CN114103059B - Extrusion device with cooling function for processing plastic pipe - Google Patents
Extrusion device with cooling function for processing plastic pipe Download PDFInfo
- Publication number
- CN114103059B CN114103059B CN202111439726.1A CN202111439726A CN114103059B CN 114103059 B CN114103059 B CN 114103059B CN 202111439726 A CN202111439726 A CN 202111439726A CN 114103059 B CN114103059 B CN 114103059B
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- Prior art keywords
- pipe
- side wall
- box body
- annular
- plastic
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- 239000004033 plastic Substances 0.000 title claims abstract description 113
- 229920003023 plastic Polymers 0.000 title claims abstract description 113
- 238000001816 cooling Methods 0.000 title claims abstract description 104
- 238000012545 processing Methods 0.000 title claims abstract description 12
- 238000001125 extrusion Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000004321 preservation Methods 0.000 claims abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 33
- 235000011089 carbon dioxide Nutrition 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding 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
- B29C48/03—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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an extrusion device with a cooling function for processing plastic pipes, which belongs to the technical field of plastic pipe processing equipment; the heat-preservation feeding hopper is fixedly arranged on the left side of the top surface of the box body, and a sealing cover is rotatably arranged at the opening end of the upper side of the heat-preservation feeding hopper through a hinge; the heat conducting pipe is fixedly arranged on the left side wall in the cooling cavity, and the left end of the heat conducting pipe is fixedly communicated with the discharge end of the plastic extruder body; the plastic pipe is arranged in the heat conduction pipe in a penetrating way; the annular cooling box is fixedly sleeved on the outer side wall of the liquid guide pipe; the upper end of the feeding pipe penetrates through the top surface of the box body and then is communicated with the bottom of the heat-preserving feeding hopper; the uniform adjusting mechanism is arranged in the annular cooling box; one side of the pipeline guiding-out mechanism is arranged in the box body, and the other side of the pipeline guiding-out mechanism is arranged on the right side of the box body; the cooling speed of the plastic pipe after extrusion is greatly improved, the deformation of the pipe is reduced, and the yield of the pipe is improved.
Description
Technical Field
The invention relates to the technical field of plastic pipe processing equipment, in particular to an extrusion device with a cooling function for plastic pipe processing.
Background
With the continuous development of industrial production, the plastic pipeline industry in China is also developed faster, and the quality of plastic pipes is also improved continuously. At present, plastic pipe industries have been primarily developed that are based on polyvinyl chloride pipe, polyethylene pipe, and polypropylene pipe. The polyethylene pipe is widely used in building water supply, building drainage, buried drainage pipe, building heating, gas transmission and distribution, gas transmission pipe, electrician and telecommunication protective sleeve, industrial pipe, agricultural pipe, etc. because of its own unique advantages.
However, in the prior art, in the process of processing and producing the plastic pipe, the plastic master batch is often required to be processed into the shape of the pipe, but the pipe is softer due to higher temperature of the just-formed pipe, and deformation of the pipe is often caused due to slower cooling, so that the yield of the plastic pipe is greatly reduced, and the cost of producing and processing the plastic pipe is increased.
Disclosure of Invention
The invention aims at overcoming the defects and shortcomings of the prior art, and provides the extrusion device for processing the plastic pipe with the cooling function, which has the advantages of simple structure, reasonable design and convenient use, greatly improves the cooling speed of the plastic pipe after extrusion, reduces the deformation of the pipe and improves the yield of the pipe.
In order to achieve the above purpose, the invention adopts the following technical scheme: it comprises a plastic extruder body and a box body; the discharging end on the right side of the plastic extruder body is fixedly sleeved with a box body, supporting legs are vertically and fixedly arranged on four corners of the bottom of the box body, a liquid inlet and outlet pipe is arranged at the bottom of the box body in a penetrating manner, an opening is arranged on the right side wall of the box body, and the inside of the box body is divided into a cooling cavity and a drying cavity through a partition plate; axial flow fans are arranged on the top surface and the bottom surface of the drying cavity; a heating pipe is fixedly arranged on the inner side wall of the drying cavity, and the axial flow fan and the heating pipe are connected with an external power supply;
it also comprises:
the heat-insulating feeding hopper is fixedly arranged on the left side of the top surface of the box body, a sealing cover is rotatably arranged at the opening end of the upper side of the heat-insulating feeding hopper through a hinge, and the other side of the sealing cover is fixedly connected with the right side wall of the heat-insulating feeding hopper through a hasp;
the heat conducting pipe is fixedly arranged on the left side wall in the cooling cavity, and the left end of the heat conducting pipe is fixedly communicated with the discharge end of the plastic extruder body; the plastic pipe is arranged in the heat conduction pipe in a penetrating way;
the left side wall of the annular cooling box is fixedly arranged on the left side wall of the inside of the cooling cavity, and the annular cooling box is fixedly sleeved on the outer side wall of the liquid guide pipe; the upper end of the feeding pipe penetrates through the top surface of the box body and then is communicated with the bottom of the heat-preserving feeding hopper; the bottom of the annular cooling box is fixedly connected with an air duct, and the lower end of the air duct passes through the bottom surface of the box body and is connected with an external compressor;
the sealing ring is fixedly arranged at the opening end of the middle part of the partition plate, the plastic pipe penetrates through the middle part of the sealing ring, and the inner side wall of the sealing ring is in abutting arrangement with the outer side wall of the plastic pipe;
the uniform adjusting mechanism is arranged in the annular cooling box;
the pipeline guiding mechanism is arranged in the box body on one side, and is arranged on the right side of the box body on the other side.
Preferably, the uniform adjustment mechanism comprises:
the annular insection is fixedly arranged on the inner side wall of the annular cooling box;
the annular plate is movably sleeved on the annular tooth line, and a plurality of mounting grooves are formed in the annular plate at equal round angles;
the toggle plates are movably arranged in the mounting grooves respectively, and the right sides of the toggle plates are rotationally connected with the inner side walls of the mounting grooves through rotating shafts and bearings;
the rubber stirring blocks are fixedly sleeved on the middle rotating shafts of the stirring plates respectively, and are movably clamped with the annular insections;
the plurality of tension springs are respectively and fixedly arranged on the left side wall of the annular plate at equal round angles, and the other ends of the tension springs are fixedly arranged on the left side wall in the annular cooling box;
the two traction ropes are respectively fixedly arranged on the upper side and the lower side of the right side wall of the annular plate, and the right end of the traction rope penetrates through the right side wall of the annular cooling box and then extends to the right side of the annular cooling box;
the two fixing seats are respectively and fixedly arranged on the upper side and the lower side of the right side wall of the annular cooling box, the middle part of the fixing seat is rotatably provided with a rotating shaft through a bearing, and the front end of the rotating shaft is in transmission connection through the synchronous pulley assembly after penetrating through the front side wall of the box body through the sealing bearing;
the two reels are respectively and fixedly sleeved on the rotating shafts at the upper side and the lower side, and the right ends of the traction ropes are respectively fixed and wound on the reels;
the first motor is fixedly arranged on the front side wall of the box body through a motor bracket, and the output end of the first motor is fixedly connected with the front end of the rotating shaft positioned at the lower side; the first motor is connected with an external power supply;
when dry ice blocks enter the inside of the annular cooling box through the feeding pipe, dry ice blocks are piled up on the left side of the inside of the annular cooling box, at this moment, due to the action of reverse stretching force of the tension springs, the annular plate is located on the left side of the inside of the annular cooling box, after the dry ice blocks are fed for a period of time, a motor is opened, the output end of the motor is synchronously driven through the synchronous pulley assembly, the annular insection is stirred the rubber and stirred the block, the rubber is stirred the block and drives the stirring plate to turn over, so that the stirring plate and the annular plate are in a vertical state, at this moment, the annular plate continuously moves rightwards due to the pulling of the traction ropes, and the stirring plate drives the dry ice blocks rightwards, so that the blockage inside the annular cooling box is reduced.
Preferably, a saw tooth slot is formed in the side wall of the poking plate; friction force between the poking plate and the dry ice blocks is increased through the sawtooth grooves, so that dry ice blocks can be paved evenly more conveniently.
Preferably, the pipe guiding mechanism comprises:
the second motor is fixedly arranged on the right side of the top surface of the box body through a motor bracket, and a rotating plate is fixedly sleeved on an output shaft of the second motor; the second motor is connected with an external power supply;
the inner threaded pipe is rotatably inserted at the lower side of the rotating plate through a bearing; a first gear is fixedly sleeved on the outer side wall of the internal thread pipe;
the third motor is fixedly arranged on the right side wall of the rotating plate through a motor bracket, a second gear is fixedly sleeved on an output shaft of the third motor, and the lower side of the second gear is meshed with the first gear; the third motor is connected with an external power supply;
the left end of the threaded rod passes through the right side wall of the box body and then extends into the plastic pipe, the extending end is connected with a clamping mechanism, and the right end of the threaded rod is rotatably arranged in the middle of the internal threaded pipe in a penetrating manner through threads; the side wall of the threaded rod is provided with a guide groove;
the guide seat is fixedly arranged on the left side wall of the rotating plate, the threaded rod is movably arranged in the guide seat in a penetrating way through a guide groove on the guide seat, and the side wall of the threaded rod is in contact with the inner side wall of the guide seat;
when the pipeline guiding-out mechanism is not used, the rotating plate is turned over to the upper side of the box body, the threaded rod is separated from the box body, when the plastic pipe starts to be extruded from the plastic extruder body, the plastic pipe enters the heat conducting pipe, the second motor is opened at the moment, the output shaft of the second motor drives the rotating plate to rotate 90 degrees, the left end of the threaded rod is aligned with the middle part of the opening end on the right side of the box body, the third motor is opened, the output shaft of the third motor drives the internal thread pipe to rotate through a gear and the second gear which are meshed, the guide seat limits the threaded rod at the moment, the threaded rod is prevented from rotating, the internal thread pipe drives the threaded rod to move towards the inside of the box body until the clamping mechanism is inserted into the inside of the plastic pipe, the inner side wall of the plastic pipe is clamped and fastened through the clamping mechanism, then the third motor reversely rotates, and the threaded rod and the clamping mechanism drive the plastic pipe to pass out of the box body.
