KR102031242B1 - Cutting machine - Google Patents

Abstract

The present invention relates to a cutting machine which is configured to cut a filter supplied by a worker in a longitudinal direction as a progressing direction. The cutting machine comprises: a drawing-out roller enabling the filter to be drawn in and out; and a filter supply table bound to a cutting roller that cuts the filter drawn out of the drawing-out roller.

Description

Cutting device {CUTTING MACHINE}

The present invention relates to a cutting device, and more particularly to a cutting device for cutting the filter supplied by the worker in the longitudinal direction of the traveling direction.

The cutting machine is a device that can cut hard materials such as glass, plywood, plastic or tough and soft materials such as paper, cloth, and non-woven fabric to required standards or cut dotted lines.

For example, it is a kind of paper cutting machine exclusively for paper cloths, a pair of paper pressure rolls, a rotary blade for transverse while rotating along the garter at the rear of the paper pressure roll, a paper press device for pressing the nonwoven fabric while advancing into the cylinder from directly above the garter, It consists of a power train that allows the rotary blade to rotate while reciprocating transversely.

However, this means that cutting is carried out by transporting one rotary blade, and it is possible to perform the cutting in the state of holding the altar object firmly. For this purpose, the cutting blade must be rotated and cut after stopping the pressing paper roll so that the cutting time is long. This is inefficient.

On the other hand, the background art described above is technical information possessed by the inventors for the derivation of the present invention or acquired in the derivation process of the present invention, and is not necessarily a publicly known technique disclosed to the general public before the application of the present invention. .

One aspect of the present invention provides a cutting apparatus comprising a filter supply table is formed with a draw roller for drawing in and out the filter and a step roller for cutting out and withdrawing the filter from the draw roller.

Another aspect of the present invention provides an altar device including an elastic support portion for absorbing the vibration generated by the rotational movement of the roller between the filter supply table and the work table.

Another aspect of the invention provides an altar device implemented to include a crack repair composition.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

The cutting device according to an embodiment of the present invention includes a filter supply table in which a drawing roller for drawing in and out a filter and a cutting roller for cutting out a filter drawn from the drawing roller are attached.

On the other hand, the filter supply table is formed in the form of a rectangular plate, the side frame is formed on each side for the binding of the take-out roller and the step roller, the take-out roller, between the both side frame of the filter supply table And a filter disposed on the filter supply table to be transferred to the step roller, and rotatable by a drive unit coupled to at least one of the side frames of both sides of the filter supply table. It is bound between both side frame of the supply table, the first to third knife is formed, wherein the gap between the first and third knife is corresponding to the overall width of the filter, the first The second cutting knife is formed between the cutting knife and the third cutting knife and the spacing is determined according to the cutting width of the filter required in the process. It is formed so as to be, by cutting the filter withdrawn from the take-out roller by the first to third knives, and conveyed to the filter outlet portion extending to the rear side of the filter supply table, both sides of the filter supply table It is provided so as to be rotatable by a drive unit which is coupled to at least one side of the side frame, the filter is placed on the filter supply table to correspond to the first to third knife which is formed on the cutting roller It further comprises a pair of fixing jaws for guiding the position, and further comprising a support is installed between the side frame of the both sides of the filter supply table to be located in the withdrawal direction of the filter by the step roller, the support is the first The first blade lower formed in the direction toward the cutting roller corresponding to the cutting blade to the third cutting knife And a first blade housing to a third blade housing, wherein the first blade housing to the third blade housing are respectively rotated by the first cutting blade to the third cutting knife by the rotation of the cutting roller. A blade guide groove is formed to guide the cutting knife to the third cutting knife. The filter supply table is installed on a work table, and further includes an elastic support provided between the filter supply table and the work table. The support plate is supported by the support plate is installed on the lower side and the support plate including the support frame for supporting the filter supply table by using an elastic force, the first frame and the second frame connected to the lower portion of the support plate to be rotatable The support frame, the first frame and the second frame for supporting the rotational and horizontal sliding movement And a support pillar connected to the support pillar, wherein the support pillar has a cross groove formed at an upper portion thereof, a vertical groove formed at each side thereof, and connected to the inner space of the cross groove so that the lower side of the first frame is rotatable. A cross elastic part to be installed and a vertical elastic part connected to the inner space of the vertical groove so that the lower side of the second frame is rotatable, and the cross elastic part is formed on the outer side of each of the four surfaces of the upper support part formed of a cube. An upper elastic part disposed to be disposed, an upper elastic support part supported by the upper elastic part, and an upper connection link part which is maintained at a predetermined interval with the upper elastic support part and connected to the lower side of the first frame to be rotatable; An upper elastic part is installed between the upper support part and the upper elastic support part to support the upper elastic support part. A diameter body laminated to an outer circumference of a cylindrical body formed by weaving a wire having elastic force in accordance with a predetermined rule to have elastic force in the longitudinal direction, a washer-shaped end formed by bending outwardly at both longitudinal ends of the cylindrical body, and the washer-shaped end; It may include a resistance strengthening ring is formed.

