A square swing screen with multiple screening modes

Abstract

The present invention relates to the technical field of screening equipment, and in particular to a square rocking screen with multiple screening modes, comprising a support frame; an outer shell; and a screening component, comprising a mounting frame arranged inside the outer shell through a mounting component, a plurality of U-shaped plates and screening strips rotatably connected to the front and rear ends of the mounting frame at equal intervals, a rotating shaft fixedly connected to the vertical support arm of the U-shaped plate, an end of the rotating shaft away from the U-shaped plate is rotatably connected to the inside of the horizontal support arm of the mounting frame, a worm gear is sleeved on the outer wall of the rotating shaft, the worm gears are all located inside the horizontal support arm of the mounting frame, a rubber sleeve is sleeved on the outer wall of the screening strip, the front and rear ends of the screening strip are both fixedly connected to the inside of the U-shaped plate, a plurality of mounting sleeves are sleeved on the outer wall of the screening strip at equal intervals along the longitudinal direction, and steel wires are fixedly connected between the left and right adjacent mounting sleeves. The device has the advantages of convenient regular inspection of whether the screening structure is blocked and convenient replacement of the screening structure, and can also achieve uniform material distribution.

Description

Technical Field

[0001] The invention relates to the technical field of screening equipment, and in particular to a square swing screen with multiple screening modes. Background Art

[0002] Screening equipment is a device that uses the relative movement between bulk materials and the screen surface to allow some particles to pass through the screen holes, and classifies materials such as sand, gravel, and crushed stone into different grades according to particle size. Screening equipment is generally divided into two categories: fixed screens and movable screens, and movable screens are further divided into rotating screens and vibrating screens. Among them, the square swing screen is one of the most common vibrating screens and is widely used in many industries such as chemical industry, metallurgy, mining, feed industry, food industry, etc., especially suitable for heavy alkali, salt, resin, compound fertilizer, large and small granular urea, feed, reduced iron powder, zirconium oxide, ceramsite, barite, etc.

[0003] The existing square swing screen is mainly composed of a shell, an exciter, a screen and other structures, such as the existing authorization document CN117181592B-a double-bin multi-layer square swing screen, but the internal screen of the existing square swing screen is prone to clogging when in use, and in order to avoid the clogging of the screen and affect the screening work, it is necessary to clean the clogging of the screen regularly, but the clogging of the screen needs to be removed from the shell, which is labor-intensive and inefficient; in addition, when the existing square swing screen is in use, the screen is usually fixed to the inside of the shell by bolts for easy disassembly and replacement, but due to the large size of the screen, it is inconvenient to remove the screen from the inside of the shell, and it is not convenient to perform regular inspection and maintenance; at the same time, when the existing square swing screen is loaded, the material cannot be evenly distributed to the multi-layer screen, and the material is easily concentrated in one place of the screen, affecting its screening efficiency; therefore, it is necessary to improve the existing technology to solve the above technical problems. Summary of the invention

[0004] 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.

[0005] In view of the problem that the conventional square swing screen is inconvenient to clean the screen mesh regularly and the screen mesh is clogged during use, a square swing screen with multiple screening modes is proposed.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a square swing screen with multiple screening modes, comprising a support frame; a shell; and a screening assembly, comprising a mounting frame arranged inside the shell through a mounting assembly, a plurality of U-shaped plates and screening strips rotatably connected to the front and rear ends of the mounting frame at equal intervals, a rotating shaft is fixedly connected to the vertical support arm of the U-shaped plate, one end of the rotating shaft away from the U-shaped plate is rotatably connected to the inside of the horizontal support arm of the mounting frame, a worm gear is sleeved on the outer wall of the rotating shaft, and the worm gear is located inside the horizontal support arm of the mounting frame, and the screening A rubber sleeve is sleeved on the outer wall of the strip, and the front and rear ends of the screening strip are fixedly connected to the inside of the U-shaped plate. A plurality of mounting sleeves are sleeved on the outer wall of the screening strip at equal intervals in the longitudinal direction, and steel wires are fixedly connected between the left and right adjacent mounting sleeves. When the screening strip is in a vertical state, the steel wire is in a relaxed state, and when the screening strip is inclined at a 45° angle, the steel wire is in a stretched state. Among them, a driving rod is rotatably connected to the lower part of the inner side of the horizontal support arm of the installation frame through a bearing seat, and a plurality of worms are sleeved on the driving rod at equal intervals in the axial direction, and the worm wheel and the worm are threadedly connected to each other.

[0007] The beneficial effects of the present invention are as follows: the driving rod is rotated, the driving rod drives the worm to rotate, the worm drives the rotating shaft to rotate through the turbine, so that the rotating shaft drives the screening bar to rotate through the U-shaped plate, and when the screening bar rotates, it drives the steel wire to move synchronously. At this time, the tightness of the steel wire changes, and then the area of ​​the "screening hole" changes, and the material stuck in the "screening hole" falls into the pull-out plate under the action of gravity and its own screening.

[0008] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, the outer shell is movably connected to the inside of the supporting frame, an exciter is fixedly connected to the center position of the front end surface of the outer shell, a movable door is rotatably connected to one side of the outer shell, and feeding troughs are longitudinally opened on the upper and lower outer walls of the movable door, a discharging shell is fixedly connected to the other side of the outer shell, a discharging shell is fixedly connected to the discharging shell with a discharging pipe, the top of the outer shell is fixedly connected to the mounting shell, the inside of the mounting shell is fixedly connected to a mounting pipe in the transverse direction, one end of the mounting pipe penetrates through one side outer wall of the mounting shell and extends to the outside of the mounting shell, a plurality of branch pipes are fixedly connected in the transverse direction at equal intervals on the front and rear end surfaces of the mounting pipe, and pull-out plates are movably connected to the upper and lower parts of the inner shell, and the pull-out plates are in an inclined state and are located below the screening component.

[0009] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, through hole 1 is opened on both sides of the longitudinal support arm of the U-shaped plate, through hole 2 is opened on both sides of the front and rear ends of the surface of the screening bar, a fastening bolt passes through the interior of through hole 1, and the bottom end of the fastening bolt passes through through hole 2 and is threadedly sleeved with a fastening nut.

[0010] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, one end of the driving rod rotates through the outer wall of one side of the mounting frame and is fixedly connected to a turntable, a plurality of positioning holes are opened on the outer wall of the turntable at equal intervals along the circumferential direction, and the front and rear ends of one side of the mounting frame are threadedly connected with positioning bolts through the mounting seat, and one end of the positioning bolt is threadedly connected to the inside of one of the positioning holes.

[0011] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, the other end of the driving rod is fixedly connected to a synchronous wheel, the synchronous wheels are connected by V-belt transmission, and the synchronous wheel and the V-belt are both located inside the longitudinal support arm on the other side of the installation frame.

[0012] In order to facilitate the replacement of the screen, a further improvement is made to the square rocking screen with multiple screening modes of the present invention, wherein: the mounting assembly comprises an L-shaped plate, a mounting column, a lifting frame and a driving wheel, the L-shaped plate being fixedly connected to the front and rear end surfaces of the inner side of the shell respectively, a plurality of mounting columns are movably penetrated along the horizontal equidistant upper side of the vertical support arm of the L-shaped plate, the free ends of the mounting columns are gap-fitted into the mounting holes located on the front and rear end surfaces of the mounting frame, a plurality of through slots are opened along the horizontal equidistant upper side of the longitudinal support arm of the L-shaped plate, and a lifting frame is movably connected to the lower side of the longitudinal support arm of the L-shaped plate; a plurality of driving wheels are rotatably connected along the horizontal equidistant inner side of the lifting frame, the tops of the driving wheels are all located on the inner sides of the through slots, one end of the driving wheel is fixedly connected to a driven gear, the driven gears are all located on the outer side of the lifting frame, and a plurality of transmission gears are rotatably connected along the horizontal equidistant upper side of the end surfaces of the lifting frame away from each other, and the transmission gears are meshingly connected between the driven gears; the outer One side of the front and rear end surfaces of the shell is fixedly connected with a driving motor through a motor frame, and the output shaft of the driving motor rotates and penetrates the end surface of the shell and is fixedly connected to a driving gear; a plurality of slide grooves are vertically opened on the other side of the front and rear end surfaces of the shell, and a connecting rod two is movably connected inside the slide groove one, and one end of the connecting rod two located on the inner side of the shell is fixedly connected to one side of the end surface of the lifting frame, and a driving plate is welded on one end of the connecting rod one located on the outer side of the shell, and a protrusion is welded on the end surface of the driving plate away from the shell; a driving assembly is provided on the other side of the front and rear end surfaces of the shell, and the driving assembly includes a screw rod, a movable plate two and a rotating plate, the screw rods are rotatably connected to the other side of the front and rear end surfaces of the shell through bearing seats two, the bottom ends of the screw rods are sleeved with rotating sleeves, and a slider three is threadedly sleeved on the screw rods, and the end surface of the slider three away from the shell is welded to the movable plate two, and the rotating plate is provided with a plurality of outer walls that are rotatably connected to one side of the movable plate two, and the free end of the rotating plate is sleeved on the outer wall of the protrusion.

[0013] Another beneficial effect of the present invention is: rotating the rotating plate so that the free end of the rotating plate is sleeved on the convex block, and the screw rod is driven to rotate through the rotating sleeve, the screw rod drives the movable plate 2 to rise and fall through the slider 3, and the movable plate 2 drives the lifting frame to move through the driving plate, so that the top of the driving wheel passes through the through slot and abuts against the bottom of the installation frame, and then the driving motor is started, the output shaft of the driving motor drives the driving gear to rotate, and the driving gear drives the driving wheel to rotate through the driven gear, and the external force is applied to the installation frame through the rotation of the driving wheel, so that the installation frame moves to the outside of the shell.

[0014] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, a fixed plate is welded on the top of the vertical support arm of the L-shaped plate, a plurality of slide grooves 2 are opened at equal intervals on the surface of the fixed plate, the interior of the slide grooves 2 are movably connected with sliders 1, the bottom of the sliders 1 is welded with the same mounting plate, and the end of the mounting column away from the mounting frame is welded to the end face of the mounting plate close to the L-shaped plate.

[0015] As a preferred solution of the present invention, a square rocking screen with multiple screening modes, wherein: threaded rods are rotatably connected to the upper and lower parts of the front and rear end surfaces of the shell, and a rotating handle is fixedly connected to the end of the threaded rod away from the shell, and a movable plate is threadedly sleeved on the threaded rod, and a connecting rod is welded to the upper and lower parts of the end surface of the movable plate close to the shell, and the end of the connecting rod away from the movable plate movably passes through the front and rear end surfaces of the shell and is welded to the end surface of the mounting plate away from the L-shaped plate.

[0016] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, sliding bars are welded on both sides of the bottom of the L-shaped plate longitudinal support arm, the bottom ends of the sliding bars are fixedly connected to the limiting plates, and sliding bars 2 are welded on the outer walls of both sides of the lifting frame, and the free ends of the sliding bars are movably sleeved on the outer walls of the sliding bars.

[0017] In order to facilitate uniform distribution of material on the screen, another further improvement is made to the square swing screen with multiple screening modes of the present invention: it also includes a feeding component arranged on one side of the shell, the feeding component includes an electric slide rail, a hopper, a feeding pipe and a guide block, the electric slide rail is fixedly connected to one side of the top of the support frame along the longitudinal direction, a slider four is movably connected to the electric slide rail, an L-shaped frame is welded on the top of the slider four, the hopper is movably connected to one side of the L-shaped frame, and the bottom of the hopper is fixedly connected to a distribution box; a plurality of feeding pipes are arranged, one end of the feeding pipes is respectively fixedly connected to the upper and lower parts of the outer wall of one side of the distribution box, the other end of the feeding pipe is movably connected to the inside of the feeding trough, a dust cover is sleeved on the outer wall of the feeding pipe, and the dust cover is magnetically sleeved on the outside of the feeding trough; a hydraulic cylinder two is fixedly connected to the bottom of the distribution box, the piston shaft of the hydraulic cylinder two movably passes through the bottom of the distribution box and is fixedly connected to the bottom of the guide block, and the guide block is movably connected to the inside of the distribution box along the vertical direction.

[0018] Another beneficial effect of the present invention is: starting the electric slide rail, the electric slide rail drives the L-shaped frame to perform linear reciprocating motion in the longitudinal direction through the slider four, and drives the feeding pipe to perform linear reciprocating motion in the longitudinal direction, so that the feeding pipe distributes the material evenly on the screening component, and starting the hydraulic cylinder two, the piston shaft of the hydraulic cylinder two drives the guide block to be regularly raised and lowered, and the material in the hopper is quantitatively introduced into different feeding pipes through the guide block, thereby realizing uniform distribution of the square swing screen.

[0019] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, a hydraulic cylinder 1 is fixedly connected to the center position of the vertical support arm of the L-shaped frame, and the piston shaft of the hydraulic cylinder 1 movably passes through the vertical support arm of the L-shaped frame and is fixedly connected to the center position of the outer wall of one side of the hopper.

[0020] As a preferred solution of the square rocking screen with multiple screening modes of the present invention, limit rods are welded on the upper and lower parts of the outer wall of one side of the hopper, and the ends of the two limit rods away from the hopper are movable through the vertical support arms of the L-shaped frame and are threaded with limit nuts. 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 It is a schematic diagram of the overall structure of a square swing screen with multiple screening modes.

[0023] Figure 2 For the present invention Figure 1 Front view of the structure.

[0024] Figure 3 It is a structural disassembly diagram of the housing of the present invention.

[0025] Figure 4 It is a structural schematic diagram of the screening structure of the present invention.

[0026] Figure 5 It is a structural schematic diagram of the installation assembly of the present invention.

[0027] Figure 6 It is a schematic structural diagram of the L-shaped plate of the present invention.

[0028] Figure 7 It is a schematic diagram of the structure of the installation column of the present invention.

[0029] Figure 8It is a schematic diagram of the installation between the lifting frame and the driving wheel of the present invention.

[0030] Fig. 9 It is a schematic diagram of the structure of the screening assembly of the present invention.

[0031] Fig.10 It is a schematic diagram of the installation between the U-shaped plate and the screening bar of the present invention.

[0032] Fig.11 It is a structural schematic diagram of the U-shaped plate of the present invention.

[0033] Fig.12 It is a structural schematic diagram of the rotating shaft of the present invention.

[0034] Fig.13 It is a schematic structural diagram of the steel wire of the present invention.

[0035] Fig.14 It is a schematic diagram of the structure of the driving assembly of the present invention.

[0036] Fig.15 It is a structural schematic diagram of the feeding assembly of the present invention.

[0037] Fig.16 It is a structural schematic diagram of the hopper of the present invention.

[0038] Fig.17 It is a front sectional view of the distribution box of the present invention.

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] 100-support frame, 200-housing, 201-vibrator, 202-movable door, 202a-feeding trough, 203-discharging shell, 203a-discharging pipe, 204-mounting shell, 204a-mounting pipe, 204b-branch pipe, 205-slideway 1, 300-mounting assembly, 301-L-shaped plate, 301a-fixing plate, 301b-slideway 2, 301c-slide bar, 301d-limiting plate, 301e-through slot, 302-mounting column, 302a-mounting plate, 302b-slider 1, 3 03-lifting frame, 303a-slider 2, 303b-transmission gear, 303c-driving motor, 303c-1-motor frame, 303c-2-driving gear, 304-driving wheel, 304a-driven gear, 305-moving plate 1, 305a-threaded rod, 305b-rotating handle, 305c-connecting rod 1, 306-driving plate, 306a-connecting rod 2, 306b-bump, 400-screening assembly, 401-installation frame, 401a-installation hole, 402-U-shaped plate, 40 2a-rotating shaft, 402b-worm gear, 402c-through hole 1, 402d-fastening bolt, 402e-fastening nut, 403-screening bar, 403a-rubber sleeve, 403b-through hole 2, 404-driving rod, 404a-bearing seat 1, 404b-turntable, 404b-1-positioning hole, 404b-2-mounting seat, 404b-3-positioning bolt, 404c-synchronous wheel, 404c-1-V belt, 404d-worm, 405-steel wire, 405a-mounting sleeve, 500-drive Moving assembly, 501-screw, 501a-bearing seat 2, 501b-rotating sleeve, 501c-slider 3, 502-moving plate 2, 503-rotating plate, 600-feeding assembly, 601-electric slide rail, 601a-slider 4, 602-L-shaped frame, 603-hopper, 603a-hydraulic cylinder 1, 603b-limiting rod, 603c-limiting nut, 604-distribution box, 605-feeding pipe, 606-dust cover, 607-guide block, 607a-hydraulic cylinder 2, 700-pull-out plate. DETAILED DESCRIPTION

[0041] 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.

[0042] 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.

[0043] 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.

[0044] 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

[0045] Reference Figure 1 , Figure 2 , Figure 4 and Fig. 9 , which is the first embodiment of the present invention, provides a square rocking screen with multiple screening modes. When the square rocking screen is in use, the exciter 201 drives the outer shell 200 to rock in the support frame 100, and the screening component 400 inside the outer shell 200 is used to screen the material.

[0046] Specifically, it includes a support frame 100; a shell 200; and a screening component 400, including a mounting frame 401 arranged inside the shell 200 through the mounting component 300, and a plurality of U-shaped plates 402 and screening bars 403 rotatably connected at equal intervals to the front and rear ends of the mounting frame 401.

[0047] Read in detail Figure 3As shown, the housing 200 is movably connected to the inside of the support frame 100 by hoisting, the center position of the front end face of the housing 200 is fixedly connected with a vibrator 201, one side of the housing 200 is rotatably connected with a movable door 202, the movable door 202 is provided to facilitate the inspection and replacement of the structure inside the housing 200, the upper and lower outer walls of the movable door 202 are longitudinally provided with a feeding trough, the other side of the housing 200 is fixedly connected with a discharge housing 203, the discharge housing 203 is fixedly connected with a discharge pipe 203a, the top of the housing 200 is fixedly connected with a mounting housing 204, the interior of the mounting housing 204 is fixedly connected to There is a mounting pipe 204a, one end of which passes through the outer wall of one side of the mounting shell 204 and extends to the outside of the mounting shell 204. The front and rear end surfaces of the mounting pipe 204a are fixedly connected with a plurality of branch pipes 204b at equal intervals in the horizontal direction. The other end of the mounting pipe 204a is connected to an external water supply device and an air transmission device through a three-way valve. At the same time, a drain valve and an exhaust valve are also provided at the bottom of the shell 200. The upper and lower parts of the shell 200 are movably connected with a pull-out plate 700. The pull-out plate 700 is in an inclined state and is located below the screening assembly 400. At the same time, a discharge port is provided at the part where the discharge shell 203 contacts the pull-out plate 700.

[0048] When the above arrangement is in use, the vibrator 201 drives the outer shell 200 to swing relative to the support frame 100, thereby realizing screening of the material inside the outer shell 200. After screening, the material with the largest particle size is discharged through the upper discharge shell 203 and the discharge pipe 203a, the material with medium particle size is discharged through the lower discharge shell 203 and the discharge pipe 203a, and the material with the smallest particle size is discharged through the discharge port on one side of the pull-out plate 700, thereby realizing mechanical screening of the material; at the same time, when it is necessary to screen materials with higher viscosity, clean water can be provided to the inside of the outer shell 200 through the installation pipe 204a and the branch pipe 204b, and the clean water can be used to realize hydraulic screening of the material, and air flow can be provided to the inside of the outer shell 200 through the installation pipe 204a and the branch pipe 204b, thereby realizing pneumatic screening of the material, which is convenient for screening some materials containing gas components.

[0049] Read in detail Fig. 9 , Fig.10 and Fig.12As shown, a rotating shaft 402a is fixedly connected to the vertical support arm of the U-shaped plate 402, and one end of the rotating shaft 402a away from the U-shaped plate 402 is rotatably connected to the inside of the horizontal support arm of the installation frame 401, and a worm gear 402b is sleeved on the outer wall of the rotating shaft 402a, and the worm gear 402b is located inside the horizontal support arm of the installation frame 401, and a rubber sleeve 403a is sleeved on the outer wall of the screening bar 403, and the front and rear ends of the screening bar 403 are fixedly connected to the inside of the U-shaped plate 402, and the spacing between the screening bars 403 located at the top is larger than the spacing between the screening bars 403 located at the bottom, and a driving rod 404 is rotatably connected to the lower part of the inside of the horizontal support arm of the installation frame 401 through a bearing seat 404a, and a plurality of worms 404d are sleeved on the driving rod 404 along the axial direction at equal intervals, and the worm wheel 402b and the worm 404d are threadedly connected to each other;

[0050] When the above arrangement is in use, the driving rod 404 is rotated, and the driving rod 404 drives the worm 404d to rotate. The worm 404d drives the rotating shaft 402a to rotate through the turbine, so that the rotating shaft 402a drives the screening bar 403 to rotate through the U-shaped plate 402, so that the inclination angle of the screening bar 403 changes.

[0051] Read in detail Fig.12 As shown, one end of the driving rod 404 rotates through the outer wall of one side of the mounting frame 401 and is fixedly connected to a turntable 404b. A plurality of positioning holes 404b-1 are provided on the outer wall of the turntable 404b at equal intervals along the circumferential direction. The front and rear ends of one side of the mounting frame 401 are threadedly connected with positioning bolts 404b-3 through mounting seats 404b-2. One end of the positioning bolt 404b-3 is threadedly connected to the inside of one of the positioning holes 404b-1.

[0052] Read in detail Fig.13 As shown, a plurality of mounting sleeves 405a are provided on the outer wall of the screening bar 403 at equal intervals in the longitudinal direction, and steel wires 405 are fixedly connected between the left and right adjacent mounting sleeves 405a. When the screening bar 403 is in a vertical state, the steel wires 405 are in a relaxed state, and when the screening bar 403 is inclined at an angle of 45°, the steel wires 405 are in a stretched state.

[0053] When the above arrangement is in use, the screening bars 403 are equivalent to the longitudinal lines of the woven screen, and the steel wires 405 are equivalent to the transverse lines of the woven screen. The material is screened through the area enclosed by the screening bars 403 and the steel wires 405. When the screening bars 403 rotate, the tightness of the steel wires 405 changes, and the screening area enclosed by them also changes accordingly. At this time, the material stuck between the screening bars 403 falls down, thereby achieving regular cleaning and blockage of the screening structure.

[0054] Furthermore, the other end of the driving rod 404 is fixedly connected to a synchronous wheel 404c, and the synchronous wheels 404c are connected to each other through a V-belt 404c-1. The synchronous wheel 404c and the V-belt 404c-1 are both located inside the longitudinal support arm on the other side of the installation frame 401. Example 2

[0055] Reference Fig.10 and Fig.11 , which is the second embodiment of the present invention, is based on the previous embodiment, except that, in order to facilitate the replacement of the individual screening bars 403, the structures of the U-shaped plate 402 and the screening bars 403 are further refined.

[0056] Specifically, through hole 1 402c is provided on both sides of the longitudinal support arm of the U-shaped plate 402, through hole 2 403b is provided on both sides of the front and rear ends of the surface of the screening bar 403, a fastening bolt 402d passes through the interior of through hole 1 402c, and the bottom end of the fastening bolt 402d passes through through hole 2 403b and is threadedly sleeved with a fastening nut 402e. Example 3

[0057] Reference Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 8 and Fig.14 , which is the third embodiment of the present invention, is based on any of the above embodiments, except that, in order to facilitate regular maintenance and replacement of the screening assembly 400 and solve the problem that the existing square swing screen is inconvenient to remove and place the screening assembly 400, the structure of the installation assembly 300 is refined.

[0058] Specifically, the mounting assembly 300 includes an L-shaped plate 301, mounting columns 302, a lifting frame 303 and a driving wheel 304. The L-shaped plate 301 is fixedly connected to the front and rear end surfaces of the inner side of the outer shell 200 respectively. A plurality of mounting columns 302 are movably penetrated along the vertical support arm of the L-shaped plate 301 at equal intervals in the horizontal direction. The free ends of the mounting columns 302 are gap-fitted into the mounting holes 401a located on the front and rear end surfaces of the mounting frame 401. A plurality of through grooves 301e are opened along the longitudinal support arm of the L-shaped plate 301 at equal intervals in the horizontal direction. A lifting frame 303 is movably connected to the lower part of the longitudinal support arm of the L-shaped plate 301.

[0059] The interior of the lifting frame 303 is connected to a plurality of driving wheels 304 for rotation at equal intervals along the horizontal direction, the tops of the driving wheels 304 are all located on the inner side of the through slots 301e, one end of the driving wheel 304 is fixedly connected to a driven gear 304a, the driven gears 304a are all located on the outer side of the lifting frame 303, and the end surfaces of the lifting frame 303 that are away from each other are connected to a plurality of transmission gears 303b for rotation at equal intervals along the horizontal direction, and the transmission gears 303b are meshingly connected to the driven gears 304a.

[0060] One side of the front and rear end surfaces of the housing 200 is fixedly connected to a driving motor 303c through a motor frame 303c-1. The output shaft of the driving motor 303c rotates through the end surface of the housing 200 and is fixedly connected to a driving gear 303c-2.

[0061] A plurality of slide grooves 205 are vertically opened on the other side of the front and rear end surfaces of the shell 200, and the interior of the slide grooves 205 is movably connected with connecting rods 306a. One end of the connecting rod 306a located on the inner side of the shell 200 is fixedly connected to one side of the end surface of the lifting frame 303, and the end of the connecting rod 305c located on the outer side of the shell 200 is welded with a driving plate 306, and a bump 306b is welded on the end surface of the driving plate 306 away from the shell 200.

[0062] A driving assembly 500 is provided on the other side of the front and rear end surfaces of the shell 200, and the driving assembly 500 includes a screw rod 501, a movable plate 502 and a rotating plate 503. The screw rod 501 is rotatably connected to the other side of the front and rear end surfaces of the shell 200 through a bearing seat 2 501a. The bottom end of the screw rod 501 is sleeved with a rotating sleeve 501b, and a slider 3 501c is threadedly sleeved on the screw rod 501. The end surface of the slider 3 501c away from the shell 200 is welded to the movable plate 2 502. The rotating plate 503 is provided with a plurality of outer walls that are rotatably connected to one side of the movable plate 2 502, and the free end of the rotating plate 503 is sleeved on the outer wall of the protrusion 306b.

[0063] When the above arrangement is in use, the rotating plate 503 is rotated so that the free end of the rotating plate 503 is sleeved on the protrusion 306b, and the screw rod 501 is driven to rotate through the rotating sleeve 501b, and the screw rod 501 drives the movable plate 2 502 to rise and fall through the slider 3 501c, and the movable plate 2 502 drives the lifting frame 303 to move through the driving plate 306, so that the top of the driving wheel 304 passes through the through slot 301e and abuts against the bottom of the installation frame 401, and then the driving motor 303c is started, and the output shaft of the driving motor 303c drives the driving gear 303c-2 to rotate, and the driving gear 303c-2 drives the driving wheel 304 to rotate through the driven gear 304a, and the rotation of the driving wheel 304 applies an external force to the installation frame 401, so that the installation frame 401 moves to the outside of the housing 200.

[0064] Furthermore, slide bars 301c are welded on both sides of the bottom of the longitudinal support arm of the L-shaped plate 301, and the bottom ends of the slide bars 301c are fixedly connected to the limiting plates 301d. Slide bars 303a are welded on the outer walls of both sides of the lifting frame 303, and the free ends of the slide bars 303a are movably mounted on the outer walls of the slide bars 301c. Example 4

[0065] Reference Figure 5 and Figure 7 , which is the fourth embodiment of the present invention, is based on the previous embodiment, except that, in order to facilitate installation and disassembly between the L-shaped plate 301 and the installation frame 401, the structure of the installation column 302 is refined.

[0066] Specifically, a fixed plate 301a is welded to the top of the vertical arm of the L-shaped plate 301, and a plurality of slide grooves 301b are provided at equal intervals on the surface of the fixed plate 301a, and a slider 302b is movably connected inside the slide groove 301b, and the bottom of the slider 302b is welded to the same mounting plate 302a, and the end of the mounting column 302 away from the mounting frame 401 is welded to the end surface of the mounting plate 302a close to the L-shaped plate 301; threaded rods 305a are rotatably connected to the upper and lower parts of the front and rear end surfaces of the shell 200, and a rotating handle 305b is fixedly connected to the end of the threaded rod 305a away from the shell 200, and a movable plate 305 is threadedly sleeved on the threaded rod 305a, and a connecting rod 305c is welded to the upper and lower parts of the end surface of the movable plate 305 close to the shell 200, and the end of the connecting rod 305c away from the movable plate 305 movably passes through the front and rear end surfaces of the shell 200 and is welded to the end surface of the mounting plate 302a away from the L-shaped plate 301.

[0067] When the above arrangement is in use, the threaded rod 305a is rotated by rotating the handle 305b, and the threaded connection between the threaded rod 305a and the movable plate 305 causes the movable plate 305 to move. At this time, the movable plate 305 drives the mounting plate 302a to move through the connecting rod 305c, and then drives the mounting column 302 to move toward the outside of the mounting hole 401a through the mounting plate 302a, thereby realizing the separation between the L-shaped plate 301 and the mounting frame 401. Example 5

[0068] Reference Figure 1 , Figure 2 , Fig.15 , Fig.16 and Fig.17 , which is the fifth embodiment of the present invention, is based on any of the above embodiments, except that, in order to better implement the present invention and facilitate uniform distribution of materials on the screening assembly 400, this embodiment is proposed.

[0069] Specifically, it also includes a feeding assembly 600 arranged on one side of the housing 200, the feeding assembly 600 includes an electric slide rail 601, a hopper 603, a feeding pipe 605 and a guide block 607, the electric slide rail 601 is fixedly connected to one side of the top of the support frame 100 in the longitudinal direction, a slider 4 601a is movably connected to the electric slide rail 601, an L-shaped frame 602 is welded to the top of the slider 4 601a, the hopper 603 is movably connected to one side of the L-shaped frame 602, and the bottom of the hopper 603 is fixedly connected to a distribution box 604; the feeding pipe 605 is provided with a plurality of One end of the feeding pipe 605 is fixedly connected to the upper and lower parts of the outer wall of one side of the distribution box 604, and the other end of the feeding pipe 605 is movably connected to the inside of the feeding trough. A dust cover 606 is sleeved on the outer wall of the feeding pipe 605, and the dust cover 606 is magnetically sleeved on the outside of the feeding trough; a hydraulic cylinder 2 607a is fixedly connected to the bottom of the distribution box 604, and the piston shaft of the hydraulic cylinder 2 607a movably passes through the bottom of the distribution box 604 and is fixedly connected to the bottom of the guide block 607, and the guide block 607 is movably connected to the inside of the distribution box 604 along the vertical direction.

[0070] When the above arrangement is in use, the electric slide rail 601 is started, and the electric slide rail 601 drives the L-shaped frame 602 to perform linear reciprocating motion in the longitudinal direction through the slider four 601a, and drives the feeding pipe 605 to perform linear reciprocating motion in the longitudinal direction, so that the feeding pipe 605 distributes the material evenly on the screening component 400, and starts the hydraulic cylinder two 607a, and drives the guide block 607 to perform regular lifting and lowering through the piston shaft of the hydraulic cylinder two 607a, and quantitatively guides the material in the hopper 603 into different feeding pipes 605 through the guide block 607, thereby realizing uniform distribution of the square swing screen.

[0071] Furthermore, a hydraulic cylinder 1 603a is fixedly connected to the center position of the vertical arm of the L-shaped frame 602, and the piston shaft of the hydraulic cylinder 1 603a movably penetrates the vertical arm of the L-shaped frame 602 and is fixedly connected to the center position of the outer wall of one side of the hopper 603. Limit rods 603b are welded to the upper and lower parts of the outer wall of one side of the hopper 603. The ends of the two limit rods 603b away from the hopper 603 respectively movably penetrate the vertical arm of the L-shaped frame 602 and are threadedly sleeved with limit nuts 603c.

[0072] When the above arrangement is in use, after the loading is completed, the hydraulic cylinder 603a is started, and the piston shaft of the hydraulic cylinder 603a drives the hopper 603 to move horizontally, so that the hopper 603 drives the loading tube 605 to move, and then the discharge end of the loading tube 605 moves out of the feed trough 202a, thereby preventing the swing of the outer shell 200 from affecting the operation of the hopper 603.

[0073] In addition, it should be noted that the components not described in detail in this article are prior art.

[0074] 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).

[0075] 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.

[0076] 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 square swing screen with multiple screening modes, characterized in that: include, Support frame (100); housing (200); as well as, The screening component (400) comprises a mounting frame (401) arranged inside a housing (200) via a mounting component (300), a plurality of U-shaped plates (402) rotatably connected at equal intervals to the front and rear ends of the mounting frame (401), and screening strips (403), wherein a rotating shaft (402a) is fixedly connected to a vertical support arm of the U-shaped plate (402), and an end of the rotating shaft (402a) away from the U-shaped plate (402) is rotatably connected to the inside of a horizontal support arm of the mounting frame (401), a worm gear (402b) is sleeved on an outer wall of the rotating shaft (402a), and the worm gear (402b) is located at the mounting frame. Inside the transverse support arm (401), a rubber sleeve (403a) is sleeved on the outer wall of the screening bar (403), and the front and rear ends of the screening bar (403) are fixedly connected to the inside of the U-shaped plate (402), a plurality of mounting sleeves (405a) are sleeved on the outer wall of the screening bar (403) at equal intervals in the longitudinal direction, and steel wires (405) are fixedly connected between the left and right adjacent mounting sleeves (405a), and when the screening bar (403) is in a vertical state, the steel wires (405) are in a relaxed state, and when the screening bar (403) is inclined at an angle of 45°, the steel wires (405) are in a stretched state; A driving rod (404) is rotatably connected to the lower part of the inner side of the transverse support arm of the installation frame (401) via a bearing seat (404a), and a plurality of worms (404d) are sleeved on the driving rod (404) at equal intervals along the axial direction, and the worm wheel (402b) and the worm (404d) are threadedly connected to each other.

2. A square swing screen with multiple screening modes as claimed in claim 1, characterized in that: The housing (200) is movably connected to the interior of the support frame (100), and a vibrator (201) is fixedly connected to the center position of the front end surface of the housing (200), a movable door (202) is rotatably connected to one side of the housing (200), and a feed groove (202a) is longitudinally provided on the upper and lower sides of the outer wall of the movable door (202), a discharge housing (203) is fixedly connected to the other side of the housing (200), and a discharge pipe (203a) is fixedly connected to the discharge housing (203), and the top of the housing (200) is fixedly connected to the discharge housing (203). A mounting shell (204) is provided, and a mounting tube (204a) is fixedly connected to the inside of the mounting shell (204) in a transverse direction, one end of the mounting tube (204a) passes through an outer wall of one side of the mounting shell (204) and extends to the outside of the mounting shell (204), and a plurality of branch tubes (204b) are fixedly connected to the front and rear end surfaces of the mounting tube (204a) in a transverse direction at equal intervals, and a pull-out plate (700) is movably connected to the upper and lower parts of the inside of the outer shell (200), and the pull-out plate (700) is in an inclined state and is located below the screening assembly (400).

3. A square swing screen with multiple screening modes as claimed in claim 1, characterized in that: Through holes (402c) are provided on both sides of the longitudinal arms of the U-shaped plate (402), and through holes (403b) are provided on both sides of the front and rear ends of the surface of the screening bar (403), a fastening bolt (402d) passes through the interior of the through hole (402c), and the bottom end of the fastening bolt (402d) passes through the through hole (403b) and is threadedly sleeved with a fastening nut (402e).

4. A square swing screen with multiple screening modes as claimed in claim 1, characterized in that: One end of the driving rod (404) rotates to penetrate the outer wall of one side of the installation frame (401) and is fixedly connected to a turntable (404b), and a plurality of positioning holes (404b-1) are provided on the outer wall of the turntable (404b) at equal intervals along the circumferential direction, and the front and rear ends of one side of the installation frame (401) are both threadedly connected to positioning bolts (404b-3) through a mounting seat (404b-2), and one end of the positioning bolt (404b-3) is threadedly connected to the inside of one of the positioning holes (404b-1).

5. A square swing screen with multiple screening modes as claimed in claim 4, characterized in that: The other end of the driving rod (404) is fixedly connected to a synchronous wheel (404c), and the synchronous wheels (404c) are connected to each other through a V-belt (404c-1), and the synchronous wheel (404c) and the V-belt (404c-1) are both located inside the longitudinal support arm on the other side of the installation frame (401).

6. A square swing screen with multiple screening modes as claimed in claim 1, characterized in that: The mounting assembly (300) comprises an L-shaped plate (301), mounting posts (302), a lifting frame (303) and a driving wheel (304), and the L-shaped plate (301) is respectively fixedly connected to the front and rear end surfaces of the inner side of the housing (200), a plurality of mounting posts (302) are movably penetrated at equal intervals in the horizontal direction along the vertical support arm of the L-shaped plate (301), and the free ends of the mounting posts (302) are gap-fitted in the mounting holes (401a) located on the front and rear end surfaces of the mounting frame (401), a plurality of through slots (301e) are opened at equal intervals in the horizontal direction along the longitudinal support arm of the L-shaped plate (301), and the lifting frame (303) is movably connected to the lower part of the longitudinal support arm of the L-shaped plate (301); The lifting frame (303) is internally connected to a plurality of driving wheels (304) in a rotatable manner at equal intervals in the transverse direction, and the tops of the driving wheels (304) are all located on the inner side of the through slots (301e); one end of the driving wheel (304) is fixedly connected to a driven gear (304a), and the driven gears (304a) are all located on the outer side of the lifting frame (303); and the end surfaces of the lifting frame (303) that are separated from each other are connected to a plurality of transmission gears (303b) in a rotatable manner at equal intervals in the transverse direction, and the transmission gears (303b) are meshingly connected to the driven gears (304a); One side of the front and rear end surfaces of the housing (200) is fixedly connected to a driving motor (303c) via a motor frame (303c-1), and an output shaft of the driving motor (303c) rotates through the end surface of the housing (200) and is fixedly connected to a driving gear (303c-2); A plurality of slide grooves (205) are vertically provided on the other side of the front and rear end surfaces of the shell (200), and the interior of the slide grooves (205) is movably connected to connecting rods (306a), one end of the connecting rod (306a) located on the inner side of the shell (200) is fixedly connected to one side of the end surface of the lifting frame (303), and one end of the connecting rod (305c) located on the outer side of the shell (200) is welded with a driving plate (306), and a protrusion (306b) is welded on the end surface of the driving plate (306) away from the shell (200); A driving assembly (500) is provided on the other side of the front and rear end surfaces of the housing (200), and the driving assembly (500) comprises a screw (501), a second movable plate (502) and a rotating plate (503); the screw (501) is rotatably connected to the other side of the front and rear end surfaces of the housing (200) through a second bearing seat (501a), and a rotating sleeve (501b) is sleeved on the bottom end of the screw (501); a slider (501c) is threadedly sleeved on the screw (501), and the end surface of the slider (501c) away from the housing (200) is welded to the second movable plate (502); a plurality of rotating plates (503) are provided and are rotatably connected to an outer wall of one side of the second movable plate (502), and a free end of the rotating plate (503) is sleeved on the outer wall of the protrusion (306b).

7. A square swing screen with multiple screening modes as claimed in claim 6, characterized in that: A fixing plate (301a) is welded to the top of the vertical support arm of the L-shaped plate (301), and a plurality of slide grooves (301b) are provided on the surface of the fixing plate (301a) at equal intervals, and the interior of each of the slide grooves (301b) is movably connected to a slider (302b), and the bottom of the slider (302b) is welded to the same mounting plate (302a), and one end of the mounting column (302) away from the mounting frame (401) is welded to the end surface of the mounting plate (302a) close to the L-shaped plate (301); The upper and lower parts of the front and rear end surfaces of the housing (200) are rotatably connected to threaded rods (305a), and one end of the threaded rod (305a) away from the housing (200) is fixedly connected to a rotating handle (305b), a movable plate (305) is threadedly sleeved on the threaded rod (305a), and a connecting rod (305c) is welded to the upper and lower parts of the end surface of the movable plate (305) close to the housing (200), and one end of the connecting rod (305c) away from the movable plate (305) movably penetrates the front and rear end surfaces of the housing (200) and is welded to the end surface of the mounting plate (302a) away from the L-shaped plate (301).

8. A square swing screen with multiple screening modes as claimed in claim 6, characterized in that: Slide bars (301c) are welded to both sides of the bottom of the longitudinal support arm of the L-shaped plate (301), and the bottom ends of the slide bars (301c) are fixedly connected to the limit plates (301d). Slide bars (303a) are welded to both sides of the outer walls of the lifting frame (303), and the free ends of the slide bars (303a) are movably sleeved on the outer walls of the slide bars (301c).

9. A square swing screen with multiple screening modes as claimed in claim 2, characterized in that: It also includes a feeding assembly (600) disposed on one side of the housing (200), the feeding assembly (600) including an electric slide rail (601), a hopper (603), a feeding pipe (605) and a guide block (607), the electric slide rail (601) being fixedly connected to one side of the top of the support frame (100) in the longitudinal direction, a slider block four (601a) being movably connected to the electric slide rail (601), and an L-shaped frame (602) being welded to the top of the slider block four (601a), the hopper (603) being movably connected to one side of the L-shaped frame (602), and a distribution box (604) being fixedly connected to the bottom of the hopper (603); A plurality of feeding tubes (605) are provided, and one end of the feeding tubes (605) is respectively fixedly connected to the upper and lower parts of the outer wall of one side of the distribution box (604), and the other end of the feeding tubes (605) is movably connected to the inside of the feeding trough (202a), and a dust cover (606) is sleeved on the outer wall of the feeding tube (605), and the dust cover (606) is magnetically sleeved on the outer side of the feeding trough (202a); The bottom of the distribution box (604) is fixedly connected to a second hydraulic cylinder (607a), and the piston shaft of the second hydraulic cylinder (607a) movably passes through the bottom of the distribution box (604) and is fixedly connected to the bottom of the guide block (607), and the guide block (607) is movably connected to the inside of the distribution box (604) along the vertical direction.

10. A square swing screen with multiple screening modes as claimed in claim 9, characterized in that: A hydraulic cylinder 1 (603a) is fixedly connected to the center position of the vertical support arm of the L-shaped frame (602), and the piston shaft of the hydraulic cylinder 1 (603a) movably passes through the vertical support arm of the L-shaped frame (602) and is fixedly connected to the center position of the outer wall of one side of the hopper (603); Limiting rods (603b) are welded to the upper and lower parts of the outer wall of one side of the hopper (603), and the ends of the two limiting rods (603b) away from the hopper (603) are movably passed through the vertical arms of the L-shaped frame (602) and are threadedly sleeved with limiting nuts (603c).

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