1. The utility model provides a batching system is weighed to concrete aggregate intelligence, includes frame (1), sets firmly hopper (11) in frame (1), is located weighing hopper (2) of hopper (11) directly below, is used for hanging weighing hopper (2) in suspension mechanism (31) of frame (1) and the weighing system sensor that is used for weighing, still includes the controller, its characterized in that: a moving hopper (5) is arranged between the hopper (11) and the weighing hopper (2), the moving hopper (5) is connected to the bottom end of the hopper (11) in a sliding manner along the vertical direction, an inner cavity of the moving hopper (5) is always communicated with an inner cavity of the hopper (11), a discharge hole (51) is formed in the bottom end of the moving hopper (5), a driving mechanism for driving the moving hopper (5) to move is arranged between the moving hopper (5) and the hopper (11), and a material blocking mechanism (10) for controlling the opening and closing of the discharge hole (51) in the bottom end of the moving hopper (5) is arranged on the moving hopper (5);

the weighing hopper (2) comprises a vertical part (21) and a hopper-shaped part (22) which are arranged up and down and are communicated with each other, a valve plate (41) is connected in the vertical part (21) in a rotating mode, a driving piece for driving the valve plate (41) to rotate is fixedly arranged on the weighing hopper (2), and when the valve plate (41) is in a horizontal state, an inner cavity of the vertical part (21) is isolated;

the driving mechanism, the material blocking mechanism (10) and the driving piece are all electrically connected with the controller.

2. The intelligent concrete aggregate weighing and batching system of claim 1, wherein: the outer wall of the movable bucket (5) is fixedly provided with a second electric cylinder (7), the second electric cylinder (7) is vertically arranged, the cylinder body end of the second electric cylinder (7) is connected to the movable bucket (5) in a sliding mode through an electric sliding rail (531) horizontally arranged, the electric sliding rail (531) is used for driving the second electric cylinder (7) to reciprocate along the length direction of the electric sliding rail (531), the rod end level of the second electric cylinder (7) is fixedly provided with a leveling rod (8), the leveling rod (8) is perpendicular to the electric sliding rail (531), the movable bucket (5) is located at the lowest position, and the bottom wall of the leveling rod (8) is in contact with the upper surface of the valve plate (41).

3. The intelligent concrete aggregate weighing and batching system of claim 2, wherein: the cross section of the leveling rod (8) is circular.

4. The intelligent concrete aggregate weighing and batching system of claim 2, wherein: an inclined strut (9) is arranged between the push flat rod (8) and the outer wall of the cylinder body of the second electric cylinder (7), two ends of the inclined strut (9) are respectively hinged with the push flat rod (8) and the outer wall of the cylinder body of the second electric cylinder (7), the inclined strut (9) is arranged to be a telescopic rod, and a locking piece used for locking the inclined strut (9) at a fixed length is arranged on the inclined strut (9).

5. The intelligent concrete aggregate weighing and batching system of claim 1, wherein: the material blocking mechanism (10) comprises a baffle (101) which is rotatably connected to the side wall of the moving hopper (5), and a power part for driving the baffle (101) to rotate is fixedly arranged on the side wall of the moving hopper (5).

6. The intelligent concrete aggregate weighing and batching system of claim 5, wherein: the power part is provided with a hydraulic cylinder (102).

7. The intelligent concrete aggregate weighing and batching system of claim 1, wherein: the driving mechanism is a first electric cylinder (6) which is vertically arranged, and the first electric cylinder (6) is uniformly distributed along the circumferential direction of the hopper (11) at intervals.

8. The intelligent concrete aggregate weighing and batching system of claim 1, wherein: and a dustproof plate (211) is fixedly arranged at the outer edge of the top end of the weighing hopper (2).

Background

In the production process of the concrete, cement is taken as a cementing material, and raw materials such as sandstone aggregate, water, admixture, additive and the like are mixed and stirred to finally prepare the concrete which is used as a building material to be put into construction production. As one kind of concrete processing equipment, concrete mixing plant needs to carry out accurate ratio to various materials when general concrete is produced, and in this process, usually will use concrete proportioning machine to weigh grit aggregate.

The concrete aggregate weighing system in the related art generally comprises a storage bin, a discharge port arranged at the bottom end of the storage bin, a valve used for controlling the opening and closing of the discharge port, and a concrete batching machine located right below the discharge port of the storage bin, wherein the concrete batching machine comprises a weighing hopper, a suspension device and a weighing system sensor.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the aggregate constantly falls into in the weighing hopper at the discharge gate of hopper, and the height of piling up of aggregate constantly risees, and for guaranteeing normal ejection of compact, the distance between the diapire of discharge gate and weighing hopper is great, when leading to the hopper to begin the ejection of compact, the whereabouts height of aggregate is higher, and the weighing hopper has great impact, consequently has certain improvement space.

Disclosure of Invention

In order to reduce the impact of aggregate symmetry volume fill, this application provides a batching system is weighed to concrete aggregate intelligence.

The application provides a pair of concrete aggregate intelligence weighing and batching system adopts following technical scheme:

an intelligent concrete aggregate weighing and batching system comprises a rack, a hopper fixedly arranged on the rack, a weighing hopper positioned right below the hopper, a suspension mechanism for suspending the weighing hopper on the rack, a weighing system sensor for weighing, and a controller, wherein a moving hopper is arranged between the hopper and the weighing hopper, the moving hopper is connected to the bottom end of the hopper in a sliding manner along the vertical direction, an inner cavity of the moving hopper is always communicated with an inner cavity of the hopper, a discharge hole is formed in the bottom end of the moving hopper, a driving mechanism for driving the moving hopper to move is arranged between the moving hopper and the hopper, and a material blocking mechanism for controlling the opening and closing of the discharge hole in the bottom end of the moving hopper is arranged on the moving hopper;

the weighing hopper comprises a vertical part and a hopper-shaped part which are arranged up and down and are communicated with each other, a valve plate is rotatably connected in the vertical part, a driving piece for driving the valve plate to rotate is fixedly arranged on the weighing hopper, and when the valve plate is in a horizontal state, an inner cavity of the vertical part is isolated;

the driving mechanism, the material blocking mechanism and the driving piece are all electrically connected with the controller.

By adopting the technical scheme, when the concrete aggregate is weighed, according to the aggregate blanking speed and the actual size of the discharge hole, the height of the movable hopper is adjusted by the driving mechanism until the distance between the discharge port and the upper surface of the valve plate can ensure the normal discharge of the aggregates, the height of the movable hopper is continuously increased under the action of the driving mechanism along with the continuous increase of the stacking height of the aggregates, so that the height difference between the discharge port of the movable hopper and the highest surface of the aggregate stack is constant, the normal discharge and weighing of the aggregates are ensured, when the movable hopper starts to discharge, the falling height of the aggregate is reduced, the impact of the symmetrical weighing hoppers is weakened, further, inaccuracy of weighing results caused by overlarge impact is reduced, the service life of a weighing system is prolonged, the condition of dust emission in the falling process of the aggregate is improved, and the requirements of energy conservation and environmental protection are met.

Preferably, the outer wall of the movable bucket is fixedly provided with a second electric cylinder, the second electric cylinder is vertically arranged, the cylinder body end of the second electric cylinder is connected to the movable bucket in a sliding mode through an electric sliding rail horizontally arranged, the electric sliding rail is used for driving the second electric cylinder to reciprocate along the length direction of the electric sliding rail, the rod end of the second electric cylinder is horizontally and fixedly provided with a leveling rod, the leveling rod is perpendicular to the electric sliding rail, and when the movable bucket is located at the lowest position, the bottom wall of the leveling rod is in contact with the upper surface of the valve plate.

Through adopting above-mentioned technical scheme, when removing the fill and being in the extreme low position, the adjustment second electric jar makes the diapire of push-flat pole and the upper surface contact of valve plate, and the in-process that removes the fill and remove, push-flat pole and second electric jar along the length direction reciprocating motion of electronic slide rail under the effect of electronic slide rail, push flat the highest face of aggregate heap, be convenient for realize the invariant of the distance between the highest face of aggregate heap and the discharge gate that removes the fill, the blanking of follow-up aggregate of being convenient for.

Preferably, the cross section of the leveling rod is circular.

Through adopting above-mentioned technical scheme, when pushing away the tie rod and aggregate butt, the outer wall that is the push away tie rod of arc setting has certain cushioning effect to pushing away the tie rod, has weakened the impact that produces pushing away the tie rod, has prolonged the life of push away tie rod, and in addition, the outer wall that is the push away tie rod of arc setting has reduced the aggregate in the remaining on push away tie rod surface, is convenient for push away the tie rod rebound.

Preferably, an inclined strut is arranged between the leveling rod and the outer wall of the cylinder body of the second electric cylinder, two ends of the inclined strut are respectively hinged to the leveling rod and the outer wall of the cylinder body of the second electric cylinder, the inclined strut is a telescopic rod, and a locking piece used for locking the inclined strut in a fixed length is arranged on the inclined strut.

Through adopting above-mentioned technical scheme, the setting up of diagonal brace has played the supporting role to pushing away the tie rod, has reduced the condition that the rod end atress of second electric jar is deformed, has promoted the straightness that hangs down of the rod end of second electric jar.

Preferably, the material blocking mechanism comprises a baffle plate which is rotatably connected to the side wall of the movable hopper, and a power part for driving the baffle plate to rotate is fixedly arranged on the side wall of the movable hopper.

Through adopting above-mentioned technical scheme, rotate through power spare drive baffle, the switching of the discharge gate of control removal fill.

Preferably, the power member is provided as a hydraulic cylinder.

Through adopting above-mentioned technical scheme, realized the drive to the baffle for the stability after the baffle is closed the discharge gate is better.

Preferably, the driving mechanism is a first vertically arranged electric cylinder, and the first electric cylinders are uniformly distributed along the circumferential direction of the hopper at intervals.

Through adopting above-mentioned technical scheme, through the setting of first electric jar, realize the drive to removing the fill.

Preferably, a dust guard is fixedly arranged at the outer edge of the top end of the weighing hopper.

Through adopting above-mentioned technical scheme, the setting up of dust guard makes the difficult outdiffusion of raise dust that the aggregate whereabouts in-process produced, has played dirt-proof effect.

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

1. the height of the movable hopper is continuously increased under the action of the driving mechanism, so that the height difference between the discharge port of the movable hopper and the highest surface of the aggregate pile is constant, the normal discharge and weighing of the aggregates are ensured, and simultaneously, when the movable hopper starts to discharge, the falling height of the aggregates is reduced, the impact of the symmetrical weighing hoppers is weakened, further, the inaccuracy of the weighing result caused by overlarge impact is reduced, the service life of a weighing system is prolonged, the dust raising condition in the falling process of the aggregates is also improved, and the requirements of energy conservation and environmental protection are met;

2. when the movable hopper is located at the lowest position, the second electric cylinder is adjusted to enable the bottom wall of the leveling rod to be in contact with the upper surface of the valve plate, in the moving process of the movable hopper, the leveling rod and the second electric cylinder move in a reciprocating mode along the length direction of the electric slide rail under the action of the electric slide rail to level the highest surface of the aggregate pile, the distance between the highest surface of the aggregate pile and the discharge port of the movable hopper is convenient to achieve constant, and subsequent aggregate blanking is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall configuration of the intelligent weigh and batch system shown in this application with the moving hopper in the lowermost position.

Fig. 2 is a schematic diagram of the overall structure of the intelligent weighing and batching system shown in the present application when the movable hopper is at the highest position.

Fig. 3 is a schematic partial cross-sectional view showing the structure of a valve assembly in the present application.

Fig. 4 is a partial structural schematic diagram showing the structures of the electric slide rail, the second electric cylinder, the leveling rod, the diagonal brace and the material stop mechanism in the application.

Description of reference numerals:

1. a frame; 11. a hopper; 111. an upper connecting pipe; 112. an upper epitaxial plate; 2. a weighing hopper; 21. a vertical portion; 211. a dust-proof plate; 22. a bucket-shaped portion; 31. a suspension mechanism; 32. a conveyor belt; 4. a valve assembly; 41. a valve plate; 42. a motor; 5. moving the hopper; 51. a discharge port; 52. a lower connecting pipe; 53. a lower epitaxial plate; 531. an electric slide rail; 6. a first electric cylinder; 7. a second electric cylinder; 8. a leveling rod; 9. a diagonal brace; 91. an outer tube; 92. an inner rod; 93. locking the bolt; 10. a stock stop mechanism; 101. a baffle plate; 1011. a side plate; 1012. a cover plate; 102. and a hydraulic cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete aggregate intelligence weighing and batching system combines fig. 1 and fig. 2, including frame 1, weld in hopper 11 of frame 1, be located hopper 11 directly below weighing hopper 2, be used for hanging weighing hopper 2 in the suspension device 31 of frame 1, be used for detecting the weighing system sensor of the volume of weighing and be located weighing hopper 2's conveyer belt 32 directly below, still include the controller that is used for controlling each electric component collaborative work. The suspension mechanism 31, the weighing system sensor, and the conveyor belt 32 are all in the prior art, and are not described herein again.

Referring to fig. 1 and 3, scale 2 includes a vertical portion 21 and a bucket portion 22 at the bottom end of vertical portion 21, and the cross-sectional area of scale 2 is square. The weighing hopper 2 is provided with a valve assembly 4 in the inner cavity of the vertical part 21, and the valve assembly 4 is used for controlling the on-off of the inner cavity of the vertical part 21. Valve assembly 4 includes valve plate 41 rotatably connected in the inner chamber of weighing hopper 2 and motor 42 for driving valve plate 41 to rotate, and motor 42 is electrically connected with the controller. When the valve plate 41 is in a horizontal state, the inner cavity of the vertical part 21 is cut off, aggregate falling from the hopper 11 falls onto the valve plate 41, when the weighing system sensor detects that the aggregate reaches a required weighing amount, the motor 42 is controlled to rotate, the valve plate 41 is opened in a rotating mode, the aggregate finally falls onto the conveying belt 32 through the vertical part 21 and the hopper-shaped part 22, and the conveying belt 32 conveys the aggregate to a designated position.

Referring to fig. 1 and 2, a movable hopper 5 is arranged between the hopper 11 and the weighing hopper 2, the top end of the movable hopper 5 is closed, and the bottom end of the movable hopper 5 is provided with a discharge hole 51. The bottom end of the hopper 11 is fixedly connected with an upper connecting pipe 111 which is vertically arranged, and the inner cavity of the upper connecting pipe 111 is communicated with the inner cavity of the hopper 11. The top end of the movable bucket 5 is fixedly connected with a lower connecting pipe 52 which is vertically arranged, the inner cavity of the lower connecting pipe 52 is communicated with the inner cavity of the movable bucket 5, and the lower connecting pipe 52 is sleeved outside the upper connecting pipe 111 and is vertically connected with the upper connecting pipe 111 in a sliding manner.

The frame 1 is fixedly provided with a driving mechanism for driving the movable bucket 5 to vertically move, the driving mechanism comprises a vertically arranged first electric cylinder 6, the first electric cylinder 6 is electrically connected with the controller, and the first electric cylinder 6 is uniformly distributed around the lower connecting pipe 52 at intervals in the circumferential direction. An upper extension plate 112 arranged along the circumferential direction of the hopper 11 is welded to the outer wall of the hopper 11, and a plurality of reinforcing ribs are fixed between the upper surface of the upper extension plate 112 and the outer wall of the hopper 11. The cylinder end of the first electric cylinder 6 is fixed to the lower surface of the upper extension plate 112, and the rod end of the first electric cylinder 6 is fixed to the top wall of the weighing hopper 2. The rod part of the first electric cylinder 6 is controlled to stretch, so that the movable bucket 5 is driven in the vertical direction.

When weighing concrete aggregate, the height of the initial position of the movable hopper 5 is adjusted according to the aggregate blanking speed and the actual size of the discharge port 51, so that the distance between the discharge port 51 of the movable hopper 5 and the upper surface of the valve plate 41 can ensure the normal discharge of the aggregate. Along with the increase of the stacking height of the aggregates, the height of the movable hopper 5 is increased under the action of the first electric cylinder 6, so that the height difference between the discharge port 51 of the movable hopper 5 and the highest surface of the aggregate stack is constant, and the falling height of the aggregates when the movable hopper 5 is at the initial position is reduced.

With reference to fig. 3 and 4, the outer wall of the movable hopper 5 is welded with a lower extension plate 53 arranged along the circumferential direction, electric slide rails 531 are respectively fixed on the lower extension plate 53 at two sides of the movable hopper 5, the electric slide rails 531 extend along one side edge of the weighing hopper 2, and the electric slide rails 531 are electrically connected with the controller. The output ends of the two electric sliding rails 531 are respectively fixed with a second electric cylinder 7, the second electric cylinder 7 is vertically arranged, and the second electric cylinder 7 is electrically connected with the controller. The same leveling rod 8 is fixed at the rod ends of the two second electric cylinders 7 together, the leveling rods 8 are horizontally arranged along the direction perpendicular to the electric slide rail 531, the distance between the two end faces of the leveling rod 8 is smaller than the distance between the vertical part 21 of the weighing hopper 2 and the two side walls corresponding to the two end faces of the leveling rod 8, and the cross section of the leveling rod 8 is circular. When the movable hopper 5 is at the lowest position, the second electric cylinder 7 is adjusted to enable the bottom wall of the leveling rod 8 to be in contact with the upper surface of the valve plate 41, and in the process that the movable hopper 5 is continuously lifted, the electric slide rail 531 drives the second electric cylinder 7 and the leveling rod 8 to reciprocate along the length direction of the electric slide rail 531 to level the highest surface of the aggregate pile, so that the distance between the highest surface of the aggregate pile and the discharge hole 51 of the movable hopper 5 is constant, and the subsequent aggregate blanking is facilitated.

An inclined strut 9 is arranged between the leveling rod 8 and the outer wall of the cylinder body of the second electric cylinder 7, the inclined strut 9 comprises an outer tube 91 and an inner rod 92, one end of the inner rod 92 is connected in the outer tube 91 in a sliding mode, the inner rod 92 and the outer tube 91 are coaxially arranged, one end, close to the inner rod 92, of the outer tube 91 is in threaded connection with a locking bolt 93 used for locking the inner rod 92, and two ends, far away from each other, of the inner rod 92 and the outer tube 91 are hinged to the outer wall of the cylinder body of the leveling rod 8 and the outer wall of the second electric cylinder 7 respectively. The inclined support rod 9 is arranged to support the leveling rod 8, the rod part of the second electric cylinder 7 is protected, the stress deformation of the rod end of the second electric cylinder 7 is reduced, the verticality of the rod end of the second electric cylinder 7 is improved, and the stability of the leveling rod 8 in the moving process is improved.

Be provided with the stock stop 10 that is used for controlling the discharge gate 51 switching of moving fill 5 on the moving fill 5, the stock stop 10 is including rotating the baffle 101 of connecting in moving fill 5 lateral walls, and the baffle 101 includes two curb plates 1011 and integrated into one piece in the apron 1012 between two curb plates 1011, and two curb plates 1011 articulate in two lateral walls of moving fill 5 through the articulated shaft respectively, and the axis direction of articulated shaft is parallel with the axis direction of push flat pole 8. The material blocking mechanism 10 further comprises a hydraulic cylinder 102 for driving the baffle plate 101 to rotate, wherein the cylinder body end of the hydraulic cylinder 102 is hinged to the side wall of the movable bucket 5, and the rod end of the hydraulic cylinder 102 is hinged to one side of the cover plate 1012. When the cover plate 1012 is positioned on the side of the discharge port 51, the discharge port 51 is in an open state, and when the weighing system sensor detects that the aggregate has reached the required weighing amount, the hydraulic cylinder 102 is controlled to drive the baffle plate 101 to rotate towards the side away from the hydraulic cylinder 102, so that the cover plate 1012 rotates to the bottom end of the discharge port 51 to close the discharge port 51.

Referring to fig. 1, in order to reduce the spread of the dust, a dust-proof plate 211 is fixedly disposed at the outer edge of the top end of the vertical portion 21 of the weighing hopper 2, and the dust-proof plate 211 vertically extends upward.

The implementation principle of the intelligent concrete aggregate weighing and batching system in the embodiment of the application is as follows:

when weighing concrete aggregate, adjusting the height of the initial position of the movable hopper 5 according to the aggregate blanking speed and the actual size of the discharge port 51, ensuring the normal discharge of the aggregate by the distance between the discharge port 51 of the movable hopper 5 and the upper surface of the valve plate 41, and adjusting the second electric cylinder 7 to ensure that the bottom wall of the leveling rod 8 is in contact with the upper surface of the valve plate 41; along with the continuous rising of the stacking height of the aggregates, the height of the movable hopper 5 is continuously raised under the action of the first electric cylinder 6, so that the height difference between the discharge port 51 of the movable hopper 5 and the highest surface of the aggregate stack is constant, and in the continuous rising process of the movable hopper 5, the leveling rod 8 and the second electric cylinder 7 reciprocate along the length direction of the electric slide rail 531 under the action of the electric slide rail 531 to level the highest surface of the aggregate stack, so that the normal discharging and weighing of the aggregates are ensured, the falling height of the aggregates is reduced when the movable hopper 5 is at the initial position, the impact of the symmetrical weighing hopper 2 is weakened, further, the inaccuracy of the weighing result caused by the overlarge impact is reduced, the service life of the weighing system is prolonged, the dust raising condition in the falling process of the aggregates is also improved, and the requirements of energy conservation and environmental protection are met.

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.