CN113732415A - External thread threading device and external thread threading method - Google Patents
External thread threading device and external thread threading method Download PDFInfo
- Publication number
- CN113732415A CN113732415A CN202111216860.5A CN202111216860A CN113732415A CN 113732415 A CN113732415 A CN 113732415A CN 202111216860 A CN202111216860 A CN 202111216860A CN 113732415 A CN113732415 A CN 113732415A
- Authority
- CN
- China
- Prior art keywords
- guide
- guide cylinder
- external thread
- workpiece
- threading device
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009966 trimming Methods 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
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/04—Dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides an external thread threading device and an external thread threading method. The external thread threading method comprises the operation step of utilizing a lathe and using an external thread threading device to thread and machine external threads on a workpiece. By adopting the technical scheme of the invention, the guide structure is formed by the guide cylinder and the guide shaft, the workpiece is guided to always slide along the central axis of the die sleeve, the axial direction of the workpiece and the axial direction of the die sleeve are mutually overlapped, the formed external thread threading is prevented from being deflected and disordered, the forming quality of the external thread threading is improved, in addition, the overlapping precision of the axial direction of the workpiece and the axial direction of the die sleeve is improved by utilizing the overlapping relation of the axial direction of the lathe spindle and the axial direction of the lathe tailstock, and the forming precision of the external thread threading is improved.
Description
Technical Field
The invention belongs to the technical field of machining process equipment, and particularly relates to an external thread threading device and an external thread threading method.
Background
The threaded connection has been widely used in mechanical equipment and hydraulic pipelines due to its advantages of good self-locking performance, large connection bearing capacity, reliable connection, etc. Present screw thread mainly has two kinds of types of external screw thread and internal thread, wherein the internal thread adopts the screw tap to bore the shaping of attacking usually, and the external screw thread adopts die sleeve mantle silk shaping usually, and generally speaking, adopts the screw tap to bore the comparatively easy shaping of attacking internal thread, and the precision is also higher, however, when adopting die sleeve mantle silk shaping external screw thread, if die sleeve axis produces the deviation with the work piece axial, then can influence external screw thread shaping quality, among the prior art, various external screw thread shaping processing equipment is various, for example, the publication number is: the patent document of "CN 110315150A" discloses an external screw thread mantle fiber instrument, and it includes outer tube, adjustment pipe, clamping ring, coil spring and external screw thread blade, the outside both sides of outer tube are equipped with twist grip, and inside one end is equipped with axial forked tail wedge key, and the other end passes through screw thread and adjustment pipe cooperation, the external screw thread blade is through its forked tail wedge groove sliding sleeve on forked tail wedge key, and the one end top of external screw thread blade is on the adjustment pipe, and the other end top is on the outside clamping ring of outer tube, the coil spring cover is outside the outer tube, and coil spring's one end and clamping ring are connected, and the other end is connected with the holding ring on the outer wall of outer tube. The technical scheme disclosed by the patent document changes the size of the processed thread by adjusting the sliding distance of the external thread blade along the dovetail wedge-shaped key, so that one set of tool can repair or process standard threads and non-standard threads of various specifications, the purchase cost of the tool is saved, the maintenance cost of equipment is reduced, and the maintenance efficiency of the equipment can be improved. However, the technical solution disclosed in this patent document still cannot ensure that the axes of the plate die and the workpiece coincide with each other during threading, and the thread of the external thread is disordered due to excessive trimming times of the external thread, which affects the usability of the external thread workpiece.
Disclosure of Invention
In order to solve the technical problems, the invention provides an external thread threading device and an external thread threading method.
The invention is realized by the following technical scheme.
The invention provides an external thread threading device which comprises a die sleeve, a guide cylinder and a guide shaft, wherein at least one end of the guide cylinder is welded with the die sleeve, the inner diameter of the guide cylinder is larger than that of the die sleeve, and the guide shaft is sleeved in the guide cylinder and can slide along the axial direction of the guide cylinder.
The guide cylinder is characterized in that the outer circumferential surface of the guide cylinder is also provided with a guide hole, the guide shaft is fixedly connected with a rotation stopping pin, and the upper end of the rotation stopping pin extends out of the guide hole.
The rotation stopping pin can be replaced by a bolt.
The projection of the guide hole on the axial section of the guide cylinder is a waist-shaped through hole.
The length of the guide hole is not less than 50 mm.
And the end surface of the outer end of the guide shaft is fixedly connected with a supporting handle.
The whole supporting handle is in a frustum shape with a large end and a small end.
The length of the guide cylinder is not less than 100 m.
In addition, the invention also provides an external thread threading method, which comprises the following steps:
providing a lathe, a workpiece and an external thread threading device, wherein the external thread threading device comprises a die sleeve, a guide cylinder and a guide shaft, at least one end of the guide cylinder is welded with the die sleeve, the inner diameter of the guide cylinder is larger than that of the die sleeve, one end of the guide shaft is fixedly connected with a lathe tailstock, the other end of the guide shaft is sleeved in the guide cylinder, one end of the workpiece is fixedly connected with a lathe spindle, the lathe is started and the tailstock of the workpiece is pushed, and external threads are machined on the outer peripheral surface of the workpiece by the other end of the workpiece and the die sleeve in the sleeving process.
The rotating speed of the lathe spindle does not exceed 5 r/min.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the guide structure is formed by the guide cylinder and the guide shaft, so that the workpiece and the die sleeve are guided to slide along the central axis of the die sleeve all the time in the process of sleeving the workpiece and the die sleeve, the axial direction of the workpiece and the axial direction of the die sleeve are mutually overlapped, the formed external thread screw thread is prevented from being deflected and disordered, and the forming quality of the external thread threading is improved.
Drawings
Fig. 1 is a schematic structural view of the externally threaded threading device of the present invention.
In the figure: 1-die teeth sleeve, 2-guide cylinder, 3-guide shaft, 4-guide hole, 5-rotation stop pin and 6-support handle.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the present invention provides an external thread threading device, which comprises a die sleeve 1, a guide cylinder 2 and a guide shaft 3, wherein at least one end of the guide cylinder 2 is welded with the die sleeve 1, the inner diameter of the guide cylinder 2 is larger than that of the die sleeve 1, and the guide shaft 3 is sleeved in the guide cylinder 2 and enables the guide shaft 3 to slide along the axial direction of the guide cylinder 2.
Furthermore, the outer peripheral surface of the guide cylinder 2 is also provided with a guide hole 4, the guide shaft 3 is fixedly connected with a rotation stopping pin 5, and the upper end of the rotation stopping pin 5 extends out of the guide hole 4. The rotation stop pin 5 may be replaced with a bolt.
In addition, the projection of the guide hole 4 on the axial section of the guide cylinder 2 is a waist-shaped through hole. The length of the guide hole 4 is not less than 50 mm. Therefore, the guide length of the guide structure consisting of the guide cylinder 2 and the guide shaft 3 is longer, and the external thread with the length within 100mm can be conveniently processed.
In addition, the end face of the outer end of the guide shaft 3 is fixedly connected with a supporting handle 6. The support handle 6 is integrally in the shape of a frustum with a large end and a small end. Therefore, the supporting handle 6 can be conveniently clamped on the lathe tailstock, and the length of the guide cylinder 2 is preferably not less than 100 m.
In addition, the external thread threading method is characterized in that: the method comprises the following steps:
the external thread threading device comprises a die sleeve 1, a guide cylinder 2 and a guide shaft 3, wherein at least one end of the guide cylinder 2 is welded with the die sleeve 1, the inner diameter of the guide cylinder 2 is larger than that of the die sleeve 1, one end of the guide shaft 3 is fixedly connected with a lathe tailstock, the other end of the guide shaft 3 is sleeved in the guide cylinder 2, one end of a workpiece is fixedly connected with a lathe spindle, the lathe is started and the tailstock of the workpiece is pushed, and external threads are machined on the outer peripheral surface of the workpiece by the other end of the workpiece and the die sleeve 1 in the sleeving process. Preferably, the rotating speed of the lathe spindle does not exceed 5 r/min.
By adopting the technical scheme of the invention, the guide structure is formed by the guide cylinder and the guide shaft, so that the workpiece and the die sleeve are guided to slide along the central axis of the die sleeve all the time in the process of sleeving the workpiece and the die sleeve, the axial direction of the workpiece and the axial direction of the die sleeve are mutually overlapped, the formed external thread screw thread is prevented from being deflected and disordered, and the forming quality of the external thread threading is improved.
Claims (10)
1. The utility model provides an external screw thread mantle fiber device which characterized in that: the die teeth sleeve comprises a die teeth sleeve (1), a guide cylinder (2) and a guide shaft (3), wherein at least one end of the guide cylinder (2) is welded with the die teeth sleeve (1), the inner diameter of the guide cylinder (2) is larger than that of the die teeth sleeve (1), and the guide shaft (3) is sleeved in the guide cylinder (2) and enables the guide shaft (3) to axially slide along the guide cylinder (2).
2. The externally threaded threading device of claim 1 wherein: the guide cylinder is characterized in that a guide hole (4) is further formed in the outer peripheral surface of the guide cylinder (2), a rotation stopping pin (5) is fixedly connected to the guide shaft (3), and the upper end of the rotation stopping pin (5) extends out of the guide hole (4).
3. The externally threaded threading device of claim 2 wherein: the rotation stopping pin (5) can be replaced by a bolt.
4. The externally threaded threading device of claim 2 wherein: the projection of the guide hole (4) on the axial section of the guide cylinder (2) is a waist-shaped through hole.
5. The externally threaded threading device of claim 2 wherein: the length of the guide hole (4) is not less than 50 mm.
6. The externally threaded threading device of claim 1 wherein: the end face of the outer end of the guide shaft (3) is fixedly connected with a supporting handle (6).
7. The externally threaded threading device of claim 6 wherein: the whole supporting handle (6) is in a frustum shape with a large end and a small end.
8. The externally threaded threading device of claim 1 wherein: the length of the guide cylinder (2) is not less than 100 m.
9. An external thread threading method is characterized in that: the method comprises the following steps:
providing a lathe, a workpiece and an external thread threading device, wherein the external thread threading device comprises a die sleeve (1), a guide cylinder (2) and a guide shaft (3), at least one end of the guide cylinder (2) is welded with the die sleeve (1), the inner diameter of the guide cylinder (2) is larger than that of the die sleeve (1), one end of the guide shaft (3) is fixedly connected with a lathe tailstock, the other end of the guide shaft (3) is sleeved in the guide cylinder (2), one end of the workpiece is fixedly connected with a lathe spindle, the lathe is started and the lathe tailstock is pushed, so that an external thread is machined on the outer peripheral surface of the workpiece by the other end of the workpiece and the die sleeve (1) in the sleeving process.
10. A method of threading external threads according to claim 9 wherein: the rotating speed of the lathe spindle does not exceed 5 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216860.5A CN113732415A (en) | 2021-10-19 | 2021-10-19 | External thread threading device and external thread threading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216860.5A CN113732415A (en) | 2021-10-19 | 2021-10-19 | External thread threading device and external thread threading method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732415A true CN113732415A (en) | 2021-12-03 |
Family
ID=78727004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111216860.5A Pending CN113732415A (en) | 2021-10-19 | 2021-10-19 | External thread threading device and external thread threading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732415A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501519A (en) * | 1980-05-27 | 1985-02-26 | Leon Harry I | Threading die couple |
| US4630978A (en) * | 1985-10-03 | 1986-12-23 | Terry L. Keiser | Thread chasing tool |
| CN2124788U (en) * | 1992-05-29 | 1992-12-16 | 包钢机运修理厂 | Casing type automatic threading apparatus |
| CN201049408Y (en) * | 2006-07-06 | 2008-04-23 | 王海平 | Automatic tapping and threading device for lathe |
| CN201625819U (en) * | 2009-09-09 | 2010-11-10 | 浙江吉利汽车有限公司 | Threading tool for machine tool |
| CN202861561U (en) * | 2012-08-29 | 2013-04-10 | 苏州工业园区永达五金电器厂 | External threading clamp |
| CN204747680U (en) * | 2015-06-30 | 2015-11-11 | 河南机电高等专科学校 | Machine die handle |
| KR20170069565A (en) * | 2015-12-11 | 2017-06-21 | 김한응 | Chuck for fixing dies |
| CN212443592U (en) * | 2020-06-05 | 2021-02-02 | 四川联茂机械制造有限公司 | Automatic plate wire tool |
-
2021
- 2021-10-19 CN CN202111216860.5A patent/CN113732415A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501519A (en) * | 1980-05-27 | 1985-02-26 | Leon Harry I | Threading die couple |
| US4630978A (en) * | 1985-10-03 | 1986-12-23 | Terry L. Keiser | Thread chasing tool |
| CN2124788U (en) * | 1992-05-29 | 1992-12-16 | 包钢机运修理厂 | Casing type automatic threading apparatus |
| CN201049408Y (en) * | 2006-07-06 | 2008-04-23 | 王海平 | Automatic tapping and threading device for lathe |
| CN201625819U (en) * | 2009-09-09 | 2010-11-10 | 浙江吉利汽车有限公司 | Threading tool for machine tool |
| CN202861561U (en) * | 2012-08-29 | 2013-04-10 | 苏州工业园区永达五金电器厂 | External threading clamp |
| CN204747680U (en) * | 2015-06-30 | 2015-11-11 | 河南机电高等专科学校 | Machine die handle |
| KR20170069565A (en) * | 2015-12-11 | 2017-06-21 | 김한응 | Chuck for fixing dies |
| CN212443592U (en) * | 2020-06-05 | 2021-02-02 | 四川联茂机械制造有限公司 | Automatic plate wire tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102049695B (en) | Processing method and technological equipment for cylindrical thin and long thin-walled workpiece | |
| CN203610707U (en) | Special fixture for turning excircle of thin-wall cylinder body | |
| CN205614146U (en) | Lathe cover thread tapper | |
| CN111390211A (en) | Chuck structure for rapidly clamping shaft workpieces | |
| CN101439413B (en) | High-speed machining method for spherical surface of differential mechanism casing | |
| CN205600371U (en) | A disjunctor handle of a knife that is used for grinding, mills, high -speed high accuracy of polishing and wire drawing | |
| CN113732415A (en) | External thread threading device and external thread threading method | |
| CN204135772U (en) | Synchro converter ring tooth holder | |
| CN216576811U (en) | Thin-wall barrel-shaped workpiece inner hole support for lathe | |
| CN205763963U (en) | One prevents workpiece lathe chuck device in axial sliding | |
| CN212822723U (en) | Thimble tray is used in automobile-used processing of mould steel | |
| CN210147581U (en) | Positioning tool in main shaft | |
| CN105798342A (en) | Lathe chuck device for preventing axial sliding of workpieces | |
| CN2488631Y (en) | Lathe for processing inner bore on edge face of slim part | |
| CN216859027U (en) | Numerical control turning center anchor clamps | |
| CN218397051U (en) | Earring joint class part dead eye bore hole anchor clamps | |
| CN213916128U (en) | Novel machining center unit head | |
| CN214444878U (en) | Center compensation clamping device | |
| CN205032815U (en) | Screw dies floats and connects | |
| CN214212369U (en) | Milling power head convenient to maintain and replace | |
| CN212443604U (en) | Tapping clamp for CA6140 type common lathe | |
| CN211840199U (en) | Clamping tool for machining end part of spline shaft | |
| CN213289470U (en) | Spiral oil groove opening tool | |
| CN108907918B (en) | Cylindrical grinding machine | |
| CN220480269U (en) | Support tool for machining rotary small cylinder body for lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |