CN114570634A

CN114570634A - Energy-concerving and environment-protective waste material screening plant for recycled concrete

Info

Publication number: CN114570634A
Application number: CN202210285965.4A
Authority: CN
Inventors: 常靖松; 赵宁宁; 秦慧如; 刘先勐; 刘海霞
Original assignee: Tianyi Construction Development Co ltd
Current assignee: Tianyi Construction Development Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-03
Anticipated expiration: 2042-03-23
Also published as: CN114570634B

Abstract

The application relates to the technical field of recycled concrete, in particular to an energy-saving and environment-friendly screening device for waste recycled concrete, which comprises a rack, wherein a screening barrel is rotatably mounted on the rack through a rotating shaft, a first through hole is formed in the side wall of the screening barrel, the rack is rotatably connected with a synchronous barrel, the synchronous barrel is sleeved on the outer side of the screening barrel, and second through holes which are in one-to-one correspondence with the first through holes are formed in the side wall of the synchronous barrel; the diameter of the screening barrel is smaller than that of the synchronous barrel, the screening barrel and the synchronous barrel are eccentrically arranged, a screening area is formed on one side of the screening barrel, the lower part of one side, located on the screening area, of the screening barrel is attached to the inner wall of the synchronous barrel, and a first through hole in the lower part of the screening area is intersected with a corresponding second through hole in the synchronous barrel; the screening barrel and the synchronous barrel rotate at the same angular speed. This application has the effect that reduces the material and blockked up screening bucket.

Description

Energy-concerving and environment-protective waste material screening plant for recycled concrete

Technical Field

The application relates to the technical field of recycled concrete, in particular to an energy-saving and environment-friendly screening device for waste recycled concrete.

Background

The recycled concrete is new concrete prepared by crushing, screening and cleaning waste concrete blocks and adding cement and gravel according to a certain proportion, and the waste concrete blocks of the building are recycled to form new concrete, so that on one hand, the exploitation of natural stones can be reduced, and the damage to the natural environment can be reduced; on the other hand, the construction waste formed after the construction is dismantled is treated. The utilization of the recycled concrete can achieve the effects of energy conservation and environmental protection.

The patent document with the publication number of CN214555070U discloses a concrete material autofilter device, the on-line screen storage device comprises a base, the cylindric material chamber of top fixedly connected with of base, the feed inlet has been seted up in the left side in material chamber, the material intracavity is equipped with and is cylindric screening bucket, a plurality of through-holes have been seted up on the surface of screening bucket, the right side in material chamber is equipped with first motor, the left side of first motor is equipped with the axis of rotation, the axis of rotation run through the material chamber and with screening bucket fixed connection, the output shaft and the axis of rotation coaxial coupling of first motor, when the screening bucket drives through first motor, can sieve the material in the screening bucket.

However, in the above structure, when the diameter of the through hole of the sieving barrel is equal to that of the granular material, the material is easily blocked in the through hole, and the sieving barrel is blocked after long-term use.

Disclosure of Invention

In order to reduce the through-hole on the material jam screening bucket, this application provides an energy-concerving and environment-protective waste material screening plant for recycled concrete.

The application provides an energy-concerving and environment-protective waste material screening plant for recycled concrete adopts following technical scheme:

the screening device for the energy-saving and environment-friendly waste recycled concrete comprises a rack, wherein a screening barrel is rotatably mounted on the rack through a rotating shaft, a first through hole is formed in the side wall of the screening barrel, the rack is rotatably connected with a synchronous barrel, the synchronous barrel is sleeved on the outer side of the screening barrel, and second through holes which are in one-to-one correspondence with the first through holes are formed in the side wall of the synchronous barrel; the diameter of the screening barrel is smaller than that of the synchronous barrel, the screening barrel and the synchronous barrel are eccentrically arranged, a screening area is formed on one side of the screening barrel, the lower part of one side, located on the screening area, of the screening barrel is attached to the inner wall of the synchronous barrel, and a first through hole in the lower part of the screening area is intersected with a corresponding second through hole in the synchronous barrel; the screening barrel and the synchronous barrel rotate at the same angular speed.

