CN220946125U

CN220946125U - Dynamic mixer with two ends supported

Info

Publication number: CN220946125U
Application number: CN202322996551.5U
Authority: CN
Inventors: 李福勇; 赵国华
Original assignee: Zhengzhou Vowa Mechanical Co ltd
Current assignee: Zhengzhou Vowa Mechanical Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-05-14
Anticipated expiration: 2033-11-07

Abstract

The utility model provides a dynamic mixer with two ends supported, and relates to the technical field of dynamic mixing. The dynamic mixer comprises a public base, and a gear motor, a universal coupling and a mixing unit which are arranged above the public base, wherein the gear motor is connected with the mixing unit through the universal coupling and is used for providing power for the mixing unit, and the mixing unit comprises a material cavity, a heating medium cavity, a flange, a main shaft and rotor teeth. This dynamic mixer that both ends were supported can stir the material in the material cavity when the main shaft rotated, and the active cell tooth can change the route that the material flows, combines the heating of heating medium cavity to the material cavity, can make the more even of the material mixture in the material cavity, and active cell tooth design has certain angle's tooth, has certain propelling movement power to the material under the effect of main shaft, reduces the pressure drop of material, improves the efficiency that the material mixes.

Description

Dynamic mixer with two ends supported

Technical Field

The utility model relates to the technical field of dynamic mixing, in particular to a dynamic mixer with two ends supported.

Background

Materials used in the process of forming the high polymer material are usually composed of different polymers, fillers, auxiliaries and the like, so that mixing is an essential stage of forming the high polymer material. The mixing of the polymer materials is usually carried out by compounding the components in a continuous mixing apparatus or a batch mixing apparatus. At present, most of mixers used in industry are single mixers, and most of mixers are specially used in industries such as petroleum industry, grease, mining and metallurgy and the like. At present, a static mixer is generally adopted to mix different fluids, the flow state of the fluids in a pipe is changed by utilizing a mixing unit body fixed in the pipe, so that the purposes of good dispersion and full mixing of different fluids are achieved, the static mixer needs a larger volume to achieve the mixing effect, so that the pressure drop is increased, and the static mixer also only changes the flow state of the fluids in the pipe, so that the mixing effect is poor.

Disclosure of utility model

The utility model aims to provide a dynamic mixer with two ends supported, which can solve the problems of uneven mixing, large pressure drop, difficult maintenance and the like of the existing fluid.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a dynamic mixer that both ends supported, includes public base and installs gear motor, universal joint and the mixing element in public base top, gear motor is connected with the mixing element through universal joint for power is provided for the mixing element, the mixing element includes material cavity, heat medium cavity, flange, main shaft and active cell tooth, the both ends of heat medium cavity are installed on public base through the flange, the inside at the heat medium cavity is installed to the material cavity, the inside of material cavity is provided with the main shaft, active cell tooth equipartition is on the surface of main shaft, sealing mechanism and bearing structure are installed to the one side that the heat medium cavity was kept away from to the flange, and bearing structure is located sealing mechanism's both ends.

Specifically, the sealing mechanism comprises a packing sealing ring, packing and a packing gland, wherein the packing sealing ring is arranged on the surface of the main shaft and is connected with the flange, the packing is arranged at the contact position of the packing sealing ring and the main shaft, and the packing gland is arranged at one end, far away from the flange, of the packing sealing ring.

Specifically, the bearing structure comprises a bearing cover, a bearing seat, an oil seal, a rolling bearing and a shaft sleeve, wherein the bearing seat is connected with a flange through a connecting piece, the rolling bearing is installed in the bearing seat, an inner ring of the rolling bearing is connected with a main shaft through the shaft sleeve, the rolling bearing and the main shaft are coaxially arranged, the bearing cover is installed on one surface, far away from the flange, of the bearing seat, and the oil seal is installed in the bearing cover.

Specifically, one end of the rotor tooth far away from the main shaft is provided with a certain angle.

Specifically, a cooling cavity is formed in the outer circumferential surface of the bearing seat.

Specifically, a heating medium inlet is arranged at the left lower end of the heating medium cavity, and a heating medium outlet is arranged at the right upper end of the heating medium cavity.

Specifically, the upper left end of the material cavity is provided with a main material inlet, and the lower right end of the material cavity is provided with a main material outlet.

Compared with the prior art, the dynamic mixer with two ends supported has the following beneficial effects:

1. This dynamic mixer that both ends supported through set up main shaft and active cell tooth in the material cavity, can stir the material in the material cavity when main shaft pivoted, the active cell tooth can change the route that the material flows, combines the heating of heating medium cavity to the material cavity, can make the more even of the material mixture in the material cavity, and the active cell tooth is the tooth that designs certain angle, has certain propelling movement power to the material under the effect of main shaft, reduces the pressure drop of material, improves the efficiency that the material mixes.

2. This dynamic mixer that both ends supported is through being provided with sealing mechanism, and sealing mechanism adopts the packing seal, can make things convenient for the user to maintain the change, is provided with bearing structure, and antifriction bearing and the coaxial design of main shaft have reduced the wearing and tearing leakage of sealed department, are provided with the cooling chamber simultaneously, can reduce antifriction bearing's temperature when using, reduce antifriction bearing's wearing and tearing, improve the leakproofness.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a portion of the structure of the present utility model;

FIG. 3 is a cross-sectional view taken along the line B-B of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of fig. 2A in accordance with the present utility model.

Wherein, 1, a speed reducing motor; 2. a universal coupling; 3. a mixing unit; 4. a common base; 31. a bearing cap; 32. a cooling chamber; 33. a bearing seat; 34. a packing seal ring; 35. a flange; 36. an oil seal; 37. a rolling bearing; 38. a shaft sleeve; 39. a packing gland; 40. a filler; 41. a heating medium inlet; 42. a main shaft; 43. a main material inlet; 46. a mover tooth; 47. a heating medium outlet; 48. a main material outlet; 49. a heating medium cavity; 50. a material cavity.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, in the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships, which are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1-4, the embodiment of the utility model provides a dynamic mixer with two ends supported, which comprises a public base 4, a gear motor 1, a universal coupling 2 and a mixing unit 3, wherein the gear motor 1, the universal coupling 2 and the mixing unit 3 are arranged above the public base 4, the gear motor 1 is connected with the mixing unit 3 through the universal coupling 2, the gear motor 1 is started, the gear motor 1 can drive the universal coupling 2 to rotate, the power is provided for the mixing unit 3 through the universal coupling 2,

The mixing unit 3 comprises a material cavity 50, a heating medium cavity 49, a flange 35, a main shaft 42 and rotor teeth 46, wherein two ends of the heating medium cavity 49 are arranged on a public base 4 through the flange 35, the material cavity 50 is arranged in the heating medium cavity 49, the main shaft 42 is arranged in the material cavity 50, the rotor teeth 46 are uniformly distributed on the surface of the main shaft 42, a sealing mechanism and a bearing structure are arranged on one surface, far away from the heating medium cavity 49, of the flange 35, and the bearing structure is positioned at two ends of the sealing mechanism. The main shaft 42 is connected with the universal joint 2, and the material enters into in the material cavity 50, and gear motor 1 is driving main shaft 42 and rotates, and then makes the active cell tooth rotate, and the material stirs, and active cell tooth 46 can change the route that the material flows, and the heating medium that heating medium cavity 49 can heat the material of material cavity 50 simultaneously, can make the more even of material mixture in the material cavity.

Further, the end of the mover teeth 46 remote from the main shaft 42 is angled. The main shaft 42 has certain pushing force on the materials, so that the pressure drop of the materials is reduced, and the mixing efficiency of the materials is improved.

Further, the sealing mechanism comprises a packing seal 34, a packing 40 and a packing gland 39, the packing seal 34 is installed on the surface of the main shaft 42 and is connected with the flange 35, the packing 40 is installed at the contact position of the packing seal 34 and the main shaft 42, and the packing gland 39 is installed at one end, far away from the flange 35, of the packing seal 34. The sealing mechanism adopts packing seal, which is convenient for maintenance and replacement of users.

Further, the bearing structure comprises a bearing cover 31, a bearing seat 33, an oil seal 36, a rolling bearing 37 and a shaft sleeve 38, wherein the bearing seat 33 is connected with the flange 35 through a connecting piece, the rolling bearing 37 is installed inside the bearing seat 33, an inner ring of the rolling bearing 37 is connected with a main shaft 42 through the shaft sleeve 38, the rolling bearing 37 and the main shaft 42 are coaxially arranged, the bearing cover 31 is installed on one surface, far away from the flange 35, of the bearing seat 33, and the oil seal 36 is installed inside the bearing cover 31. The coaxial design of the rolling bearing 37 and the main shaft 42 can reduce the abrasion of the rolling bearing 37 and reduce the abrasion leakage at the sealing position.

Further, the cooling cavity 32 is arranged on the outer circumferential surface of the bearing seat 33, cooling water can be communicated in the cooling cavity 32, the temperature of the rolling bearing 37 during use can be reduced, the abrasion of the rolling bearing 37 is reduced, the tightness is improved, and the service life of the rolling bearing 37 is prolonged.

