Small swing experiment sieve

Abstract

The utility model relates to the technical field of swinging sieves, and discloses a small swinging experiment sieve which comprises a supporting frame and a sieve body hung in the middle of the supporting frame, the sieve body is obliquely arranged in the supporting frame, a polypropylene rod is arranged in the supporting frame and connected with the side face of the sieve body through an installation piece, and the installation piece is arranged on the sieve body. A plurality of screening cavities are formed in the screen body, and a vibration motor is arranged on the side face of the screen body; compared with a traditional large swinging screen, the swinging screen is reduced in equal proportion and can be applied to screening work in a laboratory; the polypropylene rods are adopted to pull the screen body, compared with traditional universal shaft hoisting, the polypropylene rods have good bending fatigue resistance and can bear folding and bending without being damaged, meanwhile, the difference between longitudinal tensile strength and transverse tensile strength of polypropylene is very large, and good fiber forming performance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of swing screens, in particular to a small swing test screen. Background Art

[0002] The Square Swing Screen series is a highly efficient screening device designed to meet the needs of users with high production volumes and high precision. It is widely used in a variety of industries, including chemical, metallurgy, mining, feed, and food. It is particularly suitable for heavy alkali, salt, resin, compound fertilizer, large and small granular urea, feed, reduced iron powder, zirconium oxide, ceramsite, barite, etc.

[0003] After searching, a double-feed port square rocking screen disclosed in application number 202320314805.8 disclosed a double-feed port square rocking screen, including a square rocking screen body and a support frame, the square rocking screen body is installed and fixed in the middle of the interior of the support frame, a universal shaft is provided at the connection between the square rocking screen body and the support frame, the front end of the square rocking screen body is provided with a front side discharge cover, the lower end of the front side discharge cover is provided with a corrugated discharge pipe, the upper end of the square rocking screen body is provided with an inspection panel, the outside of the inspection panel is provided with an observation window, and the outside of the observation window is provided with a feed port anti-blocking pipe. The double-feed port square rocking screen disclosed in the utility model has dual ports for conveying materials, thereby improving the overall conveying efficiency, and effectively rotates to prevent blocking during conveying, so as to effectively ensure the technical effect of the overall conveying;

[0004] However, the above method still has the following defects in actual use: the traditional rocking screen is large in size and is not suitable for laboratory screening, and the universal shaft is used to hoist the square rocking screen body, but long-term use can easily cause wear of the universal shaft, which requires regular inspection and replacement. Utility Model Content

[0005] The utility model aims to provide a small swing test sieve, which has the effects of small size and convenient use in laboratories.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: a small swing test screen, comprising a support frame and a sieve body hoisted in the middle thereof, the sieve body being arranged obliquely inside the support frame, a polypropylene rod being provided inside the support frame, and the polypropylene rod being connected to the side of the sieve body through a mounting piece, a screening cavity being provided inside the sieve body, a plurality of sieve plates being slidingly provided inside the sieve cavity, a plurality of sieve holes being provided on the surface of the sieve plate, and the diameter of the sieve holes decreasing sequentially from top to bottom, a slide seat being fixedly provided on the side wall of the sieve cavity for sliding cooperation with the sieve plate, and the top and bottom ends of the slide seat being arranged as inclined surfaces approaching the sieve plate, and a vibration motor being provided on the side of the sieve body.

[0007] The utility model is further configured as follows: a feed hopper is provided on the top of one end of the sieve body that is inclined upward, and the feed hopper is communicated with the uppermost screening cavity.

[0008] The utility model is further configured as follows: a plurality of discharge hoppers are provided at one end of the screen body that is inclined downward, the obtuse angles of the discharge hoppers are inclined downward, and the discharge hoppers are communicated with the corresponding screening cavities, and a discharge pipe is provided at the bottom end of the discharge hoppers.

[0009] The utility model is further configured as follows: a first mounting frame is provided at one end of the sieve body close to the discharge hopper, a fixing frame is provided at one end of the discharge hopper close to the sieve body, and the fixing frame is fixedly connected to the first mounting frame by bolts.

[0010] The present invention is further configured as follows: an observation window is provided on the top of the sieve body, and a transparent observation plate is provided on the surface of the observation window.

[0011] The utility model is further configured as follows: the mounting member includes a second mounting frame, a mounting seat and a fixed seat, the second mounting frame is arranged on the side of the screen body, the mounting seat is arranged on one side of the second mounting frame, the fixed seat is arranged on one side of the mounting frame, and the mounting frame and the fixed seat are provided with arc grooves on the sides close to the polypropylene rod, so that the polypropylene rod is installed between the mounting frame and the fixed seat, and the mounting frame is connected to the fixed seat by mounting screws.

[0012] The present invention is further configured as follows: a fixing plate 1 is provided on one side of the second mounting bracket, a fixing plate 2 is provided on a side of the mounting base close to the second mounting bracket, and the fixing plate 1 and the fixing plate 2 are connected by fixing screws;

[0013] A mounting plate is provided at the bottom end of the support frame, and a mounting hole is provided on the surface of the mounting plate.

[0014] In summary, the utility model has the following beneficial effects: compared with the traditional large-scale rocking screen, the utility model is proportionally smaller and can be used for screening work in the laboratory, and the sieve plate inside the screen body is slidingly arranged, and the sieve plate can be easily taken out for cleaning by disassembling the hopper, thereby ensuring the screening effect; and polypropylene rods are used to pull the screen body. Compared with the traditional universal shaft lifting, the polypropylene rods have good bending fatigue resistance and can withstand folding and bending without damage. At the same time, the longitudinal and transverse tensile strengths of polypropylene are particularly different, and it has good fiber-forming properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 An enlarged structural diagram of the mounting member of the utility model;

[0017] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0018] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 5 It is a side structural diagram of the slide seat of the utility model.

[0020] In the figure: 1. Support frame; 2. Polypropylene rod; 3. Screen body; 301. Feed hopper; 302. Discharge hopper; 303. Observation window; 304. First mounting frame; 305. Fixed frame; 306. Slide seat; 307. Screen plate; 4. Vibration motor; 5. Mounting part; 501. Second mounting frame; 502. Fixed plate 1; 503. Fixed plate 2; 504. Mounting seat; 505. Fixed seat. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] See also Figures 1 to 5The utility model is a small swing test screen, comprising a support frame 1 and a sieve body 3 hoisted in the middle thereof, an observation window 303 is provided on the top of the sieve body 3, and a transparent observation plate is provided on the surface of the observation window 303 for observing the screening situation inside the sieve body 3 in real time, the sieve body 3 is tilted inside the support frame 1, a polypropylene rod 2 is provided inside the support frame 1, and the polypropylene rod 2 is connected to the side of the sieve body 3 through a mounting member 5, and the polypropylene rod 2 is used to pull the sieve body 3. Compared with the traditional universal shaft hoisting, the polypropylene rod 2 has good bending fatigue resistance and can withstand folding and bending without damage. At the same time, the longitudinal and transverse tensile strengths of polypropylene are particularly different, and it has good fiber forming properties. A screening cavity is provided inside the sieve body 3, and a plurality of sieve plates 307 are slidingly provided inside the screening cavity. The surface of the sieve plate 307 is provided with a plurality of sieve holes, and the diameter of the sieve holes decreases from top to bottom. The material is screened in multiple stages. The side wall of the screening cavity is fixedly provided with a slide seat 306 that slides with the screen plate 307, so that the screen plate 307 can be taken out from the inside of the screen body 3 for cleaning, and the top and bottom ends of the slide seat 306 are set to be inclined surfaces close to the screen plate 307 to prevent material from remaining on the surface of the slide seat 306. A first mounting bracket 304 is provided at one end of the screen body 3 near the discharge hopper 302. A fixing bracket 305 is provided at one end of the discharge hopper 302 near the screen body 3, and the fixing bracket 305 is fixedly connected to the first mounting bracket 304 by bolts, so that the discharge hopper 302 can be disassembled, thereby sliding out the internal screen plate 307. A vibration motor 4 is provided on the side of the screen body 3 to make the screen body 3 vibrate, thereby accelerating the screening of the material inside the screen body 3. A mounting plate 101 is provided at the bottom end of the support frame 1, and a mounting hole is provided on the surface of the mounting plate 101 for stably connecting the support frame 1 to the ground.

[0023] In this embodiment, preferably, a feed hopper 301 is provided at the top of one end of the screen body 3 that is inclined upward, and the feed hopper 301 is communicated with the uppermost screening cavity, so that the material can be added to the interior of the screen body 3, thereby facilitating the screening cavity provided therein to perform screening in sequence;

[0024] In this embodiment, preferably, a plurality of discharge hoppers 302 are provided at one end of the screen body 3 that is inclined downward. The obtuse angle of the discharge hopper 302 is inclined downward, and an angle is formed between the discharge hopper 302 and the screen body 3. The angle is 20°-30°, which is not easy to cause blockage of the material. The discharge hopper 302 is communicated with the corresponding screening cavity, and a discharge pipe is provided at the bottom end of the discharge hopper 302, so that the material screened in the corresponding screening cavity is discharged through the corresponding discharge pipe for collection;

[0025] In this embodiment, preferably, the mounting member 5 includes a second mounting frame 501, a mounting seat 504 and a fixing seat 505, the second mounting frame 501 is arranged on the side of the sieve body 3, the mounting seat 504 is arranged on one side of the second mounting frame 501, and the fixing seat 505 is arranged on one side of the mounting frame 504, and the mounting seat 504 and the fixing seat 505 are provided with an arc groove on the side close to the polypropylene rod 2, so that the polypropylene rod 2 is installed between the mounting seat 504 and the fixing seat 505, and the mounting seat 504 is connected to the fixing seat 505 by mounting screws, so that the sieve body 3 and the polypropylene rod 2 can be connected;

[0026] In this embodiment, preferably, a fixing plate 1 502 is provided on one side of the second mounting frame 501, and a fixing plate 2 503 is provided on the side of the mounting seat 504 close to the second mounting frame 501. The fixing plate 1 502 and the fixing plate 2 503 are connected by fixing screws to facilitate quick disassembly and assembly.

[0027] When in use, the material to be screened is added to the interior of the screen body 3 through the feed hopper 301, and the different screening cavities inside the screen body 3 are used to screen the material in sequence. The screened material is discharged through the corresponding discharge hopper 302. While screening, the vibration motor 4 is started to make the screen body 3 swing back and forth inside the support frame 1, thereby accelerating the screening process of the material by the screen body 3. The polypropylene rod 2 is used to pull the screen body 3. Compared with the traditional universal shaft lifting, the polypropylene rod 2 has good bending fatigue resistance and can withstand folding and bending without damage. At the same time, the tensile strength of polypropylene in the longitudinal and transverse directions is particularly different, and it has good fiber forming properties. The screen body 3 is connected to the polypropylene rod 2 through the mounting member 5, which can facilitate the disassembly and assembly of the screen body 3.

[0028] The discharge hopper 302 is disassembled regularly to release the position restriction of the sieve plate 307. The sieve plate 307 is slidably connected to the slide seat 306 on the inner wall of the sieve body 3, so that the sieve plate 307 is taken out from the inside of the sieve body 3 and its surface is cleaned to ensure the screening effect of the sieve plate 307.

[0029] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A small swing test sieve, comprising a support frame (1) and a sieve body (3) hoisted in the middle thereof, wherein the sieve body (3) is tiltedly arranged inside the support frame (1), and is characterized in that: A polypropylene rod (2) is provided inside the support frame (1), and the polypropylene rod (2) is connected to the side of the screen body (3) through a mounting member (5). A screening cavity is provided inside the screen body (3), and a plurality of screen plates (307) are slidably provided inside the screening cavity. The surface of the screen plate (307) is provided with a plurality of screen holes, and the diameter of the screen holes decreases from top to bottom. A slide seat (306) that slidably cooperates with the screen plate (307) is fixedly provided on the side wall of the screening cavity, and the top and bottom ends of the slide seat (306) are arranged as inclined surfaces approaching the screen plate (307). A vibration motor (4) is fixedly provided on the side of the screen body (3).

2. The small swing test sieve according to claim 1, characterized in that: A feed hopper (301) is provided at the top of one end of the sieve body (3) that is inclined upward, and the feed hopper (301) is communicated with the uppermost screening cavity.

3. The small swing test sieve according to claim 1, characterized in that: A plurality of corresponding discharge hoppers (302) are provided at one end of the sieve body (3) that is inclined downward. The obtuse angle of the discharge hopper (302) is arranged to be inclined downward, and the discharge hopper (302) is communicated with the corresponding screening cavity. A discharge pipe is provided at the bottom end of the discharge hopper (302).

4. The small swing test sieve according to claim 3, characterized in that: A first mounting frame (304) is provided at one end of the sieve body (3) close to the discharge hopper (302), and a fixing frame (305) is provided at one end of the sieve body (3) close to the discharge hopper (302), and the fixing frame (305) is fixedly connected to the first mounting frame (304) by bolts.

5. The small swing test sieve according to claim 1, characterized in that: An observation window (303) is provided at the top of the sieve body (3), and a transparent observation plate is provided on the surface of the observation window (303).

6. The small swing test sieve according to claim 1, characterized in that: The mounting member (5) comprises a second mounting frame (501), a mounting seat (504) and a fixing seat (505), wherein the second mounting frame (501) is arranged on the side of the sieve body (3), the mounting seat (504) is arranged on one side of the second mounting frame (501), and the fixing seat (505) is arranged on one side of the mounting frame (504), and arc-shaped grooves are provided on the sides of the mounting frame (504) and the fixing seat (505) close to the polypropylene rod (2), so that the polypropylene rod (2) is mounted between the mounting frame (504) and the fixing seat (505), and the mounting frame (504) is connected to the fixing seat (505) by means of mounting screws.

7. The small swing test sieve according to claim 6, characterized in that: A fixing plate 1 (502) is provided on one side of the second mounting frame (501), and a fixing plate 2 (503) is provided on a side of the mounting seat (504) close to the second mounting frame (501), and the fixing plate 1 (502) and the fixing plate 2 (503) are connected by fixing screws.

8. The small swing test sieve according to claim 1, characterized in that: A mounting plate (101) is provided at the bottom end of the support frame (1), and a mounting hole is provided on the surface of the mounting plate (101).

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