CN219446037U

CN219446037U - Double-screw extruder for plastic production

Info

Publication number: CN219446037U
Application number: CN202320356058.4U
Authority: CN
Inventors: 袁飞; 宋红光; 袁旭阳; 邓伟平; 单乐承
Original assignee: Dongguan Dachuan Plastic Technology Co ltd
Current assignee: Dongguan Dachuan Plastic Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-08-01
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses a double-screw extruder for plastic production, which comprises a double-screw extruder body, wherein an annular sealing groove is formed in the extrusion end of the double-screw extruder body, a telescopic cylinder is hermetically and slidably arranged in the annular sealing groove, a moving assembly is jointly installed between the telescopic cylinder and the double-screw extruder body, a fixed seat is fixedly connected to one side of the outer surface of the double-screw extruder body, a supporting shaft is rotatably connected to one side of the outer surface of the fixed seat, and a power assembly is jointly installed between the supporting shaft and the fixed seat. According to the utility model, through the power assembly, the fixed seat, the mounting seat, the telescopic cylinder and the moving assembly, the unused die head is mounted on the mounting seat before the die head needs to be replaced, and the die head can be quickly switched when being replaced, so that the die head can be quickly replaced, then the used die head is disassembled, and the production efficiency of plastic products can be improved.

Description

Double-screw extruder for plastic production

Technical Field

The utility model relates to the technical field of double-screw extruders, in particular to a double-screw extruder for plastic production.

Background

The double-screw extruder is high-quality and efficient plastic extrusion equipment, and has been widely applied to the molding processing of extruded products due to the characteristics of good feeding performance, mixing plasticizing performance, air exhaust performance, extrusion stability and the like;

the existing double-screw extruder for plastic production needs to stop and replace corresponding dies when different plastic products are produced, the dies can be removed only after the die bolts on the double-screw extruder are removed one by one, then a new die is replaced, and finally the dies are screwed with the die bolts, so that the switching time of the dies is too long, and the extrusion efficiency of the plastic products is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a double-screw extruder for plastic production.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a twin-screw extruder for plastic production, includes the twin-screw extruder body, the extrusion end of twin-screw extruder body is equipped with annular seal groove, annular seal groove's inside sealed slip has a flexible section of thick bamboo, install the removal subassembly jointly between flexible section of thick bamboo and the twin-screw extruder body, the surface one side fixedly connected with fixing base of twin-screw extruder body, the surface one side rotation of fixing base is connected with the back shaft, install power component jointly between back shaft and the fixing base, the one end fixedly connected with mount pad of back shaft, the surface one side symmetry fixedly connected with two dies of mount pad, two install a plurality of locating components jointly between die head all and the mount pad.

Further, remove the subassembly and include two electric telescopic handle, and fixed connection between electric telescopic handle and the twin-screw extruder body, two equal fixedly connected with fixed plate in the end of electric telescopic handle, and fixed connection between fixed plate and the flexible section of thick bamboo can promote flexible section of thick bamboo and remove when electric telescopic handle promotes the fixed plate and remove.

Further, the power component comprises a motor, and fixed connection between motor and the fixing base, the drive shaft of motor runs through the surface of fixing base and extends to inside and fixedly connected with first gear, the top meshing of first gear is connected with the second gear, the one end fixed connection of second gear and back shaft, fixed position welding forms between second gear and the back shaft, and welded structure is simple, guarantees the intensity of junction simultaneously.

Further, a plurality of locating component all includes the constant head tank, and its constant head tank is seted up at the surface of mount pad, the inside of constant head tank is equipped with the reference column, and fixed connection between reference column and the adjacent die head has the location effect, is favorable to the installation of die head.

Further, a plurality of bolts are jointly installed between the die heads and the installation seats, the bolts are high-strength bolts, and the service life of the bolts is guaranteed.

Further, two through holes are symmetrically formed in the outer surface of the mounting seat, and the through holes are matched with the die heads.

Further, the end fixedly connected with annular sealing pad of flexible section of thick bamboo, and the looks butt between annular sealing pad and the adjacent die head, annular sealing pad selects high temperature resistant material, guarantees annular sealing pad's life.

The utility model has the beneficial effects that:

when the double-screw extruder for plastic production is used, the unused die heads are arranged on the mounting seat before the die heads are required to be replaced through the power assembly, the fixing seat, the mounting seat, the telescopic cylinder and the moving assembly, and the die heads can be quickly switched when the die heads are replaced, so that the die heads can be quickly replaced, then the used die heads are disassembled, and the production efficiency of plastic products can be improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the connection of a die head and a mounting base according to the present utility model;

fig. 3 is a top partial cross-sectional view of the present utility model.

Legend description:

1. a twin screw extruder body; 2. a motor; 3. a mounting base; 4. an electric telescopic rod; 5. a fixing seat; 6. a telescopic cylinder; 7. a fixing plate; 8. a die head; 9. an annular seal groove; 10. a first gear; 11. a second gear; 12. a positioning groove; 13. positioning columns; 14. a through hole; 15. an annular gasket; 16. and a support shaft.

Detailed Description

Fig. 1 to 3 show, relate to a twin-screw extruder for plastic production, including twin-screw extruder body 1, the extrusion end of twin-screw extruder body 1 is equipped with annular seal groove 9, the inside sealed slip of annular seal groove 9 has flexible section of thick bamboo 6, install the movable assembly jointly between flexible section of thick bamboo 6 and the twin-screw extruder body 1, surface one side fixedly connected with fixing base 5 of twin-screw extruder body 1, surface one side rotation of fixing base 5 is connected with back shaft 16, install power component jointly between back shaft 16 and the fixing base 5, the one end fixedly connected with mount pad 3 of back shaft 16, surface one side symmetry fixedly connected with two die heads 8 of mount pad 3, install a plurality of locating components jointly between two die heads 8 and the mount pad 3.

As shown in fig. 1, a plurality of bolts are commonly installed between the two dies 8 and the mounting seat 3, which is beneficial to the installation and the disassembly of the dies 8.

As shown in fig. 1, 2 and 3, the power assembly comprises a motor 2, the motor 2 is fixedly connected with the fixing seat 5, a driving shaft of the motor 2 penetrates through the outer surface of the fixing seat 5 to extend into the fixing seat 5 and is fixedly connected with a first gear 10, the top of the first gear 10 is in meshed connection with a second gear 11, the second gear 11 is fixedly connected with one end of a supporting shaft 16, and the supporting shaft 16 is conveniently driven to rotate, so that the mounting seat 3 is driven to rotate.

As shown in fig. 2 and 3, the moving assembly comprises two electric telescopic rods 4, the electric telescopic rods 4 are fixedly connected with the double-screw extruder body 1, the tail ends of the two electric telescopic rods 4 are fixedly connected with a fixing plate 7, and the fixing plate 7 is fixedly connected with the telescopic cylinder 6, so that the telescopic cylinder 6 is beneficial to being far away from or close to the die head 8.

As shown in fig. 3, the positioning assemblies comprise positioning grooves 12, the positioning grooves 12 are formed in the outer surface of the mounting seat 3, positioning columns 13 are arranged in the positioning grooves 12, the positioning columns 13 are fixedly connected with the adjacent die heads 8, positioning functions are achieved, and the accuracy of the position mounting of the die heads 8 is guaranteed.

Two through holes 14 are symmetrically formed in the outer surface of the mounting seat 3, and the through holes 14 are matched with the die head 8, so that the die head 8 is mounted.

The end fixedly connected with annular sealing gasket 15 of flexible section of thick bamboo 6, and annular sealing gasket 15 and adjacent die head 8 between the butt, guarantee the leakproofness of flexible section of thick bamboo 6 and die head 8 junction, avoid taking place the seepage phenomenon.

When the double-screw extruder for plastic production is used, the unused die head 8 is firstly installed according to the requirement, the positioning column 13 is inserted into the positioning groove 12, then the unused die head 8 is fixed with the mounting seat 3 through bolts, when the die head 8 is required to be switched, the two electric telescopic rods 4 are started, the telescopic cylinders 6 are driven to move through the fixing plates 7 so as to be far away from the die head 8, then the motor 2 drives the first gear 10 to rotate, the first gear 10 drives the second gear 11 to rotate, the mounting seat 3 is driven to rotate 180 degrees through the supporting shaft 16, then the electric telescopic rods 4 drive the fixing plates 7 to be close to the mounting seat 3 until the annular sealing gasket 15 abuts against the die head 8, and finally the used die head 8 is removed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a plastic production is with twin-screw extruder, includes twin-screw extruder body (1), its characterized in that: the extrusion end of twin-screw extruder body (1) is equipped with annular seal groove (9), the inside sealed slip of annular seal groove (9) has flexible section of thick bamboo (6), install between flexible section of thick bamboo (6) and the twin-screw extruder body (1) jointly and remove the subassembly, the surface one side fixedly connected with fixing base (5) of twin-screw extruder body (1), the surface one side rotation of fixing base (5) is connected with back shaft (16), install power component jointly between back shaft (16) and fixing base (5), the one end fixedly connected with mount pad (3) of back shaft (16), two outer surface one side symmetry fixedly connected with two die heads (8) of mount pad (3), two install a plurality of locating components jointly between die head (8) all and mount pad (3).

2. The twin-screw extruder for plastic production of claim 1, wherein: the movable assembly comprises two electric telescopic rods (4), the electric telescopic rods (4) are fixedly connected with the double-screw extruder body (1), the tail ends of the two electric telescopic rods (4) are fixedly connected with fixing plates (7), and the fixing plates (7) are fixedly connected with the telescopic cylinders (6).

3. The twin-screw extruder for plastic production of claim 1, wherein: the power assembly comprises a motor (2), the motor (2) is fixedly connected with the fixing seat (5), a driving shaft of the motor (2) penetrates through the outer surface of the fixing seat (5) to extend into the fixing seat and is fixedly connected with a first gear (10), the top of the first gear (10) is connected with a second gear (11) in a meshed mode, and the second gear (11) is fixedly connected with one end of the supporting shaft (16).

4. The twin-screw extruder for plastic production of claim 1, wherein: the positioning assemblies comprise positioning grooves (12), the positioning grooves (12) are formed in the outer surfaces of the mounting seats (3), positioning columns (13) are arranged in the positioning grooves (12), and the positioning columns (13) are fixedly connected with the adjacent die heads (8).

5. The twin-screw extruder for plastic production of claim 1, wherein: a plurality of bolts are commonly installed between the two die heads (8) and the mounting seat (3).

6. The twin-screw extruder for plastic production of claim 1, wherein: two through holes (14) are symmetrically formed in the outer surface of the mounting seat (3), and the through holes (14) are matched with the die head (8).

7. The twin-screw extruder for plastic production of claim 1, wherein: the tail end of the telescopic cylinder (6) is fixedly connected with an annular sealing gasket (15), and the annular sealing gasket (15) is abutted with the adjacent die heads (8).