CN108454055A - A kind of mold improving PVC spool production stabilities - Google Patents
A kind of mold improving PVC spool production stabilities Download PDFInfo
- Publication number
- CN108454055A CN108454055A CN201810575268.6A CN201810575268A CN108454055A CN 108454055 A CN108454055 A CN 108454055A CN 201810575268 A CN201810575268 A CN 201810575268A CN 108454055 A CN108454055 A CN 108454055A
- Authority
- CN
- China
- Prior art keywords
- mold
- die holder
- connect
- spreader
- pvc spool
- 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.)
- Pending
Links
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to PVC spool production moulds, more specifically, it is related to a kind of mold improving PVC spool production stabilities, include the linkage section of solution, linkage section is connect with shunting die holder, and shunting die holder is combined with several extrusion dies, extrusion die is equipped with die holder, extrusion die is equipped with the spreader of the taper coordinated with die holder, and spreader cooperatively forms distributary division with die holder, and distributary division is gradually tapered up along melt flow direction；Spreader by equipped with flat segments connect with mold core, mold core with shrink set cooperatively forms contraction flow region, contraction flow region is gradually tapered up along melt flow direction；Mold core cooperatively forms setting section with mouth mold, and setting section is equipped with the tapered portion gradually tapered up and flat part, the outlet end of setting section are connect with coolant jacket.Mould flow passage structure design with optimization, effectively reduces solution die swelling power, comprehensive to promote production stability.
Description
Technical field
The present invention relates to PVC spool production moulds, more particularly, to a kind of mould improving PVC spool production stabilities
Tool.
Background technology
Production spool generally goes out four production model using one in the market, to reach higher production efficiency, but therewith
Come, some problems also occurs in production in product, and most distinct issues are exactly：Tubing production stability difference, high rejection rate
, production cost is increased, is unfavorable for the raising of production stability and reduces product rejection rate.
Invention content
The present invention is at least one defect overcome described in the above-mentioned prior art, and it is steady to provide a kind of raising PVC spools production
Qualitative mold has the mould flow passage structure design of optimization, effective reduction solution die swelling power comprehensive to promote production stabilization
Property.
In order to solve the above technical problems, the technical solution adopted by the present invention is：It is a kind of to improve PVC spool production stabilities
Mold, wherein include the linkage section of solution, linkage section is connect with shunting die holder, and shunting die holder is combined with several extrusion dies
Tool, extrusion die are equipped with die holder, and extrusion die is equipped with the spreader of the taper coordinated with die holder, and spreader is cooperatively formed with die holder
Distributary division, distributary division are gradually tapered up along melt flow direction；Spreader by equipped with flat segments connect with mold core, mold core with receive
Contracting set cooperatively forms contraction flow region, and contraction flow region is gradually tapered up along melt flow direction；Mold core cooperatively forms setting section with mouth mold, shapes
Portion is equipped with the tapered portion gradually tapered up and flat part, the outlet end of setting section are connect with coolant jacket.
It in the present invention, is connect with shunting die holder by linkage section, solution is imported shunting die holder by linkage section, and shunting die holder connects
Several extrusion dies are connected to, solution is imported several extrusion dies by the effect by shunting die holder.Extrusion die be equipped with
The spreader of the taper of die holder cooperation, the distributary division that spreader is cooperatively formed with die holder are gradually tapered up along melt flow direction.Point
Stream shuttle by equipped with flat segments connect with mold core, solution is flowed by flat segments.Mold core cooperatively forms contraction flow region with set is shunk,
Contraction flow region is gradually tapered up along melt flow direction, by the contraction of solution, is reduced the cross-sectional volume of solution, is formed simultaneously certain
It stretches, by solution appearance and size gradually by greatly as small transformation so that it is strong to promote solution for the further Dispersion Fusion of molecule between solution
Degree.Setting section is equipped with the tapered portion gradually tapered up and flat part, and by tapered portion that solution is gradually thin by thickness drawing, outer diameter is by becoming greatly
It is small, gradually stretch.Using flat part, compression compact melt completes melt and is plasticized and is molded in mold.
In one embodiment, spreader is equipped with bullet and fixed part, and bullet cooperatively forms distributary division with die holder,
Fixed part is connect with mold core.Bullet with die holder cooperatively form distributary division, melt is split by solid by distributary division
Hollow circle, connect to set spreader and is fixed by fixed part with mold core.
In one embodiment, it shrinks set to be connected with mouth mold, contraction flow region is connected with each other with setting section.Shrink set with
Mouth mold is connected, and mouth mold is fixed, and realizes that contraction flow region is consistent with the connection of setting section.
Preferably, the contraction of contraction flow region and the shrink-fit of tapered portion are consistent.Contraction flow region shrinks solution, tapered portion
Also solution is shunk, ensures stability of the solution in flow process.
In one embodiment, extrusion die is equipped with pressing plate, and pressing plate is connect with mouth mold, and pressing plate coordinates counterpart with set is shunk
Mould is fixed.Pressing plate coordinates with set is shunk, and mouth mold is fixed, and realizes the accurate fit of contraction flow region and tapered portion.
In one embodiment, coolant jacket is equipped with outer water jacket, and outer water jacket is connected with coolant jacket made of Heat Conduction Material.It is cold
But what is be arranged with is made from a material that be thermally conductive, and avoids accumulation of the heat in coolant jacket.
Preferably, coolant jacket is equipped with the cavity coordinated with PVC spools, and coolant jacket is equipped with helicla flute, is guided by helicla flute
Cooling water flows through coolant jacket.
Coolant jacket is equipped with cavity, and PVC spools are accommodated by cavity.Coolant jacket is equipped with helicla flute, and flow flows in helicla flute
It crosses, coolant jacket is flowed through by helicla flute guide cooling water.
Preferably, the inner surface for the cavity that coolant jacket is equipped with is equipped with frosting, improves abrasion resistance.
Compared with prior art, the present invention having the characteristics that：The structure design of the mold runner of optimization is realized to mold
The mouth mold of the careful design of pressure, connecting shaping section reduces melt die swelling power, meanwhile, it is comprehensive using spiral cooling water cover
It closes and promotes production stability.
Description of the drawings
Fig. 1 is overall structure diagram in the embodiment of the present invention.
Fig. 2 is coolant jacket structural schematic diagram in the embodiment of the present invention.
Fig. 3 is extrusion die structural schematic diagram in the embodiment of the present invention.
Specific implementation mode
Attached drawing only for illustration, is not considered as limiting the invention；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Illustrate, is not considered as limiting the invention.
Embodiment 1：
As Fig. 1 and as shown in figure 3, the present invention provide it is a kind of improve PVC spool production stabilities mold, include the company of solution
Section 1 is connect, solution is connect by linkage section 1 with shunting die holder 2, and the solution outflux of shunting die holder 2 is equipped with extrusion die, this implementation
In example, there are four extrusion die is set.
As shown in figure 3, the solution inflow entrance of extrusion die is equipped with die holder 3, die holder 3 is equipped with the cavity of taper, extrusion die
Interior to be equipped with spreader 4, spreader 4 is equipped with bullet 41 and fixed part 42.Bullet 41 coordinates with the cavity that die holder 3 is equipped with, shape
At distributary division 31, distributary division 31 is gradually tapered up along melt flow direction.
As shown in figure 3, fixed part 42 is connect with mold core 8, it is connect with mold core 8 by fixed part 42 and progress is set to spreader 4
It is fixed.
As shown in figure 3, the solution by distributary division 31 enters contraction flow region 51 by flat segments, contraction flow region 51 is to shrink set 5
The pyramidal structure cooperatively formed with mold core 8, contraction flow region 51 are gradually tapered up along melt flow direction, to molten during melt flow
Body is stretched.
As shown in figure 3, mold core 8 cooperatively forms setting section with mouth mold 6, setting section is equipped with 61 peace of tapered portion gradually tapered up
Straight portion 81, tapered portion 61 are gradually tapered up along melt flow direction, are squeezed solution, the solution after the extruding of tapered portion 61
Into flat part 81, further compression compact melt completes melt and is plasticized and is molded in mold.
Mold core 8 is equipped with two parts, and a part is divided for the tapered portion 61 coordinated with contraction set 5 and mouth mold 6, what tapered portion 61 was divided
The shape structure for shrinking set 5 and 6 part of mouth mold corresponding with size, and then the channel of taper is formed, while can ensure contraction flow region
51 with the connection of the retracted configuration of tapered portion 61, avoid product quality from being affected.；Another part is to be cooled and shaped part, with
Flat part 81 coordinates.
In the present embodiment, extrusion die is equipped with pressing plate 7, and pressing plate 7 coordinates with set 5 is shunk, mouth mold 6 is fixed, realizes
The accurate fit of contraction flow region 51 and tapered portion 61.
As shown in Fig. 2, coolant jacket 92 is equipped with outer water jacket 91, outer water jacket 91 is connected with coolant jacket 92 made of Heat Conduction Material,
PVC spools, which stretch, enters coolant jacket 92.Coolant jacket 92 is equipped with the cavity coordinated with PVC spools, and it is cold that PVC spools enter cavity progress
But.Coolant jacket 92 is equipped with helicla flute 93, and coolant jacket 92,93 guide cooling water of helicla flute are flowed through by 93 guide cooling water of helicla flute
Rotational flow avoids incrustation scale or other impurity from depositing, has the function that clean automatically.
In the present embodiment, when mold design, need to meet following relationship：The annular space area of spreader 4 is set as V1, mouth mold 6,
The annular space area of mold core 8 is V2, and 6 diameter of bore of mouth mold is D, and each discharge area is V3 after shunting die holder 2 shunts, and shunts die holder 2
Longitudinal length is L, and it is d to be cooled to jacket diameter of bore, then：
V1/V3 >=4 and L is inversely proportional with the ratio, L is bigger, and the ratio is then smaller.
10≤V1/V2≤28 and D increases with the increase of the ratio, but need to ensure that D/d ratios are not more than simultaneously
1.05。
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (8)
1. a kind of mold improving PVC spool production stabilities, which is characterized in that include the linkage section of solution, the connection
Section is connect with shunting die holder, and shunting die holder is combined with several extrusion dies, and the extrusion die is equipped with die holder, and extrusion die is set
Have a spreader of the taper coordinated with die holder, spreader and die holder cooperatively form distributary division, distributary division along melt flow direction by
Taper contracting；The spreader by equipped with flat segments connect with mold core, mold core with shrink set cooperatively forms contraction flow region, the receipts
Contracting portion is gradually tapered up along melt flow direction；The mold core cooperatively forms setting section with mouth mold, and the setting section, which is equipped with, gradually to be received
The tapered portion and flat part of contracting, the outlet end of the setting section are connect with coolant jacket.
2. the mold according to claim 1 for improving PVC spool production stabilities, which is characterized in that the spreader is set
There are bullet and fixed part, the bullet to cooperatively form distributary division with die holder, the fixed part is connect with mold core.
3. the mold according to claim 1 for improving PVC spool production stabilities, which is characterized in that contractions set and
Mouth mold is connected, and the contraction flow region is connected with each other with setting section.
4. the mold according to claim 3 for improving PVC spool production stabilities, which is characterized in that the contraction flow region
It shrinks consistent with the shrink-fit of tapered portion.
5. the mold according to claim 1 for improving PVC spool production stabilities, which is characterized in that the extrusion die
Equipped with pressing plate, the pressing plate is connect with mouth mold, and pressing plate is fixed mouth mold with set cooperation is shunk.
6. the mold according to claim 1 for improving PVC spool production stabilities, which is characterized in that the cooling is arranged
There are outer water jacket, the outer water jacket to be connected with coolant jacket made of Heat Conduction Material.
7. the mold according to claim 6 for improving PVC spool production stabilities, which is characterized in that the cooling is arranged
There are the cavity coordinated with PVC spools, the coolant jacket to be equipped with helicla flute, coolant jacket is flowed through by helicla flute guide cooling water.
8. the mold according to claim 7 for improving PVC spool production stabilities, which is characterized in that the cooling is arranged
The inner surface of some cavitys is equipped with frosting, improves abrasion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575268.6A CN108454055A (en) | 2018-06-06 | 2018-06-06 | A kind of mold improving PVC spool production stabilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575268.6A CN108454055A (en) | 2018-06-06 | 2018-06-06 | A kind of mold improving PVC spool production stabilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108454055A true CN108454055A (en) | 2018-08-28 |
Family
