CN111015995A

CN111015995A - Grain device is cut to thermoplastic polyurethane master batch

Info

Publication number: CN111015995A
Application number: CN201911307963.5A
Authority: CN
Inventors: 山君
Original assignee: Zhejiang Yuneng New Material Technology Co Ltd
Current assignee: Zhejiang Yuneng New Material Technology Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-04-17

Abstract

The invention discloses a granulating device for thermoplastic polyurethane master batches, relates to the technical field of granulating devices, and particularly relates to a granulating device for thermoplastic polyurethane master batches. This grain device of cutting of thermoplastic polyurethane master batch, set up through the surface at the conveyer pipe and add the coil, the utilization adds the coil and heats the conveyer pipe, prevent that polyurethane from solidifying thickening in the conveyer pipe, avoid causing the jam to the conveyer pipe, the normal use of device has been guaranteed, carry the dry ice to the dry ice conveyer pipe through the dry ice jar, the inside of carrying the cooling tube by the dry ice conveyer pipe again cools off the discharging pipe, make the polyurethane in the discharging pipe solidify rapidly, conveniently cut the grain to polyurethane, polyurethane has been avoided gluing on the cutter, the efficiency of cutting the grain has been improved.

Description

Grain device is cut to thermoplastic polyurethane master batch

Technical Field

The invention relates to the technical field of granulating devices, in particular to a granulating device for thermoplastic polyurethane master batches.

Background

The polyurethane is named polyurethane, and is a high molecular compound, and can be made into polyurethane plastics (mainly foamed plastics), polyurethane fiber, polyurethane rubber and elastomer, and the soft Polyurethane (PU) mainly has a thermoplastic linear structure, has better stability, chemical resistance, rebound resilience and mechanical property than PVC foaming material, has smaller compression deformability, and has good heat insulation, sound insulation, shock resistance and gas resistance. Therefore, the hard PU plastic is used as a packaging, sound insulation and filtering material, has light weight, excellent sound insulation and heat insulation performance, chemical resistance, good electrical property, easy processing and low water absorption rate.

Polyurethane is carrying out the in-process of cutting grain, polyurethane can solidify into thick form object in pipeline, easy adhesion is in the pipeline, cause the jam to the pipeline, influence the normal use of device, polyurethane can't solidify completely when the cutting simultaneously, glue on the cutter easily, influence the cutting of cutter, cutting device's cutter uses the bolt to connect now in addition, when carrying out the change of blade, need unscrew the bolt one by one, dismantle very trouble, we provide the grain device of cutting of thermoplastic polyurethane master batch for this.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a granulating device of thermoplastic polyurethane master batches, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a grain device of cutting of thermoplastic polyurethane master batch, includes the body, the top fixedly connected with hopper of body, the inside of hopper is provided with carries the auger, the bottom of carrying the auger articulates there is driving motor, driving motor fixed mounting is in the inside of body, the hopper at the fixedly connected with conveyer pipe, the fixed cover of surface of conveyer pipe has connect with the coil, the left side fixedly connected with discharging pipe of conveyer pipe, the bottom fixedly connected with mount of body, the inside fixed mounting of mount has dry ice tank, the left side fixed mounting of body has the cutting motor, the left side fixed mounting of cutting motor has the cutter.

Optionally, the left side fixedly connected with dry ice conveyer pipe of dry ice jar, the inside of dry ice conveyer pipe is provided with control valve and flow valve, the top of dry ice conveyer pipe extends to the discharging pipe.

Optionally, a cooling pipe is fixedly sleeved on the surface of the discharging pipe, the cooling pipe is spirally wound on the surface of the discharging pipe, a heat conducting fin is fixedly connected to the surface of the discharging pipe, the heat conducting fin is located between the cooling pipe and the discharging pipe, isolating liquid is arranged outside the heat conducting fin, a pressure relief valve is arranged at the top of the cooling pipe, the pressure relief valve is fixedly mounted at the top of the body,

optionally, the inside joint of cutter has the blade, the surface of blade is provided with the spacing groove, the left side fixedly connected with connecting handle of blade, the draw-in groove has been seted up in the front of connecting handle.

Optionally, the bottom of the inner cavity of the cutter is fixedly connected with a clamping block, the conveying clamping block is matched with the clamping groove, the top of the cutter is hinged with a fixed cover, the bottom of the fixed cover is also fixedly connected with the clamping block, the upper clamping block and the lower clamping block are symmetrical, and the front face of the fixed cover is in threaded connection with a fixing bolt.

