Plastic extrusion device for producing steel wire hydraulic rubber pipe

Abstract

The utility model relates to the technical field of plastic extrusion, and discloses a plastic extrusion device for producing a steel wire hydraulic rubber tube, which comprises an equipment shell, an extrusion head fixedly connected to the left end of the equipment shell, a feeding cylinder fixedly connected to the top of the equipment shell and a conveying roller arranged in an inner cavity of the equipment shell, an annular plate fixedly installed on the right wall face of the inner cavity of the equipment shell sleeves the outer side of the right end of the conveying roller, an annular cavity is formed in the annular plate, and a plurality of air outlet pipes communicating with the interior of the annular cavity are evenly distributed and fixedly sleeved with the edge position of the left wall face of the annular plate; a protection mechanism is arranged in the annular cavity and comprises a movable sliding ring which is slidably connected to the interior of the annular cavity and can be adjusted left and right and a plurality of blocking columns fixedly connected with the left wall face of the movable sliding ring. And by arranging the protection mechanism, the protection effect of the equipment on the multiple air outlet pipes is achieved, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic extrusion, in particular to a plastic extrusion device for producing steel wire hydraulic hoses. Background Technique

[0002] After retrieval, the application number 202020841450.4 discloses a plastic extrusion device for producing steel wire hydraulic hoses, including a housing. The left end of the housing is fixedly connected with an extrusion head. A heating plate is arranged inside the housing. The bottom of the housing is fixedly connected with a drive box. The inner wall of the drive box is fixedly connected with a motor. The top of the output shaft of the motor is fixedly connected with a driving wheel. The outer wall of the driving wheel is movably connected with a belt. The inner wall of the belt is movably connected with a driven wheel. The left side of the driven wheel is fixedly connected with a rotating shaft. The outer wall of the rotating shaft is movably connected with an outer bearing and an inner bearing.

[0003] During the use of the plastic extrusion device for producing steel wire hydraulic hoses in this patent application, compressed air in a compressed air tank is ejected from an air outlet pipe through an air inlet pipe and a connecting pipe, and flows leftward along the inner wall of the housing, which can effectively remove the residue of plastic on the inner wall of the housing. However, during such use, since the air outlet pipe is always in communication with the inside of the housing, it is easy for the plastic inside the housing to enter the air outlet pipe and condense to form a blockage, affecting the subsequent cleaning operation of the device and reducing the practicability of the device. For this reason, we propose a plastic extrusion device for producing steel wire hydraulic hoses. Summary of the Utility Model

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a plastic extrusion device for producing steel wire hydraulic hoses.

[0005] To achieve the above object, the utility model adopts the following technical scheme. A plastic extrusion device for producing steel wire hydraulic hoses includes an equipment housing, an extrusion head fixedly connected to the left end of the equipment housing, a feeding cylinder fixedly connected to the top of the equipment housing, and a conveying roller arranged in the inner cavity of the equipment housing. A driving motor assembly for driving the conveying roller to rotate is arranged at the left end of the equipment housing. An annular plate fixedly installed on the right wall surface of the inner cavity of the equipment housing is sleeved outside the right end of the conveying roller. An annular cavity is opened inside the annular plate. A plurality of air outlet pipes communicating with the inside of the annular cavity are evenly distributed and fixedly sleeved at the edge position of the left wall surface of the annular plate. The right end of the top of the extrusion head is fixedly installed with an air inlet pipe communicating with the top of the annular cavity. A protection mechanism is arranged inside the annular cavity. The protection mechanism includes a moving sliding ring slidably connected inside the annular cavity and capable of adjusting left and right, and a plurality of blocking columns fixedly connected to the left wall surface of the moving sliding ring. The left ends of the plurality of blocking columns extend into the plurality of air outlet pipes and are in close contact with the left wall surface of the inner cavity of the plurality of air outlet pipes.

[0006] Furthermore, a heating plate is arranged inside the device housing.

[0007] Furthermore, a connecting pipe is fixedly sleeved on the top right end of the device shell.

[0008] Furthermore, the top end of the connecting pipe is fixedly connected to the bottom end of the air inlet pipe.

[0009] Furthermore, the bottom end of the connecting pipe is fixedly sleeved on the top of the annular plate and communicated with the inside of the annular cavity.

[0010] Furthermore, the inner cavity wall surface of the movable slip ring is slidably connected to the wall surface of one side of the annular cavity that is biased toward the axis.

[0011] Furthermore, an electric push rod is fixedly installed on the top of the right end of the device shell, and the telescopic end on the left side of the electric push rod successively penetrates the right wall surface of the device shell and the right wall surface of the annular plate to extend into the annular cavity and is fixedly connected to the corresponding position of the right wall surface of the movable slip ring.

[0012] Furthermore, the plurality of air outlet pipes and the plurality of blocking columns are distributed in a circular shape with equal spacing and corresponding positions.

[0013] Furthermore, the left ends of the inner cavities of the multiple air outlet pipes and the left ends of the multiple blocking columns are both truncated cone-shaped and compatible with each other.

[0014] The utility model provides a plastic extrusion device for producing a steel wire hydraulic hose. It has the following beneficial effects:

[0015] 1. A plastic extrusion device for producing steel wire hydraulic hose is provided with a protective mechanism. When in use, plastic is added into the inner cavity of the device housing through a feed barrel, and the conveying roller is driven to rotate by a driving motor assembly to convey the plastic to the left and spray it out through an extruder. In this process, a plurality of blocking columns form a blockage on the left ends of a plurality of air outlet pipes to prevent the plastic from entering the air outlet pipes and solidifying to form a blockage. After the plastic extrusion work is completed, the telescopic end of the electric push rod is first controlled to contract to drive the moving slip ring to move rightward along the inside of the annular plate, and the moving slip ring drives the plurality of blocking columns to move rightward to release the blockage of the plurality of air outlet pipes. At this time, the compressed air tank is connected to the air inlet pipe. The compressed air inside the compressed air tank is heated and enters the annular cavity through the air inlet pipe and the connecting pipe in turn, and then is ejected through multiple air outlet pipes to form an airflow flowing to the left in the inner cavity of the equipment shell, effectively removing the residual plastic on the inner wall of the equipment shell. After the cleaning of the equipment shell is completed, the telescopic end of the electric push rod is controlled to extend to drive the multiple blocking columns on the moving slip ring to move to the left to form a protective effect on the blockage inside the multiple air outlet pipes. The above operation is simple and practical, the structure is reasonable and compact, the protective effect of the equipment on the multiple air outlet pipes is achieved, and the practicality of the equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this utility model. Therefore, they do not have substantial technical significance.

[0017] Figure 1 is a structural sectional view of a plastic extrusion device for producing steel wire hydraulic rubber hoses of this utility model;

[0018] Figure 2 is Figure 1 an enlarged schematic view of A in;

[0019] Figure 3 is a schematic structural view of an annular plate of this utility model;

[0020] Figure 4 is a schematic structural view of a protection mechanism of this utility model.

[0021] Legend description:

[0022] 10. Equipment housing; 11. Extrusion head; 12. Heating plate; 13. Feed cylinder; 14. Conveyor roller; 15. Driving motor assembly; 16. Annular plate; 17. Annular cavity; 18. Air outlet pipe; 19. Air inlet pipe; 20. Connecting pipe; 21. Moving slip ring; 22. Blocking column; 23. Electric push rod. Specific implementation manner

[0023] A plastic extrusion device for producing steel wire hydraulic rubber hoses, as Figures 1-4As shown in the figure, it includes a device housing 10, an extrusion head 11 fixedly connected to the left end of the device housing 10, a feed cylinder 13 fixedly connected to the top of the device housing 10, and a conveying roller 14 arranged in the inner cavity of the device housing 10. A drive motor assembly 15 for driving the conveying roller 14 to rotate is arranged at the left end of the device housing 10. The drive motor assembly 15 is a prior art and will not be elaborated here. A heating plate 12 is arranged inside the device housing 10. An annular plate 16 fixedly installed on the right wall surface of the inner cavity of the device housing 10 is sleeved outside the right end of the conveying roller 14. An annular cavity 17 is opened inside the annular plate 16. A plurality of air outlet pipes 18 communicating with the inside of the annular cavity 17 are evenly distributed and fixedly sleeved at the edge position of the left wall surface of the annular plate 16. The right end of the top of the extrusion head 11 is fixedly installed with an air inlet pipe 19 communicating with the top of the annular cavity 17. A protection mechanism is arranged inside the annular cavity 17. The protection mechanism includes a movable sliding ring 21 slidably connected inside the annular cavity 17 and capable of adjusting left and right, and a plurality of blocking columns 22 fixedly connected to the left wall surface of the movable sliding ring 21. The left ends of the plurality of blocking columns 22 extend into the plurality of air outlet pipes 18 and are in close contact with the left wall surface of the inner cavity of the plurality of air outlet pipes 18. A connecting pipe 20 is fixedly sleeved at the right end of the top of the device housing 10. The top end of the connecting pipe 20 is fixedly connected to the bottom end of the air inlet pipe 19. The bottom end of the connecting pipe 20 is fixedly sleeved on the top of the annular plate 16 and communicates with the inside of the annular cavity 17. The inner wall surface of the movable sliding ring 21 is slidably connected to the side wall surface of the annular cavity 17 biased towards the axis. An electric push rod 23 is fixedly installed at the top right end of the device housing 10. The telescopic end on the left side of the electric push rod 23 sequentially penetrates the right wall surface of the device housing 10 and the right wall surface of the annular plate 16 and extends into the annular cavity 17 and is fixedly connected to the corresponding position of the right wall surface of the movable sliding ring 21. The plurality of air outlet pipes 18 and the plurality of blocking columns 22 are both distributed in an annular and equally spaced state and are in corresponding positions. The left ends of the inner cavities of the plurality of air outlet pipes 18 and the left ends of the plurality of blocking columns 22 are both frustum-shaped and are adapted to each other.

[0024] Working principle of the utility model: During use, plastic is added into the inner cavity of the equipment housing 10 through the feeding cylinder 13. The driving motor assembly 15 drives the conveying roller 14 to rotate, conveying the plastic to the left and spraying it out through the extrusion head 11. During this process, since a plurality of blocking columns 22 block the left ends of a plurality of air outlet pipes 18, it is avoided that plastic enters the inside of the air outlet pipes 18 and solidifies to form a blockage. After the extrusion work of the plastic is completed, first control the telescopic end of the electric push rod 23 to contract, driving the moving sliding ring 21 to move to the right along the inside of the annular plate 16. The moving sliding ring 21 drives a plurality of blocking columns 22 to move to the right to relieve the blockage of a plurality of air outlet pipes 18. At this time, the compressed air tank is communicated with the air inlet pipe 19. The compressed air inside the compressed air tank is heated and then sequentially enters the annular cavity 17 through the air inlet pipe 19 and the connecting pipe 20, and then is sprayed out through a plurality of air outlet pipes 18 to form an air flow flowing to the left in the inner cavity of the equipment housing 10, effectively removing the residual plastic on the inner wall of the equipment housing 10. When the cleaning of the equipment housing 10 is completed, control the telescopic end of the electric push rod 23 to extend, driving a plurality of blocking columns 22 on the moving sliding ring 21 to move to the left to form a protective effect on the blockage inside a plurality of air outlet pipes 18. The above operations are simple and practical, the structure is reasonable and compact, realizing the protective effect of the equipment on a plurality of air outlet pipes 18, and improving the practicability of the equipment.

[0025] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A plastic extrusion device for producing a steel wire hydraulic hose, comprising a device housing (10), an extrusion head (11) fixedly connected to the left end of the device housing (10), a feed cylinder (13) fixedly connected to the top of the device housing (10), and a conveying roller (14) arranged in the inner cavity of the device housing (10), wherein a driving motor assembly (15) for driving the conveying roller (14) to rotate is arranged at the left end of the device housing (10), characterized in that: The outer side of the right end of the conveying roller (14) is sleeved with an annular plate (16) fixedly mounted on the right wall surface of the inner cavity of the equipment housing (10); an annular cavity (17) is provided inside the annular plate (16); a plurality of air outlet pipes (18) connected to the inner cavity (17) are evenly distributed and fixedly sleeved at the edge of the left wall surface of the annular plate (16); an air inlet pipe (19) connected to the top of the annular cavity (17) is fixedly mounted at the right end of the top of the extrusion head (11); a protective mechanism is provided inside the annular cavity (17); the protective mechanism comprises a movable slip ring (21) slidably connected to the inner cavity of the annular cavity (17) and adjustable left and right, and a plurality of blocking columns (22) fixedly connected to the left wall surface of the movable slip ring (21); the left ends of the plurality of blocking columns (22) extend into the plurality of air outlet pipes (18) and are in close contact with the left wall surfaces of the inner cavities of the plurality of air outlet pipes (18).

2. The plastic extrusion device for producing a steel wire hydraulic hose according to claim 1, characterized in that: A heating plate (12) is arranged inside the equipment housing (10).

3. The plastic extrusion device for producing a steel wire hydraulic hose according to claim 1, characterized in that: A connecting pipe (20) is fixedly sleeved at the top right end of the device housing (10), the top end of the connecting pipe (20) is fixedly connected to the bottom end of the air inlet pipe (19), and the bottom end of the connecting pipe (20) is fixedly sleeved on the top of the annular plate (16) and communicated with the inside of the annular cavity (17).

4. The plastic extrusion device for producing a steel wire hydraulic hose according to claim 1, characterized in that: The inner cavity wall surface of the movable slip ring (21) is slidably connected to the wall surface of the annular cavity (17) on one side deviating from the axis center. An electric push rod (23) is fixedly installed on the top of the right end of the device housing (10). The telescopic end on the left side of the electric push rod (23) successively penetrates the right wall surface of the device housing (10) and the right wall surface of the annular plate (16) to extend into the interior of the annular cavity (17) and is fixedly connected to the corresponding position of the right wall surface of the movable slip ring (21).

5. The plastic extrusion device for producing a steel wire hydraulic hose according to claim 1, characterized in that: The plurality of air outlet pipes (18) and the plurality of blocking columns (22) are distributed in a circular manner with equal spacing and corresponding positions, and the left ends of the inner cavities of the plurality of air outlet pipes (18) and the left ends of the plurality of blocking columns (22) are both truncated cone-shaped and compatible.

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