Milling machine clamping mechanism suitable for machining workpieces with middle holes
A clamping mechanism and workpiece technology, which is applied to metal processing machinery parts, manufacturing tools, metal processing, etc., can solve problems such as clamp interference, excessive edge residue, and deformation of clamp clamps on the outer peripheral processing surface, so as to improve processing efficiency and simplify The effect of processing
Active Publication Date: 2021-12-21
IKD CO LTD
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Problems solved by technology
[0005] The above-mentioned milling machine adopts three-jaw fixtures and four-jaw fixtures to clamp aluminum die-casting parts with a cylindrical structure. When processing the processing surface of the outer peripheral part, it will be interfered by the fixture, and the outer peripheral processing surface is easily deformed by the clamp.
Moreover, the septum at the center through hole is punctured by the top and there are many remaining edges, which is not conducive to deburring in the later stage
Method used
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[0030] A preferred embodiment of the present invention will be described in detail below with reference to the drawings. Those skilled in the art will contribute only to the descriptive, exemplary, and should not be construed as limiting the scope of the invention.
[0031] It should be noted that similar references are similar in the drawings below, and therefore, once a certain term is defined in one bysertation, it may no longer be further defined and explained in the following drawings.
[0032] In the description of the present invention, it is to be described, the orientation or positional relationship of the indication of the term "upper", "lower", "inner", "outer", ",", based on the orientation or positional relationship shown in the drawings, or The orientation or positional relationship that is commonly placed during use is intended to facilitate the description of the present invention and simplified description, rather than indicating or implying that the device or com...
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The invention discloses a milling machine clamping mechanism suitable for processing a workpiece with a middle hole, comprising a positioning piece driven by a motor to rotate and a top contact piece driven by a cylinder; the positioning piece acts on one end of the workpiece and positions the workpiece on the milling machine, The top contact is used to push against the other end of the workpiece; the top contact includes a first-stage top cone used to pierce the middle hole of the workpiece and a second-level top cone stuck in the middle hole of the workpiece; the first-stage top cone includes the front The cone on the side and the cylinder on the back side; the second-stage top cone includes a frustum connected to the back side of the cylinder; the outer diameter of the cylinder matches the inner diameter of the middle hole of the workpiece so that the cylinder can penetrate into the middle of the workpiece Hole, the length of the cylinder is greater than the distance from the outer edge of the middle hole to the middle hole septum; the cone of the first-level top cone and the first cylinder pass through the middle hole in turn to remove the middle hole septum, and the frustum of the second-level top cone The outer peripheral surface of the center hole is against the edge of the hole to press the aluminum die casting to be processed on the positioning part.
Description
Technical field [0001] The present invention relates to the field of machining, and Background technique [0002] In automotive manufacturing, aluminum die castings are widely used, such as automotive gearbox housings, steering wheel housings, and the like. This includes an aluminum die-casting member having a cylindrical structure having a central via hole. This type of aluminum die casting is molded, and the corresponding mold is required, and the liquid aluminum is injected into the mold by a die-casting machine, and then taken out after cooling. After the take-out, the outer peripheral surface of the aluminum die casting is removed from the sheet, the slag package, and then put it in the milling machine to finish the outer peripheral surface. At the same time, such aluminum die-castings are also separated, requiring follow-up, and processed removal of residual burrs. [0003] The authorized bulletin number is CN206677218U CN206677218U CN20 milling machine, including the rack,...
Claims
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IPC IPC(8): B23Q3/08B23C9/00B23Q7/00B22D31/00
CPCB23Q3/08B23Q3/062B23C9/00B23Q7/00B22D31/00B23Q2703/04
Inventor 王奇应徐永王勋金尚伟涛吴柯良王培峰
Owner IKD CO LTD