The vibration absorber of stainless-steel thin-wall pipe deep hole machining
The utility model relates to the vibration absorber of stainless-steel thin-wall pipe deep hole machining.
This device is specially for the body of roll endoporus processing with heavy caliber furnace roller on metallurgy industry steel plate production line designs.Generally this body of roll method for machining bore is the center rest support body of roll one end that adopts lathe to carry, and the other end clamps with chuck centering, then carries out the boring processing of endoporus;
The main material of the body of roll of heavy caliber furnace roller has HF, SCH13, HK40, HN etc., belongs to austenitic stainless steel, compares that to belong to cutting of hardworking material processability poor with carbon steel, is mainly manifested in:
(1) while cutting stainless steel, its cutting temperature is approximately higher 200～300 ℃ than 45 steel, and stainless steel high temperature intensity is high, sclerosis trend strong, hardened layer hardness is high, so cutter easily weares and teares.
(2) easily there is sticky cutter and generate built-up edge, thereby affecting machined surface.
And the body of roll endoporus processing request of heavy caliber furnace roller is:
(1) body of roll Wall-Thickness Difference requires to be controlled in 1mm;
(2) inner bore surface roughness requires as Ra6.3um;
(3) internal diameter size tolerance is 0
(4) after endoporus processing, linearity requires in 0.5mm/ total length.
Because the relatively thin (body of roll parameter: material austenitic stainless steel of body of roll wall thickness, external diameter Φ 600mm～Φ 1600mm, length 1500mm～2300mm, wall thickness 20mm～35mm left and right, roughness requires 6.3um), the phenomenon of cutter so often can shake in endoporus boring process, therefore after endoporus processing, there are quality problems such as " tool marks of shaking " and " connecing cutter prints ", if body of roll endoporus occurs that " tool marks of shaking " and " connecing cutter prints " can make the body of roll be affected service life, shake in endoporus process loss that cutter can aggravate cutter tip of the body of roll increases manufacturing cost and reduces production efficiency in addition, have a strong impact on the delivery date of this product.Therefore to austenitic stainless steel light-wall pipe, adopt the vibration absorber of novel deep hole machining just to seem particularly important.
Summary of the invention
The purpose of this utility model is exactly that a kind of vibration absorber for austenitic stainless steel light-wall pipe deep hole machining will be provided, and it can overcome the above deficiency that prior art exists.The purpose of this utility model is achieved in that the vibration absorber of stainless-steel thin-wall pipe deep hole machining, comprises upper support, encapsulate roller, lower support, is characterized in that: on bed piece, be provided with lower support, and locked through the transverse slat of latch segment and lower support by connecting bolt A; On the transverse slat of described lower support, be symmetrically arranged with central frame roller; The uniform reinforcement that is provided with on described central frame roller; The top center of described lower support is provided with upper support, and is locked by connecting bolt B; In described upper support, be symmetrically arranged with encapsulate roller; The uniform reinforcement that is provided with on described encapsulate roller; Between described upper support and lower support, certain side leaves the gap of 5～10mm.
The utility model can significantly improve its suface processing quality, cuts down finished cost and improve processing progress in deep hole machining process.Can effectively improve the metallurgical furnace roller body of roll and add the deficiency on existing technical, product in man-hour at endoporus, can process and meet user required every morpheme size and roughness requirement to metallurgical furnace roller body of roll endoporus defined completely, the product of this special purpose device processing in going together at home at present, level is in a leading position in the same industry.
Accompanying drawing explanation
Fig. 1 is the front view in the utility model structural representation;
Fig. 2 is the left view in the utility model structural representation;
1. upper support, 2. encapsulate roller, 3. workpiece, 4. lower support, 5. central frame roller, 6. connecting bolt A, 7. latch segment, 8. bed piece, 9. connecting bolt B.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail;
The vibration absorber of stainless-steel thin-wall pipe deep hole machining, comprises upper support 1, encapsulate roller 2, and lower support 4, is characterized in that: on bed piece 8, be provided with lower support 4, and locked through latch segment 7 and the transverse slat of lower support 4 by connecting bolt A6; On the transverse slat of described lower support 4, be symmetrically arranged with central frame roller 5; The uniform reinforcement that is provided with on described central frame roller 5; The top center of described lower support 4 is provided with upper support 1, and is locked by connecting bolt B9; In described upper support 1, be symmetrically arranged with encapsulate roller 2; The uniform reinforcement that is provided with on described encapsulate roller 2.During concrete enforcement, first, lower support 4 is fixed on bed piece 8, with connecting bolt 6, carries out fasteningly, according to workpiece 3 below outside dimensions, regulate the position of central frame roller 5, and adopt bolt that central frame roller 5 is fixed in lower support 4; Secondly, workpiece 3 one end are clamped by machine chuck, and the other end is supported by central frame roller 5, and workpiece 3 is carried out to centering; In upper support 1, be provided with encapsulate roller part 2, upper support 1 be arranged in lower support 4 and fastening by connecting bolt 9, encapsulate roller 2 is contacted with workpiece 3, guarantee that certain side between upper support 1 and lower support 4 leaves the gap of 5～10mm simultaneously.