Screening device for calcium carbonate powder production

Abstract

The utility model discloses a screening device for calcium carbonate powder production, and belongs to the technical field of calcium carbonate powder production. The screening device comprises a support, connecting rods, screening boxes, screening assemblies and a handle assembly, the screening boxes are installed on the two sides of the support through the connecting rods, three sets of installing plates are arranged on the inner side wall of each screening box, the screening assemblies are arranged on the three sets of installing plates, each screening assembly comprises an installing frame, and four inserting grooves are formed in the two sides of the inner wall of each installing frame. A screen is clamped to the mounting frame, four clamping grooves are formed in each of the two sides of the screen, the handle assembly is clamped in the clamping grooves and comprises a connecting rod, supporting rods are installed on the two sides of the bottom of the connecting rod respectively, and clamping blocks are arranged at the bottom ends of the supporting rods. Through the cooperation of the screening assembly and the handle assembly, the screen can be quickly and independently taken out for cleaning work, the cleaning time can be shortened, the cleaning efficiency can be improved, impurities and dirt on the screen can be more thoroughly removed by independently cleaning the screen, and the cleaning effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium carbonate powder production, in particular to a screening device for calcium carbonate powder production. Background Art

[0002] The screening device is an important equipment used in the production process of calcium carbonate powder. Calcium carbonate powder is an important inorganic chemical product, widely used in plastics, coatings, medicine, food and other fields. The screening device can screen and separate calcium carbonate powder according to different particle sizes to meet different application requirements, so as to achieve efficient production and refined processing of calcium carbonate powder.

[0003] The existing screening device has a fixed screen and matching component structure, which makes it inconvenient to quickly take out the screen separately for cleaning. Therefore, the entire screening device needs to be disassembled for cleaning, which increases the difficulty and time of cleaning, and cannot completely clean every corner of the screen, which will lead to poor cleaning effect and affect the screening effect. Utility Model Content

[0004] The purpose of the utility model is to provide a screening device for calcium carbonate powder production. Through the cooperation of the screening component and the handle component, the screen can be quickly taken out separately for cleaning, which can reduce cleaning time and improve cleaning efficiency.

[0005] The utility model is realized through the following technical solutions:

[0006] The utility model discloses a screening device for producing calcium carbonate powder, comprising a bracket, a connecting rod and a screening box. The screening boxes are installed on both sides of the bracket through the connecting rods. One side of the top of the screening box is connected to a feed hopper. The other side of the top of the screening box is hingedly provided with a cover plate. One side of the bottom of the screening box is provided with a driver. The bottom of the screening box is connected to a first discharge pipe, a second discharge pipe, a third discharge pipe and a fourth discharge pipe in sequence.

[0007] It also includes a screening assembly and a handle assembly. Three groups of mounting plates are provided on the inner wall of the screening box, and the three groups of mounting plates are provided with screening assemblies. The screening assembly includes a mounting frame. Four slots are provided on both sides of the inner wall of the mounting frame. A screen is clamped on the mounting frame, and four slots are provided on both sides of the screen. The handle assembly is clamped in the slot. The handle assembly includes a connecting rod. Support rods are respectively installed on both sides of the bottom of the connecting rod. A card block is provided at the bottom end of the support rod. An adjusting screw is threadedly connected to the middle part of the connecting rod, and the thread at the bottom end of the adjusting screw passes through the screen and is threadedly connected to the mounting frame.

[0008] Furthermore, three groups of mounting plates are sequentially arranged on the inner wall of the screening box, and the three groups of mounting plates and the three screening components are respectively combined to form three screening surfaces distributed up and down. The first discharge pipe, the second discharge pipe and the third discharge pipe are sequentially arranged and connected on one side of the three screening surfaces, and the fourth discharge pipe is located below the lowest screening surface.

[0009] Furthermore, the installation frame is in the shape of a rectangular parallelepiped frame with upper and lower ends opened, and an inner wall of the lower port of the installation frame is provided with a surrounding extension end, and the bottom surface of the screen is arranged to abut against the top surface of the extension end.

[0010] Furthermore, the card block is in the shape of a "convex" character, and the extended ends on both sides of the card block are respectively set in abutment with the slot and the inner wall of the slot. The positions of the slot and the card slot correspond to each other, and an extended slot is opened on the inner wall of the slot. The shape and size of the slot match the shape and size of the extended end, and the upper port opening size of the slot is larger than the bottom end size of the card block.

[0011] Furthermore, threaded holes are provided through corresponding positions of the screen and the mounting frame, the connecting rod is threadedly connected to the screen through an adjusting screw, and the bottom surface of the clamping block is abutted against the bottom surface of the inner wall of the clamping slot.

[0012] The utility model has the following beneficial effects:

[0013] The utility model cooperates with the screening component and the handle component, and the screen can be quickly taken out separately for cleaning, which can reduce cleaning time and improve cleaning efficiency. Cleaning the screen separately can more thoroughly remove impurities and dirt on the screen, ensure the cleaning effect, reduce the wear and corrosion of the screen, and extend the service life of the screen.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the screening device;

[0016] Figure 2 Schematic diagram of the internal structure of the screening device;

[0017] Figure 3 It is a schematic diagram of the exploded structure of the screening assembly and the handle assembly;

[0018] Figure 4 It is a structural diagram of the screening component.

[0019] In the figure: 1. Bracket; 2. Connecting rod; 3. Screening box; 4. Feed hopper; 5. Drive; 6. Screening assembly; 601. Mounting frame; 602. Slot; 603. Screen; 604. Card slot; 7. Handle assembly; 701. Connecting rod; 702. Support rod; 703. Block; 704. Adjusting screw; 8. First discharge pipe; 9. Second discharge pipe; 10. Third discharge pipe; 11. Fourth discharge pipe; 12. Cover plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a technical solution: a screening device for producing calcium carbonate powder, comprising a bracket 1, a connecting rod 2 and a screening box 3. Screening boxes 3 are installed on both sides of the bracket 1 through connecting rods 2. One side of the top of the screening box 3 is connected to the feed hopper 4. A cover plate 12 is hingedly provided on the other side of the top of the screening box 3. The screening box 3 can be opened when needed to perform operations such as cleaning, maintenance or replacement of the screening component 6. A driver 5 is installed on one side of the bottom of the screening box 3. The bottom of the screening box 3 is sequentially connected to a first discharge pipe 8, a second discharge pipe 9, a third discharge pipe 10 and a fourth discharge pipe 11. Three groups of mounting plates are provided on the inner side wall of the screening box 3. Screening components 6 are provided on all three groups of mounting plates. The setting of the screening component 6 can replace screens with different apertures as needed. Net 603, in order to realize the separation of calcium carbonate powder of different particle sizes, three groups of mounting plates are sequentially arranged on the inner wall of the screening box 3, and the three groups of mounting plates and the three screening components 6 are respectively combined to form three screening surfaces distributed up and down, and the first discharge pipe 8, the second discharge pipe 9 and the third discharge pipe 10 are sequentially arranged and connected on one side of the three screening surfaces, and the fourth discharge pipe 11 is located below the lowest screening surface. The calcium carbonate powder gradually falls in the screening box 3 by gravity, and is screened by different screening surfaces and finally discharged from the first discharge pipe 8, the second discharge pipe 9, the third discharge pipe 10 and the fourth discharge pipe 11 respectively, for discharging calcium carbonate powder of different particle sizes. The fourth discharge pipe 11 is located below the lowest screening surface for discharging the last calcium carbonate powder.

[0022] When the screening device is used, calcium carbonate powder enters the screening box 3 through the feed hopper 4. Under the action of the driver 5, the screening assembly 6 starts to vibrate. The calcium carbonate powder is gradually separated into particles of different sizes under the action of the screening surface and discharged through the corresponding discharge pipes, thereby achieving rapid and efficient screening of calcium carbonate powder, improving production efficiency and product quality.

[0023] The screening assembly 6 includes a mounting frame 601, four slots 602 are provided on both sides of the inner wall of the mounting frame 601, a screen 603 is clamped on the mounting frame 601, the mounting frame 601 is in the shape of a rectangular frame with openings at both ends, a surrounding extension end is provided on the inner wall of the lower port of the mounting frame 601, the bottom surface of the screen 603 is set in contact with the top surface of the extension end, four slots 604 are provided on both sides of the screen 603, the handle assembly 7 is clamped in the slot 604, the handle assembly 7 includes a connecting rod 701, support rods 702 are respectively installed on both sides of the bottom of the connecting rod 701, a card block 703 is provided at the bottom of the support rod 702, the card block 703 is in the shape of a "convex" character, and the extension ends on both sides of the card block 703 are divided into The slot 602 and the slot 604 are respectively provided with a conflicting inner wall, and the slot 602 and the slot 604 are positioned correspondingly. An extended notch is provided on the inner wall of the slot 604. The shape and size of the notch match the shape and size of the extended end. The upper port opening size of the slot 604 is larger than the bottom end size of the block 703. An adjusting screw 704 is threadedly connected to the middle part of the connecting rod 701. The bottom end of the adjusting screw 704 passes through the screen 603 and is threadedly connected to the mounting frame 601. Threaded holes are provided at corresponding positions of the screen 603 and the mounting frame 601. The connecting rod 701 is threadedly connected to the screen 603 through the adjusting screw 704. The bottom surface of the block 703 is conflicted with the bottom surface of the inner wall of the slot 604.

[0024] The method of using the present invention is that a screening device for producing calcium carbonate powder works as follows when in use: the screening component 6 and the handle component 7 cooperate, and the handle component 7 is used to conveniently remove or install the screen 603 from the installation frame 601, and the position of the handle component 7 is fixed by adjusting the screw 704. By rotating the adjusting screw 704, the handle component 7 can be adjusted so that the block 703 can move left and right in the slot 604, and the extended end on one side of the block 703 is removed from the slot 602, and the extended end on the other side of the block 703 is snapped into the notch opened on the inner wall of the slot 604, so that the screen 603 can be quickly taken out of the installation frame 601 for cleaning, thereby improving work efficiency and cleaning effect. Cleaning the screen 603 alone can more thoroughly remove impurities and dirt on the screen 603, ensure the cleaning effect, and reduce the wear and corrosion of the screen 603, thereby extending the service life of the screen 603.

[0025] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A screening device for producing calcium carbonate powder, comprising a bracket (1), a connecting rod (2) and a screening box (3), characterized in that: A screening box (3) is installed on both sides of the bracket (1) through a connecting rod (2); one side of the top of the screening box (3) is connected to the feed hopper (4); the other side of the top of the screening box (3) is hingedly provided with a cover plate (12); one side of the bottom of the screening box (3) is installed with a driver (5); and the bottom of the screening box (3) is sequentially connected with a first discharge pipe (8), a second discharge pipe (9), a third discharge pipe (10) and a fourth discharge pipe (11); The invention also includes a screening assembly (6) and a handle assembly (7). The inner wall of the screening box (3) is provided with three groups of mounting plates, and the three groups of mounting plates are provided with a screening assembly (6). The screening assembly (6) includes a mounting frame (601), and four slots (602) are provided on both sides of the inner wall of the mounting frame (601). A screen (603) is provided on the mounting frame (601), and four slots (604) are provided on both sides of the screen (603). The handle assembly (7) is clamped and arranged in the clamping groove (604), and the handle assembly (7) includes a connecting rod (701). Support rods (702) are respectively installed on both sides of the bottom of the connecting rod (701), and a clamping block (703) is provided at the bottom end of the support rod (702). The middle part of the connecting rod (701) is threadedly connected to an adjusting screw (704), and the bottom end of the adjusting screw (704) is threadedly connected to the screen (603) and is threadedly connected to the installation frame (601).

2. A screening device for producing calcium carbonate powder according to claim 1, characterized in that: The three groups of mounting plates are sequentially arranged on the inner side wall of the screening box (3) in upper and lower order. The three groups of mounting plates and the three screening assemblies (6) are respectively combined to form three screening surfaces distributed up and down. The first discharge pipe (8), the second discharge pipe (9) and the third discharge pipe (10) are sequentially arranged and connected on one side of the three screening surfaces. The fourth discharge pipe (11) is located below the lowest screening surface.

3. A screening device for producing calcium carbonate powder according to claim 1, characterized in that: The installation frame (601) is in the shape of a rectangular parallelepiped frame with upper and lower ends open. The inner wall of the lower end of the installation frame (601) is provided with a surrounding extension end, and the bottom surface of the screen (603) is arranged to abut against the top surface of the extension end.

4. A screening device for producing calcium carbonate powder according to claim 3, characterized in that: The card block (703) is in a "convex" shape, and the extended ends on both sides of the card block (703) are respectively arranged to abut against the inner side walls of the slot (602) and the card slot (604), and the positions of the slot (602) and the card slot (604) correspond to each other. The inner side wall of the card slot (604) is provided with an extended notch, and the shape and size of the notch match the shape and size of the extended end. The upper port opening size of the card slot (604) is larger than the bottom end size of the card block (703).

5. A screening device for producing calcium carbonate powder according to claim 4, characterized in that: Threaded holes are provided through corresponding positions of the screen (603) and the mounting frame (601); the connecting rod (701) is threadedly connected to the screen (603) via an adjusting screw (704); and the bottom surface of the clamping block (703) is in contact with the bottom surface of the inner wall of the clamping slot (604).

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