CN111421195A - Machine threading die chuck for processing external threads - Google Patents
Machine threading die chuck for processing external threads Download PDFInfo
- Publication number
- CN111421195A CN111421195A CN202010177868.4A CN202010177868A CN111421195A CN 111421195 A CN111421195 A CN 111421195A CN 202010177868 A CN202010177868 A CN 202010177868A CN 111421195 A CN111421195 A CN 111421195A
- Authority
- CN
- China
- Prior art keywords
- clamping
- clamping piece
- clamping pieces
- material handle
- jacket
- 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
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 2
- 238000005553 drilling Methods 0.000 description 12
- 238000010079 rubber tapping Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
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
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
Abstract
The invention discloses a machine threading die chuck for processing external threads, which comprises a taper shank, wherein a cylindrical material shank is formed at the lower end of the taper shank, an insertion hole is formed in the bottom end surface of the material shank, a plurality of clamping pieces with T-shaped cross sections are inserted into the material shank, the inner ends of the clamping pieces are inserted into the insertion hole of the material shank, a fan-shaped stop block is formed at the upper end of the clamping piece inside the insertion hole, the clamping pieces abut against the outer wall of the material shank, and a plurality of counter bores are formed in the outer end surface of the clamping pieces; a circular jacket is fixed on the material handle through an inserting sleeve, a plurality of slots are formed in the jacket, and the outer end of the clamping piece is inserted into the slots of the jacket; the clamping device is characterized in that a plurality of threaded holes are formed in the clamping sleeve, plugs are screwed in the threaded holes of the clamping sleeve, a plurality of pressure springs are inserted in the slots of the clamping sleeve, one ends of the pressure springs are inserted in the counter bores of the clamping pieces and pressed on the clamping pieces, and the other ends of the pressure springs are inserted in the threaded holes of the clamping sleeve and pressed on the plugs.
Description
Technical Field
The invention relates to the technical field of drilling and tapping machines, in particular to a machine threading die chuck for processing external threads.
Background
The drilling and tapping machine is a combined drilling and tapping machine and has the functions of drilling and tapping. Some present brill machine of attacking are equipped with the rotation axis that the installation can drill chuck, and the screw tap installation tool of taper shank structure also can be installed simultaneously to its rotation axis. However, the screw tap can only process internal threads, and external threads are processed by the screw die, so that people fix the screw die by using a chuck of a taper shank structure, install the screw die on a drilling and tapping machine, and process the external threads by using the drilling and tapping machine, and when the external threads are processed, because the screw die is fixedly connected with a rotating shaft of the drilling and tapping machine, a worker needs to continuously press down a rocking handle of the drilling and tapping machine to realize that the screw die moves down, but the worker continuously presses down the rocking handle of the drilling and tapping machine to require uniform force to realize that the screw die moves down uniformly, and when the force is excessive, the screw mouth of the external threads is damaged; the use of a drill to tap the external thread is relatively cumbersome.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a machine threading die chuck for processing external threads.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a machine die chuck for processing external threads comprises a taper shank, wherein a cylindrical material shank is formed at the lower end of the taper shank, an insertion hole is formed in the bottom end face of the material shank, a plurality of clamping pieces with T-shaped cross sections are inserted into the material shank, the inner ends of the clamping pieces are inserted into the insertion hole of the material shank, a fan-shaped stop block is formed at the upper end of the clamping piece inside the insertion hole, the clamping pieces abut against the outer wall of the material shank, and a plurality of counter bores are formed in the outer end face of the clamping pieces; a circular jacket is fixed on the material handle in an inserting way, a plurality of slots are formed in the jacket, and the outer end of the clamping piece is inserted into the slots of the jacket; the clamping device is characterized in that a plurality of threaded holes opposite to the counter bores in the clamping piece are formed in the clamping sleeve, plugs are screwed in the threaded holes of the clamping sleeve, a plurality of pressure springs are inserted in the slots of the clamping sleeve, one ends of the pressure springs are inserted in the counter bores of the clamping piece and are pressed on the clamping piece, and the other ends of the pressure springs are inserted in the threaded holes of the clamping sleeve and are pressed on the plugs.
Preferably, the clamping piece be the bar, the clamping piece is parallel with the central axis of material handle, the clamping piece is equipped with four, the clamping piece is annular evenly distributed around the central axis of material handle.
Preferably, the inner end surface of the clamping piece is formed with a limiting inserting strip with a step-shaped section, and the limiting inserting strip is located right below the stop block.
Preferably, the circular arc circle center of the stop block on the clamping piece is positioned on the central axis of the material handle, and two sides of the stop block are exposed out of two side walls at the inner end of the clamping piece.
Preferably, the outer wall of the jacket between the adjacent clamping pieces is formed with a circular arc-shaped weight reduction groove.
Preferably, the cross section of the outer end of the clamping piece is rectangular, the slot on the jacket is rectangular, the depth of the slot is larger than the thickness of the outer end of the clamping piece, and the width of the outer end of the clamping piece is equal to the width of the slot.
Preferably, at least three pressure springs are arranged in the same slot, and the pressure springs are linearly and uniformly distributed on the jacket or the clamping piece.
Preferably, the depth of the insertion hole in the material handle is larger than the length of the clamping piece.
The invention has the beneficial effects that:
(1) the clamping head can clamp the screw die and is arranged on the drilling and tapping machine, when the external thread is machined, the internal thread of the screw die can be utilized to spirally move downwards on a workpiece, and the screw die can vertically move downwards on the clamping head; thereby need not continuously push down and bore the rotation axis of attacking the machine, conveniently bore and attack the machine-tooled external screw thread.
(2) The adopted chuck has universality and can elastically clamp dies with various specifications.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic sectional view at B-B in fig. 3.
In the figure: 1. a taper shank; 11. a material handle; 12. a jack; 2. a clamping member; 21. a stopper; 22. a counter bore; 23. limiting the cutting; 3. a jacket; 31. a slot; 32. a threaded hole; 33. a weight-reducing groove; 4. a pressure spring; 5. and (7) a plug.
Detailed Description
Example (b): as shown in fig. 1 to 5, a machine threading die chuck for processing external threads comprises a taper shank 1, a cylindrical material shank 11 is formed at the lower end of the taper shank 1, an insertion hole 12 is formed on the bottom end surface of the material shank 11, a plurality of clamping pieces 2 with T-shaped cross sections are formed on the material shank 11 in an inserted manner, the inner ends of the clamping pieces 2 are inserted into the insertion hole 12 of the material shank 11, a fan-shaped stop block 21 is formed at the upper end of the clamping piece 2 inside the insertion hole 12, the clamping piece 2 abuts against the outer wall of the material shank 11, and a plurality of counter bores 22 are formed on the outer end surface of the clamping piece 2; a circular jacket 3 is fixed on the material handle 11 in an inserting way, a plurality of slots 31 are formed on the jacket 3, and the outer end of the clamping piece 2 is inserted in the slots 31 of the jacket 3; a plurality of threaded holes 32 opposite to the counter bores 22 on the clamping piece 2 are formed in the clamping sleeve 3, plugs 5 are screwed in the threaded holes 32 of the clamping sleeve 3, a plurality of pressure springs 4 are inserted in the slots 31 of the clamping sleeve 3, one ends of the pressure springs 4 are inserted in the counter bores 22 of the clamping piece 2 and are pressed on the clamping piece 2, and the other ends of the pressure springs 4 are inserted in the threaded holes 32 of the clamping sleeve 3 and are pressed on the plugs 5.
Preferably, the clamping pieces 2 are strip-shaped, the clamping pieces 2 are parallel to the central axis of the material handle 11, the number of the clamping pieces 2 is four, and the clamping pieces 2 are uniformly distributed in an annular shape around the central axis of the material handle 11.
Preferably, the inner end surface of the clamping member 2 is formed with a limiting inserting strip 23 with a step-shaped section, and the limiting inserting strip 23 is located right below the stop block 21.
Preferably, the circle center of the arc of the stop block 21 on the clamping member 2 is located on the central axis of the material handle 11, and two sides of the stop block 21 are exposed out of two side walls of the inner end of the clamping member 2.
Preferably, the outer wall of the jacket 3 between the adjacent clamping pieces 2 is formed with a circular arc-shaped weight-reducing groove 33.
Preferably, the cross section of the outer end of the clamping member 2 is rectangular, the slot 31 on the jacket 3 is rectangular, the depth of the slot 31 is greater than the thickness of the outer end of the clamping member 2, and the width of the outer end of the clamping member 2 is equal to the width of the slot 31.
Preferably, at least three compression springs 4 are arranged in the same slot 31, and the compression springs 4 are linearly and uniformly distributed on the jacket 3 or the clamping piece 2.
Preferably, the depth of the insertion hole 12 on the material handle 11 is larger than the length of the clamping piece 2.
The working principle is as follows: the invention is a machine die chuck for processing external threads, the die chuck can insert a die into a jack 12 of a material handle 11, the inner end of a clamping piece 2 is inserted into a clamping groove on the outer wall of the die, the radial rotation of the die can be limited, the initial die needs to be abutted against a stop block 21, and the die can be pressed and sleeved on a workpiece when the external threads are initially tapped; then, the screw die is screwed downwards on the workpiece by using the internal thread of the screw die, and the screw die can vertically downwards move on the clamping piece 2; the rocking handle of the drilling and tapping machine can be held without moving, so that the external thread can be automatically processed by the threading die, and the external thread can be conveniently processed by the drilling and tapping machine;
the clamping pieces 2 on the chuck elastically clamp the screw die, and meanwhile, a structure formed by the clamping pieces 2 is opened; meanwhile, the stepped limiting inserting strips 23 on the clamping piece 2 can be matched with clamping grooves on dies of various specifications, so that the dies of various specifications can be clamped.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (8)
1. The utility model provides a machine die chuck of processing external screw thread, includes taper shank (1), and the lower extreme shaping of taper shank (1) has columniform material handle (11), and the shaping has jack (12), its characterized in that on the bottom face of material handle (11): a plurality of clamping pieces (2) with T-shaped sections are spliced on the material handle (11), the inner ends of the clamping pieces (2) are spliced in the insertion holes (12) of the material handle (11), fan-shaped stop blocks (21) are formed at the upper ends of the clamping pieces (2) inside the insertion holes (12), the clamping pieces (2) abut against the outer wall of the material handle (11), and a plurality of counter bores (22) are formed in the outer end face of the clamping pieces (2); a circular jacket (3) is fixed on the material handle (11) in an inserting way, a plurality of slots (31) are formed in the jacket (3), and the outer end of the clamping piece (2) is inserted into the slots (31) of the jacket (3); the clamping device is characterized in that a plurality of threaded holes (32) opposite to the counter bores (22) in the clamping piece (2) are formed in the clamping sleeve (3), a plug (5) is screwed in the threaded holes (32) in the clamping piece (3), a plurality of pressure springs (4) are inserted in the slots (31) in the clamping sleeve (3), one ends of the pressure springs (4) are inserted in the counter bores (22) in the clamping piece (2) and pressed on the clamping piece (2), and the other ends of the pressure springs (4) are inserted in the threaded holes (32) in the clamping sleeve (3) and pressed on the plug (5).
2. A machine threading die chuck according to claim 1, wherein: the clamping pieces (2) are in a strip shape, the clamping pieces (2) are parallel to the central axis of the material handle (11), the number of the clamping pieces (2) is four, and the clamping pieces (2) are uniformly distributed in an annular shape around the central axis of the material handle (11).
3. A machine threading die chuck according to claim 2, wherein: the inner end face of the clamping piece (2) is formed with a limiting inserting strip (23) with a step-shaped section, and the limiting inserting strip (23) is located right below the stop block (21).
4. A machine threading die chuck according to claim 3 wherein: the arc circle center of the stop block (21) on the clamping piece (2) is positioned on the central axis of the material handle (11), and two sides of the stop block (21) are exposed out of two side walls of the inner end of the clamping piece (2).
5. A machine threading die chuck according to claim 1, wherein: and arc-shaped weight reduction grooves (33) are formed in the outer wall of the jacket (3) between the adjacent clamping pieces (2).
6. A machine threading die chuck according to claim 1, wherein: the cross-section of holder (2) outer end is the rectangle, and slot (31) on the cover (3) are the rectangle, and the degree of depth of slot (31) is greater than the thickness of holder (2) outer end, and the width of holder (2) outer end equals the width of slot (31).
7. A machine threading die chuck according to claim 1, wherein: at least three pressure springs (4) are arranged in the same slot (31), and the pressure springs (4) are linearly and uniformly distributed on the jacket (3) or the clamping piece (2).
8. A machine threading die chuck according to claim 1, wherein: the depth of the insertion hole (12) on the material handle (11) is larger than the length of the clamping piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177868.4A CN111421195B (en) | 2020-03-13 | 2020-03-13 | Machine threading die chuck for processing external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177868.4A CN111421195B (en) | 2020-03-13 | 2020-03-13 | Machine threading die chuck for processing external threads |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421195A true CN111421195A (en) | 2020-07-17 |
| CN111421195B CN111421195B (en) | 2021-05-14 |
Family
ID=71547930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010177868.4A Active CN111421195B (en) | 2020-03-13 | 2020-03-13 | Machine threading die chuck for processing external threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111421195B (en) |
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|---|---|---|---|---|
| JPS57184626A (en) * | 1981-05-08 | 1982-11-13 | Kato Koki Kk | Torque limitter for torque transmission unit |
| CN2049164U (en) * | 1988-11-17 | 1989-12-13 | 苏坤杰 | Clamping head for threading by round die |
| CN2071550U (en) * | 1990-07-31 | 1991-02-20 | 十堰市汽车制动蹄厂 | Universal multifunction combined holder for lathe |
| CN102009360A (en) * | 2010-11-09 | 2011-04-13 | 廖大萍 | Scappling handle cutter |
| CN202828253U (en) * | 2012-08-27 | 2013-03-27 | 湖北中烟工业有限责任公司 | Packing machine stay wire coiling block location device for transparent paper outside cigarette box or cigarette strip |
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| CN204545617U (en) * | 2015-04-09 | 2015-08-12 | 河南经纬电力科技股份有限公司 | A kind of lathe tapping and the dual-purpose frock clamp of mantle fiber |
| CN206550586U (en) * | 2017-01-21 | 2017-10-13 | 陕煤集团神木张家峁矿业有限公司 | A kind of bolt repairs threading tool |
| CN206689773U (en) * | 2017-05-15 | 2017-12-01 | 李荣兴 | A kind of longaxones parts turning attachment |
| CN207239177U (en) * | 2017-08-26 | 2018-04-17 | 宁波德豪模架有限公司 | Lathe tools |
| CN207343926U (en) * | 2017-07-31 | 2018-05-11 | 哈尔滨电机厂有限责任公司 | Pipe screw thread tapping tool |
| US20180313476A1 (en) * | 2017-04-28 | 2018-11-01 | Nibco Inc. | Threaded pipe connections and sockets for making the same in situ |
| CN108723518A (en) * | 2018-07-06 | 2018-11-02 | 沈阳航空航天大学 | A kind of multifunctional safety is self-centering to attack threading device and application method |
-
2020
- 2020-03-13 CN CN202010177868.4A patent/CN111421195B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184626A (en) * | 1981-05-08 | 1982-11-13 | Kato Koki Kk | Torque limitter for torque transmission unit |
| CN2049164U (en) * | 1988-11-17 | 1989-12-13 | 苏坤杰 | Clamping head for threading by round die |
| CN2071550U (en) * | 1990-07-31 | 1991-02-20 | 十堰市汽车制动蹄厂 | Universal multifunction combined holder for lathe |
| CN102009360A (en) * | 2010-11-09 | 2011-04-13 | 廖大萍 | Scappling handle cutter |
| CN202828253U (en) * | 2012-08-27 | 2013-03-27 | 湖北中烟工业有限责任公司 | Packing machine stay wire coiling block location device for transparent paper outside cigarette box or cigarette strip |
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| CN203045089U (en) * | 2012-12-14 | 2013-07-10 | 广东富睿实业集团有限公司 | Clamp for machining long small-diameter external thread |
| CN204545618U (en) * | 2015-04-09 | 2015-08-12 | 河南经纬电力科技股份有限公司 | A kind of lathe tapping and the dual-purpose frock of mantle fiber |
| CN204545617U (en) * | 2015-04-09 | 2015-08-12 | 河南经纬电力科技股份有限公司 | A kind of lathe tapping and the dual-purpose frock clamp of mantle fiber |
| CN206550586U (en) * | 2017-01-21 | 2017-10-13 | 陕煤集团神木张家峁矿业有限公司 | A kind of bolt repairs threading tool |
| US20180313476A1 (en) * | 2017-04-28 | 2018-11-01 | Nibco Inc. | Threaded pipe connections and sockets for making the same in situ |
| CN206689773U (en) * | 2017-05-15 | 2017-12-01 | 李荣兴 | A kind of longaxones parts turning attachment |
| CN207343926U (en) * | 2017-07-31 | 2018-05-11 | 哈尔滨电机厂有限责任公司 | Pipe screw thread tapping tool |
| CN207239177U (en) * | 2017-08-26 | 2018-04-17 | 宁波德豪模架有限公司 | Lathe tools |
| CN108723518A (en) * | 2018-07-06 | 2018-11-02 | 沈阳航空航天大学 | A kind of multifunctional safety is self-centering to attack threading device and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111421195B (en) | 2021-05-14 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210427 Address after: 102488 No.23, Zhongli, Zhangzhuang village, Yancun Town, Fangshan District, Beijing Applicant after: Beijing Aerospace Huashi Technology Co.,Ltd. Address before: 518000 Guangdong Province Longhua District Dalang Street Tongsheng Community Shangyanglang New Industrial Zone 2 603-1 Applicant before: SHENZHEN CHUANGZHI JOINT TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A die chuck for machining external thread Effective date of registration: 20220323 Granted publication date: 20210514 Pledgee: Beijing Yanhong Financing Guarantee Co.,Ltd. Pledgor: Beijing Aerospace Huashi Technology Co.,Ltd. Registration number: Y2022990000168 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230714 Granted publication date: 20210514 Pledgee: Beijing Yanhong Financing Guarantee Co.,Ltd. Pledgor: Beijing Aerospace Huashi Technology Co.,Ltd. Registration number: Y2022990000168 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A machine used die chuck for processing external threads Effective date of registration: 20230718 Granted publication date: 20210514 Pledgee: Beijing Yanhong Financing Guarantee Co.,Ltd. Pledgor: Beijing Aerospace Huashi Technology Co.,Ltd. Registration number: Y2023110000293 |