CN218749178U

CN218749178U - Double-screw extruder

Info

Publication number: CN218749178U
Application number: CN202222532437.2U
Authority: CN
Inventors: 陈模; 黄伯庆
Original assignee: Zhangzhou Xinyijia Plastic Co ltd
Current assignee: Zhangzhou Xinyijia Plastic Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-03-28
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to a plastics processing technology field discloses a double screw extruder, including the storage bucket, top surface one side fixedly connected with hopper of storage bucket, the outside middle part of storage bucket is provided with the hot plate, the inside of extrusion bucket lateral wall is provided with the heating pipe, the extrusion bucket sets up the inside at the shell, the first gear of output fixedly connected with of first motor, the top and the bottom of first gear all mesh and are connected with the second gear, two the first screw rod of the equal fixedly connected with in middle part of second gear. The utility model discloses in, can preheat the raw materials in the storage bucket through the drive hot plate, after raw materials got into the extrusion bucket in the storage bucket, the work of redrive heating pipe, preheat the back heating pipe through the hot plate to the raw materials and heat it again, can make the speed of raw materials heating accelerate, improve work efficiency.

Description

Double-screw extruder

Technical Field

The utility model relates to a plastic processing technology field especially relates to a double screw extruder.

Background

The double screw extruder is improved from a single screw extruder, is one of necessary equipment for manufacturing extruded products and extrusion forming processing, and in the process of manufacturing plastic rice, the double screw extruder is also required to be used for heating and melting the plastic, then extruding and granulating.

When the existing extruder is used, the melting speed is low easily due to insufficient temperature, so that the heating time needs to be prolonged, the working efficiency is reduced, the hopper of the existing extruder is directly fed, namely, the plastic directly enters the hopper and flows into the extruder, and the plastic is easily adhered to the inlet to cause blockage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing 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, includes the storage bucket, top surface one side fixedly connected with hopper of storage bucket, the bottom fixed connection of storage bucket is in top one side of extrusion bucket, the outside middle part of storage bucket is provided with the hot plate, the inside of extrusion bucket lateral wall is provided with the heating pipe, one side fixedly connected with discharge plate of extrusion bucket inner wall, the middle part of discharge plate is provided with a plurality of discharge openings, the extrusion bucket sets up the inside at the shell, the bottom fixedly connected with fixture block of shell, the bottom fixed connection of fixture block is in top surface one side of base, the opposite side fixedly connected with fixing base at base top surface middle part, the first motor of top fixedly connected with of fixing base, the first gear of output fixedly connected with of first motor, the top and the bottom of first gear all mesh and are connected with the second gear, two the equal fixedly connected with first screw rod in middle and lower part at the extrusion bucket opposite side are rotated respectively in the one end outside of first screw rod.

As a further description of the above technical solution:

five fixing grooves are uniformly distributed in the outer side wall of the extrusion barrel, and five heating pipes are fixedly connected in the fixing grooves.

As a further description of the above technical solution:

the outside of extrusion bucket is provided with the heat preservation cotton, the cotton cover of heat preservation is in the outside of extrusion bucket.

As a further description of the above technical solution:

the outer wall fixedly connected with a plurality of pillars of extrusion bucket, it is a plurality of the equal fixed connection of one end of pillar is at the inner wall of shell.

As a further description of the above technical solution:

the shell all is provided with the through-hole with cotton top one side of keeping warm, the bottom in the storage bucket outside sets up in the through-hole.

As a further description of the above technical solution:

the bottom of the heating plate is fixedly connected to one side of the headquarter of the shell.

As a further description of the above technical solution:

the clamping blocks are fixedly connected to the front side of the middle of the shell and the rear side of the middle of the shell respectively, and the bottoms of the clamping blocks are fixedly connected to the front side and the rear side of one side of the top surface of the base respectively.

As a further description of the above technical solution:

the top surface middle part fixedly connected with second motor of storage bucket, the output end fixed connection of second motor is in the one end of second screw rod, the equal fixedly connected with scraper blade in top of second screw rod both sides, and the one side of keeping away from mutually of two scraper blades all contacts with the inner wall at storage bucket top.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, can preheat the plastics that are in the storage bucket through drive hot plate work, after plastics got into the extrusion bucket in the storage bucket, five heating pipe simultaneous workings of drive can heat the plastics after preheating, preheats the raw materials through the hot plate, can make the speed of raw materials heating in the extrusion bucket accelerate, improve work efficiency.

2. The utility model discloses in, when driving the second motor and driving the second screw rod and carry plastics in with the storage bucket in to the extrusion bucket, the second screw rod also can drive two scraper blades rotatory, through the rotation of two scraper blades, can stir the plastics in the storage bucket, makes plastics can the thermally equivalent, also can avoid plastics to glue simultaneously and cause the jam on the inner wall at storage bucket top.

Drawings

Fig. 1 is a front sectional view of a twin-screw extruder according to the present invention;

FIG. 2 is a schematic structural view of a twin-screw extruder according to the present invention;

fig. 3 is a schematic structural view of a heating pipe of a twin-screw extruder provided by the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a charging bucket; 2. a hopper; 3. extruding the barrel; 4. a fixing groove; 5. heating a tube; 6. a pillar; 7. heat preservation cotton; 8. a housing; 9. a discharge plate; 10. a discharge hole; 11. a clamping block; 12. a base; 13. a fixed seat; 14. a first motor; 15. a first gear; 16. a second gear; 17. a first screw; 18. heating plates; 19. a second motor; 20. a second screw; 21. a scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a double-screw extruder comprises a charging basket 1, a hopper 2 is fixedly connected to one side of the top surface of the charging basket 1, the bottom of the charging basket 1 is fixedly connected to one side of the top of an extrusion barrel 3, a heating plate 18 is arranged in the middle of the outer side of the charging basket 1, a heating pipe 5 is arranged inside the outer side wall of the extrusion barrel 3, a discharge plate 9 is fixedly connected to one side of the inner wall of the extrusion barrel 3, a plurality of discharge holes 10 are arranged in the middle of the discharge plate 9, the extrusion barrel 3 is arranged inside a shell 8, a clamping block 11 is fixedly connected to the bottom of the shell 8, the bottom of the clamping block 11 is fixedly connected to one side of the top surface of a base 12, a fixed seat 13 is fixedly connected to the other side of the top of the fixed seat 13, a first motor 14 is fixedly connected to the output end of the first motor 14, a second gear 16 is meshed with the top and the bottom of the first gear 15, a first screw 17 is fixedly connected to the middle upper portion and the middle lower portion of the other side of the extrusion barrel 3, one end of the two first screws 17 are respectively rotatably connected to the middle portion of the extrusion barrel 3, when the plastic raw material is heated and extruded into the barrel, the plastic is heated and then extruded into the plastic barrel 3, the plastic barrel, the plastic is heated by the plastic barrel 3, the plastic barrel, the plastic is heated and then heated by the plastic barrel 3, the plastic raw material is heated by the plastic raw material is heated and then is heated by the plastic barrel 3, utilize first gear 15 to drive two second gears 16 and be two first screw rods 17 rotatory, thereby can carry the plastics raw materials after the melting to one side of extrusion bucket 3, discharge in the discharge opening 10 of play flitch 9 at last, can preheat the plastics raw materials in storage bucket 1 through hot plate 18, can heat the plastics raw materials that get into in extrusion bucket 3 again through heating pipe 5, can make the heating plastics raw materials carry out the melting speed and accelerate, and the work efficiency is improved, and simultaneously, heat preservation cotton 7 is sheathed in through the outside at extrusion bucket 3, can play heat retaining effect to extrusion bucket 3, avoid its heat loss.

Inside evenly distributed of 3 lateral walls of extrusion bucket has five fixed slots 4, and the equal fixedly connected with heating pipe 5 in inside of five fixed slots 4, the outside of extrusion bucket 3 is provided with heat preservation cotton 7, a plurality of pillars 6 of outer wall fixedly connected with of extrusion bucket 3, the equal fixed connection of one end of a plurality of pillars 6 is at the inner wall of shell 8, shell 8 and heat preservation cotton 7's top one side all are provided with the through-hole, the bottom in the 1 outside of storage bucket sets up in the through-hole, the bottom fixed connection of hot plate 18 is in the header one side of shell 8, fixture block 11 has two, two fixture block 11 are fixed connection respectively at the middle part front side and the middle part rear side of shell 8, and the bottom difference fixed connection of two fixture block 11 is at the front side and the rear side of base 12 top surface one side, top surface middle part fixedly connected with second motor 19 of storage bucket 1, the output fixed connection of second motor 19 is at the one end of second screw rod 20, the equal fixedly connected with scraper blade 21 in top of second screw rod 20 both sides, and the one side of keeping away from each other of two fixture block 21 all contacts with the inner wall at storage bucket 1 top, can drive the extrusion bucket 3 internal wall adhesion through the extrusion bucket, and can drive the extrusion bucket 3, and carry out the internal adhesion of extrusion bucket through the extrusion barrel 3, and the extrusion bucket is carried out the extrusion bucket through the plastics extrusion barrel that can be heated when the extrusion barrel is carried out the extrusion barrel extrusion, 3, the internal adhesion, it can avoid the internal adhesion, 3, it can avoid the internal adhesion, it can be fixed to push the internal adhesion, and push the extrusion bucket.

The working principle is as follows: during operation, pour the plastics raw materials into the inside of storage bucket 1 through hopper 2, drive hot plate 18 works this moment, can heat the plastics raw materials in the storage bucket 1, rethread drive second motor 19 drives the rotation of second screw rod 20, can transport the plastics raw materials in the storage bucket 1 to extrusion bucket 3, back in plastics raw materials gets into extrusion bucket 3, drive five heating pipes 5 and work, can heat the plastics raw materials after preheating again, through the middle part of five heating pipes 5 evenly distributed at extrusion bucket 3 outside inner wall, can carry out the even heating to the plastics raw materials in extrusion bucket 3, redrive first motor 14 after melting the plastics raw materials and drive first gear 15 rotatory, it is rotatory to utilize two second gear 16 of first gear 15 to be two first screw rods 17, thereby can carry the plastics raw materials after the melting to one side of extrusion bucket 3, discharge from the discharge opening 10 of flitch 9 at last, can preheat the plastics raw materials in storage bucket 1 through hot plate 18, can get into the extrusion bucket 3 interior plastics raw materials of extrusion bucket through heating pipe 5 and heat again, can heat the heat preservation cotton that goes on the extrusion bucket, can carry out the heating, can improve the heat preservation effect of extrusion bucket 3 simultaneously, the extrusion of plastics raw materials, the extrusion can avoid the extrusion bucket 3 to loss. Can drive second screw rod 20 through drive second motor 19 and rotate, can carry the plastics raw materials to extrusion bucket 3 after preheating the end, and when second screw rod 20 rotated, also can drive two scraper blades 21 and rotate, can scrape the plastics raw materials of the adhesion of being heated at 1 top inner wall of storage bucket, avoid causing the jam, and extrusion bucket 3 passes through pillar 6 to be fixed in the inside of shell 8, shell 8 passes through fixture block 11 to be fixed on base 12, can avoid extrusion bucket 3 to produce and rock.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A twin-screw extruder, includes storage bucket (1), its characterized in that: top surface one side fixedly connected with hopper (2) of storage bucket (1), the bottom fixed connection of storage bucket (1) is in top one side of extrusion bucket (3), the outside middle part of storage bucket (1) is provided with hot plate (18), the inside of extrusion bucket (3) lateral wall is provided with heating pipe (5), one side fixedly connected with discharge plate (9) of extrusion bucket (3) inner wall, the middle part of discharge plate (9) is provided with a plurality of discharge openings (10), extrusion bucket (3) set up the inside at shell (8), the bottom fixedly connected with fixture block (11) of shell (8), the bottom fixed connection of fixture block (11) is in top surface one side of base (12), the opposite side fixedly connected with fixing base (13) at base (12) top surface middle part, the top fixedly connected with first motor (14) of fixing base (13), the output fixedly connected with first gear (15) of first motor (14), the top and the bottom of first gear (15) all mesh and are connected with second gear (16), two equal fixedly connected with first screw rod (17) in the middle part of second gear (16) the first screw rod (17) and the second screw rod (17) and the middle part of the extrusion bucket (17) respectively.

2. A twin screw extruder as defined in claim 1 wherein: five fixing grooves (4) are uniformly distributed in the outer side wall of the extrusion barrel (3), and five heating pipes (5) are fixedly connected in the fixing grooves (4).

3. A twin screw extruder as defined in claim 1 wherein: the outer side of the extrusion barrel (3) is provided with heat insulation cotton (7).

4. A twin-screw extruder according to claim 1, characterised in that: the outer wall fixedly connected with of extrusion bucket (3) a plurality of pillars (6), it is a plurality of the equal fixed connection in the inner wall of shell (8) of one end of pillar (6).

5. A twin screw extruder as defined in claim 1 wherein: the top one side of shell (8) and heat preservation cotton (7) all is provided with the through-hole, the bottom in storage bucket (1) outside sets up in the through-hole.

6. A twin screw extruder as defined in claim 1 wherein: the bottom of the heating plate (18) is fixedly connected to one side of the headquarter of the shell (8).

7. A twin screw extruder as defined in claim 1 wherein: the number of the clamping blocks (11) is two, the two clamping blocks (11) are fixedly connected to the front side and the rear side of the middle of the shell (8) respectively, and the bottoms of the two clamping blocks (11) are fixedly connected to the front side and the rear side of one side of the top surface of the base (12) respectively.

8. A twin screw extruder as defined in claim 1 wherein: the top surface middle part fixedly connected with second motor (19) of storage bucket (1), the output end fixed connection of second motor (19) is in the one end of second screw rod (20), the equal fixedly connected with scraper blade (21) in top of second screw rod (20) both sides, and the one side of keeping away from mutually of two scraper blades (21) all contacts with the inner wall at storage bucket (1) top.