CN214555125U - Ferrosilicon grading and screening device - Google Patents

Abstract

A ferrosilicon grading screening device belongs to the technical field of screening devices and comprises a primary screening device, a secondary screening device and a material conveying belt, wherein the primary screening device and the secondary screening device are connected through the material conveying belt from left to right, and the aperture of a screen plate of the primary screening device is larger than that of a screen plate of the secondary screening device; two screening plant all include sieve case, feed introduction board, sieve, mounting bracket and sieve drive assembly, and feed introduction board and the relative horizontal plane slope of sieve set up at sieve incasement portion and both slope opposite direction, and the mounting bracket both ends are equipped with the fixed subassembly of sieve, and the sieve passes through the fixed subassembly of sieve and can dismantle with the mounting bracket and be connected, and sieve drive assembly connects on the mounting bracket for the drive sieve vibrates. The utility model provides a exist among the prior art because upper material accumulation is too thick, the screening that appears compounding, card material phenomenon and result in is not thorough, unclean and the sieve is changed inconvenient technical problem that can't satisfy different working conditions, has improved screening efficiency and screening plant's practicality.

Description

Ferrosilicon grading and screening device

Technical Field

The utility model belongs to the technical field of screening plant, concretely relates to ferrosilicon classifying and screening device.

Background

Ferrosilicon is an important alloy material and is widely applied to the industries such as steel industry, casting industry, chemical industry and the like. In the ferrosilicon smelting process, the massive ferrosilicon needs to be crushed after being produced, and the crushed ferrosilicon is classified after being screened so as to meet the requirements of different industries.

The ferrosilicon screening device in the prior art is generally a multilayer screening device, such as a screening device for ferrosilicon crushing disclosed in the Chinese utility model with the patent number of CN201920250462.7, the multilayer screening mechanisms are sequentially arranged from top to bottom to screen the ferrosilicon blocks step by step to obtain the ferrosilicon blocks with different specifications and sizes, because the sieve plate is arranged under the aggregate bin, the materials directly fall from the aggregate port and then are vertically poured on the sieve plate, in the process, the sliding path of the materials is relatively short, and the impact force on the sieve plate is large, so that the materials on the sieve plate are accumulated thickly when being sieved, the phenomena of mixing small materials with large materials and blocking materials are easy to occur, the sieving is not clean and thorough, and because the sieve is all fixed to be set up in screening mechanism, long-time the use can cause the sieve wearing and tearing, and it is inconvenient to change, the unable fine requirement of satisfying different operational aspect, and screening plant flexibility is relatively poor.

Disclosure of Invention

In view of this, the utility model provides a ferrosilicon classifying screen divides device to solve exist among the prior art because upper material accumulation is too thick, the screening that appears compounding, card material phenomenon and lead to is not thorough, unclean and the sieve is changed inconvenient technical problem that can't satisfy different behavior.

The utility model provides a technical scheme that its technical problem adopted as follows:

the screening device comprises a primary screening device, a secondary screening device and a material conveying belt, wherein the primary screening device and the secondary screening device are connected through the material conveying belt from left to right, the primary screening device and the secondary screening device respectively comprise a screen box, a material guiding plate, a screen plate, a mounting frame and a screen plate driving assembly, the material guiding plate is obliquely arranged inside the screen box relative to a horizontal plane, the screen plate is arranged below the material guiding plate, the oblique direction of the screen plate is opposite to that of the material guiding plate, screen plate fixing assemblies are arranged at two ends of the mounting frame, the screen plate is detachably connected with the mounting frame through the screen plate fixing assemblies, and the screen plate driving assembly is connected with the mounting frame and used for driving the screen plate to vibrate; and the sieve plate of the primary screening device is larger than the sieve plate of the secondary screening device in pore size.

Preferably, the placing directions of the primary screening device and the secondary screening device are opposite, the feeding end of the material conveying belt is located at the lower end of an oversize material discharge port of the primary screening device, and the discharging end of the material conveying belt is higher than the upper end of a material guiding plate of the secondary screening device.

Preferably, the material guiding plate is obliquely arranged inside the screen box relative to the horizontal plane, the upper end of the material guiding plate is fixed on one side of the screen box, and the inclination angle of the material guiding plate relative to the horizontal plane is 20-30 degrees.

Preferably, the inclination angle of the sieve plate relative to the horizontal plane is 20-30 degrees.

Preferably, the sieve plate fixing assembly comprises clamping grooves arranged on two sides of the lower end of the mounting frame, the clamping grooves correspond to the side edges of the sieve plate, and the lower end of the sieve plate is clamped on the mounting frame through the clamping grooves; the screen plate fixing assembly further comprises bolts arranged on the left side and the right side of the side face of the upper end of the mounting frame, and the upper end of the screen plate is detachably connected with the upper end of the mounting frame through the bolts.

Preferably, pulleys are symmetrically arranged on the left side and the right side of the side face of the upper end of the mounting frame, and the highest point of each pulley is higher than that of each clamping groove.

Preferably, the sieve plate driving assembly comprises a swinging assembly and a driven swinging assembly, the swinging assembly comprises a motor, a rotating shaft, an eccentric wheel and an eccentric wheel connecting rod, the motor is arranged outside the sieve box close to the lower end of the sieve plate, one end of the rotating shaft penetrates through the sieve box and is connected with the output end of the motor, the other end of the rotating shaft penetrates through an eccentric hole of the eccentric wheel and is fixedly connected with the eccentric wheel, the eccentric wheel connecting rod is vertically arranged, one end of the eccentric wheel connecting rod is sleeved on the eccentric wheel, and the other end of the eccentric wheel connecting rod is fixed on the mounting frame; the driven swing assembly comprises a driven shaft and a connecting seat, the two ends of the driven shaft are fixedly connected in the screen box and parallel to the rotating shaft, the connecting seat is arranged at the upper end of the mounting frame and is sleeved on the outer side of the driven shaft, and the connecting seat can wind the driven shaft to rotate.

Preferably, the lower end of the screen box is provided with a screen underflow discharge port, and a bag filling port is arranged at the screen underflow discharge port; the side of the sieve box is close to the lowest point of the sieve plate and is provided with an oversize material outlet which is obliquely arranged.

According to the above technical scheme, the utility model provides a ferrosilicon screening plant compares its beneficial effect with prior art and is:

one of them, one-level screening plant with in the second grade screening plant, guide plate and sieve homogeneous phase set up horizontal plane slope, the sieve sets up and is drawing the flitch below, and sieve incline direction with draw flitch incline direction opposite, it provides enough long route to draw the flitch and make when ferrosilicon piece from drawing flitch upper end when landing downwards, the intensive dispersion, form thin material layer, arrive on the sieve in proper order, under the drive of sieve drive assembly, reciprocating swing motion about the sieve is done makes ferrosilicon piece and sieve take place relative motion, further form thinner material layer in this in-process, the combination that draws flitch and sieve slope to place makes also can prevent to block the passageway of sieve when guiding ferrosilicon piece gliding on the flitch with higher speed, can not cause the material accumulation too thick, be difficult to appear compounding and the circumstances of card material, be favorable to more thoroughly of ferrosilicon piece screening, The screening efficiency is improved;

and secondly, the one-level screening plant with in the second grade screening plant, the mounting bracket both ends are equipped with the fixed subassembly of sieve and are connected with the sieve is detachable, and it is convenient to dismantle, are convenient for change, can change the sieve of different mesh numbers according to the specification and size of required ferrosilicon piece in the in-service use to satisfy the screening requirement to the required ferrosilicon piece of different working conditions, improved screening plant's practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention at another angle.

Figure 3 is a schematic diagram of the construction of a single screening device.

Fig. 4 is an enlarged view of a point a shown in fig. 3.

Fig. 5 is an enlarged view at B shown in fig. 3.

Fig. 6 is a schematic diagram of a detachable structure of a screen plate in the screening device.

In the figure: the screening device comprises a primary screening device 1, a secondary screening device 2, a material conveying belt 3, a screening box 10, an oversize material outlet 11, an undersize material outlet 12, a bag loading opening 13, a sealing plate 14, a material guiding plate 20, a screening plate 30, a mounting frame 40, a clamping groove 41, a pulley 42, a bolt 43, a swinging assembly 50, a rotating shaft 51, an eccentric wheel 52, an eccentric wheel connecting rod 53, a motor 54, a driven swinging assembly 60, a driven shaft 61 and a connecting seat 62.

Detailed Description

The following combines the utility model discloses an attached drawing is right the technical scheme and the technological effect of the embodiment of the utility model are further elaborated.

Referring to fig. 1 to 6, an embodiment of the present invention provides a ferrosilicon classifying and screening device, which includes a primary screening device 1, a secondary screening device 2 and a material conveying belt 3, the primary screening device 1 and the secondary screening device 2 are connected from left to right through a material conveying belt 3, the primary screening device 1 and the secondary screening device 2 both comprise a screen box 10, a material guiding plate 20, a screen plate 30, a mounting frame 40 and a screen plate driving component, the material guiding plate 20 is obliquely arranged in the screen box 10 relative to the horizontal plane, a screen plate 30 is arranged below the material guiding plate 20, the inclination direction of the sieve plate 30 is opposite to that of the material guiding plate 20, sieve plate fixing components are arranged at two ends of the mounting frame 40, the screen plate is detachably connected with the mounting rack 40 through a screen plate fixing assembly, and the screen plate driving assembly is arranged on the mounting rack 40 and used for driving the screen plate 30 to vibrate; the sieve in the first grade screening plant 1 is the sieve of prescreening, the sieve in the second grade screening plant 2 is the target sieve, the mesh aperture of prescreening the sieve is greater than the mesh aperture of target sieve.

Further, one-level screening plant 1 with second grade screening plant 2's the opposite direction of placing, the feed end of material conveyer belt 3 is located 11 lower extremes of one-level screening plant oversize material discharge gate, the discharge end of material conveyer belt 3 is higher than second grade screening plant's the flitch that draws 20 upper ends, place like this and make ferrosilicon piece follow one-level screening plant 1's oversize material discharge gate 11 discharge on material conveyer belt 3 in the flitch that draws 20 that the second grade screening plant was directly arrived to material conveyer belt 3 after, begin secondary screening work.

Furthermore, the material guiding plate 20 is obliquely arranged inside the sieve box 10 relative to the horizontal plane, the upper end of the material guiding plate is fixed on one side of the sieve box 10, the oblique angle of the material guiding plate 20 relative to the horizontal plane is 20-30 degrees, the design of the angle enables the material conveying to achieve the optimized effect, and the tail end of the material guiding plate 20 is close to the upper end of the sieve plate 30, so that the material is more natural in the transferring process from the material guiding plate 20 to the sieve plate 30.

Further, the inclination angle of the sieve plate 30 relative to the horizontal plane is 20-30 degrees.

Further, the sieve plate fixing assembly comprises clamping grooves 41 arranged on two sides of the lower end of the mounting frame 40, the clamping grooves 41 correspond to the side edges of the sieve plate 30, and the sieve plate 30 is clamped on the mounting frame 40 through the clamping grooves 41; the fixed subassembly of sieve is still including setting up the bolt 43 on both sides about the side of mounting bracket 40 upper end, the upper end of sieve 30 pass through bolt 43 with the connection can be dismantled to the mounting bracket 40 upper end to guarantee the fastness of sieve 30 installation.

Further, pulleys 42 are symmetrically arranged on the left side and the right side of the side face of the upper end of the mounting frame 40, and the pulleys 42 are located on the outer sides of the bolts 43, so that labor is saved when the screen plate 30 is inserted or taken out.

Further, the sieve plate driving assembly comprises a swinging assembly 50 and a driven swinging assembly 60, the swinging assembly comprises a motor 54, a rotating shaft 51, an eccentric wheel 52 and an eccentric wheel connecting rod 53, the motor 54 is arranged outside the sieve box 10 close to the lower end of the sieve plate 30, one end of the rotating shaft 51 penetrates through the sieve box 10 and is connected with the output end of the motor 54, the other end of the rotating shaft 51 penetrates through an eccentric hole of the eccentric wheel 52 and is fixedly connected with the eccentric wheel 52, the eccentric wheel connecting rod 53 is vertically arranged, one end of the eccentric wheel connecting rod is sleeved on the eccentric wheel 52, the other end of the eccentric wheel connecting rod is fixed on the mounting frame 40, when the motor 54 works, the rotating shaft 51 drives the eccentric wheel 52 to rotate so as to drive the eccentric wheel connecting rod 53 to do reciprocating swinging motion up and down, and the sieve plate 30 on the mounting frame 40 swings along with the eccentric wheel; driven subassembly 60 that sways includes driven shaft 61 and connecting seat 62, the both ends fixed connection of driven shaft 61 in sieve case 10, and be on a parallel with pivot 51, connecting seat 62 set up in mounting bracket 40 upper end, and cup joint in the driven shaft 61 outside, connecting seat 62 can wind driven shaft 61 rotates.

Further, the lower extreme of sieve case is provided with undersize discharge gate 12, and undersize discharge gate 12 department is provided with sack 13, makes things convenient for the material bagging-off, the side of sieve case 10 is close to the minimum point department of sieve 30 is provided with oversize discharge gate 11, oversize discharge gate 11 slope sets up.

The utility model discloses a working method as follows: starting a motor 54, pouring the broken ferrosilicon blocks onto a material guiding plate 20 of a primary screening device 1, enabling the ferrosilicon blocks to slide onto a primary screening sieve plate through the material guiding plate 20, enabling the ferrosilicon blocks to slide down on the primary screening sieve plate from top to bottom, enabling a sieve plate driving assembly to drive the primary screening sieve plate to do up-and-down reciprocating swing motion to screen the ferrosilicon blocks, enabling the ferrosilicon blocks with the particle sizes smaller than those of sieve holes of the primary screening sieve plate to fall downwards to be discharged through a screen underflow discharge port 12 below a sieve box, enabling the ferrosilicon blocks which do not pass through the sieve holes to be discharged through an screen overflow discharge port 11 on the side edge of the sieve box, enabling initial materials discharged from the screen underflow discharge port 12 to be conveyed into a material guiding plate 20 of a secondary screening device 2 through a material conveying belt, further reaching a target sieve plate of the secondary screening device 2, carrying out screening under the driving of the sieve plate driving assembly, enabling the ferrosilicon blocks with the particle sizes smaller than those of the sieve holes in the initial materials to be discharged from the screen underflow discharge port 12, in the process, the ferrosilicon blocks are classified and screened.

In the whole screening working process of the screening device, the guide plate 20 and the screen plate 30 in the screen box 10 are obliquely arranged relative to the horizontal plane, the screen plate 30 is arranged below the guide plate 20, and the oblique direction of the screen plate 30 is opposite to that of the guide plate 20, so that the guide plate 20 provides a path long enough to fully disperse a ferrosilicon block when the ferrosilicon block slides downwards from the upper end of the guide plate 20 to form a thin material layer, and the guide plate 20 and the screen plate 30 are obliquely arranged to be combined to prevent the ferrosilicon block from blocking a channel of the screen plate while accelerating the ferrosilicon block to slide downwards on the guide plate, so that the situation of material mixing and material blocking cannot be caused, the ferrosilicon block is prevented from being accumulated too thick, the situation of material mixing and material blocking is not easy to occur, more thorough and cleaner screening of the ferrosilicon block is facilitated, and the screening efficiency is improved; in the in-service use process, when needing to filter other specification and dimension's ferrosilicon piece, the staff only need open the board 14 that seals of sieve case 10 lateral wall, dismantle the bolt 43 of mounting bracket 40 upper end, the handle of holding sieve 30 upper end up is carried, sieve 30 lower extreme just separates with draw-in groove 41, the pulley 42 of installation is taken out in the same direction as mounting bracket 40 upper end to sieve 30, then insert the sieve that corresponds with required material mesh number again and fix the bolt 43 of mounting bracket 40 upper end, start screening plant and can accomplish next screening work, because the sieve is dismantled conveniently, be convenient for change, can be according to the specification and dimension of required ferrosilicon piece in the in-service use process, change the sieve of different mesh numbers, in order to satisfy the screening requirement to the required ferrosilicon piece of different behavior, the practicality of screening plant has been improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a hierarchical screening plant of ferrosilicon which characterized in that: including one-level screening plant, second grade screening plant and material conveyer belt, one-level screening plant with second grade screening plant from left to right passes through material conveyer belt and connects, one-level screening plant with second grade screening plant all includes sieve case, guide plate, sieve, mounting bracket and sieve drive assembly, guide plate relative horizontal plane slope setting is in the sieve incasement portion, the guide plate below is provided with the sieve, sieve incline direction with guide plate incline direction is opposite, the mounting bracket both ends are equipped with the fixed subassembly of sieve, the sieve pass through the fixed subassembly of sieve with the connection can be dismantled to the mounting bracket, sieve drive assembly connects the mounting bracket for the drive sieve vibrates, the mesh aperture of one-level screening plant's sieve is greater than the mesh aperture of second grade screening plant's sieve.

2. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the placing directions of the primary screening device and the secondary screening device are opposite, the lower end of the material conveying belt is located at the lower end of an oversize material discharge port of the primary screening device, and the outlet end of the material conveying belt is higher than the upper end of a material guiding plate of the secondary screening device.

3. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the material guiding plate is obliquely arranged in the screen box relative to the horizontal plane, the upper end of the material guiding plate is fixed on one side of the screen box, and the oblique angle of the material guiding plate relative to the horizontal plane is 20-30 degrees.

4. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the inclination angle of the sieve plate relative to the horizontal plane is 20-30 degrees.

5. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the sieve plate fixing assembly comprises clamping grooves formed in two sides of the lower end of the mounting frame, and the lower end of the sieve plate is clamped on the mounting frame through the clamping grooves; the screen plate fixing assembly further comprises bolts arranged on the left side and the right side of the side face of the upper end of the mounting frame, and the upper end of the screen plate is detachably connected with the upper end of the mounting frame through the bolts.

6. The ferrosilicon classifying and screening device as claimed in claim 5, wherein: pulleys are symmetrically arranged on the left side and the right side of the side face of the upper end of the mounting frame, and the highest point of each pulley is higher than that of each clamping groove.

7. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the sieve plate driving assembly comprises a swinging assembly and a driven swinging assembly, the swinging assembly comprises a motor, a rotating shaft, an eccentric wheel and an eccentric wheel connecting rod, the motor is arranged outside a sieve box close to the lower end of the sieve plate, one end of the rotating shaft penetrates through the sieve box and is connected with the output end of the motor, the other end of the rotating shaft penetrates through an eccentric hole of the eccentric wheel and is fixedly connected with the eccentric wheel, the eccentric wheel connecting rod is vertically arranged, one end of the eccentric wheel connecting rod is sleeved on the eccentric wheel, and the other end of the eccentric wheel connecting rod is fixed on the mounting frame; the driven swing assembly comprises a driven shaft and a connecting seat, the two ends of the driven shaft are fixedly connected in the screen box and parallel to the rotating shaft, the connecting seat is arranged at the upper end of the mounting frame and is sleeved on the outer side of the driven shaft, and the connecting seat can wind the driven shaft to rotate.

8. The ferrosilicon classifying and screening device as claimed in claim 1, wherein: the lower end of the screen box is provided with a screen underflow discharge port, and a bag filling port is formed in the screen underflow discharge port; the side of the sieve box is close to the lowest point of the sieve plate and is provided with an oversize material outlet which is obliquely arranged.

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