According to one aspect of the present invention described above, while the filter is advanced in the direction of the cutting by the roller, and the cutting in the direction of the advance, it is possible to easily cut as well as a constant cutting to the desired width, the first of the cut filter The cross section and the cut surface may be formed evenly.

According to another aspect of the present invention, by absorbing the vibration or shock generated by the rotational movement by the elastic support, it is possible to ensure the support stability and to increase the accuracy and stability of the cutting process.

According to another aspect of the present invention, by constructing each component with a composition excellent in water resistance, waterproof and crack resistance, it is possible to lengthen the life of the device, and to reduce the cost required for maintenance.

1 is a view showing a schematic configuration of a cutting apparatus according to an embodiment of the present invention.
FIG. 2 is a view showing the cutting device shown in FIG. 1 from another direction.
3 is an enlarged view of a partial configuration of FIG. 2.
4 is a diagram illustrating a schematic configuration of a cutting apparatus according to another embodiment of the present invention.
5 is a view showing a schematic configuration of the elastic support.
6 and 7 illustrate the support pillar of FIG. 5.
FIG. 8 is a cross-sectional view illustrating the cross elastic part of FIG. 6.
9 is a view illustrating the vertical elastic part of FIG. 7.
FIG. 10 is a view illustrating the upper elastic part of FIG. 8.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. In addition, it is to be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention, if properly described, is defined only by the appended claims, along with the full range of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings.

1 is a view showing a schematic configuration of a cutting apparatus according to an embodiment of the present invention.

Referring to FIG. 1, the cutting apparatus 1000 according to an embodiment of the present invention includes a filter supply table 110.

The filter supply table 110 may be formed in a rectangular plate shape, and side frames may be formed at both sides for binding of the drawing roller 120 and the step roller 130 to be described later.

The withdrawal roller 120 may be bound between both side frames of the filter supply table 110 to transfer the filter 1 placed on the filter supply table 110 to the cutting roller 130. Here, the filter 1 may be drawn into the take-out roller 120 by an operator, and the cutting roller 130 may be provided at a position at which the filter 1 is drawn out by the take-out roller 120. That is, the filter 1 is drawn between the filter supply table 110 and the drawing roller 120 by the worker, and is drawn out by the drawing roller 120, and is cut by the cutting roller 130 located in the drawing direction. Can be.

The take-out roller 120 is provided to be rotatable by a drive unit which is fastened to at least one side of both side frames of the filter supply table 110, and moves the filter 1 placed on the filter supply table 110 in a predetermined traveling direction. Withdrawal and withdrawal are possible. In the present embodiment, the advancing direction may be the longitudinal direction of the filter 1 in the cutting direction.

The cutting roller 130 may be bound between both side frames of the filter supply table 110 to cut the filter 1 withdrawn from the drawing roller 120.

The cutting roller 130 may be formed with at least one cutting knife (131, 132, 133). In FIG. 1, the three cutting knifes 131, 132, and 133 of the first cutting knife 131 to the third cutting knife 133 are formed as an example, but are not limited thereto. Less may be formed.

For example, in FIG. 1, an interval between the first and third knife 131 and the third and second knife 133 may correspond to the overall width of the filter 1, and the first and second knife 131 and the second knife, respectively. The spacing of each of the 132 and the third cutting knife 133 may be formed to correspond to the width of the cutting edge of the filter 1 required in the process.

The cutting roller 130 may cut the filter 1 withdrawn from the take-out roller 120 by the at least one cutting knife 131, 132, and 133, and may transfer the filter 1 to the filter take-out unit 150.

The filter lead-out unit 150 is formed to extend on the rear side of the filter supply table 110, and the cut filter 1 may be drawn out. That is, the filter 1 is drawn out by the cutting roller 130, and the filter drawing part 150 may be located in the drawing direction.

The step roller 130 is provided to be rotatable by a drive unit which is fastened to at least one side of both side frames of the filter supply table 110, and the filter 1 drawn out from the take-out roller 120 is pulled in the direction of travel. I can withdraw it. To this end, the cutting roller 130 will rotate in the same direction as the draw roller 120.

