阅读说明：本技术 浮动支撑装置 (Floating support device ) 是由 文哲峰 于 2021-08-03 设计创作，主要内容包括：本发明提供了一种浮动支撑装置,涉及自动化设备的技术领域,浮动支撑装置包括：本体、轴承固定轴、底座和平面轴承,所述本体的底端与所述底座连接；所述本体呈筒状,且内部具有水平活动空间；所述轴承固定轴位于所述水平活动空间内部,所述轴承固定轴的顶端连接有工作台；所述轴承固定轴的侧面与所述本体的内侧壁之间连接有多个拉簧,多个拉簧沿所述轴承固定轴的周向排布；所述平面轴承位于所述轴承固定轴的底面和底座之间。(The invention provides a floating support device, which relates to the technical field of automation equipment, and comprises: the bearing comprises a body, a bearing fixing shaft, a base and a plane bearing, wherein the bottom end of the body is connected with the base; the body is cylindrical and has a horizontal moving space inside; the bearing fixing shaft is positioned in the horizontal moving space, and the top end of the bearing fixing shaft is connected with a workbench; a plurality of tension springs are connected between the side surface of the bearing fixing shaft and the inner side wall of the body and are arranged along the circumferential direction of the bearing fixing shaft; the plane bearing is positioned between the bottom surface of the bearing fixing shaft and the base.)

1. A floating support device, comprising: the bearing comprises a body (100), a bearing fixing shaft (200), a base (300) and a plane bearing (400), wherein the bottom end of the body (100) is connected with the base (300); the body (100) is cylindrical and has a horizontal moving space inside;

the bearing fixing shaft (200) is positioned in the horizontal moving space, and the top end of the bearing fixing shaft (200) is connected with a workbench (500); a plurality of tension springs (600) are connected between the side surface of the bearing fixing shaft (200) and the inner side wall of the body (100), and the tension springs (600) are arranged along the circumferential direction of the bearing fixing shaft (200); the plane bearing (400) is positioned between the bottom surface of the bearing fixing shaft (200) and the base (300).

2. The floating support device according to claim 1, wherein a tension spring tab (210) is rotatably connected to a circumferential outer side of the bearing fixing shaft (200), and one end of the tension spring (600) is connected to the tension spring tab (210) so that the bearing fixing shaft (200) can rotate relative to the body (100).

3. A floating support arrangement according to claim 1, characterised in that an annular spacer (510) is provided between the work table (500) and the upper end face of the body (100).

4. The floating support device of claim 1, wherein an insulating cap (520) is attached to an upper surface of the work table (500).

5. The floating support device according to claim 1, characterized in that a stop block (310) is provided on the base (300), the stop block (310) being located inside an inner ring of the flat bearing (400).

6. The floating support device according to claim 5, characterized in that a bearing disk (320) is connected to the base (300), and the stop block (310) and the plane bearing (400) are both located above the bearing disk (320).

7. The floating support device according to any one of claims 1 to 6, characterized in that the body (100) comprises a circumferential side wall and a piston ring (700) located inside the circumferential side wall, the piston ring (700) being capable of up-and-down movement relative to the circumferential side wall;

a first inflation port (710) and a second inflation port (720) are arranged on the circumferential side wall, a first chamber (730) and a second chamber (740) are defined by the inner side wall of the circumferential side wall and the circumferential outer side wall of the piston ring (700), the first inflation port (710) is communicated with the first chamber (730), and the second inflation port (720) is communicated with the second chamber (740);

a piston disc (230) is arranged at the bottom end of the bearing fixing shaft (200), the bottom surface of the piston disc (230) is connected with the plane bearing (400), and the piston disc (230) is positioned below the piston ring (700);

the first inflation port (710) is used for inflating the first chamber (730) to enable the piston ring (700) to move downwards and to be pressed on the piston disc (230); the second inflation port (720) is used to inflate the second chamber (740) to move the piston ring (700) upward and away from the piston disc (230).

8. The floating support device according to claim 7, characterized in that an annular groove is provided on the inner wall of the circumferential side wall, and an annular protrusion is provided on the circumferential outer wall of the piston ring (700), the annular protrusion being located in the annular groove;

sealing rings are arranged between the side walls of the upper side and the lower side of the annular bulge and the circumferential side wall on the piston ring (700), and between the top surface of the annular bulge and the bottom surface of the annular recess;

the annular convex thickness value is smaller than the annular concave width value, a first cavity (730) is arranged between the annular convex upper surface and the annular concave annular fixed surface, and a second cavity (740) is arranged between the annular convex annular lower surface and the annular concave annular bottom surface.

9. The floating support arrangement according to claim 8, characterized in that the circumferential side wall comprises an upper part (110) and a lower part (120), the upper part (110) and the lower part (120) enclosing the annular recess with a sealing ring between the upper part (110) and the lower part (120).

10. The floating support device according to claim 9, wherein the upper portion (110) and the lower portion (120) are connected by a fixing bolt (130), the number of the fixing bolts (130) is plural, and one end of the tension spring (600) is connected with the fixing bolt (130).

Technical Field

The invention relates to the field of automation equipment, in particular to a floating support device.

Background

In an assembly line in the liquid crystal panel industry, the requirement on the error of an origin is high.

The receiver that loads liquid crystal display panel is transported coordinate adjustment station department, and the receiver is supported by strutting arrangement, then promotes the receiver through the telescopic machanism of the left and right sides to the position of adjustment receiver.

However, in actual work, the storage box has a certain dead weight, so that a large friction force is generated between the storage box and a supporting surface of the fixed supporting device in the transverse moving process, and the original point is not easy to position.

Disclosure of Invention

The invention aims to provide a floating support device, which is used for solving the technical problems that the existing liquid crystal panel generates larger friction force with a support surface of a fixed support device in the transverse moving process and is not easy to position an original point.

The embodiment of the invention provides a floating support device, which comprises: the bearing comprises a body, a bearing fixing shaft, a base and a plane bearing, wherein the bottom end of the body is connected with the base; the body is cylindrical and has a horizontal moving space inside;

the bearing fixing shaft is positioned in the horizontal moving space, and the top end of the bearing fixing shaft is connected with a workbench; a plurality of tension springs are connected between the side surface of the bearing fixing shaft and the inner side wall of the body and are arranged along the circumferential direction of the bearing fixing shaft; the plane bearing is positioned between the bottom surface of the bearing fixing shaft and the base.

Furthermore, the bearing fixing shaft is rotatably connected with a tension spring pulling piece on the circumferential outer side, and one end of a tension spring is connected to the tension spring pulling piece, so that the bearing fixing shaft can rotate relative to the body.

Furthermore, an annular spacer is arranged between the workbench and the upper end face of the body.

Furthermore, the upper surface of the workbench is connected with an insulating cap.

Furthermore, a limiting block is arranged on the base and is positioned on the inner side of the inner ring of the plane bearing.

Furthermore, a bearing disc is connected to the base, and the limiting block and the plane bearing are both located above the bearing disc.

Further, the body comprises a circumferential side wall and a piston ring positioned on the inner side of the circumferential side wall, and the piston ring can move in the up-and-down direction relative to the circumferential side wall;

a first inflation opening and a second inflation opening are formed in the circumferential side wall, a first chamber and a second chamber are defined by the inner side wall of the circumferential side wall and the circumferential outer side wall of the piston ring, the first inflation opening is communicated with the first chamber, and the second inflation opening is communicated with the second chamber;

a piston disc is arranged at the bottom end of the bearing fixing shaft, the bottom surface of the piston disc is connected with the planar bearing, and the piston disc is positioned below the piston ring;

the first inflation port is used for inflating the first chamber to enable the piston ring to move downwards and to be in press connection with the piston disc; the second inflation port is used for inflating the second chamber to enable the piston ring to move upwards and separate from the piston disc.

Furthermore, an annular groove is formed in the inner wall of the circumferential side wall, an annular protrusion is arranged on the circumferential outer wall of the piston ring, and the annular protrusion is located in the annular groove;

sealing rings are arranged on the piston ring between the side walls on the upper side and the lower side of the annular bulge and the circumferential side wall, and between the top surface of the annular bulge and the bottom surface of the annular recess;

the annular convex thickness value is smaller than the annular concave width value, a first cavity is formed between the annular convex upper surface and the annular concave annular fixed surface, and a second cavity is formed between the annular convex lower surface and the annular concave annular bottom surface.

Further, the circumferential side wall includes an upper portion and a lower portion, the upper portion and the lower portion enclose the annular recess, and a sealing ring is provided between the upper portion and the lower portion.

Further, the upper portion with lower part passes through fixing bolt and connects, fixing bolt's quantity is a plurality of, the one end of extension spring with fixing bolt connects.

The floating support device provided by the embodiment of the invention comprises: the bearing fixing shaft can transversely move in a horizontal moving space relative to the body, and can restore to an original balance position under the action of the tension springs after moving. The receiver that loads liquid crystal display panel can be supported on the workstation, and when the receiver received positioner's promotion, the receiver can be along with the workstation come-up in the horizontal direction together, can not produce sliding friction between receiver and the workstation, avoids floating support device's holding surface wearing and tearing, and floating support device's consume reduces, and the initial point location can be more accurate.

Drawings

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

FIG. 1 is a schematic view of a floating support apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 2.

Icon: 100-body; 110-upper part; 120-lower part; 130-fixing bolts; 200-a bearing fixing shaft; 210-tension spring pull tab; 220-O-shaped ring; 230-a piston disc; 300-a base; 310-a limiting block; 320-a bearing disc; 400-plane bearing; 500-a workbench; 510-a spacer; 511-barrel-shaped limit edge; 520-an insulating cap; 600-tension spring; 700-piston ring; 710-a first inflation port; 720-a second inflation port; 730-a first chamber; 740 — a second chamber.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to fig. 3, the floating support device provided in the embodiment of the present invention may be used to support a storage box for loading a liquid crystal panel, and may also be used to support other components that need to be positioned at an origin.

The floating support device includes: the bearing comprises a body 100, a bearing fixing shaft 200, a base 300 and a plane bearing 400, wherein the bottom end of the body 100 and the base 300 can be connected through bolts.

Body 100 is the tube-shape, and inside has horizontal activity space, bearing fixed axle 200 is located inside the horizontal activity space, the top of bearing fixed axle 200 is connected with workstation 500, and workstation 500 is used for supporting the receiver.

The side of bearing fixed axle 200 with be connected with a plurality of extension springs 600 between the inside wall of body 100, extension spring 600 is along the radial extension of bearing fixed axle 200, and the quantity of extension spring 600 can be 4, 6, 8 or more, and a plurality of extension springs 600 are followed bearing fixed axle 200's circumference is arranged, and the central angle between two adjacent extension springs 600 of circumference is the same. The plane bearing 400 is located between the bottom surface of the bearing fixing shaft 200 and the base 300.

The circumferential outer side of the bearing fixing shaft 200 is connected with the inner wall of the body 100 by a plurality of tension springs 600, and the bottom of the bearing fixing shaft 200 is pressed on the plane bearing 400, so that the bearing fixing shaft 200 can move transversely relative to the body 100 in the horizontal movement space and can be restored to the original balance position by the tension springs 600 after moving. The four floating supporting devices can be placed on the path of the conveying belt, after four corners of the storage box loaded with the liquid crystal panel move to the four floating supporting devices respectively, the storage box is supported on the workbench 500, the pushing mechanisms on the left side and the right side of the storage box are started, the storage box can float in the horizontal direction along with the workbench 500, the position of the storage box can be adjusted in the horizontal direction, and the device can realize the movement of the workbench in the range of 5-100 mm on the horizontal plane. Sliding friction can not be generated between the storage box and the workbench 500, the abrasion of the supporting surface of the floating supporting device is avoided, the loss of the floating supporting device is reduced, and the original point positioning can be more accurate.

A tension spring pull tab 210 is rotatably connected to the circumferential outer side of the bearing fixing shaft 200, and one end of a tension spring 600 is connected to the tension spring pull tab 210, so that the bearing fixing shaft 200 can rotate relative to the body 100.

Extension spring pulling-on piece 210 is cyclic annular, has the mounting hole in the middle of it, has the support mesa of notch cuttype on the upper end lateral wall of bearing fixed axle 200, and extension spring pulling-on piece 210 overlaps on bearing fixed axle 200 and supports in supporting the mesa top, still has the spacing groove on the lateral wall of bearing fixed axle 200, and the spacing inslot has cup jointed O type circle 220, O type circle 220 with support the mesa centre gripping extension spring pulling-on piece 210. The tension spring tab 210 may rotate with respect to the bearing fixing shaft 200 but may not move up and down with respect to the bearing fixing shaft 200, and one end of the tension spring 600 is connected to the body 100 and the other end is connected to the tension spring tab 210, so that the bearing fixing shaft 200 may rotate with respect to the body 100, that is, the receiving case supported on the table 500 may rotate.

An annular spacer 510 is disposed between the work table 500 and the upper end surface of the body 100.

Be provided with the annular mounting groove sunken to the outside on the inside wall of body 100, have extension spring 600 connecting portion in the annular mounting groove, the one end of extension spring 600 stretches into in the annular mounting groove and is connected with extension spring 600 connecting portion. The lower surface of the working table 500 has a certain gap with the top end of the body 100, the gap can be filled by the spacer 510, the annular inner side of the spacer 510 is provided with a cylindrical limiting edge 511 extending downwards, the cylindrical limiting edge 511 extends into the inner side of the upper end opening of the body 100, the outer diameter of the cylindrical limiting edge 511 is smaller than the inner diameter of the upper end opening of the body 100, and the cylindrical limiting edge 511 can slide in the upper end opening of the body 100.

An insulating cap 520 is connected to the upper surface of the worktable 500, and the insulating cap 520 may be made of polypropylene.

The base 300 is provided with a limiting block 310, the limiting block 310 is located on the inner side of the inner ring of the plane bearing 400, the upper side of the plane bearing 400 is pressed by the bearing fixing shaft 200, the limiting block 310 located in the middle of the base 300 can avoid the plane bearing 400 from sliding out of the lower side of the bearing fixing shaft 200, the limiting block 310 can be made of rubber, and the damping effect is achieved, namely the plane bearing 400 reduces the collision force between the plane bearing 400 and the limiting block 310.

The base 300 is connected with a bearing disc 320, the limiting block 310 and the plane bearing 400 are both located above the bearing disc 320, and the bearing disc 320 and the base 300 can be connected through bolts.

The body 100 comprises a circumferential side wall and a piston ring 700 positioned inside the circumferential side wall, wherein the piston ring 700 can move in the up-and-down direction relative to the circumferential side wall; a first inflation port 710 and a second inflation port 720 are arranged on the circumferential side wall, a first chamber 730 and a second chamber 740 are defined by the inner side wall of the circumferential side wall and the circumferential outer side wall of the piston ring 700, the first inflation port 710 is communicated with the first chamber 730, and the second inflation port 720 is communicated with the second chamber 740; a piston disc 230 is arranged at the bottom end of the bearing fixing shaft 200, the bottom surface of the piston disc 230 is connected with the plane bearing 400, and the piston disc 230 is positioned below the piston ring 700; the first inflation port 710 is used to inflate the first chamber 730 to move the piston ring 700 downward and press against the piston disc 230; the second inflation port 720 is used to inflate the second chamber 740 to move the piston ring 700 upward and away from the piston disc 230.

The circumferential outer side wall of the piston ring 700 is connected with the circumferential inner side wall of the body 100 in a sliding manner up and down, the piston ring 700 can move 10-20 mm in the up and down direction relative to the body 100, a first chamber 730 and a second chamber 740 are formed between the piston ring 700 and the body 100, the first chamber 730 can comprise a top surface formed by axial side walls and a bottom surface formed by side walls of the piston ring 700, and after the first chamber 730 is inflated through the first inflation port 710, the piston ring 700 can move down relative to the body 100; similarly, the second chamber 740 may include a top surface formed by the side walls of the piston ring 700 and a bottom surface formed by the circumferential side walls, and the piston ring 700 may move upward relative to the body 100 upon inflation of the second chamber 740 through the second inflation port 720. When the piston ring 700 is separated from the piston disc 230, the bearing fixing shaft 200 can freely move laterally in the horizontal direction, and when the piston ring 700 descends and presses on the piston disc 230, the bearing fixing shaft 200 is fixed, and similarly, when the first chamber 730 is deflated and the second chamber 740 is inflated, the piston ring 700 moves upward, the piston ring 700 is separated from the piston disc 230, and the bearing fixing shaft 200 can freely move.

Specifically, an annular groove is formed in the inner wall of the circumferential side wall, and an annular protrusion is formed in the circumferential outer wall of the piston ring 700 and located in the annular groove; sealing rings are arranged between the side walls of the piston ring 700 positioned at the upper side and the lower side of the annular protrusion and the circumferential side wall, and between the top surface of the annular protrusion and the bottom surface of the annular recess; the thickness of the annular protrusion is smaller than the width of the annular recess, a first chamber 730 is formed between the annular upper surface of the annular protrusion and the annular bottom surface of the annular recess, and a second chamber 740 is formed between the annular lower surface of the annular protrusion and the annular bottom surface of the annular recess.

The bottom of the piston ring 700 is provided with a rubber ring for abutment with the piston disc 230 for increasing the friction.

The annular protrusion of the piston ring 700 may move up and down in the annular recess, and a first chamber 730 and a second chamber 740 are vertically formed between the annular protrusion and the annular recess, and two sealing rings located at upper and lower sides of the first chamber 730 ensure the sealing performance of the first chamber 730. Two sealing rings located on the upper and lower sides of the second chamber 740 ensure the sealing performance of the second chamber 740.

To facilitate the installation of the piston ring 700, the circumferential side wall includes an upper portion 110 and a lower portion 120, the upper portion 110 and the lower portion 120 enclose the annular recess, the piston ring 700 may be first connected to the lower portion 120, then the upper portion 110 is covered above the upper portion 110 to ensure that the annular protrusion is located in the annular recess formed by the upper portion 110 and the lower portion 120, and then the upper portion 110 and the lower portion 120 may be connected by bolts. In order to improve the air tightness, a sealing ring is provided between the upper part 110 and the lower part 120.

Further, the upper portion 110 and the lower portion 120 are connected through a fixing bolt 130, the number of the fixing bolts 130 is multiple, the fixing bolts 130 correspond to the number of the tension springs 600 one by one, one end of each tension spring 600 can be hooked on the corresponding fixing bolt 130, the structural design is simple, and parts are saved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.