CN107378490A - Two sets of cutter devices of blast-furnace tuyere - Google Patents
Two sets of cutter devices of blast-furnace tuyere Download PDFInfo
- Publication number
- CN107378490A CN107378490A CN201710548004.7A CN201710548004A CN107378490A CN 107378490 A CN107378490 A CN 107378490A CN 201710548004 A CN201710548004 A CN 201710548004A CN 107378490 A CN107378490 A CN 107378490A
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- Prior art keywords
- cutter
- sets
- base
- blast
- travel mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
Abstract
The invention discloses a kind of two sets of cutter devices of blast-furnace tuyere, the device includes being used for the cutter that two sets of surfaces of blast-furnace tuyere are carried out with milling, also include being used for driving cutter rotation simultaneously and the cutter rotating mechanism circumferentially to revolve round the sun, be arranged on cutter rotating mechanism bottom and for driving Y-direction travel mechanism that it moves along Y-direction, being arranged under Y-direction travel mechanism it can be driven to be slidably matched along X to the X moved to travel mechanism, the Y-direction travel mechanism and X between travel mechanism for Y-direction.The present invention is cut for two sets using the mechanical traditional flame cutting mode that substitutes to air port, not only meet the environmental requirement in the cutting process of two sets of air port, the resource reclaim for realizing two sets of air port copper material recycles, and considerably reduces labor strength, improves replacing efficiency.
Description
Technical field
The present invention relates to cutter device, in particular to a kind of two sets of cutter devices of blast-furnace tuyere.
Background technology
Two sets of blast-furnace tuyere be mainly used in position blast-furnace tuyere, and blast-furnace tuyere be for blast fumance provide high-temperature hot-air,
The nucleus equipment of coal dust equal energy source medium, therefore blast furnace interior flow field is distributed its disassembly and installation precision and conditions of blast furnace has
Very big influence.
In the prior art, the Chinese invention patent that Authorization Notice No. is CN204690027U discloses a kind of replacing blast furnace wind
Mouthfuls two sets of specific purpose tool, the device hit after including ring, direction controlling ring, long-drawn-out hammer, it is preceding hit ring, small kickstand, trundle,
Fixing device, hook etc..The device is although simple in construction, easy to use, but substantial amounts of manpower is needed in changing, and hand labor is strong
Degree is big, and because blast furnace lining under hot environment and the deformation of two sets of air port, this method almost can not be by the dismountings of two sets of air port.
In addition, the Chinese invention patent that Authorization Notice No. is CN204824940U discloses a kind of blast furnace of fast changeable
Two sets of air port, the device are connected cold by two sets of air port body, the copper strips for being connected to the two sets of body upper parts in air port, copper strips lower surface
But the cooling water cavity composition formed between water inlet pipe, discharge pipe, two sets of air port body and copper strips inside and outside wall, it is characterised in that：
The outer surface of copper strips is provided with annular groove, in actual use, due to the deformation of two sets of air port, still can only be cut using flame
Mode is cut to remove air port for two sets.
In summary, the dismounting both at home and abroad to two sets of blast-furnace tuyere there is no effective way, can only be cut using traditional flame
Cut and destructive dismounting is carried out to two sets of air port, do not simply fail to the copper material resource progress recycling to two sets of air port, and
Which operating ambient temperature is high, labor strength is big, technical merit requires high.In addition, using traditional gas flame cuttiug side
Method can produce a large amount of dust and black smoke in cutting process, and harm is brought to environment, be unable to reach the environmental requirement of country.
The content of the invention
Present invention aim to provide a kind of two sets of cutter devices of blast-furnace tuyere, the device utilizes machine cut mode
Substitute traditional gas flame cuttiug mode to cut off blast-furnace tuyere for two sets, the money of two sets of copper materials of blast-furnace tuyere can not only be realized
Source recycling, and labor strength can be considerably reduced, meet national requirements for environmental protection.
To achieve the above object, two sets of cutter devices of blast-furnace tuyere designed by the present invention, including for blast-furnace tuyere
Two sets of surfaces carry out the cutter of milling, and it is characterized in that：Also include being used for what is driven cutter rotation simultaneously and circumferentially revolve round the sun
Cutter rotating mechanism, it is arranged on cutter rotating mechanism bottom and is used to driving Y-direction travel mechanism that it moves along Y-direction, is arranged on Y-direction
It can be driven to be between travel mechanism to the X moved to travel mechanism, the Y-direction travel mechanism and X along X under travel mechanism
Y-direction is slidably matched；
The cutter rotating mechanism includes electric rotating machine, reductor, the flange being set on the output shaft outer ring of reductor
Disk, the rotary shaft being connected with the output shaft of reductor, the connecting shaft being set on rotary shaft outer ring and there is accommodating chamber
End cap；
The output shaft of the electric rotating machine and the input shaft of reductor are connected, and the output shaft of the reductor passes through key
One end of groove and rotary shaft is connected, the other end of the rotary shaft penetrated to the extension of end cap direction in the accommodating chamber of end cap and
Large helical gear is fixedly installed in its end；
The output shaft of the reductor is fixedly connected by connecting key with being set in the ring flange of its outer ring；The connecting shaft
One end be fixedly connected with ring flange, the other end is fixedly connected with end cap；The cutter is arranged on the top of end cap by bearing,
And the central axial direction of cutter is vertical with the central axial direction of rotary shaft；The bottom of the cutter is into the accommodating chamber of end cap
Extension and be provided with the bevel pinion being meshed with large helical gear in its end, the cutter can electric rotating machine driving similarly hereinafter
When central axis rotation along cutter itself and the central axis along rotary shaft circumferentially revolve round the sun.So, cutter can be along rotary shaft
Central axis circumferentially revolution to blast-furnace tuyere two sets cut, while cutter can also along itself central axis carry out soon
Two sets of surfaces of blast-furnace tuyere carry out rotation milling by speed rotation, stock-removing efficiency of the significant increase to two sets of blast-furnace tuyere.
Further, the Y-direction travel mechanism, which includes being arranged on, is secured to the first base of connection, sets below reductor
Put the first slide unit below the middle part of first base, the first screw mandrel being threadedly coupled through the middle part of the first slide unit with it, with
And for driving the first motor of the first screw mandrel rotation, the first base can rotate in the driving lower band cutter of the first motor
Axial direction of the mechanism along the first screw mandrel moves relative to X to travel mechanism.
Further, the X includes being arranged on the second bottom being slidably matched with its Y-direction below first base to travel mechanism
Seat, it is arranged on lower section in the middle part of second base and is secured to the second slide unit of connection, through the middle part of the second slide unit and its screw thread company
The second screw mandrel for connecing, the second motor for driving the rotation of the second screw mandrel and second base bottom and its X are arranged on to slip
The guide groove of cooperation, the second base can drive Y-direction travel mechanism and cutter rotating mechanism edge under the driving of the second motor
The axial direction of second screw mandrel moves relative to guide groove.
Further, the bottom of the first base is provided with two parallel with the first screw mandrel axial direction first and is oriented to
Chute, the first guide rail being slidably matched with the first guide chute is provided with the top of the second base, the first base can
Moved in the driving lower band cutter rotating mechanism of the first motor along the first guide rail.So, when the first electric motor starting, first
Bar rotates and drives first base to be moved along the first guide rail relative to X to travel mechanism, realizes reductor and cutter Y-direction position
The adjustment put.
Further, the two bottom sides of the second base are provided with second parallel with the second screw mandrel axial direction and are oriented to
Groove, the top both sides of the guide groove are provided with the second guide rail being slidably matched with the second guiding groove, the second base
Under the driving of the second motor Y-direction travel mechanism and cutter rotating mechanism can be driven to be moved along the second guide rail.So, when the second electricity
When machine rotates, in the second screw mandrel rotation forces second base and Y-direction travel mechanism mounted thereon and cutter rotating mechanism
Move in X direction, realize the reasonable adjusting of cutter horizontal feed amount.
Further, the bottom of the guide groove is provided with the fixed mounted seat being used cooperatively with outside mounting platform.
So, it can be fixed on by fixed mounted seat on mounting platform, avoid being moved in the course of the work.
Yet further, it is provided with bearing between the both ends outer ring of the rotary shaft and the inwall of connecting shaft.
Further, bolt assembly is passed through between the ring flange and connecting shaft, between the end cap and connecting shaft
It is fixedly connected.
Compared with prior art, the advantage of the invention is that：
First, the present invention using large helical gear and the combined design of bevel pinion, realize cutter spinning milling and
The compound motion of circumferential revolution cutting, smart structural design, effectively increases Tool in Cutting efficiency, and can pass through reasonable adjusting
Cutter spin rotary speed is adjusted large and small helical gear parameter, meets the requirement of different stock-removing efficiencies.
Second, the present invention is combined by X to travel mechanism with Y-direction travel mechanism, such cutter can be in corresponding motor
Driving under along X to or Y-direction move, reasonable adjusting can not only be carried out to the position of cutter according to the actual requirements, and realize
The fast feed of Tool advance amount and Precise control.
Third, the present invention is cut for two sets using the mechanical traditional flame cutting mode that substitutes to air port, not only meet
Environmental requirement in the cutting process of two sets of air port, the resource reclaim for realizing two sets of air port copper material recycle, and significantly
Degree reduces labor strength, improves replacing efficiency.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of two sets of cutter devices of blast-furnace tuyere；
Fig. 2 is along the structural representation in A-A directions in Fig. 1；
Fig. 3 is along the structural representation in B directions in Fig. 1；
Fig. 4 is along the structural representation in C-C directions in Fig. 1；
Fig. 5 is Fig. 1 overlooking the structure diagram.
In figure, cutter 1, cutter rotating mechanism 2, electric rotating machine 2.1, reductor 2.2, ring flange 2.3, rotary shaft 2.4, company
Spindle 2.5, end cap 2.6, accommodating chamber 2.61, large helical gear 2.7, bevel pinion 2.8, Y-direction travel mechanism 3, first base 3.1,
First guide chute 3.11, the first slide unit 3.2, the first screw mandrel 3.3, the first motor 3.4, X are to travel mechanism 4, second base
4.1st, the first guide rail 4.11, second is oriented to groove 4.12, the second slide unit 4.2, the second screw mandrel 4.3, the second motor 4.4, guide groove
4.5th, the second guide rail 4.51, fixed mounted seat 5, bearing 6.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Two sets of cutter devices of a kind of blast-furnace tuyere shown in figure, including for carrying out milling to two sets of surfaces of blast-furnace tuyere
Cutter 1, for drive cutter 1 simultaneously rotation and circumferentially revolve round the sun cutter rotating mechanism 2, be arranged on the bottom of cutter rotating mechanism 2
Portion, which is used to driving the Y-direction travel mechanism 3 that it moves along Y-direction, is arranged on Y-direction travel mechanism can drive it for 3 times along X to moving
X is slidably matched to travel mechanism 4, Y-direction travel mechanism 3 and X between travel mechanism 4 for Y-direction；
Cutter rotating mechanism 2 includes electric rotating machine 2.1, reductor 2.2, is set on the output shaft outer ring of reductor 2.2
Ring flange 2.3, the rotary shaft 2.4 being connected with the output shaft of reductor 2.2, the company that is set on the outer ring of rotary shaft 2.4
Spindle 2.5 and the end cap 2.6 with accommodating chamber 2.61, between the both ends outer ring of rotary shaft 2.4 and the inwall of connecting shaft 2.5
It is provided with bearing 6；
The output shaft of electric rotating machine 2.1 is connected with the input shaft of reductor 2.2, and the output shaft of reductor 2.2 passes through
Keyway and one end of rotary shaft 2.4 are connected, and the other end of rotary shaft 2.4 penetrates end cap 2.6 to the extension of the direction of end cap 2.6
Large helical gear 2.7 is fixedly installed in accommodating chamber 2.61 and in its end；
The output shaft of reductor 2.2 is fixedly connected by connecting key with being set in the ring flange 2.3 of its outer ring；Connecting shaft
2.5 one end is fixedly connected by bolt assembly with ring flange 2.3, and the other end is fixedly connected by bolt assembly with end cap 2.6；
Cutter 1 is arranged on the top of end cap 2.6, and the central axis side of the central axial direction of cutter 1 and rotary shaft 2.4 by bearing
To vertical；The bottom of cutter 1 extends and is provided with its end and the phase of large helical gear 2.7 into the accommodating chamber 2.61 of end cap 2.6
The bevel pinion 2.8 of engagement, cutter 1 can under the driving of electric rotating machine 2.1 simultaneously along cutter 1 itself central axis rotation and
Circumferentially revolved round the sun along the central axis of rotary shaft 2.4.When electric rotating machine 2.1 rotates, the output shaft of reductor 2.2 drives connecting shaft
2.4th, end cap 2.6, cutter 1 rotate along the central axis of rotary shaft 2.4 together；Meanwhile the output shaft of reductor 2.2 can also drive
Rotary shaft 2.4, large helical gear 2.7 rotate along the central axis of rotary shaft 2.4 together, and pass through large helical gear 2.7 and small helical teeth
Wheel 2.8 is with central axis rotation of the cutter 1 along cutter 1, so when electric rotating machine 2.1 rotates, cutter 1 can be along rotary shaft
2.4 central axis circumferentially cut for two sets blast-furnace tuyere by revolution, while cutter 1 can also enter along the central axis of itself
Two sets of surfaces of blast-furnace tuyere carry out rotation milling by the quick rotation of row, stock-removing efficiency of the significant increase to two sets of blast-furnace tuyere.
Y-direction travel mechanism 3 includes being arranged on the lower section of reductor 2.2 and is secured to the first base 3.1 of connection, is arranged on the
The first slide unit 3.2 below the middle part of one base 3.1, the first screw mandrel being threadedly coupled through the middle part of the first slide unit 3.2 with it
3.3 and for drive the first screw mandrel 3.3 rotation the first motor 3.4, first base 3.1 can be in the driving of the first motor 3.4
Axial direction of the lower band cutter rotating mechanism 2 along the first screw mandrel 3.3 moves relative to X to travel mechanism 4.First base 3.1
Bottom be provided with two first guide chutes 3.11 parallel with the axial direction of the first screw mandrel 3.3, the top of second base 4.1
The first guide rail 4.11 being slidably matched with the first guide chute 3.11 is provided with, first base 3.1 can be in the drive of the first motor 3.4
Dynamic lower band cutter rotating mechanism 2 moves along the first guide rail 4.11.So, when the first motor 3.4 starts, the first screw mandrel 3.3
Rotate and drive first base 3.1 to be moved along the first guide rail 4.11 relative to X to travel mechanism 4, realize reductor and knife
Has the adjustment of Y-direction position.
X includes being arranged on the second base 4.1 being slidably matched with its Y-direction below first base 3.1, set to travel mechanism 4
Put and the second slide unit 4.2 of connection is secured to below the middle part of second base 4.1, through the middle part of the second slide unit 4.2 and its spiral shell
Line connection the second screw mandrel 4.3, for drive the second screw mandrel 4.3 rotation the second motor 4.4 and be arranged on second base
With its X to the guide groove 4.5 being slidably matched, second base 4.1 can drive Y-direction to move under the driving of the second motor 4.4 for 4.1 bottoms
The axial direction of motivation structure 3 and cutter rotating mechanism 2 along the second screw mandrel 4.3 moves relative to guide groove 4.5.Second base 4.1
Two bottom sides be provided with parallel with the axial direction of the second screw mandrel 4.3 second and be oriented to groove 4.12, the top two of guide groove 4.5
Side is provided with the second guide rail 4.51 being slidably matched with the second guiding groove 4.12, and second base 4.1 can be in the second motor 4.4
Driving is lower to drive Y-direction travel mechanism 3 and cutter rotating mechanism 2 to be moved along the second guide rail 4.51.The bottom of guide groove 4.5 is provided with
The fixed mounted seat 5 being used cooperatively with the mounting platform of outside.So, when the second motor 4.4 rotates, in the second screw mandrel 4.3
Rotation forces second base 4.1 and Y-direction travel mechanism 3 mounted thereon and cutter rotating mechanism 2 move in X direction, real
The reasonable adjusting of the existing horizontal feed amount of cutter 1.
It these are only the embodiment of the present invention, it is noted that any those skilled in the art are in this hair
In bright disclosed technical scope, the change or replacement that can readily occur in should be all included within the scope of the present invention.
Claims (8)
1. a kind of two sets of cutter devices of blast-furnace tuyere, including for two sets of surfaces of blast-furnace tuyere to be carried out with the cutter (1) of milling, its
It is characterised by：Also include be used for drive cutter (1) and meanwhile rotation and circumferentially revolve round the sun cutter rotating mechanism (2), be arranged on cutter
Rotating mechanism (2) bottom is used to driving the Y-direction travel mechanism (3) that it moves along Y-direction, be arranged on can under Y-direction travel mechanism (3)
It is driven to be slided along X to the X moved to travel mechanism (4), the Y-direction travel mechanism (3) and X between travel mechanism (4) for Y-direction
It is dynamic to coordinate；
The cutter rotating mechanism (2) includes electric rotating machine (2.1), reductor (2.2), the output for being set in reductor (2.2)
The rotary shaft (2.4) of the output shaft drive connection of ring flange (2.3) and reductor (2.2) on axle outer ring, it is set in rotary shaft
(2.4) connecting shaft on outer ring (2.5) and the end cap (2.6) with accommodating chamber (2.61)；
The output shaft of the electric rotating machine (2.1) is connected with the input shaft of reductor (2.2), the reductor (2.2)
Output shaft is connected by one end of keyway and rotary shaft (2.4), and the other end of the rotary shaft (2.4) is to end cap (2.6)
Direction extension penetrates in the accommodating chamber (2.61) of end cap (2.6) and large helical gear (2.7) is fixedly installed in its end；
The output shaft of the reductor (2.2) is fixedly connected by connecting key with being set in the ring flange (2.3) of its outer ring；It is described
One end of connecting shaft (2.5) is fixedly connected with ring flange (2.3), and the other end is fixedly connected with end cap (2.6)；The cutter (1)
The top of end cap (2.6), and the central axis of the central axial direction of cutter (1) and rotary shaft (2.4) are arranged on by bearing
Direction is vertical；The bottom of the cutter (1) into the accommodating chamber (2.61) of end cap (2.6) extension and be provided with its end with greatly
The bevel pinion (2.8) that helical gear (2.7) is meshed, the cutter (1) can be under the drivings of electric rotating machine (2.1) simultaneously along knife
The central axis rotation of tool (1) itself and the central axis circumferentially revolution along rotary shaft (2.4).
2. two sets of cutter devices of blast-furnace tuyere according to claim 1, it is characterised in that：Y-direction travel mechanism (3) bag
Include to be arranged on below reductor (2.2) and be secured to the first base (3.1) of connection, be arranged on the middle part of first base (3.1)
The first slide unit (3.2) of lower section, the first screw mandrel (3.3), the Yi Jiyong being threadedly coupled through the middle part of the first slide unit (3.2) with it
In the first motor (3.4) for driving the first screw mandrel (3.3) rotation, the first base (3.1) can be in the drive of the first motor (3.4)
Dynamic axial direction of the lower band cutter rotating mechanism (2) along the first screw mandrel (3.3) is mobile to travel mechanism (4) relative to X.
3. two sets of cutter devices of blast-furnace tuyere according to claim 2, it is characterised in that：The X wraps to travel mechanism (4)
Include and be arranged on the second base (4.1) being slidably matched below first base (3.1) with its Y-direction, be arranged in second base (4.1)
The second slide unit (4.2) of connection is secured to below portion, is threadedly coupled through the middle part of the second slide unit (4.2) with it second
Bar (4.3), for drive the second screw mandrel (4.3) rotation the second motor (4.4) and be arranged on second base (4.1) bottom
Y can be driven under the driving of the second motor (4.4) to the guide groove (4.5) being slidably matched, the second base (4.1) with its X
Axial direction to travel mechanism (3) and cutter rotating mechanism (2) along the second screw mandrel (4.3) is mobile relative to guide groove (4.5).
4. two sets of cutter devices of blast-furnace tuyere according to claim 3, it is characterised in that：The first base (3.1)
Bottom is provided with two first guide chutes (3.11) parallel with the first screw mandrel (3.3) axial direction, the second base
(4.1) the first guide rail (4.11) being slidably matched with the first guide chute (3.11), the first base are provided with the top of
(3.1) can be moved in the driving lower band cutter rotating mechanism (2) of the first motor (3.4) along the first guide rail (4.11).
5. two sets of cutter devices of blast-furnace tuyere according to claim 4, it is characterised in that：The second base (4.1)
Two bottom sides are provided with second parallel with the second screw mandrel (4.3) axial direction and are oriented to groove (4.12), the guide groove (4.5)
Top both sides be provided with and second guiding groove (4.12) second guide rail (4.51) for being slidably matched, the second base
(4.1) Y-direction travel mechanism (3) and cutter rotating mechanism (2) can be driven under the driving of the second motor (4.4) along the second guide rail
(4.51) it is mobile.
6. two sets of cutter devices of blast-furnace tuyere according to claim 5, it is characterised in that：The bottom of the guide groove (4.5)
Portion is provided with the fixed mounted seat (5) being used cooperatively with outside mounting platform.
7. two sets of cutter devices of blast-furnace tuyere according to any one of claim 1~6, it is characterised in that：The rotary shaft
(2.4) bearing (6) is provided between both ends outer ring and the inwall of connecting shaft (2.5).
8. two sets of cutter devices of blast-furnace tuyere according to any one of claim 1~6, it is characterised in that：The ring flange
(2.3) it is fixedly connected between connecting shaft (2.5), between the end cap (2.6) and connecting shaft (2.5) by bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548004.7A CN107378490B (en) | 2017-07-06 | 2017-07-06 | Two sets of cutter devices of blast-furnace tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548004.7A CN107378490B (en) | 2017-07-06 | 2017-07-06 | Two sets of cutter devices of blast-furnace tuyere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107378490A true CN107378490A (en) | 2017-11-24 |
| CN107378490B CN107378490B (en) | 2019-08-20 |
Family
ID=60335602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710548004.7A Active CN107378490B (en) | 2017-07-06 | 2017-07-06 | Two sets of cutter devices of blast-furnace tuyere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378490B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732715A (en) * | 2019-10-29 | 2020-01-31 | 庄小梅 | numerical control cutting machine tool for hollow pipe internal cutting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039240U (en) * | 1988-06-15 | 1989-06-14 | 孟庆怀 | Fully-automatic spider cutter |
| CN2361395Y (en) * | 1999-04-01 | 2000-02-02 | 陈淦 | Electro-hydraulic numerically controlled taper pipe three-roll planetary rolling mill |
| CN2738970Y (en) * | 2003-08-11 | 2005-11-09 | 赵立岗 | Novel wood peeling |
| KR20060115799A (en) * | 2005-05-06 | 2006-11-10 | 백정현 | Cutter for stone of gear box type |
| CN200948540Y (en) * | 2006-09-22 | 2007-09-19 | 芜湖恒升重型机床有限责任公司 | Milling propulsion plant moving with work bench |
| CN102581619A (en) * | 2012-02-06 | 2012-07-18 | 天津理工大学 | Machining equipment for high-grade steel pipe end surfaces with large apertures and wall thicknesses |
-
2017
- 2017-07-06 CN CN201710548004.7A patent/CN107378490B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039240U (en) * | 1988-06-15 | 1989-06-14 | 孟庆怀 | Fully-automatic spider cutter |
| CN2361395Y (en) * | 1999-04-01 | 2000-02-02 | 陈淦 | Electro-hydraulic numerically controlled taper pipe three-roll planetary rolling mill |
| CN2738970Y (en) * | 2003-08-11 | 2005-11-09 | 赵立岗 | Novel wood peeling |
| KR20060115799A (en) * | 2005-05-06 | 2006-11-10 | 백정현 | Cutter for stone of gear box type |
| CN200948540Y (en) * | 2006-09-22 | 2007-09-19 | 芜湖恒升重型机床有限责任公司 | Milling propulsion plant moving with work bench |
| CN102581619A (en) * | 2012-02-06 | 2012-07-18 | 天津理工大学 | Machining equipment for high-grade steel pipe end surfaces with large apertures and wall thicknesses |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732715A (en) * | 2019-10-29 | 2020-01-31 | 庄小梅 | numerical control cutting machine tool for hollow pipe internal cutting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107378490B (en) | 2019-08-20 |
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