CN217512215U - Rotary supporting arm mechanism - Google Patents

Abstract

The utility model relates to a rotary bracket arm mechanism, which relates to the technical field of automobile manufacturing, and comprises a main rotating shaft, wherein the top end of the main rotating shaft passes through a tray and is movably connected with the tray, a guide sleeve is arranged outside the main rotating shaft, the top of the guide sleeve is fixedly connected with the tray, the top end of the main rotating shaft is fixedly connected with a stop block for preventing the main rotating shaft from falling off downwards along the guide sleeve, the bottom end of the guide sleeve is fixedly connected with a positioning plate, an L-shaped elbow bracket arm is fixedly connected below the main rotating shaft, a supporting piece is fixedly connected at the tail end of a transverse arm of the L-shaped elbow bracket arm, and a rotary driving mechanism is arranged at the bottom end of the L-shaped elbow bracket arm; the problem of automobile body and trailing arm interference among the prior art has been solved effectively.

Description

Rotary supporting arm mechanism

Technical Field

The utility model relates to an automobile coating trailing arm technical field specifically is a rotatory trailing arm mechanism.

Background

The automobile needs to use the tray to finish the process of placing the automobile body to be coated on a PVC coating station, usually, a support arm below the tray supports the automobile body to be coated to descend so as to place the automobile body on an appointed station, after the coating operation is finished, the automobile body is conveyed to a next station by a conveying mechanism below the coating station, and then the tray ascends to accept the next automobile body to be coated.

The current trailing arm fixed mounting will have the trailing arm to have the problem of interfering with the automobile body to different motorcycle types in tray below.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the prior art defect, the utility model provides a rotatory trailing arm mechanism has solved the problem that automobile body and trailing arm among the prior art interfere effectively.

The utility model relates to a rotatory trailing arm mechanism that realizes through following technical scheme, including the main rotation axis, tray and tray swing joint are passed on the main rotation axis top, the main rotation axis outside sets up guide sleeve, guide sleeve top and tray fixed connection, main rotation axis top fixedly connected with dog prevents the main rotation axis and drops downwards along guide sleeve, guide sleeve bottom fixed connection locating plate, main rotation axis below fixedly connected with L type return bend trailing arm, the terminal fixed connection support piece of xarm of L type return bend trailing arm, the bottom of L type return bend trailing arm sets up rotation drive mechanism.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the positioning plate is provided with a rotary positioning mechanism for positioning the L-shaped bent pipe bracket.

Preferably, the rotary positioning mechanism comprises a fixing plate, the fixing plate is fixedly connected to the top end of the L-shaped elbow supporting arm, the fixing plate is fixedly connected with the lower end of the main rotating shaft, a fixing pin shaft is fixedly connected to one side of the fixing plate, an arc-shaped hole with the main rotating shaft as the center of a circle is formed in the positioning plate, the fixing pin shaft penetrates through the arc-shaped hole and is arranged above the fixing pin shaft, positioning holes are formed in two ends of the outer side of the arc-shaped hole, a connecting block is fixed to the top end of the fixing pin shaft, a fixing connecting positioning pin is fixedly connected to the connecting block, and the positioning pin is arranged in the positioning holes through a clamp to achieve positioning of the L-shaped elbow supporting arm.

Preferably, the rotation driving mechanism comprises a rotating table, the rotating table is externally connected with a driving source, a connecting piece is arranged at the position above the rotating table corresponding to the L-shaped bent pipe supporting arm, and the connecting piece drives the connecting piece to rotate when being connected with the rotating table.

Preferably, the connecting piece is the horizontal piece that perpendicular L type return bend trailing arm set up, horizontal piece and L type return bend trailing arm bottom fixed connection, the revolving stage top set up with the recess of horizontal piece looks adaptation.

Preferably, the connecting member is disposed directly below the main rotating shaft.

The beneficial effects of the utility model reside in that:

by arranging the main rotating shaft, the guide sleeve, the positioning plate and the L-shaped bent pipe bracket arm, when a bracket arm trailer body below the tray is lowered to a specified position, the bottom end of the L-shaped bent pipe bracket arm is communicated with the rotation driving mechanism, and the rotation driving mechanism rotates to drive the L-shaped bent pipe bracket arm to rotate, namely, the main rotating shaft rotates by a certain angle along with the rotation of the L-shaped bent pipe bracket arm and directly rises along with the tray after no interference is generated with the trailer body, so that the interference between the bracket arm and the trailer body is effectively avoided; meanwhile, a positioning mechanism is further arranged on the positioning plate, so that the supporting arm can be accurately positioned after rotating, and the operation precision is improved.

Drawings

FIG. 1 is a schematic view of the working state of the present invention;

FIG. 2 is a view taken from the direction A of FIG. 1;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is an enlarged schematic view of a portion of the positioning plate of the present invention;

FIG. 5 is a schematic view of a fixation plate;

fig. 6 is a schematic partial cross-sectional view of the present invention;

FIG. 7 is a schematic sectional view taken along line B in FIG. 6;

fig. 8 is a schematic sectional view taken along the direction C in fig. 6.

Description of the reference numerals

1. A main rotating shaft; 2. a tray; 3. a guide sleeve; 4. a stopper; 5. positioning a plate; 6. an L-shaped bent pipe bracket arm; 7. a fixing plate; 8. fixing a pin shaft; 9. an arc-shaped hole; 10. positioning holes; 11. connecting blocks; 12. positioning pins; 13. a connecting member; 14. a rotating table; 16. and (4) a groove.

Detailed Description

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-8, a rotary bracket mechanism comprises a main rotating shaft 1, the top end of the main rotating shaft 1 passes through a tray 2 and is movably connected with the tray 2, the main rotating shaft 1 can move up and down on the tray 2 and also can rotate, a guide sleeve 3 is arranged outside the main rotating shaft 1, the top of the guide sleeve 3 is fixedly connected with the tray 2, a stop block 4 is fixedly connected with the top end of the main rotating shaft 1 to prevent the main rotating shaft 1 from falling down along the guide sleeve 3, a positioning plate 5 is fixedly connected with the bottom end of the guide sleeve 3, when the main rotating shaft 1 moves up along the guide sleeve 3, an L-shaped elbow bracket 6 at the lower end of the main rotating shaft 1 is pushed against the positioning plate and then the main rotating shaft 1 stops moving up, an L-shaped elbow bracket 6 is fixedly connected below the main rotating shaft 1, a support 61 is fixedly connected with the tail end of a cross arm of the L-shaped elbow bracket 6 and is used for supporting a vehicle body, a rotary driving mechanism is arranged at the bottom end of the L-shaped elbow bracket 6, is used for driving the main rotating shaft 1 to rotate, thereby driving the L-shaped elbow bracket arm 6 to rotate.

When the automatic gluing device works, when a supporting arm below a tray drags a vehicle body to move downwards, the vehicle body is placed on a gluing station, the tray stops moving downwards after the vehicle body is placed on the station, meanwhile, the L-shaped bent pipe supporting arm is upwards jacked to slide upwards after contacting with a driving mechanism below, namely, a main rotating shaft upwards slides along a guide sleeve until the top end of the L-shaped bent pipe supporting arm jacks the bottom of a positioning plate, the main rotating shaft stops moving upwards, then a rotating driving mechanism is started, the L-shaped bent pipe supporting arm is driven to rotate until the L-shaped bent pipe supporting arm does not interfere with the vehicle body, and the tray drives the supporting arm to upwards rise.

In order to accurately position the bracket arm 6 after rotation, a rotation positioning mechanism is arranged on the positioning plate 5 and used for positioning the L-shaped bent pipe bracket arm 6 and the L-shaped bent pipe bracket arm 6.

The concrete structure of rotary positioning mechanism includes fixed plate 7, fixed plate 7 fixed connection is on 6 tops of L type return bend trailing arm, fixed plate 7 and 1 lower extreme fixed connection of main rotation axis, fixed plate 7 one side fixed connection fixed pin 8, set up the arc hole 9 that uses main rotation axis 1 as the centre of a circle on the locating plate 5, arc hole 9 and arc hole swing joint are passed to fixed pin 8 top, locating hole 10 is seted up at 9 outside both ends in arc hole, 8 top fixed connection piece 11 in fixed pin, fixed connection locating pin 12 on the connecting block 11, locating pin 12 establishes through the card and realizes the location of L type return bend trailing arm 6 in locating hole 10.

When in work, the bracket arm below the tray is in a state of being vertical to the cross bar of the tray, the positioning pin is positioned in the positioning hole at the lower side in figure 8, the tray drags the vehicle body to move downwards, in the process of placing the vehicle body on the gluing station, the tray stops moving downwards after the vehicle body is placed on the station, and meanwhile, the L-shaped bent pipe bracket arm is jacked upwards to slide upwards after contacting with a driving mechanism below, namely, the main rotating shaft slides upwards along the guide sleeve until the top end of the L-shaped bent pipe bracket pushes against the bottom of the positioning plate, the main rotating shaft stops moving upwards, the fixed pin shaft 8 drives the positioning pin to be separated from the positioning hole on the lower side, then the driving mechanism is rotated to be started to drive the L-shaped bent pipe bracket to rotate along the arc-shaped hole to the other end of the arc-shaped hole, at this time, the transverse wall of the bracket arm is parallel to the transverse arm of the tray, and the positioning pin falls into the positioning hole on the upper side in the figure 8 in the process that the tray drives the bracket arm to rise upwards.

The rotation driving mechanism comprises a rotating platform 14, the rotating platform 14 is fixed on the ground on two sides of the gluing station, a driving source 15 is connected to the outside of the rotating platform 14 and used for driving the rotating platform 14 to rotate, a connecting piece 13 is fixed on the upper portion of the rotating platform 14 and corresponds to the L-shaped bent pipe bracket 6, the connecting piece 13 is installed right below the main rotating shaft 1, and when the connecting piece 13 is connected with the rotating platform 14, the rotating platform 14 drives the connecting piece 13 to rotate.

The connecting piece 13 is the horizontal piece that perpendicular L type return bend trailing arm 6 set up, horizontal piece and the 6 bottom fixed connection of L type return bend trailing arm, and revolving stage 14 top sets up the recess 16 with horizontal piece looks adaptation, and the during operation horizontal piece is placed in the recess after, makes things convenient for revolving stage drive trailing arm to rotate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or replace some technical features of the embodiments with equivalent alternatives, modifications, equivalents, improvements and the like within the spirit and principle of the present invention.

Claims (6)

1. The utility model provides a rotatory trailing arm mechanism, its characterized in that includes main rotation axis (1), tray (2) and tray (2) swing joint are passed on main rotation axis (1) top, main rotation axis (1) outside sets up guide sleeve (3), guide sleeve (3) top and tray (2) fixed connection, main rotation axis (1) top fixedly connected with dog (4) prevent main rotation axis (1) and follow guide sleeve (3) and drop downwards, guide sleeve (3) bottom fixed connection locating plate (5), main rotation axis (1) below fixedly connected with L type return bend trailing arm (6), terminal fixed connection support piece (61) of xarm of L type return bend trailing arm (6), the bottom of L type return bend trailing arm (6) sets up rotation drive mechanism.

2. A rotary bracket arm mechanism according to claim 1, characterized in that the positioning plate (5) is provided with a rotary positioning mechanism for positioning the L-shaped elbow bracket arm (6).

3. A rotary bracket arm mechanism according to claim 2, characterized in that the rotary positioning mechanism comprises a fixed plate (7), the fixing plate (7) is fixedly connected with the top end of the L-shaped bent pipe bracket arm (6), the fixing plate (7) is fixedly connected with the lower end of the main rotating shaft (1), a fixed pin shaft (8) is fixedly connected with one side of the fixed plate (7), an arc-shaped hole (9) which takes the main rotating shaft (1) as the center of a circle is arranged on the positioning plate (5), the upper part of the fixed pin shaft (8) is arranged by penetrating through an arc-shaped hole (9), two ends of the outer side of the arc-shaped hole (9) are provided with positioning holes (10), a connecting block (11) is fixed at the top end of the fixed pin shaft (8), a positioning pin (12) is fixedly connected on the connecting block (11), the positioning pin (12) is clamped in the positioning hole (10) to position the L-shaped bent pipe supporting arm (6).

4. The rotary bracket arm mechanism is characterized in that the rotary driving mechanism comprises a rotary table (14), a driving source (15) is connected outside the rotary table (14), a connecting piece (13) is arranged above the rotary table (14) and corresponds to the L-shaped elbow bracket arm (6), and the rotary table (14) drives the connecting piece (13) to rotate when the connecting piece (13) is connected with the rotary table (14).

5. The rotary bracket arm mechanism according to claim 4, characterized in that the connecting piece (13) is a cross block arranged perpendicular to the L-shaped elbow bracket arm (6), the cross block is fixedly connected with the bottom end of the L-shaped elbow bracket arm (6), and the top of the rotary table (14) is provided with a groove (16) matched with the cross block.

6. A rotary bracket arm mechanism according to claim 4, characterized in that said connecting piece (13) is arranged directly below the main rotation axis (1).

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