CN213198717U

CN213198717U - Double-screw double-stage extruder with cooling mechanism

Info

Publication number: CN213198717U
Application number: CN202021995458.2U
Authority: CN
Inventors: 何继志
Original assignee: Yixing Baitong Plastics Co ltd
Current assignee: Yixing Baitong Plastics Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-14
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a twin-screw double-step extruder with cooling body, including feeding mouth and activity groove, the right side of feeding mouth is provided with the preheating tube, and the right side of preheating tube is provided with insulating sealed glue, the bottom of control block is provided with the control flume, and the bottom mounting of control flume has the control panel, the inside of export control panel is provided with the outlet pipe, the inside of barrel is provided with the screw rod, and the internally mounted of screw rod has the bull stick, the bottom mounting of bull stick has the fly leaf, and the bottom of fly leaf is provided with accepts the board, the bottom of accepting the board is connected with the extrusion motor, the external fixed surface of fly leaf has the movable block, and the surface of movable block is provided with the activity groove. The double-screw double-stage extruder with the cooling mechanism is provided with the feeding port and the preheating pipe, so that the effect of residual internal pressure of a product due to quenching in the extrusion process can be prevented, the fluctuation of extrusion pressure caused by the temperature fluctuation of the product is avoided, the extrusion amount is stabilized, and the extrusion quality is ensured.

Description

Double-screw double-stage extruder with cooling mechanism

Technical Field

The utility model relates to an extruder technical field specifically is a double screw double-step extruder with cooling body.

Background

The extruder belongs to one of the types of plastic machinery, originates from 18 th century, can divide a machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of a central line of a screw rod, can fully plasticize and uniformly mix materials by the aid of pressure and shearing force generated by rotation of the screw rod, and can be basically classified into a double-screw extruder, a single-screw extruder, a rare multi-screw extruder and a non-screw extruder through die molding.

The existing double-screw double-stage extruder has the problems that the mixing property of materials is not additionally processed, so that the mixing of all the materials is not sufficient, the process time is long, the production efficiency is low, the energy consumption is high, certain pollution is caused to the environment, the coating effect is not good, the defect of poor quality of the final materials is caused, the quality of the extruded materials is influenced, a cooling device is lacked, the materials can crack in the using process, air leakage is easy to occur in the extruding process, the extruding quality cannot reach the standard, the position of a screw cannot be adjusted, the disassembly is inconvenient, daily maintenance and repair cannot be well carried out, a preheating system is not provided, the extruding quantity cannot be stable, the extruding quantity cannot be well controlled, the using requirements of people cannot be well met, and technical innovation is carried out on the basis of the existing double-screw double-stage extruder aiming at.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw double-stage extruder with a cooling mechanism, which solves the problems that the existing double-screw double-stage extruder in the background art has no additional treatment on the material mixing property, so that the mixing of all the materials is not sufficient, the process time is long, the production efficiency is low, the energy consumption is high, causes a certain pollution to the environment, leads to the defect of poor quality of the final material, influences the quality of the extruded material, lacks a cooling device, leads the material to crack in the using process, the easy gas leakage of in-process is extruding, and the extrusion quality can not be up to standard, can't carry out the position control of screw rod, inconvenient dismantlement, and the unable fine daily maintenance and the maintenance of carrying on does not have the preheating system, and the extrusion capacity can not be stable and the problem of uncontrollable extrusion capacity, the not fine user demand problem of satisfying people that can not.

In order to achieve the above object, the utility model provides a following technical scheme: a double-screw double-stage extruder with a cooling mechanism comprises a feeding port and a movable groove, wherein a preheating pipe is arranged on the right side of the feeding port, insulating sealant is arranged on the right side of the preheating pipe, a machine barrel is arranged on the right side of the insulating sealant, a bent pipe is arranged on the right side of the machine barrel, an exhaust fan is arranged at the bottom end of the bent pipe, a conveying bin is arranged at the bottom end of the exhaust fan, a base is fixed on the outer side of the conveying bin, a material discharging port is formed in the bottom end of the base, a cooling pipe is fixed on the right side of the material discharging port, a cooling pump is installed on the right side of the cooling pipe, an outlet control board is arranged at the bottom end of the material discharging port, a control block is installed at the bottom end of the outlet control board, a control board is arranged at the bottom end of the control board, an outlet pipe is, and the internally mounted of screw rod has the bull stick, the bottom mounting of bull stick has the fly leaf, and the bottom of fly leaf is provided with accepts the board, the bottom of accepting the board is connected with extrusion motor, the surface mounting of fly leaf has the movable block, and the surface of movable block is provided with the activity groove.

Preferably, the preheating pipe is tightly attached to the feeding port, and the central axis of the preheating pipe is perpendicular to the feeding port.

Preferably, a sealing structure is formed between the insulating sealant and the machine barrel, and the central axis of the insulating sealant is parallel to the machine barrel.

Preferably, the bottom of air discharge fan closely laminates with the top of defeated feed bin, and the air discharge fan is provided with two.

Preferably, the outlet control plate forms a sliding structure with the control plate through the control block and the control groove, the outlet pipe penetrates through the inside of the outlet control plate, and the outlet pipe is uniformly distributed along the outer surface of the outlet control plate.

Preferably, the cooling pump is configured to communicate with the discharge port through a cooling pipe, and the cooling pipe is inserted through an outer surface of the discharge port.

Preferably, the movable plate forms a sliding structure with the bearing plate through the movable block and the movable groove, and the rotating rod is fixedly connected with the movable plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the feeding port and the preheating pipe are arranged, so that the effect of residual internal pressure of a product due to quenching in the extrusion process can be prevented, the fluctuation of extrusion pressure caused by the temperature fluctuation of the product is avoided, the extrusion amount is stabilized, and the extrusion quality is ensured; the arranged insulating sealing adhesive and the machine barrel can prevent the product from air leakage in the extrusion process, and prevent the possibility of air holes in the product due to the action of moisture and the moisture wound on the cushion layer, thereby stabilizing the extrusion amount and ensuring the extrusion quality;

2. the exhaust fan and the conveying bin are arranged, so that waste gas generated in the extrusion process of the product can be discharged in time, the influence on the production quality of the product caused by excessive waste gas accumulation is avoided, the normal use is further influenced, and the increase of the production cost is prevented; the outlet control plate, the control block, the control groove and the control plate are arranged, so that the outlet quantity of a product can be conveniently changed, the change is convenient according to the production requirement of a user, the device is more flexible and controllable, and the market requirement can be better met;

3. the cooling pump, the cooling pipe and the material discharge port are arranged, so that a formed product can be rapidly cooled and shaped, the deformation under the action of gravity is avoided, the normal use is prevented from being influenced, the internal stress of the product can be effectively reduced, and the cracking in the use process is prevented; the fly leaf that sets up, accept board, movable block and activity groove can be convenient for carry out the position control of screw rod, conveniently changes the material mixing ability, effectively improves the extrusion quality of material, and convenient the dismantlement, is convenient for carry out daily maintenance and maintenance.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the exit control plate of the present invention;

FIG. 3 is a schematic view of the internal partial sectional structure of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the movable plate of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the receiving plate of the present invention.

In the figure: 1. a feeding port; 2. a preheating pipe; 3. insulating sealant; 4. a barrel; 5. a curved pipe; 6. an exhaust fan; 7. a material conveying bin; 8. a base; 9. a material discharging port; 10. an outlet control panel; 11. a cooling tube; 12. a cooling pump; 13. a control block; 14. a control slot; 15. a control panel; 16. an outlet pipe; 17. a movable plate; 18. an extrusion motor; 19. a rotating rod; 20. a screw; 21. a bearing plate; 22. a movable block; 23. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a double-screw double-stage extruder with a cooling mechanism comprises a feeding port 1 and a movable groove 23, wherein a preheating pipe 2 is arranged on the right side of the feeding port 1, an insulating sealant 3 is arranged on the right side of the preheating pipe 2, a machine barrel 4 is arranged on the right side of the insulating sealant 3, a bent pipe 5 is arranged on the right side of the machine barrel 4, an exhaust fan 6 is arranged at the bottom end of the bent pipe 5, a conveying bin 7 is arranged at the bottom end of the exhaust fan 6, a base 8 is fixed on the outer side of the conveying bin 7, a discharging port 9 is arranged at the bottom end of the base 8, a cooling pipe 11 is fixed on the right side of the discharging port 9, a cooling pump 12 is installed on the right side of the cooling pipe 11, an outlet control plate 10 is arranged at the bottom end of the discharging port 9, a control block 13 is installed at the bottom end of the outlet control plate 10, a control groove 14 is arranged at the bottom end of the control groove 14, the inside of barrel 4 is provided with screw 20, and the internally mounted of screw 20 has bull stick 19, and the bottom of bull stick 19 is fixed with movable plate 17, and the bottom of movable plate 17 is provided with accepts the board 21, and the bottom of accepting the board 21 is connected with extrusion motor 18, and the surface mounting of movable plate 17 has movable block 22, and the surface of movable block 22 is provided with movable groove 23.

The utility model discloses in: the preheating pipe 2 is tightly attached to the feeding port 1, and the central axis of the preheating pipe 2 is vertical to the feeding port 1; the feeding port 1 and the preheating pipe 2 are arranged, so that the effect of residual internal pressure of a product due to quenching in the extrusion process can be prevented, the fluctuation of extrusion pressure caused by the temperature fluctuation of the product is avoided, the extrusion amount is stabilized, and the extrusion quality is ensured.

The utility model discloses in: a sealing structure is formed between the insulating sealant 3 and the machine barrel 4, and the central axis of the insulating sealant 3 is parallel to the machine barrel 4; be provided with sealed 3 and barrel 4 of glue of insulating, can make the goods avoid taking place gas leakage in extrusion process, prevent because moisture and the effect of the moisture around the covering bed course make the possibility of appearing the gas pocket in the goods to stabilize the extrusion capacity, guarantee to extrude the quality.

The utility model discloses in: the bottom end of the exhaust fan 6 is tightly attached to the top end of the material conveying bin 7, and two exhaust fans 6 are arranged; be provided with air discharge fan 6 and defeated feed bin 7, can in time discharge the waste gas that the goods produced in the extrusion process, avoid the waste gas accumulation too much to lead to the production quality of goods to receive the influence, influence normal use then, prevent manufacturing cost's increase.

The utility model discloses in: the outlet control plate 10 forms a sliding structure with the control plate 15 through the control block 13 and the control groove 14, the outlet pipe 16 penetrates through the inside of the outlet control plate 10, and the outlet pipe 16 is uniformly distributed along the outer surface of the outlet control plate 10; the outlet control plate 10, the control block 13, the control groove 14 and the control plate 15 are arranged, so that the outlet quantity of a product can be changed conveniently, the product can be changed conveniently according to the production requirements of users, the device becomes more flexible and controllable, and the market requirements can be better met.

The utility model discloses in: the cooling pump 12 forms a communication structure with the material discharge port 9 through the cooling pipe 11, and the cooling pipe 11 penetrates through the outer surface of the material discharge port 9; the cooling pump 12, the cooling pipe 11 and the material discharge port 9 are arranged, so that a formed product can be rapidly cooled and shaped, the phenomenon that the product is deformed under the action of gravity to affect normal use is avoided, the internal stress of the product can be effectively reduced, and cracking in the use process is prevented.

The utility model discloses in: the movable plate 17 forms a sliding structure with the bearing plate 21 through the movable block 22 and the movable groove 23, and the rotating rod 19 is fixedly connected with the movable plate 17; be provided with fly leaf 17, accept board 21, movable block 22 and activity groove 23, can be convenient for carry out the position control of screw rod 20, conveniently change material mixing ability, effectively improve the extrusion quality of material, and convenient the dismantlement, be convenient for carry out daily maintenance and maintenance.

The working principle of the double-screw double-stage extruder with the cooling mechanism is as follows: firstly, materials to be extruded are poured into a feeding port 1 at the top end of a base 8, a preheating pipe 2 with the model number of 08 is opened, the entering materials are heated, the materials enter a conveying bin 7 from the feeding port 1, the two barrels 4 are connected with barrels 4, insulating sealant 3 made of rubber is connected between the barrels 4, the space inside the conveying bin 7 is completely sealed, then an extruding motor 18 is opened, a rotating rod 19 and a screw rod 20 are driven to rotate and start the extruding process, at the moment, a movable block 22 on a movable plate 17 moves left and right in a movable groove 23 in a bearing plate 21, the position adjustment of the screw rod 20 can be conveniently carried out, the material mixing capacity can be conveniently changed, the extruding quality of the materials is effectively improved, the disassembly and the daily maintenance are convenient, the materials reach a discharging port 9 along the conveying bin 7 through a bending pipe 5, at this time, the exhaust fan 6 may be turned on to remove the exhaust gas generated from the hopper 7, and then the cooling pump 12 may be turned on to allow the cooling fluid to enter the discharge port 9 through the cooling pipe 11 to cool the high-temperature material, and when the material exits from the discharge port 9, the control slot 14 in the control board 15 may be moved up and down in the control block 13 on the outlet control board 10 to determine the number of outlet pipes 16 through which the material can pass, thereby determining the discharge speed of the material.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A twin-screw twin-stage extruder with a cooling mechanism, comprising a feed opening (1) and a movable trough (23), characterized in that: the right side of the feeding port (1) is provided with a preheating pipe (2), the right side of the preheating pipe (2) is provided with an insulating sealant (3), the right side of the insulating sealant (3) is provided with a machine barrel (4), the right side of the machine barrel (4) is provided with a bent pipe (5), the bottom end of the bent pipe (5) is provided with an exhaust fan (6), the bottom end of the exhaust fan (6) is provided with a conveying bin (7), the outer side of the conveying bin (7) is fixed with a base (8), the bottom end of the base (8) is provided with a material discharging port (9), the right side of the material discharging port (9) is fixed with a cooling pipe (11), the right side of the cooling pipe (11) is provided with a cooling pump (12), the bottom end of the material discharging port (9) is provided with an outlet control board (10), the bottom end of the outlet control board (10) is provided with a control block (13), and the bottom mounting of control tank (14) has control panel (15), the inside of export control panel (10) is provided with outlet pipe (16), the inside of barrel (4) is provided with screw rod (20), and the internally mounted of screw rod (20) has bull stick (19), the bottom mounting of bull stick (19) has fly leaf (17), and the bottom of fly leaf (17) is provided with accepts board (21), the bottom of accepting board (21) is connected with extrusion motor (18), the external surface mounting of fly leaf (17) has movable block (22), and the surface of movable block (22) is provided with movable groove (23).

2. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: the preheating pipe (2) is tightly attached to the feeding port (1), and the central axis of the preheating pipe (2) is perpendicular to the feeding port (1).

3. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: and a sealing structure is formed between the insulating sealant (3) and the machine barrel (4), and the central axis of the insulating sealant (3) is parallel to the machine barrel (4).

4. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: the bottom of exhaust fan (6) and the top of defeated feed bin (7) closely laminate, and exhaust fan (6) are provided with two.

5. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: the outlet control plate (10) forms a sliding structure with the control plate (15) through the control block (13) and the control groove (14), the outlet pipe (16) penetrates through the outlet control plate (10), and the outlet pipe (16) is uniformly distributed along the outer surface of the outlet control plate (10).

6. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: the cooling pump (12) forms a communication structure with the material discharge port (9) through a cooling pipe (11), and the cooling pipe (11) penetrates through the outer surface of the material discharge port (9).

7. The twin-screw double-stage extruder with a cooling mechanism according to claim 1, characterized in that: the movable plate (17) forms a sliding structure with the bearing plate (21) through the movable block (22) and the movable groove (23), and the rotating rod (19) is fixedly connected with the movable plate (17).