CN106626310B - Protection mold and tubing coating equipment for tubing coating equipment - Google Patents

Protection mold and tubing coating equipment for tubing coating equipment Download PDF

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Publication number
CN106626310B
CN106626310B CN201611180874.5A CN201611180874A CN106626310B CN 106626310 B CN106626310 B CN 106626310B CN 201611180874 A CN201611180874 A CN 201611180874A CN 106626310 B CN106626310 B CN 106626310B
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China
Prior art keywords
pipe
hole
coating equipment
groove
tubing coating
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.)
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Application number
CN201611180874.5A
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Chinese (zh)
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CN106626310A (en
Inventor
杜素果
王振江
杨志强
岳步平
张颖
于发
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.)
Hebei Chinaust Automotive Plastics Co Ltd
Original Assignee
Hebei Chinaust Automotive Plastics 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.)
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Publication date
Application filed by Hebei Chinaust Automotive Plastics Co Ltd filed Critical Hebei Chinaust Automotive Plastics Co Ltd
Priority to CN201611180874.5A priority Critical patent/CN106626310B/en
Publication of CN106626310A publication Critical patent/CN106626310A/en
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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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151Coating hollow 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

The present invention relates to a kind of protection molds and tubing coating equipment for tubing coating equipment; it include wherein die ontology for the protection mold of tubing coating equipment; die ontology is equipped with the through-hole for wearing pipe; the wall surface of through-hole is equipped with multiple grooves; the extending direction of groove is parallel with the direction of motion of the pipe in through-hole, the obstruction moved in through-hole with the wall surface for reducing through-hole by groove to pipe.The present invention is by being arranged groove on through-hole wall surface; when pipe moves in through-hole; the obstruction that through-hole wall faces pipe can be reduced by the groove; since manufacturing issue is when there is protrusion on tube outer wall; if not setting groove; the protrusion may prevent pipe from continuing to move; the coating on the outside of mold, which is arranged in, also can generate cladding string skin phenomenon; material is therefore the pipe of litzendraht wire or outer wall equipped with litzendraht wire also can cause the problems such as hanging up; and the generation of these problems can then be reduced later by being provided with groove, be played a very good protection.

