CN222662780U - Extruder with adjustable discharge port pressure - Google Patents

Abstract

The utility model relates to an extruder with an adjustable discharge port pressure, which comprises an extrusion barrel, a screw and a pressing plate, wherein an extrusion channel is formed in the extrusion barrel, a feed port is formed at the top of one end of the extrusion channel, a discharge port is formed at one end of the extrusion barrel, which is close to the discharge port, an adjusting port is formed on the side wall of one end of the extrusion barrel, which is close to the discharge port, the screw is coaxially arranged in the extrusion channel and is rotationally connected with the extrusion barrel, the pressing plate is arranged at the discharge port and is rotationally connected with the extrusion barrel along one side far from the discharge port, the pressing plate moves along the direction close to or far from the extrusion channel so as to adjust the size of the discharge port, when the feed amount is large, the pressure in the extrusion channel is large, the acting force of the screw on materials is large, and therefore, the discharge port can be enlarged through the movement of the pressing plate along the direction far from the extrusion channel so as to shorten the time of the materials flowing through the extrusion channel, reduce the internal pressure of the pressure channel and effectively improve the service life of the screw.

Description

Extruder with adjustable discharge port pressure

Technical Field

The utility model relates to the technical field of extruders, in particular to an extruder with an adjustable discharge port pressure.

Background

The materials are conveyed into the extruder, the raw materials are extruded through the rotation of the screw rod, and the materials are extruded and molded and are led out from a discharge hole of the extruder.

For example, in the process of recycling waste power batteries, the diaphragm paper is recycled through a low-temperature drying process, and a large amount of space is occupied for collection and storage because the diaphragm paper has small bulk density, so that the diaphragm paper can be extruded by an extruder, and specifically, the diaphragm paper is led into the extruder, extruded by the rotation of a screw rod and led out from a discharge hole along with the conveying of the screw rod, and the compressed diaphragm paper stack has small volume and is convenient for storage.

However, there are cases where the amount of the fed material is difficult to control, and if the amount of the fed material is large, the discharge is not smooth, the pressure in the extruder is large, and the screw is liable to break.

Disclosure of utility model

In view of the above, it is necessary to provide an extruder with an adjustable discharge port pressure to solve the problems that the amount of material input is difficult to control, and if the amount of material input is large, the discharge is not smooth, the pressure in the extruder is large, and the screw is easy to break.

The utility model provides an extruder with an adjustable discharge port pressure, which comprises an extrusion barrel, a screw and a pressing plate, wherein an extrusion channel is formed in the extrusion barrel, a feed port is formed at the top of one end of the extrusion channel, which is positioned at one end of the extrusion barrel, a discharge port is formed at one end of the extrusion channel, an adjusting port is formed on the side wall of one end of the extrusion barrel, which is close to the discharge port, of the extrusion barrel, the screw is coaxially arranged in the extrusion channel and is rotationally connected with the extrusion barrel, the pressing plate is arranged at the discharge port and is rotationally connected with the extrusion barrel along one side, which is far away from the discharge port, and the pressing plate moves along the direction, which is close to or far away from the extrusion channel, so as to adjust the size of the discharge port.

Further, two sides of the pressing plate are in sliding abutting connection with the inner wall of the extrusion cylinder.

Further, the extrusion cylinder is of a frame-shaped cylindrical structure.

Further, the extrusion device also comprises an adjusting piece, wherein the adjusting piece is arranged on the extrusion cylinder, and the output end of the adjusting piece is connected with the pressing plate and used for driving the pressing plate to rotate.

Further, the adjusting piece comprises a material pressing oil cylinder, the material pressing oil cylinder is fixedly connected with the extrusion barrel, and the output end of the material pressing oil cylinder is connected with one side, far away from the extrusion channel, of the pressing plate.

Further, the device also comprises a pressure detection assembly, wherein the pressure detection assembly is provided with a detection end for detecting the pressure in the extrusion channel, and the pressure detection assembly is connected with the adjusting piece and is used for driving the pressing plate to rotate according to the pressure signal in the extrusion channel detected by the detection end.

Further, the pressure detection assembly comprises a temperature sensor which is arranged in the extrusion channel and is used for detecting a temperature signal in the pressure channel, wherein the temperature signal is positively correlated with the pressure signal.

Further, the temperature sensor is electrically connected with the temperature sensor and used for receiving and processing the temperature signal, and the controller is electrically connected with the adjusting piece and used for driving the adjusting piece to act.

Further, the adjusting port is arranged at the upper position of the extrusion cylinder, the discharging port is formed between the pressing plate and the inner wall of the extrusion cylinder, and one end of the extrusion channel, which is far away from the discharging port, is closed.

Further, the extrusion device also comprises a driving piece, wherein the driving piece is fixedly connected with the extrusion cylinder, and the output end of the driving piece is connected with the screw rod and used for driving the screw rod to rotate.

Compared with the prior art, through setting up in discharge gate department and the clamp plate of being connected with the recipient rotation, when the feed quantity is less, extrusion passageway internal pressure is less, the material is comparatively loose, for this reason, remove along the direction that is close to extrusion passageway through the clamp plate, reducible discharge gate for lengthen the time that the material flowed through extrusion passageway, be convenient for extrusion between the material, when the feed quantity is great, extrusion passageway internal pressure is great, the effort that the screw rod received the material is great, for this reason, remove along the direction of keeping away from extrusion passageway through the clamp plate, can enlarge the discharge gate, be used for shortening the time that the material flowed through extrusion passageway, reduce the internal pressure of pressure passageway, the effectual life that improves the screw rod.

Drawings

Fig. 1 is a schematic diagram of the whole structure of an extruder with an adjustable discharge port pressure according to an embodiment of the present utility model.

Detailed Description

The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1, the extruder with adjustable discharge port pressure provided by the utility model comprises an extrusion barrel 100, a screw 200 and a pressing plate 300, wherein an extrusion channel 110 is formed in the extrusion barrel 100, a feed port 120 is formed at the top of one end of the extrusion barrel 100 positioned in the extrusion channel 110, a discharge port 130 is formed at one end of the extrusion channel 110, an adjusting port 140 is formed on the side wall of one end of the extrusion barrel 100 close to the discharge port 130, the screw 200 is coaxially arranged in the extrusion channel 110 and is rotationally connected with the extrusion barrel 100, the pressing plate 300 is arranged at the discharge port 130 and is rotationally connected with the extrusion barrel 100 along one side far from the discharge port 130, and the pressing plate 300 moves along the direction close to or far from the extrusion channel 110 so as to adjust the size of the discharge port 130.

During implementation, through the clamp plate 300 that sets up in discharge gate 130 department and rotate with the recipient 100 and be connected, when the feed amount is less, the pressure is less in the extrusion passageway 110, the material is comparatively loose, for this reason, remove along the direction that is close to extrusion passageway 110 through clamp plate 300, can reduce discharge gate 130, be used for prolonging the time that the material flows through extrusion passageway 110, be convenient for the extrusion between the material, when the feed amount is great, the pressure is great in extrusion passageway 110, the effort that screw rod 200 received the material is great, for this reason, remove along the direction of keeping away from extrusion passageway 110 through clamp plate 300, can enlarge discharge gate 130, be used for shortening the time that the material flowed through extrusion passageway 110, reduce the internal pressure of pressure passageway, the effectual life who improves screw rod 200.

The extrusion container 100 in this embodiment provides a space for extruding materials, an extrusion channel 110 is formed inside the extrusion container 100, a feed inlet 120 is formed at the top of one end of the extrusion channel 110 of the extrusion container 100, a discharge outlet 130 is formed at one end of the extrusion channel 110, and an adjustment opening 140 is formed on the sidewall of one end of the extrusion container 100 close to the discharge outlet 130.

In one embodiment, a feed hopper 121 is mounted on the top of the extrusion barrel 100 in communication with the feed port 120 to facilitate the introduction of material into the extrusion barrel 100, while a base 500 is mounted on the bottom of the extrusion barrel 100.

The screw 200 in this embodiment is disposed in the extrusion barrel 100, the screw 200 is disposed closely to the inner wall of the extrusion barrel 100, and the materials in the extrusion barrel 100 are extruded and agglomerated by the rotation of the screw 200, and are guided out from the discharge port 130 along with the conveyance of the screw 200.

In one embodiment, the extruder further comprises a driving member 210, wherein the driving member 210 is fixedly connected with the extrusion barrel 100, and an output end of the driving member 210 is connected with the screw 200 for driving the screw 200 to rotate. The driving member 210 may be connected to the screw 200 by a motor or a decelerator.

The platen 300 in this embodiment is used to adjust the size of the discharge port 130 of the extrusion barrel 100.

In one embodiment, the adjustment port 140 is disposed at an upper position of the extrusion barrel 100, the discharge port 130 is formed between the pressing plate 300 and the inner wall of the extrusion barrel 100, and one end of the extrusion channel 110 away from the discharge port 130 is closed.

In one embodiment, the two sides of the platen 300 are in sliding abutment with the inner wall of the extrusion barrel 100. Wherein, the extrusion container 100 is a frame-shaped tubular structure.

In order to facilitate the rotation of the pressing plate 300, the embodiment further includes an adjusting member 400, wherein the adjusting member 400 is mounted on the extrusion barrel 100, and an output end of the adjusting member 400 is connected to the pressing plate 300 for driving the pressing plate 300 to rotate.

In one embodiment, the adjusting member 400 includes a pressing cylinder fixedly connected to the pressing cylinder 100, and an output end of the pressing cylinder is connected to a side of the pressing plate 300 away from the pressing channel 110.

It will be appreciated that the adjusting member 400 may be replaced by other types of structures such as an electric push rod.

In order to know the internal pressure of the extrusion channel 110, the embodiment further includes a pressure detecting component having a detecting end for detecting the pressure in the extrusion channel 110, and the pressure detecting component is connected to the adjusting member 400 for driving the platen 300 to rotate according to the pressure signal detected by the detecting end in the extrusion channel 110.

In one embodiment, the pressure sensing assembly includes a temperature sensor built into the extrusion channel 110 for sensing a temperature signal in the pressure channel, wherein the temperature signal is positively correlated to the pressure signal. The pressure in the extrusion barrel 100 can be known by knowing the temperature in the extrusion barrel 100, specifically, the higher the temperature in the extrusion barrel 100 is, the higher the pressure is, and conversely, the lower the temperature is, the lower the pressure is.

In order to control the motion of the pressing cylinder, the embodiment further comprises a controller electrically connected with the temperature sensor for receiving and processing the temperature signal, and the controller is electrically connected with the adjusting member 400 for driving the adjusting member 400 to move.

It is understood that the controller is one or more of a PLC as would occur to those skilled in the art.

In another embodiment, the pressure detecting assembly may also be implemented using a current sensor electrically connected to the motor for detecting an operating current of the motor, wherein the magnitude of the operating current is positively correlated to the magnitude of the pressure in the extrusion channel 110. The pressure in the extrusion cylinder 100 can be known by knowing the working current of the motor, specifically, the greater the working current of the motor is, the greater the pressure is, otherwise, the smaller the working current of the motor is, and the smaller the pressure is.

Compared with the prior art, the pressure plate 300 is arranged at the discharge hole 130 and is rotationally connected with the extrusion barrel 100, when the feeding amount is smaller, the pressure in the extrusion channel 110 is smaller, and the materials are looser, so that the discharge hole 130 can be shortened by moving the pressure plate 300 along the direction close to the extrusion channel 110, the time for the materials to flow through the extrusion channel 110 can be prolonged, the extrusion molding among the materials is facilitated, when the feeding amount is larger, the pressure in the extrusion channel 110 is larger, the acting force of the screw 200 on the materials is larger, and therefore, the discharge hole 130 can be enlarged by moving the pressure plate 300 along the direction far away from the extrusion channel 110, the time for the materials to flow through the extrusion channel 110 can be shortened, the internal pressure of the pressure channel can be reduced, and the service life of the screw 200 can be effectively prolonged.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims (10)

1. An extruder with an adjustable discharge port pressure, comprising:

The extrusion device comprises an extrusion barrel, a feeding device and a discharging device, wherein an extrusion channel is formed in the extrusion barrel, a feeding hole is formed in the top of one end of the extrusion barrel, which is positioned at the other end of the extrusion channel, a discharging hole is formed in the other end of the extrusion barrel, and an adjusting hole is formed in the side wall of one end, close to the discharging hole, of the extrusion barrel;

the screw rod is coaxially arranged in the extrusion channel and is rotationally connected with the extrusion cylinder;

The pressing plate is arranged at the discharge hole, is rotationally connected with the extrusion cylinder along one side far away from the discharge hole, and moves along the direction close to or far away from the extrusion channel so as to adjust the size of the discharge hole.

2. The discharge port pressure adjustable extruder of claim 1 wherein both sides of the platen are in sliding abutment with the inner wall of the extrusion barrel.

3. The discharge outlet pressure adjustable extruder of claim 2, wherein the extruder barrel is a frame-shaped barrel structure.

4. The extruder of claim 1 further comprising an adjustment member mounted to said barrel, said adjustment member having an output end coupled to said platen for driving said platen in rotation.

5. The extruder of claim 4 wherein said adjustment member comprises a ram cylinder fixedly connected to said extruder barrel, said ram cylinder having an output end connected to a side of said platen remote from said extrusion channel.

6. The discharge port pressure adjustable extruder of claim 4, further comprising a pressure sensing assembly having a sensing end for sensing pressure in said extrusion passage, said pressure sensing assembly being coupled to said adjustment member for driving said platen in rotation in response to said sensing end sensing a pressure signal in said extrusion passage.

7. The discharge port pressure adjustable extruder of claim 6, wherein the pressure sensing assembly comprises a temperature sensor built into the extrusion channel for sensing a temperature signal in the pressure channel, wherein the temperature signal is positively correlated to the pressure signal.

8. The discharge port pressure adjustable extruder of claim 7, further comprising a controller electrically connected to said temperature sensor for receiving and processing said temperature signal, said controller electrically connected to said regulating member for actuating said regulating member.

9. The extruder of claim 1 wherein said orifice is disposed at an upper location of said barrel, said orifice being defined between said platen and an inner wall of said barrel, said extrusion passage being closed at an end remote from said orifice.

10. The extruder of claim 1 further comprising a drive member fixedly connected to said barrel, an output of said drive member being connected to said screw for driving said screw in rotation.