CN205744896U - Heavy free forging oil press rotary table bearing arrangement - Google Patents
Heavy free forging oil press rotary table bearing arrangement Download PDFInfo
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- CN205744896U CN205744896U CN201620398070.1U CN201620398070U CN205744896U CN 205744896 U CN205744896 U CN 205744896U CN 201620398070 U CN201620398070 U CN 201620398070U CN 205744896 U CN205744896 U CN 205744896U
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Abstract
Heavy free forging oil press rotary table bearing arrangement, including outer ring and inner ring, inner ring is made up of the first inner ring and the second inner ring, the outer rim on the first inner ring top is radially provided with first annular projection, the outer rim of the second inner ring bottom is radially provided with the second annular protrusion, and the aperture surface of outer ring is provided with the 3rd annular protrusion being embedded between first annular projection and the second annular protrusion；Space between 3rd annular protrusion and first annular projection accommodates the first retainer and the first roller；Space between 3rd annular protrusion and the second annular protrusion accommodates the second retainer, the second roller and three rollers；On the outer wall of the second inner ring, the position that crosses with the first inner ring is provided with annular groove, is provided with the 4th roller between inwall and the annular groove of the 3rd annular protrusion.While the axial force that bearing of the present utility model is bigger when bearing forging, the radial load that a determining cause unbalance loading causes can be born, improve reliability during forging application.
Description
Technical field
This utility model relates to heavy forging molding tooling auxiliary tool, is specifically related to a kind of heavy free forging oil press rotary table bearing arrangement.
Background technology
Rotary table is the metallurgical accessory that hydraulic press is most basic, is mainly used in the forging processing of part, bears operating pressure and high temperature during forging and stamping.Hydraulic press is when forging dish forging, along with the iterative cycles vertically of tup is suppressed, forging on its rotary table is after forging and stamping each time, the direction given according to technique rotates a certain angle accordingly, and rotary table and forging rotate to realize supporting by large-scale floating bearing and rotate.The bearing that tradition uses is roller, spin combinative structure, as shown in Figure 1, rotary table is when rotated, when hydraulic press bears super large axial load, unbalance loading work, there will be the damage of keeper frame, raceway local dent, guide surface grinds wound, raceway cracks phenomenon, indicating traditional bearing and can not bear the load duty of on-the-spot press, bearing cannot lubricate in addition, it is necessary to carries out redesigning manufacture.
Utility model content
This utility model provides a kind of heavy free forging oil press rotary table bearing arrangement, and this structure is it can be avoided that the traditional bearing problem that can not bear the load duty of on-the-spot press.
The technical scheme that this utility model is used by solving the problems referred to above is: heavy free forging oil press rotary table bearing arrangement, including outer ring and inner ring, inner ring is made up of the first inner ring and the second inner ring, first inner ring and the second inner ring are split up and down and are consolidated by bolt, the outer rim on the first inner ring top is radially provided with first annular projection, and the outer diameter face of first annular projection offsets with the aperture surface of outer ring；The outer rim of the second inner ring bottom is radially provided with the second annular protrusion, the lower surface of outer ring is positioned at the upper surface of this second annular protrusion, and the outer diameter face of outer ring is concordant with the outer diameter face of the second annular protrusion, the aperture surface of outer ring is provided with the 3rd annular protrusion being embedded between first annular projection and the second annular protrusion；Wherein, accommodating the first retainer and the first roller in the space between the 3rd annular protrusion and first annular projection, the first roller is arranged in the pocket hole of the first retainer；Accommodating the second retainer, the second roller and three rollers in space between 3rd annular protrusion and the second annular protrusion, the second roller and three rollers are arranged in the pocket hole of the second retainer side by side；On the outer wall of the second inner ring, the position that crosses with the first inner ring is provided with annular groove, is provided with the 4th roller between inwall and the annular groove of the 3rd annular protrusion；Wherein, between lower surface and the upper surface of the second annular protrusion of outer ring, it is provided with the first sealing ring, between aperture surface and the outer diameter face of first annular projection of outer ring, is provided with the second sealing ring.
Further, the diameter of the second roller and three rollers is identical, and the diameter of the first roller, the second roller and the 4th roller is different.
In this utility model, the first inner ring and the second inner ring are communicated with the first roller, the second roller, three rollers and the oil filler point of the 4th roller.
Bearing arrangement of the present utility model considers the applying working condition of hydraulic press upper rotary workbench forging plate-like forging, and the single stamped activity duration is long, and forging heat transfer is formed for similar working continuously, so that table top internal bearings operating ambient temperature increases.The version of the rolling element of three row four row used in this utility model bearing, can bear super large axial load, unbalance loading work, rational lubricant method, it is easy to the structure of handling maintenance, is suitable for using at superduty open die forging liquefaction press upper rotary workbench.
