CN215393321U

CN215393321U - Floating support mechanism

Info

Publication number: CN215393321U
Application number: CN202120551197.3U
Authority: CN
Inventors: 胡凯; 宣成汝
Original assignee: Dalian Auto Tech Inc Corp
Current assignee: Dalian Auto Tech Inc Corp
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-04
Anticipated expiration: 2031-03-17

Abstract

The utility model belongs to the field of automobile manufacturing, and discloses a floating support mechanism. The mechanism comprises a cylinder with a base, a connecting plate with a bottom surface fixedly connected with the upper part of the cylinder and a top surface in threaded connection with a metal lug, wherein a gap is reserved between the metal lug and the connecting plate, and the connecting plate is provided with an elastic element. According to the floating support mechanism provided by the utility model, the clearance is reserved between the metal bump and the connecting plate, and the elastic element is added to form the floating space, so that the distance between the floating support mechanism and the workpiece can be well balanced, and the top end of the metal bump is tightly attached to the workpiece. The utility model is suitable for supporting the workpiece needing surface treatment, in particular to the workpiece needing surface treatment and having irregular surface.

Description

Floating support mechanism

Technical Field

The utility model belongs to the field of automobile manufacturing, and relates to a supporting mechanism, in particular to a floating supporting mechanism.

Background

Currently, in the field of automobile manufacturing, positioning treatment is often needed on the periphery of the welding surface of a workpiece. In the processing process, the area of the surface of the workpiece which is not processed is not supported, so that the surface of the workpiece is easy to damage; the existing supporting mechanism adopts a fixed supporting mode, and for a workpiece with an arc surface or an irregular shape on the surface, the top end of the supporting piece cannot be well attached to the surface of the workpiece in the supporting mode, and a gap is reserved between the top end of the supporting piece and the surface of the workpiece, so that the surface of the workpiece deforms in the processing process, the quality of the workpiece is further influenced, and the problem is particularly reflected in the surface welding process. Because the supporting piece can not be well attached to the surface of the workpiece, the quality problems of deformation, damage and the like of a welding part occur when the surface of the workpiece is welded. Meanwhile, the flexibility of the fixed supporting mechanism is poor, although the swinging cylinder can be used for supporting and positioning together with the link mechanism, the flexibility of the supporting mechanism can be improved, the structure of the used link mechanism is complex, the probability of failure of the link mechanism in the long-time operation process is high, the stability of the whole mechanism cannot be ensured, and the production time cost is greatly consumed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a floating support mechanism so as to achieve the purposes of simple structure, flexible operation, close fit with a workpiece, stable operation and low failure rate.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a floating support mechanism comprises an air cylinder, a connecting plate and a metal lug, wherein the air cylinder, the connecting plate and the metal lug are arranged from bottom to top, the air cylinder is fixedly connected with the connecting plate, the metal lug is connected with the connecting plate through a bolt, a gap is reserved between the metal lug and the connecting plate, and an elastic element is arranged between the metal lug and the connecting plate;

as a limitation of the utility model, the connecting plate is provided with a screw hole; through holes are correspondingly formed in the metal lug and the screw hole in the connecting plate, and a bolt penetrates through the through holes from the upper side of the metal lug and is matched with the screw hole in the connecting plate; the bolt is provided with an insulating sleeve;

as a further limitation of the utility model, the diameter of the through hole on the metal bump is larger than the diameter of the bolt body;

as another limitation of the present invention, an insulating layer is disposed between the connecting plate and the metal bump, and the elastic element is disposed between the metal bump and the insulating layer;

as a third limitation of the present invention, a position of the metal bump in contact with the elastic element is provided with a limiting groove;

as a fourth limitation of the present invention, the number of the elastic elements is 3 or more, and the elastic elements are arranged in a circular array;

due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

according to the floating support mechanism provided by the utility model, the clearance is reserved between the metal bump and the connecting plate, the elastic element is added to form a floating space, the distance between the metal bump and a workpiece can be well balanced, the floating of the elastic element can adjust the self height error, the error of the fixed form of the attaching end is reduced, welding shunting caused by poor attaching degree is avoided, the stability of the mechanism is improved, and the problem of convex-concave quality possibly generated when the surface of the workpiece is treated is solved.

In summary, the floating support mechanism provided by the utility model has a simple structure, and has good adhesion and stability with the workpiece when supporting the workpiece.

The utility model is suitable for supporting the workpiece needing surface treatment, in particular to the workpiece needing surface treatment and having irregular surface.

Drawings

The utility model is described in further detail below with reference to the figures and the embodiments.

Fig. 1 is a schematic structural diagram of a floating support mechanism in an operating state according to an embodiment of the present invention.

In the figure: 1. a base; 2. a compact cylinder; 3. a connecting plate; 4. an insulating layer; 5. a metal bump; 6. a resilient element; 7. a bolt; 8. an insulating sleeve; 9. a switch detection board; 10. a working position detection switch; 11. an initial position detection switch.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the description of the preferred embodiment is only for purposes of illustration and understanding, and is not intended to limit the utility model.

Embodiment a floating support mechanism

As shown in fig. 1, the present embodiment includes a compact cylinder 2 with a base 1, a connecting plate 3, an insulating layer 4, an elastic member 6 (the elastic member selected in the present embodiment is a spring), and a metal bump 5. Wherein, the connecting plate 3, the insulating layer 4, the four springs and the metal bump 5 are all arranged at the free end of the compact cylinder 2 in sequence; the connecting plate 3 is horizontally fixed at the free end of the compact cylinder 2, so that the connecting plate 3 can reciprocate up and down along with the free end of the compact cylinder 2; the insulating layer 4, the four springs and the metal bump 5 are all arranged on the connecting plate 3, wherein the four springs are arranged between the insulating layer 4 and the metal bump 5; a screw hole is formed in the connecting plate 3, and a switch detection plate 9 fixedly connected with the connecting plate 3 through threads is arranged on the side surface of the connecting plate; through holes corresponding to the positions of the screw holes in the connecting plate 3 are formed in the insulating layer 4 and the metal bumps 5; the four springs are arranged between the insulating layer 4 and the metal lug 5 in an annular array mode, and a limiting groove is formed in the contact surface of the metal lug 5 and the springs and used for preventing the springs from falling off; the connecting plate 3, the insulating layer 4 and the metal bump 5 are connected with the connecting plate 3 in a threaded manner through the through holes of the metal bump 5 and the insulating layer 4 from top to bottom in sequence through bolts which are provided with insulating sleeves and are matched with the screw holes on the connecting plate 3.

The metal lug 5 can be replaced by other supporting pieces according to requirements, the metal lug can be replaced by an electrode copper block in the process of electric fusion welding, and an electric field is formed to weld the surface of a workpiece while the workpiece is supported;

the number of the springs arranged in the annular array between the metal bump 5 and the insulating layer 4 may also be increased or decreased according to the actual use condition, and is not limited to the number described in this embodiment, and the number of the springs described in this embodiment is only used to help describe the structure of the floating support mechanism, and is not used as a limitation condition of the floating support mechanism to be protected by the present invention;

the insulating layer 4 is added to be suitable for electrode positioning welding of electric melting welding, and the welding effect is not ideal due to electrode shunting in the welding process. The insulating layer 4 can be replaced by layers of different materials according to different application fields.

When the device is used, the working position detection switch 10 and the initial position detection switch 11 are respectively arranged on other connecting components, and in a standby state, the switch detection plate 9 fixed on the side surface of the connecting plate 3 stays at the initial position detection switch 11; when the mechanism works, the upper part of the compact cylinder 2 drives the switch detection plate 9 to extend out of an area, needing to be supported, of a workpiece, when the switch detection plate 9 reaches the working position detection switch 10, the compact cylinder stops moving, the metal lug 5 at the top end of the mechanism applies force to the spring 6 clamped between the metal lug 5 and the connecting plate 3 along with the surface of the workpiece supporting area, and therefore the metal lug 5 is tightly attached to the workpiece supporting area.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a supporting mechanism floats, includes cylinder, connecting plate, the metal convex block that sets up from bottom to top, and cylinder and connecting plate fixed connection, the metal convex block passes through bolted connection, its characterized in that with the connecting plate: a gap is reserved between the metal lug and the connecting plate, and an elastic element is arranged.

2. The floating support mechanism of claim 1, wherein: the connecting plate is provided with a screw hole; through holes are correspondingly formed in the metal lug and the screw hole in the connecting plate, and a bolt penetrates through the through holes from the upper side of the metal lug and is matched with the screw hole in the connecting plate; the bolt is provided with an insulating sleeve.

3. The floating support mechanism of claim 1 or 2, wherein: the diameter of the through hole on the metal lug is larger than the outer diameter of the bolt body and smaller than the diameter of the bolt cap.

4. The floating support mechanism of claim 1 or 2, wherein: an insulating layer is arranged between the connecting plate and the metal lug, and the elastic element is arranged between the metal lug and the insulating layer.

5. The floating support mechanism of claim 3, wherein: an insulating layer is arranged between the connecting plate and the metal lug, and the elastic element is arranged between the metal lug and the insulating layer.

6. The floating support mechanism of claim 4, wherein: and a limiting groove is arranged at the contact position of the metal lug and the elastic element.

7. The floating support mechanism of claim 1, 2 or 5, wherein: and a limiting groove is arranged at the contact position of the metal lug and the elastic element.

8. The floating support mechanism of claim 6, wherein: the elastic elements are more than 3 and are arranged in a ring array.

9. The floating support mechanism of claim 7, wherein: the elastic elements are more than 3 and are arranged in a ring array.