CN117484710B - Extruder is used in production of CPVC cable pipe - Google Patents

Extruder is used in production of CPVC cable pipe Download PDF

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Publication number
CN117484710B
CN117484710B CN202311411208.8A CN202311411208A CN117484710B CN 117484710 B CN117484710 B CN 117484710B CN 202311411208 A CN202311411208 A CN 202311411208A CN 117484710 B CN117484710 B CN 117484710B
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China
Prior art keywords
raw material
extruder
vertical rod
transmission
mixing
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Application number
CN202311411208.8A
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Chinese (zh)
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CN117484710A (en
Inventor
娄玉清
陈海昆
陈磊
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Jiangsu Qianjin Plastics Technology Co ltd
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Jiangsu Qianjin Plastics Technology Co ltd
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Priority to CN202311411208.8A priority Critical patent/CN117484710B/en
Publication of CN117484710A publication Critical patent/CN117484710A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • 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
    • B29C48/025—General arrangement or layout of plant
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses an extruder for producing CPVC cable pipes, and relates to the technical field of CPVC cable pipe extruders. According to the invention, in the raw material processing and mixing process of the raw material tank connected with the extruder, raw materials positioned at the center and the outer side of the raw material tank can be exchanged, so that the raw material temperatures at the center and the edge of the tank body are kept close in the raw material mixing process, and no internal and external temperature difference exists.

Description

Extruder is used in production of CPVC cable pipe
Technical Field
The invention relates to the technical field of CPVC cable tube extruders, in particular to an extruder for producing CPVC cable tubes.
Background
The cable pipe is also called as a cable protection pipe, and is a metal protection pipe with certain mechanical strength, which is laid on the outer layer of the cable to prevent the cable from being damaged, and the cable protection pipe is mainly arranged on the section where the communication cable and the power line are crossed to prevent the short-circuit accident caused by the broken line of the power line;
The cable pipe is generally manufactured by adopting CPVC as a raw material, and during the production, the raw material is firstly added into a storage tank of an extruder, then the raw material in the storage tank is heated and melted, then the raw material is extruded by the extruder, and finally the finished product extruded by the extruder is cooled and shaped, so that a finished product piece can be obtained.
When the CPVC cable tube is processed, raw materials are required to be melted firstly and then extruded and molded by an extruder, a raw material tank connected with the extruder is heated externally, and the temperature difference exists between the inner side and the outer side of the raw material tank, so that the raw material extruded by the extruder has defects after being molded; therefore, the existing requirements are not met, and an extruder for producing CPVC cable tubes is provided.
Disclosure of Invention
The invention aims to provide an extruder for producing CPVC cable pipes, which aims to solve the problems that raw materials are required to be melted and then extruded and molded by the extruder in the processing of the CPVC cable pipes in the prior art, and the raw material tanks connected by the extruder are heated externally, so that temperature difference exists between the inner side and the outer side of the raw material tanks, and defects exist after the raw materials extruded by the extruder are molded.
In order to achieve the above purpose, the present invention provides the following technical solutions: the extruder for producing the CPVC cable pipe comprises a screw extruder, wherein an extruder storage box is arranged above the screw extruder, a connecting pipe is connected to the top end of the extruder storage box, a raw material conveying pump is arranged at the other end of the connecting pipe, a raw material mixing and heating barrel is arranged above the raw material conveying pump, the raw material mixing and heating barrel is connected with the raw material conveying pump through a pipeline, and a mixing and stirring mechanism and a raw material internal-external exchange mechanism are arranged inside the raw material mixing and heating barrel;
The mixing stirring mechanism comprises a driving motor, a central rotating shaft, a stirring rod and an L-shaped mixing stirring blade, wherein the driving motor is positioned at one side of the top end of the central rotating shaft, the stirring rod is fixed outside the central rotating shaft, the L-shaped mixing stirring blade is fixed at the outer side of the stirring rod, a plurality of transmission teeth are arranged on the outer surface of the end part of the L-shaped mixing stirring She Wanshe, the driving motor and the central rotating shaft are in transmission through two meshed gears, and a suspension ring is fixedly arranged at the outer side of the top end of the central rotating shaft and is rotationally clamped in the inner wall of the raw material mixing heating barrel;
The raw material internal-external exchange mechanism comprises a central vertical rod, a peripheral vertical rod, a rotary exchange impeller and a power connection assembly, wherein the rotary exchange impeller is movably arranged on the central vertical rod and the peripheral vertical rod, the L-shaped mixing stirring blade is in contact with the power connection assembly and runs along with the rotation of the stirring rod and the central rotating shaft, and then the power assembly drives the rotary exchange impeller to rotate so as to exchange the positions of raw materials at the inner center and the edge of the raw material mixing heating barrel;
The power connection assembly further comprises a first transmission shaft rod and a second transmission shaft rod, the first transmission shaft rod is located in the peripheral vertical rod, the second transmission shaft rod is located in the central vertical rod, a plurality of equidistant transmission belt pulleys are arranged on the outer surfaces of the first transmission shaft rod and the second transmission shaft rod, transmission belts are sleeved on the outer sides of the transmission belt pulleys, synchronous belt pulleys are arranged on the inner sides of the other ends of the transmission belt pulleys, impeller rotating shafts are arranged in the middle of the synchronous belt pulleys in a penetrating mode, and rotating exchange impellers located below the synchronous belt pulleys are arranged at the bottom ends of the impeller rotating shafts in a penetrating mode.
Preferably, the top outside of second transmission axostylus axostyle is fixed and is provided with reverse synchromesh, the centre of reverse synchromesh runs through and is provided with the support pivot, the top outside of support pivot is provided with reverse drive gear, one side of reverse drive gear and the top outside of first transmission axostylus axostyle all are provided with meshing drive gear, the transmission tooth of meshing drive gear and L shape mixing stirring She Wanshe tip surface and the reverse drive gear of meshing drive gear contact all keep meshing.
Preferably, the annular clamping groove is embedded with a sealing ring, and the outer edge of the sealing ring is clamped in the inner walls of the central vertical rod and the peripheral vertical rod to rotationally rub with the central vertical rod and the peripheral vertical rod.
Preferably, a positioning shaft rod is arranged in the middle of the meshing transmission gear which is meshed with the reverse driving gear in a penetrating way, two ends of the positioning shaft rod are inserted into the inner wall of the central vertical rod, ball bearings are arranged on the outer side of the end part of the positioning shaft rod, annular grooves are formed in the upper surface and the lower surface of the meshing transmission gear, alloy sealing rings are inlaid in the inner side of the annular grooves, and the alloy sealing rings are clamped in the inner walls of the central vertical rod and the peripheral vertical rod and are in sliding connection with the central vertical rod and the peripheral vertical rod.
Preferably, the top of raw materials hybrid heating bucket is provided with two feed hoppers, the bottom inboard of feed hoppers is provided with the solenoid valve, the inside hot plate that is provided with two C shapes and symmetry of casing of raw materials hybrid heating bucket, the inside heating wire that is provided with of hot plate, the heating wire passes through the wire connection with external power source.
Preferably, the space size between the bottom of the central vertical rod and the inner bottom surface of the raw material mixing and heating barrel is greater than five centimeters, four support columns are arranged between the central vertical rod and the raw material mixing and heating barrel, the top ends of the four support columns are fixed with the bottom of the central vertical rod through welding, four positioning holes are formed in the inner bottom surface of the raw material mixing and heating barrel, and the bottom ends of the support columns are inserted into the positioning holes.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, in the process of processing and mixing raw materials in the raw material tank connected with the extruder, the raw materials positioned at the center and the outer side of the raw material tank can be mutually exchanged, so that the raw material temperatures at the center and the edge of the tank body are kept close in the raw material mixing process, the temperature difference between the inside and the outside can not exist, and the raw materials can be mixed more fully and more uniformly when the raw materials are subjected to the inside and outside exchange, and the quality of a pipe formed by the raw materials extruded by the extruder after being molded can be effectively ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the mixing and stirring mechanism of the present invention;
FIG. 3 is a top view of the mixing and stirring mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3B in accordance with the present invention;
fig. 6 is an enlarged view of the structure of fig. 4C according to the present invention.
In the figure: 1. a screw extruder; 2. an extruder storage bin; 3. a connecting pipe; 4. raw material mixing and heating barrel; 5. a mixing and stirring mechanism; 501. a central spindle; 502. a stirring rod; 503. l-shaped mixing stirring blades; 504. a driving motor; 505. a suspension loop; 506. a drive tooth; 6. a raw material internal and external exchange mechanism; 601. a central vertical rod; 602. a peripheral vertical bar; 603. a first drive shaft; 604. a second drive shaft; 605. rotating the exchange impeller; 606. an impeller rotating shaft; 607. a synchronous pulley; 608. a drive pulley; 609. a drive belt; 610. meshing the transmission gear; 611. a reverse drive gear; 612. supporting a rotating shaft; 613. positioning a shaft lever; 614. a reverse synchronizing gear; 615. a reverse drive gear; 7. a raw material delivery pump; 8. a feed hopper; 9. and (5) heating the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The drive motor (model 100L1-2/3 KW) mentioned in the invention can be purchased from market or customized.
Referring to fig. 1 to 6, an embodiment of the present invention provides: the extruder for producing the CPVC cable pipe comprises a screw extruder 1, wherein an extruder storage box 2 is arranged above the screw extruder 1, the top end of the extruder storage box 2 is connected with a connecting pipe 3, the other end of the connecting pipe 3 is provided with a raw material conveying pump 7, a raw material mixing and heating barrel 4 is arranged above the raw material conveying pump 7, the raw material mixing and heating barrel 4 is connected with the raw material conveying pump 7 through a pipeline, and a mixing and stirring mechanism 5 and a raw material internal-external exchange mechanism 6 are arranged inside the raw material mixing and heating barrel 4;
The mixing stirring mechanism 5 comprises a driving motor 504, a central rotating shaft 501, a stirring rod 502 and an L-shaped mixing stirring blade 503, wherein the driving motor 504 is positioned at one side of the top end of the central rotating shaft 501, the stirring rod 502 is fixed outside the central rotating shaft 501, the L-shaped mixing stirring blade 503 is fixed at the outer side of the stirring rod 502, a plurality of transmission teeth 506 are arranged on the outer surface of the bent end part of the L-shaped mixing stirring blade 503, the driving motor 504 and the central rotating shaft 501 are in transmission through two meshed gears, a suspension ring 505 is fixedly arranged at the outer side of the top end of the central rotating shaft 501, and the suspension ring 505 is rotationally clamped in the inner wall of the raw material mixing heating barrel 4;
The raw material internal and external exchange mechanism 6 comprises a central vertical rod 601, a peripheral vertical rod 602, a rotary exchange impeller 605 and a power connection assembly, wherein the rotary exchange impeller 605 is movably installed on the central vertical rod 601 and the peripheral vertical rod 602, the L-shaped mixing stirring blade 503 is in contact with the power connection assembly and runs along with the power connection assembly when the stirring rod 502 and the central rotating shaft 501 rotate, and then the power assembly drives the rotary exchange impeller 605 to rotate so as to exchange positions of raw materials at the center and the edge inside the raw material mixing heating barrel 4;
The power connection assembly further comprises a first transmission shaft rod 603 and a second transmission shaft rod 604, the first transmission shaft rod 603 is located in the peripheral vertical rod 602, the second transmission shaft rod 604 is located in the central vertical rod 601, a plurality of equidistant transmission belt pulleys 608 are arranged on the outer surfaces of the first transmission shaft rod 603 and the second transmission shaft rod 604, a transmission belt 609 is sleeved on the outer side of the transmission belt pulleys 608, a synchronous belt pulley 607 is arranged on the inner side of the other end of the transmission belt 609, an impeller rotating shaft 606 is arranged in the middle of the synchronous belt pulley 607 in a penetrating mode, and the bottom end of the impeller rotating shaft 606 penetrates through a rotary exchanging impeller 605 located below the synchronous belt pulley 607.
The outer surfaces of the upper end and the lower end of the impeller rotating shaft 606 are respectively provided with an annular clamping groove, sealing rings are embedded in the annular clamping grooves, and the outer edges of the sealing rings are clamped in the inner walls of the central vertical rod 601 and the peripheral vertical rod 602 and are in rotary friction with the central vertical rod 601 and the peripheral vertical rod 602.
By adopting the technical scheme, gaps between the upper end and the lower end of the rotary exchanging impeller 605 and the central vertical rod 601 and the peripheral vertical rod 602 can be filled, and raw materials in the raw material mixing heating barrel 4 are prevented from penetrating into the central vertical rod 601 and the peripheral vertical rod 602 to prevent normal operation of internal parts of the central vertical rod 601 and the peripheral vertical rod 602.
The outer side of the top end of the second transmission shaft lever 604 is fixedly provided with a reverse synchronizing gear 614, a supporting rotating shaft 612 is arranged in the middle of the reverse synchronizing gear 614 in a penetrating way, a reverse driving gear 611 is arranged on the outer side of the top end of the supporting rotating shaft 612, one side of the reverse driving gear 611 and the outer side of the top end of the first transmission shaft lever 603 are both provided with a meshing transmission gear 610, and the meshing transmission gear 610 is meshed with the transmission gear 506 on the outer surface of the bending end part of the L-shaped mixing stirring blade 503 and the reverse driving gear 611 in contact with the meshing transmission gear 610.
Through adopting above-mentioned technical scheme for L shape mixing stirring leaf 503 carries out circular motion around the axis of central pivot 501 under the drive of central pivot 501 and puddler 502, and L shape mixing stirring leaf 503 is rotatory from the meshing drive gear 610 that can pass through when passing through in central vertical pole 601 and the peripheral vertical pole 602, makes all rotatory impeller 605 of exchanging rotate, carries out inside and outside position exchange in the raw materials that is located raw materials mixing heating barrel 4.
Wherein, run through in the middle of the meshing transmission gear 610 that keeps meshing with reverse drive gear 611 and be provided with location axostylus axostyle 613, the both ends of location axostylus axostyle 613 all peg graft in the inner wall of center vertical pole 601 and the tip outside is provided with ball bearing, and the upper and lower surface of meshing transmission gear 610 all is provided with the ring channel, and the inboard of ring channel is inlayed and is provided with alloy sealing ring, alloy sealing ring joint with center vertical pole 601, peripheral vertical pole 602 sliding connection in the inner wall of center vertical pole 601 and peripheral vertical pole 602.
By adopting the technical scheme, the alloy sealing rings positioned on the upper surface and the lower surface of the meshing transmission gear 610 seal gaps between the 60 and the central vertical rod 601 and the peripheral vertical rod 602 while the rotation of the meshing transmission gear 610 is not affected, so that raw materials positioned in the raw material mixing and heating barrel 4 can be prevented from penetrating into the central vertical rod 601 and the peripheral vertical rod 602.
Wherein, interval size between the bottom of center vertical pole 601 and the inside bottom surface of raw materials mixed heating bucket 4 is greater than five centimeters, and center vertical pole 601 is provided with four support columns with the centre of raw materials mixed heating bucket 4, and welded fastening is passed through with the bottom of center vertical pole 601 on the top of four support columns, and the inside bottom surface of raw materials mixed heating bucket 4 is provided with four locating holes, and the bottom of support column is pegged graft in the locating hole.
Through adopting above-mentioned technical scheme, support column center vertical pole 601 supports and keeps there is the clearance between center vertical pole 601 and the raw materials mixed heating bucket 4 bottom surface, and center vertical pole 601 bottom can not cause the shielding to the raw materials export of raw materials mixed heating bucket 4 bottom for the raw materials can be smooth flow out from raw materials mixed heating bucket 4.
Wherein, the top of raw materials hybrid heating bucket 4 is provided with two feed hoppers 8, and the bottom inboard of feed hoppers 8 is provided with the solenoid valve, and the inside hot plate 9 that is provided with two C shapes and symmetry of casing of raw materials hybrid heating bucket 4, hot plate 9 are inside to be provided with the heating wire, and the heating wire passes through the wire connection with external power source.
Through adopting above-mentioned technical scheme, can follow outside to raw materials mixed heating bucket 4 in midway add the raw materials, can heat the inside raw materials of raw materials mixed heating bucket 4 through hot plate 9, avoid the inside raw materials temperature of raw materials mixed heating bucket 4 to reduce and appear solidifying.
Working principle: firstly, raw materials for producing cable tubes are fed into a raw material mixing heating barrel 4, an integral power supply of an extruder is connected, a heating plate 9 is electrified and generates heat after the power supply is connected, the heat is transmitted to the raw materials in the raw material mixing heating barrel 4 through a shell of the raw material mixing heating barrel 4, when the raw materials in the raw material mixing heating barrel 4 are heated and melted by the heating plate 9, a driving motor 504 can be started to drive a central rotating shaft 501 and a stirring rod 502 to rotate around the axis of the central rotating shaft 501, at the moment, an L-shaped mixing stirring blade 503 can synchronously rotate under the driving of the stirring rod 502, and at the moment, the rotating L-shaped mixing stirring blade 503 can pass through the middle of a central vertical rod 601 and a peripheral vertical rod 602 in a rotating way;
When the L-shaped mixing stirring blade 503 passes through the middle of the central vertical rod 601 and the peripheral vertical rod 602, the central vertical rod 601 and the meshed transmission gear 610 in the peripheral vertical rod 602 are driven to rotate, the meshed transmission gear 610 drives the first transmission shaft 603 and the reverse driving gear 611 to rotate when rotating, at the moment, the reverse driving gear 611 drives the supporting rotating shaft 612 to rotate so that the reverse synchronous gear 614 and the reverse transmission gear 615 which is meshed with the reverse synchronous gear 614 are synchronously rotated, at the moment, the reverse driving gear 615 drives the second transmission shaft 604 to rotate, at the same time, the first transmission shaft 603 which is positioned in the peripheral vertical rod 602 and is directly connected with the meshed transmission gear 610 can simultaneously rotate, the rotation directions of the first transmission shaft 603 and the second transmission shaft 604 are completely opposite, at the moment, the first transmission shaft 603 and the second transmission shaft 604 can drive the transmission belt 608 to rotate, the transmission belt pulley 608 drives the synchronous belt 607 to rotate through the transmission belt, at the moment, the synchronous belt pulley 606 can drive the impeller 606 to rotate around the axis of the impeller shaft 606, at the moment, the two rotating exchange impellers 605 which are opposite in the rotation direction of the same layer can drive the second transmission shaft 605 to rotate, at the moment, the two rotating exchange drums 605 can be positioned at the center 4 and the edge of the mixing temperature of the mixing tank is kept at the temperature which is lower than the edge of the heating temperature of the mixing tank, and the mixing temperature of the raw materials is kept at the edge 4, the heating temperature is kept at the edge of the mixing temperature is kept at the edge of the heating temperature, and the temperature of the mixing temperature is kept at the edge temperature of the mixing temperature is at the edge temperature of the heating temperature of the raw materials is at the edge temperature and the edge is heated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. Extruder for producing CPVC cable pipe, including screw extruder (1), its characterized in that: the novel material mixing and stirring device is characterized in that an extruder storage box (2) is arranged above the screw extruder (1), a connecting material pipe (3) is connected to the top end of the extruder storage box (2), a raw material conveying pump (7) is arranged at the other end of the connecting material pipe (3), a raw material mixing and heating barrel (4) is arranged above the raw material conveying pump (7), the raw material mixing and heating barrel (4) is connected with the raw material conveying pump (7) through a pipeline, and a mixing and stirring mechanism (5) and a raw material internal-external exchange mechanism (6) are arranged inside the raw material mixing and heating barrel (4);
The mixing stirring mechanism (5) comprises a driving motor (504), a central rotating shaft (501), a stirring rod (502) and an L-shaped mixing stirring blade (503), wherein the driving motor (504) is positioned at one side of the top end of the central rotating shaft (501), the stirring rod (502) is fixed outside the central rotating shaft (501), the L-shaped mixing stirring blade (503) is fixed outside the stirring rod (502), a plurality of transmission teeth (506) are arranged on the outer surface of the bent end part of the L-shaped mixing stirring blade (503), the driving motor (504) and the central rotating shaft (501) are in transmission through two meshed gears, and a suspension ring (505) is fixedly arranged at the outer side of the top end of the central rotating shaft (501) and is rotationally clamped in the inner wall of the raw material mixing heating barrel (4);
The raw material internal and external exchange mechanism (6) comprises a central vertical rod (601), a peripheral vertical rod (602), a rotary exchange impeller (605) and a power connection assembly, wherein the rotary exchange impeller (605) is movably installed on the central vertical rod (601) and the peripheral vertical rod (602), the L-shaped mixing stirring blade (503) is contacted with the power connection assembly and drives the power connection assembly to operate when rotating along with the stirring rod (502) and the central rotating shaft (501), and then the power assembly drives the rotary exchange impeller (605) to rotate so as to exchange the positions of raw materials at the inner center and the edge of the raw material mixing heating barrel (4);
The power connection assembly further comprises a first transmission shaft lever (603) and a second transmission shaft lever (604), the first transmission shaft lever (603) is located in the peripheral vertical rod (602), the second transmission shaft lever (604) is located in the central vertical rod (601), a plurality of transmission pulleys (608) distributed at equal intervals are arranged on the outer surfaces of the first transmission shaft lever (603) and the second transmission shaft lever (604), a transmission belt (609) is sleeved on the outer side of the transmission pulley (608), a synchronous pulley (607) is arranged on the inner side of the other end of the transmission belt (609), an impeller rotating shaft (606) is arranged in the middle of the synchronous pulley (607) in a penetrating mode, and the bottom end of the impeller rotating shaft (606) penetrates through a rotary exchange impeller (605) located below the synchronous pulley (607);
The top outside of second transmission axostylus axostyle (604) is fixed and is provided with reverse synchromesh (614), the centre of reverse synchromesh (614) runs through and is provided with support pivot (612), the top outside of support pivot (612) is provided with reverse drive gear (611), one side of reverse drive gear (611) and the top outside of first transmission axostylus axostyle (603) all are provided with meshing drive gear (610), meshing drive gear (610) all keep meshing with transmission tooth (506) of the tip surface of buckling of L shape mixing stirring leaf (503) and reverse drive gear (611) of meshing drive gear (610) contact.
2. The extruder for producing CPVC cable tubing according to claim 1, wherein: a positioning shaft rod (613) is arranged in the middle of a meshing transmission gear (610) which is meshed with the reverse driving gear (611) in a penetrating way, two ends of the positioning shaft rod (613) are inserted into the inner wall of the central vertical rod (601), and ball bearings are arranged on the outer sides of the end parts.
3. The extruder for producing CPVC cable tubing according to claim 1, wherein: the upper surface and the lower surface of meshing transmission gear (610) all are provided with the ring channel, the inboard of ring channel is inlayed and is provided with alloy sealing ring, alloy sealing ring joint is in central vertical pole (601) and peripheral vertical pole (602) inner wall with central vertical pole (601), peripheral vertical pole (602) sliding connection.
4. The extruder for producing CPVC cable tubing according to claim 1, wherein: the outer surfaces of the upper end and the lower end of the impeller rotating shaft (606) are respectively provided with an annular clamping groove, sealing rings are embedded in the annular clamping grooves, and the outer edges of the sealing rings are clamped in the inner walls of the central vertical rod (601) and the peripheral vertical rod (602) in a rotary friction manner with the central vertical rod (601) and the peripheral vertical rod (602).
5. The extruder for producing CPVC cable tubing according to claim 1, wherein: the top of raw materials mix heating bucket (4) is provided with two feed hopper (8), the bottom inboard of feed hopper (8) is provided with the solenoid valve.
