Conical double-screw crushing and mixing machine

By designing crushing and mixing components and pretreatment components, the problem of material agglomeration in conical twin-screw mixers under humid conditions was solved, achieving pre-crushing and uniform mixing of agglomerated raw materials and improving the mixing effect.

CN223570559UActive Publication Date: 2025-11-21ZHEJIANG RUANS PLASTIC IND
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Patent Information

Application Number
CN202422528874.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-19
Publication Date
2025-11-21
Estimated Expiration
2034-10-19

AI Technical Summary

Technical Problem

Existing conical twin-screw mixers are prone to material agglomeration under humid conditions, making it difficult to quickly crush materials at the feed inlet. Agglomerated raw materials are difficult to mix evenly inside the conical cylinder.

Method used

The system employs a crushing and mixing component and a pretreatment component. The crushing and mixing component consists of a servo motor, a central shaft, an outer spiral mixing paddle, and an inner spiral mixing paddle. The pretreatment component consists of a storage tank, a top shaft, a pulley, a transmission belt, and crushing teeth. The material is pre-crushed and mixed by the staggered mixing paddles and crushing teeth.

Benefits of technology

It effectively breaks up agglomerated raw materials, ensuring uniform mixing of materials within the conical cylinder and improving mixing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a conical twin-screw crushing and mixing machine which comprises a support frame, a box body and a feeding pipe, the box body is fixedly connected to the support frame, the feeding pipe is fixedly connected to the top of the box body and is communicated with the interior of the box body, the conical twin-screw crushing and mixing machine further comprises a crushing and mixing assembly and a pretreatment assembly, the crushing and mixing assembly is arranged in the box body, and the pretreatment assembly is arranged in the box body. And the pretreatment assembly is arranged at the top of the box body. The utility model belongs to the technical field of crushing and mixing equipment, and particularly relates to a conical double-screw crushing and mixing machine which solves the problems that raw materials are not convenient to crush and are difficult to uniformly mix when entering a conical barrel due to the fact that the materials are caked due to factors such as humidity.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to broken mixing equipment technical field especially relates to a conical double screw broken mixing machine. BACKGROUND

[0002] The conical double screw mixing machine is composed of a conical outer cylinder, a stirring shaft, inner and outer helical stirring blades fixed on the stirring shaft, and a driving motor for driving the stirring shaft.

[0003] The existing double screw mixing machine may encounter the following problems during operation: the material may be caked due to moisture and other factors; the feeding port is not convenient for quickly crushing the caked raw material, which causes the caked raw material to directly enter the conical cylinder and is difficult to uniformly mix, and cannot meet the use requirement. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the material may be caked due to moisture and other factors, and the raw material is difficult to uniformly mix after entering the conical cylinder.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a conical double screw broken mixing machine, comprising a support frame, a box body and a feeding pipe, the box body is fixedly connected to the support frame, the feeding pipe is fixedly connected to the top of the box body and communicates with the inside thereof, further comprising a broken mixing assembly and a pretreatment assembly, the broken mixing assembly is arranged in the inside of the box body, the pretreatment assembly is arranged on the top of the box body, the broken mixing assembly is used for broken mixing treatment of the material, and the pretreatment assembly is used for pretreatment of the material.

[0006] Further, the broken mixing assembly comprises a servo motor, a central shaft, an outer helical mixing paddle and an inner helical mixing paddle, wherein:

[0007] The top of the box body is fixedly connected with a top frame, the servo motor is fixedly installed on the top frame, the central shaft is fixedly connected to the output end of the servo motor, and the lower end thereof is rotatably arranged in the inside of the box body, the outer helical mixing paddle and the inner helical mixing paddle are fixedly connected to the central shaft, and they are arranged in a staggered manner.

[0008] Further, the pretreatment assembly comprises a storage barrel, a top shaft, a belt pulley one, a belt pulley two, a transmission belt and a broken tooth, wherein:

[0009] The storage barrel is fixedly connected at the top of the box body, the top shaft is rotatably connected at the top of the box body, the top shaft is vertically penetrated through the bottom of the storage barrel and rotatably connected at the inner top of the storage barrel, the belt pulley I is fixedly connected on the central shaft, the belt pulley II is fixedly connected on the top shaft, the transmission belt is connected with the belt pulley I and the belt pulley II, the crushing teeth are fixedly connected on the top shaft and are uniformly arranged and distributed, and the communication pipe is fixedly connected between the storage barrel and the box body.

[0010] Further, the storage barrel is provided with a feeding port at the top, the fixed teeth are fixedly connected on the inner wall of the storage barrel and are arranged in a ring shape, and the fixed teeth are linearly and equidistantly arranged.

[0011] Further, the outer spiral mixing paddle and the inner spiral mixing paddle are both provided with pointed outer walls, and the diameters of the outer spiral mixing paddle and the inner spiral mixing paddle are both gradually reduced from top to bottom.

[0012] Further, the diameters of the inner walls of the box body are gradually reduced from top to bottom, the inner frame is fixedly connected between the inner walls of the box body, and the central shaft is vertically penetrated through the center of the inner frame and rotatably connected therewith.

[0013] Further, the central shaft is fixedly connected with the propeller blade at the lower end, and the bottom cover is threadedly connected at the bottom of the box body.

[0014] After the above structure is adopted, the beneficial effects of the present application are as follows:

[0015] (1) The raw materials can be mixed by the outer spiral mixing paddle and the inner spiral mixing paddle, and the pointed outer walls can break the caked raw materials;

[0016] (2) The uniform rotation of the crushing teeth in the storage barrel in cooperation with the fixed teeth on the inner wall can break the caked raw materials, and the broken raw materials can enter the box body through the communication pipe, so as to ensure the mixing effect of the raw materials;

[0017] (3) The rotation of the propeller blade can uniformly convey the mixed raw materials out of the box body, and the inner frame can increase the stability of the central shaft during rotation. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0019] Figure 1 The present application provides a whole structure schematic view of a conical double-screw crushing and mixing machine;

[0020] Figure 2A front view of a conical double-screw crushing mixer is provided in the utility model.

[0021] Figure 3 A half sectional view of the conical double-screw crushing mixer is provided in the utility model.

[0022] Figure 4 Another planar sectional view of the conical double-screw crushing mixer is provided in the utility model.

[0023] In the drawings: 1, support frame, 2, box, 3, feed pipe, 4, servo motor, 5, center shaft, 6, outer spiral mixing paddle, 7, inner spiral mixing paddle, 8, top frame, 9, storage barrel, 10, top shaft, 11, pulley one, 12, pulley two, 13, transmission belt, 14, crushing teeth, 15, communication pipe, 16, feed inlet, 17, fixed tooth, 18, inner frame, 19, propeller blade, 20, bottom cover. DETAILED DESCRIPTION

[0024] As Figures 1-2 shown, a conical double-screw crushing mixer, it includes support frame 1, box 2 and feed pipe 3, box 2 is fixedly connected on support frame 1, feed pipe 3 is fixedly connected on the top of box 2 and with its inside communication, still includes crushing mixing assembly and pretreatment assembly, crushing mixing assembly is located in the inside of box 2, pretreatment assembly is located on the top of box 2.

[0025] Through crushing mixing assembly, the material is crushed and mixed, and through pretreatment assembly, the material is pre-crushed.

[0026] As Figures 1-4 shown, in order to mix the material, crushing mixing assembly includes servo motor 4, center shaft 5, outer spiral mixing paddle 6 and inner spiral mixing paddle 7, box 2 top is fixedly connected with top frame 8, servo motor 4 is fixedly installed on top frame 8, center shaft 5 is fixedly connected on the output end of servo motor 4, and its lower end is rotatably arranged in the inside of box 2, outer spiral mixing paddle and inner spiral mixing paddle are all fixedly connected on center shaft 5, and it is staggered.

[0027] As Figures 1-4As shown, in order to pre-crushing treatment of caked material, the pretreatment assembly includes a storage bucket 9, top shaft 10, pulley one 11, pulley two 12, drive belt 13 and crushing teeth 14, the storage bucket 9 is fixedly connected to the top of the box 2, the lower end of the top shaft 10 is rotatably connected to the top of the box 2, the upper end of the top shaft 10 vertically penetrates the bottom of the storage bucket 9 and is rotatably connected to the inner top of the storage bucket 9, the pulley one 11 is fixedly connected to the central shaft 5, the pulley two 12 is fixedly connected to the top shaft 10, the drive belt 13 connects the pulley one 11 and the pulley two 12, the crushing teeth 14 is fixedly connected to the top shaft 10, and it is evenly arranged and distributed, and the storage bucket 9 is fixedly connected with the box 2 between the communication pipe 15.

[0028] In order to increase the crushing effect of the caked raw material, the fixed teeth 17 are fixedly connected to the inner wall of the storage bucket 9, and they are arranged in a ring shape, and the fixed teeth 17 are arranged in a linear equal interval.

