Corrugated pipe gear die forming device

Abstract

The utility model discloses a corrugated pipe gear die forming device, belongs to the technical field of die structures, and provides a forming device capable of efficiently producing a corrugated pipe gear die, the corrugated pipe gear die forming device comprises a die cover and a die body, three die cavities communicated with the upper surface are formed in the die body, each die cavity is in a fan shape, the central angle of each fan shape is 120 degrees, and the lower surface of the die cover is provided with an opening. The die body is further provided with a flow guide groove communicated with the three die cavities, the flow guide groove is further communicated with the top face of the die body, a material injection hopper is arranged on the top face of the die cover, a casting channel communicated with the interior of the material injection hopper is formed in the bottom face of the die cover, and a demolding mechanism is further arranged at the bottom of the die body. According to the corrugated pipe gear mold, the mold cavity structure is reasonably designed in the mold body and connected through the flow guide grooves, all parts of the corrugated pipe gear mold can be formed at a time, and the casting output efficiency of the gear mold is effectively improved; and the demolding mechanism is arranged at the bottom of the mold body, so that the forming device has a semi-automatic demolding function.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mold structure, and particularly relates to a corrugated pipe gear mold forming device. BACKGROUND

[0002] For the corrugated pipe of metal, the metal pipe is clamped into a corrugated shape through a toothed mold, that is, a gear mold. In order to clamp the metal pipe into a specific shape, the gear mold also needs to be made of metal. The gear mold is not a whole, but is composed of multiple parts that can be relatively separated and combined. In the prior art, each part is separately cast, which is very inefficient. SUMMARY

[0003] The present application aims to provide a forming device capable of efficiently producing a corrugated pipe gear mold.

[0004] To achieve the above purpose, the present application provides a corrugated pipe gear mold forming device: a mold cover and a mold body are included, a mold cavity is arranged in the mold body and communicates with the upper surface, the number of the mold cavities is three, each of the mold cavities is a sector, the central angle of the sector is 120°, and the axis is horizontal, three axes form an equilateral triangle, the mold body is further provided with a flow guide groove communicating with the three mold cavities, the flow guide groove further communicates with the top surface of the mold body, the top surface of the mold cover is provided with a pouring hopper, the bottom surface of the mold cover is provided with a casting channel communicating with the inside of the pouring hopper, the casting channel is further adapted to communicate with each of the mold cavities through the flow guide groove, and the bottom of the mold body is further provided with an ejection mechanism adapted to eject the formed part in the mold cavity, thereby achieving semi-automatic ejection.

[0005] As a preferred, the bottom surface of the mold body is fixedly connected with a base through a support column, the ejection mechanism includes an ejector fixedly connected with the base, the movable end of the ejector is fixedly connected with three groups of ejection rods through a configuration disc, and the top end of the ejection rod is a supporting surface. When the movable end of the ejector is at the lower limit position, the supporting surface is flush with the inner wall of the mold cavity, and the inner wall of the mold cavity is complete and flat.

[0006] As a preferred, the inner wall of the mold cavity is provided with a guide hole extending to the bottom surface of the mold body, the ejection rod penetrates through the guide hole and forms a sliding pair, and stability and low clearance are considered.

[0007] As a preferred, each group of ejection rods has two ejection rods and is symmetrical, the symmetrical inclined surface in the mold cavity is provided with a guide hole, and the two ejection rods of the same group are matched, so that the stability of the formed part during ejection can be effectively ensured.

[0008] As a preferred, the bottom surface of the mold body is further provided with a recessed cavity adapted to accommodate the configuration disc, and sufficient movement space is reserved for the configuration disc.

[0009] As a preferred, the upper surface of the die body is provided with a sink, and the die cover comprises a matching plate adapted to match with the sink, so that the die is more stable after matching.

[0010] As a preferred, the upper surface of the die body is provided with a sink, and the die cover comprises a matching plate adapted to match with the sink, so that the die is more stable after matching.

[0011] As a preferred, the upper surface of the die body is provided with a sink, and the die cover comprises a matching plate adapted to match with the sink, so that the die is more stable after matching.

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

[0013] (1) By reasonably designing the die cavity structure in the die body and connecting by the flow guide groove, all parts of the corrugated pipe gear die can be formed at one time, and the casting output efficiency of the gear die is effectively improved;

[0014] (2) By setting the demolding mechanism at the bottom of the die body, the forming device has a semi-automatic demolding function, the demolding complexity is reduced, and the production efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the overall structure of the corrugated pipe gear die forming device.

[0016] Figure 2 It is a first three-dimensional structure schematic view of the die body of the corrugated pipe gear die forming device.

[0017] Figure 3 It is a three-dimensional structure schematic view of the demolding mechanism of the corrugated pipe gear die forming device cooperating with the die body.

[0018] Figure 4 It is a second three-dimensional structure schematic view of the die body of the corrugated pipe gear die forming device.

[0019] Figure 5 It is a three-dimensional structure sectional view of the die body of the corrugated pipe gear die forming device.

[0020] Figure 6 It is a three-dimensional structure schematic view of the demolding mechanism of the corrugated pipe gear die forming device cooperating with the die body.

[0021] Figure 7 It is a three-dimensional structure schematic view of the demolding mechanism of the corrugated pipe gear die forming device.

[0022] Figure 8 It is a three-dimensional structure schematic view of the lifting device of the corrugated pipe gear die forming device connected with the die cover.

[0023] Figure 9 It is a perspective view of the mold cover of the bellows gear mold forming device.

[0024] Figure 10 It is a perspective view of the mold cover of the bellows gear mold forming device.

[0025] In the figure: 1, base; 2, lifter; 3, mold cover; 301, fitting plate; 302, dustproof plate; 303, pouring funnel; 304, pouring channel; 305, traction plate; 4, mold body; 401, sink; 402, mold cavity; 403, flow guide groove; 404, guide hole; 405, support column; 406, accommodation cavity; 5, demolding mechanism; 501, ejector; 502, configuration disc; 503, demolding rod; 504, bearing surface. DETAILED DESCRIPTION

[0026] Hereinafter, the present application will be further described in conjunction with specific embodiments. It should be noted that, under the premise of no conflict, each embodiment described below or each technical feature can be combined with any other embodiment or technical feature to form a new embodiment.

[0027] In the description of the present application, it should be noted that, for orientation words, such as terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0029] The terms "include" and "have" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0030] As Figures 1-10The shown bellows gear mold forming device includes a mold cover 3 and a mold body 4 that can be matched with each other, the mold body 4 is provided with mold cavities 402 that are communicated with the upper surface, the number of the mold cavities 402 is three, each of the mold cavities 402 is a sector, the central angle of the sector is 120°, and the axis is horizontal, the mold cavity 402 vertically extends with a large upper end and a small lower end, the inner bottom of the mold cavity 402 is a coaxial gear ring for the bellows teeth of the gear mold, three axes form an equilateral triangle, the three mold cavities 402 are equidistantly arranged around the vertical axis, the mold body 4 is further provided with flow guide grooves 403 that are communicated with the three mold cavities 402, the flow guide grooves 403 are further communicated with the top surface of the mold body 4, which is beneficial for the demolding of the formed part, the top surface of the mold cover 3 is provided with a material pouring funnel 303, the molten raw material enters the mold cavity 402 through the material pouring funnel 303, the bottom surface of the mold cover 3 is provided with a casting channel 304 that is communicated with the inside of the material pouring funnel 303, after the mold cover 3 and the mold body 4 are matched, the casting channel 304 is further communicated with each of the mold cavities 402 through the flow guide grooves 403, so that the molten raw material can flow into the mold cavity 402.

[0031] The upper surface of the mold body 4 is provided with a sink groove 401, the mold cavities 402 and the flow guide grooves 403 are both provided on the inner bottom surface of the sink groove 401, and the specific structure of the mold cover 3 includes a matching plate 301 that can be matched with the sink groove 401 to realize mold matching, the upper part of the matching plate 301 is further provided with a dustproof plate 302 that has a larger size, which can shield the matching gap between the outer side surface of the matching plate 301 and the inner wall of the sink groove 401, the side surface of the dustproof plate 302 is provided with a protruding traction plate 305, the traction plate 305 and the base 1 are provided with a lifter 2, the lifter 2 adopts a pneumatic cylinder, and the mold cover 3 can be driven to move up and down through the traction plate 305, so as to realize automatic mold opening and closing.

[0032] The bottom of the mold body 4 is also provided with an ejection mechanism 5 for ejecting the molded part in the mold cavity 402 to realize semi-automatic ejection, the bottom surface of the mold body 4 is fixedly connected with the base 1 through the supporting column 405, the base 1 can be directly placed on the ground to maintain the stability of the entire molding device and reduce the ground pressure, the ejection mechanism 5 comprises an ejector 501 fixedly connected with the base 1, the ejector 501 adopts a hydraulic cylinder with more stable thrust, the movable end of the ejector 501 is fixedly connected with three groups of ejection rods 503 through a configuration disc 502, the top end of the ejection rod 503 is a bearing surface 504, when the movable end of the ejector 501 is at the lower limit position, the bearing surface 504 is flush with the inner wall of the mold cavity 402 to form the complete profile of the mold cavity 402, only when the blank is molded, the bearing surface 504 will be protruded to lift the molded part, the inclined surface of the inner wall of the mold cavity 402 is provided with a guide hole 404 extending to the bottom surface of the mold body 4, the ejection rod 503 penetrates through the guide hole 404 and forms a sliding pair, in fact, in order to ensure the stability of the molded part when it is ejected, each group of ejection rods 503 has two ejection rods 503 which are symmetrical to each other, and the corresponding symmetrical inclined surfaces in the mold cavity 402 are each provided with a guide hole 404 which cooperates with the two ejection rods 503 of the same group, so that each molded part ejected will be supported by two ejection rods 503, the bottom surface of the mold body 4 is also provided with a give-way cavity 406 for accommodating the configuration disc 502, which reserves sufficient movement space for the configuration disc 502, when the configuration disc 502 contacts with the inner top surface of the give-way cavity 406, the ejection rod 503 reaches the upper limit position.

[0033] Working principle: in use, first open the mold cover 3, detect whether the bearing surface 504 of the ejection rod 503 is flush with the inner wall of the mold cavity 402, then evenly sprinkle the mold release agent into the inner wall of the mold cavity 402, then close the mold cover 3, pour the molten raw material liquid, generally a metal molten liquid, into the pouring funnel 303, the molten liquid will flow into the mold cavity 402 through the three guide grooves 403 along the pouring channel 304, until each mold cavity 402 is filled with the molten liquid, the pouring can be stopped, and then cooling is waited, during the cooling process, the volume of the raw material will be reduced, so that the surface of the molded part is separated from the inner wall of the mold cavity 402 to form a small gap, then the mold cover 3 is lifted to the upper limit position under the drive of the lifter 2, then the ejector 501 is started to drive the ejection rod 503 to lift the three molded corrugated pipe gear molds in the mold cavity 402, finally the molded parts are clamped and placed aside for natural cooling using the clamp; the inner wall of the mold cavity 402 is cleaned, and the next molding operation can be performed.

[0034] The foregoing describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-described embodiments, and the above-described embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A bellows gear die forming apparatus characterized by: The utility model relates to a kind of moulding machine, including mould cover (3) and mould body (4), the mould cavity (402) being communicated with upper surface is opened in the mould body (4), the number of the mould cavity (402) is three, each the mould cavity (402) is fan-shaped, the central angle of fan-shaped is 120 °, and axis is horizontal, three axes form an equilateral triangle, the mould body (4) is also opened with the guide groove (403) of communicating three the mould cavity (402), the guide groove (403) is also communicated with the top surface of the mould body (4), the top surface of the mould cover (3) is provided with injection funnel (303), the bottom surface of the mould cover (3) is opened with the pouring channel (304) being communicated with the inside of the injection funnel (303), the pouring channel (304) is also adapted to be communicated with each the mould cavity (402) by the guide groove (403), the bottom of the mould body (4) is also provided with ejection mechanism (5), adapted to eject the forming piece in the mould cavity (402).

2. The bellows gear die forming apparatus of claim 1, wherein: The bottom surface of the mould body (4) is fixedly connected with base (1) by support column (405), the ejection mechanism (5) includes ejector (501) fixedly connected with base (1), the movable end of the ejector (501) is fixedly connected with three groups of ejection rods (503) by configuration disc (502), the top end of the ejection rod (503) is bearing surface (504), when the movable end of the ejector (501) is at lower limit position, the bearing surface (504) is flush with the inner wall of the mould cavity (402).

3. The bellows gear die forming apparatus of claim 2, wherein: The inner wall of the mould cavity (402) is inclinedly provided with guide hole (404) extending to the bottom surface of the mould body (4), the ejection rod (503) passes through the guide hole (404) and constitutes sliding pair.

4. The bellows gear die forming apparatus of claim 3 wherein: Each group of ejection rods (503) has two, and is symmetrical, the symmetrical inclined surface in the mould cavity (402) is provided with guide hole (404), respectively with two ejection rods (503) of same group cooperation.

5. The bellows gear die forming apparatus of claim 4 wherein: The bottom surface of the mould body (4) is also provided with accommodation cavity (406), adapted to accommodate the configuration disc (502).

6. A bellows gear die forming apparatus as claimed in any one of claims 2 to 5 wherein: The upper surface of the mould body (4) is provided with sink (401), and the mould cover (3) includes engagement plate (301), adapted to engage with the sink (401).

7. The bellows gear die forming apparatus of claim 6 wherein: The upper side of the engagement plate (301) further has dustproof plate (302), the side of the dustproof plate (302) has traction plate (305), and the traction plate (305) is provided with lifter (2) between the base (1).

8. The bellows gear die forming apparatus of claim 7 wherein: The lifter (2) adopts air cylinder, and the ejector (501) adopts hydraulic cylinder.

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