Helical ribbon stirring assembly and stirring kettle thereof

Abstract

The utility model discloses a helical ribbon stirring assembly and a stirring kettle thereof, the helical ribbon stirring assembly comprises a stirring rotating shaft and two helical ribbon blades, the stirring rotating shaft is provided with a plurality of stirring rod groups which are sequentially arranged at intervals from top to bottom, and each stirring rod group comprises two transverse stirring rods which are aligned along the radial direction of the stirring rotating shaft; the two helical ribbon blades are arranged on the two sides of the stirring rotating shaft in a central symmetry mode, and reinforcing ribs spirally extending along the corresponding helical ribbon blades are welded to the middle positions of the helical ribbon blades respectively; and the outer end part of each transverse stirring rod is welded with the helical ribbon blade on the corresponding side. The stirring kettle comprises a stirring kettle shell, a stirring power assembly is arranged at the upper end of the stirring kettle shell, and the helical ribbon stirring assembly is arranged in a stirring cavity of the stirring kettle shell. The helical ribbon stirring assembly has the advantages of being novel in structural design, good in stability and reliability and good in stirring effect; correspondingly, the stirring kettle also has the advantages of novel structural design, good stability and reliability and good stirring effect.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices, in particular to a spiral ribbon stirring component and a stirring kettle thereof. Background Art

[0002] A stirred tank is broadly understood as a container for physical or chemical reactions. Through the structural design and parameter configuration of the container, the performance principle of the container is the same as that of a reactor, and the heating, evaporation, cooling and low-speed mixing functions required by the process can be achieved.

[0003] The patent application number is: 202410360104.7, and the patent name is: A Chinese invention patent application for a raw material dissolving device and processing system for an antibacterial gel detergent. The raw material dissolving device for the antibacterial gel detergent discloses a stirring kettle structure; specifically, the stirring kettle structure of the raw material dissolving device for the above-mentioned antibacterial gel detergent includes a mixing kettle, a driving motor, a rotating rod, a stirring assembly, and a heat exchange assembly. The driving motor is arranged on the top of the mixing kettle, and the rotating rod is arranged on the inner side of the mixing kettle and is connected to the output shaft of the driving motor through a coupling; the stirring assembly is arranged on the inner side of the mixing kettle and installed on the rotating rod, and the stirring assembly includes a stirring rod, and a plurality of groups of stirring rods distributed along its axial direction are installed in a linear array on the outer wall of the rotating rod, and each group of stirring rods is composed of a plurality of groups of rods distributed in a circular array along the circumference of the rotating rod; the heat exchange assembly includes a spiral heat exchange coil.

[0004] When the stirring kettle structure of the raw material dissolving device of the above-mentioned antibacterial gel detergent is working, the antibacterial gel detergent raw material to be dissolved is fed into the mixing kettle through the feed port on the mixing kettle, the driving motor is controlled to start, driving the rotating rod to rotate, the rotating rod drives the stirring assembly to rotate, and the stirring rod stirs the antibacterial gel detergent raw material in the mixing kettle.

[0005] It should be pointed out that the stirring tank structure of the raw material dissolving device of the above-mentioned antibacterial gel detergent has the following defects, specifically:

[0006] Defect 1. The stirring rod is a rod structure with one end connected to the rotating rod and the other end extending outward. The outer end of each stirring rod is in a freely suspended state. When using it to stir high-viscosity materials, the stirring rod often breaks due to the great resistance of the material, and the stability and reliability are poor.

[0007] Defect 2: The stirring kettle structure only stirs the material through the stirring rod. Although a plurality of stirring rods distributed along the axial direction are installed in a linear array on the outer wall of the rotating rod, there are still gaps between each group of stirring rods, and the problem of insufficient stirring still exists. Utility Model Content

[0008] The utility model aims to provide a screw ribbon stirring component to address the deficiencies in the prior art. The screw ribbon stirring component has a novel structural design, good stability and reliability, and good stirring effect.

[0009] Another purpose of the utility model is to provide a stirring kettle in view of the deficiencies in the prior art, wherein the stirring kettle has a novel structural design, good stability and reliability, and good stirring effect.

[0010] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions.

[0011] A ribbon stirring assembly comprises a stirring shaft arranged vertically, the stirring shaft is provided with a plurality of stirring rod groups arranged in sequence from top to bottom, each stirring rod group comprises two transverse stirring rods aligned along the radial direction of the stirring shaft;

[0012] The spiral ribbon stirring assembly also includes two spiral ribbon blades in a spiral shape, which are centrally symmetrically arranged on both sides of the stirring shaft, each spiral ribbon blade is a metal part, and a reinforcing rib extending along the spiral of the corresponding spiral ribbon blade is welded at the middle position of each spiral ribbon blade;

[0013] The outer end of each transverse stirring rod is welded to the spiral blade on the corresponding side.

[0014] Wherein, the stirring rod group includes an intermediate fixing sleeve sleeved on the outer periphery of the stirring shaft, and the intermediate fixing sleeve is screwed and fastened to the stirring shaft by a locking screw;

[0015] The inner ends of the two transverse stirring rods in the stirring rod group are respectively connected to the middle fixing sleeve.

[0016] Among the two adjacent stirring rod groups, the transverse stirring rod in the upper stirring rod group is perpendicular to the transverse stirring rod in the lower stirring rod group.

[0017] Wherein, the stirring shaft, the transverse stirring rod and the spiral blades are respectively made of stainless steel.

[0018] Among them, the thickness of the spiral blade is 16mm, and the thickness of the reinforcing rib is 12mm.

[0019] A stirring kettle comprises a stirring kettle shell, a stirring chamber is formed inside the stirring kettle shell, a feed inlet is provided at the upper end of the stirring kettle shell, a discharge port is provided at the lower end of the stirring kettle shell, the feed inlet and the discharge port are respectively connected to the stirring chamber, and a stirring power assembly is installed at the upper end of the stirring kettle shell;

[0020] The above-mentioned screw ribbon stirring assembly is installed in the stirring chamber of the stirring kettle shell, and the stirring power assembly is drivingly connected to the stirring shaft in the screw ribbon stirring assembly.

[0021] Wherein, a tripod is screwed and fastened to the bottom of the stirring chamber by a locking screw, and the upper end of the tripod is connected to the lower end of the stirring shaft by a bearing;

[0022] Two transverse stirring rods in the lowermost stirring rod group are respectively welded with auxiliary stirring blades protruding downward and in a curved shape.

[0023] Wherein, the stirring power assembly includes a motor support arranged at the upper end of the stirring tank shell, and a reduction motor is installed at the upper end of the motor support;

[0024] The motor support is rotatably mounted with a vertically arranged intermediate connecting shaft through a bearing, and the upper end of the intermediate connecting shaft is connected to the power output shaft of the reduction motor through a coupling; the lower end of the intermediate connecting shaft extends into the stirring chamber, and the lower end of the intermediate connecting shaft is connected to the upper end of the stirring shaft.

[0025] The outer wall of the stirring tank shell is provided with a spiral coil, the vertical section of the spiral coil is semicircular, and a heat exchange channel extending in a spiral is formed between the spiral coil and the outer wall of the stirring tank shell;

[0026] The stirring tank shell is a stainless steel shell, and is equipped with a liquid inlet joint connected to one end of the spiral coil and a liquid outlet joint connected to the other end of the spiral coil. The liquid inlet joint and the liquid outlet joint are respectively connected to the heat exchange channel.

