Double-shaft coulter mixer
By combining the mixing chambers into a combined chamber and setting a separate mixing shaft in each mixing chamber, the dual-shaft plow mixer with dual-shaft design solves the problem of high power consumption caused by the increase in mixing chamber volume in the prior art, and achieves the effect of high-efficiency mixing and low power consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU BAIHELING INTELLIGENT EQUIP CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-10
AI Technical Summary
The existing plow mixer suffers from a problem when the mixing chamber volume is increased, which leads to an increase in the length and diameter of the mixing shaft, an increase in the power demand of the drive mechanism, and a sharp increase in overall power consumption.
The dual-shaft design combines two mixing chambers to form a combined chamber, with a separate mixing shaft in each chamber. The volume is increased by increasing the width of the mixing chambers, and the length-to-width ratio of the combined chamber is controlled within the range of 0.75-0.85 to distribute the load and reduce overall power consumption.
It effectively reduces the overall power consumption of the mixer, improves mixing efficiency, and avoids the high power requirements caused by separately increasing the length and diameter of the stirring shaft.
Smart Images

Figure CN224100455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ploughshare mixer technical field, concretely relates to a double-shaft ploughshare mixer. BACKGROUND
[0002] The horizontal ploughshare mixer is a kind of powder mixing equipment.The machine can be applied to the mixing of materials in chemical industry, paint, medicine, food, feed, fuel, metallurgy, mining and other industries, and to the composite processes such as wet granulation, drying and concentration.
[0003] The existing ploughshare mixer is usually a single cylinder, and when the volume of stirring cavity needs to be increased, the length of stirring cavity is usually increased to achieve this, but the length of stirring shaft is accompanied by an increase due to the longer stirring cavity, and in order to increase the strength of stirring shaft, the diameter of stirring shaft needs to be increased, and the power of driving mechanism needs to be increased simultaneously, resulting in a sharp rise in overall power consumption of the mixer.
[0004] Therefore, how to avoid the sharp rise in overall power consumption of the mixer when the volume of stirring cavity is increased is a technical problem that needs to be solved in the field.
[0005] It should be noted that the above information disclosed in the background section is only used to understand the background of the present application, and therefore, the above description is not considered to constitute information of the prior art. CONTENT OF THE UTILITY MODEL
[0006] The present disclosure provides at least a double-shaft ploughshare mixer.
[0007] In a first aspect, the present disclosure provides a double-shaft ploughshare mixer, comprising: a mixing box, two parallel stirring cavities are arranged in the mixing box, the stirring cavities are circular, and the stirring cavities are arranged horizontally and communicate with each other to form a combined chamber, and the length-width ratio of the combined chamber is 0.75-0.85; and a stirring assembly, comprising a pair of stirring shafts, the stirring shafts are respectively arranged to rotate in the stirring cavities, and the side wall of the stirring shaft is spirally provided with a ploughshare body to mix the materials in the combined chamber.
[0008] In an alternative embodiment, the ratio of the distance between the axes of the stirring cavities to the diameter of the stirring cavities is 0.8-0.9.
[0009] In an alternative embodiment, a feeding cavity is arranged in the mixing box, the feeding cavity communicates with the combined chamber and is arranged centrally above the combined chamber, a feeding opening is formed in the top of the feeding cavity, and a feeding cover plate is hinged to the feeding opening.
[0010] In an alternative embodiment, the mixing box comprises a box body and a pair of side plates; the box body is enclosed by plates connected head to tail, the bottom of the box body is enclosed by two circles to form stirring cavities, the top of the box body is enclosed by a square to form a feeding cavity; and the side plates are arranged on both ends of the box body to enclose the box body.
[0011] In an alternative embodiment, the edge of the box body is outwardly folded with a connecting ring, the connecting ring is provided with a connecting hole, and the connecting hole is fixedly connected with the side plate through a bolt.
[0012] In an alternative embodiment, the side wall of the side plate is provided with a support seat and a driving seat; the two ends of the stirring shaft penetrate through the side plate, and the protruding end of the stirring shaft is installed on the top of the support seat through a bearing seat; the driving seat is provided with a driving motor, the output shaft of the driving motor is connected with the protruding end of the stirring shaft through a transmission assembly to drive the stirring shaft to rotate.
[0013] In an alternative embodiment, the side wall of the stirring shaft is provided with a plurality of mounting blocks, the mounting blocks are spirally arranged around the axis of the stirring shaft, and the included angle of adjacent mounting blocks is 90°; the end of the plough body is provided with a connecting block, and the connecting block is detachably connected with the mounting block.
[0014] In an alternative embodiment, the spiral directions of the plough bodies on the two stirring shafts are opposite, and when the plough bodies rotate to the communication of the combined chamber, the tips of the plough bodies are directed to the communication of the combined chamber, so that the materials are stirred to the other stirring cavity.
[0015] In an alternative embodiment, the middle and lower parts of the stirring cavity are provided with an auxiliary motor, the output shaft of the auxiliary motor protrudes into the stirring cavity, and the output shaft of the auxiliary motor is provided with an auxiliary cutter head to stir the materials.
[0016] In an alternative embodiment, the bottom of the stirring cavity is respectively provided with a discharge port.
[0017] The beneficial effects of the present application are that the double-shaft plough mixing machine combines two stirring cavities to form a combined chamber, increases the volume of the stirring cavity by increasing the width of the stirring cavity, and separately sets a stirring shaft in each stirring cavity to stir and mix the materials. Further, the ratio of the length to the width of the combined chamber is controlled within the range of 0.75-0.85, so that the load of the single stirring shaft is not too large.
[0018] The other features and advantages of the present application will be described in the following description and become apparent from the description, or can be learned from practice of the present application. The objectives and other advantages of the present application can be achieved and obtained by means of the structures particularly pointed out in the description, the claims, and the accompanying drawings.
[0019] In order to make the above objectives, features and advantages of the present application more apparent, preferred embodiments are described in detail hereinafter with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced hereinafter. Obviously, the drawings described hereinafter are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.
[0021] Figure 1 A perspective view of a double-shaft plow blade mixing machine provided by the embodiment of the present disclosure;
[0022] Figure 2 A perspective view of a double-shaft plow blade mixing machine provided by the embodiment of the present disclosure;
[0023] Figure 3 A top view of a double-shaft plow blade mixing machine provided by the embodiment of the present disclosure;
[0024] Figure 4 A front view of a double-shaft plow blade mixing machine provided by the embodiment of the present disclosure.
[0025] In the drawings:
[0026] 1, mixing box; 11, stirring cavity; 12, combined chamber; 13, feeding cavity; 13a, feeding port; 13b, feeding cover plate; 14, box body; 14a, connecting ring; 14b, connecting hole; 15, side plate; 15a, support seat; 15b, driving seat; 15c, driving motor; 16, discharge port;
[0027] 2, stirring assembly; 21, stirring shaft; 21a, mounting block; 22, plow body; 22a, connecting block; 23, auxiliary motor; 23a, auxiliary cutter. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0029] In this document, when it is mentioned that a first component is located on a second component, it can mean that the first component can be formed directly on the second component, or a third component can be interposed between the first component and the second component. In addition, in the drawings, in order to effectively describe the technical content, the thickness of the components can be exaggerated or reduced.
[0030] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular articles "a," "an," and "the" can be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are discussed or illustrated, unless specifically identified as an order of performance. Additional or alternative steps can be employed.
[0031] As used herein, the phrases "in an embodiment," "according to an embodiment," "in some embodiments," and the like generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, appearances of such phrases in various places in the specification do not necessarily all refer to the same embodiment. As used herein, the terms "example," "for example," and the like are utilized herein to mean "serving as an example, instance, or illustration." Any implementation, aspect, or design described herein as an "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations, aspects, or designs. Rather, the term "example," "exemplary," and the like are utilized to present concepts in a concrete fashion.
[0032] It is found through research that the stirring shaft in the stirring cavity with large diameter and / or large length in the prior art has large load, and the driving mechanism has large power consumption, which is a problem and purpose to be solved by the utility model.
[0033] Based on the above research, the double-shaft plow mixer provided by the embodiment of the present disclosure combines two stirring cavities to form a combined cavity, and sets a separate stirring shaft in each stirring cavity to share the load, so as to reduce the power consumption of the whole mixer.
[0034] The defects of the above solutions are the results of the practical research of the utility model person, and therefore, the discovery process of the above problems and the solutions provided by the present disclosure for the above problems should be the contribution of the utility model person to the present disclosure in the process of the present disclosure.
[0035] It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0036] Some embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the embodiments described below and the features in the embodiments can be combined with each other.
[0037] Referring to Figures 1 to 4 , a double-shaft plow mixer is shown, which comprises a mixing box 1, two parallel stirring cavities 11 are arranged in the mixing box 1, the stirring cavities 11 are circular, and the stirring cavities 11 are arranged horizontally and communicated with each other to form a combined cavity 12; the length-width ratio of the combined cavity 12 is 0.75-0.85; a stirring assembly 2 comprises a pair of stirring shafts 21, the stirring shafts 21 are respectively arranged to rotate in the stirring cavities 11, and plow bodies 22 are spirally arranged on the side walls of the stirring shafts 21 to mix the materials in the combined cavity 12; in short, two stirring cavities 11 are combined to form a combined cavity 12, the volume of the stirring cavities 11 is increased by increasing the width of the stirring cavities 11, and a stirring shaft 21 is arranged in each stirring cavity 11 to be responsible for stirring and mixing the materials, further, the length-width ratio of the combined cavity 12 is controlled to be in the range of 0.75-0.85, so that the load of a single stirring shaft 21 is not too large.
[0038] In some embodiments, the distance between the axes of the stirring cavities 11 and the diameter of the stirring cavities 11 are in the ratio of 0.8-0.9; in short, two stirring cavities 11 are arranged to intersect, and the distance between the axes of the stirring cavities 11 and the diameter of the stirring cavities 11 are in the ratio of 0.8-0.9, so that the materials can be stirred by two stirring shafts 21 at the same time, which improves the mixing efficiency compared with two independent stirring cavities 11; further, if the two stirring cavities 11 are arranged too close, the plow bodies 22 on the stirring shafts 21 will interfere with each other.
[0039] In some embodiments, the mixing box 1 is provided with a feeding cavity 13 which is in communication with the combination chamber 12 and centrally arranged above the combination chamber 12, the top of the feeding cavity 13 is provided with a feeding opening 13a, and the feeding opening 13a is hinged with a feeding cover plate 13b; in short, the feeding cavity 13 is provided with a feeding opening 13a at the top for feeding materials, and the feeding cavity 13 is in communication with the combination chamber 12 so that the materials can be fed into the combination chamber 12 to complete the stirring and mixing of the materials.
[0040] In some embodiments, the mixing box 1 comprises a box body 14 and a pair of side plates 15; the box body 14 is enclosed by plates connected end to end, the bottom of the box body 14 is enclosed to form two circles to form the stirring cavities 11, and the top of the box body 14 is enclosed to form a square to form the feeding cavity 13; and the side plates 15 are arranged at both ends of the box body 14 to enclose the box body 14; in short, the side plates 15 are arranged at both sides of the box body 14 to form the enclosed feeding cavity 13 and stirring cavities 11, which is simple and reliable in structure.
[0041] In some embodiments, the edge of the box body 14 is outwardly folded with a connecting ring 14a, the connecting ring 14a is provided with a connecting hole 14b, and the connecting hole 14b is fixedly connected with the side plate 15 through bolts; in short, the box body 14 is connected with the side plate 15 through the connecting ring 14a, and the connecting ring 14a and the side plate 15 can be connected through welding, riveting and bolts.
[0042] In some embodiments, the side wall of the side plate 15 is provided with a support seat 15a and a driving seat 15b; the both ends of the stirring shaft 21 penetrate through the side plate 15, and the protruding end of the stirring shaft 21 is installed on the top of the support seat 15a through a bearing seat; the driving seat 15b is provided with a driving motor 15c, the output shaft of the driving motor 15c is connected with the protruding end of the stirring shaft 21 through a transmission assembly to drive the stirring shaft 21 to rotate; in short, the bearing seat is arranged on the support seat 15a to complete the rotation arrangement of the stirring shaft 21, and the driving seat 15b is arranged at the side of the support seat 15a to install the motor to complete the driving of the stirring shaft 21.
[0043] In some embodiments, the side wall of the stirring shaft 21 is provided with a plurality of mounting blocks 21a, which are spirally arranged around the axis of the stirring shaft 21, and the included angle of adjacent mounting blocks 21a is 90°; the end of the plough body 22 is provided with a connecting block 22a, which is detachably connected with the mounting block 21a; in short, the connecting block 22a on the plough body 22 is detachably connected with the mounting block 21a through bolts; further, the included angle of adjacent plough bodies 22 can be 60°, 90° or 120°, and different included angles can be selected according to the particle size of the stirred material, and smaller included angle can make the plough bodies 22 arranged more closely, so as to adjust the stirring intensity of the plough bodies 22 on the material.
[0044] In some embodiments, the spiral directions of the plough bodies 22 on the two stirring shafts 21 are opposite, and when the plough bodies 22 rotate to the communication of the combined chamber 12, the tips of the plough bodies 22 face the communication of the combined chamber 12, so that the material is stirred to the other stirring chamber 11; in short, both the stirring shafts 21 can stir the material to the communication of the combined chamber 12, so that the material is stirred uniformly in the combined chamber 12 by the two stirring shafts 21.
[0045] In some embodiments, the lower part of the stirring chamber 11 is provided with an auxiliary motor 23, the output shaft of the auxiliary motor 23 extends into the stirring chamber 11, and the output shaft of the auxiliary motor 23 is provided with an auxiliary cutter 23a to stir the material; in short, the rotation of the auxiliary cutter 23a can assist in mixing the material.
[0046] In some embodiments, the bottom of the stirring chamber 11 is respectively provided with a discharge port 16; in short, the bottom of the stirring chamber 11 is provided with a discharge port 16 to discharge the material, and the discharge port 16 is hinged with a discharge cover plate to open / close the discharge port 16, which is simple and reliable in structure.
[0047] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0048] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, terms such as "first", "second" and other numerical terms are used in this text, and do not imply order or sequence unless the text is explicitly indicated. Therefore, the above-discussed first element, component, area, layer or section can be referred to as the second element, component, area, layer or section without departing from the teachings of the example embodiments.
[0049] Spatially relative terms, such as "internal", "external", "lower", "under", "bottom", "top", "above", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0050] In the above discussion, unless otherwise stated, the terms "about", "approximately", "substantially" and the like, when used in describing a numerical value, mean a variation of + / - 10% of the value.
[0051] With the above ideal embodiments according to the utility model as the inspiration, through the above description, relevant staff can definitely make various changes and modifications without deviating from the technical thought of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.
Claims
1. A double shafted plowshare mixer characterized by, The utility model relates to a double-shaft ploughshare mixer, comprising: a mixing box (1) provided with two parallel stirring cavities (11) in it, the stirring cavities (11) are circular, and the stirring cavities (11) are horizontally arranged and communicated with each other to form a combined chamber (12); and the length-width ratio of the combined chamber (12) is 0.75-0.85; a stirring assembly (2) comprising a pair of stirring shafts (21) rotatably arranged in the stirring cavities (11) respectively, and a ploughshare body (22) spirally arranged on the side wall of the stirring shaft (21) to mix the material in the combined chamber (12).
2. The double-shaft ploughshare mixer according to claim 1, wherein the distance between the axes of the stirring cavities (11) is 0.8-0.9 times the diameter of the stirring cavities (11).
3. The double-shaft ploughshare mixer according to claim 1, wherein the mixing box (1) is provided with a feeding cavity (13) communicated with the combined chamber (12) and arranged centrally above the combined chamber (12), a feeding opening (13a) is formed in the top of the feeding cavity (13), and a feeding cover plate (13b) is hingedly connected to the feeding opening (13a).
4. The double-shaft ploughshare mixer according to claim 3, wherein the mixing box (1) comprises a box body (14) and a pair of side plates (15); the box body (14) is enclosed by a plate material connected end to end, the bottom of the box body (14) is enclosed to form two circles to form the stirring cavities (11), and the top of the box body (14) is enclosed to form a square to form the feeding cavity (13); and the side plates (15) are arranged at both ends of the box body (14) to enclose the box body (14).
5. The double-shaft ploughshare mixer according to claim 4, wherein the edge of the box body (14) is outwardly folded with a connecting ring (14a), a connecting hole (14b) is formed in the connecting ring (14a), and the connecting hole (14b) is fixedly connected to the side plate (15) by a bolt.
6. The double-shaft ploughshare mixer according to claim 5, wherein the side wall of the side plate (15) is provided with a support seat (15a) and a driving seat (15b); the two ends of the stirring shaft (21) penetrate through the side plate (15), and the protruding end of the stirring shaft (21) is installed on the top of the support seat (15a) through a bearing seat; the driving seat (15b) is provided with a driving motor (15c), and the output shaft of the driving motor (15c) is connected to the protruding end of the stirring shaft (21) through a transmission assembly to drive the stirring shaft (21) to rotate.
7. The double-shaft ploughshare mixer according to claim 1, wherein the side wall of the stirring shaft (21) is provided with a plurality of mounting blocks (21a) spirally arranged around the axis of the stirring shaft (21), and the included angle between adjacent mounting blocks (21a) is 90°; the end of the ploughshare body (22) is provided with a connecting block (22a), and the connecting block (22a) is detachably connected to the mounting block (21a).
8. The double-shaft plow mixer according to claim 1, characterized in that, the spiral directions of the plow bodies (22) on the two stirring shafts (21) are opposite, and when the plow bodies (22) rotate to the communication of the combined chamber (12), the tips of the plow bodies (22) are towards the communication of the combined chamber (12) so that the materials are stirred to the other stirring chamber (11).
9. The double-shaft plow mixer according to claim 1, characterized in that, the middle and lower parts of the stirring chambers (11) are provided with auxiliary motors (23), the output shafts of the auxiliary motors (23) extend into the stirring chambers (11), and the output shafts of the auxiliary motors (23) are provided with auxiliary cutter heads (23a) to stir the materials.
10. The double-shaft plow mixer according to claim 1, characterized in that, the bottoms of the stirring chambers (11) are respectively provided with discharge ports (16).