Aluminum alloy hub casting high-temperature-resistant buffering material receiving disc

Abstract

The utility model relates to a high-temperature-resistant buffering material receiving disc for aluminum alloy hub casting, which belongs to the technical field of hub casting, is matched with a cast hub blank for use, and comprises a composite high-temperature-resistant buffering layer, a limiting tray, a buffering spring, a limiting sliding rod, a bottom support and the cast hub blank, the utility model discloses a composite high temperature resistant buffer layer and spring buffer layer play the double buffer effect, has greatly relieved the impact between casting and receiving tray, has improved the safety of casting, has reduced the production cost, has reduced the production efficiency, has reduced the production cost, has reduced the production cost, has improved the production efficiency, has reduced the production cost, has reduced the production cost, has reduced the production cost, has improved the production efficiency, has reduced the production cost, and has reduced the production cost. Therefore, deformation caused by impact between a casting and the material receiving disc is greatly reduced, gravity impact during demolding of the hub can be effectively reduced, process rings of cast hub blanks are prevented from being knocked, the blanks are prevented from being deformed, and meanwhile the device is safe, reliable, simple in structure, convenient to operate and convenient to maintain daily.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the wheel hub casting technical field, especially an aluminium alloy wheel hub casting high temperature resistance buffering receiving tray. BACKGROUND

[0002] The existing aluminium alloy wheel hub casting production process uses the tray for aluminium metal tray + spring buffering structure, and the aluminium alloy wheel hub blank directly contacts the aluminium tray in the demoulding falling process, although there is spring buffering below, since the wheel hub casting is heavy, high in temperature and low in strength, the aluminium alloy wheel rim of the automobile wheel hub is aluminium alloy product, low in hardness, and the casting temperature is high after being casted, and the hardness is even lower, and the hardness of steel is far more than that of the aluminium alloy casting, so when the casting falls on the receiving tray, the receiving tray is easy to be hurt, causes subsequent repair or scrap, makes the blank jump greatly in the rotating process after being clamped in the next vehicle machining procedure, and the product surface is not smooth, the dynamic balance qualified rate is low, and the bead seat jump size is out of tolerance and other quality defects. The surface temperature of the casting wheel hub can reach above 400 DEG C when demoulding, and the maximum temperature resistance of the commonly used high temperature resistance elastic rubber material is about 200 DEG C, and the scheme of directly increasing the high temperature resistance elastic rubber pad on the existing aluminium tray cannot meet the production requirement.

[0003] In order to solve the above problems, an aluminium alloy wheel hub casting high temperature resistance buffering receiving tray is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of aluminium alloy wheel hub casting high temperature resistance buffering receiving tray, and by setting up withstanding high temperature buffer layer, high temperature wheel hub just produced can be received, while the outer surface of high temperature wheel hub is protected, and the above technical problems existing in prior art are solved by the device.

[0005] The utility model discloses a kind of aluminium alloy wheel hub casting high temperature resistance buffering receiving tray, entire receiving tray is circular structure, and is used in cooperation with casting wheel hub blank, comprising: composite high temperature resistance buffer layer, limit tray, buffer spring, limit slide bar and bottom support, the composite high temperature resistance buffer layer is placed in the upper limit tray, the limit tray is fixedly connected with limit slide bar below, the limit slide bar is equipped with buffer spring outside, and the lower edge is fixedly connected through nut after the limit slide bar below passes through bottom support.

[0006] Preferably, the composite high temperature resistance buffer layer is circular structure, and the composite high temperature resistance buffer layer includes metal net, asbestos pad and elastic rubber pad, the metal net is laid on the upper asbestos pad, the asbestos pad is laid on the upper elastic rubber pad, and the metal net is dense and soft structure.

[0007] Preferably, the metal mesh, the asbestos pad, the elastic rubber pad are provided with a round hole, the round hole diameter is less than the diameter of the cast wheel hub, and the round hole diameter is greater than the diameter of the wheel hub casting sprue.

[0008] Preferably, the limiting tray is provided with a fence along the outer edge.

[0009] Preferably, the bottom support comprises a movable arm and a support plate, the support plate is fixedly connected to the front end of the movable arm, the support plate is in a disc type structure, the support plate is provided with a circular through hole, and the through hole is located in a position corresponding to the position of the limiting slide rod.

[0010] Beneficial effects

[0011] The aluminum alloy wheel hub casting high-temperature-resistant buffering receiving disc can effectively solve the problem of high-temperature resistance of the receiving disc, and the asbestos pad in the composite high-temperature-resistant buffering layer plays a high-temperature-resistant role, and the dense and soft metal mesh is used to protect the asbestos pad, and the elastic rubber pad below plays a buffering role on the falling of the cast wheel hub blank.

[0012] The composite high-temperature-resistant buffering layer and the spring buffering layer play a double buffering role, greatly relieve the impact between the casting and the receiving disc, thereby greatly reducing the deformation caused by the impact between the casting and the receiving disc, can effectively reduce the gravity impact when the wheel hub is demoulded, avoid the process ring of the cast wheel hub blank being scratched and the blank being deformed, and the utility model is safe and reliable, simple in structure, convenient to operate and easy to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without paying creative labor.

[0014] Figure 1 It is the front view of the aluminum alloy wheel hub casting high-temperature-resistant buffering receiving disc.

[0015] In the drawing: 1 metal mesh, 2 asbestos pad, 3 elastic rubber pad, 4 limiting tray, 5 buffering spring, 6 limiting slide rod, 7 bottom support, 8 cast wheel hub blank, 9 round hole, 10 movable arm, 11 support plate DETAILED DESCRIPTION

[0016] The utility model discloses an aluminium alloy wheel hub casting high temperature resistance buffering receiving tray, whole receiving tray is circular structure, with casting wheel hub blank cooperation uses, include: compound high temperature resistance buffer layer, spacing tray 4, buffering spring 5, spacing slide rod 6, bottom support 7 and casting wheel hub blank 8, compound high temperature resistance buffer layer and spacing tray 4 are circular structure and diameter is greater than casting wheel hub blank 8 diameter, compound high temperature resistance buffer layer is placed in spacing tray 4, spacing tray 4 below fixedly connected with spacing slide rod 6, the outside of spacing slide rod 6 is equipped with buffering spring 5, and buffering spring 5 is located between spacing tray 4 and bottom support 7 and plays a buffering effect, and spacing slide rod 6 below passes through bottom support 7 and is connected through the nut afterwards.

[0017] In some embodiments, the compound high temperature resistance buffer layer is circular structure, and is used in cooperation with the casting wheel hub blank, the compound high temperature resistance buffer layer includes metal net 1, asbestos pad 2 and elastic rubber pad 3, the metal net 1 is laid on the asbestos pad 2, the asbestos pad 2 is laid on the elastic rubber pad 3, the metal net 1 is dense and soft structure, increases the service life of high temperature resistance asbestos pad 2, the asbestos pad 2 insulates the heat of the casting wheel hub blank 8, and the outer circle of the compound high temperature resistance buffer layer structure is fixed by using metal wire stitching.

[0018] In some embodiments, the metal net 1, the asbestos pad 2, the elastic rubber pad 3 are provided with a circular hole 9 in the middle, the diameter of the circular hole 9 is less than the diameter of the casting wheel, to ensure the stability of the casting wheel blank 8, and the diameter of the circular hole 9 is greater than the diameter of the wheel hub casting sprue, to avoid interference with the wheel hub casting sprue.

[0019] In some embodiments, the diameter of the spacing tray 4 is greater than the diameter of the compound high temperature resistance buffer layer, to bear the compound high temperature resistance buffer layer, the spacing tray 4 is provided with a fence along the outer edge, the diameter of the fence corresponds to the diameter of the compound high temperature resistance buffer layer, the fence limits the compound high temperature resistance buffer layer, to prevent displacement of the compound high temperature resistance buffer layer.

[0020] In some embodiments, the bottom support 7 includes a movable arm 10 and a support plate 11, the support plate 11 is fixedly connected to the front end of the movable arm 10, the support plate 11 is a disc type structure, the support plate 11 is provided with a circular through hole, the position of the through hole corresponds to the position of the spacing slide rod 6, and the bottom support 7 supports the device above.

[0021] In some embodiments, 4 groups of springs are used between the spacing tray 4 and the support plate 11, and the spacing slide rod 6 is arranged in each spring to ensure that the spacing tray 4 and the bottom support 7 do not displace.

[0022] In some embodiments, the height of the fence in the spacing tray 4 is higher than the thickness of the compound high temperature resistance buffer layer, and a gypsum protective layer is arranged in the inner ring of the fence.

[0023] Embodiment 1

[0024] In a specific embodiment provided by the utility model, asFigure 1 As shown, after the low-pressure casting machine fills and cools the casting hub blank 8, the upper mold of the mold lifts the casting hub blank 8, the movable arm 10 of the base support 7 rotates to make the high-temperature-resistant buffer receiving tray reach directly below the casting hub blank 8, the demolding ejector rod lifts the casting hub blank 8 from the upper mold, and the casting hub blank 8 falls onto the high-temperature-resistant buffer receiving tray in a free-fall manner. At this time, the surface temperature of the casting hub blank 8 can reach above 400°C.

[0025] The casting hub blank 8 falls onto the high-temperature-resistant buffer receiving tray, and the elastic rubber pad 3 and the buffer spring 5 on the high-temperature-resistant buffer receiving tray have a double buffering effect, greatly relieving the impact between the casting and the receiving tray, avoiding the gravitational impact force in the falling process of the casting hub blank 8, and effectively reducing the impact deformation of the casting hub blank 8. At the same time, the high-temperature-resistant heat insulation asbestos pad 2 blocks the heat of the casting hub blank 8, avoids the high-temperature-resistant elastic rubber pad 3 from being damaged by heat, and the dense and soft metal mesh 1 on the high-temperature-resistant heat insulation asbestos pad 2 can improve the service life of the high-temperature-resistant heat insulation asbestos pad 2. After receiving the casting hub blank 8, the high-temperature-resistant buffer receiving tray is turned out from below the mold upper mold and is transferred to the next process by the mechanical hand.

Claims

1. A high-temperature-resistant buffering receiving disc for aluminum alloy wheel hub casting, which is circular in structure and used in cooperation with a cast wheel hub blank, characterized in that, Include: Composite high temperature buffer layer, limit tray, buffer spring, limit slide rod and bottom support, the composite high temperature buffer layer is placed above the limit tray, the limit tray is fixedly connected with the limit slide rod below, the limit slide rod is sleeved with the buffer spring outside, and the limit slide rod is fixedly connected with the lower edge through the nut after penetrating through the bottom support.

2. The high temperature resistant cushioning receiving tray for aluminum alloy wheel hub casting according to claim 1, characterized in that: The composite high temperature buffer layer is a circular structure, the composite high temperature buffer layer comprises a metal mesh, an asbestos pad and an elastic rubber pad, the metal mesh is laid above the asbestos pad, the asbestos pad is laid above the elastic rubber pad, and the metal mesh is a dense and soft structure.

3. The high temperature resistant buffering receiving disc for aluminum alloy wheel hub casting according to claim 2, characterized in that: The metal mesh, the asbestos pad and the elastic rubber pad are provided with a circular hole in the middle, the diameter of the circular hole is less than the diameter of the cast hub, and the diameter of the circular hole is greater than the diameter of the hub casting riser.

4. The high temperature resistant cushioning receiving tray for aluminum alloy wheel hub casting according to claim 3, characterized in that: The diameter of the limit tray is greater than the diameter of the composite high temperature buffer layer, and the limit tray is provided with a fence along the outer edge.

5. The high temperature resistant cushioning receiving tray for aluminum alloy wheel hub casting according to claim 4, characterized in that: The bottom support comprises a movable arm and a supporting plate, the supporting plate is fixedly connected to the front end of the movable arm, the supporting plate is a disc type structure, the supporting plate is provided with a circular through hole, and the position of the through hole corresponds to the position of the limit slide rod.

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