CN104308408B - Beam welding production line automatic welder(welding machine) - Google Patents

Beam welding production line automatic welder(welding machine) Download PDF

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Publication number
CN104308408B
CN104308408B CN201410573751.2A CN201410573751A CN104308408B CN 104308408 B CN104308408 B CN 104308408B CN 201410573751 A CN201410573751 A CN 201410573751A CN 104308408 B CN104308408 B CN 104308408B
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Prior art keywords
axis transmission
assembly
mounting plate
upper mounting
axis
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CN104308408A (en
Inventor
吴信保
方长海
张盛
周军记
陈飞
朱越来
杨念记
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Wuxi Hualian Science and Technology Group Co Ltd
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Wuxi Hualian Science and Technology Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/006Safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/28Beams

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The present invention relates to a kind of beam welding production line automatic welder(welding machine), comprise door frame assembly, the structure of described door frame assembly is: comprise horizontally disposed upper mounting plate, column is connected to below the both ends of described upper mounting plate, be separately installed with guardrail above the both ends of described upper mounting plate, be positioned at upper mounting plate one end and also cat ladder be installed; Two columns are separately installed with ground crossbeam assembly, the bottom of described ground crossbeam assembly is provided with the walking rail assembly of walking about along it, and the two ends of described ground crossbeam assembly are also provided with anti-collision human release mechanism; The inner side of described upper mounting plate is also provided with two assembly welding arm cross travel mechanisms; Be positioned on two columns and upper mounting plate and energy supply system is installed.Structure of the present invention is simple, compact, reasonable, and transmission accuracy is high, easy to use and flexible, can play robot automation to greatest extent and weld efficiency, greatly reduce labor strength, both improve welding quality, turn improve welding efficiency.

Description

Beam welding production line automatic welder(welding machine)
Technical field
The present invention relates to mechanical equipment technical field, especially a kind of in crossbeam is produced, for back-shaped plate and base plate, back-shaped plate and side plate and the beam welding production line automatic welder(welding machine) of automatic welding between side plate and base plate.
Background technology
Along with the fast development of China's bridging, harbour machinery industry, for the welding of box crossbeam also progressively by manually developing to automatic welding.This change highlights all the more present stage China relatively lagging behind for box beam welding equipment, in order to meet growth requirement, should improve welding quality, improve welding efficiency again.
In prior art, generally adopt human weld.There is welding quality instability in human weld, welding efficiency is low, and welding material waste is large, and production cost is high.
Summary of the invention
The applicant, for the shortcoming in above-mentioned existing production technology, provides a kind of beam welding production line automatic welder(welding machine) rational in infrastructure, thus improves welding quality, improves welding efficiency, and welding material waste is low.
The technical solution adopted in the present invention is as follows:
A kind of beam welding production line automatic welder(welding machine), comprise door frame assembly, the structure of described door frame assembly is: comprise horizontally disposed upper mounting plate, column is connected to below the both ends of described upper mounting plate, be separately installed with guardrail above the both ends of described upper mounting plate, be positioned at upper mounting plate one end and also cat ladder be installed; Two columns are separately installed with ground crossbeam assembly, the bottom of described ground crossbeam assembly is provided with the walking rail assembly of walking about along it, and the two ends of described ground crossbeam assembly are also provided with anti-collision human release mechanism; The inner side of described upper mounting plate is also provided with two assembly welding arm cross travel mechanisms; Be positioned on two columns and upper mounting plate and energy supply system is installed.
Further improvement as technique scheme:
The structure of described ground crossbeam assembly is: comprise ground crossbeam, the below of described ground crossbeam is provided with the road wheel assembly slided along walking rail assembly, the top, two ends of described ground crossbeam is separately installed with crash cushions, the bottom, two ends of described ground crossbeam is separately installed with guide wheel assemblies, and the outside axle of X-axis transmission is installed in the one end being positioned at ground crossbeam;
The structure of described Han Bei cross travel mechanism is: be provided with Y-axis transmission linear slide rail inside described upper mounting plate, the lower end of described Y-axis transmission linear slide rail is provided with Y-axis driving rack, described Y-axis transmission linear slide rail is connected with Y-axis retainer, described Y-axis retainer is installed the outside axle of Y-axis transmission, described Y-axis driving rack is connected with the gear on the axle of Y-axis transmission outside; The top of described Y-axis retainer is connected with Z-axis transmission seat, described Z-axis transmission seat is provided with the outside axle of Z-axis transmission; Also comprise Z-axis transmission arm, described Z-axis transmission arm installs Z-axis transmission linear slide rail, described Z-axis transmission linear slide rail is provided with Z-axis transmission tooth bar, the gear on the outside axle of described Z-axis transmission tooth bar and Z-axis transmission is connected;
The structure of described energy supply system is: the outside of described column is separately installed with lower platform, and described column is also provided with cable drum and gas tube reel; Be positioned on upper mounting plate and upper brace and gas collecting apparatus are also installed;
The structure of described walking rail assembly is: comprise guide rail accessory, and the two ends of described guide rail accessory are installed with guide rail respectively, is provided with X-axis and drives tooth bar below described guide rail accessory sidepiece;
The structure of described anti-collision human release mechanism is: comprise Connection Block, described Connection Block is provided with travel switch by securing member, described Connection Block is provided with the first rotating shaft and the second rotating shaft, one end of described first rotating shaft and the second rotating shaft is by end cap and screw fastening, described first rotating shaft is connected pivoted housing with the other end of the second rotating shaft through after Connection Block, and described pivoted housing is provided with crash bar.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, compact, reasonable, and transmission accuracy is high, easy to use and flexible, can play robot automation to greatest extent and weld efficiency, greatly reduce labor strength, both improve welding quality, turn improve welding efficiency.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the front view of the present invention ground crossbeam assembly.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is the full sectional view along A-A cross section in Fig. 4.
Fig. 7 is the front view of door frame assembly of the present invention.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is Han Bei cross travel mechanism of the present invention front view.
Figure 10 is the side view of Fig. 9.
Figure 11 is the top view of Fig. 9.
Figure 12 is the front view of energy supply system of the present invention.
Figure 13 is the side view of Figure 12.
Figure 14 is that the present invention walks the front view of rail assembly.
Figure 15 is the top view of Figure 14.
Figure 16 is the side view (full sectional view) of Figure 14.
Figure 17 is the front view of anti-collision human release mechanism of the present invention.
Figure 18 is the side view of Figure 17.
Figure 19 is the full sectional view along B-B cross section in Figure 17.
Wherein: the back-shaped plate of a, crossbeam; B, crossbeam base plate; C, side plate of crossbeam; 1, crossbeam assembly; 101, guide wheel assemblies; 102, the outside axle of X-axis transmission; 103, crossbeam; 104, road wheel assembly; 105, crash cushions; 2, door frame assembly; 201, column; 202, guardrail; 203, upper mounting plate; 204, cat ladder; 3, Han Bei cross travel mechanism; 301, Z-axis transmission arm; 302, Y-axis retainer; 303, the outside axle of Y-axis transmission; 304, Y-axis driving rack; 305, Y-axis transmission linear slide rail; 306, the outside axle of Z-axis transmission; 307, Z-axis transmission seat; 308, Z-axis transmission linear slide rail; 309, Z-axis transmission tooth bar; 4, energy supply system; 401, lower platform; 402, cable drum; 403, gas tube reel; 404, upper brace; 405, gas collecting apparatus; 5, walking rail assembly; 501, guide rail; 502, guide rail accessory; 503, X-axis drives tooth bar; 6, anti-collision human release mechanism; 601, travel switch; 602, Connection Block; 603, crash bar; 604, pivoted housing; 605, the first rotating shaft; 606, the second rotating shaft; 607, end cap; 608, screw.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 2 and Figure 3, the beam welding production line automatic welder(welding machine) of the present embodiment, being mainly used in welded structure is: the back-shaped plate a of crossbeam, the bottom welding crossbeam base plate b of the both sides welding beam side plate c of the back-shaped plate a of crossbeam, the back-shaped plate a of crossbeam.
Comprise door frame assembly 2, the structure of door frame assembly 2 is: comprise horizontally disposed upper mounting plate 203, be connected to column 201 below the both ends of upper mounting plate 203, above the both ends of upper mounting plate 203, be separately installed with guardrail 202, be positioned at upper mounting plate 203 one end and cat ladder 204 is also installed; Two columns 201 are separately installed with ground crossbeam assembly 1, the bottom of ground crossbeam assembly 1 is provided with the walking rail assembly 5 of walking about along it, and the two ends of ground crossbeam assembly 1 are also provided with anti-collision human release mechanism 6; The inner side of upper mounting plate 203 is also provided with two assembly welding arm cross travel mechanisms 3; Be positioned on two columns 201 and upper mounting plate 203 and energy supply system 4 is installed.
As shown in Figure 4, Figure 5 and Figure 6, the structure of ground crossbeam assembly 1 is: comprise ground crossbeam 103, the below of ground crossbeam 103 is provided with the road wheel assembly 104 slided along walking rail assembly 5, the top, two ends of ground crossbeam 103 is separately installed with crash cushions 105, the bottom, two ends of ground crossbeam 103 is separately installed with guide wheel assemblies 101, and the outside axle 102 of X-axis transmission is installed in the one end being positioned at ground crossbeam 103.
The structure of Han Bei cross travel mechanism 3 is: be provided with Y-axis transmission linear slide rail 305 inside upper mounting plate 203, the lower end of Y-axis transmission linear slide rail 305 is provided with Y-axis driving rack 304, Y-axis transmission linear slide rail 305 is connected with Y-axis retainer 302, Y-axis retainer 302 is installed the outside axle 303 of Y-axis transmission, Y-axis driving rack 304 is connected with the gear on the outside axle 303 of Y-axis transmission; The top of Y-axis retainer 302 is connected with Z-axis transmission seat 307, Z-axis transmission seat 307 is provided with the outside axle 306 of Z-axis transmission; Also comprise Z-axis transmission arm 301, Z-axis transmission arm 301 is installed Z-axis transmission linear slide rail 308, Z-axis transmission linear slide rail 308 is provided with Z-axis transmission tooth bar 309, Z-axis transmission tooth bar 309 is connected with the gear on the outside axle 306 of Z-axis transmission.Under the driving of the outside axle 306 of Z-axis transmission, Z-axis transmission arm 301 can along Z-axis transmission linear slide rail 308 vertical sliding motion, and can with Y-axis retainer 302, along the horizontal slip of Y-axis transmission linear slide rail 305.
The structure of energy supply system 4 is: the outside of column 201 is separately installed with lower platform 401, column 201 is also provided with cable drum 402 and gas tube reel 403; Be positioned on upper mounting plate 203 and upper brace 404 and gas collecting apparatus 405 are also installed.
The structure of walking rail assembly 5 is: comprise guide rail accessory 502, the two ends of guide rail accessory 502 are installed with guide rail 501 respectively, be provided with X-axis below guide rail accessory 502 sidepiece and drive tooth bar 503, X-axis drives the gear on the outside axle 102 of tooth bar 503 and X-axis transmission in mating connection.
The structure of anti-collision human release mechanism 6 is: comprise Connection Block 602, Connection Block 602 is provided with travel switch 601 by securing member, Connection Block 602 is provided with the first rotating shaft 605 and the second rotating shaft 606, one end of first rotating shaft 605 and the second rotating shaft 606 is fastening by end cap 607 and screw 608, first rotating shaft 605 is connected pivoted housing 604 with the other end of the second rotating shaft 606 through after Connection Block 602, pivoted housing 604 is provided with crash bar 603.
Operation principle of the present invention is:
The present invention mainly comprises ground crossbeam assembly 1, door frame assembly 2, Han Bei cross travel mechanism 3, energy supply system 4, walking rail assembly 5 and anti-collision human safeguard construction 6; Ground crossbeam assembly 1 is connected with door frame assembly 2, and door frame assembly 2 left and right sides installs a ground crossbeam assembly 1 respectively.The ground crossbeam assembly 1 of both sides is with walking power, and door frame can be walked along X-axis at walking rail assembly 5.Anti-collision human release mechanism 6 is also respectively equipped with in crossbeam assembly 1 two ends, ground of both sides, and anti-collision human release mechanism 6 is used for moving door frame in startup moment or moving process, when preventing there is people in the direction of movement, causes the injury to people.There are two covers in Han Bei cross travel mechanism 3, is arranged on inside upper mounting plate 203, and door frame direction of travel is staggered front to back; Han Bei cross travel mechanism 3 can realize welding robot and regulate in the outside of Y-axis, Z-direction, increases the welding job scope of welding robot and can ensure its welding precision.Door frame assembly 2 liang of heel posts 201 and upper mounting plate 203 both sides connect energy supply system 4, for equipment provides welding energy.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.

Claims (6)

1. a beam welding production line automatic welder(welding machine), it is characterized in that: comprise door frame assembly (2), the structure of described door frame assembly (2) is: comprise horizontally disposed upper mounting plate (203), column (201) is connected to below the both ends of described upper mounting plate (203), be separately installed with guardrail (202) above the both ends of described upper mounting plate (203), be positioned at upper mounting plate (203) one end and cat ladder (204) is also installed; Two columns (201) are separately installed with ground crossbeam assembly (1), the bottom on described ground crossbeam assembly (1) is provided with the walking rail assembly (5) of walking about along it, and the two ends on described ground crossbeam assembly (1) are also provided with anti-collision human release mechanism (6); The inner side of described upper mounting plate (203) is also provided with two assembly welding arm crosses travel mechanism (3); Be positioned on two columns (201) and upper mounting plate (203) and energy supply system (4) is installed.
2. beam welding production line automatic welder(welding machine) as claimed in claim 1, it is characterized in that: the structure on described ground crossbeam assembly (1) is: comprise ground crossbeam (103), the below of described ground crossbeam (103) is provided with the road wheel assembly (104) slided along walking rail assembly (5), the top, two ends of described ground crossbeam (103) is separately installed with crash cushions (105), the bottom, two ends of described ground crossbeam (103) is separately installed with guide wheel assemblies (101), and the outside axle (102) of X-axis transmission is installed in the one end being positioned at ground crossbeam (103).
3. beam welding production line automatic welder(welding machine) as claimed in claim 1, it is characterized in that: the structure of described Han Bei cross travel mechanism (3) is: described upper mounting plate (203) inner side is provided with Y-axis transmission linear slide rail (305), the lower end of described Y-axis transmission linear slide rail (305) is provided with Y-axis driving rack (304), described Y-axis transmission linear slide rail (305) is connected with Y-axis retainer (302), described Y-axis retainer (302) is upper installs the outside axle (303) of Y-axis transmission, described Y-axis driving rack (304) is connected with the gear on the outside axle (303) of Y-axis transmission, the top of described Y-axis retainer (302) is connected with Z-axis transmission seat (307), described Z-axis transmission seat (307) is provided with the outside axle (306) of Z-axis transmission, also comprise Z-axis transmission arm (301), described Z-axis transmission arm (301) is upper installs Z-axis transmission linear slide rail (308), described Z-axis transmission linear slide rail (308) is provided with Z-axis transmission tooth bar (309), and described Z-axis transmission tooth bar (309) is connected with the gear on the outside axle (306) of Z-axis transmission.
4. beam welding production line automatic welder(welding machine) as claimed in claim 1, it is characterized in that: the structure of described energy supply system (4) is: the outside of described column (201) is separately installed with lower platform (401), described column (201) is also provided with cable drum (402) and gas tube reel (403); Be positioned on upper mounting plate (203) and upper brace (404) and gas collecting apparatus (405) are also installed.
5. beam welding production line automatic welder(welding machine) as claimed in claim 1, it is characterized in that: the structure of described walking rail assembly (5) is: comprise guide rail accessory (502), the two ends of described guide rail accessory (502) are installed with guide rail (501) respectively, be provided with X-axis and drive tooth bar (503) below described guide rail accessory (502) sidepiece.
6. beam welding production line automatic welder(welding machine) as claimed in claim 1, it is characterized in that: the structure of described anti-collision human release mechanism (6) is: comprise Connection Block (602), described Connection Block (602) is provided with travel switch (601) by securing member, described Connection Block (602) is provided with the first rotating shaft (605) and the second rotating shaft (606), one end of described first rotating shaft (605) and the second rotating shaft (606) is fastening by end cap (607) and screw (608), described first rotating shaft (605) is connected pivoted housing (604) with the other end of the second rotating shaft (606) afterwards through Connection Block (602), described pivoted housing (604) is provided with crash bar (603).
CN201410573751.2A 2014-10-24 2014-10-24 Beam welding production line automatic welder(welding machine) Active CN104308408B (en)

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CN105690379A (en) * 2016-03-24 2016-06-22 同济大学 Four-track gantry suspended type double-manipulator collaborative machining system
CN107042367A (en) * 2017-04-05 2017-08-15 山东国丰机械有限公司 A kind of self-propelled corn harvester chassis robot automatic welding line
CN108480826A (en) * 2018-03-29 2018-09-04 江苏新时代造船有限公司 A kind of complexity Zhong Zuli robots compression arc MAG welders
CN108747138A (en) * 2018-05-16 2018-11-06 安徽猎豹汽车有限公司 A kind of automobile body-in-white Welder shelves
CN108422140A (en) * 2018-05-22 2018-08-21 宁波金凤焊割机械制造有限公司 The H profile steel welder that welding gun can interlock
CN115446491A (en) * 2022-10-20 2022-12-09 无锡华联科技集团有限公司 Welding machine of baffle welding robot

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101733593A (en) * 2008-11-06 2010-06-16 上海船舶工艺研究所 Pipe-flange automatic welding equipment
CN102009261A (en) * 2010-05-31 2011-04-13 无锡恒富科技有限公司 Guide rail pressure plate mechanism of numerical control cutting machine
CN204209302U (en) * 2014-10-24 2015-03-18 无锡华联科技集团有限公司 Beam welding production line automatic welder(welding machine)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08174280A (en) * 1994-12-27 1996-07-09 Amada Washino Co Ltd Clamping device for metal plate in working machine for metal plate
KR101845828B1 (en) * 2011-10-11 2018-05-18 대우조선해양 주식회사 Apparatus and method for measuring position of marine container corn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101733593A (en) * 2008-11-06 2010-06-16 上海船舶工艺研究所 Pipe-flange automatic welding equipment
CN102009261A (en) * 2010-05-31 2011-04-13 无锡恒富科技有限公司 Guide rail pressure plate mechanism of numerical control cutting machine
CN204209302U (en) * 2014-10-24 2015-03-18 无锡华联科技集团有限公司 Beam welding production line automatic welder(welding machine)

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