Mixing hopper for feeding plastic particles

Abstract

The utility model discloses a mixing hopper for feeding plastic particles, which comprises a four-foot support frame, a mixing hopper main body is fixedly connected above the four-foot support frame, a conical bottom is arranged at the bottom of the mixing hopper main body, and a blanking pipe is fixedly connected to the center of the conical bottom. A material blocking ring is fixedly connected to the edge of the inner side of the upper portion of the mixing hopper body, a pipeline support is fixedly connected to the bottom of the material blocking ring, and two material spraying pipes are fixedly connected to the lower portion of the pipeline support. According to the utility model, the first material pipe and the material collecting hopper are arranged and are matched with the material falling pipe and the material falling opening, so that mixed materials can fall into the material collecting hopper through the first material pipe, are concentrated to the material falling opening through the conical shape of the material collecting hopper, enter the material falling pipe and are sucked through the negative pressure feeding pipe inserted into the material falling pipe; as the space in the blanking pipe is narrow and right corresponds to an effective suction area of the negative pressure feeding pipe, the adsorption efficiency can be greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of plastic pipe production technology, and in particular to a mixing hopper for feeding plastic granules. Background Technology

[0002] In pipe production, the raw materials for plastic pipes are basically corresponding single-color plastic granules or mixed plastic granules. When color mixing is required, the corresponding plastic granules need to be mixed first, and then the material is sucked into the screw extruder by the suction equipment for melt extrusion processing.

[0003] Existing mixing equipment typically requires feeding the entire package of material into a hopper, mixing it with a stirring device, and then discharging it into a bucket through a valve. The material is then sucked into the extruder using a negative pressure air duct. Due to the narrow suction range, at the end of the process, workers need to move the air duct back and forth to suck away all the remaining material at the bottom of the bucket, which is very troublesome and has room for further improvement. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a mixing hopper for feeding plastic granules, thereby solving the above-mentioned problem.

[0005] To achieve the above objectives, a mixing hopper for feeding plastic granules is provided, comprising a four-legged support frame, a mixing hopper body fixedly connected to the top of the four-legged support frame, a conical bottom provided at the bottom of the mixing hopper body, a discharge pipe fixedly connected to the center of the conical bottom, a baffle ring fixedly connected to the upper inner edge of the mixing hopper body, a pipe support fixedly connected to the bottom of the baffle ring, and two spray pipes fixedly connected to the bottom of the pipe support.

[0006] A first material pipe is fixedly connected to the middle of one side of the four-legged support frame below the conical bottom. A second material pipe is fixedly connected to the middle of the side of the four-legged support frame adjacent to the first material pipe below the conical bottom. A material cutting mechanism is provided at the end of the first material pipe and the second material pipe away from the conical bottom. A material collecting hopper is provided directly below the first material pipe on the four-legged support frame. A material dropping opening is provided on the bottom of the material dropping pipe on the side corresponding to the material collecting hopper.

[0007] According to the aforementioned mixing hopper for feeding plastic granules, the cutting mechanism includes an upper slot, a side fixing shaft, a cutting plate, and a handle. The upper slot is opened above the corresponding pipe. The side fixing shaft is fixedly connected to one end of the upper slot in the counterclockwise direction of the pipe. The cutting plate is rotatably connected to the middle of the side fixing shaft at a position corresponding to the upper slot. The top of the cutting plate is fixedly connected to a handle.

[0008] According to the aforementioned mixing hopper for feeding plastic granules, the bottom of the discharge pipe has a detachable sealing structure.

[0009] According to the aforementioned mixing hopper for feeding plastic granules, the ends of the two spray pipes furthest from the pipe support are fixedly connected to the corresponding suction pipes via air pumps.

[0010] According to the aforementioned mixing hopper for feeding plastic granules, the bottom of the discharge pipe is inserted into a negative pressure feed pipe equipped with a screw extruder through a discharge opening.

[0011] According to the aforementioned mixing hopper for feeding plastic granules, the nozzles of the two spray pipes are respectively arranged on both sides of the mixing hopper body, and the spray nozzles of the two spray pipes are both arranged obliquely downward clockwise along the top inner wall of the mixing hopper body.

[0012] According to the aforementioned mixing hopper for feeding plastic granules, the collecting hopper is a quarter-conical hopper, and the two ends of the top outer edge of the collecting hopper are respectively fixedly connected to the two support legs of a four-legged support frame.

[0013] According to the aforementioned mixing hopper for feeding plastic granules, the two sides of the hopper near the discharge pipe are fixedly connected to the discharge pipe at the two sides of the discharge opening.

[0014] The above solution has at least one of the following beneficial effects:

[0015] 1. This utility model is equipped with a first material pipe and a collecting hopper, along with a discharge pipe and a discharge opening. The mixed material can fall into the collecting hopper through the first material pipe. The conical shape of the collecting hopper concentrates the material at the discharge opening, and then it enters the discharge pipe. The negative pressure feed pipe inserted inside the discharge pipe sucks the material in. Because the space inside the discharge pipe is narrow, it corresponds exactly to the effective suction area of ​​the negative pressure feed pipe, which can greatly improve its adsorption efficiency. The material is concentrated at one point, which also avoids the need for manual operation later, thus enhancing the practicality of the device.

[0016] 2. The material collection hopper of this utility model, together with the first material pipe located above the material collection hopper, can disperse and mix the already mixed materials again by naturally dropping and collecting the materials through the first material pipe, thereby further improving the uniformity of the materials and enhancing the practicality of the device.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a frontal three-dimensional structural diagram of a mixing hopper for feeding plastic granules according to the present invention.

[0020] Figure 2 This is a three-dimensional structural diagram of the right side of a mixing hopper for feeding plastic granules according to this utility model.

[0021] Figure 3 This is a schematic diagram of the left side structure of a mixing hopper for feeding plastic granules according to this utility model;

[0022] Figure 4 for Figure 3 Enlarged view of point A.

[0023] Legend:

[0024] 1. Four-legged support frame; 2. Mixing hopper body; 3. Conical bottom; 4. Discharge pipe; 5. First material pipe; 6. Second material pipe; 7. Collection hopper; 8. Discharge opening; 9. Cutting mechanism; 10. Pipe support; 11. Spray pipe; 12. Material retaining ring; 91. Top slot; 92. Side fixed shaft; 93. Cutting plate; 94. Handle. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-4 This utility model provides a mixing hopper for feeding plastic granules, including a four-legged support frame 1. A mixing hopper body 2 is fixedly connected to the top of the four-legged support frame 1. A conical bottom 3 is provided at the bottom of the mixing hopper body 2. A discharge pipe 4 is fixedly connected to the center of the conical bottom 3. The bottom of the discharge pipe 4 is a sealing structure. A baffle ring 12 is fixedly connected to the inner edge of the upper part of the mixing hopper body 2. A pipe support 10 is fixedly connected to the bottom of the baffle ring 12. Two spray pipes 11 are fixedly connected to the bottom of the pipe support 10. The ends of the two spray pipes 11 away from the pipe support 10 are fixedly connected to the corresponding suction pipes through an air pump. The spray nozzles of the two spray pipes 11 are respectively located on both sides of the mixing hopper body 2. The spray nozzles of the two spray pipes 11 are both set in a clockwise direction along the top inner wall of the mixing hopper body 2. The material can be spirally overlapped and fall by spraying material along the inner wall of the two spray pipes 11, and then collected through the conical bottom 3. Mixing can be carried out without setting a stirring mechanism.

[0027] A first material pipe 5 is fixedly connected to the middle of one side of the four-legged support frame 1 below the conical base 3. A second material pipe 6 is fixedly connected to the middle of the side of the four-legged support frame 1 adjacent to the first material pipe 5 below the conical base 3. A material cutting mechanism 9 is provided at the end of the first material pipe 5 and the second material pipe 6 away from the conical base 3. The material cutting mechanism 9 includes an upper slot 91, a side fixing shaft 92, a cutting plate 93, and a handle 94. The upper slot 91 is located above the corresponding pipe. A side fixing shaft 2 is fixedly connected to the outer side of the upper slot 91 at one end of the pipe in a counterclockwise direction. The cutting plate 93 is rotatably connected to the middle of the side fixing shaft 2 at a position corresponding to the upper slot 91. A handle 94 is fixedly connected to the top of the cutting plate 93. The material cutting structure is simple, easy to modify, and easy to operate. A four-legged support frame 1 is provided with a collecting hopper 7 directly below the first material pipe 5. The first material pipe 5, located above the collecting hopper 7, can disperse and mix the already mixed materials again by natural falling and re-collecting, further improving the uniformity of the materials. The collecting hopper 7 is a quarter-cone hopper, with the top outer edge of the collecting hopper 7 divided into two sections. The material is fixedly connected to the two support legs of the four-legged support frame 1. The two sides of the end of the material collection hopper 7 near the material discharge pipe 4 are fixedly connected to the material discharge pipe 4 at the two sides of the material discharge opening 9. The bottom of the material discharge pipe 4 has a material discharge opening 8 on the side corresponding to the material collection hopper 7. The bottom of the material discharge pipe 4 is inserted into the negative pressure feed pipe of the screw extruder through the material discharge opening 8. The mixed material can fall into the material collection hopper 7 through the first material pipe 5. The conical shape of the material collection hopper 7 concentrates the material at the material discharge opening 8, and then enters the material discharge pipe 4. The negative pressure feed pipe inserted inside the material discharge pipe 4 sucks the material. Since the space inside the material discharge pipe 4 is narrow, it corresponds exactly to the effective suction area of ​​the negative pressure feed pipe, which can greatly improve its adsorption efficiency. The material is concentrated at one point, which also avoids the need for manual operation later.

[0028] Working principle: The first material pipe 5 and the collecting hopper 7 of this utility model, together with the discharge pipe 4 and the discharge opening 8, allow the mixed material to fall from the first material pipe 5 into the collecting hopper 7. The conical shape of the collecting hopper 7 concentrates the material at the discharge opening 8, and then it enters the discharge pipe 4. The negative pressure feed pipe inserted inside the discharge pipe 4 sucks the material in. Because the space inside the discharge pipe 4 is narrow, it corresponds exactly to the effective suction area of ​​the negative pressure feed pipe, which can greatly improve its adsorption efficiency. The material is concentrated at one point, which also avoids the need for manual operation later. Moreover, the first material pipe 5, which is set above the collecting hopper 7, can disperse and mix the already mixed material again through natural discharge and re-concentration, further improving the uniformity of the material.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A mixing hopper for plastic granulate feed comprising a four-legged support frame (1), characterized in that: The upper part of the four-legged support frame (1) is fixedly connected with a mixing hopper body (2), the bottom of the mixing hopper body (2) is provided with a conical bottom (3), the center of the conical bottom (3) is fixedly connected with a blanking pipe (4), the upper inner side edge of the mixing hopper body (2) is fixedly connected with a material blocking ring (12), the bottom of the material blocking ring (12) is fixedly connected with a pipeline support (10), the lower part of the pipeline support (10) is fixedly connected with two material spraying pipes (11). The lower part of the conical bottom (3) is fixedly connected with a first material pipe (5) on one side of the four-legged support frame (1), the lower part of the conical bottom (3) is fixedly connected with a second material pipe (6) on the side of the four-legged support frame (1) adjacent to the first material pipe (5), the ends of the first material pipe (5) and the second material pipe (6) away from the conical bottom (3) are provided with a material cutting mechanism (9), the four-legged support frame (1) is provided with a material collecting hopper (7) directly below the first material pipe (5), and the bottom of the blanking pipe (4) is provided with a blanking opening (8) corresponding to one side of the material collecting hopper (7).

2. A mixing hopper for plastic pellets according to claim 1, characterized in that The material cutting mechanism (9) comprises an upper slot (91), a side fixed shaft (92), a material cutting plate (93) and a handle (94), the upper slot (91) is arranged above the corresponding pipeline, the outer side of the upper slot (91) is fixedly connected with the side fixed shaft (92) at one end in the counterclockwise direction of the pipeline, the middle part of the side fixed shaft (92) is rotatably connected with the material cutting plate (93) at a position corresponding to the upper slot (91), and the top of the material cutting plate (93) is fixedly connected with the handle (94).

3. The mixing hopper for plastic pellets according to claim 1, wherein The bottom of the blanking pipe (4) is a detachable plugging structure.

4. The mixing hopper for plastic pellets according to claim 1, wherein The ends of the two material spraying pipes (11) away from the pipeline support (10) are fixedly communicated with corresponding material suction pipes through air pumps.

5. The mixing hopper for plastic pellets according to claim 1, wherein The bottom of the blanking pipe (4) is inserted into a negative pressure feeding pipe of a screw extruder through the blanking opening (8).

6. The mixing hopper for plastic pellets according to claim 1, wherein The material spraying openings of the two material spraying pipes (11) are arranged on the two sides of the mixing hopper body (2), and the directions of the material spraying openings of the two material spraying pipes (11) are both arranged in a clockwise direction along the top inner wall of the mixing hopper body (2).

7. The mixing hopper for plastic pellets according to claim 1, wherein The material collecting hopper (7) is a quarter-conical hopper, and the two ends of the top outer edge of the material collecting hopper (7) are fixedly connected with two supporting legs of the four-legged support frame (1).

8. The mixing hopper for plastic pellets according to claim 1, wherein The two sides of one end of the material collecting hopper (7) close to the blanking pipe (4) are fixedly connected with the blanking pipe (4) at positions on the two sides of the blanking opening (8).

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