CN218084097U - Material return device is prevented to twin-screw extruder's granulation vacuum mouth - Google Patents
Material return device is prevented to twin-screw extruder's granulation vacuum mouth Download PDFInfo
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- CN218084097U CN218084097U CN202220775800.0U CN202220775800U CN218084097U CN 218084097 U CN218084097 U CN 218084097U CN 202220775800 U CN202220775800 U CN 202220775800U CN 218084097 U CN218084097 U CN 218084097U
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- storehouse
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- vacuum port
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Abstract
The utility model discloses a double screw extruder's granulation vacuum mouth prevents returning charge device, including the extruder main part, one side intercommunication at extruder main part top has the vacuum mouth, and the intermediate position department at extruder main part top installs the collection storehouse to collect through first pipeline intercommunication between storehouse and the vacuum mouth. The utility model discloses a slip of movable rod and installation storehouse, the slip of piston and installing frame, make in collecting the storehouse raw materials collect full back, the negative pressure that the piston received obviously increases, and then make the piston can slide and leave the inside of installing frame, and then make outside air can get into the inside of second pipeline through the filtration pore on the second filter, thereby reduce the continuous adsorption affinity of second pipeline to raw materials in collecting the storehouse, and then avoid collecting in the storehouse raw materials extrusion first filter and get into in the second pipeline, and then can further avoid the raw materials to get into in the basin easily, and can in time point out operating personnel and collect and be in full load state in the storehouse.
Description
Technical Field
The utility model relates to an extruder technical field especially relates to a double screw extruder's granulation vacuum mouth prevents returning charge device.
Background
Many modern profiles are produced by an extrusion processing mode, an extruder is one of main application devices, and a double-screw extruder is one of the extruders, is different from a traditional extruder and is driven by double screws;
compared with a granulating vacuum port anti-return device of a double-screw extruder disclosed in patent No. CN201020529828.3, the device adopts a return collection box, return firstly enters the return collection box, so that the return is prevented from entering a water tank, and the return time can be prolonged; because the return material collecting box is positioned outside the shell of the double-screw extruder, the return material in the return material collecting box is convenient to clean and can be treated in time, but certain problems still exist in use, and the specific problems are as follows;
this double screw extruder's granulation vacuum mouth prevents returning charge device, after collecting in its collecting box, under the effect of negative pressure, in the raw materials extrusion still easily in the collecting box gets into the basin through the pipeline, and then leads to under the partial condition, operating personnel still need clean in to the basin.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a granulating vacuum port anti-return device of a double-screw extruder.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a double screw extruder's granulation vacuum port prevents returning charge device, includes the extruder main part, one side intercommunication at extruder main part top has the vacuum mouth, and the intermediate position department at extruder main part top installs and collects the storehouse to collect through first pipeline intercommunication between storehouse and the vacuum mouth, the inside one side of keeping away from the vacuum mouth of extruder main part is provided with the basin, and through second pipeline intercommunication between basin and the collection storehouse to the second pipeline is close to the one end of collecting the storehouse and installs first filter, one side of keeping away from the vacuum mouth at extruder main part top installs the vacuum pump, and the input and the basin intercommunication of vacuum pump, the outside intercommunication of second pipeline has the installation storehouse, the one side that the second pipeline was kept away from at installation storehouse top has seted up the inlet port, and the internally mounted second inlet port, the alarm is installed at the top that the second pipeline one side was kept away from to the installation storehouse in the installation storehouse, and one side that the installation storehouse was kept away from to the alarm installs the touch and press the switch, the installation frame is installed to the inside wall in installation storehouse, be provided with in the installation frame and be used for carrying out confined elastic mechanism to the installation storehouse.
Preferably, the supporting legs are installed on two sides of the bottom of the installation bin and are fixedly connected with the extruder body through screws.
Preferably, elastic mechanism is including setting up the piston in installation storehouse inboard, the movable rod is installed to one side that the piston is close to the alarm, and the movable rod runs through the installation storehouse, be connected with the spring between movable rod and the installation storehouse.
Preferably, the piston is made of rubber, and the piston and the mounting frame form a relative sliding structure.
Preferably, the cross-sectional shape of the movable rod is "T" shape, and the movable rod is connected with the installation bin in a sliding manner.
Preferably, the top and the bottom of one side of the piston are both provided with guide rods in a penetrating manner, and the guide rods are fixedly connected with the mounting bin.
Compared with the prior art, the utility model, its beneficial effect does:
1. through the slip of movable rod and installation storehouse, the slip of piston and installing frame, make in collecting the storehouse raw materials and collect full back, the negative pressure that the piston received obviously increases, and then make the piston can slide and leave the inside of installing frame, and then make outside air can get into the inside of second pipeline through the filtration pore on the second filter, thereby reduce the continuous adsorption affinity of second pipeline to raw materials in the collection storehouse, and then avoid in the collection storehouse raw materials extrusion first filter gets into the second pipeline in, and then can further avoid the raw materials to get into in the basin easily.
2. Through being provided with the alarm on the installation storehouse and touch the switch for when the piston slides and leaves the inboard of installing frame, the movable rod can push the touch switch on the alarm thereupon, makes the alarm send out the police dispatch newspaper, in time reminds operating personnel to collect and is in full load condition in the storehouse.
Drawings
Fig. 1 is a schematic view of a front sectional view of a granulation vacuum port anti-returning device of a twin-screw extruder provided by the utility model;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is a schematic view of a three-dimensional structure of a piston of a granulation vacuum port material return prevention device of a double-screw extruder.
In the figure: the device comprises an extruder main body 1, a vacuum port 2, a collection bin 3, a first pipeline 4, a water tank 5, a second pipeline 6, a first filter plate 7, a vacuum pump 8, an installation bin 9, an air inlet 10, a second filter plate 11, an alarm 12, a touch switch 13, supporting legs 14, screws 15, an installation frame 16, a piston 17, a movable rod 18, a spring 19 and a guide rod 20.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1-3, a pelletizing vacuum port anti-return device of a double-screw extruder comprises an extruder main body 1, one side of the top of the extruder main body 1 is communicated with a vacuum port 2, a collection bin 3 is installed at the middle position of the top of the extruder main body 1, the collection bin 3 is communicated with the vacuum port 2 through a first pipeline 4, a water tank 5 is arranged at one side of the top of the extruder main body 1, which is far away from the vacuum port 2, the water tank 5 is communicated with the collection bin 3 through a second pipeline 6, a first filter plate 7 is installed at one end, which is close to the collection bin 3, of the second pipeline 6, a vacuum pump 8 is installed at one side of the top of the extruder main body 1, which is far away from the vacuum port 2, an input end of the vacuum pump 8 is communicated with the water tank 5, an installation bin 9 is communicated with the outer side of the second pipeline 6, an air inlet 10 is installed at one side, which is far away from the second pipeline 6, of the top of the installation bin 9 is provided with a second filter plate 11, an alarm 12 is installed at the top of one side, a contact pressure switch 13 is installed at one side, two sides, the bottom of the installation bin 9 are installed with two sides, and two sides of the installation bin 9 are fixedly connected with an extrusion main body 1 through a screw 14, and are fixedly connected with a support leg in the extrusion main body 1;
an installation frame 16 is installed on the inner side wall of the installation bin 9, an elastic mechanism used for sealing the installation bin 9 is arranged in the installation frame 16 and comprises a piston 17 arranged on the inner side of the installation bin 9, a movable rod 18 is installed on one side, close to the alarm 12, of the piston 17, the movable rod 18 penetrates through the installation bin 9, a spring 19 is connected between the movable rod 18 and the installation bin 9, the piston 17 is made of rubber, and the piston 17 and the installation frame 16 form a relative sliding structure, so that when the piston 17 is located inside the installation frame 16, the sealing of the installation bin 9 can be guaranteed;
the cross section of the movable rod 18 is in a T shape, and the movable rod 18 is in sliding connection with the mounting bin 9, so that after the collecting bin 3 is filled with raw materials, when negative pressure applied to the piston 17 is increased, the piston 17 can drive the movable rod 18 to move towards the direction close to the second pipeline 6, further the piston 17 and the mounting frame 16 are enabled to remove the sealing of the mounting bin 9, external air can enter the second pipeline 6, and the negative pressure acting force in the collecting bin 3 is prevented from being continuously increased;
the top and the bottom of piston 17 one side all run through there is guide bar 20, and guide bar 20 and installation bin 9 fixed connection, further guarantee piston 17 at the stability of removal in-process.
The utility model discloses during the use, as shown in fig. 1-3, with the device switch on, open vacuum pump 8, it gets into in collecting storehouse 3 and further gets into basin 5 to drive the air through vacuum port 2, and finally discharge, in this process, unnecessary raw materials can get into the inside of collecting storehouse 3, after the raw materials is full of in collecting storehouse 3, the negative pressure that piston 17 received increases rapidly, through the slip of movable rod 18 with installation storehouse 9, piston 17 respectively with the slip of installing frame 16 and guide bar 20, spring 19's elasticity, make this moment piston 17 can slide the inboard that leaves installing frame 16 to the direction that is close to second pipeline 6 thereupon, and then make outside air get into the inside of second pipeline 6 through the filtration pore on the second filter 11, reduce the adsorption affinity that the negative pressure lasts the increase in collecting storehouse 3, and then avoid the raw materials to get into in the second pipeline 6 and further get into basin 5 through the filtration pore on first filter 7 easily through the extrusion mode, piston 17 is removing to when leaving installing frame 16 inside simultaneously, movable rod 18 can just in time extrude the touch-press switch 13, make the alert personnel of collecting the raw materials in time to send the prompt and need not look over the prompt the time to the collection storehouse 3 and carry out the convenience of collecting the operation personnel.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a double screw extruder's granulation vacuum port prevents returning charge device, includes extruder main part (1), its characterized in that, one side intercommunication at extruder main part (1) top has vacuum port (2), and the intermediate position department at extruder main part (1) top installs collection storehouse (3), and through first pipeline (4) intercommunication between collection storehouse (3) and vacuum port (2), one side of vacuum port (2) is kept away from to extruder main part (1) inside is provided with basin (5), and through second pipeline (6) intercommunication between basin (5) and the collection storehouse (3), and second pipeline (6) are close to the one end of collecting storehouse (3) and install first filter (7), vacuum pump (8) are installed to one side of vacuum port (2) is kept away from at extruder main part (1) top, and the input of vacuum pump (8) communicates with basin (5), the outside intercommunication of second pipeline (6) has installation storehouse (9), the one side of second pipeline (6) is kept away from to install second pipeline (6) and offer 10), and install the air inlet port (12) of second pipeline (9) and press the switch (12) and install the alarm (9), the mounting frame (16) is installed to the inside wall of installation storehouse (9), be provided with in installation frame (16) and be used for carrying out confined elastic mechanism to installation storehouse (9).
2. The pelletizing vacuum port material return prevention device of the double-screw extruder as claimed in claim 1, characterized in that supporting feet (14) are mounted on both sides of the bottom of the mounting bin (9), and the supporting feet (14) are fixedly connected with the extruder main body (1) through screws (15).
3. The pelletizing vacuum port material return preventing device of the double-screw extruder as claimed in claim 1, characterized in that the elastic mechanism comprises a piston (17) arranged inside the mounting bin (9), a movable rod (18) is mounted on one side of the piston (17) close to the alarm (12), the movable rod (18) penetrates through the mounting bin (9), and a spring (19) is connected between the movable rod (18) and the mounting bin (9).
4. The pelletizing vacuum port anti-return device of the twin-screw extruder as claimed in claim 3, characterized in that the piston (17) is made of rubber, and the piston (17) and the mounting frame (16) form a relative sliding structure.
5. The granulation vacuum port anti-return device of the twin-screw extruder as claimed in claim 3, characterized in that the cross-sectional shape of the movable rod (18) is "T" shaped, and the movable rod (18) is connected with the mounting bin (9) in a sliding manner.
6. The pelletizing vacuum port anti-return device of the twin-screw extruder as claimed in claim 3, characterized in that the top and the bottom of one side of the piston (17) are both penetrated with a guide rod (20), and the guide rod (20) is fixedly connected with the mounting bin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220775800.0U CN218084097U (en) | 2022-03-31 | 2022-03-31 | Material return device is prevented to twin-screw extruder's granulation vacuum mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220775800.0U CN218084097U (en) | 2022-03-31 | 2022-03-31 | Material return device is prevented to twin-screw extruder's granulation vacuum mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218084097U true CN218084097U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220775800.0U Active CN218084097U (en) | 2022-03-31 | 2022-03-31 | Material return device is prevented to twin-screw extruder's granulation vacuum mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218084097U (en) |
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2022
- 2022-03-31 CN CN202220775800.0U patent/CN218084097U/en active Active
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