Pneumatic blowing and pressing belt conveyor

Abstract

The utility model relates to the technical field of metallurgical equipment, in particular to a pneumatic blowing and pressing belt conveyor. Comprising a belt used for conveying strip steel and further comprises a blowing and pressing assembly and a protection assembly, the blowing and pressing assembly comprises supports and at least one compressed air pipeline, the supports are arranged along the two sides of the belt, the compressed air pipelines are arranged on the supports, a plurality of nozzles are arranged on the compressed air pipelines, and the nozzles are arranged on the protection assembly. The nozzle is located over the belt, the spraying direction of the nozzle faces the belt, and the protection assembly is installed on the support and located between the belt and the nozzle. The blowing and pressing device is simple in structure and low in maintenance cost, the blowing and pressing assembly can blow and press strip steel to be tightly attached to the upper surface of an operation belt, the strip steel is prevented from flying up, the strip steel can be tightly attached to the belt to stably operate and does not deviate, the protection assembly can protect the nozzle and the strip steel, and the strip steel is prevented from flying up to impact the nozzle and damage the nozzle and the strip steel.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical equipment, in particular to a pneumatic blowing belt conveyor. Background Art

[0002] Belt conveyor is a kind of strip conveying equipment often used in the entrance and exit of cold-rolled strip processing lines. Its function is to convey the strip from the previous equipment to the next equipment. The strip moves forward with the belt on the upper surface of the belt. When the conveying distance is long and the conveying speed is high, the strip tends to float and deviate easily, and cannot be normally conveyed to the next equipment. For thinner strips, this phenomenon is more likely to occur, affecting the normal conveying of the strip. Therefore, a pneumatic blowing belt conveyor is urgently needed to solve the above problems. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a pneumatic blowing belt conveyor, including a belt for transmitting strip steel, and also including a blowing component and a protective component. The blowing component includes a bracket and at least one compressed air pipeline. The bracket is arranged along both sides of the belt, and the compressed air pipeline is arranged on the bracket. A plurality of nozzles are provided on the compressed air pipeline. The nozzles are located directly above the belt and the spraying direction is toward the belt. The protective component is installed on the bracket and is located between the belt and the nozzle.

[0004] Furthermore, the nozzle is movably arranged on the compressed air pipeline through a universal joint.

[0005] Furthermore, there are multiple compressed air pipelines, and the multiple compressed air pipelines span above the belt and are arranged in sequence along the conveying direction of the strip steel.

[0006] Furthermore, one end of the compressed air pipeline is sealed, and the other end is connected to an air pump, and a flow regulating valve is provided at the air inlet end of the compressed air pipeline.

[0007] Furthermore, the protection assembly includes a crossbeam and a protection tube, the crossbeam is arranged on the bracket, the protection tube is installed on the crossbeam through a connecting piece, the protection tube is parallel to the conveying direction of the strip steel, and the nozzle is located above the protection tube.

[0008] Furthermore, a guide portion is provided at one end of the protection tube close to the feeding end of the belt, and the distance between the guide portion and the belt gradually increases toward the feeding end.

[0009] Furthermore, the protection component also includes a lifting mechanism, the lifting mechanism is arranged on the bracket, and the crossbeam is connected to the output end of the lifting mechanism.

[0010] Furthermore, it also includes a frame, a driving roller, a driven roller and a driving motor, the driving roller and the driven roller are installed on the frame, the belt is tightly wrapped around the driving roller and the driven roller, the driving roller is connected to the driving motor, and the bracket is installed on the frame.

[0011] Furthermore, it also includes a tensioning assembly for adjusting the tension of the belt, and the tensioning assembly is arranged on the frame.

[0012] Furthermore, it also includes rollers, which are arranged below the frame to support the belt.

[0013] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0014] 1) The pneumatic blowing belt conveyor provided by the utility model has a simple structure and low maintenance cost. The blowing component can blow the steel strip tightly against the upper surface of the running belt to prevent the steel strip from floating up, so that the steel strip can run stably and closely on the belt without deviation. The protective component can protect the nozzle and the steel strip to prevent the steel strip from floating up and hitting the nozzle, thereby damaging the nozzle and the steel strip.

[0015] 2) The pneumatic blowing belt conveyor provided by the utility model has a nozzle that is rotatably connected to a compressed air pipeline, and the spray angle of the nozzle can be adjusted as needed to ensure the blowing effect.

[0016] 3) In the pneumatic blowing belt conveyor provided by the utility model, a guide portion is provided at the feed end of the protective pipe, which facilitates the strip steel to enter the conveying channel of the belt for transmission, thereby ensuring the strip steel conveying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 The utility model is a schematic diagram of the structure of the pneumatic blowing belt conveyor provided by the utility model.

[0019] 1-frame; 2-active roller; 3-driven roller; 4-driving motor; 5-belt; 6-support frame; 7-tensioning assembly; 8-support roller; 9-bracket; 10-compressed air pipeline; 11-nozzle; 12-crossbeam; 13-protective tube; 14-connector; 15-guide part. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0021] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0024] As the instruction manual Figure 1 As shown, the utility model provides a pneumatic blowing belt conveyor, including a belt 5 for transmitting strip steel, and also includes a blowing component and a protective component, the blowing component includes a bracket 9 and at least one compressed air pipeline 10, the bracket 9 is arranged along both sides of the belt 5, the compressed air pipeline 10 is arranged on the bracket 9, and a plurality of nozzles 11 are provided on the compressed air pipeline 10, the nozzle 11 is located directly above the belt 5 and the spraying direction is toward the belt 5, and the protective component is installed on the bracket 9 and is located between the belt 5 and the nozzle 11.

[0025] Specifically, the steel strip is placed on the belt 5 from the feeding end of the belt 5, and the steel strip is transmitted during the transportation of the belt 5. A nozzle 11 for spraying compressed air is arranged above the belt 5. When the steel strip is on the belt 5, the nozzle 11 sprays compressed air on the steel strip, so that the steel strip can be tightly attached to the belt 5, and move forward stably with the belt 5 without deviation. The steel strip is transported to the next equipment for the next process; a protective component is arranged between the belt 5 and the nozzle 11 to protect the nozzle 11 to prevent the steel strip from floating up and hitting the nozzle 11 due to a malfunction, thereby causing damage to the nozzle 11. While protecting the nozzle 11, it can also protect the steel strip to prevent the nozzle 11 from hitting the steel strip and causing damage to the surface of the steel strip.

[0026] An optimized implementation method is that the nozzle 11 is movably arranged on the compressed air pipe 10 through a universal joint; a plurality of nozzles 11 are arranged on the compressed air pipe 10, and the nozzle 11 is rotatably arranged on the compressed air pipe 10 through a universal joint, and the angle of the nozzle 11 can be adjusted to ensure that the compressed air is sprayed onto the surface of the running strip steel, and a plurality of nozzles 11 are arranged on the compressed air pipe 10 to ensure uniform blowing pressure on the surface of the strip steel.

[0027] In an optimized implementation mode, the bracket 9 is arranged along both sides of the belt 5, and the number of the compressed air pipes 10 is multiple. The multiple compressed air pipes 10 span over the belt 5 and are arranged in sequence along the conveying direction of the strip steel. The compressed air pipes 10 are evenly spaced above the belt 5, and each compressed air pipe 10 is provided with several nozzles 11, which can blow the compressed air evenly onto the strip steel, so that the strip steel is tightly attached to the belt 5 without deviation.

[0028] In an optimized implementation mode, one end of the compressed air pipe 10 is sealed, and the other end is connected to an air pump, and a flow regulating valve is provided at the air inlet end of the compressed air pipe 10; a cavity for compressed air circulation is provided in the compressed air pipe 10, and the nozzle 11 is connected to the compressed air pipe 10. When the air pump is turned on, the air pump can supply compressed air, and the compressed air is evenly sprayed onto the strip through the nozzle 11; a flow regulating valve is provided on the compressed air pipe 10, and the flow rate of the compressed air in the pipe can be adjusted as needed, thereby adjusting the compressed air injection pressure; preferably, the compressed air flow rate on each compressed air pipe 10 can be adjusted separately, so that the amount of compressed air on each compressed air pipe 10 can be controlled more accurately.

[0029] In an optimized implementation mode, the protection component includes a crossbeam 12 and a protection tube 13. Both ends of the crossbeam 12 are mounted on the bracket 9. The protection tube 13 is installed on the crossbeam 12 through a connector 14. The protection tube 12 is parallel to the conveying direction of the strip steel. The nozzle 11 is located above the protection tube 13.

[0030] In some embodiments, the protection tube 13 may also span over the belt 5 to ensure that the protection tube 13 is located below the nozzle 11 .

[0031] Preferably, in order to prevent the steel strip from floating up and hitting the protection tube 13, which may scratch the surface of the steel strip, the outer side of the protection tube 13 is coated with a buffer layer, which may be rubber, foam, plastic, etc., which can effectively protect the steel strip while protecting the nozzle 11.

[0032] In an optimized implementation manner, a guide portion 15 is provided at one end of the protective tube 13 close to the feed end of the belt 5, and the distance between the guide portion 15 and the belt 5 gradually increases toward the feed end; preferably, the guide portion 15 is bent upward toward the side of the feed end of the belt 5, which can play a certain guiding role for the strip steel entering the belt 5.

[0033] In an optimized implementation mode, the protection component further includes a lifting mechanism, which is disposed on a bracket 9, and the cross beam 12 is connected to an output end of the lifting mechanism. The lifting mechanism can adjust the height of the cross beam 12, and further adjust the height of the protection tube 13 to adapt to the use of different types of strip steel.

[0034] The optimized implementation mode also includes a frame 1, an active roller 2, a driven roller 3 and a driving motor 4, wherein the active roller 2 and the driven roller 3 are installed on the frame 1, the belt 5 is tightly wrapped around the active roller 2 and the driven roller 3, the active roller 2 is connected to the driving motor 4, and the bracket is installed on the frame 1; the output end of the driving motor 4 is connected to the gear of the active roller 2, and the driving motor 4 is used to drive the active roller 2 to rotate, and the driven roller 3 rotates together with it under the friction of the belt 5, and the strip steel moves forward with the belt 5 on the upper surface of the belt 5.

[0035] Preferably, a support frame 6 is further included, and the support frame 6 is arranged at the bottom of the frame 1 to support the frame 1.

[0036] The optimized implementation further includes a tensioning assembly 7 for adjusting the tension of the belt 5 , wherein the tensioning assembly 7 is disposed on the frame 1 , and the tensioning assembly 7 is disposed on a side of the frame 1 close to the driven roller 3 .

[0037] The tensioning assembly 7 is a conventional device on the belt conveyor. An adapted tensioning assembly 7 can be provided according to the length of the belt 5 . The structure of the tensioning assembly 7 will not be described in detail here.

[0038] The optimized implementation further includes rollers 8, which are arranged below the frame 1 to support the belt 5. The rollers 8 can support the belt 5 to prevent the belt 5 from hanging.

[0039] In summary, the utility model provides a pneumatic blowing belt conveyor, in which a blowing component is arranged above the belt 5. When the steel strip runs under the blowing component, the air pump is controlled to start and the flow rate is adjusted, and compressed air is sprayed from the nozzle 11 onto the surface of the steel strip, blowing the steel strip tightly against the upper surface of the running belt 5 without floating up, so that the steel strip can run stably and not deviate from the belt 5, and the protective tube 13 can effectively protect the nozzle 11 and the steel strip to prevent them from being damaged.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0041] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. A pneumatic blowing belt conveyor, comprising a belt for conveying strip steel, characterized in that: It also includes a blowing component and a protective component, the blowing component includes a bracket and at least one compressed air pipe, the bracket is arranged along both sides of the belt, the compressed air pipe is arranged on the bracket, and a plurality of nozzles are arranged on the compressed air pipe, the nozzles are located directly above the belt and the spraying direction is toward the belt, and the protective component is installed on the bracket and is located between the belt and the nozzle.

2. The pneumatic blowing belt conveyor according to claim 1, characterized in that: The nozzle is movably arranged on the compressed air pipeline through a universal joint.

3. The pneumatic blowing belt conveyor according to claim 1, characterized in that: There are multiple compressed air pipelines, and the multiple compressed air pipelines span above the belt and are arranged in sequence along the conveying direction of the strip steel.

4. The pneumatic blowing belt conveyor according to claim 1, characterized in that: One end of the compressed air pipeline is sealed, and the other end is connected to an air pump. A flow regulating valve is provided at the air inlet end of the compressed air pipeline.

5. The pneumatic blowing belt conveyor according to claim 1, characterized in that: The protection assembly includes a crossbeam and a protection tube. The crossbeam is arranged on the bracket. The protection tube is installed on the crossbeam through a connector. The protection tube is parallel to the conveying direction of the strip steel. The nozzle is located above the protection tube.

6. The pneumatic blowing belt conveyor according to claim 5, characterized in that: A guide portion is provided at one end of the protection tube close to the feeding end of the belt, and the distance between the guide portion and the belt gradually increases toward the feeding end.

7. The pneumatic blowing belt conveyor according to claim 5, characterized in that: The protection component also includes a lifting mechanism, which is arranged on a bracket, and the crossbeam is connected to an output end of the lifting mechanism.

8. The pneumatic blowing belt conveyor according to claim 1, characterized in that: It also includes a frame, a driving roller, a driven roller and a driving motor, wherein the driving roller and the driven roller are mounted on the frame, the belt is tightly wrapped around the driving roller and the driven roller, the driving roller is connected to the driving motor, and the bracket is mounted on the frame.

9. The pneumatic blowing belt conveyor according to claim 8, characterized in that: The utility model also comprises a tensioning assembly for adjusting the tension of the belt, wherein the tensioning assembly is arranged on the frame.

10. The pneumatic blowing belt conveyor according to claim 8, characterized in that: Also included are rollers, which are arranged below the frame to support the belt.

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