CN111941679A - Film recovery granulator - Google Patents

Abstract

The present invention discloses a film recycling granulator, which includes a frame body, a screw, a heating coil, a temperature probe and a controller. The frame body is provided with a feed port, and a sleeve is provided inside, and one end of the sleeve is connected to the feed port; the screw is rotatably installed in the sleeve for transmitting materials; the heating coil is sleeved on the sleeve for heating the materials in the sleeve; the temperature probe is provided in the frame body for monitoring the temperature of the materials inside the sleeve; the controller is electrically or wirelessly connected to the heating coil and the temperature probe for controlling the heating temperature of the heating coil. The film recycling granulator according to the embodiment of the present invention can accurately control the material temperature and ultimately ensure the production quality.

Description

Film recycling granulator

technical field

The invention relates to the technical field of granulators, in particular to a film recycling granulator.

Background technique

With the development of the plastic industry, the fields of plastic applications are becoming more and more extensive, and the market demand for plastic films is also increasing. During the production of these plastic films, it is inevitable that some substandard products and waste scraps will appear. If these wastes cannot be recycled in time, it will not only cause waste but also pollute the environment. However, the existing film recycling granulator has problems such as unstable recycling quality and poor recycling quality.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a film recycling granulator, which can monitor the multi-stage temperature of the extrusion structure in real time, and can The temperature is adjusted to ensure final production quality.

The film recycling granulator according to the embodiment of the present invention includes a frame body, a screw, a heating ring, a temperature probe and a controller, the frame body is provided with a feeding port, and a sleeve is arranged inside, the sleeve One end of the screw is communicated with the feeding port; the screw is rotatably installed in the sleeve for transferring the material; the heating ring is sleeved on the sleeve and is used for the material in the sleeve heating; the temperature probe is arranged in the main body of the frame to monitor the temperature of the material inside the sleeve; the controller is electrically or wirelessly connected to the heating ring and the temperature probe to control the the heating temperature of the heating coil.

The film recycling granulator according to the embodiment of the present invention has at least the following technical effects: the heating ring is used to heat the material in the sleeve, the temperature probe can monitor the temperature change of the material in the sleeve in real time, and transmit the temperature signal to the The controller controls the heating temperature of the heating ring for adjustment, so that the film recycling granulator can accurately control the material temperature and ultimately ensure the production quality.

According to some embodiments of the present invention, the temperature probe is embedded in the sleeve.

According to some embodiments of the present invention, a cooling fan is further included, the cooling fan is disposed at the sleeve, and is used for cooling the material in the sleeve; the cooling fan is electrically connected to the controller or wireless connection.

According to some embodiments of the present invention, the cooling fans are provided in multiple groups along the length of the sleeve.

According to some embodiments of the present invention, a filter device is further included, the filter device is connected with one end of the sleeve, and is used for filtering materials.

According to some embodiments of the present invention, the filtering device includes a main body portion, a filtering channel is provided in the main body portion, the filtering channel is communicated with the sleeve, and the main body portion is provided with the heating ring and the temperature probe.

According to some embodiments of the present invention, the filtering device includes a rotating plate, and the rotating plate is rotatably arranged on the main body part; a plurality of filtering parts are disposed on the rotating plate, and the rotating plate can be rotated to select one The filter part is aligned with the filter channel.

According to some embodiments of the present invention, the screw is a reducing screw, and the reducing screw includes a first thread segment, a second thread segment and a third thread segment connected in sequence along the screw advancing direction; the first thread The diameter of the rod portion of the second thread segment gradually decreases along the screw advancing direction, the diameter of the rod portion of the second thread segment gradually increases along the screw advancing direction, and the diameter of the rod portion of the third thread segment remains unchanged; the first thread The thread outer diameter of the segment gradually decreases along the screw advancing direction, and the thread outer diameters of the second thread segment and the third thread segment remain unchanged; the first thread segment, the second thread segment and the third thread segment are connected The stem diameter and thread outside diameter remain the same.

According to some embodiments of the present invention, the sleeve is provided with the temperature probe at the first thread segment and/or the third thread segment.

According to some embodiments of the present invention, the reducing screw is integrally formed.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above-described additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic diagram of the overall structure of a film recycling granulator according to an embodiment of the present invention;

2 is a partial cross-sectional view of a film recycling granulator according to an embodiment of the present invention;

3 is an enlarged cross-sectional view of a sleeve portion of a film recycling granulator according to an embodiment of the present invention;

4 is a schematic diagram of the overall structure of a filtering device according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the overall structure of a rotating plate according to an embodiment of the present invention.

Reference number:

The frame main body 100, the feeding port 110, the sleeve 120,

The reducing screw 200, the first thread segment 210, the second thread segment 220, the third thread segment 230,

Heating ring 300, temperature probe 400, controller 500, cooling fan 600,

The filter device 700 , the main body part 710 , the filter channel 711 , the rotating plate 721 , and the filter part 720 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only For the convenience of describing the invention and simplifying the description, it is not indicated or implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

A film recycling granulator according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 5 .

As shown in FIG. 2 and FIG. 3 , the film recycling granulator according to the embodiment of the present invention includes a frame body 100, a screw, a heating ring 300, a temperature probe 400 and a controller 500. The frame body 100 is provided with an inlet The material port 110 is provided with a sleeve 120 inside, and one end of the sleeve 120 is communicated with the material inlet 110; the screw is rotated and installed in the sleeve 120 for transferring materials; the heating ring 300 is sleeved on the sleeve 120, and is used for For heating the material in the sleeve 120; the temperature probe 400 is arranged in the frame body 100 to monitor the temperature of the material inside the sleeve 120; the controller 500 is electrically or wirelessly connected to the heating ring 300 and the temperature probe 400, Used to control the heating temperature of the heating coil 300.

For example, as shown in FIG. 2 and FIG. 3 , the frame body 100 is provided with a feed port 110 , a sleeve 120 is provided inside the frame body 100 , one end communicates with the feed port 110 , and a screw is provided inside the sleeve 120 . When the material enters the film recycling granulator through the feeding port 110, it enters the sleeve 120 under the driving of the screw for heating and extrusion. The heating ring 300 is sleeved on the sleeve 120 for heating the material in the sleeve 120 . The heating coils 300 may be arranged in multiple groups along the length of the sleeve 120 , as shown in FIG. 3 .

The temperature probes 400 are arranged inside the frame main body 100 to monitor the temperature of the material inside the sleeve 120 . The temperature probes 400 can also be arranged in multiple groups along the length of the sleeve 120 to monitor the temperature of the material in each heating link respectively. The temperature probe 400 and the heating ring 300 are electrically or wirelessly connected to the controller 500. When the temperature probe 400 detects that the temperature in the sleeve 120 is too high, it will transmit a signal to the controller 500, and the controller 500 can adjust the heating after receiving the signal. The heating temperature of the ring 300. For example, when the temperature of the material in the sleeve 120 is too high and exceeds the set range, the controller 500 can control the heating degree of the heating ring 300 to be reduced or not heated so as to cool the material in the sleeve 120 . When the temperature in the sleeve 120 is too low and lower than the set range, the controller 500 can control the heating ring 300 to increase the heating temperature so that the material in the sleeve 120 reaches the set temperature value. The length of the screw can also be appropriately increased, so that the material in the sleeve 120 can be heated sufficiently. The controller 500 can also control the rotational speed of the screw to adjust the conveying speed of the material in the sleeve 120 .

With this arrangement, the heating ring 300 is used to heat the material in the sleeve 120 , and the temperature probe 400 can monitor the temperature change of the material in the sleeve 120 in real time, and transmit the temperature signal to the controller 500 , which is controlled by the controller 500 The heating temperature of the heating ring 300 is adjusted so that the film recycling granulator can precisely control the temperature of the material in the sleeve 120 to ensure the final product quality.

In some specific embodiments of the present invention, the temperature probe 400 is embedded in the sleeve 120 .

For example, as shown in FIG. 3 , the temperature probe 400 is embedded in the sleeve 120 for sensing the temperature of the material in the sleeve 120 . The temperature probe 400 is embedded in the sleeve 120 , and is more sensitive to the temperature of the material in the sleeve 120 , so that the controller 500 can control the temperature of the material in the sleeve 120 more accurately.

With this arrangement, the controller 500 can receive the temperature information of the material in the sleeve 120 more accurately, so as to automatically adjust the temperature in the sleeve 120 to ensure the quality of the final product.

In some specific embodiments of the present invention, a cooling fan 600 is further included. The cooling fan 600 is disposed at the sleeve 120 and is used to cool the material in the sleeve 120; the cooling fan 600 is electrically connected or wirelessly connected to the controller 500. connect.