[0029] In order to increase the stability of the central shaft 5 in rotation, the inner frame 18 is fixedly connected between the inner wall of the box 2, and the lower end of the central shaft 5 vertically penetrates the center of the inner frame 18 and is rotatably connected thereto.

[0030] In order to uniformly outwardly convey the material, the propeller blade 19 is fixedly connected to the lower end of the central shaft 5.

[0031] The top of the storage bucket 9 is provided with a feed inlet 16, the outer wall of the outer spiral mixing paddle and the inner spiral mixing paddle is arranged in a sharp shape, the diameter of the outer spiral mixing paddle and the inner spiral mixing paddle is arranged in a decreasing manner from top to bottom, the diameter of the inner wall of the box 2 is arranged in a decreasing manner from top to bottom, and the bottom cover 20 is threadedly connected to the bottom of the box 2.

[0032] In specific use, if the raw material has no caking phenomenon, the material is added to the box 2 through the feed pipe 3, the servo motor 4 is started, and the rotation of the central shaft 5 makes the outer spiral mixing paddle and the inner spiral mixing paddle rotate uniformly, so as to mix the material;

[0033] If the raw material appears caking phenomenon, it is added to the storage bucket 9 through the feed inlet 16, the servo motor 4 is started, and the rotation of the central shaft 5 makes the pulley one 11 drive the drive belt 13, the pulley two 12 and the top shaft 10 to rotate uniformly, the rotation of the crushing teeth 14 cooperates with the arrangement of the fixed teeth 17 to crush the material, and then enters the box 2 through the communication pipe 15, the outer spiral mixing paddle and the inner spiral mixing paddle rotate uniformly to mix the material, and the sharp arrangement of the outer wall of the outer spiral mixing paddle and the inner spiral mixing paddle can also crush the material;

[0034] When the mixing is completed and the material needs to be discharged, the bottom cover 20 is unscrewed, and the rotation of the propeller blade 19 uniformly downwardly conveys the raw material.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A conical twin-screw crusher and mixer, comprising a support frame, a housing, and a feed pipe, wherein the housing is fixedly connected to the support frame, and the feed pipe is fixedly connected to the top of the housing and communicates with its interior, characterized in that: It also includes a crushing and mixing component and a pretreatment component. The crushing and mixing component is located inside the housing, and the pretreatment component is located at the top of the housing. The crushing and mixing component is used for crushing and mixing the materials, and the pretreatment component is used for pre-crushing the materials. The pretreatment assembly includes a storage tank, a top shaft, a first pulley, a second pulley, a drive belt, and crushing teeth, wherein: The storage hopper is fixedly connected to the top of the box body. The lower end of the top shaft is rotatably connected to the top of the box body. The upper end of the top shaft vertically penetrates the bottom of the storage hopper and is rotatably connected to the inner top of the storage hopper. Pulley 1 is fixedly connected to the central shaft. Pulley 2 is fixedly connected to the top shaft. The transmission belt connects Pulley 1 and Pulley 2. The crushing teeth are fixedly connected to the top shaft and are evenly distributed. A connecting pipe is fixedly connected between the storage hopper and the box body.

2. The conical twin-screw crusher and mixer according to claim 1, characterized in that: The crushing and mixing assembly includes a servo motor, a central shaft, an outer spiral mixing propeller, and an inner spiral mixing propeller, wherein: A top frame is fixedly connected to the top of the housing, the servo motor is fixedly mounted on the top frame, the central shaft is fixedly connected to the output end of the servo motor, and its lower end is rotatably located inside the housing. The outer spiral mixing propeller and the inner spiral mixing propeller are both fixedly connected to the central shaft, and they are arranged in an alternating manner.

3. The conical twin-screw crusher and mixer according to claim 2, characterized in that: The storage hopper is provided with a feed inlet at the top, and fixed teeth are fixedly connected to the inner wall of the storage hopper in a ring shape. The fixed teeth are arranged linearly at equal intervals.

4. The conical twin-screw crusher and mixer according to claim 3, characterized in that: The outer walls of both the outer and inner spiral mixing propellers are pointed, and the diameters of both propellers decrease from top to bottom.

5. A conical twin-screw crusher and mixer according to claim 4, characterized in that: The diameter of the inner wall of the box decreases from top to bottom. An inner frame is fixedly connected between the inner walls of the box. The lower end of the central shaft passes vertically through the center of the inner frame and is rotatably connected to it.

6. The conical twin-screw crusher and mixer according to claim 5, characterized in that: A propeller blade is fixedly connected to the lower end of the central shaft, and a bottom cover is threadedly connected to the bottom of the housing.