CN107282994A - The accurate scale hot-metal sawing machine of high speed - Google Patents
The accurate scale hot-metal sawing machine of high speed Download PDFInfo
- Publication number
- CN107282994A CN107282994A CN201610210014.5A CN201610210014A CN107282994A CN 107282994 A CN107282994 A CN 107282994A CN 201610210014 A CN201610210014 A CN 201610210014A CN 107282994 A CN107282994 A CN 107282994A
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- China
- Prior art keywords
- saw
- hot
- sawing machine
- base
- pull
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/08—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
- B23D47/10—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom actuated by fluid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/12—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
Abstract
The invention provides a kind of accurate scale hot-metal sawing machine of high speed, for hot finished steel pipe, shape rolling mill production line, by pipe, steel pipe, shaped steel and bar hot saw cutting section, have the advantages that saw cutting speed height, economical and energy saving, sawing cross section quality be good, saw life is long.Relatively conventional swing type and sliding-frame hot saw machine, the present invention eliminates backhaul action, and saw body carries out large range of acceleration and deceleration, so as to avoid a large amount of consumption of kinetic energy during it.Body is sawed to be arranged in the form of revoliving arm on rolling bearing pedestal, the design of saw is greatly simplified, and add the reliability of saw.Saw blade is arranged on revolution saw body, around centre of gyration revolution, and carries out rotation, and revolution hot saw is among protective cover framework, is reduced noise, is prevented steel cuttings from splashing, and safety and is easy to sawblade-replacing.Saw the revolution of body and the rotation of saw blade is driven by two separate electrical motors respectively.Saw body is revolved one-turn, and hot base is sawed-off, and saw blade is moved in the vertical plane of hot base along orbital path.
Description
Technical field
The present invention relates to field of metallurgy, and in particular to a kind of high speed essence by the disconnected segmentation of pipe, steel pipe, shaped steel and bar hot saw
Certainly chi hot-metal sawing machine, for hot finished steel pipe, shape rolling mill production line.
Background technology
The disconnected segmentation of current pipe, steel pipe, shaped steel and bar hot saw, by the cold-hot condition of cutting of steel (base) material can be divided into hot-metal sawing machine and
Cold sawing machine, can be divided into gas flame cuttiug and sawing etc. by cutting mode, and sawing can be divided into disk saw sawing and with saw sawing.It is right
Yu Lenggang, it is general using disk-type friction saw, disc type hard alloy saw or belt cold sawing machine sawing, it is general to use for hot steel
Flame cutting machine or disc type hot-metal sawing machine sawing, and traditional hot-metal sawing machine, typically all swing type and slide-like, prior art
It is helicoid.
Traditional swing type and sliding-frame hot saw machine have pressure, lift and forward, retreat two alternating movements, add saw body sheet
The effect of body inertia and saw blade tooth form, directly affect rhythm of production, and its saw cutting speed is slow and production capacity is not high, energy consumption is big, saw
Sawing section has stream slag and burr, poor quality after pad wear.
The content of the invention
The invention provides a kind of accurate scale hot-metal sawing machine of high speed, for hot finished steel pipe, type steel production line, by pipe, steel
The disconnected segmentation of pipe, shaped steel and bar hot saw, to solve, saw cutting speed is slow and production capacity is not high, energy consumption is big, sawing section poor quality
The problems such as.
Therefore, the present invention proposes a kind of accurate scale hot-metal sawing machine of high speed, for hot finished steel pipe, type steel production line, by pipe,
The disconnected segmentation of steel pipe, shaped steel and bar hot saw.The accurate scale hot-metal sawing machine of described high speed includes：
Saw blade 1, on saw body 2；
Saw body 2 to be arranged on the output shaft of reductor 8, and be seated on base 9；
Saw body 2 be equipped with counterweight 7, saw body 2 on driving pulley 6 and driven pulley 4 connected by V bands 12, and with compression
Wheel 5 compresses V bands；
Saw body 2 high speed rotating saw blade 1, sawed-off steel (base) material 10 on bin 11 while revolution；
Saw body 2 is protected when operating by protective cover 3.
Described hot-metal sawing machine, in addition to：Described saw blade 1 is arranged on pallet 19 by gland 20；Described pallet 19 is consolidated
It is scheduled on and is arranged on follower shaft 15：Described follower shaft 15 is arranged on saw body 2 by driven pulley bearing 17：It is described
Driven pulley 4 be fixed on follower shaft 15.
Further, the hot-metal sawing machine also includes：Described contact roller 5 is arranged on wheel pressing shaft 14 by pinch roller bearing 16：
Described wheel pressing shaft 14 is fixed on saw body 2.
Further, the hot-metal sawing machine also includes：Described driving pulley 6 is fixed on drive sprocket axle 13；Described active
Wheel shaft 13 is arranged on saw body 2 by drive wheel bearing 18；Described drive sprocket axle 13 passes through the output shaft of reductor 8.
Further, the hot-metal sawing machine also includes：Described sawing motor 22 couples drive sprocket axle by sawing shaft coupling 21
13。
Further, the hot-metal sawing machine also includes：Described turning motor 24 couples reductor 8 by turning round shaft coupling 23
Input shaft.
Further, the hot-metal sawing machine also includes：Transmission system as it is a kind of saw body revolution driving form preferred scheme,
The described driving rack 26 of push-and-pull hydraulic cylinder 28, and gear 25 is rotated, so as to drive saw body 2 to turn round；Described pushes away
Hydraulic cylinder 28 is drawn to be arranged on push-and-pull base 27.
Further, described gear 25 is assemblied in gear-box 31；Described gear-box 31 is fixed on gear base
On 32.
Further, the described cylinder head of push-and-pull hydraulic cylinder 28 is equipped with push-and-pull wheel 30, promotes longeron 37 to move forward and backward；
Described rack 26 is placed in longeron 37.Longeron 37 causes rack 26 to be engaged with gear 25 through gear-box 31.
Yet further, described lifting hydraulic cylinder 29 pulls swing arm 34 so that the raising and lowering of longeron 37；Described liter
Descending liquid cylinder pressure 29 is arranged on gear base 32；Two described swing arms 34 are connected synchronous by pull bar 33, and respectively
It is fixed on by bearing block 35 on gear base 32.
Yet further, in described transmission system, as the further preferred scheme of Driven by Hydraulic Cylinder form, described pushes away
Hydraulic cylinder 43 is drawn to be arranged on by trunnion base 42 on crank base 41；The described cylinder head of push-and-pull hydraulic cylinder 43 connection both arms are bent
The galianconism of handle 39；Described bell crank 39 is arranged on crank base 41 by bearing block 40；Described bell crank
39 it is long-armed by pull bar 38 couple longeron 37 so that moving forward and backward with carry-over bar 26.
The present invention is while body revolution is sawed, and saw blade rotates at a high speed simultaneously, and hot saw break pipe, steel pipe, shaped steel and bar, saws
Cutting speed degree is high, energy-conservation, the advantages of sawing cross section quality is good, saw life is long.
Brief description of the drawings
Fig. 1 is hot-metal sawing machine operation principle elevational schematic view of the invention；
Fig. 2 is the planar structure schematic cross-sectional view of the hot-metal sawing machine (motor rotation scheme) of the present invention；
Fig. 3 is the floor map of the rack push-and-pull gear scheme of the present invention；
Fig. 4 is the elevational schematic view of the first rack push-and-pull gear scheme of the embodiment of the present invention；
Fig. 5 is the elevational schematic view of second of rack push-and-pull gear scheme of the embodiment of the present invention；
Drawing reference numeral explanation：
The base 10 of 1 saw blade 2 saw body 3 protective cover, 4 driven pulley, 5 contact roller, 6 driving pulley, 7 counterweight, 8 reductor 9
The follower shaft of 16 pinch roller bearing of steel (base) material 11 bin, 12 V bands, 13 drive sprocket axle, 14 wheel pressing shaft, 15 follower shaft 17
Hold the sawing motor 23 of 18 drive wheel bearing, 19 pallet, 20 gland, 21 sawing shaft coupling 22 revolution shaft coupling 24 and turn round electricity
The pinion stand 32 of 30 push-and-pull wheel of machine 25 gear, 26 rack, 27 push-and-pull base, 28 push-and-pull hydraulic cylinder, 29 lifting hydraulic cylinder 31
The bearing block of 39 bell crank of gear base 33 pull bar, 34 swing arm, 35 bearing block, 36 roller, 37 longeron, 38 pull bar 40
The push-and-pull hydraulic cylinder of 41 crank base, 42 trunnion base 43
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control brief description of the drawings is of the invention.
As shown in figure 1, the present invention proposes a kind of accurate scale hot-metal sawing machine of high speed, for hot finished steel pipe, type steel production line,
By the disconnected segmentation of pipe, steel pipe, shaped steel and bar hot saw.Hot-metal sawing machine includes：Saw blade 1, on saw body 2；Saw body 2
On the output shaft of reductor 8, and it is seated on base 9；Saw the main belt that body 2 is equipped with counterweight 7, saw body 2
Wheel 6 and driven pulley 4 are connected by V bands 12, and compress V bands with contact roller 5；3 protective actions of protective cover, are protected
Ship sth. under guard the saw body 2 turned；Saw the high speed rotating saw blade 1 while revolution of body 2, disconnected steel (base) material on bin 11 of hot saw
10。
Further, as shown in Fig. 2 the present invention hot-metal sawing machine, in addition to：Described saw blade 1 is arranged on by gland 20
Pallet 19；Described pallet 19, which is fixed on, to be arranged on follower shaft 15；Described follower shaft 15 passes through follower shaft
17 are held to be arranged on saw body 2；Described driven pulley 4 is fixed on follower shaft 15.Described contact roller 5 passes through pressure
Wheel bearing 16 is arranged on wheel pressing shaft 14；Described wheel pressing shaft 14 is fixed on saw body 2.Described driving pulley 6 is fixed
On drive sprocket axle 13；Described drive sprocket axle 13 is arranged on saw body 2 by drive wheel bearing 18；Described driving wheel
Axle 13 passes through the output shaft of reductor 8.The hot-metal sawing machine also includes：Described sawing motor 22 passes through sawing shaft coupling 21
Couple drive sprocket axle 13.The hot-metal sawing machine also includes：Described turning motor 24 couples reductor by turning round shaft coupling 23
8 input shaft.
The motor of sawing motor 22 at the uniform velocity rotates, and the experience initial position of turning motor 24 starts, accelerated, at the uniform velocity sawing, stopping of slowing down
The stages such as return, it is ensured that high speed sawing rhythm.
Further, as shown in figure 3, the transmission system of the hot-metal sawing machine saws the preferred of body revolution driving form as a kind of
Scheme, the described driving rack 26 of push-and-pull hydraulic cylinder 28, and gear 25 is rotated, so as to drive saw body 2 to turn round：Institute
The push-and-pull hydraulic cylinder 28 stated is arranged on push-and-pull base 27.
As shown in figure 4, described gear 25 is assemblied in gear-box 31；Described gear-box 31 is fixed on gear base
On 32.The described cylinder head of push-and-pull hydraulic cylinder 28 is equipped with push-and-pull wheel 30, promotes longeron 37 to move forward and backward；Described rack
26 are placed in longeron 37.Longeron 37 causes rack 26 to be engaged with gear 25 through gear-box 31.
Described lifting hydraulic cylinder 29 pulls swing arm 34 so that the raising and lowering of longeron 37；Described lifting hydraulic cylinder 29
On gear base 32；Two described swing arms 34 are connected synchronous by pull bar 33, and pass through bearing block respectively
35 are fixed on gear base 32.
Yet further, as shown in figure 5, in described transmission system, being used as the further preferred side of Driven by Hydraulic Cylinder form
Case, described push-and-pull hydraulic cylinder 43 is arranged on crank base 41 by trunnion base 42；The described cylinder of push-and-pull hydraulic cylinder 43
The galianconism of head connection bell crank 39；Described bell crank 39 is arranged on crank base 41 by bearing block 40；Institute
The long-armed of the bell crank 39 stated couples longeron 37 by pull bar 38, so that moving forward and backward with carry-over bar 26.
Driven by Hydraulic Cylinder rack-and-pinion preferred scheme, a hot saw cut four processes of Periodic decomposition, i.e. rack retreats, decline,
Advance, rise.Hot-metal sawing machine hot saw Pipe Cutting base, steel pipe, shaped steel and bar when rack goes journey, now at lifting hydraulic cylinder 29
In retracted mode, push-and-pull hydraulic cylinder 28 or 43 is shunk, and rack 26 is retreated, in this process, and gear 25 drives saw body 2 times
Circle, hot-metal sawing machine completes sawing；Then lifting hydraulic cylinder 29 stretches out, and rack declines, in bottom；Raise-lower hydraulic after again
Cylinder 29 is in stretching state, and push-and-pull hydraulic cylinder 28 or 43 stretches out, and rack 26 advances；Last lifting hydraulic cylinder 29 is retracted,
Rack rises, and in upper, that is, engages initial bit；Said one hot saw cut cycle rack 26 complete advance, decline, retreat,
Rise four actions, it is ensured that high speed sawing rhythm.
The present invention is based on revolution design, and saw blade is around central rotation.Relatively conventional swing type and sliding-frame hot saw machine, this hair
Bright saw body carries out large range of acceleration and deceleration, eliminate the pressure of swing type and sliding-frame hot saw, lift and forward, retrogressing machine
Structure, so that a large amount of consumption of the kinetic energy during avoiding it.Body is sawed to be arranged in the form of revoliving arm on rolling bearing pedestal,
The design of saw is greatly simplified, and adds the reliability of saw.Saw blade is arranged on revolution saw body, around the centre of gyration
Revolution, and carry out rotation, revolution hot saw is among protective cover framework, reduces noise, prevents that steel cuttings from flying , safety and sanitation,
It is easy to sawblade-replacing.Saw the revolution of body and the rotation of saw blade is driven by two single motors respectively.Hot saw break steel (base) material when,
Saw blade is moved in the vertical plane of steel (base) material along orbital path, than traditional hot-metal sawing machine energy-conservation, efficient, sawing cross section quality
Good, saw life is long.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.For the present invention
Each part can be mutually combined under conditions of not conflicting, any those skilled in the art is not departing from the present invention
Design and principle on the premise of the equivalent variations made and modification, the scope of protection of the invention all should be belonged to.
Claims (11)
1. a kind of accurate scale hot-metal sawing machine of high speed, for hot finished steel pipe, shape rolling mill production line, by pipe ring, steel pipe,
Shaped steel and the disconnected segmentation of bar hot saw, it is characterised in that the accurate scale hot-metal sawing machine of described high speed includes：Saw blade (1),
On saw body (2)；
Described saw body (2) is arranged on the output shaft of reductor (8), and is seated on base (9)；
Described saw body (2) is equipped with driving pulley (6) and driven pulley (4) on counterweight (7), saw body (2)
Connected by V bands (12), and V bands are compressed with contact roller (5)；
Described saw body (2) high speed rotating saw blade (1), the sawed-off steel on bin (11) while revolution
(base) material (10)；
Protected when described saw body (2) is operated by protective cover (3).
2. hot-metal sawing machine as claimed in claim 1, it is characterised in that the saw blade (1) passes through gland (20)
Installed in pallet (19)；Described pallet (19), which is fixed on, to be arranged on follower shaft (15)；Described is driven
Wheel shaft (15) is arranged on saw body (2) by driven pulley bearing (17)；Described driven pulley (4) is fixed on
On follower shaft (15).
3. hot-metal sawing machine as claimed in claim 1, it is characterised in that described contact roller (5) passes through wheel pressing shaft
(16) are held on wheel pressing shaft (14)；Described wheel pressing shaft (14) is fixed on saw body (2).
4. hot-metal sawing machine as claimed in claim 1, it is characterised in that described driving pulley (6) is fixed on master
On the axis of a movable block (13)；Described drive sprocket axle (13) is arranged on saw body (2) by drive wheel bearing (18)；
Described drive sprocket axle (13) passes through the output shaft of reductor (8).
5. hot-metal sawing machine as claimed in claim 1, it is characterised in that described sawing motor (22) passes through sawing
Shaft coupling (21) connection drive sprocket axle (13).
6. hot-metal sawing machine as claimed in claim 1, it is characterised in that described turning motor (24) passes through revolution
The input shaft of shaft coupling (23) connection reductor (8).
7. hot-metal sawing machine as claimed in claim 1, it is characterised in that in described transmission system, body is sawed as one kind
The preferred scheme of revolution driving form, described push-and-pull hydraulic cylinder (28) driving rack (26), and cause gear (25)
Rotation, so as to drive saw body (2) revolution；Described push-and-pull hydraulic cylinder (28) is arranged on push-and-pull base (27).
8. drive system as claimed in claim 7, it is characterised in that described gear (25) is assemblied in gear
In case (31)；Described gear-box (31) is fixed on gear base (32).
9. drive system as claimed in claim 7, it is characterised in that described push-and-pull hydraulic cylinder (28) cylinder head
Push-and-pull wheel (30) is equipped with, promotes longeron (37) to move forward and backward；Described rack (26) is placed in longeron (37)
It is interior.
10. drive system as claimed in claim 7, it is characterised in that described lifting hydraulic cylinder (29) is drawn
Movable pendulum arm (34) so that longeron (37) raising and lowering：Described lifting hydraulic cylinder (29) is arranged on gear bottom
On seat (32)；Two described swing arms (34) are connected synchronous by pull bar (33), and pass through bearing block respectively
(35) it is fixed on gear base (32).
11. drive system as claimed in claim 7, it is characterised in that in described transmission system, be used as hydraulic pressure
The further preferred scheme of cylinder drive form, described push-and-pull hydraulic cylinder (43) is arranged on song by trunnion base (42)
On handle base (41)；The galianconism of described push-and-pull cylinder (43) cylinder head connection bell crank (39)；Described both arms
Crank (39) is arranged on crank base (41) by bearing block (40)；The length of described bell crank (39)
Arm couples longeron (37) by pull bar (38), so that moving forward and backward with carry-over bar (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210014.5A CN107282994A (en) | 2016-04-01 | 2016-04-01 | The accurate scale hot-metal sawing machine of high speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210014.5A CN107282994A (en) | 2016-04-01 | 2016-04-01 | The accurate scale hot-metal sawing machine of high speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107282994A true CN107282994A (en) | 2017-10-24 |
Family
ID=60093004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610210014.5A Pending CN107282994A (en) | 2016-04-01 | 2016-04-01 | The accurate scale hot-metal sawing machine of high speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107282994A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356351A (en) * | 2018-05-18 | 2018-08-03 | 大连三高科技发展有限公司 | Hot-metal sawing machine flywheel energy storage saw cutting device |
| CN108380971A (en) * | 2018-05-18 | 2018-08-10 | 大连三高科技发展有限公司 | The eccentric feed arrangement of hot-metal sawing machine |
| CN108380969A (en) * | 2018-05-18 | 2018-08-10 | 大连三高科技发展有限公司 | High-speed hot cutting metal annular sawing machine |
| CN108480772A (en) * | 2018-03-14 | 2018-09-04 | 石家庄钢铁有限责任公司 | A kind of rolled piece saw cutting device |
| CN109014429A (en) * | 2018-10-10 | 2018-12-18 | 贵州大学 | A kind of fully-automatic metal material cutting machine |
| CN110587806A (en) * | 2019-08-31 | 2019-12-20 | 浙江深澳机械工程有限公司 | Pressing wheel driving device for swing arm type lining machine and working method of pressing wheel driving device |
| CN110961712A (en) * | 2018-09-30 | 2020-04-07 | 台山市昊富美电器有限公司 | Cutting equipment with protection mechanism |
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| JPH0890334A (en) * | 1994-09-26 | 1996-04-09 | Sumitomo Metal Ind Ltd | Rotary hot saw device for steel pipe |
| CN201020566Y (en) * | 2006-08-11 | 2008-02-13 | 孙立国 | Round ingot saw machine oscillated by lever arm |
| CN202804345U (en) * | 2012-09-24 | 2013-03-20 | 中天钢铁集团有限公司 | Heat sawing machine capable of sampling on-line |
| CN202963625U (en) * | 2012-12-11 | 2013-06-05 | 浙江晨龙锯床股份有限公司 | Sawing machine swing mechanism |
| CN204912307U (en) * | 2015-08-24 | 2015-12-30 | 江阴富华机械有限公司 | Rotatory cold bed of marching type drilling rod |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890334A (en) * | 1994-09-26 | 1996-04-09 | Sumitomo Metal Ind Ltd | Rotary hot saw device for steel pipe |
| CN201020566Y (en) * | 2006-08-11 | 2008-02-13 | 孙立国 | Round ingot saw machine oscillated by lever arm |
| CN202804345U (en) * | 2012-09-24 | 2013-03-20 | 中天钢铁集团有限公司 | Heat sawing machine capable of sampling on-line |
| CN202963625U (en) * | 2012-12-11 | 2013-06-05 | 浙江晨龙锯床股份有限公司 | Sawing machine swing mechanism |
| CN204912307U (en) * | 2015-08-24 | 2015-12-30 | 江阴富华机械有限公司 | Rotatory cold bed of marching type drilling rod |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480772A (en) * | 2018-03-14 | 2018-09-04 | 石家庄钢铁有限责任公司 | A kind of rolled piece saw cutting device |
| CN108356351A (en) * | 2018-05-18 | 2018-08-03 | 大连三高科技发展有限公司 | Hot-metal sawing machine flywheel energy storage saw cutting device |
| CN108380971A (en) * | 2018-05-18 | 2018-08-10 | 大连三高科技发展有限公司 | The eccentric feed arrangement of hot-metal sawing machine |
| CN108380969A (en) * | 2018-05-18 | 2018-08-10 | 大连三高科技发展有限公司 | High-speed hot cutting metal annular sawing machine |
| CN108356351B (en) * | 2018-05-18 | 2024-01-05 | 大连三高科技发展有限公司 | Flywheel energy-storage sawing device for hot sawing machine |
| CN108380969B (en) * | 2018-05-18 | 2024-01-05 | 大连三高科技发展有限公司 | High-speed hot-cutting metal circular sawing machine |
| CN110961712A (en) * | 2018-09-30 | 2020-04-07 | 台山市昊富美电器有限公司 | Cutting equipment with protection mechanism |
| CN109014429A (en) * | 2018-10-10 | 2018-12-18 | 贵州大学 | A kind of fully-automatic metal material cutting machine |
| CN109014429B (en) * | 2018-10-10 | 2020-06-12 | 贵州大学 | Full-automatic metal material cutting machine |
| CN110587806A (en) * | 2019-08-31 | 2019-12-20 | 浙江深澳机械工程有限公司 | Pressing wheel driving device for swing arm type lining machine and working method of pressing wheel driving device |
| CN110587806B (en) * | 2019-08-31 | 2023-11-21 | 杭州春风机械工程股份有限公司 | Pinch roller driving device for swing arm type lining machine and working method thereof |
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Application publication date: 20171024 |