Internal high-pressure extrusion forming device

Abstract

The utility model discloses an internal high-pressure extrusion forming device which comprises a cover plate, a base and at least two bulging water sealing assemblies, an upper mold cavity is formed in the bottom of the cover plate, a lower mold cavity corresponding to the upper mold cavity is formed in the top of the base, and the upper mold cavity can be covered with the lower mold cavity; wherein one bulging water sealing assembly is arranged on the left side of the casting cavity, and the other bulging water sealing assembly is arranged on the right side of the casting cavity. Extrusion forming modules used for conducting extrusion molding on a sectional material are arranged in the upper mold cavity and the lower mold cavity correspondingly. The forming die has the beneficial effects that through the design, the problems that in the actual production process, after first forming machining of a blank is completed, a machined profile needs to be taken out and transferred into a second forming die for secondary shaping, so that the tolerance is large, the quality is low, multiple dies need to be used, the machining cost is high, and the machining efficiency is high can be effectively solved. And the processing efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, especially a high -pressure extrusion forming device in. BACKGROUND

[0002] Now the technology is generally using the product heating, then through the way of rolling forming, but this technology has many problems and shortcomings: need more heavy and more processing blank material, heating and rolling forming product deformation tolerance is bigger, so in the product subsequent processing process in order to achieve the size requirement of product, therefore, need more processing allowance, thereby improve the material cost of product, in addition, traditional heating and rolling forming process is easy to cause interlayer or internal crack because of bending deformation, some even in the processing forming of the later process, the qualified rate is low, thereby leading to low production efficiency, high cost, such as high power consumption and high scrap rate, product forming needs many processes, such as needing heating and rolling, it is well known that the more the production process of a product, the lower the production efficiency will be, the lower the production qualified rate will be, and the higher the cost will be. SUMMARY

[0003] In view of the above-mentioned defects, the utility model discloses a high -pressure extrusion forming device that improves production efficiency, has high production quality and reduces processing procedures.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A high -pressure extrusion forming device, including cover plate, base and at least two expansion water sealing components, wherein the bottom of the cover plate is provided with an upper mold cavity, the top of the base is provided with a lower mold cavity corresponding to the upper mold cavity, the upper mold cavity can be covered with the lower mold cavity, forming a casting cavity for placing the section bar, one expansion water sealing component is arranged on the left side of the casting cavity, another expansion water sealing component is arranged on the right side of the casting cavity, and the output ends of the two expansion water sealing components can extend to the inside of the casting cavity, the inside of the upper mold cavity and the lower mold cavity is provided with an extrusion forming module for extruding and shaping the section bar.

[0006] Preferably, the high -pressure extrusion forming device, the extrusion forming module includes an upper module and a lower module, the upper module is arranged in the inside of the upper mold cavity, and the lower module is arranged in the inside of the lower mold cavity.

[0007] Preferably, the high -pressure extrusion forming device, the upper module includes an upper fixed cavity and an upper movable cavity, the upper fixed cavity and the upper movable cavity are arranged in the inside of the upper mold cavity, and the upper fixed cavity and the upper movable cavity are oppositely arranged.

[0008] Preferably, the inner high-pressure extrusion forming device, the lower right corner of the upper fixed cavity and the lower left corner of the upper movable cavity are provided with first arc chamfering parts.

[0009] Preferably, the inner high-pressure extrusion forming device, the lower fixed cavity and the lower movable cavity are arranged inside the lower mold cavity, and the upper fixed cavity and the upper movable cavity are oppositely arranged.

[0010] Preferably, the inner high-pressure extrusion forming device, the lower right corner of the lower fixed cavity and the lower left corner of the lower movable cavity are provided with second arc chamfering parts.

[0011] Preferably, the inner high-pressure extrusion forming device, the bottom of the cover plate is provided with two first semicircular guide grooves, one of which is arranged at the left end of the cover plate, and the other is arranged at the right end of the cover plate, and the two first semicircular guide grooves are communicated with the upper mold cavity; the top of the base is provided with two second semicircular guide grooves, one of which is arranged at the left end of the base, and the other is arranged at the right end of the base, and the two second semicircular guide grooves are communicated with the lower mold cavity; after the two first semicircular guide grooves and the two second semicircular guide grooves are overlapped, a water sealing channel is formed, and the output ends of the two bulging water sealing assemblies can extend to the inside of the casting cavity through the water sealing channel.

[0012] Preferably, the inner high-pressure extrusion forming device, the bulging water sealing assembly comprises a transmission cylinder and a water outlet pipe, the output end of the transmission cylinder is connected with the water outlet pipe, and the output end of the transmission cylinder is matched with the water sealing channel.

[0013] The utility model discloses a beneficial effect:

[0014] (1) first, the cover plate and the base are overlapped together, and the upper mold cavity of the cover plate and the lower mold cavity of the base form a casting cavity for placing a to-be-processed blank, after the output ends of the two bulging water sealing assemblies extend to the inside of the casting cavity, the bulging water sealing assembly is injected and sealed with water, and when the bulging water sealing assembly continuously injects water into the inside of the casting cavity, the blank in the inside of the casting cavity realizes water bulging forming, therefore, the design improves the processing efficiency of the profile.

[0015] (2) Because the upper mold cavity and the lower mold cavity are provided with the extrusion forming module, the profile material completed water swelling forming can be subjected to a second forming process through the extrusion forming module, thus achieving the purpose of one-time forming of the profile material, and through such design, it can effectively avoid that in the actual production process, after the blank completes the first forming processing, the profile material completed processing needs to be taken out and transferred to a second forming die for secondary shaping, thus leading to large tolerance, low quality, the need to use multiple dies, high processing cost, and low processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of one embodiment of the utility model;

[0017] Figure 2 It is a sectional view of one embodiment of the utility model;

[0018] Figure 3 It is Figure 2 It is a local enlarged view of A-A.

[0019] Among them: including cover plate 11, base 12, bulging water sealing assembly 13, casting cavity 16, extrusion forming module 17, upper module 18, lower module 19, upper fixed cavity 20, upper movable cavity 21, first circular arc chamfer 22, lower fixed cavity 23, lower movable cavity 24, second circular arc chamfer 25, first semicircular guide groove 26, second semicircular guide groove 27, water sealing channel 28, transmission cylinder 29, water outlet pipe 30. DETAILED DESCRIPTION

[0020] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation of the utility model.

[0021] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features, which are used to distinguish the described features and have no order or difference.

[0022] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0023] In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more than two.

[0024] As Figures 1-3 As shown in a kind of high pressure extrusion forming device, including cover plate 11, base 12 and at least two water sealing components 13 of bulging, wherein the bottom of cover plate 11 is equipped with upper die cavity, the top of base 12 is equipped with lower die cavity corresponding with upper die cavity, upper die cavity can be covered with lower die cavity, form the casting cavity 16 for placing section bar;One water sealing component 13 of bulging is arranged at the left side of casting cavity 16, another water sealing component 13 of bulging is arranged at the right side of casting cavity 16, the output end of two water sealing components 13 of bulging can be extended to the inside of casting cavity 16;Upper die cavity and the inside of lower die cavity are equipped with extrusion forming module 17 for extruding section bar to be shaped;First, cover plate 11 and base 12 are covered together, the upper die cavity of cover plate 11 and the lower die cavity of base 12 form the casting cavity 16 for placing to be processed blank, after the output end of two water sealing components 13 of bulging extends to the inside of casting cavity 16, water is injected and the procedure of water sealing is carried out by water sealing component 13 of bulging, when water is continuously injected into the inside of casting cavity 16 by water sealing component 13, the blank inside casting cavity 16 realizes water bulging forming, therefore, the design improves the processing efficiency of section bar.

[0025] Some embodiments in high pressure extrusion forming device, wherein upper die cavity and lower die cavity are equipped with extrusion forming module 17, the section bar that is completed water bulging forming can be carried out second forming procedure by extrusion forming module 17, therefore, realize the purpose of section bar once forming, by such design, it can effectively avoid that blank needs to be taken out after completing first forming processing in actual production process, is transferred to second forming die, carries out second shaping, therefore, lead to large tolerance, low quality, need to use multiple molds, improve the processing cost high, and reduce processing efficiency.

[0026] The inner high-pressure extrusion forming device in the embodiment, wherein the extrusion forming module 17 comprises an upper module 18 and a lower module 19, the upper module 18 is arranged inside the upper die cavity, and the lower module 19 is arranged inside the lower die cavity; wherein the upper module 18 comprises an upper fixed cavity 20 and an upper movable cavity 21, both the upper fixed cavity 20 and the upper movable cavity 21 are arranged inside the upper die cavity, and the upper fixed cavity 20 and the upper movable cavity 21 are oppositely arranged; wherein the lower module 19 comprises a lower fixed cavity 23 and a lower movable cavity 24, both the lower fixed cavity 23 and the lower movable cavity 24 are arranged inside the lower die cavity, and the upper fixed cavity 20 and the upper movable cavity 21 are oppositely arranged; such a design can effectively avoid the risk of extrusion deviation or extrusion asymmetry during the secondary extrusion forming process of the formed profile.

[0027] It is worth noting that the lower right corner of the upper fixed cavity 20 and the lower left corner of the upper movable cavity 21 are both provided with a first circular arc chamfer 22; wherein the lower right corner of the lower fixed cavity 23 and the lower left corner of the lower movable cavity 24 are both provided with a second circular arc chamfer 25; such a design can reduce burrs during the extrusion forming process of the profile, and also reduces the chamfering step, saves the process, and also reduces the workload of the workers.

[0028] The inner high-pressure extrusion forming device in the embodiment, wherein the bottom of the cover plate 11 is provided with two first semicircular guide grooves 26, one of which is arranged at the left end of the cover plate 11, and the other is arranged at the right end of the cover plate 11, and the two first semicircular guide grooves 26 are in communication with the upper die cavity; the top of the base 12 is provided with two second semicircular guide grooves 27, one of which is arranged at the left end of the base 12, and the other is arranged at the right end of the base 12, and the two second semicircular guide grooves 27 are in communication with the lower die cavity; after the two first semicircular guide grooves 26 and the two second semicircular guide grooves 27 are overlapped, a water sealing channel 28 is formed, and the output end of the two bulging water sealing assemblies 13 can extend to the inside of the casting cavity 16 through the water sealing channel 28; such a design plays a positioning and guiding role for the output end of the bulging water sealing assembly 13, avoiding deviation during the extension process of the output end of the bulging water sealing assembly 13.

[0029] The inner high-pressure extrusion forming device in the embodiment, wherein the bulging water sealing assembly 13 comprises a transmission cylinder 29 and a water outlet pipe 30, the output end of the transmission cylinder 29 is connected with the water outlet pipe 30, and the output end of the transmission cylinder 29 is matched with the water sealing channel 28; such a design is more convenient for the transmission cylinder 29 to send the water outlet pipe 30 into the casting cavity 16 to perform injection and water sealing work.

[0030] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the present application.

Claims

1. A high internal pressure extrusion forming apparatus comprising a cover plate, a base and at least two bulge water containment assemblies, characterized in that: The bottom of the cover plate is provided with an upper mold cavity, the top of the base is provided with a lower mold cavity corresponding to the upper mold cavity, the upper mold cavity can be covered with the lower mold cavity to form a casting cavity for placing a profile; One of the water sealing components is arranged on the left side of the casting cavity, and the other water sealing component is arranged on the right side of the casting cavity, and the output ends of the two water sealing components can extend into the casting cavity. The inside of the upper mold cavity and the lower mold cavity is provided with an extrusion molding module for extruding and shaping the profile.

2. The internal high-pressure extrusion forming apparatus according to claim 1, characterized by: The extrusion molding module includes an upper module and a lower module, the upper module is arranged inside the upper mold cavity, and the lower module is arranged inside the lower mold cavity.

3. The internal high-pressure extrusion forming apparatus according to claim 2, characterized by: The upper module includes an upper fixed cavity and an upper movable cavity, both of which are arranged inside the upper mold cavity, and the upper fixed cavity and the upper movable cavity are arranged opposite to each other.

4. The internal high-pressure extrusion forming apparatus according to claim 3, characterized by: The lower right corner of the upper fixed cavity and the lower left corner of the upper movable cavity are both provided with a first circular arc chamfer.

5. The internal high-pressure extrusion forming apparatus according to claim 3, characterized by: The lower module includes a lower fixed cavity and a lower movable cavity, both of which are arranged inside the lower mold cavity, and the upper fixed cavity and the upper movable cavity are arranged opposite to each other.

6. The internal high-pressure extrusion forming apparatus according to claim 5, characterized by: The lower right corner of the lower fixed cavity and the lower left corner of the lower movable cavity are both provided with a second circular arc chamfer.

7. The internal high-pressure extrusion forming apparatus according to claim 1, characterized by: The bottom of the cover plate is provided with two first semicircular guide grooves, one of which is arranged on the left side of the cover plate, and the other is arranged on the right side of the cover plate, and the two first semicircular guide grooves are communicated with the upper mold cavity. The top of the base is provided with two second semicircular guide grooves, one of which is arranged on the left side of the base, and the other is arranged on the right side of the base, and the two second semicircular guide grooves are communicated with the lower mold cavity. After the two first semicircular guide grooves and the two second semicircular guide grooves are covered, a water sealing channel is formed, and the output ends of the two water sealing components can extend into the casting cavity through the water sealing channel.

8. The internal high-pressure extrusion forming apparatus according to claim 7, characterized by: The water sealing component includes a transmission cylinder and a water outlet pipe, the output end of the transmission cylinder is connected with the water outlet pipe, and the output end of the transmission cylinder is matched with the water sealing channel.

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