CN108531704B - Pin shaft quenching method - Google Patents
Pin shaft quenching method Download PDFInfo
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- CN108531704B CN108531704B CN201810652216.4A CN201810652216A CN108531704B CN 108531704 B CN108531704 B CN 108531704B CN 201810652216 A CN201810652216 A CN 201810652216A CN 108531704 B CN108531704 B CN 108531704B
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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
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to the technical field of heat treatment of pin shafts, in particular to a quenching method of pin shafts; the pin shaft quenching method comprises the following steps: the pin shafts to be quenched are put into a storage bin for temporary storage, the pin shafts in the storage bin are sent to a clamping module for clamping one by a feeding module, and then the feeding module returns to an initial position; the transmission module drives the clamping module to drive the pin shaft to rotate, the transmission module horizontally slides on the driving table to enable the pin shaft to be quenched and heated at the heating module, meanwhile, the cooling module sprays water to the pin shaft to cool the pin shaft to finish quenching the pin shaft, the transmission module drives the automatic clamping module to return to an initial position, the automatic clamping module loosens the pin shaft, and the pin shaft automatically falls into the discharging module; the pin shaft quenching method is improved through the pin shaft automatic induction quenching machine, so that the pin shaft is fully automatic in the quenching process, manual operation is not needed, and the pin shaft quenching efficiency and the integral quality of the pin shaft are improved.
Description
Technical Field
The invention relates to the technical field of heat treatment of pin shafts, in particular to a quenching method of pin shafts.
Background
In the chain industry, the pin shaft is widely applied and has large production batch. In order to improve the mechanical strength and the wear resistance of the pin shaft, most of the pin shafts are required to be subjected to induction quenching heat treatment so as to improve the wear resistance of the pin shafts. The traditional mode is to manually clamp and feed one by one in a general vertical quenching machine tool, and perform induction quenching on the single quenching machine tool, so that the production organization mode has low working efficiency, is not easy to realize automation, has high labor intensity of workers, wastes time and labor, and has productivity far lower than the requirement.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a pin shaft quenching method which is mainly used for automatic induction quenching of pin shafts. According to the pin shaft quenching method, the pin shaft quenching method is improved through the pin shaft automatic induction quenching machine, so that pin shafts can be continuously fed to the automatic clamping module one by one in a twice feeding mode before quenching, and the conveying process is continuous and stable; meanwhile, the pin shaft can be automatically clamped and automatically quenched in a rotating manner by the heating module and the cooling module, and is automatically discharged after quenching; the whole process is fully automatic, so that the quenching efficiency of the pin shaft is improved; meanwhile, the pin shaft is subjected to induction quenching in a rotating mode, quenching is uniform, the quenching effect of the pin shaft is improved, and the overall quality of the pin shaft is improved.
The technical scheme adopted for solving the technical problems is as follows: the pin shaft automatic induction quenching machine comprises a discharging module, a storage bin, a feeding module, an automatic clamping module, a transmission module, a heating module and a cooling module, wherein the discharging module is placed on the ground, the discharging module is used for storing the quenched pin shaft, and a driving table is fixedly arranged at the upper part of the discharging module; the driving platform is used for driving the transmission module to drive the automatic clamping module to move towards the heating module; the storage bin is fixed on the feeding module and used for storing the pin shaft before quenching, and a vibration disc is arranged above the storage bin; the vibration disc is used for orderly throwing the disordered pin shafts into the storage bin in a vibration mode; the heating module is positioned at one side of the middle part of the driving table and is used for quenching and heating the pin shaft; the transmission module is positioned at the end part of the driving table and is used for driving the automatic clamping module to rotate; the feeding module is fixed on the driving table and is positioned beside the heating module, and the feeding module is used for conveying the pin shaft in the storage bin to the automatic clamping module; the automatic clamping module is fixed on the transmission module and used for clamping the pin shaft sent by the feeding module; the cooling module is sleeved on the automatic clamping module, is fixedly connected with the feeding module and is used for cooling the heated pin shaft;
the pin shaft quenching method comprises the following steps:
step one: the pin shafts to be quenched in batches are put into a vibration disc, and the pin shafts are automatically sent into a storage bin for temporary storage through vibration of the vibration disc;
step two: the pin shafts in the storage bin are sent to the clamping module one by one to be clamped by the feeding module, and then the feeding module returns to the initial position;
step three: after the pin shaft is clamped by the clamping module in the second step, the transmission module drives the clamping module to drive the pin shaft to rotate, the transmission module horizontally slides on the driving table to enable the pin shaft to be quenched and heated at the heating module, and meanwhile, the cooling module sprays water to the pin shaft to cool the pin shaft to finish quenching of the pin shaft;
step four: after the pin shaft is quenched in the third step, the transmission module drives the automatic clamping module to return to the initial position, the automatic clamping module loosens the pin shaft, and the pin shaft automatically falls into the unloading module;
step five: and after the pin shaft in the fourth step enters the unloading module, repeating the second to fourth steps, and continuing quenching of the next pin shaft.
The unloading module comprises a material frame and a guide groove, wherein the material frame is placed on the ground, the guide groove is segmented, one end of the guide groove is fixed with the transmission module and is positioned at the lower end of the automatic clamping module, and the other end of the guide groove is fixed at the edge of the driving table. During operation, the quenched pin rolls fall into the guide chute and fall into the material frame along the guide chute.
The driving platform comprises a fixing frame, a driving motor, a moving platform, a screw rod and a connecting frame, and the fixing frame is fixed on the unloading module; the mobile station is in sliding connection with the fixed frame; one end of the connecting frame is fixedly connected with the mobile station, and the other end of the connecting frame is fixedly connected with the transmission module; the driving motor is fixed on the fixing frame, and the driving motor drives the screw rod to rotate to drive the movable table to horizontally move, and the movable table moves to drive the transmission module to horizontally move. When the device works, the driving motor drives the screw rod to rotate, the rotating screw rod drives the moving table to move, and the moving table drives the sliding table of the transmission module to move through the connecting frame.
The feeding module comprises a pre-feeding tongue, a pre-feeding cylinder, a feeding tongue, a feeding cylinder, a lifting cylinder and a feeding frame, wherein the feeding frame comprises a lifting frame and a feeding table; the lifting frame is fixed on the driving table, and the feeding table is positioned on the lifting frame; the lifting cylinder is positioned in the lifting frame and is used for driving the feeding table to lift; the feeding tongue is in sliding connection with the feeding table, and a discharging groove is formed in one end of the feeding tongue; the feeding cylinder is positioned at the end part of the feeding tongue and fixedly connected with the feeding table, and drives the feeding tongue to convey the pin shaft; the pre-feeding tongue is positioned above the feeding tongue and is in sliding connection with the feeding table, the pre-feeding cylinder is positioned at the end part of the pre-feeding tongue and is fixedly connected with the feeding table, and the pre-feeding cylinder drives the pre-feeding tongue to drive the pin shaft in the storage bin to be fed into the feeding groove on the feeding tongue; the storage bin is located right above the pre-feeding tongue and is fixedly connected with the feeding table. During operation, the pre-feeding air cylinder drives the pre-feeding tongue to push pins to be quenched in the storage bin into the discharging groove at the end part of the feeding tongue sequentially, the feeding air cylinder pushes the feeding tongue to convey the pins to be quenched to the first positioning chuck and the second positioning chuck, the first positioning chuck and the second positioning chuck automatically clamp the pins, the lifting air cylinder drives the feeding table to descend, the pre-feeding air cylinder drives the pre-feeding tongue to return to the initial position, and the feeding air cylinder drives the feeding tongue to return to the initial position.
The transmission module comprises a stepping motor, a driving shaft base, a driven shaft base and a sliding table, wherein the sliding table is positioned on the driving table and is in sliding connection with the driving table; the driving shaft base and the driven shaft base are separated at two sides of the feeding module, the driving shaft base is fixed at one end of the sliding table, and the driven shaft base is fixed at the other end of the sliding table; the driving shaft is positioned on the driving shaft base and is rotationally connected with the driving shaft base; the stepping motor is positioned at one side of the driving shaft seat and is used for driving the driving shaft to rotate; the driven shaft is positioned on the driven shaft base and is in sliding connection with the driven shaft base. When the device works, the stepping motor drives the driving shaft to rotate, the driving shaft drives the positioning chuck I to rotate, and the positioning chuck I and the positioning chuck II clamp the pin shaft together and enable the pin shaft to rotate; meanwhile, the driving table drives the sliding table to move so that the whole transmission module moves horizontally, the pin shaft moves horizontally along with the transmission module, and the pin shaft is quenched and heated through the induction coil.
The automatic clamping module comprises a first positioning chuck, a second positioning chuck, a coupler and a first cylinder, wherein the first positioning chuck is fixed at the end part of the driving shaft, the second positioning chuck is positioned at the end part of the driven shaft, and the second positioning chuck is rotationally connected with the driven shaft through the coupler; the first cylinder is fixed on the driven shaft base, and the first cylinder is used for driving the driven shaft to slide on the driven shaft base so as to enable the second positioning chuck to move, and the second moving positioning chuck is matched with the first positioning chuck to clamp the pin shaft. When the feeding device works, the first cylinder drives the positioning chuck to move to the first positioning chuck to clamp the pin shaft on the feeding groove of the feeding tongue; the driving shaft drives the first clamping head to rotate, the pin shaft and the second clamping head rotate along with each other, and the pin shaft is evenly quenched and heated by the induction coil.
The heating module comprises an induction coil, a glue wood block and a double-end stud; the double-end stud is fixed on one side of the middle part of the driving table; the bakelite block is fixed on the double-end stud; the induction coil is fixed on the glue wood block, the center of the induction coil is collinear with the rotation center line of the driving shaft, and the induction coil which is electrified with high-frequency current is heated for heating and quenching the pin shaft. When the pin shaft passes through the induction coil, the induction coil is electrified, the induction coil quenches and heats the pin shaft, and when the pin shaft leaves the induction coil, the induction coil is powered off.
The cooling module comprises a water spraying ring, a water spraying connector, a water pipe, a water pump and a water tank, wherein the water spraying connector is fixed on the water spraying ring; the rotation center line of the water spraying ring is collinear with the rotation center line of the driving shaft, and water spraying holes are formed in the inner wall of the water spraying ring; one end of the water pipe is connected with the water spraying joint, and the other end of the water pipe is connected with the water pump; the water pump is connected with the water tank, and the water pump conveys water into the water spraying ring through the water pipe, and the water spraying ring automatically sprays water to cool the pin shaft. When the pin shaft is in operation, the water pump conveys water to the water spraying ring through the water pipe when the heated pin shaft passes through the water spraying ring, and the water spraying ring automatically sprays water to cool the heated pin shaft.
When the automatic feeding device is in total work, the pre-feeding air cylinder drives the pre-feeding tongue to push the pin shafts to be quenched in the storage bin to the discharging groove at the end part of the feeding tongue sequentially, the feeding air cylinder pushes the feeding tongue to convey the pin shafts to be quenched to the first positioning chuck and the second positioning chuck, the first positioning chuck and the second positioning chuck automatically clamp the pin shafts, the lifting air cylinder drives the feeding table to descend, the pre-feeding air cylinder drives the pre-feeding tongue to return to the initial position, and the feeding air cylinder drives the feeding tongue to return to the initial position; meanwhile, the stepping motor drives the driving shaft to rotate, the driving shaft drives the positioning chuck I to rotate, and the positioning chuck I and the positioning chuck II clamp the pin shaft together and drive the pin shaft to rotate; the driving motor drives the screw rod to rotate, the rotating screw rod drives the moving table to move, the moving table drives the sliding table of the transmission module to move through the connecting frame, so that the pin shaft moves horizontally along with the transmission module, when the pin shaft is about to pass through the induction coil, the induction coil is electrified, the induction coil quenches and heats the pin shaft, and when the pin shaft leaves the induction coil, the induction coil is powered off; when the heated pin shaft passes through the water spraying ring, the water pump conveys water to the water spraying ring through the water pipe, the water spraying ring automatically sprays water to cool the heated pin shaft, after the pin shaft is sprayed with water by the water spraying ring, the driving motor drives the transmission module to return to the original position through the lead screw and the moving table, the first cylinder drives the second positioning chuck to be far away from the first positioning chuck, the first positioning chuck is separated from the second positioning chuck, the quenched pin shaft falls into the guide groove and falls into the material frame along the guide groove, and automatic induction quenching of the pin shaft is completed; the whole process can control the operation of each module through elements such as an electric cabinet, a sensor and the like, and the automatic induction quenching of the pin shaft is realized.
The beneficial effects of the invention are as follows:
1. according to the pin shaft quenching method, the pin shaft quenching method is improved through the pin shaft automatic induction quenching machine, so that pins can be continuously fed to the automatic clamping module one by one in a twice feeding mode before quenching, the conveying process is continuous and stable, and the improvement of the pin shaft automatic induction quenching efficiency is facilitated.
2. According to the pin shaft quenching method, through the mutual matching work of the discharging module, the driving table, the storage bin, the feeding module, the automatic clamping module, the transmission module, the heating module and the cooling module, the pin shaft is automatically fed, clamped and automatically subjected to automatic induction quenching through the heating module and the cooling module, the automatic discharging is carried out after quenching, the whole process is continuously carried out, the full automation is realized, manual operation is not needed, and the pin shaft automatic induction quenching efficiency is improved.
3. According to the pin shaft quenching method, through the mutual matching of the driving table, the automatic clamping module, the transmission module, the heating module and the cooling module, the pin shaft is stably and automatically quenched in a rotating mode through the heating module and the cooling module, the quenching is uniform, the quenching effect of the pin shaft is improved, and the integral quality of the pin shaft is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the pin automatic induction hardening machine of the present invention;
FIG. 2 is a side partial schematic view of the pin automatic induction hardening machine of the present invention;
FIG. 3 is a partial schematic view of the other side of FIG. 2;
FIG. 4 is a schematic diagram of a second positioning chuck connected to a driven shaft;
FIG. 5 is a method flow diagram of a pin quenching method of the present invention;
in the figure: the automatic feeding device comprises a discharging module 1, a material frame 11, a material guide groove 12, a driving table 2, a connecting frame 21, a storage bin 3, a feeding module 4, a pre-feeding tongue 41, a pre-feeding cylinder 42, a feeding tongue 43, a feeding cylinder 44, a lifting cylinder 45, a feeding rack 46, a lifting frame 461, a feeding table 462, a driving module 5, a stepping motor 51, a driving shaft 52, a driving shaft base 53, a driven shaft 54, a driven shaft base 55, a sliding table 56, an automatic clamping module 6, a first positioning chuck 61, a second positioning chuck 62, a first cylinder 63, a heating module 7, an induction coil 71, a bakelite block 72, a double-head stud 73, a cooling module 8, a water spraying ring 81 and a water spraying joint 82.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-5, the pin shaft quenching method adopts an automatic pin shaft induction quenching machine, the automatic pin shaft induction quenching machine comprises a discharging module 1, a storage bin 3, a feeding module 4, an automatic clamping module 6, a transmission module 5, a heating module 7 and a cooling module 8, the discharging module 1 is placed on the ground, the discharging module 1 is used for storing a quenched pin shaft 9, and a driving table 2 is fixedly arranged at the upper part of the discharging module 1; the driving table 2 is used for driving the transmission module 5 to drive the automatic clamping module 6 to move towards the heating module 7; the storage bin 3 is fixed on the feeding module 4, the storage bin 3 is used for storing the pin shaft 9 before quenching, and a vibration disc is arranged above the storage bin 3; the vibration disc is used for orderly throwing the disordered pin shafts 9 into the storage bin 3 in a vibration mode; the heating module 7 is positioned at one side of the middle part of the driving table 2, and the heating module 7 is used for quenching and heating the pin shaft 9; the transmission module 5 is positioned at the end part of the driving table 2, and the transmission module 5 is used for driving the automatic clamping module 6 to rotate; the feeding module 4 is fixed on the driving table 2, the feeding module 4 is positioned beside the heating module 7, and the feeding module 4 is used for conveying the pin shaft 9 in the storage bin 3 to the automatic clamping module 6; the automatic clamping module 6 is fixed on the transmission module 5, and the automatic clamping module 6 is used for clamping the pin shaft 9 sent by the feeding module 4; the cooling module 8 is sleeved on the automatic clamping module, the cooling module 8 is fixedly connected with the feeding module 4, and the cooling module 8 is used for cooling the heated pin shaft 9;
the pin shaft quenching method comprises the following steps:
step one: the pin shafts 9 to be quenched in batches are put into a vibration disc, and the pin shafts 9 are automatically sent into a storage bin 3 for temporary storage through vibration of the vibration disc;
step two: the pin shafts 9 in the storage bin 3 are sent to the clamping modules one by the feeding modules 4 to be clamped, and then the feeding modules 4 are returned to the initial positions;
step three: after the pin shaft 9 is clamped by the clamping module in the second step, the driving module 5 drives the clamping module to drive the pin shaft 9 to rotate, the driving module 5 horizontally slides on the driving table 2 to enable the pin shaft 9 to be quenched and heated at the heating module 7, and meanwhile, the cooling module 8 sprays water to cool the pin shaft 9 to finish quenching of the pin shaft 9;
step four: after the pin shaft 9 is quenched in the third step, the transmission module 5 drives the automatic clamping module to return to the initial position, the automatic clamping module loosens the pin shaft 9, and the pin shaft 9 automatically falls into the discharging module 1;
step five: and after the pin shaft 9 in the fourth step enters the unloading module 1, repeating the second to fourth steps, and continuing quenching of the next pin shaft 9.
The unloading module 1 comprises a material frame 11 and a guide groove 12, wherein the material frame 11 is placed on the ground, the guide groove 12 is segmented, one end of the guide groove 12 is fixed with the transmission module 5 and is positioned at the lower end of the automatic clamping module, and the other end of the guide groove 12 is fixed at the edge of the driving table 2. During operation, the quenched pin shaft 9 falls into the guide chute 12 and falls into the material frame 11 along the guide chute 12.
The driving platform 2 comprises a fixing frame, a driving motor, a moving platform, a screw rod and a connecting frame 21, and the fixing frame is fixed on the unloading module 1; the mobile station is in sliding connection with the fixed frame; one end of the connecting frame 21 is fixedly connected with the mobile station, and the other end of the connecting frame 21 is fixedly connected with the transmission module 5; the driving motor is fixed on the fixing frame, and the driving motor drives the screw rod to rotate to drive the moving table to horizontally move, and the moving table moves to drive the transmission module 5 to horizontally move. When the device works, the driving motor drives the screw rod to rotate, the rotating screw rod drives the moving table to move, and the moving table drives the sliding table 56 of the transmission module 5 to move through the connecting frame 21.
The feeding module 4 comprises a pre-feeding tongue 41, a pre-feeding cylinder 42, a feeding tongue 43, a feeding cylinder 44, a lifting cylinder 45 and a feeding frame 46, wherein the feeding frame 46 comprises a lifting frame 461 and a feeding table 462; the lifting frame 461 is fixed on the driving table 2, and the feeding table 462 is positioned on the lifting frame 461; the lifting cylinder 45 is positioned in the lifting frame 461, and the lifting cylinder 45 is used for driving the feeding table 462 to lift; the feeding tongue 43 is slidably connected with the feeding table 462, and a discharging groove is arranged at one end part of the feeding tongue 43; the feeding cylinder 44 is positioned at the end part of the feeding tongue 43, the feeding cylinder 44 is fixedly connected with the feeding table 462, and the feeding cylinder 44 drives the feeding tongue 43 to convey the pin shaft 9; the pre-feeding tongue 41 is positioned above the feeding tongue 43, the pre-feeding tongue 41 is in sliding connection with the feeding table 462, the pre-feeding air cylinder 42 is positioned at the end part of the pre-feeding tongue 41, the pre-feeding air cylinder 42 is fixedly connected with the feeding table 462, and the pre-feeding air cylinder 42 drives the pre-feeding tongue 41 to feed the pin shaft 9 in the storage bin 3 into the discharging groove on the feeding tongue 43; the storage bin 3 is located right above the pre-feeding tongue 41, and the storage bin 3 is fixedly connected with the feeding table 462. During operation, the pre-feeding air cylinder 42 drives the pre-feeding tongue 41 to sequentially push the pin shafts 9 to be quenched in the storage bin 3 into the discharge groove at the end part of the feeding tongue 43, the feeding air cylinder 44 pushes the feeding tongue 43 to convey the pin shafts 9 to be quenched to the first positioning chuck 61 and the second positioning chuck 62, the first positioning chuck 61 and the second positioning chuck 62 have the same structure, the first positioning chuck 61 and the second positioning chuck 62 automatically clamp the pin shafts 9, the lifting air cylinder 45 drives the feeding table 462 to descend, the pre-feeding air cylinder 42 drives the pre-feeding tongue 41 to return to the initial position, and the feeding air cylinder 44 drives the feeding tongue 43 to return to the initial position.
The transmission module 5 comprises a stepping motor 51, a driving shaft 52, a driving shaft base 53, a driven shaft 54, a driven shaft base 55 and a sliding table 56, wherein the sliding table 56 is positioned on the driving table 2, and the sliding table 56 is in sliding connection with the driving table 2; the driving shaft base 53 and the driven shaft base 55 are separated at two sides of the feeding module 4, the driving shaft base 53 is fixed at one end of the sliding table 56, and the driven shaft base 55 is fixed at the other end of the sliding table 56; the driving shaft 52 is positioned on the driving shaft base 53, and the driving shaft 52 is rotationally connected with the driving shaft base 53; the step motor 51 is located at one side of the driving shaft base 53, and the step motor 51 is used for driving the driving shaft 52 to rotate; the driven shaft 54 is located on the driven shaft base 55, and the driven shaft 54 is slidably connected with the driven shaft base 55. When the device works, the stepping motor 51 drives the driving shaft 52 to rotate, the driving shaft 52 drives the first positioning chuck 61 to rotate, and the first positioning chuck 61 and the second positioning chuck 62 clamp the pin shaft 9 together and enable the pin shaft 9 to rotate; simultaneously, the driving platform 2 drives the sliding table 56 to move so that the whole transmission module 5 horizontally moves, the pin shaft 9 horizontally moves along with the transmission module 5, and the pin shaft 9 is quenched and heated through the induction coil 71.
The automatic clamping module 6 comprises a first positioning chuck 61, a second positioning chuck 62, a coupler and a first cylinder 63, wherein the first positioning chuck 61 is fixed at the end part of the driving shaft 52, the second positioning chuck 62 is positioned at the end part of the driven shaft 54, and the second positioning chuck 62 is rotationally connected with the driven shaft 54 through the coupler; the first cylinder 63 is fixed on the driven shaft base 55, and the first cylinder 63 is used for driving the driven shaft 54 to slide on the driven shaft base 55 to enable the second positioning chuck 62 to move, and the second moving positioning chuck 62 is matched with the first positioning chuck 61 to clamp the pin shaft 9. When the feeding device works, the first cylinder 63 drives the second positioning chuck 62 to move towards the first positioning chuck 61 to clamp the pin shaft 9 on the feeding groove of the feeding tongue 43; the driving shaft 52 drives the first clamping head to rotate, the pin shaft 9 and the second clamping head rotate along with each other, and the pin shaft 9 is evenly quenched and heated by the induction coil 71.
The heating module 7 comprises an induction coil 71, a glue stick 72 and a stud 73; the double-end stud 73 is fixed on one side of the middle part of the driving table 2; the bakelite block 72 is fixed on a stud 73; the induction coil 71 is fixed on the gum piece 72, the center of the induction coil 71 is collinear with the rotation center line of the driving shaft 52, and the induction coil 71 which is fed with high-frequency current is heated for heating and quenching the pin shaft 9. In operation, when the pin 9 is about to pass through the induction coil 71, the induction coil 71 is energized, the induction coil 71 will quench and heat the pin 9, and when the pin 9 leaves the induction coil 71, the induction coil 71 is de-energized.
The cooling module 8 comprises a water spraying ring 81, a water spraying connector 82, a water pipe, a water pump and a water tank, wherein the water spraying connector 82 is fixed on the water spraying ring 81; the rotation center line of the water spraying ring 81 is collinear with the rotation center line of the driving shaft 52, and water spraying holes are formed in the inner wall of the water spraying ring 81; one end of the water pipe is connected with the water spraying joint 82, and the other end of the water pipe is connected with the water pump; the water pump is connected with the water tank, and the water pump conveys water into the water spraying ring 81 through the water pipe, and the water spraying ring 81 automatically sprays water to cool the pin shaft 9. In operation, when the heated pin shaft 9 passes through the water spraying ring 81, the water pump conveys water to the water spraying ring 81 through the water pipe, and the water spraying ring 81 automatically sprays water to cool the heated pin shaft 9.
When the automatic quenching device is in total operation, the pre-feeding air cylinder 42 drives the pre-feeding tongue 41 to sequentially push the pin shafts 9 to be quenched in the storage bin 3 into the discharging groove at the end part of the feeding tongue 43, the feeding air cylinder 44 pushes the feeding tongue 43 to convey the pin shafts 9 to be quenched to the first positioning chuck 61 and the second positioning chuck 62, the first positioning chuck 61 and the second positioning chuck 62 automatically clamp the pin shafts 9, the lifting air cylinder 45 drives the feeding table 462 to descend, the pre-feeding air cylinder 42 drives the pre-feeding tongue 41 to return to the initial position, and the feeding air cylinder 44 drives the feeding tongue 43 to return to the initial position; meanwhile, the stepping motor 51 drives the driving shaft 52 to rotate, the driving shaft 52 drives the first positioning chuck 61 to rotate, and the first positioning chuck 61 and the second positioning chuck 62 clamp the pin shaft 9 together and drive the pin shaft 9 to rotate; the driving motor drives the screw rod to rotate, the rotating screw rod drives the moving table to move, the moving table drives the sliding table 56 of the transmission module 5 to move through the connecting frame 21, so that the pin shaft 9 moves horizontally along with the transmission module 5, when the pin shaft 9 is about to pass through the induction coil 71, the induction coil 71 is electrified, the induction coil 71 quenches and heats the pin shaft 9, and when the pin shaft 9 leaves the induction coil 71, the induction coil 71 is powered off; when the heated pin shaft 9 passes through the water spraying ring 81, the water pump conveys water to the water spraying ring 81 through the water pipe, the water spraying ring 81 automatically sprays water to cool the heated pin shaft 9, after the pin shaft 9 is sprayed and cooled by the water spraying ring 81, the driving motor drives the transmission module 5 to return to the original position through the screw rod and the moving table, the first cylinder 63 drives the second positioning chuck 62 to be far away from the first positioning chuck 61, the first positioning chuck 61 is separated from the second positioning chuck 62, the quenched pin shaft 9 falls into the guide chute 12 and falls into the material frame 11 along the guide chute 12, and automatic induction quenching of the pin shaft 9 is completed; the whole process can control the operation of each module through elements such as an electric cabinet, a sensor and the like, and the automatic induction quenching of the pin shaft 9 is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A pin shaft quenching method is characterized in that: the quenching method adopts a pin shaft automatic induction quenching machine which comprises a discharging module (1), a storage bin (3), a feeding module (4), a transmission module (5), an automatic clamping module (6), a heating module (7) and a cooling module (8), wherein the discharging module (1) is placed on the ground, the discharging module (1) is used for storing a quenched pin shaft (9), and a driving table (2) is fixedly arranged at the upper part of the discharging module (1); the driving table (2) is used for driving the transmission module (5) to drive the automatic clamping module (6) to move towards the heating module (7); the storage bin (3) is fixed on the feeding module (4), the storage bin (3) is used for storing the pin shaft (9) before quenching, and a vibration disc is arranged above the storage bin (3); the vibration disc is used for orderly throwing the disordered pin shafts (9) into the storage bin (3) in a vibration mode; the heating module (7) is positioned at one side of the middle part of the driving table (2), and the heating module (7) is used for quenching and heating the pin shaft (9); the transmission module (5) is positioned at the end part of the driving table (2), and the transmission module (5) is used for driving the automatic clamping module (6) to rotate; the feeding module (4) is fixed on the driving table (2) and is positioned beside the heating module (7), and the feeding module (4) is used for conveying the pin shaft (9) in the storage bin (3) to the automatic clamping module (6); the automatic clamping module (6) is fixed on the transmission module (5), and the automatic clamping module (6) is used for clamping the pin shaft (9) sent by the feeding module (4); the cooling module (8) is sleeved on the clamping module, the cooling module (8) is fixedly connected with the feeding module (4), and the cooling module (8) is used for cooling the heated pin shaft (9);
the pin shaft quenching method comprises the following steps:
step one: the pin shafts (9) to be quenched in batches are put into a vibration disc, and the pin shafts (9) are automatically sent into a storage bin (3) for temporary storage through vibration of the vibration disc;
step two: the pin shafts (9) in the storage bin (3) are sent to the clamping modules one by one to be clamped by the feeding modules (4), and then the feeding modules (4) are returned to the initial positions;
step three: after the pin shaft (9) is clamped by the clamping module in the second step, the driving module (5) drives the clamping module to drive the pin shaft (9) to rotate, the driving module (5) horizontally slides on the driving table (2) to enable the pin shaft (9) to be quenched and heated at the heating module (7), and meanwhile, the cooling module (8) sprays water to the pin shaft (9) to cool the pin shaft (9) to finish quenching of the pin shaft (9);
step four: after the pin shaft (9) is quenched in the third step, the transmission module (5) drives the clamping module to return to the initial position, the clamping module loosens the pin shaft (9), and the pin shaft (9) automatically falls into the discharging module (1);
step five: and (3) after the pin shaft (9) enters the unloading module (1) in the step four, repeating the steps two to four, and continuing quenching of the next pin shaft (9).
2. The pin quenching method according to claim 1, wherein: the unloading module (1) comprises a material frame (11) and a guide groove (12), wherein the material frame (11) is placed on the ground, the guide groove (12) is segmented, one end of the guide groove (12) is fixed with the transmission module (5) and is positioned at the lower end of the clamping module, and the other end of the guide groove (12) is fixed at the edge of the driving table (2).
3. The pin quenching method according to claim 1, wherein: the driving platform (2) comprises a fixing frame, a driving motor, a moving platform, a screw rod and a connecting frame (21), and the fixing frame is fixed on the unloading module (1); the mobile station is in sliding connection with the fixed frame; one end of the connecting frame (21) is fixedly connected with the mobile station, and the other end of the connecting frame (21) is fixedly connected with the transmission module (5); the driving motor is fixed on the fixing frame, and the driving motor drives the screw rod to rotate to drive the moving table to horizontally move, and the moving table moves to drive the transmission module (5) to horizontally move.
4. The pin quenching method according to claim 1, wherein: the feeding module (4) comprises a pre-feeding tongue (41), a pre-feeding cylinder (42), a feeding tongue (43), a feeding cylinder (44), a lifting cylinder (45) and a feeding frame (46), wherein the feeding frame (46) comprises a lifting frame (461) and a feeding table (462); the lifting frame (461) is fixed on the driving table (2), and the feeding table (462) is positioned on the lifting frame (461); the lifting cylinder (45) is positioned in the lifting frame (461), and the lifting cylinder (45) is used for driving the feeding table (462) to lift; the feeding tongue (43) is in sliding connection with the feeding table (462), and a discharging groove is formed in one end part of the feeding tongue (43); the feeding cylinder (44) is positioned at the end part of the feeding tongue (43), the feeding cylinder (44) is fixedly connected with the feeding table (462), and the feeding cylinder (44) drives the feeding tongue (43) to convey the pin shaft (9); the pre-feeding tongue (41) is positioned above the feeding tongue (43), the pre-feeding tongue (41) is in sliding connection with the feeding table (462), the pre-feeding air cylinder (42) is positioned at the end part of the pre-feeding tongue (41), the pre-feeding air cylinder (42) is fixedly connected with the feeding table (462), and the pre-feeding air cylinder (42) drives the pre-feeding tongue (41) to convey the pin shaft (9) in the storage bin (3) into the discharging groove on the feeding tongue (43); the storage bin (3) is positioned right above the pre-feeding tongue (41), and the storage bin (3) is fixedly connected with the feeding table (462).
5. The pin quenching method according to claim 1, wherein: the transmission module (5) comprises a stepping motor (51), a driving shaft (52), a driving shaft base (53), a driven shaft (54), a driven shaft base (55) and a sliding table (56), wherein the sliding table (56) is positioned on the driving table (2), and the sliding table (56) is in sliding connection with the driving table (2); the driving shaft base (53) and the driven shaft base (55) are separated from two sides of the feeding module (4), the driving shaft base (53) is fixed at one end of the sliding table (56), and the driven shaft base (55) is fixed at the other end of the sliding table (56); the driving shaft (52) is positioned on the driving shaft base (53), and the driving shaft (52) is rotationally connected with the driving shaft base (53); the stepping motor (51) is positioned at one side of the driving shaft base (53), and the stepping motor (51) is used for driving the driving shaft (52) to rotate; the driven shaft (54) is positioned on the driven shaft base (55), and the driven shaft (54) is in sliding connection with the driven shaft base (55).
6. The pin quenching method according to claim 5, wherein: the automatic clamping module (6) comprises a first positioning chuck (61), a second positioning chuck (62) and a coupler and cylinder I (63), wherein the first positioning chuck (61) is fixed at the end part of the driving shaft (52), the second positioning chuck (62) is positioned at the end part of the driven shaft (54), and the second positioning chuck (62) is rotationally connected with the driven shaft (54) through the coupler; the first cylinder (63) is fixed on the driven shaft base (55), the first cylinder (63) is used for driving the driven shaft (54) to slide on the driven shaft base (55) to enable the positioning chuck II (62) to move, and the moving positioning chuck II (62) is matched with the positioning chuck I (61) to clamp the pin shaft (9).
7. The pin quenching method according to claim 5, wherein: the heating module (7) comprises an induction coil (71), a bakelite block (72) and a stud (73); the double-end stud (73) is fixed on one side of the middle part of the driving table (2); the bakelite block (72) is fixed on the double-end stud (73); the induction coil (71) is fixed on the glue wood block (72), the center of the induction coil (71) is collinear with the rotation center line of the driving shaft (52), and the induction coil (71) which is fed with high-frequency current is heated for heating and quenching the pin shaft (9).
8. The pin quenching method according to claim 5, wherein: the cooling module (8) comprises a water spraying ring (81), a water spraying joint (82), a water pipe, a water pump and a water tank, wherein the water spraying joint (82) is fixed on the water spraying ring (81); the rotation center line of the water spraying ring (81) is collinear with the rotation center line of the driving shaft (52), and water spraying holes are formed in the inner wall of the water spraying ring (81); one end of the water pipe is connected with a water spraying connector (82), and the other end of the water pipe is connected with a water pump; the water pump is connected with the water tank, and the water pump conveys water into the water spraying ring (81) through the water pipe, and the water spraying ring (81) automatically sprays water to cool the pin shaft (9).
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| CN201810652216.4A CN108531704B (en) | 2018-06-22 | 2018-06-22 | Pin shaft quenching method |
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| CN201810652216.4A CN108531704B (en) | 2018-06-22 | 2018-06-22 | Pin shaft quenching method |
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| CN108531704B true CN108531704B (en) | 2023-07-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111041185B (en) * | 2019-12-30 | 2021-06-01 | 良匠(苏州)机械设备有限公司 | Pin shaft quenching method for reducing quenching deformation |
| CN111549208B (en) * | 2020-03-30 | 2022-03-25 | 安徽绩溪徽山链传动有限公司 | But subassembly guenching unit is used in chain production of continuous use |
| CN112779392A (en) * | 2021-01-11 | 2021-05-11 | 王修涛 | Intelligent quenching equipment for cast iron |
| CN114939713B (en) * | 2021-07-07 | 2023-06-20 | 宜兴市永昌轧辊有限公司 | Application method of heating device for roll neck production of roller |
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| JPH0474826A (en) * | 1990-07-18 | 1992-03-10 | Kurosaki Rokogyo Kk | Automatic material feeder of strand annealing equipment |
| CN104073613A (en) * | 2013-03-28 | 2014-10-01 | 宁波卡伦特电器有限公司 | Motor shaft quenching equipment |
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