CN218025032U - The lifting mechanism of the spreader in the assembly fixture - Google Patents

Abstract

The utility model relates to the field of automobile production, in particular to a lifting appliance lifting mechanism in a general assembly fixture, which comprises a guide rail, a driving device, a bracket component, a mounting bracket, two connecting components and a sliding mechanism, wherein two ends of the guide rail are arranged on a gantry crane which slides transversely, the driving device and the two sliding mechanisms are respectively arranged on the guide rail in a sliding way, the driving device is positioned between the two sliding mechanisms, the upper end of the bracket component is fixedly arranged at the lower ends of the two sliding mechanisms, the two connecting components are respectively hinged at two sides of the bracket component, the mounting bracket is fixed at the lower ends of the two connecting components, and the mounting bracket and the driving device are connected through a cable; in addition, the hoisting and placing stability can be stabilized by designing the connecting assembly, and in addition, the safety guarantee can be provided for the device.

Description

The lifting mechanism of the spreader in the assembly fixture

technical field

The utility model relates to the field of automobile production, in particular to an elevating mechanism of a spreader in an assembly jig.

Background technique

The general assembly is the most important link in the welding production line in the automobile manufacturing process. On the one hand, the quality problems of the general assembly will increase the scrap rate of vehicles and the manufacturing cost. Assembly is to assemble the body chassis parts, side wall parts, roof beams, roof and other parts together by welding to form the body structure. Therefore, based on product design, a device that can transport and lift the above parts or assemblies is required.

Utility model content

The utility model provides an elevating mechanism for a spreader in an assembly jig, the purpose of which is to transport parts that need to be transported in the process of hoisting and assembly.

For this purpose, the utility model adopts the following technical solutions:

Provide the lifting mechanism of the spreader in the assembly jig, including a guide rail, a driving device, a bracket assembly, a mounting bracket, two connecting assemblies and a sliding mechanism. The two ends of the guide rail are slidably arranged on a horizontally sliding gantry crane. The two sliding mechanisms are slidably installed on the guide rails respectively, and the driving device is located in the middle of the two sliding mechanisms. On the side, the mounting bracket is fixed at the lower ends of the two connecting components, and the mounting bracket and the driving device are connected by cables.

Further, the drive device includes a first motor, a second motor and a first sliding car, the first sliding car is slidably installed on the guide rail, the first motor is fixed on one side of the first sliding car, and the first motor The output end of the motor is connected to the guide rail through the rubber wheel, the second motor is fixedly connected to the lower end of the first sliding trolley, and the second motor is connected to the mounting bracket through a cable.

Further, the bracket assembly includes two square frames, the four corners corresponding to the two square frames are respectively fixedly connected by four connecting columns, the upper square frame is fixedly connected with the two sliding mechanisms, and the lower square frame is fixedly connected with the two sliding mechanisms. The two connecting components are hinged, and the second motor is located in the center of the upper frame.

Further, each of the connecting assemblies includes several connecting plate groups, and the several connecting plate groups are hinged in a vertical array, the upper end of the uppermost connecting plate group is hinged on the bottom side of the lower box, and The lower end of the connecting plate group below is hinged on the upper end side of the mounting bracket.

Further, each of the connecting plate groups includes a first connecting plate and a second connecting plate, a sliding groove is opened in the middle of the first connecting plate, and a middle portion of the second connecting plate is hinged in the sliding groove.

Further, each of the sliding mechanisms includes a second sliding trolley, the second sliding trolley is slidably installed on the guide rail, and the lower end of the second sliding trolley is fixedly connected to the upper frame.

Further, the mounting bracket includes a mounting frame and a triangular support frame, the lower ends of the two connecting assemblies are respectively hinged on both sides of the upper end of the mounting frame, the triangular support frame includes two tripods, and the bottoms of the two tripods The sides are set at 90 degrees, and the middle parts of the bottom edges of the two tripods are welded and connected, and the top corners of the two tripods are welded and connected. The top and the middle part of the bottom of the support frame, and the lower end of the cable is fixedly connected with the installation frame.

The beneficial effects of the utility model:

The lifting mechanism of the hanger in the assembly fixture of the utility model has a simple structure, and because it can meet the positioning requirements, it can achieve the accuracy of the assembly position of the body sheet metal parts, and the work is reliable; in addition, the design of the connecting components can not only stabilize the hoisting and placement In addition, it can also provide security for this device.

Description of drawings

In order to illustrate the technical solution of the embodiment of the utility model more clearly, the accompanying drawings used in the embodiment of the utility model will be briefly introduced below.

Fig. 1 is the overall three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is an exploded schematic view of the overall three-dimensional structure of the utility model;

3 is an exploded schematic view of the overall three-dimensional structure of the drive device of the present invention;

Fig. 4 is an exploded schematic diagram of the overall three-dimensional structure of the bracket assembly of the present invention;

Fig. 5 is an exploded schematic view of the overall three-dimensional structure of the mounting bracket of the present invention;

Fig. 6 is an exploded schematic diagram of a partial three-dimensional structure of the connection assembly of the present invention;

Fig. 7 is the front view of the utility model;

Fig. 8 is a left view of the utility model;

In the picture:

1. Guide rail; 2. Driving device; 21. First motor; 22. Second motor; 23. First sliding trolley; 24. Rubber wheel; 3. Bracket assembly; 31. Box; 32. Connecting column; 4. Mounting bracket; 41, mounting frame; 42, triangular support frame; 421, tripod; 5, connecting assembly; 51, connecting plate group; 511, the first connecting plate; 5110, chute; . Sliding mechanism; 61. The second sliding trolley; 7. Cable; 8. Connecting body.

detailed description

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than actual drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted , enlarged or reduced, and does not represent the size of the actual product.

Referring to Fig. 1 to Fig. 2 and Fig. 7 to Fig. 8, the spreader lifting mechanism in the assembly jig includes a guide rail 1, a driving device 2, a bracket assembly 3, a mounting bracket 4, two connecting assemblies 5 and a sliding mechanism 6, The two ends of the guide rail 1 are slidingly arranged on the horizontally sliding gantry crane, the driving device 2 and the two sliding mechanisms 6 are respectively slidably installed on the guide rail 1, and the driving device 2 is located in the middle of the two sliding mechanisms 6, so The upper end of the support assembly 3 is fixedly installed on the lower ends of the two sliding mechanisms 6, and the two connecting assemblies 5 are respectively hinged on both sides of the support assembly 3, the mounting bracket 4 is fixed on the lower ends of the two connecting assemblies 5, and the mounting bracket 4 and the driving device 2 are connected by a cable 7. By sliding the two ends of the guide rail 1 on the gantry crane that can slide horizontally, the guide rail 1 can do reciprocating motion, and at the same time the motion track can be controlled by the controller, and the rest of the device can slide Set on the guide rail 1, it can slide horizontally and vertically so that the mounting bracket 4 can reach any position in the factory building;

Each of the sliding mechanisms 6 includes a second sliding trolley 61, the second sliding trolley 61 is slidably mounted on the guide rail 1, the lower end of the second sliding trolley 61 is fixedly connected to the upper frame 31, and the two second sliding The trolley 61 moves under the drive of the first sliding trolley 23, and the sliding mechanism 6 provides the stability of the support for the device.

Referring to the hoisting mechanism of the spreader in the assembly fixture shown in Fig. 3 and Fig. 4, the drive device 2 includes a first motor 21, a second motor 22 and a first sliding trolley 23, and the first sliding trolley 23 is slidably installed on On the guide rail 1, the first motor 21 is fixed on one side of the first sliding car 23, and the output end of the first motor 21 is connected to the guide rail 1 through a rubber wheel 24, and the second motor 22 is fixedly connected to the first sliding car 23 The lower end of the lower end, and the second motor 22 is connected with the mounting bracket 4 through the cable 7, the driving device 2 provides the power source for the horizontal sliding and vertical hoisting of the device respectively, and the first motor 21 drives the rubber wheel 24 to rotate, because the rubber wheel 24 and The guide rail 1 is rotatably connected, so the first motor 21 can drive the first sliding trolley 23 to slide on the guide rail 1, so that the whole device slides along the guide rail 1, and the second motor 22 can lift the mounting bracket 4 by rolling the cable 7 or lay down;

The bracket assembly 3 includes two square frames 31, the four corners corresponding to the two square frames 31 are respectively fixedly connected by four connecting columns 32, the upper square frame 31 is fixedly connected with the two sliding mechanisms 6, and the lower one is fixedly connected. The frame 31 is hinged to the two connecting assemblies 5, the second motor 22 is located in the center of the upper frame 31, and the function of the bracket assembly 3 is to provide a hinged fulcrum for the two connecting assemblies 5, and the connecting column 32 can be replaced according to requirements during specific implementation Into a telescopic form or a cylinder, so that the height of the bracket assembly 3 can be adjusted to cooperate with the hoisting operation.

Referring to the hoisting mechanism in the assembly jig shown in Figure 5, the mounting bracket 4 includes a mounting frame 41 and a triangular support frame 42, and the lower ends of the two connecting assemblies 5 are respectively hinged on both sides of the upper end of the mounting frame 41, Described tripod support frame 42 comprises two tripods 421, and the base of two tripods 421 is 90 degree settings, and the middle part of the bottom of two tripods 421 is welded and connected, and the apex of two tripods 421 is welded and connected, The tripod 42 is fixedly connected to the mounting frame 41 through five connectors 8 , the lower end of the cable 7 passes through the top and bottom middle of the tripod 42 , and the lower end of the cable 7 is fixedly connected to the mounting frame 41 .

Referring to the lifting mechanism of the spreader in the assembly fixture shown in Figure 6, each of the connecting components 5 includes several connecting plate groups 51, and several connecting plate groups 51 are vertically hinged in an array, and the connecting plate group 51 located at the top The upper end of the upper end is hinged on the bottom side of the lower frame 31, and the lower end of the lowermost connecting plate group 51 is hinged on the upper end side of the mounting bracket 4;

Each connecting plate group 51 includes a first connecting plate 511 and a second connecting plate 512, the middle part of the first connecting plate 511 is provided with a sliding groove 5110, and the middle part of the second connecting plate 512 is hinged in the sliding groove 5110, The connection assembly 5 is composed of several first connection plates 511 and second connection plates 512 hinged to each other. The function of the connection assembly 5 is to stabilize the stability of the workpiece during hoisting and placement, so that the mounting bracket 4 No rotation occurs, and the hinged connection assembly 5 can provide cushioning and protection for the installation bracket 4, that is, when the cable 7 fails in an emergency and becomes loose, the connection assembly 5 can prevent the installation bracket 4 from falling off, which protects the hoisting workpiece while also avoiding production accidents.

Claims (7)

1. The lifting mechanism of the spreader in the assembly jig is characterized in that it includes a guide rail (1), a driving device (2), a bracket component (3), a mounting bracket (4), two connecting components (5) and a sliding mechanism ( 6), the two ends of the guide rail (1) are slidably arranged on the horizontally sliding gantry crane, the driving device (2) and the two sliding mechanisms (6) are respectively slidably installed on the guide rail (1), and drive The device (2) is located between the two sliding mechanisms (6), the upper end of the bracket assembly (3) is fixedly installed on the lower end of the two sliding mechanisms (6), and the two connecting assemblies (5) are respectively hinged on the bracket assembly (3). ), the mounting bracket (4) is fixed on the lower ends of the two connecting assemblies (5), and the mounting bracket (4) and the driving device (2) are connected by a cable (7). 2. The lifting mechanism of the spreader in the assembly fixture according to claim 1, characterized in that, the driving device (2) comprises a first motor (21), a second motor (22) and a first sliding trolley (23 ), the first sliding car (23) is slidably mounted on the guide rail (1), the first motor (21) is fixed on one side of the first sliding car (23), and the output end of the first motor (21) passes through The rubber wheel (24) is connected to the guide rail (1), and the second motor (22) is fixedly connected to the lower end of the first sliding trolley (23), and the second motor (22) passes through the cable (7) and the mounting bracket (4 )connect. 3. The lifting mechanism of the spreader in the assembly fixture according to claim 2, characterized in that, the bracket assembly (3) comprises two square frames (31), and the four corners corresponding to the two square frames (31) They are fixedly connected by four connecting columns (32), the upper frame (31) is fixedly connected with the two sliding mechanisms (6), and the lower frame (31) is hinged with the two connecting components (5). Two motors (22) are positioned at the center of the box (31) on the top. 4. The hoisting device lifting mechanism in the assembly fixture according to claim 3, characterized in that, each of the connecting assemblies (5) comprises several connecting plate groups (51), and several connecting plate groups (51) are vertically Hinged to the array type, the upper end that is positioned at the uppermost connecting plate group (51) is hinged on the bottom end side that is positioned at the lower square frame (31), and the lower end that is positioned at the lowermost connecting plate group (51) is hinged on the mounting bracket (4 ) side of the upper end. 5. The lifter lifting mechanism in the assembly fixture according to claim 4, characterized in that, each of the connecting plate groups (51) comprises a first connecting plate (511) and a second connecting plate (512), the The middle part of the first connecting plate (511) is provided with a sliding groove (5110), and the middle part of the second connecting plate (512) is hinged in the sliding groove (5110). 6. The lifting mechanism of the spreader in the assembly fixture according to claim 5, characterized in that, each of the sliding mechanisms (6) includes a second sliding trolley (61), and the second sliding trolley (61) slides Installed on the guide rail (1), the lower end of the second sliding trolley (61) is fixedly connected to the upper frame (31). 7. The lifting mechanism of the spreader in the assembly fixture according to claim 6, characterized in that, the mounting bracket (4) comprises a mounting frame (41) and a triangle support frame (42), and two connecting assemblies (5) The lower ends of the lower ends are respectively hinged on both sides of the upper end of the mounting frame (41), the tripod support frame (42) includes two tripods (421), the bottom edges of the two tripods (421) are set at 90 degrees, and The middle parts of the bottom edges of the two tripods (421) are welded and connected, and the top corners of the two tripods (421) are welded and connected, and the tripods (42) are fixed by five connectors (8) and mounting brackets (41) To connect, the lower end of the cable (7) passes through the top and bottom middle of the tripod (42), and the lower end of the cable (7) is fixedly connected to the mounting frame (41).

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