Feed hopper structure of injection molding machine

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a feed hopper structure of an injection molding machine, which solves the problem that the existing feed hopper of the injection molding machine is inconvenient to dry raw materials, and comprises a feed hopper body, a feed nozzle is fixedly arranged at the bottom end of the feed hopper body, and a suction fan is fixedly arranged at the top end of the feed hopper body. A discharging port of the material suction fan communicates with the feeding hopper body, a flexible material suction pipe is arranged on a material suction port of the material suction fan, a first exhaust branch pipe and a second exhaust branch pipe are fixedly arranged on the two sides of the feeding hopper body correspondingly, exhaust pipes are fixedly arranged at the top ends of the first exhaust branch pipe and the second exhaust branch pipe, and a drying mechanism is arranged at the top end in the feeding hopper body. An anti-blocking mechanism is fixedly arranged at the bottom end in the feeding hopper body; by means of the feeding hopper of the injection molding machine, continuous material suction and feeding can be achieved, meanwhile, raw materials can be fully dried, and the situation that wet raw materials affect the injection molding quality is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machines, in particular to a feeding hopper structure of an injection molding machine. Background Art

[0002] During the use of the injection molding machine, it is necessary to feed materials through a feed hopper. The authorization announcement number CN207915913U discloses a feed hopper structure of an injection molding machine. Its background technology mentions that "some raw materials are squeezed, moist or other factors during storage, and many small raw materials gather together to form larger particles of raw materials." The stirring blade is driven to rotate by a connecting shaft, so that the stirring blade can break up the raw materials blocked in the neck of the feed hopper, so that the raw materials can enter the injection molding machine smoothly, avoiding insufficient feeding and material breakage in the feed hopper, and thus achieving the effect of improving the injection molding efficiency of the injection molding machine; however, the plastic particles that have been damp need to be dried before entering the injection molding machine, otherwise it will affect the injection molding quality. The feed hopper can only break up the raw materials, but cannot dry the raw materials, and the use effect is not good. Therefore, the present application proposes a feed hopper structure for an injection molding machine. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a feed hopper structure for an injection molding machine, which effectively solves the problem that the feed hopper of the prior injection molding machine is inconvenient for drying raw materials.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feed hopper structure for an injection molding machine, comprising a feed hopper body, a feed nozzle is fixedly arranged at the bottom end of the feed hopper body, a suction fan is fixedly arranged at the top end of the feed hopper body, the discharge port of the suction fan is connected with the feed hopper body, a flexible suction pipe is arranged on the suction port of the suction fan, exhaust branch pipe 1 and exhaust branch pipe 2 are fixedly arranged on both sides of the feed hopper body, exhaust pipes are fixedly arranged at the top ends of the exhaust branch pipes 1 and 2, a drying mechanism is fixedly arranged at the top end of the feed hopper body, and an anti-blocking mechanism is fixedly arranged at the bottom end of the feed hopper body.

[0005] Preferably, the drying mechanism is composed of an electric heating mesh cover, a plurality of hanging ropes, a plurality of vibration motors, a first material guide cone, a first funnel, a second guide cone and a second funnel. The electric heating mesh cover is connected to the top of the inside of the feed hopper body through the hanging ropes, the vibration motor is fixedly connected to the top of the inner wall of the electric heating mesh cover, and the first material guide cone, the first funnel, the second guide cone and the second funnel are fixedly connected to the inside of the electric heating mesh cover in sequence from top to bottom.

[0006] Preferably, the first material guide cone, the first funnel, the second guide cone and the second funnel are all fixedly connected to the electric heating mesh cover through a plurality of connecting plates; the first material guide cone, the first funnel, the second guide cone and the second funnel are all mesh structures; the maximum outer diameters of the first material guide cone and the second guide cone are smaller than the inner diameter of the electric heating mesh cover; and the maximum outer diameters of the first funnel and the second funnel are the same as the inner diameter of the electric heating mesh cover.

[0007] Preferably, a first anti-collision rubber ring is fixedly provided on the top end of the outer surface of the electric heating mesh cover, and a second anti-collision rubber ring is fixedly provided on the bottom end of the outer surface of the electric heating mesh cover.

[0008] Preferably, the anti-blocking mechanism is composed of a conical cover, a driving motor, a discharge propeller and a plurality of connecting plates. The conical cover is fixedly connected to the bottom end inside the feed hopper body through the connecting plate, the driving motor is fixedly connected to the bottom end inside the conical cover, and the discharge propeller is fixedly connected to the output shaft of the driving motor and inserted into the feed nozzle.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] (1) During operation, by providing a suction fan and a flexible suction pipe, the feed hopper body can be continuously fed with materials, and air can be filled into the feed hopper body at the same time. By providing a drying mechanism consisting of an electric heating mesh cover, a plurality of hanging ropes, a plurality of vibration motors, a first guide cone, a first funnel, a second guide cone and a second funnel, the injection molding granular raw material can be fully dried. By providing an exhaust branch pipe 1, an exhaust branch pipe 2 and an exhaust pipe, the wet air can be discharged;

[0011] (2) By setting up an anti-blocking mechanism consisting of a conical cover, a driving motor, a discharge propeller and a plurality of connecting plates, the dried injection molding granular raw materials can be discharged, which can avoid the injection molding granular raw materials from being blocked and improve the smoothness of the discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached picture:

[0014] Figure 1 This is a schematic diagram of the structure of the injection molding machine feed hopper of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the injection molding machine feed hopper of the utility model;

[0016] Figure 3 This is a schematic diagram of the drying mechanism structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the electric heating mesh cover of the utility model;

[0018] Figure 5 This is a schematic diagram of the anti-blocking mechanism structure of the utility model;

[0019] In the figure: 1. Feed hopper body; 2. Feed nozzle; 3. Suction fan; 4. Flexible suction pipe; 5. Exhaust branch pipe 1; 6. Exhaust branch pipe 2; 7. Exhaust pipe; 8. Drying mechanism; 9. Anti-blocking mechanism; 10. Electric heating mesh cover; 11. Lifting rope; 12. Vibration motor; 13. First guide cone; 14. First funnel; 15. Second guide cone; 16. Second funnel; 17. Connecting plate 1; 18. Anti-collision rubber ring 1; 19. Anti-collision rubber ring 2; 20. Conical cover; 21. Driving motor; 22. Discharge propeller; 23. Connecting plate 2. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1 and Figure 2 The utility model provides a feed hopper structure for an injection molding machine, comprising a feed hopper body 1, a feed nozzle 2 is fixedly arranged at the bottom end of the feed hopper body 1, a suction fan 3 is fixedly arranged at the top end of the feed hopper body 1, the discharge port of the suction fan 3 is connected with the feed hopper body 1, a flexible suction pipe 4 is arranged on the suction port of the suction fan 3, an exhaust branch pipe 1 5 and an exhaust branch pipe 2 6 are fixedly arranged on both sides of the feed hopper body 1, an exhaust pipe 7 is fixedly arranged at the top end of the exhaust branch pipe 1 5 and the exhaust branch pipe 2 6, a drying mechanism 8 is arranged at the top end of the feed hopper body 1, and an anti-blocking mechanism 9 is fixedly arranged at the bottom end of the feed hopper body 1;

[0022] When in use, the injection molding granule raw materials are sucked by the suction fan 3 and the flexible suction pipe 4, so that the injection molding granule raw materials enter the interior of the feed hopper body 1, and then dried by the drying mechanism 8. The wet air generated by the drying is discharged through the exhaust branch pipe 1 5, the exhaust branch pipe 2 6 and the exhaust pipe 7. In actual operation, an exhaust fan can also be installed on the exhaust pipe 7 for auxiliary exhaust. The dried injection molding granule raw materials are discharged through the anti-blocking mechanism 9;

[0023] Depend on Figures 2 to 4The drying mechanism 8 is composed of an electric heating mesh cover 10, a plurality of hanging ropes 11, a plurality of vibration motors 12, a first material guide cone 13, a first funnel 14, a second guide cone 15 and a second funnel 16. The electric heating mesh cover 10 is connected to the top of the inside of the feed hopper body 1 through the hanging rope 11, and the vibration motor 12 is fixedly connected to the top of the inner side wall of the electric heating mesh cover 10. The first material guide cone 13, the first funnel 14, the second guide cone 15 and the second funnel 16 are fixedly connected to the inside of the electric heating mesh cover 10 from top to bottom. The cone 15 and the second funnel 16 are fixedly connected to the electric heating mesh cover 10 through a plurality of connecting plates 17. The first material guide cone 13, the first funnel 14, the second guide cone 15 and the second funnel 16 are all mesh structures. The maximum outer diameters of the first material guide cone 13 and the second guide cone 15 are smaller than the inner diameter of the electric heating mesh cover 10. The maximum outer diameters of the first funnel 14 and the second funnel 16 are the same as the inner diameter of the electric heating mesh cover 10. An anti-collision rubber ring 18 is fixedly provided at the top end of the outer surface of the electric heating mesh cover 10, and an anti-collision rubber ring 2 19 is fixedly provided at the bottom end of the outer surface of the electric heating mesh cover 10.

[0024] The raw material enters the electric heating mesh cover 10, first falls on the top of the first guide cone 13, and is divided by the first guide cone 13. The raw material falls along the side edge of the first guide cone 13, and then falls into the first funnel 14. The raw material is collected at the top of the first funnel 14 and discharged to the top of the second guide cone 15 through the discharge port of the first funnel 14, and then falls into the second funnel 16 and is discharged through the second funnel 16. During the drying process, the electric heating mesh cover 10 is heated, and the heat is transferred to the first guide cone 13, the first funnel 14, the second guide cone 15 and the second funnel 16. The funnel 16 heats and dries the raw materials through the first material guide cone 13, the first funnel 14, the second guide cone 15 and the second funnel 16 to improve the drying efficiency. During the drying process, the vibration motor 12 is started to drive the electric heating mesh cover 10, the first material guide cone 13, the first funnel 14, the second guide cone 15 and the second funnel 16 to vibrate, thereby assisting in feeding and avoiding blockage of the raw materials. The anti-collision rubber ring 18 and the anti-collision rubber ring 2 19 can prevent the electric heating mesh cover 10 from colliding with the inner wall of the feed hopper body 1, and can play a buffering role;

[0025] Depend on Figure 1 and Figure 5 It is shown that the anti-blocking mechanism 9 is composed of a conical cover 20, a driving motor 21, a discharge screw 22 and a plurality of connecting plates 23. The conical cover 20 is fixedly connected to the bottom end of the inside of the feed hopper body 1 through the connecting plates 23, the driving motor 21 is fixedly connected to the bottom end of the inside of the conical cover 20, and the discharge screw 22 is fixedly connected to the output shaft of the driving motor 21 and inserted into the feed nozzle 2;

[0026] The dried raw material enters the injection molding machine from the feed nozzle 2. At this time, the drive motor 21 is started to drive the discharge screw 22 to rotate, and the discharge screw 22 assists in material discharge to avoid blockage of the raw material.

[0027] During operation, by providing a suction fan and a flexible suction pipe, the interior of the feed hopper body can be continuously supplied with materials, and air can be filled into the feed hopper body at the same time. By providing a drying mechanism composed of an electric heating mesh cover, a plurality of hanging ropes, a plurality of vibration motors, a first material guide cone, a first funnel, a second guide cone and a second funnel, the injection molding particle raw materials can be fully dried. By providing an exhaust branch pipe 1, an exhaust branch pipe 2 and an exhaust pipe, the wet air can be discharged; by providing an anti-blocking mechanism composed of a conical cover, a driving motor, a discharge propeller and a plurality of connecting plates 2, the dried injection molding particle raw materials can be discharged, the injection molding particle raw materials can be avoided from being blocked, and the smoothness of the discharge is improved.

Claims

1. A feed hopper structure for an injection molding machine, comprising a feed hopper body (1), characterized in that: A feed nozzle (2) is fixedly provided at the bottom end of the feed hopper body (1), a suction fan (3) is fixedly provided at the top end of the feed hopper body (1), the discharge port of the suction fan (3) is connected to the feed hopper body (1), a flexible suction pipe (4) is provided on the suction port of the suction fan (3), an exhaust branch pipe 1 (5) and an exhaust branch pipe 2 (6) are fixedly provided on both sides of the feed hopper body (1), an exhaust pipe (7) is fixedly provided at the top end of the exhaust branch pipe 1 (5) and the exhaust branch pipe 2 (6), a drying mechanism (8) is fixedly provided at the top end of the feed hopper body (1), and an anti-blocking mechanism (9) is fixedly provided at the bottom end of the feed hopper body (1).

2. The injection molding machine feed hopper structure according to claim 1, characterized in that: The drying mechanism (8) is composed of an electric heating mesh cover (10), a plurality of hanging ropes (11), a plurality of vibration motors (12), a first material guide cone (13), a first funnel (14), a second flow guide cone (15) and a second funnel (16); the electric heating mesh cover (10) is connected to the top of the inside of the feed hopper body (1) through the hanging ropes (11); the vibration motor (12) is fixedly connected to the top of the inner wall of the electric heating mesh cover (10); the first material guide cone (13), the first funnel (14), the second flow guide cone (15) and the second funnel (16) are fixedly connected to the inside of the electric heating mesh cover (10) in sequence from top to bottom.

3. The injection molding machine feed hopper structure according to claim 2, characterized in that: The first material guide cone (13), the first funnel (14), the second flow guide cone (15) and the second funnel (16) are all fixedly connected to the electric heating mesh cover (10) through a plurality of connecting plates (17); the first material guide cone (13), the first funnel (14), the second flow guide cone (15) and the second funnel (16) are all mesh structures; the maximum outer diameters of the first material guide cone (13) and the second flow guide cone (15) are smaller than the inner diameter of the electric heating mesh cover (10); and the maximum outer diameters of the first funnel (14) and the second funnel (16) are the same as the inner diameter of the electric heating mesh cover (10).

4. The injection molding machine feed hopper structure according to claim 2, characterized in that: An anti-collision rubber ring 1 (18) is fixedly arranged at the top end of the outer surface of the electric heating mesh cover (10), and an anti-collision rubber ring 2 (19) is fixedly arranged at the bottom end of the outer surface of the electric heating mesh cover (10).

5. The injection molding machine feed hopper structure according to claim 1, characterized in that: The anti-blocking mechanism (9) is composed of a conical cover (20), a driving motor (21), a discharge screw propeller (22) and a plurality of connecting plates (23); the conical cover (20) is fixedly connected to the bottom end of the inside of the feed hopper body (1) through the connecting plates (23); the driving motor (21) is fixedly connected to the bottom end of the inside of the conical cover (20); and the discharge screw propeller (22) is fixedly connected to the output shaft of the driving motor (21) and is inserted into the feed nozzle (2).

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