A high-voltage circuit breaker aluminum alloy shell casting forming die

Abstract

The utility model relates to the field of pouring forming technology, concretely to a high -voltage circuit breaker aluminium alloy shell pouring forming mould, including the table body, the table body includes the workbench, the upper surface of workbench is provided with the base, the upper surface fixed coupling of base has the lower mould, the top fixed connection of base has the top board, the top fixed mounting of top board has telescopic pneumatic cylinder, the output fixed connection of telescopic pneumatic cylinder has the upper mould, the inside of base is provided with the stripping mechanism. The utility model can realize the movement of the moving block and drive the movable rod to move through the operation of the first motor driving the screw rod, and the connecting plate can drive the top rod to move vertically, and the aluminum alloy shell formed in the lower mould can be ejected through the operation of the top rod, so that the aluminum alloy shell does not need to be manually removed after forming, and the efficiency and quality of the demolding of the aluminum alloy shell can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pouring forming technology, specifically to a high voltage circuit breaker aluminum alloy shell pouring forming mould. BACKGROUND

[0002] A high voltage circuit breaker is a kind of switch equipment used in power system, mainly used for connecting or disconnecting high voltage circuit under normal or fault condition. It has arc extinguishing function, and can quickly cut off current when short circuit or overload occurs, to protect other equipment in power system from damage. High voltage circuit breaker aluminum alloy shell refers to the external protective structure of high voltage circuit breaker made of aluminum alloy material. Aluminum alloy has the advantages of light weight, high strength, good corrosion resistance and good machining performance, so it is very suitable for manufacturing the shell of high voltage circuit breaker. When producing and processing high voltage circuit breaker aluminum alloy shell, pouring forming mould is usually used to realize one-time forming of the complex structure of the shell and reduce subsequent processing steps. Pouring forming mould is a tool for injecting liquid metal or other materials into it and cooling and solidifying into a specific shape part. Through the mould, the shape and size of the aluminum alloy shell can be accurately controlled, so as to avoid errors and waste time that may occur during manual processing. At the same time, the mould can ensure that the shape and size of the aluminum alloy shell meet the design requirements, which is beneficial to improve the precision and consistency of the product.

[0003] In the prior art, when the high voltage circuit breaker aluminum alloy shell is formed by pouring forming mould, the aluminum alloy shell cannot be separated from the mould after forming, which makes the demoulding of the aluminum alloy shell not convenient. Manual demoulding is often needed during demoulding, which is not efficient and easy to damage the surface of the aluminum alloy shell, thereby affecting the quality and efficiency of demoulding and taking out the aluminum alloy shell. Therefore, in order to solve the above problems, a high voltage circuit breaker aluminum alloy shell pouring forming mould is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a high voltage circuit breaker aluminum alloy shell pouring forming mould to solve the problem that the aluminum alloy shell cannot be separated from the mould after forming, which makes the demoulding of the aluminum alloy shell not convenient. Manual demoulding is often needed during demoulding, which is not efficient and easy to damage the surface of the aluminum alloy shell, thereby affecting the quality and efficiency of demoulding and taking out the aluminum alloy shell.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A high -voltage circuit breaker aluminium alloy shell casting forming die, including the table body, the table body includes the workbench, the upper surface of workbench is provided with the base, the upper surface of base is fixedly connected with the lower mould, the top of base is fixedly connected with the top board, the top of top board is fixedly installed with telescopic pneumatic cylinder, the output of telescopic pneumatic cylinder is fixedly connected with upper mould;

[0006] The inner side of the base is provided with a demolding mechanism, the demolding mechanism comprises a first fixed block, the first fixed block is fixedly connected to the upper surface of the base, the inner side of the first fixed block is movably connected with a screw rod, the surface of the first fixed block is fixedly installed with a first motor, the surface of the screw rod is threadedly connected with a moving block, the surface of the moving block is movably connected with a movable rod, the top end of the movable rod is movably connected with a connecting plate, and the upper surface of the connecting plate is fixedly connected with a top rod.

[0007] Preferably, the demolding mechanism further comprises a limiting rod, the limiting rod is fixedly connected to the inner surface of the first fixed block, and the moving block and the limiting rod are movably connected.

