CN110341161B - Plastic-steel section plastic extruding machine for door and window frame - Google Patents

Plastic-steel section plastic extruding machine for door and window frame Download PDF

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Publication number
CN110341161B
CN110341161B CN201910672349.2A CN201910672349A CN110341161B CN 110341161 B CN110341161 B CN 110341161B CN 201910672349 A CN201910672349 A CN 201910672349A CN 110341161 B CN110341161 B CN 110341161B
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air
shell
hopper
spiral
spiral material
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CN110341161A (en
Inventor
郭召忠
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Chongqing Haisu Building Material Co ltd
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Chongqing Haisu Building Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/276—Recovery or reuse of energy or materials of energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • 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

Abstract

The invention discloses a door and window frame plastic steel section plastic extruding machine, which comprises a hopper, wherein the hopper also comprises a spiral mixer, the spiral mixer comprises a middle shaft which is arranged at the central part of a hopper shell and is in running fit with the hopper shell, and the spiral mixer also comprises an upper spiral material homogenizing assembly, a middle spiral material homogenizing assembly and a lower spiral material homogenizing assembly which are sequentially arranged on the middle shaft from top to bottom; the extruding machine further comprises an air heater arranged on the side portion of the hopper, the air inlet end of the air heater is connected with the air outlet end of the second air pipe, and the air outlet end of the air heater is connected with the upper portion of the conical shell through a third air pipe. According to the invention, the hopper can mix materials for many times through a large number of spiral material distribution plates, so that various raw materials can be automatically and uniformly mixed, and the problem that the existing plastic extruding machine needs additional input equipment and manual raw material mixing is solved. In addition, the plastic extruding machine can also dry the raw materials, so that special drying equipment and personnel are not needed to dry the raw materials entering the plastic extruding machine.

Description

Plastic-steel section plastic extruding machine for door and window frame
Technical Field
The invention relates to the technical field of plastic-steel door frame section bar production, in particular to a plastic extruding machine for producing plastic-steel door frame section bars.
Background
Extruder during production, plastic pellet feed is fed into the extruder through a hopper. The raw materials for producing the plastic-steel door frame section bar are various, and comprise main materials, auxiliary materials, pigments and the like, and the raw materials need to be uniformly mixed before entering an extruding machine so as to ensure the product quality. In the prior art, the material mixing process is usually completed by an independent material mixing stirrer, and the material mixing stirrer is arranged, so that the equipment input cost and the equipment running cost are increased, and the number of operators and the labor cost are increased.
And in the process of producing plastic profiles such as plastic-steel door frames and the like by adopting the plastic extruding machine, the water content of the raw materials needs to be strictly controlled, otherwise, the water vapor generated in the extrusion process of the water in the raw materials can cause bubbles in the product, and further the product quality is seriously influenced. Therefore, the plastic feedstock typically needs to be dried before entering the extruder. In the prior art, the raw materials are dried mainly by adopting special drying equipment, and the raw materials are dried by adopting the special drying equipment, so that the drying equipment and the operation labor cost are required to be input.
Disclosure of Invention
In view of the above, the present invention provides an extruding machine for plastic-steel profiles of door and window frames, so as to solve the technical problem in the prior art that the raw materials entering the extruding machine need to be mixed and dried by equipment investment and labor cost.
The invention relates to a door and window frame plastic steel section plastic extruding machine, which comprises a machine barrel, a screw rod arranged in the machine barrel, a machine shell arranged outside the machine barrel, an electromagnetic heater arranged in the machine shell, a hopper connected with the rear end of the machine barrel, and an air cooler for air cooling the machine barrel, wherein an air outlet of the air cooler is connected with the machine shell through a first air pipe, the first air pipe is used for feeding cooling air into an annular cavity channel between the electromagnetic heater and the machine barrel, the machine shell is also provided with a second air pipe, the second air pipe is used for discharging the cooling air in the annular cavity channel, the hopper comprises a hopper shell, and the hopper shell consists of a cylindrical shell and a conical shell connected to the lower end of the cylindrical shell;
the hopper also comprises a spiral mixer, the spiral mixer comprises a middle shaft which is arranged at the central part of the hopper shell and is in running fit with the hopper shell, and the spiral mixer also comprises an upper spiral material homogenizing assembly, a middle spiral material homogenizing assembly and a lower spiral material homogenizing assembly which are sequentially arranged on the middle shaft from top to bottom;
the upper spiral material homogenizing assembly comprises a first sleeve fixedly sleeved on the middle shaft, spiral blades uniformly arranged on the upper section of the first sleeve along the circumferential direction, and upper spiral material distributing plates uniformly arranged on the first sleeve along the circumferential direction and positioned below the spiral blades;
the middle spiral material homogenizing assembly comprises a second sleeve, a middle spiral material distributing plate and a connecting ring, the second sleeve is sleeved on the middle shaft and is in rotary fit with the middle shaft, the middle spiral material distributing plate is evenly arranged on the second sleeve along the circumferential direction, the connecting ring is fixed on the outer edge of the spiral material distributing plate, and the connecting ring is fixedly connected with the hopper shell;
the lower spiral material homogenizing assembly comprises a third sleeve fixedly sleeved on the middle shaft and lower spiral material distributing plates uniformly arranged on the third sleeve along the circumferential direction;
a feeding pipe is arranged at the top of the cylindrical shell, and a discharge port is arranged at the lower end of the cylindrical shell;
the door and window frame plastic steel section plastic extruding machine further comprises an air heater arranged on the side portion of the hopper shell through a support, the air inlet end of the air heater is connected with the air outlet end of the second air pipe, the air outlet end of the air heater is connected with the upper portion of the conical shell through a third air pipe, and an exhaust pipe is arranged at the top of the cylindrical shell.
Furthermore, the number of the air coolers is three, the air coolers are respectively a first air cooler, a second air cooler and a third air cooler, a partition plate is arranged in an inner cavity of the casing, the partition plate divides the inner cavity of the casing into a first cavity section, a second cavity section, a third cavity section and a fourth cavity section, wherein the first cavity section corresponds to a homogenizing section of the screw rod, the second cavity section and the third cavity section correspond to a melting section of the screw rod, and the fourth cavity section corresponds to a feeding section of the screw rod; four corresponding first air pipes are arranged;
the air outlet of the first air cooler is connected with the front end of the first cavity section through a first air pipe, the air outlet of the second air cooler is connected with the front end of the second cavity section through a first air pipe, the air outlet of the third air cooler is connected with the front end of the third cavity section through a first air pipe, and the air outlet of the third air cooler is also connected with the rear end of the fourth cavity section through a first air pipe; and exhaust branch pipes are arranged at the rear ends of the first cavity section, the second cavity section and the third cavity section and at the front end of the fourth cavity section, and each exhaust branch pipe is connected with the second air pipe.
Furthermore, the lower end of the middle shaft is provided with a lantern ring which is in running fit with the middle shaft, the circumferential surface of the lantern ring is connected with ribs which are arranged in a cross shape, and the outer side end parts of the ribs are fixedly connected with the lower end of the cylindrical shell.
Further, a level sensor is arranged at the upper part of the conical shell.
The invention has the beneficial effects that:
1. the plastic steel section plastic extruding machine for the door and window frame disclosed by the invention has the advantages that during feeding, the material flow entering from the feeding pipe impacts the propeller blades, the propeller blades drive the central shaft to rotate, and then the central shaft drives the upper spiral material homogenizing assembly and the lower spiral material homogenizing assembly to rotate. The various material flows are firstly divided when passing through the propeller blades, and the various material flows discharged from the propeller blades enter the upper spiral material dividing plate and are secondly divided by the upper spiral material dividing plate, so that the various material flows are firstly and uniformly mixed.
