CN219233060U - Concrete mixing plant with screening mechanism - Google Patents

Abstract

The utility model relates to a concrete mixing plant with a screening mechanism, which comprises a support frame, wherein a screening box is fixed between the inner walls of the left side and the right side of the support frame, screening components for improving the screening effect are arranged on the inner walls of the left side and the right side of the screening box, and dust collection components for reducing the emission of dust of screening raw materials are arranged on the inner walls of the left side of the screening box. This concrete mixing plant with screening mechanism, through having set up the subassembly that sieves, through the cooperation between screening otter board, vibrating motor and second conveying platform and the dust proof case etc., can utilize vibrating motor to drive screening otter board motion to get into the concrete raw materials of screening case and sieve wherein the raw materials whereabouts that accords with the standard is mixed by the discharge of second conveying platform and processed, and the secondary processing is taken away through first conveying platform to the raw materials that does not accord with the standard, and first conveying platform and second conveying platform outside all are equipped with dustproof construction, can effectively avoid raw materials dust to give off influence environment and reduce consumption.

Description

Concrete mixing plant with screening mechanism

Technical Field

The utility model relates to the technical field of concrete mixing stations, in particular to a concrete mixing station with a screening mechanism.

Background

The concrete mixing plant mainly comprises a mixing host machine, a material weighing system, a material conveying system, a material storage system, a control system and other auxiliary facilities, and four intermediate links are reduced compared with the aggregate metering of the plant due to the fact that the aggregate metering of the building is performed, the vertical blanking metering is performed, the metering time is saved, and therefore the production efficiency is greatly improved, wherein the main facilities in the concrete mixing plant are concrete batching machines, also called batching machines and gravel automatic batching machines, and the concrete mixing plant is used for various materials such as: the automatic equipment for quantitative distribution of sand and stone is used for replacing manual platform scales or volume metering and the like, has the characteristics of high metering precision, high distribution efficiency, high degree of automation and the like, and is one of main parts in complete equipment of a full-automatic concrete mixing station.

The utility model discloses a concrete mixing plant proportioning machine with vibration screening mechanism in China patent publication No. (CN 213890656U), which comprises a mounting rack, proportioning tank is all fixedly installed in both sides of the inside top of the mounting rack, and the top fixed mounting of proportioning tank has the buckled plate, the top fixed mounting screening case of buckled plate, and the inside fixed mounting of screening case has screening net, the top fixed mounting of screening case has the mounting panel, this utility model is provided with the collection funnel and cooperates with first transmission band, can carry out the transmission to the concrete raw materials that the batching was accomplished and discharge, thereby be convenient for concrete production equipment to process the operation to the device raw materials, the practicality of proportioning machine has been improved, be provided with mount pad and light cooperation, can throw light on when using to the proportioning machine through the mount pad simultaneously, the practicality of proportioning machine has been improved, make proportioning machine convenient to use more, has enlarged application scope, but still exist in this patent and can cause the problem that pollution and increase the raw materials consumption to the environment along with vibration gives off to the sky, the screening net in the prior art and the corresponding vibration in the transportation band does not lead to the fact the dust to the fact the problem of the environmental pollution and the dust, the dust is less than the practical impact of the prior art is not had to the vibration in the screening process of the corresponding vibration in the area and has the vibration has the characteristics that the vibration has the characteristics of leading to the prior art has less practical characteristics.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a concrete mixing plant with a screening mechanism, which has the advantages of good screening effect and the like, and solves the problems that raw material dust can be emitted into the air along with vibration in the raw material screening process to pollute the environment and increase raw material consumption in the existing concrete mixing plant with the screening mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the concrete mixing plant with the screening mechanism comprises a support frame, wherein a screening box is fixed between the inner walls of the left side and the right side of the support frame, screening components for improving the screening effect are arranged on the inner walls of the left side and the right side of the screening box, and dust collection components for reducing the emission of dust of screening raw materials are arranged on the inner wall of the left side of the screening box;

the utility model discloses a screening assembly, including fixing the fixed plate at screening case left and right sides inner wall, two the upper surface of fixed plate all is fixed with vibrating spring, two vibrating spring's upper surface is fixed with screening otter board, screening otter board's lower surface is fixed with vibrating motor, the discharge gate has been seted up to screening case's right side inner wall, the inner peripheral wall of discharge gate is fixed with the discharging pipe, the right side of support frame is fixed with the feed back case, the bottom and the upper surface intercommunication of feed back case of discharging pipe, the interior bottom wall of feed back case is fixed with first conveying platform, the right side inner wall of support frame is fixed with the dust proof case, be fixed with second conveying platform between the front and back both sides inner wall of dust proof case.

Further, the right side of support frame is fixed with the controller, the upper surface intercommunication of screening case has the inlet pipe.

Further, the right side inner wall of screening case is fixed with the guide plate, both sides all are fixed with the baffle around the screening otter board upper surface.

Further, a connecting pipe is communicated between the lower surface of the screening box and the upper surface of the dust box, and a control valve is fixed on the outer surface of the connecting pipe.

Further, the left and right sides of first conveying platform upper surface all is fixed with the anti-falling plate, the interior roof of dust proof case is fixed with the limiting plate.

Further, the dust collection assembly is including seting up the dust absorption mouth at screening case left side inner wall, the inner peripheral wall of dust absorption mouth is fixed with the suction hood, the left side intercommunication of suction hood has the exhaust column, the left side of support frame is fixed with the dust collection case, the bottom and the upper surface intercommunication of dust collection case of exhaust column, the inner roof of dust collection case is fixed with the baffle, the inner roof of dust collection case just is located the left side of baffle and is fixed with the fan, the air inlet end of fan is fixed with the filter.

Further, the air outlet end of the fan is communicated with an exhaust pipe, the top end of the exhaust pipe penetrates through and extends to the upper portion of the dust suction box, and a blocking net is fixed on the right side of the dust suction hood.

Further, the cleaning opening is formed in the front face of the dust collection box, the inner bottom wall of the cleaning opening is connected with the collecting frame in a sliding mode, and the height of the collecting frame is equal to the length between the inner top wall of the cleaning opening and the inner bottom wall.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this concrete mixing plant with screening mechanism, through having set up the subassembly that sieves, through the cooperation between screening otter board, vibrating motor, first conveying platform and second conveying platform and the dust proof case etc., can utilize vibrating motor to drive screening otter board motion to get into the concrete raw materials of screening case and sieve wherein the raw materials whereabouts that accords with the standard is mixed processing by the discharge of second conveying platform, and the raw materials that does not accord with the standard then takes away secondary operation through first conveying platform, and first conveying platform and second conveying platform outside all are equipped with dustproof construction, can effectively avoid raw materials dust to give off influence on the environment and reduce consumption.

2. This concrete mixing plant with screening mechanism, through having set up dust absorption subassembly, through mutually supporting between suction hood, exhaust column, suction box, fan, filter and baffle and the collection frame etc. can utilize fan and filter cooperation to form the dust catcher, utilizes the dust catcher principle to follow the raw materials dust that the vibration gives off in the exhaust column extraction screening box and enter into the suction box and deposit and concentrate recovery processing in collecting the frame, reduce extravagant saving concrete mixing plant cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a screen assembly of the present utility model;

figure 3 is a schematic view of a dust collection assembly according to the present utility model.

In the figure: 1 supporting frame, 2 screening boxes, 3 screening components, 301 fixing plates, 302 vibrating springs, 303 screening net plates, 304 vibrating motors, 305 discharge holes, 306 discharge pipes, 307 feed back boxes, 308 first conveying platforms, 309 dustproof boxes, 310 second conveying platforms, 4 dust collection components, 401 dust collection holes, 402 dust collection covers, 403 exhaust pipes, 404 dust collection boxes, 405 partition plates, 406 fans, 407 filters and 408 collection frames.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1, a concrete mixing plant with screening mechanism in this embodiment includes a support frame 1, a screening box 2 is fixed between the inner walls of the left and right sides of the support frame 1, the inner walls of the left and right sides of the screening box 2 are provided with a screening assembly 3 for improving the screening effect, and the inner wall of the left side of the screening box 2 is provided with a dust collection assembly 4 for reducing the emission of dust of screening raw materials.

In this embodiment, the right side of support frame 1 is fixed with the controller, and the upper surface intercommunication of screening case 2 has the inlet pipe, communicates between inlet pipe and the material tower in the concrete mixing plant, pumps the raw materials into screening case 2 along the inlet pipe through the charge pump.

It should be noted that, the control mode of the present utility model is controlled by the controller, the control circuit of the controller can be implemented by simple programming of those skilled in the art, and the supply of power also belongs to the common knowledge in the art, so the present utility model does not explain the control mode and circuit connection in detail, the electrical appliances appearing in the present application are all common electrical appliances in the prior art, and the present application will not be repeated.

Embodiment two: referring to fig. 2, on the basis of the first embodiment, in order to improve the screening effect of the raw material discharging of the concrete mixing plant, the screening assembly 3 in this embodiment includes a fixing plate 301 fixed on the inner walls of the left and right sides of the screening box 2, vibration springs 302 are fixed on the upper surfaces of the two fixing plates 301, a screening screen 303 is fixed on the upper surfaces of the two vibration springs 302, a vibration motor 304 is fixed on the lower surface of the screening screen 303, the user starts the vibration motor 304 to drive the screening screen 303 to perform vibration motion under the action of the vibration springs 302 to screen the raw material entering the screening box 2, a discharging hole 305 is formed in the inner wall of the right side of the screening box 2, a discharging pipe 306 is fixed on the inner wall of the discharging hole 305, a return box 307 is fixed on the right side of the supporting frame 1, the bottom end of the discharging pipe 306 is communicated with the upper surface of the return box 307, a first conveying platform 308 is fixed on the inner bottom wall of the return box 307, raw materials which do not fit with the standard fall along with the inclined plane of the screening screen 303, enter the first conveying platform 308 in the return box 307, the second conveying platform 308 is driven by the vibration motion of the screening screen 303 under the action of the vibration spring 302, the dust fall along the inner wall of the first conveying platform 309 is fixed on the inner wall of the second conveying platform 309, and fall along the second mixing box 309 is made into the mixing box, and the dust fall along the second mixing system, and the two mixing platform is made into the condition, and the dust falls into the mixing system, and is matched with the two dust and is mixed with the dust and is mixed on the two inner wall and the inner wall of the dust and is 310.

In this embodiment, the right side inner wall of screening case 2 is fixed with the guide plate, can make the raw materials screen from the high point of screening otter board 303 through the guide plate when screening raw materials gets into, both sides all are fixed with the baffle around the screening otter board 303 upper surface, the intercommunication has the connecting pipe between the lower surface of screening case 2 and the upper surface of dust proof case 309, and the external surface fixation of connecting pipe has the control valve, the left and right sides of first conveying platform 308 upper surface all is fixed with the anti-falling plate, the interior roof of dust proof case 309 is fixed with the limiting plate, first conveying platform 308 and second conveying platform 310 outside are equipped with dust proof case 309 and feed back case 307 respectively, can effectively avoid raw materials dust to give off influence the environment and reduce the raw materials loss and improve the screening effect.

Embodiment III: referring to fig. 3, in order to collect and use raw material dust generated by screening before mixing raw materials in a concrete mixing plant, the dust collection assembly 4 in this embodiment includes a dust collection opening 401 formed in a left inner wall of a screening box 2, a dust collection cover 402 is fixed on an inner peripheral wall of the dust collection opening 401, an exhaust pipe 403 is communicated with a left side of the dust collection cover 402, a dust collection box 404 is fixed on a left side of a support frame 1, a bottom end of the exhaust pipe 403 is communicated with an upper surface of the dust collection box 404, a partition 405 is fixed on an inner top wall of the dust collection box 404, a fan 406 is fixed on an inner top wall of the dust collection box 404 and is positioned on a left side of the partition 405, a filter 407 is fixed on an air inlet end of the fan 406, and in a vibration screening process, a user can utilize the fan 406 to start suction and the filter 407 to filter impurities to avoid entering the fan 406 to form a dust collector, and introduce the raw material dispersed by vibration in the screening box 2 into the dust collection box through the exhaust pipe 403 by using the principle of the dust collection cover 403.

In this embodiment, the air outlet end of the fan 406 is communicated with an exhaust pipe, the top end of the exhaust pipe penetrates through and extends to the upper side of the dust collection box 404, a blocking net is fixed on the right side of the dust collection cover 402, a cleaning opening is formed in the front side of the dust collection box 404, the inner bottom wall of the cleaning opening is slidably connected with a collecting frame 408, the height of the collecting frame 408 is equal to the length between the inner top wall and the inner bottom wall of the cleaning opening, and entering dust is deposited in the collecting frame 408 by losing power under the action of the partition 405 and the filter 407 for concentrated recovery treatment, so that the dust collection box can be used for producing other products in a concrete mixing station.

The working principle of the embodiment is as follows:

(1) When the screening effect is improved by discharging raw materials of a concrete mixing plant, the feeding pipe is communicated with a material tower in the concrete mixing plant, raw materials are pumped into the screening box 2 along the feeding pipe through the material pump, a user starts a vibrating motor 304 to drive a screening screen 303 to vibrate under the action of a vibrating spring 302 to screen concrete raw materials entering the screening box 2, the raw materials can be screened from high points of the screening screen 303 through a guide plate when the screened raw materials enter, wherein the raw materials meeting the standard fall along meshes of the screening screen 303 and enter a dust box 309 along a connecting pipe and an opened control valve and then fall onto a second conveying platform 310, the raw materials are discharged into a mixing system in the concrete mixing plant through the second conveying platform 310 to be mixed and processed into concrete, and the raw materials which do not meet the standard fall along an inclined plane of the screening screen 303 to pass through a first conveying platform 308 in a discharging hole 306 and enter a feed back box 307 along the discharging pipe 306, secondary crushing processing is carried out through the first conveying platform 308, and dust boxes 309 and 309 are respectively arranged outside the first conveying platform 308 and the second conveying platform 310, so that the screening effect can be effectively prevented from being influenced by the dust loss of the raw materials.

(2) When the raw material dust generated by screening before mixing raw materials of a concrete mixing plant is subjected to dust collection and collection, firstly, the screening component 3 is started by a controller to screen the raw materials in a vibrating manner, reject products in the raw materials are screened out, meanwhile, in the vibration screening process, a user can start to generate suction force by using the fan 406 and filter 407 to filter impurities so as to avoid entering the fan 406 to be matched with the fan 406 to form a dust collector, the suction force is introduced into the dust hood 402 by using the dust collector principle to extract the raw material dust emitted by vibration in the screening box 2 and enable the raw material dust to enter the dust collection box 404 along the suction tube 403, and then the entering dust loses power under the action of the partition 405 and the filter 407 to be deposited in the collection frame 408 for concentrated recovery treatment, so that the raw material dust collection device can be used for producing other products in the concrete mixing plant.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Concrete mixing plant with screening mechanism, including support frame (1), its characterized in that: a screening box (2) is fixed between the inner walls of the left side and the right side of the supporting frame (1), screening components (3) for improving the screening effect are arranged on the inner walls of the left side and the right side of the screening box (2), and dust collection components (4) for reducing the dust emission of screening raw materials are arranged on the inner walls of the left side of the screening box (2);

the utility model discloses a screening assembly, screening assembly (3), including fixing fixed plate (301) at screening case (2) left and right sides inner wall, two the upper surface of fixed plate (301) all is fixed with vibration spring (302), two the upper surface of vibration spring (302) is fixed with screening otter board (303), the lower fixed surface of screening otter board (303) has vibrating motor (304), discharge gate (305) have been seted up to the right side inner wall of screening case (2), the inner peripheral wall of discharge gate (305) is fixed with discharging pipe (306), the right side of support frame (1) is fixed with feed back case (307), the bottom of discharging pipe (306) communicates with the upper surface of feed back case (307), the interior bottom of feed back case (307) is fixed with first conveying platform (308), the right side inner wall of support frame (1) is fixed with dust proof case (309), be fixed with second conveying platform (310) between the front and back both sides inner wall of dust proof case (309).

2. A concrete batching plant with screening mechanism according to claim 1, wherein: the right side of support frame (1) is fixed with the controller, the upper surface intercommunication of screening case (2) has the inlet pipe.

3. A concrete batching plant with screening mechanism according to claim 1, wherein: the right side inner wall of screening case (2) is fixed with the guide plate, both sides all are fixed with the baffle around screening otter board (303) upper surface.

4. A concrete batching plant with screening mechanism according to claim 1, wherein: a connecting pipe is communicated between the lower surface of the screening box (2) and the upper surface of the dust-proof box (309), and a control valve is fixed on the outer surface of the connecting pipe.

5. A concrete batching plant with screening mechanism according to claim 1, wherein: anti-falling plates are fixed on the left side and the right side of the upper surface of the first conveying platform (308), and a limiting plate is fixed on the inner top wall of the dust box (309).

6. A concrete batching plant with screening mechanism according to claim 1, wherein: the dust collection assembly (4) comprises a dust collection opening (401) formed in the left inner wall of the screening box (2), a dust collection cover (402) is fixed on the inner peripheral wall of the dust collection opening (401), an exhaust pipe (403) is communicated with the left side of the dust collection cover (402), a dust collection box (404) is fixed on the left side of the supporting frame (1), the bottom end of the exhaust pipe (403) is communicated with the upper surface of the dust collection box (404), a partition plate (405) is fixed on the inner top wall of the dust collection box (404), a fan (406) is fixed on the inner top wall of the dust collection box (404) and the left side of the partition plate (405), and a filter (407) is fixed on the air inlet end of the fan (406).

7. A concrete mixing plant with a screening mechanism according to claim 6, wherein: the air outlet end of the fan (406) is communicated with an exhaust pipe, the top end of the exhaust pipe penetrates through and extends to the upper portion of the dust suction box (404), and a blocking net is fixed on the right side of the dust suction hood (402).

8. A concrete mixing plant with a screening mechanism according to claim 6, wherein: the front of dust suction box (404) has seted up the clearance mouth, and the interior bottom wall sliding connection of clearance mouth has collection frame (408), the length between the interior roof of collection frame (408) and the interior bottom wall of clearance mouth equals.

Images