Chemical grinding device capable of improving grinding precision

Abstract

The chemical grinding device capable of improving the grinding precision comprises a box body, a feeding port is formed in the top of the box body, a cutting device is arranged below the feeding port, a material collecting plate is arranged below the cutting device, a through hole is formed in the center of the material collecting plate, and first grinding rolling shafts are symmetrically arranged below the through hole; a cavity is formed between the two first grinding rolling shafts, a material distributing plate is arranged below the cavity, the material distributing plate is a triangular plate arranged in the forward direction, and the highest point of the triangular plate is located on a center shaft of the cavity; and the two side edges of the triangular plate are each provided with a second grinding rolling shaft, a baffle is arranged between each second grinding rolling shaft and the corresponding first grinding rolling shaft, the top end of each baffle is connected with the inner side of the box body, and the bottom end of each baffle extends downwards and towards the corresponding second grinding rolling shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical raw material grinding, in particular to a chemical grinding device capable of improving grinding accuracy. Background Art

[0002] Grinding devices are essential production equipment in chemical plants. In the chemical machinery industry, raw materials are often processed into finished products of certain specifications, which often requires a series of chemical processes such as raw material pretreatment, chemical reaction, and separation and refining of reaction products. The preliminary grinding and crushing process of agglomerated chemical raw materials is the basis for ensuring the normal use of the secondary processing of chemical raw materials.

[0003] At present, the grinding equipment used in the prior art generally has a single grinding structure, and the single grinding structure will make the grinding accuracy of the grinding device not high enough. In addition, two symmetrically arranged grinding rollers are generally used for grinding in the current grinding structure. During the grinding process, raw materials often splash, so that the chemical raw materials do not pass through the single grinding structure, resulting in the grinding accuracy of the grinding device not being high enough. Utility Model Content

[0004] The purpose of the utility model is to provide a chemical grinding device with improved grinding accuracy. A pair of grinding rollers are arranged below a single grinding roller, and a baffle extending from the first grinding roller to the second grinding roller guides the raw materials splashed from the first grinding roller, so that the second grinding roller can grind the splashed raw materials, thereby improving the grinding accuracy of the grinding device.

[0005] In order to solve the above technical problems, the utility model adopts the following solutions:

[0006] A chemical grinding device for improving grinding accuracy comprises a box body, a feed inlet is arranged on the top of the box body, a cutting device is arranged below the feed inlet, a material collecting plate is arranged below the cutting device, a through hole is arranged at the center of the material collecting plate, and first grinding rollers are symmetrically arranged below the through hole, a cavity is provided between two first grinding rollers, a material dividing plate is arranged below the cavity, and the material dividing plate is a triangular plate arranged in a forward direction, and the highest point of the triangular plate is located on the central axis of the cavity;

[0007] A second grinding roller is respectively arranged on both side edges of the triangular plate, and a baffle is arranged between the second grinding roller and the corresponding first grinding roller, the top end of the baffle is connected to the inner side of the box body, and the bottom end of the baffle extends downward and toward the second grinding roller.

[0008] Furthermore, the height of the horizontal plane where the top end of the baffle is located is higher than the height of the horizontal plane where the second grinding roller is located, the height of the horizontal plane where the bottom end of the baffle is located is lower than the height of the horizontal plane where the first grinding roller is located and higher than the height of the horizontal plane where the second grinding roller is located, and the baffle is used to guide the raw materials splashed from the first grinding roller to the bottom of the second grinding roller.

[0009] Furthermore, the overall inclination height of the baffle is 0-45 degrees.

[0010] Furthermore, screen members are symmetrically arranged at both ends of the dividing plate, one end of the screen member is rotatably connected to the dividing plate, the other end of the screen member faces the inner side of the box body, and a discharge port is arranged corresponding to the inner side of the box body, a vibration motor is arranged below the screen member, and a lifting member is also arranged below the screen member, and the lifting member is used to lift and rotate one end of the screen member to a preset angle to concentrate the ground raw materials toward the discharge port.

