KR100768567B1 - Aqueous glue sprayer and spraying apparatus comprising the same - Google Patents

Abstract

An aqueous glue sprayer and an aqueous glue spraying apparatus having the same are provided to minimize manpower through an automated process and to prevent the aqueous glue from being wasted by properly applying the aqueous glue. An aqueous glue sprayer(100) is composed of a main body(10) having a cylinder(7); a needle valve(20) vertically disposed in the center of the cylinder, wherein a lower end of the needle valve is formed in the shape of a cone; an isolating ring(15) fixed in the center of the cylinder to divide the cylinder into an upper air chamber(60) and a lower glue chamber(70) and provided with a needle valve through-hole(17) formed in the center so as to slide the needle valve with keeping airtightness; a compression ring(25) joined to the outer peripheral surface of the upper end of the needle valve to restrict the upper limit of the air chamber and vertically slid with keeping airtightness from the inner peripheral surface of the cylinder; an upper cap(30) combined to the upper end of the cylinder; a return spring(90) disposed in a spring chamber(80) formed between the compression ring and the upper cap so as to provide elastic force for pressing the needle valve to the lower side; a lower cap(40) combined to the lower end of the cylinder and provided with a glue ejection port(43) formed in the center and opened and closed by the needle valve; and an air control valve(50) supplying or cutting the high-pressure air supplied by a compressor through a first air port(11) formed at the main body to communicate with the air chamber. The high-pressure aqueous glue flowing through a glue port(9) of the main body is sprayed through a nozzle(53) by opening the glue ejection port in moving up the needle valve and not sprayed at the same time in closing the glue ejection port in moving down the needle valve.

Description

Aqueous adhesive sprayer and aqueous adhesive sprayer comprising same {AQUEOUS GLUE SPRAYER AND SPRAYING APPARATUS COMPRISING THE SAME}

1 is a structural diagram showing a partially cut in the aqueous adhesive injector according to the present invention in the stopped state,

2 is a structural view showing a partially cut in the aqueous adhesive injector according to the present invention in the operating state,

FIG. 3 is a layout view schematically illustrating the aqueous adhesive spraying apparatus according to the present invention including the aqueous adhesive spraying apparatus of FIG. 1.

* Description of the symbols for the main parts of the drawings *

7: cylinder 9: glue port

10: main body 11: first air port

13: second air port 15: isolation ring

17: needle valve through hole 20: needle valve

25: compression ring 30: upper cap

32: large diameter 33: through hole

34: small diameter part 35: upper cap member

40: lower cap 43: adhesive discharge port

45: lower cap member 50: air control valve

53: nozzle 55: nozzle member

60: air chamber 70: adhesive chamber

80: spring chamber 90: restoring spring

93: adjusting rod 95: needle play adjustment member

97: throttle 100: aqueous glue injector

101: packing box 110: working line

115: support pillar 120: support

125: mounting rod 130: product detection sensor

140: control unit 150: aqueous adhesive tank

The present invention relates to an aqueous adhesive injector, and more particularly to an aqueous adhesive injector for injecting an aqueous adhesive on the surface of the packaging material made of paper and an injector including the same.

In general, paper packaging is assembled in the form of a box or bag, and is widely used for packaging various kinds of articles. Such packaging boxes and packaging bags made of paper are used for various purposes for assembly or handling convenience. Specifically, the adhesive may be used for bonding between the joints in the process of assembling the packaging box and the packaging bag in the pre-packaging stage, and the adhesive may be used to improve the surface friction of the packaging box when the packaging is completed. .

In more detail, the packaging box in which the goods are embedded is generally loaded on the storage box of the vehicle in several layers during the transport process. When used as it is, the paper box is very slippery when stacked in multiple layers due to its very low frictional force. Therefore, when the inertial force is applied during the movement of the vehicle, the paper box does not remain stacked and easily collapses. This may cause damage to the packaging box as well as to items that are packed inside. In order to solve such a problem, a method of applying an adhesive for improving friction on the surface of the packaging box is used.

However, if the process of applying the adhesive for each of the above uses by hand, a considerable time and a lot of manpower is inevitably consumed, and it is not easy to quantitatively control the adhesive to be applied. In addition to the inefficiency of the work, there are many problems that are undesirable from an economic point of view.

