CN212764884U

CN212764884U - Spoke forming die of split type composite material hub

Info

Publication number: CN212764884U
Application number: CN202021425029.1U
Authority: CN
Inventors: 郑子衡
Original assignee: Dongguan Haoyu Intelligent Composite Material Co ltd
Current assignee: Dongguan Haoyu Intelligent Composite Material Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-23
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a spoke forming die of a split type composite material hub, which comprises an upper die, a lower die and at least two sliders, wherein the upper die is provided with a first forming ring and an upper die insert pin, and the upper die insert pin is arranged in the middle of the first forming ring; the lower die is provided with a second forming ring and a lower die insert pin, the lower die insert pin is arranged in the middle of the second forming ring, at least two sliding blocks are arranged on the lower die, and the at least two sliding blocks are used for moving close to the second forming ring when the die is closed; the inner walls of the at least two sliding blocks are used for forming a first forming cavity at intervals between the inner walls and the outer wall of the second forming ring after the inner walls are close to the second forming ring; the bottom end of the first molding ring and the top end of the second molding ring are used for forming a second molding cavity at a mold closing time interval; the upper die insert pin and the lower die insert pin are used for forming a third molding cavity at a die assembly time interval; the first molding cavity, the second molding cavity and the third molding cavity are communicated. The utility model discloses accessible mould pressing mode shaping spoke, shaping product rigidity is higher.

Description

Spoke forming die of split type composite material hub

Technical Field

The utility model relates to a mould equipment, concretely relates to split type combined material wheel hub's spoke forming die.

Background

At present, a compression molding process is a process method in which a certain amount of prepreg is placed in a matched mold cavity of a metal mold, a press with a heat source is used for generating a certain temperature and pressure, and after mold closing, resin in the prepreg is heated and softened in the mold cavity, flows under pressure, flows full of the resin, fills the mold cavity, is molded and cured under the action of the certain temperature and pressure, so that a composite material product is obtained. The hub comprises a spoke and a rim, the existing hub is mainly formed by adopting a stamping forming mode, and the rigidity of the spoke structure formed by the stamping forming is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide a split type combined material wheel hub's spoke forming die, its accessible mould pressing mode shaping spoke, shaping product rigidity is higher.

The purpose of the utility model is realized by adopting the following technical scheme:

the spoke forming die of the split type composite material hub comprises an upper die, a lower die and at least two sliding blocks, wherein a first forming ring and an upper die embedding needle are arranged on the upper die, and the upper die embedding needle is arranged in the middle of the first forming ring; the lower die is provided with a second forming ring and a lower die insert needle, the lower die insert needle is arranged in the middle of the second forming ring, at least two sliding blocks are arranged on the lower die, the at least two sliding blocks are sequentially distributed around the central axis of the lower die, and the at least two sliding blocks are used for moving close to the second forming ring when the die is closed; the inner walls of the at least two sliding blocks are used for forming a first forming cavity at intervals between the inner walls and the outer wall of the second forming ring after the inner walls are close to the second forming ring; the bottom end of the first molding ring and the top end of the second molding ring are used for forming a second molding cavity at a mold closing time interval; the upper die insert pin and the lower die insert pin are used for forming a third molding cavity at a die assembly time interval; the first molding cavity, the second molding cavity and the third molding cavity are communicated.

Preferably, a groove is formed in the bottom end of the upper die insert pin, a convex block is arranged at the top end of the lower die insert pin, the convex block is used for extending into the groove when die assembly is carried out, and the third forming cavity is formed by the outer wall of the convex block and the inner wall of the groove at intervals.

Preferably, the top end of the sliding block is provided with an ejection groove.

Preferably, the upper die insert pin is mounted on the upper die by a bolt.

Preferably, the lower die insert pin is mounted on the lower die by a bolt.

Preferably, the lower mold insert pins are provided in at least two numbers.

Preferably, the upper die is provided with a guide sleeve, the lower die is provided with a guide post, and the guide post is used for being penetrated into the guide sleeve during die assembly.

Preferably, the number of the slide blocks is three, the lower die is provided with positioning blocks, and the positioning blocks are arranged between every two adjacent slide blocks; two adjacent sliding blocks abut against two side walls of the positioning block during die assembly.

Preferably, both ends of the sliding block are provided with positioning inclined planes, two side walls of the positioning block are provided with guiding inclined planes matched with the positioning inclined plane structures, and the guiding inclined planes are matched with the positioning inclined planes and guide the two adjacent sliding blocks to approach.

Compared with the prior art, the beneficial effects of the utility model reside in that: during molding, prepreg can be placed on a lower die, heating and pressing are carried out after die assembly is carried out, resin in the prepreg can flow in a first molding cavity, a second molding cavity and a third molding cavity after softening, a spoke structure is molded after static cooling, then die opening is carried out, and the rigidity of the molded spoke structure made of carbon fibers is high.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic view of the lower mold structure of the present invention.

In the figure: 10. an upper die; 11. inserting a pin into the upper die; 12. a guide sleeve; 20. a lower die; 21. inserting a pin into the lower die; 22. a second forming ring; 23. a guide post; 24. positioning blocks; 30. a slider; 31. ejecting the groove; 32. positioning the inclined plane; 40. a first molding cavity; 50. a second molding cavity; 60. and a third molding cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The spoke forming mold of the split type composite hub shown in fig. 1, 2 and 3 comprises an upper mold 10, a lower mold 20 and at least two sliding blocks 30, wherein the upper mold 10 is provided with a first forming ring and an upper mold insert pin 11, the upper mold insert pin 11 is arranged in the middle of the first forming ring, the lower mold 20 is provided with a second forming ring 22 and a lower mold insert pin 21, and similarly, the lower mold insert pin 21 is arranged in the middle of the second forming ring 22. The at least two sliding blocks 30 are arranged on the lower die 20, the at least two sliding blocks 30 are distributed around the central axis of the lower die 20 in sequence, and the at least two sliding blocks 30 are used for moving close to the second forming ring 22 when the die is closed.

Specifically, the composite material may adopt a non-metal matrix synthetic resin; reinforcing materials: one of glass fiber, carbon fiber, boron fiber, aramid fiber, silicon carbide fiber and asbestos fiber; more specifically, the composite material can be carbon fiber prepreg cloth or carbon fiber prepreg.

Specifically, the top ends of at least two sliders 30 are spaced apart from the outer wall of the second mold ring 22 to form a first mold cavity 40 after moving close to the second mold ring 22, the bottom end of the first mold ring and the top end of the second mold ring 22 form a second mold cavity 50 at a time interval of mold clamping, the upper mold insert pin 11 and the lower mold insert pin 21 are used to form a third mold cavity 60 at a time interval of mold clamping, and the first mold cavity 40, the second mold cavity 50, and the third mold cavity 60 are communicated with each other.

On the basis of the structure, when the spoke forming mold of the split type composite material wheel hub of the invention is used, when the spoke forming mold is formed, at least two sliders 30 can be moved close to the second forming ring 22 through moving the at least two sliders 30 to the periphery of the second forming ring 22, the bottom ends of the at least two sliders 30 are arranged around the periphery of the second forming ring 22 to form a first forming cavity 40, carbon fiber materials can be placed on the lower mold 20, the upper mold 10 moves downwards to be closed, after the mold is closed, the first forming cavity can correspond to the top end of the second forming ring 22 and form a second forming cavity 50 at intervals, the upper mold embedding needle 11 and the lower mold embedding needle 21 form a third forming cavity 60 at intervals, heating and pressing are carried out, carbon fibers can flow in the first forming cavity 40, the second forming cavity 50 and the third forming cavity 60, and thus, after static cooling, the carbon fibers are formed in the first forming cavity 40 at the lower end, the carbon fiber spoke structure is solidified by flowing through the second molding cavity 50 and the third molding cavity 60 at the top end, and then the mold is opened, so that the formed carbon fiber spoke structure has higher rigidity.

In this embodiment, a groove may be specifically formed at the bottom end of the upper mold insert pin 11, and a bump may be correspondingly formed at the top end of the lower mold insert pin 21, when the mold is closed, the bump may extend into the groove, and a fourth molding cavity is formed between the outer wall of the bump and the inner wall of the groove at an interval.

Further, still can be equipped with on the top of slider 30 and seted up ejecting groove 31, because after the shaping cooling, each slider 30 all laminates with the spoke after the shaping, for better drawing of patterns, can place the iron set in ejecting groove 31, strike backward through outside hammer, drive slider 30 and spoke drawing of patterns can, the drawing of patterns is more convenient.

Further, the upper mold insert 11 in this embodiment may be mounted on the upper mold 10 by bolts, which facilitates the assembly and disassembly.

Similarly, the lower mold insert 21 may be mounted to the lower mold 20 by bolts, which is also easy to assemble and disassemble. More specifically, at least two lower mold inserts 21 may be provided to facilitate replacement.

Preferably, a guide sleeve 12 is further provided on the upper die 10, and a guide post 23 is correspondingly provided on the lower die 20, so that the guide post 23 can be inserted into the guide sleeve 12 during die assembly, thereby guiding the stable and accurate die assembly of the upper die 10 and the lower die 20 and improving the die assembly precision.

Specifically, the number of the sliders 30 may be three, the lower die 20 is provided with positioning blocks 24, the positioning block 24 may be disposed between every two adjacent sliders 30, when the sliders 30 are placed on the lower die 20, the end surfaces of the two adjacent sliders 30 may respectively abut against two side walls of the positioning block 24, the end portions of the sliders 30 are limited by the positioning blocks 24 when the dies are closed, so that displacement is prevented, and the forming structure is more stable.

Furthermore, two ends of the slider 30 may be provided with positioning slopes 32, two guiding slopes are provided corresponding to two side walls of the positioning block 24, the guiding slopes are structurally matched with the positioning slopes 32, when the mold is closed, the positioning slopes 32 of the slider 30 are matched with the guiding slopes of the positioning block 24, the guiding slopes can be close to two adjacent sliders 30, each slider 30 forms a loop under the guidance of the corresponding positioning block 24, and the structure of the formed cavity is more stable. In addition, due to the matching of the inclined plane and the inclined plane, the sliding block 30 can move along the inclined plane to be more convenient to demold during demolding.

While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The spoke forming die of the split type composite material hub is characterized by comprising an upper die, a lower die and at least two sliding blocks, wherein the upper die is provided with a first forming ring and an upper die embedding needle which is arranged in the middle of the first forming ring; the lower die is provided with a second forming ring and a lower die insert needle, the lower die insert needle is arranged in the middle of the second forming ring, at least two sliding blocks are arranged on the lower die, the at least two sliding blocks are sequentially distributed around the central axis of the lower die, and the at least two sliding blocks are used for moving close to the second forming ring when the die is closed; the inner walls of the at least two sliding blocks are used for forming a first forming cavity at intervals between the inner walls and the outer wall of the second forming ring after the inner walls are close to the second forming ring; the bottom end of the first molding ring and the top end of the second molding ring are used for forming a second molding cavity at a mold closing time interval; the upper die insert pin and the lower die insert pin are used for forming a third molding cavity at a die assembly time interval; the first molding cavity, the second molding cavity and the third molding cavity are communicated.

2. A spoke forming mold for a split-type composite material hub according to claim 1, wherein a groove is formed in the bottom end of the upper mold insert pin, a projection is formed in the top end of the lower mold insert pin, the projection is used for extending into the groove when the mold is closed, and the outer wall of the projection and the inner wall of the groove are spaced to form the third molding cavity.

3. A spoke forming mold of a split type composite material hub according to claim 1, wherein an ejecting groove is formed in the top end of the sliding block.

4. A spoke forming mold for a split-type composite hub according to claim 1, wherein the upper mold insert is mounted on the upper mold by bolts.

5. A spoke forming mold for a split-type composite hub according to claim 1, wherein the lower mold insert is mounted on the lower mold through bolts.

6. A spoke forming mold for a split-type composite material hub according to claim 5, wherein at least two lower mold insert pins are provided.

7. A spoke forming mold for a split type composite material hub according to claim 1, wherein a guide sleeve is arranged on the upper mold, and a guide post is arranged on the lower mold, and the guide post is used for being penetrated into the guide sleeve when the mold is closed.

8. The spoke forming mold for a split-type composite hub according to claim 1, wherein three slide blocks are provided, positioning blocks are provided on the lower mold, and the positioning blocks are provided between two adjacent slide blocks; two adjacent sliding blocks abut against two side walls of the positioning block during die assembly.

9. The mold for molding spokes of a split-type composite hub according to claim 8, wherein the two ends of each slider are provided with a positioning slope, the two side walls of the positioning block are provided with guiding slopes structurally matched with the positioning slopes, and the guiding slopes are matched with the positioning slopes and guide the two adjacent sliders to approach each other.