CN109352058A - A kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug - Google Patents

A kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug Download PDF

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Publication number
CN109352058A
CN109352058A CN201811519541.XA CN201811519541A CN109352058A CN 109352058 A CN109352058 A CN 109352058A CN 201811519541 A CN201811519541 A CN 201811519541A CN 109352058 A CN109352058 A CN 109352058A
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CN
China
Prior art keywords
fixed
sliding rail
presser feet
welded
workbench
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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
Application number
CN201811519541.XA
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Chinese (zh)
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CN109352058B (en
Inventor
许平
张亚晴
周陶勇
孙军峰
董为民
孙东明
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN201811519541.XA priority Critical patent/CN109352058B/en
Publication of CN109352058A publication Critical patent/CN109352058A/en
Application granted granted Critical
Publication of CN109352058B publication Critical patent/CN109352058B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D15/00Shearing machines or shearing devices cutting by blades which move parallel to themselves
    • B23D15/04Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D15/00Shearing machines or shearing devices cutting by blades which move parallel to themselves
    • B23D15/12Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor
    • B23D15/14Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor actuated by fluid or gas pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D33/00Accessories for shearing machines or shearing devices
    • B23D33/02Arrangements for holding, guiding, and/or feeding work during the operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The present invention relates to a kind of dedicated shears of hydraulic direct-acting type electricity nickel lifting lug, belong to mechanical equipment technical field.The present invention includes table device, sliding rail conveyer, foot device, box body device, cuts ear device;Table device is placed on the ground, and box body device, which is bolted, to be mounted on table device, is cut ear device and is mounted on box body device, and foot device is fixed on table device two sides, and sliding rail conveyer is mounted on the upper surface of table device.Material can be transported to suitable position by sliding rail conveyer by the present invention, ear device is cut to material automatic shearing, material will be transported next station again and carry out the processes such as coding packaging after having cut, and substantially increase production efficiency, it works safe and reliable to operation, meets the requirement of automated production.

Description

A kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug
Technical field
The present invention relates to a kind of dedicated shears of hydraulic direct-acting type electricity nickel lifting lug, and especially one kind can be with automatic quick The lifting lug device in electric nickel plate is cut, mechanical equipment technical field is belonged to.
Background technique
The excellent performances such as electrolytic nickel product has purity is high, and magazine content is low, and fusing point is high, and corrosion resistance is strong, in cold, heat Under state, satisfactory mechanical properties such as pressure processing, thus be used widely in the industry, traditional mode be by manually come It is sheared, process is cumbersome and efficiency is extremely low.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug, the devices Hand labor can be replaced, reduce labor intensity and improved labor efficiency.
The technical scheme is that a kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug, including table device, Sliding rail conveyer, box body device, cuts ear device at foot device;Table device is placed on the ground, and box body device passes through spiral shell It tethers to connect and be mounted on table device, cut ear device and be mounted on box body device, foot device is fixed on table device two Side, sliding rail conveyer are mounted on the upper surface of table device.
The table device includes: crossbeam, panel, material gasket, objective table, presser feet gasket, presser feet oil cylinder gasket, H Fashioned iron;Table device bottom frame is welded by crossbeam and panel, and H profile steel has been welded as support column in two sides, is strengthened The ability to bear of table device, it is contemplated that economical and practical, one piece of objective table, presser feet gasket have been welded in the lower section of table device Be welded on the edge in two sides gap among table surface, presser feet oil cylinder gasket be welded on workbench two sides two H profile steels it Between slot in, material cushion block welding is on table surface, the closely side of presser feet gasket.
The sliding rail conveyer includes: sliding rail, flake fixed frame, sliding rail tailstock, cylinder piston rod, cylinder block, cunning Rail guide rail, baffle ring, backing pin;Sliding rail guide rail is fixed by screws on the surface of workbench, bilateral symmetry.Sliding rail is mounted on sliding rail On guide rail, sliding rail tailstock is fixed by screws on the tail end of sliding rail, and baffle ring is fixed on the slide rail by backing pin, prevents material from existing It is slid during transporting, cylinder block is fixed on table surface by cylinder supports plate, and cylinder piston rod is fixed by flake Frame is connected on sliding rail tailstock.
The foot device includes: presser feet, presser feet oil cylinder, universal joint, presser feet support plate;Presser feet is by front and back two parts group At two-by-two by three rectangular blocks, 90 ° weld together first half, and seaming chuck is welded in presser feet front end, and three rectangular blocks are two-by-two Junction, welding gore are firm.Presser feet latter half is welded together by rectangular block and fixed frame, and two parts pass through cylinder Pin connection, presser feet oil cylinder are fixed by screws on the oil cylinder gasket of workbench two sides, and the fixed frame of presser feet passes through workbench two The gap of side is linked together with the universal joint of oil cylinder tail end by pin shaft, and presser feet support plate is fixed by screws in work On the presser feet gasket of platform gap two sides, it is used to fixing presser foot, presser feet passes through the promotion of presser feet oil cylinder, firmly pressed by the pressure head of head end At this moment firmly material can be sheared.
The box body device includes: bottom plate, upper plate, floor, middle layer bottom plate, plate muscle, middle layer riser, is axially determined panel Position block;Two pieces of bottom plates of cabinet are fixed by a pin on table surface, and the panel of two sides is welded on bottom plate, inside panel Upper straight floor is welded in side, and outer lower end welds upper triangle floor, reinforces its stability, and lower layer position is welded in box house One piece of bottom plate, for accepting middle layer riser, four plate muscles are fixed by a pin on the riser of middle layer, two axially position block difference It is fixed in plate muscle.
The ear device of cutting includes: cutting ear oil cylinder, support plate, axially covers, puts knife rest, knife I, knife rest platform, toolsetting block, knife II, track is finely tuned;Support plate is fixed by screws in plate muscle, is cut ear oil cylinder and is fixed in two support plates, puts knife rest and fix On axially position block, ear oil cylinder is cut in upper end connection, and knife II is fixed on axially position block, is linked together with knife rest is put.It puts The axial set of II two sides of knife rest and knife, by bolt, is fixed on axially position block.Knife rest platform is bolted on workbench On, since during shearing, huge power will lead between upper and lower knife rest, be subjected to displacement, so in knife rest platform bottom, It designs bolt and finely tunes track, and be finely adjusted by toolsetting block cutter setting frame platform, toolsetting block includes: toolsetting frame, bolt, nut;Spiral shell Bolt passes through toolsetting frame, withstands on knife rest platform, and the length passed through by controlling bolt, cutter setting frame platform is finely adjusted.
The beneficial effects of the present invention are:
1, the configuration of the present invention is simple is, it can be achieved that degree is high, mechanism it is highly reliable.
2, the present invention greatly reduces the artificial amount of labour and labor intensity, ensures production for replacing artificial shearing Process safety greatly improves production efficiency.
3, manufacturing cost and maintenance cost of the present invention are low, convenient maintenance, therefore, have very strong promotion price Value.
Detailed description of the invention
Fig. 1 is structure structural schematic diagram of the present invention;
Fig. 2 is table device structural schematic diagram of the present invention;
Fig. 3 is sliding rail conveyer structural schematic diagram of the present invention;
Fig. 4 is foot device structural schematic diagram of the present invention;
Fig. 5 is presser feet component structural schematic diagram of the present invention;
Fig. 6 is box body device structural schematic diagram of the present invention;
Fig. 7 is that the present invention cuts ear apparatus structure schematic diagram;
Fig. 8 is knife rest platform bottom bolts fine tuning track structure schematic diagram of the present invention;
Fig. 9 is toolsetting block part structural schematic diagram of the present invention.
In figure: 1- table device, 2- sliding rail conveyer, 3- foot device, 4- box body device, 5- cut ear device, 6- Crossbeam, 7- panel, 8- material gasket, 9- objective table, 10- presser feet gasket, 11- presser feet oil cylinder gasket, 12-H fashioned iron, 13- sliding rail, 14- flake fixed frame, 15- sliding rail tailstock, 16- cylinder piston rod, 17- cylinder block, 18- sliding rail guide rail, 19- baffle ring, 20- gear Pin, 21- presser feet, 22- presser feet oil cylinder, 23- universal joint, 24- presser feet support plate, 25- rectangular block, 26- gore, 27- are solid Determine frame, 28- straight pin, 29- pressure head, 30- bottom plate, 31- panel, 32- upper plate, 33- floor, the middle layer 34- bottom plate, 35- plate muscle, The middle layer 36- riser, 37- axially position block, the straight floor of 38-, 39- toolsetting block, 40- knife rest platform, 41- knife II, 42- cut ear oil cylinder, 43- support plate, 44- axially cover, and 45- puts knife rest, 46- knife I, and 47- finely tunes track, 48- toolsetting frame, 49- bolt, 50- nut, 51- electricity nickel plate.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1: as shown in figs 1-9, a kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug, including table device 1, sliding rail conveyer 2, foot device 3, box body device 4, cut ear device 5;Table device 1 is placed on the ground, cabinet dress It sets 5 and is bolted and be mounted on table device 1, cut ear device 5 and be mounted on box body device 4, foot device 3 is fixed on 1 two sides of table device, sliding rail conveyer 2 are mounted on the upper surface of table device 1.
Further, the table device 1 include crossbeam 6, panel 7, material gasket 8, objective table 9, presser feet gasket 10, Presser feet oil cylinder gasket 11, H profile steel 12;1 bottom frame of table device is welded by crossbeam 6 and panel 7, bottom frame two sides It is welded with the H profile steel 12 as support column, strengthens the ability to bear of table device 1, the lower section welding one of table device 1 Block objective table 9, presser feet gasket 10 are welded on the edge in two sides gap among 1 surface of workbench, and presser feet oil cylinder gasket 11 is welded on In slot between two H profile steels 12 of workbench two sides, material cushion block 8 is welded on 1 surface of workbench, closely presser feet gasket 10 Side.
Further, the sliding rail conveyer 2 includes sliding rail 13, flake fixed frame 14, sliding rail tailstock 15, cylinder piston Bar 16, cylinder block 17, sliding rail guide rail 18, baffle ring 19, backing pin 20;Sliding rail guide rail 18 is fixed by screws in the table of workbench 1 On face and bilateral symmetry, sliding rail 13 are mounted on sliding rail guide rail 18, and sliding rail tailstock 15 is fixed by screws in the tail of sliding rail 13 On end, baffle ring 19 is fixed on sliding rail 13 by backing pin 20, and cylinder block 17 is fixed on 1 table of workbench by cylinder supports plate Face, cylinder piston rod 16 are connected on sliding rail tailstock 15 by flake fixed frame 14.
Further, the foot device 3 includes presser feet 21, presser feet oil cylinder 22, universal joint 23, presser feet support plate 24; Presser feet 21 is made of front and back two parts, and first half is made of three rectangular blocks 25, and each rectangular block 25 is welded between any two with 90 ° It being connected together, 21 front end of presser feet is welded with pressure head 29, and junction is welded with gore 26 to three rectangular blocks 25 between any two, 21 latter half of presser feet is welded together by rectangular block 25 and fixed frame 27, and two parts are connected by straight pin 28, presser feet oil cylinder 22 are fixed by screws on the oil cylinder gasket 11 of 1 two sides of workbench, and the fixed frame 27 of presser feet 21 passes through the seam of 1 two sides of workbench Gap is linked together with the universal joint 23 of 22 tail end of oil cylinder by pin shaft, and presser feet support plate 24 is fixed by screws in work On the presser feet gasket 10 of 1 gap two sides of platform, it is used to fixing presser foot 21.Presser feet 21 passes through the promotion of presser feet oil cylinder 22, by head end Pressure head 29 firmly pushes down material, at this moment can be sheared.
Further, the box body device 4 includes bottom plate 30, panel 31, upper plate 32, floor 33, middle layer bottom plate 34, plate muscle 35, middle layer riser 36, axially position block 37;Two pieces of bottom plates 30 of box body device 4 are fixed by a pin on 1 surface of workbench, The panel 31 of two sides is welded on bottom plate 30, and 31 the inside side of panel is welded with straight floor 38, and outer lower end is welded with triangle Floor 33 reinforces its stability, and one piece of bottom plate 34 is welded in lower layer position in 4 inside of box body device, for accepting middle layer riser 36, Four plate muscles 35 are fixed by a pin on middle layer riser 36, and two axially position blocks 37 are separately fixed in plate muscle 35.
Further, the ear device 5 of cutting includes cutting ear oil cylinder 42, support plate 43, axial set 44, putting knife rest 40, knife I 46, knife rest platform 40, toolsetting block 39, knife II 41, fine tuning track 47;Support plate 43 is fixed by screws in plate muscle 35, cuts ear oil Cylinder 42 is fixed in two support plates 43, put knife rest 45 be fixed on axially position block 37, the upper end connection cut ear oil cylinder 42, knife II 41 be fixed on axially position block 37, with put knife rest 45 and link together, put the axial set 44 of II 41 two sides of knife rest 45 and knife It is bolted on axially position block 37, knife rest platform 40 is bolted on workbench 1 due to the process in shearing In, huge power will lead between upper and lower knife rest, be subjected to displacement, so design bolt finely tunes track in 40 bottom of knife rest platform 47, and be finely adjusted by 39 cutter setting frame platform 40 of toolsetting block,
The toolsetting block includes toolsetting frame 48, bolt 49, nut 50;Bolt 49 passes through toolsetting frame 48 and withstands on knife rest platform 40, The length passed through by controlling bolt 49, cutter setting frame platform 40 are finely adjusted.
In use, electric nickel plate 51 is placed on knife rest platform 40, the baffle ring 19 on sliding rail 13 is moveable, and is moved when baffle ring moves 19 To electric nickel plate 51 four Angle Positions when, backing pin 20 be inserted into baffle ring 19 in.Then, cylinder drives sliding rail 13 to move forwards, sliding rail Baffle ring 19 on 13 also pushes electric nickel plate 51, the forward slip on knife rest platform 40, when the lifting lug of electric nickel plate 51 slides into above and below When position between cutter, presser feet oil cylinder 22 is started to work, and is pushed presser feet 21, is pushed down electric nickel plate 51.At this moment, ear oil cylinder 42 is cut to push away Cutter II 41 downwards, is sheared electric 51 lifting lug of nickel plate.
In conjunction with attached drawing, the embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept Put that various changes can be made.

Claims (6)

1. a kind of dedicated shear of hydraulic direct-acting type electricity nickel lifting lug, it is characterised in that: transported including table device (1), sliding rail It send device (2), foot device (3), box body device (4), cut ear device (5);Table device (1) is placed on the ground, cabinet Device (5), which is bolted, to be mounted on table device (1), is cut ear device (5) and is mounted on box body device (4), presser feet Device (3) is fixed on table device (1) two sides, and sliding rail conveyer (2) is mounted on the upper surface of table device (1).
2. the dedicated shear of hydraulic direct-acting type electricity nickel lifting lug according to claim 1, it is characterised in that: the workbench Device (1) includes crossbeam (6), panel (7), material gasket (8), objective table (9), presser feet gasket (10), presser feet oil cylinder gasket (11), H profile steel (12);Table device (1) bottom frame is welded by crossbeam (6) and panel (7), the weldering of bottom frame two sides It is connected to the H profile steel (12) as support column, one piece of objective table (9), presser feet gasket (10) weldering are welded in the lower section of table device (1) The edge in the two sides gap among workbench (1) surface is connect, presser feet oil cylinder gasket (11) is welded on two H-types of workbench two sides In slot between steel (12), material cushion block (8) is welded on workbench (1) surface, closely the side of presser feet gasket (10).
3. the dedicated shear of hydraulic direct-acting type electricity nickel lifting lug according to claim 1, it is characterised in that: the sliding rail fortune Sending device (2) includes sliding rail (13), flake fixed frame (14), sliding rail tailstock (15), cylinder piston rod (16), cylinder block (17), sliding rail guide rail (18), baffle ring (19), backing pin (20);Sliding rail guide rail (18) is fixed on the surface of workbench (1) and a left side Right symmetrical, sliding rail (13) is mounted on sliding rail guide rail (18), and sliding rail tailstock (15) is fixed on the tail end of sliding rail (13), baffle ring (19) it is fixed on sliding rail (13) by backing pin (20), cylinder block (17) is fixed on workbench (1) table by cylinder supports plate Face, cylinder piston rod (16) are connected on sliding rail tailstock (15) by flake fixed frame (14).
4. the dedicated shear of hydraulic direct-acting type electricity nickel lifting lug according to claim 1, it is characterised in that: the presser feet dress Setting (3) includes presser feet (21), presser feet oil cylinder (22), universal joint (23), presser feet support plate (24);Presser feet (21) is by front and back two It is grouped as, first half is made of three rectangular blocks (25), and each rectangular block (25) is welded together between any two with 90 °, pressure Foot (21) front end is welded with pressure head (29), and junction is welded with gore (26) three rectangular blocks (25) between any two, pressure Foot (21) latter half is welded together by rectangular block (25) and fixed frame (27), and two parts are connected by straight pin (28), pressure Foot oil cylinder (22) is fixed on the oil cylinder gasket (11) of workbench (1) two sides, and the fixed frame (27) of presser feet (21) passes through workbench (1) gap of two sides is linked together with the universal joint (23) of oil cylinder (22) tail end by pin shaft, and presser feet support plate (24) is solid It is scheduled on the presser feet gasket (10) of workbench (1) gap two sides, is used to fixing presser foot (21).
5. the dedicated shear of hydraulic direct-acting type electricity nickel lifting lug according to claim 1, it is characterised in that: the cabinet dress Setting (4) includes bottom plate (30), panel (31), upper plate (32), floor (33), middle layer bottom plate (34), plate muscle (35), middle layer riser (36), axially position block (37);Two pieces of bottom plates (30) of box body device (4) are fixed on workbench (1) surface, the panel of two sides (31) it is welded on bottom plate (30), side is welded with straight floor (38) inside panel (31), and outer lower end is welded with triangular fin Plate (33), one piece of bottom plate (34), the fixed riser in middle level of four plate muscles (35) are welded in lower layer position in box body device (4) inside (36) on, two axially position blocks (37) are separately fixed on plate muscle (35).
6. the dedicated shear of hydraulic direct-acting type electricity nickel lifting lug according to claim 1, it is characterised in that: described to cut ear dress Setting (5) includes cutting ear oil cylinder (42), support plate (43), axial set (44), putting knife rest (40), knife I (46), knife rest platform (40), adjust Cutter block (39), knife II (41), fine tuning track (47);Support plate (43) is fixed on plate muscle (35), is cut ear oil cylinder (42) and is fixed on On two support plates (43), put knife rest (45) be fixed on axially position block (37), the upper end connection cut ear oil cylinder (42), knife II (41) be fixed on axially position block (37), with put knife rest (45) and link together, put knife rest (45) and knife II (41) two sides Axial set (44) is fixed on axially position block (37), and knife rest platform (40) is fixed on workbench (1) and is located at knife rest platform (40) Bottom;
The toolsetting block includes toolsetting frame (48), bolt (49), nut (50);Bolt (49) passes through toolsetting frame (48) and withstands on knife On pallet (40).
CN201811519541.XA 2018-12-12 2018-12-12 Special shearing mechanism of hydraulic pressure direct-acting type electric nickel lug Active CN109352058B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811519541.XA CN109352058B (en) 2018-12-12 2018-12-12 Special shearing mechanism of hydraulic pressure direct-acting type electric nickel lug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811519541.XA CN109352058B (en) 2018-12-12 2018-12-12 Special shearing mechanism of hydraulic pressure direct-acting type electric nickel lug

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CN109352058A true CN109352058A (en) 2019-02-19
CN109352058B CN109352058B (en) 2023-10-10

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201752785U (en) * 2010-02-26 2011-03-02 山西太钢不锈钢股份有限公司 Strip-steel test material shearing device
CN203304672U (en) * 2013-05-16 2013-11-27 昆明理工大学 Light sheet metal shearing machine synchronously driven by double oil cylinders
CN203343523U (en) * 2013-07-16 2013-12-18 安徽双力机床制造有限公司 Hydraulic gate type guillotine shear
CN103769674A (en) * 2014-01-25 2014-05-07 安徽省三力机床制造股份有限公司 Oil cylinder upward-placed angle shearing machine
WO2015032112A1 (en) * 2013-09-03 2015-03-12 深圳市赢合科技股份有限公司 Tab preparing device and cell winding apparatus having same
CN205571555U (en) * 2016-03-11 2016-09-14 昆明理工大学 Feeding device is cuted to electricity nickel lug with adjustable
CN106270715A (en) * 2016-08-27 2017-01-04 刘雷 A kind of oblique sword of hydraulic pressure is cut
CN108856836A (en) * 2018-07-06 2018-11-23 江苏英杰铝业有限公司 A kind of dedicated cutter of heat radiator aluminium profile production

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201752785U (en) * 2010-02-26 2011-03-02 山西太钢不锈钢股份有限公司 Strip-steel test material shearing device
CN203304672U (en) * 2013-05-16 2013-11-27 昆明理工大学 Light sheet metal shearing machine synchronously driven by double oil cylinders
CN203343523U (en) * 2013-07-16 2013-12-18 安徽双力机床制造有限公司 Hydraulic gate type guillotine shear
WO2015032112A1 (en) * 2013-09-03 2015-03-12 深圳市赢合科技股份有限公司 Tab preparing device and cell winding apparatus having same
CN103769674A (en) * 2014-01-25 2014-05-07 安徽省三力机床制造股份有限公司 Oil cylinder upward-placed angle shearing machine
CN205571555U (en) * 2016-03-11 2016-09-14 昆明理工大学 Feeding device is cuted to electricity nickel lug with adjustable
CN106270715A (en) * 2016-08-27 2017-01-04 刘雷 A kind of oblique sword of hydraulic pressure is cut
CN108856836A (en) * 2018-07-06 2018-11-23 江苏英杰铝业有限公司 A kind of dedicated cutter of heat radiator aluminium profile production

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