Novel mechanical power-assisted hand

Abstract

The utility model relates to the field of automobile welding mechanical power-assisted hands, in particular to a novel mechanical power-assisted hand which comprises a sliding frame and a rail pulley, the rail pulley is connected to the sliding frame in a sliding mode, a mechanical power-assisted device is arranged below the sliding trolley, a main pressure air cylinder is installed on the mechanical power-assisted device, and the main pressure air cylinder is connected with the rail pulley in a sliding mode. The main pressure air cylinder drives the mechanical power assisting device to move, a rapid switching disc is arranged below the mechanical power assisting device, the side wall carrying gripper is connected with the mechanical power assisting device through the rapid switching disc, and the mechanical power assisting device is connected with the mechanical power assisting device through the rapid switching disc. The problems that a single mechanical power-assisted hand can only complete an object with a single weight, when the object is too light or too heavy, the pressure of the mechanical power-assisted hand needs to be adjusted again for matching, the process is tedious, consumed time is long, and the rhythm requirement of body-in-white production cannot be met are solved.

Description

Technical Field

[0001] The utility model relates to the field of automobile welding mechanical power assisting arms, in particular to a novel mechanical power assisting arm. Background Art

[0002] At present, mechanical power-assist technology is widely used in the welding industry. It can help humans complete complex, tedious, and dangerous operating tasks. Compared with industrial robot handling, it has a lower cost, is safer, and is more convenient to use. The most typical application in the welding industry is the side panel pre-assembly station of the main welding line. After the side panel welding is completed, the left and right side panels of the body in white are transferred to the main welding line and assembled and welded with the three major parts of the floor. A single person can easily complete the assembly task using a mechanical power-assist, but a single mechanical power-assist can only complete objects of a single weight. If the object is too light or too heavy, the mechanical power-assist needs to readjust the pressure to match it. The process is cumbersome and time-consuming, and cannot meet the beat requirements of body in white production.

[0003] A new type of mechanical power assist arm is proposed to assist the mechanical power assist arm in quickly switching and quickly matching the side grippers of various models to meet the rhythm requirements of body-in-white production. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of mechanical power-assisting hand, which assists the mechanical power-assisting hand to quickly switch and quickly match the side grippers of various models, and solves the problem that a single mechanical power-assisting hand can only complete objects of a single weight. If the object is too light or too heavy, the mechanical power-assisting hand needs to readjust the pressure to match, and the process is cumbersome and time-consuming, and cannot meet the rhythm requirements of body-in-white production. The technical solution adopted by the utility model is as follows:

[0005] A novel mechanical power assist arm comprises a sliding frame and a rail pulley, wherein the rail pulley is slidably connected to the sliding frame, a mechanical power assist device is arranged below the rail pulley, a main pressure cylinder is installed on the mechanical power assist device, and the main pressure cylinder drives the mechanical power assist device to move, and also comprises a side panel transport gripper, a quick switching disk is arranged below the mechanical power assist device, and the side panel transport gripper is connected to the mechanical power assist device via the quick switching disk.

[0006] It is further defined that a sliding track is provided on the lower end surface of the sliding frame, the rail pulley includes a sliding frame, the sliding frame includes a front bar and a rear bar, pulleys are provided on the front bar and the rear bar, the rail pulley is slidably connected in the sliding track, and a mounting bracket is provided between the front bar and the rear bar.

[0007] It is further defined that the mechanical power assist device includes an upper mounting part and a lower mounting part, the upper mounting part is mounted on the mounting bracket, a proportional valve and a cylinder bracket are mounted on the upper mounting part, the lower mounting part includes a front mounting arm and a rear mounting arm, a rotating shaft is mounted between the front mounting arm and the rear mounting arm, a first rotating arm is mounted on the rotating shaft, a second rotating arm is arranged below the first rotating arm, the first rotating arm and the second rotating arm are fixedly connected, the main pressure cylinder is mounted on the cylinder bracket, the output shaft of the main pressure cylinder is connected to the second rotating arm, the first rotating arm and the second rotating arm are both connected to the transition device, and also includes a rotating hand, one end of the rotating hand is rotatably arranged on the transition device, and the other end is provided with a quick switching disk.

[0008] It is further defined that it also includes a control handle and an electric control button, and the control handle and the electric control button are connected to the mechanical power assist device through a connecting piece.

[0009] It is further defined that an auxiliary mounting frame is provided on the main pressure cylinder, an auxiliary cylinder is installed on the auxiliary mounting frame, an auxiliary support ear is provided on the outer wall of the second rotating arm, and the output shaft of the auxiliary cylinder is connected to the auxiliary support ear.

[0010] It is further defined that a control box is installed on the front mounting arm of the lower mounting portion, and the control box controls the proportional valve.

[0011] The beneficial effects of the utility model compared with the current technology are:

[0012] 1. It can quickly switch between different side panel handling grippers, solving the problem that a single mechanical power arm can only handle objects of a single weight. If the object is too light or too heavy, the mechanical power arm needs to readjust the pressure to match.

[0013] 2. A control box and an auxiliary cylinder are provided. The control box can control the proportional valve, release the corresponding air pressure to the main pressure cylinder, and complete the corresponding up and down movements of the mechanical power assist hand. The auxiliary cylinder is used to assist the rotation of the mechanical power assist device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a main schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the connection relationship between the sliding frame and the mechanical device of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection relationship between the mechanical power assist device and the quick switching disk of the utility model;

[0017] Figure 4 It is a three-dimensional schematic diagram of the mechanical power assist device of the utility model;

[0018] Figure 5 It is a three-dimensional schematic diagram of the side panel carrying gripper of the utility model placed on a storage rack.

[0019] The markings in the figure correspond respectively to: 1-sliding frame, 2-rail pulley, 3-upper mounting part, 31-proportional valve, 32-cylinder bracket, 4-lower mounting part, 41-front mounting arm, 42-rear mounting arm, 43-rotating shaft, 44-first rotating arm, 45-second rotating arm, 5-main pressure cylinder, 51-auxiliary mounting frame, 52-auxiliary cylinder, 53-auxiliary support ear, 6-transition device, 7-rotating hand, 8-quick switching disk, 9-control handle, 10-electric control button, 11-control box, 12-side wall handling gripper, 13-storage rack. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the utility model, the technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments. Example

[0021] like Figure 1-Figure 5As shown, a new type of mechanical power assisting hand comprises a sliding frame 1 and a rail trolley 2, wherein the lower end surface of the sliding frame 1 is provided with a sliding track, the rail trolley 2 comprises a sliding frame, the sliding frame comprises a front bar and a rear bar, pulleys are provided on the front bar and the rear bar, the rail trolley 2 is slidably connected in the sliding track, a mounting bracket is provided between the front bar and the rear bar, a mechanical power assisting device is provided below the rail trolley 2, the mechanical power assisting device comprises an upper mounting part 3 and a lower mounting part 4, the upper mounting part 3 is mounted on the mounting bracket, a proportional valve 31 and a cylinder bracket 32 ​​are installed on the upper mounting part 3, and a lower mounting part 4 comprises a plurality of cylinder brackets 32 and a plurality of cylinder brackets 33. The lower mounting portion 4 comprises a front mounting arm 41 and a rear mounting arm 42. A control box 11 is mounted on the front mounting arm 41 of the lower mounting portion 4. The control box 11 controls the proportional valve 31. A rotating shaft 43 is mounted between the front mounting arm 41 and the rear mounting arm 42. A first rotating arm 44 is mounted on the rotating shaft 43. A second rotating arm 45 is arranged below the first rotating arm 44. The first rotating arm 44 and the second rotating arm 45 are fixedly connected. The main pressure cylinder 5 is mounted on the cylinder bracket 32. The output shaft of the main pressure cylinder 5 is connected to the second rotating arm 45. When the main pressure cylinder 5 is working, the output shaft extends to drive the second rotating arm 45. The movable arm 45 rotates upward. Since the first rotating arm 44 and the second rotating arm 45 are connected, the first rotating arm 44 can be driven to rotate upward at the same time. An auxiliary mounting frame 51 is provided on the main pressure cylinder 5. An auxiliary cylinder 52 is installed on the auxiliary mounting frame 51. An auxiliary lug 53 is provided on the outer wall of the second rotating arm 45. The output shaft of the auxiliary cylinder 52 is connected to the auxiliary lug 53. The auxiliary cylinder 52 is used to assist the first rotating arm 44 and the second rotating arm 45 to rotate. The first rotating arm 44 and the second rotating arm 45 are both connected to the transition device 6. It also includes a rotating hand 7, a control handle 9 and an electric control button 10. One end of the rotating hand 7 is rotatably arranged on the transition device 6, and the other end is provided with a quick switching disk 8. The quick switching disk 8 and the transition device 6 are prior art and will not be described in detail again. The control handle 9 and the electric control button 10 are connected to the mechanical power assist device through a connector, and also include a side panel handling gripper 12 for adapting to different signals of various vehicle models. The side panel handling gripper 12 is provided with a quick-connect flange. The side panel handling gripper 12 is connected to the quick switching disk 8 through the quick-connect flange to adapt to different white bodies.

[0022] When in use, different white bodies are adapted to different side panel handling grippers 12. The side panel handling grippers 12 are placed on the storage racks 13. When needed, they are connected through quick-connect flanges and quick-switching disks 8. The rail trolley 2 is moved on the slide frame 1 to adjust the position of each storage rack 13. A suitable side panel handling gripper 12 is selected. The worker generates air pressure by operating the control handle 9 and feeds it back to the proportional valve 31. The proportional valve 31 is controlled by the control box 11 to release the corresponding air pressure to the main pressure cylinder 5. The main pressure cylinder 5 is actuated to complete the up and down movements of the first rotating arm 44 and the second rotating arm 45.

[0023] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "first", "second", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The above is a detailed introduction to a new type of mechanical power-assisting arm provided by the utility model. The description of the specific embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the utility model, several improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.

Claims

1. A new type of mechanical power-assisting hand, characterized in that: The invention comprises a sliding frame (1) and a rail trolley (2), wherein the rail trolley (2) is slidably connected to the sliding frame (1), a mechanical assisting device is arranged below the rail trolley (2), a main pressure cylinder (5) is installed on the mechanical assisting device, and the main pressure cylinder (5) drives the mechanical assisting device to move, and also comprises a side panel transport gripper (12), a quick switching disk (8) is arranged below the mechanical assisting device, and the side panel transport gripper (12) is connected to the mechanical assisting device via the quick switching disk (8).

2. A novel mechanical power-assisting hand according to claim 1, characterized in that: The lower end surface of the sliding frame (1) is provided with a sliding track, the rail pulley (2) includes a sliding frame, the sliding frame includes a front bar and a rear bar, pulleys are provided on the front bar and the rear bar, the rail pulley (2) is slidably connected in the sliding track, and a mounting bracket is provided between the front bar and the rear bar.

3. A novel mechanical power-assisting hand according to claim 2, characterized in that: The mechanical assist device comprises an upper mounting portion (3) and a lower mounting portion (4), wherein the upper mounting portion (3) is mounted on the mounting bracket, a proportional valve (31) and a cylinder bracket (32) are mounted on the upper mounting portion (3), and the lower mounting portion (4) comprises a front mounting arm (41) and a rear mounting arm (42), a rotating shaft (43) is mounted between the front mounting arm (41) and the rear mounting arm (42), a first rotating arm (44) is mounted on the rotating shaft (43), and a The second rotating arm (45), the first rotating arm (44) and the second rotating arm (45) are fixedly connected, the main pressure cylinder (5) is installed on the cylinder bracket (32), the output shaft of the main pressure cylinder (5) is connected to the second rotating arm (45), the first rotating arm (44) and the second rotating arm (45) are both connected to the transition device (6), and also include a rotating hand (7), one end of the rotating hand (7) is rotatably set on the transition device (6), and the other end is provided with a quick switching disk (8).

4. The novel mechanical power-assisting hand according to claim 1 is characterized in that: It also includes a control handle (9) and an electric control button (10), wherein the control handle (9) and the electric control button (10) are connected to the mechanical assisting device via a connecting piece.

5. The novel mechanical power-assisting hand according to claim 3 is characterized in that: An auxiliary mounting frame (51) is provided on the main pressure cylinder (5), an auxiliary cylinder (52) is mounted on the auxiliary mounting frame (51), an auxiliary support ear (53) is provided on the outer wall of the second rotating arm (45), and an output shaft of the auxiliary cylinder (52) is connected to the auxiliary support ear (53).

6. The novel mechanical power-assisting hand according to claim 3 is characterized in that: A control box (11) is mounted on the front mounting arm (41) of the lower mounting portion (4), and the control box (11) controls the proportional valve (31).

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