CN212764680U

CN212764680U - Parallel equidirectional double-screw extruder

Info

Publication number: CN212764680U
Application number: CN202020894646.XU
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: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-23
Anticipated expiration: 2030-05-25

Abstract

The utility model provides a parallel syntropy double screw extruder relates to extrusion equipment technical field. This parallel syntropy double screw extruder, comprising a base plate, the bottom plate top is provided with the drum, drum top one side is provided with feed hopper, drum one end is provided with defeated material subassembly, the drum outside is provided with radiator unit, defeated material subassembly includes transmission shaft, spiral plate and motor, transmission shaft and motor output end fixed connection, spiral plate fixed connection is in the transmission shaft outside, the transmission shaft sets up inside the drum. This parallel syntropy twin-screw extruder is through the air extrusion between two lantern rings and then discharge from the louvre, can accelerate the air flow between sleeve and the drum to accelerate the heat dissipation of drum, can dispel the heat to it at the in-process of carrying the raw materials through this device, thereby protect the raw materials, and can protect spare part, extension fixture's life.

Description

Parallel equidirectional double-screw extruder

Technical Field

The utility model relates to an extrusion equipment technical field specifically is a parallel syntropy double screw extruder.

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, when the existing extruder is used in practice, the structure is simple, heat dissipation is carried out only by utilizing the heat dissipation performance of the part, and a corresponding heat dissipation structure is lacked, so that the heat dissipation effect is poor, and the whole service life of the device is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a parallel syntropy double screw extruder 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 parallel and same-direction double-screw extruder comprises a bottom plate, wherein a cylinder is arranged at the top end of the bottom plate, a feeding hopper is arranged on one side of the top of the cylinder, a material conveying assembly is arranged at one end of the cylinder, and a heat dissipation assembly is arranged on the outer side of the cylinder;

the material conveying assembly comprises a transmission shaft, a spiral plate and a motor, the transmission shaft is fixedly connected with the output end of the motor, the spiral plate is fixedly connected to the outer side of the transmission shaft, and the transmission shaft is arranged in the cylinder;

the radiator unit includes sleeve, connecting cylinder, connecting rod, reciprocal lead screw and the lantern ring, the sleeve sets up in the drum outside, feed hopper one end is kept away from to connecting cylinder fixed connection in the sleeve, connecting rod fixed connection is between transmission shaft and connecting cylinder, the lantern ring set up in the drum outside and with drum sliding connection, reciprocal lead screw sets up in the drum outside, reciprocal lead screw runs through the lantern ring, the equal fixedly connected with straight-teeth gear in reciprocal lead screw both ends, the sleeve inner wall is provided with the internal thread with straight-teeth gear engaged with, the sleeve top is provided with the louvre.

Preferably, the outer side of the straight gear is rotatably connected with a supporting rod, the cross section of the supporting rod is L-shaped, and the bottom end of the supporting rod is fixedly connected to the outer side of the cylinder.

Preferably, both sides all are provided with the guide bar around the drum, the guide bar runs through the lantern ring and with lantern ring sliding connection.

Preferably, both ends of the guide rod are fixedly connected with baffle plates, and a support rod is fixedly connected between the baffle plates and the cylinder.

Preferably, the cross-sectional shape of connecting rod sets up to L shape, the quantity of connecting rod sets up to a plurality ofly, and is a plurality of the connecting rod is distributed in the transmission shaft outside in annular array.

Preferably, the sleeve outside is provided with solid fixed ring, gu fixed ring is connected with the sleeve rotation, gu fixed ring bottom fixedly connected with base.

Preferably, one side of the bottom of the cylinder is fixedly connected with a base, the bottom of the motor is fixedly connected with a mounting seat, a bearing seat is arranged on the outer side of the reciprocating screw rod, the bearing seat is connected with the reciprocating screw rod through a ball nut pair, and the lantern ring is fixedly connected to the outer side of the bearing seat.

The utility model provides a parallel syntropy double screw extruder, its beneficial effect who possesses as follows:

1. this parallel syntropy twin-screw extruder is through being provided with feed hopper in drum top one side, can pass through feed hopper with the raw materials during the use and carry to the drum inside, can drive the transmission shaft through the motor and rotate to the flight that drives its outside rotates, can extrude the transport to the raw materials that falls into to the drum inside left, can accomplish the extrusion to the raw materials through this device, and simple structure, stability is good.

2. This parallel syntropy twin-screw extruder passes through the connecting rod and drives the connecting cylinder and rotate, the connecting cylinder drives the sleeve and rotates, internal thread through sleeve inner wall and straight-teeth gear mesh mutually can drive the straight-teeth gear and rotate, thereby it rotates to drive reciprocal lead screw, can drive the lantern ring and be reciprocating motion, can extrude and then discharge from the louvre with the air between two lantern rings, can accelerate the air flow between sleeve and the drum, thereby accelerate the heat dissipation of drum, can dispel the heat to it at the in-process of carrying the raw materials through this device, thereby protect the raw materials, and can protect the spare part, extension fixture's life.

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 top view of the present invention;

FIG. 4 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 5 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a cylinder; 3. a feed hopper; 4. a drive shaft; 5. a spiral plate; 6. a motor; 7. a sleeve; 8. a connecting cylinder; 9. a connecting rod; 10. a reciprocating screw rod; 11. a collar; 12. a spur gear; 13. a strut; 14. a guide bar; 15. a baffle plate; 16. and (4) fixing the ring.

Detailed Description

The embodiment of the utility model provides a parallel equidirectional double-screw extruder, as shown in fig. 1-5, including bottom plate 1, bottom plate 1 top is provided with drum 2, drum 2 bottom one side fixedly connected with base, motor 6 bottom fixedly connected with mount pad, reciprocating screw 10 outside is provided with the bearing frame, the bearing frame is connected through ball nut pair with reciprocating screw 10, lantern ring 11 is fixedly connected outside the bearing frame, drum 2 top one side is provided with feed hopper 3, drum 2 one end is provided with the defeated material subassembly, drum 2 outside is provided with the radiator unit;

the material conveying assembly comprises a transmission shaft 4, a spiral plate 5 and a motor 6, the transmission shaft 4 is fixedly connected with the output end of the motor 6, the spiral plate 5 is fixedly connected to the outer side of the transmission shaft 4, and the transmission shaft 4 is arranged inside the cylinder 2;

the heat dissipation assembly comprises a sleeve 7, a connecting cylinder 8, a connecting rod 9, a reciprocating screw rod 10 and a sleeve ring 11, wherein a fixing ring 16 is arranged on the outer side of the sleeve 7, the fixing ring 16 is rotatably connected with the sleeve 7, a base is fixedly connected to the bottom of the fixing ring 16 and is favorable for fixing the fixing ring 16, the sleeve 7 is arranged on the outer side of the cylinder 2, the connecting cylinder 8 is fixedly connected to one end, away from the feeding funnel 3, of the sleeve 7, the connecting rod 9 is fixedly connected between a transmission shaft 4 and the connecting cylinder 8, the cross section of the connecting rod 9 is set to be L-shaped, the number of the connecting rods 9 is set to be multiple, the connecting rods 9 are distributed on the outer side of the transmission shaft 4 in an annular array manner, the connecting rods 9 are favorable for driving the sleeve 7 to rotate through the connecting cylinder 8, the sleeve ring 11 is arranged on, spur gear 12 outside is rotated and is connected with branch 13, the cross sectional shape of branch 13 sets up to the L shape, branch 13 bottom fixed connection is in the 2 outsides of drum, branch 13 is favorable to supporting spur gear 12, both sides all are provided with guide bar 14 around drum 2, guide bar 14 run through the lantern ring 11 and with 11 sliding connection of the lantern ring, guide bar 14 is favorable to being spacing to the lantern ring 11, thereby make reciprocal lead screw 10 rotate and to drive lantern ring 11 and be reciprocating motion, the equal fixedly connected with baffle 15 in guide bar 14 both ends, fixedly connected with bracing piece between baffle 15 and the drum 2, baffle 15 is favorable to

fixed guide bar

14, 7 inner walls of sleeve are provided with the internal thread with spur gear 12 meshes mutually, 7 tops of sleeve are provided with the louvre.

The implementation mode is specifically as follows: by arranging the feeding funnel 3 on one side of the top of the cylinder 2, raw materials can be conveyed into the cylinder 2 through the feeding funnel 3 when the device is used, the transmission shaft 4 can be driven to rotate through the motor 6, so that the spiral plate 5 on the outer side of the transmission shaft is driven to rotate, and the raw materials falling into the cylinder 2 can be extruded and conveyed leftwards;

the transmission shaft 4 can drive the connecting rod 9 to rotate in the rotating process, so that the connecting cylinder 8 is driven to rotate by the connecting rod 9, the connecting cylinder 8 can drive the sleeve 7 to rotate, the straight gear 12 can be driven to rotate by the meshing of the internal thread of the inner wall of the sleeve 7 and the straight gear 12, so that the reciprocating screw rod 10 is driven to rotate, the reciprocating screw rod 10 is connected with the bearing seat through the ball nut pair, so that the bearing seat can be driven to reciprocate, so that the sleeve rings 11 are driven to reciprocate, when the sleeve rings 11 are close to each other, air between the two sleeve rings 11 can be extruded and then exhausted from the heat dissipation holes, then the sleeve rings 11 can be driven to move towards two sides by the action of the reciprocating screw rod 10, the sleeve rings 11 can be driven to reciprocate by the structure, the heat dissipation holes at the top of the sleeve 7 can be matched to, can dispel the heat to it at the in-process of carrying the raw materials through this device to protect the raw materials, and can protect spare part, prolong the life of device.

The working principle is as follows: can drive transmission shaft 4 through motor 6 and rotate, thereby drive spiral plate 5 and rotate, can will fall into and extrude the transport to the inside raw materials of drum 2 left, meanwhile can drive connecting cylinder 8 through connecting rod 9 and rotate, connecting cylinder 8 drives sleeve 7 and rotates, thereby drive straight-teeth gear 12 and rotate, thereby drive reciprocal lead screw 10 and rotate, can drive lantern ring 11 and be reciprocating motion, when lantern ring 11 is close to each other, can extrude the air between two lantern ring 11 and then discharge from the louvre, thereby can accelerate drum 2's heat dissipation.

The basic principles and the main 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 parallel co-rotating twin-screw extruder comprising a base plate (1), characterized in that: a cylinder (2) is arranged at the top end of the bottom plate (1), a feeding funnel (3) is arranged on one side of the top of the cylinder (2), a material conveying assembly is arranged at one end of the cylinder (2), and a heat dissipation assembly is arranged on the outer side of the cylinder (2);

the material conveying assembly comprises a transmission shaft (4), a spiral plate (5) and a motor (6), the transmission shaft (4) is fixedly connected with the output end of the motor (6), the spiral plate (5) is fixedly connected to the outer side of the transmission shaft (4), and the transmission shaft (4) is arranged inside the cylinder (2);

radiator unit includes sleeve (7), connecting cylinder (8), connecting rod (9), reciprocal lead screw (10) and lantern ring (11), sleeve (7) set up in drum (2) outside, feeding funnel (3) one end is kept away from in sleeve (7) connecting cylinder (8) fixed connection, connecting rod (9) fixed connection is between transmission shaft (4) and connecting cylinder (8), lantern ring (11) set up in drum (2) outside and with drum (2) sliding connection, reciprocal lead screw (10) set up in drum (2) outside, reciprocal lead screw (10) run through lantern ring (11), reciprocal lead screw (10) both ends equal fixedly connected with straight-teeth gear (12), sleeve (7) inner wall is provided with the internal thread with louvre (12) engaged with, sleeve (7) top is provided with.

2. A parallel co-rotating twin screw extruder according to claim 1, wherein: straight-teeth gear (12) outside is rotated and is connected with branch (13), the cross sectional shape of branch (13) sets up to L shape, branch (13) bottom fixed connection is in the drum (2) outside.

3. A parallel co-rotating twin screw extruder according to claim 1, wherein: both sides all are provided with guide bar (14) around drum (2), guide bar (14) run through lantern ring (11) and with lantern ring (11) sliding connection.

4. A parallel co-rotating twin screw extruder according to claim 3, wherein: the guide rod (14) is fixedly connected with a baffle (15) at two ends, and a support rod is fixedly connected between the baffle (15) and the cylinder (2).

5. A parallel co-rotating twin screw extruder according to claim 1, wherein: the cross-sectional shape of connecting rod (9) sets up to L shape, the quantity of connecting rod (9) sets up to a plurality ofly, and is a plurality of connecting rod (9) are ring array and distribute in transmission shaft (4) the outside.

6. A parallel co-rotating twin screw extruder according to claim 1, wherein: the sleeve is characterized in that a fixing ring (16) is arranged on the outer side of the sleeve (7), the fixing ring (16) is rotatably connected with the sleeve (7), and a base is fixedly connected to the bottom of the fixing ring (16).

7. A parallel co-rotating twin screw extruder according to claim 1, wherein: the cylinder (2) bottom one side fixedly connected with base, motor (6) bottom fixedly connected with mount pad, reciprocal lead screw (10) outside is provided with the bearing frame, the bearing frame passes through ball nut pair with reciprocal lead screw (10) and is connected, lantern ring (11) fixed connection is in the bearing frame outside.