An adjustable parallel clamping robot gripper assembly

Abstract

The utility model discloses a parallel clamping robot clamping jaw assembly of adjustable, including mounting seat, guide rod, first clamping jaw part, second clamping jaw part and pneumatic drive mechanism. The parallel guide rod is embedded in the both sides of mounting seat, and two clamping jaw parts slide along it, and the pneumatic drive mechanism is driven to act through the first and second connecting air pipe connection external gas source clamping jaw. There is corresponding gas passage in the mounting seat, and the gas hole is communicated with the upper sliding groove, and the sealing sliding part below the clamping jaw part is adapted to the sliding groove, and the mounting base is reinforced connection, and the opposite side of the clamping jaw is provided with the clamping buffer pad. The device realizes the adjustable clamping force through pneumatic regulation, and the built-in gas path optimization structure improves the clamping stability and workpiece protection effect, and is suitable for workpiece grabbing and carrying in the automatic production.

Description

Technical Field

[0001] This utility model provides a gripper assembly, and particularly relates to an adjustable parallel clamping robot gripper assembly. Background Technology

[0002] In the field of industrial automation, robotic grippers are key components for operations such as workpiece gripping and handling. They are used to precisely clamp workpieces of different shapes and sizes in automated production processes, ensuring efficient and accurate production operations.

[0003] Existing robot grippers are mostly simple mechanical transmission or external pneumatic pipeline clamping mechanisms. The gripper components are usually directly connected to the drive components, lacking a stable guiding structure. This makes them prone to wobbling and inaccurate centering during clamping, resulting in poor clamping stability. Their clamping force is mostly fixed, making it difficult to flexibly adjust according to the clamping requirements of different workpieces, thus limiting their applicability. Moreover, the pneumatic pipelines are mostly exposed, which is not only susceptible to damage from external environmental interference, but also makes the overall structure bulky and messy, affecting use and maintenance. At the same time, the gripper is in direct contact with the workpiece, lacking an effective buffer protection structure, which can easily damage the workpiece during clamping and reduce the workpiece yield. Utility Model Content

[0004] To address the aforementioned issues, this application provides an adjustable parallel clamping robot gripper assembly, which solves the problems of unstable gripping, unadjustable clamping force, chaotic air circuits, easy damage to workpieces, and bulky structure associated with traditional grippers.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an adjustable parallel clamping robot gripper assembly, including a mounting base, parallel guide rods embedded on both sides of the mounting base, a first gripper component and a second gripper component slidably mounted on the mounting base, and a pneumatic drive mechanism for driving the first gripper component and the second gripper component to slide along the guide rods to achieve clamping or releasing actions.

[0006] Preferably, the pneumatic drive mechanism includes a first connecting air pipe connected to the first gripper component and a second connecting air pipe connected to the second gripper component. Both the first connecting air pipe and the second connecting air pipe are connected to an external air source. The air source supplies air to drive the cylinder to move, thereby causing the corresponding gripper component to slide.

[0007] Preferably, the mounting base has an internal air passage corresponding to the first connecting air pipe and the second connecting air pipe, and a pair of parallel sliding grooves are provided above the air passages. The sliding grooves and the air passages are connected by air holes.

[0008] Preferably, a sealing sliding member corresponding to the sliding groove is fixedly connected below the first gripper component and the second gripper component, and a mounting base is fixedly connected above the sealing sliding member.

[0009] Preferably, the mounting base is fixedly connected to the first gripper component and the second gripper component, and a clamping buffer pad is connected to the side of the first gripper component and the second gripper component that are close to each other.

[0010] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages compared with the prior art:

[0011] This device addresses the problems of poor clamping stability, unadjustable clamping force, bulky structure, easy damage to workpieces, and chaotic air circuit layout in existing robot grippers. By setting up a mounting base with parallel guide rods embedded on both sides, the first and second gripper components slide along the guide rods to achieve a stable parallel clamping action, solving the problems of unstable clamping and inaccurate centering. Utilizing a pneumatic drive mechanism connected to an external air source via first and second connecting air pipes, the air source drives the cylinder to move the gripper components, enabling convenient adjustment of the clamping force and solving the problem of... The problem of fixed and unadjustable clamping force is solved. By setting an air passage corresponding to the air pipe inside the mounting base, and cooperating with the sliding groove and air hole to achieve internal air passage connection, the sealing sliding part under the first and second gripper components cooperates with the sliding groove, solving the problems of exposed air passage being easily damaged and having a messy layout. The mounting base is used to achieve a stable connection between the gripper components and the sealing sliding part, which facilitates the installation and replacement of the gripper components. The clamping buffer pad connected to the side of the first and second gripper components effectively reduces the impact force on the workpiece during clamping, solving the problem of easy damage to the workpiece.

[0012] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the installation of an adjustable parallel clamping robot gripper assembly according to the present invention.

[0014] Figure 2 This is an exploded view of the gripping component of an adjustable parallel clamping robot gripper assembly according to this utility model.

[0015] As shown in the figure:

[0016] 1. Mounting base; 2. Guide rod; 3. First gripper component; 4. Second gripper component; 5. Pneumatic drive mechanism; 6. First connecting air pipe; 7. Second connecting air pipe; 8. Sliding groove; 9. Air hole; 10. Sealing sliding component; 11. Mounting base; 12. Clamping buffer pad. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] like Figure 1 As shown, an adjustable parallel clamping robot gripper assembly includes a mounting base 1 with parallel guide rods 2 embedded on both sides. A first gripper component 3 and a second gripper component 4 are slidably mounted on the mounting base 1. A pneumatic drive mechanism 5 is also included to drive the first gripper component 3 and the second gripper component 4 to slide along the guide rods 2 to achieve clamping or releasing actions. The pneumatic drive mechanism 5 includes a first connecting air pipe 6 connected to the first gripper component 3 and a second connecting air pipe 7 connected to the second gripper component 4. Both the first connecting air pipe 6 and the second connecting air pipe 7 are connected to an external air source, which supplies air to drive a cylinder to move, thereby causing the corresponding gripper component to slide.

[0021] In this implementation scheme, the mounting base 1 serves as the load-bearing foundation of the overall structure. Parallel guide rods 2 embedded on both sides provide stable sliding tracks for the first gripper component 3 and the second gripper component 4, ensuring that the two gripper components always maintain parallel movement. The pneumatic drive mechanism 5 establishes a power connection with the two gripper components through the first connecting air pipe 6 and the second connecting air pipe 7, respectively. The design of connecting the air pipes to an external air source allows for convenient adjustment of the gripper's driving force via air source pressure. From the key implementation points, the parallel guide rods 2 prevent deviation and wobbling during gripper movement, improving clamping centering accuracy. Compared to traditional mechanical drives, pneumatic drives offer faster response speeds and continuously adjustable clamping force, adapting to the clamping needs of workpieces of different materials and weights. The independent air pipe connection structure enables synchronous or asynchronous movement control of the two gripper components, enhancing the device's flexibility. This combination of structures effectively solves the problems of unstable clamping, fixed clamping force, and poor adaptability inherent in traditional grippers, significantly improving the device's applicability and ease of operation while ensuring clamping reliability.

[0022] like Figure 2 As shown, the mounting base 1 has an air passage corresponding to the first connecting air pipe 6 and the second connecting air pipe 7 inside. Above the air passage is a pair of parallel sliding grooves 8. The sliding grooves 8 and the air passage are connected by air holes 9. The first gripper component 3 and the second gripper component 4 are fixedly connected to a sealing sliding member 10 corresponding to the sliding groove 8 below. The sealing sliding member 10 is fixedly connected to a mounting base 11 above the sealing sliding member 10. The mounting base 11 is fixedly connected to the first gripper component 3 and the second gripper component 4 respectively. The sides of the first gripper component 3 and the second gripper component 4 that are close to each other are connected to a clamping buffer pad 12.

[0023] In this implementation scheme, the air passage inside the mounting base 1 is correspondingly arranged with the first connecting air pipe 6 and the second connecting air pipe 7, and works with the air hole 9 to achieve air passage communication with the sliding groove 8, making the air passage completely built-in and avoiding the problem of exposed pipes being easily interfered with and damaged. The sealing sliding component 10 is adapted to the sliding groove 8 and fixed below the gripper component, which not only ensures the air passage sealing performance, but also provides auxiliary guidance for the gripper sliding. The mounting base 11 serves as an intermediate connecting component, which strengthens the connection stability between the gripper component and the sealing sliding component 10 and facilitates component disassembly and maintenance. The clamping buffer pad 12 acts directly on the clamping surface and can buffer the clamping impact force. From the implementation points, the built-in air passage design makes the overall structure more compact and neat, improving space utilization and safety; the cooperation between the sealing sliding component 10 and the sliding groove 8 enhances the smoothness of movement while ensuring pneumatic drive efficiency; the buffer pad effectively avoids damage to the workpiece from hard contact. These structural combinations solve the problems of messy air passages, inconvenient maintenance, and easily damaged workpieces in traditional grippers, further improving the practicality and reliability of the device.

[0024] In actual use, this device requires an air compressor from existing technology to provide air power. The air supply pressure is stabilized through an air tank. At the same time, the compressed air is purified, pressure regulated, and lubricated by an air source treatment unit. The air flow and pressure regulation of the first connecting air pipe 6 and the second connecting air pipe 7 are automatically controlled by a solenoid valve and a PLC control system. During installation, bolts, nuts, and other fasteners are used to connect and fix the mounting base 1 to the robot arm. The mounting base 1 can be made of 6061 aluminum alloy to balance strength and lightness. The guide rod 2 is made of 45 high carbon steel and is heat-treated to enhance wear resistance. The first gripper component 3 and the second gripper component 4 are made of 304 stainless steel or POM engineering plastic to adapt to different working conditions. The sealing sliding component 10 uses nitrile rubber to achieve air circuit sealing. The clamping buffer pad 12 is made of polyurethane material with a hardness of 50-60 Shore A to improve the cushioning effect and durability.

[0025] Specifically, when installing this device, it can be fixed to the end flange of the robot arm using hexagonal bolts through the pre-drilled threaded holes on the mounting base 1. Ensure that the connecting axis between the mounting base 1 and the robot arm is perpendicular to the guide rod 2 to guarantee the accuracy of the gripper's movement direction. In the external air supply system, the compressed air generated by the air compressor is first pressurized by the air tank before entering the air supply treatment unit. The filter removes moisture and impurities from the air, the pressure reducing valve adjusts the pressure to the working range of 0.4-0.6 MPa, and the oil mist lubricator mixes atomized lubricating oil into the compressed air to reduce wear on pneumatic components. The treated compressed air is connected to the inlet of the solenoid valve through an air pipe. The two outlets of the solenoid valve are respectively connected to the... A connecting air pipe 6 and a second connecting air pipe 7 are connected. The PLC control system sends an electrical signal to the solenoid valve according to a preset program to control the on / off state of the solenoid valve. When it is necessary to clamp the workpiece, the PLC controls the solenoid valve to allow compressed air to enter the corresponding air passage through the first connecting air pipe 6 and the second connecting air pipe 7 respectively. This pushes the sealing sliding member 10 to slide towards each other in the sliding groove 8, causing the first gripper component 3 and the second gripper component 4 to approach and clamp the workpiece. When it is necessary to release the workpiece, the PLC controls the solenoid valve to switch the air passage, allowing compressed air to flow in or out in the opposite direction, driving the two gripper components to slide in the opposite direction to achieve the release action. Throughout the process, the clamping force can be changed by adjusting the output pressure of the pressure reducing valve to adapt to the clamping requirements of different workpieces.

[0026] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the claims.

Claims

1. An adjustable parallel clamping robot gripper assembly, characterized in that, It includes a mounting base (1), parallel guide rods (2) embedded on both sides of the mounting base (1), a first gripper component (3) and a second gripper component (4) slidably mounted on the mounting base (1), and a pneumatic drive mechanism (5) for driving the first gripper component (3) and the second gripper component (4) to slide along the guide rods (2) to achieve clamping or releasing action.

2. The adjustable parallel clamping robot gripper assembly according to claim 1, characterized in that, The pneumatic drive mechanism (5) includes a first connecting air pipe (6) connected to the first gripper component (3) and a second connecting air pipe (7) connected to the second gripper component (4). Both the first connecting air pipe (6) and the second connecting air pipe (7) are connected to an external air source. The air source supplies air to drive the cylinder to move, thereby driving the corresponding gripper component to slide.

3. The adjustable parallel clamping robot gripper assembly according to claim 1, characterized in that, The mounting base (1) is provided with an air passage corresponding to the first connecting air pipe (6) and the second connecting air pipe (7). A pair of parallel sliding grooves (8) are provided above the air passage. The sliding grooves (8) and the air passage are connected by air holes (9).

4. The adjustable parallel clamping robot gripper assembly according to claim 3, characterized in that, The first gripper component (3) and the second gripper component (4) are fixedly connected to a sealing sliding member (10) corresponding to the sliding groove (8), and a mounting base (11) is fixedly connected above the sealing sliding member (10).

5. An adjustable parallel clamping robot gripper assembly according to claim 4, characterized in that, The mounting base (11) is fixedly connected to the first gripper component (3) and the second gripper component (4), and a clamping buffer pad (12) is connected to the side of the first gripper component (3) and the second gripper component (4) that are close to each other.

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