Four-door and two-hood edge pressing device for automobile body-in-white

Abstract

The application discloses a four-door and two-cover edge pressing device for a car body-in-white, characterized in that the edge pressing device comprises a basic support frame, a sliding block is arranged on the basic support frame, the sliding block is slidably connected with a Z-axis sliding rail, the Z-axis sliding rail is fixedly arranged on a longitudinal moving support frame, a servo motor is arranged at the bottom of the longitudinal moving support frame, a driving tooth is arranged on the working end of the servo motor, the driving tooth is meshed with a transition tooth, the transition tooth is meshed with a driven tooth, the driving tooth, the transition tooth and the driven tooth are all rotatably supported on the bottom plate of the longitudinal moving support frame, the driven tooth is connected with a lead screw, the lead screw is rotatably supported in the longitudinal moving support frame, the lead screw is connected with a nut seat, and the nut seat is fixedly connected with the basic support frame.

Description

TECHNICAL FIELD

[0001] The present application relates to the production field of automobile, in particular to a four-door and two-cover edge pressing device for automobile body-in-white. BACKGROUND

[0002] At present, in major automobile production lines, edge pressing technology has been widely used in the hemming of the door cover line of the car body-in-white, including the left and right front doors, the left and right rear doors, the front cover and the rear cover, etc. In the traditional edge pressing operation, the edge pressing mechanism is driven by a mechanical hand. This method has the problems of high cost (the mechanical hand is expensive) and the actual edge pressing action is realized by combining two actions: hemming and pressing. That is, the mechanical hand needs to drive the edge pressing mechanism to make the above two actions to complete one edge pressing operation. Due to the above reasons, the control program of the mechanical hand needs to input the programs of the two actions in advance to ensure that it can drive the edge pressing mechanism to make the above two actions in turn, which brings certain difficulties to program compilation and increases the overall operating cost (the development of the corresponding program also requires additional cost). Therefore, a method or device is needed to solve the above problems. SUMMARY

[0003] The present application is to solve the above technical problems, and provides a device with simple structure, ingenious design and reasonable layout, which can quickly and conveniently realize the edge pressing operation of the four-door and two-cover automobile body-in-white under strict cost control.

[0004] The technical solution of the present application is: a four-door and two-cover edge pressing device for automobile body-in-white, characterized in that: the edge pressing device comprises a base support frame 1, a sliding block 2 is arranged on the base support frame 1, the sliding block 2 is in sliding connection with a Z-axis sliding rail 3, the Z-axis sliding rail 3 is fixedly arranged on a longitudinal moving support frame 4, a servo motor 5 is arranged at the bottom of the longitudinal moving support frame 4, a driving tooth 6 is arranged on the working end of the servo motor 5, the driving tooth 6 is in meshing connection with a transition tooth 7, the transition tooth 7 is in meshing connection with a driven tooth 8, and the driving tooth 6, the transition tooth 7 and the driven tooth 8 are all rotationally supported on the bottom plate 9 of the longitudinal moving support frame 4, the driven tooth 8 is connected with a lead screw 10, and the lead screw 10 is rotationally supported in the longitudinal moving support frame 4, the lead screw 10 is connected with a nut seat 11, and the nut seat 11 is fixedly connected to the base support frame 1,

[0005] A top plate 12 is arranged at the top of the longitudinal moving support frame 4, a plurality of limiting frames 13 are horizontally arranged on the top plate 12, a translation plate 14 is in sliding connection with the limiting frames 13, a pressing strip support frame 15 is arranged on the translation plate 14, a plurality of vertical vertical surfaces 16 are arranged on the pressing strip support frame 15, and two horizontal pressing strips 17 are arranged on the vertical surfaces 16,

[0006] The longitudinal moving support frame 4 is also fixed with longitudinally distributed driving cylinders 18, the end of the working shaft of the driving cylinder 18 is rotatably connected with the bottom end of a T-shaped connecting piece 19, one end of the top of the T-shaped connecting piece 19 is rotatably connected with a hinged seat 20 arranged on the top plate 12, the other end is hingedly connected with one end of a translation plate connecting piece 21, and the other end of the translation plate connecting piece 21 is rotatably connected with the edge of the translation plate 14.

[0007] The longitudinal moving support frame 4 is provided with a scale 22, and the base support frame 1 is provided with a pointer 23 matched with the scale 22.

[0008] The bottom plate 9 is also rotatably supported with a lubricating tooth 24, and the lubricating tooth 24 is meshed with the transition tooth 7.

[0009] Compared with the prior art, the present application has the following advantages:

[0010] The automobile body-in-white four-door two-cover edge pressing device has the advantages of simple structure, ingenious design, reasonable layout, low cost, low failure rate, high reliability, simple manufacturing process, low manufacturing cost, wide market prospect, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective structural schematic view of the embodiment of the present application (direction one).

[0012] Figure 2 is a perspective structural schematic view of the embodiment of the present application (direction two).

[0013] Figure 3 is a bottom view of the embodiment of the present application.

[0014] Figure 4 is a working process schematic view of the embodiment of the present application when step 3 is performed.

[0015] Figure 5 is a working process schematic view of the embodiment of the present application when step 8 is performed.

[0016] Figure 6 This is a schematic diagram of the motion trajectory of the pressure strip support frame in an embodiment of the present invention. Detailed Implementation

[0017] Specific embodiments of the present invention will now be described in conjunction with the accompanying drawings. Figures 1 to 6 The image shows a four-door, two-hood pressing device for an automotive body-in-white. It includes a base support frame 1, on which a slider 2 is mounted. The slider 2 is slidably connected to a Z-axis slide rail 3, which is fixedly mounted on a longitudinal support frame 4. A servo motor 5 is mounted at the bottom of the longitudinal support frame 4. An active gear 6 is mounted on the working end of the servo motor 5. The active gear 6 meshes with a transition gear 7, which in turn meshes with a passive gear 8. The active gear 6, transition gear 7, and passive gear 8 are all rotatably supported on the base plate 9 of the longitudinal support frame 4. The passive gear 8 is connected to a lead screw 10, which is rotatably supported within the longitudinal support frame 4. The lead screw 10 is connected to a lead screw nut 11, which is fixedly connected to the base support frame 1.

[0018] The top of the longitudinal support frame 4 is provided with a top plate 12. A horizontally distributed limiting frame 13 is provided on the moving plate 12. A translation plate 14 is slidably connected within the limiting frame 13. A pressure strip support frame 15 is provided on the translation plate 14. A longitudinally distributed vertical surface 16 is provided on the pressure strip support frame 15. Two horizontally distributed and parallel pressure strips 17 are provided on the vertical surface 16.

[0019] The longitudinal support frame 4 is also fixedly supported by longitudinally distributed drive cylinders 18. The end of the working shaft of the drive cylinder 18 is rotatably connected to the bottom end of the T-shaped connector 19. One end of the top of the T-shaped connector 19 is rotatably connected to the hinge seat 20 set on the top plate 12, and the other end is hinged to one end of the translation plate connector 21. The other end of the translation plate connector 21 is rotatably connected to the edge of the translation plate 14.

[0020] The longitudinal support frame 4 is equipped with a scale 22, and the base support frame 1 is equipped with a pointer 23 that matches the scale 22.

[0021] The base plate 9 is also rotatably supported by a lubrication tooth 24, which meshes with the transition tooth 7.

[0022] The working process of the automotive body-in-white four-door two-hood pressing device in this embodiment of the invention is as follows: The basic support frame 1 is fixedly connected to the frame at the pressing station. The car door that needs to be pressed is moved to the device by the conveyor belt and other conveying mechanisms. After reaching the processing position, it stops. The control system that uniformly controls the pressing station will control the device to start working and perform folding and pressing operations on the edge of the car door.

[0023] In the initial state, the pressing strip support frame 15 and the two pressing strips 17 thereon are in the initial position, after the control system detects that the door is moved to the position, the pressing strip support frame 15 is raised from position a to position b (step 1),

[0024] Then the driving cylinder 18 is actuated to drive the pressing strip support frame 15 to move horizontally to the workpiece direction from position b to the pre-pressing preparation position c (step 2),

[0025] After the control system receives the signal that the pressing strip support frame 15 moves to the position (achieved by relying on the sensor pre-set at the pressing edge station), the servo motor 5 works to drive the pressing strip support frame 15 to move downward from position c to the pre-pressing completion position d, in this process, the relatively lower pressing strip 17 on the pressing strip support frame 15 directly presses on the workpiece to complete the pre-pressing process (step 3);

[0026] After the pre-pressing process, the pressing strip support frame 15 is raised again to return to the pre-pressing preparation position c (step 4);

[0027] The driving cylinder 18 is reversely actuated to drive the pressing strip support frame 15 to retreat from position c to position b (step 5)

[0028] The servo motor 5 works again to drive the pressing strip support frame 15 to move downward from position b to the initial position a (step 6);

[0029] The driving cylinder 18 is actuated to drive the pressing strip support frame 15 to move horizontally to the workpiece direction again, from position a to the final pressing preparation position e (step 7);

[0030] The servo motor 5 works to drive the pressing strip support frame 15 to move downward from the final pressing preparation position e to the final pressing completion position f and hold for 2s (step 8), in this process, the relatively higher pressing strip 17 on the pressing strip support frame 15 directly presses on the workpiece to finally realize the flanging and pressing operation;

[0031] The servo motor 5 works to drive the pressing strip support frame 15 to move upward from the final pressing completion position f to the final pressing preparation position e (step 9);

[0032] The driving cylinder 18 is actuated to drive the pressing strip support frame 15 to move horizontally away from the workpiece, from the final pressing preparation position e to the initial position a (step 10);

[0033] The above steps 1 to 10 complete a complete pressing edge operation;

[0034] When the servo motor 5 works, the passive tooth 8 and the screw 10 are driven to rotate by the driving tooth 6 and the transition tooth 7, since the screw 10 is connected with the nut seat 11, and the nut seat 11 is directly connected with the base support frame 1, so when the screw 10 rotates, the longitudinal moving support frame 4 will be driven to move linearly relative to the base support frame 1 through the nut seat 11; during the process, the operator can observe the relative position between the pointer 23 and the scale 22 to determine the relative displacement between the base support frame 1 and the longitudinal moving support frame 4;

[0035] When the driving cylinder 18 works, it will drive the T-shaped connecting piece 19 to move, since one end of the top of the T-shaped connecting piece 19 is connected with the fixed hinge seat 20, so the T-shaped connecting piece 19 will swing around the connecting shaft between it and the hinge seat 20, and then pull (or push) the translation plate 14 to move linearly relative to the limiting frame 13 through the translation plate connecting piece 21;

[0036] The servo motor 5 can rotate forward and backward, and the driving cylinder 18 can extend or retract, so as to realize the reciprocating linear motion of the longitudinal moving support frame 4 in the longitudinal direction and the reciprocating linear motion of the translation plate 14 in the horizontal direction respectively, and the combination of the above two (four directions) motions can realize the actions of the step 1 to the step 10 of the pressing strip support frame 15 and the two pressing strips 17 arranged thereon.

[0037] After working for a period of time, lubricating oil or grease can be added at the lubricating tooth 24, which will bring the lubricating oil / grease to all the gears during the rotation process.

Claims

1. A four-door two-hood press frame device for an automobile body-in-white, characterized in that: The edge pressing device comprises a base support frame (1), a sliding block (2) is arranged on the base support frame (1), the sliding block (2) is in sliding connection with a Z-axis sliding rail (3), the Z-axis sliding rail (3) is fixedly arranged on a longitudinal moving support frame (4), a servo motor (5) is arranged at the bottom of the longitudinal moving support frame (4), a driving tooth (6) is arranged on the working end of the servo motor (5), the driving tooth (6) is in meshing connection with a transition tooth (7), the transition tooth (7) is in meshing connection with a driven tooth (8), the driving tooth (6), the transition tooth (7) and the driven tooth (8) are all rotatably supported on the bottom plate (9) of the longitudinal moving support frame (4), the driven tooth (8) is connected with a lead screw (10), the lead screw (10) is rotatably supported in the longitudinal moving support frame (4), the lead screw (10) is connected with a nut seat (11), the nut seat (11) is fixedly connected on the base support frame (1), A top plate (12) is arranged at the top of the longitudinal moving support frame (4), a plurality of limiting frames (13) are horizontally arranged on the top plate (12), a translation plate (14) is in sliding connection with the limiting frames (13), a pressing strip support frame (15) is arranged on the translation plate (14), a plurality of vertical vertical surfaces (16) are arranged on the pressing strip support frame (15), two horizontal pressing strips (17) are arranged on the vertical surfaces (16) and are parallel to each other, A plurality of driving air cylinders (18) are fixedly and supportively arranged on the longitudinal moving support frame (4), the end of the working shaft of the driving air cylinder (18) is rotatably connected with the bottom end of a T-shaped connecting piece (19), one end of the top of the T-shaped connecting piece (19) is rotatably connected with a hinge seat (20) arranged on the top plate (12), the other end is hingedly connected with one end of a translation plate connecting piece (21), and the other end of the translation plate connecting piece (21) is rotatably connected with the edge of the translation plate (14).

2. The four-door two-hood drawbead device for an automobile body-in-white according to claim 1, characterized by: A scale (22) is arranged on the longitudinal moving support frame (4), and a pointer (23) matched with the scale (22) is arranged on the base support frame (1).

3. The four-door two-hood drawbead device for an automobile body-in-white according to claim 1, characterized by: A lubricating tooth (24) is rotatably supported on the bottom plate (9), and the lubricating tooth (24) is in meshing connection with the transition tooth (7).

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