Milling, positioning and clamping device for cast automobile parts

Abstract

The utility model discloses a cast automobile part milling, positioning and clamping device which comprises a bottom plate, a vertical pipe and supporting plates, the vertical pipe is fixedly connected to the center of the upper portion of the bottom plate, the supporting plates are fixedly connected to the upper portion of the outer side wall, a limiting groove is formed between the symmetrical supporting plates, and the cast automobile part milling, positioning and clamping device further comprises a first air cylinder, a connecting plate, a limiting plate, a positioning assembly and a clamping assembly. The first air cylinder is arranged on the upper portion of the bottom plate, the connecting plate is fixedly connected to the telescopic end of the first air cylinder, the limiting plate is fixedly connected to the two sides of the bottom of the connecting plate, a screw hole is formed in the center of the upper wall of the connecting plate, the positioning assembly is in threaded connection in the screw hole, and the clamping assembly is arranged on the side wall of the side, away from the connecting plate, of the limiting plate. The utility model belongs to the technical field of automobile part machining, and particularly relates to a cast automobile part milling, positioning and clamping device which is used for milling the outer end face of a cast hub, is convenient for positioning and clamping the hub, is inserted into a central hole and a screw hole in the end face of the hub and is used for clamping the outer wall of the hub, so that the hub is limited by multiple degrees of freedom.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts processing, especially relates to a casting automobile part milling positioning and clamping device. BACKGROUND

[0002] The casting wheel hub is a manufacturing process of automobile wheel hub, which adopts molten metal and injects the molten metal into a wheel mold, cools in the mold and forms the wheel hub. Compared with the forged wheel hub, the casting wheel hub has lower production cost and higher production efficiency.

[0003] In order to make the wheel hub more beautiful, the outer end face of the wheel hub is milled to increase the brightness of the wheel hub. When milling the wheel hub, it needs to be fixed by a special clamp. The existing clamping device realizes clamping by moving towards both sides. The clamping force is too large, which can easily deform the wheel hub. Rigid contact can scratch the wheel hub, reduce the production efficiency and the positioning effect is general. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of reducing the rigid contact of the wheel hub and the clamping device, increasing the multiple degree-of-freedom limiting of the wheel hub, avoiding the deformation of the wheel hub caused by the single clamping force being too large and being suitable for the positioning and clamping of wheel hubs with different widths and diameters.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a casting automobile part milling positioning and clamping device, which comprises a bottom plate, a stand pipe and a supporting plate, the stand pipe is fixedly connected to the upper center of the bottom plate, the supporting plate is fixedly connected to the upper part of the outer side wall, the supporting plates are symmetrically arranged, and a limiting groove is formed between the symmetric supporting plates, further comprising a cylinder one, a connecting plate, a limiting plate, a positioning assembly and a clamping assembly, the cylinder one is arranged on the upper part of the bottom plate, the cylinder one is located in the stand pipe, the connecting plate is fixedly connected to the telescopic end of the cylinder one, the limiting plate is fixedly connected to the bottom of the connecting plate on both sides, the limiting plate is symmetrically arranged with the stand pipe as the center, the limiting plate is arranged in the shape of U, a screw hole is formed in the center of the upper wall of the connecting plate, the positioning assembly is screw-connected in the screw hole, and the clamping assembly is arranged on the side wall of the limiting plate away from the connecting plate.

[0006] Further, the clamping assembly comprises a cylinder two and an air bag, the cylinder two is installed on the outer side wall of the side of the limiting plate away from the connecting plate, the telescopic end of the cylinder two is arranged between the opposite inner side walls of the limiting plate through the outer side wall of the limiting plate, the air bag is fixedly connected to the telescopic end of the cylinder two, the air bag is connected with the inflation pipe at the bottom, the side wall of the air bag connected with the telescopic end of the cylinder two is provided with a sliding rod, and the sliding rod is arranged in the side wall of the limiting plate close to the cylinder two through the limiting plate.

[0007] Further, the positioning assembly comprises a stud, a push plate, an auxiliary rod and a positioning rod, the bottom of the stud is threadedly connected in a threaded hole, the push plate is fixedly connected on the upper part of the stud, the positioning rod is arranged at the center of the upper wall of the push plate, the auxiliary rod is fixedly connected at the edge of the upper wall of the push plate, and the auxiliary rod is arranged in a ring shape and uniformly spaced around the positioning rod.

[0008] Further, the upper part of the bottom plate is provided with an air pump, the air outlet end of the air pump is connected with a pressure box, and the pressure box is connected with the inflation tube through a pipeline.

[0009] Further, the upper part of the supporting plate is provided with a non-slip pad, and the non-slip pad is a rubber non-slip pad.

[0010] Further, the end face edge of the bottom plate is provided with a fixing hole.

