Shearing mechanism for vacuum mixer

Abstract

This utility model discloses a shearing mechanism for a vacuum mixer, comprising a mixing and shearing cylinder, a stator, and a rotor. The stator is sleeved outside the rotor and connected to the mixing and shearing cylinder via a lifting mechanism. The rotor is rotatably mounted inside the mixing and shearing cylinder and is driven by a motor that rotates it. The motor is mounted outside the mixing and shearing cylinder. A circulation line is provided at the lower end of the side wall of the mixing and shearing cylinder. The shearing mechanism for a vacuum mixer provided by this utility model utilizes a lifting mechanism to raise and lower the stator, thereby adjusting the shearing gap between the stator and rotor. This allows the device to meet the needs of different working conditions. Furthermore, the circulation line enables the device to perform cyclic shearing of materials during use, effectively improving the shearing efficiency of the device.

Description

Technical Field

[0001] This utility model relates to the field of food processing equipment technology, and in particular to a shearing mechanism for a vacuum mixer. Background Technology

[0002] In the food processing industry, the dissolution, mixing, and emulsification of different materials are the most common and crucial processes. Vacuum mixing and shearing machines are often used for dissolving, mixing, and emulsifying different materials. The shearing mechanism in a vacuum mixer is the core component for achieving efficient mixing, dispersion, and refinement of materials. Its principle is based on the shearing force, friction force, and impact force generated by the relative motion of the rotor and stator, combined with the vacuum environment to prevent material oxidation or contamination.

[0003] Chinese Patent (Publication No.: CN111389246A) discloses a shearing mixer and a vacuum mixer using the shearing mixer. The stator and rotor are installed in a relatively fixed manner, which makes it impossible to adjust the shearing gap between the stator and rotor according to the material shearing requirements, resulting in poor applicability. At the same time, it cannot achieve material cyclic shearing, resulting in poor shearing efficiency.

[0004] Based on this, the present invention proposes a shearing mechanism for an air mixer to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a shearing mechanism for a vacuum mixer, which meets the usage requirements of the device under different working conditions and improves the shearing efficiency of the device.

[0006] To solve the above-mentioned technical problems, this utility model provides a shearing mechanism for a vacuum mixer, including a mixing and shearing cylinder installed at the bottom of the vacuum mixer tank and a stator and a rotor installed inside the mixing and shearing cylinder;

[0007] The stator is sleeved outside the rotor, and the stator is connected to the mixing and shearing cylinder via a lifting mechanism;

[0008] The lifting mechanism is used to control the lifting of the stator section to adjust the shear gap between the stator section and the rotor section;

[0009] The rotor is rotatably mounted inside the mixing and shearing drum, and the rotor is driven by a power motor that drives its rotation. The power motor is mounted outside the mixing and shearing drum.

[0010] A circulation line is provided at the lower end of the side wall of the mixing and shearing cylinder. The circulation line is used to extract the medium in the mixing and shearing cylinder from the lower end of the mixing and shearing cylinder and re-inject it from the top of the mixing and shearing cylinder.

[0011] Furthermore, the lifting mechanism includes multiple servo cylinders, which are installed at circumferential intervals on the outer bottom surface of the mixing and shearing cylinder, and the output ends of the multiple servo cylinders all pass through the bottom of the mixing and shearing cylinder and are connected to the stator.

[0012] Furthermore, the bottom surface of the mixing and shearing cylinder is provided with multiple through holes at circumferential intervals for the output end of the servo cylinder to pass through, and a sealing sleeve is installed in the through holes.

[0013] Furthermore, a turbulence sleeve is provided around the stator section, and multiple turbulence holes are provided on the turbulence sleeve at intervals.

[0014] Furthermore, the rotor section includes a drive shaft and a shearing blade assembly;

[0015] The drive shaft is rotatably mounted in the mixing and shearing drum, and the drive shaft is connected to the power motor in a transmission manner;

[0016] The shearing blade assembly is located above the stator section and is connected to the drive shaft.

[0017] Furthermore, the shearing blade assembly includes a mounting base and a cutting blade;

[0018] The mounting base is fixed on the drive shaft;

[0019] There are multiple cutters, and the multiple cutters are arranged around the side wall of the mounting base with spacing between them.

[0020] Furthermore, the circulation circuit includes a circulation pipe and a suction pump;

[0021] One end of the circulation pipe is connected to the lower end of the side wall of the mixing and shearing cylinder through a first valve, and the other end of the circulation pipe is connected to the lower end of the side wall of the vacuum mixer tank through a second valve.

[0022] The suction pump is installed on the circulation pipe.

[0023] Furthermore, a discharge pipe is connected to the circulation pipe via a third valve.

[0024] Furthermore, the top of the mixing and shearing cylinder has a fixed flange, which is connected to the vacuum mixer tank body by bolts.