Preferably, the clamping mechanism comprises:
the adjusting block is arranged on the left side of the threaded rod, an electric push rod is fixedly arranged in a groove formed in the middle of the adjusting block, and the pushing end of the electric push rod is fixedly arranged on the left end head of the threaded rod; the electric push rod is connected with an external power supply;
the expansion plates are arranged on the upper side and the lower side of the adjusting block respectively, the expansion plates are arc-shaped plates, and the side walls of the expansion plates are attached to the inner side walls of the plastic pipes;
the four first transmission rods are respectively arranged on the inner side walls of the expansion plates at the upper side and the lower side in a rotating way through hinging seats, the other end of the first transmission rod is movably arranged on the outer side wall of the adjusting seat through hinging seats, and the first rotating rods at the upper side and the lower side which are positioned at the same side are arranged in parallel;
the two transmission rods are respectively arranged on the upper side and the lower side of the left end of the threaded rod in a rotating way through a hinge seat, and the other end of the two transmission rods is arranged in the middle of the first transmission rod on the right side in a rotating way through a rotating shaft and a bearing;
when the threaded rod is inserted into the plastic pipe, the expansion plate is in a contracted state, when the clamping mechanism is positioned in the plastic pipe, the electric push rod is contracted, the expansion plate is expanded outwards under the transmission action of the first transmission rod and the second transmission rod, and the expansion plate is propped against the inner side wall of the plastic pipe, so that the plastic pipe and the clamping mechanism synchronously move.
Preferably, the outer side wall of the expansion plate is fixedly provided with an anti-slip gasket; friction force between the expansion plate and the inner side wall of the plastic pipe is increased through the anti-skid gasket.
The working principle of the invention is as follows: before plastic pipe production, the inside of heat preservation feeder hopper is carried to massive dry ice piece, then seal the upside of heat preservation feeder hopper through sealed lid, when plastic extruder body processing plastic pipe extrudes, plastic pipe enters into the inside of cooling chamber, dry ice piece enters into the inside of annular cooling box through the inlet pipe, the annular cooling incasement cools down rapidly, the high temperature of plastic pipe and the cold air in the annular cooling box carry out the heat exchange through the heat pipe, dry ice piece absorbs heat and sublimates, carbon dioxide gas is discharged through the air duct, remanufacturing is carried out through the external compressor, simultaneously, after plastic pipe passes the sealing washer, through advance the drain pipe with cooling water injection into the inside of cooling chamber, dry ice piece carries out the heat exchange through the cooling water in annular cooling box and the cooling chamber, reduce the temperature of cooling water, plastic pipe further cools down through the cooling water, after the cooling, enter into the inside of stoving chamber, dry ice piece dries through heating pipe and axial fan.
Compared with the prior art, the invention has the beneficial effects that:
1. the plastic pipe is cooled by the dry ice cubes, so that the heat exchange speed is high, the cooling speed of the plastic pipe after extrusion is greatly improved, the deformation of the pipe is reduced, and the yield of the pipe is improved;
2. the plastic pipe is moved from the inside of the device in a mechanical movement mode, and manual traction is not needed;
3. the cooling and drying adopt a continuous operation mode, so that the output dryness of the plastic pipe is ensured, and the yield is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 2.
Fig. 6 is a schematic structural view of the guide holder of the present invention.
Reference numerals illustrate:
the plastic extruder comprises a plastic extruder body 1, a box body 2, supporting legs 3, a liquid inlet and outlet pipe 4, a cooling cavity 5, a drying cavity 6, an axial flow fan 7, a heating pipe 8, a heat preservation feeding hopper 9, a sealing cover 10, a heat conduction pipe 11, a plastic pipe 12, an annular cooling box 13, a feeding pipe 14, an air duct 15, a sealing ring 16, a uniform adjusting mechanism 17, an annular toothed pattern 17-1, an annular plate 17-2, a mounting groove 17-3, a stirring plate 17-4, a rubber stirring block 17-5, a tension spring 17-6, a traction rope 17-7, a fixing seat 17-8, a rotating shaft 17-9, a synchronous pulley assembly 17-10, a reel 17-11, a first motor 17-12, a sawtooth groove 18, a pipeline guiding mechanism 19, a second motor 19-1, a rotating plate 19-2, an internal thread pipe 19-3, a first gear 19-4, a third motor 19-5, a second gear 19-6, a threaded rod 19-7, a guide groove 19-8, a guide seat 19-9, a clamping mechanism 20, an adjusting block 20-1, an electric push rod 20-2, a first transmission rod 20-3, a second transmission rod 20-20, a second transmission rod 21 and a gasket 5.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the technical scheme adopted in the specific embodiment is as follows: the plastic extruder comprises a plastic extruder body 1 and a box body 2; the discharging end on the right side of the plastic extruder body 1 is fixedly sleeved with a box body 2 through bolts, supporting legs 3 are vertically and fixedly arranged at four corners of the bottom of the box body 2 through bolts, a liquid inlet and outlet pipe 4 is arranged at the bottom of the box body 2 in a penetrating manner, an opening is arranged on the right side wall of the box body 2, and the inside of the box body 2 is divided into a cooling cavity 5 and a drying cavity 6 through a partition plate; the top surface and the bottom surface of the drying cavity 6 are provided with axial flow fans 7 through bolts; a heating pipe 8 is fixedly arranged on the inner side wall of the drying cavity 6 through bolts, and the axial flow fan 7 and the heating pipe 8 are connected with an external power supply;
it also comprises:
the heat-insulating feeding hopper 9 is fixedly arranged on the left side of the top surface of the box body 2 through a bolt, a sealing cover 10 is rotatably arranged at the opening end of the upper side of the heat-insulating feeding hopper 9 through a hinge and a bolt, and the other side of the sealing cover 10 is fixedly connected with the right side wall of the heat-insulating feeding hopper 9 through a hasp;
the heat conduction pipe 11 is fixedly arranged on the left side wall in the cooling cavity 5 through a bolt, and the left end of the heat conduction pipe 11 is fixedly communicated with the discharge end of the plastic extruder body 1; the plastic pipe 12 is arranged in the heat conduction pipe 11 in a penetrating way, and the heat conduction pipe 11 is made of heat conduction metal;
the left side wall of the annular cooling box 13 is fixedly arranged on the left side wall of the inside of the cooling cavity 5 through bolts, and the annular cooling box 13 is fixedly sleeved on the outer side wall of the liquid guide pipe through bolts; a feeding pipe 14 is fixedly arranged on the top surface of the annular cooling box 13, and the upper end of the feeding pipe 14 passes through the top surface of the box body 2 and is communicated with the bottom of the heat preservation feeding hopper 9; the bottom of the annular cooling box 13 is fixedly connected with an air duct 15, and the lower end of the air duct 15 passes through the bottom surface of the box body 2 and is connected with an external compressor;
the sealing ring 16 is fixedly arranged at the opening end of the middle part of the partition plate through gluing, the plastic pipe 12 is arranged in the middle part of the sealing ring 16 in a penetrating way, and the inner side wall of the sealing ring 16 is in abutting arrangement with the outer side wall of the plastic pipe 12;
the uniform adjusting mechanism 17, the uniform adjusting mechanism 17 is arranged in the annular cooling box 13;
the pipeline guiding mechanism 19, one side of the pipeline guiding mechanism 19 is arranged in the box body 2, and the other side of the pipeline guiding mechanism 19 is arranged on the right side of the box body 2.
Preferably, the uniform adjustment mechanism 17 further comprises:
the annular insection 17-1, wherein the annular insection 17-1 is fixedly arranged on the inner side wall of the annular cooling box 13 through bolts;
the annular plate 17-2 is movably sleeved on the annular tooth line 17-1, and a plurality of mounting grooves 17-3 are formed in the annular plate 17-2 at equal round angles;
the toggle plates 17-4 are arranged in the plurality of mounting grooves 17-3 in a movable mode, and the right side of the toggle plate 17-4 is rotationally connected with the inner side walls of the mounting grooves 17-3 through a rotating shaft and a bearing;
the plurality of rubber poking blocks 17-5 are fixedly sleeved on the middle rotating shafts of the poking plates 17-4 through gluing, and the rubber poking blocks 17-5 are movably clamped with the annular insections 17-1;
the plurality of tension springs 17-6 are arranged, the tension springs 17-6 are respectively and fixedly arranged on the left side wall of the annular plate 17-2 through round corners such as bolts, and the other end of the tension springs 17-6 is fixedly arranged on the left side wall of the interior of the annular cooling box 13 through bolts;
the two traction ropes 17-7 are respectively fixedly arranged on the upper side and the lower side of the right side wall of the annular plate 17-2 through bolts, and the right end of the traction rope 17-7 passes through the right side wall of the annular cooling box 13 and then extends to the right side of the annular cooling box 13;
the two fixed seats 17-8 are respectively and fixedly arranged on the upper side and the lower side of the right side wall of the annular cooling box 13 through bolts, a rotating shaft 17-9 is rotatably arranged in the middle of the fixed seat 17-8 through a bearing, and the front end of the rotating shaft 17-9 is in transmission connection through the synchronous pulley assembly 17-10 after penetrating through the front side wall of the box body 2 through the rotation of a sealing bearing;
the two reels 17-11 are respectively and fixedly sleeved on the rotating shafts 17-9 at the upper side and the lower side, and the right ends of the traction ropes 17-7 are respectively fixed and wound on the reels 17-11;
the first motor 17-12 is fixedly arranged on the front side wall of the box body 2 through a motor bracket and a bolt, and the output end of the first motor 17-12 is fixedly connected with the front end of the rotating shaft 17-9 positioned at the lower side; the motor No. 17-12 is connected with an external power supply.
As a preferable scheme, the side wall of the poking plate 17-4 is provided with a saw tooth groove 18; the friction force between the poking plate 17-4 and the dry ice blocks is increased through the saw tooth grooves 18, so that the dry ice blocks can be paved evenly more conveniently.
Preferably, the pipe guiding mechanism 19 further includes:
the second motor 19-1 is fixedly arranged on the right side of the top surface of the box body 2 through a motor bracket and a bolt, and a rotating plate 19-2 is fixedly sleeved on an output shaft of the second motor 19-1; the second motor 19-1 is connected with an external power supply;
the inner threaded pipe 19-3, wherein the inner threaded pipe 19-3 is rotatably inserted at the lower side of the rotating plate 19-2 through a bearing; the outer side wall of the internal thread pipe 19-3 is fixedly sleeved with a first gear 19-4;
the third motor 19-5 is fixedly arranged on the right side wall of the rotating plate 19-2 through a motor bracket and a bolt, the output shaft of the third motor 19-5 is fixedly sleeved with the second gear 19-6, and the lower side of the second gear 19-6 is meshed with the first gear 19-4; the third motor 19-5 is connected with an external power supply;
the left end of the threaded rod 19-7 passes through the right side wall of the box body 2 and then is arranged in the plastic pipe 12 in an extending mode, the extending end is connected with a clamping mechanism 20, and the right end of the threaded rod 19-7 is arranged in the middle of the internal threaded pipe 19-3 in a penetrating mode through threaded rotation; the side wall of the threaded rod 19-7 is provided with a guide groove 19-8;
the guide seat 19-9, the guide seat 19-9 is fixedly arranged on the left side wall of the rotating plate 19-2, the threaded rod 19-7 movably penetrates through the guide groove 19-8 on the guide seat 19-9, and the side wall of the threaded rod 19-7 is in contact with the inner side wall of the guide seat 19-9.
Preferably, the clamping mechanism 20 further comprises:
the adjusting block 20-1, the adjusting block 20-1 is arranged at the left side of the threaded rod 19-7, an electric push rod 20-2 is fixedly arranged in a groove formed in the middle of the adjusting block 20-1 through a bolt, and the pushing end of the electric push rod 20-2 is fixedly arranged at the left end head of the threaded rod 19-7; the electric push rod 20-2 is connected with an external power supply;
the expansion plates 20-3 are arranged on the upper side and the lower side of the adjusting block 20-1 respectively, the expansion plates 20-3 are arc-shaped plates, and the side walls of the expansion plates 20-3 are attached to the inner side walls of the plastic pipe 12;
the first transmission rods 20-4 are arranged in four, are respectively arranged on the inner side walls of the expansion plates 20-3 at the upper side and the lower side in a pair by rotation through hinging seats, the other end of the first transmission rod 20-4 is movably arranged on the outer side wall of the adjusting seat through hinging seats, and the first rotating rods at the upper side and the lower side which are positioned at the same side are arranged in parallel;
the number two transmission rods 20-5, the number two transmission rods 20-5 are respectively arranged on the upper side and the lower side of the left end of the threaded rod 19-7 in a rotating mode through a hinge seat, and the other end of the number two transmission rods 20-5 is arranged in the middle of the number one transmission rod 20-4 located on the right side in a rotating mode through a rotating shaft and a bearing.
Preferably, further, the outer side wall of the expansion plate 20-3 is fixedly provided with an anti-slip pad 21; friction between the expansion plate 20-3 and the inner side wall of the plastic tubing 12 is increased by the anti-slip spacer 21.
The specific use types of the first motor 17-12, the second motor 19-1, the third motor 19-5, the axial flow fan 7 and the heating pipe 8 are directly purchased, installed and used from the market according to the use requirements.
The working principle of the specific embodiment is as follows: before plastic pipe 12 is produced, conveying blocky dry ice blocks into the heat-preserving feeding hopper 9, sealing the upper side of the heat-preserving feeding hopper 9 through a sealing cover 10, and when the plastic pipe 12 is processed and extruded by the plastic extruder body 1, the plastic pipe 12 enters the cooling cavity 5; when the pipeline guiding-out mechanism 19 is not used, the rotating plate 19-2 is turned over to the upper side of the box body 2, the threaded rod 19-7 is separated from the box body 2, when the plastic pipe 12 starts to be extruded from the plastic extruder body 1, the plastic pipe 12 enters the heat conducting pipe 11, the motor 19-1 is turned on, the output shaft of the motor 19-1 drives the rotating plate 19-2 to rotate 90 degrees, the left end of the threaded rod 19-7 is aligned with the middle part of the opening end on the right side of the box body 2, the motor 19-5 is turned on, the output shaft of the motor 19-5 drives the internal threaded pipe 19-3 to rotate through the gear 19-4 and the gear 19-6 which are meshed, the guide seat 19-9 limits the threaded rod 19-7, the threaded rod 19-7 is prevented from rotating, the internal threaded rod 19-3 drives the threaded rod 19-7 to move towards the inside of the box body 2 until the clamping mechanism 20 is inserted into the plastic pipe 12, the inner side wall of the plastic pipe 12 is clamped tightly through the clamping mechanism 20, and then the threaded rod 19-5 is reversely rotated through the motor 19-5 and the clamping mechanism 20 to drive the threaded rod 12 to pass out of the box body 2; when the threaded rod 19-7 is inserted into the plastic pipe 12, the expansion plate 20-3 is in a contracted state, when the clamping mechanism 20 is positioned in the plastic pipe 12, the electric push rod 20-2 is contracted, the expansion plate 20-3 is expanded outwards under the transmission action of the first transmission rod 20-4 and the second transmission rod 20-5, and the expansion plate 20-3 is abutted against the inner side wall of the plastic pipe 12, so that the plastic pipe 12 and the clamping mechanism 20 synchronously move; the dry ice blocks enter the annular cooling box 13 through the feeding pipe 14, and the temperature in the annular cooling box 13 is quickly reduced; when dry ice blocks enter the inside of the annular cooling box 13 through the feeding pipe 14, dry ice blocks are piled up on the left side of the inside of the annular cooling box 13, at the moment, due to the action of reverse stretching force of the tension spring 17-6, the annular plate 17-2 is located on the left side of the inside of the annular cooling box 13, after the dry ice blocks are fed for a period of time, the first motor 17-12 is opened, the output end of the first motor 17-12 is synchronously driven through the synchronous pulley assembly 17-10, the annular toothed belt 17-1 stirs the rubber stirring block 17-5, the rubber stirring block 17-5 drives the stirring plate 17-4 to turn over, the stirring plate 17-4 and the annular plate 17-2 are in a vertical state, at the moment, the annular plate 17-2 continuously moves rightwards due to the pulling of the traction rope 17-7, the stirring plate 17-4 drives the dry ice blocks rightwards, the blockage inside the annular cooling box 13 is reduced, high temperature of the plastic pipe 12 and cold air in the annular cooling box 13 are subjected to heat exchange through the heat conducting pipe 11, sublimated carbon dioxide gas is discharged through the air conducting pipe 15, and is remanufactured through the external compressor, and meanwhile, the plastic pipe 12 passes through the liquid cooling pipe 6 and the cooling pipe 6 and then enters the cooling cavity through the cooling pipe 6 to the cooling cavity through the cooling pipe 6, and the cooling cavity is cooled by cooling pipe 5, and the cooling cavity is cooled by cooling water is cooled by cooling the cooling pipe 5, and then is cooled by cooling the cooling pipe 5, and the cooling cavity is cooled by the cooling pipe 5.
After adopting above-mentioned structure, this concrete implementation mode beneficial effect does:
1. the plastic pipe 12 is cooled by the dry ice cubes, so that the heat exchange speed is high, the cooling speed of the plastic pipe 12 after extrusion is greatly improved, the deformation of the pipe is reduced, and the yield of the pipe is improved;
2. the plastic pipe 12 is moved from the inside of the device in a mechanical movement mode, and no manual traction is needed;
3. the cooling and drying adopt a continuous operation mode, so that the output dryness of the plastic pipe 12 is ensured, and the yield is improved.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. An extrusion device with a cooling function for processing plastic pipes comprises a plastic extruder body (1) and a box body (2); the plastic extruder comprises a plastic extruder body (1), wherein a discharging end on the right side of the plastic extruder body (1) is fixedly sleeved with a box body (2), supporting legs (3) are vertically and fixedly arranged at four corners of the bottom of the box body (2), a liquid inlet and outlet pipe (4) is arranged at the bottom of the box body (2) in a penetrating manner, an opening is arranged on the right side wall of the box body (2), and the inside of the box body (2) is divided into a cooling cavity (5) and a drying cavity (6) through a partition plate; the top surface and the bottom surface of the drying cavity (6) are provided with axial flow fans (7); a heating pipe (8) is fixedly arranged on the inner side wall of the drying cavity (6), and the axial flow fan (7) and the heating pipe (8) are connected with an external power supply;
characterized in that it further comprises:
the heat-insulating feeding hopper (9), the heat-insulating feeding hopper (9) is fixedly arranged on the left side of the top surface of the box body (2), a sealing cover (10) is rotatably arranged at the opening end of the upper side of the heat-insulating feeding hopper (9) through a hinge, and the other side of the sealing cover (10) is fixedly connected with the right side wall of the heat-insulating feeding hopper (9) through a hasp;
the heat conduction pipe (11), the said heat conduction pipe (11) is fixed on left sidewall in the cooling cavity (5), and the left end of the heat conduction pipe (11) is linked together fixedly with the discharge end of the body (1) of the plastic extruder and set up; the plastic pipe (12) is arranged in the heat conducting pipe (11) in a penetrating way;
the left side wall of the annular cooling box (13) is fixedly arranged on the left side wall in the cooling cavity (5), and the annular cooling box (13) is fixedly sleeved on the outer side wall of the liquid guide pipe; a feeding pipe (14) is fixedly arranged on the top surface of the annular cooling box (13), and the upper end of the feeding pipe (14) passes through the top surface of the box body (2) and is communicated with the bottom of the heat preservation feeding hopper (9); the bottom of the annular cooling box (13) is fixedly connected with an air duct (15), and the lower end of the air duct (15) passes through the bottom surface of the box body (2) and is connected with an external compressor;
the sealing ring (16) is fixedly arranged at the opening end of the middle part of the partition board, the plastic pipe (12) is arranged in the middle part of the sealing ring (16) in a penetrating way, and the inner side wall of the sealing ring (16) is in contact with the outer side wall of the plastic pipe (12);
the uniform adjusting mechanism (17), the uniform adjusting mechanism (17) is arranged in the annular cooling box (13);
the pipeline guiding mechanism (19), one side of the pipeline guiding mechanism (19) is arranged in the box body (2), and the other side of the pipeline guiding mechanism is arranged on the right side of the box body (2);
the uniform adjustment mechanism (17) comprises:
the annular insection (17-1), the said annular insection (17-1) is fixed to the inner sidewall of the annular cooling box (13);
the annular plate (17-2), the annular plate (17-2) is movably sleeved on the annular insection (17-1), and a plurality of mounting grooves (17-3) are formed in the annular plate (17-2) at equal round angles;
the toggle plates (17-4) are respectively and movably arranged in the plurality of mounting grooves (17-3), and the right side of the toggle plate (17-4) is rotationally connected with the inner side walls of the mounting grooves (17-3) through a rotating shaft and a bearing;
the rubber stirring blocks (17-5), wherein the plurality of rubber stirring blocks (17-5) are respectively and fixedly sleeved on the middle rotating shafts of the stirring plates (17-4), and the rubber stirring blocks (17-5) are movably clamped with the annular insections (17-1);
the plurality of tension springs (17-6) are fixedly arranged on the left side wall of the annular plate (17-2) at equal round angles respectively, and the other end of the tension spring (17-6) is fixedly arranged on the left side wall inside the annular cooling box (13);
the two traction ropes (17-7) are respectively fixedly arranged on the upper side and the lower side of the right side wall of the annular plate (17-2), and the right end of the traction rope (17-7) passes through the right side wall of the annular cooling box (13) and then extends to the right side of the annular cooling box (13);
the two fixing seats (17-8) are respectively and fixedly arranged on the upper side and the lower side of the right side wall of the annular cooling box (13), the middle part of the fixing seat (17-8) is rotatably provided with a rotating shaft (17-9) through a bearing, and the front end of the rotating shaft (17-9) is in transmission connection through the synchronous pulley assembly (17-10) after penetrating through the front side wall of the box body (2) through the rotation of the sealing bearing;
the two reels (17-11) are respectively and fixedly sleeved on the rotating shafts (17-9) at the upper side and the lower side, and the right ends of the traction ropes (17-7) are respectively fixed and wound on the reels (17-11);
the first motor (17-12) is fixedly arranged on the front side wall of the box body (2) through a motor bracket, and the output end of the first motor (17-12) is fixedly connected with the front end of the rotating shaft (17-9) positioned at the lower side; the first motor (17-12) is connected with an external power supply;
when dry ice blocks enter the annular cooling box (13) through the feeding pipe (14), the dry ice blocks are piled up on the left side of the interior of the annular cooling box (13), at the moment, due to the action of reverse stretching force of the tension spring (17-6), the annular plate (17-2) is positioned on the left side of the interior of the annular cooling box (13), after the dry ice blocks are fed for a period of time, the motor (17-12) is started, the output end of the motor (17-12) is synchronously driven through the synchronous pulley assembly (17-10), and the annular toothed pattern (17-1) drives the rubber stirring block (17-5), the rubber stirring block (17-5) drives the stirring plate (17-4) to turn over, so that the stirring plate (17-4) is in a vertical state with the annular plate (17-2), and at the moment, the annular plate (17-2) continuously moves rightwards due to the pulling of the pulling rope (17-7), and the stirring plate (17-4) drives the dry ice blocks rightwards, so that the blockage in the annular cooling box (13) is reduced;
the side wall of the poking plate (17-4) is provided with a saw tooth slot (18); the friction force between the poking plate (17-4) and the dry ice blocks is increased through the saw tooth grooves (18), so that the dry ice blocks can be paved uniformly more conveniently;
the pipe guiding mechanism (19) comprises:
the second motor (19-1) is fixedly arranged on the right side of the top surface of the box body (2) through a motor bracket, and a rotating plate (19-2) is fixedly sleeved on an output shaft of the second motor (19-1); the second motor (19-1) is connected with an external power supply;
the inner threaded pipe (19-3) is rotatably inserted into the lower side of the rotating plate (19-2) through a bearing; a first gear (19-4) is fixedly sleeved on the outer side wall of the internal thread pipe (19-3);
the third motor (19-5) is fixedly arranged on the right side wall of the rotating plate (19-2) through a motor bracket, the output shaft of the third motor (19-5) is fixedly sleeved with the second gear (19-6), and the lower side of the second gear (19-6) is meshed with the first gear (19-4); the third motor (19-5) is connected with an external power supply;
the left end of the threaded rod (19-7) passes through the right side wall of the box body (2) and then is arranged in the plastic pipe (12) in an extending mode, the extending end is connected with a clamping mechanism (20), and the right end of the threaded rod (19-7) is rotatably arranged in the middle of the internal thread pipe (19-3) in a penetrating mode through threads; the side wall of the threaded rod (19-7) is provided with a guide groove (19-8);
the guide seat (19-9), the guide seat (19-9) is fixedly arranged on the left side wall of the rotating plate (19-2), the threaded rod (19-7) is movably arranged in the guide seat (19-9) in a penetrating way through the guide groove (19-8) on the guide seat, and the side wall of the threaded rod (19-7) is in contact with the inner side wall of the guide seat (19-9);
when the pipeline guiding-out mechanism (19) is not used, the rotating plate (19-2) is turned over to the upper side of the box body (2), the threaded rod (19-7) is separated from the box body (2), when the plastic pipe (12) starts to be extruded from the plastic extruder body (1), the plastic pipe (12) enters the heat conducting pipe (11), the second motor (19-1) is opened at the moment, the output shaft of the second motor (19-1) drives the rotating plate (19-2) to rotate 90 degrees, the left end of the threaded rod (19-7) is aligned with the middle part of the opening end on the right side of the box body (2), the third motor (19-5) is opened, the output shaft of the third motor (19-5) drives the internal threaded pipe (19-3) through the first gear (19-4) and the second gear (19-6) which are meshed, the guide seat (19-9) limits the threaded rod (19-7) to prevent the threaded rod (19-7) from rotating, the internal threaded pipe (19-3) drives the threaded rod (19-7) to move towards the inner side of the box body (2) to clamp the plastic pipe (20) until the plastic pipe (12) is clamped in the inner side of the box body (20) through the third motor (20), the threaded rod (19-7) and the clamping mechanism (20) drive the plastic pipe (12) to penetrate out of the box body (2);
the clamping mechanism (20) comprises:
the adjusting block (20-1), the said adjusting block (20-1) is set up in the left side of the threaded rod (19-7), the recess that the middle part of the adjusting block (20-1) offers is fixed with the electric putter (20-2) internally, the pushing end of the electric putter (20-2) is fixed to set up on the left end of the threaded rod (19-7); the electric push rod (20-2) is connected with an external power supply;
the expansion plates (20-3) are arranged on the upper side and the lower side of the adjusting block (20-1), the expansion plates (20-3) are arc-shaped plates, and the side walls of the expansion plates (20-3) are attached to the inner side walls of the plastic pipes (12);
the four first transmission rods (20-4) are respectively arranged on the inner side walls of the expansion plates (20-3) at the upper side and the lower side in a two-by-two manner through hinging seats in a rotating manner, the other end of the first transmission rod (20-4) is movably arranged on the outer side wall of the adjusting seat through the hinging seat, and the first rotating rods at the upper side and the lower side which are positioned at the same side are arranged in parallel;
the two transmission rods (20-5) are respectively arranged on the upper side and the lower side of the left end of the threaded rod (19-7) in a rotating way through hinge seats, and the other end of the two transmission rods (20-5) is arranged in the middle of the first transmission rod (20-4) on the right side in a rotating way through a rotating shaft and a bearing;
when the threaded rod (19-7) is inserted into the plastic pipe (12), the expansion plate (20-3) is in a contracted state, when the clamping mechanism (20) is positioned in the plastic pipe (12), the electric push rod (20-2) is contracted, the expansion plate (20-3) is expanded outwards under the transmission action of the first transmission rod (20-4) and the second transmission rod (20-5), and the expansion plate (20-3) is propped against the inner side wall of the plastic pipe (12), so that the plastic pipe (12) and the clamping mechanism (20) synchronously move;
an anti-slip gasket (21) is fixedly arranged on the outer side wall of the expansion plate (20-3); friction between the expansion plate (20-3) and the inner side wall of the plastic pipe (12) is increased through the anti-skid gasket (21).
2. The extrusion device for processing plastic pipes with cooling function according to claim 1, wherein: the working principle is as follows: before plastic pipe (12) production, the massive dry ice blocks are conveyed to the inside of a heat preservation feeding hopper (9), then the upper side of the heat preservation feeding hopper (9) is sealed through a sealing cover (10), when the plastic pipe (12) is processed by a plastic extruder body (1), the plastic pipe (12) enters the inside of a cooling cavity (5), the dry ice blocks enter the inside of an annular cooling box (13) through a feeding pipe (14), the inside of the annular cooling box (13) is rapidly cooled, the high temperature of the plastic pipe (12) and the cold air in the annular cooling box (13) are subjected to heat exchange through a heat conducting pipe (11), the dry ice blocks absorb heat and sublimate, carbon dioxide gas is discharged through an air duct (15), and the plastic pipe is remanufactured through an external compressor, meanwhile, after the plastic pipe (12) passes through a sealing ring (16), cooling water is injected into the inside of the cooling cavity (5) through a liquid inlet pipe (4), the dry ice blocks are subjected to heat exchange with the cooling water in the cooling cavity (5) through the annular cooling box (13), the temperature of the cooling water is reduced, the plastic pipe (12) is further subjected to heat exchange through the cooling water, and then the inside of the plastic pipe (8) is cooled through an axial flow fan (7), and the cooling pipe (8) is cooled down, and the inside of the plastic pipe (8) is cooled down through an axial flow fan (7).
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| CN114103059A (en) | 2022-03-01 |
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Effective date of registration: 20231109 Address after: 276400 luogushan Middle Road, Chengbei Industrial Park, Yishui County, Linyi City, Shandong Province Applicant after: SHANDONG DONGFANG PIPE CO.,LTD. Address before: 415500 No. 1, Qunxing Road, economic development zone, gaoxinyan neighborhood committee, Lixi sub district office, Li County, Changde City, Hunan Province Applicant before: Hunan Hengding Pipe Industry Co.,Ltd. |
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