CN211993868U

CN211993868U - Plastic foaming extrusion device

Info

Publication number: CN211993868U
Application number: CN202020064450.8U
Authority: CN
Inventors: 陈士荣
Original assignee: Tianjin Zhongtian Plastic Products Co ltd
Current assignee: Tianjin Zhongtian Plastic Products Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-24
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a plastics foaming extrusion device, including device main part, extrusion die and high strength elasticity gasbag, the left end top of device main part is provided with the feed inlet, and the inside of device main part is provided with electric heating pipe, the spout has been seted up to the lower surface of device main part, the inboard bearing of device main part is connected with the propulsion screw rod, and just the inside camera apron of having seted up of right-hand member of device main part, the right-hand member inner wall of device main part has inlayed high strength elasticity gasbag, and the outside of high strength elasticity gasbag is connected with the air duct, the left end of extrusion die is provided with the stopper, and the inside of extrusion die runs through there is the fixed pin. This plastic foaming extrusion device can be convenient clear up the inside remaining plastic foam of device, avoids plastic foaming to block up the device, simultaneously can be effectively convenient carry out the dismouting to the extrusion die, the later stage of being convenient for is cleared up, is changed the extrusion die, and has improved the connection leakproofness between extrusion die and the device.

Description

Plastic foaming extrusion device

Technical Field

The utility model relates to a plastics foaming production technical field specifically is a plastics foaming extrusion device.

Background

In the plastic foaming production process, plastic needs to be melted and mixed with a foaming agent, the foaming agent reacts to generate a cellular structure in the molten plastic, and at this time, in order to foam and extrude the plastic, a plastic foaming extrusion device needs to be used, but the plastic foaming extrusion devices on the market still have some defects, such as:

1. after the plastic foaming extrusion device on the market finishes the plastic foaming extrusion, the residual part in the device is easy to foam, so that the plastic foaming is cooled and condensed in the device and is not convenient to clean, the normal use of the device is influenced, and certain use defects exist;

2. the shaping of plastic foam lies in the shape and the specification of extrusion die, but the most inconvenience of plastic foam extrusion device on the existing market carries out the dismouting to the extrusion die, leads to the inconvenient clearance and the change of extruding die in later stage, has reduced the practicality of device.

We have therefore proposed a plastics foaming extrusion apparatus which addresses the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic foaming extrusion device to solve the problem that plastic foaming extrusion device was inconvenient to inside remaining foaming and was cleared up and is inconvenient to carry out the dismouting to the extrusion die on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic foaming extrusion device comprises a device main body, an extrusion die and a high-strength elastic air bag, wherein a feed inlet is formed in the upper portion of the left end of the device main body, an electric heating pipe is uniformly embedded in the device main body in a spiral shape, a drain outlet is formed in the lower portion of the left end of the device main body, a sliding groove is fixedly connected to the lower surface of the device main body, a connecting ball is slidably connected to the inner portion of the sliding groove, an air cylinder is fixedly connected to the lower portion of the connecting ball, and a propelling screw rod is connected to the inner portion of the device main body in a rotating;

the outer side of the extrusion die is provided with a connecting pipe, the extrusion die is detachably mounted at the right end of the device main body through the connecting pipe, a high-strength elastic air bag is embedded in the inner wall of the right end of the device main body, which is matched with the connecting pipe, two hidden grooves are symmetrically formed in the outer side of the high-strength elastic air bag, air storage bags are arranged in the two hidden grooves, and the two air storage bags are communicated with the high-strength elastic air bag through air guide pipes;

the left end of the extrusion die is provided with a limiting block matched with the blind groove, a fixing pin penetrates through the inside of the extrusion die, a spring is connected between the fixing pin and the extrusion die, and a limiting hole matched with the fixing pin is further formed in the right end of the device main body.

Preferably, the piston end of the cylinder and the connecting ball are of an integrated structure.

Preferably, the extrusion die and the connecting pipe are welded into an integrated structure, and the connecting pipe is in clearance fit with the device main body.

Preferably, the high-strength elastic air bag is of a circular ring structure.

Preferably, the elastic force of the gas storage bag is smaller than that of the high-strength elastic gas bag.

Preferably, the fixing pin and the extrusion die form a telescopic structure, and the fixing pin and the extrusion die form an elastic structure through a spring.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic foaming extrusion device;

1. the electric heating pipe and the air cylinder are arranged, the plastic foam left and cooled in the device can be heated and melted through the electric heating pipe, the device main body is lifted by the control air cylinder, so that the residual foam in a molten state can be discharged out of the device through the sewage discharge outlet, the plastic foam left in the device can be conveniently cleaned through the structure, and the device is prevented from being blocked by the plastic foam;

2. be provided with the connecting pipe, high strength elasticity gasbag, the stopper, the hidden groove, fixed pin and spacing hole, go into the hidden groove through turning round the stopper card, thereby can be convenient install extruding die, stopper extrusion gas storage bag simultaneously, make the gas in the gas storage bag get into high strength elasticity gasbag, make high strength elasticity gasbag take place the inflation deformation and press from both sides tight connecting pipe, the fixed pin is popped into in spacing hole this moment, thereby it is spacing to carry out the secondary to extruding die, can be effectively convenient carry out the dismouting to extruding die through this structure, the later stage of being convenient for is cleared up extruding die, change, the leakproofness of being connected between extruding die and the device has been improved simultaneously.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a right side view of the device body of the present invention without the extrusion die;

FIG. 3 is a schematic view of the extrusion die of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a device main body; 101. a limiting hole; 2. a feed inlet; 3. an electric heating tube; 4. a sewage draining outlet; 5. a cylinder; 6. a connecting ball; 7. a chute; 8. a screw is advanced; 9. an extrusion die; 901. a connecting pipe; 10. a hidden groove; 11. a gas storage bag; 12. an air duct; 13. a high strength elastic bladder; 14. a limiting block; 15. a fixing pin; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 a technical solution: a plastic foaming extrusion device comprises a device main body 1, a feeding hole 2, an electric heating pipe 3, a sewage discharge port 4, a cylinder 5, a connecting ball 6, a chute 7, a propelling screw 8, an extrusion die 9, a blind groove 10, an air storage bag 11, an air guide pipe 12, a high-strength elastic air bag 13, a limiting block 14, a fixing pin 15 and a spring 16, wherein the feeding hole 2 is arranged above the left end of the device main body 1, the electric heating pipe 3 is uniformly embedded and spirally in the device main body 1, the sewage discharge port 4 is arranged below the left end of the device main body 1, the chute 7 is fixedly connected to the lower surface of the device main body 1, the connecting ball 6 is slidably connected to the inside of the chute 7, the cylinder 5 is fixedly connected to the lower side of the connecting ball 6, and the propelling screw 8 is connected to;

the outer side of the extrusion die 9 is provided with a connecting pipe 901, the extrusion die 9 is detachably mounted at the right end of the device main body 1 through the connecting pipe 901, the inner wall of the right end of the device main body 1, which is matched with the connecting pipe 901, is embedded with a high-strength elastic air bag 13, two blind grooves 10 are symmetrically formed in the outer side of the high-strength elastic air bag 13, air storage bags 11 are arranged in the two blind grooves 10, and the two air storage bags 11 are communicated with the high-strength elastic air bag 13 through air guide pipes 12;

a limiting block 14 matched with the blind groove 10 is arranged at the left end of the extrusion die 9, a fixing pin 15 penetrates through the extrusion die 9, a spring 16 is connected between the fixing pin 15 and the extrusion die 9, and a limiting hole 101 matched with the fixing pin 15 is formed in the right end of the device main body 1;

the right end surface of the device main body 1 is provided with a limiting hole 101, the limiting hole 101 is in concave-convex fit with the fixing pin 15, the fixing pin 15 is inserted into the limiting hole 101, the secondary fixing effect on the extrusion die 9 can be achieved, and the extrusion die 9 is prevented from loosening and falling off;

the electric heating pipes 3 are spirally and uniformly clamped and embedded in the device main body 1, the device main body 1 and the air cylinder 5 form a rotating structure, the air cylinder 5 and the connecting ball 6 are welded into an integrated structure, meanwhile, the connecting ball 6 and the chute 7 form a clamping sliding structure, then the air cylinder 5 is controlled to rise, meanwhile, the connecting ball 6 slides along the chute 7, at the moment, the device main body 1 rotates and inclines, so that the melted residual foaming can be discharged through the sewage discharge outlet 4, the cleaning of the inside of the device is completed, the residual cooled plastic foaming in the device can be heated and melted through the spiral electric heating pipes 3, then the air cylinder 5 is controlled to rise, so that the residual plastic foaming in the device can be discharged from the sewage discharge outlet 4, and the purpose of cleaning the device is achieved;

the connecting pipe 901 is arranged on the outer side of the extrusion die 9, the extrusion die 9 and the connecting pipe 901 are welded into an integrated structure, the connecting pipe 901 is in clearance fit with the device main body 1, and the connecting pipe 901 is inserted into the device main body 1 in an aligned mode, so that the connection stability and the sealing performance between the device main body 1 and the extrusion die 9 can be effectively improved;

the elasticity of the gas storage bag 11 is smaller than that of the high-strength elastic gas bag 13, the high-strength elastic gas bag 13 is of a circular structure, the high-strength elastic gas bag 13 is communicated with the gas storage bag 11 through the gas guide tube 12, and the gas in the gas storage bag 11 can enter the high-strength elastic gas bag 13 by extruding the gas storage bag 11, so that the high-strength elastic gas bag 13 is elastically deformed, the splicing seam between the extrusion die 9 and the device main body 1 can be sealed, and plastic foaming overflow is avoided;

the fixing pin 15 and the extrusion die 9 form a telescopic structure, the fixing pin 15 and the extrusion die 9 form an elastic structure through the spring 16, the fixing pin 15 can be automatically clamped into the limiting hole 101 through the elastic action of the spring 16, and the extrusion die 9 is prevented from rotating and falling.

The working principle is as follows: when the plastic foaming extrusion device is used, firstly, as shown in fig. 1, plastic foam in a molten state is injected into the device body 1 through the feed port 2, the plastic foam can be pushed to the extrusion die 9 through the rotation operation of the pushing screw 8 and is extruded and molded, after the extrusion work is finished, the plastic foam remained and solidified in the device is heated and melted through the electric heating pipe 3, then the cylinder 5 is controlled to be lifted, the connecting ball 6 slides along the chute 7, at the moment, the device body 1 rotates and inclines, so that the melted residual foam can be discharged through the drain port 4, the cleaning of the inside of the device is finished, and meanwhile, the right end of the device body 1 is made of a heat insulating material, so that the gas storage bag 11 and the high-strength elastic gas bag 13 are prevented from being damaged in the heating process;

as shown in fig. 1-4, through carrying out clearance fit with connecting pipe 901 and device main part 1, insert spacing block 14 in the blind groove 10 and rotate simultaneously, accomplish the installation of extrusion die 9 this moment, spacing block 14 can extrude gas storage bag 11 in the rotatory in-process, make the gas in the gas storage bag 11 pass through air duct 12 and get into high strength elasticity gasbag 13, make high strength elasticity gasbag 13 deformation inflation and press from both sides tight connecting pipe 901, thereby the installation leakproofness of extrusion die 9 has been improved, fixed pin 15 blocks in spacing hole 101 under spring 16's spring action simultaneously, carry out the secondary to extrusion die 9 and fix, pulling fixed pin 15, and rotatory extrusion die 9, then can accomplish the quick dismantlement of extrusion die 9, be convenient for the later stage to clear up the change extrusion die 9, thereby accomplish a series of work.

Those not described in detail in this specification are within the skill of the art.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A plastic foaming extrusion device comprises a device main body (1), an extrusion die (9) and a high-strength elastic air bag (13), and is characterized in that: a feeding hole (2) is formed in the upper portion of the left end of the device main body (1), an electric heating pipe (3) is uniformly embedded in the device main body (1) in a spiral shape in a clamping mode, a sewage discharge outlet (4) is formed in the lower portion of the left end of the device main body (1), a sliding groove (7) is fixedly connected to the lower surface of the device main body (1), a connecting ball (6) is slidably connected to the inner portion of the sliding groove (7), an air cylinder (5) is fixedly connected to the lower portion of the connecting ball (6), and a propelling screw (8) is connected to the device main body (1) in a rotating mode;

a connecting pipe (901) is arranged on the outer side of the extrusion die (9), the extrusion die (9) is detachably mounted at the right end of the device main body (1) through the connecting pipe (901), a high-strength elastic air bag (13) is embedded in the inner wall of the right end of the device main body (1) matched with the connecting pipe (901), two blind grooves (10) are symmetrically formed in the outer side of the high-strength elastic air bag (13), air storage bags (11) are arranged in the two blind grooves (10), and the two air storage bags (11) are communicated with the high-strength elastic air bag (13) through air guide pipes (12);

the left end of extruding die (9) be provided with hidden slot (10) matched with stopper (14), just the inside of extruding die (9) has still run through fixed pin (15), be connected with spring (16) between fixed pin (15) and the extruding die (9), the right-hand member of device main part (1) still seted up with fixed pin (15) matched with spacing hole (101).

2. A plastic foaming extrusion device according to claim 1, wherein: the piston end of the cylinder (5) and the connecting ball (6) are of an integrated structure.

3. A plastic foaming extrusion device according to claim 1, wherein: the extrusion die (9) and the connecting pipe (901) are welded into an integrated structure, and the connecting pipe (901) is in clearance fit with the device main body (1).

4. A plastic foaming extrusion device according to claim 1, wherein: the high-strength elastic air bag (13) is of a circular ring-shaped structure.

5. A plastic foaming extrusion device according to claim 1, wherein: the elasticity of the air storage bag (11) is smaller than that of the high-strength elastic air bag (13).

6. A plastic foaming extrusion device according to claim 1, wherein: the fixing pin (15) and the extrusion die (9) form a telescopic structure, and the fixing pin (15) and the extrusion die (9) form an elastic structure through a spring (16).