CN218139194U

CN218139194U - Plastic particle collecting mechanism of screw extruder

Info

Publication number: CN218139194U
Application number: CN202222668871.3U
Authority: CN
Inventors: 赵荣兵; 高灿灿; 张国军
Original assignee: Suzhou Arcom New Material Technology Co ltd
Current assignee: Suzhou Arcom New Material Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-27
Anticipated expiration: 2032-10-11

Abstract

The utility model belongs to the technical field of plastic pellet collects, especially, be a screw extruder's plastic pellet collects mechanism, including base and the fixed extruding cylinder that sets up at the base top, the fixed intercommunication in one side of extruding cylinder has the motor, fixedly connected with extrudes the screw rod on the output shaft of motor, extrude the one end fixedly connected with connecting axle of screw rod, the one end fixedly connected with square pole of connecting axle. The utility model has the advantages of reasonable design, sustainable cools off the plastic strip just extruded, and the later stage of being convenient for is cut grain, through go-between and clamping screw's setting, is convenient for carry out quick dismouting to extrusion tooling to the extrusion tooling of corresponding specification is changed according to granulation diameter's difference, through guide plate, collecting box, limiting plate, fixed plate and reset spring's setting, has made things convenient for carry out quick dismouting change to the collecting box that fills with plastic pellet, is convenient for collect the use to plastic pellet.

Description

Plastic particle collecting mechanism of screw extruder

Technical Field

The utility model relates to a plastic pellet collects technical field, especially relates to a mechanism is collected to screw extruder's plastic pellet.

Background

Plastic particles are the common name for plastic granules, and are the raw material for storing, transporting and processing plastic in the form of semi-finished products. Plastics are a kind of high molecular material, and can be used to prepare ethylene, propylene, vinyl chloride, styrene, etc. by using petroleum as raw material, and the molecules of these substances can react with each other under a certain condition to produce compounds with very large molecular weight, i.e. high molecules. The viscosity of the plastic particles and the process requirements of injection molding, plastic sucking and extrusion molding are as follows: the required viscosity of injection molding is 2.7; the required viscosity of the plastic uptake is 2.2; the required viscosity for extrusion is 3.2. The viscosity is high and the flowability is low, and injection molding is certainly not feasible, and extrusion molding is preferred.

When present screw extruder carries out the granulation to plastics, the inconvenient plastics strip of just extruding carries out quick cooling, and then is unfavorable for the later stage to cut the grain operation to the plastics strip, and inconvenient according to the size of granulation diameter to the extrusion tooling of different specifications dismouting change, leads to application range to be restricted, and inconvenient plastic pellet after the granulation collects, therefore we have proposed a screw extruder's plastic pellet collection mechanism and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a plastic particle collecting mechanism of a screw extruder.

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

the utility model provides a mechanism is collected to screw extruder's plastic pellet, includes base and the fixed extrusion cylinder that sets up at the base top, the fixed intercommunication in one side of extrusion cylinder has the motor, fixedly connected with extrudes the screw rod on the output shaft of motor, extrude the one end fixedly connected with connecting axle of screw rod, the one end fixedly connected with square pole of connecting axle, one side detachable fixedly connected with go-between of extrusion cylinder, the collar has been cup jointed to the intra-annular fixed connection, fixedly connected with extrusion tooling in the collar, the extrusion tooling internal rotation is provided with the axis of rotation, the one end fixedly connected with cutting knife of axis of rotation, square groove has been seted up to the one end of axis of rotation, square pole activity joint is in square inslot, be provided with cooling body between collar and the base, the top of base is provided with collection mechanism.

Preferably, the cooling mechanism comprises a water tank fixedly arranged on the base, the top of the water tank is fixedly communicated with a heat exchanger and a circulating pump, a cooling cavity is formed in the mounting ring, a water inlet pipe is fixedly communicated between the circulating pump and the cooling cavity, and a return pipe is fixedly communicated between the cooling cavity and the heat exchanger.

Preferably, the water inlet pipe is communicated with the circulating pump through a flange, and the return pipe is communicated with the heat exchanger through a flange.

Preferably, the spout has been seted up at the top of base, collect the mechanism including fixed backup pad and two limiting plates that set up at the base top, the collecting box of activity placing at the base top and the fixed reset spring that sets up on spout bottom inner wall, the top fixedly connected with guide plate of backup pad, the collecting box activity is placed between two limiting plates and backup pad, reset spring's top fixedly connected with fixed plate, one side activity butt of fixed plate is in one side of collecting box.

Preferably, the collection box is fixedly arranged between the two limiting plates, the supporting plate and the fixing plate.

Preferably, the fixing plate is slidably sleeved in the sliding groove.

Preferably, the top inner wall and the bottom inner wall of the extrusion cylinder are both fixedly connected with heating plates.

Preferably, the outer side of the connecting ring is threaded with four fixing screws, and the connecting ring is fixedly arranged on the outer side of the extrusion barrel through the four fixing screws.

In the utility model, the plastic particle collecting mechanism of the screw extruder continuously cools the just extruded plastic strip through the arrangement of the water tank, the heat exchanger, the circulating pump, the feeding pipe, the return pipe and the cooling cavity, so that the plastic strip can be conveniently granulated at the later stage, and the extrusion die can be conveniently and rapidly disassembled and assembled through the arrangement of the square rod, the square groove, the connecting ring and the fixed screw, so that the extrusion die with corresponding specifications can be conveniently replaced according to different granulation diameters, and the rotation of the extrusion screw driving cutting knife is not hindered;

in the utility model, the plastic particle collecting mechanism of the screw extruder is convenient for rapidly disassembling, assembling and replacing the collecting box filled with plastic particles and collecting and using the plastic particles by arranging the guide plate, the collecting box, the limiting plate, the fixing plate and the reset spring;

the utility model has the advantages of reasonable design, sustainable cools off the plastic strip just extruded, and the later stage of being convenient for is cut grain, through go-between and clamping screw's setting, is convenient for carry out quick dismouting to extrusion tooling to the extrusion tooling of corresponding specification is changed according to granulation diameter's difference, through guide plate, collecting box, limiting plate, fixed plate and reset spring's setting, has made things convenient for carry out quick dismouting change to the collecting box that fills with plastic pellet, is convenient for collect the use to plastic pellet.

Drawings

Fig. 1 is a schematic structural view of a plastic particle collecting mechanism of a screw extruder according to the present invention;

fig. 2 is a cross-sectional view of a plastic particle collecting mechanism of a screw extruder according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a plastic particle collecting mechanism of a screw extruder according to the present invention.

In the figure: 1. a base; 2. an extrusion cylinder; 3. a motor; 4. a connecting shaft; 5. a connecting ring; 6. fixing the screw rod; 7. a mounting ring; 8. extruding the mould; 9. a rotating shaft; 10. a square rod; 11. a cutting knife; 12. a baffle; 13. a support plate; 14. a water tank; 15. a heat exchanger; 16. a limiting plate; 17. a fixing plate; 18. a collection box; 19. extruding a screw; 20. heating plates; 21. a circulation pump; 22. a water inlet pipe; 23. a return pipe; 24. a return spring; 25. a chute; 26. a square groove; 27. and a cooling cavity.

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 plastic particle collecting mechanism of screw extruder, including base 1 and the fixed extrusion cylinder 2 that sets up at base 1 top, one side fixed intercommunication of extrusion cylinder 2 has motor 3, fixedly connected with extrusion screw 19 on motor 3's the output shaft, extrusion screw 19's one end fixedly connected with connecting axle 4, the one end fixedly connected with square pole 10 of connecting axle 4, one side detachable fixedly connected with go-between 5 of extrusion cylinder 2, it has collar 7 to cup joint in go-between 5, fixedly connected with extrusion tooling 8 in collar 7, the internal rotation of extrusion tooling 8 is provided with axis of rotation 9, the one end fixedly connected with cutting knife 11 of axis of rotation 9, square groove 26 has been seted up to the one end of axis of rotation 9, square pole 10 activity joint is in square groove 26, be provided with cooling mechanism between collar 7 and base 1, the top of base 1 is provided with the collecting mechanism, pour the plastics raw materials into extrusion cylinder 2, the rotation of extrusion screw 19 and connecting axle 4 has been driven through motor 3, extrusion screw 19 can extrude the plastics raw materials of hot melt to the shaping hole in extrusion tooling 8, and can form the plastic strip, can carry out cooling mechanism to just cool off square bar and the cutting knife 10, the cutting knife 10 has just carried out the cutting operation, the cutting grain pole under the rotation has been favorable to the rotation, the cutting knife 10 has been carried out, the cutting operation has been carried out.

The utility model discloses in, cooling body is including the fixed water tank 14 that sets up at base 1, the fixed intercommunication in top of water tank 14 has heat exchanger 15 and circulating pump 21, cooling chamber 27 has been seted up in the collar 7, fixed intercommunication inlet tube 22 between circulating pump 21 and the cooling chamber 27, fixed intercommunication has back flow 23 between cooling chamber 27 and the heat exchanger 15, circulating pump 21 through the cooling body, can take out the cold water in the water tank 14 in inlet tube 22 and the cooling chamber 27, through the cold water that flows, but high efficiency cools off the plastic strip of just extruding, be favorable to the later stage to cut grain operation, cold water heat absorption flows into in heat exchanger 15 from back flow 23 simultaneously, through heat exchanger 15, can refrigerate hot water and flow into in water tank 14, so that circulating pump 21 continues the extraction, and then the cyclic utilization water resource.

The utility model discloses in, be linked together through the flange between inlet tube 22 and the circulating pump 21, be linked together through the flange between back flow 23 and the heat exchanger 15, the intercommunication between inlet tube 22 and the circulating pump 21 of being convenient for, the intercommunication between back flow 23 and the heat exchanger 15 does not hinder the dismouting to collar 7 simultaneously.

The utility model discloses in, spout 25 has been seted up at base 1's top, collect the mechanism including fixed backup pad 13 and two limiting plates 16 that set up at base 1 top, the collecting box 18 and the fixed reset spring 24 that sets up on spout 25 bottom inner wall at base 1 top are placed to the activity, the top fixedly connected with guide plate 12 of backup pad 13, collecting box 18 activity is placed between two limiting plates 16 and backup pad 13, reset spring 24's top fixedly connected with fixed plate 17, one side activity butt of fixed plate 17 is in one side of collecting box 18, under the direction of guide plate 12, plastic pellet after the granulation flows into in collecting box 18, collect full back when collecting box 18, can close motor 3, press fixed plate 17, make fixed plate 17 move down in withdrawal spout 25 and extrude reset spring 24, and then spacing collecting box 18 is not carried out, can pull out collecting box 18 right this moment, then put into between two limiting plates 16 and backup pad 13 empty collecting box 18, loosen fixed plate 17, this moment under reset spring 24's effect, fixed plate 17 moves up and carry out spacing fixed to collecting box 18, thereby made things convenient for the quick change collecting box 18 that plastic pellet is carried out the dismouting and is collected.

The utility model discloses in, collecting box 18 is fixed to be set up between two limiting plates 16, backup pad 13 and fixed plate 17.

The utility model discloses in, fixed plate 17 slip cap is established in spout 25, can lead to fixed plate 17, makes more stable smooth and easy that it removed.

The utility model discloses in, equal fixedly connected with hot plate 20 on the top inner wall of extrusion cylinder 2 and the bottom inner wall is convenient for heat the plastic materials.

The utility model discloses in, go-between 5's outside screw thread is provided with four clamping screw 6, and go-between 5 is in the outside of extruding cylinder 2 through the fixed setting of four clamping screw 6, through the setting of go-between 5 and clamping screw 6, is convenient for carry out the dismouting to collar 7 and extrusion tooling 8 to change extrusion tooling 8 of corresponding specification according to granulation diameter's difference.

In the utility model, in operation, pour the plastics raw materials into extrusion cylinder 2, through hot plate 20, can heat the raw materials hot melt, the rotation of extrusion screw 19 and connecting axle 4 has been driven through motor 3, extrusion screw 19 can extrude the plastics raw materials of hot melt to the shaping hole in extrusion die 8, and then can form the plastic strip, through circulating pump 21 in the cooling mechanism, can take out the cold water in water tank 14 to inlet tube 22 and cooling chamber 27, through the cold water that flows, can cool the plastic strip just extruded fast and efficiently, be favorable to the later stage and cut grain operation, cold water heat absorption flows into heat exchanger 15 from back flow 23, through heat exchanger 15, can refrigerate hot water and flow into water tank 14, so that circulating pump 21 continues to extract, and then can recycle the water resource, connecting axle 4 has driven the rotation of square pole 10, under the joint of square pole 10 and square groove 26, square pole 10 has driven the rotation of axis of rotation 9 and cutting knife 11, and then can cut the good cooled plastic strip, under the direction of guide plate 12, the particle flows into the collecting box 18, the particle collecting box 18, when the plastic strip moves into the fixed plate 17 that can be pressed down the fixed plate 18, and the fixed plate 18 can be moved to the fixed on the collecting box, thereby can be moved to the fixed plate 18, and can be moved to the fixed plate 17 when the plastic strip can be moved to the fixed on the fixed plate 18, and can be moved to the fixed plate 18, when the plastic strip can be moved to the collection box, and can be moved to the fixed plate 18, through the setting of go-between 5 and clamping screw 6, be convenient for carry out the dismouting to collar 7 and extrusion tooling 8 to extrusion tooling 8 of corresponding specification is changed according to the difference of granulation diameter.

Claims

1. The utility model provides a mechanism is collected to screw extruder's plastic pellet, its characterized in that, includes base (1) and the fixed extrusion cylinder (2) that sets up at base (1) top, the fixed intercommunication in one side of extrusion cylinder (2) has motor (3), fixedly connected with extrusion screw (19) on the output shaft of motor (3), the one end fixedly connected with connecting axle (4) of extrusion screw (19), the one end fixedly connected with square pole (10) of connecting axle (4), one side detachable fixedly connected with go-between (5) of extrusion cylinder (2), fixed cover has connect collar (7) in go-between (5), fixedly connected with extrusion tooling (8) in collar (7), extrusion tooling (8) internal rotation is provided with axis of rotation (9), the one end fixedly connected with cutting knife (11) of axis of rotation (9), square groove (26) have been seted up to the one end of axis of rotation (9), square pole (10) activity joint is in square groove (26), be provided with cooling mechanism between collar (7) and base (1), the top of base (1) is provided with collection mechanism.

2. The plastic particle collecting mechanism of a screw extruder according to claim 1, wherein the cooling mechanism comprises a water tank (14) fixedly arranged on the base (1), the top of the water tank (14) is fixedly communicated with a heat exchanger (15) and a circulating pump (21), a cooling cavity (27) is formed in the mounting ring (7), a water inlet pipe (22) is fixedly communicated between the circulating pump (21) and the cooling cavity (27), and a return pipe (23) is fixedly communicated between the cooling cavity (27) and the heat exchanger (15).

3. A plastic particle collecting mechanism for a screw extruder according to claim 2, wherein said water inlet pipe (22) is connected to said circulating pump (21) via a flange, and said return pipe (23) is connected to said heat exchanger (15) via a flange.

4. The plastic particle collecting mechanism of the screw extruder according to claim 1, wherein the top of the base (1) is provided with a chute (25), the collecting mechanism comprises a supporting plate (13) and two limiting plates (16) which are fixedly arranged on the top of the base (1), a collecting box (18) which is movably arranged on the top of the base (1), and a return spring (24) which is fixedly arranged on the inner wall of the bottom of the chute (25), the top of the supporting plate (13) is fixedly connected with a guide plate (12), the collecting box (18) is movably arranged between the two limiting plates (16) and the supporting plate (13), the top of the return spring (24) is fixedly connected with a fixing plate (17), and one side of the fixing plate (17) is movably abutted against one side of the collecting box (18).

5. A plastic particle collecting mechanism of a screw extruder according to claim 4, characterized in that the collecting box (18) is fixedly arranged between two limiting plates (16), a supporting plate (13) and a fixing plate (17).

6. The plastic particle collecting mechanism of the screw extruder according to claim 4, wherein the fixing plate (17) is slidably fitted in the sliding groove (25).

7. The plastic particle collecting mechanism of a screw extruder according to claim 1, wherein the heating plates (20) are fixedly connected to the top inner wall and the bottom inner wall of the extruding cylinder (2).

8. The plastic particle collecting mechanism of the screw extruder according to claim 1, wherein the outer thread of the connecting ring (5) is provided with four fixing screws (6), and the connecting ring (5) is fixedly arranged on the outer side of the extruding cylinder (2) through the four fixing screws (6).