CN222039292U - Carbon fiber composite material snowmobile body forming die - Google Patents

Abstract

The utility model provides a carbon fiber composite material snowmobile body forming die which comprises an upper die and a lower die which are mutually matched, wherein the outer walls of two sides of the upper die are provided with soaking grooves along the pneumatic shape of a snowmobile body in a cavity, the outer walls of the upper die are divided into a plurality of cavities by the soaking grooves, a cover plate is covered on the soaking grooves to form an upper soaking cavity in the soaking grooves, lower soaking cavities are distributed in the die of the lower die along the pneumatic shape of the snowmobile body in the cavity, the upper die is divided into a plurality of modules, and the modules are detachably connected to the upper end of the lower die. The utility model has the beneficial effects that the requirement of integral molding of the vehicle body can be met, the blocking and combining design of the mold is convenient for controlling the molding details of the vehicle body and demolding after the vehicle body is molded, the design of heat capacity such as an upper soaking cavity, a lower soaking cavity and the like can ensure that heat energy is uniformly transferred, the requirements of heat transfer and pressure transfer of the mold are met, and the requirement of vacuum air tightness is met.

Description

Carbon fiber composite material snowmobile body forming die

Technical Field

The utility model belongs to the field of forming dies, and particularly relates to a carbon fiber composite snowmobile body forming die.

Background

The snowmobile body is made of carbon fiber composite materials, the outstanding molding characteristics of the carbon fiber composite materials are that the molding of the materials and the molding of the components are completed simultaneously, the procedures of heating, pressurizing and vacuumizing are needed to be carried out simultaneously in the molding process of the composite materials based on the reaction characteristics of the composite materials and the specific requirements of the quality of the composite materials, and the shape and position precision of the composite materials are needed to be ensured by virtue of a mold, so that the mold structure must meet the requirements of easy heat transfer, pressure transmission, good vacuum tightness and the like.

And one side of the front part of the snowmobile body is provided with rudder pit, the upper end of the vehicle body is provided with a flanging with a round angle at the position of the cockpit in the vehicle body, and in order to ensure the integral performance of the snowmobile body, the mould is required to meet the integral molding requirement of the snowmobile body.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a carbon fiber composite snowmobile body forming die which is applied to the development process of domestic snowmobile for the first time, can meet the requirement of integrated forming of the snowmobile body, wherein an upper die and a lower die are designed in a split mode along a pneumatic external interface, the split combination design of the die is convenient for controlling forming details, particularly the die is convenient for demoulding from the die after the snowmobile body is formed, and an upper soaking cavity and a lower soaking cavity are arranged, so that the heat energy can be uniformly transferred while the strength of the die is ensured, the requirements of heat transfer and pressure transfer of the die are met, and the requirement of vacuum tightness is also ensured.

In order to solve the technical problems, the utility model adopts the following technical scheme: the upper die and the lower die are connected through a connecting component, a plurality of soaking grooves are formed in the outer walls of two sides of the upper die along the pneumatic shape of the snowmobile body in the cavity, the outer walls of the upper die are divided into a plurality of accommodating cavities by the soaking grooves, cover plates are covered on the soaking grooves, so that an upper soaking cavity is formed in the soaking grooves and is used for uniformly heating prepreg in the cavity of the upper die, and lower soaking cavities are distributed in the die of the lower die along the pneumatic shape of the snowmobile body in the cavity and are used for uniformly heating prepreg in the cavity of the lower die;

The upper die is divided into a plurality of modules which are detachably connected to the upper end of the lower die.

Further, the upper die comprises a first die and a fifth die which are positioned on one side of the lower die, and a rudder pit die set and a sixth die set which are oppositely arranged on the other side of the lower die.

Further, a plurality of lower reinforcing ribs are arranged in the die body of the lower die in a staggered mode, and the lower soaking cavity is formed in an area surrounded by the lower reinforcing ribs.

Further, rudder pit modules correspond to the first modules, and comprise a second module, a third module and a fourth module which are sequentially arranged, and the inner end of the third module protrudes towards the cavity of the upper die.

Further, a lower insert corresponding to the third module is embedded in one side of the lower die, and the third module and the lower insert are used for forming the vehicle body rudder pit.

Further, openings are formed in the same side ends of the upper die and the lower die, and side inserts are connected to limit the length of the car body.

Further, an arc-shaped clamping groove is formed in the inner side of the upper end of the first module and the inner side of the upper end of the fourth module in a combined mode, and an upper insert is inserted into the clamping groove and used for forming a round angle at the upper end of a vehicle body.

Further, the first module is connected to the rudder pit groups through a connection plate.

Further, the die comprises a platform, wherein the lower die is fixed on the platform, and a plurality of grooves are formed in the lower end of the platform.

Further, lifting rings for lifting are arranged on two sides of the platform, and lifting ring screws for lifting are arranged on the modules of the upper die, two sides of the lower die, the upper insert and the side insert.

The utility model has the advantages and positive effects that:

1. By adopting the technical scheme, the upper die and the lower die are designed in a split mode and a split combined mode along the pneumatic appearance interface, wherein the upper die is divided into six modules, and all the modules are directly buckled, so that prepreg can be laid along the pneumatic appearance in the cavity, the whole die cavity is paved, the consistency of the molding details of the die and the performance of the molded snowmobile body is ensured, the molded snowmobile body is convenient to demold, and the convenience of use is ensured.

2. The third module and the concatenation of inserting down, the shaping demand to rudder pit profile on having satisfied the automobile body, go up the insert and peg graft in the arc recess, have satisfied the turn-ups shaping demand that cockpit position has the fillet in the automobile body, the setting of side insert has satisfied the automobile body length and can directly be the demand of net size of shaping, guarantee the processing technology nature and the fashioned economic nature of product, third module, insert down, go up insert and side insert can make automobile body integrated into one piece, guarantee the wholeness of follow-up snowmobile equipment.

3. The soaking grooves are formed along the outer wall of the upper die, so that the wall thickness of the upper die is reduced, the heat energy is conveniently transferred, the cover plate is covered outside the soaking grooves, an upper soaking cavity is formed in the soaking grooves, after the die is heated, the heat energy is uniformly transferred, and upper reinforcing ribs are formed between the adjacent soaking grooves, so that the uniformity of a temperature field of the die is facilitated, the strength requirement of the die is met, and the uniformity of the product performance is ensured when the die is matched with a snowmobile head in the follow-up process;

The lower mold is internally surrounded by a plurality of lower reinforcing ribs which are distributed in a staggered way to form a lower soaking cavity, and the lower reinforcing ribs meet the strength requirement on the lower mold and also enable heat energy to be transferred uniformly;

The equal heat capacity design formed by the upper soaking cavity and the lower soaking cavity ensures that the temperature of the die is uniformly increased, which is beneficial to the consistency of the product performance of the snowmobile body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a soaking tank structure according to the present utility model;

FIG. 3 is a schematic view of the lower die structure of the present utility model;

FIG. 4 is a cross-sectional view of the utility model A-A;

fig. 5 is a top cross-sectional view of the present utility model.

In the figure:

1. a platform; 101. a hoisting ring;

2. A lower die; 21. a lower insert; 22. a lower special-shaped cavity; 23. a lower reinforcing rib; 24. a lower soaking cavity;

3. An upper die; 31. a first module; 311. a first groove;

32. a second module; 321. a second groove; 33. a third module; 34. a fourth module;

35. A fifth module; 351. an upper special-shaped cavity; 36. a sixth module; 37. a soaking groove;

4. An upper insert;

5. A, connecting a plate; 51. b, connecting a plate;

6. side inserts.

Detailed Description

The utility model is further described below with reference to examples and figures.

