Pneumatic double gripper for robot

Abstract

The utility model relates to the technical field of automobile part processing, in particular to a pneumatic double gripper for a robot, which comprises a gripper mounting plate and two groups of pneumatic grippers mounted on the gripper mounting plate, each pneumatic gripper comprises a gripper base, a material returning component mounted on the gripper base and a stroke adjusting module mounted on the periphery of the material returning component, an L-shaped stretching claw is arranged on the stroke adjusting module, and a clamping block is arranged on the L-shaped stretching claw; the material returning assembly comprises a material ejecting plate and a telescopic assembly connected with the material ejecting plate. Two workpieces can be grabbed at the same time, the clamping jaws are compatible with front and back face clamping of the workpieces, the clamping positions can be adjusted in a multi-stage mode to be compatible with the workpieces of different outer diameter specifications, the workpieces are attached to the end face of a machine tool spindle when the flexible pressing plate is arranged for feeding, and unmanned feeding and discharging are completely achieved; the problems of danger, overhigh labor intensity and low efficiency caused by manual feeding and discharging are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a pneumatic two-hand claw for a robot. Background Art

[0002] In the existing machine tool production process, the robot must unload the processed workpiece from the machine tool before taking out the workpiece to be processed and loading it onto the machine tool for further processing. In the machining process, when the automatic loading and unloading shaft gripper grabs the workpiece and feeds it to the machine tool, it uses a double top form of a driving top and a tailstock top to clamp the workpiece. When the driving top presses against one side of the workpiece and the tailstock top extends to press against the other side of the workpiece, due to the flexibility of the tops on both sides, uncertain axial displacement will occur at this time. This displacement of the material will cause impact and torque to the loading and unloading gripper mechanism, causing damage to the gripper ring and even damage to the feed mechanism of the automatic loading and unloading system. Some workpieces still need to be manually taken to the machine tool to complete loading and unloading. The workpiece needs to be loaded in the forward and reverse directions. The labor intensity of the workers is too high, and fatigue can easily lead to reduced efficiency and increased danger. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies, the purpose of the utility model is to provide a robot gripper to realize bidirectional clamping of workpieces, and can clamp two workpieces in the forward and reverse directions at the same time. The clamping point can be adjusted in multiple levels to be compatible with workpieces with different outer diameters. A flexible pressure plate is configured to allow the workpiece to fit the end face of the machine tool spindle when loading materials, thus completely realizing unmanned loading and unloading, and solving the problems of danger, excessive labor intensity and low efficiency brought about by manual loading and unloading.

[0004] The technical solution of the utility model is a pneumatic two-handed gripper for a robot, comprising a gripper mounting plate, two groups of pneumatic grippers mounted on the gripper mounting plate, the pneumatic grippers comprising a gripper base, a material stripping assembly mounted on the gripper base, and a stroke adjustment module mounted on the periphery of the material stripping assembly, the stroke adjustment module being provided with an L-shaped extending claw, and the L-shaped extending claw being provided with a clamping block; the material stripping assembly comprising a material ejecting plate, and a telescopic assembly connected to the material ejecting plate.

[0005] Furthermore, the gripper mounting plate is connected to a flange transition plate and a wire pipe seat.

[0006] Furthermore, the gripper base is provided with a first pneumatic nozzle for controlling the adjustment module and a second pneumatic nozzle for controlling the telescopic assembly; the first pneumatic nozzle and the second pneumatic nozzle are also provided with throttle valves.

[0007] Furthermore, the pneumatic grippers are provided in three groups, and the telescopic components are provided in three groups between the pneumatic grippers.

[0008] Furthermore, the stroke adjustment module includes a slider sliding seat and a stroke slider installed on the slider sliding seat, and the L-shaped claw is installed on the stroke slider.

[0009] Furthermore, a wave clamping groove is provided on the slider sliding seat, and an adjusting rod connected to the travel slider is installed on the wave clamping groove.

[0010] The beneficial effect of the utility model lies in that the robot uses a three-jaw pneumatic two-handed gripper, including a gripper mounting plate, two groups of pneumatic grippers mounted on the gripper mounting plate, the pneumatic grippers are composed of a gripper base, a material return assembly mounted on the gripper base, a stroke adjustment module installed on the periphery of the material return assembly, etc., an L-shaped extension claw is provided on the stroke adjustment module, and a clamping block is provided on the L-shaped extension claw; the material return assembly includes a ejection plate, and a telescopic assembly connected to the ejection plate. The gripper can realize bidirectional clamping of workpieces, and can clamp two workpieces in the forward and reverse directions at the same time. The clamping position can be adjusted in multiple levels to be compatible with workpieces of different outer diameters. When a flexible pressing plate is configured to load the material, the workpiece is allowed to fit the end face of the machine tool spindle, thereby completely realizing unmanned loading and unloading, and solving the problems of danger, excessive labor intensity and low efficiency caused by manual loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] For ease of explanation, the present invention is described in detail with reference to the following preferred embodiments and accompanying drawings.

[0012] Figure 1 This is a schematic diagram of the front view of the three-dimensional structure of a pneumatic two-handed gripper for a robot of the utility model;

[0013] Figure 2 The utility model is a schematic side view of a three-dimensional structure of a pneumatic two-handed claw for a robot.

[0014] Figure numerals: gripper mounting plate 1, pneumatic gripper 2, gripper base 3, material withdrawal assembly 4, stroke adjustment module 5, L-shaped extension claw 51, clamping block 52, ejection plate 41, telescopic assembly 42, flange transition plate 6, wire pipe seat 7, throttle valve 8, first pneumatic nozzle 31, second pneumatic nozzle 32, slider sliding seat 53, stroke slider 54, wave slot 531, adjustment rod 532. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0017] The following is a further description of a pneumatic two-handed gripper for a robot according to the present invention with reference to the accompanying drawings:

[0018] like Figure 1-2 A pneumatic two-handed gripper for a robot is shown, comprising a gripper mounting plate 1, and a pneumatic gripper 2 mounted on the gripper mounting plate 1, a flange transition plate 6 and a wire pipe seat 7 are connected to the gripper mounting plate 1, wherein the flange transition plate is connected to the two-handed gripper mounting plate, and the other end can be connected to the robot, and the gripper mounting plate is connected to the flange transition plate to form the main frame of the entire set of grippers; a throttle valve 8 is also provided on the first pneumatic nozzle and the second pneumatic nozzle, and the throttle valve is a cylinder configuration component for adjusting the cylinder movement speed, and the wire pipe seat is used to fix the wire pipe (not marked).

[0019] In this embodiment, the pneumatic gripper 2 includes a gripper base 3, a material stripping assembly 4 installed on the gripper base 3, and a stroke adjustment module 5 installed on the periphery of the material stripping assembly 4. The stroke adjustment module 5 is provided with an L-shaped extension claw 51, and the L-shaped extension claw 51 is provided with a clamping block 52. The L-shaped extension claw 51 is connected to the pneumatic gripper 2. The clamping block is relatively soft in texture and contacts the surface of the workpiece when clamping. The material is softer than the surface of the workpiece to prevent the workpiece from being clamped. The pneumatic gripper 2 is provided with three groups in total, and the telescopic assembly 42 is located between the pneumatic grippers 2. There are three groups in total; the material stripping assembly is installed on the gripper base and is equipped with a flexible ejector plate 41 to press the workpiece to achieve the fitting and loading of the workpiece on the end face of the machine tool chuck.

[0020] In this embodiment, the material return assembly 4 includes a material ejection plate 41 and a telescopic assembly 42 connected to the material ejection plate 41; a first pneumatic nozzle 31 for controlling the adjustment module and a second pneumatic nozzle 32 for controlling the telescopic assembly are provided on the gripper base 3, the first pneumatic nozzle and the second pneumatic nozzle are connected to an external air source, the first pneumatic nozzle gripper provides clamping driving force, and the second pneumatic nozzle provides driving force for the telescopic assembly.

[0021] In this embodiment, the stroke adjustment module 5 includes a slider sliding seat 53 and a stroke slider 54 installed on the slider sliding seat 53, the L-shaped extension claw 51 is installed on the stroke slider 54, and a wave card groove 531 is provided on the slider sliding seat 53. An adjustment rod 532 connected to the stroke slider 53 is installed on the wave card groove 531, and the adjustment rod is installed in the wave card groove. The position of the stroke slider on the slider sliding seat can be adjusted through the wave card groove to suit different workpiece specifications. The stroke adjustment module is made of steel and can provide multi-level adjustment of the clamping block to facilitate compatibility with a variety of workpieces.

[0022] Working principle:

[0023] The claws clamp the workpiece: First, the second pneumatic nozzle is ventilated, and the telescopic component on the material-removing component lifts up the ejection plate to press the workpiece. Then, the first pneumatic nozzle is ventilated to drive the L-shaped claws to move, and then drive the clamping block to contract and clamp the workpiece.

[0024] Loosen the workpiece: the first pneumatic nozzle removes the air pressure and the L-shaped claw opens. At the moment of loosening the workpiece, the second pneumatic nozzle ventilates again, and the ejector plate on the material removal assembly presses the workpiece to the rear end face of the machine tool chuck to complete the loosening of the workpiece.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic two-hand gripper for a robot, comprising a gripper mounting plate, and two sets of pneumatic grippers mounted on the gripper mounting plate, characterized in that: The pneumatic gripper includes a gripper base, a material stripping assembly installed on the gripper base, and a stroke adjustment module installed on the periphery of the material stripping assembly. The stroke adjustment module is provided with an L-shaped extending claw, and the L-shaped extending claw is provided with a clamping block; the material stripping assembly includes a material ejection plate and a telescopic assembly connected to the material ejection plate.

2. A pneumatic two-hand gripper for a robot according to claim 1, characterized in that: The gripper mounting plate is connected with a flange transition plate and a wire pipe seat.

3. The pneumatic two-hand gripper for a robot according to claim 1, characterized in that: The gripper base is provided with a first pneumatic nozzle for controlling the adjustment module and a second pneumatic nozzle for controlling the telescopic assembly; the first pneumatic nozzle and the second pneumatic nozzle are also provided with throttle valves.

4. The pneumatic two-hand gripper for a robot according to claim 1, characterized in that: The pneumatic grippers are provided in three groups, and the telescopic components are provided in three groups between the pneumatic grippers.

5. The pneumatic two-hand gripper for a robot according to claim 1, characterized in that: The stroke adjustment module comprises a slider sliding seat and a stroke slider installed on the slider sliding seat, and the L-shaped claw is installed on the stroke slider.

6. A pneumatic two-hand gripper for a robot according to claim 5, characterized in that: The slider sliding seat is provided with a wave clamping groove, and the wave clamping groove is installed with an adjusting rod connected with the travel slider.

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