[0008] Preferably, the screw rod and the output end of the first motor are fixedly connected, one end of the movable rod is movably connected with the moving block through a rotating shaft, the other end of the movable rod is movably connected with the connecting plate through a rotating shaft, and the top rod moves in the inner side of the lower mould.

[0009] Preferably, the inner side of the workbench is provided with a vibration mechanism, the vibration mechanism comprises a second fixed block, the second fixed block is fixedly connected to the bottom end of the workbench, the inner side of the second fixed block is movably connected with a rotating rod, the surface of the rotating rod is fixedly connected with a cam, the surface of the second fixed block is fixedly installed with a second motor, the bottom end of the base is fixedly connected with a connecting rod, the upper surface of the workbench is fixedly connected with a fixed rod, the inner wall of the fixed rod is fixedly connected with a spring, and the top end of the spring is fixedly connected with a telescopic rod.

[0010] Preferably, the rotating rod and the output end of the second motor are fixedly connected, and the connecting rod moves in the inner side of the workbench.

[0011] Preferably, one end of the spring is fixedly connected with the fixed rod, the other end of the fixed rod is fixedly connected with the telescopic rod, the end of the telescopic rod away from the spring is fixedly connected with the base, and the telescopic rod moves in the inner side of the fixed rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、Through the first motor operation drives the screw rod to rotate, the mobile block can be moved and drives the movable rod to move, and then the connecting plate can drive the top rod to move vertically, through the operation of the top rod, the aluminum alloy shell formed in the lower mold can be ejected, so that after forming, the aluminum alloy shell does not need to be manually taken out, the efficiency and quality of the aluminum alloy shell demolding can be improved.

[0014] 2、Through the second motor operation drives the cam to rotate, the cam can be rotated and causes the connecting rod to be extruded or canceled, cooperates with the elastic property of the spring, the connecting rod can drive the base to move up and down under the action of the cam, and then the base vibrates, the liquid material in the lower mold can be more uniformly distributed, and bubbles can be eliminated, so that the quality and effect of the aluminum alloy shell forming can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure front view schematic diagram of the utility model;

[0016] Figure 2 It is a structure side view cross-sectional view explosion schematic diagram of the utility model;

[0017] Figure 3 It is a structure side view cross-sectional view explosion schematic diagram of the screw rod and the top rod of the utility model;

[0018] Figure 4 It is a structure side view cross-sectional view explosion schematic diagram of the fixed rod and the telescopic rod of the utility model.

[0019] In the drawing: 1, workbench;11, base;12, lower mold;13, top plate;14, telescopic cylinder;15, upper mold;2, first fixed block;21, screw rod;22, first motor;23, mobile block;24, movable rod;25, connecting plate;26, top rod;27, limiting rod;3, second fixed block;31, rotating rod;32, cam;33, second motor;34, connecting rod;35, fixed rod;36, spring;37, telescopic rod. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0022] The telescopic cylinder 14, the first motor 22 and the second motor 33 used in the present application are products that can be directly purchased on the market, and their principles and connection modes are all prior art well known to those skilled in the art, and thus will not be described here again.

[0023] A high-voltage circuit breaker aluminum alloy shell pouring forming mold, comprising a table body, the table body comprises a workbench 1, the upper surface of the workbench 1 is provided with a base 11, the upper surface of the base 11 is fixedly connected with a lower mold 12, the top end of the base 11 is fixedly connected with a top plate 13, the top end of the top plate 13 is fixedly installed with a telescopic cylinder 14, the output end of the telescopic cylinder 14 is fixedly connected with an upper mold 15, by injecting liquid material into the lower mold 12, the telescopic cylinder 14 can drive the upper mold 15 to rise and fall, and then the upper mold 15 descends and the lower mold 12 closes, which can realize the forming of the aluminum alloy shell;

[0024] The inner side of the base 11 is provided with a demolding mechanism, the demolding mechanism comprises a first fixed block 2, the first fixed block 2 is fixedly connected to the upper surface of the base 11, the inner side of the first fixed block 2 is movably connected with a screw rod 21, the surface of the first fixed block 2 is fixedly installed with a first motor 22, the surface of the screw rod 21 is threadedly connected with a moving block 23, the surface of the moving block 23 is movably connected with a movable rod 24, the top end of the movable rod 24 is movably connected with a connecting plate 25, the upper surface of the connecting plate 25 is fixedly connected with a top rod 26, by rotating the screw rod 21, the moving block 23 can be moved and drive the movable rod 24 to move, and then the connecting plate 25 can drive the top rod 26 to move vertically, which facilitates the aluminum alloy shell formed in the lower mold 12 to be ejected by the movement of the top rod 26, thereby facilitating the demolding of the aluminum alloy shell.

[0025] Further, the demolding mechanism further comprises a limiting rod 27, the limiting rod 27 is fixedly connected to the inner surface of the first fixed block 2, the moving block 23 and the limiting rod 27 are movably connected, by the arrangement of the limiting rod 27, the movement of the moving block 23 can be limited, which can avoid the moving block 23 from being deviated under the action of the screw rod 21, and facilitates the stable horizontal movement of the moving block 23.

[0026] Further, the screw rod 21 and the output end of the first motor 22 are fixedly connected, one end of the movable rod 24 is movably connected with the moving block 23 through a rotating shaft, the other end of the movable rod 24 is movably connected with the connecting plate 25 through a rotating shaft, the top rod 26 moves in the inner side of the lower mold 12, by connecting the moving block 23 and the connecting plate 25 through the movable rod 24, when the moving block 23 moves, the movable rod 24 moves to make the connecting plate 25 drive the top rod 26 to move vertically, thereby facilitating the formed aluminum alloy shell to be jacked up by the top rod 26.

[0027] Further, the inner side of the workbench 1 is provided with a vibration mechanism, the vibration mechanism comprises a second fixed block 3, the second fixed block 3 is fixedly connected to the bottom end of the workbench 1, the inner side of the second fixed block 3 is movably connected with a rotating rod 31, the surface of the rotating rod 31 is fixedly connected with a cam 32, the surface of the second fixed block 3 is fixedly installed with a second motor 33, the bottom end of the base 11 is fixedly connected with a connecting rod 34, the upper surface of the workbench 1 is fixedly connected with a fixed rod 35, the inner wall of the fixed rod 35 is fixedly connected with a spring 36, the top end of the spring 36 is fixedly connected with a telescopic rod 37, through the rotation of the cam 32 and the elastic property of the spring 36, the connecting rod 34 can drive the base 11 to reciprocate, thereby the lower mold 12 can vibrate up and down, so that the liquid material in the lower mold 12 can be more uniformly distributed and fused, which is beneficial to guarantee the quality of the aluminum alloy shell forming, and can reduce bubbles.

[0028] Further, the rotating rod 31 and the output end of the second motor 33 are fixedly connected, the connecting rod 34 moves in the inner side of the workbench 1, through the rotation of the rotating rod 31, the cam 32 can rotate, thereby the cam 32 can extrude or cancel the extrusion of the connecting rod 34, which is convenient for the vertical movement of the connecting rod 34 in the workbench 1 under the action of the cam 32.

[0029] Further, one end of the spring 36 and the fixed rod 35 are fixedly connected, the other end of the fixed rod 35 and the telescopic rod 37 are fixedly connected, the end of the telescopic rod 37 away from the spring 36 is fixedly connected with the base 11, the telescopic rod 37 moves in the inner side of the fixed rod 35, the fixed rod 35 and the telescopic rod 37 can support the base 11, through the connection of the fixed rod 35 and the telescopic rod 37 by the spring 36, the base 11 can be reset.

[0030] Working principle: in use, the first motor 22 is electrically connected by an external power source, the staff starts the first motor 22 by pressing the switch, the first motor 22 rotates to drive the screw rod 21 to rotate, the moving block 23 is limited by the limiting rod 27 and moves horizontally under the action of the screw rod 21, thereby the movable rod 24 moves under the action of the moving block 23, the connecting plate 25 drives the top rod 26 to move vertically under the action of the movable rod 24, and the top rod 26 moves in the lower mold 12, the aluminum alloy shell formed in the lower mold 12 can be ejected by the rising of the top rod 26;

[0031] The second motor 33 is electrically connected by an external power source, and a staff member starts the second motor 33 by pressing a switch, the second motor 33 is driven to rotate the rotating rod 31, and the cam 32 is rotated under the action of the rotating rod 31, when the cam 32 rotates to press the connecting rod 34, the connecting rod 34 is movable in the workbench 1, and the base 11 is driven to rise as a whole, and then the telescopic rod 37 is movable in the fixed rod 35, at this time, the spring 36 is in a stretched state, when the cam 32 rotates to cancel the pressing on the connecting rod 34, the telescopic rod 37 is reset under the rebound action of the spring 36, and then the base 11 and the connecting rod 34 are reset, so that the base 11 can be vibrated up and down through the cooperation of the cam 32 and the spring 36, and the uniform distribution of the liquid material in the lower mold 12 can be realized.

[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolutions made by those skilled in the art within the scope of the technical scheme of the present application, using the disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.

Claims

1. A casting mold for aluminum alloy housing of a high voltage circuit breaker, comprising a platform, the platform comprising a workbench (1), a base (11) provided on the upper surface of the workbench (1), a lower mold (12) fixedly connected to the upper surface of the base (11), a top plate (13) fixedly connected to the top of the base (11), a telescopic cylinder (14) fixedly installed on the top of the top plate (13), and an upper mold (15) fixedly connected to the output end of the telescopic cylinder (14). Its features are, The base (11) is provided with a demolding mechanism on its inner side. The demolding mechanism includes a first fixing block (2), which is fixedly connected to the upper surface of the base (11). A screw (21) is movably connected to the inner side of the first fixing block (2). A first motor (22) is fixedly installed on the surface of the first fixing block (2). A moving block (23) is threadedly connected to the surface of the screw (21). A moving rod (24) is movably connected to the surface of the moving block (23). A connecting plate (25) is movably connected to the top of the moving rod (24). A top rod (26) is fixedly connected to the upper surface of the connecting plate (25).

2. The high-voltage circuit breaker aluminum alloy shell casting mold according to claim 1, characterized in that: The demolding mechanism also includes a limiting rod (27), which is fixedly connected to the inner surface of the first fixed block (2), and the moving block (23) and the limiting rod (27) are movably connected.

3. The high-voltage circuit breaker aluminum alloy shell casting mold according to claim 1, characterized in that: The screw (21) and the output end of the first motor (22) are fixedly connected. One end of the movable rod (24) is movably connected to the moving block (23) through a rotating shaft. The other end of the movable rod (24) is movably connected to the connecting plate (25) through a rotating shaft. The top rod (26) is movably located inside the lower mold (12).

4. The high-voltage circuit breaker aluminum alloy shell casting mold according to claim 1, characterized in that: The inner side of the workbench (1) is provided with a vibration mechanism, which includes a second fixed block (3). The second fixed block (3) is fixedly connected to the bottom end of the workbench (1). A rotating rod (31) is movably connected to the inner side of the second fixed block (3). A cam (32) is fixedly connected to the surface of the rotating rod (31). A second motor (33) is fixedly installed on the surface of the second fixed block (3). A connecting rod (34) is fixedly connected to the bottom end of the base (11). A fixed rod (35) is fixedly connected to the upper surface of the workbench (1). A spring (36) is fixedly connected to the inner wall of the fixed rod (35). A telescopic rod (37) is fixedly connected to the top end of the spring (36).

5. The high-voltage circuit breaker aluminum alloy shell casting mold according to claim 4, characterized in that: The rotating rod (31) is fixedly connected to the output end of the second motor (33), and the connecting rod (34) is movable inside the workbench (1).

6. The high-voltage circuit breaker aluminum alloy shell casting mold according to claim 4, characterized in that: One end of the spring (36) is fixedly connected to the fixed rod (35), the other end of the fixed rod (35) is fixedly connected to the telescopic rod (37), the end of the telescopic rod (37) away from the spring (36) is fixedly connected to the base (11), and the telescopic rod (37) moves inside the fixed rod (35).

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