Further, a heating medium inlet 41 is installed at the left lower end of the heating medium cavity 49, and a heating medium outlet 47 is installed at the right upper end of the heating medium cavity 49. The heating medium flows into the heating medium cavity 49 from the heating medium inlet 41, and can fill the heating medium cavity 49 from the heating medium outlet 47, so that the heating medium can heat the material cavity 50 better.

Further, a main material inlet 43 is installed at the upper left end of the material cavity 50, and a main material outlet 48 is installed at the lower right end of the material cavity 50. The main material inlet 43 and the main material outlet 48 are oppositely arranged in the material cavity 50, so that the time side length of material mixing in the material cavity 50 can be prolonged, and further, the mixing is more uniform. The main material inlet 43 and the main material outlet 48 can also be arranged at different positions according to actual requirements

In use, the heating temperature is set according to the characteristics of the materials, so that the materials are heated to a certain temperature before entering the mixing chamber 50. The heat medium enters from the heat medium inlet 41 and flows out from the heat medium outlet 47, after the temperature reaches the working condition temperature, materials enter into the mixing cavity 50 from the main material inlet 43, the gear motor 1 is started, the main shaft 42 is driven to stir the materials, the materials flow in from the main material inlet 43 and flow out from the main material outlet 48, the paths of the materials are continuously changed by the rotor teeth 46 in the flowing process of the materials, so that the aim of mixing is achieved, the rotor teeth 46 are designed with teeth with a certain angle, and certain pushing force is applied to the materials under the action of the main shaft 42, so that the pressure drop is reduced, and dead angles are avoided. In addition, various auxiliary materials can be added and mixed according to the actual production requirement. Cooling water is introduced into the cooling cavity 32, so that the temperature of the rolling bearing 37 during use can be reduced, the abrasion of the rolling bearing 37 is reduced, the tightness is improved, the service life of the rolling bearing 37 is prolonged, and the maintenance of the whole device is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dynamic mixer supported at both ends, characterized in that: including public base (4) and install gear motor (1), universal joint (2) and the mixed unit (3) in public base (4) top, gear motor (1) is connected with mixed unit (3) through universal joint (2) for provide power for mixed unit (3), mixed unit (3) include material cavity (50), heat medium cavity (49), flange (35), main shaft (42) and active cell tooth (46), install on public base (4) through flange (35) at the both ends of heat medium cavity (49), the inside at heat medium cavity (49) is installed in material cavity (50), the inside of material cavity (50) is provided with main shaft (42), active cell tooth (46) equipartition is on the surface of main shaft (42), sealing mechanism and bearing structure are installed to the one side that heat medium cavity (49) were kept away from to flange (35), and bearing structure is located sealing mechanism's both ends.

2. A two-end supported dynamic mixer according to claim 1, wherein: the sealing mechanism comprises a packing sealing ring (34), packing (40) and a packing gland (39), wherein the packing sealing ring (34) is arranged on the surface of a main shaft (42) and is connected with a flange (35), the packing (40) is arranged at the contact position of the packing sealing ring (34) and the main shaft (42), and the packing gland (39) is arranged at one end, far away from the flange (35), of the packing sealing ring (34).

3. A two-end supported dynamic mixer according to claim 1, wherein: bearing structure includes bearing cap (31), bearing frame (33), oil blanket (36), antifriction bearing (37) and axle sleeve (38), bearing frame (33) are connected with flange (35) through the connecting piece, antifriction bearing (37) are installed in the inside of bearing frame (33), and antifriction bearing's (37) inner circle is connected with main shaft (42) through axle sleeve (38), antifriction bearing (37) and main shaft (42) coaxial setting, one side that flange (35) was kept away from in bearing frame (33) is installed to bearing cap (31), the inside at bearing cap (31) is installed to oil blanket (36).

4. A two-end supported dynamic mixer according to claim 1, wherein: the end of the rotor tooth (46) far away from the main shaft (42) is provided with a certain angle.

5. A two-end supported dynamic mixer according to claim 3, wherein: a cooling cavity (32) is arranged on the outer circumferential surface of the bearing seat (33).

6. A two-end supported dynamic mixer according to claim 1, wherein: the left lower end of the heating medium cavity (49) is provided with a heating medium inlet (41), and the right upper end of the heating medium cavity (49) is provided with a heating medium outlet (47).

7. A two-end supported dynamic mixer according to claim 1, wherein: the main material inlet (43) is arranged at the left upper end of the material cavity (50), and the main material outlet (48) is arranged at the right lower end of the material cavity (50).