CN102814658B - Award oily device and scrape roller - Google Patents

Award oily device and scrape roller Download PDF

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Publication number
CN102814658B
CN102814658B CN201210266175.8A CN201210266175A CN102814658B CN 102814658 B CN102814658 B CN 102814658B CN 201210266175 A CN201210266175 A CN 201210266175A CN 102814658 B CN102814658 B CN 102814658B
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CN
China
Prior art keywords
flange
oily device
bearing
sealing
ring
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Expired - Fee Related
Application number
CN201210266175.8A
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Chinese (zh)
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CN102814658A (en
Inventor
罗晓芳
简玉山
王永兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Group Co Ltd Shanghai Branch
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Shanghai Sany Precision Machinery Co Ltd
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Priority to CN201210266175.8A priority Critical patent/CN102814658B/en
Publication of CN102814658A publication Critical patent/CN102814658A/en
Application granted granted Critical
Publication of CN102814658B publication Critical patent/CN102814658B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention relates to machine tool technology field, disclose one and award oily device and scrape roller.This is awarded oily device and comprises: casing, has first end and the second end, runs through being provided with endoporus in the casing between described first end and described second end; Bearing, its outer ring and described second end are fixed, and coaxially arrange with the outlet of described endoporus; Locating cone dish, fixes with the inner ring of described bearing, and coaxially arranges with described inner ring.What the embodiment of the present invention provided awards oily device, the first end (front end) of its casing is connected with locating cone dish by bearing, locating cone dish is rotated relative to casing, in use, workpiece is held out against by locating cone dish, boring bar with cutter extends through endoporus and processes workpiece, cutter and workpiece can rotate simultaneously, and direction is contrary, contribute to shortening processing so consuming time, improve working (machining) efficiency, and the sealing guide frame being located at casing first end can ensure the sealing of boring bar in former and later two directions of motion and guiding anti-wear performance.

Description

Award oily device and scrape roller
Technical field
The present invention relates to machine tool technology field, particularly one is awarded oily device and is scraped roller.
Background technology
Along with the high speed development of China's industry, require more and more higher for the processing characteristics of machine industry lathe machine tool, stability and processing work precision etc.Scraping roller bed is that a kind of gang tool that adopts realizes the high-effective deep hole process equipment processed cylinder tube endoporus heavy boring, scraping and tumbling.Awarding oily device is the important component part of scraping roller, its inside is provided with seal chamber, award oily device front end and be provided with locating cone dish for workpiece pre-tightening, rear end is provided with boring bar sealing ring, the oil-in of cooling stations is provided with at right flank, the Main Function awarding oily device is as follows: one is lead to scraping hobboing cutter tool, and two is hold out against parts use as Workpiece fixing, and three is use as the input of cooling fluid during drilling.
Existing one awards oily device in use, and workpiece holds out against fixing by the locating cone dish awarding oily device front end, and boring bar extends through to be awarded oily device and process workpiece, and process consuming time longer, working (machining) efficiency is low; In addition, be located at the hermetically-sealed construction awarding oily device rear end simple, both cannot meet the sealing needs of boring bar when feed motion and rotary motion, also cannot meet the sealing needs of boring bar when returning fast, sealing effectiveness is poor.
Therefore, how awarding oily device improve for existing, more to adapt to use needs, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the present invention aims to provide one and awards oily device and scrape roller, can rotate to realize workpiece and cutter in process simultaneously, shortens processing consuming time, improves working (machining) efficiency.
On the one hand, the invention provides one and award oily device, described in award oily device and comprise: casing, has first end and the second end, runs through being provided with endoporus in the casing between described first end and described second end; Bearing, its outer ring and described second end are fixed, and coaxially arrange with the outlet of described endoporus; Locating cone dish, fixes with the inner ring of described bearing, and coaxially arranges with described inner ring.
Further, described in award oily device and also comprise the first flange, described first flange is sheathed on the outlet that described endoporus is positioned at described first end, and the outer ring sleeve of described bearing is located in described first flange.
Further, described in award oily device and also comprise bearings and the second flange, wherein, described bearings is sheathed in the inner ring of described bearing, and described second flange sleeve is located in described bearings, and described locating cone dish is fixed on described second flange.
Further, award oily device described in and also comprise inner flange, outward flange, the first oil sealing and the second oil sealing; Described outward flange is fixed on the end, outer end of described first flange, spacing by the inner end of described first flange inside the outer ring of described bearing, spacing by described outward flange outside the outer ring of described bearing; Spacing by the inner end of described bearings inside the inner ring of described bearing, spacing by the end, outer end of described second flange outside the inner ring of described bearing; Described inner flange is fixed on the inner end face of described first flange, between the inner end that described first oil sealing is fixed on described first flange by described inner flange and the inner end of described bearings; Described second oil sealing is located between described outward flange and described second end, flange outer end.
Further, the number of described bearing is two, and described two bearing spacer are arranged, and between the outer ring of described two bearings and be respectively arranged with the first spacer and the second spacer between inner ring.
Further, award oily device described in and also comprise sealing shroud and sealing ring; Described sealing shroud and described second end are fixed, and coaxially arrange with the outlet that described endoporus is positioned at described second end; Described sealing ring is arranged in described sealing shroud.
Further, described in award oily device and also comprise guiding wear ring, described guiding wear ring is arranged in described sealing shroud.
Further, described in award oily device and also comprise three-flange, described second end is fixed on by three-flange in one end of described sealing shroud.
Further, described in award oily device and also comprise the 4th flange and the 3rd oil sealing, described 3rd oil sealing is fixed on the end face of the other end of described sealing shroud by described 4th flange.
On the other hand, present invention also offers one and scrape roller, described in scrape roller and be provided with and award oily device described in above-mentioned any one.
One provided by the invention awards oily device, the first end (front end) of its casing is connected with locating cone dish by bearing, locating cone dish is rotated relative to casing, in use, workpiece is held out against by locating cone dish, and the endoporus that the boring bar with cutter extends through in casing is processed workpiece, cutter and workpiece can rotate simultaneously, and direction is contrary, contributes to shortening processing so consuming time, improve working (machining) efficiency; In addition, in a kind of concrete scheme, be also provided with sealing shroud at second end (rear end) of casing, in sealing shroud, be provided with sealing ring, the number of sealing ring can be arranged as required, in use to prevent fluid seepage from the gap between casing and boring bar from going out; In addition, in another kind of concrete scheme, in sealing shroud, be also provided with guiding wear ring, so that when boring bar is done feed motion, rotary motion and return fast, prevent the surface quality of boring bar Fast Wearing, protection boring bar, provide guide effect to boring bar simultaneously; In addition, in another concrete scheme, in sealing shroud, be also provided with the 3rd oil sealing, extraneous dust can be avoided to enter in sealing shroud or casing, also prevent the lubricating fluid of sealing ring, guiding wear ring or other fluid seepages from going out.
A kind of roller of scraping provided by the invention is provided with and above-mentioned awards oily device, and because above-mentioned oily utensil of awarding has above-mentioned technique effect, therefore, this is scraped roller and also has corresponding technique effect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
A kind of structural representation awarding oily device that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
To it should be pointed out that in this part to the description of concrete structure and description order it is only explanation to specific embodiment, should not be considered as there is any restriction to protection scope of the present invention.In addition, when not conflicting, the embodiment in this part and the feature in embodiment can combine mutually.
Please refer to Fig. 1, below with reference to the accompanying drawings and the present invention is described in further detail in conjunction with the embodiments.
As shown in the figure, the oily device of awarding of this embodiment mainly comprises casing 4, bearing 18, locating cone dish 14, first flange 7, bearings 5, second flange 17, inner flange 6, outward flange 13, first oil sealing 19, second oil sealing 16, first spacer 8, second spacer 9, three-flange 3, sealing shroud 2, the 4th flange 1, guiding wear ring 21, sealing ring 24 and the 3rd oil sealing 25 etc.
Casing 4 has first end (front end) and the second end (rear end), run through in casing 4 between first end and the second end and be provided with endoporus (figure does not indicate), namely two outlets (being circle) of this endoporus lay respectively at first end and the second end place, about the concrete structure of casing 4, function and implementation can see the associated description of prior art.
First flange 7 is sheathed on the exit that described endoporus is positioned at casing 4 first end, and the outer end of the first flange 7 (be namely positioned at the one end outside endoporus, Figure 1 shows that right-hand member) end is fixedly connected with casing 4 by bolt 7; The outer ring sleeve of bearing 18 is located in the first flange 7, bearings 5 is sheathed in the inner ring of bearing 18, preferably, the number of bearing 18 is two (i.e. situations shown in Fig. 1), these two bearing 18 intervals are arranged, and arrange the first spacer 8 and the second spacer 9 between the outer ring of two bearings 18 and between inner ring respectively; Second flange 17 is sheathed in bearings 5, and its outer end (be namely positioned at the one end outside bearings 5, Figure 1 shows that right-hand member) end is fixedly connected with bearings 5 by bolt 10; Locating cone dish 14 is connected with the outer end end winding support of the second flange 17 by bolt 15.
The inner of first flange 7 (is namely positioned at one end of endoporus, Figure 1 shows that left end) end is spacing to carrying out inside the outer ring of inner bearing 18, the inner (the defining the same) end of bearings 5 is spacing to carrying out inside the outer ring of inner bearing 18, the end, outer end of the second flange 17 is spacing to carrying out outside the inner ring of outer bearing 18, outward flange 13 is connected with the outer end end winding support of the first flange 7 by bolt 12, outward flange 13 is spacing to carrying out outside the outer ring of outer bearing 18, setting like this can ensure the stability of bearing 18, prevents it from axially-movable occurring.
Preferably, in order to ensure the sealing property of two bearings 18 when lubricating, the first oil sealing 19 is provided with between the first inner end of flange 7 inside inner bearing 18 and the inner end of bearings 5, inner flange 6 is connected with the inner end winding support of the first flange 7 by bolt 20, and then be fixed between the first inner end of flange 7 and the inner end of bearings 5 by the first oil sealing 19, and be provided with the second oil sealing 16 between outward flange 13 outside outer bearing 18 and the second end, flange 17 outer end; In use, when needs replacing first oil sealing 19 or the second oil sealing 16, only need to change it afterwards by inner flange 6 or outward flange 13 are disassembled.
Three-flange 3 is located at the exit that described endoporus is positioned at casing 4 second end, and be fixedly connected with casing 4 by bolt 22, one end of sealing shroud 2 is fixedly connected with three-flange 3 by bolt 23, sealing ring 24 and guiding wear ring 21 is provided with in sealing shroud 2, in process, sealing ring 24 can prevent the seepage from the gap between casing 4 and boring bar of the fluid in casing 4 from going out, and the wear ring 21 that leads can provide guide effect to the boring bar with cutter, be convenient to boring bar and do feed motion, rotary motion or return fast, and contribute to the degree of wear reducing boring bar, improve the surface quality of boring bar, extend the service life of boring bar, due to the setting of the wear ring that leads, gap between casing 4 and boring bar can arrange larger, to reduce the rate of wear of boring bar, preferably, the number of guiding wear ring 21 and sealing ring 24 is two, wherein, two guiding wear ring 21 intervals are arranged, two sealing ring 24 intervals are arranged, and two sealing rings 24 are between two guiding wear rings 21, further ensure the sealing of boring bar in former and later two directions of motion and guiding anti-wear performance like this.
3rd oil sealing 25 is fixedly installed on the end face of sealing shroud 2 other end by the 4th flange 1,3rd oil sealing 25 can prevent the lubricating fluid of sealing ring 24, guiding wear ring 21 or other fluid seepages from going out, and extraneous dust also can be avoided to enter in sealing shroud 2 or casing 4.
The following describes the use procedure of awarding oily device of above-described embodiment:
In use, workpiece is held out against by locating cone dish, the endoporus that boring bar with cutter extends through in casing is processed workpiece, boring bar can do feed motion and rotary motion (relative to casing 4) when advancing, and locating cone dish 14 will be driven during workpiece rotation, second flange 17, the inner ring of bearings 5 and bearing 18 rotates relative to casing 4, namely cutter and workpiece can rotate simultaneously, and direction is contrary, the processing contributing to shortening workpiece is like this consuming time, improve working (machining) efficiency, the sealing shroud cover 2 of casing 4 second end is enclosed within boring bar in addition, sealing ring 24 and guiding wear ring 21 pairs of boring bars of its inside provide sealing and wear-resisting effect of leading, meet boring bar in feed motion, rotary motion and normally working when returning fast.
In above-described embodiment, the outlet that bearing 18, locating cone dish 14, first flange 7, bearings 5, second flange 17, inner flange 6, outward flange 13 and described endoporus are positioned at first end all coaxially arranges (namely central axis is identical); In addition, three-flange 3, sealing shroud 2, the 4th flange 1 are coaxially arranged (namely central axis is identical) with the outlet that described endoporus is positioned at the second end.
In above-described embodiment, the first oil sealing 19, second oil sealing 16 and the 3rd oil sealing 25 preferably outside framework oil seal.
In above-described embodiment, the sealing guide frame being located at casing 4 second end comprises sealing shroud 2, sealing ring 24, guiding wear ring 21 and the 3rd oil sealing 25 etc., to reach good effect, in other embodiments, the mounting means of sealing shroud 2, sealing ring 24 and the guiding number of wear ring 21 and the fixed form etc. of the 3rd oil sealing 25 also can be arranged as required, are not limited to described in above-described embodiment.
In above-mentioned various embodiment, can be that two bearings 18 arrange corresponding lubrication channel (broken line representation see in the first flange 7 and the first spacer 8), the import of this lubrication channel is located on the end, outer end of the first flange 7, and this lubrication channel is inner and lead to after first spacer 8 in the space between two bearings 18 through the first flange 7.
In above-mentioned various embodiment, two bearing 18 intervals are arranged, certain span can be ensured, contribute to improving stability, and also separated by spacer between two bearings 18, further increase the working stability performance of bearing, in other embodiments, also the bearing of other numbers can be adopted as required, such as, more than one or two, only otherwise affect corresponding function of the present invention.
In above-mentioned various embodiment, the first end of casing 4 adopts the connection of the realizations such as flange, bearing and bearings 5 and locating cone dish 14 by the way, and then realize locating cone dish 14 and can rotate by opposite case 4, structure is simple, be convenient to dismounting safeguard, in other embodiments, fix between the outer ring of bearing 18 and casing 4 and also can adopt other modes as required, correspondingly, fixing between the inner ring of bearing 18 and locating cone dish 14 also can adopt other modes as required, can relative to locating cone disc spins as long as can realize locating cone dish 14.
In above-mentioned various embodiment, locating cone dish 14 can adopt alloy steel material, by high-frequency quenching, improves hardness, increases the service life of locating cone dish, reduce the number of times changing locating cone dish, greatly improve working (machining) efficiency.
In above-mentioned various embodiment, respectively corresponding optimization or improvement are done to the structure of casing 4 rear and front end of awarding oily device, in other embodiments, casing 4 front end is being pressed on the basis of any one method optimizing above-mentioned, the sealing guide frame that casing 4 rear end also can adopt this area common.
To sum up, the embodiment of the present invention and provide based on the various modification of this embodiment award oily device, the first end (front end) of its casing is connected with locating cone dish by bearing, locating cone dish is rotated, in use relative to casing, workpiece is held out against by locating cone dish, the endoporus that boring bar with cutter extends through in casing is processed workpiece, and cutter and workpiece can rotate simultaneously, and direction is contrary, contribute to shortening processing so consuming time, improve working (machining) efficiency.
The embodiment of the present invention additionally provides one and scrapes roller, this is scraped roller and is provided with and above-mentioned awards oily device, because above-mentioned oily utensil of awarding has above-mentioned technique effect, therefore, be provided with this and award scraping roller and also should possessing corresponding technique effect of oily device, the specific implementation process of its appropriate section is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. award an oily device, it is characterized in that, described in award oily device and comprise:
Casing (4), has first end and the second end, runs through being provided with endoporus in the casing (4) between described first end and described second end;
Bearing (18), its outer ring and described first end are fixed, and coaxially arrange with the outlet of described endoporus, the number of described bearing (18) is two, described two bearing spacer are arranged, and between the outer ring of described two bearings and be respectively arranged with the first spacer (8) and the second spacer (9) between inner ring;
Locating cone dish (14), fixes with the inner ring of described bearing (18), and coaxially arranges with described inner ring;
Sealing shroud (2), fixes with described second end, and coaxially arranges with the outlet that described endoporus is positioned at described second end;
Sealing ring (24), is arranged in described sealing shroud (2);
Guiding wear ring (21), is arranged in described sealing shroud (2); The number of described guiding wear ring (21) and described sealing ring (24) is two, two described guiding wear ring (21) intervals are arranged, two described sealing ring (24) intervals are arranged, and two described sealing rings (24) are positioned between two described guiding wear rings (21).
2. award oily device as claimed in claim 1, it is characterized in that: described in award oily device and also comprise the first flange (7), described first flange (7) is sheathed on the outlet that described endoporus is positioned at described first end, and the outer ring sleeve of described bearing (18) is located in described first flange (7).
3. award oily device as claimed in claim 2, it is characterized in that: described in award oily device and also comprise bearings (5) and the second flange (17), wherein, described bearings (5) is sheathed in the inner ring of described bearing (18), described second flange (17) is sheathed in described bearings (5), and described locating cone dish (14) is fixed on described second flange (17).
4. award oily device as claimed in claim 3, it is characterized in that:
Describedly award oily device and also comprise inner flange (6), outward flange (13), the first oil sealing (19) and the second oil sealing (16);
Described outward flange (13) is fixed on the end, outer end of described first flange (7), spacing by the inner end of described first flange (7) inside the outer ring of described bearing (18), spacing by described outward flange (13) outside the outer ring of described bearing (18);
Spacing by the inner end of described bearings (5) inside the inner ring of described bearing (18), spacing by the end, outer end of described second flange (17) outside the inner ring of described bearing (18);
Described inner flange (6) is fixed on the inner end face of described first flange (7), between the inner end that described first oil sealing (19) is fixed on described first flange (7) by described inner flange (6) and the inner end of described bearings (5);
Described second oil sealing (16) is located between described outward flange (13) and described second flange (17) end, outer end.
5. as described in any one of Claims 1-4, award oily device, it is characterized in that: described in award oily device and also comprise three-flange (3), described second end is fixed on by three-flange (3) in one end of described sealing shroud (2).
6. award oily device as claimed in claim 5, it is characterized in that: described in award oily device and also comprise the 4th flange (1) and the 3rd oil sealing (25), described 3rd oil sealing (25) is fixed on the end face of the other end of described sealing shroud (2) by described 4th flange (1).
7. scrape a roller, it is characterized in that: described in scrape roller and be provided with and award oily device described in any one of claim 1 to 6.
CN201210266175.8A 2012-07-30 2012-07-30 Award oily device and scrape roller Expired - Fee Related CN102814658B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210266175.8A CN102814658B (en) 2012-07-30 2012-07-30 Award oily device and scrape roller

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Application Number Priority Date Filing Date Title
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CN102814658A CN102814658A (en) 2012-12-12
CN102814658B true CN102814658B (en) 2015-09-02

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458828A (en) * 2016-01-06 2016-04-06 中车青岛四方机车车辆股份有限公司 Fluid supply device and drilling machine
CN105710717B (en) * 2016-04-13 2017-11-28 天水星火机床有限责任公司 One kind awards oily device
CN106271868B (en) * 2016-09-09 2018-10-23 上海宁远精密机械有限公司 One kind rotatably awarding oily device
CN112247207B (en) * 2020-10-19 2023-02-21 聊城昊卓机械制造有限公司 Deep hole drilling machine awards oily ware subassembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201020624Y (en) * 2006-07-28 2008-02-13 中煤张家口煤矿机械有限责任公司 Deep hole boring positioning and clamping apparatus
CN102251914A (en) * 2011-06-24 2011-11-23 东方电气集团东风电机有限公司 Novel cylinder-moving type oil receiver
CN202151796U (en) * 2011-05-26 2012-02-29 常州宝隆冶金设备制造有限公司 Refueling device and cutting tool manufactured thereby
CN102588596A (en) * 2012-03-20 2012-07-18 上海三一精机有限公司 Scraping-rolling machine boring rod spiral sealing mechanism and scraping-rolling machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122808A (en) * 2000-02-11 2000-09-26 Industrial Technology Research Institute Oil conduit mechanism for spindle head of five axis machine tool
JP5028158B2 (en) * 2007-06-27 2012-09-19 株式会社森精機製作所 Cutting agent supply device for machine tools
JP2009012091A (en) * 2007-07-02 2009-01-22 Mori Seiki Co Ltd Apparatus for supplying cutting agent in machine tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201020624Y (en) * 2006-07-28 2008-02-13 中煤张家口煤矿机械有限责任公司 Deep hole boring positioning and clamping apparatus
CN202151796U (en) * 2011-05-26 2012-02-29 常州宝隆冶金设备制造有限公司 Refueling device and cutting tool manufactured thereby
CN102251914A (en) * 2011-06-24 2011-11-23 东方电气集团东风电机有限公司 Novel cylinder-moving type oil receiver
CN102588596A (en) * 2012-03-20 2012-07-18 上海三一精机有限公司 Scraping-rolling machine boring rod spiral sealing mechanism and scraping-rolling machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
深孔钻镗床授油器拖板传动系统的分析计算;王保元;《制造技术与机床》;19941218(第12期);第22-25页 *

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Effective date of registration: 20151013

Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3

Patentee after: SHANGHAI BRANCH OF SANY GROUP CO., LTD.

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