阅读说明：本技术 一种用于汽车座椅衬套自动焊接的衬套夹紧机构 (Bushing clamping mechanism for automatic welding of automobile seat bushing ) 是由 余道海 段春梅 潘峰 刘三涛 于 2019-10-09 设计创作，主要内容包括：本发明提供一种用于汽车座椅衬套自动焊接的衬套夹紧机构,包括L型工作台,所述L型工作台右端面后侧设置有焊接装置支撑台,且焊接装置支撑台上部安装有焊接装置；每个所述滑动底板上部均安装有四个所述夹紧机构,且每个所述夹紧机构上部均放置有一个所述衬套；每个所述夹紧机构内部均转动连接有一个所述衬套调节装置。滑动底板滑动连接在滑动轨道上部,通过将L型工作台上端面前侧和后侧分别安装有两个滑动轨道,使L型工作台上部形成两条互不干涉的滑道,从而使一个滑动底板上的夹紧机构上夹紧的衬套在焊接的同时,可将另一个滑动底板上的夹紧机构上的衬套提前进行夹紧工作,大大提高了衬套焊接的工作效率。(The invention provides a bushing clamping mechanism for automatically welding a bushing of an automobile seat, which comprises an L-shaped workbench, wherein a welding device supporting table is arranged on the rear side of the right end face of the L-shaped workbench, and a welding device is arranged on the upper part of the welding device supporting table; the upper part of each sliding bottom plate is provided with four clamping mechanisms, and the upper part of each clamping mechanism is provided with one bushing; and one bushing adjusting device is rotatably connected inside each clamping mechanism. The sliding bottom plate is connected to the upper portion of the sliding rail in a sliding mode, the two sliding rails are installed on the front side and the rear side of the upper end face of the L-shaped workbench respectively, and the upper portion of the L-shaped workbench forms two mutually-noninterference sliding ways, so that a bush on a clamping mechanism on one sliding bottom plate can be clamped in advance while a bush on a clamping mechanism on the other sliding bottom plate is welded, and the working efficiency of bush welding is greatly improved.)

1. The utility model provides a bush clamping mechanism for car seat bush automatic weld, includes L type workstation (1), its characterized in that: a welding device supporting table (2) is arranged on the rear side of the right end face of the L-shaped workbench (1), and a welding device is arranged on the upper portion of the welding device supporting table (2); the front side and the rear side of the upper end surface of the L-shaped workbench (1) are symmetrically provided with two sliding rails (3), and the upper parts of the two sliding rails (3) at the front side and the two sliding rails (3) at the rear side are both connected with one sliding bottom plate (4) in a sliding manner; the upper part of each sliding bottom plate (4) is provided with four clamping mechanisms (5), and the upper part of each clamping mechanism (5) is provided with one bushing (7); and one lining adjusting device (6) is rotatably connected inside each clamping mechanism (5).

2. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: the sliding rail (3) further comprises a T-shaped sliding groove (301) and a limiting block (302), the T-shaped sliding groove (301) is formed in the upper end face of the sliding rail (3), and the limiting block (302) is installed at the opening end of the T-shaped sliding groove (301) formed in the upper end face of the sliding rail (3).

3. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: the sliding bottom plate (4) further comprises a handle (401), supporting blocks (402) and T-shaped sliding blocks (403), the handle (401) is fixedly connected to the upper end face of the sliding bottom plate (4), the two T-shaped sliding blocks (403) are fixedly connected to the bottom end face of the sliding bottom plate (4) in a symmetrical mode, and the two supporting blocks (402) are fixedly connected to the upper end face of the sliding bottom plate (4) in a symmetrical mode.

4. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: the clamping mechanism (5) further comprises an L-shaped base (501), a placing groove (502), a rectangular through hole (503), a circular through hole (504), a clamping cylinder (505), a clamping block (506) and an alignment mark rod (507), wherein the L-shaped base (501) is fixedly connected to the upper end face of the supporting block (402), a placing groove (502) is arranged on the upper end surface of the middle part of the L-shaped base (501), a rectangular through hole (503) is arranged on the bottom end surface inside the placing groove (502), the rear side of the right end face of the L-shaped base (501) is provided with two circular through holes (504) which penetrate through the rectangular through hole (503), and the upper end surface of the middle part of the L-shaped base (501) is provided with a clamping cylinder (505), the clamping cylinder (505) is connected with a clamping block (506) through a sliding column in a sliding way, an alignment mark rod (507) is fixedly connected to the left side of the bottom end face in the placing groove (502).

5. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: the bushing adjusting device (6) also comprises an adjusting hand wheel (601), a driving shaft (602), a driven shaft (603), a belt (604) and an annular groove (605), the driving shaft (602) and the driven shaft (603) are rotatably connected inside the circular through hole (504) through rotating shafts, and the left end face of the left rotating shaft of the driving shaft (602) is fixedly connected with an adjusting hand wheel (601), the middle parts of the peripheral surfaces of the driving shaft (602) and the driven shaft (603) are respectively provided with an annular groove (605), an annular groove (605) arranged in the middle of the outer peripheral surface of the driving shaft (602) is in transmission connection with an annular groove (605) arranged in the middle of the outer peripheral surface of the driven shaft (603) through a belt (604), a bushing (7) is arranged in the middle of the upper end surface of the belt (604), and the length direction central line of the upper end surface of the belt (604) is aligned with the length direction central line of the upper end surface of the alignment mark rod (507).

6. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: t type slider (403) sliding connection is inside T type spout (301), and T type slider (403) length accounts for sliding bottom plate (4) one fifth of length.

7. The bushing clamping mechanism for automatic welding of a bushing for a seat of an automobile according to claim 1, wherein: the outer peripheral surface of the adjusting hand wheel (601) is provided with anti-skid stripes, and the diameter of the adjusting hand wheel (601) is two times to three times of the diameter of the driving shaft (602) and the driven shaft (603).

Technical Field

The invention belongs to the technical field of bushing processing, and particularly relates to a bushing clamping mechanism for automatically welding a bushing of an automobile seat.

Background

The lining is a matching part used outside mechanical parts to achieve the functions of sealing, wear protection and the like, and is a ring sleeve playing the role of a gasket. In the moving parts, parts are worn due to long-term friction, and the parts must be replaced when the clearance between the shaft and the hole is worn to a certain degree, so that a designer selects a material with lower hardness and better wear resistance as a shaft sleeve or a bushing at the time of design, thereby reducing the wear of the shaft and the seat.

As in application No.: 201420524845.6 the invention discloses a bush clamping mechanism of an automatic bush welding machine, which comprises a bush bearing plate with a placing groove, a bush clamping cylinder, a V-shaped groove bush clamping die and a bush in-place sensor, wherein the bush bearing plate with the placing groove is provided with the bush clamping cylinder, a piston flange plate of the bush clamping cylinder is arranged rightwards, the piston flange plate of the bush clamping cylinder is provided with the V-shaped groove bush clamping die, the V-shaped groove of the V-shaped groove bush clamping die faces the right side, and the right side surface of the bush bearing plate with the placing groove is provided with the bush in-place sensor. Through the mode, the automatic blanking device can replace workers to carry out rapid welding, is high in efficiency and yield, and can automatically blank a finished frame after welding.

Based on the above patent search, and in conjunction with the prior art device discovery, automotive seat bushing gaps are typically completed with the assistance of a clamping mechanism during automated welding. The existing bushing clamping mechanism has the following defects in the actual use process, such as: 1. the existing bushing clamping mechanism cannot move after being installed on a workbench, and a next batch of bushings to be welded cannot be clamped in advance in the process of welding the batch of bushings, so that after the batch of bushings are welded, the welded bushings need to be taken down firstly and then placed on the bushing clamping mechanism, and the working efficiency of bushing welding is greatly influenced; 2. when the lining is placed on the lining clamping mechanism, the phenomenon that the gaps of the lining are not aligned easily occurs, the welding quality of the lining is finally influenced, workers can only manually adjust the lining with the gaps not aligned, and the lining welding machine is low in accuracy and not convenient enough in adjustment.

Disclosure of Invention

The invention aims to provide a bush clamping mechanism for automatically welding a bush of an automobile seat, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a bush clamping mechanism for automatically welding a car seat bush comprises an L-shaped workbench, wherein a welding device supporting table is arranged on the rear side of the right end face of the L-shaped workbench, and a welding device is arranged on the upper portion of the welding device supporting table; the front side and the rear side of the upper end surface of the L-shaped workbench are symmetrically provided with two sliding rails, and the upper parts of the two sliding rails on the front side and the two sliding rails on the rear side are connected with one sliding bottom plate in a sliding manner; the upper part of each sliding bottom plate is provided with four clamping mechanisms, and the upper part of each clamping mechanism is provided with one bushing; and one bushing adjusting device is rotatably connected inside each clamping mechanism.

Furthermore, the sliding rail further comprises a T-shaped sliding groove and a limiting block, the T-shaped sliding groove is formed in the upper end face of the sliding rail, and the limiting block is installed at the opening end of the T-shaped sliding groove formed in the upper end face of the sliding rail.

Furthermore, the sliding bottom plate further comprises a handle, supporting blocks and T-shaped sliding blocks, the handle is fixedly connected to the first side of the upper end face of the sliding bottom plate, the two T-shaped sliding blocks are fixedly connected to the bottom end face of the sliding bottom plate in a symmetrical mode, and the two supporting blocks are fixedly connected to the upper end face of the sliding bottom plate in a symmetrical mode.

Further, clamping mechanism still includes L type base, places recess, rectangle opening, circular through-hole, die clamping cylinder, clamp splice and aligns the sighting rod, L type base fixed connection is at the supporting shoe up end, and L type base middle part up end has seted up and has placed the recess, it has seted up the rectangle opening to place the inside bottom face of recess, L type base right-hand member face rear side is seted up and is run through two of rectangle opening circular through-hole, and L type base middle part up end installs die clamping cylinder, die clamping cylinder has the clamp splice through sliding column sliding connection, it aligns the sighting rod to place the inside bottom face left side fixedly connected with of recess.

Further, bush adjusting device still includes adjusting handle, driving shaft, driven shaft, belt and annular groove, driving shaft and driven shaft all rotate through the pivot and connect inside circular through-hole, and driving shaft left side pivot left end face fixedly connected with adjusting handle, one has all been seted up at driving shaft and driven shaft outer peripheral face middle part annular groove, and the annular groove that the annular groove of seting up at driving shaft outer peripheral face middle part and driven shaft outer peripheral face middle part were seted up is connected through belt transmission, the bush has been placed at belt up end middle part, and belt up end length direction central line aligns with alignment sighting rod up end length direction central line.

Furthermore, T type slider sliding connection is inside T type spout, and T type slider length accounts for one fifth of sliding bottom plate length.

Furthermore, the outer peripheral surface of the adjusting hand wheel is provided with anti-skid stripes, and the diameter of the adjusting hand wheel is two times to three times of the diameter of the driving shaft and the driven shaft.

Compared with the prior art, the invention has the following beneficial effects:

the sliding bottom plate is connected to the upper portion of the sliding rail in a sliding mode, the two sliding rails are installed on the front side and the rear side of the upper end face of the L-shaped workbench respectively, and the upper portion of the L-shaped workbench forms two mutually-noninterference sliding ways, so that a bush on a clamping mechanism on one sliding bottom plate can be clamped in advance while a bush on a clamping mechanism on the other sliding bottom plate is welded, and the working efficiency of bush welding is greatly improved.

The bush adjusting device rotates and connects inside clamping mechanism, through with driving shaft left side pivot left end face fixedly connected with adjusting handle, make the bush of placing at belt up end middle part if take place the gap unalignment phenomenon, the accessible rotates adjusting handle, drive the belt and carry out the transmission, thereby make the bush of placing at belt up end middle part follow to rotate, after the bush gap aligns, the stall adjusting handle can, the precision when having improved the bush regulation, thereby it is more convenient when making the bush regulation.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic axial view of the clamping mechanism of the present invention.

Fig. 3 is a schematic axial view of the L-shaped base and bushing adjustment device of the present invention.

Fig. 4 is a schematic axial view of the bushing adjusting device of the present invention.

Fig. 5 is an axial view of the sliding bottom plate of the present invention.

FIG. 6 is an axial view of the L-shaped table of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an L-shaped workbench; 2. a welding device support table; 3. a sliding track; 301. a T-shaped chute; 302. a limiting block; 4. a sliding bottom plate; 401. a handle; 402. a support block; 403. a T-shaped slider; 5. a clamping mechanism; 501. an L-shaped base; 502. placing a groove; 503. a rectangular through opening; 504. a circular through hole; 505. a clamping cylinder; 506. a clamping block; 507. aligning the marker post; 6. a bushing adjusting device; 601. adjusting a hand wheel; 602. a drive shaft; 603. a driven shaft; 604. a belt; 605. an annular groove; 7. a bushing.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.