KR20190074582A - Apparatus for Rear Pasting of Sliced Veneer - Google Patents

Abstract

The present invention relates to an apparatus for grafting a plurality of sliced veneers by using a thermal adhesive sheet, which comprises: a rail (12) installed on a fixing frame (11) fixed on both sides of a table (10) to be grafted on a rear surface of a sliced veneer (4) using a thermal adhesive sheet (3); a guide block (14) horizontally slid along each rail (12); a pair of vertical frames (16) in which a lower portion is fixed and installed at a fixing plate (15) coupled to a side surface of the guide block (14); a horizontal frame (17) fixed and installed between upper ends of the vertical frames (16); an air cylinder (20) installed at a lower end of a plurality of support frames (18) installed between the horizontal frames (17) at a predetermined interval; a lifting frame (22) fixed to a lower end of a piston (21) coupled to the air cylinder (20); a heating block (30) fixed and coupled to a lower end of the lifting frame (22) by a plurality of support bars (33) and a spring (34) at a predetermined interval; a heating wire (32) inserted into the heating block (30); a controller (40) for controlling the elevation of the air cylinder (20) and supplying a power source to the heating wire (32) by an operation of an operation switch (42) installed at one side of the vertical frames (16); and a pneumatic pump (41) for generating air for intake and exhaust of air in the air cylinder (20) under control of the controller (40). According to the present invention, the quality and productivity of a sliced veneer sheet can be improved while a plurality of sliced veneers are grafted at a time by a thermal adhesive sheet.

Description

[0001] Apparatus for Rear Pasting of Sliced Veneer [

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a veneer insulator, and more particularly, to a device for inserting a plurality of veneers using a thermal adhesive sheet.

In general, vignetting is a decorative plate that is cut thinly like paper with a knife in a wood material that is turned up to reveal the necessary grain of natural wood. It is used as a cover of the wood or the plywood or it is a finish to be attached to furniture by using an adhesive. Moreover, the texture and color of the natural wood are alive and you can feel the luxury, and you can produce various atmosphere depending on the kind of wood. However, there is a disadvantage that the processing is more difficult than the sheet, the process takes a long time, and the price is high.

As a prior art related to the present invention, Patent Document 1 discloses a veneer sheet (20); A hot melt sheet (30) interposed on one side of the veneer; And a base material (40) attached to one side of the hot melt sheet (30), wherein the hot melt sheet is integrally formed. In Patent Document 1, a hot melt sheet is placed on a folded ground, and a plurality of stripes of a predetermined size in a horizontal direction and a vertical direction are sequentially placed on a hot-melt sheet, while hot melt sheets are melted and melted The work was done to cover the veneer of the field with a wide veneer.

Therefore, conventionally, in order to cover the veneer, there is a problem that the operator does not constantly press the veneer when pressing on the veneer by using a single heat welding machine, and there is a problem that the veneer and the veneer are widened or overlapped. Also, It did not stick well or there was a case of vignetting. In addition, there is a problem that production time and cost are required due to the adhesion of the veneer sheet, and quality is influenced by the skill of the operator.

Registered Utility Model No. 20-0392549 of the Republic of Korea (Notice of August 19, 2005)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to solve the above problems by providing a heat adhesive sheet, in which a plurality of heating blocks are arranged at regular intervals, Purpose.

Another object of the present invention is to improve the quality and productivity of a veneer sheet while bonding a plurality of veneer on a plane.

In order to achieve the above object, according to the present invention, there is provided a rail structure comprising: a rail provided on a fixed frame fixed to both sides of a table for bonding with a thermal adhesive sheet on the back side of a veneer; A guide block slid horizontally along the rails; A pair of vertical frames fixed to the lower portion of the fixed plate coupled to the side surfaces of the guide block; A horizontal frame fixed between the upper ends of the vertical frames; An air cylinder provided at a lower end of a plurality of support frames provided at predetermined intervals between the horizontal frames; A piston lower end coupled to the air cylinder and a fixed lifting frame; A heating block fixedly coupled to the lower end of the lifting frame by a plurality of support bars and springs at regular intervals; A heating wire inserted inside the heating block; A controller for controlling the lifting and lowering of the air cylinder by the operation of an operation switch provided at one side of the vertical frame and supplying power to the hot line, and a pneumatic pump for generating air for intake and exhaust to the air cylinder under the control of the controller Is provided.

Further, in the present invention, a guard frame may be provided on the central side of the vertical frame and the guard frame below the horizontal frame, respectively.

Further, in the present invention, a heating protrusion contacting the surface of the veneer may protrude from the bottom surface of the heating block, and a temperature sensor may be configured to sense the temperature of the heating block.

Further, in the present invention, a wiring cover plate may be provided on the entire surface of the heating block.

According to the present invention, there is an advantage that quality and productivity of a veneer sheet can be improved while bonding a plurality of veneer sheets to a wide veneer sheet at one time using a heat-bonding sheet.

1 is a perspective view showing a veneer insulator according to an embodiment of the present invention.
2 is a front view showing a state in which the lifting frame is lifted in the veneer wood boarding apparatus according to the present invention.
3 is a front view showing a state in which the lifting frame is lowered in the veneer wood boarding apparatus according to the present invention.
4 is a side view of the veneer insulator according to the present invention.
FIG. 5 is a side view illustrating a process of inserting a veneer into a veneer inserter according to the present invention.
6 is a plan view showing a portion where the surface of the veneer is melted by the heating protrusion of the heating block being pressed by the veneer insulator according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a veneer insulator according to the present invention will be described in detail with reference to the accompanying drawings.

In Fig. 1, a table 10 is provided on the rear surface of a plurality of laminated woods 4 to bond the laminated wood 4 using the heat-bonding sheet 3. As shown in Fig. The size of the table should be at least 2m x 3m in width and height, and height should be adjusted for height and worker's body structure and work efficiency. It is preferable that the surface of the table (10) is flat, there is no foreign substance, and the lighting equipment is combined. The table 10 may be provided with a plurality of casters at the lower end thereof so as to be movable.

2 and 3, the rails 12 are fixed on both sides of the table 10 on the fixed frame 11 in the longitudinal direction, respectively. The rail 12 is preferably a round rail, but may be a polygonal rod. At both ends of the rail 12, a stopper 13 is provided. The guide block 14 is slid horizontally along the respective rails 12. The guide block 14 is provided with a plurality of bearings for sliding movement. It is preferable that a plurality of guide blocks 14 are provided on the rails 12.

The vertical frame 16 is fixed on each guide block 14 and the lower portion is fixed to the fixing plate 15 coupled to the side surface of the guide block 14. [ The vertical frame 16 is installed at a predetermined height in a pair in front of and behind the fixed plate 15 at regular intervals. It is preferable that the vertical frame 16 is provided with an operation switch 42 for operating the wearing-out apparatus 1.

The horizontal frame 17 is fixedly installed between the upper ends of the vertical frames 16. A plurality of support frames (18) are joined at regular intervals between the horizontal frames (17). At the lower end of the support frame 18, the air cylinders 20 are installed at regular intervals. The air cylinder 20 is connected to the pneumatic pump 41 by pneumatic flow through the air hose, respectively. A guard frame 19 is provided on the horizontal frame 17 in the forward and backward directions. The guard frame 19 prevents the operation of the air cylinder 20 and the lift frame 22 from being interfered with from the outside. A plurality of lighting fixtures are provided in the guard frame 19 to facilitate the fitting of vignetting.

The lifting frame 22 is fixed to the lower end of the piston 21 coupled to the air cylinder 20 and is installed side by side under the support frame 18. The lifting frame 22 is lifted up and down according to the operation of the air cylinder 20. The heating block 30 is fixedly coupled to the lower end of the lift frame 22 by a plurality of support bars 33 and springs 34 at regular intervals. The support bar 33 to which the spring 34 is elastically supported serves to buffer the descent of the air cylinder 20 while the heating block 30 contacts the surface of the veneer 4. The heating block 30 should have good thermal conductivity and a heating protrusion 31 contacting the surface of the veneer 4 is protruded from the bottom surface of the heating block 30. The heating protrusion 31 transfers heat to the thermal adhesive sheet 3 through the veneer 4 so that the thermal adhesive sheet 3 is melted by thermal melting so that the veneer 4 and the release paper 2 are simultaneously adhered. At this time, the thermosetting sheet 3 is a thermoplastic, solid-state adhesive that adheres in a heated state or a molten state in the form of a film. Since the thermosetting sheet 3 is solidified immediately after cooling, the thermosetting sheet 3 is adhered in an extremely short time. The heating block 30 may include a temperature sensor for sensing temperature. The heating wire 32 is inserted into the insertion space formed inside the heating block 30. [ Further, a wiring cover plate 35 is provided on the front surface of the heating block 30. The cover plate 35 is a heating block 30 installed at a predetermined interval in the lifting frame 22 for wiring and wiring so that hot wire is installed.

The controller 40 controls the pneumatic pump 41 by the operation of the operation switch 42 to control the elevation of the air cylinder 20 and to supply power to the hot wire 32. When the temperature of the heating block 30 Keep it constant. The pneumatic pump 41 generates air for intake and exhaust in the air cylinder 20 under the control of the controller 40.

The operation of the veneer insulator according to the present invention thus constructed will be described with reference to Figs. 5 and 6. Fig.

First, the release paper 2 is placed on the table 10. The releasing paper 2 may be adhered to a back surface of the veneer 4 and may be detached and attached to the surface of the releasing paper 2. The surface of the releasing paper 2 may be coated with a material that is not coated or adhered thereto. The release paper 2 on which the thermal bonding sheet 3 is adhered to the back of the laminated wood 4 is for peeling the laminated wood 4 from the laminated wood 4 before bonding to the object or the object.

5A, the release sheet 2 is placed on the top plate 10a of the table 10, and then the thermal adhesive sheet 3 is placed on the release sheet 2. As shown in Fig. The heat-bonding sheet 3 is in the form of a solid sheet at room temperature, but when heated above a certain temperature, it is liquefied and becomes an adhesive. The releasing paper 2 and the heat-bonding sheet 3 are laminated in approximately the same width and length.

Next, in Fig. 5B, the laminated wood 4 is placed on the heat-bonding sheet 3. At this time, the vignetting 4 is in the form of a long strip in the longitudinal direction due to its manufacturing characteristics. Therefore, a plurality of vignettes 4 are tightly adhered to the heat-bonding sheet 3 with no gap therebetween so as to conform to the widthwise dimension of the heat-bonding sheet 3.

After the vignetting 4 is put on the heat-bonding sheet 3, the operator grips the vertical frame 16 or the guard frame 19 of the mounting apparatus 1 and places the vignetting 4 on the heat- So that the lifting frame 22 is positioned. At this time, the guide device 1 is transported while the guide block 14 installed below the vertical frame 16 slides along the rail 12. When the lifting frame 22 reaches the position where the veneer 4 is placed, the operation switch 42 is pushed.

5C, when the operation switch 42 is pressed, the controller 40 operates the pneumatic pump 41 to control the piston 21 of the air cylinder 20 fixed to the support frame 18 to descend. Accordingly, when the piston 21 of the air cylinder 20 descends, the lifting frame 22 descends and the heating block 30, which is fixed in a plurality of fixed intervals at the lower end of the lifting frame 22, Is brought into contact with the surface of the laminated wood (4). When the heating protrusion 31 is brought into contact with the surface of the veneer 4, the heat heated by the heating wire 32 inside the heating block 30 is transmitted to the veneer 4 through the heating protrusion 31, 3 are melted by the heat transmitted through the veneer 4 to adhere the veneer 4 and adhere the release paper 2. At this time, the veneer sheet 4 and the release paper 2 are melted and bonded to only the portion where the heating projection 31 contacts the veneer 4. The spring 34 of the support bar 33 having one side fixed to the heating block 30 while the lift frame 30 of the heating block 30 comes into contact with the veneer 4 And the elasticity of the spring 34 is transmitted to the veneer 4 to generate a pressing force. The time for the heating cylinder 31 of the heating block 30 to contact the veneer 4 is approximately 1 to 2 seconds and the heating temperature is approximately 140 Is also inside and outside.

The controller 40 outputs a control signal to the pneumatic pump 41 when the heating projection 31 comes into contact with the piston 21 of the air cylinder 20 for a certain period of time after the piston 21 of the air cylinder 20 descends, ). When the piston 21 of the air cylinder 20 rises, the lifting frame 22 also rises and returns to the home position.

5D and 5E, when the planting of the laminated wood 4 is completed from the inside of the table 10, the other laminated wood 4 is brought into contact with the side of the laminated wood 4 to which the laminated wood 4 is attached, And the mounting device 1 is pushed and placed on the placed upper part. Then the operation switch 42 is operated and the descending and ascending processes of the air cylinder 20, the lift frame 22 and the heating block 30 are repeated as described above under the control of the controller 40.

6, the release paper 2 is placed on the top plate 10a of the table 10 and placed on the thermal adhesive sheet 3 thereon. Then, a plurality of veneers 4 are formed according to the transverse length of the veneer 4, The heating block 30 fixed at the lower end of the lifting frame 22 at a fixed interval is formed with a pressurized and melted portion 31a which is in contact with the substantially central portion of the veneer 4 and pressurizes and heats and bonds the veneer 4 . The heating blade 31 of the heating block 30 simultaneously presses and heats the surface of the laminated wood 4 continuously contacting the one side of the laminated wood 4 and the laminated wood 4 placed on the heat- It is good to do. For example, the central portion of the first laminated wood 4 placed on the heat-bonding sheet 3 is pressed and heated by the heating protrusions 31 of the heating block 30, The edge of the central portion of the second veneer 4 and / or the edge portion in which the first veneer 4 and the second veneer 4 contact each other is brought in contact with the second veneer 4 at a time It is also preferable to pressurize and heat to bond. This makes it possible to prevent the first stripes 4 and the second stripes 4 from spreading or overlapping during the manufacturing process.

After the plurality of vignettes 4 have been bonded to the heat-bonding sheet 3, a post-treatment process such as connecting the bonded wide vignettes in the longitudinal direction is performed.

The elevating frame 22 having a plurality of air cylinders 20 and a plurality of heating blocks 30 coupled to the air cylinders 20 at predetermined intervals in the supporting frame 18 So that a plurality of stripes 4 can be bonded to the thermal adhesive sheet 3 at a time under the control of the controller 40.

According to this another embodiment, a plurality of the elevated frames 22 are fixed and fixed at intervals after the plurality of vignettes 4 are sequentially arranged on the heat-adhesive sheet 3 placed on the release paper 2 so as not to overlap or spread apart The air cylinders 20 are operated so that a plurality of vignettes 4 can be bonded to the thermal adhesive sheet 3 at a time, thereby saving time and cost in the manufacturing process.

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

The present invention relates to a fixing device and a fixing device for fixing the fixing frame to the fixing frame so as to fix the fixing frame to the fixing frame. The present invention relates to an air cylinder, and more particularly, it relates to an air cylinder, and more particularly,

Claims (4)

A rail 12 provided on a stationary frame 11 fixed to both sides of a table 10 for inserting the rear surface 4 of the veneer 4 using a thermal adhesive sheet 3;
A guide block (14) slid horizontally along each rail (12);
A pair of vertical frames 16 fixed to the lower portion of the fixed plate 15 coupled to the side surfaces of the guide block 14;
A horizontal frame 17 fixed between the upper ends of the vertical frames 16;
An air cylinder 20 provided at a lower end of a plurality of support frames 18 provided at predetermined intervals between the horizontal frames 17;
A lifting frame 22 fixed to the lower end of the piston 21 coupled to the air cylinder 20;
A heating block 30 fixedly coupled to the lower end of the lifting frame 22 by a plurality of support bars 33 and springs 34 at regular intervals;
A heating wire 32 inserted into the heating block 30;
A controller 40 for controlling the lifting and lowering of the air cylinder 20 by operating an operation switch 42 provided at one side of the vertical frame 16 and supplying power to the hot wire 32,
And a pneumatic pump (41) for generating air for intake and exhaust in the air cylinder (20) under the control of the controller (40).
The pattern inspecting apparatus according to claim 1, wherein a guard frame (19) is provided below the central side of the vertical frame (16) and below the horizontal frame (17).
2. The heating system according to claim 1, wherein a heating protrusion (31) protruding from the bottom surface of the heating block (30) and contacting the surface of the veneer (4) is formed and a temperature sensor for sensing temperature is formed in the heating block .
The veneer attachment device according to claim 1, wherein a covering plate (35) for wiring is provided on the front surface of the heating block (30).

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