Classifying screen with dust removal mechanism for feed production

Abstract

The utility model discloses a feed production classifying screen with a dust removal mechanism, which is characterized in that an observation window is arranged at the lower part of the front side surface of a tank body, a feed port is arranged at the front part of the top surface of the tank body, a dust collection pipeline is fixedly connected to the upper part of the back of the tank body, and the rear end of the dust collection pipeline is fixedly connected to a dust collection port of a turbine dust collector; a discharging valve is arranged at the lower end of the tank body, the lifting sieving mechanism is arranged on the upper portion in the tank body, and the second filtering sieve plate is fixedly connected to the lower portion in the tank body. A lifting screening mechanism is arranged to drive a plurality of assemblies, including a first filtering screen plate, at the lower end of the lifting screening mechanism to ascend and descend in a tank body, and then the height of a first-stage screening filtering space in the upper portion of the inner side of the tank body is adjusted; and the airflow is guided to upwards blow air to the bottom of the first filtering sieve plate, so that dust is driven to rise, and the turbine dust collector can conveniently perform dust removal operation.

Description

Technical Field

[0001] The utility model relates to the field of grading screens, in particular to a grading screen for feed production with a dust removal mechanism. Background Art

[0002] A grading screen is a mechanical device that uses vibration generated by a vibration motor and a spring to classify materials. It is mainly used in the ore dressing process in mining, widely used in the grading and screening of finished compound fertilizers, and is also applicable to the screening and grading of raw materials and finished products in various industries such as grain, food, chemical industry, sugar making, mining, coal mining, metallurgy, and papermaking.

[0003] The existing feed grading screen uses a fixed filter screen plate to classify and screen feeds, and absorbs the dust generated during the vibration process through a turbine dust collector. Although the existing feed grading screen has a simple structure and obvious screening effect, due to different market needs, manufacturers need to produce feeds of different specifications and sizes. The existing feed grading screen can be adapted by replacing the screen plate, but the screening space for temporarily storing feeds cannot be changed. As a result, during the production process, some feeds of certain specifications occupy a larger screening space due to their larger volume, leading to a reduction in the single-layer screening efficiency, and there is still room for improvement. Summary of the Utility Model

[0004] Therefore, to solve the above deficiencies, the utility model provides a grading screen for feed production with a dust removal mechanism.

[0005] The utility model is realized as follows: A grading screen for feed production with a dust removal mechanism is constructed, and the device includes:

[0006] A tank body, with an observation window provided at the lower part of the front side of the tank body, and a feed inlet provided at the front part of the top surface of the tank body;

[0007] Among them, the upper part of the back of the tank body is fixedly connected with a dust suction pipe, the rear end of the dust suction pipe is fixedly connected to the dust suction port of a turbine dust collector, the bottom discharge port of the turbine dust collector is rotatably connected to the upper end of a dust collection tank, a discharge valve is provided at the lower end of the tank body, and a sealing door is provided at the lower part of the back of the tank body; The characteristics are as follows: It further includes:

[0008] A first driving motor, which is fixedly connected to the middle part of the top surface of the tank body;

[0009] A lifting and screening mechanism, which is arranged at the upper part inside the tank body;

[0010] A second filter screen plate, which is fixedly connected to the lower part inside the tank body.

[0011] Preferably, the output shaft of the first driving motor penetrates and is rotatably connected to the top surface of the tank body, and the output shaft of the first driving motor is fixedly connected to the upper end of the hollow transmission rod. Four arc-shaped plates are fixedly connected to the outer side of the hollow transmission rod, and a connecting rod is movably inserted into the lower end of the hollow transmission rod.

[0012] Preferably, the lifting and sieving mechanism includes:

[0013] Pneumatic push rods, and two of the pneumatic push rods are fixedly connected to the left and right parts of the top surface of the tank body;

[0014] Among them, the output shafts of the two pneumatic push rods are fixedly connected to the output push rods, and the upper ends of the two output push rods penetrate and are slidably connected to the top surface of the tank body.

[0015] Preferably, the lower ends of the two output push rods are fixedly connected to the left and right parts of the top surface of the connecting plate. The middle part of the connecting plate has a through hole and is fixedly connected to the upper end of the upper sealing cylinder. A first filter sieve plate is fixedly connected to the outer side of the upper end of the upper sealing cylinder, and the bottom of the upper sealing cylinder is rotatably connected to the top surface of the lower sealing cylinder.

[0016] Preferably, an impeller is fixedly connected to the lower end of the lower sealing cylinder. The impeller is composed of a plurality of blades and a fixed outer ring. The middle part of the bottom of the upper sealing cylinder is fixedly connected to the upper end of the second driving motor. The bottom output shaft of the second driving motor is fixedly connected to the middle part of the top surface of the lower sealing cylinder. The first filter sieve plate and the impeller are slidably connected to the upper inner side of the tank body.

[0017] Preferably, a central fixing plate is fixedly connected to the center of the second filter sieve plate. A vibration motor is fixedly connected to the bottom of the central fixing plate, and a dust-proof housing is wrapped outside the vibration motor.

[0018] Preferably, a first filter screen is fixedly connected to the connection part between the tank body and the dust suction pipe. The bottom edge of the sealing door is horizontally aligned with the top surface of the second filter sieve plate. The lower end of the connecting rod is fixedly connected to the center of the top surface of the connecting plate.

[0019] The present invention has the following advantages: The present invention provides a grading sieve for feed production with a dust removal mechanism through improvement. Compared with the same type of equipment, the following improvements are made:

[0020] For the grading sieve for feed production with a dust removal mechanism of the present invention, by setting a lifting and sieving mechanism to drive a plurality of components including the first filter sieve plate at its lower end to lift inside the tank body, thereby adjusting the height of the primary screening and filtering space in the upper inner side of the tank body. The impeller is driven to rotate by the second driving motor, and then the airflow is guided upward to blow the bottom of the first filter sieve plate to drive the dust to rise so as to facilitate the dust removal operation by the turbine dust collector. Description of the Drawings

[0021] Figure 1 is a schematic structural view of the present utility model;

[0022] Figure 2 is a schematic internal planar structure view of the present utility model;

[0023] Figure 3 is an enlarged structural view of part A of the present utility model;

[0024] Figure 4 is a schematic back planar structure view of the present utility model;

[0025] Figure 5 is a schematic exploded structural view of the lifting and sieving mechanism of the present utility model.

[0026] Wherein: tank body - 101, observation window - 102, feed inlet - 103, dust suction pipeline - 104, turbine dust suction machine - 105, dust collection tank - 106, discharge valve - 107, sealing door - 108, first filter screen - 109, first driving motor - 201, hollow transmission rod - 202, arc plate - 203, connecting rod - 204, lifting and sieving mechanism - 301, pneumatic push rod - 302, output push rod - 303, connecting plate - 304, upper sealing cylinder - 305, first filter sieve plate - 306, lower sealing cylinder - 307, impeller - 308, second driving motor - 309, second filter sieve plate - 401, central fixing plate - 402, vibration motor - 403. Specific embodiments

[0027] The following combines the attached Figures 1 to 5 Describe the principles and features of the present utility model. The examples given are only used to explain the present utility model and are not used to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. According to the following description and the claims, the advantages and features of the present utility model will be clearer. It should be noted that the drawings are all in a very simplified form and use non-precise scales, only for the purpose of conveniently and clearly assisting in explaining the purpose of the embodiments of the present utility model.

[0028] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the description of this utility model herein are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] Please refer to Figure 1 Figure 2 Figure 3 Figure 4 and Figure 5 , a grading sieve for feed production with a dust removal mechanism of the present utility model, comprising:

[0031] A tank body 101, a lower part of the front side surface of the tank body 101 is provided with an observation window 102 for staff to observe inside the tank, and a front part of the top surface of the tank body 101 is provided with a feed inlet 103 for pouring in feed;

[0032] Among them, an upper part of the back of the tank body 101 is fixedly connected with a dust suction pipeline 104 for the dust removal work of a turbo dust collector 105. The rear end of the dust suction pipeline 104 is fixedly connected to the dust suction port of the turbo dust collector 105. The bottom discharge port of the turbo dust collector 105 is rotatably connected to the upper end of a dust collection tank 106 for cleaning accumulated dust. A discharge valve 107 is provided at the lower end of the tank body 101 for discharging materials. A sealing door 108 is provided at the lower part of the back of the tank body 101 for cleaning the feed accumulated on the top surface of a second filter screen plate 401;

[0033] A first driving motor 201, and the first driving motor 201 is fixedly connected to the middle of the top surface of the tank body 101;

[0034] A lifting and sieving mechanism 301, and the lifting and sieving mechanism 301 is arranged at the upper part inside the tank body 101;

[0035] A second filter screen plate 401, and the second filter screen plate 401 is fixedly connected to the lower part inside the tank body 101. The output shaft of the first driving motor 201 penetrates and is rotatably connected to the top surface of the tank body 101, and the output shaft of the first driving motor 201 is fixedly connected to the upper end of a hollow transmission rod 202. Four arc-shaped plates 203 are fixedly connected to the outer side of the hollow transmission rod 202, and a connecting rod 204 is movably inserted into the lower end inside the hollow transmission rod 202 to provide fixed support for the lower end of the hollow transmission rod 202 to prevent the feed from knocking the hollow transmission rod 202 askew.

[0036] The lifting and sieving mechanism 301 includes:

[0037] Pneumatic push rods 302, and two pneumatic push rods 302 are fixedly connected to the left and right parts of the top surface of the tank body 101;

[0038] Among them, the output shafts of the two pneumatic push rods 302 are fixedly connected to the output push rod 303. The upper ends of the two output push rods 303 penetrate and are slidably connected to the top surface of the tank body 101. The lower ends of the two output push rods 303 are fixedly connected to the left and right parts of the top surface of the connecting plate 304. The middle part of the connecting plate 304 has a through hole and is fixedly connected to the upper end of the upper sealing cylinder 305. The outer side of the upper end of the upper sealing cylinder 305 is fixedly connected with a first filter sieve plate 306. The bottom of the upper sealing cylinder 305 is rotatably connected to the top surface of the lower sealing cylinder 307. The lower end of the lower sealing cylinder 307 is fixedly connected with an impeller 308. The impeller 308 is composed of a plurality of blades and a fixed outer ring, so as to guide the airflow to rise and drive the dust to rise, and at the same time facilitate the sieved feed to fall onto the top surface of the second filter sieve plate 401. The middle part of the bottom of the upper sealing cylinder 305 is fixedly connected to the upper end of the second driving motor 309. The bottom output shaft of the second driving motor 309 is fixedly connected to the middle part of the top surface of the lower sealing cylinder 307. The first filter sieve plate 306 and the impeller 308 are slidably connected to the upper part inside the tank body 101. A first filter screen 109 is fixedly connected at the connection part of the tank body 101 and the dust suction pipe 104. The bottom edge of the sealing door 108 is horizontally aligned with the top surface of the second filter sieve plate 401. The lower end of the connecting rod 204 is fixedly connected to the center of the top surface of the connecting plate 304.

[0039] The working principle of a grading sieve for feed production with a dust removal mechanism based on the above implementation is as follows:

[0040] When it is necessary to adjust the height of the primary screening and filtering space in the upper part inside the tank body 101, the output shaft of the pneumatic push rod 302 drives the output push rod 303 to generate a vertical displacement, thereby driving the connecting plate 304 to displace, thereby driving the upper sealing cylinder 305 to displace, thereby driving the first filter sieve plate 306 to displace, and at the same time driving the lower sealing cylinder 307, the impeller 308 and the second driving motor 309 to displace, so as to complete the adjustment of the height of the primary screening and filtering space in the upper part inside the tank body 101;

[0041] When performing feed screening, the output shaft of the second driving motor 309 drives the lower sealing cylinder 307 to rotate at the bottom of the upper sealing cylinder 305, thereby driving the impeller 308 to rotate, thereby guiding the airflow to flow upward to blow the bottom of the first filter sieve plate 306, thereby driving the dust generated by the collision of the feed to flow upward, so that the turbine dust collector 105 sucks the dust into the dust collection tank 106 through the dust suction pipe 104 and the first filter screen 109;

[0042] And when performing feed screening, the output shaft of the first driving motor 201 drives the hollow transmission rod 202 to rotate, thereby driving the arc plate 203 to rotate, and further stirring the feed through the rotating arc plate 203 to improve the screening efficiency;

[0043] After the feed is filtered by the first filter screen plate 306 and passes through the gaps between several blades of the impeller 308, it falls onto the top surface of the second filter screen plate 401. At this time, the vibration motor 403 vibrates and drives the middle part of the second filter screen plate 401 to vibrate through the central fixing plate 402, thereby completing the last-stage screening.

[0044] Through improvement, the utility model provides a grading screen for feed production with a dust removal mechanism. By setting the lifting and screening mechanism 301, a plurality of components including the first filter screen plate 306 at its lower end are lifted and lowered inside the tank body 101, thereby adjusting the height of the primary screening and filtering space in the upper part inside the tank body 101. The second drive motor 309 drives the impeller 308 to rotate, thereby guiding the air flow upward to blow the bottom of the first filter screen plate 306 and driving the dust to rise so as to facilitate the dust removal operation by the turbine dust collector 105.

[0045] The above shows and describes the basic principles, main features and advantages of the utility model. Moreover, the standard parts used in the utility model can all be purchased from the market. The special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, details are not described herein again.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A grading screen for feed production with a dust removal mechanism, comprising: A tank body (101), wherein an observation window (102) is provided at the lower portion of the front side surface of the tank body (101), and a feed port (103) is provided at the front portion of the top surface of the tank body (101); The upper part of the back of the tank body (101) is fixedly connected to a dust suction pipe (104), the rear end of the dust suction pipe (104) is fixedly connected to the dust suction port of a turbine vacuum cleaner (105), the bottom discharge port of the turbine vacuum cleaner (105) is rotatably connected to the upper end of the dust collecting tank (106), the lower end of the tank body (101) is provided with a discharge valve (107), and the lower part of the back of the tank body (101) is provided with a sealing door (108); the characteristic is that it also includes: A first drive motor (201), the first drive motor (201) being fixedly connected to the middle of the top surface of the tank body (101); A lifting and screening mechanism (301), wherein the lifting and screening mechanism (301) is arranged at an upper portion of the interior of the tank body (101); A second filter screen plate (401), wherein the second filter screen plate (401) is fixedly connected to the lower part of the tank body (101).

2. A grading screen for feed production with a dust removal mechanism according to claim 1, characterized in that: The output shaft of the first drive motor (201) passes through and is rotatably connected to the top surface of the tank body (101), and the output shaft of the first drive motor (201) is fixedly connected to the upper end of the hollow transmission rod (202), four arc-shaped plates (203) are fixedly connected to the outer side of the hollow transmission rod (202), and a connecting rod (204) is movably inserted into the lower end of the hollow transmission rod (202).

3. A grading screen for feed production with a dust removal mechanism according to claim 2, characterized in that: The lifting and screening mechanism (301) comprises: Pneumatic push rods (302), two of the pneumatic push rods (302) are fixedly connected to the left and right parts of the top surface of the tank body (101); The output shafts of the two pneumatic push rods (302) are fixedly connected to the output push rod (303), and the upper ends of the two output push rods (303) penetrate and are slidably connected to the top surface of the tank body (101).

4. A grading screen for feed production with a dust removal mechanism according to claim 3, characterized in that: The lower ends of the two output push rods (303) are fixedly connected to the left and right parts of the top surface of the connecting plate (304); the middle part of the connecting plate (304) is provided with a through hole and is fixedly connected to the upper end of the upper sealing cylinder (305); the outer side of the upper end of the upper sealing cylinder (305) is fixedly connected to a first filter screen plate (306); and the bottom of the upper sealing cylinder (305) is rotatably connected to the top surface of the lower sealing cylinder (307).

5. A grading screen for feed production with a dust removal mechanism according to claim 4, characterized in that: The lower end of the lower sealing cylinder (307) is fixedly connected to an impeller (308), and the impeller (308) is composed of a plurality of blades and a fixed outer ring. The middle of the bottom of the upper sealing cylinder (305) is fixedly connected to the upper end of the second drive motor (309), and the bottom output shaft of the second drive motor (309) is fixedly connected to the middle of the top surface of the lower sealing cylinder (307). The first filter screen plate (306) and the impeller (308) are slidably connected to the upper inner side of the tank body (101).

6. A grading screen for feed production with a dust removal mechanism according to claim 5, characterized in that: A central fixing plate (402) is fixedly connected to the center of the second filtering screen plate (401), a vibration motor (403) is fixedly connected to the bottom of the central fixing plate (402), and the vibration motor (403) is wrapped with a dustproof shell.

7. A grading screen for feed production with a dust removal mechanism according to claim 6, characterized in that: A first filter screen (109) is fixedly connected to the connection between the tank body (101) and the dust collection pipe (104), the bottom edge of the sealing door (108) is horizontally aligned with the top surface of the second filter screen plate (401), and the lower end of the connecting rod (204) is fixedly connected to the center of the top surface of the connecting plate (304).

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