CN211517514U - Automatic loading and unloading robot arm for processing automobile parts - Google Patents

Abstract

The utility model relates to the technical field of automobile processing equipment, in particular to an automatic loading and unloading robot arm for the processing of automobile parts, comprising a connecting plate, a connecting rod, a mounting plate, an extension, a first hinge rod, a second hinge rod, a floating plate, A clamping plate and a driving device, the driving device includes a servo motor, a ball screw, a screw nut, and a hinge plate. The beneficial effects of the utility model are as follows: through the rotation of the servo motor, the driving screw nut moves vertically on the ball screw, so that the hinge plate drives the second hinge rod to rotate along the pivot joint with the extension part, so that the two floating plates can be opposed to each other. Compared with the method of using clamping jaws in the prior art, the clamping range of the clamping plate in the present application is larger, and it can at least to a certain extent adapt to different sizes of auto parts. Clamping improves the practicability of the application.

Description

Automatic loading and unloading robot arm for auto parts processing

technical field

The utility model relates to the technical field of equipment for automobile processing, in particular to an automatic loading and unloading robot arm for processing automobile parts.

Background technique

When some small and medium-sized auto parts processing enterprises process auto parts, they need to manually load and unload auto parts. Manual loading and unloading increases the labor intensity of workers and lowers work efficiency. Therefore, in the prior art, there are devices that replace manual loading and unloading to a certain extent, such as the automatic loading and unloading manipulator device disclosed in Chinese Patent No. CN201420559075.9, which relates to a manipulator. The automatic loading and unloading manipulator device spans across the Above the two machine tools, the bottoms of the four uprights are provided with bases, and four universal wheels are arranged under each base. There are four bolt holes evenly distributed on the base, and there are bolts on the screw holes. The lower part of the lifting cylinder is connected to the manipulator. The manipulator is connected with the piston rod of the lifting cylinder through the universal floating joint. The handle gripping switch is set on the operating handle. , the lower part of the operating handle is connected to the clamping cylinder, the piston rod of the clamping cylinder is connected to the clamping jaw, the inner side of the clamping jaw is provided with a wear-resistant alloy layer, and the thickness of the alloy layer is 1-2mm. The device adopts computer closed-loop control technology to improve the flexibility of the existing manipulator and improve the accuracy of feeding.

In the above solution, the workpiece (automobile parts) is clamped by the clamping jaws, and the extension range of the clamping jaws is small, so it cannot adapt to the clamping of auto parts of different sizes in a large range.

Utility model content

The purpose of the utility model is to overcome the problems existing in the prior art, and to provide an automatic loading and unloading robot arm for the processing of auto parts, which can at least to a certain extent adapt to the clamping of auto parts of different sizes.

In order to realize the above-mentioned technical purpose and achieve the above-mentioned technical effect, the utility model is realized through the following technical solutions:

An automatic loading and unloading robot arm for auto parts processing includes a connecting plate, two connecting rods are vertically arranged on the connecting plate, and a mounting plate is horizontally connected to the bottom ends of the two connecting rods. The two opposite ends are provided with extension parts extending horizontally outwards. One end of the two extension parts away from the mounting plate is pivotally connected with a first hinge rod, and the other end is pivotally connected with a second hinge rod. The lengths of the second hinge rods are the same, and the bottom ends are jointly pivoted with a floating plate. The opposite sides of the two floating plates are provided with clamping plates. The outer contour of the clamping plates is generally L-shaped, and its vertical section is connected to the floating plate The horizontal section extends to the opposite sides of the two floating plates. The floating plates are driven to move relative to each other by a driving device. The driving device includes a servo motor, a ball screw, a screw nut, and a hinge plate. The servo The motor is mounted on the mounting plate, the ball screw is vertically rotatably connected to the mounting plate and is drivingly connected with the servo motor, the screw nut is threadedly sleeved on the ball screw, and the hinge rods are provided with a plurality of them. One end is pivotally connected to the screw nut, and the other end is pivotally connected to the second hinge rod.

Further, an opposite end of the floating plate is provided with a vertical plate extending downward, and the clamping plate is floatingly connected to the vertical plate by installing a buffer device.

Further, the buffer device includes a limit rod, a limit block, and an elastic member, the limit rod is horizontally slidably fitted to penetrate the vertical plate and is fixedly connected with the vertical section of the clamping plate, and the limit block is set at the limit. The position rod is at one end away from the clamping plate, and the elastic piece is arranged between the clamping plate and the vertical plate, which abuts the clamping plate and drives the clamping plate to move away from the vertical plate.

Further, the elastic member is a spring, and the spring is provided with a plurality of springs, and the two ends of the spring in the direction of the elastic force are respectively fixed to the clamping plate and the vertical plate.

Further, a plurality of sliding shafts are horizontally arranged on the vertical section of the clamping plate, the sliding shafts are slidably fitted to penetrate the vertical plate, and the springs are sleeved on the sliding shafts.

The beneficial effects of the utility model are as follows: through the rotation of the servo motor, the driving screw nut moves vertically on the ball screw, so that the hinge plate drives the second hinge rod to rotate along the pivot joint with the extension part, so that the two floating plates can be opposed to each other. Move, and then make the clamping plate to clamp the auto parts. Compared with the method of using clamping jaws in the prior art, the clamping range of the clamping plate in the present application is larger, and can at least be adapted to different sizes of auto parts. Clamping improves the practicability of the application. In addition, a buffer device is provided, and the buffer device is used to buffer the clamping plate, so that when the clamping plate clamps the auto parts, the clamping plate will not be clamped at the moment of clamping. Causes damage to the surface of the auto parts.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

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

Fig. 2 is the bottom view angle schematic diagram of the three-dimensional structure in Fig. 1;

The reference numerals are explained as follows:

1- connecting plate, 2- connecting rod, 3- servo motor, 4- mounting plate, 5- extension, 6- screw nut, 7- ball screw, 8- hinge plate, 9- first hinge rod, 10 -Second hinge rod, 11-Vertical plate, 12-Clamping plate, 13-Limiting rod, 14-Spring, 15-Sliding shaft, 16-Limiting block, 17-Floating plate.

Detailed ways

In order to make the technical means, creative features, goals and effects realized by the present utility model easy to understand, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-2, an automatic loading and unloading robot arm for processing auto parts includes a connecting plate 1 connected to an external robot arm. The connecting plate 1 is vertically provided with two connecting rods 2, two The bottom ends of the connecting rods 2 are jointly connected with a mounting plate 4 horizontally. The opposite ends of the mounting plate 4 are provided with extending portions 5 extending horizontally outwards. The other end of the first hinge rod 9 is pivotally connected with a second hinge rod 10. The length of the first hinge rod 9 and the second hinge rod 10 are the same, and the bottom ends of the first hinge rod 9 are pivotally connected with a floating plate 17. The two floating plates 17 are provided with clamping plates 12 on opposite sides. The outer contour of the clamping plates 12 is generally L-shaped. The vertical section of the clamping plate 12 is connected to the floating plate 17. One end on the opposite side of the floating plate 17 is provided with a vertical plate 11 extending downward. The clamping plate 12 is floatingly connected to the vertical plate 11 by installing a buffer device. The buffer device includes a limit rod 13, a limit block 16, The spring 14, the limit rod 13 is horizontally slidably fitted to penetrate the vertical plate 11 and is fixed to the vertical section of the clamping plate 12, and the limit block 16 is provided on the end of the limit rod 13 away from the clamping plate 12. The springs 14 are arranged between the clamping plate 12 and the vertical plate 11 . The springs 14 are provided with a plurality of springs 14 and two ends of the springs in the direction of the spring force are respectively fixed to the clamping plate 12 and the vertical plate 11 , and abut the clamping plate. 12 and drive the clamping plate 12 to move away from the vertical plate 11. Further, a plurality of sliding shafts 15 are horizontally arranged on the vertical section of the clamping plate 12, and the sliding shafts 15 slide through the vertical plate 11. The spring 14 is sleeved on the sliding shaft 15, and through the limit of the sliding shaft 15, the spring 14 can better buffer the clamping plate 12, and the floating plate 17 is driven by the driving device to move relatively. The device includes a servo motor 3, a ball screw 7, a screw nut 6, and a hinge plate 8. The servo motor 3 is mounted on the mounting plate 4, and is powered by an external power supply, and the ball screw 7 is vertically rotatably connected to the The mounting plate 4 is drivingly connected with the servo motor 3, the screw nut 6 is threadedly sleeved on the ball screw 7, and the hinge plate 8 is provided with a plurality of, one end of which is pivotally connected with the screw nut 6, and its The other end is pivotally connected with the second hinge rod 10 .

When the utility model is in use: the driving mechanism on the external robot drives the connecting plate to move down, and the servo motor rotates at the same time, which drives the ball screw to rotate, thereby making the screw nut move vertically on the ball screw, and drives the hinge plate to drive the second The hinge rod rotates along the pivot point with the extension part, so that the two floating plates move relatively, so that the horizontal section of the clamping plate scoops up the auto parts from the bottom of the auto parts, and the upper vertical section is pressed against the outer wall of the auto parts, Then, the auto parts are clamped by the clamping plate. During the clamping process, the clamping plate can buffer the auto parts through the expansion and contraction of the spring, and then the driving mechanism drives the connecting plate to move to move the auto parts to a suitable position. , and then complete the transfer of auto parts.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. An automatic loading and unloading robot arm for processing auto parts, characterized in that it comprises a connecting plate (1), and two connecting rods (2) are vertically provided on the connecting plate (1), and the two A mounting plate (4) is horizontally connected to the bottom end of the connecting rod (2), and two opposite ends of the mounting plate (4) are provided with extending portions (5) extending horizontally outward, and the two extending portions (5) are far away from each other. One end of the mounting plate (4) is pivotally connected with a first hinge rod (9), and the other end thereof is pivotally connected with a second hinge rod (10). The length of the first hinge rod (9) and the second hinge rod (10) is Floating plates (17) are pivotally connected to the bottom ends of the two floating plates (17) in a consistent manner, and clamping plates (12) are respectively provided on opposite sides of the two floating plates (17), and the outer contour of the clamping plates (12) is generally L-shaped, Its vertical section is connected with a floating plate (17), and its horizontal section extends to the opposite sides of the two floating plates (17), and the floating plates (17) are driven to move relative to each other by a driving device, and the driving device includes a servo Motor (3), ball screw (7), screw nut (6), hinge plate (8), the servo motor (3) is mounted on the mounting plate (4), the ball screw (7) is vertical The screw nut (6) is threadedly sleeved on the ball screw (7), and the hinge plate (8) is provided with a plurality of , one end of which is pivotally connected to the screw nut (6), and the other end of which is pivotally connected to the second hinge rod (10). 2 . The automatic loading and unloading robot arm for auto parts processing according to claim 1 , wherein the opposite end of the floating plate ( 17 ) is provided with a vertical plate ( 11 ) extending downward, and the clamping The plate (12) is floatingly connected to the vertical plate (11) by installing a buffer device. 3. The automatic loading and unloading robot arm for auto parts processing according to claim 2, wherein the buffer device comprises a limit rod (13), a limit block (16), and an elastic member, and the limit The rod (13) is horizontally slidably fitted to penetrate the vertical plate (11) and is fixedly connected with the vertical section of the clamping plate (12), and the limiting block (16) is arranged on the limiting rod (13) away from the clamping plate (12). ) at one end, the elastic member is arranged between the clamping plate (12) and the vertical plate (11), and pushes against the clamping plate (12) and drives the clamping plate (12) to move away from the vertical plate (11) direction to move. 4. The automatic loading and unloading robot arm for processing auto parts according to claim 3, wherein the elastic member is a spring (14), and the spring (14) is provided with a plurality of two ends in the elastic force direction. They are respectively fixed with the clamping plate (12) and the vertical plate (11). 5 . The automatic loading and unloading robot arm for processing auto parts according to claim 4 , wherein a plurality of sliding shafts ( 15 ) are horizontally arranged on the vertical section of the clamping plate ( 12 ). The shaft (15) is slidably fitted through the vertical plate (11), and the spring (14) is sleeved on the sliding shaft (15).

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