Grinding disc

Abstract

The utility model discloses a millstone to solve the problems that an existing roller is low in grinding efficiency and poor in equipment stability. The grinding disc comprises a disc body, a rotary disc shaft is vertically arranged on the disc body, the lower end of the rotary disc shaft is connected with a motor, the motor is arranged in the disc body, the upper end of the rotary disc shaft is connected with a conical grinding disc, an electric control cabinet is connected with the motor, and a heat dissipation channel used for conducting heat dissipation on the motor is further arranged on the disc body; the grinding device is simple in overall structure and convenient to use, operation of the motor is automatically controlled through the electric control cabinet, automatic grinding can be achieved, meanwhile, the contact area between the grinding disc and materials is larger through the design of the conical grinding disc, and the grinding efficiency and uniformity are improved; the motor is arranged in the disc body, the external space is saved, the overall structural design is more compact, miniaturization of equipment is facilitated, the motor disc is particularly suitable for equipment or application occasions with limited space, meanwhile, damage of the external environment to the motor is reduced, and the service life of the motor is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of food processing, in particular to a grinding disc. BACKGROUND

[0002] The grinding disc mainly refers to a stone tool for shelling sorghum, millet, rice and other grains or grinding rice into bran or flour by human or animal power. The traditional millstone is matched with a millstone and a millstone, and the material is ground by manually pushing by hand, but the grinding efficiency is low and the manpower is wasted.

[0003] The patent document CN210700513U discloses an electric variable-speed stone mill, which comprises a millstone and a distribution box, an annular grinding groove is formed in the millstone, a variable-speed gearbox is installed in the middle part of the upper surface of the millstone, a connecting rod is installed on the central shaft of the variable-speed gearbox, a millstone is installed at the end of the connecting rod, a millstone motor is installed on the upper surface of the millstone, and the millstone motor is connected with the variable-speed gearbox. However, in the document, the millstone motor is arranged on the upper surface of the millstone, which makes the center of gravity of the whole device high, thereby affecting the stability of the device during operation, especially during high-speed operation, which may cause the device to vibrate intensively; at the same time, the millstone motor is installed on the upper surface of the millstone, which may be affected by the heat generated during the grinding process, especially during long-time operation, the heat dissipation of the motor may be insufficient, which may cause the motor to overheat and affect the service life; in addition, the lubricating oil or parts of the motor are also easy to fall into the grains in the grinding groove, thereby causing the pollution of the grains. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the present application provides a grinding disc to solve the problems of low grinding efficiency and poor device stability of the existing millstone.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A grinding disc, comprising a disc body, an annular grinding groove for accommodating materials is formed in the area close to the edge of the upper surface of the disc body, a rotating disc shaft is vertically arranged in the area close to the center of the upper surface of the disc body, the lower end of the rotating disc shaft is connected with a motor, the motor is arranged in the interior of the disc body, the upper end of the rotating disc shaft is connected with a millstone through a connecting rod, the millstone is a conical millstone, the outer surface of the conical millstone is conical, and the grinding groove is a semicircular structure.

[0007] The motor is connected with an electric control cabinet, the electric control cabinet is located outside the disc body, and a heat dissipation channel for dissipating heat of the motor is further arranged on the disc body.

[0008] Optionally, there is a gap between the outer surface of the millstone and the left inner wall of the grinding groove.

[0009] A first diagonal tooth is arranged on the lower part of the outer surface of the millstone, and a second diagonal tooth is arranged on the right inner wall of the grinding groove.

[0010] Optionally, the length of the first diagonal tooth is less than the length of the second diagonal tooth, and the contact length between the grinding disc and the grinding groove is 10 cm.

[0011] The angle between the inner surface of the grinding disc and the vertical plane is 35°.

[0012] Optionally, the rotating disc shaft is connected to the motor through a speed reducer.

[0013] Optionally, the electric control cabinet is connected to the motor through wires or wirelessly.

[0014] Optionally, the inside of the disc body is provided with a mounting space for mounting the motor, and a temperature sensor is mounted in the mounting space, and the temperature sensor is connected to the electric control cabinet.

[0015] Optionally, the motor is provided with a cooling fin on the outside.

[0016] Optionally, the motor is a variable frequency motor.

[0017] Compared with the prior art, the present application has at least the following beneficial effects:

[0018] 1. Based on further analysis and research on the problems of the prior art, the present application provides a grinding disc, which comprises a disc body, a rotating disc shaft vertically arranged on the disc body, a lower end of the rotating disc shaft connected to a motor, the motor arranged inside the disc body, an upper end of the rotating disc shaft connected to a conical grinding disc, an electric control cabinet connected to the motor, and a cooling channel arranged on the disc body for cooling the motor. The present application has a simple overall structure and is easy to use. The operation of the motor is automatically controlled by the electric control cabinet, which can realize automatic grinding. The design of the conical grinding disc increases the contact area between the grinding disc and the material, thereby improving the grinding efficiency and uniformity. The motor is built-in the disc body, which saves external space and makes the overall structure design more compact, which is conducive to realizing the miniaturization of the equipment, especially suitable for equipment or application occasions with limited space, and reduces the damage of the external environment to the motor, prolonging the service life of the motor.

[0019] 2. The present application has a gap between the outer surface of the grinding disc and the left inner wall of the grinding groove, which can ensure that the size of the material particles is within a reasonable range, effectively prevent the material from being excessively ground, improve the grinding efficiency, and reduce the wear of the equipment. The lower part of the outer surface of the grinding disc is provided with a first diagonal tooth, and the right inner wall of the grinding groove is provided with a second diagonal tooth, thereby increasing the contact area with the material during the grinding process, improving the grinding efficiency and grinding effect.

[0020] 3、The application also has a temperature sensor, which can monitor the temperature change of the motor in real time, ensure that the motor works within a safe temperature range; the synergistic effect of the electric control cabinet, the motor and the temperature sensor further improves the safety, reliability and stability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more intuitively illustrate the prior art and the present application, the following exemplary drawings are given. It should be understood that the specific shapes, structures shown in the drawings should not be regarded as limiting conditions in the implementation of the present application; for example, based on the technical concept disclosed in the present application and the exemplary drawings, those skilled in the art can easily make routine adjustments or further optimization to some units (components) in terms of increase / decrease / attribute division, specific shape, positional relationship, connection mode, size ratio relationship, etc.

[0022] Figure 1 The structure schematic diagram of the grinding disc provided for an embodiment of the present application is shown in the figure;

[0023] Figure 2 For Figure 1 The cross-sectional view is shown in the figure;

[0024] Figure 3 For Figure 1 The local schematic diagram of the grinding groove is shown in the figure.

[0025] Explanation of reference signs:

[0026] 1, disc body; 11, grinding groove; 111, left inner wall; 112, right inner wall; 12, mounting space;

[0027] 2, rotating disc shaft; 3, connecting rod; 4, grinding disc; 5, electric control cabinet; 6, motor; 7, speed reducer. DETAILED DESCRIPTION

[0028] The present application will be further described in detail below by specific embodiments in combination with the accompanying drawings.

[0029] In the description of the present application: unless otherwise specified, the meaning of "multiple" is two or more. The terms "first", "second", "third" and the like in the present application are intended to distinguish the objects referred to, and do not have special technical connotations (for example, should not be understood as emphasizing importance or order, etc.). The expressions such as "include", "contain", "have" and the like also mean "not limited to" (certain units, components, materials, steps, etc.).

[0030] The terms such as "upper", "lower", "left", "right", "middle" and the like in the present application are generally indications of the relative position relationship for the purpose of intuitive understanding by referring to the drawings, and are not absolute limitations on the position relationship in the actual product.

[0031] One embodiment of the present application is a grinding disc, as shown in the drawings, comprising a disc body 1, an annular grinding groove 11 (also known as a grain groove) is arranged on the upper surface of the disc body 1 near the edge for accommodating materials, a rotating disc shaft 2 is vertically arranged on the upper surface of the disc body 1 near the center, the lower end of the rotating disc shaft 2 is connected with a motor 6, the motor 6 is arranged inside the disc body 1, the upper end of the rotating disc shaft 2 protrudes from the disc body 1, and the upper end of the rotating disc shaft 2 is connected with a grinding disc 4 through a connecting rod 3, the grinding disc 4 is a conical grinding disc, the outer surface of the conical grinding disc is conical, and the grinding groove 11 is a semicircular structure. Figure 1 , Figure 2 The grinding disc further comprises an electric control cabinet 5 arranged outside the disc body 1, the electric control cabinet 5 is connected with the motor 6, and a heat dissipation channel for dissipating heat of the motor 6 is further arranged on the disc body 1.

[0032] Preferably, a gap exists between the outer surface of the grinding disc 4 and the left inner wall 111 of the grinding groove 11, and the contact position of the two is located in the right side area of the grinding groove 11, as shown in the drawings, the purpose of this design is to ensure that the size of the material particles is within a reasonable range, effectively prevent the material from being excessively ground, improve the grinding efficiency, and reduce the equipment wear;

[0033] Preferably, the outer surface of the grinding disc 4 is provided with first diagonal teeth, and the right inner wall 112 of the grinding groove 11 is provided with second diagonal teeth. Figure 3 Further preferably, the length of the first diagonal teeth is less than the length of the second diagonal teeth, and the contact length between the grinding disc 4 and the grinding groove 11 is about 10 cm, and the first diagonal teeth are arranged at the contact position between the grinding disc 4 and the grinding groove 11.

[0034] Further preferably, the angle between the inner surface of the conical grinding disc and the vertical surface is about 35°, as shown in the drawings.

[0035] Preferably, as shown in the drawings, a speed reducer 7 is further arranged inside the disc body 1, the rotating disc shaft 2 and the motor 6 are connected through the speed reducer 7, and the motor 6 is a variable frequency motor 6.

[0036] Figure 3 Further preferably, the electric control cabinet 5 and the motor 6 are connected through wires or wirelessly.

[0037] Still further preferably, an installation space 12 for installing the motor 6 is arranged inside the disc body 1, the speed reducer 7 is also installed in the installation space 12, a temperature sensor is installed in the installation space 12, the temperature sensor is connected with the electric control cabinet 5, and transmits the collected temperature data to the electric control cabinet 5 in real time, the electric control cabinet 5 processes and analyzes these data, and adjusts the operating parameters of the motor 6 according to the temperature data. Figure 2

[0038] Further preferably, the electric control cabinet 5 and the motor 6 are connected through wires or wirelessly.

[0039] Still further preferably, an installation space 12 for installing the motor 6 is arranged inside the disc body 1, the speed reducer 7 is also installed in the installation space 12, a temperature sensor is installed in the installation space 12, the temperature sensor is connected with the electric control cabinet 5, and transmits the collected temperature data to the electric control cabinet 5 in real time, the electric control cabinet 5 processes and analyzes these data, and adjusts the operating parameters of the motor 6 according to the temperature data. ​​

[0040] The temperature sensor can monitor the temperature change of the motor 6 in real time when the motor 6 is running, ensure that the motor 6 works within a safe temperature range, effectively avoid damage of the motor 6 due to overheating, and improve the safety, reliability and stability of the equipment.

[0041] In addition, a heat sink can be arranged outside the motor 6, or a cooling fan can be added in the above-mentioned installation space 12, so that the heat generated during the operation of the motor 6 can be quickly dissipated to the external environment through the heat dissipation channel.

[0042] In one example: the height of the disc body 1 is 70 cm; the length of the rotating disc shaft 2 is 150 cm; the diameter of the grinding disc 4 is 82 cm, which is greater than the depth of the grinding groove 11; the slot diameter of the grinding groove 11 is 33 cm, which is greater than the diameter of the bottom of the grinding groove 11, so as to facilitate the material to enter the grinding groove 11 and reduce the accumulation of the material in the slot.

[0043] The working principle of the above-mentioned embodiment is as follows:

[0044] The material is put into the grinding groove 11, the motor 6 drives the rotating disc shaft 2 to rotate through the speed reducer 7, and drives the grinding disc 4 to grind the material in the grinding groove 11, for example, grinding grains into edible rice;

[0045] In addition, the temperature in the installation space 12 can be transmitted to the electric control cabinet 5 in real time through the temperature sensor, and the electric control cabinet 5 adjusts the operation parameters of the motor 6 according to the temperature data and the grinding state of the material.

[0046] In summary, the present application has at least the following advantages:

[0047] 1. The grinding disc is a conical grinding disc, and the rotation of the motor is automatically controlled by the electric control cabinet, so that automatic grinding can be realized, and the design of the conical grinding disc makes the contact area between the grinding disc and the material larger, thereby improving the grinding efficiency and uniformity;

[0048] 2. The motor is built-in in the disc body, which can save external space, make the overall structure design of the product more compact, be conducive to realizing miniaturization of the equipment, and be especially suitable for equipment or application occasions with limited space; at the same time, the motor is installed away from the grinding area, which reduces the direct contact between the motor and the heat generated during the grinding process, thereby improving the heat dissipation condition of the motor, providing better protection for the motor, reducing the damage of the external environment to the motor, and prolonging the service life of the motor;

[0049] 3. The synergistic effect of the electric control cabinet, the motor and the temperature sensor further improves the safety, reliability and stability of the equipment.

[0050] Any technical features in the above embodiments can be combined (as long as the combinations of the technical features do not contradict each other), and for the sake of brevity, not all possible combinations of the technical features in the above embodiments are described; the embodiments not explicitly written in the above description should also be considered as the scope of the present disclosure.

Claims

1. A grinding disc comprising a disc body, an annular grinding groove for accommodating materials is formed in the area near the edge of the upper surface of the disc body, and a rotating disc shaft is vertically arranged in the area near the center of the upper surface of the disc body, characterized in that, The lower end of the rotating disc shaft is connected with the motor, the motor is arranged in the interior of the disc body, the upper end of the rotating disc shaft is connected with the grinding disc through a connecting rod, the grinding disc is a conical grinding disc, the outer surface of the conical grinding disc is conical, and the grinding groove is a semicircular structure. The motor is connected with the electric control cabinet, the electric control cabinet is located outside the disc body, and a heat dissipation channel for heat dissipation of the motor is further arranged on the disc body.

2. The millstone according to claim 1, characterized in that There is a gap between the outer surface of the grinding disc and the left inner wall of the grinding groove; The lower part of the outer surface of the grinding disc is provided with first diagonal teeth, and the right inner wall of the grinding groove is provided with second diagonal teeth.

3. The millstone according to claim 2, characterized in that The length of the first diagonal teeth is smaller than that of the second diagonal teeth, and the contact length between the grinding disc and the grinding groove is 10 cm. The angle between the inner surface of the grinding disc and the vertical surface is 35°.

4. The millstone according to claim 1, wherein The rotating disc shaft is connected with the motor through a speed reducer.

5. The millstone according to claim 1, wherein The electric control cabinet is connected with the motor through wires or wireless mode.

6. The millstone according to claim 1 or 4 or 5, characterized in that, The interior of the disc body is provided with a mounting space for mounting the motor, and a temperature sensor is mounted in the mounting space, and the temperature sensor is connected with the electric control cabinet.

7. The millstone according to claim 6, characterized in that The motor is provided with a heat dissipation fin.

8. The millstone of claim 1, wherein, The motor is a variable frequency motor.

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