CN201543849U - Boring head - Google Patents
Boring head Download PDFInfo
- Publication number
- CN201543849U CN201543849U CN2009202924009U CN200920292400U CN201543849U CN 201543849 U CN201543849 U CN 201543849U CN 2009202924009 U CN2009202924009 U CN 2009202924009U CN 200920292400 U CN200920292400 U CN 200920292400U CN 201543849 U CN201543849 U CN 201543849U
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- Prior art keywords
- scraping
- boring head
- boring
- scraping body
- sharpener
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- Expired - Fee Related
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Abstract
The utility model discloses a boring head, including a floating boring cutter (25) arranged on the middle of a scraping head body (21), and a reset spring (253) and a pushrod (251) which cooperate to drive the floating boring cutter (25) to be protruded or retracted radially along the scraping head body (21), also including a fixed scraping cutter (23) fixed on the front end part of the scraping head body (21), wherein the cutting diameter of the fixed scraping cutter (23) is less than that of the floating boring cutter (25). The boring head of the utility model is capable of improving the smoothness of the inner bore of a workpiece machined by the boring head so as to improve machining quality of the workpiece.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of boring head.
Background technology
Along with the fast development of China's economic construction, market increases day by day for the demand of scraping the roller boring machine, and is in order to satisfy the requirement of different workpieces machining accuracy, also different with the kind of scraping the boring head that the roller boring machine matches.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical boring head in the prior art.
Boring head of the prior art comprises a driving handle 13 and a scraping body 11, the middle part of a scraping body 11 is equipped with floating boring tool 12, floating boring tool 12 can be opened under the effect of back-moving spring (not shown) and push rod 16 or withdraw, driving handle 13 an and scraping body 11 is connected as a single entity under the pressure effect of holding screw 15, and the flat key 14 that is used to transmit moment of torsion also is installed between the two.
In the course of work, floating boring tool is opened under the mating reaction of push rod 16 and back-moving spring, driving handle 13 rotation under the power set (not shown) of scraping the roller boring machine drives, and by the flat key 15 transmission moments of torsion that connect a driving handle 13 and a scraping body 11, thereby drive 11 rotations of a scraping body, realize the processing of the endoporus of 12 pairs of work pieces such as drawn tube of floating boring tool; After machining, floating boring tool 12 is return under the mating reaction of push rod 16 and back-moving spring, and driving handle 13 withdraws from endoporus under the effect of power set, and owing to the effect of holding screw 15, driving handle 13 drives a scraping body 11 and pulls out endoporus together simultaneously.
Yet because the floating action of floating boring tool 13 is subjected to the influence of the precision of the existing endoporus of work piece, floating boring tool 13 can move about in the hole that do not coexist with the suffered pressure in its each position.If the endoporus bending of work piece, floating boring tool 13 will constantly change cutting position in the hole of bending, like this, will cause in the endoporus of the work piece that is processed has a lot of ripples and chatter mark, the smoothness of endoporus is affected, thereby has had a strong impact on the quality of product to be processed.
Therefore, how to improve the smoothness of the endoporus of the work piece of processing by boring head, and then the crudy of raising work piece is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of boring head that is used to scrape the roller boring machine, and this boring head can improve the smoothness of the endoporus of the work piece of being processed by boring head, and then improves the crudy of work piece.
For solving the problems of the technologies described above, the utility model provides a kind of boring head, the floating boring tool that comprises the middle part that is arranged at a scraping body, and back-moving spring and push rod, the two cooperatively interacts and drives the extending radially out or withdrawing along a scraping body of described floating boring tool, also comprise be fixed in a described scraping body leading section fixedly scrape sharpener, the described cutting diameter of fixedly scraping the cutting diameter of sharpener less than described floating boring tool.
Preferably, also comprise guider, described guider is installed on a described scraping body, and is positioned at the described rear side of fixedly scraping sharpener.
Preferably, the described number of fixedly scraping sharpener is two, and is installed on the both sides of the same diameter of a described scraping body.
Preferably, the driving handle of described boring head offers groove, and described groove is positioned at the correspondence position of the screw of the holding screw that connects a described scraping body and described driving handle, is provided with contiguous block in the described groove, one end of described contiguous block is arranged in described screw, and its other end is arranged in described groove.
Preferably, described groove has wedge structure.
Preferably, described contiguous block is the quenching piece.
Preferably, the center of described driving handle is equipped with piston rod, and described piston rod promotes described push rod and moves forward under the effect of power part.
Preferably, be set with taper sheath on the described driving handle, described taper sheath has a larger-diameter end near a described scraping body, is set with the roller device on the described taper sheath, and the roller of described roller unit contacts with described taper sheath.
Boring head provided by the utility model, the floating boring tool that comprises the middle part that is arranged at a scraping body, and back-moving spring and push rod, the two cooperatively interacts and drives floating boring tool extending radially out or withdrawing along a scraping body, also comprise be fixed in a scraping body leading section fixedly scrape sharpener, fixedly scrape the cutting diameter of the cutting diameter of sharpener less than floating boring tool.Carry out the man-hour that adds of work piece endoporus when needs, under the mating reaction of push rod and back-moving spring, floating boring tool is opened, under the effect of power set, the scraping of a boring head body rotation, because being provided with, the leading section of a scraping body fixedly scrapes sharpener, fixedly scrape sharpener and at first carry out the cutting of the endoporus of work piece, because floating boring tool is positioned at the middle part (promptly being positioned at the back of fixedly scraping sharpener) of a scraping body, the cutting diameter of floating boring tool is greater than the cutting diameter of fixedly scraping sharpener simultaneously, and like this, floating boring tool can carry out the cutting second time to the endoporus of fixedly scraping after sharpener cuts, because the cutting precision of floating boring tool is higher, has improved crudy.As can be seen, boring head provided by the utility model is when the endoporus of processing work piece, the sharpener of fixedly scraping that is installed on a scraping body leading section at first cuts endoporus, because fixedly scraping sharpener fixedlys connected with a scraping body, can not change cutting direction along with the bending of the existing endoporus of work piece, thereby after fixedly scraping the cutting of sharpener, the quality of the endoporus of work piece is improved, like this, when being installed on the cutting of the floating boring tool fixedly scraped after the sharpener, can be not again because the difference of the pressure at each position and migration, thereby avoided the appearance of chatter mark etc., improved the crudy of the smoothness and the work piece of endoporus.
In a kind of preferred implementation, the driving handle of boring head provided by the utility model offers groove, and groove is positioned at the correspondence position of the screw of the holding screw that connects a scraping body and driving handle, is provided with contiguous block in the groove, one end of contiguous block is arranged in screw, and its other end is arranged in groove.Like this, when boring head retreats when carrying out roll-in, driving handle moves backward while rotating under the effect of power part, and then a pulling scraping body moves backward, this motive force is transmitted by contiguous block, and holding screw does not bear the axial active force along driving handle, only plays the connection effect that compresses a driving handle and a scraping body, prevented that holding screw is out of shape under the effect of axial force, thereby, when needs carry out the maintenance of boring head inner components and change, made things convenient for the dismounting of boring head.
Description of drawings
Fig. 1 is the structural representation of a kind of typical boring head in the prior art;
Fig. 2 looks schematic diagram for the utility model provides the master of a kind of specific embodiment of boring head;
Fig. 3 provides the full section schematic diagram of a kind of specific embodiment of boring head for the utility model.
The specific embodiment
Core of the present utility model provides a kind of boring head that is used to scrape the roller boring machine, and this boring head can improve the smoothness of the endoporus of the work piece of being processed by boring head, and then improves the crudy of work piece.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 looks schematic diagram for the utility model provides the master of a kind of specific embodiment of boring head; Fig. 3 provides the schematic top plan view of a kind of specific embodiment of boring head for the utility model.
In a kind of specific embodiment, boring head provided by the utility model, comprise a scraping body 21 and driving handle 22, the middle part of a scraping body 21 is provided with floating boring tool 25, radially the opening or withdrawing of the effect lower edge scraping body 21 that turning cylinder 252 that floating boring tool 25 can promote at push rod 251 and back-moving spring 253 cooperatively interact, the leading section of a scraping body 21 is installed with and fixedly scrapes sharpener 23, fixedly scrape the cutting diameter of the cutting diameter of sharpener 23 less than floating boring tool 25, a scraping body 21 is connected by holding screw 27 with driving handle 22.Left part when leading section as herein described refers to boring head placed according to position shown in Figure 2; The cutting diameter of fixedly scraping sharpener 23 as herein described is meant after fixedly scraping sharpener 23 and being installed on the scraping body 21, the diameter of the formed endoporus of cutting work piece; After the cutting diameter of floating boring tool 25 as herein described is meant and is installed on floating boring tool 25 on the scraping body 21, under the mating reaction of back-moving spring 253 and push rod 251, open the diameter of the formed endoporus of back cutting work piece.
In the process, at first work piece and boring head are installed on and scrape the roller boring machine, the thrust of push rod 251 disappears, under the effect of back-moving spring 253 elastic force, floating boring tool 25 is opened, under the effect of power set, driving handle 22 moves forward while rotating, and then transmit moment of torsion and axial forces to a scraping body 21 by flat key 20 and holding screw 27, owing to fixedly scrape the leading section that sharpener 23 is arranged at a scraping body 21, floating boring tool 25 is positioned at the middle part (promptly being positioned at the back of fixedly scraping sharpener 23) of a scraping body 21, therefore the cutting diameter of floating boring tool 25, fixedly scrapes the scraping first time that sharpener 23 at first carries out the endoporus of work piece greater than the cutting diameter of fixedly scraping sharpener 23 simultaneously, the floating boring tool 25 that is installed on the middle part of a scraping body 21 is then cutting on the ground foundation for the first time, and the endoporus of work piece is carried out the scraping second time.
After scraping was finished, floating boring tool 25 was withdrawn under the thrust of push rod 251, therefore in the process of withdrawing, can the scratch endoporus, simultaneously because fixedly to scrape the cutting diameter of sharpener 23 less, can the scratch endoporus yet, thus guaranteed the crudy of the endoporus of work piece.
Like this, boring head provided by the utility model is when the endoporus of processing work piece, the sharpener 23 of fixedly scraping that is installed on a scraping body 21 leading sections at first cuts endoporus, because fixedly scraping sharpener 23 fixedlys connected with a scraping body 21, can not change cut direction along with the bending of the existing endoporus of work piece, thereby after fixedly scraping the cutting of sharpener 23, the quality of the endoporus of work piece is improved, at this moment, when being installed on the cutting again of the floating boring tool 25 fixedly scraped after the sharpener 23, can be not again because the difference of the pressure at each position and constantly migration, thereby avoided the appearance of chatter mark etc., thereby improved the smoothness of endoporus of work piece and the crudy of work piece.
In a kind of specific embodiment, boring head provided by the utility model can also comprise guider 24, and guider 24 is installed on a scraping body 21, and is positioned at the rear side of fixedly scraping sharpener 23.Like this, fixedly scrape sharpener 23 when the endoporus of cutting work piece, can under the guide effect of guider 24, cut, thereby prevented that further fixedly boring head 23 is subjected to the difference of each position active force of work piece and changes cutting direction, improved the quality of the endoporus of the work piece of being processed when cutting for the first time, for the cutting second time of floating boring tool 25 is got ready, thus the smoothness of the endoporus that is processed after the cutting for the second time of assurance process.
Particularly, the number of fixedly scraping sharpener 23 can be two, and is installed on the both sides of the same diameter of a scraping body 21, promptly fixedly scrapes the leading section that sharpener 23 is arranged at a scraping body 21 equably.Like this, not only can improve working (machining) efficiency, and make and fixedly scrape the stressed more even of sharpener 23 and whole boring head, guarantee the quality of cutting for the first time.
In a kind of preferred implementation, can also offer groove on the driving handle 22 of boring head provided by the utility model, groove is positioned at the correspondence position of the screw of the holding screw 27 that connects a scraping body 21 and driving handle 22, be provided with contiguous block 26 in the groove, one end of contiguous block 26 is arranged in screw, and its other end is arranged in groove.
Like this, under the effect of driving handle 22 at power part, move backward while rotating, and then a pulling scraping body 21 is when moving backward, this motive force is transmitted by contiguous block 26, holding screw 27 does not bear the axial active force along driving handle 22, only play the effect of a crimping driving handle 22 and a scraping body 21, prevented that holding screw 27 is out of shape under the effect of axial force, thereby, when needs carry out the maintenance of boring head inner components and change, made things convenient for the dismounting of boring head.
Particularly, can be set to have wedge structure by groove.The groove of wedge structure can make an end of contiguous block 26 be arranged in screw at an easy rate, and its other end is arranged in groove, has relaxed the restriction for the physical dimension of contiguous block 26, thereby can reduce the complexity and the processing cost of processing contiguous block 26.
In order to improve the power transmission effect of contiguous block 26, contiguous block 26 provided by the utility model can be the quenching piece.Contiguous block 26 through Quenching Treatment has higher hardness, distortion in the axial force of transmitting driving handle 22 is less, transfer function power preferably, reduced the loss of active force in the transmittance process, thereby improved the utilization rate of the active force of scraping the roller boring machine, reduced the cost of processing work piece; Prolonged the service life of contiguous block 26 simultaneously.
To push rod 251 transfer function power, can also piston rod 221 be installed in the center of driving handle 22 for convenience, piston rod 221 promotes push rod 251 and moves forward under the effect of power part.Particularly, power part can be Compressed Gas, and it is acted on the piston that is fixed in piston rod 221, and then just can realize the motion of piston rod 221 and push rod 251; Certainly, power part also can have the parts of suitable active force for other, and to this, this paper does not do any restriction.
Certainly, can also be on driving handle 22 suit taper sheath 29, taper sheath 29 has a larger-diameter end near a scraping body 21, is set with roller device 28 on the taper sheath 29, the roller 281 of roller unit 28 contacts with taper sheath 29.Like this, just can carry out rolling effect, thereby improve crudy the endoporus of work piece.
When boring head cut the endoporus of work piece, roller 281 is motion backward under the effect of frictional force, because taper sheath 29 has a larger-diameter end near a scraping body 21, therefore, this moment, roller 281 can not contact with the sidewall of endoporus, the assurance cut quality; After cutting was finished, during withdrawing, roller 281 travelled forward under the effect of frictional force backward, contacted with the sidewall of endoporus, realized rolling effect.
More than boring head provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. boring head, the floating boring tool (25) that comprises the middle part that is arranged at a scraping body (21), and back-moving spring (253) and push rod (251), the two cooperatively interacts and drives described floating boring tool (25) extending radially out or withdrawing along a scraping body (21), it is characterized in that, also comprise be fixed in a described scraping body (21) leading section fixedly scrape sharpener (23), the described cutting diameter of fixedly scraping the cutting diameter of sharpener (23) less than described floating boring tool (25).
2. boring head according to claim 1 is characterized in that, also comprises guider (24), and described guider (24) is installed on a described scraping body (21), and is positioned at the described rear side of fixedly scraping sharpener (23).
3. boring head according to claim 1 is characterized in that, the described number of fixedly scraping sharpener (23) is two, and is installed on the both sides of the same diameter of a described scraping body (21).
4. according to each described boring head of claim 1 to 3, it is characterized in that, the driving handle of described boring head (22) offers groove, described groove is positioned at the correspondence position of the screw of the holding screw (27) that connects a described scraping body (21) and described driving handle (22), be provided with contiguous block (26) in the described groove, one end of described contiguous block (26) is arranged in described screw, and its other end is arranged in described groove.
5. boring head according to claim 4 is characterized in that described groove has wedge structure.
6. boring head according to claim 4 is characterized in that, described contiguous block (26) is the quenching piece.
7. according to each described boring head of claim 1 to 3, it is characterized in that the center of described driving handle (22) is equipped with piston rod (221), described piston rod (221) promotes described push rod (251) and moves forward under the effect of power part.
8. according to each described boring head of claim 1 to 3, it is characterized in that, be set with taper sheath (29) on the described driving handle (22), described taper sheath (29) has a larger-diameter end near a described scraping body (21), be set with roller device (28) on the described taper sheath (29), the roller (281) of described roller unit (28) contacts with described taper sheath (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202924009U CN201543849U (en) | 2009-12-16 | 2009-12-16 | Boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202924009U CN201543849U (en) | 2009-12-16 | 2009-12-16 | Boring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201543849U true CN201543849U (en) | 2010-08-11 |
Family
ID=42599008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202924009U Expired - Fee Related CN201543849U (en) | 2009-12-16 | 2009-12-16 | Boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201543849U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133653A (en) * | 2010-11-25 | 2011-07-27 | 安伟 | Deep hole boring rolling hydraulic adjustable composite processing device |
| CN102152118A (en) * | 2010-12-29 | 2011-08-17 | 德州普利森机床有限公司 | Automatically expanding and shrinking scraping-rolling combined deep hole cutter |
| CN102528377A (en) * | 2012-01-12 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Rolling head and special dismounting assistive tool thereof |
| CN102581617A (en) * | 2012-03-16 | 2012-07-18 | 德州普利森机床有限公司 | Deep hole machining cutter |
| CN103769634A (en) * | 2014-01-26 | 2014-05-07 | 艾欧特克（江苏）机床有限公司 | Boring cutter for machining stainless steel and high-nickel alloy material |
| CN105234442A (en) * | 2015-11-19 | 2016-01-13 | 湖南特力液压有限公司 | Tool and system used for machining inner hole |
| CN108453288A (en) * | 2018-05-29 | 2018-08-28 | 山东华宇工学院 | Numerical control taper deep hole drilling apparatus and technique |
| CN115673358A (en) * | 2022-11-03 | 2023-02-03 | 上海宁远精密机械股份有限公司 | Annular floating profiling cutting tool |
-
2009
- 2009-12-16 CN CN2009202924009U patent/CN201543849U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133653A (en) * | 2010-11-25 | 2011-07-27 | 安伟 | Deep hole boring rolling hydraulic adjustable composite processing device |
| CN102152118A (en) * | 2010-12-29 | 2011-08-17 | 德州普利森机床有限公司 | Automatically expanding and shrinking scraping-rolling combined deep hole cutter |
| CN102152118B (en) * | 2010-12-29 | 2013-01-23 | 德州普利森机床有限公司 | Automatically expanding and shrinking scraping-rolling combined deep hole cutter |
| CN102528377A (en) * | 2012-01-12 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Rolling head and special dismounting assistive tool thereof |
| CN102581617A (en) * | 2012-03-16 | 2012-07-18 | 德州普利森机床有限公司 | Deep hole machining cutter |
| CN102581617B (en) * | 2012-03-16 | 2013-11-13 | 德州普利森机床有限公司 | Deep hole machining cutter |
| CN103769634A (en) * | 2014-01-26 | 2014-05-07 | 艾欧特克（江苏）机床有限公司 | Boring cutter for machining stainless steel and high-nickel alloy material |
| CN103769634B (en) * | 2014-01-26 | 2017-10-24 | 艾欧特克（江苏）机床有限公司 | For processing stainless steel and the drawing boring cutter of high nickel alloy material |
| CN105234442A (en) * | 2015-11-19 | 2016-01-13 | 湖南特力液压有限公司 | Tool and system used for machining inner hole |
| CN108453288A (en) * | 2018-05-29 | 2018-08-28 | 山东华宇工学院 | Numerical control taper deep hole drilling apparatus and technique |
| CN115673358A (en) * | 2022-11-03 | 2023-02-03 | 上海宁远精密机械股份有限公司 | Annular floating profiling cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Loudi Zhongxing Hydraulic Fittings Co., Ltd. Assignor: Sanyi Heavy Industry Co., Ltd. Contract record no.: 2011430000060 Denomination of utility model: Stepless frequency control power boring head Granted publication date: 20100811 License type: Exclusive License Record date: 20110503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20141216 |
|
| EXPY | Termination of patent right or utility model |