CN206028930U - Screw tap - Google Patents
Screw tap Download PDFInfo
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- CN206028930U CN206028930U CN201620994112.8U CN201620994112U CN206028930U CN 206028930 U CN206028930 U CN 206028930U CN 201620994112 U CN201620994112 U CN 201620994112U CN 206028930 U CN206028930 U CN 206028930U
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- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 abstract description 41
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 15
- 229910000851 Alloy steel Inorganic materials 0.000 description 6
- 229910000997 High-speed steel Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009966 trimming Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a screw tap, screw tap includes: a direction section for the direction, the one end of direction section links to each other with the one end of cutting part, a cutting part for cutting guide thread becomes, the other end of cutting part links to each other with the one end of calibration section, a calibration section for repairing thread form, the other end of calibration section links to each other with force application part, wherein, by direction section direction, by the cutting part is treated the processing screw hole and is carried out the tapping, makes screw tap's axis with wait to process the dead in line of screw hole, avoid the tapping not not just, so, utilize this screw tap to process out one section direction and behind the screw, can carry out the tapping to the screw hole in order to utilize ordinary screw tap, guarantee screw tap's axis and screw hole dead in line, avoid appearing the positive phenomenon of tapping.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a screw tap.
Background
The tap is a common tool for machining various medium and small-sized threaded holes. The novel machine tool is simple in structure, convenient to use, capable of being manually operated and working on a machine tool, and very wide in application in practical production. In particular, for small-sized internal threads, the tap is almost the only tool.
In the actual production, when the tap is used for manually tapping the threaded hole, the tapping of the threaded hole is often not correct due to the influences of the hole position, the clamping and positioning, the guide sleeve, the operation experience and other factors, and the possibility of the out-of-tolerance of the threaded hole is high due to the fact that the subsequent correction is not correct. Especially, for tapping operation of the threaded hole in the cambered surface at the position limited by the large-scale complex structural part, manual tapping is needed to be adopted because the threaded hole is not suitable for machine tapping, the coincidence of the axis of the cutter and the axis of the threaded hole is difficult to ensure, and a special tool is needed to ensure the processing quality. The increase of the number of the tools will increase the manufacturing cost of the product and also put more demands on production management. In addition, when the diameter of the threaded hole is small, the strength of the tap is low, the machine tapping tap is easy to break, and manual tapping is generally adopted. The manual operation processing quality is greatly influenced by the operation experience factors of operators, and the processing quality has instability and once influences the production efficiency.
Based on this, the utility model provides a screw tap to solve the above-mentioned problem among the prior art.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a problem to prior art existence, the embodiment of the utility model provides a screw tap for among the solution prior art, when being used for solving among the prior art to the structural screw hole of cambered surface or the less screw hole tapping of diameter, the axis of screw tap can not coincide with the screw hole axis, and then leads to the technical problem that the tapping is not normal.
The utility model provides a screw tap, the screw tap includes:
the guide section is used for guiding, and one end of the guide section is connected with one end of the cutting cone;
the cutting part is used for cutting and guiding thread formation, and the other end of the cutting part is connected with one end of the calibration section;
and the other end of the calibration section is connected with the force application part.
In the scheme, the length of the guide section is specifically 2-3 times of the diameter of the bottom hole of the threaded hole to be machined.
In the above scheme, the diameter of the guide sectionAnd d is the diameter of the bottom hole of the threaded hole to be processed.
In the above aspect, the force application member includes:
and one end of the connecting part is connected with the other end of the calibration section.
In the above aspect, the force application member further includes:
a handle portion, one end of the handle portion being connected to the other end of the connecting portion.
In the above aspect, the force application member further includes:
and one end of the square head is connected with the other end of the handle part.
In the above scheme, the other end of the guide section is provided with a chamfer.
In the above scheme, the cutting member is specifically a cutting cone.
In the above scheme, the tap further comprises: the one end of chip pocket flushes with the one end of direction section, the other end of chip pocket with the one end of connecting portion flushes.
In the above aspect, the chip flutes include four chip flutes.
The utility model provides a screw tap, the screw tap includes: the guide section is used for guiding, and one end of the guide section is connected with one end of the cutting cone; the cutting part is used for cutting and guiding thread formation, and the other end of the cutting part is connected with one end of the calibration section; the calibration section is used for trimming the thread profile, and the other end of the calibration section is connected with the force application part; the guide section guides the screw tap to be machined, and the cutting part taps the threaded hole to be machined, so that the axis of the screw tap is overlapped with the axis of the threaded hole to be machined, and the phenomenon of incorrect tapping is avoided; so, utilize this screw tap processing to go out one section direction screw thread after, can be in order to utilize ordinary screw tap to attack the screw hole, ensure the axis and the coincidence of screw hole axis of screw tap, avoid appearing the tapping just phenomenon.
