CN219702649U - Screening device for zirconia abrasive - Google Patents

Abstract

The utility model relates to the technical field of abrasive screening, in particular to a zirconia abrasive screening device, which comprises a screening box, wherein the top of the screening box is provided with a feeding bin, an upper screening mechanism and a lower screening mechanism are respectively arranged in the screening box in a mirror image mode, the upper screening mechanism comprises a first screen plate, a second screen plate and a vibrating mechanism positioned between the first screen plate and the second screen plate, the inner walls of the two sides of the screening box are respectively provided with a first connecting plate and a second connecting plate, and compression springs are respectively fixedly connected between each first connecting plate and the first screen plate and between the second connecting plate and the second screen plate; the vibrating mechanism comprises a rotating rod and an eccentric wheel, one end of the rotating rod is rotationally connected with one side inner wall of the screening box, the other end of the rotating rod is rotationally extended out of the screening box and is coaxially connected with a driving mechanism, and a discharge hole is formed in the bottom of the screening box. The utility model has the advantages of good screening effect, simple structure and convenient use.

Description

Screening device for zirconia abrasive

Technical Field

The utility model relates to the technical field of abrasive screening, in particular to a zirconia abrasive screening device.

Background

The abrasive is a sharp and hard material for grinding the surface of a softer material, the abrasive is classified into a natural abrasive and a man-made abrasive, the abrasive is classified into a superhard abrasive and a common abrasive according to hardness, the range of the abrasive is wide, and the zirconia has excellent performances of non-magnetism, non-conductivity and wear resistance, and can be used for manufacturing medical appliances and cutter tools; zirconia has high hardness and excellent wear resistance, and is widely used for manufacturing cold forming tools, cutting tools, grinding and grinding members, etc. In the production and processing of zirconia abrasive, the abrasive meeting the specification and the size is required to be obtained through screening, and the traditional zirconia abrasive screening device generally carries out secondary or multiple screening through a screen plate, so that the defects of complex structural design and large occupied area of equipment are overcome; in addition, the grinding materials are finer in the screening process, so that the screening is incomplete due to easy accumulation.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme.

The screening device for zirconia abrasive materials comprises a screening box, wherein a feeding bin is arranged at the top of the screening box, an upper screening mechanism and a lower screening mechanism are respectively arranged in the screening box, the upper screening mechanism and the lower screening mechanism are arranged in a mirror image mode, the upper screening mechanism comprises a first screen plate, a second screen plate and a vibrating mechanism positioned between the first screen plate and the second screen plate, a first connecting plate and a second connecting plate are correspondingly arranged above the first screen plate and below the second screen plate on the inner walls of two sides of the screening box respectively, and compression springs are fixedly connected between each first connecting plate and the first screen plate and between each second connecting plate and between each second screen plate respectively;

the vibrating mechanism comprises a rotating rod arranged between the first sieve plate and the second sieve plate, one end of the rotating rod is rotationally connected with one side inner wall of the screening box, the other end of the rotating rod is rotationally extended out of the screening box and is coaxially connected with a driving mechanism, eccentric wheels are respectively arranged at two ends of the rotating rod, and a discharge hole is formed in the bottom of the screening box.

Preferably, a guide rod is fixed between the first connecting plate of the upper screening mechanism and the first connecting plate of the lower screening mechanism, and two ends of the first screen plate and the second screen plate in the upper screening mechanism and the lower screening mechanism are respectively and slidably arranged on the guide rod in a penetrating manner.

Preferably, the top of the eccentric is in contact with the bottom of the first screen plate and the bottom is in contact with the top of the second screen plate.

Preferably, mesh openings are respectively formed in the middle positions of the first screen plate and the second screen plate, and the apertures of the four layers of mesh openings are sequentially reduced from top to bottom.

Preferably, a sealing door is hinged to the front side surface of the screening box.

Preferably, inclined collecting plates are respectively arranged at two ends of the bottom in the screening box, which are positioned at the discharge hole.

Preferably, a plurality of buffer plates are staggered on the inner wall of the feeding bin, and gaps for materials to pass through are reserved between the adjacent buffer plates.

The utility model has the beneficial effects that:

the utility model is provided with two groups of screening mechanisms, namely an upper screening mechanism and a lower screening mechanism, four screening plates in total, a rotating rod is arranged between each first screening plate and each second screening plate, eccentric wheels are fixedly arranged on the rotating rods, a driving motor drives a transmission mechanism to enable the eccentric wheels on the two rotating rods to rotate simultaneously, the first screening plate and the second screening plate are driven to move upwards, and the four screening plates simultaneously generate vibration by utilizing the elastic action of compression springs, so that the grinding materials are sequentially classified from top to bottom to perform vibration screening.

