KR20200137176A - Ultrasonic bonder for automobile interior materials - Google Patents

Abstract

The present invention relates to an ultrasonic bonding machine for an automobile interior material to bond and cut an interior material used as a material for heat insulation, sound insulation, etc. in an automobile interior by an ultrasonic welding method. The present invention implements a new type of ultrasonic bonding machine bonding two layers of automobile interior material sheets using a bonding/cutting roller movable in the X-Y axis direction using motor driving force and an ultrasonic bonding machine. In addition to improving the efficiency of the bonding operation, such as being able to automatically perform the bonding operation of the interior material sheet, the bonding quality can be secured. The ultrasonic bonding machine for an automobile interior material can solve environmental pollution problems while having advantages in economic terms such as cost reduction by recycling expensive interior material sheets.

Description

Ultrasonic bonding machine for automotive interior materials{ULTRASONIC BONDER FOR AUTOMOBILE INTERIOR MATERIALS}

The present invention relates to a vehicle interior material ultrasonic bonding machine, and more particularly, to a vehicle interior material ultrasonic bonding machine for bonding and cutting an interior material used as a material for heat insulation, sound insulation, etc. in a vehicle interior using an ultrasonic welding method.

In general, an ultrasonic generator is composed of an oscillator, a vibrator, a booster, and a horn, and converts the electrical energy generated from the oscillator into mechanical vibration energy in the vibrator, and the horn drills the workpiece by using the vibration energy amplified by the booster. , These ultrasonic generators are used in various urethra.

Among them, a processing apparatus for bonding raw sheets using an ultrasonic generator includes an ultrasonic generator and a rotary roll mold, and a plurality of protrusions are formed at regular intervals along the circumferential direction on the outer peripheral surface of the rotary roll mold.

At this time, a fabric sheet is disposed under the rotary roll mold, and as the rotary roll mold is rotated, the protrusions on the outer circumferential surface come into contact with the fabric sheet at regular intervals.

In addition, the vibration energy generated through the ultrasonic generator is in contact with the protrusion to generate heat so that the fabric sheets to be bonded are bonded together.

On the other hand, automobile interior materials are materials used to finish or decorate the interior of automobiles, and are materials used for dashboards, ceilings, sheets, and floor mats. In addition, they are interposed between the ceiling and panels to prevent sound insulation and It is a functional material that acts as insulation.

As an example, soundproofing materials for automobiles are widely used to prevent vehicle noise from entering the interior so that passengers can have a feeling of comfort.

As another example, automotive insulation is used to increase the insulation performance of a headliner used as a ceiling interior material to reduce heat energy flowing through the ceiling of a vehicle and energy loss required for cooling and heating inside the vehicle. Used.

Usually, functional interior materials applied to automobiles are cut into sizes and shapes that meet design specifications, and then applied to the corresponding parts in the interior of the vehicle.

In addition, a significant amount of scrap generated in the process of cutting automobile interior materials is disposed of as it is by incineration or landfill.

However, in the case of automobile interior materials, the price is quite high, so there is a lot of economic burden due to the occurrence of scrap, and the environmental pollution problem related to the disposal of automobile interior materials is seriously raised. Is the trend that is being demanded.

Korean Patent Registration No. 10-0950602 Korean Patent Application Publication No. 10-2017-0122382 Korean Patent Application Publication No. 10-2013-0019691

Accordingly, the present invention was devised in view of the above points, and a new type of ultrasonic bonding machine that bonds two layers of automobile interior material sheets using a bonding/cutting roller and an ultrasonic bonding machine that can move in the XY axis direction using a motor driving force. By implementing the interior material sheet, it is possible to improve the efficiency of the bonding work, as well as secure the bonding quality, such as automatically performing the bonding operation of the interior material sheet, and in economic terms such as cost reduction by recycling the expensive interior material sheet. Its purpose is to provide an ultrasonic bonding machine for automobile interior materials that has advantages and can also solve environmental pollution problems.

In order to achieve the above object, the ultrasonic bonding machine for automobile interior materials provided by the present invention has the following characteristics.

The automotive interior ultrasonic bonding machine is supported by a bonding machine body having an upper working table and a lower base plate, a driving unit installed on the base plate of the bonding machine body to provide driving power, and a guide device installed on the base plate. A driving unit that reciprocates along the X-axis direction while receiving, a bonding/cutting roller that is installed on the head of the driving unit to bond and cut while pressing the interior material sheet, and a first up-down cylinder that lifts the bonding/cutting roller. , An upper guide roller that is installed on the head of the driving part in parallel with the bonding/cutting roller at a position in front of it to press the interior material sheet before bonding and cutting, and a second up-down cylinder that lifts and lowers the upper guide roller. , A lower guide roller that is located directly below the upper guide roller and is installed on the running part to mate with the upper guide roller and supports the interior material sheet, and is located directly under the bonding/cutting roller, It consists of a structure including an ultrasonic bonding machine installed on the interior material sheet to apply ultrasonic waves, and a roller driving unit installed on the traveling unit to provide rotational force to the bonding/cutting roller and the upper guide roller.

Here, the automotive interior material ultrasonic bonding machine further includes a clamping bar installed side by side along the X-axis direction on the work table of the bonding machine body to fix the end of the interior material sheet to which the ultrasonic bonding is performed, and a clamping cylinder that lifts the clamping bar. I can.

In addition, the driving unit includes a driving motor installed at the rear end of the base plate in the X-axis direction, a driving pulley mounted on the shaft of the driving motor, a driven pulley and a pulley bracket installed at the tip of the base plate in the X-axis direction, and the drive It may include a belt and a belt bracket that are installed between the pulley and the driven pulley and connected to the driving unit side.

In addition, the guide device may include a pair of guide bars installed in parallel along the X-axis direction of the base plate, and a pair of sliders that are respectively slide-coupled to the guide bar and installed on the bottom of the driving unit.

Particularly, the roller drive unit includes a driving motor having a driving pulley while being installed in the driving unit, a pair of first driven pulleys installed inside the rear end of the head unit, and a first belt installed between the driving pulley and the first driven pulley And, a pair of second driven pulleys installed inside the front end of the head, a pair of electric shafts installed in a horizontal position between the first driven pulley and the second driven pulley, and the second driven pulley and bonding/cutting roller And a pair of second belts installed between respective roller pulleys in the upper guide roller.

At this time, a universal joint coupling may be interposed between each shaft of the first driven pulley and the second driven pulley and both ends of the electric shaft.

In a preferred embodiment, the automotive interior material ultrasonic bonding machine is a means for adjusting the height of the ultrasonic bonding machine, the bonding machine frame installed on the bottom surface of the top plate of the driving unit in the driving unit, and supporting the ultrasonic bonding machine and being able to move up and down together. It may further include a height adjustment device consisting of a bonding machine bracket, a screw installed on the side of the bonding machine frame, and a nut installed on the side of the bonding machine bracket to operate the entire bonding machine base including the ultrasonic bonding machine up and down.

In a preferred embodiment, the bonding/cutting roller has a roller body having axes at both ends, and is formed in a coaxial structure with one end of the roller body while being in contact with one end of the roller body and protruding from both pressing portions and the pressing portion pressing the interior sheet. It may include a roller bonding/cutting body composed of a cutting part for cutting the interior material sheet, and a roller pulley which is formed in a coaxial structure with the other end of the roller body and is provided with power for rotating the roller.

The ultrasonic adhesive for automobile interior materials provided by the present invention has the following effects.

First, by providing a new ultrasonic bonding machine that automatically bonds two-ply automotive interior sheets using a bonding/cutting roller that can move in the XY axis direction and an ultrasonic bonding machine, bonding of the interior material sheets can be performed automatically. As well as improving the efficiency of work, there is an effect of securing the bonding quality of the car seat.

Second, there is an advantage in economic terms such as reducing the cost related to manufacturing automobile interior materials by collecting and recycling the pieces of expensive scrap that have been thrown away and recycling them as a finished product type interior material sheet. This has the effect of solving environmental pollution problems.

Third, when bonding the interior material sheet using a bonding/cutting roller moving in the XY axis direction and an ultrasonic bonding machine, bonding is performed while the interior material sheet is firmly fixed by clamping the two-ply interior material sheet, so that the interior material sheet may cry. In addition to improving productivity, such as reducing defects, there is an effect of manufacturing superior quality automobile interior materials, such as obtaining a neat bonding surface.

Fourth, by enabling the height of the ultrasonic bonding machine to be adjusted using a screw operation device, it is possible to bond various types of interior material sheets such as various materials and various thicknesses, thereby improving the functionality of the ultrasonic bonding machine and securing the versatility of the ultrasonic bonding machine. There is an effect.

1 is a perspective view showing an ultrasonic bonding machine for a vehicle interior according to an embodiment of the present invention
Figure 2 is a front view showing the ultrasonic bonding machine for automobile interior according to an embodiment of the present invention
3A and 3B are plan views showing an ultrasonic bonding machine for a vehicle interior according to an embodiment of the present invention
Figure 4 is a side view showing the ultrasonic bonding machine for automobile interior according to an embodiment of the present invention
5 and 6 are perspective views showing the configuration of a main part of the ultrasonic bonding machine for automobile interior material according to an embodiment of the present invention
Figure 7 is a schematic front view and a side view showing a state of use of the ultrasonic bonding machine for automobile interior according to an embodiment of the present invention

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

1 is a perspective view showing a vehicle interior ultrasonic bonding machine according to an embodiment of the present invention, Figures 2 to 4 are a front view, a plan view, and a side view showing a vehicle interior ultrasonic bonding machine according to an embodiment of the present invention, Figure 5 And FIG. 6 is a perspective view and a side view showing a configuration of a main part of the ultrasonic bonding machine for automobile interior according to an embodiment of the present invention.

As shown in Figs. 1 to 6, the automotive interior material ultrasonic bonding machine is a device that allows the interior material sheet of pieces discarded during cutting of the interior material of the vehicle to be spliced together and recycled by ultrasonic bonding, and is a sponge + poly flameproof fabric + hot melt. It is made in a structure that can perform the entire process, such as adhesion and cutting to a known interior material sheet made of a material through an automated process.

To this end, the automotive interior material ultrasonic bonding machine includes a bonding machine body 12 having an upper working table 10 and a lower base plate 11.

The bonding machine body 12 is a frame structure made of a square box-shaped frame, and a working table 10 on which an interior material sheet can be placed is installed on the top of the bonding machine body 12, as well as a driving unit 13 and a guide at the bottom. A base plate 11 on which the device 14 or the like can be installed is installed.

In addition, in the case of the work table 10, a part of the area is formed in an open shape, and the driving unit 15 can pass by using the open space at this time.

In addition, the automotive interior material ultrasonic bonding machine includes a driving unit 13 installed on the base plate 11 of the bonding machine body 12 to provide driving power.

The driving unit 13 serves to provide power for driving the driving unit 15 in the X-axis direction by using motor power and transmission of a pulley and a belt.

To this end, a drive motor 13a is installed at a rear end position in the X-axis direction on the base plate 11 of the adhesive body 12, and a drive pulley 13b is mounted on the shaft of the drive motor 13a at this time. .

In addition, a driven pulley 13c and a pulley bracket 13d are installed on the base plate 11 of the bonding machine body 12 at a position of the tip in the X-axis direction.

At this time, the driven pulley (13c) is installed in a freely rotatable structure on the pulley bracket (13d).

Between the drive pulley 13b and the driven pulley 13c on the shaft of the drive motor 13a installed in this way, a belt 13e arranged in parallel along the X-axis direction is connected.

In addition, the belt 13e is partially broken, and at this time, one of the broken portions is fixed by a belt bracket 13f at one end of the lower plate 30 of the running unit 15 and at the same time The other end is fixed by a belt bracket 13f at the other end of the lower plate 30 of the running unit 15.

Accordingly, when the driving motor 13a is operated, the driving unit 15 can reciprocate left and right along the X-axis direction by the electric action of the driving pulley 13b, the driven pulley 13c, and the belt 13e. There will be.

In addition, the automotive interior material ultrasonic bonding machine includes a traveling unit 15 that reciprocates along the X-axis direction while being supported by a guide device 14 installed on the base plate 11.

The driving unit 15 serves to move the bonding/cutting roller 17, the ultrasonic bonding machine 22, and the like along the adhesive portion of the interior sheet during ultrasonic bonding to the interior sheet.

To this end, the driving unit 15 includes a driving unit upper plate 26 and a driving unit lower plate 30, and a driving unit post 31 that is vertically erected between the driving unit upper plate 26 and the driving unit lower plate 30. Consisting of, and such a traveling unit 15 can be installed in a structure supported by the guide device 14 while being located inside the adhesive body 12.

At this time, the head unit 16 can be installed upward on the top plate 26 of the driving unit, and at the same time, the ultrasonic bonding machine 22, the driving motor 13a of the driving unit 13, the controller 39, etc. can be installed downward. You will be able to.

Here, the belt 13e of the driving part 13 is connected to the driving part lower plate 30 of the driving part 15, and the driving part lower plate 30 is pulled left and right by the movement of the connected belt 13e. In the end, the entire driving unit 15 can reciprocate along the X-axis direction.

That is, the driving unit 15 can be driven forward or backward along the X-axis direction, which is the left and right direction of the bonding machine body 12, by the power transmitted from the driving unit 13 side, and accordingly, the driving unit 15 ) In the head unit 16, the ultrasonic bonding machine 22, the drive motor 13a of the driving unit 13, the controller 39, etc., as a result, can reciprocate along the X-axis direction together with the driving unit 15. .

At this time, the controller 39 not only controls the operation of the driving unit 15 and the driving unit 13, but also controls the operation of the roller driving unit 23, the ultrasonic bonding machine 22, and cylinders. You can do it.

In addition, a guide device 14 is provided as a means for supporting and guiding the traveling part 15.

The guide device 14 serves to guide the driving unit 15 to accurately linearly travel in the X-axis direction.

To this end, the base plate 11 of the bonding machine body 12 is arranged side by side on both sides with the belt 13e of the driving unit 13 interposed therebetween, and at the same time, parallel to the X-axis direction of the base plate 11. A pair of guide bars 14a to be positioned are installed, and a pair of sliders 14b together with a bearing (not shown) are installed in a structure capable of being slidably connected to each guide bar 14a installed in this way. 14b) is installed on the bottom surface of the driving unit 15, that is, on the bottom surface of the driving unit lower plate 30 of the driving unit 15.

Accordingly, the driving unit 15 can accurately linearly travel in the X-axis direction while being guided by the guide bar 14a and the slider 14b.

In addition, the automotive interior material ultrasonic bonding machine is installed on the head unit 16 of the driving unit 15 to lift the bonding/cutting roller 17 and the bonding/cutting roller 17 for bonding and cutting while pressing the interior material sheet. It includes a first up-down cylinder 18 to allow.

The bonding/cutting roller 17 performs a role of pressing the interior material sheet on the ultrasonic bonding machine 22 from above and cutting it at the same time while moving upward and downward by the first up-down cylinder 18.

To this end, the head portion 16 installed on the top plate 26 of the driving portion 14, for example, the head portion 16 in the form of a box-shaped structure having a substantially "a" shape that is hollow. A first up-down cylinder 18 in a vertical position is installed at the top of the tip, and an integral pulley block 32 and a roller holder 33 are installed on the rod of the first up-down cylinder 18 installed in this way. The holder 33 is installed in a structure in which the bonding/cutting rollers 17 are supported at both ends.

Here, the pulley block 32 is a block that supports and accommodates the second driven pulley 23c of the roller driving part 23, and the roller holder 33 is a block having a substantially "C" shape and is bonded/cut thereto. Both ends of the roller 17 are supported, and the pulley block 32 and the roller holder 33 at this time are coupled to each other by a vertical bar 34.

Accordingly, when the first up-down cylinder 18 is lowered, the pulley block 32 including the bonding/cutting roller 17 and the entire roller holder 33 move downward along the Y-axis direction and at the same time joining While the cutting roller 17 can be brought into contact with the interior material sheet side, the pulley block 32 including the bonding/cutting roller 17 and the roller holder 33 as a whole when the first up-down cylinder 18 is raised As the scissors move upward, the bonding/cutting roller 17 can be separated from the interior material sheet side.

At this time, the pulley block 32 and the roller holder 33 move up and down accurately while being guided by a vertical bar 34 penetrating the head plate 35 formed at the lower end of the head portion 16 You can do it.

In particular, the bonding/cutting roller 17 is a means for substantially compressing and cutting the interior material sheet, and consists of an integral structure of a roller body 17b, a roller bonding/cutting body 17e, and a roller pulley 17f. You lose.

The roller body 17b is installed in a rotatable structure on the roller holder 33 using the shaft 17a at both ends, and the roller bonding/cutting body 17e is a pressing part 17c on both sides that presses the interior material sheet. ) And a cylindrical shape having a central cutting part 17d that protrudes from the pressing part 17c and cuts the interior material sheet, and is in contact with one end of the roller main body 17b and is coaxially coupled on the shaft 17a. , The roller pulley (17f) is in contact with the other end of the roller body (17b) and at the same time is coupled to form a coaxial on the shaft (17a).

The integral roller body 17b, the roller bonding/cutting body 17e, and the roller pulley 17f receive power from the second belt 23g connected to the roller pulley 17f so that they can be rotated together. do.

Accordingly, when ultrasonic waves are applied from the ultrasonic bonding machine 22 below while the roller bonding/cutting body 17e of the bonding/cutting roller 17 is pressing the upper surface of the interior material sheet, the roller bonding/cutting body 17e The two-ply interior material sheets pressed by the pressing portion 17c of) can be bonded to each other, and at the same time, the adhesive portion of the interior material sheet can be cut by the cutting part 17d having a sharp end.

In addition, the automotive interior material ultrasonic bonding machine is installed on the head part 16 of the driving part 15 in parallel with the bonding/cutting roller 17 at a position in front of the upper guide roller 19 to press the interior material sheet, and the It includes a second up-down cylinder 20 for lifting the upper guide roller 19.

The upper guide roller 19 moves up and down by the second up-down cylinder 20 and spreads it evenly while pressing so that the interior material sheet is not moved before bonding and cutting by the bonding/cutting roller 17. Will play a role.

To this end, a second up-down cylinder 20 in a vertical position next to one side of the first up-down cylinder 18 at an upper end of the front end of the head portion 16 installed on the top plate 26 of the driving portion 14 Is installed, and an integral pulley block 32 and a roller holder 33 are installed on the rod of the second up-down cylinder 20 installed in this way, and the upper guide roller 19 is at both ends of the roller holder 33 It is installed in a supported structure.

Here, the pulley block 32 is a block that accommodates and supports the second driven pulley 23c of the roller driving part 23, and the roller holder 33 is a block having an approximately "C" shape, and there is an upper guide roller Both axes of (19) are supported, and the pulley block 32 and the roller holder 33 at this time are coupled to each other by a vertical bar 34.

Accordingly, when the second up-down cylinder 20 is lowered, the pulley block 32 including the upper guide roller 19 and the entire roller holder 33 move downward along the Y-axis direction, and the upper guide While the roller 19 can be brought into contact with the interior material sheet side, the pulley block 32 including the upper guide roller 19 and the entire roller holder 33 move upward when the second up-down cylinder 20 is raised. At the same time, the upper guide roller 19 can be separated from the interior material sheet side.

At this time, the pulley block 32 and the roller holder 33 move up and down accurately while being guided by a vertical bar 34 penetrating the head plate 35 formed at the lower end of the head portion 16 You can do it.

In addition, the upper guide roller 19 is installed in a rotatable structure on the roller holder 33 using the axes of both ends, and the axis of the upper guide roller 19 installed in this way has one end of the upper guide roller 19 and A roller pulley (17f) that is in contact and coaxially coupled to the shaft is installed.

The upper guide roller 19 and the roller pulley 17f may be rotated together by receiving power from the second belt 23g connected to the roller pulley 17f.

Accordingly, since the upper guide roller 19 in a position in front of the bonding/cutting roller 17 rolls while pressing the upper surface of the interior material sheet, the interior material sheet at this time is in a straight state, and immediately bonded to this state. / Since the cutting roller 17 is adhered while pressing the upper surface of the interior material sheet, the adhesive portion of the interior material sheet can be adhered in a straightened state without crying or twisting.

In addition, the automotive interior material ultrasonic bonding machine is installed on the driving unit 15 while being positioned directly under the upper guide roller 19 to mate with the upper guide roller 19 and a lower guide roller ( 21).

The lower guide roller 21 is installed in a structure that is supported between the roller brackets 36 on both sides of the top plate 26 of the running unit 16 installed on the bottom of the top plate 26 of the running unit 16 using the axes of both ends, The lower guide roller 21 can be rotated freely as an idle roller.

At this time, a part of the rolling surface of the lower guide roller 21 is exposed upward through the open portion of the upper plate 26 of the driving unit so as to be able to contact the bottom surface of the interior material sheet.

Accordingly, the lower guide roller 21 is mated with the upper guide roller 19 on the upper side and presses the interior material sheet positioned therebetween, and thus the upper guide roller 19 and the interior material sheet are interposed therebetween. Since the lower guide roller 21 rolls along the upper and lower surfaces of the interior material sheet, the interior material sheet can be straightened and at the same time, the flow of the interior material sheet can be prevented. Eventually, the upper and lower guide rollers 19 and 20 Bonding and cutting quality can be secured, such as bonding and cutting of the interior material sheet performed immediately after passing can be performed in a stable state.

In addition, the automotive interior material ultrasonic bonding machine includes an ultrasonic bonding machine 22 as a means for applying ultrasonic waves to substantially bond (fusion) the interior material sheet.

Here, since the operating principle of the ultrasonic bonding machine 22 is the same as that of a known ultrasonic sewing machine that ultrasonically bonds fabrics, a detailed description thereof will be omitted.

Such an ultrasonic bonding machine 22 is installed in a structure supported by the height adjustment device 29 on the traveling part 15 while being positioned in a vertical position just below the bonding/cutting roller 17, and thus installed ultrasonic bonding machine ( The upper ultrasonic oscillation unit of 22) is exposed upward through the pierced portion of the upper plate 26 of the driving unit, so that it can contact the bottom surface of the interior material sheet.

For example, an adhesive frame 27 in the form of a square box with an open front is installed on the bottom of the upper plate 26 of the driving part 15, and the upper and lower sides of the adhesive frame 27 installed in this way At the same time, the adhesive base 28 in the form of a square plate that can be moved in position is installed, and the ultrasonic bonding device 22 is installed on the adhesive base 28 at this time.

In addition, nuts (29b) of the height adjustment device (29) are respectively installed at four corners of the adhesive base (28), and the upper and lower ends between the lower plate of the adhesive frame (29) and the upper plate of the running part (26) The four screws 29a of the height adjustment device 29 which are screwed to each nut 29b are installed while being supported.

Accordingly, when the screw (29a) of the height adjustment device (29) is rotated, the entire ultrasonic bonding machine (22) including the bonding machine base (28) can be moved up and down by screw transmission with the nut (29b). As a result, the height of the ultrasonic bonding machine 22 can be adjusted.

In this way, since the height of the ultrasonic bonding machine 22 can be variably adjusted using the height adjustment device 29, various types of interior material sheets having various materials, various thicknesses, etc. can be contacted, thus improving the functionality of the ultrasonic bonding machine. At the same time, it is possible to secure the versatility of the ultrasonic bonding machine.

In addition, the automotive interior material ultrasonic bonding machine includes a roller driving unit 23 that is installed on the driving unit 15 to provide rotational force to the bonding/cutting roller 17 and the upper guide roller 19.

The roller drive unit 23 serves to provide power for rotation of the bonding/cutting roller 17 and the upper guide roller 19 by using motor power and pulley and belt transmission.

To this end, a motor bracket 37 is installed on the bottom surface of the driving part top plate 26 of the driving part 15, and a driving part motor 23b in a horizontal position is installed in the motor bracket 37 installed in this way. A drive pulley (23a) is mounted on the shaft of the drive unit motor (23b).

In addition, a pair of first driven pulleys 23c are installed inside the rear end of the head unit 16, and at the same time, a pair of second driven pulleys 23e are disposed to face one-to-one with the first driven pulley 23c inside the front end. ) Is installed.

At this time, both end axes of the first driven pulley 23c are supported on the vertical wall constituting the head unit 16 through bearings (not shown), and both ends of the second driven pulley 23c are supported by the head unit 16 It is supported on the pulley block 32 on the inner side of the tip of the bearing (not shown), and accordingly, the first driven pulley 23c and the second driven pulley 23e can freely rotate around both ends of the shaft. In particular, the second driven pulley 23e can be slightly moved up and down together with the pulley block 32.

In addition, a pair of electric shafts 23f parallel to each other are installed between one shaft of the first driven pulley 23c and the second driven pulley 23e facing each other, and accordingly, the second driven pulley 23c And the second driven pulley (23e) can be rotated together with the electric shaft (23f).

Here, a universal joint coupling (23h) is interposed between each shaft of the first driven pulley (23c) and the second driven pulley (23e) and both ends of the electric shaft (23f), that is, the first driven pulley (23c) And each shaft of the second driven pulley (23e) and both ends of the transmission shaft (23f) are connected by a universal joint coupling (23h). Accordingly, when the second driven pulley (23e) is moved up and down, the universal joint coupling ( 23h) is able to transmit power while being slightly bent.

On the other hand, a first belt (23d) and a pair of second belts (23g) are provided as means for power transmission of the driving motor (23b), and the first belt (23d) is driven in the driving motor (23b) In addition to being connected and installed between the pulley (23a) and the first driven pulley (23c), the second belt (23d) is, respectively, in the second driven pulley (23e) and the bonding/cutting roller (17) and the upper guide roller (19). It is installed connected between the roller pulley (17f).

Here, the first belt (23d) may be installed in a form that simultaneously spans a pair of first driven pulleys (23c), and an idler (not shown) for maintaining tension at one side of the trajectory of the first belt (23d) at this time. It is desirable to install ).

Therefore, when the drive motor 23b of the roller drive unit 23 is operated, the motor power is the drive pulley 23a → the first belt 23d → the first driven pulley 23c → the electric shaft 23f → As the two driven pulley (23e) → second belt (23g) → roller pulley (17f) is transferred in the order, the bonding/cutting roller 17 and the upper guide roller 19 can be rotated.

In addition, the automotive interior material ultrasonic bonding machine includes a clamping bar 24 and a clamping cylinder 25 as a means for fixing the interior material sheet during bonding and cutting of the interior material sheet.

The clamping bar 24 and the clamping cylinder 25 firmly hold one portion of the interior material sheet to be bonded and cut, that is, a portion immediately adjacent to the bonding and cutting area of the interior material sheet.

To this end, cylinder brackets 38 are respectively installed on the left and right sides of the working table 10 of the bonding machine body 12, and clamping cylinders 25 in a vertical position are installed on each cylinder bracket 38 installed in this way.

Further, the clamping bars 24 are horizontally arranged in parallel along the X-axis direction, and in this state, both ends of the clamping bars 24 are coupled to the rods of each clamping cylinder 25.

Accordingly, when the clamping cylinder 25 is operated, the clamping bar 24 moves downward, and can continuously press the interior material sheet placed between the working table 10.

That is, the interior material sheet can be fixed in a state that is tightly sandwiched between the lower surface of the clamping bar 24 and the upper surface of the work table 10.

In this way, since the bonding and cutting operation is performed while the entire bonding and cutting area is pressed by the clamping bar 24, the bonding area of the interior material sheet can be joined in a straightened state without crying. The bonding quality can be improved.

Accordingly, a process of bonding and cutting a two-ply interior sheet using an ultrasonic automotive interior material adhesive machine configured as described above will be described as follows.

7 is a schematic front view and a side view showing a state of use of the ultrasonic bonding machine for automobile interior according to an embodiment of the present invention.

As shown in Fig. 7, an operator works with two interior sheet (100a, 100b), that is, two interior sheet (100a, 100b) coated with an adhesive component such as hot melt on the back side of each other. After placing it on the table 10, the edge portion of the interior material sheets 100a, 100b, that is, the portion to be bonded to the edge, passes under the clamping bar 24, and between the bonding/cutting roller 17 and the ultrasonic bonding machine 22 Placed in

In this state, when the operator turns ON the controller 39 or a switch (not shown) on one side of the bonding machine body 12, the lowering operation of the clamping bar 24 by the operation of the clamping cylinder 25 The edge portions of the interior material sheets 100a and 100b are fixed.

In this state, when the first up-down cylinder 18 and the second up-down cylinder 20 are operated, the bonding/cutting roller 17 and the upper guide roller 20 are lowered and the upper surfaces of the interior material sheets 100a and 100b When is pressed and the driving motor 13a and the roller driving unit 23 of the driving unit 13 continue to operate, the bonding/cutting roller 17 and the upper guide roller 20 rotate and the driving unit 15 ) Starts driving forward along the X-axis direction.

At the same time, the ultrasonic bonding machine 22 starts to operate, and as a result, the portion where the bonding/cutting roller 17 has passed can be fused and cut at the same time while the ultrasonic wave of the ultrasonic bonding machine 22 is applied.

In this way, while the driving unit 15 passes through the entire width (length) section of the interior sheet (100a, 100b), the bonding and cutting work continues, and the entire width (length) section of the interior sheet (100a, 100b) is When the bonding and cutting work is completed, the running unit 15 returns to the initial position, and after the unclamping operation of the clamping bar 24, the interior material sheets 100a and 100b adhered are taken out. All 1 cycle for cutting operation is completed.

Although the preferred embodiment of the present invention has been described above, the present invention can use various changes, modifications, and equivalents.

It is clear that the present invention can be applied equally by appropriately modifying the above embodiments.

Therefore, the above description is not intended to limit the scope of the present invention defined by the limits of the following claims.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but it will be apparent to those of ordinary skill in the art that various modifications can be made without departing from the scope of the present invention.

10: working table
11: base plate
12: adhesive machine body
13: drive unit
13a: drive motor 13b: drive pulley
13c: driven pulley 13d: pulley bracket
13e: belt 13f: belt bracket
14: guide device
14a: guide bar 14b: slider
15: driving part
16: head
17: bonding/cutting roller
17a: shaft 17b: roller body
17c: pressing part 17d: cutting part
17e: roller bonding/cutting body 17f: roller pulley
18: first up-down cylinder
19: upper guide roller
20: second up-down cylinder
21: lower guide roller
22: ultrasonic bonding machine
23: roller drive unit
23a: drive pulley 23b: drive motor
23c: first driven pulley 23d: first belt
23e: second driven pulley 23f: electric shaft
23g: second belt 23h: universal joint coupling
24: clamping bar
25: clamping cylinder
26: upper plate of the driving part
27: bonding machine frame
28: adhesive base
29: height adjustment device
29a: screw 29b: nut
30: lower plate of driving part
31: driving part post
32: pulley block
33: roller holder
34: bar
35: head plate
36: roller bracket
37: motor bracket
38: cylinder bracket
39: controller

Claims (8)

A bonding machine body 12 having an upper working table 10 and a lower base plate 11;
A driving unit 13 installed on the base plate 11 of the adhesive body 12 to provide driving power;
A traveling unit 15 reciprocating along the X-axis direction while being supported by a guide device 14 installed on the base plate 11;
A bonding/cutting roller 17 installed on the head 16 of the driving unit 15 to bond and cut while pressing the interior material sheet, and a first up-down cylinder for lifting the bonding/cutting roller 17 ( 18);
The upper guide roller 19 and the upper guide roller 19 installed on the head 16 of the driving unit 15 in parallel with the bonding/cutting roller 17 at the front position to press the interior sheet before bonding and cutting A second up-down cylinder 20 for raising and lowering the upper guide roller 19;
A lower guide roller 21 which is positioned directly below the upper guide roller 19 and is installed on the running part 15 to mate with the upper guide roller 19 and support the interior material sheet;
An ultrasonic bonding machine (22) installed on the traveling part (15) while being positioned directly under the bonding/cutting roller (17) to apply ultrasonic waves to the interior material sheet;
A roller driving unit 23 installed on the driving unit 15 to provide rotational force to the bonding/cutting roller 17 and the upper guide roller 19;
Automobile interior material ultrasonic bonding machine comprising a.
The method according to claim 1,
The clamping bar 24 and the clamping bar 24 are installed side by side along the X-axis direction on the working table 10 of the bonding machine body 12 to fix the end of the interior sheet for ultrasonic bonding Ultrasonic bonding machine for automobile interior, characterized in that it further comprises a clamping cylinder (25).
The method according to claim 1,
The driving unit 13 includes a driving motor 13a installed at a rear end of the base plate 11 in the X-axis direction, a driving pulley 13b mounted on the shaft of the driving motor 13a, and the base plate 11 A belt 13e installed between the driven pulley 13c and the pulley bracket 13d installed at the front end in the X-axis direction of the drive pulley 13b and the driven pulley 13c and connected to the driving unit 15 side ) And a belt bracket (13f).
The method according to claim 1,
The guide device 14 includes a pair of guide bars 14a that are installed side by side along the X-axis direction of the base plate 11, and are respectively slide-coupled to the guide bar 14a, and the bottom surface of the driving unit 15 Automobile interior material ultrasonic bonding machine, characterized in that it comprises a pair of sliders (14b) installed on.
The method according to claim 1,
The roller drive unit 23 includes a driving motor 23b having a driving pulley 23a while being installed on the driving unit 15, and a pair of first driven pulleys 23c installed inside the rear end of the head unit 16 And, a first belt (23d) installed between the driving pulley (23a) and the first driven pulley (23c), and a pair of second driven pulleys (23e) installed inside the distal end of the head (16), A pair of electric shafts (23f) installed in a horizontal position between the first driven pulley (23c) and the second driven pulley (23e), the second driven pulley (23e) and the joining/cutting roller (17) and upper part An ultrasonic bonding machine for automobile interior, comprising a pair of second belts (23g) installed between each roller pulley (17f) in the guide roller (19).
The method of claim 5,
A universal joint coupling (23h) is interposed between each shaft of the first driven pulley (23c) and the second driven pulley (23e) and both ends of the electric shaft (23f).
The method according to claim 1,
As a means for adjusting the height of the ultrasonic bonding machine 22, while supporting the bonding machine frame 27 installed on the bottom of the top plate 26 of the running portion 15 and the ultrasonic bonding machine 22 Along with this, it includes an ultrasonic bonding machine 22 consisting of a movable adhesive base 28, a screw 29a installed on the side of the bonding machine frame 27, and a nut 29b installed on the side of the bonding machine base 28 An ultrasonic bonding machine for automobile interior, characterized in that it further comprises a height adjustment device (29) for operating the whole of the adhesive base (28) up and down.
The method according to claim 1,
The bonding/cutting roller 17 is formed in a coaxial structure with a roller body 17b having a shaft 17a at both ends and one end of the roller body 17b, and pressing both sides to press the interior material sheet. A roller bonding/cutting body (17e) consisting of a cutting part (17d) protruding from the part (17c) and the pressing part (17c) to cut the interior material sheet, and the other end of the roller body (17b) An ultrasonic bonding machine for automobile interiors, characterized in that it comprises a roller pulley (17f) that is formed in a coaxial structure and receives power for rotating the roller.

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