Rear cover self-adaptive floating adjustment equipment for automobile assembly line

Abstract

The utility model discloses a rear cover self-adaptive floating adjusting device for an automobile assembly line, which is characterized in that after a rear cover is mounted on an external rear cover hanging adjusting device, the front side and the rear side of the left end of the rear cover hanging adjusting device are connected to a first connecting component and a second connecting part of a left floating adjusting device; the front side and the rear side of the right end of the rear cover hanging adjusting device are connected to the corresponding positions of the right floating adjusting device, at the moment, X-direction movement is achieved through the two X-direction translation mechanisms of the left floating adjusting device and the right floating adjusting device, Y-direction movement is achieved through the two Y-direction floating mechanisms of the left floating adjusting device and the right floating adjusting device, and Z-direction movement is achieved through the two Z-direction translation mechanisms of the left floating adjusting device and the right floating adjusting device. Finally, the installation position of the rear cover can be flexibly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile assembly line, especially relates to a rear cover adaptive floating adjustment equipment for automobile assembly line. BACKGROUND

[0002] The body assembly adjustment line is a key link in the automobile welding process, is usually located at the end of the production line, is responsible for the final assembly of the vehicle body, when the rear cover installed on the rear cover hanging adjustment device (in essence, the fixed clamp for fixing the rear cover) is installed on the vehicle body, the installation position of the rear cover hanging adjustment device needs to be adjusted, and the existing adjustment method mainly relies on manual and semi-automatic equipment, the experience and technical ability of workers are required to be higher, resulting in unstable efficiency and quality. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a rear cover adaptive floating adjustment equipment for automobile assembly line, which has the effect of flexibly adjusting the installation position of the rear cover.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a rear cover adaptive floating adjustment equipment for automobile assembly line, comprising a left stand, a left floating adjustment device provided with the left stand, a right stand symmetrical with the left stand, and a right floating adjustment device provided with the right stand and symmetrical with the left floating adjustment device; the left floating adjustment device comprises an X-direction translation mechanism provided with the left stand, a Y-direction floating mechanism provided with the X-direction translation mechanism, and a Z-direction translation mechanism provided with the Y-direction floating mechanism, the Z-direction translation mechanism is provided with a first connecting assembly for the left end front side of the external rear cover hanging adjustment device, and the Z-direction translation mechanism is provided with a second connecting assembly for the left end rear side of the external rear cover hanging adjustment device.

[0005] By adopting the above technical scheme, after the rear cover is installed on the external rear cover hanging adjustment device, the left end front and rear side of the rear cover hanging adjustment device is connected at the first connecting assembly and the second connecting assembly of the left floating adjustment device, and the right end front and rear side of the rear cover hanging adjustment device is connected at the corresponding position of the right floating adjustment device, at this time, the two X-direction translation mechanisms of the left floating adjustment device and the right floating adjustment device realize X-direction movement, the two Y-direction floating mechanisms realize Y-direction movement, and the two Z-direction translation mechanisms realize Z-direction movement, finally, the effect of flexibly adjusting the installation position of the rear cover is achieved.

[0006] The utility model further provides that the X-direction translation mechanism comprises two X-direction rails provided with the left stand, a plurality of X-direction sliding blocks provided with the X-direction rails, an X-direction base provided with the plurality of X-direction sliding blocks, and an X-direction servo cylinder provided with the X-direction base between the left stand, and the Y-direction floating mechanism is provided with the X-direction base.

[0007] By adopting the technical scheme, the X-direction base can be driven to move along the X-direction track by the X-direction servo cylinder, so that the X-direction movement is realized by the two X-direction translation mechanisms of the left floating adjustment device and the right floating adjustment device.

[0008] The utility model discloses further provide that: the X-direction translation mechanism still include the X-direction limiting seat of setting at the bottom of X-direction base and having the limit groove, set on the left stand and have the limiting portion of embedding in the limit groove's X-direction limiting piece, the movable stroke range of X-direction limiting piece in X-direction limiting seat is the adjustment stroke range of X-direction translation mechanism.

[0009] By adopting the technical scheme, the X-direction limiting seat and the X-direction limiting piece are arranged, and the limiting portion of the X-direction limiting piece is embedded in the limit groove of the X-direction limiting seat, so that the adjustment stroke range of the X-direction translation mechanism is controlled.

[0010] The utility model discloses further provide that: the Y-direction floating mechanism includes two Y-direction tracks of obliquely setting on the X-direction base of X-direction translation mechanism, a plurality of Y-direction sliders of setting on Y-direction track, Y-direction slide plate of setting on a plurality of Y-direction slider, Y-direction cylinder of setting between the X-direction base of X-direction translation mechanism and Y-direction slide plate and pushing Y-direction slide plate and moving along Y-direction track and inclining upward, Y-direction clamping cylinder of setting on the X-direction base of X-direction translation mechanism and pushing Y-direction slide plate and moving along Y-direction track and inclining downward fast.

[0011] By adopting the technical scheme, the Y-direction track is obliquely arranged, the piston rod of the Y-direction cylinder is extended to drive the Y-direction slide plate to move along the Y-direction track, and because the cylinder has the characteristics of fast pushing forward and slow retracting backward, the Y-direction clamping cylinder is arranged to drive the Y-direction slide plate to quickly reset when the Y-direction clamping cylinder works.

[0012] The utility model discloses further provide that: the Y-direction floating mechanism still include the first Y-direction limiting piece of setting on the X-direction base of X-direction translation mechanism, the second Y-direction limiting piece of setting on the X-direction base of X-direction translation mechanism, Y-direction intermediate positioning piece of setting on Y-direction slider and being located between the first Y-direction limiting piece and the second Y-direction limiting piece, the movable stroke range of Y-direction intermediate positioning piece between the first Y-direction limiting piece and the second Y-direction limiting piece is the adjustment stroke range of Y-direction floating mechanism.

[0013] By adopting the technical scheme, the first Y-direction limiting piece, the second Y-direction limiting piece and the Y-direction intermediate positioning piece are arranged, the movable stroke range of the Y-direction intermediate positioning piece between the first Y-direction limiting piece and the second Y-direction limiting piece is the adjustment stroke range of the Y-direction floating mechanism, so that the adjustment stroke range of the Y-direction floating mechanism is controlled.

[0014] The utility model discloses a further setting for: the Y direction sliding plate front side is provided with the auxiliary limiting block, the cylinder arm of Y direction clamping pneumatic cylinder is provided with the adjusting washer, be provided with the auxiliary positioning block for acting on the auxiliary limiting block on the adjusting washer.

[0015] Through the above technical scheme, by setting the auxiliary limiting block on the Y direction sliding plate front side, the adjusting washer on the cylinder arm of Y direction clamping pneumatic cylinder, and the auxiliary positioning block on the adjusting washer for acting on the auxiliary limiting block, the initial position of the auxiliary positioning block can be adjusted by installing different adjusting washers.

[0016] The utility model discloses a further setting for: the Z direction translation mechanism includes two vertical settings in the Y direction sliding plate of Y direction floating mechanism Z direction track, a plurality of Z direction sliders are arranged on the Z direction track, the Z direction sliding plate is arranged on a plurality of Z direction sliders, the fixed support is arranged on the Y direction sliding plate of Y direction floating mechanism, the Z direction electric cylinder is arranged between the fixed support and the Z direction sliding plate, the sensor for detecting whether the rear cover hanger hanging adjustment device of outside is installed is arranged on the Z direction sliding plate, the Z direction limiting seat is arranged on the Y direction sliding plate of Y direction floating mechanism, and the Z direction limiting block is arranged on the Z direction sliding plate and moves in the Z direction limiting seat, the first support connecting plate is arranged on the Z direction sliding plate, the first clamping pneumatic cylinder is arranged on the Z direction sliding plate, the first connecting block is arranged on the cylinder arm of first clamping pneumatic cylinder, and the first pressing block is arranged on the first connecting block, the connecting support matched with the left end front side connection place of the rear cover hanger hanging adjustment device of outside is used to install on the first support connecting plate, and the first pressing block is used to press the left end front side connection place of the rear cover hanger hanging adjustment device of outside, the second support connecting plate is arranged on the Z direction sliding plate, the second clamping pneumatic cylinder is arranged on the Z direction sliding plate, the second connecting block is arranged on the cylinder arm of second clamping pneumatic cylinder, the second pressing block is arranged on the second connecting block, and the guide block is arranged on the second support connecting plate, the spherical surface support matched with the left end rear side connection place of the rear cover hanger hanging adjustment device of outside is used to install on the second support connecting plate, and the second pressing block is used to press the left end rear side connection place of the rear cover hanger hanging adjustment device of outside.

[0017] Through the above technical scheme, the Z direction sliding plate can be driven to move up and down along the Z direction track by the Z direction electric cylinder, the sensor is arranged to detect whether the rear cover hanger hanging adjustment device of outside is installed, and the first connecting assembly and the second connecting assembly are arranged to realize the connection and fixation of the left end front and rear side of the rear cover hanger hanging adjustment device of outside.

[0018] The utility model discloses a further setting for: the Y direction sliding plate top is provided with the Z direction limiting board of the stroke of limiting Z direction sliding plate upward movement, Y direction sliding plate bottom is provided with the Z direction buffer mechanism of butting in Z direction sliding plate bottom, Z direction buffer mechanism includes the L type connecting plate of setting in Y direction sliding plate bottom, the outer tube of setting on L type connecting plate and along the vertical direction extension, the upper positioning shaft of the upper end of telescopic setting in the outer tube and protruding the outer tube, the lower positioning shaft of setting in the outer tube and lower end embeds on L type connecting plate on lower end, the compression spring of two ends respectively setting between upper positioning shaft and lower positioning shaft both ends, the upper end for embedding in the bottom of Z direction sliding plate realizes positioning of upper positioning shaft.

[0019] By adopting the above technical scheme, the stroke range of the upward movement of the Z-direction sliding plate can be limited by arranging the Z-direction limiting plate, and elastic buffering can be realized during the downward movement of the Z-direction sliding plate by arranging the Z-direction buffer mechanism; in the Z-direction buffer mechanism, the compression spring can be compressed during the downward movement of the Z-direction sliding plate, so that elastic buffering is realized. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model;

[0021] Figure 2 It is the structural schematic diagram of the left floating adjusting device in the utility model;

[0022] Figure 3 It is the structural schematic diagram of the X-direction translation mechanism in the utility model;

[0023] Figure 4 It is the structural schematic diagram of the Y-direction floating mechanism in the utility model;

[0024] Figure 5 It is the structural schematic diagram of the Z-direction translation mechanism in the utility model Figure 1 ;

[0025] Figure 6 It is the structural schematic diagram of the Z-direction translation mechanism in the utility model Figure 2 ;

[0026] Figure 7 It is the structural section view of the Z-direction buffer mechanism in the utility model;

[0027] Figure 8 It is the structural schematic diagram of the utility model (cooperates with rear cover hanging adjusting device).

[0028] : 1, left stand; 2, left floating adjustment device; 2-1, X direction translation mechanism; 2-1-1, X direction track; 2-1-2, X direction slider; 2-1-3, X direction base; 2-1-4, X direction servo cylinder; 2-1-5, X direction limiting seat; 2-1-6, X direction limiting block; 2-2, Y direction floating mechanism; 2-2-1, Y direction track; 2-2-2, Y direction slider; 2-2-3, Y direction slide plate; 2-2-4, Y direction cylinder; 2-2-5, Y direction clamping cylinder; 2-2-6, first Y direction limiting block; 2-2-7, second Y direction limiting block; 2-2-8, Y direction intermediate positioning block; 2-2-9, auxiliary limiting block; 2-2-10, adjusting shim; 2-2-11, auxiliary positioning block; 2-3, Z direction translation mechanism; 2-3-1, Z direction track; 2-3-2, Z direction slider; 2-3-3, Z direction slide plate; 2-3-4, fixed support; 2-3-5, Z direction cylinder; 2-3-6, sensor; 2-3-7, Z direction limiting seat; 2-3-8, Z direction limiting block; 2-4, first connecting assembly; 2-4-1, first support connecting plate; 2-4-2, first clamping cylinder; 2-4-3, first connecting block; 2-4-4, first pressing block; 2-5, second connecting assembly; 2-5-1, second support connecting plate; 2-5-2, second clamping cylinder; 2-5-3, second connecting block; 2-5-4, second pressing block; 2-5-5, guide block; 2-5-6, Z direction limiting plate; 2-5-7, Z direction buffering mechanism; 2-5-7-1, L-shaped connecting plate; 2-5-7-2, outer cylinder; 2-5-7-3, upper positioning shaft; 2-5-7-4, lower positioning shaft; 2-5-7-5, compression spring; 3, right stand; 4, right floating adjustment device. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail below in combination with the drawings.

[0030] Embodiment: a rear cover adaptive floating adjustment equipment for automobile assembly line, as shown in Figure 1 and Figure 2 Shown, including left stand 1, left floating adjustment device 2 that is established on left stand 1, right stand 3 that is mutually symmetrical with left stand 1, right floating adjustment device 4 that is established on right stand 3 and mutually symmetrical with left floating adjustment device 2;Left floating adjustment device 2 includes X direction translation mechanism 2-1 that is established on left stand 1, Y direction floating mechanism 2-2 that is established on X direction translation mechanism 2-1, Z direction translation mechanism 2-3 that is established on Y direction floating mechanism 2-2, Z direction translation mechanism 2-3 is established with the first connecting assembly 2-4 of left end front side of the left end of the rear cover hanging adjustment device outside, Z direction translation mechanism 2-3 is established with the second connecting assembly 2-5 that the left end rear side connection of the rear cover hanging adjustment device outside.

[0031] AsFigures 1 to 3 As shown, the X-axis translation mechanism 2-1 includes two X-axis rails 2-1-1 mounted on the left stand 1, multiple X-axis sliders 2-1-2 mounted on the X-axis rails 2-1-1, X-axis bases 2-1-3 mounted on the multiple X-axis sliders 2-1-2, X-axis servo electric cylinders 2-1-4 mounted between the X-axis bases 2-1-3 on the left stand 1, an X-axis limiting seat 2-1-5 with a limiting groove mounted at the bottom of the X-axis base 2-1-3, and an X-axis limiting block 2-1-6 mounted on the left stand 1 with a limiting part embedded in the limiting groove. The range of motion of the X-axis limiting block 2-1-6 within the X-axis limiting seat 2-1-5 is the adjustment range of the X-axis translation mechanism 2-1.

[0032] like Figures 2 to 4 As shown, the Y-axis floating mechanism 2-2 includes two Y-axis tracks 2-2-1 inclinedly arranged on the X-axis base 2-1-3 of the X-axis translation mechanism 2-1, multiple Y-axis sliders 2-2-2 arranged on the Y-axis tracks 2-2-1, Y-axis sliding plates 2-2-3 arranged on the multiple Y-axis sliders 2-2-2, a Y-axis cylinder 2-2-4 arranged between the X-axis base 2-1-3 and the Y-axis sliding plate 2-2-3 of the X-axis translation mechanism 2-1 and pushing the Y-axis sliding plate 2-2-3 to move obliquely upward along the Y-axis tracks 2-2-1, and a Y-axis cylinder 2-2-4 arranged on the X-axis base 2-1-3 of the X-axis translation mechanism 2-1 and pushing the Y-axis sliding plate 2-2-3 to move obliquely upward along the Y-axis tracks 2-2-1. -2-1 A Y-axis clamping cylinder 2-2-5 that moves rapidly downwards at an angle; a first Y-axis limiting block 2-2-6 set on the X-axis base 2-1-3 of the X-axis translation mechanism 2-1; a second Y-axis limiting block 2-2-7 set on the X-axis base 2-1-3 of the X-axis translation mechanism 2-1; and a Y-axis intermediate positioning block 2-2-8 set on the Y-axis slider 2-2-2 and located between the first Y-axis limiting block 2-2-6 and the second Y-axis limiting block 2-2-7. The range of motion of the Y-axis intermediate positioning block 2-2-8 between the first Y-axis limiting block 2-2-6 and the second Y-axis limiting block 2-2-7 is the adjustment range of the Y-axis floating mechanism 2-2. Meanwhile, an auxiliary limiting block 2-2-9 is provided on the front side of the Y-direction sliding plate 2-2-3, and an adjusting shim 2-2-10 is provided on the cylinder arm of the Y-direction clamping cylinder 2-2-5. An auxiliary positioning block 2-2-11 is provided on the adjusting shim 2-2-10 for acting on the auxiliary limiting block 2-2-9.

[0033] like Figure 2 , Figures 4 to 6As shown, the Z-direction translation mechanism 2-3 includes two Z-direction rails 2-3-1 vertically arranged on the Y-direction slide plate 2-2-3 of the Y-direction floating mechanism 2-2, a plurality of Z-direction sliders 2-3-2 arranged on the Z-direction rails 2-3-1, a Z-direction slide plate 2-3-3 arranged on the plurality of Z-direction sliders 2-3-2, a fixed support 2-3-4 arranged on the Y-direction slide plate 2-2-3 of the Y-direction floating mechanism 2-2, a Z-direction electric cylinder 2-3-5 arranged between the fixed support 2-3-4 and the Z-direction slide plate 2-3-3, a sensor 2-3-6 arranged on the Z-direction slide plate 2-3-3 and used for detecting whether the external rear cover hanger adjustment device is installed, a Z-direction limiting seat 2-3-7 arranged on the Y-direction slide plate 2-2-3 of the Y-direction floating mechanism 2-2, and a Z-direction limiting block 2-3-8 arranged on the Z-direction slide plate 2-3-3 and movable within the Z-direction limiting seat 3-3-7.

[0034] As shown in Figure 2 , Figure 4 , Figure 5 and Figure 7 , a Z-direction limiting plate 2-5-6 is additionally arranged on the top of the Y-direction slide plate 2-2-3 to limit the upward movement of the Z-direction slide plate 2-3-3. Two Z-direction buffer mechanisms 2-5-7 are arranged on the bottom of the Y-direction slide plate 2-2-3 to abut against the bottom of the Z-direction slide plate 2-3-3. The Z-direction buffer mechanism 2-5-7 includes an L-shaped connecting plate 2-5-7-1 arranged on the bottom of the Y-direction slide plate 2-2-3, an outer cylinder 2-5-7-2 arranged on the L-shaped connecting plate 2-5-7-1 and extending along the vertical direction, an upper positioning shaft 2-5-7-3 arranged at the upper end of the outer cylinder 2-5-7-2 and protruding out of the outer cylinder 2-5-7-2, a lower positioning shaft 2-5-7-4 arranged at the lower end of the outer cylinder 2-5-7-2 and embedded in the L-shaped connecting plate 2-5-7-1, and a compression spring 2-5-7-5 arranged between the upper positioning shaft 2-5-7-3 and the lower positioning shaft 2-5-7-4. The upper end of the upper positioning shaft 2-5-7-3 is used to be embedded in the bottom of the Z-direction slide plate 2-3-3 to achieve positioning.

[0035] As shown in Figure 2 , Figure 6As shown, the first connecting assembly 2-4 includes a first support connecting plate 2-4-1 arranged on the Z-direction sliding plate 2-3-3, a first clamping air cylinder 2-4-2 arranged on the Z-direction sliding plate 2-3-3, a first connecting block 2-4-3 arranged on the cylinder arm of the first clamping air cylinder 2-4-2, and a first pressing block 2-4-4 arranged on the first connecting block 2-4-3; a connecting support matched with the left end front side connecting part of the external rear cover hanging adjustment device (this part of structure is the connecting structure used in combination with the external device in the present patent, which will not be described in detail here) is arranged on the first support connecting plate 2-4-1, and the first pressing block 2-4-4 is used to press the left end front side connecting part of the external rear cover hanging adjustment device. The second connecting assembly 2-5 includes a second support connecting plate 2-5-1 arranged on the Z-direction sliding plate 2-3-3, a second clamping air cylinder 2-5-2 arranged on the Z-direction sliding plate 2-3-3, a second connecting block 2-5-3 arranged on the cylinder arm of the second clamping air cylinder 2-5-2, a second pressing block 2-5-4 arranged on the second connecting block 2-5-3, and a guide block 2-5-5 arranged on the second support connecting plate 2-5-1; a spherical support matched with the left end rear side connecting part of the external rear cover hanging adjustment device (this part of structure is the connecting structure used in combination with the external device in the present patent, which will not be described in detail here) is arranged on the second support connecting plate 2-5-1, and the second pressing block 2-5-4 is used to press the left end rear side connecting part of the external rear cover hanging adjustment device.

[0036] Effect: After the rear cover is installed on the external rear cover hanging adjustment device, the left end front and rear sides of the rear cover hanging adjustment device are connected to the first connecting assembly 2-4 and the second connecting assembly of the left floating adjustment device 2, and the right end front and rear sides of the rear cover hanging adjustment device are connected to the corresponding parts of the right floating adjustment device 4. At this time, the X-direction movement is realized by the two X-direction translation mechanisms 2-1 of the left floating adjustment device 2 and the right floating adjustment device 4, the Y-direction movement is realized by the two Y-direction floating mechanisms 2-2, and the Z-direction movement is realized by the two Z-direction translation mechanisms 2-3, thereby achieving the effect of flexible adjustment of the installation position of the rear cover.

[0037] The X-direction base 2-1-3 can be driven by the X-direction servo cylinder 2-1-4 to move along the X-direction rail 2-1-1, thereby realizing the X-direction movement by the two X-direction translation mechanisms 2-1 of the left floating adjustment device 2 and the right floating adjustment device 4. By arranging the X-direction limiting seat 2-1-5 and the X-direction limiting block 2-1-6, and embedding the limiting part of the X-direction limiting block 2-1-6 into the limiting groove of the X-direction limiting seat 2-1-5, the adjustment stroke range of the X-direction translation mechanism 2-1 is controlled.

[0038] The Y-direction track 2-2-1 is obliquely arranged, the Y-direction slide plate 2-2-3 is driven to move along the Y-direction track 2-2-1 by the piston rod of the Y-direction cylinder 2-2-4, and the Y-direction clamping cylinder 2-2-5 is arranged to make the Y-direction clamping cylinder 2-2-5 drive the Y-direction slide plate 2-2-3 to quickly return when the Y-direction clamping cylinder 2-2-5 works, and the Y-direction clamping cylinder 2-2-5 has the characteristics of fast pushing out in the positive direction and slow retracting in the reverse direction, so that the Y-direction clamping cylinder 2-2-5 can drive the Y-direction slide plate 2-2-3 to quickly return when the Y-direction clamping cylinder 2-2-5 works. The first Y-direction limiting block 2-2-6, the second Y-direction limiting block 2-2-7 and the Y-direction intermediate positioning block 2-2-8 are arranged, the Y-direction intermediate positioning block 2-2-8 moves in the range between the first Y-direction limiting block 2-2-6 and the second Y-direction limiting block 2-2-7, the range of the Y-direction floating mechanism 2-2 is the range of the adjusting stroke of the Y-direction floating mechanism 2-2, so that the range of the adjusting stroke of the Y-direction floating mechanism 2-2 is controlled. The auxiliary limiting block 2-2-9 is arranged on the front side of the Y-direction slide plate 2-2-3, the adjusting gasket 2-2-10 is arranged on the cylinder arm of the Y-direction clamping cylinder 2-2-5, the auxiliary positioning block 2-2-11 for acting on the auxiliary limiting block 2-2-9 is arranged on the adjusting gasket 2-2-10, so that the initial position of the auxiliary positioning block 2-2-11 can be adjusted by installing different adjusting gaskets 2-2-10.

[0039] The Z-direction slide plate 2-3-3 is driven to move up and down along the Z-direction track 2-3-1 by the Z-direction cylinder 2-3-5, the sensor 2-3-6 is arranged to detect whether the rear cover hanging adjusting device outside is installed, the first connecting assembly 2-4 and the second connecting assembly 2-5 are arranged to realize the connection and fixation of the front and rear sides of the left end of the rear cover hanging adjusting device outside, and the first connecting assembly 2-4 and the second connecting assembly 2-5 on the right floating adjusting device are arranged to realize the connection and fixation of the front and rear sides of the right end of the rear cover hanging adjusting device outside. The Z-direction limiting plate 2-5-6 is arranged to limit the stroke range of the upward movement of the Z-direction slide plate 2-3-3, and the Z-direction buffer mechanism 2-5-7 is arranged to realize the elastic buffering during the downward movement of the Z-direction slide plate 2-3-3. In the Z-direction buffer mechanism 2-5-7, the compression spring 2-5-7-5 is compressed during the downward movement of the Z-direction slide plate 2-3-3, so that the elastic buffering is realized.

[0040] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A rear cover adaptive floating adjustment device for an automobile assembly line, characterized by: The left stand (1), the left floating adjustment device (2) arranged on the left stand (1), the right stand (3) symmetrical with the left stand (1), and the right floating adjustment device (4) arranged on the right stand (3) and symmetrical with the left floating adjustment device (2); the left floating adjustment device (2) comprises an X-direction translation mechanism (2-1) arranged on the left stand (1), a Y-direction floating mechanism (2-2) arranged on the X-direction translation mechanism (2-1), and a Z-direction translation mechanism (2-3) arranged on the Y-direction floating mechanism (2-2), wherein the Z-direction translation mechanism (2-3) is provided with a first connecting assembly (2-4) on the front side of the left end of the Z-direction translation mechanism (2-3) for hanging the rear cover hoisting adjustment device, and the Z-direction translation mechanism (2-3) is provided with a second connecting assembly (2-5) on the rear side of the left end of the Z-direction translation mechanism (2-3) for connecting the rear cover hoisting adjustment device.

2. The rear cover self-adaptive floating adjustment device for automobile assembly line according to claim 1, characterized in that: The X-direction translation mechanism (2-1) comprises two X-direction rails (2-1-1) arranged on the left stand (1), a plurality of X-direction sliding blocks (2-1-2) arranged on the X-direction rails (2-1-1), an X-direction base (2-1-3) arranged on the plurality of X-direction sliding blocks (2-1-2), and an X-direction servo cylinder (2-1-4) arranged between the X-direction base (2-1-3) and the left stand (1), and the Y-direction floating mechanism (2-2) is arranged on the X-direction base (2-1-3).

3. The rear cover self-adaptive floating adjustment device for an automobile assembly line according to claim 2, characterized in that: The X-direction translation mechanism (2-1) further comprises an X-direction limiting seat (2-1-5) arranged at the bottom of the X-direction base (2-1-3) and provided with a limiting groove, and an X-direction limiting block (2-1-6) arranged on the left stand (1) and provided with a limiting portion embedded in the limiting groove, wherein the movable stroke range of the X-direction limiting block (2-1-6) in the X-direction limiting seat (2-1-5) is the adjustment stroke range of the X-direction translation mechanism (2-1).

4. The rear cover self-adaptive floating adjustment device for automobile assembly line according to claim 2, characterized in that: The Y-direction floating mechanism (2-2) comprises two Y-direction rails (2-2-1) arranged on the X-direction base (2-1-3) of the X-direction translation mechanism (2-1) in an inclined manner, a plurality of Y-direction sliding blocks (2-2-2) arranged on the Y-direction rails (2-2-1), a Y-direction sliding plate (2-2-3) arranged on the plurality of Y-direction sliding blocks (2-2-2), a Y-direction cylinder (2-2-4) arranged between the X-direction base (2-1-3) of the X-direction translation mechanism (2-1) and the Y-direction sliding plate (2-2-3) and pushing the Y-direction sliding plate (2-2-3) to move upward along the Y-direction rails (2-2-1) in an inclined manner, and a Y-direction clamping cylinder (2-2-5) arranged on the X-direction base (2-1-3) of the X-direction translation mechanism (2-1) and pushing the Y-direction sliding plate (2-2-3) to move downward along the Y-direction rails (2-2-1) in a quick inclined manner.

5. The rear cover self-adaptive floating adjustment device for automobile assembly line according to claim 4, characterized in that: The Y-direction floating mechanism (2-2) further comprises a first Y-direction limiting block (2-2-6) arranged on the X-direction base (2-1-3) of the X-direction translation mechanism (2-1), a second Y-direction limiting block (2-2-7) arranged on the X-direction base (2-1-3) of the X-direction translation mechanism (2-1), and a Y-direction intermediate limiting block (2-2-8) arranged on the Y-direction sliding block (2-2-2) and located between the first Y-direction limiting block (2-2-6) and the second Y-direction limiting block (2-2-7), wherein the active stroke range of the Y-direction intermediate limiting block (2-2-8) between the first Y-direction limiting block (2-2-6) and the second Y-direction limiting block (2-2-7) is the adjustment stroke range of the Y-direction floating mechanism (2-2).

6. The rear cover self-adaptive floating adjustment device for automobile assembly line according to claim 4, characterized in that: The Y-direction sliding plate (2-2-3) is provided with an auxiliary limiting block (2-2-9) on the front side, and the cylinder arm of the Y-direction clamping cylinder (2-2-5) is provided with an adjusting washer (2-2-10), and the adjusting washer (2-2-10) is provided with an auxiliary limiting block (2-2-11) for acting on the auxiliary limiting block (2-2-9).

7. The device for adaptive floating adjustment of the rear cover of the automobile assembly line according to claim 4, characterized in that: The Z-direction translation mechanism (2-3) comprises two Z-direction rails (2-3-1) vertically arranged on the Y-direction sliding plate (2-2-3) of the Y-direction floating mechanism (2-2), a plurality of Z-direction sliding blocks (2-3-2) arranged on the Z-direction rails (2-3-1), a Z-direction sliding plate (2-3-3) arranged on the plurality of Z-direction sliding blocks (2-3-2), a fixed support (2-3-4) arranged on the Y-direction sliding plate (2-2-3) of the Y-direction floating mechanism (2-2), a Z-direction electric cylinder (2-3-5) arranged between the fixed support (2-3-4) and the Z-direction sliding plate (2-3-3), a sensor (2-3-6) arranged on the Z-direction sliding plate (2-3-3) and used for detecting whether the external rear cover hanging adjustment device is installed, a Z-direction limiting seat (2-3-7) arranged on the Y-direction sliding plate (2-2-3) of the Y-direction floating mechanism (2-2), and a Z-direction limiting block (2-3-8) arranged on the Z-direction sliding plate (2-3-3) and movable in the Z-direction limiting seat (3-3-7). The first connecting assembly (2-4) comprises a first support connecting plate (2-4-1) arranged on the Z-direction sliding plate (2-3-3), a first clamping cylinder (2-4-2) arranged on the Z-direction sliding plate (2-3-3), a first connecting block (2-4-3) arranged on the cylinder arm of the first clamping cylinder (2-4-2), and a first pressing block (2-4-4) arranged on the first connecting block (2-4-3); a connecting support matched with the left front side connecting portion of the external rear cover hanging adjustment device is arranged on the first support connecting plate (2-4-1), and the first pressing block (2-4-4) is used for pressing the left front side connecting portion of the external rear cover hanging adjustment device. The second connecting assembly (2-5) comprises a second support connecting plate (2-5-1) arranged on the Z-direction sliding plate (2-3-3), a second clamping air cylinder (2-5-2) arranged on the Z-direction sliding plate (2-3-3), a second connecting block (2-5-3) arranged on the cylinder arm of the second clamping air cylinder (2-5-2), a second pressing block (2-5-4) arranged on the second connecting block (2-5-3), and a guide block (2-5-5) arranged on the second support connecting plate (2-5-1); a spherical support matched with the left rear side connecting part of the external rear cover hanging adjustment device is arranged on the second support connecting plate (2-5-1), and the second pressing block (2-5-4) is used for pressing the left rear side connecting part of the external rear cover hanging adjustment device.

8. The rear cover adaptive floating adjustment device for an automobile assembly line according to claim 4, characterized in that: The Y-direction sliding plate (2-2-3) is provided with a Z-direction limiting plate (2-5-6) at the top for limiting the upward movement of the Z-direction sliding plate (2-3-3), and is provided with a Z-direction buffer mechanism (2-5-7) at the bottom abutting against the bottom of the Z-direction sliding plate (2-3-3), wherein the Z-direction buffer mechanism (2-5-7) comprises an L-shaped connecting plate (2-5-7-1) arranged at the bottom of the Y-direction sliding plate (2-2-3), an outer cylinder (2-5-7-2) arranged on the L-shaped connecting plate (2-5-7-1) and extending along the vertical direction, an upper positioning shaft (2-5-7-3) arranged at the upper end of the outer cylinder (2-5-7-2) and protruding out of the outer cylinder (2-5-7-2), a lower positioning shaft (2-5-7-4) arranged at the lower end of the outer cylinder (2-5-7-2) and embedded in the L-shaped connecting plate (2-5-7-1), and a compression spring (2-5-7-5) arranged between the upper positioning shaft (2-5-7-3) and the lower positioning shaft (2-5-7-4), The upper end of the upper positioning shaft (2-5-7-3) is used for embedding in the bottom of the Z-direction sliding plate (2-3-3) to realize positioning. The upper end of the upper positioning shaft (2-5-7-3) is used for embedding in the bottom of the Z-direction sliding plate (2-3-3) to realize positioning.

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