The material flow discharged from the upper spiral material distributing plate enters the fixedly arranged middle spiral material distributing plate, and the upper spiral material distributing plate is driven by the middle shaft to rotate continuously, so that the material flow discharged from each upper spiral material distributing plate continuously falls onto different middle spiral material distributing plates, the secondary material mixing is completed, and various raw materials are further uniformly mixed.
The material flow discharged from the fixed middle spiral material distributing plate enters the lower spiral material distributing plate which rotates continuously, so that the material flow discharged from each middle spiral material distributing plate continuously falls onto different lower spiral material distributing plates, and the third material mixing is completed.
According to the plastic-steel profile plastic extruding machine for the door and window frame, disclosed by the invention, multiple materials are mixed through a large number of spiral material distributing plates, so that various raw materials can be automatically and uniformly mixed, the problem that the existing plastic extruding machine needs additional equipment and manual raw material mixing is solved, and the production cost can be reduced; and the rotatory power of compounding in-process axis comes from the discharged material stream of feed mechanism, and feeder hopper self need not set up power device, and energy-conserving effectual.
2. In the door and window frame plastic steel section plastic extruding machine, hot air generated by an air heater enters the conical shell through the air pipe in the feeding process, and then flows upwards along the spiral channel between the adjacent spiral material separating plates and is exhausted from the exhaust pipe at the top of the hopper shell. The plastic extruding machine divides the entering raw materials into a plurality of material flows through the spiral material dividing plate, so that hot air can be more fully contacted with each material flow, and the uniformity of drying the raw materials can be better ensured; and the spiral material distributing plate also greatly prolongs the length of a downward path of the raw materials in the hopper, so that the contact time of hot air and material flow is longer, and the drying quality can be better ensured. By adopting the plastic extruding machine, special drying equipment and personnel are not needed to dry the raw materials entering the plastic extruding machine, the production cost can be reduced, and the economic benefit can be improved.
3. According to the plastic steel section plastic extruding machine for the door and window frame, the cooling air for cooling the machine barrel of the plastic extruding machine is introduced into the air heater, so that the heat energy of the plastic extruding machine is recycled, the cooling air absorbing the heat of the machine barrel can be heated to the required temperature more quickly after entering the air heater, the electric energy consumption of the air heater is reduced, and the energy-saving purpose is achieved.
Drawings
FIG. 1 is a schematic view showing the structure of an extruder for plastic-steel profiles for window and door frames in the examples.
Fig. 2 is a schematic perspective view of the hopper.
Fig. 3 is a schematic sectional view of the hopper.
Fig. 4 is a schematic perspective view of a spiral mixer.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figure, the plastic-steel profile extruding machine for the door and window frame comprises a machine barrel 1, a screw 2 arranged in the machine barrel, a machine shell 3 arranged outside the machine barrel, an electromagnetic heater 4 arranged in the machine shell, a hopper connected with the rear end of the machine barrel, and an air cooler 5 for air cooling of the machine barrel, wherein an air outlet of the air cooler is connected with the machine shell through a first air pipe 6, the first air pipe is used for sending cooling air into an annular cavity channel between the electromagnetic heater and the machine barrel, a second air pipe 7 is further arranged on the machine shell and used for discharging the cooling air in the annular cavity channel, the hopper comprises a hopper shell 8, and the hopper shell consists of a cylindrical shell 801 and a conical shell 802 connected to the lower end of the cylindrical shell
The hopper still includes the spiral blender, the spiral blender is including setting up at hopper shell central part and with hopper shell normal axis 9 of normal running fit, the spiral blender still includes from last to setting gradually epaxial last spiral homocline subassembly, well spiral homocline subassembly and spiral homocline subassembly down.
The upper spiral material homogenizing assembly comprises a first sleeve 10 fixedly sleeved on the middle shaft, spiral blades 11 evenly arranged on the upper section of the first sleeve along the circumferential direction, and an upper spiral material distributing plate 12 evenly arranged on the first sleeve along the circumferential direction and located below the spiral blades. The pitch of the propeller blades is larger than that of the spiral material distributing plate, and the larger pitch of the propeller blades can generate larger torque to push the middle shaft to rotate when the feed flow impacts the propeller blades. In this embodiment, the first sleeve may be fixed to the central shaft by screws.
The middle spiral material homogenizing assembly comprises a second sleeve 13, a middle spiral material distributing plate 14 and a connecting ring 15, wherein the second sleeve is sleeved on the middle shaft and is in rotary fit with the middle shaft, the middle spiral material distributing plate 14 is uniformly arranged on the second sleeve along the circumferential direction, the connecting ring 15 is fixed on the outer edge of the spiral material distributing plate, and the connecting ring is fixedly connected with the hopper shell. In this embodiment, the connection ring is fixedly connected with the hopper shell through screws.
The lower spiral material homogenizing assembly comprises a third sleeve 16 fixedly sleeved on the middle shaft and lower spiral material distributing plates 17 evenly arranged on the third sleeve along the circumferential direction. In a specific implementation, the third sleeve may be fixed to the central shaft by screws.
In the concrete implementation, the number that goes up the spiral and divide the flitch, well spiral divides the flitch and the spiral divides the flitch down can set up as required, under the assurance not taking place the putty condition, the quantity that each divides the flitch is more, and the compounding homogeneity is better.
The top of cylinder shell is provided with inlet pipe 18, the lower extreme of cylinder shell is provided with bin outlet 19. In specific implementation, different raw materials can be respectively provided with a feeding pipe; of course, it is also possible to feed the starting materials simultaneously from one feed pipe.
The door and window frame plastic steel section plastic extruding machine further comprises an air heater 20 arranged on the side portion of the hopper shell through a support, the air inlet end of the air heater is connected with the air outlet end of the second air pipe, the air outlet end of the air heater is connected with the upper portion of the conical shell through a third air pipe 21, and an exhaust pipe 22 is arranged at the top of the cylindrical shell.
The mixing principle of the plastic-steel section extruding machine for the door and window frame in the embodiment is as follows:
the raw materials enter the hopper from the feeding pipe under the driving of the feeding mechanism, and the speed of each feeding mechanism needs to be controlled during feeding so as to ensure the correct proportion of the raw materials when the raw materials enter the hopper. The material flow entering from the feeding pipe impacts the propeller blades, the propeller blades drive the middle shaft to rotate, and then the upper spiral material homogenizing assembly and the lower spiral material homogenizing assembly are driven to rotate through the middle shaft. The various material flows are firstly divided when passing through the propeller blades, and the various material flows discharged from the propeller blades enter the upper spiral material dividing plate and are secondly divided by the upper spiral material dividing plate, so that the various material flows are firstly and uniformly mixed.
The material flow discharged from the upper spiral material distributing plate enters the fixedly arranged middle spiral material distributing plate, and the upper spiral material distributing plate is driven by the middle shaft to rotate continuously, so that the material flow discharged from each upper spiral material distributing plate continuously falls onto different middle spiral material distributing plates, the secondary material mixing is completed, and various raw materials are uniformly mixed for the second time.
The material flow discharged from the fixed middle spiral material distributing plate enters the lower spiral material distributing plate which rotates continuously, so that the material flow discharged from each middle spiral material distributing plate continuously falls onto different lower spiral material distributing plates, and the third material mixing is completed.
Therefore, the plastic-steel profile plastic extruding machine for the door and window frame can automatically and uniformly mix various raw materials by mixing a large number of materials through a large number of spiral material distributing plates, solves the problem that the existing plastic extruding machine needs additional input equipment and manual raw material mixing, and can reduce the production cost; and the rotatory power of compounding in-process axis comes from the discharged material stream of feed mechanism, and feeder hopper self need not set up power device, and energy-conserving effectual.
In addition, in the plastic steel profile plastic extruding machine for the door and window frame in the embodiment, in the feeding process, hot air generated by the hot air blower enters the conical shell through the air pipe, and then flows upwards along the spiral channel between the adjacent spiral material distributing plates and is exhausted from the exhaust pipe at the top of the hopper shell. The plastic extruding machine divides the entering raw materials into a plurality of material flows through the spiral material dividing plate, so that hot air can be more fully contacted with each material flow, and the uniformity of drying the raw materials can be better ensured; and the spiral material distributing plate also greatly prolongs the length of a downward path of the raw materials in the hopper, so that the contact time of hot air and material flow is longer, and the drying quality can be better ensured. By adopting the plastic extruding machine, special drying equipment and personnel are not needed to dry the raw materials entering the plastic extruding machine, the production cost can be reduced, and the economic benefit can be improved.
In addition, in the plastic steel section plastic extruding machine for the door and window frame in the embodiment, the cooling air for cooling the cylinder of the plastic extruding machine is introduced into the hot air machine, so that the heat energy of the plastic extruding machine is recycled, the cooling air for absorbing the heat of the cylinder can be heated to the required temperature more quickly after entering the hot air machine, the electric energy consumption of the hot air machine is reduced, and the energy-saving purpose is achieved.
As an improvement to the above embodiment, the number of the air coolers is three, and the air coolers are respectively a first air cooler, a second air cooler and a third air cooler, a partition plate 23 is arranged in an inner cavity of the casing, and the partition plate divides the inner cavity of the casing into a first cavity section, a second cavity section, a third cavity section and a fourth cavity section, wherein the first cavity section corresponds to a homogenizing section of the screw, the second cavity section and the third cavity section correspond to a melting section of the screw, and the fourth cavity section corresponds to a feeding section of the screw; the number of the first air pipes is four.
The air outlet of the first air cooler is connected with the front end of the first cavity section through a first air pipe, the air outlet of the second air cooler is connected with the front end of the second cavity section through a first air pipe, the air outlet of the third air cooler is connected with the front end of the third cavity section through a first air pipe, and the air outlet of the third air cooler is also connected with the rear end of the fourth cavity section through a first air pipe; and exhaust branch pipes are arranged at the rear ends of the first cavity section, the second cavity section and the third cavity section and at the front end of the fourth cavity section, and each exhaust branch pipe is connected with the second air pipe.
This improvement cools off different barrel sections through setting up different fans, realizes the difference control to each section temperature, the satisfying extrusion molding process requirement that can be better.
As an improvement to the above embodiment, the lower end of the middle shaft is provided with a collar 24 which is rotationally matched with the middle shaft, the circumferential surface of the collar is connected with ribs 25 which are arranged in a cross shape, and the outer end parts of the ribs are fixedly connected with the lower end of the cylindrical shell. The lower end of the middle shaft is limited by the sleeve ring, so that the stability of the spiral mixer in rotation can be better ensured, and the reduction of vibration and noise is facilitated.
As a modification to the above embodiment, the upper part of the conical shell is also provided with a level sensor 26. In the specific implementation, the level sensor is connected with a controller of the hopper feeding mechanism, and the level sensor inputs a detection signal into the controller of the hopper feeding mechanism. In a specific implementation, the level sensor 26 may be a 3D imaging level sensor with high interference rejection, and may also be an ultrasonic level sensor or other types of level sensors. When the level sensor detects that the level of material in the conical shell rises to the warning position, the controller controls the hopper feeding mechanism to pause to avoid the problem of material blockage.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (4)

1. A door and window frame plastic-steel section plastic extruding machine comprises a machine barrel, a screw rod arranged in the machine barrel, a machine shell arranged on the outer side of the machine barrel, an electromagnetic heater arranged in the machine shell, a hopper connected with the rear end of the machine barrel, and an air cooler for air cooling the machine barrel, wherein an air outlet of the air cooler is connected with the machine shell through a first air pipe, the first air pipe is used for feeding cooling air into an annular cavity channel between the electromagnetic heater and the machine barrel, a second air pipe is also arranged on the machine shell and used for discharging the cooling air in the annular cavity channel, the hopper comprises a hopper shell, and the hopper shell consists of a cylindrical shell and a conical shell connected to the lower end of the cylindrical shell; the method is characterized in that:
the hopper also comprises a spiral mixer, the spiral mixer comprises a middle shaft which is arranged at the central part of the hopper shell and is in running fit with the hopper shell, and the spiral mixer also comprises an upper spiral material homogenizing assembly, a middle spiral material homogenizing assembly and a lower spiral material homogenizing assembly which are sequentially arranged on the middle shaft from top to bottom;
the upper spiral material homogenizing assembly comprises a first sleeve fixedly sleeved on the middle shaft, spiral blades uniformly arranged on the upper section of the first sleeve along the circumferential direction, and upper spiral material distributing plates uniformly arranged on the first sleeve along the circumferential direction and positioned below the spiral blades;
the middle spiral material homogenizing assembly comprises a second sleeve, a middle spiral material distributing plate and a connecting ring, the second sleeve is sleeved on the middle shaft and is in rotary fit with the middle shaft, the middle spiral material distributing plate is evenly arranged on the second sleeve along the circumferential direction, the connecting ring is fixed on the outer edge of the spiral material distributing plate, and the connecting ring is fixedly connected with the hopper shell;
the lower spiral material homogenizing assembly comprises a third sleeve fixedly sleeved on the middle shaft and lower spiral material distributing plates uniformly arranged on the third sleeve along the circumferential direction;
the top of the cylindrical shell is provided with a feeding pipe, a material flow entering from the feeding pipe impacts the propeller blades during feeding, the propeller blades drive the middle shaft to rotate, and then the middle shaft drives the upper spiral material homogenizing assembly and the lower spiral material homogenizing assembly to rotate; the lower end of the cylindrical shell is provided with a discharge port;
the door and window frame plastic steel section plastic extruding machine further comprises an air heater arranged on the side portion of the hopper shell through a support, the air inlet end of the air heater is connected with the air outlet end of the second air pipe, the air outlet end of the air heater is connected with the upper portion of the conical shell through a third air pipe, and an exhaust pipe is arranged at the top of the cylindrical shell.
2. The plastic steel profile extruder for door and window frames as claimed in claim 1, wherein: the cooling device comprises a shell, a screw rod, a first cooling fan, a second cooling fan, a third cooling fan, a partition plate, a second cooling fan, a third cooling fan, a fourth cooling fan, a first cooling fan, a second cooling fan, a third cooling fan and a feeding fan, wherein the first cooling fan, the second cooling fan and the third cooling fan are arranged in the shell; four corresponding first air pipes are arranged;
the air outlet of the first air cooler is connected with the front end of the first cavity section through a first air pipe, the air outlet of the second air cooler is connected with the front end of the second cavity section through a first air pipe, the air outlet of the third air cooler is connected with the front end of the third cavity section through a first air pipe, and the air outlet of the third air cooler is also connected with the rear end of the fourth cavity section through a first air pipe; and exhaust branch pipes are arranged at the rear ends of the first cavity section, the second cavity section and the third cavity section and at the front end of the fourth cavity section, and each exhaust branch pipe is connected with the second air pipe.
3. The plastic steel profile extruder for door and window frames as claimed in claim 1, wherein: the lower end of the middle shaft is provided with a sleeve ring which is in running fit with the middle shaft, the circumferential surface of the sleeve ring is connected with ribs which are arranged in a cross shape, and the outer side end parts of the ribs are fixedly connected with the lower end of the cylindrical shell.
4. The plastic steel profile extruder for door and window frames as claimed in claim 1, wherein: and a material level sensor is also arranged at the upper part of the conical shell.
CN201910672349.2A 2019-07-24 2019-07-24 Plastic-steel section plastic extruding machine for door and window frame Active CN110341161B (en)

