CN212922811U

CN212922811U - A dispensing equipment for concrete production

Info

Publication number: CN212922811U
Application number: CN202021360716.XU
Authority: CN
Inventors: 林建伟; 张廒; 张建民
Original assignee: Tianjin Chunfeng Shunhe Concrete Co ltd
Current assignee: Tianjin Chunfeng Shunhe Concrete Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-09
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a dispensing equipment for concrete production. The device comprises a support, wherein a plurality of groups of raw material bins are arranged at the upper part of the support, the raw material bins are connected with the support through a second weighing sensor, a discharge hole is formed in the lower part of each raw material bin, and a raw material discharge valve assembly is arranged at the discharge hole; a weighing bin is arranged below a discharge port of the raw material bin and is connected with the bracket through a first weighing sensor; a discharge port is arranged at the lower part of the weighing bin, a weighing and discharging valve assembly is arranged at the discharge port, and a discharge stirring assembly is arranged at the discharge port of the weighing bin; a belt conveying line for conveying materials is arranged below a discharge hole of the weighing bin, and a material blocking frame for blocking the materials is arranged at the upper part of the belt conveying line; the top of the raw material bin is open and a raw material filtering piece is arranged at the open. The utility model discloses can carry out accurate measurement to the weight of material.

Description

A dispensing equipment for concrete production

Technical Field

The utility model belongs to concrete production equipment especially relates to a dispensing equipment for concrete production.

Background

Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared from a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is prepared by uniformly stirring, closely compacting, curing and hardening. The construction fields of tunnels, water conservancy and the like play irreplaceable roles.

The concrete mixing plant equipment is a building material manufacturing equipment consisting of five composition systems of a mixing host machine, a material weighing system, a material conveying system, a material storage system and a control system and other accessory facilities, and the main working principle of the concrete mixing plant equipment is that cement is used as a cementing material, raw materials such as sand stone, lime, coal cinder and the like are mixed and stirred, and finally, concrete is manufactured. Therefore, in the large-scale automatic production of concrete, in order to improve the performance of concrete, how to accurately and timely control the feeding of raw materials in the concrete production feeding process, accurately measure the raw materials, and control the mixing ratio of the concrete raw materials to obtain high-performance concrete is firstly improved.

A concrete aggregate proportioning machine is a common construction instrument in the concrete construction process and is mainly used for completing the proportioning of various aggregates according to different concrete formulas. Most of the existing concrete aggregate batchers only have a single weighing process and lack a proofreading process, so that the proportioning of raw materials of all parts is not in accordance with expectations easily, and the quality of concrete is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a measure accurate batching equipment for concrete production for solving the technical problem that exists among the well-known technique.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a batching device for concrete production comprises a support, wherein a plurality of groups of raw material bins are arranged at the upper part of the support, the raw material bins are connected with the support through a second weighing sensor, a discharge hole is formed in the lower part of each raw material bin, and a raw material discharge valve assembly is arranged at the discharge hole; a weighing bin is arranged below a discharge port of the raw material bin and is connected with the bracket through a first weighing sensor; a discharge port is arranged at the lower part of the weighing bin, a weighing and discharging valve assembly is arranged at the discharge port, and a discharge stirring assembly is arranged at the discharge port of the weighing bin; a belt conveying line for conveying materials is arranged below a discharge hole of the weighing bin, and a material blocking frame for blocking the materials is arranged at the upper part of the belt conveying line; the top of the raw material bin is open and a raw material filtering piece is arranged at the open.

The utility model has the advantages that: the utility model provides a batching device for concrete production, which can store different raw materials by arranging a plurality of groups of raw material bins; the weighing bin is arranged to receive materials dropped out of the raw material bin; through setting up the second weighing sensor and the first weighing sensor twice weighing element that distribute from top to bottom, can compare the numerical value of weighing of every kind of material, the problem of weighing is surveyed to timely discovery, has improved the accuracy that the material was weighed, gets rid of unexpected operating mode effectively and leads to weighing unsafe problem, has improved work efficiency.

Preferably: the ejection of compact stirring subassembly includes rotates the ejection of compact pivot of the horizontal setting of being connected with the discharge end of weighing the feed bin, and the rigid coupling has multiunit ejection of compact stirring rake on the periphery wall of ejection of compact pivot, still includes the ejection of compact agitator motor that is used for driving ejection of compact pivot rotation of rigid coupling on weighing the feed bin.

Preferably: a raw material discharge valve assembly; including covering the material piece through articulated shaft and the discharge end looks articulated second of raw materials feed bin, articulated on raw materials feed bin have stretch out the end second pneumatic cylinder of unloading downwards, the second pneumatic cylinder of unloading stretch out the end and cover the material piece with the second and articulate mutually.

Preferably: the weighing discharge valve assembly comprises two groups of discharge hinged rods which are coaxially and fixedly connected at the discharge end of the weighing bin, and a first material shielding part which is hinged with the two groups of discharge hinged rods; the weighing bin is hinged with a first discharging hydraulic cylinder with a downward extending end, and the extending end of the first discharging hydraulic cylinder is hinged with the first material blocking part.

Preferably: the belt conveying line comprises a conveying support, a driving roller and a driven roller are respectively connected to the head end and the tail end of the conveying support in a rotating mode, a conveying belt is connected between the driving roller and the driven roller in a transmission mode, and a plurality of groups of supporting rollers which are arranged side by side and play a supporting role in the conveying belt are connected to the conveying support in a rotating mode.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of area A of FIG. 1;

FIG. 3 is a schematic perspective view of a weighing discharge valve assembly according to the present invention;

FIG. 4 is a schematic perspective view of a material dump valve assembly according to the present invention;

fig. 5 is a schematic perspective view of the raw material filter of the present invention.

In the figure: 1. a material blocking frame; 2. a belt conveyor line; 3. a weighing discharge valve assembly; 3-1, a discharging hinged rod; 3-2, a first material shielding part; 3-3, a first discharging hydraulic cylinder; 4. a discharging and stirring component; 4-1, discharging and stirring a motor; 4-2, a discharging rotating shaft; 4-3, discharging stirring paddles; 5. weighing a stock bin; 6. a raw material discharge valve assembly; 6-1, a second material shielding part; 6-2, a second discharging hydraulic cylinder; 7. a first weighing sensor; 8. a raw material bin; 9. a support; 10. a second load cell; 11. the raw material filter element.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the batching device for concrete production of the present invention comprises a support 9, a plurality of raw material bins 8 are arranged on the upper portion of the support 9, the raw material bins 8 are connected with the support 9 through a second weighing sensor 10, a discharge port is arranged on the lower portion of the raw material bins 8, and a raw material discharge valve assembly 6 is arranged at the discharge port;

as shown in fig. 4, the raw material discharge valve assembly 6; the material screening device comprises a second material screening part 6-1 which is hinged with the discharging end of a raw material bin 8 through a hinged shaft, a second discharging hydraulic cylinder 6-2 with a downward extending end is hinged on the raw material bin 8, and the extending end of the second discharging hydraulic cylinder 6-2 is hinged with the second material screening part 6-1. The second material blocking part 6-1 comprises a plate matched with a discharge hole of the raw material bin 8, and two ends of the plate are fixedly connected with sector plates hinged with the raw material bin 8.

A weighing bin 5 is arranged below a discharge hole of the raw material bin 8, and the weighing bin 5 is connected with a support 9 through a first weighing sensor 7; a discharge hole is arranged at the lower part of the weighing bin 5, and a weighing discharge valve component 3 is arranged at the discharge hole.

As shown in fig. 3, the weighing and discharging valve assembly 3 comprises two groups of discharging hinged rods 3-1 coaxially and fixedly connected at the discharging end of the weighing bin 5, and further comprises a first material shielding member 3-2 hinged with the two groups of discharging hinged rods 3-1; a first discharging hydraulic cylinder 3-3 with an extending end facing downwards is hinged to the weighing bin 5, and the extending end of the first discharging hydraulic cylinder 3-3 is hinged to the first material blocking part 3-2. The first material blocking part 3-2 comprises a plate matched with a discharge hole of the weighing bin 5, and fan-shaped plates hinged with the discharging hinged rod 3-1 are fixedly connected to two ends of the plate.

A discharging stirring component 4 is arranged at a discharging port of the weighing bin 5; as shown in fig. 1 and 2, the discharging stirring assembly 4 includes a transversely disposed discharging rotating shaft 4-2 rotatably connected to the discharging end of the weighing bin 5, a plurality of groups of discharging stirring paddles 4-3 fixedly connected to the outer peripheral wall of the discharging rotating shaft 4-2, and a discharging stirring motor 4-1 fixedly connected to the weighing bin 5 for driving the discharging rotating shaft 4-2 to rotate.

Through setting up ejection of compact stirring subassembly 4 can stir the material of gathering in the discharge gate department of weighing feed bin 5, avoid taking place blocking phenomenon.

Be provided with the belt conveyor line 2 that is used for carrying out the transmission to the material below weighing the discharge gate of feed bin 5, be provided with the fender material frame 1 that is used for sheltering from the material on the upper portion of belt conveyor line 2. As shown in fig. 1, the belt conveyor line 2 includes a conveying support, a driving roller and a driven roller are respectively connected to the head end and the tail end of the conveying support in a rotating manner, a conveying belt is connected between the driving roller and the driven roller in a driving manner, and a plurality of groups of supporting rollers which are arranged side by side and support the conveying belt are connected to the conveying support in a rotating manner. Keep off work or material rest 1 and include two sets of to the long plate spare to the facility with the transmission support looks rigid coupling of belt conveyor line 2, keep off work or material that work or material rest 1 can go on conveying to belt conveyor line 2 and carry on spacingly.

In this embodiment, the raw material silo 8 is open at the top and is provided with a raw material filter 11 at the opening. As shown in fig. 5, the raw material filtering member 11 includes a frame formed by plates, a plurality of sets of reinforcing bars are connected to an inner area of the frame, and gaps are left between adjacent reinforcing bars to filter the material. Adopt plate board + reinforcing bar to constitute and filter the piece, when can guaranteeing the filter effect, still have low cost, processing and easy dismounting's characteristics, more importantly, the filter screen subassembly of this kind of design, it can be according to actual need nimble clearance of adjusting between the adjacent reinforcing bar to satisfy different filtration application scenarios.

The working principle is as follows:

by comparing the weighing values of the two weighing sensors which are vertically distributed, the weighing problem can be timely found, the problem can be timely solved, the economic loss caused by inaccurate material weighing is reduced, and the weighing accuracy is effectively improved. An error value needs to be preset in actual production, and the error value can be an absolute value of a difference value between a weighing reduction value of the second weighing sensor 10 and a weighing increase value of the first weighing sensor 7, and the absolute value of the difference value is X kilograms.

The second weighing sensor 10 can weigh the materials in the raw material bin 8 and the raw material bin 8 in real time, and the first weighing sensor 7 can weigh the materials in the weighing bin 5 and the weighing bin 5 in real time; when the raw material discharge valve assembly 6 is opened, the materials fall into the weighing bin 5 under the action of gravity, the second weighing sensor 10 can weigh the materials in the raw material bin 8 and the raw material bin 8 in real time, and the weighing value is gradually reduced in the process; in the actual working process, an external control circuit can control the raw material discharge valve assembly 6 according to the weighing value and the set weighing weight, change the opening size of a discharge hole of the raw material bin 8 and further control the falling weight of the materials in unit time; particularly, the smaller the difference between the material weighing value and the set weighing weight is, the smaller the opening of the discharge hole of the raw material bin 8 is, and the material weighing precision is further improved. The difference value between the actual weighing value and the initial weighing value of the first weighing sensor 7 is the weight of the material discharged from the raw material bin 8; the control circuit controls the raw material discharge valve assembly 6 such that the discharge port of the raw material bin 8 is closed when the weight of the material discharged from the raw material bin 8 is equal to the set weighing weight.

Finally, a calibration process is carried out, the weight of the material falling into the weighing bin 5 and the weight of the material discharged from the raw material bin 8 are compared in a unified mode, if the absolute value of the difference is larger than or equal to X kilograms, the material weighing is determined to be inaccurate, and the operation needs to be stopped; if the absolute value of the difference is less than X kilograms, the material is determined to be accurately weighed; the discharge gate that the discharge valve subassembly 3 opened weighing bin 5 is weighed in the control, weighs the material in the bin 5 and drops on the transmission face of belt conveyor line 2, then transmits to other stations.

Claims

1. A dispensing equipment for concrete production, characterized by: the device comprises a support (9), wherein a plurality of groups of raw material bins (8) are arranged at the upper part of the support (9), the raw material bins (8) are connected with the support (9) through a second weighing sensor (10), a discharge hole is formed in the lower part of the raw material bins (8), and a raw material discharge valve assembly (6) is arranged at the discharge hole; a weighing bin (5) is arranged below a discharge hole of the raw material bin (8), and the weighing bin (5) is connected with a support (9) through a first weighing sensor (7); a discharge hole is formed in the lower part of the weighing bin (5), a weighing and discharging valve assembly (3) is arranged at the discharge hole, and a discharge stirring assembly (4) is arranged at the discharge hole of the weighing bin (5); a belt conveying line (2) for conveying materials is arranged below a discharge hole of the weighing bin (5), and a material blocking frame (1) for blocking the materials is arranged at the upper part of the belt conveying line (2); the top of the raw material bin (8) is open, and a raw material filtering piece (11) is arranged at the open.

2. The batching plant for the production of concrete according to claim 1, characterized in that: the discharging stirring assembly (4) comprises a transversely arranged discharging rotating shaft (4-2) rotatably connected with the discharging end of the weighing bin (5), a plurality of groups of discharging stirring paddles (4-3) are fixedly connected to the outer peripheral wall of the discharging rotating shaft (4-2), and a discharging stirring motor (4-1) which is fixedly connected to the weighing bin (5) and used for driving the discharging rotating shaft (4-2) to rotate is further included.

3. The batching plant for the production of concrete according to claim 1, characterized in that: a raw material discharge valve assembly (6); the material screening device comprises a second material screening part (6-1) hinged with the discharging end of a raw material bin (8) through a hinged shaft, a second discharging hydraulic cylinder (6-2) with an extending end facing downwards is hinged on the raw material bin (8), and the extending end of the second discharging hydraulic cylinder (6-2) is hinged with the second material screening part (6-1).

4. The batching plant for the production of concrete according to claim 1, characterized in that: the weighing and discharging valve assembly (3) comprises two groups of discharging hinged rods (3-1) which are coaxially and fixedly connected at the discharging end of the weighing bin (5), and also comprises a first material shielding part (3-2) which is hinged with the two groups of discharging hinged rods (3-1); a first discharging hydraulic cylinder (3-3) with an extending end facing downwards is hinged to the weighing bin (5), and the extending end of the first discharging hydraulic cylinder (3-3) is hinged to the first material shielding part (3-2).

5. The batching plant for the production of concrete according to claim 1, characterized in that: the belt conveying line (2) comprises a conveying support, a driving roller and a driven roller are respectively connected to the head end and the tail end of the conveying support in a rotating mode, a conveying belt is connected between the driving roller and the driven roller in a transmission mode, and a plurality of groups of supporting rollers which are arranged side by side and play a supporting role in the conveying belt are connected to the conveying support in a rotating mode.