Die opening and closing structure of hub die

Abstract

The utility model discloses a hub mould opening and closing structure which comprises a bottom plate used for supporting a mould, a mould opening and closing mechanism is arranged on the bottom plate corresponding to a side mould of the mould, the mould opening and closing mechanism comprises a telescopic device used for providing mould opening and closing power, the bottom plate is connected with a seat plate used for fixing the telescopic device, and the seat plate is connected with a base plate used for fixing the telescopic device. A through hole for the telescopic end of the telescopic device to penetrate through is formed in the seat plate, the telescopic end of the telescopic device penetrates through the through hole, the telescopic end of the telescopic device is connected with a side die quick connecting piece, and the side die quick connecting piece is detachably connected with the side die. According to the utility model, the independent mold opening and closing mechanism is arranged, and the side mold quick connecting piece is used for realizing quick disassembly with the mold, so that the traditional cutting and welding connection modes are omitted, the labor intensity of operators is reduced, the mold inspection and maintenance operation is convenient, and the operation efficiency is improved. Meanwhile, due to the detachable connection mode, the problem that the die assembly precision of the side die is affected by repeated cutting and welding is solved, and the casting quality of products is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy wheel hub casting, in particular to a wheel hub mold opening and closing mold structure. Background Art

[0002] At present, the production method of aluminum alloy wheels is mainly low-pressure casting. The aluminum liquid passes through a special filter and enters the cavity formed by the casting mold. The wind and water are used to perform fixed-point and fixed-ring cooling on various main positions of the mold, so that the aluminum liquid can complete the filling, pressure holding, cooling and other processes according to the mold cavity contour within the set process time, and finally cast a qualified aluminum alloy wheel.

[0003] At present, in the casting process of aluminum alloy wheels, the opening and closing of the mold is completed by the die-casting machine, which drives the top mold and side mold of the mold to move, forming the opening and closing of the mold. However, the existing side mold opening and closing mechanism is an integrated structure with the side mold, which is inflexible to install and use, and is not convenient for side mold inspection and maintenance. When the side mold has abnormal problems, it is often necessary to cut the opening and closing mechanism to remove the side mold for maintenance, and then re-weld it after the maintenance is completed. The operation is cumbersome and the operation efficiency is low. In addition, repeated welding affects the opening and closing accuracy of the side mold, and the casting quality cannot be effectively guaranteed.

[0004] Based on this, developing a new wheel hub mold opening and closing structure for application in actual production is an urgent problem to be solved. Utility Model Content

[0005] The utility model aims to solve the above problems and provide a hub mold opening and closing structure to solve the problems that the existing side mold opening and closing mechanism is inconvenient to install and use, and the operation is complicated when disassembling the side mold, and the operation efficiency is low.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A wheel hub mold opening and closing structure comprises a base plate for supporting the mold, a side mold of the mold is provided with an opening and closing mechanism on the base plate corresponding to the side mold of the mold, the opening and closing mechanism comprises a telescopic device for providing power for opening and closing the mold, a seat plate for fixing the telescopic device is connected to the base plate, a through hole is provided on the seat plate for allowing a telescopic end of the telescopic device to pass through, the telescopic end of the telescopic device passes through the through hole, the telescopic end of the telescopic device is connected to a side mold quick connector, and the side mold quick connector is detachably connected to the side mold.

[0008] Preferably, a quick-connect hole is provided at the front end of the side mold quick connector corresponding to the connecting column on the side mold, and the quick-connect hole is plug-fitted with the side mold connecting column. A locking pin hole is provided corresponding to the quick-connect hole, and the locking pin hole radially penetrates the front end of the side mold quick connector, and the locking pin hole is arranged corresponding to the plug-in hole on the mold connecting column.

[0009] Preferably, a guide column is provided on the side mold quick connector, a guide hole is opened on the seat plate corresponding to the guide column, and the guide column is slidably connected to the guide hole.

[0010] Preferably, a guide sleeve is provided on the seat plate corresponding to the guide hole, and the guide column is slidably matched with the guide sleeve to extend the guide stroke.

[0011] Preferably, an ear plate is fixedly provided on the side mold quick connector along the radial direction, and the guide column is connected to the ear plate.

[0012] Preferably, a reinforcing rib plate is provided on the side mold quick connector corresponding to the ear plate to ensure the connection strength of the ear plate.

[0013] Preferably, the telescopic end of the telescopic device and the side mold quick connector adopt a detachable plug-in connection method.

[0014] The beneficial effects of the utility model are as follows: the utility model provides an independent mold opening and closing mechanism, and realizes quick disassembly from the mold through the side mold quick connector, thereby eliminating the traditional cutting and welding connection method, reducing the labor intensity of the operators, facilitating mold inspection and maintenance operations, and improving the operation efficiency. At the same time, the detachable connection method avoids the problem of repeated cutting and welding affecting the side mold closing accuracy, thereby ensuring the casting quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the middle side mold quick connector of the utility model.

[0018] Figure 3 for Figure 2 Schematic diagram of the top view structure.

[0019] In the figure: 1--base plate; 11--base plate; 2--mold opening and closing mechanism; 21--telescopic device; 22--side mold quick connector; 23--quick connector hole; 24--locking pin hole; 25--guide column; 26--guide sleeve; 27--ear plate; 28--reinforcement rib plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] like Figure 1-3 As shown, a wheel hub mold opening and closing structure includes a bottom plate 1 for supporting the mold, and a mold opening and closing mechanism 2 is provided on the bottom plate 1 corresponding to the side mold of the mold, and the mold opening and closing mechanism 2 includes a telescopic device 21 for providing power for opening and closing the mold, and a seat plate 11 for fixing the telescopic device 21 is connected to the bottom plate 1, and a through hole is provided on the seat plate 11 for the telescopic end of the telescopic device 21 to pass through. The telescopic end of the telescopic device 21 passes through the through hole, and the telescopic end of the telescopic device 21 is connected to a side mold quick connector 22, and the side mold quick connector 22 is detachably connected to the side mold. The telescopic device 21 can use a conventional hydraulic cylinder or a cylinder.

[0022] When in use, the side mold is docked with the side mold quick connector 22, and the side mold is driven by the telescopic device 21 to produce a horizontal displacement on the bottom plate 1, thereby forming an opening and closing action of the side mold. During the casting operation, if the side mold is abnormal, the side mold can be quickly separated from the opening and closing mold mechanism 2 through the side mold quick connector 22, which is convenient for the inspection and maintenance of the mold. After the inspection and maintenance is completed, the side mold can be quickly connected to the mold through the side mold quick connector 22. This embodiment eliminates the traditional cutting and welding connection method by setting an independent opening and closing mold mechanism 2 and realizing quick disassembly from the mold through the side mold quick connector 22, thereby reducing the labor intensity of the operators, facilitating the inspection and maintenance of the mold, and improving the operating efficiency. At the same time, the detachable connection method avoids the problem of repeated cutting and welding affecting the side mold closing accuracy, thereby ensuring the casting quality of the product.

[0023] As a preferred embodiment, Figure 2 As shown, a quick-connect hole 23 is provided at the front end of the side mold quick connector 22 corresponding to the connecting column on the side mold, and the quick-connect hole 23 is plugged into the side mold connecting column. A locking pin hole 24 is provided corresponding to the quick-connect hole 23, and the locking pin hole 24 radially penetrates the front end of the side mold quick connector 22, and the locking pin hole 24 is provided corresponding to the plug-in hole on the mold connecting column. When in use, the side mold connecting column is inserted into the quick-connect hole 23 of the side mold quick connector 22, and the plug-in hole on the side mold connecting column corresponds to the locking pin hole 24 of the side mold quick connector 22. The pin shaft is inserted into the plug-in hole of the side mold connecting column through the locking pin hole 24, and the quick connection between the opening and closing mold mechanism 2 and the side mold is completed. When the side mold needs to be repaired and inspected, only the pin shaft needs to be pulled out to achieve the quick separation of the side mold and the opening and closing mold mechanism 2.

[0024] Preferably, the telescopic end of the telescopic device 21 and the side mold quick connector 22 also adopt the aforementioned quick plug-in detachable connection method to facilitate the replacement of the side mold quick connector 22 at any time and the inspection and maintenance of the telescopic device 21.

[0025] Preferably, a guide post 25 is provided on the side mold quick connector 22 to guide the side mold quick connector 22 during its movement. Specifically, a guide hole is provided on the seat plate 11 corresponding to the guide post 25, and the guide post 25 is slidably connected to the guide hole. The sliding cooperation between the guide post 25 and the guide hole improves the movement accuracy, ensures the movement stability of the side mold quick connector 22, and reduces the radial force of the telescopic device 21.

[0026] Furthermore, if Figure 1 As shown, a guide sleeve 26 is provided corresponding to the guide hole on the seat plate 11, and the guide column 25 is slidably matched with the guide sleeve 26 to extend the guide stroke and further improve the guide effect.

[0027] Preferably, the side mold quick connector 22 is fixedly provided with an ear plate 27 in the radial direction, and the guide column 25 is connected to the ear plate 27. In this embodiment, the ear plate 27 is connected and fixed to the guide column 25, so as to widen the spacing in the width direction of the guide column 25, thereby preventing the side mold quick connector 22 from rotating, facilitating the accurate positioning of the locking pin hole 24 of the side mold connector and the plug-in hole on the side mold connecting column, and avoiding the problem of mismatching the hole position when inserting the pin shaft, which affects the working efficiency.

[0028] Furthermore, a reinforcing rib plate 28 is provided on the side mold quick connector 22 corresponding to the ear plate 27 to ensure the connection strength of the ear plate 27 .

[0029] The above disclosure is only a specific embodiment of the present invention, but the present invention is not limited thereto. For ordinary technicians in this field, without departing from the principle of the present invention, any deformation made should be regarded as belonging to the protection of the present invention.

Claims

1. A wheel hub mold opening and closing structure, characterized in that: The invention comprises a bottom plate (1) for supporting a mold, a mold opening and closing mechanism (2) is arranged on the bottom plate (1) corresponding to the side mold of the mold, the mold opening and closing mechanism (2) comprises a telescopic device (21) for providing power for opening and closing the mold, the bottom plate (1) is connected to a seat plate (11) for fixing the telescopic device (21), the seat plate (11) is provided with a through hole for allowing the telescopic end of the telescopic device (21) to pass through, the telescopic end of the telescopic device (21) passes through the through hole, and the telescopic device (21) ) is connected to a side mold quick connector (22), and the side mold quick connector (22) is detachably connected to the side mold; a quick connector hole (23) is provided at the front end of the side mold quick connector (22) corresponding to the connecting column on the side mold, and the quick connector hole (23) is plugged into the side mold connecting column, and a locking pin hole (24) is provided corresponding to the quick connector hole (23), and the locking pin hole (24) radially penetrates the front end of the side mold quick connector (22), and the locking pin hole (24) is arranged corresponding to the plug-in hole on the mold connecting column.

2. A wheel hub mold opening and closing structure according to claim 1, characterized in that: A guide column (25) is provided on the side mold quick connector (22), a guide hole is provided on the seat plate (11) corresponding to the guide column (25), and the guide column (25) is slidably connected to the guide hole.

3. A wheel hub mold opening and closing structure according to claim 2, characterized in that: A guide sleeve (26) is provided on the seat plate (11) corresponding to the guide hole, and the guide column (25) is slidably matched with the guide sleeve (26) to extend the guide stroke.

4. A wheel hub mold opening and closing structure according to claim 2, characterized in that: An ear plate (27) is fixedly provided on the side mold quick connector (22) in the radial direction, and the guide column (25) is connected to the ear plate (27).

5. A wheel hub mold opening and closing structure according to claim 4, characterized in that: A reinforcing rib plate (28) is provided on the side mold quick connector (22) corresponding to the ear plate (27) to ensure the connection strength of the ear plate (27).

6. The wheel hub mold opening and closing structure according to claim 1, characterized in that: The telescopic end of the telescopic device (21) and the side mold quick connector (22) are connected in a detachable plug-in manner.

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