Depth-adjustable soft claw tool

Abstract

The utility model discloses a depth-adjustable soft claw tool, which belongs to the technical field of machining clamping and comprises a plurality of soft claw components, and the soft claw components are arranged at intervals along the circumferential direction by taking a clamping axis as a center. The soft claw component comprises a soft claw body and at least two supporting assemblies, the end, facing a workpiece to be machined, of the soft claw body is provided with a clamping face, the supporting assemblies are arranged on the soft claw body at intervals along the axis, one end of each supporting assembly is rotationally connected to the side wall face of the corresponding supporting assembly, and the other end of each supporting assembly is provided with a supporting face. The supporting surface can vertically abut against the clamping surface or can be moved out of the clamping surface. The utility model provides a depth-adjustable soft claw tool which can adapt to clamping of different types of shaft or regular polygon workpieces to be machined, the clamping depth of the workpieces to be machined can be accurately adjusted while accurate clamping of the workpieces to be machined is achieved, the clamping process of the workpieces to be machined is simplified, and the machining efficiency of the workpieces to be machined is improved. The machining efficiency of the to-be-machined workpiece is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical processing clamping technology, specifically relates to a soft jaw frock of adjustable depth. BACKGROUND

[0002] With the rapid development of social economy, high-end manufacturing industry as the key technology direction of promoting the rapid development of social economy, in recent years also presents the trend of high-speed development. Turning technology as one of the key technologies of high-end manufacturing industry is more widely used, so that the research and development of turning technology in recent years also gradually improves.

[0003] And in the turning technology, the workpiece to be processed is clamped on the rotating shaft of the machining center by the clamp, so that the rotating shaft can drive the workpiece to be processed to rotate around the shaft. The existing machining center clamp is usually used to clamp the shaft or regular polygon workpiece by chuck and three-jaw chuck, but the existing three-jaw chuck usually cannot control the clamping depth of the workpiece to be processed. For high-precision machining situations that require accurate control of the axial length of the workpiece to be processed, the existing ordinary three-jaw chuck usually controls the clamping depth more complexly, and cannot adapt to high-precision machining conditions with high requirements for clamping depth. SUMMARY

[0004] In view of one or more of the above defects or improvement needs of the prior art, the utility model provides a soft jaw frock of adjustable depth, which can clamp different types of shafts or regular polygon workpieces to be processed, accurately clamp the workpiece to be processed, accurately adjust the clamping depth of the workpiece to be processed, simplify the clamping process of the workpiece to be processed, and significantly improve the machining efficiency of the workpiece to be processed.

[0005] To achieve the above purpose, the utility model provides a soft jaw frock of adjustable depth for clamping a workpiece to be processed, comprising:

[0006] At least three soft jaw components, each of the soft jaw components is arranged along the circumference around the clamping axis as the center, and each soft jaw component can reciprocate towards the clamping axis for detachable clamping and fixing the workpiece to be processed;

[0007] At least one soft jaw component includes a soft jaw body and at least two support assemblies, the end face of the soft jaw body towards the clamping axis is provided with a clamping surface; each support assembly is arranged on the soft jaw body along the clamping axis, and one end of the support assembly is rotatably connected to the side wall surface of the support assembly, the other end of the support assembly is provided with a support surface, and the support surface can be perpendicular to the clamping surface or can be moved away from the clamping surface.

[0008] As a further preferred embodiment of the present application, the support assembly comprises a first support pad and a second support pad, one end of the first support pad is rotatably connected to the side wall surface of the soft claw body, the other end of the first support pad is connected with the second support pad; the second support pad is provided with the support surface on one side extending along the axial direction of the winding clamp axis, and the plane where the support surface is located is perpendicular to the axis of the winding clamp axis.

[0009] As a further preferred embodiment of the present application, the first support pad and the second support pad are rotatably connected.

[0010] As a further preferred embodiment of the present application, the first support pad is provided with a U-shaped support groove between the second support pad, and part or all of the sheet body of the second support pad can be rotatably embedded in the U-shaped support groove.

[0011] As a further preferred embodiment of the present application, the side wall surface of the soft claw body away from the first support pad is provided with a plurality of side surface support grooves arranged along the axial direction, for supporting the end of the second support pad away from the first support pad.

[0012] As a further preferred embodiment of the present application, the side wall surface of the soft claw body towards the first support pad is provided with a rotating shaft, and the first support pad of each support assembly is rotatably connected to the rotating shaft.

[0013] As a further preferred embodiment of the present application, the side wall surface of the soft claw body towards the first support pad is provided with a receiving groove, and the rotating shaft extends along the axial direction and is fixedly installed in the receiving groove.

[0014] As a further preferred embodiment of the present application, at least one mounting hole extending along the axial direction is formed in the soft claw body.

[0015] As a further preferred embodiment of the present application, a matching groove is formed in the soft claw body for mounting the soft claw body.

[0016] As a further preferred embodiment of the present application, the soft claw member is made of low carbon steel or medium carbon steel.

[0017] Overall, the above technical scheme conceived by the present application has the following beneficial effects compared with the prior art:

[0018] (1) The adjustable depth soft jaw tool of the utility model, which comprises at least three soft jaw components, each soft jaw component is arranged in a circumferential direction and is spaced apart around a clamping axis as a center, and each soft jaw component can reciprocate in a radial direction and is used for detachable coaxial fixing of a workpiece to be processed. The soft jaw component comprises a soft jaw body and at least two support assemblies, an end of the soft jaw body towards the workpiece to be processed is provided with a clamping surface, each support assembly is arranged on the soft jaw body in a spaced apart manner along the clamping axis, one end of the support assembly is rotationally connected to a side wall surface of the support assembly, and the other end of the support assembly is provided with a support surface, the support surface can be vertically abutted with the clamping surface or can be moved away from the clamping surface. The soft jaw tool can adapt to clamping of different types of shafts or regular polygons of workpieces to be processed, can accurately adjust the clamping depth of the workpiece to be processed while accurately clamping the workpiece to be processed, simplifies the clamping process of the workpiece to be processed, and significantly improves the processing efficiency of the workpiece to be processed.

[0019] (2) The adjustable depth soft jaw tool of the utility model, by setting the side surface support groove corresponding to each support assembly on the side wall surface of the soft jaw body, in the process of forming the support for the workpiece to be processed, the end of the second support gasket away from the first support gasket can be stably embedded into the side surface support groove, ensuring that there is stable limiting at both ends of the support assembly, thereby ensuring the stable support of the support assembly to the axial end of the workpiece to be processed.

[0020] (3) The adjustable depth soft jaw tool of the utility model has the advantages of simple structure, convenient operation, accurate clamping limiting, etc. By setting a plurality of rotatable support assemblies on the soft jaw component in a spaced apart manner along the clamping axis direction, and cooperating with the second support gasket which is vertically arranged on the support assembly, the user can flexibly rotate the support assembly according to the required clamping depth of the workpiece to be processed, thereby forming a support surface corresponding to the end of the workpiece to be processed at a specified depth of the clamping surface, and then accurately determining the clamping depth of the workpiece to be processed. At the same time, by adopting the rotatable first support gasket and the second support gasket, and combining the accommodating groove opened on the soft jaw body, the support assembly can form the support for the workpiece to be processed in the state of needing support, and can also complete the convenient storage of the support assembly in the non-supporting state, thereby significantly improving the use convenience of the soft jaw tool, and having good popularization value and application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is the overall structure schematic diagram of the adjustable depth soft jaw tool in the utility model embodiment;

[0022] Fig. 2 is the perspective view of the soft jaw component of the adjustable depth soft jaw tool in the utility model embodiment.

[0023] In all the drawings, the same reference signs represent the same technical features, specifically:

[0024] 1, soft claw body; 2, first support gasket; 3, second support gasket; 4, rotating shaft; 5, containing groove; 6, side support groove; 7, clamping surface; 8, mounting hole; 9, matching groove; 10, workpiece to be processed. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict.

[0026] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, first feature is on second feature "on" or "under" first and second feature can be direct contact, or first and second feature is indirectly contacted through intermediate medium. Moreover, first feature is "on", "above" and "on" second feature can be first feature is directly above or obliquely above, or just indicate that first feature horizontal height is higher than second feature. First feature is "under", "below" and "under" second feature can be first feature is directly below or obliquely below, or just indicate that first feature horizontal height is less than second feature.

[0030] Embodiment:

[0031] Please refer to Figs. 1-2 The soft jaw tool with adjustable depth in the preferred embodiment of the utility model can adapt to clamping different types of shafts or regular polygons of workpieces to be processed, can accurately clamp the workpiece to be processed 10 and accurately adjust the clamping depth of the workpiece to be processed 10, simplify the clamping process of the workpiece to be processed 10, and significantly improve the machining efficiency of the workpiece to be processed 10.

[0032] Specifically, in the preferred embodiment of the present application, the soft jaw tool is arranged at the end of the rotating shaft and is used for coaxially fixing the workpiece to be processed 10, so that the workpiece to be processed 10 can be rotated around the shaft under the driving of the rotating shaft. The axis of the rotating shaft is the clamping axis when the workpiece to be processed 10 is clamped.

[0033] Further, the soft jaw tool comprises at least three soft jaw components, each soft jaw component is arranged along the circumference and is centered around the clamping axis, and each soft jaw component can reciprocate along the radial direction of the rotating shaft, so as to ensure that the soft jaw tool can stably clamp the workpiece to be processed 10.

[0034] Further, the soft jaw component comprises a soft jaw body 1 and at least two support assemblies. The end of the soft jaw body 1 towards the clamping axis is provided with a clamping surface 7, so as to accurately clamp the workpiece to be processed 10 through each clamping surface 7 arranged along the ring. Preferably, the clamping surface 7 extends along the axial direction of the clamping axis. Each support assembly is arranged on the soft jaw body 1 along the circumference, one end of the support assembly is rotationally connected to the side wall surface of the support assembly, the other end of the support assembly is provided with a support surface, and the support surface can be vertically abutted on the clamping surface 7 or moved out of the clamping surface 7.

[0035] In actual use, the support assembly corresponding to the required clamping depth of the workpiece 10 is determined first, so that the support surface of the corresponding depth support assembly can be vertically abutted on the clamping surface 7; at the same time, the other support assemblies are rotated, so that the support surfaces of the remaining support assemblies are all moved away from the clamping surface 7, and then the corresponding depth support assembly can form fixation of the end of the workpiece 10 at the specified clamping depth position, thereby simplifying the clamping process of the workpiece 10.

[0036] Further, in the preferred embodiment of the present application, the support assembly comprises a first support pad 2 and a second support pad 3. Wherein one end of the first support pad 2 is rotationally connected to the side wall surface of the soft jaw body 1, the other end of the first support pad 2 is connected with the second support pad 3, and at the same time, the second support pad 3 is provided with a support surface on the side extending along the axis of the rotation shaft, and the plane where the support surface is located is perpendicular to the axis of the rotation shaft.

[0037] Further preferably, in the preferred embodiment of the present application, the side wall surface of the second support pad 3 has the same projection shape as the clamping surface 7 in the axial direction, so that the side wall surface of the second support pad 3 can be stably abutted on the clamping surface 7, and ensure that the second support pad 3 can provide stable support for the axial end of the workpiece 10.

[0038] More specifically, in the preferred embodiment of the present application, the softening body is a cuboid column extending in the axial direction, and a chamfer is provided on the side wall surface of the cuboid column where the clamping surface 7 is located. Correspondingly, the projection of the second support pad 3 along the axial direction of the rotation shaft is in a U-shaped structure, so as to ensure that the second support pad 3 can closely adhere to the clamping surface 7.

[0039] Further, in the preferred embodiment of the present application, in order to improve the storage performance of the support assembly, the first support pad 2 and the second support pad 3 are rotationally connected. Preferably, a U-shaped support groove is provided on the side of the second support pad 3 away from the soft jaw body 1, and correspondingly, the end of the first support pad 2 is embedded into the U-shaped support groove, and a rotation pin is arranged between the first support pad 2 and the U-shaped support groove, thereby realizing the rotational connection between the first support pad 2 and the second support pad 3.

[0040] Further preferably, in the preferred embodiment of the present application, part or all of the second support pad 3 can be rotationally embedded into the U-shaped support groove, thereby reducing the space occupied by the entire support assembly.

[0041] More specifically, in the preferred embodiment of the present application, a plurality of side support grooves 6 are arranged on the side wall surface of the soft jaw body 1 away from the first support pad 2, and in actual use, the end of the second support pad 3 away from the first support pad 2 can be embedded into the side support groove 6, thereby forming stable fixation of both ends of the support assembly.

[0042] Preferably, the side support groove 6 also extends in the direction perpendicular to the axis. Further preferably, the axial position of each side support groove 6 corresponds to the axial position of each support assembly, so as to ensure that the second support pad 3 can ensure the stable fixing of the two ends of the support assembly while ensuring that the support surface is perpendicular to the axis of the rotating shaft.

[0043] Further, in the preferred embodiment of the present application, the support assembly is provided with a mark corresponding to the axial depth, so that the user can accurately control the clamping depth of the workpiece 10 on the soft jaw tool.

[0044] Of course, the mark of the support assembly is not limited to the above structure, and in another preferred embodiment of the present application, a depth scale is provided on the side wall surface of the soft jaw body 1, so that the user can accurately select the support assembly corresponding to the depth, and then form accurate limiting of the end of the workpiece 10 at the corresponding depth of the clamping surface 7, thereby realizing the stable clamping of the workpiece 10.

[0045] Further, in the preferred embodiment of the present application, the thickness of the end of the second support pad 3 away from the first support pad 2 decreases in the axial direction of the rotating shaft, thereby ensuring that the end of the second support pad 3 can be accurately embedded into the side support groove 6.

[0046] Further preferably, in the preferred embodiment of the present application, a rotating shaft 4 is provided on the side wall surface of the soft jaw body 1 towards the first support pad 2, and correspondingly, each support assembly is sequentially connected to the rotating shaft 4 in the axial direction, so as to ensure that the first support pad 2 can stably rotate around the rotating shaft 4.

[0047] More specifically, in the preferred embodiment of the present application, a receiving groove 5 is provided on the side wall surface of the soft jaw body 1 towards the first support pad 2, and the rotating shaft 4 extends in the axial direction and is fixed at both ends in the receiving groove 5, so that the support assembly can be accommodated in the receiving groove 5 in the non-supporting state.

[0048] Further, in the preferred embodiment of the present application, at least one mounting hole 8 extending in the axial direction is provided on the soft jaw body 1 for stable mounting of the soft jaw body 1.

[0049] Further preferably, in the preferred embodiment of the present application, a matching groove 9 is provided on the soft jaw body 1 to facilitate the mounting of the soft jaw body 1

[0050] More specifically, in the preferred embodiment of the present application, the soft jaw member is made of low carbon steel or medium carbon steel to ensure the structural strength of the entire softening tool. Preferably, the soft jaw member is made of 45 steel.

[0051] The adjustable depth soft jaw tool has simple structure, convenient operation and accurate clamping and limiting, the user can flexibly rotate the support assembly according to the required clamping depth of the workpiece to be processed, and then a support surface corresponding to the end of the workpiece to be processed 10 is formed on the specified depth of the clamping surface 7, and then the clamping depth of the workpiece to be processed 10 is accurately determined. Meanwhile, the first support pad 2 and the second support pad 3 are rotatably connected, and the accommodating groove 5 is arranged on the soft jaw body 1, so that the support assembly can support the workpiece to be processed 10 in the supporting state, and can be conveniently stored in the non-supporting state, thereby significantly improving the use convenience of the soft jaw tool, and having good popularization value and application prospect.

[0052] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable depth soft jaw tooling for clamping a workpiece to be machined, characterized by, The utility model relates to a chucking device for workpiece, comprising: at least three soft jaw members, each of the soft jaw members is arranged along the circumference and is spaced apart around a chucking axis, and each of the soft jaw members is reciprocally movable towards the chucking axis for detachably chucking and fixing the workpiece to be processed; at least one soft jaw member comprises a soft jaw body and at least two support assemblies, and an end face of the soft jaw body towards the chucking axis is provided with a chucking surface; each of the support assemblies is arranged on the soft jaw body along the chucking axis, and one end of the support assembly is rotatably connected to a side wall surface of the support assembly, and the other end of the support assembly is provided with a support surface which can be vertically abutted to or moved away from the chucking surface.

2. The adjustable depth soft jaw tooling of claim 1, wherein, The support assembly comprises a first support pad and a second support pad, one end of the first support pad is rotatably connected to a side wall surface of the soft jaw body, and the other end of the first support pad is connected to the second support pad; the second support pad is provided with the support surface on one side extending along the axial direction of the chucking axis, and the plane where the support surface is located is perpendicular to the axis of the chucking axis.

3. The adjustable depth soft jaw tooling of claim 2, wherein, The first support pad and the second support pad are rotatably connected.

4. The adjustable depth soft jaw tooling of claim 3, wherein, The first support pad is provided with a U-shaped support groove between the second support pad, and part or all of the pieces of the second support pad can be rotatably embedded in the U-shaped support groove.

5. The adjustable depth soft jaw tooling of any one of claims 2-4, wherein, The side wall surface of the soft jaw body away from the first support pad is provided with a plurality of side support grooves arranged along the axial direction for supporting the end of the second support pad away from the first support pad.

6. The adjustable depth soft jaw tooling of any one of claims 2-4, wherein, The side wall surface of the soft jaw body towards the first support pad is provided with a rotating shaft, and the first support pad of each of the support assemblies is rotatably connected to the rotating shaft.

7. The adjustable depth soft jaw fixture of claim 6 wherein, The side wall surface of the soft jaw body towards the first support pad is provided with a receiving groove, and the rotating shaft extends along the axial direction and is fixedly installed in the receiving groove.

8. The adjustable depth soft jaw tooling of any one of claims 1-4, 7, wherein, The soft jaw body is provided with at least one mounting hole extending along the axial direction.

9. The adjustable depth soft jaw tooling of any one of claims 1-4, 7, wherein, The soft jaw body is provided with a matching groove for mounting the soft jaw body.

10. The adjustable depth soft jaw tooling of any one of claims 1-4, 7, wherein, The soft jaw member is made of low carbon steel or medium carbon steel.

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