High-precision sectional material sawing machine

Abstract

The invention relates to the technical field of sectional material sawing machines, in particular to a high-precision sectional material sawing machine which comprises a base, a first fixing block is fixedly connected to the upper end of the base, a rotating mechanism is arranged at the upper end of the first fixing block and comprises a transmission shaft, a disc is fixedly connected to the surface of the transmission shaft, and a saw blade is attached to the surface of the disc. A second fixing block is further fixedly connected to the surface of the transmission shaft, an attaching mechanism is arranged at one end of the transmission shaft, an expansion mechanism is arranged on the surface of the second fixing block, a valve mechanism is arranged in the second fixing block, a shell is rotationally connected to the surface of the transmission shaft, and an extrusion mechanism is arranged at the lower end of the shell; the first arc-shaped plate can be matched with the disc to clamp and fix the saw blade in the middle, meanwhile, the first arc-shaped plate can clamp the saw blade between the first arc-shaped plate and the disc, the baffle can drive the second arc-shaped plate to expand outwards while getting close to the saw blade, and the center of the saw blade coincides with the center of the transmission shaft.

Description

Technical Field

[0001] The present invention relates to the technical field of profile sawing machines, specifically a high-precision profile sawing machine. Background Art

[0002] The high-precision profile sawing machine is a key equipment in the industrial manufacturing field. Its technical principle, market pattern and application prospect all show significant technical advantages. The high-precision profile sawing machine is an advanced equipment specially designed for profile cutting. Its core structure consists of a frame, a material cutting chuck, a cutting machine and a discharging chuck. The material cutting chuck is equipped with a main chuck and a support rail, the discharging chuck includes an auxiliary chuck and a support rail, and the cutting tool of the cutting machine realizes precise cutting between the two. The equipment ensures the precise alignment of components through a reference positioning surface, and the sliding seat on the discharging guide rail simplifies the positioning adjustment and improves the assembly efficiency. The high-precision profile sawing machine realizes efficient and precise cutting through an advanced structure and intelligent control, promoting the development of multiple industries.

[0003] In the prior art, the spindle accuracy of the high-precision profile sawing machine has radial and axial runouts. The radial and axial runouts of the spindle will directly affect the quality of the cut surface and the cutting size. If there is a slight eccentricity in the connection between the saw blade and the transmission shaft, a series of problems may be caused. Due to the eccentricity, the saw blade generates uneven centrifugal force during rotation, resulting in vibration during cutting, causing phenomena such as ripples, unevenness, etc. on the cut surface, seriously affecting the flatness and smoothness of the cut surface. The eccentricity will cause the actual cutting path of the saw blade to deviate from the theoretical path, resulting in deviation of the cutting size and affecting the dimensional accuracy of the workpiece. The eccentricity will generate periodic centrifugal force, forcing the rotor to swing around the axis, causing equipment vibration, and the vibration amplitude increases with the increase of the rotational speed, affecting the stability and reliability of the equipment. At the same time, due to the decline in the quality of the cut surface, additional grinding or repair processes may be required, further reducing the overall processing efficiency. The vibration may cause the loosening of the fixed parts of the equipment, such as bolts, nuts and other connecting parts may gradually loosen due to vibration, posing a risk of falling off and causing safety hazards to the operators and the equipment itself. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a high-precision profile sawing machine.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows: a high-precision profile sawing machine, including a base, a first fixing block is fixedly connected to the upper end of the base, a rotating mechanism is arranged on the upper end of the first fixing block, the rotating mechanism includes a transmission shaft, a disc is fixedly connected to the surface of the transmission shaft, a saw blade is attached to the surface of the disc, a second fixing block is also fixedly connected to the surface of the transmission shaft, a fitting mechanism for fixing the saw blade is arranged at one end of the transmission shaft, an expansion mechanism for precisely positioning the saw blade is arranged on the surface of the second fixing block, a valve mechanism for opening the lubricating oil path inside the transmission shaft is arranged inside the second fixing block, the surface of the transmission shaft is rotatably connected to a housing, and an extrusion mechanism for pushing the lubricating oil to the connection between the saw blade and the disc is arranged at the lower end of the housing.

[0006] Preferably, a support platform is fixedly connected to the upper end of the base, the non-output end of a hydraulic cylinder is installed on the upper end of the support platform, and the output end of the hydraulic cylinder is fixedly connected to a pressing plate.

[0007] Preferably, the rotating mechanism includes a support plate, one end of the support plate is fixedly connected to the first fixing block, the support plate is elastically connected to a rotating shaft through a torsion spring, a first movable plate is fixedly connected to the surface of the rotating shaft, a transmission shaft is rotatably connected inside the first movable plate, one end of the transmission shaft is fixedly connected to a motor, the surface of the motor is fixedly connected to the housing, a partition is fixedly connected inside the housing, and a first sleeve is fixedly connected to one end surface of the first movable plate.

[0008] Preferably, the rotating mechanism further includes a protective cover, one end of the first sleeve is fixedly connected to the protective cover, one end of the disc is fixedly connected to the second fixing block, and a first hollow groove is opened inside the second fixing block.

[0009] Preferably, the fitting mechanism includes a nut, the nut is rotatably connected to a screw rod, the inner ring of a bearing is fixedly connected to the surface of the nut, the outer ring of the bearing is fixedly connected to a cover plate, a second movable plate is fixedly connected inside the cover plate, a baffle is attached to the inner surface of the cover plate, one end of the baffle is fixedly connected to a first compression spring, and one end of the first compression spring is fixedly connected to the second fixing block.

[0010] Preferably, the fitting mechanism further includes a sliding rod, one end of the baffle is fixedly connected to the sliding rod, one end of the sliding rod is slidably connected inside the second fixing block, and two first arc-shaped plates are symmetrically arranged on the surface of the baffle.

[0011] Preferably, the expansion mechanism includes a first sliding block. One end of the first sliding block is elastically and slidably connected to the second fixed block through a spring. A sawtooth is fixedly connected to the surface of the first sliding block. A second arc-shaped plate is fixedly connected to the upper end of the first sliding block. One end of the sawtooth is in contact with a third arc-shaped plate. One end of the third arc-shaped plate is fixedly connected to the baffle plate.

[0012] Preferably, the valve mechanism includes a first steel wire rope. One end of the first steel wire rope is fixedly connected to the first arc-shaped plate. One end of the first steel wire rope is fixedly connected to a second sliding block. The outside of the second sliding block is elastically connected to a second sleeve through a spring. The second sleeve is fixedly connected to the second fixed block.

[0013] Preferably, the extrusion mechanism includes a container. The upper end of the container is fixedly connected to the housing. A second hollow groove is provided inside the container. A connecting pipe is fixedly connected to the upper end of the container. The inside of the connecting pipe is rotationally connected to the transmission shaft. A rotating wheel is rotationally connected to the lower end of the container. A second steel wire rope is in contact with the surface of the rotating wheel. One end of the second steel wire rope is fixedly connected to the base. A stopper is fixedly connected to the upper end of the container. One end of the second steel wire rope is fixedly connected to a piston.

[0014] Preferably, the extrusion mechanism includes a second compression spring. The lower end of the piston is fixedly connected to the second compression spring. The lower end of the second compression spring is fixedly connected to the container.

[0015] Advantages of the present invention: For the high-precision profile sawing machine of the present invention, by arranging two first arc-shaped plates in a V shape, the first arc-shaped plates can not only cooperate with the disc to clamp and fix the saw blade in the middle, but also clamp the saw blade between the first arc-shaped plates and the disc, preventing the situation that the nut loosens and the saw blade flies out under severe vibration. For the high-precision profile sawing machine of the present invention, with the adopted structure, when the baffle plate approaches the saw blade, it will also drive the second arc-shaped plate to expand outwards. The outward expansion of the second arc-shaped plate will evenly support the central circular hole of the saw blade, making the center of the saw blade coincide with the center of the transmission shaft, thereby improving the cutting accuracy of the profile sawing machine. For the high-precision profile sawing machine of the present invention, with the arranged structure, when the baffle plate approaches the saw blade, it will also drive the first arc-shaped plate to fit on the surface of the saw blade. When the first arc-shaped plate continues to apply pressure on the surface of the saw blade, it will drive the first steel wire rope to move outwards. The outward movement of the first steel wire rope will further drive the second sliding block to move outwards, making the pipeline inside the screw rod unobstructed. Usually, closing the oil circuit can avoid lubricating oil leakage when not in use. The high-precision profile sawing machine described in the present invention, through the set structure, while the outer shell rotates around the rotating shaft, it will also drive the piston to move downward. The downward movement of the piston will push the lubricating fluid inside the container to be discharged from the second hollow groove. The lubricating oil discharged from the second hollow groove and entering the second arc-shaped plate will be discharged from several small holes on the surface. The lubricating oil discharged from several small holes on the surface of the second arc-shaped plate will be sprayed between the saw blade and the second arc-shaped plate to lubricate the connection part of the saw blade. At the same time, the flowing lubricating oil will also cool down the transmission shaft to prevent the temperature of the transmission shaft from being too high during long-term continuous operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the drawings and embodiments.