The invention provides a granulating device of thermoplastic polyurethane master batches, which has the following beneficial effects:

1. this grain device of cutting of thermoplastic polyurethane master batch, set up through the surface at the conveyer pipe and add the coil, the utilization adds the coil and heats the conveyer pipe, prevent that polyurethane from solidifying thickening in the conveyer pipe, avoid causing the jam to the conveyer pipe, the normal use of device has been guaranteed, carry the dry ice to the dry ice conveyer pipe through the dry ice jar, the inside of carrying the cooling tube by the dry ice conveyer pipe again cools off the discharging pipe, make the polyurethane in the discharging pipe solidify rapidly, conveniently cut the grain to polyurethane, polyurethane has been avoided gluing on the cutter, the efficiency of cutting the grain has been improved.

2. This grain device of cutting of thermoplastic polyurethane master batch, through setting up the cutter, when changing the blade, only need unscrew fixing bolt and open fixed lid, then take out the blade from the cutter and change new blade and can accomplish the change, improved the change efficiency of blade, set up spacing groove and draw-in groove simultaneously on the blade, it is fixed to utilize the fixture block to carry out the joint to the draw-in groove, prevent that the blade is not hard up in the cutter, improved the stability of blade, guaranteed the normal cutting of blade.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the blade of the present invention;

fig. 3 is a schematic structural view of the cutter of the present invention.

In the figure: 1. a body; 2. a hopper; 3. conveying the auger; 4. a drive motor; 5. a delivery pipe; 6. adding a coil; 7. a discharge pipe; 8. a fixed mount; 9. a dry ice tank; 10. a dry ice delivery pipe; 11. a control valve; 12. a flow valve; 13. a cooling tube; 14. a heat conductive sheet; 15. a spacer fluid; 16. a pressure relief valve; 17. cutting the motor; 18. a cutter; 19. a blade; 20. a limiting groove; 21. a connecting handle; 22. a card slot; 23. a clamping block; 24. a fixed cover; 25. and (5) fixing the bolt.

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 to 3, the present invention provides a technical solution: a granulating device of thermoplastic polyurethane master batch comprises a body 1, a hopper 2 is fixedly connected to the top of the body 1, a conveying auger 3 is arranged in the hopper 2, a driving motor 4 is hinged to the bottom of the conveying auger 3, the driving motor 4 is fixedly installed in the body 1, a conveying pipe 5 is fixedly connected to the hopper 2, a coil 6 is fixedly sleeved on the outer surface of the conveying pipe 5, the coil 6 is arranged on the surface of the conveying pipe 5, the conveying pipe 5 is heated by the coil 6, polyurethane is prevented from being solidified and thickened in the conveying pipe 5, blockage of the conveying pipe 5 is avoided, normal use of the device is ensured, a discharging pipe 7 is fixedly connected to the left side of the conveying pipe 5, a fixing frame 8 is fixedly connected to the bottom of the body 1, a dry ice tank 9 is fixedly installed in the fixing frame 8, a cutting motor 17 is fixedly installed on the left side of the, a cutter 18 is fixedly mounted on the left side of the cutting motor 17.

Wherein, the left side fixedly connected with dry ice conveyer pipe 10 of dry ice jar 9, the inside of dry ice conveyer pipe 10 is provided with control valve 11 and flow valve 12, the top of dry ice conveyer pipe 10 extends to discharging pipe 7, carry the dry ice in to dry ice conveyer pipe 10 through dry ice jar 9, the inside of carrying cooling tube 13 by dry ice conveyer pipe 10 again cools off discharging pipe 7, control valve 11 and flow valve 12 on dry ice conveyer pipe 10 surface can observe and control the flow of dry ice, conveniently control refrigerated speed.

Wherein, the fixed surface of discharging pipe 7 has cup jointed cooling tube 13, cooling tube 13 is the surface of heliciform winding at discharging pipe 7, the fixed surface of discharging pipe 7 is connected with conducting strip 14, conducting strip 14 is located between cooling tube 13 and discharging pipe 7, the outside of conducting strip 14 is provided with buffer fluid 15, pressure relief valve 16 has been seted up at the top of cooling tube 13, pressure relief valve 16 fixed mounting is at the top of body 1, set up cooling tube 13 through the surface at discharging pipe 7, utilize cooling tube 13 to cool off discharging pipe 7, make the rapid cooling of polyurethane in discharging pipe 7, the convenience is cut polyurethane, conducting strip 14 can make heat transfer more even, improve polyurethane's cooling rate.

Wherein, the inside joint of cutter 18 has blade 19, and the surface of blade 19 is provided with spacing groove 20, and the left side fixedly connected with connecting handle 21 of blade 19, draw-in groove 22 has been seted up on the front of connecting handle 21, through setting up cutter 18, when changing blade 19, only need unscrew fixing bolt 25 and open fixed cover 24, then take out blade 19 from cutter 18 and change new blade 19 and can accomplish the change, improved the change efficiency of blade 19.

Wherein, the bottom fixedly connected with fixture block 23 of the inner chamber of cutter 18, carry fixture block 23 and draw-in groove 22 phase-match, the top of cutter 18 articulates there is fixed lid 24, fixed lid 24's bottom is also fixedly connected with fixture block 23 and two upper and lower fixture block 23 symmetries, fixed lid 24's front threaded connection has fixing bolt 25, lead to and set up fixture block 23 in the inside of cutter 18 and fixed lid 24 respectively, it is fixed to utilize fixture block 23 and draw-in groove 22 to carry out the joint, prevent that blade 19 is not hard up in cutter 18, the stability of blade 19 has been improved, the normal cutting of blade 19 has been guaranteed.

In conclusion, the pelletizing device for the thermoplastic polyurethane master batches is used, processed polyurethane is poured into the hopper 2, the polyurethane in the hopper 2 is conveyed into the conveying pipe 5 through the rotation of the conveying auger 3, the conveying pipe 5 is heated by the aid of the coil 6, the polyurethane enters the discharge pipe 7 through the conveying pipe 5, dry ice is conveyed into the dry ice conveying pipe 10 through the dry ice tank 9, the dry ice is conveyed into the cooling pipe 13 through the dry ice conveying pipe 10 to cool the discharge pipe 7, solidified polyurethane leaks out of the left end of the discharge pipe 7, the cutter 18 is driven to rotate by the cutting motor 17, and the polyurethane is pelletized.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a grain device of cutting of thermoplastic polyurethane master batch, includes body (1), its characterized in that: the top fixedly connected with hopper (2) of body (1), the inside of hopper (2) is provided with carries auger (3), the bottom of carrying auger (3) articulates there is driving motor (4), driving motor (4) fixed mounting is in the inside of body (1), the fixedly connected with conveyer pipe (5) of hopper (2), the fixed cover of surface of conveyer pipe (5) has connect and has added coil (6), the left side fixedly connected with discharging pipe (7) of conveyer pipe (5), the bottom fixedly connected with mount (8) of body (1), the inside fixed mounting of mount (8) has dry ice tank (9), the left side fixed mounting of body (1) has cutting motor (17), the left side fixed mounting of cutting motor (17) has cutter (18).

2. The pelletizing device of a thermoplastic polyurethane master batch of claim 1, characterized in that: the left side fixedly connected with dry ice conveyer pipe (10) of dry ice jar (9), the inside of dry ice conveyer pipe (10) is provided with control valve (11) and flow valve (12), the top of dry ice conveyer pipe (10) extends to discharging pipe (7).

3. The pelletizing device of a thermoplastic polyurethane master batch of claim 1, characterized in that: the fixed surface of discharging pipe (7) has cup jointed cooling tube (13), cooling tube (13) are the heliciform winding and are on the surface of discharging pipe (7), the fixed surface of discharging pipe (7) is connected with conducting strip (14), conducting strip (14) are located between cooling tube (13) and discharging pipe (7), the outside of conducting strip (14) is provided with buffer fluid (15), pressure relief valve (16) have been seted up at the top of cooling tube (13), pressure relief valve (16) fixed mounting is at the top of body (1).

4. The pelletizing device of a thermoplastic polyurethane master batch of claim 1, characterized in that: the inside joint of cutter (18) has blade (19), the surface of blade (19) is provided with spacing groove (20), the left side fixedly connected with connecting handle (21) of blade (19), draw-in groove (22) have been seted up in the front of connecting handle (21).

5. The pelletizing device of a thermoplastic polyurethane master batch of claim 1, characterized in that: the bottom fixedly connected with fixture block (23) of cutter (18) inner chamber carries fixture block (23) and draw-in groove (22) phase-match, the top of cutter (18) articulates there is fixed lid (24), two fixture block (23) symmetries about also fixedly connected with fixture block (23) in the bottom of fixed lid (24), the front threaded connection of fixed lid (24) has fixing bolt (25).