CN113621762A

CN113621762A - High-frequency quenching furnace

Info

Publication number: CN113621762A
Application number: CN202110862993.3A
Authority: CN
Inventors: 陈俊杰; 张卓
Original assignee: Individual
Current assignee: Luoyang Shennai Power Equipment Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-09
Anticipated expiration: 2041-07-29
Also published as: CN113621762B

Abstract

The invention relates to the technical field of quenching furnaces, in particular to a high-frequency quenching furnace, which comprises a base, wherein a heating mechanism is fixedly connected to the top surface of the base, a lifting mechanism is arranged on the base and comprises a lifting hook, a storage mechanism is arranged below the lifting hook, an arc-shaped side plate is fixedly connected to the left side of the top surface of the base, a first cooling mechanism and a second cooling mechanism are arranged on the right side of the arc-shaped side plate and above the heating mechanism, a top plate is arranged on the top surface of the arc-shaped side plate, an upright post is fixedly connected between the top plate and the base, a rotating sleeve is rotatably connected to the surface of the upright post, and an inserting rod is inserted into the rotating sleeve; by adopting the mechanism, on one hand, workpieces can be conveyed into different mechanisms for processing, so that the problem of high danger of manual feeding is solved; on the other hand, the double-medium quenching treatment can be immediately carried out on the heated workpiece, and the cooling treatment on the workpiece at the optimal time is realized, so that the surface or part of the workpiece reaches the corresponding hardness standard.

Description

High-frequency quenching furnace

Technical Field

The invention relates to the technical field of quenching furnaces, in particular to a high-frequency quenching furnace.

Background

The quenching furnace is a non-standard electric furnace specially designed according to the requirements of users, and is mainly used for heat treatment of quenching, heating and the like of various workpieces in the aluminum industry. The furnace body is formed by welding profile steel and steel plates, the inner wall of a furnace lining is connected with a furnace shell into a whole by adopting a stainless steel plate, an interlayer of the furnace body and the furnace lining is filled with aluminum silicate refractory fibers for heat insulation, and heating elements are resistance belts of high-resistance alloy and are arranged on two sides of the inner container through special hooks to be insulated from the inner container.

In the process of implementing the invention, the following problems in the prior art are found to be at least not solved:

1. when the workpiece is quenched at high frequency, the workpiece is often directly put into a furnace by a worker, the furnace is covered with a cover for heating, and after the workpiece is quenched, the workpiece is taken out by a clamp, so that the workpiece quenching furnace is extremely inconvenient, has high risk and is easy to scald.

2. After the workpiece is heated, the traditional high-frequency quenching furnace cannot immediately carry out double-medium quenching on the workpiece, the optimal quenching time is missed, and the hardness of the workpiece is reduced.

Therefore, the invention provides a high-frequency quenching furnace.

Disclosure of Invention

The invention aims to provide a high-frequency quenching furnace, which solves the problem that the danger of manual feeding is high when workpieces are quenched in a high-frequency mode.

Another object of the present invention is to provide a high-frequency quenching furnace, so as to solve the problems that after the workpiece is heated, the workpiece cannot be immediately subjected to double-medium quenching, the optimal quenching time is missed, and the workpiece hardness is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a high-frequency quenching furnace comprises a base, wherein a heating mechanism is fixedly connected to the top surface of the base, a lifting mechanism is arranged on the base and comprises a lifting hook, a storage mechanism is arranged below the lifting hook, an arc-shaped side plate is fixedly connected to the left side of the top surface of the base, a limiting hole is formed in the arc-shaped side plate, a first supporting plate is fixedly connected to the right side of the arc-shaped side plate and is positioned above the heating mechanism, a first cooling mechanism is arranged on the top surface of the first supporting plate, a second supporting plate is fixedly connected to the right side of the arc-shaped side plate and is positioned above the first supporting plate, a second cooling mechanism is arranged on the top surface of the second supporting plate, a top plate is arranged on the top surface of the arc-shaped side plate and is positioned above the second cooling mechanism, a stand column is fixedly connected to the side far away from the arc-shaped side plate between the top plate and the base, and a rotary sleeve is rotatably connected to the surface of the stand column and the position close to the top end, an inserting rod is inserted into one end, far away from the upright post, of the rotating sleeve.

Preferably, the upright column penetrates through the first support plate and the second support plate and is fixedly connected with the first support plate and the second support plate respectively.

Preferably, elevating system includes motor, fixed pulley and take-up pulley, motor fixed mounting just is close to the inboard position of arc curb plate at base top surface, just motor output end fixedly connected with lead screw, lead screw surface threaded connection has the lifter plate, lifter plate and arc curb plate inner wall sliding connection, just the lifter plate is close to arc curb plate one side fixedly connected with limiting plate, the limiting plate run through spacing hole and with spacing hole sliding connection, the fixed pulley rotates to be connected in the support, support fixed mounting is at the roof top surface, the take-up pulley rotates to be connected inside the roof and is located the lifter plate top, it is connected with the stay cord to rotate between take-up pulley and the fixed pulley, the one end and the lifter plate fixed connection of stay cord, the other end fixedly connected with lifting hook of stay cord.

Preferably, put thing mechanism including bearing the dish, bear the dish top surface and be close to outside position fixedly connected with several erection column, several the equal fixed mounting of erection column top surface has magnet, just bear dish top surface central point and put fixedly connected with connecting rod, connecting rod top fixedly connected with work dish, work dish top surface fixed mounting has the fan, just workstation top surface central point puts fixed mounting and draws the handle, draw and cooperate with the lifting hook.

Preferably, the heating mechanism comprises an outer furnace body, an inner furnace body is fixedly connected to the center position of the inner bottom surface of the outer furnace body, a heating element is fixedly connected to the bottom end of the inner wall of the inner furnace body, the heating element penetrates through the inner furnace body and the outer furnace body, and a plurality of ventilation holes are formed in the bottom of the side wall of the inner furnace body.

Preferably, No. one including the cooling urceolus and the cooling inner tube, the cooling urceolus is No. one with the equal fixed connection of cooling inner tube at a top surface of backup pad, the outlet has been seted up to a cooling urceolus wall bottom, just No. one inboard fixedly connected with spacing ring of cooling urceolus, sliding link has several to hinder the board No. one between the spacing ring No. one and the cooling inner tube No. one, the several hinders the board inside and has all seted up several through-hole No. one, several water inlet has been seted up to a cooling inner tube wall, through-hole No. one and water inlet looks adaptation, and the several hinder the equal fixedly connected with magnet in board No. one bottom, No. one bottom fixedly connected with spring of magnet, No. one fixed connection of spring is at a top surface of backup pad.

Preferably, No. two including the cooling urceolus No. two and the cooling inner tube No. two, the cooling urceolus No. two and the equal fixed connection of cooling inner tube No. two top surfaces of backup pad, the oil drain has been seted up to the two number section of thick bamboo wall bottoms of cooling urceolus, just No. two inboard fixedly connected with spacing rings of cooling urceolus, sliding link has the several to block the board No. two between No. two and the cooling inner tube No. two, the several blocks the inside several through-hole No. two that has all been seted up of board No. two, several water inlet No. two has been seted up to the two number section of thick bamboo walls of cooling inner tube, No. two looks adaptations of through-hole and water inlet, and several block the equal fixedly connected with magnet No. two in the bottom of board No. two, No. two bottom fixedly connected with springs of magnet No. two, No. two fixed connection of spring is at No. two top surfaces of backup pad.

Preferably, through holes are formed in the first supporting platform and the second supporting platform, a first sealing layer and a second sealing layer are fixedly mounted in the through holes respectively, the first sealing layer and the second sealing layer are the same as the bearing plate in size, and the diameter of the bearing plate is smaller than that of the circular heating element.

Preferably, the middle of the lifting hook is provided with a central hole, and the width of the central hole is larger than the diameter of the cross section of the inserted rod.

Compared with the prior art, the invention has the beneficial effects that:

1. by adopting the lifting mechanism and the article placing mechanism, the invention can realize that workpieces are conveyed to different mechanisms for processing, thereby solving the problem of high danger of manual feeding.

2. By adopting the first cooling mechanism and the second cooling mechanism, the double-medium quenching treatment can be immediately carried out on the heated workpiece, and the cooling treatment on the workpiece at the optimal time is realized, so that the surface or part of the workpiece reaches the corresponding hardness standard.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a first cooling assembly of the present invention;

FIG. 3 is a cross-sectional view of cooling module number two of the present invention;

FIG. 4 is a top cross-sectional view of the heating mechanism of the present invention;

FIG. 5 is a side view of the arcuate side plate of the present invention;

fig. 6 is a schematic view of the structure of the hook of the present invention.

In the figure: 1. a base; 2. a heating mechanism; 21. an outer furnace body; 22. an inner furnace body; 23. a heating element; 24. a vent hole; 3. a lifting mechanism; 31. a motor; 32. a screw rod; 33. a lifting plate; 34. a limiting plate; 35. a fixed pulley; 36. a support; 37. a tension wheel; 38. pulling a rope; 39. a hook; 391. a central bore; 4. a placement mechanism; 41. a carrier tray; 42. a connecting rod; 43. a working plate; 44. a fan; 45. pulling a handle; 46. mounting a column; 47. a magnet; 5. an arc-shaped side plate; 51. a limiting hole; 6. a first support plate; 60. a first sealing layer number; 61. cooling the outer cylinder I; 62. cooling the inner cylinder I; 63. a water outlet; 64. a limiting ring I; 65. a blocking plate I; 66. a through hole I; 67. a water inlet; 68. a magnet I; 69. a first spring; 7. a support plate II; 70. sealing layer No. two; 71. cooling the outer cylinder II; 72. cooling the inner cylinder II; 73. an oil discharge port; 74. a limiting ring II; 75. blocking plate number two; 76. a through hole II; 77. an oil inlet; 78. a magnet II; 79. a spring II; 8. a top plate; 9. a column; 91. a rotating sleeve; 92. and (4) inserting the rod.

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. 1-6, the invention provides a high-frequency quenching furnace, which comprises a base 1, wherein a heating mechanism 2 is fixedly connected to the top surface of the base 1, a lifting mechanism 3 is arranged on the base 1, the lifting mechanism 3 comprises a lifting hook 39, a placement mechanism 4 is arranged below the lifting hook 39, an arc-shaped side plate 5 is fixedly connected to the left side of the top surface of the base 1, a limiting hole 51 is formed in the arc-shaped side plate 5, a first support plate 6 is fixedly connected to the inner side of the arc-shaped side plate 5 and positioned above the heating mechanism 2, a first cooling mechanism 6 is arranged on the top surface of the first support plate 6, a second support plate 7 is fixedly connected to the inner side of the arc-shaped side plate 5 and positioned above the first support plate 6, a second cooling mechanism is arranged on the top surface of the second support plate 7, and a top plate 8 is arranged on the top surface of the arc-shaped side plate 5 and positioned above the second cooling mechanism, between roof 8 and the base 1 and be located and keep away from arc curb plate 5 one side fixedly connected with stand 9, stand 9 surface just is close to the top position and rotates and is connected with swivel sleeve 91, swivel sleeve 91 keeps away from stand 9 one end inside and inserts and be equipped with inserted bar 92. When the workpiece is subjected to high-frequency quenching, the workpiece is firstly placed on the object placing mechanism 4, then the object placing mechanism 4 is placed on the lifting hook 39 through the insertion rod 92, then the object placing mechanism 4 is placed in the heating mechanism 2 through the lifting mechanism 3, after the heating is finished, the object placing mechanism 4 is lifted into the first cooling mechanism for water quenching, after the water quenching is carried out to a certain temperature, the object placing mechanism 4 is lifted into the second cooling mechanism for oil quenching, after the oil quenching is finished, the object placing mechanism 4 is lifted above the second cooling mechanism, and finally the object placing mechanism 4 is taken down through the insertion rod 92, namely, the high-frequency quenching of the workpiece is finished; the workpiece can be conveyed to different mechanisms for processing through the matching of the lifting mechanism 3 and the article placing mechanism 4, so that the problem of high danger of manual feeding is solved; meanwhile, the first cooling mechanism and the second cooling mechanism can immediately carry out double-medium quenching treatment on the heated workpiece, so that the workpiece is cooled at the optimal time, and the surface or part of the workpiece reaches the corresponding hardness standard.

Specifically, the upright column 9 penetrates through the first support plate 6 and the second support plate 7 and is fixedly connected with the first support plate 6 and the second support plate 7 respectively. The upright column 9 is used for supporting and fixing the first support plate 6 and the second support plate 7.

Specifically, the lifting mechanism 3 includes a motor 31, a fixed pulley 35 and a tensioning wheel 37, the motor 31 is fixedly installed on the top surface of the base 1 and is close to the inner side position of the arc-shaped side plate 5, the output end of the motor 31 is fixedly connected with a lead screw 32, the surface of the lead screw 32 is in threaded connection with a lifting plate 33, the lifting plate 33 is in sliding connection with the inner wall of the arc-shaped side plate 5, one side of the lifting plate 33 close to the arc-shaped side plate 5 is fixedly connected with a limiting plate 34, the limiting plate 34 penetrates through a limiting hole 51 and is in sliding connection with the limiting hole 51, the limiting plate 34 is matched with the limiting hole 51 to prevent the lifting plate 33 from rotating and avoiding the lifting plate from moving up and down, the fixed pulley 35 is rotatably connected in a bracket 36, the bracket 36 is fixedly installed on the top surface of the top plate 8, the tensioning wheel 37 is rotatably connected inside the top of the top plate 33, a pulling rope 38 is rotatably connected between the tensioning wheel 37 and the fixed pulley 35, one end of the pull rope 38 is fixedly connected with the lifting plate 33, and the other end of the pull rope 38 is fixedly connected with a hook 39. When the lifting mechanism 3 works, firstly, the motor 31 is started, the motor 31 drives the screw rod 32 to rotate, the screw rod 32 drives the lifting plate 33 to move upwards or downwards, the lifting plate 33 drives the pull rope 38 fixedly connected with the lifting plate to move upwards or downwards, then the pull rope 38 drives the lifting hook 39 to move upwards or downwards, finally the lifting hook 39 drives the object placing mechanism 4 to move upwards or downwards, and the purpose of moving the object placing mechanism 4 upwards or downwards can be achieved by controlling the motor 31 to rotate forwards or backwards, so that the problem that the risk of manual feeding is large is solved.

Specifically, put thing mechanism 4 including bearing dish 41, bear dish 41 top surface and be close to outside position fixedly connected with several erection column 46, several the equal fixed mounting of erection column 46 top surface has magnet 47, just bear dish 41 top surface central point fixedly connected with connecting rod 42, connecting rod 42 top fixedly connected with work dish 43, work dish 43 top surface fixed mounting has fan 44, just workstation top surface central point fixed mounting puts and draws 45, draw 45 and lifting hook 39 to cooperate.

Specifically, heating mechanism 2 includes outer furnace body 21, bottom surface central point puts fixedly connected with interior furnace body 22 in the outer furnace body 21, interior furnace body 22 inner wall bottom fixedly connected with heating element 23, heating element 23 runs through interior furnace body 22 and outer furnace body 21, just a plurality of ventilation holes 24 have been seted up to the lateral wall bottom of interior furnace body 22. When the workpiece is quenched, the heating element 23 and the fan 44 operate, and the fan 44 is matched with the vent holes 24, so that the air flowing speed can be increased, the temperature rise of the workpiece is accelerated, and the purpose of improving the quenching efficiency is achieved.

Specifically, the first cooling mechanism comprises a first cooling outer cylinder 61 and a first cooling inner cylinder 62, the first cooling outer cylinder 61 and the first cooling inner cylinder 62 are fixedly connected to the top surface of the first support plate 6, the bottom end of the first cooling outer cylinder 61 is provided with a water outlet 63, and the inner side of the first cooling outer cylinder 61 is fixedly connected with a first limit ring 64, a plurality of first blocking plates 65 are connected between the first limit ring 64 and the first cooling inner cylinder 62 in a sliding way, a plurality of first through holes 66 are arranged in the first blocking plates 65, the first cooling inner cylinder 62 is provided with a plurality of water inlets 67 on the wall, the first through hole 66 is matched with the water inlets 67, and several 65 equal fixedly connected with magnet 68 in bottom of blockade board one number, 68 bottom fixedly connected with spring 69 of magnet one number, spring 69 fixed connection is No. 6 top surfaces in the backup pad one number. After the workpiece is heated, the object placing mechanism 4 is slowly lifted through the lifting mechanism 3, when the top surface of the bearing disc 41 is lifted to the bottom surface of the first support plate 6, the magnet 47 fixedly mounted on the mounting column 46 gradually generates attraction force on the first magnet 68, along with the continuous lifting of the object placing mechanism 4, the magnet 47 drives the first magnet 68 to lift, the first magnet 68 drives the first blocking plate 65 to move upwards, the first through hole 66 arranged in the first blocking plate 65 is gradually superposed with the water inlet 67, when the bearing disc 41 completely enters the position above the first support plate 6, the water inlet 67 is completely opened, the lifting mechanism 3 stops operating, and water between the first cooling outer cylinder 61 and the first cooling inner cylinder 62 enters the first cooling cylinder to carry out water quenching on the workpiece; after water quenching is finished, the lifting mechanism 3 operates to drive the bearing disc 41 to move upwards, along with the gradual reduction of attraction of the magnet 47 to the magnet I68, the spring I69 drives the magnet I68 and the blocking plate I65 to move downwards to close the water inlet 67, meanwhile, along with the upward movement of the bearing disc 41, the water in the cooling inner cylinder I62 also moves upwards, and when the water level exceeds the height of the cooling inner cylinder I62, the cooling water overflows and returns to the space between the cooling inner cylinder I62 and the cooling outer cylinder I again; through setting up above-mentioned mechanism, can accomplish in the in-process that promotes to put thing mechanism 4 and supply water and drainage in 62 of cooling inner tube, it is easy and simple to handle to reach the purpose to the work piece shrend.

Specifically, the second cooling mechanism comprises a second cooling outer cylinder 71 and a second cooling inner cylinder 72, the second cooling outer cylinder 71 and the second cooling inner cylinder 72 are both fixedly connected to the top surface of the second supporting plate 7, the bottom end of the second cooling outer cylinder 71 is provided with an oil outlet 73, a second limiting ring 74 is fixedly connected to the inner side of the second cooling outer cylinder 71, a second blocking plate 75 is slidably connected between the second limiting ring 74 and the second cooling inner cylinder 72, a second plurality of through holes 76 are formed in the second blocking plate 75, the second 72 cylinder wall of the cooling inner cylinder is provided with a plurality of second water inlets 67, the second through holes 76 are matched with the second water inlets 67, and several block No. two No. 75 equal fixedly connected with magnet No. two 78 in bottom of board, No. two No. 78 bottom fixedly connected with springs No. two 79 of magnet, No. two 79 fixed connection of spring is at the No. two 7 top surfaces of backup pad. After the water quenching of the workpiece is finished, the lifting mechanism 3 is used for slowly lifting the object placing mechanism 4, when the top surface of the bearing disc 41 is lifted to the bottom surface of the second supporting plate, the magnet 47 fixedly installed on the mounting column 46 gradually generates attraction force on the magnet II 78, along with the continuous lifting of the object placing mechanism 4, the magnet 47 drives the magnet II 78 to lift, the magnet II 78 drives the blocking plate II 75 to move upwards, the through hole II 76 arranged in the blocking plate II 75 is gradually overlapped with the oil inlet 77, when the bearing disc 41 completely enters the position above the supporting plate II 7, the oil inlet 77 is completely opened, the lifting mechanism 3 stops operating, and oil between the cooling outer cylinder II 71 and the cooling inner cylinder II 72 enters the cooling cylinder II to carry out oil quenching on the workpiece; after the oil quenching is finished, the lifting mechanism 3 operates to drive the bearing disc 41 to move upwards, along with the gradual reduction of attraction of the magnet 47 to the magnet II 78, the spring II 79 drives the magnet II 78 and the blocking plate II 75 to move downwards to close the oil inlet 77, and along with the upward movement of the bearing disc 41, the oil in the cooling inner cylinder II 72 also moves upwards, and when the oil level exceeds the height of the cooling inner cylinder II 72, the quenching oil overflows and returns to the position between the cooling inner cylinder II 72 and the cooling outer cylinder II; through setting up above-mentioned mechanism, can accomplish to cooling inner tube No. two 72 internal oil supplies and the oil extraction in the in-process of putting thing mechanism 4 in the promotion, it is easy and simple to handle to reach the purpose to the work piece oil quenching.

Specifically, through holes are formed in the first supporting platform and the second supporting platform, a first sealing layer 60 and a second sealing layer 70 are fixedly mounted in the through holes respectively, the first sealing layer 60 and the second sealing layer 70 are the same as the bearing plate 41 in size, and the diameter of the bearing plate 41 is smaller than that of the circular heating element 23.

Specifically, a central hole 391 is formed in the middle of the hook 39, and the width of the central hole 391 is larger than the cross-sectional diameter of the insert rod 92.

The working principle is as follows: when the workpiece is quenched with high frequency, the workpiece is firstly placed on the object placing mechanism 4, then the object placing mechanism 4 is placed on the lifting hook 39 through the insertion rod 92, then the motor 31 is started, the motor 31 drives the screw rod 32 to rotate, the screw rod 32 drives the lifting plate 33 to move upwards, the lifting plate 33 drives the pulling rope 38 fixedly connected with the lifting plate to move upwards, the pulling rope 38 drives the lifting hook 39 to move downwards, then the lifting hook 39 drives the object placing mechanism 4 to move downwards, when the object placing mechanism 4 falls on the base 1, the lifting mechanism 3 stops operating, the heating element 23 and the fan 44 operate to quench the workpiece with high frequency, after quenching is finished, the object placing mechanism 4 is lifted slowly through the lifting mechanism 3, when the top surface of the bearing plate 41 is lifted to the bottom surface of the first magnet 6, the magnet 47 fixedly installed on the installation column 46 gradually generates attraction force to the first magnet 68, and the object placing mechanism 4 continuously rises along with the lifting of the object placing mechanism 4, the magnet 47 drives the magnet I68 to ascend, the magnet I68 drives the blocking plate I65 to move upwards, the through hole I66 formed in the blocking plate I65 is gradually overlapped with the water inlet 67, when the bearing plate 41 completely enters the position above the supporting plate I6, the water inlet 67 is completely opened, the lifting mechanism 3 stops operating, and water between the cooling outer cylinder I61 and the cooling inner cylinder I62 enters the cooling cylinder I to carry out water quenching on the workpiece; after water quenching is finished, the lifting mechanism 3 operates to drive the bearing disc 41 to move upwards, along with the gradual reduction of attraction of the magnet 47 to the magnet I68, the spring I69 drives the magnet I68 and the blocking plate I65 to move downwards to close the water inlet 67, meanwhile, along with the upward movement of the bearing disc 41, the water in the cooling inner cylinder I62 also moves upwards, and when the water level exceeds the height of the cooling inner cylinder I62, the cooling water overflows and returns to the space between the cooling inner cylinder I62 and the cooling outer cylinder I again; after the water quenching of the workpiece is finished, the lifting mechanism 3 is used for slowly lifting the object placing mechanism 4, when the top surface of the bearing disc 41 is lifted to the bottom surface of the second supporting plate, the magnet 47 fixedly installed on the mounting column 46 gradually generates attraction force on the magnet II 78, along with the continuous lifting of the object placing mechanism 4, the magnet 47 drives the magnet II 78 to lift, the magnet II 78 drives the blocking plate II 75 to move upwards, the through hole II 76 arranged in the blocking plate II 75 is gradually overlapped with the oil inlet 77, when the bearing disc 41 completely enters the position above the supporting plate II 7, the oil inlet 77 is completely opened, the lifting mechanism 3 stops operating, and oil between the cooling outer cylinder II 71 and the cooling inner cylinder II 72 enters the cooling cylinder II to carry out oil quenching on the workpiece; after the oil quenching is finished, the lifting mechanism 3 operates to drive the bearing disc 41 to move upwards, along with the gradual reduction of attraction of the magnet 47 to the magnet II 78, the spring II 79 drives the magnet II 78 and the blocking plate II 75 to move downwards to close the oil inlet 77, and along with the upward movement of the bearing disc 41, the oil in the cooling inner cylinder II 72 also moves upwards, and when the oil level exceeds the height of the cooling inner cylinder II 72, the quenching oil overflows and returns to the position between the cooling inner cylinder II 72 and the cooling outer cylinder II; and finally, taking the workpiece out of the article placing mechanism 4 through the inserting rod 92, namely finishing the high-frequency quenching of the workpiece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-frequency quenching furnace comprises a base (1), and is characterized in that: the heating mechanism (2) is fixedly connected to the top surface of the base (1), the lifting mechanism (3) is arranged on the base (1), the lifting mechanism (3) comprises a lifting hook (39), the object placing mechanism (4) is arranged below the lifting hook (39), the arc-shaped side plate (5) is fixedly connected to the left side of the top surface of the base (1), a limiting hole (51) is formed in the arc-shaped side plate (5), a first support plate (6) is fixedly connected to the right side of the arc-shaped side plate (5) and positioned above the heating mechanism (2), a first cooling mechanism is arranged on the top surface of the first support plate (6), a second support plate (7) is fixedly connected to the right side of the arc-shaped side plate (5) and positioned above the first support plate (6), a second cooling mechanism is arranged on the top surface of the second support plate (7), and a top plate (8) is arranged on the top surface of the arc-shaped side plate (5) and positioned above the second cooling mechanism, between roof (8) and base (1) and be located and keep away from arc curb plate (5) one side fixedly connected with stand (9), stand (9) surface just is close to the top position and rotates and is connected with swivel sleeve (91), swivel sleeve (91) are kept away from stand (9) one end inside and are inserted and be equipped with inserted bar (92).

2. The high-frequency quenching furnace according to claim 1, wherein: the upright post (9) penetrates through the first support plate (6) and the second support plate (7) and is fixedly connected with the first support plate (6) and the second support plate (7) respectively.

3. The high-frequency quenching furnace according to claim 1, wherein: the lifting mechanism (3) comprises a motor (31), a fixed pulley (35) and a tensioning wheel (37), the motor (31) is fixedly installed on the top surface of the base (1) and is close to the inner side position of the arc-shaped side plate (5), the output end of the motor (31) is fixedly connected with a lead screw (32), the surface of the lead screw (32) is in threaded connection with a lifting plate (33), the lifting plate (33) is in sliding connection with the inner wall of the arc-shaped side plate (5), one side, close to the arc-shaped side plate (5), of the lifting plate (33) is fixedly connected with a limiting plate (34), the limiting plate (34) penetrates through a limiting hole (51) and is in sliding connection with the limiting hole (51), the fixed pulley (35) is rotatably connected in a support (36), the support (36) is fixedly installed on the top surface of the top plate (8), the tensioning wheel (37) is rotatably connected inside the top plate (8) and is located above the lifting plate (33), a pull rope (38) is rotatably connected between the tensioning wheel (37) and the fixed pulley (35), one end of the pull rope (38) is fixedly connected with the lifting plate (33), and the other end of the pull rope (38) is fixedly connected with a lifting hook (39).

4. The high-frequency quenching furnace according to claim 1, wherein: put thing mechanism (4) including bearing dish (41), bear dish (41) top surface and be close to outside position fixedly connected with several erection column (46), several the equal fixed mounting of erection column (46) top surface has magnet (47), just bear dish (41) top surface central point fixedly connected with connecting rod (42), connecting rod (42) top end fixedly connected with work dish (43), work dish (43) top surface fixed mounting has fan (44), just workstation top surface central point fixed mounting puts and draws (45), draw and cooperate with lifting hook (39) to (45).

5. The high-frequency quenching furnace according to claim 1, wherein: heating mechanism (2) are including outer furnace body (21), furnace body (22) in outer furnace body (21) bottom surface central point puts fixedly connected with, interior furnace body (22) inner wall bottom fixedly connected with heating element (23), heating element (23) run through interior furnace body (22) and outer furnace body (21), just a plurality of ventilation holes (24) have been seted up to the lateral wall bottom of interior furnace body (22).

6. The high-frequency quenching furnace according to claim 1, wherein: the cooling mechanism I comprises a cooling outer cylinder I (61) and a cooling inner cylinder I (62), the cooling outer cylinder I (61) and the cooling inner cylinder I (62) are fixedly connected to the top surface of a support plate I (6), a water outlet (63) is formed in the bottom end of the cylinder wall of the cooling outer cylinder I (61), a limiting ring I (64) is fixedly connected to the inner side of the cooling outer cylinder I (61), a plurality of blocking plates I (65) are slidably connected between the limiting ring I (64) and the cooling inner cylinder I (62), a plurality of through holes I (66) are formed in the blocking plates I (65), a plurality of water inlets (67) are formed in the cylinder wall of the cooling inner cylinder I (62), the through holes I (66) are matched with the water inlets (67), and magnets I (68) are fixedly connected to the bottom ends of the blocking plates I (65), magnet (68) bottom end fixedly connected with spring (69), spring (69) fixed connection is in backup pad top surface (6) No. one.

7. The high-frequency quenching furnace according to claim 1, wherein: the second cooling mechanism comprises a second cooling outer barrel (71) and a second cooling inner barrel (72), the second cooling outer barrel (71) and the second cooling inner barrel (72) are fixedly connected to the top surface of the second supporting plate (7), an oil discharge port (73) is formed in the bottom end of the barrel wall of the second cooling outer barrel (71), a limiting ring (74) is fixedly connected to the inner side of the second cooling outer barrel (71), a plurality of blocking plates (75) are slidably linked between the limiting ring (74) and the second cooling inner barrel (72), a plurality of through holes (76) are formed in the blocking plates (75), a plurality of water inlets (67) are formed in the barrel wall of the second cooling inner barrel (72), the through holes (76) are matched with the water inlets (67) in a second mode, and magnets (78) are fixedly connected to the bottom ends of the blocking plates (75), magnet No. two (78) bottom fixedly connected with spring No. two (79), spring No. two (79) fixed connection is on No. two (7) top surfaces of backup pad.

8. The high-frequency quenching furnace according to claim 1, wherein: through holes are formed in the first supporting platform and the second supporting platform, a first sealing layer (60) and a second sealing layer (70) are fixedly mounted in the through holes respectively, the first sealing layer (60) and the second sealing layer (70) are the same as the bearing plate (41), and the diameter of the bearing plate (41) is smaller than that of the circular heating element (23).

9. The high-frequency quenching furnace according to claim 1, wherein: the middle of the lifting hook (39) is provided with a central hole (391), and the width of the central hole (391) is larger than the cross section diameter of the insert rod (92).