KR101385059B1 - Apparatus for feeding hot melt - Google Patents

Abstract

In the present invention, the bookbinding of various types of industrial products such as EVA (Ethylene Vinyl Acetate) hot melt, rubber hot melt, polyamide hot melt or polyurethane hot melt Hot Melt, which is used as an adhesive in the bonding process, can be automatically supplied after melting from a solid phase into a liquid phase, and hot melt can be supplied while maintaining the same viscosity. A new hot melt feeder is disclosed which allows the quality of the final product to be significantly improved.
The present invention is installed in a position adjacent to the bonding process of the production line of the product, EVA (Ethylene Vinyl Acetate), rubber (Rubber), polyamide (Polyamide), A hot melt dosing container for receiving any one solid hot melt selected from a polyurethane system; A pair of hydraulic cylinders installed vertically from an installation surface corresponding to the left and right sides of the hot melt feeding container; A hydraulic piston installed inside the respective hydraulic cylinders in a state connected to the piston rod, the hydraulic piston being operated up and down of the hydraulic cylinder according to whether the hydraulic pressure is applied from the outside; A support for lifting and lowering with the hydraulic piston in a state of being installed across the upper ends of the piston rods connected to the respective hydraulic pistons; A hydraulic unit connected to the piston rod connected to the hydraulic piston by a hydraulic hose to apply hydraulic pressure to the piston rod in a state of being installed on an installation surface corresponding to a position spaced apart from the hydraulic cylinder; An actuating rod which is lifted up and down according to the lifting operation of the piston rod and the hydraulic piston in a state where one end is fixedly coupled to the center of the support; The hot melt has a size that fits inside the container, the first heater (heater) is generated in accordance with the application of the current therein, the lower part of the operating rod in the center of the lowering operation of the operating rod when the lowering operation A heat-compression plate for melting while pressing the solid hot melt filled in the hot melt inlet container while entering the lower inside of the hot melt inlet container; One end portion is inserted into the lower side of the one side of the hot pressing plate, the other end is a hot melt transfer pipe for transferring the molten liquid hot melt in the hot melt injection container in the state connected to the adhesive supply cylinder on the bookbinding machine; A pump installed at one side of an upper surface of the hot pressing plate to communicate with the hot melt conveying tube and pumping the liquid hot melt in the melted hot melt input container by the action of the hot pressing plate; Installed on the outer circumferential surface of the hot melt transfer pipe, it is configured to include one or a plurality of second heaters so that the viscosity of the liquid hot melt that is transferred along the hot melt transfer pipe is always maintained while being heated according to the application of current.

Description

Hot Melt Feeder {APPARATUS FOR FEEDING HOT MELT}

The present invention relates to a hot melt supply device, and more particularly, such as EVA (Ethylene Vinyl Acetate) -based hot melt (Hot Melt), rubber (Rubber) hot melt or polyamide (polyamide) hot melt or polyurethane (Polyurethane) hot melt Hot Melt used as an adhesive in bookbinding and bonding process of various industrial products can be automatically supplied after melting from solid state to liquid state. The present invention relates to a hot melt feeder, which enables the supply of the same viscosity while maintaining the same viscosity, thereby greatly improving the quality of the final product.

In general, hot melt is an adhesive that is maintained in a solid state and melts when heat is applied at a predetermined temperature, and thus has an adhesive performance, and is equivalent to that of a conventional two-component acrylic adhesive without requiring a separate solvent component. It has heat resistance, eliminates the need for drying by the curing process using ultraviolet lamps, saves energy and shortens the production process. Therefore, it has recently been used as an adhesive in various industries such as labels, tapes, foods, sanitarys and vehicles. It is widely used.

Such hot melts are widely used for packing boxes or cartons, or general bonding of paper, wood, steel, clothing, and plastics, and most commonly used EVA (Ethylene Vinyl Acetate) -based hot melts, and room temperature It is also used as a pressure sensitive adhesive (PSA), which is a rubber-based hot melt that has excellent flexibility and tension, and has a relatively high heat resistance. Polyamide-based hot melt used and a special moisture-curable adhesive that does not fall again after reacting with moisture after melting and bonding. Polyurethane is widely used for wood, shoes, clothing, automobile parts, etc. There is a hot melt.

When applying such a hot melt to a production line consisting of a continuous process such as bookbinding (製 本), the solid hot melt is melted into a liquid hot melt and then the molten liquid hot melt is moved to the bonding position along the production line while maintaining the same viscosity at all times Must be supplied to the product.

However, in the related art, since the hot melt supply device is not provided, there is a problem that the adhesion state of the product is uneven and the quality of the product is remarkably degraded.

In addition, conventionally, there is a problem that the coating state of the liquid hot melt supplied to the adhesive part of the product is uneven, so that the cooling and curing speeds are partially different and the adhesive state is uneven.

The present invention is to solve such a conventional problem, the object of the EVA (Ethylene Vinyl Acetate) hot melt (Hot Melt) or rubber (Rubber) hot melt or polyamide (Polyamide) hot melt or polyurethane (Polyurethane) Hot Melt, which is used as an adhesive in the bookbinding process of the book like the hot melt and in the production line of various industrial products, can be automatically supplied after melting from solid to liquid It is to provide a hot melt supply.

It is another object of the present invention to provide a new hot melt feeder that enables the hot melt to be supplied and applied to the adhesive portion of the product while maintaining the same viscosity, so that the quality of the final product can be greatly improved.

In order to achieve the above object, the present invention is installed in a position adjacent to the portion of the production process of the product is bonded, the upper part in an open state (Ethylene Vinyl Acetate) -based, rubber (Rubber), A hot melt dosing container in which any one solid hot melt selected from a polyamide-based and a polyurethane-based is accommodated; A pair of hydraulic cylinders installed vertically from an installation surface corresponding to the left and right sides of the hot melt feeding container; A hydraulic piston installed inside the respective hydraulic cylinders in a state connected to the piston rod, the hydraulic piston being operated up and down of the hydraulic cylinder according to whether the hydraulic pressure is applied from the outside; A support for lifting and lowering with the hydraulic piston in a state of being installed across the upper ends of the piston rods connected to the respective hydraulic pistons; A hydraulic unit connected to the piston rod connected to the hydraulic piston by a hydraulic hose to apply hydraulic pressure to the piston rod in a state of being installed on an installation surface corresponding to a position spaced apart from the hydraulic cylinder; An actuating rod which is lifted up and down according to the lifting operation of the piston rod and the hydraulic piston in a state where one end is fixedly coupled to the center of the support; The hot melt has a size that fits inside the container, the first heater (heater) is generated in accordance with the application of the current therein, the lower part of the operating rod in the center of the lowering operation of the operating rod when the lowering operation A heat-compression plate for melting while pressing the solid hot melt filled in the hot melt inlet container while entering the lower inside of the hot melt inlet container; One end portion is inserted into the lower side of the one side of the hot pressing plate, the other end is a hot melt transfer pipe for transferring the molten liquid hot melt in the hot melt injection container in the state connected to the adhesive supply cylinder on the bookbinding machine; A pump installed at one side of an upper surface of the hot pressing plate to communicate with the hot melt conveying tube and pumping the liquid hot melt in the melted hot melt input container by the action of the hot pressing plate; It is installed to be wrapped on the outer circumferential surface of the hot melt transfer pipe, characterized in that it comprises a one or a plurality of second heaters to ensure that the viscosity of the liquid hot melt conveyed along the hot melt transfer pipe is always maintained while being heated according to the application of current Have

According to the present invention, when a book is bound or a product is to be bonded in various industrial fields, a solid hot melt filled in a hot melt dosing container is melted by a hot pressing plate and a liquid phase melted in a hot melt dosing container. The hot melt is directly supplied to the glue supply container on the bookbinding machine or the production line by the pumping action of the pump, and the hot melt is heated by one or a plurality of second heaters while being transferred along the hot melt feed pipe. While maintaining the viscosity of the liquid hot melt applied to the uniform state there is an effect that the quality of the product is greatly improved.

1 is a block diagram showing a hot melt supply apparatus according to the present invention.
Figure 2 is a bottom view showing a state in which the first heater is installed in the hot pressing plate applied to the hot melt supply apparatus according to the present invention.
3 is a plan view showing a state in which the pump is installed in the hot pressing plate applied to the hot melt supply apparatus according to the present invention.
4 is an operational state diagram of the hot melt supply apparatus according to the present invention.
5 is a perspective view illustrating a state in which a hot melt feed tube applied to a hot melt supply device according to the present invention is used in connection with an adhesive supply container on a bookbinding machine.

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

1 to 5, the hot melt supply device 10 according to the present invention is configured to be connected to the adhesive supply container 14 of the bookbinding machine 12 or other production line in a state installed on a separate installation surface .

To this end, in the hot melt supply device 10 according to the present invention in the open state of the upper inside of the EVA (Ethylene Vinyl Acetate), rubber (Rubber), polyamide (Polyamide), polyurethane (Polyurethane) system The hot melt dosing vessel 18, in which the selected solid hot melt 16 is accommodated, is configured to be installed at a position adjacent to the portion where the bonding process is performed in the production line of the product.

 On the installation surface corresponding to the left and right sides of the hot melt inlet container 18, a pair of hydraulic cylinders 20 are vertically installed, and are connected to the piston rod 22 in the respective hydraulic cylinders 20. In accordance with the application of the hydraulic pressure from the outside in the hydraulic cylinder (20) to move up and down is configured to be installed to fit the hydraulic piston (24).

In addition, between the hydraulic piston 24 and the upper end of the piston rod 22 connected to each other is provided with a separate support 26 for lifting up and down with the hydraulic piston, a predetermined distance from the hydraulic cylinder 20 On the installation surface corresponding to the predetermined position is connected to the piston rod 22 connected to the hydraulic piston 24 is connected to the hydraulic hose 28 is configured to install a hydraulic pressure 30 for applying hydraulic pressure to the piston rod 22.

In addition, in the center of the support 26, the operating rod 32, which is moved up and down in accordance with the lifting operation of the piston rod 22 and the hydraulic piston 24, is fixed and coupled.

In the present invention, the inside of the hot melt inlet container 18 is filled into the inside of the hot melt inlet container 18 while entering the lower inner side of the hot melt inlet container 18 during the lowering operation of the actuating rod 32. A separate heating pressing plate 34 for melting while pressurizing is configured to be fitted to the lifting operation.

To this end, the heating compression plate 34 has a size fitted to the inside of the hot melt inlet container 18, the inside of the first heater (heater) generated by the application of current, as shown in FIG. 36)) is installed, and the lower end of the operating rod 32 is fixed and coupled to the center.

 In addition, one side of the hot pressing plate 34 transfers the molten liquid hot melt 16a by the action of the hot pressing plate 34 to the binder supplying unit 14 on the bookbinding machine 12 or other production line of the product. It is configured to install a separate hot melt transfer pipe 38 to.

One end of the hot melt transfer pipe 38 is fitted into one side lower portion of the heating compression plate 34, the other end is connected to the adhesive supply cylinder 14 on the bookbinding machine 12.

In the present invention, the pump 40 for pumping the liquid hot melt 16a in the molten hot melt inlet container 18 by the action of the heating pressing plate 34 on one side of the upper surface of the hot pressing plate 34 is a hot melt transfer pipe Is installed in communication with (38), the outer circumferential surface on the hot melt conveying pipe 38 is one to ensure that the viscosity of the liquid hot melt (16a) conveyed along the hot melt conveying pipe 38 is always maintained while being heated according to the application of a current or The plurality of second heaters 42 are configured to be wrapped.

The operation of the present invention is as follows.

1 to 5, when the product to be transported along the production line in various industrial sites, such as bookbinding work using the bookbinding machine 12, first EVA inside the hot melt container 18 The solid hot melt 16 selected from (Ethylene Vinyl Acetate), Rubber, Polyamide, and Polyurethane is introduced.

Then, when the hydraulic pressure is applied to the piston rod 22 connected to the hydraulic hose 28 by operating the hydraulic pressure cylinder 30, the piston rod 22 and the hydraulic piston 24 are lowered inside the hydraulic cylinder 20. At the same time, a support 26 installed across the upper end of the piston passage 22 and the operating rod 32 coupled to the center of the support 26 are simultaneously lowered.

Accordingly, the heating press plate 34 inserted into the upper inside of the hot melt feeding container 18 is pushed into the lower side of the hot melt feeding container 18 and at the same time, the first heater 36 installed in the heating pressing plate 34. The solid hot melt 16 filled in the inside of the hot melt input container 18 is gradually melted from the upper side as it is heated.

At the same time, while the pump 40 installed on the upper side of the heating pressing plate 34 is operated, the liquid hot melt 16a melted in the upper inside of the hot melt inlet container 18 is sucked into the hot melt transfer pipe 38. It is conveyed to the adhesive supply container 14 on the bookbinding machine 12.

On the other hand, when the pumping operation of the pump 40 is started, the second heater 42 installed on the outer circumferential surface of the hot melt transfer pipe 38 is heated, the viscosity of the liquid hot melt conveyed along the hot melt transfer pipe 38 is It is kept uniform.

The conveying operation of the liquid hot melt by the melting action of the solid hot melt 16 by the hot pressing plate 34 and the pumping action of the pump 40 is continued for a predetermined time.

12: bookbinding machine 14: glue supply container
16: solid hot melt 16a: liquid hot melt
18: hot melt container 20: hydraulic cylinder
22: piston rod 24: hydraulic piston
26: support 28: hydraulic hose
30: hydraulic 32: operating rod
34: heating press plate 36: the first heater
38: hot melt transfer pipe 40: pump
42: second heater.

Claims (1)

It is installed at the position adjacent to the part where the adhesion process is performed in the production line of the product, and the EVA (Ethylene Vinyl Acetate), Rubber, Polyamide, Polyurethane ( A hot melt input container 18 in which any one of the solid-state hot melts 16 selected from the group consisting of Polyurethane) is accommodated;
A pair of hydraulic cylinders 20 which are vertically installed from the installation surface corresponding to the left and right sides of the hot melt inlet container 18;
A hydraulic piston 24 fitted into the respective hydraulic cylinders 20 in a state of being connected to the piston rod 22, and being operated up and down of the hydraulic cylinders 20 depending on whether the hydraulic pressure is applied from the outside;
A support 26 which is lifted and operated together with the hydraulic piston 24 in a state installed between the upper ends of the piston rods 22 connected to the respective hydraulic pistons 24;
A hydraulic hose 28 is connected to the piston rod 22 connected to the hydraulic piston 24 in a state in which it is installed on an installation surface corresponding to a position spaced apart from the hydraulic cylinder 20 by hydraulic pressure to the piston rod 22. An oil press 30 for applying a;
An actuating rod 32 which is lifted up and down in accordance with the lifting operation of the piston rod 22 and the hydraulic piston 24 in a state where one end is fixedly coupled to the center of the support 26;
It has a size that fits inside the hot melt container 18, the first heater (36) that generates heat in accordance with the application of current is installed therein, the lower end of the operating rod 32 is fixed at the center Heat-compression plate 34 for melting while pressing the solid-state hot melt 16 filled in the hot melt inlet container 18 while entering the lower inside of the hot melt inlet container 18 during the lowering operation of the operating rod 32 in the coupled state )and;
One end portion is inserted into the lower portion of the one side of the hot pressing plate 34, the other end is a liquid phase melted in the hot melt inlet container 18 in a state connected to the adhesive supply cylinder 14 on the bookbinding machine 12 A hot melt conveying pipe (38) for transferring hot melt (16a) to the adhesive supply container (14);
A pump for pumping the liquid hot melt (16a) in the melted hot melt inlet container 18 by the action of the hot pressing plate 34 is installed in communication with the hot melt transfer pipe 38 on one side of the upper surface of the heating pressing plate 34 40;
One or a plurality of agents are installed to be wrapped on the outer circumferential surface of the hot melt transfer pipe 38, and the viscosity of the liquid hot melt 16a transferred along the hot melt transfer pipe 38 is always maintained while being heated according to the application of current. Hot melt supply, characterized in that configured to include two heaters (42).

Images