CN210632417U

CN210632417U - Sand screening machine for screening high-water-content sand

Info

Publication number: CN210632417U
Application number: CN201921400707.6U
Authority: CN
Inventors: 卫晓勇; 王鑫; 刘杰; 陈志鹏
Original assignee: Beijing Urban Construction Jiuqiushi Concrete Co ltd
Current assignee: Beijing Urban Construction Jiuqiushi Concrete Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-29
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a screening sand machine of screening high water content sand belongs to the technical field of job site screening sand, including frame and both ends open-ended cylinder, still include fixed plate, telescoping device and clap the piece of beating. One side of the cylinder body of the roller is provided with a beating piece which comprises a rotating shaft, a beating plate and an outward extending rod. The rotating shaft is arranged in parallel with the roller, a plurality of beating plates are arranged on the rotating shaft at intervals, an outer extension rod is arranged in the middle of the rotating shaft, and the end part of the outer extension rod is hinged with the end part of the telescopic device. The telescopic device is fixedly connected to the fixed plate, and the fixed plate is horizontally arranged and fixedly connected to the rack. The utility model discloses compare in the screening sand machine of original disconnect-type, have the effect of the sand separation that will bond on the screen cloth that can be more comprehensive.

Description

Sand screening machine for screening high-water-content sand

Technical Field

The utility model belongs to the technical field of the technique of job site sieve sand and specifically relates to a screening sand machine of screening high water content sand is related to.

Background

In the building construction, need screen the sand, filter debris such as stone wherein from the sand, guarantee going on of follow-up work, on construction site before, generally utilize traditional artifical screening sand, it supports sand net slope on ground, then fall the sand in the top of screen cloth through the manual work, the sand is at the in-process of screen cloth landing, the sand that is less than the screen cloth bore passes the screen cloth, the sand that is greater than the screen cloth bore is filtered and is slided to the screen cloth bottom, this method is efficient with high costs, can not satisfy the demand of building to screening sand efficiency far away.

In recent years, a sand screening machine is produced and comprises a roller and a rack, wherein the roller is rotatably connected to the rack, a central rotating shaft is arranged in the roller, one end of the central rotating shaft extends out of the roller and is rotatably connected with the rack, one end of the central rotating shaft is connected with a first motor, the first motor is fixedly connected to the rack, and a layer of screen is fixedly connected to the outer circumferential surface of the roller. The sand screening device has the effect of quickly screening sand, replaces manual sand screening, improves the production efficiency and saves manpower.

The application number is 201720200029.3's chinese patent, it discloses a disconnect-type screening sand machine, disconnect-type screening sand machine includes frame and both ends open-ended cylinder, the cylinder rotates to be connected in the frame, be provided with central pivot in the cylinder, the one end of central pivot stretches out in the cylinder and rotates with the frame to be connected, the one end of central pivot is connected with first motor, first motor rigid coupling is in the frame, the rigid coupling has the one deck screen cloth on the outer periphery of cylinder, the equal rigid coupling in both ends of frame side has the second motor, the rigid coupling has the live-rollers of horizontal direction in the axis of rotation of second motor, the rigid coupling has the cam on the live-rollers, the top of cam is provided with the connecting rod of vertical direction, the upper end rigid coupling of connecting rod has the board of beating of horizontal direction, and the board of beating is located the top. When the sand is screened, particularly when the sand with high water content is screened, the sand with high water content has high viscosity, is easy to adhere to a screen mesh of a roller and is not easy to fall off; the second motor that the device set up drives clapper board reciprocating motion from top to bottom, beats the screen cloth, has fine screening effect to the sand that water content is high.

However, in the above scheme, when the clapper is used for beating, the clapper can only act on one point of the roller at each beating, and sand adhered to the screen mesh cannot be separated relatively comprehensively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screening sand machine of screening high water content sand, its advantage is more comprehensive will bond the sand separation on the screen cloth.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a screening sand machine of screening high water content sand, includes frame and both ends open-ended cylinder, and the frame includes four landing legs and connects the splice box at four landing leg tops, and the left and right sides of cylinder both ends opening part is provided with two piece vertical ascending bracing pieces respectively, bracing piece bottom rigid coupling in the upper surface of splice box. The device also comprises a fixing plate and a beating piece; one side of the cylinder body of the roller is provided with a beating piece which comprises a rotating shaft, a beating plate and an outward extending rod. The axis of rotation and cylinder parallel arrangement, and both ends are connected with the connecting block, and the axis of rotation rotates with the connecting block to be connected, the perpendicular rigid coupling of connecting block in the middle part of bracing piece. A plurality of beating plates are arranged on the rotating shaft at intervals, an outer extending rod is connected to the middle of the rotating shaft, and the outer extending rod is a telescopic rod. The fixing plate is horizontally arranged and fixedly connected to one side of the connecting frame; the upper surface of the fixed plate is provided with a telescopic device, and the telescopic device comprises a connecting rod capable of doing vertical reciprocating motion; the connecting rod is hinged with one end of the outward extending rod far away from the roller.

Through adopting above-mentioned technical scheme, telescoping device is when doing the up-and-down motion repeatedly, and its bottom is articulated with the tip of overhanging rod, drives the one end up-and-down motion of overhanging rod, but overhanging rod and axis of rotation are for restricting sliding connection, have guaranteed that the overhanging rod can be along with telescoping device up-and-down motion repeatedly together. At the moment, the beating plate on the rotating shaft can repeatedly beat the middle upper part of the side surface of the roller along with the up-and-down movement of the extending rod, so that a relatively comprehensive beating process is realized. When screening sand with high water content, the motor drives the roller to rotate, a layer of screen is fixedly connected to the outer circumferential surface of the roller, raw material sand is conveyed into the roller from one end of the roller, and the raw material sand continuously rolls, pushes and extrudes in the roller screen and is subjected to friction between materials, so that fine sand falls into the discharge hopper through the screen; and repeatedly beating by a plurality of beating plates on the beating piece to ensure that sand stuck on the screen mesh is separated from the screen mesh and enters the roller. Compare in the screening sand machine of original disconnect-type, more comprehensive carries out automatic clearance to the sand on the screen cloth, has improved work efficiency.

The utility model discloses further set up to: both sides of the roller are provided with a fixed plate, a telescopic device and a beating piece.

Through adopting above-mentioned technical scheme for the effect of patting is more comprehensive, further strengthens the automatic clearance to sand on the screen cloth, has improved work efficiency, and more energy-concerving and environment-protective.

The utility model discloses further set up to: the telescopic device comprises a second motor, a crankshaft and a supporting block; the crankshaft comprises a crank arm and a connecting rod, one end of the connecting rod is hinged with the end part of the outward extending rod far away from the roller, and the other end of the connecting rod is hinged with the crank arm; the second motor and the supporting block are fixedly connected to the upper surface of the fixing plate; one end of the crankshaft is connected with the output end of the second motor, and the other end of the crankshaft is rotatably connected with the supporting block.

Through adopting above-mentioned technical scheme, the motor drives the bent axle and rotates, and the connecting rod on the bent axle is vertical up-and-down back and forth movement along with the rotation of bent axle. The connecting rod drives the rotating shaft to rotate back and forth, so that the beating plate can beat the roller.

The utility model discloses further set up to: the beating plate is arc-shaped and can be attached to the outer surface of the roller.

Through adopting above-mentioned technical scheme, the clapper is the arc, has increased the patting area of clapper and cylinder, has strengthened the patting effect.

The utility model discloses further set up to: the extension rod comprises a sleeve and a stress rod, a lug is arranged at the end part of the stress rod, the end part of the extension rod provided with the lug is inserted into the sleeve, the other end of the sleeve is fixedly connected with the rotating shaft, an opening of the sleeve is fixedly connected with an annular steel pipe, the size of an orifice of the annular steel pipe is smaller than that of the lug, the lug is limited in the sleeve, the length of the sleeve is larger than that of the lug, and the lug can slide in the sleeve by a certain stroke.

Through adopting above-mentioned technical scheme, the outrigger can extend and shorten, has realized the outrigger along with telescoping device up-and-down motion repeatedly.

The utility model discloses further set up to: the lower surface of the beating plate is additionally provided with a protective pad.

Through adopting above-mentioned technical scheme, when patting the screen cloth, reduce the effort of patting between board and the screen cloth, increase the life of screen cloth.

The utility model discloses further set up to: the beating plate is detachably connected with the rotating shaft.

Through adopting above-mentioned technical scheme, make things convenient for the dismantlement and the change of clapping the board.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the sand with relatively high water content is screened, the plurality of beating plates on the two beating parts repeatedly beat to ensure that the sand stuck on the screen mesh is separated from the screen mesh and enters the roller;

2. the arc beating plate increases the beating area of the beating plate and the roller, and enhances the beating effect; the protective pad is additionally arranged on the lower surface of the beating plate, so that the acting force between the beating plate and the screen is reduced, and the service life of the screen is prolonged;

3. the outer extension rod can be extended and shortened through the telescopic rod, and the outer extension rod can move up and down repeatedly along with the telescopic device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a beater structure;

FIG. 3 is a schematic view of an outrigger configuration.

In the figure, 1, a frame; 11. a support leg; 12. a connecting frame; 2. a fixing plate; 21. a support bar; 211. connecting blocks; 3. a drum; 4. a telescoping device; 41. a second motor; 42. a crankshaft; 421. a crank arm; 422. a connecting rod; 43. a support block; 5. beating the workpiece; 51. beating a plate; 511. a protective pad; 52. a rotating shaft; 6. an outward extending rod; 61. a sleeve; 611. an inner cavity; 612. an annular steel pipe; 62. a stress beam; 621. and (4) a bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to disclose a sand sieving machine for sieving high water content sand, the sand sieving machine comprises a frame 1 and a roller 3 with openings at two ends, the frame 1 comprises four support legs 11 and a connecting frame 12 for connecting the tops of the four support legs 11, the left side and the right side of the openings at two ends of the roller 3 are respectively fixedly connected with two upright support rods 21, and the bottoms of the support rods 21 are fixedly connected to the upper surface of the connecting frame 12; also comprises a fixing plate 2 and a beating part 5. One side of the drum body of the drum 3 is provided with a beating member 5, and the beating member 5 comprises a rotating shaft 52, a beating plate 51 and an extending rod 6. The rotating shaft 52 is arranged in parallel with the roller 3, the two ends of the rotating shaft are connected with the connecting blocks 211, the rotating shaft 52 is rotatably connected with the connecting blocks 211, and the connecting blocks 211 are vertically and fixedly connected to the middle of the supporting rod 21; a plurality of clapper plates 51 are arranged on the rotating shaft 52 at intervals, the middle part of the rotating shaft 52 is connected with an outward extending rod 6, the outward extending rod 6 is a telescopic rod, and the fixed plate 2 is horizontally arranged and fixedly connected to one side of the connecting frame 12; the upper surface of the fixed plate 2 is provided with a telescopic device 4, and the telescopic device 4 comprises a second motor 41, a crankshaft 42 and a supporting block 43; the motor 32 is fixedly arranged on the upper surface of the fixed plate 2, and a backing plate for lifting the height of the motor 32 is arranged between the fixed plate 2 and the motor 32; the supporting block 43 is fixedly connected to the upper surface of the fixed plate 2; one end of the crankshaft 42 is connected to an output end of the second motor 41, and the other end of the crankshaft 42 is rotatably connected to the support block 43. The crankshaft 42 includes a crank arm 421 and a connecting rod 422, one end of the connecting rod 422 is hinged to the end of the outward extending rod 6 away from the drum 3, and the other end is hinged to the crank arm 421.

The implementation principle of the embodiment is as follows: the second motor 41 drives the crankshaft 42 to rotate, and the connecting rod 422 on the crankshaft 42 vertically reciprocates along with the rotation of the crankshaft 42; the outer extension rod 6 is a telescopic rod, so that the outer extension rod 6 can move up and down repeatedly along with the crankshaft 42; the plurality of clap boards 51 on the rotating shaft 52 repeatedly clap the middle upper part of the side surface of the roller 3 along with the up-and-down movement of the extension rod 6, so that the clap boards 51 realize the clapping of the roller 3 and achieve the aim of cleaning the roller 3. The connecting block 211 is provided to prevent the drum 3 from interfering with the clapper 51 on the rotary shaft 52. When screening sand with high water content, the motor 32 drives the roller 3 to rotate, a layer of screen is fixedly connected to the outer circumferential surface of the roller 3, raw material sand is conveyed into the roller 3 from one end of the roller 3, the raw material sand continuously rolls and is pushed in the screen of the roller 3 and the raw material sand is subjected to friction action among materials, so that fine sand falls into the discharge hopper through the screen; the beating plates 51 of the beating member 5 beat repeatedly to separate the sand stuck on the screen from the screen into the drum 3. Compare the disconnect-type screening sand machine in the background art, this transposition is more comprehensive carries out automatic clearance to the sand on the screen cloth, has improved work efficiency, and the patent in the background art, and every clappers 51 all needs a motor 32 to drive, and one that a motor 32 drove in this device claps a 5, and has many clappers 51 in clapping 5, has reduced the quantity of motor 32, more energy-concerving and environment-protective.

Preferably, the drum 3 is provided on both sides with a fixed plate 2, a telescopic device 4 and a beater 5. Further enhancing the cleaning ability of the beater plate 51 to the drum 3.

Referring to fig. 3, the outer extension rod 6 includes a sleeve 61 and a force-bearing rod 62, a protrusion 621 is disposed at an end of the force-bearing rod 62, and the end of the outer extension rod 6 having the protrusion 621 is inserted into the sleeve 61, the other end of the sleeve 61 is fixedly connected to the rotating shaft 52, an opening of the sleeve 61 is fixedly connected to an annular steel tube 612, a size of an aperture of the annular steel tube 612 is smaller than the protrusion 621, the protrusion 621 is limited in the sleeve 61, the length of the sleeve 61 is greater than that of the protrusion 621, the protrusion 621 can slide in the sleeve 61 for a certain stroke, and the outer extension rod 6 can move up and down along with the crankshaft 42 repeatedly.

Referring to fig. 1, the clapper 51 has an arc shape, and the arc-shaped clapper 51 can be attached to the outer surface of the drum 3. When the screen is flapped, the arc-shaped rod can be attached to the roller 3, so that the beating area is increased, and the beating effect is enhanced; the protective pad 511 is additionally arranged on the lower surface of the arc-shaped beating plate 51, so that the acting force between the beating plate 51 and the screen is reduced, and the service life of the screen is prolonged. The rotating shaft 52 is provided with insertion rods at intervals, the bottom end of the beating plate 51 is provided with an inner cavity 611, and the insertion rods are inserted into the inner cavity 611 of the beating plate 51 and then fixed through bolts, so that the beating plate 51 is convenient to detach and replace.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sand screening machine for screening high-water-content sand comprises a rack (1) and a roller (3) with openings at two ends, wherein the rack (1) comprises four support legs (11) and a connecting frame (12) for connecting the tops of the four support legs (11), the left side and the right side of the openings at the two ends of the roller (3) are respectively provided with two vertical upward support rods (21), and the bottoms of the support rods (21) are fixedly connected to the upper surface of the connecting frame (12); the method is characterized in that: the flapping device also comprises a fixed plate (2) and a flapping piece (5); one side of the cylinder body of the roller (3) is provided with a beating piece (5), and the beating piece (5) comprises a rotating shaft (52), a beating plate (51) and an outward extending rod (6); the rotating shaft (52) is arranged in parallel with the roller (3), two ends of the rotating shaft are connected with the connecting blocks (211), the rotating shaft (52) is rotatably connected with the connecting blocks (211), and the connecting blocks (211) are vertically and fixedly connected to the middle of the supporting rod (21); a plurality of beating plates (51) are arranged on the rotating shaft (52) at intervals, an outward extending rod (6) is connected to the middle part of the rotating shaft (52), and the outward extending rod (6) is a telescopic rod; the fixing plate (2) is horizontally arranged and fixedly connected to one side of the connecting frame (12); the upper surface of the fixed plate (2) is provided with a telescopic device (4), and the telescopic device (4) comprises a connecting rod (422) which can do vertical reciprocating motion; the connecting rod (422) is hinged with one end of the outer extending rod (6) far away from the roller (3).

2. A sand screen for screening high moisture content sand as claimed in claim 1, wherein: both sides of the roller (3) are provided with a fixed plate (2), a telescopic device (4) and a beating piece (5).

3. A sand screen for screening high moisture content sand as claimed in claim 1, wherein: the telescopic device (4) comprises a second motor (41), a crankshaft (42) and a supporting block (43); the crankshaft (42) comprises a crank arm (421) and a connecting rod (422), one end of the connecting rod (422) is hinged with the end part of the outward extending rod (6) far away from the roller (3), and the other end of the connecting rod is hinged with the crank arm (421); the second motor (41) and the supporting block (43) are fixedly connected to the upper surface of the fixing plate (2); one end of the crankshaft (42) is connected with the output end of the second motor (41), and the other end of the crankshaft (42) is rotatably connected with the supporting block (43).

4. A sand screen for screening high moisture content sand as claimed in claim 1, wherein: the beating plate (51) is arc-shaped, and the arc-shaped beating plate (51) can be attached to the outer surface of the roller (3).

5. A sand screen for screening high moisture content sand as claimed in claim 1, wherein: the extension rod (6) comprises a sleeve (61) and a stress rod (62), a bump (621) is arranged at the end of the stress rod (62), the end of the extension rod (6) provided with the bump (621) is inserted into the sleeve (61), the other end of the sleeve (61) is fixedly connected with the rotating shaft (52), an annular steel pipe (612) is fixedly connected with an opening of the sleeve (61), the size of an orifice of the annular steel pipe (612) is smaller than the bump (621), the bump (621) is limited in the sleeve (61), the length of the sleeve (61) is larger than the bump (621), and the bump (621) can slide in the sleeve (61) for a certain stroke.

6. A sand screen for screening high moisture content sand as claimed in claim 3, wherein: the lower surface of the beating plate (51) is provided with a protective pad (511).

7. A sand screen for screening high moisture content sand as claimed in claim 4, wherein: the beating plate (51) is detachably connected with the rotating shaft (52).