CN220127628U - Circular arc integrated claw - Google Patents
Circular arc integrated claw Download PDFInfo
- Publication number
- CN220127628U CN220127628U CN202321547822.2U CN202321547822U CN220127628U CN 220127628 U CN220127628 U CN 220127628U CN 202321547822 U CN202321547822 U CN 202321547822U CN 220127628 U CN220127628 U CN 220127628U
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- circular arc
- claw
- teeth
- shaped
- clamping
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- 210000000078 claw Anatomy 0.000 title claims abstract description 80
- 238000009434 installation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly 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
- 238000012937 correction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
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- Gripping On Spindles (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an arc-shaped integrated claw, which comprises a claw body and an arc claw head, wherein the claw body and the arc claw head are integrally formed, a plurality of V-shaped teeth are formed on the arc claw head, a plurality of first mounting through holes are formed on the claw body, a second mounting through hole is formed on the claw body, the improved arc-shaped integrated claw is provided with a plurality of V-shaped teeth, the contact area and friction coefficient of a workpiece are increased, the workpiece is clamped more firmly, the integrity of the workpiece is ensured, the minimum clamping diameter of the arc claw head is not lower than 243mm, compared with the conventional claw clamping diameter of about 200mm, the clamping diameter range is obviously improved, the concentricity of the claw and a main shaft is also improved, and the method is equivalent to simplifying the steps of a process for correcting concentricity by operating technicians.
Description
Technical Field
The utility model belongs to the technical field of mechanical engineering, and particularly relates to an arc-shaped integrated claw.
Background
In the mechanical structure, the clamping jaws are parts used for clamping and clamping workpieces in the chuck or machine tool accessories for clamping and positioning the workpieces, and the existing clamping jaws are uniformly distributed in 360 degrees, so that the three clamping jaws approach or withdraw from the center at the same time to finish the work.
In a numerical control lathe, most of clamping claws used by a threading machine are split and line contact, when a workpiece is clamped in the use process, the clamping claws are in contact with the workpiece in practice only by 6 surfaces, so that the contact area of the clamping claws and the workpiece is small, the workpiece is unstable in clamping, the workpiece is easy to deform and damage, the clamping claws are affected by the limitation of the shape of the clamping claws when the workpiece is clamped, the concentricity of the clamping claws and a lathe spindle is low, and the concentricity correction of the workpiece and the spindle is difficult to operate, so that the shape and the structure of the clamping claws are required to be changed, the integrity of the workpiece is ensured, and meanwhile, the step of a technical personnel operation concentricity correction program is simplified.
Therefore, the utility model provides the circular arc-shaped integrated claw, which can effectively solve the problem that the clamping of the threading machine is unstable when clamping a workpiece.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present utility model has as its object: aims to provide an arc-shaped integrated claw.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a convex integral type jack catch, includes jack catch body and circular arc jaw head, jack catch body and circular arc jaw head integrated into one piece, set up the V-arrangement tooth of a plurality of numbers on the circular arc jaw head, set up the first installation through-hole of a plurality of numbers on the jack catch body, still be equipped with the second installation through-hole on the jack catch body.
Further limited, first installation through-hole quantity is 5, first installation through-hole is used for being connected the locking with the bolt assembly, makes the jack catch body with the clamping table that jack catch body bottom set up is fixed as an organic wholely, and such structural design, 5 first installation through-holes can cooperate 5 group bolt assembly to fasten jack catch body and clamping table together, make the jack catch body also be difficult for droing when high-speed rotation.
Further defined, the second mounting through hole is for fixedly connecting with a screw assembly.
The circular arc claw heads are further limited to be annularly arranged to form a circle, the diameter of the circle is 243mm, the diameter range of the circle is the minimum clamping range of the circular arc claw heads, and due to the structural design, the minimum clamping diameter range of the circular arc claw heads is set to be 243mm, so that the circular arc claw heads can clamp large-sized workpieces and small-sized workpieces, and compared with the traditional claw, the circular arc claw heads are higher in functionality.
Further limited, the V-shaped teeth are uniformly distributed along the inner side of the circular arc claw head, the number of the V-shaped teeth is 9, and the V-shaped teeth uniformly distributed on the circular arc claw head are designed in such a structure.
Further limiting, the angle of the V-shaped teeth relative to the common circle center of the V-shaped teeth and the adjacent V-shaped teeth is 10 degrees, the included angle between the V-shaped teeth is 60 degrees, the height of each V-shaped tooth is not lower than 6.75mm, and by adopting the structural design, the height of each V-shaped tooth and the included angle between the V-shaped teeth are precisely limited, so that each V-shaped tooth is uniformly stressed, the smooth workpiece is not easy to slide off during clamping, the sharp part of the small special-shaped workpiece can be clamped with the V-shaped teeth during clamping, the clamping is firmer, the subsequent processing operation is facilitated, and the processing precision is effectively improved.
Further limiting, the conical teeth are uniformly arranged at the bottom of the first installation through hole, so that the clamping jaw body is connected with the clamping table through the bolt assembly during actual installation, and the conical teeth can be embedded into the clamping table, so that the clamping jaw is more firmly connected with the clamping table.
Further limiting that the included angle between teeth of the conical teeth is 60 degrees, and the height of the conical teeth is not less than 2mm, so that the claw body and the clamping table can be connected more tightly during actual installation.
The utility model has the beneficial effects that: the clamping jaw for the traditional threading machine is improved, the traditional clamping jaw is split and in line contact, the actual contact area with a workpiece is small, the clamping is unstable, and the workpiece is easy to deform and damage; the improved circular arc integrated claw is provided with a plurality of V-shaped teeth, the contact area and friction coefficient of the workpiece are increased, the workpiece is clamped more firmly, the integrity of the workpiece is ensured, the minimum clamping diameter of the circular arc claw is not lower than 243mm, compared with the traditional claw clamping diameter of about 200mm, the clamping diameter range is obviously improved, the concentricity of the claw and a lathe spindle is improved, and the method is equivalent to simplifying the step of correcting concentricity program by a technician.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a front view of an embodiment of a circular arc integral pawl of the present utility model;
FIG. 2 is a cross-sectional view at A-A of an embodiment of a circular arc integral pawl according to the present utility model;
FIG. 3 is a top view of an embodiment of a circular arc integral pawl of the present utility model;
fig. 4 is an enlarged view of the conical tooth 6 of an embodiment of the circular arc-shaped integrated claw according to the utility model;
fig. 5 is an enlarged view of the V-shaped tooth 3 of one circular arc integral jaw embodiment of the present utility model;
the main reference numerals are as follows: the circular arc claw head 1, a first installation through hole 2, V-shaped teeth 3, a second installation through hole 4, a claw body 5 and conical teeth 6.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the circular arc integrated claw comprises a claw body 5 and a circular arc claw head 1, wherein the claw body 5 and the circular arc claw head 1 are integrally formed, a plurality of V-shaped teeth 3 are formed on the circular arc claw head 1, a plurality of first mounting through holes 2 are formed on the claw body 5, and a second mounting through hole 4 is further formed on the claw body 5.
In this embodiment, the installation process of the present utility model is divided into two steps of installation and use,
the claw body 5 and the circular arc claw heads 1 are integrally formed, then 5 groups of inner hexagon bolt assemblies and the first mounting through holes 2 are connected with corresponding clamping tables, and then the operation is repeated, and the other 2 circular arc claw heads 1 are mounted on the clamping tables, so that each circular arc claw head 1 forms an annular circle;
when in use, a workpiece to be clamped is placed into the circular arc claw heads 1, the wrench is used for rotating the adjusting holes on the chuck, so that the internal gears of the chuck rotate, and the three circular arc claw heads 1 are driven to approach or withdraw from the center at the same time, so that workpieces with different diameters are clamped.
Preferably, the number of the first mounting through holes 2 is 5, and the first mounting through holes 2 are used for connecting and locking with the bolt assembly. By means of the structural design, the 5 first mounting through holes 2 can be matched with 5 groups of bolt assemblies to fasten the claw body 5 and the clamping table together, so that the claw body 5 is not easy to fall off when rotating at a high speed. In practice, other connection modes of the jaw body 5 and the clamping table can be specifically considered according to specific situations.
Preferably, the second mounting through hole 4 is used for being fixedly connected with the screw assembly, so that the claw body 5 and the clamping table arranged at the bottom of the claw body 5 are fixed into a whole.
Preferably, 3 identical circular arc claw heads 1 are annularly arranged to form a circle, the diameter of the circle is 243mm, and the diameter range of the circle is the minimum clamping range of the circular arc claw heads 1. By means of the structural design, the minimum clamping diameter range of the arc claw head 1 is set to be 243mm, so that the arc claw head 1 can clamp large-sized workpieces and small-sized workpieces, and compared with a traditional claw, the arc claw head 1 is higher in functionality. In practice, different circular arc claw head diameters can be designed according to specific conditions to adapt to workpieces with different sizes.
Preferably, the V-shaped teeth 3 are uniformly distributed along the inner side of the circular arc claw head, the number of the V-shaped teeth 3 is 9, and by adopting the structural design, the V-shaped teeth 3 with the number being uniformly distributed on the circular arc claw head are more stable in clamping the workpiece due to the fact that compared with the claw heads with smoother traditional claws, the circular arc claw head 1 increases the contact area and friction coefficient between the claw heads and the workpiece. In practice, other shapes of clamping portions may be used instead of V-shaped teeth, as the case may be.
Preferably, the angle of the V-shaped teeth 3 and the adjacent V-shaped teeth 3 relative to the common center is 10 degrees, the included angle between the teeth of the V-shaped teeth 3 is 60 degrees, and the height of the V-shaped teeth 3 is not less than 6.75mm. By means of the structural design, the heights of the V-shaped teeth 3 and the included angles between the V-shaped teeth 3 and the adjacent V-shaped teeth 3 are accurately limited, so that the stress of each V-shaped tooth 3 is uniform, the V-shaped teeth are not easy to slide off when the smooth workpiece is clamped, the sharp part of the small special-shaped workpiece can be clamped with the V-shaped teeth 3 when the small special-shaped workpiece is clamped, the clamping is firmer, the subsequent processing operation is facilitated, and the processing precision is effectively improved. In practice, the V-teeth can also be designed more densely to increase the friction coefficient, depending on the particular situation.
Preferably, the bottom of the first mounting through hole 2 is uniformly provided with conical teeth 6. In the structural design, during actual installation, the bottom of the claw body 5 is connected with the clamping table through the bolt assembly, and the conical teeth are arranged to be embedded into the clamping table, so that the claw is more firmly connected with the clamping table. Preferably, the angle between teeth of the conical teeth 6 is 60 degrees, and the height of the conical teeth 6 is not less than 2mm. By means of the structural design, the claw body 5 and the clamping table can be connected more tightly during actual installation.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (8)
1. The utility model provides a convex integral type jack catch which characterized in that: including jack catch body (5) and circular arc claw head (1), jack catch body (5) and circular arc claw head (1) integrated into one piece, set up V-arrangement tooth (3) of a plurality of on the circular arc claw head (1), set up first installation through-hole (2) of a plurality of on jack catch body (5), still be equipped with second installation through-hole (4) on jack catch body (5).
2. A circular arc shaped integrated jaw as claimed in claim 1, wherein: the number of the first mounting through holes (2) is 5, and the first mounting through holes (2) are used for being connected with the bolt assembly for locking.
3. A circular arc shaped integrated jaw as claimed in claim 1, wherein: the second mounting through hole (4) is used for being fixedly connected with the screw assembly, so that the clamping jaw body (5) and the clamping table arranged at the bottom of the clamping jaw body (5) are fixed into a whole.
4. A circular arc shaped integrated jaw as claimed in claim 1, wherein: and 3 identical circular arc claw heads (1) are annularly arranged to form a circle, the diameter of the circle is 243mm, and the diameter range of the circle is the minimum clamping range of the circular arc claw heads (1).
5. A circular arc shaped integrated jaw as claimed in claim 1, wherein: the V-shaped teeth (3) are uniformly distributed along the inner side of the circular arc claw head, and the number of the V-shaped teeth (3) is 9.
6. The circular arc shaped integrated jaw as claimed in claim 5, wherein: the angle of the V-shaped teeth (3) and the adjacent V-shaped teeth (3) sharing the circle center is 10 degrees, the included angle between the teeth of the V-shaped teeth (3) is 60 degrees, and the height of the V-shaped teeth (3) is not less than 6.75mm.
7. A circular arc shaped integrated jaw as claimed in claim 1, wherein: conical teeth (6) are uniformly arranged at the bottom of the first mounting through hole (2).
8. The circular arc shaped integrated jaw as claimed in claim 7, wherein: the included angle between teeth of the conical teeth (6) is 60 degrees, and the height of the conical teeth (6) is not less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547822.2U CN220127628U (en) | 2023-06-16 | 2023-06-16 | Circular arc integrated claw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321547822.2U CN220127628U (en) | 2023-06-16 | 2023-06-16 | Circular arc integrated claw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220127628U true CN220127628U (en) | 2023-12-05 |
Family
ID=88954160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321547822.2U Active CN220127628U (en) | 2023-06-16 | 2023-06-16 | Circular arc integrated claw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220127628U (en) |
-
2023
- 2023-06-16 CN CN202321547822.2U patent/CN220127628U/en active Active
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