CN219954260U

CN219954260U - Feeding valve based on thermoplastic processing

Info

Publication number: CN219954260U
Application number: CN202320517132.6U
Authority: CN
Inventors: 徐艳喜; 杨君
Original assignee: Huizhou Shengxing Technology Co ltd
Current assignee: Huizhou Shengxing Technology Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-11-03
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a feeding valve based on thermoplastic processing, which comprises a shell, an upper valve body, a lower valve body and a connecting disc, wherein the upper valve body and the lower valve body are sequentially arranged in the shell from top to bottom, and the connecting disc is fixed at the top end of the upper valve body and the bottom end of the lower valve body; further comprises: the valve plate, it sets up between upper valve body and the lower valve body, the inside of valve plate runs through there is the connecting rod, and the right-hand member and the bull stick of connecting rod are connected to the outer wall of bull stick is provided with the stopper. This feed valve based on thermoplastic processing, the inboard of connection pad is provided with the sealing washer, and the draw-in groove has been seted up to the outer wall of sealing washer to be the block between draw-in groove and the butt joint piece and connect, simultaneously the butt joint piece is at the inner wall equiangular distribution of connection pad, can make the interface department leakproofness of connection pad better like this, effectively prevent that this feed valve from appearing that the interface department is not hard up to lead to leaking the phenomenon in long-time use, further guaranteed the normal circulation of material.

Description

Feeding valve based on thermoplastic processing

Technical Field

The utility model relates to the technical field of feed valves, in particular to a feed valve based on thermoplastic processing.

Background

The feeding valve is a valve used for feeding materials, and mainly can control the amount of the materials, and is found in many processing industries, such as thermoplastic processing, which is required to manufacture plastic products, and the melted raw materials can be controlled through the feeding valve.

The vacuum feeding valve comprises a valve body, wherein the left end of the valve body is connected with a connecting pipe, the right end of the valve body is connected with a cylinder, the lower end of the valve body is connected with a feeding pipe, a piston rod of the cylinder extends leftwards into the valve body, the left end of the piston rod is provided with a disc-shaped valve core, the left end of the valve core is provided with a semicircular elastic gasket, the valve core is also provided with an oblique inner flange used for blocking the gasket, two ends of the valve core are positioned on the piston rod and provided with nuts through threads, the device is a sealing device, so that dust environmental pollution can be avoided, the working environment is improved, the pollution of the environment and personnel to materials is reduced, the cleanliness is improved, meanwhile, the labor intensity of workers is reduced, and the working efficiency is improved;

however, the feeding valve in the above application still has some shortages in the use, for example is inconvenient to add lubricating oil to the feeding valve by oneself, and the long-time use of feeding valve can appear rusty phenomenon, and frictional force is big when leading to rotating, still can appear abnormal sound, has influenced the normal use of feeding valve, and when feeding valve and external pipeline butt joint, is inconvenient to seal again in the interface department, and the interface department is not hard up can appear along with the increase of live time, influences the leakproofness to reduce the result of use to the feeding valve, so we propose a feeding valve based on thermoplastic processing, in order to solve the problem that above-mentioned in.

Disclosure of Invention

The utility model aims to provide a feeding valve based on thermoplastic processing, which solves the problems that the feeding valve in the prior market provided by the background technology is inconvenient to automatically add lubricating oil to the feeding valve, rusting phenomenon can occur when the feeding valve is used for a long time, abnormal noise can occur when the feeding valve rotates, normal use of the feeding valve is influenced, the feeding valve is inconvenient to reseal at an interface when being butted with an external pipeline, the interface is loosened along with the increase of the use time, and the sealing performance is influenced, so that the use effect of the feeding valve is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the feeding valve based on thermoplastic processing comprises a shell, an upper valve body, a lower valve body and a connecting disc, wherein the upper valve body and the lower valve body are sequentially arranged in the shell from top to bottom, and the connecting disc is fixed at the top end of the upper valve body and the bottom end of the lower valve body;

further comprises:

the valve plate is arranged between the upper valve body and the lower valve body, a connecting rod penetrates through the valve plate, the right end of the connecting rod is connected with the rotating rod, a limiting block is arranged on the outer wall of the rotating rod, the limiting block is connected with the shell through a limiting groove, and the limiting groove is formed in the shell;

one end of the connecting pipe is connected with the limiting groove, the other end of the connecting pipe is connected with the rubber bag body, and a protection box is arranged on the outer side of the rubber bag body;

the first magnet is arranged on the outer wall of the rotating rod, the second magnet is arranged in the protective box and is arranged at the bottom end of the supporting rod, the top end of the supporting rod is connected with the first piston, an elastic spring is arranged between the supporting rod and the first piston, the first piston is arranged in the sealed box, the second piston is further arranged in the sealed box, the ejector rod is fixed on the left side surface of the second piston, and the left end of the ejector rod is provided with a pressing block;

and the sealing ring is arranged on the inner side of the connecting disc.

Preferably, the valve plate and the rotating rod are in welded connection with the connecting rod, the rotating rod and the limiting block are in an integrated structure, and the limiting block forms a rotating structure through the limiting groove and the shell, so that the connecting rod can be driven to rotate together when the rotating rod is rotated, and the valve plate is driven to rotate through the connecting rod.

Preferably, the top of the rubber bag body is connected with a liquid inlet pipe, a one-way valve is arranged on the liquid inlet pipe, and the rubber bag body and the connecting pipe are mutually communicated, so that lubricating oil can be effectively prevented from flowing out of the liquid inlet pipe when the rubber bag body is extruded, and normal circulation of the lubricating oil is ensured.

Preferably, the first magnet and the rotating rod are welded in a connecting mode, the first magnet and the second magnet are arranged in the same-name magnetic pole direction, the second magnet and the supporting rod are welded, so that mutual repulsion force is generated when the first magnet and the second magnet correspond to each other, and the effect of self-adding of lubricating oil can be achieved.

Preferably, the outer wall of bracing piece is fixed with the limiting plate, and is sliding connection between limiting plate and the inner wall of protection box, like this under the effect of limiting plate, can carry out spacingly to the removal of bracing piece, more steady when making the bracing piece remove.

Preferably, the draw-in groove has been seted up to the surface of sealing washer, and the draw-in groove is connected with the connection pad through the butt joint piece to the inner wall at the connection pad is fixed to the butt joint piece, is convenient for carry out dismouting operation to the sealing washer, and under the effect of sealing washer, can make the interface department leakproofness of connection pad better moreover, further guarantees the normal circulation of material.

Preferably, the supporting rod is in adhesive connection with the first piston, the first piston forms a telescopic structure in the sealing box through an elastic spring, the first piston can stretch and retract in the sealing box, and the rubber bag body is extruded better.

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

(1) According to the feeding valve based on thermoplastic processing, the first magnet is fixed on the outer wall of the rotating rod, the same-name magnetic poles are arranged in opposite directions between the first magnet and the second magnet, the second magnet is fixed at the bottom end of the supporting rod, meanwhile, the top end of the supporting rod is connected with the first piston, and the first piston is arranged in the sealing box, so that when the rotating rod rotates for a certain angle, the first magnet and the second magnet can correspondingly generate repulsive force, the supporting rod is pushed to drive the first piston to rise together, air in the sealing performance is extruded, the second piston is pushed to drive the ejector rod and the pressing block to move together, the pressing block is used for extruding a rubber bag body filled with lubricating oil, the lubricating oil flows out through the connecting pipe, and the limiting block and the rotating rod are lubricated, so that phenomena of rust and abnormal sound can be effectively reduced, and normal use of the feeding valve is guaranteed;

(2) This feed valve based on thermoplastic processing, the inboard of connection pad is provided with the sealing washer, and the draw-in groove has been seted up to the outer wall of sealing washer to be the block between draw-in groove and the butt joint piece and connect, simultaneously the butt joint piece is at the inner wall equiangular distribution of connection pad, can make the interface department leakproofness of connection pad better like this, effectively prevent that this feed valve from appearing that the interface department is not hard up to lead to leaking the phenomenon in long-time use, further guaranteed the normal circulation of material.

Drawings

FIG. 1 is a schematic diagram of a top view of the connection of a rotating rod and a limiting block;

FIG. 2 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 a according to the present utility model;

FIG. 4 is a schematic top view of the seal ring of the present utility model;

FIG. 5 is a schematic view of a limiting plate in a top-down view;

FIG. 6 is a schematic diagram of the front view of the rubber capsule of the present utility model.

In the figure: 1. a housing; 2. an upper valve body; 3. a lower valve body; 4. a connecting disc; 5. a valve plate; 6. a connecting rod; 7. a rotating rod; 8. a limiting block; 9. a limit groove; 10. a connecting pipe; 11. rubber capsule; 1101. a liquid inlet pipe; 1102. a one-way valve; 12. a protective case; 13. a first magnet; 14. a second magnet; 15. a support rod; 16. a limiting plate; 17. a first piston; 18. an elastic spring; 19. a seal box; 20. a second piston; 21. a push rod; 22. briquetting; 23. a seal ring; 24. a clamping groove; 25. and (5) butt joint blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: a feeding valve based on thermoplastic processing comprises a shell 1, an upper valve body 2, a lower valve body 3 and a connecting disc 4, wherein the upper valve body 2 and the lower valve body 3 are sequentially arranged in the shell 1 from top to bottom, and the connecting disc 4 is fixed at the top end of the upper valve body 2 and the bottom end of the lower valve body 3;

further comprises:

the valve plate 5 is arranged between the upper valve body 2 and the lower valve body 3, the connecting rod 6 penetrates through the valve plate 5, the right end of the connecting rod 6 is connected with the rotating rod 7, the limiting block 8 is arranged on the outer wall of the rotating rod 7 and is connected with the shell 1 through the limiting groove 9, the limiting groove 9 is formed in the shell 1, the valve plate 5 and the rotating rod 7 are welded with the connecting rod 6, the rotating rod 7 and the limiting block 8 are of an integrated structure, the limiting block 8 forms a rotating structure with the shell 1 through the limiting groove 9, the sealing ring 23 is arranged on the inner side of the connecting disc 4, the clamping groove 24 is formed on the outer surface of the sealing ring 23, the clamping groove 24 is connected with the connecting disc 4 through the butt joint block 25, and the butt joint block 25 is fixed on the inner wall of the connecting disc 4;

firstly, the feeding valve is placed at a corresponding position, the top end of the upper valve body 2 and the bottom end of the lower valve body 3 are both provided with a connecting disc 4, so that an external pipeline can be abutted, and the inner side of the connecting disc 4 is provided with a sealing ring 23, so that the sealing property is better when the external pipeline is abutted under the action of the sealing ring 23, the leakage phenomenon is effectively prevented, a valve plate 5 is arranged between the upper valve body 2 and the lower valve body 3, the inside of the valve plate 5 is penetrated with a connecting rod 6, the right end of the connecting rod 6 is connected with a rotating rod 7, the connecting rod 6 can be driven to rotate through rotating the rotating rod 7, the valve plate 5 is driven to rotate through the connecting rod 6, and the raw material flow can be regulated through the regulation of the angle of the valve plate 5;

one end of the connecting pipe 10 is connected with the limit groove 9, the other end of the connecting pipe 10 is connected with the rubber bag body 11, the outer side of the rubber bag body 11 is provided with the protection box 12, the top end of the rubber bag body 11 is connected with the liquid inlet pipe 1101, the liquid inlet pipe 1101 is provided with the one-way valve 1102, and the rubber bag body 11 and the connecting pipe 10 are mutually communicated;

the first magnet 13 is arranged on the outer wall of the rotating rod 7, the second magnet 14 is arranged in the protective box 12, the second magnet 14 is arranged at the bottom end of the supporting rod 15, the top end of the supporting rod 15 is connected with the first piston 17, an elastic spring 18 is arranged between the supporting rod 15 and the first piston 17, the first piston 17 is arranged in the sealed box 19, the second piston 20 is also arranged in the sealed box 19, the ejector rod 21 is fixed on the left side surface of the second piston 20, the pressing block 22 is arranged at the left end of the ejector rod 21, the first magnet 13 and the rotating rod 7 are welded, the first magnet 13 and the second magnet 14 are oppositely arranged with the same-name magnetic poles, the second magnet 14 and the supporting rod 15 are welded, the outer wall of the supporting rod 15 is fixed with the limiting plate 16, the limiting plate 16 is in sliding connection with the inner wall of the protective box 12, the supporting rod 15 and the first piston 17 are in adhesive connection, and the first piston 17 form a telescopic structure in the sealed box 19 through the elastic spring 18;

the limiting block 8 is fixed on the outer wall of the rotating rod 7, the limiting block 8 forms a rotating structure through the limiting groove 9 and the shell 1, so that the rotating rod 7 can be more stable in rotation, the first magnet 13 is further arranged on the outer wall of the rotating rod 7, the same-name magnetic poles are oppositely arranged between the first magnet 13 and the second magnet 14, so that when the first magnet 13 and the second magnet 14 correspond to each other, repulsive force is generated, the second magnet 14 and the supporting rod 15 are pushed to rise, the supporting rod 15 drives the first piston 17 to rise together, the elastic spring 18 is stretched, the air in the sealing box 19 is extruded along with the pushing of the first piston 17, the second piston 20 is pushed to move left, the ejector rod 21 and the pressing block 22 are driven to move left together under the action of the second piston 20, so that the pressing block 22 extrudes the rubber bag body 11, the connecting pipe 10 is arranged at the top end of the rubber bag body 11, one end of the connecting pipe 10 far away from the rubber bag body 11 is communicated with the limit groove 9, lubricating oil is stored in the rubber bag body 11, when the rubber bag body 11 is extruded, the lubricating oil enters the connecting pipe 10 and then enters the limit groove 9, and the lubricating oil flows onto the limit block 8 and the rotating rod 7 along the limit groove 9 for lubrication operation, so that friction force during rotation can be effectively reduced, a rust phenomenon can be prevented from occurring during long-time use, a one-way valve 1102 is arranged on a liquid inlet pipe 1101 at the top end of the rubber bag body 11, the phenomenon that the lubricating oil flows out from the liquid inlet pipe 1101 can be prevented, the purpose of adding the lubricating oil can be realized through a first magnet 13 and a second magnet 14, and the whole device is convenient to operate, what is not described in detail in this specification is all that is known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a feed valve based on thermoplastic processing, includes casing (1), goes up valve body (2), lower valve body (3) and connection pad (4), the inside of casing (1) has set gradually from top to bottom and has gone up valve body (2) and lower valve body (3), and the top of going up valve body (2) and the bottom of lower valve body (3) all are fixed with connection pad (4);

characterized by further comprising:

the valve plate (5) is arranged between the upper valve body (2) and the lower valve body (3), a connecting rod (6) penetrates through the valve plate (5), the right end of the connecting rod (6) is connected with the rotating rod (7), a limiting block (8) is arranged on the outer wall of the rotating rod (7), the limiting block (8) is connected with the shell (1) through a limiting groove (9), and the limiting groove (9) is formed in the shell (1);

one end of the connecting pipe (10) is connected with the limit groove (9), the other end of the connecting pipe (10) is connected with the rubber bag body (11), and a protection box (12) is arranged on the outer side of the rubber bag body (11);

the first magnet (13) is arranged on the outer wall of the rotating rod (7), the second magnet (14) is arranged in the protective box (12), the second magnet (14) is arranged at the bottom end of the supporting rod (15), the top end of the supporting rod (15) is connected with the first piston (17), an elastic spring (18) is arranged between the supporting rod (15) and the first piston (17), the first piston (17) is arranged in the sealed box (19), the second piston (20) is further arranged in the sealed box (19), the ejector rod (21) is fixed on the left side surface of the second piston (20), and the pressing block (22) is arranged at the left end of the ejector rod (21);

and a seal ring (23) provided on the inner side of the connection disk (4).

2. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the valve plate (5) and the rotating rod (7) are in welded connection with the connecting rod (6), the rotating rod (7) and the limiting block (8) are of an integrated structure, and the limiting block (8) forms a rotating structure through the limiting groove (9) and the shell (1).

3. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the top end of the rubber bag body (11) is connected with a liquid inlet pipe (1101), a one-way valve (1102) is arranged on the liquid inlet pipe (1101), and the rubber bag body (11) and the connecting pipe (10) are mutually communicated.

4. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the first magnet (13) and the rotating rod (7) are connected in a welding mode, the same-name magnetic poles of the first magnet (13) and the second magnet (14) are arranged in opposite directions, and the second magnet (14) and the supporting rod (15) are connected in a welding mode.

5. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the outer wall of the supporting rod (15) is fixed with a limiting plate (16), and the limiting plate (16) is in sliding connection with the inner wall of the protection box (12).

6. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the clamping groove (24) is formed in the outer surface of the sealing ring (23), the clamping groove (24) is connected with the connecting disc (4) through the butt joint block (25), and the butt joint block (25) is fixed on the inner wall of the connecting disc (4).

7. A thermoplastic processing based feed valve as set forth in claim 1, wherein: the supporting rod (15) is in adhesive connection with the first piston (17), and the first piston (17) forms a telescopic structure in the sealing box (19) through an elastic spring (18).