A synchronous vibrating screen that is easy to maintain

Abstract

The application discloses a synchronous vibrating screen convenient to maintain, which comprises two U-shaped side frames, transverse connecting plates welded at front and rear positions between opposite surfaces of the two U-shaped side frames, and flat plates installed on top of the two U-shaped side frames through bolts. The linear motors on both sides of the synchronous vibrating screen drive the sliding bars to move reciprocally, so that the flat material plate moves left and right, and the material is pushed to the side during the movement of the flat material plate, so that the material is evenly spread on the screen mesh, the material is prevented from being concentrated and accumulated in a certain area of the screen mesh, only partial screen mesh is prevented from screening the material, the front-to-back and up-to-down multidimensional vibration of the screen mesh is realized, the front-to-back vibration dimension is more conducive to the front-to-back spreading of the material on the screen mesh, the material is more evenly distributed on the screen mesh, meanwhile, the vertical vibration improves the screening effect of the material, and the double-dimension vibrating screen has better screening effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vibrating screen, in particular to a synchronous vibrating screen convenient to maintain. BACKGROUND

[0002] The vibrating screen works by using the reciprocating rotational vibration generated by the vibrator. The upper rotating weight of the vibrator causes the screen surface to produce planar rotational vibration, and the lower rotating weight causes the screen surface to produce conical rotational vibration. The combined effect of the two causes the screen surface to produce complex rotational vibration. The vibration trajectory is a complex spatial curve. The curve is projected as a circle on the horizontal plane, and as an ellipse on the vertical plane. Adjusting the excitation force of the upper and lower rotating weights can change the amplitude. Adjusting the spatial phase angle of the upper and lower weights can change the curve shape of the screen surface movement trajectory and the movement trajectory of the material on the screen surface.

[0003] During use, the vibrating screen is used to screen the material by throwing the material onto the screen and then vibrating the material. When the material is thrown onto the screen, it will accumulate in a certain area of the screen. The accumulation of the material on the screen will seriously affect the screening effect, resulting in incomplete screening. In addition, the vibrating screen can only drive the screen to vibrate up and down, which is a single dimension of vibration. The up-and-down vibration is not conducive to the uniform distribution of the material on the screen, which will also affect the screening effect. SUMMARY

[0004] The present application aims to provide a synchronous vibrating screen convenient to maintain to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A synchronous vibrating screen convenient to maintain comprises:

[0007] Two U-shaped side frames, a horizontal connecting plate is welded at the front and rear positions between the opposite faces of the two U-shaped side frames, and a flat plate is installed on the top of the two U-shaped side frames through bolts;

[0008] A screen cavity is formed between the two U-shaped side frames and the two horizontal connecting plates, and two L-shaped plate frames are limitingly arranged inside the screen cavity. The L-shaped plate frames can move up and down and front and back reciprocally inside the screen cavity. A screen is detachably installed between the opposite faces of the two L-shaped plate frames. Side baffles are welded between the two sides of the two L-shaped plate frames, and grooves for discharging materials are arranged on the top of the side baffles.

[0009] A screen support assembly for supporting the screen is installed between the bottoms of the two L-shaped plate frames, and the movable end of the screen support assembly rotates on the lower surface of the screen and is in contact with the lower surface of the screen.

[0010] The flat material flow equalizing assembly is installed between the top of the two plates by bolts, and the movable end of the flat material flow equalizing assembly is located directly above the screen, and at the same time, the movable end of the flat material flow equalizing assembly pushes the material on the upper surface of the screen to be flat.

[0011] As a further scheme of the present application: a row of mounting holes are formed at the upper position of the opposite faces of the two cross connecting plates, and a cylindrical electromagnet is fixedly installed in the mounting hole, the opposite faces of the two L-shaped plate frames are welded with a jacking plate, a row of grooves are formed in the face of the jacking plate facing the cross connecting plate, and a magnet column is installed in the groove, and one magnet column corresponds to one cylindrical electromagnet.

[0012] As a further scheme of the present application: a motor rack A is welded at the upper position of the opposite faces of the two cross connecting plates, a driving motor A is installed in the motor rack A, and an eccentric wheel for jacking the jacking plate is installed at the driving end of the driving motor A.

[0013] As a further scheme of the present application: a row of plane grooves are formed at the outer wall of the eccentric wheel, and a group of roller bodies in contact with the lower surface of the jacking plate are rotatably installed in the plane grooves.

[0014] As a further scheme of the present application: the screen supporting assembly comprises two welding strips respectively welded at the bottom of the two L-shaped plate frames, a support bar is welded on the opposite sides of the opposite faces of the two welding strips, a motor rack B is welded between the two support bars, a driving motor B is installed in the motor rack B, and a screen supporting rod for supporting the screen is installed at the driving end of the driving motor B.

[0015] As a further scheme of the present application: a conical surface is arranged on the two sides of the upper surface of the support bar, so that the top of the support bar is a sharp corner.

[0016] As a further scheme of the present application: the flat material flow equalizing assembly comprises two linear motors respectively installed at the top of the plate, a sliding strip is installed between the movable ends of the two linear motors, and a flat material plate for flat material is arranged on the sliding strip.

[0017] As a further scheme of the present application: a recess is formed at the top of the motor rack B, the flat material plate is rotatably installed in the recess through a rotating shaft, a convex strip B is welded at the top of the flat material plate, a convex strip A is welded at the top of the sliding strip, a strip-shaped electromagnet is installed on the side of the convex strip A facing the convex strip B, and a magnetic strip is installed on the side of the convex strip B facing the convex strip A.

[0018] As a further scheme of the present application: the upper surface of the L-shaped plate frame is provided with a group of T-shaped positioning grooves, and the inside of the T-shaped positioning groove is connected with a T-shaped positioning block, a pressing plate is welded between a group of the T-shaped positioning blocks, a row of threaded holes is opened at the top of the pressing plate, an internal corner screw is arranged in the threaded hole, and a threaded hole is opened at the transverse end of the L-shaped plate frame and is threadedly connected with the internal corner screw, and meanwhile, a row of through holes is opened at the two sides of the top of the screen for the internal corner screw to pass through.

[0019] As a further scheme of the present application: the side surface of the U-shaped side frame is provided with a discharge port, and an inclined downward fine material guide plate is welded on the opposite surface of the two transverse connecting plates and below the screen, the downward discharge end of the fine material guide plate is located in the inside of the discharge port, the length of the fine material guide plate is greater than that of the screen, and a coarse material guide plate is welded on the upper side in the inside of the discharge port.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. The internal corner screw is detached from the threaded hole on the L-shaped plate frame, the fixation of the pressing plate is released, and then the pressing plate can be contacted to fix the screen, the screen can be replaced, different mesh diameters of the screen can be replaced according to different screening requirements, meanwhile, the screen is fixed in a non-welding manner, which is beneficial to subsequent maintenance and replacement, when the pressing plate is installed, the T-shaped positioning block is clamped in the inside of the T-shaped positioning groove, on the one hand, the T-shaped positioning block plays a role in limiting the pressing plate, the threaded hole on the pressing plate is self-aligned with the threaded hole on the L-shaped plate frame, the installation efficiency is improved, on the other hand, the pressing plate and the L-shaped plate frame are in a clamped state, and the pressing plate is provided with a force, when the L-shaped plate frame moves forward and backward, the stability of the pressing plate can be ensured, and the material leveling and flow equalizing assembly is arranged in a separate modular manner, which is also convenient for dismounting and maintenance.

[0022] 2. The front and rear row column electromagnets reciprocally adjust the magnetic poles, push and pull the front and rear side jacking plates, pull and push the front and rear side jacking plates, realize the reciprocating movement of the screen on the front and rear sides, realize the vibration screening of the screen on the horizontal plane, the driving motor A drives the eccentric wheel to rotate at high speed, the jacking plate is arranged on the outer wall surface of the eccentric wheel, the rotation of the eccentric wheel drives the jacking plate to reciprocally move up and down, and the screen is driven to vertically vibrate to screen the material, so that the front and rear, up and down multidimensional vibrations of the screen can be realized, the vibration dimension of the front and rear is more conducive to the material to be laid flat on the screen, and the material is more evenly distributed on the screen, meanwhile, the vertical vibration can improve the screening effect of the material, and the double-dimensional vibration screening effect is better.

[0023] 3. The upper surface of the supporting rod is in contact with the lower surface of the screen, and the supporting rod supports the screen. When the material falls on the screen, the supporting rod supports the screen from the bottom of the screen, shares the impact force on the screen, reduces the damage of the screen when the material falls, and drives the motor B to rotate the supporting rod. When the supporting rod supports the screen, the supporting rod rotates at the lower surface of the screen, expands the contact area between the supporting rod and the screen, improves the supporting effect of the screen, and ensures that the material screened by the screen can fall normally.

[0024] 4. The linear motor drives the sliding bar to move reciprocally, so that the material plate moves left and right. When the material plate moves, the material is pushed to the side, so that the material is evenly spread on the screen, preventing the material from being concentrated on the screen, avoiding the local screen screening the material, improving the utilization rate of the screen, and improving the screening efficiency.

[0025] 5. When the material plate moves horizontally, the bottom of the material plate is inclined to the material, so that the material plate moves to the material with an inclined force. The inclined material plate helps the material flow more smoothly, and the gravity helps the material slide down along the inclined surface. The inclined plate can effectively push the material and reduce the wear of the material plate. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structure diagram of a synchronous vibrating screen convenient to maintain;

[0027] Figure 2 It is a structure diagram between two lateral connecting plates in a synchronous vibrating screen convenient to maintain;

[0028] Figure 3 It is a structure diagram of a synchronous vibrating screen convenient to maintain; Figure 2 It is an enlarged structure diagram of A in the synchronous vibrating screen convenient to maintain;

[0029] Figure 4 It is a structure diagram of an eccentric wheel driving screen movement in a synchronous vibrating screen convenient to maintain;

[0030] Figure 5 It is an enlarged structure diagram of B in the synchronous vibrating screen convenient to maintain; Figure 4 It is an enlarged structure diagram of B in the synchronous vibrating screen convenient to maintain;

[0031] Figure 6 It is a structure diagram of an eccentric wheel in a synchronous vibrating screen convenient to maintain;

[0032] Figure 7 It is a structure diagram of a screen support assembly in a synchronous vibrating screen convenient to maintain;

[0033] Figure 8 It is a structure diagram of a flat material flow uniformizing assembly of a synchronous vibrating screen convenient to maintain;

[0034] Figure 9 It is a structure diagram of a synchronous vibrating screen convenient to maintain; Figure 8 The enlarged structure diagram is at C in the middle.

[0035] In the figure: U-shaped side frame 1, cross connecting plate 2, flat plate 3, fine material guide plate 4, coarse material guide plate 5, discharge port 6, flat material flow uniformizing assembly 7, screen 8, motor frame A 9, driving motor A 10, column-shaped electromagnet 11, mounting hole 12, jacking plate 13, side baffle 14, screen support assembly 15, eccentric wheel 16, groove 17, T-shaped positioning block 18, pressing plate 19, threaded hole 20, internal corner screw 21, T-shaped positioning groove 22, magnet column 23, flat groove 24, roller body 25, welding strip 26, bracing strip 27, conical surface 28, bracing net rod 29, driving motor B 30, motor frame B 31, linear motor 32, slide strip 33, convex strip A 34, strip-shaped electromagnet 35, concave cavity 36, magnetic strip 37, convex strip B 38, flat material plate 39, L-shaped plate frame 40. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] Please refer to Figures 1-9 The present application provides a technical solution, a synchronous vibrating screen convenient to maintain, comprising:

[0038] Two U-shaped side frames 1, cross connecting plates 2 are welded at the front and rear positions between the opposite faces of the two U-shaped side frames 1, and flat plates 3 are bolted to the top of the two U-shaped side frames 1;

[0039] A screen cavity is formed between the two U-shaped side frames 1 and the two cross connecting plates 2, and two oppositely arranged L-shaped plate frames 40 are limitingly arranged inside the screen cavity, and the L-shaped plate frames 40 can reciprocatingly move up and down and front and back inside the screen cavity, the screen 8 is detachably installed between the opposite faces of the two L-shaped plate frames 40, and the side baffles 14 are welded between the two sides of the two L-shaped plate frames 40, and the top of the side baffles 14 is provided with a groove for discharging materials;

[0040] The bottom of the two L-shaped plate frames 40 is provided with a screen support assembly 15 for supporting the screen 8, and the movable end of the screen support assembly 15 rotates on the lower surface of the screen 8 and is in contact with the lower surface of the screen 8.

[0041] The top of the two flat plates 3 is provided with a flat material flow uniformizing assembly 7 through bolting, and the movable end of the flat material flow uniformizing assembly 7 is located directly above the screen 8, and the movable end of the flat material flow uniformizing assembly 7 pushes the material on the upper surface of the screen 8 to be flat, the flat material flow uniformizing assembly 7 is separately modularized, and is convenient to disassemble and maintain.

[0042] The upper position of the two transverse connecting plates 2 is provided with a row of mounting holes 12, and the inside of the mounting holes 12 is fixedly provided with column-shaped electromagnets 11, and the opposite surfaces of the two L-shaped plate frames 40 are welded with jacking plates 13, one surface of the jacking plates 13 facing the transverse connecting plates 2 is provided with a row of grooves 17, and the grooves 17 are internally provided with magnet columns 23, and one magnet column 23 corresponds to one column-shaped electromagnet 11, and through reciprocating adjustment of the magnetic poles of the front and rear column-shaped electromagnets 11, the front and rear jacking plates 13 are pushed and pulled, and the screen 8 is reciprocally moved in the front and rear directions, and the screen 8 is vibrated and screened in the horizontal direction.

[0043] The upper position of the opposite surfaces of the two transverse connecting plates 2 is welded with motor frames A9, and the inside of the motor frames A9 is provided with driving motors A10, and the driving end of the driving motors A10 is located in the inside of the screen cavity, and the driving end of the driving motors A10 is provided with eccentric wheels 16 for jacking the jacking plates 13;

[0044] The driving motor A10 drives the eccentric wheel 16 to rotate at high speed, the jacking plate 13 is arranged on the outer wall surface of the eccentric wheel 16, the rotation of the eccentric wheel 16 drives the jacking plate 13 to reciprocally move up and down, and the screen 8 is vertically vibrated to screen the material, so that the screen 8 can be vibrated in multiple dimensions in the front and rear directions and the up and down directions, the vibration in the front and rear directions is more conducive to the material being flatly laid on the screen 8, the material is more evenly distributed on the screen 8, and the vertical vibration improves the screening effect of the material, and the double-dimension vibration screening effect is better.

[0045] The outer wall surface of the eccentric wheel 16 is provided with a circle of plane grooves 24 at equal intervals, and a group of roller bodies 25 in contact with the lower surface of the jacking plate 13 is rotatably arranged in the inside of the plane grooves 24, when the jacking plate 13 moves in the front and rear directions, the eccentric wheel 16 is also in a rotating state, when the roller bodies 25 are in contact with the lower surface of the jacking plate 13, the jacking plate 13 is in a sliding connection state between the roller bodies 25, and the wear of the jacking plate 13 on the eccentric wheel 16 is reduced.

[0046] The screen support assembly 15 includes two welding strips 26 respectively welded to the bottom of two L-shaped plate frames 40. Support strips 27 are welded to both sides of the opposite surfaces of the two welding strips 26. A motor frame B31 is welded between the two support strips 27. A drive motor B30 is installed inside the motor frame B31. A support rod 29 for supporting the screen 8 is installed at the drive end of the drive motor B30. When the support rod 29 supports the screen 8, the drive motor B30 drives the support rod 29 to rotate, causing the support rod 29 to rotate within the screen 8. The upper surface of the support rod 29 rotates to expand the contact area between the support rod 29 and the screen 8. This improves the support effect on the screen 8 and ensures that the material screened by the screen 8 can fall normally. The upper surface of the support rod 29 abuts against the lower surface of the screen 8, and the support rod 29 plays a supporting role for the screen 8. When the material falls heavily onto the screen 8, the support rod 29 supports the screen 8 from the bottom and distributes the impact force on the screen 8 to reduce the destructive force of the material impacting the screen 8 when it falls.

[0047] Both sides of the upper surface of the support bar 27 are provided with conical surfaces 28. The conical surfaces 28 also prevent falling materials from accumulating on the support bar 27, so that the top of the support bar 27 is a sharp corner.

[0048] The material leveling and flow equalization component 7 includes two linear motors 32 respectively mounted on the top of the plate 3. A slide bar 33 is installed between the moving ends of the two linear motors 32, and a material leveling plate 39 for leveling the material is provided on the slide bar 33. The linear motors 32 on both sides drive the slide bar 33 to move reciprocally, thus causing the material leveling plate 39 to move left and right. When the material leveling plate 39 moves, it pushes the material to the side, so that the material is more comprehensively and evenly spread on the screen 8, preventing the material from being concentrated and piled up in a certain area of ​​the screen 8. This avoids only local screening of the material by the screen 8, improves the utilization rate of the screen 8, and improves the screening efficiency. When the material leveling plate 39 pushes the material to the side of the screen 8, the material that cannot pass through the screen 8 will fall down from the side of the screen 8 and fall onto the coarse material guide plate 5, and be discharged to the outside by the guidance of the coarse material guide plate 5.

[0049] The top of the motor frame B31 is provided with a concave cavity 36, and a flat plate 39 is rotatably installed in the concave cavity 36 through a rotating shaft, the top of the flat plate 39 is welded with a convex strip B38, the top of the sliding strip 33 is welded with a convex strip A34, the side of the convex strip A34 facing the convex strip B38 is installed with a strip-shaped electromagnet 35, and the side of the convex strip B38 facing the convex strip A34 is installed with a magnetic strip 37; when the flat plate 39 moves transversely, the bottom of the flat plate 39 is inclined to the material, so that the flat plate 39 moves to the material with an inclined force; the inclined flat plate 39 helps the material flow more smoothly, and the gravity helps the material accelerate down the inclined surface; the inclined plate can more effectively push the material and also help reduce the wear of the flat plate 39.

[0050] The upper surface of the L-shaped plate frame 40 is provided with a group of T-shaped positioning grooves 22, and the inside of the T-shaped positioning grooves 22 is clamped with T-shaped positioning blocks 18; when the pressing plate 19 is installed, the T-shaped positioning blocks 18 are clamped in the inside of the T-shaped positioning grooves 22, which can limit the pressing plate 19, make the threaded holes 20 on the pressing plate 19 and the threaded holes on the L-shaped plate frame 40 self-align, improve the installation efficiency, and also make the pressing plate 19 and the L-shaped plate frame 40 in the clamped state, so as to provide a force to the pressing plate 19 and ensure the stability of the pressing plate 19 when the L-shaped plate frame 40 moves forward and backward; a group of T-shaped positioning blocks 18 are welded with the pressing plate 19; the top of the pressing plate 19 is provided with a row of threaded holes 20; the inside of the threaded holes 20 is provided with an internal angle screw 21; the transverse ends of the L-shaped plate frame 40 are provided with threaded holes which are threadedly connected with the internal angle screw 21; meanwhile, the top of the screen 8 is provided with a row of perforations on both sides for the internal angle screw 21 to pass through; the screen 8 is clamped between the pressing plate 19 and the transverse ends of the L-shaped plate frame 40; the internal angle screw 21 is detached from the threaded holes on the L-shaped plate frame 40 to release the fixation of the pressing plate 19; then the screen 8 can be fixed by pressing the pressing plate 19; the screen 8 can be replaced; different screen meshes 8 with different diameters can be replaced according to different screening requirements; meanwhile, the screen 8 is fixed in a non-welding manner, which is convenient for subsequent maintenance and replacement.

[0051] The side of the U-shaped side frame 1 is provided with a discharge port 6; the opposite surfaces of the two transverse connecting plates 2 and below the screen 8 are welded with inclined downward fine material guide plates 4; the downward discharge end of the fine material guide plate 4 is located in the inside of the discharge port 6; the length of the fine material guide plate 4 is greater than the length of the screen 8; the upper side in the inside of the discharge port 6 is welded with a coarse material guide plate 5; the coarse material guide plate 5 is located below the discharge end of the screen 8; and the coarse material guide plate 5 is also welded between the two transverse connecting plates 2.

[0052] The working principle of the present application is as follows:

[0053] When in use, the installation process of the screen 8 is as follows:

[0054] The two flat plates 3 are removed from the top of the cross connecting plate 2, and the flat material flow assembly 7 is detached from the top of the U-shaped side frame 1. After the flat plates 3 are removed, the pressing plate 19 is exposed. The inner corner screw rod 21 is detached from the threaded hole on the L-shaped plate frame 40, and the fixing of the pressing plate 19 is released. Then, the pressing plate 19 can be contacted to fix the screen 8, and the screen 8 can be replaced;

[0055] The material to be screened is poured onto the screen 8. The front and rear rows of cylindrical electromagnets 11 control the screen 8 to move back and forth. The process is as follows:

[0056] When the magnetic poles of the front row of cylindrical electromagnets 11 and the front row of magnet columns 23 are in repulsion, the magnetic poles of the rear row of cylindrical electromagnets 11 and the rear row of magnet columns 23 are in attraction. When the magnetic poles of the front row of cylindrical electromagnets 11 and the front row of magnet columns 23 are in attraction, the magnetic poles of the rear row of cylindrical electromagnets 11 and the rear row of magnet columns 23 are in repulsion. Therefore, through the reciprocating adjustment of the magnetic poles of the front and rear rows of cylindrical electromagnets 11, the front and rear side jacking plates 13 are pushed and pulled, and the screen 8 moves back and forth.

[0057] The vertical vibration process of the screen 8 is as follows:

[0058] The driving motor A10 drives the eccentric wheel 16 to rotate at high speed. The jacking plate 13 is mounted on the outer wall surface of the eccentric wheel 16. The rotation of the eccentric wheel 16 drives the jacking plate 13 to move up and down reciprocally, thereby driving the screen 8 to vibrate vertically to screen the material;

[0059] The material screened by the screen 8 falls onto the fine material guide plate 4 and is guided outward by the fine material guide plate 4;

[0060] The upper surface of the screen rod 29 abuts against the lower surface of the screen 8, and the screen rod 29 supports the screen 8. When the material falls heavily onto the screen 8, the screen rod 29 supports the screen 8 from the bottom of the screen 8, thereby sharing the impact force received by the screen 8;

[0061] When the screen rod 29 supports the screen 8, the driving motor B30 drives the screen rod 29 to rotate, so that the screen rod 29 rotates at the lower surface of the screen 8, thereby expanding the contact area between the screen rod 29 and the screen 8;

[0062] The linear motors 32 on both sides drive the sliding bars 33 to move reciprocally, so that the flat material plate 39 moves left and right. When the flat material plate 39 moves, the material is pushed to the side, so that the material is evenly spread on the screen 8, preventing the material from being concentrated and accumulated in a certain area of the screen 8;

[0063] When the material pushing plate 39 pushes the material to the side edge of the screen 8, the material that cannot pass through the screen 8 will fall down from the side edge of the screen 8 and fall on the coarse material guide plate 5, and then be discharged to the outside through the guide of the coarse material guide plate 5;

[0064] When the material pushing plate 39 pushes the material:

[0065] When the material pushing plate 39 moves to the right side:

[0066] The magnetic pole of the adjusting strip-shaped electromagnet 35 and the magnetic pole of the magnetic strip 37 are controlled to be in repulsion, so that the strip-shaped electromagnet 35 pushes the magnetic strip 37 to the outside, drives the bottom of the material pushing plate 39 to rotate to the direction of the convex strip A34, and the magnetic strip 37 limits the rotation angle of the material pushing plate 39, so that the material pushing plate 39 is in an inclined state;

[0067] When the material pushing plate 39 moves to the left side:

[0068] The magnetic pole of the adjusting strip-shaped electromagnet 35 and the magnetic pole of the magnetic strip 37 are controlled to be in attraction, so that the strip-shaped electromagnet 35 pulls the magnetic strip 37 to the inside, drives the bottom of the material pushing plate 39 to rotate away from the convex strip A34, and at the same time, the magnetic strip 37 limits the rotation angle of the material pushing plate 39, so that the material pushing plate 39 is in an inclined state.

[0069] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A synchronous vibrating screen that is easy to maintain, characterized in that: include: Two U-shaped side frames (1), with horizontal connecting plates (2) welded to the front and rear positions between the opposite faces of the two U-shaped side frames (1), and flat plates (3) bolted to the top of the two U-shaped side frames (1). A screen cavity is formed between the two U-shaped side frames (1) and the two horizontal connecting plates (2), and two L-shaped plate frames (40) are provided inside the screen cavity for limiting the relative arrangement of the two L-shaped plate frames (40). At the same time, the L-shaped plate frames (40) can move back and forth inside the screen cavity. A screen (8) is detachably installed between the opposite surfaces of the two L-shaped plate frames (40). Side baffles (14) are welded between the two sides of the two L-shaped plate frames (40), and the top of the side baffles (14) is provided with a groove for material discharge. A screen support assembly (15) for supporting the screen (8) is installed between the bottoms of the two L-shaped plate frames (40), and the movable end of the screen support assembly (15) rotates on the lower surface of the screen (8) and contacts the lower surface of the screen (8). A material leveling and flow equalization assembly (7) is bolted between the tops of the two flat plates (3), and the movable end of the material leveling and flow equalization assembly (7) is located directly above the screen (8). At the same time, the movable end of the material leveling and flow equalization assembly (7) pushes and spreads the material on the upper surface of the screen (8). Each of the two horizontal connecting plates (2) has a row of mounting holes (12) at its upper position, and a column electromagnet (11) is fixedly installed inside the mounting holes (12). Each of the two L-shaped plate frames (40) has a lifting plate (13) welded to its opposite side. The lifting plate (13) has a row of grooves (17) on the side facing the horizontal connecting plate (2). A magnet column (23) is installed inside the groove (17), and one magnet column (23) corresponds to one column electromagnet (11). Motor frames A (9) are welded to the upper part of the back side of the two horizontal connecting plates (2). A drive motor A (10) is installed inside the motor frame A (9). An eccentric wheel (16) for lifting the lifting plate (13) is installed at the drive end of the drive motor A (10). The screen support assembly (15) includes two welding strips (26) respectively welded to the bottom of two L-shaped plate frames (40), and support strips (27) are welded to both sides of the opposite surfaces of the two welding strips (26). A motor frame B (31) is welded between the two support strips (27). The material leveling and flow equalization component (7) includes two linear motors (32) respectively mounted on the top of the plate (3), a slide bar (33) is installed between the moving ends of the two linear motors (32), and a material leveling plate (39) for leveling the material is provided on the slide bar (33); The top of the motor frame B (31) is provided with a cavity (36), and the flat plate (39) is rotatably installed inside the cavity (36) via a rotating shaft. The top of the flat plate (39) is welded with a protrusion B (38), and the top of the slide bar (33) is welded with a protrusion A (34). A bar electromagnet (35) is installed on the side of the protrusion A (34) facing the protrusion B (38), and a magnetic strip (37) is installed on the side of the protrusion B (38) facing the protrusion A (34).

2. The easy-to-maintain synchronous vibrating screen according to claim 1, characterized in that: The outer wall of the eccentric wheel (16) has a ring of flat grooves (24) at equal intervals, and a set of rollers (25) that are in contact with the lower surface of the lifting plate (13) are rotatably installed inside the flat grooves (24).

3. The easy-to-maintain synchronous vibrating screen according to claim 1, characterized in that: The motor frame B (31) is equipped with a drive motor B (30), and the drive end of the drive motor B (30) is equipped with a support rod (29) for supporting the screen (8).

4. The easy-to-maintain synchronous vibrating screen according to claim 1, characterized in that: Both sides of the upper surface of the support bar (27) are provided with tapered surfaces (28), which makes the top of the support bar (27) have a pointed end.

5. A synchronous vibrating screen that is easy to maintain according to claim 1, characterized in that: The upper surface of the L-shaped plate frame (40) is provided with a set of T-shaped positioning grooves (22), and T-shaped positioning blocks (18) are engaged inside the T-shaped positioning grooves (22). A pressure plate (19) is welded between the set of T-shaped positioning blocks (18). A row of threaded holes (20) is provided on the top of the pressure plate (19). An internal angle screw (21) is provided inside the threaded hole (20). The transverse ends of the L-shaped plate frame (40) are provided with threaded holes that are threadedly connected to the internal angle screw (21). At the same time, a row of through holes for the internal angle screw (21) to pass through are provided on both sides of the top of the screen (8).

6. The easy-to-maintain synchronous vibrating screen according to claim 1, characterized in that: The side of the U-shaped side frame (1) is provided with a discharge port (6). The two horizontal connecting plates (2) are welded to the opposite sides and below the screen (8) with a downwardly inclined fine material guide plate (4). The downward discharge end of the fine material guide plate (4) is located inside the discharge port (6). The length of the fine material guide plate (4) is greater than the length of the screen (8). A coarse material guide plate (5) is welded to the upper side inside the discharge port (6).

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