阅读说明：本技术 一种通冷热水双管路的真空成型模具 (Vacuum forming die with cold and hot water pipelines ) 是由 方志彬 杨帆 潘峰 安慧 雷航鑫 于 2021-02-25 设计创作，主要内容包括：本发明涉及一种通冷热水双管路的真空成型模具,包括模具安装架、安装在模具安装架上的下模、与下模配合使用的上模、顶升气缸；其中,下模与模具安装架之间形成真空腔,下模上加工有多个真空孔道,所述真空孔道与真空腔连通；下模包括底板、设置在底板上的表皮搭放模块和骨架摆放模块,骨架摆放模块设置在两个表皮搭放模块之间,表皮搭放模块与骨架摆放模块之间具有切刀槽,底板上与表皮搭放模块的底部相对的位置设置有冷水管路,底板上与骨架摆放模块相对的位置设置有隔热垫,所述骨架摆放模块的底部设置有热水管路；顶升气缸设置在真空腔内,用于将下模顶起后与上模的切刀配合,完成对表皮切割。该模具能够减少了热量损耗,消除开胶风险。(The invention relates to a vacuum forming die with a cold and hot water pipeline, which comprises a die mounting frame, a lower die, an upper die and a jacking cylinder, wherein the lower die is arranged on the die mounting frame; a vacuum cavity is formed between the lower die and the die mounting frame, a plurality of vacuum ducts are processed on the lower die, and the vacuum ducts are communicated with the vacuum cavity; the lower die comprises a bottom plate, a skin placing module and a framework placing module, wherein the skin placing module and the framework placing module are arranged on the bottom plate, the framework placing module is arranged between the two skin placing modules, a cutter groove is formed between the skin placing module and the framework placing module, a cold water pipeline is arranged on the bottom plate at a position opposite to the bottom of the skin placing module, a heat insulation pad is arranged on the bottom plate at a position opposite to the framework placing module, and a hot water pipeline is arranged at the bottom of the framework placing module; the jacking cylinder is arranged in the vacuum cavity and used for jacking the lower die and then matching with the cutter of the upper die to finish the cutting of the surface. The mold can reduce heat loss and eliminate the risk of glue opening.)

1. A vacuum forming die with a cold and hot water pipeline comprises a die mounting frame, a lower die, an upper die and a jacking cylinder, wherein the lower die is mounted on the die mounting frame; the die is characterized in that a vacuum cavity is formed between the lower die and the die mounting frame, a plurality of vacuum ducts are processed on the lower die, and the vacuum ducts are communicated with the vacuum cavity; the lower die comprises a bottom plate, a skin placing module and a framework placing module, wherein the skin placing module and the framework placing module are arranged on the bottom plate, the framework placing module is arranged between the two skin placing modules, a cutter groove is formed between the skin placing module and the framework placing module, a cold water pipeline is arranged on the bottom plate at a position opposite to the bottom of the skin placing module, a heat insulation pad is arranged on the bottom plate at a position opposite to the framework placing module, and a hot water pipeline is arranged at the bottom of the framework placing module;

the jacking cylinder is arranged in the vacuum cavity, the base of the jacking cylinder is fixed on the die mounting frame, and the piston rod of the jacking cylinder is fixedly connected with the bottom plate of the lower die and used for matching the lower die with the cutter of the upper die after jacking, so that the surface is cut.

2. The vacuum forming mold with the dual-pipe passage for cold and hot water as claimed in claim 1, wherein the air inlet of the jacking cylinder, the water inlet of the cold water pipe, the water outlet of the cold water pipe, the water inlet of the hot water pipe, the water outlet of the hot water pipe, and the vacuum joint communicated with the inside of the vacuum chamber are all disposed on the outer sidewall of the vacuum chamber.

3. The vacuum forming mold for hot and cold water supply lines according to claim 1, wherein a cold water line mounting groove is formed in the bottom plate, a hot water line mounting groove is formed in the bottom of the skeleton placement module, the cold water line is disposed in the cold water line mounting groove, and the hot water line is disposed in the hot water line mounting groove.

Technical Field

The invention belongs to the technical field of forming dies, and particularly relates to a vacuum forming die with a cold water and hot water pipeline.

