KR20210073278A - Production method of base material integrated anchor holder for building insulation materials - Google Patents

Abstract

The present invention relates to a method for producing a base material-integrated lightweight anchor holder for a building insulation material and, more specifically, to a method for producing an anchor holder having a fixing plate and a coupling unit integrated into one base material, which comprises: a preparation step (S1) of supplying a base material made of an aluminum plate to one side where a punch and a die are installed; a drawing step (S2) of subjecting the aluminum plate supplied between the punch and the die to a drawing process consisting of multiple stages to form a beading unit having uniform inner diameter and height; a piercing step (S3) for making a certain size of a through-hole in the center of the beading unit formed to protrude through the drawing step; a forging step (S4) of subjecting the beading unit having the through-hole punched in the center to multi-stages of an augmentation process to gradually increase thickness of the beading unit; an upsetting/burring step (S5) of longitudinally compressing the beading unit having length increased in the forging step to expand the cross-sectional area of the leading end portion and performing multi-stages of a burring process on the surroundings of the beading unit; piercing, notching and blanking steps (S6 to S8) for performing a piercing process on the surroundings of the beading unit, performing a notching process to make a necessary shape, and then performing a blanking process; a tapping step (S9) of machining a screw portion on the inner circumference of the beading unit by using a tapping instrument after the blanking process; and a heli coil insertion step (S10) of inserting and installing a heli coil into the inner circumference of the screw portion formed after the tapping process.

Description

Manufacturing method of a lightweight anchor holder for a base material integrated building insulation material {Production method of base material integrated anchor holder for building insulation materials}

The present invention relates to a method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material, and more particularly, tapping processing in a holder by combining an anchor holder made of aluminum material with a composite mold technology including roading, posing and upsetting methods. And it relates to a method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material that prevents material loss and increases rigidity by forming a fastening portion through a helical coil insertion process.

In building not only general houses, but also commercial buildings and offices, in recent years, the construction of prefabricated buildings with various advantages such as shorter construction period, reduction of construction cost, improvement of insulation performance, and satisfaction of various needs of consumers compared to the conventional classical construction method has been developed. is being generalized.

With the development of building technology, the performance of building materials is improved, and various convenience facilities are easy to install, so the demand from users is continuously increasing, and various building materials and construction technologies are being introduced.

In general, in prefabricated buildings, insulators having light weight, easy manufacture, and excellent workability and thermal insulation properties are used. In order to use such insulation materials as a wall, fixing means and fastening means for firmly fixing the insulation to the structure are used in large quantities. do.

Foamed polystyrene or hard urethane is mainly used as an insulator. These insulating materials can increase the thermal insulation performance while making the thickness thin, thereby providing the advantage of increasing the space utilization of the building, and the present invention provides the advantage of increasing the space utilization of the building. It relates to a method of manufacturing an anchor holder used as a means for fixing to the.

Conventionally, the anchor holder used for construction is made of cast iron or steel, and has a structure in which a nut is welded to a fixing part to which a fixing bolt is fastened.

Therefore, the conventional anchor holder has a large number of uses depending on the size and shape of the building, so when the weight is heavy, the handling property of workers is deteriorated, and the production efficiency is extremely low because it is manufactured by welding a nut to a small steel plate.

That is, in order to manufacture the conventional anchor bolt, it is manufactured in such a way that welding is performed through forging and tooling process after press mold operation, so that productivity is reduced as well as dimensional accuracy is low and low dimensional accuracy is increased because the machining process is composed of multiple steps In order to do this, various types of jigs have to be provided, and problems such as damage to the welded part after welding occur frequently, and improvement is needed.

- Korean Utility Model Registration No. 20-289587 (Registration Date: 2002.09.04, Design Name: Anchor Bolt Fixtures for Slabs of Buildings) - Korea Registered Utility Model No. 20-286055 (Registration date: 2002.08.05, Design name: Spacer and anchor bolt fixture for rebar arrangement in buildings) - Korean Patent Registration No. 10-1180007 (Registration Date: 2012.08.30, Title of Invention: Fixing Unit of Building Exterior Material)

The present invention has been devised to improve the disadvantages of the conventional anchor holder for building insulation, and by changing the material of the anchor holder to reduce the weight, improve the convenience of work, and apply the composite mold technology to integrally screw the base material into the base material. An object of the present invention is to provide a method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material that is easy to manufacture and improves durability by adding a fastening part and a helical coil.

In order to achieve the above object, the method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material according to the present invention includes a preparation step (S1) of supplying a base material made of an aluminum plate having a predetermined thickness and width to one side on which a punch and a die are installed; A drawing step (S2) of protruding the center of the base material supplied between the punch and the die to one side of the base material with a beading part having a constant inner diameter and height through a multi-stage drawing process; A piercing step (S3) of processing a through hole of a predetermined size in the center of the beading portion protruding to a predetermined height through the drawing step; Posing step (S4) of gradually increasing the thickness of the beading part through a multi-step thickening process of the beading part having a through-hole drilled in the center; Upsetting / burring step (S5) consisting of multiple steps to increase the cross-sectional area of the tip portion while pressing in the longitudinal direction of the beading portion, the length of which has been increased through the posing step, and to arrange the burring around the beading portion; Piercing and notching and blanking steps (S6 to S8) of performing a blanking operation after performing a piercing operation around the beading unit and a notching operation to the required shape; After the blanking step, a tapping step (S9) of machining the threaded part using a tapping mechanism on the inner peripheral surface of the beading part; and a helical coil insertion step (S10) of inserting a helical coil using a dedicated tool into the inner periphery of the threaded portion formed through the tapping step.

The anchor holder produced by the method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material according to the present invention described above is made of aluminum material and is light in weight, so it has excellent workability, and is easy to transport and manage, as well as improve corrosion resistance make it possible

In particular, it is made of aluminum and does not easily corrode, providing the advantage of improving durability, and integrally forming the screw part with the base material through a multi-stage thickening process that grafts the composite mold technology to the fastening part equipped with the screw part, while forming a helical coil inside the screw part. It is intended to provide a lightweight anchor holder that can improve the fastening property with the fixing bolt by inserting it to improve the dimensional accuracy and provide a strong fastening force after fastening.

In addition, it is manufactured through a series of processes of the mold device, so not only can productivity be increased, but also durability can be improved compared to the conventional welding type, and production and processing costs can be reduced because there is no need to manufacture various jigs required for welding. .

1 is a flowchart showing a manufacturing process of a lightweight anchor holder for a base material-integrated building insulation material according to the present invention;
2 is a main manufacturing process diagram of a lightweight anchor holder for a base material-integrated building insulation material according to the present invention;
3 is a state diagram of inserting a helical coil into a fastening part during the manufacturing process of a lightweight anchor holder for a base material-integrated building insulation material according to the present invention;
4 is a vertical cut sectional view of the anchor holder into which the helical coil is inserted;
5 is a cross-sectional view of a light anchor holder for a base material-integrated building insulation material manufactured according to the present invention in use.

The anchor holder manufactured by the method for manufacturing a lightweight anchor holder for a base material-integrated building insulation material according to the present invention (hereinafter abbreviated as 'manufacturing method of anchor holder') has a fastening part for coupling to a fixing bolt installed on a wall or a fixed structure in the center of the base material. It is molded to protrude to a certain length on one side, and a screw portion for fastening with the fixing bolt and a helical coil are inserted thereinto so that the insulator can be firmly fixed to the wall while the fixing bolt is coupled.

The anchor holder manufactured according to the present invention is made of an aluminum material in which a base material is made of a flat plate shape having a certain thickness, and a fixing plate having a constant surface area so as to be in contact with the surface of a finishing material or a heat insulating material, and the fixing plate surface at the center of one side of the fixing plate It protrudes by a predetermined length in the vertical direction to form a threaded portion on the inner periphery, and consists of a configuration provided with a fastening portion is installed a helical coil is inserted into the inner periphery of the threaded portion.

That is, the anchor holder manufactured according to the present invention is not constituted by welding a nut to the center of one side of an aluminum material made of a flat material, but multi-step drawing fixing and multi-step fixing to the center of the fixing plate constituting the base material by grafting the composite mold technology. By performing the posing (thickening) process of forming a fastening part integrally with the fixed plate, an anchor holder in which a screw part and a helical coil are inserted into the inner periphery of the fastening part is constituted.

Hereinafter, specific embodiments of the manufacturing process of the anchor holder according to the present invention will be described in detail with reference to the accompanying drawings.

First, a method of manufacturing an anchor holder manufactured according to the present invention will be described with reference to FIGS. 1 and 2 .

1 and 2, the method for manufacturing an anchor holder according to the present invention grafts a composite mold technology to a fixed plate and one side of the fixed plate to a plate-type base material of a certain thickness and a certain diameter and height (length) A light-weight anchor holder is manufactured through a series of processes of forming a fastening part having a clamping part, tapping fixing for forming a screw inside the molded fastening part, and inserting a helical coil inside the molded thread part.

In more detail, the manufacturing process of the anchor holder according to the embodiment of the present invention includes a preparation step (S1) of supplying a plate-shaped base material (M) having a constant thickness and size suitable for manufacturing the anchor holder between the punch and the die (S1) and , drawing step (S2), piercing step (S3), multi-step posing step (S4), upsetting/burring step (S5), piercing step (S6), notching step (S7), It consists of a process including a blanking step (S8), a tapping step (S9), and a helical coil insertion step (S10).

First, the preparation step (S1) consists of a process of supplying a base material (M) cut to a predetermined standard between a punch and a die, processing a reference hole for forming a fastening part, and performing a piercing and notching process.

The base material that enters between the punch and the die installed vertically through the preparation step is subjected to a plurality of drawing steps (S2).

The plurality of drawing steps (S2) are made in a three-step process of successively passing a punch and a die, and this drawing step (S2) is a basic operation for forming a fastening part on the processed cross-section of the base material (M). The depth of the hole is gradually increased, the width is gradually decreased, and the thickness is gradually formed to form a beading portion, the beading portion is formed in a shape protruding upward from the center portion of the processing section.

The base material M, which has undergone a plurality of drawing steps (S2), goes through a piercing step (S3), wherein the piercing step (S3) penetrates through a punch and a die in the center of the upper surface of the beading part formed by the drawing step (S2). It consists of a two-step process of forming a hole.

After the piercing step (S3) of drilling a through hole of a predetermined size in the center of the protruding beading part, the posing step (S4) is performed.

The posing step (S4) is made of a process between 8 and 12 stages through a punch and a die, and this posing step (S4) is a process of increasing the thickness while gradually reducing the inner diameter of the beading part.

The thickening process of the beading part formed in the posing step (S4) is made through a multi-step process, and the inner diameter of the beading part is gradually reduced to suit the shape and size of the fastening part to be finally formed, the thickness is increased, and the height is erected straight. .

The upsetting/burring step (S5) performed after the posing step (S4) is compression-molded through a four-step process in the longitudinal direction of the beading part through a punch and a die through the beading part formed in the posing step (S4), and the inner diameter of the beading part and It is a molding process that precisely corrects the outer diameter dimension.

In addition, in the upsetting / burring step (S5), the burr remaining on the surface of the beading part is formed while the size-corrected inner, outer peripheral surface, and the front end of the beading part are press-molded into a certain shape and the thickened part is formed at the tip of the beading part. It consists of a removal process.

After performing the piercing (S6) process of machining a necessary groove around the finally formed beading part while going through the upsetting/burring step (S5). The overall shape of the anchor holder is processed through the notching (S7) process and the blanking (S8) process of cutting the base material into the shape of the anchor holder to be finally used.

After the blanking (S8) process, a step of tapping (S9) of forming a screw tab on the inner circumferential surface of the beaded portion of the cut anchor holder is further performed, and then a helico insertion (S10) process of inserting a helical coil into the inner periphery of the molded screw tab Through this, the anchor holder according to the present invention is finally completed.

In the tapping step (S9), a screw tap is processed on the inner peripheral surface of the beading part through a tapping machine (not shown) to form a fastening part with a threaded part integrally with the fixing plate, and the helical coil insertion (S10) process is a tapping process By inserting an additional helical helical coil into the inner periphery, the fastening force with the fastening bolt fastened to the screw is improved, and the abrasion of the screw is prevented to provide a fastening with excellent durability.

On the other hand, FIG. 3 shows a state in which the helical coil 57 is inserted using the helical coil inserting means 60 into the fastening part of the manufactured anchor holder 50, and in FIG. 4, the anchor holder 50 is The vertical cut section of one side of the state in which the helical coil 57 is inserted inside the fastening part 55 is shown.

3 and 4, the anchor holder 50 manufactured through the manufacturing process according to the present invention is made of a flat plate material and has a fixed plate 52 having a constant surface area, and one of the fixing plate 52 A fastening portion 55 having a cylindrical boss having a constant diameter and length is formed in the center of the side surface, a threaded portion 56 is formed on an inner circumferential surface of the fastening portion 55 , and a helical coil is formed on the inner periphery of the screwed portion 56 . The helical coil 57 is inserted and installed through the insertion means 60, and the fixing bolt is screwed to the fastening part 55 of the anchor holder 50 in which the helical coil 57 is inserted, and a solid fastening state is maintained. do.

As shown in the vertical cut sectional view of FIG. 4 , the anchor holder 50 manufactured according to the present invention fixes a separate fixing nut to the fixing plate 52 in order to configure the fastening part 55 to which the fixing bolts are fastened. In a state in which a through hole is formed in the center of the fixing plate 52 without doing so, the fixing plate around the through hole is protruded by the required length to one side of the fixing plate through a multi-step drawing and posing (thickening) process around the through hole. After forming the fastening part 55 to be used, the threaded part 56 is machined on the inner circumferential surface, and then the helical coil 57 is inserted into the threaded part 56 so that the bolts coupled to the fastening part 55 are firmly coupled. It is made of a configuration that can improve wear resistance.

As described above, a cross-sectional view of the anchor holder 50 manufactured according to the present invention installed through the wall 10 and the heat insulating material 30 is shown in FIG. 5 .

As shown in FIG. 5 , a fixing bolt 40 is installed through the wall 10 from the inside to the outside so as to penetrate the wall 10 and the heat insulating material 30 , and an anchor in the threaded portion of the fixing bolt 40 . When the fastening part 55 of the holder 50 is screwed, the surface of the flat fixing plate 52 of the anchor holder 50 is located on the outer surface of the heat insulating material 30 .

Therefore, when the fastening part 55 is coupled and tightened to the fixing bolt 40 penetrating the insulating material 30 so that the inner surface of the fixing plate 52 of the anchor holder 50 comes into contact with the surface of the insulating material 30, the wall The heat insulating material 30 installed on the outside of (10) is closely attached to the outer surface of the wall (10) by the coupling of the anchor holder (50), so that a firm installation is made.

In this way, when the outer wall or the finishing material 20 is installed to the outside of the anchor holder 50 after the installation of the anchor holder 50 for fixing the insulating material 30, the construction of the wall is finished.

In the anchor holder 50 manufactured according to the present invention, after forming a beading part on one base material, a fastening part processed with a threaded part is formed on the inner circumferential surface of the beading part, and a helical coil is inserted into the threaded part's inner periphery and fixed to the fastening part. When the bolts are combined, it is possible to fasten them accurately and quickly, as well as to prevent the fastening bolts from coming off or loosening from the anchor holder even when external forces are applied by maintaining a strong coupling force with the fastening bolts coupled to the fastening part.

10: wall 20: finishing material
30: insulation material 40: fixing bolt
50: anchor holder
52: fixed plate 55: fastening part
56: screw part 57: helical coil
60: helical coil insertion means

Claims (1)

A preparation step (S1) of supplying a base material made of an aluminum plate having a certain thickness and width to one side where the punch and the die are installed;
A drawing step (S2) of protruding the center of the base material supplied between the punch and the die to one side of the base material with a beading part having a constant inner diameter and height through a multi-stage drawing process;
A piercing step (S3) of processing a through hole of a predetermined size in the center of the beading portion protruding to a predetermined height through the drawing step;
Posing step (S4) of gradually increasing the thickness of the beading part through a multi-step thickening process of the beading part having a through-hole drilled in the center;
Upsetting / burring step (S5) consisting of multi-steps to increase the cross-sectional area of the tip portion while pressing in the longitudinal direction of the beading portion, the length of which has been increased through the posing step, and to arrange the burring around the beading portion;
Piercing and notching and blanking steps (S6 to S8) of performing a blanking operation after performing a piercing operation around the beading unit and a notching operation to the required shape;
After the blanking step, a tapping step (S9) of machining the threaded part using a tapping mechanism on the inner peripheral surface of the beading part; and
A method of manufacturing a lightweight anchor holder for a base material-integrated building insulation material, characterized in that it comprises;

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