CN214372871U

CN214372871U - Batching and weighing device in concrete production

Info

Publication number: CN214372871U
Application number: CN202120420917.2U
Authority: CN
Inventors: 崔晓峰; 李玉康; 朱永康; 王妍燕; 冯丽
Original assignee: Jiaozuo Yijian Concrete Co ltd
Current assignee: Jiaozuo Yijian Concrete Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-08
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a concrete technical field discloses a batching weighing device in concrete production, which comprises a frame, be equipped with the conveyer belt in the frame, the fill of weighing, the conveyer belt top is equipped with the storage hopper, it is equipped with scraping mechanism to weigh to fight to correspond the conveyer belt, scraping mechanism includes the cutting board, the knife rest, the cutting board top is equipped with the cutting edge, the bottom is equipped with the otic placode, be equipped with the connecting hole on the otic placode, the knife rest is connected on weighing and is fought and locate the conveyer belt below, be equipped with the mounting groove on the knife rest, be equipped with the connecting rod in the mounting groove, the top of connecting rod is connected with stop nut, the connecting rod overcoat is equipped with the spring, the both ends of spring respectively with otic placode and mounting groove diapire butt. The utility model discloses can scrape the material to the conveyer belt in the concrete production batching, avoid causing raw and other materials extravagant to guarantee the normal operating of equipment, the storage hopper has set up ejection of compact subassembly in addition, can avoid ejection of compact to block up, guarantees going on smoothly of the ejection of compact.

Description

Batching and weighing device in concrete production

Technical Field

The utility model relates to a concrete technical field especially relates to a batching and weighing device in concrete production.

Background

The concrete is made up by mixing and stirring the raw materials of aggregate (sand and gravel), cement, water, admixture and additive according to a certain proportion, and is one of the most extensively used materials in the building engineering, and its technical index has a significant relation to the quality and cost of the whole building engineering. In order to improve the strength of concrete and meet specific technical requirements, various raw materials must be strictly mixed together according to a ratio tested in advance. At present, when the batching of concrete production was weighed, raw materials in the storage hopper need be sent into weighing in the fill through the conveyer belt and weigh, and at this in-process, can adhere to a large amount of materials on the conveyer belt, not only can cause raw and other materials extravagant, increase manufacturing cost, can influence the normal work of conveyer belt moreover, have the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

To the technical problem that prior art exists, the utility model provides a batching and weighing device in concrete production.

In order to achieve the above object, the utility model provides a following technical scheme: a batching and weighing device in concrete production comprises a frame, wherein a conveying belt and weighing hoppers are arranged on the frame, the conveying belt is provided with two conveying belts which are oppositely arranged, a blanking port is arranged between the two conveying belts, a plurality of storage hoppers are sequentially arranged above each conveying belt along the conveying direction, the storage hoppers are fixed on the frame, the weighing hoppers are arranged below the blanking port, a scraping mechanism is arranged on each weighing hopper and corresponds to each conveying belt, the scraping mechanism comprises a knife plate and a knife rest, the top of the knife plate is provided with a cutting edge, the bottom of the knife plate is provided with an ear plate, the ear plate is provided with a connecting hole, the knife rest is connected to the weighing hoppers and is arranged below the conveying belts, a mounting groove for mounting the knife plate is arranged on the knife rest, a connecting rod which is in sliding fit with the connecting hole is arranged in the mounting groove, the top of the connecting rod is in threaded connection with a limit nut, and a spring is sleeved outside the connecting rod, and the two ends of the spring are respectively abutted against the lug plate and the bottom wall of the mounting groove.

Preferably, the side wall of the knife rest is provided with a guide groove extending along the axial direction of the connecting rod, the top of the guide groove is provided with an opening, and the ear plate is connected with a guide block in sliding fit with the guide groove.

Preferably, the knife rest is connected to the weighing hopper through an adjusting mechanism, the adjusting mechanism comprises a supporting plate, an adjusting nut and a traction rod, the bottom of the knife rest is in running fit with the supporting plate through a connecting shaft, the supporting plate is fixed to the weighing hopper, a threaded rod is arranged on the supporting plate in a rotating mode, the threaded rod is connected with an adjusting motor, the adjusting nut is in threaded fit with the threaded rod and is connected with a sliding block, the sliding block is in sliding fit with the supporting plate along the axial direction of the threaded rod, one end of the traction rod is hinged to the knife rest, and the other end of the traction rod is hinged to the adjusting nut.

Preferably, storage hopper upper portion is the cuboid form, and the lower part is down trapezoidal platform form and is equipped with the discharge gate, discharge gate department is equipped with ejection of compact subassembly, ejection of compact subassembly is including going out awl, sealing platform, lifter, ejection of compact cylinder, go out the awl and locate in the storage hopper and be the quadrangular pyramid form, the bottom surface of going out the awl rather than the storage hopper cross section phase-match of position, the sealing platform is connected in going out the awl bottom and is and the trapezoidal platform form of falling with storage hopper lower part inner wall assorted, the lifter is connected in the sealing platform bottom and is extended to the discharge gate outside, ejection of compact cylinder is fixed in on the storage hopper and is connected with the lifter through the support.

The utility model discloses still including other subassemblies that can make the burden weighing device normal use in the concrete production, be the conventional technological means in this field. In addition, the device or the component (such as the weighing hopper) which is not limited in the utility model adopts the conventional technical means in the field.

The utility model discloses set up scraping mechanism, can scrape the material to the conveyer belt in the concrete production batching, avoid causing raw and other materials extravagant to guarantee the normal operating of equipment, the storage hopper has set up ejection of compact subassembly in addition, can avoid ejection of compact to block up, guarantees going on smoothly of the ejection of compact.

Drawings

FIG. 1 is a schematic structural view of example 1.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural view of the scraping mechanism in fig. 1.

FIG. 4 is a schematic view of the structure of the storage hopper in example 2.

FIG. 5 is a schematic view of the discharge state of the storage hopper in example 2.

In the figure: the automatic feeding device comprises a frame 1, a conveying belt 2, a weighing hopper 3, a storage hopper 4, a knife board 5, a knife rest 6, a lug plate 7, an installation groove 8, a connecting rod 9, a limit nut 10, a spring 11, a guide groove 12, a guide block 13, a support plate 14, an adjusting nut 15, a traction rod 16, a connecting shaft 17, a threaded rod 18, a sliding block 19, a discharging cone 20, a sealing platform 21, a lifting rod 22 and a discharging cylinder 23.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a batching and weighing device in concrete production comprises a frame 1, wherein a conveyor belt 2 and a weighing hopper 3 are arranged on the frame 1, the conveyor belt 2 is provided with two conveyor belts 2 which are oppositely arranged, a blanking port is arranged between the two conveyor belts 2, two storage hoppers 4 are sequentially arranged above each conveyor belt 2 along a conveying direction, the storage hoppers 4 are fixed on the frame 1, the weighing hopper 3 is arranged below the blanking port, a scraping mechanism is arranged on the weighing hopper 3 corresponding to each conveyor belt 2 and comprises a knife plate 5 and a knife rest 6, a knife edge is arranged at the top of the knife plate 5, an ear plate 7 is arranged at the bottom of the knife plate 5, a connecting hole is arranged on the ear plate 7, the knife rest 6 is connected on the weighing hopper 3 and below the conveyor belts 2, a mounting groove 8 for mounting the knife plate 5 is arranged on the knife rest 6, and a connecting rod 9 in sliding fit with the connecting hole is arranged in the mounting groove 8, the top threaded connection of connecting rod 9 has stop nut 10, and the 9 overcoat of connecting rod is equipped with spring 11, spring 11's both ends respectively with otic placode 7 and the 8 diapire butt of mounting groove.

The side wall of the knife rest 6 is provided with a guide groove 12 which extends along the axial direction of the connecting rod 9, the top of the guide groove 12 is provided with an opening, and the ear plate 7 is connected with a guide block 13 which is in sliding fit with the guide groove 12.

The tool rest 6 is connected to the weighing hopper 3 through an adjusting mechanism, the adjusting mechanism comprises a supporting plate 14, an adjusting nut 15 and a traction rod 16, the bottom of the tool rest 6 is in running fit with the supporting plate 14 through a connecting shaft 17, the supporting plate 14 is fixed on the weighing hopper 3, a threaded rod 18 is arranged on the supporting plate 14 in a running fit mode, the threaded rod 18 is connected with an adjusting motor, the adjusting nut 15 is in threaded fit with the threaded rod 18 and is connected with a sliding block 19, the sliding block 19 is in sliding fit with the supporting plate 14 along the axial direction of the threaded rod 18, one end of the connecting rod 9 is hinged to the tool rest 6, and the other end of the connecting rod is hinged to the adjusting nut 15.

Different types of materials are stored in the four storage hoppers 4, when the four storage hoppers are in work, the materials in the storage hoppers 4 are conveyed into the weighing hoppers 3 through the conveying belts 2 below the storage hoppers to be weighed, and are discharged from the bottoms of the weighing hoppers 3 after the materials reach the standard and conveyed to the next working procedure.

The scraper mechanism has been set up to 2 below of conveyer belt, scrapes the cutting edge of 5 cutting boards in the mechanism and 2 surperficial butts of conveyer belt, and the material motion of adhesion is struck off and breaks away from conveyer belt 2 to scraper department on the conveyer belt 2 to in the feed inlet that fights 3 tops from weighing gets into the fill 3 of weighing, avoid causing raw and other materials extravagant, and guarantee the normal operating of equipment, eliminate the potential safety hazard. When scraping materials, the knife board 5 is in a compression state through the spring 11, when the knife board 5 is used for a long time and is worn, the knife board 5 moves upwards under the action of the spring 11, so that the cutting edge of the knife board 5 can be always in contact with the conveying belt 2, the scraping effect is guaranteed, and the position of the knife board 5 does not need to be adjusted manually.

The connecting rod 9 is provided with a limiting nut 10 which can limit the knife board 5 and prevent the knife board 5 from falling off from the connecting rod 9 to cause the knife board 5 to be separated from the knife rest 6; when the limiting nut 10 is taken down from the connecting rod 9, the scrapped knife board 5 and the spring 11 can be replaced, and the use is convenient. The guide block 13 is arranged to ensure the moving stability of the knife board 5, the top of the guide groove 12 is provided with an opening, and when the knife board 5 is installed, the guide block 13 can be inserted into the guide groove 12 from the opening.

In addition, adjustment mechanism can adjust the inclination of knife rest 6 to the direction of cutting into of 5 cutting edges of cutter blade, cutting edge to the different materials on the conveyer belt 2 strike off the dynamics of conveyer belt 2 are adjusted, thereby reach and to clear away the material on the conveyer belt totally, guarantee again that the cutting edge does not harm conveyor belt's effect. The working principle of the adjusting mechanism is as follows: the adjusting motor drives the threaded rod 18 to rotate, the adjusting nut 15 moves axially along the threaded rod 18, and the traction rod drives the tool rest 6 to rotate around the connecting shaft 17, so that the inclination angle of the tool rest 6 is adjusted.

Example 2

Referring to fig. 4 to 5, the present embodiment is different from embodiment 1 in that: 4 upper portions of storage hopper are the cuboid form, and the lower part is down trapezoidal platform form and is equipped with the discharge gate, discharge gate department is equipped with ejection of compact subassembly, ejection of compact subassembly includes ejection of compact awl 20, seal platform 21, lifter 22, ejection of compact cylinder 23, ejection of compact awl 20 is located in storage hopper 4 and is the quadrangular pyramid form, ejection of compact awl 20's bottom surface and the 4 cross section phase-matchs of storage hopper of its position, seal platform 21 connect in ejection of compact awl 20 bottom and be with the 4 lower part inner wall assorted down trapezoidal platform forms of storage hopper, lifter 22 connects in seal platform 21 bottom and extends to the discharge gate outside, ejection of compact cylinder 23 is fixed in on the storage hopper 4 and is connected with lifter 22 through the support.

The working principle of the discharging assembly in the embodiment is as follows: during the ejection of compact, ejection of compact cylinder 23 starts to drive lifter 22 through the support and rise, go out material awl 20 and seal platform 21 along with lifter 22 synchronous movement and with appear the annular gap between the 4 inner walls of storage hopper, the material in the storage hopper 4 falls to the conveyer belt below from the annular gap under the action of gravity. This kind of structure of this embodiment can avoid storage hopper 4 to appear blockking up when the ejection of compact to can control the ejection of compact speed of material through the rise height of control lifter 22, satisfy different production needs.

The discharge cone 20 can reduce the resistance when the lifting rod 22 ascends, and the sealing platform 21 can ensure the sealing performance of the storage hopper 4.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a batching weighing device in concrete production, includes the frame, its characterized in that: the frame is provided with two conveying belts and two weighing hoppers, the two conveying belts are oppositely arranged, a blanking port is arranged between the two conveying belts, a plurality of storage hoppers are sequentially arranged above each conveying belt along the conveying direction, the storage hopper is fixed on the frame, the weighing hopper is arranged below the blanking port, the weighing hopper is provided with a scraping mechanism corresponding to each conveying belt, the scraping mechanism comprises a knife board and a knife rest, the top of the knife board is provided with a knife edge, the bottom of the knife board is provided with an ear plate, the ear plate is provided with a connecting hole, the knife rest is connected on the weighing hopper and arranged below the conveyor belt, the knife rest is provided with a mounting groove for mounting the knife plate, the mounting groove is internally provided with a connecting rod in sliding fit with the connecting hole, the top of the connecting rod is in threaded connection with a limiting nut, a spring is sleeved outside the connecting rod, and two ends of the spring are respectively abutted against the lug plate and the bottom wall of the mounting groove.

2. The batching and weighing device in concrete production according to claim 1, characterized in that: the side wall of the knife rest is provided with a guide groove extending along the axial direction of the connecting rod, the top of the guide groove is provided with an opening, and the ear plate is connected with a guide block in sliding fit with the guide groove.

3. The batching and weighing device in concrete production according to claim 1, characterized in that: the utility model discloses a weighing machine, including weighing hopper, knife rest, support plate, threaded rod, adjusting motor, draw bar, knife rest, adjusting mechanism, adjusting nut, draw bar, the knife rest bottom passes through connecting axle normal running fit with the support plate, the support plate is fixed in on weighing hopper, rotates in the support plate and is equipped with the threaded rod, the threaded rod is connected with adjusting motor, adjusting nut and threaded rod normal running fit just are connected with the slider, slider and support plate are along threaded rod axial sliding fit, the one end and the knife rest of draw bar are articulated, and the other end articulates on adjusting nut.

4. The batching and weighing device in concrete production according to claim 1, characterized in that: storage hopper upper portion is the cuboid form, and the lower part is down trapezoidal platform form and is equipped with the discharge gate, discharge gate department is equipped with ejection of compact subassembly, ejection of compact subassembly includes ejection of compact awl, seal platform, lifter, ejection of compact cylinder, ejection of compact awl is located in the storage hopper and is the quadrangular pyramid form, the bottom surface of ejection of compact awl and the storage hopper cross section phase-match of its position, seal platform connect in ejection of compact awl bottom and be with storage hopper lower part inner wall assorted down trapezoidal platform form, the lifter is connected in seal platform bottom and is extended to the discharge gate outside, ejection of compact cylinder is fixed in on the storage hopper and is connected with the lifter through the support.