CN215150509U - Concrete pile aggregate automatic screening and feeding device - Google Patents

Abstract

The utility model provides a concrete pile aggregate automatic screening and feeding device, the screening mechanism comprises a box body, a box cover, a sloping block, a screening unit, a vibrating motor, a support leg, a feeding pipe, a discharging pipe and a flow guide unit, the feeding mechanism comprises a conveying belt, a driving wheel, a driven wheel, a baffle plate, a feeding motor, a first underframe and a second underframe, the stirring mechanism comprises a stirring box, a middle shaft, a stirring unit, a stirring motor, a fixed plate and a bracket, the concrete pile aggregate automatic screening and feeding device can realize effective screening of concrete pile aggregate through the screening unit and the vibrating motor, screened particles are remained on the top surface of the screening unit, the concrete pile aggregate sequentially passes through the set sloping block, a chute and a discharging pipe, reaches the stirring box and is fully stirred by the stirring unit, and falls to the left end of the conveying belt from the lower part of the stirring box, and finally the concrete pile aggregate is conveyed to the right end from the left end of the conveying belt, the purpose of automatic feeding is achieved.

Description

Concrete pile aggregate automatic screening and feeding device

Technical Field

The utility model belongs to the technical field of a fender pile construction, especially, relate to a concrete pile aggregate automatic screening material loading attachment.

Background

The concrete pile aggregate is a granular loose material which plays a role of framework or filling in concrete, the concrete coarse aggregate contains a large number of particles with enlarged diameters, meanwhile, the concrete fine aggregate is also usually doped with some particles, and the number of the particles is small, so that large-particle crushed stones which do not meet the requirements in the coarse aggregate and the fine aggregate need to be screened out before construction on the site, i.e., particles with a size greater than 31.5mm, using a small screening device body to screen can reduce a lot of time and labor, but the small screening and feeding devices in the prior art, the screening work needs to be carried out manually, which consumes a great deal of labor force and has extremely low working efficiency, and the aggregate of the screened concrete pile is concentrated in distribution and not dispersed due to stacking, so that the result of uneven feeding is caused, and therefore a new small-sized screening and feeding structure needs to be designed.

Disclosure of Invention

In view of this, the utility model aims at providing a concrete pile aggregate automatic screening loading attachment to solve the too big, the low, too concentrated problem of screening back concrete pile aggregate of manpower consumption.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an automatic screening and feeding device for concrete pile aggregates comprises a screening mechanism, a stirring mechanism and a feeding mechanism, wherein the screening mechanism comprises a box body, a box cover, an inclined block, a screening unit, a vibrating motor, support legs, a feeding pipe, a discharging pipe and a flow guide unit, the box body is of a square column shell structure, a plurality of support legs are arranged on the bottom surface of the box body, the rear end of the top surface of the box body is hinged with the rear end of the box cover, a square hole for communicating the feeding pipe is formed in the center of the top surface of the box cover, the feeding pipe is of a hollow square platform structure, the cross section area of the top end of the inner wall of the feeding pipe is larger than that of the bottom end of the inner wall of the feeding pipe, the flow guide unit is arranged in the center of the bottom surface of the box cover, sliding chutes for mounting the screening unit are formed in the inner walls of the left side and the right side of the box body, the vibrating motor is mounted at the bottom end of the screening unit, the inclined block is arranged on the inner surface of the box body, the left side of the inclined block is higher than the right side of the inclined block, a chute for communicating with the discharging pipe is further arranged on the inner wall of the right side of the box body, the discharging pipe is located right-hand of box outer wall, the chute is in the spout below, and chute and sloping block right side intercommunication, the acute angle that sloping block top surface and box bottom surface pressed from both sides, the acute angle that chute inner wall and box bottom surface pressed from both sides, the acute angle that discharging pipe and box bottom surface pressed from both sides is all the same, feed mechanism includes the conveyer belt, the action wheel, from the driving wheel, the baffle, the material loading motor, first chassis and second chassis, two baffles of parallel arrangement all are located the discharging pipe right-hand, install an action wheel and a plurality of follow driving wheel between two baffles, the conveyer belt is connected from a action wheel and a plurality of follow driving wheels, the one end of action wheel still rigid coupling is to the axis of rotation of material loading motor, first chassis is installed respectively to the left and right sides of every baffle bottom surface, the second chassis, and the height of first chassis is less than the height of second chassis, the conveyer belt left end is located under the discharging pipe, rabbling mechanism includes agitator tank, Axis, the stirring unit, agitator motor, fixed plate and support, the agitator tank is hollow round platform structure, and agitator tank internal diameter top-down reduces gradually, both ends respectively are connected to the top of a baffle left end through a support around the agitator tank outer wall, and the agitator tank is in between discharging pipe and the conveyer belt, agitator tank top surface central point puts installation fixed plate, the axis of rotation of rigid coupling to agitator motor behind the fixed plate central point was passed on the axis top, and axis top cup joints with fixed plate central point puts the activity, the axis bottom is located inside the agitator tank, and a plurality of stirring units are installed along outer wall equidistance to the axis bottom, vibrating motor, agitator motor, material loading motor difference signal connection to controller.

Further, sieve material unit includes sieve, T template and handle, and the sieve left and right sides all sets up a T template, and the T template is used for imbedding to the spout, and sieve bottom surface central point puts installation vibrating motor, and sieve top both sides respectively set up a handle, and every handle cross section is semi-circular structure.

Further, the guide unit comprises a guide plate, a connecting plate and reinforcing ribs, the cross section of the guide plate is of an inverted V-shaped structure, the front end and the rear end of the guide plate are fixedly connected to the center of the bottom surface of the box cover through the connecting plate, the guide plate is located right below a square hole of the box cover, and the reinforcing ribs are further arranged between the left end and the right end of the guide plate.

Furthermore, the stirring unit comprises a first stirring assembly, a second stirring assembly and a third stirring assembly, the first stirring assembly, the second stirring assembly and the third stirring assembly are arranged on the outer wall of the middle shaft from top to bottom at equal intervals, and the number of the first stirring assembly, the second stirring assembly and the third stirring assembly is at least two and the first stirring assembly, the second stirring assembly and the third stirring assembly are uniformly distributed outside the middle shaft; the first stirring assembly, the second stirring assembly and the third stirring assembly are identical in structure, and the length of the first stirring assembly, the length of the second stirring assembly and the length of the third stirring assembly are decreased progressively in sequence.

Further, the first stirring assembly comprises a first stirring plate, the first stirring plate is of a right trapezoid structure, the right-angle end of the first stirring plate is fixedly connected to the outer wall of the center shaft, the upper end and the lower end of the front surface of the first stirring plate are respectively provided with a first arc-shaped groove and a second arc-shaped groove, the radian of the cross section of the first arc-shaped groove is smaller than that of the cross section of the second arc-shaped groove, the top end of the inner wall of the first arc-shaped groove is provided with a plurality of first combined grooves in parallel, the bottom end of the inner wall of the second arc-shaped groove is provided with a plurality of second combined grooves in parallel, the second stirring assembly comprises a second stirring plate, the second stirring plate is of a right trapezoid structure, the right-angle end of the second stirring plate is fixedly connected to the outer wall of the center shaft, the upper end and the lower end of the front surface of the second stirring plate are both provided with a third arc-shaped groove, the upper side and the lower side of the second stirring plate are both provided with a plurality of third combined grooves in parallel, the third stirring assembly comprises a third stirring plate, the cross section of the third stirring plate is of an S-shaped structure, the curved radian in third stirring board cross section top is greater than the curved radian in third stirring board cross section bottom, and third stirring board top parallel is equipped with a plurality of first logical grooves, and third stirring board bottom parallel is equipped with a plurality of second and leads to the groove, and the cross section that the cross section in first logical groove and second lead to the groove is the circular arc type structure, and first logical groove, second lead to the groove and make the top, the bottom of third stirring board all be the open-ended state respectively.

Further, feed mechanism still includes branch flitch and drags the flitch, and the parallel and equidistance of conveyer belt outer wall sets up a plurality of branch flitchs, and the parallel and equidistance of between the adjacent branch flitch sets up four and drags the flitch.

Furthermore, the first combination groove, the second combination groove and the third combination groove are identical in structure, the first combination groove is formed by communicating a circular groove and a rectangular groove, the rectangular groove is located above the circular groove, and one side of the rectangular groove enables the top end of the inner wall of the first arc-shaped groove to be in an open state.

Compared with the prior art, a concrete pile aggregate automatic screening loading attachment have following beneficial effect:

(1) a concrete pile aggregate automatic screening loading attachment, can realize the effective screening to concrete pile aggregate through sieve material unit and vibrating motor, stay sieve material unit top surface by the granule of sieving out, concrete pile aggregate loops through the sloping block that sets up, the chute, behind the discharging pipe, after being stirred the unit intensive mixing in reacing the agitator tank, the conveyer belt left end is fallen to concrete pile aggregate from the agitator tank below, final concrete pile aggregate is transported the conveyer belt right-hand member from the conveyer belt left end, reach automatic feeding's purpose, the stirring unit can make concrete pile aggregate disperse distribution, beat the basis for even material loading.

(2) The utility model discloses an automatic screening and feeding device for concrete pile aggregates, a material separating plate is used for separating the concrete pile aggregates to play a role of uniform feeding, and a material dragging plate improves the stability of the concrete pile aggregates in the transportation process; the guide plate plays a role in guiding flow, so that the concrete pile aggregates reaching the sieve are uniformly distributed; through first arc wall and the second arc wall that are equipped with on the first stirring board, the third arc wall, the third stirring board that are equipped with on the second stirring board, improved stirring efficiency.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an automatic concrete pile aggregate screening and feeding device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a screening mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of the sieving mechanism according to the embodiment of the present invention after being opened;

fig. 4 is a schematic view of a material sieving unit according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly of a deflector and a reinforcing rib according to an embodiment of the present invention;

fig. 6 is a schematic view of an agitating mechanism according to an embodiment of the present invention;

fig. 7 is an assembly schematic view of the middle shaft and the stirring unit according to the embodiment of the present invention;

fig. 8 is a side view of a first stirring assembly according to an embodiment of the present invention;

FIG. 9 is a side view of a second stirring assembly according to an embodiment of the present invention;

FIG. 10 is a side view of a third stirring assembly according to an embodiment of the present invention;

fig. 11 is a schematic view of a feeding mechanism according to an embodiment of the present invention.

Description of reference numerals:

1-a screening mechanism; 11-a box body; 12-a box cover; 13-a sloping block; 14-a screening unit; 141-screening; 142-T pattern; 143-mesh; 144-a handle; 15-a vibration motor; 16-a discharge pipe; 17-a flow guide unit; 171-a baffle; 172-connecting plate; 173-reinforcing ribs; 18-a chute; 19-a chute; 2-a stirring mechanism; 21-a stirring box; 22-medial axis; 23-a stirring unit; 231-a first stirring assembly; 2311-a first stirring plate; 2312-a first arcuate slot; 2313-a second arc-shaped slot; 2314-first combination groove; 2315-second combined groove; 232-a second stirring assembly; 2321-second stirring plate; 2322-a third arc-shaped slot; 2323-third assembled tank; 233-a third stirring component; 2331-a third stir plate; 2332 — a first through-slot; 2333-a second pass-through; 24-a stirring motor; 25-fixing the plate; 26-a scaffold; 3-a feeding mechanism; 31-a conveyor belt; 32-a driving wheel; 33-a driven wheel; 34-a baffle plate; 35-a feeding motor; 36-a material distributing plate; 37-a dragging plate; 38-a first chassis; 39-second chassis.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 11, an automatic screening and feeding device for concrete pile aggregates comprises: the screening mechanism 1, the stirring mechanism 2 and the feeding mechanism 3, the screening mechanism 1 comprises a box body 11, a box cover 12, an inclined block 13, a screening unit 14, a vibrating motor 15, support legs, a feeding pipe, a discharging pipe 16 and a flow guide unit 17, the box body 11 is of a square column shell structure, the bottom surface of the box body 11 is provided with a plurality of support legs, the rear end of the top surface of the box body 11 is hinged with the rear end of the box cover 12, the center of the top surface of the box cover 12 is provided with a square hole for communicating with the feeding pipe, the feeding pipe is of a hollow square platform structure, the cross section area of the top end of the inner wall of the feeding pipe is larger than that of the bottom end of the inner wall of the feeding pipe, the center of the bottom surface of the box cover 12 is provided with the flow guide unit 17, the inner walls of the left side and the right side of the box body 11 are provided with a chute 18 for installing the screening unit 14, the vibrating motor 15 is installed at the bottom end of the screening unit 14, the inner bottom surface of the box body 11 is provided with the inclined block 13, the left side of the inclined block 13 is higher than the right side of the inclined block, the inclined block 13, the right side of the inclined block is further provided with a chute 19 for communicating with the discharging pipe 16, the discharge pipe 16 is positioned at the right side of the outer wall of the box body 11, the chute 19 is positioned below the chute 18, the chute 19 is communicated with the right side of the inclined block 13, and an acute angle formed by the top surface of the inclined block 13 and the bottom surface of the box body 11, an acute angle formed by the inner wall of the chute 19 and the bottom surface of the box body 11 and an acute angle formed by the discharge pipe 16 and the bottom surface of the box body 11 are the same;

the feeding mechanism 3 comprises a conveyor belt 31, a driving wheel 32, driven wheels 33, baffle plates 34, a feeding motor 35, a first bottom frame 38 and a second bottom frame 39, two baffle plates 34 which are arranged in parallel are positioned at the right side of the discharge pipe 16, one driving wheel 32 and a plurality of driven wheels 33 are arranged between the two baffle plates 34, the conveyor belt 31 is connected with the plurality of driven wheels 33 through the driving wheel 32, one end of the driving wheel 32 is fixedly connected with a rotating shaft of the feeding motor 35, the left end and the right end of the bottom surface of each baffle plate 34 are respectively provided with the first bottom frame 38 and the second bottom frame 39, the height of the first bottom frame 38 is lower than that of the second bottom frame 39, and the left end of the conveyor belt 31 is positioned under the discharge pipe 16;

the stirring mechanism 2 comprises a stirring box 21, a middle shaft 22, stirring units 23, a stirring motor 24, a fixing plate 25 and a support 26, wherein the stirring box 21 is of a hollow round platform structure, the inner diameter of the stirring box 21 is gradually reduced from top to bottom, the front end and the rear end of the outer wall of the stirring box 21 are respectively connected to the upper part of the left end of a baffle 34 through the support 26, the stirring box 21 is positioned between a discharge pipe 16 and a conveyor belt 31, the fixing plate 25 is installed at the central position of the top surface of the stirring box 21, the top end of the middle shaft 22 penetrates through the central position of the fixing plate 25 and then is fixedly connected to a rotating shaft of the stirring motor 24, the top end of the middle shaft 22 is movably sleeved with the central position of the fixing plate 25 (the top end of the middle shaft 22 is movably sleeved with the central position of the fixing plate 25 through a bearing), the bottom end of the middle shaft 22 is positioned in the stirring box 21, the plurality of stirring units 23 are equidistantly installed along the outer wall at the bottom end of the middle shaft 22, and the vibration motor 15, the stirring motor 24 and the feeding motor 35 are respectively connected to a controller through signals, effective screening of concrete pile aggregates can be achieved through the screening unit 14 and the vibrating motor 15, screened particles are left on the top surface of the screening unit 14, the concrete pile aggregates sequentially pass through the inclined block 13, the inclined groove 19 and the discharging pipe 16 and then reach the stirring box 21 to be fully stirred by the stirring unit 23, the concrete pile aggregates fall to the left end of the conveying belt 31 from the lower portion of the stirring box 21, finally the concrete pile aggregates are conveyed to the right end of the conveying belt 31 from the left end of the conveying belt 31, automatic feeding is achieved, the stirring unit 23 enables the concrete pile aggregates to be distributed in a dispersed mode and lays a foundation for uniform feeding, the stirring motor 24 and the feeding motor 35 are both ordinary direct-current motors, the vibrating motor 15 is HL, the controller is PLC, and the controller is Siemens S7-200 smart.

As shown in fig. 3-4, the screening unit 14 includes a screen 141, a T-shaped plate 142 and handles 144, wherein the T-shaped plate 142 is disposed on each of the left and right sides of the screen 141, the T-shaped plate 142 is used to be inserted into the chute 18, the vibrating motor 15 is mounted at the center of the bottom surface of the screen 141, the handles 144 are disposed on each of the two sides of the top end of the screen 141, the cross section of each handle 144 is a semicircular structure, the T-shaped plate 142 is inserted into the inner bottom surface of the chute 18, so that when a worker lifts the handle 144, the screen 141 is conveniently taken out from the box 11, and the aperture size of the screen aperture 143 of the screen 141 is far smaller than the size of a particle (i.e., a particle with a particle size larger than 31.5 mm).

As shown in fig. 3 and 5, the guide unit 17 includes a guide plate 171, a connecting plate 172 and a reinforcing rib 173, the cross section of the guide plate 171 is an inverted V-shaped structure, the front end and the rear end of the guide plate 171 are fixedly connected to the central position of the bottom surface of the box cover 12 through the connecting plate 172, the guide plate 171 is located right below the square hole of the box cover 12, the reinforcing rib 173 is further disposed between the left end and the right end of the guide plate 171, the reinforcing rib 173 plays a role in reinforcement, and the guide plate 171 plays a role in guiding the flow, so that the concrete pile aggregates reaching the screen 141 are uniformly distributed.

As shown in fig. 6-10, the stirring unit 23 includes a first stirring component 231, a second stirring component 232, and a third stirring component 233, the first stirring component 231, the second stirring component 232, and the third stirring component 233 are installed on the outer wall of the central shaft 22 at equal intervals from top to bottom, and the number of the first stirring component 231, the second stirring component 232, and the third stirring component 233 is at least two and uniformly distributed outside the central shaft; the first stirring assembly 231, the second stirring assembly 232 and the third stirring assembly 233 have the same structure, and the length of the first stirring assembly 231, the length of the second stirring assembly 232 and the length of the third stirring assembly 233 are sequentially decreased progressively;

the first stirring assembly 231 comprises a first stirring plate 2311, the first stirring plate 2311 is of a right trapezoid structure, the right-angled end of the first stirring plate 2311 is fixedly connected to the outer wall of the central shaft 22, the upper end and the lower end of the front of the first stirring plate 2311 are respectively provided with a first arc-shaped groove 2312 and a second arc-shaped groove 2313, the radian of the cross section of the first arc-shaped groove 2312 is smaller than that of the cross section of the second arc-shaped groove 2313, the top end of the inner wall of the first arc-shaped groove 2312 is provided with a plurality of first combination grooves 2314 in parallel, the bottom end of the inner wall of the second arc-shaped groove 2313 is provided with a plurality of second combination grooves 2315 in parallel, the second stirring assembly 232 comprises a second stirring plate 2321, the second stirring plate 2321 is of a right trapezoid structure, the right-angled end of the second stirring plate 2321 is fixedly connected to the outer wall of the central shaft 22, the upper end and the lower end of the front of the second stirring plate 2321 are both provided with a third arc-shaped groove 2322, the upper end and the upper side and the lower side of the second stirring plate 2321 are provided with a plurality of third combination grooves 2323 in parallel, the third stirring assembly 233 comprises a third stirring plate 2331, the cross section of the third stirring plate 2331 is of an S-shaped structure, the arc radian of the top end of the cross section of the third stirring plate 2331 is greater than the arc radian of the bottom end of the cross section of the third stirring plate 2331, the top end of the third stirring plate 2331 is provided with a plurality of first through grooves 2332 in parallel, the bottom end of the third stirring plate 2331 is provided with a plurality of second through grooves 2333 in parallel, the cross section of the first through grooves 2332 and the cross section of the second through grooves 2333 are both of arc-shaped structures, and the top end and the bottom end of the third stirring plate 2331 are both in an open state through the first through grooves 2332 and the second through grooves 2333 respectively; the first combination groove 2314, the second combination groove 2315 and the third combination groove 2323 are identical in structure, the first combination groove 2314 is formed by communicating a circular groove and a rectangular groove, the rectangular groove is located above the circular groove, the top end of the inner wall of the first arc-shaped groove 2312 is in an open state by one side of the rectangular groove, and the stirring efficiency is improved through the first arc-shaped groove 2312 and the second arc-shaped groove 2313 which are arranged on the first stirring plate 2311, the third arc-shaped groove 2322 and the third stirring plate 2331 which are arranged on the second stirring plate 2321.

As shown in fig. 11, the feeding mechanism 3 further includes material distributing plates 36 and material dragging plates 37, the outer walls of the conveyor belts are parallel and equidistantly provided with a plurality of material distributing plates 36, four material dragging plates 37 are parallel and equidistantly provided between adjacent material distributing plates 36, the material distributing plates 36 are used for separating concrete pile aggregates to play a role in uniform feeding, and the material dragging plates 37 improve the stability of the concrete pile aggregates in the transportation process.

The utility model discloses a theory of operation: the worker firstly turns on a switch of the controller, the controller respectively sends signals to the vibration motor 15, the stirring motor 24 and the feeding motor 35, a rotating shaft of the feeding motor 35 enables the driving wheel 32 to rotate, the driving wheel 32 enables the conveyor belt 31 to rotate clockwise, a rotating shaft of the stirring motor 24 enables the middle shaft 22 to rotate clockwise, the middle shaft 22 drives the first stirring component 231, the second stirring component 232 and the third stirring component 233 to rotate clockwise, the vibration motor 15 (the vibration motor 15 is an excitation source with a power source and a vibration source combined into a whole, the vibration motor 15 is provided with a group of adjustable eccentric blocks at two ends of a rotor shaft respectively, and the centrifugal force generated by high-speed rotation of the shaft and the eccentric blocks is utilized to obtain the excitation force of the sieve 141, so that the sieve 141 starts to vibrate, then the worker puts concrete pile aggregate into the feeding pipe, the concrete pile aggregate is separated by the guide plate 171 after passing through the feeding pipe, the concrete pile aggregates are enabled to uniformly fall on the top surface of the sieve 141, the sieve 141 vibrates to accelerate the screening speed of the concrete pile aggregates by the sieve holes 143 arranged on the sieve 141, the screened particles are left on the top surface of the sieve 141, the screened concrete pile aggregates pass through the sieve holes 143 and then fall on the top surface of the inclined block 13, then the concrete pile aggregates sequentially pass through the inclined block 13, the inclined groove 19 and the discharge pipe 16 and then reach the stirring box 21 to be fully stirred by the stirring unit 23 (the concrete pile aggregates fall into the stirring box 21 to be stirred by the first stirring plate 2311, the second stirring plate 2321 and the third stirring plate 2331 during stirring, the cross sections of the first arc-shaped groove 2312 and the second arc-shaped groove 2313 arranged on the first stirring plate 2311, the third arc-shaped groove 2322 arranged on the second stirring plate 2321 and the third stirring plate 2331 are S-shaped structures, so that the stirring efficiency is greatly improved, and meanwhile, the concrete pile aggregates can pass through the first combined groove 2314, The second combination groove 2315, the third combination groove 2323, the first through groove 2332 and the second through groove 2333 further improve the stirring efficiency, and because the radian of the cross section of the first arc-shaped groove 2312 is smaller than that of the cross section of the second arc-shaped groove 2313, concrete pile aggregates cannot be thrown out of the stirring box 21 by the inner wall of the first arc-shaped groove 2312 arranged on the first stirring plate 2311 before the concrete pile aggregates are not passed through the first stirring plate 2311, and the problem does not need to be considered again after the concrete pile aggregates are not passed through the first stirring plate 2311; because the arc radian of the top end of the cross section of the third stirring plate 2331 is greater than the arc radian of the bottom end of the cross section of the third stirring plate 2331, excessive concrete pile aggregates at the bottom end of the stirring box 21 are prevented from being dragged by the bottom end of the third stirring plate 2331 and cannot fall from the lower side of the stirring box 21 to the left end of the top surface of the conveyor belt 31, and meanwhile, the stirring efficiency is improved), the concrete pile aggregates fall from the lower side of the stirring box 21 to the left end of the conveyor belt 31, and finally, the concrete pile aggregates are conveyed from the left end of the conveyor belt 31 to the right end of the conveyor belt 31, so that the purpose of automatic feeding is achieved, and in the conveying process, the concrete pile aggregates are separated by the material separating plate 36 arranged on the conveyor belt 31, so that the effect of uniform feeding is achieved, and because the material dragging plate 37 is arranged on the conveyor belt 31, the stability of the concrete pile aggregates in the conveying process is improved.

The working principle when the screened particles need to be taken out is as follows: the staff stops to put in the concrete pile aggregate first, then closes the controller switch, the controller sends signals to the vibration motor 15, the stirring motor 24 and the feeding motor 35 respectively, the vibration motor 15, the stirring motor 24 and the feeding motor 35 stop working, the screen 141 stops vibrating, then the staff opens the box cover 12, so that the screening mechanism 1 is as shown in fig. 3, because the automatic screening and feeding device for the concrete pile aggregate is of a small-sized screening and feeding structure, and the quantity of particles contained in the concrete pile aggregate is small, the staff does not have problems in manually extracting the screen 141, the staff respectively grasps one handle 144 by two hands, the screen 141 is taken out along the track of the inner wall of the chute 18, the screened particles are collected, and the purpose of effectively recycling waste materials and screening is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a concrete pile aggregate automatic screening loading attachment which characterized in that: the screening device comprises a screening mechanism (1), a stirring mechanism (2) and a feeding mechanism (3), wherein the screening mechanism (1) comprises a box body (11), a box cover (12), an inclined block (13), a screening unit (14), a vibrating motor (15), support legs, a feeding pipe, a discharging pipe (16) and a flow guide unit (17), the box body (11) is of a square column shell structure, a plurality of support legs are arranged on the bottom surface of the box body (11), the rear end of the top surface of the box body (11) is hinged with the rear end of the box cover (12), a square hole for communicating the feeding pipe is formed in the center of the top surface of the box cover (12), the feeding pipe is of a hollow square platform structure, the cross sectional area of the top end of the inner wall of the feeding pipe is larger than that of the bottom end of the inner wall of the feeding pipe, the flow guide unit (17) is arranged in the center of the bottom surface of the box cover (12), and sliding grooves (18) for installing the screening unit (14) are formed in the inner walls of the left side and the right side of the box body (11), the bottom end of the screening unit (14) is provided with a vibrating motor (15), the inner bottom surface of the box body (11) is provided with an inclined block (13), the left side of the inclined block (13) is higher than the right side of the inclined block (13), the inner wall of the right side of the box body (11) is also provided with a chute (19) communicated with the discharge pipe (16), the discharge pipe (16) is positioned at the right side of the outer wall of the box body (11), the chute (19) is positioned below the chute (18), the chute (19) is communicated with the right side of the inclined block (13), the acute angle clamped between the top surface of the inclined block (13) and the bottom surface of the box body (11), the acute angle clamped between the inner wall of the chute (19) and the bottom surface of the box body (11), the acute angles clamped between the discharge pipe (16) and the bottom surface of the box body (11) are identical, the feeding mechanism (3) comprises a conveying belt (31), a driving wheel (32), a driven wheel (33), a baffle plate (34), a feeding motor (35), a first bottom frame (38) and a second bottom frame (39), two baffles (34) which are arranged in parallel are positioned on the right side of the discharge pipe (16), a driving wheel (32) and a plurality of driven wheels (33) are arranged between the two baffles (34), the conveying belt (31) is connected with the plurality of driven wheels (33) through the driving wheel (32), one end of the driving wheel (32) is fixedly connected with a rotating shaft of the feeding motor (35), the left end and the right end of the bottom surface of each baffle (34) are respectively provided with a first chassis (38) and a second chassis (39), the height of the first chassis (38) is lower than that of the second chassis (39), the left end of the conveying belt (31) is positioned under the discharge pipe (16), the stirring mechanism (2) comprises a stirring box (21), a middle shaft (22), a stirring unit (23), a stirring motor (24), a fixing plate (25) and a support (26), the stirring box (21) is of a hollow round table structure, and the inner diameter of the stirring box (21) is gradually reduced from top to bottom, agitator tank (21) outer wall front and back both ends respectively are connected to the top of a baffle (34) left end through a support (26), and agitator tank (21) are in between discharging pipe (16) and conveyer belt (31), agitator tank (21) top surface central point puts installation fixed plate (25), rigid coupling to agitator motor (24)'s axis of rotation behind fixed plate (25) central point was passed on axis (22) top, and axis (22) top cup joints with fixed plate (25) central point puts the activity, axis (22) bottom is located agitator tank (21) inside, and a plurality of stirring unit (23) of outer wall equidistance installation are followed to axis (22) bottom, vibrating motor (15), agitator motor (24), material loading motor (35) signal connection respectively to controller.

2. The automatic concrete pile aggregate screening and feeding device of claim 1, wherein: the screening unit (14) comprises a screen (141), T-shaped plates (142) and handles (144), wherein the T-shaped plates (142) are arranged on the left side and the right side of the screen (141), the T-shaped plates (142) are used for being embedded into the sliding grooves (18), the vibrating motor (15) is installed in the center of the bottom surface of the screen (141), the handles (144) are arranged on two sides of the top end of the screen (141), and the cross section of each handle (144) is of a semicircular structure.

3. The automatic concrete pile aggregate screening and feeding device of claim 1, wherein: guide unit (17) are including guide plate (171), connecting plate (172) and strengthening rib (173), and guide plate (171) cross section is the type of falling V structure, and both ends all put through the central point of a connecting plate (172) fixed connection to case lid (12) bottom surface around guide plate (171), and guide plate (171) are located the square hole of case lid (12) under, still set up strengthening rib (173) between the both ends about guide plate (171).

4. The automatic concrete pile aggregate screening and feeding device of claim 1, wherein: the stirring unit (23) comprises a first stirring assembly (231), a second stirring assembly (232) and a third stirring assembly (233), the first stirring assembly (231), the second stirring assembly (232) and the third stirring assembly (233) are arranged on the outer wall of the middle shaft (22) from top to bottom at equal intervals, and the number of the first stirring assembly (231), the second stirring assembly (232) and the third stirring assembly (233) is at least two and uniformly distributed outside the middle shaft; the first stirring assembly (231), the second stirring assembly (232) and the third stirring assembly (233) are identical in structure, and the length of the first stirring assembly (231), the length of the second stirring assembly (232) and the length of the third stirring assembly (233) are sequentially decreased progressively.

5. The automatic concrete pile aggregate screening and feeding device of claim 4, wherein: the first stirring assembly (231) comprises a first stirring plate (2311), the first stirring plate (2311) is of a right trapezoid structure, the right-angle end of the first stirring plate (2311) is fixedly connected to the outer wall of the central shaft (22), the upper end and the lower end of the front of the first stirring plate (2311) are respectively provided with a first arc-shaped groove (2312) and a second arc-shaped groove (2313), the radian of the cross section of the first arc-shaped groove (2312) is smaller than that of the cross section of the second arc-shaped groove (2313), the top end of the inner wall of the first arc-shaped groove (2312) is provided with a plurality of first combined grooves (2314) in parallel, the bottom end of the inner wall of the second arc-shaped groove (2313) is provided with a plurality of second combined grooves (2315) in parallel, the second stirring assembly (232) comprises a second stirring plate (2321), the second stirring plate (2321) is of a right trapezoid structure, the right-angle end of the second stirring plate (2321) is fixedly connected to the outer wall of the central shaft (22), the upper end and the lower end of the front of the second stirring plate (2321) are respectively provided with a third arc-shaped groove (2322), both sides all are equipped with a plurality of third assembled groove (2323) in parallel about second stirring board (2321), third stirring subassembly (233) includes third stirring board (2331), third stirring board (2331) cross section is the S type structure, the curved radian in third stirring board (2331) cross section top is greater than the curved radian in third stirring board (2331) cross section bottom, third stirring board (2331) top parallel is equipped with a plurality of first logical groove (2332), third stirring board (2331) bottom parallel is equipped with a plurality of second logical groove (2333), the cross section of first logical groove (2332) and the cross section of second logical groove (2333) are the circular arc type structure, first logical groove (2332), second logical groove (2333) make the top of third stirring board (2331), the bottom all is the open-ended state respectively.

6. The automatic concrete pile aggregate screening and feeding device of claim 1, wherein: the feeding mechanism (3) further comprises material distributing plates (36) and material dragging plates (37), the outer wall of the conveying belt is parallel to each other and is equidistantly provided with a plurality of material distributing plates (36), and four material dragging plates (37) are arranged between every two adjacent material distributing plates (36) in parallel and at equal intervals.

7. The automatic concrete pile aggregate screening and feeding device of claim 5, wherein: the first combination groove (2314), the second combination groove (2315) and the third combination groove (2323) are identical in structure, the first combination groove (2314) is formed by communicating a circular groove and a rectangular groove, the rectangular groove is located above the circular groove, and the top end of the inner wall of the first arc-shaped groove (2312) is in an open state by one side of the rectangular groove.

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