CN-224223338-U - Hydraulic clamping mechanism with buffering function

Abstract

The utility model discloses a hydraulic clamping mechanism with a buffering function, which comprises a mechanism base, a pair of positioning and retaining blocks and a bearing and positioning frame, wherein the pair of positioning and retaining blocks are arranged on the mechanism base; the utility model relates to the technical field of hydraulic clamping mechanisms, in particular to a clamping mechanism which ensures that a cylindrical workpiece can be firmly and stably clamped and positioned through a coupling holding clamping structure, and particularly, the mechanism maintains the high stability of the workpiece in the clamping process through buffer decompression laminating components on a pair of opposite clamping pushing blocks, the clamping part of the workpiece is fully protected and protected, so that the damage of the workpiece caused by excessive extrusion or scraping is effectively avoided through the innovative design, and the appearance of the workpiece is ensured to be in a perfect and flawless state after the workpiece is processed.

Inventors

• LI CHUNXUE
• GAO YUHANG
• WANG ZHAOCHUN

Assignees

• 沈阳科技学院

Dates

Publication Date

20260512

Application Date

20250304

Claims (6)

1. 1. The hydraulic clamping mechanism with the buffering function comprises a mechanism base, a pair of positioning and retaining blocks and a bearing positioning frame, wherein the bearing positioning frame is installed on the mechanism base, the pair of positioning and retaining blocks are respectively installed on the mechanism base, and a coupling holding clamping structure is installed on the bearing positioning frame; The hydraulic system installation groove is formed in the bearing installation frame, the hydraulic push rod is installed on the mechanism base, the hydraulic push rod is inserted into the hydraulic system installation groove, a pair of guide grooves on the block are formed in the transmission special-shaped block, a pair of transmission push posts are movably inserted into a pair of guide grooves on the block respectively, the transmission push posts are installed on a pair of transmission connecting rods respectively, a pair of connecting rod deflection rotating shafts are installed on the bearing installation frame respectively, the connecting rod deflection rotating shafts are connected with a pair of transmission connecting rods respectively, a pair of clamping push blocks are installed on a pair of transmission connecting rods respectively through rotating shafts, and buffer decompression attaching components are installed on the pair of clamping push blocks respectively.
2. 2. The hydraulic clamping mechanism with a buffering function according to claim 1, wherein the buffering and pressure-reducing attaching assembly comprises a pair of half-arc clamping blocks, a plurality of buffering springs and a plurality of attaching module blocks; The pair of half-arc clamping blocks are respectively arranged on the pair of clamping pushing blocks, the plurality of buffer springs are respectively arranged on the pair of half-arc clamping blocks, and the plurality of attaching module blocks are respectively arranged on the plurality of buffer springs.
3. 3. A hydraulic clamping mechanism with cushioning function according to claim 2, wherein the mounting block is provided with engagement flange openings.
4. 4. A hydraulic clamping mechanism with a buffering function according to claim 3, wherein an anti-slip floor mat is arranged on the mechanism base.
5. 5. The hydraulic clamping mechanism with buffering function according to claim 4, wherein a dust cover plate is arranged on the hydraulic system mounting groove.
6. 6. The hydraulic clamping mechanism with the buffering function according to claim 5, wherein the attaching module block is provided with an anti-scratch gasket.

Description

Hydraulic clamping mechanism with buffering function Technical Field The utility model relates to the technical field of hydraulic clamping mechanisms, in particular to a hydraulic clamping mechanism with a buffering function. Background The hydraulic clamping mechanism is widely applied to workpiece clamping and releasing operation, the hydraulic clamping mechanism is used as an efficient driving clamp, the operating mechanism is exquisite, a hydraulic pump drives hydraulic oil to flow into a hydraulic cylinder, a piston moves along with the hydraulic cylinder to transfer the hydraulic pressure to the clamp to firmly clamp a workpiece, when the hydraulic clamping mechanism is released, a control valve cuts off the oil flow, the oil in the clamp is discharged, and the clamp is reset, particularly in the field of cylindrical workpieces, the hydraulic clamping mechanism is favored by the excellent clamping performance, however, the conventional design is usually focused on the improvement of the clamping performance, the careful protection and decompression treatment on the surface of the workpiece are ignored, the negligence leads to the occurrence of scratches or indentations on the surface of the workpiece after the workpiece is processed, the appearance texture of a product is damaged, the challenge is formed on the precision machining quality, the application potential of the hydraulic clamping mechanism in the field of high end is limited, therefore, the hydraulic clamping mechanism is optimized, the surface protection capability of the cylindrical workpieces is enhanced, unnecessary damage is reduced, the key for improving the machining quality and the aesthetic degree is achieved, the dual purposes of efficient clamping and the continuous progress in the field are realized through the technical innovation, the scheme is provided for solving the problems, and the scheme is intended to replace the technical scheme. Disclosure of utility model The hydraulic clamping mechanism with the buffering function comprises a mechanism base, a pair of positioning and retaining blocks and a bearing positioning frame, wherein the bearing positioning frame is arranged on the mechanism base, the pair of positioning and retaining blocks are respectively arranged on the mechanism base, and a coupling holding clamping structure is arranged on the bearing positioning frame and comprises a hydraulic system positioning groove, a hydraulic push rod, a transmission special-shaped block, a pair of upper guide grooves of the blocks, a pair of transmission pushing columns, a pair of connecting rod deflection rotating shafts, a pair of transmission connecting rods and a pair of pair-clamping pushing blocks; The bearing and arranging frame is provided with the hydraulic system arranging groove, the hydraulic push rod is arranged on the mechanism base, the hydraulic push rod is inserted into the hydraulic system arranging groove, the transmission special-shaped block is respectively provided with a pair of block upper guide grooves, a pair of transmission push posts are respectively movably inserted into a pair of block upper guide grooves, the transmission push posts are respectively arranged on a pair of transmission connecting rods, a pair of connecting rod deflection rotating shafts are respectively arranged on the bearing and arranging frame, the pair of connecting rod deflection rotating shafts are respectively connected with a pair of transmission connecting rods, a pair of clamping push blocks are respectively arranged on a pair of transmission connecting rods through rotating shafts, and a pair of clamping push blocks are respectively provided with a buffer and decompression laminating assembly; It should be noted that, in the above, fix the mechanism base in the working position through a pair of arrangement retainer blocks and the linking flange mouth on them, afterwards place the cylindrical work piece that need press from both sides to carry out on buffering decompression laminating subassembly, the hydraulic push rod in the drive hydraulic system mounting groove stretches, and then make the transmission abnormal shape piece pushed, thereby make a pair of guide slot drive a pair of transmission push posts on the piece, and then make the transmission connecting rod rely on the connecting rod deflection pivot to deflect, and then make to press from both sides the push block and be close to each other, thereby make buffering decompression laminating subassembly with cylindrical work piece by closely press from both sides admittedly, the slipmat that sets up on the mechanism base can make whole fixture place more firm when the working position, the dustproof apron that sets up on the hydraulic system mounting groove can protect the hydraulic push rod in the hydraulic system mounting groove. Preferably, the buffer decompression attaching assembly comprises a pair of half-arc clamping blocks, a plurality of buffer springs and