[0025] Compared with the prior art, the present invention has at least the following beneficial effects:

[0026] The shearing mechanism for the vacuum mixer provided by this utility model utilizes a lifting mechanism to drive the stator section to rise and fall, thereby adjusting the shearing gap between the stator section and the rotor section. This allows the device to meet the usage requirements of different working conditions. At the same time, through the setting of a circulation circuit, the device can perform cyclic shearing of materials during use, effectively improving the shearing efficiency of the device. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the shearing mechanism for the vacuum mixer in this embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the servo cylinder installation in an embodiment of this utility model. Detailed Implementation

[0029] The shearing mechanism for the vacuum mixer of this utility model will now be described in more detail with reference to the schematic diagrams, which illustrate preferred embodiments of this utility model. It should be understood that those skilled in the art can modify the utility model described herein while still achieving its advantageous effects. Therefore, the following description should be understood as being of general knowledge to those skilled in the art and is not intended to limit the utility model.

[0030] The present invention will be described in more detail below by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0031] like Figure 1 As shown in the figure, this utility model embodiment proposes a shearing mechanism for a vacuum mixer, including a mixing and shearing cylinder 1 installed at the bottom of the vacuum mixer tank 01, and a stator part 2 and a rotor part 3 installed inside the mixing and shearing cylinder 1.

[0032] The stator 2 is sleeved outside the rotor 3, and the stator 2 is connected to the mixing and shearing cylinder 1 through a lifting mechanism; the rotor 3 is rotatably installed inside the mixing and shearing cylinder 1, and the rotor 3 is driven by a power motor 4, which is installed outside the mixing and shearing cylinder 1; a circulation line 5 is provided at the lower end of the side wall of the mixing and shearing cylinder 1.

[0033] In this embodiment, the stator 2 can be raised and lowered by the lifting mechanism, thereby adjusting the shear gap between the stator 2 and the rotor 3, so that the device can meet the usage requirements of different working conditions.

[0034] Specifically, in the food processing field, different materials require different degrees of shearing. For example, some require coarse crushing, while others require fine crushing or emulsification, and the shearing forces required for coarse crushing, fine crushing, and emulsification are different. By adjusting the shearing gap between the stator section 2 and the rotor section 3, the magnitude of the shearing force can be adjusted (the smaller the gap, the higher the shearing force), so that the device can meet the usage requirements of different working conditions and improve the applicability of the device.

[0035] Furthermore, in this embodiment, by setting up the circulation line 5, the material that has reached the bottom of the mixing and shearing cylinder 1 after shearing is extracted and put back in from the top of the mixing and shearing cylinder 1, so as to realize the circulation shearing of the material and improve the shearing efficiency.

[0036] In the above embodiment, the lifting mechanism includes multiple servo cylinders 6, which are installed at circumferential intervals on the outer bottom surface of the mixing and shearing cylinder 1, and the output ends of the multiple servo cylinders 6 all pass through the bottom of the mixing and shearing cylinder 1 and are connected to the stator part 2.

[0037] By controlling the extension / contraction of the output end of the servo cylinder 6, the stator section 2 can be lifted / lowered, thereby adjusting the gap between the stator section 2 and the rotor section 3.

[0038] The servo cylinder 6 uses multiple cylinders to improve the stability of the stator section 2.

[0039] Furthermore, in conjunction with reference Figure 2 The bottom surface of the mixing and shearing cylinder 1 has multiple through holes 11 spaced at circumferential intervals for the output end of the servo cylinder 6 to pass through. A sealing sleeve 7 is installed inside each through hole 11. The sealing sleeve 7 ensures the airtightness of the servo cylinder 6 installation.

[0040] Furthermore, a sealing gasket 9 is installed between the outer bottom surface of the mixing and shearing cylinder 1 and the outer shell of the servo cylinder 6 to further improve the sealing performance.

[0041] In the above embodiment, a turbulence sleeve 8 is provided around the stator section 2, and a plurality of turbulence holes 81 are provided on the turbulence sleeve 8 at intervals. The presence of the turbulence sleeve 8 interferes with the normal flow of materials, causing the materials to generate a turbulent flow state when flowing through the turbulence sleeve 8, forming local eddies and turbulence. This turbulent flow helps to break up material agglomerates, allowing materials of different components to come into more full contact and mix with each other, thereby improving the uniformity of mixing.

[0042] In the above embodiment, the rotor section 3 includes a drive shaft 31 and a shearing blade assembly 32; the drive shaft 31 is rotatably mounted in the mixing and shearing cylinder 1, and the drive shaft 31 is drive-connected to the power motor 4; the shearing blade assembly 32 is located above the stator section 2, and the shearing blade assembly 32 is connected to the drive shaft 31. By driving the power motor 4, the drive shaft 31 can be rotated, thereby adjusting the rotation of the shearing blade assembly 32 to achieve the shearing operation.

[0043] In the above embodiment, the shearing blade assembly 33 includes a mounting base 331 and cutters 332; the mounting base 331 is fixed on the drive shaft 31; there are multiple cutters 332, which are arranged around the side wall of the mounting base 331 at intervals. The arrangement of multiple cutters 332 ensures a good shearing effect of the shearing blade assembly 33 and can provide a good turbulence effect.

[0044] In the above embodiment, the circulation line 5 includes a circulation pipe 51 and a suction pump 52; one end of the circulation pipe 51 is connected to the lower end of the side wall of the mixing and shearing cylinder 1 through a first valve 53, and the other end of the circulation pipe 51 is connected to the lower end of the side wall of the vacuum mixer tank 01 through a second valve 54; the suction pump 52 is installed on the circulation pipe 51.

[0045] By starting the suction pump 52, the material at the bottom of the mixing and shearing cylinder 1 is sucked into the circulation pipe 51 under the action of suction, and then enters the vacuum mixer tank 01 from the lower end of the side wall of the vacuum mixer tank 01. Then, it enters the shearing gap between the stator section 2 and the rotor section 3 from the top of the mixing and shearing cylinder 1, realizing the circulation and shearing of the material.

[0046] Furthermore, a discharge pipe 56 is connected to the circulation pipe 51 via a third valve 55. The discharge pipe 56 facilitates the removal of the mixed material from the vacuum mixer tank 01 for the next process.

[0047] Specifically, when discharging the mixed material, the second valve 54 is closed, the first valve 53 and the third valve 55 are opened, and the suction pump 52 is started. The material is then discharged from the discharge pipe 56 at an accelerated rate due to the suction force of the suction pump 52.

[0048] In the above embodiment, the top of the mixing and shearing cylinder 1 has a fixed flange (not shown in the figure). The fixed flange is connected to the vacuum mixer tank 01 by bolts, so as to realize the detachable connection between the mixing and shearing cylinder 1 and the vacuum mixer tank 01, so as to facilitate the maintenance of the inside of the mixing and shearing cylinder 1. In addition, to ensure the sealing of the installation of the mixing and shearing cylinder 1, a sealing ring (not shown in the figure) is provided on the end face of the fixed flange.

[0049] In summary, the shearing mechanism for the vacuum mixer provided by this utility model has at least the following advantages over the prior art:

[0050] The shearing mechanism for the vacuum mixer provided by this utility model utilizes a lifting mechanism to drive the stator section to rise and fall, thereby adjusting the shearing gap between the stator section and the rotor section. This allows the device to meet the usage requirements of different working conditions. At the same time, through the setting of a circulation circuit, the device can perform cyclic shearing of materials during use, effectively improving the shearing efficiency of the device.

[0051] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A shearing mechanism for a vacuum mixer, characterized in that, Includes a mixing and shearing cylinder installed at the bottom of the vacuum mixer tank, and a stator and a rotor installed inside the mixing and shearing cylinder; The stator is sleeved outside the rotor, and the stator is connected to the mixing and shearing cylinder via a lifting mechanism; The lifting mechanism is used to control the lifting of the stator section to adjust the shear gap between the stator section and the rotor section; The rotor is rotatably mounted inside the mixing and shearing drum, and the rotor is driven by a power motor that drives its rotation. The power motor is mounted outside the mixing and shearing drum. A circulation line is provided at the lower end of the side wall of the mixing and shearing cylinder. The circulation line is used to extract the medium in the mixing and shearing cylinder from the lower end of the mixing and shearing cylinder and re-inject it from the top of the mixing and shearing cylinder.

2. The shearing mechanism for a vacuum mixer as described in claim 1, characterized in that, The lifting mechanism includes multiple servo cylinders, which are installed at circumferential intervals on the outer bottom surface of the mixing and shearing cylinder, and the output ends of the multiple servo cylinders all pass through the bottom of the mixing and shearing cylinder and are connected to the stator.

3. The shearing mechanism for a vacuum mixer as described in claim 2, characterized in that, The bottom surface of the mixing and shearing cylinder has multiple through holes spaced at circumferential intervals for the output end of the servo cylinder to pass through, and a sealing sleeve is installed in each through hole.

4. The shearing mechanism for a vacuum mixer as described in claim 1, characterized in that, A turbulence sleeve is provided around the stator section, and multiple turbulence holes are provided on the turbulence sleeve at intervals.

5. The shearing mechanism for a vacuum mixer as described in claim 1, characterized in that, The rotor section includes a drive shaft and a shearing blade assembly; The drive shaft is rotatably mounted in the mixing and shearing drum, and the drive shaft is connected to the power motor in a transmission manner; The shearing blade assembly is located above the stator section and is connected to the drive shaft.

6. The shearing mechanism for a vacuum mixer as described in claim 5, characterized in that, The shearing blade assembly includes a mounting base and a cutting blade; The mounting base is fixed on the drive shaft; There are multiple cutters, and the multiple cutters are arranged around the side wall of the mounting base with spacing between them.

7. The shearing mechanism for a vacuum mixer as described in claim 1, characterized in that, The circulation circuit includes a circulation pipe and a suction pump; One end of the circulation pipe is connected to the lower end of the side wall of the mixing and shearing cylinder through a first valve, and the other end of the circulation pipe is connected to the lower end of the side wall of the vacuum mixer tank through a second valve. The suction pump is installed on the circulation pipe.

8. The shearing mechanism for a vacuum mixer as described in claim 7, characterized in that, The circulation pipe is connected to a discharge pipe via a third valve.

9. The shearing mechanism for a vacuum mixer as described in claim 1, characterized in that, The top of the mixing and shearing cylinder has a fixed flange, which is connected to the vacuum mixer tank body by bolts.

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