CN218982220U - A multi-angle sieve with good screening effect - Google Patents

Abstract

The utility model relates to a polygonal screen with good screening effect, which comprises a screening base, wherein a screening box is fixedly arranged at the top of the screening base, a screening cylinder is arranged in the screening box in a rotating way, openings are formed in two ends of the screening cylinder, the cross section of the screening cylinder is of an equilateral polygon, one end opening of the screening cylinder is larger than the opening of the other end, the inner diameter of the screening cylinder is reduced from left to right at equal intervals, and a vibration component for improving the screening effect of the screening cylinder is arranged below the screening base; the screening cylinder is obliquely arranged in the screening box, one end of the screening cylinder with a larger opening is higher than one end with a smaller opening, and a plurality of polygonal side surfaces of the screening cylinder are provided with screens; the problems that in the prior art, materials are rotationally screened in a screening cylinder, but the materials which are adhered together are scattered in an unaddressed way, the adhered materials cannot be sufficiently screened in the screening cylinder only by virtue of rotation, the screening effect is poor, the screening efficiency is reduced and the like are solved.

Description

A multi-angle sieve with good screening effect

technical field

The utility model relates to the technical field of polygonal sieves, in particular to a polygonal sieve with good screening effect.

Background technique

The Chinese patent discloses a large-end feed polygonal screen (CN2405668Y), which consists of a frame, a bearing seat, a main shaft, a reducer, a screen cylinder, etc., and is characterized in that the feed port of the polygonal screen is arranged above the axis of the large end, and Make sure that the large end of the bottom edge of the screen drum is higher than the small end. The utility model makes full use of the characteristics of the multi-angle sieve, and the sieving area and utilization rate are obviously improved. Under the condition of maintaining the same productivity, feeding from the big end can carry out finer sieving, and the quality of molding sand can be improved. Improve the product quality of castings. The utility model can be widely used in various polygonal sieves.

In the above-mentioned patents, the materials are sieved by rotation in the sieve cylinder, but the materials that are bonded together cannot be broken up, and the bonded materials cannot be fully sieved in the sieve cylinder only by rotation, so that the screening effect is not good. Good, resulting in reduced screening efficiency.

In order to solve the above defects, a technical solution is now provided.

Utility model content

The purpose of the utility model is to provide a polygonal sieve with good screening effect.

The technical problems to be solved by the utility model are as follows:

In the prior art, the materials are sieved by rotation in the sieve cylinder, but the materials that are bonded together cannot be broken up, and the bonded materials cannot be fully sieved in the sieve cylinder only by rotation, so that the screening effect Poor, resulting in reduced screening efficiency.

The purpose of this utility model can be realized through the following technical solutions:

A polygonal screen with good screening effect, comprising a screening base, a screening box is fixedly arranged on the top of the screening base, a screening cylinder is arranged inside the screening box, and the screening cylinder is rotatably arranged in the screening box, Both ends of the screening cylinder are provided with openings and the section is an equilateral polygon. The opening at one end of the screening cylinder is larger than the opening at the other end, and the inner diameter of the screening cylinder decreases equidistantly from left to right. Vibration components to improve the screening effect of the screening cylinder;

The screening cylinder is installed obliquely in the screening box, and the end of the screening cylinder with a larger opening is higher than the end with a smaller opening. Screens are installed on several polygonal sides of the screening cylinder, and the inner surfaces of the screens are uniform. A plurality of guide plates are fixedly arranged, and the plurality of guide plates are obliquely arranged on the screen.

Further, both ends of the top of the screening base are fixed with positioning seats, and the heights of the two positioning seats are different. A rotating shaft is provided, a screening motor is fixed on the top end of the screening base, and the output end of the screening motor is fixed to the rotating shaft.

Further, the rotating shaft passes through the screening cylinder, and several connecting rods are fixedly arranged between both ends of the inner surface of the screening cylinder and the rotating shaft.

Further, the vibrating assembly includes two fixed plates symmetrically fixed on both sides of the screening base, a bottom plate is arranged under the screening base, a vibrating spring is fixed on the bottom of the fixing plate, and a support rod is fixed on the bottom end of the vibrating spring. The bottom end of the support rod is fixed to the bottom plate, the bottom of the screening base is fixed with a support plate, and the side surface of the support plate is fixed with a vibrating motor.

Further, the bottom of the screening box is fixedly provided with a dust removal port.

Further, one end of the screening box is fixedly provided with a feeding port, and one end of the feeding port passes through the screening box and is connected to the end of the screening cylinder with a larger opening.

The beneficial effects of the utility model:

In the utility model, the rotating shaft is driven by the screening motor to rotate, so as to cooperate with the connecting rod to drive the screening cylinder to rotate, so as to realize the screening of materials. The larger end is higher than the smaller end of the opening, so that the material enters the screening cylinder and rolls from top to bottom in order to improve the screening effect, and several guide plates are installed on the screen obliquely to guide the material so that The material is fully stirred to improve the mixing effect.

Through the setting of the vibrating component, the vibration of the vibrating motor is transmitted to the screening base through the support plate, and the material in the screening cylinder is driven to vibrate to improve the material screening effect, and the vibrating spring is used to improve the vibration effect of the screening base, further improving the material quality. Excellent screening effect; setting the screening box can avoid the large amount of dust and impurities generated during the screening process from affecting the working environment, and the dust removal port is used to discharge the dust or impurities during the screening process.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural side view of the screening cylinder of the present invention;

Fig. 3 is a schematic view of the inner structure of the screen of the present invention.

In the figure: 1. Screening base; 2. Screening box; 3. Screening cylinder; 4. Vibration assembly; 101. Positioning seat; 102. First bearing; 103. Second bearing; 104. Rotating shaft; 105. Screening motor; 201, dust removal port; 202, feed port; 301, screen mesh; 302, guide plate; 303, connecting rod; 401, bottom plate; 402, vibration spring; 403, support rod; 404, support plate; 405 , Vibration motor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-Fig. 3, the utility model provides a kind of technical scheme:

A polygonal sieve with good screening effect, comprising a screening base 1, a screening box 2 is fixedly arranged on the top of the screening base 1, a screening cylinder 3 is arranged inside the screening box 2, and the screening cylinder 3 is rotatably arranged on the screen In the sub-box 2, both ends of the screening cylinder 3 are provided with openings and the section is an equilateral polygon. The opening at one end of the screening cylinder 3 is larger than the opening at the other end, and the inner diameter of the screening cylinder 3 decreases equidistantly from left to right. The material is fed from the end with a larger opening of the screening cylinder 3 and unloaded from the end with a smaller opening. The vibrating assembly 4 for improving the screening effect of the screening cylinder 3 is arranged under the screening base 1 .

The screening cylinder 3 is arranged obliquely in the screening box 2, and the end of the screening cylinder 3 with a larger opening is higher than the end with a smaller opening, so that the material enters the screening cylinder 3 and rolls from top to bottom sequentially, improving the screening capacity. score effect.

Several polygonal sides of the screening cylinder 3 are equipped with screens 301, and the inner surfaces of the screens 301 are fixedly provided with several guide plates 302, and several guide plates 302 are obliquely arranged on the screen 301 for guiding materials. , so that the material is fully stirred and the mixing effect is improved.

Both ends of the top of the screening base 1 are fixed with a positioning seat 101, and the heights of the two positioning seats 101 are different. A rotating shaft 104 is arranged to rotate between them, and the rotating shaft 104 passes through the screening cylinder 3 , and several connecting rods 303 are fixedly arranged between both ends of the inner surface of the screening cylinder 3 and the rotating shaft 104 .

A screening motor 105 is fixed on the top end of the screening base 1 , and the output end of the screening motor 105 is fixed to the rotating shaft 104 . The rotating shaft 104 is driven to rotate by the screening motor 105, and the connecting rod 303 is used to drive the screening cylinder 3 to rotate, so as to realize the screening of materials.

The vibrating assembly 4 includes two fixed plates symmetrically fixed on both sides of the screening base 1, a bottom plate 401 is arranged below the screening base 1, a vibrating spring 402 is fixed on the bottom of the fixing plate, and the bottom end of the vibrating spring 402 gives the A support rod 403 is fixed, the bottom of the support rod 403 is fixed to the bottom plate 401 , the bottom of the screening base 1 is fixed with a support plate 404 , and the side surface of the support plate 404 is fixed with a vibrating motor 405 . Through the setting of the vibration assembly 4, the vibration of the vibration motor 405 is transmitted to the screening base 1 through the support plate 404, and the material in the screening cylinder 3 is driven to vibrate to improve the material screening effect, and the vibration spring 402 is used to improve the screening base 1. The vibration effect further improves the screening effect of materials.

The bottom of the screening box 2 is fixedly provided with a dust removal port 201, the screening case 2 can avoid a large amount of dust and impurities generated in the screening process from affecting the working environment, and the dust removal port 201 is used for dust or impurities in the screening process. discharge.

One end of the screening box 2 is fixedly provided with a feeding port 202 , and one end of the feeding port 202 runs through the screening box 2 and is connected to the end of the screening cylinder 3 with a larger opening.

working principle:

When the utility model is in use, the material is put into the screening cylinder 3 through the feed port 202, and the rotating shaft 104 is driven to rotate by the screening motor 105, thereby cooperating with the connecting rod 303 to drive the screening cylinder 3 to rotate, so as to realize the screening of the material The screening cylinder 3 is installed obliquely in the screening box 2, and the end of the screening cylinder 3 with a larger opening is higher than the end with a smaller opening, so that the material enters the screening cylinder 3 and rolls sequentially from top to bottom , to improve the effect of screening, and several guide plates 302 are arranged obliquely on the screen 301 to guide the materials so that the materials are fully stirred;

The vibration of the vibrating motor 405 passes through the support plate 404 to the screening base 1, driving the material in the screening cylinder 3 to vibrate to improve the material screening effect, and cooperate with the vibrating spring 402 to improve the vibration effect of the screening base 1, further improving the material quality. The screening effect, the dust removal port 201 is used to discharge the dust or impurities during the screening process.

An embodiment of the present utility model has been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (6)

1. a good polygonal sieve of screening effect, comprising screening base (1), is characterized in that, the top of described screening base (1) is fixedly provided with screening box (2), and screening box (2) A screening cylinder (3) is arranged inside, and the screening cylinder (3) is rotatably installed in the screening box (2). Both ends of the screening cylinder (3) are provided with openings and the cross section is equilateral polygon. The opening at one end of (3) is larger than the opening at the other end, and the inner diameter of the screening cylinder (3) decreases equidistantly from left to right, and the bottom of the screening base (1) is provided with a screen to improve the screening effect of the screening cylinder (3). Vibration assembly (4); The screening cylinder (3) is installed obliquely in the screening box (2), the end of the screening cylinder (3) with a large opening is higher than the end with a small opening, and several polygonal sides of the screening cylinder (3) are installed There is a screen (301), and the inner surface of the screen (301) is fixedly provided with several guide plates (302), and the several guide plates (302) are obliquely arranged on the screen (301). 2. The polygonal screen with good screening effect according to claim 1, characterized in that, the top two ends of the screening base (1) are fixed with positioning seats (101), two positioning seats (101 ) are different in height, the top of the positioning seat (101) is respectively fixed with a first bearing (102) and a second bearing (103), and a rotating shaft (104) is arranged between the first bearing (102) and the second bearing (103). ), the top end of the screening base (1) is fixed with a screening motor (105), and the output end of the screening motor (105) is fixed with the rotating shaft (104). 3. The polygonal sieve with good screening effect according to claim 2, characterized in that, the rotating shaft (104) passes through the screening cylinder (3), and the two ends of the inner surface of the screening cylinder (3) Several connecting rods (303) are fixedly arranged between each and the rotating shaft (104). 4. A polygonal sieve with good screening effect according to claim 1, characterized in that, the vibrating assembly (4) comprises two fixed plates symmetrically fixed on both sides of the screening base (1), and the screening The bottom of the base (1) is provided with a base plate (401), the bottom of the fixed plate is fixed with a vibration spring (402), the bottom end of the vibration spring (402) is fixed with a support rod (403), and the bottom end of the support rod (403) is connected to the The bottom plate (401) is fixed, the bottom of the screening base (1) is fixed with a support plate (404), and the side surface of the support plate (404) is fixed with a vibration motor (405). The polygonal sieve with good screening effect according to claim 1, characterized in that, the bottom of the screening box (2) is fixedly provided with a dust removal port (201). 6. A polygonal sieve with good screening effect according to claim 1, characterized in that, one end of the screening box (2) is fixedly provided with a feed port (202), and one end of the feed port (202) runs through The screening box (2) is connected with the larger end of the screening cylinder (3).

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