CN212764888U

CN212764888U - Rim forming die of split type composite material hub

Info

Publication number: CN212764888U
Application number: CN202021426005.8U
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 rim 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 an upper die insert pin; the lower die is provided with a forming ring and a lower die embedding needle, the lower die embedding needle is arranged in the middle of the 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 forming ring when the die is closed; the bottom ends of the at least two sliding blocks are used for forming a first molding cavity at intervals between the bottom ends of the at least two sliding blocks and the outer wall of the molding ring after the bottom ends of the at least two sliding blocks are close to the molding ring; the top ends of the at least two sliding blocks are used for forming a second molding cavity with the outer wall of the upper die insert pin at intervals when the die is closed; the first molding cavity and the second molding cavity are communicated; the bottom end of the upper die insert pin is abutted against the top end of the lower die insert pin. The utility model discloses a split type combined material wheel hub's rim forming die, its accessible mould pressing mode shaping rim, shaping product rigidity is higher.

Description

Rim 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 rim 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 conventional wheel hub is generally formed in a stamping forming mode, the wheel hub comprises a spoke and a rim, the wheel hub is formed by separately forming the spoke and the rim in the stamping forming mode and then is assembled in the later period, but the rigidity of the rim formed by stamping and forming aluminum alloy is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a split type combined material wheel hub's rim forming die, its accessible mould pressing mode shaping rim, shaping product rigidity is higher.

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

the rim forming die of the split type composite material hub comprises an upper die, a lower die and at least two sliding blocks, wherein an upper die insert pin is arranged on the upper die; the lower die is provided with a forming ring and a lower die embedding needle, the lower die embedding needle is arranged in the middle of the 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 forming ring when the die is closed; the bottom ends of the at least two sliding blocks are used for forming a first molding cavity at intervals between the bottom ends of the at least two sliding blocks and the outer wall of the molding ring after the bottom ends of the at least two sliding blocks are close to the molding ring; the top ends of the at least two sliding blocks are used for forming a second molding cavity with the outer wall of the upper die insert pin at intervals when the die is closed; the first molding cavity and the second molding cavity are communicated; the bottom end of the upper die insert pin is abutted against the top end of the lower die insert pin.

Preferably, a convex block is convexly arranged in the middle of the forming ring; the lower die insert pin is sleeved outside the convex block.

Preferably, the upper die insert pin is provided with a guide hole, the projection is provided with a guide post, and the guide post is used for being penetrated in the guide hole.

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 number of the sliding blocks is four, the lower die is provided with four positioning grooves, and the sliding blocks are slidably mounted in the positioning grooves in a one-to-one correspondence manner.

Preferably, the outer wall of the sliding block is formed into a pressed inclined surface, the upper die is provided with at least two pressing inclined surfaces, and the at least two pressing inclined surfaces are used for being in one-to-one correspondence with the at least two pressed inclined surfaces in sliding fit during die assembly so as to guide the at least two sliding blocks to move close to the forming ring.

Preferably, the middle end of the sliding block protrudes out of the inner side wall of the sliding block and forms a forming strip, the forming strip divides the sliding block into a first forming section and a second forming section, the first forming section is provided with a first step, the second forming section is provided with a second step, and the first step and the second step are both retracted into the forming strip.

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, resin in the prepreg can flow in a first molding cavity and a second molding cavity after softening, a rim structure is molded after static cooling, then die opening is carried out, and the rigidity of the molded rim 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.

In the figure: 10. an upper die; 11. inserting a pin into the upper die; 111. a guide hole; 12. pressing the inclined plane; 20. a lower die; 21. inserting a pin into the lower die; 22. forming a ring; 23. a bump; 24. positioning a groove; 30. a slider; 31. forming a strip; 32. a first step; 33. a second step; 34. ejecting the groove; 35. a pressure ramp; 40. a first molding cavity; 50. a second 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 rim forming die of the split type composite material hub comprises an upper die, a lower die and at least two sliding blocks, wherein an upper die embedding needle is arranged on the upper die, a forming ring and a lower die embedding needle are arranged on the lower die, and the lower die embedding needle is arranged in the middle of the forming ring. The at least two sliding blocks are arranged on the lower die, are distributed in sequence around the central axis of the lower die, and are used for moving close to the forming ring when the die is closed.

Specifically, the bottom ends of at least two sliding blocks form a first molding cavity at intervals between the bottom ends and the outer wall of the molding ring after the bottom ends are close to the molding ring to move. When the mold is closed, the tip of the slider and the outer wall of the upper mold insert pin are spaced apart from each other to form a second cavity, and the first and second cavities are penetrated. Further, the bottom ends of the upper and lower die insert pins abut against each other when the upper and lower die insert pins are clamped.

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.

On the basis of the structure, when the rim forming die of the split type composite material wheel hub is used, when the split type composite material wheel hub is formed, at least two sliders can be moved close to the forming ring through moving the sliders, the sliders move to the periphery of the forming ring, the bottom ends of the sliders are arranged on the periphery of the forming ring in an enclosing manner to form a first forming cavity, carbon fiber materials can be placed on the lower die, the upper die moves downwards to carry out die assembly, after the die assembly, the top ends of the sliders are arranged on the periphery of the upper die insert pin in an enclosing manner and form a second forming cavity at intervals, the upper die insert pin is mutually abutted with the lower die insert pin, heating and pressing are carried out, carbon fiber can flow in the first forming cavity and the second forming cavity, so after static cooling, the first forming cavity and the second forming cavity which are positioned on the outer ring in an up-and down corresponding manner can correspond to the rim structure of the forming wheel hub, then die assembly is carried out, the rim structure of fashioned carbon fiber, and the rim structural rigidity of carbon fiber is higher.

In this embodiment, the middle of the specific forming ring is provided with a convex block, the lower die insert pin is sleeved outside the convex block, and during forming, the convex block can correspond to the middle of the inserted upper die insert pin, so that the upper die insert pin and the lower die insert pin can be better embedded.

More specifically, the insert pin of the upper die can be provided with a guide hole, the corresponding bump is provided with a guide post, when the die is closed, the guide post can be penetrated in the guide hole to guide the upper die and the lower die to be accurately closed, so that the deviation in the die closing process is prevented, and the structural precision of the formed rim is higher.

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

Further, the upper die insert pin in the embodiment can be mounted on the upper die through the bolt, so that the upper die insert pin is convenient to disassemble and assemble.

Preferably, the slider in this embodiment is equipped with four, corresponds and is equipped with four constant head tanks on the lower mould, when the shaping, can with the gliding installation in each constant head tank of each slider one-to-one, specifically, the four sides of lower mould can be located to four constant head tanks, four slider one-to-ones are by four constant head tank embeddings, each slider slides in each constant head tank, alright accuracy is close to the shaping circle, the accurate compound die of being convenient for.

Further, the outer wall of the sliding block can be formed into a pressed inclined surface, at least two jacking inclined surfaces are correspondingly arranged on the upper die, the at least two jacking inclined surfaces are used for being in one-to-one correspondence with the at least two pressed inclined surfaces in sliding fit when die assembly is carried out, the pressed inclined surfaces of the sliding block can be jacked by the jacking inclined surfaces of the upper die when the die assembly is carried out, downward force is decomposed into transverse force, the sliding block is pushed to move close to a forming ring, each sliding block forms a ring under the guidance of the corresponding jacking inclined surfaces, and the formed cavity structure is more stable. In addition, due to the matching of the inclined plane and the inclined plane, the sliding block can move along the inclined plane to be demolded more conveniently during demolding.

More specifically, the middle end of the sliding block protrudes out of the inner side wall of the sliding block and is formed into a forming strip, the forming strip divides the sliding block into a first forming section and a second forming section, the first forming section is provided with a first step, the second forming section is provided with a second step, and the first step and the second step are both retracted into the forming strip. So, after the compound die, first step is located the second molding chamber, and the shaping strip is located between first molding chamber and the second molding chamber, and the second step is located first molding chamber, and rim structure inner circle after so shaping can from top to bottom shaping bulge structure, improves the rim intensity after the shaping.

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 rim 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 an upper die insert pin is arranged on the upper die; the lower die is provided with a forming ring and a lower die embedding needle, the lower die embedding needle is arranged in the middle of the 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 forming ring when the die is closed; the bottom ends of the at least two sliding blocks are used for forming a first molding cavity at intervals between the bottom ends of the at least two sliding blocks and the outer wall of the molding ring after the bottom ends of the at least two sliding blocks are close to the molding ring; the top ends of the at least two sliding blocks are used for forming a second molding cavity with the outer wall of the upper die insert pin at intervals when the die is closed; the first molding cavity and the second molding cavity are communicated; the bottom end of the upper die insert pin is abutted against the top end of the lower die insert pin.

2. The rim forming mold of the split type composite hub as claimed in claim 1, wherein a projection is convexly provided at the middle part of the forming ring; the lower die insert pin is sleeved outside the convex block.

3. The rim forming mold for a split type composite hub according to claim 2, wherein the upper mold insert pin is provided with a guide hole, and the protrusion is provided with a guide post for penetrating into the guide hole.

4. The rim forming mold for a split type composite hub as claimed in claim 1, wherein the top end of the sliding block is provided with an ejecting slot.

5. The rim forming die for a split composite hub of claim 1, wherein the upper die insert pin is mounted to the upper die by bolts.

6. The rim forming mold for a split type composite hub as claimed in claim 1, wherein the number of the sliding blocks is four, the lower mold has four positioning grooves, and each sliding block is slidably mounted in each positioning groove in a one-to-one correspondence.

7. The split composite hub rim molding die of claim 1, wherein the outer wall of the sliding block is formed as a pressed inclined surface, the upper die is provided with at least two pressing inclined surfaces, and the at least two pressing inclined surfaces are used for sliding fit with the at least two pressed inclined surfaces in a one-to-one correspondence during die assembly so as to guide the at least two sliding blocks to move close to the molding ring.

8. The rim forming mold for a split type composite hub as claimed in claim 1, wherein the middle end of the slider protrudes from the inner sidewall of the slider and is formed as a forming strip, the forming strip divides the slider into a first forming section and a second forming section, the first forming section is provided with a first step, the second forming section is provided with a second step, and the first step and the second step are both retracted into the forming strip.