As invented to solve the problems of the prior art as described above,

The present invention provides an aqueous adhesive injector and an aqueous adhesive injector including the same, which enables the proper application of the appropriate amount of adhesive to the required area, and also enables the rapid process execution while minimizing the manpower required through automation. For the purpose of

The present invention for achieving the above object,

A main body having a cylinder;

A needle valve disposed perpendicular to the center of the cylinder and having a lower end formed in a conical shape;

An isolation ring fixed to a central portion of the cylinder and divided into an upper air chamber and a lower adhesive chamber, the isolation ring having a needle valve through-hole formed in the center thereof to be slidable in a state where the needle valve is kept airtight;

A compression ring coupled to an outer circumferential surface of the upper end of the needle valve to define an upper limit of the air chamber, and sliding up and down while maintaining airtightness with the inner circumferential surface of the cylinder;

An upper cap fastened to the upper end of the cylinder;

A restoring spring disposed in the spring chamber formed between the compression ring and the upper cap to provide an elastic force for pressing the needle valve downward;

A lower cap fastened to a lower end of the cylinder and having an adhesive discharge opening opened and closed by a needle valve at a central portion thereof; And

And an air control valve configured to perform a control to supply or block the high pressure air provided by the compressor to the first air port formed in the main body so as to communicate with the air chamber.

The high pressure aqueous adhesive flowing through the adhesive port formed in the main body to be in communication with the adhesive chamber can be injected through the nozzle with the opening of the adhesive outlet when the needle valve is raised, and the adhesive outlet is closed when the needle valve is lowered. And an aqueous adhesive injector characterized in that the spraying is stopped.

The main body further includes a second air port formed to communicate with the spring chamber.

The air control valve is characterized in that for performing the control to selectively supply the high pressure air provided by the compressor to the first air port or the second air port.

In addition, the upper cap is fastened to the upper end of the cylinder, the upper cap member having a through hole divided into a large diameter portion of the lower side and a small diameter portion of the upper side in the center, and

A control rod extending downward from the center portion to penetrate the small diameter portion of the upper cap member, and an adjustment plate supporting the restoration spring at an upper portion thereof, the diameter of which is extended to correspond to the large diameter portion diameter of the upper cap member at the lower end of the adjustment rod, It characterized in that it comprises a needle clearance adjustment member that is fastened to the adjustable lift cap member.

In addition, the lower cap is formed in a shape corresponding to the lower end of the needle valve in the center, the lower cap member having an adhesive outlet opening and closing by the needle valve, and

It is fastened to the lower cap member, characterized in that it comprises a nozzle member having a nozzle for injecting the aqueous adhesive passed through the adhesive discharge port in the center.

On the other hand, the present invention,

In the aqueous adhesive injector having the above-mentioned aqueous adhesive injector,

A support comprising a vertical support column disposed adjacent to a workline to which the article to be coated with the aqueous adhesive is transported;

An article detection sensor installed on the support for sensing the article passing through the work line;

An installation rod mounted on the support column of the support to be adjustable in height and disposed to cross the upper portion of the work line;

At least one aqueous adhesive injector mounted on the mounting rod to spray the aqueous adhesive onto the article passing downwardly; And

The control unit for controlling the operation of the aqueous adhesive injector; provides an aqueous adhesive injector comprising a.

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

1 is a structural diagram showing a partially cut in the aqueous adhesive injector according to the present invention in the stopped state, Figure 2 is a structural diagram showing a partially cut in the aqueous adhesive injector according to the present invention in the operating state.

As shown in FIG. 1, the aqueous adhesive injector 100 according to the present invention is capable of injecting a water-adhesive adhesive appropriately controlled in quantity at a precise time point, and includes a main body 10 having a cylinder 7. ), A needle valve 20 which is disposed in a vertical counterpart in the cylinder 7 and is elevated by high pressure air, and has a lower end formed in a conical shape, and an upper cap 30 fastened to an upper end and a lower end of the cylinder 7, respectively. ) And the lower cap 40, and an air control valve 50 for controlling to supply or block the high pressure air for operating the needle valve 20.

An isolation ring 15 is secured to the inner center of the cylinder 7 to divide it into the upper air chamber 60 and the lower adhesive chamber 70, which is also provided with a needle valve 20 at the center. ) Is provided with a needle valve through-hole 17 formed to be slidable in a state of maintaining airtightness. Accordingly, the needle valve 20 is located in the upper part of the air chamber 60 above the isolation ring 15, and the lower part of the needle valve 20 is located in the adhesive chamber 70 below the isolation ring 15. In this way, as the air chamber 60 to be supplied with the high pressure air and the adhesive chamber 70 to be supplied with the aqueous adhesive are isolated from each other in a state where the airtightness is maintained with each other, the contact between the aqueous adhesive and the air is prevented, so that the aqueous adhesive is prevented. Oxidation due to contact with air does not occur to change properties.

In addition, a compression ring 25 is coupled to the outer circumferential surface of the upper end of the needle valve 20 to define an upper limit of the air chamber 60 in which a lower limit is defined by the isolation ring 15, and the compression ring 25 is a needle valve ( At the time of the sliding movement of 20, the inner circumferential surface of the cylinder 7 is slidably moved up and down together while maintaining airtightness.

The spring spring 80, which can be defined as the space formed between the compression ring 25 and the upper cap 30, that is, between the needle valve 20 and the upper cap 30, the restoring spring 90 is built in, and the restoring spring 90 provides an elastic force that compresses the needle valve 20 downward, so that when the external force by the high pressure air does not act on the air chamber 60, the needle valve 20 ) To always keep the state of closing the adhesive discharge port 43 is formed in the lower cap 40 to be described later to force downward.

The lower cap 40 which is fastened to the lower end of the cylinder 7 has an adhesive discharge port 43 opened and closed by the needle valve 20 at the center thereof. In more detail, the lower cap 40 may be configured to include a lower cap member 45 and a nozzle member 55. In this case, the lower cap member 45 is formed in a shape corresponding to the lower end of the needle valve 20 at the center thereof, and has an adhesive discharge port 43 as described above opened and closed by the needle valve 20. Moreover, the nozzle member 55 is fastened to the lower part of the lower cap member 45, and has the nozzle 53 which injects the aqueous adhesive discharged | emitted to the adhesive discharge port 43 to the outside in the center part.

The upper cap 30 fastened to the upper end of the cylinder 7 includes an upper cap member 35 fastened directly to the upper end of the cylinder 7, and a needle play adjustment member 95 fastened to the upper cap member 35. It may be made of a configuration including. In this case, the upper cap member 35 has a through hole 33 divided into a large diameter portion 32 on the lower side and a small diameter portion 34 on the upper side in the center thereof. In addition, the needle clearance adjusting member 95 extends downwardly from the center to penetrate the small diameter portion 34 of the upper cap member 35, and the upper cap member 35 at the lower end of the adjusting rod 93. The diameter is expanded to approach the diameter of the large diameter portion 32 of the) having a control plate 97 for supporting the restoring spring 90 from the top, and is fastened to the upper cap member 35 to be adjustable.

In more detail, the adjusting plate 97 of the needle clearance adjusting member 95 is positioned in contact with the upper end of the restoring spring 90, and the adjusting plate 97 is formed on the upper cap member 35. Located in the large diameter portion 32 of the through hole 33 may be manually adjusted to move up and down in a certain range of sections. Therefore, the restoring spring 90 that contracts or relaxes between the bottom surface of the adjustment plate 97 and the top surface of the needle valve 20 has a contraction limit through the adjustment of the needle clearance adjusting member 95 as described above. Can be adjusted.

In addition, the main body 10 includes a first air port 11 for connecting the air chamber 60 and the air control valve 50 to the compressor (not shown) through the control of the air control valve 50. It is possible to supply the high pressure air provided by the air chamber 60. The main body 10 also has an adhesive port 9 for connecting the adhesive chamber 70 and the adhesive tank (see FIG. 3) to supply the aqueous adhesive provided from the adhesive tank to the adhesive chamber 70. To help.

Referring to the operation method of the water-based adhesive injector according to the present invention as follows.

Normally, the needle valve 20 is pressed downward by the elastic force of the restoring spring 90 so that the adhesive outlet 43 is kept closed, so that the aqueous adhesive injector 100 according to the present invention is aqueous. It is maintained without spraying the adhesive.

If injection of the aqueous adhesive is required, the aqueous adhesive injector according to the present invention is controlled by controlling the air control valve 50 to supply the high pressure air provided by the compressor through the first air port 11 to the air chamber 60. 100 will spray the aqueous adhesive. Specifically, a high pressure is formed in the air chamber 60 by the supplied high pressure air, and this pressure acts on the compression ring 25 which is integrally coupled with the needle valve 20, and is downward by the restoring spring 90. To push up the needle valve 20 in a compressed state. As the needle valve 20 rises in this manner, the adhesive discharge port 43 blocked by the lower end of the needle valve 20 formed in a conical shape is opened, and thus the adhesive chamber 70 from the adhesive tank (not shown) is opened. The high pressure water-based adhesive supplied to) may be discharged to the adhesive discharge port 43 and then sprayed to the required position through the nozzle 53. At this time, the restoring spring 90 maintains the contracted state in the spring chamber 80 on the needle valve 20 as the needle valve 20 rises.

Then, if it is necessary to stop the injection, by controlling the air control valve 50 to cut off the high pressure air supplied to the first air port 11, the aqueous adhesive injector 100 according to the present invention is the injection of the aqueous adhesive Will stop. Specifically, as the air chamber 60 is no longer maintained at a high pressure due to the blocking of the high pressure air, the restoring spring 90 that has been contracted returns to its original position by pressing the needle valve 20 which has risen by its elastic force. As a result, the aqueous adhesive can no longer be sprayed by closing the adhesive discharge port 43 in which the needle valve 20 is opened again.

Meanwhile, the main body 10 constituting the aqueous adhesive injector 100 according to the present invention may further include a second air port 13 for connecting the spring chamber 80 and the air control valve 50. have. In this case, the air control valve 50 controls to selectively supply high pressure air to only one of the first air port 11 and the second air port 13, such that the air chamber 60 and the spring chamber 80 are provided. Only high pressure air can be supplied to either.

In this case, when the injection of the aqueous adhesive injector 100 is being stopped, the air control valve 50 blocks the high pressure air supplied to the first air port 11 and at the same time the second air port 13 The control is performed to supply high pressure air so that a high pressure is formed in the spring chamber 80, so that the needle valve 20 only returns to close the adhesive outlet 43 depending on the elastic force of the restoring spring 90. Rather, it is possible to return by the pressure by the supplied high pressure air, so that the spraying aqueous adhesive injector 100 can be switched to the spray stop state more quickly.

3 is a layout diagram schematically illustrating an aqueous adhesive spraying apparatus according to the present invention including the aqueous adhesive spraying apparatus of FIG. 1.

The aqueous adhesive injector 100 according to the present invention, as shown in FIG. 3, is a vertical support pillar disposed adjacent to the work line 110 to which an article such as a packaging box 101 to which the aqueous adhesive is applied is transported. The support 120 including the 115, the mounting rod 125 is mounted to the height adjustable on the support pillar 115 to be disposed to cross the upper portion of the work line 110, and installed in the support pillar 115 And an aqueous adhesive spraying device together with an article detecting sensor 130 for detecting an article passing through the work line 110, and a controller 140 for controlling the operation of the aqueous adhesive spraying machine 100.

In addition, the aqueous adhesive injector has a compressor (not shown) for providing high pressure air selectively supplied to the aqueous adhesive injector 100 through the air control valve 50, and the injection is controlled by the needle valve 20. It is further provided with an aqueous adhesive tank 150 for storing the aqueous adhesive to be supplied to the aqueous adhesive injector 100, the high pressure air provided by the compressor for supplying the aqueous adhesive to the aqueous adhesive injector 100 in a high pressure state It can also be used for purposes.

The aqueous adhesive injector is mounted on the mounting rod 125 to spray the aqueous adhesive onto the article passing under the nozzle 53. In addition, the water-based adhesive injector 100 is mounted on the mounting rod 125 is fixedly adjustable on the support pillar 115, the mounting rod 125 is mounted so as to be adjustable in the horizontal direction, the lower The installation position can be adjusted up, down, left, and right according to the size of the article 101 to pass through, two or more aqueous adhesive injectors 100 may be used together as necessary.

In addition, the aqueous adhesive injector 100 is controlled by the control unit 140. Specifically, when the front end of the article 101 is detected by the article detection sensor 130 installed on the support pillars 115 of the support 120 to detect the article 101 passing through the work line 110, The detection signal is transmitted to the control unit, and the control unit 140 transmits a control signal to the air control valve 50 of the aqueous adhesive injector 100 so that the needle valve 20 rises, so that the adhesive outlet 43 is opened. At the same time, the aqueous adhesive can be sprayed through the nozzle (53). Then, when the article detection sensor 130 detects that the rear end of the article 101 has passed, and also transmits a detection signal to the control unit 140, the control unit 140 is the air control valve of the aqueous adhesive injector 100 ( The control signal is transmitted to 50 to allow the needle valve 20 to descend so that the adhesive outlet 43 is closed to stop the injection.

That is, the water-based adhesive injector according to the present invention can be quickly controlled by the article detection sensor 130 and the control unit 140 to quickly and appropriately control the start and end of the injection, and the needle clearance adjusting member ( By properly adjusting the opening degree of the adhesive discharge opening 43 due to the rise of the needle valve 20 by appropriately using 95), the discharge amount can also be appropriately adjusted, so that the aqueous adhesive can be applied to the required portion accurately. In addition, it is possible to prevent the use of excess water-based adhesive.

By providing the aqueous adhesive injector and the aqueous adhesive injector including the same according to the present invention as described above, the present invention is possible to perform a fast process while minimizing the required manpower through an automated process, and requires an appropriate amount of adhesive By properly applying to the site, it is possible to obtain an effect of preventing the water-based adhesive from being consumed more than necessary.

While the invention has been shown and described with respect to specific embodiments thereof, those skilled in the art will recognize that various changes and modifications can be made without departing from the spirit and scope of the invention as set forth in the appended claims. Anyone can easily know.

Claims (8)

A main body having a cylinder; A needle valve disposed perpendicular to the center of the cylinder and having a lower end formed in a conical shape; An isolation ring fixed to a central portion of the cylinder and divided into an upper air chamber and a lower adhesive chamber, the isolation ring having a needle valve through-hole formed in the center thereof to be slidable in a state where the needle valve is kept airtight; A compression ring coupled to an outer circumferential surface of the upper end of the needle valve to define an upper limit of the air chamber, and sliding up and down while maintaining airtightness with the inner circumferential surface of the cylinder; An upper cap fastened to the upper end of the cylinder; A restoring spring disposed in the spring chamber formed between the compression ring and the upper cap to provide an elastic force for pressing the needle valve downward; A lower cap fastened to a lower end of the cylinder and having an adhesive discharge opening opened and closed by a needle valve at a central portion thereof; And And an air control valve configured to perform a control to supply or block the high pressure air provided by the compressor to the first air port formed in the main body so as to communicate with the air chamber. The high pressure aqueous adhesive flowing through the adhesive port formed in the main body to be in communication with the adhesive chamber can be injected through the nozzle with the opening of the adhesive outlet when the needle valve is raised, and the adhesive outlet is closed when the needle valve is lowered. And the water-based adhesive injector, wherein the spraying is stopped. The method of claim 1, The main body further includes a second air port formed to communicate with the spring chamber, And the air control valve performs control to selectively supply the high pressure air provided by the compressor to the first air port or the second air port. The method according to claim 1 or 2, The upper cap is fastened to the upper end of the cylinder, the upper cap member having a through hole divided into a large diameter portion of the lower side and a small diameter portion of the upper side in the center, and A control rod extending downward from the center portion to penetrate the small diameter portion of the upper cap member, and an adjustment plate supporting the restoration spring at an upper portion thereof by expanding the diameter to correspond to the large diameter portion of the upper cap member at the lower end of the adjustment rod, An aqueous adhesive injector comprising a needle clearance adjustment member fastened to the upper cap member to be adjustable. The method of claim 3, wherein The lower cap is formed in a shape corresponding to the lower end of the needle valve in the center and having a lower cap member having an adhesive outlet opening and closing by the needle valve, and And a nozzle member fastened to the lower cap member, the nozzle member having a nozzle for injecting the aqueous adhesive having passed through the adhesive discharge port in the center thereof. An aqueous adhesive injector comprising the aqueous adhesive injector of claim 1, A support comprising a vertical support column disposed adjacent to a workline to which the article to be coated with the aqueous adhesive is transported; An article detection sensor installed on the support for sensing the article passing through the work line; An installation rod mounted on the support column of the support to be adjustable in height and disposed to cross the upper portion of the work line; At least one aqueous adhesive injector mounted on the mounting rod to spray the aqueous adhesive onto the article passing downwardly; And And a control unit controlling the operation of the aqueous adhesive injector. The method of claim 5, The main body further includes a second air port formed to communicate with the spring chamber, And the air control valve performs control to selectively supply the high pressure air provided by the compressor to the first air port or the second air port. The method according to claim 5 or 6, The upper cap is fastened to the upper end of the cylinder, the upper cap member having a through hole divided into a large diameter portion of the lower side and a small diameter portion of the upper side in the center, and A control rod extending downward from the center portion to penetrate the small diameter portion of the upper cap member, and an adjustment plate supporting the restoration spring at an upper portion thereof by expanding the diameter to correspond to the large diameter portion of the upper cap member at the lower end of the adjustment rod, An aqueous adhesive spraying device comprising a needle clearance adjusting member fastened to the upper cap member to be adjustable. The method of claim 7, wherein The lower cap is formed in a shape corresponding to the lower end of the needle valve in the center and having a lower cap member having an adhesive outlet opening and closing by the needle valve, and And a nozzle member fastened to the lower cap member, the nozzle member having a nozzle for injecting the aqueous adhesive having passed through the adhesive discharge port at the center thereof.

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