The filter supply table 110 may be provided with a pair of fixing jaw 111 for guiding the position where the filter 1 is placed. For example, the width of the pair of fixing jaw 111 may correspond to the width of the filter (1), so as to correspond to the at least one cutting knife (131, 132, 133) formed in the cutting roller 130. It may be formed on the filter supply table (110). The operator pushes the filter 1 on the filter feed table 110. The filter 1 is pushed by the cutting roller 130 in the longitudinal direction by pushing the filter 1 between the pair of fixing jaw 111. Can be altared.

FIG. 2 is a view showing the cutting device shown in FIG. 1 from another direction, and FIG. 3 is an enlarged view of some components of FIG. 2.

Referring to FIG. 2, a support 155 may be installed between both side frames of the filter supply table 110, and at least one blade housing 151, 152, and 153 may be installed in the support 155.

The support 155 may be installed at the rear side of the cutting roller 130, that is, in the drawing direction of the filter 1 by the cutting roller 130.

The blade housings 151, 152, and 153 may be provided in the same number as the number of the cutting blades 131, 132, and 133 formed on the cutting roller 130, and formed on the cutting roller 130 on the support 155. It may be installed at a position corresponding to the cutting knife (131, 132, 133). In the present embodiment, the first blade housing 151 to the third blade housing 153 may be provided corresponding to the first cutting knife 131 to the third cutting knife 133.

Referring to FIG. 3, the blade housing 153 may have a blade guide groove formed in an inner surface thereof, that is, when the blade housing 153 is installed on the support 155, in the direction toward the cutting roller 130.

For example, the third blade housing 153 may be installed at a position corresponding to the third cutting knife 133 on the support 155. When the third cutting knife 133 is rotated by the rotation of the cutting roller 130, it will be guided by the blade guide groove formed in the third blade housing 153.

Such a cutting device 1000 according to an embodiment of the present invention, while advancing the filter 1 by the roller in the cutting direction, to be cut in the advancing direction, cutting the cutting to a desired width as well as easy cutting And, the cut surface and the cut surface of the cut filter (1) can be formed evenly.

4 is a diagram illustrating a schematic configuration of a cutting apparatus according to another embodiment of the present invention.

Referring to FIG. 4, the cutting device 1001 according to another embodiment of the present invention includes a filter supply table 110 and an elastic support part 500 on which the drawing roller 120 and the cutting roller 130 are installed. Here, since the filter supply table 110 is the same as the component of FIG. 1, the description thereof is omitted.

The elastic support part 500 may be provided between the filter supply table 110 and the work table on which the filter supply table 110 is installed. Filter supply table 110 may be fixed to the waist height of the worker by the workbench. The elastic support part 500 is provided between the filter supply table 110 and the workbench, and the vibration support or impact generated by the rotational movement of the drawing roller 120 or the step roller 130 installed on the filter supply table 110 is provided. By absorbing, it is possible to ensure the support stability and to increase the accuracy and stability of the cutting process.

5 is a view showing the elastic support of FIG.

Referring to FIG. 5, the elastic support part 500 includes a support frame 540, four support plates 510, four pairs of support frames 520, and a support column 530.

The supporting frame 540 is supported by the supporting plate 510 installed at the lower side, and supports the filter supply table 110 by using an elastic force.

The supporting plate 510 supports the supporting frame 540 seated on the upper side and is supported by the supporting pillar 530 by the supporting frame 520 connected to the lower side.

That is, the supporting plate 510 seats the supporting frame 540 on the upper side thereof, and in response to the vibration or shock transmitted from the supporting frame 540, the supporting plate 510 is oriented in the horizontal direction (ie, the first frame 521a). Alternatively, vibration or shock may be attenuated by being absorbed by the support frame 520 sliding in the up and down direction (ie, the second frame 521b).

In addition, the present invention is formed by varying the length of the first frame (521a) or the second frame (521b), to overcome the limitations of the existing elastic body that can reduce the impact by simply adjusting the height in the vertical direction The support position by the plate 510 can be freely adjusted not only in the vertical direction but also in the left and right directions.

The support frame 520 is connected to rotatably two frames of the first frame 521a and the second frame 521b at each lower portion of the four support plates 510 to support the plate 510. As described above, the support position of the support frame 540 by the plate 510 is determined by adjusting the length of the first frame 521a or the second frame 521b.

At this time, the upper part of the first frame 521a and the second frame 521b is connected to the lower part of the support plate 510, and the lower part of the first frame 521a is rotated on the upper side of the support column 530. The lower surface of the second frame 521b is connected and installed to enable horizontal sliding movement, and the lower side of the second frame 521b is connected to one side of the support pillar 530 so as to allow rotational and vertical sliding movement.

That is, the first frame 521a or the second frame 521b may be subjected to vibration or shock transmitted from the support plate 510 through a pivoting or sliding movement by elastic force on the upper surface or one side of the support pillar 530. The support pillar 530 is transferred.

The support pillar 530 is formed in the shape of a square pillar, and the lower portion of the first frame 521a is connected to the upper side so as to be rotated and horizontally slidably moved, and the lower portion of the second frame 521b is one side. It is connected to the rotational and vertical sliding movement in the installation, and the elastic force (ie, the cross-elastic portion 533 or vertical elastic portion 535) during the sliding movement of the first frame (521a) or the second frame (521b) Absorbs vibrations or shocks through.

Each of the supporting plate 510 or the supporting frame 520 is driven by the same method as the symmetrical structure of each other, and the contents described with respect to the one supporting plate 510 or the supporting frame 520 as described above are described. The same may be applied to the other support plate 510 or the other support frame 520, the description thereof will be omitted.

In addition, the elastic support 500 having the configuration as described above may be formed in a vertically symmetrical structure, in the case of Figure 3 is shown that each configuration is formed only on the upper portion of the support pillar 530 The configuration associated with four support plates 510 and four pairs of support frames 520 as one would be equally applicable to the bottom of the support pillars 530.

6 and 7 illustrate the support pillar of FIG. 5.

Referring to FIG. 6, the support pillar 530 includes a pillar body 531, a cross groove 532, a cross elastic portion 533, four vertical grooves 534 (see FIG. 7), and four vertical elastic portions. 535 (see FIG. 7).

The pillar body 531 is formed in the shape of a square pillar, a cross groove 532 is formed on the upper portion, the vertical groove 534 is formed on each side.

The cross grooves 532 are recessed and formed in the upper portion of the pillar body 531 in a "+" shape, and a cross elastic portion 533 is inserted into the inner space.

The cross resilient portion 533 is formed in a shape corresponding to the shape of the cross groove 532 and is inserted into the cross groove 532, so that the lower side of the first frame 521a is rotatable on the upper ends of the four branches. It is connected and installed to absorb the vibration or shock transmitted from the first frame 521a by using the elastic force to attenuate the vibration or shock.

The vertical groove 534 is formed in each of the surface of the pillar body 531 in the vertical direction, the vertical elastic portion 535 is inserted into the interior space.

The vertical elastic portion 535 is formed in a shape corresponding to the shape of the vertical groove 534 is inserted into the vertical groove 534, the lower side of the second frame 521b is connected to the upper outer side so as to be rotatable and elastic force By absorbing the vibration or shock transmitted from the second frame 521b to reduce the vibration or shock.

FIG. 8 is a cross-sectional view illustrating the cross elastic part of FIG. 6.

Referring to FIG. 8, the cross elastic part 533 includes a cross case part 5313, an upper support part 5332, four upper elastic parts 5333, four upper elastic support parts 5340, and four upper connecting links. A part 5335 is included.

The cross case portion 5313 has an inner space formed in an empty " + " shape and is inserted into the cross groove 532, and includes an upper support portion 5332, four upper elastic portions 5333, and four which are described later in the inner space. Top elastic support parts 5340 are installed.

At this time, the length of each branch of the cross case portion 5311 is formed shorter than the length of each branch of the cross groove 532, as shown in Figure 6, the upper portion in the space formed on the outside of the cross case portion (5331) The connecting link portion 5335 may be disposed and may form a space for sliding movement.

The upper support part 5332 is formed of a cube, and is disposed at the center of the cross case part 5311, so that the upper elastic part 5333 is disposed outside each of the four surfaces, and supports the upper elastic part 5333. do.

The upper elastic part 5333 is disposed on each side surface of the upper support part 5332 to support the upper elastic support part 5340 by elastic force, thereby absorbing vibrations or shocks transmitted from the upper elastic support part 5344.

The upper elastic support part 5340 is disposed at each end of each branch of the internal space of the cross case part 5331, is supported by the elastic force of the upper elastic part 5333, and is provided between the upper connection link parts 5335. The upper connecting link portion 5335 is supported by the support bar 5336.

The upper link link portion 5335 is disposed at each end of each branch of the cross groove 532, and is provided between the side of the cross case portion 5313 and the support bar 5336 provided between the upper elastic support portion 5340. It is maintained at a predetermined interval by a), and the lower side of the first frame 521a is connected to the upper side so as to be rotatable, and each branch of the cross groove 532 meets in accordance with the vertical movement of the plate 510. Sliding along the groove of the cross groove 532 in the center direction.

9 is a view illustrating the vertical elastic part of FIG. 7.

Referring to FIG. 9, the vertical elastic portion 535 includes a vertical case portion 5331, a side support portion 5332, a side elastic portion 5343, a side elastic support portion 5344, and a side connection link portion 5345. do.

The vertical case portion 5331 is formed in a shape corresponding to the shape of the vertical groove 534 in which the inner space is empty, and the side support portion 5332, the side elastic portion 5431, and the side elastic support portion 5344 are formed from the lower side of the inner space. ) Are installed in order.

The side support part 5332 is formed of a cube, is disposed in a lower space of the vertical case part 5331, and a side elastic part 5435 is disposed on the upper side to support the side elastic part 5435.

The side elastic part 5343 is disposed above the side support part 5332, and supports the side elastic support part 5344 disposed above by the elastic force, thereby preventing vibration, shock, and the like transmitted from the side elastic support part 5344. Will be absorbed.

The side elastic support part 5344 is disposed above the inner space of the vertical case part 5331, is supported by the elastic force of the side elastic part 5435, and is provided between the side connecting link parts 5345. It supports the side link link portion 5345 by.

The side link link portion 5345 is disposed at an upper end of the vertical groove 534 and is provided between a lower side facing the vertical case portion 5331 and an upper side of the side elastic support portion 5344. It is maintained at a predetermined interval by a), and the lower side of the second frame 521b is connected to the outer side so as to be rotatable, and slides along the groove of the vertical groove 534 in the lower direction of the vertical groove 534. .

FIG. 10 is a view illustrating the upper elastic part of FIG. 8.

Referring to FIG. 10, the upper elastic part 5333 is installed between the upper support part 5332 and the upper elastic support part 5342, and supports the upper elastic support part 5340 by an elastic force, thereby allowing the upper elastic support part 5332 to be separated from the upper elastic support part 5344. Absorbs vibrations or shocks transmitted.

The upper elastic portion 5333 includes a cylindrical body 5333_1, a washer-shaped end 5333_3, and a resistive strengthening ring 5333_5.

The cylindrical body 5333_1 may be formed to have elastic force in the longitudinal direction by weaving a wire having elastic force in accordance with a predetermined rule.

The washer-type end 5333_3 may be formed by bending outwardly at both longitudinal ends of the cylindrical body 5333_1. For example, the washer-shaped end portion 5333_3 may be perpendicular to the cylindrical body 5333_1, and its internal angle may be obtuse or acute.

The resistance reinforcing ring 5333_5 may be formed by being laminated on the outer circumference of the washer-shaped end 5333_3. The number of overlaps of the resistance-strengthening ring 5333_5 may be variable and made to be adjustable.

The upper elastic part 5333 may prevent the case where the upper elastic part 5333 is separated between the upper support part 5332 and the upper elastic support part 5344 by the washer-type end portion 5333_3 and the resistance strengthening ring 5333_5.

The washer-shaped end portion 5333_3 extends from the cylindrical body 5333_1 to both sides and has a larger diameter than the cylindrical body 5333_1, thus supporting the upper support 5332 and the upper elastic support 5340 at the same time and the outer circumference thereof. Deformation, such as contraction of the cylindrical body (5333_1) may be regulated by the resistance strengthening ring (5333_5) formed in multiple overlapping.

The cutting device according to another embodiment of the present invention may further include a composition for repairing a building structure including an acrylic binder for filling and repairing a place where a crack occurs when a crack occurs in the structure.

Here, the structure, the filter supply table 110, the drawing roller 120, the step roller 130 and the filter take-out unit 150 may be equivalent to this, but is not limited thereto, each of which constitutes the present invention All configurations may correspond.

The present inventors found that there is no composition exhibiting a satisfactory effect among the compositions having improved water resistance, water resistance, and crack resistance in a composition for repairing a conventionally existing building structure. The inventors have invented a composition which exhibits a satisfactory effect of water resistance, water resistance and crack resistance.

In the present invention, the acrylic binder may be an acrylic ester copolymer. The acrylic ester copolymer may be an acrylic ester copolymer having a CAS number of 30445-28-4. The present inventors are exploring various compounds that can be added to the composition for repairing building structures, the composition that can achieve both the water resistance and crack resistance that is an object of the present invention to solve when the composition comprises the acrylic ester copolymer Confirmed.

In the present invention, the composition may include 10 to 50 parts by weight of the acrylic binder, preferably 15 to 40 parts by weight, and more preferably 20 to 30 parts by weight.

The composition of the present invention may further include, in particular, EVA binder, butyl cellosolve, rosin, texanol and propylene glycol in order to achieve particularly waterproof and water resistant among the problems to be solved by the present invention. .

In the present invention, the EVA binder is preferably ethylene vinyl acetate, and the CAS number may be a compound having 24937-78-8.

The butyl cellosolve in the present invention may be a compound having CAS number 111-76-2.

In the present invention, the rosin refers to a natural resin obtained by distilling rosin, and any type of rosin may be included as a constitution for solving the problem of the present invention.

In the present invention, the texanol (TEXANOL) may be a compound having CAS number 25265-77-4.

In the present invention, the propylene glycol may be a compound having CAS No. 57-55-6.

The inventors have found that the effect of water resistance is particularly improved when EVA binder, butyl cellosolve, rosin, texanol and propylene glycol are further included as a composition of a building structure repair composition including an acrylic binder. .

Specifically, the composition is 0.01 to 10 parts by weight of EVA binder, 0.01 to 5 parts by weight of butyl cellosolve, 0.01 to 5 parts by weight of rosin, 0.01 to 5 parts by weight of texanol and 0.01 to 3 parts by weight of propylene glycol. It may include.

More specifically, the inventors confirmed that the effect of water resistance is remarkably improved when the composition further includes 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol. It was. That is, EVA binder, butyl cellosolve, rosin, texanol and propylene glycol, and 2-amino-2-methyl-1-propanol and 2-methylamino in the building repair composition containing the acrylic binder. When the 2-methyl-1-propanol is further included, the present invention has been completed through improved water resistance and water resistance.

In the present invention, the composition may include the 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol in a weight ratio of 15 to 20: 1, preferably 16 to 20 It may be included in a weight ratio of 1: 1, and more preferably in a weight ratio of 17 to 20: 1.

The 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol may be included in the composition in an amount of 0.1 to 5 parts by weight.

The present inventors confirmed that the composition can improve water resistance, particularly among the problems to be achieved by the present invention.

In addition, the composition for repairing the building structure containing the acrylic binder may further comprise ethylene glycol, butyl cellosolve (butyl cellosolve), calcium carbonate, titanium dioxide and water.

If the above-described composition has an excellent waterproof and water resistance effect, the present composition is characterized in that the crack resistance is improved. The butyl cellosolve is as described above.

In the present invention, the ethylene glycol (ethylene glycol) means a compound having a CAS number 107-21-1.

In the present invention, the calcium carbonate means a compound having a CAS number of 1317-65-3.

In the present invention, the titanium dioxide means a compound having a CAS number of 13463-67-7.

Specifically, the composition is 0.01 to 5 parts by weight of ethylene glycol, 0,01 to 5 parts by weight of butyl cellosolve, 20 to 50 parts by weight of calcium carbonate, 0.01 to 5 parts by weight of titanium dioxide and 0.01 to 10 parts of water It may include parts by weight.

The inventors came to embody the idea in natural extracts while exploring the composition for improving crack resistance. The present inventors confirmed that when the flaxseed slime or flaxseed slime extract is further included in the composition, the effect of crack resistance is significantly improved. That is, improved crack resistance when ethylene glycol, butyl cellosolve, calcium carbonate, titanium dioxide and water, and flaxseed slime or flaxseed slime extract are additionally included in the building repair composition including the acrylic binder. The present invention was completed through confirmation.

In the present invention, the flax (flax) is a perennial herb of the dicotyledonous rat Rat Asteraceae, the seeds are flat, long oval, yellowish brown.

The flaxseed mucus in the present invention can be prepared through a variety of methods, for example by scraping the mucus from flaxseed using a scraper (scraper) can be prepared flaxseed mucus.

In the present invention, the flaxseed slime extract may be prepared as follows.

1 g of flaxseed was poured into 50 L of purified water, stirred at 25 ° C. for 5 hours, filtered through a 300 mesh filter cloth, and precipitated by addition of the same amount of alcohol, preferably ethanol, to the filtrate, and then Whatman filter paper, for example, Watts. Bay filter paper NO. After filtration using 5 to dry to obtain a white powder form.

Conventionally, various uses are known as the use of flaxseed, but the effect of improving the crack resistance by including them in a composition for repairing building structures as in the present invention has not been known to date, and studies are insignificant.

Specifically, the composition may include 1 to 10 parts by weight of the flaxseed slime or flaxseed slime extract.

In addition, at least one additive selected from a dispersant, an antifoaming agent, an antimicrobial agent, a preservative, and a cryoprotectant within a range that does not impair the basic physical properties of the building structure repair composition.

In addition, the present invention S1) removing the deterioration of the surface of the building structure; And S2) the crack repairing of the structure may be performed by forming a crack repairing film by applying and drying the building structure repairing composition on the upper surface of the building structure from which the deterioration part is removed.

Hereinafter, the configuration of the present invention and its effects through specific examples and comparative examples will be described in more detail. However, this embodiment is intended to illustrate the present invention in more detail, and the scope of the present invention is not limited to these examples.

Material preparation

Information on the main raw materials used in the building structure repair composition for the following Examples and Evaluation Examples is as follows.

1) Acrylic Binder: Acrylic ester copolymer CAS NO 30445-28-4

2) EVA Binder: Ethylene vinyl acetate CAS NO 24937-78-8

3) Butylcellosolve: CAS NO 111-76-2

4) TEXANOL: CAS NO 25265-77-4

5) Propylene glycol: CAS NO 57-55-6

6) ethylene glycol: CAS NO 107-21-1

Calcium carbonate: CAS NO 1317-65-3

8) titanium dioxide: CAS NO 13463-67-7

9) 2-amino-2-methyl-1-propanol: CAS NO 124-68-5

10) 2-methylamino-2-methyl-1-propanol: CAS NO 27646-80-6

11) Flaxseed Mucus

Flaxseed mucus was obtained by scraping mucus from flaxseed using a scraper.

12) Flaxseed Mucus Extract

1 g of flaxseed was poured into 50 L of purified water, stirred at 25 ° C. for 5 hours, filtered through a 300 mesh filter cloth, and precipitated by adding the same amount of ethanol to the filtrate. Filtration using 5 followed by drying yielded about 0.2 g of a white powder.

Example 1

5 parts by weight of EVA binder, 1 part by weight of butyl cellosolve, 0.5 part by weight of rosin, 0.5 part by weight of texanol, 0.1 part by weight of propylene glycol and other thickening aids, with 30 parts by weight of an acrylic binder and stirring at 600 rpm. After slowly adding a pH adjuster, etc. in order, 50 parts by weight of calcium carbonate was added thereto and stirred at room temperature for 1 hour at a speed of 300 rpm to prepare a composition for repairing building structures.

Example 2

5 parts by weight of EVA binder, 1 part by weight of butyl cellosolve, 0.5 part by weight of rosin, 0.5 part by weight of texanol, 0.1 part by weight of propylene glycol, 1 part by weight, while putting 30 parts by weight of an acrylic binder into a mixing stirring vessel and stirring at a speed of 600 rpm. 2-amino-2-methyl-1-propanol, 0.06 parts by weight of 2-methylamino-2-methyl-1-propanol and other thickening aids, pH adjusters, etc. were gradually added in order, and then 50 parts by weight of calcium carbonate, a filler, was added. Put and stirred at room temperature for 1 hour at a speed of 300rpm to prepare a composition for building structure repair.

Example 3

Put 30 parts by weight of the acrylic binder into the mixing agitation vessel and stir at a speed of 600 rpm, followed by 1 part by weight of ethylene glycol, 1 part by weight of butyl cellosolve, 0.5 part by weight of titanium dioxide, 5 parts by weight of water and other thickening aids, and pH adjusting agent. After slowly adding as much as 50 parts by weight of a filler calcium carbonate was stirred for 1 hour at room temperature at a speed of 300rpm to prepare a composition for building structure repair.

Example 4

30 parts by weight of an acrylic binder was added to the mixing agitator and 1 part by weight of ethylene glycol, 1 part by weight of butyl cellosolve, 0.5 part by weight of titanium dioxide, 5 parts by weight of water, 5 parts by weight of flaxseed slime and flaxseed slime extract After slowly adding a mixture and other thickening aids, pH regulators and the like in order to add 50 parts by weight of calcium carbonate filler and stirred at room temperature for 1 hour at a speed of 300rpm to prepare a building construction composition.

Evaluation example 1

After the deterioration part of the civil engineering structure was removed, the composition for repairing the building structures of Examples 1 to 4 was coated and dried on the surface to form a crack repair film. The adhesive strength, crack resistance and slip resistance of the crack repair film thus obtained and the storage stability of the crack repair agent composition were evaluated based on the test method of the KS standard and KSL 1593, and the results are shown in Table 1 below. In addition, in the case of water resistance, the degree of water absorption inside the crack repair film was evaluated by a five-point scale method. Product X in Table 1 represents a product for repairing the building structure of the building structure of Company B, which is commercially available in Korea, it was evaluated as a comparison target with the compositions of Examples 1 to 4.

TABLE 1

As shown in Table 1, the building structure repair composition of Examples 1 to 4 can be confirmed that the water resistance, water resistance and crack resistance is improved compared to the product X, it is confirmed that there is no problem in storage stability and slip resistance It became. In particular, Examples 1 and 2 in the present invention can be confirmed that the better evaluation in water resistance and water resistance, Examples 3 and 4 can be confirmed that the better evaluation in crack resistance.

The above-described embodiments are for illustrative purposes, and those of ordinary skill in the art to which the above-described embodiments belong may easily change to other specific forms without changing the technical spirit or essential features of the above-described embodiments. I can understand. Therefore, it is to be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope to be protected by the present specification is represented by the following claims rather than the above description, and should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalents. .

1000: altar
1: filter
110: filter supply table
111: fixed jaw
120: withdrawal roller
130: altar roller
131: first altar knife
132: second altar knife
133: third altar knife
150: filter outlet
500: elastic support

Claims (2)

And a filter supply table to which a draw roller which draws in and takes out a filter, and a cutting roller which cuts the filter drawn out from the draw roller, are bound.
The filter supply table is formed in a rectangular plate shape, and side frames are formed at both sides for binding of the drawing roller and the cutting roller,
The take-out roller transfers a filter, which is bound between both side frames of the filter supply table and placed on the filter supply table, to the step roller side, and is coupled to at least one side of both side frames of the filter supply table. It is provided to be rotatable by
The cutting roller is fastened between both side frames of the filter supply table, and the first cutting blade to the third cutting knife are formed, and the distance between the first cutting knife and the third cutting knife is the full width of the filter. The second cutting knife is formed between the first cutting knife and the third cutting knife and the gap is formed to correspond to the width of the cutting step of the filter required in the process, the first cutting knife to the The filter drawn out from the drawing roller by the third cutting knife is cut and conveyed to the filter drawing part extending from the rear side of the filter supply table, and driven by at least one side of the side frame of the filter supply table. It is provided to be rotatable,
It further comprises a pair of fixing jaw formed on the filter supply table to correspond to the first to third knife to be formed in the cutting roller to guide the position where the filter is placed,
It further comprises a support that is installed between both side frame of the filter supply table to be located in the extraction direction of the filter by the step roller,
The support further includes a first blade housing to a third blade housing formed in a direction toward the cutting roller corresponding to the first cutting knife to the third cutting knife,
Each of the first to third knife blades may be configured to guide the first to third knife blades when the first to third knife blades are rotated by the rotation of the cutter roller. Blade guide groove is formed,
The filter supply table is installed on a workbench,
Further comprising an elastic support provided between the filter supply table and the work table,
The resilient support part includes a support frame supported by a support plate installed on the lower side and supporting the filter supply table using an elastic force, and a first frame and a second frame rotatably connected to a lower portion of the support plate. A support frame supporting the supporting plate, the first frame and the second frame connected to each other to allow rotation and horizontal sliding movement;
The support pillar has a cross groove formed at an upper portion thereof, a vertical groove formed at each side thereof, and a cross elastic portion and the vertical groove which are connected to the lower space of the first frame in an internal space of the cross groove so as to be pivotable. It includes a vertical elastic portion connected to the lower side of the second frame rotatably in the inner space,
The cross elastic part may include an upper elastic part disposed at an outer side of each of four surfaces of the upper support part formed of a cube, an upper elastic support part supported by the upper elastic part, and maintained at a predetermined interval from the upper elastic support part and the first elastic part. The upper side of the frame includes an upper connection link that is connected to be installed rotatably,
The upper elastic portion is provided between the upper support portion and the upper elastic support portion to support the upper elastic support portion, a cylindrical body formed to have elastic force in the longitudinal direction by weaving a wire having elastic force in accordance with a predetermined rule, both sides of the cylindrical body And a washer-shaped end portion formed outwardly bent at a longitudinal end portion and a resistance reinforcement ring formed radially stacked around an outer circumference of the washer-shaped end portion. delete

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