CN114743848A - Sealing method and device suitable for quartz glass tube and electrode tungsten rod - Google Patents
Sealing method and device suitable for quartz glass tube and electrode tungsten rod Download PDFInfo
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- CN114743848A CN114743848A CN202210279989.9A CN202210279989A CN114743848A CN 114743848 A CN114743848 A CN 114743848A CN 202210279989 A CN202210279989 A CN 202210279989A CN 114743848 A CN114743848 A CN 114743848A
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 120
- 239000010937 tungsten Substances 0.000 title claims abstract description 120
- 238000007789 sealing Methods 0.000 title claims abstract description 95
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 490
- 239000011324 bead Substances 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 230000005587 bubbling Effects 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 114
- 210000000078 claw Anatomy 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000006060 molten glass Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 229910052724 xenon Inorganic materials 0.000 abstract description 7
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/26—Sealing together parts of vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/46—Machines having sequentially arranged operating stations
- H01J9/48—Machines having sequentially arranged operating stations with automatic transfer of workpieces between operating stations
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a method and equipment for sealing a quartz glass tube and an electrode tungsten rod, wherein the method comprises the steps of coating a transitional quartz glass coating on the electrode tungsten rod, stacking transitional quartz glass on the coating to form glass beads, filling transitional quartz glass between the glass beads of the transitional quartz glass and the end surface of the quartz glass tube for sealing, and introducing pressure gas into the glass tube after the glass tube is sealed with the electrode tungsten rod to enable the sealed part to be formed in a bubbling mode. The equipment is characterized in that a left-end chuck mechanism clamps an electrode tungsten rod, a glass tube chuck mechanism clamps a quartz glass tube, and the rotation of the electrode tungsten rod and the quartz glass tube is controlled by two servo motors respectively and is realized by a program to synchronously rotate; the glass tube chuck mechanism is controlled by the moving module to move horizontally, so that the relative position of the glass tube and the electrode tungsten rod is realized during sealing; the invention can realize the automatic sealing of the pulse xenon lamp quartz glass tube and the electrode tungsten rod, improves the production efficiency, reduces the labor intensity of workers and has good consistency of product quality.
Description
Technical Field
The invention belongs to the technical field of processing of sealing between a special light source glass tube and an electrode, and particularly relates to a vacuum sealing processing method and equipment for a quartz glass tube and an electrode tungsten rod of a pulse xenon lamp.
Background
The transition sealing technology is widely used for sealing between metal and glass, such as sealing between a quartz glass tube of a special light source pulse xenon lamp and an electrode tungsten rod, and sealing between glass tubes of electronic devices such as a vacuum gauge tube, an electron tube and the like and metal pieces. Because the difference between the thermal expansion coefficients of the metal and the glass is too large, when the metal and the glass are sealed, a large thermal stress is generated inside the glass at a high temperature, so that the glass and the metal material cannot be directly matched for sealing.
The transitional sealing technology is mainly characterized in that a transitional glass material with the thermal expansion coefficient between glass and metal is added between metal and glass so as to realize the sealing between the metal and the glass material.
The patent of application No. 201110023020.7 uses a transitional sealing assembly to effect the sealing of the tungsten rod to the lamp envelope. The transition sealing-in component is made of glass at one end close to the lamp glass bulb along the electrode direction, and the rest part is transition glass.
The patent of application No. 200810020098.1 discloses a valved ring on the electrode, which is sealed by matching a valved glass with the valved ring, and then sealed with a quartz tube by a transition glass.
The patent of application No. 98247368.0 adopts multiple tungsten glasses to match with the tungsten rod for sealing, and then uses multiple transition glasses to realize the hermetic sealing of the tungsten glass and the quartz tube.
The patent of application No. 96116637.1 provides an electrode sealing region, an inner sealing region, a transition glass sealing region and an outer sealing region to effect sealing of the lamp.
In the production of the electric arc tube of the pulse xenon lamp, transition glass is generally accumulated on an electrode tungsten rod to form a glass bead, in addition, the transition glass is further accumulated and coated on the port of a glass tube, then bubble forming is carried out, the end face is punched, hole expanding is carried out again to form a transition section of the transition glass of the glass tube, and then the glass bead on the electrode tungsten rod is sealed with the transition section on the glass tube.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to reduce the sealing section, realize the automatic production of a single machine in the sealing process of the quartz glass tube and the electrode tungsten rod and improve the production efficiency.
The technical scheme is as follows: in order to solve the existing problems, the invention discloses a process method for sealing a quartz glass tube and an electrode tungsten rod, which comprises the following process steps:
preheating the end of the glass tube after the glass bead on the electrode tungsten rod is close to the end of the glass tube, filling molten glass liquid in the gap, heating the gap integrally, inflating and bubbling in the glass tube, and synchronously stretching the glass tube and the electrode to ensure that the wall thickness of transition glass at the sealing part is uniform.
Further, the method comprises the following steps:
step 1: heating a transition glass rod, melting the transition glass rod into glass liquid, and coating a layer of glass liquid on the outer surface of the electrode tungsten rod to form a transition glass coating;
step 2: the molten transition glass rod winds the circumferential direction of the electrode tungsten rod, and is piled on the outer circular surface of the transition glass coating to form glass beads;
and step 3: the glass tube is close to the glass bead, a certain gap is left, and the port of the glass tube and the glass bead are preheated;
and 4, step 4: filling the gap between the glass tube and the glass bead with molten glass liquid of the transition glass rod, and sealing the glass tube and the glass bead;
and 5: and integrally heating the sealing section, inflating and bubbling in the glass tube, and stretching the glass tube and the electrode tungsten rod to ensure that the transition glass material at the sealing part achieves uniform wall thickness and smooth surface.
The invention also discloses a sealing device of the quartz glass tube and the electrode tungsten rod, which comprises: comprises an electrode chuck component, a glass tube chuck moving mechanism, a fire head component and moving mechanism and a transition glass rod feeding mechanism;
the glass tube chuck component can drive the glass tube chuck component for clamping the glass tube to rotate along the axis of the glass tube chuck component and centering the glass tube chuck component, and the glass tube chuck moving mechanism drives the glass tube chuck component and the glass tube to reciprocate along the axial direction of the glass tube and rotate along the axis of the glass tube chuck component; and a vent pipe is arranged in the glass tube chuck assembly, and bubbling gas enters the sealed glass tube through the vent pipe to perform bubbling forming on the sealed part.
Further, the electrode chuck assembly comprises an electrode chuck body and an electrode supporting barrel;
an electrode chuck servo motor is arranged on the electrode chuck body; an output gear is arranged on an output shaft of the electrode chuck servo motor and is meshed with the transition gear; the transition gear is meshed with the supporting cylinder gear; the supporting cylinder gear is arranged on the electrode supporting cylinder; the servo motor drives the transition gear and the supporting cylinder gear through the output gear to drive the electrode supporting cylinder to rotate;
the front end of the electrode supporting cylinder is provided with an electrode inner cone sliding block, and the electrode inner cone sliding block is provided with an electrode clamping jaw;
an electrode pull rod capable of reciprocating along the electrode supporting cylinder is arranged in the electrode supporting cylinder; the front end of the electrode pull rod is connected with the electrode outer conical pull rod; the electrode outer cone pull rod is matched with the electrode inner cone sliding block; when the electrode pull rod moves leftwards, the electrode outer cone pull rod can drive the electrode inner cone sliding block and the electrode clamping jaw arranged on the electrode inner cone sliding block to do linear motion approaching the axis of the electrode supporting cylinder so as to clamp the electrode tungsten rod.
And an electrode spring capable of driving the electrode pull rod to move left is arranged in the cavity of the electrode supporting cylinder.
The electrode tungsten rod clamping device is characterized in that an electrode cylinder support is arranged on the electrode chuck body, an electrode cylinder is arranged on the electrode cylinder support, an extending shaft of the electrode cylinder is provided with an electrode ejecting block, the electrode ejecting block overcomes the spring force of an electrode spring after extending, the electrode pull rod is pushed to move to the right, an electrode outer cone pull rod can drive the electrode inner cone slide block and an electrode clamping jaw of the electrode inner cone slide block to move linearly far away from the axis of the electrode supporting cylinder, and the electrode tungsten rod is loosened.
Further, the glass tube chuck assembly comprises a glass tube chuck body and a glass tube supporting cylinder;
a glass tube servo motor is arranged on the glass tube chuck body, a glass tube output gear is arranged on an output shaft of the glass tube servo motor, and the glass tube output gear is meshed with a glass tube transition gear; the glass tube transition gear is meshed with the glass tube supporting cylinder gear; the glass tube output gear drives the glass tube supporting cylinder to rotate through a glass tube transition gear and a glass tube supporting cylinder gear;
a glass tube pull rod capable of reciprocating along the glass tube supporting cylinder is arranged in the glass tube supporting cylinder; the front end of the glass tube pull rod is connected with a glass tube outer cone pull rod; the glass tube outer cone pull rod is matched with the glass tube inner cone sliding block; when the glass tube pull rod moves rightwards, the glass tube outer cone pull rod can drive the glass tube inner cone sliding block and the glass tube clamping jaw arranged on the glass tube inner cone sliding block to do linear motion approaching to the axis of the glass tube supporting cylinder so as to clamp the glass tube;
a glass tube spring capable of driving the glass tube pull rod to move right is arranged in the glass tube supporting cylinder cavity;
the glass tube clamping jaw body is provided with a glass tube and glass tube cylinder support, the glass tube cylinder support is provided with a glass tube cylinder, a projecting shaft of the glass tube cylinder is provided with a glass tube top block, the projecting shaft of the glass tube top block overcomes the spring force of a glass tube spring after projecting, the glass tube pull rod is pushed to move left, and the glass tube clamping jaw loosens the glass tube, so that the glass tube can be automatically fed and discharged;
a through hole is arranged between the glass tube pull rod and the glass tube outer cone pull rod shaft, the vent pipe passes through the through hole, a sealing ring is arranged at the front end of the vent pipe, and the right end of the glass tube is abutted against the sealing ring to play a role in sealing;
the outer circle of the right end of the glass tube supporting cylinder is provided with a vent pipe fixing screw which penetrates through the glass tube pull rod to enter a radial hole at the right end of the vent pipe, so that the relative position of the vent pipe and the glass tube supporting cylinder is fixed;
the glass tube pull rod is provided with a kidney-shaped hole at the position of penetrating through the vent pipe fixing screw, and the vent pipe fixing screw does not lock the axial movement of the glass tube pull rod.
Further, the glass tube chuck moving mechanism comprises a glass tube chuck moving module and a glass tube chuck moving module servo motor for driving the glass tube chuck moving module to move;
the glass tube chuck moving module is provided with a moving slide block which can reciprocate along the glass tube chuck moving module; the glass tube chuck body is arranged on the movable sliding block.
Further, the transition glass rod feeding mechanism comprises a transverse moving module, and an auxiliary air claw and a feeding electric cylinder which are arranged on the transverse moving module;
the feeding gas claw is arranged at the front end of a piston rod of the feeding electric cylinder; vertical feeding of the transition glass rod can be achieved.
The front end of the feeding gas claw is provided with a glass rod chuck for clamping a transition glass rod; the front end of the auxiliary gas claw is provided with an auxiliary chuck for clamping the transition glass rod;
further, the electrode chuck mechanism servo motor drives an electrode tungsten rod on the electrode chuck to rotate through a transition gear;
the glass tube chuck mechanism servo motor drives the glass tube on the glass tube chuck to rotate through the transition gear;
the electrode chuck mechanism servo motor and the glass tube chuck mechanism servo motor are controlled by a servo control system to realize synchronous rotation.
The invention has the beneficial effects that:
1. the invention relates to a method for vacuum sealing of an electrode tungsten rod and a quartz glass tube port, which comprises the following steps: mounting an electrode tungsten rod on a left-end chuck, and horizontally moving the chuck to clamp an electrode; mounting the quartz glass tube on a glass tube chuck, clamping the glass tube by the chuck in a translation manner, and abutting the other end of the glass tube against the vent pipe and sealing; clamping a transition quartz glass rod to a feeding mechanism, and feeding transversely and longitudinally by the feeding mechanism; after the front end of the glass rod is melted, a coating is coated on the electrode tungsten rod, then glass beads are piled, the end opening of the glass tube is close to the glass beads, transition glass liquid is filled between the glass tube and the glass beads for sealing, gas with certain pressure is led into the glass tube, bubbles are formed, the sealing part is stretched, the wall thickness of the sealing part is uniform, and the surface is smooth. Compared with the prior art, the method has only one sealing section, so that the reliability of a sealing part is improved; meanwhile, the method can ensure that the operation can be finished in one machine, avoids the processing of a plurality of machines in turn, is suitable for special light sources such as pulse xenon lamps and the like, is also suitable for similar vacuum devices,
2. the invention adopts a translational clamping jaw for clamping the electrode tungsten rod and the quartz glass tube, and the working principle is as follows: the outer cone pull rod is abutted against the inner cone sliding block, the outer cone pull rod is connected with the pull rod, the pull rod is abutted against the compression spring, the outer cone connecting rod is pulled backwards under the action of the pressure of the compression spring, the inner cone sliding block translates towards the axial center, and a chuck is arranged on the inner cone sliding block and horizontally translates to clamp the electrode tungsten rod and the quartz glass tube, so that the electrode tungsten rod and the quartz glass tube are reliably centered; meanwhile, the clamp can be suitable for clamping electrode tungsten rods and quartz glass tubes with different sizes.
3. The autorotation of the left end chuck and the autorotation of the glass tube chuck are controlled by the servo motor, the autorotation speeds of the electrode tungsten rod and the glass tube are accurately controlled, and the left end and the glass tube chuck can synchronously rotate through program control; the transition quartz glass rod feeding mechanism feeds transversely and longitudinally, and is controlled by an electric cylinder and a servo moving module, so that the coating thickness and the glass bead size of the quartz glass tube of the electrode tungsten rod can be accurately controlled, and the gap and the filler amount between the electrode tungsten rod and the glass tube can be accurately controlled; the size consistency of the sealing part between the electrode tungsten rod and the glass tube is ensured.
4. The invention realizes the automatic feeding of the electrode tungsten rod and the glass tube, the automatic compensation of consumed materials after the sealing of the transition quartz glass rod, the automatic production, the good consistency of product quality, the low labor intensity of workers and the high production efficiency.
Drawings
FIG. 1 is a process flow diagram of a sealing method of the present invention;
FIG. 2 is a process flow chart of the sealing apparatus for a quartz glass tube and an electrode tungsten rod according to the present invention;
FIG. 3 is a schematic view of the overall structure of the sealing apparatus of the present invention;
FIG. 4 is a detailed structural view of the left end cartridge body of the present invention;
FIG. 5 is a detailed structural view of the glass tube chuck body in the present invention;
FIG. 6 is a view showing the detailed structure of a feed mechanism for a transition glass rod in the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the detailed description. It should be understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention.
The invention relates to a device for sealing a quartz glass tube and an electrode tungsten rod, which synchronously rotates the electrode tungsten rod and the quartz glass tube, and is formed by melting, coating, stacking glass beads, filling, bubbling and stretching sealing through a transition glass rod, wherein the process and the device operation steps are shown in figures 1 and 2:
SA 1: heating the transition glass rod 113 to melt the transition glass rod into molten glass, and coating a layer of molten glass on the outer surface of the electrode tungsten rod 114 to form a transition glass coating A0;
SA 2: the molten transition glass rod 113 is piled on the outer circular surface of the transition glass coating layer around the circumferential direction of the electrode tungsten rod 114 to form a glass bead 115;
SA 3: the glass tube 111 is close to the glass bead 115 with a certain gap, and the port of the glass tube 114 and the glass bead 115 are preheated;
SA 4: the molten glass of the transition glass rod 113 is filled in a gap A5 between the glass tube 111 and the glass bead 115 to seal the glass tube 111 and the glass bead 115;
SA 5: the sealing section is integrally heated, the glass tube 111 is inflated and bubbled, and the glass tube 111 and the electrode tungsten rod 114 are stretched, so that the transition glass material at the sealing part A7 has uniform wall thickness and smooth surface.
The invention specifically comprises the following steps:
s1: automatic feeding, the electrode is conveyed to the electrode clamping jaw 102 by a mechanical hand, and the electrode clamping jaw 102 clamps and positions the electrode tungsten rod 114; the glass tube 111 is fed to the glass tube chuck 110 by a mechanical handle, the glass tube chuck 110 holds and positions the glass tube 111, and the right end of the glass tube 111 abuts against the vent pipe.
S2: the electrode is preheated, the electrode clamping jaw 102 rotates, and before the transition quartz glass is coated on the electrode, the coating position of the electrode tungsten rod 114 needs to be preheated by the flame head 103.
S3: and (3) electrode coating, namely heating the front end of the transition glass rod 113 to be in a molten state, adhering molten glass to an electrode tungsten rod 114, rotating the electrode tungsten rod 114, clamping the glass rod by a glass clamping jaw 112, longitudinally feeding A2 and transversely feeding A1, and coating the glass liquid on the surface of the electrode tungsten rod 114 to form a transition glass coating A0.
S4: and (3) stacking the electrode, moving the fire head to the middle position of a transition glass coating A0 of the electrode tungsten rod 114, simultaneously moving the transition glass rod 113 to the corresponding position, smearing molten glass on the middle position of the transition glass coating A0, feeding the transition glass rod 113 along with the rotation of the electrode tungsten rod 114, forming glass into a stack, and forming an annular glass bead 115 at the electrode tungsten rod 114.
S5: the glass tube 111 is preheated, the quartz glass tube 111 is clamped on the chuck of the glass tube 111, the chuck of the glass tube 111 moves towards the electrode clamping jaw 102, the electrode clamping jaw 102 and the chuck of the glass tube clamping jaw 110 synchronously rotate A3 at the moment, and the fire head preheats A4 the glass bead 115 and the port of the glass tube 111.
S6: stacking and sealing, moving a glass tube 111 chuck towards the electrode clamping jaw 102, enabling the port of the glass tube 111 to be close to a glass bead 115 to form a certain gap A5, synchronously rotating the clamping jaws of the electrode clamping jaw 102 and the glass tube clamping jaw 110, filling the gap with a fused quartz glass rod until the gap is filled, and enabling the glass bead 115 on the electrode tungsten rod 114 to form sealing with the port of the glass tube 111.
S7: bubbling and fusing, separating the glass rod, synchronously rotating the electrode clamping jaw 102 and the clamping head of the glass tube clamping jaw 110, heating the sealing part A7 by a fire head, introducing gas A6 with certain pressure into the glass tube 111, and simultaneously slightly moving the clamping head of the glass tube 111, so that the glass at the sealing part can be fused and the surface of the glass is smooth.
S8: and (3) automatic blanking A8, stopping the rotation of the electrode clamping jaw 102 and the glass tube clamping jaw 110, loosening the electrode clamping jaw, moving the glass tube 111 clamping jaw to the glass tube clamping jaw 110, and clamping the sealed arc tube by a manipulator for blanking.
Specifically, the clamping jaws of the left chuck clamp the electrode tungsten rod 114, the clamping jaws of the right chuck clamp the glass tube 111, and the right end of the glass tube 111 abuts against a sealing ring at the front end of the vent pipe to seal, so that air leakage is avoided;
the electrode tungsten rod 114 rotates under the action of the servo motor of the left chuck, the fire head moves to the lower part of the electrode tungsten rod 114 and moves along the axial direction of the electrode tungsten rod 114, and the whole electrode tungsten rod 114 is preheated;
the transition glass rod 113 moves to a position close to the electrode tungsten rod 114, the front end of the glass rod starts to soften under the action of flame of the flame head, becomes a molten state and adheres to the heated electrode tungsten rod 114;
the electrode tungsten rod 114 rotates, the transition glass rod 113 feeds longitudinally and transversely, a layer of glass coating is coated on the electrode tungsten rod 114 by molten glass liquid, flame of a flame head leaves, and the glass liquid coated on the electrode tungsten rod 114 is hardened;
moving the fire head and the transition glass rod 113 to the middle position of the glass coating, melting the front end of the glass rod and adhering the front end of the glass rod to the glass coating, longitudinally feeding the glass rod, and coating a plurality of layers of glass liquid to form glass beads 115;
moving a glass tube 111 chuck for clamping the glass tube 111 leftwards, enabling the glass tube 111 to rotate under the action of a servo motor, enabling the rotation speed of the glass tube to be matched with the rotation speed of an electrode tungsten rod 114, and simultaneously preheating a glass bead 115 on the electrode tungsten rod 114 and the left port of the glass tube 111; the clamping head for clamping the glass tube 111 continuously moves leftwards, so that the glass tube 111 is sleeved on the electrode tungsten rod 114, the glass tube 111 is concentric with the electrode tungsten rod 114, and the glass bead 115 on the electrode tungsten rod 114 is close to the left end of the glass tube 111 with a certain gap;
the flame head and the transition glass rod 113 move to the gap position, the flame heats the port of the glass tube 111 and the glass bead 115 at the same time, the flame head flame melts the front end of the transition glass rod 113, so that the melted glass liquid is filled in the gap between the port of the glass tube 111 and the glass bead 115, and the port of the glass tube 111 and the glass bead 115 on the electrode tungsten rod 114 are sealed together;
introducing gas with certain pressure into the glass tube 111, bubbling the molten transition glass at the sealing part under the action of the gas pressure, and simultaneously moving a chuck of the glass tube 111 rightwards slightly to stretch the molten transition glass at the sealing part, so that the wall thickness of the glass at the sealing part is uniform and the surface is smooth;
after the transition glass at the sealing position of the electrode tungsten rod and the glass tube 111 is cooled and shaped, the electrode chuck is loosened, the glass tube 111 moves to the right along with the glass tube 111 chuck, the sealed glass tube 111 can be moved away from the glass tube 111 chuck by the manipulator, automatic blanking is realized, and the equipment can enter the next processing cycle.
The technical process of the method of the invention can be understood as follows in combination with equipment: in the process of processing the electric arc tube of the pulse xenon lamp, the electrode tungsten rod 114 is sealed with the end part of the quartz glass tube of the electric arc tube in vacuum, and the direct sealing is difficult because the difference of the thermal expansion coefficients is overlarge; the thermal expansion system of the transitional quartz glass material is between the electrode tungsten rod 114 and the thermal expansion system of the quartz glass, and the transitional quartz glass is used as the transition to realize the vacuum sealing between the electrode tungsten rod 114 and the glass tube 111.
A vacuum sealing device is arranged between a quartz glass tube and an electrode tungsten rod 114 of a pulse xenon lamp arc tube, clamping jaws on an electrode clamping head seat clamp the electrode tungsten rod 114, clamping jaws on a clamping head seat of a glass tube 111 clamp the quartz glass tube 111, the clamping head seat of the glass tube 111 is arranged on a moving module, the moving module and the electrode clamping head seat are arranged on a bottom plate, the clamping head seat of the glass tube 111 can enable a right-end clamping jaw to be close to a left-end clamping jaw through the moving module, the left-end clamping jaw and the right-end clamping jaw are in a concentric position, and the electrode tungsten rod 114 is ensured to be in the central position of the quartz glass tube 111 during sealing.
The fire head is arranged below the electrode tungsten rod 114, the fire head is arranged on a fire head position adjusting device which can go up and down, advance and retreat forwards and backwards, the fire head position can be automatically adjusted according to the process requirements when the electrode tungsten rod 114 and the quartz glass tube 111 are sealed, and the distance between the fire head and the sealing position is controlled; the fire head position adjusting device is arranged on the fire head moving module, and according to the sealing process requirement of the electrode tungsten rod 114 and the quartz glass tube 111, the fire head moves along the axial direction of the electrode tungsten rod 114 to paint transition glass liquid on the electrode tungsten rod 114 to form a coating of the electrode tungsten rod 114.
The transition glass rod 113 is clamped by a clamping jaw on a feeding gas claw, the feeding gas claw is arranged on a gas claw mounting block, the gas claw mounting block is arranged at the moving end of an electric cylinder, the transition glass rod 113 radially feeds to the electrode tungsten rod 114 along with the movement of the electric cylinder and cooperates with the rotation of the electrode tungsten rod 114 to smear transition glass liquid on the electrode tungsten rod 114; the electric cylinder is arranged on an electric cylinder mounting seat, the electric cylinder mounting seat is arranged on a transverse moving sliding block of a transverse moving module, and when the transverse moving module moves, the electric cylinder mounting seat drives a transition glass rod 113 to move along the axial direction of an electrode tungsten rod 114, so that transition glass liquid is spirally coated on the autorotation electrode tungsten rod 114, and a transition quartz glass coating is formed on the electrode tungsten rod 114.
Coating the electrode tungsten rod 114 with the transition glass rod 113, stacking glass beads 115 on the coating, filling materials between the tungsten rod and the glass tube 111, consuming transition quartz glass materials, consuming a certain length of the transition glass rod 113 when sealing one position, clamping the glass rod by the auxiliary gas claw, loosening the feeding gas claw, returning the feeding gas claw, wherein the returning distance is consistent with the length of the glass rod consumed by sealing each time, clamping the glass rod by the feeding gas claw, loosening the glass rod by the auxiliary gas claw, completing material supplement of the transition glass rod 113, and entering the next processing cycle.
A device for sealing a quartz glass tube with an electrode tungsten rod 114 comprises a mounting base plate, an electrode chuck assembly, a glass tube 111 chuck moving mechanism, a fire head moving mechanism, a transition glass rod 113 feeding mechanism and the like.
The bottom plate is used for mounting an electrode chuck body, the glass tube 111 chuck body is mounted on the glass tube 111 chuck moving module, and the moving module is mounted on the bottom plate; the fire head is arranged on the fire head position adjusting device, the fire head position adjusting device is arranged on the fire head moving module, and the fire head moving module is arranged on the bottom plate; the transition glass rod 113 clamping chuck is arranged on a longitudinally-feeding electric cylinder, the electric cylinder is arranged on a transversely-feeding moving module, the moving module is arranged on a bottom plate, and all moving mechanisms are finally arranged on the bottom plate, so that the position accuracy of the electrode tungsten rod 114 and the glass tube 111 during sealing is ensured.
A support cylinder is arranged on the electrode chuck body, a chuck for clamping the electrode tungsten rod 114 is arranged at the front end of the support cylinder, the chuck is clamped by spring force, and the chuck is loosened under the pushing of an air cylinder; the supporting cylinder is provided with a gear, and the servo motor can control the rotation of the supporting cylinder through the engagement of the transition gear and the gear on the servo motor, so that the autorotation of the electrode tungsten rod 114 is realized, and the process requirement during sealing is met.
The clamping head body of the glass tube 111 is provided with a supporting cylinder, the front end of the supporting cylinder is provided with a clamping head for clamping the glass tube 111, the clamping head is clamped by spring force, and the clamping head is loosened under the push of an air cylinder; a vent pipe is arranged in the support cylinder, and pressure gas can be introduced into the glass tube 111 for bubbling during sealing; the supporting cylinder is provided with a gear, and the servo motor can control the supporting cylinder to rotate by meshing the transition gear with the gear on the servo motor, so that the quartz glass tube 111 can rotate to meet the process requirements during sealing.
The glass tube 111 chuck body is arranged on the movable module, and the movable module is provided with a servo motor, so that the moving position of the glass tube 111 chuck body can be accurately controlled, and the relative positions of the quartz glass tube 111 and the electrode tungsten rod 114 during sealing can be ensured.
The transition glass rod 113 is clamped by a feeding gas claw, the gas claw is arranged on a longitudinal feeding electric cylinder, and the electric cylinder is arranged on a transverse moving module, so that transverse and longitudinal feeding of the transition glass rod 113 is realized during sealing; the consumed transition glass material is clamped by the auxiliary clamping jaw, and the feeding clamping jaw retreats and then clamps the glass rod to realize material supplementing.
The invention also discloses a device for sealing the quartz glass tube and the electrode tungsten rod, which has the structure shown in the figures 3-6, wherein an electrode chuck body 101 is arranged on the bottom plate 106, and a left-end electrode clamping jaw 102 is arranged on the electrode chuck body 101 and is used for clamping the electrode tungsten rod 114; meanwhile, the bottom plate 106 is provided with a glass tube chuck moving module 107, the glass tube chuck moving module 107 is provided with a glass tube chuck body 109, and the glass tube chuck body 109 is provided with a glass tube chuck 110 for clamping a glass tube 111; the fire head moving module 105 is arranged on the bottom plate 106, the fire head moving module 105 is provided with a fire head position adjusting device 104, the fire head position adjusting device 104 is provided with a fire head 103, a flame burned by the fire head 103 heats an electrode tungsten rod 114, a left port of a glass tube 111 and the front end of a transition quartz glass rod 113; the transitional quartz glass tube rod is held by the gas claw 112, while the gas claw 112 is mounted on the lateral moving module 410 and the lateral moving module 410 is mounted on the base plate 106.
The structure of the electrode chuck body mechanism is shown in fig. 4, an electrode chuck servo motor 215 is installed on the electrode chuck body 101, a servo motor gear 216 is installed on an output shaft of the servo motor 215, the gear 216 is meshed with a transition gear 201, transition gear bearings 202 are installed at two ends of a shaft of the gear 201, and an outer ring of each bearing 202 is installed in a bearing hole of the electrode chuck body 101; the transition gear 201 is meshed with a supporting cylinder gear 206, the supporting cylinder gear 206 is arranged on a left supporting cylinder 205, two supporting cylinder bearings 208 are arranged on two sides of the gear 206 and the left supporting cylinder 205, and the outer rings of the bearings 208 are arranged in bearing holes of the electrode chuck body 101; the gear 216 on the shaft of the servo motor 215 drives the support cylinder 205 to rotate through the transition gear 201 and the gear 206.
A group (a plurality of and uniform distribution) of electrode inner cone sliding blocks 203 are arranged at the front end of the supporting cylinder 205 (the front end of the supporting cylinder 205 is provided with a T-shaped groove, the electrode inner cone sliding blocks 203 are provided with T-shaped blocks), each electrode inner cone sliding block 203 is respectively provided with a left-end electrode clamping jaw 102, the conical surface of the electrode inner cone sliding block 203 is propped against the conical surface of the outer cone pull rod 204, the tail thread of the outer cone pull rod 204 is connected with the front-end internal thread of the left-end electrode pull rod 207, the left-end electrode pull rod 207 and the outer cone pull rod 204 are arranged in the hole of the left-end supporting cylinder 205, a spring 209 is arranged on the left-end electrode pull rod 207, the front end of the spring 209 is propped against the step of the inner hole of the supporting cylinder 205, the spring pressure of the spring 209 causes the left-end electrode pull rod 207 to be pulled leftwards, the outer cone pull rod 204 is also pulled leftwards, the electrode inner cone sliding blocks 203 are pulled towards the central direction of the supporting cylinder 205 (the electrode inner cone sliding blocks 203 and the outer cone pull rods 204 are provided with T-shaped grooves), the electrode clamping jaws 102 arranged on the electrode inner cone sliding blocks 203 are also moved towards the central direction of the supporting cylinder 205, holding the electrode tungsten rod 114.
The electrode clamping head body 101 is provided with an air cylinder support 214, the air cylinder support 214 is provided with an air cylinder 212, the air cylinder 212 is provided with a compressed air inlet throttle valve 211 for adjusting the extending speed of the air cylinder 212, an extending shaft of the air cylinder 212 is provided with an electrode top block 210, the electrode top block 210 overcomes the spring force of a spring 209 after extending, so that the left end electrode pull rod 207 moves rightwards, the electrode clamping jaws 102 on the electrode inner cone sliding block 203 also move towards the opposite direction of the center of the supporting cylinder 205, and the electrode clamping jaws 102 release the electrode tungsten rod 114.
A glass tube chuck mechanism, the structure of which is shown in fig. 5, a glass tube chuck servo motor 305 is installed on a glass tube chuck body 109, a servo motor gear 303 is installed on an output shaft of the servo motor 305, the gear 303 is meshed with a transition gear 302, transition gear bearings 301 are installed at two ends of a shaft of the gear 302, and an outer ring of the bearing 301 is installed in a bearing hole of the glass tube chuck body 109; the transition gear 302 is engaged with a supporting cylinder gear 315, the supporting cylinder gear 315 is arranged on a glass tube supporting cylinder 317, two supporting cylinder bearings 314 are arranged on two sides of the gear 315 and the glass tube supporting cylinder 317, and the outer rings of the bearings 314 are arranged in bearing holes of the glass tube chuck body 109; the gear 303 on the shaft of the servo motor 305 drives the glass tube supporting cylinder 317 to rotate through the transition gear 302 and the gear 315.
A group (a plurality of T-shaped blocks and T-shaped blocks are uniformly distributed) of inner glass tube conical slide blocks 320 are arranged at the front end of the glass tube supporting cylinder 317 (the front end of the glass tube supporting cylinder 317 is provided with a T-shaped groove, the inner glass tube conical slide blocks 320 are provided with T-shaped blocks), each inner glass tube conical slide block 320 is respectively provided with a right glass tube clamping jaw 110, the conical surface of the inner glass tube conical slide block 320 is propped against the conical surface of the outer glass tube conical pull rod 318, the tail thread of the outer glass tube conical pull rod 318 is connected with the front inner thread of the right glass tube pull rod 308, the right glass tube pull rod 308 and the outer glass tube conical pull rod 318 are arranged in the hole of the glass tube supporting cylinder 317, a glass tube spring 318 is arranged on the right glass tube pull rod 308, the front end of the glass tube spring 316 is propped against the step of the inner hole of the glass tube supporting cylinder, the spring pressure of the glass tube spring 316 causes the right glass tube pull rod 308 to be pulled rightwards, the outer glass tube conical pull rod 318 is also pulled rightwards, the inner glass tube pull rod 318 is pulled, the inner glass tube slide blocks 320 is pulled rightwards, the inner glass tube supporting cylinder 317 is pulled towards the direction, and the glass tube inner glass tube conical slide blocks 320 is pulled towards the center direction of the glass tube supporting cylinder 317, the tube holding claw 110 attached to the tube inner cone slider 320 is also moved toward the center of the tube holding cylinder 317 to hold the tube 111.
A hole is formed in the middle of the shaft of the right glass tube pull rod 308 and the shaft of the glass tube outer cone pull rod 318, the vent pipe 309 passes through the center holes of the right glass tube pull rod 308 and the glass tube outer cone pull rod 318, a sealing ring 319 is arranged at the front end of the vent pipe, the right end of the glass tube 111 abuts against the sealing ring 319 to play a sealing role, gas cannot leak when being introduced into the glass tube 111, the right end of the vent pipe 309 is connected with a blowing rotary joint 312, and blowing cannot be influenced when the vent pipe 309 rotates; a vent pipe fixing screw 313 is arranged on the outer circle of the right end of the glass tube supporting cylinder 317, and the screw 313 penetrates through the glass tube pull rod 308 to enter a radial hole at the right end of the vent pipe 309, so that the relative positions of the vent pipe 309 and the glass tube supporting cylinder 317 are fixed; the tube drawing bar 308 is provided with a kidney-shaped hole at a position where it passes through the screw 313, and the screw 313 does not lock the axial movement of the tube drawing bar 308.
The glass tube clamping head body 109 is provided with a glass tube cylinder support 307, the glass tube cylinder support 307 is provided with a clamping head opening glass tube cylinder 311, a glass tube top block 310 is arranged on an extending shaft of the glass tube cylinder 311, the glass tube top block 310 overcomes the spring force of a glass tube spring 316 after extending, so that a right-end glass tube pull rod 308 moves left, a glass tube clamping jaw 110 on a glass tube inner cone sliding block 320 also moves in the opposite direction to the central shaft of a glass tube supporting cylinder 317, and the glass tube clamping jaw 110 loosens a glass tube 111, so that the glass tube 111 can be automatically fed and discharged.
The glass tube chuck body 109 is mounted on the moving slide block 304 of the moving module, the moving slide block 304 is a component of the glass tube chuck moving module 107, the servo motor 108 is mounted on the moving module, the servo motor 108 rotates to drive the moving slide block to move on the module 107, and further drive the glass tube chuck body 109 to move, so as to complete the action required by the glass tube 111 in the whole processing process.
The transition glass rod feeding mechanism has the structure shown in fig. 6, wherein a glass rod clamping head 112 is arranged on a feeding gas claw 404, the glass rod clamping head 112 can be opened and closed and is used for clamping the transition glass rod 113, and the feeding gas claw 404 is arranged at the moving end of a feeding electric cylinder 406 and can realize the longitudinal feeding of the transition glass rod 113; the fixed end of the feeding electric cylinder 406 is mounted on an electric cylinder mounting seat 407, the electric cylinder mounting seat 407 is mounted on a transverse moving slider 408, the transverse moving slider 408 is an assembly on a transverse moving module 410, the transverse moving module 410 is provided with a servo motor 409, and the servo motor outputs rotary motion to enable the transverse moving slider 408 to realize transverse motion, and finally, the transverse movement of the transition glass rod 113 is realized, so that the process requirement of the motion of the transition glass rod required by sealing is realized.
When the transition glass rod 113 completes sealing once, the glass rod chuck 112 feeds longitudinally, and the material clamped by the front end of the glass rod chuck 112 in a certain length is consumed; an auxiliary gas claw support 401 is installed on the transverse moving slide block 408, an auxiliary gas claw 402 is installed on the auxiliary gas claw support 401, an auxiliary chuck 403 is installed on the gas claw 402, the auxiliary chuck 403 clamps the transitional glass rod 113, at this time, the glass rod chuck 112 is loosened, longitudinally retreated, clamps the transitional glass rod 113 again, and then the auxiliary chuck 403 is loosened, completing the supplement of the consumed transitional glass rod material.
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A sealing method suitable for a quartz glass tube and an electrode tungsten rod is characterized in that:
the end of the glass tube (111) is close to the glass bead (115) on the electrode tungsten rod (114) and then is preheated, after the gap is filled with molten glass liquid, the gap is integrally heated, and the glass tube is inflated and bubbled, and the glass tube and the electrode are synchronously stretched, so that the wall thickness of transition glass at the sealing position is uniform.
2. A method of sealing a quartz glass tube with an electrode tungsten rod according to claim 1, characterized in that: the method comprises the following steps:
step 1: heating a transition glass rod (113) to be melted into glass liquid, and smearing a layer of glass liquid on the outer surface of an electrode tungsten rod (114) to form a transition glass coating;
step 2: stacking a molten transition glass rod (113) on the outer circular surface of the transition glass coating around the circumferential direction of the electrode tungsten rod (114) to form a glass bead (115);
and 3, step 3: the glass tube (111) is close to the glass bead (115) with a certain gap, and the port of the glass tube (114) and the glass bead (115) are preheated;
and 4, step 4: filling molten glass of the transition glass rod (113) in a gap between the glass tube (111) and the glass bead (115) to seal the glass tube (111) and the glass bead (115);
and 5: and integrally heating the sealing section, inflating and bubbling in the glass tube (111), and stretching the glass tube (111) and the electrode tungsten rod (114) to ensure that the transition glass material at the sealing part achieves uniform wall thickness and smooth surface.
3. A sealing device of a quartz glass tube and an electrode tungsten rod is characterized by comprising an electrode chuck component, a glass tube chuck moving mechanism, a fire head component and moving mechanism and a transition glass rod feeding mechanism;
the electrode chuck assembly can drive the electrode tungsten rod (114) to rotate along the axis of the electrode tungsten rod (114), so that glass beads of the electrode tungsten rod (114) are piled and sealed;
the glass tube chuck component can drive the glass tube (111) to rotate along the axis of the glass tube (111) and center the glass tube, and the glass tube chuck moving mechanism drives the glass tube chuck component and the glass tube (111) to axially reciprocate along the glass tube (111); a vent pipe (309) is arranged in the glass tube chuck assembly, and bubbling gas enters the sealed glass tube through the vent pipe to perform bubbling forming on the sealed part.
4. A sealing apparatus of a quartz glass tube and an electrode tungsten rod according to claim 3, wherein the electrode cartridge assembly comprises an electrode cartridge body (101) and an electrode supporting cylinder (205);
an electrode chuck servo motor (215) is arranged on the electrode chuck body (101); an output gear (216) is arranged on an output shaft of the electrode chuck servo motor (215), and the output gear (216) is meshed with the transition gear (201); the transition gear (201) is meshed with a support barrel gear (206); the supporting cylinder gear (206) is arranged on the electrode supporting cylinder (205); the servo motor (215) drives the transition gear (201) and the supporting cylinder gear (206) through the output gear (216) to drive the electrode supporting cylinder (205) to rotate;
the front end of the electrode supporting cylinder (205) is provided with an electrode inner cone sliding block (203), and the electrode inner cone sliding block (203) is provided with an electrode clamping jaw (102);
an electrode pull rod (207) capable of reciprocating along the electrode supporting cylinder (205) is arranged in the electrode supporting cylinder (205); the front end of the electrode pull rod (207) is connected with the electrode outer cone pull rod (204); the electrode outer cone pull rod (204) is matched with the electrode inner cone sliding block (203); when the electrode pull rod (207) moves leftwards, the electrode outer cone pull rod (204) can drive the electrode inner cone sliding block (203) and the electrode clamping jaws (102) arranged on the electrode inner cone sliding block (203) to do linear motion approaching the axis of the electrode supporting cylinder (205) so as to clamp the electrode tungsten rod (114);
an electrode spring 209 capable of driving the electrode pull rod (207) to move left is arranged in the cavity of the electrode supporting cylinder (205);
be equipped with electrode cylinder support (214) on electrode chuck body (101), be equipped with electrode cylinder (212) on electrode cylinder support (214), be equipped with electrode kicking block (210) on the projecting shaft of electrode cylinder (212), electrode kicking block (210) overcome the spring force of electrode spring (209) after stretching out, promote electrode pull rod (207) move to the right, and electrode outer cone pull rod (204) can drive interior cone slider (203) of electrode and set up and be in electrode clamping jaw (102) of interior cone slider (203) of electrode do keep away from the linear motion of electrode supporting cylinder (205) axis loosens electrode tungsten pole (114).
5. A sealing apparatus of a quartz glass tube and an electrode tungsten rod according to claim 3, wherein the glass tube chuck assembly comprises a glass tube chuck body (109) and a glass tube support cylinder (317);
a glass tube servo motor (305) is arranged on the glass tube chuck body (109), a glass tube output gear (303) is arranged on an output shaft of the glass tube servo motor (305), and the glass tube output gear (303) is meshed with the glass tube transition gear (302); the glass tube transition gear (302) is meshed with a glass tube supporting cylinder gear (315); the glass tube output gear 303 drives the glass tube supporting cylinder (317) to rotate through a glass tube transition gear (302) and a glass tube supporting cylinder gear (315);
a glass tube pull rod (308) which can reciprocate along the glass tube supporting cylinder (317) is arranged in the glass tube supporting cylinder (317); the front end of the glass tube pull rod (308) is connected with a glass tube outer cone pull rod (318); the glass tube outer cone pull rod (318) is matched with the glass tube inner cone sliding block (320); when the glass tube pull rod (308) moves rightwards, the glass tube outer cone pull rod (318) can drive the glass tube inner cone sliding block (320) and the glass tube clamping jaw (110) arranged on the glass tube inner cone sliding block (320) to do linear motion approaching the axis of the glass tube supporting cylinder (317) so as to clamp the glass tube (111);
a glass tube spring (316) capable of driving the glass tube pull rod (308) to move right is arranged in the cavity of the glass tube supporting cylinder (317);
a glass tube cylinder support (307) is arranged on the glass tube chuck body (109), a glass tube cylinder (311) is arranged on the glass tube cylinder support (307), a glass tube top block (310) is arranged on an extending shaft of the glass tube cylinder (311), the glass tube top block (310) overcomes the spring force of a glass tube spring (316) after extending, the glass tube pull rod (308) is pushed to move left, and a glass tube clamping jaw (110) loosens a glass tube (111), so that the glass tube (111) can be automatically fed and discharged;
a through hole is arranged between the glass tube pull rod (308) and the glass tube outer cone pull rod (318), the vent pipe (309) passes through the through hole, a sealing ring (319) is arranged at the front end of the vent pipe, and the right end of the glass tube (111) is propped against the sealing ring to play a role in sealing;
the outer circle of the right end of the glass tube supporting cylinder (317) is provided with a vent tube fixing screw (313), and the vent tube fixing screw (313) penetrates through the glass tube pull rod (308) to enter a radial hole at the right end of the vent tube (309) so as to fix the relative position of the vent tube (309) and the glass tube supporting cylinder (317);
the glass tube pull rod (308) is provided with a kidney-shaped hole at the position of passing through the vent pipe fixing screw (313), and the vent pipe fixing screw (313) does not lock the axial movement of the glass tube pull rod (308).
6. A sealing apparatus of a quartz glass tube and an electrode tungsten rod according to claim 5, characterized in that: the glass tube chuck moving mechanism comprises a glass tube chuck moving module (107) and a glass tube chuck moving module servo motor (108) for driving the glass tube chuck moving module (107) to move;
the glass tube chuck moving module (107) is provided with a moving slide block (304) which can reciprocate along the glass tube chuck moving module (107); the glass tube chuck body (109) is arranged on the movable sliding block (304).
7. A sealing apparatus of a quartz glass tube and an electrode tungsten rod according to claim 3, characterized in that: the transition glass rod feeding mechanism comprises a transverse moving module (410), and a feeding gas claw (404) and an auxiliary gas claw (402) which are arranged on the transverse moving module (410);
the front end of the feeding gas claw (404) is provided with a glass rod clamping head (112) for clamping a transition glass rod; the front end of the auxiliary gas claw (402) is provided with an auxiliary clamping head (403) for clamping a transition glass rod;
the feeding gas claw (404) is arranged at the front end of a piston rod of the feeding electric cylinder (406); vertical feeding of the transition glass rod 113 can be achieved.
8. A sealing apparatus of a quartz glass tube and an electrode tungsten rod according to claim 3, characterized in that: the electrode chuck mechanism servo motor (215) drives an electrode tungsten rod (114) on the electrode chuck (102) to rotate through a transition gear (201);
the glass tube chuck mechanism servo motor (305) drives a glass tube (111) on the glass tube chuck (110) to rotate through a transition gear (301);
the electrode chuck mechanism servo motor (215) and the glass tube chuck mechanism servo motor (305) are controlled by a servo control system to realize synchronous rotation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210279989.9A CN114743848B (en) | 2022-03-21 | 2022-03-21 | Sealing method and device suitable for quartz glass tube and electrode tungsten rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210279989.9A CN114743848B (en) | 2022-03-21 | 2022-03-21 | Sealing method and device suitable for quartz glass tube and electrode tungsten rod |
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| CN114743848B CN114743848B (en) | 2024-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023012A (en) * | 2023-02-23 | 2023-04-28 | 东南大学 | Method and device for shrink sealing of second end of quartz glass arc tube |
| TWI846609B (en) * | 2023-01-16 | 2024-06-21 | 大陸商昆山聯滔電子有限公司 | Conductive film installation device and method using the same |
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| CN103198999A (en) * | 2013-04-28 | 2013-07-10 | 上海大愚光源科技有限公司 | Pulse xenon lamp adopting one-step matching sealing process |
| CN203999377U (en) * | 2014-06-11 | 2014-12-10 | 周明华 | A kind of gas-discharge lamp electrode automatic sealing package picks |
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2022
- 2022-03-21 CN CN202210279989.9A patent/CN114743848B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198999A (en) * | 2013-04-28 | 2013-07-10 | 上海大愚光源科技有限公司 | Pulse xenon lamp adopting one-step matching sealing process |
| CN203999377U (en) * | 2014-06-11 | 2014-12-10 | 周明华 | A kind of gas-discharge lamp electrode automatic sealing package picks |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI846609B (en) * | 2023-01-16 | 2024-06-21 | 大陸商昆山聯滔電子有限公司 | Conductive film installation device and method using the same |
| CN116023012A (en) * | 2023-02-23 | 2023-04-28 | 东南大学 | Method and device for shrink sealing of second end of quartz glass arc tube |
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| CN114743848B (en) | 2024-03-26 |
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