CN212352835U

CN212352835U - Novel energy-saving single-screw extruder

Info

Publication number: CN212352835U
Application number: CN202020905354.1U
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: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-15
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a novel energy-saving single screw extruder relates to extruder technical field. This novel energy-saving single screw extruder, comprising a base plate, the bottom plate top is provided with the drum, the inside transmission shaft that is provided with of drum, transmission shaft outside fixedly connected with spiral plate, the drum top is provided with feed hopper, the drum is kept away from funnel one end and is provided with the protection subassembly, the protection subassembly includes montant, depression bar, connecting rod, spring, slide bar and spring, montant fixed connection is in the transmission shaft outside. This novel energy-saving single screw extruder runs into the contact switch of the inside bottom of slide bar through the connecting rod, can close the motor and form the protection to it, is favorable to avoiding the motor to exceed the load, is favorable to protecting the motor in the device through this structure, prevents that some impurity from blocking the problem that the spiral plate leads to the motor overload, and consequently the practicality is stronger in the in-service use process.

Description

Novel energy-saving single-screw extruder

Technical Field

The utility model relates to an extruder technical field specifically is a novel energy-saving single screw extruder.

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 plastic extruder has advanced design, high quality, good plasticization, low energy consumption, and low noise, stable operation, large bearing capacity, long service life and other features.

However, when the existing single-screw extruder is used in practice, a corresponding protection mechanism is lacked, and once impurities are doped in the raw materials and the spiral plate is extruded, the spiral plate is prevented from rotating, so that the motor is overloaded, and certain safety problems exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel energy-saving single screw extruder to solve the problem of proposing 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 novel energy-saving single-screw extruder comprises a bottom plate, wherein a cylinder is arranged at the top of the bottom plate, a transmission shaft is arranged in the cylinder, a spiral plate is fixedly connected to the outer side of the transmission shaft, a feeding hopper is arranged at the top of the cylinder, and a protection assembly is arranged at one end, away from the hopper, of the cylinder;

the protection subassembly includes montant, depression bar, connecting rod, spring and slide bar, montant fixed connection is in the transmission shaft outside, the depression bar rotates to be connected in the montant top, the connecting rod sets up in the depression bar bottom and rotates with the depression bar to be connected, the spring sets up in the connecting rod outside, the slide bar set up in the connecting rod bottom and with connecting rod sliding connection, the inside bottom of slide bar is provided with contact switch.

Preferably, the top of the vertical rod is provided with a groove, the two sides of the pressing rod are fixedly connected with a circular shaft, and the pressing rod is rotatably connected inside the groove through the circular shaft.

Preferably, the bottom end of the pressure lever is provided with a blind hole, and the top end of the connecting rod is rotatably connected inside the blind hole through a shaft pin.

Preferably, a first spring seat is arranged at the top end of the spring, and a second spring seat is arranged at the bottom end of the spring.

Preferably, the second spring seat is fixedly connected inside the groove, and the first spring seat is fixedly connected outside the connecting rod and slidably connected inside the groove.

Preferably, the sliding rod is fixedly connected to the bottom end inside the groove and made of an aluminum alloy material.

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

Preferably, the transmission shaft is internally provided with a cavity, the transmission shaft is internally provided with an electric wire, and the contact switch is electrically connected with the motor through the electric wire.

Preferably, the installation seat is arranged on the outer side of the cylinder, the cylinder is rotatably connected with the installation seat, and the installation seat is fixedly connected to the top of the bottom plate.

The utility model provides a novel energy-saving single screw extruder, its beneficial effect who possesses as follows:

1. this novel energy-saving single screw extruder can drive the transmission shaft through the motor output end and rotate to the inside transport raw materials of drum through feed hopper, and the transmission shaft can drive the flight in its outside and rotate to extrude the inside raw materials of drum to the right side gradually, inside the drum of discharging at last, can conveniently accomplish extruding of raw materials fast through this mechanism, and simple structure.

2. This novel energy-saving single screw extruder passes through the transmission shaft and can drive the montant and rotate, can drive the depression bar under the effect of centrifugal force and rotate to the outside, and then the pulling connecting rod, but when the transmission shaft speed reduces, centrifugal force reduces, can drive first spring holder and connecting rod downstream under the pulling force of spring this moment, thereby drive the connecting rod downstream, and then make the connecting rod touch the contact switch of the inside bottom of slide bar, can close the motor and form the protection to it, be favorable to avoiding the motor to exceed the load, be favorable to protecting the motor in the device through this structure, prevent that some impurity from blocking the problem that the spiral plate leads to the motor overload, consequently the practicality is stronger 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 cross-sectional view of the vertical rod 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 drive shaft; 4. a spiral plate; 5. a feed hopper; 6. a vertical rod; 7. a pressure lever; 8. a connecting rod; 9. a spring; 10. a slide bar; 11. a contact switch; 12. a circular shaft; 13. a first spring seat; 14. a second spring seat; 15. a motor; 16. and (7) mounting a seat.

Detailed Description

The embodiment of the utility model provides a novel energy-saving single screw extruder, as shown in figures 1-5, comprising a bottom plate 1, a cylinder 2 is arranged on the top of the bottom plate 1, a mounting seat 16 is arranged on the outer side of the cylinder 2, the cylinder 2 is rotationally connected with the mounting seat 16, the mounting seat 16 is fixedly connected on the top of the bottom plate 1, a motor 15 is arranged at one end of the cylinder 2, a base is fixedly connected with the bottom end of the motor 15, the base is favorable for fixing the motor 15, a transmission shaft 3 is arranged in the cylinder 2, one end of the transmission shaft 3 penetrates through the cylinder 2 and extends to the outer side of the cylinder 2, the transmission shaft 3 is fixedly connected with the output end of the motor 15, a cavity is arranged in the transmission shaft 3, an electric wire is arranged in the transmission shaft 3, a contact switch 11 is electrically connected with the motor 15 through the, one end of the cylinder 2, which is far away from the funnel, is provided with a protection component;

the protection component comprises a vertical rod 6, a pressure rod 7, a connecting rod 8, a spring 9 and a slide rod 10, wherein the vertical rod 6 is fixedly connected to the outer side of a transmission shaft 3, the pressure rod 7 is rotatably connected to the top end of the vertical rod 6, the top of the vertical rod 6 is provided with a groove, both sides of the pressure rod 7 are fixedly connected with a round shaft 12, the pressure rod 7 is rotatably connected to the inside of the groove through the round shaft 12, the connecting rod 8 is arranged at the bottom end of the pressure rod 7 and is rotatably connected with the pressure rod 7, the bottom end of the pressure rod 7 is provided with a blind hole, the top end of the connecting rod 8 is rotatably connected to the inside of the blind hole through a shaft pin, the blind hole is favorable for the connecting rod 8 to be rotatably connected with the pressure rod 7, the spring 9 is arranged at, first spring holder 13 and second spring holder 14 are favorable to the installation of spring 9, and slide bar 10 sets up in connecting rod 8 bottom and with connecting rod 8 sliding connection, the inside bottom of slide bar 10 is provided with contact switch 11, slide bar 10 fixed connection in the inside bottom of recess, slide bar 10 is made by aluminum alloy material.

The implementation mode is specifically as follows: the raw materials can be conveyed into the cylinder 2 through the feeding hopper 5, the output end of the motor 15 drives the transmission shaft 3 to rotate, the transmission shaft 3 can drive the spiral plate 4 on the outer side of the transmission shaft to rotate, so that the raw materials in the cylinder 2 are gradually extruded towards the right side and are finally discharged out of the cylinder 2, the raw materials can be conveniently and quickly extruded through the mechanism, and the structure is simple;

when larger particle impurities exist in the raw materials, the spiral plate 4 can be extruded with the impurities in the rotating process, so that the rotating speed of the spiral plate 4 and the rotating shaft 3 is reduced, when the device is normally used, the rotating shaft 3 can drive the vertical rod 6 to rotate, the compression rod 7 can be driven to rotate towards the outer side under the action of centrifugal force, and then the connecting rod 8 is pulled, the connecting rod 8 can drive the first spring seat 13 to move upwards, the spring 9 can be pulled through the first spring seat 13, but when the rotating speed of the rotating shaft 3 is reduced, the centrifugal force is reduced, at the moment, the first spring seat 13 and the connecting rod 8 can be driven to move downwards under the pulling force of the spring 9, so that the connecting rod 8 is driven to move downwards, and further the connecting rod 8 touches the contact switch 11 at the inner bottom end of the sliding rod 10, wherein the contact switch 11 is electrically connected with the motor 15 through an, and then form the protection to it, be favorable to avoiding motor 15 to exceed the load, be favorable to protecting motor 15 in the device through this structure, prevent that some impurity from blocking the problem that spiral plate 4 leads to motor 15 overload, consequently the practicality is stronger in the in-service use.

The working principle is as follows: during normal use, transmission shaft 3 can drive montant 6 and rotate, can drive depression bar 7 to the outside rotation under the effect of centrifugal force, and then pulling connecting rod 8, when 3 rotational speeds of transmission shaft reduce, centrifugal force reduces, can drive first spring holder 13 and connecting rod 8 downstream under the pulling force of spring 9 this moment, thereby drive connecting rod 8 downstream, and then make connecting rod 8 touch the contact switch 11 of the inside bottom of slide bar 10, can close motor 15, and then form the protection to it.

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. The utility model provides a novel energy-saving single screw extruder, includes bottom plate (1), its characterized in that: a cylinder (2) is arranged at the top of the bottom plate (1), a transmission shaft (3) is arranged in the cylinder (2), a spiral plate (4) is fixedly connected to the outer side of the transmission shaft (3), a feeding funnel (5) is arranged at the top of the cylinder (2), and a protection assembly is arranged at one end, far away from the funnel, of the cylinder (2);

the protection component comprises a vertical rod (6), a pressing rod (7), a connecting rod (8), a spring (9) and a sliding rod (10), the vertical rod (6) is fixedly connected to the outer side of the transmission shaft (3), the pressing rod (7) is rotatably connected to the top end of the vertical rod (6), the connecting rod (8) is arranged at the bottom end of the pressing rod (7) and is rotatably connected with the pressing rod (7), the spring (9) is arranged at the outer side of the connecting rod (8), the sliding rod (10) is arranged at the bottom end of the connecting rod (8) and is slidably connected with the connecting rod (8), and the bottom end inside the sliding rod (10) is provided with a contact.

2. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the top of the vertical rod (6) is provided with a groove, the two sides of the pressing rod (7) are fixedly connected with round shafts (12), and the pressing rod (7) is rotatably connected to the inside of the groove through the round shafts (12).

3. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the bottom end of the pressure lever (7) is provided with a blind hole, and the top end of the connecting rod (8) is rotatably connected inside the blind hole through a shaft pin.

4. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the spring seat is characterized in that a first spring seat (13) is arranged at the top end of the spring (9), and a second spring seat (14) is arranged at the bottom end of the spring (9).

5. The novel energy-saving single-screw extruder according to claim 4, wherein: the second spring seat (14) is fixedly connected inside the groove, and the first spring seat (13) is fixedly connected outside the connecting rod (8) and is connected inside the groove in a sliding mode.

6. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the sliding rod (10) is fixedly connected to the bottom end inside the groove, and the sliding rod (10) is made of an aluminum alloy material.

7. The novel energy-saving single-screw extruder according to claim 1, characterized in that: drum (2) one end is provided with motor (15), transmission shaft (3) one end runs through drum (2) and extends to the drum (2) outside, transmission shaft (3) and motor (15) output fixed connection, motor (15) bottom fixed connection has the base.

8. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the inside cavity that sets up of transmission shaft (3), transmission shaft (3) inside is provided with the electric wire, contact switch (11) pass through electric wire and motor (15) electric connection.

9. The novel energy-saving single-screw extruder according to claim 1, characterized in that: the outer side of the cylinder (2) is provided with a mounting seat (16), the cylinder (2) is rotatably connected with the mounting seat (16), and the mounting seat (16) is fixedly connected to the top of the bottom plate (1).