supplied of condensed water.
It is additionally provided with positioning sheath aperture on Bottom clamp plate, is additionally provided with one layer of rubber layer, the rubber in positioning sheath aperture
Layer is close to positioning sheath aperture inner wall setting.Further, positioning sheath aperture is for installation and the matched positioning sheath of top clamping plate, to guarantee
When each injection molding, threaded mold head with top clamping plate accurate positioning；Positioning sheath can be to dynamic model seat when cooperating with top clamping plate
Plate generates the anti-power of frustrating, and positioning sheath is made to generate gap between Bottom clamp plate after used a period of time, and it is fixed to ultimately cause
Position sheath relaxation, accurate positioning lead to deviation occur when threaded mold head injection molding.In order to solve problem above, the present invention is positioning
One layer of rubber layer being close to positioning sheath aperture arm of setting in sheath aperture, in positioning sheath motion process, rubber layer and positioning sheath are generated
One frictional force is bonded positioning sheath with positioning sheath aperture closer, avoids positioning sheath relaxation.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of modified screw thread dynamic model structure to prevent adhesion of the present invention, is provided with one in the axial direction of threaded mold head
Semi-enclosed deflector hole, the deflector hole are communicated with cooling cavity, and according to heat-conduction principle, heat can flow to from high temperature low automatically
Temperature, the heat that threaded mold head is generated when processing injection molded can have the screw thread of condensed water from threaded mold head surface flow direction automatically
The inside of mould head reaches and gives the cooling of threaded mold head surface, it is final solve threaded mold head due to overheat with injection molded adhesion,
Injection molded is caused to demould bad problem；
2, it is empty to be provided with a cooling in Bottom clamp plate for a kind of modified screw thread dynamic model structure to prevent adhesion of the present invention
One side wall of chamber, the cooling cavity is movable sealing plate, and the movable sealing plate sealing shroud is on screw putter, in dynamic model
Inlet and outlet are also set up on seat board, the cooling cavity is communicated respectively with inlet and outlet, realized with upper type
To the condensation water coke slurry in deflector hole, the purpose for taking the heat on threaded mold head out of；
3, a kind of modified screw thread dynamic model structure to prevent adhesion of the present invention, is additionally provided with positioning sheath aperture on Bottom clamp plate,
One layer of rubber layer is additionally provided in positioning sheath aperture, the rubber layer is close to positioning sheath aperture inner wall setting, and the above structure makes to position
Sheath be bonded closer with positioning sheath aperture, avoids positioning sheath loose, leads to the problem of deviation occur when threaded mold head injection molding.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Label and corresponding parts title in attached drawing:
1- Bottom clamp plate, 2- threaded mold head, 3- screw putter, 4- gear, 5- cooling cavity, 6- movable sealing plate, 7-
Water inlet, 8- water outlet, 9- deflector hole, 10- position sheath aperture, 11- rubber layer.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1, a kind of modified screw thread dynamic model structure to prevent adhesion of the present invention, including Bottom clamp plate 1, the dynamic model
One end of seat board 1 is provided with 2 threaded mold heads 2, the other end is provided with screw putter 3, and the screw putter 3 passes through gear 4
It controls threaded mold head 2 to rotate, a cooling cavity 5, a side wall of the cooling cavity 5 is provided in Bottom clamp plate 1
For movable sealing plate 6,6 sealing shroud of movable sealing plate is on screw putter 3；7 He of water inlet is also set up on Bottom clamp plate 1
Water outlet 8, the cooling cavity 5 communicate respectively with water inlet 7 and water outlet 8；One is provided in the axial direction of threaded mold head 2
A semi-enclosed deflector hole 9, the deflector hole 9 are communicated with cooling cavity 5.Further include cooling water pump, the cooling water pump with into
The mouth of a river 7 and water outlet 8 are separately connected.It is additionally provided with positioning sheath aperture 10 on Bottom clamp plate 1, is additionally provided in positioning sheath aperture 10
One layer of rubber layer 11, the rubber layer 11 are close to positioning 10 inner wall of sheath aperture setting.It is solved in the above manner using existing
When injection molding workpiece makes internal screw thread, threaded mold head, with injection molded adhesion, causes injection molded to demould bad problem due to overheat.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (3)
1. a kind of modified screw thread dynamic model structure to prevent adhesion, including Bottom clamp plate (1), one end of the Bottom clamp plate (1) are set
Be equipped with several threaded mold heads (2), the other end is provided with screw putter (3), the screw putter (3) pass through gear (4) control
Threaded mold head (2) rotation processed, which is characterized in that be provided with a cooling cavity (5), the cooling in Bottom clamp plate (1)
One side wall of cavity (5) is movable sealing plate (6), and movable sealing plate (6) sealing shroud is on screw putter (3)；Dynamic
Water inlet (7) and water outlet (8), the cooling cavity (5) and water inlet (7) and water outlet (8) point are also set up on die holder plate (1)
It does not communicate；A semi-enclosed deflector hole (9), the deflector hole (9) and cooling are provided in the axial direction of threaded mold head (2)
Cavity (5) communicates.
2. a kind of modified screw thread dynamic model structure to prevent adhesion according to claim 1, which is characterized in that further include cooling
Water pump, the cooling water pump are separately connected with water inlet (7) and water outlet (8).
3. a kind of modified screw thread dynamic model structure to prevent adhesion according to claim 1, which is characterized in that in Bottom clamp plate
(1) it is additionally provided with positioning sheath aperture (10) on, is additionally provided with one layer of rubber layer (11), the rubber layer in positioning sheath aperture (10)
(11) it is close to positioning sheath aperture (10) inner wall setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142520.XA CN106827407B (en) | 2017-03-10 | 2017-03-10 | A kind of modified screw thread dynamic model structure to prevent adhesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142520.XA CN106827407B (en) | 2017-03-10 | 2017-03-10 | A kind of modified screw thread dynamic model structure to prevent adhesion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106827407A CN106827407A (en) | 2017-06-13 |
| CN106827407B true CN106827407B (en) | 2019-06-25 |
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ID=59144678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142520.XA Active CN106827407B (en) | 2017-03-10 | 2017-03-10 | A kind of modified screw thread dynamic model structure to prevent adhesion |
Country Status (1)
| Country | Link |
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| CN (1) | CN106827407B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189323B (en) * | 2017-12-29 | 2020-04-28 | 重庆市银盛模具有限公司 | Injection mold for producing high-strength accessories |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203198201U (en) * | 2013-05-02 | 2013-09-18 | 海宁市怡球塑业有限公司 | Cooling device for injection mold on injection mold machine |
| CN106273249A (en) * | 2016-07-29 | 2017-01-04 | 天津市万佳塑胶制品有限公司 | A kind of temperature automatically controlled mould |
| CN205929342U (en) * | 2016-07-14 | 2017-02-08 | 福州大学 | Thread die device in taking off ingeniously |
| CN205951222U (en) * | 2016-08-24 | 2017-02-15 | 苏州友成机工有限公司 | A push up waterway system to one side for mould |
-
2017
- 2017-03-10 CN CN201710142520.XA patent/CN106827407B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203198201U (en) * | 2013-05-02 | 2013-09-18 | 海宁市怡球塑业有限公司 | Cooling device for injection mold on injection mold machine |
| CN205929342U (en) * | 2016-07-14 | 2017-02-08 | 福州大学 | Thread die device in taking off ingeniously |
| CN106273249A (en) * | 2016-07-29 | 2017-01-04 | 天津市万佳塑胶制品有限公司 | A kind of temperature automatically controlled mould |
| CN205951222U (en) * | 2016-08-24 | 2017-02-15 | 苏州友成机工有限公司 | A push up waterway system to one side for mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106827407A (en) | 2017-06-13 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190829 Address after: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002 Patentee after: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD. Address before: 610000 Sichuan city of Chengdu province Chenghua District two East 3rd Ring Rd section of Longtan Industrial Park Patentee before: CHENGDU HENGTONG ZHAOYE PRECISION MACHINERY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191223 Address after: No.32, Weisan Road, Dingmao street, Zhenjiang New District, Jiangsu Province 212000 Patentee after: Jiangsu Banghao Plastic Industry Co., Ltd Address before: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002 Patentee before: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD. |
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| TR01 | Transfer of patent right |