Background

When the automotive interior part is machined, an operator is required to put the skeleton after glue spraying on a mold, a starting switch is pressed, the mold is shifted into a forming area, at the moment, the skin can be conveyed towards a skin heating area by a feeding system of the skin, the skin is heated, after the process temperature is reached, the skin is conveyed to the forming area, the skin can be clamped by a clamping frame in the mold, the forming area can blow air, the skin is pre-blown, at the moment, the lower mold drives the skeleton to rise, and meanwhile, the equipment can be vacuumized, so that the skin is bonded with the skeleton. When the epidermis bonds with the skeleton, the temperature of epidermis is the key point of glue activation, if the temperature is not enough, and the glue activation is unstable, has the risk of splitting.

At present, most automobile interior manufacturers have heat loss in the transmission process after the epidermis heats when the vacuum adsorption technology, and meet cold skeleton and still have heat transfer for the skeleton, and the heat loss is great, influences the activation of glue, can lead to the activation of glue unstable, and this problem can be outstanding when especially in winter, influences the bonding effect of glue, leads to adsorbing the back effect bad, has the risk of coming unstuck.

Disclosure of Invention

In view of the above technical problems and disadvantages, an object of the present invention is to provide a vacuum forming mold with dual hot and cold water pipelines, which adds a hot water pipeline at the bottom of a framework placing module to provide a framework with a heat preservation effect, thereby reducing heat loss and eliminating the risk of glue failure; meanwhile, cold water is introduced into the pipeline at the bottom of the auxiliary forming area, and cutting of the residual skin after adsorption is facilitated.

In order to realize the purpose, the invention is realized by adopting the following technical scheme:

a vacuum forming die with a cold and hot water pipeline comprises a die mounting frame, a lower die, an upper die and a jacking cylinder, wherein the lower die is mounted on the die mounting frame; the improvement is that a vacuum cavity is formed between the lower die and the die mounting frame, a plurality of vacuum ducts are processed on the lower die, and the vacuum ducts are communicated with the vacuum cavity; the lower die comprises a bottom plate, a skin placing module and a framework placing module, wherein the skin placing module and the framework placing module are arranged on the bottom plate, the framework placing module is arranged between the two skin placing modules, a cutter groove is formed between the skin placing module and the framework placing module, a cold water pipeline is arranged on the bottom plate at a position opposite to the bottom of the skin placing module, a heat insulation pad is arranged on the bottom plate at a position opposite to the framework placing module, and a hot water pipeline is arranged at the bottom of the framework placing module;

the jacking cylinder is arranged in the vacuum cavity, the base of the jacking cylinder is fixed on the die mounting frame, and the piston rod of the jacking cylinder is fixedly connected with the bottom plate of the lower die and used for matching the lower die with the cutter of the upper die after jacking, so that the surface is cut.

Preferably, the air inlet of the jacking cylinder, the water inlet interface of the cold water pipeline, the water outlet interface of the cold water pipeline, the water inlet interface of the hot water pipeline, the water outlet interface of the hot water pipeline and the vacuum joint communicated with the interior of the vacuum cavity are all arranged on the outer side wall of the vacuum cavity.

Preferably, a cold water pipeline mounting groove is formed in the bottom plate, a hot water pipeline mounting groove is formed in the bottom of the framework placing module, the cold water pipeline is arranged in the cold water pipeline mounting groove, and the hot water pipeline is arranged in the hot water pipeline mounting groove.

The invention has the advantages and beneficial effects that: the forming die provided by the invention is simple in structure, the risk of glue failure is effectively eliminated, a hot water pipeline is additionally arranged, the framework placing module is insulated through a hot water pipe, and the phenomenon that the heat heated by the surface skin is greatly transferred to the framework to cause heat dissipation and influence on activation of glue is prevented; meanwhile, cold water is introduced into a pipeline at the bottom of the skin placing module (auxiliary forming area), so that the cutting of the absorbed redundant skin is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of a vacuum forming mold according to the present invention;

FIG. 2 is a schematic view of the vacuum forming mold of the present invention after cutting;

FIG. 3 is a schematic view of the structure of the bottom plate in the lower mold of the present invention.

Reference numerals: the device comprises a mold mounting frame 1, a lower mold 2, a jacking cylinder 3, a vacuum cavity 4, a cold water pipeline 5, a heat insulation pad 6, a hot water pipeline 7, a vacuum pore channel 21, a bottom plate 22, a skin placing module 23, a framework placing module 24 and a cutter groove 25.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "in", "under", and the like indicate the orientation or positional relationship: the particular arrangements or components shown in the drawings, or the orientations or positional relationships conventionally used in the manufacture of the applications, are for convenience only and to simplify the description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 3, the vacuum forming mold with the double pipelines for introducing cold water and hot water provided by the invention comprises a mold mounting frame 1, a lower mold 2 arranged on the mold mounting frame, an upper mold matched with the lower mold for use, and a jacking cylinder 3; a vacuum cavity 4 is formed between the lower die 2 and the die mounting rack 1, a plurality of vacuum pore channels 21 are processed on the lower die 2, and the vacuum pore channels 21 are communicated with the vacuum cavity 4; the lower die 2 comprises a bottom plate 22, skin placing modules 23 and a framework placing module 24, wherein the skin placing modules 23 and the framework placing modules 24 are arranged on the bottom plate, the framework placing module 24 is arranged between the two skin placing modules 23, cutter grooves 25 are formed between the skin placing modules 23 and the framework placing modules 24, cold water pipelines 5 are arranged on the bottom plate 22 opposite to the bottoms of the skin placing modules 23, heat insulation pads 6 are arranged on the bottom plate 22 opposite to the framework placing modules 24, hot water pipelines 7 are arranged at the bottoms of the framework placing modules 24, and the hot water pipelines 7 at the bottoms of the framework placing modules are in contact with the heat insulation pads 6;

jacking cylinder 3 sets up in vacuum cavity 4, and the base of jacking cylinder 3 is fixed on mould mounting bracket 1, and the piston rod of jacking cylinder 3 links firmly with the bottom plate 22 of lower mould for with the cutter cooperation of last mould after the lower mould jack-up, accomplish the epidermis cutting.

The lower die provided by the invention can be provided with a plurality of skeleton placing modules 24, the plurality of skeleton placing modules 24 can be arranged in an NxN form, fig. 1 shows an arrangement mode that four skeleton placing modules 24 are arranged in two rows and two columns, each row is provided with two skeleton placing modules 24 and three skin placing modules 23, the bottom of each skeleton placing module 24 is provided with a hot water pipeline 7, the hot water pipelines 7 at the bottoms of the two skeleton placing modules 24 are mutually communicated, and the hot water pipelines in two adjacent rows are also mutually communicated, so that the hot water pipeline 7 is only provided with a water inlet port of the hot water pipeline and a water outlet port of the hot water pipeline, the temperature of hot water in the hot water pipeline 7 is controlled to be about 50 degrees, the temperature can assist the activation of glue and can not excessively absorb the temperature of the skin, and the activation process of the glue is more stable; cold water pipelines 5 are arranged on the bottom plate at positions opposite to the bottoms of the three skin placing modules 23, all the cold water pipelines 5 are communicated with each other, and two adjacent rows of cold water pipelines are also communicated with each other, so that the cold water pipelines 5 only have a water inlet interface of one cold water pipeline and a water outlet interface of one cold water pipeline, the temperature of cold water in the cold water pipelines is controlled to be about 20 degrees, and the cutting of the skins of redundant auxiliary areas is assisted;

and the air inlet of the jacking cylinder, the water inlet interface of the cold water pipeline, the water outlet interface of the cold water pipeline, the water inlet interface of the hot water pipeline, the water outlet interface of the hot water pipeline and the vacuum joint communicated with the inside of the vacuum cavity are all arranged on the outer side wall of the vacuum cavity.

When the cold water pipeline 5 and the hot water pipeline 7 are installed, cold water pipeline installation grooves can be machined in the bottom plate 22, hot water pipeline installation grooves are machined in the bottom of the framework placing module 24, the cold water pipeline 5 is arranged in the cold water pipeline installation grooves, and the hot water pipeline is arranged in the hot water pipeline installation grooves, so that the installation effect is guaranteed.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application.