Vibrating screen for color sand screening

Abstract

The utility model discloses a vibrating screen for color sand screening. The vibrating screen comprises a workbench and an adjustable screening driving mechanism. Symmetrically-distributed guide grooves are formed in the workbench, sliding seats are slidably connected into the guide grooves, a screening hopper is fixedly connected among the four sliding seats, a discharging opening is formed in the front end of the screening hopper, an inclined discharging plate is fixedly connected to the lower end of the workbench, and a screening plate is connected to the bottom wall of the screening hopper through evenly-distributed bolts; the lower end of the workbench is fixedly connected with supporting legs which are evenly distributed, and the rear ends of the two supporting legs on the rearmost side are fixedly connected with supports. The adjustable screening driving mechanism is arranged between the two supports and the screening hopper, and a control switch set is arranged in the middle of the right side surface of the workbench. According to the vibrating screen for color sand screening, the screening amplitude of the screening hopper can be rapidly adjusted according to the screening requirements of different color sand, and the color sand screening application range of the vibrating screen for color sand screening is effectively expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of color sand screening, in particular to a vibrating screen for color sand screening. BACKGROUND

[0002] Color sand screening is a complex process involving multiple steps and equipment, and the main purpose is to process natural ore or raw materials into color sand products that meet specific specifications and requirements. The vibrating screen for color sand screening produces high-frequency vibrations in the vertical and horizontal directions through the vibration of the vibrating motor, which promotes the continuous jumping and turning of the color sand on the screen surface. Because the amplitude and frequency of the jumping of color sand of different particle sizes on the screen surface are different, the screening and grading of color sand can be realized.

[0003] Some existing vibrating screens for color sand screening use a fixed screening amplitude method to screen color sand at a specific screening amplitude.

[0004] Traditional vibrating screens for color sand screening have some problems, such as using a fixed screening amplitude method that may limit the application range of the vibrating screen for color sand screening, which may affect the efficiency of the vibrating screen for color sand screening. SUMMARY

[0005] The utility model solves the technical problem of overcoming the existing defects and provides a vibrating screen for color sand screening that can quickly adjust the screening amplitude of the screening hopper according to the screening requirements of different color sand, effectively expanding the application range of the vibrating screen for color sand screening, and effectively solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vibrating screen for color sand screening, comprising a workbench and an adjustable screening drive mechanism.

[0007] The workbench is internally provided with symmetrically distributed guide grooves, each of which is internally slidably connected with a sliding seat, and the four sliding seats are fixedly connected with a screening hopper. The front end of the screening hopper is provided with a discharge port, and the lower end of the workbench is fixedly connected with an inclined discharge plate. The bottom wall of the screening hopper is connected with a screening plate through evenly distributed bolts, and the lower end of the workbench is fixedly connected with evenly distributed legs. The rear ends of the two legs on the last side are each fixedly connected with a support.

[0008] The adjustable screening drive mechanism is arranged between the two supports and the screening hopper, which can quickly adjust the screening amplitude of the screening hopper according to the screening requirements of different color sand, effectively expanding the application range of the vibrating screen for color sand screening.

[0009] Further, the middle part of the right surface of the workbench is provided with a control switch group, the input end of the control switch group is electrically connected with an external power supply, and each electric appliance is controlled.

[0010] Further, the adjustable screening drive mechanism comprises a drive frame, a rotating seat, a screw rod, an adjusting cylinder, a connecting seat, a connecting rod, a drive disc and a drive shaft, the drive frame is fixedly connected to the rear end of the screening bucket, the middle part of the bottom surface of the drive frame is fixedly connected with a U-shaped seat, the lower end of the U-shaped seat is rotatably connected with the rotating seat, the lower end of the rotating seat is rotatably connected with the screw rod, the adjusting cylinder is threadedly connected to the lower end of the screw rod, the lower end of the adjusting cylinder is fixedly connected with the connecting seat, the drive shaft is rotatably connected to the rear end of the support respectively, the opposite inner surfaces of the drive shaft are fixedly connected with the drive discs, the connecting shaft is fixedly connected between the drive discs, the connecting rods are rotatably connected to the left and right ends of the connecting shaft respectively, and the upper ends of the connecting rods are rotatably connected with the lower end of the connecting seat through a same pin shaft, so that the colored sand screening with different screening ranges is realized.

[0011] Further, the adjustable screening drive mechanism comprises a drive frame, a rotating seat, a screw rod, an adjusting cylinder, a connecting seat, a connecting rod, a drive disc and a drive shaft, the drive frame is fixedly connected to the rear end of the screening bucket, the middle part of the bottom surface of the drive frame is fixedly connected with a U-shaped seat, the lower end of the U-shaped seat is rotatably connected with the rotating seat, the lower end of the rotating seat is rotatably connected with the screw rod, the adjusting cylinder is threadedly connected to the lower end of the screw rod, the lower end of the adjusting cylinder is fixedly connected with the connecting seat, the drive shaft is rotatably connected to the rear end of the support respectively, the opposite inner surfaces of the drive shaft are fixedly connected with the drive discs, the connecting shaft is fixedly connected between the drive discs, the connecting rods are rotatably connected to the left and right ends of the connecting shaft respectively, and the upper ends of the connecting rods are rotatably connected with the lower end of the connecting seat through a same pin shaft, so that the colored sand screening with different screening ranges is realized.

[0012] Further, the inside of the guide groove is fixedly connected with a guide column, the outer surface of the guide column is slidably connected with the inside of the sliding seat adjacent in the transverse direction, the sliding seat and the bottom wall of the guide groove adjacent in the vertical direction are fixedly connected with a spring, and the spring is movably sleeved on the outer surface of the guide column, so that the movement of the screening bucket is assisted.

[0013] Further, the upper end of the workbench is fixedly connected with a dust cover, the rear end of the dust cover is provided with a feeding bin, the upper end of the feeding bin is rotatably connected with three dispersion rollers, the right end of the middle dispersion roller is fixedly connected with a driving gear, the right end of the dispersion rollers on the front and back sides is fixedly connected with a driven gear, and the driven gears are meshedly connected with the driving gear, so that the dispersion of the colored sand is realized, and dust splashing is avoided.

[0014] Further, the middle part of the left surface of the feeding bin is provided with a motor two, the output shaft of the motor two is fixedly connected with the left end of the middle dispersion roller, and the input end of the motor two is electrically connected with the output end of the control switch group, so that driving force is provided for the dispersion work of the colored sand.

[0015] Compared with the prior art, the colored sand screening device has the following advantages:

[0016] The personnel rotates the screw rod according to the screening requirement of the colored sand, the screw rod and the adjusting cylinder are relatively moved, the length from the upper end of the screw rod to the bottom of the adjusting cylinder is adjusted, the moving range of the screening hopper is adjusted, when the length from the upper end of the screw rod to the bottom of the adjusting cylinder reaches the required value, the personnel realizes the operation of the motor one through the control switch group, the output shaft of the motor one rotates to drive the driving wheel to rotate, the driving wheel rotates to drive the driven wheel to rotate through the transmission belt, the driven wheel rotates to drive the driving shaft on the right to rotate, the driving shaft on the right rotates to drive the driving disc on the right to rotate, the driving disc on the right rotates to drive the driving disc on the left and the driving shaft on the left to rotate under the transmission of the connecting shaft, the driving disc rotates to drive the connecting shaft to rotate around the central axis of the driving shaft, the lower end of the connecting rod rotates around the central axis of the driving shaft, the upper end of the connecting rod is pulled to move up and down reciprocatingly through the connecting seat, the screw rod moves up and down reciprocatingly, the rotating seat assists the angle change of the screw rod in the up and down movement, the driving frame moves up and down reciprocatingly through the U-shaped seat, the screening hopper moves up and down reciprocatingly, the sliding seat moves up and down vertically under the guidance of the corresponding guide column, when the sliding seat moves down, the spring at the lower end of the sliding seat is elastically compressed under the force, when the sliding seat moves up, the spring releases the elastic force to assist the sliding seat to move up, the screening hopper is assisted to move up and down reciprocatingly, and finally the colored sand is screened, the screening range of the screening hopper can be quickly adjusted according to the screening requirement of different colored sand, and the colored sand screening application range of the vibrating screen for screening colored sand is effectively expanded. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic view of the utility model;

[0018] Fig. 2 It is a sectional structure schematic view of the utility model;

[0019] Fig. 3 It is an enlarged structure schematic view of A of the utility model.

[0020] In the drawing: 1 workbench, 2 screening hopper, 3 adjustable screening drive mechanism, 31 driving frame, 32 rotating seat, 33 screw rod, 34 adjusting cylinder, 35 connecting seat, 36 connecting rod, 37 driving disc, 38 driving shaft, 4 screening plate, 5 inclined discharge plate, 6 feeding bin, 7 guide groove, 8 sliding seat, 9 spring, 10 support plate, 11 motor one, 12 driving wheel, 13 driven wheel, 14 dispersion roller, 15 motor two, 16 driving gear, 17 dust cover, 18 supporting leg, 19 control switch group. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those ordinarily skilled in the art without creative work under the premise that the embodiments of the present application are obtained, belong to the scope of protection of the present application.

