CN217098830U

CN217098830U - A anti-blocking equipment for plastics extruder

Info

Publication number: CN217098830U
Application number: CN202220537632.1U
Authority: CN
Inventors: 景维和
Original assignee: Hongxiang Extrusion Technology Dalian Co ltd
Current assignee: Hongxiang Extrusion Technology Dalian Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model relates to the technical field of plastic extrusion, in particular to an anti-blocking device for a plastic extruder, which improves the temperature in a chamber of an extrusion box, promotes the mobility of liquid plastic in a funnel and an inlet pipe, prevents the liquid plastic from blocking in the plastic extruder and improves the reliability and the practicability of the plastic extruder; including first motor, the rotation axis, the multiunit stirring rod, second helical blade, drive gear, two sets of driven gear, two sets of axis of rotation, two sets of fixed plates, multiunit scraper blade and heating device, first motor fixed mounting is in sealed lid upper end, the rotation axis rotates and installs on sealed lid, the upper end of rotation axis is connected with the output of first motor, the equal fixed mounting of multiunit stirring rod is on the upper portion of rotation axis, second helical blade fixed mounting is in the lower part of rotation axis, drive gear fixed mounting is at the lower extreme of rotation axis, two sets of driven gear respectively with drive gear about two meshing.

Description

A anti-blocking equipment for plastics extruder

Technical Field

The utility model relates to a technical field of extrusion molding especially relates to an anti-blocking equipment for plastic extruder.

Background

A plastic extruder is a device for conveying liquid plastic, which has wide application in the field of extrusion molding. The existing plastic extruder comprises a bottom plate, a support, an extrusion box, a rotating shaft, a driving motor, a first spiral blade, a feeding pipe, a funnel and a sealing cover, wherein the support is fixedly arranged at the upper end of the bottom plate; when the existing plastic extruder is used, firstly, liquid plastic is added into a funnel through a plurality of groups of feed inlets on a sealing cover, then the liquid plastic enters a cavity of an extrusion box through a feed pipe, then a driving motor is turned on, the driving motor drives a rotating shaft to rotate, and the rotating shaft drives a first helical blade to rotate, so that the liquid plastic in the cavity of the extrusion box is conveyed from left to right; the existing plastic extruder finds that liquid plastic is easy to cause congestion on the inner walls of the funnel and the feeding pipe in the using process, and the liquid plastic is easy to cause the mobility of the liquid plastic to be poor due to temperature reduction when being conveyed from left to right in the extrusion box cavity, so that the liquid plastic is blocked in the extrusion box cavity, and the plastic extruder is inconvenient to use and poor in practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve the temperature in extruding the case chamber, promoted the mobility of liquid plastics in funnel and inlet pipe, prevented that liquid plastics from blocking up in the plastics extruder, improved the anti-blocking equipment for plastics extruder of the reliability and the practicality of plastics extruder.

The utility model discloses an anti-blocking device for plastic extruder, which comprises a first motor, a rotating shaft, a plurality of groups of stirring rods, a second helical blade, a driving gear, two groups of driven gears, two groups of rotating shafts, two groups of fixed plates, a plurality of groups of scraping plates and a heating device, wherein the first motor is fixedly arranged at the upper end of a sealing cover, the rotating shafts are rotatably arranged on the sealing cover, the upper end of the rotating shaft is connected with the output end of the first motor, the plurality of groups of stirring rods are fixedly arranged at the upper part of the rotating shaft, the second helical blade is fixedly arranged at the lower part of the rotating shaft, the driving gear is fixedly arranged at the lower end of the rotating shaft, the two groups of driven gears are respectively meshed with the left part and the right part of the driving gear, the two groups of rotating shafts are respectively fixedly arranged at the upper ends of the two groups of driven gears, the two groups of rotating shafts are respectively rotatably arranged on the two groups of fixed plates, the two groups of fixed plates are respectively fixedly arranged at the left part and the right part of the feeding pipe, a plurality of groups of scraping plates are fixedly arranged on the two groups of rotating shafts, the scraping plates are tightly attached to the inner side wall of the feeding pipe, and the heating device is arranged at the right part of the extrusion box; when liquid plastic adheres to the feed pipe and the funnel to form congestion, a first motor is started, the first motor drives a rotating shaft to rotate, the rotating shaft drives a plurality of groups of stirring rods to rotate, the plurality of groups of stirring rods promote the flow of the liquid plastic in the funnel in the rotating process, so that the liquid plastic adhered to the funnel continues to flow downwards, meanwhile, the rotating shaft drives a second spiral blade to rotate, the rotating second spiral blade promotes the downward flow of the liquid plastic in the middle of the feed pipe, the rotating shaft drives a driving gear to rotate, the rotating driving gear drives two groups of driven gears to rotate, the two groups of driven gears drive two groups of rotating shafts to rotate, the two groups of rotating shafts drive a plurality of groups of scraping plates to rotate, the plastic adhered to the inner side wall of the feed pipe is scraped off by the plurality of groups of scraping plates in the rotating process, so that the liquid plastic descends downwards through the feed pipe, then, a heating device is started, and the heating device heats the liquid plastic extruded from the chamber through the side wall of the extrusion box, the flow of the liquid plastic in the extrusion box cavity is promoted, the liquid plastic is prevented from blocking in the extrusion box cavity, the flowability of the liquid plastic in the feeding pipe and the funnel is promoted through the rotation of the multiple groups of stirring rods, the multiple groups of scraping plates and the second spiral blades, the blocking of the liquid plastic in the feeding pipe and the funnel is prevented, and the convenience and the reliability of the plastic extruder in the using process are improved.

Preferably, the heating device comprises a water tank, a water outlet pipe, a water pump, a heating pipe and a return pipe, the water tank is fixedly mounted at the upper end of the base plate, a heater is arranged on the water tank, a cavity is formed in the water tank, water is filled in the cavity of the water tank, the input end of the water outlet pipe is communicated with the cavity of the water tank, the output end of the water outlet pipe is connected with the input end of the heating pipe through the water pump, the middle part of the heating pipe is wound on the outer side wall of the extrusion tank, the output end of the heating pipe is connected with the input end of the return pipe, and the output end of the return pipe is communicated with the cavity of the water tank; the heater is turned on, water in the cavity of the water tank is heated, then the water pump is turned on, hot water in the cavity of the water tank sequentially passes through the water outlet pipe and enters the heating pipe through the water pump, the middle part of the heating pipe is coiled on the extrusion tank, so that the hot water in the heating pipe heats the cavity of the extrusion tank through the outer side wall of the extrusion tank, liquid plastic in the cavity of the extrusion tank is heated, then the water in the heating pipe flows back to the cavity of the water tank through the return pipe and is circularly used in secondary heating, the temperature of the liquid plastic in the cavity of the extrusion tank is improved, the flowability of the liquid plastic is improved, the congestion of the liquid plastic in the cavity of the extrusion tank is prevented, and the reliability is improved.

Preferably, the temperature control device further comprises a temperature sensor, a temperature display instrument and a signal wire, wherein the temperature sensor is fixedly arranged in the cavity of the water tank, the temperature display instrument is fixedly arranged on the left side of the water tank, and the temperature display instrument is connected with the temperature sensor through the signal wire; through the arrangement, the temperature in the water tank cavity can be conveniently monitored, and the convenience in the use process is improved.

Preferably, the water tank also comprises a liquid level meter which is fixedly arranged on the water tank; through the arrangement, the monitoring of the liquid level in the cavity of the water tank is facilitated, and the convenience in the use process is improved.

Preferably, the input end of the water outlet pipe is provided with a filter screen; through the arrangement, impurities in water are prevented from entering the water pump through the water outlet pipe to affect the work of the heating pipe, and the reliability in the using process is improved.

Preferably, the first motor is provided with a dust cover; through the arrangement, dust and impurities falling to the first motor from the outside are reduced, and the cleanness in the using process is improved.

Preferably, the water tank is provided with an access hole, and a cover plate is arranged outside the access hole; through the arrangement, the maintenance of equipment in the cavity of the water tank is facilitated, and the convenience in the use process is improved.

Compared with the prior art, the beneficial effects of the utility model are that: when liquid plastic adheres to the feed pipe and the funnel to form congestion, a first motor is started, the first motor drives a rotating shaft to rotate, the rotating shaft drives a plurality of groups of stirring rods to rotate, the plurality of groups of stirring rods promote the flow of the liquid plastic in the funnel in the rotating process, so that the liquid plastic adhered to the funnel continues to flow downwards, meanwhile, the rotating shaft drives a second spiral blade to rotate, the rotating second spiral blade promotes the downward flow of the liquid plastic in the middle of the feed pipe, the rotating shaft drives a driving gear to rotate, the rotating driving gear drives two groups of driven gears to rotate, the two groups of driven gears drive two groups of rotating shafts to rotate, the two groups of rotating shafts drive a plurality of groups of scraping plates to rotate, the plastic adhered to the inner side wall of the feed pipe is scraped off by the plurality of groups of scraping plates in the rotating process, so that the liquid plastic descends downwards through the feed pipe, then, a heating device is started, and the heating device heats the liquid plastic extruded from the chamber through the side wall of the extrusion box, the flow of the liquid plastic in the extrusion box cavity is promoted, the liquid plastic is prevented from blocking in the extrusion box cavity, the flowability of the liquid plastic in the feeding pipe and the funnel is promoted through the rotation of the multiple groups of stirring rods, the multiple groups of scraping plates and the second spiral blades, the blocking of the liquid plastic in the feeding pipe and the funnel is prevented, and the convenience and the reliability of the plastic extruder in the using process are improved.

Drawings

FIG. 1 is a schematic front view of an extrusion box, feed pipe, hopper, etc.;

FIG. 2 is a schematic view of the structure of the base plate, water tank, heating pipe, etc.;

FIG. 3 is a schematic structural view of a rotary shaft, a second helical blade, a driving gear, and the like;

FIG. 4 is a schematic view of the structure of the first motor, the rotary shaft, the stirring rod, etc.;

in the drawings, the reference numbers: 1. a base plate; 2. a support; 3. an extrusion box; 4. a rotating shaft; 5. a drive motor; 6. a first helical blade; 7. a feed pipe; 8. a funnel; 9. a sealing cover; 10. a first motor; 11. a rotating shaft; 12. a stirring rod; 13. a second helical blade; 14. a drive gear; 15. a driven gear; 16. a rotating shaft; 17. a fixing plate; 18. a squeegee; 19. a water tank; 20. a water outlet pipe; 21. a water pump; 22. heating a tube; 23. a return pipe; 24. a temperature sensor; 25. a temperature display instrument; 26. a signal line; 27. a liquid level meter.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The first motor 10 is fixedly arranged at the upper end of the sealing cover 9, the rotating shaft 11 is rotatably arranged on the sealing cover 9, the upper end of the rotating shaft 11 is connected with the output end of the first motor 10, a plurality of groups of stirring rods 12 are fixedly arranged at the upper part of the rotating shaft 11, the second helical blade 13 is fixedly arranged at the lower part of the rotating shaft 11, the driving gear 14 is fixedly arranged at the lower end of the rotating shaft 11, two groups of driven gears 15 are respectively meshed with the left part and the right part of the driving gear 14, two groups of rotating shafts 16 are respectively fixedly arranged at the upper ends of the two groups of driven gears 15, two groups of rotating shafts 16 are respectively rotatably arranged on two groups of fixing plates 17, two groups of fixing plates 17 are respectively fixedly arranged at the left part and the right part of the feeding pipe 7, a plurality of groups of scraping plates 18 are respectively fixedly arranged on the two groups of rotating shafts 16, the plurality of scraping plates 18 are respectively tightly attached to the inner side wall of the feeding pipe 7, the heating device is arranged at the right part of the extrusion box 3, and the water tank 19 is provided with a heater, a cavity is arranged in the water tank 19, water is arranged in the cavity of the water tank 19, the input end of the water outlet pipe 20 is communicated with the cavity of the water tank 19, the output end of the water outlet pipe 20 is connected with the input end of the heating pipe 22 through a water pump 21, the middle part of the heating pipe 22 is wound on the outer side wall of the extrusion tank 3, the output end of the heating pipe 22 is connected with the input end of the return pipe 23, the output end of the return pipe 23 is communicated with the cavity of the water tank 19, the temperature sensor 24 is fixedly arranged in the cavity of the water tank 19, the temperature display instrument 25 is fixedly arranged on the left side of the water tank 19, the temperature display instrument 25 is connected with the temperature sensor 24 through a signal line 26, and the liquid level meter 27 is fixedly arranged on the water tank 19; when liquid plastics are attached to the feed pipe 7 and the funnel 8 to form a jam, the first motor 10 is started, the first motor 10 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the plurality of groups of stirring rods 12 to rotate, the plurality of groups of stirring rods 12 promote the flow of the liquid plastics in the funnel 8 in the rotating process, so that the liquid plastics attached to the funnel 8 continuously flow downwards, the rotating shaft 11 drives the second spiral blade 13 to rotate, the rotating second spiral blade 13 promotes the downward flow of the liquid plastics in the middle of the feed pipe 7, the rotating shaft 11 drives the driving gear 14 to rotate, the rotating driving gear 14 drives the two groups of driven gears 15 to rotate, the two groups of driven gears 15 drive the two groups of rotating shafts 16 to rotate, the two groups of rotating shafts 16 drive the plurality of groups of scraping plates 18 to rotate, the plurality of groups of scraping plates 18 scrape off the plastics attached to the inner side wall of the feed pipe 7 in the rotating process, so that the liquid plastics descend downwards through the feed pipe 7, the heater is turned on to heat water in the cavity of the water tank 19, then the water pump 21 is turned on to enable hot water in the cavity of the water tank 19 to sequentially enter the heating pipe 22 through the water outlet pipe 20 and the water pump 21, and the middle part of the heating pipe 22 is coiled on the extrusion tank 3, so that the hot water in the heating pipe 22 heats the cavity of the extrusion tank 3 through the outer side wall of the extrusion tank 3 to enable liquid plastic in the cavity of the extrusion tank 3 to be heated, and then the water in the heating pipe 22 flows back to the cavity of the water tank 19 through the return pipe 23 to be used in secondary heating circulation; the temperature in the cavity of the extrusion box 3 is improved, the liquidity of the liquid plastic in the hopper 8 and the feeding pipe 7 is promoted, the congestion of the liquid plastic in the plastic extruder is prevented, and the reliability and the practicability of the plastic extruder are improved.

As shown in fig. 1 to 4, the utility model discloses an anti-blocking device for plastic extruder, when it is working, when liquid plastic adheres to and forms congestion in the inlet pipe 7 and the funnel 8, the first motor 10 is opened, the first motor 10 drives the rotation axis 11 to rotate, the rotation axis 11 drives the rotation of the multiple groups of stirring rods 12, the multiple groups of stirring rods 12 promote the flow of the liquid plastic in the funnel 8 in the rotating process, so that the liquid plastic adhered to the funnel 8 continues to flow downwards, at the same time, the rotation axis 11 drives the second helical blade 13 to rotate, the rotating second helical blade 13 promotes the liquid plastic in the middle of the inlet pipe 7 to flow downwards, at the same time, the rotation axis 11 drives the driving gear 14 to rotate, the rotating driving gear 14 drives the two groups of driven gears 15 to rotate, the two groups of driven gears 15 drive the two groups of rotation axes 16 to rotate, the two groups of rotation axes 16 drive the multiple groups of scraper blades 18 to rotate, the plastic attached to the inner side wall of the feed pipe 7 is scraped off by the multiple groups of scraping plates 18 in the rotating process, so that the liquid plastic descends through the feed pipe 7, the heater is turned on to heat water in the cavity of the water tank 19, then the water pump 21 is turned on to enable hot water in the cavity of the water tank 19 to sequentially pass through the water outlet pipe 20 and the water pump 21 to enter the heating pipe 22, and the middle part of the heating pipe 22 is coiled on the extrusion box 3, so that the hot water in the heating pipe 22 heats the cavity of the extrusion box 3 through the outer side wall of the extrusion box 3 to heat the liquid plastic in the cavity of the extrusion box 3, and then the water in the heating pipe 22 returns to the cavity of the water tank 19 through the return pipe 23 to be recycled in a secondary heating process.

The utility model discloses an anti-blocking device for plastic extruder, the installation mode, connection mode or setting mode are common mechanical modes, and the implementation can be carried out as long as the beneficial effect can be achieved; the utility model discloses a stirring rod 12, temperature sensor 24, temperature display instrument 25 and level gauge 27 for plastics extruder's anti-blocking equipment are for purchasing on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An anti-blocking device for a plastic extruder is characterized by comprising a first motor (10), a rotating shaft (11), a plurality of groups of stirring rods (12), a second helical blade (13), a driving gear (14), two groups of driven gears (15), two groups of rotating shafts (16), two groups of fixing plates (17), a plurality of groups of scraping plates (18) and a heating device, wherein the first motor (10) is fixedly arranged at the upper end of a sealing cover (9), the rotating shaft (11) is rotatably arranged on the sealing cover (9), the upper end of the rotating shaft (11) is connected with the output end of the first motor (10), the plurality of groups of stirring rods (12) are fixedly arranged at the upper part of the rotating shaft (11), the second helical blade (13) is fixedly arranged at the lower part of the rotating shaft (11), the driving gear (14) is fixedly arranged at the lower end of the rotating shaft (11), and the two groups of driven gears (15) are respectively meshed with the left part and the right part of the driving gear (14), two sets of axis of rotation (16) are fixed mounting respectively in the upper end of two sets of driven gear (15), and two sets of axis of rotation (16) rotate respectively and install on two sets of fixed plates (17), and two parts about two sets of fixed plates (17) fixed mounting respectively are gone up in two sets of axis of rotation (16) equal fixed mounting has multiunit scraper blade (18) to multiunit scraper blade (18) all paste tightly with the inside wall of inlet pipe (7), and heating device installs the right part at extrusion case (3).

2. The anti-blocking device for the plastic extruder according to claim 1, wherein the heating device comprises a water tank (19), a water outlet pipe (20), a water pump (21), a heating pipe (22) and a return pipe (23), the water tank (19) is fixedly installed at the upper end of the base plate (1), a heater is arranged on the water tank (19), a cavity is formed in the water tank (19), water is filled in the cavity of the water tank (19), the input end of the water outlet pipe (20) is communicated with the cavity of the water tank (19), the output end of the water outlet pipe (20) is connected with the input end of the heating pipe (22) through the water pump (21), the middle part of the heating pipe (22) is wound on the outer side wall of the extrusion tank (3), the output end of the heating pipe (22) is connected with the input end of the return pipe (23), and the output end of the return pipe (23) is communicated with the cavity of the water tank (19).

3. The anti-blocking device for the plastic extruder according to claim 2, further comprising a temperature sensor (24), a temperature display instrument (25) and a signal wire (26), wherein the temperature sensor (24) is fixedly installed in the cavity of the water tank (19), the temperature display instrument (25) is fixedly installed on the left side of the water tank (19), and the temperature display instrument (25) and the temperature sensor (24) are connected through the signal wire (26).

4. The anti-blocking device for plastic extruders according to claim 2, characterized by further comprising a level gauge (27), the level gauge (27) being fixedly mounted on the water tank (19).

5. The anti-blocking device for plastic extruders according to claim 2, characterized in that the input end of the outlet pipe (20) is provided with a filter screen.

6. The anti-blocking device for plastic extruders according to claim 1, characterized in that the first motor (10) is provided with a dust cover.

7. The anti-blocking device for plastic extruders according to claim 2, characterized in that the water tank (19) is provided with an access opening, outside of which a cover plate is provided.