Through adopting above-mentioned technical scheme, during the use, screening bucket and synchronous bucket eccentric settings, and screening bucket and synchronous bucket rotate with angular velocity, make screening bucket and synchronous bucket keep in the position inner wall laminating of screening district, the first through-hole of position and the crossing state of second through-hole at the screening district simultaneously, therefore when screening bucket material, the material rolls in the position of screening district, the biggest granule that makes the material can pass through is the crossing regional size of second through-hole of first through-hole, when the material card is in the crossing region of first through-hole and second through-hole, screening bucket and synchronous bucket continue to rotate upwards and make the distance increase of first through-hole and second through-hole, the material falls into the screening district again from the first through-hole, and then can reduce the condition of material jam in the first through-hole on the screening bucket.

Preferably, the difference between the diameter of the synchronizing tub and the diameter of the sieving tub is equal to the diameter of the first through hole.

Through adopting above-mentioned technical scheme, when the diameter of synchronous bucket was too big for the diameter of screening bucket, the screening district was less, made the efficiency of material screening in the screening bucket lower, and when the diameter of synchronous bucket was close for the diameter of screening bucket, the relative motion's of first through-hole and second through-hole range undersize, the material was difficult to fall from the screening bucket.

Preferably, the rack is provided with a driving device, the driving device comprises two worms and two worm wheels, and the two worms are connected with a driving motor for driving the two worms to synchronously rotate; the worm gears are meshed with the worm gears in a one-to-one correspondence mode, one worm gear is coaxially and fixedly connected to the synchronous barrel, and the other worm gear is coaxially and fixedly connected to the rotating shaft.

Through adopting above-mentioned technical scheme, drive two worms and rotate under driving motor's effect, two worms drive a worm wheel rotation respectively, and then make two worm wheels be connected with the synchronizing bar and the same angular speed rotation of pivot, the rotational position of synchronous bucket and screening bucket of accurate control.

Preferably, the output shaft of the driving motor is coaxially and fixedly connected with a driving gear, the worm is coaxially connected with driven gears, and the driving gear is meshed with the driven gears on the two worms.

Through adopting above-mentioned technical scheme, driving motor's output shaft drives the driving gear and rotates, and the driven gear meshing on driving gear and the two worms makes two driven gear equidirectional same speed rotation.

Preferably, the rotating shaft is provided with a fixing device, and a worm wheel on the rotating shaft is coaxially and fixedly connected with the rotating shaft through the fixing device; the fixing device comprises an inner joint sleeve, an outer joint sleeve and a connecting bolt; the outer engaging sleeve is coaxially and slidably connected to the worm wheel; the inner joint sleeve is coaxially and slidably connected to the rotating shaft; the connecting bolt penetrates through the inner joint sleeve and is connected on the outer joint sleeve in a threaded manner; the inner joint sleeve and the outer joint sleeve are mutually extruded through the connecting bolt.

By adopting the technical scheme, the inner joint sleeve is connected to the rotating shaft, the outer joint sleeve is connected to the worm gear, when the connecting bolt is loosened, the inner joint sleeve can rotate relative to the outer joint sleeve, and then the relative angle between the screening barrel and the synchronous barrel can be adjusted, so that material particles screened by the screening barrel can be adjusted; and then the inner joint sleeve and the outer joint sleeve are relatively fixed through the connecting bolt.

Preferably, the outer side wall of the inner joint sleeve is a conical surface; the inner side wall of the outer joint sleeve is matched with the outer side wall of the inner joint sleeve.

By adopting the technical scheme, the outer side wall of the inner joint sleeve is a conical surface, and when the inner side wall of the outer joint sleeve is matched with the inner joint sleeve, the friction force provided by the extrusion of the inner joint sleeve and the outer joint sleeve is larger.

Preferably, the inside of screening bucket is provided with the division board, the lower side butt of division board is on the inner wall that screening bucket is in the screening district, the upper portion of screening bucket rotates to be connected in the pivot.

Through adopting above-mentioned technical scheme, the lower side butt of division board is in the screening district of screening bucket to make the material control through the division board, reduce the material and to the screening district outer diffusion of screening bucket.

Preferably, the upper side to the lower side of the partition plate are gradually inclined towards the direction of the screening area.

Through adopting above-mentioned technical scheme, the upside of division board inclines to the screening district to the downside gradually, and when making the material more, the material can be pressed on the division board, and the inner wall butt of division board and screening bucket further improves the leakproofness between the downside of division board and the inner wall of screening bucket.

Preferably, one end of the screening barrel is provided with a baffle plate, and the other end of the screening barrel is provided with a discharge hopper; the baffle is fixed on the frame and is blocked at the lower part of an opening at one end of the screening barrel.

Through adopting above-mentioned technical scheme, the baffle setting is in the one end of screening bucket, makes the baffle can reduce the material and fall out in the screening bucket, and the other end sets up out the hopper and conveniently collects the material.

Through adopting above-mentioned technical scheme, the screening bucket is by the one end of baffle to the one end downward sloping of play hopper, makes the material in the screening bucket remove to the direction of going out the hopper gradually under the effect of gravity, makes things convenient for the outflow of material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the screening barrel and the synchronous barrel rotate at the same angular speed, so that the inner walls of the screening barrel and the synchronous barrel are kept attached to each other at the position of the screening area, meanwhile, the first through hole and the second through hole are kept in an intersected state at the position of the screening area, when a material is clamped in the area where the first through hole and the second through hole are intersected, the screening barrel and the synchronous barrel continue to rotate upwards, the distance between the first through hole and the second through hole is increased, the material falls into the screening area again from the first through hole, and the situation that the material is blocked in the first through hole in the screening barrel can be further reduced;

2. the two worms are driven to rotate under the action of the driving motor and respectively drive one worm wheel to rotate, so that the synchronous rods connected with the two worm wheels and the rotating shaft rotate at the same angular speed, and the rotating positions of the synchronous barrel and the screening barrel are accurately controlled;

3. connect in the pivot through the internal joint cover, external joint cover is connected on the worm wheel, and when loosening connecting bolt, the internal joint cover can rotate for external joint cover, and then can adjust the relative angle of screening bucket and synchronous bucket, makes the material granule of screening bucket screening adjust.

Drawings

FIG. 1 is a first general structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the position of the partition plate in the embodiment of the present application;

FIG. 3 is a schematic diagram of the overall structure of the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a driving device in an embodiment of the present application;

FIG. 5 is a schematic view showing a mounting structure of a worm wheel in the embodiment of the present application;