6. The extruder for producing CPVC cable tubing according to claim 1, wherein: the heating barrel is characterized in that two C-shaped and symmetrical heating plates (9) are arranged inside a shell of the raw material mixing heating barrel (4), heating wires are arranged inside the heating plates (9), and the heating wires are connected with an external power supply through wires.
7. The extruder for producing CPVC cable tubing according to claim 1, wherein: the space size between the bottom end of the central vertical rod (601) and the inner bottom surface of the raw material mixing and heating barrel (4) is greater than five centimeters, and four support columns are arranged between the central vertical rod (601) and the raw material mixing and heating barrel (4).
8. The extruder for producing CPVC cable tubing according to claim 7, wherein: the top of four the support column passes through welded fastening with the bottom of central vertical pole (601), the inside bottom surface of raw materials hybrid heating bucket (4) is provided with four locating holes, the bottom of support column is pegged graft in the locating hole.
CN202311411208.8A 2023-10-29 2023-10-29 Extruder is used in production of CPVC cable pipe Active CN117484710B (en)

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CN202311411208.8A CN117484710B (en) 2023-10-29 2023-10-29 Extruder is used in production of CPVC cable pipe

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CN202311411208.8A CN117484710B (en) 2023-10-29 2023-10-29 Extruder is used in production of CPVC cable pipe

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CN117484710A CN117484710A (en) 2024-02-02
CN117484710B true CN117484710B (en) 2024-06-07

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Citations (9)

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JP2009006607A (en) * 2007-06-28 2009-01-15 Bridgestone Corp Extruder with gear pump
JP2009012272A (en) * 2007-07-04 2009-01-22 Sekisui Chem Co Ltd Manufacturing method of fire-resistant molded product, fire-resistant molded article made by the same and fireproofing structure
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WO2020147843A1 (en) * 2019-01-18 2020-07-23 苏州舒跃碳吸附剂有限公司 Mixing and stirring apparatus for producing carbon adsorbent
CN214645686U (en) * 2020-12-21 2021-11-09 江苏乾锦塑业科技有限公司 Mixture feeding device is used in production of high strength high temperature resistant CPVC cable protection pipe
CN113997539A (en) * 2021-10-25 2022-02-01 安徽高伟新材料科技有限公司 Extrusion device is used in processing of polymer sheet
CN217544260U (en) * 2022-05-18 2022-10-04 内蒙古万蒙电缆有限责任公司 Cable insulation extruder
CN217573599U (en) * 2022-06-10 2022-10-14 天津鲁源塑料制品有限公司 Preparation facilities of polyester engineering plastics modified polypropylene

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1170523A (en) * 1997-08-29 1999-03-16 Matsushita Electric Works Ltd Apparatus for producing resin molding material
JP2009006607A (en) * 2007-06-28 2009-01-15 Bridgestone Corp Extruder with gear pump
JP2009012272A (en) * 2007-07-04 2009-01-22 Sekisui Chem Co Ltd Manufacturing method of fire-resistant molded product, fire-resistant molded article made by the same and fireproofing structure
CN108715672A (en) * 2018-05-31 2018-10-30 保定百恩杰生物科技有限公司 Degradation material and preparation method thereof with high degradation rate and mechanics power
WO2020147843A1 (en) * 2019-01-18 2020-07-23 苏州舒跃碳吸附剂有限公司 Mixing and stirring apparatus for producing carbon adsorbent
CN214645686U (en) * 2020-12-21 2021-11-09 江苏乾锦塑业科技有限公司 Mixture feeding device is used in production of high strength high temperature resistant CPVC cable protection pipe
CN113997539A (en) * 2021-10-25 2022-02-01 安徽高伟新材料科技有限公司 Extrusion device is used in processing of polymer sheet
CN217544260U (en) * 2022-05-18 2022-10-04 内蒙古万蒙电缆有限责任公司 Cable insulation extruder
CN217573599U (en) * 2022-06-10 2022-10-14 天津鲁源塑料制品有限公司 Preparation facilities of polyester engineering plastics modified polypropylene

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