CN110372180B - X-ray tube glass bulb opening auxiliary device and corresponding glass bulb opening firing method - Google Patents
X-ray tube glass bulb opening auxiliary device and corresponding glass bulb opening firing method Download PDFInfo
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- CN110372180B CN110372180B CN201910740795.2A CN201910740795A CN110372180B CN 110372180 B CN110372180 B CN 110372180B CN 201910740795 A CN201910740795 A CN 201910740795A CN 110372180 B CN110372180 B CN 110372180B
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- glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B21/00—Severing glass sheets, tubes or rods while still plastic
- C03B21/04—Severing glass sheets, tubes or rods while still plastic by punching out
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/057—Re-forming tubes or rods by fusing, e.g. for flame sealing
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- Organic Chemistry (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The invention relates to an X-ray tube glass bulb hole opening auxiliary device, wherein an X-ray tube comprises an anode, a cathode and a glass bulb, the glass bulb comprises a glass tube arranged on one side and a kovar tube integrally arranged with a side glass window, the glass tube and the kovar tube of the X-ray tube are placed on a glass lathe and fired to form the X-ray tube glass bulb hole opening auxiliary device, the X-ray tube glass bulb hole opening auxiliary device comprises a fixed bottom plate fixedly connected with the bottom of the glass lathe and a flame guide plate detachably connected with the fixed bottom plate, and a flame guide hole is formed in the flame guide plate.
Description
Technical Field
The invention relates to the field of new energy, in particular to an X-ray tube glass bulb opening auxiliary device and a corresponding glass bulb opening firing method.
Background
With the continuous progress of science and technology, the application of X-rays is more and more extensive, mainly including medical treatment, security inspection and industrial flaw detection, and the quality requirement of an X-ray tube is higher and higher along with the X-ray tube. The X-ray tube mainly comprises an anode, a cathode and a glass shell, wherein the glass shell comprises the glass tube and a Kovar tube, a side beryllium window structure is adopted to reduce the absorption of the shell (generally glass) to X-rays according to the requirements of different purposes, the focus of the side beryllium window tube can be made very tiny, but the manufacturing precision of the side beryllium window glass shell is correspondingly improved, the focus is small and the requirement on the center of the focus is high, a good X-ray tube is provided in the national standard, the focus center of the X-ray tube cannot deviate from the center by more than 0.02mm in the shooting imaging of a small hole of 100/200, and therefore the burning quality of the side glass shell is very high. The difficult point is to ensure that the kovar sleeve is welded on the glass tube and the coaxial perpendicularity and the size requirement of the kovar sleeve and the glass tube are ensured, and the most difficult point is to accurately align the positions of holes on the glass tube and the kovar tube to be welded and ensure that the positions and the axial lines of the holes are coaxial with the axial line of the glass tube. The firing method of the X-ray glass shell of the beryllium side window comprises the following steps: clamping a glass tube on a glass lathe, installing a Kovar tube stuck with glass on the other glass lathe, burning the two ends of the cut glass shell with fixed length, installing the glass tube into a tool, burning the glass shell at the position where the glass shell is opened by a single fire held by an opening lathe to soften the position where the glass shell is opened, correcting the orifice by a graphite cone, and rotating a dragging plate to move the orifice of the glass shell to the Kovar tube orifice for burning. However, the conventional firing method has the following problems: because the handheld fire head mode can cause the hole peripheral position to soften inhomogeneously to being held by trompil position on firing the glass bulb more difficult to by trompil with the offset of glass pipe axis, with the kovar pipe disalignment, plus the coaxial error of upside beryllium window kovar pipe and glass pipe axis, be difficult to guarantee the qualification rate of product.
Disclosure of Invention
The invention provides an X-ray tube glass bulb hole opening auxiliary device and a corresponding glass bulb hole opening firing method in order to solve the technical defects. The X-ray tube comprises an anode, a cathode and a glass bulb, the glass bulb comprises a glass tube arranged on one side and a Kovar tube integrally arranged with a side glass window, the glass tube of the X-ray tube and the Kovar tube are placed on a glass lathe and fired to form, the X-ray tube glass bulb opening auxiliary device comprises a fixed bottom plate fixedly connected with the bottom of the glass lathe, a flame guide plate detachably connected with the fixed bottom plate, and a flame guide hole is formed in the flame guide plate.
After the structure is adopted, the auxiliary device can ensure that the handheld flame ejector can directly aim at the opening of the glass tube through the flame guide hole on the premise of accurate positioning, solves the problem of position precision of the hole on the glass tube in the firing process of the side beryllium window X-ray glass shell, and ensures the precision of the side beryllium window glass shell. The main reason for adopting the detachable mode is that various processing technologies after the hole is opened cannot be influenced.
As a further improvement of the invention, the flame guide plate comprises a first flame guide plate and a second flame guide plate, the first flame guide plate is detachably connected with the fixed bottom plate, the flame guide hole is arranged on the second flame guide plate, the first flame guide plate is provided with a vertical adjusting groove, the second flame guide plate is arranged on the vertical adjusting groove through an adjusting screw, and the second flame guide plate is made of graphite.
After having adopted above-mentioned structure, the setting of vertical adjustment groove can make the second flame deflector carry out vertical displacement adjustment in the vertical adjustment groove of first flame deflector to adjust the distance between flame guiding hole and the glass tube opening is vertical, thereby make glass tube opening center coaxial with the flame guiding hole, and the second flame deflector adopts the graphite material, not only the melting point is high, and the state is stable moreover, long service life.
As a further improvement of the invention, a first positioning pin hole is formed in the first flame guide plate, a second positioning pin hole is formed in the fixed bottom plate, and the first flame guide plate and the fixed bottom plate are detachably connected by virtue of positioning pins which respectively penetrate through the first positioning pin hole and the second positioning pin hole.
After having adopted above-mentioned structure, the setting of locating pin can simply realize the dismantlement between PMKD and the first flame deflector and be connected.
As a further improvement of the invention, the distance between the center of the flame guide hole and the bottom surface of the fixed bottom plate is 325 mm.
After the structure is adopted, according to the specification of the glass lathe and the position of the glass tube clamped in the glass lathe, the distance between the flame guide hole and the bottom surface of the fixed bottom plate is 325 mm, and the flame guide hole and the center of the glass tube can be coaxial.
As a further improvement of the invention, the method for firing the open pore of the glass bulb of the X-ray tube comprises the following steps: clamping the kovar pipe tool clamp on a left chuck of a glass lathe; step two: clamping the glass tube tool clamp on a right chuck of the glass lathe, and connecting an air blowing port, and the third step: connect first flame deflector on PMKD through the locating pin to with the second flame deflector through adjusting screw install on first flame deflector, make flame guiding hole center be 325 millimeters to the distance between the PMKD bottom surface, step four: putting the Kovar tube into a Kovar tube tool clamp, and correcting the Kovar tube to be coaxial with the axis of a glass lathe, and the fifth step: putting the glass tube into a glass tube tool clamp, and sixthly: adjusting coal oxygen fire, coal gas pressure of 0.5kg and oxygen pressure of 0.15kg, controlling gas flow, adjusting flame to be in a blue-white color, starting a lathe to adjust the rotating speed to be 600 r/mm, moving a glass lathe to enable an X-ray tube glass shell opening auxiliary device to be close to the position of an opened glass tube by about 6-8mm, aligning a flame head to a flame guide hole by a handheld flame ejector to enable the glass tube to be fired, slowly blowing gas at the moment of softening the glass, and blowing a central hole in the glass tube, wherein the seventh step is that: taking off X-ray tube glass bulb trompil auxiliary device and continuing to being fired and revise the flaring and turn over the mouth to the hole with graphite awl tatting board by trompil department, remove kovar pipe and glass tube, make distance 1-3mm between kovar pipe and the glass tube, and fire kovar pipe and glass tube trompil turnover mouth simultaneously, move glass lathe right side frame to firing softening back and dock and fire, guarantee with the junction thickness of kovar pipe, the firing length that the glass tube is kovar, carefully observe by the glass colour of department of burning and control firing time, make kovar pipe junction be mouse grey, step eight: and taking out the fired glass shell, and putting the glass shell into a muffle furnace for annealing at 520 ℃.
After the process method is adopted, the opening auxiliary device is added, the process method is different from the traditional firing method, the problem of replacing the opening auxiliary device and the problem of coaxiality are mainly reflected, the kovar tube is arranged in the step four, the glass tube is arranged in the step five, and the position correction is carried out through a glass lathe, so that the effect that the center of the kovar tube and the center of the glass tube are coaxial with the axis of the glass lathe is achieved. The auxiliary device for opening the hole is firstly fixed on a fixed bottom plate of a glass lathe, the distance between the center of the flame guide hole and the bottom surface of the bottom plate is adjusted to be 325 mm, the vertical distance can ensure that the flame guide hole is coaxial with the center of the glass tube in the vertical direction, on the other hand, the fixed bottom plate can keep coaxial with the center of the glass tube in the horizontal direction due to the fixed arrangement, the auxiliary device for opening the hole is moved to the position 6-8mm away from the opening of the glass tube, a handheld flame ejector is utilized to align with the flame guide hole, the flame can be concentrated into the hole from the original outward jet shape, so that the even softening of the glass for opening the hole can be ensured, the coaxiality of the opening hole is high, after the opening of the glass tube is finished, the glass tube and the kovar tube are close to each other and are butt-fired, so that the, thus, the smooth operation of the whole process can be ensured.
Drawings
FIG. 1 is a front view of a perforation aid;
FIG. 2 is a side view of the aperturing aid;
FIG. 3 is a schematic view showing the assembly of the opening assisting device in the firing process;
Detailed Description
As shown in fig. 1-3, an X-ray tube envelope opening assisting apparatus and a corresponding envelope opening firing method are provided. The X-ray tube comprises an anode, a cathode and a glass bulb, the glass bulb comprises a glass tube arranged on one side and a kovar tube integrally arranged with a side glass window, the glass tube of the X-ray tube and the kovar tube are placed on a glass lathe and fired to form, the X-ray tube glass bulb opening auxiliary device comprises a fixed bottom plate 1 fixedly connected with the bottom of the glass lathe and a flame guide plate 2 detachably connected with the fixed bottom plate, and a flame guide hole 3 is formed in the flame guide plate. The auxiliary device can ensure that the handheld flame injector can directly aim at the opening of the glass tube through the flame guide hole on the premise of accurate positioning, solves the problem of position precision of the opening on the glass tube in the firing process of the side beryllium window X-ray glass shell, and ensures the precision of the side beryllium window glass shell. The main reason for adopting the detachable mode is that various processing technologies after the hole is opened cannot be influenced.
Be provided with first locating pin hole 212 on the first flame deflector 21, be provided with second locating pin hole 11 on the PMKD 1, pass first locating pin hole 212 and second locating pin hole 11 realization through locating pin 5 respectively and can dismantle the connection between first flame deflector 21 and the PMKD 1. The detachable connection between the fixed bottom plate and the first flame guide plate can be simply realized through the arrangement of the positioning pin. The distance between the center of the flame guide hole and the bottom surface of the fixed bottom plate is 325 mm. According to the specification of the glass lathe 6 and the position where the glass tube is clamped in the glass lathe, it can be calculated that the flame guide hole and the center of the glass tube can be coaxial as long as the distance between the flame guide hole and the bottom surface of the fixed bottom plate is 325 mm. The open pore firing method of the X-ray tube glass bulb comprises the following steps: clamping the kovar pipe tool clamp on a left chuck of a glass lathe; step two: clamping the glass tube tool clamp on a right chuck of the glass lathe, and connecting an air blowing port, and the third step: connect first flame deflector on PMKD through the locating pin to with the second flame deflector through adjusting screw install on first flame deflector, make flame guiding hole center be 325 millimeters to the distance between the PMKD bottom surface, step four: putting the Kovar tube into a Kovar tube tool clamp, and correcting the Kovar tube to be coaxial with the axis of a glass lathe, and the fifth step: putting the glass tube into a glass tube tool clamp, and sixthly: adjusting coal oxygen fire, coal gas pressure of 0.5kg and oxygen pressure of 0.15kg, controlling gas flow, adjusting flame to be in a blue-white color, starting a lathe to adjust the rotating speed to be 600 r/mm, moving a glass lathe to enable an X-ray tube glass shell opening auxiliary device to be close to the position of an opened glass tube by about 6-8mm, aligning a flame head to a flame guide hole by a handheld flame ejector to enable the glass tube to be fired, slowly blowing gas at the moment of softening the glass, and blowing a central hole in the glass tube, wherein the seventh step is that: taking off X-ray tube glass bulb trompil auxiliary device and continuing to being fired and revise the flaring and turn over the mouth to the hole with graphite awl tatting board by trompil department, remove kovar pipe and glass tube, make distance 1-3mm between kovar pipe and the glass tube, and fire kovar pipe and glass tube trompil turnover mouth simultaneously, move glass lathe right side frame to firing softening back and dock and fire, guarantee with the junction thickness of kovar pipe, the firing length that the glass tube is kovar, carefully observe by the glass colour of department of burning and control firing time, make kovar pipe junction be mouse grey, step eight: and taking out the fired glass shell, and putting the glass shell into a muffle furnace for annealing at 520 ℃. After the opening auxiliary device is added, the method is different from the conventional firing method, mainly solves the problem of replacing the opening auxiliary device and the problem of coaxiality, and achieves the effect that the center of the kovar tube and the center of the glass tube are coaxial with the axis of a glass lathe by loading the kovar tube in the fourth step and loading the glass tube in the fifth step and correcting the position of the glass tube by the glass lathe. The auxiliary device for opening the hole is firstly fixed on a fixed bottom plate of a glass lathe, the distance between the center of the flame guide hole and the bottom surface of the bottom plate is adjusted to be 325 mm, the vertical distance can ensure that the flame guide hole is coaxial with the center of the glass tube in the vertical direction, on the other hand, the fixed bottom plate can keep coaxial with the center of the glass tube in the horizontal direction due to the fixed arrangement, the auxiliary device for opening the hole is moved to the position 6-8mm away from the opening of the glass tube, a handheld flame ejector is utilized to align with the flame guide hole, the flame can be concentrated into the hole from the original outward jet shape, so that the even softening of the glass for opening the hole can be ensured, the coaxiality of the opening hole is high, after the opening of the glass tube is finished, the glass tube and the kovar tube are close to each other and are butt-fired, so that the, thus, the smooth operation of the whole process can be ensured.
Claims (1)
- The utility model provides an X-ray tube glass bulb trompil auxiliary device, X-ray tube include the positive pole, negative pole and glass bulb, the glass bulb is including setting up in the glass tube of one side and with the kovar pipe of the integrative setting of side glass window, and the glass tube and kovar pipe of X-ray tube are placed and are fired on the glass lathe and form its characterized in that: the X-ray tube glass bulb hole opening auxiliary device comprises a fixed bottom plate fixedly connected with the bottom of a glass lathe and a flame guide plate detachably connected with the fixed bottom plate, wherein a flame guide hole is formed in the flame guide plate;the flame guide plate comprises a first flame guide plate and a second flame guide plate, the first flame guide plate is detachably connected with the fixed bottom plate, the flame guide hole is formed in the second flame guide plate, a vertical adjusting groove is formed in the first flame guide plate, the second flame guide plate is installed on the vertical adjusting groove through an adjusting screw, and the second flame guide plate is made of graphite;the first flame guide plate is provided with a first positioning pin hole, the fixed bottom plate is provided with a second positioning pin hole, and the first flame guide plate and the fixed bottom plate are detachably connected by virtue of positioning pins which respectively penetrate through the first positioning pin hole and the second positioning pin hole;the distance between the center of the flame guide hole and the bottom surface of the fixed bottom plate is 325 mm;the glass bulb opening firing method of the X-ray tube glass bulb opening auxiliary device comprises the following steps: clamping the kovar pipe tool clamp on a left chuck of a glass lathe; step two: clamping the glass tube tool clamp on a right chuck of the glass lathe, and connecting an air blowing port, and the third step: connect first flame deflector on PMKD through the locating pin to with the second flame deflector through adjusting screw install on first flame deflector, make flame guiding hole center be 325 millimeters to the distance between the PMKD bottom surface, step four: putting the Kovar tube into a Kovar tube tool clamp, and correcting the Kovar tube to be coaxial with the axis of a glass lathe, and the fifth step: putting the glass tube into a glass tube tool clamp, and sixthly: adjusting coal oxygen fire, coal gas pressure of 0.5kg and oxygen pressure of 0.15kg, controlling gas flow, adjusting flame to be in a blue-white color, starting a lathe to adjust the rotating speed to be 600 r/mm, moving a glass lathe to enable an X-ray tube glass shell opening auxiliary device to be close to the position of an opened glass tube by about 6-8mm, aligning a flame head to a flame guide hole by a handheld flame ejector to enable the glass tube to be fired, slowly blowing gas at the moment of softening the glass, and blowing a central hole in the glass tube, wherein the seventh step is that: taking off X-ray tube glass bulb trompil auxiliary device and continuing to being fired and revise the flaring and turn over the mouth to the hole with graphite awl tatting board by trompil department, remove kovar pipe and glass tube, make distance 1-3mm between kovar pipe and the glass tube, and fire kovar pipe and glass tube trompil turnover mouth simultaneously, move glass lathe right side frame to firing softening back and dock and fire, guarantee with the junction thickness of kovar pipe, the firing length that the glass tube is kovar, carefully observe by the glass colour of department of burning and control firing time, make kovar pipe junction be mouse grey, step eight: and taking out the fired glass shell, and putting the glass shell into a muffle furnace for annealing at 520 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740795.2A CN110372180B (en) | 2019-08-12 | 2019-08-12 | X-ray tube glass bulb opening auxiliary device and corresponding glass bulb opening firing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740795.2A CN110372180B (en) | 2019-08-12 | 2019-08-12 | X-ray tube glass bulb opening auxiliary device and corresponding glass bulb opening firing method |
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| CN110372180A CN110372180A (en) | 2019-10-25 |
| CN110372180B true CN110372180B (en) | 2021-09-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003286045A (en) * | 2002-03-27 | 2003-10-07 | Toshiba Ceramics Co Ltd | Apparatus for automatically perforating silica glass tube |
| CN202473825U (en) * | 2012-01-16 | 2012-10-03 | 杭州凯龙医疗器械有限公司 | X-ray tube anode horn manufacture device |
| CN207256054U (en) * | 2017-07-13 | 2018-04-20 | 北京滨松光子技术股份有限公司 | A kind of side window type glass can cut down clamping device |
| CN207918675U (en) * | 2018-01-19 | 2018-09-28 | 孝感市瑞莱特汽车照明有限公司 | A kind of novel glass casing forming pipe connecting device again |
| CN209721928U (en) * | 2018-12-16 | 2019-12-03 | 北京滨松光子技术股份有限公司 | A kind of glass horn mouth molding machine |
-
2019
- 2019-08-12 CN CN201910740795.2A patent/CN110372180B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003286045A (en) * | 2002-03-27 | 2003-10-07 | Toshiba Ceramics Co Ltd | Apparatus for automatically perforating silica glass tube |
| CN202473825U (en) * | 2012-01-16 | 2012-10-03 | 杭州凯龙医疗器械有限公司 | X-ray tube anode horn manufacture device |
| CN207256054U (en) * | 2017-07-13 | 2018-04-20 | 北京滨松光子技术股份有限公司 | A kind of side window type glass can cut down clamping device |
| CN207918675U (en) * | 2018-01-19 | 2018-09-28 | 孝感市瑞莱特汽车照明有限公司 | A kind of novel glass casing forming pipe connecting device again |
| CN209721928U (en) * | 2018-12-16 | 2019-12-03 | 北京滨松光子技术股份有限公司 | A kind of glass horn mouth molding machine |
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| CN110372180A (en) | 2019-10-25 |
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