CN112339240A - Gradient screw extrusion mechanism - Google Patents

Gradient screw extrusion mechanism Download PDF

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Publication number
CN112339240A
CN112339240A CN202010932550.2A CN202010932550A CN112339240A CN 112339240 A CN112339240 A CN 112339240A CN 202010932550 A CN202010932550 A CN 202010932550A CN 112339240 A CN112339240 A CN 112339240A
Authority
CN
China
Prior art keywords
stirring
section
processing
hopper
screw extrusion
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
CN202010932550.2A
Other languages
Chinese (zh)
Inventor
赖建中
邱士扬
张成芹
周捷航
谭诚
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.)
Nanjing Gouchunni Intelligent Technology Co ltd
Original Assignee
Nanjing Gouchunni Intelligent 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 Nanjing Gouchunni Intelligent Technology Co ltd filed Critical Nanjing Gouchunni Intelligent Technology Co ltd
Priority to CN202010932550.2A priority Critical patent/CN112339240A/en
Publication of CN112339240A publication Critical patent/CN112339240A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/02—Conditioning the material prior to shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
    • B28B3/222—Screw or worm constructions
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention provides a gradient screw extrusion mechanism, which relates to the field of processing equipment and comprises the following components: the feeding portion, the processing portion of setting in the feeding portion below, the power portion of being connected is in the removal portion of setting in processing portion below and with the processing portion, the feeding portion includes the hopper, set up the feed bin door bottom the hopper and set up the (mixing) shaft at the hopper middle part, the processing portion includes the processing storehouse, observation window and the charging duct of setting on the processing storehouse lateral wall, the ladder pivot of setting inside the processing storehouse, the ladder pivot includes the first stirring section of following the coaxial setting of material direction of delivery, first extrude the section, section is extruded to second stirring section and second, the circular arc section can cut or stir the material when rotatory along with the ladder pivot, the observation window can show the sectional mixed state of material. The gradient screw extrusion mechanism has a series of functions of premixing raw materials, stirring and extruding output, can be used for conveying large aggregate concrete, and is simple and stable in structure and convenient to operate and maintain.

Description

Gradient screw extrusion mechanism
Technical Field
The invention relates to the field of processing equipment, in particular to a gradient screw extrusion mechanism.
Background
In the link of solid material stirring mixture and transport is carried out in polymer industry or building trade, need agitated vessel and extrusion equipment to mutually support and process into the mixture that can directly use with raw and other materials, but present agitated vessel relies on predetermineeing the ratio and send into the agitator through feed arrangement after with raw and other materials mixture and stir, then shift the material after the stirring to extrusion equipment and carry out final shaping output by extrusion equipment, the more process of processing equipment that relates to is comparatively complicated, consequently, how to provide a simple structure, the equipment that raw materials processing and shaping that is convenient for operate and maintain extruded becomes the technical problem that needs to solve.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art or the related technology, and provides a gradient screw extrusion mechanism which is simple in structure and easy to maintain, and can be operated in an integrated mode of premixing raw materials and stirring output, so that the processing efficiency is improved.
The invention is realized by the following technical scheme: a gradient screw extrusion mechanism comprising: the feeding part is arranged below the feeding part, the moving part is arranged below the processing part, and the power part is connected with the processing part, wherein the feeding part comprises a hopper, a bin door arranged at the bottom of the hopper and a stirring shaft arranged in the middle of the hopper, the bin door is communicated with the feeding part and the processing part, the processing part comprises a processing bin, an observation window and a feeding pipeline which are arranged on the side wall of the processing bin, and a stepped rotating shaft arranged inside the processing bin, the stepped rotating shaft comprises a first stirring section, a first extrusion section, a second stirring section and a second extrusion section which are coaxially arranged along the material conveying direction, the first stirring section is provided with a plurality of stirring plectrums which are fixed on the stepped rotating shaft, the stirring plectrums are arranged along the extending direction of the stepped rotating shaft, the first extrusion section is provided with a worm structure consisting of a plurality of first spiral teeth, the first spiral teeth are used for extruding and conveying materials, the second stirring section is provided with a plurality of arc slices which are arranged in parallel, the circular arc section can cut or stir the material when rotatory along with the ladder pivot, and the observation window can show the sectional mixing state of material, and the section is extruded to the second has the worm structure that multichannel second helical tooth is constituteed, and the radial width of second helical tooth is less than the radial width of first helical tooth, and the axial width between the twice second helical tooth is greater than the axial width between the twice first helical tooth.
According to the above technical solution of the present invention, preferably, the moving part specifically includes: the frame body is fixedly connected with the bracket, the bracket is fixed outside the side wall of the processing bin, and the universal wheel is installed at the bottom of the frame body.
According to the above technical solution of the present invention, preferably, the power unit specifically includes: the stirring shaft comprises a motor, a first gear pair and a second gear pair, wherein the first gear pair is connected with the stepped rotating shaft, the motor is matched with the first gear pair to drive the stepped rotating shaft, the second gear pair is connected with the stirring shaft, and the motor is matched with the second gear pair to drive the stirring shaft.
According to the above technical solution of the present invention, preferably, the hopper is made of hard plastic, and the bin gate has a manual opening and closing structure.
According to the technical scheme of the invention, preferably, the stirring shaft is provided with the stirring assembly, the stirring assembly is detachably connected with the stirring shaft, the stirring assembly is integrally formed by the 3D printer, and the stirring assembly is sleeved with the stirring shaft and is positioned by the bolt. According to the different stirring modes of the different needs of raw and other materials, utilize 3D printing technique can design fast and produce the stirring subassembly that is fit for different raw and other materials, can adjust the design drawing of stirring subassembly at any time and utilize 3D to print and make out new stirring subassembly rapidly according to stirring effect, and quick input production improves stirring effect.
According to the above technical solution of the present invention, preferably, the processing portion further includes a discharging mold disposed at an outlet of the processing bin.
The beneficial effects obtained by the invention at least comprise: the size of each segmented spiral tooth on the stepped rotating shaft is properly adjusted according to the type of raw materials, the spiral teeth can be used for conveying large aggregate concrete, the feeding portion is connected with the processing portion through a bin gate which can be opened and closed, the raw materials directly enter a processing and extruding process after premixing, a first stirring section in the processing portion further stirs and uniformly mixes the premixed materials, the first extruding section further mixes the materials, the materials are preliminarily extruded along with the rotation of the spiral teeth, the materials are cut by an arc slice when passing through a second stirring section, so that the material mixing condition is conveniently checked, the materials processed by the first stirring section and the first extruding section are preliminarily molded, the processing quality is conveniently checked after the sections are cut, and the raw materials or water can be added through a feeding pipeline according to the section condition so as to improve the state of the materials during final molding. The second is extruded the section and is carried out final extrusion to the material and carry, and the material is final to be exported through the discharge gate, can directly use, and whole course of working is accomplished by same equipment, is convenient for arrange and maintain.
Drawings
Fig. 1 shows a schematic structural diagram according to an embodiment of the invention.
In the figure: 1. the automatic feeding device comprises a hopper, a bin gate, a stirring shaft, a processing bin, a viewing window, a feeding pipeline, a stepped rotating shaft, a stirring piece, a first spiral tooth, a circular arc slice, a second spiral tooth, a frame body, a universal wheel, a stirring component, a discharging die and a motor, wherein the bin gate is 2, the stirring shaft is 3, the processing bin is 4, the viewing window is 5, the feeding pipeline is 6, the stepped rotating shaft is 7, the stirring piece is 8, the first spiral tooth is 9, the circular arc slice is 10.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.
As shown in fig. 1, the present invention provides a gradient screw extrusion mechanism, comprising: the feeding part is arranged below the feeding part, the moving part is arranged below the processing part, and the power part is connected with the processing part, wherein the feeding part comprises a hopper 1, a bin door 2 arranged at the bottom of the hopper and a stirring shaft 3 arranged in the middle of the hopper, the bin door is communicated with the feeding part and the processing part, the processing part comprises a processing bin 4, an observation window 5 and a feeding pipeline 6 which are arranged on the side wall of the processing bin, and a stepped rotating shaft 7 arranged inside the processing bin, the stepped rotating shaft comprises a first stirring section, a first extrusion section, a second stirring section and a second extrusion section which are coaxially arranged along the material conveying direction, the first stirring section is provided with a plurality of stirring blades 8 which are fixed on the stepped rotating shaft, the stirring blades are arranged along the extending direction of the stepped rotating shaft, the first extrusion section is provided with a worm structure consisting of a plurality of first spiral teeth 9, the first spiral teeth are used for extruding and conveying materials, the second stirring section is provided with a plurality of arc slices 10 which are arranged in parallel, the arc slices can cut or stir materials when rotating along with the stepped rotating shaft, the observation window can display the mixed state of the material sections, the second extrusion section is provided with a worm structure consisting of a plurality of second spiral teeth 11, the radial width of the second spiral teeth is smaller than that of the first spiral teeth, and the axial width between the two second spiral teeth is larger than that between the two first spiral teeth.
According to the above embodiment, preferably, the moving part specifically includes: the frame body 12, universal wheel 13 and bracket, wherein, frame body and bracket fixed connection, the bracket is fixed in the lateral wall outside of processing storehouse, and the universal wheel is installed in the frame body bottom.
According to the above embodiment, preferably, the power section specifically includes: the stirring shaft comprises a motor 16, a first gear pair and a second gear pair, wherein the first gear pair is connected with the stepped rotating shaft, the motor is matched with the first gear pair to drive the stepped rotating shaft, the second gear pair is connected with the stirring shaft, and the motor is matched with the second gear pair to drive the stirring shaft.
According to the above embodiment, preferably, the hopper is made of hard plastic, and the bin gate has a manual opening and closing structure.
According to the above embodiment, preferably, the stirring shaft is provided with the stirring assembly 14, the stirring assembly is detachably connected with the stirring shaft, the stirring assembly is integrally formed by the 3D printer, and the stirring assembly is sleeved with the stirring shaft and is positioned through the plug pin.
According to the above embodiment, preferably, the processing section further comprises an ejection die 15 disposed at the outlet of the processing bin.
In conclusion, the feeding portion is connected with the processing portion through the bin gate that can open and shut, directly get into processing and extrusion process after the raw materials mixes in advance, the first stirring section in the processing portion further stirs the misce bene with the material after mixing in advance, the first section of extruding carries out further mixing to the material, along with the rotation of helical tooth, carry out preliminary extrusion with the material, the material that is preliminary extruded is cut open by the circular arc section when the second stirring section and is convenient for look over the material mixing condition, the material through first stirring section and first section processing of extruding has preliminary shaping, be convenient for look over processingquality after cutting out the section, can add the raw materials through the charging pipeline according to the section condition as appropriate in order to improve the state of material when final shaping. The second is extruded the section and is carried out final extrusion to the material and carry, and the material is final to be exported through the discharge gate, can directly use, and whole course of working is accomplished by same equipment, is convenient for arrange and maintain.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A gradient screw extrusion mechanism, comprising: the feeding part is arranged at the processing part below the feeding part, the moving part below the processing part and the power part connected with the processing part are arranged, wherein the feeding part comprises a hopper, a bin door arranged at the bottom of the hopper and a stirring shaft arranged at the middle part of the hopper, the bin door is communicated with the feeding part and the processing part, the processing part comprises a processing bin, an observation window and a feeding pipeline which are arranged on the side wall of the processing bin, and a stepped rotating shaft arranged inside the processing bin, the stepped rotating shaft comprises a first stirring section, a first extrusion section, a second stirring section and a second extrusion section which are coaxially arranged along the material conveying direction, the first stirring section is provided with a plurality of stirring plectrums, the stirring plectrums are fixed on the stepped rotating shaft, the stirring plectrums are arranged along the extending direction of the stepped rotating shaft, the first extrusion section is provided with a worm structure consisting of a plurality of first spiral teeth, first helical tooth is used for the extrusion and carries the material, second stirring section has multi-disc parallel arrangement's circular arc section, the circular arc section is followed can cut or stir the material when the ladder pivot is rotatory, the observation window can show the sectional mixing state of material, the second is extruded the section and is had the worm structure that multichannel second helical tooth constitutes, the radial width of second helical tooth is less than the radial width of first helical tooth, and the axial width between the twice second helical tooth is greater than the axial width between the twice first helical tooth.
2. The gradient screw extrusion mechanism of claim 1, wherein the moving portion specifically comprises: the frame body is fixedly connected with the bracket, the bracket is fixed to the outer portion of the side wall of the processing bin, and the universal wheels are installed at the bottom of the frame body.
3. The gradient screw extrusion mechanism of claim 2, wherein the motive portion specifically comprises: the stirring shaft comprises a motor, a first gear pair and a second gear pair, wherein the first gear pair is connected with the stepped rotating shaft, the motor is in matched driving with the first gear pair to drive the stepped rotating shaft, the second gear pair is connected with the stirring shaft, and the motor is in matched driving with the second gear pair to drive the stirring shaft.
4. The gradient screw extrusion mechanism of claim 1, wherein the hopper is made of rigid plastic and the hopper door has a manually openable structure.
5. The gradient screw extrusion mechanism of claim 1, wherein the stirring shaft is provided with a stirring component, the stirring component is detachably connected with the stirring shaft, the stirring component is integrally formed by a 3D printer, and the stirring component is sleeved with the stirring shaft and is positioned by a bolt.
6. The gradient screw extrusion mechanism of claim 1, wherein the processing section further comprises an exit die disposed at an outlet of the processing bin.
CN202010932550.2A 2020-09-08 2020-09-08 Gradient screw extrusion mechanism Pending CN112339240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010932550.2A CN112339240A (en) 2020-09-08 2020-09-08 Gradient screw extrusion mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010932550.2A CN112339240A (en) 2020-09-08 2020-09-08 Gradient screw extrusion mechanism

Publications (1)

Publication Number Publication Date
CN112339240A true CN112339240A (en) 2021-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010932550.2A Pending CN112339240A (en) 2020-09-08 2020-09-08 Gradient screw extrusion mechanism

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113071005A (en) * 2021-02-20 2021-07-06 陈春风 Anti-solidification concrete feeding equipment with loosening structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204801010U (en) * 2015-06-03 2015-11-25 宁波市镇海百特思塑化有限公司 Extruder
CN208774022U (en) * 2018-07-26 2019-04-23 徐州辛辛那提新型材料有限公司 A kind of PE solid wall pipe production extruder that can uniformly squeeze out

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204801010U (en) * 2015-06-03 2015-11-25 宁波市镇海百特思塑化有限公司 Extruder
CN208774022U (en) * 2018-07-26 2019-04-23 徐州辛辛那提新型材料有限公司 A kind of PE solid wall pipe production extruder that can uniformly squeeze out

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113071005A (en) * 2021-02-20 2021-07-06 陈春风 Anti-solidification concrete feeding equipment with loosening structure

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Application publication date: 20210209

RJ01 Rejection of invention patent application after publication