A raw material crushing device for producing high-activity calcium carbonate powder

Abstract

The utility model relates to raw material crushing technical field, concretely is a raw material crushing device for high activity calcium carbonate powder production, the utility model discloses, including rubbing crusher, feed port, discharge gate and support leg, the inner wall of feed port is equipped with screening device, the screening device includes long board, the inner wall fixed connection of long board and feed port, the surface of long board is equipped with a plurality of filter holes, the surface fixed connection of feed port has the flow guide plate, the surface fixed connection of flow guide plate has first baffle and second baffle, the surface fixed connection of flow guide plate has the apron, the surface fixed connection of apron and discharge gate, the one side fixed connection of flow guide plate has the fixed frame. The problem of solving the existence of relatively big granule in the calcium carbonate powder after crushing, these relatively big granules can enter subsequent conveying equipment, cause the abrasion, block or jam of equipment, also can influence the performance of calcium carbonate powder in different application fields.

Description

Technical Field

[0001] This utility model relates to the field of raw material crushing technology, and in particular to a raw material crushing device for the production of high-activity calcium carbonate powder. Background Technology

[0002] The raw material crushing device for producing high-activity calcium carbonate powder refers to the equipment used in the production process to crush and grind calcium carbonate raw materials to achieve the required particle size and activity. Common equipment includes jaw crushers, hammer crushers, Raymond mills, vertical mills, and air jet mills. Raw material crushing is a crucial step in the production of high-activity calcium carbonate powder. Due to its unique properties, high-activity calcium carbonate powder is widely used in coatings, inks, plastics, rubber, and many other fields. However, traditional raw material crushing devices for producing high-activity calcium carbonate powder have several drawbacks. On the one hand, the particle size distribution of the crushed calcium carbonate powder is relatively wide, making it difficult to precisely control within the narrow range required by various application fields. On the other hand, the crushing equipment cannot effectively intercept larger particles that do not meet the particle size requirements.

[0003] Regarding the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: large particles are present in the pulverized calcium carbonate powder, which can enter subsequent conveying equipment, causing wear, blockage or jamming of the equipment, and also affecting the performance of calcium carbonate powder in different application fields; therefore, a raw material pulverizing device for the production of highly active calcium carbonate powder is proposed to address the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where large particles remain in the pulverized calcium carbonate powder. These large particles can enter subsequent conveying equipment, causing wear, blockage, or jamming, and also affecting the performance of calcium carbonate powder in different application fields. Therefore, this invention proposes a raw material pulverizing device for the production of highly active calcium carbonate powder.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a raw material crushing device for producing high-activity calcium carbonate powder, comprising a crusher, a feed inlet, a discharge outlet, and support legs. The inner wall of the feed inlet is provided with a screening device, which includes a long plate fixedly connected to the inner wall of the feed inlet. The surface of the long plate is provided with a plurality of filter holes. A guide plate is fixedly connected to the surface of the feed inlet. A first baffle and a second baffle are fixedly connected to the surface of the guide plate. A baffle is fixedly connected to the surface of the guide plate, and the baffle is fixedly connected to the surface of the discharge outlet.

[0006] The aforementioned components achieve the following effects: by setting up a sieving device, the pulverized calcium carbonate powder is sieved, preventing larger particles that do not meet the particle size requirements from passing through. This results in a more uniform particle size in the final product, meeting production standards and preventing uneven particle size from affecting the performance of calcium carbonate powder in different application fields. For example, in coatings and inks, uniformly sized calcium carbonate powder can give products better gloss and stability. It also prevents larger particles from entering subsequent conveying equipment, causing wear, blockage, or jamming, reducing the frequency of equipment failures, and ensuring the smooth operation of the production process.

[0007] Preferably, a fixing frame is fixedly connected to one side of the drainage plate, a collection box is slidably connected to the inner wall of the fixing frame, a handle is fixedly connected to the surface of the collection box, two irregularly shaped plates are fixedly connected to the surface of the collection box, a rotating shaft is fixedly connected to the inner wall of the irregularly shaped plates, a limiting plate is rotatably connected to the surface of the rotating shaft, an insertion hole is opened on the surface of the limiting plate, L-shaped plates are fixedly connected to both sides of the fixing frame, a fixing rod is slidably inserted into the inner wall of the L-shaped plate, the fixing rod is slidably connected to the inner wall of the insertion hole of the limiting plate, and a pull plate is fixedly connected to one end of the fixing rod.

[0008] The above-mentioned components achieve the following effects: they enable the centralized collection of larger calcium carbonate powder particles screened out, facilitating their return to the crusher for further processing, thus realizing the effective utilization of resources and efficient production cycle, reducing the amount of raw materials discarded due to unqualified particle size, and lowering the cost of raw material procurement.

[0009] Preferably, the arc surface of the fixing rod is fitted with a spring, and the two ends of the spring are fixedly connected to the pull plate and the limiting plate, respectively.

[0010] The aforementioned components achieve the following effect: under the action of the spring, the fixing rod automatically springs back and inserts into the hole of the limiting plate, thus improving the practicality of the device.

[0011] Preferably, a buffer pad is fixedly connected to the inner wall of the fixing frame. The buffer pad is serrated in shape, and its surface is slidably connected to the collection box. The buffer pad is made of rubber.

[0012] The effect achieved by the above components is as follows: by setting up a buffer pad, the impact force on the bottom surface of the collection box when calcium carbonate powder falls is reduced, avoiding deformation, wear or cracks on the bottom surface of the collection box caused by long-term impact, thereby extending the service life of the collection box.

[0013] Preferably, the surface of the support leg is provided with a dust suppression device, the dust suppression device includes a water tank, the water tank is fixedly connected to the surface of the support leg, a water pump is fixedly connected to the side wall of the water tank, the water pump's inlet is connected to the water tank, the water pump's outlet is connected to a water pipe, and one end of the water pipe is connected to a mist nozzle.

[0014] The effects achieved by the above-mentioned components are as follows: by setting up dust suppression devices, the dust in the workshop is effectively reduced, the dust concentration in the air is lowered, the working environment meets occupational health and safety standards, the health of workers is protected, and environmental pollution caused by excessive dust concentration is avoided.

[0015] Preferably, both sides of the water tank are fixedly connected to a fixing plate, and a rotating rod is fixedly connected to the side of the two fixing plates that are close to each other. A protective cover is rotatably connected to the arc surface of the rotating rod. An extension plate is fixedly connected to the surface of the protective cover. A round hole is opened on the surface of the extension plate. A square plate is fixedly connected to the surface of the water tank. A threaded rod is threaded into the square plate. The threaded rod is threaded to the inner wall of the round hole of the extension plate.

[0016] The effect achieved by the above-mentioned components is that by setting up a protective cover, dust, debris, powder from the production process, etc. are prevented from entering the water tank, thus avoiding these impurities from contaminating the water in the tank, which may clog the pipes and affect the normal operation of the equipment and product quality.

[0017] Preferably, the arc surface of the rotating rod is fitted with two torsion springs, and the two ends of the torsion springs are respectively fixedly connected to the fixing plate and the protective cover.

[0018] The aforementioned components achieve the following effect: through the force of the torsion spring, the protective cover is quickly and automatically opened and fixed at a certain angle, thus improving the convenience of the device.

[0019] 1. In this utility model, by setting a screening device, the crushed calcium carbonate powder is screened to prevent larger particles that do not meet the particle size requirements from passing through, so that the particle size of the final product is more uniform and meets the production standards. This avoids the impact of uneven particle size on the performance of calcium carbonate powder in different application fields, such as coatings and inks. Calcium carbonate powder with uniform particle size can make the product have better gloss and stability. It also prevents larger particles from entering subsequent conveying equipment, causing wear, blockage or jamming of the equipment, reducing the frequency of equipment failure, and ensuring the smooth operation of the production process.

[0020] 2. In this utility model, by setting up a dust suppression device, the effect of effectively reducing the flying of dust in the workshop and reducing the dust concentration in the air is achieved, so that the working environment meets the occupational health and safety standards, protects the health of workers, and avoids environmental pollution caused by excessive dust concentration. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the side structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the screening device in this utility model;

[0024] Figure 4 This is a partial structural diagram of the screening device in this utility model;

[0025] Figure 5 This is a partial structural diagram of the screening device in this utility model;

[0026] Figure 6 This is a schematic diagram of the dust suppression device in this utility model;

[0027] Figure 7 In this utility model Figure 6 Enlarged view of point A;

[0028] Figure 8 In this utility model Figure 6 Enlarged view of point C.

[0029] Legend: 1. Crusher; 2. Feed inlet; 3. Discharge outlet; 4. Screening device; 401. Long plate; 402. Filter hole; 403. Diverting plate; 404. First baffle; 405. Second baffle; 406. Cover plate; 407. Fixing frame; 408. Collection box; 409. Handle; 410. Irregularly shaped plate; 411. Rotating shaft; 412. Limiting plate; 413. L-shaped plate; 414. Fixing rod; 415. Pulling plate; 416. Spring; 417. Buffer pad; 5. Dust suppression device; 501. Water tank; 502. Water pump; 503. Water pipe; 504. Mist nozzle; 505. Fixing plate; 506. Rotating rod; 507. Protective cover; 508. Extension plate; 509. Square plate; 510. Threaded rod; 511. Torsion spring; 6. Support leg. Detailed Implementation

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, this utility model provides a technical solution: a raw material crushing device for the production of high-activity calcium carbonate powder, including a crusher 1, a feed inlet 2, a discharge outlet 3, and support legs 6. The inner wall of the feed inlet 2 is equipped with a screening device 4. By setting the screening device 4, the crushed calcium carbonate powder is screened, preventing larger particles that do not meet the particle size requirements from passing through, making the particle size of the final product more uniform and in line with production standards. This avoids the impact of uneven particle size on the performance of calcium carbonate powder in different application fields, such as coatings and inks. Uniformly sized calcium carbonate powder can give products better gloss and stability. It also prevents larger particles from entering subsequent conveying equipment, causing wear, blockage, or jamming of the equipment, reducing the frequency of equipment failure, and ensuring the smooth operation of the production process. The surface of the support legs 6 is equipped with a dust suppression device 5. By setting the dust suppression device 5, the dust in the workshop is effectively reduced, and the dust concentration in the air is lowered, making the working environment meet occupational health and safety standards, protecting the health of workers, and avoiding environmental pollution caused by excessive dust concentration.

[0031] The following section will describe in detail the specific setup and function of the screening device 4 and the dust suppression device 5.

[0032] Reference Figure 3 , Figure 4 and Figure 5As shown, in this embodiment: the screening device 4 includes a long plate 401, which is fixedly connected to the inner wall of the feed inlet 2. The surface of the long plate 401 has several filter holes 402. A guide plate 403 is fixedly connected to the surface of the feed inlet 2. A first baffle 404 and a second baffle 405 are fixedly connected to the surface of the guide plate 403. A baffle 406 is fixedly connected to the surface of the guide plate 403 and is fixedly connected to the surface of the discharge outlet 3. A fixing frame 407 is fixedly connected to one side of the guide plate 403. The inner side of the fixing frame 407... A collection box 408 is slidably connected to the wall. A handle 409 is fixedly connected to the surface of the collection box 408. Two irregularly shaped plates 410 are fixedly connected to the surface of the collection box 408. A rotating shaft 411 is fixedly connected to the inner wall of the irregularly shaped plate 410. A limit plate 412 is rotatably connected to the surface of the rotating shaft 411. An insertion hole is opened on the surface of the limit plate 412. L-shaped plates 413 are fixedly connected to both sides of the fixing frame 407. A fixing rod 414 is slidably inserted into the inner wall of the insertion hole of the limit plate 412. One end of the rod 414 is fixedly connected to a pull plate 415, which achieves the effect of centralized collection of larger calcium carbonate powder particles screened out, facilitating their return to the crusher 1 for further processing. This realizes the effective utilization of resources and efficient production cycle, reduces the amount of raw materials discarded due to unqualified particle size, and lowers the cost of raw material procurement. A spring 416 is sleeved on the arc surface of the fixed rod 414. The two ends of the spring 416 are fixedly connected to the pull plate 415 and the limiting plate 412, respectively. Under the force of the spring 416, the fixed rod 414 automatically springs back. The insertion into the limiting plate 412 hole improves the practicality of the device. The inner wall of the fixing frame 407 is fixedly connected to the buffer pad 417. The buffer pad 417 is serrated in shape. The surface of the buffer pad 417 is slidably connected to the collection box 408. The buffer pad 417 is made of rubber. By setting the buffer pad 417, the impact force on the bottom surface of the collection box 408 when the calcium carbonate powder falls is reduced, avoiding deformation, wear or cracks on the bottom surface of the collection box 408 caused by long-term impact, thereby extending the service life of the collection box 408.

[0033] Reference Figure 6 , Figure 7 and Figure 8As shown, specifically, the dust suppression device 5 includes a water tank 501, which is fixedly connected to the surface of the support leg 6. A water pump 502 is fixedly connected to the side wall of the water tank 501. The water inlet of the water pump 502 is connected to the water tank 501, and the water outlet of the water pump 502 is connected to a water pipe 503. One end of the water pipe 503 is connected to a mist nozzle 504. Fixing plates 505 are fixedly connected to both sides of the water tank 501. A rotating rod 506 is fixedly connected to the side of the two fixing plates 505 that are close to each other. A protective cover 507 is rotatably connected to the arc surface of the rotating rod 506. An extension plate 508 is fixedly connected to the surface of the protective cover 507. A circular hole is opened on the surface of the extension plate 508. A series of holes are fixedly connected to the surface of the water tank 501. A square plate 509 has a threaded rod 510 inserted into its internal thread. The threaded rod 510 is threadedly connected to the inner wall of the circular hole in the extension plate 508. By setting a protective cover 507, dust, debris, and powder from the production process are prevented from entering the water tank 501, thus avoiding contamination of the water in the tank 501 by these impurities, which could clog the pipes and affect the normal operation of the equipment and product quality. Two torsion springs 511 are fitted on the arc surface of the rotating rod 506. The two ends of the torsion springs 511 are fixedly connected to the fixed plate 505 and the protective cover 507, respectively. Under the force of the torsion springs 511, the protective cover 507 can be quickly and automatically opened and fixed at a certain angle, improving the convenience of the device.

[0034] Working principle: When the operator needs to sieve the calcium carbonate powder pulverized by the pulverizer 1, the collection box 408 is placed into the fixed frame 407, and then the handle 409 is pushed. The handle 409 will transmit the pushing force to the collection box 408, and then the collection box 408 will slide within the fixed frame 407 until it is completely slid into the fixed frame 407 and stops. Then, the pull plate 415 is pulled, and the pull plate 415 will drive the fixed rod 414 to slide within the L-shaped plate 413. At this time, the spring 416 will be in a stretched state. The limiting plate 412 rotates on the arc surface of the rotating shaft 411, stopping when the insertion hole of the limiting plate 412 is at the same horizontal position as the fixing rod 414. Then, the pull plate 415 is released, and the spring 416 will contract under tension, causing the fixing rod 414 to automatically spring back and insert into the insertion hole of the limiting plate 412, thus fixing the collection box 408. Then, the calcium carbonate powder to be crushed is put into the feed inlet 2 of the crusher 1 for crushing. The crushed calcium carbonate powder will fall onto the long plate 401. Particles of the correct size will fall from the filter holes 402 onto the discharge port 3, while larger particles will remain on the long plate 401. They will then slide down the long plate 401 onto the guide plate 403, where the first baffle 404, the second baffle 405, and the shield 406 prevent them from sliding out. Finally, they will slide from the guide plate 403 into the collection box 408. At this point, the buffer pad 417 reduces the impact of the falling calcium carbonate powder on the bottom of the collection box 408, thus completing the screening of the calcium carbonate powder. By setting up the screening device 4, the crushed calcium carbonate powder is effectively screened. The screening process effectively prevents larger particles that do not meet the particle size requirements from passing through, resulting in a more uniform particle size in the final product that meets production standards. This avoids the impact of uneven particle size on the performance of calcium carbonate powder in different application fields, such as coatings and inks. Uniformly sized calcium carbonate powder can give products better gloss and stability, and also prevents larger particles from entering subsequent conveying equipment, causing wear, blockage, or jamming, reducing the frequency of equipment failures and ensuring the smooth operation of the production process.

[0035] When the operator needs to use the dust suppression device 5, the threaded rod 510 is rotated, allowing it to rotate within the square plate 509 and then exit through the round hole in the extension plate 508. At this time, the torsion spring 511 releases the force under torsion, causing the protective cover 507 to rotate on the rotating rod 506 and automatically open, injecting water into the water tank 501. Then, the protective cover 507 is closed, and the water pump 502 is started. The water pump 502 draws the water from the water tank 501 into the water pipe 503 through the water inlet. The water flows along the water pipe 503 and is sprayed out from the mist nozzle 504. The sprayed water mist falls into the feed inlet 2 to suppress dust. By setting up the dust suppression device 5, the effect of effectively reducing dust in the workshop and lowering the dust concentration in the air is achieved, making the working environment meet occupational health and safety standards, protecting the health of workers, and avoiding environmental pollution caused by excessive dust concentration.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A raw material crushing device for producing high-activity calcium carbonate powder, comprising a crusher (1), a feed inlet (2), a discharge outlet (3), and support legs (6), characterized in that: The inner wall of the feed inlet (2) is provided with a screening device (4). The screening device (4) includes a long plate (401). The long plate (401) is fixedly connected to the inner wall of the feed inlet (2). The surface of the long plate (401) is provided with a plurality of filter holes (402). The surface of the feed inlet (2) is fixedly connected with a flow guide plate (403). The surface of the flow guide plate (403) is fixedly connected with a first baffle (404) and a second baffle (405). The surface of the flow guide plate (403) is fixedly connected with a baffle plate (406). The baffle plate (406) is fixedly connected to the surface of the discharge outlet (3).

2. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 1, characterized in that: A fixed frame (407) is fixedly connected to one side of the diversion plate (403). A collection box (408) is slidably connected to the inner wall of the fixed frame (407). A handle (409) is fixedly connected to the surface of the collection box (408). Two irregular plates (410) are fixedly connected to the surface of the collection box (408). A rotating shaft (411) is fixedly connected to the inner wall of the irregular plate (410). A limiting plate (412) is rotatably connected to the surface of the rotating shaft (411). An insertion hole is opened on the surface of the limiting plate (412). L-shaped plates (413) are fixedly connected to both sides of the fixed frame (407). A fixing rod (414) is slidably inserted into the inner wall of the insertion hole of the limiting plate (412). A pull plate (415) is fixedly connected to one end of the fixing rod (414).

3. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 2, characterized in that: The arc surface of the fixing rod (414) is fitted with a spring (416), and the two ends of the spring (416) are fixedly connected to the pull plate (415) and the limiting plate (412) respectively.

4. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 2, characterized in that: The inner wall of the fixed frame (407) is fixedly connected to a buffer pad (417), the buffer pad (417) is serrated, the surface of the buffer pad (417) is slidably connected to the collection box (408), and the buffer pad (417) is made of rubber.

5. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 1, characterized in that: The surface of the support leg (6) is provided with a dust suppression device (5). The dust suppression device (5) includes a water tank (501). The water tank (501) is fixedly connected to the surface of the support leg (6). A water pump (502) is fixedly connected to the side wall of the water tank (501). The water inlet of the water pump (502) is connected to the water tank (501). The water outlet of the water pump (502) is connected to a water pipe (503). One end of the water pipe (503) is connected to a mist nozzle (504).

6. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 5, characterized in that: Both sides of the water tank (501) are fixedly connected to a fixing plate (505). A rotating rod (506) is fixedly connected to the side of the two fixing plates (505) that are close to each other. A protective cover (507) is rotatably connected to the arc surface of the rotating rod (506). An extension plate (508) is fixedly connected to the surface of the protective cover (507). A round hole is opened on the surface of the extension plate (508). A square plate (509) is fixedly connected to the surface of the water tank (501). A threaded rod (510) is threadedly inserted into the square plate (509). The threaded rod (510) is threadedly connected to the inner wall of the round hole of the extension plate (508).

7. The raw material pulverizing device for producing high-activity calcium carbonate powder according to claim 6, characterized in that: The arc surface of the rotating rod (506) is fitted with two torsion springs (511), and the two ends of the torsion springs (511) are fixedly connected to the fixing plate (505) and the protective cover (507) respectively.

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