CN213290934U - Polylactic acid composite material preparation facilities - Google Patents

Abstract

The utility model belongs to the technical field of polylactic acid combined material preparation facilities, especially, be a polylactic acid combined material preparation facilities, to the problem that present polylactic acid combined material preparation facilities are lower to the compounding efficiency of polylactic acid resin fuse-element and starch, are difficult to realize quick even compounding, the following scheme is proposed at present, and it includes the base, the spout has been seted up at the base top, and slidable mounting has the slide in the spout, and slide top fixed mounting has a compounding section of thick bamboo, and compounding section of thick bamboo top one side intercommunication has inlet pipe and feeder hopper, and the feeder hopper top sets up to leak hopper-shaped, and compounding section of thick bamboo bottom one side intercommunication has the discharge gate, rotates between the inner wall of compounding section of thick bamboo both sides and installs same pivot, and fixed. The utility model discloses a drive the spiral hinge and rotate and drive the compounding section of thick bamboo and carry out reciprocating vibration when mixing polylactic acid resin fuse-element and starch and melting and carrying to improve material mixing efficiency and quality in it.

Description

Polylactic acid composite material preparation facilities

Technical Field

The utility model relates to a polylactic acid combined material preparation equipment technical field especially relates to a polylactic acid combined material preparation facilities.

Background

Polylactic acid is a bio-based fully biodegradable material which is prepared by taking various starches as main raw materials through fermentation, purification and combination, is widely applied to various aspects in life due to the excellent environmental protection characteristic and is accepted by more and more people. Through retrieval, chinese patent with publication No. CN110920023A discloses a polylactic acid/starch composite material preparation device, which comprises a screw extruder for plasticizing polylactic acid resin material, a feeding extruder for receiving polylactic acid resin melt output by the screw extruder, and a mixing barrel disposed at the extrusion end of the feeding extruder, wherein a mixing screw is disposed in the mixing barrel, the mixing screw is a hollow screw, the hollow region of the mixing screw is a melt flow channel, the melt flow channel is communicated with the extrusion end of the feeding extruder, a starch feed inlet is disposed on the barrel wall of the mixing barrel, and a plurality of spray holes for spraying the polylactic acid resin melt to the screw groove of the mixing screw are disposed on the wall of the melt flow channel. The polylactic acid resin melt and the starch are continuously conveyed forwards and mixed under the shearing action of the mixing screw, the components in the finally obtained composite material are uniformly mixed, and the polylactic acid/starch composite board formed by uniformly plasticizing and extruding the mixture through the mixing cylinder and the board forming die has excellent mechanical property.

However, in the design, polylactic acid resin melt and starch are mixed, melted and transported only through the mixing screw, the mixing efficiency is low, and quick and uniform mixing is difficult to realize, so that a polylactic acid composite material preparation device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the mixing efficiency of the existing polylactic acid composite material preparation device to polylactic acid resin melt and starch is lower and is difficult to realize quick and uniform mixing, and providing the polylactic acid composite material preparation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a polylactic acid composite material preparation device comprises a base, wherein the top of the base is provided with a chute, a sliding plate is arranged in the chute in a sliding manner, the top of the sliding plate is fixedly provided with a mixing barrel, one side of the top of the mixing barrel is communicated with a feeding pipe and a feeding hopper, the top of the feeding hopper is arranged in a funnel shape, one side of the bottom of the mixing barrel is communicated with a discharging port, the same rotating shaft is rotatably arranged between the inner walls of the two sides of the mixing barrel, a spiral hinge leaf, a motor is fixedly arranged on one side of the mixing cylinder, one end of a vertical shaft is fixedly connected to an output shaft of the motor, bevel gears are fixedly arranged on one end of the rotating shaft close to the vertical shaft and the vertical shaft, the two bevel gears are meshed with each other, the vertical shaft bottom fixed mounting has the cam, cam and spout one side inner wall activity butt, the slide is kept away from one side fixedly connected with reset spring's of cam one end, reset spring's the other end and spout opposite side inner wall fixed connection.

Preferably, one end of a limiting rod is fixedly connected to the top of one side of the sliding plate, and the base is sleeved on the outer side of the limiting rod in a sliding mode to guide and limit the sliding plate.

Preferably, the bottom of one side of the mixing cylinder is fixedly provided with a positioning plate, and the positioning plate is rotatably sleeved on the outer side of the vertical shaft to position the vertical shaft so as to improve the motion stability of the vertical shaft.

Preferably, the fixed cover in the pivot outside is equipped with two sealing washers, the thick cover of compounding section of thick bamboo rotation is established in two sealing washer outsides, thereby seals the compounding section of thick bamboo and prevents that the material from leaking.

Preferably, a plurality of recesses have been seted up on the inner wall of spout bottom, and equal swing joint has the ball in a plurality of recesses, and a plurality of balls all with slide bottom roll connection, support the slide and reduce with sliding resistance.

Preferably, the four corners of the bottom of the base are fixedly provided with the supports, and the four supports are internally provided with the rollers in a rotating manner, so that the equipment can be moved conveniently.

In the utility model, the polylactic acid composite material preparation device adds the polylactic acid resin melt through the inlet pipe, and adds the starch through the feed hopper, then turns on the motor, the motor output shaft drives the vertical shaft to rotate, the vertical shaft drives the rotating shaft to rotate through the meshing between two bevel gears, the rotating shaft drives the spiral hinge leaf to continue to rotate so as to blend and convey the polylactic acid resin melt and the starch, and then the polylactic acid resin melt and the starch are discharged through the discharge port to realize discharging;

in the utility model, a polylactic acid combined material preparation facilities, drive the cam through the vertical axis and rotate, the cam promotes mixing barrel to a side motion through the butt with spout one side inner wall, mixing barrel drives the slide and to a side motion and compress reset spring, after the cam rotated half a week, reset spring lost the effect of pressure and extended and promoted slide reverse slip, the slide promoted mixing barrel reverse slip, the cam continued to rotate and drives mixing barrel reciprocating motion about, thereby drive the material in it and shake, in order to promote polylactic acid resin fuse-element and starch's mixing speed and quality;

the utility model has the advantages of reasonable design, rotate through driving the spiral reamer and mix polylactic acid resin fuse-element and starch and drive the compounding section of thick bamboo when melting and carrying and carry out reciprocating vibration to improve material mixing efficiency and quality in it, the reliability is high.

Drawings

FIG. 1 is a schematic structural view of a polylactic acid composite material preparation apparatus provided by the present invention;

FIG. 2 is a schematic structural view of part A of a polylactic acid composite material preparation apparatus according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a polylactic acid composite material preparation device provided by the present invention.

In the figure: 1. a base; 2. a chute; 3. a slide plate; 4. a mixing barrel; 5. a rotating shaft; 6. spirally twisting leaves; 7. A motor; 8. a vertical axis; 9. a bevel gear; 10. a cam; 11. positioning a plate; 12. a seal ring; 13. a ball bearing; 14. a limiting rod; 15. a return spring; 16. a feed pipe; 17. a feed hopper; 18. and (4) a bracket.

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.

Referring to fig. 1-3, a polylactic acid composite material preparation device, comprising a base 1, a chute 2 is arranged on the top of the base 1, a slide plate 3 is arranged in the chute 2 in a sliding manner, a mixing barrel 4 is fixedly arranged on the top of the slide plate 3, one side of the top of the mixing barrel 4 is communicated with a feeding pipe 16 and a feeding hopper 17, the top of the feeding hopper 17 is funnel-shaped, one side of the bottom of the mixing barrel 4 is communicated with a discharging port, the same rotating shaft 5 is rotatably arranged between the inner walls of the two sides of the mixing barrel 4, a spiral hinge 6 is fixedly arranged on the rotating shaft 5, a motor 7 is fixedly arranged on one side of the mixing barrel 4, one end of a vertical shaft 8 is fixedly connected on an output shaft of the motor 7, bevel gears 9 are fixedly arranged on one end of the rotating shaft 5 close to the vertical shaft 8 and on, one side of the sliding plate 3 far away from the cam 10 is fixedly connected with one end of a return spring 15, and the other end of the return spring 15 is fixedly connected with the inner wall of the other side of the sliding chute 2.

The utility model discloses in, 3 one sides of slide top fixedly connected with gag lever post 14's one end, the base 1 slip cap is established in the gag lever post 14 outside, leads spacingly to slide 3.

The utility model discloses in, mixing cylinder 4 one side bottom fixed mounting has locating plate 11, and locating plate 11 rotates the cover and establishes in the 8 outsides of vertical axis, thereby fixes a position vertical axis 8 and improve its motion stability.

The utility model discloses in, the fixed cover in the 5 outsides of pivot is equipped with two sealing washers 12, and mixing barrel 4 rotates and closely overlaps and establish in the 12 outsides of two sealing washers, thereby seals mixing barrel 4 and prevents the material leakage.

The utility model discloses in, seted up a plurality of recesses on the 2 bottom inner walls of spout, equal swing joint has ball 13 in a plurality of recesses, a plurality of ball 13 all with 3 bottom rolling connections of slide, support slide 3 and reduce with sliding resistance.

The utility model discloses in, the equal fixed mounting in base 1 bottom four corners has support 18, all rotates in four supports 18 and installs the gyro wheel, the removal of the equipment of being convenient for.

In the utility model, when in use, the polylactic resin melt is added through the inlet pipe 16, starch is added through the feed hopper 17, then the motor 7 is started, the output shaft of the motor 7 drives the vertical shaft 8 to rotate, the vertical shaft 8 drives the rotating shaft 5 to rotate through the meshing between the two bevel gears 9, the rotating shaft 5 drives the spiral twisting blade 6 to continuously rotate so as to mix and melt the polylactic resin melt and the starch and convey the polylactic resin melt and the starch, then the polylactic resin melt and the starch are discharged through the discharge port to realize discharging, simultaneously the cam 10 is driven to rotate by the vertical shaft 8, the cam 10 pushes the mixing barrel 4 to move to one side through the butt with the inner wall of one side of the chute 2, the mixing barrel 4 drives the sliding plate 3 to move to one side and compresses the reset spring 15, after the cam 10 rotates for half a week, the reset spring 15 loses the effect of pressure to extend and pushes the sliding plate 3 to slide reversely, the sliding plate 3 pushes the mixing, thereby driving the materials in the material vibration device to improve the mixing speed and quality of the polylactic resin melt and the starch.

Claims (6)

1. A polylactic acid composite material preparation device comprises a base (1) and is characterized in that a chute (2) is formed in the top of the base (1), a sliding plate (3) is arranged in the chute (2) in a sliding manner, a mixing barrel (4) is fixedly arranged at the top of the sliding plate (3), one side of the top of the mixing barrel (4) is communicated with an inlet pipe (16) and a feed hopper (17), the top of the feed hopper (17) is funnel-shaped, one side of the bottom of the mixing barrel (4) is communicated with a discharge hole, the same rotating shaft (5) is rotatably arranged between the inner walls of two sides of the mixing barrel (4), a spiral hinge blade (6) is fixedly arranged on the rotating shaft (5), a motor (7) is fixedly arranged on one side of the mixing barrel (4), one end of a vertical shaft (8) is fixedly connected to an output shaft of the motor (7), one end of the rotating shaft (5), two bevel gear (9) mesh mutually, vertical axis (8) bottom fixed mounting has cam (10), cam (10) and spout (2) one side inner wall activity butt, the one side fixedly connected with reset spring (15)'s of cam (10) one end is kept away from in slide (3), reset spring (15) the other end and spout (2) opposite side inner wall fixed connection.

2. The polylactic acid composite material preparation device according to claim 1, wherein one end of a limiting rod (14) is fixedly connected to the top of one side of the sliding plate (3), and the base (1) is slidably sleeved on the outer side of the limiting rod (14).

3. The polylactic acid composite material preparation device according to claim 1, wherein a positioning plate (11) is fixedly installed at the bottom of one side of the mixing barrel (4), and the positioning plate (11) is rotatably sleeved on the outer side of the vertical shaft (8).

4. The polylactic acid composite material preparation device according to claim 1, wherein two sealing rings (12) are fixedly sleeved outside the rotating shaft (5), and the mixing cylinder (4) is rotatably sleeved outside the two sealing rings (12).

5. The preparation device of the polylactic acid composite material according to claim 1, wherein a plurality of grooves are formed on the inner wall of the bottom of the chute (2), the plurality of grooves are movably connected with the balls (13), and the plurality of balls (13) are connected with the bottom of the sliding plate (3) in a rolling manner.

6. The polylactic acid composite material preparation device according to claim 1, wherein the four corners of the bottom of the base (1) are fixedly provided with the brackets (18), and the four brackets (18) are rotatably provided with the rollers.

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