[0011] Furthermore, the screen element includes a screen and a grid frame, the grid frame is a rectangular structure, the screen is arranged in the grid frame, and fixed blocks are symmetrically arranged at both ends of the dividing plate. The two ends of the grid frame are respectively connected to the two fixed blocks through pins.

[0012] Furthermore, the lifting member includes a support block arranged inside the box body, an electric telescopic rod is arranged above the support block, and the other end of the electric telescopic rod is connected to a connecting block arranged at the lower end of the screen through a pin shaft.

[0013] Furthermore, the surfaces of both side edges of the triangular plate are concave, and the curvature of the concave surface is 0-15 rad, and the second grinding roller is located at the lowest point of the concave surface.

[0014] Furthermore, the cutting device comprises a rotating shaft, the top end of which passes through the top of the box body and is connected to a rotating motor arranged on the top of the box body, and a plurality of cutting knives are arranged on the rotating shaft.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a chemical grinding device with improved grinding accuracy. A pair of grinding rollers are arranged below a single grinding roller, and a baffle extending from the first grinding roller to the second grinding roller guides the raw materials splashed out from the first grinding roller, so that the second grinding roller can grind the splashed raw materials, thereby improving the grinding accuracy of the grinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the internal structure of the box in Example 1 of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the lifting member in Embodiment 1 of the utility model;

[0019] Figure 3 This is a schematic structural diagram of a screen member in Embodiment 1 of the present utility model;

[0020] Explanation of the reference numerals: 1-box, 2-feed port, 31-rotating shaft, 32-cutting knife, 4-collecting plate, 5-first grinding roller, 6-baffle, 7-second grinding roller, 8-dividing plate, 9-screen element, 91-screen, 92-grinding frame, 93-fixing block, 10-lifting element, 101-support block, 102-electric telescopic rod, 103-connecting block, 104-pin shaft. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods, but the implementation methods of the present invention are not limited thereto.

[0022] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inside", "outside", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "open", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The present invention is described in detail below with reference to the accompanying drawings and in combination with embodiments:

[0025] Example 1

[0026] At present, the grinding equipment used in the prior art generally has a single grinding structure, and the single grinding structure will make the grinding precision of the grinding device not high enough, and the current grinding structure generally uses two symmetrically arranged grinding rollers for grinding. During the grinding process, raw materials often splash, so that the chemical raw materials do not pass through the single grinding structure, resulting in the grinding precision of the grinding device not being high enough.

[0027] Therefore, the utility model provides a chemical grinding device with improved grinding accuracy. A pair of grinding rollers are arranged below a single grinding roller, and a baffle 6 extending from the first grinding roller 5 to the second grinding roller 7 is used to guide the raw materials splashed from the first grinding roller 5, so that the second grinding roller 7 can grind the splashed raw materials, thereby improving the grinding accuracy of the grinding device.

[0028] Specifically, Figure 1 , Figure 2 , Figure 3 As shown, a chemical grinding device for improving grinding accuracy comprises a box body 1, a feed port 2 is arranged on the top of the box body 1, a cutting device is arranged below the feed port 2, a material collecting plate 4 is arranged below the cutting device, a through hole is arranged at the center of the material collecting plate 4, and first grinding rollers 5 are symmetrically arranged below the through hole, a cavity is provided between the two first grinding rollers 5, a material dividing plate 8 is arranged below the cavity, and the material dividing plate 8 is a triangular plate arranged in a forward direction, and the highest point of the triangular plate is located on the central axis of the cavity;

[0029] A second grinding roller 7 is respectively arranged on both side edges of the triangular plate, and a baffle 6 is arranged between the second grinding roller 7 and the corresponding first grinding roller 5, the top end of the baffle 6 is connected to the inner side of the box body 1, and the bottom end of the baffle 6 extends downward and toward the second grinding roller 7.

[0030] Preferably, the height of the horizontal plane where the top end of the baffle plate 6 is located is higher than the height of the horizontal plane where the second grinding roller 7 is located, the height of the horizontal plane where the bottom end of the baffle plate 6 is located is lower than the height of the horizontal plane where the first grinding roller 5 is located and higher than the height of the horizontal plane where the second grinding roller 7 is located, and the baffle plate 6 is used to guide the raw materials splashed from the first grinding roller 5 to the bottom of the second grinding roller 7.

[0031] Preferably, the overall inclination height of the baffle plate 6 is 0-45 degrees. The purpose is to block the splashed raw materials and guide them to the dividing plate 8 so that the second grinding roller 7 located on the dividing plate 8 can grind them.

[0032] Preferably, screen members 9 are symmetrically arranged at both ends of the dividing plate 8, one end of the screen member 9 is rotatably connected to the dividing plate 8, the other end of the screen member 9 faces the inner side of the box body 1, and a discharge port is correspondingly arranged on the inner side of the box body 1, a vibration motor is arranged below the screen member 9, and a lifting member 10 is also arranged below the screen member 9, and the lifting member 10 is used to lift and rotate one end of the screen member 9 to a preset angle to concentrate the ground raw materials toward the discharge port.

[0033] Preferably, the screen member 9 includes a screen 91 and a grid frame 92, the grid frame 92 is a rectangular structure, the screen 91 is arranged in the grid frame 92, and fixed blocks 93 are symmetrically arranged at both ends of the dividing plate 8. The two ends of the grid frame 92 are respectively connected to the two fixed blocks 93 through pins 104.

[0034] Preferably, the lifting member 10 includes a support block 101 disposed inside the box body 1, an electric telescopic rod 102 is disposed above the support block 101, and the other end of the electric telescopic rod 102 is connected to a connection block 103 disposed at the lower end of the screen 91 through a pin 104. Specifically, the electric telescopic rod 102 can be rotatably connected through the pin 104, so that the electric telescopic rod 102 is extended, and the screen member 9 is in an inclined distribution with one end high and the other end low, that is, the end facing the discharge port is lower, and the end facing the dividing plate 8 is higher, which is convenient for discharging.

[0035] Preferably, the surfaces of both side edges of the triangular plate are concave, and the curvature of the concave surface is 0-15rad, and the second grinding roller 7 is located at the lowest point of the concave surface. The purpose is to facilitate the second grinding roller 7 to grind the raw materials on the dividing plate 8. Among them, in this embodiment, a plurality of protrusions are provided on the surface of the second grinding roller 7 to facilitate the grinding of the raw materials. In addition, the raw materials ground by the first grinding roller 5 are also ground by the second grinding roller 7, which can ensure that the raw materials after passing through the first grinding roller 5 are ground to the required specifications, thereby improving the grinding accuracy of the grinding device.

[0036] Preferably, the cutting device comprises a rotating shaft 31 , the top end of which passes through the top of the box body 1 and is connected to a rotating motor disposed on the top of the box body 1 , and a plurality of cutting knives 32 are disposed on the rotating shaft 31 .

[0037] Based on the above principle, in this embodiment, the specific working process of the chemical grinding device for improving grinding accuracy is as follows: when the grinding device starts working, the rotating motor is turned on, and the inclination height of the screen 91 is adjusted by the electric telescopic rod 102, so that the screen 91 is adjusted to a preset angle and faces the discharge port, and then the vibration motor is turned on, and then the chemical raw materials are poured into the box body 1 from the feed port 2. The chemical raw materials will first pass through the rotating cutting knife 32, and the agglomerated chemical raw materials will be quickly crushed by the cutting knife 32. The crushed chemical raw materials fall into the middle of the two first grinding rollers 5 through the through holes. The two grinding rollers are arranged in parallel and the surfaces of the grinding rollers are The surface is provided with a protrusion, so that the chemical raw materials located between the two first grinding rollers 5 can be ground under the rotation of the first grinding roller 5. At this time, a small amount of chemical raw materials may splash out from the first grinding roller 5. Under the action of the baffle 6, the splashed raw materials will slide to between the second grinding roller 7 and the dividing plate 8. Under the rotation of the second grinding roller 7, the splashed raw materials are ground on the dividing plate 8 and slide onto the screen 91. The vibrating screen 91 can screen the ground raw materials more effectively, and the screened raw materials are guided to the discharge port for discharge under the action of the lifting member 10.

[0038] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A chemical grinding device for improving grinding accuracy, characterized in that: The invention comprises a box body (1), wherein a feed port (2) is arranged at the top of the box body (1), a cutting device is arranged below the feed port (2), a material collecting plate (4) is arranged below the cutting device, a through hole is arranged at the center of the material collecting plate (4), and first grinding rollers (5) are symmetrically arranged below the through hole, a cavity is provided between the two first grinding rollers (5), a material dividing plate (8) is arranged below the cavity, and the material dividing plate (8) is a triangular plate arranged in a forward direction, and the highest point of the triangular plate is located on the central axis of the cavity; A second grinding roller (7) is respectively arranged on both side edges of the triangular plate, and a baffle (6) is arranged between the second grinding roller (7) and the corresponding first grinding roller (5), the top end of the baffle (6) is connected to the inner side of the box body (1), and the bottom end of the baffle (6) extends downward and toward the second grinding roller (7).

2. A chemical grinding device for improving grinding accuracy according to claim 1, characterized in that: The height of the horizontal plane where the top end of the baffle (6) is located is higher than the height of the horizontal plane where the second grinding roller (7) is located, and the height of the horizontal plane where the bottom end of the baffle (6) is located is lower than the height of the horizontal plane where the first grinding roller (5) is located and higher than the height of the horizontal plane where the second grinding roller (7) is located. The baffle (6) is used to guide the raw materials splashed from the first grinding roller (5) to the bottom of the second grinding roller (7).

3. A chemical grinding device for improving grinding accuracy according to claim 2, characterized in that: The overall inclination height of the baffle (6) is 0-45 degrees.

4. A chemical grinding device for improving grinding accuracy according to claim 1, characterized in that: Screen members (9) are symmetrically arranged at both ends of the dividing plate (8), one end of the screen member (9) is rotatably connected to the dividing plate (8), the other end of the screen member (9) faces the inner side of the box body (1), and a discharge port is arranged on the inner side of the corresponding box body (1), a vibration motor is arranged below the screen member (9), and a lifting member (10) is also arranged below the screen member (9), and the lifting member (10) is used to lift and rotate one end of the screen member (9) to a preset angle so that the ground raw materials are concentrated toward the discharge port.

5. A chemical grinding device for improving grinding accuracy according to claim 4, characterized in that: The screen element (9) comprises a screen (91) and a grid frame (92); the grid frame (92) is a rectangular structure; the screen (91) is arranged inside the grid frame (92); fixed blocks (93) are symmetrically arranged at both ends of the dividing plate (8); and the two ends of the grid frame (92) are respectively connected to the two fixed blocks (93) via pins (104).

6. A chemical grinding device for improving grinding accuracy according to claim 5, characterized in that: The lifting member (10) comprises a support block (101) arranged on the inner side of the box body (1), an electric telescopic rod (102) is arranged above the support block (101), and the other end of the electric telescopic rod (102) is connected to a connection block (103) arranged at the lower end of the screen (91) via a pin shaft (104).

7. A chemical grinding device for improving grinding accuracy according to claim 1, characterized in that: The surfaces of both side edges of the triangular plate are concave surfaces, and the curvature of the concave surfaces is 0-15 rad, and the second grinding roller (7) is located at the lowest point of the concave surfaces.

8. A chemical grinding device for improving grinding accuracy according to claim 1, characterized in that: The cutting device comprises a rotating shaft (31), the top end of which passes through the top of the box body (1) and is connected to a rotating motor arranged on the top of the box body (1), and a plurality of cutting knives (32) are arranged on the rotating shaft (31).

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