CN102500844A - Screw tap positioning device - Google Patents
Screw tap positioning device Download PDFInfo
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- CN102500844A CN102500844A CN201110365078XA CN201110365078A CN102500844A CN 102500844 A CN102500844 A CN 102500844A CN 201110365078X A CN201110365078X A CN 201110365078XA CN 201110365078 A CN201110365078 A CN 201110365078A CN 102500844 A CN102500844 A CN 102500844A
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- screw tap
- mounting hole
- handle
- hole
- pin
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Abstract
The invention discloses a screw tap positioning device, which comprises a body (1). An inserting hole (11) is arranged on the body, a handle (21) of a screw tap (2) is inserted at the front end of the inserting hole, a positioning structure is disposed between the body and the screw tap, the screw tap is peripherally positioned by the positioning structure, an elastic device (12) is arranged in the inserting hole, and after being stressed, the elastic device (12) pushes the screw tap to axially move outwards along the inserting hole. After the screw tap is positioned by the positioning structure, the screw tap can be axially pushed assuredly under the action of the elastic device, tension on the screw tap during thread machining is buffered and adjusted, the screw tap is effectively protected, and simultaneously, machining precision of threads is improved.
Description
Technical field
The present invention relates to a kind of screw tap positioner.
Background technology
Screw tap is the cutter a kind of commonly used that is used for machining internal thread; The positioner that on lathe, is equipped with a screw tap carries out screw thread and adds man-hour; Being different from hand tapping can adjust at the screw tap tension force that the screw tap tapping process produces, and can only carry out rigid tapping on the lathe, like this in the process of machining screw; Screw tap is had wearing and tearing, can influence the precision of screw thread processing simultaneously.
Summary of the invention
The technical problem that the present invention will solve provides a kind of screw tap positioner, can be injury-free at screw thread process protection screw tap, improve the precision of machining screw simultaneously.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is a kind of screw tap positioner; Comprise body, body is provided with mounting hole, and the handle of screw tap is installed on the mounting hole front end; Be provided with the location structure of circumferential location screw tap between body and the screw tap, be provided with the elastic device that pressurized pusher movable wire awl moves in the said mounting hole outside mounting hole is axial.Screw tap is positioned behind the structure location, under the elastic device effect, can keep screw tap by the performance that axially promotes; In the process of machining screw; Tension force to screw tap produces has been brought into play the effect that buffering is adjusted, and has effectively protected screw tap, has improved the machining accuracy of screw thread simultaneously.
Preferably, said mounting hole is a through hole, and the rear end of body is provided with the baffle plate that mounting hole is sealed, and said elastic device one end is against on the baffle plate, and the other end is against on the handle.The convenient processing of through hole, and easy access.
Preferably, said mounting hole is a blind hole, and said elastic device one end is against on the mounting hole inner face, and the other end is against on the handle.Blind hole structure is simple, and installation step is easy.
Preferably, said elastic device is a spring, and the length of spring under free state is less than 2/3 of the length of mounting hole.Spring is a standard component, and processing cost is low, and stable performance, and the length under the spring free state is installed on the stability in the mounting hole less than 2/3 of mounting hole to guarantee screw tap.
Preferably; Said location structure comprises the axial slices that is located at the handle rear end and is located at the alignment pin in the body; Be provided with the pin-and-hole that installs alignment pin in the body, alignment pin passes the anchor ring that pin-and-hole makes alignment pin and is against on the axial slices, the axis of pin-and-hole not with the parallel axes of mounting hole.Axial slices is established in the handle rear end, alignment pin and axial slices against the time, can circumferentially locate screw tap; When simultaneously handle is established axial slices, can form a step at the clearing end of axial slices, alignment pin is when tangent plane moves to the clearing end of axial slices vertically, and screw tap will be axially located.
Preferably, said location structure comprises the axial groove that is located at the handle rear end and is located at the alignment pin in the body, and be provided with the pin-and-hole that installs alignment pin in the body, alignment pin passes pin-and-hole is stuck in the axial groove alignment pin, the axis of pin-and-hole not with the parallel axes of mounting hole.If axial groove, the anchor ring that inserts alignment pin and alignment pin in the axial groove and the two side of groove against, can more stablize the circumferential location of realization to screw tap.
Preferably, said location structure comprises handle and mounting hole, and the cross section of said handle is a polygon, and the cross section of said mounting hole is identical with the cross section of handle.Mounting hole is designed to polygon, and the cross section correspondence of handle is made as identical polygon, and such structure that installs is comparatively simple, and simple operating steps, can effectively realize again the circumferential function of location of screw tap.
The present invention adopts a kind of screw tap positioner; Its beneficial effect is: screw tap is positioned behind the structure location, under the elastic device effect, can keep screw tap by the performance that axially promotes; In the process of machining screw; Tension force to screw tap produces has been brought into play the effect that buffering is adjusted, and has effectively protected screw tap, has improved the machining accuracy of screw thread simultaneously.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified:
Fig. 1 is the structural representation of first kind of embodiment of the present invention;
Fig. 2 is the structural representation of second kind of embodiment of the present invention;
Fig. 3 is the structural representation of the third embodiment of the present invention;
Fig. 4 is the structural representation of Fig. 2 plug tap;
Fig. 5 is along the cutaway view of I-I among Fig. 3.
The specific embodiment
Embodiment one:
As shown in Figure 1, said a kind of screw tap positioner comprises body 1; Body is provided with mounting hole 11, and the handle 21 of screw tap 2 is installed on the mounting hole front end, is provided with the location structure of circumferential location screw tap between body and the screw tap; Be provided with elastic device 12 in the said mounting hole; Elastic device pressurized pusher movable wire awl moves outside mounting hole is axial, the machining screw process, and the tension force that screw tap itself produces is able to alleviate under the elastic force effect of elastic device.
In the present embodiment, said mounting hole 11 is a through hole, and the rear end of body is provided with the baffle plate that mounting hole is sealed, and said elastic device one end is against on the baffle plate 3, and the other end is against on the handle 21.Said mounting hole also can be a blind hole, and said elastic device one end is against on the mounting hole inner face, and the other end is against on the handle.
In the present embodiment, said location structure comprises the axial slices 211 that is located at handle 21 rear ends and is located at the alignment pin 14 in the body that the anchor ring of alignment pin and axial slices 211 lean; Be provided with the pin-and-hole 13 that installs alignment pin in the body; The axis of pin-and-hole not with the parallel axes of mounting hole, screw tap and mounting hole engagement process, the axial slices part of the handle of screw tap and the anchor ring of pin against; Accomplish circumferentially location, screw tap can be by axial promotion under the elastic device effect.
Embodiment two:
Like Fig. 2, shown in Figure 4; Present embodiment and embodiment one difference are; The location structure of said circumferential location screw tap is: handle is provided with axial groove 212; When alignment pin inserts in the axial groove 212 two side of the anchor ring of alignment pin and axial groove against, realization is to the circumferential location of screw tap, screw tap can be by axial promotion under the elastic device effect.
Embodiment three:
Like Fig. 3, shown in Figure 5, be that with above-mentioned two kinds of embodiment differences the cross section of said mounting hole is square; The cross section of handle is consistent with the cross section of mounting hole size; Handle is packed into behind the mounting hole, and handle can not rotate with respect to mounting hole, accomplishes the circumferential location to screw tap.The cross section of said handle can also can be triangle or other polygons for quadrangles such as square, rhombuses, and the mounting hole cross section is identical with the cross section of handle, simultaneously the use of cancellation pin.
Among the foregoing description two and the embodiment three, the said mounting hole that is located on the body both can be through hole as shown in Figure 1, and the rear end of body is provided with the baffle plate that mounting hole is sealed, and said elastic device one end is against on the baffle plate 3, and the other end is against on the handle 21; The said mounting hole that is located on the body both can be blind hole as shown in Figure 2, and said elastic device one end is against on the mounting hole inner face, and the other end is against on the handle.
Among above-mentioned all embodiment, said elastic device 12 is a spring, and the length of spring under free state is less than 2/3 of the length of mounting hole, and promptly handle can install into 1/3 place of mounting hole under the spring free state, comparatively stably is installed in the mounting hole.
Except that above-mentioned preferred embodiment; The handle of screw tap is installed on the mounting hole front end, is provided with the location structure of circumferential location screw tap between body and the screw tap, establishes spring in the said mounting hole; Mounting hole can freely contact with the connected mode of handle to spring, also can directly weld and fix or connect and fix.
Except that the foregoing description, the present invention also has other embodiment, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of accompanying claims of the present invention.
Claims (7)
1. screw tap positioner; Comprise body (1); Body is provided with mounting hole (11); The handle (21) of screw tap (2) is installed on the mounting hole front end, is provided with the location structure of circumferential location screw tap between body and the screw tap, it is characterized in that: be provided with the elastic device (12) that pressurized pusher movable wire awl moves outside mounting hole is axial in the said mounting hole.
2. a kind of screw tap positioner according to claim 1 is characterized in that: said mounting hole (11) is a through hole, and the rear end of body is provided with the baffle plate that mounting hole is sealed, and said elastic device one end is against on the baffle plate (3), and the other end is against on the handle (21).
3. a kind of screw tap positioner according to claim 1 is characterized in that: said mounting hole (11) is a blind hole, and said elastic device one end is against on the mounting hole inner face, and the other end is against on the handle (21).
4. according to claim 1,2 or 3 described a kind of screw tap positioners, it is characterized in that: said elastic device (12) is a spring, and the length of spring under free state is less than 2/3 of the length of mounting hole.
5. according to claim 1,2 or 3 described a kind of screw tap positioners; It is characterized in that: said location structure comprises the axial slices (211) that is located at handle (21) rear end and is located at the alignment pin (14) in the body; Be provided with the pin-and-hole (13) that installs alignment pin in the body; Alignment pin passes the anchor ring that pin-and-hole makes alignment pin and is against on the axial slices (211), the axis of pin-and-hole not with the parallel axes of mounting hole.
6. according to claim 1,2 or 3 described a kind of screw tap positioners; It is characterized in that: said location structure comprises the axial groove (212) that is located at the handle rear end and is located at the alignment pin in the body; Be provided with the pin-and-hole (13) that installs alignment pin in the body; Alignment pin passes pin-and-hole is stuck in the axial groove alignment pin, the axis of pin-and-hole not with the parallel axes of mounting hole.
7. according to claim 1,2 or 3 described a kind of screw tap positioners, it is characterized in that: said location structure comprises handle and mounting hole, and the cross section of said handle is a polygon, and the cross section of said mounting hole is identical with the cross section of handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110365078XA CN102500844A (en) | 2011-11-17 | 2011-11-17 | Screw tap positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110365078XA CN102500844A (en) | 2011-11-17 | 2011-11-17 | Screw tap positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102500844A true CN102500844A (en) | 2012-06-20 |
Family
ID=46213009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110365078XA Pending CN102500844A (en) | 2011-11-17 | 2011-11-17 | Screw tap positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102500844A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058389Y (en) * | 2007-08-08 | 2008-05-14 | 扬州大学 | Lathe multi-use elastic float tapping bolt die device |
| CN201168888Y (en) * | 2008-03-12 | 2008-12-24 | 许晓华 | Auxiliary clamping tooling for tapping hole |
| CN201261096Y (en) * | 2008-08-26 | 2009-06-24 | 杭州速能机械有限公司 | Floating thread tapper |
| CN201586803U (en) * | 2009-11-26 | 2010-09-22 | 天津银河阀门有限公司 | Overthreading screw tap capable of self-adjusting concentricity with internal threads |
| CN201862874U (en) * | 2010-10-26 | 2011-06-15 | 南京数控机床有限公司 | Floating tapping device for numerically controlled lathe |
| CN202037385U (en) * | 2011-04-15 | 2011-11-16 | 湘潭电机股份有限公司 | Engine-driven tapping tool for boring mill |
| CN202317319U (en) * | 2011-11-17 | 2012-07-11 | 许晓华 | Screw tap locating device |
-
2011
- 2011-11-17 CN CN201110365078XA patent/CN102500844A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058389Y (en) * | 2007-08-08 | 2008-05-14 | 扬州大学 | Lathe multi-use elastic float tapping bolt die device |
| CN201168888Y (en) * | 2008-03-12 | 2008-12-24 | 许晓华 | Auxiliary clamping tooling for tapping hole |
| CN201261096Y (en) * | 2008-08-26 | 2009-06-24 | 杭州速能机械有限公司 | Floating thread tapper |
| CN201586803U (en) * | 2009-11-26 | 2010-09-22 | 天津银河阀门有限公司 | Overthreading screw tap capable of self-adjusting concentricity with internal threads |
| CN201862874U (en) * | 2010-10-26 | 2011-06-15 | 南京数控机床有限公司 | Floating tapping device for numerically controlled lathe |
| CN202037385U (en) * | 2011-04-15 | 2011-11-16 | 湘潭电机股份有限公司 | Engine-driven tapping tool for boring mill |
| CN202317319U (en) * | 2011-11-17 | 2012-07-11 | 许晓华 | Screw tap locating device |
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Application publication date: 20120620 |