CN212498869U

CN212498869U - Single-screw extruder with circulating cooling device

Info

Publication number: CN212498869U
Application number: CN202020876726.2U
Authority: CN
Inventors: 主成节; 方述巧; 杜仁仨
Original assignee: Jiangsu Qijie Machinery Co ltd
Current assignee: Jiangsu Qijie Machinery Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-02-09
Anticipated expiration: 2030-05-22

Abstract

The utility model provides a single screw extruder with circulative cooling device relates to extruder technical field. This single screw extruder with circulative cooling device, comprising a base plate, the bottom plate top is provided with the drum, the inside extrusion screw that is provided with of drum, drum top one side is provided with feed hopper, the drum outside is provided with the cooling module, drum one end is provided with power component, the cooling module includes first solid fixed ring, second arc ring, first cooling tube, second cooling tube, connecting plate and backward flow ring, the solid fixed ring equal fixed connection in the drum outside of first solid fixed ring and second. This single screw extruder with circulative cooling device enters into first radiator through the reflux ring inside, can become the water droplet with water atomization through this device and cool down to the drum surface to can cyclic utilization, can reach good cooling effect, the practicality is strong in the in-service use.

Description

Single-screw extruder with circulating cooling device

Technical Field

The utility model relates to an extruder technical field specifically is a single screw extruder with circulative cooling device.

Background

The screw extruder is capable of fully plasticizing and uniformly mixing materials by means of pressure and shearing force generated by rotation of a screw, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, a rare multi-screw extruder and a non-screw extruder through the molding of a neck mold.

However, the traditional extruder lacks a corresponding cooling structure, so that the temperature of the extruder is too high during discharging, and the extrusion of raw materials and the service life of the whole device are influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a single screw extruder with circulative cooling device to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a single-screw extruder with a circulating cooling device comprises a bottom plate, wherein a cylinder is arranged at the top of the bottom plate, an extrusion screw is arranged in the cylinder, a feeding hopper is arranged on one side of the top of the cylinder, a cooling assembly is arranged on the outer side of the cylinder, and a power assembly is arranged at one end of the cylinder;

the cooling assembly comprises a first fixing ring, a second fixing ring, a first radiating tube, a second radiating tube, a connecting plate and a backflow ring, wherein the first fixing ring and the second fixing ring are fixedly connected to the outer side of the cylinder, the first radiating tube and the second radiating tube are arranged between the first fixing ring and the second fixing ring, one sides, close to the cylinder, of the first radiating tube and the second radiating tube are provided with water leakage holes, the water leakage holes are arranged in a conical shape, the connecting plate is arranged on the outer side of the cylinder, the first radiating tube and the second radiating tube are fixedly connected with the connecting plate, the backflow ring is arranged on the outer side of the connecting plate, a water inlet tube is arranged between the first radiating tube and the backflow ring, and a water outlet tube is arranged between the second radiating;

the power assembly comprises a piston, a connecting rod, a connecting sheet, a first pull rod, a second pull rod and a rotating rod, the piston is connected to the inside of the first radiating tube and the inside of the second radiating tube in a sliding mode, the end, close to the cylinder, of the first pull rod and the connecting rod are fixedly connected with the piston, the end, far away from the cylinder, of the connecting rod is fixedly connected with the connecting sheet, the outer side of the rotating rod is rotatably connected with a sleeve, and the first pull rod and the second pull rod are rotatably connected with the sleeve.

Preferably, the extrusion screw comprises a transmission shaft and a spiral plate, and the spiral plate is fixedly connected to the outer side of the transmission shaft.

Preferably, the transmission shaft penetrates through the cylinder and extends to the outer side of the cylinder, a motor is arranged at one end of the cylinder, and the transmission shaft is fixedly connected with the output end of the motor.

Preferably, the outer side of the rotating rod is fixedly connected with a driven gear, and one end, far away from the motor, of the transmission shaft is fixedly connected with a driving gear meshed with the driven gear.

Preferably, the inside of the backflow ring is provided with a cavity, the water inlet pipe and the water outlet pipe both penetrate through the backflow ring and extend to the inside of the backflow ring, and the control valves are arranged on the outer sides of the water inlet pipe and the water outlet pipe.

Preferably, the bottom end of the rotating rod is rotatably connected with a vertical cylinder, and the vertical cylinder is fixedly connected to the top of the bottom plate.

Preferably, a water replenishing pipe is arranged at the top of the backflow ring, the water replenishing pipe penetrates through the backflow ring and extends to the inside of the backflow ring, and an end cover is in threaded connection with the top of the backflow ring.

Preferably, a base is arranged on the outer side of the cylinder and is rotatably connected with the base, a standing plate is fixedly connected with the bottom end of the backflow ring, and a mounting seat is fixedly connected with the bottom of the motor.

The utility model provides a single screw extruder with circulative cooling device, its beneficial effect who possesses as follows:

1. this single screw extruder with circulative cooling device passes through inside feed hopper carries the raw materials to the drum, drives the spiral plate through the motor output and rotates and can extrude the discharge with the inside raw materials of drum to meshing through driving gear and driven gear can drive the bull stick and rotate, can drive the bull stick through this structure when extruding the raw materials and rotate, can prepare for the later stage cooling, is favorable to simplifying the structure of device, reduces the use of device spare part, thereby reduction in production cost.

2. This single screw extruder with circulative cooling device can drive first pull rod and second pull rod through the bull stick rotation and be reciprocating motion, can drive the piston when first pull rod moves left and slide left, discharge the inside water of first cooling tube through the hole that leaks, the discharged water is atomized and is the water droplet and can cool down to the drum surface, later the discharged water can flow to second cooling tube department along the connecting plate, and then enter into to the second cooling tube through the hole that leaks insidely, when the bull stick drives the second pull rod and moves left, can pass through outlet pipe discharge with the inside water of second cooling tube, enter into first cooling tube inside through the reflux ring, can become the water droplet with water atomization through this device and cool down to the drum surface, and can cyclic utilization, can reach good cooling effect, in-process practicality is strong in the in-service use.

Drawings

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

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the reflux ring structure of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a cylinder; 3. extruding the screw; 4. a feed hopper; 5. a first retaining ring; 6. A second retaining ring; 7. a first radiating pipe; 8. a second heat dissipation pipe; 9. a connecting plate; 10. a reflux ring; 11. A water inlet pipe; 12. a water outlet pipe; 13. a piston; 14. a connecting rod; 15. connecting sheets; 16. a first pull rod; 17. a second pull rod; 18. a rotating rod; 19. a sleeve; 20. a drive shaft; 21. a spiral plate; 22. a motor; 23. a vertical cylinder; 24. a water replenishing pipe.

Detailed Description

The embodiment of the utility model provides a single screw extruder with circulative cooling device, as shown in fig. 1-5, including bottom plate 1, bottom plate 1 top is provided with drum 2, the drum 2 outside is provided with the base and is connected with the base rotation, drum 2 is inside to be provided with extrusion screw 3, extrusion screw 3 includes transmission shaft 20 and spiral plate 21, spiral plate 21 fixed connection is in the transmission shaft 20 outside, can extrude the raw materials in drum 2 through spiral plate 21 and discharge, transmission shaft 20 runs through drum 2 and extends to the drum 2 outside, drum 2 one end is provided with motor 22, motor 22 bottom fixedly connected with mount pad, transmission shaft 20 and motor 22 output end fixed connection, drum 2 top one side is provided with feed hopper 4, the drum 2 outside is provided with the cooling subassembly, drum 2 one end is provided with power component;

