CN104439346A - Floating clamp for boring cutter bar - Google Patents
Floating clamp for boring cutter bar Download PDFInfo
- Publication number
- CN104439346A CN104439346A CN201410740748.5A CN201410740748A CN104439346A CN 104439346 A CN104439346 A CN 104439346A CN 201410740748 A CN201410740748 A CN 201410740748A CN 104439346 A CN104439346 A CN 104439346A
- Authority
- CN
- China
- Prior art keywords
- groove
- caudal peduncle
- boring cutter
- joint
- cutter bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/02—Boring bars
- B23B29/025—Boring toolholders fixed on the boring bar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a floating clamp for a boring cutter bar. The floating clamp comprises a connecting sleeve, screws, a nut, a nut cap, a connector, a tail handle, a limiting sleeve and a steel ball which are axially arranged in sequence from bottom to top, wherein a main shaft is connected and fixed to the upper end of the tail handle; a groove is formed in the center of the lower end of the tail handle; the limiting sleeve is connected to the upper end of the groove and clamps the steel ball to the upper end of the groove; a clamping head matched with the lower end of the groove is arranged at the upper end of the connector; the connector is clamped and fixed at the lower end of the groove through the clamping head; a gap is formed between the upper end surface of the connector and the lower end surface of the tail handle; a plurality of radially raised teeth are arranged at the lower end of the connector; tooth grooves in clearance fit with the teeth are formed in the inner side of the upper end of the connecting sleeve; an outer thread is formed in the outer side of the upper end of the connecting sleeve; the connecting sleeve sleeves the boring cutter bar and is locked through the screws on the side wall and in threaded connection with the lower end of the nut cap. The floating clamp is simple in structure and easy to operate; the micro-floating in a boring cutter processing process can be realized, so that a hole with high size precision and a smooth surface can be bored during boring of a boring cutter and the hole processing quality can be improved.
Description
Technical field
The present invention relates to synchronized processing technique field, be specifically related to a kind of boring cutter bar floating clamp.
Background technology
Boring cutter is the one of cutting tool for boring, and be generally circle handle, also have larger workpiece user knife bar, the most frequently used occasion is exactly interior hole machined, reaming, profiling etc.There is one or two cutting tip, be specifically designed to and roughing, semifinishing or accurately machined cutter are carried out to existing hole.Boring cutter can use on boring machine, lathe or milling machine.
Because of the difference of installation way, the various ways such as the side of having of portion handle, Morse taper shank and 7:24 taper shank.The cutter tooth that double-blade boring cutter has two to be distributed in both sides, center and to cut simultaneously, because the radial load produced when cutting balances mutually, can strengthen cutting data, production efficiency is high.In time carrying out the fine finishining in hole, the knife bar of common boring cutter and machine tool chief axis axial restraint, boring cutter and machine tool chief axis are fixed, and boring can not go out the hole of the high and any surface finish of dimensional accuracy, affect the machining accuracy in hole.
Summary of the invention
The invention is intended to provide a kind of boring cutter bar floating clamp, to realize the hole that boring in boring cutter process goes out dimensional accuracy height and any surface finish.
Boring cutter bar floating clamp in this programme, comprises the female connector, screw, nut, nut cap, joint, caudal peduncle, stop collar and the steel ball that are provided with successively vertically from bottom to top, caudal peduncle upper end and main shaft are connected and fixed, caudal peduncle lower center is groove, stop collar is connected to groove upper end and steel ball is stuck in groove upper end, upper end of joint is the dop mated with groove lower end, joint is fixed in groove lower end by dop, gap is provided with between upper end of joint face and caudal peduncle lower surface, joint lower end is provided with multiple radially protruding tooth, the teeth groove coordinated with backlash is provided with inside female connector upper end, female connector is provided with external screw thread outside upper end, female connector socket boring cutter bar by the screw lock on sidewall, nut cap lower end is threaded with female connector, nut cap upper end is enclosed within joint, outside caudal peduncle, nut is connected to female connector external screw thread place and is positioned at below nut cap.
The advantage of this programme is: comprise the female connector, screw, nut, nut cap, joint, caudal peduncle, stop collar and the steel ball that are provided with successively vertically from bottom to top, caudal peduncle upper end and main shaft are connected and fixed, caudal peduncle lower center is groove, stop collar is connected to groove upper end and steel ball is stuck in groove upper end, upper end of joint is the dop mated with groove lower end, joint is fixed in groove lower end by dop, the dop of joint is pushed against by steel ball, dop and groove are clamped, thus pass through friction and synchronous axial system, thus the moment of torsion of machine tool chief axis is delivered to joint by caudal peduncle, gap is provided with between upper end of joint face and caudal peduncle lower surface, joint lower end is provided with multiple radially protruding tooth, the teeth groove coordinated with backlash is provided with inside female connector upper end, can be slided between female connector and joint simultaneously synchronous axial system again, female connector is provided with external screw thread outside upper end, female connector socket boring cutter bar by the screw lock on sidewall, nut cap lower end is threaded with female connector, nut cap upper end is enclosed within joint, outside caudal peduncle, by turn nut cap to appropriate location, nut cap can be ensured, female connector is at joint, flying height on caudal peduncle, nut is connected to female connector external screw thread place and is positioned at below nut cap, caudal peduncle lower end radial protrusion limited location boss, boring cutter bar is with female connector, nut cap trace on joint and caudal peduncle floats.
This programme structure is simple, processing ease, and the trace that can realize in boring cutter process floats, thus realizes the hole that boring cutter boring when bore hole goes out dimensional accuracy height and any surface finish, improves the crudy in hole.
Further, also comprise adapter sleeve, adapter sleeve is connected by pin with machine tool chief axis, and adapter sleeve and caudal peduncle upper end are by being connected, and be provided with external screw thread outside caudal peduncle, adapter sleeve lower end is provided with the internal thread mated with external screw thread outside caudal peduncle.
Further, also comprise cushion block, cushion block, between groove top and steel ball, can make steel ball push against joint dop by cushion block, thus makes caudal peduncle transfer torque to joint by the dop friction of groove and joint.
Further, the screw thread on nut is Tang thread, when making nut push against nut cap, has good anti-loosing effect.
Further, adapter sleeve sidewall is provided with screwed hole, caudal peduncle is provided with draw-in groove with screwed hole corresponding position, connects lock-screw in screwed hole, and lock-screw extend in draw-in groove and can prevent caudal peduncle and adapter sleeve from relatively rotating.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: female connector 1, screw 2, nut 3, nut cap 4, joint 5, caudal peduncle 6, stop collar 7, steel ball 8, cushion block 9.
Embodiment one is substantially as shown in Figure 1: boring cutter bar floating clamp comprises the female connector 1, screw 2, nut 3, nut cap 4, joint 5, caudal peduncle 6, stop collar 7 and the steel ball 8 that are provided with successively vertically from bottom to top, also comprise adapter sleeve, adapter sleeve is connected by pin with machine tool chief axis, adapter sleeve and caudal peduncle upper end are by being connected, external screw thread is provided with outside caudal peduncle, adapter sleeve lower end is provided with the internal thread mated with external screw thread outside caudal peduncle, adapter sleeve sidewall is provided with screwed hole, caudal peduncle is provided with draw-in groove with screwed hole corresponding position, lock-screw is connected in screwed hole, lock-screw extend in draw-in groove and can prevent caudal peduncle and adapter sleeve from relatively rotating, caudal peduncle upper end and main shaft are connected and fixed, caudal peduncle lower center is groove, stop collar is connected to groove upper end and steel ball is stuck in groove upper end, upper end of joint is the dop mated with groove lower end, joint is fixed in groove lower end by dop, also comprise cushion block 9, cushion block is between groove top and steel ball, steel ball can be made to push against joint dop by cushion block, thus make caudal peduncle transfer torque to joint by the dop friction of groove and joint, the dop of joint is pushed against by steel ball, dop and groove are clamped, thus pass through friction and synchronous axial system, thus the moment of torsion of machine tool chief axis is delivered to joint by caudal peduncle, gap is provided with between upper end of joint face and caudal peduncle lower surface, joint lower end is provided with multiple radially protruding tooth, the teeth groove coordinated with backlash is provided with inside female connector upper end, can be slided between female connector and joint simultaneously synchronous axial system again, female connector is provided with external screw thread outside upper end, female connector socket boring cutter bar by the screw lock on sidewall, nut cap lower end is threaded with female connector, nut cap upper end is enclosed within joint, outside caudal peduncle, by turn nut cap to appropriate location, nut cap can be ensured, female connector is at joint, flying height on caudal peduncle, nut is connected to female connector external screw thread place and is positioned at below nut cap, screw thread on nut is Tang thread, when making nut push against nut cap, there is good anti-loosing effect, caudal peduncle lower end radial protrusion limited location boss, boring cutter bar is with female connector, nut cap trace on joint and caudal peduncle floats.
This programme structure is simple, processing ease, and the trace that can realize in boring cutter process floats, thus realizes the hole that boring cutter boring when bore hole goes out dimensional accuracy height and any surface finish, improves the crudy in hole.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect the practicality of effect of the invention process and invention.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (5)
1. boring cutter bar floating clamp, is characterized in that: comprise the female connector, screw, nut, nut cap, joint, caudal peduncle, stop collar and the steel ball that are provided with successively vertically from bottom to top, caudal peduncle upper end and main shaft are connected and fixed, caudal peduncle lower center is groove, stop collar is connected to groove upper end and steel ball is stuck in groove upper end, upper end of joint is the dop mated with groove lower end, joint is fixed in groove lower end by dop, gap is provided with between upper end of joint face and caudal peduncle lower surface, joint lower end is provided with multiple radially protruding tooth, the teeth groove coordinated with backlash is provided with inside female connector upper end, female connector is provided with external screw thread outside upper end, female connector socket boring cutter bar by the screw lock on sidewall, nut cap lower end is threaded with female connector, nut cap upper end is enclosed within joint, outside caudal peduncle, nut is connected to female connector external screw thread place and is positioned at below nut cap, caudal peduncle lower end radial protrusion limited location boss.
2. boring cutter bar floating clamp according to claim 1, it is characterized in that: also comprise adapter sleeve, adapter sleeve is connected by pin with machine tool chief axis, and adapter sleeve and caudal peduncle upper end are by being connected, be provided with external screw thread outside caudal peduncle, adapter sleeve lower end is provided with the internal thread mated with external screw thread outside caudal peduncle.
3. boring cutter bar floating clamp according to claim 2, it is characterized in that: also comprise cushion block, cushion block is between groove top and steel ball.
4. boring cutter bar floating clamp according to claim 3, is characterized in that: the screw thread on nut is Tang thread.
5. boring cutter bar floating clamp according to claim 4, is characterized in that: adapter sleeve sidewall is provided with screwed hole, and caudal peduncle is provided with draw-in groove with screwed hole corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740748.5A CN104439346B (en) | 2014-12-09 | 2014-12-09 | Boring cutter bar floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740748.5A CN104439346B (en) | 2014-12-09 | 2014-12-09 | Boring cutter bar floating clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104439346A true CN104439346A (en) | 2015-03-25 |
| CN104439346B CN104439346B (en) | 2019-04-30 |
Family
ID=52886533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740748.5A Expired - Fee Related CN104439346B (en) | 2014-12-09 | 2014-12-09 | Boring cutter bar floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439346B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855578A (en) * | 2016-06-28 | 2016-08-17 | 常州信息职业技术学院 | Combined boring rod device convenient to adjust |
| CN106001687A (en) * | 2016-06-07 | 2016-10-12 | 常州信息职业技术学院 | Boring bar device for deep hole processing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4547101A (en) * | 1983-09-20 | 1985-10-15 | Dowdakin Sr William J | Self-aligning tool holder |
| CN1310788A (en) * | 1998-08-03 | 2001-08-29 | 阿斩莫有限公司 | Clutch and drive device having the clutch |
| CN202264105U (en) * | 2011-09-29 | 2012-06-06 | 浙江恒强针车集团有限公司 | Floating quick-change connector for radial plane |
| CN203343462U (en) * | 2013-05-29 | 2013-12-18 | 重庆普什机械有限责任公司 | Floating boring head |
| CN204366079U (en) * | 2014-12-09 | 2015-06-03 | 重庆三贵机械制造有限公司 | Boring cutter bar floating clamp |
-
2014
- 2014-12-09 CN CN201410740748.5A patent/CN104439346B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4547101A (en) * | 1983-09-20 | 1985-10-15 | Dowdakin Sr William J | Self-aligning tool holder |
| CN1310788A (en) * | 1998-08-03 | 2001-08-29 | 阿斩莫有限公司 | Clutch and drive device having the clutch |
| CN202264105U (en) * | 2011-09-29 | 2012-06-06 | 浙江恒强针车集团有限公司 | Floating quick-change connector for radial plane |
| CN203343462U (en) * | 2013-05-29 | 2013-12-18 | 重庆普什机械有限责任公司 | Floating boring head |
| CN204366079U (en) * | 2014-12-09 | 2015-06-03 | 重庆三贵机械制造有限公司 | Boring cutter bar floating clamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001687A (en) * | 2016-06-07 | 2016-10-12 | 常州信息职业技术学院 | Boring bar device for deep hole processing |
| CN106001687B (en) * | 2016-06-07 | 2017-12-08 | 常州信息职业技术学院 | A kind of boring bar device for deep hole machining |
| CN105855578A (en) * | 2016-06-28 | 2016-08-17 | 常州信息职业技术学院 | Combined boring rod device convenient to adjust |
| CN105855578B (en) * | 2016-06-28 | 2017-12-15 | 常州信息职业技术学院 | A kind of combination boring bar device being conveniently adjusted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104439346B (en) | 2019-04-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 Termination date: 20191209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |