A kind of cold pilger mill replaceable caliber outlet spout oil-scraping device
Technical field
The invention belongs to field of machining, relate to a kind of cold pilger mill outlet oil-scraping device especially.
Background technology
Cold pilger mill is generally all divided into two kinds, and one is LG type, and one is exactly LD type.Utilize annular distance shape to carry out the process equipment of cold conditions rolling to hollow forging, it is characterized in that tandem arranges breaking down head (frame) and finish rolling head (frame) on a roll line, moved reciprocatingly with contrary direction through connecting rod drive by driving crank axle and passive crank axle, crank is that both sides are arranged or intermediate arrangement realizes the operation of rolling, all be equipped with two at breaking down head and finish rolling head to push aside roller, roller of often pushing aside is made up of 3 to 5 rolls, the axis of 3 rolls is in hexagonal angle in vertical plane, two axis between roller of pushing aside become 60 ° of rolls to be Varied section or normal off face big uncork dihedral, at roll with treat the fluid having lubricate between tube rolling, be beneficial to it to be rolled efficiently smoothly, the effect of fluid has cooling and lubrication, by utilizing the annular distance shape of cold pilger mill to carry out cold conditions rolling to steel pipe during making steel pipe, cold pilger mill has good cogging performance, stock utilization is high, and precision and surface roughness are all better than drawn tube, the elastic deformation of metal is utilized to realize the rolling of steel pipe.After steel pipe is sent into and is pulled out in cold pilger mill, the surface of steel pipe also can be stained with the machine oil in cold pilger mill, machine oil in such cold pilger mill will be brought out by steel pipe, what need staff's not timing adds machine oil to maintain the normal operation of machine to cold pilger mill, cause the very large wasting of resources like this, staff also must clear up the steel pipe being stained with machine oil simultaneously, fluid so not only can be made to drip contaminated environment, can increase labour intensity simultaneously.
Summary of the invention
The object of the invention is to: propose a kind of cold pilger mill replaceable caliber outlet spout oil-scraping device, the fluid loss of above-mentioned steel pipe in process can be solved, and follow-up work difficulty of clearing up steel tube surface, and its steel pipe that can also adapt to different tube diameters carries out striking off of surperficial fluid.
Object of the present invention is realized by following technical proposals:
A kind of cold pilger mill replaceable caliber outlet spout oil-scraping device, described device comprises: the outside housing playing fixation its be bolted in pipe mill outlet, enclosure interior is provided with the frizing fixed part forming with it matching relationship, frizing fixed part is connected with the frizing portion contacted with outer wall of steel pipe, arranging like this can make frizing portion be fixed on frizing fixed part, and fixed part and housing are demountable structure, during product for different tube diameters, change corresponding frizing portion diameter, thus both achieved the effect of its frizing, and different caliber frizing demands can be adapted to.
As a further improvement on the present invention, described fixed part and frizing portion are linked into an integrated entity by the method for sulfuration, and it is reliable that such arranging can enable two parts connect, and can not come off under the effect of the axial force of steel pipe.
As a further improvement on the present invention, described fixed part is metal material, and it should be softer than the material of housing, such two parts can adjust its contact distance by the conical surface matched in good time, and fixed part is for often to dismantle parts, it can not cause damage to housing, so it requires that matter is softer.
As a further improvement on the present invention, the endoporus of described housing is provided with an oil trap close to pipe mill exit, and its width is 10-20mm, and the degree of depth is not less than 10mm, the fluid that can enable to scrape through frizing portion that arranges like this carries out one smoothly and collects, and is convenient to concentrate discharge.
As a further improvement on the present invention, described frizing portion is made up of rubber or pps, and its outer wall place contacted with fixed part overlaps and has O RunddichtringO, such material arranges and frizing portion can be made more wear-resisting, and it is tightr with the contact gear ratio of steel pipe, be beneficial to striking off of fluid, the setting of sealing ring then can ensure that it can not ooze out waste oil liquid from the port of export in frizing portion.
As a further improvement on the present invention, described pipe mill outlet is provided with oil return pipe, and it is communicated with oil-recovery tank, and is threaded connection, and can be beneficial to the collection of fluid like this, and can reuse.
As a further improvement on the present invention, the contact surface that described fixed part and pipe mill export is provided with one and holds out against spring, the installation initial stage can be made under the action of the spring like this, make between fixed part with housing, have one to contact more closely.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: propose a kind of cold pilger mill replaceable caliber outlet spout oil-scraping device, the fluid loss of above-mentioned steel pipe in process can be solved, and follow-up work difficulty of clearing up steel tube surface, and its steel pipe that can also adapt to different tube diameters carries out striking off of surperficial fluid.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is frizing portion partial schematic diagram.
Mark in figure: the outlet of 1-pipe mill, 2-housing, 3-fixed part, 4-frizing portion, 5-steel pipe, 6-O RunddichtringO, 7-spring, 8-oil trap, 9-oil return pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be the embodiment of a kind of cold pilger mill of the present invention replaceable caliber outlet spout oil-scraping device as depicted in figs. 1 and 2, a kind of cold pilger mill replaceable caliber outlet spout oil-scraping device, described device comprises: the outside housing 2 playing fixation its be bolted in pipe mill outlet 1, housing 2 inside is provided with the frizing fixed part 3 forming with it matching relationship, frizing fixed part 3 is connected with the frizing portion 4 contacted with steel pipe 5 outer wall, its operation principle is, first frizing portion 3 is connected with fixed part 4, then fixed part is connected with housing 2, it is connected with the inner surface of housing 2 by vertical plane 33, its fit clearance should be less than 2mm, and its length of fit should be greater than 20mm, then coordinated by the appropriate section of the conical surface 31 with housing 2, such conical surface combines the control that can be beneficial to gap, by Compress Spring 7, fixed part 3 is held out against during assembling, and undertaken spacing by the conical surface 31, enable to be fixed on a position determined, 42 to be contacted with steel pipe 5 by facing directly of frizing portion when operating, and face directly and have squeezing action to steel pipe 5, thus fluid is scraped, it is then to make steel pipe 5 and its afterbody have an effect of keeping away position that afterbody is provided with the conical surface 41, when fluid is scraped, under gravity, it can flow into the conical surface 32 along the conical surface 41 thus come together in oil trap 8 li, described fixed part 3 and frizing portion 4 are linked into an integrated entity by the method for sulfuration, it is reliable that arranging like this can enable two parts connect, can not come off under the effect of the axial force of steel pipe 5, described fixed part 3 is metal material, and it should be softer than the material of housing 2, such two parts can adjust its contact distance by the conical surface 31 matched in good time, and fixed part is for often to dismantle parts, it can not cause damage to housing, so it requires that matter is softer, the endoporus of described housing 2 is provided with an oil trap close to pipe mill exit, its width is 10-20mm, the degree of depth is not less than 10mm, the fluid that can enable to scrape through frizing portion 4 that arranges like this carries out one smoothly and collects, be convenient to concentrate and discharge, described frizing portion 4 is made up of rubber or pps, and its outer wall place contacted with fixed part 3 overlaps and has O RunddichtringO, such material arranges and frizing portion can be made more wear-resisting, and it is tightr with the contact gear ratio of steel pipe, be beneficial to striking off of fluid, the setting of sealing ring then can ensure that it can not ooze out waste oil liquid from the port of export in frizing portion, described pipe mill outlet 1 is provided with oil return pipe 9, it is communicated with oil-recovery tank 8, and be threaded connection, the collection of fluid can be beneficial to like this, and can reuse, the contact surface that described fixed part 3 and pipe mill export 1 is provided with one and holds out against spring 7, can make the installation initial stage like this under the effect of spring 7, make between fixed part with housing, have one to contact more closely.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.