CN106626319A - Multi-hole plate for tubing extruding machine - Google Patents

Multi-hole plate for tubing extruding machine Download PDF

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Publication number
CN106626319A
CN106626319A CN201710068905.6A CN201710068905A CN106626319A CN 106626319 A CN106626319 A CN 106626319A CN 201710068905 A CN201710068905 A CN 201710068905A CN 106626319 A CN106626319 A CN 106626319A
Authority
CN
China
Prior art keywords
porous plate
cushion chamber
hole plate
tubing
face
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
CN201710068905.6A
Other languages
Chinese (zh)
Inventor
邱来华
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.)
Taizhou Unblocked Pipe Industry Co Ltd
Original Assignee
Taizhou Unblocked Pipe Industry 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 Taizhou Unblocked Pipe Industry Co Ltd filed Critical Taizhou Unblocked Pipe Industry Co Ltd
Priority to CN201710068905.6A priority Critical patent/CN106626319A/en
Publication of CN106626319A publication Critical patent/CN106626319A/en
Pending legal-status Critical Current

Links

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
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/802Heating
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/695Flow dividers, e.g. breaker plates
    • B29C48/70Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • B29L2023/22Tubes or pipes, i.e. rigid

Landscapes

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

Abstract

The invention provides a multi-hole plate for a tubing extruding machine. The multi-hole plate for the tubing extruding machine is provided with a left end face and a right end face which are parallel to each other. A buffer cavity is arranged in the multi-hole plate. The right end face of the multi-hole plate is provided with a plurality of feeding holes. The feeding holes communicate with the buffer cavity. The left end face of the multi-hole plate is provided with a plurality of discharging holes. The discharging holes communicate with the buffer cavity. The axial positions of the discharging holes and the axial positions of the feeding holes are mutually staggered. Through the improvement on the multi-hole plate, the flow speeds of plastic fluid tend to be identical, it is guaranteed that the tubing wall thicknesses are identical during deformation, the tubing manufactured through the forming machine head is high in strength and uniform in wall thickness, and the service life of the tubing is greatly prolonged.

Description

A kind of pipe extruder porous plate
Technical field
The present invention relates to extrusion die field, more particularly to a kind of pipe extruder porous plate.
Background technology
Extrusion molding is referred to as extruded, and it is the important manufacturing process for continuously producing plastic products, it be through porous plate and Current divider, if being split device is divided into carried interest, then converges again, finally enters the circular passage formed by plug and mouth mold, extrusion Continuous tubing.
However, in existing extrusion molding, the plastic liquid flow velocity through porous plate after current divider is different, finally results in Made by pipe density unevenness and pipe thickness is inconsistent, the intensity of tubing is relatively low.
The content of the invention
The technical problem to be solved in the present invention is:Existing tubing is inconsistent due to pipe thickness, and Pipes Density is uneven, this It is bright to be solved the above problems with porous plate there is provided a kind of pipe extruder.
The technical solution adopted for the present invention to solve the technical problems is:A kind of pipe extruder porous plate is described more Orifice plate has the left side and right side being parallel to each other, and cushion chamber is provided with the porous plate, on the right side of the porous plate Several charging holes are provided with, the charging hole is connected with cushion chamber;The left side of the porous plate is provided with several discharge openings, The discharge opening is connected with cushion chamber;The axial location of the axial location of several discharge openings and several charging holes Mutually stagger.
Further:Heater strip is provided with the porous plate.
Further:In the region at nearly porous plate center, the charging hole and the sparse arrangement of the discharge opening;Away from many The region of aperture plate center, the charging hole and the discharge opening are closely arranged.
Further:The left side distance of the left side wall of the cushion chamber to the porous plate, the right side of the cushion chamber The right side wall of the right side distance of wall to the porous plate and the left side wall to cushion chamber of the cushion chamber is apart from all same.
The invention has the beneficial effects as follows, a kind of pipe extruder porous plate of the invention is caused by the improvement to porous plate The flow velocity of plastic liquid reaches unanimity, and ensure that pipe thickness is consistent during shaping, tubing intensity made by this former compared with Height, pipe thickness uniformity substantially prolongs the service life of tubing.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is a kind of structural representation of pipe extruder porous plate of the invention;
Fig. 2 is a kind of left views of pipe extruder porous plate of Fig. 1.
1, porous plate in figure, 2, cushion chamber, 3, charging hole, 4, discharge opening, 5, heater strip.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.Conversely, this Inventive embodiment includes all changes fallen in the range of the spirit and intension of attached claims, modification and is equal to Thing.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial direction ", The orientation or position relationship of the instructions such as " radial direction ", " circumference " is based on orientation shown in the drawings or position relationship, merely to just In description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation, with Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important Property.In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " is answered It is interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or is integrally connected;Can be that machinery connects Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is common for this area For technical staff, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.Additionally, in description of the invention In, unless otherwise stated, " multiple " are meant that two or more.
In flow chart or here any process described otherwise above or method description are construed as, expression includes It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention Embodiment person of ordinary skill in the field understood.
As shown in figure 1, the invention provides a kind of pipe extruder porous plate, the porous plate 1 has and is parallel to each other Left side and right side, be provided with cushion chamber 2 in the porous plate 1, the right side of the porous plate 1 is provided with several chargings Hole 3, the charging hole 3 is connected with cushion chamber 2;The left side of the porous plate 1 is provided with several discharge openings 4, the discharging Hole 4 is connected with cushion chamber 2;The axial location of the axial location of several discharge openings 4 and several charging holes 3 is mutual Stagger.
Porous plate 1 is installed in the outlet of extruser, and the plastic liquid of fluidised form passes through porous after Screw Extrusion Plate 1, is then flowed into again on the positions such as current divider, and porous plate 1 can carry out rectification to plastic liquid.The plastic liquid of fluidised form by Charging hole 3 is flowed in cushion chamber 2, and, through first step rectification, plastic liquid streamline is for plastic liquid when charging hole 3 Tend to the state of laminar flow, the flow velocity on each streamline reaches unanimity, buffer through cushion chamber 2, will thoroughly eliminate spiral squeezing it Afterwards the spiral of plastic liquid flows to and improves the state of turbulent flow in plastic liquid.
When cushion chamber 2 buffer after, plastic liquid flow on the left of discharge opening 4 and flowed out by left side discharge opening 4, Jin Erke With in current divider.Entered the further rectification of discharge opening 4, plastic liquid flow velocity slows down, and laminar flow increases, each position Flow velocity is basically identical.By such rectification, plastic liquid density and thickness of each point in subsequent handling can keep one Directly, it is possible to obtain the consistent finished product tubing of wall thickness.
Heater strip 5 is provided with the porous plate 1, heater strip 5 can be heated to porous plate 1, and plastics are effectively ensured The temperature of fluid, prevents from causing plastic liquid inside viscosity to become big because temperature drop, flow velocity slow down etc., what through-current capability declined Situation.
As shown in Fig. 2 in the region at the center of nearly porous plate 1, the charging hole 3 and the sparse arrangement of the discharge opening 4;Remote From the region at the center of porous plate 1, the charging hole 3 and the discharge opening 4 are closely arranged.In the region near the center of porous plate 1, The flow velocity of plastic liquid is higher, therefore can reduce charging hole 3 and the quantity of discharge opening 4, sparse arrangement;Away from porous plate 1 The region of the heart, the flow velocity of plastic liquid is relatively low, therefore can increase charging hole 3 and the quantity of discharge opening 4, closely arrangement;Do so Through-flow ability can be adjusted so that die down by the through-current capability of the central area of porous plate 1, hence it is evident that lower passing through for unit interval Amount, becomes strong, hence it is evident that increase the throughput of unit interval away from the through-current capability of the central area of porous plate 1, intentionally will be along plastics stream The flow velocity adjustment of each position in body cross-sectional direction is close to.
Left side distance, the right side wall of the cushion chamber 2 of the left side wall of the cushion chamber 2 to the porous plate 1 is to institute The right side wall of the right side distance of porous plate 1 and the left side wall of the cushion chamber 2 to cushion chamber 2 is stated apart from all same.It is such Distance is arranged and can ensure that the flow regime for being effectively improved plastic liquid, and can prevent the long plastic liquid for causing of runner Viscosity increases, it is to avoid blocking runner.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of the term not Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any One or more embodiments or example in combine in an appropriate manner.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (4)

1. a kind of pipe extruder porous plate, it is characterised in that:The porous plate(1)With the left side and the right side that are parallel to each other End face, the porous plate(1)In be provided with cushion chamber(2), the porous plate(1)Right side be provided with several charging holes(3), The charging hole(3)With cushion chamber(2)Connect;The porous plate(1)Left side be provided with several discharge openings(4), it is described Discharge opening(4)With cushion chamber(2)Connect;Several described discharge openings(4)Axial location and several described charging holes(3)'s Axial location mutually staggers.
2. a kind of pipe extruder porous plate as claimed in claim 1, it is characterised in that:The porous plate(1)Interior setting There is heater strip(5).
3. a kind of pipe extruder porous plate as claimed in claim 1, it is characterised in that:In nearly porous plate(1)Center Region, the charging hole(3)With the discharge opening(4)Sparse arrangement;Away from porous plate(1)The region at center, the charging Hole(3)With the discharge opening(4)Closely arrangement.
4. a kind of pipe extruder porous plate as claimed in claim 1, it is characterised in that:The cushion chamber(2)Left side Wall is to the porous plate(1)Left side distance, the cushion chamber(2)Right side wall to the porous plate(1)Right side away from From with the cushion chamber(2)Left side wall to cushion chamber(2)Right side wall apart from all same.
CN201710068905.6A 2017-02-08 2017-02-08 Multi-hole plate for tubing extruding machine Pending CN106626319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710068905.6A CN106626319A (en) 2017-02-08 2017-02-08 Multi-hole plate for tubing extruding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710068905.6A CN106626319A (en) 2017-02-08 2017-02-08 Multi-hole plate for tubing extruding machine

Publications (1)

Publication Number Publication Date
CN106626319A true CN106626319A (en) 2017-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710068905.6A Pending CN106626319A (en) 2017-02-08 2017-02-08 Multi-hole plate for tubing extruding machine

Country Status (1)

Country Link
CN (1) CN106626319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111971157A (en) * 2018-04-16 2020-11-20 克劳斯马菲挤塑有限公司 Extrusion device with at least one perforated plate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792839A (en) * 1971-08-23 1974-02-19 Polysar Ltd Device for the injection of fluid foaming agents into plasticized polymeric material
JPS54130667A (en) * 1978-03-31 1979-10-11 Matsushita Electric Works Ltd Breaker plate of extruder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792839A (en) * 1971-08-23 1974-02-19 Polysar Ltd Device for the injection of fluid foaming agents into plasticized polymeric material
JPS54130667A (en) * 1978-03-31 1979-10-11 Matsushita Electric Works Ltd Breaker plate of extruder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王加龙: "《热塑性塑料挤出生产技术》", 31 August 2003 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111971157A (en) * 2018-04-16 2020-11-20 克劳斯马菲挤塑有限公司 Extrusion device with at least one perforated plate

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Application publication date: 20170510