CN106695063A - Automatic welding technological method of rack of marine diesel engine - Google Patents
Automatic welding technological method of rack of marine diesel engine Download PDFInfo
- Publication number
- CN106695063A CN106695063A CN201611243663.1A CN201611243663A CN106695063A CN 106695063 A CN106695063 A CN 106695063A CN 201611243663 A CN201611243663 A CN 201611243663A CN 106695063 A CN106695063 A CN 106695063A
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- Prior art keywords
- welding
- groove
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- positioner
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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
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
Abstract
The invention provides an automatic welding technological method of a rack of a marine diesel engine. The method specifically comprises the following steps: correspondingly positioning, welding, connecting and assembling two ends of a triangular tube plate with a guide plate and a wing plate; hoisting an assembled workpiece to be above a positioning machine to assemble, and treating positioned welding; compositing robot program according to the structure design of the workpiece and the welding technology; and then performing the robot program to achieve double-robot symmetric automatic welding. According to the method, the automatic multi-layer multi-time welding of all triangular tube plates can be finished through a double-robot symmetric welding mode on the premise that the positioning machine can rotate, thus the operation process can be simplified, the production cost is decreased, and the production efficiency is greatly improved.
Description
Technical field
The present invention relates to the welding procedure of marine diesel part, and in particular to a kind of automatic welding of marine diesel frame
Process is connect, belongs to welding technology field.
Background technology
Marine diesel is referred to as the heart of ship, is important power set in ship.Frame is the main of diesel engine
Part, occupies considerable status in diesel engine manufacture, and the level of the manufacturing process of diesel engine part directly affects life
Produce efficiency and quality.
The big-and-middle-sized low-speed diesel engine frame of B＆W types is by assembling, being welded, wherein single frame by various parts
Have 4 pieces of triangle tube sheets on component, triangle tube sheet respectively with guide plate, wing plate assembly connection, 8 groups of grooves are formed altogether, groove position is answered
It is miscellaneous, it is necessary to change the location of workpiece with ensure welding feasibility.Because the thickness of steel plate is larger, workpiece volume is larger, processes matter
Amount requires high, and processing technology is complicated, therefore, it is necessary to by improve the manufacture level of diesel engine stand and key components and parts come
Improve productivity and quality.
At present, the triangle Tube-sheet Welding of marine diesel frame is realized in the way of rush-harvesting and rush-planting double, and double can
Welded simultaneously, each station need to configure 1~2 operator., it is necessary to pass through lifting to it after the completion of wherein one side is welded
Overturn., it is necessary to by work piece hoisting to another station after the completion of the welding of previous station.As can be seen here, one is welded
The triangle tube sheet of housing assembly both increased the complexity of operation, it is necessary to repeatedly lifted, and extend the production time, and
Consume substantial amounts of human and material resources, financial resources.
The content of the invention
It is an object of the present invention in view of the shortcomings of the prior art, there is provided a kind of automatic welding of marine diesel frame
Process, triangular pipe board rack work piece hoisting to the positioner that will have been assembled go forward side by side luggage folder, using nozzle sensing to workpiece
Carry out seeking track positioning, welding sequence is determined by performing robot program, realize the automation weldering of diesel engine stand triangle tube sheet
Connect.
In order to realize the above object the technical scheme that the present invention is provided is as follows：
A kind of automatic soldering technique method of marine diesel frame, the frame includes triangle tube sheet, guide plate, wing plate and horizontal stroke
Web, it is characterised in that the automatic soldering technique method uses dual robot symmetrical expression bond pattern, specifically includes：
Step S1：Assembling, the two ends of the triangle tube sheet are connected with the guide plate and wing plate by tack welding respectively；It is fixed
Position welding position puts the arcing point and blow-out point for avoiding being located at groove two ends；
Step S2：Clamping, by work piece hoisting to positioner, the cross web to workpiece is fastened, current clamping workpiece
When positioner state representation be E=0 degree；
Step S3：Welding preparation, the two ends to tack welding carry out grinding process, clear up groove, work out robot program；
Step S4：Welding, the automatic welding of symmetrical expression is carried out using dual robot to the triangle tube sheet of workpiece.
Further, in the step S1, the minimum length of the weld seam of tack welding is 75mm, and spacing is 500-1000mm.
Further, in the step S2, positioner can be rotated in ± 360 ° of spatial dimensions.
Further, in the step S3, robot program includes：
Clear rifle cuts a program, and for cutting welding wire, nozzle clearing inwall splashes and outer nozzle wall dirt；
Track finder is sought, using nozzle sensing function, weld seam whole story point is found, clamping workpiece is inaccurate to be caused to make up
Position while welding deviation；
Model weld seam program, for calling pre-defined welding procedure, realizes multi-pass welding.
Further, in the step S4, the automatic welding of dual robot includes：
Step S41：E=0 degree, clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the first groove and the second groove
Bottoming is welded；
Step S42：Positioner rotates 180 degree, now E=180 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
The bottoming welding of the groove of row the 5th and the 6th groove；
Step S43：Positioner is rotated by 90 °, now E=270 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
The backing welding of the groove of row the 3rd and the 4th groove, filling are welded and cosmetic welding, and welding process is continuous；
Step S44：Positioner rotation -180 degree, now E=90 degree, clear rifle cuts silk, and track finder, same stepping are sought in execution
The backing welding of the groove of row the 7th and the 8th groove, filling are welded and cosmetic welding, and welding process is continuous；
Step S45：Positioner is rotated by 90 °, now E=180 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
Filling weldering and the cosmetic welding of the groove of row the 5th and the 6th groove, welding process are continuous；
Step S46：Positioner rotation -180 degree, now E=0 degree, clear rifle cuts silk, and track finder, same stepping are sought in execution
The filling weldering of the groove of row first and the second groove and cosmetic welding, welding process are continuous；
Compared with prior art, the present invention only needs to the process of lifting once, only just completes institute on a station
There is the welding of triangle tube sheet, save space；By the upset of positioner, it is possible to complete workpiece of the clamping on positioner and exist
Welding under four kinds of location status, simplifies operational sequence, greatly reduces the time consumed in hoisting process, saves people
Power, material resources, financial resources.The automatic soldering technique method is welded simultaneously using dual robot symmetrical expression, by nozzle sensing technology
Workpiece is carried out to seek track positioning, multi-pass welding is carried out automatically, be automatically performed clear rifle and cut silk, eliminated and cut welding wire, cleaning splashing
Manual process, reduce the requirement to operating personnel, simplify operational sequence, reduce production cost, greatly increase
Production efficiency, realizes the automatic welding production of diesel engine stand triangle tube sheet.
Brief description of the drawings
Fig. 1 is the front view of marine diesel rack construction.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is welding process flow figure of the invention.
Specific embodiment
Come to make further in detail automatic soldering technique method of the present invention with specific embodiment below in conjunction with the accompanying drawings
Illustrate, but can not be limited the scope of the invention with this.
It is to pass through assembling by parts, be welded to refer to Fig. 1 and the big-and-middle-sized low-speed diesel engine frame of Fig. 2, B＆W type,
Have 4 pieces of triangle tube sheets 12 on wherein single housing assembly, triangle tube sheet 12 respectively with guide plate 10 and the assembly connection of wing plate 11, it is conformal
Into 8 groups of grooves：First groove 1, the second groove 2, the 3rd groove 3, the 4th groove 4, the 5th groove 5, the 6th groove 6, the 7th slope
The groove 8 of mouth 7 and the 8th, two guide plates 10 are connected to the two ends of cross web 9.Because thickness of slab is larger, multi-pass welding is required to.
See Fig. 3, the automatic soldering technique method of marine diesel frame of the present invention uses dual robot symmetrical expression
Bond pattern, specifically includes：
Step S1：Assembling, the two ends of triangle tube sheet 12 are connected with guide plate 10 and wing plate 11 by tack welding respectively；Positioning
Welding position is put and avoids arcing point and blow-out point position (groove two ends), the fusion length requirement minimum 75mm of tack welding, and spacing is
500-1000mm。
Step S2：Clamping, by work piece hoisting to positioner, the cross web 9 to workpiece is fastened；Positioner can ±
Rotated in 360 ° of spatial dimensions, now the state representation of the positioner of clamping workpiece is E=0 degree.
Step S3：Welding preparation, the two ends to tack welding carry out grinding process；Groove is cleared up；If welding first
Wherein the workpiece of certain model, then work out robot program；If there is program, robot program is directly run.The robot
Program includes：
Clear rifle cuts a program, and for cutting welding wire, nozzle clearing inwall splashes and outer nozzle wall dirt；
Track finder is sought, using nozzle sensing function, weld seam whole story point is found, clamping workpiece is inaccurate to be caused to make up
Position while welding deviation；
Model weld seam program, for calling pre-defined welding procedure, realizes multi-pass welding.
Step S4：Welding, performs robot program, and dual robot symmetrical expression carries out automatic welding.
Robot program's execution sequence and welding sequence include：
Step S41：E=0 degree, clear rifle cuts silk, and execution is sought track finder, synchronously carries out the first groove 1 and the second groove 2
Bottoming welding；
Step S42：Positioner rotates 180 degree, now E=180 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
The bottoming welding of the groove 5 of row the 5th and the 6th groove 6；
Step S43：Positioner is rotated by 90 °, now E=270 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
The backing welding of the groove 3 of row the 3rd and the 4th groove 4, filling are welded and cosmetic welding, and welding process is continuous successively；
Step S44：Positioner rotation -180 degree, now E=90 degree, clear rifle cuts silk, and track finder, same stepping are sought in execution
The backing welding of the groove 7 of row the 7th and the 8th groove 8, filling are welded and cosmetic welding, and welding process is continuous successively；
Step S45：Positioner is rotated by 90 °, now E=180 degree, and clear rifle cuts silk, and track finder, same stepping are sought in execution
Filling weldering and the cosmetic welding of the groove 5 of row the 5th and the 6th groove 6, welding process are continuous successively；
Step S46：Positioner rotation -180 degree, now E=0 degree, clear rifle cuts silk, and track finder, same stepping are sought in execution
The filling weldering of row the first groove 1 and the second groove 2 and cosmetic welding, welding process are continuous successively.
In above-mentioned welding process, all of weld seam is in downhand position, so as to ensure welding position.
It is above presently preferred embodiments of the present invention, for persons skilled in the art, without departing substantially from of the invention former
To any obvious equivalent or equivalent modifications done by it on the premise of reason and spirit, this should be all contemplated as falling with
Within invention scope of the claims.
Claims (5)
1. a kind of automatic soldering technique method of marine diesel frame, the frame includes triangle tube sheet, guide plate, wing plate and horizontal abdomen
Plate, it is characterised in that the automatic soldering technique method uses dual robot symmetrical expression bond pattern, specifically includes：
Step S1：Assembling, the two ends of the triangle tube sheet are connected with the guide plate and wing plate by tack welding respectively；Tack welding
Avoid being located at the arcing point and blow-out point at groove two ends in position；
Step S2：Clamping, by work piece hoisting to positioner, the cross web to workpiece is fastened, current clamping workpiece time-varying
The state representation of position machine is E=0 degree；
Step S3：Welding preparation, the two ends to tack welding carry out grinding process, clear up groove, work out robot program；
Step S4：Welding, the automatic welding of symmetrical expression is carried out using dual robot to the triangle tube sheet of workpiece.
2. the automatic soldering technique method of marine diesel frame according to claim 1, it is characterised in that the step
In S1, the minimum length of the weld seam of tack welding is 75mm, and spacing is 500-1000mm.
3. the automatic soldering technique method of marine diesel frame according to claim 1, it is characterised in that the step
In S2, positioner can be rotated in ± 360 ° of spatial dimensions.
4. the automatic soldering technique method of marine diesel frame according to claim 1, it is characterised in that the step
In S3, robot program includes：
Clear rifle cuts a program, and for cutting welding wire, nozzle clearing inwall splashes and outer nozzle wall dirt；
Track finder is sought, using nozzle sensing function, weld seam whole story point is found, to make up the inaccurate weldering for causing of clamping workpiece
Seam position deviation；
Model weld seam program, for calling pre-defined welding procedure, realizes multi-pass welding.
5. the automatic soldering technique method of marine diesel frame according to claim 1, it is characterised in that the step
In S4, the automatic welding of dual robot includes：
Step S41：E=0 degree, clear rifle cuts silk, and execution is sought track finder, synchronously carries out the bottoming of the first groove and the second groove
Welding；
Step S42：Positioner rotates 180 degree, now E=180 degree, and clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the
The bottoming welding of five grooves and the 6th groove；
Step S43：Positioner is rotated by 90 °, now E=270 degree, and clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the
The backing welding of three grooves and the 4th groove, filling are welded and cosmetic welding, and welding process is continuous；
Step S44：Positioner rotation -180 degree, now E=90 degree, clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the
The backing welding of seven grooves and the 8th groove, filling are welded and cosmetic welding, and welding process is continuous；
Step S45：Positioner is rotated by 90 °, now E=180 degree, and clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the
The filling weldering of five grooves and the 6th groove and cosmetic welding, welding process are continuous；
Step S46：Positioner rotation -180 degree, now E=0 degree, clear rifle cuts silk, and track finder is sought in execution, synchronously carries out the
The filling weldering of one groove and the second groove and cosmetic welding, welding process are continuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243663.1A CN106695063A (en) | 2016-12-29 | 2016-12-29 | Automatic welding technological method of rack of marine diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243663.1A CN106695063A (en) | 2016-12-29 | 2016-12-29 | Automatic welding technological method of rack of marine diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106695063A true CN106695063A (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611243663.1A Pending CN106695063A (en) | 2016-12-29 | 2016-12-29 | Automatic welding technological method of rack of marine diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN106695063A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434254A (en) * | 2018-10-25 | 2019-03-08 | 苏州市东望医疗设备有限公司 | The welding procedure of large scale equipment support end cover board |
| CN113478055A (en) * | 2021-07-22 | 2021-10-08 | 中国船舶重工集团柴油机有限公司 | Diesel engine frame single-piece double-face double-arc synchronous gas shield welding process |
Citations (5)
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|---|---|---|---|---|
| GB1379438A (en) * | 1971-02-16 | 1975-01-02 | Babcock & Wilcox Ltd | Metal structures |
| CN1405482A (en) * | 2002-11-11 | 2003-03-26 | 沪东重机股份有限公司 | Low-speed diesel engine frame welding method |
| CN1899751A (en) * | 2005-07-20 | 2007-01-24 | 沪东重机股份有限公司 | Welding method for triangle screw sleeve type machine frame |
| CN102009275A (en) * | 2010-11-03 | 2011-04-13 | 上海交通大学 | Automatic welding system for rack and base of marine diesel engine |
| CN103753064A (en) * | 2013-12-31 | 2014-04-30 | 沪东重机有限公司 | Method for assembling machine frame beam component of marine diesel engine |
-
2016
- 2016-12-29 CN CN201611243663.1A patent/CN106695063A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379438A (en) * | 1971-02-16 | 1975-01-02 | Babcock & Wilcox Ltd | Metal structures |
| CN1405482A (en) * | 2002-11-11 | 2003-03-26 | 沪东重机股份有限公司 | Low-speed diesel engine frame welding method |
| CN1899751A (en) * | 2005-07-20 | 2007-01-24 | 沪东重机股份有限公司 | Welding method for triangle screw sleeve type machine frame |
| CN102009275A (en) * | 2010-11-03 | 2011-04-13 | 上海交通大学 | Automatic welding system for rack and base of marine diesel engine |
| CN103753064A (en) * | 2013-12-31 | 2014-04-30 | 沪东重机有限公司 | Method for assembling machine frame beam component of marine diesel engine |
Non-Patent Citations (1)
| Title |
|---|
| 周方明: "大功率柴油机机架的双机器人焊接技术", 《航空制造技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434254A (en) * | 2018-10-25 | 2019-03-08 | 苏州市东望医疗设备有限公司 | The welding procedure of large scale equipment support end cover board |
| CN109434254B (en) * | 2018-10-25 | 2021-05-11 | 苏州市东望医疗设备有限公司 | Welding process for large-scale equipment supporting end cover plate |
| CN113478055A (en) * | 2021-07-22 | 2021-10-08 | 中国船舶重工集团柴油机有限公司 | Diesel engine frame single-piece double-face double-arc synchronous gas shield welding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |