CN113001860A

CN113001860A - Rapid heating and cooling composite material forming equipment

Info

Publication number: CN113001860A
Application number: CN202110257182.0A
Authority: CN
Inventors: 王孝军; 张守玉; ***; 杨杰; 水锋; 敬雪峰
Original assignee: Nanjing Tesu Composite Material Co ltd
Current assignee: Nanjing Tesu Composite Material Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-06-22

Abstract

The patent discloses a combined material shaping equipment heats up and cools down fast has solved the problem that the temperature rose fast in current mould pressing process through mould design and forming process. The molding equipment comprises an upper die heating area, an upper die cooling area, a lower die heating area and a lower die cooling area; the heating area and the cooling area are integrated, the heating and heat transfer efficiency is guaranteed, meanwhile, the heating principle of 'four columns one couple' is adopted, namely, every four heating columns are provided with one thermocouple, the isothermal property of the mold heating is guaranteed, and meanwhile, local temperature parameters can be adjusted according to the requirements of products. In addition, the integrated die adopts a functional layering division mode of a heating area and a cooling area, and the effect of quickly heating and cooling is achieved. The gentle accuse temperature that becomes more meticulous of quick lift of this patent can prepare high-end mould pressing product.

Description

Rapid heating and cooling composite material forming equipment

Technical Field

The invention belongs to the field of composite materials, and particularly relates to a rapid heating and cooling composite material forming device.

Background

Products prepared by adopting a compression molding process are widely applied to the fields of aerospace, rail transit, automobile parts, new energy development and the like, but the industrial molding press has the problems of low temperature rising speed, low temperature lowering speed, incapability of independently controlling local temperature and the like.

In chinese patent CN201910820456.5 patent, the inboard mid-mounting of lower mould subassembly has first heat-conducting plate, goes up the inboard mid-mounting of mould subassembly and has the second heat-conducting plate, and heating element is all installed to first heat-conducting plate below and second heat-conducting plate top, and this mould rate of heating is slow and can't realize the accuse temperature that becomes more meticulous.

In order to solve the technical problem, the patent develops a rapid heating and cooling composite material forming device.

Disclosure of Invention

The invention aims to provide a rapid temperature rise and drop composite material forming device which can achieve rapid temperature rise and drop and accurate local temperature control in the mould pressing process.

The purpose of the invention is realized as follows: the heating area and the cooling area of the mold adopt an integrated structure mode, so that seamless and rapid heat transmission is guaranteed; meanwhile, the heating area and the cooling area are functionally divided in a hierarchical manner, so that the functional non-interference operation is realized. Specifically, a grid refinement method is adopted in the heating area, namely, the heating platform is divided into a plurality of unit heating areas, and independent heating and temperature control are carried out on the unit heating areas, so that refined temperature control is realized; meanwhile, the unit heating area adopts a heating mode of 'four columns and one couple', namely, each unit is independently provided with 4 induction heating modes and 1 temperature control device, so that rapid heating and refined temperature control are realized, the isothermal property of mold heating is ensured, and meanwhile, local temperature parameters can be adjusted according to the requirement of a product. In addition, a heating area and a cooling area layering mode is adopted, and when the heating area stops working and the cooling area is rapidly filled with cooling water, the effect of rapid cooling can be achieved.

Furthermore, the upper die heating area is divided into a plurality of units by taking a square grid as a principle, the first row is respectively a 1-1a unit temperature control area, a 1-2a unit temperature control area, a 1-3a unit temperature control area, a 1-4a unit temperature control area and the like, and the 4 th row of … … is respectively a 4-1a unit temperature control area, a 4-2a unit temperature control area, a 4-3a unit temperature control area, a 4-4a unit temperature control area and the like; each unit is provided with 4 induction heating cylinders, so that the unit rapid heating is ensured, and meanwhile, the center of the heating cylinder is provided with a thermocouple connected to the cooling area of the upper die, so that the refined temperature control is realized.

Furthermore, an upper die cooling area is positioned below the upper die heating area, and the cooling mode adopts water cooling; the cooling channel is positioned right below the heating column and penetrates through the die; and a cooling channel is arranged below each heating column, so that the cooling timeliness is ensured.

Furthermore, the lower die heating area is divided into a plurality of units by the principle of square grids, the first row is respectively a 1-1b unit temperature control area, a 1-2b unit temperature control area, a 1-3b unit temperature control area, a 1-4b unit temperature control area and the like, and the 4 th row of … … is respectively a 4-1b unit temperature control area, a 4-2b unit temperature control area, a 4-3b unit temperature control area, a 4-4b unit temperature control area and the like (the division is similar to the upper die and the drawing is not shown); each unit is provided with 4 induction heating cylinders, so that the unit rapid heating is ensured, and meanwhile, the center of the heating cylinder is provided with a thermocouple connected to a cooling area of the lower die, so that the refined temperature control is realized.

Furthermore, a cooling area of the lower die is positioned above a heating area of the lower die, and the cooling mode adopts water cooling; the cooling channel is positioned right above the heating column and penetrates through the die; and a cooling channel is arranged below each heating column, so that the cooling timeliness is ensured.

The invention has the beneficial effects that: in the molding process of mould pressing, can go up and down the temperature fast and meticulous accuse temperature, but according to the product demand local accuse temperature setting.

Drawings

FIG. 1 is an overall schematic of the present invention.

Fig. 2 is a schematic front sectional view.

FIG. 3 is a schematic diagram of a four-column-one-couple principle.

1-upper die heating area, 2-upper die cooling area, 3-lower die cooling area, 4-lower die heating area, 5-upper die heating column, 6-upper die thermocouple, 7-upper die cooling channel, 8-lower die cooling channel, 9-lower die thermocouple and 10-lower die heating column.

Detailed description of the preferred embodiments

The following further describes the embodiments of the present invention with reference to fig. 1-3.

The invention relates to a rapid temperature rise and drop composite material forming device which comprises an upper die heating area 1, an upper die cooling area 2, a lower die cooling area 3, a lower die heating area 4, an upper die heating column 5, an upper die thermocouple 6, an upper die cooling channel 7, a lower die cooling channel 8, a lower die thermocouple 9 and a lower die heating column 10.

The molding equipment designs temperature control programs of upper molds 1-1a, 1-2a, 1-3a, 1-4a and the like and lower molds 1-1b, 1-2b, 1-3b, 1-4b and the like according to a molding process, and after the temperature reaches a set temperature and is kept for 30min, the product mold is placed between the upper mold and the lower mold, and the operation is carried out according to a mold pressing process; in the forming process, each unit can independently control the temperature, so that the product quality is ensured.

The above description is only for the purpose of illustrating preferred embodiments of the present invention or is to be construed as explaining the technical principles of the present invention and not limiting the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid temperature rise and drop composite material forming device comprises an upper die heating area (1), an upper die cooling area (2), a lower die heating area (4) and a lower die cooling area (3); the heating area adopts a grid thinning mode, the heating area is divided into a plurality of unit independent control areas, the temperature control is carried out in the area by adopting a four-column-one-couple mode, namely, a thermocouple is configured for every four heating columns, the isothermal property of mold heating is ensured, and meanwhile, local temperature parameters can be adjusted according to the requirements of products;

in addition, a heating area and a cooling area layering mode is adopted, and when the heating area stops working and the cooling area is rapidly filled with cooling water, the effect of rapid cooling can be achieved.

2. The upper die heating zone on the first zone as set forth in claim 1, wherein: the area is square and is positioned above the upper die cooling area (2), and the area is equally divided into a plurality of heating units according to a square grid; the first row is respectively a 1-1a unit temperature control region, a 1-2a unit temperature control region, a 1-3a unit temperature control region, a 1-4a unit temperature control region and the like, and the 4 th row of … … is respectively a 4-1a unit temperature control region, a 4-2a unit temperature control region, a 4-3a unit temperature control region, a 4-4a unit temperature control region and the like … …; four heating columns are uniformly distributed in the area, corresponding thermocouples are arranged at the centers of the heating columns, and the thermocouples penetrate through the heating area and are connected to the cooling area.

3. The lower mold heating zone of claim 1 wherein: the area is square and is positioned below the lower die cooling area (2), and the area is equally divided into a plurality of heating units according to a square grid; the 1 st row is respectively a 1-1b unit temperature control region, a 1-2b unit temperature control region, a 1-3b unit temperature control region, a 1-4b unit temperature control region and the like, and the 4 th row of … … is respectively a 4-1b unit temperature control region, a 4-2b unit temperature control region, a 4-3b unit temperature control region, a 4-4b unit temperature control region and the like … …; four heating columns are uniformly distributed in the area, corresponding thermocouples are arranged at the centers of the heating columns, and the thermocouples penetrate through the heating area and are connected to the cooling area.

4. The upper mold cooling apparatus according to claim 1, wherein: the upper die cooling area (2) is positioned below the upper die heating area (1), and is divided in a layering manner in the upper and lower directions, but still has an integral structure; the upper die cooling area (2) is provided with a through cooling channel in the length direction, each cooling channel is positioned below the heating column, and the heating source and the cooling area can be isolated in time during cooling.

5. The lower mold cooling apparatus according to claim 1, wherein: the lower die cooling area (3) is positioned above the lower die heating area (4), and is divided in a layering manner in the upper and lower directions, but still has an integral structure; the lower die cooling area (3) is provided with a through cooling channel in the length direction, each cooling channel is positioned below the heating column, and the heating source and the cooling area can be isolated in time during cooling.