CN112605174A - Bidirectional split type straightening and top bending integrated mechanism - Google Patents
Bidirectional split type straightening and top bending integrated mechanism Download PDFInfo
- Publication number
- CN112605174A CN112605174A CN202011367855.XA CN202011367855A CN112605174A CN 112605174 A CN112605174 A CN 112605174A CN 202011367855 A CN202011367855 A CN 202011367855A CN 112605174 A CN112605174 A CN 112605174A
- Authority
- CN
- China
- Prior art keywords
- vertical
- horizontal
- pressure head
- fixedly connected
- straightening
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a bidirectional split type straightening and top bending integrated mechanism, and belongs to the field of steel rail straightening. The bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightening top bender are sequentially arranged along the advancing direction of the steel rail, and the material conveying roller is arranged among the bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightening top bender. The advantage is novel structure, through being equipped with three pressure head portion dress, three supporting part dress, through the different combinations of pressure head and support, adapts to the alignment of the different directions of work piece, and the work piece need not flip angle. And a split type two-way framework is adopted, so that the functions of straightening and bending can be realized at the same time. The vertical straightening machine can be moved to reserve enough space for workpiece bending in the horizontal rail straightening or top bending process. Meanwhile, when the vertical straightening machine is withdrawn, an auxiliary carrier roller which is synchronously fed in is added, so that the vertical straightening machine has higher flexibility. Compared with a straightening machine, the invention can reduce the complexity of manual operation and the like and improve the straightening and bending precision.
Description
Technical Field
The invention relates to the field of steel rail straightening, in particular to a bidirectional split type straightening and top bending integrated mechanism.
Background
Because the precision of the train rail is crucial to rail traffic, the requirements on the horizontal linear direction and the height are very high, the traditional rail straightening equipment only comprises a pair of movable pressure heads, the shape defects of the rail need to be continuously detected, the rail needs to be adjusted and corrected, even the rail needs to be turned over and the like to participate in manual actions under certain conditions, the complexity is increased to a certain degree, the efficiency is low, the straightness of the rail end of the rail is poor, and the over-standard bending amount is remained. Adopt integral type alignment mode, though can realize vertical and horizontal direction's alignment simultaneously, nevertheless restricted crooked headspace among the alignment process to the flexibility ratio is not high, and one pair or two pairs of pressure heads are relative to three pairs of pressure heads simultaneously, and the flexibility ratio is not high, influences alignment efficiency and precision.
Disclosure of Invention
The invention provides a bidirectional split type straightening and top-bending integrated mechanism, which aims to solve the problems that rail turning needs to be manually participated, the flexibility is low, and the straightening efficiency and precision are influenced.
The technical scheme adopted by the invention is as follows: the device comprises a bending measuring mechanism, a vertical C-shaped straightener, a horizontal C-shaped straightener and a material conveying roller, wherein the bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightener are sequentially arranged along the advancing direction of a steel rail, and the material conveying roller is arranged among the bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightener.
The vertical C-shaped straightener comprises a vertical loading oil cylinder, a vertical main machine frame, a pressure head III, a vertical guide rod, a vertical loading beam, a pressure head I, a pressure head II, a support I, a support II, a support III, a measurement I, a measurement II, a motor, a speed reducer, a linear guide rail assembly, a rack and a gear, wherein the vertical main machine frame adopts a C-shaped frame structure, the vertical guide rod is fixedly connected to two sides of the vertical main machine frame, the vertical loading beam is slidably connected with the vertical guide rod, the vertical loading oil cylinder is fixedly connected with the upper part of the vertical main machine frame, the vertical loading beam is fixedly connected with the lower part of a cylinder rod of the vertical loading oil cylinder, the pressure head I, the pressure head II and the pressure head III are respectively and fixedly connected below the vertical loading beam, the support I, the support II and the support III are respectively and fixedly connected to the lower part of the vertical, the first measurement unit and the second measurement unit are respectively fixedly connected to the lower part of the vertical main frame; the lower portion of the vertical main frame is connected with the linear guide rail assembly in a sliding mode, the rack is fixedly connected with the upper portion of the linear guide rail assembly, the speed reducer is fixedly connected to the lower portion of the inner portion of the vertical main frame, the motor is connected with the speed reducer, the speed reducer is fixedly connected with the gear, and the gear is meshed with the rack.
The horizontal C-shaped straightening top bending machine comprises: the horizontal loading oil cylinder is fixedly connected with the rear part of the horizontal host frame, the horizontal loading beam is fixedly connected with a cylinder rod of the horizontal loading oil cylinder, the pressure head four, the pressure head five and the pressure head six are respectively fixedly connected in front of the horizontal loading beam, the support four, the support five and the support six are respectively fixedly connected in the horizontal host frame and respectively correspond to the pressure head four, the pressure head five and the pressure head six in front and back, and the measurement three and the measurement four are respectively fixedly connected in the horizontal host frame.
The invention has the advantages of novel structure, and is suitable for straightening workpieces in different directions by equipping each straightening and top bending machine with three pressing head parts and three supporting parts and different combinations of the pressing head and the supporting parts, and the workpieces do not need to be turned over by angles. And a split type two-way framework is adopted, so that the functions of straightening and bending can be realized at the same time. The vertical straightening machine can be moved to reserve enough space for workpiece bending in the horizontal rail straightening or top bending process. Meanwhile, when the vertical straightening machine is withdrawn, an auxiliary carrier roller which is synchronously fed in is added, so that the vertical straightening machine has higher flexibility. Compared with a straightening machine, the invention can reduce the complexity of manual operation and the like and improve the straightening and bending precision.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the vertical C-type straightener of the present invention, which does not include a motor, a speed reducer, a linear guide assembly, a rack and a gear;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
fig. 5 is a schematic structural diagram of a motor, a speed reducer, a linear guide rail assembly, a rack and a gear of the vertical C-type straightener of the invention;
FIG. 6 is a schematic structural view of the horizontal C-type straightening and bending machine of the present invention;
fig. 7 is a sectional view B-B of fig. 6.
Detailed Description
The device comprises a bending measuring mechanism 1, a vertical C-shaped straightening machine 2, a horizontal C-shaped straightening and top-bending machine 3 and a material conveying roller 4, wherein the bending measuring mechanism 1, the vertical C-shaped straightening machine 2 and the horizontal C-shaped straightening and top-bending machine 3 are sequentially arranged along the advancing direction of a steel rail, and the material conveying roller 4 is arranged among the bending measuring mechanism 1, the vertical C-shaped straightening machine 2 and the horizontal C-shaped straightening and top-bending machine 3.
The vertical C-shaped straightening machine 2 comprises a vertical loading oil cylinder 201, a vertical main frame 202, a pressure head III 203, a vertical guide rod 204, a vertical loading beam 205, a pressure head I206, a pressure head II 207, a support I208, a support II 209, a support III 210, a measurement I211, a measurement II 212, a motor 213, a speed reducer 214, a linear guide rail assembly 215, a rack 216 and a gear 217, wherein the vertical main frame 202 adopts a C-shaped frame structure, the vertical guide rod 204 is fixedly connected to two sides of the vertical main frame 202, the vertical loading beam 205 is slidably connected with the vertical guide rod 204, the vertical loading oil cylinder 201 is fixedly connected with the upper part of the vertical main frame 202, the vertical loading beam 205 is fixedly connected with the lower part of the cylinder rod of the vertical loading oil cylinder 201, the pressure head I206, the pressure head II 207 and the pressure head III 203 are respectively and fixedly connected below the vertical loading beam 205, the support I208, the support II 209 and the support III, The first measuring head 211 and the second measuring head 212 are respectively and fixedly connected to the lower part of the vertical main frame 202, and the first measuring head 206, the second measuring head 207 and the third measuring head 203 are respectively and vertically corresponding to each other; the lower part of the vertical main frame 202 is connected with the linear guide rail assembly 215 in a sliding way, the rack 216 is fixedly connected with the upper part of the linear guide rail assembly 215, the speed reducer 214 is fixedly connected with the lower part of the interior of the vertical main frame 202, the motor 213 is connected with the speed reducer 214, the speed reducer 214 is fixedly connected with the gear 217, and the gear 217 is meshed with the rack 216;
the horizontal C-shaped straightening top bending machine 3 comprises: the horizontal loading oil cylinder 301, the horizontal main machine frame 302, the pressure head six 303, the horizontal guide rod 304, the horizontal loading beam 305, the pressure head four 306, the pressure head five 307, the support four 308, the support five 309, the support six 310, the measurement three 311 and the measurement four 312, wherein the horizontal main machine frame 302 adopts a C-shaped frame structure, the horizontal guide rods 304 are fixedly connected with two sides of the horizontal main machine frame 302, the horizontal loading beam 305 is slidably connected with the horizontal guide rods 304, the horizontal loading oil cylinder 301 is fixedly connected with the rear part of the horizontal main machine frame 302, the horizontal loading beam 305 is fixedly connected with the rod of the horizontal loading oil cylinder 301, the pressure head four 306, the pressure head five 307 and the pressure head six 303 are respectively and fixedly connected in front of the horizontal loading beam 305, the support four 308, the support five 309 and the support six 310 are respectively and fixedly connected in the horizontal main machine frame 302 and respectively correspond to the pressure head four 306, the pressure head, The four measuring devices 312 are respectively fixedly connected inside the horizontal main frame 302.
Principle of operation
During straightening, the bending measuring mechanism 1 measures the bending conditions of the side surface and the top surface of a steel rail 5, and the material conveying roller 4 conveys the rail to the vertical C-shaped straightening machine 2 and the horizontal C-shaped straightening top bending machine 3 to respectively straighten the straightness of the rail in two directions; after the straightening is finished, the material conveying roller 4 conveys the rail to the bending measuring mechanism 1 for rechecking; during top bending, the vertical C-shaped straightener 2 retreats to reserve a space for bending the workpiece in the operation process of the horizontal C-shaped straightener top bending machine 3; wherein:
the working process of the vertical C-shaped straightener 2 is as follows: and (3) loading process: the vertical loading oil cylinder 201 acts, the vertical guide rod 204 guides, and the hydraulic circuit controls the vertical loading beam 205 to move, so that the vertical loading effect is realized;
by controlling the feeding amount of a pressure head at the end part of the vertical loading oil cylinder 201, combining the first pressure head 206, the third pressure head 203 and the second support 209, measuring the straightening amount in real time according to the first measurement 211 and the second measurement 212, and carrying out loading guidance on the combined pressure head, the vertical downward bending deformation can be corrected; the second pressure head 207 is combined with the first support 208 and the third support 210 to realize the vertical upward bending amount;
in addition, can reserve sufficient space for 3 alignments of horizontal C type alignment top-bending machine or the crooked in-process work piece of top bending through 2 horizontal migration of vertical C type straightener, because the crooked volume is big in the long track top bending in-process, leads to the track distal end fore-and-aft direction to produce huge displacement, the motion process as follows: the motor 21 and the 3-speed reducer 214 drive the gear 217 and the rack (216) mechanism to drive the main machine to move back and forth along the linear guide rail 215.
By controlling the feeding amount of a pressure head at the end part of a horizontal loading oil cylinder 301 of the horizontal C-shaped straightening top bending machine 3, by combining a pressure head four 306, a pressure head six 303 and a support five 309, the deformation amount is measured in real time according to a measurement three 311 and a measurement four 312, and loading guidance is carried out on the combined pressure head, so that outward bending deformation in the horizontal direction can be corrected or inward bending can be realized; the five-pressing head 307 is combined with the four-supporting 308 and the six-supporting 310, the deformation is measured in real time according to the three-measuring 311 and the four-measuring 312, and the combined pressing head is loaded and guided, so that the inward bending deformation in the horizontal direction can be corrected or the outward bending can be realized.
Therefore, different combinations of the pressure head and the support can be used for simultaneously adapting to the alignment of the workpiece in different vertical and horizontal directions, and the workpiece does not need to be turned over by an angle.
Claims (3)
1. The utility model provides a curved integrative mechanism of two-way split type alignment top which characterized in that: the device comprises a bending measuring mechanism, a vertical C-shaped straightener, a horizontal C-shaped straightener and a material conveying roller, wherein the bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightener are sequentially arranged along the advancing direction of a steel rail, and the material conveying roller is arranged among the bending measuring mechanism, the vertical C-shaped straightener and the horizontal C-shaped straightener.
2. The two-way split type straightening and top-bending integrated mechanism according to claim 1, characterized in that: the vertical C-shaped straightener comprises a vertical loading oil cylinder, a vertical main machine frame, a pressure head III, a vertical guide rod, a vertical loading beam, a pressure head I, a pressure head II, a support I, a support II, a support III, a measurement I, a measurement II, a motor, a speed reducer, a linear guide rail assembly, a rack and a gear, wherein the vertical main machine frame adopts a C-shaped frame structure, the vertical guide rod is fixedly connected to two sides of the vertical main machine frame, the vertical loading beam is slidably connected with the vertical guide rod, the vertical loading oil cylinder is fixedly connected with the upper part of the vertical main machine frame, the vertical loading beam is fixedly connected with the lower part of a cylinder rod of the vertical loading oil cylinder, the pressure head I, the pressure head II and the pressure head III are respectively and fixedly connected below the vertical loading beam, the support I, the support II and the support III are respectively and fixedly connected to the lower part of the vertical, the first measurement unit and the second measurement unit are respectively fixedly connected to the lower part of the vertical main frame; the lower portion of the vertical main frame is connected with the linear guide rail assembly in a sliding mode, the rack is fixedly connected with the upper portion of the linear guide rail assembly, the speed reducer is fixedly connected to the lower portion of the inner portion of the vertical main frame, the motor is connected with the speed reducer, the speed reducer is fixedly connected with the gear, and the gear is meshed with the rack.
3. The two-way split type straightening and top-bending integrated mechanism according to claim 1, characterized in that: the horizontal C-shaped straightening top bending machine comprises: the horizontal loading oil cylinder is fixedly connected with the rear part of the horizontal host frame, the horizontal loading beam is fixedly connected with a cylinder rod of the horizontal loading oil cylinder, the pressure head four, the pressure head five and the pressure head six are respectively fixedly connected in front of the horizontal loading beam, the support four, the support five and the support six are respectively fixedly connected in the horizontal host frame and respectively correspond to the pressure head four, the pressure head five and the pressure head six in front and back, and the measurement three and the measurement four are respectively fixedly connected in the horizontal host frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011367855.XA CN112605174B (en) | 2020-11-27 | 2020-11-27 | Bidirectional split type straightening and top bending integrated mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011367855.XA CN112605174B (en) | 2020-11-27 | 2020-11-27 | Bidirectional split type straightening and top bending integrated mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112605174A true CN112605174A (en) | 2021-04-06 |
CN112605174B CN112605174B (en) | 2022-10-14 |
Family
ID=75229868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011367855.XA Active CN112605174B (en) | 2020-11-27 | 2020-11-27 | Bidirectional split type straightening and top bending integrated mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112605174B (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414036A2 (en) * | 1989-08-19 | 1991-02-27 | MAE MASCHINEN- U. APPARATEBAU GÖTZEN GmbH & CO. KG | Straightening machine for long material |
JPH10156437A (en) * | 1996-11-20 | 1998-06-16 | Nippon Steel Corp | Continuous straightening method for deformed shape steel of rail or the like |
CN1850385A (en) * | 2006-05-18 | 2006-10-25 | 上海理工大学附属二厂 | Steel rail pre-welding straightening-rust-cleaning integrating machine and its applying method |
CN101712052A (en) * | 2009-12-23 | 2010-05-26 | 济南铸锻所捷迈机械有限公司 | Transverse straightener |
CN101712053A (en) * | 2009-12-14 | 2010-05-26 | 浙江大学 | Multi-straightening head-based quick straightening device and method |
CN202570880U (en) * | 2012-05-28 | 2012-12-05 | 中铁二十三局集团有限公司 | Straightening device of rail end before steel rail welding |
CN207695373U (en) * | 2017-12-13 | 2018-08-07 | 武汉利德测控技术有限公司 | A kind of numerical control rail four-way straightener |
CN208019192U (en) * | 2017-12-28 | 2018-10-30 | 江苏省徐州锻压机床厂集团有限公司 | Two-way steel rail alignment hydraulic machine |
CN108787799A (en) * | 2018-08-11 | 2018-11-13 | 湖北合强机械发展股份有限公司 | Steel rail top-bending straightener |
CN210387051U (en) * | 2019-08-09 | 2020-04-24 | 上海威实机电设备有限公司 | Novel straightening machine |
CN210435082U (en) * | 2019-03-06 | 2020-05-01 | 浙江亚磊型钢冷拔有限公司 | Straightening device for round steel |
-
2020
- 2020-11-27 CN CN202011367855.XA patent/CN112605174B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0414036A2 (en) * | 1989-08-19 | 1991-02-27 | MAE MASCHINEN- U. APPARATEBAU GÖTZEN GmbH & CO. KG | Straightening machine for long material |
JPH10156437A (en) * | 1996-11-20 | 1998-06-16 | Nippon Steel Corp | Continuous straightening method for deformed shape steel of rail or the like |
CN1850385A (en) * | 2006-05-18 | 2006-10-25 | 上海理工大学附属二厂 | Steel rail pre-welding straightening-rust-cleaning integrating machine and its applying method |
CN101712053A (en) * | 2009-12-14 | 2010-05-26 | 浙江大学 | Multi-straightening head-based quick straightening device and method |
CN101712052A (en) * | 2009-12-23 | 2010-05-26 | 济南铸锻所捷迈机械有限公司 | Transverse straightener |
CN202570880U (en) * | 2012-05-28 | 2012-12-05 | 中铁二十三局集团有限公司 | Straightening device of rail end before steel rail welding |
CN207695373U (en) * | 2017-12-13 | 2018-08-07 | 武汉利德测控技术有限公司 | A kind of numerical control rail four-way straightener |
CN208019192U (en) * | 2017-12-28 | 2018-10-30 | 江苏省徐州锻压机床厂集团有限公司 | Two-way steel rail alignment hydraulic machine |
CN108787799A (en) * | 2018-08-11 | 2018-11-13 | 湖北合强机械发展股份有限公司 | Steel rail top-bending straightener |
CN210435082U (en) * | 2019-03-06 | 2020-05-01 | 浙江亚磊型钢冷拔有限公司 | Straightening device for round steel |
CN210387051U (en) * | 2019-08-09 | 2020-04-24 | 上海威实机电设备有限公司 | Novel straightening machine |
Also Published As
Publication number | Publication date |
---|---|
CN112605174B (en) | 2022-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206230620U (en) | A kind of plank drilling equipment for having furniture made to order | |
CN206230087U (en) | A kind of servo synchronization feeding portal frame device of computerized numerical control sawing machine | |
JP2013116492A (en) | Apparatus and method for holding curve of plate-like workpiece, and curve forming method | |
CN101633016A (en) | Mold moving type gantry numerical control punch | |
CN105478536B (en) | Vehicle bridge two point alignment press | |
CN105479059B (en) | A kind of weld car pipeline | |
CN204183075U (en) | A kind of automatic straight seam welding machine | |
CN106695205A (en) | Automatic welding positioner | |
CN114654114A (en) | Side-hanging type three-chuck pipe cutting machine and working method | |
CN203696081U (en) | Numerical control grooving machine | |
CN108907575A (en) | A kind of hydraulic support top beam tailor-welding tool | |
CN112605174B (en) | Bidirectional split type straightening and top bending integrated mechanism | |
CN207104604U (en) | High accurancy and precision metal surface polishing processing equipment | |
CN201217150Y (en) | Numerical control drill-saw composite machine tool for section steel | |
CN201168840Y (en) | Gantry mobile linear cutting machine | |
CN201979648U (en) | Four-head corner cleaning machine for plastic doors and windows | |
CN112338291A (en) | Novel rack shaping special grinding machine | |
CN106808351A (en) | A kind of three travelling wheelhead roll grinders of planer-type Vertical Mill high accuracy | |
CN206184950U (en) | Automatic smart machine of rectifying of elevator guide rail | |
CN214264378U (en) | Online welding device for welding steel belt | |
CN114346577A (en) | Universal automatic tool clamp for main reinforcement assembly | |
CN212070649U (en) | Cutting machine | |
CN221389337U (en) | Pipe follow-up clamping mechanism of laser pipe cutting machine | |
CN206912545U (en) | Robot welding positioner positioning plate device | |
CN207289059U (en) | A kind of wiredrawing machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |