CN218455362U - Vertical vacuum furnace - Google Patents
Vertical vacuum furnace Download PDFInfo
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- CN218455362U CN218455362U CN202221990670.9U CN202221990670U CN218455362U CN 218455362 U CN218455362 U CN 218455362U CN 202221990670 U CN202221990670 U CN 202221990670U CN 218455362 U CN218455362 U CN 218455362U
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Abstract
The utility model discloses a vertical vacuum furnace, including support assembly, vacuum furnace lid, control box, spray column, water ring vacuum pump, inside support, bell mechanism, bell lifting and drop rotating mechanism and garbage collection mechanism that open and shut. The vertical vacuum furnace is convenient for driving the vacuum furnace cover to open and close under the control of the controller by utilizing the furnace cover opening and closing mechanism, and the vacuum furnace cover can be tightly pressed at the furnace mouth of the vacuum furnace so as to ensure the air tightness of the vacuum furnace; the furnace cover lifting and rotating mechanism is used for driving the vacuum furnace cover to lift or rotate under the control of the controller and driving the inner support to enter and exit the vacuum furnace, so that an operator can conveniently carry out feeding or discharging; the waste collecting mechanism is used for receiving waste generated in the heating process, and the waste is prevented from being accumulated at the bottom of the vacuum furnace.
Description
Technical Field
The utility model relates to a vacuum furnace, in particular to a vertical vacuum furnace.
Background
The vacuum furnace, namely, a vacuum system is utilized to discharge partial substances in the furnace chamber in a specific space of the furnace chamber, so that the pressure in the furnace chamber is less than a standard atmospheric pressure, and the space in the furnace chamber realizes a vacuum state; the traditional vacuum furnace is inconvenient to take materials, and waste materials generated by the materials in the heating process can be accumulated in the vacuum furnace.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the vertical vacuum furnace is provided, so that the materials can be conveniently taken, and meanwhile, the waste materials are conveniently treated.
The technical scheme is as follows: the utility model provides a vertical vacuum furnace, which comprises a bracket assembly, a vacuum furnace cover, a control box, a spray tower, a water ring vacuum pump, an internal bracket, a furnace cover opening and closing mechanism, a furnace cover lifting and rotating mechanism and a waste collecting mechanism;
the vacuum furnace is arranged on the bracket assembly; the furnace cover lifting and rotating mechanism is arranged on the support assembly, the furnace cover opening and closing mechanism is arranged on the furnace cover lifting and rotating mechanism, the vacuum furnace cover is arranged on the furnace cover opening and closing mechanism, the furnace cover opening and closing mechanism drives the vacuum furnace cover to open and close, and the furnace cover lifting and rotating mechanism is used for driving the vacuum furnace cover and the furnace cover opening and closing mechanism to rotate and lift; the inner bracket is arranged on the vacuum furnace cover and used for placing a workpiece to be heated; the waste collecting mechanism is connected to the bottom of the vacuum furnace in a communicating manner and is used for receiving waste generated in the heating process; the spray tower is communicated with the vacuum furnace through a connecting pipe; the water ring vacuum pump is used for pumping air from the spray tower; a controller is arranged in the control box; the water-ring vacuum pump is electrically connected with the controller through a vacuum pump driving circuit; the furnace cover opening and closing mechanism and the furnace cover lifting and rotating mechanism are driven and controlled by the controller.
Further, the support assembly comprises a bottom plate, an upper plate, a ladder stand and a plurality of support columns; the lower ends of the pillars are fixed on the bottom plate, and the upper ends of the pillars are fixed on the upper plate; the upper side of the ladder stand is fixed at one side edge of the upper plate; a guardrail is arranged on the edge of the upper plate; the vacuum furnace is fixed on the upper plate in a penetrating way.
Furthermore, the internal support comprises a plurality of object placing discs and a plurality of vertical rods; the upper end of the connecting pipe penetrates through the outer wall of the vacuum furnace and is fixed on the inner container of the vacuum furnace in a communicating manner; a plurality of vertical electric heating pipes are distributed on the inner side wall of the inner container of the vacuum furnace; an electric control switch electrically connected with the controller is connected in series on a power supply bus circuit of the electric heating pipe; a lug boss which is used for extending into the furnace mouth of the vacuum furnace is arranged on the lower side surface of the vacuum furnace cover; the upper end of each vertical rod is fixed on the boss, and the lower end of each vertical rod penetrates through and is fixed on each object placing plate in sequence; the bottom of the inner container of the vacuum furnace is provided with a funnel-shaped bottom which penetrates through the outer wall, and the waste material collecting mechanism is butted with the funnel-shaped bottom; an insulating layer is filled between the outer wall of the vacuum furnace and the inner container.
Furthermore, a sealing ring which is tightly pressed on the inner wall of the furnace mouth of the vacuum furnace is arranged on the vertical side surface of the boss.
Furthermore, the furnace cover opening and closing mechanism comprises an opening and closing driving motor, a driving bevel gear and four opening and closing branches; each opening and closing branch comprises an opening and closing driving screw rod, an opening and closing internal thread sleeve and a driven bevel gear;
an extrusion ring is integrally arranged on the upper edge of a furnace mouth of the vacuum furnace; the opening and closing driving motor is arranged on the furnace cover lifting and rotating mechanism; the driving bevel gear is arranged on an output shaft of the opening and closing driving motor; four guide seats are arranged on the upper side surface of the vacuum furnace cover; the open-close internal thread sleeve is horizontally inserted on the guide seat in a sliding manner; one end of the opening and closing driving screw rod is screwed on one end of the opening and closing internal thread sleeve; the driven bevel gears are arranged at the other end of the opening-closing driving screw rod, and the driven bevel gears of the four opening-closing branches are all meshed with the driving bevel gear; the other end of the opening and closing internal thread sleeve is provided with a lock head, and a lock catch groove is arranged on the lock head; the lower groove surface of the lock catch groove is a slope surface and is used for ejecting the extrusion ring upwards; an opening and closing unit protective cover is arranged outside the driving bevel gear and the four driven bevel gears and is fixedly connected between the vacuum furnace cover and the furnace cover lifting and rotating mechanism; the opening and closing driving motor is electrically connected with the controller through an opening and closing driving circuit.
Further, the furnace cover lifting and rotating mechanism comprises a rotating pipe, a lifting driving unit and a rotating driving unit; the lifting driving unit comprises a lifting driving screw rod, a lifting driving bracket and a lifting driving motor;
the rotary driving unit is arranged at the lower side of the bracket assembly; the lower end of the rotating pipe is arranged on the rotating driving unit, the middle part of the rotating pipe penetrates through the bracket assembly in a rotating mode, and the rotating driving unit drives the rotating pipe to rotate; the lifting driving screw rod is coaxially arranged in the rotating pipe in a rotating way; a lifting block is screwed on the lifting driving screw rod through threads; a strip hole is vertically arranged on the upper side of the rotating pipe; a lifting driving seat surrounding the rotating pipe is arranged at one end of the lifting driving support, and the lifting driving seat and the lifting block are fixedly connected through a connecting block penetrating through the strip hole; the furnace cover opening and closing mechanism is arranged on the lifting driving support; the lifting driving motor is arranged on the rotating pipe and drives the lifting driving screw rod to rotate through the transmission of a gear penetrating through the rotating pipe; the lifting driving motor is electrically connected with the controller through a lifting driving circuit.
Furthermore, an L-shaped bracket is arranged on the upper side of the bracket assembly; the upper end of the rotating pipe is rotatably arranged on a horizontal bracket plate of the L-shaped bracket.
Further, the rotation driving unit comprises a rotation base, a rotation driving motor, a rotation driving worm and a rotation driving worm wheel; the lower end of the rotating pipe is rotatably arranged on the rotating base; a worm mounting plate is arranged on the rotary base; the rotary driving worm is horizontally arranged on the worm mounting plate in a rotary manner; the rotary driving worm wheel is arranged on the rotary pipe and meshed with the rotary driving worm; the rotary driving motor is used for driving the rotary driving worm to rotate; the rotation driving motor is electrically connected with the controller through the rotation driving circuit, and the controller drives the rotation driving motor through the rotation driving circuit.
Further, the waste collecting mechanism comprises a sealing barrel, a butt joint pipe, a waste collecting box, a sealing barrel cover, a barrel cover locking structure and two rails;
the sealing barrel is horizontally arranged at the lower side of the bracket assembly; the lower end of the butt joint pipe is fixed on the sealing barrel in a communicating way, and the upper end of the butt joint pipe is communicated and butted with the inner container of the vacuum furnace; the barrel cover locking structure is hinged to the sealing barrel, the sealing barrel cover is arranged on the barrel cover locking structure and used for covering the barrel opening of the sealing barrel, and the barrel cover locking structure is used for compressing and locking the sealing barrel cover; the two rails are horizontally arranged in the sealed barrel in a parallel mode; the waste collecting box is positioned in the sealed barrel, and a plurality of rollers which respectively walk on the two rails are arranged on the lower side surface.
Further, the barrel cover locking structure comprises a U-shaped locking rod, a T-shaped bolt rod, a jacking screw rod and a handle rod;
a locking seat is arranged at the opening of the sealing barrel; one end of the U-shaped lock rod is hinged on the sealing barrel, and the other end of the U-shaped lock rod is locked on the locking seat through a T-shaped bolt rod; a jacking internal thread pipe is fixed in the middle of the U-shaped lock rod in a penetrating way; the jacking screw rod penetrating type threads are screwed on the jacking internal thread pipe; one end of the jacking screw rod is rotatably arranged on the sealing barrel cover; the handle rod is fixed on the other end of the jacking screw rod in a penetrating way.
Compared with the prior art, the utility model, its beneficial effect is: the furnace cover opening and closing mechanism is used for conveniently driving the vacuum furnace cover to open and close under the control of the controller, and the vacuum furnace cover can be tightly pressed at the furnace mouth of the vacuum furnace to ensure the air tightness of the vacuum furnace; the furnace cover lifting and rotating mechanism is used for driving the vacuum furnace cover to lift or rotate under the control of the controller and driving the inner support to enter and exit the vacuum furnace, so that an operator can conveniently carry out feeding or discharging; the waste collecting mechanism is used for receiving waste generated in the heating process, and the waste is prevented from being accumulated at the bottom of the vacuum furnace.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the protective cover of the rotary unit of the present invention;
FIG. 3 is a cross-sectional view of the vacuum furnace of the present invention;
fig. 4 is a partial cross-sectional view of the sealed barrel of the present invention;
fig. 5 is a schematic diagram of the circuit structure of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1-5, the utility model provides a vertical vacuum furnace includes: the device comprises a support assembly, a vacuum furnace 201, a vacuum furnace cover 202, a control box 7, a spray tower 501, a water-ring vacuum pump 502, an internal support, a furnace cover opening and closing mechanism, a furnace cover lifting and rotating mechanism and a waste material collecting mechanism;
the vacuum furnace 201 is installed on the bracket assembly, and stable installation conditions are provided by the bracket assembly; the furnace cover lifting and rotating mechanism is arranged on the support assembly, the furnace cover opening and closing mechanism is arranged on the furnace cover lifting and rotating mechanism, the vacuum furnace cover 202 is arranged on the furnace cover opening and closing mechanism, the furnace cover opening and closing mechanism drives the vacuum furnace cover 202 to open and close, and the furnace cover lifting and rotating mechanism is used for driving the vacuum furnace cover 202 and the furnace cover opening and closing mechanism to rotate and lift; the inner bracket is arranged on the vacuum furnace cover 202 and is used for placing a workpiece to be heated; the waste collecting mechanism is connected to the bottom of the vacuum furnace 201 in a communicating manner and is used for receiving waste generated in the heating process; the spray tower 501 is mounted on the bracket assembly; the spray tower 501 is communicated with the vacuum furnace 201 through a connecting pipe 505; a water-ring vacuum pump 502 is mounted on the bracket assembly and used for pumping air from the spray tower 501; a steam-water separator 506 is arranged on the gas outlet pipe of the water-ring vacuum pump 502; the control box 7 is arranged on the bracket assembly; a controller is arranged in the control box 7; the water-ring vacuum pump 502 is electrically connected with the controller through a vacuum pump driving circuit, and the controller drives the water-ring vacuum pump 502 through the vacuum pump driving circuit; the furnace cover opening and closing mechanism and the furnace cover lifting and rotating mechanism are driven and controlled by the controller; a key panel 8 electrically connected to the controller is mounted on the control box 7.
The furnace cover opening and closing mechanism is used for conveniently driving the vacuum furnace cover 202 to open and close under the control of the controller, and the vacuum furnace cover 202 can be tightly pressed at the furnace opening of the vacuum furnace 201 to ensure the air tightness of the vacuum furnace 201; the furnace cover lifting and rotating mechanism is used for conveniently driving the vacuum furnace cover 202 to lift or rotate under the control of the controller and driving the inner support to enter and exit the vacuum furnace 201, so that an operator can conveniently carry out feeding or discharging; a waste collecting mechanism is used for receiving waste generated in the heating process, so that the waste is prevented from being accumulated at the bottom of the vacuum furnace 201; the button panel 8 is convenient for an operator to control the furnace cover opening and closing mechanism and the furnace cover lifting and rotating mechanism through the controller; the gas pumped out by the water-ring vacuum pump 502 is sprayed and filtered by the spray tower 501, so that harmful substances in the gas are reduced; the steam-water separator 506 is used for separating water vapor in the exhaust gas of the water-ring vacuum pump 502.
Further, the support assembly comprises a bottom plate 103, an upper plate 101, a ladder 104 and a plurality of supports 102; the lower end of each strut 102 is fixed on the bottom plate 103, and the upper end is fixed on the upper plate 101; the upper side of the ladder stand 104 is fixed at one side edge of the upper plate 101; a guardrail 105 is arranged on the edge of the upper plate 101; the vacuum furnace 201 is fixed on the upper plate 101 in a penetrating way; the control box 7 is mounted on one of the posts 102; the spray tower 501 and the water ring vacuum pump 502 are both mounted on the base plate 103.
The structure of the bracket assembly is utilized to provide reliable installation conditions for each part; the crawling ladder 104 is used for facilitating an operator to climb the upper plate 101 to observe the conditions in the vacuum furnace cover 202, and simultaneously facilitating maintenance of the furnace cover opening and closing mechanism and the furnace cover lifting and rotating mechanism.
Further, the inner support comprises a plurality of tray 206 and a plurality of vertical rods 205; the upper end of the connecting pipe 505 penetrates through the outer wall of the vacuum furnace 201 and is fixed on the inner container of the vacuum furnace 201 in a communicating manner; a plurality of vertical electric heating pipes 204 are distributed on the inner side wall of the inner container of the vacuum furnace 201; an electric control switch electrically connected with the controller is connected in series on a power supply bus circuit of the electric heating pipe 204; a lug boss 209 for extending into the furnace mouth of the vacuum furnace 201 is arranged on the lower side surface of the vacuum furnace cover 202; the upper end of each vertical rod 205 is fixed on the boss 209, the lower end of each vertical rod penetrates and is fixed on each object placing disc 206 in sequence, and each object placing disc 206 can be taken out through the furnace mouth; the bottom of the inner container of the vacuum furnace 201 is arranged to be a funnel-shaped bottom which penetrates through the outer wall, and the waste material collecting mechanism is butted with the funnel-shaped bottom; an insulating layer is filled between the outer wall of the vacuum furnace 201 and the inner container; an air pressure sensor 11 and a temperature sensor 12 with detection ends extending into the vacuum furnace 201 are arranged on the vacuum furnace cover 202, and the air pressure sensor 11 and the temperature sensor 12 are both electrically connected with a controller; a display 9 and an alarm 10 electrically connected to the controller are mounted on the control box 7.
The vacuum heating in the vacuum furnace 201 is realized by the electric heating tube 204, and meanwhile, the controller can control the electric heating tube 204 to be powered on or powered off through the electric control switch, so that the temperature in the vacuum furnace 201 can be conveniently controlled; the air pressure sensor 11 and the temperature sensor 12 are used for detecting the temperature and the air pressure in the vacuum furnace 201 and transmitting the data to the controller, and the controller puts the air pressure data and the temperature data on the display screen 9 in real time, so that the controller can automatically control the electric heating pipe 204 and the water-ring vacuum pump 502 according to the data; when the temperature exceeds a set maximum threshold value, the alarm 10 is used for carrying out audible and visual alarm; the heat preservation layer is utilized to enhance the heating efficiency and prevent the heat from dissipating; the use of the hopper 208 facilitates the falling waste material to slide down into the waste collection mechanism.
Further, a sealing ring 308 which is tightly pressed on the inner wall of the furnace mouth of the vacuum furnace 201 is arranged on the vertical side surface of the boss 209. The sealing ring 308 enhances the sealing performance of the furnace mouth of the vacuum furnace 201.
Further, the furnace cover opening and closing mechanism comprises an opening and closing driving motor 304, a driving bevel gear 306 and four opening and closing branches; each opening and closing branch comprises an opening and closing driving screw rod 302, an opening and closing internal thread sleeve 310 and a driven bevel gear 307;
an extrusion ring 210 is integrally arranged on the upper edge of the furnace mouth of the vacuum furnace 201; the opening and closing driving motor 304 is arranged on the furnace cover lifting and rotating mechanism; a driving bevel gear 306 is mounted on the output shaft of the opening and closing drive motor 304; four guide seats 303 are arranged on the upper side surface of the vacuum furnace cover 202; the opening and closing internal thread sleeve 310 is horizontally inserted on the guide seat 303 in a sliding manner; one end of the opening and closing driving screw rod 302 is screwed on one end of the opening and closing internal thread sleeve 310; the driven bevel gear 307 is arranged at the other end of the opening and closing driving screw rod 302, and the driven bevel gears 307 of the four opening and closing branches are all meshed with the driving bevel gear 306; a locking head 305 is arranged at the other end of the opening and closing internal thread sleeve 310, and a locking groove is arranged on the locking head 305; the lower groove surface of the lock catch groove is provided with a slope surface for pushing the extrusion ring 210 upwards; an opening and closing unit protection cover 301 is arranged outside the driving bevel gear 306 and the four driven bevel gears 307, and the opening and closing unit protection cover 301 is fixedly connected between the vacuum furnace cover 202 and the furnace cover lifting and rotating mechanism; sealing ring grooves which correspond up and down are respectively arranged on the lower side surface of the vacuum furnace cover 202 and the upper side surface of the extrusion ring 210; a sealing ring 309 is clamped between the two sealing ring grooves; the opening and closing driving motor 304 is electrically connected with the controller through an opening and closing driving circuit, and the controller drives the opening and closing driving motor 304 through the opening and closing driving circuit.
The vacuum furnace cover 202 can be locked by matching the driving bevel gear 306 and the four opening and closing branches, the opening and closing driving motor 304 is driven by the controller to rotate, the driving bevel gear 306 drives the four driven bevel gears 307 to rotate, the four opening and closing internal thread sleeves 310 rotate to drive the four opening and closing internal thread sleeves 310 to synchronously extend and retract, and the vacuum furnace cover 202 is locked when the opening and closing internal thread sleeves 310 drive the two horizontal rods of the locking claw 305 to clamp the extrusion ring 210 and the edge of the vacuum furnace cover 202; the pressing ring 210 is pushed upwards by utilizing the slope surface to ensure that the edge of the vacuum furnace cover 202 can be tightly attached to the pressing ring 210; the sealing ring 309 is used to enhance airtightness.
Further, the furnace cover lifting and rotating mechanism comprises a rotating pipe 403, an L-shaped bracket 401, a lifting driving unit and a rotating driving unit; the lifting driving unit comprises a lifting driving screw 405, a lifting driving bracket 410 and a lifting driving motor 406;
the rotation driving unit is mounted on the base plate 103; the lower end of a vertical support plate of the L-shaped support 401 is fixed on the upper plate 101; the lower end of the rotary pipe 403 is arranged on the rotary driving unit, the upper end of the rotary pipe 403 is rotatably arranged on the horizontal bracket plate of the L-shaped bracket 401, the middle part of the rotary pipe penetrates through the upper plate 101 in a rotating manner, and the rotary pipe 403 is driven to rotate by the rotary driving unit; the lifting driving screw rod 405 is coaxially arranged in the rotating pipe 403 in a rotating mode; a lifting block is screwed on the lifting driving screw rod 405; a long hole 404 is vertically arranged on the upper side of the rotating pipe 403; a lifting driving seat 409 surrounding the rotating pipe 403 is arranged at one end of the lifting driving support 410, and the lifting driving seat 409 and the lifting block are connected and fixed through a connecting block penetrating through the strip hole 404; the opening and closing driving motor 304 is installed on the lifting driving bracket 410; the opening and closing unit protection cover 301 is fixedly connected between the vacuum furnace cover 202 and the lifting driving bracket 410; the lifting driving motor 406 is installed on the rotating pipe 403 and drives the lifting driving screw rod 405 to rotate through gear transmission penetrating through the rotating pipe 403; the elevation driving motor 406 is electrically connected to the controller through an elevation driving circuit, and the controller drives the elevation driving motor 406 through the elevation driving circuit.
The lifting driving of the vacuum furnace cover 202 is realized by the cooperation of the rotary pipe 403, the lifting driving screw rod 405 and the lifting driving motor 406, the lifting driving motor 406 drives the lifting driving screw rod 405 to rotate through gear transmission under the control of the controller, the lifting block drives the lifting driving seat 409 to move up and down along the lifting driving screw rod 405, so that the lifting driving support 410 drives the furnace cover opening and closing mechanism and the vacuum furnace cover 202 to lift, and simultaneously drives the inner support to move up and down.
Further, an L-shaped bracket 401 is arranged on the upper side of the bracket assembly; the upper end of the rotary pipe 403 is rotatably mounted on the horizontal bracket plate of the L-shaped bracket 401. The L-shaped bracket 401 is used for providing auxiliary support for the rotary pipe 403, and the structural strength is improved.
Further, the rotation driving unit includes a rotation base 408, a rotation driving motor 411, a rotation driving worm 412, and a rotation driving worm wheel 413; the lower end of the rotary pipe 403 is rotatably mounted on the rotary base 408; a worm mounting plate is mounted on the rotating base 408; the rotary driving worm 412 is horizontally arranged on the worm mounting plate in a rotary manner; a rotary driving worm gear 413 is installed on the rotary pipe 403, and the rotary driving worm gear 413 is engaged with the rotary driving worm 412; the rotation driving motor 411 is used for driving the rotation driving worm 412 to rotate; a rotary unit protection cover 407 is provided on the outer cover of the rotary drive motor 411, the rotary drive worm 412, and the rotary drive worm gear 413; the rotation driving motor 411 is electrically connected to a controller via a rotation driving circuit, and the controller drives the rotation driving motor 411 via the rotation driving circuit.
The horizontal position adjustment of the vacuum furnace cover 202 is realized by utilizing the cooperation between the rotary driving worm 412, the rotary driving worm gear 413, the rotary base 408 and the rotary pipe 403, the rotary driving motor 411 drives the rotary driving worm 412 to rotate under the control of the controller, the rotary driving worm gear 413 drives the rotary pipe 403 to rotate, the lifting driving seat 409 drives the worm mounting plate to rotate so as to adjust the horizontal position of the furnace cover opening and closing mechanism and the vacuum furnace cover 202, meanwhile, the inner support is driven to carry out horizontal position adjustment, and the inner support is switched to a feeding and discharging station by matching with the furnace cover lifting and rotating mechanism.
Further, the waste collecting mechanism comprises a sealing barrel 607, a butt joint pipe, a waste collecting box 608, a sealing barrel cover 601, a barrel cover locking structure and two rails 609;
the sealing barrel 607 is horizontally arranged at the lower side of the bracket assembly; the lower end of the butt joint pipe is fixed on the sealing barrel 607 in a communicating way, and the upper end is communicated and butted with the funnel-shaped bottom of the inner container of the vacuum furnace 201; the barrel cover locking structure is hinged to the sealing barrel 607, the sealing barrel cover 601 is arranged on the barrel cover locking structure and is used for covering the barrel opening of the sealing barrel 607, and the barrel cover locking structure is used for compressing and locking the sealing barrel cover 601; the two rails 609 are horizontally arranged in the sealed barrel 607 in parallel; a waste collection tank 608 is located inside the sealed tub 607, and a plurality of rollers 611 respectively running on two rails 609 are mounted on the lower side surface of the waste collection tank 608.
The cooperation between the rail 609 and the roller 611 is used to facilitate the extraction of the scrap collection box 608; the sealing barrel cover 601 is tightly pressed at the barrel opening of the sealing barrel 607 by utilizing the barrel cover locking structure, so that the air tightness is enhanced.
Further, the barrel cover locking structure comprises a U-shaped locking rod 602, a T-shaped bolt rod 604, a jacking screw rod 605 and a handle rod 603;
a locking seat 606 is arranged at the bung of the sealing barrel 607; one end of the U-shaped locking lever 602 is hinged on the sealing barrel 607, and the other end is locked on the locking seat 606 through the T-shaped bolt lever 604; a jacking internal thread pipe 610 is fixed in the middle of the U-shaped lock rod 602 in a penetrating manner; the jacking screw rod 605 is screwed on the jacking inner threaded pipe 610 through a penetrating thread; one end of the jacking screw rod 605 is rotatably arranged on the sealing barrel cover 601; the handle rod 603 is fixed on the other end of the jacking screw rod 605 in a penetrating way, and the axis of the handle rod 603 is vertical to the jacking screw rod 605.
When the sealing barrel cover 601 needs to be closed, the T-shaped bolt rod 604 is inserted into the two locking plates 606 and the U-shaped locking rod 602 to provide a counterforce required for tightly jacking the sealing barrel cover 601 for jacking the lead screw 605, and meanwhile, the sealing barrel cover 601 is hinged to the sealing barrel 607; the jacking screw rod 605 and the jacking internal thread pipe 610 are used for jacking the sealing barrel cover 601, so that the air tightness is enhanced; the handle bar 603 is used to facilitate rotation against the internally threaded tube 610.
In the vertical vacuum furnace provided by the utility model, the controller adopts the existing single chip microcomputer control module for realizing coordination control; the opening and closing drive motor 304 and the lifting drive motor 406 both adopt the existing stepping motors; the opening and closing drive circuit and the lifting drive circuit adopt corresponding stepping motor drive circuits; the alarm 10 adopts the existing audible and visual alarm; the display screen 9 adopts the existing display screen; the air pressure sensor 11 and the temperature sensor 12 are all existing digital sensors; the water-ring vacuum pump 502 is an existing water-ring vacuum pump; the steam-water separator adopts the existing steam-water separator.
When the vertical vacuum furnace provided by the utility model is installed and used, the threshold value of the temperature in the vacuum furnace 201 is preset; the inner support and the vacuum furnace cover 202 are both positioned below the front side of the support assembly, namely on the feeding and discharging station;
firstly, uniformly placing materials on an inner bracket; an operator sends a signal to the controller through the key panel, and the controller controls the furnace cover lifting rotating machine to move the inner support into the vacuum furnace 201; the controller drives the lifting driving motor 406 to rotate through the lifting driving circuit, the gear drives the lifting driving screw rod 405 to rotate, the lifting block drives the lifting driving seat 409 to move upwards along the lifting driving screw rod 405, so that the lifting driving support 410 drives the furnace cover opening and closing mechanism, the vacuum furnace cover 202 and the inner support to ascend, the controller drives the rotating driving motor 411 to rotate through the rotating driving circuit, the rotating driving worm wheel 413 drives the rotating pipe 403 to rotate, the lifting driving seat 409 drives the worm mounting plate to rotate so as to adjust the horizontal positions of the furnace cover opening and closing mechanism, the vacuum furnace cover 202 and the inner support until the vacuum furnace cover 202 is vertically aligned with the extrusion ring 210, and the controller controls the lifting driving motor 406 to drive the vacuum furnace cover 202 to move downwards until the inner support is placed into the vacuum furnace 201 and the vacuum furnace cover 202 is pressed on the extrusion ring 210;
then the controller drives the furnace cover opening and closing mechanism to lock the vacuum furnace cover 202; the controller drives the opening and closing driving motor 304 to rotate through an opening and closing driving circuit, the driving bevel gear 306 drives the four driven bevel gears 307 to rotate, the four opening and closing internal thread sleeves 310 rotate to drive the four opening and closing internal thread sleeves 310 to retract synchronously, and the extrusion ring 210 is pushed against the slope surface of the locking claw 305 until the two horizontal rods of the locking claw 305 clamp the extrusion ring 210 and the vacuum furnace cover 202 and the edge;
the controller drives the water-ring vacuum pump 502 to pump air, the gas in the vacuum furnace 201 is sucked into the spray tower 501 for spray filtration, and the filtered gas is discharged into the steam-water separator by the water-ring vacuum pump 502 for separation and then discharged;
then the controller controls the electric control switch to be closed to enable each electric heating tube 204 to be electrified; the air pressure sensor 11 and the temperature sensor 12 detect the air pressure and the temperature in the vacuum furnace 201 in real time, and transmit data to the controller, the controller puts the data on the display screen 9 in real time, and when the controller judges that the temperature exceeds a set maximum threshold, the controller controls the alarm 10 to send out an audible and visual alarm signal;
waste material produced during the heating process falls through hopper 208 into waste collection bin 608; when the waste is required to be poured, the handle rod 603 is rotated to drive the jacking screw rod 605 to rotate, the force pressing on the sealing barrel cover 601 is reduced, the T-shaped plug pin 604 is pulled out to open the sealing barrel cover 601, and the waste collection box 608 is taken out to be poured.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The vertical vacuum furnace is characterized in that: the device comprises a support assembly, a vacuum furnace (201), a vacuum furnace cover (202), a control box (7), a spray tower (501), a water ring vacuum pump (502), an internal support, a furnace cover opening and closing mechanism, a furnace cover lifting and rotating mechanism and a waste collecting mechanism;
the vacuum furnace (201) is arranged on the bracket assembly; the furnace cover lifting and rotating mechanism is arranged on the support assembly, the furnace cover opening and closing mechanism is arranged on the furnace cover lifting and rotating mechanism, the vacuum furnace cover (202) is arranged on the furnace cover opening and closing mechanism, the furnace cover opening and closing mechanism drives the vacuum furnace cover (202) to open and close, and the furnace cover lifting and rotating mechanism is used for driving the vacuum furnace cover (202) and the furnace cover opening and closing mechanism to rotate and lift; the inner bracket is arranged on a vacuum furnace cover (202) and used for placing a workpiece to be heated; the waste collecting mechanism is connected to the bottom of the vacuum furnace (201) in a communicating and butt joint mode and used for receiving waste generated in the heating process; the spray tower (501) is communicated with the vacuum furnace (201) through a connecting pipe (505); the water ring vacuum pump (502) is used for pumping air from the spray tower (501); a controller is arranged in the control box (7); the water-ring vacuum pump (502) is electrically connected with the controller through a vacuum pump driving circuit; the furnace cover opening and closing mechanism and the furnace cover lifting and rotating mechanism are driven and controlled by the controller.
2. The vertical vacuum furnace according to claim 1, wherein: the support assembly comprises a bottom plate (103), an upper plate (101), a ladder stand (104) and a plurality of support columns (102); the lower ends of the pillars (102) are fixed on the bottom plate (103), and the upper ends of the pillars are fixed on the upper plate (101); the upper side of the ladder stand (104) is fixed at one side edge of the upper plate (101); a guardrail (105) is arranged on the edge of the upper plate (101); the vacuum furnace (201) is fixed on the upper plate (101) in a penetrating way.
3. The vertical vacuum furnace according to claim 1, wherein: the inner bracket comprises a plurality of object placing discs (206) and a plurality of vertical rods (205); the upper end of the connecting pipe (505) penetrates through the outer wall of the vacuum furnace (201) and is fixed on the inner container of the vacuum furnace (201) in a communicating manner; a plurality of vertical electric heating pipes (204) are distributed on the inner side wall of the inner container of the vacuum furnace (201); an electric control switch electrically connected with the controller is connected in series on a power supply bus circuit of the electric heating pipe (204); a lug boss (209) used for extending into a furnace opening of the vacuum furnace (201) is arranged on the lower side surface of the vacuum furnace cover (202); the upper end of each vertical rod (205) is fixed on the boss (209), and the lower end of each vertical rod penetrates and is fixed on each object placing disc (206) in sequence; the bottom of the inner container of the vacuum furnace (201) is arranged to be a funnel-shaped bottom penetrating through the outer wall, and the waste material collecting mechanism is butted with the funnel-shaped bottom; an insulating layer is filled between the outer wall of the vacuum furnace (201) and the inner container.
4. The vertical vacuum furnace according to claim 3, wherein: a sealing ring (308) which is tightly pressed on the inner wall of the furnace mouth of the vacuum furnace (201) is arranged on the vertical side surface of the lug boss (209).
5. The vertical vacuum furnace according to claim 1, wherein: the furnace cover opening and closing mechanism comprises an opening and closing driving motor (304), a driving bevel gear (306) and four opening and closing branches; each opening and closing branch comprises an opening and closing driving screw rod (302), an opening and closing internal thread sleeve (310) and a driven bevel gear (307);
an extrusion ring (210) is integrally arranged on the upper edge of a furnace mouth of the vacuum furnace (201); the opening and closing driving motor (304) is arranged on the furnace cover lifting and rotating mechanism; the driving bevel gear (306) is arranged on an output shaft of the opening and closing driving motor (304); four guide seats (303) are arranged on the upper side surface of the vacuum furnace cover (202); the opening and closing internal thread sleeve (310) is horizontally inserted on the guide seat (303) in a sliding manner; one end of the opening and closing driving screw rod (302) is screwed on one end of the opening and closing internal thread sleeve (310); the driven bevel gears (307) are arranged at the other end of the opening and closing driving screw rod (302), and the driven bevel gears (307) of the four opening and closing branches are all meshed with the driving bevel gear (306); a lock head (305) is arranged at the other end of the opening and closing internal thread sleeve (310), and a lock catch groove is arranged on the lock head (305); the lower groove surface of the lock catch groove is provided with a slope surface for pushing the extrusion ring (210) upwards; an opening and closing unit protection cover (301) is arranged outside the driving bevel gear (306) and the four driven bevel gears (307), and the opening and closing unit protection cover (301) is fixedly connected between the vacuum furnace cover (202) and the furnace cover lifting and rotating mechanism; the opening and closing driving motor (304) is electrically connected with the controller through an opening and closing driving circuit.
6. The vertical vacuum furnace according to claim 1, wherein: the furnace cover lifting and rotating mechanism comprises a rotating pipe (403), a lifting driving unit and a rotating driving unit; the lifting driving unit comprises a lifting driving screw rod (405), a lifting driving bracket (410) and a lifting driving motor (406);
the rotary driving unit is arranged at the lower side of the bracket assembly; the lower end of the rotating pipe (403) is arranged on the rotating driving unit, the middle part of the rotating pipe penetrates through the bracket assembly in a rotating way, and the rotating driving unit drives the rotating pipe (403) to rotate; the lifting driving screw rod (405) is rotatably and coaxially arranged in the rotating pipe (403); a lifting block is screwed on the lifting driving screw rod (405) through threads; a long hole (404) is vertically arranged on the upper side of the rotating pipe (403); a lifting driving seat (409) surrounding the rotating pipe (403) is arranged at one end of the lifting driving support (410), and the lifting driving seat (409) is fixedly connected with the lifting block through a connecting block penetrating through the long hole (404); the furnace cover opening and closing mechanism is arranged on the lifting driving bracket (410); the lifting driving motor (406) is arranged on the rotating pipe (403) and drives the lifting driving screw rod (405) to rotate through gear transmission penetrating through the rotating pipe (403); the lifting driving motor (406) is electrically connected with the controller through a lifting driving circuit.
7. The vertical vacuum furnace according to claim 6, wherein: an L-shaped bracket (401) is arranged on the upper side of the bracket assembly; the upper end of the rotary pipe (403) is rotatably arranged on a horizontal bracket plate of the L-shaped bracket (401).
8. The vertical vacuum furnace according to claim 6, wherein: the rotary driving unit comprises a rotary base (408), a rotary driving motor (411), a rotary driving worm (412) and a rotary driving worm wheel (413); the lower end of the rotating pipe (403) is rotatably arranged on the rotating base (408); a worm mounting plate is arranged on the rotating base (408); the rotary driving worm (412) is horizontally arranged on the worm mounting plate in a rotary mode; the rotary driving worm wheel (413) is arranged on the rotary pipe (403), and the rotary driving worm wheel (413) is meshed with the rotary driving worm (412); the rotary driving motor (411) is used for driving the rotary driving worm (412) to rotate; the rotation driving motor (411) is electrically connected with the controller through a rotation driving circuit.
9. The vertical vacuum furnace according to claim 1, wherein: the waste collection mechanism comprises a sealing barrel (607), a butt joint pipe, a waste collection box (608), a sealing barrel cover (601), a barrel cover locking structure and two rails (609);
the sealing barrel (607) is horizontally arranged at the lower side of the bracket assembly; the lower end of the butt joint pipe is fixed on the sealing barrel (607) in a communicating way, and the upper end is communicated and butted with the liner of the vacuum furnace (201); the barrel cover locking structure is hinged to the sealing barrel (607), the sealing barrel cover (601) is arranged on the barrel cover locking structure and is used for covering the barrel opening of the sealing barrel (607), and the barrel cover locking structure is used for compressing and locking the sealing barrel cover (601); the two rails (609) are horizontally arranged in the sealing barrel (607) in parallel; the waste collection box (608) is located in the sealed barrel (607), and a plurality of rollers (611) which respectively run on two rails (609) are installed on the lower side surface.
10. The vertical vacuum furnace according to claim 8, wherein: the barrel cover locking structure comprises a U-shaped locking rod (602), a T-shaped bolt rod (604), a jacking screw rod (605) and a handle rod (603);
a locking seat (606) is arranged at the barrel opening of the sealing barrel (607); one end of the U-shaped lock rod (602) is hinged on the sealing barrel (607), and the other end is locked on the locking seat (606) through a T-shaped bolt rod (604); a jacking inner threaded pipe (610) is fixed in the middle of the U-shaped lock rod (602) in a penetrating manner; the jacking screw rod (605) is screwed on the jacking inner threaded pipe (610) through a penetrating type thread; one end of the jacking screw rod (605) is rotatably arranged on the sealing barrel cover (601); the handle rod (603) is fixed on the other end of the jacking screw rod (605) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990670.9U CN218455362U (en) | 2022-07-30 | 2022-07-30 | Vertical vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221990670.9U CN218455362U (en) | 2022-07-30 | 2022-07-30 | Vertical vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218455362U true CN218455362U (en) | 2023-02-07 |
Family
ID=85123611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221990670.9U Active CN218455362U (en) | 2022-07-30 | 2022-07-30 | Vertical vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218455362U (en) |
-
2022
- 2022-07-30 CN CN202221990670.9U patent/CN218455362U/en active Active
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