CN205020512U - Multi -functional rolling stand with roll a tub function roller type - Google Patents
Multi -functional rolling stand with roll a tub function roller type Download PDFInfo
- Publication number
- CN205020512U CN205020512U CN201520713378.6U CN201520713378U CN205020512U CN 205020512 U CN205020512 U CN 205020512U CN 201520713378 U CN201520713378 U CN 201520713378U CN 205020512 U CN205020512 U CN 205020512U
- Authority
- CN
- China
- Prior art keywords
- support
- backstage
- foreground
- roll shape
- roll
- 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.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 41
- 238000009785 tube rolling Methods 0.000 claims description 58
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 20
- 239000000047 product Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model relates to a function that has the punch concurrently and the function of pipe mill are and its roller type is suitable for the multi -functional rolling stand with roll a tub function roller type who rolls tub operation, including proscenium equipment, host computer and the background equipment who sets gradually, background equipment includes ejector pin dolly, ejector pin vehicle drive device, backstage support, locking device and thrust device, and the drive slidable ground that the ejector pin dolly passes through ejector pin vehicle drive device sets up on the support of backstage, and locking device and thrust device set up the top at the backstage support respectively, proscenium equipment is including the blow tank that sets gradually, proscenium support and car pusher drive arrangement, and slidable ground is equipped with car pusher on the proscenium support, and the host computer setting is equipped with the roll in the host computer between proscenium support and backstage support, and the roll is including rotationally setting up roll main shaft and fixed setting on the host computer at the epaxial tub function roller type that rolls of roll owner, and the roll main shaft is connected with final drive shaft, final drive shaft and main drive system's output shaft.
Description
Technical field
The utility model relates to a kind of seamless steel pipe production, particularly relates to a kind of Multi-functional rolling with tube rolling 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 tube rolling 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.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide and a kind ofly has the function of punch and the function of pipe mill concurrently and its roll shape is suitable for the Multi-functional rolling with tube rolling function roll shape of tube rolling operation.
The Multi-functional rolling with tube rolling function roll shape of the present utility model, 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 tube rolling 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 tube rolling function roll shape includes prostomum angle leading portion and entrance cone angle back segment, the angle of described entrance cone angle leading portion is 5 degree, the length of entrance cone angle leading portion is 330 millimeters, the angle of described entrance cone angle back segment is 3 degree 30 points, the length of entrance cone angle back segment is 130 millimeters, the Toe angle of tube rolling function roll shape comprises Toe angle leading portion and Toe angle back segment, the angle of described Toe angle leading portion is 2 degree 40 points, the length of Toe angle leading portion is 220 millimeters, the angle of described Toe angle back segment is 0 degree, the length of Toe angle back segment is 320 millimeters, the most big roller footpath of pierced billet one function roll shape is 1200 millimeters.
Further, the Multi-functional rolling with tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, one end of the close main frame of described backstage support is also provided with fixed pulley.
Further, the Multi-functional rolling with tube rolling function roll shape of the present utility model, described blow tank comprises at least two adjustable hoppers, is also provided with moving vertically idler between described adjustable hopper.
By such scheme, the utility model at least has the following advantages: the Multi-functional rolling with tube rolling function roll shape of the present utility model, 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 tube rolling 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model makes on the basis of punch and pipe mill, therefore, roll shape originally for the roll of tube rolling function is no longer applicable to the Multi-functional rolling with tube rolling function roll shape of the present utility model, therefore, the roll shape of Multi-functional rolling to original roll for tube rolling function with tube rolling function roll shape of the present utility model 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, bore a hole when needing the Multi-functional rolling utilizing the utility model to have tube rolling function roll shape to carry out, other operations such as sizing time, only need change corresponding roll shape.In sum, the Multi-functional rolling technique with tube rolling function roll shape of the present utility model 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 solutions of the utility model, in order to better understand technological means of the present utility model, 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 utility model.
Accompanying drawing explanation
Fig. 1 of the present utility modelly has the foreground equipment of the Multi-functional rolling of tube rolling 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 tube rolling function roll shape of the present utility model;
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 tube rolling 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: tube rolling 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; 29: entrance cone angle leading portion; 30: entrance cone angle back segment; 31: Toe angle leading portion; 32: Toe angle back segment.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1 to Fig. 6, a kind of Multi-functional rolling with tube rolling function roll shape of the utility model one preferred embodiment, 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 tube rolling 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 tube rolling function roll shape includes prostomum angle leading portion and entrance cone angle back segment, the angle of entrance cone angle leading portion is 5 degree, the length of entrance cone angle leading portion is 330 millimeters, the angle of entrance cone angle back segment is 3 degree 30 points, the length of entrance cone angle back segment is 130 millimeters, the Toe angle of tube rolling function roll shape comprises Toe angle leading portion and Toe angle back segment, the angle of Toe angle leading portion is 2 degree 40 points, the length of Toe angle leading portion is 220 millimeters, the angle of Toe angle back segment is 0 degree, the length of Toe angle back segment is 320 millimeters, the most big roller footpath of pierced billet one 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model makes on the basis of punch and pipe mill, therefore, roll shape originally for the roll of tube rolling function is no longer applicable to the Multi-functional rolling with tube rolling function roll shape of the present utility model, therefore, the roll shape of Multi-functional rolling to original roll for tube rolling function with tube rolling function roll shape of the present utility model 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, bore a hole when needing the Multi-functional rolling utilizing the utility model to have tube rolling function roll shape to carry out, other operations such as sizing time, only need change corresponding roll shape.In sum, the Multi-functional rolling technique with tube rolling function roll shape of the present utility model 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, 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 tube rolling function roll shape of the present utility model, one end of the close main frame of backstage support is also provided with fixed pulley 26.
As preferably, the Multi-functional rolling with tube rolling function roll shape of the present utility model, blow tank comprises at least two adjustable hoppers 27, is also provided with moving vertically idler 28 between adjustable hopper.
Below be only preferred embodiment of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. one kind has the Multi-functional rolling of tube rolling 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 tube rolling 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 tube rolling function roll shape includes prostomum angle leading portion and entrance cone angle back segment, the angle of described entrance cone angle leading portion is 5 degree, the length of entrance cone angle leading portion is 330 millimeters, the angle of described entrance cone angle back segment is 3 degree 30 points, the length of entrance cone angle back segment is 130 millimeters, the Toe angle of tube rolling function roll shape comprises Toe angle leading portion and Toe angle back segment, the angle of described Toe angle leading portion is 2 degree 40 points, the length of Toe angle leading portion is 220 millimeters, the angle of described Toe angle back segment is 0 degree, the length of Toe angle back segment is 320 millimeters, the most big roller footpath of pierced billet one function roll shape is 1200 millimeters.
2. the Multi-functional rolling with tube rolling 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 tube rolling 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 tube rolling 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 tube rolling 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 tube rolling 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 |
|---|---|---|---|
| CN201520713378.6U CN205020512U (en) | 2015-09-15 | 2015-09-15 | Multi -functional rolling stand with roll a tub function roller type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713378.6U CN205020512U (en) | 2015-09-15 | 2015-09-15 | Multi -functional rolling stand with roll a tub function roller type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205020512U true CN205020512U (en) | 2016-02-10 |
Family
ID=55253079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520713378.6U Expired - Fee Related CN205020512U (en) | 2015-09-15 | 2015-09-15 | Multi -functional rolling stand with roll a tub function roller type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205020512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583490A (en) * | 2016-12-02 | 2017-04-26 | 鑫鹏源智能装备集团有限公司 | Production process of titanium and titanium alloy seamless pipes and used rolling mill foreground material receiving structure |
-
2015
- 2015-09-15 CN CN201520713378.6U patent/CN205020512U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583490A (en) * | 2016-12-02 | 2017-04-26 | 鑫鹏源智能装备集团有限公司 | Production process of titanium and titanium alloy seamless pipes and used rolling mill foreground material receiving structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205906018U (en) | Forge and use finished product conveyer | |
| CN203304305U (en) | Pinch roll device for introducing strip steel into slitting shear | |
| CN205020507U (en) | Multi -functional rolling stand with secondary perforation function roller type | |
| CN205020510U (en) | Multi -functional rolling stand with expansion function roller type | |
| CN205020509U (en) | Multi -functional rolling stand with gyration sizing function roller type | |
| CN205020508U (en) | Multi -functional rolling stand with integrative function roller type of pierced billet | |
| CN101758075B (en) | Split type core locking device | |
| CN205020513U (en) | Multi -functional rolling stand with perforation function roller type | |
| EP2532449A3 (en) | Device and method for rolling hollow blanks | |
| CN204234458U (en) | A kind of mould steel Continuous mill train | |
| CN202715612U (en) | Multifunctional uncoiling guide plate table device | |
| CN105170655B (en) | Multi-functional rolling with revolution sizing function roll shape | |
| CN105170654B (en) | The Multi-functional rolling for having the function of pierced billet one roll shape | |
| CN105170653B (en) | Multi-functional rolling with secondary punch function roll shape | |
| CN203862767U (en) | Pipe bending machine special for production of automobile traction bar | |
| CN202490820U (en) | Hot-rolling reducing device of GCr15 bearing steel tube | |
| CN103240297A (en) | High-speed reeling machine | |
| US2306827A (en) | Apparatus for making metallic pipes and tubes | |
| CN206028678U (en) | Magnesium alloy casting blank continuous casting billet is tumbled and is met and sent off device | |
| CN202539254U (en) | Drawing cart for drawing dry type bushing cores | |
| CN202343558U (en) | Positioning and locking device of fixed mandril | |
| CN203044492U (en) | Ejector rob three-dimensional circulating device of perforating machine | |
| CN206262977U (en) | A kind of double-core axle cooling of tandem rolling tube machine, lubricating arrangement | |
| CN102715252A (en) | Beancurd-sheets cloth automatically-folding device of beancurd-sheets pouring machine | |
| CN201086094Y (en) | Rack gearing of punching machine jogger thrust carriage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |