CN117841284B - Plastic particle feeding device - Google Patents
Plastic particle feeding device Download PDFInfo
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- CN117841284B CN117841284B CN202410264127.8A CN202410264127A CN117841284B CN 117841284 B CN117841284 B CN 117841284B CN 202410264127 A CN202410264127 A CN 202410264127A CN 117841284 B CN117841284 B CN 117841284B
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- feeding device
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- 239000004033 plastic Substances 0.000 title claims abstract description 69
- 229920003023 plastic Polymers 0.000 title claims abstract description 69
- 239000002245 particle Substances 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000010137 moulding (plastic) Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 7
- -1 polypropylene Polymers 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the technical field of plastic molding, in particular to a plastic particle feeding device, which comprises a feeding device; the feeding device is arranged on a material pipe of the extruder; a screw is arranged in the material pipe; the feeding device comprises a charging barrel; the top of the charging barrel is fixedly connected with a mounting plate; an electric telescopic rod is fixedly connected to the mounting plate; the bottom of the electric telescopic rod is fixedly connected with an n-shaped frame; the bottom of the n-shaped frame is rotatably connected with a rotating rod; the surface of the outer ring of the rotating rod is fixedly connected with a semicircular plate which is uniformly arranged; the front side and the rear side of the n-shaped frame are provided with half cone cylinders; the cambered surface top ends of the opposite sides of the two half conical cylinders are respectively connected with a fixed block in a rotating way, and the other ends of the fixed blocks are arranged on the inner surface of the charging barrel; the cambered surfaces on the opposite sides of the two half cone cylinders are fixedly connected with elastic sheets; the invention is mainly used for solving the problem that the material pipe has waste heat, can heat plastic particles falling into the material pipe, soften the plastic particles into a bulk shape and are adhered to the screw rod.
Description
Technical Field
The invention belongs to the technical field of plastic molding, and particularly relates to a plastic particle feeding device.
Background
The plastic particles refer to granular plastic, and common plastic particles include general plastic, engineering plastic and special plastic. General purpose plastic: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, and the like. Engineering plastics: nylon, polytetrafluoroethylene, polyoxymethylene, polycarbon silicone, and the like.
Injection molding is a method for producing and shaping industrial products. The product is usually injection molded by plastic, wherein plastic particles are the most commonly used material in plastic injection molding, and the plastic particles are firstly hot melted by an injection molding machine and then are injected into a molding die to prepare plastic products with various shapes;
The specific flow is as follows: introducing plastic particles into a charging barrel of an injection molding machine, then enabling the plastic particles in the charging barrel to fall into a material pipe on the injection molding machine for hot melting, and then injecting the hot melted plastic particles into a mold for molding through a screw;
However, after the injection molding machine completes injection molding and stops, part of plastic particles in the charging barrel still fall into the charging pipe at the moment, and the charging pipe has waste heat, so that the plastic particles falling into the charging pipe can be heated, softened into a bulk shape and adhered to the screw rod, and when the charging pipe works again, the heated charging pipe cannot thoroughly melt the adhered raw materials on the screw rod, so that the addition of new materials can be hindered.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the technical problems, the invention provides a plastic particle feeding device.
A plastic particle feeding device, comprising a feeding device; the feeding device is arranged on a material pipe of the extruder; a screw is arranged in the material pipe; a feed inlet is formed in the material pipe;
the feeding device comprises a charging barrel, and the charging barrel is arranged on the material pipe and is communicated with the feeding hole; the bottom of the charging barrel is conical, and the charging barrel is used for placing plastic particles;
The top of the charging barrel is fixedly connected with a mounting plate, and the mounting plate is parallel to the material pipe; an electric telescopic rod is fixedly connected to the mounting plate and can extend into the charging barrel; the bottom of the electric telescopic rod is fixedly connected with an n-shaped frame;
the bottom of the n-shaped frame is rotatably connected with a rotating rod; the surface of the outer ring of the rotating rod is fixedly connected with a semicircular plate which is uniformly arranged; a stepped groove is formed in the charging barrel;
The front side and the rear side of the n-shaped frame are respectively provided with a half cone, and the two half cones are mutually attached in an initial state to form a complete cone; a space exists between the half cone and the inner surface of the charging barrel;
The cambered surface top ends of the opposite sides of the two half conical cylinders are respectively connected with a fixed block in a rotating way, and the other ends of the fixed blocks are arranged on the inner surface of the charging barrel; the fixed block is positioned below the step groove;
And the cambered surfaces on the opposite sides of the two half cone cylinders are fixedly connected with elastic pieces, and the other ends of the elastic pieces are contacted with the inner surface of the charging barrel.
Preferably, the front side and the rear side of the rotating rod are provided with sliding grooves; a T-shaped rod is connected in the two sliding grooves in a sliding way, and one end of the T-shaped rod extends out of the sliding groove; one end surface of each T-shaped rod extending out of the chute is fixedly connected with a sphere, and the spheres extend to be in contact with the half cone; limiting grooves are formed in the surfaces, close to the spheres, of the two half cone cylinders, and the cross sections of the limiting grooves are C-shaped; the spheres are all positioned in the limiting grooves and are in sliding connection with the limiting grooves;
The two T-shaped rods are fixedly connected with springs on the end faces of one side, close to each other, of each T-shaped rod, the springs are sleeved on the T-shaped rods and extend to one side of the sphere, one end, extending towards the sphere, of each spring is located in the corresponding sliding groove, and when the T-shaped rods extend out of the corresponding sliding grooves, the springs are limited in the corresponding sliding grooves and are compressed by the corresponding T-shaped rods;
A slideway is arranged on the surface of the inner ring of the charging barrel; both the fixed blocks slide in the corresponding slide ways.
Preferably, an annular layer is fixedly connected to the surface of the inner ring of the charging barrel above the stepped groove, and the annular layer is made of elastic rubber materials;
The annular layer has a certain ductility; the lower end of the annular layer extends into the two opposite half cone cylinders and is fixedly connected with the surfaces of the inner rings of the two opposite half cone cylinders;
the two end faces attached to each other in the initial state of the half cone are fixedly connected with connecting layers, and the connecting layers are made of elastic rubber materials and have certain ductility.
Preferably, a rotating shaft is rotatably connected to the n-shaped frame above the rotating rod; the stirring rods which are uniformly arranged are fixedly connected to the rotating shaft; the tail ends of the stirring rods are fixedly connected with stirring plates;
The stirring rod is of a telescopic design.
The beneficial effects of the invention are as follows:
1. According to the plastic particle feeding device, the plurality of semicircular plates are driven to rotate by the screw, the rotating semicircular plates can continuously bring plastic particles into the material pipe, and the rotating speed of the semicircular plates is determined by the rotating speed of the screw.
2. According to the plastic particle feeding device, the semicircular plate between the two half cone barrels is controlled to move upwards, and the semicircular plate is enabled to move upwards into the half cone barrels, so that the two mutually separated half cone barrels are attached again, plastic particles can be blocked in the two mutually attached half cone barrels, the plastic particles are prevented from continuously falling into the material barrel, in the process, part of the plastic particles can be prevented from falling into the material barrel, melting is carried out under the condition of waste heat, and the plastic particles are attached to the screw after solidification, so that new plastic particles are blocked.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is an exploded view of the feeder device of the present invention;
FIG. 3 is a view showing the structure of the feeding device in the initial state of the invention;
FIG. 4 is a top view of the feed device of the present invention in its initial state;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at B;
FIG. 7 is a cross-sectional view taken at C-C of FIG. 4;
FIG. 8 is a partial enlarged view at D in FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 7 at E;
FIG. 10 is a block diagram of the present invention with a feeder being discharged;
FIG. 11 is a top view of the feeder of the present invention as it discharges;
FIG. 12 is a cross-sectional view taken at F-F in FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 12 at G;
FIG. 14 is a cross-sectional view taken at H-H of FIG. 11;
FIG. 15 is an enlarged view of a portion of FIG. 14 at I;
fig. 16 is a partial enlarged view at J in fig. 14.
In the figure: 1. a material pipe; 11. a screw; 2. a charging barrel; 21. a mounting plate; 22. an electric telescopic rod; 23. a stepped groove; 24. a slideway; 25. an annular layer; 3. an n-shaped frame; 31. a rotating rod; 32. a semicircular plate; 33. a chute; 34. a T-bar; 35. a sphere; 36. a rotating shaft; 37. a stirring rod; 38. stirring plates; 4. a half cone; 41. a fixed block; 42. a spring plate; 43. a limit groove; 44. and a connection layer.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 16, a plastic particle feeding device according to the present invention;
examples
Comprises a feeding device; the feeding device is arranged on a material pipe 1 of the extruder; a screw 11 is arranged in the material pipe 1; a feed inlet is formed in the material pipe 1;
The feeding device comprises a charging barrel 2, and the charging barrel 2 is arranged on the material pipe 1 and is communicated with a feeding port; the bottom of the charging barrel 2 is conical, and the charging barrel 2 is used for placing plastic particles;
the top of the charging barrel 2 is fixedly connected with a mounting plate 21, and the mounting plate 21 is parallel to the material pipe 1; an electric telescopic rod 22 is fixedly connected to the mounting plate 21, and the electric telescopic rod 22 can extend into the charging barrel 2; the bottom of the electric telescopic rod 22 is fixedly connected with an n-shaped frame 3;
The bottom of the n-shaped frame 3 is rotatably connected with a rotating rod 31; the outer ring surface of the rotating rod 31 is fixedly connected with a semicircular plate 32 which is uniformly arranged; a stepped groove 23 is formed in the charging barrel 2;
The front side and the rear side of the n-shaped frame 3 are respectively provided with a half cone 4, and the two half cones 4 are mutually attached in an initial state to form a complete cone; a space exists between the half cone 4 and the inner surface of the charging barrel 2;
The cambered surface top ends of the two opposite sides of the half cone 4 are respectively and rotatably connected with a fixed block 41, and the other end of the fixed block 41 is arranged on the inner surface of the charging barrel 2; the fixed block 41 is positioned below the step groove 23;
The elastic sheet 42 is fixedly connected to the cambered surfaces of the opposite sides of the two half cone cylinders 4, and the other end of the elastic sheet 42 is contacted with the inner surface of the charging barrel 2;
When the extruder needs to work, at the moment, plastic particles are led into the feed cylinder 2, the plastic particles entering the feed cylinder 2 can fall into a complete conical cylinder formed by combining two opposite half conical cylinders 4, then the electric telescopic rod 22 is controlled to extend, in the extending process of the electric telescopic rod 22, the n-shaped frame 3 can be pushed to move downwards in the two opposite half conical cylinders 4, meanwhile, the n-shaped frame 3 can drive the rotating rod 31 and the semicircular plate 32 on the rotating rod 31 to move downwards, the semicircular plate 32 moving downwards is gradually close to the inner surface of the bottom of the half conical cylinder 4, when the semicircular plate 32 is contacted with the inner surface of the bottom of the half conical cylinder 4, at the moment, the electric telescopic rod 22 continuously pushes the semicircular plate 32 to move downwards, in the continuous moving process of the semicircular plate 32, the two half cone cylinders 4 at the front side and the rear side of the semicircular plate 32 are gradually extruded, so that the two half cone cylinders 4 respectively rotate to the opposite sides by taking the fixed blocks 41 on the half cone cylinders 4 as circle centers, when the two half cone cylinders 4 rotate to the opposite sides, the two half cone cylinders 4 are not attached, a space is generated between the two half cone cylinders 4, the two half cone cylinders 4 simultaneously extrude the elastic sheet 42, the elastic sheet 42 is deformed, the semicircular plate 32 continuously moves downwards, the semicircular plate 32 moves downwards between the two half cone cylinders 4 after rotation, the lowest end of the semicircular plate 32 is lower than the lowest end of the half cone cylinders 4, then the semicircular plate 32 moves into the charging cylinder 2 and is intersected with the screw 11, and then the electric telescopic rod 22 is controlled to stop extending, and the screw 11 is controlled to rotate;
In the process of circularly rotating the screw 11, the semicircular plates 32 are pushed to rotate by taking the rotating rod 31 as the center of a circle, when one semicircular plate 32 is pushed to be staggered with the screw 11 by the rotating screw 11, the next semicircular plate 32 is intersected with the rotating screw 11, so that different semicircular plates 32 can be continuously pushed to rotate by the screw 11, the semicircular plates 32 can drive the rotating rod 31 to rotate in the n-shaped frame 3, meanwhile, when the semicircular plates 32 are rotated, plastic particles in the conical cylinder can be pushed to move downwards, then the plastic particles can fall into the feed cylinder 2 and are pushed away by the screw 11, in the process, the rotating semicircular plates 32 can continuously bring the plastic particles into the feed cylinder 1 by pushing the rotating screw 11, and as the rotating speed of the semicircular plates 32 is determined by the rotating speed of the screw 11, when the rotating speed of the screw 11 is increased, the rotating semicircular plates 32 can be accelerated, so that more plastic particles are pushed into the feed cylinder 1, when the rotating speed of the screw 11 is reduced, the rotating speed of the semicircular plates 11 is reduced, the plastic particles can be reduced in the feed cylinder 1 according to the fact that the rotating speed of the screw 11 is reduced, and the plastic particles can fall into the feed cylinder 1, and the feed cylinder 1 is reduced according to the fact that the rotating speed of the screw 11 is reduced, and the rotating speed of the rotating particles can be reduced;
when the extruder works, the electric telescopic rod 22 is controlled to shrink at the moment, the n-shaped frame 3 and the rotating rod 31 and the semicircular plate 32 on the n-shaped frame 3 are driven to move upwards in the shrinking process of the electric telescopic rod 22, the semicircular plate 32 moves upwards between the two half cone cylinders 4 at the moment, when the semicircular plate 32 moves to the inside of the half cone cylinders 4, the two half cone cylinders 4 are mutually attached again under the action of the elastic sheet 42 at the moment, so that plastic particles in the mutually attached half cone cylinders 4 can be prevented from continuously blanking, then the plastic particles remained in the material pipe 1 are pushed out from the material pipe 1 by the screw 11, and then the extruder can be stopped;
In the process, the semicircular plate 32 between the two half cone cylinders 4 is controlled to move upwards, and the semicircular plate 32 is enabled to move upwards into the half cone cylinders 4, so that the two half cone cylinders 4 which are separated from each other are attached again, plastic particles can be blocked in the two half cone cylinders 4 which are attached to each other, the plastic particles are prevented from continuously falling into the charging barrel 2, in the process, part of the plastic particles can be prevented from falling into the charging barrel 2, melting occurs under the condition of waste heat, and the plastic particles are attached to the screw 11 after solidification, so that the addition of new plastic particles is blocked.
Examples
The front side and the rear side of the rotating rod 31 are provided with sliding grooves 33; a T-shaped rod 34 is slidably connected in each of the two sliding grooves 33, and one end of the T-shaped rod 34 extends out of the sliding groove 33; one end surface of each T-shaped rod 34 extending out of the chute 33 is fixedly connected with a sphere 35, and the spheres 35 extend to be in contact with the half cone 4; the surfaces of the two half cone cylinders 4 close to the sphere 35 are provided with limiting grooves 43, and the cross section of each limiting groove 43 is C-shaped; the spheres 35 are all positioned in the limiting grooves 43 and are in sliding connection with the limiting grooves 43;
The two T-shaped rods 34 are fixedly connected with springs on the end surfaces of one side, close to each other, of each T-shaped rod 34, the springs are sleeved on the T-shaped rods 34 and extend to one side of the sphere 35, one end, extending towards the sphere 35, of each spring is located in the corresponding sliding groove 33, and when the T-shaped rods 34 extend out of the corresponding sliding grooves 33, the springs are limited in the corresponding sliding grooves 33 and are compressed by the corresponding T-shaped rods 34;
A slideway 24 is arranged on the surface of the inner ring of the charging barrel 2; both of the fixed blocks 41 slide in the corresponding slide 24;
When the T-shaped rod 34 in the chute 33 slides in the limit groove 43, when the n-shaped frame 3 drives the rotary rod 31 to move downwards, the rotary rod 31 drives the T-shaped rod 34 to move downwards, meanwhile, the T-shaped rod 34 drives the ball 35 to move downwards in the limit groove 43, when the ball 35 moves downwards in the limit groove 43, the T-shaped rod 34 is pushed to slide in the chute 33 towards the bottom of the chute 33, when the semicircular plate 32 is contacted with the inner surface of the bottom of the half cone 4, the T-shaped rod 34 is just attached to the bottom of the chute 33, when the rotary rod 31 moves downwards again, the two half cones 4 are separated, and the T-shaped rod 34 slides in the chute 33 and adapts to the distance between the two half cones 4 because of the distance increase between the two half cones 4;
When the n-shaped frame 3 drives the rotating rod 31 to move upwards, the rotating rod 31 is driven to move upwards at the moment, meanwhile, the rotating rod 31 drives the T-shaped rod 34 in the sliding groove 33 to move upwards, the T-shaped rod 34 drives the sphere 35 to move upwards in the limiting groove 43, when the semicircular plate 32 moves upwards to the inside of the two half cone cylinders 4 and the semicircular plate 32 is attached to the inner surfaces of the bottoms of the two half cone cylinders 4, the T-shaped rod 34 is attached to the bottom of the sliding groove 33, the T-shaped rod 34 drives the sphere 35 to gradually move upwards in the limiting groove 43 along with the continuous upward movement of the rotating rod 31, the T-shaped rod 34 gradually extends out of the sliding groove 33 and compresses a spring on the T-shaped rod 34, after the spring is compressed, the two half cone cylinders 4 are pulled to be close to each other, so that the two half cone cylinders 4 are attached better, plastic particles are blocked, after the sphere 35 moves upwards to the top of the limiting groove 43, the spring on the T-shaped rod 34 is compressed to the limiting position, the half cone cylinders 4 can be pulled up, the plastic particles can be blocked by the T-shaped rod 34, the degree of the plastic particles can be further improved, and the plastic particles can be prevented from falling into the plastic particles 2 better;
When the ball 35 moves up to the top of the limit groove 43, the n-shaped frame 3 is controlled to move up continuously, so that the rotating rod 31, the T-shaped rod 34 and the ball 35 are driven to move up, in the process of moving up the ball 35, the two integrally attached half cone cylinders 4 are pushed to move up, in the process of moving up the half cone cylinders 4, the two fixing blocks 41 on the two half cone cylinders 4 are driven to move up in the slide way 24, when the fixing blocks 41 move up to the top of the slide way 24, the electric telescopic rod 22 stops shrinking, the ball 35 is controlled to drive the two half cone cylinders 4 to move up, the distance between the half cone cylinders 4 and the material pipe 1 can be increased, and therefore waste heat in the material cylinder 2 heats plastic particles of the half cone cylinders 4, and plastic particles in the half cone cylinders 4 are prevented from softening.
Examples
An annular layer 25 is fixedly connected to the surface of the inner ring of the charging barrel 2 above the stepped groove 23, and the annular layer 25 is made of elastic rubber material;
The annular layer 25 has a certain ductility; the lower ends of the annular layers 25 extend into the two opposite half cone cylinders 4 and are fixedly connected with the surfaces of the inner rings of the two opposite half cone cylinders 4; the connecting layers 44 are fixedly connected to the end surfaces of the two half cone cylinders 4 which are attached to each other in the initial state, and the connecting layers 44 are made of elastic rubber materials and have certain ductility;
When the device works, as the other side of the annular layer 25 fixedly connected to the inner ring surface of the charging barrel 2 is fixedly connected to the inner ring surfaces of the two opposite half-cone barrels 4, when plastic particles fall into the two opposite half-cone barrels 4, the annular layer 25 can block the plastic particles, so that the plastic particles are prevented from falling into a gap between the half-cone barrels 4 and the charging barrel 2, meanwhile, as the connecting layer 44 is fixedly connected between the two opposite half-cone barrels 4, the plastic particles in the half-cone barrels 4 can be blocked by the connecting layer 44, the plastic particles are prevented from falling from the gap between the two separated half-cone barrels 4, and only the plastic particles fall from the gap at the bottom of the two separated half-cone barrels 4;
because the annular layer 25 and the connecting layer 44 have certain extensibility, when the two half cones 4 are rotationally separated, the annular layer 25 and the connecting layer 44 are stretched, so that the annular layer 25 and the connecting layer 44 are prevented from being incapable of being stretched, and the separation process of the two cone cones is affected.
Examples
A rotating shaft 36 is rotatably connected to the n-shaped frame 3 above the rotating rod 31; the rotating shaft 36 is fixedly connected with stirring rods 37 which are uniformly arranged; the tail ends of the stirring rods 37 are fixedly connected with stirring plates 38; the stirring rod 37 is of a telescopic design;
When the semicircular plate 32 rotates, the stirring rod 37 is driven to rotate, the stirring rod 37 drives the stirring plate 38 to rotate, and in the process of rotation of the stirring plate 38, plastic particles in the half cone 4 can be stirred, so that the plastic particles are stirred to one side of the semicircular plate 32, and the stirring rod 37 is telescopic, so that the stirring plate 38 can be better adapted to the shape of the half cone 4 during rotation.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A plastic particle feeding device, comprising a feeding device; the feeding device is arranged on a material pipe (1) of the extruder; a screw (11) is arranged in the material pipe (1); a feed inlet is formed in the material pipe (1);
the method is characterized in that: the feeding device comprises a charging barrel (2), and the charging barrel (2) is arranged on the material pipe (1) and is communicated with the feeding port; the bottom of the charging barrel (2) is conical, and the charging barrel (2) is used for placing plastic particles;
The top of the charging barrel (2) is fixedly connected with a mounting plate (21), and the mounting plate (21) is parallel to the material pipe (1); an electric telescopic rod (22) is fixedly connected to the mounting plate (21), and the electric telescopic rod (22) can extend into the charging barrel (2); the bottom of the electric telescopic rod (22) is fixedly connected with an n-shaped frame (3);
The bottom of the n-shaped frame (3) is rotatably connected with a rotating rod (31); the surface of the outer ring of the rotating rod (31) is fixedly connected with a semicircular plate (32) which is uniformly arranged; a stepped groove (23) is formed in the charging barrel (2);
The front side and the rear side of the n-shaped frame (3) are respectively provided with a half cone (4), and the two half cones (4) are mutually attached in an initial state to form a complete cone; a space exists between the half cone (4) and the inner surface of the charging barrel (2);
The cambered surface top ends of the two half conical barrels (4) on the opposite sides are respectively connected with a fixed block (41) in a rotating way, and the other ends of the fixed blocks (41) are arranged on the inner surface of the charging barrel (2); the fixed block (41) is positioned below the step groove (23);
An elastic sheet (42) is fixedly connected to the cambered surfaces of the opposite sides of the two half cone cylinders (4), and the other end of the elastic sheet (42) is contacted with the inner surface of the charging barrel (2);
The front side and the rear side of the rotating rod (31) are provided with sliding grooves (33); a T-shaped rod (34) is slidably connected in each of the two sliding grooves (33), and one end of the T-shaped rod (34) extends out of the sliding groove (33); one end surface of each T-shaped rod (34) extending out of the chute (33) is fixedly connected with a sphere (35), and the spheres (35) extend to be in contact with the half cone (4); the surfaces of the two half cone cylinders (4) close to the sphere (35) are provided with limiting grooves (43), and the cross section of each limiting groove (43) is C-shaped; the spheres (35) are all positioned in the limiting grooves (43) and are in sliding connection with the limiting grooves (43);
The two T-shaped rods (34) are fixedly connected with springs on the end faces of one side, close to each other, of each T-shaped rod (34), the springs are sleeved on the T-shaped rods (34) and extend to one side of the sphere (35), one end, extending towards the sphere (35), of each spring is located in the corresponding sliding groove (33), and when the T-shaped rods (34) extend out of the corresponding sliding grooves (33), the springs are limited in the corresponding sliding grooves (33) and are compressed by the corresponding T-shaped rods (34);
A slideway (24) is arranged on the surface of the inner ring of the charging barrel (2); both the fixed blocks (41) slide in the corresponding slide ways (24);
an annular layer (25) is fixedly connected to the surface of the inner ring of the charging barrel (2) above the stepped groove (23), and the annular layer (25) is made of elastic rubber materials;
-said annular layer (25) has a certain extensibility; the lower end of the annular layer (25) extends into the two opposite half cone cylinders (4) and is fixedly connected with the surfaces of the inner rings of the two opposite half cone cylinders (4);
the two semi-cone cylinders (4) are fixedly connected with the connecting layers (44) on the end faces attached to each other in the initial state, and the connecting layers (44) are made of elastic rubber materials and have certain ductility.
2. A plastic particle feeding device according to claim 1, wherein: a rotating shaft (36) is rotatably connected to the n-shaped frame (3) above the rotating rod (31); stirring rods (37) which are uniformly arranged are fixedly connected to the rotating shaft (36); the tail ends of the stirring rods (37) are fixedly connected with stirring plates (38).
3. A plastic particle feeding device according to claim 2, wherein: the stirring rod (37) is of a telescopic design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410264127.8A CN117841284B (en) | 2024-03-08 | 2024-03-08 | Plastic particle feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410264127.8A CN117841284B (en) | 2024-03-08 | 2024-03-08 | Plastic particle feeding device |
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| Publication Number | Publication Date |
|---|---|
| CN117841284A CN117841284A (en) | 2024-04-09 |
| CN117841284B true CN117841284B (en) | 2024-05-24 |
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| CN202410264127.8A Active CN117841284B (en) | 2024-03-08 | 2024-03-08 | Plastic particle feeding device |
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