[0017] Figure 1 Schematic diagram of the overall structure provided by the present invention; Figure 2 Schematic diagram of the base structure; Figure 3 Schematic diagram of the protective cover structure; Figure 4 Schematic diagram of the outer shell structure; Figure 5 Schematic diagram of the connection structure between the rotating shaft and the first movable plate; Figure 6 Schematic diagram of the connection structure between the baffle and the first arc-shaped plate; Figure 7 Schematic diagram of the connection structure between the first sliding block and the saw teeth; Figure 8 Schematic diagram of the screw structure; Figure 9 For Figure 8 Schematic diagram of the enlarged structure of part A shown; Figure 10 Schematic diagram of the piston structure.

[0018] In the figure: 100, base; 101, first fixing block; 102, support platform; 103, hydraulic cylinder; 104, pressing plate; 200, rotating mechanism; 201, support plate; 202, rotating shaft; 203, first movable plate; 204, transmission shaft; 205, motor; 206, first sleeve; 207, protective cover; 208, disc; 209, second fixing block; 2091, first hollow groove; 210, outer shell; 2101, partition; 211, screw; 212, saw blade; 300, fitting mechanism; 301, nut; 302, bearing; 303, cover plate; 304, second movable plate; 305, baffle; 306, sliding rod; 307, first arc plate; 308, first compression spring; 400, expansion mechanism; 401, first sliding block; 402, saw teeth; 403, second arc plate; 404, third arc plate; 500, valve mechanism; 501, first steel wire rope; 502, second sliding block; 503, second sleeve; 600, extrusion mechanism; 601, container; 602, rotating wheel; 603, second steel wire rope; 604, stop block; 605, piston; 606, second compression spring; 607, second hollow groove; 608, connecting pipe. Detailed implementation manner

[0019] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0020] As Figures 1 - 10 shown, the high-precision profile sawing machine of the present invention includes a base 100. The upper end of the base 100 is fixedly connected with a first fixing block 101. A rotating mechanism 200 is arranged on the upper end of the first fixing block 101. The rotating mechanism 200 includes a transmission shaft 204. The surface of the transmission shaft 204 is fixedly connected with a disc 208. A saw blade 212 is attached to the surface of the disc 208. The surface of the transmission shaft 204 is also fixedly connected with a second fixing block 209. One end of the transmission shaft 204 is provided with a fitting mechanism 300 for fixing the saw blade 212. The surface of the second fixing block 209 is provided with an expansion mechanism 400 for accurately positioning the saw blade 212. The inside of the second fixing block 209 is provided with a valve mechanism 500 for opening the lubricating oil path inside the transmission shaft 204. The surface of the transmission shaft 204 is rotatably connected with an outer shell 210. The lower end of the outer shell 210 is provided with an extrusion mechanism 600 for pushing the lubricating oil to the connection part between the saw blade 212 and the disc 208.

[0021] Specifically, the upper end of the base 100 is fixedly connected with a support platform 102. The non-output end of a hydraulic cylinder 103 is installed on the upper end of the support platform 102. The output end of the hydraulic cylinder 103 is fixedly connected with a pressing plate 104.

[0022] In addition, the rotating mechanism 200 includes a support plate 201. One end of the support plate 201 is fixedly connected to the first fixed block 101. The support plate 201 is elastically connected to a rotating shaft 202 through a torsion spring. A first movable plate 203 is fixedly connected to the surface of the rotating shaft 202. A transmission shaft 204 is rotatably connected inside the first movable plate 203. One end of the transmission shaft 204 is fixedly connected to a motor 205. The surface of the motor 205 is fixedly connected to the housing 210. A partition plate 2101 is fixedly connected inside the housing 210. One end surface of the first movable plate 203 is fixedly connected to a first sleeve 206. One end of the first sleeve 206 is fixedly connected to a protective cover 207. One end of the disc 208 is fixedly connected to a second fixed block 209. A first hollow groove 2091 is formed inside the second fixed block 209.

[0023] Specifically, first, the central circular hole of the saw blade 212 is inserted from one end of the screw 211. The saw blade 212 is attached to the surface of the disc 208 after passing through the first arc-shaped plate 307. At this time, the nut 301 is installed on the screw 211. Rotating the nut 301 will drive the bearing 302 closer to the saw blade 212. The bearing 302 approaching the saw blade 212 will drive the cover plate 303 closer to the saw blade 212. When the cover plate 303 approaches the saw blade 212, it will drive the baffle plate 305 closer to the saw blade 212. When the baffle plate 305 approaches the saw blade 212, it will compress the first compression spring 308. At the same time that the baffle plate 305 approaches the saw blade 212, it will drive the first arc-shaped plate 307 to fit on the surface of the saw blade 212. The first arc-shaped plate 307 can tightly attach the saw blade 212 to the surface of the disc 208. When the saw blade 212 needs to be removed, the first arc-shaped plate 307 needs to be pressed inward, and then the saw blade 212 is removed from between the first arc-shaped plate 307 and the disc 208. Lubricating oil is contained in the inner space at the lower end of the partition plate 2101 inside the housing 210.

[0024] Furthermore, the first arc-shaped plate 307 is arranged in a shape of an inverted V. The first arc-shaped plate 307 can not only cooperate with the disc 208 to clamp and fix the middle saw blade 212, but also clamp the saw blade 212 between the first arc-shaped plate 307 and the disc 208, preventing the situation that the nut 301 loosens and the saw blade flies out under severe vibration.

[0025] Further, the fitting mechanism 300 includes a nut 301 which is rotatably connected to the screw rod 211. The inner ring of a bearing 302 is fixedly connected to the surface of the nut 301, and the outer ring of the bearing 302 is fixedly connected to a cover plate 303. A second movable plate 304 is fixedly connected inside the cover plate 303. A baffle 305 is attached to the inner surface of the cover plate 303. One end of the baffle 305 is fixedly connected to a first compression spring 308, and one end of the first compression spring 308 is fixedly connected to the second fixed block 209. One end of the baffle 305 is fixedly connected to a sliding rod 306, and one end of the sliding rod 306 is slidably connected inside the second fixed block 209. Two first arc-shaped plates 307 are symmetrically arranged on the surface of the baffle 305.

[0026] It should be noted that the expansion mechanism 400 includes a first sliding block 401. One end of the first sliding block 401 is elastically and slidably connected to the second fixed block 209 through a spring. A sawtooth 402 is fixedly connected to the surface of the first sliding block 401. A second arc-shaped plate 403 is fixedly connected to the upper end of the first sliding block 401. One end of the sawtooth 402 is attached to a third arc-shaped plate 404, and one end of the third arc-shaped plate 404 is fixedly connected to the baffle 305.

[0027] It is worth mentioning that the profile to be cut is placed on the upper end of the support table 102, and the hydraulic cylinder 103 is started to move downward to fix the profile, which improves the stability during profile cutting.

[0028] Specifically, when the baffle 305 approaches the saw blade 212, it will also drive the third arc-shaped plate 404 to approach the sawtooth 402. The third arc-shaped plate 404 approaching the sawtooth 402 will drive the first sliding block 401 to expand outwards, and the first sliding block 401 expanding outwards will drive the second arc-shaped plate 403 to expand outwards. With the adopted structure, when the baffle 305 approaches the saw blade 212, it will also drive the second arc-shaped plate 403 to expand outwards. The second arc-shaped plate 403 expanding outwards will evenly support the central circular hole of the saw blade 212, making the center of the saw blade 212 coincide with the center of the transmission shaft 204, thereby improving the cutting accuracy of the profile sawing machine.

[0029] Further, the valve mechanism 500 includes a first wire rope 501. One end of the first wire rope 501 is fixedly connected to the first arc-shaped plate 307. A second sliding block 502 is fixedly connected to one end of the first wire rope 501. The second sliding block 502 is elastically connected to a second sleeve 503 through a spring. The second sleeve 503 is fixedly connected to the second fixed block 209. When the first arc-shaped plate 307 continues to press against the surface of the saw blade 212, it will drive the first wire rope 501 to move outward. The outward movement of the first wire rope 501 will drive the second sliding block 502 to move outward. The outward movement of the second sliding block 502 will unblock the pipeline inside the screw 211. Through the arranged structure, when the baffle 305 approaches the saw blade 212, it will also drive the first arc-shaped plate 307 to fit against the surface of the saw blade 212. When the first arc-shaped plate 307 continues to press against the surface of the saw blade 212, it will drive the first wire rope 501 to move outward. The outward movement of the first wire rope 501 will further drive the second sliding block 502 to move outward, unblocking the pipeline inside the screw 211.

[0030] Further, the extrusion mechanism 600 includes a container 601. The upper end of the container 601 is fixedly connected to the housing 210. A second hollow groove 607 is formed inside the container 601. A connecting pipe 608 is fixedly connected to the upper end of the container 601. The inside of the connecting pipe 608 is rotatably connected to the transmission shaft 204. A rotating wheel 602 is rotatably connected to the lower end of the container 601. A second wire rope 603 is attached to the surface of the rotating wheel 602. One end of the second wire rope 603 is fixedly connected to the base 100. A stop block 604 is fixedly connected to the upper end of the container 601. A piston 605 is fixedly connected to the upper end of the second wire rope 603. A second compression spring 606 is fixedly connected to the lower end of the piston 605. The lower end of the second compression spring 606 is fixedly connected to the container 601. At this time, when the profile is cut by pressing down the handle at the upper end of the housing 210, the downward pressing of the housing 210 will drive the rotation of the rotating shaft 202. The rotation of the rotating shaft 202 will compress the torsion spring between the rotating shaft 202 and the housing 210. The rotation of the rotating shaft 202 will drive the first movable plate 203 to rotate around the rotating shaft 202. The rotation of the first movable plate 203 around the rotating shaft 202 will drive the transmission shaft 204 to rotate around the rotating shaft 202.

[0031] Further, while the outer shell 210 rotates around the rotating shaft 202, the second steel wire rope 603 will be pulled downward at this time. The downward pull of the second steel wire rope 603 will drive the piston 605 to move downward. The initial position of the piston 605 is higher than the height of the opening of the container 601. Therefore, initially, the lubricating oil in the outer shell 210 and the partition 2101 will flow to the bottom container 601 under the action of gravity. When the piston 605 moves downward, it will drive the compression of the second compression spring 606. The downward movement of the piston 605 will push the lubricating liquid inside the container 601 to be discharged from the second hollow groove 607. The lubricating oil discharged from the second hollow groove 607 will enter the inside of the transmission shaft 204 through the connecting pipe 608. The lubricating oil inside the transmission shaft 204 will enter the inside of the second fixing block 209. The lubricating oil inside the second fixing block 209 will enter the inside of the first sliding block 401 through the first hollow groove 2091. The lubricating oil inside the first sliding block 401 will pass through the inside of the second arc-shaped plate 403. The lubricating oil inside the second arc-shaped plate 403 will be discharged from several small holes on the surface. The lubricating oil discharged from several small holes on the surface of the second arc-shaped plate 403 will be sprayed between the saw blade 212 and the second arc-shaped plate 403 to lubricate the connection of the saw blade 212; through the set structure, while the outer shell 210 rotates around the rotating shaft 202, it will also drive the piston 605 to move downward. The downward movement of the piston 605 will push the lubricating liquid inside the container 601 to be discharged from the second hollow groove 607. The lubricating oil discharged from the second hollow groove 607 and entering the inside of the second arc-shaped plate 403 will be discharged from several small holes on the surface. The lubricating oil discharged from several small holes on the surface of the second arc-shaped plate 403 will be sprayed between the saw blade 212 and the second arc-shaped plate 403 to lubricate the connection of the saw blade 212. At the same time, the flowing lubricating oil will also cool down the transmission shaft 204 to prevent the temperature of the transmission shaft 204 from being too high during long-term continuous operation.

[0032] Specifically, at this time, the motor 205 is started to rotate. The rotation of the motor 205 will drive the transmission shaft 204 to rotate. The rotation of the transmission shaft 204 will drive the disc 208 to rotate. The rotation of the disc 208 will drive the saw blade 212 to rotate. The rotation of the saw blade 212 will cut the profile.

[0033] Working principle: When the present invention is in use, first, the central circular hole of the saw blade 212 is inserted from one end of the screw rod 211. The saw blade 212 passes through the first arc-shaped plate 307 and fits on the surface of the disc 208. At this time, the nut 301 is installed on the screw rod 211. Rotating the nut 301 will drive the bearing 302 closer to the saw blade 212. When the bearing 302 approaches the saw blade 212, it will drive the cover plate 303 closer to the saw blade 212. When the cover plate 303 approaches the saw blade 212, it will drive the baffle 305 closer to the saw blade 212. When the baffle 305 approaches the saw blade 212, it will compress the first compression spring 308. While the baffle 305 approaches the saw blade 212, it will drive the first arc-shaped plate 307 to fit on the surface of the saw blade 212. The first arc-shaped plate 307 can tightly fit the saw blade 212 on the surface of the disc 208. The second movable plate 304 on the cover plate 303 is made of spring steel and has a certain elasticity. There are two symmetrically arranged second movable plates 304 on the cover plate 303. The two second movable plates 304 are close to the first arc-shaped plate 307. When the first arc-shaped plate 307 contacts the saw blade 212 and expands outward, it will drive the second movable plate 304 to expand outward. The second movable plate 304 serves to provide space for the expansion of the first arc-shaped plate 307. When the saw blade 212 needs to be removed, the first arc-shaped plate 307 needs to be pressed inward, and then the saw blade 212 is removed from between the first arc-shaped plate 307 and the disc 208. Inside the lower internal space of the partition 2101 in the housing 210, lubricating oil is filled; by setting the first arc-shaped plate 307 in a shape of an inverted V, the first arc-shaped plate 307 can not only cooperate with the disc 208 to clamp and fix the middle saw blade 212, but also clamp the saw blade 212 between the first arc-shaped plate 307 and the disc 208. There are two symmetrically arranged first arc-shaped plates 307 on the surface of the baffle 305. The first arc-shaped plate 307 is made of spring steel and has good elasticity, preventing the situation that the nut 301 loosens and the saw blade flies out under severe vibration of the saw blade 212.

[0034] Place the profile to be cut on the upper end of the support table 102, and start the hydraulic cylinder 103 to move downward to fix the profile, improving the stability during profile cutting.

[0035] While the baffle 305 approaches the saw blade 212, it will also drive the third arc-shaped plate 404 closer to the saw teeth 402. When the third arc-shaped plate 404 approaches the saw teeth 402, it will drive the first sliding block 401 to expand outward. There are two symmetrically arranged third arc-shaped plates 404 on the surface of the plate 305. The third arc-shaped plate 404 is made of spring steel and has a certain elasticity. When the first sliding block 401 expands outward, it will drive the second arc-shaped plate 403 to expand outward; with the adopted structure, while the baffle 305 approaches the saw blade 212, it will also drive the second arc-shaped plate 403 to expand outward. When the second arc-shaped plate 403 expands outward, it will evenly support the central circular hole of the saw blade 212, making the center of the saw blade 212 coincide with the center of the transmission shaft 204, thereby improving the cutting accuracy of the profile sawing machine.

[0036] When the first arc-shaped plate 307 continues to press against the surface of the saw blade 212, it will drive the first steel wire rope 501 to move outward. The outward movement of the first steel wire rope 501 will drive the second sliding block 502 to move outward, and the outward movement of the second sliding block 502 will unblock the pipeline inside the screw rod 211. Through the set structure, while the baffle 305 approaches the saw blade 212, it will also drive the first arc-shaped plate 307 to fit against the surface of the saw blade 212. When the first arc-shaped plate 307 continues to press against the surface of the saw blade 212, it will drive the first steel wire rope 501 to move outward. The outward movement of the first steel wire rope 501 will further drive the second sliding block 502 to move outward, unblocking the pipeline inside the screw rod 211.

[0037] At this time, the profile is cut by pressing down the handle at the upper end of the outer shell 210. Pressing down the outer shell 210 will drive the rotating shaft 202 to rotate. The rotation of the rotating shaft 202 will compress the torsion spring between the rotating shaft 202 and the outer shell 210. The rotation of the rotating shaft 202 will drive the first movable plate 203 to rotate around the rotating shaft 202, and the rotation of the first movable plate 203 around the rotating shaft 202 will drive the transmission shaft 204 to rotate around the rotating shaft 202.

[0038] While the outer shell 210 rotates around the rotating shaft 202, the second steel wire rope 603 will be pulled downward at this time. The downward pulling of the second steel wire rope 603 will drive the piston 605 to move downward. The initial position of the piston 605 is higher than the height of the opening of the container 601. Therefore, initially, the lubricating oil in the outer shell 210 and the partition 2101 will flow to the bottom container 601 under the action of gravity. When the piston 605 moves downward, it will drive the compression of the second compression spring 606. The downward movement of the piston 605 will push the lubricating liquid inside the container 601 to be discharged from the second hollow groove 607. The lubricating oil discharged from the second hollow groove 607 will enter the inside of the transmission shaft 204 through the connecting pipe 608. The lubricating oil inside the transmission shaft 204 will enter the inside of the second fixing block 209. The lubricating oil inside the second fixing block 209 will enter the inside of the first sliding block 401 through the first hollow groove 2091. The lubricating oil inside the first sliding block 401 will pass through the inside of the second arc-shaped plate 403. The lubricating oil inside the second arc-shaped plate 403 will be discharged from several small holes on the surface. The lubricating oil discharged from several small holes on the surface of the second arc-shaped plate 403 will be sprayed between the saw blade 212 and the second arc-shaped plate 403 to lubricate the connection of the saw blade 212; through the set structure, while the outer shell 210 rotates around the rotating shaft 202, it will also drive the piston 605 to move downward. The downward movement of the piston 605 will push the lubricating liquid inside the container 601 to be discharged from the second hollow groove 607. The lubricating oil discharged from the second hollow groove 607 and entering the inside of the second arc-shaped plate 403 will be discharged from several small holes on the surface. The lubricating oil discharged from several small holes on the surface of the second arc-shaped plate 403 will be sprayed between the saw blade 212 and the second arc-shaped plate 403 to lubricate the connection of the saw blade 212. At the same time, the flowing lubricating oil will also cool down the transmission shaft 204 to prevent the temperature of the transmission shaft 204 from being too high during long-term continuous operation.

[0039] At this time, start the motor 205 to rotate. The rotation of the motor 205 will drive the transmission shaft 204 to rotate. The rotation of the transmission shaft 204 will drive the disc 208 to rotate. The rotation of the disc 208 will drive the saw blade 212 to rotate. The rotation of the saw blade 212 will cut the profile.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision profile sawing machine, comprising a base (100), wherein the upper end of the base (100) is fixedly connected to a first fixing block (101), characterized in that: A rotating mechanism (200) is provided at the upper end of the first fixed block (101), the rotating mechanism (200) comprising a transmission shaft (204), a disk (208) being fixedly connected to the surface of the transmission shaft (204), a saw blade (212) being bonded to the surface of the disk (208), a second fixed block (209) being fixedly connected to the surface of the transmission shaft (204), and a bonding mechanism (300) for fixing the saw blade (212) being provided at one end of the transmission shaft (204). The surface of the second fixed block (209) is provided with an expansion mechanism (400) for accurately positioning the saw blade (212); the interior of the second fixed block (209) is provided with a valve mechanism (500) for opening the lubricating oil path inside the transmission shaft (204); the surface of the transmission shaft (204) is rotatably connected to a housing (210); the lower end of the housing (210) is provided with an extrusion mechanism (600) for pushing the lubricating oil to the connection between the saw blade (212) and the disc (208).

2. The high-precision profile sawing machine according to claim 1, characterized in that: The upper end of the base (100) is fixedly connected to a support platform (102), the upper end of the support platform (102) is mounted with a non-output end of a hydraulic cylinder (103), and the output end of the hydraulic cylinder (103) is fixedly connected to a pressure plate (104).

3. The high-precision profile sawing machine according to claim 2, characterized in that: The rotating mechanism (200) comprises a support plate (201), one end of the support plate (201) is fixedly connected to the first fixed block (101), the support plate (201) is elastically connected to a rotating shaft (202) via a torsion spring, the surface of the rotating shaft (202) is fixedly connected to a first movable plate (203), the interior of the first movable plate (203) is rotatably connected to a transmission shaft (204), one end of the transmission shaft (204) is fixedly connected to a motor (205), the surface of the motor (205) is fixedly connected to the housing (210), the interior of the housing (210) is fixedly connected to a partition plate (2101), and the surface of one end of the first movable plate (203) is fixedly connected to a first sleeve (206).

4. The high-precision profile sawing machine according to claim 3, characterized in that: The rotating mechanism (200) further comprises a protective cover (207), one end of the first sleeve (206) is fixedly connected to the protective cover (207), one end of the disc (208) is fixedly connected to a second fixing block (209), and a first hollow groove (2091) is provided inside the second fixing block (209).

5. The high-precision profile sawing machine according to claim 4, characterized in that: The fitting mechanism (300) comprises a nut (301), wherein the nut (301) is rotatably connected to the screw rod (211), the inner ring of a bearing (302) is fixedly connected to the surface of the nut (301), the outer ring of the bearing (302) is fixedly connected to a cover plate (303), the interior of the cover plate (303) is fixedly connected to a second movable plate (304), a baffle (305) is fitted to the inner surface of the cover plate (303), one end of the baffle (305) is fixedly connected to a first compression spring (308), and one end of the first compression spring (308) is fixedly connected to the second fixed block (209).

6. The high-precision profile sawing machine according to claim 5, characterized in that: The laminating mechanism (300) further comprises a sliding rod (306), one end of the baffle plate (305) being fixedly connected to the sliding rod (306), one end of the sliding rod (306) being slidably connected to the inside of the second fixed block (209), and two first arc-shaped plates (307) being symmetrically arranged on the surface of the baffle plate (305).

7. The high-precision profile sawing machine according to claim 6, characterized in that: The expansion mechanism (400) comprises a first sliding block (401), one end of the first sliding block (401) being elastically slidably connected to the second fixed block (209) via a spring, a sawtooth (402) being fixedly connected to the surface of the first sliding block (401), a second curved plate (403) being fixedly connected to the upper end of the first sliding block (401), a third curved plate (404) being fitted to one end of the sawtooth (402), and one end of the third curved plate (404) being fixedly connected to the baffle (305).

8. The high-precision profile sawing machine according to claim 7, characterized in that: The valve mechanism (500) comprises a first steel wire rope (501), one end of the first steel wire rope (501) is fixedly connected to the first arc plate (307), one end of the first steel wire rope (501) is fixedly connected to a second sliding block (502), the outside of the second sliding block (502) is elastically connected to a second sleeve (503) via a spring, and the second sleeve (503) is fixedly connected to the second fixed block (209).

9. The high-precision profile sawing machine according to claim 8, characterized in that: The extrusion mechanism (600) comprises a container (601), the upper end of the container (601) is fixedly connected to the housing (210), a second hollow groove (607) is provided inside the container (601), the upper end of the container (601) is fixedly connected to a connecting pipe (608), the interior of the connecting pipe (608) is rotatably connected to the transmission shaft (204), the lower end of the container (601) is rotatably connected to a rotating wheel (602), a second steel wire rope (603) is attached to the surface of the rotating wheel (602), one end of the second steel wire rope (603) is fixedly connected to the base (100), the upper end of the container (601) is fixedly connected to a stopper (604), and the upper end of the second steel wire rope (603) is fixedly connected to a piston (605).

10. The high-precision profile sawing machine according to claim 9, characterized in that: The squeezing mechanism (600) comprises a second compression spring (606), the lower end of the piston (605) is fixedly connected to the second compression spring (606), and the lower end of the second compression spring (606) is fixedly connected to the container (601).

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