CN217021371U

CN217021371U - Bidirectional screw extruder for producing polypropylene plastic particles

Info

Publication number: CN217021371U
Application number: CN202220771688.3U
Authority: CN
Inventors: 陈丹
Original assignee: Shanghai Jinpu Plastic Packaging Material Co ltd
Current assignee: Shanghai Jinpu Plastic Packaging Material Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-22
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a bidirectional screw extruder for producing polypropylene plastic particles, which comprises a base, wherein the upper end of the base is fixedly connected with a lower screw cylinder, an upper screw cylinder is arranged above the lower screw cylinder, two sides of the upper screw cylinder and two sides of the lower screw cylinder are both fixedly connected with connecting plates, the upper end of the base is positioned at two sides of the lower screw cylinder and is fixedly connected with sliding rails, the sliding rails are slidably connected with a moving table, the upper end of the moving table is fixedly connected with a plurality of clamping sleeves, and one side of the upper end of the moving table is fixedly connected with a connecting seat; the base upper end both sides fixedly connected with mount, sliding connection has the removal frame on the mount, removes and installs the hopper on the frame, hopper lower extreme fixedly connected with chassis. According to the utility model, the chassis, the clamping block, the extension rod, the moving frame and the clamping sleeve are designed, the clamping sleeve is moved away to separate the upper screw cylinder from the lower screw cylinder in the ascending process of the hopper, and meanwhile, the hopper can drive the upper screw cylinder to ascend, so that a user can directly maintain the hopper conveniently.

Description

Bidirectional screw extruder for producing polypropylene plastic particles

Technical Field

The utility model relates to a bidirectional screw extruder, in particular to a bidirectional screw extruder for producing polypropylene plastic particles.

Background

With the rapid development of industrial technology, the twin-screw extruder has many different forms, the main difference lies in the difference of screw structure, and the meshed co-rotating twin-screw extruder has the characteristics of high rotating speed, large torque, high melting and plasticizing efficiency, low energy consumption, excellent mixing performance and the like, so in recent years, the meshed co-rotating twin-screw extruder is widely applied to the polymer processing processes of molding, blending, modification, reaction extrusion and the like.

Chinese patent discloses a two-way screw extruder is used in polypropylene plastic granules production (grant publication No. CN 214820671U), this patent technique can be through the upset subassembly that sets up, the connecting rod, hydraulic assembly and placing the piece, when carrying out the maintenance of twin-screw, through hydraulic assembly with place the cooperation of piece, place the hopper, the double-shaft motor drives the upper bracket through both sides output shaft and rotates in the subassembly that overturns simultaneously, the upper bracket drives the spiral shell section of thick bamboo and rotates, thereby open the spiral shell section of thick bamboo, make the twin-screw expose outward, thereby conveniently carry out the maintenance of twin-screw, however, need move the hopper earlier again with the spiral shell section of thick bamboo upset, need distribute going on. Accordingly, one skilled in the art provides a bi-directional screw extruder for producing polypropylene plastic pellets to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a bidirectional screw extruder for producing polypropylene plastic particles, which comprises a base, wherein the upper end of the base is fixedly connected with a lower screw cylinder, an upper screw cylinder is arranged above the lower screw cylinder, two sides of the upper screw cylinder and two sides of the lower screw cylinder are both fixedly connected with connecting plates, the upper end of the base is positioned at two sides of the lower screw cylinder and is fixedly connected with a sliding rail, the sliding rail is slidably connected with a moving table, the upper end of the moving table is fixedly connected with a plurality of clamping sleeves, and one side of the upper end of the moving table is fixedly connected with a connecting seat;

the utility model discloses a screw drive machine, including base, base upper end, sliding connection, hopper, extension rod, chassis, base upper end both sides fixedly connected with mount, sliding connection has the removal frame on the mount, installs the hopper on removing the frame, hopper lower extreme fixedly connected with chassis, go up screw section of thick bamboo upper end one side fixedly connected with extension rod, extension rod one end is located and removes the frame top, it is located chassis both sides fixedly connected with fixture block to go up screw section of thick bamboo upper end, the chassis is located between the fixture block, mount one side sliding connection has the removal seat, it is connected with the dead lever to remove a seat upper end, the dead lever is located and removes the frame below, it is connected with the connecting rod to rotate between seat and the connecting seat.

Preferably, the following components: the lower end of the hopper is inserted into the upper screw barrel.

Preferably, the following components: the upper end of the fixing frame is fixedly provided with a second motor, the lower end of the second motor is fixedly connected with a threaded rod, and the threaded rod penetrates through the moving frame.

Preferably: the screw cylinder is fixedly provided with a driving assembly at one side of the lower screw cylinder at the upper end of the base, and a first motor is arranged at one side of the driving assembly at the upper end of the base.

Preferably: the clamping sleeve is positioned on one side of the connecting plate, and the distance between the inner parts of the clamping sleeves is smaller than two times of the thickness of the connecting plate.

Preferably: the movable seat is provided with a spring and is elastically connected with the fixed frame.

Preferably: and a screw is arranged between the lower screw cylinder and the upper screw cylinder.

The utility model has the technical effects and advantages that:

according to the utility model, the chassis, the clamping block, the extension rod, the movable frame and the clamping sleeve are designed, the clamping sleeve is moved away in the ascending process of the hopper, so that the upper screw cylinder is separated from the lower screw cylinder, and meanwhile, the hopper can drive the upper screw cylinder to ascend, so that a user can conveniently and directly maintain the hopper.

Drawings

FIG. 1 is a schematic structural view provided herein;

FIG. 2 is a schematic structural view of a screw provided herein;

FIG. 3 is an enlarged view of A in FIG. 2 as provided herein;

FIG. 4 is a schematic view of the structure of the movable base provided in the present application;

in the figure:

1. a base; 2. a lower screw cylinder; 3. an upper screw cylinder; 4. a connecting plate; 5. a sliding rail; 6. a mobile station; 7. a clamping sleeve; 8. a drive assembly; 9. a first motor; 10. a screw; 11. a fixed mount; 12. a second motor; 13. a threaded rod; 14. a movable frame; 15. a hopper; 16. an extension pole; 17. a chassis; 18. a clamping block; 19. a connecting seat; 20. a movable seat; 21. a connecting rod; 22. and (6) fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1-4, the present embodiment provides a bi-directional screw extruder for producing polypropylene plastic particles, which includes a base 1, a lower screw cylinder 2 is fixedly connected with the upper end of the base 1, an upper screw cylinder 3 is arranged above the lower screw cylinder 2, a screw 10 is arranged between the lower screw cylinder 2 and the upper screw cylinder 3, a driving component 8 is fixedly arranged at one side of the lower screw cylinder 2 at the upper end of the base 1, a motor I9 is arranged at one side of the driving component 8 at the upper end of the base 1, connecting plates 4 are fixedly connected with both sides of the upper screw cylinder 3 and the lower screw cylinder 2, sliding rails 5 are fixedly connected with both sides of the lower screw cylinder 2 at the upper end of the base 1, a moving platform 6 is slidably connected on the sliding rails 5, a plurality of clamping sleeves 7 are fixedly connected with the upper end of the moving platform 6, the clamping sleeve 7 is positioned on one side of the connecting plate 4, the internal space of the clamping sleeve 7 is slightly smaller than twice the thickness of the connecting plate 4, and one side of the upper end of the mobile station 6 is fixedly connected with a connecting seat 19;

the two sides of the upper end of the base 1 are fixedly connected with fixed frames 11, the fixed frames 11 are slidably connected with a movable frame 14, the upper end of the fixed frame 11 is fixedly provided with a second motor 12, the lower end of the second motor 12 is fixedly connected with a threaded rod 13, the threaded rod 13 penetrates through the movable frame 14, the movable frame 14 is provided with a hopper 15, the lower end of the hopper 15 is inserted into the upper screw cylinder 3, the lower end of the hopper 15 is fixedly connected with a chassis 17, one side of the upper end of the upper screw cylinder 3 is fixedly connected with an extension rod 16, one end of the extension rod 16 is positioned above the movable frame 14, the upper end of the upper screw cylinder 3 is fixedly connected with clamping blocks 18 on two sides of the chassis 17, the chassis 17 is positioned between the clamping blocks 18, one side of the fixed frame 11 is slidably connected with a movable seat 20, the movable seat 20 is provided with a spring, the movable seat 20 is elastically connected with the fixed frame 11, the upper end of the movable seat 20 is connected with a fixed rod 22, and the fixed rod 22 is positioned below the movable frame 14, a connecting rod 21 is rotatably connected between the movable seat 20 and the connecting seat 19.

The working principle of the utility model is as follows:

this device is when using, use through external power supply and controller, when needs are dismantled, through two 12 of user starter motor, two 12 of motor drive threaded rod 13 rotate, threaded rod 13 rotates and makes removal frame 14 rise, remove frame 14 and extension rod 16 contact, chassis 17 and the contact of the inside upper end of fixture block 18, it rises under the effect of spring to remove seat 20 this moment, it moves behind connecting rod 21 drive connecting seat 19 to remove seat 20, connecting seat 19 drives clamping sleeve 7 and moves away from 4 tops of connecting plate, make and go up section of

thick bamboo

3 and 2 detachable of whereabouts section of thick bamboo, it continues to rise to remove frame 14, it drives section of thick bamboo 3 separation on section of thick bamboo 3 through extension rod 16 and fixture block 18 to remove frame 14, the convenience is maintained screw rod 10.

It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A bidirectional screw extruder for producing polypropylene plastic particles comprises a base (1) and is characterized in that the upper end of the base (1) is fixedly connected with a lower screw cylinder (2), an upper screw cylinder (3) is arranged above the lower screw cylinder (2), two sides of the upper screw cylinder (3) and two sides of the lower screw cylinder (2) are fixedly connected with connecting plates (4), the upper end of the base (1) is positioned at two sides of the lower screw cylinder (2) and is fixedly connected with sliding rails (5), the sliding rails (5) are connected with a moving platform (6) in a sliding manner, the upper end of the moving platform (6) is fixedly connected with a plurality of clamping sleeves (7), and one side of the upper end of the moving platform (6) is fixedly connected with a connecting seat (19);

base (1) upper end both sides fixedly connected with mount (11), sliding connection has removal frame (14) on mount (11), install hopper (15) on removal frame (14), hopper (15) lower extreme fixedly connected with chassis (17), go up screw cylinder (3) upper end one side fixedly connected with extension rod (16), extension rod (16) one end is located removal frame (14) top, it is located chassis (17) both sides fixedly connected with fixture block (18) to go up screw cylinder (3) upper end, chassis (17) are located between fixture block (18), mount (11) one side sliding connection has removal seat (20), it is connected with dead lever (22) to remove seat (20) upper end, dead lever (22) are located and remove frame (14) below, it is connected with connecting rod (21) to rotate between removal seat (20) and connecting seat (19).

2. The bi-directional screw extruder for producing polypropylene plastic granules according to claim 1, wherein the lower end of the hopper (15) is inserted into the upper barrel (3).

3. The bidirectional screw extruder for producing polypropylene plastic granules according to claim 1, wherein a second motor (12) is fixedly mounted at the upper end of the fixing frame (11), a threaded rod (13) is fixedly connected at the lower end of the second motor (12), and the threaded rod (13) passes through the moving frame (14).

4. The bidirectional screw extruder for producing polypropylene plastic particles as claimed in claim 1, wherein a driving component (8) is fixedly mounted at one side of the lower screw cylinder (2) at the upper end of the base (1), and a first motor (9) is mounted at one side of the driving component (8) at the upper end of the base (1).

5. A bi-directional screw extruder for producing polypropylene plastic pellets as claimed in claim 1, wherein the clamping sleeve (7) is located at one side of the connecting plate (4), and the inner space of the clamping sleeve (7) is less than twice the thickness of the connecting plate (4).

6. The bidirectional screw extruder for producing polypropylene plastic granules as claimed in claim 1, wherein the movable base (20) is provided with a spring, and the movable base (20) is elastically connected with the fixed frame (11).

7. The bidirectional screw extruder for producing polypropylene plastic granules according to claim 1, wherein a screw (10) is arranged between the lower screw barrel (2) and the upper screw barrel (3).