CN202097425U - Screw tap holding device with overload protection - Google Patents
Screw tap holding device with overload protection Download PDFInfo
- Publication number
- CN202097425U CN202097425U CN2011201113738U CN201120111373U CN202097425U CN 202097425 U CN202097425 U CN 202097425U CN 2011201113738 U CN2011201113738 U CN 2011201113738U CN 201120111373 U CN201120111373 U CN 201120111373U CN 202097425 U CN202097425 U CN 202097425U
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- CN
- China
- Prior art keywords
- drive link
- mandrel
- connecting cylinder
- screw tap
- overload protection
- 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.)
- Expired - Fee Related
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Abstract
A screw tap holding device with overload protection comprises a mandrel (1), an adjusting sleeve (3), a connecting tube (4), a transmission bar (5), a locking nut (6), a compression spring I (7), a separator and a disc spring (9), wherein the transmission bar (5) is provided with an inner cavity, the connecting tube (4) is provided with an inner cavity, the mandrel (1) is disposed in the inner cavity of the connecting tube (4) and the inner cavity of the transmission bar (5), the compression spring I (7) is disposed between the mandrel (1) and the transmission bar (5), the separator is disposed between the connecting tube (4) and the transmission bar (5), the connecting tube (4) is separably connected with the mandrel (1), the adjusting sleeve (3) is disposed on the outer side of the transmission bar (5), the adjusting sleeve (3) is connected with the transmission bar (5) in a threaded manner, the locking nut (6) is disposed on the inner side of the adjusting sleeve (3) and is connected with the transmission bar (5) in a threaded manner and in contact connection with the adjusting sleeve (3), and the disc spring (9) is disposed between the adjusting sleeve (3) and the connecting tube (4). Therefore, twisting off of a screw tap is avoided.
Description
One, technical field
The utility model relates to a kind of clamping device with screw tap of overload protection, and especially a kind of adaptation is used to use electric drill to carry out the clamping device of the screw tap of tapping.
Two, background technology
In mechanical processing process, it is an important mechanical processing technique that workpiece is carried out tapping, so screw tap is important machinery knives; Along with the development of Machining Technology, use plant equipment to carry out tapping and be used at large, screw tap is fractureed in order only to put; All used now the clamping device of screw tap with overload protection, but in the clamping device of existing screw tap with overload protection, in order to keep the moment of torsion of clamping device; Need to use special spanner to carry out the clamping of screw tap; Use inconvenience, the accuracy of regulating moment of torsion is not high, and the operation of tapping is dumb; The handle of a knife of existing clamping cylindrical handle of while, the clamping device that drill chuck can't directly be installed screw tap, thereby the scope of application is not extensive.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of the utility model provides a kind of clamping device with screw tap of overload protection, has therefore prevented twisting off screw tap.
For achieving the above object, the technical scheme that the utility model is taked is: include mandrel, regulating sleeve, connecting cylinder, drive link, locking nut, stage clip I, separator and butterfly spring, drive link is provided with inner chamber; Connecting cylinder is provided with inner chamber; Mandrel is arranged in the inner chamber of connecting cylinder and drive link, between mandrel and drive link, is provided with the stage clip I, between connecting cylinder and drive link, is provided with separator; Connecting cylinder is set to connect with mandrel is detachable; Regulating sleeve is arranged on the lateral surface of drive link, and regulating sleeve is set to connect with drive link through screw thread, and the medial surface of regulating sleeve is provided with locking nut; Locking nut is set to connect with drive link and be set to through screw thread connect with the regulating sleeve contact, between regulating sleeve and connecting cylinder, is provided with butterfly spring.
Be connected plant equipment such as drive link and electric drill, be installed to screw tap in the mandrel, rotate the position between regulating sleeve and the drive link, be connected connecting cylinder with mandrel; Connecting cylinder is connected, when using screw tap to carry out tapping, when hour to the moment of torsion of screw tap through separator with drive link; Connecting cylinder and mandrel link together, and do not occur rotation phenomenon between connecting cylinder and the drive link, thereby under plant equipment such as electric drill drive, carry out tapping; When the moment of torsion of screw tap when big, under the effect of separator, rotation phenomenon occurred between connecting cylinder and the drive link; Connecting cylinder and mandrel are no longer linked together, and plant equipment such as electric drill no longer drive screw tap and rotate, and plant equipment such as electric drill only drive drive link and rotate; Owing to designed and included mandrel, regulating sleeve, connecting cylinder, drive link, locking nut, stage clip I, separator and butterfly spring, when to the moment of torsion of screw tap when big, under the separator effect; Drive link is rotated, and mandrel no longer rotates, and has therefore prevented twisting off screw tap.
The utility model has designed, and an end of drive link is provided with connecting axle.
The utility model has designed, and separator is set to clutch, between connecting cylinder and drive link, is provided with clutch.
The utility model has designed; Separator is set to the gear on the end face of gear and connecting cylinder on the end face of an interior end of drive link; In the inner chamber of connecting cylinder, be provided with cross section and be set to polygonal position; Mandrel is provided with the corresponding connecting portion in position with the polygon shape of connecting cylinder, and the cross section of mandrel is that polygonal position is set to connect with the corresponding polygonal position of connecting cylinder slidingtype, and connecting cylinder is set to connect through face gear with drive link.
The utility model has designed, and the polygonal position of connecting cylinder is set to hexagonal position.
The utility model has designed, and the tooth depth of the face gear of drive link is set to the width greater than the polygonal connecting portion of mandrel and connecting cylinder.
The utility model has designed; Also include wire taper sleeve, stage clip II and steel ball; Mandrel is set to stretch out regulating sleeve and is provided with inner chamber at external part, and wire taper sleeve is in the inner chamber of mandrel and be set to connect with the mandrel plug-in type through steel ball, between wire taper sleeve and mandrel, is provided with the stage clip II.
Four, description of drawings
Fig. 1 is the sketch map of the utility model.
Five, the specific embodiment
Accompanying drawing is an embodiment of the utility model, specifies present embodiment in conjunction with accompanying drawing, includes mandrel 1, wire taper sleeve 2, regulating sleeve 3, connecting cylinder 4, drive link 5, locking nut 6, stage clip I 7, stage clip II 8, butterfly spring 9 and steel ball 10; Drive link 5 is provided with inner chamber; The end face that one end of drive link 5 is provided with connecting axle 51, the other end is provided with gear, and connecting cylinder 4 is provided with inner chamber, and an end face of connecting cylinder 4 is provided with gear; In the inner chamber of connecting cylinder 4, be provided with cross section and be set to hexagonal position; Mandrel 1 is provided with the corresponding connecting portion in hexagonal position with connecting cylinder 4, and mandrel 1 is arranged in the inner chamber of drive link 5, between mandrel 1 and drive link 5, is provided with stage clip I 7; Connecting cylinder 4 is set to connect through face gear with drive link 5; Mandrel 1 is set to connect with connecting cylinder 4 slidingtypes through its hexagonal position, and regulating sleeve 3 is arranged on the lateral surface of drive link 5, and regulating sleeve 3 is set to connect with drive link 5 through screw thread; The medial surface of regulating sleeve 3 is provided with locking nut 6; Locking nut 6 is set to connect with drive link 5 and be set to through screw thread connect with regulating sleeve 3 contacts, between regulating sleeve 3 and connecting cylinder 4, is provided with butterfly spring 9, and mandrel 1 is set to stretch out regulating sleeve 3 and is provided with inner chamber at external part; Wire taper sleeve 2 is in the inner chamber of mandrel 1 and be set to connect with mandrel 1 plug-in type through steel ball 10, between wire taper sleeve 2 and mandrel 1, is provided with stage clip II 8.
In the present embodiment, the tooth depth of the face gear of drive link 5 is set to greater than the width of mandrel 1 with the hexagonal connecting portion of connecting cylinder 4.
Be connected plant equipment such as drive link 5 and electric drill, be installed to screw tap in the wire taper sleeve 2, rotate the position between regulating sleeve 3 and the drive link 5; Be connected with mandrel 1 connecting cylinder 4 at its hexagonal position, connecting cylinder 4 and drive link 5 connected, when using screw tap to carry out tapping through gear; When to the moment of torsion of screw tap hour, connecting cylinder 4 links together through hexagonal position with mandrel 1, rotation phenomenon do not occur between connecting cylinder 4 and the drive link 5; Thereby, plant equipment such as electric drill carry out tapping under driving; When the moment of torsion of screw tap when big, rotation phenomenon occurred between connecting cylinder 4 and the drive link 5, connecting cylinder 4 and mandrel 1 are no longer linked together at hexagonal position; Plant equipment such as electric drill no longer drive screw tap and rotate, and plant equipment such as electric drill only drive drive link 5 and rotate.
In second embodiment of the utility model, between connecting cylinder 4 and drive link 5, be provided with clutch.When to the moment of torsion of screw tap during, rotate mandrel 1 is no longer rotated thereby drive link 5 no longer drives connecting cylinder 4 greater than the inside moment of torsion of clutch.
My company is the specialized factory that produces machine tool accessories, has a collection of high accuracy mechanical process equipment, and in the manufacturing machine parts, machining accuracy is very high; But in carrying out tapping procedures,, make the quality of silk of tapping also different because operators'skills height is different; Thereby influenced the quality of mechanical part, in order to change this phenomenon, we have used electric drill to carry out tapping; Twist off phenomenon but screw tap often occurs, we have designed the technical scheme of the utility model, are slidingly connected through the face gear of connecting cylinder 4 and drive link 5 and the polygon of mandrel 1 and connecting cylinder 4; Realized overload protection, under the effect of spring, the protection effect is fine simultaneously.
The characteristics of the utlity model has down:
1, owing to designed and included mandrel 1, regulating sleeve 3, connecting cylinder 4, drive link 5, locking nut 6, stage clip I 7, separator and butterfly spring 9; When to the moment of torsion of screw tap when big; Under the separator effect; Drive link 5 is rotated, and mandrel 1 no longer rotates, and has therefore prevented twisting off screw tap.
2, be provided with connecting axle 51 owing to designed an end of drive link 5, made things convenient for clamping, therefore can use on the chuck at electric hand drill, pneumatic brill, radial drilling machine, lathe and machining center, the scope of application is big.
3, owing to designed stage clip I 7, has the protective effect of moving axially.
4, owing to designed regulating sleeve 3 and locking nut 6, can directly use, thereby the clamping degree of regulating screw tap changes the moment of torsion to screw tap, uses more convenient in hand rotation.
5, owing to designed wire taper sleeve 2, stage clip II 8 and steel ball 10, make things convenient for the installation of screw tap, under the effect of stage clip II 8, screw tap has been played overload protection once more.
In the clamping device technical field of screw tap with overload protection; Every drive link 5 that includes is provided with inner chamber; Connecting cylinder 4 is provided with inner chamber; Mandrel 1 is arranged in the inner chamber of connecting cylinder 4 and drive link 5, between mandrel 1 and drive link 5, is provided with stage clip I 7, between connecting cylinder 4 and drive link 5, is provided with separator; Connecting cylinder 4 is set to and 1 detachable connection of mandrel; Regulating sleeve 3 is arranged on the lateral surface of drive link 5, and regulating sleeve 3 is set to connect with drive link 5 through screw thread, and the medial surface of regulating sleeve 3 is provided with locking nut 6; Locking nut 6 is set to connect with drive link 5 and be set to through screw thread connect with regulating sleeve 3 contacts, at the technology contents that is provided with butterfly spring 9 between regulating sleeve 3 and the connecting cylinder 4 all in the protection domain at the utility model.
Claims (7)
1. clamping device with screw tap of overload protection; It is characterized in that: include mandrel (1), regulating sleeve (3), connecting cylinder (4), drive link (5), locking nut (6), stage clip I (7), separator and butterfly spring (9); Drive link (5) is provided with inner chamber; Connecting cylinder (4) is provided with inner chamber; Mandrel (1) is arranged in the inner chamber of connecting cylinder (4) and drive link (5); Between mandrel (1) and drive link (5), be provided with stage clip I (7); Between connecting cylinder (4) and drive link (5), be provided with separator, connecting cylinder (4) is set to and detachable connection of mandrel (1), and regulating sleeve (3) is arranged on the lateral surface of drive link (5); Regulating sleeve (3) is set to connect with drive link (5) through screw thread; The medial surface of regulating sleeve (3) is provided with locking nut (6), and locking nut (6) is set to connect with drive link (5) and be set to through screw thread connect with regulating sleeve (3) contact, between regulating sleeve (3) and connecting cylinder (4), is provided with butterfly spring (9).
2. the clamping device with screw tap of overload protection according to claim 1; It is characterized in that: an end of drive link (5) is provided with connecting axle (51).
3. the clamping device with screw tap of overload protection according to claim 1; It is characterized in that: separator is set to clutch, between connecting cylinder (4) and drive link (5), is provided with clutch.
4. the clamping device with screw tap of overload protection according to claim 1; It is characterized in that: separator is set to the gear on the end face of gear and connecting cylinder (4) on the end face of an interior end of drive link (5); In the inner chamber of connecting cylinder (4), be provided with cross section and be set to polygonal position; Mandrel (1) is provided with the corresponding connecting portion in polygonal position with connecting cylinder (4); The cross section of mandrel (1) is that polygonal position is set to connect with the corresponding polygonal position of connecting cylinder (4) slidingtype, and connecting cylinder (4) is set to connect through face gear with drive link (5).
5. the clamping device with screw tap of overload protection according to claim 4; It is characterized in that: the tooth depth of the face gear of drive link (5) is set to greater than the width of mandrel (1) with the polygonal connecting portion of connecting cylinder (4).
6. the clamping device with screw tap of overload protection according to claim 4; It is characterized in that: the polygonal position of connecting cylinder (4) is set to hexagonal position.
7. according to claim 1,2,3 or 4 described clamping devices with screw tap of overload protection; It is characterized in that: also include wire taper sleeve (2), stage clip II (8) and steel ball (10); Mandrel (1) is set to stretch out regulating sleeve (3) and is provided with inner chamber at external part; Wire taper sleeve (2) is in the inner chamber of mandrel (1) and be set to connect with mandrel (1) plug-in type through steel ball (10), between wire taper sleeve (2) and mandrel (1), is provided with stage clip II (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201113738U CN202097425U (en) | 2011-04-15 | 2011-04-15 | Screw tap holding device with overload protection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201113738U CN202097425U (en) | 2011-04-15 | 2011-04-15 | Screw tap holding device with overload protection |
Publications (1)
Publication Number | Publication Date |
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CN202097425U true CN202097425U (en) | 2012-01-04 |
Family
ID=45383458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011201113738U Expired - Fee Related CN202097425U (en) | 2011-04-15 | 2011-04-15 | Screw tap holding device with overload protection |
Country Status (1)
Country | Link |
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CN (1) | CN202097425U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102166674A (en) * | 2011-04-15 | 2011-08-31 | 山东泰丰宝源数控机床附件有限公司 | Clamping device with overload protection screw tap |
CN102922062A (en) * | 2012-11-21 | 2013-02-13 | 铜陵市永生机电制造有限责任公司 | Screw tap provided with flexible dop |
-
2011
- 2011-04-15 CN CN2011201113738U patent/CN202097425U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102166674A (en) * | 2011-04-15 | 2011-08-31 | 山东泰丰宝源数控机床附件有限公司 | Clamping device with overload protection screw tap |
CN102922062A (en) * | 2012-11-21 | 2013-02-13 | 铜陵市永生机电制造有限责任公司 | Screw tap provided with flexible dop |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20130415 |