A suspended flat rotary screen with side-drawn screen replacement

Abstract

The present invention relates to the technical field of screening equipment, in particular to a suspended flat rotary screen for replacing screens by side-drawing, comprising a swing frame, support frames are placed on both sides of the swing frame, front and rear ends of the inner wall of the support frame are connected to the surface of the swing frame by steel chains, a swing driving mechanism is arranged on one outer wall of the swing frame, and a rocker arm is movably connected to the other outer wall of the swing frame; a screen shell, one end face of the screen shell is movably connected to the rocker arm, a fixing frame is fixedly connected to the top and bottom of the interior of the screen shell, and connecting columns are arranged on both sides of the front ends of the upper and lower adjacent fixing frames; a connecting component comprises an empty tube arranged inside an adjusting groove and a first connecting rod fixedly connected to one side of the empty tube surface; and a self-elastic component comprises a limit rod fixed on the inner wall of the slide groove and a limit block and a second spring sleeved on the outer wall of the limit rod; the suspended flat rotary screen has high screen replacement efficiency, rapid adjustment of the screen hole aperture, and convenient operation when in use.

Description

Technical Field

[0001] The invention relates to the technical field of screening equipment, and in particular to a suspended flat rotary screen for replacing screen meshes by side-drawing. Background Art

[0002] Screening machinery is a mechanical equipment used to sort various raw materials and primary products into several grades according to the particle size through the screen by rotating, vibrating, reciprocating, shaking and other actions, or to remove moisture, impurities, etc., and then carry out the next step of processing and improve product quality. There are many types of screening machinery, including: fixed screen, cylindrical screen, linear vibrating screen, resonance screen, etc., and the flat rotary screen is one of the new screening equipment;

[0003] The flat rotary screen has the advantages of reasonable design, simple structure, stable operation, fully enclosed structure, dust-free, anti-blocking, anti-sticking, etc., especially for the screening of urea with strong hygroscopicity, high viscosity, easy to block holes and stick to the net. Due to the adoption of the plane rotary motion principle, the dynamic-static ratio and basic dynamic load of the equipment are effectively reduced. The equipment adopts a flat rotary vibrating screen to vibrate up and down, and there is an automatic cleaning device under the net. Compared with the traditional linear screen, it increases the life of the wire mesh, has low noise, large screening area, and high efficiency. It is also widely used in screening operations in the chemical, grain processing, refractory materials, building materials and other industries. For example, the existing public document CN114101052A-A new side-opening pull-out flat rotary screen discloses a flat rotary screen with a side-replaceable screen;

[0004] Although the existing publicly available suspended flat rotary screen can realize material screening, it still has certain shortcomings in actual use: first, the existing new side-opening pull-out flat rotary screen first uses snap buckles and L-shaped snap buckles to realize the opening and closing of the door panel, and uses the screen sliding frame to install the sliding screen, but this method has a large number of snap buckles and L-shaped snap buckles, the operation process is relatively cumbersome, and the screen can only be disassembled and assembled separately, which is time-consuming and labor-intensive, and the work efficiency is low; secondly, the screen holes in the existing new side-opening pull-out flat rotary screen cannot be quickly adjusted and changed in real time. Changes require shutdown and re-disassembly of the screen with the appropriate aperture. However, this method involves complicated steps for disassembling and replacing the screen, which is time-consuming and labor-intensive, and has low work efficiency. In addition, the machine needs to be shut down to replace the screen, which affects the continuity of material screening. Finally, the existing new side-opening pull-out flat rotary screen mainly drives the material on the flat rotary screen to vibrate by a swing drive motor, and completes the unloading after the material is screened. However, in this method, the material may get stuck in the sieve holes on the screen, thereby affecting the vibrating efficiency and effect of the subsequent material. Therefore, it is necessary to improve the existing technology to solve the above technical problems. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the problem that the existing new side-opening pull-out flat rotary screen can only be operated individually when the screen is disassembled and replaced, which is time-consuming and labor-intensive, and the operation process is relatively cumbersome and the work efficiency is low, a suspended flat rotary screen with side-pulling screen replacement is proposed.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a suspended flat rotary screen for replacing the screen mesh from the side, comprising a swing frame, support frames are placed on both sides of the swing frame, the front and rear ends of the inner wall of the support frame are connected to the surface of the swing frame by steel chains, a swing driving mechanism is provided on one outer wall of the swing frame, and a rocker arm is movably connected to the other outer wall of the swing frame; a screen shell, one end face of the screen shell is movably connected to the rocker arm, a fixed frame is fixedly connected to the upper and lower parts of the interior of the screen shell, a slide groove is arranged in an array on the front end face of the fixed frame along its inclination direction, connecting columns are provided on both sides of the front ends of the upper and lower adjacent fixed frames, an adjustment groove is provided at the center of the front end face of the connecting column, and through grooves are provided on the upper and lower parts of the outer wall of the connecting column at the rear end. A rotating groove is provided directly in front of the through groove; a connecting assembly comprises an empty tube arranged inside the adjusting groove and a first connecting rod fixedly connected to one side of the surface of the empty tube, a tension spring is sleeved on the outer side of the outer wall of the first connecting rod, the other end of the first connecting rod passes through a through hole on the inner wall of one side of the adjusting groove and is connected to the first tooth plate, a first toothed disc is provided on one side of the first toothed disc, a rotating rod is fixedly connected at the center position of the rear end surface of the first toothed disc, and the other end of the rotating rod passes through a bearing on the inner wall of the rotating groove and is connected to the second toothed disc; and a self-elastic assembly comprises a limit rod fixed on the inner wall of the slide groove and a limit block and a second spring sleeved on the outer wall of the limit rod, wherein the limit block is located at the front end of the second spring, and the inner wall of the limit block is slidingly connected to the inner side wall of the slide groove.

[0008] As a preferred solution of the present invention, a suspended flat rotary screen with side-drawn screen replacement is provided, wherein: a feeding port is arranged on one side of the top of the screen shell, a plurality of discharge ports are opened from top to bottom on one end surface of the screen shell, a pulling hole is opened on the front end surface of the screen shell, and a sliding hole is opened at the rear of the other end surface of the screen shell.

[0009] As a preferred solution of the present invention, a suspended flat rotary screen for replacing the screen by side-drawing, wherein: the fixed frame is inclined in the vertical section, the interior of the fixed frame is slidably connected with a pull-out frame along its inclined direction, the front ends of the outer walls on both sides of the pull-out frame are provided with card grooves, the interior of the pull-out frame is installed with an upper screen body, and the middle parts of the outer walls on both sides of the pull-out frame are fixedly connected with slides; wherein the slides are slidably inserted into the interiors of adjacent slide grooves, and the slides are slidably sleeved on the outer walls of the limit rods.

[0010] As a preferred solution of the suspended flat rotary screen for replacing the screen mesh from the side of the present invention, second tooth plates are arranged above and below the second tooth disc, a clamping block is penetrated and connected to the other end of the second tooth plate, limiting holes are arranged on both sides of the front end surface of the empty tube, a telescopic rod is fixedly installed on the inner wall of the empty tube, and a first spring is sleeved on the outer wall of the telescopic rod.

[0011] As a preferred solution of a suspended plane rotary screen for side-drawn replacement of the screen mesh of the present invention, wherein: both ends of the telescopic rod are equipped with plug rods, one side of the front end face of the plug rod is fixedly connected to the second connecting rod, and the other end of the second connecting rod passes through the limiting hole and is connected to the lever; wherein the two ends of the tension spring are respectively fixed to the adjacent end faces of the empty tube and the adjusting groove, the rack on the outer wall of the first tooth plate is meshed with the rack on the outer wall of the first tooth disc, and the rack on the outer wall of the second tooth disc is meshed with the rack on the second tooth plate, the adjusting groove and the rotating groove are vertically correspondingly arranged, the first tooth plate and the first tooth disc are both located inside the rotating groove, the second tooth disc and the second tooth plate are both located inside the through groove, adjacent plug rods are respectively located at the two ends inside the empty tube, the outer ends of the plug rods pass through the through holes on the inner wall of the adjusting groove, and the first spring is located between adjacent plug rods.

[0012] The beneficial effects of the present invention are as follows: through the connecting component and the self-elastic component, the plug rods at both ends of the empty tube are moved under the elastic performance of the first spring, so as to realize or cancel the limiting effect between the plug hole on the pull-out hole, thereby canceling the limiting effect on the connecting column, and then the two connecting columns and the corresponding multiple pull-out frames can be pulled out synchronously, so as to realize the rapid disassembly and assembly of multiple upper screen bodies, save time and labor, and have high work efficiency, and drive the first tooth plate to move under the elastic performance of the tension spring, and drive the clamping block to move under the action of the first tooth plate, the second tooth plate, the rotating rod and the second tooth plate and other structures, so as to realize or cancel the limiting effect between the clamping groove, thereby facilitating the rapid separation and connection of the connecting column and the pull-out frame, and realize the rapid disassembly and assembly of a single upper screen body, save time and labor, and have high work efficiency, and at the same time, the corresponding pull-out frame can be popped out under the elastic performance of the second spring, so as to realize the purpose of automatic pop-up of the upper screen body and improve the disassembly efficiency.

[0013] In view of the fact that the sieve holes of the existing new side-opening pull-out flat rotary screen cannot be quickly adjusted and changed in real time, it is necessary to stop the machine to replace the sieve with a suitable aperture, which leads to low work efficiency and affects the continuity of material screening. Therefore, a further improvement of the suspended flat rotary screen with side-pull replacement of the screen is proposed.

[0014] As a preferred solution of the suspended flat rotary screen for replacing the screen mesh by side-drawing of the present invention, it also includes an adjusting component arranged on the end face of the other side of the screen shell, the adjusting component includes a fixed frame fixed on the outer wall of the screen shell and a sliding frame slidably connected to the inside thereof, a first motor is installed inside the sliding frame, an active conical wheel is installed on the output shaft of the first motor, a driven conical wheel is arranged above and below the active conical wheel, a threaded rod is fixedly connected to the inner wall of the driven conical wheel, and the other end of the threaded rod sequentially penetrates the bearing on the front end face of the U-shaped plate and the threaded hole on the slider to be connected to the bearing on the inner wall of the U-shaped plate.

[0015] As a preferred solution of a suspended flat rotary screen for side-drawn replacement of screen mesh of the present invention, wherein: one side end face of the slider is fixedly connected with a connecting plate, the other end of the connecting plate passes through a sliding hole and is placed inside the screen shell, the connecting plate is inclined in the vertical section, and the surface of the connecting plate is arrayed with a lower screen mesh body along its inclined direction; wherein, one side end face of the U-shaped plate is fixed to the outer wall of the screen shell, an electromagnetic block is embedded on the inner wall of the fixed frame, and there is magnetic attraction between the electromagnetic block and the iron block on the sliding frame, the rack on the outer wall of the active conical wheel is meshed with the rack on the outer wall of the driven conical wheel, the external thread on the outer wall of the threaded rod is spirally matched with the threaded hole on the slider, and the lower screen mesh body is attached to the bottom of the upper screen mesh body.

[0016] Another beneficial effect of the present invention is: by setting an adjustment component, the position of the first motor is first adjusted by using the electromagnetic block and the iron block on the sliding frame, and then the operation of the first motor can drive the corresponding lower screen to move along the bottom of the upper screen body, so that the upper screen body and the lower screen body are alternately arranged, thereby achieving the purpose of partially blocking the sieve holes in the upper screen body, and achieving the effect of changing the aperture size of the sieve holes of the sieve. It can be adjusted during the operation of the equipment, has high working efficiency, and can achieve the purpose of continuity of material screening.

[0017] In view of the problem that materials may get stuck in the sieve holes on the existing new side-opening pull-out flat rotary screen during use, thereby affecting the subsequent material vibrating efficiency and effect, a further improvement of a suspended flat rotary screen with side-drawn screen replacement is proposed.

[0018] As a preferred solution of the suspended flat rotary screen for replacing the screen mesh from the side of the present invention, it also includes a circulating sweeping assembly arranged at the rear of the screen shell, the circulating sweeping assembly includes a second motor installed on the rear end surface of the screen shell and a rotating shaft installed on its output shaft through a coupling, and the other end of the rotating shaft passes through the bearing on the rear end surface of the screen shell and is connected to the driving sprocket.

[0019] As a preferred solution of the present invention, a suspended flat rotary screen with side-drawn screen replacement is provided, wherein: a chain is sleeved on the outer wall of the driving sprocket, an auxiliary sprocket is installed on the other side of the chain, and sweeping brushes are evenly installed on the front end surface of the chain; wherein the auxiliary sprocket is rotatably connected to the inner wall of the screen shell.

[0020] Another beneficial effect of the present invention is that by setting up a circulating sweeping component, the operation of the second motor can drive the chain to rotate cyclically, thereby driving the sweeping brush on the chain to move cyclically and clean the surface of the upper screen body, thereby achieving the purpose of cleaning the stuck materials in the sieve holes of the upper screen body, avoiding affecting the vibrating efficiency and effect of subsequent materials, and at the same time reducing the frequency of replacing the upper screen body and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 The overall structure of the suspended flat rotary screen for replacing the screen mesh by side drawer in the present invention is shown in FIG. Figure 1 .

[0023] Figure 2 The overall structure of the suspended flat rotary screen for replacing the screen mesh by side drawer in the present invention is shown in FIG. Figure 2 .

[0024] Figure 3 For the present invention Figure 2 Schematic diagram of the sieve shell structure Figure 1 .

[0025] Figure 4 For the present invention Figure 2 Schematic diagram of the sieve shell structure Figure 2 .

[0026] Figure 5 For the present invention Figure 3 Vertical cross-section of the sieve housing in structure.

[0027] Figure 6 For the present invention Figure 5 Schematic diagram of the structure of the fixed frame.

[0028] Figure 7 For the present invention Figure 6 Schematic diagram of the disassembly of the fixing frame in the structure.

[0029] Figure 8 For the present invention Figure 6 Schematic diagram of the structure connecting the columns.

[0030] Fig. 9 For the present invention Figure 8 A vertical section view of a connected column in a structure.

[0031] Fig.10 For the present invention Fig. 9 Schematic diagram of the structure connecting components in the structure.

[0032] Fig.11 For the present invention Fig.10 Schematic diagram of the disassembly of the hollow tube in the structure.

[0033] Fig.12 For the present invention Figure 7 Schematic diagram of the structure of the self-elastic component in the structure.

[0034] Fig.13 For the present invention Figure 5 Schematic diagram of the disassembled adjustment components in the structure.

[0035] Fig.14 For the present invention Fig.13 Schematic diagram of the disassembly of the fixed frame and sliding frame in the structure.

[0036] Fig.15 For the present invention Figure 5 Schematic diagram of the structure of the cyclic sweep component in the structure.

[0037] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0038] 100, swing frame; 101, support frame; 102, swing drive mechanism; 103, rocker arm; 200, screen shell; 201, feeding port; 202, discharge port; 203, pull-out hole; 204, slide hole; 205, fixed frame; 205a, slide slot; 206, pull-out frame; 206a, card slot; 206b, upper screen body; 206c, slide plate; 207, connecting column; 207a, adjustment slot; 207b, through slot; 207c, rotating slot; 300, connecting assembly; 301, empty pipe; 301a, limit hole; 302, first connecting rod; 302a, first tooth plate; 303, tension spring; 304, rotating rod; 304a, first tooth disc; 304b, second tooth disc; 305, card block; 305a, second Tooth plate; 306, telescopic rod; 306a, plug rod; 306b, second connecting rod; 306c, push rod; 307, first spring; 400, self-elastic component; 401, limit rod; 402, limit block; 403, second spring; 500, adjustment component; 501, fixed frame; 501a, electromagnetic block; 502, sliding frame; 503, first motor; 503a, active conical wheel; 504, threaded rod; 504a, driven conical wheel; 505, slider; 505a, connecting plate; 506, U-shaped plate; 507, lower screen body; 600, circulating sweeping component; 601, second motor; 601a, rotating shaft; 602, active sprocket; 603, chain; 604, auxiliary sprocket; 605, sweeping brush. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0041] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0042] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included. Example 1

[0043] Reference Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.12 , which is the first embodiment of the present invention. This embodiment provides a suspended flat rotary screen for replacing screens by side-drawing. The suspended flat rotary screen connects the connecting column 207 with multiple upper screen bodies 206b through a connecting assembly 300, thereby realizing rapid disassembly and assembly of multiple screens or a single screen, saving time and effort, and the corresponding pull-out frame 206 can be automatically popped out under the elastic performance of the second spring 403, thereby improving disassembly efficiency.

[0044] Specifically, the swing frame 100, support frames 101 are placed on both sides of the swing frame 100, the front and rear ends of the inner wall of the support frame 101 are connected to the surface of the swing frame 100 through steel chains, a swing driving mechanism 102 is provided on one outer wall of the swing frame 100, and a rocker arm 103 is movably connected to the other outer wall of the swing frame 100; the sieve shell 200, one end face of the sieve shell 200 is movably connected to the rocker arm 103, the upper and lower parts of the interior of the sieve shell 200 are fixedly connected with fixed frames 205, the front end face of the fixed frame 205 is arrayed with slide grooves 205a along its inclined direction, connecting columns 207 are provided on both sides of the front ends of the upper and lower adjacent fixed frames 205, an adjusting groove 207a is provided at the center position of the front end face of the connecting column 207, and a through groove 207b is provided on the upper and lower parts of the outer wall of the connecting column 207. A rotating groove 207c is arranged directly in front of 207b; the connecting component 300 includes an empty tube 301 arranged inside the adjusting groove 207a and a first connecting rod 302 fixedly connected to one side of the surface of the empty tube 301, a tension spring 303 is sleeved on the outer side of the outer wall of the first connecting rod 302, the other end of the first connecting rod 302 passes through the through hole on the inner wall of one side of the adjusting groove 207a and is connected to the first tooth plate 302a, and a first toothed disc 304a is arranged on one side of the first tooth plate 302a; and, a self-elastic component 400 includes a limiting rod 401 fixed on the inner wall of the slide groove 205a and a limiting block 402 and a second spring 403 sleeved on the outer wall of the limiting rod 401, wherein the limiting block 402 is located at the front end of the second spring 403, and the inner wall of the limiting block 402 is slidingly connected to the inner side wall of the slide groove 205a.

[0045] For details, please refer to Fig. 9 , Fig.10 and Fig.11 A rotating rod 304 is fixedly connected to the center position of the rear end surface of the first toothed disc 304a, and the other end of the rotating rod 304 passes through the bearing on the inner wall of the rotating groove 207c and is connected to the second toothed disc 304b. Second tooth plates 305a are arranged above and below the second toothed disc 304b, and the other end of the second toothed plate 305a is penetrated and connected with a clamping block 305. Limiting holes 301a are provided on both sides of the front end surface of the empty tube 301, and a telescopic rod 306 is fixedly installed on the inner wall of the empty tube 301. A first spring 307 is sleeved on the outer wall of the telescopic rod 306, and an insertion rod 306a is installed at both ends of the telescopic rod 306. One side of the front end surface of the insertion rod 306a is fixedly connected to the second connecting rod 306b, and the other end of the second connecting rod 306b passes through the limiting hole 301a and the dial The first tooth plate 302a and the second tooth plate 304a are connected to each other by the rod 306c; wherein, the two ends of the tension spring 303 are respectively fixed on the adjacent end faces of the empty tube 301 and the adjusting groove 207a, the rack on the outer wall of the first tooth plate 302a is meshed with the rack on the outer wall of the first tooth disc 304a, the rack on the outer wall of the second tooth disc 304b is meshed with the rack on the second tooth plate 305a, the adjusting groove 207a and the rotating groove 207c are vertically correspondingly arranged, the first tooth plate 302a and the first tooth disc 304a are both located inside the rotating groove 207c, the second tooth disc 304b and the second tooth plate 305a are both located inside the through groove 207b, the adjacent insertion rods 306a are respectively located at the two ends inside the empty tube 301, the outer ends of the insertion rods 306a pass through the through holes on the inner wall of the adjusting groove 207a, and the first spring 307 is located between the adjacent insertion rods 306a;

[0046] When the above arrangement is in use, the material to be screened is put into the screen shell 200 through the feeding port 201, and then the screen shell 200 is driven to shake through the swing driving mechanism 102, so that the screen shell 200 cooperates with the rocker arm 103 to drive the swing frame 100 to shake, and the vibration of the screen shell 200 will drive the material inside it to vibrate, and cooperate with the upper screen body 206b to screen the material, and after the material is screened, it is discharged from different discharge ports 202. The upper screen body 206b is severely worn due to long-term use and needs to be replaced regularly. Then, the lever 306c on the upper and lower sides of the adjusting slot 207a in the connecting column 207 is pushed toward the middle, and the lever 306c is forced to drive the plugging rods 306a on both sides to move through the second connecting rod 306b. After the force is applied, the plug rod 306a will be stored in the empty tube 301, and the telescopic rod 306 and the first spring 307 will be squeezed. The plug rod 306a will move into the empty tube 301, canceling the limiting effect on the connecting column 207. At this time, the plug rod 306a will move out of the plug hole on the adjacent inner wall of the pull-out hole 203, and then force will be applied to the two groups of connecting columns 207 on both sides. Since the connecting column 207 is installed in the middle of the four adjacent pull-out frames 206 around it, and the slide plate 206c on the outer wall of the pull-out frame 206 is slidably connected in the slide groove 205a and located on the outer wall of the limiting rod 401, when the pull-out frame 206 is located in the fixed frame 205, it will push the limiting block 402 for a long time and squeeze the second spring 403. After the limiting effect of the connecting column 207 disappears, this When the sliding plate 206c is pushed out for a certain distance by the elastic performance of the second spring 403, the multiple pull-out frames 206 connected to the connecting column 207 are automatically and synchronously pushed out, so that the multiple upper screen bodies 206b can be quickly disassembled and assembled, which saves time and effort and has high work efficiency. When it is necessary to disassemble and assemble the upper screen body 206b separately, the empty tube 301 is pulled toward the middle of the adjusting groove 207a. The empty tube 301 is subjected to the force to drive the first tooth plate 302a to move through the first connecting rod 302, and pull the tension spring 303. The rack on the outer wall of the first tooth plate 302a is meshed with the rack on the outer wall of the adjacent first tooth disc 304a. Therefore, when the first tooth plate 302a moves, the first tooth disc 304a is driven to rotate synchronously, and the first tooth disc 304a and the first tooth disc 304a are connected to each other. The two toothed discs 304b are respectively mounted at both ends of the rotating rod 304, so when the first toothed disc 304a rotates, the second toothed disc 304b will be driven to rotate synchronously under the action of the rotating rod 304, and the rack on the outer wall of the second toothed disc 304b is meshed with the rack on the outer wall of the upper and lower corresponding second toothed plates 305a. Therefore, when the second toothed disc 304b rotates, the upper and lower corresponding second toothed plates 305a will be driven to move toward the middle, and the movement of the second toothed plates 305a will pull the outer clamping block 305 to move into the through groove 207b, so that the clamping block 305 moves out of the corresponding clamping groove 206a on the outer wall of the drawer frame 206, thereby canceling the limiting effect of the clamping block 305 on the drawer frame 206. At this time, the corresponding drawer frame 206 will automatically pop out under the action of the second spring 403.Then, force is applied to the pull-out frame 206 to pull it out, and then the upper screen body 206b can be disassembled and replaced. The same is true for installation, which is convenient for staff to operate and realizes the rapid disassembly and assembly of multiple screens, saving time and effort, reducing work efficiency, reducing the steps of disassembling and assembling the screens, and improving efficiency.

[0047] Furthermore, the swing frame 100 is suspended inside the support frames 101 on both sides by steel chains, and the sieve shell 200 is installed on the surface of the swing frame 100. The swing drive mechanism 102 and the rocker arm 103 are both existing technologies, so they are not described in detail here. A plurality of mounting slots are provided at the front end of the fixed frame 205, and the pulling frame 206 is slidably installed in the mounting slots on the fixed frame 205. The empty tube 301 and the first tooth plate 302a are connected by the first connecting rod 302, which plays a role in connecting transmission. The first tooth plate 302a and the first tooth disc 304a are engaged for transmission, and the second tooth disc 304b and the second tooth plate 305a are engaged for transmission, which plays a role in transmission. The limit block 402 limits the second spring 403. The telescopic rod 306 is telescopic at both ends, and can extend or contract the corresponding insertion rod 306a, and can drive the insertion rod 306a to move under the elastic performance of the first spring 307.

[0048] Read in detail Figure 2 , Figure 3 , Figure 4 and Figure 7 As shown, a feeding port 201 is provided on one side of the top of the sieve shell 200, a plurality of discharge ports 202 are provided on one end surface of the sieve shell 200 from top to bottom, a pulling hole 203 is provided on the front end surface of the sieve shell 200, and a sliding hole 204 is provided at the rear of the other end surface of the sieve shell 200; the fixed frame 205 is inclined in the vertical section, and the interior of the fixed frame 205 is slidably connected with a pulling frame 206 along its inclined direction, and the front ends of the outer walls on both sides of the pulling frame 206 are provided with card grooves 206a, and the interior of the pulling frame 206 is installed with an upper sieve body 206b, and a slide plate 206c is fixedly connected to the middle of the outer walls on both sides of the pulling frame 206; wherein, the slide plate 206c is slidably inserted into the interior of the adjacent slide groove 205a, and the slide plate 206c is slidably sleeved on the outer wall of the limit rod 401.

[0049] Furthermore, the pull-out rack 206 and the connecting column 207 can be slidably connected to the interior of the sieve shell 200 through the sliding hole 204, the card slot 206a and the card block 305 are arranged in a one-to-one correspondence, the slide plate 206c can slide into the slide slot 205a, and can be sleeved on the outer wall of the limiting rod 401. After the slide plate 206c slides in, it can apply force to the limiting block 402 to squeeze the second spring 403. After the pull-out rack 206 is installed inside the sieve shell 200, the second spring 403 is always in a compressed state. Example 2

[0050] Reference Figure 5 , Fig.13 and Fig.14 , which is the second embodiment of the present invention, is based on the previous embodiment, and the difference is that, in order to quickly adjust the aperture of the sieve holes in the upper screen body 206b, the electromagnetic block 501a is used to adjust the height position of the first motor 503, and then the first motor 503 is operated to adjust the position of the lower screen body 507, so that the upper screen body 206b and the lower screen body 507 are alternately arranged, thereby achieving the purpose of partially blocking the sieve holes in the upper screen body 206b.

[0051] Specifically, it also includes an adjustment component 500 arranged on the end surface of the other side of the sieve shell 200, the adjustment component 500 includes a fixed frame 501 fixed on the outer wall of the sieve shell 200 and a sliding frame 502 slidably connected to the inside thereof, a first motor 503 is installed inside the sliding frame 502, an active conical wheel 503a is installed on the output shaft of the first motor 503, and a driven conical wheel 504a is arranged above and below the active conical wheel 503a, and a threaded rod 504 is fixedly connected to the inner wall of the driven conical wheel 504a, and the other end of the threaded rod 504 passes through the bearing on the front end surface of the U-shaped plate 506 and the threaded hole on the slider 505 in sequence to be connected to the bearing on the inner wall of the U-shaped plate 506; one end surface of the slider 505 is fixedly connected to a connecting plate 505a, the other end of the connecting plate 505a passes through the sliding hole 204 and is placed inside the sieve shell 200, the connecting plate 505a is inclined in the vertical section, and the surface of the connecting plate 505a is arrayed with the lower screen body 507 along its inclined direction; wherein, one end face of the U-shaped plate 506 is fixed to the outer wall of the sieve shell 200, an electromagnetic block 501a is embedded on the inner wall of the fixed frame 501, and the electromagnetic block 501a is magnetically attracted to the iron block on the sliding frame 502, the rack on the outer wall of the active conical wheel 503a is meshed with the rack on the outer wall of the driven conical wheel 504a, the external thread on the outer wall of the threaded rod 504 is spirally matched with the threaded hole on the slider 505, and the lower screen body 507 is attached to the bottom of the upper screen body 206b;

[0052] When the above arrangement is in use, when the swing drive mechanism 102 drives the sieve shell 200 to vibrate and screen materials, if it is necessary to adjust and replace the sieve with a different sieve hole diameter, firstly, the electromagnetic block 501a is energized. After the electromagnetic block 501a is energized, magnetic attraction is generated between the electromagnetic block 501a and the iron block on the sliding frame 502. Then, the position of the sliding frame 502 in the fixed frame 501 is adjusted by changing the current of the electromagnetic block 501a, so as to achieve the purpose of changing the position of the first motor 503, so that the active conical wheel 503a contacts the corresponding driven conical wheel 504a above or below, and then the first motor 503 is started. The output shaft of the first motor 503 rotates to drive the active conical wheel 503a to rotate, and the rack on the outer wall of the active conical wheel 503a is meshed with the rack on the outer wall of the corresponding driven conical wheel 504a. Therefore, when the active conical wheel 503a rotates, the driven conical wheel 504a is driven to rotate, and the driven conical wheel 50 The rotation of 4a will synchronously drive the threaded rod 504 to rotate, and the external thread on the outer wall of the threaded rod 504 is spirally matched with the threaded hole on the slider 505, so when the threaded rod 504 rotates, it will drive the slider 505 to move along its outer wall, and make the connecting plate 505a on the inner wall of the slider 505 move along the sliding hole 204, and at the same time drive multiple lower screen bodies 507 on the connecting plate 505a to move. Since the lower screen body 507 is located at the bottom of the upper screen body 206b and fits in, when the lower screen body 507 moves, it will use its surface grid to cover the sieve holes in the upper screen body 206b, so that the upper screen body 206b and the lower screen body 507 are alternately arranged, so as to partially block the sieve holes in the sieve, so as to achieve the purpose of changing the aperture size of the sieve holes, and at the same time, it can be adjusted during the operation of the equipment, with high efficiency, and the purpose of continuity of material screening can be achieved.

