Connecting rod type pneumatic clamping jaw mechanism

Abstract

The utility model discloses a connecting rod type pneumatic clamping jaw mechanism, and belongs to the technical field of pneumatic clamping jaws. Comprising a connecting block, a first connector arranged on the side wall of the connecting block, a butt joint arranged on the side wall of the connecting block, a base plate arranged at the bottom of the connecting block, a second connector arranged on the top of the base plate, a first clamping jaw arranged on the side wall of a structural plate, a rotating shaft arranged on one side wall of the clamping jaw, a second clamping jaw arranged on the side wall of the rotating shaft, a connecting rod arranged on the side wall of the second clamping jaw and an auxiliary jaw arranged on the side wall of the connecting rod. Buffering grooves are formed in the bottoms of the structural plates, buffering springs are arranged on the inner walls of the buffering grooves, and buffering supporting rods are arranged on the side walls of the buffering springs. Through the arrangement of the first clamping jaw, the second clamping jaw, the connecting rod and the auxiliary jaw, the device is more reliable and firmer in the clamping process, and the stability of the device is improved; and through the arrangement of a buffer supporting rod and a buffer spring, when the device is in contact with a clamped object, the buffer supporting rod is stressed to compress the buffer spring, so that the contact impact force of the buffer supporting rod and the buffer spring is buffered, and the clamped object is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic clamps, and more specifically to a connecting rod type pneumatic clamp mechanism. Background Art

[0002] Pneumatics utilizes air pressure generated by impact or rotation to create motion or work. It uses compressed air as a power source to drive mechanical expansion, contraction, or rotation. This utilizes the compressibility of air. Air is drawn in, compressed, and stored, imparting elasticity like a spring. Control elements then control its direction, driving the rotation and expansion of actuators. The same amount of air drawn in is expelled back into the atmosphere, without any chemical reactions or consumption of polluting air. Furthermore, gases are less viscous than liquids, resulting in faster flow and environmentally friendly performance.

[0003] Pneumatic systems feature a simple, lightweight structure, and are easy to install and maintain. They have a low pressure rating and are relatively safer to use than hydraulic systems. The working medium is inexhaustible air, which itself is free. Exhaust treatment is simple and environmentally friendly, but energy consumption is high, resulting in a low energy conversion rate. While initial costs are low, operating costs are high. Output force and operating speed are easily adjustable. However, operating speed stability is not high, reliability is not high, and service life is significantly affected by air source cleanliness and frequency of use. The compressibility of air can be used to store energy, enabling centralized air supply. Energy can be released in short bursts to achieve high-speed response during intermittent motion. This provides cushioning. Pneumatic systems are highly adaptable to shock loads and overloads. Under certain conditions, pneumatic systems can be self-protected. Fully pneumatic control is fireproof, explosion-proof, and moisture-proof. Compared to hydraulic systems, pneumatic systems can be used in high-temperature environments.

[0004] Most of the existing pneumatic grippers are single grippers. When gripping objects of special sizes, such as long cylindrical objects, the gripping may be unstable and there is a risk of dropping. Some pneumatic grippers may grip fragile objects through direct contact and may cause the objects to be damaged. Utility Model Content

[0005] Technical problems to be solved

[0006] The purpose of the utility model is to provide a connecting rod type pneumatic clamping claw mechanism to solve the problems of unstable clamping of special-sized objects and damage to fragile objects raised in the above background technology.

[0007] Technical Solution

[0008] A connecting rod type pneumatic clamping mechanism comprises a connecting block, a side wall of the connecting block is provided with a joint 1, a side wall of the connecting block is provided with a docking joint, a base plate is provided at the bottom of the connecting block, a joint 2 is provided at the top of the base plate, a structural plate is provided at the bottom of the base plate, a cylinder body is provided at the bottom of the joint 2, a piston is provided on the circumferential inner wall of the cylinder body, the cylinder body passes through the base plate, a clamping jaw 1 is provided on the side wall of the structural plate, a rotating shaft is provided on one side wall of the clamping jaw, a clamping jaw 2 is provided on the side wall of the rotating shaft, a connecting rod is provided on the side wall of the clamping jaw 2, a secondary claw is provided on the side wall of the connecting rod, a spring groove is provided on the top of the structural plate, a spring is provided at the bottom of the spring groove, a contact plate is provided at the bottom of the structural plate, a buffer groove is provided at the bottom of the structural plate, a buffer spring is provided on the inner wall of the buffer groove, a buffer support rod is provided on the side wall of the buffer spring, and the buffer support rod passes through the contact plate.

[0009] Preferably, the connecting block has a docking joint on each side wall, two second connectors are provided on each left and right top of the base plate, and the docking joints on the left and right sides are respectively connected to the two second connectors on the left and right sides.

[0010] Preferably, screw holes are reserved on the side wall of the connecting rod, and the connecting rod can connect multiple auxiliary claws side by side.

[0011] Preferably, the side wall of the second connector is provided with an air inlet, and there are two second connectors, wherein one side wall of the second connector is provided with two air inlets, and the other side wall of the second connector is provided with one air inlet.

[0012] Preferably, regulating valves are provided on the top of the second joint and the top of the docking joint, and the regulating valves are rotatably adjustable. Beneficial effects

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] The utility model is provided with the arrangement of the first clamping jaw, the second clamping jaw, the connecting rod and the auxiliary clamping jaw. During use, the opening and closing of the first clamping jaw and the second clamping jaw are forced to drive all the clamping jaws on the connecting rod to move, thereby making the device more reliable and firm when clamping, and improving the stability of the device.

[0015] By setting the buffer support rod and the buffer spring, during use, when the device contacts the clamped object, the buffer support rod is forced to compress the buffer spring, so that the impact force of the contact between the two is buffered, thereby preventing the clamped object from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic top view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model on the right side;

[0018] Figure 3 This is a front view of the overall structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0020] Explanation of the numbers in the figure: 1. Joint 1, 2. Connecting block, 3. Base plate, 4. Joint 2, 5. Clamping jaw 1, 6. Connecting rod, 7. Clamping jaw 2, 8. Cylinder body, 9. Piston, 10. Rotating shaft, 11. Spring, 12. Buffer support rod, 13. Buffer spring, 14. Contact plate, 15. Butt joint, 16. Structural plate, 17. Auxiliary jaw, 18. Spring slot, 19. Buffer slot. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships 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 device or element referred to 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.

[0022] In the description of the present invention, “plurality” means two or more, unless otherwise clearly defined.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean 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 an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0024] The utility model provides a connecting rod type pneumatic clamping jaw mechanism: the utility model makes the device more reliable and firm when clamping through the arrangement of the first clamping jaw, the second clamping jaw, the connecting rod and the auxiliary clamping jaw, and improves the stability of the device; through the arrangement of the buffer support rod and the buffer spring, when the device contacts the clamped object, the buffer support rod is forced to compress the buffer spring, so that the impact force of the contact between the two is buffered, thereby preventing the clamped object from being damaged. Figure 1 、 Figure 2 、 Figure 3 and Figure 4 .

[0025] The side wall of the connecting block 2 is formed into a joint 1, and the side wall of the connecting block 2 is fixed with a butt joint 15 by screws. The bottom of the connecting block 2 is fixed with a base plate 3 by welding, and the top of the base plate 3 is fixed with a joint 2 4 by screws. The bottom of the base plate 3 is fixed with a structural plate 16 by screws. The bottom of the joint 2 4 is connected to the cylinder 8 by welding. The circumferential interior of the cylinder 8 is connected with a piston 9 by embedding. The cylinder 8 passes through the base plate 3 and is connected to the joint 2 4. The side of the structural plate 16 is formed into a circular hole by integral molding, and the circumferential inner wall of the circular hole is connected by nesting. The rotating shaft 10 has a circumferential outer wall at one end thereof connected by embedding with a clamping jaw 5, and a circumferential outer wall at the other end thereof connected by embedding with a clamping jaw 2 7. The side wall of the clamping jaw 2 7 is fixed with a connecting rod 6 by screws, and the connecting rod 6 is connected to the clamping jaw 1 5 by screws. The side wall of the connecting rod 6 is fixed with a secondary claw 17 by screws. The top of the structural plate 16 is provided with a spring groove 18 by integral molding, and the bottom of the spring groove 18 is connected with a spring 11 by welding. The bottom of the structural plate 16 is fixed with a contact plate 14 by screws, and the bottom of the structural plate 16 is provided with a buffer plate by integral molding. The punching groove 19 is connected to the inner wall of the buffer groove 19 by welding with a buffer spring 13, and the side wall of the buffer spring 13 is fixed with a buffer support rod 12 by screws. The buffer support rod 12 passes through the contact plate 14. Specifically, the connecting block 2 is provided with a joint 1 on the side wall of the connecting block 2, and a butt joint 15 is provided on the side wall of the connecting block 2. A base plate 3 is provided at the bottom of the connecting block 2, a joint 2 4 is provided on the top of the base plate 3, and a structural plate 16 is provided at the bottom of the base plate 3. A cylinder 8 is provided at the bottom of the joint 2 4, and a piston 9 is provided on the circumferential inner wall of the cylinder 8. The cylinder 8 passes through the base plate 3 and the structural plate 1 6 The side wall is provided with a clamping jaw 5, the side wall of the clamping jaw 5 is provided with a rotating shaft 10, the side wall of the rotating shaft 10 is provided with a clamping jaw 2 7, the side wall of the clamping jaw 2 7 is provided with a connecting rod 6, the side wall of the connecting rod 6 is provided with an auxiliary claw 17, the top of the structural plate 16 is provided with a spring groove 18, the bottom of the spring groove 18 is provided with a spring 11, the bottom of the structural plate 16 is provided with a contact plate 14, the bottom of the structural plate 16 is provided with a buffer groove 19, the inner wall of the buffer groove 19 is provided with a buffer spring 13, the side wall of the buffer spring 13 is provided with a buffer support rod 12, and the buffer support rod 12 passes through the contact plate 14.

[0026] Working principle: When the device is in use, gas enters the connecting block 2 from the joint 1, and the air flow is divided left and right in the connecting block 2 to control the left and right groups of clamps respectively. The air flow is introduced into the joint 15 on the side wall of the connecting block 2 through the air pipe to the joint 2 4 on the top of the base plate 3. The gas enters the cylinder 8 through the joint 2 4. The gas pushes the piston 9 inside the cylinder 8 to move downward, so that the clamp 1 5 is forced to rotate downward with the rotating shaft 10 as the center, compressing the spring 11 inside the spring groove 18. At the same time, through the connection of the connecting rod 6, the auxiliary claw 1 on the connecting rod 6 is 7 and the second clamping jaw 7 rotate together, so that the entire connecting rod clamping jaw is unfolded. When the clamping jaw opens to contact the clamped object, the buffer support rod 12 located at the bottom of the contact plate 14 contacts the clamped object first. The buffer support rod 12 is forced to move backward to compress the buffer spring 13 in the buffer groove 19, so that the clamping jaw and the clamped object are in smooth contact to avoid damaging the clamped object. After the clamping work is completed, the buffer spring 13 resets to generate a reaction force to push the buffer support rod 12 to reset, and the pressure disappears by releasing the gas in the cylinder 8. Under the reaction force of the spring 11, the clamping jaw 5 is reset, so that all the clamping jaws are closed.

[0027] Furthermore, in order to enable the left and right groups of clamps to operate simultaneously, a docking joint 15 is fixed to each side wall of the connecting block 2 by screws, and two joints 2 4 are fixed to each side wall of the base plate 3 by screws. The left and right docking joints 15 each correspond to the two corresponding joints 2 4 on both sides. Specifically, there is a docking joint 15 on each side wall of the connecting block 2, and two joints 2 4 are set on the left and right top of the base plate 3. The docking joints 15 on the left and right sides are respectively connected to the two corresponding joints 2 4 on the left and right sides.

[0028] Next, in order to make the grasping more stable, the side wall of the connecting rod 6 is integrally formed with reserved screw holes, and multiple auxiliary claws 17 can be fixed to the connecting rod 6 side by side through screws. Specifically, screw holes are reserved on the side wall of the connecting rod 6, and the connecting rod 6 can connect multiple auxiliary claws 17 side by side.

[0029] It is worth noting that in order to allow air to be supplied in series between the connectors 2 4, the side walls of the connectors 2 4 are provided with air inlets by welding. The connectors 2 4 are divided into two types, one type of connector 2 4 has two air inlets provided on its side walls by welding, and the other type of connector 2 4 has one air inlet provided on its side walls by welding. The two different connectors 2 4 form a group of connectors 2 4, and there is a group of such connectors 2 4 on each of the left and right sides of the substrate 3. Specifically, the side walls of the connectors 2 4 are provided with air inlets. There are two connectors 2 4, one of which has two air inlets provided on its side wall, and the other type of connector 2 4 has one air inlet provided on its side wall.

[0030] Finally, in order to adjust the air pressure in the device, a regulating valve is embedded in the top of the joint 2 4 and the top of the docking joint 15 through a threaded connection. The gas in the device can be released by rotating. Specifically, a regulating valve is provided at the top of the joint 2 4 and the top of the docking joint 15, and the regulating valve can be rotated for adjustment.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting rod type pneumatic clamp mechanism, characterized in that: include: A connecting block (2), wherein a joint 1 (1) is arranged on a side wall of the connecting block (2), a butt joint (15) is arranged on the side wall of the connecting block (2), a base plate (3) is arranged on the bottom of the connecting block (2), a joint 2 (4) is arranged on the top of the base plate (3), a structural plate (16) is arranged on the bottom of the base plate (3), a cylinder (8) is arranged on the bottom of the joint 2 (4), a piston (9) is arranged on the circumferential inner wall of the cylinder (8), the cylinder (8) passes through the base plate (3), a clamping jaw 1 (5) is arranged on the side wall of the structural plate (16), a rotating shaft (10) is arranged on the side wall of the clamping jaw 1 (5), and the rotating shaft ( 10) A second clamping jaw (7) is arranged on the side wall of the second clamping jaw (7), a connecting rod (6) is arranged on the side wall of the connecting rod (6), a secondary clamp (17) is arranged on the side wall of the connecting rod (6), a spring groove (18) is arranged on the top of the structural plate (16), a spring (11) is arranged on the bottom of the spring groove (18), a contact plate (14) is arranged on the bottom of the structural plate (16), a buffer groove (19) is arranged on the bottom of the structural plate (16), a buffer spring (13) is arranged on the inner wall of the buffer groove (19), a buffer support rod (12) is arranged on the side wall of the buffer spring (13), and the buffer support rod (12) passes through the contact plate (14).

2. The connecting rod type pneumatic clamp mechanism according to claim 1, characterized in that: The connecting block (2) has a butt joint (15) on each side wall, and two joints (4) are arranged on each side of the top of the base plate (3). The butt joints (15) on the left and right sides are respectively connected to the two joints (4) on the left and right sides.

3. The connecting rod type pneumatic clamp mechanism according to claim 2, characterized in that: A screw hole is reserved on the side wall of the connecting rod (6), and the connecting rod (6) can connect a plurality of auxiliary claws (17) side by side.

4. The connecting rod type pneumatic clamp mechanism according to claim 3, characterized in that: There are two joints 2 (4), one of which has two air inlets on its side wall, and the other of which has one air inlet on its side wall.

5. The connecting rod type pneumatic clamp mechanism according to claim 4, characterized in that: The top of the second joint (4) and the top of the butt joint (15) are provided with regulating valves, and the regulating valves can be rotatably adjusted.

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