CN-224209517-U - Quick positioning four-axis clamp for steering knuckle machining

CN224209517UCN 224209517 UCN224209517 UCN 224209517UCN-224209517-U

Abstract

The utility model discloses a quick positioning four-axis clamp for steering knuckle machining, which comprises a bridge plate; a cushion block is arranged below the bridge plate, a speed regulating valve seat is arranged above the bridge plate, an oil inlet speed regulating valve is arranged on the speed regulating valve seat, and a positioning structure, a pressing structure and a locking structure are arranged above the bridge plate; when the steering knuckle blank positioning device is used, the steering knuckle blank is placed on the profiling positioning block, the profiling positioning block is attached to the end face of the steering knuckle support arm, the central hole of the blank penetrates through the first lever pressing plates, the diamond pin is embedded into the slotted hole of the steering knuckle blank, coarse positioning of the blank is achieved, then the first lever cylinder, the second lever cylinder and the corner cylinder are simultaneously opened, the corresponding first lever pressing plates, the second lever pressing plates, the first corner pressing plates and the second corner pressing plates can be driven to be pressed on the surface of the steering knuckle blank, rapid positioning and locking of the steering knuckle blank are achieved, and therefore frequent manual operation locking is not needed, and repeated positioning accuracy is improved.

Inventors

ZHAO XUANPU
CHENG GUANGLEI
WANG KANGWEI

Assignees

湖北古特莱克精密机械有限公司

Dates

Publication Date: 20260508
Application Date: 20250604

Claims (4)

1. The quick positioning four-axis clamp for machining the steering knuckle comprises a bridge plate (100) and is characterized in that a cushion block (101) is arranged below the bridge plate (100), a speed regulating valve seat (102) is arranged above the bridge plate (100), an oil inlet speed regulating valve (103) is arranged on the speed regulating valve seat (102), and a positioning structure, a pressing structure and a locking structure are arranged above the bridge plate (100); The positioning structure comprises a profiling positioning block seat (200), wherein the profiling positioning block seat (200) is arranged above the bridge plate (100), and a profiling positioning block (201) is detachably arranged on the profiling positioning block seat (200); The pressing structure comprises a center seat (202), wherein the center seat (202) is arranged above a bridge plate (100), a first lever cylinder (213) is arranged on the center seat (202), a joint (203) is arranged at the telescopic end of the first lever cylinder (213), three first lever pressing plates (204) are rotatably arranged on the joint (203), one sides of the three first lever pressing plates (204) are rotatably provided with a first connecting rod (205), one ends of the three first connecting rods (205) are rotatably provided with connecting seats (206), and the three connecting seats (206) are all arranged on the first lever cylinder (213); The locking structure comprises two mounting seats (300), a lever cylinder II (301) is mounted in the mounting seats (300), a lever pressing plate II (302) is mounted at the telescopic end of the lever cylinder II (301) in a rotating mode, a connecting rod II (303) is mounted on the lever pressing plate II (302) in a rotating mode, one end of the connecting rod II (303) is mounted on the lever cylinder II (301) in a rotating mode, a flange supporting cylinder I (305) is mounted in the mounting seats (300), and a supporting cylinder top I (306) is mounted on the flange supporting cylinder I (305).
2. The quick positioning four-axis clamp for steering knuckle machining is characterized in that the positioning structure further comprises a CSY06 supporting cylinder seat (207) and a pin seat (211), wherein the CSY06 supporting cylinder seat (207) and the pin seat (211) are arranged above the bridge plate (100), a supporting cylinder (208) is arranged on the CSY06 supporting cylinder seat (207), a flat-head muffler (209) and a CSY06 supporting head (210) are arranged on the supporting cylinder (208), and a diamond pin (212) is arranged on the pin seat (211).
3. The quick positioning four-axis clamp for steering knuckle machining is characterized in that the locking structure further comprises four corner cylinders (400), the four corner cylinders (400) are symmetrically arranged on the bridge plate (100), two first corner pressing plates (401) and two second corner pressing plates (402) are respectively arranged at telescopic ends of the four corner cylinders (400), a support cylinder mounting plate (405) is arranged below the bridge plate (100), four second flange support cylinders (403) are symmetrically arranged on the support cylinder mounting plate (405), the four second flange support cylinders (403) are all arranged inside the bridge plate (100), and support cylinder jacking heads (404) are all arranged on the four second flange support cylinders (403).
4. The quick positioning four-axis clamp for machining a steering knuckle according to claim 3, wherein the lever pressing plate II (302), the corner pressing plate I (401) and the corner pressing plate II (402) are respectively provided with a moving steel ball screw rod (304).

Description

Quick positioning four-axis clamp for steering knuckle machining Technical Field The utility model relates to the technical field of numerical control machining of automobile parts, in particular to a quick positioning four-axis clamp for machining a steering knuckle. Background The steering knuckle four-axis clamp is a machine tool clamp specially designed for machining an automobile steering knuckle, can realize multi-angle positioning and clamping, and is suitable for precision machining of complex space special-shaped pieces such as the steering knuckle. In the prior art, when processing steering angle blank, need to utilize four-axis fixture to add to hold fixedly, but current four-axis fixture relies on many bolts manual locking, leads to clamping work piece needs to consume a large amount of time, and appears the inconsistent condition of different position locking dynamics easily, and when many times location, actual position and target position's deviation are great, influence the precision of repetition location, consequently need a steering knuckle processing to use quick positioning four-axis fixture to satisfy people's demand. Disclosure of utility model The utility model aims to provide a quick positioning four-axis clamp for knuckle machining, which aims to solve the problems that the four-axis clamp provided in the background art relies on manual locking of multiple bolts, so that a lot of time is consumed for clamping a workpiece, and the deviation between an actual position and a target position is large and the accuracy of repeated positioning is influenced during repeated positioning. The quick positioning four-axis clamp for machining the steering knuckle comprises a bridge plate, wherein a cushion block is arranged below the bridge plate, a speed regulating valve seat is arranged above the bridge plate, an oil inlet speed regulating valve is arranged on the speed regulating valve seat, and a positioning structure, a pressing structure and a locking structure are arranged above the bridge plate. Preferably, the positioning structure comprises a profiling positioning block seat, wherein the profiling positioning block seat is arranged above the bridge plate, and a profiling positioning block is detachably arranged on the profiling positioning block seat. Preferably, the positioning structure further comprises a CSY06 supporting cylinder seat and a pin seat, wherein the CSY06 supporting cylinder seat and the pin seat are both arranged above the bridge plate, a supporting cylinder is arranged on the CSY06 supporting cylinder seat, a flat-head silencer and a CSY06 supporting head are arranged on the supporting cylinder, and a diamond pin is arranged on the pin seat. Preferably, the pressing structure comprises a center seat, the center seat is arranged above the bridge plate, a first lever cylinder is arranged on the center seat, a connector is arranged at the telescopic end of the first lever cylinder, three first lever pressing plates are rotatably arranged on the connector, one sides of the three first lever pressing plates are rotatably provided with a first connecting rod, one ends of the three first connecting rods are rotatably provided with connecting seats, and the three connecting seats are arranged on the first lever cylinder. Preferably, the locking structure comprises two mounting seats, a lever cylinder II is mounted in the mounting seats, a lever pressing plate II is rotatably mounted at the telescopic end of the lever cylinder II, a connecting rod II is rotatably mounted on the lever pressing plate II, one end of the connecting rod II is rotatably mounted on the lever cylinder II, a flange supporting cylinder I is mounted in the mounting seats, and a supporting cylinder top I is mounted on the flange supporting cylinder I. Preferably, the locking structure further comprises four corner cylinders, the four corner cylinders are symmetrically arranged on the bridge plate, the telescopic ends of the four corner cylinders are respectively provided with two first corner pressing plates and two second corner pressing plates, the supporting cylinder mounting plate is arranged below the bridge plate, the four flange supporting cylinders are symmetrically arranged on the supporting cylinder mounting plate, the four flange supporting cylinders are all arranged in the bridge plate, and the four flange supporting cylinders are all provided with supporting cylinder tops. Preferably, the lever pressing plate II, the corner pressing plate I and the corner pressing plate II are respectively provided with a moving steel ball screw. Compared with the prior art, the utility model has the beneficial effects that: (1) When the steering knuckle blank positioning device is used, the steering knuckle blank is placed on the profiling positioning block, the profiling positioning block is attached to the end face of the steering knuckle support arm, the central hole of the blank penetrates through the