CN106827407A - A kind of modified screw thread dynamic model structure for preventing adhesion - Google Patents
A kind of modified screw thread dynamic model structure for preventing adhesion Download PDFInfo
- Publication number
- CN106827407A CN106827407A CN201710142520.XA CN201710142520A CN106827407A CN 106827407 A CN106827407 A CN 106827407A CN 201710142520 A CN201710142520 A CN 201710142520A CN 106827407 A CN106827407 A CN 106827407A
- Authority
- CN
- China
- Prior art keywords
- bottom clamp
- clamp plate
- threaded mold
- dynamic model
- cooling cavity
- 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.)
- Granted
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Classifications
-
- 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
Landscapes
- 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 structure for preventing adhesion, including Bottom clamp plate, one end of the Bottom clamp plate is provided with several threaded mold heads, the other end and is provided with screw putter, the screw putter controls threaded mold head to rotate by gear, a cooling cavity is provided with 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；Water inlet and delivery port are also set up on Bottom clamp plate, the cooling cavity is communicated respectively with water inlet and delivery port；A semi-enclosed pod apertures are provided with the axial direction of threaded mold head, the pod apertures are communicated with cooling cavity.The present invention solve using existing injection molding workpiece make internal thread when, threaded mold head because of overheat with injection molded adhesion, the problem for causing the injection molded demoulding bad.
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 for preventing adhesion.
Background technology
Injection mold is a kind of instrument for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Instrument.Injection mold divides into two kinds of thermosetting plastic mould, thermoplastic plastic's mould according to shaping characteristic；Distinguished according to moulding process
To pass mold, blow molding die, draw mould, thermoforming mould, hot-die (compression mould), injection mould etc., wherein hot-die is in flash mode
Excessive formula, semi-positive compression, three kinds of formula of not overflowing can be divided into again, injection mould can be divided into two kinds of cold flowing mould channel, hot runner mould with running gate system again；
Can be divided into portable, fixed two kinds with by handling mode.
Injection mold is made up of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, cover half
On the fixed form of injection (mo(u)lding) machine.In injection moulding, dynamic model constitutes running gate system and die cavity with cover half closure, opens
Dynamic model and cover half are separated to take out plastic products during mould.Although the structure of mould 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.Mould master
To be made up 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, be most complicated, change maximum, it is desirable to process finish and precision in mold
Highest part, but use injection molding workpiece of the prior art when internal thread is made, the injection molded demoulding usually occurs not
Good problem.
The content of the invention
It is an object of the invention to provide a kind of modified screw thread dynamic model structure for preventing adhesion, solve to use existing injection molding
Workpiece make internal thread when, threaded mold head because of overheat with injection molded adhesion, the problem for causing the injection molded demoulding bad.
The present invention is achieved through the following technical solutions：
A kind of modified screw thread dynamic model structure for preventing adhesion, including Bottom clamp plate, one end of the Bottom clamp plate is provided with
Several threaded mold heads, the other end are provided with screw putter, and the screw putter controls threaded mold head to rotate by gear,
A cooling cavity is provided with Bottom clamp plate, a side wall of the cooling cavity is movable sealing plate, and the activity is close
Shrouding sealing shroud is on screw putter；Water inlet and delivery port, the cooling cavity and water inlet are also set up on Bottom clamp plate
Communicated respectively with delivery port；A semi-enclosed pod apertures, the pod apertures and drop are provided with the axial direction of threaded mold head
Warm cavity is communicated.Further, in the prior art, in injection molding, particularly when internal thread is made, screw putter is in control spiral shell
When line die head is rotated, the face that threaded mold head is contacted with injection molded can produce substantial amounts of heat, with threaded mold head temperature
Raise, ultimately result in threaded mold head because of overheat with injection molded adhesion, make the injection molded demoulding bad.So to be asked more than solving
Topic, the axial direction of threaded mold head of the present invention is provided with a semi-enclosed pod apertures, and pod apertures is communicated with cooling cavity,
To in pod apertures, according to heat-conduction principle, heat can flow to low temperature, screw thread mould to condensation flow in cooling cavity from high temperature automatically
The heat that tool head is produced when injection molded is processed automatic can have the threaded mold head of condensed water from threaded mold head surface flow direction
Inside, reaches and gives the cooling of threaded mold head surface, it is final solve threaded mold head because of overheat with injection molded adhesion, cause injection molding
The bad problem of the part demoulding.The present invention sets water inlet and delivery port on Bottom clamp plate, and condensed water enters from water inlet lowers the temperature
In cavity, then discharged by delivery port, constantly provide condensed water to cooling cavity.One side wall of cavity of lowering the temperature is set
It is movable sealing plate, threaded one end is located at the outside of Bottom clamp plate on screw putter, the other end is smooth push rod, and light is pushed to slide
Bar through movable sealing plate and by gear control threaded mold head rotation, be enclosed within movable sealing plate on smooth push rod with it is smooth
Push rod is fixed and sealed；When screw putter is rotated makes threaded mold head to top clamping plate movement and injection molding, screw putter also can
The movement of movable sealing plate is driven, with the movement of movable sealing plate, movable sealing plate is of short duration to forming one in cooling cavity
Pressure, makes the condensed water in cooling cavity be flowed in pod apertures；When screw putter is rotated to Bottom clamp plate outside, even if spiral shell
Line die head unclamps post module, is rotated to dynamic model die holder plate, and screw putter can drive movable sealing plate to sidesway outside Bottom clamp plate
It is dynamic, make the space sudden enlargement of cooling cavity, a negative pressure is formed, the condensed water in pod apertures is flowed out, take away threaded mold
The heat of head conduction；It is very fast during the making of internal thread injection molded known in those skilled in the art, threaded mold head and top clamping plate
Between coordinate time it is very short, so when water inlet and delivery port will not moves to screw putter generation pressure or negative pressure cause
Influence, realizes to the purpose for condensing water coke slurry in pod apertures by with upper type.
Also include cooling water pump, the cooling water pump is connected respectively with water inlet and delivery port.Further, it is of the invention
Water inlet and delivery port are connected with cooling water pump, realize the circulation-supplied of condensed water.
Positioning sheath aperture is additionally provided with Bottom clamp plate, one layer of rubber layer, the rubber are additionally provided with positioning sheath aperture
Layer is close to positioning sheath aperture inwall and is set.Further, positioning sheath aperture is used to install the positioning sheath matched with top clamping plate, to ensure
During each injection molding, threaded mold head with top clamping plate accurate positioning；Positioning sheath can be to dynamic model seat when coordinating with top clamping plate
Plate produces the anti-power of frustrating, and positioning sheath is produced gap between Bottom clamp plate after used a period of time, and it is fixed to ultimately cause
Position sheath relaxes, and accurate positioning causes deviation occur during threaded mold head injection molding.In order to solve problem above, the present invention is in positioning
One layer of rubber layer being close to positioning sheath aperture arm is set in sheath aperture, and in sheath motion process is positioned, rubber layer is produced with positioning sheath
One frictional force, makes positioning sheath tightr with what positioning sheath aperture was fitted, it is to avoid positioning sheath relaxes.
The present invention compared with prior art, has the following advantages and advantages：
1st, a kind of modified screw thread dynamic model structure for preventing adhesion of the present invention, one is provided with the axial direction of threaded mold head
Semi-enclosed pod apertures, the pod apertures are communicated with cooling cavity, and according to heat-conduction principle, heat automatic can flow to low from high temperature
Temperature, the heat that threaded mold head is produced when injection molded is processed automatic can have the screw thread of condensed water from threaded mold head surface flow direction
The inside of die head, reaches and gives the cooling of threaded mold head surface, it is final solve threaded mold head because of overheat with injection molded adhesion,
The problem for causing the injection molded demoulding bad；
2nd, a kind of modified screw thread dynamic model structure for preventing adhesion of the present invention, is provided with a cooling empty in Bottom clamp plate
Chamber, a side wall of the cooling cavity is movable sealing plate, the movable sealing plate sealing shroud on screw putter, in dynamic model
Water inlet and delivery port are also set up on seat board, the cooling cavity is communicated respectively with water inlet and delivery port, realized with upper type
To the condensation water coke slurry in pod apertures, the purpose for taking the heat on threaded mold head out of；
3rd, a kind of modified screw thread dynamic model structure for preventing adhesion of the present invention, is additionally provided with positioning sheath aperture on Bottom clamp plate,
One layer of rubber layer is additionally provided with positioning sheath aperture, the rubber layer is close to positioning sheath aperture inwall and is set, and above structure makes positioning
Sheath is tightr with what positioning sheath aperture was fitted, it is to avoid positioning sheath relaxes, and causes the problem of deviation occur during threaded mold head injection molding.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes 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.
Mark and corresponding parts title in accompanying drawing：
1- Bottom clamp plates, 2- threaded mold heads, 3- screw putters, 4- gears, 5- cooling cavitys, 6- movable sealing plates, 7-
Water inlet, 8- delivery ports, 9- pod apertures, 10- positioning sheath aperture, 11- rubber layers.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment
As shown in figure 1, a kind of modified screw thread dynamic model structure for preventing adhesion of the present invention, including Bottom clamp plate 1, the dynamic model
One end of seat board 1 is provided with the 2 threaded molds first 2, other end and is provided with screw putter 3, and the screw putter 3 passes through gear 4
Control threaded mold first 2 is rotated, and a cooling cavity 5, a side wall of the cooling cavity 5 are provided with Bottom clamp plate 1
It is movable sealing plate 6, the sealing shroud of movable sealing plate 6 is on screw putter 3；The He of water inlet 7 is also set up on Bottom clamp plate 1
Delivery port 8, the cooling cavity 5 is communicated respectively with water inlet 7 and delivery port 8；One is provided with the axial direction of threaded mold first 2
Individual semi-enclosed pod apertures 9, the pod apertures 9 are communicated with cooling cavity 5.Also include cooling water pump, the cooling water pump with enter
The mouth of a river 7 and delivery port 8 are connected respectively.Positioning sheath aperture 10 is additionally provided with Bottom clamp plate 1, is additionally provided with positioning sheath aperture 10
One layer of rubber layer 11, the rubber layer 11 is close to positioning sheath aperture 10 inwall and is set.Solved using existing by with upper type
Injection molding workpiece make internal thread when, threaded mold head because of overheat with injection molded adhesion, the problem for causing the injection molded demoulding bad.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (3)
1. a kind of modified screw thread dynamic model structure for preventing adhesion, including Bottom clamp plate (1), one end of the Bottom clamp plate (1) sets
It is equipped with several threaded mold heads (2), the other end and is provided with screw putter (3), the screw putter (3) is controlled by gear (4)
Threaded mold head (2) processed is rotated, it is characterised in that cooling cavity (5), the cooling are provided with 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 delivery port (8), cooling cavity (5) and water inlet (7) and delivery port (8) point are also set up on die holder plate (1)
Do not communicate；A semi-enclosed pod apertures (9), the pod apertures (9) and cooling are provided with the axial direction of threaded mold head (2)
Cavity (5) is communicated.
2. a kind of modified screw thread dynamic model structure for preventing adhesion according to claim 1, it is characterised in that also including cooling
Water pump, the cooling water pump is connected respectively with water inlet (7) and delivery port (8).
3. a kind of modified screw thread dynamic model structure for preventing adhesion according to claim 1, it is characterised in that in Bottom clamp plate
(1) positioning sheath aperture (10) is additionally provided with, one layer of rubber layer (11), the rubber layer is additionally provided with positioning sheath aperture (10)
(11) it is close to positioning sheath aperture (10) inwall to set.
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 true CN106827407A (en) | 2017-06-13 |
| CN106827407B 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 |
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| Country | Link |
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| CN (1) | CN106827407B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189323A (en) * | 2017-12-29 | 2018-06-22 | 重庆市银盛模具有限公司 | A kind of injection mold for being used to produce high intensity accessory |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189323A (en) * | 2017-12-29 | 2018-06-22 | 重庆市银盛模具有限公司 | A kind of injection mold for being used to produce high intensity accessory |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106827407B (en) | 2019-06-25 |
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| TR01 | Transfer of patent right | ||
| 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. |