fig. 6 is an exploded view of a fastening device in an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a support wheel; 2. a screening barrel; 21. a first through hole; 3. a synchronization bucket; 31. a second through hole; 41. a feed inlet; 42. a discharge hopper; 43. a baffle plate; 5. a rotating shaft; 51. a three-fork bracket; 6. screening areas; 7. a partition plate; 71. a connecting rod; 8. a drive device; 81. a worm; 82. a worm gear; 83. a drive motor; 84. a driving gear; 85. a driven gear; 9. a fixing device; 91. an inner engagement sleeve; 911. an arc-shaped long hole; 92. an outer engaging sleeve; 921. a threaded hole; 93. a connecting bolt; 94. a key block; 10. a shelf body.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a screening device for energy-saving and environment-friendly waste recycled concrete, which refers to fig. 1 and 2 and comprises a rack 1, a screening barrel 2 and a synchronous barrel 3; the screening barrel 2 and the synchronous barrel 3 are both cylindrical. First through-hole 21 has been seted up on screening bucket 2, and first through-hole 21 evenly distributed on screening bucket 2 is provided with feed inlet 41 in the one end of screening bucket 2 on the lateral wall of screening bucket 2, and the other end of screening bucket 2 is provided with out hopper 42, and the position of feed inlet 41 is provided with baffle 43, and baffle 43 is fixed in frame 1, and baffle 43 keeps off in the lower part of feed inlet 41, reduces the material and flows out from one side of feed inlet 41. The axis of screening bucket 2 is in the level or by feed inlet 41 to the downward sloping gradually when going out hopper 42 and extending, when making screening bucket 2 and place the material, can make the material move and sieve through screening bucket 2 by the direction of feed inlet 41 to going out hopper 42 gradually through the rotation of screening bucket 2. The center of screening bucket 2 is provided with pivot 5, and screening bucket 2 rotates through pivot 5 to be connected in frame 1, and the fixed trident support 51 that is provided with in pivot 5, trident support 51 are used for the fixed stay on the inner wall of screening bucket 2. Synchronous bucket 3 is located the outside of screening bucket 2, and synchronous bucket 3 overlaps on screening bucket 2, and the axis of synchronous bucket 3 and the axis parallel arrangement of screening bucket 2, screening bucket 2 when rotating, synchronous bucket 3 and the synchronous rotation of screening bucket 2, seted up the second through-hole 31 the same with first through-hole 21 size on the lateral wall of synchronous bucket 3 to second through-hole 31 and first through-hole 21 one-to-one. The diameter of the sieving tub 2 is smaller than the diameter of the synchronization tub 3, and the difference between the diameter of the synchronization tub 3 and the diameter of the sieving tub 2 is equal to the diameter of the first through hole 21. Be provided with a plurality of supporting wheels 11 on frame 1, a plurality of supporting wheels 11 distribute in the both sides of synchronous bucket 3, make the outer wall of synchronous bucket 3 rotate under the effect of supporting wheel 11, and then synchronous bucket 3 rotates through supporting wheel 11 and connects in frame 1. Synchronous bucket 3 and screening bucket 2 eccentric settings to 2 central points of screening bucket put vertical divisions, lie in one side of screening bucket 2 for screening district 6, and the lateral wall that screening bucket 2 is close to screening district 6 is tangent with synchronous bucket 3's inner wall. When the diameter difference between the screening barrel 2 and the synchronous barrel 3 is too large, the area available for screening materials is small, and when the diameter difference between the screening barrel 2 and the synchronous barrel 3 is too small, the first through hole 21 and the second through hole 31 cannot be separated in the process that the screening barrel 2 and the synchronous barrel 3 rotate for a circle.

Referring to fig. 2, a partition plate 7 is disposed in the middle of the sieving barrel 2, the lower side of the partition plate 7 abuts against the inner wall of the sieving barrel 2, a connecting rod 71 is fixedly disposed on the upper side of the partition plate 7, one end of the connecting rod 71 away from the partition plate 7 is rotatably connected to the rotating shaft 5, the partition plate 7 is gradually inclined from top to bottom in the direction of the sieving region 6, and the lower side of the partition plate 7 is located on the inner wall of the sieving region 6 corresponding to the sieving barrel 2. When having the material in screening bucket 2, gathering material in the screening district 6, then screening bucket 2 rotates to the rotation direction of screening bucket 2 is that the lower part position of screening bucket 2 is rotated to screening district 6 by non-screening district 6, makes the material move again and rolls down to the top of screening district 6, and division board 7 can prevent the material to the outside removal of screening district 6 simultaneously, because division board 7 receives the extrusion of material to keep with the inner wall butt of screening bucket 2.

Referring to fig. 3 and 4, a driving device 8 is provided on the frame 1, the driving device 8 is used for connecting the sieving barrel 2 and the synchronous barrel 3, the driving device 8 comprises two worms 81 and two worm wheels 82; two worms 81 are connected with driving motor 83, make driving motor 83 drive two worms 81 with the same direction and synchronous rotation, two worms 81 rotate and connect in frame 1, one of them worm wheel 82 rotates and connects in frame 1 and with synchronous bucket 3 coaxial setting, synchronous bucket 3 passes through the coaxial fixed connection of support body 10 and one of them worm wheel 82, a worm 81 meshes with a worm wheel 82 one-to-one, another worm wheel 82 coaxial connection is on pivot 5, use worm wheel 82 can drive pivot 5 and rotate, and then drive screening bucket 2 and rotate, because two worms 81 rotate in step, and then the angular velocity of rotation of two worm wheel 82 is the same, screening bucket 2 and synchronous bucket 3 keep being in the position tangent of screening district 6 at the pivoted in-process. A driving gear 84 is coaxially and fixedly arranged on an output shaft of the driving motor 83, driven gears 85 are coaxially and fixedly connected to the two worms 81, the driving gear 84 is meshed with the two driven gears 85, and the driving gear 84 is driven by the driving motor 83 to enable the two driven gears 85 to synchronously rotate.

Referring to fig. 5 and 6, a fixing device 9 is connected to the rotating shaft 5, and a worm wheel 82 located on the rotating shaft 5 is coaxially and fixedly connected to the rotating shaft 5 through the fixing device 9. The fixing device 9 comprises an inner joint sleeve 91, an outer joint sleeve 92 and a connecting bolt 93, a key block 94 is arranged on the inner side wall of the inner joint sleeve 91, a key block 94 is arranged on the outer side wall of the outer joint sleeve 92, the inner joint sleeve 91 is coaxially sleeved on the rotating shaft 5, the inner joint sleeve 91 and the rotating shaft 5 synchronously rotate through the key block 94, the outer joint sleeve 92 is positioned in the center of the worm gear 82 and coaxially arranged with the worm gear 82, and the worm gear 82 and the outer joint sleeve 92 synchronously rotate through the key block 94 on the outer joint sleeve 92. The outer joint sleeve 92 is provided with a threaded hole 921, the inner joint sleeve 91 is provided with an arc-shaped long hole 911 corresponding to the position of the threaded hole 921, one end of the connecting bolt 93 penetrates through the arc-shaped long hole 911 and is in threaded connection with the threaded hole 921, the outer wall of the inner joint sleeve 91 is a conical surface, the inner wall of the outer joint sleeve 92 is matched with the outer wall of the inner joint sleeve 91, the inner joint sleeve 91 can be inserted into the outer joint sleeve 92, and meanwhile when the connecting bolt 93 is screwed down, the inner joint sleeve 91 and the outer joint sleeve 92 are fixed through relative extrusion.

The using process of the embodiment is as follows:

when the material screening device is installed firstly, the first through hole 21 on the screening barrel 2 and the second through hole 31 on the synchronous barrel 3 are positioned at the starting position of the screening area 6 and are in an intersected state, the material enters the screening barrel 2 from the position of the feed inlet 41, the screening barrel 2 and the synchronous barrel 3 synchronously rotate through the driving device 8, the first through hole 21 of the screening barrel 2 and the second through hole 31 on the synchronous barrel 3 are matched with each other at the starting position of the screening area 6 to screen the material, the size of the intersected area of the first through hole 21 and the second through hole 31 is the material capable of passing through due to the intersection of the first through hole 21 and the second through hole 31, when the material is clamped in the intersected area of the first through hole 21 and the second through hole 31 in the screening process, the further upward rotation of the screening barrel 2 and the synchronous barrel 3 can enlarge the intersected area, and the inner wall of the synchronous barrel 3 is also gradually separated from the outer wall of the screening barrel 2, and then the material of card in first through-hole 21 and the crossing region of second through-hole 31 can fall back to screening district 6 automatically, it takes place to block up to reduce the material on screening bucket 2, need adjust the crossing size of first through-hole 21 and second through-hole 31 in screening district 6 simultaneously, the accessible loosens connecting bolt 93, outer clutch sleeve 92 separates with interior clutch sleeve 91, make worm wheel 82 on the pivot 5 and pivot 5 relatively rotate, after readjusting the relative angle of screening bucket 2 and synchronous bucket 3, rethread connecting bolt 93 is fixed to outer clutch sleeve 92 and interior clutch sleeve 91, and then reach the effect of fixed worm wheel 82 and pivot 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an energy-concerving and environment-protective waste material screening plant for recycled concrete, includes frame (1), its characterized in that: the screening barrel (2) is rotatably mounted on the rack (1) through a rotating shaft (5), a first through hole (21) is formed in the side wall of the screening barrel (2), the rack (1) is rotatably connected with a synchronous barrel (3), the synchronous barrel (3) is sleeved on the outer side of the screening barrel (2), and second through holes (31) which correspond to the first through holes (21) one by one are formed in the side wall of the synchronous barrel (3); the diameter of the screening barrel (2) is smaller than that of the synchronous barrel (3), the screening barrel (2) and the synchronous barrel (3) are eccentrically arranged, a screening area (6) is formed on one side of the screening barrel (2), the lower part of one side, located on the screening area (6), of the screening barrel (2) is attached to the inner wall of the synchronous barrel (3), and a first through hole (21) in the lower part of the screening area (6) is intersected with a corresponding second through hole (31) in the synchronous barrel (3); the screening barrel (2) and the synchronous barrel (3) rotate at the same angular speed.

2. The screening device for the energy-saving and environment-friendly waste recycled concrete according to claim 1, wherein the screening device comprises: the difference between the diameter of the synchronous barrel (3) and the diameter of the screening barrel (2) is equal to the diameter of the first through hole (21).

3. The screening device for the energy-saving and environment-friendly waste recycled concrete according to claim 1 or 2, characterized in that: the driving device (8) is installed on the rack (1), the driving device (8) comprises two worms (81) and two worm wheels (82), and the two worms (81) are connected with a driving motor (83) for driving the two worms (81) to synchronously rotate; the worms (81) are meshed with worm wheels (82) in a one-to-one correspondence manner, one worm wheel (82) is coaxially and fixedly connected to the synchronous barrel (3), and the other worm wheel (82) is coaxially and fixedly connected to the rotating shaft (5).

4. The screening device for energy-saving and environment-friendly waste recycled concrete according to claim 3, wherein: the driving gear (84) is coaxially and fixedly connected to an output shaft of the driving motor (83), the driven gears (85) are coaxially connected to the worms (81), and the driving gear (84) is meshed with the driven gears (85) on the two worms (81).

5. The screening device for the energy-saving and environment-friendly waste recycled concrete according to claim 1, wherein the screening device comprises: the rotating shaft (5) is provided with a fixing device (9), and a worm wheel (82) on the rotating shaft (5) is coaxially and fixedly connected with the rotating shaft (5) through the fixing device (9); the fixing device (9) comprises an inner joint sleeve (91), an outer joint sleeve (92) and a connecting bolt (93); the outer engaging sleeve (92) is coaxially and slidably connected to the worm wheel (82); the inner joint sleeve (91) is coaxially connected to the rotating shaft (5) in a sliding manner; the connecting bolt (93) penetrates through the inner joint sleeve (91) and is connected to the outer joint sleeve (92) in a threaded mode; the inner joint sleeve (91) and the outer joint sleeve (92) are mutually extruded through a connecting bolt (93).

6. The screening device for energy-saving and environment-friendly waste recycled concrete according to claim 5, wherein: the outer side wall of the inner joint sleeve (91) is a conical surface; the inner side wall of the outer joint sleeve (92) is matched with the outer side wall of the inner joint sleeve (91).

7. The screening device for the energy-saving and environment-friendly waste recycled concrete as claimed in claim 1, is characterized in that: the inside of screening bucket (2) is provided with division board (7), the lower side butt of division board (7) is on screening bucket (2) is in the inner wall of screening district (6), the upper portion of screening bucket (2) is rotated and is connected on pivot (5).

8. The screening device for energy-saving and environment-friendly waste recycled concrete according to claim 7, wherein: the upper side to the lower side of the partition plate (7) are gradually inclined towards the direction of the screening area (6).

9. The screening device for the energy-saving and environment-friendly waste recycled concrete according to claim 1, wherein the screening device comprises: one end of the screening barrel (2) is provided with a baffle (43), and the other end is provided with a discharge hopper (42); the baffle (43) is fixed on the frame (1) and is blocked at the lower part of an opening at one end of the screening barrel (2).

10. The screening device for energy-saving and environment-friendly waste recycled concrete according to claim 9, characterized in that: one end of the screening barrel (2) is provided with a baffle (43), and the other end is provided with a discharge hopper (42); the baffle (43) is fixed on the frame (1) and is blocked at the lower part of an opening at one end of the screening barrel (2).