CN111906393A - Readable automatic stroke tapping and threading device - Google Patents
Readable automatic stroke tapping and threading device Download PDFInfo
- Publication number
- CN111906393A CN111906393A CN202010628167.8A CN202010628167A CN111906393A CN 111906393 A CN111906393 A CN 111906393A CN 202010628167 A CN202010628167 A CN 202010628167A CN 111906393 A CN111906393 A CN 111906393A
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- taper shank
- lathe
- tapping
- screw
- tap
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 95
- 230000002093 peripheral effect Effects 0.000 claims description 5
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process 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
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/04—Dies
-
- 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
-
- 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
- B23G5/06—Taps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
The invention discloses a lathe readable automatic stroke tapping and threading device, which comprises a taper shank clamp, a taper shank tapping fixing cylinder, an inner hexagonal screw, a screw tap quadrate sleeve and a screw tap; the taper shank tapping fixing cylinder is connected with the taper shank clamp through an inner hexagon screw; the tap is inserted into the tap quadrate sleeve and is connected with the taper shank tapping fixing cylinder through the hexagon socket head cap screw; the screw tap, the workpiece to be machined and the lathe spindle are coaxially arranged, and the taper shank clamp is fixed on a lathe tailstock; the threading device comprises a taper shank clamp, a taper shank tapping fixing cylinder, an inner hexagon screw and a threading die, wherein the taper shank tapping fixing cylinder is connected with the taper shank clamp through the inner hexagon screw; the threading die is connected with the taper shank tapping fixing cylinder through an inner hexagon screw; the taper shank fixture is fixed on a lathe tailstock, and the screw die, a workpiece to be machined and a lathe spindle are coaxially arranged; the taper shank tapping fixed cylinder disclosed by the invention automatically moves forwards in the axial direction to tap or sleeve threads under the action of shearing force and friction force of the lathe spindle, so that the production efficiency is improved.
Description
Technical Field
The invention is suitable for the field of machining of parts such as bolts and nuts of a generator, and particularly relates to a readable automatic stroke tapping and threading device.
Background
Tapping is to screw the screw tap into an internal thread by using a certain torque; the threading is to use a certain torque to process an external thread by using a die.
When parts such as a bolt, a nut and the like of a generator are machined, the bolt and the nut are usually threaded and tapped manually, and the following problems often exist due to uneven force exertion of an operator during threading and tapping manually, namely, a threading die and a screw tap cannot be vertically screwed into a workpiece, so that the threading die and the screw tap are easily deformed and broken; secondly, tapping depth and threading length are difficult to measure, so that poor surface quality and unstable thread quality of workpiece threads are easily caused, and great quality hidden danger and safety hidden danger are generated; and thirdly, the labor intensity of manual tapping and threading is relatively high, the production efficiency is low, and the production progress of parts such as bolts and nuts of the generator is severely limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing a readable automatic stroke tapping and threading device aiming at the defect that the prior art restricts the tapping and threading production progress of parts such as bolts, nuts and the like of a generator.
The technical scheme adopted by the invention for solving the technical problem is as follows: a lathe readable type automatic stroke tapping device comprises a taper shank clamp, a taper shank tapping fixing cylinder, an inner hexagonal screw, a screw tap quadrate sleeve and a screw tap; the taper shank tapping fixing cylinder is connected with the taper shank clamp through an inner hexagon screw, so that automatic centering of a lathe is realized; the screw tap is inserted into the screw tap quadrate sleeve and is connected with the taper shank tapping fixing cylinder through an inner hexagon screw; the taper shank tapping fixing cylinder disclosed by the invention automatically moves forwards in an axial direction to tap threads under the action of shearing force and friction force of the lathe spindle.
As a further improvement of the above technical solution, the taper shank clamp includes a taper shank and a cylindrical barrel; one end of the taper shank is arranged on the lathe tailstock, and the other end of the taper shank clamp is connected with the cylindrical barrel.
As a further improvement of the above technical scheme, the cylindrical barrel is a hollow cylindrical barrel, wherein the side wall of the hollow cylindrical barrel is symmetrically provided with grooves; the groove is used as the working stroke of the taper shank tapping fixing barrel, and the width of the groove is larger than the diameter of the lower part of the socket head cap screw and smaller than the diameter of the top of the socket head cap screw.
As a further improvement of the technical scheme, two groups of threaded through holes with the same size and opposite positions are formed in the peripheral wall of the front part and the peripheral wall of the rear part of the taper shank tapping fixing cylinder.
As a further improvement of the technical scheme, the middle of the taper shank tapping fixing barrel is provided with scales, and the scales are used for measuring the stroke distance of the taper shank tapping fixing barrel so as to obtain the tapping depth.
As a further improvement of the technical scheme, the square screw tap sleeve is circular, two groups of blind holes which are the same in size and opposite in position are formed in the end face of the square screw tap sleeve, a square hole is formed in the middle of the square screw tap sleeve, and the square hole is the same as the screw tap in size.
The invention solves the technical problem and adopts the technical scheme that: a lathe readable automatic stroke threading device comprises a taper shank clamp, a taper shank tapping fixed cylinder, an inner hexagon screw and a threading die, wherein the taper shank tapping fixed cylinder is connected with the taper shank clamp through the inner hexagon screw; the threading die is connected with the taper shank tapping fixing cylinder through an inner hexagon screw; the taper shank fixture is fixed on a lathe tailstock, and the screw die, a workpiece to be machined and a lathe spindle are coaxially arranged; the taper shank tapping fixed cylinder automatically moves forwards axially to sleeve out an internal thread under the action of shearing force and friction force of a lathe spindle.
Compared with the prior art, the invention has the beneficial effects that:
the automatic threading machine has the advantages of convenience in operation, simple structure, high universality and low manufacturing cost, can be used for threading and threading parts such as bolts and nuts on a lathe, meets the requirements of automatic threading and threading of workpieces by replacing screw taps, screw tap square sleeves and dies, meets the requirements of machining internal and external threads of different workpieces and different sizes, and improves the production efficiency.
The taper shank tapping and fixing cylinder is connected with the taper shank clamp through the socket head cap screws, so that automatic centering of a lathe can be realized, and meanwhile, the taper shank tapping and fixing cylinder is subjected to the action of shearing force and friction force of a lathe spindle during tapping and threading, so that tapping and threading are automatically performed along the groove direction, and an automatic stroke is realized.
The invention can measure the stroke distance of the taper shank tapping fixing barrel through the scale in the middle of the taper shank tapping fixing barrel, thereby obtaining the tapping depth and the threading length.
Drawings
FIG. 1 is a schematic view of a tapping structure;
FIG. 2 is a schematic view of a taper shank fixture;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural view of a taper shank tapping fixing cylinder;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
FIG. 6 is a schematic structural view of a square sleeve of a tap;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
fig. 8 is a schematic diagram of a threading structure.
In the drawings: 1. the taper shank fixture comprises a taper shank fixture, 2 a taper shank tapping fixing barrel, 3 a socket head cap screw, 4 a screw tap square sleeve, 5 a screw tap, 6 a threading die.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, the invention discloses a lathe readable automatic stroke tapping device, which comprises a taper shank clamp 1, a taper shank tapping fixing barrel 2, an inner hexagon screw 3 and a tap square sleeve 4.
Referring to fig. 1, the taper shank tapping fixing cylinder 2 is connected with the taper shank clamp 1 through a socket head cap screw 3, so that automatic centering of a lathe is realized; when in use, the screw tap 5 is inserted into the screw tap quadrate sleeve 4 and is connected with the taper shank tapping fixing barrel 2 through the socket head cap screw 3; the screw tap 5, a workpiece to be machined and a lathe spindle are coaxially arranged, and the taper shank clamp 1 is fixed on a lathe tailstock.
Referring to fig. 2-3, the taper shank clamp 1 includes a taper shank and a cylindrical barrel; one end of the taper shank is arranged on the lathe tailstock, and the other end of the taper shank clamp is connected with the cylindrical barrel.
The cylindrical barrel is a hollow cylindrical barrel, wherein the side wall of the hollow cylindrical barrel is symmetrically provided with grooves; the groove is used as the working stroke of the taper shank tapping fixing barrel 2, and when the groove is formed, the width of the groove is larger than the diameter of the lower part of the socket head cap screw 3 and smaller than the diameter of the top of the socket head cap screw.
Referring to fig. 4-5, two sets of threaded through holes with the same size and opposite positions are formed in the circumferential wall of the rear portion of the taper shank tapping fixing cylinder 2, scales for measurement are engraved in the middle of the taper shank tapping fixing cylinder 2 by using a wire cutting device, and the scales measure the stroke distance of the taper shank tapping fixing cylinder so as to obtain the tapping depth; two groups of threaded through holes which are the same in size and opposite in position are formed in the peripheral wall of the front part of the taper shank tapping fixing cylinder 2, and the threaded through holes are convenient for fixing the socket head cap screws 3.
Referring to fig. 6-7, the screw tap tetragonal sleeve 4 is circular, two groups of blind holes with the same size and opposite positions are formed in the end surface of the screw tap tetragonal sleeve 4, and the size of each blind hole is slightly smaller than that of a front threaded through hole of the taper shank tapping fixing barrel 2; the middle of the screw tap square sleeve 4 is provided with a square hole, and the square hole is the same as the screw tap 5 in size.
When the lathe readable automatic stroke tapping device is used for tapping, the taper shank tapping fixing cylinder 2 is connected with the taper shank clamp 1, the screw tap 5 is inserted into the screw tap square sleeve 4 and connected with the taper shank tapping fixing cylinder 2, and the taper shank clamp 1 is fixed on a lathe tailstock. And starting the machine tool, after the workpiece to be machined rotates at a low speed, adjusting the taper shank tapping fixing barrel 2 to enable the front end of the screw tap 5 to be close to the hole to be machined, recording the scale value of the taper shank tapping fixing barrel 2 at the moment, and enabling the taper shank tapping fixing barrel 2 to automatically move forwards to tap the thread under the action of shearing force and friction force of a lathe spindle at the moment. The tapping thread length is equal to the advancing distance of the taper shank tapping fixed cylinder 2, namely the difference of the two measurement results of the scale of the taper shank tapping fixed cylinder 2. And calculating the required advancing distance of the taper shank tapping fixing barrel 2 according to the tapping depth required by the drawing, reversing the lathe spindle after the taper shank tapping fixing barrel 2 displays corresponding scales, and axially withdrawing the screw tap 5 and the automatic stroke tapping device from the workpiece threaded hole to finish tapping.
Referring to fig. 8, the invention also discloses a lathe readable automatic stroke threading device, which comprises a taper shank clamp 1, a taper shank tapping fixing cylinder 2, an inner hexagon screw 3 and a threading die 6, namely, the lathe readable automatic stroke threading device of the invention is characterized in that a square tap sleeve 4 of the lathe readable automatic stroke tapping device is replaced by the threading die 6.
With continued reference to fig. 8, the taper shank tapping fixing cylinder 2 is connected with the taper shank clamp 1 through an inner hexagon screw 3; the threading die 6 is connected with the taper shank tapping fixed cylinder 2 through an inner hexagon screw 3; the taper shank fixture 1 is fixed on a lathe tailstock, and the die 6, a workpiece to be machined and a lathe spindle are coaxially arranged; in this embodiment, two sets of blind holes with the same size and opposite positions are formed in the end face of the die 6, and the size of each blind hole is slightly smaller than that of the front threaded through hole of the taper shank tapping fixing cylinder 2.
According to the lathe readable automatic stroke threading device, during threading, the screw tap square sleeve 4 is replaced by the screw die 6, the screw die 6 is connected with the taper shank tapping fixing cylinder 2 through the socket head cap screw, and the taper shank clamp 1 is fixed on a lathe tailstock. After a workpiece to be processed of the machine tool is started to rotate at a low speed, the taper shank tapping fixing barrel is adjusted to enable the front end of the threading die 6 to be close to the workpiece to be processed, the scale numerical value of the taper shank tapping fixing barrel 2 is recorded, and the taper shank tapping fixing barrel 2 automatically moves forwards in an axial direction to sleeve out an internal thread under the action of shearing force and friction force of a main shaft of the machine tool. The length of the sleeved internal thread is equal to the advancing distance of the taper shank tapping fixed cylinder 2, namely the difference of the two measurement results of the scales of the taper shank tapping fixed cylinder. And calculating the required advancing distance of the taper shank tapping fixed cylinder 2 according to the threading depth required by the drawing, reversing the lathe spindle after the taper shank tapping fixed cylinder 2 displays corresponding scales, and withdrawing the screw thread of the workpiece from the threading die 6 and the automatic stroke threading device along the axial direction to complete threading.
It should be noted that, in the above embodiment, the readable automatic stroke tapping and threading device of the present invention has the advantages of convenient operation, simple structure, high versatility, and low manufacturing cost, and the taper shank fixture 1 may be morse taper 0, 1, 2, 3, 4, 5 or 6, in the above solution, the readable automatic stroke tapping and threading device of the present machine tool selects morse taper shank fixture No. 5; the square sleeve of the screw tap, the screw tap and the die can be selected from various models, so that the automatic tapping and threading requirements of different workpieces can be met, and the production efficiency is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The lathe readable automatic stroke tapping device is characterized by comprising a taper shank clamp (1), a taper shank tapping fixing barrel (2), an inner hexagon screw (3), a screw tap quadrate sleeve (4) and a screw tap (5); the taper shank tapping fixing cylinder (2) is connected with the taper shank clamp (1) through the inner hexagon screw (3); the screw tap (5) is inserted into the screw tap quadrate sleeve (4) and is connected with the taper shank tapping fixing cylinder (2) through an inner hexagonal screw (3); the screw tap (5), a workpiece to be machined and a lathe spindle are coaxially arranged, and the taper shank clamp (1) is fixed on a lathe tailstock.
2. The lathe-readable automatic stroke threading device according to claim 1, wherein said shank chuck (1) comprises a shank and a cylinder; one end of the taper shank is arranged on the lathe tailstock, and the other end of the taper shank clamp is connected with the cylindrical barrel.
3. The lathe-readable automatic stroke threading device of claim 2 wherein said cylindrical barrel is a hollow cylindrical barrel, wherein the side wall of the hollow cylindrical barrel is symmetrically grooved.
4. The lathe-readable automatic stroke threading device according to claim 3, wherein the width of the groove is larger than the diameter of the lower portion of the socket head cap screw (3) and smaller than the diameter of the top portion of the socket head cap screw (3).
5. The lathe-readable automatic stroke tapping device according to claim 1, wherein the front peripheral wall and the rear peripheral wall of the taper shank tapping fixed cylinder (2) are respectively provided with two sets of threaded through holes with the same size and opposite positions.
6. The lathe-readable automatic stroke tapping device according to claim 1, wherein the taper shank tapping fixed cylinder (2) is provided with a scale in the middle.
7. The lathe-readable automatic stroke tapping device according to claim 1, wherein the tap tetragonal sleeve (4) is circular, and two sets of blind holes with the same size and opposite positions are formed in the end face of the tap tetragonal sleeve (4).
8. The lathe-readable automatic stroke threading device according to claim 1, wherein a square hole is formed in the middle of the square sleeve (4) of the tap.
9. The lathe-readable automatic stroke threading device according to claim 8, wherein the square hole is the same size as the tap (5).
10. The lathe readable automatic stroke threading device is characterized by comprising a taper shank clamp (1), a taper shank tapping fixing cylinder (2), an inner hexagon screw (3) and a threading die (6), wherein the taper shank tapping fixing cylinder (2) is connected with the taper shank clamp (1) through the inner hexagon screw (3); the threading die (6) is connected with the taper shank tapping fixing barrel (2) through an inner hexagon screw (3), and the threading die (6), a workpiece to be machined and a lathe spindle are coaxially arranged; the taper shank clamp (1) is fixed on a lathe tailstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628167.8A CN111906393A (en) | 2020-07-02 | 2020-07-02 | Readable automatic stroke tapping and threading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628167.8A CN111906393A (en) | 2020-07-02 | 2020-07-02 | Readable automatic stroke tapping and threading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111906393A true CN111906393A (en) | 2020-11-10 |
Family
ID=73227266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010628167.8A Pending CN111906393A (en) | 2020-07-02 | 2020-07-02 | Readable automatic stroke tapping and threading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111906393A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US189719A (en) * | 1877-04-17 | Improvement in taps and dies | ||
| CN2066780U (en) * | 1989-11-23 | 1990-12-05 | 武汉钢铁公司 | Combined automatic feeding threading device |
| 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 |
| CN201300267Y (en) * | 2008-11-20 | 2009-09-02 | 南阳二机石油装备(集团)有限公司 | Device for lather to quickly process small-diameter internal and external screws |
| CN201632725U (en) * | 2009-10-23 | 2010-11-17 | 浙江吉利汽车有限公司 | Tapping tool for lathe |
| CN201889564U (en) * | 2010-11-19 | 2011-07-06 | 重庆潍柴发动机厂 | Tapping assistant device |
| CN202655745U (en) * | 2012-05-15 | 2013-01-09 | 大连职业技术学院 | Reaming cutter bar for lathe |
| CN202780085U (en) * | 2012-07-27 | 2013-03-13 | 大连飞达重型机床制造有限公司 | Tapping clamp |
| CN203018863U (en) * | 2012-12-29 | 2013-06-26 | 重庆博森电气（集团）有限公司 | Lathe screw tap clamp |
| CN203265808U (en) * | 2013-05-14 | 2013-11-06 | 王爱学 | Tapping clamp |
| CN203526737U (en) * | 2013-09-03 | 2014-04-09 | 山西建邦集团有限公司 | Self-tapping mechanism of lathe |
| CN105081482A (en) * | 2015-07-13 | 2015-11-25 | 西北轴承股份有限公司 | Inner and outer triangular thread machining device of common lathe |
| CN205614146U (en) * | 2016-05-19 | 2016-10-05 | 攀钢集团工程技术有限公司 | Lathe cover thread tapper |
| CN205834396U (en) * | 2016-03-30 | 2016-12-28 | 广东特普丝精密工具有限公司 | Straight trough screw tap |
| CN206567636U (en) * | 2017-03-01 | 2017-10-20 | 南京机电职业技术学院 | A kind of lathe multi-functional tapping, threading clamp |
| 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 |
| CN210475760U (en) * | 2019-09-23 | 2020-05-08 | 山东高密高锻机械有限公司 | Threading device for lathe |
| CN212823186U (en) * | 2020-07-02 | 2021-03-30 | 山东齐鲁电机制造有限公司 | Readable automatic stroke tapping and threading device |
-
2020
- 2020-07-02 CN CN202010628167.8A patent/CN111906393A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US189719A (en) * | 1877-04-17 | Improvement in taps and dies | ||
| CN2066780U (en) * | 1989-11-23 | 1990-12-05 | 武汉钢铁公司 | Combined automatic feeding threading device |
| 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 |
| CN201300267Y (en) * | 2008-11-20 | 2009-09-02 | 南阳二机石油装备(集团)有限公司 | Device for lather to quickly process small-diameter internal and external screws |
| CN201632725U (en) * | 2009-10-23 | 2010-11-17 | 浙江吉利汽车有限公司 | Tapping tool for lathe |
| CN201889564U (en) * | 2010-11-19 | 2011-07-06 | 重庆潍柴发动机厂 | Tapping assistant device |
| CN202655745U (en) * | 2012-05-15 | 2013-01-09 | 大连职业技术学院 | Reaming cutter bar for lathe |
| CN202780085U (en) * | 2012-07-27 | 2013-03-13 | 大连飞达重型机床制造有限公司 | Tapping clamp |
| CN203018863U (en) * | 2012-12-29 | 2013-06-26 | 重庆博森电气（集团）有限公司 | Lathe screw tap clamp |
| CN203265808U (en) * | 2013-05-14 | 2013-11-06 | 王爱学 | Tapping clamp |
| CN203526737U (en) * | 2013-09-03 | 2014-04-09 | 山西建邦集团有限公司 | Self-tapping mechanism of lathe |
| CN105081482A (en) * | 2015-07-13 | 2015-11-25 | 西北轴承股份有限公司 | Inner and outer triangular thread machining device of common lathe |
| CN205834396U (en) * | 2016-03-30 | 2016-12-28 | 广东特普丝精密工具有限公司 | Straight trough screw tap |
| CN205614146U (en) * | 2016-05-19 | 2016-10-05 | 攀钢集团工程技术有限公司 | Lathe cover thread tapper |
| CN206567636U (en) * | 2017-03-01 | 2017-10-20 | 南京机电职业技术学院 | A kind of lathe multi-functional tapping, threading clamp |
| 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 |
| CN210475760U (en) * | 2019-09-23 | 2020-05-08 | 山东高密高锻机械有限公司 | Threading device for lathe |
| CN212823186U (en) * | 2020-07-02 | 2021-03-30 | 山东齐鲁电机制造有限公司 | Readable automatic stroke tapping and threading device |
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Application publication date: 20201110 |
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| RJ01 | Rejection of invention patent application after publication |