Feeding device for injection molding machine

Abstract

The utility model discloses a feeding device for an injection molding machine, and relates to the technical field of injection molding machines. The discharging device comprises a discharging barrel and further comprises a mixing barrel which is connected to the outer wall of the discharging barrel in a sealed mode through a pipeline, a mixing assembly is arranged in the mixing barrel, a fixed annular plate is fixed to the left side of the discharging barrel, a movable annular plate is arranged on the left side of the fixed annular plate, and protection assemblies are circumferentially distributed and rotationally connected to the front side of the movable annular plate. The driving assembly is arranged on the left side of the fixed ring plate. A second motor is arranged to drive a threaded rod to rotate, then a movable annular plate can be driven to move left and right in the linear direction of a sliding rod, a connecting rod can pull a protective cover body to rotate in the left-right moving process of the movable annular plate, then opening and closing of the protective cover body are achieved, impurities can be prevented from entering the discharging port, and the discharging port is protected. And the blockage of the discharge hole is avoided, so that the use effect of the equipment can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machines, in particular to a feeding device for injection molding machines. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity.

[0003] When the injection molding machine is feeding, the injection molding machine pushes the feeding nozzle of the feeding device close to the mold, so that the feeding nozzle overlaps with the feeding port of the fixed mold plate, and then overlaps. However, after the current feeding device is used, the discharge port of the feeding nozzle of the feeding device is exposed to the outside. After being idle for a long time, dust will inevitably enter the feeding nozzle. If it is not handled in time, it will cause the feeding nozzle to be blocked, which greatly affects the subsequent use. Therefore, we propose a feeding device for injection molding machine to solve this problem. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a feeding device for an injection molding machine, which can effectively solve the problems of the prior art.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a feeding device for an injection molding machine, comprising a discharging cylinder, and also comprising:

[0007] The mixing cylinder is connected to the outer wall of the discharging cylinder through a pipeline seal and is located directly above the discharging cylinder, and is used to add injection molding particles for subsequent processing;

[0008] The mixing assembly is arranged inside the mixing cylinder and is used to mix and stir the injection molding particles inside the mixing cylinder to ensure uniform injection molding particles entering the discharge cylinder;

[0009] A fixed ring plate is fixed on the left side of the discharging cylinder, a movable ring plate is arranged on the left side of the fixed ring plate, and the movable ring plate is slidably sleeved on the outside of the discharging cylinder;

[0010] The protection component is rotatably connected to the front side of the moving ring plate in a circular distribution, and is used to protect the discharge port of the discharge cylinder;

[0011] The driving assembly is arranged on the left side of the fixed ring plate and is used to drive the protection assembly to work.

[0012] Furthermore, the mixing assembly includes a first motor, a rotating boss, a stirring rod and a reinforcing rod. The first motor is fixed at the central position of the upper end surface of the mixing cylinder, the stirring rod is fixed at the output end of the first motor and is located inside the mixing cylinder, the reinforcing rod is linearly distributed and fixed inside the stirring rod, and the rotating boss is sleeved at the output end of the first motor and is located directly above the stirring rod.

[0013] Furthermore, a spiral rod is fixed to the bottom of the stirring rod, and the spiral rod can rotate.

[0014] Furthermore, the protection assembly includes a connecting rod, a protective cover body and an avoidance groove body. The avoidance groove body is circumferentially distributed and opened on the side of the movable ring plate. The protective cover body is rotatably connected to the left side of the movable ring plate, and the protective cover body is located outside the discharge port of the discharge cylinder. One end of the connecting rod is circumferentially distributed and rotatably connected to the right side of the protective cover body and is located inside the avoidance groove body, and the other end of the connecting rod is rotatably connected to the left side of the fixed ring plate.

[0015] Furthermore, the driving assembly includes a second motor, a threaded rod and a sliding rod. The second motor is fixed to the upper end of the outer wall of the discharge cylinder and is located on the right side of the fixed ring plate. The threaded rod is threadedly connected to the inside of the movable ring plate, and one end of the threaded rod is fixedly connected to the output end of the second motor. The sliding rod is circumferentially fixed to the left side of the fixed ring plate, and the sliding rod is circumferentially slidably penetrated into the inside of the movable ring plate.

[0016] Furthermore, the upper end surface of the mixing cylinder is sealedly connected with a feeding pipe.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model can drive the threaded rod to rotate by setting a second motor, and then drive the movable ring plate to move left and right along the linear direction of the slide rod, and the connecting rod can pull the protective cover body to rotate during the left and right movement of the movable ring plate, thereby realizing the opening and closing of the protective cover body, which can prevent impurities from entering the inside of the discharge port and avoid clogging the discharge port, thereby improving the use effect of the equipment.

[0019] 2. The utility model can drive the stirring rod to rotate through the first motor, and the stirring rod can be connected with the inner wall of the mixing cylinder during the rotation to prevent the granular powder from contaminating the cylinder wall, and then the particles entering the feeding pipe can be broken up with the cooperation of the reinforcing rod, which can improve the breaking up effect, and the rotating boss can collide with the particles entering the feeding pipe during the rotation, so that the particles are more dispersed and fall downward, so as to improve the uniformity of the particles entering the discharge cylinder, and then the broken particles are deposited at the bottom of the mixing cylinder, and are transported downward at a certain speed under the rotation of the spiral rod, so that the feeding is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a top view schematic diagram of the feeding device for the injection molding machine of the utility model;

[0022] Figure 2 It is a cross-sectional schematic diagram of a feeding device for an injection molding machine of the utility model;

[0023] Figure 3 For this utility model Figure 1 A partial enlarged schematic diagram in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Discharging barrel; 2. Mixing barrel; 3. Feeding pipe; 4. First motor; 5. Rotating boss; 6. Stirring rod; 7. Screw rod; 8. Fixed ring plate; 9. Second motor; 10. Moving ring plate; 11. Threaded rod; 12. Connecting rod; 13. Protective cover; 14. Sliding rod; 15. Avoiding trough; 16. Reinforcing rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] See also Figure 1-3 As shown, the utility model is a feeding device for an injection molding machine, comprising a discharge barrel 1, and also comprising:

[0028] A spiral conveying mechanism is arranged inside the discharge cylinder 1, which can push the particles to the tip discharge port when rotating. During the pushing process, the particles will be melted by the heating component inside the discharge cylinder 1 for subsequent injection molding. The mixing cylinder 2 is sealedly connected to the outer wall of the discharge cylinder 1 through a pipeline and is located directly above the discharge cylinder 1. The upper end surface of the mixing cylinder 2 is sealedly connected to a feeding pipe 3 for adding injection molding particles for subsequent processing.

[0029] The mixing assembly is arranged inside the mixing barrel 2, and is used to mix and stir the injection molding particles inside the mixing barrel 2 to ensure the uniformity of the injection molding particles entering the discharge barrel 1. The mixing assembly includes a first motor 4, a rotating boss 5, a stirring rod 6 and a reinforcing rod 16. The first motor 4 is fixed at the central position of the upper end surface of the mixing barrel 2, the stirring rod 6 is fixed at the output end of the first motor 4 and is located inside the mixing barrel 2, the reinforcing rod 16 is linearly distributed and fixed inside the stirring rod 6, the rotating boss 5 is sleeved at the output end of the first motor 4 and is located directly above the stirring rod 6, and the stirring rod 6 can be driven by the first motor 4. The stirring rod 6 can be rotated, and the stirring rod 6 can be connected with the inner wall of the mixing barrel 2 during the rotation process to prevent the particle powder from contaminating the barrel wall, and then the particles entering the feeding pipe 3 can be scattered with the cooperation of the reinforcing rod 16, which can improve the scattering effect, and the rotating boss 5 can collide with the particles entering the feeding pipe 3 during the rotation process, so that the particles are more dispersed and fall downward, so as to improve the uniformity of the particles entering the discharging barrel 1, and the bottom of the stirring rod 6 is fixed with a screw rod 7, and the screw rod 7 can rotate, so that the scattered particles are deposited at the bottom of the mixing barrel 2, and are transported downward at a certain speed under the rotation of the screw rod 7;

[0030] The fixed ring plate 8 is fixed on the left side of the discharging cylinder 1. A movable ring plate 10 is arranged on the left side of the fixed ring plate 8, and the movable ring plate 10 is slidably sleeved on the outside of the discharging cylinder 1. The protective component is rotatably connected to the front side of the movable ring plate 10 in a circumferential distribution, and is used to protect the discharging port of the discharging cylinder 1. The protective component includes a connecting rod 12, a protective cover body 13 and an avoidance groove body 15. The avoidance groove body 15 is circumferentially distributed and opened on the side of the movable ring plate 10. The protective cover body 13 is rotatably connected to the left side of the movable ring plate 10. The protective cover body 13 is located outside the discharge port of the discharge barrel 1, one end of the connecting rod 12 is rotatably connected to the right side of the protective cover body 13 and is located inside the avoidance groove body 15, and the other end of the connecting rod 12 is rotatably connected to the left side of the fixed ring plate 8. The protective cover body 13 is split and rotatably distributed on the left side of the movable ring plate 10, and can be opened and closed. The avoidance groove body 15 is used to avoid the position of the connecting rod 12 to prevent the subsequent connecting rod 12 from colliding with the movable ring plate 10;

[0031] The driving assembly is arranged on the left side of the fixed ring plate 8, and is used to drive the protective assembly to work. The driving assembly includes a second motor 9, a threaded rod 11 and a sliding rod 14. The second motor 9 is fixed to the upper end of the outer wall of the discharge cylinder 1 and is located on the right side of the fixed ring plate 8. The threaded rod 11 is threadedly connected to the inside of the movable ring plate 10, and one end of the threaded rod 11 is fixedly connected to the output end of the second motor 9. The sliding rod 14 is circumferentially fixed to the left side of the fixed ring plate 8, and the sliding rod 14 is circumferentially distributed and slidably penetrates the inside of the movable ring plate 10. The second motor 9 can drive the threaded rod 11 to rotate, and then drive the movable ring plate 10 to move left and right along the linear direction of the sliding rod 14, and the connecting rod 12 can pull the protective cover body 13 to rotate during the left and right movement of the movable ring plate 10, thereby realizing the opening and closing of the protective cover body 13, which can prevent impurities from entering the inside of the discharge port and avoid clogging the discharge port, thereby improving the use effect of the equipment.

[0032] Working principle: First, a spiral conveying mechanism is arranged inside the discharge cylinder 1, which can push the particles to the tip discharge port when rotating. During the pushing process, the particles will be melted by the heating component inside the discharge cylinder 1 for subsequent injection molding. The mixing cylinder 2 is sealed and connected to the outer wall of the discharge cylinder 1 through a pipeline, and is located directly above the discharge cylinder 1. The upper end surface of the mixing cylinder 2 is sealed and connected with a feeding pipe 3 for adding injection molding particles for subsequent processing.

[0033] When in use, the stirring rod 6 can be driven to rotate by the first motor 4, and the stirring rod 6 can be in contact with the inner wall of the mixing barrel 2 during the rotation to prevent the particle powder from contaminating the barrel wall, and then the particles entering the feeding pipe 3 can be broken up with the cooperation of the reinforcing rod 16, which can improve the breaking up effect, and the rotating boss 5 can collide with the particles entering the feeding pipe 3 during the rotation, so that the particles are more dispersed and fall downward, so as to improve the uniformity of the particles entering the discharging barrel 1, and a screw rod 7 is fixed at the bottom of the stirring rod 6, and the screw rod 7 can rotate, so that the broken particles are deposited at the bottom of the mixing barrel 2, and are transported downward at a certain speed under the rotation of the screw rod 7;

[0034] Then, the second motor 9 can drive the threaded rod 11 to rotate, and then drive the movable ring plate 10 to move left and right along the linear direction of the slide rod 14, and the connecting rod 12 can pull the protective cover body 13 to rotate during the left and right movement of the movable ring plate 10, thereby realizing the opening and closing of the protective cover body 13, which can prevent impurities from entering the inside of the discharge port and avoid clogging of the discharge port, thereby improving the use effect of the equipment.

[0035] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A feeding device for an injection molding machine, comprising a discharge barrel (1), characterized in that: Also includes: The mixing cylinder (2) is connected to the outer wall of the discharging cylinder (1) through a pipeline seal and is located directly above the discharging cylinder (1) and is used to add injection molding particles for subsequent processing; A mixing assembly is arranged inside the mixing cylinder (2) and is used to mix and stir the injection molding particles inside the mixing cylinder (2) to ensure uniform injection molding particles entering the discharge cylinder (1); A fixed ring plate (8) is fixed on the left side of the discharging cylinder (1), a movable ring plate (10) is arranged on the left side of the fixed ring plate (8), and the movable ring plate (10) is slidably sleeved on the outside of the discharging cylinder (1); A protection component, which is rotatably connected to the front side of the movable ring plate (10) in a circumferential distribution, and is used to protect the discharge port of the discharge cylinder (1); The driving component is arranged on the left side of the fixed ring plate (8) and is used to drive the protection component to work.

2. A feeding device for an injection molding machine according to claim 1, characterized in that: The mixing assembly comprises a first motor (4), a rotating boss (5), a stirring rod (6) and a reinforcing rod (16); the first motor (4) is fixed at the central position of the upper end surface of the mixing barrel (2); the stirring rod (6) is fixed at the output end of the first motor (4) and is located inside the mixing barrel (2); the reinforcing rod (16) is linearly distributed and fixed inside the stirring rod (6); the rotating boss (5) is sleeved at the output end of the first motor (4) and is located directly above the stirring rod (6).

3. A feeding device for an injection molding machine according to claim 2, characterized in that: A screw rod (7) is fixed at the bottom of the stirring rod (6), and the screw rod (7) is rotatable.

4. A feeding device for an injection molding machine according to claim 1, characterized in that: The protection assembly comprises a connecting rod (12), a protection cover body (13) and an avoidance groove body (15); the avoidance groove body (15) is circumferentially distributed and opened on the side of the movable ring plate (10); the protection cover body (13) is rotatably connected to the left side of the movable ring plate (10), and the protection cover body (13) is located outside the discharge port of the discharge barrel (1); one end of the connecting rod (12) is circumferentially distributed and rotatably connected to the right side of the protection cover body (13) and is located inside the avoidance groove body (15); the other end of the connecting rod (12) is rotatably connected to the left side of the fixed ring plate (8).

5. A feeding device for an injection molding machine according to claim 1, characterized in that: The driving assembly comprises a second motor (9), a threaded rod (11) and a sliding rod (14); the second motor (9) is fixed to the upper end of the outer wall of the discharge barrel (1) and is located on the right side of the fixed ring plate (8); the threaded rod (11) is threadedly connected to the inside of the movable ring plate (10), and one end of the threaded rod (11) is fixedly connected to the output end of the second motor (9); the sliding rod (14) is circumferentially fixed to the left side of the fixed ring plate (8), and the sliding rod (14) is circumferentially distributed and slidably penetrated into the inside of the movable ring plate (10).

6. A feeding device for an injection molding machine according to claim 1, characterized in that: The upper end surface of the mixing cylinder (2) is sealed with a feeding pipe (3).

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