CN114883124A - Vacuum furnace with circuit emergency stop protection structure - Google Patents
Vacuum furnace with circuit emergency stop protection structure Download PDFInfo
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- CN114883124A CN114883124A CN202210796841.2A CN202210796841A CN114883124A CN 114883124 A CN114883124 A CN 114883124A CN 202210796841 A CN202210796841 A CN 202210796841A CN 114883124 A CN114883124 A CN 114883124A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention belongs to the technical field of emergency protection devices, in particular to a vacuum furnace with a circuit emergency stop protection structure, aiming at the problem that when the existing vacuum furnace is overheated, the circuit of the vacuum furnace needs to be manually disconnected, but when the vacuum furnace is overheated, the circuit needs to be manually cut off for a certain reaction time, and accidents may occur in the certain reaction time, so that the danger of the vacuum furnace is improved, the invention proposes the following scheme that the vacuum furnace comprises a bottom plate, a vacuum furnace body and an installation box, wherein the vacuum furnace body and the installation box are arranged on the bottom plate, one side of the vacuum furnace body is provided with a vacuum furnace electrifying wire used for connecting a power supply, a first vacuum furnace electric wire, a second vacuum furnace electric wire and a third vacuum furnace electric wire are arranged in the vacuum furnace electrifying wire, the vacuum furnace body is respectively and electrically connected with the first vacuum furnace electric wire and the second vacuum furnace electric wire, so that the reaction time after manual observation is avoided, the danger of work is reduced.
Description
Technical Field
The invention relates to the technical field of emergency protection devices, in particular to a vacuum furnace with a circuit emergency stop protection structure.
Background
The vacuum furnace is a device for heating in vacuum environment, and is connected with high-vacuum pump system by means of pipeline in the furnace cavity sealed by metal cover or quartz glass cover, and the vacuum degree of furnace cavity can be up to 133 × (10) -2 ～10 -4 ) Pa, the heating system in the furnace can directly use the resistanceThe furnace wire (such as tungsten wire) is heated by electrifying or high-frequency induction heating, the highest temperature can reach about 3000 ℃, and the furnace wire is mainly used for ceramic sintering, vacuum smelting, degassing of electric vacuum parts, annealing, brazing of metal parts, ceramic-metal sealing and the like.
When a vacuum furnace in the prior art works, if the vacuum furnace is overheated, a circuit of the vacuum furnace needs to be manually disconnected, but certain reaction time is needed for manually disconnecting the circuit after the vacuum furnace is overheated, accidents may occur in the certain reaction time, the working danger of the vacuum furnace is improved, and a structure capable of monitoring the real-time working temperature outside the vacuum furnace and timely performing processing on circuit emergency stop protection is needed.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when the vacuum furnace is overheated, a circuit of the vacuum furnace needs to be manually disconnected, but when the vacuum furnace is overheated, the circuit needs to be manually disconnected, a certain reaction time is needed, and accidents may occur in the certain reaction time, so that the working danger of the vacuum furnace is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vacuum furnace with a circuit emergency stop protection structure comprises a bottom plate, a vacuum furnace body and an installation box, wherein the vacuum furnace body and the installation box are arranged on the bottom plate, a vacuum furnace electrified wire used for being connected with a power supply is arranged on one side of the vacuum furnace body, a first vacuum furnace electric wire, a second vacuum furnace electric wire and a third vacuum furnace electric wire are arranged in the vacuum furnace electrified wire, the vacuum furnace body is electrically connected with the first vacuum furnace electric wire and the second vacuum furnace electric wire respectively, a group of circuit cutting mechanisms are arranged between the first vacuum furnace electric wire and the third vacuum furnace electric wire, and the circuit cutting mechanisms are used for cutting off power supply of the vacuum furnace body; the vacuum furnace is characterized in that a first groove is formed in the mounting box, a mounting plate is fixedly connected in the first groove, a supporting rod is fixedly connected to the top end of the mounting plate, a rotating shaft is connected in the supporting rod in a rotating mode, a first rotating rod is fixedly connected to the circumferential surface of the rotating shaft, a group of pulling mechanisms are arranged on one side of the first rotating rod and used for controlling the communication between a first electric wire of the vacuum furnace and a third electric wire of the vacuum furnace, a group of elastic resetting mechanisms are arranged on one side of the first rotating rod and used for controlling the disconnection between the first electric wire of the vacuum furnace and the third electric wire of the vacuum furnace after the pulling mechanisms are powered off; the electronic thermometer is characterized in that a group of power supply driving mechanisms used for driving the pulling mechanism to move is arranged in the installation box, an electronic thermometer used for measuring temperature is fixedly connected to the top end of the installation box, a group of on-off assemblies are arranged in the installation box, and the electronic thermometer cuts off a power supply of the power supply driving mechanisms when the temperature is overheated through the on-off assemblies.
Preferably, the circuit cutting mechanism comprises an insulating shell fixedly connected to the top end of the mounting plate, the vacuum furnace is provided with an electric wire movably penetrating into the mounting box, the vacuum furnace is provided with a third electric wire movably penetrating into the insulating shell, the insulating shell is internally and fixedly connected with a second insulating base, the top end of the second insulating base is fixedly connected with two first electric connecting blocks, the vacuum furnace first electric wire and the vacuum furnace third electric wire are respectively and fixedly connected to the circumferential surfaces of the two first electric connecting blocks, the vacuum furnace first electric wire and the vacuum furnace third electric wire are respectively and electrically connected with the two first electric connecting blocks, the side end of the first rotating rod is fixedly connected with a connecting rod, the side end of the connecting rod is fixedly connected with an electric connecting plate, the bottom end of the electric connecting plate is fixedly connected with the second electric connecting block and the third electric connecting block, and the electric connecting plate, the second electric connecting block and the third electric connecting block are electrically connected with each other, the second electrical connection block and the third electrical connection block are respectively in contact with the two first electrical connection blocks.
Preferably, the elastic reset mechanism comprises a holding box fixedly connected to the top end of the mounting plate, a fourth groove is arranged in the holding box, two first limiting rods are fixedly connected in the fourth groove, the circumferential surfaces of the two first limiting rods are connected with sliding plates in a sliding manner, the side end of the sliding plate is fixedly connected with two return springs, the two return springs are both fixedly connected with the side wall of the fourth groove, the two return springs are respectively sleeved on the circumferential surfaces of the two first limiting rods, the top end of the sliding plate is fixedly connected with a sliding rod which movably penetrates through the side end of the containing box upwards and extends upwards, the side end of the first rotating rod is fixedly connected with a U-shaped adjusting rod, a first buffer groove is arranged in the U-shaped adjusting rod, the sliding rod is connected to the circumferential surface of the second buffer rod in a rotating mode.
Preferably, the side end of the supporting rod is fixedly connected with an L-shaped supporting frame, and the side end of the L-shaped supporting frame is in contact with the first rotating rod.
Preferably, the connecting rod is made of insulating rubber.
Preferably, the pulling mechanism comprises an electromagnetic coil fixedly connected to the top end of the mounting plate, and an armature is fixedly connected to the circumferential surface of the connecting rod.
Preferably, power drive mechanism includes the battery of fixed connection in first recess, the positive and negative both ends difference electric connection of battery has first connecting wire and third connecting wire, fixedly connected with first insulation base in the first recess, two first electric connecting rods of the top fixedly connected with of first insulation base and two second electric connecting rods, two first electric connecting rod respectively with two second electricity connecting rod electric connection, third connecting wire and one of them first electricity connecting rod electric connection, another the circumference surface electric connection of first electric connecting rod has the second connecting wire, first connecting wire and second connecting wire all with solenoid electric connection, one of them the second electricity connecting rod internal rotation is connected with third electric connecting rod, third electric connecting rod and another second electricity connecting rod intermittent type contact.
Preferably, two second grooves are formed in the installation box, two second limiting rods are fixedly connected to the inner portions of the second grooves, the circumferential surface of each second limiting rod is connected with the same U-shaped frame in a sliding mode, a first buffer rod is connected to the inner portion of each U-shaped frame in a rotating mode, a second buffer groove is formed in each third electric connecting rod, the first buffer rod is connected to the inner portion of each second buffer groove in a sliding mode, a third groove is formed in the installation box, a lifting lead screw is connected to the inner portion of each third groove in a rotating mode, the U-shaped frames are connected to the circumferential surface of the lifting lead screw in a threaded mode, a servo motor is fixedly connected to the top end of the installation box, the servo motor is connected with the lifting lead screw through a coupler, and the servo motor is electrically connected with the electronic thermometer.
The operation principle of the invention is as follows:
1. through connecting the power with vacuum furnace circular telegram line, under the vacuum furnace body normal operating condition, U type frame is located the downside of third recess, U type frame presses two electric connecting rods of third electricity connecting rod intercommunication through driving first buffer rod simultaneously, second connecting wire and third connecting wire intercommunication, solenoid has magnetism after the circular telegram, solenoid possesses downwards attraction fixed connection in the armature of connecting rod circumferential surface after the magnetism, armature receives the attraction downstream, drive the electric connecting plate through the connecting rod and drive the second electricity connecting block and the contact is linked together with two first electricity connecting blocks respectively with the third electricity connecting block, make and be linked together between two first electricity connecting blocks, vacuum furnace third electric wire and vacuum furnace first electric wire are linked together, the power of vacuum furnace body keeps closed and makes the device normal operating.
2. When the electronic thermometer detects that the indoor temperature is higher than the temperature of safe production, a servo motor is started to drive a lifting screw rod to rotate, the lifting screw rod rotates to drive a U-shaped frame to move upwards, the U-shaped frame rises to drive a first buffer rod to rise, the first buffer rod slides in a second buffer groove while rising, the first buffer rod drives a third electric connecting rod to move upwards in the second buffer groove, the third electric connecting rod moves upwards to drive the second electric connecting rod to leave one of the second electric connecting rods, so that the two second electric connecting rods are released from being closed, the second connecting wire and the third connecting wire are disconnected, an electromagnetic coil loses magnetism, after the electromagnetic coil loses magnetism, the elastic force of a reset spring pushes a sliding plate to reset downwards, the sliding plate moves downwards to drive the sliding rod to move downwards, the sliding rod drives the second buffer rod to slide in the first buffer groove, so that the U-shaped adjusting rod is driven to move downwards by the second buffer rod, because U type adjusting lever fixed connection is in the side of first bull stick, U type adjusting lever drives first bull stick and carries out the rotation that uses the pivot as the centre of a circle, drives connecting rod and electric link plate through first bull stick and moves to the upside for the second electricity even piece and the third electricity even piece leave respectively with the connection of two first electricity even pieces, make the disconnection of first electric wire of vacuum furnace and vacuum furnace third electric wire closed, thereby make the outage shutdown of vacuum furnace body.
Compared with the prior art, the invention has the beneficial effects that:
according to the device, the working environment of the vacuum furnace body is detected in real time through the arranged electronic thermometer, the on-off assembly is controlled, the on-off assembly is used for controlling the on-off of the power supply driving mechanism, the pulling mechanism has the capability of pulling downwards only after being electrified through the power supply driving mechanism, so that the downward pulling force of the elastic reset mechanism on the first rotating rod is greater, the vacuum furnace body is overheated, manual closing is not needed, the time of reaction after manual observation is avoided, and the working danger is reduced.
Drawings
FIG. 1 is a front perspective view of a vacuum furnace with an emergency stop protection for circuitry according to the present invention;
FIG. 2 is a first partial perspective view of a vacuum furnace with an electrical circuit emergency stop protection arrangement in accordance with the present invention;
FIG. 3 is a first partial cross-sectional view of a vacuum furnace with an electrical circuit emergency stop protection arrangement in accordance with the present invention;
FIG. 4 is a second partial cross-sectional view of a vacuum furnace with an electrical circuit emergency stop protection configuration in accordance with the present invention;
FIG. 5 is a third partial cross-sectional view of a vacuum furnace with an electrical circuit emergency stop protection arrangement in accordance with the present invention;
FIG. 6 is a fourth partial cross-sectional view of a vacuum furnace with an electrical circuit emergency stop protection configuration in accordance with the present invention;
fig. 7 is a second partial perspective view of a vacuum furnace with an electric circuit emergency stop protection structure according to the present invention.
In the figure: 1. a base plate; 2. a vacuum furnace body; 3. installing a box; 4. electrifying the vacuum furnace; 41. a vacuum furnace first wire; 42. a vacuum furnace second wire; 43. a vacuum furnace third wire; 5. a servo motor; 6. an electronic thermometer; 7. a first groove; 8. a second groove; 9. a third groove; 10. a U-shaped frame; 11. a lifting screw rod; 12. mounting a plate; 13. an insulating housing; 14. a support bar; 15. a rotating shaft; 16. an L-shaped support frame; 17. an armature; 18. a U-shaped adjusting rod; 19. a slide bar; 20. a containing box; 21. a first connecting line; 22. a second connecting line; 23. a third connecting line; 24. a first insulating base; 25. a second insulating base; 26. a first electrical connection block; 27. an electrical connection plate; 28. a second electrical connection block; 281. a third electrical connection block; 29. a connecting rod; 30. a first rotating lever; 31. a fourth groove; 32. a first limit rod; 33. a return spring; 34. a slide plate; 35. an electromagnetic coil; 36. a first electrical link; 37. a second electrical link; 38. a third electrical link; 39. a second limiting rod; 40. a first buffer rod; 44. a second buffer 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.
Example one
With reference to figures 1-7 of the drawings,
a vacuum furnace with a circuit emergency stop protection structure comprises a bottom plate 1, a vacuum furnace body 2 and an installation box 3, wherein the vacuum furnace body 2 and the installation box 3 are arranged on the bottom plate 1, a vacuum furnace electrifying line 4 used for being connected with a power supply is arranged on one side of the vacuum furnace body 2, a vacuum furnace first electric wire 41, a vacuum furnace second electric wire 42 and a vacuum furnace third electric wire 43 are arranged in the vacuum furnace electrifying line 4, the vacuum furnace body 2 is electrically connected with the vacuum furnace first electric wire 41 and the vacuum furnace second electric wire 42 respectively, a group of circuit cutting mechanisms are arranged between the vacuum furnace first electric wire 41 and the vacuum furnace third electric wire 43, and the circuit cutting mechanisms are used for cutting off the power supply of the vacuum furnace body 2; a first groove 7 is formed in the installation box 3, an installation plate 12 is fixedly connected in the first groove 7, a supporting rod 14 is fixedly connected to the top end of the installation plate 12, a rotating shaft 15 is rotatably connected in the supporting rod 14, a first rotating rod 30 is fixedly connected to the circumferential surface of the rotating shaft 15, one side of the first rotating rod 30 is provided with a group of pulling mechanisms, the pulling mechanisms are used for controlling the communication between a first electric wire 41 of the vacuum furnace and a third electric wire 43 of the vacuum furnace, one side of the first rotating rod 30 is provided with a group of elastic resetting mechanisms, and the elastic resetting mechanisms are used for controlling the disconnection of the first electric wire 41 of the vacuum furnace and the third electric wire 43 of the vacuum furnace after the pulling mechanisms are powered off; a group of power supply driving mechanisms for driving the pulling mechanism to move are arranged in the installation box 3, an electronic thermometer 6 for measuring temperature is fixedly connected to the top end of the installation box 3, a group of on-off components are arranged in the installation box 3, and the electronic thermometer 6 cuts off a power supply of the power supply driving mechanisms when the temperature is overheated through the on-off components; this device carries out real-time detection and control break-make subassembly to the operational environment of vacuum furnace body 2 through the electron thermometer 6 that sets up, the break-make subassembly is used for controlling power drive mechanism's break-make, pulling mechanism just possesses the ability of downward pulling after need passing through power drive mechanism circular telegram, thereby greatly cross the downward pulling force of elasticity canceling release mechanical system to first bull stick 30, it is overheated to appear in vacuum furnace body 2, need not to carry out manual closing, the time of reaction is done again after having avoided artifical observation, the danger of work has been reduced.
Example two
A vacuum furnace with a circuit emergency stop protection structure comprises a bottom plate 1, a vacuum furnace body 2 and an installation box 3, wherein the vacuum furnace body 2 and the installation box 3 are arranged on the bottom plate 1, a vacuum furnace electrifying line 4 used for being connected with a power supply is arranged on one side of the vacuum furnace body 2, a vacuum furnace first electric wire 41, a vacuum furnace second electric wire 42 and a vacuum furnace third electric wire 43 are arranged in the vacuum furnace electrifying line 4, the vacuum furnace body 2 is electrically connected with the vacuum furnace first electric wire 41 and the vacuum furnace second electric wire 42 respectively, a group of circuit cutting mechanisms are arranged between the vacuum furnace first electric wire 41 and the vacuum furnace third electric wire 43, and the circuit cutting mechanisms are used for cutting off the power supply of the vacuum furnace body 2; a first groove 7 is formed in the installation box 3, an installation plate 12 is fixedly connected in the first groove 7, a supporting rod 14 is fixedly connected to the top end of the installation plate 12, a rotating shaft 15 is rotatably connected in the supporting rod 14, a first rotating rod 30 is fixedly connected to the circumferential surface of the rotating shaft 15, one side of the first rotating rod 30 is provided with a group of pulling mechanisms, the pulling mechanisms are used for controlling the communication between a first electric wire 41 of the vacuum furnace and a third electric wire 43 of the vacuum furnace, one side of the first rotating rod 30 is provided with a group of elastic resetting mechanisms, and the elastic resetting mechanisms are used for controlling the disconnection of the first electric wire 41 of the vacuum furnace and the third electric wire 43 of the vacuum furnace after the pulling mechanisms are powered off; a group of power supply driving mechanisms for driving the pulling mechanism to move are arranged in the installation box 3, an electronic thermometer 6 for measuring temperature is fixedly connected to the top end of the installation box 3, a group of on-off components are arranged in the installation box 3, and the electronic thermometer 6 cuts off a power supply of the power supply driving mechanisms when the temperature is overheated through the on-off components; the circuit cutting mechanism comprises an insulating shell 13 fixedly connected to the top end of the mounting plate 12, a vacuum furnace electrifying wire 4 movably penetrates into the mounting box 3, a vacuum furnace third wire 43 movably penetrates into the insulating shell 13, a second insulating base 25 is fixedly connected into the insulating shell 13, two first electric connecting blocks 26 are fixedly connected to the top end of the second insulating base 25, the vacuum furnace first wire 41 and the vacuum furnace third wire 43 are respectively and fixedly connected to the circumferential surfaces of the two first electric connecting blocks 26, the vacuum furnace first wire 41 and the vacuum furnace third wire 43 are respectively and electrically connected with the two first electric connecting blocks 26, a connecting rod 29 is fixedly connected to the side end of the first rotating rod 30, an electric connecting plate 27 is fixedly connected to the side end of the connecting rod 29, a second electric connecting block 28 and a third electric connecting block 281 are fixedly connected to the bottom end of the electric connecting plate 27, and the electric connecting plates 27, the second electric connecting block 28 and the third electric connecting block 281 are electrically connected, the second electrical connection block 28 and the third electrical connection block 281 are in contact with the two first electrical connection blocks 26, respectively; the connecting rod 29 drives the electric connecting plate 27 to drive the second electric connecting block 28 and the third electric connecting block 281 to be respectively communicated and contacted with the two first electric connecting blocks 26, so that the two first electric connecting blocks 26 are communicated, the vacuum furnace third electric wire 43 is communicated with the vacuum furnace first electric wire 41, and the power supply of the vacuum furnace body 2 is kept closed to ensure that the device normally operates; the elastic reset mechanism comprises a containing box 20 fixedly connected to the top end of the mounting plate 12, a fourth groove 31 is formed in the containing box 20, two first limiting rods 32 are fixedly connected to the inside of the fourth groove 31, sliding plates 34 are slidably connected to the circumferential surfaces of the two first limiting rods 32, two reset springs 33 are fixedly connected to the side ends of the sliding plates 34, the two reset springs 33 are both fixedly connected to the side walls of the fourth groove 31, the two reset springs 33 are respectively sleeved on the circumferential surfaces of the two first limiting rods 32, sliding rods 19 are fixedly connected to the top ends of the sliding plates 34, the sliding rods 19 penetrate through the side ends of the containing box 20 in an upward movable mode and extend upwards, U-shaped adjusting rods 18 are fixedly connected to the side ends of the first rotating rods 30, first buffer grooves are formed in the U-shaped adjusting rods 18, second buffer rods 44 are slidably connected to the first buffer grooves, and the sliding rods 19 are rotatably connected to the circumferential surfaces of the second buffer rods 44; after the electromagnetic coil 35 loses magnetism, the elastic force of the return spring 33 pushes the sliding plate 34 to return downwards, the sliding plate 34 moves downwards to drive the sliding rod 19 to move downwards, the sliding rod 19 drives the second buffer rod 44 to slide in the first buffer groove, so that the second buffer rod 44 drives the U-shaped adjusting rod 18 to move downwards, the U-shaped adjusting rod 18 is fixedly connected to the side end of the first rotating rod 30, the U-shaped adjusting rod 18 drives the first rotating rod 30 to rotate around the rotating shaft 15, the first rotating rod 30 drives the connecting rod 29 and the electric connecting plate 27 to move upwards, the second electric connecting block 28 and the third electric connecting block 281 are separated from the two first electric connecting blocks 26 respectively, and the vacuum furnace first electric wire 41 and the vacuum furnace third electric wire 43 are disconnected and closed; the side end of the supporting rod 14 is fixedly connected with an L-shaped support frame 16, and the side end of the L-shaped support frame 16 is contacted with the first rotating rod 30; to prevent the elastic reset mechanism from excessively dragging the U-shaped adjusting rod 18; the connecting rod 29 is made of insulating rubber; the occurrence of electric leakage is prevented; the pulling mechanism comprises an electromagnetic coil 35 fixedly connected to the top end of the mounting plate 12, and an armature 17 is fixedly connected to the circumferential surface of the connecting rod 29; the armature 17 is pulled downwards by the elasticity of the electrified electromagnetic coil 35; the power supply driving mechanism comprises a storage battery fixedly connected in the first groove 7, the positive and negative poles of the storage battery are respectively and electrically connected with a first connecting wire 21 and a third connecting wire 23, the first groove 7 is internally and fixedly connected with a first insulating base 24, the top end of the first insulating base 24 is fixedly connected with two first electric connecting rods 36 and two second electric connecting rods 37, the two first electric connecting rods 36 are respectively and electrically connected with the two second electric connecting rods 37, the third connecting wire 23 is electrically connected with one of the first electric connecting rods 36, the circumferential surface of the other first electric connecting rod 36 is electrically connected with the second connecting wire 22, the first connecting wire 21 and the second connecting wire 22 are both electrically connected with the electromagnetic coil 35, the third electric connecting rod 38 is rotatably connected in one of the second electric connecting rods 37, and the third electric connecting rod 38 is intermittently contacted with the other second electric connecting rod 37; the electromagnetic coil 35 is electrified by weak current of the storage battery, so that the control is more convenient, and meanwhile, the danger is reduced; two second grooves 8 are formed in the installation box 3, second limiting rods 39 are fixedly connected in the two second grooves 8, the circumferential surfaces of the two second limiting rods 39 are connected with the same U-shaped frame 10 in a sliding mode, a first buffer rod 40 is connected in the U-shaped frame 10 in a rotating mode, a second buffer groove is formed in the third electric connecting rod 38, the first buffer rod 40 is connected in the second buffer groove in a sliding mode, a third groove 9 is formed in the installation box 3, a lifting screw rod 11 is connected in the third groove 9 in a rotating mode, the U-shaped frame 10 is connected to the circumferential surface of the lifting screw rod 11 in a threaded mode, a servo motor 5 is fixedly connected to the top end of the installation box 3, the servo motor 5 is connected with the lifting screw rod 11 through a coupler, and the servo motor 5 is electrically connected with the electronic thermometer 6; after the electronic thermometer 6 detects that the indoor temperature is higher than the temperature of safety production, the servo motor 5 is started to drive the lifting screw rod 11 to rotate, the lifting screw rod 11 rotates to drive the U-shaped frame 10 to move upwards, the U-shaped frame 10 moves upwards to drive the first buffer rod 40 to move upwards, the first buffer rod 40 moves upwards while sliding in the second buffer slot, the first buffer rod 40 drives the third electric connecting rod 38 to move upwards in the second buffer slot, and the third electric connecting rod 38 moves upwards to drive the second electric connecting rod 37 to leave one of the second electric connecting rods 37, so that the closing between the two second electric connecting rods 37 is removed.
In the invention, by connecting the vacuum furnace energizing line 4 with a power supply, under the normal operation condition of the vacuum furnace body 2, the U-shaped frame 10 is positioned at the lower side in the third groove 9, meanwhile, the U-shaped frame 10 is communicated with the two second electric connecting rods 37 by driving the first buffer rod 40 to press the third electric connecting rod 38, the second connecting wire 22 is communicated with the third connecting wire 23, the electromagnetic coil 35 has magnetism after being energized, the electromagnetic coil 35 has the magnetic property and then attracts downwards to fixedly connect the armature 17 on the circumferential surface of the connecting rod 29, the armature 17 attracts downwards to move, the connecting rod 29 drives the electric connecting plate 27 to drive the second electric connecting block 28 and the third electric connecting block 281 to be respectively communicated with the two first electric connecting blocks 26 to ensure that the two first electric connecting blocks 26 are communicated with each other, the vacuum furnace third electric wire 43 is communicated with the vacuum furnace first electric wire 41, the power supply of the vacuum furnace body 2 is kept closed to ensure that the device normally operates, when the electronic thermometer 6 detects that the indoor temperature is higher than the temperature for safe production, the servo motor 5 is started to drive the lifting screw rod 11 to rotate, the lifting screw rod 11 rotates to drive the U-shaped frame 10 to perform ascending motion, the U-shaped frame 10 ascends to drive the first buffer rod 40 to ascend, the first buffer rod 40 ascends and slides in the second buffer slot, the first buffer rod 40 drives the third electric connecting rod 38 to move upwards in the second buffer slot, the third electric connecting rod 38 moves upwards to drive the second electric connecting rod 37 to leave one of the second electric connecting rods 37, so that the two second electric connecting rods 37 are released from being closed, the second connecting wire 22 and the third connecting wire 23 are disconnected, the electromagnetic coil 35 loses magnetism, after the electromagnetic coil 35 loses magnetism, the elasticity of the return spring 33 pushes the sliding plate 34 to return downwards, the sliding plate 34 moves downwards to drive the sliding rod 19 to move downwards, the sliding rod 19 drives the second buffer rod 44 to slide in the first buffer slot, thereby drive U type adjusting lever 18 downstream through second buffer lever 44, because U type adjusting lever 18 fixed connection is in the side of first bull stick 30, U type adjusting lever 18 drives first bull stick 30 and carries out the rotation that uses pivot 15 as the centre of a circle, drive connecting rod 29 and electric link plate 27 through first bull stick 30 and move to the upside, make second electricity even piece 28 and third electricity even piece 281 leave respectively with the connection of two first electricity even pieces 26, make vacuum furnace first electric wire 41 and vacuum furnace third electric wire 43 break off closure, thereby make vacuum furnace body 2 outage stop motion.
However, as is well known to those skilled in the art, the working principle and wiring method of the servo motor 5, the electronic thermometer 6, the electromagnetic coil 35 and the storage battery are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a vacuum furnace with circuit emergency stop protection architecture, includes bottom plate (1), locates vacuum furnace body (2) and install bin (3) on bottom plate (1), its characterized in that: a vacuum furnace electrifying wire (4) used for being connected with a power supply is arranged on one side of the vacuum furnace body (2), a first vacuum furnace electric wire (41), a second vacuum furnace electric wire (42) and a third vacuum furnace electric wire (43) are arranged in the vacuum furnace electrifying wire (4), the vacuum furnace body (2) is electrically connected with the first vacuum furnace electric wire (41) and the second vacuum furnace electric wire (42) respectively, a group of circuit cutting mechanisms are arranged between the first vacuum furnace electric wire (41) and the third vacuum furnace electric wire (43), and the circuit cutting mechanisms are used for cutting off the power supply of the vacuum furnace body (2);
a first groove (7) is formed in the installation box (3), an installation plate (12) is fixedly connected in the first groove (7), a supporting rod (14) is fixedly connected to the top end of the installation plate (12), a rotating shaft (15) is rotatably connected to the supporting rod (14), a first rotating rod (30) is fixedly connected to the circumferential surface of the rotating shaft (15), a group of pulling mechanisms are arranged on one side of the first rotating rod (30), the pulling mechanisms are used for controlling the communication between a first electric wire (41) of the vacuum furnace and a third electric wire (43) of the vacuum furnace, a group of elastic resetting mechanisms are arranged on one side of the first rotating rod (30), and the elastic resetting mechanisms are used for controlling the disconnection of the first electric wire (41) of the vacuum furnace and the third electric wire (43) of the vacuum furnace after the pulling mechanisms are powered off;
the temperature measuring device is characterized in that a group of power driving mechanisms used for driving the pulling mechanism to move is arranged in the installation box (3), an electronic thermometer (6) used for measuring temperature is fixedly connected to the top end of the installation box (3), a group of on-off assemblies are arranged in the installation box (3), and the electronic thermometer (6) cuts off a power supply of the power driving mechanisms when the temperature is too hot through the on-off assemblies.
2. The vacuum furnace with the circuit emergency stop protection structure according to claim 1, wherein the circuit cut-off mechanism comprises an insulating housing (13) fixedly connected to the top end of the mounting plate (12), the vacuum furnace power line (4) movably penetrates into the mounting box (3), the vacuum furnace third wire (43) movably penetrates into the insulating housing (13), a second insulating base (25) is fixedly connected into the insulating housing (13), two first electrical connection blocks (26) are fixedly connected to the top end of the second insulating base (25), the vacuum furnace first wire (41) and the vacuum furnace third wire (43) are respectively fixedly connected to the circumferential surfaces of the two first electrical connection blocks (26), the vacuum furnace first wire (41) and the vacuum furnace third wire (43) are respectively electrically connected with the two first electrical connection blocks (26), the side end fixedly connected with connecting rod (29) of first bull stick (30), the side end fixedly connected with electricity of connecting rod (29) links board (27), the bottom fixedly connected with second electricity of electricity even board (27) links piece (28) and third electricity even piece (281), electricity links electric connection between board (27), second electricity even piece (28) and the third electricity even piece (281), second electricity even piece (28) and third electricity even piece (281) contact with two first electricity even pieces (26) respectively.
3. The vacuum furnace with the circuit emergency stop protection structure according to claim 2, wherein the elastic reset mechanism comprises a receiving box (20) fixedly connected to the top end of the mounting plate (12), a fourth groove (31) is formed in the receiving box (20), two first limiting rods (32) are fixedly connected in the fourth groove (31), a sliding plate (34) is slidably connected to the circumferential surface of the two first limiting rods (32), two reset springs (33) are fixedly connected to the side end of the sliding plate (34), the two reset springs (33) are fixedly connected to the side wall of the fourth groove (31), the two reset springs (33) are respectively sleeved on the circumferential surface of the two first limiting rods (32), a sliding rod (19) is fixedly connected to the top end of the sliding plate (34), and the sliding rod (19) is upwardly movably penetrated through the side end of the receiving box (20) and upwardly extends, the side end fixedly connected with U type adjusting lever (18) of first bull stick (30), set up first dashpot in U type adjusting lever (18), sliding connection has second buffer pole (44) in the first dashpot, slide bar (19) rotate the circumference surface of connecting in second buffer pole (44).
4. The vacuum furnace with the circuit emergency stop protection structure according to any one of claims 1 to 3, wherein an L-shaped support frame (16) is fixedly connected to a side end of the support rod (14), and a side end of the L-shaped support frame (16) is in contact with the first rotating rod (30).
5. Vacuum furnace with circuit emergency stop protection according to claim 2, characterized in that said connection rod (29) is made of insulating rubber.
6. Vacuum furnace with electric circuit emergency stop protection according to claim 5, characterized in that the pulling mechanism comprises an electromagnetic coil (35) fixedly connected to the top end of the mounting plate (12), the armature (17) being fixedly connected to the circumferential surface of the connecting rod (29).
7. The vacuum furnace with the circuit emergency stop protection structure according to claim 6, wherein the power driving mechanism comprises a storage battery fixedly connected in a first groove (7), the positive and negative poles of the storage battery are electrically connected with a first connection line (21) and a third connection line (23) respectively, a first insulating base (24) is fixedly connected in the first groove (7), two first electric connecting rods (36) and two second electric connecting rods (37) are fixedly connected to the top end of the first insulating base (24), the two first electric connecting rods (36) are electrically connected with the two second electric connecting rods (37) respectively, the third connection line (23) is electrically connected with one of the first electric connecting rods (36), the circumferential surface of the other first electric connecting rod (36) is electrically connected with a second connection line (22), and the first connection line (21) and the second connection line (22) are electrically connected with an electromagnetic coil (35), a third electric connecting rod (38) is rotationally connected in one of the second electric connecting rods (37), and the third electric connecting rod (38) is intermittently contacted with the other second electric connecting rod (37).
8. The vacuum furnace with the circuit emergency stop protection structure according to claim 7, wherein two second grooves (8) are formed in the mounting box (3), a second limiting rod (39) is fixedly connected in each of the two second grooves (8), the circumferential surfaces of the two second limiting rods (39) are slidably connected with the same U-shaped frame (10), a first buffer rod (40) is rotatably connected in the U-shaped frame (10), a second buffer groove is formed in the third electric connecting rod (38), the first buffer rod (40) is slidably connected in the second buffer groove, a third groove (9) is formed in the mounting box (3), a lifting screw rod (11) is rotatably connected in the third groove (9), the U-shaped frame (10) is in threaded connection with the circumferential surface of the lifting screw rod (11), a servo motor (5) is fixedly connected to the top end of the mounting box (3), the servo motor (5) is connected with the lifting screw rod (11) through a coupler, and the servo motor (5) is electrically connected with the electronic thermometer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210796841.2A CN114883124A (en) | 2022-07-08 | 2022-07-08 | Vacuum furnace with circuit emergency stop protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210796841.2A CN114883124A (en) | 2022-07-08 | 2022-07-08 | Vacuum furnace with circuit emergency stop protection structure |
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| Publication Number | Publication Date |
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| CN114883124A true CN114883124A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210796841.2A Pending CN114883124A (en) | 2022-07-08 | 2022-07-08 | Vacuum furnace with circuit emergency stop protection structure |
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| CN105030056A (en) * | 2015-04-29 | 2015-11-11 | 韦道义 | Thermal-insulation control electric kettle based on singlechip microcomputer |
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| CN111785564A (en) * | 2020-07-09 | 2020-10-16 | 河南智开智能科技有限公司 | Novel protection type permanent magnetism vacuum circuit breaker |
| CN213366509U (en) * | 2020-09-28 | 2021-06-04 | 雷米德电气（江苏）有限公司 | Reset control mechanism of air circuit breaker |
| CN215183753U (en) * | 2021-06-04 | 2021-12-14 | 景德镇真空电器有限公司 | Modular vacuum magnetic starter |
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2022
- 2022-07-08 CN CN202210796841.2A patent/CN114883124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105030056A (en) * | 2015-04-29 | 2015-11-11 | 韦道义 | Thermal-insulation control electric kettle based on singlechip microcomputer |
| CN207038430U (en) * | 2017-07-31 | 2018-02-23 | 衢州市金鹏电器有限公司 | A kind of simple type vacuum circuit breaker |
| CN111785564A (en) * | 2020-07-09 | 2020-10-16 | 河南智开智能科技有限公司 | Novel protection type permanent magnetism vacuum circuit breaker |
| CN213366509U (en) * | 2020-09-28 | 2021-06-04 | 雷米德电气（江苏）有限公司 | Reset control mechanism of air circuit breaker |
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Application publication date: 20220809 |
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