CN201776902U - Plastic profile stock mold device - Google Patents

Plastic profile stock mold device Download PDF

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Publication number
CN201776902U
CN201776902U CN2010202934677U CN201020293467U CN201776902U CN 201776902 U CN201776902 U CN 201776902U CN 2010202934677 U CN2010202934677 U CN 2010202934677U CN 201020293467 U CN201020293467 U CN 201020293467U CN 201776902 U CN201776902 U CN 201776902U
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CN
China
Prior art keywords
section
parison
cooling
longitudinal section
typing
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Expired - Fee Related
Application number
CN2010202934677U
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Chinese (zh)
Inventor
吴翟
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Individual
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Individual
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Priority to CN2010202934677U priority Critical patent/CN201776902U/en
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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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/905—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using wet calibration, i.e. in a quenching tank
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting 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
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The utility model provides a plastic profile stock mold device comprising a dry stock mold and a straight cooling vacuum setting section, which are linked, wherein the straight cooling vacuum setting section consists of an inlet section, a main body section and an outlet section, the lengths of the inlet section and the outlet section are 1/20-1/30 of the total length of the straight cooling vacuum setting section respectively, the shape and the longitudinal section of an inner cavity at the inlet section are consistent with the shape and the longitudinal section of a stock mold cavity of the dry stock mold, the shape of the inner cavity at the outlet section is in adaption with the shape of a parison to be processed, but the longitudinal section is slightly larger than that of the parison to be processed, the longitudinal section of the inner cavity at the main body section is larger than that of the parison, the inlet section, the main body section and the parison form a space which is relatively sealed, cooling liquid in the space is in direct contact with the surface of the parison for cooling, and the cooling liquid under negative pressure is simultaneously used for setting the parison, thereby finally curing the parison to a profile.The device has high cooling efficiency, and the produced profile has high surface finish and excellent quality.

Description

A kind of plastic material stock mould device
Technical field
The utility model relates to and a kind of the plastic material of extruding is continuously carried out the device of moulding and cooling and shaping, belongs to the mechanical device field.
Background technology
The forming process of plastic material generally comprises following step: plastic raw materials is plastified into melt in extruder barrel, melt becomes the melt parison of definite shape through the extruder die capitiform, the melt parison enters and is cooled in the shaper and finalizes the design almost, and continues cooling and moulding by cooling water tank more thereafter.Vacuum hole and cooling hole are arranged on the shaper, and under the effect of vacuum adsorption force, parison closely contacts with shaper, simultaneously, carries out heat exchange between parison and shaper or the cooling fluid and is cooled.Desire to make section bar not deform under draw and in follow-up cooling procedure, parison must fully be cooled off and solidifying and setting in shaper.Because the structure of present shaper is limit, have the problem of following two aspects: on the one hand, the speed that parison is cooled in shaper is limited.Thereby, for parison being solidified substantially and finalizing the design, must reduce the hauling speed of section bar after going out shaper, perhaps need to increase the length of shaper; Reduce hauling speed and must influence production efficiency; And the length of shaper can not unrestrictedly prolong, and the increase of shaper length can increase the resistance in the distraction procedure, causes adding large traction, and tractive force is crossed conference makes section bar produce distortion; In addition, the length that increases shaper can increase cost of manufacture and influence mould and die accuracy, has strengthened rigging error simultaneously.On the other hand, vacuum suction effect in the cooling and shaping process makes between parison and the shaper and closely contacts, this can make the section bar surface produce and draw line, thereby influence the fineness and the smoothness on section bar surface, and may in use produce cracking, in order to reduce surface pattern, the assembly precision that needs to reduce the roughness of shaper inner surface and improve mould, this has just increased the cost of manufacture and the loaded down with trivial details operation of mould greatly.Therefore, produce at present the shaper total length that is adopted and generally be no more than 135cm, line speed is at 2.5～3.5 meters/minute, and mold materials and making require all higher.
Notification number is that the Chinese invention patent of CN 1069689A discloses a kind of name and is called " method for shaping of intermittent type direct water-cooling ", this method is divided into two parts to section bar extrusioning shaping mould, in one section die of back, have interrupted water ring, section bar is had in the mould directly to be contacted with water intermittently, like this, after section bar is extruded by the mouth mould,, directly use water cooling through water ring more earlier through the preliminary cooling and shaping of first order vacuum cooled shaper.Then, through vacuum suction typing, constantly water-cooled, typing and progressively reach size and fineness requirement again.Though this method can be improved the method that plastic material is extruded under the prerequisite that does not influence speed of production, improve dimensional accuracy of products and fineness, and reduces die cost.But this design still can not increase substantially the cooling effectiveness of parison, and the parison surface also can produce and draws line or scratch.
Notification number is that the Chinese utility model patent of CN2594001Y discloses a kind of " a kind of plastic irregular profile stock mould device " by name, and this utility model is to be provided with die sleeve outside die cavity, and die sleeve places water tank, and the die sleeve wall is provided with hole or the seam that is connected with die cavity.This utility model is designed to the die sleeve form similar to cavity shape with the dry type calibrator, be distributed with the seam or the hole that are connected with die cavity on the die sleeve, and die sleeve placed vacuum water tank fully, make it obtain cooling, while makes plastic parison and goods press close to the die cavity wall by the negative pressure in the vacuum water tank and obtains typing, though such design has improved cooling effectiveness and cooling uniformity to a certain extent, but most heat is in fact still undertaken by the mode of indirect heat exchange in this design, its cooling effectiveness is limited, thereby shaper is also longer, thereby influences the surface quality of section bar.
Publication number is that the Chinese invention patent of CN101306577A discloses one and be called " to the method and the intercooler unit of continuous extrusion plastic products cooling and shaping ", and this patent is between dry type stock mould and wet type typing water tank one section intercooler unit to be set; This intercooler unit is the casing of a sealing, casing on the section bar moving direction, be provided with several by shaped block every the cooling chamber that feeds and derive cooling water that separates, each cooling chamber top communicates and communicates with the outer negative pressure source of casing; Each cooling chamber equates or increases progressively that at the width of section bar moving direction first cooling chamber width that section bar imports is not more than 3mm.This method can not make product deformation because each cooling chamber width is very little, and goods integral body is immersed in the cooling water, cools off and typing efficient height, can improve the hauling speed of section bar, reduces the total length of stock mould.But should invention must increase by a special intercooler unit, and must supporting use negative pressure source, and increase the input of integral device, structure is comparatively complicated, and the surface quality of section bar particularly outward appearance can be influential.
Summary of the invention
In order to solve the problem that above-mentioned continuous extrusion plastic section bar speed of production and section bar surface quality are difficult to improve, the utility model provides a kind of plastic material stock mould device that the plastic material of extruding is continuously carried out moulding and cooling and shaping.It solved lower in the prior art to the plastic material cooling effectiveness, the section bar surface quality is not good, Mold Making requirement height, problem that cost of investment is bigger.
For solving the problems of the technologies described above, the utility model is achieved by the following technical programs: the utility model plastic material stock mould device includes first section dry type stock mould, second section direct cooling vacuum typing section and cooling casing, directly cooling vacuum typing section places the cooling casing, the dry type stock mould comprises typing die cavity and cooling jacket, the shape and the longitudinal section of typing shape of die cavity and longitudinal section and parison to be processed are suitable, and cooling jacket is provided with import and the outlet that is connected with the external refrigeration liquid pipeline; Described direct cooling vacuum typing section and dry type stock mould close-coupled, this direct cooling vacuum typing section is by entrance, main paragraph and outlet section constitute, with an end of dry type stock mould close-coupled be entrance, the other end is an outlet section, it between entrance and the outlet section main paragraph, the length of entrance and outlet section is respectively 1/20～1/30 of direct cooling vacuum typing section total length, the shape of entrance inner chamber is consistent with the shape and the longitudinal section of the typing die cavity of dry type stock mould with the longitudinal section, the shape of the shape of outlet section inner chamber and parison to be processed is suitable, but the longitudinal section of outlet section inner chamber is more bigger than the longitudinal section of parison to be processed, the longitudinal section of main paragraph inner chamber is bigger than the longitudinal section of parison, described entrance, main paragraph forms relative sealed space with outlet section with the parison of cross section sealing, this space is connected with negative pressure source, under the effect of negative pressure suction, the cooling fluid two of cooling in the casing enters this relative sealed space by the flexible rubber material of outlet section with slit between the parison surface, parison is immersed in the cooling fluid two and is directly cooled in this space, cooling fluid two in this space is in negative pressure state simultaneously, and this suction function makes the parison of cross section sealing reach the effect of typing; Through the efficient cooling and the typing of direct cooling vacuum typing section, the parison cools sizing and solidifying is a section bar, and section bar enters subsequently that the liquid two that is cooled between the catchment directly soaks or spray continues cooling.
In above-mentioned, the longitudinal section of outlet section inner chamber is than the big 0.5-2mm in the longitudinal section of parison to be processed, and the parison outer surface is adjacent with the outlet section inner chamber but do not contact when making parison pass through outlet section.
In above-mentioned, the longitudinal section of main paragraph inner chamber does not directly contact main paragraph than the big 1-15cm in the longitudinal section of parison with the parison outer surface.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model device has very high cooling effectiveness to parison.The shaper of dry type stock mould and currently used other kind is that the mode that adopts cooling fluid to cool off is indirectly cooled off parison, most of heat in parison cools type-approval process conduction is earlier given mould, cooling fluid is carried out heat exchange and is taken away heat with mould more then, and its heat transfer efficiency is lower.It is by intake pressure flowing in die steel, takes away goods and conducts heat to die steel.In the utility model device, cooling fluid directly contacts with parison carries out heat exchange and takes away heat, so the cooling effectiveness height, cooling effect is good.
2, surface smoothness height, the surface quality of the section bar produced of the utility model device are good.Parison parison surface in the cooling and shaping process directly contacts the surface quality that can influence section bar with the hard metal shaper, and time of contact is long more to be that the hard metal mould is long more, and then the surface quality of section bar is poor more.In the utility model device, have only first section dry type stock mould and direct cooling vacuum entrance two parts of finalizing the design section with hard metal shaper that parison surface directly contact, this two-part length overall only account for the utility model device cooling and shaping section length overall 1/6～1/8, and be to contact when also not solidifying fully on the parison surface, and 5/6～7/8th of the cooling and shaping section length overall of the utility model device, cooling fluid directly contacts with the parison surface, thereby, section bar surface highly polished, do not draw line, surface quality is good, good looking appearance.
Hauling speed when 3, the utility model device is produced section bar is fast, the production efficiency height.In the utility model device, what directly contact with the parison surface on most of cooling and shaping segment length is cooling fluid, therefore, cooling effectiveness height, tractive resistance are little, thereby can accomplish producing section bar under the hauling speed under the effect of less tractive force and faster, line speed can reach 6～8 meters/minute.
4, directly entrance, main paragraph and the outlet section of cooling vacuum typing section form relative sealed space with the parison that the cross section of surperficial curing substantially and preliminary typing seals in the utility model device, and this space directly is connected with negative pressure source, and be full of the cooling fluid that is in negative pressure state, parison integral body is immersed in the cooling fluid in this space, because parison does not also have complete solidifying and setting in this space, therefore can make parison reach the purpose of typing by this suction function.
5, the utility model device is compared with the dry type stock mould of equal length or the shaper of currently used other kind; its making material uses less, makes precision and surface roughness etc. and requires also lower; total manufacturing cost is lower, and structure is terse, reasonable in design, easy disassembling, easy to maintenance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the longitudinal section explosion views of the utility model embodiment one.
Fig. 2 is the longitudinal section explosion views of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model dry type stock mould.
Among the figure: 1, parison, 2, the dry type stock mould, 3, import, 4, outlet, 5, the typing die cavity, 6, cooling jacket, 7, entrance, 8, main paragraph, 9, the negative pressure source connector, 10, relative sealed space, 11, outlet section, 12, cooling fluid two, 13, cooling casing, 14, the elastic packing dividing plate, 15, the cooling fluid spray nozzle, 16, cooling fluid one, 17, direct cooling vacuum typing section.
The specific embodiment
Embodiment one:
In conjunction with Fig. 1 and shown in Figure 3, first section of the device of realization cooling and shaping plastic profile method is dry type stock mould 2, this dry type stock mould 2 comprises typing die cavity 5 and cooling jacket 6, the shape and the longitudinal section of typing shape of die cavity 5 and longitudinal section and parison to be processed are suitable, parison 1 enters from an end of this typing die cavity 5, come out from the other end, the both sides up and down of cooling jacket 6 are provided with import 3 and the outlet 4 that is connected with the external refrigeration liquid pipeline, cooling fluid 1 enters the cooling jacket 6 from import 3, come out from exporting 4, under the cooling effect of the cooling fluid 1 in this cooling jacket 6, parison 1 is cooled in this dry type stock mould 2, and solidify and preliminary typing substantially on its surface when parison 1 goes out this dry type stock mould 2.
Second section of device is direct cooling vacuum typing section 17, it and dry type stock mould 2 close-coupled, this direct cooling vacuum typing section aborning along on the direction of advance of parison by entrance 7, main paragraph 8 and outlet section 11 constitute, with an end of dry type stock mould 2 close-coupled be entrance 7, the other end is an outlet section 11, be main paragraph 8 between entrance 7 and the outlet section 11, entrance 7 and main paragraph 8 are made by metal material, outlet section 11 is made by the rubber-like flexible rubber material, the length of entrance 7 and outlet section 11 has only 1/20～1/30 of these direct cooling vacuum typing section 17 total lengths respectively, the shape of entrance 7 inner chambers, the shape of the typing die cavity 5 of longitudinal section and dry type stock mould 2, the longitudinal section unanimity, the shape of outlet section 11 inner chambers and the shape of parison 1 are suitable, but the longitudinal section of outlet section 11 inner chambers is than the big 1.2mm in the longitudinal section of parison 1, and the longitudinal section of main paragraph 8 inner chambers is than the big 5cm in the longitudinal section of parison 1.
Utilize said apparatus to realize the method for cooling and shaping plastic profile, implementation step is: at first, melt parison 1 enters first section dry type stock mould 2, and under the cooling and styling of dry type stock mould 2, parison 1 surface is basic solidifies and preliminary typing; Then, the basic parison 1 that solidifies in surface enters second section direct cooling vacuum typing section 17 immediately, the entrance 7 of this direct cooling vacuum typing section 17 closely contacts with parison 1 surface, outlet section 11 is adjacent with parison 1 surface, and its main paragraph 8 does not directly contact with parison 1, thereby the entrance 7 of this direct cooling vacuum typing section 17, main paragraph 8 solidifies substantially with the surface with outlet section 11 and the parison 1 of preliminary cross section sealing of finalizing the design forms relative sealed space 10, this space is connected with negative pressure source by negative pressure source connector 9, under the effect of negative pressure suction, the cooling fluid two 12 of cooling in the casing 13 enters this relative sealed space 10 by the flexible rubber material of outlet section 11 with slit between parison 1 surface, parison 1 is immersed in the cooling fluid 2 12 and is directly cooled in this space, cooling fluid 2 12 in this space is in negative pressure state simultaneously, and this suction function makes the parison 1 of cross section sealing reach the effect of typing; After efficient cooling and typing, parison 1 cooling and shaping is cured as section bar, and the cooling fluid 2 12 that section bar enters in the casing 13 that is cooled between the catchment is subsequently directly soaked further cooling.
Embodiment two:
In conjunction with Fig. 2 and shown in Figure 3, at embodiment one dry type stock mould 2 with directly under the constant situation of cooling vacuum typing section 17 structures, inwall is provided with cooling fluid spray nozzle 15 with following inwall on the back segment that installs, cooling casing 13, the middle part of cooling casing 13 is provided with elastic packing dividing plate 14, this elastic packing dividing plate 14 can make cooling fluid form seal cavity, and parison 1 is immersed in the cooling fluid.After parison 1 is directly cooled Vacuum shaping section 17 cooling and shapings and is cured as section bar, enter liquid spray nozzle 15 sprays that are cooled between the catchment then and continue cooling.
In above-mentioned, it is cooling fluid that cooling fluid 1 and cooling fluid 2 12 all adopt water.
Above content is in conjunction with further describing that concrete main embodiment is done, and can not assert that concrete enforcement of the present utility model is confined to these explanations.Those skilled in the art are not breaking away under the prerequisite of the utility model design, some other technology of done accurately, the deduction or replace that beautify, all should belong to protection domain of the present utility model.

Claims (3)

1. plastic material stock mould device, it is characterized in that, include first section dry type stock mould, second section direct cooling vacuum typing section and cooling casing, described direct cooling vacuum typing section places the cooling casing, described dry type stock mould comprises typing die cavity and cooling jacket, the shape and the longitudinal section of typing shape of die cavity and longitudinal section and parison to be processed are suitable, and cooling jacket is provided with import and the outlet that is connected with the external refrigeration liquid pipeline; Described direct cooling vacuum typing section and dry type stock mould close-coupled, this direct cooling vacuum typing section is by entrance, main paragraph and outlet section constitute, with an end of dry type stock mould close-coupled be entrance, the other end is an outlet section, it between entrance and the outlet section main paragraph, the length of entrance and outlet section is respectively 1/20～1/30 of direct cooling vacuum typing section total length, the shape of entrance inner chamber is consistent with the shape and the longitudinal section of the typing die cavity of dry type stock mould with the longitudinal section, the shape of the shape of outlet section inner chamber and parison to be processed is suitable, but the longitudinal section of outlet section inner chamber is more bigger than the longitudinal section of parison to be processed, the longitudinal section of main paragraph inner chamber is bigger than the longitudinal section of parison, described entrance, main paragraph forms relative sealed space with outlet section with the parison of cross section sealing, and this space is connected with negative pressure source.
2. a kind of plastic material stock mould device according to claim 1 is characterized in that the longitudinal section of described outlet section inner chamber is than the big 0.5-2mm in the longitudinal section of parison to be processed.
3. a kind of plastic material stock mould device according to claim 1 is characterized in that the longitudinal section of described main paragraph inner chamber is than the big 1-15cm in the longitudinal section of parison.
CN2010202934677U 2010-08-16 2010-08-16 Plastic profile stock mold device Expired - Fee Related CN201776902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202934677U CN201776902U (en) 2010-08-16 2010-08-16 Plastic profile stock mold device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202934677U CN201776902U (en) 2010-08-16 2010-08-16 Plastic profile stock mold device

Publications (1)

Publication Number Publication Date
CN201776902U true CN201776902U (en) 2011-03-30

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Application Number Title Priority Date Filing Date
CN2010202934677U Expired - Fee Related CN201776902U (en) 2010-08-16 2010-08-16 Plastic profile stock mold device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104260324A (en) * 2014-07-29 2015-01-07 德星技术（苏州）有限公司 Plastic flow guide net sizing technology
CN104875324A (en) * 2015-04-16 2015-09-02 莆田市多容光学电子有限公司 Injection molding production process capable of reducing warping possibility of plastic plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104260324A (en) * 2014-07-29 2015-01-07 德星技术（苏州）有限公司 Plastic flow guide net sizing technology
CN104875324A (en) * 2015-04-16 2015-09-02 莆田市多容光学电子有限公司 Injection molding production process capable of reducing warping possibility of plastic plate

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110330

Termination date: 20150816

EXPY Termination of patent right or utility model