CN104290275A - Injection molding device - Google Patents

Injection molding device Download PDF

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Publication number
CN104290275A
CN104290275A CN201410481532.1A CN201410481532A CN104290275A CN 104290275 A CN104290275 A CN 104290275A CN 201410481532 A CN201410481532 A CN 201410481532A CN 104290275 A CN104290275 A CN 104290275A
Authority
CN
China
Prior art keywords
shunting body
rear end
core rod
tube gap
bearing bracket
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
Application number
CN201410481532.1A
Other languages
Chinese (zh)
Inventor
李强
彭恩文
张建清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Zhongshan Technology Co Ltd
Original Assignee
Chengdu Zhongshan Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Zhongshan Technology Co Ltd filed Critical Chengdu Zhongshan Technology Co Ltd
Priority to CN201410481532.1A priority Critical patent/CN104290275A/en
Publication of CN104290275A publication Critical patent/CN104290275A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725Manifolds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7331Heat transfer elements, e.g. heat pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses an injection molding device. The injection molding device comprises a front end cover and a rear end cover, wherein holes are formed in the front end cover and the rear end cover, a mold core main body is arranged in the hole, a pipe gap is formed between the mold core main body and the front end cover and between the mold core main body and the rear end cover, the mold core main body comprises a flow dividing body and a mold core, a flow dividing body support is clamped between the front end cover and the rear end cover, the flow dividing body support comprises an outer ring, an inner core and a connecting rib connecting the outer ring with the inner core, a limit groove or a limit bulge is formed in or arranged on the inner core axially, a bulge or a groove is formed on/in the flow dividing body, a demolding cavity is also arranged between the flow dividing body and the rear end cover, and heating sleeves are arranged on the rear end cover and the mold core. The injection molding device has a simple structure, so that the volume and the quality of the plastic pipe mold can be reduced favorably, the product forming quality is good and the working efficiency is high.

Description

A kind of injection moulding apparatus
Technical field
The present invention relates to pipe fitting mfg. moulding die field, particularly relate to a kind of injection moulding apparatus.
Background technology
Plastic pipe has that quality is light, intensity is high, corrosion-resistant, simple installation, construction costs are low and the advantage such as resistance to water-flow is little, has been widely used in municipal drainage, water system, building water supply and sewage and process stream transportation art.
In recent years along with China improves constantly the development with plastic extrusion machinery for the production of UPVC and the resin quality of other material tubing, China possesses the ability of competing with same kind of products at abroad completely.In prior art, UPVC tubing has the huge market demand, in prior art, the making of UPVC tubing realizes the Output pressure of molten resin by single screw extrusion machine, the resin of melting enters into plastic tube mould and realizes the shaping of tubing, and the theoretical research of UPVC tubing injection moulding and the product quality of determination to UPVC tubing of Design of Moulds play conclusive effect.
Summary of the invention
Play the problem of conclusive effect for the theoretical research of above-mentioned UPVC tubing injection moulding and the product quality of determination to UPVC tubing of Design of Moulds, the invention provides a kind of injection moulding apparatus.
For solving the problem, a kind of injection moulding apparatus provided by the invention solves problem by following technical essential: a kind of injection moulding apparatus, comprise the drive end bearing bracket and rear end cap that are fixedly connected with in the form of removably connecting, described drive end bearing bracket and rear end cap be axially provided with hole, mold core body is provided with in described hole, described mold core body and the tube gap be provided with between drive end bearing bracket and rear end cap for tube forming, described mold core body comprises shunting body and core rod, described shunting body is fixed on the end of core rod near tube gap entrance one end, and shunting body and core rod are releasable connection, shunting body support is also clamped with between described drive end bearing bracket and rear end cap, described shunting body support comprises outer shroud, inner core and the dowel being connected outer shroud and inner core, connect outer shroud and between inner core, form the passage being communicated with its both sides tube gap, inner core be axially provided with limited impression or spacing preiection, shunting body is provided with the projection or groove that coordinate with limited impression or spacing preiection, and shunting body is semielliptical shape, described tube gap is streamlined, demoulding seat is also provided with between described shunting body support and rear end cap, described demoulding seat is the reducing shaft-like diminished to other end diameter from a section, and the less one end of demoulding seat diameter with core rod for be detachably fixedly connected with form, one end external diameter that demoulding seat is connected with core rod is equal with core rod external diameter, and described rear end cap and core rod are provided with multiple heating jacket separately on the wall of tube gap side.
Concrete, in the present invention, the drive end bearing bracket arranged is used for being connected so that the present invention accepts the plastic liquid of molten condition with plastic extruder, after drive end bearing bracket is connected with rear end cap, plastic liquid is entered by the front end of tube gap, stop through shunting body forms the outer wall of plastic tube to surrounding dispersion flows, completes the injection-moulding step of plastic tube.In prior art, the many employings of shunting body are coniform, in the present invention, shunting body is the shape setting of semielliptical, make plastic liquid through the tube gap required time of shunting body surrounding short and on the cross section of tube gap each point flow velocity comparatively even, the degree that such plastic liquid occurs to decompose in the process of shunting is low and by the uniform flow of each point on tube gap cross section in the unit interval, like this under the prerequisite reducing shunting body volume and weight, be conducive to the quality of the plastic tube of follow-up formation, the shunting body support arranged is for limiting the position in the hole axially arranged of shunting body at drive end bearing bracket and rear end cap: shunting body is fixed on core rod, in the process of core temperature change, because the shunting body be on core rod free end that expands with heat and contract with cold of core rod will inevitably produce displacement, and by arrange shunting body and inner core on intermeshing groove and projection, realize fixing relative to drive end bearing bracket or rear end cap position of shunting body, reach and stop shunting body to occur with the core rod situation of change in location in above described holes of expanding with heat and contract with cold, be convenient to like this keep shunting body to be positioned at the central authorities in described hole all the time, reach the object of the happy and harmonious plastics of uniform distribution, be beneficial to product quality of the present invention, the demoulding seat arranged is for improving demoulding efficiency of the present invention: after completing plastic tube injection moulding, by discharging the connection of drive end bearing bracket and rear end cap, end cap and rear end cap apply tension and can realize shunting body support and drive end bearing bracket forward, or shunting body support is separated with rear end cap, the plastics be simultaneously in tube gap will rupture near above two positions, but the maximum gauge of shunting body is large compared with core rod diameter in prior art, the front end of pipe that will inevitably be formed in injection moulding of smoothly transitting like this for realizing tube gap form one and expand end, the demoulding seat of above version, be convenient to the connection by removing demoulding seat and core rod, realize core rod to be extracted out by one end any in the two ends of the plastic tube formed, reach the object improving injection moulding efficiency of the present invention, the heating jacket arranged is used for heating outside in the tubing of tube gap internal shaping, so that the maintenance of outside plastics molten condition when the demoulding in tubing, further make the temperature in outside in tubing consistent by heating jacket, to reduce the size of the shear stress of rear end cap and core rod in tubing and the present invention in knockout course, be convenient to the demoulding, promote demoulding quality, ensure the stability of pipe fitting quality of item of the present invention.
Further technical scheme is:
For ease of described core rod and shunting body connection be separated, be beneficial to operating efficiency of the present invention, described core rod is also fixed with the connecting screw rod of axis axis collinear with it near one end of tube gap arrival end, described connecting screw rod and shunting body are threaded and realize shunting body and be fixedly connected with core rod.Further, resist for strengthening screw thread on connecting screw rod the ability that alternate load produces plastic deformation, reach the object extending connecting screw rod service life, described connecting screw rod is high temperature bolt, and further, described high temperature bolt is the threaded rod of material 35CrMo.
For the distribution of plastic liquid in even tube gap, described dowel is multiple, and each dowel is uniform in the form of a ring each other.
For the uniformity of further uniform plastic's fluid fluid flowing on tube gap cross section after dowel, the side of described dowel is streamlined arcwall face.
For ease of the connection of the present invention and front end extruder, described drive end bearing bracket is also provided with the adapter sleeve around the distribution of tube gap entrance, described adapter sleeve is be arranged on the internal thread hole on tube gap entrance inwall or the external screw thread ring-type outside tube gap entrance is protruded.Further, preferred described adapter sleeve is gas thread hole.
After completing for ease of injection moulding, drive end bearing bracket is separated with plastics in tube gap with shunting body, and for injection moulding is ready next time, described drive end bearing bracket and shunting body are also provided with multiple heating jacket separately on a side wall surface of tube gap.
The present invention has following beneficial effect:
1, in prior art, the many employings of shunting body are coniform, in the present invention, shunting body is the shape setting of semielliptical, make plastic liquid through the tube gap required time of shunting body surrounding short and on the cross section of tube gap each point flow velocity comparatively even, the degree that such plastic liquid occurs to decompose in the process of shunting is low and by the uniform flow of each point on tube gap cross section in the unit interval, like this under the prerequisite reducing shunting body volume and weight, be conducive to the quality of the plastic tube of follow-up formation.
2, the shunting body support arranged is for limiting the position in the hole axially arranged of shunting body at drive end bearing bracket and rear end cap: shunting body is fixed on core rod, in the process of core temperature change, because the shunting body be on core rod free end that expands with heat and contract with cold of core rod will inevitably produce displacement, and by arrange shunting body and inner core on intermeshing groove and projection, realize fixing relative to drive end bearing bracket or rear end cap position of shunting body, reach and stop shunting body to occur with the core rod situation of change in location in above described holes of expanding with heat and contract with cold, be convenient to like this keep shunting body to be positioned at the central authorities in described hole all the time, reach the object of the happy and harmonious plastics of uniform distribution, be beneficial to product quality of the present invention.
3, the demoulding seat arranged is for improving demoulding efficiency of the present invention: after completing plastic tube injection moulding, by discharging the connection of drive end bearing bracket and rear end cap, end cap and rear end cap apply tension and can realize shunting body support and drive end bearing bracket forward, or shunting body support is separated with rear end cap, the plastics be simultaneously in tube gap will rupture near above two positions, but the maximum gauge of shunting body is large compared with core rod diameter in prior art, the front end of pipe that will inevitably be formed in injection moulding of smoothly transitting like this for realizing tube gap form one and expand end, the demoulding seat of above version, be convenient to the connection by removing demoulding seat and core rod, realize core rod to be extracted out by one end any in the two ends of the plastic tube formed, reach the object improving injection moulding efficiency of the present invention.
4, the heating jacket arranged is used for heating outside in the tubing of tube gap internal shaping, so that the maintenance of outside plastics molten condition when the demoulding in tubing, further make the temperature in outside in tubing consistent by heating jacket, to reduce the size of the shear stress of rear end cap and core rod in tubing and the present invention in knockout course, be convenient to the demoulding, promote demoulding quality, ensure the stability of pipe fitting quality of item of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of injection moulding apparatus of the present invention specific embodiment;
Fig. 2 is the structural representation of a kind of injection moulding apparatus shunting body support of the present invention specific embodiment.
Figure acceptance of the bid note is respectively: 1, drive end bearing bracket, and 2, shunting body support, 21, connect outer shroud, 22, dowel, 23, inner core, 3, demoulding seat, 4, rear end cap, 5, core rod, 6, connecting screw rod, 7, tube gap, 8, shunting body, 9, adapter sleeve, 10, heating jacket.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of injection moulding apparatus, comprise the drive end bearing bracket 1 and rear end cap 4 that are fixedly connected with in the form of removably connecting, described drive end bearing bracket 1 and rear end cap 4 be axially provided with hole, mold core body is provided with in described hole, described mold core body and the tube gap 7 be provided with between drive end bearing bracket 1 and rear end cap 4 for tube forming, described mold core body comprises shunting body 8 and core rod 5, described shunting body 8 is fixed on the end of core rod 5 near tube gap 7 entrance one end, and shunting body 8 and core rod 5 are releasable connection, shunting body support 2 is also clamped with between described drive end bearing bracket 1 and rear end cap 4, described shunting body support 2 comprises outer shroud 21, inner core 23 and the dowel 22 being connected outer shroud 21 and inner core 23, connect outer shroud 21 and form with between inner core 23 passage being communicated with its both sides tube gap 7, inner core 23 be axially provided with limited impression or spacing preiection, shunting body 8 is provided with the projection or groove that coordinate with limited impression or spacing preiection, and shunting body 8 is in semielliptical shape, described tube gap 7 is streamlined, demoulding seat 3 is also provided with between described shunting body support 2 and rear end cap 4, described demoulding seat 3 is the reducing shaft-like diminished to other end diameter from a section, and the less one end of demoulding seat 3 diameter with core rod 5 for be detachably fixedly connected with form, one end external diameter that demoulding seat 3 is connected with core rod 5 is equal with core rod 5 external diameter, and described rear end cap 4 and core rod 5 are provided with multiple heating jacket 10 separately on the wall of tube gap 7 side.
In the present embodiment, the drive end bearing bracket 1 arranged is fixedly connected with by multiple connecting bolt uniform in the form of a ring each other with rear end cap 4, for even product quality of the present invention and manufacture of the present invention, the surface roughness of described tube gap 7 is Ra0.4, described shunting body 8, shunting body support 2, demoulding seat 3, core rod 5 is stainless steel, described demoulding seat 3 and core rod 5 are for being threaded, and demoulding seat 3 is also provided with relative to the other end of itself and core rod 5 link the bayonet socket established for spanner card, so that demoulding seat 3 is installed or is separated on core rod 5, in the present embodiment, heating jacket 10 is the resistance wire of connecting with thermocouple, resistance wire work whether control is realized by the temperature sense of thermocouple to rear end cap 4 and core rod 5, the temperature realizing rear end cap 4 and core rod 5 fluctuates in the scope that setting value is less.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, for ease of described core rod 5 and shunting body 8 connection be separated, be beneficial to operating efficiency of the present invention, described core rod 5 is also fixed with the connecting screw rod 6 of axis axis collinear with it near one end of tube gap 7 arrival end, described connecting screw rod 6 and shunting body 8 are threaded and realize shunting body 8 and be fixedly connected with core rod 5.Further, the ability that alternate load produces plastic deformation is resisted for strengthening screw thread on connecting screw rod 6, reach the object extending connecting screw rod 6 service life, described connecting screw rod 6 is high temperature bolt, in the present embodiment, the threaded rod of described high temperature bolt to be material be 35CrMo, in the present embodiment, demoulding seat 3 and core rod 5 are also fixedly connected with by the screw thread be arranged on connecting screw rod 6.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, and as depicted in figs. 1 and 2, be the distribution of plastic liquid in even tube gap 7, described dowel 22 is multiple, and each dowel 22 is uniform in the form of a ring each other.
For the uniformity of further uniform plastic's fluid fluid flowing on tube gap 7 cross section after dowel 22, the side of described dowel 22 is streamlined arcwall face.
Embodiment 4:
The present embodiment is further qualified on the basis of above embodiment, as depicted in figs. 1 and 2, for ease of the connection of the present invention and front end extruder, described drive end bearing bracket 1 is also provided with the adapter sleeve 9 around the distribution of tube gap 7 entrance, described adapter sleeve 9 is for being arranged on the internal thread hole on tube gap 7 entrance inwall or the protrusion of the external screw thread ring-type outside tube gap 7 entrance.In the present embodiment, can effect for ease of the secret of manufacture of the present invention and the present invention and headend equipment, preferred described adapter sleeve 9 is gas thread hole.
After completing for ease of injection moulding, drive end bearing bracket 1 is separated with plastics in tube gap 7 with shunting body 8, and for injection moulding is ready next time, described drive end bearing bracket 1 and shunting body 8 are also provided with multiple heating jacket 10 separately on a side wall surface of tube gap 7.
Above content is the further description done the present invention in conjunction with concrete preferred embodiment, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.

Claims (6)

1. an injection moulding apparatus, comprise the drive end bearing bracket (1) and rear end cap (4) that are fixedly connected with in the form of removably connecting, described drive end bearing bracket (1) and rear end cap (4) be axially provided with hole, mold core body is provided with in described hole, described mold core body and the tube gap (7) be provided with between drive end bearing bracket (1) and rear end cap (4) for tube forming, it is characterized in that, described mold core body comprises shunting body (8) and core rod (5), described shunting body (8) is fixed on the end of core rod (5) near tube gap (7) entrance one end, and shunting body (8) and core rod (5) are releasable connection, shunting body support (2) is also clamped with between described drive end bearing bracket (1) and rear end cap (4), described shunting body support (2) comprises outer shroud (21), inner core (23) and the dowel (22) being connected outer shroud (21) and inner core (23), connect outer shroud (21) and form with between inner core (23) passage being communicated with its both sides tube gap (7), inner core (23) be axially provided with limited impression or spacing preiection, shunting body (8) is provided with the projection coordinated with limited impression or spacing preiection or groove, and shunting body (8) is in semielliptical shape, described tube gap (7) is for streamlined, demoulding seat (3) is also provided with between described shunting body support (2) and rear end cap (4), described demoulding seat (3) is the reducing shaft-like diminished to other end diameter from a section, and the less one end of demoulding seat (3) diameter with core rod (5) for be detachably fixedly connected with form, one end external diameter that demoulding seat (3) is connected with core rod (5) is equal with core rod (5) external diameter, and described rear end cap (4) and core rod (5) are provided with multiple heating jacket (10) separately on the wall of tube gap (7) side.
2. a kind of injection moulding apparatus according to claim 1, it is characterized in that, described core rod (5) is also fixed with the connecting screw rod (6) of axis axis collinear with it near one end of tube gap (7) arrival end, described connecting screw rod (6) and shunting body (8) are threaded and realize shunting body (8) and be fixedly connected with core rod (5).
3. a kind of injection moulding apparatus according to claim 1, is characterized in that, described dowel (22) is for multiple, and each dowel (22) is uniform in the form of a ring each other.
4. a kind of injection moulding apparatus according to claim 1, is characterized in that, the side of described dowel (22) is streamlined arcwall face.
5. according to a kind of injection moulding apparatus in Claims 1-4 described in any one, it is characterized in that, described drive end bearing bracket (1) is also provided with the adapter sleeve (9) around the distribution of tube gap (7) entrance, described adapter sleeve (9) is for being arranged on the internal thread hole on tube gap (7) entrance inwall or the protrusion of the external screw thread ring-type outside tube gap (7) entrance.
6. according to a kind of injection moulding apparatus in Claims 1-4 described in any one, it is characterized in that, described drive end bearing bracket (1) and shunting body (8) are also provided with multiple heating jacket (10) separately on a side wall surface of tube gap (7).
CN201410481532.1A 2014-09-21 2014-09-21 Injection molding device Pending CN104290275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410481532.1A CN104290275A (en) 2014-09-21 2014-09-21 Injection molding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410481532.1A CN104290275A (en) 2014-09-21 2014-09-21 Injection molding device

Publications (1)

Publication Number Publication Date
CN104290275A true CN104290275A (en) 2015-01-21

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Application Number Title Priority Date Filing Date
CN201410481532.1A Pending CN104290275A (en) 2014-09-21 2014-09-21 Injection molding device

Country Status (1)

Country Link
CN (1) CN104290275A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2550163Y (en) * 2002-06-02 2003-05-14 葛建忠 Extruding mould for plastic pipe with male thread screw rib on inner wall
CN202037849U (en) * 2011-04-21 2011-11-16 浙江康润机械科技有限公司 Novel mold special for acrylonitrile butadiene styrene (ABS) pipes
CN102275287A (en) * 2011-07-15 2011-12-14 永高股份有限公司 High-speed CPVC (chlorinated polyvinyl chloride) pipe extrusion mould
CN203046203U (en) * 2012-12-31 2013-07-10 苏州金纬机械制造有限公司 Solid-wall tube mould and distributing bracket thereof
CN203236689U (en) * 2013-04-27 2013-10-16 永高股份有限公司 Chlorinated polyvinyl chloride (CPVC) pipe extruding mould
CN204160703U (en) * 2014-09-21 2015-02-18 成都众山科技有限公司 A kind of injecting mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2550163Y (en) * 2002-06-02 2003-05-14 葛建忠 Extruding mould for plastic pipe with male thread screw rib on inner wall
CN202037849U (en) * 2011-04-21 2011-11-16 浙江康润机械科技有限公司 Novel mold special for acrylonitrile butadiene styrene (ABS) pipes
CN102275287A (en) * 2011-07-15 2011-12-14 永高股份有限公司 High-speed CPVC (chlorinated polyvinyl chloride) pipe extrusion mould
CN203046203U (en) * 2012-12-31 2013-07-10 苏州金纬机械制造有限公司 Solid-wall tube mould and distributing bracket thereof
CN203236689U (en) * 2013-04-27 2013-10-16 永高股份有限公司 Chlorinated polyvinyl chloride (CPVC) pipe extruding mould
CN204160703U (en) * 2014-09-21 2015-02-18 成都众山科技有限公司 A kind of injecting mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
宗大全等: "PVC-U管材模具设计与改进", 《工程塑料应用》 *

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Application publication date: 20150121