CN210734351U

CN210734351U - Floor assembly carrying device

Info

Publication number: CN210734351U
Application number: CN201921050729.4U
Authority: CN
Inventors: 张若斌; 高狄; 甘超; 梁施华; 向健淋; 王勇军; 陈柱; 周利宝
Original assignee: Changsha Chaint Robotics Co Ltd
Current assignee: Changsha Chaint Robotics Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-06-12
Anticipated expiration: 2029-07-08

Abstract

The utility model provides a floor assembly handling device. The floor assembly carrying device comprises a bracket and a lifting frame which is arranged above the bracket and has the same extending direction with the bracket, wherein the lifting frame is connected with the bracket at the same side, and the other side of the lifting frame and the bracket is of an opening structure; the extension end of the bracket is provided with a limiting component for fixing the bracket and the floor assembly, and the lifting frame is provided with a gun changing disc for grabbing by the mechanical arm. Compared with the prior art, the utility model provides a mode that floor assembly handling device adopted to lift realizes the transport to the floor assembly of white automobile body, simple structure, light in weight, with low costs, and has less inertia apart from, and it is lower to the robot load requirement.

Description

Floor assembly carrying device

Technical Field

The utility model relates to a transport technical field of automobile parts production process especially relates to a floor assembly handling device.

Background

In the manufacturing process of automobiles, the welding of the body-in-white floor assembly needs to be completed through line production at a plurality of stations. Due to the large size and weight of the body-in-white floor assembly, handling is typically accomplished with a mechanical gripper while transporting the assembly from one station to another. For example: when the floor assembly in the white automobile body is welded, the floor assembly needs to be conveyed to an automobile body welding production line from a floor welding production line, and the floor assembly in the white automobile body needs to be clamped and supported in order to avoid slipping in the conveying process.

Existing handling devices usually work in a gripping manner, as disclosed in patent publication No.: CN208377877U, patent name: a general type carrying gripper for automobile longitudinal beams is characterized in that a white automobile body floor assembly is clamped by a cylinder clamping element, positioning is carried out through positioning holes of the longitudinal beams on the floor assembly, the positioning and clamping effects are achieved, and then the carrying gripper is carried by a robot.

Because some motorcycle type floors are longer, and its quality is apart from great with inertia, therefore if adopt above-mentioned snatch the mode and carry, then have to require greatly to the robot load, the gripping apparatus structure is complicated and the quality is heavy, problem such as tooling equipment cost height.

Therefore, there is a need to provide a new floor assembly handling device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a floor assembly handling device who is suitable for long lower car body floor transport simplifies the gripping apparatus structure.

The technical scheme of the utility model is that: the floor assembly carrying device comprises a bracket and a lifting frame which is arranged above the bracket and has the same extending direction with the bracket, wherein the bracket of the lifting frame is connected with the same side, and the lifting frame and the other side of the bracket are of an opening structure; the extension end of the bracket is provided with a limiting component for fixing the bracket and the floor assembly, and the lifting frame is provided with a gun changing disc for grabbing by the mechanical arm.

In the above-mentioned scheme, the space that can place the floor assembly is formed between bracket and the gallows, and the floor assembly is placed and is lifted the floor assembly through the bracket in this space, and the robot snatchs the gallows through trading the rifle dish and realizes lifting the transportation to the floor assembly. And in the hoisting and transferring processes, the purpose of clamping the limiting assembly is realized by utilizing the dead weight of the floor assembly. Compared with the prior art, the structure of the gripping apparatus applied to the transportation of the long-size floor assembly is simplified, the weight of the gripping apparatus is reduced, and the cost is saved.

Preferably, the bracket comprises a connecting arm, and a first arm and a second arm which are perpendicularly connected to two ends of the connecting arm, the lifting frame is connected to the connecting arm, and the extending direction of the first arm and the extending direction of the second arm are the same as the extending direction of the lifting frame.

Preferably, the limiting component comprises

positioning pins

45 and 46 and

support blocks

41, 42, 43 and 44 corresponding to the longitudinal beam in the floor assembly, the

support blocks

41 and 42 and the

positioning pins

45 and 46 are arranged on the first arm at intervals, and the

positioning pins

45 and 46 are vertically arranged adjacent to the

support blocks

41 and 42; the

pads

43, 44 are spaced apart on the second arm.

Preferably, the

support blocks

41 and 42 are in an L-shaped structure arranged oppositely; the upper ends of the

support blocks

43, 44 are provided with inclined surfaces inclined towards the first arm.

Preferably, the extension length of the lifting frame is less than the extension length of the first arm and the second arm.

The position of lifting point is shorter than the length of lifting point, can guarantee to a certain extent that the robot snatchs the stationarity when transporting, avoids taking place to tumble because of the focus is unbalanced, leads to the robot to overload work and influences the normal operating of transporting work. Typically, the first and second arms extend for a length greater than or equal to the width (transverse position) of the floor assembly, and the gun changing tray on the lifting frame is at or slightly greater than the longitudinal centerline of the floor assembly (the length of the floor assembly).

Preferably, the distance between the first arm and the second arm is greater than the width of the lifting frame. The lifting surface is enlarged, so that the stability of the transfer can be further improved.

Preferably, the lifting frame comprises a body and a connecting part bent along the body, the body and the first arm and the second arm extend in the same direction, and the connecting part is connected with the connecting arm.

Preferably, the gun changing plate is arranged on the upper side face of the body of the lifting frame and far away from the tail end of the connecting part. The robot grabs the body-in-white floor assembly from the upper part of the carrying device, and the mode can ensure that the carrying process of the robot is a plane and smooth movement without an inclined posture.

Preferably, the gun changing plate is arranged on the outer side surface of the connecting part. The gun changing plate is arranged on the side surface, so that the robot can obtain a larger working radius.

Compared with the prior art, the beneficial effects of the utility model are that: adopt the mode of lifting to realize the transport to the floor assembly of white automobile body, compare with the original structure of snatching, the utility model discloses a handling device structure is more simple. In the design of the floor assembly carrying device of a certain vehicle type, the weight of the carrying device is reduced by 42 percent compared with that of a grabbing structure on the premise of using the same material; a reduction in volume of about 30%; the robot has smaller inertia distance, lower requirement on robot load, no need of expensive parts such as a necessary pneumatic clamping element in a grabbing structure and the like, and lower production cost.

Drawings

Fig. 1 is a schematic structural view of a floor assembly handling device provided by the present invention;

fig. 2 is a schematic view of the floor assembly carrying device according to the present invention in use.

In the attached drawing, 1-bracket, 11-connecting arm, 12-first arm, 13-second arm, 2-lifting frame, 21-body, 22-connecting part, 3-gun changing plate, 4-limiting component, 41-first supporting block, 42-second supporting block, 43-third supporting block, 44-fourth supporting block, 45-first positioning pin, 46-second positioning pin, 100-carrying device, 200-floor assembly and 201-hole.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the utility model provides a floor assembly handling device 100 includes bracket 1, locates bracket 1 top and with the same play gallows 2 of bracket 1 extending direction and play to be equipped with on the gallows 2 and be used for the arm to snatch trade rifle dish 3.

The bracket 1 comprises a connecting arm 11, a first arm 12 and a second arm 13 which are vertically connected to two ends of the connecting arm 11, wherein the connecting arm 11, the first arm 12 and the second arm 13 are all on a horizontal plane.

The lifting frame 2 comprises a body 21 and a connecting portion 22 bent along the body 21, the body 21 is the same as the extending direction of the first arm 12 and the second arm 13, the connecting portion 22 is connected with the connecting arm 11, and the central axis of the connecting portion 22 is flush with the central axis of the bracket 1.

The extension of the body 21 of the lifting frame 2 is smaller than the extension of the first arm 12 and the second arm 13. The distance between the first arm 12 and the second arm 13 is greater than the width of the lifting frame 2.

The bracket 1 and the lifting frame 2 of the conveying device are of an open structure at one end far away from the connecting part 22.

And the first arm 12 and the second arm 13 are both provided with a limiting component 4 for fixing the bracket 1 and the floor assembly. The limiting assembly 4 comprises a first supporting block 41, a second supporting block 42, a third supporting block 43, a fourth supporting block 44, a first positioning pin 45 and a second positioning pin 46. The first supporting block 41 and the second supporting block 42 are arranged on the first arm 12 at intervals, and the first supporting block 41 and the second supporting block 42 are of L-shaped structures which are arranged in a back-to-back mode. The third supporting block 43 and the fourth supporting block 44 are arranged on the second arm 13 at intervals, and inclined planes inclined towards the first arm 12 are arranged at the upper ends of the third supporting block 43 and the fourth supporting block 44.

First locating pin 45 and second locating pin 46 are all vertical to be located on the first arm 12, just first locating pin 45 is close to first tray 41 and is set up, second locating pin 46 is close to second tray 42 and sets up.

In the present embodiment, the gun changing plate 3 is provided on the upper side of the body 21 of the lifting and lowering frame 2 away from the end of the connecting portion 22. In another embodiment, the gun changing plate 3 is arranged on the outer side surface of the connecting part 22.

As shown in FIGS. 1-2, the carrying device 100 enters from one side of the floor assembly 200, and the floor assembly 200 is placed between the lifting frame 2 and the bracket 1. The first positioning pin 45 and the second positioning pin 46 are used for positioning through holes 201 in longitudinal beams in the floor assembly 200 (the longitudinal beams refer to beams in the length direction of the floor assembly), the first supporting block 41, the second supporting block 42, the third supporting block 43 and the fourth supporting block 44 are used for supporting the positions of the longitudinal beams in the floor assembly 200, the robot grabs the carrying device 100 and the floor assembly 200 through the gun changing disc 3 to move, the carrying process is a plane smooth movement, and no inclined posture exists, so that a good carrying effect is achieved.

When the floor assembly 200 is transported by the transporting apparatus 100, the second arm 13 is located at the front end (engine compartment) of the longitudinal beam in the floor assembly 200, and contacts the front end of the longitudinal beam through the inclined surfaces of the third and

fourth pads

43 and 44. The first support block 41 and the second support block 42 on the first arm 12 are contacted with the longitudinal beam in the floor assembly 200 at the position far away from the front end through the L-shaped structure.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The floor assembly carrying device is characterized by comprising a bracket (1) and a lifting frame (2) which is arranged above the bracket (1) and has the same extending direction with the bracket (1), wherein the lifting frame (2) is connected with the bracket (1) at the same side, and the other sides of the lifting frame (2) and the bracket (1) are of an open structure; the extension end of the bracket (1) is provided with a limiting component (4) for fixing the bracket (1) and the floor assembly, and the lifting frame (2) is provided with a gun changing disc (3) for grabbing by a mechanical arm.

2. The floor assembly handling device according to claim 1, characterized in that the carrier (1) comprises a connecting arm (11) and a first arm (12) and a second arm (13) connected perpendicularly to both ends of the connecting arm (11), the lifting frame (2) being connected to the connecting arm (11), the first arm (12) and the second arm (13) extending in the same direction as the lifting frame (2).

3. The floor assembly handling device according to claim 2, wherein the limiting component (4) comprises positioning pins (45, 46) and support blocks (41, 42, 43, 44) corresponding to the positions of the longitudinal beams in the floor assembly, the support blocks (41, 42) and the positioning pins (45, 46) are arranged on the first arm (12) at intervals, and the positioning pins (45, 46) are vertically arranged adjacent to the support blocks (41, 42); the support blocks (43, 44) are arranged on the second arm (13) at intervals.

4. Floor assembly handling device according to claim 3, wherein the pallets (41, 42) are of an L-shaped configuration arranged opposite each other; the upper ends of the supporting blocks (43 and 44) are respectively provided with an inclined surface inclined towards the first arm.

5. Floor assembly handling device according to claim 2, characterized in that the extension of the lifting frame (2) is smaller than the extension of the first arm (12) and the second arm (13).

6. Floor assembly handling device according to claim 2, characterized in that the distance between the first arm (12) and the second arm (13) is larger than the width of the lifting frame (2).

7. Floor assembly handling device according to claim 2, characterized in that the lifting frame (2) comprises a body (21) and a connecting portion (22) bent along the body (21), the body (21) extending in the same direction as the first (12) and second (13) arms, the connecting portion (22) being connected to the connecting arm (11).

8. Floor assembly handling device according to claim 7, characterized in that the gun changing tray (3) is provided on the upper side of the body (21) of the lifting frame (2) remote from the end of the connecting portion (22).

9. Floor assembly handling device according to claim 7, wherein the gun changing tray (3) is provided on an outer side of the connecting portion (22).