[0022] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a vibrating screen for colored sand screening, comprising a workbench 1 and an adjustable screening driving mechanism 3.

[0023] The workbench 1 is internally provided with symmetrically distributed guide grooves 7, the guide grooves 7 are internally fixedly connected with guide columns, the outer surfaces of the guide columns are all slidably connected with the interiors of transversely adjacent sliding seats 8, the sliding seats 8 and the bottom walls of vertically adjacent guide grooves 7 are all fixedly connected with springs 9, the springs 9 are all movably sleeved on the outer surfaces of the guide columns, the interiors of the guide grooves 7 are all slidably connected with the sliding seats 8, the four sliding seats 8 are fixedly connected with a screening hopper 2, the front end of the screening hopper 2 is provided with a discharge port, the lower end of the workbench 1 is fixedly connected with an inclined discharge plate 5, the bottom wall of the screening hopper 2 is connected with a screening plate 4 through evenly distributed bolts, the lower end of the workbench 1 is fixedly connected with evenly distributed supporting legs 18, the rear ends of the two supporting legs 18 on the last side are all fixedly connected with supporting bases, the middle part of the right surface of the workbench 1 is provided with a control switch group 19, and the input end of the control switch group 19 is electrically connected with an external power supply.

[0024] Adjustable screening drive mechanism 3: it is arranged between two supports and screening bucket 2, adjustable screening drive mechanism 3 includes drive frame 31, rotating seat 32, screw rod 33, adjusting cylinder 34, connecting seat 35, connecting rod 36, drive disc 37 and drive shaft 38, drive frame 31 is fixedly connected to the rear end of screening bucket 2, the middle part of the bottom surface of drive frame 31 is fixedly connected with U-shaped seat, the lower end of U-shaped seat is rotatably connected with rotating seat 32, the lower end of rotating seat 32 is rotatably connected with screw rod 33, adjusting cylinder 34 is screwedly connected to the lower end of screw rod 33, the lower end of adjusting cylinder 34 is fixedly connected with connecting seat 35, drive shaft 38 is rotatably connected to the rear end of support respectively, the opposite inner surfaces of drive shaft 38 are fixedly connected with drive disc 37, connecting shaft is fixedly connected between drive disc 37, the left and right ends of connecting shaft are rotatably connected with connecting rod 36, the upper end of connecting rod 36 is rotatably connected with the lower end of connecting seat 35 through a same pin shaft, according to the screening requirement of colored sand, rotating screw rod 33, screw rod 33 and adjusting cylinder 34 relatively move, then the length adjustment from the upper end of screw rod 33 to the bottom of adjusting cylinder 34 is realized, then the adjustment of moving amplitude of screening bucket 2 is realized, when the length from the upper end of screw rod 33 to the bottom of adjusting cylinder 34 reaches the required value, the operation of motor one 11 is realized through control switch group 15, the output shaft of motor one 11 rotates to drive the rotation of drive wheel 12, drive wheel 12 rotates to drive the rotation of driven wheel 13 through transmission belt, driven wheel 13 rotates to drive the rotation of right drive shaft 38, right drive shaft 38 rotates to drive the rotation of right drive disc 37, the rotation of left drive disc 37 and drive shaft 38 is realized under the transmission of connecting shaft, the rotation of drive disc 37 makes the rotation of connecting shaft around the central axis of drive shaft 38, then the lower end of connecting rod 36 rotates around the central axis of drive shaft 38, then the upper end of connecting rod 36 pulls adjusting cylinder 34 up and down reciprocating motion through connecting seat 35, then screw rod 33 reciprocates up and down, rotating seat 32 assists the angle change of screw rod 33 in the up and down movement process, at the same time, U-shaped seat drives drive frame 31 to reciprocate up and down, then screening bucket 2 reciprocates up and down, the vertical up and down movement of sliding seat 8 is realized under the guidance of corresponding guide column, when sliding seat 8 moves down, spring 9 at the lower end of sliding seat 8 is elastically compressed under force, when sliding seat 8 moves up, the elastic force of spring 9 is released to assist the upward movement of sliding seat 8, then the assistance of the up and down reciprocating motion of screening bucket 2 is realized, finally the screening of colored sand is realized;

[0025] Wherein: it further includes support plate 10, support plate 10 is fixedly connected between four rear legs 18, the upper end of support plate 10 is provided with motor one 11, the right end of the output shaft of motor one 11 is fixedly connected with drive wheel 12, the right end of right drive shaft 38 is fixedly connected with driven wheel 13, drive wheel 12 and driven wheel 13 are transmissionally connected through transmission belt, the input end of motor one 11 is electrically connected with the output end of control switch group 19;

[0026] The upper end of the workbench 1 is fixedly connected with a dust cover 17, the rear end of the dust cover 17 is provided with a feeding bin 6, the upper end of the feeding bin 6 is rotatably connected with three dispersion rollers 14, the right end of the middle dispersion roller 14 is fixedly connected with a driving gear 16, the right end of the dispersion rollers 14 on the front and back sides is fixedly connected with a driven gear, the driven gears are all in meshing connection with the driving gear 16, the middle part of the left side surface of the feeding bin 6 is provided with a motor two 15, the output shaft of the motor two 15 is fixedly connected with the left end of the middle dispersion roller 14, the input end of the motor two 15 is electrically connected with the output end of the control switch group 19, the color sand to be screened is added to the inside of the feeding bin 6, at the same time, the motor two 15 is realized to run through the control switch group 19, the output shaft of the motor two 15 rotates to drive the middle dispersion roller 14 to rotate, the middle dispersion roller 14 rotates to drive the driving gear 16 to rotate, and then drives the two driven gears to rotate, the driven gears rotate to drive the transversely adjacent dispersion rollers 14 to rotate, and then realizes the dispersion of the color sand, the dispersed color sand falls into the inside of the screening hopper 2, and then realizes the screening work of the color sand, the color sand meeting the requirements is screened to fall into the upper end of the inclined discharge plate 5, and then slides downward under the action of gravity to enter the next working area, and the color sand and impurities not meeting the requirements are moved through the discharge port on the front side of the screening hopper 2.

[0027] The working principle of the vibrating screen for color sand screening provided by the utility model is as follows: in working, personnel first stably place the workbench 1, the screening bucket 2 and other mechanisms with the supporting leg 18 on the horizontal working area, after stable placement, personnel rotate the screw rod 33 according to the screening requirement of the color sand, the screw rod 33 and the adjusting cylinder 34 relatively move, thereby realizing the adjustment of the length from the upper end of the screw rod 33 to the bottom of the adjusting cylinder 34, thereby realizing the adjustment of the moving range of the screening bucket 2, when the length from the upper end of the screw rod 33 to the bottom of the adjusting cylinder 34 reaches the required value, personnel realize the operation of the motor one 11 through the control switch group 15, the rotation of the output shaft of the motor one 11 drives the rotation of the driving wheel 12, the rotation of the driving wheel 12 drives the rotation of the driven wheel 13 through the transmission belt, the rotation of the driven wheel 13 drives the rotation of the driving shaft 38 on the right side, the rotation of the driving shaft 38 on the right side drives the rotation of the driving disc 37 on the right side, the driving disc 37 and the driving shaft 38 on the left side are driven to rotate under the transmission action of the connecting shaft, the rotation of the driving disc 37 drives the rotation of the connecting shaft around the central axis of the driving shaft 38, thereby driving the rotation of the lower end of the connecting rod 36 around the central axis of the driving shaft 38, thereby driving the upper end of the connecting rod 36 to pull the adjusting cylinder 34 to move up and down reciprocatingly through the connecting seat 35, thereby driving the screw rod 33 to move up and down reciprocatingly, the rotation seat 32 assists the angle change of the screw rod 33 in the up and down movement process, simultaneously, the U-shaped seat drives the driving frame 31 to move up and down reciprocatingly, thereby driving the screening bucket 2 to move up and down reciprocatingly, the sliding seat 8 moves vertically up and down under the guiding action of the corresponding guide column when the screening bucket 2 moves up and down reciprocatingly, the spring 9 at the lower end of the sliding seat 8 is elastically compressed under force when the sliding seat 8 moves down, the elastic force of the spring 9 is released to assist the upward movement of the sliding seat 8 when the sliding seat 8 moves up, thereby assisting the up and down reciprocating movement of the screening bucket 2, finally, the screening of the color sand is realized, personnel add the color sand to be screened into the interior of the feeding bin 6, simultaneously, the operation of the motor two 15 is realized through the control switch group 19, the rotation of the output shaft of the motor two 15 drives the rotation of the middle dispersion roller 14, the rotation of the middle dispersion roller 14 drives the rotation of the driving gear 16, thereby driving the rotation of the two driven gears, the rotation of the driven gears drives the rotation of the horizontally adjacent dispersion rollers 14, thereby realizing the dispersion of the color sand, the dispersed color sand falls into the interior of the screening bucket 2, thereby realizing the screening work of the color sand, the color sand meeting the requirements is screened into the upper end of the inclined discharge plate 5, and then slides downward under the action of gravity and enters the next working area, the color sand and impurities not meeting the requirements are moved through the discharge port on the front side of the screening bucket 2.

[0028] It is worth noting that the motor one 11 disclosed in the above embodiment can be selected as YDT132M-4 / 2-pole variable-pole double-speed three-phase asynchronous motor, the motor two 15 can be selected as 90ST-M02430 motor, the control switch group 15 is provided with the control button corresponding to and controlling the switch of the motor one 11 and the motor two 15.

[0029] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A vibrating screen for screening colored sand, characterized in that: It includes a worktable (1) and an adjustable screening drive mechanism (3); Workbench (1): It is equipped with symmetrically distributed guide grooves (7), and each guide groove (7) is slidably connected to a sliding seat (8). The four sliding seats (8) are fixedly connected to a screening hopper (2). The front end of the screening hopper (2) is provided with a discharge port. The lower end of the workbench (1) is fixedly connected to an inclined discharge plate (5). The bottom wall of the screening hopper (2) is connected to a screening plate (4) by evenly distributed bolts. The lower end of the workbench (1) is fixedly connected to evenly distributed support legs (18). The rear ends of the two support legs (18) on the last side are fixedly connected to supports. Adjustable screening drive mechanism (3): It is located between two supports and screening bucket (2); The adjustable screening drive mechanism (3) includes a drive frame (31), a rotating seat (32), a screw (33), an adjusting cylinder (34), a connecting seat (35), a connecting rod (36), a drive disc (37), and a drive shaft (38). The drive frame (31) is fixedly connected to the rear end of the screening hopper (2). A U-shaped seat is fixedly connected to the middle of the bottom surface of the drive frame (31). The rotating seat (32) is rotatably connected to the lower end of the U-shaped seat. The screw (33) is rotatably connected to the lower end of the rotating seat (32). The adjusting cylinder (34) is threaded to the lower end of the screw (33). The lower end of the adjusting cylinder (34) is fixedly connected to the connecting seat (35). The drive shaft (38) is rotatably connected to the rear end of the support. The relative inner surfaces of the drive shaft (38) are fixedly connected to the drive discs (37). The drive discs (37) are fixedly connected to each other. The left and right ends of the connecting shaft are rotatably connected to the connecting rods (36). The upper end of the connecting rod (36) is rotatably connected to the lower end of the connecting seat (35) through the same pin.

2. The vibrating screen for screening colored sand according to claim 1, characterized in that: A control switch group (19) is provided in the middle of the right side surface of the workbench (1), and the input end of the control switch group (19) is electrically connected to an external power supply.

3. The vibrating screen for screening colored sand according to claim 2, characterized in that: It also includes a support plate (10), which is fixedly connected between the four support legs (18) on the rear side. A motor (11) is provided at the upper end of the support plate (10). A drive wheel (12) is fixedly connected to the right end of the output shaft of the motor (11). A driven wheel (13) is fixedly connected to the right end of the drive shaft (38) on the right side. The drive wheel (12) and the driven wheel (13) are connected by a transmission belt. The input end of the motor (11) is electrically connected to the output end of the control switch group (19).

4. The vibrating screen for screening colored sand according to claim 1, characterized in that: The guide groove (7) is fixedly connected to the inside of each guide post. The outer surface of each guide post is slidably connected to the inside of the horizontally adjacent sliding seat (8). A spring (9) is fixedly connected between the sliding seat (8) and the bottom wall of the vertically adjacent guide groove (7). The spring (9) is movably sleeved on the outer surface of the guide post.

5. A vibrating screen for screening colored sand according to claim 2, characterized in that: The upper end of the workbench (1) is fixedly connected to a dust cover (17), and the rear end of the dust cover (17) is provided with a feeding hopper (6). The upper end of the feeding hopper (6) is rotatably connected to three dispersing rollers (14). The right end of the middle dispersing roller (14) is fixedly connected to a drive gear (16), and the right ends of the front and rear dispersing rollers (14) are fixedly connected to driven gears. The driven gears are meshed with the drive gears (16).

6. A vibrating screen for screening colored sand according to claim 5, characterized in that: A second motor (15) is provided in the middle of the left side surface of the feed hopper (6). The output shaft of the second motor (15) is fixedly connected to the left end of the dispersion roller (14) in the middle. The input end of the second motor (15) is electrically connected to the output end of the control switch group (19).

Images