阅读说明：本技术 一种注胶铝型材及其制备方法 (Glue injection aluminum profile and preparation method thereof ) 是由 杨洋 杨洪波 王江文 舒健 毕仁红 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种注胶铝型材,包括内侧铝型材、外侧铝型材,以及将两者连成一体的隔热槽,隔热槽底部设计有缺口,其特征在于,在缺口处覆盖有亚克力材质的临时桥,临时桥两侧开设有供缺口两侧滑动配合的卡槽,临时桥一端一体成型有用于与隔热槽一端槽口卡设配合的亚克力材质的阻挡块,阻挡块部分伸进隔热槽内且与隔热槽相对应的内壁紧贴。相比现有技术中的金属临时桥,不需切除临时金属桥操作,有效避免因切除不当而发生切口太深、不规则等损坏结构现象,也避免发生未完全切除金属临时桥的情况。(The invention discloses an injection aluminum profile, which comprises an inner aluminum profile, an outer aluminum profile and a heat insulation groove, wherein the heat insulation groove is formed by connecting the inner aluminum profile and the outer aluminum profile into a whole, and a notch is formed in the bottom of the heat insulation groove. Compared with the metal temporary bridge in the prior art, the operation of cutting off the temporary metal bridge is not needed, the structural damage phenomena of too deep and irregular cut and the like caused by improper cut-off are effectively avoided, and the condition that the metal temporary bridge is not completely cut off is also avoided.)

1. The utility model provides a injecting glue aluminium alloy, including inboard aluminium alloy, outside aluminium alloy to and link both into an organic whole heat-insulating groove, the heat-insulating groove bottom is designed jaggedly, a serial communication port, there is the temporary bridge of ya keli material at breach department cover, the draw-in groove that supplies breach both sides sliding fit is seted up to temporary bridge both sides, temporary bridge one end integrated into one piece has the piece that blocks that is used for establishing the complex ya keli material with heat-insulating groove one end notch card, block that the piece part stretches into in the heat-insulating groove and hug closely with the corresponding inner wall of heat-insulating groove.

2. The glue injection aluminum profile according to claim 1, wherein the width/depth ratio of the heat insulation groove is 2: 1-1.8.

3. The glue injection aluminum profile according to claim 2, wherein the gap width ratio of the heat insulation groove is less than 3.

4. The preparation method of the glue injection aluminum profile as claimed in claim 1, 2 or 3, characterized by comprising the following steps:

(1) assembling an aluminum profile: preparing an inner aluminum profile and an outer aluminum profile, inserting one side corresponding to a bottom notch into a clamping groove on one side of the temporary bridge when the inner aluminum profile or the outer aluminum profile is spliced into an integral aluminum profile, inserting the rest aluminum profile on the other side into a clamping groove on the other side of the temporary bridge in the same way, and when the aluminum profiles on the inner side and the outer side are inserted to the bottom, just sealing a notch on one end of a heat insulation groove formed by the inner aluminum profile and the outer aluminum profile by a blocking block of the temporary bridge, and sealing a notch on the other end of the heat insulation groove by a high-temperature-resistant single-sided;

(2) pretreatment before casting: cleaning the inner side wall of a heat insulation groove formed by the inner side aluminum section and the outer side aluminum section, removing impurities such as grease, graphite and powder, drying, heating to 20-30 ℃, and then preserving heat;

(3) pouring: the heat-insulating glue is opened, prepared and used, and is poured back and forth from the side of the blocking block during pouring, wherein the pouring speed is 5mm/min, and the heat-insulating glue is double-square polyurethane glue;

(4) and (3) removing the temporary bridge after curing: after the poured heat-insulation aluminum profile is solidified for at least 20 min, and the hardness reaches more than 68 degrees, the temporary bridge is removed, and because the compatibility of the polyurethane heat-insulation glue and the acrylic is far worse than that between the polyurethane heat-insulation glue and the aluminum profile, in use, the temporary bridge can be pulled out of the aluminum profile by pulling the end of the blocking block slightly.

Technical Field

The invention relates to the technical field of aluminum profile preparation, in particular to a glue injection aluminum profile and a preparation method thereof.

Background

The requirements of production based on door and window curtain wall materials on energy conservation and emission reduction are higher and higher, and most of the prior art use bridge-cut-off aluminum profiles. The bridge-cut-off mode mainly has two types, one type is a strip-penetrating type, the other type is a glue-injection type, wherein the strip-penetrating type is a common mode, and the strip-penetrating mode is that two heat-insulating strips connect the inner part and the outer part of the aluminum profile, so that the conduction of the heat inside and outside the aluminum profile is prevented, and the production cost is high and the bending resistance is poor due to the large using amount of strip-penetrating materials; the glue injection type aluminum profile is injected into the heat insulation groove, the strength of the glue injection type aluminum profile is higher than that of a strip penetrating material, the cost is lower, the energy-saving effect is good, and in addition, the glue injection bridge-cut-off aluminum door and window have obvious advantages in wind pressure resistance (Pa), water tightness (Pa), air tightness, stability, fire resistance and the like.

However, in the prior art, the injection aluminum profile needs to pay attention to the environment temperature during processing, the temporary metal bridge needs to be cut off after injection is completed, when the temporary metal bridge is cut off, the phenomenon that the metal bridge is damaged due to too deep and irregular cut and the like is avoided, the situation that the metal bridge is not completely cut off is also avoided, the operation is troublesome, the cut metal bridge needs to be used after melting again, and the situation that the longitudinal shearing force is insufficient easily generated after injection, so that the longitudinal shearing value of the profile is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a glue injection aluminum profile with more reasonable design and a preparation method thereof.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a injecting glue aluminium alloy, including inboard aluminium alloy, outside aluminium alloy to and link both into an organic whole heat-insulating groove, the heat-insulating groove bottom is designed jaggedly, a serial communication port, there is the temporary bridge of ya keli material at breach department cover, the draw-in groove that supplies breach both sides sliding fit is seted up to temporary bridge both sides, temporary bridge one end integrated into one piece has the piece that blocks that is used for establishing the complex ya keli material with heat-insulating groove one end notch card, block that the piece part stretches into in the heat-insulating groove and hug closely with the corresponding inner wall of heat-insulating groove.

Furthermore, the width/depth ratio of the heat insulation groove is 2:1-1.8, so that the fluidity of the heat insulation glue when being injected into the groove is improved, and the sectional material has better structural strength.

Further, the gap width ratio (area of groove/opening width) of the insulation groove should be smaller than 3.

The second technical scheme provided by the invention is as follows: the preparation method of the glue injection aluminum profile comprises the following steps:

(1) assembling an aluminum profile: preparing an inner aluminum profile and an outer aluminum profile, inserting one side corresponding to a bottom notch into a clamping groove on one side of the temporary bridge when the inner aluminum profile or the outer aluminum profile is spliced into an integral aluminum profile, inserting the rest aluminum profile on the other side into a clamping groove on the other side of the temporary bridge in the same way, and when the aluminum profiles on the inner side and the outer side are inserted to the bottom, just sealing a notch on one end of a heat insulation groove formed by the inner aluminum profile and the outer aluminum profile by a blocking block of the temporary bridge, and sealing a notch on the other end of the heat insulation groove by a high-temperature-resistant single-sided;

(2) pretreatment before casting: cleaning the inner side wall of a heat insulation groove formed by the inner side aluminum section and the outer side aluminum section, removing impurities such as grease, graphite and powder, drying, heating to 20-30 ℃, and then preserving heat;

(3) pouring: the heat-insulating glue is opened, prepared and used, and is poured back and forth from the side of the blocking block during pouring, wherein the pouring speed is 5mm/min, and the heat-insulating glue is double-square polyurethane glue;

(4) and (3) removing the temporary bridge after curing: after the poured heat-insulation aluminum profile is solidified for at least 20 min, and the hardness reaches more than 68 degrees, the temporary bridge is removed, and because the compatibility of the polyurethane heat-insulation glue and the acrylic is far worse than that between the polyurethane heat-insulation glue and the aluminum profile, in use, the temporary bridge can be pulled out of the aluminum profile by pulling the end of the blocking block slightly.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the inner side and the outer side of the aluminum profile are spliced together through the temporary bridge and the clamping grooves thereof, compared with a metal temporary bridge in the prior art, the operation of cutting off the temporary metal bridge is not needed, the structural damage phenomena of too deep and irregular cut and the like caused by improper cut-off are effectively avoided, and the situation that the metal temporary bridge is not completely cut off is also avoided;

2. the temporary bridge is made of the acrylic material alone, and the compatibility between the acrylic material and the polyurethane heat-insulating glue is far lower than that between the heat-insulating glue and the aluminum profile, so that the temporary bridge is convenient to disassemble and the fluidity of the heat-insulating glue is also convenient to ensure during pouring;

3. the invention effectively improves the fluidity of the heat insulation glue when being injected into the groove by controlling the width/depth ratio of the heat insulation groove, and is convenient for the better structural strength of the section.

4. The invention adopts the double-component polyurethane heat-insulating glue for pouring, and because the polyurethane is poured into the heat-insulating groove of the aluminum profile to be solidified to form the heat-insulating bridge, the polyurethane and the aluminum profile are bonded into a whole, the strength of the aluminum profile is high; and the heat insulation effect is good.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

The invention will now be further described with reference to the specific drawings and examples. The following are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention. Any equivalent or similar substitutes should fall within the scope of protection of the invention without departing from the concept thereof.

Example one

As shown in fig. 1, the glue injection aluminum profile comprises an inner aluminum profile 1, an outer aluminum profile 2 and a heat insulation groove 3 which connects the inner aluminum profile and the outer aluminum profile into a whole, wherein a notch 4 is designed at the bottom of the heat insulation groove 3, a temporary bridge 5 made of acrylic material is covered at the notch 4, clamping grooves for sliding fit of two sides of the notch are formed in two sides of the temporary bridge 5, a blocking block 6 made of acrylic material and used for being clamped and matched with a notch at one end of the heat insulation groove is integrally formed at one end of the temporary bridge 5, and the blocking block 6 partially extends into the heat insulation groove 3 and is tightly attached to the inner wall corresponding to the heat insulation groove.

The width/depth ratio of the heat insulation groove 1 is 2:1-1.8, so that the fluidity of the heat insulation glue when being injected into the groove is improved, and the better structural strength of the section is facilitated.

The above-mentioned gap width ratio (area of groove/opening width) of the heat insulating groove should be smaller than 3.

The preparation method of the glue injection aluminum profile comprises the following steps:

(1) assembling an aluminum profile: preparing an inner aluminum profile and an outer aluminum profile, inserting one side corresponding to a bottom notch into a clamping groove on one side of the temporary bridge when the inner aluminum profile or the outer aluminum profile is spliced into an integral aluminum profile, inserting the rest aluminum profile on the other side into a clamping groove on the other side of the temporary bridge in the same way, and when the aluminum profiles on the inner side and the outer side are inserted to the bottom, just sealing a notch on one end of a heat insulation groove formed by the inner aluminum profile and the outer aluminum profile by a blocking block of the temporary bridge, and sealing a notch on the other end of the heat insulation groove by a high-temperature-resistant single-sided;

(2) pretreatment before casting: cleaning the inner side wall of a heat insulation groove formed by the inner side aluminum section and the outer side aluminum section, removing impurities such as grease, graphite and powder, drying, heating to 20-30 ℃, and then preserving heat;

(3) pouring: the heat insulation glue is opened, prepared and used, and pouring is carried out back and forth from the side of the blocking block during pouring, wherein the pouring speed is 5 mm/min;

(4) and (3) removing the temporary bridge after curing: after the poured heat-insulation aluminum profile is solidified for at least 20 min, and the hardness reaches more than 68 degrees, the temporary bridge is removed, and because the compatibility of the polyurethane heat-insulation glue and the acrylic is far worse than that between the polyurethane heat-insulation glue and the aluminum profile, in use, the temporary bridge can be pulled out of the aluminum profile by pulling the end of the blocking block slightly.