Polyurethane particle melt extrusion equipment

Abstract

The polyurethane particle melt extrusion equipment comprises a bottom plate, a support is fixedly connected to one side of the upper surface of the bottom plate, a servo motor is fixedly installed through the support, a wheel disc is fixedly connected to the output end of the servo motor, and a supporting rod is movably connected to the edge of the surface of one side of the wheel disc through a rotating shaft; according to the extrusion device, through the arrangement of the servo motor, the wheel disc, the supporting rod, the connecting rod, the abutting piece and the piston piece, the extrusion device can continuously conduct extrusion operation in a reciprocating mode, and therefore the melt extrusion efficiency is effectively guaranteed; therefore, the situation that the polyurethane particles need to be extruded intermittently during melting is effectively avoided, and the problem that in the prior art, the single-time melting extrusion amount is limited, so that equipment needs to be reset after melting extrusion, then the polyurethane particles can be fed next time, and the melting extrusion efficiency is greatly limited is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of melt extrusion, in particular to polyurethane particle melt extrusion equipment. Background Art

[0002] Polyurethane is an emerging organic polymer material, known as the "fifth plastic", and is widely used in many fields of the national economy due to its excellent performance.

[0003] However, in the prior art, the single melt extrusion amount is limited during the melt extrusion process. Therefore, the equipment needs to be reset after the melt extrusion before the next polyurethane particle feeding can be carried out, which greatly limits the melt extrusion efficiency.

[0004] Therefore, a polyurethane particle melt extrusion device is provided to solve the above problems. Summary of the invention

[0005] The utility model aims to solve the problem that in the prior art, the single melt extrusion amount is limited during the melt extrusion process, so the equipment needs to be reset after the melt extrusion before the next polyurethane particle feeding can be carried out, which greatly limits the melt extrusion efficiency.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] A polyurethane particle melt extrusion device comprises a base plate, a bracket is fixedly connected to one side of the upper surface of the base plate, and a servo motor is fixedly installed through the bracket, a wheel disc is fixedly connected to the output end of the servo motor, a support rod is movably connected to the edge of one side surface of the wheel disc through a rotating shaft, a connecting rod is movably connected to one end of the support rod, and a rotating shaft is provided at the connection, a piston is fixedly connected to one end of the connecting rod, an abutment is fixedly connected to the middle part of the connecting rod, a support member is fixedly connected to one side of the upper surface of the base plate, a melting barrel is fixedly connected to the support member, and a heating member is fixedly connected to the inner side wall of the melting barrel.

[0008] As a preferred technical solution of the present application, a barrel cover is clamped on the top of the melting barrel, a rubber ring is movably connected to the clamping point between the melting barrel and the barrel cover, a feed groove is opened in the middle of the upper surface of the barrel cover, and a hopper is fixedly connected to the edge of the feed groove.

[0009] As a preferred technical solution of the present application, a bracket is fixedly connected to one side of the upper surface of the barrel cover, and a driving motor is fixedly connected to the bracket. The output end of the driving motor is fixedly connected to a rotating rod, and one end of the rotating rod is inserted through and clamped on the barrel cover.

[0010] As a preferred technical solution of the present application, an oblique support is fixedly connected to the surface of the rotating rod, one end of the oblique support is fixedly connected to an arc-shaped piece, a discharge port is opened in the middle of the bottom wall of the melting barrel, and a conduit is fixedly connected to the inner wall of the discharge port.

[0011] As a preferred technical solution of the present application, the inner bottom wall of the conduit is movably connected with a flap via a torsion spring, the top of the inner bottom wall of the conduit is fixedly connected with a screening element, and the upper surface of the screening element is fixedly connected with a protruding nozzle.

[0012] As a preferred technical solution of the present application, the bottom of the catheter is fixedly connected to a piston tube and communicated with the piston tube, one end of the piston tube is movably connected to an extrusion nozzle, and the connecting rod and the piston member are both arranged inside the piston tube.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the scheme of this application:

[0015] 1. Through the servo motor, wheel, support rod, connecting rod, abutment and piston, the equipment can continuously reciprocate to perform extrusion operation, so that the melt extrusion efficiency is effectively guaranteed, thereby effectively avoiding the situation that the polyurethane particles need to be melted and extruded intermittently, solving the problem that the single melt extrusion amount in the prior art is limited, so the equipment needs to be reset after melt extrusion before the next polyurethane particle feeding can be carried out, thereby greatly limiting the melt extrusion efficiency;

[0016] 2. By setting the driving motor, rotating rod, arc-shaped part, protruding nozzle, conduit and inclined branch, the equipment continuously stirs the polyurethane particles, thereby ensuring uniform heating of the polyurethane particles and effectively preventing the particles from blocking the protruding nozzle, thereby ensuring the normal outflow of the polyurethane liquid, solving the problem in the prior art that the polyurethane particles are unevenly heated, resulting in the liquid inside participating in the particles and affecting the extrusion of the polyurethane. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the polyurethane particle melt extrusion equipment provided in this application;

[0018] Figure 2 A schematic diagram of the internal structure of the melting barrel of the polyurethane particle melt extrusion equipment provided in this application;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the piston tube of the polyurethane particle melt extrusion equipment provided in this application;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the melting barrel of the polyurethane particle melt extrusion equipment provided in this application.

[0021] Indicated in the figure:

[0022] 1. Bottom plate; 2. servo motor; 3. wheel disc; 4. support rod; 5. connecting rod; 6. piston member; 7. resistance member; 8. support member; 9. melting barrel; 10. barrel cover; 11. heating member; 12. hopper; 13. driving motor; 14. rotating rod; 15. oblique support; 16. arc member; 17. conduit; 18. flap; 19. screening member; 20. piston tube; 21. extrusion nozzle; 22. convex nozzle. DETAILED DESCRIPTION

[0023] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0024] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] See also Figure 1-Figure 4The present application provides a polyurethane particle melt extrusion device, including a base plate 1, a bracket is fixedly connected to one side of the upper surface of the base plate 1, and a servo motor 2 is fixedly installed through the bracket, a wheel disc 3 is fixedly connected to the output end of the servo motor 2, a support rod 4 is movably connected to the edge of one side surface of the wheel disc 3 through a rotating shaft, a connecting rod 5 is movably connected to one end of the support rod 4, and a rotating shaft is provided at the connection, a piston member 6 is fixedly connected to one end of the connecting rod 5, a resistance member 7 is fixedly connected to the middle part of the connecting rod 5, a support member 8 is fixedly connected to one side of the upper surface of the base plate 1, a melting barrel 9 is fixedly connected to the support member 8, and a heating member 11 is fixedly connected to the inner wall of the melting barrel 9.

[0029] A barrel cover 10 is clamped on the top of the melting barrel 9, and a rubber ring is movably connected to the clamping point between the melting barrel 9 and the barrel cover 10. A feed groove is opened in the middle of the upper surface of the barrel cover 10, and a hopper 12 is fixedly connected to the edge of the feed groove. A bracket is fixedly connected to one side of the upper surface of the barrel cover 10, and a driving motor 13 is fixedly connected to the bracket. A rotating rod 14 is fixedly connected to the output end of the driving motor 13, and one end of the rotating rod 14 passes through and is clamped on the barrel cover 10. An oblique support 15 is fixedly connected to the surface of the rotating rod 14, and one end of the oblique support 15 is fixedly connected to the An arc-shaped piece 16 is connected, a discharge port is opened in the middle of the inner bottom wall of the melting barrel 9, and a conduit 17 is fixedly connected to the inner wall of the discharge port, a flap 18 is movably connected to the inner bottom wall of the conduit 17 through a torsion spring, a screening piece 19 is fixedly connected to the top of the inner bottom wall of the conduit 17, a protruding nozzle 22 is fixedly connected to the upper surface of the screening piece 19, a piston tube 20 is fixedly connected to the bottom of the conduit 17 and is communicated with the piston tube 20, an extrusion nozzle 21 is movably connected to one end of the piston tube 20, and the connecting rod 5 and the piston piece 6 are both arranged inside the piston tube 20.

[0030] Specifically, when the polyurethane granule melt extrusion equipment is used:

[0031] The staff pours the polyurethane particles into the melting barrel 9 through the hopper 12, and then starts the driving motor 13 and the heating element 11. At this time, the driving motor 13 drives the rotating rod 14 to rotate, and drives the inclined support 15 and the arc-shaped member 16 thereon to rotate synchronously through the rotating rod 14. At this time, the particles are flipped by force and melted by heat. The molten polyurethane liquid flows into the conduit 17 through the protruding nozzle 22, and the flap 18 is squeezed open by gravity, and then enters the piston tube 20. At the same time, the servo motor 2 is started, and the output end of the servo motor 2 drives the wheel disc 3 to rotate, and forms a cam motion through the support rod 4 on the wheel disc 3, and then pushes the connecting rod 5 to move in the piston tube 20, so as to The piston 6 is forced to move toward the extrusion nozzle 21 end, and at this time, the resistance member 7 continues to resist the flap 18 after the piston 6 passes through the flap 18 to close it, thereby preventing the flap 18 from not being reset and causing the polyurethane liquid to penetrate between the piston 6 and the resistance member 7, thereby causing blockage of the piston tube 20. When the piston 6 is forced to move, the polyurethane liquid is discharged through the extrusion nozzle 21, thereby completing the melt extrusion operation of the polyurethane particles. When the wheel disc 3 continues to rotate, the piston 6 and the resistance member 7 are reset again, and the flap 18 is opened again due to the influence of gravity, thereby allowing new urethane liquid to enter the piston tube 20 for a new melt extrusion operation.

[0032] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A polyurethane particle melt extrusion device, comprising a bottom plate (1), characterized in that: A bracket is fixedly connected to one side of the upper surface of the bottom plate (1), and a servo motor (2) is fixedly installed via the bracket; a wheel disc (3) is fixedly connected to the output end of the servo motor (2); a support rod (4) is movably connected to the edge of one side surface of the wheel disc (3) via a rotating shaft; a connecting rod (5) is movably connected to one end of the support rod (4), and a rotating shaft is provided at the connection; a piston member (6) is fixedly connected to one end of the connecting rod (5); a resisting member (7) is fixedly connected to the middle of the connecting rod (5); a support member (8) is fixedly connected to one side of the upper surface of the bottom plate (1); a melting barrel (9) is fixedly connected to the support member (8); and a heating member (11) is fixedly connected to the inner wall of the melting barrel (9).

2. A polyurethane particle melt extrusion device according to claim 1, characterized in that: A barrel cover (10) is clamped on the top of the melting barrel (9), and a rubber ring is movably connected to the clamping point between the melting barrel (9) and the barrel cover (10). A feed groove is opened in the middle of the upper surface of the barrel cover (10), and a hopper (12) is fixedly connected to the edge of the feed groove.

3. A polyurethane particle melt extrusion device according to claim 2, characterized in that: A bracket is fixedly connected to one side of the upper surface of the barrel cover (10), and a driving motor (13) is fixedly connected to the bracket. The output end of the driving motor (13) is fixedly connected to a rotating rod (14), and one end of the rotating rod (14) penetrates and is clamped on the barrel cover (10).

4. A polyurethane particle melt extrusion device according to claim 3, characterized in that: An oblique support (15) is fixedly connected to the surface of the rotating rod (14), and an arc-shaped member (16) is fixedly connected to one end of the oblique support (15). A discharge port is provided in the middle of the inner bottom wall of the melting barrel (9), and a conduit (17) is fixedly connected to the inner wall of the discharge port.

5. A polyurethane particle melt extrusion device according to claim 4, characterized in that: The inner bottom wall of the conduit (17) is movably connected to a flap (18) via a torsion spring, the top of the inner bottom wall of the conduit (17) is fixedly connected to a screening element (19), and the upper surface of the screening element (19) is fixedly connected to a protruding nozzle (22).

6. A polyurethane particle melt extrusion device according to claim 5, characterized in that: The bottom of the conduit (17) is fixedly connected to a piston tube (20) and communicates with the piston tube (20); one end of the piston tube (20) is movably connected to an extrusion nozzle (21); and the connecting rod (5) and the piston member (6) are both arranged inside the piston tube (20).

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