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CN201910672349.2A CN110341161B (en) 2019-07-24 2019-07-24 Plastic-steel section plastic extruding machine for door and window frame

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Application Number Priority Date Filing Date Title
CN201910672349.2A CN110341161B (en) 2019-07-24 2019-07-24 Plastic-steel section plastic extruding machine for door and window frame

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CN110341161B true CN110341161B (en) 2021-09-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236236A1 (en) * 1986-03-05 1987-09-09 Commissariat A L'energie Atomique Mixing device for two liquids having different densities
CN2753445Y (en) * 2004-09-13 2006-01-25 高松 Aminobenzene efficient energy-saving mixer
CN206536813U (en) * 2016-12-22 2017-10-03 北京五洲泡沫塑料有限公司 A kind of Novel extruder
CN109571907A (en) * 2018-11-23 2019-04-05 广州市普同实验分析仪器有限公司 A kind of single screw rod extruding production line
CN109624261A (en) * 2019-02-21 2019-04-16 上海金纬管道设备制造有限公司 Heat-energy recovering apparatus, extrusion equipment and the heat energy recovering method of extrusion equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0236236A1 (en) * 1986-03-05 1987-09-09 Commissariat A L'energie Atomique Mixing device for two liquids having different densities
CN2753445Y (en) * 2004-09-13 2006-01-25 高松 Aminobenzene efficient energy-saving mixer
CN206536813U (en) * 2016-12-22 2017-10-03 北京五洲泡沫塑料有限公司 A kind of Novel extruder
CN109571907A (en) * 2018-11-23 2019-04-05 广州市普同实验分析仪器有限公司 A kind of single screw rod extruding production line
CN109624261A (en) * 2019-02-21 2019-04-16 上海金纬管道设备制造有限公司 Heat-energy recovering apparatus, extrusion equipment and the heat energy recovering method of extrusion equipment

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