Description

Protection mold and tubing coating equipment for tubing coating equipment
Technical field
The present invention relates to pipeline coating technology field more particularly to a kind of protection molds and pipe for tubing coating equipment Material coating equipment.
Background technique
Currently, coat pipe-type product for squeezing out, common die employed in extrusion process, be generally provided only with The roughly the same inner hole of tube outer diameter.But in process of production, it often will cause production since the matching of mold hole size is improper The problems such as product scratch, is eccentric, cladding string skin, litzendraht wire are hung up, causes large effect to subsequent use, and since product is wanted It asks and processing technology can not be changed, therefore need to design a kind of suitable mold.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase to totality of the invention The understanding of background, and be not construed as recognizing or imply in any form the information constitute by those skilled in the art public affairs The prior art known.
Summary of the invention
The purpose of the present invention is to propose to a kind of protection molds and tubing coating equipment for tubing coating equipment, to the greatest extent may be used The problems such as avoiding to energy product scuffing, cladding string skin and litzendraht wire from hanging up.
To achieve the above object, the present invention provides a kind of protection molds for tubing coating equipment, including mold sheet Body, the die ontology are equipped with the through-hole for wearing pipe, and the wall surface of the through-hole is equipped with multiple grooves, and the groove prolongs Stretch that direction is parallel with the direction of motion of the pipe in the through-hole, to reduce the wall surface pair of the through-hole by the groove The obstruction that the pipe moves in the through-hole.
Further, multiple groove intervals are arranged, and protrusion is formed between the two neighboring groove, multiple described convex The vertex risen is concyclic.
Further, gap is equipped between the vertex of multiple protrusions and the outer wall of the pipe.
Further, multiple groove intervals are arranged, and protrusion is formed between the two neighboring groove, the protrusion Section semicircular in shape shape.
Further, the center of circle of multiple protrusions is concyclic.
Further, multiple grooves are evenly arranged.
Further, the section of the die ontology along its length is conical by its shape.
Further, the through-hole includes equal diameter section and variable diameters section, and the groove is set to the equal diameter section, institute It states variable diameters section to become larger along the orient diameter far from the equal diameter section, the variable diameters section is for keeping in the pipe.
Further, the groove extends along the length direction of the die ontology, and runs through the equal diameter section.
To achieve the above object, the present invention also provides a kind of tubing coating equipments, coat including above-mentioned for tubing The protection mold of equipment.
Based on the above-mentioned technical proposal, the present invention, can when pipe moves in through-hole by the way that groove is arranged on through-hole wall surface To reduce the obstruction that through-hole wall faces pipe by the groove, specifically, since manufacturing issue is when there is protrusion on tube outer wall, If not setting groove, which may prevent pipe from continuing to move, and the coating on the outside of mold, which is arranged in, also can generate cladding string Skin phenomenon, material are that therefore the pipe of litzendraht wire or outer wall equipped with litzendraht wire also can cause the problems such as hanging up, and be arranged The generation that these problems can be then reduced after groove, plays a very good protection.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention is used for the sectional view of protection mold one embodiment of tubing coating equipment radially.
Fig. 2 is that the present invention is used for the sectional view of protection mold one embodiment of tubing coating equipment in axial direction.
In figure: 1- die ontology, 2- through-hole, 3- groove, 4- protrusion, 5- equal diameter section, 6- variable diameters section, the circle of 7- first, The circle of 8- second.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", " longitudinal direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the scope of the present invention.
It is known that in some specific industries, for example in automobile pipeline system, generally will use fuel pipe, combustion Oily evaporation tube etc., these pipes in use, with jolting for automobile, it may occur that vibration, or with surrounding components, car body etc. There are contact, or contact high ambient temperatures environment, these may damage pipe, influence the performance of pipe, it is therefore desirable to One layer of fusant is coated on the outer wall of pipe enhances the wearability of pipe to protect pipe, improves the service life of pipe.
When coating to pipe, by using a mold, make pipe by the mold, fusant is arranged outside mold Side is wrapped on the outer wall of pipe while pipe is pierced by mold.It, may on outer tube surface due to the limitation of manufacture level There is out-of-flatness slightly, than if any the material of protrusion etc., some pipes braiding may be equipped with for litzendraht wire or tube outer wall Line, these pipes, due to the limitation of inner hole on mold, are likely to result in the scratch of pipe, cladding string skin, compile when passing through mold The problems such as line is hung up is knitted, to influence the performance of pipe.
For this purpose, the present invention proposes a kind of protection mold for tubing coating equipment.In the embodiment shown in fig. 1, The protection mold includes die ontology 1, and die ontology 1 is equipped with the through-hole 2 for wearing pipe, and the wall surface of through-hole 2 is equipped with multiple Groove 3, the extending direction of groove 3 is parallel with the direction of motion of the pipe in through-hole 2, to reduce through-hole 2 by groove 3 The obstruction that wall surface moves pipe in through-hole 2, avoid due to have on tube outer wall protrusion and cause pipe move stagnation or There is the problem of having litzendraht wire on cladding string skin problem or pipe and litzendraht wire is caused to hang up.
By the way that groove 3 is arranged on 2 wall surface of through-hole, when pipe moves in through-hole 2, can be reduced by the groove 3 logical 2 wall surface of hole is to the obstruction of pipe, and specifically, since manufacturing issue is when there is protrusion on tube outer wall, if not setting groove 3, this is convex Rising may prevent pipe from continuing to move, and the coating on the outside of mold, which is arranged in, also can generate cladding string skin phenomenon, and material is to compile Therefore knitting the pipe of line or outer wall equipped with litzendraht wire also can cause the problems such as hanging up, and be provided with groove 3 and then may be used later To reduce the generation of these problems, play a very good protection.
Wherein, multiple grooves 3 can be evenly arranged, so as to protrusion and the litzendraht wire etc. for better adapting to tube surface.
Further, multiple intervals of groove 3 are arranged, and protrusion 4, multiple raised 4 vertex are formed between two neighboring groove 3 It is concyclic.As shown in Figure 1, first circle 7 be multiple raised 4 vertex jointly circle, the vertex of these protrusions 4 is concyclic, has Conducive to the movable scope limitation that will be threaded through pipe in through-hole 2 in controlled range, it is also beneficial to the position of guarantee pipe not Deflection avoids pipe from eccentricity issues occur.
Wherein, the diameter of circle where multiple raised 4 vertex (the i.e. first circle 7) and the outer diameter of pipe match, such as the One circle 7 diameter can roughly same outer diameter with pipe;It can also be equipped between multiple raised 4 vertex and the outer wall of pipe The diameter in gap, i.e., the first circle 7 can be more somewhat larger than the outer diameter of pipe, guarantees that pipe can pass through through-hole 2, can be with Effective positioning action is played to pipe;It is equipped with certain gap between pipe and each raised 4 vertex, pipe can also be protected The attachment of outer wall, or smear etc. can be set on 2 wall surface of through-hole.
In a preferred embodiment of the present invention for the protection mold of tubing coating equipment, each raised 4 section Semicircular in shape shape.
Further, multiple raised 4 centers of circle are concyclic.As shown in Figure 1, the second circle 8 is that each raised 4 center of circle is total to With circle, i.e., each raised 4 center of circle be linked to be second circle 8, in this way setting can for protection mold production provide it is certain Standard.
As shown in Fig. 2, the section of die ontology 1 along its length is conical by its shape, wherein length direction is axial direction side To.
Further, through-hole 2 includes equal diameter section 5 and variable diameters section 6, and groove 3 is set to equal diameter section 5, equal diameter section 5 The movement of pipe can be made to move along a straight line, convenient for the coating of fusant;Variable diameters section 6 is straight along the direction far from equal diameter section 5 Diameter becomes larger, and for variable diameters section 6 for keeping in pipe, the through-hole diameter of variable diameters section 6 is bigger than pipe diameter, therefore protects being pierced by It protects before mold, pipe can be kept in herein.
It for groove 3, can extend along the length direction of die ontology 1, and run through equal diameter section 5.
Based on the above-mentioned protection mold for tubing coating equipment, the present invention also proposes a kind of tubing coating equipment, should Tubing coating equipment includes the above-mentioned protection mold for tubing coating equipment.It is coated in above-mentioned each embodiment for tubing The good effect that the protection mold of equipment has is equally applicable to tubing coating equipment, and which is not described herein again.
Pass through saying for multiple embodiments to the protection mold and tubing coating equipment of the invention for tubing coating equipment It is bright, it can be seen that in protection mold and tubing coating equipment embodiment of the present invention for tubing coating equipment, die ontology The through-hole wall surface of upper setting is equipped with groove and protrusion, compared with the prior art in smooth inner bore, protrusions of the present invention can be with The position of effective position pipe, groove can be effectively improved pipe because preventing quantity-produced state caused by surface bulge, prevent Only pipe scratches or litzendraht wire is hung up, and can make vacuum useful effect on pipe, keeps ectonexine cladding compact, does not go here and there skin.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (8)

1. a kind of tubing coating equipment, which is characterized in that including die ontology (1) and fusant output device, the mold sheet Body (1) is equipped with the through-hole (2) for wearing pipe, and the fusant output device is arranged in the outside of the die ontology (1), The fusant output device is for exporting fusant to be coated on the pipe when the pipe is pierced by the die ontology (1) On the outer wall of son, the wall surface of the through-hole (2) is equipped with multiple grooves (3), and the extending direction and the pipe of the groove (3) exist The direction of motion in the through-hole (2) is parallel, to reduce the wall surface of the through-hole (2) by the groove (3) to the pipe The obstruction moved in the through-hole (2).
2. tubing coating equipment according to claim 1, which is characterized in that multiple groove (3) interval settings, it is adjacent It is formed between two grooves (3) raised (4), the vertex of multiple raised (4) is concyclic.
3. tubing coating equipment according to claim 2, which is characterized in that the vertex of multiple raised (4) with it is described Gap is equipped between the outer wall of pipe.
4. tubing coating equipment according to claim 1, which is characterized in that multiple groove (3) interval settings, it is adjacent It is formed between two grooves (3) raised (4), the section semicircular in shape shape of the protrusion (4).
5. tubing coating equipment according to claim 4, which is characterized in that the center of circle of multiple raised (4) is concyclic.
6. tubing coating equipment according to claim 1, which is characterized in that multiple grooves (3) are evenly arranged.
7. tubing coating equipment according to claim 1, which is characterized in that the die ontology (1) is along its length Section is conical by its shape.
8. tubing coating equipment according to claim 1, which is characterized in that the through-hole (2) include equal diameter section (5) and Variable diameters section (6), the groove (3) are set to the equal diameter section (5), and the variable diameters section (6) is along far from the equal diameter The orient diameter of section (5) becomes larger, and the variable diameters section (6) is for keeping in the pipe.
CN201611180874.5A 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment Active CN106626310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611180874.5A CN106626310B (en) 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611180874.5A CN106626310B (en) 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment

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Publication Number Publication Date
CN106626310A CN106626310A (en) 2017-05-10
CN106626310B true CN106626310B (en) 2019-08-09

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944641A (en) * 1961-10-02 1976-03-16 Lemelson Jerome H Process of forming an irregular surface on the inside of a tube or pipe
CN101143373A (en) * 2007-09-18 2008-03-19 连华平 Composite stainless steel pipe coating mould
CN202147376U (en) * 2011-07-25 2012-02-22 宁波康润机械科技有限公司 Completely-coated pipe production die
CN203421415U (en) * 2013-08-14 2014-02-05 朱莉 Anti-sticking contracting casing pipe for pipeline
CN103574278A (en) * 2013-10-31 2014-02-12 昆山市大久电子有限公司 Casing pipe for protecting automobile parts
CN204922255U (en) * 2015-09-14 2015-12-30 杭州富阳高博信息技术服务有限公司 Overpressure resistant PVC threading pipe
CN205080294U (en) * 2015-10-14 2016-03-09 浙江邦德管业有限公司 Profile of tooth silicon core pipe
CN206297126U (en) * 2016-12-20 2017-07-04 河北亚大汽车塑料制品有限公司 For the protection mould and tubing coating equipment of tubing coating equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078717A (en) * 1983-10-05 1985-05-04 Dainichi Nippon Cables Ltd Die for pipe in which wire substance is laid

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944641A (en) * 1961-10-02 1976-03-16 Lemelson Jerome H Process of forming an irregular surface on the inside of a tube or pipe
CN101143373A (en) * 2007-09-18 2008-03-19 连华平 Composite stainless steel pipe coating mould
CN202147376U (en) * 2011-07-25 2012-02-22 宁波康润机械科技有限公司 Completely-coated pipe production die
CN203421415U (en) * 2013-08-14 2014-02-05 朱莉 Anti-sticking contracting casing pipe for pipeline
CN103574278A (en) * 2013-10-31 2014-02-12 昆山市大久电子有限公司 Casing pipe for protecting automobile parts
CN204922255U (en) * 2015-09-14 2015-12-30 杭州富阳高博信息技术服务有限公司 Overpressure resistant PVC threading pipe
CN205080294U (en) * 2015-10-14 2016-03-09 浙江邦德管业有限公司 Profile of tooth silicon core pipe
CN206297126U (en) * 2016-12-20 2017-07-04 河北亚大汽车塑料制品有限公司 For the protection mould and tubing coating equipment of tubing coating equipment

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