Integral cold top extrusion die for 3D metal printing forming

Abstract

The utility model provides an integral cold top extrusion die for 3D (three-dimensional) metal printing molding, which comprises an extrusion bearing component, a transfer positioning component, a raw material input component, a guide molding component, a heating and heat preservation component and a cooling and shaping component, adopts an integral structure, is molded through 3D printing, does not generate the problem of material leakage, and is high in production efficiency. The process is greatly reduced, the development time is greatly shortened, the number of receding parts is large, the overall weight of the die can be reduced, a cooling water runner is arranged, the die temperature can be reduced, meanwhile, a heating structure is arranged, the temperature of the die can be increased for raw materials needing to be heated, the die temperature adjusting space is large, the die is suitable for various extrusion materials, and the production efficiency is improved. And positioning pins are not needed for connection, so that the precision of the whole set of die is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould equipment especially relates to a 3D metal printing forming's integrated cold top extrusion mould. BACKGROUND

[0002] Patent document CN203863978U discloses an extrusion die head, which comprises feeding plates, transition plates, support plates, compression plates, preforming plates and forming plates arranged side by side, a first cavity is arranged in the middle of each feeding plate and transition plate, a second cavity is arranged in the middle of each of the support plates, compression plates, preforming plates and forming plates, the shape of the second cavity is the same as that of the prefabricated product, a plurality of feeding holes are arranged around each second cavity, each feeding hole is in communication with the second cavity on the plate body, the overall profile of the second cavity and the feeding holes around it is the same as the profile of the first cavity, the second cavities of the support plates, compression plates, preforming plates and forming plates can be fed separately, so as to prevent insufficient or excessive feeding in each area and affect the performance of the finished product. However, the extrusion die is fixedly connected by screws, and needs to be processed by a grinding machine, a milling machine, punching, wire cutting and other processes, which takes a long time and has many processes, and the connection of each plate may sometimes leak due to gaps, and many problems may occur due to improper processing, such as the need to lock many screws during mould installation, therefore, it is necessary to optimize the structure to overcome the above defects. SUMMARY

[0003] The utility model aims at providing a 3D metal printing forming's integrated cold top extrusion mould.

[0004] The utility model provides a technical scheme for solving the technical problems:

[0005] A 3D metal printing forming's integrated cold top extrusion mould, comprising:

[0006] An extrusion bearing member, which is integrally formed by 3D metal printing and has a raw material bearing space inside;

[0007] An adapter positioning member, which is formed in the extrusion bearing member and is adapted to the raw material extrusion equipment, and the extrusion bearing member can be installed at the discharge port of the raw material extrusion equipment through the adapter positioning member;

[0008] A raw material input member, which is formed in the extrusion bearing member and is in communication with the raw material extrusion equipment, and the raw material output by the raw material extrusion equipment can enter the extrusion bearing member through the raw material input member;

[0009] A guide forming member is formed in the extrusion bearing member and communicates with the raw material input member, so that the raw material can be output through the guide forming member, the guide forming member guides the conveying process of the raw material, and shapes it;

[0010] A heating and heat preservation member is formed in the extrusion bearing member and corresponds to the position of the guide forming member, and the raw material in the guide forming member is subjected to heating and heat preservation treatment by the heating and heat preservation member;

[0011] A cooling and shaping member is formed in the extrusion bearing member and corresponds to the position of the guide forming member, and the raw material in the guide forming member is cooled and shaped by the cooling and shaping member.

[0012] Specifically, the extrusion bearing member includes:

[0013] A bearing base is integrally formed by 3D metal printing and is arranged in the transverse direction.

[0014] The adapter positioning member includes:

[0015] The adapter flaps are provided in pairs, each adapter flap is formed in the inner end of the bearing base and extends outwardly from the bearing base;

[0016] The positioning through holes are provided in two groups, each group of positioning through holes penetrates through both ends of the adapter flaps, and the adapter flaps can be fixed at the discharge port of the raw material extrusion equipment by the locking bolts adapted thereto.

[0017] The raw material input member includes:

[0018] The input core hole is opened in the inner end of the bearing base and extends in the transverse direction, and communicates with the discharge port of the raw material extrusion equipment, so that the raw material output from the raw material extrusion equipment can enter the input core hole.

[0019] The guide forming member includes:

[0020] The forming cavity opening is opened in the bearing base, the inner end thereof communicates with the input core hole, and the outer end thereof is exposed from the outer end of the bearing base, the raw material entering the input core hole can be output through the forming cavity opening and shaped during the output process.

[0021] The heating and heat preservation member includes:

[0022] The heating core hole is provided in one group, each heating core hole is opened in the side wall of the bearing base, extends to the inside of the bearing base, and is arranged around the forming cavity opening, and each heating core hole is fitted with a heating rod, and the raw material in the forming cavity opening is heated and preserved by the heating rod.

[0023] The cooling and shaping member includes:

[0024] Cooling core holes are arranged, each of which is arranged on the side wall of the bearing base body, extends to the inside of the bearing base body, and is arranged around the forming cavity opening, and each of the cooling core holes is communicated with the water circulation device through a pipeline, and the water circulation device inputs cooling water into the cooling core holes to cool the raw material in the forming cavity opening and make it shape.

[0025] The utility model has the advantages that:

[0026] The conventional mold needs to be fixed by screws between each layer of plates, which affects the stability of mold production and operation, and the mold adopts a whole structure, does not need to be fixed by screws, and does not cause material leakage problems, and the whole waterway structure does not cause water seepage and leakage phenomena;

[0027] The conventional mold needs to be prepared, then milled and shaped by a milling machine, cut by a wire cutting machine, punched, and processed by CNC, and needs many devices, and each processing is operated by different workers, and once a process is wrong, the whole mold is scrapped, and the processing time is long, and the mold adopts a whole structure and is formed by 3D printing, so that the process is reduced a lot, and the development time is greatly reduced;

[0028] The conventional mold has a heavy weight, is not stable when disassembled, and causes injuries, and the mold adopts a whole structure and is formed by 3D printing, so that the whole weight of the mold is reduced due to more empty parts;

[0029] The mold is provided with a cooling water flow channel, so that the mold temperature can be reduced, is provided with a heating structure, so that the mold temperature can be increased for raw materials that need to be heated, and the mold temperature adjustment space is large, so that the mold is suitable for various extrusion materials;

[0030] The conventional mold is connected by a positioning pin between each plate, a gap is formed by the positioning pin, the whole installation forms a size deviation, and the product precision is not enough, and the mold adopts a whole structure and is formed by 3D printing, so that the whole mold precision is improved without the need of the positioning pin connection. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a front structure schematic view of a whole cold top extrusion mold of 3D metal printing forming provided by the utility model;

[0032] Figure 2 is a back structure schematic view of the whole cold top extrusion mold. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0034] As shown in Figure 1 , Figure 2 The utility model discloses a 3D metal printing forming integral type cold top extrusion die, which comprises an extrusion bearing component, an adapter positioning component, a raw material input component, a guide forming component, a heating and heat preservation component and a cooling and shaping component. The extrusion bearing component is integrally formed by 3D metal printing and has a raw material bearing space inside. The adapter positioning component is formed in the extrusion bearing component and is adapted to a raw material extrusion device. The extrusion bearing component can be installed at a discharge port of the raw material extrusion device through the adapter positioning component. The raw material input component is formed in the extrusion bearing component and is in communication with the raw material extrusion device. The raw material output by the raw material extrusion device can enter the extrusion bearing component through the raw material input component. The guide forming component is formed in the extrusion bearing component and is in communication with the raw material input component, so that the raw material can be output through the guide forming component. The guide forming component guides the conveying process of the raw material and shapes the raw material. The heating and heat preservation component is formed in the extrusion bearing component and corresponds to the position of the guide forming component. The heating and heat preservation component heats and preserves the raw material in the guide forming component. The cooling and shaping component is formed in the extrusion bearing component and corresponds to the position of the guide forming component. The cooling and shaping component cools the raw material in the guide forming component to shape the raw material.

[0035] In the embodiment, the extrusion bearing component comprises a bearing base 100, which is integrally formed by 3D metal printing and is arranged in the transverse direction.

[0036] The adapter positioning component comprises adapter wings 210 and positioning through holes 220. The adapter wings are provided in pairs, each of which is formed in the inner end of the bearing base and extends to the outer side of the bearing base. The positioning through holes are provided in two groups, each of which penetrates through both ends of the adapter wings. The adapter wings can be fixed at the discharge port of the raw material extrusion device by lock bolts adapted thereto.

[0037] The raw material input member comprises an input core hole 300, which is arranged in the inner end of the bearing base and extends in the transverse direction, and is in communication with the discharge port of the raw material extruding device, so that the raw material output from the raw material extruding device can enter the input core hole.

[0038] The guide forming member comprises a forming cavity opening 400, which is arranged in the bearing base, and the inner end thereof is in communication with the input core hole, and the outer end thereof is exposed from the outer end of the bearing base, so that the raw material entering the input core hole can be output through the forming cavity opening and be formed in the output process.

[0039] The heating and heat preservation member comprises a plurality of heating core holes 500, each of which is arranged in the side wall of the bearing base and extends to the inside of the bearing base and is arranged around the forming cavity opening, and a heating rod is arranged in each of the heating core holes, so that the raw material in the forming cavity opening can be heated and preserved by the heating rod.

[0040] The cooling and shaping member comprises a plurality of cooling core holes 600, each of which is arranged in the side wall of the bearing base and extends to the inside of the bearing base and is arranged around the forming cavity opening, and each of the cooling core holes is in communication with the water circulation device through a pipeline, so that the cooling water can be input into the cooling core hole by the water circulation device to cool and shape the raw material in the forming cavity opening.

[0041] In the description of the utility model, it needs to be explained that when the terms of indicating the orientation or position relationship such as "upper", "lower", "inner", "outer", "left", "right" and the like appear, it should be understood as the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, or the orientation or position relationship commonly understood by the person skilled in the art, and it is only for the convenience of describing the utility model and simplifying the description, and therefore it cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore it cannot be understood as a limitation on the utility model. In addition, when the terms of "first", "second" and the like appear, they are only used for distinguishing the description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it also needs to be explained that unless otherwise explicitly specified and limited, the terms of "mounting", "arrangement", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be direct connection, or indirect connection through intermediate medium, and can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A one-piece cold tip extrusion die for 3D metal printing forming, characterized in that, The utility model relates to a kind of extrusion bearing member, extrusion bearing member is integrally formed by 3D metal printing, and the inside has raw material bearing space; Adapter positioning member is formed in extrusion bearing member, and is adapted to raw material extrusion equipment, and extrusion bearing member can be installed at the discharge port of raw material extrusion equipment by adapter positioning member; Raw material input member is formed in extrusion bearing member, and is communicated with raw material extrusion equipment, and the raw material output by raw material extrusion equipment can enter extrusion bearing member by raw material input member; Guide forming member is formed in extrusion bearing member, and is communicated with raw material input member, so that raw material can be output by guide forming member, and the transport process of raw material in guide forming member is guided, and it is shaped; Heating and heat preservation member is formed in extrusion bearing member, and is positionally corresponding with guide forming member, and raw material in guide forming member is heated and heat preserved by heating and heat preservation member; Cooling and shaping member is formed in extrusion bearing member, and is positionally corresponding with guide forming member, and raw material in guide forming member is cooled by cooling and shaping member, so that it is shaped. Extrusion bearing member includes:

2. A one-piece cold end extrusion die for 3D metal printing forming according to claim 1, characterized in that, Bearing base is integrally formed by 3D metal printing, and is arranged along the transverse direction. Adapter positioning member includes:

3. A one-piece cold tip extrusion die for 3D metal printing forming according to claim 2, wherein, Adapter wing is provided with a pair, and each adapter wing is formed in the inner end of bearing base and extends to the outer side of bearing base respectively; Positioning through hole is provided with two groups, and each group of positioning through hole penetrates both ends of adapter wing, and adapter wing can be fixed at the discharge port of raw material extrusion equipment by locking bolt adapted thereto. Raw material input member includes:

4. A one-piece cold end extrusion die for 3D metal printing and forming according to claim 2, wherein, Input core hole is opened in the inner end of bearing base and extends along the transverse direction, and is communicated with the discharge port of raw material extrusion equipment. Guide forming member includes:

5. A one-piece cold tip extrusion die for 3D metal printing forming according to claim 4, wherein, Forming cavity opening is opened in bearing base, and the inner end thereof is communicated with input core hole, and the outer end thereof is exposed from the outer end of bearing base. Heating and heat preservation member includes:

6. A one-piece cold tip extrusion die for 3D metal printing forming according to claim 5, wherein, Heating core hole is provided with a group, and each heating core hole is opened in the side wall of bearing base, extends to the inside of bearing base, and is arranged around forming cavity opening. Cooling and shaping member includes:

7. A one-piece cold tip extrusion die for 3D metal printing forming according to claim 5, wherein, Cooling core hole is provided with a group, and each cooling core hole is opened in the side wall of bearing base, extends to the inside of bearing base, and is arranged around forming cavity opening, and each cooling core hole is communicated with water circulation equipment by pipeline. ​

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