[0011] After the above structure is adopted, the beneficial effects of the present application are as follows: for the milling machining of the outer end face of the cast hub, the hub is conveniently positioned and clamped, the positioning assembly is driven to ascend and descend by the cylinder I, the positioning assembly is inserted into the central hole and the threaded hole of the hub end face, the hub is positioned and clamped by the limiting plates in the sliding groove which ascend and descend synchronously through the symmetrical clamping assemblies, the multiple degrees of freedom of the hub are limited, the rigid contact with the outer lateral wall of the hub is avoided, and the positioning and clamping effects are increased. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application.

[0013] Figure 1 A schematic diagram of the overall structure of the casting automobile part milling positioning and clamping device is provided for the present application;

[0014] Figure 2 A semi-sectional view of the casting automobile part milling positioning and clamping device is provided for the present application;

[0015] Figure 3 A limiting plate structure schematic diagram of the casting automobile part milling positioning and clamping device is provided for the present application.

[0016] In the drawings: 1, bottom plate, 2, vertical pipe, 3, supporting plate, 4, limiting groove, 5, cylinder I, 6, connecting plate, 7, limiting plate, 8, positioning assembly, 9, clamping assembly, 10, threaded hole, 11, cylinder II, 12, air bag, 13, inflation tube, 14, sliding rod, 15, stud, 16, push plate, 17, auxiliary rod, 18, positioning rod, 19, air pump, 20, pressure box, 21, non-slip pad, 22, fixing hole. DETAILED DESCRIPTION

[0017] As Figures 1-3 shown, a casting automobile parts milling positioning clamping device, it includes the bottom plate 1, the vertical tube 2 and the backing plate 3, the vertical tube 2 fixedly connected in the upper center of the bottom plate 1, the backing plate 3 fixedly connected on the upper part of the outer side wall, the backing plate 3 is symmetrically arranged, the limiting groove 4 is formed between the symmetric backing plate 3, it also includes the cylinder 5, the connecting plate 6, the limiting plate 7, the positioning assembly 8 and the clamping assembly 9, the cylinder 5 is arranged on the upper part of the bottom plate 1, the cylinder 5 is located in the vertical tube 2, the connecting plate 6 is fixedly connected to the telescopic end of the cylinder 5, the limiting plate 7 is fixedly connected to the bottom of both sides of the connecting plate 6, the limiting plate 7 is symmetrically arranged with the vertical tube 2 as the center, the limiting plate 7 is arranged in the form of U, the screw hole 10 is formed in the upper wall center of the connecting plate 6, the positioning assembly 8 is screw-connected in the screw hole 10, the clamping assembly 9 is arranged on the side wall of the limiting plate 7 away from the connecting plate 6, the hub is placed through the backing plate 3, the hollow end of the hub is downward, the outer side wall of the hub is sleeved inside the symmetric limiting plate 7, the positioning assembly 8 is inserted into the center hole of the hub end face and the screw hole 10 to realize positioning through the cylinder driving positioning assembly 8 lifting adjustment, the symmetric clamping assembly 9 is matched to clamp the outer side wall of the hub, realizing the positioning and clamping of the hub.

[0018] As Figure 1 and Figure 2 shown, in order to increase the positioning effect of the hub, realize the multiple degree of freedom restriction of the hub, make the hub only move upward, the positioning assembly 8 includes the stud 15, the push plate 16, the auxiliary rod 17 and the positioning rod 18, the bottom of the stud 15 is screw-connected in the screw hole 10, the push plate 16 is fixedly connected to the upper part of the stud 15, the positioning rod 18 is arranged on the upper wall center of the push plate 16, the auxiliary rod 17 is fixedly connected to the upper wall edge of the push plate 16, the auxiliary rod 17 is arranged in the form of ring and uniformly spaced with the positioning rod 18 as the center, the push plate 16 is supported to rise at the center of the inner end face of the hub through the cylinder 5 extension, at the same time, the positioning rod 18 is inserted into the center hole of the hub end face, the auxiliary rod 17 is inserted into the screw hole 10 of the hub end face, realizing the degree of freedom restriction of the hub in front and back, left and right and rotation.

[0019] As Figure 2As shown, in order to achieve further fixation of the hub, the clamping assembly 9 comprises a cylinder two 11 and a gas bag 12, the cylinder two 11 is installed on the outer side wall of the limiting plate 7 away from the connecting plate 6, the telescopic end of the cylinder two 11 is slidably arranged between the opposite inner side walls of the limiting plate 7, the gas bag 12 is fixedly connected to the telescopic end of the cylinder two 11, the bottom of the gas bag 12 is connected with an inflation pipe 13, the side wall of the gas bag 12 connected with the telescopic end of the cylinder two 11 is provided with a slide rod 14, the slide rod 14 is slidably arranged in the side wall of the limiting plate 7 close to the cylinder two 11, the upper portion of the bottom plate 1 is provided with a gas pump 19, the outlet end of the gas pump 19 is connected with a pressure box 20, the pressure box 20 is connected with the inflation pipe 13 through a pipeline, the cylinder two 11 is driven to extend, so that the gas bag 12 is close to the outer side wall of the hub, and the gas pump 19 is started, the gas pump 19 inflates the gas bag 12 to expand, so that the gas bag 12 is in flexible contact with the hub, the hub is clamped, and the cylinder one 5 is retracted to realize that the gas bag 12 presses down the bottom of the outer side wall of the hub.

[0020] Wherein, the upper portion of the supporting plate 3 is provided with a non-slip pad 21, the non-slip pad 21 is a rubber non-slip pad 21, the end face edge of the bottom plate 1 is provided with a fixing hole 22, the non-slip pad 21 is flexibly supported on the hub, and the friction with the hub is increased, and the fixing hole 22 is used for fixing the milling machine processing table.

[0021] In specific use, the operator places the hollow end of the hub downward on the non-slip pad 21 of the supporting plate 3, in the initial state, the cylinder one 5 is in the retracted state, the cylinder is driven to extend, the positioning assembly 8, the limiting plate 7 and the clamping assembly 9 are synchronously raised, so that the outer side wall of the hub is located in the symmetrical limiting plate 7, the positioning rod 18 is inserted into the center hole of the end face of the hub, and the auxiliary rod 17 is inserted into the end face screw hole 10 of the hub, so that the hub is positioned in multiple directions, the lengths of the positioning rod 18 and the auxiliary rod 17 are controlled, and the length exceeding the end face of the hub is avoided, and the machining is affected.

[0022] The cylinder two 11 is driven to extend, so that the gas bag 12 contacts the outer side wall of the hub, the gas pump 19 inflates the gas bag 12, the gas bag 12 is expanded, the clamping force is increased, and the deformation of the gas bag 12 is reduced, the cylinder one 5 is driven to retract, so that the gas bag 12 presses down the bottom of the outer side wall of the hub, and the positioning and clamping of the hub are realized.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the utility model, the similar structure mode and embodiments of the technical scheme are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A milling positioning and clamping device for cast automotive parts, comprising a base plate, a riser, and a support plate, wherein the riser is fixedly connected to the upper center of the base plate, the support plate is fixedly connected to the upper part of the outer side wall, the support plates are symmetrically arranged, and a limiting groove is formed between the symmetrical support plates, characterized in that: Still include cylinder one, connecting plate, limit plate, positioning assembly and clamping assembly, cylinder one is located in the stand pipe, the connecting plate is fixedly connected to the telescopic end of cylinder one, the limit plate is fixedly connected to both sides of the bottom of the connecting plate, the limit plate is symmetrically arranged with the stand pipe as the center, the limit plate is arranged in U shape, a screw hole is formed in the center of the upper wall of the connecting plate, the positioning assembly is screw connected in the screw hole, the clamping assembly is arranged on the side wall of the limit plate away from the connecting plate.

2. A fixture for casting and milling of automotive parts as claimed in claim 1 wherein: The clamping assembly includes a cylinder two and an air bag, the cylinder two is installed on the outer side wall of the limit plate away from the connecting plate, the telescopic end of the cylinder two is arranged between the opposite inner side walls of the limit plate, the air bag is fixedly connected to the telescopic end of the cylinder two, the air bag is connected with the inflation pipe, the side wall of the air bag connected with the telescopic end of the cylinder two is provided with a sliding rod, and the sliding rod is arranged in the side wall of the limit plate close to the cylinder two.

3. A fixture for casting and milling of automotive parts as claimed in claim 1 wherein: The positioning assembly includes a stud, a push plate, an auxiliary rod and a positioning rod, the bottom of the stud is screw connected in the screw hole, the push plate is fixedly connected to the upper part of the stud, the positioning rod is arranged on the center of the upper wall of the push plate, the auxiliary rod is fixedly connected to the edge of the upper wall of the push plate, and the auxiliary rod is arranged in a ring shape and uniformly spaced with the positioning rod as the center.

4. A fixture for casting automotive parts as claimed in claim 1 wherein: The upper part of the bottom plate is provided with an air pump, the air outlet end of the air pump is connected with a pressure box, and the pressure box is connected with the inflation pipe through a pipeline.

5. A fixture for casting automotive parts as claimed in claim 1 wherein: The upper part of the supporting plate is provided with a non-slip pad, and the non-slip pad is made of rubber material.

6. A fixture for casting automotive parts as claimed in claim 1 wherein: The end face of the bottom plate is provided with a fixing hole.

Images