CN106391762B - Apparatus and method for correcting misalignment - Google Patents

Abstract

The invention discloses a misalignment correction device and a correction method thereof, comprising a control device; a rotation mechanism, the rotation mechanism is electrically connected to the control device; a gripping mechanism, the gripping mechanism is arranged on the rotation mechanism and electrically connected with the control device; and a clamping mechanism, the clamping mechanism is arranged on the rotating mechanism and electrically connected with the control device, the clamping mechanism cooperates with the gripping mechanism, And the clamping mechanism includes a first clamping part and a second clamping part, and a clamping for clamping the opening of the tailgate tailgate is formed between the first clamping part and the second clamping part. Chamber. In this way, the T-direction and H-direction limit of the opening can be realized, and the processing quality of the tailgate can be avoided due to misalignment, and manufacturing defects can be eliminated. At the same time, the manpower and time costs caused by manual repair can be avoided through automated work, ensuring the production of the enterprise. Utilization rate and product quality ensure good economic benefits.

Description

Misalignment correction device and correction method thereof

technical field

The invention relates to the technical field of auto parts manufacturing, in particular to a misalignment correction device and a correction method thereof.

Background technique

With the continuous improvement of science and technology and people's living standards, automobiles have gradually entered people's daily life, thus posing unprecedented new challenges to the automobile industry. At present, in the field of automobile manufacturing, the processing of five doors and one cover usually adopts a highly automated production process. However, in the automatic production of the tailgate of the five-door-one-cover, due to the flexibility of the material itself of the thin plate and the fluctuation during clamping and positioning, the matching ability of the plate will be insufficient, resulting in the lower part of the windshield of the tailgate. The plate at the opening is misaligned, and the technical standard requires 0mm. This defect is a common problem in all models. This dislocation problem directly affects the installation accuracy of the rear windshield and the sealing and anti-seepage defects after assembly, resulting in the failure of the automobile production quality to meet the requirements. In view of the above problems, the remedial measures in the industry are to repair the misalignment of the opening of the tailgate and backstop. In this way, not only special personnel are required to deal with the repair, but the repair time is long, and the labor intensity of the employees is high. Due to the relatively high daily production volume of automobile manufacturers Large (usually hundreds of units), it will directly affect the production utilization rate of the enterprise and the quality of the vehicle, and seriously affect the economic benefits of the enterprise.

Contents of the invention

Based on this, the present invention provides a misalignment correction device and correction method thereof, aiming at overcoming the defects of the prior art, realizing the automatic correction of the opening of the tailgate of the automobile, with high correction accuracy and good effect, and eliminating the processing and manufacturing defects of the tailgate , to avoid the manpower and time costs caused by manual repairs, to ensure the production utilization rate and product quality of the enterprise, and to ensure good economic benefits.

The purpose of the present invention is achieved like this:

A misalignment correction device comprising:

control device;

a rotating mechanism, the rotating mechanism is electrically connected to the control device;

a gripping mechanism, the gripping mechanism is arranged on the rotating mechanism and is electrically connected with the control device; and

a clamping mechanism, the clamping mechanism is arranged on the rotating mechanism and electrically connected with the control device, the clamping mechanism cooperates with the gripping mechanism, and the clamping mechanism includes a first clamping mechanism A clamping part and a second clamping part, and a clamping chamber for clamping the opening of the backstop of the tailgate is formed between the first clamping part and the second clamping part.

The technical scheme is described further below;

In one of the embodiments, the clamping mechanism further includes a support, a driving member and a supporting member, the first clamping member and the second clamping member are both arranged on the supporting member, and the driving A component is arranged on the support, and the driving component includes a driving arm, and the driving arm is drivingly connected with the supporting component.

In one of the embodiments, the driving member further includes a driving base and at least one positioning strut, the driving base is provided with an assembly hole, one end of the positioning strut is slidably disposed in the mounting hole, the The other end of the positioning strut is connected with the support member.

In one of the embodiments, the number of the positioning struts is two, and the two positioning struts are arranged symmetrically on both sides of the driving arm and are both connected to the support member.

In one of the embodiments, the clamping mechanism further includes a first locking member, the first clamping member is provided with a first installation hole, and the support member is provided with a position corresponding to the position of the first installation hole. the second mounting hole, the first locking member passes through the first mounting hole and the second mounting hole.

In one of the embodiments, the clamping mechanism further includes a second locking member, the second clamping member is provided with a third installation hole, and the support member is provided with a position corresponding to the position of the third installation hole. The fourth installation hole, the second locking member passes through the third installation hole and the fourth installation hole.

In one of the embodiments, the first clamping member includes a clamping surface, and the clamping surface is a slope.

In one embodiment, a guiding portion is provided at an end of the first clamping member away from the supporting member.

In one of the embodiments, an adjustment mechanism for adjusting the size of the clamping chamber is further included, and both the first clamping member and the second clamping member are drivingly connected to the adjustment mechanism.

The present invention also provides a correction method for the above-mentioned dislocation correction device, comprising the following steps:

The control device drives the rotating mechanism to move, and drives the gripping mechanism to move to the clamping station to grab the tailgate of the car;

The control device drives the rotating mechanism to operate and rotate to the correcting station, and then the clamping mechanism operates, and the clamping chamber and the opening of the backstop of the tailgate are clamped to complete automatic correction.

The beneficial effects of the present invention are:

When the above-mentioned device for correcting the dislocation of the opening of the backstop of the tailgate is working, the control device detects the mold opening information, controls the rotation mechanism to move and rotate to the clamping station, and then controls the gripping mechanism to grab the tailgate of the car, Then control the rotating mechanism to rotate the tailgate of the car to the correcting work. At this time, the control device controls the clamping mechanism to rise, so that the clamping chamber and the opening are clamped, thereby realizing the limit of the opening in the T direction and the H direction , avoid misalignment and affect the processing quality of the tailgate, eliminate manufacturing defects, and at the same time, through automatic work, it can avoid the manpower and time costs caused by manual repairs, ensure the production utilization rate and product quality of the enterprise, and ensure good economic benefits.

In the correction method of the above-mentioned misalignment correction device, when the control device detects the mold opening information, it controls the rotation mechanism to operate and rotate to the clamping station, then controls the grasping mechanism to grab the tailgate of the car, and then controls the rotation The mechanism rotates the tailgate of the car to the correcting work. At this time, the control device controls the clamping mechanism to rise, so that the clamping chamber and the opening are clamped, so as to realize the limit of the opening in the T direction and the H direction, and avoid misalignment. Affect the processing quality of the tailgate, eliminate manufacturing defects, and avoid manpower and time costs caused by manual repairs through automated work, ensure the company's production utilization rate and product quality, and ensure good economic benefits.

Description of drawings

FIG. 1 is a schematic structural diagram of a dislocation correction device according to an embodiment of the present invention;

Fig. 2 is a partial enlarged view of A of the dislocation correction device according to the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the clamping mechanism of the misalignment correction device according to the embodiment of the present invention;

FIG. 4 is a schematic flowchart of a correction method of the misalignment correction device according to an embodiment of the present invention.

Explanation of reference signs:

100, rotating mechanism, 200, gripping mechanism, 300, clamping mechanism, 310, first clamping part, 312, first mounting hole, 314, clamping surface, 316, guide part, 320, second clamping part , 322, the third installation hole, 330, the clamping chamber, 340, the support, 350, the driving part, 352, the driving arm, 354, the driving seat, 354a, the assembly hole, 356, the positioning strut, 360, the supporting part , 362, the second mounting hole, 364, the fourth mounting hole, 400, the first locking member, 500, the second locking member.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

As shown in Figures 1 to 3, a dislocation correction device includes a control device (not shown in the figure); a rotating mechanism 100, the rotating mechanism 100 is electrically connected to the control device; a gripping mechanism 200, the The gripping mechanism 200 is arranged on the rotating mechanism 100 and is electrically connected with the control device; and the clamping mechanism 300 is arranged on the rotating mechanism 100 and is electrically connected with the control device Sexual connection, the clamping mechanism 300 cooperates with the gripping mechanism 200, and the clamping mechanism 300 includes a first clamping part 310 and a second clamping part 320, the first clamping part 310 and the A clamping chamber 330 for clamping the opening of the tailgate rear stop is formed between the second clamping members 320 .

