CN213972515U

CN213972515U - Grain device is cut to single screw extruder

Info

Publication number: CN213972515U
Application number: CN202022951921.XU
Authority: CN
Inventors: 伍小云
Original assignee: Chengdu Haojie Plastic Products Co ltd
Current assignee: Chengdu Haojie Plastic Products Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-17
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a single screw extruder is with cutting grain device, including extruding head, cooling tube, inlet tube and outlet pipe, extrude first one end fixedly connected with cooling tube, the cooling tube is kept away from the one end of extruding the head and has seted up first recess, the inner wall that first recess is close to one side of extruding the head has seted up the second recess, first recess and second recess intercommunication, be equipped with first extrusion passageway on the extruding head, be equipped with the second extrusion passageway on the cooling tube, first extrusion passageway and second extrusion passageway intercommunication, the second extrusion passageway is communicated with first recess, install heat-conducting piece in the cooling tube, heat-conducting piece is cylinder hollow structure, the metal pipe has been coiled on the heat-conducting piece, the frozen water has been poured into in the metal pipe; the cooling pipe is internally provided with a mounting cavity, and the mounting cavity is close to one side of the inner wall of the first groove and is fixedly connected with a motor. This single screw extruder is with cutting grain device, reasonable in design, easy operation easily promotes.

Description

Grain device is cut to single screw extruder

Technical Field

The utility model belongs to the technical field of single screw extruder, concretely relates to single screw extruder is with cutting grain device.

Background

The single screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can be used for processing various plastic products, such as blown film, extruded tube, press plate, wire drawing belt and the like, and can also be used for melt granulation. The single screw extruder is generally divided into three sections in effective length, and the effective lengths of the three sections are determined according to the diameter, the screw pitch and the screw depth of the screw and are generally divided into one third of the effective lengths.

At present, a single-screw extruder is cooled by water bath after being extruded into strips, and then the strips are placed on the extruder to be arranged in a row for granulating operation, so that the processing steps are complicated, the cost is high, and the production capacity cannot be effectively improved due to the limitation of the existing cooling processing technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single screw extruder is with cutting grain device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a granulating device for a single-screw extruder comprises an extrusion head, a cooling pipe, a water inlet pipe and a water outlet pipe, wherein one end of the extrusion head is fixedly connected with the cooling pipe, one end of the cooling pipe, far away from the extrusion head, is provided with a first groove, the inner wall of one side, close to the extrusion head, of the first groove is provided with a second groove, the first groove is communicated with the second groove, the extrusion head is provided with a first extrusion channel, the cooling pipe is provided with a second extrusion channel, the first extrusion channel is communicated with the second extrusion channel, the second extrusion channel is communicated with the first groove, a heat-conducting piece is installed in the cooling pipe, the heat-conducting piece is of a cylindrical hollow structure, a metal pipe is wound on the heat-conducting piece, and ice water is injected into the metal pipe;

be equipped with the installation cavity in the cooling tube, one side inner wall fixedly connected with motor that the installation cavity is close to first recess, the one end that the motor is located motor output shaft is connected with the pivot, the one end that the motor was kept away from in the pivot is passed the installation intracavity wall and is connected with the connecting piece, the connecting piece passes through the connecting rod and is connected with cutting blade, cutting blade one side and the contact of first recess inner wall.

Preferably, connecting piece, connecting rod and cutting blade all are located first recess, connecting rod, cutting blade all are equipped with the multiunit.

Preferably, one end of the metal pipe is fixedly connected with the water inlet pipe, the other end of the metal pipe is fixedly connected with the water outlet pipe, and the metal pipe is communicated with the water inlet pipe and the water outlet pipe.

Preferably, a through hole is formed in the inner wall of one side, close to the extrusion head, of the second groove, and the through hole is communicated with the installation cavity.

Preferably, the inner wall of one side of the installation cavity, which is far away from the motor, is fixedly connected with a power supply, a fan is further fixedly installed in the installation cavity, and the fan is located between the power supply and the motor.

Preferably, the first groove is close to the inner wall of one side of the extrusion head and is provided with a slide way, the connecting rod is fixedly connected with a slide block matched with the slide way, and the slide block is positioned in the slide way.