Beneficial effect: 1, while the axial force that bearing of the present utility model is bigger when bearing forging, can bear the radial load that a determining cause unbalance loading causes, and improves reliability during forging application；And, this bearing can improve the axial load bearing extraneous possible increase, is provided with again simultaneously and bears bigger tilting moment, and under hot environment works, it is possible to keep overall dimensions to change little, improvement lubrication, increase the service life.
2, the first sealing ring and the setting of the second sealing ring, in the outside of bearing lower floor axially loaded raceway, axially loaded raceway top, upper strata be respectively formed sealing with extraneous gap location, to guarantee the good anti-dust performance of raceway, and roller all has good lubricating condition after being heated, extend the service life under forging high-temperature, dust working condition.
Accompanying drawing explanation
Fig. 1 is bearing schematic diagram of the prior art；
Fig. 2 is the bearing schematic diagram in this utility model；
Fig. 3 is the enlarged diagram of Fig. 2 left part；
Fig. 4 is the schematic diagram of retainer.
Reference: 1, outer ring, the 2, first inner ring, 20, first annular projection, 3, the second inner ring, the 30, second annular protrusion, the 4, first retainer, 5, the second retainer, the 6, first roller, the 7, second roller, 8, three rollers, the 9, the 4th roller, the 10, the 3rd annular protrusion, 11, the first sealing ring, the 12, second sealing ring, 13, bolt, 14, oil filler point 15, pocket hole, 16, copper shoe.
Detailed description of the invention
Readily appreciate for the technological means making this utility model realize, creation characteristic and the purpose reached; below in conjunction with concrete scheme of installation; this utility model it is expanded on further, but this utility model scope required for protection is not limited to the scope described in detailed description of the invention.
Heavy free forging oil press rotary table bearing arrangement, including outer ring 1 and inner ring, inner ring is made up of the first inner ring 2 and the second inner ring 3, and inner ring is split type installation form, it is simple to dismantles and safeguards.
As shown in Figures 2 and 3, the first inner ring 2 and the second inner ring about 3 splits and is consolidated by bolt 13, the outer rim on the first inner ring 2 top is radially provided with first annular protruding 20, and the first annular outer diameter face of protruding 20 offsets with the aperture surface of outer ring 1；The outer rim of the second inner ring 3 bottom is radially provided with the second annular protrusion 30, the lower surface of outer ring 1 is positioned at the upper surface of this second annular protrusion 30, and the outer diameter face of outer ring 1 is concordant with the outer diameter face of the second annular protrusion 30, the aperture surface of outer ring 1 is provided with and is embedded at first annular protruding 20 and second the 3rd annular protrusions 10 between annular protrusion 30.
Wherein, accommodating the first retainer 4 and the first roller 6 in the space between the 3rd annular protrusion 10 and first annular protruding 20, the first roller 6 is arranged in the pocket hole of the first retainer 4；Accommodating second retainer the 5, second roller 7 and three rollers 8 in space between 3rd annular protrusion 10 and the second annular protrusion 30, the second roller 7 and three rollers 8 are arranged in the pocket hole of the second retainer 5 side by side；On the outer wall of the second inner ring 3, the position that crosses with the first inner ring 2 is provided with annular groove, is provided with the 4th roller 9 between inwall and the annular groove of the 3rd annular protrusion 10.To the steel retainer used at the spigot surface of the bearing lower floor main raceway of axially loaded and the guiding of upper strata axially loaded raceway as shown in Figure 4, and carry out structural optimization, it is used on entity steel retainer on the inside and outside spigot surface in pocket hole 15, it is respectively provided with copper shoe 16, guarantee to reduce, in the case of bearing forging unbalance loading, the frictional force that cross component force is brought, improve service life.This bearing is unlike plain bearing stress: super large alternation axial load, alternation eccentric load superposition.
Wherein, as it is shown on figure 3, be provided with the first sealing ring 11 between the upper surface of the lower surface of outer ring 1 and the second annular protrusion 30, between aperture surface and the first annular outer diameter face of protruding 20 of outer ring 1, it is provided with the second sealing ring 12；First inner ring 2 and the second inner ring 3 are communicated with first roller the 6, second roller 7, three rollers 8 and the oil filler point of the 4th roller 9.
Preferably, the second roller 7 is identical with the diameter of three rollers 8, and the diameter of first roller the 6, second roller 7 and the 4th roller 9 is different.Preferably, a diameter of 20mm of the first roller 6, the diameter of the second roller 7 and three rollers 8 is 50mm, a diameter of 35mm of the 4th roller 9.
