CN113531296A - Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method - Google Patents

Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method Download PDF

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Publication number
CN113531296A
CN113531296A CN202110889149.XA CN202110889149A CN113531296A CN 113531296 A CN113531296 A CN 113531296A CN 202110889149 A CN202110889149 A CN 202110889149A CN 113531296 A CN113531296 A CN 113531296A
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CN
China
Prior art keywords
pipe
heat insulation
injection molding
molding machine
glass fiber
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.)
Withdrawn
Application number
CN202110889149.XA
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Chinese (zh)
Inventor
金小东
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.)
Lanxi Zhuangyuan Glass Fiber Co ltd
Original Assignee
Lanxi Zhuangyuan Glass Fiber Co ltd
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Filing date
Publication date
Application filed by Lanxi Zhuangyuan Glass Fiber Co ltd filed Critical Lanxi Zhuangyuan Glass Fiber Co ltd
Priority to CN202110889149.XA priority Critical patent/CN113531296A/en
Publication of CN113531296A publication Critical patent/CN113531296A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
    • F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/74—Heating or cooling of the injection unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028—Composition or method of fixing a thermally insulating material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of heat insulation sleeves, and discloses a special glass fiber cloth heat insulation sleeve for heat insulation of an injection molding machine and a preparation method thereof, wherein the special glass fiber cloth heat insulation sleeve comprises an inner pipe and an outer pipe, wherein the inner pipe is sleeved on a heating material pipe of the injection molding machine, the outer pipe is covered outside the inner pipe, a heat insulation cavity is formed between the inner pipe and the outer pipe, and glass fiber cloth is filled in the heat insulation cavity; the inner pipe and the outer pipe can be arranged in a detachable mode. Through the structure, the thermal insulation sleeve formed by the outer pipe and the inner pipe has better thermal insulation performance because the glass fiber cloth is filled between the inner pipe and the outer pipe, so that the thermal insulation sleeve can better avoid the heat loss on the heating pipe of the injection molding machine, and meanwhile, the heating pipe can be effectively prevented from scalding operators.

Description

Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method
Technical Field
The invention relates to the technical field of heat insulation sleeves, in particular to a special glass fiber cloth heat insulation sleeve for heat insulation of an injection molding machine and a preparation method thereof.
Background
Currently, plastic products are typically injection molded using an injection molding machine. The working process mainly comprises the following steps: heating plastic material to melt, applying high pressure to the melted plastic material to inject the plastic material at 180-350 deg.c to fill the mold cavity and final setting to form the product.
The plastics that present injection molding machine made in the heating material pipe melt through the heater, because the heating material pipe exposes outside for heat on the heating material pipe is scattered in operational environment with the heat radiation form, causes the operational environment temperature to rise, leads to calorific loss, influences the heating efficiency of injection molding machine, has the risk that the heating material pipe scalded operating personnel scald simultaneously.
Disclosure of Invention
Aiming at the defects that the heat loss on the heating material pipe of the injection molding machine in the prior art affects the heating efficiency of the injection molding machine and has the risk of scalding operators, the invention provides the special glass fiber cloth heat insulation sleeve for the heat insulation of the injection molding machine and the preparation method thereof.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
The glass fiber cloth heat insulation sleeve special for heat insulation of the injection molding machine comprises an inner pipe sleeved on a heating material pipe of the injection molding machine and an outer pipe covered outside the inner pipe, wherein a heat insulation cavity is formed between the inner pipe and the outer pipe, and glass fiber cloth is filled in the heat insulation cavity; the inner pipe and the outer pipe can be arranged in a detachable mode.
By the structure, the thermal insulation sleeve formed by the outer pipe and the inner pipe has better thermal insulation performance because the glass fiber cloth is filled between the inner pipe and the outer pipe, so that the thermal insulation sleeve can better avoid heat loss on the heating pipe of the injection molding machine, and meanwhile, the heating pipe can be effectively prevented from scalding operators.
Preferably, the inner pipe comprises symmetrical semicircular inner half pipes, one end faces of the inner half pipes are provided with protruding blocks along the length direction, the other end faces of the inner half pipes are provided with grooves for the corresponding protruding blocks to extend into, and two end portions of each inner half pipe extend outwards to form supporting blocks for supporting the outer pipe.
Through the structure of the invention, the lug extends into the groove, so that the inner pipe can be better assembled and disassembled on the heating material pipe, and meanwhile, the supporting block can support the outer pipe, so that a heat insulation cavity is preferably formed.
Preferably, the outer pipe comprises a first outer half pipe and a second outer half pipe which are symmetrically arranged, one end part of the first outer half pipe is provided with a hinge block, the hinge block is provided with a hinge groove, and the side wall opposite to the hinge groove is relatively provided with a hinge hole; one end part of the second outer half pipe is provided with a hinge column extending into the corresponding hinge groove, and the hinge column is provided with a hinge shaft extending into the hinge hole; the other end of the first outer half pipe and the other end of the second outer half pipe both extend outwards to form fixing blocks, and the fixing blocks are connected through bolts.
Through the structure of the invention, the first outer half pipe and the second outer half pipe are hinged, and meanwhile, the outer pipe can be detached and arranged outside the inner pipe through fixedly connecting the fixing block by the bolt.
Preferably, the outer pipes are connected through a connecting piece, the connecting piece comprises a fixing ring, the fixing ring comprises half rings symmetrically arranged, two ends of each half ring extend outwards to form fixing portions, the fixing portions are connected through bolts, and the outer pipes are all connected in the fixing ring in a threaded mode.
Through the structure of the invention, the outer pipes sleeved outside the heating material pipe are spliced and connected, and meanwhile, the semi-rings are symmetrically arranged, so that the fixing rings can be better assembled and disassembled on the outer pipes through bolts.
Preferably, the first outer half pipe and the second outer half pipe are internally provided with heat preservation cavities with openings at two ends along the length direction of the outer pipe, and the heat preservation cavities are filled with heat insulation foam boards; the fixed ring is internally provided with a sliding groove along the circumferential direction of the fixed ring, the sliding grooves are internally provided with symmetrical and semicircular blocking blocks in a sliding manner, and the blocking blocks are used for blocking the opening of the heat preservation cavity.
Through the arrangement of the heat preservation cavity and the heat insulation foam plate, the outer pipe has better heat insulation performance, so that the formed heat insulation sleeve can further insulate heat of the heating material pipe, and meanwhile, the blocking ring can block the opening of the heat preservation cavity to prevent the heat insulation foam plate from falling.
Preferably, the end part of the blocking ring is provided with a clamping groove which is matched with the blocking ring and is used for the corresponding supporting block to be clamped in a sliding way.
Through the structure in the invention, the supporting block is clamped in the clamping groove, so that the inner pipe fixed on the heating material pipe can be aligned and spliced better, and the inner pipe can coat the heating material pipe better.
The invention also provides a preparation method of the special glass fiber cloth heat insulation sleeve for heat insulation of the injection molding machine, which comprises the following steps:
step one, preparation of an inner pipe and an outer pipe
Preparing an inner half pipe and an outer half pipe by injection molding of an injection molding machine, and assembling the first outer half pipe and the second outer half pipe;
step two, preprocessing of the heat insulation foam board
Cutting the shape of the heat insulation foam board, and filling the heat insulation foam board into the heat insulation cavity to form a prefabricated part of an outer pipe;
step three, assembling the glass fiber cloth heat insulation sleeve
(1) Mutually clamping and fixing the inner half pipes on a heating material pipe of the injection molding machine, so that the inner pipes are fixed on the heating material pipe;
(2) fixing the corresponding first outer half pipe and the second outer half pipe outside the inner pipe fixed on the heating material pipe in the step (1) through bolts;
(3) cutting the glass fiber cloth and filling the glass fiber cloth between the inner pipe and the outer pipe in the step (2);
(4) sleeving a fixing ring on the heating material pipe through a bolt, screwing the fixing ring into the outer pipe in the step (3) through threads, performing the step (1) again to install another inner pipe on the heating material pipe, enabling a supporting block on the inner pipe to be clamped into the clamping groove in a sliding mode, achieving the purpose that the inner pipe is aligned and spliced on the heating material pipe, performing the step (2) next, screwing the threads of the outer pipe which is fixed again into the fixing ring, and performing the step (3) to achieve splicing connection of the outer pipe and the inner pipe on the heating material pipe;
(5) and (4) repeating the operation of the step (4), and preferably realizing the installation of the heat insulation sleeve on the heating material pipe.
Drawings
FIG. 1 is a schematic view of a fiberglass cloth heat insulating jacket for the insulation of an injection molding machine in example 1;
FIG. 2 is a schematic cross-sectional view of a fiberglass cloth insulating sleeve of example 1;
FIG. 3 is a partial schematic view of a first outer half pipe in example 1;
FIG. 4 is a partial schematic view of a second outer half pipe in example 1;
fig. 5 is a schematic view of the half ring and the plugging ring in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1-5, the present embodiment provides a fiberglass cloth heat insulation sleeve for heat insulation of an injection molding machine, which includes an inner tube 100 for covering a heating tube of the injection molding machine and an outer tube 110 covering the inner tube 100, a heat insulation cavity 211 is formed between the inner tube 100 and the outer tube 110, the heat insulation cavity 211 is filled with fiberglass cloth (not shown in the figures), and both the inner tube 100 and the outer tube 110 can be detached.
In this embodiment, the glass fiber cloth in the prior art is adopted, and is cut to a suitable size and then filled in the heat insulation cavity 211, and the sleeve composed of the outer tube 110 and the inner tube 100 is heat insulated by the heat insulation performance of the glass fiber cloth, so that heat loss on the heating material tube can be better avoided, and meanwhile, the heating material tube can be effectively prevented from scalding operators.
In this embodiment, the inner tube 100 includes a symmetrical and semicircular inner half-tube 220, a protrusion 221 is disposed on one end surface of the inner half-tube 220 along the length direction, a groove 222 for the protrusion 221 to extend into is disposed on the other end surface of the inner half-tube 220, and both ends of the inner half-tube 220 extend outward to form a supporting block 223 for supporting the outer tube 110.
Through the structure in the present embodiment, the inner tube 100 can be conveniently detachably sleeved on the heating tube by the protrusions 221 being clamped into the corresponding grooves 222, wherein the supporting blocks 223 can support the outer tube 110 by the supporting blocks 223, and the heat insulation cavity 211 is preferably formed between the outer tube 110 and the inner tube 100, so as to facilitate the filling of the glass fiber cloth.
In this embodiment, the outer tube 110 includes a first outer half tube 230a and a second outer half tube 230b that are symmetrically disposed, one end of the first outer half tube 230a is provided with a hinge block 310, the hinge block 310 is provided with a hinge slot 311, and the opposite side walls of the hinge slot 311 are provided with hinge holes 312; one end of the second outer half tube 230b is provided with a hinge post 410 extending into the corresponding hinge slot 311, and the hinge post 410 is provided with a hinge shaft 411 extending into the hinge hole 312; the other ends of the first and second outer half- pipes 230a and 230b extend outward to form fixing blocks 320, and the fixing blocks 320 are connected by bolts.
By the configuration of the present embodiment, the hinge column 410 extends into the hinge slot 311 and the hinge shaft 411 extends into the hinge hole 312, and the hinge column 410 is preferably hinged to the hinge block 310, so as to realize the hinged connection between the first outer half-pipe 230a and the second outer half-pipe 230b, wherein the outer pipe 110 can be detachably sleeved outside the inner pipe 100 by the fixing block 320 and the bolts.
In this embodiment, the outer tubes 110 are connected by the connecting member 120, the connecting member 120 includes a fixing ring, the fixing ring includes symmetrically disposed half rings 510, two ends of the half rings 510 extend outward to form fixing portions 511, the fixing portions 511 are connected by bolts, and the outer tubes 110 are all screwed in the fixing ring 510.
Through the structure in the embodiment, the splicing connection between the outer pipes 110 is preferably realized, so that the sleeve connection of the heat insulation sleeve on the heating material pipe is facilitated; meanwhile, the semi-ring symmetry enables the fixing ring to be easily attached to and detached from the outer tube 110 by the bolt connection fixing portion 511.
In this embodiment, the first outer half-pipe 230a and the second outer half-pipe 230b are both provided with a heat preservation cavity 231 with two open ends along the length direction of the outer pipe 110, and the heat preservation cavity 231 is filled with a heat insulation foam board (not shown in the figure); the fixed ring is internally provided with a sliding groove along the circumferential direction of the fixed ring, the sliding grooves are internally provided with symmetrical and semicircular blocking blocks 520 in a sliding manner, and the blocking blocks 520 are used for blocking the opening of the heat preservation cavity 231.
Through the structure in the embodiment, the heat insulation foam board is filled in the heat insulation cavity 231, so that the outer pipe 110 has better heat insulation performance by utilizing the heat insulation performance of the heat insulation foam board, and the formed heat insulation sleeve can further insulate heat of the heating material pipe; wherein, through the setting of spout and stifled ring 520 for stifled ring 520 can rotate and install in the fixed ring, makes it can be better to the opening of heat preservation chamber 231 shutoff, avoids dropping of the thermal-insulated cystosepiment in the heat preservation chamber 231.
In this embodiment, the end of the blocking ring 520 is provided with a locking groove 521 for the corresponding supporting block 223 to be slidably locked.
Through the structure in the embodiment, when the inner tube 100 is sleeved on the heating material tube, the supporting block 223 is clamped into the clamping groove 521, so that the inner tube 100 fixed on the heating material tube can be aligned and spliced, and the inner tube 100 can be wrapped on the heating material tube.
The embodiment also provides a preparation method of the glass fiber cloth heat insulation sleeve special for heat insulation of the injection molding machine, which specifically comprises the following steps:
step one, preparation of an inner pipe and an outer pipe
Preparing the inner half-pipe 220 and the outer half-pipe 110 by injection molding using an injection molding machine, and assembling the first outer half-pipe 230a and the second outer half-pipe 230 b;
step two, preprocessing of the heat insulation foam board
Cutting the shape of the heat insulation foam sheet and filling it in the heat insulation cavity 231 to form a preform of the outer tube 110;
step three, assembling the glass fiber cloth heat insulation sleeve
(1) Mutually clamping and fixing the inner half pipes 220 on a heating material pipe of the injection molding machine, so that the inner pipe 100 is fixed on the heating material pipe;
(2) fixing the corresponding first outer half-pipe 230a and second outer half-pipe 230b outside the inner pipe 100 fixed on the heating pipe in step (1) by bolts;
(3) cutting the glass fiber cloth and filling the glass fiber cloth between the inner tube 100 and the outer tube 110 in the step (2);
(4) sleeving a fixing ring on the heating material pipe through a bolt, screwing the fixing ring into the outer pipe 110 in the step (3) through threads, performing the operation of the step (1) again to install another inner pipe 100 on the heating material pipe, enabling a supporting block 223 on the inner pipe 100 to be clamped into a clamping groove 521 in a sliding mode, achieving that the inner pipe 100 is aligned and spliced on the heating material pipe, performing the operation of the step (2) next, screwing the outer pipe 110 which is fixed again into the fixing ring 510 through threads, and performing the operation of the step (3) to achieve splicing connection of the outer pipe 110 and the inner pipe 100 on the heating material pipe;
(5) and (4) repeating the operation of the step (4), and preferably realizing the installation of the heat insulation sleeve on the heating material pipe.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (7)

1. A fine cloth radiation shield of glass for injection molding machine heat preservation dedicated, its characterized in that: the heat insulation device comprises an inner tube (100) sleeved on a heating material tube of an injection molding machine and an outer tube (110) covered outside the inner tube (100), wherein a heat insulation cavity (211) is formed between the inner tube (100) and the outer tube (110), and glass fiber cloth is filled in the heat insulation cavity (211); the inner pipe (100) and the outer pipe (110) can be arranged in a detachable mode.
2. The fiberglass cloth heat insulation sleeve special for heat insulation of an injection molding machine according to claim 1, characterized in that: the inner pipe (100) comprises symmetrical semicircular inner half pipes (220), a protruding block (221) is arranged on one end face of each inner half pipe (220) along the length direction, a groove (222) for the corresponding protruding block (221) to extend into is formed in the other end face of each inner half pipe (220), and two end portions of each inner half pipe (220) extend outwards to form supporting blocks (223) used for supporting the outer pipe (110).
3. The fiberglass cloth heat insulation sleeve special for heat insulation of an injection molding machine according to claim 1, characterized in that: the outer pipe (110) comprises a first outer half pipe (230a) and a second outer half pipe (230b) which are symmetrically arranged, one end part of the first outer half pipe (230a) is provided with a hinge block (310), the hinge block (310) is provided with a hinge groove (311), and the opposite side walls of the hinge groove (311) are relatively provided with hinge holes (312); one end part of the second outer half pipe (230b) is provided with a hinge column (410) extending into the corresponding hinge groove (311), and the hinge column (410) is provided with a hinge shaft (411) extending into the hinge hole (312); the other ends of the first outer half pipe (230a) and the second outer half pipe (230b) extend outwards to form fixing blocks (320), and the fixing blocks (320) are connected through bolts.
4. The fiberglass cloth heat insulating sleeve special for injection molding machine heat insulation of claim 3, wherein: the outer pipe (110) are connected through the connecting piece (120), the connecting piece (120) comprises a fixing ring, the fixing ring comprises symmetrically arranged half rings (510), two ends of each half ring (510) extend outwards to form fixing portions (511), the fixing portions (511) are connected through bolts, and the outer pipe (110) is connected in the fixing ring (510) in a threaded mode.
5. The fiberglass cloth heat insulation sleeve special for heat insulation of an injection molding machine according to claim 4, characterized in that: heat preservation cavities (231) with two open ends are arranged in the first outer half pipe (230a) and the second outer half pipe (230b) along the length direction of the outer pipe (110), and heat insulation foam plates are filled in the heat preservation cavities (231); the fixed ring is internally provided with a sliding groove along the circumferential direction of the fixed ring, the sliding groove is internally provided with symmetrical and semicircular blocking blocks (520) in a sliding way, and the blocking blocks (520) are used for blocking the opening of the heat preservation cavity (231).
6. The fiberglass cloth heat insulation sleeve special for heat insulation of an injection molding machine according to claim 5, characterized in that: the end part of the blocking ring (520) is provided with a clamping groove (521) which is matched with the blocking ring and is used for the corresponding supporting block (223) to be clamped in a sliding way.
7. The preparation method of the special fiberglass cloth heat insulation sleeve for the heat insulation of the injection molding machine based on any one of claims 1 to 6 comprises the following steps:
step one, prefabricating equipment for glass fiber cloth heat insulation sleeve
Preparing an inner half pipe (220) and an outer half pipe (110) by injection molding through an injection molding machine, and assembling a first outer half pipe (230a) and a second outer half pipe (230 b);
step two, preprocessing of the heat insulation foam board
Cutting the shape of the heat insulation foam board and filling the heat insulation foam board in the heat insulation cavity (231);
step three, installing the glass fiber cloth heat insulation sleeve on the heating material pipe of the injection molding machine
(1) Mutually clamping and fixing the inner half pipes (220) on the heating material pipe of the injection molding machine;
(2) fixing the corresponding first outer half pipe (230a) and the second outer half pipe (230b) outside the inner pipe (100) fixed on the heating material pipe in the step (1) through bolts;
(3) cutting the glass fiber cloth and filling the glass fiber cloth between the inner tube (100) and the outer tube (110) in the step (2);
(4) connecting a fixing ring through a bolt, screwing the thread of the fixing ring into the outer pipe (110) in the step (3), performing the step (1) again to install another inner pipe (100) on the heating material pipe, enabling a supporting block (223) on the inner pipe (100) to be clamped into the clamping groove (521) in a sliding mode, performing the step (2) next, screwing the thread of the outer pipe (110) which is fixed again into the fixing ring (510), and performing the step (3);
(5) and (5) repeating the operation of the step (4).
CN202110889149.XA 2021-08-04 2021-08-04 Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method Withdrawn CN113531296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110889149.XA CN113531296A (en) 2021-08-04 2021-08-04 Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110889149.XA CN113531296A (en) 2021-08-04 2021-08-04 Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method

Publications (1)

Publication Number Publication Date
CN113531296A true CN113531296A (en) 2021-10-22

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ID=78121964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110889149.XA Withdrawn CN113531296A (en) 2021-08-04 2021-08-04 Special glass fiber cloth heat insulation sleeve for heat insulation of injection molding machine and preparation method

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116576340A (en) * 2023-07-11 2023-08-11 河北海润管道制造有限公司 Corrosion-resistant heat-insulating pipeline

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116576340A (en) * 2023-07-11 2023-08-11 河北海润管道制造有限公司 Corrosion-resistant heat-insulating pipeline
CN116576340B (en) * 2023-07-11 2023-09-12 河北海润管道制造有限公司 Corrosion-resistant heat-insulating pipeline

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Application publication date: 20211022