Stainless steel workpiece cutting device

Abstract

The invention discloses a stainless steel workpiece cutting device, and relates to the technical field of stainless steel workpiece cutting, the stainless steel workpiece cutting device comprises a base, a support frame is mounted on the base, a cutting knife is provided with an assembly hole, the assembly hole is fixedly connected with a rotating shaft, the cutting knife is provided with a cutting edge part, the cutting edge part is provided with ladder flat teeth, and the ladder flat teeth are fixedly connected with the rotating shaft. A square groove is formed in the position, between the two ladder-shaped flat teeth, of the cutting edge part, the cutting knife is a hard alloy coating tool, so that the hardness and strength of the cutting knife cannot be affected by the arrangement of the square groove, the length of cuttings is shortened through the vibration assembly, the cuttings can be guided to be discharged through the cooling assembly, but the situation that the cuttings adhere to the knife cannot be avoided; the square groove is specially formed in the cutting knife, after high-temperature cuttings are generated, the high-temperature cuttings can be guided into the square groove, forced chip breaking is achieved, the situation that the cuttings adhere to the surface of the cutting blade part can be reduced through the structure, the problem of adhesion abrasion of the cutting knife is effectively solved, and the protection performance of the cutting knife is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of stainless steel workpiece cutting, in particular to a stainless steel workpiece cutting device. Background Art

[0002] In the field of metal cutting, stainless steel pipe is a hollow long strip of steel made of stainless steel, which is widely used in the fields of fluid transportation, mechanical structure, architectural decoration, etc. When cutting stainless steel pipe, a cutting device is required.

[0003] In the existing documents, a stainless steel product cutting machine with announcement number CN 118635577 B includes a workbench, support frames are installed at both ends of the workbench, and a mounting groove is provided in the middle of the upper end surface of the support frame. A hydraulic cylinder is installed in the inner cavity of the mounting groove, and the piston rod end of the hydraulic cylinder is fixedly connected to a pressing and cutting assembly; and the pressing and cutting assembly includes a push plate fixedly connected to the piston rod end of the hydraulic cylinder, and fixed blocks are fixed on both sides of the lower end surface of the push plate, and a threaded rod is rotatably connected between the two fixed blocks; the cutting machine drives the saw blade to reciprocate by utilizing a moving mechanism, so that the saw blade cuts the stainless steel product neatly, but in the metal cutting process, since the saw blade cuts the stainless steel product during the reciprocating motion, this can easily cause the saw teeth of the saw blade to rub against the barbs at the cutting edge and cause the saw blade to get stuck, resulting in saw blade breakage; and the stainless steel waste generated during cutting is prone to splashing and is difficult to collect.

[0004] In metal cutting, when existing cutting devices cut stainless steel pipes, chips easily stick to the tool due to the high cutting temperature and strong affinity between the material and the tool, which leads to tool edge breakage and severe tool wear. Since it is difficult to effectively suppress chip sticking, the protection of the cutting tool is poor. Summary of the Invention

[0005] The purpose of the present invention is to provide a stainless steel workpiece cutting device to solve the following technical problems: when cutting stainless steel pipes, due to the high cutting temperature and strong affinity between the material and the tool, chips are prone to sticking to the tool, and then the tool edge breaks, resulting in severe tool wear. Since it is difficult to effectively suppress chip sticking to the tool, the protection of the cutting tool is poor.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A stainless steel workpiece cutting device comprises a base, a support frame is installed on the base, a PLC controller is installed on the side wall of the support frame, a hydraulic cylinder is installed on the support frame, a vibration assembly is installed on the action rod of the hydraulic cylinder, a cutting assembly is installed on the vibration assembly, the cutting assembly comprises a protective cover, a driving motor is installed on the side wall of the protective cover through the machine base, a rotating shaft is installed on the output shaft of the driving motor through a coupling, a cutting knife is fixedly sleeved on the rotating shaft, the cutting knife is rotatably mounted on the protective cover through the rotating shaft, an assembly hole is opened on the cutting knife, the assembly hole is fixedly connected to the rotating shaft, and a cutting knife is provided on the cutting knife. There is a cutting edge portion, which is provided with ladder-shaped flat teeth. A square groove is provided on the cutting edge portion between the two ladder-shaped flat teeth. The cutting knife is a carbide-coated tool, so the provision of the square groove will not affect the hardness and strength of the cutting knife. The vibration component shortens the chip length, and the cooling component can guide the chip discharge, but both cannot prevent the chips from sticking to the knife. By specially arranging a square groove in the cutting knife, after high-temperature chips are generated, the high-temperature chips will be guided into the square groove, realizing forced chip breaking. This structure can reduce the situation where chips stick to the surface of the cutting edge portion, effectively solves the problem of adhesion and wear of the cutting knife, and is conducive to improving the protection of the cutting knife.

[0007] As a further solution of the present invention: the vibration component includes a connecting seat, a vibration seat is slidably connected to the connecting seat, two lifting grooves are symmetrically provided in the vibration seat, lifting blocks are installed in the lifting grooves, and the lifting blocks are fixedly connected to the inner wall of the connecting seat, an ultrasonic generator is installed on the base, and the ultrasonic generator is connected to the PLC controller through an internal circuit, a transducer is fixedly installed on the connecting seat, and the transducer is connected to the ultrasonic generator through an internal circuit, a variable amplitude rod is fixedly connected to the transducer, and the bottom side of the variable amplitude rod is fixedly connected to the vibration seat, and the vibration seat is fixedly connected to the protective cover, and the vibration component operates, that is, the ultrasonic generator moves to the transducer. The device sends a high-frequency electrical signal, and the transducer converts the high-frequency electrical signal into mechanical vibration. Then the amplitude transformer amplifies the amplitude and acts on the vibration seat. The vibration seat vibrates stably on the connecting seat, and the connecting seat drives the protective cover to vibrate at high frequency. The protective cover drives the cutting knife to vibrate at high frequency, that is, the cutting knife superimposes sinusoidal vibration in the cutting direction to form intermittent cutting. First, it can effectively reduce the average cutting force, inhibit work hardening, and avoid high-rigidity tools from damaging the wall of the stainless steel pipe, thereby protecting the wall of the stainless steel pipe and reducing the wear of the cutting knife. Second, burrs are reduced. Third, the contact time between the cutting knife and the stainless steel pipe can be reduced, which provides time for cooling and improves the cooling effect.

[0008] As a further solution of the present invention: a cooling assembly is installed on the protective cover, and the cooling assembly includes two mounting seats, two mounting seats are symmetrically installed on the side wall of the protective cover, threaded holes are opened on the side walls of the mounting seats, positioning screws are installed in the threaded holes, and knobs are installed on the positioning screws. A nozzle is placed in the mounting seat, a nozzle is installed on the bottom side of the nozzle, a water pipe is installed on the nozzle, the other end of the water pipe is connected to a water pump, a water inlet pipe is installed on the water pump, and the water pump is fixedly installed on the support frame. When the cooling assembly is in operation, , introduce cooling water into the water inlet pipe, then the water pump introduces the cooling water into the water guide pipe, and then introduces it from the water guide pipe to the two nozzles respectively, and finally sprays it out from the two nozzles. The cooling water sprayed by the two nozzles fully cools the cutting area of the cutting knife. Through sufficient cooling, first, the cutting temperature can be reduced, and the wear rate of the cutting knife can be slowed down. Second, it can avoid thermal deformation of the stainless steel pipe and the occurrence of dimensional tolerances. Third, it can guide the discharge of chips, reduce chip adhesion, and reduce the welding of stainless steel chips on the cutting edge, causing edge collapse.

[0009] As a further solution of the present invention: two placement racks are installed on the base, a debris trough is formed between the two placement racks, a stainless steel pipe is placed on the placement rack, a clamping assembly is installed on the base, the clamping assembly includes two electric telescopic rods, the outer shell of the electric telescopic rod is a protective structure, a movable plate is installed on the action rod of the electric telescopic rod, two movable grooves are symmetrically provided on the base, a movable block is assembled in the movable groove, the movable block is fixedly connected to the movable plate, two fixed plates are installed on the movable plate, two rotating rods are rotatably installed on the two fixed plates, two guide wheels are fixedly provided on the rotating rod, a protective shell is installed on the side wall of one of the fixed plates, and a protective shell is installed inside the protective shell. There is a first motor, the output shaft of the first motor is fixedly connected to one of the rotating rods, and the two movable plates are pushed to move synchronously relative to each other through the action rods on the two electric telescopic rods, driving the two rotating rods to drive the four guide wheels to move synchronously relative to each other, so that the eight guide wheels contact the side walls of the stainless steel pipe and limit the stainless steel pipe. First, the stainless steel pipe is limited within four points, and the stainless steel pipe is in a stable state in the vertical direction, preventing the cutting vibration from causing the stainless steel pipe to shift. Second, the clamping force of the eight guide wheels is evenly distributed, realizing uniform limitation of the stainless steel pipe, which can prevent the stainless steel pipe from deformation. Third, the eight guide wheels are symmetrically arranged at both ends of the cutting to avoid chip accumulation interfering with positioning.

[0010] Beneficial effects of the present invention: In the field of metal cutting, cutting knives use carbide-coated tools, so the square groove will not affect the hardness and strength of the cutting knife. Although the vibration component can shorten the chip length and the cooling component can guide the chip discharge, they cannot avoid the problem of chips sticking to the knife. Therefore, a square groove is specially designed inside the cutting knife. When high-temperature chips are generated, they are guided into the square groove, thereby achieving a forced chip breaking effect. This structure can significantly reduce the chance of chips adhering to the cutting edge surface, effectively overcoming the problem of adhesive wear of the cutting knife during metal cutting, and also more effectively improving the protection efficiency of the cutting knife.

[0011] During the metal cutting process, the action rods on the two electric telescopic rods push the two movable plates to move synchronously relative to each other, which in turn drives the two rotating rods to drive the four guide wheels to move synchronously relative to each other, so that the eight guide wheels contact the side walls of the stainless steel tube, effectively limiting the position of the stainless steel tube. First, the stainless steel tube is limited to four points and remains stable in the vertical direction, preventing cutting vibration from causing the stainless steel tube to shift. Second, the clamping force applied by the eight guide wheels is evenly distributed, achieving uniform positioning of the stainless steel tube and preventing deformation of the stainless steel tube. Third, the eight guide wheels are symmetrically arranged at both ends of the cutting point to prevent chip accumulation from interfering with positioning, ensuring the accuracy and stability of the metal cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 It is a schematic diagram of a first-person perspective three-dimensional structure; Figure 2 It is a schematic diagram of the three-dimensional structure of the cutting component; Figure 3 Schematic diagram of the three-dimensional structure of the cutting knife; Figure 4 Schematic diagram of the three-dimensional structure of the vibration component; Figure 5 It is a schematic diagram of the three-dimensional structure of the cooling component; Figure 6 It is a schematic diagram of the three-dimensional structure of the placement rack; Figure 7 It is a schematic diagram of the three-dimensional structure of the clamping component.

[0014] In the figure: 1. Base; 2. Support frame; 3. PLC controller; 4. Hydraulic cylinder; 6. Protective cover; 601. Drive motor; 602. Cutting knife; 603. Assembly hole; 604. Cutting edge; 605. Ladder teeth; 606. Square groove; 5. Connecting seat; 501. Vibrating seat; 502. Lifting groove; 503. Lifting block; 504. Ultrasonic generator; 505. Transducer; 506. Amplitude transformer; 7. Mounting base; 701, knob; 702, nozzle; 703, nozzle; 704, water guide pipe; 705, water pump; 706, water inlet pipe; 8, placement rack; 801, debris chute; 9, electric telescopic rod; 901, moving plate; 902, moving chute; 903, moving block; 904, fixing plate; 905, rotating rod; 906, guide wheel; 907, protective shell; 908, first motor; 10, stainless steel pipe. DETAILED DESCRIPTION

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0016] See also Figure 1-3 As shown, a stainless steel workpiece cutting device includes a base 1, a support frame 2 is installed on the base 1, a PLC controller 3 is installed on the side wall of the support frame 2, a hydraulic cylinder 4 is installed on the support frame 2, a vibration component is installed on the action rod of the hydraulic cylinder 4, a cutting component is installed on the vibration component, and the cutting component includes a protective cover 6, a driving motor 601 is installed on the side wall of the protective cover 6 through the machine base, a rotating shaft is installed on the output shaft of the driving motor 601 through a coupling, a cutting knife 602 is fixedly sleeved on the rotating shaft, the cutting knife 602 is rotatably mounted on the protective cover 6 through the rotating shaft, an assembly hole 603 is opened on the cutting knife 602, the assembly hole 603 is fixedly connected to the rotating shaft, a cutting blade portion 604 is provided on the cutting blade portion 604 is provided with a ladder leveling Teeth 605, a square groove 606 is provided on the cutting edge portion 604 between the two stepped flat teeth 605; when working, when the existing cutting device is cutting the stainless steel pipe 10, due to the high cutting temperature and the strong affinity between the material and the tool, chips are prone to sticking to the tool, and then the tool edge is broken, resulting in serious tool wear. Since it is difficult to effectively suppress the chips sticking to the tool, the protection of the cutting knife 602 is poor. Through the operation of the hydraulic cylinder 4, the action rod on it drives the vibration assembly and the cutting assembly to move vertically downward. At the same time, the drive motor 601 in the cutting assembly is operated to drive the cutting knife 602 to rotate at high speed, and cooperate with the guide wheel 906 in the clamping assembly to push the stainless steel pipe 10 to rotate stably in a circular manner, thereby achieving circular cutting of the stainless steel pipe 10; During this process, cutting heat is generated at the cutting point between the cutting blade 602 and the stainless steel tube 10, causing the chip temperature to be high, which may reach above 800°C. Moreover, due to the strong affinity between the chips and the cutting blade 602, the chips may easily be welded to the cutting blade 602. Since the cutting knife 602 is a carbide coated tool, the provision of the square groove 606 will not affect the hardness and strength of the cutting knife 602. The vibration component shortens the chip length, and the cooling component can guide the chip discharge, but they cannot prevent the chips from sticking to the knife. By specially arranging the square groove 606 in the cutting knife 602, after the high-temperature chips are generated, the high-temperature chips will be guided into the square groove 606, realizing forced chip breaking. This structure can reduce the situation where the chips stick to the surface of the cutting edge 604, effectively solves the problem of adhesion and wear of the cutting knife 602, and is conducive to improving the protection of the cutting knife 602.

[0017] See also Figure 4As shown, the vibration assembly includes a connecting base 5, on which a vibration base 501 is slidably connected, two lifting grooves 502 are symmetrically provided in the vibration base 501, and a lifting block 503 is assembled in the lifting groove 502, and the lifting block 503 is fixedly connected to the inner wall of the connecting base 5, an ultrasonic generator 504 is installed on the base 1, and the ultrasonic generator 504 is connected to the PLC controller 3 through an internal circuit, a transducer 505 is fixedly installed on the connecting base 5, and the transducer 505 is connected to the ultrasonic generator 504 through an internal circuit, and a horn 506 is fixedly connected to the transducer 505, and the bottom side of the horn 506 is fixedly connected to the vibration base 501, and the vibration base 501 is fixedly connected to the protective cover 6; when working, when cutting the stainless steel pipe 10, the vibration assembly operates synchronously, the model of the ultrasonic generator 504 is Sonics HPS2000, the model of the transducer 505 is PZT-8, and the horn 506 is a titanium alloy stepped structure and the model is Branson 2000X-TC4, the function of the horn 506 is to achieve amplitude amplification through a step-by-step cross-sectional area change. It operates through the vibration component, that is, the ultrasonic generator 504 sends a high-frequency electrical signal to the transducer 505, and the transducer 505 converts the high-frequency electrical signal into mechanical vibration. Then the horn 506 amplifies the amplitude and acts on the vibration base 501. The vibration base 501 vibrates stably on the connecting base 5, and the connecting base 5 drives the protective cover 6 to vibrate at high frequency. The protective cover 6 drives the cutting knife 602 to vibrate at high frequency. That is, the cutting knife 602 vibrates when cutting. A 20kHz sinusoidal vibration is superimposed in the cutting direction, and the amplitude fluctuation of the cutting edge 604 is less than ±0.2μm, forming intermittent cutting. First, it can effectively reduce the average cutting force, inhibit work hardening, and avoid high-rigidity tools from damaging the wall of the stainless steel tube 10, thereby protecting the wall of the stainless steel tube 10 and reducing the wear of the cutting knife 602. Second, burrs are reduced, which can promote the shortening of chip length to 1-3mm. Third, the contact time between the cutting knife 602 and the stainless steel tube 10 can be reduced, providing time for cooling and promoting the improvement of the cooling effect.

[0018] See also Figure 5As shown, a cooling assembly is installed on the protective cover 6, and the cooling assembly includes two mounting seats 7. Two mounting seats 7 are symmetrically installed on the side wall of the protective cover 6. A threaded hole is opened on the side wall of the mounting seat 7, and a positioning screw is assembled in the threaded hole. A knob 701 is installed on the positioning screw. A nozzle 702 is placed in the mounting seat 7, and a nozzle 703 is installed on the bottom side of the nozzle 702. A water guide pipe 704 is installed on the nozzle 702, and the other end of the water guide pipe 704 is connected to a water pump 705. A water inlet pipe 706 is installed on the water pump 705, and the water pump 705 is fixedly installed on the support frame 2; when working, the vibration assembly and the cutting assembly are operating, and the cooling assembly is operated synchronously. By placing the nozzle 702 on the mounting seat 7, then aligning the nozzle 703 with the cutting area of the cutting knife 602, and finally turning the knob 701 and tightening the positioning screw, the positioning screw locks the nozzle 702, thereby achieving fixed installation of the nozzle 702; When the cooling component is operating, cooling water is introduced into the water inlet pipe 706. The model of the water pump 705 is ZW20-10-20. Then the water pump 705 introduces the cooling water into the water pipe 704. Then, the water is introduced from the water pipe 704 to the two nozzles 702 respectively, and finally sprayed out from the two nozzles 703. The cooling water sprayed from the two nozzles 703 fully cools the cutting area of the cutting knife 602. Through sufficient cooling, first, the cutting temperature can be reduced, and the wear rate of the cutting knife 602 can be slowed down. Second, the stainless steel pipe 10 can be prevented from being thermally deformed and out of size. Third, the chips can be guided for discharge, the chip adhesion can be reduced, and the stainless steel chips can be reduced from being welded to the cutting edge 604, causing chip breakage.

[0019] Example 2: Please refer to Figure 6-7As shown, two placement racks 8 are installed on the base 1, and a debris groove 801 is provided between the two placement racks 8. A stainless steel pipe 10 is placed on the placement rack 8. A clamping assembly is installed on the base 1. The clamping assembly includes two electric telescopic rods 9. The outer shell of the electric telescopic rod 9 is a protective structure. A movable plate 901 is installed on the action rod of the electric telescopic rod 9. Two movable grooves 902 are symmetrically provided on the base 1. A movable block 903 is assembled in the movable groove 902. The movable block 903 is fixedly connected to the movable plate 901. Two fixed plates 904 are installed on the movable plate 901. Two rotating rods 905 are rotatably installed on the two fixed plates 904. Two guide sleeves are fixed on the rotating rod 905. Wheel 906, a protective shell 907 is installed on the side wall of one of the fixing plates 904, and a first motor 908 is installed in the protective shell 907, and the output shaft of the first motor 908 is fixedly connected to one of the rotating rods 905; when working, the existing cutting device is difficult to uniformly clamp the stainless steel pipe 10 when fixing the stainless steel pipe 10, resulting in poor stability of the stainless steel pipe 10. The clamping component is only suitable for one specification of stainless steel pipe 10. Therefore, the present device only clamps and cuts one specification of stainless steel pipe 10. When clamping the stainless steel pipe 10, the stainless steel pipe 10 is placed on two placement racks 8, and the cutting part of the stainless steel pipe 10 is placed on the two placement racks 8. Below the cutting knife 602, the two electric telescopic rods 9 are controlled by the PLC controller 3 to operate. The action rods on the two electric telescopic rods 9 push the two movable plates 901 to move relative to each other synchronously. The two movable plates 901 drive the two fixed plates 904 thereon to move relative to each other synchronously. The two fixed plates 904 drive the two rotating rods 905 to move relative to each other synchronously. The two rotating rods 905 drive the four guide wheels 906 to move relative to each other synchronously, so that the eight guide wheels 906 contact the side walls of the stainless steel pipe 10 and limit the stainless steel pipe 10. During the cutting process, when the stainless steel pipe 10 is driven to rotate, the first motor 908 is operated to drive one of the rotating rods 905 to rotate. A rotating rod 905 drives the two guide wheels 906 on it to rotate, and the two guide wheels 906 push the stainless steel tube 10 to rotate stably between the eight guide wheels 906, thereby driving the stainless steel tube 10 to rotate stably in a circular manner; the functions of this clamping assembly are: first, the stainless steel tube 10 is limited within four points, and the stainless steel tube 10 is in a stable state in the vertical direction, preventing the cutting vibration from causing the stainless steel tube 10 to shift; second, the clamping force of the eight guide wheels 906 is evenly distributed, thereby achieving uniform limitation of the stainless steel tube 10 and preventing the stainless steel tube 10 from deformation; third, the eight guide wheels 906 are symmetrically arranged at both ends of the cutting point to avoid chip accumulation interfering with positioning.

[0020] Working principle: when the existing cutting device fixes the stainless steel pipe 10, it is difficult to uniformly clamp the stainless steel pipe 10, resulting in poor stability of the stainless steel pipe 10. The clamping component is only suitable for one specification of stainless steel pipe 10. Therefore, this device only clamps and cuts one specification of stainless steel pipe 10. When clamping the stainless steel pipe 10, the stainless steel pipe 10 is placed on two placement racks 8, and the cutting part of the stainless steel pipe 10 is placed under the cutting knife 602. Then, the two electric telescopic rods 9 are controlled by the PLC controller 3 to operate. The action rods on the two electric telescopic rods 9 push the two movable plates 901 to move relative to each other synchronously. The two movable plates 901 drive the two fixed plates 904 thereon to move relative to each other synchronously. The two fixed plates 904 drive the two rotating rods 905 to move relative to each other synchronously. The two rotating rods 905 drive the four guide wheels 906 to move relative to each other synchronously, so that the eight guide wheels 906 contacts the side wall of the stainless steel tube 10 and limits the stainless steel tube 10; during the cutting process, when the stainless steel tube 10 is driven to rotate, the first motor 908 is operated to drive one of the rotating rods 905 to rotate, and one of the rotating rods 905 drives the two guide wheels 906 thereon to rotate, and the two guide wheels 906 push the stainless steel tube 10 to rotate stably between the eight guide wheels 906, thereby driving the stainless steel tube 10 to rotate stably in a circular manner; the functions of this clamping assembly are: first, the stainless steel tube 10 is limited within four points, and the stainless steel tube 10 is in a stable state in the vertical direction, preventing the stainless steel tube 10 from being offset due to cutting vibration; second, the clamping force of the eight guide wheels 906 is evenly distributed, thereby achieving uniform limitation of the stainless steel tube 10, and preventing the stainless steel tube 10 from being deformed; third, the eight guide wheels 906 are symmetrically arranged at both ends of the cutting position to avoid chip accumulation interfering with positioning; When the existing cutting device cuts the stainless steel pipe 10, due to the high cutting temperature and strong affinity between the material and the tool, chips easily stick to the tool, which in turn causes the tool edge to break, resulting in severe tool wear. Since it is difficult to effectively suppress the chips sticking to the tool, the protection of the cutting knife 602 is poor. Through the operation of the hydraulic cylinder 4, the action rod on it drives the vibration assembly and the cutting assembly to move vertically downward. At the same time, the drive motor 601 in the cutting assembly operates, driving the cutting knife 602 to rotate at high speed, and cooperating with the guide wheel 906 in the clamping assembly to push the stainless steel pipe 10 to rotate stably in a circular manner, thereby achieving circular cutting of the stainless steel pipe 10. During this process, cutting heat is generated at the cutting point between the cutting blade 602 and the stainless steel tube 10, causing the chip temperature to be high, which may reach above 800°C. Moreover, due to the strong affinity between the chips and the cutting blade 602, the chips may easily be welded to the cutting blade 602. Since the cutting blade 602 is a carbide-coated tool, the provision of the square groove 606 does not affect the hardness and strength of the cutting blade 602. The vibration component shortens the chip length, and the cooling component guides the chip discharge. However, neither can prevent the chips from sticking to the blade. By specially providing the square groove 606 in the cutting blade 602, high-temperature chips are guided into the square groove 606 after they are generated, thereby achieving forced chip breaking. This structure can reduce the situation where chips stick to the surface of the cutting edge 604, effectively solving the problem of adhesive wear of the cutting blade 602, and helping to improve the protection of the cutting blade 602. When cutting the stainless steel pipe 10, the vibration component operates synchronously. The ultrasonic generator 504 is of the Sonics HPS2000 model, the transducer 505 is of the PZT-8 model, and the horn 506 is of the titanium alloy stepped structure and the model is Branson 2000X-TC4. The function of the horn 506 is to achieve amplitude amplification through the gradual step-type cross-sectional area. The vibration component operates, that is, the ultrasonic generator 504 sends a high-frequency electrical signal to the transducer 505, and the transducer 505 converts the high-frequency electrical signal into mechanical vibration. Then, the horn 506 amplifies the amplitude and acts on the vibration seat 501. The vibration seat 501 vibrates stably on the connecting seat 5. The connecting seat 5 drives the protective cover 6 to perform high-frequency micro-vibration. The protective cover 6 drives the cutting knife 602 to perform high-frequency micro-vibration. That is, the cutting knife 602 superimposes 20kHz sinusoidal vibration in the cutting direction. The amplitude fluctuation of the cutting edge 604 is less than ±0.2μm, forming intermittent cutting. First, it can effectively reduce the average cutting force. The work hardening is suppressed, and the high-rigidity tool is prevented from damaging the wall of the stainless steel pipe 10, thereby protecting the wall of the stainless steel pipe 10 and reducing the wear of the cutting knife 602. Secondly, the burrs are reduced, which can promote the reduction of chip length to 1-3 mm. Thirdly, the contact time between the cutting knife 602 and the stainless steel pipe 10 can be reduced, providing time for cooling and promoting the improvement of the cooling effect. When the vibration component and the cutting component are in operation, the cooling component is operated synchronously. By placing the nozzle 702 on the mounting seat 7, and then aligning the nozzle 703 with the cutting area of the cutting knife 602, and finally turning the knob 701 and tightening the positioning screw, the positioning screw locks the nozzle 702, thereby achieving the fixed installation of the nozzle 702. When the cooling component is operating, cooling water is introduced into the water inlet pipe 706. The model of the water pump 705 is ZW20-10-20. Then the water pump 705 introduces the cooling water into the water pipe 704. Then, the water is introduced from the water pipe 704 to the two nozzles 702 respectively, and finally sprayed out from the two nozzles 703. The cooling water sprayed from the two nozzles 703 fully cools the cutting area of the cutting knife 602. Through sufficient cooling, first, the cutting temperature can be reduced, and the wear rate of the cutting knife 602 can be slowed down. Second, the stainless steel pipe 10 can be prevented from being thermally deformed and out of size. Third, the chips can be guided for discharge, the chip adhesion can be reduced, and the stainless steel chips can be reduced from being welded to the cutting edge 604, causing chip breakage.

[0021] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A stainless steel workpiece cutting device, characterized in that: The invention comprises a base (1), a support frame (2) is mounted on the base (1), a PLC controller (3) is mounted on the side wall of the support frame (2), a hydraulic cylinder (4) is mounted on the support frame (2), a vibration component is mounted on the action rod of the hydraulic cylinder (4), and a cutting component is mounted on the vibration component. The cutting assembly comprises a protective cover (6), a driving motor (601) is mounted on a side wall of the protective cover (6) via a machine base, a rotating shaft is mounted on an output shaft of the driving motor (601) via a coupling, a cutting knife (602) is fixedly sleeved on the rotating shaft, the cutting knife (602) is rotatably mounted on the protective cover (6) via the rotating shaft, an assembly hole (603) is provided on the cutting knife (602), the assembly hole (603) is fixedly connected to the rotating shaft, a cutting blade portion (604) is provided on the cutting blade portion (604), a ladder-shaped flat tooth (605) is provided on the cutting blade portion (604), and a square groove (606) is provided between two ladder-shaped flat teeth (605) on the cutting blade portion (604).

2. The stainless steel workpiece cutting device according to claim 1, characterized in that: The vibration assembly comprises a connecting seat (5), a vibration seat (501) is slidably connected to the connecting seat (5), two lifting grooves (502) are symmetrically provided in the vibration seat (501), a lifting block (503) is assembled in the lifting groove (502), and the lifting block (503) is fixedly connected to the inner wall of the connecting seat (5).

3. The stainless steel workpiece cutting device according to claim 1, characterized in that: An ultrasonic generator (504) is installed on the base (1), and the ultrasonic generator (504) is connected to the PLC controller (3) via an internal circuit.

4. The stainless steel workpiece cutting device according to claim 2, characterized in that: A transducer (505) is fixedly mounted on the connecting seat (5), the transducer (505) being connected to the ultrasonic generator (504) via an internal circuit, a variable amplitude rod (506) being fixedly connected to the transducer (505), the bottom side of the variable amplitude rod (506) being fixedly connected to the vibration seat (501), and the vibration seat (501) being fixedly connected to the protective cover (6).

5. The stainless steel workpiece cutting device according to claim 1, characterized in that: A cooling assembly is mounted on the protective cover (6), and the cooling assembly includes two mounting seats (7). The two mounting seats (7) are symmetrically mounted on the side wall of the protective cover (6). A threaded hole is provided on the side wall of the mounting seat (7), and a positioning screw is installed in the threaded hole. A knob (701) is mounted on the positioning screw.

6. The stainless steel workpiece cutting device according to claim 5, characterized in that: A nozzle (702) is placed in the mounting seat (7), a nozzle (703) is installed on the bottom side of the nozzle (702), a water guide pipe (704) is installed on the nozzle (702), the other end of the water guide pipe (704) is connected to a water pump (705), a water inlet pipe (706) is installed on the water pump (705), and the water pump (705) is fixedly mounted on the support frame (2).

7. The stainless steel workpiece cutting device according to claim 1, characterized in that: Two placement racks (8) are installed on the base (1), a debris trough (801) is provided between the two placement racks (8), and a stainless steel pipe (10) is placed on the placement racks (8).

8. The stainless steel workpiece cutting device according to claim 1, characterized in that: A clamping assembly is installed on the base (1), and the clamping assembly includes two electric telescopic rods (9). The outer shell of the electric telescopic rod (9) is a protective structure. A movable plate (901) is installed on the action rod of the electric telescopic rod (9). Two movable grooves (902) are symmetrically opened on the base (1). A movable block (903) is assembled in the movable groove (902). The movable block (903) is fixedly connected to the movable plate (901).

9. The stainless steel workpiece cutting device according to claim 8, characterized in that: Two fixed plates (904) are mounted on the movable plate (901), two rotating rods (905) are rotatably mounted on the two fixed plates (904), two guide wheels (906) are fixedly sleeved on the rotating rods (905), a protective shell (907) is mounted on the side wall of one of the fixed plates (904), a first motor (908) is mounted in the protective shell (907), and an output shaft of the first motor (908) is fixedly connected to one of the rotating rods (905).

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