Novel hopper blockage detection device for belt conveyor

Abstract

The utility model belongs to the technical field of funnel blockage detection, and particularly relates to a novel funnel blockage detection device for a belt conveyor, which comprises a funnel main body and a belt conveying mechanism arranged on the funnel main body, the supports are welded to a steel frame of the funnel body and are symmetrically arranged, the steel pipe is arranged between the two supports, the rubber plate is arranged below the steel pipe, angle iron is fixedly installed on the surface of the steel pipe, and a travel switch is installed at the top of the funnel body through bolts. And by arranging the detection assembly, the detection accuracy and the low false alarm rate can be improved during material blockage, so that the problem that the blockage condition is complex and changeable is solved, the use effect of the device is improved, and the actual use requirement is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of funnel blockage detection, and particularly relates to a novel belt conveyor funnel blockage detection device. Background Technique

[0002] The belt conveyor, also known as the belt conveyor, is widely used in various industries such as household appliances, electronics, electrical appliances, machinery, tobacco, injection molding, post and telecommunications, printing, food, etc., for the assembly, detection, debugging, packaging and transportation of objects. During the transportation process, funnel blockage is likely to occur. In order to avoid and timely handle material blockage, it is necessary to detect the transported material in real time;

[0003] At present, there are generally several ways for traditional blockage limiters: one is to install an inclination switch at the bottom of the inclined chute above the belt. Its basic principle is that when a large amount of materials are blocked and accumulated, when the inclination angle of the vertically suspended inclination switch reaches more than 15° under the action of the materials, the internal contacts of the switch act to trigger an alarm. When the external force is withdrawn and the switch returns to the vertical position, the alarm is cancelled. The disadvantage is that when large pieces of materials fall from the inclined chute, it is easy to accidentally touch the vertically installed movable door and cause false alarms, and even the inclination switch may be damaged; the other is to install a rotary blockage switch at a certain distance from the belt inside the chute. When the materials accumulate and cover the blockage switch, the blockage switch is blocked by the materials and stops rotating, thereby triggering the limit. The disadvantage of this type of limit is that the blockage switch is easily damaged by the materials, resulting in false alarms and a high failure rate;

[0004] It has been found in actual use that due to the different fluidities of the materials, the blockage conditions of the materials in the funnel and the chute are complex and changeable. No matter how the installation position of the traditional blockage switch is changed, it is difficult to simultaneously achieve high accuracy and low false alarm rate, reducing the use effect of the device and making it difficult to meet the actual use requirements;

[0005] To solve the above problems, a novel belt conveyor funnel blockage detection device is proposed in this application. Content of the Utility Model

[0006] To solve the problems raised in the above background technique. The utility model provides a novel belt conveyor funnel blockage detection device, which has the characteristics of being able to improve the detection accuracy and low false alarm rate, thus solving the complex and changeable blockage conditions, improving the use effect of the device, and meeting the actual use requirements.

[0007] To achieve the above object, the present utility model provides the following technical solution: a novel belt conveyor funnel blockage detection device, including a funnel main body and a belt conveying mechanism installed on the funnel main body. A detection component is installed on the funnel main body. The detection component includes supports symmetrically arranged and welded on the steel frame of the funnel main body, a steel pipe arranged between two groups of the supports, and a rubber plate arranged below the steel pipe. An angle iron is fixedly installed on the surface of the steel pipe, and a travel switch is installed at the top of the funnel main body through bolts.

[0008] As a preferred embodiment of the novel belt conveyor funnel blockage detection device of the present utility model, the travel switch is installed in front of the funnel main body at the head of the belt conveyor. A connecting plate is fixed on the surface of the steel pipe, and the other side of the connecting plate is fixedly connected to the rubber plate.

[0009] As a preferred embodiment of the novel belt conveyor funnel blockage detection device of the present utility model, the angle iron corresponds to the travel switch.

[0010] As a preferred embodiment of the novel belt conveyor funnel blockage detection device of the present utility model, through holes are provided on the surface of the support. The steel pipe is located in the through holes and is rotatably connected to the support through bearings.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] By setting the detection component, during blockage, the detection accuracy can be improved and the false alarm rate can be reduced, thereby solving the complex and changeable blockage situation, improving the use effect of the device, and meeting the actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0014] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0015] Figure 2 is a schematic structural diagram of connecting parts such as the angle iron and the travel switch in the present utility model.

[0016] In the figure: 1, funnel main body; 2, belt conveying mechanism; 3, detection component; 301, steel pipe; 302, connecting plate; 303, rubber plate; 304, support; 305, angle iron; 306, travel switch. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Embodiment 1

[0019] As Figure 1 shown:

[0020] A new type of belt conveyor funnel blockage detection device includes a funnel main body 1 and a belt conveying mechanism 2 installed on the funnel main body 1.

[0021] In this implementation: To solve the technical problems existing in this prior art, as disclosed in the background art above, "It has been found in current actual use that due to the different fluidities of materials, the blockage of materials in the funnel and chute is complex and variable. No matter how the installation position of the traditional blockage switch is changed, it is difficult to simultaneously achieve high accuracy and low false alarm rate, reducing the use effect of the device and making it difficult to meet the actual use requirements." In combination, this problem is obviously a real and difficult problem to solve. In view of this, to solve this technical problem, a detection component 3 is added to this application document, and all the power equipment involved in this product is powered by an external power supply.

[0022] Furthermore:

[0023] As Figures 1 - 2 shown:

[0024] A detection component 3 is installed on the funnel main body 1. The detection component 3 includes supports 304 welded to the steel frame of the funnel main body 1 and arranged symmetrically, a steel pipe 301 arranged between the two groups of supports 304, and a rubber plate 303 arranged below the steel pipe 301. Angle irons 305 are fixedly installed on the surface of the steel pipe 301, and a travel switch 306 is installed on the top of the funnel main body 1 through bolts;

[0025] The travel switch 306 is installed in front of the funnel main body 1 at the head of the belt conveyor. A connecting plate 302 is fixed on the surface of the steel pipe 301, and the other side of the connecting plate 302 is fixedly connected to the rubber plate 303.

[0026] In this implementation: When the new belt conveyor funnel blockage detection device is in use, as the material is continuously conveyed into the funnel main body 1 through the belt conveying mechanism 2, since there is a certain distance between the lower edge of the rubber plate 303 and the material, the rubber plate 303 is in a natural hanging state. When a large material head hits the rubber plate 303, at this time, the rubber plate 303 drives the steel pipe 301 to rotate on the support 304 through the connecting plate 302, rotating by a certain angle. Since the direction of the material flow is from the outside to the inside of the funnel main body 1, the rubber plate 303 rotates clockwise with the steel pipe 301 as the center. While the steel pipe 301 rotates, it drives the angle iron 305 to rotate synchronously, causing the angle iron 305 to move away from the travel switch 306, so it will not touch the travel switch 306. Therefore, the failure rate during normal operation is very low. When the funnel main body 1 is blocked and overflows, the material emerges from the head funnel main body 1 and pushes the rubber plate 303 to flip counterclockwise by a certain angle. The angle iron 305 installed on the steel pipe 301 rotates accordingly and toggles the travel switch 306 to trigger the limit, causing the signal transmitted to the PLC to change, thereby triggering the belt conveying mechanism 2 to stop. Through this operation, during blockage, the detection accuracy can be improved and the false alarm rate can be reduced, thus improving the use effect of the device and meeting the actual use requirements.

[0027] It should be noted that: The travel switch 306 is a small-current master control electrical appliance, also known as a position switch. Its working principle is based on mechanical triggering. That is, when the mechanical equipment moves to a specific position, the striker of the travel switch 306 is pressed down by the angle iron 305, triggering the internal micro switch element, causing the contact to make or break, thereby controlling the on-off of the circuit.

[0028] Furthermore;

[0029] In an alternative embodiment, the angle iron 305 corresponds to the travel switch 306.

[0030] In this embodiment: The angle iron 305 and the travel switch 306 can touch the travel switch 306 more accurately, improving the detection accuracy.

[0031] Furthermore;

[0032] In an alternative embodiment, through holes are provided on the surface of the support 304. The steel pipe 301 is located in the through holes and is rotatably connected to the support 304 through bearings.

[0033] In this embodiment: The steel pipe 301 rotates on the support 304 through bearings, which can limit the position of the steel pipe 301, preventing the steel pipe 301 from driving the angle iron 305 to be misaligned with the travel switch 306 and affecting the detection effect.

[0034] Working principle and usage process of the present utility model: For this new belt conveyor funnel blockage detection device, during use, as the material is continuously conveyed into the funnel main body 1 through the belt conveying mechanism 2, since there is a certain distance between the lower edge of the rubber plate 303 and the material, the rubber plate 303 is in a natural hanging state. When a large material head hits the rubber plate 303, at this time, the rubber plate 303 drives the steel pipe 301 to rotate on the support 304 through the connecting plate 302, rotating by a certain angle. Since the direction of the material flow is from the outside to the inside of the funnel main body 1, the rubber plate 303 rotates clockwise with the steel pipe 301 as the center. While the steel pipe 301 rotates, it drives the angle iron 305 to rotate synchronously, causing the angle iron 305 to move away from the travel switch 306, so it will not touch the travel switch 306. Therefore, the failure rate during normal operation is very low. When the funnel main body 1 is blocked and overflows, the material emerges from the head funnel main body 1 and pushes the rubber plate 303 to flip counterclockwise by a certain angle. The angle iron 305 installed on the steel pipe 301 rotates accordingly and toggles the travel switch 306 to trigger the limit, changing the signal transmitted to the PLC, thereby triggering the belt conveying mechanism 2 to stop. Through this operation, during blockage, the detection accuracy can be improved and the false alarm rate can be reduced, thus improving the usage effect of the device and meeting the actual usage requirements.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A novel belt conveyor hopper blockage detection device, comprising a hopper body (1) and a belt conveying mechanism (2) mounted on the hopper body (1), characterized in that: The funnel body (1) is provided with a detection assembly (3), the detection assembly (3) comprising supports (304) welded to a steel frame of the funnel body (1) and arranged symmetrically, a steel pipe (301) arranged between two groups of the supports (304), and a rubber plate (303) arranged below the steel pipe (301), an angle iron (305) being fixedly mounted on the surface of the steel pipe (301), and a travel switch (306) being mounted on the top of the funnel body (1) by means of bolts.

2. A novel belt conveyor hopper blockage detection device according to claim 1, characterized in that: The travel switch (306) is installed in front of the belt conveyor head funnel body (1), and a connecting plate (302) is fixed on the surface of the steel pipe (301), and the other side of the connecting plate (302) is fixedly connected to the rubber plate (303).

3. A novel belt conveyor hopper blockage detection device according to claim 2, characterized in that: The angle iron (305) corresponds to the travel switch (306).

4. A novel belt conveyor hopper blocking detection device according to claim 3, characterized in that: A through hole is provided on the surface of the support (304), and the steel pipe (301) is located in the through hole and is rotatably connected to the support (304) via a bearing.

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