New floating mandrel
A floating mandrel, a new type of technology, applied in the direction of the mandrel, etc., can solve the problems of large friction force, large power consumption, high production cost, etc., and achieve the effects of reduced drawing force, reduced energy consumption, and improved production efficiency
Inactive Publication Date: 2011-12-21
胡顺珍
View PDF5 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] At present, the outer circular surface of the floating mandrel used in the floating mandrel drawing of the cold drawing device for seamless steel pipe production is mostly a smooth cylindrical surface. The friction generated between the overall smooth cylindrical surface and the inner wall of the steel pipe during the drawing operation is large, and the consumption High power, high production cost
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0013] exist figure 1, figure 2, image 3, Figure 4, Figure 5 , the drafting mold 5 is inlaid and fixed on the machine base 4, and the leading end of the seamless steel pipe 2 to be drawn passes through the reducing area 8 and the sizing area 9 of the inner hole of the drafting mold 5 and is drawn by the drawing machine 7 The clamper 6 is clamped, and then the new floating mandrel 3 enters the reducing area 8 and the sizing area 9 of the inner hole of the draft mold 5 under the thrust of the new floating mandrel 1; the structure of the new floating mandrel 3 Yes: at the position of the cylinder 13 where the front end of the new floating mandrel 3 is in close contact with the inner wall of the seamless steel pipe 2 to be drawn, that is, the position between the sizing area 10 of the new floating mandrel and the chamfering area 12 at the top, in the cylinder The outer surface of the body 13 is processed to remove part of the material to form a section of concave ring 11 ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
A new type of floating mandrel, which is mainly composed of a new type of floating mandrel, a seamless steel pipe to be drawn, a cylinder, a new type of floating mandrel sizing area, a top chamfering area, and a concave ring belt. The part of the cylinder where the front end of the rod is in close contact with the inner wall of the seamless steel pipe to be drawn, that is, the part between the sizing area and the top chamfering area of the new floating mandrel, is processed and removed from the outer surface of the cylinder to form a section that is not The concave ring belt in contact with the inner wall of the seamless steel pipe to be drawn adopts this structure, which not only reduces the friction surface caused by the contact between the outer surface of the new floating mandrel cylinder and the inner surface of the seamless steel pipe to be drawn, but also does not affect the new floating The function of wall reduction and sizing of mandrel.
Description
Technical field [0001] The invention relates to a novel floating mandrel, which belongs to the technical field of metal rolling. Background technique [0002] At present, the outer circular surface of the floating mandrel used in the floating mandrel drawing of the cold drawing device for seamless steel pipe production is mostly a smooth cylindrical surface. The friction generated between the overall smooth cylindrical surface and the inner wall of the steel pipe during the drawing operation is large, and the consumption Power is big, and production cost is high. Contents of the invention [0003] In order to solve the above disadvantages of the floating mandrel with a smooth cylindrical surface, the present invention provides a new floating mandrel with a non-smooth cylindrical surface. [0004] The technical solution adopted by the present invention to solve the technical problem is: the cylindrical part where the front end of the new floating mandrel is in close contac...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B21C3/16
Inventor 王彦飞王士渠董丽君曹康乐王东升
Owner 胡顺珍