CN212821009U - Rotary classifying screen - Google Patents
Rotary classifying screen Download PDFInfo
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- CN212821009U CN212821009U CN202021177839.XU CN202021177839U CN212821009U CN 212821009 U CN212821009 U CN 212821009U CN 202021177839 U CN202021177839 U CN 202021177839U CN 212821009 U CN212821009 U CN 212821009U
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- bottom plate
- screening
- screen
- rotating shaft
- box
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- 230000000875 corresponding Effects 0.000 claims abstract description 15
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 39
- 230000003014 reinforcing Effects 0.000 claims description 23
- 230000001174 ascending Effects 0.000 claims description 3
- 230000000149 penetrating Effects 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims 2
- 239000008187 granular material Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000037250 Clearance Effects 0.000 description 2
- 230000035512 clearance Effects 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a rotary classifying screen, which belongs to the field of feed processing and comprises a base, wherein a screening mechanism and a driving mechanism are arranged on the base, and the rotary classifying screen is characterized in that the screening mechanism comprises a closed screening box, the screening box comprises a bottom plate and a cover body covered on the bottom plate, the cover body is in sealing fit with the bottom plate, the bottom plate is in an inclined shape with high left and low right, a plurality of screening hole groups are sequentially arranged on the bottom plate from left to right, each screening hole group comprises a plurality of screening holes which have the same aperture and vertically run through the bottom plate, and the apertures of the screening holes in different screening hole groups are sequentially increased from left to right; the lower surface of the bottom plate is provided with a plurality of collecting boxes corresponding to the sieve pore groups, the bottoms of the collecting boxes are inclined in a left-high and right-low manner, and the right end of the bottom of each collecting box is provided with a discharging pipe; an elastic rod is horizontally arranged at the left end inside the collecting box, and a punching ball is arranged at the right end of the elastic rod; the left end of the upper surface of the cover body is provided with a feeding cylinder. The utility model discloses screening efficiency can be effectively increased.
Description
Technical Field
The utility model relates to a feed processing field, in particular to rotary classifying screen.
Background
The rotary classifying screen is used for screening and classifying granulated feeds, and the screen mesh is usually blocked by solid feed particles due to the fact that the existing rotary classifying screen has feed particles with particle sizes similar to the pore sizes of screen pores in the using process, so that the screening efficiency of the screen mesh becomes low, and the screening quality is influenced.
SUMMERY OF THE UTILITY MODEL
On the basis, a rotary classifying screen is needed to be provided, and the rotary classifying screen comprises a base, wherein a screening mechanism and a driving mechanism which is connected with the screening mechanism and is used for driving the screening mechanism to vibrate are arranged on the base, the screening mechanism comprises a closed screen box, the screen box comprises a bottom plate and a cover body which covers the bottom plate, the cover body is in sealing fit with the bottom plate, the bottom plate is in an inclined shape with a high left part and a low right part, a plurality of screen hole groups are sequentially arranged on the bottom plate from left to right, each screen hole group comprises a plurality of screen holes which have the same aperture and vertically penetrate through the bottom plate, and the apertures of the screen holes in different screen hole groups are sequentially increased from left to right; the lower surface of the bottom plate is provided with a plurality of collecting boxes corresponding to the sieve pore groups, the bottoms of the collecting boxes are inclined in a shape that the left part is higher than the right part, and the right end of the bottom of each collecting box is provided with a discharging pipe; an elastic rod is horizontally arranged at the left end inside the collecting box, and a punching ball is arranged at the right end of the elastic rod; the left end of the upper surface of the cover body is provided with a feeding cylinder, and the feeding cylinder is communicated with the inside of the screen box.
The utility model discloses during the use, at first start actuating mechanism, so that actuating mechanism drives the vibration of sieve case, then add the left end of sieve case with pellet feed through charging barrel, the fodder granule that enters into in the sieve case can be in proper order through the sieve pore group that sets up on the bottom plate along the gradient of the bottom of sieve case, during this period, the fodder granule in the aperture of the sieve mesh that the particle diameter is less than the sieve mesh of the sieve mesh group that corresponds can fall to the collection case that corresponds through the sieve mesh of this sieve mesh group, then arrange the material pipe discharge via being connected with the collecting box, wherein, can arrange the fodder granule that transport structure such as lower extreme coupling hose of material pipe will pass through after arranging the screening of material pipe discharge and carry to corresponding storage structure.
Wherein, be provided with the elastic rod on the inside wall of the left end of collecting box, therefore when the sieve case vibrates, the impact ball of the right-hand member of elastic rod can strike the bottom of sieve case under the elastic effect of inertia and elastic rod to can shake out the sieve mesh with the fodder granule of the aperture size looks like of sieve mesh of card in the sieve mesh, make it roll the bigger sieve pore group department of next sieve mesh, thereby can effectively avoid the sieve mesh to block up, and then can ensure the utility model discloses a screening efficiency.
Additionally, the utility model discloses in, the aperture of the sieve mesh in the sieve pore group of the rightmost end of setting in the bottom of sieve case is great to guarantee that the biggest feed pellet of particle diameter can pass this sieve pore group in the sieve case.
Further, a gap is formed between the impact ball and the bottom plate of the screen box.
The clearance between the impact ball and the bottom plate of the screen box can ensure that the impact ball can swing up and down relative to the bottom plate, and further can effectively impact the bottom plate.
Furthermore, a first reinforcing plate is fixedly arranged at the left end of the screen box, first vibrating springs are arranged at the front end and the rear end of the lower surface of the first reinforcing plate, a first supporting plate is vertically arranged on the base corresponding to the first reinforcing plate, and the lower end of the first vibrating spring is fixedly arranged at the upper end of the first supporting plate; the right-hand member of sieve case is fixed to be provided with the second reinforcing plate, both ends all are provided with second vibrating spring around the lower surface of second reinforcing plate, the base corresponds the second reinforcing plate is vertical to be provided with the second backup pad, second vibrating spring's lower extreme fixed set up in the upper end of second backup pad.
First backup pad and second backup pad and set up first vibrating spring and second vibrating spring in first backup pad and second backup pad and be used for supporting the sieve case to guarantee that the sieve case can vibrate in a plurality of directions at actuating mechanism's drive relative base down, for vibration in single side, for vibration about for example, vibration about and, the utility model discloses a vibration effect is better, can effectively increase screening efficiency, avoids the fodder granule to pile up on the bottom plate of sieve case and causes the screening thoroughly.
Furthermore, the driving mechanism comprises a rotating shaft which is rotatably and vertically arranged on the base and a driving motor which is in driving connection with the rotating shaft and is used for driving the rotating shaft to rotate; the fixed transmission piece that is provided with in left side of first reinforcing plate, be provided with vertically running through in the transmission piece the transmission round hole of transmission piece, the upper end of pivot upwards extends and passes the transmission round hole, just the left side of pivot with the inside wall of transmission round hole offsets, the fixed pendulum rod that is provided with in side of pivot, the pendulum rod level sets up, the pendulum rod is located in the transmission round hole, and is located the ascending middle part in vertical side of transmission round hole.
Wherein, driving motor is used for driving the pivot and rotates, and then drives the epaxial pendulum rod of commentaries on classics and promote the removal of transmission piece all around, and then drives the screen box and move about, moves the in-process that moves about around the screen box, because the dead weight of screen box and the removal of screen incasement fodder, the screen box still can reciprocate simultaneously, and then can make the multi-direction vibration of screen box.
Further, the thickness value of the transmission block is greater than twice the length value of the first vibration spring.
When the classifying screen does not work, the swing rod is positioned in the middle of the transmission round hole in the vertical direction, the thickness of the transmission block is more than twice of the length value of the vibration spring, and the swing rod can be effectively prevented from being separated from the transmission round hole.
Furthermore, set up on the bottom plate and be used for the installation the mounting hole of pivot, the lower extreme of pivot pass through the bearing rotationally set up in the mounting hole, driving motor pass through the mounting panel vertical set up in on the base, driving motor's transport is epaxial to be provided with first belt pulley, the pivot corresponds first belt pulley is provided with the second belt pulley, first belt pulley and second belt pulley pass through driving belt drive and connect.
The rotating shaft and the driving motor are driven by the belt, so that the influence of the deformation of the bearing caused by the extrusion of the transmission block on the operation of the driving motor can be effectively avoided.
Furthermore, a third supporting plate is further arranged on the base corresponding to the rotating shaft, a supporting block is fixedly arranged on the third supporting plate, a supporting hole vertically penetrating through the supporting block is formed in the supporting block, and the rotating shaft penetrates through the supporting hole and is rotatably connected with the supporting hole through a bearing.
Third backup pad and supporting shoe are used for strengthening the base to the bearing structure's of pivot intensity, in order to increase the utility model discloses a transmission structure's stability.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
the utility model discloses in, be provided with the elastic rod on the inside wall of the left end of collecting box, therefore when the sieve case vibrates, the impact ball of the right-hand member of elastic rod can strike the bottom of sieve case under the elastic effect of inertia and elastic rod to can shake out the sieve mesh with the fodder granule of the aperture size looks imitative of sieve mesh in the sieve mesh, make it roll the bigger sieve pore group department of next sieve mesh, thereby can effectively avoid the sieve mesh to block up, and then can ensure the utility model discloses a screening efficiency.
Drawings
Fig. 1 is a schematic front view of a rotary classifying screen according to an embodiment of the present invention;
fig. 2 is a schematic top view of a rotary classifying screen according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic sectional structure view of the sieve box according to the embodiment of the present invention.
Description of reference numerals:
1-base, 11-first supporting plate, 111-first vibrating spring, 12-second supporting plate, 121-second vibrating spring, 13-mounting plate, 21-screen box, 2111-screen hole group, 221-swing rod, 2211-impact ball, 22-collecting box, 23-discharging pipe, 24-feeding cylinder, 25-first reinforcing plate, 26-second reinforcing plate, 27-transmission block, 271-transmission circular hole, 31-driving motor, 32-rotating shaft, 33-transmission belt, 341-first belt pulley and 342-second belt pulley.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
as shown in fig. 1-4, a rotary classifying screen comprises a base 1, wherein a screening mechanism and a driving mechanism connected with the screening mechanism and used for driving the screening mechanism to vibrate are arranged on the base 1, the screening mechanism comprises a closed screening box 21, the screening box 21 comprises a bottom plate and a cover body covering the bottom plate, the cover body is in sealing fit with the bottom plate, the bottom plate is in an inclined shape with a high left and a low right, a plurality of screening hole groups 2111 are sequentially arranged on the bottom plate from left to right, each screening hole group 2111 comprises a plurality of screening holes which have the same aperture and vertically penetrate through the bottom plate, and the apertures of the screening holes in different screening hole groups 2111 are sequentially increased from left to right; the lower surface of the bottom plate is provided with a plurality of collecting boxes 22 corresponding to the sieve pore groups 2111, the bottoms of the collecting boxes 22 are inclined with the left higher and the right lower, and the right end of the bottom of the collecting box 22 is provided with a discharging pipe 23; an elastic rod is horizontally arranged at the left end inside the collecting box 22, and an impact ball 2211 is arranged at the right end of the elastic rod; the left end of the upper surface of the cover body is provided with a feeding cylinder 24, and the feeding cylinder 24 is communicated with the inside of the screen box 21.
The utility model discloses during the use, at first start drive mechanism, so that drive mechanism drives sieve case 21 vibration, then add the left end of sieve case 21 with pellet feed through charging barrel 24, the fodder granule that enters into in the sieve case 21 can be in proper order through setting up sieve mesh group 2111 on the bottom plate along the gradient of the bottom of sieve case 21, during this period, the fodder granule in the aperture that the particle diameter is less than the sieve mesh of corresponding sieve mesh group 2111's sieve mesh can fall to corresponding collecting box 22 through this sieve mesh group 2111's sieve mesh, then arrange row's material pipe 23 discharge via being connected with collecting box 22, wherein, can carry the fodder granule after arranging material pipe 23 exhaust screening to corresponding storage structure at transport structure such as the lower extreme coupling hose of arranging material pipe 23.
Wherein, be provided with the elastic rod on the inside wall of the left end of collecting box 22, therefore when sieve case 21 vibrates, the impact ball 2211 of the right-hand member of elastic rod can strike the bottom of sieve case 21 under the elastic effect of inertia and elastic rod to can shake out the sieve mesh with the fodder granule of the aperture size simulation of sieve mesh of card in the sieve mesh, make it roll the bigger sieve mesh of next sieve mesh group 2111 department, thereby can effectively avoid the sieve mesh to block up, and then can ensure the utility model discloses a screening efficiency.
Additionally, the utility model discloses in, the aperture of the sieve mesh in the sieve mesh group 2111 of the rightmost end of setting in the bottom of sieve case 21 is great to guarantee that the biggest feed pellet of particle diameter can pass this sieve mesh group 2111 in the sieve case 21.
Further, there is a gap between the impact ball 2211 and the bottom plate of the screen box 21.
The clearance between impact ball 2211 and the bottom plate of sieve box 21 can ensure that impact ball 2211 can swing up and down relative to the bottom plate, and further can effectively impact the bottom plate.
Further, a first reinforcing plate 25 is fixedly arranged at the left end of the screen box 21, first vibration springs 111 are arranged at the front end and the rear end of the lower surface of the first reinforcing plate 25, a first supporting plate 11 is vertically arranged on the base 1 corresponding to the first reinforcing plate 25, and the lower end of the first vibration spring 111 is fixedly arranged at the upper end of the first supporting plate 11; the right-hand member of sieve case 21 is fixed to be provided with second reinforcing plate 26, both ends all are provided with second vibrating spring 121 around the lower surface of second reinforcing plate 26, base 1 corresponds second reinforcing plate 26 is vertical to be provided with second backup pad 12, second vibrating spring 121's lower extreme fixed set up in the upper end of second backup pad 12.
First backup pad 11 and second backup pad 12 and set up first vibrating spring 111 and second vibrating spring 121 in first backup pad 11 and second backup pad 12 and be used for supporting sieve case 21 to guarantee that sieve case 21 can vibrate in a plurality of directions relative base 1 under actuating mechanism's drive, for vibration in single direction, for vibration, for example vibration and left and right sides vibration, the utility model discloses a vibration effect is better, can effectively increase screening efficiency, avoids the fodder granule to pile up on sieve case 21's bottom plate and causes the screening incomplete.
Further, the driving mechanism comprises a rotating shaft 32 which is rotatably and vertically arranged on the base 1 and a driving motor 31 which is in driving connection with the rotating shaft 32 and is used for driving the rotating shaft 32 to rotate; the fixed transmission block 27 that is provided with in left side of first reinforcing plate 25, be provided with vertically in the transmission block 27 and run through transmission block 27's transmission round hole 271, the upper end of pivot 32 upwards extends and passes transmission round hole 271, just the left side of pivot 32 with the inside wall of transmission round hole 271 offsets, the fixed pendulum rod 221 that is provided with in side of pivot 32, pendulum rod 221 level sets up, pendulum rod 221 is located in the transmission round hole 271, and is located the ascending middle part in the vertical direction of transmission round hole 271.
The driving motor 31 is used for driving the rotating shaft 32 to rotate, and then driving the swing rod 221 on the rotating shaft 32 to push the transmission block 27 to move front, back, left and right, and further drive the screen box 21 to move front, back, left and right, and in the process of moving front, back, left and right of the screen box 21, the screen box 21 can also move up and down simultaneously due to the dead weight of the screen box 21 and the movement of the feed in the screen box 21, and further the screen box 21 can vibrate in multiple directions.
Further, the thickness value of the transmission block 27 is greater than twice the length value of the first vibration spring 111.
When the classifying screen does not work, the swing rod 221 is located in the middle of the transmission round hole 271 in the vertical direction, and the thickness of the transmission block 27 is larger than twice of the length value of the vibration spring, so that the swing rod 221 can be effectively prevented from coming off the transmission round hole 271.
Further, a mounting hole for mounting the rotating shaft 32 is formed in the bottom plate, the lower end of the rotating shaft 32 is rotatably arranged in the mounting hole through a bearing, the driving motor 31 is vertically arranged on the base 1 through the mounting plate 13, a first belt pulley 341 is arranged on a conveying shaft of the driving motor 31, the rotating shaft 32 corresponds to the first belt pulley 341 and is provided with a second belt pulley 342, and the first belt pulley 341 and the second belt pulley 342 are in driving connection through a transmission belt 33.
The rotating shaft 32 and the driving motor 31 are driven by a belt, so that the influence of the deformation of the bearing caused by the extrusion of the driving block 27 on the operation of the driving motor can be effectively avoided.
Further, a third support plate is further arranged on the base 1 corresponding to the rotating shaft 32, a support block is fixedly arranged on the third support plate, a support hole vertically penetrating through the support block is formed in the support block, and the rotating shaft 32 penetrates through the support hole and is rotatably connected with the support hole through a bearing.
Third backup pad and supporting shoe are used for strengthening base 1 to the bearing structure's of pivot 32 intensity, in order to increase the utility model discloses a transmission structure's stability.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A rotary classifying screen comprises a base, wherein a screening mechanism and a driving mechanism which is connected with the screening mechanism and is used for driving the screening mechanism to vibrate are arranged on the base, and the rotary classifying screen is characterized in that the screening mechanism comprises a closed screening box, the screening box comprises a bottom plate and a cover body covering the bottom plate, the cover body is in sealing fit with the bottom plate, the bottom plate is in an inclined shape with a high left and a low right, a plurality of screen hole groups are sequentially arranged on the bottom plate from left to right, each screen hole group comprises a plurality of screen holes which have the same aperture and vertically penetrate through the bottom plate, and the apertures of the screen holes in different screen hole groups are sequentially increased from left to right; the lower surface of the bottom plate is provided with a plurality of collecting boxes corresponding to the sieve pore groups, the bottoms of the collecting boxes are inclined in a shape that the left part is higher than the right part, and the right end of the bottom of each collecting box is provided with a discharging pipe; an elastic rod is horizontally arranged at the left end inside the collecting box, and a punching ball is arranged at the right end of the elastic rod; the left end of the upper surface of the cover body is provided with a feeding cylinder, and the feeding cylinder is communicated with the inside of the screen box.
2. The rotary sizing screen of claim 1 wherein there is a gap between the impact balls and the floor of the screen box.
3. The rotary classifying screen according to claim 2, wherein a first reinforcing plate is fixedly arranged at the left end of the screen box, first vibrating springs are respectively arranged at the front end and the rear end of the lower surface of the first reinforcing plate, a first supporting plate is vertically arranged on the base corresponding to the first reinforcing plate, and the lower end of the first vibrating spring is fixedly arranged at the upper end of the first supporting plate; the right-hand member of sieve case is fixed to be provided with the second reinforcing plate, both ends all are provided with second vibrating spring around the lower surface of second reinforcing plate, the base corresponds the second reinforcing plate is vertical to be provided with the second backup pad, second vibrating spring's lower extreme fixed set up in the upper end of second backup pad.
4. The rotary classifying screen according to claim 3, wherein the driving mechanism includes a rotating shaft vertically rotatably disposed on the base and a driving motor drivingly connected to the rotating shaft for driving the rotating shaft to rotate; the fixed transmission piece that is provided with in left side of first reinforcing plate, be provided with vertically running through in the transmission piece the transmission round hole of transmission piece, the upper end of pivot upwards extends and passes the transmission round hole, just the left side of pivot with the inside wall of transmission round hole offsets, the fixed pendulum rod that is provided with in side of pivot, the pendulum rod level sets up, the pendulum rod is located in the transmission round hole, and is located the ascending middle part in vertical side of transmission round hole.
5. The rotary sizing screen of claim 4 wherein the thickness of the drive block has a value greater than twice the length of the first vibratory spring.
6. The rotary classifying screen according to claim 4, wherein the bottom plate is provided with a mounting hole for mounting the rotating shaft, the lower end of the rotating shaft is rotatably disposed in the mounting hole through a bearing, the driving motor is vertically disposed on the base through a mounting plate, a conveying shaft of the driving motor is provided with a first belt pulley, the rotating shaft is provided with a second belt pulley corresponding to the first belt pulley, and the first belt pulley and the second belt pulley are drivingly connected through a transmission belt.
7. The rotary classifying screen according to claim 6, wherein a third supporting plate is further provided on the base corresponding to the rotating shaft, a supporting block is fixedly provided on the third supporting plate, a supporting hole vertically penetrating the supporting block is provided on the supporting block, and the rotating shaft passes through the supporting hole and is rotatably connected with the supporting hole through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177839.XU CN212821009U (en) | 2020-06-23 | 2020-06-23 | Rotary classifying screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177839.XU CN212821009U (en) | 2020-06-23 | 2020-06-23 | Rotary classifying screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212821009U true CN212821009U (en) | 2021-03-30 |
Family
ID=75176080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021177839.XU Active CN212821009U (en) | 2020-06-23 | 2020-06-23 | Rotary classifying screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212821009U (en) |
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2020
- 2020-06-23 CN CN202021177839.XU patent/CN212821009U/en active Active
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