As shown in fig. 1 to 5, the present embodiment provides a carbon fiber composite snowmobile body forming mold, which includes an upper mold 3 and a lower mold 2 that are mutually engaged, the upper mold 3 is detachably connected to the upper end of the lower mold 2 through a connecting component, a plurality of soaking grooves 37 are arranged on the outer walls of two sides of the upper mold 3 along the pneumatic shape of the snowmobile body in a cavity, the plurality of soaking grooves 37 divide the outer wall of the upper mold 3 into a plurality of cavities, cover plates are covered on the soaking grooves 37, namely, the outer walls of two sides of the upper mold 3 are covered with cover plates, and are connected through screws, and the cover plates enable the soaking grooves 37 to form an upper soaking cavity for uniformly heating prepreg in the cavity of the upper mold 3;

In the mold body of the lower mold 2, a plurality of lower soaking cavities 24 are distributed along the pneumatic shape of the snowmobile body in the mold cavity and are used for uniformly heating the prepreg in the mold cavity of the lower mold 2. Specifically, a plurality of lower reinforcing ribs 23 are crisscrossed in the die body of the lower die 2, and a lower soaking cavity 24 is formed in a region surrounded by the plurality of lower reinforcing ribs 23.

And a plurality of positioning holes are formed along the lower end of the outer wall of the upper die 3 and at the corresponding position of the lower die 2, and the connecting assembly comprises an internal thread cylindrical pin and a screw which are connected in the positioning holes to complete the detachable connection of the upper die 3 and the lower die 2.

The cavity of the upper die 3 is matched with the shape of the pneumatic shape upper half of the snowmobile body, and the upper die 3 comprises a first die block 31 and a fifth die block 35 which are positioned on one side of the lower die 2, and a rudder pit die block and a sixth die block 36 which are oppositely arranged on the other side of the lower die 2. Opposite upper profiled cavities 351 are provided at the lower end of the fifth module 35 and at the lower end of the sixth module 36.

The rudder pit module corresponds to the first module 31, the first module and the second module are connected through a connecting plate group, the rudder pit module comprises a second module 32, a third module 33 and a fourth module 34 which are sequentially arranged, and the inner end of the third module 33 protrudes upwards into the cavity of the die 3.

The connecting plate group comprises an A connecting plate 5 for connecting the first modules 31 and rudder pit and a B connecting plate 51 for connecting the rudder pit modules, specifically, a first groove 311 extending to the junction of the rudder pit modules is arranged on the first module 31, grooves are formed in the upper ends of the second module 32, the third module 33 and the fourth module 34, the three grooves are combined to form a second groove 321 corresponding to the first groove, the A connecting plate 5 connects the first groove 311 with the side end of the second groove 321 through bolts, and the B connecting plate 51 connects the second module 32, the third module 33 and the fourth module 34 through bolts.

The novel automobile comprises an upper insert 4, wherein an arc-shaped clamping groove is formed in the inner side of a first module 31 and the inner side of a fourth module 34 in a combined mode, and the upper insert 4 is inserted into the arc-shaped clamping groove and used for forming a round angle at the upper end of an automobile body.

The upper ends of the two sides of the lower die 2 are respectively provided with a lower special-shaped cavity 22 corresponding to the upper special-shaped cavity 351, the upper special-shaped cavity and the lower special-shaped cavity are combined into a flank of the vehicle body, the lower die 2 and the same side of the third module 33 are embedded with a lower insert 21, and the lower insert 21 corresponds to the bulge of the third module 33 and is used for forming the vehicle body rudder pit.

The side insert 6 is connected with the side ends of the upper die 3 and the lower die 2 through bolts and used for limiting the length of the vehicle body.

Including platform 1, bed die 2 fixed connection is equipped with a plurality of recesses in the upper end of platform 1 at the upper end of platform 1 for reduce the thickness of platform 1 up end, all be provided with the hoist and mount ring 101 that is used for hoist and mount in the both sides of platform 1, the mould hoist and mount of being convenient for.

In order to facilitate the lifting of the modules of the upper die 3, lifting screws for lifting are arranged on the modules of the upper die 3, namely the upper ends of the first module 31, the second module 32, the third module 33, the fourth module 34, the fifth module 35 and the sixth module 36, and are arranged on two sides of the lower die 2, the upper insert 4 and the side insert 6.

The working procedure of this example:

The upper insert 4 is inserted in the arc-shaped groove and connected with the first module 31 and the fourth module 34 through bolts, the side insert 6 is connected with the side end of the mould through bolts, the prepreg is laid into the cavities of the upper mould 3 and the lower mould 2, a layer of vacuum bag is covered outside the prepreg and fixed through sealing strips, the mould is sent into the autoclave through the lifting ring 101 and the lifting ring screw, the vacuum bag is vacuumized, the mould is heated and pressurized, and the prepreg is crosslinked and solidified to form a carbon fiber composite car body product piece.

When heat energy is transferred to the mold, the upper mold 3 passes through the upper soaking cavity, the lower mold 2 passes through the lower soaking cavity 24, materials in the mold are heated uniformly, after molding is completed, the upper insert 4 and the side insert 6 are removed, the upper mold 3 is removed in a split mode, and the molded snowmobile body is demolded.

The foregoing detailed description of one or more embodiments of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (10)

1. The utility model provides a carbon fiber composite snowmobile automobile body forming die which characterized in that: the device comprises an upper die (3) and a lower die (2) which are connected through a connecting assembly, wherein a plurality of soaking grooves (37) are formed in the outer walls of two sides of the upper die (3) along the pneumatic shape of a snowmobile body in a cavity, the outer walls of the upper die (3) are divided into a plurality of accommodating cavities by the plurality of soaking grooves (37), cover plates are covered on the plurality of soaking grooves (37), so that an upper soaking cavity is formed in the soaking grooves (37) and is used for uniformly heating prepreg in the cavity of the upper die (3), and lower soaking cavities (24) are distributed in the die body of the lower die (2) along the pneumatic shape of the snowmobile body in the cavity and are used for uniformly heating prepreg in the cavity of the lower die (2);

The upper die (3) is divided into a plurality of modules which are detachably connected to the upper end of the lower die (2).

2. The carbon fiber composite snowmobile body forming die of claim 1, wherein: the upper die (3) comprises a first die block (31) and a fifth die block (35) which are positioned on one side of the lower die (2), and a rudder pit die block and a sixth die block (36) which are oppositely arranged on the other side of the lower die (2).

3. The carbon fiber composite snowmobile body forming die of claim 1, wherein: a plurality of lower reinforcing ribs (23) are arranged in the die body of the lower die (2) in a staggered mode, and a lower soaking cavity (24) is formed in an area surrounded by the lower reinforcing ribs (23).

4. The carbon fiber composite snowmobile body forming die of claim 2, wherein: the rudder pit module corresponds to the first module (31) and comprises a second module (32), a third module (33) and a fourth module (34) which are sequentially arranged, and the inner end of the third module (33) protrudes into the cavity of the upper die (3).

5. The carbon fiber composite snowmobile body forming die of claim 4, wherein: a lower insert (21) corresponding to the third module (33) is embedded in one side of the lower die (2), and the third module (33) and the lower insert (21) are used for forming a vehicle body rudder pit.

6. The carbon fiber composite snowmobile body forming die of claim 4, wherein: openings are formed in the same side ends of the upper die (3) and the lower die (2), and side inserts (6) are connected to limit the length of the vehicle body.

7. The carbon fiber composite snowmobile body forming die of claim 6, wherein: the inner side of the upper end of the first module (31) and the inner side of the upper end of the fourth module (34) are combined and provided with arc-shaped clamping grooves, and the upper insert (4) is inserted into the clamping grooves and used for forming round corners of the upper end of a vehicle body.

8. The carbon fiber composite snowmobile body forming die of claim 2, wherein: the first module (31) is connected with the rudder pit groups through connecting plates.

9. The carbon fiber composite snowmobile body forming die of claim 7, wherein: the mold comprises a platform (1), wherein the lower mold (2) is fixed on the platform (1), and a plurality of grooves are formed in the lower end of the platform (1).

10. The carbon fiber composite snowmobile body forming die of claim 9, wherein: lifting rings (101) for lifting are arranged on two sides of the platform (1), and lifting screws for lifting are arranged on a plurality of modules of the upper die (3), two sides of the lower die (2), the upper insert (4) and the side insert (6).