CN102642080A - Positioning device for girth welding of hemispherical structural part - Google Patents
Positioning device for girth welding of hemispherical structural part Download PDFInfo
- Publication number
- CN102642080A CN102642080A CN2012101474824A CN201210147482A CN102642080A CN 102642080 A CN102642080 A CN 102642080A CN 2012101474824 A CN2012101474824 A CN 2012101474824A CN 201210147482 A CN201210147482 A CN 201210147482A CN 102642080 A CN102642080 A CN 102642080A
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- positioner
- push rod
- lifter plate
- girth welding
- guide holder
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Abstract
The invention relates to a positioning device for girth welding of a hemispherical structural part. The positioning device comprises a self-adaptive positioner, a reducing mechanism and a base frame, wherein a vertical lifting module is installed on a guiding shaft of the base frame, horizontal telescoping mechanisms arranged to be arc-shaped in space are circumferentially, uniformly distributed on an outer frame of a lifting plate, and the self-adaptive positioner is positioned at the front end of the horizontal telescoping mechanism and is connected through a hinge pin. According to the device, the radial position of the horizontal telescoping mechanism is adjusted through the lifting plate; the installation state of the self-adaptive positioner is automatically adjusted through the horizontal telescoping mechanism to meet the positioning requirement when the diameter of the hemispherical structural part is varied within a certain size range, and to solve the installation defect of manually adjusting the positioning device when the thin-wall aluminum alloy structural part has larger overall size, shape error and the like in the existing installation technology.
Description
Technical field
The present invention relates to large-scale hemispherical junction member friction Stir field, particularly relate to a kind of positioner that is used for the girth welding of hemispherical junction member.
Background technology
Use very extensively at the medium-and-large-sized thin-wall aluminum alloy member of aerospace field.In existing the production, the special fixture that is used for the welding of large thin-wall aluminum alloy junction member nearly all is a tailored version, and promptly a kind of model thin-wall aluminum alloy member is equipped with a cover special fixture.When structural member overall size, form error etc. are big, often take the installation site of artificial adjustment setting element, it is contacted with workpiece profile realize the location.This method has not only reduced production efficiency, and place one's entire reliance upon operator's experience of adjustment precision, therefore causes the workpiece location often unreliable, has seriously restricted the production cycle of China's spaceflight delivering tool and guided missile series products.
Summary of the invention
The present invention provides a kind of positioner and method that is used for the girth welding of hemispherical junction member, to solve in the existing mounting technique defective mounting of artificial adjustment positioner when realizing that large thin-wall aluminum alloy junction member overall size, form error etc. are big.
The technical solution adopted for the present invention to solve the technical problems is: a kind of positioner that is used for the girth welding of hemispherical junction member is provided; Comprise self adaptation locator, diameter changing mechanism and pedestal; Said pedestal comprises guide holder, following guide holder, column, lining and the axis of guide; One end of said column is installed in down on the guide holder, and the other end is equipped with the said guide holder of going up; Said lining press fit in guide holder and the following guide holder, and constitutes two supportings, and the said axis of guide is installed in two supportings; Described diameter changing mechanism comprises vertical lifting module and the flexible module of level; Said vertical lifting module comprises double-acting cylinder, connecting plate and lifter plate, and said connecting plate is fixed tightly in through double nut on the output shaft of double-acting cylinder, and said lifter plate is positioned on the connecting plate, and fixes through pin, screw and connecting plate; Said lifter plate is sleeved on the described axis of guide; The flexible module of described level is made up of a plurality of horizontal telescopic units; Said horizontal telescopic unit comprises upper branching holder, push rod, pushing block, lower support seat and locking spring, and said pushing block is fixed on the rear end of push rod; Said push rod is installed in the support holes of upper branching holder and lower support seat composition; The front end of said push rod is fixed with said self adaptation locator; In the annular space of described locking spring between the support holes and the push rod shaft shoulder, and be in pressured state; Said lower support seat is distributed on the installation base surface of said guide holder down; The housing face of said lifter plate is inclined wedge-shaped, and is shaped on T-slot on the housing face; The T-shaped boss shape in the end of said pushing block; Said pushing block is embedded in the T-slot of said lifter plate housing face.
Said self adaptation locator comprises keeper and bearing pin, and said keeper is concave shape, and there are two round boss the end.
Be distributed with four gathering sills on the said axis of guide excircle, interior retainer, outer retainer and several steel balls are installed in the said gathering sill, said steel ball is isolated through interior retainer and outer retainer.
The stepped structure of said push rod; Said support holes is a shoulder hole.
The end of described push rod front end is shaped on the yi word pattern breach, and circumferencial direction is shaped on a through hole, and said setting element is installed in the front end of push rod through bearing pin.
The horizontal cross-section of described lifter plate is an octagon.
The flexible module of described level is made up of eight horizontal telescopic units; Said horizontal telescopic unit is distributed on the installation base surface of said guide holder down through said lower support seat.
Between described guide holder down and the lifter plate locking spring is housed, said locking spring is evenly equipped with eight along the circumferencial direction of said lifter plate; Said locking spring is in tension state.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect: the present invention realizes the radial position adjustment of horizontal telescoping mechanism through the vertical lifting module; Automatically adjust the installation attitude of self adaptation locator through horizontal telescoping mechanism; Location requirement when changing in the certain size scope to adapt to hemispherical junction member diameter is to solve in the existing mounting technique defective mounting of artificial adjustment positioner when realizing that large thin-wall aluminum alloy junction member overall size, form error etc. are big.
Description of drawings
Fig. 1 is a profile sketch map of the present invention;
Fig. 2 is principal section figure of the present invention;
Fig. 3 be among Fig. 2 A to partial enlarged drawing;
Fig. 4 is the partial enlarged drawing of self adaptation locator among the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, a kind of positioner that is used for the girth welding of hemispherical junction member comprises self adaptation locator 10, diameter changing mechanism 20 and pedestal 30.
Like Fig. 2 and shown in Figure 4, self adaptation locator 10 of the present invention is made up of keeper 11 and bearing pin 12, and keeper 11 is the character cut in bas-relief shape, and there are two hemispherical boss the end.
As depicted in figs. 1 and 2, diameter changing mechanism 20 comprises the flexible module 22 of vertical lifting module 21 and level.
Wherein, Vertical lifting module 21 is made up of double-acting cylinder 211, connecting plate 212, lifter plate 213 and spring 214; Connecting plate 212 is fixed tightly in through double nut on the output shaft of double-acting cylinder 211, and lifter plate 213 is positioned on the connecting plate 212, is connected with connecting plate 212 through pin, screw.Simultaneously, lifter plate 213 is sleeved on the axis of guide 35 in the pedestal 30.The outline of lifter plate 213 is octagon (being that the horizontal cross-section is octagon) in horizontal plane, be inclined wedge-shaped at vertical plane, and be shaped on T-slot on the cammed surface.
The flexible module 22 of level is made up of 8 horizontal telescopic units 220, and horizontal telescopic unit 220 is made up of upper branching holder 221, push rod 222, pushing block 223, lower support seat 224 and locking spring 225, and pushing block 223 is fixed on the rear end of push rod 222 through screw thread; Push rod 222 is stepped, is installed in the shoulder hole of upper branching holder 221 and lower support seat 224 compositions; In the annular space of locking spring 225 between the shoulder hole and push rod 222 shaft shoulders, and be in pressured state, contact with work piece inner surface all the time to guarantee self adaptation locator 10.Horizontal telescopic unit 220 is distributed in the pedestal 30 on the installation base surface of guide holder 32 down through lower support seat 224, and is embedded in through pushing block 223 in the housing of lifter plate 213 of vertical lifting module 21.
As shown in Figure 3, the T-shaped boss shape in the end of pushing block 223, and be embedded in slippage in the T-slot of lifter plate 213.
As shown in Figure 2, the end of push rod 222 front ends is shaped on the yi word pattern breach, and circumferencial direction is shaped on a through hole, and setting element 11 is installed in the front end of push rod 222 through bearing pin 12.
As shown in Figure 2, pedestal 30 is by last guide holder 31, guide holder 32, column 33, lining 34 and the axis of guide 35 are formed down, and lining 34 press fit in guide holder 31 and the following guide holder 32, and constitutes two and support with the installation axis of guide 35.Wherein, be distributed with four gathering sills on the axis of guide 35 excircles, retainer 351, outer retainer 352 and several steel balls 353 in being equipped with in the groove, and steel ball 353 is isolated through interior retainer 351, outer retainer 352.
Between following guide holder 32 and the lifter plate 213 spring 214 is housed, and along the circumferential direction is uniformly distributed with eight; Spring 214 is in tension state, contacts with certain fixed edge of lifter plate 213 gathering sills all the time to guarantee pushing block 223.
The method for using of this device is specific as follows:
When the piston rod of double-acting cylinder 211 moves downward; Connecting plate 212 drives lifter plate 213 and moves downward, and under the effect of lifter plate 213 lozenges, pushing block 223 is along the slippage of wedge shape gathering sill; And promote push rod 222 along the pilot hole direction of upper branching holder 221 with 224 formation of lower support seat; Outwards motion, the keeper 11 in self adaptation locator 10 contacts with the inwall of hemispherical junction member, becomes big location requirement to adapt to hemispherical junction member circle diameter.
In like manner; When the piston rod of double-acting cylinder 211 moved upward, connecting plate 212 drove lifter plate 213 and moves upward, under the effect of lifter plate 213 lozenges; Pushing block 223 is along the slippage of wedge shape gathering sill; Under the double action of T type groove/boss auxiliary connection and spring 225, the pilot hole direction that push rod 222 forms along upper branching holder 221 and lower support seat 224, motion to the inside; Keeper 11 in self adaptation locator 10 contacts with the inwall of hemispherical junction member, to adapt to the location requirement that hemispherical junction member circle diameter diminishes.
Claims (8)
1. positioner that is used for the girth welding of hemispherical junction member; Comprise self adaptation locator (10), diameter changing mechanism (20) and pedestal (30); It is characterized in that; Said pedestal (30) comprises guide holder (31), following guide holder (32), column (33), lining (34) and the axis of guide (35), and an end of said column (33) is installed in down on the guide holder (32), and the other end is equipped with the said guide holder (31) of going up; Said lining (34) press fit in guide holder (31) and the following guide holder (32), and constitutes two supportings, and the said axis of guide (35) is installed in two supportings; Described diameter changing mechanism (20) comprises vertical lifting module (21) and the flexible module (22) of level; Said vertical lifting module (21) comprises double-acting cylinder (211), connecting plate (212) and lifter plate (213); Said connecting plate (212) is fixed tightly on the output shaft of double-acting cylinder (211) through double nut; Said lifter plate (213) is positioned on the connecting plate (212), and fixing through pin, screw and connecting plate (212); Said lifter plate (213) is sleeved on the described axis of guide (35); The described level module (22) of stretching is made up of a plurality of horizontal telescopic units (220); Said horizontal telescopic unit (220) comprises upper branching holder (221), push rod (222), pushing block (223), lower support seat (224) and locking spring (225), and said pushing block (223) is fixed on the rear end of push rod (222); Said push rod (222) is installed in the support holes of upper branching holder (221) and lower support seat (224) composition; The front end of said push rod (222) is fixed with said self adaptation locator (10); Described locking spring (225) is positioned at the annular space between the support holes and push rod (222) shaft shoulder, and is in pressured state; Said lower support seat (224) is distributed on the installation base surface of said guide holder (32) down; The housing face of said lifter plate (213) is inclined wedge-shaped, and is shaped on T-slot on the housing face; The T-shaped boss shape in the end of said pushing block (223); Said pushing block (223) is embedded in the T-slot of said lifter plate (213) housing face.
2. the positioner that is used for the girth welding of hemispherical junction member according to claim 1; It is characterized in that; Said self adaptation locator (10) comprises keeper (11) and bearing pin (12), and said keeper (11) is concave shape, and there are two round boss the end.
3. the positioner that is used for the girth welding of hemispherical junction member according to claim 1; It is characterized in that; Be distributed with four gathering sills on the said axis of guide (35) excircle; Interior retainer (351), outer retainer (352) and several steel balls (353) are installed in the said gathering sill, and said steel ball (353) is isolated through interior retainer (351) and outer retainer (352).
4. the positioner that is used for the girth welding of hemispherical junction member according to claim 1 is characterized in that, the stepped structure of said push rod (222); Said support holes is a shoulder hole.
5. the positioner that is used for the girth welding of hemispherical junction member according to claim 2; It is characterized in that; The end of described push rod (222) front end is shaped on the yi word pattern breach; Circumferencial direction is shaped on a through hole, and said setting element (11) is installed in the front end of push rod (222) through bearing pin (12).
6. the positioner that is used for the girth welding of hemispherical junction member according to claim 1 is characterized in that, the horizontal cross-section of described lifter plate (213) is an octagon.
7. the positioner that is used for the girth welding of hemispherical junction member according to claim 6 is characterized in that, the described level module (22) of stretching is made up of eight horizontal telescopic units (220); Said horizontal telescopic unit (220) is distributed on the installation base surface of said guide holder (32) down through said lower support seat (224).
8. the positioner that is used for the girth welding of hemispherical junction member according to claim 7; It is characterized in that; Between described guide holder (32) down and the lifter plate (213) locking spring (214) is housed, said locking spring (214) is evenly equipped with eight along the circumferencial direction of said lifter plate; Said locking spring (214) is in tension state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101474824A CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101474824A CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102642080A true CN102642080A (en) | 2012-08-22 |
| CN102642080B CN102642080B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101474824A Expired - Fee Related CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
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| CN (1) | CN102642080B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500588A (en) * | 2018-06-06 | 2018-09-07 | 成都惠锋智造科技有限公司 | Saw blade drill holder assembles device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU523781A1 (en) * | 1975-02-24 | 1976-08-05 | Предприятие П/Я В-2120 | Device for assembly for welding of large hemispheres consisting of petals |
| SU525518A1 (en) * | 1974-07-12 | 1976-08-25 | Предприятие П/Я В-2120 | Device for processing edges of spherical petals |
| SU893487A1 (en) * | 1979-07-10 | 1981-12-30 | Всесоюзный Научно-Исследовательский И Проектный Институт Технологии Химического И Нефтяного Аппаратостроения | Plant for pre-weld assembly of semi-spheres from tabs |
| JPH10277737A (en) * | 1997-04-10 | 1998-10-20 | Nippon Steel Corp | Assembling method for spherical tank |
| CN101549446A (en) * | 2009-05-15 | 2009-10-07 | 无锡洲翔成套焊接设备有限公司 | Heavy H-steel automatic assembling machine |
| CN101972895A (en) * | 2010-11-19 | 2011-02-16 | 江苏大学 | Support platform for laser cutting of sheet workpiece |
-
2012
- 2012-05-11 CN CN2012101474824A patent/CN102642080B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU525518A1 (en) * | 1974-07-12 | 1976-08-25 | Предприятие П/Я В-2120 | Device for processing edges of spherical petals |
| SU523781A1 (en) * | 1975-02-24 | 1976-08-05 | Предприятие П/Я В-2120 | Device for assembly for welding of large hemispheres consisting of petals |
| SU893487A1 (en) * | 1979-07-10 | 1981-12-30 | Всесоюзный Научно-Исследовательский И Проектный Институт Технологии Химического И Нефтяного Аппаратостроения | Plant for pre-weld assembly of semi-spheres from tabs |
| JPH10277737A (en) * | 1997-04-10 | 1998-10-20 | Nippon Steel Corp | Assembling method for spherical tank |
| CN101549446A (en) * | 2009-05-15 | 2009-10-07 | 无锡洲翔成套焊接设备有限公司 | Heavy H-steel automatic assembling machine |
| CN101972895A (en) * | 2010-11-19 | 2011-02-16 | 江苏大学 | Support platform for laser cutting of sheet workpiece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500588A (en) * | 2018-06-06 | 2018-09-07 | 成都惠锋智造科技有限公司 | Saw blade drill holder assembles device |
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| CN102642080B (en) | 2013-11-13 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20131113 Termination date: 20160511 |