KR-20260066456-A - Conveyor belt scraper with improved assembly structure

KR20260066456AKR 20260066456 AKR20260066456 AKR 20260066456AKR-20260066456-A

Abstract

The present invention relates to a conveyor belt scraper with an improved assembly structure that allows a cleaning tip, which contacts the surface of a conveyor belt to scrape off foreign matter, to be easily and simply attached to a scraper body. The scraper comprises: a modular body; a tip plate insert groove provided in the modular body; a tip plate coupled to the tip plate insert groove and having a carbide tip on its upper portion for removing foreign matter attached to the conveyor belt; a fixing member that supports the tip plate to be fixed to the modular body; a fixing support hole provided inside the modular body to communicate with the tip plate insert groove; and a fixing member hole provided in the tip plate.

Inventors

이민철
이민석
송만호
박용세

Assignees

(주) 한국라바

Dates

Publication Date: 20260512
Application Date: 20241104

Claims (10)

Modular body; Tip plate insert groove provided in the above modular body; A tip plate coupled to the tip plate insert groove, having a carbide metal tip for removing foreign matter attached to a conveyor belt on the upper part; A fixing device that supports the tip plate so as to be fixed to the modular body; A fixed support hole provided inside the modular body to communicate with the tip plate insert groove; and A conveyor belt scraper with an improved assembly structure, comprising a fixing hole provided in the tip plate.
In paragraph 1, A conveyor belt scraper with an improved assembly structure, further comprising a body support that supports the modular body so that the above-mentioned carbide tip is in close contact with the conveyor belt.
In paragraph 2, A conveyor belt scraper with an improved assembly structure, further comprising: a scraper adjustment unit that, when the coupling of the modular body to the body support is recognized, moves the body support in an up-down or left-right direction to adjust the carbide tip so that it adheres to the conveyor belt.
In paragraph 3, The above modular body is, A conveyor belt scraper with an improved assembly structure, wherein a plurality of tips are installed on the body support at right angles to each other, and the shape or material of each of the carbide tips installed thereon is manufactured to be different from each other.
In paragraph 1, The above modular body is, First body; A second body spaced apart from one side of the first body; A gap adjustment cylinder installed between the first body and the second body to interconnect the first body and the second body, and simultaneously adjusts the gap between the first body and the second body as it is driven to extend or contract; and A conveyor belt scraper with an improved assembly structure, comprising: a width adjustment unit that checks the width of the conveyor belt and requests the driving of the extension or contraction of the gap adjustment cylinder in correspondence with the width of the conveyor belt so that the left and right lengths of the first body and the second body can cover the entire conveyor belt.
In paragraph 1, It further includes a water spraying unit that sprays water onto foreign substances attached to the conveyor belt to improve the performance of removing foreign substances by the carbide metal tip; The above water spray unit is, A mounting frame extending horizontally to the left and right while facing the conveyor belt, with at least one of the front or rear sides formed as an inclined surface facing the conveyor belt; and A conveyor belt scraper with an improved assembly structure, comprising: a plurality of spray nozzles installed at regular intervals along the inclined surface of the mounting frame and spraying water in the direction of the conveyor belt.
In paragraph 6, The above injection nozzle is, A block installation groove formed on the inclined surface of the mounting frame above; A support shaft that is installed upright on the bottom surface of the above-mentioned block installation groove and receives water; A rotating block formed in a cylindrical shape corresponding to the shape of the block installation groove, connected and installed to be rotatable in the block installation groove with the support shaft as the rotation axis, and having a shear surface exposed from the block installation groove formed in a flat shape; A nozzle that is rotatably connected and installed at the top of the support shaft and simultaneously engaged and connected to the rotating block, rotating together as the rotating block rotates, and receiving and spraying water supplied to the support shaft; A spray groove formed in a conical shape that is open from the nozzle to the front of the rotating block so that water sprayed through the nozzle can be discharged, and in which the inner diameter gradually decreases from the inlet to the inner side where the nozzle is installed; A block driving unit that repeatedly reciprocates the above-mentioned rotating block in the left and right directions, thereby causing the direction of the sprayed water to also reciprocate in the left and right directions; and A conveyor belt scraper with an improved assembly structure, comprising: a variable injection passage section installed along the injection groove to form a passage for water to be sprayed through the nozzle.
In Paragraph 7, The above block driving unit is, A support projection installed at the rear end of the rotating block positioned inside the block installation groove; A projection movement groove formed extending in the left and right directions along the inner side of the block installation groove so that the support projection can move; A rotor connected and installed so as to enable rotational driving, spaced rearward from the rotation block so that the support projection is positioned within the range of the rotation radius, and which repeatedly pushes and moves the support projection in one direction or the other as it is rotated; At least one first magnetic body installed along the circumference of the above-mentioned rotating block; and A conveyor belt scraper with an improved assembly structure, comprising: at least one second magnetic body that forms opposite polarity to the first magnetic body and is installed on one side of the block installation groove where the first magnetic body is positioned, thereby securing the first magnetic body and, when the rotating block is rotated by the rotor, uses magnetism to pull the first magnetic body so that the rotating block returns to its original position.
In paragraph 8, The above variable injection passage is, A rectangular frame positioned in front of the above injection groove; Two frame support cylinders are spaced apart and installed at the front end of the rotating block with the injection groove in between to support the square frame, and are driven to extend or retract to move the square frame away from or closer to the rotating block; A circular ring frame formed in a circular ring shape and positioned inside the square frame; Four frame support springs installed on the inner sides of each of the four sides of the square frame to support the four sides of the circular ring frame; A variable tube formed in the shape of a circular ring and installed along the inner surface of the circular ring frame, which expands inwardly into the circular ring frame as fluid is supplied and contracts inwardly toward the inner surface of the circular ring frame as the supplied fluid is discharged; A passage cover made of an elastic thin film material capable of expansion and contraction, formed in a cylindrical pipe shape, wherein the front end is installed along the inner surface of the variable tube and the rear end is installed surrounding the discharge port of the nozzle to form a passage for water sprayed through the nozzle, wherein the front discharge port contracts as the variable tube expands and the front discharge port expands as the variable tube contracts again; A first frame adjustment block connected to one side of the upper inner side of the square frame to enable rotational driving at the corner, seated on one side of the upper upper side of the circular ring frame, and moving the circular ring frame downward as it rotates; and A conveyor belt scraper with an improved assembly structure, comprising: a second frame adjustment block that is connected and installed to the upper side of the inner side of the square frame opposite to the first frame adjustment block, so as to enable rotational driving at the corner, and is seated on the upper side of the circular ring frame, and moves the circular ring frame downward as it rotates.
In Paragraph 9, The above circular ring frame is, When the first frame adjustment block and the second frame adjustment block rotate simultaneously, it moves in a downward vertical direction; when only the first frame adjustment block rotates, it moves horizontally in the other direction; and when only the second frame adjustment block rotates, it moves horizontally in one direction. The above-mentioned first frame adjustment block is, A conveyor belt scraper with an improved assembly structure, wherein the end portion is connected and installed to allow sliding movement in a first block seating groove formed extending along one side of the upper portion of the circular ring frame, and moves the circular ring frame while sliding along the first block seating groove as it is driven to rotate.

Description

Conveyor belt scraper with improved assembly structure The embodiments relate to a conveyor belt scraper with an improved assembly structure, and more specifically, to a conveyor belt scraper with an improved assembly structure that allows a cleaning tip, which contacts the surface of a conveyor belt to scrape off foreign matter, to be easily and simply attached to the scraper body. Generally, devices that crush aggregates and sort them into appropriate sizes are equipped with conveyor belts to transport the aggregates, thereby transferring them to the next process or a designated location. Furthermore, conveyor belts are frequently used not only in the aforementioned aggregate sorting device but also for conveying goods such as raw materials and supplies. The conveyor for the aggregate, raw materials, and other materials mentioned above typically has a configuration comprising a conveyor belt, a head drum that transmits driving force to the conveyor belt, and a driving means that rotates the head drum. In this case, the conveyor belt is driven in an endless track manner by the rotating head drum to transport the goods placed thereon. As various foreign substances adhere to the surface of the conveyor belt depending on the transported material, a scraper is installed and used on the side of the conveyor belt to remove them. In this case, a conveyor belt scraper with an improved assembly structure typically comprises a cleaning tip that adheres to the belt surface to remove foreign substances and a support body that supports the cleaning tip. The scraper with the above configuration removes foreign substances adhering to the conveyor belt surface by scraping them off as the conveyor belt rotates (endless track rotation) while the tip of the cleaning tip is in contact with the conveyor belt surface. Meanwhile, to increase the efficiency of removing foreign substances from the conveyor belt surface and reduce the impact on lifespan due to wear, the cleaning tip is often made of a carbide material (e.g., carbide metal). In this case, the scraper is configured such that a cleaning tip made of carbide metal is embedded in a scraper body made of rubber, and the upper end of the carbide metal cleaning tip contacts the conveyor belt surface to scrape off and remove foreign substances such as rubble from the conveyor belt surface. Meanwhile, the scraper body is configured to have a metal tip plate embedded therein. However, conventionally, when molding a rubber scraper body, a metal tip plate is embedded together. During the molding process, high-temperature liquid rubber is injected into the mold cavity to surround the metal tip plate and then cured. As the high-temperature liquid rubber cools and hardens, deformation occurs due to the difference in thermal shrinkage and expansion coefficients between the metal tip plate/carbide tip and the rubber scraper body, resulting in a gap forming between the carbide tip and the rubber scraper body. This leads to a deterioration in the quality of the scraper, and furthermore, foreign substances such as rubble enter through this gap, causing damage such as scratches on the surface of the conveyor belt or tearing of the conveyor belt. In addition, there is also the problem of a complex manufacturing process required to embed a metal tip plate and a carbide tip into the scraper body. Meanwhile, the aforementioned background technology is technical information that the inventor possessed for the derivation of the present invention or acquired during the process of deriving the present invention, and it cannot necessarily be considered publicly known technology disclosed to the general public prior to the filing of the present invention. FIGS. 1 and FIGS. 2 are drawings showing a conveyor belt scraper with an improved assembly structure according to an embodiment of the present specification. FIG. 3 is a drawing showing an installation example of a conveyor belt scraper with an improved assembly structure according to an embodiment of FIG. 1 of the present specification. FIG. 4 is a drawing showing a conveyor belt scraper with an improved assembly structure according to another embodiment of the present specification. Figure 5 is a drawing showing one embodiment of the body support of Figure 4. FIG. 6 is a drawing showing one embodiment of the modular body of FIG. 1. FIG. 7 is a drawing showing a conveyor belt scraper with an improved assembly structure according to another embodiment of the present specification. Figure 8 is a drawing showing the injection nozzle of Figure 7. Figure 9 is a drawing showing the injection nozzle of Figure 8. Figure 10 is a drawing showing the block drive unit of Figure 9. FIGS. 11 to 14 are drawings showing the variable injection passage section of FIG. 10. In describing the embodiments of this specification, if it is determined that a detailed description of known configurations or functions could obscure the essence of the embodiments of this spec