The utility model discloses a technological effect and advantage: this single screw extruder is with cutting grain device, the heat conduction piece is the metal material, has the fast advantage of heat conduction, design through the heat conduction piece, the tubular metal resonator of being convenient for is cooled down the raw materials that is located the second and extrudes the passageway, cutting blade can extrude the raw materials of passageway extrusion from the second and carry out eager grain operation, can improve the production efficiency of enterprise, design through the through-hole, thereby be convenient for the motor of installation intracavity to dispel the heat, the fan is bloied towards the motor, accelerate the radiating efficiency of motor, design through slide and slider, the connecting rod of being convenient for rotates in first recess, also can prescribe a limit to the position of connecting rod and cutting blade simultaneously, this single screw extruder is with cutting grain device, and reasonable design, and easy operation, and easy popularization.

Drawings

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

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is a perspective view of the cooling tube of the present invention.

In the figure: the device comprises an extrusion head 1, a first extrusion channel 2, a cooling pipe 3, a power supply 4, a mounting cavity 5, a second extrusion channel 6, a heat conducting piece 7, a metal pipe 8, a cutting blade 9, a connecting rod 10, a connecting piece 11, a first groove 12, a water inlet pipe 13, a motor 14, a water outlet pipe 15, a through hole 16, a second groove 17, a rotating shaft 18, a sliding block 19, a sliding way 20 and a fan 21.

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.

The utility model provides a granulator device for single screw extruder as shown in figures 1-3, which comprises an extrusion head 1, a cooling pipe 3, a water inlet pipe 13 and a water outlet pipe 15, wherein one end of the extrusion head 1 is fixedly connected with the cooling pipe 3, one end of the cooling pipe 3 far away from the extrusion head 1 is provided with a first groove 12, the inner wall of one side of the first groove 12 close to the extrusion head 1 is provided with a second groove 17, the first groove 12 is communicated with the second groove 17, the extrusion head 1 is provided with a first extrusion channel 2, the cooling pipe 3 is provided with a second extrusion channel 6, the first extrusion channel 2 is communicated with the second extrusion channel 6, the second extrusion channel 6 is communicated with the first groove 12, a heat conducting piece 7 is arranged in the cooling pipe 3, the heat conducting piece 7 is of a cylindrical hollow structure, a metal pipe 8 is wound on the heat conducting piece 7, ice water is injected into the metal pipe 8, and the heat conducting piece 7 is made of metal and has the advantage of high heat conduction speed;

be equipped with installation cavity 5 in the cooling tube 3, one side inner wall fixedly connected with motor 14 that installation cavity 5 is close to first recess 12, the one end that motor 14 is located motor output shaft is connected with pivot 18, the one end that motor 14 was kept away from in pivot 18 passes installation cavity 5 inner walls and is connected with connecting piece 11, connecting piece 11 passes through connecting rod 10 and is connected with cutting blade 9, cutting blade 9 one side and the contact of first recess 12 inner wall, motor 14 drive pivot 18 rotate, and pivot 18 drives connecting piece 11 and rotates, and connecting piece 11 drives cutting blade 9 through connecting rod 10 and rotates, and cutting blade 9 can extrude the raw materials that passageway 6 was extruded from the second and carry out the grain cutting operation.

Specifically, the connecting piece 11, the connecting rod 10 and the cutting blade 9 are all located in the first groove 12, and the connecting rod 10 and the cutting blade 9 are all provided with multiple groups.

Specifically, 8 one end of tubular metal resonator and inlet tube 13 fixed connection, 8 other ends of tubular metal resonator and outlet pipe 15 fixed connection, tubular metal resonator 8 and inlet tube 13, outlet pipe 15 intercommunication, the one end and the water piping connection of tubular metal resonator 8 are kept away from to inlet tube 13, and the water pipe is connected with the water tank, installs the water pump (not shown in the figure) in the water tank, and the one end and the waste water piping connection of tubular metal resonator 8 are kept away from to outlet pipe 15 can be toward inputing the frozen water in the tubular metal resonator 8 through inlet tube 13.

Specifically, the through hole 16 has been seted up to second recess 17 near extrusion head 1 one side inner wall, through hole 16 and installation cavity 5 intercommunication, through the design of through hole 16 to be convenient for motor 14 in the installation cavity 5 dispels the heat.

Specifically, the inner wall of one side of the installation cavity 5, which is far away from the motor 14, is fixedly connected with the power supply 4, the fan 21 is further fixedly installed in the installation cavity 5, the fan 21 is located between the power supply 4 and the motor 14, the fan 21 blows air towards the motor 14, the heat dissipation efficiency of the motor 14 is improved, and the power supply 4 is electrically connected with the fan 21 and the motor 14.

