CN203830520U - Overlength section bar three-dimensional numerical control punching processing flexible combination production equipment - Google Patents
Overlength section bar three-dimensional numerical control punching processing flexible combination production equipment Download PDFInfo
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- CN203830520U CN203830520U CN201420217920.4U CN201420217920U CN203830520U CN 203830520 U CN203830520 U CN 203830520U CN 201420217920 U CN201420217920 U CN 201420217920U CN 203830520 U CN203830520 U CN 203830520U
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- 238000004080 punching Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- MWBPRDONLNQCFV-UHFFFAOYSA-N Tri-allate Chemical compound CC(C)N(C(C)C)C(=O)SCC(Cl)=C(Cl)Cl MWBPRDONLNQCFV-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Punching Or Piercing (AREA)
Abstract
The utility model discloses overlength section bar three-dimensional numerical control punching processing flexible combination production equipment, and is characterized in that a specially designed high-rigidity lengthened combination bed is adopted, three sets of punching apparatuses which are hydraulically driven are designed on the bed, a top surface and two side surfaces of a workpiece can be processed according to processing requirements. A feeding apparatus uses a servo motor to drive, a motion speed of the feeding apparatus is adjusted through a frequency converter, so that feeding and punching speed can be automatically adjusted according to requirements. The overlength section bar three-dimensional numerical control punching processing flexible combination production equipment of the utility model has the beneficial effects that one-button full-automatic processing can be realized for punching of overlength section steel, one-time clamping and simultaneous completion can be realized for different processing requirements, thereby greatly raising processing efficiency and processing precision, and reducing the gap with advanced countries.
Description
Technical field
The utility model relates to digital control processing field, specifically the three-dimension numerical controlled stamping-out processing flexibility of a kind of overlong sectional material combinations produce equipment.
Background technology
Current, all trades and professions, based on modularization, combined type, standardization, universal manufacturing philosophy, are utilized section bar increasingly extensive, but can not be met the demand of market development for high efficiency section bar process equipment.Because CNC Sheet Metal Forming Technology is manufactured because of its high efficiency, high-precision outstanding feature, numerical control stamping machine tool just obtains applying more and more widely in section bar processing industry, and this also makes Present Domestic numerical control stamping machine tool exist the very large market demand.
But, the most lathe bed of numerical control stamping machine tool that Present Domestic enterprise produces is shorter, when processing super long section bar, can not complete all processing by clamped one time, and can only carry out punch process to workpiece working face simultaneously, although existing multi-station punch can process multiple holes through clamped one time, but can only process of a section bar face, and the space that its hole punched device of arranging side by side occupies is larger, and complete the Surface Machining of section bar space three-dimensional, need three upset positioning and clamping of workpiece, three stamping-outs to complete.If complete the punching processing of three faces on the section bar in three-dimensional spatial distribution, carry out three positioning and clamping and punching, obviously can greatly reduce relative-position error between working (machining) efficiency and hole.Meanwhile, general feeding style is artificial feeding, even if part press machine adopts self-feeding mode, but feeding speed generally cannot regulate.Therefore, operating efficiency is large compared with low, low precision, operator's labour intensity, working environment poor stability.
Utility model content
The technical problems to be solved in the utility model is to relate to a kind of flexible numerical lathe equipment of processing by the concentrated stamping-out in three surfaces of an automated exchanged cutter feeding feeding implementation space distributed in three dimensions under a space station.This lathe energy processing super long section bar, self-feeding and feeding and processing feed speed are adjustable, while carrying out punch process can according to processing request simultaneously the arbitrary face in the end face to workpiece and side, two of left and right carry out the processing of any pitch-row.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The three-dimension numerical controlled stamping-out processing flexibility of a kind of overlong sectional material combinations produce equipment, comprise overlength lathe bed, end at described lathe bed is provided with blanking device, lathe bed is provided with can be along its automatic feeding and pay-off is carried out to spacing stopping means of slidably reciprocating, described hole punched device comprises three cover hole punched devices, it is respectively that workpiece is implemented to the vertical hole punched device of vertical force and the left hole punched device to both sides workpiece carrying out horizontal power and that be positioned at about workpiece, right hole punched device, three described cover hole punched devices are realized the punching of at least one machined surface to workpiece under the driving of control system.Three-dimensional punch press of the present utility model not monoenergetic completes the punching processing of three faces of section bar simultaneously through clamped one time, and greatly reduce the space that hole punched device occupies, meanwhile the fixing hole punched devices of three relative positions are realized accurate interlock by control system and feeding servomotor, ensured each and not the hole between coplanar have very high positional precision.
Described automatic feeding comprises servomotor, for driving servo-driver and the frequency converter of servomotor, the output of described servomotor drives the gear rotation of being located on feeding workbench by synchronous pulley, described gear engages with the tooth bar of being located on lathe bed, and then drives feeding workbench to move around;
On described feeding workbench, be provided with the air-actuated jaw for clamping work pieces, described air-actuated jaw is by air cylinder driven;
Described lathe bed forms by two sections: long one section and short one section, and two sections of lathe bed alignment are installed, and leave 1-2mm vibration isolation gap; Wherein one section of long lathe bed is provided with and is parallel to each other and for two secondary rolling guide-rail pairs of pay-off mobile guide; And the slide plate of described pay-off bottom is arranged on guide rail; Above one section of short lathe bed one end, fix digital controlled hole punching device support, feeding, discharge roller is housed above the lathe bed other end; Overlong sectional material workpiece adds man-hour, and feeding, discharge is all from being provided with same one end of lathe bed of loading and unloading roller.
On described lathe bed, be provided with the guide rail being parallel to each other, and the bottom of described pay-off is arranged on guide rail,
On described guide rail, be provided with for the stroke of pay-off is carried out to spacing travel switch.
Described hole punched device has three covers, and three cover hole punched devices are all supported on an inverted U support; Wherein 2 covers are arranged symmetrically in horizontal plane arranged on left and right sides, and 1 cover is arranged in vertical plane upside.Every cover comprises a set of hydraulically powered hydraulic cylinder separately, and shares 1 cover Hydraulic Station.
Be provided with three dies, three punch in the described hole punched device position corresponding with lathe bed; a corresponding punch of die; on die, have different passes; punch manufactures the shape the same with corresponding die pass; in the time of fabircated shapes, just can realize so the punching press of different shaped jet holes; die also has positioning action simultaneously, and section bar is stuck in mould.
Because single-chip microcomputer is poor for the antijamming capability of the electromagnetic signal of industry spot, the flexibility of PLC is simultaneously relatively poor and sweep speed is fast not, and therefore we adopt CNC control system.Make feeding servomotor and three hydro piercing devices realize interlock by control system, in the time that servomotor moves, hole punched device is failure to actuate, in the time that feeding workbench runs to the distance of setting, make hole punched device sequentially-operating according to processing request, complete the processing to section bar, between the servomotor of simultaneously controlling and hydro piercing device, have interlocked with and be provided with limit switch, can ensure like this device security, move efficiently.
Described blanking device is material blanking roller.
The utility model can be the section bar of 8.8 meters for processing maximum length, and the length of overlength lathe bed and the length of section bar matches, and is at least greater than 8.8 meters.
Processing method of the present utility model is as follows:
When work, first go up part.Be feeding workbench by servomotor and servo driver drives, under the drive of gear, tooth bar and synchronous pulley, move to feeding lathe bed one end near punching along rolling guide, spacing by travel switch; Then workpiece is snapped on the locating piece of fixture, by air-actuated jaw, by Workpiece clamping, feeding workbench drives the workpiece after location clamps oppositely to retract feeding lathe bed one end away from punching along rolling guide, spacing by travel switch, so far go up part complete, prepare to carry out punching;
Under the control of CNC, feeding workbench drives workpiece to move near one end feeding of punching to feeding lathe bed, carry out three lip-deep while punching processing of workpiece when workpiece arrives top hydraulic cylinder, left side hydraulic cylinder and right side hydraulic cylinder when punching position according to the CNC program pre-entering, feeding workbench move on and with hydraulic cylinder cooperating until three lip-deep a series of holes completion of processing in whole length;
Now feeding workbench moves to again feeding lathe bed one end near punching, and air-actuated jaw unclamps workpiece under the driving of cylinder, by blanking roller, workpiece is unloaded, and whole process is complete.Then, continue the fabrication cycles of next workpiece.
The beneficial effects of the utility model are as follows:
Three-dimension numerical controlled press machine lathe bed is designed to overlength lathe bed, and two rolling guides are installed above lathe bed, and pay-off can move back and forth along guide rail, thereby realizes successive feeding and punch process to overlong sectional material.
The multiaspect of workpiece is carried out to punch process for realizing simultaneously, a set of hole punched device has respectively been designed in end face and side, two of left and right at workpiece, this three covers hole punched device all adopts hydraulic-driven, can be according to processing request to carrying out the punch process of any pitch-row in any 1 ~ 3 face in these three working faces under the control of CNC control system, thus meet three stamping-outs processing simultaneously of section bar of various designing requirements.
For realizing the adjusting of feeding and processing feed speed, pay-off adopts driven by servomotor and carries out speed control by frequency converter.When feeding due to overlong sectional material length length feeding speed can be improved to reduce feeding non-cutting time, when processing feeding, in order to ensure machining accuracy, can processing feed speed reduce, thus the high accuracy of realization, high efficiency processing.
Brief description of the drawings
Fig. 1 lathe integral layout figure;
Fig. 2 tri-station automatic punching structural representations;
Fig. 3 Self-feeding structure schematic diagram;
In figure: 1 workpiece, 2 punch press lathe beds, 3 blanking rollers, 4 left side hydraulic cylinders, 5 punch, 6 top hydraulic cylinders, 7 feeding workbenchs, 8 servo-drivers, 9 cylinders, 10 servomotors, 11 rolling guides, 12 feeding lathe beds, 13 tooth bars, 14 synchronous pulleys, 15 air-actuated jaws, 16 right side hydraulic cylinders, 17 dies, 18 gears.
Detailed description of the invention
Fig. 1～3rd, shown a kind of specific embodiment, it comprises workpiece 1, punch press lathe bed 2, blanking roller 3, left side hydraulic cylinder 4, punch 5, top hydraulic cylinder 6, feeding workbench 7, servo-driver 8, cylinder 9, servomotor 10, rolling guide 11, feeding lathe bed 12, tooth bar 13, synchronous pulley 14, air-actuated jaw 15, right side hydraulic cylinder 16, die 17, gear 18.Be provided with blanking roller 3 in the end of punch press lathe bed 2, lathe bed is provided with and can slidably reciprocates and be used to the feeding workbench 7 of hole punched device feeding along it, hole punched device comprises three cover hole punched devices, on a station, be respectively that workpiece is implemented to the vertical hole punched device of vertical force and the left side to both sides workpiece carrying out horizontal power and that be positioned at about workpiece, right hole punched device, three-dimensional punch press of the present utility model not monoenergetic completes the punching processing of three faces of section bar simultaneously through clamped one time, and greatly reduce the space that hole punched device occupies, meanwhile three fixing hole punched devices of relative position are realized accurate interlock by control system and feeding servomotor, ensured each and not the hole between coplanar have very high positional precision.
Pay-off comprises servomotor 10, for driving servo-driver 8 and the frequency converter of servomotor 10, the output of described servomotor 10 drives the gear 18 of being located on feeding workbench to rotate by synchronous pulley 14, described gear 18 engages with the tooth bar 13 of being located on lathe bed, and then drives feeding workbench to move around;
On feeding workbench, be provided with the air-actuated jaw 15 for clamping work pieces, described air-actuated jaw 15 is driven by pneumatic linear actuator;
On lathe bed, be provided with the rolling guide 11 being parallel to each other, and the bottom of described pay-off is arranged on rolling guide 11,
On rolling guide 11, be provided with for the stroke of pay-off is carried out to spacing travel switch.
Three cover hole punched devices comprise a set of hydraulically powered left side hydraulic cylinder 4, top hydraulic pressure 6 and right side hydraulic cylinder 16 separately.
Be provided with three dies 17, three punch 5 in the hole punched device position corresponding with lathe bed; a corresponding punch 5 of die 17; on die 17, have different passes; 5 of punch manufacture the shape matching with corresponding die 17 passes; in the time of fabircated shapes, just can realize so the punching press of different shaped jet holes; die also has positioning action simultaneously, and section bar is stuck in mould.
Because single-chip microcomputer is poor for the antijamming capability of the electromagnetic signal of industry spot, the flexibility of PLC is simultaneously relatively poor and sweep speed is fast not, therefore adopts CNC control system here.Make feeding servomotor and three hydro piercing devices realize interlock by control system, in the time that servomotor moves, hole punched device is failure to actuate, in the time that feeding workbench runs to the distance of setting, make hole punched device sequentially-operating according to processing request, complete the processing to section bar, between the servomotor of simultaneously controlling and hydro piercing device, have interlocked with and be provided with limit switch, can ensure like this device security, move efficiently.
The utility model can be for the section bar of processing maximum length≤8.8 meter.
Numerical control stamping machine tool lathe bed is designed to overlength lathe bed, and lathe bed end face is installed two rolling guides, and pay-off can move back and forth along guide rail, thereby realizes the punch process to overlong sectional material.
The multiaspect of workpiece is carried out to punch process for realizing simultaneously, a set of hole punched device has respectively been designed in end face and side, two of left and right at workpiece, this three covers hole punched device all adopts hydraulic-driven, can carry out according to processing request the punch process of any pitch-row under the control of CNC control system to the face arbitrarily in these three working faces.
For realizing the adjusting of feeding and processing feed speed, pay-off adopts driven by servomotor and carries out speed control by frequency converter.When feeding due to overlong sectional material length length feeding speed can be improved to reduce feeding time, processing in order to ensure machining accuracy, can processing feed speed reduce when feeding, thereby realizes high accuracy processing.
As shown in Figures 1 to 3, when the work of the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material assembly line, first feeding workbench 6 is driven by servomotor 10 and servo-driver 8, under the drive of gear 18, tooth bar 13 and synchronous pulley 14, move to feeding lathe bed 12 one end near punching along rolling guide 11, spacing by travel switch; Workpiece 1 is snapped on the locating piece of fixture, workpiece 1 is clamped with cylinder 9 and air-actuated jaw 15, then feeding workbench 7 moves to feeding lathe bed 12 one end away from punching along rolling guide 11, spacing by travel switch, so far goes up part complete, prepares to carry out punching.
Under the control of CNC, feeding workbench 7 drives workpiece 1 to move near one end feeding of punching to feeding lathe bed 12, and in the time that workpiece 1 arrives punching position, top hydraulic cylinder 6, left side hydraulic cylinder 4 and right side hydraulic cylinder 16 carry out punching processing according to the CNC program pre-entering.Feeding workbench 7 move on and with 3 hydraulic cylinder cooperatings until machine.Now feeding workbench 7 moves to feeding lathe bed 12 one end near punching, and air-actuated jaw 15 unclamps workpiece under the driving of cylinder 9, by blanking roller 3, workpiece 1 is unloaded, and whole process is complete.
Claims (8)
1. the three-dimension numerical controlled stamping-out processing flexibility of an overlong sectional material combinations produce equipment, it is characterized in that: comprise overlength lathe bed, end at described lathe bed is provided with blanking device, lathe bed is provided with can be along its automatic feeding and pay-off is carried out to spacing stopping means of slidably reciprocating, described hole punched device comprises three cover hole punched devices, it is respectively that workpiece is implemented to the vertical hole punched device of vertical force and the left hole punched device to both sides workpiece carrying out horizontal power and that be positioned at about workpiece, right hole punched device, three described cover hole punched devices are realized the punching of at least one machined surface to workpiece under the driving of control system.
2. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, it is characterized in that: described automatic feeding comprises servomotor, for driving servo-driver and the frequency converter of servomotor, the output of described servomotor drives the gear rotation of being located on feeding workbench by synchronous pulley, described gear engages with the tooth bar of being located on lathe bed, and then drives feeding workbench to move around.
3. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 2 combinations produce equipment, is characterized in that: on described feeding workbench, be provided with the air-actuated jaw for clamping work pieces, described air-actuated jaw is driven by pneumatic linear actuator.
4. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, is characterized in that: described lathe bed forms by two sections: long one section and short one section, and two sections of lathe bed alignment are installed, and leave 1-2mm vibration isolation gap; Wherein one section of long lathe bed is provided with and is parallel to each other and for two secondary rolling guide-rail pairs of pay-off mobile guide; And the slide plate of described pay-off bottom is arranged on guide rail; Above one section of short lathe bed one end, fix digital controlled hole punching device support, feeding, discharge roller is housed above the lathe bed other end.
5. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, is characterized in that: on described guide rail, be provided with for the stroke of automatic feeding is carried out to spacing travel switch.
6. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, is characterized in that: described hole punched device has three covers, and three cover hole punched devices are all supported on an inverted U support; Wherein 2 covers are arranged symmetrically in horizontal plane arranged on left and right sides, and 1 cover is arranged in vertical plane upside; Every cover comprises a set of hydraulically powered hydraulic cylinder separately, and shares 1 cover Hydraulic Station.
7. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, it is characterized in that: be provided with three punch, three dies in the described hole punched device position corresponding with lathe bed, a corresponding die of punch, on die, have different passes, the shape that punch matches with corresponding die pass.
8. the three-dimension numerical controlled stamping-out processing flexibility of overlong sectional material as claimed in claim 1 combinations produce equipment, is characterized in that: described blanking device is material blanking roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217920.4U CN203830520U (en) | 2014-04-30 | 2014-04-30 | Overlength section bar three-dimensional numerical control punching processing flexible combination production equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420217920.4U CN203830520U (en) | 2014-04-30 | 2014-04-30 | Overlength section bar three-dimensional numerical control punching processing flexible combination production equipment |
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| CN203830520U true CN203830520U (en) | 2014-09-17 |
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| CN201420217920.4U Expired - Lifetime CN203830520U (en) | 2014-04-30 | 2014-04-30 | Overlength section bar three-dimensional numerical control punching processing flexible combination production equipment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550423A (en) * | 2015-01-05 | 2015-04-29 | 菏泽市牡丹区金博利达精密机械有限公司 | Automatic cable ladder knee hole machining production line and machining method |
| CN104759521A (en) * | 2015-03-09 | 2015-07-08 | 张家港市塘桥华军机械厂 | Profile punching device |
| CN105436550A (en) * | 2015-12-16 | 2016-03-30 | 嵊州市银河铝业有限公司 | Perforating machine for aluminum profiles |
| CN105855358A (en) * | 2016-06-25 | 2016-08-17 | 济南纽兰数控机械有限公司 | Numerical-control punching device capable of punching multiple surfaces of shape steel |
| CN106335099A (en) * | 2016-08-31 | 2017-01-18 | 滁州市精英家电设备有限公司 | Special flexible punching machine |
| CN108127722A (en) * | 2018-01-10 | 2018-06-08 | 河北中冷冷却设备有限公司 | The glass fiber reinforced plastic shapes of PLC programming Controls make automatic press molding machine |
| CN109079024A (en) * | 2018-11-08 | 2018-12-25 | 山东新活新材料科技有限公司 | A kind of back cord punching apparatus |
| CN110064938A (en) * | 2019-04-28 | 2019-07-30 | 山东金博利达精密机械有限公司 | Tubing crescent moon notch is punched assembled unit, production line and method |
| CN110496992A (en) * | 2019-09-06 | 2019-11-26 | 永康雪纺自动化设备有限公司 | A kind of metal steel pipe automatic punching device |
| CN111360141A (en) * | 2020-03-09 | 2020-07-03 | 江苏众利达自动化设备有限公司 | Numerical control multi-station hydraulic punching combined production line for longer sections |
| CN114160690A (en) * | 2021-12-02 | 2022-03-11 | 张永伟 | Five-axis servo numerical control punch press and working method thereof |
| CN114713706A (en) * | 2022-03-28 | 2022-07-08 | 山东金博利达精密机械有限公司 | Multi-station profile hydraulic punching production line and method |
| CN115958540A (en) * | 2023-02-24 | 2023-04-14 | 济南大学 | Clamp device for shot blasting process and shot blasting device |
| CN117531909A (en) * | 2023-12-12 | 2024-02-09 | 霸州市华方轧辊设备有限公司 | Linear profile multi-station processing system and linear profile production line |
-
2014
- 2014-04-30 CN CN201420217920.4U patent/CN203830520U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104550423A (en) * | 2015-01-05 | 2015-04-29 | 菏泽市牡丹区金博利达精密机械有限公司 | Automatic cable ladder knee hole machining production line and machining method |
| CN104550423B (en) * | 2015-01-05 | 2016-08-24 | 山东金博利达精密机械有限公司 | A kind of ladder-type bridge frame side hole automatic production line and processing method |
| CN104759521A (en) * | 2015-03-09 | 2015-07-08 | 张家港市塘桥华军机械厂 | Profile punching device |
| CN105436550A (en) * | 2015-12-16 | 2016-03-30 | 嵊州市银河铝业有限公司 | Perforating machine for aluminum profiles |
| CN105436550B (en) * | 2015-12-16 | 2018-10-16 | 嵊州市银河铝业有限公司 | A kind of puncher for aluminium section bar |
| CN105855358A (en) * | 2016-06-25 | 2016-08-17 | 济南纽兰数控机械有限公司 | Numerical-control punching device capable of punching multiple surfaces of shape steel |
| CN106335099A (en) * | 2016-08-31 | 2017-01-18 | 滁州市精英家电设备有限公司 | Special flexible punching machine |
| CN108127722A (en) * | 2018-01-10 | 2018-06-08 | 河北中冷冷却设备有限公司 | The glass fiber reinforced plastic shapes of PLC programming Controls make automatic press molding machine |
| CN109079024A (en) * | 2018-11-08 | 2018-12-25 | 山东新活新材料科技有限公司 | A kind of back cord punching apparatus |
| CN110064938A (en) * | 2019-04-28 | 2019-07-30 | 山东金博利达精密机械有限公司 | Tubing crescent moon notch is punched assembled unit, production line and method |
| CN110496992A (en) * | 2019-09-06 | 2019-11-26 | 永康雪纺自动化设备有限公司 | A kind of metal steel pipe automatic punching device |
| CN111360141A (en) * | 2020-03-09 | 2020-07-03 | 江苏众利达自动化设备有限公司 | Numerical control multi-station hydraulic punching combined production line for longer sections |
| CN114160690A (en) * | 2021-12-02 | 2022-03-11 | 张永伟 | Five-axis servo numerical control punch press and working method thereof |
| CN114713706A (en) * | 2022-03-28 | 2022-07-08 | 山东金博利达精密机械有限公司 | Multi-station profile hydraulic punching production line and method |
| CN115958540A (en) * | 2023-02-24 | 2023-04-14 | 济南大学 | Clamp device for shot blasting process and shot blasting device |
| CN117531909A (en) * | 2023-12-12 | 2024-02-09 | 霸州市华方轧辊设备有限公司 | Linear profile multi-station processing system and linear profile production line |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |