阅读说明：本技术 一种用于钢轨切割的树脂砂轮组及其使用方法 (Resin grinding wheel set for steel rail cutting and using method thereof ) 是由 许涛 韦球 李凯 翁朝阳 于 2021-10-23 设计创作，主要内容包括：本发明属于砂轮技术领域,尤其是一种用于钢轨切割的树脂砂轮组及其使用方法,包括呈对称分布的砂轮组,所述砂轮组的轴心处设有可活动调节其夹角的三角支架；所述三角支架的顶部设有驱动源；所述三角支架的内部设有动力传输机构,所述动力传输机构将驱动源传送驱动所述砂轮组实现相向转动切割其底部的钢轨。本发明通过设置砂轮组来从钢轨的两侧同时切割,以此来获得双倍的切割效率,再通过激光测距传感器来自动调节树脂砂轮组之间的间距,防止发生干扰切割的问题,最后在砂轮的顶部设置冷却机构,以此来对砂轮的切割表面实现制冷式的散热,从而增加砂轮的切割时间,无需频繁的启停砂轮组,增加切割的精准度。(The invention belongs to the technical field of grinding wheels, and particularly relates to a resin grinding wheel set for steel rail cutting and a using method thereof, wherein the resin grinding wheel set comprises grinding wheel sets which are symmetrically distributed, and a triangular bracket capable of movably adjusting an included angle of the grinding wheel sets is arranged at the axis of each grinding wheel set; the top of the triangular support is provided with a driving source; and a power transmission mechanism is arranged in the triangular support and transmits a driving source to drive the grinding wheel set to rotate oppositely to cut the steel rail at the bottom of the grinding wheel set. According to the invention, the grinding wheel sets are arranged to simultaneously cut from two sides of the steel rail, so that double cutting efficiency is obtained, the distance between the resin grinding wheel sets is automatically adjusted through the laser distance sensor, the problem of cutting interference is prevented, and finally, the cooling mechanism is arranged at the top of the grinding wheel, so that cooling type heat dissipation is realized on the cutting surface of the grinding wheel, so that the cutting time of the grinding wheel is prolonged, the grinding wheel sets do not need to be frequently started and stopped, and the cutting accuracy is improved.)

1. The utility model provides a resin sand wheelset for rail cutting, is including being sand wheelset (1) of symmetric distribution, its characterized in that: a triangular bracket capable of movably adjusting the included angle is arranged at the axis of the grinding wheel set (1);

the top of the triangular support is provided with a driving source;

a power transmission mechanism is arranged in the triangular support, and transmits a driving source to drive the grinding wheel set (1) to realize opposite rotation and cut the steel rail at the bottom of the grinding wheel set;

and a cooling mechanism for rotating, cutting and cooling the grinding wheel set (1) is arranged at the top of the grinding wheel set.

2. The resin grinding wheel set for cutting the steel rail according to claim 1, wherein: the triangular support is composed of two fixed sleeves (2) which are symmetrically distributed and a hydraulic cylinder (21) which is hinged to the bottom of the fixed sleeves, and the hydraulic cylinder (21) linearly stretches and contracts to adjust the included angle of the hinged position of the top of each fixed sleeve (2).

3. The resin grinding wheel set for cutting the steel rail according to claim 2, wherein: the power transmission mechanism comprises transmission pipes (3) arranged at three corners of the triangular support, the transmission pipe (3) positioned at the top of the triangular support consists of four sections of connecting pipes (31) which can rotate mutually, and the outer surfaces of the connecting pipes (31) positioned at the head and the tail are fixedly connected into a whole through arc-shaped plates (32);

the driving source is composed of a servo motor (4), and the servo motor (4) is fixedly installed on the inner wall of the connecting pipe (31) at the tail part.

4. The resin grinding wheel set for cutting the steel rail according to claim 3, wherein: four section realize rotating the connection through the moving part between connecting pipe (31), the moving part is including seting up worker's type groove (33) at its terminal surface, the inner wall slip of worker's type groove (33) has cup jointed ball (34).

5. The resin grinding wheel set for cutting the steel rail according to claim 3, wherein: an output shaft of the servo motor (4) is fixedly connected with a rotating shaft (35) movably connected with the connecting pipe (31) at the tail part through a coupler, and driving bevel gears (36) which are distributed in mirror symmetry are fixedly sleeved on the surface of the rotating shaft (35);

the top of two fixed sleeve (2) is respectively with middle two the inner wall of connecting pipe (31) is fixed the intercommunication, the inner wall of fixed sleeve (2) has transmission shaft (37) that extend to transmission pipe (3) are inside through bearing fixed mounting, transmission bevel gear (38) have all been fixed to have cup jointed at the both ends of transmission shaft (37), lie in the top transmission bevel gear (38) with realize two after initiative bevel gear (36) meshing transmission shaft (37) rotate in opposite directions.

6. A resin grinding wheel set for cutting steel rails according to claim 5, characterized in that: two fixed sleeves (2) at the bottom of the triangular support are fixedly installed with an axis driving shaft of the resin sand wheel set (1) through bearings respectively, a driven bevel gear (39) is fixedly sleeved on the outer surface of the axis driving shaft of the resin sand wheel set (1), and the surface of the driven bevel gear (39) is meshed with the surface of the transmission bevel gear (38) and then drives the resin sand wheel set (1) to realize rotary cutting.

7. The resin grinding wheel set for cutting the steel rail according to claim 2, wherein: the cooling mechanism comprises a hollow arc-shaped pipe (5) which is positioned at the top of the resin sand wheel set (1), and the arc-shaped pipe (5) is fixedly connected with the surface of the triangular support through a connecting rod;

the inner side surface of the middle part of the arc-shaped pipe (5) close to the resin grinding wheel is fixedly provided with a laser ranging sensor (51) used for detecting the diameter of the grinding wheel in the resin grinding wheel set (1), and the laser ranging sensor (51) is electrically connected with the hydraulic cylinder (21) through a single chip microcomputer.

8. The resin grinding wheel set for cutting the steel rail according to claim 7, wherein: the inner surface of the bottom of the arc-shaped pipe (5) is fixedly communicated with a water-cooling pipe (52), the surface of the water-cooling pipe (52) is I-shaped, and the I-shaped water-cooling pipe is sleeved at a position of one millimeter to three millimeters on the outer surface of the grinding wheel.

9. The resin grinding wheel set for cutting the steel rail according to claim 8, wherein: one end, close to the surface of the grinding wheel, of the water-cooling pipe (52) is fixedly provided with a semiconductor refrigerating sheet (53), the heating end of the semiconductor refrigerating sheet (53) is located inside the water-cooling pipe (52) after being sleeved with a waterproof film on the outer surface of the semiconductor refrigerating sheet, and the refrigerating end of the semiconductor refrigerating sheet extends to the end face of the water-cooling pipe (52) to refrigerate the outer surface of the grinding wheel.

10. The use method of the resin grinding wheel set for steel rail cutting according to any one of claims 1 to 9, comprises the following steps:

firstly, cutting, namely placing a steel rail right below a resin grinding wheel, starting a servo motor (4), wherein the servo motor (4) drives a driving bevel gear (36) on the surface of a rotating shaft (35) to rotate so as to drive transmission bevel gears (38) at two ends of a transmission shaft (37) to rotate, and then the transmission bevel gears (38) are meshed with driven bevel gears (39) to drive resin grinding wheel sets (1) to rotate oppositely to realize the cutting action on the steel rail;

step two, ranging, namely simultaneously starting a laser ranging sensor (51) to detect and sense the diameter of each grinding wheel in the resin grinding wheel set (1), reducing the diameter when the grinding wheels are cut, detecting the diameter by the laser ranging sensor (51), controlling a hydraulic cylinder (21) to start and contract after the diameter is processed by a single chip microcomputer, and driving the resin grinding wheel set (1) to feed to a middle cutter supplement and then continuously cut the steel rail;

and step three, cooling, namely starting the semiconductor refrigerating sheet (53), refrigerating air around the end face of the water-cooling pipe (52) close to the grinding wheel, refrigerating and radiating the cutting surface of the grinding wheel through the surface of the water-cooling pipe (52), and conducting heat conduction on water in the water-cooling pipe (52) through the heating end of the semiconductor refrigerating sheet (53).

Technical Field

The invention relates to the technical field of resin grinding wheels, in particular to a resin grinding wheel set for steel rail cutting and a using method thereof.

Background

The resin grinding wheel is a grinding wheel made of resin, has high strength, and is applied to cutting pieces, double end faces, heavy-load grinding wheels, polishing wheels and the like. The material has the characteristics of certain elasticity, low heat resistance, good self-sharpening property, simple and convenient manufacture and short process period; the method is widely used for rough grinding, cutting off and free grinding, such as steel ingot grinding, casting deburring and the like.

When the resin grinding wheel is used for cutting the steel rail, the internal heat is low, the cutting time is short, and the heat is easy to generate; and the steel rail is relative to other metals, and not only thickness needs to be thick, and hardness is also much higher, if the cutting of opening the resin grinding wheel that stops frequently, not only cutting efficiency is low, and need rectify the position again when cutting again, and cutting accuracy is low.

Disclosure of Invention

Based on the technical problems that the efficiency and the cutting precision of the conventional resin grinding wheel are low when the conventional resin grinding wheel is used for cutting the steel rail, the invention provides a resin grinding wheel set for cutting the steel rail and a using method thereof.

The invention provides a resin sand wheel set for steel rail cutting and a using method thereof, wherein the resin sand wheel set comprises sand wheel sets which are symmetrically distributed, and a triangular bracket capable of movably adjusting an included angle of the triangular bracket is arranged at the axis of each sand wheel set;

the top of the triangular support is provided with a driving source;

a power transmission mechanism is arranged in the triangular support, and transmits a driving source to drive the grinding wheel set to rotate oppositely to cut the steel rail at the bottom of the grinding wheel set;

and a cooling mechanism for rotating, cutting and cooling the grinding wheel set is arranged at the top of the grinding wheel set.

Preferably, the triangular support is composed of two symmetrically distributed fixed sleeves and a hydraulic cylinder hinged to the bottom of the fixed sleeves, and the hydraulic cylinder is linearly telescopic and then adjusts the included angle of the hinged position of the tops of the two fixed sleeves.

Through above-mentioned technical scheme, utilize triangle-shaped to have the characteristics of very strong steadiness ability to come the installation resin sand wheelset.

Preferably, the power transmission mechanism comprises transmission pipes arranged at three corners of the triangular support, the transmission pipe positioned at the top of the triangular support consists of four sections of connecting pipes which can rotate mutually, and the outer surfaces of the connecting pipes positioned at the head and the tail are fixedly connected into a whole through arc-shaped plates;

the driving source consists of a servo motor, and the servo motor is fixedly arranged on the inner wall of the connecting pipe at the tail part.

Through above-mentioned technical scheme, need realize pivoted effect when can cooperate its bottom pneumatic cylinder to play the regulation.

Preferably, the four sections realize rotating the connection through the moving part between the connecting pipe, the moving part is including seting up the worker's type groove at its terminal surface, the inner wall in worker's type groove slides and cup joints the ball.

Through the technical scheme, the connecting pipes can be conveniently rotated.

Preferably, an output shaft of the servo motor is fixedly connected with a rotating shaft movably connected with the connecting pipe at the tail part through a coupler, and driving bevel gears which are distributed in mirror symmetry are fixedly sleeved on the surface of the rotating shaft;

the top of the two fixed sleeves is fixedly communicated with the middle two sections of the inner wall of the connecting pipe respectively, the inner walls of the fixed sleeves are fixedly provided with transmission shafts extending to the inside of the transmission pipe through bearings, two ends of each transmission shaft are fixedly sleeved with transmission bevel gears, and the transmission bevel gears positioned at the tops are meshed with the driving bevel gears to realize the opposite rotation of the transmission shafts.

Through the technical scheme, the power of the servo motor can be converted into two power sources which rotate in opposite directions.

Preferably, the two fixing sleeves at the bottom of the triangular support are respectively and fixedly installed with an axis driving shaft of the resin grinding wheel set through bearings, a driven bevel gear is fixedly sleeved on the outer surface of the axis driving shaft of the resin grinding wheel set, and the surface of the driven bevel gear is meshed with the surface of the transmission bevel gear to drive the resin grinding wheel set to realize rotary cutting.

Through the technical scheme, the two power sources which rotate in opposite directions drive the resin grinding wheel to rotate and cut simultaneously through the driven bevel gear.

Preferably, the cooling mechanism comprises a hollow arc-shaped pipe which is positioned at the top of the resin grinding wheel set, and the arc-shaped pipe is fixedly connected with the surface of the triangular support through a connecting rod;

the inner side surface of the middle part of the arc-shaped pipe close to the resin grinding wheel is fixedly provided with a laser ranging sensor for detecting the diameter of the grinding wheel in the resin grinding wheel group, and the laser ranging sensor is electrically connected with the hydraulic cylinder through a single chip microcomputer.

Through the technical scheme, the diameter of the grinding wheel is detected and sensed in real time by using the high-precision laser ranging sensor, so that the distance between the two grinding wheels can be automatically adjusted in time according to data, and the problem of low cutting precision caused by the loss of the grinding wheels is prevented.

Preferably, the inner surface of the bottom of the arc-shaped tube is fixedly communicated with a water-cooling tube, the surface of the water-cooling tube is in an I shape, and the I shape is sleeved at a position of one millimeter to three millimeters on the outer surface of the grinding wheel.

Through the technical scheme, the grinding wheel can be distributed on the two side faces and the outer surface of the grinding wheel at a better distance, and the problem that the grinding wheel cuts the water-cooling pipe is avoided.

Preferably, a semiconductor refrigeration piece is fixedly mounted at one end of the water-cooled tube close to the surface of the grinding wheel, a heating end of the semiconductor refrigeration piece is positioned inside the water-cooled tube after being sleeved with a waterproof film on the outer surface of the semiconductor refrigeration piece, and a refrigeration end of the semiconductor refrigeration piece extends to the end face of the water-cooled tube to realize refrigeration of the outer surface of the grinding wheel.

Through above-mentioned technical scheme, utilize the semiconductor refrigeration piece to refrigerate the peripheral air of emery wheel surface, its heat can be cooled by cold air rapidly when being convenient for the emery wheel to pass through.

A use method of a resin sand wheel set for steel rail cutting comprises the following steps:

firstly, cutting, namely, placing a steel rail right below a resin grinding wheel, starting a servo motor, driving a driving bevel gear on the surface of a rotating shaft to rotate by the servo motor, further driving transmission bevel gears at two ends of a transmission shaft to rotate, and driving a resin grinding wheel group to rotate oppositely after the transmission bevel gears are meshed with a driven bevel gear so as to realize the cutting action of the steel rail;

step two, ranging, namely simultaneously starting a laser ranging sensor to detect the diameter of each grinding wheel in the resin sand wheel set, reducing the diameter when the grinding wheels are cut, detecting the diameter by the laser ranging sensor, then controlling a hydraulic cylinder to start and contract after being processed by a single chip microcomputer, and driving the resin sand wheel set to feed to a middle cutter supplement to continuously cut the steel rail;

and step three, cooling, namely starting the semiconductor refrigerating sheet, refrigerating air around the end face of the water-cooling pipe close to the grinding wheel, refrigerating and radiating the cutting surface of the grinding wheel through the surface of the water-cooling pipe, and conducting heat conduction on water in the water-cooling pipe through the heating end of the semiconductor refrigerating sheet.

The beneficial effects of the invention are as follows:

according to the invention, the grinding wheel sets are arranged to simultaneously cut from two sides of the steel rail, so that double cutting efficiency is obtained, the distance between the resin grinding wheel sets is automatically adjusted through the laser distance sensor, the problem of cutting interference is prevented, and finally, the cooling mechanism is arranged at the top of the grinding wheel, so that cooling type heat dissipation is realized on the cutting surface of the grinding wheel, so that the cutting time of the grinding wheel is prolonged, the grinding wheel sets do not need to be frequently started and stopped, and the cutting accuracy is improved.

Drawings

FIG. 1 is a schematic view of a resin grinding wheel set for rail cutting and a method for using the resin grinding wheel set;

FIG. 2 is a perspective view of a grinding wheel set structure of a resin grinding wheel set for rail cutting and a method for using the resin grinding wheel set;

FIG. 3 is a perspective view of a connecting pipe structure of a resin grinding wheel set for rail cutting and a method for using the resin grinding wheel set;

FIG. 4 is an installation perspective view of an arc-shaped pipe structure of a resin grinding wheel set for rail cutting and a method for using the resin grinding wheel set;

fig. 5 is a perspective view of a water-cooling tube structure of a resin sand wheel set for rail cutting and a method for using the same according to the present invention.

In the figure: 1. a grinding wheel set; 2. fixing the sleeve; 21. a hydraulic cylinder; 3. a drive tube; 31. a connecting pipe; 32. an arc-shaped plate; 33. a tool-shaped groove; 34. a ball bearing; 35. a rotating shaft; 36. a drive bevel gear; 37. a drive shaft; 38. a drive bevel gear; 39. a driven bevel gear; 4. a servo motor; 5. an arc tube; 51. a laser ranging sensor; 52. a water-cooled tube; 53. semiconductor refrigeration piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a resin sand wheel set for rail cutting and a method for using the same;

in order to realize the synchronous installation of the grinding wheel set, the grinding wheel set comprises grinding wheel sets 1 which are symmetrically distributed, and a triangular bracket capable of movably adjusting the included angle of the grinding wheel sets is arranged at the axis of each grinding wheel set 1;

further, the A-frame comprises two fixed sleeves 2 which are symmetrically distributed and a hydraulic cylinder 21 which is hinged to the bottom of the fixed sleeves, the hydraulic cylinder 21 linearly stretches and retracts to adjust two included angles at the hinged positions of the tops of the fixed sleeves 2, the grinding wheel set is installed at two ends of the bottom of the A-frame, control can be facilitated, the problem that the cutting depth of a grinding wheel is insufficient due to the fact that a power source is directly installed at the tail of the grinding wheel can be prevented, and the installation position of the hydraulic cylinder 21 can also be hinged to two sides of the A-frame.

Through this embodiment, utilize triangle-shaped to have the characteristics of very strong steadiness ability to come the installation resin sand wheelset.

The top of A-frame is equipped with the driving source, the driving source has servo motor 4 to constitute, and servo motor 4's controllability is better.

In order to synchronously transmit the power of the driving source, a power transmission mechanism is arranged inside the triangular bracket, and the power transmission mechanism transmits the driving source to drive the grinding wheel set 1 to realize opposite rotation and cut the steel rail at the bottom of the grinding wheel set;

furthermore, the power transmission mechanism comprises transmission pipes 3 arranged at three corners of the triangular support, the transmission pipe 3 positioned at the top of the triangular support consists of four sections of connecting pipes 31 which can rotate mutually, the outer surfaces of the connecting pipes 31 positioned at the head and the tail are fixedly connected into a whole through arc plates 32, and the four sections of connecting pipes 31 are connected end to end through the arc plates 32 to form a movable whole, so that the movable whole can be formed without obstructing the mutual rotating action;

the servo motor 4 is fixedly installed on the inner wall of the connecting pipe 31 at the tail part.

Through this embodiment, can cooperate its bottom pneumatic cylinder 21 to play the effect that needs to realize the rotation when adjusting.

Further, four section realize rotating the connection through the moving part between the connecting pipe 31, the moving part is including seting up the worker's type groove 33 at its terminal surface, the ball 34 has been cup jointed in the inner wall slip of worker's type groove 33, and worker's type groove 33 cooperation ball 34 can enough make things convenient for the connection between four sections connecting pipes 31, can prevent again that it from appearing radial displacement each other and causing the problem of decentraction to take place.

With this embodiment, rotation between the respective connecting 31 tubes can be facilitated.

Further, an output shaft of the servo motor 4 is fixedly connected with a rotating shaft 35 movably connected with the connecting pipe 31 at the tail part through a coupler, and a driving bevel gear 36 which is in mirror symmetry distribution is fixedly sleeved on the surface of the rotating shaft 35;

two fixed sleeving 2's top is two with middle two respectively the fixed intercommunication of inner wall of connecting pipe 31, fixed sleeving 2's inner wall has through bearing fixed mounting to extend to the inside transmission shaft 37 of transmission pipe 3, the both ends of transmission shaft 37 are all fixed the cover and are connect transmission bevel gear 38, are located the top transmission bevel gear 38 with realize two after the meshing of drive bevel gear 36 transmission shaft 37 rotates in opposite directions, utilizes transmission steadiness and the high efficiency between the gear to realize power transmission, compares ordinary wheel belt drive, and gear drive can not appear skidding and cause two emery wheel cutting speed asynchronous problem.

By the embodiment, the power of the servo motor 4 can be converted into two power sources rotating in opposite directions.

Furthermore, two fixing sleeves 2 at the bottom of the triangular support are respectively and fixedly installed with an axis driving shaft of the resin sand wheel set 1 through bearings, a driven bevel gear 39 is fixedly sleeved on the outer surface of the axis driving shaft of the resin sand wheel set 1, the surface of the driven bevel gear 39 is meshed with the surface of the transmission bevel gear 38 to drive the resin sand wheel set 1 to realize rotary cutting, and power transmission action of angles is realized by utilizing the characteristic that the bevel gear can realize turning transmission of power.

With the present embodiment, the two power sources rotating in opposite directions drive the resin grindstone to simultaneously rotate for cutting by the driven bevel gear 39.

In order to realize refrigeration type heat dissipation for the grinding wheel set 1, a cooling mechanism for rotating, cutting and cooling the grinding wheel set 1 is arranged at the top of the grinding wheel set 1.

Further, the cooling mechanism comprises a hollow arc-shaped pipe 5 which is positioned at the top of the resin sand wheel set 1, and the arc-shaped pipe 5 is fixedly connected with the surface of the triangular support through a connecting rod;

the inner side surface of the middle part of the arc-shaped pipe 5 close to the resin grinding wheel is fixedly provided with a laser ranging sensor 51 for detecting the diameter of the grinding wheel in the resin grinding wheel set 1, and the laser ranging sensor 51 is electrically connected with the hydraulic cylinder 21 through a single chip microcomputer.

Through this embodiment, utilize high accuracy laser rangefinder sensor 51 to detect the sensing in real time to the diameter of emery wheel to this can be in time automatic adjustment according to data and the interval between two emery wheels, prevents to cause the not high problem of cutting accuracy to take place because of the loss of emery wheel.

Further, the inner surface of the bottom of the arc-shaped tube 5 is fixedly communicated with a water-cooling tube 52, the surface of the water-cooling tube 52 is in an I shape, and the I shape is sleeved at a position of one millimeter to three millimeters on the outer surface of the grinding wheel.

Through this embodiment, can distribute in both sides face and the surface of emery wheel with the preferred distance, avoid the emery wheel to the problem of water-cooling tube 52 cutting.

Furthermore, a semiconductor refrigeration sheet 53 is fixedly installed at one end of the water-cooling tube 52 close to the surface of the grinding wheel, the heating end of the semiconductor refrigeration sheet 53 is positioned inside the water-cooling tube 52 after being sleeved with a waterproof film on the outer surface of the semiconductor refrigeration sheet 53, the waterproof film can prevent the water in the water-cooling tube 52 from contacting the semiconductor refrigeration sheet 53 to cause short circuit, and the refrigeration end of the waterproof film extends to the end surface of the water-cooling tube 52 to refrigerate the outer surface of the grinding wheel.

Through this embodiment, utilize semiconductor refrigeration piece 53 to refrigerate the peripheral air of emery wheel surface, its heat can be cooled by cold air rapidly when being convenient for the emery wheel to pass through.

A use method of a resin sand wheel set for steel rail cutting comprises the following steps:

firstly, cutting, namely, placing a steel rail right below a resin grinding wheel, starting a servo motor 4, wherein the servo motor 4 drives a driving bevel gear 36 on the surface of a rotating shaft 35 to rotate so as to drive transmission bevel gears 38 at two ends of a transmission shaft 37 to rotate, and then the transmission bevel gears 38 are meshed with driven bevel gears 39 to drive a resin grinding wheel set 1 to rotate oppositely so as to realize the cutting action of the steel rail;

step two, ranging, namely simultaneously starting a laser ranging sensor 51 to detect the diameter of each grinding wheel in the resin sand wheel set 1, reducing the diameter when the grinding wheels are cut, detecting the diameter by the laser ranging sensor 51, controlling a hydraulic cylinder 21 to start to contract after the diameter is processed by a single chip microcomputer, driving the resin sand wheel set 1 to feed to a middle cutter supplement, and then continuing to cut the steel rail;

and step three, cooling, starting the semiconductor refrigeration sheet 53, refrigerating air around the end face of the water-cooling pipe 52 close to the grinding wheel, performing refrigeration type heat dissipation on the cutting surface of the grinding wheel through the surface of the water-cooling pipe 52, and performing heat conduction on water in the water-cooling pipe 52 by the heating end of the semiconductor refrigeration sheet 53.

According to the invention, the grinding wheel sets are arranged to simultaneously cut from two sides of the steel rail, so that double cutting efficiency is obtained, the distance between the resin grinding wheel sets is automatically adjusted through the laser distance sensor 51, the problem of cutting interference is prevented, and finally, the cooling mechanism is arranged at the top of the grinding wheel, so that cooling type heat dissipation is realized on the cutting surface of the grinding wheel, so that the cutting time of the grinding wheel is prolonged, the grinding wheel sets do not need to be frequently started and stopped, and the cutting accuracy is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.