High-speed mixer and stirring blade thereof

Abstract

The stirring blade comprises a stirring blade body, a cooling medium flow channel is arranged in the stirring blade body, an inlet of the cooling medium flow channel is used for introducing a cooling medium, and an outlet of the cooling medium flow channel is used for leading out the cooling medium, so that the cooling medium is circulated in the stirring blade body. Therefore, the heat exchange area of the material and the cooling medium can be greatly increased, the cooling effect of the material in the high-speed mixer can be improved, and the expected cooling effect of the material is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed mixers, and particularly relates to a high-speed mixer and its stirring blades. Background Art

[0002] Powder materials are widely used because of their convenient storage and fast transportation. In the actual production process, there are production processes involving the mixing of various types of powders, and a high-speed mixer is required for this mixing process. The uniformity of material mixing is closely related to the quality of the product, so the mixing effect plays an important role. However, in the actual production process, when the high-speed mixer is mixing materials, the materials generate heat under strong friction and it is not easy to dissipate. The heat rapidly increases with the extension of the mixing time, causing the temperature of the materials to rise, and then leading to the change of the material properties.

[0003] Currently, aiming at the problem of the increase in the temperature of materials during the mixing process of the high-speed mixer, the existing method is to add a cooling interlayer to the hopper of the high-speed mixer, and by introducing a cooling medium with a lower temperature into the cooling interlayer, the purpose of reducing the temperature of the materials is achieved.

[0004] However, in the normal mixing process, the mixed materials are at the bottom of the hopper of the high-speed mixer, and the height of the materials does not exceed half of the height of the inner wall of the hopper of the high-speed mixer, which greatly limits the heat exchange area between the materials and the cooling interlayer, reduces the cooling efficiency of the cooling medium, that is, this method has a poor cooling effect, resulting in the failure of the materials to reach the expected cooling effect. Summary of the Utility Model

[0005] In view of this, the utility model provides a stirring blade, which can greatly increase the heat exchange area between the materials and the cooling medium, help to improve the cooling effect of the materials in the high-speed mixer, and ensure that the materials reach the expected cooling effect.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A stirring blade is applied to a high-speed mixer, and includes a stirring blade body. A cooling medium flow channel is arranged inside the stirring blade body. The inlet of the cooling medium flow channel is used to introduce the cooling medium, and the outlet is used to lead out the cooling medium.

[0008] Preferably, the stirring blade body includes: a stirring shaft and a plurality of blades respectively sleeved on the stirring shaft;

[0009] The cooling medium flow channel includes: a cooling medium introduction flow channel, a cooling medium outlet flow channel, and a plurality of cooling medium circulation flow channels;

[0010] The cooling medium introduction flow channel and the cooling medium outlet flow channel are both arranged inside the stirring shaft, and a plurality of the cooling medium circulation flow channels are respectively arranged inside a plurality of the blades;

[0011] Among them, the cooling medium introduction channel is communicated with a plurality of the cooling medium circulation channels, and a plurality of the cooling medium circulation channels are all communicated with the cooling medium extraction channel. The cooling medium introduction channel is used for introducing the cooling medium, and the cooling medium extraction channel is used for extracting the cooling medium.

[0012] Preferably, the cooling medium introduction channel has a plurality of outlets, and all of them are located on the outer side wall of the stirring shaft and correspond to the plurality of blades one by one;

[0013] The cooling medium extraction channel has a plurality of inlets, and all of them are located on the outer side wall of the stirring shaft and correspond to the plurality of blades one by one;

[0014] The inlets and outlets of the cooling medium circulation channels of each blade are both located on the inner side wall of the blade;

[0015] Among them, the plurality of outlets of the cooling medium introduction channel are communicated with the inlets of the plurality of cooling medium circulations one by one, and the outlets of the plurality of cooling medium circulations are communicated with the plurality of inlets of the cooling medium extraction channel one by one.

[0016] Preferably, at least one of the inlet of the cooling medium introduction channel and the outlet of the cooling medium extraction channel is located on the first end face of the stirring shaft;

[0017] Among them, the first end face of the stirring shaft is far from the plurality of blades.

[0018] Preferably, the blade includes: a stirring ring, a support ring, a support frame and a plurality of blades;

[0019] The support ring is sleeved on the stirring shaft, the stirring ring is arranged outside the support ring and is concentric with the support ring, the support frame is arranged between the stirring ring and the support ring, and the plurality of blades are respectively arranged on the outer peripheral wall of the stirring ring;

[0020] The cooling medium circulation channels are all arranged inside the support ring, the support frame, the stirring ring and the plurality of blades.

[0021] Preferably, the plurality of blades are respectively a first blade, a second blade, a third blade and a fourth blade;

[0022] The support frame is a cross structure;

[0023] The cooling medium circulation channel includes: a first introduction channel, a second introduction channel, a circulation channel, a first extraction channel and a second extraction channel;

[0024] The circulation channel is arranged inside the stirring ring and is concentric with the stirring ring;

[0025] The first introduction flow channel is successively arranged inside the support ring, the first frame of the support frame, the stirring ring and the first blade and is communicated with the circulation flow channel;

[0026] The second introduction flow channel is successively arranged inside the support ring, the second frame of the support frame, the stirring ring and the second blade and is communicated with the circulation flow channel;

[0027] The first extraction flow channel is communicated with the circulation flow channel and is successively arranged inside the third blade, the stirring ring, the third frame of the support frame and the support ring;

[0028] The second extraction flow channel is communicated with the circulation flow channel and is successively arranged inside the fourth blade, the stirring ring, the fourth frame of the support frame and the support ring.

[0029] Preferably, the first frame of the support frame and the first blade are both located on the first side of the support ring;

[0030] The second frame of the support frame and the second blade are both located on the second side of the support ring;

[0031] The third frame of the support frame and the third blade are both located on the third side of the support ring;

[0032] The fourth frame of the support frame and the fourth blade are both located on the fourth side of the support ring;

[0033] Wherein, the first side and the second side of the support ring are opposite, and the third side and the fourth side are opposite.

[0034] Preferably, the part of the first introduction flow channel located on the first blade is distributed along the outer edge of the first blade;

[0035] The part of the second introduction flow channel located on the second blade is distributed along the outer edge of the second blade;

[0036] The part of the first extraction flow channel located on the third blade is distributed along the outer edge of the third blade;

[0037] The part of the second extraction flow channel located on the fourth blade is distributed along the outer edge of the fourth blade.

[0038] A high-speed mixer includes a stirring paddle, and the stirring paddle is the stirring paddle as described above.

[0039] As can be seen from the above technical solution, for the stirring blade provided by the present utility model, a cooling medium flow channel is arranged inside the stirring blade body, and a cooling medium is introduced at its inlet and led out at the outlet, so that the cooling medium realizes circulation inside the stirring blade body. In this way, the heat exchange area between the material and the cooling medium can be greatly increased, which helps to improve the cooling effect of the material in the high-speed mixer and ensure that the material reaches the expected cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0041] Figure 1 Structural schematic diagram of the stirring blade provided by the embodiment of the present utility model;

[0042] Figure 2 Structural schematic diagram of the high-speed mixer provided by the embodiment of the present utility model;

[0043] Figure 3 Top view of the cooperation between the stirring shaft and the first conversion end provided by the embodiment of the present utility model;

[0044] Figure 4 Front view of the cooperation between the stirring shaft and the first conversion end provided by the embodiment of the present utility model;

[0045] Figure 5 Side view of the cooperation between the stirring shaft and the first conversion end provided by the embodiment of the present utility model.

[0046] Among them, 1 is the motor, 2 is the support platform, 3 is the transmission device, 4 is the feeding port, 5 is the observation port, 6 is the high-speed mixer bin, 61 is the bin inner wall, 62 is the cooling interlayer, 63 is the bin outer wall, 7 is the paddle, 71 is the blade, 72 is the stirring ring, 73 is the first introduction flow channel, 74 is the first extraction flow channel, 75 is the circulation flow channel, 77 is the support frame, 78 is the second introduction flow channel, 79 is the second extraction flow channel, 8 is the stirring shaft, 81 is the first cooling medium introduction flow channel, 82 is the second cooling medium introduction flow channel, 9 is the first conversion end, 91 is the first end flow channel, 10 is the flange, and 11 is the cooling medium introduction pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0048] The stirring paddle provided by the embodiment of the present utility model is applied to a high-speed mixer and includes a stirring paddle body. As Figure 1 shown, a cooling medium flow channel is arranged inside the stirring paddle body. The inlet of the cooling medium flow channel is used to introduce the cooling medium, and the outlet is used to lead out the cooling medium.

[0049] It should be noted that, as Figure 2 shown, the high-speed mixer includes: a high-speed mixer bin 6, a support platform 2, a motor 1, a transmission device 3, and a stirring paddle (including a paddle part and a stirring shaft part); wherein, the high-speed mixer bin 6 is arranged on the support platform 2, the paddle part of the stirring paddle is arranged inside the bottom of the high-speed mixer bin 6, the lower part of the stirring shaft part is located outside the high-speed mixer bin 6, the motor 1 is arranged on the support platform 2, and the output end of the motor 1 is in transmission cooperation with the lower part of the stirring shaft part through the transmission device 3 to drive the stirring shaft part to rotate, thereby realizing the rotation of the stirring paddle, so as to mix the materials in the high-speed mixer bin 6. Moreover, a cooling sandwich 62 is arranged between the inner wall 61 and the outer wall 63 of the bin of the high-speed mixer bin 6, and cooling medium is introduced into the cooling sandwich 62 to cool the mixed materials in the high-speed mixer bin 6. Of course, as described in the background technology, the cooling effect of this method is not obvious;

[0050] In this regard, on this basis, the present solution optimizes the stirring paddle in the high-speed mixer that is in direct contact with the materials, that is, a cooling medium flow channel is arranged inside the stirring paddle body, the cooling medium is introduced at its inlet, and the cooling medium is led out at the outlet, so that the cooling medium circulates inside the stirring paddle body, that is, the cooling medium can continuously flow through the inside of the stirring paddle. In this way, the heat exchange area between the materials and the cooling medium can be greatly increased, which helps to improve the cooling effect of the materials in the high-speed mixer, ensure that the materials reach the expected cooling effect, and at the same time relieve the problem that the temperature of the materials is too high due to friction during the mixing process, and ensure that the physical and chemical properties of the materials meet the production requirements. Of course, the cooling medium flow channel is arranged inside the stirring paddle body, so that the cooling medium does not directly contact the external materials and avoid polluting the materials; wherein, the cooling medium can be a coolant; <(

[0051] In addition, to ensure the cooling effect of the material, the cooling medium flow channels should be distributed as much as possible inside each structural component of the stirring blade body, that is, as much as possible in the blade part and the stirring shaft part of the stirring blade body. Moreover, the inlet and outlet of the cooling medium flow channels can both be arranged on the lower end surface of the stirring shaft part, so that it can be located outside the hopper 6 of the high-speed mixer, which is convenient for introducing and discharging the cooling medium.

[0052] That is to say, based on the original cooling method of the high-speed mixer, this solution optimizes the stirring blades in the high-speed mixer that are in relatively frequent contact with the material. That is, cooling medium flow channels are provided inside the stirring blades to introduce and discharge the cooling medium, so that the cooling medium forms a cycle inside the stirring blades, that is, the cooling medium can continuously flow through the inside of the stirring blades, thereby additionally increasing the heat exchange area between the cooling medium and the material, so as to maximize the cooling effect of the cooling medium, dissipate the heat generated by friction as much as possible during the mixing process, and of course also achieve the effect of cooling the material while stirring the material. In this way, the cooling effect of the material can be further improved to ensure that the material reaches the expected cooling effect.

[0053] In this solution, as Figure 2 shown, the stirring blade body includes: a stirring shaft 8 and a plurality of blades 7 sleeved on the stirring shaft 8 respectively;

[0054] The cooling medium flow channels include: a cooling medium inlet flow channel, a cooling medium outlet flow channel and a plurality of cooling medium circulation flow channels;

[0055] The cooling medium inlet flow channel and the cooling medium outlet flow channel are both arranged inside the stirring shaft 8, and a plurality of cooling medium circulation flow channels are respectively arranged inside a plurality of blades 7;

[0056] Among them, the cooling medium inlet flow channel is communicated with a plurality of cooling medium circulation flow channels, and a plurality of cooling medium circulation flow channels are all communicated with the cooling medium outlet flow channel. The cooling medium inlet flow channel is used to introduce the cooling medium, and the cooling medium outlet flow channel is used to discharge the cooling medium.

[0057] It should be noted that the stirring shaft 8 is the stirring shaft part described above, and a plurality of blades 7 are the blade parts described above; among them, as Figure 2 shown, a plurality of blades 7 are respectively sleeved on the upper part of the stirring shaft 8 and are all located inside the bottom of the hopper 6 of the high-speed mixer. The output end of the motor 1 is in transmission cooperation with the lower part of the stirring shaft 8 through the transmission device 3;

[0058] Inside the stirring shaft 8, there are respectively provided a cooling medium inlet flow channel and a cooling medium outlet flow channel. Inside each of the multiple blades 7, there is provided a cooling medium circulating flow channel. Moreover, the outlet of the cooling medium inlet flow channel communicates with the inlets of the multiple cooling medium circulating flow channels, and the outlets of the multiple cooling medium circulating flow channels all communicate with the inlet of the cooling medium outlet flow channel. The inlet of the cooling medium inlet flow channel is used to introduce the cooling medium, and the outlet of the cooling medium outlet flow channel is used to discharge the cooling medium. In this way, the cooling medium is introduced from inside the stirring shaft 8, flows through the inside of the multiple blades 7, and then is discharged from inside the stirring shaft 8, which can make the arrangement of the cooling medium flow channel inside the stirring blade body more reasonable, and is also convenient for introducing and discharging the cooling medium. Of course, this will also form a cooling medium circulating flow channel inside the multiple blades 7, which can further increase the heat exchange area between the cooling medium and the material, thereby further ensuring the cooling effect of the material.

[0059] In addition, as Figure 2 shown, the multiple blades 7 are respectively a first blade, a second blade, and a third blade. Among them, the third blade is located at the bottom of the high-speed mixer bin 6, with a vertical distance of 2 - 3 cm from the bottom of the high-speed mixer bin 6 and a horizontal distance of 5 - 8 cm from the inner wall 61 of the bin. The second blade is located above the third blade, with a vertical distance of 10 cm from the third blade. The first blade is located above the second blade, with a vertical distance of 10 cm from the second blade. The first blade, the second blade, and the third blade all have four blades. The four blades of each layer of blades are evenly distributed around the stirring shaft 8, that is, the included angle between two adjacent blades of each layer of blades is 90°. And when looking from top to bottom, the total of 12 blades of these three layers of blades are evenly distributed around the stirring shaft 8, that is, the included angle between two adjacent blades is 30°. Among them, the angles of the four blades of the first blade can be 0°, 90°, 180°, 270°. The angles of the four blades of the second blade can be 30°, 120°, 210°, 300°. The angles of the four blades of the third blade can be 60°, 150°, 240°, 330°.

[0060] In addition, the mixing process of this high-speed mixer is as follows: The material enters the high-speed mixer bin 6 from the feeding port 4 of the high-speed mixer bin 6. After the material is added to the high-speed mixer bin 6, the motor 1 is started to drive the stirring blades to rotate through the transmission device 3. When starting to mix, the cooling medium is introduced into the cooling medium circulating flow channels of the multiple blades 7 through the cooling medium inlet flow channel. After passing through the cooling medium circulating flow channels of the multiple blades 7, it is then discharged through the cooling medium outlet flow channel, so that the cooling medium forms a cooling cycle inside the multiple blades 7. The material is stirred by the third blade for the bottom layer of the material. At the same time, under the action of centrifugal force and upward shear force, it moves vertically upward respectively. The upward moving material is then continuously stirred by the second blade and the first blade. During each stirring process, the first blade, the second blade, and the third blade are in full contact with the material, minimizing the temperature rise of the material and the blades caused by friction.

[0061] Specifically, the cooling medium inlet channel has a plurality of outlets, all of which are located on the outer sidewall of the stirring shaft 8 and correspond to the plurality of blades 7 one by one;

[0062] The cooling medium outlet channel has a plurality of inlets, all of which are located on the outer sidewall of the stirring shaft 8 and correspond to the plurality of blades 7 one by one;

[0063] The inlets and outlets of the cooling medium circulation channels of each blade 7 are both located on the inner sidewall of the blade 7; among them, the inner sidewall of the blade 7 refers to the inner sidewall of the part where the blade 7 is sleeved on the stirring shaft 8 (i.e., the inner peripheral wall of the support ring described below);

[0064] Among them, the plurality of outlets of the cooling medium inlet channel are connected to the plurality of inlets of the cooling medium circulation one by one, and the plurality of outlets of the cooling medium circulation are connected to the plurality of inlets of the cooling medium outlet channel one by one. This solution is designed in this way to facilitate the one-to-one corresponding connection between the plurality of outlets of the cooling medium inlet channel and the inlets of the plurality of cooling medium circulation channels, and the one-to-one docking connection between the outlets of the plurality of cooling medium circulation channels and the plurality of inlets of the cooling medium outlet channel, which also facilitates the connection between the cooling medium inlet channel and the plurality of cooling medium circulation channels, and the connection between the plurality of cooling medium circulation channels and the cooling medium outlet channel.

[0065] Furthermore, at least one of the inlet of the cooling medium inlet channel and the outlet of the cooling medium outlet channel is located on the first end face of the stirring shaft 8;

[0066] Among them, the first end face of the stirring shaft 8 is far from the plurality of blades 7. As Figure 2 shown, the first end face of the stirring shaft 8 is the lower end face of the stirring shaft 8, which can make the inlet of the cooling medium inlet channel and / or the outlet of the cooling medium outlet channel located outside the high-speed mixer bin 6, so as to facilitate the introduction and extraction of the cooling medium.

[0067] Still further, as Figure 1 shown, the blade 7 includes: a stirring ring 72, a support ring, a support frame 77 and a plurality of blades 71;

[0068] The support ring is sleeved on the stirring shaft 8, the stirring ring 72 is arranged on the outside of the support ring and is concentric with the support ring, the support frame 77 is arranged between the stirring ring 72 and the support ring, and the plurality of blades 71 are respectively arranged on the outer peripheral wall of the stirring ring 72;

[0069] The cooling medium circulation channels are all arranged inside the support ring, the support frame 77, the stirring ring 72 and the plurality of blades 71.

[0070] It should be noted that the support ring is sleeved on the outer peripheral wall of the stirring shaft 8, and the inner peripheral wall of the support ring is the inner sidewall of the blade 7 described above; as Figure 1As shown, the support ring and the stirring ring 72 are concentrically arranged inside and outside; the support frame 77 is equivalent to a connecting frame arranged between the stirring ring 72 and the support ring; a plurality of blades 71 are respectively arranged on the outer peripheral wall of the stirring ring 72 and can be evenly distributed (equally spaced) along the circumferential direction of the stirring ring 72; the cooling medium circulation channel is distributed inside the support ring, the support frame 77, the stirring ring 72 and a plurality of blades 71, that is, the cooling medium circulation channel is distributed inside each structural component of the paddle 7, which can make each structural component of the paddle 7 have the effect of heat exchange, that is, increase the heat exchange area between the paddle 7 and the material, thereby helping to improve the cooling effect of the paddle 7.

[0071] In this solution, as Figure 1 shown, the plurality of blades 71 are respectively a first blade, a second blade, a third blade and a fourth blade;

[0072] The support frame 77 is a cross structure; wherein, the support frame 77 is a cross support frame, and the first blade, the second blade, the third blade and the fourth blade are respectively located on the extended sides of the four frames (the first frame, the second frame, the third frame and the fourth frame) of the cross support frame;

[0073] The cooling medium circulation channel includes: a first introduction channel 73, a second introduction channel 78, a circulation channel 75, a first extraction channel 74 and a second extraction channel 79;

[0074] The circulation channel 75 is arranged inside the stirring ring 72 and is concentric with the stirring ring 72; wherein, as Figure 1 shown, the circulation channel 75 is an annular circulation channel and is concentrically distributed with the stirring ring 72;

[0075] The first introduction channel 73 is successively arranged inside the support ring, the first frame of the support frame 77, the stirring ring 72 and the first blade and is communicated with the circulation channel 75; wherein, the first introduction channel 73 is successively distributed inside the support ring, the first frame of the support frame 77, the stirring ring 72 and the first blade, the inlet of the first introduction channel 73 is located on the inner peripheral wall of the support ring and is communicated with the corresponding outlet of the cooling medium introduction channel, and the outlet is located inside the stirring ring 72 and is communicated with the circulation channel 75;

[0076] The second introduction channel 78 is successively arranged inside the support ring, the second frame of the support frame 77, the stirring ring 72 and the second blade and is communicated with the circulation channel 75; wherein, the second introduction channel 78 is successively distributed inside the support ring, the second frame of the support frame 77, the stirring ring 72 and the second blade, the inlet of the second introduction channel 78 is located on the inner peripheral wall of the support ring and is communicated with the corresponding outlet of the cooling medium introduction channel, and the outlet is located inside the stirring ring 72 and is communicated with the circulation channel 75;

[0077] The first extraction flow channel 74 communicates with the circulation flow channel 75 and is successively arranged inside the third blade, the stirring ring 72, the third frame of the support frame 77 and the support ring; among them, the first extraction flow channel 74 is successively distributed inside the third blade, the stirring ring 72, the third frame of the support frame 77 and the support ring, the inlet of the first extraction flow channel 74 is located inside the stirring ring 72 and communicates with the circulation flow channel 75, and the outlet is located on the inner peripheral wall of the support ring and communicates with the corresponding inlet of the cooling medium extraction flow channel;

[0078] The second extraction flow channel 79 communicates with the circulation flow channel 75 and is successively arranged inside the fourth blade, the stirring ring 72, the fourth frame of the support frame 77 and the support ring. Among them, the second extraction flow channel 79 is successively distributed inside the fourth blade, the stirring ring 72, the fourth frame of the support frame 77 and the support ring, the inlet of the second extraction flow channel 79 is located inside the stirring ring 72 and communicates with the circulation flow channel 75, and the outlet is located on the inner peripheral wall of the support ring and communicates with the corresponding inlet of the cooling medium extraction flow channel. That is to say, the cooling medium circulation flow channel is distributed inside each part of the paddle 7, so that the heat exchange area between the paddle 7 and the material can be maximized.

[0079] In addition, it should also be noted that as Figure 1 shown, the length of the blade 71 can be 25%-30% of the diameter of the stirring ring 72, and on the premise of ensuring the structural strength of the paddle 7, the flow areas of the first introduction flow channel 73, the second introduction flow channel 78, the circulation flow channel 75, the first extraction flow channel 74 and the second extraction flow channel 79 are as large as possible to achieve the optimal cooling effect.

[0080] That is to say, in this solution, the stirring paddle of the high-speed mixer is reasonably designed, and the stirring paddle is designed as a hollow flow channel structure, and a cooling medium is introduced into the hollow flow channel structure, so as to achieve the purpose of controlling the material temperature during the mixing process and ensure that the mixing effect of the high-speed mixer meets the production requirements.

[0081] Specifically, as Figure 1 shown, the first frame of the support frame 77 and the first blade are both located on the first side of the support ring;

[0082] The second frame of the support frame 77 and the second blade are both located on the second side of the support ring;

[0083] The third frame of the support frame 77 and the third blade are both located on the third side of the support ring;

[0084] The fourth frame of the support frame 77 and the fourth blade are both located on the fourth side of the support ring;

[0085] Among them, the first side and the second side of the support ring are opposite, and the third side and the fourth side are opposite. That is to say, the first inlet channel 73 and the second inlet channel 78 are located on two opposite sides of the support ring, and the first outlet channel 74 and the second outlet channel 79 are located on the other two opposite sides of the support ring. In this way, the cooling medium can better fill the interior of each part of the blade 7, and the cooling medium can better achieve a full circulation inside each part of the blade 7. In addition, as Figure 1 shown, the first frame of the support frame 77 and the first blade can both be located on the left side of the support ring, the second frame of the support frame 77 and the second blade can both be located on the right side of the support ring, the third frame of the support frame 77 and the third blade can both be located on the front side of the support ring, and the fourth frame of the support frame 77 and the fourth blade can both be located on the rear side of the support ring.

[0086] In addition, it should be noted that, as Figure 1 and Figure 4 shown, the cooling medium inlet channel may include: a first cooling medium inlet channel 81 and a second cooling medium inlet channel 82. The first cooling medium inlet channel 81 and the second cooling medium inlet channel 82 may be respectively arranged along the axial direction of the stirring shaft 8. The first cooling medium inlet channel 81 has a plurality of outlets, and may be located on the outer side wall of the stirring shaft 8 and communicate with the inlets of the first inlet channels 73 of a plurality of blades. The inlets may be located on the lower end surface of the stirring shaft 8; the second cooling medium inlet channel 82 has a plurality of outlets, and may be located on the outer side wall of the stirring shaft 8 and communicate with the inlets of the second inlet channels 78 of a plurality of blades. The inlets may be located on the lower end surface of the stirring shaft 8;

[0087] In addition, in order to facilitate the introduction of the cooling medium into the inlets of the first cooling medium inlet channel 81 and the second cooling medium inlet channel 82 during the rotation of the stirring shaft 8; correspondingly, as Figures 3 to 5 shown, a first conversion end 9 may be provided on the lower end surface of the stirring shaft 8. The first conversion end 9 is fixed relative to the stirring shaft 8 and is in contact and sealed cooperation with the lower end surface of the stirring shaft 8; among them, as Figure 4As shown in the figure, the lower end surface of the stirring shaft 8 may be provided with a cylindrical boss. The inlets of the first cooling medium inlet channel 81 and the second cooling medium inlet channel 82 extend to the lower end surface of the boss. Of course, a groove for mating with the boss on the lower end surface of the stirring shaft 8 is also provided at the top of the first conversion end 9. A disc-shaped first end channel 91 is provided at the bottom of the groove and is communicated with the inlets of the first cooling medium inlet channel 81 and the second cooling medium inlet channel 82. There is also an end inlet channel in the first conversion end 9. The outlet of the end inlet channel is communicated with the first end channel 91, and the inlet is located on the outer side wall of the first conversion end 9. Moreover, a flange 10 is provided on the outer side wall of the first conversion end 9 and is located at the outer end surface of the inlet of the end inlet channel. The flange 10 is used to externally connect the cooling medium inlet pipe 11, so that the inlets of the first cooling medium inlet channel 81 and the second cooling medium inlet channel 82 can effectively introduce the cooling medium;

[0088] Meanwhile, the cooling medium outlet channels may include: a first cooling medium outlet channel and a second cooling medium outlet channel. The first cooling medium outlet channel and the second cooling medium outlet channel may be respectively arranged along the axial direction of the stirring shaft 8. The first cooling medium outlet channel has a plurality of inlets, which may be located on the outer side wall of the stirring shaft 8 and may be communicated with the outlets of the first outlet channels 74 of a plurality of blades, and the outlet may be located on the outer side wall of the boss at the lower end surface of the stirring shaft 8; The second cooling medium outlet channel has a plurality of inlets, which may be located on the outer side wall of the stirring shaft 8 and may be communicated with the outlets of the second outlet channels 79 of a plurality of blades, and the outlet may be located on the outer side wall of the boss at the lower end surface of the stirring shaft 8;

[0089] In order to facilitate the extraction of the cooling medium from the outlets of the first cooling medium outlet channel and the second cooling medium outlet channel during the rotation of the stirring shaft 8; correspondingly, an annular second conversion end may be provided on the outer peripheral wall of the boss at the lower end surface of the stirring shaft 8. The second conversion end is fixed relative to the stirring shaft 8 and is in contact and sealing fit with the outer peripheral wall of the boss at the lower end surface of the stirring shaft 8; wherein, an annular second end channel is provided on the inner peripheral wall of the second conversion end and is communicated with the outlets of the first cooling medium outlet channel and the second cooling medium outlet channel. The outlet of the second end channel may be located on the outer side wall of the second conversion end and is used to dock with the cooling medium outlet pipe, so that the outlets of the first cooling medium outlet channel and the second cooling medium outlet channel can effectively extract the cooling medium.

[0090] Furthermore, as Figure 1 shown, the part of the first inlet channel 73 located in the first blade is distributed along the outer edge of the first blade;

[0091] The part of the second inlet channel 78 located in the second blade is distributed along the outer edge of the second blade;

[0092] The portion of the first extraction flow channel 74 located in the third blade is distributed along the outer edge of the third blade;

[0093] The portion of the second extraction flow channel 79 located in the fourth blade is distributed along the outer edge of the fourth blade. That is to say, the portion of the cooling medium circulation flow channel located in each blade is distributed along the outer edge of that blade. This can not only maximize the heat exchange area between each blade and the material, but also facilitate the heat exchange between each blade and the material, and can help to further improve the temperature reduction effect of the cooling medium circulation flow channel of the paddle 7.

[0094] In addition, as Figure 2 shown, the embodiment of the present utility model also provides a high-speed mixer, including a stirring paddle, and the stirring paddle is the stirring paddle as described above. Since this solution adopts the above-mentioned stirring paddle, it thus has corresponding beneficial effects, which can be specifically referred to the previous description and will not be elaborated here.

[0095] The various embodiments in this specification are described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0096] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A stirring paddle blade, applied to a high-speed mixer, includes a stirring paddle blade body, characterized in that, A cooling medium flow channel is provided inside the stirring blade body. The inlet of the cooling medium flow channel is used to introduce the cooling medium, and the outlet is used to lead out the cooling medium.

2. The stirring paddle according to claim 1, wherein, The stirring blade body includes a stirring shaft (8) and a plurality of blades (7) respectively sleeved on the stirring shaft (8); The cooling medium flow channel includes a cooling medium introduction flow channel, a cooling medium extraction flow channel, and a plurality of cooling medium circulation flow channels; Both the cooling medium introduction flow channel and the cooling medium extraction flow channel are provided inside the stirring shaft (8), and the plurality of cooling medium circulation flow channels are respectively provided inside the plurality of blades (7); Wherein, the cooling medium introduction flow channel communicates with the plurality of cooling medium circulation flow channels, and the plurality of cooling medium circulation flow channels all communicate with the cooling medium extraction flow channel. The cooling medium introduction flow channel is used to introduce the cooling medium, and the cooling medium extraction flow channel is used to lead out the cooling medium.

3. The stirring paddle according to claim 2, wherein, The cooling medium introduction flow channel has a plurality of outlets, all of which are located on the outer side wall of the stirring shaft (8) and correspond to the plurality of blades (7) one by one; The cooling medium extraction flow channel has a plurality of inlets, all of which are located on the outer side wall of the stirring shaft (8) and correspond to the plurality of blades (7) one by one; The inlet and outlet of the cooling medium circulation flow channel of each blade (7) are both located on the inner side wall of the blade (7); Wherein, the plurality of outlets of the cooling medium introduction flow channel are in one-to-one communication with the inlets of the plurality of cooling medium circulations, and the outlets of the plurality of cooling medium circulations are in one-to-one communication with the plurality of inlets of the cooling medium extraction flow channel.

4. The stirring paddle according to claim 3, characterized in that, At least one of the inlet of the cooling medium introduction flow channel and the outlet of the cooling medium extraction flow channel is located on the first end face of the stirring shaft (8); Wherein, the first end face of the stirring shaft (8) is far from the plurality of blades (7).

5. The stirring paddle according to claim 3, characterized in that, The blade (7) includes a stirring ring (72), a support ring, a support frame (77), and a plurality of blades (71); The support ring is sleeved on the stirring shaft (8), the stirring ring (72) is arranged on the outer side of the support ring and is concentric with the support ring, the support frame (77) is arranged between the stirring ring (72) and the support ring, and the plurality of blades (71) are respectively arranged on the outer peripheral wall of the stirring ring (72); The cooling medium circulation flow channels are all provided inside the support ring, the support frame (77), the stirring ring (72), and the plurality of blades (71).

6. The stirring paddle according to claim 5, characterized in that, The plurality of blades (71) are respectively a first blade, a second blade, a third blade, and a fourth blade; The support frame (77) is a cross structure; The cooling medium circulation flow channel includes a first introduction flow channel (73), a second introduction flow channel (78), a circulation flow channel (75), a first extraction flow channel (74), and a second extraction flow channel (79); The circulation flow channel (75) is arranged inside the stirring ring (72) and is concentric with the stirring ring (72); The first introduction flow channel (73) is sequentially arranged inside the support ring, the first frame of the support frame (77), the stirring ring (72) and the first blade and is communicated with the circulation flow channel (75); The second introduction flow channel (78) is sequentially arranged inside the support ring, the second frame of the support frame (77), the stirring ring (72) and the second blade and is communicated with the circulation flow channel (75); The first extraction flow channel (74) is communicated with the circulation flow channel (75) and is sequentially arranged inside the third blade, the stirring ring (72), the third frame of the support frame (77) and the support ring; The second extraction flow channel (79) is communicated with the circulation flow channel (75) and is sequentially arranged inside the fourth blade, the stirring ring (72), the fourth frame of the support frame (77) and the support ring.

7. The stirring paddle according to claim 6, wherein The first frame of the support frame (77) and the first blade are both located on the first side of the support ring; The second frame of the support frame (77) and the second blade are both located on the second side of the support ring; The third frame of the support frame (77) and the third blade are both located on the third side of the support ring; The fourth frame of the support frame (77) and the fourth blade are both located on the fourth side of the support ring; Wherein, the first side and the second side of the support ring are opposite, and the third side and the fourth side are opposite.

8. The stirring paddle according to claim 6, characterized in that, The part of the first introduction flow channel (73) located on the first blade is distributed along the outer edge of the first blade; The part of the second introduction flow channel (78) located on the second blade is distributed along the outer edge of the second blade; The part of the first extraction flow channel (74) located on the third blade is distributed along the outer edge of the third blade; The part of the second extraction flow channel (79) located on the fourth blade is distributed along the outer edge of the fourth blade.

9. A high-speed mixer, comprising a stirring paddle, characterized in that, The stirring paddle is the stirring paddle according to any one of claims 1-8.

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