CN104439779A - Hydraulic cylinder block weld joint welding device with air blowing device - Google Patents
Hydraulic cylinder block weld joint welding device with air blowing device Download PDFInfo
- Publication number
- CN104439779A CN104439779A CN201410643659.9A CN201410643659A CN104439779A CN 104439779 A CN104439779 A CN 104439779A CN 201410643659 A CN201410643659 A CN 201410643659A CN 104439779 A CN104439779 A CN 104439779A
- Authority
- CN
- China
- Prior art keywords
- sliding seat
- tray
- work pieces
- assembly
- slide holder
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000007664 blowing Methods 0.000 title abstract 3
- 238000009434 installation Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/027—Making tubes with soldering or welding
-
- 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
- B23K37/003—Cooling means
-
- 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
- B23K2101/06—Tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a hydraulic cylinder block weld joint welding device with an air blowing device. The hydraulic cylinder block weld joint welding device with the air blowing device comprises a machine frame (1), a front sliding base assembly (42), a rear sliding base assembly (41), a sliding base front-back drive motor (2) and a sliding base left-right drive motor (3). The rear sliding base assembly (41) and the front sliding base assembly (42) are arranged in two separated concave areas (11 and 12) on the machine frame (1) from back to front in a separated mode and are matched with the corresponding concave areas (11 and 12) in a sliding mode. The sliding base front-back drive motor (2) and the sliding base left-right drive motor (3) are both located between the rear sliding base assembly (41) and the front sliding base assembly (42) and fixedly arranged on the machine frame (1).
Description
Technical field
The present invention relates to weld seam welding field, be specially a kind of hydraulic cylinder body seam welding device with blowning installation.
Background technology
The cylinder block of hydraulic cylinder forms owing to adopting steel plate to roll, and therefore has the weld seam of generatrix direction.This weld seam needs to carry out welding processing.
At present, the welding for weld seam often adopts manipulator to carry out, or adopts manual carrying out.This mode processing cost is high, and only processes a workpiece due to each, and production efficiency is lower.
Summary of the invention
The object of this invention is to provide a kind of hydraulic cylinder body seam welding device with blowning installation, it can process multiple workpiece simultaneously, and in process precision and reliability high.
According to aspects of the present invention, a kind of hydraulic cylinder body seam welding device with blowning installation, comprise drive motor and sliding seat left and right drive motor before and after frame, front slide holder assembly, rear sliding seat assembly, sliding seat, to be arranged on dividually before and after described rear sliding seat assembly and described front slide holder assembly in two recess area of separating in described frame and to be slidably matched with corresponding described recess area; Before and after described sliding seat, drive motor and described sliding seat left and right drive motor are fixedly installed in described frame between sliding seat assembly and described front slide holder assembly all in the rear;
Before and after described sliding seat, the front end of drive motor connects with anterior zigzag tread patterns screw rod, rear end connects with rear portion zigzag tread patterns screw rod, described rear portion zigzag tread patterns screw rod coordinates with the nut thread on described rear sliding seat assembly, described anterior zigzag tread patterns screw rod coordinates with the nut thread on described front slide holder assembly, thus when making drive motor rotation before and after described sliding seat, described rear sliding seat assembly and described front slide holder assembly can be made to move on the contrary in the longitudinal direction simultaneously;
Described rear sliding seat assembly and described front slide holder assembly include sliding seat body, described sliding seat body is provided with guide rail in sliding seat, in described sliding seat, guide rail and tray for work pieces connector are slidably matched, the right-hand member of described sliding seat body is provided with bevel gear wheel, the left end of described bevel gear wheel connects to screw rod with left and right in sliding seat, in described sliding seat, left and right coordinates to screw rod with the nut thread in described tray for work pieces connector, the right-hand member of described sliding seat body is also respectively arranged with the front protuberance and rear protuberance that extend to the right in the front and back of described bevel gear wheel, described front protuberance is provided with bevel pinion, described bevel pinion engages with described bevel gear wheel, and the rotation of described bevel pinion is fore-and-aft direction thus orthogonal with the rotation of described bevel gear wheel, described bevel pinion is axially fixed and is arranged on described front protuberance revolvably, the central authorities of described bevel pinion are provided with the through hole of band spline,
Described front slide holder assembly is fixedly connected with rear tray for work pieces with front tray for work pieces respectively with the described tray for work pieces connector of described rear sliding seat assembly, described front tray for work pieces and rear tray for work pieces all for liquid carrying cylinder pressure cylinder body workpiece,
The front end of described sliding seat left and right drive motor drives splined shaft to connect with front left and right, rear end and rear left and right drive splined shaft to connect, described front left and right drives splined shaft to engage with the through hole of the band spline of the bevel pinion in described front slide holder assembly, and the through hole that described front left and right drives the band spline of the bevel pinion in splined shaft and described front slide holder assembly in the axial direction can relative sliding, described rear left and right drives splined shaft to engage with the through hole of the band spline of the bevel pinion in described rear sliding seat assembly, and the through hole that described rear left and right drives the band spline of the bevel pinion in splined shaft and described rear sliding seat assembly in the axial direction can relative sliding, when described sliding seat left and right drive motor rotates, the bevel pinion of described front slide holder assembly and described rear sliding seat assembly can be driven simultaneously to rotate, thus make left and right in the described sliding seat of described front slide holder assembly and described rear sliding seat assembly drive described front tray for work pieces and rear tray for work pieces mobile to the axially rightabout of screw rod in described left and right in respective sliding seat respectively to screw rod,
Described welder also comprises the front welding gun and rear welding gun that are fixedly connected with described frame, and described front welding gun and rear welding gun are respectively used to as the weld seam of the hydraulic cylinder body workpiece in described front tray for work pieces and rear tray for work pieces welds,
Described front tray for work pieces and rear tray for work pieces are provided with blowning installation, described blowning installation comprises bracing frame, and is arranged on the blow head on bracing frame, and connects the appendix of blow head, and the by-pass valve control be arranged on appendix, described blow head is positioned at the top of hydraulic cylinder body workpiece.
Utilize such scheme, owing to having installed workpiece on two tray for work pieces, can synchronously process the workpiece on described two tray for work pieces.And, because two sliding seat assemblies are contrary in the movement direction, therefore, it is possible to offset impact in a longitudinal direction; And due to the movement in a lateral direction of the tray for work pieces in two sliding seat assemblies be also contrary, therefore also can effectively offset impact in the horizontal; And, two welding guns can be utilized simultaneously to carry out weld seam welding processing to the multiple cylinder bodies on two tray for work pieces, while realizing offset impulsive force, improve welding efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of welder of the present invention when not installing tray for work pieces, with the structure of display device better.
Fig. 2 is the schematic diagram of welder after having installed tray for work pieces of Fig. 1, wherein shows the position of welding gun 61,62 in a schematic manner.
Fig. 3 is the running orbit figure of rear tray for work pieces when welding processing of embodiments of the invention;
Fig. 4 is the running orbit figure of front tray for work pieces when welding processing of embodiments of the invention;
Fig. 5 is the structural representation of blowning installation in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As Figure 1-5, a kind of hydraulic cylinder body seam welding device with blowning installation, comprise drive motor 2 and sliding seat left and right drive motor 3 before and after frame 1, front slide holder assembly 42, rear sliding seat assembly 41, sliding seat, to be arranged on dividually before and after described rear sliding seat assembly 41 and described front slide holder assembly 42 in two recess area of separating 11,12 in described frame 1 and to be slidably matched with corresponding described recess area 11,12; Before and after described sliding seat, drive motor 2 and described sliding seat left and right drive motor 3 are fixedly installed between sliding seat assembly 41 and described front slide holder assembly 42 in described frame 1 all in the rear;
Before and after described sliding seat, the front end of drive motor 2 connects with anterior zigzag tread patterns screw rod 22, rear end connects with rear portion zigzag tread patterns screw rod 21, described rear portion zigzag tread patterns screw rod 21 coordinates with the nut thread on described rear sliding seat assembly 41, described anterior zigzag tread patterns screw rod 22 coordinates with the nut thread on described front slide holder assembly 42, thus when making that drive motor 2 rotates before and after described sliding seat, described rear sliding seat assembly 41 and described front slide holder assembly 42 can be made to move on the contrary in the longitudinal direction simultaneously;
Described rear sliding seat assembly 41 and described front slide holder assembly 42 include sliding seat body 53, described sliding seat body 53 is provided with guide rail 531 in sliding seat, in described sliding seat, guide rail 531 and tray for work pieces connector 55 are slidably matched, the right-hand member of described sliding seat body 53 is provided with bevel gear wheel 52, the left end of described bevel gear wheel 52 connects to screw rod 54 with left and right in sliding seat, in described sliding seat, left and right coordinates to screw rod 54 with the nut thread in described tray for work pieces connector 55, the right-hand member of described sliding seat body 53 the front and back of described bevel gear wheel 52 be also respectively arranged with extend to the right before protuberance 59 and rear protuberance 58, described front protuberance 59 is provided with bevel pinion 51, described bevel pinion 51 engages with described bevel gear wheel 52, and the rotation of described bevel pinion 51 is fore-and-aft direction thus orthogonal with the rotation of described bevel gear wheel 52, described bevel pinion 51 axial restraint and be arranged on described front protuberance 59 revolvably, the central authorities of described bevel pinion 51 are provided with the through hole of band spline,
Described front slide holder assembly 42 is fixedly connected with rear tray for work pieces 56 with front tray for work pieces 57 respectively with the described tray for work pieces connector 55 of described rear sliding seat assembly 41, described front tray for work pieces 57 and rear tray for work pieces 56 all for liquid carrying cylinder pressure cylinder body workpiece,
The front end of described sliding seat left and right drive motor 3 drives splined shaft 32 to connect with front left and right, rear end and rear left and right drive splined shaft 31 to connect, described front left and right drives splined shaft 32 to engage with the through hole of the band spline of the bevel pinion 51 in described front slide holder assembly 42, and the through hole that described front left and right drives splined shaft 32 and the band spline of the bevel pinion 51 in described front slide holder assembly 42 in the axial direction can relative sliding, described rear left and right drives splined shaft 31 to engage with the through hole of the band spline of the bevel pinion 51 in described rear sliding seat assembly 41, and the through hole that described rear left and right drives splined shaft 31 and the band spline of the bevel pinion 51 in described rear sliding seat assembly 41 in the axial direction can relative sliding, when described sliding seat left and right drive motor 3 rotates, the bevel pinion 51 of described front slide holder assembly 42 and described rear sliding seat assembly 41 can be driven simultaneously to rotate, thus make left and right in the described sliding seat of described front slide holder assembly 42 and described rear sliding seat assembly 41 drive described front tray for work pieces 57 and rear tray for work pieces 56 mobile to the axially rightabout of screw rod 54 in described left and right in respective sliding seat respectively to screw rod 54,
Described welder also comprises and is fixedly connected with front welding gun 62 and rear welding gun 61 with described frame 1, and described front welding gun 62 and rear welding gun 61 are respectively used to as the weld seam of the hydraulic cylinder body workpiece in described front tray for work pieces 57 and rear tray for work pieces 56 welds,
Described front tray for work pieces 57 and rear tray for work pieces 56 are provided with blowning installation 10, described blowning installation 10 comprises bracing frame 5, and the blow head 6 be arranged on bracing frame 5, and connect the appendix 7 of blow head 6, and the by-pass valve control 8 be arranged on appendix 7, described blow head 6 is positioned at the top of hydraulic cylinder body workpiece, when hydraulic cylinder body workpiece is when carrying out weld job, blowning installation 10 can cool by the weld seam that connects of butt welding, also plays the effect of chip removal.
As shown in Figure 2, front tray for work pieces 57 has been installed two hydraulic cylinder body workpiece 571 and 572, rear tray for work pieces 56 has been installed two hydraulic cylinder body workpiece 561 and 562, its weld seam when welding processing all towards directly over.
During use, described front and back drive motor 2 can drive described two sliding seat assemblies to move in the longitudinal direction rightabout, described left and right drive motor 3 can drive the tray for work pieces in described two sliding seat assemblies to move on the contrary in left upper right, wherein, when described two sliding seat assemblies 41 and 42 move on front and back, described sliding seat body 53 drives the bevel pinion 51 be mounted thereon to move at fore-and-aft direction, be slidably matched with described two splined shafts 31 and 32 simultaneously, thus described two splined shafts 31 and 32 can drive it to rotate while described bevel pinion 51 fore-and-aft direction motion.
As shown in Figure 3-4, while described tray for work pieces drives workpiece motion s, because described welding gun 61,62 and frame 1 are fixed, namely and between welding gun therefore there is relative motion in tray for work pieces.Wherein, the motor pattern of tray for work pieces can be such as follows:
Rear-bank rotor housing workpiece 561 first after processing on tray for work pieces 56 and the front-bank rotor housing workpiece 571 on front tray for work pieces 57, rear tray for work pieces 56 is now made to move from left to right, front tray for work pieces 57 right-to-left motion, thus utilize welding gun butt welded seam to carry out the welding of left and right directions;
Afterwards, rear tray for work pieces 56 is travelled forward, and front tray for work pieces 57 moves backward, welding gun can be processed the front-bank rotor housing workpiece 562 on rear tray for work pieces 56, process the rear-bank rotor housing workpiece 572 on front tray for work pieces 57;
3rd, rear tray for work pieces 56 right-to-left is moved, and front tray for work pieces 57 moves from left to right, thus utilizes welding gun butt welded seam to carry out the welding of left and right directions.
By with upper type, those skilled in the art can make various change according to mode of operation within the scope of the invention.
Claims (1)
1. the hydraulic cylinder body seam welding device with blowning installation, it is characterized in that: comprise drive motor (2) and sliding seat left and right drive motor (3) before and after frame (1), front slide holder assembly (42), rear sliding seat assembly (41), sliding seat, to be arranged on dividually before and after described rear sliding seat assembly (41) and described front slide holder assembly (42) in two recess area of separating (11,12) in described frame (1) and to be slidably matched with corresponding described recess area (11,12); Before and after described sliding seat, drive motor (2) and described sliding seat left and right drive motor (3) are fixedly installed between sliding seat assembly (41) and described front slide holder assembly (42) in described frame (1) all in the rear;
Before and after before described sliding seat, the front end of drive motor (2) connects with anterior zigzag tread patterns screw rod (22), rear end connects with rear portion zigzag tread patterns screw rod (21), described rear portion zigzag tread patterns screw rod (21) coordinates with the nut thread on described rear sliding seat assembly (41), described anterior zigzag tread patterns screw rod (22) coordinates with the nut thread on described front slide holder assembly (42), thus when making drive motor (2) rotation before and after described sliding seat, described rear sliding seat assembly (41) and described front slide holder assembly (42) can be made to move on the contrary in the longitudinal direction simultaneously,
Described rear sliding seat assembly (41) and described front slide holder assembly (42) include sliding seat body (53), described sliding seat body (53) is provided with guide rail in sliding seat (531), in described sliding seat, guide rail (531) and tray for work pieces connector (55) are slidably matched, the right-hand member of described sliding seat body (53) is provided with bevel gear wheel (52), the left end of described bevel gear wheel (52) connects to screw rod (54) with left and right in sliding seat, in described sliding seat, left and right coordinates to screw rod (54) with the nut thread in described tray for work pieces connector (55), the right-hand member of described sliding seat body (53) is also respectively arranged with the front protuberance (59) and rear protuberance (58) that extend to the right in the front and back of described bevel gear wheel (52), described front protuberance (59) is provided with bevel pinion (51), described bevel pinion (51) engages with described bevel gear wheel (52), and the rotation of described bevel pinion (51) is fore-and-aft direction thus orthogonal with the rotation of described bevel gear wheel (52), described bevel pinion (51) axial restraint and be arranged on described front protuberance (59) revolvably, the central authorities of described bevel pinion (51) are provided with the through hole of band spline
Described front slide holder assembly (42) is fixedly connected with rear tray for work pieces (56) with front tray for work pieces (57) respectively with the described tray for work pieces connector (55) of described rear sliding seat assembly (41), described front tray for work pieces (57) and rear tray for work pieces (56) are all for liquid carrying cylinder pressure cylinder body workpiece
Front end and the front left and right of described sliding seat left and right drive motor (3) drive splined shaft (32) to connect, rear end and rear left and right drive splined shaft (31) to connect, described front left and right drives splined shaft (32) to engage with the through hole of the band spline of the bevel pinion (51) in described front slide holder assembly (42), and the through hole that described front left and right drives splined shaft (32) and the band spline of the bevel pinion (51) in described front slide holder assembly (42) in the axial direction can relative sliding, described rear left and right drives splined shaft (31) to engage with the through hole of the band spline of the bevel pinion (51) in described rear sliding seat assembly (41), and the through hole that described rear left and right drives splined shaft (31) and the band spline of the bevel pinion (51) in described rear sliding seat assembly (41) in the axial direction can relative sliding, when described sliding seat left and right drive motor (3) is rotated, the bevel pinion (51) of described front slide holder assembly (42) and described rear sliding seat assembly (41) can be driven simultaneously to rotate, thus make left and right in the described sliding seat of described front slide holder assembly (42) and described rear sliding seat assembly (41) drive described front tray for work pieces (57) and rear tray for work pieces (56) the axially rightabout ground in described left and right to screw rod (54) in respective sliding seat mobile respectively to screw rod (54),
Described welder also comprises the front welding gun (62) and rear welding gun (61) that are fixedly connected with described frame (1), described front welding gun (62) and rear welding gun (61) are respectively used to as the weld seam of the hydraulic cylinder body workpiece in described front tray for work pieces (57) and rear tray for work pieces (56) welds
Described front tray for work pieces (57) and rear tray for work pieces (56) are provided with blowning installation (10), described blowning installation (10) comprises bracing frame (5), and the blow head (6) be arranged on bracing frame 5, and connect the appendix (7) of blow head (6), and the by-pass valve control (8) be arranged on appendix (7), described blow head (6) is positioned at the top of hydraulic cylinder body workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643659.9A CN104439779B (en) | 2014-11-14 | 2014-11-14 | A kind of hydraulic cylinder body seam welding device with blowning installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643659.9A CN104439779B (en) | 2014-11-14 | 2014-11-14 | A kind of hydraulic cylinder body seam welding device with blowning installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104439779A true CN104439779A (en) | 2015-03-25 |
| CN104439779B CN104439779B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410643659.9A Active CN104439779B (en) | 2014-11-14 | 2014-11-14 | A kind of hydraulic cylinder body seam welding device with blowning installation |
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| Country | Link |
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| CN (1) | CN104439779B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673334A (en) * | 2020-05-19 | 2020-09-18 | 杭涛 | Spiral blade precision welding robot and welding method |
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| JP2000263293A (en) * | 1999-03-15 | 2000-09-26 | Komatsu Engineering Kk | Positioning device for backing metal of welding |
| US20040217096A1 (en) * | 2003-04-29 | 2004-11-04 | Lincoln Global, Inc. | Robotic cylinder welding |
| CN201295809Y (en) * | 2008-11-20 | 2009-08-26 | 厦门思尔特机器人***有限公司 | An oil cylinder port welding robot system |
| CN201350542Y (en) * | 2009-01-20 | 2009-11-25 | 厦门思尔特机器人***有限公司 | Automatic welding machine special for hydrocylinder girth welding |
| CN103624468A (en) * | 2013-11-28 | 2014-03-12 | 山河智能装备股份有限公司 | Welding positioner special for upper and lower square butt joint welding seams of excavator movable arms and using method of welding positioner |
| CN203495446U (en) * | 2013-10-18 | 2014-03-26 | 无锡四方友信股份有限公司 | Double-station welding line pressing machine of barrel body |
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2014
- 2014-11-14 CN CN201410643659.9A patent/CN104439779B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000263293A (en) * | 1999-03-15 | 2000-09-26 | Komatsu Engineering Kk | Positioning device for backing metal of welding |
| US20040217096A1 (en) * | 2003-04-29 | 2004-11-04 | Lincoln Global, Inc. | Robotic cylinder welding |
| CN201295809Y (en) * | 2008-11-20 | 2009-08-26 | 厦门思尔特机器人***有限公司 | An oil cylinder port welding robot system |
| CN201350542Y (en) * | 2009-01-20 | 2009-11-25 | 厦门思尔特机器人***有限公司 | Automatic welding machine special for hydrocylinder girth welding |
| CN203495446U (en) * | 2013-10-18 | 2014-03-26 | 无锡四方友信股份有限公司 | Double-station welding line pressing machine of barrel body |
| CN103624468A (en) * | 2013-11-28 | 2014-03-12 | 山河智能装备股份有限公司 | Welding positioner special for upper and lower square butt joint welding seams of excavator movable arms and using method of welding positioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673334A (en) * | 2020-05-19 | 2020-09-18 | 杭涛 | Spiral blade precision welding robot and welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104439779B (en) | 2016-01-20 |
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Effective date of registration: 20170508 Address after: 226351, Jiangsu, Nantong province Tongzhou District Stone Town Industrial Park Patentee after: Nantong General Machinery Manufacturing Co., Ltd. Address before: 322000 Pujiang County, Jinhua City, the first town of Rock County, Zhejiang village, a District No. 15 Patentee before: Hong Duan |