CN114754571A

CN114754571A - Vacuum tempering furnace for processing magnesium fluoride material

Info

Publication number: CN114754571A
Application number: CN202210359587.XA
Authority: CN
Inventors: 郭东鑫; 金小惋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-15

Abstract

The invention relates to the field of vacuum tempering furnaces, in particular to a vacuum tempering furnace for processing magnesium fluoride materials, which comprises a heating mechanism, a ventilation mechanism, a cooling mechanism, a rotating mechanism, a clamping mechanism and a stabilizing mechanism; the cooling channel is arranged in the ventilation channel, so that nitrogen circulating in the furnace body and the ventilation channel can be rapidly cooled at the same time, and the cooled nitrogen flows back into the furnace body, so that the cooling speed can be increased; the driving gear is driven to rotate by the second motor, the driving gear is meshed with the four driven gears at the same time, the four driven gears can be driven to rotate at the same time, the driven gears drive the discharging bottom plate to rotate synchronously through the rotating shaft, namely, the four stations rotate synchronously, four workpieces can be processed synchronously, and meanwhile, the workpieces rotate at constant speed in situ, so that the surfaces of the workpieces are uniformly heated; roof is contradicted with the material, cooperation fixture, can prevent that the material from rotating the in-process and taking place the slope and rocking.

Description

Vacuum tempering furnace for processing magnesium fluoride material

Technical Field

The invention relates to the field of vacuum tempering furnaces, in particular to a vacuum tempering furnace for processing magnesium fluoride materials.

Background

The magnesium fluoride is a compound of halogen element fluorine and metal element magnesium, a vacuum tempering furnace is required during processing of the magnesium fluoride, and the vacuum tempering furnace comprises a host, a vacuum system, a cold air system, an inflation system, a pneumatic system, an electric control system, an external transport vehicle and the like. The method is mainly suitable for the processes of tempering treatment after vacuum quenching and bright quenching, low-temperature annealing, aging treatment and the like.

When the existing vacuum tempering furnace is used, a placing mode is mostly adopted, a workpiece to be tempered is placed on a placing plate in the vacuum tempering furnace for heating and tempering, so that the surface of the workpiece is heated unevenly, and the tempering quality of the workpiece is affected; meanwhile, most of the existing vacuum tempering furnaces are only suitable for tempering single workpieces, and the workpiece processing efficiency is low.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a vacuum tempering furnace for processing magnesium fluoride materials.

The technical scheme adopted by the invention for solving the technical problems is as follows: a vacuum tempering furnace for processing magnesium fluoride materials comprises a heating mechanism, a ventilation mechanism, a cooling mechanism, a rotating mechanism, a clamping mechanism and a stabilizing mechanism; the air exchange mechanism and the cooling mechanism are both arranged in the side wall of the heating mechanism, the cooling mechanism is positioned outside the air exchange mechanism, and the rotating mechanism is arranged at the bottom end in the heating mechanism; the clamping mechanism is fixedly arranged on the rotating mechanism, and the stabilizing mechanism is arranged at the upper end in the heating mechanism; the heating mechanism comprises a barrel-shaped furnace body, and an annular electric heating wire is arranged on the inner side wall of the furnace body; the upper end of the furnace body is provided with a furnace cover, one side of the furnace cover is provided with a handle, the other side of the furnace cover is provided with a rotating support rod, the rotating support rod is rotatably installed in an installation block, the lower end of the installation block is fixedly installed at the upper end of a first telescopic rod, and the first telescopic rod is fixedly installed on the outer side wall of the upper end of the furnace body; the lower end of the furnace cover is provided with a circle of sealing flange, and the sealing flange is matched with the upper port of the furnace body.

Specifically, the air exchange mechanism comprises an air outlet arranged on the side wall of the furnace body, and the air outlet is connected with an external vacuum machine in a sealing manner; the side wall of the furnace body is also provided with an air inlet which is hermetically connected with an external nitrogen charging machine; the exhaust port with all set up a wall chamber perpendicularly in the middle of the air inlet, a hydraulic stem of wall chamber bottom installation, a partition panel of hydraulic stem upper end fixed connection, partition panel diameter size be greater than the air inlet with the diameter size of exhaust port.

Specifically, the ventilation mechanism further comprises a ventilation cavity arranged in the furnace cover, an air inlet through groove is arranged in the middle of the ventilation cavity, and the air inlet through groove is communicated with the ventilation cavity and the furnace body; a first motor is arranged in the middle of the upper end face of the air exchange cavity, an air exchange fan is arranged at the lower end of the first motor, and the air exchange fan is located in the air inlet through groove; the periphery of the bottom surface of the air exchange cavity is provided with a plurality of through air outlet bayonets; the side edge of the upper port of the furnace body is provided with a sealing clamping groove corresponding to the air outlet bayonet, the lower end of the sealing clamping groove is provided with a vertical air exchange channel, the air exchange channel is positioned in the side wall of the furnace body, and the lower end of the air exchange channel is communicated with the furnace body.

Specifically, the cooling mechanism comprises a cooling channel arranged in the side wall of the furnace body in a surrounding manner, and the cooling channel is positioned outside the ventilation channel; the upper end of the cooling channel is provided with a water inlet interface, and the lower end of the cooling channel is provided with a water outlet interface.

Specifically, the rotating mechanism comprises an installation plate fixedly arranged at the lower end inside the furnace body, the upper end surface of the installation plate is provided with four supporting bosses, and the four supporting bosses are positioned on four vertexes of the same circle; a second motor is arranged below the mounting plate, a driving gear is arranged at the upper end of the second motor, and the driving gear is positioned in the middle of the upper end face of the mounting plate; driven gears with the same specification are respectively arranged on the four supporting bosses, the four driven gears are all meshed with the driving gear, and the four driven gears are not in direct contact; the upper ends of the four driven gears are coaxially provided with a rotating shaft with the same specification respectively, meanwhile, the upper ends of the driven gears are provided with partition plates, the partition plates are fixedly installed in the furnace body, and the rotating shafts penetrate through the upper ends of the partition plates.

Specifically, the clamping mechanism comprises a material placing bottom plate coaxially mounted at the upper end of the rotating shaft, a movable groove is arranged in the material placing bottom plate, two guide grooves are symmetrically arranged on the upper end surface of the material placing bottom plate, and the guide grooves are communicated with the movable groove; the middle position of the lower end of the movable groove is provided with a limiting sliding groove, and two limiting guide grooves are symmetrically arranged at two ends of the limiting sliding groove.

Specifically, the clamping mechanism further comprises a third motor fixedly mounted at the bottom of the limiting chute, the upper end of the third motor is connected with a screw, the upper end of the screw is sleeved in a movable sleeve, a hollow chute is arranged in the movable sleeve, an inner screw is arranged at the lower port of the hollow chute, and the inner screw is in threaded connection with the screw; two limiting sliding bolts are symmetrically arranged on the outer side of the lower end of the movable sleeve and are clamped in the limiting guide grooves.

The clamping mechanism further comprises a sleeve bolt which is fixedly and coaxially arranged at the upper end of the movable sleeve, a pressing plate is arranged at the upper end of the sleeve bolt, a linkage sleeve is sleeved in the sleeve bolt, two connectors are symmetrically arranged on two sides of the linkage sleeve, a movable connecting rod is movably connected to each connector, the other end of each movable connecting rod is movably connected to the lower end of a sliding block, the sliding blocks are clamped in the guide grooves, and a square chuck is arranged at one end, close to the center of the discharge bottom plate, of each sliding block.

Specifically, the stabilizing mechanism comprises a hydraulic tank arranged in the furnace cover, the hydraulic tank is positioned at the upper end of the air exchange cavity, the lower end of the hydraulic tank is connected with two second telescopic rods, the second telescopic rods penetrate through the air exchange cavity, the lower ends of the second telescopic rods extend out of the lower end of the furnace cover, the lower ends of the two second telescopic rods are simultaneously connected to two ends of an annular mounting plate, the lower end of the annular mounting plate is provided with four limiting sleeves, and the limiting sleeves correspond to the positions of the discharge bottom plate; the lower end of the limiting sleeve is sleeved with a limiting bulge, and the lower end of the limiting bulge is fixedly connected with a top plate.

The invention has the beneficial effects that:

(1) the cooling channel is arranged in the ventilation channel, so that the nitrogen flowing in the furnace body and the ventilation channel can be rapidly cooled at the same time, and the cooled nitrogen flows back into the furnace body, thereby accelerating the cooling speed.

(2) The driven gear is supported and limited by the supporting boss, and the driven gear can be effectively prevented from deflecting and falling off by matching with the limiting function of the partition plate on the rotating shaft.

(3) Through the rotation of second motor drive gear, drive gear simultaneously with four driven gear meshing, can drive four driven gear and rotate simultaneously, driven gear drives the synchronous rotation of blowing bottom plate through the pivot, has four station synchronous rotations promptly, can be simultaneously to four work pieces synchronous processing, simultaneously, the work piece is the original place at the uniform velocity rotation, guarantees that each face of work piece is heated evenly.

(4) The upper end of the screw rod is sleeved in the movable sleeve, the lower end opening of the hollow sliding groove is provided with an inner threaded opening in threaded connection with the screw rod, meanwhile, the limiting sliding bolt is clamped in the limiting guide groove, and the limiting guide groove has a limiting effect on the movable sleeve, so that when the third motor drives the screw rod to rotate, the movable sleeve can slide up and down along the limiting sliding groove.

(5) Bell and furnace body block back, through the extension of hydraulic pressure case drive second telescopic link, make the annular mounting panel move down, inconsistent until roof and material upper end, when driven gear drove the synchronous rotation of blowing bottom plate, because spacing protruding movable mounting is in stop collar, so the roof can rotate along with the material, and roof and material conflict can prevent that the material from rotating the in-process and taking place the slope and rocking.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a front sectional view of a vacuum tempering furnace for processing magnesium fluoride material provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic structural view of a rotating mechanism and a clamping mechanism provided by the present invention;

fig. 5 is a top view of the rotating mechanism structure provided by the present invention.

In the figure: 1. a heating mechanism; 11. a furnace body; 12. an electric heating wire; 13. a furnace cover; 14. rotating the supporting rod; 15. mounting blocks; 16. a first telescopic rod; 17. a sealing flange; 2. a ventilation mechanism; 21. an exhaust port; 22. a vacuum machine; 23. an air inlet; 24. a nitrogen charging machine; 25. a partition cavity; 26. a hydraulic lever; 27. a partition panel; 28. an air exchange cavity; 29. an air inlet through groove; 210. a first motor; 211. a ventilator; 212. an air outlet bayonet; 213. sealing the clamping groove; 214. a ventilation channel; 3. a cooling mechanism; 31. a cooling channel; 32. a water inlet interface; 33. a water outlet interface; 4. a rotating mechanism; 41. mounting a plate; 42. supporting the boss; 43. a second motor; 44. a drive gear; 45. a driven gear; 46. a rotating shaft; 47. a partition plate; 5. a clamping mechanism; 51. a discharging bottom plate; 52. a movable groove; 53. a guide groove; 54. a limiting chute; 55. a limiting guide groove; 56. a third motor; 57. a screw; 58. an active cannula; 59. a hollow chute; 510. an internal screw; 511. a limiting sliding bolt; 512. sleeving a bolt; 513. pressing a plate; 514. a linkage sleeve; 515. a movable connecting rod; 516. a slider; 517. a square chuck; 6. a stabilizing mechanism; 61. a hydraulic tank; 62. a second telescopic rod; 63. an annular mounting plate; 64. a limiting sleeve; 65. a limiting bulge; 66. a top plate.

Detailed Description

The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.

As shown in fig. 1 to 5, the vacuum tempering furnace for processing magnesium fluoride material according to the present invention comprises a heating mechanism 1, a ventilation mechanism 2, a cooling mechanism 3, a rotating mechanism 4, a clamping mechanism 5 and a stabilizing mechanism 6; the air exchange mechanism 2 and the cooling mechanism 3 are both arranged in the side wall of the heating mechanism 1, the cooling mechanism 3 is positioned outside the air exchange mechanism 2, and the rotating mechanism 4 is arranged at the bottom end inside the heating mechanism 1; the clamping mechanism 5 is fixedly arranged on the rotating mechanism 4, and the stabilizing mechanism 6 is arranged at the upper end inside the heating mechanism 1; the heating mechanism 1 comprises a barrel-shaped furnace body 11, and an annular electric heating wire 12 is arranged on the inner side wall of the furnace body 11; the upper end of the furnace body 11 is provided with a furnace cover 13, one side of the furnace cover 13 is provided with a handle, the other side of the furnace cover 13 is provided with a rotating support rod 14, the rotating support rod 14 is rotatably arranged in an installation block 15, the lower end of the installation block 15 is fixedly arranged at the upper end of a first telescopic rod 16, and the first telescopic rod 16 is fixedly arranged on the outer side wall of the upper end of the furnace body 11; the lower end of the furnace cover 13 is provided with a circle of sealing flange 17, and the sealing flange 17 is matched with the upper port of the furnace body 11; the interior of the furnace body 11 is heated by an electric heating wire 12; the furnace cover 13 can rotate around a fulcrum at the position of the rotating support rod 14, and the furnace cover 13 is driven to ascend or descend through the first telescopic rod 16, so that the furnace cover 13 is convenient to mount and rotate; the sealing flange 17 is matched with the upper end of the furnace body 11 and can play a role of sealing when the furnace cover 13 is clamped at the upper end of the furnace body 11.

Specifically, the ventilation mechanism 2 comprises an exhaust port 21 arranged on the side wall of the furnace body 11, and the exhaust port 21 is hermetically connected with an external vacuum machine 22; the side wall of the furnace body 11 is simultaneously provided with an air inlet 23, and the air inlet 23 is hermetically connected with an external nitrogen charging machine 24; a partition cavity 25 is vertically arranged between the exhaust port 21 and the air inlet 23, a hydraulic rod 26 is installed at the bottom of the partition cavity 25, the upper end of the hydraulic rod 26 is fixedly connected with a partition plate 27, and the diameter of the partition plate 27 is larger than that of the air inlet 23 and the exhaust port 21; when the vacuumizing is needed, the furnace cover 13 is installed, the sealing of the furnace body 11 is realized, meanwhile, the partition plate 27 at the air inlet 23 is pushed upwards, the partition cavity 25 at the air inlet 23 is sealed, the partition plate 27 at the air outlet 21 is contracted, the air outlet 21 is opened, the inside of the furnace body 11 is vacuumized through the vacuum machine 22 until the vacuum degree in the furnace body 11 reaches the standard, at the moment, the partition plate 27 at the air outlet 21 is pushed upwards, the air outlet 21 is sealed, then the partition plate 27 at the air inlet 23 is contracted, the air inlet 23 is opened, then the inside of the furnace body 11 is filled with nitrogen through the nitrogen filling machine 24, and when the nitrogen amount is sufficient, the partition plate 27 at the air inlet 23 is pushed upwards, the air inlet 23 is closed, and the sealing of the inside of the furnace body 11 is realized.

Specifically, the ventilation mechanism 2 further comprises a ventilation cavity 28 arranged in the furnace cover 13, an air inlet through groove 29 is arranged in the middle of the ventilation cavity 28, and the air inlet through groove 29 is communicated with the ventilation cavity 28 and the furnace body 11; a first motor 210 is arranged in the middle of the upper end face of the ventilation cavity 28, a ventilation fan 211 is arranged at the lower end of the first motor 210, and the ventilation fan 211 is positioned in the air inlet through groove 29; a plurality of through air outlet bayonets 212 are arranged on the periphery of the bottom surface of the air exchange cavity 28; a sealing clamping groove 213 corresponding to the air outlet bayonet 212 is arranged on the side edge of the upper port of the furnace body 11, a vertical air exchange channel 214 is arranged at the lower end of the sealing clamping groove 213, the air exchange channel 214 is positioned in the side wall of the furnace body 11, and the lower end of the air exchange channel 214 is communicated with the furnace body 11; in the tempering process, the first motor 210 drives the ventilation fan 211 to rotate, so that nitrogen in the furnace body 11 is sucked into the ventilation cavity 28, flows into the ventilation channel 214 through the air outlet bayonet 212, and finally flows back into the furnace body 11, thereby forming a cycle and improving the use efficiency of the nitrogen.

Specifically, the cooling mechanism 3 includes a cooling channel 31 circumferentially disposed in the side wall of the furnace body 11, and the cooling channel 31 is located outside the ventilation channel 214; the upper end of the cooling channel 31 is provided with a water inlet interface 32, and the lower end of the cooling channel 31 is provided with a water outlet interface 33; the water inlet interface 32 and the water outlet interface 33 are both connected with an external water tank, cooling liquid is introduced from the water inlet interface 32 and flows out from the water outlet interface 33; the cooling channel 31 is provided in the ventilation channel 214, and can rapidly cool the nitrogen gas flowing through the interior of the furnace body 11 and the ventilation channel 214 at the same time, and the cooled nitrogen gas flows back into the furnace body 11, so that the cooling speed can be increased.

Specifically, the rotating mechanism 4 comprises a mounting plate 41 fixedly arranged at the lower end inside the furnace body 11, four supporting bosses 42 are arranged on the upper end surface of the mounting plate 41, and the four supporting bosses 42 are positioned on four vertexes of the same circle; a second motor 43 is arranged below the mounting plate 41, a driving gear 44 is arranged at the upper end of the second motor 43, and the driving gear 44 is positioned in the middle of the upper end face of the mounting plate 41; the four supporting bosses 42 are respectively provided with a driven gear 45 with the same specification, the four driven gears 45 are all meshed with the driving gear 44, and the four driven gears 45 are not in direct contact; the upper ends of the four driven gears 45 are respectively coaxially provided with a rotating shaft 46 with the same specification, meanwhile, the upper ends of the driven gears 45 are provided with a partition plate 47, the partition plates 47 are fixedly arranged in the furnace body 11, and the rotating shafts 46 penetrate through the upper ends of the partition plates 47; the driving gear 44 is driven to rotate by the second motor 43, the driving gear 44 is meshed with the four driven gears 45 at the same time, the four driven gears 45 are driven to rotate at the same time, the driven gears 45 are supported and limited by the supporting bosses 42, and the driven gears 45 can be effectively prevented from deflecting and falling off by matching with the limiting function of the partition plate 47 on the rotating shaft 46; the partition plate 47 partitions the heating space in the furnace body 11 and the space where the lower rotation mechanism 4 is located.

Specifically, the clamping mechanism 5 comprises a discharging bottom plate 51 coaxially arranged at the upper end of the rotating shaft 46, a movable groove 52 is arranged in the discharging bottom plate 51, two guide grooves 53 are symmetrically arranged on the upper end surface of the discharging bottom plate 51, and the guide grooves 53 are communicated with the movable groove 52; a limiting sliding groove 54 is arranged in the middle of the lower end of the movable groove 52, and two limiting guide grooves 55 are symmetrically arranged at two ends of the limiting sliding groove 54.

Specifically, the clamping mechanism 5 further comprises a third motor 56 fixedly mounted at the bottom of the limiting chute 54, the upper end of the third motor 56 is connected with a screw 57, the upper end of the screw 57 is sleeved in a movable sleeve 58, a hollow chute 59 is arranged inside the movable sleeve 58, an inner screw 510 is arranged at the lower port of the hollow chute 59, and the inner screw 510 is in threaded connection with the screw 57; two limiting sliding bolts 511 are symmetrically arranged on the outer side of the lower end of the movable sleeve 58, and the limiting sliding bolts 511 are clamped in the limiting guide grooves 55; the upper end of the screw 57 is sleeved in the movable sleeve 58, the lower port of the hollow chute 59 is provided with an inner screw 510 screwed with the screw 57, meanwhile, the limit sliding bolt 511 is clamped in the limit guide groove 55, and the limit guide groove 55 has a limit function on the movable sleeve 58, so that when the screw 57 is driven by the third motor 56 to rotate, the movable sleeve 58 slides up and down along the limit chute 54.

Specifically, the clamping mechanism 5 further comprises a sleeve bolt 512 which is fixed and coaxially arranged at the upper end of the movable sleeve 58, a pressing plate 513 is arranged at the upper end of the sleeve bolt 512, a linkage sleeve 514 is sleeved in the sleeve bolt 512, two connectors are symmetrically arranged at two sides of the linkage sleeve 514, a movable connecting rod 515 is movably connected to the connectors, the other end of the movable connecting rod 515 is movably connected to the lower end of a sliding block 516, the sliding block 516 is clamped in the guide groove 53, and a square clamping head 517 is arranged at one end of the upper end of the sliding block 516, which is close to the center of the discharging bottom plate 51; the linkage sleeve 514 is sleeved in the sleeve bolt 512, when the movable sleeve 58 slides up and down along the limit chute 54, the linkage sleeve 514 is also driven to synchronously move, when the linkage sleeve 514 moves down, the movable connecting rod 515 drives the sliding block 516 to move towards the center of the discharge bottom plate 51, and the two square chucks 517 approach to each other, so that the material can be clamped; similarly, when the linkage sleeve 514 moves upward, the two square chucks 517 move away from each other, which facilitates the blanking.

Specifically, the stabilizing mechanism 6 comprises a hydraulic tank 61 arranged in the furnace cover 13, the hydraulic tank 61 is positioned at the upper end of the air exchange cavity 28, the lower end of the hydraulic tank 61 is connected with two second telescopic rods 62, the second telescopic rods 62 penetrate through the air exchange cavity 28, the lower ends of the second telescopic rods 62 extend out of the lower end of the furnace cover 13, the lower ends of the two second telescopic rods 62 are simultaneously connected with two ends of an annular mounting plate 63, the lower end of the annular mounting plate 63 is provided with four limiting sleeves 64, and the limiting sleeves 64 correspond to the positions of the discharge bottom plate 51; the lower end of the limit sleeve 64 is sleeved with a limit bulge 65, and the lower end of the limit bulge 65 is fixedly connected with a top plate 66; after the completion material is placed, adjust the bell 13 to the horizontality, through first telescopic link 16 drive bell 13 and furnace body 11 block, then drive second telescopic link 62 through hydraulic tank 61 and extend, make cyclic annular mounting panel 63 move down, until roof 66 and material upper end conflict, when driven gear 45 drives blowing bottom plate 51 synchronous rotation, because spacing arch 65 movable mounting is in spacing sleeve 64, so roof 66 can rotate along with the material, and roof 66 contradicts with the material, can prevent that the material from rotating the in-process and taking place slope and rocking.

When the furnace cover is used, the first telescopic rod 16 is started to extend, the furnace cover 13 is moved upwards to be separated from the furnace body 11, and the furnace cover 13 is rotated ninety degrees by taking the rotating support rod 14 as a fulcrum to be in a vertical state.

One end of a tubular or strip-shaped material is vertically placed at the center of a discharging bottom plate 51, the material is kept in a vertical state, a third motor 56 is started to drive a screw 57 to rotate, the upper end of the screw 57 is sleeved in a movable sleeve 58, the lower port of a hollow sliding chute 59 is provided with an inner threaded port 510 in threaded connection with the screw 57, meanwhile, a limiting sliding bolt 511 is clamped in a limiting guide groove 55, the limiting guide groove 55 has a limiting effect on the movable sleeve 58, the movable sleeve 58 slides downwards along the limiting guide groove 55, a linkage sleeve 514 drives a sliding block 516 to move towards the center of the discharging bottom plate 51 through a movable connecting rod 515, and two square chucks 517 are close to each other, so that the material can be clamped; the materials are placed in sequence.

Rotating the furnace cover 13 by ninety degrees by taking the rotating support rod 14 as a fulcrum, recovering to a horizontal state, driving the first telescopic rod 16 to contract until the furnace cover 13 is completely clamped with the furnace body 11, and clamping the sealing flange 17 with the upper port of the furnace body 11 to seal the furnace body 11; meanwhile, an air outlet bayonet 212 on the furnace cover 13 is clamped with a sealing clamping groove 213 on the furnace body 11; then extend through hydraulic tank 61 drive second telescopic link 62, impel cyclic annular mounting panel 63 to move down, and it is inconsistent with the material upper end until roof 66, when driven gear 45 drove blowing bottom plate 51 synchronous revolution, because spacing arch 65 movable mounting is in spacing sleeve 64, so roof 66 can rotate along with the material, and roof 66 contradicts with the material, can prevent that the material from rotating the in-process and taking place the slope and rocking.

The driving hydraulic rod 26 pushes up the partition plate 27 at the air inlet 23, the partition cavity 25 at the air inlet 23 is sealed, the partition plate 27 at the air outlet 21 contracts, the air outlet 21 is opened, the interior of the furnace body 11 is vacuumized through the vacuum machine 22 until the vacuum degree in the furnace body 11 reaches the standard, at the moment, the partition plate 27 at the air outlet 21 is pushed up, the air outlet 21 is sealed, the partition plate 27 at the air inlet 23 contracts, the air inlet 23 is opened, then nitrogen is filled into the interior of the furnace body 11 through the nitrogen filling machine 24, when the nitrogen amount is sufficient, the partition plate 27 at the air inlet 23 is pushed up, the air inlet 23 is closed, and the interior of the furnace body 11 is sealed.

The electric heating wire 12 is electrified to heat materials in the furnace body 11, meanwhile, the second motor 43 is started to drive the driving gear 44 to rotate, the driving gear 44 is meshed with the four driven gears 45 at the same time, the four driven gears 45 are driven to rotate at the same time, the driven gears 45 drive the discharging bottom plate 51 to rotate synchronously through the rotating shaft 46, namely, the materials are driven to rotate, namely, the materials rotate in situ at a constant speed, and the surfaces of the materials are guaranteed to be heated uniformly; when the electric heating wire 12 starts heating, the first motor 210 is started to drive the ventilation fan 211 to rotate, so that nitrogen in the furnace body 11 is sucked into the ventilation cavity 28, flows into the ventilation channel 214 through the air outlet bayonet 212, and finally flows back into the furnace body 11, thereby forming a cycle.

When the tempering is detected to be finished, the electric heating wire 12 is powered off, the heating is stopped, cooling liquid is introduced from the water inlet interface 32 and flows out from the water outlet interface 33; the cooling channel 31 is arranged in the ventilation channel 214, the nitrogen flowing in the furnace body 11 and the ventilation channel 214 can be rapidly cooled at the same time, and the cooled nitrogen flows back to the furnace body 11, so that the cooling speed can be increased; after cooling is completed, water supply is stopped, the rotation of the ventilating fan 211 and the driving gear 44 is stopped, the furnace cover is opened, after nitrogen in the furnace body 11 is diffused and air flows back, the third motor 56 is started to rotate reversely, the square clamping heads 517 are driven to separate, and then the materials can be taken out.

The foregoing shows and describes the general 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, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum tempering furnace for processing magnesium fluoride materials comprises a heating mechanism (1), a ventilation mechanism (2), a cooling mechanism (3), a rotating mechanism (4), a clamping mechanism (5) and a stabilizing mechanism (6); the method is characterized in that: the ventilation mechanism (2) and the cooling mechanism (3) are both arranged in the side wall of the heating mechanism (1), the cooling mechanism (3) is positioned outside the ventilation mechanism (2), and the rotating mechanism (4) is installed at the bottom end inside the heating mechanism (1); the clamping mechanism (5) is fixedly arranged on the rotating mechanism (4), and the stabilizing mechanism (6) is arranged at the upper end in the heating mechanism (1);

the heating mechanism (1) comprises a barrel-shaped furnace body (11), and an annular electric heating wire (12) is arranged on the inner side wall of the furnace body (11); the furnace is characterized in that a furnace cover (13) is arranged at the upper end of the furnace body (11), a handle is arranged on one side of the furnace cover (13), a rotating support rod (14) is arranged on the other side of the furnace cover (13), the rotating support rod (14) is rotatably arranged in a mounting block (15), the lower end of the mounting block (15) is fixedly arranged at the upper end of a first telescopic rod (16), and the first telescopic rod (16) is fixedly arranged on the outer side wall of the upper end of the furnace body (11); the lower end of the furnace cover (13) is provided with a circle of sealing flange (17), and the sealing flange (17) is matched with the upper port of the furnace body (11).

2. The vacuum tempering furnace for processing magnesium fluoride material according to claim 1, wherein: the air exchange mechanism (2) comprises an exhaust port (21) arranged on the side wall of the furnace body (11), and the exhaust port (21) is hermetically connected with an external vacuum machine (22); the side wall of the furnace body (11) is simultaneously provided with an air inlet (23), and the air inlet (23) is hermetically connected with an external nitrogen charging machine (24); air vent (21) with all set up one perpendicularly in the middle of air inlet (23) and cut off chamber (25), cut off hydraulic stem (26) of chamber (25) bottom installation, partition board (27) of hydraulic stem (26) upper end fixed connection, partition board (27) diameter size is greater than air inlet (23) with the diameter size of air vent (21).

3. The vacuum tempering furnace for processing the magnesium fluoride material according to claim 2, wherein: the air exchange mechanism (2) further comprises an air exchange cavity (28) arranged in the furnace cover (13), an air inlet through groove (29) is formed in the middle of the air exchange cavity (28), and the air inlet through groove (29) is communicated with the air exchange cavity (28) and the furnace body (11); a first motor (210) is arranged in the middle of the upper end face of the air exchange cavity (28), an air exchange fan (211) is arranged at the lower end of the first motor (210), and the air exchange fan (211) is positioned in the air inlet through groove (29); the periphery of the bottom surface of the air exchange cavity (28) is provided with a plurality of through air outlet bayonets (212); the utility model discloses a furnace body (11) is characterized in that furnace body (11) upper port side along being provided with sealed draw-in groove (213) that the bayonet socket (212) of giving vent to anger corresponds, sealed draw-in groove (213) lower extreme is provided with vertically passageway (214) of taking a breath, passageway (214) of taking a breath are located in furnace body (11) lateral wall, passageway (214) lower extreme intercommunication furnace body (11) take a breath.

4. The vacuum tempering furnace for processing the magnesium fluoride material according to claim 3, wherein: the cooling mechanism (3) comprises a cooling channel (31) arranged in the side wall of the furnace body (11) in a surrounding mode, and the cooling channel (31) is located on the outer side of the air exchange channel (214); the upper end of the cooling channel (31) is provided with a water inlet interface (32), and the lower end of the cooling channel (31) is provided with a water outlet interface (33).

5. The vacuum tempering furnace for processing magnesium fluoride material according to claim 4, wherein: the rotating mechanism (4) comprises an installation plate (41) fixedly arranged at the lower end inside the furnace body (11), four supporting bosses (42) are arranged on the upper end surface of the installation plate (41), and the four supporting bosses (42) are positioned on four vertexes of the same circle; a second motor (43) is installed below the installation plate (41), a driving gear (44) is installed at the upper end of the second motor (43), and the driving gear (44) is located in the middle of the upper end face of the installation plate (41); driven gears (45) with the same specification are respectively arranged on the four supporting bosses (42), the four driven gears (45) are all meshed with the driving gear (44), and the four driven gears (45) are not in direct contact; four driven gear (45) upper end respectively coaxial setting one with the pivot (46) of specification, simultaneously driven gear (45) upper end sets up a division board (47), division board (47) fixed mounting in furnace body (11), pivot (46) all penetrate to division board (47) upper end.

6. The vacuum tempering furnace for processing magnesium fluoride material according to claim 5, wherein: the clamping mechanism (5) comprises a discharging bottom plate (51) coaxially mounted at the upper end of the rotating shaft (46), a movable groove (52) is arranged in the discharging bottom plate (51), two guide grooves (53) are symmetrically arranged on the upper end surface of the discharging bottom plate (51), and the guide grooves (53) are communicated with the movable groove (52); a limiting sliding groove (54) is formed in the middle of the lower end of the movable groove (52), and two limiting guide grooves (55) are symmetrically formed in two ends of the limiting sliding groove (54).

7. The vacuum tempering furnace for processing magnesium fluoride material according to claim 6, wherein: the clamping mechanism (5) further comprises a third motor (56) fixedly mounted at the bottom of the limiting sliding groove (54), the upper end of the third motor (56) is connected with a screw rod (57), the upper end of the screw rod (57) is sleeved in a movable sleeve (58), a hollow sliding groove (59) is formed in the movable sleeve (58), an inner threaded opening (510) is formed in the lower end opening of the hollow sliding groove (59), and the inner threaded opening (510) is in threaded connection with the screw rod (57); two limiting sliding bolts (511) are symmetrically arranged on the outer side of the lower end of the movable sleeve (58), and the limiting sliding bolts (511) are clamped in the limiting guide grooves (55).

8. The vacuum tempering furnace for processing magnesium fluoride material according to claim 7, wherein: fixture (5) still including fixed and coaxial setting be in toggle (512) of movable sleeve pipe (58) upper end, toggle (512) upper end sets up a clamp plate (513), a linkage sleeve pipe (514) cup joints in toggle (512), linkage sleeve pipe (514) bilateral symmetry sets up two connectors, swing joint movable connecting rod (515) on the connector, movable connecting rod (515) other end swing joint is at a slider (516) lower extreme, slider (516) clamp is in guide slot (53), slider (516) upper end is close to the one end at blowing bottom plate (51) center sets up one square chuck (517).

9. The vacuum tempering furnace for processing magnesium fluoride material according to claim 8, wherein: the stabilizing mechanism (6) comprises a hydraulic tank (61) arranged in the furnace cover (13), the hydraulic tank (61) is positioned at the upper end of the air exchange cavity (28), the lower end of the hydraulic tank (61) is connected with two second telescopic rods (62), the second telescopic rods (62) penetrate through the air exchange cavity (28), the lower ends of the second telescopic rods (62) extend out of the lower end of the furnace cover (13), the lower ends of the two second telescopic rods (62) are simultaneously connected to two ends of an annular mounting plate (63), four limiting sleeves (64) are arranged at the lower end of the annular mounting plate (63), and the limiting sleeves (64) correspond to the positions of the discharge bottom plate (51); the lower end of the limiting sleeve (64) is sleeved with a limiting bulge (65), and the lower end of the limiting bulge (65) is fixedly connected with a top plate (66).