Superhard raw material premixing device for preparing grinding wheel

Abstract

The utility model relates to the technical field of grinding wheel preparation, and discloses a superhard raw material premixing device for preparing a grinding wheel, which comprises a material mixing barrel, a feeding pipe is arranged on the upper side of the material mixing barrel, a discharging pipe is arranged on the lower side of the material mixing barrel, and a cavity is arranged in the center of a top plate and a bottom plate of the material mixing barrel; the motor is arranged on the top plate of the mixing barrel, and an output shaft of the motor penetrates through the top plate and extends into the cavity; the driving wheel is arranged on an output shaft of the motor; the driven wheel is arranged on one side of the driving wheel; the rotating shaft is arranged in the shaft hole of the driving wheel, and the rotating shaft is arranged in the mixing barrel; the stirring plate is arranged on the rotating shaft; the screw rod is arranged in the shaft hole of the driven wheel, and the screw rod is arranged in the mixing barrel; and the scraping disc is sleeved on the screw rod. The superhard raw material premixing device for preparing the grinding wheel solves the problem that raw materials of existing equipment can be adhered to the inner wall of a material mixing barrel.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding wheel preparation, and particularly relates to a superhard raw material premixing device for preparing grinding wheels. Background Art

[0002] A grinding wheel is an abrasive tool with superhard abrasive grains and is used for grinding workpieces rotating at high speed. A superhard raw material premixing device is a device for preparing grinding wheels, and its main function is to mix various superhard raw materials in a certain proportion to prepare the matrix material of the grinding wheel. In the use process of the existing raw material premixing device, the entire driving mechanism and the stirring shaft need to be lifted, and the power required for this lifting is relatively large, which is not conducive to the use of the device.

[0003] The Chinese utility model patent with the publication number CN219849201U discloses a raw material premixing device for modified asphalt production. Through transmission parts, the driving shaft rotates, which is conducive to the rotation of the shunt pipe, so that asphalt is evenly input into the mixing tank. The lower connecting seat is lifted by an electric telescopic rod, which is conducive to changing the angle between the two relative movable rods, thereby realizing the change of the stirring amplitude of the stirring part and improving the stirring effect. Driven by the lower connecting seat, the arc-shaped rod is lifted, which is conducive to stirring the materials at the bottom of the mixing tank and further improving the mixing effect of the device. However, the device still has some other problems. For example, during stirring, some materials will adhere to the inner wall of the mixing cylinder and are difficult to clean, and it is impossible to determine which material adheres to the inner wall of the mixing cylinder, resulting in long-term accumulation of materials and affecting the mixing uniformity. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a superhard raw material premixing device for preparing grinding wheels to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the following technical solutions are provided: A superhard raw material premixing device for preparing grinding wheels, comprising:

[0006] A mixing cylinder, an inlet is provided on the upper side of the mixing cylinder, a feed pipe is fixedly arranged inside the inlet, an outlet is provided on the lower side of the mixing cylinder, a discharge pipe is fixedly arranged inside the outlet, and cavities are arranged at the centers of the top plate and the bottom plate of the mixing cylinder;

[0007] A motor, configured on the top plate of the mixing cylinder, and the output shaft of the motor penetrates the top plate and extends into the cavity;

[0008] A driving wheel, configured on the output shaft of the motor;

[0009] A driven wheel, configured on one side of the driving wheel;

[0010] The rotating shaft is configured in the shaft hole of the driving wheel, and the rotating shaft is arranged inside the mixing cylinder;

[0011] The stirring plate is configured on the rotating shaft;

[0012] The screw is configured in the shaft hole of the driven wheel, and the screw is arranged inside the mixing cylinder;

[0013] The scraping disc is sleeved on the screw.

[0014] In the above technical solution, further, a round hole is formed in the center of the scraping disc, and the stirring plate can rotate inside the round hole.

[0015] In any of the above technical solutions, further, the driving wheel and the driven wheel are arranged inside the cavity, and the driving wheel and the driven wheel are meshed with each other.

[0016] In any of the above technical solutions, further, two symmetrical threaded holes are formed in the scraping disc, and the screw is meshed with the threaded holes.

[0017] In any of the above technical solutions, further, the outer diameter of the scraping disc is smaller than the inner wall diameter of the mixing cylinder, and a scraping plate is arranged on the periphery of the scraping disc.

[0018] In any of the above technical solutions, further, the scraping plate is in a triangular structure, and a rubber sleeve is wrapped around the periphery of the scraping plate, and the rubber sleeve is attached to the inner wall of the mixing cylinder.

[0019] The beneficial effects of the present utility model are:

[0020] 1. By fixedly arranging a motor on the top plate of the mixing cylinder, and a cavity is formed inside the top plate of the mixing cylinder, the output shaft of the motor penetrates through the top plate of the mixing cylinder and is fixedly connected to the upper end inside the shaft hole of the driving wheel. The lower end of the shaft hole of the driving wheel is also fixedly provided with a rotating shaft, and the rotating shaft extends into the mixing cylinder. A plurality of stirring plates with different heights are fixedly arranged on the periphery of the rotating shaft. By driving the rotating shaft to rotate through the motor, the stirring plates can stir the raw materials inside the mixing cylinder.

[0021] 2. By further providing two driven wheels inside the cavity, the two driven wheels are engaged with the driving wheel. A screw rod is fixedly arranged in the shaft hole of the driven wheel. The screw rod penetrates through the top plate of the mixing cylinder and extends into the interior of the mixing cylinder. A scraping plate is arranged inside the mixing cylinder. Two threaded holes and a circular hole are formed on the scraping plate. The diameter of the circular hole is large enough to leave sufficient space for the rotation of the stirring plate. The internal thread of the threaded hole is engaged with the external thread of the screw rod. In this way, when the motor drives the driving wheel to rotate, the driven wheels can be driven by the driving wheel to rotate together. Thus, the two screw rods are respectively fixedly connected to the two driven wheels. When the motor is working, the two rotating shafts can rotate simultaneously, thereby driving the scraping plate to change its height up and down along the direction of the screw rod. Since the scraping plate is in contact with the interior of the mixing cylinder, when the scraping plate moves upward, the raw materials near the inner wall of the mixing cylinder above the scraping plate can be squeezed into the interior of the circular hole and flow to the bottom of the mixing cylinder. Thus, the raw materials can be stirred by the stirring plate when passing through the circular hole. Similarly, when the scraping plate moves downward, the raw materials near the inner wall of the mixing cylinder below the scraping plate can be squeezed into the interior of the circular hole and flow to the top of the mixing cylinder. Thus, the raw materials can be stirred by the stirring plate when passing through the circular hole. Therefore, the raw materials inside the mixing cylinder can be stirred more fully. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural view of the present utility model;

[0023] Figure 2 is a schematic cross-sectional view of the structure of the present utility model;

[0024] DESCRIPTION OF REFERENCE NUMERALS: 100, mixing cylinder; 110, feed inlet; 120, feed pipe; 130, discharge outlet; 140, discharge pipe; 150, cavity; 200, motor; 210, driving wheel; 220, driven wheel; 230, rotating shaft; 240, stirring plate; 250, screw rod; 260, scraping plate; 261, circular hole; 262, threaded hole; 263, scraping blade; 264, rubber sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present application will be clearly described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. For the convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0027] As Figure 1 - Figure 2 shown, this embodiment provides a premixing device for superhard raw materials for preparing grinding wheels, including:

[0028] A mixing cylinder 100, an inlet 110 is provided on the upper side of the mixing cylinder 100, a feed pipe 120 is fixedly arranged inside the inlet 110, an outlet 130 is provided on the lower side of the mixing cylinder 100, a discharge pipe 140 is fixedly arranged inside the outlet 130, and cavities 150 are arranged at the centers of the top plate and the bottom plate of the mixing cylinder 100;

[0029] A motor 200, configured on the top plate of the mixing cylinder 100, and the output shaft of the motor 200 penetrates the top plate where it is located and extends into the interior of the cavity 150;

[0030] A driving wheel 210, configured on the output shaft of the motor 200;

[0031] A driven wheel 220, configured on one side of the driving wheel 210;

[0032] A rotating shaft 230, configured in the shaft hole of the driving wheel 210, and the rotating shaft 230 is arranged inside the mixing cylinder 100;

[0033] Stirring plates 240, configured on the rotating shaft 230;

[0034] A screw 250, configured in the shaft hole of the driven wheel 220, and the screw 250 is arranged inside the mixing cylinder 100;

[0035] A scraping disc 260, sleeved on the screw 250.

[0036] In this technical solution, in order to facilitate scraping the raw materials adhered to the inner wall of the mixing cylinder 100, a cavity 150 is provided in the middle of the top plate and the bottom plate of the mixing cylinder 100. A motor 200 is fixedly arranged above the top plate of the mixing cylinder 100. The output shaft of the motor 200 penetrates the top plate of the mixing cylinder 100 and is fixedly connected to the upper end inside the shaft hole of the driving wheel 210. The lower end inside the shaft hole is fixedly connected with a rotating shaft 230. A stirring plate 240 is fixedly arranged on the periphery of the rotating shaft 230. By rotating the motor 200, the rotating shaft 230 is driven to rotate, so that the stirring plate 240 can be driven to rotate, and thus the raw materials in the mixing cylinder 100 can be stirred. Two driven wheels 220 are respectively arranged on both sides of the driving wheel 210. A screw 250 is fixedly arranged inside the shaft holes of the two driven wheels 220. The screw 250 passes through the top plate of the mixing cylinder 100 and is arranged inside the mixing cylinder 100. A scraping disc 260 is sleeved on the two screws 250. The rotation of the driven wheel 220 can drive the two screws 250 to rotate, so that the scraping disc 260 changes its height along the direction of the screw 250. Thus, the scraping disc 260 can scrape the raw materials adhered to the inner wall of the mixing cylinder 100, so as to facilitate the uniform stirring of the raw materials. An inlet 110 is provided at the upper end of the mixing cylinder 100. A feed pipe 120 is fixedly arranged inside the inlet 110. An outlet 130 is provided at the lower end of the mixing cylinder 100. A discharge pipe 140 is fixedly arranged inside the outlet 130. Sealing plugs are arranged at the outlets of the feed pipe 120 and the discharge pipe 140. Raw materials are put into the mixing cylinder 100 through the inlet 110. The motor 200 drives the stirring plate 240 to stir the raw materials inside the mixing cylinder 100. When the scraping disc 260 moves up and down along the screw 250, the raw materials adhered to the inner wall of the mixing cylinder 100 can be scraped off and re-added to the raw materials for stirring. By repeating the operation, the raw materials are fully stirred and then discharged from the discharge pipe 140. When cleaning, repeating the operation during mixing can also clean the raw materials on the inner wall of the mixing cylinder 100, which is convenient for the mixing of different component raw materials next time. In addition, openable lids are arranged above the top plate and below the bottom plate of the mixing cylinder 100, so as to facilitate the installation and disassembly of the driving wheel 210 and the driven wheels 220.

[0037] This embodiment provides a premixing device for superhard raw materials for preparing grinding wheels. In addition to including the technical solution of the above embodiment, it also has the following technical features.

[0038] As Figure 2 shown, in this embodiment, a circular hole 261 is provided in the center of the scraping disc 260, and the stirring plate 240 can rotate inside the circular hole 261.

[0039] In this technical solution, in order to provide sufficient space for the stirring plate 240 to move when the scraping plate 263 changes its position up and down, a circular hole 261 is provided at the central position of the scraping disc 260. The size of the circular hole 261 is large enough for the stirring plate 240 to rotate inside the circular hole 261. At the same time, when the scraping disc 260 rises, the raw materials on the upper side of the scraping disc 260 can flow from the inside of the circular hole 261 to the lower side of the scraping disc 260 through the circular hole 261. The raw materials passing through the inside of the circular hole 261 are further stirred by the stirring plate 240, so that the raw materials can be stirred more fully. Similarly, when the scraping disc 260 descends, the raw materials on the lower side of the scraping disc 260 pass through the circular hole 261 and enter the upper side of the disc. When passing through the inside of the circular hole 261, the raw materials are further stirred by the stirring plate 240, so that the raw materials can be stirred more fully.

[0040] This embodiment provides a premixing device for superhard raw materials for preparing grinding wheels. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0041] As Figure 2 shown, in this embodiment, the driving wheel 210 and the driven wheel 220 are arranged inside the cavity 150, and the driving wheel 210 and the driven wheel 220 are meshed with each other.

[0042] In this technical solution, for the convenience of operation, the driving wheel 210 and the driven wheel 220 are arranged inside the cavity 150. The driving wheel 210 is arranged at the central position of the cavity 150, and the driven wheels 220 are arranged on both sides of the driving wheel 210. The driving wheel 210 is meshed with the two driven wheels 220. In this way, when the motor 200 drives the driving wheel 210 to rotate, the two driven wheels 220 can be driven to rotate, thereby driving the two threaded rods to rotate.

[0043] This embodiment provides a premixing device for superhard raw materials for preparing grinding wheels. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0044] As Figure 2 shown, in this embodiment, two symmetrically arranged threaded holes 262 are provided on the scraping disc 260, and the screw rod 250 is meshed with the threaded holes 262.

[0045] In this technical solution, in order to facilitate the change of the position height of the scraping disc 260, two threaded holes 262 are provided on the scraping disc 260. The positions of the two threaded holes 262 correspond to the positions of the shaft holes of the two driven wheels 220. The internal threads of the two threaded holes 262 are respectively engaged with the external threads of the two screw rods 250. Thus, when the driven wheel 220 drives the screw rod 250 to rotate, the turntable can be changed in height. At the same time, the motor 200 is a forward and reverse motor 200, so that the forward and reverse rotations of the driving wheel 210 and the driven wheel 220 can be controlled, and thus the turntable can change its position up and down along the screw rod 250, so that the raw materials adhered to the inner wall of the mixing cylinder 100 can be scraped off repeatedly, and the raw materials inside the mixing cylinder 100 can be stirred more fully.

[0046] This embodiment provides a premixing device for superhard raw materials for preparing grinding wheels. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0047] As Figure 1 - Figure 2 shown, in this embodiment, the outer diameter of the scraping disc 260 is smaller than the inner wall diameter of the mixing cylinder 100, and a scraping plate 263 is provided on the periphery of the scraping disc 260.

[0048] In this technical solution, in order to facilitate scraping the raw materials adhered to the inner wall of the mixing cylinder 100 cleanly, the outer diameter of the scraping disc 260 is set to be smaller than the inner wall diameter of the mixing cylinder 100. In this way, it is convenient to provide a scraping plate 263 between the periphery of the scraping disc 260 and the inner wall of the mixing cylinder 100. The scraping plate 263 is fixedly arranged on the periphery of the scraping disc 260. In this way, when the scraping disc 260 changes its height up and down, the scraping plate 263 can easily contact the inside of the mixing cylinder 100, so as to facilitate scraping the raw materials adhered to the inner wall of the mixing cylinder 100.

[0049] This embodiment provides a premixing device for superhard raw materials for preparing grinding wheels. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0050] As Figure 1 - Figure 2 shown, in this embodiment, the scraping plate 263 is formed in a triangular structure, and a rubber sleeve 264 is wrapped around the periphery of the scraping plate 263, and the rubber sleeve 264 is fitted to the inner wall of the mixing cylinder 100 for grinding wheel preparation technology.

[0051] In this technical solution, in order to protect the inner wall of the mixing cylinder 100, the scraping plate 263 is set to be formed in a triangular structure. On the side of the periphery of the scraping plate 263 close to the inner wall of the mixing cylinder 100, a rubber sleeve 264 is wrapped. One edge of the scraping plate 263 wrapped with the rubber sleeve 264 abuts against the inner wall of the mixing cylinder 100. In this way, when the scraping disc 260 changes its height, the scraping plate 263 wrapped with the rubber sleeve 264 can scrape the raw materials on the inner wall of the mixing cylinder 100 cleanly, so as to facilitate stirring and cleaning.

[0052] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A premixing device for superhard raw materials for preparing grinding wheels, characterized in that, Comprising: A mixing cylinder (100), an inlet (110) is provided on the upper side of the mixing cylinder (100), a feed pipe (120) is fixedly arranged inside the inlet (110), an outlet (130) is provided on the lower side of the mixing cylinder (100), a discharge pipe (140) is fixedly arranged inside the outlet (130), and cavities (150) are arranged at the centers of the top plate and the bottom plate of the mixing cylinder (100); A motor (200), arranged on the top plate of the mixing cylinder (100), and an output shaft of the motor (200) penetrates through the top plate where it is located and extends into the interior of the cavity (150); A driving wheel (210), arranged on the output shaft of the motor (200); A driven wheel (220), arranged on one side of the driving wheel (210); A rotating shaft (230), arranged in the shaft hole of the driving wheel (210), and the rotating shaft (230) is arranged inside the mixing cylinder (100); Stirring plates (240), arranged on the rotating shaft (230); A screw (250), arranged in the shaft hole of the driven wheel (220), and the screw (250) is arranged inside the mixing cylinder (100); A scraping disc (260), sleeved on the screw (250).

2. The premixing device for superhard raw materials for preparing grinding wheels according to claim 1, wherein: A circular hole (261) is provided at the center of the scraping disc (260), and the stirring plate (240) can rotate inside the circular hole (261).

3. The premixing device for superhard raw materials for preparing grinding wheels according to claim 1, wherein: The driving wheel (210) and the driven wheel (220) are arranged inside the cavity (150), and the driving wheel (210) and the driven wheel (220) are meshed with each other.

4. The premixing device for superhard raw materials for preparing grinding wheels according to claim 1, wherein: Two symmetrically arranged threaded holes (262) are provided on the scraping disc (260), and the screw (250) is meshed with the threaded holes (262).

5. The superhard raw material premixing device for preparing grinding wheels according to claim 1, characterized in that: The outer diameter of the scraping disc (260) is smaller than the inner wall diameter of the mixing cylinder (100), and a scraping plate (263) is arranged on the periphery of the scraping disc (260).

6. The superhard raw material premixing device for preparing grinding wheels according to claim 5, characterized in that: The scraping plate (263) is in a triangular structure, and a rubber sleeve (264) is wrapped around the periphery of the scraping plate (263), and the rubber sleeve (264) is in contact with the inner wall of the mixing cylinder (100).

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