kneading device

By employing a design that allows the first and second rotating shafts to rotate synchronously in the kneading device, and utilizing the interlocking of elliptical blades, the problem of uneven material mixing is solved, achieving a more efficient material dispersion and kneading effect.

CN224404870UActive Publication Date: 2026-06-26CHINA PETROCHEMICAL CORP +3

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA PETROCHEMICAL CORP
Filing Date
2025-06-06
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing kneading devices have weak frictional and tearing capabilities for materials, resulting in uneven mixing.

Method used

The design adopts a synchronous rotation of the first and second rotating shafts, with the first and second blades interlocking to form an ellipse and arranged in different directions, which enhances the friction and tearing effect and reduces the dead corners of the stirring.

Benefits of technology

It improves the mixing uniformity and dispersion kneading efficiency of materials, ensures that there are no dead zones in the mixing process, and enhances the mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the material stirring technical field, in particular to a kneading device. The kneading device comprises a rack, a cylinder body and a stirring assembly. The cylinder body is arranged on the rack, and the cylinder body is provided with a containing cavity. The stirring assembly comprises a first rotating shaft, a second rotating shaft, a plurality of first paddles and a plurality of second paddles. The first rotating shaft and the second rotating shaft are at least partially rotationally arranged in the containing cavity, and the first rotating shaft and the second rotating shaft are arranged in parallel along a first direction and synchronously rotate, the first direction being perpendicular to the axial direction of the first rotating shaft. The shapes of the plurality of first paddles and the plurality of second paddles are all oval. The plurality of first paddles are all sleeved on the first rotating shaft, the plurality of second paddles are all sleeved on the second rotating shaft, the plurality of first paddles and the plurality of second paddles are one-to-one corresponding and mutually matched, and the adjacent two first paddles and the adjacent two second paddles are mutually embedded.
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Description

Technical Field

[0001] This application relates to the field of material mixing technology, and in particular to a kneading device. Background Technology

[0002] Kneading devices are highly efficient mixing equipment widely used in various industries such as chemical, pharmaceutical, and plastics. Kneading devices primarily mix materials through the shearing action generated by a set of cooperating blades, thus offering advantages such as ensuring uniform material mixing.

[0003] In the prior art, the kneading device has a weak ability to frictionally tear materials, resulting in uneven mixing of materials after being stirred by the kneading device. Utility Model Content

[0004] This application discloses a kneading device that can improve the tearing ability of materials to improve the uniformity of the materials.

[0005] To achieve the above objectives, this application discloses a kneading device, comprising:

[0006] frame;

[0007] A cylinder body, which is mounted on the frame and has a receiving cavity;

[0008] A stirring assembly includes a first rotating shaft, a second rotating shaft, a plurality of first blades, and a plurality of second blades. The first rotating shaft and the second rotating shaft are at least partially rotatably disposed within the receiving cavity. The first rotating shaft and the second rotating shaft are parallel to each other and rotate synchronously along a first direction, which is perpendicular to the axial direction of the first rotating shaft. The plurality of first blades and the plurality of second blades are all elliptical in shape. The plurality of first blades are all sleeved on the first rotating shaft, and the plurality of second blades are all sleeved on the second rotating shaft. The plurality of first blades and the plurality of second blades correspond one-to-one and cooperate with each other. Adjacent first blades and adjacent second blades are interlocked with each other.

[0009] Optionally, the major axes of two adjacent first blades are perpendicular to each other, and the major axes of two adjacent second blades are perpendicular to each other.

[0010] The long axis of the first blade and the long axis of the second blade are perpendicular to each other and form a first gap in the first direction.

[0011] Optionally, a gap is formed between the long axis ends of two adjacent first blades with parallel long axes to allow the long axis end of the second blade to extend into it, and a second gap is formed between the long axis end of the second blade extending into the gap and the long axis ends of the first blades on both sides.

[0012] Optionally, the width of the first gap is smaller than the width of the second gap.

[0013] Optionally, the cylinder body has a first arc surface and a second arc surface for forming the receiving cavity and connecting to each other, the first arc surface cooperating with the first rotating shaft, and the second arc surface cooperating with the second rotating shaft.

[0014] Optionally, it also includes a heating assembly disposed on the frame, the heating assembly being used to heat the receiving cavity.

[0015] Optionally, the cylinder body is provided with a sandwich space, the heating component is connected to the sandwich space, and the heating component delivers a heating medium to the sandwich space to heat the receiving cavity.

[0016] Optionally, it also includes:

[0017] A tilting assembly, rotatably mounted on the frame, a cylinder disposed on the tilting assembly, the tilting assembly being used to tilt the cylinder to discharge material; and

[0018] A drive component is disposed on the flipping component, and the drive component connects the first rotating shaft and the second rotating shaft.

[0019] Optionally, the drive assembly and the cylinder are located on opposite sides of the tilting assembly.

[0020] The cylinder has an opening that connects to the receiving cavity, with the opening facing upwards. The flipping assembly is configured to flip the cylinder and make the opening face downwards for feeding.

[0021] The kneading device provided in this application has at least the following advantages compared with the prior art:

[0022] The kneading device of this application has two adjacent first blades interlocked with each other and two adjacent second blades interlocked with each other, which reduces the stirring dead angle formed between two adjacent first blades and two adjacent second blades, so that there will be no unstirred material between two adjacent first blades and two adjacent second blades, thus ensuring the uniformity of material dispersion and kneading. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] The present application will be described in more detail below based on embodiments and with reference to the accompanying drawings. Wherein:

[0025] Figure 1 This is a half-sectional view of the kneading device provided in the embodiments of this application;

[0026] Figure 2 This is a schematic diagram of the structure of the stirring assembly provided in the embodiments of this application;

[0027] Figure 3 This is a schematic diagram of the internal structure of the cylinder provided in an embodiment of this application;

[0028] Figure 4 This is a schematic diagram of the kneading device provided in the embodiments of this application.

[0029] In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0030] Figure label:

[0031] 1- Kneading device;

[0032] 11-Rack;

[0033] 12-Cylinder block; 121-Receiving cavity; 122-First arc surface; 123-Second arc surface; 124-Intercalation space; 125-Opening;

[0034] 13-Stirring assembly; 131-First rotating shaft; 132-Second rotating shaft; 133-First impeller; 134-Second impeller; 135-First gap; 136-Second gap;

[0035] 14-Flip assembly; 141-Base; 142-Flip bushing; 143-Locking pin; 144-Flip handle;

[0036] 15-Drive assembly; 151-Motor; 152-Gear set. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0038] In this application, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0040] The technical solution of this application will be further described below with reference to specific embodiments and accompanying drawings.

[0041] Please refer to the following: Figure 1 , Figure 2 and Figure 3 This application provides a kneading device 1, including a frame 11, a cylinder 12, and a stirring assembly 13. The cylinder 12 is disposed on the frame 11 and has a receiving cavity 121. The stirring assembly 13 includes a first rotating shaft 131, a second rotating shaft 132, a plurality of first blades 133, and a plurality of second blades 134. The first rotating shaft 131 and the second rotating shaft 132 are at least partially rotatably disposed within the receiving cavity 121, and the first rotating shaft 131 and the second rotating shaft 132 are aligned along a first direction (e.g., ...). Figure 3 (As shown in the X direction) Parallel spacing and synchronous rotation, the first direction is perpendicular to the axial direction of the first rotating shaft 131; the multiple first blades 133 and multiple second blades 134 are all elliptical in shape, the multiple first blades 133 are all sleeved on the first rotating shaft 131, the multiple second blades 134 are all sleeved on the second rotating shaft 132, the multiple first blades 133 and multiple second blades 134 correspond one-to-one and cooperate with each other, and adjacent two first blades 133 and adjacent two second blades 134 are all interlocked.

[0042] The first rotating shaft 131 and the second rotating shaft 132 can rotate in opposite directions or in the same direction; this is not limited here. That is, the rotation directions of the first rotating shaft 131 and the second rotating shaft 132 can be opposite or the same. However, it should be noted that the first rotating shaft 131 and the second rotating shaft 132 need to rotate synchronously to prevent interference caused by differences in rotational speed and other factors, thereby avoiding jamming of the first rotating shaft 131 and the second rotating shaft 132.

[0043] In this embodiment, when the first rotating shaft 131 and the second rotating shaft 132 rotate synchronously, they drive the first blade 133 and the second blade 134 to rotate. The corresponding and mutually cooperating first blade 133 and second blade 134 tear the material, thereby making the material evenly mixed.

[0044] In this embodiment, multiple first blades 133 are arranged along the axial direction of the first rotating shaft 131, and adjacent first blades 133 are interlocked with each other. Similarly, multiple second blades 134 are arranged along the axial direction of the second rotating shaft 132, and adjacent second blades 134 are interlocked with each other. This reduces the stirring dead angle formed between adjacent first blades 133 and adjacent second blades 134, ensuring that there is no unstirred material between adjacent first blades 133 and adjacent second blades 134, thus ensuring the uniformity of material dispersion and kneading.

[0045] Please refer to the following: Figure 2 and Figure 3 In some embodiments, the major axes of two adjacent first blades 133 are perpendicular to each other, and the major axes of two adjacent second blades 134 are perpendicular to each other. The major axes of the corresponding and mutually cooperating first blades 133 and the major axes of the second blades 134 are perpendicular to each other and form a first gap 135 in a first direction.

[0046] In this embodiment, since the first rotating shaft 131 and the second rotating shaft 132 rotate synchronously, during the process in which the first rotating shaft 131 and the second rotating shaft 132 drive the corresponding and mutually cooperating first blade 133 and second blade 134, the long axis of the first blade 133 and the long axis of the second blade 134 remain perpendicular to each other.

[0047] Understandably, during the process where the first rotating shaft 131 and the second rotating shaft 132 respectively drive the corresponding and mutually cooperating first blade 133 and second blade 134, at least a portion of the material is rubbed, torn, and aggregated by the first blade 133 and second blade 134 within the first gap 135, thereby achieving the effect of material mixing and improving the uniformity of material mixing. Simultaneously, the long axes of two adjacent first blades 133 and the long axes of two adjacent second blades 134 are perpendicular to each other, which allows the first blades 133 and second blades 134 to enhance the uniformity of material mixing and improve the efficiency of material dispersion and kneading during rotation.

[0048] In some other embodiments, obtuse angles may be formed between the major axes of two adjacent first blades 133 and between the major axes of two adjacent second blades 134.

[0049] Please continue reading. Figure 2 and Figure 3In some more specific embodiments, a gap is formed between the long axis ends of two adjacent first blades 133 with parallel long axes to allow the long axis end of the second blade 134 to extend into it, and a second gap 136 is formed between the long axis end of the second blade 134 extending into the gap and the long axis ends of the first blades 133 on both sides.

[0050] It is understandable that since the major axes of two adjacent first blades 133 are perpendicular to each other, the major axes of two first blades 133 separated by one first blade 133 are parallel to each other. Therefore, the first blades 133 with adjacent major axes parallel to each other refer to the two first blades 133 separated by one first blade 133.

[0051] Since the first blade 133 is elliptical, its major axis is longer than its minor axis, allowing a gap to be formed between the ends of the major axes of two adjacent first blades 133 with parallel major axes, so that the end of the major axis of the second blade 134 can extend into it. It is understood that this gap is formed on the outer side corresponding to the minor axis of the first blade 133 in the intermediate position; therefore, the second blade 134 refers to the second blade 134 that corresponds to and cooperates with the first blade 133 in the intermediate position.

[0052] In this embodiment, during the process of the first rotating shaft 131 and the second rotating shaft 132 respectively driving the corresponding and mutually cooperating first blade 133 and second blade 134, at least part of the material is rubbed, torn and gathered by the first blade 133 and the second blade 134 in the second gap 136, thereby achieving the effect of material mixing and improving the uniformity of material mixing.

[0053] Similarly, a gap is formed between the long axis ends of two adjacent second blades 134 with parallel long axes to allow the long axis end of the first blade 133 to extend into it, and a second gap 136 is formed between the long axis end of the first blade 133 extending into the gap and the long axis ends of the second blades 134 on both sides, which will not be described in detail here.

[0054] In some other more specific embodiments, the long shaft end of the second blade 134 extending into the gap may also be in contact with the long shaft ends of the first blades 133 on both sides.

[0055] In some more specific embodiments, the width of the first gap 135 is smaller than the width of the second gap 136.

[0056] It should be noted that since the friction exerted on the material in the first gap 135 by the first blade 133 and the second blade 134 is relatively small, while the friction between the long shaft end of the second blade 134 extending into the gap and the long shaft ends of the first blades 133 on both sides, or between the long shaft end of the first blade 133 extending into the gap and the long shaft ends of the second blades 134 on both sides, is relatively large, this embodiment sets the width of the first gap 135 to be smaller than the width of the second gap 136, so that more material flows into the second gap 136 for processing, thereby improving the material processing efficiency.

[0057] In some other, more specific embodiments, the width of the first gap 135 may also be equal to the width of the second gap 136.

[0058] Please see Figure 3 In some embodiments, the cylinder body 12 has a first arc surface 122 and a second arc surface 123 for forming a receiving cavity 121 and being interconnected. The first arc surface 122 is engaged with the first blade 133, and the second arc surface 123 is engaged with the second blade 134.

[0059] The first arc surface 122 is parallel to the rotation axis of the first rotating shaft 131, and the distance from the first arc surface 122 to the rotation axis of the first rotating shaft 131 is equal everywhere. That is to say, the first arc surface 122 is centered on the rotation axis of the first rotating shaft 131. In other words, in a cross section perpendicular to the rotation axis of the first rotating shaft 131, the arc formed by the first arc surface 122 is centered on the point formed by the rotation axis of the first rotating shaft 131.

[0060] The first arc surface 122 and the first blade 133 are coupled in such a way that the point furthest from the first shaft 131 on the rotation path of the first blade 133 is closest to the first arc surface 122, and the distance between them is constant. In other words, a third gap is formed between the first blade 133 and the first arc surface 122 during rotation. As the first shaft 131 drives the first blade 133 to rotate, the material in the third gap is torn and gathered by the friction between the first blade 133 and the first arc surface 122, thereby achieving the effect of mixing the material and improving the efficiency of material dispersion and kneading.

[0061] Similarly, the second arc surface 123 is parallel to the rotation axis of the second rotating shaft 132, and the distance from the second arc surface 123 to the rotation axis of the second rotating shaft 132 is equal everywhere. That is to say, the second arc surface 123 is centered on the rotation axis of the second rotating shaft 132. In other words, in a cross section perpendicular to the rotation axis of the second rotating shaft 132, the arc formed by the second arc surface 123 is centered on the point formed by the rotation axis of the second rotating shaft 132.

[0062] The second arc surface 123 and the second blade 134 are coupled in such a way that the point furthest from the second shaft 132 on the rotation path of the second blade 134 is closest to the second arc surface 123, and the distance between them is constant. In other words, a fourth gap is formed between the second blade 134 and the second arc surface 123 during rotation. As the second shaft 132 drives the second blade 134 to rotate, the material in the fourth gap is torn and gathered by the friction between the second blade 134 and the second arc surface 123, thereby achieving the effect of mixing the material and improving the efficiency of material dispersion and kneading.

[0063] In some other embodiments, the first arc surface 122 and the second arc surface 123 can be replaced by the first plane and the second plane, respectively.

[0064] In some embodiments, the kneading device 1 further includes a heating assembly (not shown) disposed on the frame 11, which is used to heat the receiving cavity 121.

[0065] The heating component is used to heat the receiving cavity 121 and can ensure that the receiving cavity 121 is in a constant temperature state, thereby increasing the temperature of the material in the receiving cavity 121, making it easier for the moisture in the material in the receiving cavity 121 to evaporate, and further improving the efficiency of material dispersion and kneading.

[0066] In some other embodiments, the moisture in the material may also evaporate naturally.

[0067] Please see Figure 3 In some more specific embodiments, the cylinder body 12 is provided with a double-layer space 124, the heating component is connected to the double-layer space 124, and the heating component delivers the heating medium to the double-layer space 124 to heat the receiving cavity 121.

[0068] In this embodiment, the interlayer space 124 is located outside the receiving cavity 121, and the heating component passes the heating medium into the interlayer space 124 to heat the receiving cavity 121.

[0069] The heating medium can be hot water or hot oil, or other media, which are not limited here.

[0070] In some other more specific embodiments, a heating cylinder may be provided on the outside of the cylinder body 12, and the heating cylinder may cover the cylinder body 12.

[0071] Please see Figure 1In some embodiments, the kneading device 1 further includes a flipping assembly 14 and a driving assembly 15. The flipping assembly 14 is rotatably mounted on the frame 11, and the cylinder 12 is mounted on the flipping assembly 14. The flipping assembly 14 is used to flip the material below the cylinder 12. The driving assembly 15 is mounted on the flipping assembly 14 and connects the first rotating shaft 131 and the second rotating shaft 132.

[0072] The working principle of this embodiment is as follows: the drive assembly 15 drives the first rotating shaft 131 and the second rotating shaft 132 to rotate, thereby driving the first blade 133 and the second blade 134 to rotate. The rotation of the first blade 133 and the second blade 134 disperses and kneads the material. After the material is processed, the flipping assembly 14 flips the cylinder 12 to discharge the material.

[0073] Please refer to the following: Figure 1 and Figure 4 The drive assembly 15 includes a motor 151, a gear set 152, and a housing (not shown in the figure). The motor 151 is connected to the gear set 152, and both the motor 151 and the gear set 152 are located inside the housing. The housing is connected to the tilting assembly 14, and the cylinder 12 is connected to the housing. The first rotating shaft 131 and the second rotating shaft 132 are connected to the gear set 152. The motor 151 drives the gear set 152 to rotate the first rotating shaft 131 and the second rotating shaft 132.

[0074] The flipping assembly 14 includes a base 141, a flipping bushing 142, a locking pin 143, and a flipping handle 144. The base 141 is connected to the frame 11. The flipping bushing 142 is fitted onto the housing of the drive assembly 15 and rotatably mounted on the base 141. The flipping handle 144 is connected to the bushing, and the locking pin 143 is detachably mounted on the flipping bushing 142.

[0075] When the drive assembly 15 drives the first rotating shaft 131 and the second rotating shaft 132 to rotate, the locking pin 143 is connected to the flipping bushing 142 and locks the flipping bushing 142. When it is necessary to unload the material, the locking pin 143 is removed from the flipping bushing 142, and the flipping bushing 142 is rotated by the flipping handle 144 to drive the housing to flip, thereby driving the cylinder 12 to flip and unload the material.

[0076] In some other embodiments, the cylinder 12 may also be detachably connected to the frame 11, and the material can be unloaded by disassembling the cylinder 12 when it is necessary to unload the material.

[0077] Please continue reading. Figure 1 and Figure 4 In some embodiments, the drive assembly 15 and the cylinder 12 are located on opposite sides of the tilting assembly 14.

[0078] The drive assembly 15 is located on both sides of the cylinder body 12 and the flip assembly 14, which can balance the center of gravity of the kneading device 1 and thus prevent the flip assembly 14 from tipping over.

[0079] Please refer to the following: Figure 1 and Figure 3 In some more specific embodiments, the cylinder 12 has an opening 125 that communicates with the receiving cavity 121, with the opening 125 facing upwards, and the flipping assembly 14 is configured to drive the cylinder 12 to flip and make the opening 125 face downwards for feeding.

[0080] In this embodiment, the opening 125 is set to face upwards, so that the water vapor formed by evaporation can leave the receiving cavity 121 through the opening 125. That is to say, the water vapor will not accumulate at the top of the receiving cavity 121, thereby allowing the moisture in the material to evaporate quickly and improving the dispersion and kneading efficiency of the material.

[0081] In some other more specific embodiments, the opening 125 can also be located on the side of the cylinder 12 near the top.

[0082] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A kneading device, characterized in that, include: frame; A cylinder body, which is mounted on the frame and has a receiving cavity; as well as A stirring assembly includes a first rotating shaft, a second rotating shaft, a plurality of first blades, and a plurality of second blades. The first rotating shaft and the second rotating shaft are at least partially rotatably disposed within the receiving cavity. The first rotating shaft and the second rotating shaft are parallel to each other and rotate synchronously along a first direction, which is perpendicular to the axial direction of the first rotating shaft. The plurality of first blades and the plurality of second blades are all elliptical in shape. The plurality of first blades are all sleeved on the first rotating shaft, and the plurality of second blades are all sleeved on the second rotating shaft. The plurality of first blades and the plurality of second blades correspond one-to-one and cooperate with each other. Adjacent first blades and adjacent second blades are interlocked with each other.

2. The kneading device according to claim 1, characterized in that, The major axes of two adjacent first blades are perpendicular to each other, and the major axes of two adjacent second blades are perpendicular to each other. The long axis of the first blade and the long axis of the second blade are perpendicular to each other and form a first gap in the first direction.

3. The kneading device according to claim 2, characterized in that, A gap is formed between the long axis ends of two adjacent first blades with parallel long axes to allow the long axis end of the second blade to extend into it, and a second gap is formed between the long axis end of the second blade extending into the gap and the long axis ends of the first blades on both sides.

4. The kneading device according to claim 3, characterized in that, The width of the first gap is smaller than the width of the second gap.

5. The kneading device according to any one of claims 1-4, characterized in that, The cylinder has a first arc surface and a second arc surface that form the receiving cavity and are connected to each other. The first arc surface cooperates with the first blade, and the second arc surface cooperates with the second blade.

6. The kneading device according to any one of claims 1-4, characterized in that, It also includes a heating assembly disposed on the frame, the heating assembly being used to heat the receiving cavity.

7. The kneading device according to claim 6, characterized in that, The cylinder body is provided with a sandwich space, and the heating component is connected to the sandwich space. The heating component delivers the heating medium to the sandwich space to heat the receiving cavity.

8. The kneading device according to any one of claims 1-4, characterized in that, Also includes: A tilting assembly is rotatably mounted on the frame, and a cylinder is mounted on the tilting assembly. The tilting assembly is used to tilt the cylinder to discharge material. as well as A drive component is disposed on the flipping component, and the drive component connects the first rotating shaft and the second rotating shaft.

9. The kneading device according to claim 8, characterized in that, The drive assembly and the cylinder are located on opposite sides of the tilting assembly.

10. The kneading device according to claim 8, characterized in that, The cylinder has an opening that connects to the receiving cavity, with the opening facing upwards. The flipping assembly is configured to flip the cylinder and make the opening face downwards for feeding.