CN220636348U - Chuck extension jack catch, chuck and lathe - Google Patents
Chuck extension jack catch, chuck and lathe Download PDFInfo
- Publication number
- CN220636348U CN220636348U CN202322249448.4U CN202322249448U CN220636348U CN 220636348 U CN220636348 U CN 220636348U CN 202322249448 U CN202322249448 U CN 202322249448U CN 220636348 U CN220636348 U CN 220636348U
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 description 16
- 230000008093 supporting effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a chuck lengthening jaw, which relates to the technical field of lathe clamping pieces and comprises a standard jaw, a jaw lengthening section and a fastening mechanism for fixing the jaw lengthening section on the standard jaw, wherein the length of one side of the jaw lengthening section for clamping a workpiece is not less than 90mm; a chuck and a lathe are also provided. The clamping jaw has the advantages that the problem that in the prior art, the clamping jaw is limited in clamping length and can not clamp a workpiece exceeding the clamping length, so that the clamping jaw can not clamp and process the workpiece can be solved.
Description
Technical Field
The utility model relates to the technical field of lathe clamping pieces, in particular to a chuck lengthening claw, a chuck and a lathe.
Background
The workpiece is clamped in the claw of the chuck, and then turning is carried out by a lathe, so that the common chuck is provided with a three-claw chuck, a four-claw chuck and the like, and accordingly, the claw firmly clamps the workpiece, so that the workpiece is one of main influencing factors for ensuring the machining precision. For example: the maximum clamping length of the standard chuck of the existing 630 lathe is 70mm, and clamping is carried out on a spiral bevel gear with the length from the small-end tooth top to the large-end tooth top of more than 90mm by adopting a claw on the chuck, so that the problem of difficult clamping exists when the end face of the spiral bevel gear is processed; for this clamping problem, when spiral bevel gear has or can install the axle and form the gear shaft, the mode of accessible centre gripping axle carries out centre gripping installation, but when this spiral bevel gear does not have and also can't install the axle and form the gear shaft, just can't adopt this jack catch to carry out the clamping, need change corresponding model chuck, increase cost.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a chuck lengthening jaw, a chuck and a lathe, which can solve the problems that in the prior art, the clamping length of the jaw is limited, a workpiece exceeding the length can not be clamped, and further the clamping and the processing can not be carried out.
In one aspect, according to an embodiment of the present utility model, a chuck extension jaw includes a standard jaw, and further includes a jaw extension section having a length of not less than 90mm on a side for clamping a workpiece, and a fastening mechanism for fastening the jaw extension section to the standard jaw.
Preferably, the standard claw is provided with a first threaded hole, and the claw lengthening section is provided with a first through hole communicated with the first threaded hole in a penetrating manner; the fastening mechanism includes a first bolt passing through the first through hole and threadedly coupled to the first threaded hole.
Preferably, the standard claw is provided with a second threaded hole, and the claw lengthening section is provided with a second through hole communicated with the second threaded hole in a penetrating way; the fastening mechanism further comprises a second bolt which passes through the second through hole and is connected with the second threaded hole in a threaded mode.
Preferably, the arrangement direction of the first threaded hole and the second threaded hole is perpendicular to the side face of the jaw lengthening section for clamping the workpiece.
Preferably, the fastening mechanism further comprises a clamping groove and a clamping block which is adaptive to the clamping groove, the clamping groove is formed in a standard clamping jaw, and the clamping block is arranged on the lengthening section of the clamping jaw.
Preferably, the grooves of the clamping grooves are parallel to the side surfaces of the lengthening sections of the clamping jaws for clamping the workpiece.
Preferably, the clamping groove is a dovetail groove or a stepped groove and is formed on one side of the standard clamping jaw, which is abutted against the lengthening section of the clamping jaw.
Preferably, one side of the jaw lengthening section, which is used for clamping the workpiece, of the standard jaw is an arc-shaped surface, and the two arc-shaped surfaces are the same as the central axis.
In another aspect, there is also provided, in accordance with an embodiment of the present utility model, a chuck including a plurality of chuck extension jaws.
In another aspect, according to an embodiment of the present utility model, there is also provided a lathe including a chuck.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
the clamping jaw lengthening section is installed on the outer side of the standard clamping jaw through the fastening mechanism, so that the length of the whole clamping jaw is prolonged, the clamping action of a workpiece with a longer length is achieved, a corresponding chuck is not required to be replaced, even a machine tool is not required to be replaced, the cost is reduced, the problem that in the prior art, the clamping jaw clamping length is limited, the workpiece with the length exceeding the length can not be clamped, clamping and machining can not be carried out is solved, and meanwhile the machining capacity of equipment is improved.
Drawings
FIG. 1 is a schematic overall construction of one embodiment of the present utility model;
FIG. 2 is a schematic view of a standard clamping jaw according to an embodiment of the utility model, wherein the lower view is a top view of the upper view;
FIG. 3 is a schematic view of the structure of the jaw extension of an embodiment of the utility model;
FIG. 4 is a schematic overall construction of another embodiment of the present utility model;
fig. 5 is a schematic view of the structure of the chuck with counterbore of the present utility model.
In the above figures: 1. a standard claw; 11. a first threaded hole; 12. a second threaded hole; 13. a clamping groove; 2. a jaw extension; 21. a first through hole; 22. a second through hole; 23. a clamping block; 3. a first bolt; 4. a second bolt; 5. a clamping section; 6. and a support section.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be further described with reference to fig. 1 to 4; a technical solution in the embodiments of the present utility model will be clearly and completely described, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2 and 3, in one aspect, an embodiment of the present utility model proposes a chuck lengthening jaw to implement a clamping action on a workpiece (e.g., a jaw with a length of a spiral bevel gear with a length of 90mm being greater than a maximum clamping length of 70 mm) with a length exceeding the length of an original standard jaw 1 when the chuck lengthening jaw is mounted on a lathe chuck.
Specifically, in the embodiment of the utility model, the chuck lengthening claw comprises a standard claw 1, a claw lengthening section 2 and a fastening mechanism; the standard jaw 1 is the original structure of the jaw on the chuck, which is not described in detail here. The jack catch extension section 2 sets up in the outside of standard jack catch 1 to realize the installation through fastening mechanism, install jack catch extension section 2 in standard jack catch 1, and then realize the extension of whole jack catch, and in this embodiment, the length that jack catch extension section 2 is used for the one side of centre gripping work piece is not less than 90mm, in order to guarantee to carry out the clamping to the spiral bevel gear that length is 90mm.
When the spiral bevel gear with the length of 90mm is clamped, the clamping jaw lengthening section 2 is only required to be installed on the standard clamping jaw 1 by using the fastening mechanism, a corresponding chuck is not required to be replaced, even a machine tool is not required to be replaced, the cost is reduced, the problem that in the prior art, the clamping length of the clamping jaw is limited, a workpiece exceeding the length can not be clamped, and further the clamping and processing can not be carried out is solved.
In the embodiment of the utility model, the outer end of the standard claw 1 (the end which is arranged with the claw extension section 2) is in a ladder shape. The jaw lengthening section 2 is L-shaped and comprises a clamping section 5 and a supporting section 6 fixed on the clamping section 5, wherein the clamping section 5 and the supporting section 6 are positioned at different step surfaces of the standard jaw 1.
The clamping section 5 is a section for clamping a workpiece and is horizontal (in fig. 1); the supporting section 6 is fixed on one side of the clamping section 5 away from the clamping side of the clamping section, and is positioned at one end of the clamping section 5 close to the standard clamping jaw 1 and is vertical (refer to figure 1); so that the supporting effect of the holding section 5 is formed by the supporting section 6 when the workpiece is held by the holding section 5.
In one embodiment, one side of the jaw lengthening section 2 and one side of the standard jaw 1, which are used for clamping a workpiece, are arc-shaped surfaces, and the two arc-shaped surfaces are coaxial with the central axis, so that the axis of the workpiece after being clamped is coaxial with the axis of the workpiece after being clamped by the standard jaw main body 1.
In one embodiment, the clamping surface of the jaw extension 2 and the clamping surface of the standard jaw 1 are the same curved surface, so that the workpiece can be clamped by the clamping surface and the clamping surface simultaneously.
In one embodiment, the clamping surface spacing of the plurality of jaw extensions 2 is greater than the clamping surface spacing of the plurality of standard jaws 1 to effect a clamping action on a larger sized workpiece.
Referring to fig. 1, 2 and 3, in one embodiment, the standard jaw 1 is provided with a first threaded hole 11, and the jaw extension 2 is provided with a first through hole 21 communicating with the first threaded hole 11;
in this embodiment, the fastening mechanism comprises a first bolt 3 which passes through a first through hole 21 and is screwed into a first threaded hole 11, the first bolt 3 being a countersunk bolt, so that the connection of the standard jaw 1 and the jaw extension 2 is achieved by the first bolt 3.
Further, in one embodiment, the standard jaw 1 is provided with a second threaded hole 12, and the jaw extension 2 is provided with a second through hole 22 communicated with the second threaded hole 12;
the fastening mechanism further comprises a second bolt 4 which passes through the second through hole 22 and is in threaded connection with the second threaded hole 12, and the second bolt 4 is a countersunk bolt so as to further enhance the connection strength and stability of the standard jaw 1 and the jaw extension 2 through the second bolt 4.
In the above embodiment, the first through hole 21 is penetratingly provided on the clamping section 5, and the second through hole 22 is penetratingly provided on the supporting section 6, so that the arrangement direction of the first threaded hole 11 and the second threaded hole 12 is perpendicular to the side surface of the jaw extension section 2 for clamping the workpiece, so that the stability of the jaw extension section 2 is ensured by the fastening of the first bolt 3 and the second bolt 4 when the workpiece is clamped by the clamping section 5.
Further, in one embodiment, the fastening mechanism further includes a clamping groove 13 and a clamping block 23 adapted to the clamping groove 13, the clamping groove 13 is opened on the standard jaw 1, and the clamping block 23 is disposed on the clamping section 5 of the jaw extension section 2, so as to enhance the connection strength between the standard jaw 1 and the jaw extension section 2 in a manner that the clamping block 23 is inserted into the clamping groove 13.
In this embodiment, the clamping groove 13 is a dovetail groove or a stepped groove, and is formed on one side of the standard jaw 1 abutting against the jaw extension section 2, so as to ensure that the jaw extension section 2 cannot be directly separated from the standard jaw 1 after the first bolt 3 and the second bolt 4 are removed.
In this embodiment, the slot direction of the clamping slot 13 is parallel to the side surface of the jaw extension section 2 for clamping the workpiece, and the supporting function of the stressed clamping section 5 is indirectly formed through the slot wall of the clamping slot 13.
In one embodiment, the clamping groove 13 penetrates the standard jaw 1 in one of the directions of the groove to form a limit effect on the sliding installation of the clamping block 23 through the groove wall which is not penetrated in the other direction.
Of course, in one embodiment, the clamping groove 13 extends through the standard jaw 1 in both directions along its groove direction (see fig. 2).
On the other hand, the embodiment of the utility model also provides a chuck, which comprises the chuck lengthening claw and also comprises three chucks when the chuck is a three-jaw chuck, and four chucks when the chuck is a four-jaw chuck.
Referring to fig. 4 and 5, in one embodiment, the chuck mounting chuck lengthens the counterbore on one side of the jaws to facilitate insertion of a longer length workpiece.
On the other hand, the embodiment of the utility model also provides a lathe which comprises the chuck, wherein a plurality of chuck lengthening claws are arranged on the chuck.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a chuck extension jack catch, includes standard jack catch (1), its characterized in that still includes jack catch extension section (2) and is used for fixing the fastening mechanism on standard jack catch (1) with jack catch extension section (2), the length of one side that jack catch extension section (2) are used for the centre gripping work piece is not less than 90mm.
2. The chuck lengthening jaw according to claim 1, characterized in that the standard jaw (1) is provided with a first threaded hole (11), and the jaw lengthening section (2) is provided with a first through hole (21) communicated with the first threaded hole (11) in a penetrating manner; the fastening mechanism comprises a first bolt (3) which passes through a first through hole (21) and is in threaded connection with a first threaded hole (11).
3. The chuck lengthening jaw according to claim 2, characterized in that the standard jaw (1) is provided with a second threaded hole (12), and the jaw lengthening section (2) is provided with a second through hole (22) communicated with the second threaded hole (12) in a penetrating manner; the fastening mechanism further comprises a second bolt (4) passing through the second through hole (22) and being screwed to the second threaded hole (12).
4. A chuck extension jaw according to claim 3, characterized in that the first (11) and second (12) threaded holes are arranged in a direction perpendicular to the side of the jaw extension (2) for gripping a workpiece.
5. A chuck extension jaw according to claim 3, characterized in that the fastening means further comprises a clamping groove (13) and a clamping block (23) adapted to the clamping groove (13), the clamping groove (13) is provided in the standard jaw (1), and the clamping block (23) is provided in the jaw extension section (2).
6. A chuck extension jaw as claimed in claim 5, characterized in that the grooves of the clamping groove (13) are parallel to the sides of the jaw extension (2) for clamping the workpiece.
7. The chuck lengthening jaw according to claim 5, characterized in that the clamping groove (13) is a dovetail groove or a stepped groove and is formed on one side of the standard jaw (1) which is abutted against the jaw lengthening section (2).
8. A chuck extension jaw according to claim 1, characterized in that the sides of the jaw extension section (2) and the standard jaw (1) for clamping a workpiece are arc-shaped surfaces, and the arc-shaped surfaces are coaxial with the central axis.
9. A chuck comprising a plurality of chuck extension jaws.
10. A lathe comprising a chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249448.4U CN220636348U (en) | 2023-08-21 | 2023-08-21 | Chuck extension jack catch, chuck and lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249448.4U CN220636348U (en) | 2023-08-21 | 2023-08-21 | Chuck extension jack catch, chuck and lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636348U true CN220636348U (en) | 2024-03-22 |
Family
ID=90262869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249448.4U Active CN220636348U (en) | 2023-08-21 | 2023-08-21 | Chuck extension jack catch, chuck and lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636348U (en) |
-
2023
- 2023-08-21 CN CN202322249448.4U patent/CN220636348U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |