CN116080028A - Extrusion molding preparation device for shielding heat-shrinkable tube and production process thereof - Google Patents

Extrusion molding preparation device for shielding heat-shrinkable tube and production process thereof Download PDF

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Publication number
CN116080028A
CN116080028A CN202310382015.8A CN202310382015A CN116080028A CN 116080028 A CN116080028 A CN 116080028A CN 202310382015 A CN202310382015 A CN 202310382015A CN 116080028 A CN116080028 A CN 116080028A
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China
Prior art keywords
ring
cutting
groove
fixedly arranged
extrusion head
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CN202310382015.8A
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Chinese (zh)
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CN116080028B (en
Inventor
王军波
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Hefei Fengxiang Thermal Shrinking Material Technology Co ltd
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Hefei Fengxiang Thermal Shrinking Material Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2566—Die parts
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/272—Cleaning; Purging; Avoiding contamination of dies
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • B29C61/025—Thermal shrinking for the production of hollow or tubular articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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

Abstract

The invention relates to the technical field of shielding heat shrinkage pipe production equipment, in particular to a shielding heat shrinkage pipe extrusion molding preparation device and a production process thereof, wherein the connection between an extrusion head and an extruder main body is good in stability through a fixedly arranged connecting component, and on the basis, the extrusion head and the extruder main body are easy and convenient to assemble and disassemble; when impurities such as residues appear at the position of a material storage opening of the extrusion head, the impurities are cleaned through the arranged residual material cleaning assembly, and the extrusion operation of the heat shrinkage tube is not required to be suspended in the process, so that the production working efficiency of the heat shrinkage tube is ensured; through the control subassembly that cuts off that sets up, can carry out corresponding work of cutting off to the pyrocondensation pipe, improve its processing flexibility, and through the change subassembly that sets up, can carry out quick replacement to the cutting off knife, be convenient for later maintenance and change work have good work flexibility, satisfy actual processing demand.

Description

Extrusion molding preparation device for shielding heat-shrinkable tube and production process thereof
Technical Field
The invention relates to the technical field of shielding heat-shrinkable tube production equipment, in particular to a shielding heat-shrinkable tube extrusion molding preparation device and a production process thereof.
Background
The heat shrinkage tube is a special polyolefin heat shrinkage sleeve, the outer layer is formed by compounding and processing high-quality soft cross-linked polyolefin materials and inner layer hot melt adhesives, the outer layer has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, waterproof sealing, high adhesiveness and the like.
For the current Chinese patent document with publication number CN213972483U, a heat shrinkage tube separating extrusion die is disclosed; the method aims at solving the technical problems that the existing heat-shrinkable tube separating extrusion die can achieve a desired shape, but when different types of heat-shrinkable tubes are processed, the die is required to be replaced, time and labor are wasted, and the processing is inconvenient; the extrusion die device is sleeved on the extruder, the extrusion die device is used for forming materials of the extruder, the extrusion die assembly is arranged on one side of the circular fixing block, a fixing hole is formed in the circular fixing block, a plurality of threaded holes are formed in the inner wall of the fixing hole, the threaded holes are formed in the outer side of the circular fixing block, the extruder is fixed through the fixing hole, the extruder is fixed in the circular fixing block through the threaded holes, the extrusion die assembly is used for extruding the materials, a first through hole is formed in the middle rod, a limit sleeve is arranged on one side of the inner wall of the first through hole, a conical extrusion head is arranged on one side of the limit sleeve, one end of the conical extrusion head is provided with a threaded connector, the outer side of the threaded connector is in threaded connection with the first through hole, one end of the conical extrusion head penetrates through the first through hole and is in threaded connection with the inner wall of the first through hole, then is limited through the limit sleeve, a second through hole is formed in the conical extrusion head, and a discharge hole is formed in one end of the conical extrusion head, the materials enter the second through the extruder and then enter the discharge hole, the materials are formed through the extrusion die assembly, the extrusion die device is connected in the second through the threaded hole, the threaded connector is convenient to replace, and the labor-saving effect is achieved, and the labor saving effect is achieved.
On one hand, the scheme is not enough in installation stability when the heat shrinkage pipe in the prior art is used for extrusion molding, and the installation stability is inconvenient for the installation, disassembly and replacement operations of the heat shrinkage pipe by using corresponding auxiliary work, so that the heat shrinkage pipe is unscrewed and screwed by using corresponding auxiliary work, and scraping damage of the conical extrusion head is easily caused in the process; on the other hand, in the continuous extrusion process, the extrusion port may have residual materials accumulated, and no corresponding midway cutting mechanism exists, so that the production and processing flexibility is low, and the actual processing requirements cannot be met.
Therefore, the invention provides a shielding heat-shrinkable tube extrusion molding preparation device and a production process thereof, which are used for solving the problems.
Disclosure of Invention
The invention aims to provide a shielding heat-shrinkable tube extrusion molding preparation device and a production process thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the extrusion molding preparation device for the shielding heat-shrinkable tube comprises an extruder main body and an extrusion head, wherein the extruder main body is fixedly connected with the extrusion head through a stable connecting component, a residual material removing component and a cutting control component are arranged on the extruder main body, the residual material removing component is used for removing residual materials at a discharge hole of the extrusion head, and the cutting control component is used for cutting the heat-shrinkable tube;
the stable connecting assembly comprises a first butt joint ring, an annular sealing groove, a connecting groove, a thread groove, a mounting thread column, a handle, a second butt joint ring, a sealing clamping ring, a connecting cutting, a stable groove and an auxiliary pad;
the residual material removing assembly comprises a fixed disc, a first control telescopic rod, a bearing ring, a convex body, an annular guide groove, a driving gear, a control motor, a transmission toothed ring, a connecting rod, a carrier plate, a second control telescopic rod, a connecting body and an arc-shaped removing scraping plate;
the cutting control assembly comprises a supporting plate, a third control telescopic rod, a cutting knife, a plate body, a movable baffle, a protection pad and an auxiliary spring.
Preferably, the first butt joint ring is fixed to be set up at the link of extrusion head, and is provided with annular seal groove on the first butt joint ring, and the equidistance is provided with the spread groove, the thread groove equidistance sets up the lateral wall at the first butt joint ring, and the thread groove is linked together with the spread groove and is set up, thread groove and installation screw thread post looks adaptation threaded connection, the fixed handle that is provided with of one end of installation screw thread post, the fixed link that sets up at the extruder main part of second butt joint ring, and the fixed connection cutting that is provided with of equidistance on the second butt joint ring, be provided with firm groove on the connection cutting, one side of firm groove is provided with the slope, and fixedly on the slope be provided with auxiliary pad, one side of second butt joint ring is fixed and is provided with sealed snap ring, sealed snap ring and annular seal groove set up the position corresponding, set up the group number the same, both looks adaptation joint.
Preferably, auxiliary strips are symmetrically and fixedly arranged on the outer side wall of the handle, the connecting grooves correspond to the connecting cutting arrangement positions, the number of the arrangement groups is the same, and the connecting grooves and the connecting cutting arrangement positions are in fit connection; the thread grooves correspond to the setting positions of the stabilizing grooves, and the number of the setting groups is the same.
Preferably, the fixed plate is fixedly arranged on the outer side wall of the main body of the extruder, a first control telescopic rod is symmetrically and fixedly arranged on the fixed plate, one end of the first control telescopic rod is fixedly arranged on one side of the bearing ring, a convex body is fixedly arranged on one side of the bearing ring, the annular guide groove is formed in the bearing ring, the driving gear is movably arranged in the convex body, a control motor is fixedly arranged at one end of the driving gear, the control motor is fixedly arranged on the convex body, a transmission toothed ring is connected to one side of the driving gear in a meshed mode, the transmission toothed ring is movably arranged in the bearing ring and is arranged at the side position of the annular guide groove, a connecting rod is symmetrically and fixedly arranged on the transmission toothed ring, a carrier plate is fixedly arranged at one end of the connecting rod, a second control telescopic rod is fixedly arranged at one side of the carrier plate, an arc-shaped cleaning scraping plate is fixedly arranged on the connecting body, and a cutting control assembly is connected to the bearing ring.
Preferably, the arc-shaped cleaning scraping plates are symmetrically arranged in two groups, the arc-shaped cleaning scraping plates correspond to the discharge hole of the extrusion head in arrangement position, and the arc-shaped cleaning scraping plates are matched and attached with the discharge hole of the extrusion head.
Preferably, the backup pad symmetry is fixed to be set up on the carrier ring, the fixed third control telescopic link that is provided with on the carrier ring, and one of them third control telescopic link's one end is through changing subassembly fixed connection cutting off knife, and the fixed plate body that is provided with of one end of another third control telescopic link, the activity is provided with movable baffle in the plate body, and movable baffle's one end extends to the plate body outside, and the fixed protection pad that is provided with of tip, and movable baffle's the fixed auxiliary spring that is provided with of other end equidistance, auxiliary spring's one end is fixed to be set up in the plate body.
Preferably, the cutting knife corresponds to the setting positions of the plate body and the movable baffle, and the three are matched to cut off the heat shrinkage pipe.
Preferably, the replacement assembly comprises a first external thread column, an internal thread connecting ring, a positioning clamping groove, a fastening spring, a backing ring, a second external thread column and a positioning fixture block, wherein the first external thread column is fixedly arranged at one end of one third control telescopic rod, the positioning clamping groove is formed in one end of the first external thread column, the internal thread connecting ring is arranged on the outer side wall of the first external thread column in a threaded connection mode, an annular groove is formed in the outer side wall of one end of the first external thread column, the fastening spring is fixedly arranged on the annular groove in a surrounding mode, the backing ring is fixedly arranged at one end of the fastening spring, the second external thread column is fixedly arranged on the cutting-off knife, and the positioning fixture block is fixedly arranged on the second external thread column.
Preferably, the positioning clamping blocks correspond to the positioning clamping grooves in arrangement position, have the same arrangement group number, and are in fit connection with each other; and the first external thread column and the second external thread column are connected and fixed through the internal thread connecting ring.
A production process of a shielding heat-shrinkable tube extrusion molding preparation device comprises the following steps:
for extrusion of the heat shrinkage tube, the connection between the extrusion head and the extruder main body is good in stability through the arranged stable connection component, and on the basis, the extrusion head and the extruder main body are easy and convenient to assemble and disassemble; when impurities such as residues appear at the position of a material storage opening of the extrusion head, the impurities are cleaned through the arranged residual material cleaning assembly, and the extrusion operation of the heat shrinkage tube is not required to be suspended in the process, so that the production working efficiency of the heat shrinkage tube is ensured; through the control subassembly that cuts off that sets up, can carry out corresponding work of cutting off to the pyrocondensation pipe, improve its processing flexibility, and through the change subassembly of setting, can carry out quick replacement to the cutting off knife, be convenient for later maintenance and change work.
Compared with the prior art, the invention has the beneficial effects that:
the invention designs a shielding heat-shrinkable tube extrusion molding preparation device, which mainly improves the working efficiency of the shielding heat-shrinkable tube extrusion molding processing through the cooperation between a set stable connecting component and a residual material removing component, a cutting control component and a replacement component, namely, the connection between an extrusion head and an extruder main body is very stable through the set stable connecting component, and on the basis, the assembly and the disassembly of the extrusion head and the extruder main body are simple and convenient; when impurities such as residues appear at the position of a material storage opening of the extrusion head, the impurities are cleaned through the arranged residual material cleaning assembly, and the extrusion operation of the heat shrinkage tube is not required to be suspended in the process, so that the production working efficiency of the heat shrinkage tube is ensured; through the control subassembly that cuts off that sets up, can carry out corresponding work of cutting off to the pyrocondensation pipe, improve its processing flexibility, and through the change subassembly that sets up, can carry out quick replacement to the cutting off knife, be convenient for later maintenance and change work have good work flexibility, satisfy actual processing demand.
Drawings
FIG. 1 is a schematic diagram of the front side of a structure connection of a preparation device for extrusion molding of a shielding heat-shrinkable tube;
FIG. 2 is an enlarged schematic view of a portion of the structural joint of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the device for preparing the extrusion molding of the shielding heat-shrinkable tube;
FIG. 4 is an enlarged schematic view of a portion of the structural joint of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic illustration of the connection of the extrusion head structure of the present invention;
FIG. 6 is an enlarged schematic view of a portion of the structural joint of FIG. 5 in accordance with the present invention;
FIG. 7 is a right side schematic view of the connection of the extruder body to the stationary connection assembly and the scrap removal assembly of the present invention;
FIG. 8 is an enlarged schematic view of a portion of the structural joint of FIG. 7 in accordance with the present invention;
FIG. 9 is a left side schematic view of the structural connection of the extruder body with the stabilizing connection assembly and the scrap removal assembly of the present invention;
FIG. 10 is a partial cross-sectional view of the structural connection of the stabilizing connection assembly, the scrap removal assembly, and the cutoff control assembly of the present invention;
FIG. 11 is an enlarged partial schematic view of the structural joint of FIG. 10 in accordance with the present invention;
FIG. 12 is a left side schematic view of the structural connection of the present invention cutting blade to the replacement assembly;
FIG. 13 is a right side schematic view of the structural connection of the present invention cutting blade and the replacement assembly;
fig. 14 is a schematic view showing the structural connection of the plate body and the movable baffle in the cut-off control assembly according to the present invention.
In the figure: extruder body 1, extrusion head 2, stabilizing connection assembly 3, first docking ring 301, annular seal groove 302, connection groove 303, thread groove 304, mounting thread post 305, handle 306, second docking ring 307, sealing snap ring 308, connection insert 309, stabilizing groove 310, auxiliary pad 311, residue removal assembly 4, fixed disk 401, first control telescoping rod 402, carrier ring 403, boss 404, annular guide groove 405, drive gear 406, control motor 407, drive gear ring 408, connecting rod 409, carrier plate 410, second control telescoping rod 411, connector 412, arcuate removal blade 413, cutoff control assembly 5, support plate 501, third control telescoping rod 502, cutoff knife 503, plate 504, flapper 505, protective pad 506, auxiliary spring 507, replacement assembly 6, first externally threaded post 601, internally threaded connection ring 602, positioning snap groove 603, fastening spring 604, backing ring 605, second externally threaded post 606, positioning snap block 607.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. Embodiments of the present invention are intended to be within the scope of the present invention as defined by the appended claims.
Embodiment one: referring to fig. 1-14, a preparation device for extrusion molding of a shielding heat shrinkage tube comprises an extruder main body 1 and an extrusion head 2, wherein the extruder main body 1 is fixedly connected with the extrusion head 2 through a stable connecting component 3, a residual material removing component 4 and a cutting control component 5 are arranged on the extruder main body 1, the residual material removing component 4 removes residual materials at a discharge hole of the extrusion head 2, and the cutting control component 5 cuts the heat shrinkage tube;
the stable connecting assembly 3 comprises a first docking ring 301, an annular sealing groove 302, a connecting groove 303, a threaded groove 304, a mounting threaded post 305, a handle 306, a second docking ring 307, a sealing snap ring 308, a connecting insert 309, a stable groove 310, and an auxiliary pad 311; the first butt joint ring 301 is fixedly arranged at the connecting end of the extrusion head 2, the first butt joint ring 301 is provided with an annular sealing groove 302, connecting grooves 303 are formed in an equidistant manner, the thread grooves 304 are formed in the outer side wall of the first butt joint ring 301 in an equidistant manner, the thread grooves 304 are communicated with the connecting grooves 303, the thread grooves 304 are in threaded connection with the mounting thread columns 305 in an adaptive manner, one ends of the mounting thread columns 305 are fixedly provided with handles 306, the second butt joint ring 307 is fixedly arranged at the connecting end of the extruder main body 1, the second butt joint ring 307 is fixedly provided with connecting cutting 309 in an equidistant manner, the connecting cutting 309 is provided with a stabilizing groove 310, one side of the stabilizing groove 310 is provided with a slope, auxiliary pads 311 are fixedly arranged on the slope, one side of the second butt joint ring 307 is fixedly provided with sealing clamping rings 308, the positions of the sealing clamping rings 308 correspond to the positions of the annular sealing grooves 302, the number of the setting groups are the same, and the sealing clamping rings are in an adaptive manner; auxiliary strips are symmetrically and fixedly arranged on the outer side wall of the handle 306, the arrangement positions of the connecting grooves 303 and the connecting cutting 309 are corresponding, the number of the arrangement groups is the same, and the two are matched and spliced; the thread grooves 304 correspond to the fixing grooves 310 in arrangement positions and have the same number of arrangement groups.
The residue removing assembly 4 comprises a fixed disc 401, a first control telescopic rod 402, a bearing ring 403, a convex body 404, an annular guide groove 405, a driving gear 406, a control motor 407, a transmission gear ring 408, a connecting rod 409, a bearing plate 410, a second control telescopic rod 411, a connecting body 412 and an arc removing scraper 413; the fixed disk 401 is fixedly arranged on the outer side wall of the extruder main body 1, the fixed disk 401 is symmetrically and fixedly provided with a first control telescopic rod 402, one end of the first control telescopic rod 402 is fixedly arranged on one side of the bearing ring 403, one side of the bearing ring 403 is fixedly provided with a convex body 404, the annular guide groove 405 is arranged on the bearing ring 403, the driving gear 406 is movably arranged in the convex body 404, one end of the driving gear 406 is fixedly provided with a control motor 407, the control motor 407 is fixedly arranged on the convex body 404, one side of the driving gear 406 is in meshed connection with a transmission toothed ring 408, the transmission toothed ring 408 is movably arranged in the bearing ring 403 and is arranged at the side position of the annular guide groove 405, the transmission toothed ring 408 is symmetrically and fixedly provided with a connecting rod 409, one end of the connecting rod 409 is fixedly provided with a carrier plate 410, one side of the carrier plate 410 is fixedly provided with a second control telescopic rod 411, one end of the second control telescopic rod 411 is fixedly provided with a connecting body 412, the connecting body scraper 412 is fixedly provided with an arc-shaped cleaning 413, and the bearing ring 403 is connected with a cutting-off control assembly 5; the arc-shaped cleaning scrapers 413 are symmetrically provided with two groups, the arc-shaped cleaning scrapers 413 correspond to the discharge hole of the extrusion head 2 in arrangement position, and the arc-shaped cleaning scrapers 413 are matched and attached with the discharge hole of the extrusion head 2.
The cutting control assembly 5 comprises a support plate 501, a third control telescopic rod 502, a cutting knife 503, a plate body 504, a movable baffle 505, a protection pad 506 and an auxiliary spring 507.
In the extrusion molding processing process, impurities such as residues appear at the position of a material storage hole of an extrusion head 2, the impurities are cleaned through a residual material cleaning component 4, a first control telescopic rod 402 is started to push a bearing ring 403, an arc cleaning scraper 413 on the bearing ring 403 is aligned with the position of a material discharge hole of the extrusion head 2, a second control telescopic rod 411 is started to push the arc cleaning scraper 413, the arc cleaning scraper 413 is attached to the material discharge hole of the extrusion head 2, meanwhile, a control motor 407 is started to drive a driving gear 406 to drive a transmission toothed ring 408 to rotate, the transmission toothed ring 408 drives a connecting rod 409 to further drive the arc cleaning scraper 413 to rotate, and the material discharge hole of the extrusion head 2 is scraped and cleaned; after the cleaning is completed, the control motor 407 stops working, the arc cleaning scraper 413 is pulled back to the initial position by the second control telescopic rod 411, and finally the bearing ring 403 is straightened to the initial position by the first control telescopic rod 402.
For the disassembly and assembly work of the extrusion head 2, namely, the connecting groove 303 on the first butt joint ring 301 is spliced with the connecting cutting 309 on the second butt joint ring 307, meanwhile, the sealing clamping ring 308 is clamped with the annular sealing groove 302, the connection tightness of the extrusion head 2 and the extruder main body 1 is ensured, the stable groove 310 on the connecting cutting 309 reaches the position of the thread groove 304, then the handle 306 is rotated, the mounting thread column 305 is in threaded connection with the thread groove 304 and clamped into the stable groove 310, the end part of the mounting thread column 305 extrudes the auxiliary pad 311 on the slope in the stable groove 310, the clamping stability of the mounting thread column 305 and the stable groove 310 is improved, and the connection stability of the extrusion head 2 and the extruder main body 1 is further ensured.
Embodiment two: on the basis of the first embodiment, referring to fig. 1-11, a supporting plate 501 is symmetrically and fixedly arranged on a bearing ring 403, a third control telescopic rod 502 is fixedly arranged on the bearing ring 403, one end of one third control telescopic rod 502 is fixedly connected with a cutting knife 503 through a replacement component 6, one end of the other third control telescopic rod 502 is fixedly provided with a plate body 504, a movable baffle 505 is movably arranged in the plate body 504, one end of the movable baffle 505 extends to the outer side of the plate body 504, a protection pad 506 is fixedly arranged at the end of the movable baffle 505, an auxiliary spring 507 is fixedly arranged at the other end of the movable baffle 505 at equal intervals, and one end of the auxiliary spring 507 is fixedly arranged in the plate body 504; the cutting knife 503 corresponds to the setting positions of the plate 504 and the movable baffle 505, and the three are matched to cut the heat shrinkage tube.
When the extruded heat shrinkage pipe needs to be cut, the first control telescopic rod 402 is started to push the bearing ring 403, the supporting plate 501 on the bearing ring 403 reaches the corresponding position, the third control telescopic rods 502 symmetrically arranged on the bearing ring 403 are simultaneously started, one of the third control telescopic rods 502 pushes the cutting knife 503 to move, the third control telescopic rod 502 on the other side pushes the plate body 504 to move, the cutting knife 503 cuts the heat shrinkage pipe, the cutting edge of the cutting knife 503 and the movable baffle 505 are released after cutting, namely, the cutting edge of the cutting knife 503 has a good protection effect under the cooperation of the protection pad 506 and the auxiliary spring 507, after the cutting operation is finished, the cutting knife 503 and the plate body 504 are pulled back to the initial position through the third control telescopic rod 502, and then the bearing ring 403 can be straightened to the initial position through the first control telescopic rod 402.
Embodiment III: on the basis of the second embodiment, referring to fig. 12-13, the replacement assembly 6 includes a first external thread column 601, an internal thread connection ring 602, a positioning clamping groove 603, a fastening spring 604, a backing ring 605, a second external thread column 606, and a positioning clamping block 607, wherein the first external thread column 601 is fixedly arranged at one end of one of the third control telescopic rods 502, one end of the first external thread column 601 is provided with the positioning clamping groove 603, the external side wall of the first external thread column 601 is in threaded connection with the internal thread connection ring 602, the external side wall of one end of the first external thread column 601 is provided with an annular groove, the fastening spring 604 is fixedly arranged on the annular groove in a surrounding manner, one end of the fastening spring 604 is fixedly provided with the backing ring 605, the second external thread column 606 is fixedly arranged on the cutting knife 503, and the second external thread column 606 is fixedly provided with the positioning clamping block 607; the positioning clamping block 607 corresponds to the positioning clamping groove 603 in setting position, has the same setting group number and is matched and spliced with the positioning clamping groove 603; and the first externally threaded post 601 and the second externally threaded post 606 are fixedly connected through the internally threaded connecting ring 602.
The disconnecting knife 503 can be removed and replaced, that is, for the installation work of the disconnecting knife 503, the positioning clamping block 607 on the second external thread column 606 at the end part of the disconnecting knife 503 is inserted into the positioning clamping groove 603 on the first external thread column 601, meanwhile, the second external thread column 606 extrudes the backing ring 605, so that the fastening spring 604 connected with the backing ring 605 is in a compressed state, then the internal thread connecting ring 602 is rotated to enable the fastening spring to move to the connection position of the first external thread column 601 and the second external thread column 606, for the installation work of the disconnecting knife 503, the removal work of the disconnecting knife can be completed, and for the connection of the first external thread column 601 and the second external thread column 606 is released, the disconnecting knife 503 can be removed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A shielding heat shrinkage pipe extrusion molding preparation facilities, its characterized in that: the heat-shrinkable tube cutting device comprises an extruder main body (1) and an extrusion head (2), wherein the extruder main body (1) is fixedly connected with the extrusion head (2) through a stable connecting component (3), a residual material removing component (4) and a cutting control component (5) are arranged on the extruder main body (1), the residual material removing component (4) is used for removing residual materials at a discharge hole of the extrusion head (2), and the cutting control component (5) is used for cutting the heat-shrinkable tube;
the stable connecting assembly (3) comprises a first butt joint ring (301), an annular sealing groove (302), a connecting groove (303), a thread groove (304), a mounting thread column (305), a handle (306), a second butt joint ring (307), a sealing clamping ring (308), a connecting cutting (309), a stable groove (310) and an auxiliary pad (311);
the scrap removing assembly (4) comprises a fixed disc (401), a first control telescopic rod (402), a bearing ring (403), a convex body (404), an annular guide groove (405), a driving gear (406), a control motor (407), a transmission toothed ring (408), a connecting rod (409), a bearing plate (410), a second control telescopic rod (411), a connecting body (412) and an arc removing scraping plate (413);
the cutting control assembly (5) comprises a supporting plate (501), a third control telescopic rod (502), a cutting knife (503), a plate body (504), a movable baffle plate (505), a protection pad (506) and an auxiliary spring (507).
2. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 1, wherein: the extrusion device is characterized in that the first butt joint ring (301) is fixedly arranged at the connecting end of the extrusion head (2), an annular sealing groove (302) is formed in the first butt joint ring (301), connecting grooves (303) are formed in the first butt joint ring (301) at equal intervals, the thread grooves (304) are formed in the outer side wall of the first butt joint ring (301) at equal intervals, the thread grooves (304) are communicated with the connecting grooves (303), the thread grooves (304) are connected with mounting thread columns (305) through matching threads, a handle (306) is fixedly arranged at one end of each mounting thread column (305), a connecting insert (309) is fixedly arranged at the connecting end of the extrusion device body (1) through equal intervals on the second butt joint ring (307), a stabilizing groove (310) is formed in the connecting insert (309), a slope is formed in one side of the stabilizing groove (310), an auxiliary pad (311) is fixedly arranged on the slope, a sealing clamp ring (308) is fixedly arranged on one side of the second butt joint ring (307), and the sealing clamp ring (308) is corresponding to the annular sealing groove (302) in the corresponding position and is matched with the annular sealing groove (302).
3. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 2, wherein: auxiliary strips are symmetrically and fixedly arranged on the outer side wall of the handle (306), the arrangement positions of the connecting grooves (303) and the connecting cutting (309) are corresponding, the number of the arrangement groups is the same, and the connecting grooves and the connecting cutting are matched and spliced; the thread grooves (304) correspond to the setting positions of the stabilizing grooves (310) and have the same setting group number.
4. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 1, wherein: the fixed disk (401) is fixedly arranged on the outer side wall of the extruder main body (1), the fixed disk (401) is symmetrically and fixedly provided with a first control telescopic rod (402), one end of the first control telescopic rod (402) is fixedly arranged on one side of the bearing ring (403), one side of the bearing ring (403) is fixedly provided with a convex body (404), the annular guide groove (405) is arranged on the bearing ring (403), the driving gear (406) is movably arranged in the convex body (404), one end of the driving gear (406) is fixedly provided with a control motor (407), the control motor (407) is fixedly arranged on the convex body (404), one side of the driving gear (406) is connected with a transmission toothed ring (408), the transmission toothed ring (408) is movably arranged in the bearing ring (403), the side of the annular guide groove (405) is fixedly provided with a connecting rod (409), one end of the connecting rod (409) is fixedly provided with a carrier plate (410), one end of the carrier plate (410) is movably arranged in the convex body (404), one end of the second control toothed ring (412) is fixedly provided with a scraper blade 411, one end of the second control telescopic rod (411) is fixedly connected with the scraper blade (411), the bearing ring (403) is connected with a cutting control assembly (5).
5. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 4, wherein: the arc-shaped cleaning scrapers (413) are symmetrically arranged in two groups, the arc-shaped cleaning scrapers (413) correspond to the discharge hole of the extrusion head (2), and the arc-shaped cleaning scrapers (413) are matched and attached to the discharge hole of the extrusion head (2).
6. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 1, wherein: the utility model discloses a fixed setting of backup pad (501) symmetry is on carrying ring (403), the fixed third control telescopic link (502) that is provided with on carrying ring (403), and one end of one of them third control telescopic link (502) is through changing subassembly (6) fixed connection cutting off knife (503), and the fixed plate body (504) that is provided with of one end of another third control telescopic link (502), the activity is provided with movable baffle (505) in plate body (504), and the one end of movable baffle (505) extends to the plate body (504) outside, and the fixed protection pad (506) that is provided with of tip, and the other end equidistance of movable baffle (505) is fixed and is provided with auxiliary spring (507), and the one end of auxiliary spring (507) is fixed to be set up in plate body (504).
7. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 6, wherein: the cutting knife (503) corresponds to the setting positions of the plate body (504) and the movable baffle (505), and the three are matched to cut off the heat shrinkage pipe.
8. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 6, wherein: the replacement assembly (6) comprises a first external thread column (601), an internal thread connecting ring (602), a positioning clamping groove (603), a fastening spring (604), a backing ring (605), a second external thread column (606) and a positioning clamping block (607), wherein the first external thread column (601) is fixedly arranged at one end of one third control telescopic rod (502), the positioning clamping groove (603) is arranged at one end of the first external thread column (601), the internal thread connecting ring (602) is arranged on the outer side wall of one end of the first external thread column (601) in a threaded manner, an annular groove is formed in the outer side wall of one end of the first external thread column (601), the fastening spring (604) is fixedly arranged on the annular groove in a surrounding manner, the backing ring (605) is fixedly arranged at one end of the fastening spring (604), the second external thread column (606) is fixedly arranged on the cutting knife (503), and the positioning clamping block (606) is fixedly arranged on the second external thread column (606).
9. The shielding heat-shrinkable tube extrusion molding preparation device according to claim 8, wherein: the positioning clamping blocks (607) correspond to the positioning clamping grooves (603) in arrangement position, the number of the arrangement groups is the same, and the positioning clamping blocks and the positioning clamping grooves are in fit connection; and the first external thread column (601) and the second external thread column (606) are connected and fixed through the internal thread connecting ring (602).
10. A production process of a shielding heat shrinkage tube extrusion molding preparation device as claimed in any one of claims 1 to 9, which is characterized in that the production process comprises the following steps:
for extrusion of the heat shrink tube, the extrusion head (2) and the extruder main body (1) are connected with good stability through the fixedly connected component (3), and on the basis, the extrusion head and the extruder main body are easy and convenient to assemble and disassemble; when residue impurities appear at the position of a material storage opening of the extrusion head (2), the extrusion head is cleaned by the arranged residue cleaning assembly (4), and the extrusion operation of the heat shrinkage pipe is not needed to be suspended in the process, so that the production working efficiency of the heat shrinkage pipe is ensured; through the control subassembly (5) that cuts off that sets up, can carry out corresponding work of cutting off to the pyrocondensation pipe, improve its processing flexibility, and through the change subassembly (6) that set up, can carry out quick replacement to cutting off sword (503), be convenient for later maintenance and change work.
CN202310382015.8A 2023-04-12 2023-04-12 Extrusion molding preparation device for shielding heat-shrinkable tube and production process thereof Active CN116080028B (en)

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