CN105170653A - Multifunctional rolling machine with roll profiles with two-time hole-punching function - Google Patents
Multifunctional rolling machine with roll profiles with two-time hole-punching function Download PDFInfo
- Publication number
- CN105170653A CN105170653A CN201510585920.9A CN201510585920A CN105170653A CN 105170653 A CN105170653 A CN 105170653A CN 201510585920 A CN201510585920 A CN 201510585920A CN 105170653 A CN105170653 A CN 105170653A
- Authority
- CN
- China
- Prior art keywords
- support
- foreground
- roll shape
- backstage
- secondary punch
- Prior art date
- 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
Links
Landscapes
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention relates to a multifunctional rolling machine with roll profiles with a two-time hole-punching function. According to the multifunctional rolling machine, the functions of a puncher and the functions of a tube rolling machine are achieved at the same time, and the roll profiles are suitable for two-time hole-punching work. The multifunctional rolling machine comprises a foreground device, a main machine and a background device, wherein the foreground device, the main machine and the background device are sequentially arranged. The background device comprises an ejector rod cart, an ejector rod cart driving device, a background support, a movement limiting and a thrust device. The ejector rod cart is arranged on the background support in a slidable manner under driving of the ejector rod cart driving device. The movement limiting and the thrust device are arranged on the background support. The foreground device comprises receiving troughs, a foreground support and a pushing cart driving device, wherein the receiving troughs, the foreground support and the pushing cart driving device are sequentially arranged. A pushing cart is arranged on the foreground support in a slidable manner. The main machine is arranged between the foreground support and the background support and internally provided with rollers. Each roller comprises a roller main shaft rotationally arranged on the main machine and the roll profile with the two-time hole-punching function, the roll profiles with the two-time hole-punching function are fixedly arranged on the roller main shafts, and the roller main shafts are connected with main transmitting shafts.
Description
Technical field
The present invention relates to a kind of seamless steel pipe production, particularly relate to a kind of Multi-functional rolling with secondary punch function roll shape.
Background technology
In seamless steel tube production field, the effect of Mannesmann piercing mill is solid pipe billet to pierce into hollow hollow billet, the acting on and being finish-machined to by hollow billet as finished product seamless steel pipe of pipe mill.These two kinds of equipments are that production seamless steel pipe must the most basic obligato equipment.Generally first by tiltedly pricking punch, solid pipe billet is pierced into hollow hollow billet when producing seamless steel pipe, and then by pipe mill, hollow billet is finish-machined to finished product seamless steel pipe.It is seamless steel tube production technical development mature production technology so far, it is no matter the seamless steel pipe of the national defence of production high-quality, military project and important use, still general industry and the civilian seamless pipe of producing low and middle-grade times all will adopt this technique, this is carried out splitting rear discovery from raw material pipe to the whole production process of finished product seamless pipe, overlapped and cross section is there is in perforation and tube rolling two links, this overlap and cross section are necessary to some high-end product, and are completely omissible to some low-end product.For the seamless steel pipe of low and middle-grade times, adopt this explained hereafter cost higher.And for the enterprise that will build seamless steel tube production chain, will have perforation unit and Tube Rolling Train all bar none, this invests comparatively greatly for product orientation in general industry and civilian producer, and capacity of equipment is superfluous.In addition, if by the function i ntegration of the function of punch and pipe mill on one device, the secondary punch function roll shape on existing equipment by no longer adapt to integrated after equipment, need to redesign.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of Multi-functional rolling of new structure, make it have more value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide and a kind ofly have the function of punch and the function of pipe mill concurrently and its roll shape is suitable for the Multi-functional rolling with secondary punch function roll shape of secondary punch operation.