Bearing of the present utility model can be applicable under heavy duty oil press forging spinning working condition, the applying working condition that bearing working ambient temperature is about 200 DEG C.Bearing ring uses the 42CrMo material meeting GB/T3077 " structural alloy steel ", and quenching and tempering hardness HB229 ~ 269, after the quenched process of work surface of roller surface surface, hardness reaches HRC55 ~ 60, it is ensured that bearing has enough bearing capacitys.Roller material uses the GCr15SiMn of GB/T18254 " high-carbon-chromium bearing steel " to manufacture, and workmanship meets the regulation requirement of GB/T4661 " rolling bearing cylindrical roller ", and heat treatment meets the regulation of JB/T1255.Retainer uses sectional type retainer, and material is Q235 and QAL-10-4-4 combined material.According to using ambient temperature is higher, dust is bigger special circumstances, it is desirable to need between each lasso to take to prevent grease run off after being heated too fast, prevent the seal approach of dust pollution, it is preferred that sealing ring material uses the fluorubber of high temperature resistant 200 DEG C.
Claims (3)
1. heavy free forging oil press rotary table bearing arrangement, including outer ring (1) and inner ring, it is characterized in that: inner ring is made up of the first inner ring (2) and the second inner ring (3), first inner ring (2) and the second inner ring (3) are split up and down and are consolidated by bolt (13), the outer rim on the first inner ring (2) top is radially provided with first annular projection (20), and the outer diameter face of first annular projection (20) offsets with the aperture surface of outer ring (1)；The outer rim of the second inner ring (3) bottom is radially provided with the second annular protrusion (30), the lower surface of outer ring (1) is positioned at the upper surface of this second annular protrusion (30), and the outer diameter face of outer ring (1) is concordant with the outer diameter face of the second annular protrusion (30), the aperture surface of outer ring (1) is provided with the 3rd annular protrusion (10) being embedded between first annular projection (20) and the second annular protrusion (30)；
Wherein, accommodating the first retainer (4) and the first roller (6) in the space between the 3rd annular protrusion (10) and first annular projection (20), the first roller (6) is arranged in the pocket hole of the first retainer (4)；Accommodating the second retainer (5), the second roller (7) and three rollers (8) in space between 3rd annular protrusion (10) and the second annular protrusion (30), the second roller (7) and three rollers (8) are arranged in the pocket hole of the second retainer (5) side by side；On the outer wall of the second inner ring (3), the position that crosses with the first inner ring (2) is provided with annular groove, is provided with the 4th roller (9) between inwall and the annular groove of the 3rd annular protrusion (10)；
Wherein, between lower surface and the upper surface of the second annular protrusion (30) of outer ring (1), it is provided with the first sealing ring (11), between aperture surface and the outer diameter face of first annular projection (20) of outer ring (1), is provided with the second sealing ring (12).
Heavy free forging oil press rotary table bearing arrangement the most according to claim 1, it is characterized in that: the second roller (7) is identical with the diameter of three rollers (8), the diameter of the first roller (6), the second roller (7) and the 4th roller (9) is different.
Heavy free forging oil press rotary table bearing arrangement the most according to claim 1, it is characterised in that: the first inner ring (2) and the second inner ring (3) are communicated with the first roller (6), the second roller (7), three rollers (8) and the oil filler point of the 4th roller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620398070.1U CN205744896U (en) | 2016-05-05 | 2016-05-05 | Heavy free forging oil press rotary table bearing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620398070.1U CN205744896U (en) | 2016-05-05 | 2016-05-05 | Heavy free forging oil press rotary table bearing arrangement |
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| CN205744896U true CN205744896U (en) | 2016-11-30 |
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| CN201620398070.1U Active CN205744896U (en) | 2016-05-05 | 2016-05-05 | Heavy free forging oil press rotary table bearing arrangement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150963A (en) * | 2017-06-30 | 2017-09-12 | 天津大学 | A kind of ocean platform crane |
| CN108516473A (en) * | 2018-06-04 | 2018-09-11 | 中天科技集团海洋工程有限公司 | A kind of full-rotary crane |
| CN109812502A (en) * | 2019-03-26 | 2019-05-28 | 洛阳新强联回转支承股份有限公司 | A kind of three-row cylinder roller cutter head of shield machine bearing of bimetallic retainer |
| CN111022488A (en) * | 2019-12-17 | 2020-04-17 | 新昌县倍顺机械有限公司 | Wear-resistant firm type rotating bearing for mounting rotating base |
-
2016
- 2016-05-05 CN CN201620398070.1U patent/CN205744896U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150963A (en) * | 2017-06-30 | 2017-09-12 | 天津大学 | A kind of ocean platform crane |
| CN108516473A (en) * | 2018-06-04 | 2018-09-11 | 中天科技集团海洋工程有限公司 | A kind of full-rotary crane |
| CN109812502A (en) * | 2019-03-26 | 2019-05-28 | 洛阳新强联回转支承股份有限公司 | A kind of three-row cylinder roller cutter head of shield machine bearing of bimetallic retainer |
| CN111022488A (en) * | 2019-12-17 | 2020-04-17 | 新昌县倍顺机械有限公司 | Wear-resistant firm type rotating bearing for mounting rotating base |
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