Dust-free feeding device for concrete production

Abstract

The utility model relates to the technical field of concrete batching processing, in particular to a dust-free feeding device for concrete production, which is characterized in that a batching feeding hopper A, a batching feeding hopper B and a batching feeding hopper C are arranged on a feeding hopper frame; the bottoms of the ingredient feed hopper A, the ingredient feed hopper B and the ingredient feed hopper C are respectively provided with a feed opening; a feeding conveying belt is arranged below the discharging opening. The feeding conveying belt is arranged on the conveying belt support. A belt conveyor is arranged below the tail end of the feeding conveyor belt; the belt conveyor is arranged on the sliding rail; stirrers are arranged at the tops of the sliding rails; and the belt conveyor is arranged in the belt conveyor groove, so that the problem of dustless batching in the automatic batching process of concrete is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust-free feeding of aggregates during concrete production, in particular to a dust-free feeding device for concrete production. Background Art

[0002] In the concrete preparation and processing process, concrete aggregate refers to the granular loose material that acts as a skeleton or filler in concrete. During the concrete production process, the concrete aggregate needs to be weighed and mixed in proportion. The coarse and fine aggregates used to mix concrete contain a large amount of dust particles. In the actual production process, the feeding process of concrete aggregate ingredients is highly dusty. In the existing technology, since the aggregate ingredients need to be mixed in the concrete production process and then put into the mixer for mixing, referring to CN202111620592.3 high-strength concrete integrated green linkage production line, a feeder that can automate the configuration of concrete ingredients and achieve dust-free and efficient production is designed. Utility Model Content

[0003] The purpose of the utility model is to provide a dust-free feeding device for concrete production, so as to solve the problem of dust-free batching in the process of automatic batching of concrete.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A dust-free feeding device for concrete production comprises a batching feed hopper A, a batching feed hopper B, a batching feed hopper C, a feed hopper frame, a discharge port, a feed conveyor, a conveyor frame, a belt conveyor, a belt conveyor support frame, and a mixer; the batching feed hopper A, the batching feed hopper B, and the batching feed hopper C are arranged in an array on the feed hopper frame; the batching feed hopper A, the batching feed hopper B, and the batching feed hopper C are respectively provided with discharge ports at their bottoms; a feed conveyor is provided below the discharge ports; the feed conveyor is provided on the conveyor frame; a discharge weighing hopper is provided on the upper part of the feed conveyor; the discharge weighing hopper is supported by a weighing hopper support frame; a pressure sensor is provided at the bottom of the weighing hopper support frame; a belt conveyor is provided below the end of the feed conveyor; the belt conveyor is provided on the belt conveyor support frame; a mixer is provided on the top of the belt conveyor support frame; and the belt conveyor is provided in a belt conveyor trough.

[0006] Furthermore, the unloading weighing hopper is arranged in a V-shaped structure; an arc-shaped discharge port is arranged at the bottom of the unloading weighing hopper; a plurality of conveying support rollers are respectively arranged on the conveyor belt bracket; the conveying support rollers are arranged in an arc-shaped structure; dust removal and exhaust strips are arranged on both sides of the top of the unloading weighing hopper; the other end of the dust removal and exhaust strip is connected to the negative pressure dust collector through the dust suction pipe A; the negative pressure dust collector is arranged in the base.

[0007] Furthermore, a recovery trough is provided in the base; the recovery trough is slidably arranged on a track; a recovery buffer bin is provided on the top of the recovery trough; the bottom of the recovery buffer bin is an open structure; the other end of the recovery buffer bin is connected to a negative pressure dust collector.

[0008] Furthermore, dust removal bags are arranged in the recovery buffer bin; the dust removal bags are suspended on the vibration plate.

[0009] Furthermore, a recovery trough is provided at the bottom of the belt conveyor trough; the recovery trough is a conical structure; a material extraction port is provided at the bottom of the recovery trough; the material extraction port is connected to the negative pressure dust collector through a dust suction pipe B.

[0010] Furthermore, the sides of the batching feed hopper A, the batching feed hopper B and the batching feed hopper C are independently provided with a feeding vibrator.

[0011] Compared with the prior art, the present invention can achieve one of the following beneficial effects:

[0012] 1. Batching feed hopper A, batching feed hopper B and batching feed hopper C are arranged in an array on a feed hopper frame; batching feed hopper A, batching feed hopper B and batching feed hopper C are respectively provided with discharge ports at the bottom; a feed conveyor is provided below the discharge port; the feed conveyor is provided on a conveyor frame; a belt conveyor is provided below the end of the feed conveyor; the belt conveyor is provided on a belt conveyor support frame; a mixer is provided on the top of the belt conveyor support frame; the belt conveyor is provided in a belt conveyor trough, and can realize the feeding and preparation of ingredients through a plurality of independently provided feed valves. The quantitatively prepared raw materials are conveyed to the belt conveyor trough by the feed conveyor for lifting to complete the subsequent processing steps.

[0013] 2. A material unloading weighing bucket is provided on the upper part of the feed conveyor belt; the material unloading weighing bucket is supported by a weighing bucket support frame; a pressure sensor is provided at the bottom of the weighing bucket support frame, which can realize the weighing of the ingredients when the unloading is completed through the provided material unloading weighing bucket, thereby facilitating the control of the unloading weight of each raw material.

[0014] 3. The unloading weighing hopper is arranged in a V-shaped structure; an arc-shaped discharge port is arranged at the bottom of the unloading weighing hopper; a plurality of conveying support rollers are respectively arranged on the conveyor belt bracket; the conveying support rollers are arranged in an arc-shaped structure; dust removal and exhaust strips are arranged on both sides of the top of the unloading weighing hopper; the other end of the dust removal and exhaust strip is connected to the negative pressure dust collector through the dust suction pipe A; the negative pressure dust collector is arranged in the base, and can collect the dust generated during the unloading process through the set dust suction pipe A, thereby reducing dust and making the conveyor belt transport at a uniform speed.

[0015] 4. A recycling trough is provided in the base; the recycling trough is slidingly provided on a track; a recycling buffer bin is provided on the top of the recycling trough; the bottom of the recycling buffer bin is an open structure; the other end of the recycling buffer bin is connected to a negative pressure dust collector, which can collect and store the ingredient dust collected in the unloading protection trough through the provided recycling trough, thereby preventing dust pollution and collecting raw materials to prevent waste.

[0016] 5. Dust bags are arranged in the recovery buffer bin; the dust bags are suspended on the vibration plate, which can buffer the airflow generated by the negative pressure dust collector through the dust bags, and slow down the ingredients extracted by the negative pressure dust collector and drop them into the recovery trough for storage.

[0017] 6. A recovery trough is provided at the bottom of the belt conveyor trough; the recovery trough is a conical structure; a material extraction port is provided at the bottom of the recovery trough; the material extraction port is connected to the negative pressure dust collector through the dust suction pipe B, so that the ingredients leaked from the belt conveyor can be collected through the recovery trough, and then extracted from the extraction port to the recovery trough for storage to prevent waste.

[0018] 7. The sides of the batching feed hopper A, batching feed hopper B and batching feed hopper C are independently provided with a feeding vibrator, which can prevent the batching feed hopper from being blocked during feeding and achieve uniform and stable feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the material feeding protection chute of the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the recovery buffer bin of the utility model.

[0022] Figure 4 This is a schematic diagram of the local structure of the belt conveyor trough of the utility model.

[0023] Description of the drawings: 1-Batching feed hopper A, 2-Batching feed hopper B, 3-Batching feed hopper C, 4-Discharging vibrator, 5-Feed hopper frame, 6-Discharging port, 7-Feed conveyor belt, 8-Discharging weighing hopper, 801-Dust removal and exhaust strip, 802-Dust suction pipe A, 803-Arc-shaped discharge port, 804-Discharge valve, 805-Weight hopper support frame, 806-Weight hopper support frame, 9-Conveyor belt bracket, 10-Belt conveyor, 11-Belt conveyor support frame, 12-Mixer, 13-Belt conveyor trough, 1301-Recovery trough, 1302-Extraction port, 1303-Dust suction pipe B, 14-Base, 15-Negative pressure dust collector, 16-Recovery trough, 17-Track, 18-Recovery buffer bin. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] Example 1

[0026] A dust-free feeding device for concrete production, comprising a batching feed hopper A1, a batching feed hopper B2, a batching feed hopper C3, a feed hopper frame 5, a discharge port 6, a feed conveyor belt 7, a conveyor belt bracket 9, a belt conveyor 10, a belt conveyor support frame 11, and a mixer 12; the batching feed hopper A1, the batching feed hopper B2, and the batching feed hopper C3 are arranged in an array on the feed hopper frame 5; the batching feed hopper A1, the batching feed hopper B2, and the batching feed hopper C3 are respectively provided with a discharge port 6 at their bottoms; a feed conveyor belt 7 is provided below the discharge port 6; the feed conveyor belt 7 is provided on the conveyor belt bracket 9; a belt conveyor 10 is provided below the end of the feed conveyor belt 7; the belt conveyor 10 is provided at the bottom of the conveyor belt 7; On the belt conveyor support frame 11; a mixer 12 is provided on the top of the belt conveyor support frame 11; the belt conveyor 10 is provided in the belt conveyor trough 13, and can realize the feeding and preparation of ingredients through a plurality of independently arranged feeding valves, and the quantitatively prepared ingredients are conveyed to the belt conveyor trough through the feeding conveyor belt for lifting to complete the subsequent processing steps; a discharge weighing bucket 8 is provided on the upper part of the feeding conveyor belt 7; the discharge weighing bucket 8 is supported by the weighing bucket support frame 805; a pressure sensor 806 is provided at the bottom of the weighing bucket support frame 805, which can realize the weighing of ingredients when the discharge is completed through the set discharge weighing bucket, so as to facilitate the control of the discharge weight of each raw material.

[0027] Example 2

[0028] On the basis of Example 1, the unloading weighing hopper 8 is set as a V-shaped structure; an arc-shaped discharge port 803 is set at the bottom of the unloading weighing hopper 8; a plurality of conveying support rollers 901 are respectively provided on the conveyor belt bracket 9; the conveying support rollers 901 are set as an arc-shaped structure; dust removal and exhaust strips 801 are provided on both sides of the top of the unloading weighing hopper 8; the other end of the dust removal and exhaust strip 801 is connected to the negative pressure dust collector 15 through the dust suction pipe A802; the negative pressure dust collector 15 is set in the base 14, which can realize the collection of dust generated during the unloading process through the set unloading weighing hopper, thereby reducing dust and making the conveyor belt transport at a uniform speed.

[0029] Example 3

[0030] On the basis of Example 1, a recycling trough 16 is provided in the base 14; the recycling trough 16 is slidably set on the track 17; a recycling buffer bin 18 is provided on the top of the recycling trough 16; the bottom of the recycling buffer bin 18 is an open structure; the other end of the recycling buffer bin 18 is connected to the negative pressure dust collector 15, which can realize the collection and storage of the ingredient dust collected in the unloading protection trough through the set recycling trough, preventing dust pollution, and can also collect raw materials to prevent waste.

[0031] Example 4

[0032] On the basis of Example 1, dust bags 19 are arranged in the recovery buffer bin 18; the dust bags 19 are suspended on the vibration plate 20, which can buffer the airflow generated by the negative pressure dust collector through the dust bags, and slow down the ingredients extracted by the negative pressure dust collector and drop them into the recovery trough for storage.

[0033] Example 5

[0034] On the basis of Example 1, a recovery trough 1301 is provided at the bottom of the belt conveyor trough 13; the recovery trough 1301 is a conical structure; a suction port 1302 is provided at the bottom of the recovery trough 1301; the suction port 1302 is connected to the negative pressure dust collector 15 through the dust suction pipe B1303, so that the ingredients leaked from the belt conveyor can be collected through the recovery trough, and then extracted from the suction port to the recovery trough for storage to prevent waste.

[0035] Example 6

[0036] On the basis of Example 1, the sides of the batching feed hopper A1, batching feed hopper B2 and batching feed hopper C3 are independently provided with a discharge vibrator 4, which can prevent the batching feed hopper from being blocked during discharge and achieve uniform and stable discharge.

[0037] Although the present invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and implementations may be devised by those skilled in the art that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure, the drawings, and the claims, various variations and modifications may be made to the components and / or layout of the subject combination arrangement. In addition to variations and modifications to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A dust-free feeding device for concrete production, characterized by: The invention comprises a batching feed hopper A (1), a batching feed hopper B (2), a batching feed hopper C (3), a feed hopper frame (5), a discharge port (6), a feed conveyor belt (7), a conveyor belt support frame (9), a belt conveyor (10), a belt conveyor support frame (11), and a mixer (12); the batching feed hopper A (1), the batching feed hopper B (2), and the batching feed hopper C (3) are arranged on the feed hopper frame (5); the batching feed hopper A (1), the batching feed hopper B (2), and the batching feed hopper C (3) are respectively provided with a discharge port (6) at the bottom; a feed conveyor belt is provided below the discharge port (6). (7); the feeding conveyor belt (7) is arranged on the conveyor belt bracket (9); a feeding weighing hopper (8) is arranged on the upper part of the feeding conveyor belt (7); the feeding weighing hopper (8) is supported by the weighing hopper support frame (805); a pressure sensor (806) is arranged at the bottom of the weighing hopper support frame (805); a belt conveyor (10) is arranged below the end of the feeding conveyor belt (7); the belt conveyor (10) is arranged on the belt conveyor support frame (11); a mixer (12) is arranged on the top of the belt conveyor support frame (11); the belt conveyor (10) is arranged in the belt conveyor trough (13).

2. A dust-free feeding device for concrete production according to claim 1, characterized in that: The unloading weighing hopper (8) is of a V-shaped structure; an arc-shaped discharge port (803) is provided at the bottom of the unloading weighing hopper (8); a discharge valve (804) is provided in the arc-shaped discharge port (803); a plurality of conveying support rollers (901) are respectively provided on the conveyor belt bracket (9); the conveying support rollers (901) are of an arc-shaped structure; dust removal and exhaust strips (801) are provided on both sides of the top of the unloading weighing hopper (8); the other end of the dust removal and exhaust strips (801) is connected to a negative pressure dust collector (15) through a dust suction pipe A (802); the negative pressure dust collector (15) is arranged in the base (14).

3. A dust-free feeding device for concrete production according to claim 2, characterized in that: A recycling trough (16) is provided in the base (14); the recycling trough (16) is slidably provided on a track (17); a recycling buffer bin (18) is provided on the top of the recycling trough (16); the bottom of the recycling buffer bin (18) is an open structure; and the other end of the recycling buffer bin (18) is connected to a negative pressure dust collector (15).

4. A dust-free feeding device for concrete production according to claim 3, characterized in that: Dust removal bags (19) are arranged in the recovery buffer bin (18); the dust removal bags (19) are suspended on the vibration plate (20).

5. The dust-free feeding device for concrete production according to claim 1, characterized in that: A recovery trough (1301) is provided at the bottom of the belt conveyor trough (13); the recovery trough (1301) is a conical structure; a material extraction port (1302) is provided at the bottom of the recovery trough (1301); the material extraction port (1302) is connected to the negative pressure dust collector (15) via a dust suction pipe B (1303).

6. The dust-free feeding device for concrete production according to claim 1, characterized in that: The sides of the batching feed hopper A (1), the batching feed hopper B (2) and the batching feed hopper C (3) are independently provided with a feeding vibrator (4).

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