[0027] Compared with the prior art, the present invention has the following beneficial effects, specifically:

[0028] 1. Each spiral blade is welded to the outer end of the transverse stirring rod on its spiral path. The two spiral blades can connect all the stirring rods into a whole, that is, the spiral blades can effectively increase the strength of the transverse stirring rod and make the strength of the entire stirring assembly better, thereby effectively meeting the stirring requirements of high-viscosity materials, with good stability and reliability and longer service life;

[0029] 2. By welding reinforcing ribs in the middle of the surface of the spiral blade, the utility model can effectively increase the overall strength and service life of the spiral blade, thereby making the spiral blade effectively suitable for high-speed, high-viscosity material stirring;

[0030] 3. When the spiral ribbon stirring assembly rotates and stirs the materials inside the stirring kettle, the transverse stirring rod and the spiral ribbon blades stir the materials respectively; compared with the operation mode of stirring the materials only by the stirring rod in the prior art, the stirring effect of the utility model is better and the stirring is more sufficient;

[0031] 4. Therefore, the spiral ribbon stirring assembly of the utility model has the advantages of novel structural design, good stability and reliability, and good stirring effect; correspondingly, the stirring kettle of the utility model also has the advantages of novel structural design, good stability and reliability, and good stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention is further described below with reference to the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0033] Figure 1 It is a structural schematic diagram of the spiral ribbon stirring assembly of the utility model.

[0034] Figure 2 It is a cross-sectional schematic diagram of the spiral ribbon blade of the utility model.

[0035] Figure 3 It is a schematic structural diagram of a stirring kettle of the utility model.

[0036] Figure 4 It is a schematic diagram of the partial structure of the stirring kettle of the utility model.

[0037] Figure 5 It is a partial cross-sectional schematic diagram of the stirring kettle of the utility model.

[0038] exist Figures 1 to 5 Included are:

[0039] 1- stirring shaft; 2- stirring rod group; 21- horizontal stirring rod; 22- middle fixed sleeve; 3- spiral blade; 4- reinforcing rib; 5- stirring kettle shell; 51- stirring chamber; 52- feeding port; 53- discharging port; 6- stirring power assembly; 61- motor support; 62- reduction motor; 63- middle connecting shaft; 7- tripod; 8- auxiliary stirring blade; 91- spiral coil; 92- heat exchange channel; 93- liquid inlet joint; 94- liquid outlet joint. DETAILED DESCRIPTION

[0040] The present invention will be described below in conjunction with specific implementation methods.

[0041] Embodiment 1, as Figure 1 As shown, a spiral ribbon stirring assembly includes a vertically arranged stirring shaft 1, on which a plurality of stirring rod groups 2 are arranged in sequence from top to bottom, and each stirring rod group 2 includes two lateral stirring rods 21 aligned radially along the stirring shaft 1.

[0042] Furthermore, the spiral ribbon stirring assembly also includes two spiral ribbon blades 3, which are centrally symmetrically arranged on both sides of the stirring shaft 1. Each spiral ribbon blade 3 is a metal part, and a reinforcing rib 4 extending spirally along the corresponding spiral ribbon blade 3 is welded at the middle position.

[0043] Furthermore, the outer end of each transverse stirring rod 21 is welded to the spiral ribbon blade 3 on the corresponding side.

[0044] It should be explained that the stirring shaft 1, the transverse stirring rod 21, the spiral blade 3, and the reinforcing rib 4 are respectively stainless steel parts, and the reinforcing rib 4 is installed at the middle position of the surface of one side of the spiral blade 3 by welding.

[0045] In addition, the spiral blade 3 and the reinforcing rib 4 of the first embodiment can be designed with the following dimensions, specifically: the thickness of the spiral blade 3 is 16 mm, and the thickness of the reinforcing rib 4 is 12 mm. Of course, the above-mentioned dimension design does not constitute a limitation on the first embodiment, that is, the thickness value of the spiral blade 3 and the thickness value of the reinforcing rib 4 of the first embodiment can also be other values.

[0046] For the screw ribbon stirring assembly of the first embodiment of the present invention, it can be applied to a stirring kettle; specifically, the screw ribbon stirring assembly is installed in the inner cavity of the stirring kettle. When working, the stirring shaft 1 of the screw ribbon stirring assembly is driven and rotated by the corresponding stirring drive assembly. The rotating stirring shaft 1 drives each stirring rod group 2 and each screw ribbon blade 3 to rotate synchronously, thereby achieving stirring and mixing processing of the material in the stirring kettle.

[0047] It should be emphasized that, for the spiral ribbon stirring assembly of the first embodiment, the spiral ribbon blade 3 is a metal part and has high strength itself. Each spiral ribbon blade 3 is welded to the outer end of the transverse stirring rod 21 on its spiral path, that is, each spiral ribbon blade 3 connects all the transverse stirring rods 21 on its spiral path into a whole, and two spiral ribbon blades 3 can connect all the stirring rod groups 2 into a whole; therefore, the spiral ribbon blade 3 of the first embodiment can effectively increase the strength of the transverse stirring rod 21, and can make the strength of the entire stirring assembly better, thereby effectively meeting the stirring requirements of high-viscosity materials, with good stability and reliability and longer service life.

[0048] It should be pointed out that, for the spiral blade 3 of the first embodiment, it is actually made of a metal strip through spiral bending. By welding a reinforcing rib 4 in the middle position of the surface of the spiral blade 3, the first embodiment can effectively increase the overall strength and service life of the spiral blade 3, thereby making the spiral blade 3 effectively suitable for high-speed, high-viscosity material stirring.

[0049] It should be further emphasized that, during the rotation of the spiral ribbon stirring assembly of the first embodiment and the stirring operation of the material inside the stirring tank, the transverse stirring rod 21 and the spiral ribbon blade 3 stir the material respectively; compared with the operation method of stirring the material only by the stirring rod in the prior art, the stirring effect of the first embodiment is better and the stirring is more sufficient.

[0050] Based on the above, it can be seen that through the above structural design, the spiral ribbon stirring assembly of the first embodiment has the advantages of novel structural design, good stability and reliability, and good stirring effect.

[0051] Embodiment 2, as Figure 1 As shown, the difference between the second embodiment and the first embodiment is that the stirring rod assembly 2 includes a middle fixing sleeve 22 which is sleeved on the outer periphery of the stirring shaft 1 , and the middle fixing sleeve 22 is screwed and fastened to the stirring shaft 1 by means of a locking screw.

[0052] The inner ends of the two transverse stirring rods 21 in the stirring rod group 2 are respectively connected to the middle fixing sleeve 22 ; specifically, the inner end of each transverse stirring rod 21 is respectively welded and fixed to the corresponding middle fixing sleeve 22 .

[0053] For the stirring rod assembly 2, when installing it on the stirring shaft 1, it is only necessary to put the middle fixing sleeve 22 on the outer periphery of the stirring shaft 1, and then fasten the middle fixing sleeve 22 to the stirring shaft 1 by means of locking screws, which is convenient and quick to install.

[0054] Embodiment three, as Figure 1 As shown, the difference between the third embodiment and the first embodiment is that in two adjacent stirring rod groups 2 , the transverse stirring rod 21 in the upper stirring rod group 2 is perpendicular to the transverse stirring rod 21 in the lower stirring rod group 2 .

[0055] Embodiment 4, as Figure 3 and Figure 4 As shown, a stirring kettle comprises a stirring kettle shell 5, a stirring chamber 51 is formed inside the stirring kettle shell 5, a feed port 52 is formed at the upper end of the stirring kettle shell 5, a discharge port 53 is formed at the lower end of the stirring kettle shell 5, the feed port 52 and the discharge port 53 are respectively connected to the stirring chamber 51, and a stirring power assembly 6 is installed at the upper end of the stirring kettle shell 5.

[0056] The above-mentioned ribbon stirring assembly is installed in the stirring chamber 51 of the stirring tank shell 5, and the stirring power assembly 6 is drivingly connected to the stirring shaft 1 in the ribbon stirring assembly.

[0057] During the operation of the stirring kettle of the fourth embodiment, the stirring power assembly 6 drives the screw ribbon stirring component to operate, and the material to be stirred is injected into the stirring chamber 51 through the feed port 52 at the upper end of the stirring kettle shell 5, and the rotating screw ribbon stirring component stirs the material in the stirring chamber 51, and the material stirred by the screw ribbon stirring component is discharged from the discharge port 53 at the lower end of the stirring kettle shell 5.

[0058] Since the spiral ribbon stirring assembly has the advantages of novel structural design, good stability and reliability, and good stirring effect, the stirring kettle of the fourth embodiment also has the advantages of novel structural design, good stability and reliability, and good stirring effect.

[0059] Embodiment 5, as Figure 3 and Figure 4 As shown, the difference between the fifth embodiment and the fourth embodiment is that a tripod 7 is screwed and fastened to the bottom of the stirring chamber 51 by means of a locking screw, and the upper end of the tripod 7 is connected to the lower end of the stirring shaft 1 by means of a bearing.

[0060] The two transverse stirring rods 21 in the lowermost stirring rod group 2 are respectively welded with auxiliary stirring blades 8 protruding downward and in a curved shape.

[0061] The lower end of the stirring shaft 1 is supported by a tripod 7, and the lower end of the stirring device is connected to the upper end of the tripod 7 through a bearing. This structural design can effectively increase the stability of the rotation of the stirring shaft 1, so that the spiral ribbon stirring assembly can be more suitable for the use requirements of high viscosity and high-speed stirring operations.

[0062] In addition, for the auxiliary stirring blade 8 of the fifth embodiment, the auxiliary stirring blade 8 extends to the bottom position of the stirring chamber 51; when working, the auxiliary stirring blade 8 rotates synchronously with the stirring shaft 1 to stir the material in the bottom area of ​​the stirring chamber 51 to ensure sufficient stirring of the material.

[0063] Embodiment six, as Figure 3 As shown, the difference between the sixth embodiment and the fourth embodiment is that the stirring power assembly 6 includes a motor support 61 arranged at the upper end of the stirring tank shell 5, and a reduction motor 62 is installed at the upper end of the motor support 61.

[0064] Among them, the motor support 61 is rotatably installed with a vertically arranged intermediate connecting shaft 63 through a bearing, and the upper end of the intermediate connecting shaft 63 is connected to the power output shaft of the reduction motor 62 through a coupling; the lower end of the intermediate connecting shaft 63 extends into the stirring chamber 51, and the lower end of the intermediate connecting shaft 63 is connected to the upper end of the stirring shaft 1.

[0065] Embodiment seven, as Figures 3 to 5As shown, the difference between the seventh embodiment and the fourth embodiment is that a spiral coil 91 is installed on the outer wall of the stirring tank shell 5, the vertical cross-section of the spiral coil 91 is semicircular, and a heat exchange channel 92 extending in a spiral shape is formed between the spiral coil 91 and the outer wall of the stirring tank shell 5.

[0066] Among them, the stirring tank shell 5 is a stainless steel shell, and the stirring tank shell 5 is equipped with a liquid inlet joint 93 connected to one end of the spiral coil 91 and a liquid outlet joint 94 connected to the other end of the spiral coil 91. The liquid inlet joint 93 and the liquid outlet joint 94 are respectively connected to the heat exchange channel 92.

[0067] During the operation of the stirring kettle of the seventh embodiment, when cooling liquid is introduced into the heat exchange channel 92, the stirring kettle of the seventh embodiment can cool the material in the stirring chamber 51; when high-temperature liquid such as heat transfer oil is introduced into the heat exchange channel 92, the stirring kettle of the seventh embodiment can heat the material in the stirring chamber 51.

[0068] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A ribbon stirring assembly, comprising a stirring shaft (1) arranged vertically, the stirring shaft (1) being provided with a plurality of stirring rod groups (2) arranged in sequence from top to bottom, each stirring rod group (2) comprising two transverse stirring rods (21) aligned along the radial direction of the stirring shaft (1); Features: The spiral ribbon stirring assembly further comprises two spiral ribbon blades (3) in a spiral shape, the two spiral ribbon blades (3) being centrally symmetrically arranged on both sides of the stirring rotating shaft (1), each spiral ribbon blade (3) being a metal part, and a reinforcing rib (4) extending spirally along the corresponding spiral ribbon blade (3) being welded at the middle position of each spiral ribbon blade (3); The outer end of each transverse stirring rod (21) is respectively welded to the spiral ribbon blade (3) on the corresponding side.

2. A ribbon stirring assembly according to claim 1, characterized in that: The stirring rod assembly (2) comprises an intermediate fixing sleeve (22) which is sleeved on the outer periphery of the stirring shaft (1), and the intermediate fixing sleeve (22) is screwed and fastened to the stirring shaft (1) by means of a locking screw; The inner ends of the two transverse stirring rods (21) in the stirring rod group (2) are respectively connected to the middle fixing sleeve (22).

3. A ribbon stirring assembly according to claim 1, characterized in that: In two adjacent stirring rod groups (2), the transverse stirring rod (21) in the upper stirring rod group (2) is perpendicular to the transverse stirring rod (21) in the lower stirring rod group (2).

4. A ribbon stirring assembly according to claim 1, characterized in that: The stirring shaft (1), the transverse stirring rod (21), and the spiral blade (3) are respectively made of stainless steel.

5. The ribbon stirring assembly according to claim 1, characterized in that: The thickness of the spiral blade (3) is 16 mm, and the thickness of the reinforcing rib (4) is 12 mm.

6. A stirring kettle, comprising a stirring kettle shell (5), a stirring chamber (51) being formed inside the stirring kettle shell (5), a feed inlet (52) being provided at the upper end of the stirring kettle shell (5), a discharge port (53) being provided at the lower end of the stirring kettle shell (5), the feed inlet (52) and the discharge port (53) being respectively connected to the stirring chamber (51), and a stirring power assembly (6) being installed at the upper end of the stirring kettle shell (5); Features: A spiral ribbon stirring assembly as claimed in any one of claims 1 to 5 is installed in a stirring chamber (51) of a stirring kettle shell (5), and a stirring power assembly (6) is drivingly connected to a stirring shaft (1) in the spiral ribbon stirring assembly.

7. A stirred tank according to claim 6, characterized in that: The bottom of the stirring chamber (51) is screwed with a tripod (7) via a locking screw, and the upper end of the tripod (7) is connected to the lower end of the stirring shaft (1) via a bearing; The two transverse stirring rods (21) in the lowermost stirring rod group (2) are respectively welded with auxiliary stirring blades (8) protruding downwards and having a curved shape.

8. A stirred tank according to claim 6, characterized in that: The stirring power assembly (6) comprises a motor support (61) arranged at the upper end of the stirring tank shell (5), and a reduction motor (62) is installed at the upper end of the motor support (61); The motor support (61) is rotatably mounted with a vertically arranged intermediate connecting shaft (63) via a bearing, and the upper end of the intermediate connecting shaft (63) is connected to the power output shaft of the reduction motor (62) via a coupling; the lower end of the intermediate connecting shaft (63) extends into the stirring chamber (51), and the lower end of the intermediate connecting shaft (63) is connected to the upper end of the stirring shaft (1).

9. A stirred tank according to claim 6, characterized in that: The outer wall of the stirring tank shell (5) is provided with a spiral coil (91) in a spiral shape, the vertical cross-section of the spiral coil (91) is in a semicircular shape, and a heat exchange channel (92) extending in a spiral shape is formed between the spiral coil (91) and the outer wall of the stirring tank shell (5); The stirring tank shell (5) is a stainless steel shell, and is provided with a liquid inlet joint (93) connected to one end of the spiral coil (91), and a liquid outlet joint (94) connected to the other end of the spiral coil (91), and the liquid inlet joint (93) and the liquid outlet joint (94) are respectively connected to the heat exchange channel (92).

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