CN210999620U

CN210999620U - Carbon fiber special-shaped spring forming die

Info

Publication number: CN210999620U
Application number: CN201921324021.3U
Authority: CN
Inventors: 马广兴
Original assignee: Suzhou Guangxing Mold Co Ltd
Current assignee: Suzhou Guangxing Mold Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-14
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a carbon fiber special-shaped spring forming die, include: the first die set, the second die set, and a core assembly disposed between the first die set and the second die set, wherein the core assembly comprises: the positioning piece is arranged on the plurality of die cores outside the positioning piece, and the fixing piece is used for fixing the die cores. The utility model discloses have that manufacturing method is simple, easy, maneuverability is strong, saves the cost moreover, resources are saved, and forming die designability is strong, and the die sinking cost is low, the mould is dismantled easily, and the mould pollutes fewly, and forming process is convenient, and the shaping cycle is short, has wide market perspective's beneficial effect.

Description

Carbon fiber special-shaped spring forming die

Technical Field

The utility model relates to the technical field of molds. More specifically speaking, the utility model relates to a carbon fiber special-shaped spring forming die.

Background

Springs are one of the most common basic parts of machines, and are used to control the movement of machine parts, to alleviate impacts or vibrations, to store energy, to measure the magnitude of forces, and so on. The main materials for manufacturing the spring are high-quality carbon steel, alloy steel, non-ferrous metal alloy, etc., but the metal spring also has many defects, such as easy rusting, no corrosion resistance, heavy weight, etc.

Carbon fiber materials have been applied to various social fields, continuous carbon fiber reinforced thermosetting composite materials are more and more commonly used in automobile parts, and short-fiber reinforced composite material springs are prepared by adding short-cut glass fibers or short-cut carbon fibers into plastic products by using processes such as die pressing or injection molding and the like in the market so as to reduce the weight and improve the performance. However, the existing reed pipe forming die is a common spring forming die, only aims at the carbon fiber special-shaped helical spring, is very low in production efficiency, and is unstable in quality of a formed product.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the prior art, the utility model aims at providing a carbon fiber dysmorphism spring forming die and forming method, its manufacturing method is simple, easy going, and maneuverability is strong, saves the cost moreover, resources are saved, and forming die designability is strong, and the die sinking cost is low, the mould is dismantled easily, and the mould pollutes fewly, and forming process is convenient, and the shaping cycle is short, has wide market perspective.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a carbon fiber special-shaped spring forming die, including: a first die set, a second die set, and a die core component arranged between the first die set and the second die set,

wherein, the mold core subassembly includes: the positioning piece is arranged on the plurality of die cores outside the positioning piece, and the fixing piece is used for fixing the die cores.

Preferably, the positioning piece is provided with a plurality of positioning edges on the outer side, and the mold core is provided with a positioning groove matched with the positioning edges on the inner side.

Preferably, the surface of the mold core is a circular arc-shaped concave surface, and the surface of the mold core is provided with a first spring forming groove.

Preferably, the first module is provided with a first placing cavity for placing the mold core assembly, the second module is provided with a second placing cavity for placing the mold core assembly, and the first placing cavity is matched with the second placing cavity.

Preferably, the first cavity of placing with the second place the surface in cavity be radian with mold core radian assorted convex surface, just the first cavity surface of placing has seted up the second spring shaping groove, the second is placed the cavity surface and has seted up the third spring shaping groove.

Preferably, the middle part of the fixing piece is provided with a fixing hole, the front end and the rear end of the mold core are provided with threaded holes, and the fixing piece is fixedly connected with the mold core through the threaded holes and the fixing hole.

Preferably, a first positioning hole is formed in the outer side of the fixing piece, a second positioning hole is formed in the surface of the first module, a third positioning hole is formed in the surface of the second module, and the mold core assembly is accurately positioned with the first module and the second module through the first positioning hole, the second positioning hole and the third positioning hole.

Preferably, the left end and the right end of the first module are provided with die separating grooves convenient for die separation.

The utility model discloses at least, include following beneficial effect: the utility model provides a carbon fiber special-shaped spring forming die, its manufacturing method is simple, easy, and maneuverability is strong, saves the cost moreover, resources are saved, and forming die designability is strong, and the die sinking cost is low, the mould is dismantled easily, and the mould pollutes fewly, and forming process is convenient, and the shaping cycle is short, has wide market perspective.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is an exploded view from another perspective of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mold core assembly according to an embodiment of the present invention.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

As an embodiment of the utility model, refer to fig. 1 ~ 3, the utility model provides a carbon fiber special-shaped spring forming die, it includes: a first die set 11, a second die set 12, and a core assembly 13 disposed between the first die set 11 and the second die set 12,

wherein the core assembly 13 comprises: the positioning device comprises a positioning part 131, a plurality of mold cores 132 arranged outside the positioning part 131, and a fixing part 133 used for fixing the mold cores 132.

Furthermore, a plurality of positioning ribs 1311 are arranged on the outer side of the positioning member 131, positioning grooves 1322 matched with the positioning ribs 1311 are arranged on the inner side of the mold core 132, and the mold core 132 is clamped on the outer side of the positioning member 131 through the positioning ribs 1311 and the positioning grooves 1321 in a matching manner.

Further, the surface of the mold core 132 is a concave surface in the shape of an arc, and a first spring forming groove 1321 is formed in the surface. First module 11 inboard is equipped with and is used for placing core subassembly 13 first places chamber 111, second module 12 inboard is equipped with and is used for placing core subassembly 13's second places chamber 121, first place chamber 111 with the chamber 121 phase-match is placed to the second. The first chamber 111 of placing with the second place the surface of chamber 121 be the radian with mold core 132 radian assorted convex surface, just first place the chamber 111 surface and seted up second spring shaping groove 1111, the second place the chamber 121 surface and seted up third spring shaping groove 1211.

Further, a fixing hole 1331 is formed in the middle of the fixing member 133, threaded holes 1323 are formed in the front end and the rear end of the mold core 132, and the fixing member 133 fixedly connects the mold core 132 through the threaded holes 1323 and the fixing hole 1331. A first positioning hole 1332 is formed in the outer side of the fixing element 133, a second positioning hole 112 is formed in the surface of the first module 11, a third positioning hole 122 is formed in the surface of the second module 12, and the mold core assembly 13 is precisely positioned with the first module 11 and the second module 12 through the first positioning hole 1332, the second positioning hole 112 and the third positioning hole 122, and can be used for fixedly closing the first module 11 and the second module 12. The left end and the right end of the first module 11 are provided with mold splitting grooves 113 convenient for mold splitting.

Further, the forming method of the carbon fiber special-shaped spring forming die comprises the following steps:

s1: cleaning the surface of the carbon fiber bundle, and then fully soaking the carbon fiber bundle after cleaning in glue solution;

s2: clamping a plurality of mold cores to the surface of a positioning piece, fixing by using a fixing piece, and adjusting the position of a first spring forming groove on the surface of each mold core;

s3: spraying a release agent on the surface of the mold core, and winding the carbon fiber bundle after impregnation on the surface of the mold core, wherein the number of winding layers of the carbon fiber bundle is n, and n is more than or equal to 3 and less than or equal to 6;

s4: spraying a release agent on the inner wall surfaces of the first module and the second module, placing the mold core assembly wound with the carbon fiber bundles in the first module, then closing the first module and the second module, butting the position of the first spring forming groove with the positions of the second spring forming groove and the third spring forming groove through xxx, and then placing the shaped spring forming mold after closing the mold into a hot press for hot pressing and curing;

s5: and after cooling, opening the first module and the second module by utilizing the die parting groove, removing the die core assembly, taking out the formed carbon fiber special-shaped spring, polishing and the like on the carbon fiber special-shaped spring, and then carrying out finished product inspection.

As a preferred embodiment of the present invention, in step S1, the glue solution preparation method in the step S1 is as follows: epoxy resin, a defoaming agent, a toughening agent and a flame retardant are mixed according to the mass ratio of 100: 2: 1: 1, preserving heat for 30 minutes in a water bath at 70 ℃, presenting a certain flowing state, taking out, standing for 15 minutes, and adding an amine curing agent, wherein the mass ratio of the amine curing agent to the epoxy resin is 10: 1, then putting the mixture into a three-neck flask for vacuum treatment for 15 minutes to obtain glue solution.

In another preferred embodiment of the present invention, the number of carbon fiber bundles wound in step S3 is 4.

To sum up, the utility model provides a carbon fiber special-shaped spring forming die and forming method, its manufacturing method is simple, easy, and maneuverability is strong, saves the cost moreover, and resources are saved, and forming die designability is strong, and the die sinking cost is low, the mould is dismantled easily, and the mould pollutes fewly, and forming process is convenient, and the shaping cycle is short, has wide market perspective.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. The utility model provides a carbon fiber dysmorphism spring forming die which characterized in that includes: a first die set (11), a second die set (12), and a die core assembly (13) arranged between the first die set (11) and the second die set (12),

wherein the core assembly (13) comprises: the positioning device comprises a positioning part (131), a plurality of mold cores (132) arranged on the outer side of the positioning part (131), and a fixing part (133) used for fixing the mold cores (132).

2. The carbon fiber shaped spring forming die as claimed in claim 1, wherein a plurality of positioning ribs (1311) are arranged on the outer side of the positioning member (131), and positioning grooves (1322) matched with the positioning ribs (1311) are arranged on the inner side of the die core (132).

3. The carbon fiber shaped spring forming die as claimed in claim 2, wherein the surface of the die core (132) is a concave surface in the shape of an arc, and the surface of the die core is provided with a first spring forming groove (1321).

4. The carbon fiber shaped spring forming die as claimed in claim 1, characterized in that a first placing cavity (111) for placing the die core assembly (13) is arranged inside the first die set (11), a second placing cavity (121) for placing the die core assembly (13) is arranged inside the second die set (12), and the first placing cavity (111) is matched with the second placing cavity (121).

5. The carbon fiber shaped spring forming die as claimed in claim 4, wherein the surfaces of the first placing cavity (111) and the second placing cavity (121) are convex surfaces with the radian matched with that of the mold core (132), a second spring forming groove (1111) is formed in the surface of the first placing cavity (111), and a third spring forming groove (1211) is formed in the surface of the second placing cavity (121).

6. The carbon fiber shaped spring forming die as claimed in claim 1, wherein a fixing hole (1331) is formed in the middle of the fixing member (133), threaded holes (1323) are formed in the front end and the rear end of the die core (132), and the fixing member (133) fixedly connects the die core (132) through the threaded holes (1323) and the fixing hole (1331).

7. The carbon fiber shaped spring forming die as claimed in claim 6, wherein a first positioning hole (1332) is formed on the outer side of the fixing member (133), a second positioning hole (112) is formed on the surface of the first die set (11), a third positioning hole (122) is formed on the surface of the second die set (12), and the die core assembly (13) is precisely positioned with the first die set (11) and the second die set (12) through the first positioning hole (1332), the second positioning hole (112) and the third positioning hole (122).

8. The carbon fiber shaped spring forming die as claimed in claim 1, wherein the left and right ends of the first die set (11) are provided with die-splitting grooves (113) for facilitating die splitting.