[0053] Furthermore, the sliding frame 502 is slidably connected to the inside of the fixed frame 501, wherein an iron block is embedded in the sliding frame 502. After the electromagnetic block 501a in the sliding frame 502 is energized, the electromagnetic block 501a and the iron block are attracted by magnetic force. The height position of the sliding frame 502 can be adjusted by using the electromagnetic block 501a and the iron block to achieve the purpose of changing the height position of the first motor 503. Two groups of driven conical wheels 504a are provided, which can achieve the purpose of transmission when in contact with the active conical wheels 503a. The connecting plate 505a on the slider 505 is located in the sliding hole 204, which can limit the slider 505. When the threaded rod 504 rotates, the position of the slider 505 on its outer wall can be adjusted to achieve the purpose of adjusting the position of the lower screen body 507. Example 3

[0054] Reference Figure 5 and Fig.15, which is the third embodiment of the present invention, is based on the above-mentioned embodiment 1, and the difference is that, in order to clean the materials in the sieve holes on the upper screen body 206b, the operation of the second motor 601 can drive the sweeping brush 605 on the chain 603 to circulate, thereby achieving the purpose of cleaning the upper screen body 206b.

[0055] Specifically, it also includes a circulating sweeping assembly 600 arranged at the rear of the sieve shell 200, the circulating sweeping assembly 600 includes a second motor 601 installed on the rear end surface of the sieve shell 200 and a rotating shaft 601a installed on its output shaft through a coupling, the other end of the rotating shaft 601a passes through the bearing on the rear end surface of the sieve shell 200 and is connected to the driving sprocket 602; a chain 603 is sleeved on the outer wall of the driving sprocket 602, an auxiliary sprocket 604 is installed on the other side of the chain 603, and sweeping brushes 605 are evenly spaced on the front end surface of the chain 603; wherein the auxiliary sprocket 604 is rotatably connected to the inner wall of the sieve shell 200;

[0056] When the above arrangement is in use, after the material inside the sieve shell 200 vibrates for a period of time, the second motor 601 is started, and the output shaft of the second motor 601 rotates to drive the rotating shaft 601a to rotate through the coupling, and the rotation of the rotating shaft 601a will drive the corresponding active sprocket 602 to rotate, and under the action of the auxiliary sprocket 604, the chain 603 on the outer wall of both is rotated in a circular manner, and the chain 603 will drive the sweeping brush 605 to move in a circular motion when the chain 603 rotates in a circular motion, and the surface of the upper screen body 206b is cleaned by the circulating sweeping brush 605, so as to achieve the purpose of cleaning the stuck materials in the sieve holes of the upper screen body 206b, avoid affecting the vibrating efficiency and effect of subsequent materials, and at the same time reduce the frequency of replacing the upper screen body 206b, saving resources.

[0057] Furthermore, a chain 603 is provided on the outer wall of the driving sprocket 602 and the auxiliary sprocket 604. When the second motor 601 is running, the chain 603 can be cyclically rotated, so that the sweeping brush 605 on the chain 603 can cyclically move to achieve the purpose of cleaning the surface of the upper screen body 206b.

[0058] In addition, it should be noted that the components not described in detail in this article are prior art.

[0059] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of a plurality of parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to a variety of modifications that still fall within the scope of the appended claims.

[0060] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0061] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0062] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A suspended flat rotary screen with side-drawn screen replacement, characterized in that: include, A swing frame (100), wherein support frames (101) are placed on both sides of the swing frame (100), the front and rear ends of the inner wall of the support frame (101) are connected to the surface of the swing frame (100) via a steel chain, a swing drive mechanism (102) is provided on the outer wall of one side of the swing frame (100), and a swing arm (103) is movably connected to the outer wall of the other side of the swing frame (100); A sieve shell (200), one side end surface of the sieve shell (200) is movably connected to the rocker arm (103), a fixing frame (205) is fixedly connected to the upper and lower parts of the interior of the sieve shell (200), a front end surface of the fixing frame (205) is provided with a slide groove (205a) in an array along its inclination direction, connecting columns (207) are provided on both sides of the front ends of the upper and lower adjacent fixing frames (205), an adjustment groove (207a) is provided at the center position of the front end surface of the connecting column (207), a through groove (207b) is provided above and below the rear end of the outer wall of the connecting column (207), a rotation groove (207c) is provided directly in front of the through groove (207b), a feeding port (201) is provided on one side of the top of the sieve shell (200), and the sieve shell (2 00) is provided with a plurality of discharge ports (202) from top to bottom on one side end surface, a pull-out hole (203) is provided on the front end surface of the sieve shell (200), a sliding hole (204) is provided at the rear of the other side end surface of the sieve shell (200), the fixed frame (205) is arranged obliquely in the vertical section, the interior of the fixed frame (205) is slidably connected with a pull-out frame (206) along its inclination direction, the front ends of the outer walls on both sides of the pull-out frame (206) are provided with card slots (206a), the interior of the pull-out frame (206) is installed with an upper screen body (206b), and the middle parts of the outer walls on both sides of the pull-out frame (206) are fixedly connected with a slide plate (206c); wherein the slide plate (206c) is slidably inserted into the interior of the adjacent slide slot (205a); The connecting assembly (300) comprises an empty tube (301) arranged inside the adjusting groove (207a) and a first connecting rod (302) fixedly connected to one side of the surface of the empty tube (301); a tension spring (303) is sleeved on the outer side of the outer wall of the first connecting rod (302); the other end of the first connecting rod (302) passes through a through hole on the inner wall of one side of the adjusting groove (207a) and is connected to a first tooth plate (302a); a first tooth disk (304a) is arranged on one side of the first tooth plate (302a); a rotating rod (304) is fixedly connected to the center position of the rear end surface of the first tooth disk (304a); the other end of the rotating rod (304) passes through a bearing on the inner wall of the rotating groove (207c) and is connected to a second tooth disk (304b) ), a second tooth plate (305a) is provided above and below the second toothed disc (304b), a clamping block (305) is penetrated and connected to the other end of the second tooth plate (305a), limiting holes (301a) are provided on both sides of the front end surface of the empty tube (301), a telescopic rod (306) is fixedly installed on the inner wall of the empty tube (301), a first spring (307) is sleeved on the outer wall of the telescopic rod (306), an insertion rod (306a) is installed at both ends of the telescopic rod (306), a second connecting rod (306b) is fixedly connected to one side of the front end surface of the insertion rod (306a), and the other end of the second connecting rod (306b) penetrates the limiting hole (301a) and is connected to the shifting rod (306c); The two ends of the tension spring (303) are respectively fixed to the adjacent end faces of the hollow tube (301) and the adjusting groove (207a); the rack on the outer wall of the first tooth plate (302a) meshes with the rack on the outer wall of the first tooth disc (304a); the rack on the outer wall of the second tooth disc (304b) meshes with the rack on the second tooth plate (305a); the adjusting groove (207a) and the rotating groove (207c) are arranged vertically correspondingly; the first tooth plate (302a) ) and the first toothed disc (304a) are both located inside the rotating groove (207c), the second toothed disc (304b) and the second toothed plate (305a) are both located inside the through groove (207b), adjacent insertion rods (306a) are respectively located at two ends inside the empty tube (301), the outer ends of the insertion rods (306a) pass through the through holes on the inner wall of the adjusting groove (207a), and the first spring (307) is located between adjacent insertion rods (306a); and, The self-elastic component (400) comprises a limit rod (401) fixed on the inner wall of the slide groove (205a), a limit block (402) sleeved on the outer wall of the limit rod (401), and a second spring (403), wherein the limit block (402) is located at the front end of the second spring (403), the inner wall of the limit block (402) is limitedly slidably connected to the inner wall of the slide groove (205a), and the slide plate (206c) is slidably sleeved on the outer wall of the limit rod (401).

2. A suspended flat rotary screen with side-drawn screen replacement as claimed in claim 1, characterized in that: The invention also comprises an adjustment component (500) arranged on the end surface of the other side of the sieve shell (200), the adjustment component (500) comprising a fixed frame (501) fixed on the outer wall of the sieve shell (200) and a sliding frame (502) slidably connected thereto, a first motor (503) being installed inside the sliding frame (502), a driving conical wheel (503a) being installed on the output shaft of the first motor (503), driven conical wheels (504a) being arranged above and below the driving conical wheel (503a), a threaded rod (504) being fixedly connected to the inner wall of the driven conical wheel (504a), the other end of the threaded rod (504) successively passing through the bearing on the front end surface of the U-shaped plate (506) and the threaded hole on the slider (505) to be connected to the bearing on the inner wall of the U-shaped plate (506).

3. A suspended flat rotary screen with side-drawn screen replacement as claimed in claim 2, characterized in that: A connecting plate (505a) is fixedly connected to one end surface of the sliding block (505); the other end of the connecting plate (505a) passes through the sliding hole (204) and is placed inside the screen shell (200); the connecting plate (505a) is arranged obliquely in a vertical cross section; and a lower screen body (507) is installed in an array on the surface of the connecting plate (505a) along its oblique direction; One end face of the U-shaped plate (506) is fixed to the outer wall of the sieve shell (200), an electromagnetic block (501a) is embedded on the inner wall of the fixed frame (501), and the electromagnetic block (501a) is magnetically attracted to the iron block on the sliding frame (502), the rack on the outer wall of the active conical wheel (503a) is meshed with the rack on the outer wall of the driven conical wheel (504a), the external thread on the outer wall of the threaded rod (504) is spirally matched with the threaded hole on the slider (505), and the lower screen body (507) is attached to the bottom of the upper screen body (206b).

4. A suspended flat rotary screen with side-drawn screen replacement as claimed in claim 1, characterized in that: The invention also comprises a circulating sweeping assembly (600) arranged at the rear of the sieve shell (200), the circulating sweeping assembly (600) comprising a second motor (601) mounted on the rear end surface of the sieve shell (200) and a rotating shaft (601a) mounted on its output shaft via a coupling, the other end of the rotating shaft (601a) passing through a bearing on the rear end surface of the sieve shell (200) and connected to a driving sprocket (602).

5. A suspended flat rotary screen with side-drawn screen replacement as claimed in claim 4, characterized in that: A chain (603) is sleeved on the outer wall of the driving sprocket (602), an auxiliary sprocket (604) is installed on the other side of the chain (603), and sweeping brushes (605) are evenly spacedly installed on the front end surface of the chain (603); Wherein, the auxiliary sprocket (604) is rotatably connected to the inner wall of the sieve shell (200).

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