The Multi-functional rolling with secondary punch function roll shape of the present invention, comprise the foreground equipment set gradually, main frame and background devices, described background devices comprises ejector rob trolley provided, ejector rob trolley provided drive unit, backstage support, restraint device and thrust brake, described ejector rob trolley provided drive unit comprises backstage transmission device and backstage reel, describedly ejector rob trolley providedly be slidably disposed on the support of backstage, the output shaft of described transmission device is connected by the main shaft of universal drive shaft with backstage reel, described backstage reel is connected with ejector rob trolley provided by steel wire rope, described restraint device and thrust brake are separately positioned on the top of backstage support,
Described foreground equipment comprises the blow tank, foreground support and the pusher drive car that set gradually, described foreground support is provided with pusher dolly slidably, described pusher drive car comprises foreground transmission device and foreground reel, the output shaft of described foreground transmission device is connected by the main shaft of universal drive shaft with foreground reel, and described foreground reel is connected with pusher dolly by steel wire rope;
Described main frame is arranged between foreground support and backstage support, roll is provided with in main frame, described roll comprises the roll main shaft be arranged on rotationally on main frame and the secondary punch function roll shape be fixedly installed on roll main shaft, described roll main shaft is connected with final drive shaft, and described final drive shaft is connected with the output shaft of main transmission;
The entrance cone angle of described secondary punch function roll shape is 5 degree, the entrance segment length of secondary punch function roll shape is 440 millimeters, the Toe angle of secondary punch function roll shape is 1.5 degree, the outlet segment length of secondary punch function roll shape is 560 millimeters, the length of secondary punch function roll shape is 1000 millimeters, and the most big roller footpath of secondary punch function roll shape is 1200 millimeters.
Further, the Multi-functional rolling with secondary punch function roll shape of the present invention, described foreground transmission device, backstage transmission device and main transmission comprise motor and speed reducer respectively, and the power shaft of described reductor is connected with the output shaft of motor.
Further, the Multi-functional rolling with secondary punch function roll shape of the present invention, described thrust brake comprises support, thrust mechanism and retaining mechanism, and described support is arranged on the top of backstage support, and described thrust mechanism and retaining mechanism are separately positioned on support.
Further, the Multi-functional rolling with secondary punch function roll shape of the present invention, described restraint device comprises restraint support, restraint oil cylinder and stopper mechanism, described restraint Bracket setting is above the support of backstage, described restraint oil cylinder is arranged on restraint support, and described stopper mechanism is arranged on ejector rob trolley provided top and stopper mechanism is connected with the lever of restraint oil cylinder.
Further, the Multi-functional rolling with secondary punch function roll shape of the present invention, one end of the close main frame of described backstage support is also provided with fixed pulley.
Further, the Multi-functional rolling with secondary punch function roll shape of the present invention, described blow tank comprises at least two adjustable hoppers, is also provided with moving vertically idler between described adjustable hopper.
By such scheme, the present invention at least has the following advantages: the Multi-functional rolling with secondary punch function roll shape of the present invention, comprise the foreground equipment set gradually, main frame and background devices, the ejector rob trolley provided of background devices is slidably disposed on the support of backstage by ejector rob trolley provided drive unit, the top of backstage support is also provided with restraint device and thrust brake, foreground equipment comprises the blow tank set gradually, foreground support, pusher drive car, pusher dolly is slidably disposed on the support of foreground by pusher drive car, main frame is arranged between foreground support and backstage support, roll is provided with in main frame, roll comprises roll main shaft and is arranged on the secondary punch function roll shape on roll main shaft.In punch, ejector rob trolley provided thrust brake is at perforator background, and in traditional pipe mill, restraint device is the foreground at pipe mill.In order to unification, restraint device is also located at backstage by the Multi-functional rolling with secondary punch function roll shape of the present invention, during use, plug can be arranged on ejector rob trolley provided on, the force way of plug becomes pressurized from original tension, when the combined type stopper mechanism that is made up of restraint device and thrust brake realizes perforation, push rod position is adjustable, during tube rolling mandrel movement limiting stroke and initial sum terminating point adjustable.Foreground combines the common feature of punch and pipe mill, extended length is to adapt to the needs of hollow billet length, be provided with pusher dolly in order to the rolling function of pusher realization to hollow billet simultaneously, need only push rod need to be arranged on when using perforation function ejector rob trolley provided on can realize to pipe perforation function, because the Multi-functional rolling with secondary punch function roll shape of the present invention makes on the basis of punch and pipe mill, therefore, roll shape originally for the roll of secondary punch function is no longer applicable to the Multi-functional rolling with secondary punch function roll shape of the present invention, therefore, the roll shape of Multi-functional rolling to original roll for secondary punch function with secondary punch function roll shape of the present invention is transformed, main to its entrance cone angle, entrance segment length, Toe angle, outlet segment length, length and most several aspect, big roller footpath of roll shape are improved, to adapt to new equipment.In addition, when needing the Multi-functional rolling utilizing the present invention to have secondary punch function roll shape to carry out other operations such as tube rolling, sizing, only corresponding roll shape need be changed.In sum, the Multi-functional rolling technique with secondary punch function roll shape of the present invention is flexible, for the different choice various processes of current existing pipe and required production tube specification, can meet the need of market.Compared with conventional production methods, product adjustment is more flexible, can adapt to the fast changing market demand in time; Pipe buying simultaneously has more flexibility, can select the product that price is lower for different price, for pipe buying brings convenience.In actual production, according to the different production method of produced product specification different choice, the reduced instrument had consumption, the reduced production process had, the rate of becoming a useful person that improves had reduces production cost.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 of the present inventionly has the foreground equipment of the Multi-functional rolling of secondary punch function roll shape and the structural representation of main frame;
Fig. 2 is the structural representation with the background devices of the Multi-functional rolling of secondary punch function roll shape of the present invention;
Fig. 3 is the partial enlarged drawing in A portion in Fig. 1;
Fig. 4 is the partial enlarged drawing in B portion in Fig. 1;
Fig. 5 is the partial enlarged drawing in C portion in Fig. 2;
Fig. 6 is the sectional view of secondary punch function roll shape.
In figure, 1: ejector rob trolley provided; 2: ejector rob trolley provided drive unit; 3: backstage support; 4: restraint device; 5: thrust brake; 6: backstage transmission device; 7: backstage reel; 8: blow tank; 9: foreground support; 10: pusher drive car; 11: pusher dolly; 12: foreground transmission device; 13: foreground reel; 14: roll; 15: roll main shaft; 16: secondary punch function roll shape; 17: final drive shaft; 18: main transmission; 19: motor; 20: reductor; 21: support; 22: thrust mechanism; 23: retaining mechanism; 24: restraint support; 25: restraint oil cylinder; 26: fixed pulley; 27: adjustable hopper; 28: moving vertically idler.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1 to Fig. 6, a kind of Multi-functional rolling with secondary punch function roll shape of a preferred embodiment of the present invention, comprise the foreground equipment set gradually, main frame and background devices, background devices comprises ejector rob trolley provided 1, ejector rob trolley provided drive unit 2, backstage support 3, restraint device 4 and thrust brake 5, ejector rob trolley provided drive unit comprises backstage transmission device 6 and backstage reel 7, ejector rob trolley providedly be slidably disposed on the support of backstage, the output shaft of transmission device is connected by the main shaft of universal drive shaft with backstage reel, backstage reel is connected with ejector rob trolley provided by steel wire rope, restraint device and thrust brake are separately positioned on the top of backstage support,
Foreground equipment comprises the blow tank 8, foreground support 9 and the pusher drive car 10 that set gradually, foreground support is provided with pusher dolly 11 slidably, pusher drive car comprises foreground transmission device 12 and foreground reel 13, the output shaft of foreground transmission device is connected by the main shaft of universal drive shaft with foreground reel, and foreground reel is connected with pusher dolly by steel wire rope;
Main frame is arranged between foreground support and backstage support, roll 14 is provided with in main frame, roll comprises the roll main shaft 15 be arranged on rotationally on main frame and the secondary punch function roll shape 16 be fixedly installed on roll main shaft, roll main shaft is connected with final drive shaft 17, and final drive shaft is connected with the output shaft of main transmission 18;
The entrance cone angle of secondary punch function roll shape is 5 degree, the entrance segment length of secondary punch function roll shape is 440 millimeters, the Toe angle of secondary punch function roll shape is 1.5 degree, the outlet segment length of secondary punch function roll shape is 560 millimeters, the length of secondary punch function roll shape is 1000 millimeters, and the most big roller footpath of secondary punch function roll shape is 1200 millimeters.
During actual use, operating personnel push rod is arranged on ejector rob trolley provided on, ejector rob trolley providedly to slide on the support of backstage under the driving of ejector rob trolley provided drive unit, and be fixed on the support of backstage by thrust brake, be arranged on simultaneously ejector rob trolley provided on push rod by the carrying roller on one section, backstage lifted suitable height laggard enter main frame, pipe is by being arranged on blow tank after pusher dolly simultaneously, and then push rod carries out perforation process to pipe under the drive of roll.In punch, ejector rob trolley provided thrust brake is at perforator background, and in traditional pipe mill, restraint device is the foreground at pipe mill.In order to unification, restraint device is also located at backstage by the Multi-functional rolling with secondary punch function roll shape of the present invention, during use, plug can be arranged on ejector rob trolley provided on, the force way of plug becomes pressurized from original tension, when the combined type stopper mechanism that is made up of restraint device and thrust brake realizes perforation, push rod position is adjustable, during tube rolling mandrel movement limiting stroke and initial sum terminating point adjustable.Foreground combines the common feature of punch and pipe mill, extended length is to adapt to the needs of hollow billet length, be provided with pusher dolly in order to the rolling function of pusher realization to hollow billet simultaneously, need only push rod need to be arranged on when using perforation function ejector rob trolley provided on can realize to pipe perforation function, because the Multi-functional rolling with secondary punch function roll shape of the present invention makes on the basis of punch and pipe mill, therefore, roll shape originally for the roll of secondary punch function is no longer applicable to the Multi-functional rolling with secondary punch function roll shape of the present invention, therefore, the roll shape of Multi-functional rolling to original roll for secondary punch function with secondary punch function roll shape of the present invention is transformed, main to its entrance cone angle, entrance segment length, Toe angle, outlet segment length, length and most several aspect, big roller footpath of roll shape are improved, to adapt to new equipment.In addition, when needing the Multi-functional rolling utilizing the present invention to have secondary punch function roll shape to carry out other operations such as tube rolling, sizing, only corresponding roll shape need be changed.In sum, the Multi-functional rolling technique with secondary punch function roll shape of the present invention is flexible, for the different choice various processes of current existing pipe and required production tube specification, can meet the need of market.Compared with conventional production methods, product adjustment is more flexible, can adapt to the fast changing market demand in time; Pipe buying simultaneously has more flexibility, can select the product that price is lower for different price, for pipe buying brings convenience.In actual production, according to the different production method of produced product specification different choice, the reduced instrument had consumption, the reduced production process had, the rate of becoming a useful person that improves had reduces production cost.
As preferably, the Multi-functional rolling with secondary punch function roll shape of the present invention, foreground transmission device, backstage transmission device and main transmission comprise motor 19 and reductor 20 respectively, and the power shaft of reductor is connected with the output shaft of motor.
As preferably, the Multi-functional rolling with secondary punch function roll shape of the present invention, thrust brake comprises support 21, thrust mechanism 22 and retaining mechanism 23, and support is arranged on the top of backstage support, and thrust mechanism and retaining mechanism are separately positioned on support.
As preferably, the Multi-functional rolling with secondary punch function roll shape of the present invention, restraint device comprises restraint support 24, restraint oil cylinder 25 and stopper mechanism (not shown), restraint Bracket setting is above the support of backstage, restraint oil cylinder is arranged on restraint support, and stopper mechanism is arranged on ejector rob trolley provided top and stopper mechanism is connected with the lever of restraint oil cylinder.
As preferably, the Multi-functional rolling with secondary punch function roll shape of the present invention, one end of the close main frame of backstage support is also provided with fixed pulley 26.
As preferably, the Multi-functional rolling with secondary punch function roll shape of the present invention, blow tank comprises at least two adjustable hoppers 27, is also provided with moving vertically idler 28 between adjustable hopper.
Below be only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. one kind has the Multi-functional rolling of secondary punch function roll shape, it is characterized in that: comprise the foreground equipment set gradually, main frame and background devices, described background devices comprises ejector rob trolley provided, ejector rob trolley provided drive unit, backstage support, restraint device and thrust brake, described ejector rob trolley provided drive unit comprises backstage transmission device and backstage reel, describedly ejector rob trolley providedly be slidably disposed on the support of backstage, the output shaft of described transmission device is connected by the main shaft of universal drive shaft with backstage reel, described backstage reel is connected with ejector rob trolley provided by steel wire rope, described restraint device and thrust brake are separately positioned on the top of backstage support,
Described foreground equipment comprises the blow tank, foreground support and the pusher drive car that set gradually, described foreground support is provided with pusher dolly slidably, described pusher drive car comprises foreground transmission device and foreground reel, the output shaft of described foreground transmission device is connected by the main shaft of universal drive shaft with foreground reel, and described foreground reel is connected with pusher dolly by steel wire rope;
Described main frame is arranged between foreground support and backstage support, roll is provided with in main frame, described roll comprises the roll main shaft be arranged on rotationally on main frame and the secondary punch function roll shape be fixedly installed on roll main shaft, described roll main shaft is connected with final drive shaft, and described final drive shaft is connected with the output shaft of main transmission;
The entrance cone angle of described secondary punch function roll shape is 5 degree, the entrance segment length of secondary punch function roll shape is 440 millimeters, the Toe angle of secondary punch function roll shape is 1.5 degree, the outlet segment length of secondary punch function roll shape is 560 millimeters, the length of secondary punch function roll shape is 1000 millimeters, and the most big roller footpath of secondary punch function roll shape is 1200 millimeters.
2. the Multi-functional rolling with secondary punch function roll shape according to claim 1, it is characterized in that: described foreground transmission device, backstage transmission device and main transmission comprise motor and speed reducer respectively, and the power shaft of described reductor is connected with the output shaft of motor.
3. the Multi-functional rolling with secondary punch function roll shape according to claim 1, it is characterized in that: described thrust brake comprises support, thrust mechanism and retaining mechanism, described support is arranged on the top of backstage support, and described thrust mechanism and retaining mechanism are separately positioned on support.
4. the Multi-functional rolling with secondary punch function roll shape according to claim 1, it is characterized in that: described restraint device comprises restraint support, restraint oil cylinder and stopper mechanism, described restraint Bracket setting is above the support of backstage, described restraint oil cylinder is arranged on restraint support, and described stopper mechanism is arranged on ejector rob trolley provided top and stopper mechanism is connected with the lever of restraint oil cylinder.
5. the Multi-functional rolling with secondary punch function roll shape according to claim 1, is characterized in that: one end of the close main frame of described backstage support is also provided with fixed pulley.
6. the Multi-functional rolling with secondary punch function roll shape according to claim 1, is characterized in that: described blow tank comprises at least two adjustable hoppers, is also provided with moving vertically idler between described adjustable hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585920.9A CN105170653B (en) | 2015-09-15 | 2015-09-15 | Multi-functional rolling with secondary punch function roll shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585920.9A CN105170653B (en) | 2015-09-15 | 2015-09-15 | Multi-functional rolling with secondary punch function roll shape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170653A true CN105170653A (en) | 2015-12-23 |
| CN105170653B CN105170653B (en) | 2018-02-06 |
Family
ID=54893341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510585920.9A Active CN105170653B (en) | 2015-09-15 | 2015-09-15 | Multi-functional rolling with secondary punch function roll shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105170653B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10180311A (en) * | 1996-12-24 | 1998-07-07 | Sanyo Special Steel Co Ltd | Method for preventing slip of piercer roll |
| EP1388378A1 (en) * | 2002-08-10 | 2004-02-11 | SMS Meer GmbH | Method for producing a hollow ingot of metallic material |
| CN201862618U (en) * | 2010-08-03 | 2011-06-15 | 扬州龙川钢管有限公司 | Novel composite roll piercing mill for producing large-diameter seamless steel pipes |
| CN102172625A (en) * | 2011-01-30 | 2011-09-07 | 太原科技大学 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
| CN102343361A (en) * | 2010-08-03 | 2012-02-08 | 扬州龙川钢管有限公司 | Composite perforating machine |
| KR20120040832A (en) * | 2010-10-20 | 2012-04-30 | 주식회사 율촌 | Piercing plug for seamless tube and manufacturing method for seamless tube using the same |
| CN202824107U (en) * | 2012-09-24 | 2013-03-27 | 聊城鑫鹏源金属制造有限公司 | Combined-type thrust and stop linkage mechanism |
| CN204353203U (en) * | 2014-11-25 | 2015-05-27 | 聊城鑫鹏源金属制造有限公司 | There is the punch of novel thrust mechanism |
| CN104741380A (en) * | 2015-04-04 | 2015-07-01 | 内蒙古包钢钢联股份有限公司 | Tube blank hot centring machine and hot centring method |
| CN205020507U (en) * | 2015-09-15 | 2016-02-10 | 鑫鹏源智能装备集团有限公司 | Multi -functional rolling stand with secondary perforation function roller type |
-
2015
- 2015-09-15 CN CN201510585920.9A patent/CN105170653B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10180311A (en) * | 1996-12-24 | 1998-07-07 | Sanyo Special Steel Co Ltd | Method for preventing slip of piercer roll |
| EP1388378A1 (en) * | 2002-08-10 | 2004-02-11 | SMS Meer GmbH | Method for producing a hollow ingot of metallic material |
| CN201862618U (en) * | 2010-08-03 | 2011-06-15 | 扬州龙川钢管有限公司 | Novel composite roll piercing mill for producing large-diameter seamless steel pipes |
| CN102343361A (en) * | 2010-08-03 | 2012-02-08 | 扬州龙川钢管有限公司 | Composite perforating machine |
| KR20120040832A (en) * | 2010-10-20 | 2012-04-30 | 주식회사 율촌 | Piercing plug for seamless tube and manufacturing method for seamless tube using the same |
| CN102172625A (en) * | 2011-01-30 | 2011-09-07 | 太原科技大学 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
| CN202824107U (en) * | 2012-09-24 | 2013-03-27 | 聊城鑫鹏源金属制造有限公司 | Combined-type thrust and stop linkage mechanism |
| CN204353203U (en) * | 2014-11-25 | 2015-05-27 | 聊城鑫鹏源金属制造有限公司 | There is the punch of novel thrust mechanism |
| CN104741380A (en) * | 2015-04-04 | 2015-07-01 | 内蒙古包钢钢联股份有限公司 | Tube blank hot centring machine and hot centring method |
| CN205020507U (en) * | 2015-09-15 | 2016-02-10 | 鑫鹏源智能装备集团有限公司 | Multi -functional rolling stand with secondary perforation function roller type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105170653B (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104668966B (en) | The quick sheet-metal formed line of energy-conservation lamp reflector | |
| CN204504743U (en) | The quick sheet-metal formed line of electricity-saving lamp reflector | |
| CN206356379U (en) | Pipe head rolls reducing device | |
| CN205020507U (en) | Multi -functional rolling stand with secondary perforation function roller type | |
| CN205020509U (en) | Multi -functional rolling stand with gyration sizing function roller type | |
| CN205020510U (en) | Multi -functional rolling stand with expansion function roller type | |
| CN205020512U (en) | Multi -functional rolling stand with roll a tub function roller type | |
| CN205020508U (en) | Multi -functional rolling stand with integrative function roller type of pierced billet | |
| CN203725875U (en) | Plate tailings cutting and processing device | |
| CN105170653A (en) | Multifunctional rolling machine with roll profiles with two-time hole-punching function | |
| CN205020513U (en) | Multi -functional rolling stand with perforation function roller type | |
| CN105170655A (en) | Multifunctional rolling machine with roll profiles with rotating-sizing function | |
| CN105170654A (en) | Multifunctional rolling machine with roll profiles with punching-rolling integrating function | |
| CN104014980B (en) | A kind of device that axis products is carried out sectional type annular knurl | |
| CN204234458U (en) | A kind of mould steel Continuous mill train | |
| CN106734212A (en) | A kind of double-core axle cooling of tandem rolling tube machine, lubricating arrangement | |
| CN104550532B (en) | Metal coiled material digital stamping break-in feeding method and device thereof | |
| CN203862932U (en) | Processing device for hollow shaft with equal inner diameter | |
| CN102435072A (en) | Walking beam type heating furnace and steel-pushing type heating furnace shared plate slab transporting equipment | |
| CN202570736U (en) | Steel plate cutting recovery device on hot tandem rolling production line | |
| CN205043238U (en) | Plate shearing machine and contain spiral weld -pipe mill of this plate shearing machine | |
| CN205932596U (en) | A belt winding and unwinding devices for belt conveyor | |
| CN106955900A (en) | Horizontal volume arranges plate drawing machine | |
| CN203044492U (en) | Ejector rob three-dimensional circulating device of perforating machine | |
| CN202097261U (en) | Inverted disc drawing device for copper-nickel alloy pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |