Rotatable clamping device

By installing a T-block on the head of the hydraulic cylinder and controlling the angle using a rotating mechanism, combined with the design of a rack and pinion meshing with a spline shaft, the internal clamping problem of automated clamping equipment under space constraints is solved, realizing the flexible clamping and releasing function of parts.

CN120901870APending Publication Date: 2025-11-07辽宁轻工职业学院
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Patent Information

Application Number
CN202510926718.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

Existing automated clamping equipment cannot achieve internal clamping and fixation of parts in certain space-constrained situations, making it impossible to complete subsequent work.

Method used

The design employs a T-block mounted on the head of a hydraulic cylinder, and a rotating mechanism controls the angle of the T-block to clamp the components. Combining the design of a double-acting hydraulic cylinder and rotating components, the clamping and releasing functions are achieved by the meshing of a rack and pinion shaft, and the rotation of the hydraulic cylinder is controlled by an oil port.

Benefits of technology

It achieves flexible clamping inside the part, has a compact structure, strong adaptability, and can stably clamp and release the part within different angle ranges.

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    Figure CN120901870A_ABST
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Abstract

A rotatable clamping device is mainly composed of a double-acting hydraulic cylinder, a rotating component, a T-shaped block and a protective cover shell. A T-shaped block mounted at the head of the double-acting hydraulic cylinder is used for realizing an equipment clamping function; a tail shaft extends out of the tail portion of the T-shaped block, a spline is machined at the tail end of the T-shaped block, and meanwhile a rack capable of being meshed with the spline is installed in the rotating component in the direction perpendicular to the tail shaft and used for achieving the rotating function of the T-shaped block. The double-acting hydraulic cylinder can control the clamping and loosening functions and the rotating function of the T-shaped block through two oil ways respectively. The beneficial effects of the invention are that different rotation angles of the T-shaped block are realized by changing the modulus and length of the rack; the clamping device (T-shaped block) is compact in structure, convenient to clamp the interior of the workpiece and high in flexibility.
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Description

TECHNICAL FIELD

[0001] The present application is a device capable of rotating and clamping parts, belonging to the technical field of clamping automation equipment. BACKGROUND

[0002] In the field of automatic clamping, some clamping conditions are limited by space and cannot achieve external clamping function, so a clamping device is needed to clamp and fix the parts from the inside of the parts to complete the subsequent work.

[0003] The present application adopts a T-shaped block installed at the head of a hydraulic cylinder, and controls the angle of the T-shaped block through a rotating mechanism to realize the clamping of parts. SUMMARY

[0004] To achieve the above purpose, the technical scheme of the present application is as follows: The rotating clamping device is mainly composed of a double-acting hydraulic cylinder and a set of rotating parts, a T-shaped block is installed at the head of the hydraulic cylinder, the bottom of the hydraulic cylinder is provided with rotating parts, and the tail of the rotating parts is provided with a protective shell.

[0005] The T-shaped block installed at the head of the hydraulic cylinder is equivalent to a clamping jaw, which is used to realize the clamping function of the device.

[0006] The tail of the hydraulic cylinder extends a spline shaft end, and at the same time, a rack capable of engaging with the spline is installed inside the rotating part in a direction perpendicular to the tail shaft.

[0007] The hydraulic cylinder can realize clamping and loosening functions through two oil ports AB, and the rotating function of the T-shaped block of the hydraulic cylinder can be realized through two oil ports CD on the rotating part.

[0008] The present application achieves the following effects: (1) By changing the modulus and length of the rack, different rotation angle ranges of the T-shaped block are realized; (2) The clamping device (T-shaped block) has compact structure, is convenient for realizing internal clamping of workpieces, and has high flexibility; BRIEF DESCRIPTION OF DRAWINGS

[0009] The present application has 6 drawings: In the drawings: 01, T-shaped block, 02, hydraulic cylinder, 03, rotating part, 04, protective shell, 05, rack, 06, spline shaft, 07, fixed support, 08, workpiece; A, clamping oil port, B, loosening oil port, C, rotating oil port 1, D, rotating oil port 2.

[0010] Figure 1 is a perspective view of the rotating clamping device; Figure 1 Figure 2 is a sectional view of the rotating clamping device; Figure 3 is a perspective view of the rotating clamping device clamping a workpiece; Figure 2 Figure 4 is a sectional view of the rotating clamping device clamping a workpiece; Figure 5 is a perspective view of the rotating clamping device clamping a workpiece; and Figure 3The workpiece is released from the rotary clamp; Appendix Figure 4 The rotating clamp T-block is in a rotating state; Appendix Figure 5 The rotary clamp T-block is in the retracted state; Appendix Figure 6 The workpiece is in the released state; Appendix Figure 7 Top view of commonly used workpiece clamping parts; Detailed Implementation

[0011] The present invention will be further described below with reference to the accompanying drawings and examples.

[0012] The rotary clamp consists of a T-block 01, a hydraulic cylinder 02, a rotating component 03, a protective shell 04, a rack 05, and a splined shaft 06. Figure 1 As shown, after assembly, it is fixed on the fixed frame 07.

[0013] In actual operation, the top view of the commonly used clamping parts of workpiece 08 is as follows: Figure 7 As shown, since it is necessary to achieve the clamping function of rotating at different angles from inside the workpiece 08, the initial state of the clamping T-block 01 needs to be located inside the fixed bracket 07, as follows. Figure 6 As shown; when the part is placed in the clamping position, as Figure 5 As shown; oil is supplied through port B of hydraulic cylinder 02, and T-block 01 extends out, as... Figure 4 As shown; at this time, oil is injected into port C of the rotating component 03, and the T-block 01 achieves its rotation function through the meshing of the rack 05 and the spline shaft 06, as shown. Figure 3 As shown; when rotated to the specified angle, oil is injected into port A of hydraulic cylinder 02. The oil pressure depends on the clamping force requirements of different workpieces, and workpiece 08 is clamped, as shown. Figure 2 As shown.

[0014] When workpiece 08 is about to leave the clamping position, oil is supplied through port B of hydraulic cylinder 02, the clamping force is released, and T-block 01 is lifted and returns to its original position. Figure 3 State; then, oil is introduced through port D of rotating component 03, and T-block 01 rotates to the initial angle, as shown. Figure 4 As shown; oil is injected into port A of hydraulic cylinder 02, and T-block 01 retracts to its initial position, as... Figure 5 As shown; at this time, workpiece 08 is released and can be moved out, as... Figure 6 As shown.

Claims

1. A rotatable clamp mainly consisting of a double-acting hydraulic cylinder and a set of rotating parts, a T-shaped block is installed on the head of the hydraulic cylinder, the bottom of the hydraulic cylinder is equipped with rotating parts, and the tail of the rotating parts is equipped with a protective shell. Its characteristics are The head of the hydraulic cylinder is installed with a T-shaped block, which is equivalent to a clamping jaw to realize the clamping function of the device. The tail of the hydraulic cylinder is extended with a spline shaft end, and in the direction perpendicular to the tail shaft, the internal part of the rotating part is installed with a rack capable of engaging with the spline. The rotatable clamping device comprises a T-shaped block (01), a hydraulic cylinder (02), a rotating part (03), a protective shell (04), a rack (05), and a spline shaft (06).

2. A rotatable gripper according to claim 1, wherein The rotating part installed at the bottom of the hydraulic cylinder can realize different rotating angle ranges of the T-shaped block by changing the modulus and length of the rack under the normal working condition of the two oil ports of the CD.

3. The rotatable clamp of claim 1, wherein The clamping device (T-shaped block) has compact structure and high flexibility, and is convenient for realizing the internal clamping of the workpiece.