CN216782590U

CN216782590U - Extruder of BOPP membrane production

Info

Publication number: CN216782590U
Application number: CN202123148255.7U
Authority: CN
Inventors: 唐海波; 封月良; 郭海强; 沈杰; 汪桂林
Original assignee: Haining Changkun Packaging Co ltd
Current assignee: Haining Changkun Packaging Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses an extruder for producing a BOPP film, which comprises an extruder body, wherein a first feed inlet is formed in one side of the top of the extruder body, a stirring box is installed in the first feed inlet, a clamping groove is formed in the inner wall of the rear side of the stirring box, a clamping plate is clamped in the clamping groove, a cover plate is fixedly connected to the front side of the clamping plate, first connecting blocks are fixedly connected to two sides of the cover plate, first screw holes are formed in the first connecting blocks, second connecting blocks are fixedly connected to two sides of the stirring box, second screw holes are formed in the second connecting blocks, and the first connecting blocks and the second connecting blocks are fixedly connected through bolt and nut assemblies. According to the utility model, the hydraulic cylinder is started, the hydraulic cylinder works to drive the mounting plate to move upwards, and the mounting plate drives the driving motor, the driving shaft, the stirring shaft and the stirring rod to synchronously move upwards, so that the stirring rod can stir the raw materials up and down, and the raw materials can be stirred and mixed more uniformly.

Description

Extruder of BOPP membrane production

Technical Field

The utility model relates to the technical field of BOPP film production, in particular to an extruder for producing a BOPP film.

Background

BOPP is short for Biaxially ordered Polypropylene, namely a biaxial Oriented Polypropylene film. It is produced by making a sheet or a thick film from a melt of high molecular polypropylene through a long and narrow head, then stretching in two perpendicular directions (longitudinal and transverse directions) simultaneously or stepwise in a special stretching machine at a certain temperature and a set speed, and subjecting the resulting film to appropriate cooling or heat treatment or special processing (such as corona, coating, etc.).

When the production BOPP membrane, need use the extruder to BOPP membrane extrusion moulding, agitating unit on the current extruder only can rotate the stirring to the material, does not have the function of stirring from top to bottom, causes the mixedness of material inhomogeneous to make BOPP membrane shaping quality not good, and current agitator tank is difficult for opening, causes the inside clearance of agitator tank and the change of (mixing) shaft and puddler comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extruder for producing BOPP films, which solves the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an extruder for producing a BOPP film comprises an extruder body, wherein a first feed inlet is formed in one side of the top of the extruder body, a stirring box is installed in the first feed inlet, a clamping groove is formed in the inner wall of the rear side of the stirring box, a clamping plate is clamped in the clamping groove, a cover plate is fixedly connected to the front side of the clamping plate, first connecting blocks are fixedly connected to two sides of the cover plate, first screw holes are formed in the first connecting blocks, second connecting blocks are fixedly connected to two sides of the stirring box, second screw holes are formed in the second connecting blocks, the first connecting blocks and the second connecting blocks are fixedly connected through bolt and nut assemblies, a driving motor is fixedly installed at the top of the stirring box, a driving shaft is fixedly connected to the output end of the driving motor, a stirring shaft is fixedly connected to the bottom of the driving shaft through a shaft coupler, and a plurality of stirring rods are fixedly connected to two sides of the stirring shaft, the top fixedly connected with mounting panel of driving motor, the top fixed mounting of mounting panel has the pneumatic cylinder.

Furthermore, an L-shaped fixing plate is fixedly mounted on one side of the top of the stirring box, and the hydraulic cylinder is fixedly mounted at the bottom of the L-shaped fixing plate.

Furthermore, a second feed inlet has been seted up to one side of agitator tank, install the inlet pipe in the second feed inlet, the other end fixedly connected with feed hopper of inlet pipe.

Further, the bottom of agitator tank is hopper-shaped.

Further, the preformed groove has all been seted up to the top and the lateral part of cardboard, drive shaft and inlet pipe all are located the preformed groove inboard.

Furthermore, a positioning hole is formed in the front side of the stirring box, a positioning block is fixedly connected to the rear side of the cover plate, and the positioning block is clamped in the positioning hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the hydraulic cylinder is started, the hydraulic cylinder works to drive the mounting plate to move upwards, and the mounting plate drives the driving motor, the driving shaft, the stirring shaft and the stirring rod to synchronously move upwards, so that the stirring rod can stir the raw materials up and down, and the raw materials can be stirred and mixed more uniformly.

2. According to the utility model, after stirring is completed, the bolt and nut assembly is loosened, the clamping plate is moved out of the stirring box, then the interior of the stirring box can be cleaned, after the cleaning is completed, the inner side of the clamping plate is inserted into the clamping groove in the inner side of the stirring box, when the cover plate is attached to the outer surface of the stirring box, the first screw hole and the second screw hole are just aligned, and then the cover plate is locked by using the bolt and nut assembly, so that the installation is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of an extruder for producing BOPP films according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a stirring box, a clamping plate and a cover plate of an extruder for producing a BOPP film according to the present invention;

FIG. 3 is a schematic structural diagram of an elevation view of a stirring box, a clamping plate and a cover plate of an extruder for producing a BOPP film according to the present invention;

FIG. 4 is a schematic side view of the stirring box, clamping plate and cover plate of the extruder for producing the BOPP film according to the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of a clamping plate and a cover plate of an extruder for producing a BOPP film according to the present invention;

FIG. 6 is a schematic structural diagram of an orthographic view of a clamping plate and a cover plate of an extruder for producing a BOPP film, which is provided by the utility model;

FIG. 7 is a schematic view of the internal structure of a stirring tank of an extruder for producing a BOPP film.

In the figure: 1 extruder body, 2 agitator tanks, 3 draw-in grooves, 4 cardboard, 5 apron, 6 first connecting blocks, 7 first screw, 8 second connecting blocks, 9 second screw, 10 bolt and nut subassemblies, 11 driving motor, 12 drive shafts, 13 shaft couplings, 14 (mixing) shafts, 15 puddlers, 16 mounting panels, 17 pneumatic cylinders, 18L shape fixed plate, 19 second feed inlets, 20 inlet pipes, 21 feed hopper, 22 preformed grooves, 23 locating holes, 24 locating pieces.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, an extruder for producing a BOPP film comprises an extruder body 1, a first feed inlet is formed in one side of the top of the extruder body 1, a stirring tank 2 is installed in the first feed inlet, a clamping groove 3 is formed in the inner wall of the rear side of the stirring tank 2, a clamping plate 4 is clamped in the clamping groove 3, a cover plate 5 is fixedly connected to the front side of the clamping plate 4, first connecting blocks 6 are fixedly connected to both sides of the cover plate 5, first screw holes 7 are formed in the first connecting blocks 6, second connecting blocks 8 are fixedly connected to both sides of the stirring tank 2, second screw holes 9 are formed in the second connecting blocks 8, the first connecting blocks 6 and the second connecting blocks 8 are fixedly connected through bolt and nut assemblies 10, a driving motor 11 is fixedly installed on the top of the stirring tank 2, a driving shaft 12 is fixedly connected to the output end of the driving motor 11, a stirring shaft 14 is fixedly connected to the bottom of the driving shaft 12 through a coupling 13, the stirring shaft 14 is fixedly connected with a plurality of stirring rods 15 on two sides, the driving motor 11 is fixedly connected with a mounting plate 16 on the top, and the mounting plate 16 is fixedly mounted with a hydraulic cylinder 17 on the top.

Specifically, an L-shaped fixing plate 18 is fixedly mounted on one side of the top of the stirring tank 2, and the hydraulic cylinder 17 is fixedly mounted at the bottom of the L-shaped fixing plate 18.

In the above embodiment, the hydraulic cylinder 17 is mounted and fixed by the L-shaped fixing plate 18.

Specifically, a second feeding hole 19 is formed in one side of the stirring box 2, a feeding pipe 20 is installed in the second feeding hole 19, and the other end of the feeding pipe 20 is fixedly connected with a feeding funnel 21.

In the above embodiment, the raw material is introduced into the stirring tank 2 through the feed pipe 20 and the second feed port 19 by feeding the raw material into the feed hopper 21.

Specifically, the bottom of the stirring tank 2 is funnel-shaped.

In the above embodiment, the bottom of the stirring box 2 is funnel-shaped, so that the raw materials after stirring can enter the extruder body 1 more conveniently.

Specifically, the top and the side of the clamping plate 4 are both provided with a preformed groove 22, and the driving shaft 12 and the feeding pipe 20 are both positioned inside the preformed groove 22.

In the above embodiment, the penetration of the driving shaft 12 and the feed pipe 20 from the inside of the preliminary groove 22 is facilitated by the opened preliminary groove 22.

Specifically, the front side of agitator tank 2 is opened and is equipped with locating hole 23, and the rear side fixedly connected with locating piece 24 of apron 5, locating piece 24 joint are in locating hole 23.

In the above embodiment, the positioning hole 23 and the positioning block 24 are mutually matched, so that the position of the cover plate 5 can be further limited.

The working principle is as follows: when the BOPP film stirring device is used, raw materials for producing BOPP films are added into a feeding pipe 20 from a feeding hopper 21, then the raw materials enter into a stirring box 2 through the feeding pipe 20, a driving motor 11 is started, the driving motor 11 works to drive a driving shaft 12 and a stirring shaft 14 to rotate at a high speed, a plurality of stirring rods 15 on two sides of the stirring shaft 14 also synchronously rotate to stir the raw materials, after the raw materials are stirred for a period of time, a hydraulic cylinder 17 is started, the hydraulic cylinder 17 works to drive a mounting plate 16 to move upwards, the mounting plate 16 drives the driving motor 11, the driving shaft 12, the stirring shaft 14 and the stirring rods 15 to synchronously move upwards, so that the stirring rods 15 can stir the raw materials up and down, after the stirring is completed, a bolt and nut assembly 10 is loosened, a clamping plate 4 is moved out from the inside of the stirring box 2, then the inside of the stirring box 2 can be cleaned, after the cleaning is completed, the inside of the clamping plate 4 is inserted into a clamping groove 3 on the inside of the stirring box 2, when apron 5 laminating is at agitator tank 2 surface, first screw 7 and second screw 9 just align, then use bolt and nut subassembly 10 with apron 5 locking can, simple to operate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An extruder for producing a BOPP film comprises an extruder body (1) and is characterized in that a first feed inlet is formed in one side of the top of the extruder body (1), a stirring box (2) is installed in the first feed inlet, a clamping groove (3) is formed in the inner wall of the rear side of the stirring box (2), a clamping plate (4) is connected in the clamping groove (3) in a clamping manner, a cover plate (5) is fixedly connected to the front side of the clamping plate (4), first connecting blocks (6) are fixedly connected to the two sides of the cover plate (5), first screw holes (7) are formed in the first connecting blocks (6), second connecting blocks (8) are fixedly connected to the two sides of the stirring box (2), second screw holes (9) are formed in the second connecting blocks (8), and the first connecting blocks (6) and the second connecting blocks (8) are fastened and connected through bolt and nut assemblies (10), the top fixed mounting of agitator tank (2) has driving motor (11), fixedly connected with drive shaft (12) on the output of driving motor (11), shaft coupling (13) fixedly connected with (mixing) shaft (14) are passed through to the bottom of drive shaft (12), a plurality of puddlers of both sides fixedly connected with (mixing) shaft (14) (15), the top fixedly connected with mounting panel (16) of driving motor (11), the top fixed mounting of mounting panel (16) has pneumatic cylinder (17).

2. The extruder for producing the BOPP film as claimed in claim 1, wherein an L-shaped fixing plate (18) is fixedly arranged on one side of the top of the stirring tank (2), and the hydraulic cylinder (17) is fixedly arranged at the bottom of the L-shaped fixing plate (18).

3. The extruder of BOPP membrane production of claim 1, wherein a second feed inlet (19) is opened at one side of the stirring box (2), a feed pipe (20) is installed in the second feed inlet (19), and a feed hopper (21) is fixedly connected to the other end of the feed pipe (20).

4. Extruder for the production of BOPP films according to claim 1, wherein the bottom of the stirring box (2) is funnel-shaped.

5. Extruder for BOPP film production according to claim 1, wherein the clamping plate (4) is provided with a pre-groove (22) at the top and at the side, and the driving shaft (12) and the feeding pipe (20) are located inside the pre-groove (22).

6. The extruder for producing the BOPP film as claimed in claim 1, wherein a positioning hole (23) is formed in the front side of the stirring box (2), a positioning block (24) is fixedly connected to the rear side of the cover plate (5), and the positioning block (24) is clamped in the positioning hole (23).