CN107497876A - A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism - Google Patents
A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism Download PDFInfo
- Publication number
- CN107497876A CN107497876A CN201710877716.3A CN201710877716A CN107497876A CN 107497876 A CN107497876 A CN 107497876A CN 201710877716 A CN201710877716 A CN 201710877716A CN 107497876 A CN107497876 A CN 107497876A
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- China
- Prior art keywords
- feed mechanism
- jaw
- bearing
- lifting feed
- oil cylinder
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Classifications
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- 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
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
- B21C35/03—Straightening the work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention belongs to shape to correct field,It is related to a kind of large aluminum profile drawing-in machine automatic lifting feed mechanism,Lifting feed mechanism includes chassis successively from top to bottom,Middle frame,Restocking and swing mechanism,Chassis both sides are installed with the position-limited rack of some troffer structures,Some groups of wedges and roller is fixedly mounted in the side lower part of restocking two,Roller is assemblied in the groove of position-limited rack,Some rollers with bearing are installed on middle frame,Wedge inclined-plane contacts with the roller of middle frame,Hoist cylinder component is connected with the outside of middle frame,Bearing is fixedly mounted on restocking top in swing mechanism,The rotating shaft that both ends are fixed on bearing is installed between swing span,Connecting lever is installed with the middle part of rotating shaft,The one end of connecting lever away from swing span is hinged on oscillating oil cylinder component,Solve and cause long section bar stage casing hanging by the elevating mechanism feeding of front and rear jaw,Scratch area and deform the decline of ambassador's section quality；The problem of excessive deformation can make front and rear jaw be not easy to clamp, and waste material head is long.
Description
Technical field
The invention belongs to shape to correct field, is related to a kind of large aluminum profile drawing-in machine automatic lifting feed mechanism.
Background technology
With the progress of modern industry, al profile extrusion line is just towards large-tonnage, high energy efficiency, the direction hair of automation
Exhibition, conventional small tonnage, low-energy-efficiency, how artificial board are gradually eliminated, and this is also just proposed to Extrusion Process of Aluminum Alloy Profile rear portion equipment
Higher production and technological process requirement.And drawing-in machine is as the section bar shaping straightening mechanism in the equipment of Extrusion Process of Aluminum Alloy Profile rear portion
Even more have much due to tonnage becomes big and the problem of produce.
During small board, more by standing on the worker near front and rear jaw manually to the direct feeding of drawing-in machine jaw；Or by fixing
In the elevating mechanism automatic charging of front and rear jaw.And with the increase of section bar rice weight, surmount the manpower limit, artificial loading can not
Energy；And the elevating mechanism feeding of only forward rear jaw can cause long section bar stage casing hanging, scratch area and deformed ambassador's section bar
Quality Down；Moreover, excessive deformation is not easy to clamp when can clamp front and rear jaw, the drawback such as waste material head length.
Therefore, the feed mechanism of large-scale drawing-in machine improves, for modernizing the problem of aluminium section bar production line is urgent need to resolve.
The content of the invention
In view of this, it is of the invention in order to which the elevating mechanism feeding solved only by front and rear jaw is caused in long section bar
Section is hanging, scratches area and deformed the decline of ambassador's section quality；Excessive deformation is not easy to clamp when can clamp front and rear jaw, waste material head
A kind of the problem of long, there is provided large aluminum profile drawing-in machine automatic lifting feed mechanism.
To reach above-mentioned purpose, the present invention provides following technical scheme：Including treating orthopedic section bar, lifting feed mechanism, peace
Loaded on lifting feed mechanism both sides and the relative U-shaped jaw that is open, driving U is connected with the outside of the U-shaped jaw of wherein at least one
Type jaw along the main stretching oil cylinder for treating the axial movement of orthopedic section bar, lifting feed mechanism include successively from top to bottom chassis, in
Frame, restocking and swing mechanism, chassis both sides are installed with the position-limited rack of some troffer structures, and the side lower part of restocking two is fixed
Some groups of wedges are installed and roller, roller are assemblied in the groove of position-limited rack, some rollers with bearing, wedge are installed on middle frame
Inclined-plane contacted with the roller of middle frame, hoist cylinder component is connected with the outside of middle frame, swing mechanism includes bearing, oscillating oil cylinder group
Part and two swing spans, bearing are fixedly mounted on restocking top, and being installed with both ends between swing span is fixed on bearing
Rotating shaft, rotating shaft middle part are installed with connecting lever, and the one end of connecting lever away from swing span is hinged on oscillating oil cylinder component.
Further, U-shaped jaw includes mobile terminal jaw and fixing end jaw, and mobile terminal jaw and fixing end jaw are pacified respectively
Mounted in lifting feed mechanism both ends, main stretching oil cylinder is arranged on side of the mobile terminal jaw away from fixing end jaw.
Further, treat that the termination of orthopedic section bar is placed in the jaw of two U-shaped jaws, treat to be provided with laterally below orthopedic section bar
Infeed conveyor.
Further, hoist cylinder component is made up of tail hinged seat, oil cylinder, cylinder rod adapter sleeve and bearing pin, cylinder rod adapter sleeve with
Middle frame is fastenedly connected, and tail hinged seat is fixed on base.
Further, sliding bearing is arranged with outside rotating shaft, sliding bearing is fastened on bearing.
Further, swing span is provided with supporting material roller away from rotating shaft one end, and supporting material roller is set in outside sliding bearing, and supporting material roller leads to
Sliding bearing is crossed on swing span.
Further, oscillating oil cylinder component is made up of middle hinged seat, oil cylinder, cylinder rod adapter sleeve and bearing pin, middle hinged seat with it is upper
Frame is fastenedly connected, and cylinder rod adapter sleeve passes through hinge swing span.
Further, the position that bearing is connected with swing span is provided with position detecting switch, and position detecting switch includes support
With the proximity switch being fixedly mounted on support.
The beneficial effects of the present invention are：
1st, aluminium section bar drawing-in machine automatic lifting feed mechanism main actions of the present invention have two, and one is lifting action：Groove
The position-limited rack of shape supporting structure is anchored on chassis both sides, and the band bearing roller matched somebody with somebody in groove and be connected to restocking provides level for restocking
The constraint in direction, restocking is set to move up and down, therefore when the hoist cylinder on the outside of central frame is flexible, frame is horizontal in drive moves
Dynamic, middle frame roller promotes wedge to drive restocking action, and the displacement of restocking in the horizontal direction is limited frame constraint, and restocking can only be with liter
The flexible transmission for realizing restocking upper and lower displacement of drop oil cylinder；Another is wobbling action：When oscillating oil cylinder component stretches, by be hinged
Bent-arm swing span realize swinging arm, the swing mechanism enables to swing span to be swung in 0 to 90 degree, while swing span
The rotation supporting material roller of top assembling can reduce friction during retainer.
2nd, aluminium section bar drawing-in machine automatic lifting feed mechanism of the present invention, hoist cylinder component mainly by tail hinged seat, oil cylinder,
Cylinder rod adapter sleeve and bearing pin composition.Cylinder rod adapter sleeve is directly fastenedly connected with middle frame, and tail hinged seat is fixed.Cylinder rod adapter sleeve is to rise
The executive component of drop action, inbuilt displacement sensor in oil cylinder, pass through the section bar sectional dimension signal at jaw and control cylinder rod to connect
The elongation of female connector.
3rd, aluminium section bar drawing-in machine automatic lifting feed mechanism of the present invention, judges according to orthopedic section bar supplied materials length signals is treated
Whether every group of oscillating oil cylinder acts, and oscillating oil cylinder, which stretches out, drives swing span action to arrive vertical position, and hoist cylinder is cut according to supplied materials
Face signal stretches out, and drives restocking to move up, by the supporting material roller multi-point support material of swing span to jaw center, is treated after jaw material folding
Orthopedic section bar carries out tension straingtening, while hoist cylinder is retracted, and oscillating oil cylinder is retracted, whole reset, the realization of whole mechanism
Action can be controlled using PLC control system, can so improve the production and processing efficiency for treating orthopedic section bar and processing
Security, reduce employment cost.
4th, aluminium section bar drawing-in machine automatic lifting feed mechanism of the present invention, swing span lifting feed mechanism, which uses, expects length in material
The method of middle multi-point support lifting solves the problems, such as the deflection deformation feeding of rice heavy type material, also using it is multiple can the oil cylinder of single control cut with scissors
The swinging structure of connecting lever is connect, when avoiding because of profile length difference, fixing end jaw position is different and caused interference and collision.And can
Jaw center will be delivered to after the section bar Intelligent adjustment lift height of different cross section height, ensures that both sides jaw material folding stably may be used
Lean on.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is aluminium section bar drawing-in machine automatic lifting feeding machine structure schematic diagram of the present invention；
Fig. 2 is that aluminium section bar drawing-in machine automatic lifting feed mechanism of the present invention is arranged on structural representation on aluminium section bar drawing-in machine
Figure；
Fig. 3 is swing mechanism structural representation in the embodiment of the present invention；
Fig. 4 is aluminium section bar drawing-in machine automatic lifting feed mechanism front view of the present invention；
Fig. 5 is aluminium section bar drawing-in machine automatic lifting feed mechanism top view of the present invention.
Embodiment
The preferred embodiments of the present invention will be described in detail below.
Reference in Figure of description includes：
Main stretching oil cylinder 1, mobile terminal jaw 2, treat orthopedic section bar 3, horizontal infeed conveyor 4, fixing end jaw 5, lifting
Feed mechanism 6, position-limited rack 7, chassis 8, middle frame 9, hoist cylinder component 10, restocking 11, swing span 12, position detecting switch 13,
Oscillating oil cylinder component 14, connecting lever 15, rotating shaft 16, sliding bearing 17, bearing 18, supporting material roller 19.
Aluminium section bar drawing-in machine automatic lifting feed mechanism as shown in Figure 2, including treat orthopedic section bar 3, lifting feed mechanism
6th, the lifting both sides of feed mechanism 6 are installed on and be open relative mobile terminal jaw 2 and fixing end jaw 5, fixing end jaw 5 are fixed
In the frame in lifting feed mechanism 6 outside, the connection of the outside of mobile terminal jaw 2 drives U-shaped jaw along treating orthopedic section bar 3
The main stretching oil cylinder 1 of axial movement.Treat that the termination of orthopedic section bar 3 is placed in the jaw of mobile terminal jaw 2 and fixing end jaw 5,
Treat that the orthopedic lower section of section bar 3 is provided with horizontal infeed conveyor 4.What multiple horizontal infeed conveyors 4 were sent treats the orthopedic (length of section bar 3
Much larger than sectional dimension), it is mobile after lifting feed mechanism 6 delivers to the jaw center of mobile terminal jaw 2 and fixing end jaw 5
The oil cylinder of end jaw 2 and fixing end jaw 5, which stretches out, tightens up jaw clamping section bar, is had an effect by main stretching oil cylinder 1 and stretches correction section bar.
Lifting feed mechanism 6 as shown in Figure 1, Figure 4 and Figure 5 includes chassis 8, middle frame 9, the and of restocking 11 successively from top to bottom
The position-limited rack 7 of multigroup troffer structure, 11 liang of side lower parts of restocking are fixedly mounted in swing mechanism as shown in Figure 3, the both sides of chassis 8
Multigroup wedge and roller is fixedly mounted, roller is assemblied in the groove of position-limited rack 7, and the inside groove of position-limited rack 7 and matching somebody with somebody for roller are combined into restocking
11 provide the constraint of horizontal direction, restocking 11 is moved up and down.
The roller of multi-group bearing is installed, the inclined-plane of wedge contacts with the roller of middle frame 9, and the middle outside of frame 9 connects on middle frame 9
Hoist cylinder component 10, middle frame 9 are that shaped steel welds frame structure, are directly fastenedly connected with hoist cylinder, there is multi-group bearing
Roller structure, middle frame 9 can realize horizontal displacement with the flexible of hoist cylinder.Roller on middle frame 9 by middle frame 9 directly and restocking
The mode of 11 wedges contact is changed into the lifting and driving of restocking 11.Hoist cylinder component 10 is connected by tail hinged seat, oil cylinder, cylinder rod
Set and bearing pin composition, cylinder rod adapter sleeve are fastenedly connected with middle frame 9, and tail hinged seat is fixed on base.Cylinder rod adapter sleeve is lifting
The executive component of action, inbuilt displacement sensor in oil cylinder, cylinder rod can be controlled by the section bar sectional dimension signal at jaw
The elongation of adapter sleeve.
Swing mechanism includes bearing 18, oscillating oil cylinder component 14 and two swing spans 12, bearing 18 and is fixedly mounted on restocking
11 tops, the rotating shaft 16 that both ends are fixed on bearing 18 is fixedly mounted between the bottom of swing span 12, slip is arranged with outside rotating shaft 16
Bearing 17, sliding bearing 17 are fastened on bearing 18.Connecting lever 15 is fixedly mounted in the middle part of rotating shaft 16, and connecting lever 15 is away from swing span 12
One end is hinged on oscillating oil cylinder component 14.Supporting material roller 19 is installed, supporting material roller 19 is set in sliding axle between the top of swing span 12
Hold outside 17, supporting material roller 19 is arranged on swing span 12 by sliding bearing 17.Oscillating oil cylinder component 14 by middle hinged seat, oil cylinder,
Cylinder rod adapter sleeve and bearing pin composition, middle hinged seat are fastenedly connected with restocking 11, and cylinder rod adapter sleeve passes through hinge swing span 12.
Cylinder rod adapter sleeve is the executive component of wobbling action by hinge swing span 12.
Bearing 18 is provided with position detecting switch 13 with the position that swing span 12 is connected, and position detecting switch 13 includes support
With the proximity switch being fixedly mounted on support.Position detecting switch 13 is anchored on by the top swing span 12 of restocking 11, for control
Program provides the limit mechanical position signalling of swing span 12.The realization action of whole mechanism can use PLC control system to carry out
Control, the production and processing efficiency for treating orthopedic section bar 3 and the security of processing can be so improved, reduces employment cost.
When the large aluminum profile drawing-in machine automatic lifting feed mechanism works, the proximity switch root in position detecting switch 13
Judge whether every group of oscillating oil cylinder component 14 needs action, it is necessary to the pendulum of action according to the orthopedic length signals of section bar 3 for the treatment of detected
Dynamic cylinder component 14 is stretched out, and the connecting lever 15 being hinged with oscillating oil cylinder component 14 rotates, and oscillating oil cylinder component 14, which stretches out to drive, to be swung
Frame 12 acts, and adjusts the horizontal level that orthopedic section bar 3 is treated on swing span 9.The hoist cylinder of the middle side of frame 9 is according to treating orthopedic section bar
3 supplied materials section signals stretch out, and drive restocking 11 to be moved upwards up to correct position, pass through the multi-point support of supporting material roller 19 of swing span 12
Material is to jaw center, and after mobile terminal jaw 2 and the material folding of fixing end jaw 5, the oil cylinder of mobile terminal jaw 2 and fixing end jaw 5 is stretched
Go out to tighten up jaw and clamp section bar, main stretching oil cylinder 1, which is had an effect, stretches correction section bar.Hoist cylinder is retracted simultaneously, and oscillating oil cylinder is retracted,
Whole aluminium section bar drawing-in machine automatic lifting feed mechanism 6 resets.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (8)
1. a kind of large aluminum profile drawing-in machine automatic lifting feed mechanism, it is characterised in that including treating orthopedic section bar, lifting feeding
Mechanism, lifting feed mechanism both sides and the relative U-shaped jaw of opening are installed on, are connected on the outside of the U-shaped jaw of wherein at least one
Have and drive U-shaped jaw to include successively from top to bottom along the main stretching oil cylinder for treating orthopedic section bar axial movement, lifting feed mechanism
Chassis, middle frame, restocking and swing mechanism, chassis both sides are installed with the position-limited rack of some troffer structures, restocking both sides
Bottom is fixedly mounted some groups of wedges and roller, roller and is assemblied in the groove of position-limited rack, is provided with middle frame some with bearing
Roller, the inclined-plane of wedge contact with the roller of middle frame, are connected with hoist cylinder component on the outside of middle frame, swing mechanism include bearing,
Oscillating oil cylinder component and two swing spans, bearing are fixedly mounted on restocking top, and being installed with both ends between swing span fixes
Rotating shaft on bearing, rotating shaft middle part are installed with connecting lever, and the one end of connecting lever away from swing span is hinged on oscillating oil cylinder component
On.
2. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 1, it is characterised in that the U-shaped pincers
Mouth includes mobile terminal jaw and fixing end jaw, and mobile terminal jaw and fixing end jaw are separately mounted to lift feed mechanism two
End, main stretching oil cylinder are arranged on side of the mobile terminal jaw away from fixing end jaw.
3. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 1, it is characterised in that it is described treat it is orthopedic
The termination of section bar is placed in the jaw of two U-shaped jaws, treats to be provided with horizontal infeed conveyor below orthopedic section bar.
4. the large aluminum profile drawing-in machine automatic lifting feed mechanism as described in claim 2~3 is any, it is characterised in that institute
Hoist cylinder component to be stated to be made up of tail hinged seat, oil cylinder, cylinder rod adapter sleeve and bearing pin, cylinder rod adapter sleeve is fastenedly connected with middle frame,
Tail hinged seat is fixed on base.
5. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 4, it is characterised in that outside the rotating shaft
Sliding bearing is arranged with, sliding bearing is fastened on bearing.
6. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 5, it is characterised in that swing span is remote
Rotating shaft one end is provided with supporting material roller, and supporting material roller is set in outside sliding bearing, and supporting material roller is arranged on swing span by sliding bearing.
7. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 6, it is characterised in that oscillating oil cylinder group
Part is made up of middle hinged seat, oil cylinder, cylinder rod adapter sleeve and bearing pin, and middle hinged seat is fastenedly connected with restocking, and cylinder rod adapter sleeve passes through
Hinge swing span.
8. large aluminum profile drawing-in machine automatic lifting feed mechanism as claimed in claim 7, it is characterised in that bearing is with swinging
The position of frame connection is provided with position detecting switch, and the position detecting switch includes support and is fixedly mounted on connecing on support
Nearly switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877716.3A CN107497876A (en) | 2017-09-25 | 2017-09-25 | A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877716.3A CN107497876A (en) | 2017-09-25 | 2017-09-25 | A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107497876A true CN107497876A (en) | 2017-12-22 |
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ID=60698788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710877716.3A Pending CN107497876A (en) | 2017-09-25 | 2017-09-25 | A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298457A (en) * | 2018-03-30 | 2018-07-20 | 苏州伊而雅精密部件有限公司 | Automatic jacking equipment |
| CN108328506A (en) * | 2018-03-30 | 2018-07-27 | 苏州伊而雅精密部件有限公司 | A kind of lifting device |
| CN108500079A (en) * | 2018-03-14 | 2018-09-07 | 佛山市南海品锐机械有限公司 | A kind of drawing-in machine and method is stretched using the proximate matter of the drawing-in machine |
| CN109482452A (en) * | 2018-10-31 | 2019-03-19 | 龙图节能铝材（宣城）有限公司 | Aluminum profile vertical powder workmanship of spraying plastics |
| CN112390018A (en) * | 2020-11-06 | 2021-02-23 | 辽宁忠旺机械设备制造有限公司 | Automatic stacking device for aluminum profile finished products |
| CN116372590A (en) * | 2023-03-31 | 2023-07-04 | 武汉高能激光设备制造有限公司 | Automatic uncoiling and straightening production line for metal coiled material |
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| CN102400697A (en) * | 2011-11-09 | 2012-04-04 | 三一重型装备有限公司 | Timbering machine and tunneling machine applying same |
| CN202393238U (en) * | 2011-12-21 | 2012-08-22 | 东风模具冲压技术有限公司 | Adjustable lifting movement work trolley for heat treatment |
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| CN106077161A (en) * | 2016-07-21 | 2016-11-09 | 太仓贝斯特机械设备有限公司 | A kind of aluminium section bar drawing-in machine with self-cleaning function and method of work thereof |
| CN206215696U (en) * | 2016-12-07 | 2017-06-06 | 辽宁忠旺机械设备制造有限公司 | The online drawing-in machine of aluminium section bar |
| JP2017159344A (en) * | 2016-03-11 | 2017-09-14 | Ｊｆｅスチール株式会社 | Coil feeding device and method |
| CN207188493U (en) * | 2017-09-25 | 2018-04-06 | 辽宁忠旺机械设备制造有限公司 | A kind of large aluminum profile drawing-in machine automatic lifting feed mechanism |
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| CN2337119Y (en) * | 1998-07-14 | 1999-09-08 | 平顶山煤业(集团)有限责任公司技术中心 | Device for aligning belts for conveyer |
| CN102400697A (en) * | 2011-11-09 | 2012-04-04 | 三一重型装备有限公司 | Timbering machine and tunneling machine applying same |
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| CN106077161A (en) * | 2016-07-21 | 2016-11-09 | 太仓贝斯特机械设备有限公司 | A kind of aluminium section bar drawing-in machine with self-cleaning function and method of work thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500079A (en) * | 2018-03-14 | 2018-09-07 | 佛山市南海品锐机械有限公司 | A kind of drawing-in machine and method is stretched using the proximate matter of the drawing-in machine |
| CN108500079B (en) * | 2018-03-14 | 2019-04-05 | 佛山市南海品锐机械有限公司 | A kind of drawing-in machine and method is straightened using the profile of the drawing-in machine |
| CN108298457A (en) * | 2018-03-30 | 2018-07-20 | 苏州伊而雅精密部件有限公司 | Automatic jacking equipment |
| CN108328506A (en) * | 2018-03-30 | 2018-07-27 | 苏州伊而雅精密部件有限公司 | A kind of lifting device |
| CN109482452A (en) * | 2018-10-31 | 2019-03-19 | 龙图节能铝材（宣城）有限公司 | Aluminum profile vertical powder workmanship of spraying plastics |
| CN112390018A (en) * | 2020-11-06 | 2021-02-23 | 辽宁忠旺机械设备制造有限公司 | Automatic stacking device for aluminum profile finished products |
| CN116372590A (en) * | 2023-03-31 | 2023-07-04 | 武汉高能激光设备制造有限公司 | Automatic uncoiling and straightening production line for metal coiled material |
| CN116372590B (en) * | 2023-03-31 | 2023-10-13 | 武汉高能激光设备制造有限公司 | Automatic uncoiling and straightening production line for metal coiled material |
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