When the above-mentioned dislocation correction device for the tailgate backstop opening is working, the control device will control the rotation mechanism 100 to move and rotate to the clamping station after detecting the mold opening information, and then control the grasping mechanism 200 to grasp the tailgate of the automobile. Then control the rotating mechanism 100 to rotate the tailgate of the car to the correcting work. At this time, the control device controls the clamping mechanism 300 to rise, so that the clamping chamber 330 is clamped with the opening, so as to realize the T-direction and the opening of the opening. The limit in the H direction avoids misalignment and affects the processing quality of the tailgate, and eliminates manufacturing defects. At the same time, through automation, it can avoid manpower and time costs caused by manual repairs, and ensure the production utilization rate and product quality of the enterprise. Make sure the economics are good.

In the above-mentioned embodiment, the control device can be a PLC (programmable logic controller), etc., which are electrically connected to the above-mentioned rotating mechanism 100, gripping mechanism 200, etc. through the PLC, so that the automatic work of the dislocation correction device can be realized, thus reducing the While reducing the labor intensity of workers, it can also greatly improve work efficiency and increase the production efficiency of enterprises. In addition, the above-mentioned rotating mechanism 100 includes a rotating chassis, on which a driving motor is installed, and a base is set on the driving motor, and the driving motor can drive the base to realize a full 360-degree rotation, thereby improving the correcting device (the opening of the tailgate and the backstop is used as a correction) The abbreviation of the device, the same below) working efficiency and scope of application. In addition, the gripping mechanism 200 includes two manipulators arranged symmetrically on the base. The two manipulators are rotated by the rotating mechanism 100 to achieve precise positioning, and then clamped and fixed with the tailgate. Afterwards, through cooperation with the clamping mechanism 300, Therefore, the three-point fixing of the tailgate is realized, and the clamping stability and reliability are high.

Please refer to FIG. 1 and FIG. 2 , in one embodiment, the clamping mechanism 300 further includes a support 340 , a driving member 350 and a supporting member 360 , and the first clamping member 310 and the second clamping member 320 They are all arranged on the supporting member 360 , the driving member 350 is arranged on the support 340 , and the driving member 350 includes a driving arm 352 , and the driving arm 352 is drivingly connected to the supporting member 360 . Wherein, the support 340 is a structural plate, which is installed on the base of the rotating mechanism 100 through locking parts such as screws and is located at the middle and lower parts of the two manipulators; in addition, the driving part 350 is a cylinder, and the cylinder has a push rod (drive arm 352), the end of push rod is connected with support member 360 by screw or bolt etc., when cylinder works, drive push rod stretches out, thereby pushes support member 360 and drives first clamping member 310 and the second clamping member The fasteners 320 move toward each other to realize paired clamping between the clamping chamber 330 and the opening of the tailgate. The working method is simple and the reliability is high. In another embodiment, the middle part of the support is provided with a through long groove, and the end of the push rod is provided with a top block, and a part of the top block is embedded in the long groove, and the push rod drives the top block to slide in the long groove and connect with the support. The parts are abutted to push the support to move. This connection method is simpler and does not need to use traumatic connection methods such as opening holes on the support. It ensures beautiful appearance and service life while ensuring convenient assembly and disassembly.

Preferably, both the first clamping member 310 and the second clamping member 320 are L-shaped clamping blocks. In one embodiment, the clamping mechanism 300 further includes a first locking member 400, the first The clamping member 310 is provided with a first installation hole 312, the support member 360 is provided with a second installation hole 362 corresponding to the position of the first installation hole 312, and the first locking member 400 passes through the The first installation hole 312 and the second installation hole 362 . Wherein, the first locking member 400 is a bolt, and the first mounting hole 312 is a threaded hole opened on the L-shaped clamp block. Correspondingly, the second mounting hole 362 is another hole matching the first mounting hole 312. A threaded hole, the above-mentioned threaded assembly method can not only realize the firm installation of the first clamping member 310, but also facilitate its assembly and disassembly, saving time and effort.

In addition, in an embodiment, the clamping mechanism 300 further includes a second locking member 500, the second clamping member 320 is provided with a third installation hole 322, and the support member 360 is provided with the third The installation hole 322 corresponds to the fourth installation hole 364 , and the second locking member 500 passes through the third installation hole 322 and the fourth installation hole 364 . Wherein, the second locking member 500 is a bolt, and the third mounting hole 322 is a threaded hole opened on the L-shaped clamp block. Correspondingly, the fourth mounting hole 364 is another hole matching the third mounting hole 322. A threaded hole, the above-mentioned threaded assembly method can not only realize the firm installation of the first clamping member 310, but also facilitate its assembly and disassembly, saving time and effort.

In one embodiment, the drive member 350 further includes a drive base 354 and at least one positioning strut 356, the drive base 354 is provided with an assembly hole 354a, and one end of the positioning strut 356 is slidably disposed in the assembly hole In 354a, the other end of the positioning strut 356 is connected to the support member 360 . The cylinder block is provided with an assembly hole 354a, and a round rod (positioning strut 356) is slidably embedded in the assembly hole 354a. One end of the round rod and the support member 360 are provided with two threaded holes corresponding to the positions, and then the screw holes are realized by bolts. The fixed connection of the two, so when the cylinder pushes the support 360 to move upward or downward, the round rod next to the push rod can play an auxiliary supporting role for the support 360, avoiding single-point contact between the push rod and the support 360 , causing the clamping mechanism 300 to be deflected when it is in contact with the tailgate, resulting in the failure of normal clamping connection, making the rectification invalid.

Further, the number of the positioning struts 356 is two, and the two positioning struts 356 are symmetrically arranged on both sides of the driving arm 352 and are both connected to the support member 360 . Mounting holes 354a are respectively provided on both sides of the push rod on the cylinder base, and then round rods are slidably embedded in the mounting holes 354a, so that the three-point contact support to the support 360 can be realized by cooperating with the push rod, and the support to the support can be further improved. 360 support stability.

Referring to FIG. 3 , in one embodiment, the first clamping member 310 includes a clamping surface 314 , and the clamping surface 314 is an inclined plane. The L-shaped clamping block of the first clamping part 310 is connected to the supporting part 360 through the short part, and the long part cooperates with the second clamping part 320 to form a clamping chamber 330; wherein the long part is in contact with the side of the tailgate opening It is the clamping surface 314, and the clamping surface 314 is a slope structure, so that the clamping chamber 330 forms a shape with a gradually increasing cross-sectional size from bottom to top, so that the opening of the tailgate can be more easily embedded in the clamping chamber 330 In this way, the assembly convenience and reliability of the clamping chamber 330 and the opening of the tailgate are improved.

In one embodiment, a guiding portion 316 is provided at an end of the first clamping member away from the supporting member 360 . The end of the first clamping block is provided with a guide portion 316, which can be chamfered or rounded, so that it can guide the opening of the tailgate and improve the ability of the opening of the tailgate to slide into the clamping chamber 330. Effectiveness and reliability.

In one embodiment, the above-mentioned dislocation correction device further includes an adjustment mechanism (not shown in the figure) for adjusting the size of the clamping chamber 330, the first clamping member 310, the second clamping member 320 All are drivingly connected with the adjustment mechanism. The adjustment mechanism includes two slide rails arranged on the support member 360, the first clamping member 310 and the second clamping member 320 are respectively slidably arranged on the slide rails, and also includes a driving motor, which passes through the transmission assembly For example, gears, etc., are drivingly connected to the first clamping member 310 and the second clamping member 320 , and the driving motor is electrically connected to the control device. In this way, the automatic movement of the first clamping part 310 and the second clamping part 320 can be realized through the control device, and then the size of the clamping chamber 330 can be automatically changed to adapt to the clamping of tailgate openings of different sizes. The use flexibility and scope of application of the orthodontic device can be greatly improved.

In addition, a visual detection device communicatively connected with the control device is also installed on the support member 360 . The visual detection device includes a camera for capturing images in real time, and an operation analysis module connected with the camera, and the operation analysis module is connected with the control device. When the clamping mechanism 300 is clamped with the opening of the tailgate, the camera will capture the current clamping image, and then analyze in real time whether the clamping state meets the requirements through the calculation and analysis module (for example, whether the clamping position is correct, whether the clamping force is appropriate, etc.) , so that the result is output to the control device to flexibly adjust the clamping position of the clamping mechanism 300 and the tailgate, thereby greatly improving the correction quality. In addition, after the correction is completed, it is necessary to automatically weld the opening through the welding robot, and the camera can capture the weld seam picture in real time, analyze the welding quality through the calculation and analysis module, and then transmit the result to the control device to adjust the work of the welding robot state, thereby improving the welding quality of the opening, thereby improving the production quality of the tailgate.

As shown in Figure 4, the present invention also provides a method for correcting the dislocation correction device as described above, including the following steps:

The control device drives the rotating mechanism 100 to move, and drives the gripping mechanism 200 to move to the clamping station to grab the tailgate of the car;

The control device drives the rotating mechanism 100 to operate and rotate to the correcting station, and then the clamping mechanism 300 operates, and the clamping chamber 330 is clamped with the tailgate backstop opening to complete the automatic correction.

In the correction method of the above-mentioned misalignment correction device, when the control device detects the mold opening information, it controls the rotation mechanism 100 to move and rotate to the clamping station, and then controls the gripping mechanism 200 to grab the tailgate of the car, and then controls the The above-mentioned rotating mechanism 100 rotates the tailgate of the car to the correcting work, at this time the control device controls the clamping mechanism 300 to rise, so that the clamping chamber 330 is clamped with the opening, so as to realize the limit of the opening in the T direction and the H direction , avoid misalignment and affect the processing quality of the tailgate, eliminate manufacturing defects, and at the same time, through automatic work, it can avoid the manpower and time costs caused by manual repairs, ensure the production utilization rate and product quality of the enterprise, and ensure good economic benefits.

In addition, during and after the clamping and correction of the opening of the tailgate backstop by the clamping mechanism 300, real-time detection of the correction quality of the opening is also included by the visual inspection device, so as to make flexible adjustments and ensure the correction quality .

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A dislocation correction device, characterized in that, comprising: control device; a rotating mechanism, the rotating mechanism is electrically connected to the control device; a gripping mechanism, the gripping mechanism is arranged on the rotating mechanism and is electrically connected with the control device; and a clamping mechanism, the clamping mechanism is arranged on the rotating mechanism and electrically connected with the control device, the clamping mechanism cooperates with the gripping mechanism, and the clamping mechanism includes a first clamping mechanism A clamping part and a second clamping part, and a clamping chamber for clamping the opening of the backstop of the tailgate is formed between the first clamping part and the second clamping part. 2. The misalignment correction device according to claim 1, characterized in that, the clamping mechanism further comprises a support, a driving part and a supporting part, and the first clamping part and the second clamping part are both provided with On the supporting member, the driving member is arranged on the support, and the driving member includes a driving arm, and the driving arm is drivingly connected with the supporting member. 3. The misalignment correction device according to claim 2, wherein the driving member further comprises a driving base and at least one positioning strut, the driving base is provided with an assembly hole, and one end of the positioning strut slides It is arranged in the assembly hole, and the other end of the positioning strut is connected with the support member. 4. The misalignment correction device according to claim 3, wherein the number of the positioning struts is two, and the two positioning struts are symmetrically arranged on both sides of the driving arm and are both connected to the Support connection. 5. The misalignment correction device according to claim 2, wherein the clamping mechanism further comprises a first locking member, the first clamping member is provided with a first installation hole, and the support member is provided with In the second installation hole corresponding to the position of the first installation hole, the first locking member passes through the first installation hole and the second installation hole. 6. The misalignment correction device according to claim 2, wherein the clamping mechanism further comprises a second locking member, the second clamping member is provided with a third mounting hole, and the support member is provided with In the fourth installation hole corresponding to the position of the third installation hole, the second locking member passes through the third installation hole and the fourth installation hole. 7. The dislocation correction device according to any one of claims 1 to 6, wherein the first clamping member comprises a clamping surface, and the clamping surface is an inclined surface. 8 . The dislocation correction device according to any one of claims 2 to 6 , wherein a guide portion is provided at the end of the first clamping member away from the support member. 9 . 9. The dislocation correction device according to any one of claims 1 to 6, further comprising an adjustment mechanism for adjusting the size of the clamping chamber, the first clamping member, the second clamping The clamping parts are all drivingly connected with the adjustment mechanism. 10. A correction method for the dislocation correction device according to any one of claims 1 to 9, characterized in that it comprises the following steps: The control device drives the rotating mechanism to move, and drives the gripping mechanism to move to the clamping station to grab the tailgate of the car; The control device drives the rotating mechanism to operate and rotate to the correcting station, and then the clamping mechanism operates, and the clamping chamber and the opening of the backstop of the tailgate are clamped to complete automatic correction.