The utility model is provided with a plurality of buffer plates in the bin for buffering the falling abrasive, so that the abrasive is prevented from directly falling onto the first screen plate and impacting the first screen plate, thereby playing a role in protecting the first screen plate, and preventing the abrasive from accumulating on the first screen plate, which results in incomplete screening and influences on screening effect.

Drawings

FIG. 1 is a schematic overall construction of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

the reference numerals in the figures are: 1 feeding bin, 2 screening boxes, 3 sealing doors, 4 handles, 5 driving motors, 6 buffer plates, 7 first connecting plates, 8 compression springs, 9 eccentric wheels, 10 rotating rods, 11 guide rods, 12 first sieve plates, 13 second sieve plates, 14 second connecting plates, 15 meshes, 16 collecting plates and 17 discharge ports.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples

The utility model provides a sieving mechanism of zirconia abrasive material, as shown in fig. 1 through 2, includes screening case 2, has sealed door 3 at the leading flank of screening case 2 articulates, establishes handle 4 on sealed door 3, is convenient for open sealed door 3 and clear up the abrasive material that goes down of remaining non-screening on four sieve. A feeding bin 1 is arranged at the top of the screening box 2, and a cover plate can be arranged at the top of the feeding bin 1 in order to prevent external impurities and dust from entering the feeding bin 1 and affecting the production quality of the abrasive; in order to prevent the abrasive from directly falling on the first screen plate 12 and causing impact on the first screen plate 12, a plurality of buffer plates 6 are alternately arranged on the inner wall of the feeding bin 1, and gaps for materials to pass through are reserved between the adjacent buffer plates 6. The provision of a plurality of buffer plates 6 also prevents the accumulation of abrasive materials, resulting in the problem of incomplete screening.

Two upper screening mechanisms and lower screening mechanisms with the same structure are respectively arranged in the screening box 2, the upper screening mechanisms and the lower screening mechanisms are arranged in a mirror image mode, the upper screening mechanisms comprise a first screen plate 12, a second screen plate 13 and vibrating mechanisms positioned between the first screen plate 12 and the second screen plate 13, a first connecting plate 7 and a second connecting plate 14 are respectively and correspondingly arranged above the first screen plate 12 and below the second screen plate 13 on the inner walls of two sides of the screening box 2, and compression springs 8 are respectively and fixedly connected between each first connecting plate 7 and the first screen plate 12 and between each second connecting plate 14 and the second screen plate 13; the setting of four sieve in last screening mechanism and the lower screening mechanism can carry out four times screening to the abrasive material, when the abrasive material needs screening many times, four sieve can work simultaneously and screen the abrasive material, improves the work efficiency of equipment greatly.

The vibrating mechanism comprises a rotating rod 10 arranged between a first sieve plate 12 and a second sieve plate 13, one end of the rotating rod 10 is rotationally connected with one side inner wall of a screening box 2, the other end of the rotating rod is rotationally extended out of the screening box 2 and is coaxially connected with a driving mechanism, the driving mechanism can be a driving motor 5, a transmission mechanism can also be arranged on the rotating rod 10 of the upper screening mechanism and the lower screening mechanism, the transmission mechanism can be a belt pulley respectively arranged on the two rotating rods 10, the two belt pulleys are connected with a transmission belt to realize the transmission connection of the two belt pulleys, two ends of the rotating rod 10 are respectively provided with an eccentric wheel 9, the top of the eccentric wheel 9 is contacted with the bottom of the first sieve plate 12, and the bottom of the eccentric wheel is contacted with the top of the second sieve plate 13.

The rotation of the eccentric wheel 9 vibrates the top of the first sieve plate 12 and the second sieve plate 13, and the compression springs 8 are matched to enable the two first sieve plates 12 and the two second sieve plates 13 to vibrate simultaneously to screen the abrasive, so that the mesh 15 can be prevented from being blocked while vibrating, and the screening efficiency of the abrasive is improved.

The mesh openings 15 are respectively arranged at the middle positions of the first screen plate 12 and the second screen plate 13, and the apertures of the four layers of mesh openings 15 are sequentially reduced from top to bottom. The four screen plates may be capable of classifying the abrasive according to the size of the diameter of the mesh 15 when vibrating.

A guide rod 11 is fixed between the first connecting plate 7 of the upper screening mechanism and the first connecting plate 7 of the lower screening mechanism, and two ends of a first screen plate 12 and a second screen plate 13 in the upper screening mechanism and the lower screening mechanism are respectively and slidably arranged on the guide rod 11 in a penetrating way. The guide rods 11 can limit the two first screen plates 12 and the two second screen plates 13 in the front-back direction and the left-right direction, so that the four screen plates can only vibrate in the up-down direction.

A discharge hole 17 is arranged at the bottom of the screening box 2. Inclined collecting plates 16 are respectively arranged at two ends of the bottom in the screening box 2, which are positioned at the discharge hole 17. The collecting plate 16 is convenient for collecting the screened abrasive materials and discharging.

The working mode of the utility model is as follows: during the use, add the abrasive material to screening case 2 through feeding storehouse 1, during the abrasive material adds, buffer board 6 in through feeding storehouse 1 buffers the abrasive material that drops, prevent that the abrasive material from directly falling from producing great impact to first sieve 12, and can also prevent that the abrasive material from piling up on first sieve 12, cause screening incompletely, start driving motor 5, drive through the power transmission mechanism and go up screening mechanism and two bull sticks 10 rotation in the lower screening mechanism, thereby four eccentric wheels 9 rotate, make first sieve 12 and second sieve 13 that set up from top to bottom in the last screening mechanism and first sieve 12 and second sieve 13 in the lower screening mechanism make the back and forth move, cooperate compression spring 8 again, make four sieves vibrate simultaneously and sieve work, make abrasive material top-down pass through four simultaneously to abrasive material screening in proper order, there is 17 to go on the unloading from the discharge gate after the screening is accomplished, thereby accomplish screening work, open sealing door 3 can clear up remaining abrasive material on four sieves and collect.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a screening device of zirconia abrasive material, includes screening case (2) the top of screening case (2) is equipped with feeding storehouse (1), its characterized in that screening case (2) are equipped with screening mechanism and lower screening mechanism respectively, go up screening mechanism and lower screening mechanism mirror image setting, go up screening mechanism and include first sieve (12), second sieve (13) and lie in vibration mechanism between first sieve (12) and second sieve (13) be equipped with first connecting plate (7) and second connecting plate (14) respectively corresponding below being located first sieve (12) on the both sides inner wall of screening case (2), be connected with compression spring (8) respectively between every first connecting plate (7) and first sieve (12) and between second connecting plate (14) and second sieve (13);

the vibrating mechanism comprises a rotating rod (10) arranged between a first sieve plate (12) and a second sieve plate (13), one end of the rotating rod (10) is rotationally connected with one side inner wall of the screening box (2), the other end of the rotating rod is rotationally extended out of the screening box (2) and is coaxially connected with a driving mechanism, two ends of the rotating rod (10) are respectively provided with an eccentric wheel (9), and a discharge hole (17) is formed in the bottom of the screening box (2).

2. The zirconia abrasive screening apparatus according to claim 1, wherein: a guide rod (11) is fixed between the first connecting plate (7) of the upper screening mechanism and the first connecting plate (7) of the lower screening mechanism, and two ends of a first screen plate (12) and a second screen plate (13) in the upper screening mechanism and the lower screening mechanism are respectively and slidably arranged on the guide rod (11).

3. The zirconia abrasive screening apparatus according to claim 1 or 2, wherein: the top of the eccentric wheel (9) is contacted with the bottom of the first sieve plate (12), and the bottom of the eccentric wheel is contacted with the top of the second sieve plate (13).

4. A zirconia abrasive screening apparatus according to claim 3, wherein: mesh openings (15) are respectively formed in the middle positions of the first sieve plate (12) and the second sieve plate (13), and the apertures of the four layers of mesh openings (15) are sequentially reduced from top to bottom.

5. A zirconia abrasive screening apparatus according to claim 3, wherein: the front side surface of the screening box (2) is hinged with a sealing door (3).

6. The zirconia abrasive screening apparatus according to claim 1, wherein: inclined collecting plates (16) are respectively arranged at two ends of the bottom in the screening box (2) at the discharge hole (17).

7. The zirconia abrasive screening apparatus according to claim 1, wherein: a plurality of buffer plates (6) are arranged on the inner wall of the feeding bin (1) in a staggered mode, and gaps for materials to pass through are reserved between the adjacent buffer plates (6).