CN113549753B - Heat treatment equipment and heat treatment process for long shaft - Google Patents
Heat treatment equipment and heat treatment process for long shaft Download PDFInfo
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- CN113549753B CN113549753B CN202110787336.7A CN202110787336A CN113549753B CN 113549753 B CN113549753 B CN 113549753B CN 202110787336 A CN202110787336 A CN 202110787336A CN 113549753 B CN113549753 B CN 113549753B
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- 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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Abstract
The invention discloses heat treatment equipment for a long shaft, which belongs to the technical field of heat treatment of long shafts and comprises an eddy current coil, a motor and a cooling barrel consisting of two large and small semicircles, wherein a rod taking hole is formed in the outer wall of the upper end of a large circle of the cooling barrel, a loading annular plate is fixedly arranged at the upper end of the cooling barrel, a synchronous disc is rotatably arranged on the inner wall of the upper end of the loading annular plate, a driving sleeve is coaxially and vertically fixedly arranged in the center of the synchronous disc, and the lower end of the driving sleeve is rotatably arranged at the bottom end of the cooling barrel; the problem that the working efficiency is low due to the fact that the existing equipment only can carry out single-shaft heat treatment once because the existing equipment is too simple and crude when the long shaft is subjected to heat treatment processing is solved; secondly, the existing heat treatment equipment is too simple and crude, cooling liquid spraying is not limited, and particularly when a long and thick long shaft is treated, the cooling liquid is too high to be recycled due to hanging, so that the surface water accumulation is serious, and the phenomenon that workers slip easily occurs.
Description
Technical Field
The invention relates to the technical field of long shaft heat treatment, in particular to a long shaft heat treatment device and a long shaft heat treatment process.
Background
Heat treatment of metals is one of the important processes in mechanical manufacturing, and heat treatment generally does not change the shape and overall chemical composition of the workpiece, but imparts or improves the performance properties of the workpiece by changing the microstructure inside the workpiece, or changing the chemical composition of the surface of the workpiece, as compared to other machining processes. Its feature is to improve the intrinsic quality of the workpiece, which is not normally visible to the naked eye. In order to make metal workpieces have required mechanical properties, physical properties and chemical properties, heat treatment processes are often indispensable except for reasonable selection of materials and various forming processes. Steel is the most widely used material in the mechanical industry, and the steel microstructure is complex and can be controlled by heat treatment, so the heat treatment of steel is the main content of metal heat treatment. In addition, aluminum, copper, magnesium, titanium and the like and alloys thereof can also be subjected to heat treatment to change the mechanical, physical and chemical properties of the aluminum, copper, magnesium, titanium and the like so as to obtain different service properties.
When the existing equipment is used for carrying out heat treatment on a long shaft, the heat treatment equipment is too simple and can only carry out single-shaft heat treatment at one time, so that the phenomenon of low working efficiency is caused; secondly, the existing heat treatment equipment is too simple and crude, cooling liquid spraying is not limited, and particularly when a long and thick long shaft is treated, the cooling liquid is too high to be recovered due to hanging, so that the surface water accumulation is serious, and the phenomenon that workers slip easily occurs; secondly, because the length of the long shaft is too long and the weight is large, and the existing heat treatment equipment needs to carry out manual feeding and blanking, the manual participation degree is too high, the labor intensity is higher, and the manual long-time operation can cause lacuna due to difficult fatigue, so that safety accidents can occur.
Based on the design, the invention designs the heat treatment equipment of the long shaft and the heat treatment process thereof so as to solve the problems.
Disclosure of Invention
The invention aims to provide a long shaft heat treatment device and a heat treatment process thereof, and aims to solve the problem that the conventional device can only perform single-shaft heat treatment once due to the fact that the heat treatment device is too simple when the long shaft is subjected to heat treatment processing by the conventional device in the background art, so that the working efficiency is low; secondly, the existing heat treatment equipment is too simple and crude, cooling liquid spraying is not limited, and particularly when a long and thick long shaft is treated, the cooling liquid is too high to be recovered due to hanging, so that water accumulation on the ground is serious, and the phenomenon that workers slip easily occurs; secondly, because the length of the long shaft is too long and the weight is large, and the existing heat treatment equipment needs to carry out manual feeding and blanking, the manual participation degree is too high, the labor intensity is higher, and the manual long-time operation can cause lacuna due to difficult fatigue, so that the safety accidents can occur.
In order to achieve the purpose, the invention provides the following technical scheme: a long-shaft heat treatment device comprises an eddy current coil, a motor and a cooling barrel consisting of two large and small semicircles, wherein a rod taking hole is formed in the outer wall of the upper end of the large circle of the cooling barrel, a loading annular plate is fixedly arranged at the upper end of the cooling barrel, a synchronous disc is rotatably arranged on the inner wall of the upper end of the loading annular plate, a driving sleeve is coaxially and vertically fixedly arranged in the center of the synchronous disc, and the lower end of the driving sleeve is rotatably arranged at the bottom end of the cooling barrel; the device comprises a driving sleeve, a plurality of groups of clamp frames and a plurality of groups of clamping frames, wherein the driving sleeve penetrates through the outer wall of the upper end of a synchronous disc and is uniformly arranged at equal angles around the axis of the driving sleeve, each clamp frame comprises a horizontal cross rod, the horizontal cross rod is vertically and slidably arranged in a sliding groove vertically formed in the side wall of the driving sleeve, one end, far away from the driving sleeve, of each horizontal cross rod is hinged with two symmetrical clamp plates for clamping a long shaft through a spring hinge, a lead screw is screwed in the center of each horizontal cross rod, the lead screw penetrates through the side wall of the synchronous disc and is rotatably connected with the synchronous disc, a driving gear is coaxially and fixedly arranged on the outer wall of one end, penetrating through the synchronous disc, of the lead screw, a descending rack is meshed outside after the driving gear rotates, an ascending rack is meshed outside the driving gear, the radius difference between the descending rack and the ascending rack is the diameter of the driving gear, the descending rack and the ascending rack are symmetrically arranged, the same static plate is coaxially and fixedly arranged on the lower end face of the descending rack, the static plate is fixedly arranged on the inner wall of a cooling barrel through a support, the outer side wall of the loading ring plate corresponding to the horizontal cross rod, an eddy current clamp is fixedly arranged on the side wall of the upper end of the clamping frame, and is arranged on the side wall of the horizontal cross rod, and is arranged on the clamping frame; one end of the locking rod is in contact with the outer wall of the clamp plate, the other end of the locking rod is in contact with the outer side wall of the driving sleeve, an unlocking pit for unlocking the locking rod is formed in the side wall of the lower end of the driving sleeve, the motor is fixedly arranged on the outer side wall of the cooling barrel through a support, the driving sleeve is connected to an output shaft of the motor through a belt pulley group in a transmission mode, the synchronous disc is provided with a plurality of through shaft holes which are overlapped with the axial line of the clamp plate, and the loading ring plate is vertically provided with through shaft arc holes of which the middle arc line is the same as the sweeping path of the axial line of the clamp plate;
as a further scheme of the invention, one end of the driving sleeve penetrating through the bottom end of the cooling barrel is fixedly provided with a plurality of shifting plates corresponding to the horizontal cross rods, the outer wall of the small circular side of the cooling barrel is fixedly provided with a feeding ring plate, the feeding ring plate is vertically provided with a long circular arc groove with a central circular arc axis collinear with the driving sleeve, a circular arc line of a central line of the long circular arc groove is collinear with an axis of the clamp plate, the upper end of the feeding ring plate is fixedly provided with a curve block, the vertical end of the curve block is provided with a long circular arc groove, the upper end of the curve block is slidably provided with a sliding groove block, the lower end of the sliding groove block is coaxially and fixedly provided with a trigger rod which is shifted by the shifting plates for displacement, and the trigger rod is slidably arranged in the long circular arc groove;
as a further scheme of the invention, the side wall of the upper end of the equipment frame is rotatably provided with two symmetrical auxiliary clamping plates which are coaxial with the clamp plate through a torsion spring hinge, one end of each auxiliary clamping plate, far away from the hinge, is fixedly provided with a C-shaped plate with an outward direction, and the outer wall of the clamp frame is fixedly provided with an unlocking shield plate for spreading upper and lower sharp corners of the auxiliary clamping plates;
as a further scheme of the invention, a guide ring plate is fixedly arranged on the upper end face of the synchronous disc at the edge of the through shaft hole, and a cooling system is arranged on the outer wall of the lower end of the guide ring plate;
as a further scheme of the invention, the cooling system comprises a uniform annular plate, the uniform annular plate is rotatably arranged on the outer wall of a guide annular plate, a cooling gear is meshed at the outer end of the guide annular plate, the cooling gear is coaxially and fixedly arranged on the outer wall of a screw rod, a rotary L-shaped annular plate is fixedly arranged at the upper end of the uniform annular plate through a support, a jet hole is formed in the inner ring of the rotary L-shaped annular plate, a static L-shaped annular plate is rotatably arranged on the outer side of the rotary L-shaped annular plate, and the static L-shaped annular plate is fixedly arranged on the side wall of an equipment rack through a pipeline rack;
as a further scheme of the invention, a water passing hole is vertically formed on the end surface of the synchronous disc close to the driving sleeve, a water blocking annular plate is fixedly arranged on the edge of the upper end of the synchronous disc, and a heat dissipation turbulent flow hole is formed in the side wall of the driving sleeve positioned in the cooling barrel;
as a further scheme of the invention, the motor adopts a speed reducing motor;
a long shaft heat treatment process comprises the following specific steps:
the method comprises the following steps: placing the shaft to be subjected to heat treatment into a sliding groove block, automatically jacking the long shaft into a clamp group in the equipment after the equipment runs, firstly running the long shaft to the uppermost end of the equipment by the clamp group, and keeping the bottom end of the long shaft to exceed the heating range of the eddy current coil;
step two: the equipment normally runs, the long shaft penetrates through the electrified eddy current coil to carry out quenching heat treatment on the long shaft, meanwhile, the clamp groups descend, the long shaft after heat treatment is placed in water in a cooling barrel, so that the heating of one long shaft is finished, and meanwhile, the multiple clamp groups synchronously work, so that the equipment forms a closed-loop treatment process, and the continuous work is finished;
step three: and (3) completely releasing the long shaft after the long shaft completely passes through the eddy current coil by the clamp group, completely dropping the long shaft into the cooling barrel for immersion cooling, and transferring the heat-treated long shaft from the rod taking hole after cooling is finished.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the driving gear is subjected to the indirect action of the motor to revolve, and is simultaneously subjected to the intermittent action of the static ascending rack and the static descending rack, so that the driving gear revolves while rotates and then revolves reversely, and the lead screw is driven to synchronously rotate, so that the horizontal cross rod lifts the long shaft; then the long shaft is descended to pass through the electrified eddy current coil, so that the long shaft is subjected to heat treatment, meanwhile, the horizontal cross rod ascends to drive the locking rod to be separated from the unlocking pit, so that the long shaft is clamped by the clamp plate, the long shaft is descended to the lowest end to release the long shaft, the automatic lifting of the height of the long shaft is completed, and the mutual switching continuous work is realized, so that the possible risk of manually operating the long shaft for feeding and discharging is effectively solved; secondly, the equipment has certain continuity, thereby further improving the working efficiency.
2. The synchronous trigger rod corresponding to the horizontal cross bar is adopted, and under the action of the shifting plate at the lower end of the driving sleeve, the sliding chute block is driven to slide at the upper end of the curve block, so that the sliding chute block rises to synchronously rotate the long shaft at the upper end and the revolutionary horizontal cross bar and then is pushed into the clamp plate, and the automatic feeding process is finished; therefore, the phenomenon that the feeding of the external equipment is asynchronous, so that the equipment is clamped or the feeding fails is effectively solved; the automatic synchronous feeding further improves the continuous working performance of the equipment and improves the working efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a left rear top view angular cross-sectional configuration of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at C;
FIG. 6 is a schematic view of the rear right top view overall configuration of the present invention (hidden cooling tub);
FIG. 7 is a schematic view of the left-down bottom view of the cooling barrel assembly of the present invention;
FIG. 8 is a schematic view of the engagement structure of the descending rack, ascending rack and driving gear of the present invention;
FIG. 9 is a schematic view of the process flow structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises an eddy current coil 9, a motor 10, a cooling barrel 11, a loading ring plate 12, a synchronous disc 13, a driving sleeve 14, a clamp frame 15, a horizontal cross rod 16, a clamp plate 17, a lead screw 18, a driving gear 19, a descending rack 20, an ascending rack 21, a static plate 22, an equipment frame 23, a locking rod 24, an unlocking pit 25, a belt pulley group 26, a through shaft hole 27, a shifting plate 30, a feeding ring plate 31, a long circular arc groove 32, a curve block 33, a sliding groove block 34, a trigger rod 35, an through shaft circular arc hole 36, an auxiliary clamping plate 40, a C-shaped plate 41, an unlocking shield plate 42, a guiding ring plate 44, a cooling system 45, a uniform ring plate 46, a cooling gear 47, a rotating L-shaped ring plate 48, a static L-shaped ring plate 49, a water through hole 52 and a water blocking ring plate 53.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a heat treatment device for a long shaft comprises an eddy current coil 9, a motor 10 and a cooling barrel 11 consisting of two large and small semicircles, wherein a rod taking hole is formed in the outer wall of the upper end of the large circle of the cooling barrel 11, a loading annular plate 12 is fixedly arranged at the upper end of the cooling barrel 11, a synchronous disc 13 is rotatably arranged on the inner wall of the upper end of the loading annular plate 12, a driving sleeve 14 is coaxially and vertically fixedly arranged in the center of the synchronous disc 13, and the lower end of the driving sleeve 14 is rotatably arranged at the bottom end of the cooling barrel 11; the driving sleeve 14 penetrates through the outer wall of the upper end of the synchronous disc 13 and is uniformly provided with a plurality of groups of clamp frames 15 at equal angles around the axis of the synchronous disc, each clamp frame 15 comprises a horizontal cross rod 16, each horizontal cross rod 16 is vertically and slidably arranged in a sliding groove vertically formed in the side wall of the driving sleeve 14, one end, far away from the driving sleeve 14, of each horizontal cross rod 16 is hinged with two symmetrical clamp plates 17 for clamping a long shaft through a spring hinge, a lead screw 18 is screwed in the center of each horizontal cross rod 16, the lead screw 18 penetrates through the side wall of the synchronous disc 13 and is rotatably connected with the synchronous disc 13, the outer wall of one end, penetrating through the synchronous disc 13, of each lead screw 18 is coaxially and fixedly provided with a driving gear 19, the outer side of each driving gear 19 is meshed with a descending rack 20 after rotating, the outer side of each driving gear 19 is meshed with an ascending rack 21, the radius difference between each descending rack 20 and the ascending rack 21 is the diameter of the driving gear 19, the descending rack 20 and the ascending rack 21 are symmetrically arranged, the lower end face of the descending rack 20 and the ascending rack 21 are coaxially and fixedly provided with a same static plate 22, the static plate 22 is fixedly arranged on the inner wall of the cooling barrel 11 through a support, a locking ring plate 12 corresponding to the horizontal cross rod 16, the outer side wall of the locking frame 23 on the outer side of the loading ring 12, the equipment, the outer edge of the coil 9 is provided with a collinear coil fixing frame, the vortex clamp frame, and the vortex clamp frames 9, and the vortex clamp plates 17, and the vortex clamp plates 24 are provided with the horizontal cross rod 17, and provided with the horizontal clamp plates for horizontal cross rod 17, and the horizontal cross rod 16; one end of the locking rod 24 is in contact with the outer wall of the clamp plate 17, the other end of the locking rod is in contact with the outer side wall of the driving sleeve 14, the side wall of the lower end of the driving sleeve 14 is provided with an unlocking pit 25 for unlocking the locking rod 24, the motor 10 is fixedly arranged on the outer side wall of the cooling barrel 11 through a support, the driving sleeve 14 is in transmission connection with an output shaft of the motor 10 through a belt pulley group 26, the synchronizing disc 13 is provided with a plurality of through shaft holes 27 coinciding with the axis of the clamp plate 17, and the loading ring plate 12 is vertically provided with an axial through arc hole 36 with a middle arc line which is the same as the sweeping path of the axis of the clamp plate 17;
when the device works, the device is installed, the cooling barrel 11 is kept buried under the ground surface (as shown in figure 1, the upper part in the figure is the upper end of the device when viewed downwards, one end of a bracket fixed by the motor 10 when viewed from left to right is the front end of the device, the cooling barrel 11 is buried under the ground, on one hand, the correct height of the device is reduced while the cooling barrel 11 is cooled by using the temperature of underground soil, so that the integral gravity center of the device is lowered, the vibration of the device is reduced, then, the loading and the unloading are more convenient, excessive hoisting is not needed, the labor intensity of manual operation is reduced, the phenomenon that the long shaft falls to injure the human is avoided, when the long shaft is hung on the clamp frame 15 and is lowered to the lowest level, the long shaft penetrates through a shaft passing hole 27 vertically formed in the end face of the feeding ring plate 31 to enable the long shaft to penetrate through the upper end of the eddy current coil 9 and be clamped into the middle of the clamp plate 17 (as shown in figures 1, 2 and 5, the torsion spring hinge between the clamp plate 17 and the horizontal cross bar 16 normally keeps the clamp plate 17 in an open state, wherein one end of the locking rod 24 close to the driving sleeve 14 slides into the unlocking pit 25, so that one end of the locking rod 24 close to the clamp plate 17 can not apply pressure to the clamp plate 17, and can be clamped freely, so that clamping is faster, and working efficiency is improved, when the long shaft extends into the clamping range of the clamp plate 17, the equipment motor 10 is started, the motor 10 rotates to drive the driving sleeve 14 to rotate slowly and anticlockwise (seen from the upper end of the equipment) through the belt pulley set 26, the driving sleeve 14 rotates to drive the synchronizing disc 13 on the outer wall to rotate, the synchronizing disc 13 rotates, the driving screw 18 revolves around the axis of the driving sleeve 14, and the driving gear 19 on the lower end is driven to revolve after the driving sleeve 14 revolves, the revolution of the driving gear 19 is engaged with the ascending rack 21 at the upper end of the stationary plate 22 at the lower end (as shown in fig. 8), as the motor 10 continues to rotate, the driving gear 19 rotates while being subjected to the acting force of the ascending rack 21, the driving gear 19 rotates while driving the lead screw 18 at the upper end to rotate, the lead screw 18 rotates to drive the horizontal cross bar 16 to vertically slide upwards along the sliding groove formed in the side wall of the driving sleeve 14, the horizontal cross bar 16 moves upwards to enable the locking rods 24 at the two ends to be separated from the unlocking pit 25, so that the locking rods 24 move towards the clamp plates 17, thereby extruding the clamp plates 17 to enable the two clamp plates 17 to overcome the torsion of the hinge spring to clamp the middle long shaft, at this time, the unloading force can be applied to the long shaft of the loading material, so that the device drives the long shaft to pass through the circular arc hole 36 formed in the loading ring plate 12 vertically and perform the ascending motion again, as the revolution of the motor 10 continues to rotate, so that the lead screw 18 continues to rotate under the action of the ascending rack 21, thereby lifting the long shaft upwards, when the driving gear 19 moves to the tail end of the two ascending racks 21, at this time, the long shaft rises to the highest point, at this time, the rotation of the eddy current motor 10 stops, and the second long shaft is not to repeat the process, after the second long shaft is finished; at the moment, the first long shaft is subjected to a heat treatment stage, the motor 10 continues to work, the eddy current coil 9 is started, the driving gear 19 is meshed with the descending rack 20 and rotates continuously along with the motor 10, so that the screw rod 18 rotates reversely, the horizontal cross rod 16 descends vertically, the long shaft penetrating through the eddy current coil 9 is heated, and the heated long shaft directly extends into the cooling barrel 11 filled with cooling liquid for cooling; meanwhile, the second shaft also rises, when the horizontal cross rod 16 descends to the lowest end of the sliding groove in the side wall of the driving sleeve 14, the locking rod 24 slides into the unlocking pit 25, so that the clamp plate 17 automatically pops open to release the heated long shaft, and a certain buoyancy exists in the release process because most of the long shaft is already immersed in the cooling liquid, so that the released long shaft slowly passes through the eddy current coil 9, and the complete heat treatment process is completed;
according to the invention, the driving gear 19 is subjected to the indirect action of the motor 10 to revolve, and is simultaneously subjected to the intermittent action of the static ascending rack 21 and the static descending rack 20, so that the driving gear 19 revolves and rotates, and then revolves and rotates reversely, thereby driving the screw rod 18 to synchronously rotate, and further enabling the horizontal cross rod 16 to lift the long shaft; then the long shaft is descended to pass through the electrified eddy current coil 9, so that the long shaft is subjected to heat treatment, meanwhile, the horizontal cross rod 16 ascends to drive the locking rod 24 to be separated from the locking pit 25, so that the long shaft is clamped by the clamp plate 17, and the long shaft is descended to the lowest end to release the long shaft, so that the height of the long shaft is automatically lifted, and the long shaft is switched to operate continuously, thereby effectively solving the risk of loading and unloading by adopting the manual operation of the long shaft; secondly, the equipment has certain continuity, thereby further improving the working efficiency.
When the automatic loading device is used, an external carrier is required to be used for carrying out operation loading on the long shaft, and due to the fact that all parts of the device are synchronous in operation height, the phenomenon that external equipment is asynchronous when loading is carried out can occur, and therefore the phenomenon that the equipment is locked or loading fails can occur;
as a further scheme of the invention, one end of the driving sleeve 14, which penetrates through the bottom end of the cooling barrel 11, is fixedly provided with a plurality of shifting plates 30 corresponding to the horizontal cross rods 16, the outer wall of the small circular side of the cooling barrel 11 is fixedly provided with a feeding ring plate 31, the feeding ring plate 31 is vertically provided with a long circular arc groove 32 with a central circular arc axis collinear with the driving sleeve 14, a circular arc line of a central line of the long circular arc groove 32 is collinear with the axis of the clamp plate 17, the upper end of the feeding ring plate 31 is fixedly provided with a curve block 33, the curve block 33 is vertically provided with a long circular arc groove 32, the upper end of the curve block 33 is slidably provided with a sliding groove block 34, the lower end of the sliding groove block 34 is coaxially and fixedly provided with a trigger rod 35 which is shifted by the shifting plates 30 to perform displacement, the trigger rod 35 is slidably arranged in the long circular arc groove 32, and the loading ring plate 12 is vertically provided with an axial through circular arc hole 36 with a middle circular arc line in the same path as the axis of the clamp plate 17;
when the device is used, a long shaft is directly placed at the upper end of a sliding groove block 34, a shifting plate 30 corresponding to a horizontal cross bar 16 rotates to a trigger rod 35 at the lower end of a feeding ring plate 31 along with the rotation of a motor 10, the side wall extrudes the trigger rod 35, so that when the trigger rod 35 slides along a long circular arc groove 32, the sliding groove block 34 is driven by the sliding of the long circular arc groove 32 to slide at the upper end of a curve block 33 and then ascend, the long shaft on the sliding groove block 34 is pushed to ascend (as shown in fig. 8, a blank at one end exists between a descending rack 20 and an ascending rack 21 for waiting for the long shaft to ascend to a blank at the height of a clamp plate 17), and meanwhile, the trigger rod 35 is driven to ascend, at the moment, the long shaft firstly passes through a shaft hole 27 and then continuously revolves and ascends, the circular arc line of the central line of the long circular arc groove 32 is collinear with the axis of the clamp plate 17, so that the long shaft and the clamp plate 17 are in a synchronous collinear state in the rotating process, a driving gear 19 is meshed with the ascending rack 21, so that the feeding process is completed, the triggering rod 35 ascends, and then the device can be automatically fed again under the action after the action of the sliding groove block 35 is finished;
the synchronous trigger rod 35 corresponding to the horizontal cross bar 16 is adopted, and under the action of the shifting plate 30 at the lower end of the driving sleeve 14, the sliding groove block 34 is driven to slide at the upper end of the curve block 33, so that the sliding groove block 34 rises to synchronously rotate the long shaft at the upper end and the revolving horizontal cross bar 16 and then is pushed into the clamp plate 17, and the automatic feeding process is completed; therefore, the phenomenon that the feeding of the external equipment is asynchronous, so that the equipment is clamped or the feeding fails is effectively solved; the automatic synchronous feeding further improves the continuous working performance of the equipment and improves the working efficiency.
As a further scheme of the invention, the side wall of the upper end of the equipment frame 23 is rotatably provided with two symmetrical auxiliary clamping plates 40 which are coaxial with the clamp plate 17 through a torsion spring hinge, one end of the auxiliary clamping plate 40, which is far away from the hinge, is fixedly provided with an outward-direction C-shaped plate 41, and the outer wall of the clamp frame 15 is fixedly provided with an unlocking shield plate 42 for opening upper and lower sharp corners of the auxiliary clamping plate 40; the long shaft can be acted by two clamp points when being hung too high, so that the stable operation of the equipment is ensured, and the phenomenon that the long shaft is separated from the range of the shaft hole 27 due to vibration and the equipment is damaged is avoided.
A guide ring plate 44 is fixedly arranged on the upper end face of the synchronous disc 13 at the edge of the shaft passing hole 27, and a cooling system 45 is arranged on the outer wall of the lower end of the guide ring plate 44; further improving the accuracy of alignment of the through-axis aperture 27 during lowering of the long axis.
As a further scheme of the invention, the cooling system 45 comprises a uniform ring plate 46, the uniform ring plate 46 is rotatably arranged on the outer wall of the guide ring plate 44, the outer end of the guide ring plate 44 is engaged with a cooling gear 47, the cooling gear 47 is coaxially and fixedly arranged on the outer wall of the screw rod 18, the upper end of the uniform ring plate 46 is fixedly provided with a rotary L-shaped ring plate 48 through a bracket, the inner ring of the rotary L-shaped ring plate 48 is provided with a spray hole, the outer side of the rotary L-shaped ring plate 48 is rotatably provided with a static L-shaped ring plate 49, and the static L-shaped ring plate 49 is fixedly arranged on the side wall of the equipment frame 23 through a pipeline frame; directly cooling the major axis that just has treated heat, lead screw 18 rotates drive cooling gear 47 and rotates, cooling gear 47 rotates the even crown plate 46 of drive rotation and rotates, thereby even crown plate 46 rotates the rotation L crown plate 48 and rotates the jet orifice angle that changes on the rotation L crown plate 48 at any time, on the one hand reduce the temperature of cooling water in the cooling barrel 11, on the other hand avoids equipment operation slowly, thereby cause the major axis after the thermal treatment can not in time cool off, thereby cause the poor problem of major axis quality to appear.
A water through hole 52 is vertically formed in the end face, close to the driving sleeve 14, of the synchronizing disc 13, a water blocking ring plate 53 is fixedly arranged at the edge of the upper end of the synchronizing disc 13, and a heat dissipation turbulent flow hole is formed in the side wall, located inside the cooling barrel 11, of the driving sleeve 14; the long shaft after heat treatment is cooled more uniformly; therefore, the phenomenon that the coolant directly flows to the ground to cause surface water accumulation is avoided, meanwhile, the driving sleeve 14 can stir the coolant in the cooling barrel 11, and the problem that the local high-temperature cooling efficiency of the coolant is reduced is avoided.
As a further aspect of the present invention, the motor 10 is a reduction motor; the heat treatment speed of the long shaft is slow, and the adoption of the speed reducing motor can ensure that the torque of the equipment is increased, so that a larger driving force is obtained.
A long shaft heat treatment process comprises the following specific steps:
the method comprises the following steps: placing the shaft to be subjected to heat treatment into a sliding groove block, automatically jacking the long shaft into a clamp group in the equipment after the equipment runs, firstly running the long shaft to the uppermost end of the equipment by the clamp group, and keeping the bottom end of the long shaft to exceed the heating range of the eddy current coil;
step two: the equipment normally runs to enable the long shaft to penetrate through the electrified eddy current coil to carry out quenching heat treatment on the long shaft, meanwhile, the clamp groups descend, the long shaft after heat treatment is placed in water in a cooling barrel, so that the heating of one long shaft is finished, meanwhile, the clamp groups synchronously work, the equipment forms a closed-loop treatment process, and continuous work is finished;
step three: and after the long shaft completely passes through the eddy current coil by the clamp group, the long shaft is completely released, so that the long shaft completely falls into the cooling barrel for immersion cooling, and after cooling is finished, the long shaft after heat treatment is transferred from the rod taking hole.
Claims (7)
1. The utility model provides a heat treatment equipment of major axis, includes vortex coil (9), motor (10) and two cooling barrel (11) that big small circle is constituteed, cooling barrel (11) great circle upper end outer wall has been seted up and has been got pole hole, its characterized in that: a loading ring plate (12) is fixedly arranged at the upper end of the cooling barrel (11), a synchronous disc (13) is rotatably arranged on the inner wall of the upper end of the loading ring plate (12), a driving sleeve (14) is coaxially and vertically and fixedly arranged in the center of the synchronous disc (13), and the lower end of the driving sleeve (14) is rotatably arranged at the bottom end of the cooling barrel (11); the driving sleeve (14) penetrates through the outer wall of the upper end of the synchronous disc (13) and is uniformly provided with a plurality of groups of clamp frames (15) at equal angles around the axis of the synchronous disc, each clamp frame (15) comprises a horizontal cross rod (16), the horizontal cross rods (16) are vertically and slidably arranged in sliding grooves vertically formed in the side wall of the driving sleeve (14), one end, far away from the driving sleeve (14), of each horizontal cross rod (16) is hinged to two symmetrical clamp plates (17) used for clamping a long shaft through a spring hinge, a lead screw (18) is screwed in the center of each horizontal cross rod (16), the lead screw (18) penetrates through the side wall of the synchronous disc (13) and is rotatably connected with the synchronous disc (13), a driving gear (19) is coaxially and fixedly arranged on the outer wall of one end, a descending rack (20) is meshed on the outer side of the driving gear (19) after rotation, an ascending rack (21) is meshed on the outer side of the driving gear (19), the radius difference between the descending rack (20) and the ascending rack (21) is the diameter of the driving gear (19), the descending rack (20) and the descending rack (21) are symmetrically arranged on the same axis, and a heat treatment stop plate (22) is arranged on the same axis;
the heat treatment mechanism comprises an equipment frame (23), the static plate (22) is fixedly arranged on the inner wall of the cooling barrel (11) through a support, the equipment frame (23) is fixedly arranged on the outer edge of the loading ring plate (12) corresponding to the horizontal cross rod (16), an eddy current coil (9) is fixedly arranged on the side wall of the upper end of the equipment frame (23), the axis of the eddy current coil (9) is collinear with the axes of the two clamp plates (17), and a locking rod (24) for locking the clamp plates (17) is horizontally arranged on the side wall of the horizontal cross rod (16) in a sliding mode through the support; one end of the locking rod (24) is in contact with the outer wall of the clamp plate (17), the other end of the locking rod is in contact with the outer side wall of the driving sleeve (14), an unlocking pit (25) for unlocking the locking rod (24) is formed in the side wall of the lower end of the driving sleeve (14), the motor (10) is fixedly arranged on the outer side wall of the cooling barrel (11) through a support, the driving sleeve (14) is in transmission connection with an output shaft of the motor (10) through a pulley group (26), the synchronizing disc (13) is provided with a plurality of through-shaft holes (27) which are overlapped with the axis of the clamp plate (17), and the loading ring plate (12) is vertically provided with through-shaft circular holes (36) of which the middle circular arc lines are the same as the axis sweeping path of the clamp plate (17);
the fixed a plurality of boards (30) of dialling corresponding with horizontal pole (16) that are provided with of one end that drive sleeve (14) passed the bottom of cooling barrel (11), cooling barrel (11) small circle side outer wall is fixed and is provided with feeding ring board (31), feeding ring board (31) are vertical to be seted up central circular arc axis and drive sleeve (14) collineation long circular arc groove (32), long circular arc groove (32) central line arc line and anchor clamps board (17) axis collineation, feeding ring board (31) upper end is fixed and is provided with curve piece (33), curve piece (33) are vertical to be seted up long circular arc groove (32), curve piece (33) upper end slides and is provided with chute block (34), the coaxial fixed trigger lever (35) that are used for being dialled board (30) and stir and carry out the displacement of sliding chute block (34) lower extreme, trigger lever (35) slide and set up in long circular arc groove (32), loading ring board (12) anchor clamps are vertical to be seted up middle circular arc line and pass the axle hole (36) that the sweep arc axis is the same.
2. The apparatus for heat treating a long shaft according to claim 1, wherein: the fixed unblock shield plate (42) that are used for strutting the upper and lower closed angle of supplementary splint (40) that are provided with of anchor clamps board (17) coaxial auxiliary splint (40) through torsional spring hinge rotation on equipment frame (23), the fixed outside C template (41) of direction that is provided with of one end of hinge is kept away from in auxiliary splint (40), anchor clamps frame (15) outer wall is fixed.
3. The apparatus for heat treating a long shaft of claim 2, wherein: the upper end face of the synchronous disc (13) at the edge of the shaft passing hole (27) is fixedly provided with a guide ring plate (44), and the outer wall of the lower end of the guide ring plate (44) is provided with a cooling system (45).
4. An apparatus for heat treating a long shaft according to claim 3, wherein: cooling system (45) are including even crown plate (46), even crown plate (46) rotate to set up at guide crown plate (44) outer wall, the meshing of guide crown plate (44) outer end has cooling gear (47), cooling gear (47) coaxial fixed sets up at lead screw (18) outer wall, even crown plate (46) upper end is provided with through the support is fixed and rotates L crown plate (48), rotate L crown plate (48) inner ring and seted up the jet orifice, it is provided with static L crown plate (49) to rotate L crown plate (48) outside rotation, static L crown plate (49) pass through the fixed setting of conduit bracket at equipment rack (23) lateral wall.
5. The apparatus for heat treating a long shaft according to claim 1, wherein: the synchronous disc (13) is close to the end face of the driving sleeve (14) and is vertically provided with a water through hole (52), the edge of the upper end of the synchronous disc (13) is fixedly provided with a water blocking annular plate (53), and the side wall of the driving sleeve (14) is provided with a heat dissipation turbulent flow hole and is located inside the cooling barrel (11).
6. The apparatus for heat treating a long shaft of claim 1, wherein: the motor (10) adopts a speed reducing motor.
7. A long shaft heat treatment process which is applied to the long shaft heat treatment equipment according to any one of claims 1 to 6, and is characterized in that: the heat treatment process of the long shaft comprises the following specific steps:
the method comprises the following steps: placing the shaft to be subjected to heat treatment into a sliding groove block, automatically jacking the long shaft into a clamp group in the equipment after the equipment runs, firstly running the long shaft to the uppermost end of the equipment by the clamp group, and keeping the bottom end of the long shaft to exceed the heating range of the eddy current coil;
step two: the equipment normally runs, the long shaft penetrates through the electrified eddy current coil to carry out quenching heat treatment on the long shaft, meanwhile, the clamp groups descend, the long shaft after heat treatment is placed in water in a cooling barrel, so that the heating of one long shaft is finished, and meanwhile, the multiple clamp groups synchronously work, so that the equipment forms a closed-loop treatment process, and the continuous work is finished;
step three: and after the long shaft completely passes through the eddy current coil by the clamp group, the long shaft is completely released, so that the long shaft completely falls into the cooling barrel for immersion cooling, and after cooling is finished, the long shaft after heat treatment is transferred from the rod taking hole.
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| CN202110787336.7A CN113549753B (en) | 2021-07-13 | 2021-07-13 | Heat treatment equipment and heat treatment process for long shaft |
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| CN114438304B (en) * | 2022-03-09 | 2022-11-11 | 徐州丰展机械有限公司 | Heat treatment device for wood lathe cutter |
| CN116287649B (en) * | 2023-02-08 | 2024-03-26 | 无锡永捷电机有限公司 | Isothermal heat treatment device for inhibiting thermal deformation of micro motor shaft |
| CN117512315B (en) * | 2024-01-04 | 2024-03-26 | 耐世拓铝业(镇江)有限公司 | Aluminum pipe guenching unit |
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| RU2510996C2 (en) * | 2011-03-15 | 2014-04-10 | Нэтурэн Ко., Лтд. | Heating device, heat treatment device and heating method |
| JP5821114B2 (en) * | 2011-03-15 | 2015-11-24 | 高周波熱錬株式会社 | Heating device jig, heating device, heat treatment device, and heating method |
| CN106048166B (en) * | 2016-07-05 | 2018-04-06 | 邯郸市翔天数控工程有限公司 | Rotating disc type automatic quenching device |
| CN206986240U (en) * | 2017-03-18 | 2018-02-09 | 四川省宜宾普什汽车零部件有限公司 | It is a kind of from dynamic crankshaft quenching unit |
| CN111304430B (en) * | 2020-03-02 | 2021-09-03 | 杭州大路金属热处理有限公司 | Heat treatment process for long shaft |
| CN111996357B (en) * | 2020-07-10 | 2022-04-01 | 佛山市高明永川机车配件制造有限公司 | Full-automatic gear heat treatment production line |
| CN111690797A (en) * | 2020-07-13 | 2020-09-22 | 金华市小狸新材料科技有限责任公司 | Equipment for quenching metal through heat treatment |
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Denomination of invention: A Long Axis Heat Treatment Equipment and Its Heat Treatment Process Effective date of registration: 20230612 Granted publication date: 20221004 Pledgee: Dongguan Tangxia Branch of Agricultural Bank of China Ltd. Pledgor: DONGGUAN XIANLIDE HEAT TREATMENT Co.,Ltd. Registration number: Y2023980043507 |