the cooling assembly comprises a first fixing ring 5, a second fixing ring 6, a first radiating pipe 7, a second radiating pipe 8, a connecting plate 9 and a backflow ring 10, a station plate is fixedly connected to the bottom end of the backflow ring 10, the first fixing ring 5 and the second fixing ring 6 are fixedly connected to the outer side of the cylinder 2, the first radiating pipe 7 and the second radiating pipe 8 are arranged between the first fixing ring 5 and the second fixing ring 6, water leakage holes are formed in the sides, close to the cylinder 2, of the first radiating pipe 7 and the second radiating pipe 8, the water leakage holes are conical, the connecting plate 9 is arranged on the outer side of the cylinder 2, the first radiating pipe 7 and the second radiating pipe 8 are fixedly connected with the connecting plate 9, the backflow ring 10 is arranged on the outer side of the connecting plate 9, a water replenishing pipe 24 is arranged at the top of the backflow ring 10, the water replenishing pipe 24 penetrates through the backflow ring 10 and, the backflow ring 10 is beneficial to backflow of used water to the inside of the first radiating pipe 7, a water inlet pipe 11 is arranged between the first radiating pipe 7 and the backflow ring 10, a cavity is formed inside the backflow ring 10, the water inlet pipe 11 and a water outlet pipe 12 both penetrate through the backflow ring 10 and extend to the inside of the backflow ring 10, control valves are arranged on the outer sides of the water inlet pipe 11 and the water outlet pipe 12, a control valve is arranged on the outer side of the water inlet pipe 11, so that water in the first radiating pipe 7 can only be discharged from a water leakage hole and cannot be discharged from the water outlet pipe 12 after being extruded, and a water outlet pipe 12 is arranged between the second radiating pipe 8 and the;

the power assembly comprises a piston 13, a connecting rod 14, a connecting sheet 15, a first pull rod 16, a second pull rod 17 and a rotating rod 18, a driven gear is fixedly connected with the outer side of the rotating rod 18, one end of a transmission shaft 20, far away from a motor 22, is fixedly connected with a driving gear meshed with the driven gear, the rotating rod 18 can be driven to rotate by the meshing of the driving gear and the driven gear, the bottom end of the rotating rod 18 is rotatably connected with a vertical cylinder 23, the vertical cylinder 23 is fixedly connected with the top of the bottom plate 1, being connected with vertical section of thick bamboo 23 through rotating in bull 18 bottom is favorable to keeping the stability of bull 18 pivoted, piston 13 sliding connection is inside first cooling tube 7 and second cooling tube 8, and first pull rod 16 and connecting rod 14 are close to drum 2 one end all with piston 13 fixed connection, and drum 2 one end and connection piece 15 fixed connection are kept away from to connecting rod 14, and the bull 18 outside is rotated and is connected with sleeve 19, and first pull rod 16 and second pull rod 17 all rotate with sleeve 19 and be connected.

The implementation mode is specifically as follows: the feeding hopper 4 is arranged on one side of the top of the cylinder 2, when the device is used, raw materials are conveyed into the cylinder 2 through the feeding hopper 4, the output end of the motor 22 drives the transmission shaft 20 to rotate, the raw materials in the cylinder 2 can be extruded and discharged through the spiral plate 21, the transmission shaft 20 can drive the driving gear to rotate, the rotating rod 18 can be driven to rotate through the meshing of the driving gear and the driven gear, the vertical cylinder 23 is rotatably connected to the bottom end of the rotating rod 18, the rotating rod 18 is favorably kept in rotating stability, the rotating rod 18 can be driven to rotate while the raw materials are extruded through the structure, the structure of the device is favorably simplified, the use of parts of the device is reduced, and therefore the production cost is reduced;

the rotating rod 18 can drive the first pull rod 16 and the second pull rod 17 to reciprocate in the rotating process, namely when the first pull rod 16 moves leftwards, the second pull rod 17 is pulled rightwards by the rotating rod 18, so that when the first pull rod 16 moves leftwards, the connecting sheet 15 and the connecting rod 14 can be driven to move leftwards, the piston 13 inside the first radiating pipe 7 is driven to slide leftwards, the water inside the first radiating pipe 7 can be discharged through the water leakage hole, a control valve is arranged outside the water inlet pipe 11, the water inside the first radiating pipe 7 can be discharged only from the water leakage hole but not from the water outlet pipe 12 after being extruded, the water discharged from the water leakage hole is atomized into small water drops to cool the surface of the cylinder 2, and the connecting plate 9 is arranged outside the cylinder 2, so that the discharged water can flow to the second radiating pipe 8 along the connecting plate 9 and then enter the second radiating pipe 8 through the water leakage hole at the top of the second radiating pipe, can promote second pull rod 17 left after the bull stick 18 rotates certain angle, and first pull rod 16 is pulled to the right side, second pull rod 17 can drive piston 13 this moment and slide and pass through outlet pipe 12 with the inside water of second cooling tube 8 and discharge, and then enter into inside first cooling tube 7 through backflow ring 10 and inlet tube 11, with this recycle that realizes water, can become the water droplet with water atomization through this device and cool down drum 2 surface, and can cyclic utilization, can reach good cooling effect, the practicality is strong in the in-service use process.

The basic principle features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A single screw extruder with a circulating cooling device, comprising a base plate (1), characterized in that: a cylinder (2) is arranged at the top of the bottom plate (1), an extrusion screw (3) is arranged in the cylinder (2), a feeding hopper (4) is arranged on one side of the top of the cylinder (2), a cooling assembly is arranged on the outer side of the cylinder (2), and a power assembly is arranged at one end of the cylinder (2);

the cooling assembly comprises a first fixing ring (5), a second fixing ring (6), a first radiating pipe (7), a second radiating pipe (8), a connecting plate (9) and a backflow ring (10), wherein the first fixing ring (5) and the second fixing ring (6) are fixedly connected to the outer side of the cylinder (2), the first radiating pipe (7) and the second radiating pipe (8) are arranged between the first fixing ring (5) and the second fixing ring (6), one sides of the first radiating pipe (7) and the second radiating pipe (8) close to the cylinder (2) are respectively provided with a water leakage hole, the water leakage hole is conical, the connecting plate (9) is arranged on the outer side of the cylinder (2), the first radiating pipe (7) and the second radiating pipe (8) are fixedly connected with the connecting plate (9), the backflow ring (10) is arranged on the outer side of the connecting plate (9), a water inlet pipe (11) is arranged between the first radiating pipe (7) and the backflow ring (10), a water outlet pipe (12) is arranged between the second radiating pipe (8) and the backflow ring (10);

power component includes piston (13), connecting rod (14), connection piece (15), first pull rod (16), second pull rod (17) and bull stick (18), piston (13) sliding connection is inside in first cooling tube (7) and second cooling tube (8), first pull rod (16) and connecting rod (14) are close to drum (2) one end all with piston (13) fixed connection, drum (2) one end and connection piece (15) fixed connection are kept away from in connecting rod (14), bull stick (18) outside is rotated and is connected with sleeve (19), first pull rod (16) and second pull rod (17) all rotate with sleeve (19) and are connected.

2. A single screw extruder with a circulating cooling device according to claim 1, wherein: the extrusion screw (3) comprises a transmission shaft (20) and a spiral plate (21), and the spiral plate (21) is fixedly connected to the outer side of the transmission shaft (20).

3. A single screw extruder with circulation cooling device according to claim 2, characterized in that: the transmission shaft (20) penetrates through the cylinder (2) and extends to the outer side of the cylinder (2), a motor (22) is arranged at one end of the cylinder (2), and the transmission shaft (20) is fixedly connected with the output end of the motor (22).

4. A single screw extruder with circulation cooling device according to claim 3, characterized in that: the outer side of the rotating rod (18) is fixedly connected with a driven gear, and one end, far away from the motor (22), of the transmission shaft (20) is fixedly connected with a driving gear meshed with the driven gear.

5. A single screw extruder with a circulating cooling device according to claim 1, wherein: the inside cavity that sets up of return ring (10), inside inlet tube (11) and outlet pipe (12) all run through return ring (10) and extend to return ring (10), inlet tube (11) and outlet pipe (12) outside all are provided with the control valve.

6. A single screw extruder with a circulating cooling device according to claim 1, wherein: the bottom end of the rotating rod (18) is rotatably connected with a vertical cylinder (23), and the vertical cylinder (23) is fixedly connected to the top of the bottom plate (1).

7. A single screw extruder with a circulating cooling device according to claim 1, wherein: the top of the backflow ring (10) is provided with a water replenishing pipe (24), the water replenishing pipe (24) penetrates through the backflow ring (10) and extends to the inside of the backflow ring (10), and the top of the backflow ring (10) is in threaded connection with an end cover.

8. A single screw extruder with circulation cooling device according to claim 3, characterized in that: the outer side of the cylinder (2) is provided with a base and is rotationally connected with the base, the bottom end of the reflux ring (10) is fixedly connected with a standing plate, and the bottom of the motor (22) is fixedly connected with a mounting seat.