CN105478927A - Nut tapping machine - Google Patents
Nut tapping machine Download PDFInfo
- Publication number
- CN105478927A CN105478927A CN201610025860.XA CN201610025860A CN105478927A CN 105478927 A CN105478927 A CN 105478927A CN 201610025860 A CN201610025860 A CN 201610025860A CN 105478927 A CN105478927 A CN 105478927A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- chuck
- blanking
- screw tap
- nut
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/18—Machines with one working spindle
- B23G1/185—Machines with one working spindle specially adapted for making nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a nut tapping machine which comprises an automatic semi-product discharging mechanism, a pushing mechanism and a tapping mechanism. The nut tapping machine is characterized in that the pushing mechanism comprises a pushing sliding block pushed by a hydraulic cylinder; a blanking positioning cavity is formed in the pushing sliding block; a left overturning stop block and a right overturning stop block are arranged on the front portion of the blanking positioning cavity; a window hole allowing a screw tap to pass is reserved between the left overturning stop block and the right overturning stop block; the tapping mechanism comprises a rotating main shaft, a chuck, a rear blocking cover, the screw tap and a guide rod; the chuck is fixedly connected to the rear end of the rotating main shaft; a clamping groove is formed in the chuck; the guide rod movably penetrates a center hole of the rotating main shaft; the front rod end of the guide rod is fixedly connected with a tail handle of the screw tap; the rear rod end of the guide rod is bent by an angle smaller than 90 degrees and then passes the clamping groove; the guide rod can axially move; the backward moving distance of the guide rod is limited by the rear blocking cover; and the rear blocking cover is fixedly installed at the position away from the outer end face of the chuck by a certain distance. According to the nut tapping machine, automatic tapping machining of an outer hexagon nut can be achieved, the structure is simple, and production efficiency is high.
Description
Technical field
The present invention relates to a kind of tapper for outer-hexagonal nut self-tapping processing.
Background technology
Outer-hexagonal nut needs the tapping processing carrying out screwed hole after profile and endoporus are made in upsetting, tapping processing needs to carry out the clamping of workpiece, screw tap feed, screw tap withdrawing and workpiece and the course of action such as to unclamp, so the structure of equipment can be quite complicated, production efficiency is not high yet.
Summary of the invention
In view of current known technology Problems existing, the technical problem to be solved in the present invention is to provide a kind of self-tapping processing realizing outer-hexagonal nut, and structure is simple, the tapper that production efficiency is high.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
Tapper, comprise semi-finished product automatic material blanking mechanism, pusher and tapper mechanism, it is characterized in that: pusher comprises the pusher slide block by Hydraulic Cylinder, pusher slide block is provided with blanking positioning chamber, blanking positioning chamber is aimed at the blanking conduit outlet of semi-finished product automatic material blanking mechanism when blanking position, the front portion of blanking positioning chamber is provided with left and right upset block, left and right upset block can outwards be opened, left and right upset block is resetted by spring after outwards opening, and leaves the fenestra allowing screw tap pass through between left and right upset block, tapper mechanism comprises rotary main shaft, chuck, rear door, screw tap and guide rod, chuck is fixedly connected on the rear end of rotary main shaft, chuck is provided with draw-in groove, draw-in groove width is greater than the excircle dimension that institute's tapping nut outer-hexagonal is formed, guide rod passes from the centre bore activity of rotary main shaft, the excircle dimension that the aperture of centre bore and institute's tapping nut outer-hexagonal are formed matches, the front rod end of guide rod is fixedly connected with the caudal peduncle of screw tap, the endoporus aperture of guide rod external diameter and institute's tapping nut matches, the rear rod end of guide rod carries out being less than after the bending of 90 degree by described draw-in groove, guide rod can move axially, the distance of guide rod movement is backward limited to described rear door, rear door is leaving the position fixed installation of chuck outer face certain distance.
