CN110103340B

CN110103340B - A environment-friendly proportioning machine for producing concrete

Info

Publication number: CN110103340B
Application number: CN201910382556.4A
Authority: CN
Inventors: 欧忙; 任玉英; 马玉林
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-06-26
Anticipated expiration: 2039-05-09
Also published as: CN110103340A

Abstract

The invention discloses an environment-friendly batching machine for producing concrete, which comprises a batching machine metering hopper, a raw material conveying belt, an annular water tank, a connecting rod and a top plate, wherein the annular water tank and the top plate are additionally arranged on the metering hopper, and the dust is removed by using a water curtain mode, so that the dust remover has the advantages of convenient assembly and disassembly, strong adaptability, easy control of cost, small volume and wide coverage, the invention can meet the use requirement only by providing the electric energy of one water pump, through the appeal that shakes the hand wheel and remove the piston and utilize magnet reach the purpose of location piston position, utilize the auto-lock of lead screw in order to damming after the location is accomplished, low cost, convenient operation satisfies in the dust removal demand of the batching machine of the overwhelming majority, "environmental protection cost" of batching machine has been reduced, can improve the dust pollution problem under the batching environment betterly.

Description

A environment-friendly proportioning machine for producing concrete

Technical Field

The invention relates to the field of concrete batching machines, in particular to an environment-friendly batching machine for producing concrete.

Background

A concrete batching machine, also called batching machine, grit automatic batching machine, it is a kind of automation equipment used for many kinds of supplies, the quantitative distribution of grit, mainly apply to the concrete construction industry, in order to substitute the way such as the manual platform balance or volume measurement, it is high to have measurement accuracy, it is high to deliver efficiency, the high characteristic of degree of automation, it is one of the main parts in the complete sets of full-automatic concrete mixing plant, the concrete batching machine can utilize the conveying belt of raw materials to convey different raw materials to the measuring hopper of the batching machine to accumulate and weigh while carrying on raw material batching, but because the fall is too big, often make the on-the-spot dust diffuse, patent No. CN201721488883.0 discloses a water fog dust collector for concrete batching machine, this apparatus is through setting up the dust cover above the batching machine, install the atomizer in the dust cover, utilize the water fog that the atomizer sprays to absorb the dust, although the method solves the problem of dust pollution, the sprayed water mist completely falls into the proportioning machine, the quality of mixed raw materials is influenced, the body of the proportioning machine is easy to rust and the corrosion speed of a belt is increased, in fact, the position with the largest dust raising amount of the proportioning machine is right above a metering hopper of the proportioning machine, the dust raising amount is increased due to the fact that the gravitational potential energy of each raw material is large and the fall is high, the problem of dust pollution at the position is solved, the method is the most critical step in the whole proportioning environment improvement problem, and the belt abrasion period at the position is fast, and the traditional spraying mechanism cannot be matched with the novel structure and the novel size of the proportioning machine at any time due to the fact that the baffle and other components are frequently added on the belt conveyor.

Disclosure of Invention

An environment-friendly batching machine for producing concrete comprises a batching machine metering hopper, a raw material conveying belt, an annular water tank, connecting rods and a top plate, wherein the annular water tank is fixedly sleeved on the periphery of the batching machine metering hopper, the top plate is arranged right above the annular water tank, the front side wall and the rear side wall of the top plate are fixedly connected with the front side wall and the rear side wall of the annular water tank respectively through the two connecting rods, a long pipe and six short pipes are fixedly arranged at the bottom of the top plate through a pipe hoop, a first tee joint, a second tee joint, a third tee joint and a fourth tee joint are symmetrically arranged at the four corners of the bottom of the top plate, first interfaces of the first tee joint and the second tee joint are respectively communicated with the left end port and the right end port of the long pipe, second interfaces of the first tee joint and the second tee joint are respectively communicated with the outer side ports of one short pipe, the first interfaces of the third tee joint and the fourth tee joint are respectively communicated with, the second interfaces of the third three-way joint and the fourth three-way joint are respectively communicated with the outer side ports of the remaining two short pipes, the inner side ports of the six short pipes are respectively and fixedly provided with a set of cut-off equipment, each cut-off equipment consists of a piston, an installation block, an installation rod, a flange plate, a slide block, a lead screw, a hand wheel, a check ring, a check block and a magnet, the pistons are fixedly connected with the installation blocks, the pistons are slidably arranged on the inner walls of the short pipes, the other sides of the installation blocks are fixedly connected with one end of the installation rod, the other end of the installation rod is fixedly connected with the slide block, the slide block is slidably arranged in the slide cylinder, one port of the slide cylinder is fixedly connected with the inner side port of the short pipe through the flange plate, the check ring is arranged on the inner wall of the other port of the slide cylinder, the slide block is sleeved on the lead screw in, magnet sets firmly in the bottom of installation piece, the third interface of tee bend joint one, tee bend two, tee bend three and tee bend four runs through and stretches out the top of roof and communicate each other with the one end of an L shape water pipe respectively, and the other end of four L shape water pipes communicates each other with the inside of reposition of redundant personnel bucket respectively, the top of reposition of redundant personnel bucket is provided with the inlet tube, the water pump is still installed at the top of roof, be provided with the outlet pipe on the lateral wall of annular water tank, the delivery port of water pump leads to pipe one and communicates each other with the inlet tube, and the water inlet of water pump leads to pipe two and communicates each other with the outlet pipe, the bottom of tee bend one, tee bend two, tee bend three, tee bend four, six nozzle stubs and three-way union all is provided with the opening.

Preferably, a direct current speed regulator is further arranged on the water outlet of the water pump.

Preferably, the lead screw is a trapezoidal lead screw, and the lead angle of the lead screw is smaller than the static friction angle of the lead screw.

Preferably, a filter screen is detachably mounted in the annular water tank.

Preferably, the three-way joint I, the three-way joint II, the three-way joint III and the three-way joint IV are identical in size and specification, and the six short pipes are identical in size and specification.

Preferably, the three-way joint I, the three-way joint II, the three-way joint III, the three-way joint IV and the six short pipes enclose a rectangle, and the spiral directions of the two lead screws between every two adjacent and parallel short pipes are opposite.

Preferably, the six short pipes are all made of nonmagnetic stainless steel materials.

Compared with the prior art, the invention has the following beneficial effects: firstly, the dust removing equipment is convenient to disassemble and assemble, the proper number of long pipes and short pipes can be selected according to the number of different conveying belts for matching use, the adaptability is strong, and the cost is easy to control; secondly, the annular water tank and the top plate are additionally arranged on the metering hopper, and dust is removed in a water curtain mode, so that the device is small in size and wide in coverage area, the corrosion of water mist on a batching machine and the influence on the quality of raw materials are avoided, meanwhile, the purpose of recycling water flow can be achieved, and the purpose of cleaning dust can be achieved easily by replacing a filter screen at regular time; thirdly, the invention can meet the use requirement only by providing the electric energy of one water pump, the purpose of positioning the position of the piston is achieved by shaking the hand wheel to move the piston and utilizing the attraction of the magnet, the self-locking of the lead screw is utilized to carry out interception after the positioning is finished, the cost is low, the operation is convenient, the dust removal requirement of most proportioning machines is met, the 'environmental protection cost' of the proportioning machine is reduced, and the dust pollution problem under the proportioning environment can be better improved.

Drawings

The accompanying drawings, which 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 principles of the invention without limiting the invention in which:

FIG. 1 is a schematic view of the installation position of the annular water tank and the top plate in the invention;

FIG. 2 is a schematic view showing the detailed structure of the components of the top plate according to the present invention;

FIG. 3 is a schematic view showing a specific connection mode between a straight water pipe and an L-shaped water pipe according to the present invention;

FIG. 4 is a schematic view showing the inner structure of the straight water pipe according to the present invention;

FIG. 5 is a schematic view showing the installation position of the opening and the infrared probe in the present invention;

FIG. 6 is a schematic view showing a specific flow direction of a water stream in the present invention.

In the figure: 1. a batching machine weighing hopper; 2. a raw material conveying belt; 3. an annular water tank; 4. a connecting rod; 5. a top plate; 6. a long tube; 7. a first tee joint; 8. a tee joint II; 9. a third tee joint; 10. a tee joint II; 11. a pipe hoop; 12. a short pipe; 13. a flow cut-off device; 14. a piston; 15. mounting blocks; 16. mounting a rod; 17. a flange plate; 18. a slider; 19. a lead screw; 20. a hand wheel; 21. a retainer ring; 22. a stopper; 23. a magnet; 24. an L-shaped water pipe; 25. a shunt barrel; 26. a water inlet pipe; 27. a water pump; 28. a water outlet pipe; 29. a first water pipe; 30. a water pipe II; 31. a slide cylinder; 32. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an environment-friendly proportioning machine for producing concrete, includes proportioning machine weighing hopper 1, raw materials conveyor belt 2, annular water tank 3, connecting rod 4 and roof 5, its characterized in that: the annular water tank 3 is fixedly sleeved on the periphery of the metering hopper 1 of the batching machine, a filter screen is detachably arranged in the annular water tank 3, the top plate 5 is arranged right above the annular water tank 3, the front side wall and the rear side wall of the top plate 5 are fixedly connected with the front side wall and the rear side wall of the annular water tank 3 through two connecting rods 4 respectively, the bottom of the top plate 5 is fixedly provided with a long pipe 6 and six short pipes 12 through pipe hoops 11, the four corners of the bottom of the top plate 5 are symmetrically provided with a tee joint I7, a tee joint II 8, a tee joint III 9 and a tee joint IV 10, wherein the first interfaces of the tee joint I7 and the tee joint II 8 are respectively communicated with the left end port and the right end port of the long pipe 6, the second interfaces of the tee joint I7 and the tee joint II 8 are respectively communicated with the outer side ports of one short pipe 12, the first interfaces of the tee joint III 9 and the tee joint, the second interfaces of the three-way joint three 9 and the three-way joint four 10 are respectively communicated with the outer side ports of the remaining two short pipes 12, the three-way joint one 7, the three-way joint two 8, the three-way joint three 9 and the three-way joint four 10 have the same size and specification, the six short pipes 12 have the same size and specification, the three-way joint one 7, the three-way joint two 8, the three-way joint three 9, the three-way joint four 10 and the six short pipes 12 enclose a rectangle, the spiral directions of two lead screws 19 between every two adjacent and parallel short pipes 12 are opposite, the six short pipes 12 are made of nonmagnetic stainless steel materials, the inner side ports of the six short pipes 12 are respectively and fixedly provided with a set of cut-off device 13, the cut-off device 13 is composed of a piston 14, an installation block 15, an installation rod 16, a flange 17, a slide block 18, a lead screw 19, a hand wheel 20, a retainer ring 21, a stop block 22 and a, the piston 14 is slidably mounted on the inner wall of the short pipe 12, the other side of the mounting block 15 is fixedly connected with one end of the mounting rod 16, the other end of the mounting rod 16 is fixedly connected with the slide block 18, the slide block 18 is slidably mounted in the slide cylinder 31, one port of the slide cylinder 31 is fixedly connected with the inner side port of the short pipe 12 through the flange 17, the retainer ring 21 is mounted on the inner wall of the other port of the slide cylinder 31, the slide block 18 is in threaded sleeve on the lead screw 19, the lead screw 19 is a trapezoidal lead screw, the lead screw lead angle is smaller than the static friction angle, the stopper 22 is fixedly mounted at one end of the lead screw 19 far away from the retainer ring 21, the other end of the lead screw 19 extends out of the slide cylinder 31 and is fixedly connected with the hand wheel 20, the magnet 23 is fixedly mounted at the bottom of the mounting block 15, the third ports of the first three-way joint 7, the second three-way joint 8, the third-way joint, the other ends of the four L-shaped water pipes 24 are respectively communicated with the inside of the flow dividing barrel 25, a water inlet pipe 26 is arranged at the top of the flow dividing barrel 25, a water pump 27 is further mounted at the top of the top plate 5, a water outlet pipe 28 is arranged on the side wall of the annular water tank, a water outlet of the water pump 27 is communicated with the water inlet pipe 26 through a first water pipe 29, a direct-current speed regulator is further arranged at a water outlet of the water pump 27, a water inlet of the water pump 27 is communicated with the water outlet pipe 28 through a second water pipe 30, and openings 32 are formed in the bottoms of the first three-way joint 7, the second three-way joint 8, the third three-way.

Specifically, before use, the invention: because the concrete batching machine can utilize the raw material conveying belt to convey different raw materials into the weighing hopper of the batching machine for accumulative weighing when the raw materials are batched, the batching machine is divided into two hoppers, three hoppers and four hoppers according to the category quantity of the raw materials, so that the quantity of the raw material conveying belt used by the corresponding batching machine is different, the quantity of the belt in the embodiment is 3, as shown in figure 1, one end of each raw material conveying belt 2 is respectively positioned above the left side, the right side and the rear side of the batching machine weighing hopper 1, at the moment, six short pipes 12 with the same specification, one long pipe 6 and four tee joints with the same specification are selected, the tee joints adopt three-dimensional tee joints bent by 90 degrees, one end of each short pipe 12 is fixedly connected with the intercepting device 13 by utilizing the flange 17, then the first tee joint 7 and the second tee joint 8 are connected at the two ends of the long pipe 6, the other connector of the first tee joint 7 and the second tee joint 8 is connected with two short, then, the first interface and the second interface of the three-way joint 9 are respectively connected with another two short pipes 12, then the first interface and the second interface of the four-way joint 10 are respectively connected with the remaining two short pipes 12, six short pipes 12 and a long pipe which are assembled just now are arranged into a rectangle and are fixed at the bottom of the top plate 5 by using 8 pipe hoops, four through holes are arranged on the top plate 5, the third vacant interface of the four three-way joints extends out of the through holes, four L-shaped water pipes and the diversion barrel 9 are assembled in advance, the vacant ends of the four L-shaped water pipes are respectively connected with the third vacant interfaces of the four three-way joints, then the annular water tank 3 is fixedly arranged at the periphery of the metering hopper 1 of the proportioning machine, the top plate 5 is fixedly arranged right above the annular water tank 3 by selecting a connecting rod 4 with proper length according to actual conditions, so that the three raw material conveying belts 2 are positioned between the annular water tank 3 and the top plate 5, then the water pump 27 is fixedly arranged on the top plate 5, the water inlet pipe 26 of the water outlet of the water pump 27 is communicated with the water inlet pipe 26 of the water pump 27 through the water pipe I29, the direct-current speed regulator is arranged on the water outlet of the water pump 27, the water inlet of the water pump 27 is communicated with the water outlet pipe 28 through the water pipe II 30, finally, the filter screen is arranged in the annular water tank 3, the filter screen is arranged on the inner wall of the middle part of the annular water tank 3, and the vertical height of the water outlet pipe 28.

When the batching machine is used, water flow can flow out from the opening 32 by using the water pump 27 to form a water curtain, the water curtain can absorb dust raised in the metering hopper, the water curtain is filtered after falling into the annular water tank 3 and flows out from the water outlet pipe 28 again to form a circulation, the width of the water curtain is adjusted according to the width of the raw material conveying belt 2 (or the width of a baffle temporarily additionally arranged on the belt), and the adjustment principle is to control the specific position of the piston 14 in the short pipe 12 so as to achieve the purpose of intercepting, and the specific mode is as follows: taking one short pipe as an example, firstly, an iron sheet is pressed at the bottom of the short pipe 12 by fingers, the position of the iron sheet is positioned right above the edge line far away from the conveying belt 2, the hand wheel 20 is shifted, the lead screw 19 drives the slide block 18 to slide in the slide cylinder 31, the slide block 18 further pushes the piston 14 to slide through the mounting rod 16 and the mounting block 15, when the piston 14 moves right above the iron sheet, the magnet 23 adsorbs the iron sheet, at this time, the piston 14 is proved to have moved to a proper position, the hand wheel 20 is stopped to be shaken, and the position of the piston 14 in the short pipe 12 is fixed by utilizing the self-locking function of the lead screw 19.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an environment-friendly proportioning machine for producing concrete, includes proportioning machine weighing hopper (1), annular basin (3), connecting rod (4) and roof (5), its characterized in that: the annular water tank (3) is fixedly sleeved on the periphery of the batching machine metering hopper (1), the top plate (5) is arranged above the annular water tank (3), the top plate (5) is fixedly connected with the annular water tank (3) through a connecting rod (4), the bottom of the top plate (5) is fixedly provided with a long pipe (6) and six short pipes (12) through a pipe hoop (11), four corners of the bottom of the top plate (5) are symmetrically provided with a tee joint I (7), a tee joint II (8), a tee joint III (9) and a tee joint IV (10), wherein the first interfaces of the tee joint I (7) and the tee joint II (8) are respectively communicated with the left end port and the right end port of the long pipe (6), the second interfaces of the tee joint I (7) and the tee joint II (8) are respectively communicated with the outer side ports of one short pipe (12), and the first interfaces of the tee joint III (9) and the tee joint IV (10) are respectively communicated with the outer side ports of the other two short pipes (12) The ports of the three-way joint (9) and the three-way joint (10) are communicated with each other, the second ports of the three-way joint (9) and the three-way joint (10) are respectively communicated with the outer side ports of the rest two short pipes (12), the inner side ports of the six short pipes (12) are respectively and fixedly provided with a set of cut-off equipment (13), the three ports of the three-way joint (7), the three-way joint (8), the three-way joint (9) and the three-way joint (10) penetrate through and extend out of the top plate (5) and are respectively communicated with one end of an L-shaped water pipe (24), the other ends of the four L-shaped water pipes (24) are respectively communicated with the inside of a shunting barrel (25), the top of the shunting barrel (25) is provided with a water inlet pipe (26), the top of the top plate (5) is also provided with a water pump (27), the side wall of the annular water tank is provided with a water outlet pipe (28), the water outlet of the, the water inlet of the water pump (27) is communicated with the water outlet pipe (28) through a water pipe II (30), and the bottoms of the tee joint I (7), the tee joint II (8), the tee joint III (9), the tee joint IV (10), the six short pipes (12) and the long pipe (6) are provided with openings (32).

2. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: the cut-off device (13) consists of a piston (14), a mounting block (15), a mounting rod (16), a flange plate (17), a sliding block (18), a screw rod (19), a hand wheel (20), a check ring (21), a check block (22) and a magnet (23), wherein the piston (14) is fixedly connected with the mounting block (15), the piston (14) is slidably mounted on the inner wall of the short pipe (12), the other side of the mounting block (15) is fixedly connected with one end of the mounting rod (16), the other end of the mounting rod (16) is fixedly connected with the sliding block (18), the sliding block (18) is slidably mounted in the sliding cylinder (31), one port of the sliding cylinder (31) is fixedly connected with the port at the inner side of the short pipe (12) through the flange plate (17), the check ring (21) is mounted on the inner wall of the other port of the sliding cylinder (31), the sliding block (18) is sleeved on the screw rod (19) in a threaded manner, the check block (22) is fixedly mounted at one end of, the other end of the screw rod (19) extends out of the sliding barrel (31) and is fixedly connected with the hand wheel (20), and the magnet (23) is fixedly arranged at the bottom of the mounting block (15).

3. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: and a water outlet of the water pump (27) is also provided with a direct-current speed regulator.

4. The environment-friendly dispensing machine for producing concrete according to claim 2, wherein: the lead screw (19) is a trapezoidal lead screw, and the lead angle of the lead screw is smaller than the static friction angle of the lead screw.

5. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: the filter screen is detachably arranged in the annular water tank (3).

6. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: the three-way joint I (7), the three-way joint II (8), the three-way joint III (9) and the three-way joint IV (10) are identical in size, and the six short pipes (12) are identical in size.

7. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: the three-way joint I (7), the three-way joint II (8), the three-way joint III (9), the three-way joint IV (10) and the six short pipes (12) enclose a rectangle, and the spiral directions of two lead screws (19) between every two adjacent and parallel short pipes (12) are opposite.

8. The environment-friendly dispensing machine for producing concrete according to claim 1, wherein: the six short pipes (12) are all made of nonmagnetic stainless steel materials.