A stable three-claw cylinder

Abstract

The utility model discloses a stable three -jaw cylinder, including cylinder, the chuck subassembly is rotatively connected with the cylinder front end, is seted up in the chamber in the cylinder, the chamber is equipped with the sealing plate, the cylinder rear end face fixedly connected with the apron, the apron surface is seted up with a plurality of connecting holes, the cylinder rear end face is located the threaded hole that seted up with connecting hole opposite position, just the threaded hole is connected with the connecting hole through the fastener. Through above -mentioned technical scheme, its internal structure design is simple, reduces the wear and tear between spare parts, makes the device when using, improved the leakproofness, greatly improved the stability of three -jaw cylinder, avoids the problem that needs to change frequently and appears to influence work efficiency, and then guarantees production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of industrial automation equipment technology, specifically a stable three-jaw cylinder. Background Technology

[0002] Three-jaw cylinders, also known as pneumatic grippers or pneumatic cleavers, are actuators that use compressed air as power to grip or grasp workpieces. The main function of pneumatic grippers is to replace manual gripping work, which can effectively improve production efficiency and work safety. Pneumatic grippers have been widely used by automation companies.

[0003] However, existing three-jaw cylinders are driven to rotate by intake and exhaust. Due to their complex internal design, they have poor sealing and are unstable during rotation, which reduces work efficiency and affects production efficiency. Summary of the Invention

[0004] The purpose of this utility model is to provide a stable three-jaw cylinder to solve the problem mentioned in the background art. When using the existing three-jaw cylinder, it drives the rotation of the three-jaw cylinder by means of air intake and exhaust. Due to its complex internal design, the three-jaw cylinder has poor sealing performance and poor stability during rotation, which reduces work efficiency and thus affects production efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stable three-jaw cylinder, including a cylinder body, a chuck assembly rotatably connected to the front end of the cylinder body, a chamber opened inside the cylinder body, a sealing plate covered inside the chamber, a cover plate fixedly connected to the rear end face of the cylinder body, a plurality of connecting holes opened on the surface of the cover plate, and a threaded hole opened on the rear end face of the cylinder body at a position opposite to the connecting holes, and the threaded hole and the connecting hole are connected by fasteners.

[0006] Preferably, two air holes are respectively opened on the surface of the cylinder body, and the two air holes communicate with the chamber. A rotating hole is opened in the middle of the surface of the cylinder body, and the rotating hole communicates with the chamber.

[0007] Preferably, the chuck assembly includes a rotating disk, a rotating shaft, and grippers. The rotating shaft is fixedly installed in the center of the rotating disk surface and is rotatably connected to a rotating hole. Gripper openings are evenly distributed on the rotating disk surface, and grippers are movably connected to the gripper openings.

[0008] Preferably, a contact position is provided in the middle of the surface of the sealing plate, and one end of the rotating shaft passes through the cavity and abuts against the contact position.

[0009] Preferably, a connection port is provided in the middle of the surface of the rotating disk, and the other end of the rotating shaft passes through the rotating disk and is connected to the connection port.

[0010] Preferably, a connecting block is fixedly connected to one end face of the rotating shaft at a position opposite to the gripper opening, and a first snap-fit ​​position is provided on the surface of the connecting block.

[0011] Preferably, a second locking position is provided at one end of the surface of the gripper, and the second locking position is engaged with the first locking position.

[0012] Preferably, a protective plate is fixedly connected to the surface of the rotating disk at the position opposite to the connection port by fasteners. Beneficial effects

[0013] Compared with existing technologies, the beneficial effects of this utility model are as follows: The above technical solution has a simple internal structure design, which reduces wear between parts. This improves the sealing performance of the device during use, greatly enhances the stability of the three-jaw cylinder, avoids the need for frequent replacements that could affect work efficiency, and thus ensures production efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal disassembly structure of the cylinder of this utility model; Figure 3 This is an exploded view of the chuck assembly of this utility model; Figure 4 This is a schematic diagram of the cooperation structure between the rotating shaft and the sealing plate of this utility model.

[0015] The correspondence between the labels and component names in the attached figures is as follows: 1. Cylinder block; 2. Chuck assembly; 3. Sealing plate; 4. Cover plate; 11. Chamber; 12. Air port; 13. Rotation hole; 14. Threaded hole; 21. Rotating disk; 22. Rotating shaft; 23. Clamping jaw; 24. Protective plate; 31. Contact position; 41. Connecting hole; 211. Connecting port; 212. Gripper opening; 221. Connecting block; 222. First locking position; 231. Second card slot. Detailed Implementation

[0016] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," "vertical," and "horizontal," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] like Figure 1-4 This is a schematic diagram of a preferred embodiment of a stable three-jaw cylinder of the present invention. In this embodiment, the stable three-jaw cylinder includes a cylinder body 1, a chuck assembly 2 rotatably connected to the front end of the cylinder body 1, a chamber 11 inside the cylinder body 1, a sealing plate 3 covering the chamber 11, a cover plate 4 fixedly connected to the rear end face of the cylinder body 1, and several connecting holes 41 on the surface of the cover plate 4. A threaded hole 14 is provided on the rear end face of the cylinder body 1 at a position opposite to the connecting holes 41, and the threaded hole 14 is connected to the connecting hole 41 by fasteners. The cover plate 4 is fixedly connected to the cylinder body 1, effectively preventing the sealing plate 3 inside the chamber from detaching. Through the above technical solution, its internal structure design is simple, reducing wear between parts, thus improving the sealing performance during use, greatly improving the stability of the three-jaw cylinder, avoiding the need for frequent replacements that could affect work efficiency, and thus ensuring production efficiency.

[0019] In this embodiment, two air holes 12 are respectively opened on the surface of the cylinder body 1, and the two air holes 12 communicate with the chamber 11. Air is introduced into the chamber 11 through the air holes 12 to realize the rotation function of the chuck assembly 2. A rotation hole 13 is opened in the middle of the surface of the cylinder body 1, and the rotation hole 13 communicates with the chamber 11.

[0020] In this embodiment, the chuck assembly 2 includes a rotating disk 21, a rotating shaft 22, and grippers 23. The rotating shaft 22 is fixedly installed in the middle of the surface of the rotating disk 21 and is rotatably connected to the rotating hole 13. Gripper openings 212 are evenly distributed on the surface of the rotating disk 21, and grippers 23 are movably connected through the gripper openings 212.

[0021] In this embodiment, a contact position 31 is provided in the middle of the surface of the sealing plate 3, and one end of the rotating shaft 22 passes through the cavity 11 and abuts against the contact position 31, so that the sealing plate 3 can achieve the function of sealing the cavity 11.

[0022] In this embodiment, a connection port 211 is provided in the middle of the surface of the rotating disk 21, and the other end of the rotating shaft 22 passes through the rotating disk 21 and is connected to the connection port 211. A connecting block 221 is fixedly connected to one end face of the rotating shaft 22 at the opposite position of the gripper opening 212. A first locking position 222 is provided on the surface of the connecting block 221, and a second locking position 231 is provided on one end of the surface of the gripper 23. The second locking position 231 and the first locking position 222 are locked together, thereby realizing the fixing function of the gripper 23.

[0023] In this embodiment, a protective plate 24 is fixedly connected to the surface of the rotating disk 21 at the position opposite to the connection port 211 by fasteners. The protective plate 24 is fixed at the connection port 211, which can play a role in fixing the rotating shaft 22 and the gripper 23 to each other, effectively preventing the possibility of falling off.

[0024] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A stable three-jaw cylinder, comprising a cylinder body (1), wherein a chuck assembly (2) is rotatably connected to the front end of the cylinder body (1), characterized in that: The cylinder (1) has a chamber (11) inside, and a sealing plate (3) is provided inside the chamber (11). A cover plate (4) is fixedly connected to the rear end face of the cylinder (1). A number of connection holes (41) are provided on the surface of the cover plate (4). A threaded hole (14) is provided on the rear end face of the cylinder (1) at the position opposite to the connection hole (41). The threaded hole (14) and the connection hole (41) are connected by fasteners.

2. The stable three-jaw cylinder according to claim 1, characterized in that: Two air holes (12) are respectively opened on the surface of the cylinder (1), and the two air holes (12) are connected to the chamber (11). A rotating hole (13) is opened in the middle of the surface of the cylinder (1), and the rotating hole (13) is connected to the chamber (11).

3. The stable three-jaw cylinder according to claim 1, characterized in that: The chuck assembly (2) includes a rotating disk (21), a rotating shaft (22) and a gripper (23). The rotating shaft (22) is fixedly installed in the middle of the surface of the rotating disk (21), and the rotating shaft (22) is rotatably connected in the rotating hole (13). Gripper openings (212) are evenly distributed on the surface of the rotating disk (21), and grippers (23) are movably connected to the gripper openings (212).

4. A stable three-jaw cylinder according to claim 3, characterized in that: The sealing plate (3) has a contact position (31) in the middle of its surface, and one end of the rotating shaft (22) passes through the chamber (11) and abuts against the contact position (31).

5. A stable three-jaw cylinder according to claim 3, characterized in that: A connection port (211) is provided in the middle of the surface of the rotating disk (21), and the other end of the rotating shaft (22) passes through the rotating disk (21) and is connected to the connection port (211).

6. A stable three-jaw cylinder according to claim 5, characterized in that: One end face of the rotating shaft (22) is fixedly connected to a connecting block (221) at a position opposite to the jaw opening (212), and a first snap-fit ​​position (222) is provided on the surface of the connecting block (221).

7. A stable three-jaw cylinder according to claim 3, characterized in that: The gripper (23) has a second locking position (231) at one end of its surface, and the second locking position (231) and the first locking position (222) are locked together.

8. A stable three-jaw cylinder according to claim 5, characterized in that: The surface of the rotating disk (21) is fixedly connected to a protective plate (24) by fasteners at the position opposite to the connection port (211).

Images