After adopting technique scheme, the tapping process that the present invention realizes is: semi-finished product automatic material blanking mechanism carries out automatic blanking, when blanking position, the blanking positioning chamber that pusher slide block is provided with just in time is aimed at the blanking conduit outlet of cutting agency, so one of blanking conduit outlet bottommost treat tapping nut fall into blanking positioning chamber (blanking positioning chamber have to mate with nut outer-hexagonal in hexagon, so nut can automatically be located after entering blanking positioning chamber, add in tapping and there will not be rotation man-hour), then, Hydraulic Cylinder pusher slide block moves to screw tap direction, when nut has just started against screw tap, screw tap retreats and drives guide rod to move backward until guide rod tail end contacts with rear door, at this moment screw tap starts feed and carries out tapping (rotation of screw tap is driven by guide rod, the rotation of guide rod is driven by chuck, the rotation of chuck is driven by rotary main shaft), when the conehead part of screw tap is all through nut inner hole, the threaded hole of nut completes, nut can enter on the caudal peduncle of screw tap, Hydraulic Cylinder pusher slide block moves to the direction away from screw tap subsequently, now left and right upset block is outwards opened, nut departs from blanking positioning chamber, in detach procedure, screw tap is drawn forward dynamic, so reserve certain interval between guide rod tail end and rear door, at this moment the nut machined near the tapping of guide rod tail end can deviate from guide rod through draw-in groove and above-mentioned gap, then from discharging opening out, and when pusher slide block gets back to original position, the blanking positioning chamber that pusher slide block is provided with just in time is aimed at the blanking conduit outlet of cutting agency again, so one of blanking conduit outlet bottommost is treated that tapping nut can fall into blanking positioning chamber again, circulate according to this, realize the self-tapping processing of outer-hexagonal nut.Because above-mentioned whole process workpiece does not need clamping, and screw tap does not need to carry out tool backlash movement, and therefore not only structure is simple, and production efficiency is high.
Accompanying drawing explanation
The present invention has following accompanying drawing:
Fig. 1 is the principle assumption diagram (overlooking direction) of tapper,
Fig. 2 is the structure chart of tapping processing,
Structure chart when Fig. 3 is nut disengaging blanking positioning chamber,
Fig. 4 is the A direction view of Fig. 3.
Detailed description of the invention
Drawings illustrate technical scheme of the present invention, further describe each details and the operation principle thereof of embodiment below more by reference to the accompanying drawings:
As shown in the figure, tapper of the present invention, comprise semi-finished product automatic material blanking mechanism 4, pusher and tapper mechanism, semi-finished product automatic material blanking mechanism 4 is fixed at the top of pusher, pusher comprises the pusher slide block 2 promoted by hydraulic cylinder 1, pusher slide block 2 is provided with blanking positioning chamber 3, blanking positioning chamber 3 have to mate with institute nut processing 100 outer-hexagonal in hexagon, blanking positioning chamber 3 exports with the blanking conduit 41 of semi-finished product automatic material blanking mechanism 4 when blanking position and aims at, the front portion of blanking positioning chamber 3 is provided with left and right upset block 5, left and right upset block 5 can outwards be opened, left and right upset block 5 is resetted by spring 7 after outwards opening, the fenestra 6 allowing screw tap 8 pass through is left between left and right upset block 5, tapper mechanism comprises rotary main shaft 10, chuck 11, rear door 12, screw tap 8 and guide rod 9, rotary main shaft 10 is rotated by power drive, chuck 11 is fixedly connected on the rear end of rotary main shaft 10, chuck 11 is provided with draw-in groove 13, draw-in groove 13 width is greater than the excircle dimension that institute's tapping nut 100 outer-hexagonal is formed, guide rod 9 passes from centre bore 15 activity of rotary main shaft 10, the excircle dimension that the aperture of centre bore 15 and institute's tapping nut 100 outer-hexagonal are formed matches, be fixed together after the front rod end of guide rod 9 welds with the caudal peduncle of screw tap 8, the endoporus aperture of guide rod 9 external diameter and institute's tapping nut 100 matches, the rear rod end 91 of guide rod 9 carries out being less than after the bending of 90 degree by described draw-in groove 13, guide rod 9 can move axially, the distance of guide rod 9 movement is backward limited to described rear door 12, rear door 12 is leaving the position fixed installation of chuck 11 outer face certain distance.
Tapping process of the present invention is: semi-finished product automatic material blanking mechanism 4 carries out automatic blanking, when blanking position, the blanking positioning chamber 3 that pusher slide block 2 is provided with just in time exports with the blanking conduit 41 of cutting agency 4 and aims at, so blanking conduit 41 exports of bottommost and treats that tapping nut falls into blanking positioning chamber 3 and automatically located, then, hydraulic cylinder 1 promotes pusher slide block 2 and moves to screw tap 8 direction, when nut 100 just starts against screw tap 8, screw tap 8 retreats and drives guide rod 9 to move backward until rod end 91 contacts with rear door 12 after guide rod, at this moment screw tap 8 starts feed and carries out tapping (rotation of screw tap 8 is driven by guide rod 9, the rotation of guide rod 9 is driven by chuck 11, the rotation of chuck 11 is driven by rotary main shaft 10), when the conehead part of screw tap 8 is all through nut 100 endoporus, the threaded hole of nut completes, nut can enter on the caudal peduncle of screw tap 8, hydraulic cylinder 1 promotes pusher slide block 2 and moves to the direction away from screw tap 8 subsequently, under the effect of the nut now on screw tap caudal peduncle, left and right upset block 5 is outwards opened, nut 100 departs from blanking positioning chamber 3, in detach procedure, screw tap 8 is drawn forward dynamic, so reserve maximum gap between rod end 91 and rear door 12 after guide rod, at this moment the nut 100 machined near the tapping of rod end after guide rod can be deviate from guide rod 9(when guide rod top nut through draw-in groove 13 and above-mentioned gap and be accumulated to some, nut in front can extrude the nut promoting back makes nut backmost depart from guide rod), the nut 100 deviating from guide rod 9 is out collected from discharging opening 14, and when pusher slide block 2 gets back to original position, the blanking positioning chamber 3 that pusher slide block 2 is provided with just in time exports with the blanking conduit 41 of cutting agency again and aims at, so blanking conduit 41 exports of bottommost and treats that tapping nut can fall into blanking positioning chamber 3 again, circulate according to this, realize the self-tapping processing of outer-hexagonal nut.
Claims (1)
1. tapper, comprise semi-finished product automatic material blanking mechanism, pusher and tapper mechanism, it is characterized in that: pusher comprises the pusher slide block by Hydraulic Cylinder, pusher slide block is provided with blanking positioning chamber, blanking positioning chamber is aimed at the blanking conduit outlet of semi-finished product automatic material blanking mechanism when blanking position, the front portion of blanking positioning chamber is provided with left and right upset block, left and right upset block can outwards be opened, left and right upset block is resetted by spring after outwards opening, and leaves the fenestra allowing screw tap pass through between left and right upset block, tapper mechanism comprises rotary main shaft, chuck, rear door, screw tap and guide rod, chuck is fixedly connected on the rear end of rotary main shaft, chuck is provided with draw-in groove, draw-in groove width is greater than the excircle dimension that institute's tapping nut outer-hexagonal is formed, guide rod passes from the centre bore activity of rotary main shaft, the excircle dimension that the aperture of centre bore and institute's tapping nut outer-hexagonal are formed matches, the front rod end of guide rod is fixedly connected with the caudal peduncle of screw tap, the endoporus aperture of guide rod external diameter and institute's tapping nut matches, the rear rod end of guide rod carries out being less than after the bending of 90 degree by described draw-in groove, guide rod can move axially, the distance of guide rod movement is backward limited to described rear door, rear door is leaving the position fixed installation of chuck outer face certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025860.XA CN105478927A (en) | 2016-01-15 | 2016-01-15 | Nut tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025860.XA CN105478927A (en) | 2016-01-15 | 2016-01-15 | Nut tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105478927A true CN105478927A (en) | 2016-04-13 |
Family
ID=55666390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025860.XA Pending CN105478927A (en) | 2016-01-15 | 2016-01-15 | Nut tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105478927A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424979A (en) * | 2016-12-22 | 2017-02-22 | 海盐宇星螺帽有限责任公司 | High-stability nut tapping machine |
| IT201600115121A1 (en) * | 2016-11-15 | 2018-05-15 | Nippon Tapper Co Ltd | Centering device applicable on means for tapping metal nuts |
| CN108465886A (en) * | 2018-03-08 | 2018-08-31 | 西安交通大学 | The full-automatic vibration cold extrusion plastic forming device and technique of medium-small diameter internal thread |
| CN110039130A (en) * | 2019-06-05 | 2019-07-23 | 海盐三马标准件有限公司 | A kind of hexagonal flange nut tapping device |
| CN112548236A (en) * | 2020-12-16 | 2021-03-26 | 潘丕林 | Tapping machine |
| CN116967541A (en) * | 2023-09-21 | 2023-10-31 | 常州润来科技有限公司 | Copper pipe internal thread machining device and machining method thereof |
| CN117754059A (en) * | 2024-02-02 | 2024-03-26 | 邢台闽都实业有限公司 | Tapping device for nut production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010002291A (en) * | 1999-06-14 | 2001-01-15 | 진삼하 | A nut tapping system |
| JP2006289581A (en) * | 2005-04-13 | 2006-10-26 | Ns Bolten:Kk | Tapping device |
| CN101883653A (en) * | 2007-10-31 | 2010-11-10 | 晋三夏 | Tapping shank and nut tapping apparatus which used this |
| CN201856010U (en) * | 2010-11-05 | 2011-06-08 | 东风汽车零部件(集团)有限公司 | Bidirectional guiding and automatic tapping device for flange nut |
| CN103386518A (en) * | 2013-08-07 | 2013-11-13 | 上海永太汽车零部件厂 | Tapping device for nut manufacturing |
| CN205464635U (en) * | 2016-01-15 | 2016-08-17 | 瑞安市威孚标准件有限公司 | Nut tapping machine |
-
2016
- 2016-01-15 CN CN201610025860.XA patent/CN105478927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010002291A (en) * | 1999-06-14 | 2001-01-15 | 진삼하 | A nut tapping system |
| JP2006289581A (en) * | 2005-04-13 | 2006-10-26 | Ns Bolten:Kk | Tapping device |
| CN101883653A (en) * | 2007-10-31 | 2010-11-10 | 晋三夏 | Tapping shank and nut tapping apparatus which used this |
| CN201856010U (en) * | 2010-11-05 | 2011-06-08 | 东风汽车零部件(集团)有限公司 | Bidirectional guiding and automatic tapping device for flange nut |
| CN103386518A (en) * | 2013-08-07 | 2013-11-13 | 上海永太汽车零部件厂 | Tapping device for nut manufacturing |
| CN205464635U (en) * | 2016-01-15 | 2016-08-17 | 瑞安市威孚标准件有限公司 | Nut tapping machine |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201600115121A1 (en) * | 2016-11-15 | 2018-05-15 | Nippon Tapper Co Ltd | Centering device applicable on means for tapping metal nuts |
| WO2018092021A3 (en) * | 2016-11-15 | 2018-07-19 | Nippon Tapper Co., Ltd. | Tapping machine for screw threading of metallic nuts provided with a centering device |
| JP2019537519A (en) * | 2016-11-15 | 2019-12-26 | 日本タッパー株式会社 | Tapping machine for cutting metal nuts with centering device |
| JP7042267B2 (en) | 2016-11-15 | 2022-03-25 | 日本タッパー株式会社 | Tapping machine for threading metal nuts with centering equipment |
| CN106424979A (en) * | 2016-12-22 | 2017-02-22 | 海盐宇星螺帽有限责任公司 | High-stability nut tapping machine |
| CN108465886A (en) * | 2018-03-08 | 2018-08-31 | 西安交通大学 | The full-automatic vibration cold extrusion plastic forming device and technique of medium-small diameter internal thread |
| CN110039130A (en) * | 2019-06-05 | 2019-07-23 | 海盐三马标准件有限公司 | A kind of hexagonal flange nut tapping device |
| CN110039130B (en) * | 2019-06-05 | 2023-10-13 | 三马紧固件(浙江)股份有限公司 | Hexagonal flange nut tapping device |
| CN112548236A (en) * | 2020-12-16 | 2021-03-26 | 潘丕林 | Tapping machine |
| CN116967541A (en) * | 2023-09-21 | 2023-10-31 | 常州润来科技有限公司 | Copper pipe internal thread machining device and machining method thereof |
| CN116967541B (en) * | 2023-09-21 | 2023-12-08 | 常州润来科技有限公司 | Copper pipe internal thread machining device and machining method thereof |
| CN117754059A (en) * | 2024-02-02 | 2024-03-26 | 邢台闽都实业有限公司 | Tapping device for nut production |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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| WD01 | Invention patent application deemed withdrawn after publication |