CN111500827A - High-frequency quenching process method for slender inner hole - Google Patents
High-frequency quenching process method for slender inner hole Download PDFInfo
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- CN111500827A CN111500827A CN202010402324.3A CN202010402324A CN111500827A CN 111500827 A CN111500827 A CN 111500827A CN 202010402324 A CN202010402324 A CN 202010402324A CN 111500827 A CN111500827 A CN 111500827A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C21D9/0025—Supports; Baskets; Containers; Covers
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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Abstract
The invention discloses a high-frequency quenching process method for a slender inner hole, relates to the technical field of high-frequency quenching, and aims to solve the problem that when a part with a longer inner hole is processed by the conventional high-frequency quenching process, the outer wall of the part is easy to deform due to uneven cooling. Electric guide rail is installed to one side of equipment frame inner wall, and the inner wall fixed connection of electric guide rail and equipment frame, the internally mounted of electric guide rail has ball screw, ball screw's one end runs through and extends to electric guide rail's outside, and installs servo motor, servo motor's output and ball screw transmission are connected, ball screw's internally mounted has the slider, one side of slider is provided with the rotary mechanism casing, the rotary mechanism casing passes through support frame and slider fixed connection, the mo formula toper chuck is installed to the upper end of rotary mechanism casing, install T shape handle on the outer wall of mo formula toper chuck.
Description
Technical Field
The invention relates to the technical field of high-frequency quenching, in particular to a long and thin inner hole high-frequency quenching process method.
Background
The high-frequency quenching is mostly used for surface quenching of industrial metal parts, and is a metal heat treatment method which enables the surface of a workpiece to generate certain induced current, quickly heats the surface of the part and then quickly quenches the part. Induction heating equipment, that is, equipment for induction heating a workpiece to perform surface quenching. Principle of induction heating: the workpiece is placed in an inductor, which is typically a hollow copper tube into which medium or high frequency ac power is input. The alternating magnetic field is generated to generate induced current with the same frequency in the workpiece, the induced current is non-uniform in distribution on the workpiece, strong on the surface and weak in the inner part and close to 0 in the center part, the skin effect is utilized to rapidly heat the surface of the workpiece, the temperature of the inner surface rises to 800-.
However, when a part with a long inner hole is processed by the existing high-frequency quenching process, the outer wall of the part is easy to deform due to uneven cooling; therefore, the existing requirements are not met, and a slender inner hole high-frequency quenching process method is provided for the method.
Disclosure of Invention
The invention aims to provide a high-frequency quenching process method for a slender inner hole, which aims to solve the problem that the outer wall of the existing high-frequency quenching process is easy to deform due to uneven temperature reduction when a part with a longer inner hole is processed.
In order to achieve the purpose, the invention provides the following technical scheme: a high-frequency quenching process method for an elongated inner hole comprises the following steps:
the method comprises the following steps: placing a long and thin inner hole workpiece to be processed on a Mooney conical clamping head at the upper end of a shell of the rotating mechanism, and locking the clamping head by utilizing a T-shaped handle to fix the workpiece;
step two: the first telescopic cylinder on the outer wall of the center frame is driven to enable the pressing wheel at the output end of the first telescopic cylinder to stretch and contract and to be tightly attached to the outer wall of the workpiece, and the workpiece is further clamped to keep the workpiece from jumping in the rotating process;
step three: starting the electric guide rail to drive the clamping rotating mechanism on the sliding block to move upwards, so that the inner hole part of the workpiece penetrates through the hollow induction heating coil, and the hollow induction heating coil is arranged in the hole;
step four: the high-frequency induction heating machine is driven, the hollow induction heating coil is used for high-frequency heating in the hole, and the micro motor in the shell of the rotating mechanism is started while heating, so that the micro motor drives the Mohs-type conical chuck and the workpiece in the chuck to rotate by using the gear meshing mechanism, and the interior of the workpiece can be fully heated and quenched;
step five: after heating, starting a cooling system of the high-frequency induction heating machine, leading water in a stainless steel water tank into a hollow induction heating coil by using a submersible pump, cooling the coil to avoid deformation, spraying water flow to the inner wall of an inner hole through a water spraying ring communicated with the lower end of the hollow induction heating coil, cooling a quenching surface of a workpiece, and driving the workpiece and a clamping and rotating mechanism to move downwards to reset while cooling by using an electric guide rail so that the inner wall of the workpiece can be fully contacted with the water flow;
step six: and reversely rotating the T-shaped handle to unlock the Mooney conical chuck, and taking out the workpiece to finish unloading.
Preferably, the size of the workpiece in the first step is equal to or less than 25mm, the length is equal to or more than 150mm, and the thickness of the thin wall is less than 4 mm.
Preferably, in the fifth step, the workpiece is rotated, the external water pump on one side of the stainless steel water tank is driven, water in the water tank is guided into the nozzle along the water delivery hose by the external water pump, the nozzle sprays the water to the outer wall of the workpiece, the phenomenon that the internal quenching temperature is too high and the water is deformed due to conduction to the outside of the workpiece is avoided, the upper end of the nozzle and the second telescopic cylinder can move up and down under the telescopic action of the cylinder during spraying, and the outer wall of the workpiece can be uniformly cooled.
Preferably, the device for the high-frequency quenching process method of the long and thin inner hole comprises an equipment frame, wherein an electric guide rail is arranged on one side of the inner wall of the equipment frame and is fixedly connected with the inner wall of the equipment frame, a ball screw is arranged inside the electric guide rail, one end of the ball screw penetrates through and extends to the outside of the electric guide rail and is provided with a servo motor, the output end of the servo motor is in transmission connection with the ball screw, a sliding block is arranged inside the ball screw, a rotating mechanism shell is arranged on one side of the sliding block and is fixedly connected with the sliding block through a supporting frame, a Momo-type conical chuck is arranged at the upper end of the rotating mechanism shell, a T-shaped handle is arranged on the outer wall of the Momo-type conical chuck, and the lower end of the Momo-type conical chuck penetrates, a transmission rod is installed, a gear is fixedly installed at one end of the transmission rod, a micro motor is installed at one side of the gear, a rack is installed at the output end of the micro motor, the output end of the micro motor is in transmission connection with the gear through the rack, a center frame is arranged at the upper end of the Morse type conical chuck and is fixedly connected with a rotating mechanism shell through a support, a control cabinet installation position is arranged below the interior of the equipment frame, a first support plate is arranged above the control cabinet installation position and is in welding connection with the equipment frame, a stainless steel water tank is installed on the upper surface of the first support plate, an observation window is arranged at the front end of the stainless steel water tank, a water injection port is arranged at the upper end of the stainless steel water tank, a submersible pump is installed inside the stainless steel water tank, and an external water pump is installed at one side of the stainless, a second supporting plate is arranged above the stainless steel water tank and is welded with the equipment frame, a high-frequency induction heating machine is arranged on the upper surface of the second supporting plate, a control panel is arranged at the front end of the high-frequency induction heating machine, two induction coil interfaces are arranged at the lower end of the control panel, a hollow induction heating coil is arranged on each induction coil interface, a water spray ring is arranged at the lower end of the hollow induction heating coil and is communicated with the hollow induction heating coil, a main power supply interface is arranged at the rear end of the high-frequency induction heating machine, a heat radiation fan and a power switch are arranged at the upper end of the main power supply interface, a fuse is arranged on one side of the main power supply interface, a grounding bolt is arranged at the lower end of the other side of the main power supply interface, and a water inlet pipe and a water return pipe are arranged at the lower end, the high-frequency induction heating device is characterized in that a cylinder retainer is installed on one side of the high-frequency induction heating machine, a second telescopic cylinder is installed on the outer wall of the cylinder retainer, a nozzle seat is installed on the output end of the second telescopic cylinder, the upper end of the nozzle seat is fixedly connected with the output end of the second telescopic cylinder, a nozzle is installed on one side of the nozzle seat, and the nozzle is in threaded connection with the nozzle seat.
Preferably, one end of the water return pipe is communicated with the stainless steel water tank, and one end of the water inlet pipe penetrates through and extends into the stainless steel water tank and is communicated with a water outlet of the submersible pump.
Preferably, the external water pump is communicated with the nozzle on the nozzle base through a water delivery hose.
Preferably, install first telescopic cylinder on the outer wall of centre frame, and first telescopic cylinder is provided with threely, the output of first telescopic cylinder runs through and extends to the inside of centre frame, and installs the gyro wheel frame on the output of first telescopic cylinder, the internally mounted of gyro wheel frame has the pinch roller.
Preferably, the outer wall of the water spraying ring is provided with a plurality of spray holes which are uniformly distributed around the outer wall of the water spraying ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the external water pump, the water delivery hose and the nozzle, when the inner hole of the workpiece is quenched, the external water pump can guide water in the water tank into the nozzle along the water delivery hose, so that the nozzle sprays the water to the outer wall of the workpiece, and the phenomenon that the quenching temperature in the hole is too high and the water is transmitted to the outside of the workpiece to cause deformation of the workpiece is avoided.
2. Through fixing the nozzle on the nozzle base of second telescopic cylinder lower extreme, the telescopic action that the second telescopic cylinder can utilize the output when spraying drives the nozzle and reciprocates for under the longer condition of processing work piece, the outer wall also can be to abundant cooling, avoid deformation.
3. Through being fixed in the work piece on pressing from both sides tight rotary mechanism for the work piece can rely on micro motor's gear engagement mechanism rotatory when processing, lets the inside quenching that can fully be heated of work piece on the one hand, improves quenching efficiency, and on the other hand makes outside nozzle also can carry out abundant even spraying to the outer wall at the fixed point, has guaranteed outside cooling effect.
4. The center frame is arranged above the clamping and rotating mechanism, the first telescopic cylinder on the outer wall of the center frame is driven, the pressing wheel at one end of the telescopic rod can be driven to stretch and contract and is tightly attached to the outer wall of a workpiece, and the workpiece is further clamped so as to keep the workpiece not to jump in the rotating process.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the clamping and rotating mechanism of the present invention;
FIG. 3 is a partial structural view of the center frame of the present invention;
FIG. 4 is an enlarged view of a portion of the present invention at A;
FIG. 5 is an enlarged view of a portion of the present invention at B;
FIG. 6 is a schematic view showing a back side structure of the high frequency induction heating machine and the water tank according to the present invention;
in the figure: 1. an equipment frame; 2. an electric rail; 3. a ball screw; 4. a servo motor; 5. a slider; 6. a control cabinet mounting position; 7. a support frame; 8. rotating the mechanism housing; 9. a Moire cone chuck; 10. a center frame; 101. a first telescopic cylinder; 11. a first support plate; 12. a stainless steel water tank; 13. a water injection port; 14. an observation window; 15. a second support plate; 16. a cylinder holder; 17. a second telescopic cylinder; 18. an external water pump; 19. a water delivery hose; 20. a high-frequency induction heater; 21. a control panel; 22. a T-shaped handle; 23. a support; 24. a transmission rod; 25. a gear; 26. a micro motor; 27. a rack; 28. a roller frame; 29. a pinch roller; 30. an induction coil interface; 31. a hollow induction heating coil; 32. a water spray ring; 33. spraying a hole; 34. a nozzle base; 35. a nozzle; 36. a main power supply interface; 37. a fuse; 38. a power switch; 39. a heat radiation fan; 40. a water inlet pipe; 41. a water return pipe; 42. a submersible pump; 43. and a grounding bolt.
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. 1-6, an embodiment of the present invention is shown: a high-frequency quenching process method for an elongated inner hole comprises the following steps:
the method comprises the following steps: placing a long and thin inner hole workpiece to be processed on a Mooney conical chuck 9 at the upper end of a shell 8 of a rotating mechanism, and locking the chuck by using a T-shaped handle 22 to fix the workpiece;
step two: the first telescopic cylinder 101 on the outer wall of the center frame 10 is driven to enable the pinch roller 29 at the output end of the first telescopic cylinder 101 to stretch and contract and tightly attach to the outer wall of the workpiece, and the workpiece is further clamped to keep the workpiece from jumping in the rotating process;
step three: starting the electric guide rail 2 to drive the clamping rotating mechanism on the slide block 5 to move upwards, so that the inner hole part of the workpiece passes through the hollow induction heating coil 31, and the hollow induction heating coil 31 is arranged in the hole;
step four: the high-frequency induction heating machine 20 is driven, the hollow induction heating coil 31 is used for high-frequency heating in the hole, and the micro motor 26 in the rotating mechanism shell 8 is started while heating, so that the micro motor drives the Mohs-type conical chuck 9 and the workpiece in the chuck to rotate by using the gear 25 meshing mechanism, and the interior of the workpiece can be fully heated and quenched;
step five: after heating, starting a cooling system of the high-frequency induction heating machine 20, leading water in a stainless steel water tank 12 into a hollow induction heating coil 31 by using a submersible pump 42, cooling the coil to avoid deformation, spraying water flow to the inner wall of an inner hole through a water spraying ring 32 communicated with the lower end of the hollow induction heating coil 31, cooling the quenching surface of a workpiece, and simultaneously, driving the workpiece and a clamping rotating mechanism to move downwards to reset by an electric guide rail 2 so that the inner wall of the workpiece can be fully contacted with the water flow;
step six: and reversely rotating the T-shaped handle 22 to unlock the Mooney conical chuck 9, and taking out the workpiece to finish unloading.
Furthermore, the size of the workpiece in the step one is required to meet the requirements that the inner hole is less than or equal to 25mm, the length is greater than or equal to 150mm, and the thickness of the thin wall is less than 4 mm.
Further, in the fifth step, the workpiece is rotated, meanwhile, the external water pump 18 on one side of the stainless steel water tank 12 is driven, water in the water tank is guided into the nozzle 35 along the water delivery hose 19 by the external water pump 18, the nozzle 35 sprays the water to the outer wall of the workpiece, the phenomenon that the internal quenching temperature is too high and the deformation is caused when the internal quenching temperature is conducted to the outside of the workpiece is avoided, the upper end of the nozzle 35 and the second telescopic cylinder 17 can move up and down under the telescopic action of the cylinder during spraying, and the outer wall of the workpiece can be uniformly cooled.
Further, the device for the high-frequency quenching process method of the slender inner hole comprises an equipment frame 1, wherein one side of the inner wall of the equipment frame 1 is provided with an electric guide rail 2, the electric guide rail 2 is fixedly connected with the inner wall of the equipment frame 1, a ball screw 3 is arranged inside the electric guide rail 2, one end of the ball screw 3 penetrates through and extends to the outside of the electric guide rail 2, a servo motor 4 is arranged, the output end of the servo motor 4 is in transmission connection with the ball screw 3, a sliding block 5 is arranged inside the ball screw 3, one side of the sliding block 5 is provided with a rotating mechanism shell 8, the rotating mechanism shell 8 is fixedly connected with the sliding block 5 through a support frame 7, the upper end of the rotating mechanism shell 8 is provided with a Moire type conical chuck 9, the outer wall of the Moire type conical chuck 9 is provided with a T-shaped handle 22, the lower, a transmission rod 24 is installed, a gear 25 is installed and fixed at one end of the transmission rod 24, a micro motor 26 is installed at one side of the gear 25, a rack 27 is installed at the output end of the micro motor 26, the output end of the micro motor 26 is in transmission connection with the gear 25 through the rack 27, a center frame 10 is arranged at the upper end of a morse type conical chuck 9, the center frame 10 is fixedly connected with a rotating mechanism shell 8 through a bracket 23, a control cabinet installation position 6 is arranged below the inside of an equipment frame 1, a first support plate 11 is arranged above the control cabinet installation position 6, the first support plate 11 is in welding connection with the equipment frame 1, a stainless steel water tank 12 is installed on the upper surface of the first support plate 11, an observation window 14 is arranged at the front end of the stainless steel water tank 12, a water injection port 13 is arranged at the upper end of the stainless steel water tank 12, a submersible pump 42 is installed inside the stainless, a second support plate 15 is arranged above the stainless steel water tank 12, the second support plate 15 is welded with the equipment frame 1, the upper surface of the second support plate 15 is provided with a high-frequency induction heating machine 20, the front end of the high-frequency induction heating machine 20 is provided with a control panel 21, the lower end of the control panel 21 is provided with two induction coil interfaces 30, the induction coil interfaces 30 are provided with two hollow induction heating coils 31, the lower ends of the hollow induction heating coils 31 are provided with water spray rings 32, the water spray rings 32 are communicated with the hollow induction heating coils 31, the rear end of the high-frequency induction heating machine 20 is provided with a main power supply interface 36, the upper end of the main power supply interface 36 is provided with a heat radiation fan 39 and a power supply switch 38, one side of the main power supply interface 36 is provided with a fuse 37, the lower end of the other side of the main power supply interface 36 is provided with a grounding bolt 43, the, the high-frequency induction heating machine 20 is provided with a cylinder holder 16 at one side, a second telescopic cylinder 17 is arranged on the outer wall of the cylinder holder 16, a nozzle seat 34 is arranged at the output end of the second telescopic cylinder 17, the upper end of the nozzle seat 34 is fixedly connected with the output end of the second telescopic cylinder 17, a nozzle 35 is arranged at one side of the nozzle seat 34, and the nozzle 35 is in threaded connection with the nozzle seat 34.
Further, one end of the water return pipe 41 is communicated with the stainless steel water tank 12, and one end of the water inlet pipe 40 penetrates and extends into the stainless steel water tank 12 and is communicated with the water outlet of the submersible pump 42.
Further, the external water pump 18 is communicated with the nozzle 35 on the nozzle seat 34 through the water delivery hose 19.
Further, the outer wall of the center frame 10 is provided with three first telescopic cylinders 101, the output end of each first telescopic cylinder 101 penetrates through and extends to the inside of the center frame 10, the output end of each first telescopic cylinder 101 is provided with a roller frame 28, and the inside of each roller frame 28 is provided with a pinch roller 29.
Furthermore, the outer wall of the water spray ring 32 is provided with a plurality of spray holes 33, and the spray holes 33 are uniformly distributed around the outer wall of the water spray ring 32.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A high-frequency quenching process method for a slender inner hole is characterized by comprising the following steps:
the method comprises the following steps: placing a long and thin inner hole workpiece to be processed on a Mooney conical chuck (9) at the upper end of a shell (8) of a rotating mechanism, and locking the chuck by using a T-shaped handle (22) to fix the workpiece;
step two: a first telescopic cylinder (101) on the outer wall of the driving center frame (10) enables a pressing wheel (29) at the output end of the first telescopic cylinder (101) to be telescopic and tightly attached to the outer wall of a workpiece, and the workpiece is further clamped to keep the workpiece from jumping in the rotating process;
step three: starting the electric guide rail (2) to drive the clamping rotating mechanism on the sliding block (5) to move upwards, so that the inner hole part of the workpiece penetrates through the hollow induction heating coil (31), and the hollow induction heating coil (31) is arranged in the hole;
step four: the high-frequency induction heating machine (20) is driven, a hollow induction heating coil (31) is used for high-frequency heating in the hole, and a micro motor (26) in the rotating mechanism shell (8) is started while heating, so that the micro motor drives a Moire type conical chuck (9) and a workpiece in the chuck to rotate by using a gear (25) meshing mechanism, and the interior of the workpiece can be fully heated and quenched;
step five: after heating, starting a cooling system of the high-frequency induction heating machine (20), leading water in a stainless steel water tank (12) into a hollow induction heating coil (31) by using a submersible pump (42), cooling the coil to avoid deformation, spraying water flow to the inner wall of an inner hole through a water spraying ring (32) communicated with the lower end of the hollow induction heating coil (31), cooling the quenching surface of a workpiece, and driving the workpiece and a clamping rotating mechanism to move downwards to reset by an electric guide rail (2) while cooling so that the inner wall of the workpiece can be fully contacted with the water flow;
step six: and reversely rotating the T-shaped handle (22) to unlock the Mooney conical chuck (9), and taking out the workpiece to finish unloading.
2. The high-frequency quenching process method for the slender inner hole as claimed in claim 1, wherein the high-frequency quenching process method comprises the following steps: the size of the workpiece in the first step is required to meet the requirements that the inner hole is less than or equal to 25mm, the length is greater than or equal to 150mm, and the thickness of the thin wall is less than 4 mm.
3. The high-frequency quenching process method for the slender inner hole as claimed in claim 1, wherein the high-frequency quenching process method comprises the following steps: in the fifth step, when the workpiece rotates, the external water pump (18) on one side of the stainless steel water tank (12) is driven, water in the water tank is guided into the nozzle (35) along the water delivery hose (19) by the external water pump (18), the nozzle (35) sprays the water to the outer wall of the workpiece, the phenomenon that the internal quenching temperature is too high and the water is conducted to the outside of the workpiece to cause deformation is avoided, the upper end of the nozzle (35) and the second telescopic cylinder (17) can move up and down under the telescopic action of the cylinder during spraying, and the outer wall of the workpiece can be uniformly cooled.
4. An apparatus for a high-frequency quenching process of an elongated inner hole comprises an equipment frame (1), and is characterized in that: the electric guide rail (2) is installed on one side of the inner wall of the equipment frame (1), the electric guide rail (2) is fixedly connected with the inner wall of the equipment frame (1), a ball screw (3) is installed inside the electric guide rail (2), one end of the ball screw (3) penetrates through and extends to the outside of the electric guide rail (2), a servo motor (4) is installed, the output end of the servo motor (4) is in transmission connection with the ball screw (3), a sliding block (5) is installed inside the ball screw (3), a rotating mechanism shell (8) is arranged on one side of the sliding block (5), the rotating mechanism shell (8) is fixedly connected with the sliding block (5) through a supporting frame (7), a Morse type conical chuck (9) is installed at the upper end of the rotating mechanism shell (8), and a T-shaped handle (22) is installed on the outer wall of the Morse conical chuck (9), the lower end of the Mohs type conical chuck (9) penetrates through and extends into the rotating mechanism shell (8), a transmission rod (24) is installed, a gear (25) is installed and fixed at one end of the transmission rod (24), a micro motor (26) is installed on one side of the gear (25), a rack (27) is installed at the output end of the micro motor (26), the output end of the micro motor (26) is in transmission connection with the gear (25) through the rack (27), a center frame (10) is arranged at the upper end of the Mohs type conical chuck (9), the center frame (10) is fixedly connected with the rotating mechanism shell (8) through a support (23), a control cabinet installation position (6) is arranged below the inner part of the equipment frame (1), a first support plate (11) is arranged above the control cabinet installation position (6), and the first support plate (11) is in welding connection with the equipment frame (1), the device is characterized in that a stainless steel water tank (12) is mounted on the upper surface of the first supporting plate (11), an observation window (14) is arranged at the front end of the stainless steel water tank (12), a water filling port (13) is arranged at the upper end of the stainless steel water tank (12), a submersible pump (42) is mounted inside the stainless steel water tank (12), an external water pump (18) is mounted on one side of the stainless steel water tank (12), a second supporting plate (15) is arranged above the stainless steel water tank (12), the second supporting plate (15) is connected with an equipment frame (1) in a welding mode, a high-frequency induction heating machine (20) is mounted on the upper surface of the second supporting plate (15), a control panel (21) is arranged at the front end of the high-frequency induction heating machine (20), induction coil interfaces (30) are arranged at the lower end of the control panel (21), and two induction coil interfaces (, install cavity induction heating coil (31) on induction coil interface (30), water spray ring (32) is installed to the lower extreme of cavity induction heating coil (31), and water spray ring (32) is linked together with cavity induction heating coil (31), total power source (36) is installed to the rear end of high frequency induction heating machine (20), radiator fan (39) and switch (38) are installed to the upper end of total power source (36), one side of total power source (36) is provided with fuse (37), the lower extreme of total power source (36) opposite side is provided with earth bolt (43), inlet tube (40) and wet return (41) are installed to the lower extreme of total power source (36), cylinder holder (16) is installed to one side of high frequency induction heating machine (20), install second telescopic cylinder (17) on the outer wall of cylinder holder (16), the spray nozzle structure is characterized in that a spray nozzle base (34) is installed on the output end of the second telescopic cylinder (17), the upper end of the spray nozzle base (34) is fixedly connected with the output end of the second telescopic cylinder (17), a spray nozzle (35) is installed on one side of the spray nozzle base (34), and the spray nozzle (35) is in threaded connection with the spray nozzle base (34).
5. The device for the high-frequency quenching process method of the slender hole as claimed in claim 4, wherein the device comprises the following steps: one end of the water return pipe (41) is communicated with the stainless steel water tank (12), and one end of the water inlet pipe (40) penetrates through and extends into the stainless steel water tank (12) and is communicated with a water outlet of the submersible pump (42).
6. The device for the high-frequency quenching process method of the slender hole as claimed in claim 4, wherein the device comprises the following steps: the external water pump (18) is communicated with a nozzle (35) on the nozzle seat (34) through a water delivery hose (19).
7. The device for the high-frequency quenching process method of the slender hole as claimed in claim 4, wherein the device comprises the following steps: install first telescopic cylinder (101) on the outer wall of centre frame (10), and first telescopic cylinder (101) are provided with threely, the output of first telescopic cylinder (101) runs through and extends to the inside of centre frame (10), and installs gyro wheel frame (28) on the output of first telescopic cylinder (101), the internally mounted of gyro wheel frame (28) has pinch roller (29).
8. The device for the high-frequency quenching process method of the slender hole as claimed in claim 4, wherein the device comprises the following steps: the outer wall of the water spraying ring (32) is provided with a plurality of spray holes (33), and the spray holes (33) are uniformly distributed around the outer wall of the water spraying ring (32).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114762874A (en) * | 2021-01-13 | 2022-07-19 | 丰田自动车株式会社 | Forming method |
| CN115725828A (en) * | 2022-11-28 | 2023-03-03 | 山东台稳精密机械有限公司 | Slider induction heat treatment processing technology |
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| CN201785453U (en) * | 2010-08-23 | 2011-04-06 | 荆州市九菱科技有限公司 | Suspension type inner gear ring high-frequency quenching machine |
| CN108130409A (en) * | 2018-02-01 | 2018-06-08 | 株洲市湘宁高中频设备有限责任公司 | A kind of columnar workpiece inner hole quenching device and its equipment |
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| US6024913A (en) * | 1998-02-03 | 2000-02-15 | Neturen Co., Ltd. | Precision quenching apparatus and method with induction heating |
| CN201785453U (en) * | 2010-08-23 | 2011-04-06 | 荆州市九菱科技有限公司 | Suspension type inner gear ring high-frequency quenching machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111500827B (en) | 2021-11-30 |
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