Specifically, first recess 12 is close to the inner wall of extruding head 1 one side and has seted up slide 20, fixedly connected with on the connecting rod 10 with the slider 19 of slide 20 looks adaptation, slider 19 is located slide 20, and through the design of slide 20 and slider 19, the connecting rod 10 of being convenient for rotates in first recess 12, also can prescribe a limit to the position of connecting rod 10 and cutting blade 9 simultaneously.

The working principle is as follows: the grain cutting device for the single-screw extruder is characterized in that when the grain cutting device is used, a cooling pipe 3 is fixedly arranged on an extrusion head 1, a first extrusion passage 2 is communicated with a second extrusion passage 6, the extrusion head 1 extrudes raw materials into the second extrusion passage 6 through the first extrusion passage 2, ice water can be input into a metal pipe 8 through a water inlet pipe 13, when the raw materials enter the second extrusion passage 6, the metal pipe 8 can cool the raw materials through a heat conducting piece 7, then a motor 14 is started, the motor 14 drives a rotating shaft 18 to rotate, the rotating shaft 18 drives a connecting piece 11 to rotate, the connecting piece 11 drives a cutting blade 9 to rotate through a connecting rod 10, the cutting blade 9 can cut the raw materials extruded from the second extrusion passage 6 into grains, the fan 21 also starts to work when the motor 14 works, the fan 21 faces the motor 14, and the blowing heat dissipation efficiency of the motor 14 can be accelerated, this single screw extruder is with cutting grain device, reasonable in design, easy operation easily promotes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a single screw extruder is with cutting grain device, is including extruding head (1), cooling tube (3), inlet tube (13) and outlet pipe (15), its characterized in that: one end of the extrusion head (1) is fixedly connected with a cooling pipe (3), one end of the cooling pipe (3) far away from the extrusion head (1) is provided with a first groove (12), a second groove (17) is arranged on the inner wall of one side of the first groove (12) close to the extrusion head (1), the first groove (12) is communicated with the second groove (17), the extrusion head (1) is provided with a first extrusion channel (2), a second extrusion channel (6) is arranged on the cooling pipe (3), the first extrusion channel (2) is communicated with the second extrusion channel (6), the second extrusion channel (6) is communicated with the first groove (12), a heat-conducting piece (7) is arranged in the cooling pipe (3), the heat conducting piece (7) is of a cylindrical hollow structure, a metal pipe (8) is wound on the heat conducting piece (7), and ice water is injected into the metal pipe (8);

be equipped with installation cavity (5) in cooling tube (3), one side inner wall fixedly connected with motor (14) that installation cavity (5) are close to first recess (12), the one end that motor (14) are located motor output shaft is connected with pivot (18), the one end that motor (14) were kept away from in pivot (18) passes installation cavity (5) inner wall and is connected with connecting piece (11), connecting piece (11) are connected with cutting blade (9) through connecting rod (10), cutting blade (9) one side and first recess (12) inner wall contact.

2. The pelletizing device for single-screw extruders according to claim 1, characterized in that: connecting piece (11), connecting rod (10) and cutting blade (9) all are located first recess (12), connecting rod (10), cutting blade (9) all are equipped with the multiunit.

3. The pelletizing device for single-screw extruders according to claim 1, characterized in that: the water purifier is characterized in that one end of the metal pipe (8) is fixedly connected with the water inlet pipe (13), the other end of the metal pipe (8) is fixedly connected with the water outlet pipe (15), and the metal pipe (8) is communicated with the water inlet pipe (13) and the water outlet pipe (15).

4. The pelletizing device for single-screw extruders according to claim 1, characterized in that: through-hole (16) have been seted up to second recess (17) near extrusion head (1) one side inner wall, through-hole (16) and installation cavity (5) intercommunication.

5. The pelletizing device for single-screw extruders according to claim 1, characterized in that: one side inner wall fixedly connected with power (4) of motor (14) is kept away from in installation cavity (5), still fixed mounting has fan (21) in installation cavity (5), fan (21) are located between power (4) and motor (14).

6. The pelletizing device for single-screw extruders according to claim 1, characterized in that: first recess (12) are close to the inner wall of extruding head (1) one side and have seted up slide (20), on connecting rod (10) fixedly connected with slider (19) of slide (20) looks adaptation, slider (19) are located slide (20).