CN203664928U - Precision positioning device for laser welding of radioactive airtight brachytherapy source - Google Patents

Precision positioning device for laser welding of radioactive airtight brachytherapy source Download PDF

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Publication number
CN203664928U
CN203664928U CN201320892308.2U CN201320892308U CN203664928U CN 203664928 U CN203664928 U CN 203664928U CN 201320892308 U CN201320892308 U CN 201320892308U CN 203664928 U CN203664928 U CN 203664928U
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Prior art keywords
axis displacement
precision positioning
positioning device
fixedly connected
base plate
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Expired - Fee Related
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CN201320892308.2U
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Chinese (zh)
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徐鹏程
吴松年
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XINKE MEDICAL CO Ltd SHANGHAI
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XINKE MEDICAL CO Ltd SHANGHAI
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Abstract

The utility model relates to a precision positioning device for laser welding of a radioactive airtight brachytherapy source. The precision positioning device comprises a bottom plate platform, a laser emergence head fixation adjusting component, a horizontal displacement adjusting component and a titanium tube fixing part, wherein the laser emergence head fixation adjusting component and the horizontal displacement adjusting component are fixed to the bottom plate platform, the titanium tube fixing part is fixedly connected with the horizontal displacement adjusting component, and a Z-axis displacement displacement rough adjustment sliding block and a Z-axis displacement fine adjustment regulator are arranged on the laser emergence head fixation adjusting component; the horizontal displacement adjusting component is provided with an X-axis displacement regulator and a Y-axis displacement regulator. Through the precise matching of all the components, the precision positioning device can be applied to mass production of airtight brachytherapy sources, production efficiency can be improved, pollution to production and the environment by volatilizable and radioactive materials can be reduced, and radiation on operators by rays can be reduced at the same time.

Description

Radioactive sealed seed source laser weld precision positioning device
Technical field
The utility model relates to a kind of apparatus for welding and positioning, is specifically related to a kind of radioactive sealed seed source laser weld precision positioning device.
Background technology
Radiopharmaceutical is a kind of base therapy method to patient as hospital, is widely used in clinical practice both domestic and external.As the radioactive sealed seed source implanted treatment malignant tumour such as iodine-125, palladium-103, be exactly a kind of methods for the treatment of of Wicresoft, be to belong to the closely one of internal radiotherapy.It has the advantages such as simple to operate, result for the treatment of is good, makes its clinical practice show wide prospect.Because the use amount of sealed seed source grows with each passing day, output rolls up thereupon, so batch production has become certainty.Because radioiodine is toxic and volatile substances, must definitely pay attention to its pollution simultaneously.The production of radioiodine [I-125] sealed seed source at present adopts the method for laser welding that stepper motor drives, and the accurate location of the relative Titanium pipe of when welding laser beam is one of key of welding efficiency height, it be not only related to quality, efficiency and the operating personnel of product radiation safety, but also be related to the pollution of environment.There is defect in the apparatus for welding and positioning that domestic production producer adopts, cannot reach high-precision control in design, is badly in need of improving.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, the precision welding positioner of " economizing type " sealed seed source of a kind of " environmental protection " is provided, both can enhance productivity, meet the requirements of mass production of sealed seed source, thereby meet the clinical use of hospital, can reduce again the pollution of volatile radioactive material confrontation production, environment, also can reduce the radiation of ray to operating personnel simultaneously.
The utility model is achieved through the following technical solutions:
A kind of radioactive sealed seed source laser weld precision positioning device, comprises a base plate platform, is fixed on the titanium pipe fixed part that the laser emitting head secured adjusted parts on described base plate platform are fixedly connected with horizontal displacement adjustment member and with described horizontal displacement adjustment member.
If no special instructions, in the utility model, definition base plate platform place plane is XY plane, and place, the axis plane of described laser emitting head is XZ plane.
Described laser emitting head secured adjusted parts comprise that one is fixed on the support on described base plate platform, and the vertical plane of described support is provided with the sliding tray along Z-direction, and described sliding tray is provided with and is connected with it Z axis displacement coarse adjustment sliding shoe; On described Z axis displacement coarse adjustment sliding shoe, be fixedly connected with Z axis displacement fine tuning adjuster; On described Z axis displacement fine tuning adjuster, be connected with the angle-regulating block that can rotate on XZ face; On described angle-regulating block, be fixedly connected with described laser emitting head.
Described Z axis displacement fine tuning adjuster comprises also can be along the slide plate A of Z-direction relative sliding and slide plate B by inner chute connection; On the side of described slide plate A and slide plate B the same side, be respectively equipped with a micrometer retainer ring and a micrometer top bearing; In described micrometer retainer ring, fix and have a micrometer, the top of described micrometer is connected with the contact of described micrometer top bearing.
On the plate face of described slide plate A and slide plate B, be equipped with multiple screws; Described slide plate A is fixedly connected with angle-regulating block bolt by the screw on its plate face; Described slide plate B is fixedly connected with described Z axis displacement coarse adjustment sliding shoe bolt by the screw on its plate face;
Described Z axis displacement coarse adjustment sliding shoe is provided with screw, is provided with for contacting fastening bolt with the bottom surface of the sliding tray on described fixed support in described screw;
Bottom one side of described support is provided with the fixed block for fixing described support, and described fixed block bottom is fixedly connected with described base plate platform bolt, and a side of described fixed block is fixedly connected with described support bracket bolt.
When use, by regulating the roughly position of fixed laser outgoing head in Z-direction of described Z axis displacement coarse adjustment sliding shoe; By regulating the micrometer of described Z axis displacement fine tuning adjuster, can make micrometer do along the screw-in up and down in Z-direction screws out, micrometer drives described slide plate A slip along Z-direction on slide plate B in screw-in screws out, thereby realizes the fine setting of the laser emitting head being indirectly fixedly connected with slide plate A in Z-direction.
Described horizontal displacement adjustment member is made up of the X-axis displacement governor superposeing up and down and be fixedly connected with by bolt between contact-making surface and Y-axis displacement governor.
Described X-axis displacement governor or Y-axis displacement governor are made up of upper and lower two slide plates that are connected by inner chute; The X-direction both sides of described X-axis displacement governor are respectively provided with an X-axis displacement adjusting knob for regulating the top slide plate that drives described X-axis displacement governor to move along X-direction in lower slide plate; The Y direction both sides of described Y-axis displacement governor are respectively provided with a Y-axis displacement adjusting knob for regulating the top slide plate that drives described Y-axis displacement governor to move along Y direction in lower slide plate.
On the upper and lower surface of described X-axis displacement governor or Y-axis displacement governor, be equipped with multiple screws.
Described horizontal displacement adjuster is by being bolted to connection on screw and described base plate platform on described Y-axis displacement governor bottom surface.
The cross section of described support is square, and the four sides of described support is equipped with sliding tray, is fixedly connected with described base plate platform by the screw on support axis.
Described titanium pipe fixed part comprises rotating shaft stepper motor upward and is installed on the titanium tube fixer on described stepper motor rotating shaft.
Described titanium pipe fixed part is fixed on a right angle frame, and described right angle frame is fixedly connected with described horizontal displacement adjuster.
Described right angle frame comprises two L-squares, and described two Z-shaped bolts of L-square are fixedly connected with.
The lower horizontal right angle face of described right angle frame is fixedly connected with described horizontal displacement adjuster screw by the screw on described X-axis displacement governor upper surface.
The upper horizontal right angle face of described right angle frame is provided with perforate, and described stepper motor bolt is fixed under the upper horizontal right angle face of described right angle frame, and the rotating shaft of described stepper motor sees through described perforate and protrudes from the upper horizontal right angle face of described right angle frame.
Described titanium tube fixer bottom is provided with the rotating shaft jack matching with the rotating shaft of described stepper motor; Described titanium tube fixer top is provided with titanium pipe jack; Bottom one side of described titanium pipe jack is laterally provided with the bulb spring screw for fastening titanium pipe.
The length of described base plate platform is 490-510mm, and wide is 250-350mm, and thickness is 11-13mm.
The cross section of described support is square, and the length of side is 55-65mm, is highly 340-360mm.
The long limit beeline of the axle center of described support and described base plate platform is 30mm; The broadside beeline of the axle center of described support and described base plate platform is 180mm.
The axle center of described support is 95mm with the center of being fixed on the Y-axis displacement governor on described base plate platform along the distance of Y direction; The axle center of described support is 220mm with the center of being fixed on the Y-axis displacement governor on described base plate platform along the distance of X-direction.
The XZ plane at described laser emitting head place is 0-12mm with the center of being fixed on the Y-axis displacement governor on described base plate platform along the distance of Y direction.
Being centered close in same XZ plane of the axle center of described titanium pipe jack and described X-axis displacement governor;
Described X-axis displacement governor regulates the range 25.4mm of the movement of the titanium pipe being fixed on described titanium tube fixer in X-axis.
Described Y-axis displacement governor regulates the range 25.4mm of the movement of the titanium pipe being fixed on described titanium tube fixer in Y-axis.
The range that the micrometer of described Z axis displacement fine tuning adjuster is adjusted in Z-direction is 25.4mm.
Preferably, described base plate platform, right angle frame and support are aluminum alloy material.
Utilize the operation that precision positioning device of the present invention welds to be:
(1) prepare: complete unlatching and the raw material of laser-beam welding machine and surveillance equipment, protective gas, as the processing of activation filamentary silver etc.;
(2) titanium pipe is inserted into Titanium tube fixer, accurately locates adjusting focal length;
(3) load activation filamentary silver and enter the titanium pipe of one end sealing;
(4) start laser weld, obtain a sealed seed source.
Use the method for the utility model sealed seed source precision welding positioner to be:
(1) open the power supply of laser-beam welding machine and dependent surveillance equipment, and titanium pipe is inserted in Titanium tube fixer;
(2) adjust X-axis displacement governor and Y-axis displacement governor, make the centre position of titanium pipe in monitor cross hairs, as shown in Figure 11 and Figure 12;
(3) adjust Z axis displacement coarse adjustment sliding shoe and Z axis displacement fine tuning adjuster, make the just in time center in monitor cross hairs, top of titanium pipe, as shown in figure 13;
(4) start laser weld, obtain the sealed seed source of the smooth following figure in top.
The utility model radioactive sealed seed source laser weld precision positioning device, can be used for the production in enormous quantities to sealed seed source, enhances productivity, and reduces the pollution of volatile radioactive material confrontation production, environment, reduces the radiation of ray to operating personnel simultaneously.
Accompanying drawing explanation
A kind of radioactive sealed seed source laser weld of Fig. 1 precision positioning device schematic diagram
Fig. 2 supporting structure cross sectional representation
Fig. 3 Z axis displacement fine tuning adjuster planar structure schematic diagram
Fig. 4 Z axis displacement fine tuning adjuster side structure schematic diagram
Fig. 5 X-axis displacement governor planar structure schematic diagram
Fig. 6 X-axis displacement governor side structure schematic diagram
Fig. 7 right angle frame front elevational schematic
Fig. 8 right angle frame schematic top plan view
Fig. 9 titanium pipe fixed part structural plan schematic diagram
Figure 10 titanium pipe fixed part plan structure schematic diagram
The displacement of Figure 11 titanium pipe X-direction regulates schematic diagram
The displacement of Figure 12 titanium pipe Y direction regulates schematic diagram
The displacement of Figure 13 titanium pipe Z-direction regulates schematic diagram
The relative fixed position of Figure 14 base plate platform upper-part schematic diagram
Reference numeral:
1, support; 2, Z axis displacement coarse adjustment sliding shoe; 3, Z axis displacement fine tuning adjuster; 4, angle-regulating block; 5, laser emitting head; 6, sliding tray; 7, fixed block; 8, bolt; 9, base plate platform; 10, titanium tube fixer; 11, right angle frame; 12, X-axis displacement governor; 13, Y-axis displacement governor; 14, X-axis displacement adjusting knob; 15, Y-axis displacement adjusting knob; 16, stepper motor; 17, screw; 18, micrometer; 19, micrometer retainer ring; 20, micrometer top bearing; 21, screw; 22, slide plate B; 23, slide plate A; 24, screw; 25, slide plate; 26, the upper horizontal right angle face of right angle frame; 27, the lower horizontal right angle face of right angle frame; 28, perforate; 29, titanium pipe jack; 30, bulb spring screw; 31, rotating shaft jack; 32, titanium pipe; 33, the axle center of support; 34, the XZ plane at laser emitting head place; 35, the center of Y-axis displacement governor.
The specific embodiment
Below by specific instantiation explanation the technical solution of the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.And except as otherwise noted, the change of its relativeness or adjustment, in the situation that changing technology contents without essence, when being also considered as the enforceable category of the utility model.
A kind of radioactive sealed seed source laser weld precision positioning device, as shown in Fig. 1-10 and 14, comprise a base plate platform 9, be fixed on the titanium pipe fixed part 10 that the laser emitting head secured adjusted parts on described base plate platform 9 are fixedly connected with horizontal displacement adjustment member and with described horizontal displacement adjustment member;
Described laser emitting head secured adjusted parts comprise that one is fixed on the support 1 on described base plate platform 9, and the vertical plane of described support 1 is provided with the sliding tray 6 along Z-direction, and described sliding tray 6 is provided with and is connected with it Z axis displacement coarse adjustment sliding shoe 2; On described Z axis displacement coarse adjustment sliding shoe 2, be fixedly connected with Z axis displacement fine tuning adjuster 3; On described Z axis displacement fine tuning adjuster 3, be connected with the angle-regulating block 3 that can rotate on XZ face; On described angle-regulating block 3, be fixedly connected with described laser emitting head 5.
Described Z axis displacement fine tuning adjuster 3 comprises also can be along the slide plate A23 of Z-direction relative sliding and slide plate B22 by inner chute connection; On the side of described slide plate A23 and slide plate B22 the same side, be respectively equipped with a micrometer retainer ring 19 and a micrometer top bearing 20; The interior fixing of described micrometer retainer ring 19 has a micrometer 18, and the top of described micrometer 18 is connected with 20 contacts of described micrometer top bearing.
On the plate face of described slide plate A23 and slide plate B22, be equipped with multiple screws; Described slide plate A23 is fixedly connected with angle-regulating block 3 bolts by the screw on its plate face; Described slide plate B22 is fixedly connected with described Z axis displacement coarse adjustment sliding shoe 2 bolts by the screw on its plate face.
Described Z axis displacement coarse adjustment sliding shoe 2 is provided with screw, is provided with for contacting fastening bolt 8 with the bottom surface of the sliding tray 6 on described support 1 in described screw.
Bottom one side of described support 1 is provided with the fixed block 7 for fixing described support 1, and described fixed block 7 bottoms are fixedly connected with described base plate platform 9 bolts, and a side of described fixed block 7 is fixedly connected with described support 1 bolt.
When use, by regulating the roughly position of fixed laser outgoing head in Z-direction of described Z axis displacement coarse adjustment sliding shoe; By regulating the micrometer of described Z axis displacement fine tuning adjuster, can make micrometer do along the screw-in up and down in Z-direction screws out, micrometer drives described slide plate A slip along Z-direction on slide plate B in screw-in screws out, thereby realizes the fine setting of the laser emitting head being indirectly fixedly connected with slide plate A in Z-direction.
Described horizontal displacement adjustment member is made up of the X-axis displacement governor 12 superposeing up and down and be fixedly connected with by bolt between contact-making surface and Y-axis displacement governor 13; Described X-axis displacement governor 12 or Y-axis displacement governor 13 are made up of upper and lower two slide plates that are connected by inner chute 25; The X-direction both sides of described X-axis displacement governor 12 are respectively provided with an X-axis displacement adjusting knob 14 for regulating the top slide plate that drives described X-axis displacement governor 12 to move along X-direction in lower slide plate; The Y direction both sides of described Y-axis displacement governor 13 are respectively provided with a Y-axis displacement adjusting knob 15 for regulating the top slide plate that drives described Y-axis displacement governor 13 to move along Y direction in lower slide plate.
On the upper and lower surface of described X-axis displacement governor 12 or Y-axis displacement governor 13, be equipped with multiple screws; Described horizontal displacement adjuster is fixedly connected with described base plate platform 9 bolts by the screw on described Y-axis displacement governor 13 bottom surfaces.
Described titanium pipe fixed part comprises rotating shaft stepper motor 16 upward and is installed on the titanium tube fixer 10 on described stepper motor 16 rotating shafts; Described titanium tube fixer 10 is fixed on a right angle frame 11; Described right angle frame 11 comprises two L-squares, and described two Z-shaped bolts of L-square are fixedly connected with; The lower horizontal right angle face 27 of described right angle frame 11 is fixedly connected with described horizontal displacement adjuster screw by the screw on described X-axis displacement governor 12 upper surfaces; The upper horizontal right angle face 26 of described right angle frame 11 is provided with perforate 28, described stepper motor 16 bolts are fixed under the upper horizontal right angle face 26 of described right angle frame 11, and the rotating shaft of described stepper motor 16 sees through described perforate 28 and protrudes from the upper horizontal right angle face 26 of described right angle frame 11.
Described titanium tube fixer 10 bottoms are provided with the rotating shaft jack 31 matching with the rotating shaft of described stepper motor 16; Described titanium tube fixer 10 tops are provided with titanium pipe jack 29; Bottom one side of described titanium pipe jack 29 is laterally provided with the bulb spring screw 30 for fastening titanium pipe 32.
The cross section of described support 1 is square, and the four sides of described support 1 is equipped with sliding tray 6, is fixedly connected with described base plate platform 9 by the screw 17 on support 1 axis.
The length of described base plate platform 9 is 490-510mm, and wide is 250-350mm, and thickness is 11-13mm;
The length of side of described support 1 cross section is 55-65mm, is highly 340-360mm;
The axle center 33 of described support is 30mm with the long limit beeline of described base plate platform 9; The axle center 33 of described support is 180mm with the broadside beeline of described base plate platform 9;
The axle center 33 of described support is 95mm with the center 35 of being fixed on the Y-axis displacement governor on described base plate platform 9 along the distance of Y direction; The axle center 33 of described support is 220mm with the center 35 of being fixed on the Y-axis displacement governor on described base plate platform 9 along the distance of X-direction;
Described laser emitting head place XZ plane 34 is 0-12mm with the center 35 of being fixed on the Y-axis displacement governor on described base plate platform 9 along the distance of Y direction;
Being centered close in same XZ plane of the axle center of described titanium pipe jack 29 and described X-axis displacement governor 12;
Described X-axis displacement governor 12 regulates the range 25.4mm of the movement of the titanium pipe 32 being fixed on described titanium tube fixer 10 in X-axis;
Described Y-axis displacement governor 13 regulates the range 25.4mm of the movement of the titanium pipe 32 being fixed on described titanium tube fixer 10 in Y-axis;
The range that the micrometer 18 of described Z axis displacement fine tuning adjuster 3 is adjusted in Z-direction is 25.4mm;
Preferably, described base plate platform 9, right angle frame 11 and support 1 are aluminum alloy material.
Utilize the operation that precision positioning device of the present invention welds to be:
(5) prepare: complete unlatching and the raw material of laser-beam welding machine and surveillance equipment, protective gas, as the processing of activation filamentary silver etc.;
(6) titanium pipe 32 is inserted into titanium tube fixer 10, accurately locates adjusting focal length;
(7) load activation filamentary silver and enter the titanium pipe 32 of one end sealing;
(8) start laser weld, obtain a sealed seed source.
Use the method for the utility model sealed seed source precision welding positioner to be:
(1) open the power supply of laser-beam welding machine and dependent surveillance equipment, and titanium pipe 32 is inserted in titanium tube fixer 10;
(2) adjust X-axis displacement governor 12 and Y-axis displacement governor 13, make the centre position of titanium pipe 32 in monitor cross hairs, as shown in Figure 11 and Figure 12;
(5) adjust Z axis displacement coarse adjustment sliding shoe 2 and Z axis displacement fine tuning adjuster 3, make the just in time center in monitor cross hairs, top of titanium pipe 32, as shown in figure 13;
(6) start laser weld, obtain the sealed seed source of the smooth following figure in top.
The utility model radioactive sealed seed source laser weld precision positioning device, can be used for the production in enormous quantities to sealed seed source, enhances productivity, and reduces the pollution of volatile radioactive material confrontation production, environment, reduces the radiation of ray to operating personnel simultaneously.

Claims (12)

1. a radioactive sealed seed source laser weld precision positioning device, it is characterized in that, comprise a base plate platform (9), be fixed on the titanium pipe fixed part that the laser emitting head secured adjusted parts on described base plate platform (9) are fixedly connected with horizontal displacement adjustment member and with described horizontal displacement adjustment member.
2. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 1, it is characterized in that, described laser emitting head secured adjusted parts comprise that one is fixed on the support (1) on described base plate platform (9), the vertical plane of described support (1) is provided with the sliding tray (6) along Z-direction, and described sliding tray (6) is provided with and is connected with it Z axis displacement coarse adjustment sliding shoe (2); On described Z axis displacement coarse adjustment sliding shoe (2), be fixedly connected with Z axis displacement fine tuning adjuster (3); On described Z axis displacement fine tuning adjuster (3), be connected with the angle-regulating block (3) that can rotate on XZ face; On described angle-regulating block (3), be fixedly connected with described laser emitting head (5).
3. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 2, it is characterized in that, described Z axis displacement fine tuning adjuster (3) comprise by inner chute connect and can be along the slide plate A(23 of Z-direction relative sliding) and slide plate B(22); Described slide plate A(23) and slide plate B(22) be respectively equipped with a micrometer retainer ring (19) and a micrometer top bearing (20) on the side of the same side; In described micrometer retainer ring (19), fix and have a micrometer (18), the top of described micrometer (18) is connected with described micrometer top bearing (20) contact.
4. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 3, is characterized in that described slide plate A(23) and slide plate B(22) plate face on be equipped with multiple screws; Described slide plate A(23) be fixedly connected with angle-regulating block (3) bolt by the screw on its plate face; Described slide plate B(22) be fixedly connected with described Z axis displacement coarse adjustment sliding shoe (2) bolt by the screw on its plate face.
5. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 4, it is characterized in that, described Z axis displacement coarse adjustment sliding shoe (2) is provided with screw, is provided with for contacting fastening bolt (8) with the bottom surface of the sliding tray (6) on described support (1) in described screw.
6. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 5, it is characterized in that, bottom one side of described support (1) is provided with the fixed block (7) for fixing described support (1), described fixed block (7) bottom is fixedly connected with described base plate platform (9) bolt, and a side of described fixed block (7) is fixedly connected with described support (1) bolt.
7. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 6, it is characterized in that, described horizontal displacement adjustment member is made up of the X-axis displacement governor (12) superposeing up and down and be fixedly connected with by bolt between contact-making surface and Y-axis displacement governor (13); Described X-axis displacement governor (12) or Y-axis displacement governor (13) are made up of upper and lower two slide plates that are connected by inner chute (25); The X-direction both sides of described X-axis displacement governor (12) are respectively provided with an X-axis displacement adjusting knob (14) for regulating the top slide plate that drives described X-axis displacement governor (12) to move along X-direction in lower slide plate; The Y direction both sides of described Y-axis displacement governor (13) are respectively provided with a Y-axis displacement adjusting knob (15) for regulating the top slide plate that drives described Y-axis displacement governor (13) to move along Y direction in lower slide plate.
8. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 7, is characterized in that, on the upper and lower surface of described X-axis displacement governor (12) or Y-axis displacement governor (13), is equipped with multiple screws; Described horizontal displacement adjuster is fixedly connected with described base plate platform (9) bolt by the screw on described Y-axis displacement governor (13) bottom surface.
9. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 8, it is characterized in that, described titanium pipe fixed part comprises stepper motor (16) upward of a rotating shaft and is installed on the titanium tube fixer (10) on described stepper motor (16) rotating shaft; Described titanium tube fixer (10) is fixed on a right angle frame (11); Described right angle frame (11) comprises two L-squares, and described two Z-shaped bolts of L-square are fixedly connected with; The lower horizontal right angle face (27) of described right angle frame (11) is fixedly connected with described horizontal displacement adjuster (12) bolt by the screw on described X-axis displacement governor (12) upper surface; The upper horizontal right angle face (26) of described right angle frame (11) is provided with perforate (28), described stepper motor (16) bolt is fixed under the upper horizontal right angle face (26) of described right angle frame (11), and the rotating shaft of described stepper motor (16) sees through described perforate (28) and protrudes from the upper horizontal right angle face (26) of described right angle frame (11).
10. a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 9, is characterized in that, described titanium tube fixer (10) bottom is provided with the rotating shaft jack (31) matching with the rotating shaft of described stepper motor (16); Described titanium tube fixer (10) top is provided with titanium pipe jack (29); Bottom one side of described titanium pipe jack (29) is laterally provided with the bulb spring screw (30) for fastening titanium pipe (32).
11. a kind of radioactive sealed seed source laser weld precision positioning devices as claimed in claim 10, it is characterized in that, the cross section of described support (1) is square, the four sides of described support (1) is equipped with sliding tray (6), is fixedly connected with described base plate platform (9) by the screw (17) on support (1) axis.
12. a kind of radioactive sealed seed source laser weld precision positioning devices as claimed in claim 11, is characterized in that,
The length of described base plate platform (9) is 490-510mm, and wide is 250-350mm, and thickness is 11-13mm;
The length of side of the cross section of described support (1) is 55-65mm, is highly 340-360mm;
The axle center (33) of described support is 30mm with the long limit beeline of described base plate platform (9); The axle center (33) of described support is 180mm with the broadside beeline of described base plate platform (9);
The axle center (33) of described support is 95mm with the center (35) of being fixed on the Y-axis displacement governor on described base plate platform (9) along the distance of Y direction; The axle center (33) of described support is 220mm with the center (35) of being fixed on the Y-axis displacement governor on described base plate platform (9) along the distance of X-direction;
The XZ plane (34) at described laser emitting head place is 0-12mm with the center (35) of being fixed on the Y-axis displacement governor on described base plate platform (9) along the distance of Y direction;
Being centered close in same XZ plane of the axle center of described titanium pipe jack (29) and described X-axis displacement governor (12).13, a kind of radioactive sealed seed source laser weld precision positioning device as claimed in claim 12, is characterized in that,
Described X-axis displacement governor (12) regulates the range 25.4mm of the movement of the titanium pipe (32) being fixed on described titanium tube fixer (10) in X-axis;
Described Y-axis displacement governor (13) regulates the range 25.4mm of the movement of the titanium pipe (32) being fixed on described titanium tube fixer (10) in Y-axis;
The range that the micrometer (18) of described Z axis displacement fine tuning adjuster (3) is adjusted in Z-direction is 25.4mm.
CN201320892308.2U 2013-12-31 2013-12-31 Precision positioning device for laser welding of radioactive airtight brachytherapy source Expired - Fee Related CN203664928U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN105149779A (en) * 2015-09-23 2015-12-16 北京石油化工学院 Laser welding head position regulating device
CN105251110A (en) * 2015-11-10 2016-01-20 北京工业大学 Assembling device and method in radioactive seed stent
CN106513995A (en) * 2016-12-26 2017-03-22 浙江久恒光电科技有限公司 Laser surface strengthening machining device and method for plane type valve sealing surface
CN107876982A (en) * 2017-11-24 2018-04-06 广州创亿生物科技有限公司 A kind of automatic laser welding machine
CN108831580A (en) * 2018-08-22 2018-11-16 原子高科股份有限公司 A kind of radioactive particle assembles and the device and method of sealing automatically

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149779A (en) * 2015-09-23 2015-12-16 北京石油化工学院 Laser welding head position regulating device
CN105251110A (en) * 2015-11-10 2016-01-20 北京工业大学 Assembling device and method in radioactive seed stent
CN105251110B (en) * 2015-11-10 2018-04-17 北京工业大学 A kind of device and assembly method for assembling in radioactive particle stent
CN106513995A (en) * 2016-12-26 2017-03-22 浙江久恒光电科技有限公司 Laser surface strengthening machining device and method for plane type valve sealing surface
CN107876982A (en) * 2017-11-24 2018-04-06 广州创亿生物科技有限公司 A kind of automatic laser welding machine
CN107876982B (en) * 2017-11-24 2019-12-10 广州创亿生物科技有限公司 Automatic laser welding machine
CN108831580A (en) * 2018-08-22 2018-11-16 原子高科股份有限公司 A kind of radioactive particle assembles and the device and method of sealing automatically
CN108831580B (en) * 2018-08-22 2023-10-10 原子高科股份有限公司 Device and method for automatically assembling and sealing radioactive particles

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