Quantitative discharging single-screw extruder

Abstract

The single-screw extruder comprises a base, the base is fixedly connected with a machine shell through a plurality of supporting legs, the upper side wall of the machine shell is fixedly connected with a plurality of first supports, the upper ends of the plurality of first supports are fixedly connected with weight sensors, and the weight sensors are fixedly connected with the machine shell. The upper side wall of the weight sensor is fixedly connected with a material storage barrel, the bottom side wall of the material storage barrel is fixedly connected with a discharging pipe, the longitudinal section of the discharging pipe is arranged in a convex shape, the inner side wall of the discharging pipe is fixedly connected with a plurality of second supports, and the side wall between the second supports is fixedly connected with a hydraulic air cylinder; the telescopic end of the hydraulic air cylinder is fixedly connected with a sealing plug, and a plurality of discharging holes are formed in the sealing plug. According to the single-screw extruder, the discharging amount of the extruder can be strictly controlled, the practicability of the single-screw extruder is improved, the machine shell can be heated, and material solidification is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a single-screw extruder with quantitative discharging. Background Art

[0002] The single-screw extruder has developed from the original basic spiral structure to various different structural types such as damping screw block, venting screw, slotted barrel, pin barrel, building block structure, etc. At the same time, due to the small space occupied by the single-screw extruder, it has become the main equipment used in the field of composite processing and plastic blown film.

[0003] For example, Chinese patent application No. 202121284439.3 discloses a single-screw extruder, including a base plate, support legs, an extrusion bin, a feed port, a screw, a transmission belt, a drive motor and a circulation heating device, wherein the support legs are symmetrically arranged on the top of the base plate, the extrusion bin is arranged on the top of the support legs, the screw is rotatably arranged in the extrusion bin, the extrusion bin is arranged with a side opening, the feed port is connected to the end of the top of the extrusion bin away from the opening, the circulation heating device is arranged on the top of the base plate, the drive motor is arranged under the base plate, and the transmission belt is sleeved on the drive motor and the screw. The utility model belongs to the technical field of extruders, and specifically refers to a single-screw extruder that uses a circulation heating device to ensure the temperature of the extrusion bin and avoid solidification of the material;

[0004] In the above scheme, although the solidification of the material is avoided, the discharge amount of the extruder cannot be accurately controlled, which reduces the applicability of the single-screw extruder. In order to solve the above problems, we designed a single-screw extruder with quantitative discharge. Utility Model Content

[0005] The utility model provides a single-screw extruder with quantitative discharging to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A single-screw extruder with quantitative discharging, a single-screw extruder with quantitative discharging, comprising a base, the base is fixedly connected to an organic shell through a plurality of supporting legs, the upper side wall of the shell is fixedly connected to a plurality of first brackets, the upper ends of the plurality of first brackets are fixedly connected to a weight sensor, the upper side wall of the weight sensor is fixedly connected to a storage barrel, the bottom side wall of the storage barrel is fixedly connected to a discharge pipe, the longitudinal section of the discharge pipe is convex, the inner side wall of the discharge pipe is fixedly connected to a plurality of second brackets, and the side walls between the plurality of second brackets are fixedly connected to a hydraulic Cylinder, the telescopic end of the hydraulic cylinder is fixedly connected with a sealing plug, and a plurality of discharge holes are provided on the sealing plug, and the longitudinal sections of the plurality of discharge holes are L-shaped. A controller is fixedly connected to the side wall of the first bracket, and the controller is electrically connected to the weight sensor and the hydraulic cylinder. A feed port is provided in a through-set manner on the casing, and a motor is fixedly connected to the outer side wall of the casing, and the output end of the motor passes through the side wall of the casing and is fixedly connected to a rotating rod, and a screw dragon is fixedly connected to the rotating rod, and a heating component is provided on the casing.

[0008] As a further improvement of the present technical solution: the heating assembly includes a heat pipe, which is fixedly connected to the side wall of the housing in a spiral shape, a water tank is fixedly connected to the base, a heating plate is fixedly connected to the inner wall of the water tank, a water pump is fixedly connected to the base, the water pump is connected to the water tank, and both ends of the heat pipe are respectively connected to the water tank and the water pump.

[0009] As a further improvement of the technical solution: a protective shell is fixedly connected to the housing, and the heat pipe is located in the protective shell.

[0010] As a further improvement of the technical solution: a plurality of the second brackets and a plurality of the discharge holes are arranged in a staggered manner.

[0011] As a further improvement of the technical solution: one end of the machine housing is fixedly connected to a discharge pipe, and the discharge pipe is arranged in an inclined shape.

[0012] As a further improvement of the technical solution: the inner bottom side wall of the storage barrel is arranged in an inclined shape.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the cooperation of the first bracket, the weight sensor, the discharge barrel, the discharge pipe, the second bracket, the hydraulic cylinder, the sealing plug, the discharge hole and the controller, the discharge amount of the extruder can be strictly controlled, thereby improving the practicality of the single-screw extruder;

[0015] Through the cooperation of the water tank, heating plate, water pump and heat pipe, the machine casing can be heated to prevent the material from solidifying.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 This is a schematic diagram of the front view and cross-section structure of a single-screw extruder with quantitative discharging proposed by the utility model;

[0019] Figure 2 for Figure 1 A is a magnified view of the local structure of the middle part;

[0020] Figure 3 The utility model discloses a sealing plug stereogram of a single-screw extruder with quantitative discharging.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Base; 2. Machine body; 3. First bracket; 4. Weight sensor; 5. Storage barrel; 6. Discharge pipe; 7. Second bracket; 8. Hydraulic cylinder; 9. Sealing plug; 10. Discharge hole; 11. Feed inlet; 12. Auger; 13. Controller; 14. Protective shell; 15. Rotating rod; 16. Motor; 17. Heat pipe; 18. Discharge pipe; 19. Water tank; 20. Water pump; 21. Heating plate. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figure 1-3 In an embodiment of the utility model, a single-screw extruder with quantitative discharge includes a base 1, the base 1 is fixedly connected to an organic housing 2 through a plurality of supporting legs, a plurality of first brackets 3 are fixedly connected to the upper side wall of the housing 2, a weight sensor 4 is fixedly connected to the upper end of the plurality of first brackets 3, a storage barrel 5 is fixedly connected to the upper side wall of the weight sensor 4, a discharge pipe 6 is fixedly connected to the bottom side wall of the storage barrel 5, the longitudinal section of the discharge pipe 6 is convex, a plurality of second brackets 7 are fixedly connected to the inner side wall of the discharge pipe 6, and a hydraulic cylinder 8 is fixedly connected to the side wall between the plurality of second brackets 7, The telescopic end of the hydraulic cylinder 8 is fixedly connected to a sealing plug 9, which is provided with a plurality of discharge holes 10, and the longitudinal sections of the plurality of discharge holes 10 are L-shaped. A controller 13 is fixedly connected to the side wall of the first bracket 3, and the controller 13 is electrically connected to the weight sensor 4 and the hydraulic cylinder 8. A feed port 11 is provided in a through-set manner on the casing 2, and a motor 16 is fixedly connected to the outer wall of the casing 2. The output end of the motor 16 passes through the side wall of the casing 2 and is fixedly connected to a rotating rod 15, and a screw 12 is fixedly connected to the rotating rod 15. A heating component is provided on the casing 2.

[0027] Specifically, the heating assembly includes a heat pipe 17, which is fixedly connected to the side wall of the casing 2 in a spiral shape, a water tank 19 is fixedly connected to the base 1, a heating plate 21 is fixedly connected to the inner wall of the water tank 19, a water pump 20 is fixedly connected to the base 1, and the water pump 20 is connected to the water tank 19. Both ends of the heat pipe 17 are respectively connected to the water tank 19 and the water pump 20, so that heat circulates, thereby ensuring the temperature inside the casing 2 and preventing the temperature inside the casing 2 from solidifying.

[0028] Specifically, a protective shell 14 is fixedly connected to the housing 2, and the heat pipe 17 is located in the protective shell 14, which can prevent the heat of the heat pipe 17 from scalding workers and reduce heat loss.

[0029] Specifically, the plurality of second brackets 7 and the plurality of discharge holes 10 are arranged in a staggered manner, and the material will avoid the second brackets when being discharged, thereby preventing the material from being accumulated on the second brackets.

[0030] Specifically, one end of the casing 2 is fixedly connected with a discharge pipe 18, and the discharge pipe 18 is arranged in an inclined shape to facilitate the discharge of materials.

[0031] Specifically, the inner bottom side wall of the storage barrel 5 is arranged in an inclined shape to facilitate the discharge of the material box discharge pipe 6.

[0032] The working principle of the utility model is: when in use, the material is poured into the storage barrel 5, the weight sensor 4 weighs the material and transmits the signal to the controller 13, the discharge amount is controlled by the controller 13, the controller 13 controls the hydraulic cylinder 8 to move downward, the bottom end of the discharge hole 10 is exposed, and the material is discharged. The weight sensor 4 monitors the weight of the material in real time. When the weight inside is reduced to reach the specified value, the controller 13 controls the telescopic end of the hydraulic cylinder 8 to move up, and the discharge hole 10 is blocked, so as to achieve the purpose of precise quantity control, and the water in the water tank 19 is heated by the heating plate 21, and then the water pump 20 is started, so that the hot water circulates in the heat pipe 17, and completes heat exchange with the machine casing 2 during the flow process, thereby ensuring the temperature inside the machine casing 2, and achieving the purpose of preventing the temperature inside the machine casing 2 from solidifying.

[0033] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A single screw extruder with quantitative discharging, comprising a base (1), characterized in that: The base (1) is fixedly connected to the housing (2) via a plurality of supporting legs; a plurality of first brackets (3) are fixedly connected to the upper side wall of the housing (2); a weight sensor (4) is fixedly connected to the upper end of the plurality of first brackets (3); a storage barrel (5) is fixedly connected to the upper side wall of the weight sensor (4); a discharge pipe (6) is fixedly connected to the bottom side wall of the storage barrel (5); the discharge pipe (6) has a convex longitudinal section; a plurality of second brackets (7) are fixedly connected to the inner side wall of the discharge pipe (6); a hydraulic cylinder (8) is fixedly connected to the side wall between the plurality of second brackets (7); a sealing plug (9) is fixedly connected to the telescopic end of the hydraulic cylinder (8); The sealing plug (9) is provided with a plurality of discharge holes (10), and the longitudinal sections of the plurality of discharge holes (10) are arranged in an L-shape. A controller (13) is fixedly connected to the side wall of the first bracket (3), and the controller (13) is electrically connected to the weight sensor (4) and the hydraulic cylinder (8). A feed port (11) is provided in a through-set manner on the housing (2). A motor (16) is fixedly connected to the outer side wall of the housing (2), and the output end of the motor (16) passes through the side wall of the housing (2) and is fixedly connected to a rotating rod (15), and a screw auger (12) is fixedly connected to the rotating rod (15). A heating component is provided on the housing (2).

2. A single screw extruder with quantitative discharging according to claim 1, characterized in that: The heating assembly comprises a heat pipe (17), the heat pipe (17) being fixedly connected to the side wall of the housing (2) in a spiral shape, the base (1) being fixedly connected to a water tank (19), the inner wall of the water tank (19) being fixedly connected to a heating plate (21), the base (1) being fixedly connected to a water pump (20), the water pump (20) being connected to the water tank (19), and the two ends of the heat pipe (17) being respectively connected to the water tank (19) and the water pump (20).

3. A single screw extruder with quantitative discharging according to claim 2, characterized in that: A protective shell (14) is fixedly connected to the housing (2), and the heat pipe (17) is located inside the protective shell (14).

4. A single screw extruder with quantitative discharging according to claim 3, characterized in that: The plurality of second brackets (7) and the plurality of discharge holes (10) are arranged in a staggered manner.

5. A single screw extruder with quantitative discharging according to claim 4, characterized in that: One end of the machine housing (2) is fixedly connected to a discharge pipe (18), and the discharge pipe (18) is arranged in an inclined shape.

6. A single screw extruder with quantitative discharging according to claim 5, characterized in that: The inner bottom side wall of the storage barrel (5) is arranged in an inclined shape.

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