CN113977859A

CN113977859A - Feeding system of injection molding machine

Info

Publication number: CN113977859A
Application number: CN202111340014.4A
Authority: CN
Inventors: 肖小华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-01-28

Abstract

The invention belongs to the field of plastic production, and relates to an injection molding machine feeding system which comprises a shell, wherein an upper cover is arranged on the upper side of the shell in a sliding mode, a first feeding hole is fixedly formed in the left side of the upper side of the shell, a second feeding hole is fixedly formed in the right side of the upper cover, a motor is fixedly arranged in the center of the upper side of the upper cover, supporting columns are fixedly arranged on the front, the back, the left and the right of the lower side of the shell respectively, and a preheating pipeline is fixedly arranged on the lower side of the shell. According to the invention, two types of plastic particles can be fully and uniformly mixed by arranging the plurality of stirring devices, and the iron scraps are adsorbed by the electromagnet, so that the iron scraps mixed in the plastic particles can be effectively separated, the purity of the plastic particles is ensured, the influence of the iron scraps on the plastic product after injection molding and the damage to an injection molding machine are avoided, the feeding speed of the plastic particles can be controlled, the plastic particles are preheated, and the heating port can be prevented from being blocked.

Description

Feeding system of injection molding machine

Technical Field

The invention belongs to the field of plastic production, and particularly relates to a feeding system of an injection molding machine.

Background

It is known that along with the continuous development of economy and society in China, the living standard of people is continuously improved, so that the demand of China on injection molding machines is higher and higher, the injection molding machines are also named as injection molding machines or injection machines, the injection molding machines are main molding equipment for manufacturing plastic products with various shapes by utilizing plastic molding dies, and are divided into vertical type, horizontal type and full-electric type, the injection molding machines can heat plastic materials, apply high pressure to molten plastic materials to enable the molten plastic materials to be injected and fill die cavities, the injection molding machines are processing machines with the largest use amount in the plastic processing industry, not only a large number of products can be directly produced by the injection molding machines, but also key equipment forming an injection stretch blow molding process, however, most of the existing injection molding machines can only process one type of plastic, and the common scrap iron in plastic particles is mixed with the scrap iron, if the scrap iron is not timely cleaned out, the quality and the service performance of the products can be influenced if the scrap iron is directly added into the injection molding machines, but also can cause damage to the injection molding machine, thereby affecting the service life of the injection molding machine, and simultaneously, the feeding pipe is easy to block due to too fast feeding.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a feeding system of an injection molding machine, which can fully mix two plastic particles, can remove scrap iron in the plastic particles and simultaneously preheat the plastic particles to avoid blocking a heating pipeline of the injection molding machine.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an injection molding machine charge-in system, includes the casing, the casing upside slides and is equipped with the upper cover, the fixed first feed inlet that is equipped with in top left side, the fixed second feed inlet that is equipped with in upper cover top right side, the fixed motor that is equipped with in upper cover side center, the casing downside is fixed respectively all around and is equipped with the support column, the fixed pipeline that preheats that is equipped with of casing downside.

Preferably, the inner side of the motor is provided with a stirring cavity, the output end of the lower side of the motor is provided with a motor shaft, the motor shaft is internally provided with an iron scrap collecting cavity, the lower side of the iron scrap collecting cavity is slidably provided with an iron scrap outlet baffle, the front side of the motor shaft is fixedly provided with five first rotating shaft seats, the inner side of each first rotating shaft seat is fixedly provided with a first rotating shaft, the front side of the motor shaft is rotatably provided with five first stirring rods, each first stirring rod is internally provided with a first rod cavity, the lower side of each first rod cavity is fixedly provided with a first electromagnet, the left end and the right end of the rear side of each first rod cavity are respectively fixedly provided with a first connecting plate, each first connecting plate is rotatably connected with each first rotating shaft, the front side of the motor shaft is fixedly provided with five first hydraulic cylinders, the front side of each first hydraulic cylinder is slidably provided with a first hydraulic rod, and each first hydraulic rod is fixed with the lower side of each first stirring rod, the front side of the motor shaft is provided with five first scrap iron inlets.

Preferably, the rear side of the motor shaft is fixedly provided with five second rotary shaft seats, a second rotary shaft is fixedly arranged on the inner side of each second rotary shaft seat, the front side of the motor shaft is rotatably provided with five second stirring rods, each second stirring rod is internally provided with a second rod cavity, a second electromagnet is fixedly arranged on the lower side of each second rod cavity, a second connecting plate is fixedly arranged at each of the left end and the right end of the front side of each second rod cavity, each second connecting plate is rotatably connected with each second rotary shaft, five second hydraulic cylinders are fixedly arranged on the rear side of the motor shaft, a second hydraulic rod is movably arranged on the front side of each second hydraulic cylinder, each second hydraulic rod is fixed with the lower side of each second stirring rod, and five fourth rotary shaft seats are arranged on the rear side of the motor shaft.

Preferably, five third rotating shaft seats are fixedly arranged on the left side of the motor shaft, a third rotating shaft is fixedly arranged on the inner side of each third rotating shaft seat, five third stirring rods are rotatably arranged on the front side of the motor shaft, a third rod cavity is arranged in each third stirring rod, a third electromagnet is fixedly arranged on the lower side of each third rod cavity, a third connecting plate is fixedly arranged at each of the left end and the right end of each third rod cavity, each third connecting plate is rotatably connected with each third rotating shaft, five third hydraulic cylinders are fixedly arranged on the left side of the motor shaft, a third hydraulic rod is slidably arranged on the left side of each third hydraulic cylinder, each third hydraulic rod is fixed with each lower side of each third stirring rod, and five third scrap inlets are formed in the left side of the motor shaft.

Preferably, five fourth rotating shaft seats are fixedly arranged on the right side of the motor shaft, a fourth rotating shaft is fixedly arranged on the inner side of each fourth rotating shaft seat, five fourth stirring rods are rotatably arranged on the right side of the motor shaft, a fourth rod cavity is arranged in each fourth stirring rod, a fourth electromagnet is fixedly arranged on the lower side of each fourth rod cavity, a fourth connecting plate is fixedly arranged at each of the left end and the right end of each fourth rod cavity, each fourth connecting plate is rotatably connected with each fourth rotating shaft, five fourth hydraulic cylinders are fixedly arranged on the right side of the motor shaft, a fourth hydraulic rod is slidably arranged on the right side of each fourth hydraulic cylinder, each fourth hydraulic rod is fixed to the lower side of each fourth stirring rod, and five fourth scrap iron inlets are formed in the right side of the motor shaft.

Preferably, four connecting rods are fixedly arranged on the lower side of the motor shaft, a conveying shaft seat is fixedly arranged on the lower side of each connecting rod, a conveying shaft is fixedly arranged on the lower side of each conveying shaft seat, conveying blades are fixedly arranged on the outer side of each conveying shaft, each conveying blade is rotatably connected with the preheating pipeline, and five heating devices are fixedly arranged on the outer side of the preheating pipeline.

When only a plastic granules, can put into the stirring chamber through second feed inlet and any one feed inlet of first feed inlet, when two kinds of plastic granules, the starter motor earlier, the motor will drive the motor shaft rotation this moment, thereby drive the second puddler, first puddler, fourth puddler and third puddler fast revolution, at this moment with these two kinds of plastic granules respectively from the even pouring of second feed inlet and first feed inlet, two kinds of different plastic granules will get into the stirring intracavity this moment, then at the second puddler, first puddler, continuous mixing under fourth puddler and the quick stirring of third puddler, so not only can add two kinds of different plastic granules simultaneously, and can make its abundant mixing, the uneven condition of mixing can not appear.

The first electromagnet, the second electromagnet, the third electromagnet and the fourth electromagnet are started when the plastic particles are added, at the moment, the second stirring rod, the first stirring rod, the fourth stirring rod and the third stirring rod continuously rotate and stir, so that scrap iron in the plastic particles is adsorbed in the first rod cavity, the second rod cavity, the fourth rod cavity and the third rod cavity, when the plastic particles are mixed, the motor is turned off, the motor shaft stops rotating at the moment, the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder and the fourth hydraulic cylinder are started, at the moment, the first hydraulic rod, the second hydraulic rod, the third hydraulic rod and the fourth hydraulic rod respectively jack up the first stirring rod, the second stirring rod, the third stirring rod and the fourth stirring rod, so that the first stirring rod, the second stirring rod, the third stirring rod and the fourth stirring rod incline upwards by a certain angle, at the moment, the first electromagnet is turned off, the second electromagnet, the third electromagnet and the fourth electromagnet are turned off, The second electro-magnet, third electro-magnet and fourth electro-magnet, thereby make iron fillings import to first iron fillings, the import of second iron fillings, third iron fillings import and fourth iron fillings import internal slipping, thereby make iron fillings get into iron fillings and collect the intracavity, it is a certain amount to accumulate the iron fillings in the intracavity when iron fillings are collected, pull down the upper cover, then open iron fillings export baffle, thereby collect the iron fillings discharge of intracavity with iron fillings, can isolate the iron fillings in the plastic granules like this, the purity of plastic granules has been guaranteed, thereby avoid influencing the quality of the plastic products after moulding plastics because of containing iron fillings in the plastic granules, the injury of iron fillings to the injection molding machine has also been avoided simultaneously.

After the plastic granules stirring is mixed and is accomplished, plastic granules after mixing will get into in preheating the pipeline, this moment because the rotation of motor shaft, it is rotatory to drive the transport axle, thereby it is rotatory to drive conveyor blade, thereby make plastic granules slowly at the uniform velocity whereabouts in preheating the pipeline, open heating device this moment, thereby make plastic granules will preheat for the first time in preheating the pipeline, so not only can control the speed of plastic granules whereabouts, and can make plastic granules soften through tentatively adding, thereby can effectually avoid plastic granules to plug up the heating import.

Compared with the prior art, the feeding system of the injection molding machine has the following advantages:

1. not only can add two kinds of different plastic granules simultaneously, can make its abundant mixture moreover, the uneven condition of mixing can not appear.

2. Can isolate the iron fillings in the plastic granules, guarantee the purity of plastic granules to avoid containing the iron fillings in the plastic granules and influencing the quality of the plastic product after moulding plastics, also avoided the injury of iron fillings to the injection molding machine simultaneously.

3. Not only can control the speed of plastic granules whereabouts, can make plastic granules can soften through preliminary addition moreover to can effectually avoid plastic granules to plug up the heating import.

Drawings

Fig. 1 is a schematic view of the structure of a feeding system of an injection molding machine.

Fig. 2 is a front view of the injection molding machine feed system.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 3.

Fig. 5 is an enlarged view of the structure at C in fig. 3.

Fig. 6 is an enlarged view of the structure at D in fig. 3.

Fig. 7 is an enlarged view of the structure at E in fig. 4.

Fig. 8 is an enlarged view of the structure at F in fig. 4.

In the figure, 10, the housing; 11. an upper cover; 12. a second feed port; 13. a first feed port; 14. a motor; 15. a support pillar; 16. preheating a pipeline; 17. a heating device; 18. a motor shaft; 19. a stirring chamber; 20. a second stirring rod; 21. a first stirring rod; 22. a first rod cavity; 23. a second rod cavity; 24. a scrap iron collection cavity; 25. an iron scrap outlet baffle; 26. a connecting rod; 27. a conveying shaft seat; 28. a delivery shaft; 29. a conveying blade; 30. a fourth rod chamber; 31. a fourth stirring rod; 32. a third rod cavity; 33. a third stirring rod; 34. a first electromagnet; 35. a first connecting plate; 36. a first rotation shaft seat; 37. a first rotating shaft; 38. a first hydraulic lever; 39. a first hydraulic cylinder; 40. a first scrap iron inlet; 41. a second electromagnet; 42. a second connecting plate; 43. a second rotation shaft; 44. a second rotation shaft seat; 45. a second scrap iron inlet; 46. a second hydraulic rod; 47. a second hydraulic cylinder; 48. a third rotation shaft seat; 49. a third rotation axis; 50. a third connecting plate; 51. a third electromagnet; 52. a third hydraulic lever; 53. a third hydraulic cylinder; 54. a third iron scrap inlet; 55. a fourth scrap iron inlet; 56. a fourth rotation shaft seat; 57. a fourth rotation axis; 58. a fourth connecting plate; 59. a fourth electromagnet; 60. a fourth hydraulic lever; 61. and a fourth hydraulic cylinder.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a feeding system of an injection molding machine comprises a housing 10, wherein an upper cover 11 is slidably arranged on the upper side of the housing 10, a first feeding hole 13 is fixedly arranged on the left side of the upper side, a second feeding hole 12 is fixedly arranged on the right side of the upper cover 11, a motor 14 is fixedly arranged at the center of the upper side of the upper cover 11, supporting columns 15 are fixedly arranged on the lower side of the housing 10 in the front, back, left and right directions respectively, and a preheating pipeline 16 is fixedly arranged on the lower side of the housing 10.

As shown in fig. 3 and 5, a stirring chamber 19 is arranged on the inner side, a motor shaft 18 is arranged at the output end of the lower side of the motor 14, an iron scrap collecting chamber 24 is arranged in the motor shaft 18, an iron scrap outlet baffle 25 is arranged on the lower side of the iron scrap collecting chamber 24 in a sliding manner, five first rotating shaft seats 36 are fixedly arranged on the front side of the motor shaft 18, a first rotating shaft 37 is fixedly arranged on the inner side of each first rotating shaft seat 36, five first stirring rods 21 are rotatably arranged on the front side of the motor shaft 18, a first rod chamber 22 is arranged in each first stirring rod 21, a first electromagnet 34 is fixedly arranged on the lower side of each first rod chamber 22, first connecting plates 35 are respectively fixedly arranged at the left and right ends of the rear side of each first rod chamber 22, each first connecting plate 35 is rotatably connected with each first rotating shaft 37, five first hydraulic cylinders 39 are fixedly arranged on the front side of the motor shaft 18, a first hydraulic rod 38 is movably arranged on the front side of each first hydraulic cylinder 39, each first hydraulic rod 38 is fixed with the lower side of each first stirring rod 21, the front side of the motor shaft 18 is provided with five first scrap iron inlets 40.

As shown in fig. 3 and 6, five second rotating shaft seats 44 are fixedly arranged on the rear side of the motor shaft 18, a second rotating shaft 43 is fixedly arranged on the inner side of each second rotating shaft seat 44, five second stirring rods 20 are rotatably arranged on the front side of the motor shaft 18, a second rod cavity 23 is arranged in each second stirring rod 20, a second electromagnet 41 is fixedly arranged on the lower side of each second rod cavity 23, second connecting plates 42 are fixedly arranged on the left and right ends of the front side of each second rod cavity 23 respectively, each second connecting plate 42 is rotatably connected with each second rotating shaft 43, five second hydraulic cylinders 47 are fixedly arranged on the rear side of the motor shaft 18, a second hydraulic cylinder 46 is movably arranged on the front side of each second hydraulic cylinder 47, each second hydraulic cylinder 46 is fixed with the lower side of each second stirring rod 20, and five fourth rotating shaft seats 56 are arranged on the rear side of the motor shaft 18.

As shown in fig. 4 and 7, five third rotation shaft seats 48 are fixedly arranged on the left side of the motor shaft 18, a third rotation shaft 49 is fixedly arranged on the inner side of each third rotation shaft seat 48, five third stirring rods 33 are rotatably arranged on the front side of the motor shaft 18, a third rod cavity 32 is arranged in each third stirring rod 33, a third electromagnet 51 is fixedly arranged on the lower side of each third rod cavity 32, third connecting plates 50 are fixedly arranged at the left and right ends of the right side of each third rod cavity 32 respectively, each third connecting plate 50 is rotatably connected with each third rotation shaft 49, five third hydraulic cylinders 53 are fixedly arranged on the left side of the motor shaft 18, a third hydraulic rod 52 is slidably arranged on the left side of each third hydraulic cylinder 53, each third hydraulic rod 52 is fixed with the lower side of each third stirring rod 33, and five third scrap inlets 54 are arranged on the left side of the motor shaft 18.

As shown in fig. 4 and 8, five fourth rotating shaft seats 56 are fixedly arranged on the right side of the motor shaft 18, a fourth rotating shaft 57 is fixedly arranged on the inner side of each fourth rotating shaft seat 56, five fourth stirring rods 31 are rotatably arranged on the right side of the motor shaft 18, a fourth rod cavity 30 is arranged in each fourth stirring rod 31, a fourth electromagnet 59 is fixedly arranged on the lower side of each fourth rod cavity 30, fourth connecting plates 58 are fixedly arranged at the left and right ends of each fourth rod cavity 30 respectively, each fourth connecting plate 58 is rotatably connected with each fourth rotating shaft 57, five fourth hydraulic cylinders 61 are fixedly arranged on the right side of the motor shaft 18, a fourth hydraulic rod 60 is slidably arranged on the right side of each fourth hydraulic cylinder 61, each fourth hydraulic rod 60 is fixed to the lower side of each fourth stirring rod 31, and five fourth scrap iron inlets 55 are arranged on the right side of the motor shaft 18.

As shown in fig. 2 and 3, four connecting rods 26 are fixedly arranged on the lower side of the motor shaft 18, a conveying shaft seat 27 is fixedly arranged on the lower side of the connecting rods 26, a conveying shaft 28 is fixedly arranged on the lower side of the conveying shaft seat 27, conveying blades 29 are fixedly arranged on the outer side of the conveying shaft 28, the conveying blades 29 are rotatably connected with the preheating pipeline 16, and five heating devices 17 are fixedly arranged on the outer side of the preheating pipeline 16.

When there is only one kind of plastic particle, can put into the agitator chamber 19 through any one feed inlet of second feed inlet 12 and first feed inlet 13, when there are two kinds of plastic particles, start motor 14 earlier, motor 14 will drive motor shaft 18 rotatory this moment, thereby drive second puddler 20, first puddler 21, fourth puddler 31 and third puddler 33 fast revolution, at this moment with these two kinds of plastic particles respectively from second feed inlet 12 and first feed inlet 13 even pouring into, two kinds of different plastic particles will get into agitator chamber 19 this moment, then at second puddler 20, first puddler 21, continuous mixing under fourth puddler 31 and the fast stirring of third puddler 33, so not only can add two kinds of different plastic particles simultaneously, and can make its abundant mixing, the condition of mixing inequality can not appear.

When plastic particles are added and the first electromagnet 34, the second electromagnet 41, the third electromagnet 51 and the fourth electromagnet 59 are started, at this time, as the second stirring rod 20, the first stirring rod 21, the fourth stirring rod 31 and the third stirring rod 33 are continuously rotated and stirred, so that iron filings in the plastic particles are adsorbed in the first rod cavity 22, the second rod cavity 23, the fourth rod cavity 30 and the third rod cavity 32, when the plastic particles are mixed, the motor 14 is turned off, at this time, the motor shaft 18 stops rotating, the first hydraulic cylinder 39, the second hydraulic cylinder 47, the third hydraulic cylinder 53 and the fourth hydraulic cylinder 61 are started, at this time, the first hydraulic rod 38, the second hydraulic rod 46, the third hydraulic rod 52 and the fourth hydraulic rod 60 jack up the first stirring rod 21, the second stirring rod 20, the third stirring rod 33 and the fourth stirring rod 31 respectively, so that the first stirring rod 21, the second stirring rod 20, the fourth stirring rod 31 and the plastic particles are jacked up, Third puddler 33 and fourth puddler 31 will the certain angle of tilt up, close first electro-magnet 34 this moment, second electro-magnet 41, third electro-magnet 51 and fourth electro-magnet 59, thereby make iron fillings to first iron fillings import 40, second iron fillings import 45, third iron fillings import 54 and fourth iron fillings import 55 internal slipping, thereby make iron fillings get into in iron fillings collection chamber 24, iron fillings in iron fillings collection chamber 24 accumulate to a certain amount to be, pull down upper cover 11, then open iron fillings export baffle 25, thereby collect the iron fillings discharge in the chamber 24 with iron fillings, can separate out the iron fillings in the plastic granules like this, the purity of plastic granules has been guaranteed, thereby avoid in the plastic granules because of containing iron fillings influence the quality of the plastic products after moulding plastics, the injury of iron fillings to the injection molding machine has also been avoided simultaneously.

After the plastic granules stirring is mixed and is accomplished, the plastic granules after mixing will get into in preheating pipe 16, this moment because the rotation of motor shaft 18, will drive and carry axle 28 rotatory, thereby it is rotatory to drive conveyor blade 29, thereby make the plastic granules slowly at the uniform velocity whereabouts in preheating pipe 16, open heating device 17 this moment, thereby make the plastic granules will preheat for the first time in preheating pipe 16, so not only can control the speed of plastic granules whereabouts, and can make the plastic granules soften through tentatively adding, thereby can effectually avoid the plastic granules to plug up the heating inlet.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an injection molding machine charge-in system, includes casing (10), its characterized in that, casing (10) upside slides and is equipped with upper cover (11), the fixed first feed inlet (13) that is equipped with in top left side, upper cover (11) top right side is fixed and is equipped with second feed inlet (12), upper cover (11) upside center is fixed and is equipped with motor (14), casing (10) downside is fixed respectively all around and is equipped with support column (15), casing (10) downside is fixed and is equipped with preheating pipe way (16).

2. The feeding system of an injection molding machine according to claim 1, wherein: the inner side of the motor is provided with a stirring cavity (19), the output end of the lower side of the motor (14) is provided with a motor shaft (18), the motor shaft (18) is internally provided with an iron scrap collecting cavity (24), the lower side of the iron scrap collecting cavity (24) is provided with an iron scrap outlet baffle plate (25) in a sliding manner, the front side of the motor shaft (18) is fixedly provided with five first rotating shaft seats (36), the inner side of each first rotating shaft seat (36) is fixedly provided with a first rotating shaft (37), the front side of the motor shaft (18) is rotatably provided with five first stirring rods (21), a first rod cavity (22) is arranged in each first stirring rod (21), the lower side of each first rod cavity (22) is fixedly provided with a first electromagnet (34), the left end and the right end of the rear side of each first rod cavity (22) are respectively fixedly provided with a first connecting plate (35), and each first connecting plate (35) is rotatably connected with each first rotating shaft (37), the fixed five first pneumatic cylinders (39) that are equipped with of motor shaft (18) front side, every first pneumatic cylinder (39) front side slides and is equipped with first hydraulic stem (38), every first hydraulic stem (38) and every first puddler (21) downside is fixed mutually, motor shaft (18) front side is equipped with five first iron fillings import (40).

3. The feeding system of an injection molding machine according to claim 2, wherein: the rear side of the motor shaft (18) is fixedly provided with five second rotating shaft seats (44), the inner side of each second rotating shaft seat (44) is fixedly provided with a second rotating shaft (43), the front side of the motor shaft (18) is rotatably provided with five second stirring rods (20), each second stirring rod (20) is internally provided with a second rod cavity (23), the lower side of each second rod cavity (23) is fixedly provided with a second electromagnet (41), the left end and the right end of the front side of each second rod cavity (23) are respectively and fixedly provided with a second connecting plate (42), each second connecting plate (42) is rotatably connected with each second rotating shaft (43), the rear side of the motor shaft (18) is fixedly provided with five second hydraulic cylinders (47), the front side of each second hydraulic cylinder (47) is movably provided with a second hydraulic rod (46), and each second hydraulic rod (46) is fixed with the lower side of each second stirring rod (20), five fourth rotating shaft seats (56) are arranged on the rear side of the motor shaft (18).

4. The feeding system of an injection molding machine according to claim 3, wherein: the left side of the motor shaft (18) is fixedly provided with five third rotating shaft seats (48), the inner side of each third rotating shaft seat (48) is fixedly provided with a third rotating shaft (49), the front side of the motor shaft (18) is rotatably provided with five third stirring rods (33), each third stirring rod (33) is internally provided with a third rod cavity (32), the lower side of each third rod cavity (32) is fixedly provided with a third electromagnet (51), the left and right ends of the right side of each third rod cavity (32) are respectively and fixedly provided with a third connecting plate (50), each third connecting plate (50) is rotatably connected with each third rotating shaft (49), the left side of the motor shaft (18) is fixedly provided with five third hydraulic cylinders (53), the left side of each third hydraulic cylinder (53) is slidably provided with a third hydraulic rod (52), and each third hydraulic rod (52) is fixed with the lower side of each third stirring rod (33), five third iron scrap inlets (54) are formed in the left side of the motor shaft (18).

5. The feeding system of an injection molding machine according to claim 4, wherein: the right side of the motor shaft (18) is fixedly provided with five fourth rotating shaft seats (56), the inner side of each fourth rotating shaft seat (56) is fixedly provided with a fourth rotating shaft (57), the right side of the motor shaft (18) is rotatably provided with five fourth stirring rods (31), a fourth rod cavity (30) is arranged in each fourth stirring rod (31), the lower side of each fourth rod cavity (30) is fixedly provided with a fourth electromagnet (59), the left end and the right end of the left side of each fourth rod cavity (30) are respectively and fixedly provided with a fourth connecting plate (58), each fourth connecting plate (58) is rotatably connected with each fourth rotating shaft (57), the right side of the motor shaft (18) is fixedly provided with five fourth hydraulic cylinders (61), the right side of each fourth hydraulic cylinder (61) is slidably provided with a fourth hydraulic rod (60), and each fourth hydraulic rod (60) is fixed with the lower side of each fourth stirring rod (31), and five fourth scrap iron inlets (55) are formed in the right side of the motor shaft (18).

6. The feeding system of an injection molding machine according to claim 5, wherein: the motor shaft (18) downside is fixed and is equipped with four connecting rods (26), the fixed transport axle seat (27) that is equipped with of connecting rod (26) downside, the fixed transport axle (28) that is equipped with of transport axle seat (27) downside, the fixed transport blade (29) that is equipped with in transport axle (28) outside, transport blade (29) with preheat pipeline (16) and rotate and be connected, it is fixed five heating device (17) to be equipped with in pipeline (16) outside to preheat.