CN213996676U - Vibration screening device - Google Patents

Abstract

The utility model provides a vibration screening device, vibration screening device includes: the device comprises a base, a supporting plate, a spring, a bottom frame, a vibrating motor, a blanking frame, a fine material port, a screening frame, a screen assembly, a coarse material port, a dust cover and a feeding port; the base is a hollow cavity with an opening at one end; the supporting plate is arranged on the outer side of the base in a winding mode along the circumferential direction of the base and is connected with the base; the at least three springs are arranged on the supporting plate along the circumferential direction of the supporting plate, and one ends of the at least three springs are connected with the supporting plate simultaneously; the bottom frame is a hollow cavity with an opening at one end, and is simultaneously connected with the other ends of the at least three springs; the vibration motor is connected with the bottom frame, and at least part of the vibration motor is embedded into the base; the lower object frame is a hollow cavity with an opening at one end and is embedded into the bottom frame, and the lower object frame is connected with the bottom frame; the fine material port extends towards the tangential direction deviating from the lower object frame, the fine material port is arranged on the side wall of the lower object frame, and the fine material port penetrates through the bottom frame.

Description

Vibration screening device

Technical Field

The utility model relates to a material screening technical field particularly, relates to a vibration screening device.

Background

At present, in the correlation technique, present material screening mode needs screening many times mostly, just can separately collect the material of different granularities, and screening efficiency is low, and the condition that still has the thickness material to mix after the screening produces, can't satisfy the production needs. Therefore, it is necessary to design a vibrating screen device to improve the screening quality and to efficiently perform the production.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides a vibration screening device.

In view of this, the utility model provides a vibration screening device, vibration screening device includes: the device comprises a base, a supporting plate, a spring, a bottom frame, a vibrating motor, a blanking frame, a fine material port, a screening frame, a screen assembly, a coarse material port, a dust cover and a feeding port; the base is a hollow cavity with an opening at one end; the supporting plate is arranged on the outer side of the base in a winding mode along the circumferential direction of the base and is connected with the base; the at least three springs are arranged on the supporting plate along the circumferential direction of the supporting plate, and one ends of the at least three springs are connected with the supporting plate simultaneously; the bottom frame is a hollow cavity with an opening at one end, and is simultaneously connected with the other ends of the at least three springs; the vibration motor is connected with the bottom frame, and at least part of the vibration motor is embedded into the base; the lower object frame is a hollow cavity with an opening at one end and is embedded into the bottom frame, and the lower object frame is connected with the bottom frame; the fine material port extends in the direction departing from the tangent line of the lower material frame, the fine material port is arranged on the side wall of the lower material frame, and the fine material port penetrates through the bottom frame; the screening frame is a hollow cavity with openings at two ends, is positioned above the lower object frame and is connected with the bottom frame; the screen assembly is fixed between the lower object frame and the screening frame; the coarse material port extends in the direction back to the tangent of the screening frame, the coarse material port is arranged on the side wall of the lower material frame, and the coarse material port and the fine material port are respectively positioned on two sides of the base; the dustproof cover is positioned above the screening frame and is connected with the screening frame; the feed inlet sets up the top at the shield.

In the technical scheme, firstly, the base is a hollow cavity with an opening at one end so as to accommodate the vibration motor; secondly, the supporting plate is arranged on the outer side of the base in a winding mode along the circumferential direction of the base and connected with the base so as to be fixed on the base, and therefore the stability of the supporting plate is improved, and the thickness of the base is increased; thirdly, at least three springs are arranged on the support plate along the circumferential direction of the support plate, and one ends of the at least three springs are simultaneously connected with the support plate, so that the springs are fixed on the support plate; thirdly, the bottom frame is a hollow cavity with an opening at one end, and is simultaneously connected with the other ends of the at least three springs so as to support the bottom frame through the springs, so that the bottom frame has a certain movement space; thirdly, the vibration motor is connected with the bottom frame, and at least part of the vibration motor is embedded into the base, so that the bottom frame is driven to move through vibration of the vibration motor, the spring is stressed to generate vibration, and the bottom frame is continuously in a moving state; thirdly, the lower object frame is a hollow cavity with an opening at one end and is embedded into the bottom frame, and the lower object frame is connected with the bottom frame to contain materials, so that the bottom frame is prevented from being polluted by the materials, and the lower object frame and the bottom frame synchronously move to achieve the vibration effect; thirdly, the fine material port extends towards the direction deviating from the tangent line of the lower object frame, is arranged on the side wall of the lower object frame and penetrates through the bottom frame so as to discharge the fine material through the continuous vibration of the lower object frame and the bottom frame; thirdly, the screening frame is a hollow cavity with openings at two ends, the screening frame is positioned above the lower object frame, and the screening frame is connected with the bottom frame, so that the screening frame, the bottom frame and the lower object frame move synchronously; thirdly, the screen assembly is fixed between the lower object frame and the screening frame to perform vibration screening on the materials, so that the fine materials fall into the lower object frame after passing through the screen assembly, and the coarse materials are blocked and are left above the screen assembly; thirdly, the coarse material port extends in the direction away from the tangent line of the screening frame, the coarse material port is arranged on the side wall of the lower material frame, and the coarse material port and the fine material port are respectively positioned on two sides of the base, so that the coarse material blocked above the screen assembly is discharged from the coarse material port through vibration, and the collection is facilitated; thirdly, the dust cover is positioned above the screening frame and connected with the screening frame, so that impurities such as dust in the air are prevented from entering the device to pollute the materials; thirdly, through setting up the feed inlet at the top of shield, can directly add the material through the feed inlet to the device in, convenient and fast to make screening work continuously go on. By adopting the connection mode, the technical effect of screening materials in multiple stages can be realized by increasing the number of the screening frame and the screen assemblies, the vibrating motor is started by arranging the eccentric heavy hammers at the two ends of the vibrating motor, the two eccentric heavy hammers rotate to generate exciting force to drive the bottom frame connected with the vibrating motor to vibrate, the vibration is transmitted to the spring through the bottom frame, the vibration effect of the bottom frame is enhanced by the characteristic of vibration generated after the spring is stressed, the vibration effect of the screening frame and the screen assemblies connected with the bottom frame is further enhanced, the motion state, the speed and the track of the materials above the screen assemblies are continuously changed, and the fine materials are continuously screened and discharged from the fine material port; the coarse materials are left above the screen assembly and cannot pass through the screen assembly, and are discharged from the coarse material port to achieve the purpose of screening the materials; the lower object frame can be replaced by connecting the lower object frame in the bottom frame, so that the step of cleaning the bottom frame after screening each time is reduced; and the fine material port and the coarse material port are horizontally arranged, so that the materials can be slowly discharged through vibration instead of rolling down under the action of gravity, the screening quality is ensured, and the problem that the coarse and fine materials are still mixed after being screened is avoided.

Specifically, the vibration motor adopts a ZDJ-0.55-4 vibration motor produced by Hongda vibration equipment Limited company in New rural areas, the vibration amplitude of the motor can be adjusted by adjusting the phase angles of the upper and lower ends of two eccentric weights, the motion track of materials on the screen surface can be changed, the screening speed can be adjusted, and the production requirement can be met.

Additionally, the utility model provides a vibrating screen device among the above-mentioned technical scheme can also have following additional technical characterstic:

in the above technical solution, preferably, the screen assembly further includes: the screen comprises a first screen frame, a screen body and a second screen frame; the first net rack is jointed with the lower object frame; the screen body cover is arranged above the first net rack; the second net rack cover is arranged above the screen body, and the second net rack is connected with the first net rack.

In the technical scheme, the first net rack is attached to the lower object frame so as to support the first net rack; establish the top at first rack through covering the screen cloth body to establish the top at the screen cloth body with the second rack lid, and the second rack is connected with first rack, with screen cloth body pressfitting, tensioning, avoid the screen cloth body to sink downwards, lead to the material to pile up, thereby ensure screening quality and efficiency, the material that different granularities can be sieved out to the direct change screen assembly simultaneously, easy operation.

In the above technical solution, preferably, the vibratory screening device further includes: a first spring seat and a second spring seat; the first spring seat is embedded into one end of the spring and is connected with the support plate; the second spring seat is embedded into the other end of the spring, and the second spring seat is connected with the bottom frame.

In the technical scheme, the first spring seat is embedded into one end of the spring and is connected with the supporting plate so as to limit one end of the spring; through in the other end with second spring holder embedding spring, and the second spring holder is connected with the underframe to carry on spacingly to the other end of spring, thereby avoid the spring to take place the slope when flexible, stability when guaranteeing the spring vibration, thereby guarantee the continuity of screening process, guarantee screening efficiency.

In the above technical solution, preferably, the vibratory screening device further includes: a first collar and a second collar; the first beam ring is sleeved on the outer sides of the base and the screening frame at the same time; the second collar suit is in the outside of screening frame and shield simultaneously.

In the technical scheme, the first beam ring is sleeved on the outer sides of the bottom frame and the screening frame at the same time to connect the bottom frame and the screening frame, so that the bottom frame and the screening frame move synchronously to drive the screen assembly and the material to move, and the effect of vibration screening is realized; through restrainting the ring suit in the outside of screening frame and shield simultaneously with the second to avoid equipment when operating condition, the shield rocks, produces the noise, ensures the stability of shield.

In the above technical solution, preferably, the first collar further includes: the first bolt comprises a first body, a first adjusting opening, a first mounting part, a first threaded hole, a first bolt and a first nut; the first adjusting port penetrates through the first body; the two first mounting parts are respectively connected with two ends of the first body; the inner wall of the first threaded hole is provided with first internal threads, and the two first threaded holes respectively penetrate through the two first mounting parts; the outer wall of the first bolt is provided with first external threads, and the first bolt simultaneously penetrates through the two first threaded holes; the inner wall of the first nut is provided with a first internal thread, the first nut is sleeved on the outer side of the first bolt, and the first nut is attached to one of the first mounting portions.

In the technical scheme, the first adjusting opening penetrates through the first body so as to adjust the tightness of the first body and facilitate the installation of the first body; the two first mounting parts are respectively connected with the two ends of the first body, so that the tightness of the first body can be adjusted by locking the first mounting parts; be provided with first internal thread through the inner wall at first screw hole, two first screw holes run through two first installation departments respectively, and be provided with first external screw thread at the outer wall of first bolt, first bolt passes two first screw holes simultaneously, and with first nut suit in the outside of first bolt, and first nut and one of them first installation department laminate mutually, with the distance between two first installation departments of first bolt and first spiral shell regulation, thereby realize after first body installation, adjust the technological effect of first bundle ring elasticity, and it is convenient to adjust, and is easy to operate.

In the above technical solution, preferably, the second collar further includes: the second body, the second adjusting opening, the second mounting part, the second threaded hole, the second bolt and the second nut; the second adjusting port penetrates through the second body; the two second mounting parts are respectively connected with two ends of the second body; second internal threads are arranged on the inner wall of the second threaded hole, and the two second threaded holes respectively penetrate through the two second mounting parts; the outer wall of the second bolt is provided with second external threads, and the second bolt simultaneously penetrates through the two second threaded holes; the inner wall of the second nut is provided with a second internal thread, the second nut is sleeved on the outer side of the second bolt, and the second nut is attached to one of the second mounting portions.

In the technical scheme, the second adjusting opening penetrates through the second body so as to adjust the tightness of the second body and facilitate the installation of the second body; the two second mounting parts are respectively connected with the two ends of the second body, so that the tightness of the second body can be adjusted by locking the second mounting parts; the inner wall through at the second screw hole is provided with the second internal thread, two second screw holes run through two second installation departments respectively, and be provided with the second external thread at the outer wall of second bolt, the second bolt passes two second screw holes simultaneously, and with the second nut suit in the outside of second bolt, and the second nut laminates mutually with one of them second installation department, with the distance between two second installation departments of second bolt and second spiral shell regulation, thereby realize after the installation of second body, the technological effect of adjustment second collar elasticity, and convenient adjustment, and is simple in operation.

In the above technical solution, preferably, the vibratory screening device further includes: a sealing cover; the sealing cover is arranged above the feeding hole in a covering mode.

In this technical scheme, establish the top at the feed inlet through making sealed lid to avoid the material vibration, there is the dust to fly upward, avoids the outside pollutant to get into simultaneously, ensures the cleanliness factor in the device, avoids polluting the material.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 shows a cross-sectional view of a vibratory screening device according to one embodiment of the present invention;

FIG. 2 is an enlarged view at A of the cross-sectional view of the vibratory screening device of FIG. 1 in accordance with one embodiment of the present invention;

figure 3 shows a schematic structural view of a vibratory screening device according to another embodiment of the present invention;

figure 4 shows a schematic structural view of a vibratory screening device according to yet another embodiment of the present invention;

figure 5 shows a top view of a vibratory screening device according to yet another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

10 base, 12 backup pads, 14 springs, 16 underframe, 18 vibrating motor, 20 lower frames, 22 fine material mouths, 24 screening frames, 26 screen assembly, 261 first rack, 262 screen body, 263 second rack, 28 coarse material mouths, 30 shield, 32 feed inlets, 34 first spring seat, 36 second spring seat, 38 first restraint ring, 381 first body, 382 first regulation mouth, 383 first installation portion, 384 first bolt, 385 first nut, 40 second restraint ring, 401 second body, 402 second regulation mouth, 403 second installation portion, 404 second bolt, 405 second nut, 42 sealing cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Vibratory screening devices according to some embodiments of the present invention are described below with reference to figures 1 through 5.

In an embodiment of the present invention, as in fig. 1 to 5, the present invention provides a vibrating screen device, the vibrating screen device comprising: the device comprises a base 10, a support plate 12, a spring 14, a bottom frame 16, a vibration motor 18, a lower object frame 20, a fine material port 22, a screening frame 24, a screen assembly 26, a coarse material port 28, a dust cover 30 and a feeding port 32; the base 10 is a hollow cavity with an opening at one end; the supporting plate 12 is arranged around the outer side of the base 10 along the circumferential direction of the base 10, and the supporting plate 12 is connected with the base 10; at least three springs 14 are arranged on the support plate 12 along the circumferential direction of the support plate 12, and one ends of the at least three springs 14 are simultaneously connected with the support plate 12; the bottom frame 16 is a hollow cavity with an opening at one end, and the bottom frame 16 is simultaneously connected with the other ends of the at least three springs 14; the vibration motor 18 is connected with the bottom frame 16, and at least part of the vibration motor 18 is embedded in the base 10; the lower frame 20 is a hollow cavity with an opening at one end, embedded in the bottom frame 16, and the lower frame 20 is connected with the bottom frame 16; the fine material port 22 extends back to the tangential direction of the lower material frame 20, the fine material port 22 is arranged on the side wall of the lower material frame 20, and the fine material port 22 penetrates through the bottom frame 16; the screening frame 24 is a hollow cavity with openings at two ends, the screening frame 24 is positioned above the lower object frame 20, and the screening frame 24 is connected with the bottom frame 16; a screen assembly 26 is secured between the lower frame 20 and the screen frame 24; the coarse material port 28 extends in a direction away from the tangent of the screening frame 24, the coarse material port 28 is disposed on the sidewall of the lower material frame 20, and the coarse material port 28 and the fine material port 22 are respectively located on two sides of the base 10; the dust cover 30 is positioned above the screening frame 24, and the dust cover 30 is connected with the screening frame 24; the feed port 32 is provided at the top of the dust cap 30.

In this embodiment, first, by making the base 10 a hollow cavity having an opening at one end, the vibration motor 18 is accommodated; secondly, the support plate 12 is arranged outside the base 10 in a winding manner along the circumferential direction of the base 10, and the support plate 12 is connected with the base 10 so as to fix the support plate 12 on the base 10, thereby improving the stability of the support plate 12 and increasing the thickness of the base 10; thirdly, the springs 14 are fixed on the support plate 12 by arranging at least three springs 14 on the support plate 12 along the circumferential direction of the support plate 12, and one ends of the at least three springs 14 are simultaneously connected with the support plate 12; thirdly, the bottom frame 16 is a hollow cavity with an opening at one end, and the bottom frame 16 is simultaneously connected with the other ends of the at least three springs 14, so that the bottom frame 16 is supported by the springs 14, and the bottom frame 16 has a certain movement space; thirdly, the vibration motor 18 is connected with the bottom frame 16, and at least part of the vibration motor 18 is embedded into the base 10, so that the vibration motor 18 vibrates to drive the bottom frame 16 to move, the spring 14 is stressed to generate vibration, and the bottom frame 16 is in a moving state continuously; thirdly, the lower object frame 20 is a hollow cavity with an opening at one end and is embedded into the bottom frame 16, the lower object frame 20 is connected with the bottom frame 16 to contain materials, the bottom frame 16 is prevented from being polluted by the materials, the lower object frame 20 and the bottom frame 16 move synchronously, and the vibration effect is achieved; thirdly, the fine material port 22 extends away from the tangential direction of the lower frame 20, the fine material port 22 is arranged on the side wall of the lower frame 20, and the fine material port 22 penetrates through the bottom frame 16, so that the fine material is discharged through the continuous vibration of the lower frame 20 and the bottom frame 16; thirdly, the screening frame 24 is a hollow cavity with openings at two ends, the screening frame 24 is positioned above the lower object frame 20, and the screening frame 24 is connected with the bottom frame 16, so that the screening frame 24, the bottom frame 16 and the lower object frame 20 move synchronously; thirdly, the material is vibrated and sieved by fixing the screen assembly 26 between the lower object frame 20 and the screening frame 24, so that the fine material falls into the lower object frame 20 after passing through the screen assembly 26, and the coarse material is blocked and is left above the screen assembly; thirdly, by extending the coarse material port 28 away from the tangent direction of the screening frame 24, the coarse material port 28 is disposed on the side wall of the lower frame 20, and the coarse material port 28 and the fine material port 22 are respectively located at two sides of the base 10, so that the coarse material blocked above the screen assembly 26 is discharged from the coarse material port 28 by vibration, which is convenient for collection; thirdly, the dust cover 30 is positioned above the screening frame 24, and the dust cover 30 is connected with the screening frame 24, so that impurities such as dust in the air are prevented from entering the interior of the device to pollute the materials; thirdly, through setting up feed inlet 32 at the top of shield 30, can directly add the material through feed inlet 32 to the device in, convenient and fast to make screening work continuously go on. By adopting the connection mode, the technical effect of multi-stage screening of materials can be realized by increasing the number of the screening frame 24 and the screen assemblies 26, the vibration motor 18 is started by arranging the eccentric weights at the two ends of the vibration motor 18, the vibration motor 18 is started, the two eccentric weights rotate to generate exciting force to drive the bottom frame 16 connected with the vibration motor 18 to vibrate, the vibration is transmitted to the spring 14 through the bottom frame 16, the vibration effect of the bottom frame 16 is enhanced by the vibration characteristic generated after the spring 14 is stressed, the vibration effect of the screening frame 24 and the screen assemblies 26 connected with the bottom frame 16 is further enhanced, the motion state, the speed and the track of the materials above the screen assemblies 26 are continuously changed, and the fine materials are continuously screened and discharged from the fine material port 22; while the coarse material remains above the screen assembly 26 and cannot pass through the screen assembly 26 to be discharged from the coarse material port 28 for the purpose of screening the material; the lower frame 20 can be replaced by connecting the lower frame 20 in the bottom frame 16, so that the step of cleaning the bottom frame 16 after each screening is reduced; and fine material port 22 and coarse material port 28 set up horizontally, can make the material discharge slowly through the vibration, but not roll off by gravity to ensure the screening quality, avoid the thick and thin material to still mixed problem after screening to produce.

Specifically, the vibration motor 18 adopts a ZDJ-0.55-4 vibration motor produced by Hongda vibration equipment Limited company in New rural areas, and the vibration amplitude of the motor can be adjusted by adjusting the phase angles of the upper and lower ends of two eccentric weights, so that the motion track of materials on the screen surface can be changed, the screening speed can be adjusted, and the production requirement can be met.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the screen assembly 26 further includes: a first net mount 261, a screen body 262, and a second net mount 263; the first net frame 261 is attached to the lower frame 20; the screen body 262 is covered above the first net rack 261; the second net frame 263 covers the screen body 262, and the second net frame 263 is connected to the first net frame 261.

In this embodiment, the first net rack 261 is attached to the lower frame 20, so as to support the first net rack 261; establish the top at first rack 261 through covering screen cloth body 262 to establish the top at screen cloth body 262 with second rack 263 lid, and second rack 263 is connected with first rack 261, in order to with screen cloth body 262 pressfitting, tensioning, avoid screen cloth body 262 to cave in downwards, lead to the material to pile up, thereby ensure screening quality and efficiency, the material that can sieve out different granularities is directly changed to the while, easy operation.

In an embodiment of the present invention, preferably, as shown in fig. 1, the vibrating screen device further includes: a first spring seat 34 and a first spring seat 36; the first spring seat 34 is embedded in one end of the spring 14, and the first spring seat 34 is connected with the support plate 12; a first spring seat 36 is embedded in the other end of the spring 14, and the first spring seat 36 is connected with the base frame 16.

In this embodiment, one end of the spring 14 is restrained by embedding the first spring seat 34 into one end of the spring 14, with the first spring seat 34 connected to the support plate 12; the first spring seat 36 is embedded into the other end of the spring 14, and the first spring seat 36 is connected with the bottom frame 16 to limit the other end of the spring 14, so that the spring 14 is prevented from inclining when stretching and contracting, the stability of the spring 14 in vibration is ensured, the continuity of the screening process is ensured, and the screening efficiency is ensured.

In an embodiment of the present invention, preferably, as shown in fig. 1, the vibrating screen device further includes: a first collar 38 and a second collar 40; the first beam ring 38 is sleeved on the outer sides of the base 10 and the screening frame 24; the second collar 40 is simultaneously fitted over the outside of the screen frame 24 and the dust cap 30.

In this embodiment, the first beam ring 38 is sleeved on the outer sides of the bottom frame 16 and the screening frame 24 at the same time to connect the bottom frame 16 and the screening frame 24, so that the bottom frame 16 and the screening frame 24 move synchronously to drive the screen assembly 26 and the material to move, and the effect of vibration screening is achieved; through the outside of the suit at screening frame 24 and shield 30 simultaneously with second collar 40 to avoid equipment when operating condition, shield 30 rocks, produces the noise, ensures shield 30's stability.

In an embodiment of the present invention, preferably, as shown in fig. 3, the first collar 38 further includes: a first body 381, a first adjustment port 382, a first mounting part 383, a first threaded hole, a first bolt 384, and a first nut 385; the first adjusting port 382 penetrates the first body 381; the two first mounting parts 383 are connected to both ends of the first body 381, respectively; the inner wall of the first threaded hole is provided with a first internal thread, and the two first threaded holes respectively penetrate through the two first mounting parts 383; the outer wall of the first bolt 384 is provided with a first external thread, and the first bolt 384 simultaneously passes through the two first threaded holes; the inner wall of the first nut 385 is provided with a first internal thread, the first nut 385 is sleeved on the outer side of the first bolt 384, and the first nut 385 is attached to one of the first mounting portions 383.

In this embodiment, the first body 381 is installed by penetrating the first adjusting port 382 through the first body 381 to facilitate adjusting the tightness of the first body 381; by connecting the two first mounting parts 383 with both ends of the first body 381, respectively, the tightness of the first body 381 can be adjusted by locking the first mounting parts 383; through being provided with first internal thread at the inner wall of first screw hole, two first screw holes run through two first installation departments 383 respectively, and be provided with first external screw thread at the outer wall of first bolt 384, first bolt 384 passes two first screw holes simultaneously, and with first nut 385 suit in the outside of first bolt 384, and first nut 385 is laminated with one of them first installation department 383, with the distance between two first installation departments 383 is adjusted through first bolt 384 and first spiral shell, thereby realize after first body 381 installs, the technical effect of adjustment first collar 38 elasticity, it is convenient to adjust, easy operation.

In an embodiment of the present invention, preferably, as shown in fig. 4, the second collar 40 further includes: a second body 401, a second adjustment hole 402, a second mounting portion 403, a second threaded hole, a second bolt 404, and a second nut 405; the second adjusting port 402 penetrates through the second body 401; the two second mounting parts 403 are respectively connected with two ends of the second body 401; second internal threads are formed in the inner wall of the second threaded hole, and the two second threaded holes respectively penetrate through the two second mounting portions 403; the outer wall of the second bolt 404 is provided with a second external thread, and the second bolt 404 simultaneously penetrates through the two second threaded holes; the inner wall of the second nut 405 is provided with a second internal thread, the second nut 405 is sleeved on the outer side of the second bolt 404, and the second nut 405 is attached to one of the second mounting portions 403.

In this embodiment, the tightness of the second body 401 is adjusted by penetrating the second adjustment port 402 through the second body 401 to facilitate the installation of the second body 401; by connecting two second mounting parts 403 with both ends of the second body 401, respectively, the tightness of the second body 401 can be adjusted by tightening the second mounting parts 403; be provided with the second internal thread through the inner wall at the second screw hole, two second screw holes run through two second installation departments 403 respectively, and be provided with the second external thread at the outer wall of second bolt 404, second bolt 404 passes two second screw holes simultaneously, and with second nut 405 suit in the outside of second bolt 404, and second nut 405 laminates with one of them second installation department 403 mutually, with adjust the distance between two second installation departments 403 through second bolt 404 and second spiral shell, thereby realize after second body 401 installs, the technical effect of adjustment second collar 40 elasticity, and it is convenient to adjust, and is easy to operate.

In an embodiment of the present invention, preferably, as shown in fig. 1 and 5, the vibratory screening device further comprises: a seal cap 42; the sealing cover 42 is disposed over the feed opening 32.

In this embodiment, the sealing cover 42 is disposed above the feeding hole 32 to prevent the material from vibrating and flying, and prevent external pollutants from entering, thereby ensuring cleanliness of the device and preventing the material from being polluted.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A vibratory screening device, comprising:

the base is a hollow cavity with an opening at one end;

the supporting plate is arranged on the outer side of the base in a winding mode along the circumferential direction of the base and is connected with the base;

the springs are arranged on the supporting plate along the circumferential direction of the supporting plate, and one ends of the springs are connected with the supporting plate simultaneously;

the bottom frame is a hollow cavity with an opening at one end, and is connected with the other ends of the at least three springs;

the vibration motor is connected with the bottom frame, and at least part of the vibration motor is embedded into the base;

the lower object frame is a hollow cavity with an opening at one end and is embedded into the bottom frame, and the lower object frame is connected with the bottom frame;

the fine material port extends in the tangential direction away from the lower object frame, is arranged on the side wall of the lower object frame, and penetrates through the bottom frame;

the screening frame is a hollow cavity with openings at two ends, is positioned above the lower object frame and is connected with the bottom frame;

a screen assembly fixed between the lower frame and the screen frame;

the coarse material port extends in the tangential direction away from the screening frame, the coarse material port is arranged on the side wall of the lower material frame, and the coarse material port and the fine material port are respectively positioned on two sides of the base;

the dustproof cover is positioned above the screening frame and is connected with the screening frame;

the feed inlet is arranged at the top of the dustproof cover.

2. The vibratory screening device of claim 1, wherein the screen assembly further comprises:

the first net rack is attached to the lower object frame;

the screen body is covered above the first net rack;

the second net rack, the second net rack lid is established the top of screen cloth body, just the second net rack with first net rack is connected.

3. A vibratory screening device as set forth in claim 2 further including:

a first spring seat embedded in one end of the spring and connected with the support plate;

and the second spring seat is embedded into the other end of the spring and is connected with the bottom frame.

4. A vibratory screening device as set forth in claim 3 further comprising:

the first bundling ring is sleeved on the outer sides of the bottom frame and the screening frame at the same time;

and the second binding ring is sleeved on the screening frame and the outer side of the dust cover at the same time.

5. The vibratory screening device of claim 4, wherein said first beam loop further comprises:

a first body;

the first adjusting port penetrates through the first body;

the two first mounting parts are respectively connected with two ends of the first body;

the inner wall of the first threaded hole is provided with first internal threads, and the two first threaded holes respectively penetrate through the two first mounting parts;

the outer wall of the first bolt is provided with a first external thread, and the first bolt simultaneously penetrates through the two first threaded holes;

the first nut is sleeved on the outer side of the first bolt, and the first nut is attached to one of the first mounting parts.

6. The vibratory screening device of claim 5, wherein said second collar further comprises:

a second body;

the second adjusting port penetrates through the second body;

the two second mounting parts are respectively connected with two ends of the second body;

the inner wall of the second threaded hole is provided with a second internal thread, and the two second threaded holes respectively penetrate through the two second mounting parts;

the outer wall of the second bolt is provided with second external threads, and the second bolt simultaneously penetrates through the two second threaded holes;

and a second nut, wherein a second internal thread is arranged on the inner wall of the second nut, the second nut is sleeved on the outer side of the second bolt, and the second nut is attached to one of the second mounting parts.

7. The vibratory screening device of claim 6, further comprising:

and the sealing cover is arranged above the feeding hole in a covering manner.

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