CN113546842A - Drawer type rotary classifying screen - Google Patents
Drawer type rotary classifying screen Download PDFInfo
- Publication number
- CN113546842A CN113546842A CN202110877059.9A CN202110877059A CN113546842A CN 113546842 A CN113546842 A CN 113546842A CN 202110877059 A CN202110877059 A CN 202110877059A CN 113546842 A CN113546842 A CN 113546842A
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- China
- Prior art keywords
- sieve
- screen
- frame
- boat
- shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Abstract
The technology discloses a drawer type rotary classifying screen, which comprises a transmission mechanism, a screen boat, a screen frame, a screen boat supporting seat, a rack and the like; the transmission mechanism is connected to the head of the sieve boat supporting seat, the transmission mechanism is connected with the head of the sieve boat, the upper part of the vertical elastic vibration support is connected with the tail of the sieve boat, the lower part of the vertical elastic vibration support is connected with the tail of the sieve boat supporting seat, one end part of the transverse elastic vibration support is connected with the tail of the sieve boat, and the other end part of the transverse elastic vibration support is connected with the tail of the sieve boat supporting seat; the sieve boat is connected with a sieve frame mounting frame which is rotatably connected with a pressing shaft, the sieve frame can be pushed into or pulled out of the sieve boat from the top of the pressing shaft, and an eccentric pressing block is arranged on the pressing shaft. According to the technology, the side surface quick opening door is arranged, and the screen frame can be conveniently and quickly taken out from the side surface of the rotary grading screen for replacement, so that the production efficiency is improved; the discharging box is connected to the outside of the frame, so that the mounting and dismounting are convenient, and the working efficiency is improved; the tail elastic vibration support is arranged, and the service life of the equipment is prolonged.
Description
Technical Field
The technology relates to the technical field of feed screening, in particular to a drawer type rotary classifying screen.
Background
With the rapid development of grain, feed, food processing and chemical pharmaceutical industry in China, the rotary grading sieve takes an irreplaceable role in the whole process system by a method of separating according to different particle sizes of materials and impurities; when the existing rotary classifying screen is in flexible connection with a discharge port in an engineering field, an installer needs to drill the bottom of the equipment for installation and connection, which is very inconvenient; when the screen is replaced, the screen cover, the upper screen frame, the spacing frame and the lower screen frame need to be sequentially hung and removed, and the whole operation procedure is complex, time-consuming and labor-consuming; in addition, the tail of the equipment is supported by a nylon plate, so that the service life is short, and the fracture risk is high; the above problems seriously affect the production efficiency.
Disclosure of Invention
The technical problem that this technique will be solved provides a drawer type rotary classifying screen to the not enough of above-mentioned prior art, and this drawer type rotary classifying screen sets up the side and opens the door soon, and the reel can follow the convenient quick change of taking out in rotary classifying screen's side, has improved production efficiency, sets up afterbody elastic vibration support, has improved equipment life.
In order to achieve the technical purpose, the technical scheme adopted by the technology is as follows:
a drawer type rotary classifying screen comprises a transmission mechanism, a screen boat, a screen frame, a vertical elastic vibration support, a transverse elastic vibration support, a screen boat supporting seat and a frame;
the transmission mechanism is connected to the head of the sieve boat supporting seat, the transmission mechanism is connected with the head of the sieve boat and used for driving the sieve boat to swing, the upper part of the vertical elastic vibration support is connected with the tail of the sieve boat, the lower part of the vertical elastic vibration support is connected with the tail of the sieve boat supporting seat, the sieve boat supporting seat is hung on the rack, one end of the transverse elastic vibration support is connected with the tail of the sieve boat, the other end of the transverse elastic vibration support is connected with the tail of the sieve boat supporting seat, and the head of the sieve boat is higher than the tail of the sieve boat;
the screen boat is connected with a screen frame mounting rack, the screen frame mounting rack is rotatably connected with a pressing shaft, the screen frame can be pushed into or pulled out of the screen boat from the upper part of the pressing shaft, an eccentric pressing block is arranged on the pressing shaft, and side quick-opening doors are arranged on the left side and the right side of the screen boat;
when the pressing shaft rotates on the screen frame mounting frame, the eccentric pressing block on the pressing shaft can press the supporting screen supporting plate in the screen frame or loosen the supporting screen supporting plate in the screen frame.
As a further improved technical scheme of the technology, the transmission mechanism comprises a base, an upper bearing part, a middle bearing part, a lower bearing part, a transmission shaft, a transmission case, an eccentric shaft, a balancing weight, a first belt pulley, a second belt pulley and a motor, wherein the transmission case is connected with the head of the support seat of the sieve boat through the base, the transmission shaft penetrates through the inner side of the transmission case, the upper part of the transmission shaft is rotatably connected with the top of the transmission case through the middle bearing part, the lower part of the transmission shaft is rotatably connected with the bottom of the transmission case through the lower bearing part, the bottom end of the transmission shaft is positioned below the transmission case and is connected with the first belt pulley, the motor is connected with the transmission case, the output shaft of the motor is connected with the second belt pulley, the first belt pulley is connected with the second belt pulley through a belt, the top end of the transmission shaft is positioned above the transmission case and is connected with the eccentric shaft through a coupler, and a balancing weight is arranged on one side of the eccentric shaft and connected to the coupler, and the top end of the eccentric shaft is connected with the head of the sieve vessel through an upper bearing component.
As the further improved technical scheme of the technology, the number of the vertical elastic vibration supports is 2, and the vertical elastic vibration supports are symmetrically arranged on two sides of the tail of the sieve ship.
As the technical scheme of this technical further improvement, the sieve ship includes top layer frame, middle level frame and bottom backup pad, there is the screen deck through bolted connection on the top layer frame, be connected through many vertical support frames between top layer frame and the middle level frame, middle level frame and bottom backup pad are connected through many vertical support frames, all are connected with the reel mounting bracket on every vertical support frame, are equipped with cavity and this cavity between two adjacent vertical support frames and are used for holding the reel, every the below both sides of reel all are provided with the hold-down spindle, the hold-down spindle rotates with the card hole on the reel mounting bracket to be connected, the one end of hold-down spindle is rotated and is connected with rotatory handle, the bottom that the side opened the door soon is articulated with the bottom of bottom backup pad, the top that the side opened the door soon is connected through compressing tightly the handle with the top layer frame.
As the technical scheme of further improvement of the technology, the vertical support frame is further connected with a screen frame baffle, and the screen frame baffles are located on the same side of the screen ship.
As a further improved technical scheme of the technology, the sealing rubber strips are adhered to the inner side surfaces of the side quick-opening doors, and the side quick-opening doors are connected with the left side and the right side of the sieve ship in a sealing mode through the sealing rubber strips.
As a further improved technical scheme of the technology, the screening device further comprises a discharge box, the tail of the screening boat is connected with the discharge box through bolts, the discharge box is located outside the rack, and the discharge box is sequentially provided with a large sundry material discharge port, a finished material discharge port and a powder material discharge port from top to bottom.
As the further improved technical scheme of the technology, the screen frame comprises an upper screen plate, a supporting screen and cleaning bouncing balls; the upper sieve plate is a punching sieve plate, and the left side and the right side of the upper sieve plate are both provided with bending edges; the supporting screen comprises a lower screen and a frame positioned on the upper surface of the lower screen, the frame comprises a plurality of screen grids which are sequentially arranged on the upper surface of the lower screen, and a plurality of cleaning bouncing balls are placed in each screen grid; the upper sieve plate is positioned above the supporting sieve, and the aperture on the upper sieve plate is smaller than that of the lower sieve mesh of the supporting sieve; the outer frames on the left side and the right side of the support screen frame are clamped on the inner sides of the bending edges of the upper screen plate, and the upper screen plate can slide forwards or backwards away from the support screen.
As a further improved technical scheme of the technology, the frame is connected with the upper surface of the lower screen in a welding mode, the plurality of screen grids are connected in sequence in a welding mode, and the left side and the right side of the frame are connected with supporting screen supporting plates in a welding mode.
As a further improved technical scheme of the technology, the cleaning bouncing ball is made of rubber.
The beneficial effect of this technique does:
this technique is troublesome to current drive mechanism dismouting, and the discharge gate is connected inconveniently, and it is big to change reel work load, and the afterbody supports the condition that life is low, proposes the solution, reaches improvement work efficiency, improves production efficiency, improve equipment life's purpose. Specifically, the technology designs the bearing at the middle lower part of the transmission mechanism to be arranged from the lower part, so that a worker can arrange the upper bearing part from the upper part and arrange the lower bearing part from the lower part, thereby improving the installation and maintenance efficiency; the discharge port is manufactured into an integral discharge box, and the discharge port is placed outside the rack, so that the working efficiency is improved; the side quick-opening door is arranged, and the upper sieve plate in the sieve frame can be conveniently and quickly taken out from the side of the rotary grading sieve for replacement, so that the production efficiency is improved; the tail elastic vibration support is arranged to replace an originally used nylon plate and a glass fiber plate, so that the concentrated stress generated when the equipment runs can be effectively released, the conditions such as fracture of the support plate and the like can not occur, and the service life of the equipment is prolonged.
The technology divides the whole layer of rotary screen frame into three small frames, each small frame can be assembled and disassembled from the side of the screening boat, each frame is divided into an upper screen plate, a cleaning bouncing ball and a supporting screen, the upper screen plate is punched according to the customer requirements, the aperture on the upper screen plate is smaller than the aperture of the lower screen mesh of the supporting screen, and when the frames are replaced, only the upper screen plate with punched holes of different diameters needs to be replaced; the cleaning bouncing ball is made of rubber, so that the sieve pores of the upper sieve plate and the lower sieve plate can be fully cleaned, and materials are prevented from being condensed to block the sieve pores; the supporting screen is a welding frame, and the bottom of the supporting screen is covered with a 2-mesh lower screen; when the cleaning and jumping ball type screen is installed, the cleaning and jumping balls are firstly installed in each screen lattice of the supporting screen, then the upper screen plate is clamped, and the installation is completed, so that the screen frame can be installed in the screen ship, and the installation is very convenient; when the screen frame is replaced, the upper screen plate is pulled out only from the side surface of the screen ship, the problem that the screen frame is difficult to disassemble, assemble and replace is solved, and the working efficiency is greatly improved.
Drawings
Fig. 1 is a perspective view of the drawer-type rotary classifying screen according to the present invention.
Fig. 2 is a perspective view of the drawer-type rotary classifying screen according to the second embodiment.
Fig. 3 is a front view of the overall structure of the drawer-type rotary classifying screen of the present technology.
Fig. 4 is a right side view of the overall construction of the drawer-type rotary classifying screen of the present technology.
FIG. 5 is a top view of the overall construction of a drawer-type rotary classifying screen according to the present technology.
Fig. 6 is a schematic structural view of a hidden portion of a pressing shaft and a screen frame of the drawer-type rotary classifying screen according to the present technology.
Fig. 7 is a cross-sectional view a-a of the transmission mechanism of fig. 3.
Fig. 8 is an axial view of the drive mechanism of the drawer-type rotary classifying screen of the present technology.
Fig. 9 is an axial view showing a pressed state of a screen frame of the drawer type rotary classifying screen according to the present technology.
FIG. 10 is a front view of a drawer-type rotary classifying screen according to the present invention in a state where the screen frame is pressed.
Fig. 11 is an axial view of a drawer type rotary classifying screen according to the present technology in a state where the screen frame is released.
Fig. 12 is a front view of the drawer type rotary classifying screen according to the present technology in a state where the screen frame is released.
Fig. 13 is a partial view B of the screen frame of fig. 3 installed in a screen boat.
Fig. 14 is a partial C view of the screen frame mounting location of fig. 6.
Fig. 15 is a partial D view of the squeeze grip of fig. 5.
Fig. 16 is a front view of an upper screen plate of a screen frame of the present technology.
Figure 17 is a top view of the upper screen deck of the screen frame of the present technology.
Figure 18 is a front view of a support screen of the screen frame of the present technology.
Fig. 19 is an assembled cross-sectional view of a screen frame of the present technology.
In the figure: 1. a frame; 2. a sieve boat supporting seat; 3. a transmission mechanism; 4. a sieve vessel; 5. a pressing handle; 6. a screen cover; 7. a top layer frame; 8. a middle layer frame; 9. a bottom support plate; 10. a vertical support frame; 11. rotating the handle; 12. a screen frame; 13. a screen frame baffle; 14. a discharging box; 15. a vertical elastic vibration support; 16. a transverse elastic vibration support; 17. a large sundry material outlet; 18. discharging a finished product material; 19. a powder discharge port; 20. a feed inlet; 21. a balancing weight; 22. a middle bearing component; 23. a drive shaft; 24. a transmission case; 25. a lower bearing component; 26. a first pulley; 27. a belt; 28. a second pulley; 29. a motor; 30. a coupling; 31. an eccentric shaft; 32. an upper bearing member; 33. a pressing shaft; 34. an eccentric compact block; 35. a screen frame mounting frame; 36. the side edge of the door is opened quickly; 37. bending edges; 38. an upper sieve plate; 39. punching an upper sieve plate; 40. a support screen; 41. cleaning the bouncing ball; 42. supporting a screen supporting plate; 43. and (5) a lower screen mesh.
Detailed Description
Embodiments of the present technology are further described below with reference to the accompanying drawings:
as shown in fig. 1 to 6, a drawer-type rotary classifying screen comprises a transmission mechanism 3, a screen boat 4, a screen cover 6, a screen boat supporting seat 2 and a frame 1.
As shown in fig. 1 to fig. 6, the transmission mechanism 3 is connected to the head of the sieve vessel support seat 2, and the transmission mechanism 3 is connected to the head of the sieve vessel 4 and is used for driving the sieve vessel 4 to swing. As shown in fig. 4, the upper part of the vertical elastic vibration support 15 is connected with the tail part of the sieve boat 4, the lower part is connected with the tail part of the sieve boat support seat 2, the sieve boat support seat 2 is hung on the frame 1, one end part of the horizontal elastic vibration support 16 is connected with the tail part of the sieve boat 4, the other end part is connected with the tail part of the sieve boat support seat 2, and the head part of the sieve boat 4 is higher than the tail part.
The top of sieve ship 4 is connected with screen lid 6, feed inlet 20 (as shown in fig. 5) has been seted up on the screen lid 6, be connected with reel mounting bracket 35 on the sieve ship 4 (as shown in fig. 3, fig. 13 and fig. 14), reel mounting bracket 35 rotates and is connected with hold-down shaft 33, reel 12 can push or pull out sieve ship 4 (as shown in fig. 9) by the top of hold-down shaft 33, be provided with eccentric compact heap 34 on the hold-down shaft 33, the left and right sides of sieve ship 4 all is provided with side quick-open door 36.
When the pressing shaft 33 of this embodiment rotates on the frame mounting bracket 35, the eccentric pressing block 34 on the pressing shaft 33 can press the frame 12 onto the sieve vessel 4 (as shown in fig. 9) or release the frame 12 (as shown in fig. 11).
In this embodiment, as shown in fig. 7 and 8, the transmission mechanism 3 includes a base, an upper bearing part 32, a middle bearing part 22, a lower bearing part 25, a transmission shaft 23, a transmission case 24, an eccentric shaft 31, a counterweight 21, a first belt pulley 26, a second belt pulley 28, and a motor 29, the base of the transmission case 24 is connected to the head of the support base 2 of the sieve vessel by bolts, the transmission shaft 23 penetrates through the inner side of the transmission case 24, the upper part of the transmission shaft 23 is rotatably connected to the top of the transmission case 24 by the middle bearing part 22, the lower part of the transmission shaft 23 is rotatably connected to the bottom of the transmission case 24 by the lower bearing part 25, the bottom end of the transmission shaft 23 is located below the transmission case 24 and is connected to the first belt pulley 26, the motor 29 is connected to the transmission case 24, the output shaft of the motor 29 is connected to the second belt pulley 28, the first belt pulley 26 is connected to the second belt pulley 28 by a belt 27, the top end of the transmission shaft 23 is located above the transmission box 24 and is connected with an eccentric shaft 31 through a coupling 30, one side of the eccentric shaft 31 is provided with a clump weight 21, the clump weight 21 is connected on the coupling 30, and the top end of the eccentric shaft 31 is connected with the head of the sieve boat 4 through an upper bearing part 32.
In this embodiment, as shown in fig. 4, there are 2 vertical elastic vibration supports 15 symmetrically disposed on both sides of the tail of the sieve vessel 4.
In this embodiment, as shown in fig. 1 and 6, the sieve boat 4 includes top layer frame 7, middle level frame 8 and bottom backup pad 9, there is a screen cover 6 through bolted connection on the top layer frame 7, be connected through many vertical support frames 10 between top layer frame 7 and the middle level frame 8, middle level frame 8 is connected through many vertical support frames 10 with bottom backup pad 9, all has welded reel mounting bracket 35 on every vertical support frame 10, is equipped with the cavity and this cavity is used for holding reel 12 between two adjacent vertical support frames 10, every the below both sides of reel 12 all are provided with compressing shaft 33, compressing shaft 33 rotates with the card hole on the reel mounting bracket 35 to be connected, the one end of compressing shaft 33 rotates and is connected with rotatory handle 11, rotates rotatory handle 11, can realize compressing tightly and relaxing of compressing shaft 33 to reel 12. The bottom of the side quick-opening door 36 is hinged with the bottom of the bottom supporting plate 9 through a hinge, and the top of the side quick-opening door 36 is connected with the top layer frame 7 through a pressing handle 5. The pressing handle 5 can lock the top of the side quick-opening door 36 and the top layer frame 7 with each other. The medial surface of the side quick-open door 36 of this embodiment is pasted and is had joint strip, when the side quick-open door 36 and top layer frame 7 were locked through compressing tightly handle 5, joint strip was located between the side quick-open door 36 of side and the side frame of sieve ship 4, realized both sealedly.
In this embodiment, the vertical support frame 10 is further connected with a reel baffle 13, and the reel baffles 13 are located on the same side of the sieve vessel 4. The screen frame baffle 13 is used for blocking the screen frame 12 pushed into the screen boat 4, and the pushed position of the screen frame 12 is accurate.
As shown in fig. 3 and 4, the present embodiment further includes a discharging box 14, the tail of the sieve boat 4 is connected with the discharging box 14 through a bolt, the discharging box 14 is located outside the rack 1, and is convenient to install and disassemble, and the discharging box 14 is sequentially provided with a large impurity discharging port 17, a finished product discharging port 18 and a powder discharging port 19 from top to bottom.
The vertical elastic vibration support 15 and the transverse elastic vibration support 16 of the rotary grading screen of the embodiment are both supported by ROSTA elastic vibration.
The base of the transmission mechanism 3 of the embodiment is installed on the sieve boat supporting seat 2 through bolts, the vertical tail support adopts the vertical elastic vibration support 15, the upper part of the vertical tail support is connected with the tail of the sieve boat 4, the lower part of the vertical tail support is connected with the tail of the sieve boat supporting seat 2, and the vertical tail support and the transmission mechanism 1 are arranged on the left side and the right side respectively, so that the sieve boat 4 is supported and installed through the vertical tail support. When the transmission mechanism 3 rotates, the sieve boat 4 is driven to swing together, the transmission mechanism 3 is installed at the head of the sieve boat supporting seat 2, then the sieve boat supporting seat 2 is hoisted on the frame 1, the discharging box 14 is installed at the tail of the sieve boat 4, and after the sieve boat 4 is supported by the two sets of vertical elastic vibration supports 15 at the tail, the transverse elastic vibration supports are transversely installed and connected.
In fig. 7, the upper bearing member 32, the middle bearing member 22, and the lower bearing member 26 are assembled before the exterior of the transmission mechanism 3 is assembled; wherein, the middle bearing part 22 is connected with the transmission shaft 23 and assembled, and then is integrally arranged in the transmission case 24, and the lower bearing part 25 is connected and assembled from the lower part of the transmission case 124; an upper bearing part 32, an eccentric shaft 31, a balancing weight 21 and a coupling 30 are connected and assembled at the outside, and then the assembled part is arranged at the uppermost end of a transmission shaft 14; finally, mounting a first belt pulley 26, a second belt pulley 28 and the like; the upper bearing part 32 is connected with the head part of the sieve boat 4, and when the transmission shaft 23 and the eccentric shaft 31 do eccentric rotation, the sieve boat 4 can be driven to do rotary reciprocating motion. When the bearing part 25 is dismounted, the lower bearing part 25 can be directly and independently dismounted from the lower part, and when the upper bearing part 32 is dismounted, the upper bearing part 32 can also be dismounted from the upper part and the transmission shaft, so that the aim of convenient mounting and dismounting is fulfilled.
When the screen frame 12 is installed, the pressing shaft 33 is firstly placed in the clamping hole of the screen frame installation frame 35, the screen frame installation frame 35 is welded on the screen boat 4, then the screen frame 12 is pushed into the screen boat 4 from the upper side of the pressing shaft 35 along the direction E (as shown in fig. 9) until the screen frame 12 is pressed against the screen frame baffle 13, the rotating handle 11 is rotated along the direction F to drive the pressing shaft 33 to rotate, the eccentric pressing block 34 on the pressing shaft 33 can be pressed against the supporting screen supporting plate 42 part (as shown in fig. 9 and 10) in the screen frame 12, the screen frame 12 is pressed onto the screen boat 4, the rotating handle 11 is rotated afterwards, the rotating handle 11 is hidden at the lower part of the screen frame 12, at the moment, the rotating pressing handle 5 is rotated after the side quick-opening door 36 is closed, as shown in fig. 15, a pin for installing on the side quick-opening door 36 is clamped (the pin is fixedly connected to the top of the side quick-opening door 36 through a bolt, the handle on the pressing handle 5 is fixedly connected to the top layer frame 7 through a bolt, the handle 5 is pressed in a rotating mode, the pin on the side quick-opening door 36 is clamped by the handle of the top layer frame 7, the side quick-opening door 36 is locked and connected, the side quick-opening door 36 is closed, and then the equipment can be started to operate; when the screen frame 12 is replaced, the pressing handle 5 is opened, the side quick-opening door 36 is further opened, the rotating handle 11 is screwed out from the lower portion of the screen frame 12, the rotating handle 11 is rotated along the direction G (shown in fig. 10) to rotate the pressing shaft 33, the pressing state of the screen frame 21 can be released (shown in fig. 11 and fig. 12), the upper screen plate 38 in the screen frame 12 is pulled out to be replaced at the moment, the operating efficiency of replacing the screen frame is improved, the upper screen plate 38 is punched according to the customer requirements in a customized mode, the aperture of the upper screen plate 38 is smaller than the aperture of the lower screen 43 of the supporting screen 40, and when the screen frame 12 is replaced, the upper screen plate 38 with punched holes of different diameters only needs to be replaced.
The sieve boat 4 needs to be lifted out firstly after a single part in the transmission mechanism 3 of the originally used rotary classifying screen is damaged, then the whole transmission mechanism 3 is disassembled from top to bottom in sequence, the maintenance is very troublesome, the upper bearing part 32 and the eccentric shaft 31 are installed from the top of the transmission mechanism 3 of the embodiment, the lower bearing part 25 is installed from the bottom, the first belt pulley 26 and the belt 27 are connected, the lower bearing is installed in the bearing seat to form the lower bearing part 25, the bearing seat is connected to the bottom of the transmission box 24 through bolts, a worker can install and remove the upper bearing part 32 from the upper part, the lower bearing part 25 is installed and removed from the lower part, and the installation and maintenance efficiency is improved. The sieve ship of this embodiment goes out workbin 14 and passes through the bolt assembly at sieve ship 4 afterbody, and wherein big miscellaneous material discharge gate 17, finished product material discharge gate 18 and powder discharge gate 19 welding form integral type ejection of compact case 14 together, go out workbin 14 and pass through the bolt mounting in the outside of frame 1, and convenient equipment and dismantlement replace the discharge gate flexible coupling mode of original use. The screen frame 12 on the screen boat 4 of the embodiment has two layers, which are divided into an upper layer screen frame and a lower layer screen frame, the material on the upper layer screen frame is conveyed out from a large sundry material outlet 17, the material on the lower layer screen frame is conveyed out from a finished product material outlet 18, and the material on the bottom layer support plate 9 is conveyed out from a powder material outlet 19; the upper layer screen frame of this technique is formed by three screen frames 12 concatenation, and the lower layer screen frame is formed by three screen frames 12 concatenation, and every screen frame 12 can be taken out from side fast-open door 36 alone. The tail support of the technology is composed of three sets of elastic vibration supports (comprising two sets of vertical elastic vibration supports 15 and one set of transverse elastic vibration support 16), replaces the original nylon plate and glass fiber plate, can effectively release the concentrated stress generated when the equipment runs, and can not generate the conditions of support plate fracture and the like.
As shown in fig. 16 to 19, the screen frame 12 includes an upper screen plate 38 (a plate punching and bending member provided with a plurality of punching holes 39), a supporting screen 40, and a cleaning bouncing ball 41 (made of rubber).
As shown in fig. 16, the upper screen plate 38 is a punched screen plate, and the left and right sides of the upper screen plate 38 are both provided with bending edges 37.
As shown in fig. 19, the support screen 40 includes a lower screen 43 and a frame on the upper surface of the lower screen 43, and the frame includes a plurality of grids sequentially arranged on the upper surface of the lower screen 43, and a plurality of cleaning jump balls 41 are placed in each grid.
The upper screen plate 38 is positioned above the supporting screen 40, and the aperture of the upper screen plate 38 is smaller than that of the lower screen 43 of the supporting screen 40.
The outer frames on the left and right sides of the frame of the support screen 40 are clamped inside the bent edges 37 of the upper screen plate 38, and the upper screen plate 38 can slide forwards or backwards away from the support screen 40.
The supporting screen 40 is a welded part, that is, the frame is connected with the upper surface of the lower screen 43 by welding, the plurality of screen grids are connected by welding in sequence, and the left and right sides of the frame are connected with supporting screen support plates 42 by welding.
During installation, the cleaning bouncing balls 41 are firstly placed into each screen grid of the supporting screen 40, then the upper screen plate 38 is covered on the supporting screen 40, the bent edge 37 of the upper screen plate 38 can clamp the outer frame of the supporting screen 40, the upper screen plate 38 is in a static state relative to the supporting screen 40, finally the assembled screen frame 12 is placed into the screen boat 4 of the drawer type rotary grading screen, and the equipment can be operated after the screen frame 12 is pressed by the pressing shaft 33 at the position of the supporting screen supporting plate 42; when the screen frame 12 is disassembled, the screen frame 12 can be taken out and the upper screen plate 38 can be replaced by rotating the pressing shaft 33 after the screen frame 12 is stopped, the whole screen frame 12 does not need to be taken out, the screen frame 12 is replaced easily and conveniently, the time of field workers is greatly saved, and the working efficiency is improved.
This embodiment falls into the whole sifter of a plurality of parts constitution with reel 12, and individual layer reel 12 falls into sieve 38, support sieve 40 and cleans and jump three part of ball 41, goes up sieve 38 of single reel 12 from the pull of sieve ship 4 side, has solved the difficult problem of reel dismouting change, has improved work efficiency greatly.
The technical scope of the present invention includes, but is not limited to, the above embodiments, the technical scope of the present invention is defined by the claims, and any replacement, modification, and improvement that can be easily conceived by those skilled in the art are included in the technical scope of the present invention.
Claims (10)
1. A drawer type rotary classifying screen is characterized in that: comprises a transmission mechanism (3), a sieve boat (4), a sieve frame (12), a vertical elastic vibration support (15), a transverse elastic vibration support (16), a sieve boat supporting seat (2) and a frame (1);
the transmission mechanism (3) is connected to the head of the sieve boat supporting seat (2), the transmission mechanism (3) is connected with the head of the sieve boat (4) and used for driving the sieve boat (4) to swing, the upper portion of the vertical elastic vibration support (15) is connected with the tail of the sieve boat (4), the lower portion of the vertical elastic vibration support is connected with the tail of the sieve boat supporting seat (2), the sieve boat supporting seat (2) is hung on the rack (1), one end of the transverse elastic vibration support (16) is connected with the tail of the sieve boat (4), the other end of the transverse elastic vibration support is connected with the tail of the sieve boat supporting seat (2), and the head of the sieve boat (4) is higher than the tail;
the screen boat (4) is connected with a screen frame mounting rack (35), the screen frame mounting rack (35) is rotatably connected with a pressing shaft (33), the screen frame (12) can be pushed in or pulled out of the screen boat (4) from the upper part of the pressing shaft (33), an eccentric pressing block (34) is arranged on the pressing shaft (33), and side quick-opening doors (36) are arranged on the left side and the right side of the screen boat (4);
when the pressing shaft (33) rotates on the screen frame mounting frame (35), the eccentric pressing block (34) on the pressing shaft (33) can press the screen frame (12) or loosen the screen frame (12).
2. The drawer-style rotary classifying screen as claimed in claim 1, wherein: the transmission mechanism (3) comprises a base, an upper bearing part (32), a middle bearing part (22), a lower bearing part (25), a transmission shaft (23), a transmission case (24), an eccentric shaft (31), a balancing weight (21), a first belt pulley (26), a second belt pulley (28) and a motor (29), wherein the transmission case (24) is connected with the head of the sieve boat supporting seat (2) through the base, the transmission shaft (23) penetrates through the inner side of the transmission case (24), the upper part of the transmission shaft (23) is rotatably connected with the top of the transmission case (24) through the middle bearing part (22), the lower part of the transmission shaft (23) is rotatably connected with the bottom of the transmission case (24) through the lower bearing part (25), the bottom end of the transmission shaft (23) is positioned below the transmission case (24) and connected with the first belt pulley (26), and the motor (29) is connected with the transmission case (24), the output shaft of motor (29) is connected with second belt pulley (28), first belt pulley (26) is connected through belt (27) with second belt pulley (28), the top of transmission shaft (23) is located the top of transmission case (24) and is connected with eccentric shaft (31) through shaft coupling (30), one side of eccentric shaft (31) is provided with balancing weight (21), balancing weight (21) are connected on shaft coupling (30), the top of eccentric shaft (31) is connected with the head of sieve ship (4) through upper bearing part (32).
3. The drawer-style rotary classifying screen as claimed in claim 1, wherein: vertical elastic vibration supports (15) have 2, and symmetrical setting is in sieve ship (4) afterbody both sides.
4. The drawer-style rotary classifying screen as claimed in claim 1, wherein: the sieve boat (4) comprises a top layer frame (7), a middle layer frame (8) and a bottom layer support plate (9), the top layer frame (7) is connected with a sieve cover (6) through bolts, the top layer frame (7) is connected with the middle layer frame (8) through a plurality of vertical support frames (10), the middle layer frame (8) is connected with the bottom layer support plate (9) through a plurality of vertical support frames (10), each vertical support frame (10) is connected with a sieve frame mounting frame (35), a cavity is arranged between every two adjacent vertical support frames (10) and used for accommodating a sieve frame (12), two sides below each sieve frame (12) are respectively provided with a pressing shaft (33), the pressing shafts (33) are rotatably connected with clamping holes in the sieve frame mounting frames (35), one end of each pressing shaft (33) is rotatably connected with a rotating handle (11), the bottom of each side quick-opening door (36) is hinged with the bottom of the bottom layer support plate (9), the top of the side quick-opening door (36) is connected with the top layer frame (7) through a pressing handle (5).
5. The drawer-style rotary classifying screen as claimed in claim 4, wherein: still be connected with reel baffle (13) on vertical support frame (10), it is a plurality of reel baffle (13) all are located same one side of sieve ship (4).
6. The drawer-style rotary classifying screen as claimed in claim 4, wherein: sealing rubber strips are pasted on the inner side surfaces of the side edge quick opening doors (36), and the side edge quick opening doors (36) are connected with the left side and the right side of the sieve boat (4) in a sealing mode through the sealing rubber strips.
7. The drawer-style rotary classifying screen as claimed in claim 1, wherein: the screening device is characterized by further comprising a discharging box (14), the tail of the screening boat (4) is connected with the discharging box (14) through bolts, the discharging box (14) is located outside the rack (1), and the discharging box (14) is sequentially provided with a large sundry material discharging port (17), a finished material discharging port (18) and a powder material discharging port (19) from top to bottom.
8. The drawer-style rotary classifying screen as claimed in claim 1, wherein: the screen frame (12) comprises an upper screen plate (38), a supporting screen (40) and a cleaning bouncing ball (41);
the upper sieve plate (38) is a punched sieve plate, and the left side and the right side of the upper sieve plate (38) are both provided with bending edges (37);
the supporting sieve (40) comprises a lower sieve mesh (43) and a frame positioned on the upper surface of the lower sieve mesh (43), the frame comprises a plurality of sieve grids which are sequentially arranged on the upper surface of the lower sieve mesh (43), and a plurality of cleaning bouncing balls (41) are placed in each sieve grid;
the upper sieve plate (38) is positioned above the supporting sieve (40), and the aperture of the upper sieve plate (38) is smaller than that of the lower sieve mesh (43) of the supporting sieve (40);
outer frames on the left side and the right side of the frame of the supporting sieve (40) are clamped on the inner sides of the bending edges (37) of the upper sieve plate (38), and the upper sieve plate (38) can slide forwards or backwards away from the supporting sieve (40).
9. The drawer-style rotary classifying screen as claimed in claim 8, wherein: the frame is connected with the upper surface of a lower screen (43) in a welding mode, the screen grids are connected in a welding mode sequentially, and the left side and the right side of the frame are connected with supporting screen supporting plates (42) in a welding mode.
10. The drawer-style rotary classifying screen as claimed in claim 8, wherein: the cleaning bouncing ball (41) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877059.9A CN113546842A (en) | 2021-07-31 | 2021-07-31 | Drawer type rotary classifying screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877059.9A CN113546842A (en) | 2021-07-31 | 2021-07-31 | Drawer type rotary classifying screen |
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| CN113546842A true CN113546842A (en) | 2021-10-26 |
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| CN202110877059.9A Pending CN113546842A (en) | 2021-07-31 | 2021-07-31 | Drawer type rotary classifying screen |
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| CN (1) | CN113546842A (en) |
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