Grinding and screening device for cement processing

Abstract

The utility model relates to the technical field of cement processing, and discloses a grinding and screening device for cement processing, which comprises a base, a grinding box is arranged above the base, and a feed port is fixedly arranged in the middle of the top end of the grinding box. Firstly, materials are conveyed into a grinding box through a feeding port, the materials can be ground through cooperative use of a servo motor, first conical teeth, a grinding roller and second conical teeth, and then the materials can be ground through cooperative use of a fixing plate, a stand column, a sleeve plate, a second spring, a screening box, an inclined filter screen, a conveying pipe, a vibration motor and the like. According to the material grinding and screening device, materials can be screened, the material grinding and screening efficiency is high, the using effect is good, through cooperative use of telescopic rods, T-shaped scraping plates, first springs, sliding blocks and sliding grooves, the materials attached to the outer surfaces of the two grinding rollers can be scraped away, and good grinding machining of the two grinding rollers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cement processing, in particular to a grinding and screening device for cement processing. Background Art

[0002] Cement: Powdered hydraulic inorganic cementitious material. After adding water and stirring, it becomes a slurry. It can harden in the air or in water, and can firmly bind sand, stone and other materials together. The early mixture of lime and volcanic ash is very similar to the modern lime volcanic ash cement. It is used to bind concrete made of crushed stone. After hardening, it not only has high strength, but also can resist the erosion of fresh water or salt water. For a long time, it has been widely used as an important cementitious material in civil construction, water conservancy, national defense and other projects.

[0003] The existing grinding and screening device for cement processing has a low grinding and screening efficiency when in use, and the materials adhered to the grinding rollers during grinding are not convenient to clean in time, which affects the grinding effect. Therefore, the technical personnel in this field provide a grinding and screening device for cement processing to solve the problems raised in the above background technology. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a grinding and screening device for cement processing, which has the advantages of high grinding and screening efficiency, good use effect, etc., and solves the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding and screening device for cement processing, comprising: a base, a grinding box is arranged above the base, a feed port is fixedly arranged at the middle of the top of the grinding box, a grinding mechanism is arranged inside the grinding box, guide plates are fixedly arranged on both sides of the bottom of the grinding box, a telescopic tube is fixedly arranged at the middle of the bottom of the grinding box, and a screening mechanism is arranged below the telescopic tube;

[0008] The grinding mechanism includes: servo motors are fixedly arranged on both sides of the rear end wall of the grinding box, first conical teeth are fixedly arranged on the output ends of the two servo motors, grinding rollers are rotatably connected to the internal front end wall of the grinding box through bearings, the rear ends of the two grinding rollers are fixedly connected to two second conical teeth at the rear of the grinding box through shaft columns, a group of telescopic rods are fixedly arranged on both side walls of the inner part of the grinding box, T-shaped scrapers are fixedly arranged at the telescopic ends of the two groups of telescopic rods, first springs are arranged on the outside of the two groups of telescopic rods, sliders are fixedly arranged on the front and rear parts of the two T-shaped scrapers, and slide grooves are opened on both sides of the front and rear end walls of the inner part of the grinding box.

[0009] As a preferred technical solution of the utility model, the two servo motors rotate forward and reversely, and the two first conical teeth are meshed with the two second conical teeth.

[0010] As a preferred technical solution of the utility model, the two T-shaped scrapers are both located in the middle of one side of the two grinding rollers, and the two groups of sliding blocks are both slidably connected with the inside of the two groups of sliding grooves.

[0011] As the preferred technical scheme of the utility model, the screening mechanism includes: a fixed plate is fixedly provided in the middle of both side walls of the grinding box, columns are fixedly provided at the front and rear parts of the bottom ends of the two fixed plates, two groups of the columns are fixedly connected to the top of the base, the outsides of the two groups of the columns are socketed with the two sleeve plates, second springs are provided on the outsides of the two groups of the columns and below the two sleeve plates, the two sleeve plates are fixedly connected to the screening box, an inclined filter is fixedly provided on the upper part of the interior of the screening box, a group of material conveying pipes is provided above the right side wall of the screening box, a material guide plate is fixedly provided on the bottom end of the screening box, a group of material discharge pipes is provided below the rear end of the screening box, and vibration motors are fixedly provided on the top of the base and on both sides below the screening box.

[0012] As a preferred technical solution of the utility model, one end of the telescopic tube is connected to the interior of the screening box.

[0013] As a preferred technical solution of the utility model, the two sleeve plates are provided with through holes which are mutually compatible with the external sizes of the two groups of columns.

[0014] Compared with the prior art, the utility model provides a grinding and screening device for cement processing, which has the following beneficial effects:

[0015] The utility model is provided with a grinding mechanism and a screening mechanism. When in use, the material is first transported to the inside of the grinding box through the feed port. The material can be ground through the cooperation of the servo motor, the first conical teeth, the grinding roller and the second conical teeth. Then, the material can be screened through the cooperation of the fixed plate, the column, the sleeve plate, the second spring, the screening box, the inclined filter, the feed pipe and the vibration motor. The material grinding and screening efficiency is high and the use effect is good. The material adhered to the outer surfaces of the two grinding rollers can be scraped off through the cooperation of the telescopic rod, the T-shaped scraper, the first spring, the sliding block and the slide groove, which is convenient for better grinding processing of the two grinding rollers. The processing integration degree is high and the practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic diagram of the structure of the T-shaped scraper and the slider connected to the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model in which the screening box is connected to the inclined filter screen;

[0019] Figure 4 It is a structural schematic diagram of the connection between the screening box and the sleeve plate of the utility model.

[0020] Among them: 1. base; 2. grinding box; 3. feed port; 4. grinding mechanism; 401. servo motor; 402. first conical tooth; 403. grinding roller; 404. second conical tooth; 405. telescopic rod; 406. T-shaped scraper; 407. first spring; 408. slider; 409. slide; 5. guide plate; 6. telescopic tube; 7. screening mechanism; 701. fixed plate; 702. column; 703. sleeve plate; 704. second spring; 705. screening box; 706. inclined filter; 707. feed pipe; 708. guide plate; 709. discharge pipe; 710. vibration motor. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. 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] See also Figure 1-Figure 4A grinding and screening device for cement processing, comprising: a base 1, a grinding box 2 is arranged above the base 1, a feed port 3 is fixedly arranged at the middle of the top of the grinding box 2, a grinding mechanism 4 is arranged inside the grinding box 2, guide plates 5 are fixedly arranged on both sides of the bottom end of the grinding box 2, a telescopic tube 6 is fixedly arranged at the middle of the bottom end of the grinding box 2, and a screening mechanism 7 is arranged below the telescopic tube 6;

[0025] The grinding mechanism 4 includes: servo motors 401 are fixedly arranged on both sides of the rear end wall of the grinding box 2, and the output ends of the two servo motors 401 are fixedly arranged with first conical teeth 402, the inner front end wall of the grinding box 2 is rotatably connected with grinding rollers 403 through bearings, and the rear ends of the two grinding rollers 403 are fixedly connected to the two second conical teeth 404 at the rear of the grinding box 2 through shafts, and a group of telescopic rods 405 are fixedly arranged on both sides of the inner wall of the grinding box 2, and the telescopic ends of the two groups of telescopic rods 405 are fixedly arranged with T-shaped Scraper 406, the outside of the two sets of telescopic rods 405 are both provided with a first spring 407, the front and rear parts of the two T-shaped scrapers 406 are both fixedly provided with sliders 408, and both sides of the front and rear end walls inside the grinding box 2 are provided with slide grooves 409; the two servo motors 401 rotate forward and reverse, and the two first conical teeth 402 are meshed with the two second conical teeth 404; the two T-shaped scrapers 406 are both located in the middle of one side of the two grinding rollers 403, and the two sets of sliders 408 are both slidably connected with the inside of the two sets of slide grooves 409.

[0026] Furthermore, when in use, the material is first transported to the inside of the grinding box 2 through the feed port 3, and then the two servo motors 401 are started to rotate forward and reversely, and the two first conical teeth 402 are driven to drive the two second conical teeth 404 to rotate, so that the two grinding rollers 403 rotate to grind the material. While grinding, the two T-shaped scrapers 406 are stretched and matched by the elastic force of the two sets of telescopic rods 405 and the two sets of first springs 407, so that the two T-shaped scrapers 406 move, and at the same time, the two sets of sliders 408 slide inside the two sets of slide grooves 409, and the two T-shaped scrapers 406 are in contact with one side surface of the two grinding rollers 403. As the two grinding rollers 403 rotate, the materials adhering to their outer surfaces can be scraped off, which facilitates better grinding of the two grinding rollers 403.

[0027] The screening mechanism 7 includes: a fixed plate 701 is fixedly provided in the middle of both side walls of the grinding box 2, and columns 702 are fixedly provided at the front and rear parts of the bottom ends of the two fixed plates 701, and the two groups of columns 702 are fixedly connected to the top of the base 1, and the outsides of the two groups of columns 702 are sleeved with two sets of plates 703, and the outsides of the two groups of columns 702 and below the two sets of plates 703 are provided with second springs 704, and the two sets of plates 703 are fixedly connected to the screening box 705, and the upper part of the inner part of the screening box 705 is fixedly connected to the bottom of the two sets of plates 703. An inclined filter screen 706 is fixedly provided, a group of material conveying pipes 707 are arranged above the right side wall of the screening box 705, a material guide plate 708 is fixedly provided at the bottom end of the screening box 705, a group of material discharge pipes 709 are arranged below the rear end of the screening box 705, and vibration motors 710 are fixedly provided on both sides of the top of the base 1 and below the screening box 705; one end of the telescopic tube 6 is connected with the interior of the screening box 705; and through holes which are adapted to the external sizes of the two groups of columns 702 are opened on the two sets of plates 703.

[0028] Furthermore, the ground material falls onto the inclined filter screen 706 inside the screening box 705 through the telescopic tube 6, and at the same time, the two vibration motors 710 are started to drive the screening box 705 to vibrate up and down. At the same time, the two sets of plates 703 squeeze or stretch the two sets of second springs 704 outside the two sets of columns 702 to filter the material. The filtered fine material falls on the guide plate 708 and is output through a set of discharge pipes 709, and the filtered coarse material is output through a set of conveying pipes 707.

[0029] Working principle: When in use, firstly, the material is conveyed to the inside of the grinding box 2 through the feed port 3, and then the two servo motors 401 are started to rotate forward and reversely, and the two first conical teeth 402 are driven to drive the two second conical teeth 404 to rotate, so that the two grinding rollers 403 rotate to grind the material. While grinding, the two T-shaped scrapers 406 are stretched by the elastic force of the two sets of telescopic rods 405 and the two sets of first springs 407, so that the two T-shaped scrapers 406 move, and at the same time, the two sets of sliders 408 slide inside the two sets of slide grooves 409, and the two T-shaped scrapers 406 are against the surface of one side of the two grinding rollers 403. As the two grinding rollers 403 rotate, the materials adhering to the outer surface thereof can be scraped off, so as to facilitate better grinding of the two grinding rollers 403. The ground materials fall onto the inclined filter screen 706 inside the screening box 705 through the telescopic tube 6. At the same time, the two vibration motors 710 are started to drive the screening box 705 to vibrate up and down. At the same time, the two sets of plates 703 squeeze or stretch the two sets of second springs 704 outside the two sets of columns 702 to filter the materials. The filtered fine materials fall onto the guide plate 708 and are output through a set of discharge pipes 709. The filtered coarse materials are output through a set of conveying pipes 707.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding and screening device for cement processing, comprising: A base (1), characterized in that: a grinding box (2) is arranged above the base (1), a feed port (3) is fixedly arranged in the middle of the top of the grinding box (2), a grinding mechanism (4) is arranged inside the grinding box (2), guide plates (5) are fixedly arranged on both sides of the bottom of the grinding box (2), a telescopic tube (6) is fixedly arranged in the middle of the bottom of the grinding box (2), and a screening mechanism (7) is arranged below the telescopic tube (6); The grinding mechanism (4) comprises: servo motors (401) are fixedly arranged on both sides of the rear end wall of the grinding box (2); the output ends of the two servo motors (401) are fixedly arranged with first conical teeth (402); the internal front end wall of the grinding box (2) is rotatably connected to grinding rollers (403) via bearings; the rear ends of the two grinding rollers (403) are fixedly connected to two second conical teeth (404) at the rear of the grinding box (2) via shaft columns; a group of telescopic rods (405) are fixedly arranged on both side walls of the grinding box (2); the telescopic ends of the two groups of telescopic rods (405) are fixedly arranged with T-shaped scrapers (406); the outsides of the two groups of telescopic rods (405) are fixedly arranged with first springs (407); the front and rear parts of the two T-shaped scrapers (406) are fixedly arranged with sliders (408); and the front and rear end walls of the grinding box (2) are provided with sliding grooves (409) on both sides.

2. A grinding and screening device for cement processing according to claim 1, characterized in that: The two servo motors (401) rotate forward and reverse, and the two first conical teeth (402) are meshed with the two second conical teeth (404).

3. A grinding and screening device for cement processing according to claim 1, characterized in that: The two T-shaped scrapers (406) are both located in the middle of one side of the two grinding rollers (403), and the two groups of sliding blocks (408) are both slidably connected to the inside of the two groups of sliding grooves (409).

4. A grinding and screening device for cement processing according to claim 1, characterized in that: The screening mechanism (7) comprises: a fixing plate (701) is fixedly provided in the middle of both side walls of the grinding box (2); posts (702) are fixedly provided at the front and rear parts of the bottom ends of the two fixing plates (701); two groups of posts (702) are fixedly connected to the top end of the base (1); the outsides of the two groups of posts (702) are sleeved with two sleeve plates (703); second springs (704) are provided on the outsides of the two groups of posts (702) and below the two sleeve plates (703); the two sleeve plates (703) are provided with a plurality of springs (704); 703) are fixedly connected to the screening box (705), an inclined filter screen (706) is fixedly arranged on the upper part of the interior of the screening box (705), a group of material conveying pipes (707) are arranged on the upper part of the right side wall of the screening box (705), a material guide plate (708) is fixedly arranged at the bottom end of the screening box (705), a group of material discharge pipes (709) are arranged below the rear end of the screening box (705), and vibration motors (710) are fixedly arranged on both sides of the top of the base (1) and below the screening box (705).

5. A grinding and screening device for cement processing according to claim 4, characterized in that: One end of the telescopic tube (6) is connected to the interior of the screening box (705).

6. A grinding and screening device for cement processing according to claim 4, characterized in that: The two sets of plates (703) are both provided with through holes that are adapted to the external sizes of the two groups of columns (702).

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