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CN-224222723-U - Knuckle die closing device with high-precision positioning function

CN224222723UCN 224222723 UCN224222723 UCN 224222723UCN-224222723-U

Abstract

The utility model relates to the technical field of knuckle molds, in particular to a knuckle mold clamping device with a high-precision positioning function, which comprises a clamping mechanism, wherein the clamping mechanism comprises a fixed mold, one side of the fixed mold is provided with a connecting rod, one side of the fixed mold is fixedly connected with one end of the connecting rod, the other end of the connecting rod is provided with a lock rod, when the screw rod rotates, a movable arm starts to change an angle and finally presents in a horizontal form, in the process, a rectangular frame connected with one end of the movable arm moves downwards at the inner side of a base, and due to the change of the position of the rectangular frame, an external force is caused to the bottom end of the lock rod due to an inclined plane in the downward movement process of an extrusion plate, and then the lock rod changes an angle, the top end of the lock rod enters a concave plate in the changing process, and the fixed mold is structurally connected with the movable mold in a rapid mode.

Inventors

  • MA QINJIAN
  • LI QI
  • YUE JUN

Assignees

  • 宁波勤杰模具有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (8)

  1. 1. The steering knuckle die clamping device with the high-precision positioning function is characterized by comprising a clamping mechanism (1), an auxiliary mechanism (2) is arranged on the inner side of the clamping mechanism (1), the clamping mechanism (1) comprises a fixed die (11), a connecting rod (12) is arranged on one side of the fixed die (11), one side of the fixed die (11) is fixedly connected with one end of the connecting rod (12), a locking rod (13) is arranged at the other end of the connecting rod (12), the other end of the connecting rod (12) is rotatably connected with the inner wall of the middle end of the locking rod (13), a concave plate (14) is arranged at the top end of the locking rod (13), the top end of the locking rod (13) is rotatably clamped with the inner side of the concave plate (14), an extrusion plate (16) is arranged at the bottom end of the locking rod (13), and the inclined surface of the extrusion plate (16) are in sliding contact.
  2. 2. The knuckle die clamping device with the high-precision positioning function according to claim 1, wherein the auxiliary mechanism (2) comprises a fixing frame (21), one end of the fixing frame (21) is provided with a roller (22), one end of the fixing frame (21) is rotatably connected with the middle end of the roller (22), the outer side of the roller (22) is provided with a base (116), the outer side of the roller (22) is rotatably contacted with the inner side of the base (116), the other end of the fixing frame (21) is provided with a rectangular frame (114), and the other end of the fixing frame (21) is fixedly connected with one side of the rectangular frame (114).
  3. 3. The knuckle die clamping device with the high-precision positioning function according to claim 2, wherein a side plate (17) is arranged on one side of the lock rod (13), one side of the lock rod (13) is fixedly connected with one end of the side plate (17), an elastic piece (18) is arranged on the other end of the side plate (17), the other end of the side plate (17) is fixedly connected with one end of the elastic piece (18), and the other end of the elastic piece (18) is fixedly connected with one side of the fixed die (11).
  4. 4. The knuckle mold clamping device with a high-precision positioning function according to claim 3, wherein the bottom side of the fixed mold (11) is fixedly connected with the top side of the base (116), one end of the base (116) is provided with a sub-plate (19), one end of the base (116) is fixedly connected with one end of the sub-plate (19), one end inner side of the sub-plate (19) is provided with a first disc (110), and one end inner side of the sub-plate (19) is rotatably connected with one side of the first disc (110).
  5. 5. The knuckle die clamping device with the high-precision positioning function according to claim 4, wherein a screw rod (111) is arranged on the inner wall of the first disc (110), the inner wall of the first disc (110) is in threaded rotation connection with the outer side of the screw rod (111), a second disc (113) is arranged at the bottom end of the screw rod (111), the bottom end of the screw rod (111) is in rotational connection with the center of the second disc (113), a movable arm (112) is arranged on one side of the second disc (113), and one side of the second disc (113) is in rotational connection with the inner side of one end of the movable arm (112).
  6. 6. The knuckle mold clamping device with high-precision positioning function as set forth in claim 5, wherein a middle end of the movable arm (112) is rotatably connected with an end of a bottom side of the base (116), and an end of the movable arm (112) is rotatably connected with a middle end of the rectangular frame (114).
  7. 7. The knuckle mold clamping device with high-precision positioning function as set forth in claim 6, wherein the top side of the rectangular frame (114) is fixedly connected with one end of the bottom side of the extrusion plate (16), and one end of the bottom side of the extrusion plate (16) is in penetrating sliding connection with the inner wall of the base (116).
  8. 8. The knuckle mold clamping device with the high-precision positioning function according to claim 7, wherein a positioning frame (115) is arranged on the inner wall of the top end of the fixed mold (11), the inner wall of the top end of the fixed mold (11) is in fit contact with the outer side of the positioning frame (115), a movable mold (15) is arranged on the top end of the positioning frame (115), the top end of the positioning frame (115) is fixedly connected with the bottom side of the movable mold (15), and the bottom side of the movable mold (15) is in corresponding contact with the top end of the fixed mold (11).

Description

Knuckle die closing device with high-precision positioning function Technical Field The utility model relates to the technical field of knuckle molds, in particular to a knuckle mold clamping device with a high-precision positioning function. Background The knuckle is a core component in an automobile chassis system, is similar to a claw, and is a key pivot for connecting wheels, a suspension and a steering system. It mainly comprises upper and lower fork lugs, shaft necks and other structures, generally, the steel is forged by medium carbon steel or alloy steel, and has high strength and toughness after heat treatment strengthening. In the running process of the vehicle, the steering knuckle not only bears the weight of the vehicle body, the wheels and other parts, but also bears complex loads from the road surface, including vertical force, driving force, braking force and lateral force, and meanwhile, through the cooperation with the steering pull rod and the kingpin, the action of turning the steering wheel by a driver is converted into the steering angle of the wheels, so that the steering function of the vehicle is realized. The performance of the automobile steering device is directly related to the control stability and the running safety of the automobile, and the automobile steering device is a basic guarantee for realizing flexible steering and reliable bearing of the automobile. In the prior art, the steering knuckle is manufactured by a specific die, and the steering knuckle can be precisely shaped and performance enhanced by the die. In the aspect of shaping, the die provides a formed space carrier for the liquid or semi-solid metal raw material, and in the aspect of performance enhancement, the temperature control and cooling system design of the die can influence the crystallization process of the metal raw material, and the reasonable die temperature control can refine the grain structure and improve the strength and toughness of the steering knuckle; However, in the process of shaping, the fixed die and the movable die are usually required to be clamped, while in the process of clamping, the movable die and the fixed die are connected in a bolt mode, and if the bolts are used for clamping, the screwing and disassembling processes of the bolts need to be operated one by means of tools such as a spanner, the time for single clamping and disassembling is long, the production rhythm is severely restricted, the efficiency requirement of mass production of automobile parts is difficult to meet, meanwhile, the connection precision and stability are poor, the strength of manually tightening the bolts is difficult to keep consistent, local stress of the die is easy to be uneven, clamping gap deviation is caused, and the size of the steering knuckle is out of tolerance. Disclosure of utility model The application aims to solve the technical problem that after a fixed die is clamped by a movable die, structural connection is generated between the fixed die and the fixed die in a quick mode. In order to solve the technical problems, the embodiment of the application provides a steering knuckle die clamping device with a high-precision positioning function, which comprises a clamping mechanism, wherein an auxiliary mechanism is arranged on the inner side of the clamping mechanism, the clamping mechanism comprises a fixed die, a connecting rod is arranged on one side of the fixed die, one side of the fixed die is fixedly connected with one end of the connecting rod, a lock rod is arranged on the other end of the connecting rod, the other end of the connecting rod is rotatably connected with the inner wall of the middle end of the lock rod, a concave plate is arranged at the top end of the lock rod, the top end of the lock rod is rotatably clamped with the inner side of the concave plate, an extrusion plate is arranged at the bottom end of the lock rod, and the bottom end of the lock rod is in sliding contact with an inclined plane of the extrusion plate. In some embodiments, the auxiliary mechanism comprises a fixing frame, one end of the fixing frame is provided with a roller, one end of the fixing frame is rotationally connected with the middle end of the roller, the outer side of the roller is provided with a base, the outer side of the roller is rotationally contacted with the inner side of the base, the other end of the fixing frame is provided with a rectangular frame, and the other end of the fixing frame is fixedly connected with one side of the rectangular frame. In some embodiments, a side plate is arranged on one side of the lock rod, one side of the lock rod is fixedly connected with one end of the side plate, an elastic piece is arranged on the other end of the side plate, the other end of the side plate is fixedly connected with one end of the elastic piece, and the other end of the elastic piece is fixedly connected with one side of the fixed die. In some embodiments, the bottom side of c