CN216966309U - Cell type soft claw vehicle clamp for thin-wall part - Google Patents

Abstract

The utility model discloses a cell type soft claw vehicle clamp for a thin-wall part, relates to the technical field of clamping devices, and aims to solve the technical problems that an existing clamping claw is small in clamping surface, large in pressure of a part unit area, easy to deform and easy to damage the part, and is used for hard clamping. The method comprises the following steps: the three-jaw chuck comprises a three-jaw chuck and soft jaws for increasing the contact area with a part; the soft claws are the same as the jaws on the three-jaw chuck in number, the soft claws are arranged on one sides of the jaw orientation at the center of the three-jaw chuck, and the soft claws are driven by the three-jaw chuck to move towards or away from the center of the three-jaw chuck. Above-mentioned soft claw car presss from both sides simple structure, convenient to use has improved the qualification rate to the controller casing processing terminal surface plane degree, has reduced the risk that the part was hindered to the clamp, has improved machining efficiency, has very high practicality.

Description

Cell type soft claw vehicle clamp for thin-wall part

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a cellular type soft claw lathe clamp for a thin-wall part.

Background

The shell parts of the electric rudder system controller are mostly thin-wall parts, and in the conventional thin-wall part machining process, the parts are easy to deform due to an improper clamping mode, so that the machining yield of the parts is low, and the production efficiency is greatly reduced. Taking a certain electric steering engine controller shell as an example, the part is a round aluminum alloy thin-wall part, the design requirement is that the bottom surface flatness is 0.03mm, the part is an aluminum alloy thin-wall part and is long in thin-wall length, common soft claw or reverse claw clamping is carried out, a clamp is made of metal materials, the part belongs to hard clamping, the clamping surface is small, the pressure per unit area is large, the part is deformed due to the pressure generated by clamping, after the part is disassembled after processing, the deformation is released, the bottom surface flatness is ultra-poor, and meanwhile, the risk of clamping the part is increased due to hard clamping.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cellular type soft claw vehicle clamp for a thin-wall part, which is used for solving the technical problems that the existing claw clamp is hard, the clamping surface is small, the pressure of the unit area of the part is large, the part is easy to deform and the part is easy to damage.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a cell formula soft claw car clamp for thin wall part, includes: the three-jaw chuck and the soft jaw are used for increasing the contact area with the part; the soft claws are the same as the number of the claws on the three-claw chuck, the soft claws are arranged on one sides of the claws facing the center of the three-claw chuck, and the soft claws face or are far away from the center of the three-claw chuck under the driving of the three-claw chuck.

The cellular type soft claw vehicle clamp for the wall part increases the contact area with the part and improves the clamping effect through the newly designed soft claws, can effectively clamp the part through the control of the three-claw chuck, ensures that the repeated clamping state of the controller shell is always consistent, improves the qualification rate of the flatness of the processing end surface of the controller shell from 70 percent to 99 percent, reduces the risk of clamping the part, greatly saves the working time cost while improving the qualification rate, improves the processing efficiency, and provides reliable technical support for promoting mass production. The soft claw vehicle clamp is simple in structure, high in part processing qualification rate in the use aspect, high in processing efficiency and high in practicability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a cell type soft claw vehicle clamp for thin-walled parts according to an embodiment of the present invention;

FIG. 2 is a schematic view of the side AA of the jig-type soft claw vehicle clamp for thin-walled parts in FIG. 1;

figure 3 is a schematic view of the modified back jaw of figure 2.

Reference numerals:

1-three-jaw chuck body, 2-jaws, 3-soft jaws, 4-connecting bolt and 5-helical teeth.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Detailed description referring to fig. 1 to 3, the present invention provides a cell type soft claw vehicle clamp for thin-wall parts, comprising: the three-jaw chuck and the soft jaw 3 used for increasing the contact area with the part; the soft claws 3 are the same as the claws 2 on the three-jaw chuck in number, the soft claws 3 are arranged on one side of the corresponding claws 2 facing to the center of the three-jaw chuck, and the soft claws 3 move towards or away from the center of the three-jaw chuck under the driving of the three-jaw chuck.

Description of the principle:

design and manufacture a thin wall part cell type soft claw 3 car clamp, replace the rigidity clamping mode, increase soft claw 3 width, every claw width is nearly 1/3 part circumference, and every claw length rate is less than the part height, and every claw thickness both will guarantee to have suitable clamp force, will guarantee again that the part is convenient for get and put, thickness 15 ~ 20 mm. The soft jaw 3 is fixed on the jaw 2 of the equipment through a screw. According to the diameter of the part, the inner hole of the nonmetal soft claw 3 is bored on a lathe by adopting the principle of turning the soft claw 3 to obtain a clamping circle which is matched with the excircle of the part, so that the soft claw 3 can be better contacted with the part to integrally hold the part, the clamping area is increased, the clamping force per unit area is reduced, and the possibility of damaging the part by clamping is reduced.

Description of the relationship of the actions:

the soft claw 3 and the improved claw 2 are fixed by the connecting bolt 4, the spiral teeth 5 on the back of the improved claw 2 are sequentially inserted into three large bevel gear grooves of the three-claw chuck body 1, the chuck key is inserted into a small bevel gear hole of the three-claw chuck body 1, the small bevel gear drives the large bevel gear by rotating the chuck key, the large bevel gear drives the spiral teeth 5 on the claw 2, the claw 2 is screwed up by clockwise rotation, the claw 2 is loosened by anticlockwise rotation, radial movement of the claw 2 is realized, and the soft claw 3 is close to or withdrawn from the center for clamping or loosening parts. The end face of the part is positioned on the three-jaw chuck body 1, the soft jaws 3 tightly hold the excircle of the part, and the lathe spindle rotates to drive the part to rotate, so that the turning processing of the end face of the excircle is realized.

The cellular type soft claw vehicle clamp for the wall part increases the contact area with the part and improves the clamping effect through the newly designed soft claws, can effectively clamp the part through the control of the three-claw chuck, ensures that the repeated clamping state of the controller shell is always consistent, improves the qualification rate of the flatness of the processing end surface of the controller shell from 70 percent to 99 percent, reduces the risk of clamping the part, greatly saves the working time cost while improving the qualification rate, improves the processing efficiency, and provides reliable technical support for promoting mass production. The soft claw lathe clamp is simple in structure, high in qualification rate of part processing in the using aspect, high in processing efficiency and high in practicability.

As an embodiment, the soft claws 3 have an arc-shaped structure. The soft claw 3 with the arc-shaped structure can be better attached and matched with the appearance of a controller shell (part), and the clamping effect of the part is improved.

As an alternative, the arc length of each soft jaw 3 is the same. The soft claws 3 with the same arc length can provide the same clamping acting force for parts in different directions, avoid the occurrence of damage to the parts due to unstable stress in a single direction, and improve the qualification rate of part processing.

As an implementation mode, a plurality of soft claws 3 enclose a circular ring structure, and the arc length of each soft claw 3 is one third of the circumference of the circular ring structure. Can be for becoming a plurality of soft claws 3 of ring structure, the appearance of laminating part that can be better has ensured the effect to the part centre gripping to and add the stability of man-hour to the part, improved machining efficiency.

As an embodiment, the soft claws 3 are made of a non-metallic material. The soft claws 3 made of non-metal materials fundamentally avoid the risk that the parts are clamped by the soft claws 3.

As an implementation mode, the side of the claw 2 facing the center of the three-jaw chuck is provided with a mounting platform, and the plane of the mounting platform is in the same plane with the operation surface of the three-jaw chuck. The soft claw 3 is arranged on the mounting platform and connected with the claw 2 through the connecting bolt 4, so that the maintenance, the assembly and the disassembly are more convenient. The mounting platform plane of the clamping jaw 2 and the three-jaw chuck operation surface are in the same plane, so that the contact area between the part and the three-jaw chuck operation surface is increased, the whole part is balanced and stable in stress, the qualification rate of the part end face flatness processing is improved to a certain extent, and the part processing efficiency is also improved.

As an implementation mode, the side of the claw 2, which is contacted with the outer wall of the soft claw 3, is arc-shaped. The arc-shaped contact surface ensures that the circle centers of the soft claws 3 are overlapped after the soft claws are installed, the combined installation is more convenient, and the stability and the balance of stress of the parts when the soft claws 3 are used for clamping the parts are further ensured.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (7)

1. The utility model provides a thin wall part is with soft claw car clamp of cellular type which characterized in that includes: the three-jaw chuck and the soft jaw are used for increasing the contact area with the part; the soft claws are the same as the number of the claws on the three-claw chuck, the soft claws are arranged on one sides of the claws facing the center of the three-claw chuck, and the soft claws face or are far away from the center of the three-claw chuck under the driving of the three-claw chuck.

2. The jig-type soft claw vehicle clamp for thin-walled parts according to claim 1, wherein the soft claws have an arc-shaped structure.

3. The jig-type soft claw vehicle clamp for thin-walled parts according to claim 2, wherein the arc length of each soft claw is the same.

4. The cellular type soft claw vehicle clamp for the thin-wall part as claimed in claim 3, wherein a plurality of the soft claws form a circular ring structure, and the arc length of each soft claw is one third of the circumference of the circular ring structure.

5. The jig-type soft claw vehicle clamp for thin-walled parts according to claim 1, wherein the soft claws are made of a non-metallic material.

6. The jig-type soft jaw lathe clamp for the thin-walled part as claimed in claim 2, wherein a mounting platform is arranged on one side of the jaw facing to the center of the three-jaw chuck, and the plane of the mounting platform is in the same plane with the operating surface of the three-jaw chuck.

7. The jig-type soft claw vehicle clamp for the thin-walled parts as claimed in claim 6, wherein the side of the claw contacting with the outer wall of the soft claw is arc-shaped.

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