CN111230368A - Lifting device for high vacuum seal welding - Google Patents
Lifting device for high vacuum seal welding Download PDFInfo
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- CN111230368A CN111230368A CN202010153030.1A CN202010153030A CN111230368A CN 111230368 A CN111230368 A CN 111230368A CN 202010153030 A CN202010153030 A CN 202010153030A CN 111230368 A CN111230368 A CN 111230368A
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- 238000003466 welding Methods 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention provides a lifting device for high vacuum seal welding, which comprises a lifting lever mechanism, a lifting mechanism and a welding device, wherein the lifting lever mechanism is used for providing original power for driving the welding device, and the lifting device also comprises: the lifting sealing mechanism is connected with the lifting lever mechanism and used for ensuring the sealing property of the interior of the vacuum cover of the welding device in the movement process; the lifting guide mechanism is connected with the lifting sealing mechanism and is used for realizing the movement of the welding device in the vacuum cover; and the clamping mechanism is connected with the lifting guide mechanism and used for clamping the welding device. The base and the base of the lifting sealing mechanism adopt a sealing ring static pressing sealing mode, the sealing process is simple, mature and reliable, after the lifting sealing mechanism is manufactured, the sealing performance of the mechanism is detected through a leakage detection technology, the sealing detection can be carried out in advance, and the success rate of one-time assembly can be effectively ensured; meanwhile, the invention can accurately move and align the welding device and the welding part of the workpiece, thereby reducing the manual operation error and having high reliability.
Description
Technical Field
The invention relates to the field of manufacturing industry, in particular to a lifting device for high-vacuum sealing welding.
Background
In engineering practice, a workpiece needs to be subjected to sealing welding in a vacuum bell jar in a high vacuum environment, personnel cannot directly perform welding operation in the vacuum bell jar due to environmental factors, a high vacuum sealing lifting mechanism needs to be used, a welding device is operated outside the vacuum environment, the workpiece is welded, and the vacuum degree and the sealing performance of the workpiece are guaranteed.
According to the technical scheme, the handle of the welding device is sealed by using the sealing ring, and meanwhile, the manual adjustment mode is aligned with the welding position of the workpiece for welding by manual observation. The prior art has the following problems:
1. in the prior art, because the sealing processing of the sealing ring and the handle of the welding device is difficult, the sealing effect can be damaged by the movement of the handle of the welding device during welding, the sealing effect of the sealing ring and the sealing position of the handle of the welding device is reduced, the vacuum degree in a vacuum cover is reduced, and the vacuum degree requirement in a workpiece can not be ensured after the workpiece is welded.
2. The relative motion of sealing washer and welding set handle can lead to the sealing washer wearing and tearing, influences sealed effect, needs incessant change sealing washer, simultaneously, changes the sealing washer operation difficulty, and the time consuming is inefficient.
3. The positions of the welding position of the workpiece and the welding device are observed manually, so that the welding position cannot be effectively aligned in a moving mode, the welding reliability is reduced, meanwhile, the operation is difficult, and the welding efficiency is low.
Disclosure of Invention
In view of the above, the present invention provides a lifting device for high vacuum seal welding, which ensures the vacuum environment in the vacuum enclosure and enables the welding device to precisely move and align with the welding position of the workpiece.
The purpose of the invention is realized by the following technical scheme:
a high vacuum seal welded lifting device, includes the lifting lever mechanism for providing the original power of drive welding set, still includes:
the lifting sealing mechanism is connected with the lifting lever mechanism and used for ensuring the sealing property of the interior of the vacuum cover of the welding device in the movement process;
the lifting guide mechanism is connected with the lifting sealing mechanism and is used for realizing the movement of the welding device in the vacuum cover;
and the clamping mechanism is connected with the lifting guide mechanism and used for clamping the welding device.
Further, the lifting lever mechanism comprises a power supply part, a fork-shaped block I, a connecting rod, a fork-shaped block II and a supporting rod, wherein the power supply part, the fork-shaped block I, the connecting rod and the fork-shaped block II are sequentially connected, one end of the supporting rod is hinged to the middle of the connecting rod, and the other end of the supporting rod is fixedly connected with the base, so that the two ends of the connecting rod make reciprocating motion in the vertical direction by taking the connecting part of the connecting rod and the supporting.
Further, the power supply part comprises a hand wheel and a fixed seat which are connected in sequence, and a screw rod of the hand wheel penetrates through the fixed seat. So that the screw rod can reciprocate in the vertical direction by the rotation of the hand wheel.
Furthermore, the lifting sealing mechanism comprises a top seat, a corrugated pipe and a base which are sequentially connected, a sealing ring is arranged at the joint of the top seat and the base, namely, a static pressure sealing mode is adopted, the static pressure sealing mode is more reliable than a dynamic sealing technology, and meanwhile, the sealing ring cannot be damaged due to movement.
Furthermore, the corrugated pipe is formed by sequentially connecting a plurality of stainless steel diaphragms, and the adjacent diaphragms are connected in a welding mode. The sealing and compressing functions of the corrugated pipe ensure the sealing performance of the lifting sealing mechanism.
Furthermore, the connection modes of the upper connecting end and the lower connecting section of the corrugated pipe and the base and the top seat are laser welding. The sealing performance is ensured.
Further, the lifting guide mechanism comprises a fixing part and a guide rod, wherein the fixing part is connected in sequence, the guide rod penetrates through the fixing part and can reciprocate along the axial direction of the fixing part.
Further, the fixed part includes stand, guide post I and the guide post II that connects gradually in the ascending direction of vertical direction, still establishes including the cover on the guide post II, along vertical direction downward direction fixed block, guide block II and the guide block I of interval arrangement in proper order, guide block II fixes on the guide post II.
And the pull rod penetrates through the fixed block, the guide block II and the guide block I, and is connected with the fixed block and the guide block II.
Furthermore, one end of the guide rod is connected with one end, far away from the connecting rod, of the fork-shaped block II, and the other end of the guide rod is connected with the fixed block.
The invention has the beneficial effects that:
the base and the base of the lifting sealing mechanism adopt a sealing ring static pressing sealing mode, the sealing process is simple, mature and reliable, after the lifting sealing mechanism is manufactured, the sealing performance of the mechanism is detected through a leakage detection technology, the sealing detection can be carried out in advance, and the success rate of one-time assembly can be effectively ensured; meanwhile, the invention can accurately move and align the welding device and the welding part of the workpiece, thereby reducing the manual operation error and having high reliability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention (including a base and a vacuum housing);
FIG. 2 is a schematic view of the present invention (excluding the base and vacuum housing);
FIG. 3 is a schematic structural view of a lifting lever mechanism, wherein (a) is an overall view and (b) is an exploded view;
FIG. 4 is a schematic structural view of a lifting sealing mechanism, wherein (a) is an overall view and (b) is an exploded view;
FIG. 5 is a schematic structural view of a lift guide mechanism, wherein (a) is an overall view and (b) is an exploded view;
fig. 6 is an exploded view of the clamping mechanism.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
The lifting mechanism for high vacuum seal welding in the embodiment, as shown in fig. 1 and 2, comprises a lifting lever mechanism 31, a lifting sealing mechanism 32 and a lifting guide mechanism 33 which are connected in sequence, wherein the lifting guide mechanism 33 is located inside a vacuum hood 1 (in a working state) and is connected with a clamping mechanism 34, the clamping mechanism 34 is used for clamping a welding device, the lifting guide mechanism 33 is used for realizing the upper and lower precise sliding of the welding device inside the vacuum hood 1, the lifting sealing mechanism 32 is connected to the bottom of the lifting guide mechanism 33 and is used for ensuring the sealing performance of the welding device inside the vacuum hood 1 in the movement process, the other end of the lifting sealing mechanism 32 is connected with the lifting lever mechanism 31, and the lifting lever mechanism 31 is used as the original power for driving the welding device.
As shown in fig. 3, the lifting lever mechanism 31 includes a hand wheel 311, a fixing seat 312 (the above features constitute a power supply part), a connecting rod 315, a fork block I313, a fork block II316, and a supporting rod 314, and the hand wheel 311 and the fixing seat 312 are fixed on the base 2.
The hand wheel 311 comprises a rotating wheel part and a screw rod (not shown in the figure), the screw rod penetrates through the center of the fixed seat 312 and is connected with the fork-shaped block I313, an internal thread matched with the screw rod is arranged at the connecting part of the fixed seat 312 and the hand wheel 311, so that the screw rod can reciprocate along the axial direction under the rotation of the rotating wheel, the other connecting end of the fork-shaped block I313 is connected with one end of a connecting rod 315, the other end of the connecting rod 315 is connected with one connecting end of a fork-shaped block II316, the middle part of the connecting rod 315 is connected with one end of a supporting rod 314, the other end of the supporting rod 314 is connected with the.
The connection between the connecting rod 315 and the supporting rod 314 serves as a lever, and the connection mode between the connecting rod and the supporting rod is as follows: set up an opening direction for the opening of the axial direction of branch 314 at the junction of branch 314 and connecting rod 315 for the middle part of connecting rod 315 sets up inside the opening, and realizes connecting through screw and nut, and this connected mode's effect does: the link 315 is allowed to move up and down about the joint with the strut 314 as a fulcrum, and the link 315 is prohibited from rotating about the fulcrum.
The lifting lever mechanism 31 functions in the following manner: the hand wheel 311 is rotated clockwise or counterclockwise, the screw of the hand wheel 311 moves axially under the rotation action, and then the fork block I313 drives the connecting rod 315 to move vertically upwards or downwards around the connecting part (fulcrum) with the supporting rod 314, so that the fork block II316 moves in the direction opposite to the direction of the fork block I313.
As shown in fig. 4, the lifting sealing mechanism 32 includes a top seat 321, a bellows 322, a base 323, and a sealing ring 324, a planar projection of the top seat 321 is "T", the top seat 321 includes a vertical end and a disc end (not shown), a through hole is provided inside the top seat 321 for allowing a guide rod 331 (belonging to the lifting guide mechanism 33) to pass through the top seat 321 to connect with the other connecting end of the fork block II316, the disc end is connected with one end of the bellows 322, the other end of the bellows 322 is connected with the interface I of the base 323, the interface II of the base 323 is connected with the base 2, in order to ensure the sealing performance of the vacuum enclosure 1, the sealing ring 324 is provided on an outer circumference of the interface II, and in this embodiment, the base 323 and the base 2 are connected by a plug-in connection (interface II) and a screw thread (a screw and a.
The bellows 322 is formed by welding a plurality of (22 in this embodiment) stainless steel diaphragms according to the actual length requirement, each stainless steel diaphragm is made by stamping a stainless steel plate, and the bellows 322 is compressed and pulled up under the axial stress, so that displacement is generated. The upper and lower ports of the corrugated pipe 322 are welded with the base 323 and the top seat 321 by laser, and in order to ensure the sealing performance, after the welding is finished, the leak rate of the lifting sealing mechanism is detected by a leak detector.
As shown in fig. 5, the lifting guide mechanism 33 includes a column 332, a guide rod 331, a guide post I333, a guide post II338, a fixed block 337, a pull rod 335, a guide block I334, and a guide block II 336.
The post 332 is fixed to the base 2, in this embodiment by means of a screw and nut (threaded connection), but other connections such as sliding connections or tenons may be used. The upright post 332, the guide post I333 and the guide post II338 are sequentially fixed together along an upward direction in a vertical direction by means of threaded connection (other connection means, such as plug-in connection, may also be adopted), the fixing block 337, the guide block I334 and the guide block II 336 are all provided with mounting holes I and mounting holes II (not shown in the drawings) in an axial direction, the mounting holes I and the mounting holes II are spaced at a certain distance, the fixing block 337, the guide block I334 and the guide block II 336 are sleeved (pass through the mounting holes I of the fixing block 337, the guide block I334 and the guide block II 336) on the guide post II338 from a top end to a bottom end of the guide post II338 in the axial direction of the guide post II338, the pull rod 335 passes through the fixing block 337, the guide block I334 and the guide block II 336 in a manner of passing through the mounting holes II of the fixing block 337, the guide block I334 and the guide block II 336, and is connected with the guide block II 336 and the fixed block 337, and the connection mode of the embodiment is threaded bolt connection. The pull rod 335 passes through the upright post 332, the guide post I333 and the guide post II338, the other end (the end far away from the fork-shaped block II 316) is connected with the fixed block 337, in the embodiment, the guide block II 336 is fixed on the guide post II338 by adopting threaded connection, therefore, the guide rod 331, the upright post 332, the guide post I333 and the guide post II338 form a precise sliding pair, the outer circle of the guide post I333 and the large inner hole of the guide block I334 form a precise sliding pair, and the pull rod 335 and the small hole of the guide block II 336 form a precise sliding pair.
As shown in fig. 4, the clamping mechanism 34 includes a press block 341 attached to the end of the guide block II 336 opposite the elongated section of the tie rod 335, the press block 341 being used to mount the welding device.
The embodiment of the invention is as follows: the hand wheel 311 is rotated, the lifting lever mechanism 31 moves, the fork-shaped block I313 drives the top seat 321 and the guide rod 331 to move up and down, then the guide block I334 drives the welding device through the lifting guide 33 mechanism, and accurate up-and-down movement can be realized under the action of a plurality of accurate sliding side effects.
In addition, a closed vacuum environment is formed after the lifting sealing mechanism 32 and the base 2 are installed, the top seat 321 of the lifting sealing mechanism 2 is respectively connected with the lifting lever mechanism 31 and the lifting guide mechanism 33, and the spiral up-and-down movement of the hand wheel 311 is transmitted to the up-and-down movement of the guide rod 331 of the lifting guide mechanism 33 in the vacuum environment, so that the transmission of the movement in the sealing state is realized.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a high vacuum seal welded elevating gear which characterized in that: including the lifting lever mechanism for provide the original power of drive welding set, still include:
the lifting sealing mechanism is connected with the lifting lever mechanism and used for ensuring the sealing property of the interior of the vacuum cover of the welding device in the movement process;
the lifting guide mechanism is connected with the lifting sealing mechanism and is used for realizing the movement of the welding device in the vacuum cover;
and the clamping mechanism is connected with the lifting guide mechanism and used for clamping the welding device.
2. The lifting device according to claim 1, characterized in that: the lifting lever mechanism comprises a power supply part, a fork-shaped block I, a connecting rod, a fork-shaped block II and a supporting rod, wherein the power supply part, the fork-shaped block I, the connecting rod and the fork-shaped block II are sequentially connected, one end of the supporting rod is hinged to the middle of the connecting rod, and the other end of the supporting rod is fixedly connected with the base, so that the two ends of the connecting rod make reciprocating motion in the vertical direction by taking the connecting part of the connecting rod and the.
3. The lifting device according to claim 2, characterized in that: the power supply part comprises a hand wheel and a fixed seat which are connected in sequence, and a screw rod of the hand wheel penetrates through the fixed seat.
4. The lifting device according to claim 1, characterized in that: the lifting sealing mechanism comprises a top seat, a corrugated pipe and a base which are sequentially connected along the vertical direction, and a sealing ring is arranged at the joint of the base and the base.
5. The lifting device according to claim 4, characterized in that: the corrugated pipe is formed by sequentially connecting a plurality of stainless steel diaphragms, and the adjacent diaphragms are connected in a welding mode.
6. The lifting device according to claim 5, wherein: the connection modes of the upper connecting end and the lower connecting section of the corrugated pipe and the base and the top seat are laser welding.
7. The lifting device according to claim 2, characterized in that: the lifting guide mechanism comprises fixing parts and a guide rod, wherein the fixing parts are sequentially connected, the guide rod penetrates through the fixing parts and can reciprocate along the axial direction of the fixing parts.
8. The lifting device as claimed in claim 7, wherein: the fixed part includes stand, guide post I and the guide post II that connects gradually at the ascending orientation of vertical direction, still establishes including the cover on the guide post II, along vertical direction downward fixed block, guide block II and the guide block I of interval arrangement in proper order, guide block II fixes on the guide post II.
9. The lifting device as claimed in claim 8, characterized in that: the pull rod penetrates through the fixed block, the guide block II and the guide block I, and is connected with the fixed block and the guide block II.
10. The lifting device as claimed in claim 9, characterized in that: one end of the guide rod is connected with one end, far away from the connecting rod, of the forked block II, and the other end of the guide rod is connected with the fixed block.
Priority Applications (1)
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CN202010153030.1A CN111230368A (en) | 2020-03-06 | 2020-03-06 | Lifting device for high vacuum seal welding |
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CN202010153030.1A CN111230368A (en) | 2020-03-06 | 2020-03-06 | Lifting device for high vacuum seal welding |
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CN202010153030.1A Pending CN111230368A (en) | 2020-03-06 | 2020-03-06 | Lifting device for high vacuum seal welding |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112820531A (en) * | 2021-02-02 | 2021-05-18 | 贵州广播电视大学(贵州职业技术学院) | Device and method for bonding base with annular groove and permanent magnet |
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CN109014477A (en) * | 2018-08-20 | 2018-12-18 | 刘日房 | A kind of board production spot welding device |
CN109592619A (en) * | 2018-12-14 | 2019-04-09 | 兰州空间技术物理研究所 | A kind of the solution sealing mechanism and method of vacuum-tight container |
CN213053374U (en) * | 2020-03-06 | 2021-04-27 | 贵州广播电视大学(贵州职业技术学院) | Lifting device for high vacuum seal welding |
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2020
- 2020-03-06 CN CN202010153030.1A patent/CN111230368A/en active Pending
Patent Citations (8)
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KR20070081034A (en) * | 2006-02-09 | 2007-08-14 | 삼성전자주식회사 | Lift pin elevating apparatus and semiconductor device manufacturing equipment |
CN206169436U (en) * | 2016-11-08 | 2017-05-17 | 北京中科科美科技股份有限公司 | Brazed structure subassembly in vacuum environment |
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CN112820531A (en) * | 2021-02-02 | 2021-05-18 | 贵州广播电视大学(贵州职业技术学院) | Device and method for bonding base with annular groove and permanent magnet |
CN112820531B (en) * | 2021-02-02 | 2022-06-24 | 贵州广播电视大学(贵州职业技术学院) | Device and method for bonding base with annular groove and permanent magnet |
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