CN116693169B - Equipment for manufacturing large-diameter super-wall-thickness opaque quartz tube by arc method - Google Patents
Equipment for manufacturing large-diameter super-wall-thickness opaque quartz tube by arc method Download PDFInfo
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- CN116693169B CN116693169B CN202310922533.4A CN202310922533A CN116693169B CN 116693169 B CN116693169 B CN 116693169B CN 202310922533 A CN202310922533 A CN 202310922533A CN 116693169 B CN116693169 B CN 116693169B
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- quartz tube
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000010453 quartz Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000003723 Smelting Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 29
- 239000010439 graphite Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000010891 electric arc Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 30
- 239000006004 Quartz sand Substances 0.000 abstract description 20
- 238000002844 melting Methods 0.000 abstract description 12
- 230000008018 melting Effects 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 48
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000005350 fused silica glass Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- -1 conventionally Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/025—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by arc discharge or plasma heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/23—Cooling the molten glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/24—Automatically regulating the melting process
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to the technical field of quartz tubes, and particularly discloses equipment for manufacturing large-diameter super-wall-thickness opaque quartz tubes by an electric arc method. The centrifugal graphite mold is used for molding and melting quartz sand, the sealing mechanism can be closed for sealing during melting, new air can be exchanged during cooling, the lifting and adjusting mechanism can adjust the temperature distribution area in the smelting furnace, the production of quartz tubes with super wall thickness is facilitated, and the scram mechanism can protect equipment and reduce damage.
Description
Technical Field
The invention relates to the technical field of quartz tubes, in particular to equipment for manufacturing a large-diameter super-wall-thickness opaque quartz tube by an electric arc method.
Background
The quartz tube is a special industrial technical glass manufactured by silicon dioxide, is a very excellent base material, has a series of excellent physical and chemical properties, and is widely applied to the fields of light, electricity and the like, and along with the wide application of the quartz tube, the size requirement on the quartz tube in production is gradually increased in order to meet the use requirements in various different environments, and the diameter and the wall thickness of the quartz tube are increased.
The manufacturing of quartz tube is usually carried out by using an arc method, the opaque quartz tube with large diameter and super wall thickness is different from the former small diameter thin wall quartz tube, the production requirement of the large diameter super wall thickness quartz tube is increased along with the increase of the diameter and the wall thickness, centrifugal molding and arc melting of quartz sand are both provided with higher requirements on quartz sand and uniformity of the fused quartz sand, conventionally, quartz sand is added into a rotary forming die with a tilting angle for centrifugal molding, then the quartz sand is sent into a fixed electrode rod for power transmission and arcing for melting, a vacuum system is started, finally the quartz tube is taken out after cooling, but as the diameter and the wall thickness of the quartz tube are increased, the quartz sand with super wall thickness is not easy to sufficiently melt in the processing mode, so that the melting time is required to be increased, bubbles are easy to appear in the fused quartz tube, the small diameter thin wall quartz tube is cooled by adopting a natural cooling method, the large diameter super wall thickness quartz tube is long in time consumption, the water cooling mode is unfavorable for increasing the yield, cooling liquid is directly sprayed onto the wall of the quartz tube, the centrifugal mold is easy to be cooled down, the centrifugal mass is easily reduced, the centrifugal mass is broken due to the fact that the electrode is broken when the centrifugal mass is damaged, the centrifugal mass is still is continuously lost when the centrifugal mass is continuously produced in the process, and the centrifugal mass is continuously lost when the centrifugal mass is continuously used in the process, the centrifugal mass is continuously lost when the centrifugal device is continuously used, the centrifugal mass is continuously produced when the centrifugal mass is continuously when the centrifugal device is used for manufacturing the quartz tube.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides equipment for manufacturing a large-diameter super-wall-thickness opaque quartz tube by an electric arc method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an equipment of opaque quartz tube of major diameter super wall thickness is makeed to electric arc method, includes smelting furnace and pillar, the smelting furnace is cylindrical structure, and smelting furnace outer wall fixedly connected with three pillar, three pillar bottom fixedly connected with base, smelting furnace outer wall fixed mounting have first motor, and the smelting furnace is inside to be provided with graphite mould, and smelting furnace top fixedly connected with boiler tube, boiler tube exit are provided with sealing mechanism, and the boiler tube inner wall is provided with hoisting mechanism, is provided with the electrode rod in the smelting furnace, and electrode rod top is connected with adjustment mechanism, and the smelting furnace below is provided with scram mechanism.
Preferably, the bottom end of the smelting furnace is provided with a vacuum pipe penetrating into the smelting furnace, and a vacuum pipe outlet pipeline is connected with a vacuum pump fixedly arranged on the outer wall of the smelting furnace.
Preferably, the bottom of the graphite mold is provided with a follower wheel which is connected with the smelting furnace in a penetrating way, and a follower wheel belt is connected with a belt pulley at the output end of the first motor.
Preferably, the sealing mechanism comprises an end cover, a pull rod and an electric telescopic rod, the end cover is rotationally connected to the outlet of the top of the furnace tube, the pull rod is axially connected to the center of the end cover, the telescopic end of the electric telescopic rod is axially connected to the tail of the pull rod, and the fixed end of the electric telescopic rod is axially connected to a mounting frame located on the side wall of the smelting furnace.
Preferably, four evenly distributed and vertically installed sliding grooves are fixedly formed in the inner wall of the furnace tube, and the lifting mechanism is installed in one sliding groove.
Preferably, the lifting mechanism comprises a second motor, a screw rod and an annular block, wherein the fixed protruding blocks are connected in a sliding manner in the sliding grooves, the annular block is fixedly connected to the mutually approaching surfaces of the four fixed protruding blocks, the second motor is arranged at the top end of one sliding groove, and the output shaft of the second motor is fixedly connected with the screw rod which is positioned in the sliding groove and is in threaded connection with the fixed protruding blocks.
Preferably, the annular block top bolted connection has the disc, has evenly offered six through-holes on the disc, and all cross-under has an electrode rod in every through-hole, and every electrode rod top is all fixed to be provided with the connecting cylinder, and the disc center is provided with the supporting seat, and every connecting cylinder lateral wall all hub connection has the connecting block of fixed setting on supporting seat top lateral wall.
Preferably, the adjustment mechanism includes third motor, swivel ring and hexagonal fixed block, the fixed third motor that is provided with in supporting seat top center, third motor top is provided with the fixing base of bottom fixed connection on the supporting seat top, the fixing base top is provided with hexagonal fixed block, six evenly distributed's T type grooves have been seted up to hexagonal fixed block bottom, sliding connection has T type slider in every T type groove, the fixing base top is seted up flutedly, swing joint has the swivel ring in the recess, third motor output shaft top cross-under is connected with swivel ring central gear in the fixing base, swivel ring top evenly is provided with six afterbody and swivel ring top hub connection's arc connecting rod, the head hub connection T type slider's of every arc connecting rod bottom, arc connecting rod one end bottom is kept away from to the T type slider is through connecting piece and connecting cylinder top lateral wall hub connection.
Preferably, the emergency stop mechanism comprises a clamping belt, a support and an electric cylinder, wherein the fixed shaft is fixedly connected to the bottom end of the smelting furnace, the clamping belt is sleeved on the fixed shaft, the support is fixedly connected to the bottom end of the smelting furnace on one side of the fixed shaft, the electric cylinder is fixedly installed at the bottom of the support, the telescopic end of the electric cylinder is fixedly connected with the clamping belt through a connecting piece, and the clamping belt is flush with the top end of the follower.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lifting mechanism and the adjusting mechanism are arranged, the second motor and the screw are adopted as lifting power and guiding of the electrode rod, the fine adjustment of the height of the electrode rod can be realized, in addition, the threaded connection mode has a self-locking function, the sliding deviation of the annular block in the working process can be avoided, the adjusting mechanism can change the distance between the electric arc and quartz sand by controlling the arc starting part of the head part of the electrode rod to approach or keep away, thereby controlling the temperature, the direct influence of heat in the smelting furnace on the adjusting mechanism is reduced, and three pairs of electrode rods are arranged, the annular connection of the electric arc is realized through the connection of two pairs of positive and negative electrodes, the rapid promotion of the temperature in the furnace can be realized, meanwhile, the arc coverage is wider, the improvement of the uniformity of the temperature in the smelting furnace is facilitated, and the effective and full melting of the quartz sand is facilitated.
According to the invention, the sealing mechanism is arranged to seal the furnace tube by using the end cover in the centrifugal melting stage, and is matched with the vacuum pump to operate, so that the vacuum pumping is performed in the smelting furnace, the gas existing in the smelting furnace can be reduced, the bubbles in the formed quartz tube are reduced, the product quality is improved, the end cover is opened when the cooling is performed after the processing is finished, the heat in the smelting furnace can be dispersed into the external air from the outlet of the furnace tube, if the cooling is required to be accelerated, the vacuum pump can be operated at a low rotating speed to drive the flow exchange of the external air and the hot air in the smelting furnace to realize the rapid cooling, compared with the traditional natural cooling, the cooling time can be effectively saved, the cooling is more uniform compared with the cooling method of spraying cooling liquid, the problem of cracking of the quartz tube caused by uneven overall cooling due to the excessively rapid local cooling speed can be reduced, the yield is improved, and meanwhile, the smelting furnace is convenient to continue the processing work of the quartz tube.
According to the invention, the emergency stop mechanism is arranged, when vibration occurs, the vibration sensor detects that the vibration value is larger than the normal value, a signal is transmitted to the external controller, the external controller controls the first motor to stop, meanwhile, the electric cylinder is controlled to work, so that the clamping belt is integrally close to the follower wheel and holds the follower wheel tightly, the follower wheel is rapidly decelerated and stopped under the action of friction force, after the graphite mold stops rotating, fused quartz sand in the graphite mold can rapidly stop rotating along with the follower wheel and sink into the bottom of the graphite mold, and equipment damage caused by splashing of the fused quartz sand onto an electrode rod or other equipment due to vibration of the graphite mold can be reduced.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an apparatus for manufacturing a large-diameter ultra-wall-thickness opaque quartz tube by an arc method according to the present invention;
FIG. 2 is a side view of an apparatus for making large diameter ultra-thick wall opaque quartz tubing by an arc process in accordance with the present invention;
FIG. 3 is a schematic view of a furnace tube structure of an apparatus for manufacturing a large-diameter ultra-thick opaque quartz tube by an arc method according to the present invention;
FIG. 4 is a schematic diagram of the annular block structure of an apparatus for manufacturing large diameter ultra-thick opaque quartz tube by arc method according to the present invention;
FIG. 5 is a schematic diagram showing the cooperation of the adjusting mechanism and the lifting mechanism of the device for manufacturing the large-diameter super-wall-thickness opaque quartz tube by the arc method;
FIG. 6 is a schematic diagram showing the cooperation of an adjusting mechanism and an electrode rod of an apparatus for manufacturing a large-diameter ultra-thick opaque quartz tube by an arc method;
FIG. 7 is a schematic diagram of a hexagonal fixed block and a T-shaped chute of an apparatus for manufacturing a large diameter ultra-thick opaque quartz tube by an arc method according to the present invention;
FIG. 8 is a schematic diagram of an adjusting mechanism of an apparatus for manufacturing large diameter ultra-thick opaque quartz tubes by arc method according to the present invention;
FIG. 9 is a top view of an adjusting mechanism of an apparatus for manufacturing large diameter ultra-thick opaque quartz tube by arc method according to the present invention;
FIG. 10 is a schematic view of the structure of an emergency stop mechanism of an apparatus for manufacturing large diameter ultra-thick opaque quartz tubes by arc method according to the present invention.
In the figure: 1. a smelting furnace; 2. a support post; 3. a first motor; 4. a vacuum pump; 5. a graphite mold; 6. a follower wheel; 7. a sealing mechanism; 71. a furnace tube; 8. an end cap; 9. a pull rod; 10. an electric telescopic rod; 11. a chute; 12. a lifting mechanism; 13. a second motor; 14. a screw; 15. an annular block; 16. a fixing bump; 17. a disc; 18. an electrode rod; 19. a connecting cylinder; 20. a support base; 201. a connecting block; 202. a fixing seat; 21. an adjusting mechanism; 22. a third motor; 23. a rotating ring; 24. an arc-shaped connecting rod; 25. a T-shaped slider; 26. a hexagonal fixed block; 27. a T-shaped groove; 28. an emergency stop mechanism; 29. a clamping belt; 30. a bracket; 31. an electric cylinder; 32. and a fixed shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-10, an apparatus for manufacturing a large-diameter super-wall thickness opaque quartz tube by an arc method comprises a smelting furnace 1 and support columns 2, wherein the smelting furnace 1 is of a cylindrical structure, three support columns 2 are fixedly connected to the outer wall of the smelting furnace 1, bases are fixedly connected to the bottom ends of the three support columns 2, a first motor 3 is fixedly installed on the outer wall of the smelting furnace 1, a graphite mold 5 is arranged in the smelting furnace 1, a furnace tube 71 is fixedly connected to the top of the smelting furnace 1, a sealing mechanism 7 is arranged at the outlet of the furnace tube 71, a lifting mechanism 12 is arranged on the inner wall of the furnace tube 71, an electrode rod 18 is arranged in the smelting furnace 1, an adjusting mechanism 21 is connected to the top of the electrode rod 18, and a scram mechanism 28 is arranged below the smelting furnace 1. Compared with the traditional processing of the small-diameter thin-wall quartz tube, the large-diameter super-wall quartz tube has more severe requirements on centrifugal molding of quartz sand, in order to reduce the influence of mold rotation on quartz sand molding, the original rotational molding mold with an inclined angle is changed into a fixed mold, and an adjustable lifting mechanism 12 and an adjusting mechanism 21 are used for adjusting the height and the angle of an electrode rod 18 so as to achieve the purpose of fusion molding and realize the control of temperature in the fusion process through the adjusting angle, thus reducing possible bubbles and the like in the quartz tube, increasing the mass of the super-wall quartz tube, the graphite mold 5 can be driven to rotate through a first motor 3, the sealing mechanism 7 can be used for sealing the furnace tube 71 and the smelting furnace 1 in the processing process and is matched with the vacuum pump 4 to realize vacuum in the furnace, the device can greatly reduce bubbles entering the quartz tube, when the processing is completed and is cooled, the sealing mechanism 7 is started to operate at a low rotating speed in cooperation with the vacuum pump 4, rapid ventilation and cooling in the smelting furnace 1 can be realized, compared with natural cooling and cooling, the cooling time can be greatly saved, the yield is increased, feeding and discharging can be carried out through the opening and closing of the sealing mechanism, when the graphite mold 5 is worn after the use times of the graphite mold 5 are increased and gravity center deviation is generated, the graphite mold 5 can vibrate during rotation and centrifugation, at the moment, the graphite mold 5 can be replaced through normal shutdown to remove faults, vibration occurs during melting quartz sand, and the emergency stop mechanism 28 can rapidly stop the graphite mold 5 in order to reduce damage of the melting quartz sand to electrode bars 18 and other equipment.
As a technical optimization scheme of the invention, the bottom end of the smelting furnace 1 is provided with a vacuum pipe penetrating into the smelting furnace 1, and a vacuum pump 4 fixedly installed on the outer wall of the smelting furnace 1 is connected to a vacuum pipe outlet pipeline. After bubbles enter the quartz tube, the physical and chemical properties of the quartz tube are adversely affected, and the product quality is reduced, so that the vacuum pump 4 is used for vacuumizing the interior of the smelting furnace 1 in the centrifugal forming and smelting stages, the vacuum pump 4 can accelerate air circulation in the cooling stage, take away the heat in the smelting furnace 1, and reduce the cooling time of the quartz tube.
As a technical optimization scheme of the invention, the bottom of the graphite mold 5 is provided with a follower wheel 6 which is connected with the smelting furnace 1 in a penetrating way, and the belt of the follower wheel 6 is connected with a belt pulley at the output end of the first motor 3. The first motor 3 works to drive a belt pulley at the output end of the first motor 3 to rotate, so that the follower wheel 6 and the graphite mold 5 are driven to rotate through belt transmission, and centrifugal movement of quartz sand is realized.
As a technical optimization scheme of the invention, the sealing mechanism 7 comprises an end cover 8, a pull rod 9 and an electric telescopic rod 10, wherein the end cover 8 is rotatably connected to the outlet of the top of the furnace tube 71, the pull rod 9 is axially connected to the center of the end cover 8, the telescopic end of the electric telescopic rod 10 is axially connected to the tail of the pull rod 9, and the fixed end of the electric telescopic rod 10 is axially connected to a mounting frame positioned on the side wall of the smelting furnace 1. Different from the traditional locking type sealing mode, the invention adopts the sealing mechanism 7 capable of flexibly controlling opening and closing, the telescopic end of the electric telescopic rod 10 is extended to drive the pull rod 9 to rotate around the tail connecting shaft, so that the pull rod 9 presses the end cover 8, the end cover 8 is covered on the top outlet of the furnace tube 71 to achieve the purpose of sealing the furnace tube 71 and the smelting furnace 1, when the furnace tube 1 is cooled after the processing is finished, the telescopic end of the electric telescopic rod 10 is retracted, the pull rod 9 pulls the end cover 8 to leave the outlet end of the furnace tube 71, heat in the smelting furnace 1 can be dissipated into the outside air from the outlet of the furnace tube 71, if the cooling is required to be accelerated, the vacuum pump 4 can be operated at a low rotating speed to drive the flow exchange of the outside air and the hot air in the smelting furnace 1 to realize rapid cooling, compared with the traditional natural cooling, the cooling method can effectively save cooling time, compared with the cooling method of spraying cooling liquid, the cooling is more uniform, the problem of quartz tube cracking caused by uneven cooling of local cooling speed can be reduced, and the continuous processing of the quartz tube is facilitated.
As a technical optimization scheme of the invention, four evenly distributed and vertically installed sliding grooves 11 are fixedly arranged on the inner wall of the furnace tube 71, and a lifting mechanism 12 is installed in one sliding groove 11. In the quartz sand melting stage, in order to sufficiently melt the quartz sand due to thicker wall thickness and larger diameter of the produced quartz tube, the height position and angle of the electrode rod 18 need to be adjusted after arcing so as to realize temperature adjustment in the smelting furnace 1, so that the quartz sand is sufficiently melted, the product quality is enhanced, the lifting mechanism 12 can adjust the height position of the electrode rod 18, and the chute 11 is a guiding and limiting device for lifting or descending of the lifting mechanism 12.
As a technical optimization scheme of the invention, the lifting mechanism 12 comprises a second motor 13, a screw 14 and an annular block 15, wherein a fixing lug 16 is connected in a sliding way in the sliding groove 11, the annular block 15 is fixedly connected on the mutually approaching surface of the four fixing lugs 16, the top end of one sliding groove 11 is provided with the second motor 13, and the output shaft of the second motor 13 is fixedly connected with the screw 14 which is positioned in the sliding groove 11 and is in threaded connection with the fixing lug 16. The center Kong Fangbian electrode rod 18 and the adjusting mechanism 21 of the annular block 15 penetrate, meanwhile, the outer ring of the annular block 15 can be used for installing and fixing a disc 17 for connecting the electrode rod 18, the second motor 13 and the screw 14 are used as power and guide for lifting and lowering the annular block 15, fine adjustment of the height of the annular block 15 can be achieved, the threaded connection mode has a self-locking function, sliding deviation of the annular block 15 in the working process can be avoided, uniform temperature change in the smelting furnace 1 is guaranteed, and the screw 14 can be rotated to drive the annular block 15 to move up and down along the chute 11 by controlling positive and negative rotation of the second motor 13 in the melting stage.
As a technical optimization scheme of the invention, the top end of the annular block 15 is connected with the disc 17 through bolts, six through holes are uniformly formed in the disc 17, an electrode rod 18 is connected in each through hole in a penetrating way, a connecting cylinder 19 is fixedly arranged at the top of each electrode rod 18, a supporting seat 20 is arranged in the center of the disc 17, and a connecting block 201 fixedly arranged on the side wall of the top of the supporting seat 20 is connected with the side wall of each connecting cylinder 19 through a shaft. The connecting cylinder 19 connected to the top of the electrode rod 18 is used for fixing the electrode rod 18 and the disc 17 and connecting the electrode rod with the adjusting mechanism 21, so that the normal operation of the electrode rod 18 is not affected, the electrode rod 18 passes through the through hole to enable the arc generating part at the head of the electrode rod 18 to be connected into the smelting furnace 1, and part of structures of the top connecting cylinder 19 and the adjusting mechanism 21 are arranged above the disc 17, so that the electrode rod 18 can be conveniently adjusted, the direct influence of heat in the smelting furnace 1 on the adjusting mechanism 21 can be reduced, three pairs of electrode rods 18 are arranged, the annular connection of the electric arcs is realized through the connection of two positive electrodes and two negative electrodes, the rapid promotion of the temperature in the furnace can be realized, meanwhile, the uniformity of the temperature in the smelting furnace 1 is improved due to the wider coverage of the electric arcs, and the effective and sufficient melting of quartz sand is facilitated.
As a technical optimization scheme of the invention, the adjusting mechanism 21 comprises a third motor 22, a rotating ring 23 and a hexagonal fixed block 26, wherein the center of the top end of the supporting seat 20 is fixedly provided with the third motor 22, the upper part of the third motor 22 is provided with a fixed seat 202 with the bottom fixedly connected to the top end of the supporting seat 20, the upper part of the fixed seat 202 is provided with the hexagonal fixed block 26, the bottom of the hexagonal fixed block 26 is provided with six uniformly distributed T-shaped grooves 27, each T-shaped groove 27 is in sliding connection with a T-shaped sliding block 25, the top of the fixed seat 202 is provided with a groove, the rotating ring 23 is movably connected in the groove, the top of an output shaft of the third motor 22 is penetrated into the fixed seat 202 and is connected with a central gear of the rotating ring 23, six arc-shaped connecting rods 24 with the tail parts axially connected with the top of the rotating ring 23 are uniformly arranged above the rotating ring 23, the head part of each arc-shaped connecting rod 24 is axially connected with the bottom of the T-shaped sliding block 25, and one end bottom of each T-shaped sliding block 25 far away from the arc-shaped connecting rod 24 is axially connected with the side wall of the top of the connecting cylinder 19 through a connecting piece. After the quartz sand is centrifugally formed, the regulating mechanism 21 and the electrode rod 18 are lowered to a proper position through the lifting mechanism 12, at the moment, the head arcing part of the electrode rod 18 is positioned in the rotary graphite mold 5, the electrode rod 18 is externally controlled to be electrified for arcing, the temperature in the smelting furnace 1 is increased, an operator can judge the temperature distribution condition in the smelting furnace 1 according to temperature data transmitted by a temperature sensor arranged in the smelting furnace 1, then the angle of the electrode rod 18 is regulated by using the regulating mechanism 21 according to a molten state to regulate the temperature in the smelting furnace 1, a third motor 22 is started, an output shaft of the third motor 22 drives a rotary ring 23 to rotate in a groove at the top of a fixed seat 202, six arc-shaped connecting rods 24 rotate along with the rotary ring 23, and when the arc-shaped connecting rods 24 rotate, the T-shaped sliding blocks 25 can be pulled to slide along the T-shaped grooves 27, and the T-shaped sliding blocks 25 are connected by shafts, so that the T-shaped grooves 27 are linear along with the rotary ring 23, the T-shaped sliding blocks 25 can drive the connecting cylinders 19 and the electrode rod 18 to rotate around the rotary motor 201, and the temperature of the graphite rod 18 can be controlled to be close to the head arcing part of the quartz mold 12 through the positive and negative rotating ring 23, or the temperature of the arc-shaped connecting rods can be controlled to be far away from the head arcing part of the quartz mold 12.
As a technical optimization scheme of the invention, the emergency stop mechanism 28 comprises a clamping belt 29, a support 30 and an electric cylinder 31, wherein the bottom end of the smelting furnace 1 is fixedly connected with a fixed shaft 32, the clamping belt 29 is sleeved on the fixed shaft 32, the bottom end of the smelting furnace 1 on one side of the fixed shaft 32 is fixedly connected with the support 30, the electric cylinder 31 is fixedly arranged at the bottom of the support 30, the telescopic end of the electric cylinder 31 is fixedly connected with the clamping belt 29 through a connecting piece, and the clamping belt 29 is flush with the top end of the follow-up wheel 6. The device is internally provided with a vibration sensor in advance, the vibration sensor is electrically connected with an external controller, the external controller is electrically connected with an electric cylinder 31, when vibration occurs, the vibration sensor detects that the vibration value is larger than a normal value, a signal is transmitted to the external controller, the external controller controls to stop the first motor 3, meanwhile, the electric cylinder 31 is controlled to work, the telescopic end of the electric cylinder 31 stretches, the clamping belt 29 is pulled to move, one end of the clamping belt 29 is fixedly connected to a fixed shaft 32, after the clamping belt 29 on one side of the electric cylinder 31 is pulled, the clamping belt 29 is integrally close to the follower 6 and is contacted with the follower 6, at the moment, the clamping belt 29 is tightly held by the follower 6, the follower 6 is rapidly decelerated and stopped under the action of friction force, after the graphite mold 5 stops rotating, fused quartz sand in the graphite mold 5 also rapidly stops rotating along with the fused quartz sand and sinks into the bottom of the graphite mold 5, damage to the device can be reduced, the electric cylinder 31 is reset after the emergency stop, and the clamping belt 29 can be reset after the force is lost.
When the invention is used, an operator adds the mixed quartz sand material into the graphite mold 5, starts the electric telescopic rod 10, stretches the telescopic end of the electric telescopic rod 10, drives the pull rod 9 to rotate around the tail connecting shaft, so that the pull rod 9 presses the end cover 8, the end cover 8 covers the top outlet of the furnace tube 71, then starts the first motor 3, the first motor 3 works to drive the belt pulley at the output end of the first motor 3 to rotate, thereby driving the follower wheel 6 and the graphite mold 5 to rotate through belt transmission, performing centrifugal molding, after centrifugal molding, starts the second motor 13, drives the screw 14 to rotate through rotation of the second motor 13, drives the annular block 15 to move up and down along the chute 11 through the fixed lug 16 in threaded connection with the screw 14, and electrifies and arcs when the disc 17 and the electrode rod 18 move to a proper position along with the annular block 15, the temperature in the smelting furnace 1 rises, an operator can judge the temperature distribution condition in the smelting furnace 1 according to the temperature data transmitted by a temperature sensor arranged in the smelting furnace 1, then a third motor 22 is started according to a molten state, an output shaft of the third motor 22 drives a rotating ring 23 to rotate in a groove at the top of a fixed seat 202, when the rotating ring 23 rotates, six arc-shaped connecting rods 24 rotate along with the rotating ring, when the arc-shaped connecting rods 24 rotate, a T-shaped sliding block 25 can be pulled to slide along a T-shaped groove 27, the T-shaped sliding block 25 moves linearly, the T-shaped sliding block 25 can drive a connecting cylinder 19 and an electrode rod 18 to rotate around a connecting block 201, the arc starting part at the head of the electrode rod 18 can be close to or far away from by reversing the third motor 22 positively, and the distance between an arc and quartz sand can be changed, so that the temperature is controlled, the height of the electrode rod 18 is adjusted by matching with the lifting mechanism 12 to adjust the overall temperature in the graphite mold 5.
After quartz tube processing is completed, the heating is stopped by power failure, the first motor 3 stops rotating, the graphite die 5 is gradually stationary, the telescopic end of the electric telescopic rod 10 is controlled to retract, the pull rod 9 pulls the end cover 8 to leave the outlet end of the furnace tube 71, heat in the smelting furnace 1 can be dispersed into external air from the outlet of the furnace tube 71, and if the cooling is required to be accelerated, the vacuum pump 4 can be operated at a low rotating speed to drive the flow exchange of the external air and hot air in the smelting furnace 1 to realize rapid cooling.
When the graphite mold 5 is worn and vibrates in operation, the vibration sensor detects that the vibration value is larger than a normal value, signals are transmitted to the external controller, the external controller controls the first motor 3 to stop, meanwhile, the electric cylinder 31 is controlled to work and pull the clamping belt 29 to move, one end of the clamping belt 29 is fixedly connected to the fixed shaft 32, after the clamping belt 29 on one side of the electric cylinder 31 is pulled, the clamping belt 29 is integrally close to the follower 6 and is contacted with the follower 6, the clamping belt 29 is tightly held by the follower 6 at the moment, the follower 6 is rapidly decelerated and stopped under the action of friction force, the electric cylinder 31 is reset after emergency stop, and the clamping belt 29 can be reset after the clamping belt 29 loses force at the moment.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a device for manufacturing large diameter super wall thickness opaque quartz tube material by electric arc method, including smelting furnace (1) and pillar (2), its characterized in that, smelting furnace (1) is cylindrical structure, smelting furnace (1) outer wall fixedly connected with three pillar (2), three pillar (2) bottom fixedly connected with base, smelting furnace (1) outer wall fixed mounting has first motor (3), smelting furnace (1) bottom is provided with the vacuum tube that cross-under smelting furnace (1) is inside, vacuum tube outlet piping connection has vacuum pump (4) of fixed mounting on smelting furnace (1) outer wall, smelting furnace (1) inside is provided with graphite mould (5), smelting furnace (1) top fixedly connected with boiler tube (71), boiler tube (71) exit is provided with sealing mechanism (7), fixedly provided with four evenly distributed and vertical spout (11) on the boiler tube (71) inner wall, install hoisting mechanism (12) in one of them spout (11), be provided with electrode bar (18) in smelting furnace (1), electrode bar (18) top is connected with adjustment mechanism (21), smelting furnace (1) below is provided with emergency stop mechanism (28).
The sealing mechanism (7) comprises an end cover (8), a pull rod (9) and an electric telescopic rod (10), the end cover (8) is rotatably connected to the outlet of the top of the furnace tube (71), the pull rod (9) is axially connected to the center of the end cover (8), the telescopic end of the electric telescopic rod (10) is axially connected to the tail of the pull rod (9), and the fixed end of the electric telescopic rod (10) is axially connected to a mounting frame positioned on the side wall of the smelting furnace (1);
the lifting mechanism (12) comprises a second motor (13), a screw rod (14) and an annular block (15), wherein fixed lugs (16) are connected in the sliding way (11), the annular block (15) is fixedly connected to the mutually approaching surfaces of the four fixed lugs (16), a disc (17) is connected to the top end of the annular block (15) through bolts, a supporting seat (20) is arranged at the center of the disc (17), the second motor (13) is arranged at the top end of one sliding way (11), and the output shaft of the second motor (13) is fixedly connected with the screw rod (14) which is positioned in the sliding way (11) and is in threaded connection with the fixed lugs (16);
the adjusting mechanism (21) comprises a third motor (22), a rotating ring (23) and hexagonal fixing blocks (26), the center of the top end of the supporting seat (20) is fixedly provided with the third motor (22), the bottom of the third motor (22) is fixedly connected with a fixing seat (202) at the top end of the supporting seat (20), the hexagonal fixing blocks (26) are arranged above the fixing seat (202), six evenly distributed T-shaped grooves (27) are formed in the bottom of each hexagonal fixing block (26), each T-shaped groove (27) is internally and slidably connected with a T-shaped sliding block (25), the top of the fixing seat (202) is provided with a groove, and the rotating ring (23) is movably connected in the groove.
2. The device for manufacturing the large-diameter ultra-thick opaque quartz tube by the arc method according to claim 1, wherein a follower wheel (6) penetrating out of the smelting furnace (1) is arranged at the bottom of the graphite mold (5), and the follower wheel (6) is connected with a belt pulley at the output end of the first motor (3) through a belt.
3. The device for manufacturing the large-diameter ultra-thick-wall opaque quartz tube by the arc method according to claim 1, wherein six through holes are uniformly formed in the disc (17), an electrode rod (18) is connected in each through hole in a penetrating way, a connecting cylinder (19) is fixedly arranged at the top of each electrode rod (18), and connecting blocks (201) fixedly arranged on the side wall of the top of the supporting seat (20) are connected to the side wall of each connecting cylinder (19) in a shaft mode.
4. The device for manufacturing the large-diameter ultra-thick-wall opaque quartz tube by the arc method according to claim 1, wherein the top of an output shaft of the third motor (22) is connected into the fixed seat (202) in a penetrating way and is connected with a central gear of the rotating ring (23), six arc connecting rods (24) with tail parts connected with the top shaft of the rotating ring (23) are uniformly arranged above the rotating ring (23), the head shaft of each arc connecting rod (24) is connected with the bottom of a T-shaped sliding block (25), and the bottom of one end, far away from the arc connecting rod (24), of the T-shaped sliding block (25) is connected with the side wall shaft of the top of the connecting cylinder (19) through a connecting piece.
5. The device for manufacturing the large-diameter ultra-thick opaque quartz tube by the arc method according to claim 2, wherein the emergency stop mechanism (28) comprises a clamping belt (29), a support (30) and an electric cylinder (31), a fixed shaft (32) is fixedly connected to the bottom end of the smelting furnace (1), the clamping belt (29) is sleeved on the fixed shaft (32), the support (30) is fixedly connected to the bottom end of the smelting furnace (1) on one side of the fixed shaft (32), the electric cylinder (31) is fixedly installed at the bottom of the support (30), the telescopic end of the electric cylinder (31) is fixedly connected with the clamping belt (29) through a connecting piece, and the clamping belt (29) is flush with the top end of the follow-up wheel (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310922533.4A CN116693169B (en) | 2023-07-26 | 2023-07-26 | Equipment for manufacturing large-diameter super-wall-thickness opaque quartz tube by arc method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310922533.4A CN116693169B (en) | 2023-07-26 | 2023-07-26 | Equipment for manufacturing large-diameter super-wall-thickness opaque quartz tube by arc method |
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| CN116693169B true CN116693169B (en) | 2024-02-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207749033U (en) * | 2017-12-29 | 2018-08-21 | 徐州市万达石英有限公司 | A kind of quartz sand smelting furnace of temperature-sensitive temperature control |
| CN209726786U (en) * | 2019-02-24 | 2019-12-03 | 徐州康纳高新材料科技有限公司 | A kind of fused quartz ceramic production of articles mixed smelting device |
| CN115557677A (en) * | 2022-10-21 | 2023-01-03 | 高晓云 | Quartz tube and manufacturing method thereof |
| CN115872606A (en) * | 2022-10-21 | 2023-03-31 | 高晓云 | Method for melting quartz tube by utilizing electric arc and quartz tube electric arc melting equipment |
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2023
- 2023-07-26 CN CN202310922533.4A patent/CN116693169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207749033U (en) * | 2017-12-29 | 2018-08-21 | 徐州市万达石英有限公司 | A kind of quartz sand smelting furnace of temperature-sensitive temperature control |
| CN209726786U (en) * | 2019-02-24 | 2019-12-03 | 徐州康纳高新材料科技有限公司 | A kind of fused quartz ceramic production of articles mixed smelting device |
| CN115557677A (en) * | 2022-10-21 | 2023-01-03 | 高晓云 | Quartz tube and manufacturing method thereof |
| CN115872606A (en) * | 2022-10-21 | 2023-03-31 | 高晓云 | Method for melting quartz tube by utilizing electric arc and quartz tube electric arc melting equipment |
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| CN116693169A (en) | 2023-09-05 |
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