CN215090770U - Concentric circle processing flexible clamping jaw - Google Patents
Concentric circle processing flexible clamping jaw Download PDFInfo
- Publication number
- CN215090770U CN215090770U CN202121171742.2U CN202121171742U CN215090770U CN 215090770 U CN215090770 U CN 215090770U CN 202121171742 U CN202121171742 U CN 202121171742U CN 215090770 U CN215090770 U CN 215090770U
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- China
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- jaw body
- hole
- horn mouth
- jack catch
- jaw
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Abstract
The utility model discloses a concentric circle processing flexible clamping jaw, which comprises a clamping jaw body and a pressure bar; a through hole is formed in the jaw body, internal threads are formed at the rear part of the through hole of the jaw body, a horn mouth is formed at the front part of the through hole of the jaw body, a plurality of grooves are uniformly formed in the front end surface of the horn mouth at intervals, and the grooves divide the horn mouth at the front end of the jaw body into a plurality of jaws; one end of the pressure lever is provided with an external thread, and the other end is provided with a conical head; during the use, during the depression bar inserted the internal through-hole of jack catch, the external screw thread of depression bar and the internal thread threaded connection of the jack catch body, the centrum and the horn mouth in close contact with of conical head. The utility model discloses utilize depression bar and jack catch body fit, the jack catch that expands makes automatic alignment, and the alignment is convenient, has reduced the alignment degree of difficulty, has improved machining efficiency and precision, and then improves the life-span of wheel body and the stationarity of digging machine walking.
Description
Technical Field
The utility model relates to a jack catch, concretely relates to concentric circles processing flexible jack catch.
Background
the excavator walking device comprises a thrust wheel, a carrier wheel, a guide wheel and the like, wherein the two ends of the wheel body of the wheels are provided with concentric circles, the concentricity requirement of the concentric circles at the two ends is higher, the precision directly influences the service life of the wheel body and the walking stability of the excavator, and the importance of the concentricity of the concentric circles at the two ends of the wheel body can be seen. The existing method for processing the concentric circles on the wheel body basically processes one end concentric circle firstly, and then processes the concentric circles according to the reference alignment of the first end concentric circle when the other end concentric circle is processed.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a concentric circles processing flexible jack catch makes things convenient for the alignment, and concentric circles machining efficiency is high, and the concentricity is high.
In order to achieve the above object, the utility model provides a following technical scheme: a concentric processing flexible claw comprises a claw body and a pressure lever; a through hole is formed in the jaw body, internal threads are formed at the rear part of the through hole of the jaw body, a horn mouth is formed at the front part of the through hole of the jaw body, a plurality of grooves are uniformly formed in the front end surface of the horn mouth at intervals, and the grooves divide the horn mouth at the front end of the jaw body into a plurality of jaws; one end of the pressure lever is provided with an external thread, and the other end is provided with a conical head; during the use, during the depression bar inserted the internal through-hole of jack catch, the external screw thread of depression bar and the internal thread threaded connection of the jack catch body, the centrum and the horn mouth in close contact with of conical head.
Furthermore, six grooves are formed in the groove, and six clamping jaws are separated from a horn mouth at the front end of the clamping jaw body.
Furthermore, a nut head is arranged at the radial outer end of the conical head.
Compared with the prior art, the utility model discloses utilize depression bar and jack catch body fit, the jack catch that expands makes automatic alignment, and the alignment is convenient, has reduced the alignment degree of difficulty, has improved machining efficiency and precision, and then improves the life-span of wheel body and the stationarity of digging the machine walking.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in use;
FIG. 2 is a schematic view of the jaw body;
FIG. 3 is a jaw side view;
FIG. 4 is a schematic view of the structure of the pressure lever;
in the figure: 1. the clamping jaw comprises a clamping jaw body, 1.1 internal threads, 1.2 grooves, 1.3 clamping jaws, 1.4 bell mouths, 2 compression bars, 2.1 external threads, 2.2 conical heads, 3 workpieces, 3.1 first concentric circles, 3.2 second concentric circles.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a technical solution: comprises a jaw body 1 and a pressure lever 2; as shown in fig. 2 and 3, a through hole is formed in the jaw body 1, an internal thread 1.1 is formed at the rear part of the through hole of the jaw body 1, a bell mouth 1.4 is formed at the front part of the through hole of the jaw body 1, a plurality of grooves 1.2 are formed on the front end surface of the bell mouth 1.4 at uniform intervals, and the bell mouth 1.4 at the front end of the jaw body 1 is divided into a plurality of jaws 1.3 by the grooves 1.2.
As shown in fig. 4, one end of the pressure lever 2 is provided with an external thread 2.1, and the other end is provided with a conical head 2.2; as shown in fig. 1, when in use, the pressure lever 2 is inserted into the through hole in the jaw body 1, the external thread 2.1 of the pressure lever 2 is in threaded connection with the internal thread 1.1 of the jaw body 1, and the cone of the cone head 2.2 is in close contact with the bell mouth 1.4; in order to conveniently screw the pressing rod 2, the nut head is arranged at the radial outer end of the conical head 2.2, the purpose of screwing the pressing rod 2 is achieved through the nut head, when the pressing rod 2 is screwed to the front end of the jaw body 1, the conical body of the conical head 2.2 outwards props the jaw 1.3, and when the pressing rod is screwed reversely, the jaw 1.3 can be restored to the original state.
When the clamping jaw is used, as shown in figure 1, the rear end of a clamping jaw body 1 is matched and fixedly arranged with a main shaft of a machine tool, a workpiece 3 is arranged on and sleeved on the clamping jaw body 1, a first concentric circle 3.1 is matched with the excircle of the clamping jaw 1.3, an external thread 2.1 of a compression rod 2 is screwed into an internal thread 1.1 of the clamping jaw body 1, the compression rod 2 is screwed, a conical head 2.2 on the compression rod 2 is matched with a bell mouth 1.4 at the end part of the clamping jaw body 1, the compression rod 2 is tightened by applying force to expand the clamping jaw 1.3, the clamping jaw 1.3 uniformly expands, the excircle of the outer circle supports the first concentric circle 3.1 of the workpiece 3, and then a second concentric circle 3.2 is processed. After the processing is finished, the pressing rod 2 is reversely screwed and disassembled, the workpiece 3 is mounted in a turning way, the second concentric circle 3.2 is matched with the excircle of the clamping jaw 1.3, the external thread 2.1 of the pressing rod 2 is screwed into the internal thread 1.1 of the clamping jaw body 1, the pressing rod 2 is screwed, the conical head 2.2 on the pressing rod 2 is matched with the bell mouth 1.4 at the end part of the clamping jaw body 1, the pressing rod 2 is tightened to enable the clamping jaw 1.3 to expand, the clamping jaw 1.3 uniformly expands, the excircle of the clamping jaw supports the second concentric circle 3.2 of the workpiece 3, then the first concentric circle 3.1 is processed, and the processing is finished, so that the first concentric circle 3.1 and the second concentric circle 3.2 of the workpiece 3 are guaranteed to be concentric to meet the requirements.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (3)
1. The utility model provides a concentric circles processing flexible jack catch which characterized in that: comprises a jaw body (1) and a pressure lever (2);
a through hole is formed in the jaw body (1), internal threads (1.1) are formed at the rear part of the through hole of the jaw body (1), a horn mouth (1.4) is formed at the front part of the through hole of the jaw body (1), a plurality of grooves (1.2) are uniformly formed in the front end face of the horn mouth (1.4) at intervals, and the horn mouth (1.4) at the front end of the jaw body (1) is divided into a plurality of jaws (1.3) by the grooves (1.2);
one end of the pressure lever (2) is provided with an external thread (2.1), and the other end is provided with a conical head (2.2);
during the use, in the through-hole in the depression bar (2) inserted jack catch body (1), external screw thread (2.1) and the internal thread (1.1) threaded connection of jack catch body (1) of depression bar (2), the centrum and the horn mouth (1.4) in close contact with of conical head (2.2).
2. A concentric machining flexible jaw according to claim 1, characterized in that: six grooves (1.2) are formed to divide a horn mouth (1.4) at the front end of the jaw body (1) into six jaws (1.3).
3. A concentric machining flexible jaw according to claim 1, characterized in that: the outer end of the conical head (2.2) in the radial direction is provided with a nut head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171742.2U CN215090770U (en) | 2021-05-28 | 2021-05-28 | Concentric circle processing flexible clamping jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121171742.2U CN215090770U (en) | 2021-05-28 | 2021-05-28 | Concentric circle processing flexible clamping jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215090770U true CN215090770U (en) | 2021-12-10 |
Family
ID=79301095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121171742.2U Active CN215090770U (en) | 2021-05-28 | 2021-05-28 | Concentric circle processing flexible clamping jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215090770U (en) |
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2021
- 2021-05-28 CN CN202121171742.2U patent/CN215090770U/en active Active
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