CN103659139A - Vertical cylinder assembly tool - Google Patents
Vertical cylinder assembly tool Download PDFInfo
- Publication number
- CN103659139A CN103659139A CN201210329437.0A CN201210329437A CN103659139A CN 103659139 A CN103659139 A CN 103659139A CN 201210329437 A CN201210329437 A CN 201210329437A CN 103659139 A CN103659139 A CN 103659139A
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- CN
- China
- Prior art keywords
- drift
- rotating disk
- cylindrical shell
- head screw
- hexagon socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/12—Vessels
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a vertical cylinder assembly tool, and relates to the field of container assembly, in particular to a vertical cylinder assembly tool. In order to overcome the defects that after a cylinder is formed, the circular degree can not meet the requirement, and uniform stability of weld joints is poor. The vertical cylinder assembly tool comprises a machine frame, an iron wedge hydraulic expanding and retracting mechanism, a rotary plate, a rotation driving mechanism and a turning mechanism, wherein the iron wedge hydraulic expanding and retracting mechanism is connected with the machine frame and the rotary plate, the rotation driving mechanism is connected with the rotary plate and used for driving the rotary plate and the iron wedge hydraulic expanding and retracting mechanism to rotate, and the turning mechanism is connected with the machine frame and the iron wedge hydraulic expanding and retracting mechanism. The vertical cylinder assembly tool can not only enable the circular degree of the formed cylinder to meet the requirement, but also improve the quality of the weld joints, enable the weld joints to be uniform and stable, and be easy to polish.
Description
Technical field
The present invention relates to container assembling field, particularly a kind of vertical cylindrical shell assembly tooling.
Background technology
The assembly process that can relate to cylindrical shell in the process of tank body processing, after cylindrical shell moulding, circularity does not reach requirement.Be all the welding of end socket being alignd with cylindrical shell by manual amendment at present, assembling process is very difficult, and produced simultaneously problem is that the stable homogeneous of weld seam is poor, is difficult for polishing.
Summary of the invention
For circularity after solving cylindrical shell moulding does not reach the requirement deficiency poor with weld seam stable homogeneous, the invention provides a kind of vertical cylindrical shell assembly tooling, it not only can make the circularity of moulding rear cylinder body meet the demands, and can also improve the quality of weld seam, make weld seam stable homogeneous, be easy to polishing.
In order to address the above problem, the invention provides a kind of vertical cylindrical shell assembly tooling, described vertical cylindrical shell assembly tooling comprises: frame;
The drift fluid pressure type expansion mechanism being connected with described frame;
The rotating disk being connected with described drift fluid pressure type expansion mechanism;
The rotary drive mechanism for driving described rotating disk and described drift fluid pressure type expansion mechanism to rotate being connected with described rotating disk;
The switching mechanism being connected with described frame and described drift fluid pressure type expansion mechanism.
Preferably, described drift fluid pressure type expansion mechanism is provided with main shaft, two covers overlap the rubber blanket circumferentially distributing along main shaft, the scuffing of inner barrel when described rubber blanket is used for avoiding harmomegathus along drift assembly, the first hydraulic cylinder, the first hydraulic cylinder seat, the roller assembly, at least two of main shaft axial distribution.
Described drift assembly comprises adjusting seat, drift and fagging.
Preferably, described fagging is connected by hexagon socket cap head screw with drift, and described fagging is at least two covers, and described fagging is circular arc, and all described faggings can piece together a complete circle.
Described roller assembly comprises deep groove ball bearing, fixed axis, shaft end ring, hexagon socket cap head screw.
Described fixed axis two ends are all connected with deep groove ball bearing, shaft end ring, hexagon socket cap head screw, the hole interference fit on described fixed axis and drift.
Described roller assembly is at least quadruplet, and two covers form a pair of, lays respectively at the both sides up and down of rotating disk.
Preferably, described rotating disk is circular, and described rotating disk is welded by plectane, arc plate and stiffener.
Preferably, described rotary drive mechanism is comprised of variable-frequency motor, variable-frequency electric support, gear, revolution support, bearing block.
Described variable-frequency motor is connected with variable-frequency electric support, described variable-frequency electric support is connected by hexagon socket cap head screw with described bearing block, described gear is connected with variable-frequency motor by flat key, and described revolution support is nibbled merga pass hexagon socket cap head screw with gear and is connected with rotating disk.
Described bearing block supports and is connected with described revolution with the first hydraulic cylinder seat respectively.
Preferably, described switching mechanism is comprised of the second hydraulic cylinder, rolling bearing units, connecting axle.
Described second hydraulic cylinder one end is connected with bearing block with the frame other end, and two ends connect all passes through hinge.
Described rolling bearing units are connected with frame by hexagon socket cap head screw.
Described connecting axle one end is connected with described rolling bearing units, and the other end is connected with bearing block by hexagon socket cap head screw.
Described frame is comprised of H steel and Plate Welding.
The beneficial effect that the present invention has is: after cylindrical shell moulding, by shaping of the present invention and upset, make the assembly process of cylindrical shell become easy.By rotary drive mechanism of the present invention, realize the rotation after cylindrical shell assembling, rotating speed homogeneous, easily guarantees the stable homogeneous of weld seam to be easy to polishing.
Accompanying drawing explanation
Fig. 1 is the outline drawing of the vertical cylindrical shell assembly tooling of the present invention;
Fig. 2 is the top view of the vertical cylindrical shell assembly tooling of the present invention;
Fig. 3 is roller assembly;
Fig. 4 is the left view of the vertical cylindrical shell assembly tooling of the present invention;
Fig. 5 is the front view of the vertical cylindrical shell assembly tooling of the present invention;
Fig. 6 is the II portion enlarged drawing of front view shown in Fig. 5;
Fig. 7 is the I portion enlarged drawing of front view shown in Fig. 5;
Fig. 8 is the III portion enlarged drawing of outline drawing shown in Fig. 1.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 5, Fig. 6, Fig. 7, the invention provides a kind of vertical cylindrical shell assembly tooling, comprising: frame;
The drift fluid pressure type expansion mechanism being connected with described frame;
The rotating disk being connected with described drift fluid pressure type expansion mechanism;
The rotary drive mechanism for driving described rotating disk and described drift fluid pressure type expansion mechanism to rotate being connected with described rotating disk;
The switching mechanism being connected with described frame and described drift fluid pressure type expansion mechanism.
Described drift fluid pressure type expansion mechanism, as shown in Fig. 3, Fig. 6, Fig. 7, comprising: rubber blanket 4, fixed disk 5, pull bar 6, main shaft 7, adjusting seat 8, drift 9, fagging 10, roller assembly 11, the first hydraulic cylinder 12, the first hydraulic cylinder seat 13, deep groove ball bearing 25, fixed axis 26, shaft end ring 27, hexagon socket cap head screw 28.
Described drift fluid pressure type expansion mechanism is provided with the rubber blanket 4 that main shaft 7, two covers circumferentially distribute along main shaft along drift assembly, the first hydraulic cylinder 12, the first hydraulic cylinder seat 13, roller assembly 11, at least two covers of main shaft axial distribution, the scuffing of described rubber blanket 4 inner barrel when avoiding harmomegathus.
Described drift assembly comprises adjusting seat 8, drift 9 and fagging 10.
Described fagging 10 is connected by hexagon socket cap head screw with drift 9, and described fagging 10 is at least two covers, and described fagging 10 is circular arc, and all described faggings 10 can piece together a complete circle.
Described roller assembly 11 comprises deep groove ball bearing 25, fixed axis 26, shaft end ring 27, hexagon socket cap head screw 28.
Described fixed axis 26 two ends are all connected with deep groove ball bearing 25, shaft end ring 27, hexagon socket cap head screw 28, the hole interference fit on described fixed axis 26 and drift 9.
Described roller assembly 11 is at least quadruplet, and two covers form a pair of, lays respectively at the both sides up and down of rotating disk 1.
The practical work process of described drift fluid pressure type expansion mechanism is as described below: the first hydraulic cylinder 12 drives pull bars 6 motions, and pull bar 6 drives adjusting seats 8 endwisely slipping with respect to main shaft 7 by fixed disk 5.Owing to being arranged on the restriction of axially-movable of 11 pairs of drifts 9 of roller assembly of drift 9 ends, fagging 10, rubber blanket 4 can not be produced with respect to the endwisely slipping of main shaft 7, and can only radially sliding along main shaft 7.In sum, adjusting seat 8 makes the distance between fagging 10, rubber blanket 4 and main shaft reduce or increase along the slip of main shaft 7.
As shown in Figure 1, described rotating disk 1 is circular, and described rotating disk is welded by plectane, arc plate and stiffener.
Described rotary drive mechanism, as shown in Fig. 1, Fig. 6, Fig. 8, comprising: bearing block 14, variable-frequency electric support 16, revolution support 17, gear 18, flat key 19, variable-frequency motor 20.
Described rotary drive mechanism is comprised of variable-frequency motor 20, variable-frequency electric support 16, gear 18, revolution support 17, bearing block 14.
Described variable-frequency motor 20 is connected with variable-frequency electric support 16, described variable-frequency electric support 16 is connected by hexagon socket cap head screw with bearing block 14, described gear 18 is connected with variable-frequency motor 20 by flat key 19, described revolution is supported 17 outer rings and is nibbled merga pass hexagon socket cap head screw with gear 18 and be connected with rotating disk 1, and revolution is supported 17 inner rings and is connected by hexagon socket cap head screw with bearing block 14.
Described bearing block 14 supports 17 with the first hydraulic cylinder seat 13 and revolution respectively and is connected.
The practical work process of described rotary drive mechanism is as described below: variable-frequency motor 20 rotates by flat key 19 driven wheels 18, gear 18 drives with the revolution of its engagement and supports 17 outer ring rotatings, owing to turning round support 17 outer rings and rotating disk 1, be integrally connected, therefore rotating disk 1 can rotate thereupon, rotating disk 1 is connected by flat key with main shaft, thereby drives main shaft and whole drift fluid pressure type expansion mechanism rotation except the first hydraulic cylinder 12, the first hydraulic cylinder seat 13.
Described switching mechanism, as shown in Fig. 1, Fig. 4, Fig. 6, comprising: the second hydraulic cylinder 2, bearing block 14, hinge 15, rolling bearing units 21, connecting axle 22, frame 23, hinge 24.
Described switching mechanism is comprised of the second hydraulic cylinder 2, rolling bearing units 21, connecting axle 22;
Described the second hydraulic cylinder 2 one end and frame 23, the other end is connected with bearing block 14, and two ends connect all by hinge 15, hinge 24;
Described rolling bearing units 21 are connected with frame 23 by hexagon socket cap head screw;
Described connecting axle 22 one end are connected with described rolling bearing units 21, and the other end is connected with bearing block 14 by hexagon socket cap head screw;
Described frame 23 is comprised of H steel and Plate Welding.
The practical work process of described switching mechanism is as described below: the second hydraulic cylinder 2 is flexible, by hinge 15, drives bearing blocks 14 motions, due to the restriction of 21 pairs of bearing blocks 14 of rolling bearing units at bearing block 14 two ends, makes them can only be around rolling bearing units 21 upsets.Because whole drift fluid pressure type expansion mechanism, rotating disk 1, rotary drive mechanism are all fixed on bearing block 14, therefore they can be along with bearing block 14 be together around rolling bearing units 21 upsets.
The vertical cylindrical shell assembly tooling of the present invention is under the effect of control system, and practical work process is as follows:
(1) second hydraulic cylinder 2 retraction, by the effect of switching mechanism, by drift fluid pressure type expansion mechanism, rotating disk 1, rotary drive mechanism turn to is the position of 90 ° with position as shown in Figure 1.
(2) first hydraulic cylinders 12 stretch out, the face of cylinder reduced that fagging 10, rubber blanket 4 are formed.Cylindrical shell after moulding is inserted in the face of cylinder, and leans against on rotating disk 1.
(3) first hydraulic cylinder 12 retractions, the face of cylinder diameter that fagging 10, rubber blanket 4 are formed increases, and by the cylindrical shell tensioner after moulding, thereby reaches the object that improves cylinder roundness.
(4) second hydraulic cylinders 2 stretch out, by the effect of switching mechanism, by drift fluid pressure type expansion mechanism, rotating disk 1, rotary drive mechanism turn to as the position of Fig. 1.
(5) by end socket and cylindrical shell spot welding assembling, start variable-frequency motor 20, drive rotating disk 1 and the rotation of the drift fluid pressure type expansion mechanism except the first hydraulic cylinder 12, the first hydraulic cylinder seat 13, by craft or automatic welding welded seam.
(6) first hydraulic cylinders 12 stretch out, and the face of cylinder reduced that fagging 10, rubber blanket 4 are formed, takes off the Cylinder and end socket after welding.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to the scope of protection of the invention.
Claims (5)
1. vertical cylindrical shell assembly tooling, is characterized in that, described vertical cylindrical shell assembly tooling comprises: frame;
The drift fluid pressure type expansion mechanism being connected with described frame;
The rotating disk being connected with described drift fluid pressure type expansion mechanism;
The rotary drive mechanism for driving described rotating disk and described drift fluid pressure type expansion mechanism to rotate being connected with described rotating disk;
The switching mechanism being connected with described frame and described drift fluid pressure type expansion mechanism.
2. vertical cylindrical shell assembly tooling according to claim 1, it is characterized in that, described drift fluid pressure type expansion mechanism is provided with main shaft, two covers overlap the rubber blanket circumferentially distributing along main shaft, the scuffing of inner barrel when described rubber blanket is used for avoiding harmomegathus along drift assembly, the first hydraulic cylinder, the first hydraulic cylinder seat, the roller assembly, at least two of main shaft axial distribution;
Described drift assembly comprises adjusting seat, drift and fagging;
Described fagging is connected by hexagon socket cap head screw with drift, and described fagging is at least two covers, and described fagging is circular arc, and all described faggings can piece together a complete circle;
Described roller assembly comprises deep groove ball bearing, fixed axis, shaft end ring, hexagon socket cap head screw;
Described fixed axis two ends are all connected with deep groove ball bearing, shaft end ring, hexagon socket cap head screw, the hole interference fit on described fixed axis and drift;
Described roller assembly is at least quadruplet, and two covers form a pair of, lays respectively at the both sides up and down of rotating disk.
3. vertical cylindrical shell assembly tooling according to claim 1, is characterized in that, described rotating disk is circular, and described rotating disk is welded by plectane, arc plate and stiffener.
4. vertical cylindrical shell assembly tooling according to claim 1, is characterized in that, described rotary drive mechanism is comprised of variable-frequency motor, variable-frequency electric support, gear, revolution support, bearing block;
Described variable-frequency motor is connected with variable-frequency electric support, described variable-frequency electric support is connected by hexagon socket cap head screw with described bearing block, described gear is connected with variable-frequency motor by flat key, and described revolution support is nibbled merga pass hexagon socket cap head screw with gear and is connected with rotating disk;
Described bearing block supports and is connected with described revolution with the first hydraulic cylinder seat respectively.
5. vertical cylindrical shell assembly tooling according to claim 1, is characterized in that, described switching mechanism is comprised of the second hydraulic cylinder, rolling bearing units, connecting axle;
Described second hydraulic cylinder one end is connected with bearing block with the frame other end, and two ends connect all passes through hinge;
Described rolling bearing units are connected with frame by hexagon socket cap head screw;
Described connecting axle one end is connected with described rolling bearing units, and the other end is connected with bearing block by hexagon socket cap head screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210329437.0A CN103659139A (en) | 2012-09-08 | 2012-09-08 | Vertical cylinder assembly tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210329437.0A CN103659139A (en) | 2012-09-08 | 2012-09-08 | Vertical cylinder assembly tool |
Publications (1)
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CN103659139A true CN103659139A (en) | 2014-03-26 |
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Family Applications (1)
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CN201210329437.0A Pending CN103659139A (en) | 2012-09-08 | 2012-09-08 | Vertical cylinder assembly tool |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106826066A (en) * | 2017-03-20 | 2017-06-13 | 中国船舶重工集团公司第七六研究所 | A kind of column steel plate automatic assembling apparatus |
CN110421311A (en) * | 2019-08-14 | 2019-11-08 | 长沙华恒机器人系统有限公司 | A kind of welding tooling, automatic assembly welding device |
WO2020108314A1 (en) * | 2018-11-30 | 2020-06-04 | 苏州科图水处理设备有限公司 | Full-automatic hot-melt welding device |
US10845778B2 (en) | 2017-03-30 | 2020-11-24 | Lincoln Global, Inc. | Workpiece positioner and welding sequencer |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5171243A (en) * | 1974-12-17 | 1976-06-19 | Mitsubishi Electric Corp | JIDOYOSETSUSOCHI |
JPH02160168A (en) * | 1988-12-14 | 1990-06-20 | Mitsubishi Heavy Ind Ltd | Production of joint of thin pipe |
JPH06254677A (en) * | 1993-02-19 | 1994-09-13 | Mitsui Miike Mach Co Ltd | Welding method for long size cylindrical body inside using long size torch |
CN1966200A (en) * | 2006-11-16 | 2007-05-23 | 华中科技大学 | Welding jig for welding cylinder |
CN201432174Y (en) * | 2009-06-08 | 2010-03-31 | 上海泰胜(东台)电力工程机械有限公司 | Device for welding and assembling tower drum body and flange |
CN201603972U (en) * | 2010-02-10 | 2010-10-13 | 德阳川广机械有限公司 | Welding tool for mixing drum of concrete mixer |
CN202825096U (en) * | 2012-09-08 | 2013-03-27 | 山东中德设备有限公司 | Vertical type cylinder assembly tool |
-
2012
- 2012-09-08 CN CN201210329437.0A patent/CN103659139A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5171243A (en) * | 1974-12-17 | 1976-06-19 | Mitsubishi Electric Corp | JIDOYOSETSUSOCHI |
JPH02160168A (en) * | 1988-12-14 | 1990-06-20 | Mitsubishi Heavy Ind Ltd | Production of joint of thin pipe |
JPH06254677A (en) * | 1993-02-19 | 1994-09-13 | Mitsui Miike Mach Co Ltd | Welding method for long size cylindrical body inside using long size torch |
CN1966200A (en) * | 2006-11-16 | 2007-05-23 | 华中科技大学 | Welding jig for welding cylinder |
CN201432174Y (en) * | 2009-06-08 | 2010-03-31 | 上海泰胜(东台)电力工程机械有限公司 | Device for welding and assembling tower drum body and flange |
CN201603972U (en) * | 2010-02-10 | 2010-10-13 | 德阳川广机械有限公司 | Welding tool for mixing drum of concrete mixer |
CN202825096U (en) * | 2012-09-08 | 2013-03-27 | 山东中德设备有限公司 | Vertical type cylinder assembly tool |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106826066A (en) * | 2017-03-20 | 2017-06-13 | 中国船舶重工集团公司第七六研究所 | A kind of column steel plate automatic assembling apparatus |
US10845778B2 (en) | 2017-03-30 | 2020-11-24 | Lincoln Global, Inc. | Workpiece positioner and welding sequencer |
WO2020108314A1 (en) * | 2018-11-30 | 2020-06-04 | 苏州科图水处理设备有限公司 | Full-automatic hot-melt welding device |
CN110421311A (en) * | 2019-08-14 | 2019-11-08 | 长沙华恒机器人系统有限公司 | A kind of welding tooling, automatic assembly welding device |
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Application publication date: 20140326 |