Drawings
Fig. 1 is an overall structural schematic diagram of a screw tap according to an embodiment of the present invention.
Description of reference numerals:
1-a guide section; 2-a cutting member; 3-a calibration segment; 4-a connecting part; 5-a handle; 6-square head; 7-chip flutes.
Detailed Description
When the screw hole tapping of the screw hole or the less screw hole of diameter to ARC structure, can not coincide with the screw hole axis for the axis of solving the screw tap, and then lead to the technical problem that the tapping is not normal, the utility model provides a screw tap, the screw tap includes: the guide section is used for guiding, and one end of the guide section is connected with one end of the cutting cone; the cutting part is used for cutting and guiding thread formation, and the other end of the cutting part is connected with one end of the calibration section; the calibration section is used for trimming the thread profile, and the other end of the calibration section is connected with the force application part; the guide section guides the cutting part to tap the threaded hole to be machined, so that the axis of the screw tap is overlapped with the axis of the threaded hole to be machined, and the phenomenon that the tapping is not correct is avoided.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
Example one
The present embodiment provides a tap, as shown in fig. 1, comprising: the device comprises a guide section 1, a cutting part 2 and a calibration section 3; wherein,
one end of the guide section 1 is connected with one end of the cutting part 2, and the guide section 1 is used for guiding; here, because of guide section 1 needs certain length just can play the guide effect, the length of guide section 1 specifically is 2 ~ 3 times of waiting to process screw hole bottom hole diameter. The diameter of the guide section 1 is basically the same as the diameter of the bottom hole of the threaded hole to be processed, but a certain deviation exists, and the relationship between the diameter d1 of the guide section 1 and the diameter d of the threaded hole to be processed is shown in formula (1):
in addition, in order to facilitate the guide section 1 to enter the bottom hole of the threaded hole to be processed, the other end of the guide section 1 is also provided with a chamfer.
The other end of the cutting part 2 is connected with one end of the calibration section 3, and the cutting part 2 is used for tapping a threaded hole to be processed under the guiding effect of the guiding section 1 to guide the formation of threads. The cutting member 2 may be a cutting cone.
The other end of the calibration section 3 is connected with a force application part, and the calibration section 3 is used for trimming the thread profile of the thread in the tapping process. The material of the guide section 1, the cutting part 2 and the calibration section 3 can be high-speed steel or alloy steel.
Further, referring to fig. 1, the force application member includes: a connecting part 4, a handle part 5 and a square head 6; one end of the connecting part 4 is connected with the other end of the calibration section 3; one end of the handle part 5 is connected with the other end of the connecting part 4; one end of the square head 6 is connected with the other end of the handle part 5.
The connecting portion 4 may be embodied as a neck portion for transmitting a torque applied to the shank portion 5 to the cutting member 2, acting as a transitional coupling. The material of the connecting part 4, the handle part 5 and the square head 6 may be high-speed steel or alloy steel.
Here, in order to avoid crushing the thread surface when the tap is tapping, the tap further includes: the chip groove 7 and one end of the chip groove 7 are flush with one end of the guide section 1, and the other end of the chip groove 7 is flush with one end of the connecting part 4. In this way, a small number of chips can fall forward into the chip flutes 7 which are partially flush with the guide section 1, and the majority of the chips are discharged back from the neck. The chip flutes 7 may in particular comprise four.
In practical application, the guide section 1, the cutting part 2, the calibration section 3, the connecting part 4, the handle part 5, the square head 6 and the chip groove 7 can be integrally machined or can be formed by modifying a standard screw tap.
At specific during operation, can utilize earlier the utility model provides a screw tap treats processing screw hole and carries out the tapping, and alignment screw thread bottom hole processes out one section guiding thread, needs 2 ~ 3 screw threads at least, then utilizes ordinary screw tap edge guiding thread treats processing screw hole and carries out the tapping, makes the axis of screw tap with treat processing screw hole's axis coincidence, avoid appearing the phenomenon that the tapping is improper.
The screw tap that this embodiment provided utilizes the direction section to process one section direction screw thread after, can utilize ordinary screw tap to attack the screw hole, ensures the axis and the coincidence of screw hole axis of screw tap, avoids appearing the tapping phenomenon of being incorrect.
Example two
In this embodiment, when the part to be processed is the servo cabin casing subassembly of a certain model, need tap on the glass steel heat protection layer of servo cabin casing, and receive cabin body structure restriction, the internal operating space that lacks of cabin, need tap inwards from the cabin body is external, nevertheless from the internal screw bolt of installing of cabin outwards, the axiality requirement is high, consequently can utilize the screw tap that embodiment one provided to directly tap from the outer arc face, specifically as follows:
as shown in fig. 1, the tap includes: the device comprises a guide section 1, a cutting part 2 and a calibration section 3; wherein,
one end of the guide section 1 is connected with one end of the cutting part 2, and the guide section 1 is used for machining a guide thread; here, because of guide section 1 needs certain length just can play the guide effect, the length of guide section 1 specifically is 2 ~ 3 times of waiting to process screw hole bottom hole diameter. The diameter of the guide section 1 is basically the same as that of the threaded hole to be processed, but a certain deviation exists, and the relationship between the diameter d1 of the guide section 1 and the diameter d of the bottom hole of the threaded hole to be processed is shown in formula (1):
in addition, in order to facilitate the guide section 1 to enter the bottom hole of the threaded hole to be processed, the other end of the guide section 1 is also provided with a chamfer.
The other end of the cutting component 2 is connected with one end of the calibration section 3, and the cutting component 2 is used for tapping a threaded hole to be processed under the guiding and guiding effect of the guiding section 1; the cutting member 2 may particularly comprise a cutting cone.
The other end of the calibration section 3 is connected with a force application part, and the calibration section 3 is used for trimming the thread profile of the thread in the tapping process. The material of the guide section 1, the cutting part 2 and the calibration section 3 can be high-speed steel and alloy steel.
Further, referring to fig. 1, the force application member includes: a connecting part 4, a handle part 5 and a square head 6; one end of the connecting part 4 is connected with the other end of the calibration section 3; one end of the handle part 5 is connected with the other end of the connecting part 4; one end of the square head 6 is connected with the other end of the handle part 5.
The connecting portion 4 may be embodied as a neck portion for transmitting a torque applied to the shank portion 5 to the cutting member 2, acting as a transitional coupling. The material of the connecting part 4, the handle part 5 and the square head 6 can be high-speed steel or alloy steel.
Here, in order to avoid crushing the thread surface when the tap is tapping, the tap further includes: the chip groove 7 and one end of the chip groove 7 are flush with one end of the guide section 1, and the other end of the chip groove 7 is flush with one end of the connecting part 4. Thus, a small amount of chips can enter the chip groove 7 which is partially flush with the guide section 1 when falling forward, and the quality of the thread surface is improved. The chip flutes 7 may in particular comprise four.
In practical application, the guide section 1, the cutting part 2, the calibration section 3, the connecting part 4, the handle part 5, the square head 6 and the chip groove 7 can be integrally machined or can be formed by modifying a standard screw tap.
During specific work, the screw tap provided by the first embodiment can be used for tapping the outer arc surface of the servo cabin shell assembly, aligning the thread bottom hole, machining 3-thread guide threads, and then tapping the threaded hole to be machined by using the common screw tap along the guide threads, so that the axis of the screw tap coincides with the axis of the threaded hole to be machined, and the phenomenon of tapping wrongly is avoided.
The screw tap that this embodiment provided utilizes the direction section direction to process out one section direction screw thread on the arc surface after, can be in order to utilize ordinary screw tap to attack the screw hole, ensures the axis and the screw hole axis coincidence of screw tap, avoids appearing the tapping phenomenon incorrectly.
EXAMPLE III
In this embodiment, when waiting to process the screw hole that the subassembly is 2mm for the bottom outlet diameter to wait to process, screw tap intensity is lower, and the easy fracture during the tapping consequently can utilize the screw tap that embodiment one provided to treat to process the screw hole tapping, specifically as follows:
as shown in fig. 1, the tap includes: the device comprises a guide section 1, a cutting part 2 and a calibration section 3; wherein,
one end of the guide section 1 is connected with one end of the cutting part 2, and the guide section 1 is used for machining a guide thread; here, because of guide section 1 needs certain length just can play the guide effect, the length of guide section 1 specifically is 2 ~ 3 times of waiting to process screw hole bottom hole diameter. The diameter of the guide section 1 is basically the same as that of the threaded hole to be processed, but a certain deviation exists, and the relationship between the diameter d1 of the guide section 1 and the diameter d of the bottom hole of the threaded hole to be processed is shown in formula (1):
in addition, in order to facilitate the guide section 1 to enter the bottom hole of the threaded hole to be processed, the other end of the guide section 1 is also provided with a chamfer.
The other end of the cutting component 2 is connected with one end of the calibration section 3, and the cutting component 2 is used for tapping a threaded hole to be processed under the guiding action of the guiding section 1; the cutting member 2 may particularly comprise a cutting cone.
The other end of the calibration section 3 is connected with a force application part, and the calibration section 3 is used for trimming the thread profile of the thread in the tapping process. The material of the guide section 1, the cutting part 2 and the calibration section 3 can be high-speed steel or alloy steel.
Further, referring to fig. 1, the force application member includes: a connecting part 4, a handle part 5 and a square head 6; one end of the connecting part 4 is connected with the other end of the calibration section 3; one end of the handle part 5 is connected with the other end of the connecting part 4; one end of the square head 6 is connected with the other end of the handle part 5.
The connecting portion 4 may be embodied as a neck portion for transmitting a torque applied to the shank portion 5 to the cutting member 2, acting as a transitional coupling. The material of the connecting part 4, the handle part 5 and the square head 6 may be high-speed steel or alloy steel.
Here, in order to avoid crushing the thread surface when the tap is tapping, the tap further includes: the chip groove 7 and one end of the chip groove 7 are flush with one end of the guide section 1, and the other end of the chip groove 7 is flush with one end of the connecting part 4. In this way, a small number of chips can fall forward into the chip flutes 7 which are partially flush with the guide section 1, and the majority of the chips are discharged back from the neck. The chip flutes 7 may in particular comprise four.
In practical application, the guide section 1, the cutting part 2, the calibration section 3, the connecting part 4, the handle part 5, the square head 6 and the chip groove 7 can be integrally machined or can be formed by modifying a standard screw tap.
When the tapping machine works specifically, the tapping screw hole to be processed can be tapped by the tap provided by the first embodiment, the threaded bottom hole is aligned, 3 thread guide threads are processed, then the common tap is utilized to follow the thread guide threads to be processed tap the threaded hole to be processed, so that the axis of the tap coincides with the axis of the threaded hole to be processed, and the phenomenon of tapping error is avoided.
The screw tap that this embodiment provided utilizes the direction section direction to process out one section direction screw thread after, can attack the screw hole in order to utilize ordinary screw tap, ensures the axis and the coincidence of screw hole axis of screw tap, avoids appearing the tapping phenomenon just.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A tap, characterized in that said tap comprises:
the guide section is used for guiding, and one end of the guide section is connected with one end of the cutting part;
the cutting part is used for cutting and guiding thread formation, and the other end of the cutting part is connected with one end of the calibration section;
and the other end of the calibration section is connected with the force application part.
2. The tap according to claim 1 wherein the length of the guide section is in particular 2 to 3 times the diameter of the bottom hole of the threaded hole to be machined.
3. A tap according to claim 2 wherein said pilot section diameterAnd d is the diameter of the bottom hole of the threaded hole to be processed.
4. A tap according to claim 1 wherein said force applying means comprises:
and one end of the connecting part is connected with the other end of the calibration section.
5. The tap according to claim 4 wherein said force applying component further comprises:
a handle portion, one end of the handle portion being connected to the other end of the connecting portion.
6. The tap according to claim 5 wherein said force applying component further comprises:
and one end of the square head is connected with the other end of the handle part.
7. A tap according to claim 1 wherein the other end of said guide section is chamfered.
8. A tap according to claim 1 wherein said cutting member is in particular a cutting cone.
9. The tap according to claim 4 further comprising: the one end of chip pocket flushes with the one end of direction section, the other end of chip pocket with the one end of connecting portion flushes.
10. A tap according to claim 9 wherein said flutes comprise four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994112.8U CN206028930U (en) | 2016-08-30 | 2016-08-30 | Screw tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994112.8U CN206028930U (en) | 2016-08-30 | 2016-08-30 | Screw tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206028930U true CN206028930U (en) | 2017-03-22 |
Family
ID=58304418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994112.8U Active CN206028930U (en) | 2016-08-30 | 2016-08-30 | Screw tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206028930U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270827A (en) * | 2016-08-30 | 2017-01-04 | 湖北三江航天红阳机电有限公司 | A kind of screw tap |
| CN110340463A (en) * | 2019-08-19 | 2019-10-18 | 丹阳河工工具有限公司 | A kind of extruding tap that is easy to remove chips |
| CN114505550A (en) * | 2022-03-15 | 2022-05-17 | 江阴创博机械制造有限公司 | High-efficiency thread-returning screw tap |
-
2016
- 2016-08-30 CN CN201620994112.8U patent/CN206028930U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270827A (en) * | 2016-08-30 | 2017-01-04 | 湖北三江航天红阳机电有限公司 | A kind of screw tap |
| CN110340463A (en) * | 2019-08-19 | 2019-10-18 | 丹阳河工工具有限公司 | A kind of extruding tap that is easy to remove chips |
| CN114505550A (en) * | 2022-03-15 | 2022-05-17 | 江阴创博机械制造有限公司 | High-efficiency thread-returning screw tap |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |