CN115172119A - Outer glass tube packaging equipment of double-end low-power metal halide lamp and processing method - Google Patents
Outer glass tube packaging equipment of double-end low-power metal halide lamp and processing method Download PDFInfo
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- CN115172119A CN115172119A CN202210623914.8A CN202210623914A CN115172119A CN 115172119 A CN115172119 A CN 115172119A CN 202210623914 A CN202210623914 A CN 202210623914A CN 115172119 A CN115172119 A CN 115172119A
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- 239000011521 glass Substances 0.000 title claims abstract description 170
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 229910001507 metal halide Inorganic materials 0.000 title claims abstract description 22
- 150000005309 metal halides Chemical class 0.000 title claims abstract description 22
- 238000003672 processing method Methods 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000010891 electric arc Methods 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 23
- 238000013519 translation Methods 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012858 packaging process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 49
- 230000009471 action Effects 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- 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
- H01J9/40—Closing vessels
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- 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
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses an outer glass tube packaging device of a double-end small-power metal halide lamp, which comprises an outer tube positioning and conveying mechanism, an outer tube clamping and rotating air supply mechanism, an inner tube positioning and clamping mechanism, a heating and transmission mechanism and a double-end die-closing and sealing mechanism, wherein the outer tube positioning and conveying mechanism, the outer tube clamping and rotating air supply mechanism, the inner tube positioning and clamping mechanism, the heating and transmission mechanism and the double-end die-closing and sealing mechanism are arranged on a working table; the invention also discloses a packaging method thereof, which comprises the steps of sleeving the outer glass tube outside the arc tube; heating the packaging areas at the two ends of the outer glass tube; when the quartz glass in the sealing areas at the two ends of the outer glass tube reaches a molten state, the double-end die closing and sealing mechanism simultaneously closes and seals the molten quartz glass at the two ends. The invention adopts the method of heating and sealing the two ends simultaneously, which can shorten the total packaging process time of the outer glass tube, and can reduce the complexity of the fire head design and improve the safety performance by fixing the plane fire head and rotating and heating the outer glass tube; the rotary gas supply device can supply inert protective gas into the outer glass tube in the rotating process of the outer glass tube.
Description
Technical Field
The invention relates to the technical field of processing and manufacturing of metal halide lamps, in particular to an outer glass tube packaging device of a double-end small-power metal halide lamp and a corresponding processing method thereof.
Background
The outer glass tube packaging equipment of the double-end small-power metal halide lamp is characterized in that an arc tube of the small-power metal halide lamp is packaged in a section of quartz glass straight tube (outer glass tube) with the diameter of 20-36mm through a hot melting press sealing technology, so that the surface of the arc tube is kept clean, and the energy loss of the arc tube is reduced. The outer glass tube has been previously vertically butted with a section of process exhaust tube. Because the high melting point of the quartz glass and the diameter of the straight quartz glass tube are larger, more importantly, in order to prevent the high-temperature oxidation of the electrode of the electric arc tube, inert protective gas needs to be introduced into the outer glass tube through the process exhaust pipe of the outer glass tube in the heating process. The problems cause that the existing packaging equipment adopts the outer glass tube to be vertically clamped on the bracket, and the electric arc tube is hoisted into the outer glass tube through the upper end of the outer glass tube; the lower end of the outer glass tube is heated by adopting an annular flame head with centripetal flame, when the quartz glass at the lower end of the outer glass tube reaches a proper molten state, the fused quartz glass and the electrode of the electric arc tube inside are pressed into the die set by a group of opening and closing die sets vertical to the outer glass tube, and the lower end of the outer glass tube is packaged after cooling and shaping. Then the outer glass tube is turned and clamped again, the non-packaged end of the outer glass tube is turned to the lower end, the heating packaging process is repeated, and the packaging of the other end of the outer glass tube is completed.
By adopting the packaging equipment, the clamping of the quartz glass tube and the arc tube is difficult, and a double-path gas supply system is required to be configured to provide different inert protective gas pressures due to different internal pressures when the first end and the second end are packaged. More importantly, the annular fire head and all clamping mechanisms in the high-temperature area need to be cooled by water, and the structure of the annular fire head is complex, so that once the water inside the fire head is not sufficiently supplied, the fire head is burnt, and potential safety hazards exist to a certain extent.
Disclosure of Invention
The present invention is directed to provide an outer glass tube packaging device of a double-ended low-power metal halide lamp and a corresponding processing method thereof.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an outer glass tube packaging device of a double-end small-power metal halide lamp comprises an outer tube positioning and conveying mechanism, an outer tube clamping and rotating air supply mechanism, an inner tube positioning and clamping mechanism, a heating and transmission mechanism and a double-end die-closing sealing mechanism, wherein the outer tube positioning and conveying mechanism, the outer tube clamping and rotating air supply mechanism, the inner tube positioning and clamping mechanism, the heating and transmission mechanism and the double-end die-closing sealing mechanism are arranged on a working table;
the outer tube positioning and conveying mechanism is used for conveying the outer glass tube from the upper material level to the lower material level to the outer tube clamping and rotating air supply mechanism positioned at the sealing position;
the outer tube clamping and rotating gas supply mechanism is used for clamping and fixing the outer glass tube and supplying inert protective gas into the process exhaust tube of the outer glass tube;
the inner tube positioning and clamping mechanism is used for clamping and fixing the electric arc tube and conveying the electric arc tube back and forth between an upper material level, a lower material level and a sealing position to realize the sleeving of the outer glass tube and the electric arc tube;
the heating and transmission mechanism is used for driving the outer glass tube to rotate and uniformly heating the packaging areas at the two ends of the outer glass tube;
and the double-end die-closing and sealing mechanism is used for packaging two ends of the outer glass tube and the electric arc tube.
Furthermore, outer tube location conveying mechanism is including setting up the outer tube translation cylinder on the stand, the tailpiece of the piston rod of outer tube translation cylinder is provided with clamping jaw cylinder, be provided with the outer tube clamping jaw on the clamping jaw cylinder.
Further, outer tube centre gripping and gyration air feed mechanism includes outer tube centre gripping subassembly and gyration air feeder, outer tube centre gripping subassembly sets up on the main support, the gyration air feeder set up in on the outer tube centre gripping subassembly.
Furthermore, the outer tube clamping assembly comprises a fixed disc, a sealing disc, a movable disc and an outer tube clamping element which are sequentially arranged, the fixed disc is fixed on the main support, the movable disc is rotatably connected with the fixed disc, the outer tube clamping element is arranged on the movable disc, the sealing disc is arranged between the fixed disc and the movable disc, an annular air groove is formed in the fixed disc, an air inlet pipe joint communicated with the annular air groove is arranged on the side wall of the fixed disc, and inserting holes communicated with the annular air groove are correspondingly formed in the sealing disc and the movable disc; the rotary air supply device comprises a right-angle connecting pipe, a U-shaped hose and an air catching head which are sequentially connected, wherein an air catching support is arranged on the U-shaped hose, an air catching spring is arranged between the air catching head and the air catching support, the right-angle connecting pipe is connected with the jack, and the air catching head is matched with a process exhaust pipe on the outer glass tube.
Further, one side relative with the driving disk on the sealed dish is provided with guide pin and blind hole, it is provided with the pinhole to correspond on the driving disk, sealed dish inserts the pinhole through the guide pin and is fixed in on the driving disk, be provided with pressure disk spring in the blind hole, pressure disk spring's outer end and driving disk butt, the opposite side and the fixed disk butt of sealed dish, and the annular gas tank of sealed fixed disk.
Further, the outer tube clamping piece includes V type piece and set up in the depression bar of V type piece open end, the depression bar upper end through the extension spring with V type piece is connected, the depression bar lower extreme passes through the fix with screw on the driving disk, the depression bar rotates through the axle sleeve and sets up on the screw, be provided with the pressure tight bearing who presss from both sides tight outer glass pipe on the depression bar.
Further, inner tube location fixture includes inner tube translation cylinder, long guide rail, centre gripping body bottom plate and set up in on the centre gripping body bottom plate, be used for centre gripping electric arc tube both ends long centre gripping body subassembly and short centre gripping body subassembly, inner tube translation cylinder drives the centre gripping body bottom plate slide set up in on the long guide rail, long centre gripping body subassembly is worn to locate in the middle of outer tube centre gripping and the gyration air feed mechanism.
Furthermore, the long clamping body assembly and the short clamping body assembly are identical in structure, the clamping body assembly comprises a clamping jaw support, a finger cylinder and a movable clamping jaw, the finger cylinder is arranged on the clamping jaw support, and the finger cylinder pushes the movable clamping jaw to be opened and closed through a push rod; the length of the clamping jaw support of the long clamping body assembly is greater than that of the outer glass tube.
Furthermore, the middle part of the movable clamping jaw is hinged to the clamping jaw support, a pressing head used for clamping the arc tube is arranged at the outer end of the movable clamping jaw, a jacking spring is arranged at the lower part of the inner end of the movable clamping jaw, and the finger cylinder presses or releases the inner end of the movable clamping jaw through a mandril to control the outer end of the movable clamping jaw to open and close.
Further, heating and drive mechanism is including setting up the step motor between main support and fire baffle, step motor drive outer tube centre gripping rotates with gyration air feed mechanism, the lateral surface of main support and fire baffle is provided with the plane flame respectively, the plane flame is located the below of outer glass pipe seal end.
Furthermore, the double-end die-closing sealing mechanism comprises a die-closing cylinder, a link mechanism and two U-shaped sealing die supporting plates with opposite openings, sealing dies are arranged at the ends of the sealing die supporting plates, the sealing dies are symmetrically arranged at the two ends of the outer glass tube, and the die-closing cylinder controls the two sealing die supporting plates to move oppositely through the link mechanism so as to enable the corresponding sealing dies to be closed.
Further, a sealing die support is arranged below the sealing die support plate, and the sealing die support plate is connected with the sealing die support in a sliding mode through a short guide rail sliding block assembly.
The method for packaging the outer glass tube of the double-end small-power metal halide lamp comprises the following steps:
and 3, when the quartz glass in the sealing areas at the two ends of the outer glass tube reaches a molten state, carrying out die assembly and press sealing on the molten quartz glass at the two ends by a double-end die assembly and sealing mechanism.
Further, during the heating and sealing process, the rotary gas supply device supplies inert protective gas to the inner part of the outer glass tube.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention adopts the method of heating and sealing the two ends simultaneously, which can shorten the total packaging process time of the outer glass tube, and can reduce the complexity of the fire head design and improve the safety performance by fixing the plane fire head and rotating and heating the outer glass tube; the rotary gas supply device is used for supplying inert protective gas into the outer glass tube in the rotating process of the outer glass tube; the two ends of the outer glass tube are simultaneously sealed through the double-end die-closing sealing mechanism, so that the consistency of the sealing shapes of the two ends of the outer glass tube can be ensured, and an air supply system of the device is simplified; the automatic feeding and discharging of the equipment are realized through the outer pipe positioning and conveying mechanism and the inner pipe positioning and clamping mechanism, and a solution way is found for realizing the automation of the equipment in the later period.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an outer tube positioning and conveying mechanism according to the present invention;
FIG. 3 is a schematic structural view of an outer tube clamping and rotary air supply mechanism according to the present invention;
FIG. 4 is a schematic view of the inner tube positioning and clamping mechanism of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view of the heating and driving mechanism of the present invention;
fig. 7 is a schematic structural view of the double-end closing mechanism of the present invention.
In the figure: 1. A work table; 2. an outer glass tube; 3. a process exhaust pipe; 4. an arc tube; 5. a column; 6. an outer tube translation cylinder; 7. a clamping jaw cylinder; 8. an outer tube jaw; 9. a main support; 10. fixing a disc; 11. sealing the disc; 12. a movable disc; 13. an annular gas groove; 14. an air inlet pipe joint; 15. a jack; 16. a right-angle connecting pipe; 17. a U-shaped hose; 18. a gas capture head; 19. a gas trapping bracket; 20. a gas trapping spring; 21. a guide pin; 22. a pin hole; 23. a platen spring; 24. a V-shaped block; 25. a pressure lever; 26. a tension spring; 27. pressing the bearing; 28. an inner tube translation cylinder; 29. a long guide rail; 30. a clamping body bottom plate; 31. a jaw support; 311. a vertical plate; 312. a gripper arm; 32. a finger cylinder; 33. a movable clamping jaw; 34. a compression head; 35. pressing the spring; 36. a top rod; 37. a fire damper; 38. a stepping motor; 39. a flat fire head; 40. a die closing cylinder; 41. a sealing mould supporting plate; 42. sealing the mold; 43. a sealing die support; 44. a cylinder support; 45. a first link; 46. a right-angle connecting rod; 47. a second link; 48. and (4) rotating the shaft.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1-7, which are schematic structural diagrams of an outer glass tube packaging device of a double-ended small-power metal halide lamp according to the present invention; according to the clamping positions of the outer glass tube 2 and the electric arc tube 4, a working area is divided into two stations, wherein one station is an upper material level and a lower material level (the right material level is deviated on a working table surface), the outer glass tube conveying manipulator is alternately jointed with the outer glass tube 2 of the outer tube positioning and conveying mechanism on the station, and the electric arc tube conveying manipulator is jointed with the electric arc tube 4 of the inner tube positioning and clamping mechanism; the other is a sealing position (the middle part on the working table surface), and the outer glass tube 2 and the electric arc tube 4 finish double-end heating and sealing at the position.
The packaging equipment comprises an outer pipe positioning and conveying mechanism, an outer pipe clamping and rotating air supply mechanism, an inner pipe positioning and clamping mechanism, a heating and transmission mechanism and a double-end die-closing sealing mechanism, wherein the outer pipe positioning and conveying mechanism, the outer pipe clamping and rotating air supply mechanism, the inner pipe positioning and clamping mechanism, the heating and transmission mechanism and the double-end die-closing sealing mechanism are arranged on a working table top 1.
The outer tube positioning and conveying mechanism is used for conveying the outer glass tube 2 from the upper material level to the lower material level to the outer tube clamping and rotating gas supply mechanism positioned at the sealing position;
further, outer tube location conveying mechanism is including setting up outer tube translation cylinder 6 on stand 5, the tailpiece of the piston rod end of outer tube translation cylinder 6 is provided with clamping jaw cylinder 7, be provided with outer tube clamping jaw 8 on the clamping jaw cylinder 7, outer tube clamping jaw 8 centre gripping outer glass pipe 2 to seal the position by outer tube translation cylinder 6 propelling movement.
The outer tube clamping and rotating gas supply mechanism is used for clamping and fixing the outer glass tube 2 and supplying inert protective gas into the process exhaust tube 3 of the outer glass tube 2;
further, the outer tube clamping and rotating air supply mechanism comprises an outer tube clamping assembly and a rotating air supply device, the outer tube clamping assembly is arranged on the main support 9, and the rotating air supply device is arranged on the outer tube clamping assembly.
Further, the outer tube clamping assembly comprises a fixed disc 10, a sealing disc 11, a movable disc 12 and an outer tube clamping piece which are sequentially arranged, through holes for inserting the outer glass tube 2 and the arc tube 4 are formed in the central axes of the fixed disc 10, the sealing disc 11 and the movable disc 12, the central axes of the three through holes coincide, the fixed disc 10 is fixed on the main support 9, a collar is arranged outside the central through hole of the fixed disc 10, the movable disc 12 is rotatably arranged on the collar of the fixed disc 10 through a rolling bearing, the outer tube clamping piece is arranged on the outer side of the movable disc 12, the sealing disc 11 is arranged between the fixed disc 10 and the movable disc 12, an annular gas groove 13 is formed in the fixed disc 10, the surface of the grooved end face is smooth, a gas inlet pipe joint 14 communicated with the annular gas groove 13 is arranged on the side wall of the fixed disc 10 and used for connecting with an inert gas source, and insertion holes 15 communicated with the annular gas groove 13 are formed in the sealing disc 11 and the movable disc 12; the rotary air supply device comprises a right-angle connecting pipe 16, a U-shaped hose 17 and an air catching head 18 which are sequentially connected, wherein an air catching support 19 is arranged on the U-shaped hose 17, two through holes are formed in the air catching support 19 and used for inserting the two ends of the U-shaped hose 17, an air catching spring 20 is arranged between the air catching head 18 and the air catching support 19, the right-angle connecting pipe 16 is connected with the jack 15, and the air catching head 18 is matched with the process exhaust pipe 3 on the outer glass pipe 2. The gas catching head 18 is connected with the gas catching support 19 in a floating way through a gas catching spring 20, so that the gas catching head 18 can be sleeved on the process exhaust pipe opening of the outer glass pipe 2 in a floating way, and inert protective gas can be input into the rotating outer glass pipe 2.
Further, one side relative with driving disk 12 on the sealed dish 11 is provided with guide pin 21 and blind hole, it is provided with pinhole 22 to correspond on the driving disk 12, sealed dish 11 inserts pinhole 22 through guide pin 21 and is fixed in on the driving disk 12, sealed dish 11 rotates along with driving disk 12, keeps static each other, be provided with pressure disk spring 23 in the blind hole, pressure disk spring 23's outer end and driving disk 12 butt, the opposite side of sealed dish 11 is smooth surface and fixed disk 10 butt, and seals the annular gas groove 13 of fixed disk 10. The pressure plate spring 23 axially presses the sealing disk 11 against the annular gas groove 13, so that dynamic sealing of the inert protective gas in the annular gas groove 13 is realized under the relative rotation of the sealing disk 11 and the annular gas groove 13.
Furthermore, the sealing disc 11 is made of non-metal hard wear-resistant material, such as bakelite, and has small friction resistance, thereby facilitating rotary sealing.
Further, outer tube clamping piece include V type piece 24 with set up in the depression bar 25 of V type piece 24 open end, depression bar 25 upper end through extension spring 26 with V type piece 24 is connected, depression bar 25 lower extreme passes through fix with screw on movable disk 12, depression bar 25 rotates through the axle sleeve and sets up on the screw, and depression bar 25 rotates around the screw, be provided with the hold-down bearing 27 who presss from both sides tight outer glass tube 2 on the depression bar 25. The V-shaped block 24 is fixed on the movable plate 12 and has a notch which ensures that the axis of the outer glass tube 2 coincides with the axis of the movable plate 12. The tension spring 26 pulls the pressing bearing 27 on the pressing rod 25 to press the outer glass tube 2 against the notch of the V-shaped block 24, so that the outer glass tube 2 can rotate around its own axis following the movable disk 12.
The inner tube positioning and clamping mechanism is used for clamping and fixing the electric arc tube 4 and conveying the electric arc tube back and forth between an upper material level, a lower material level and a sealing position to realize the sleeving of the outer glass tube 2;
further, inner tube location fixture includes inner tube translation cylinder 28, long guide rail 29, centre gripping body bottom plate 30 and set up in on the centre gripping body bottom plate 30, be used for centre gripping electric arc tube 4 both ends long centre gripping body subassembly and short centre gripping body subassembly, inner tube translation cylinder 28 drives centre gripping body bottom plate 30 through the slider slip set up in on the long guide rail 29, realize electric arc tube 4 material level and seal the round trip movement between the position from top to bottom, long centre gripping body subassembly wears to locate in the middle of outer tube centre gripping and the gyration air feed mechanism, when electric arc tube 4 from material level removal from top to bottom to seal the position, electric arc tube 4 wears to locate in outer glass tube 2.
Further, the long clamping body assembly and the short clamping body assembly have the same structure, the clamping body assembly comprises a clamping jaw support 31, a finger cylinder 32 and a movable clamping jaw 33, the finger cylinder 32 is arranged on the clamping jaw support 31, and the movable clamping jaw 33 is pushed to open and close by a push rod 36; the length of the clamping jaw support 31 of the long clamping body assembly is greater than that of the outer glass tube 2. The clamping jaw support 31 comprises a vertical plate 311 of a fixed finger cylinder 32 and a clamping jaw arm 312 of a fixed moving clamping jaw 33, the length of the clamping jaw arm 312 of the long clamping body assembly is larger than that of the outer glass tube 2, the clamping jaw arm 312 of the long clamping body assembly penetrates through a through hole in the center of the fixed plate 10, the sealing plate 11 and the moving plate 12, the outer glass tube 2 moves to a sealing position from an upper material level and a lower material level, the outer glass tube 2 is sleeved outside the clamping jaw arm 312, when the electric arc tube 4 moves to the sealing position from the upper material level and the lower material level, the electric arc tube 4 penetrates through the outer glass tube 2, and the outer glass tube 2 and the electric arc tube 4 are sleeved.
Furthermore, the middle part of the movable clamping jaw 33 is hinged to the front end of a clamping jaw arm 312 of the clamping jaw support 31, a pressing head 34 for clamping the arc tube 4 is arranged at the outer end of the movable clamping jaw 33, the bottom of the pressing head 34 is inverted-V-shaped, a groove is correspondingly formed in the front end of the clamping jaw arm 312, a jacking spring 35 is arranged at the lower part of the inner end of the movable clamping jaw 33, the finger cylinder 32 compresses or releases the inner end of the movable clamping jaw 33 through a jacking rod 36 to control the opening and closing of the outer end of the movable clamping jaw 33, namely, the jacking rod 36 is pushed by the finger cylinder 32 to extend, the jacking spring 35 below the inner end of the movable clamping jaw 33 is downwards compressed by the jacking rod 36, the outer end of the movable clamping jaw 33 is upwards tilted, and the movable clamping jaw 33 is opened; the finger cylinder 32 drives the push rod 36 to retract, the push rod 36 is separated from the inner end of the movable clamping jaw 33, the inner end of the movable clamping jaw 33 tilts upwards under the action of the jacking spring 35, the outer end of the movable clamping jaw 33 is pressed downwards, and the movable clamping jaw 33 is closed.
The heating and transmission mechanism is used for driving the outer glass tube 2 to rotate and uniformly heating the packaging areas at the two ends of the outer glass tube 2;
further, the heating and transmission mechanism comprises a stepping motor 38 arranged between the main support 9 and the fire baffle plate 37, through holes for the long clamping body assembly and the outer glass tube 2 and the arc tube 4 to pass through are correspondingly formed in the main support 9 and the fire baffle plate 37, the stepping motor 38 drives the outer tube to clamp and rotate the air supply mechanism, a plane fire head 39 is respectively arranged on the outer side surfaces of the main support 9 and the fire baffle plate 37, the plane fire head 39 is located below the sealing end of the outer glass tube 2, and the flame of the plane fire head 39 vertically upwards.
Furthermore, in the invention, the outer ring of the movable disc 12 is a gear, the stepping motor 38 is meshed with the gear of the movable disc 12 through a gear assembly, the stepping motor 38 drives the movable disc 12 to rotate and drives the outer glass tube 2 on the movable disc 12 to rotate around the axis of the outer glass tube 2, so that the packaging end of the outer glass tube 2 is uniformly heated.
Furthermore, in the heating and sealing process, the rotary gas supply device supplies inert protective gas to the inside of the outer glass tube 2 to prevent the electrodes at the two ends of the electric arc tube 4 from generating high-temperature oxidation.
Further, cooling water jackets are provided inside the main stand 9 and the fire damper plate 37. This forms an insulated low temperature region between the main bracket 9 and the fire damper 37. So that the outer pipe clamping and rotary air supply mechanism and the transmission part in the area are not influenced by high-temperature flame.
And the double-end die closing and sealing mechanism is used for packaging the two ends of the outer glass tube 2 and the two ends of the electric arc tube 4.
Further, the double-end die-closing and sealing mechanism comprises a die-closing cylinder 40, a link mechanism and two U-shaped sealing die support plates 41 with opposite openings, sealing dies 42 are arranged at the end portions of the sealing die support plates 41, the sealing die support plates 41 are horizontally and symmetrically arranged on two sides of the outer glass tube 2, the sealing dies 42 are symmetrically arranged at two ends of the outer glass tube 2, the die-closing cylinder 40 is arranged on a cylinder support 44, and the die-closing cylinder 40 controls the two sealing die support plates 41 to move oppositely through the link mechanism, so that the corresponding sealing dies 42 are closed.
Further, a sealing mold support 43 is arranged below the sealing mold support plate 41, and the sealing mold support plate 41 is connected with the sealing mold support 43 in a sliding manner through a short guide rail sliding block assembly. The short guide rail sliding block assembly is adopted to ensure that the mold closing force directions on each pair of sealing molds 42 are consistent, reduce the movement friction resistance as much as possible and accelerate the mold closing speed.
Further, the link mechanism comprises a first link 45, a right-angle link 46 and a second link 47 which are connected in sequence, the piston rod end of the die closing cylinder 40 is hinged to one end of the first link 45 through a connecting block, the other end of the first link 45 is hinged to one end of the right-angle link 46, the other end of the right-angle link 46 is hinged to one end of the second link 47, the other end of the second link 47 is hinged to the sealing die support 41, a rotating shaft 48 of the right-angle link 46 is mounted on the cylinder support 44, and at the moment, the linear motion of the die closing cylinder 40 is converted into the folding translational motion of the sealing die through the link mechanism.
Furthermore, the invention also comprises a gas supply system, an inert gas supply system, a cooling water supply system and a control system; the gas supply system is connected with the plane fire head 39 and supplies gas to the plane fire head 39; the inert gas supply system is connected with a gas inlet pipe joint 14 on the fixed plate 10 and provides inert gas for the rotary gas supply device; the cooling water supply system is connected with the main bracket 9 and the cooling water jacket of the waterproof plate 37 to provide cooling water for cooling; the control system includes a controller that controls the electrical devices in the coupling device.
A method of encapsulating an outer glass tube of a double-ended small-power metal halide lamp as claimed in any one of the preceding claims, comprising the steps of:
and 4, when the quartz glass in the sealing areas at the two ends of the outer glass tube 2 reaches a molten state, carrying out die assembly and press sealing on the molten quartz glass at the two ends by a double-end die assembly and sealing mechanism.
The invention has the following use processes:
1. feeding an outer glass tube:
first, the outer glass tube 2 axis is orthogonal to the process exhaust tube 3 axis above it. The outer glass tube conveying manipulator conveys the outer glass tube 2 to the upper material position and the lower material position, when the outer glass tube 2 and the process exhaust tube 3 on the outer glass tube are both horizontally placed, and the direction of the port of the process exhaust tube 3 is opposite to the direction of the port of the air catching head 18.
And then, the clamping jaw air cylinders 7 are closed, the V-shaped groove openings of the two outer tube clamping jaws 8 hold the outer glass tube 2, and after the outer glass tube conveying manipulator loosens and withdraws, the first handover of the outer glass tube 2 is completed.
Then, the outer tube translation cylinder 6 starts to extend, the outer glass tube 2 which is connected with the clamping jaw cylinder 7 and grabbed is translated to the sealing position from the upper material position and the lower material position, the outer glass tube 2 is inserted into the movable disc 12 and the fixed disc 10 of the outer tube clamping and rotating air supply mechanism, in the translation process, the port of the outer glass tube 2 is in contact with the outer ring of the pressing bearing 27 on the pressing rod 25, the pressing rod 25 is pushed away by the rigidity of the quartz glass of the outer glass tube 2, the outer glass tube 2 continues to translate until the sealing position is reached, and the outer tube translation cylinder 6 stops extending.
At this time, the process exhaust pipe 3 port of the outer glass tube 2 is just coaxial with the port of the gas trap 18, but since the outer glass tube 2 and the axis of rotation of the movable disk 12 are deviated by about 3mm at the first handover, the two ports are only opposite and do not contact. (although the axis of the outer glass tube 2 is at the same level as the rotation axis of the movable disk 12, but does not coincide with the axis of the outer glass tube 2, the axis of the outer glass tube 2 is deviated about 3mm from the rotation axis of the movable disk 12 in parallel along the direction of the port of the gas trap 18, and the deviation value is to provide a stroke margin for butt joint of the process exhaust nozzle of the outer glass tube 2 and the gas trap 18 when the outer glass tube 2 is positioned)
Then, the clamping jaw cylinder 7 is opened, the outer tube clamping jaw 8 loosens the outer glass tube 2, under the action of the tension spring 26, the pressing bearing 27 on the pressing rod 25 is pulled to draw the outer glass tube 2 towards the notch V-shaped surface of the V-shaped block 24, and finally the outer glass tube is pressed on the notch V-shaped surface of the V-shaped block 24, at this time, the outer glass tube 2 is overlapped with the rotation axis of the movable disc 12, meanwhile, the process exhaust tube port of the outer glass tube 2 is also inserted into the port of the air trapping head 18, and under the action of the air trapping spring 20, the air trapping head 18 is in sealed connection with the process exhaust tube 3 of the outer glass tube 2.
The outer tube translation cylinder 6 starts to retract, the clamping jaw cylinder 7 is brought back to the material loading and unloading position and then stops, and at the moment, the second handover of the outer glass tube 2 is completed.
2. Electric arc tube feeding
The arc tube conveying manipulator holds the tube openings at two ends of the arc tube 4 and conveys the arc tube to a material loading and unloading position, the electrodes at two ends of the arc tube 4 are right between the pressing head 34 and the clamping jaw arm 312 on the movable clamping jaw 33 at the moment, the two finger cylinders 32 in the arc tube positioning and clamping mechanism do retraction action, the ejector rod 36 retracts, the V-shaped groove opening of the pressing head 34 on the movable clamping jaw 33 moves downwards under the action of the jacking spring 35, and the V-shaped groove opening and the front end of the clamping jaw arm 312 which plays a role of fixing the clamping jaw on the clamping jaw support 31 clamp the electrodes together. At this time, the axis of the arc tube 4 coincides with the rotation axis of the movable disk 12, and the arc tube transfer is completed after the arc tube conveying manipulator loosens and withdraws.
The inner tube translation cylinder 28 stretches to push the clamping body bottom plate 30, the long clamping body assembly and the short clamping body assembly on the clamping body bottom plate to translate the electric arc tube 4 from the upper material level to the lower material level to the sealing position, the inner tube translation cylinder 28 stops acting until the sealing position is reached, the outer glass tube 2 and the electric arc tube 4 are both in the sealing position, the electric arc tube 4 is located in the outer glass tube 2, and the feeding action is completed.
3. Sealing closure
The stepping motor 38 is started, the movable disc 12 is driven to rotate through the meshing of the intermediate gear, the outer glass tube 2 also rotates along with the stepping motor, and meanwhile, an inert gas supply system of the equipment also fills inert protective gas into the outer glass tube 2 through a rotary gas supply device; gas is introduced into the heating plane fire heads 39 at the two ends and is ignited to heat the areas to be sealed at the two ends of the outer glass tube 2; when the quartz glass in the region to be sealed at the two ends of the outer glass tube 2 reaches a molten state suitable for sealing, the stepping motor 38 stops rotating, the plane fire head 39 is cut off gas and extinguishes flame, the die closing cylinder 40 rapidly acts to rapidly close the left and right pairs of sealing dies 42, the molten quartz glass and the electric arc tube electrodes inside are pressed and sealed in a closed die cavity formed by the pair of sealing dies, and after the molten quartz glass in the sealing dies is cooled and shaped, the die closing cylinder 40 drives the sealing dies to open the closed die cavity, so that the sealing action is completed.
4. Discharging
The inner tube translation cylinder 28 retracts to pull the clamping body bottom plate 30 to move upwards, the long clamping body assembly and the short clamping body assembly on the clamping body bottom plate also clamp the outer glass tube 2 and the electric arc tube 4 which are packaged, to move upwards, until the upper material level and the lower material level are reached, and the electric arc tube translation cylinder 28 stops moving.
In the process, the gas catching head 18 is connected with the gas catching support 19 through the gas catching spring 20, so that the process exhaust pipe 3 of the outer glass tube 2 can be easily separated from the gas catching head 18 in the blanking process.
And finally, the outer glass tube conveying manipulator enters the material loading and unloading position again, and the clamping jaw of the outer glass tube tightly grips the outer glass tube.
The finger cylinder 32 on the clamping body component of the arc tube positioning and clamping mechanism does stretching action to push the end of the mandril 36 to press the inner end of the movable clamping jaw, and the V-shaped groove opening of the outer end pressing head 34 of the movable clamping jaw moves upwards to loosen the electrodes at the two ends of the arc tube 4. The outer glass tube conveying manipulator sends out the sealed outer glass tube 2 and the electric arc tube 4, and the blanking action is finished.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The outer glass tube packaging equipment of the double-end small-power metal halide lamp is characterized by comprising an outer tube positioning and conveying mechanism, an outer tube clamping and rotating air supply mechanism, an inner tube positioning and clamping mechanism, a heating and transmission mechanism and a double-end die-closing and sealing mechanism, wherein the outer tube positioning and conveying mechanism, the outer tube clamping and rotating air supply mechanism, the inner tube positioning and clamping mechanism, the heating and transmission mechanism and the double-end die-closing and sealing mechanism are arranged on a working table top (1);
the outer tube positioning and conveying mechanism is used for conveying the outer glass tube (2) from the upper material level to the lower material level to the outer tube clamping and rotating air supply mechanism positioned at the sealing position;
the outer tube clamping and rotating gas supply mechanism is used for clamping and fixing the outer glass tube (2) and supplying inert protective gas into the process exhaust tube (3) of the outer glass tube (2);
the inner tube positioning and clamping mechanism is used for clamping and fixing the electric arc tube (4) and conveying the electric arc tube back and forth between an upper material level, a lower material level and a sealing position to realize the sleeving of the outer glass tube (2) and the electric arc tube (4);
the heating and transmission mechanism is used for driving the outer glass tube (2) to rotate and uniformly heating the packaging areas at the two ends of the outer glass tube (2);
and the double-end die-closing and sealing mechanism is used for encapsulating the two ends of the outer glass tube (2) and the two ends of the electric arc tube (4).
2. The outer glass tube packaging device of the double-ended small-power metal halide lamp according to claim 1, wherein the outer tube positioning and conveying mechanism comprises an outer tube translation cylinder (6) arranged on the column (5), a clamping jaw cylinder (7) is arranged at a piston rod end of the outer tube translation cylinder (6), and an outer tube clamping jaw (8) is arranged on the clamping jaw cylinder (7).
3. The outer tube packaging apparatus of a double-ended small power metal halide lamp as claimed in claim 1, wherein the outer tube clamping and rotary gas supply mechanism comprises an outer tube clamping assembly and a rotary gas supply device, the outer tube clamping assembly is disposed on the main support (9), and the rotary gas supply device is disposed on the outer tube clamping assembly; the outer tube clamping assembly comprises a fixed disc (10), a movable disc (12) and an outer tube clamping piece which are sequentially arranged, the fixed disc (10) is fixed on the main support (9), the movable disc (12) is rotatably connected with the fixed disc (10), and the outer tube clamping piece is arranged on the movable disc (12).
4. The outer glass tube packaging device of the double-ended small-power metal halide lamp as claimed in claim 3, wherein the outer tube clamping member comprises a V-shaped block (24) and a pressing rod (25) arranged at the opening end of the V-shaped block (24), the upper end of the pressing rod (25) is connected with the V-shaped block (24) through a tension spring (26), the lower end of the pressing rod (25) is fixed on the movable plate (12) through a screw, the pressing rod (25) is rotatably arranged on the screw through a shaft sleeve, and a pressing bearing (27) for clamping the outer glass tube (2) is arranged on the pressing rod (25).
5. The outer glass tube packaging device of the double-ended small-power metal halide lamp according to claim 3, wherein an annular gas groove (13) is formed in the fixed plate (10), a gas inlet pipe joint (14) communicated with the annular gas groove (13) is arranged on the side wall of the fixed plate (10), a sealing plate (11) for sealing the annular gas groove (13) is arranged between the fixed plate (10) and the movable plate (12), and inserting holes (15) communicated with the annular gas groove (13) are correspondingly formed in the sealing plate (11) and the movable plate (12); the rotary air supply device comprises a right-angle connecting pipe (16), a U-shaped hose (17) and an air catching head (18) which are sequentially connected, wherein an air catching support (19) is arranged on the U-shaped hose (17), an air catching spring (20) is arranged between the air catching head (18) and the air catching support (19), the right-angle connecting pipe (16) is connected with the jack (15), and the air catching head (18) is matched with the process exhaust pipe (3) on the outer glass pipe (2).
6. The outer glass tube packaging device of the double-ended small-power metal halide lamp according to claim 1, wherein the inner tube positioning and clamping mechanism comprises an inner tube translation cylinder (28), a long guide rail (29), a clamping body bottom plate (30), and a long clamping body assembly and a short clamping body assembly which are arranged on the clamping body bottom plate (30) and used for clamping two ends of the arc tube (4), the inner tube translation cylinder (28) drives the clamping body bottom plate (30) to be arranged on the long guide rail (29) in a sliding manner, the long clamping body assembly is arranged between the outer tube clamping and rotary gas supply mechanism in a penetrating manner, the long clamping body assembly and the short clamping body assembly are identical in structure, the clamping body assembly comprises a clamping jaw support (31), a finger cylinder (32) and a movable clamping jaw (33) which are arranged on the clamping jaw support (31), and the finger cylinder (32) pushes the movable clamping jaw (33) to be opened and closed through an ejector rod (36); the length of the clamping jaw support (31) of the long clamping body assembly is larger than that of the outer glass tube (2).
7. The outer glass tube packaging device of the double-ended small-power metal halide lamp according to claim 6, wherein the middle part of the movable clamping jaw (33) is hinged to the clamping jaw support (31), a pressing head (34) for clamping the arc tube (4) is arranged at the outer end of the movable clamping jaw (33), a top pressing spring (35) is arranged at the lower part of the inner end of the movable clamping jaw (33), and the finger cylinder (32) presses or releases the inner end of the movable clamping jaw (33) through a top rod (36) to control the opening and closing of the outer end of the movable clamping jaw (33).
8. The outer glass tube packaging device of the double-ended small power metal halide lamp as claimed in claim 1, wherein the heating and driving mechanism comprises a stepping motor (38) arranged between a main support (9) and a fire baffle (37), the stepping motor (38) drives the outer tube clamping and rotating gas supply mechanism to rotate, the outer side surfaces of the main support (9) and the fire baffle (37) are respectively provided with a flat fire head (39), and the flat fire head (39) is positioned below the sealed end of the outer glass tube (2).
9. The outer glass tube packaging device of the double-ended small-power metal halide lamp as claimed in claim 1, wherein the double-ended mold closing and sealing mechanism comprises a mold closing cylinder (40), a link mechanism and two U-shaped sealing mold support plates (41) with opposite openings, sealing molds (42) are arranged at the ends of the sealing mold support plates (41), the sealing molds (42) are symmetrically arranged at two ends of the outer glass tube (2), and the mold closing cylinder (40) controls the two sealing mold support plates (41) to move towards each other through the link mechanism to close the corresponding sealing molds (42).
10. A method of encapsulating an outer tube of a double-ended small power metal halide lamp as claimed in any one of claims 1 to 9, comprising the steps of:
step 1, sleeving an outer glass tube (2) outside an electric arc tube (4), and keeping the outer glass tube and the electric arc tube coaxially and horizontally placed;
step 2, adopting a plane fire head (39) with an upward fire hole to heat a sealing area of the outer glass tube (2) below a sealing area at two ends of the outer glass tube (2), simultaneously driving the outer glass tube (2) to rotate around the axis of the outer glass tube by a stepping motor (38), and providing inert protective gas for the inner part of the outer glass tube (2) by a rotary gas supply device in the heating and sealing process;
and 3, when the quartz glass in the sealing areas at the two ends of the outer glass tube (2) reaches a molten state, carrying out die assembly and press sealing on the molten quartz glass at the two ends by a double-end die assembly and sealing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623914.8A CN115172119B (en) | 2022-06-02 | 2022-06-02 | Outer glass tube packaging equipment of double-end low-power metal halide lamp and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623914.8A CN115172119B (en) | 2022-06-02 | 2022-06-02 | Outer glass tube packaging equipment of double-end low-power metal halide lamp and processing method |
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| Publication Number | Publication Date |
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| CN115172119A true CN115172119A (en) | 2022-10-11 |
| CN115172119B CN115172119B (en) | 2024-04-05 |
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| CN202210623914.8A Active CN115172119B (en) | 2022-06-02 | 2022-06-02 | Outer glass tube packaging equipment of double-end low-power metal halide lamp and processing method |
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Citations (5)
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|---|---|---|---|---|
| JPH09106763A (en) * | 1995-10-11 | 1997-04-22 | Toto Ltd | Sealing device and method for discharge lamp |
| CN101106061A (en) * | 2006-07-14 | 2008-01-16 | Mo泰克有限公司 | Arc tube sealing cutting device for high intensity gas discharge lamp production |
| CN101494152A (en) * | 2003-02-28 | 2009-07-29 | 松下电器产业株式会社 | Fluorescent lamp |
| KR101210755B1 (en) * | 2011-10-25 | 2012-12-11 | 임세도 | Sealing apparatus of arc tube for ceramic discharge metal halide lamp |
| CN209591967U (en) * | 2019-04-22 | 2019-11-05 | 台州市乾顺科技有限公司 | A kind of glass tube sealing machine |
-
2022
- 2022-06-02 CN CN202210623914.8A patent/CN115172119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09106763A (en) * | 1995-10-11 | 1997-04-22 | Toto Ltd | Sealing device and method for discharge lamp |
| CN101494152A (en) * | 2003-02-28 | 2009-07-29 | 松下电器产业株式会社 | Fluorescent lamp |
| CN101106061A (en) * | 2006-07-14 | 2008-01-16 | Mo泰克有限公司 | Arc tube sealing cutting device for high intensity gas discharge lamp production |
| KR101210755B1 (en) * | 2011-10-25 | 2012-12-11 | 임세도 | Sealing apparatus of arc tube for ceramic discharge metal halide lamp |
| CN209591967U (en) * | 2019-04-22 | 2019-11-05 | 台州市乾顺科技有限公司 | A kind of glass tube sealing machine |
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| CN115172119B (en) | 2024-04-05 |
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