ID=63214823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810575268.6A Pending CN108454055A (en) | 2018-06-06 | 2018-06-06 | A kind of mold improving PVC spool production stabilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108454055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501203A (en) * | 2018-12-21 | 2019-03-22 | 安徽普氏生态环境工程有限公司 | The a plurality of biologic packing material section bar extruding mould of single mode head |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061461A (en) * | 1976-05-10 | 1977-12-06 | Thermoplastice Processes Inc. | Compound extrusion die for producing an internally lined extrudate |
| JPH08207021A (en) * | 1995-02-06 | 1996-08-13 | Tsutsunaka Plast Ind Co Ltd | Manufacture of synthetic resin board with grain pattern |
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN1490149A (en) * | 2002-10-16 | 2004-04-21 | 天津理工学院 | Low-density polyethylene pipe self-reinforcing extruding noses |
| CN201889898U (en) * | 2010-11-11 | 2011-07-06 | 束方才 | Diamond mandrel plastic hard pipe extrusion machine head with buffering runner |
| CN202180586U (en) * | 2011-07-15 | 2012-04-04 | 永高股份有限公司 | Multiple polyvinyl chloride (PVC) water supply pipe material extrusion die |
| CN204725816U (en) * | 2015-05-22 | 2015-10-28 | 四川南格尔生物科技有限公司 | Hose extrusion mould |
| CN205601129U (en) * | 2016-05-08 | 2016-09-28 | 浙江菲达通球环保管业有限公司 | Quick extrusion tooling of ultrahigh molecular weight polyethylene tubular product |
| CN208497631U (en) * | 2018-06-06 | 2019-02-15 | 南京联塑科技实业有限公司 | A kind of mold improving PVC spool production stability |
-
2018
- 2018-06-06 CN CN201810575268.6A patent/CN108454055A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061461A (en) * | 1976-05-10 | 1977-12-06 | Thermoplastice Processes Inc. | Compound extrusion die for producing an internally lined extrudate |
| JPH08207021A (en) * | 1995-02-06 | 1996-08-13 | Tsutsunaka Plast Ind Co Ltd | Manufacture of synthetic resin board with grain pattern |
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN1490149A (en) * | 2002-10-16 | 2004-04-21 | 天津理工学院 | Low-density polyethylene pipe self-reinforcing extruding noses |
| CN201889898U (en) * | 2010-11-11 | 2011-07-06 | 束方才 | Diamond mandrel plastic hard pipe extrusion machine head with buffering runner |
| CN202180586U (en) * | 2011-07-15 | 2012-04-04 | 永高股份有限公司 | Multiple polyvinyl chloride (PVC) water supply pipe material extrusion die |
| CN204725816U (en) * | 2015-05-22 | 2015-10-28 | 四川南格尔生物科技有限公司 | Hose extrusion mould |
| CN205601129U (en) * | 2016-05-08 | 2016-09-28 | 浙江菲达通球环保管业有限公司 | Quick extrusion tooling of ultrahigh molecular weight polyethylene tubular product |
| CN208497631U (en) * | 2018-06-06 | 2019-02-15 | 南京联塑科技实业有限公司 | A kind of mold improving PVC spool production stability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501203A (en) * | 2018-12-21 | 2019-03-22 | 安徽普氏生态环境工程有限公司 | The a plurality of biologic packing material section bar extruding mould of single mode head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021169513A1 (en) | Extrusion die, apparatus and method for implementing bidirectional extrusion molding process | |
| CN108787777A (en) | A kind of band hinders the aluminum alloy heat extrusion die at angle | |
| CN208497631U (en) | A kind of mold improving PVC spool production stability | |
| CN201143522Y (en) | Hot-extrusion mold | |
| CN108454055A (en) | A kind of mold improving PVC spool production stabilities | |
| CN211763355U (en) | Plastic extruding mold core for plastic pipe production | |
| CN204651101U (en) | The nonmetal band longitudinal tubing mould of a kind of optical cable | |
| CN102310539A (en) | Extrusion die of plastic pipe production equipment with one runner inlet and eight runner outlets | |
| CN205966826U (en) | Aluminum -magnesium alloy wire material multihole extrusion mould | |
| CN214872547U (en) | Teflon cable extruder head and extrusion molding equipment | |
| CN208680191U (en) | A kind of band hinders the aluminum alloy heat extrusion die at angle | |
| CN204701114U (en) | A kind of novel cable extrusion molding mould | |
| CN206718514U (en) | The former of arc plastic material | |
| CN206106317U (en) | Extrude calender at a high speed suitable for rubber | |
| CN107685435A (en) | The moulding process and mould of a kind of plastic pipe | |
| CN221112794U (en) | Spool forming die | |
| CN213701254U (en) | Multi-cavity aluminum profile hot extrusion die | |
| CN202283778U (en) | Extrusion die in one-to-eight plastic pipe production equipment | |
| CN218709941U (en) | Cooling device of optical glass bar forming die | |
| CN205463679U (en) | Easy open can bottom extrusion tooling | |
| CN219294714U (en) | Shaping device for preparing diversion net | |
| CN216683249U (en) | Double-layer co-extrusion die for multi-cavity pipe | |
| CN218535558U (en) | Extruded pipe type round cable mould for PVC sheath | |
| CN206613858U (en) | A kind of mouth mold of the hot-extrudable shaping of rods and bars of aluminium alloy | |
| CN217373397U (en) | PVC double-pipe extrusion die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180828 |
|
| RJ01 | Rejection of invention patent application after publication |