For example, as shown in FIG. 2 , the film recycling granulator is provided with a cooling fan 600 , which is arranged under the sleeve 120 to cool down the sleeve 120 . When the temperature of the material in the sleeve 120 is too high, the cooling fan 600 can The material in the sleeve 120 is cooled down. The cooling fan 600 is electrically or wirelessly connected to the controller 500 , and can be controlled by the controller 500 to cool the sleeve 120 .

With this arrangement, the film recycling granulator can better control the temperature of the material in the sleeve 120, and through the combined action of the cooling fan 600 and the heating ring 300, the temperature of the material in the sleeve 120 can be better controlled at Within the set range to ensure the final temperature of the material.

In some specific embodiments of the present invention, a filter device 700 is further included, and the filter device 700 is connected to one end of the sleeve 120 for filtering materials.

For example, as shown in FIG. 1 and FIG. 2 , one end of the sleeve 120 is connected with the feeding port 110 , and the other end is connected with the filtering device 700 . After the heated material in the sleeve 120 becomes a sol state, it enters the filter device 700 for filtration under the driving action of the screw. The filter device 700 is provided with a filter screen, which can filter out impurities in the material to ensure the final Quality of products.

Through this setting, impurities in the material can be filtered, further ensuring the quality of the final product.

In some specific embodiments of the present invention, the filter device 700 includes a main body portion 710, a filter channel 711 is disposed in the main body portion 710, the filter channel 711 communicates with the sleeve 120, and the main body portion 710 is provided with a heating ring 300 and a temperature probe 400.

For example, as shown in FIG. 3 , the filter device 700 includes a main body part 710 , and a filter channel 711 is provided inside the main body part 710 . The filter channel 711 is communicated with the sleeve 120, and after the material is heated in the sleeve 120 to become a sol state, the material enters the filter channel 711 of the filter device 700 for filtering. The main body 710 is also provided with a heating ring 300 and a temperature probe 400, which are used to control the temperature of the material in the sol state in the filter channel 711 to prevent the material in the filter channel 711 from flowing out due to excessive temperature. The cooling process, or the temperature is too low to flow out of the filter.

With this arrangement, the film recycling granulator can accurately control the temperature of the materials in the sleeve 120 and the filter device 700, thereby ensuring the production quality of the final product.

In some specific embodiments of the present invention, the filter device 700 includes a rotating plate 720, and the rotating plate 720 is rotatably disposed on the main body portion 710; the rotating plate 720 is provided with a plurality of filter parts 722, and the rotating plate 720 can be rotated to select a filter part 722 aligns it with filter channel 711.

For example, as shown in FIG. 4 and FIG. 5 , the filter device 700 includes a rotating plate 720 , and the rotating plate 720 is rotatably disposed on the main body portion 710 ; , the rotating plate 720 can be rotated to select a filter part 722 to align it with the filter channel 711 .

For example, as shown in FIG. 5 , the rotating plate 720 is provided with a positioning hole 721 and two filter parts 722 , wherein the center distance from the filter part 722 to the positioning hole 721 is the same. The filter part 722 is provided with a filter screen, and the filter screen can filter the material. The rotating plate 720 is disposed in the main body part 710 and can swing around the positioning hole 721 to make a certain filter part 722 align with the filter channel 711 . A swing bar can be provided on the rotating plate 720, and the operator can quickly align a certain filter part 722 with the filter channel 711 through the swing bar.

Because the filter screen of the film recycling granulator needs to be replaced frequently, by setting in this way, different filter parts 722 can be quickly aligned with the filter channel 711, so that the film recycling granulator can be adjusted without stopping. The filter part 722 is replaced, and the filter screen in the replaced filter part 722 can be removed in time for cleaning, so as to ensure the next use.

In some specific embodiments of the present invention, the screw is a reducing screw 200, and the reducing screw 210 includes a first thread segment 210, a second thread segment 220 and a third thread segment 230 connected in sequence along the screw advancing direction; The diameter of the rod portion of the thread segment 210 gradually decreases along the screw advancing direction, the diameter of the rod portion of the second thread segment 220 gradually increases along the screw advancing direction, and the diameter of the rod portion of the third thread segment 230 remains unchanged; the first thread segment 210 The outer diameter of the thread gradually decreases along the advancing direction of the screw, and the outer diameters of the second thread segment 220 and the third thread segment 230 remain unchanged; the first thread segment 210, the second thread segment 220 and the third thread segment 230 are connected The stem diameter and thread outside diameter remain the same.

For example, as shown in FIG. 3 , the screw used by the film recycling granulator is a different diameter screw 200 , and the different diameter screw 200 is divided into three sections, namely the first thread section 210 , the second thread section 220 and the third thread section 230 . The rod portion of the first thread segment 210 is in the shape of a truncated cone, the diameter is from large to small along the length direction, and the end with the smaller diameter is connected to the second thread segment 220 , and the outer diameter of the thread of the first thread segment 210 follows the first thread segment 210 . The diameter of the rod portion is reduced. The rod portion of the second thread segment 220 is also in the shape of a truncated cone, and the diameter increases from small to large along the length direction. The stem diameter and thread outer diameter of the third thread segment 230 remain unchanged. At the same time, the threads of the first thread segment 210 , the second thread segment 220 and the third thread segment 230 are all kept in contact with the inner wall of the sleeve 120 .

With this arrangement, the reducing screw 200 is divided into three sections, which are a feeding section, a compression section and a homogenization section. The material is extruded and fed in the feeding section, and at the same time, the heating ring 300 heats the material so that the material is easily compressed and squeezed into the compression section. The diameter of the rod portion of the reducing screw 200 gradually increases in the compression section, and the outer diameter of the thread remains unchanged and keeps abutting with the inner wall of the sleeve 120, so that the material is gradually compressed. In the homogenization section, the material is kept in a sol state so as to enter the filter device 700 for filtration.

By setting in this way, the materials can be extruded, transported and finally filtered.

In some specific embodiments of the present invention, the sleeve 120 is provided with a temperature probe 400 at the first thread segment 210 and/or the third thread segment 230 .

For example, as shown in FIG. 3 , the sleeve 120 is provided with a temperature probe 400 on the first threaded section 210 and/or the third threaded section 230 , and the temperature probe 400 provided on the first threaded section 210 and the third threaded section 230 is more conducive to film recovery The granulator controls the temperature of the material in the sleeve 120. Because the heating and extrusion process of the material in the first threaded section 210 and the temperature control of the homogenization section in the third threaded section 230 are more important, setting the temperature probe 400 at these two positions makes the film recycling granulator more accurate. It is more beneficial to control the temperature of the materials in the sleeve 120 and finally ensure the production quality.

In some specific embodiments of the present invention, the reducing screw 200 is integrally formed.

The reducing screw 200 is integrally formed, which is more convenient for screw production and processing.

The film recycling granulator according to the embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 5 with a specific embodiment. It is to be understood that the following description is merely illustrative and not specific to the limitation of the present invention.

As shown in FIG. 2 and FIG. 3 , the film recycling granulator according to the embodiment of the present invention includes a frame body 100, a screw, a heating ring 300, a temperature probe 400 and a controller 500. The frame body 100 is provided with an inlet The feed port 110 is provided with a sleeve 120 inside, and one end of the sleeve 120 is communicated with the feed port 110 . The screw is rotatably installed in the sleeve 120 for conveying materials. Further, the screw is a different-diameter screw 200, and the different-diameter screw 210 is formed by connecting a first thread segment 210, a second thread segment 220 and a third thread segment 230 in sequence along the screw advancing direction; The diameter of the screw advancing direction gradually decreases, the diameter of the rod portion of the second thread segment 220 gradually increases along the screw advancing direction, and the diameter of the rod portion of the third thread segment 230 remains unchanged; the outer diameter of the thread of the first thread segment 210 advances along the screw The direction gradually decreases, and the outer diameters of the threads of the second thread segment 220 and the third thread segment 230 remain unchanged; The outer diameter remains the same. At the same time, the threads of the first thread segment 210 , the second thread segment 220 and the third thread segment 230 are all kept in contact with the inner wall of the sleeve 120 .

The heating ring 300 is sleeved on the sleeve 120 and the main body 710 of the filter device 700 , and is used for heating the material in the sleeve 120 and the filter channel 711 . The temperature probe 400 is used to monitor the temperature of the material inside the sleeve 120. Further, the sleeve 120 is provided with a temperature probe 400 on the first threaded section 210 and/or the third threaded section 230, and the temperature probe 400 is set on the first threaded section 210 and the third thread section 230 are more conducive to the film recycling granulator to control the temperature of the material in the sleeve 120 .

The film recycling granulator is provided with multiple sets of cooling fans 600 at the sleeve 120 , and multiple sets of cooling fans 600 are arranged along the length of the sleeve 120 for cooling the materials in the sleeve 120 .

The other end of the sleeve 120 is connected to the filter device 700 . The filter device 700 includes a main body part 710 and a rotating plate 720 , and a filter channel 711 is provided inside the main body part 710 . The filter channel 711 is communicated with the sleeve 120, and after the material is heated in the sleeve 120 to become a sol state, the material enters the filter channel 711 of the filter device 700 for filtering. The main body 710 is also provided with a heating ring 300 and a temperature probe 400 in the filter channel 711, which are used to control the temperature of the material in the sol state in the filter channel 711, so as to prevent the material in the filter channel 711 from flowing out due to excessive temperature Afterwards, a long cooling process is required, or the temperature is too low to flow out of the filter. The filter device 700 includes a rotating plate 720, and the rotating plate 720 is rotatably arranged on the main body portion 710; the rotating plate 720 is provided with a number of filter parts 722, and the rotating plate 720 is provided with a number of filter parts 722, and the rotating plate 720 can be rotated to select a filter Section 722 aligns it with filter channel 711 . For example, as shown in FIG. 5 , the rotating plate 720 is provided with a positioning hole 721 and two filter parts 722 , wherein the center distance from the filter part 722 to the positioning hole 721 is the same. The filter part 722 is provided with a filter screen, and the filter screen can filter the material. The rotating plate 720 is disposed in the main body part 710 and can swing around the positioning hole 721 to make a certain filter part 722 align with the filter channel 711 . A swing bar can be provided on the rotating plate 720, and the operator can quickly align a certain filter part 722 with the filter channel 711 through the swing bar.

The controller 500 is electrically or wirelessly connected to the heating ring 300 , the temperature probe 400 and the cooling fan 600 to control the temperature of the material, thereby ensuring the quality of the final product.

By setting the film recycling granulator in this way, at least some of the following technical effects can be achieved: it is convenient to control the temperature of the materials in each stage of the film recycling granulator, such as the feeding section, compression section, homogenization section and filtering section. temperature control, and filter the produced products to ultimately ensure the quality of the produced products.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. a film recycling granulator, is characterized in that, comprises: a frame main body, the frame main body is provided with a feeding port, a sleeve is arranged inside, and one end of the sleeve is communicated with the feeding port; a screw, which is rotatably installed in the sleeve for conveying materials; a heating ring, which is sleeved on the sleeve and used to heat the material in the sleeve; a temperature probe, which is arranged in the main body of the frame and is used to monitor the temperature of the material inside the sleeve; The controller is electrically or wirelessly connected with the heating coil and the temperature probe, and is used for controlling the heating temperature of the heating coil. 2 . The film recycling granulator according to claim 1 , wherein the temperature probe is embedded in the sleeve. 3 . 3. The film recycling granulator according to claim 1, characterized in that, further comprising a cooling fan, and the cooling fan is arranged at the sleeve for cooling the material in the sleeve; The cooling fan is electrically or wirelessly connected to the controller. 4 . The film recycling granulator according to claim 3 , wherein the cooling fans are provided in multiple groups along the length direction of the sleeve. 5 . 5 . The film recycling granulator according to claim 1 , further comprising a filter device, the filter device is connected to one end of the sleeve for filtering materials. 6 . 6 . The film recycling granulator according to claim 5 , wherein the filtering device comprises a main body, and a filtering channel is arranged in the main body, and the filtering channel is communicated with the sleeve, so that the The main body part is provided with the heating ring and the temperature probe. 7 . The film recycling granulator according to claim 6 , wherein the filter device comprises a rotating plate, and the rotating plate is rotatably arranged on the main body; the rotating plate is provided with a number of filters. 8 . part, the rotating plate can rotate to select one of the filter parts to align it with the filter channel. 8 . The film recycling granulator according to claim 1 , wherein the screw is a different-diameter screw, and the different-diameter screw includes a first thread segment and a second thread segment connected in sequence along the screw advancing direction. 9 . and the third thread segment; the diameter of the rod portion of the first thread segment gradually decreases along the screw advancing direction, the diameter of the rod portion of the second thread segment gradually increases along the screw advancing direction, and the rod portion of the third thread segment gradually increases in diameter along the screw advancing direction. The diameter of the first thread segment remains unchanged; the thread outer diameter of the first thread segment gradually decreases along the screw advancing direction, and the thread outer diameters of the second thread segment and the third thread segment remain unchanged; the first thread segment, The shank diameter and the outer diameter of the thread at the connection of the second thread segment and the third thread segment remain the same. 9 . The film recycling granulator according to claim 8 , wherein the sleeve is provided with the temperature probe at the first thread segment and/or the third thread segment. 10 . 10 . The film recycling granulator according to claim 8 , wherein the reducing screw is integrally formed. 11 .

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