CN213164163U

CN213164163U - Auxiliary elastic supporting device for thin-wall curved surface parts

Info

Publication number: CN213164163U
Application number: CN202021332980.2U
Authority: CN
Inventors: 张桂源; 郭华卫; 王乐; 孙永才; 董立忠; 王智; 王显亮; 王建秋; 齐光辉; 燕锴
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-11
Anticipated expiration: 2030-07-09

Abstract

The utility model belongs to the technical field of machining, in particular to an auxiliary elastic supporting device for thin-wall curved surface parts; the device comprises a device shell, a screw plug, a lower supporting plate, a spring, a supporting bolt and an upper floating block, wherein the upper floating block is connected inside the device shell in a clearance fit manner and can slide up and down in the device shell; the adjustable bolt and the elastic support are used for supporting and self-locking the workpiece, the strength of the workpiece is improved to a great extent, the part deformation caused by rigid support is avoided, and the problems that a cutter generates vibration in the cutting process due to uneven distribution of supporting points and too few supporting points in the machining process and the surface quality of the workpiece is poor can be solved.

Description

Auxiliary elastic supporting device for thin-wall curved surface parts

Technical Field

The utility model belongs to the technical field of machining, especially, relate to an auxiliary elastic supporting device of thin wall class curved surface part.

Background

Thin-wall parts are widely applied to the field of automobiles, wherein most thin-wall parts are complex in structure and poor in rigidity, and the problems of tool vibration and deformation are easily caused in the machining process, so that auxiliary support needs to be carried out on positions with insufficient rigidity, and the rigidity of workpieces is improved. At present, in the process of processing thin-wall curved surface parts, most of auxiliary supporting devices are supported by screw jacks, the defects that the threads are in rigid contact, the parts deform due to overlarge supporting force, and the supporting force cannot play a supporting role due to insufficient supporting force are overcome.

Disclosure of Invention

For solving above problem, the utility model provides a supplementary elastic support device of thin wall class curved surface part, the utility model discloses an adjustable bolt and elastic support and auto-lock the work piece, the improvement of great degree the intensity of work piece can not lead to the part to warp because of being the rigid support, can solve in the course of working because of the strong point distributes the cutter that uneven and the strong point leads to too few produces the sword that shakes in the cutting process to and the not good condition problem of workpiece surface quality.

An auxiliary elastic supporting device for thin-wall curved surface parts comprises: device shell 1, go up floating block 2, spring 3, bottom suspension fagging 4, adjustable bolt 5, plug 6, supporting bolt 7, wherein 2 clearance fit connection of top floating block are inside device shell 1, can slide from top to bottom in

device shell

1, 6 threaded connection of plug 6 is in 1 bottom of device shell, and 1 inside bottom suspension fagging 4 of having placed of device shell between plug 6 and device shell 1, spring 3 has been placed in device shell 1 between bottom suspension fagging 4 and the top floating block 2, supporting bolt 7 penetrates from 1 top of device shell, and threaded connection is on top floating block 2 in device shell 1.

The adjustable bolt 5 is connected in the plug 6, and the plug 6 with the adjustable bolt 5 is connected at the bottom of the device shell 1 in a threaded manner.

One end of the spring 3 is positioned in the upper floating block 2, and the other end of the spring is contacted with the lower supporting plate 4.

The device further comprises a jackscrew 8, wherein the jackscrew 8 is in threaded connection with the side surface of the device shell 1, penetrates into the device shell 1 and is in contact with the side surface of the upper floating block 2.

The top end of the supporting bolt 7 is a hemispherical surface.

The utility model has the advantages that:

the utility model discloses only need on the work piece placer and compress tightly, need not because of blank casting surplus inequality manual regulation auxiliary stay, the improvement of great degree the intensity of work piece, can not lead to the part to warp because of being the rigid support, can solve in the course of working because of the bracing point distributes the cutter that the unevenness leads to with the bracing point too few produces the sword that shakes in the cutting process, and the not good condition problem of workpiece surface quality, the processingquality has been improved when improving work efficiency, the cost of manufacture is low, and convenient for operation, therefore, the commonality is strong.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the combined use of the present invention.

Wherein: 1. a device housing; 2. an upper floating block; 3. a spring; 4. a lower support plate; 5. adjustable bolt, 6. plug; 7. a support bolt; 8. carrying out top thread; 9. thin-wall curved surface parts; 10. a base plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, an auxiliary elastic supporting device for a thin-wall curved surface part comprises: device shell 1, go up floating block 2, spring 3, bottom suspension fagging 4, adjustable bolt 5, plug 6, supporting bolt 7, wherein 2 clearance fit connection of top floating block are inside device shell 1, can slide from top to bottom in

device shell

The top end of the supporting bolt 7 is a spherical surface.

The utility model discloses can use alone, when thin wall class part supports pressure point and distributes unevenly, it is available the utility model discloses after bottom surface and workstation fixed contact, will the utility model discloses in contain in 7 elements of stay bolt with the non-planar work piece of spherical contact assist elastic support, or will the utility model discloses in contain in 7 elements of stay bolt the sphere replace into the plane of required size for assist elastic support plane work piece. And after the cambered surface or the plane of the top of the supporting bolt 7 is ideally attached to the workpiece, screwing the jackscrew 8 to limit the freedom degree of the up-and-down motion of the upper floating block 2 and the supporting bolt 7 so as to form rigid support. The embodiment can improve the processing efficiency, the processing quality and the vibration cutter.

The utility model discloses can also make up the use: will be a plurality of the utility model discloses evenly arrange on bottom plate 10, when thin wall curved surface class part supports the pressure point and distributes unevenly, with a plurality of the utility model discloses evenly arrange and carry out auxiliary stay on bottom plate 10, adjust supporting bolt 7's length according to the blank shape, only need put into supplementary elastic support device with the work piece and compress tightly, can realize the location clamping of work piece, need not manual adjustment support height, effectively improved the intensity of work piece, improved because of thin wall class curved surface part is not enough because of intensity, the not good condition of the processing surface quality who leads to. The embodiment greatly improves the working efficiency, and the device has the advantages of low manufacturing cost, simple operation, reliable precision, wide applicability and strong universality.

The base plate 10 is used to be fixed on a work table and to construct the auxiliary elastic supporting means.

The device housing 1 is coaxial with the prepared hole on the bottom plate 10.

The upper floating block 2 is an upper and lower moving part, is in contact with the spring 3, the device shell 1 and the adjustable bolt 5, and is an important component of the auxiliary elastic auxiliary supporting device.

The spring 3 is a fixed element, supports the upper floating block 2, and is coaxial with the device shell 1.

The supporting bolt 7 is a spherical top end and is in threaded connection with the upper floating block 2.

The lower supporting plate 4 is in contact with the spring 3 and plays a role in limiting the downward movement of the spring 3.

The adjustable bolt 5 is in contact with the lower support plate 4 and can be finely adjusted so as to increase the elasticity of the spring.

And the screw plug 6 is in threaded connection with the device shell 1 to seal the auxiliary elastic supporting device.

The jackscrew 8 with device shell 1 threaded connection inclines the top go up floating block 2 to play the fixed action.

The utility model provides an auxiliary elastic supporting device, this auxiliary elastic supporting device still include detachably with the base separation exclusive use, and right the stay bolt shape can be replaced, if: the point support of the spherical surface is changed into the plane support. The auxiliary supporting mode of the existing machining is combined for analysis, the auxiliary elastic supporting device can effectively improve the working efficiency and the processing quality, and the auxiliary elastic supporting device is simple to operate, low in manufacturing cost and high in universality.

Device shell

1 and 2 clearance fit of last floating block, utilize the spacing mutual restriction rotational freedom degree of shape and rotational freedom degree, last floating block 2 can slide from top to bottom, spring 3 and the restraint of the coaxial contact of last floating block 2, utilize the elasticity of spring 3 to make last floating block 2 have the function of floating support, bottom suspension fagging 4 and spring 3 and the restraint of the coaxial contact of device shell 1, and bottom suspension fagging 4 plane shape is the same with 1 inner chamber shape of device shell, come the rotational freedom degree and the rotational freedom degree of restriction backup pad 4 with this, bottom suspension fagging 4 restriction spring 3 downstream, when bottom suspension fagging 4 can reciprocate simultaneously, give the elasticity of 3 ascending holding power of spring in order to finely tune the spring. The adjustable bolt 5, the lower supporting plate 4 and the plug 6 are coaxially constrained, the plug 6 is in contact fit with the adjustable bolt 5 through internal threads, and is in contact fit with the device shell 1 through external threads to achieve locking and limit the upper floating block 2; a spring 3; a lower support plate 4; an adjustable bolt 5; the plug 6 has freedom to move downward. The supporting bolt 7 is in threaded connection with the upper floating block 2, and the supporting bolt 7 can be screwed into and out of the device shell 1 to adapt to supporting of irregular shapes of workpieces. The jackscrew 8 is in threaded connection with the device shell 1, further screws in and contacts with the side face of the upper floating block 2, and limits the degree of freedom of the up-and-down movement of the upper floating block 2 and the supporting bolt 7. The utility model discloses with bottom plate 10 coaxial contact, the utility model discloses bottom surface and bottom plate 10 bottom surface fixed contact.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the protection scope of the present invention is not limited to the details of the above embodiments, and within the technical concept of the present invention, any person skilled in the art is within the technical scope of the present invention, and according to the technical solution of the present invention and the inventive concept thereof, equivalent replacement or change is made, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides an auxiliary elastic supporting device of thin wall class curved surface part which characterized in that includes: device shell (1), go up floating block (2), spring (3), bottom suspension fagging (4), adjustable bolt (5), plug (6), supporting bolt (7), wherein go up floating block (2) clearance fit connects inside device shell (1), can slide from top to bottom in device shell (1), plug (6) threaded connection has been in device shell (1) bottom, and device shell (1) between plug (6) and device shell (1) inside has placed bottom suspension fagging (4), spring (3) have been placed in device shell (1) between bottom suspension fagging (4) and last floating block (2), supporting bolt (7) penetrate from device shell (1) top to threaded connection is on last floating block (2) in device shell (1).

2. The auxiliary elastic supporting device for the thin-wall curved surface part as claimed in claim 1, wherein the adjustable bolt (5) is connected in the plug (6), and the plug (6) with the adjustable bolt (5) is in threaded connection with the bottom of the device shell (1).

3. The auxiliary elastic supporting device for the thin-wall curved surface-like part according to claim 2 is characterized in that one end of the spring (3) is positioned in the upper floating block (2), and the other end of the spring is in contact with the lower supporting plate (4).

4. The auxiliary elastic supporting device for the thin-wall curved surface part as claimed in claim 3, further comprising a jackscrew (8), wherein the jackscrew (8) is in threaded connection with the side surface of the device shell (1) and penetrates into the device shell (1) to be in contact with the side surface of the upper floating block (2).

5. The auxiliary elastic supporting device for the thin-wall curved surface-like part as claimed in claim 4, wherein the top end of the supporting bolt (7) is a hemispherical surface.