CN205185269U - Plastic extrusion mould - Google Patents
Plastic extrusion mould Download PDFInfo
- Publication number
- CN205185269U CN205185269U CN201521046271.7U CN201521046271U CN205185269U CN 205185269 U CN205185269 U CN 205185269U CN 201521046271 U CN201521046271 U CN 201521046271U CN 205185269 U CN205185269 U CN 205185269U
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- Prior art keywords
- mould
- core rod
- forming core
- extrusion die
- plastics extrusion
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a plastic extrusion mould belongs to the plastic tubing production field, including fixed mould and play bush, thereby the fixed mould can be dismantled each other to connect with the play bush and form the mould cover, be provided with the shaping plug in the mould cover, the outer wall of shaping plug and the inner wall of mould cover form into the die cavity jointly, it clamp -ons chamber, reposition of redundant personnel chamber and extrudes the chamber including what feed through in proper order to become the die cavity, the shaping plug can be followed thereby the reciprocating axially of mould cover adjusts and extrudes the size in chamber, the position that the chamber was extruded in the correspondence of shaping plug is round platform shape. This plastic extrusion mould can easily change the size that the mouth was extruded to the mould to obtaining the plastic tubing of different pipe diameters and wall thickness, realizing the multi -purpose effect of a mould, have extensive applicability, characteristics that the practicality is strong have effectively compensatied prior art's defect.
Description
Technical field
The utility model relates to plastic tube production field, in particular to plastics extrusion die.
Background technology
Plastics extrusion die is the mould for forming plastic pipe, is installed on the output of extruding machine, is part important in plastic pipe production line.At present, market there is a variety of tube extrusion die, the tubing that various mono-layer tube, bimetallic tube etc. are applied to every field can be processed.
But the general a set of plastics extrusion die of existing plastics extrusion die can only mold a kind of plastic tube of caliber, and cannot realize the function of one module multiple usages, therefore its practicality and applicability are not strong.
Utility model content
The purpose of this utility model is to provide a kind of plastics extrusion die, to improve the problems referred to above.
The utility model is achieved in that
This plastics extrusion die comprises fixed die and outlet mold, described fixed die and outlet mold mutually removably connect thus form mould cover, forming core rod is provided with in described mould cover, the inwall of the outer wall of described forming core rod and mould cover is formed into die cavity jointly, described forming cavity comprise be communicated with successively clamp-on chamber, branch chamber and extruding cavity, the axially reciprocating that described forming core rod can overlap along described mould thus regulate the size of extruding cavity, the position of the corresponding extruding cavity of described forming core rod is truncated cone-shaped.
As preferably, described fixed die and outlet mold are bolted.
It is reliable that object with bolts is that it has stable connection, installation and removal feature all very easily.
As preferably, described fixed die is provided with internal thread, described outlet mold is provided with external screw thread, described external screw thread mates with described internal thread.
Its structure is simple to adopt the object be threaded to be, mounting or dismounting are convenient, effectively can realize the stable connection of fixed die and outlet mold.
As preferably, described fixed die is provided with the mounting disc for being connected with extruding machine away from one end of outlet mold.
The object arranging mounting disc is conveniently to be installed on the delivery outlet of extruding machine by this plastics extrusion die.
As preferably, the outer wall of described forming core rod is provided with projection, described mould puts and is provided with and the chute of described projection and the locking screw holes that is communicated with described chute, is provided with for pushing against protruding clamping screw in described locking screw holes.
The object arranging forming core rod is like this that its structure is simple, easy to operate, effectively can realize the slip of forming core rod, and during without the need to sliding, can be pushed against by clamping screw, ensure the stability of forming core rod, ensure the normally shaping of plastic tube.
As preferably, the middle part of described forming core rod is provided with external screw thread, and the inwall of described mould cover is provided with the internal thread mated with described external screw thread.
The object arranging forming core rod is like this that it is simple and reliable for structure, and user only needs rotational forming plug can realize its straight reciprocating motion, operates very convenient.
As preferably, described forming core rod correspondence clamp-ons the position in chamber conically.
The object arranging forming core rod is like this smoothness that the plastic raw materials improving molten condition flows in forming cavity to ensure the normal work of this plastics extrusion die.
As preferably, the described corresponding position of clamp-oning chamber of mould cover is provided with heater, and described heater comprises the cannelure be arranged on mould cover inwall and the heating plate be arranged in cannelure, and described heating plate is connected with the power supply of outside.
The object arranging heater is the fusibility and the mobility that ensure plastic raw materials, thus ensures the normal work of this plastics extrusion die.
As preferably, one end that described mould overlaps corresponding extruding cavity is connected with cooling tube, and the inwall of described cooling tube is provided with helix tube, described helix tube is provided with water inlet and delivery port, and described water inlet and delivery port are positioned at cooling tube outside.
The object arranging cooling tube is to facilitate shaping plastic raw materials to cool rapidly, eliminates the heat of its inside, ensures the stability of structure.
As preferably, the bending place of described forming core rod all adopts arc transition.
The object of such setting is to improve its mechanical strength, eliminates its internal stress, optimizes the combination property of forming core rod.
The beneficial effects of the utility model are:
This plastics extrusion die employing forming core rod is slidably connected to the structure in forming cavity, easily can change the size of mould extrusion, thus obtain the plastic tube of different tube diameters and wall thickness, realize the effect of one module multiple usages, there is applicability wide, practical feature, effectively compensate for the defect of prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the plastics extrusion die that Fig. 1 provides for the utility model first embodiment;
The structural representation of the forming core rod that Fig. 2 provides for the utility model first embodiment;
The structural representation of the cooling tube that Fig. 3 provides for the utility model first embodiment and helix tube;
The structural representation of the plastics extrusion die that Fig. 4 provides for the utility model second embodiment.
Reference numeral gathers:
Fixed die 100; Chute 110;
Mounting disc 120; Outlet mold 200;
Forming core rod 300; Perforation 310;
Cooling tube 400; Helix tube 500.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
First embodiment, with reference to Fig. 1-3, this plastics extrusion die comprises fixed die 100 and outlet mold 200, described fixed die 100 and outlet mold 200 mutually removably connect thus form mould cover, forming core rod 300 is provided with in described mould cover, the inwall of the outer wall of described forming core rod 300 and mould cover is formed into die cavity jointly, described forming cavity comprise be communicated with successively clamp-on chamber, branch chamber and extruding cavity, the axially reciprocating that described forming core rod 300 can overlap along described mould thus regulate the size of extruding cavity, the position of the corresponding extruding cavity of described forming core rod 300 is truncated cone-shaped.
Wherein, described fixed die 100 outer wall cylindrically and be provided with cylindrical hole in it, described outlet mold 200 is also cylindrical and be provided with round platform hole, and the axis of described round platform hole and cylindrical hole overlaps, and described forming core rod 300 is the dead in line of multidiameter and its axis and forming cavity; The middle part of described forming core rod 300 is provided with the outstanding mechanism of annular, and above-mentioned outstanding structure is provided with multiple perforation 310, and multiple perforation 310 is arranged, so that the plastic raw materials through hole of melting along the circumferencial direction uniform intervals of described forming core rod 300.
The operation principle of this plastic extruder and process are such: first the plastic raw materials of molten condition is extruded from extruding machine, enters and clamp-ons chamber, and then the axis direction that overlaps along mould of plastic raw materials is through branch chamber, finally shaping and be extruded at extruding cavity.Before plastic raw materials enters and clamp-ons chamber, can to reciprocatingly slide forming core rod 300 along the axis direction of forming cavity, the position of overlapping corresponding extruding cavity due to the position of the corresponding extruding cavity of forming core rod 300 and mould is all towards the opposite in truncated cone-shaped, therefore along with the slip of forming core rod 300, the size of extruding cavity will become large gradually or diminish, thus obtains the plastic tube needing caliber and wall thickness.
The size of existing plastics extrusion die is fixing mostly, and namely one set of die can only obtain the plastic tube of a kind of caliber and wall thickness, therefore practicality and applicability poor.And the plastics extrusion die that the technical program provides, user can regulate the size of mould extrusion by slip forming core rod 300, thus obtains the plastic tube of different tube diameters and wall thickness, realizes the effect of one module multiple usages, strengthens practicality and the applicability of mould.
In the actual design and manufacture process of this plastics extrusion die, described fixed die 100 and outlet mold 200 can adopt various anatomical connectivity, as long as stable connection.In the present embodiment, described fixed die 100 and outlet mold 200 are bolted.
Wherein, the side of described fixed die 100 is provided with the locating slot mated with one end of described outlet mold 200, so that quick position when both are linked and packed; The outer wall of described outlet mold 200 is provided with installing ring, described installing ring is provided with installation through hole, the stud portion of described bolt is through installing through hole and locking in fixed die 100, and the head of described bolt props up described installing ring, thus realizes the connection of fixed die 100 and outlet mold 200.
It is reliable that object with bolts is that it has stable connection, installation and removal feature all very easily.
In the present embodiment, described fixed die 100 is provided with internal thread, described outlet mold 200 is provided with external screw thread, and described external screw thread mates with described internal thread.
Wherein, the side of described fixed die 100 is provided with columniform counter sink, and described internal thread is arranged on the inwall of counter sink, and described external screw thread is arranged on one end outer wall of the corresponding fixed die 100 of outlet mold 200.
Its structure is simple to adopt the object be threaded to be, mounting or dismounting are convenient, effectively can realize the stable connection of fixed die 100 and outlet mold 200.
In the present embodiment, described fixed die 100 is provided with the mounting disc 120 for being connected with extruding machine away from one end of outlet mold 200.
Wherein, described mounting disc 120 is shaped in described fixed die 100 one end away from outlet mold 200, the position that fixed die 100 outer wall is given prominence in described mounting disc 120 is provided with multiple installation through hole, described installation through hole along the circumferential direction uniform intervals is arranged, and this plastics extrusion die is installed with on extruding machine by above-mentioned installation through hole.
The object arranging mounting disc 120 is conveniently to be installed on the delivery outlet of extruding machine by this plastics extrusion die.
In the actual design and manufacture process of this plastics extrusion die, described forming core rod 300 can various structure and form be arranged in forming cavity, as long as it can realize reciprocatingly sliding relative to mould cover.In the present embodiment, the outer wall of described forming core rod 300 is provided with projection, described mould puts and is provided with and the chute 110 of described projection and the locking screw holes that is communicated with described chute 110, is provided with for pushing against protruding clamping screw in described locking screw holes.
Wherein, described projection is elongated, and correspondingly, described chute 110 is also elongated, and both are matched in clearance, so that relative sliding; The length of described chute 110 be protruding length 2-3 doubly so that forming core rod 300 can reciprocatingly slide in a wider length range; Described clamping screw is butterfly screws, manually to screw.
The object arranging forming core rod 300 is like this that its structure is simple, easy to operate, effectively can realize the slip of forming core rod 300, and during without the need to sliding, can be pushed against by clamping screw, ensure the stability of forming core rod 300, ensure the normally shaping of plastic tube.
In the present embodiment, described forming core rod 300 correspondence clamp-ons the position in chamber conically.
The object arranging forming core rod 300 is like this smoothness that the plastic raw materials improving molten condition flows in forming cavity to ensure the normal work of this plastics extrusion die.Plastic raw materials from extruding machine enter clamp-on chamber time, will inevitably clash into the end of forming core rod 300, if now forming core rod 300 corresponding position is flat, then clashing into can than stronger, be unfavorable for shunting and the flowing of plastic raw materials, the corresponding site of forming core rod 300 is set to taper shape by the mould that therefore the technical program provides, according to force resolution principle, easily flow forward can be continued along taper seat after plastic raw materials and forming core rod 300 clash into, thus realize shunting, this just can weaken the shock of plastic raw materials greatly, improve the stability of forming core rod 300, promote the flowing of plastic raw materials in forming cavity, ensure the normal work of this mould.
In the present embodiment, the described corresponding position of clamp-oning chamber of mould cover is provided with heater, and described heater comprises the cannelure be arranged on mould cover inwall and the heating plate be arranged in cannelure, and described heating plate is connected with outside power supply.
Wherein, the inwall of described fixed die 100 is provided with multiple annular groove, described heating plate is by multiple, and along the circumferential direction uniform intervals is arranged in annular groove; Described heating plate flushes with the inwall of fixed die 100, to reduce the resistance to plastic raw materials; Described heating plate is connected with cable, and described cable passes fixed die 100 and is connected with power supply.
The object arranging heater is the fusibility and the mobility that ensure plastic raw materials, thus ensures the normal work of this plastics extrusion die.
In the present embodiment, one end that described mould overlaps corresponding extruding cavity is connected with cooling tube 400, the inwall of described cooling tube 400 is provided with helix tube 500, described helix tube 500 is provided with water inlet and delivery port, it is outside that described water inlet and delivery port are positioned at cooling tube 400.
Wherein, described cooling tube 400 is pipe and adopts heat-insulating material to make, and effectively prevents cold to scatter and disappear; One end of described cooling tube 400 is bolted and is installed on outlet mold 200 one end away from fixed die 100; Described helix tube 500 welds on the inwall with described cooling tube 400, with the stability of guarantee period structure; Described water inlet and delivery port are respectively from the two ends of helix tube 500 projection and through stretching out cooling tube 400.
The object arranging cooling tube 400 is to facilitate shaping plastic raw materials to cool rapidly, eliminates the heat of its inside, ensures the stability of structure.
In the present embodiment, the bending place of described forming core rod 300 all adopts arc transition.
The object of such setting is to improve its mechanical strength, eliminates its internal stress, optimizes the combination property of forming core rod 300.
This plastics extrusion die employing forming core rod 300 is slidably connected to the structure in forming cavity, easily can change the size of mould extrusion, thus obtain the plastic tube of different tube diameters and wall thickness, realize the effect of one module multiple usages, there is applicability wide, practical feature, effectively compensate for the defect of prior art.
Second embodiment, with reference to Fig. 4, the device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with previous embodiment, is concise and to the point description, and the not mentioned part of device embodiment part, can with reference to corresponding contents in previous embodiment.
In the present embodiment, the middle part of described forming core rod 300 is provided with external screw thread, and the inwall of described mould cover is provided with the internal thread mated with described external screw thread.
Wherein, described externally threaded length be the 2-3 of internal thread length doubly so that forming core rod 300 can reciprocatingly slide in a larger scope; Described external screw thread is opened on the outer wall of outstanding structure, to process.
The object arranging forming core rod 300 is like this that it is simple and reliable for structure, and user only needs rotational forming plug 300 can realize its straight reciprocating motion, operates very convenient.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a plastics extrusion die, it is characterized in that, comprise fixed die and outlet mold, described fixed die and outlet mold mutually removably connect thus form mould cover, forming core rod is provided with in described mould cover, the inwall of the outer wall of described forming core rod and mould cover is formed into die cavity jointly, described forming cavity comprise be communicated with successively clamp-on chamber, branch chamber and extruding cavity, the axially reciprocating that described forming core rod can overlap along described mould thus regulate the size of extruding cavity, the position of the corresponding extruding cavity of described forming core rod is truncated cone-shaped.
2. plastics extrusion die according to claim 1, is characterized in that, described fixed die and outlet mold are bolted.
3. plastics extrusion die according to claim 1, is characterized in that, described fixed die is provided with internal thread, and described outlet mold is provided with external screw thread, and described external screw thread mates with described internal thread.
4. plastics extrusion die according to claim 1, is characterized in that, described fixed die is provided with the mounting disc for being connected with extruding machine away from one end of outlet mold.
5. plastics extrusion die according to claim 1, it is characterized in that, the outer wall of described forming core rod is provided with projection, described mould puts and is provided with and the chute of described projection and the locking screw holes that is communicated with described chute, is provided with for pushing against protruding clamping screw in described locking screw holes.
6. plastics extrusion die according to claim 1, is characterized in that, the middle part of described forming core rod is provided with external screw thread, and the inwall of described mould cover is provided with the internal thread mated with described external screw thread.
7. plastics extrusion die according to claim 1, is characterized in that, described forming core rod correspondence clamp-ons the position in chamber conically.
8. plastics extrusion die according to claim 1, it is characterized in that, the described corresponding position of clamp-oning chamber of mould cover is provided with heater, described heater comprises the cannelure be arranged on mould cover inwall and the heating plate be arranged in cannelure, and described heating plate is connected with outside power supply.
9. plastics extrusion die according to claim 1, it is characterized in that, one end that described mould overlaps corresponding extruding cavity is connected with cooling tube, the inwall of described cooling tube is provided with helix tube, described helix tube is provided with water inlet and delivery port, described water inlet and delivery port are positioned at cooling tube outside.
10. plastics extrusion die according to claim 1, is characterized in that, the bending place of described forming core rod all adopts arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046271.7U CN205185269U (en) | 2015-12-15 | 2015-12-15 | Plastic extrusion mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046271.7U CN205185269U (en) | 2015-12-15 | 2015-12-15 | Plastic extrusion mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185269U true CN205185269U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521046271.7U Expired - Fee Related CN205185269U (en) | 2015-12-15 | 2015-12-15 | Plastic extrusion mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN205185269U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827447A (en) * | 2017-01-24 | 2017-06-13 | 邓明财 | Extrusion head assembly, part of the die head and mould for plastics |
| CN106881847A (en) * | 2017-01-24 | 2017-06-23 | 邓明财 | Forming plastic pipe die head and mould |
| CN107283788A (en) * | 2017-07-19 | 2017-10-24 | 六安市洁美再生物资回收有限公司 | A kind of anti-blockage type extrusion molding die head |
| CN107379474A (en) * | 2017-08-08 | 2017-11-24 | 乐普医学电子仪器股份有限公司 | A kind of high precision silicon rubber extruding system |
| CN107599428A (en) * | 2017-09-26 | 2018-01-19 | 浙江阳光美加照明有限公司 | A kind of device for making heat conduction mud collar |
| CN109811420A (en) * | 2019-03-22 | 2019-05-28 | 连云港纶洋单丝科技有限公司 | A kind of process units and production method of PVDF fluorine carbon monofilament |
| CN110355992A (en) * | 2019-08-27 | 2019-10-22 | 束宇晨 | A kind of dedicated 3D printer spray head of expansion plastic pipe trial-production |
| CN112976539A (en) * | 2021-04-21 | 2021-06-18 | 河北冀工胶管有限公司 | Self-adjusting machine head of special extruder for engineering machinery rubber pipe and using method of self-adjusting machine head |
-
2015
- 2015-12-15 CN CN201521046271.7U patent/CN205185269U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827447A (en) * | 2017-01-24 | 2017-06-13 | 邓明财 | Extrusion head assembly, part of the die head and mould for plastics |
| CN106881847A (en) * | 2017-01-24 | 2017-06-23 | 邓明财 | Forming plastic pipe die head and mould |
| CN107283788A (en) * | 2017-07-19 | 2017-10-24 | 六安市洁美再生物资回收有限公司 | A kind of anti-blockage type extrusion molding die head |
| CN107379474A (en) * | 2017-08-08 | 2017-11-24 | 乐普医学电子仪器股份有限公司 | A kind of high precision silicon rubber extruding system |
| CN107599428A (en) * | 2017-09-26 | 2018-01-19 | 浙江阳光美加照明有限公司 | A kind of device for making heat conduction mud collar |
| CN109811420A (en) * | 2019-03-22 | 2019-05-28 | 连云港纶洋单丝科技有限公司 | A kind of process units and production method of PVDF fluorine carbon monofilament |
| CN109811420B (en) * | 2019-03-22 | 2024-03-19 | 连云港纶洋单丝科技有限公司 | PVDF fluorocarbon monofilament production device and production method |
| CN110355992A (en) * | 2019-08-27 | 2019-10-22 | 束宇晨 | A kind of dedicated 3D printer spray head of expansion plastic pipe trial-production |
| CN110355992B (en) * | 2019-08-27 | 2021-06-01 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Special 3D print head of inflation plastic tubing trial-manufacturing |
| CN112976539A (en) * | 2021-04-21 | 2021-06-18 | 河北冀工胶管有限公司 | Self-adjusting machine head of special extruder for engineering machinery rubber pipe and using method of self-adjusting machine head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20211215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |