Automatic centering and continuous clamping device for cylinder

Abstract

The utility model relates to the technical field of cylinder clamping, and discloses a cylinder automatic centering continuous clamping device which comprises a clamping seat, a second clamping arm assembly and a first clamping arm assembly are installed on the inner side of the clamping seat towards the left end and the right end in a penetrating mode respectively, and a transmission assembly is installed in the center of the inner side of the clamping seat in a downward penetrating mode. The first clamping arm assembly comprises a grabbing plate, the rear side, close to the guide rod, of one end of the grabbing plate is fixedly connected with a cylindrical rack, and the outer side of the guide rod is sleeved with a spring. The rotating shaft and the gear are driven to rotate through the optical axis and the rocker in the transmission assembly, and therefore the first arm assembly and the second clamping arm assembly can move synchronously; and after the external power source on the optical shaft and the rocker is removed, the spring drives the arm assembly I and the clamping arm assembly II to automatically and synchronously reset, so that the cylinder can be automatically centered, the continuous clamping function can be realized under the condition of no external power source, and the clamping effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder clamping, in particular to an automatic centering and continuous clamping device for a cylinder. Background Art

[0002] Cylindrical workpieces are widely used in engineering design and production. During the processing, they need to be clamped by fixtures to ensure that the workpiece remains fixed during the processing, thereby avoiding processing errors caused by workpiece movement or vibration and improving product accuracy.

[0003] A Chinese patent discloses an automatic centering clamping device for a cylinder (authorization announcement number CN201711885U). This patented technology uses a motor to drive a double-headed screw to rotate, and the screw nut moves in the same direction due to the meshing action of the threads, thereby driving the clamp seat and the roller thereon to move closer to each other. However, it cannot clamp continuously without an external power source, and the clamping effect is poor. Utility Model Content

[0004] The utility model aims to provide a cylindrical automatic centering and continuous clamping device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The automatic centering and continuous clamping device for a cylinder comprises a clamping seat, and a clamping arm assembly 2 and a clamping arm assembly 1 are respectively installed on the inner side of the clamping seat to the left and right ends, and a transmission assembly is installed downwardly through the center position of the inner side of the clamping seat, and the clamping arm assembly 1 comprises a grab plate, a V-shaped block is fixedly connected to the front side of one end of the grab plate, and a guide rod is fixedly connected to the rear side of one end of the grab plate near the V-shaped block, a cylindrical rack is fixedly connected to one end of the grab plate near the rear side of the guide rod, a spring is sleeved on the outer side of the guide rod, and the transmission assembly comprises a rotating shaft, a bearing 1 is installed on the top end of the rotating shaft, and a gear is installed on the outer side of the rotating shaft near the lower end of the bearing 1, a bearing 2 is installed on the outer side of the rotating shaft away from the lower end of the gear, and a rocker is installed at the bottom end of the rotating shaft.

[0007] As a further solution of the utility model: the cylindrical rack and the guide rod both slide through one side of the clamping seat, the V-block is located at the front end of the outer side of the clamping seat, and the spring is located inside the clamping seat.

[0008] As a further solution of the utility model: the bearing 1 and the bearing 2 are fixedly mounted at the upper and lower ends inside the clamping seat respectively, and the gear is meshedly connected with the cylindrical rack.

[0009] As a further solution of the utility model: the rotating shaft passes through the lower end of the clamping seat, one end of the rocker is embedded with a bearing three, and the inner side of the bearing three is penetrated and installed with an optical axis.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model drives the rotating shaft and the gear to rotate through the optical axis and the rocker in the transmission component, and the gear is meshed with the cylindrical racks in the arm component one and the clamping arm component two for transmission, so that the arm component one and the clamping arm component two can move synchronously; when the external power source on the optical axis and the rocker is released, the spring drives the arm component one and the clamping arm component two to automatically and synchronously reset, so that the cylinder can be automatically centered and can continuously clamp without an external power source, and the clamping effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a cylindrical automatic centering and continuous clamping device;

[0013] Figure 2 It is a schematic diagram of the structure of the transmission assembly in the automatic centering and continuous clamping device for a cylindrical object;

[0014] Figure 3 It is a structural schematic diagram of a clamp arm assembly 1 in a cylindrical automatic centering and continuous clamping device;

[0015] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the automatic centering and continuous clamping device for a cylinder.

[0016] In the figure: 1. Clamping seat; 2. Clamping arm assembly 1; 21. Grabbing plate; 22. Cylindrical rack; 23. V-block; 24. Guide rod; 25. Spring; 3. Clamping arm assembly 2; 4. Transmission assembly; 41. Rotating shaft; 42. Bearing 1; 43. Gear; 44. Bearing 2; 45. Rocker; 46. Optical axis; 47. Bearing 3. DETAILED DESCRIPTION

[0017] See also Figures 1 to 4 In the embodiment of the utility model, the cylindrical automatic centering continuous clamping device includes a clamping seat 1, and the inner side of the clamping seat 1 is respectively penetrated by a clamping arm assembly 2 3 and a clamping arm assembly 1 2 at the left and right ends, and a transmission assembly 4 is downwardly penetrated by the center position of the inner side of the clamping seat 1.

[0018] exist Figure 2 and Figure 4In the embodiment, the transmission assembly 4 includes a rotating shaft 41, a bearing 1 42 is installed at the top of the rotating shaft 41, and a gear 43 is installed on the outer side of the rotating shaft 41 near the lower end of the bearing 1 42, a bearing 2 44 is installed on the outer side of the rotating shaft 41 away from the lower end of the gear 43, and a rocker 45 is installed at the bottom end of the rotating shaft 41, and the bearing 1 42 and the bearing 2 44 are respectively fixedly installed at the upper and lower ends of the inside of the clamping seat 1, so that the rotating shaft 41 can rotate stably; the gear 43 is meshed with the cylindrical rack 22, so that when the gear 43 rotates, it can simultaneously drive the cylindrical gears on the clamping arm assembly 1 2 and the clamping arm assembly 2 3 The bar 22 makes a linear motion, so that the clamping arm assembly 1 2 and the clamping arm assembly 2 3 move synchronously, thereby realizing automatic centering clamping; the rotating shaft 41 passes through the lower end of the clamping seat 1, and one end of the rocker 45 is embedded with a bearing 3 47, and the inner side of the bearing 3 47 passes through an optical axis 46, and the optical axis 46 is connected to the disc on the external disc divider, and the center position of the disc is on the same vertical line as the center position of the rotating shaft 41, and the disc is driven to rotate through the disc divider, and the disc drives the optical axis 46 and the rocker 45 to rotate together, thereby driving the rotating shaft 41 and the gear 43 to rotate with the bearing 1 42 and the bearing 2 44 as the center.

[0019] exist Figure 3 and Figure 4 In the figure, the clamping arm assembly 1 2 includes a grab plate 21, a V-shaped block 23 is fixedly connected to the front side of one end of the grab plate 21, and a guide rod 24 is fixedly connected to the rear side of one end of the grab plate 21 near the V-shaped block 23, a cylindrical rack 22 is fixedly connected to the rear side of one end of the grab plate 21 near the guide rod 24, and a spring 25 is sleeved on the outer side of the guide rod 24. The clamping arm assembly 1 2 has the same structure as the clamping arm assembly 2 3 and corresponds to each other. The cylinder is clamped by a pair of V-shaped blocks 23 on the clamping arm assembly 1 2 and the clamping arm assembly 2 3; the cylindrical rack 22 and the guide rod 24 both slide through one side of the clamping seat 1, the V-shaped block 23 is located at the front end of the outer side of the clamping seat 1, and the spring 25 is located inside the clamping seat 1, so that the cylindrical rack 22 and the guide rod 24 can slide on one side of the clamping seat 1 and drive the V-shaped block 23 to move, and at the same time the spring 25 is compressed.

[0020] The working principle of the utility model is as follows: first, the clamping seat 1 is fixed on the external equipment mechanism, and then the optical axis 46 is connected to the disc on the external disc divider, and the disc of the disc divider drives the optical axis 46 and the rocker 45 to rotate together, thereby driving the rotating shaft 41 and the gear 43 to rotate with the bearing 1 42 and the bearing 2 44 as the center of the circle, and the gear 43 is meshed with the cylindrical rack 22 for transmission, so that the clamping arm assembly 1 2 and the clamping arm assembly 2 3 are respectively and synchronously slid to the two sides of the clamping seat 1, so that the pair of V-shaped blocks 23 on the clamping arm assembly 1 2 and the clamping arm assembly 2 3 are synchronously separated, and at the same time, the spring 25 is squeezed by the inner wall of the clamping seat 1;

[0021] Next, an external robot is used to place the cylinder between a pair of V-blocks 23, and then the disc on the disc divider is separated from the optical axis 46. The pressure on the spring 25 is released and automatically reset, and a pair of V-blocks 23 on the clamping arm assembly 1 2 and the clamping arm assembly 2 3 are synchronously approached to each other, and the cylinder is automatically centered and clamped by the V-blocks 23 without the need for a continuous external power source.

[0022] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A cylindrical automatic centering and continuous clamping device, comprising a clamping seat (1), characterized in that: The inner side of the clamping seat (1) is respectively penetrated by a clamping arm assembly 2 (3) and a clamping arm assembly 1 (2) at both left and right ends, and a transmission assembly (4) is penetrated downwardly by a central position of the inner side of the clamping seat (1). The clamping arm assembly 1 (2) comprises a gripping plate (21), a V-shaped block (23) is fixedly connected to the front side of one end of the gripping plate (21), and a guide rod (24) is fixedly connected to the rear side of one end of the gripping plate (21) near the V-shaped block (23). The rear side of the guide rod (24) is fixedly connected to a cylindrical rack (22), the outer side of the guide rod (24) is sleeved with a spring (25), the transmission assembly (4) comprises a rotating shaft (41), the top end of the rotating shaft (41) is mounted with a bearing 1 (42), and a gear (43) is mounted on the outer side of the rotating shaft (41) near the lower end of the bearing 1 (42), the outer side of the rotating shaft (41) is mounted with a bearing 2 (44) away from the lower end of the gear (43), and a rocker (45) is mounted on the bottom end of the rotating shaft (41).

2. The cylindrical automatic centering and continuous clamping device according to claim 1, characterized in that: The cylindrical rack (22) and the guide rod (24) both slide through one side of the clamping seat (1), the V-shaped block (23) is located at the front end of the outer side of the clamping seat (1), and the spring (25) is located inside the clamping seat (1).

3. The cylindrical automatic centering and continuous clamping device according to claim 1, characterized in that: The first bearing (42) and the second bearing (44) are respectively fixedly mounted at the upper and lower ends inside the clamping seat (1), and the gear (43) is meshedly connected with the cylindrical rack (22).

4. The cylindrical automatic centering and continuous clamping device according to claim 1, characterized in that: The rotating shaft (41) passes through the lower end of the clamping seat (1), one end of the rocker (45) is embedded with a bearing three (47), and the inner side of the bearing three (47) is penetrated by an optical axis (46).

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