KR100915538B1 - Apparatus for surface treating process of automobile interior materials - Google Patents

Abstract

A surface treatment processor for a car interior and exterior material is provided to print on the three-dimensional surface of a large product having the various bending and curved units by increasing the contact efficiency of a pad. A surface treatment processor for a car interior and exterior material comprises a pad supporting unit(11), an elastic member(110), and a pad. The pad supporting unit is moved up and down with drive units(12,13). The elastic member is combined in the bottom of the pad supporting unit. The inside surface of the elastic member is rounded. The elastic member uniformly spreads the ink to a substrate(114). A pressure damping unit(111) is formed at the pad. The pressure damping unit has a path hole(112). The path hole is connected with the outside and discharges the air to the outside.

Description

{Apparatus for surface treating process of automobile interior materials}

The present invention relates to a surface treatment process apparatus for automobile interior materials, and more particularly, the pad is smoothly deformed while maintaining a uniform pressurization of the transfer surface, thereby increasing contact efficiency due to pressure deformation, and thus having various curvatures such as automobile interior materials. The present invention relates to a surface treatment process apparatus for automobile interiors which improves the efficiency and economic efficiency of printing on a three-dimensional surface of a large product.

In general, the surface treatment process equipment for automotive interior materials refers to a device used for printing to give a high-quality color, texture, image, three-dimensional effect to a part or the entire surface of a large plastic molding, such as automotive interior materials with unspecified bends

In other words, as more and more consumers are pursuing individuality even in uniformly mass-produced cars, tuning the exterior or interior of a car is becoming popular, and technology for printing a unique image on the interior of a car has been developed according to this trend. will be.

Here, the automotive interior material refers to a plastic molded part having a three-dimensional surface, such as a bezel of a handle, a window switch panel of a door, a center fascia of a crash pad, and the like, as a component mounted inside an automobile.

On the other hand, the printing of plastic moldings, such as automotive interior material is used a cup-type or open-type pad printing apparatus that is divided into the ink supply method, the pad printing apparatus using a pad of the ink supplied on the corrosion plate of the product It is made of a transfer printing method which transfers and prints on a surface.

That is, the surface treatment process apparatus for the automotive interior material refers to the pad printing apparatus, and a jig provided to be mounted on the vehicle interior material at a lower side thereof, and a corrugation groove of a print image is formed in an engraved or embossed manner near the jig. A corroded plate, an ink supply device provided to supply ink to the corrugated grooves of the corroded plate, and horizontally moved oppositely to the jig and the upper side of the corroded plate so as to be movable. And a pad transferring ink to the surface of the product fixed to the jig. That is, printing is performed by the pad pressing the surface of the product from above.

In addition, it is natural that a driving device such as a cylinder or a motor driving unit, a cam, or the like and a control device such as a circuit are provided to control the driving device.

On the other hand, the pad is provided with an elastic body such as silicon so as to be in sufficient contact with the curved surface of the product, the surface is formed rounded, which is disclosed in Patent Registration No. 10-0881232 and the registration room 20-0212623.

That is, the patent 10-0881232 is characterized in that the pad has a round surface of a soft rubber or elastomer, the registration room 20-0212623 is characterized in that the pad is a hollow pad roller is supplied with gas or liquid therein .

However, the pad disclosed in Korean Patent Registration No. 10-0881232 has a hemispherical monolithic pad, and when the pad is pressed onto a subject having a lower three-dimensional surface, deformation due to pressing is limited due to the elastic limit of the pad itself. There was a problem that could not print enough.

Of course, if the deformation of the pad is made large enough to cover all three-dimensional surfaces of the subject, it is possible to increase the cost of manufacturing a pad for a large product having a relatively large three-dimensional surface, such as automotive interior materials There is a problem that follows.

In addition, if the three-dimensional surface of the car interior material, such as a large product is divided into the upper surface, side, and the like to partially print, there is a fear that the image does not fit with each other image distortion, there is a problem that increases the labor cost and the related costs.

On the other hand, the pad roller disclosed in the registration room 20-0212623 is made of a circular frame to accommodate the cross-sectional bending sufficiently, but the pad roller was unevenly pressed on the curved surface of the product there was a fear that the image is distorted or deteriorated.

In addition, to compensate for this, there is a problem in that it is configured to fill gas or liquid inside the pad roller, but it is not easy to fill the pad roller to have a suitable contact pressure with each product due to the characteristics of the fluid.

Moreover, there has been an economic burden due to the increased cost of having to separately provide a device for supplying the gas or liquid, and there is a problem that it is not easy to pass large parts such as automobile interior materials between rollers.

In order to solve the above problems, the pad is smoothly deformed while maintaining a uniform pressurization of the transfer surface, thereby increasing the contact efficiency due to the pressurization deformation, thereby printing on a three-dimensional surface of a large product having various bends such as automobile interior materials. It provides a surface treatment process equipment for automobile interior materials that improves the efficiency and economic efficiency of work.

The present invention is a pad support which is moved up and down by a drive device to solve the above problems; And an elastic body having a rounded inner thread so that ink is uniformly transferred to the subject to be pressed against the lower side by being coupled to the lower end of the pad support, wherein the contact is made to increase the contact with the three-dimensional surface of the subject therein. Provided is a surface treatment process apparatus for an automotive interior comprising a pad provided with a pressure buffer that is deformed according to pressure.

Here, the pressure buffer unit is provided with at least one or more corresponding to the three-dimensional surface of the subject, it is preferably provided at a position opposite to the convex portion of the three-dimensional surface. In addition, the pressure buffer portion is preferably formed with a passage hole communicating with the outside in any one or more of the upper surface and the side to discharge the air therein. Further, the pad is preferably provided with any one of the downward hemisphere and the polygon to contact the front surface of the three-dimensional surface of the subject projecting upward. In addition, it is preferable that a corroding plate having a corrugation groove filled with ink corresponding to a printed image transferred to the subject is provided near the pad.

The present invention provides the following effects through the above solution.

First, the surface treatment process apparatus for automobile interior materials according to the present invention, the pad is the bottom of the inner body of the elastic body and the hollow portion is provided with a pressure buffer of the hollow form, as the pressurized to the product by the inner chamber structure of the lower possible Since the contact area is increased by the deformation of the upper pressure buffer, it is possible to print on a large area with uniform printing quality.

Secondly, the pad according to the present invention is sufficiently up to the side of a large product having various bends, such as automobile interior material, in which a pad of the same size cannot be contacted by a pressure buffer that is deformed to increase the contact efficiency due to pressure deformation. Can print.

Third, the increase of the printing range enables the whole printing instead of the partial printing accompanied by the conventional image distortion, etc., thereby reducing the number of printings and the related expenses due to the manufacture of pads of relatively small size for large products. The efficiency and economics of print jobs can be significantly improved.

Fourth, the pressure shock absorbing portion is formed to correspond to the position opposite to the convex portion of the automobile interior material, thereby effectively alleviating the elastic repulsive force acting locally by the convex portion while maintaining the internal structure to ensure uniform contact, the contact efficiency of the pad This can be increased more effectively.

Fifth, the pressure buffer unit is provided with a passage hole through which the internal air is discharged to the outside or supplied when the air is restored, thereby enabling sufficient and rapid deformation of the pad, thereby making the printing job more smoothly. .

Sixth, the pad is provided with a rounded hemisphere or the like, the contact area of the pad is increased, the contact efficiency of the pad can be further improved.

1 is a side view showing a surface treatment process apparatus for a vehicle interior according to the present invention.

Figure 2 is a schematic diagram showing the operating principle of the surface treatment process apparatus for automobile interior according to the present invention.

3 is a perspective view showing a pad of the surface treatment process apparatus for an automotive interior according to the first embodiment of the present invention.

4 is a comparison diagram showing a difference in contact area between pads of a surface treatment process apparatus for automobile interior materials according to a first embodiment of the present invention and conventional pads having the same size.

5 is a cross-sectional view illustrating a pad of a surface treatment process apparatus for an automotive interior according to a second exemplary embodiment of the present invention.

6 is a cross-sectional view illustrating a pad of a surface treatment process apparatus for an automotive interior according to a third exemplary embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: surface treatment process apparatus for automobile interior material 10: main body

11: Pad support 12: Up and down drive

13: Reciprocating drive unit 14: Ink supply device

14a: ink cup 15: mounting plate

16: Jig 17: Jig Mount

110, 510, 610: pad 111, 511, 611: pressure buffer

112, 512, 612: passage hole 113: corroding plate

114, 514, 614: subjects

Hereinafter, with reference to the accompanying drawings will be described in detail a surface treatment process apparatus for a vehicle interior material according to a preferred embodiment of the present invention.

First, the operation principle and printing method of the surface treatment process apparatus for automobile interior according to a preferred embodiment of the present invention will be briefly described.

1 is a side view showing a surface treatment process apparatus for a vehicle interior material according to the present invention, Figure 2 is a schematic diagram showing the operating principle of the surface treatment process apparatus for a vehicle interior material according to the present invention.

Surface treatment process apparatus 100 for a vehicle interior according to the present invention refers to a general pad printing apparatus, characterized in that the pad of the pad printing apparatus has a pressure buffer which will be described later to increase the contact efficiency according to the pressure.

In addition, the pad printing apparatus shown in Figure 1 shows an example of a cup type (cup type), and since the features of the present invention in the pad 110, the surface treatment process apparatus for automobile interior material according to the present invention is the pad printing apparatus May be an open type or be applied to various other pad printing apparatuses.

1 and 2, the pad printing apparatus includes a main body 10, a pad 110, a corrosion plate 113, an ink supply device 14, and a driving device 12, 13.

In detail, the pad 110 is positioned above the jig 16 for fixing the automobile interior having the printing surface to be printed thereon, and transfers the ink of the corroded plate 113 to transfer the ink onto the printing surface. The surface consists of an elastic body of rounded inner chamber.

In addition, the corrosion plate 113 is installed on the mounting plate 15 of the side of the jig 16 so that the pad 110 is reciprocated together with the ink supply device 14 by the reciprocating drive unit (13). It is installed to be inking by moving up and down by the up and down driving unit 12.

Furthermore, the ink supply device 14 is installed in the main body 10 to be in close contact with the upper surface of the corrosion groove of the corroded plate 113 is reciprocated with the pad 110 and the ink cup 14a for supplying ink It is made, including.

In addition, the driving devices 12 and 13 are installed in the main body 10, and configured to enable reciprocating movement and shanghai movement of the pad 110, and the reciprocating driving unit 13 and the position movement of the pad 110 are performed. It is divided into the up and down driving part (12).

The reciprocating drive unit 13 and the up and down drive unit 12 controls the drive device such as a cylinder or motor drive unit, a cam, and the like to drive the pad 110 back and forth and move up and down. Naturally, a control device such as a hazard circuit is installed.

In addition, the jig mounting portion 17 is provided at the lower side of the jig 16 to be adjusted to be movable up and down while fixing the jig 16. Other components of the surface treatment process apparatus 100 for automobile interiors according to the present invention are the same as the conventional pad printing apparatus, and thus description thereof will be omitted.

Meanwhile, referring to FIG. 2A, the operation principle of the printing apparatus of the pad 110 is reversed when the power is supplied according to the switching control of the operator. Thereafter, the reversed pad 110 is moved downward to ink the ink filled in the corrosion groove of the corrosion plate 113.

Thereafter, referring to FIG. 2B, the pad 110 moves forward after moving upward. Thereafter, the pad 110 is moved downward to be in contact with the three-dimensional surface of the object 114 while being sufficiently pressed to transfer the ink.

Therefore, in accordance with the movement of the pad 110, the printed image is printed on the three-dimensional surface of the object 114, which is a plastic molded product such as an automobile interior material.

On the other hand, the method for printing the automotive interior material by the surface treatment process device 100 for the automotive interior material pre-treatment of the substrate 114, and manufacturing the pad 110 to match the shape of the pre-treated substrate 114. And forming a corroded plate 113 having a printed image corresponding to the manufactured pad 110, and printing a printed image of the manufactured corroded plate 113 by the pad 110. Transferring to 114 and coating a surface of the transferred member 114.

Furthermore, after the pretreatment, it is preferable to further include a step of forming a base on the surface of the pretreated target 114, and after the step formation step, the transfer step and the coating step, a drying step of drying the ink and the coating agent is performed. It is preferable to further include.

Here, the pre-treatment step is a degreasing operation to remove the moisture on the surface of the object 114, a plastic molding, such as automotive interior material, an etching operation to even the surface of the object 114, the static electricity on the surface of the object 114 Antistatic action is to prevent the occurrence.

In addition, the base material forming step may be a base coating to implement the surface texture and high-solid color of the metallic feeling primarily by the base coating (for example). That is, the step forming step is an additional process for realizing luxury colors, textures, images and three-dimensional appearance of the automotive interior material, the work process in this case is made of the step forming step, the surface printing step and the top coat forming step in order. desirable.

In addition, the pad 110 manufacturing step is the pad 110 is provided with an elastic body such as silicone, elastomer, soft rubber, etc., the inner back side of the elastic body, that is, the inner rear side opposite to the outer surface to be pressed contacted 114 At the position opposite to the protruding convex portion of the) is formed a pressure buffer 111 to serve as a buffer space in a hollow form to smooth the deformation of the elastic body.

In the manufacturing step of the corroded plate 113, the image is modified and edited to correspond to the shape of the conductor 114, and the image is printed by embossing or engraving the image by UV lamps on a synthetic resin plate and an iron plate coated with a photosensitive agent. Corrosion groove corresponding to this is formed.

In addition, in the transfer step, the printed image transferred from the corroded plate 113 to the pad 110 is heated or dried to prevent image distortion and sliding, and then made into a semi-filmed state, and then the titration of the subject 114 is performed. It is made to be transferred by press contact with a position.

In addition, the coating step is to coat with a coating material which does not cause trouble with the transferred ink to protect the transferred surface.

Here, the ink for producing the image is preferably UV curable ink, urethane ink, etc., the finishing paint used as the coating agent is preferably a urethane paint, UV curable paint (UV paint) and the like, the bottom coating is It is preferable to use urethane paint, acrylic paint, ultraviolet curable paint (UV paint) and the like.

On the other hand, Figure 3 is a perspective view showing a pad of the surface treatment process apparatus for a vehicle interior according to the first embodiment of the present invention.

1 and 3, the surface treatment process apparatus 100 for an automotive interior according to a preferred embodiment of the present invention includes a pad support 11 and a pad 110.

In detail, the pad support 11 is moved up and down by the driving devices 12 and 13. Here, since the up and down and the reciprocating movement of the pad support 11 by the drive device has been described above, description thereof will be omitted.

On the other hand, there is provided a pad 110 coupled to the lower end of the pad support 11, the pad 110 of the inner chamber round the surface so that the ink is uniformly transferred to the subject 114 to be pressed under contact with the lower side It is provided with an elastic body.

Here, the to-be-contained body 114 refers to a to-be-printed body such as a car interior material which is a plastic molded product. That is, the ink is transferred to the molded product by the difference in the surface properties of the pad 110 and the molded product.

In addition, the pad 110 is provided with an elastic body such as silicon. That is, the pad 110 is made to be contracted and relaxed by elasticity to enable printing on a three-dimensional surface having various bends such as automobile interior materials, that is, the largest area of the printing surface, by pressing according to the shanghaidong.

In addition, the pad 110 is provided with an elastic body having a rounded inner surface such that a uniform pressing force is applied to the subject 114 according to the contraction and relaxation, thereby uniformly transferring ink.

That is, the rounded surface, that is, the configuration of the transfer surface enables contact with the largest area possible, and enables uniform pressurization on the printing surface that is contacted in the inner structure of the state where the inside is full with a single elastic body.

Through this, since image distortion or deterioration due to the sliding due to uneven contact pressure is prevented, the print quality may be improved.

On the other hand, the pad 110 is provided with a pressure buffer 111 that is deformed in accordance with the contact pressure to increase the contact with the three-dimensional surface of the conductor 114 therein.

That is, the pad 110 has a constitution of a rounded inner surface for uniform contact pressure, and this constitution is limited by the elastic limit of the elastic body.

Therefore, since the pressing contact surface with the to-be-contained 114 has a limit, there was a problem that it could not be sufficiently printed to the side of the to-be-contained 114 having a three-dimensional surface.

The present invention is formed in a hollow shape on the inner top of the pad 110 to compensate for this point so that the contact to the side of the three-dimensional surface of the conductor 114 by the increase in deformation due to the shrinkage of the pad 110 A pressure buffer 111 that is deformed according to pressure is provided.

Therefore, the pressure shock absorbing part 111 sufficiently extends the contraction range that the pad 110 has while uniformly contacting the inner chamber with the uniform structure so that the uniform contact is sufficiently increased.

Through this, it is possible to print a relatively large area while maintaining high-quality printing, so that existing print jobs divided into upper and side surfaces can be performed as a single job, thereby reducing the number of times, time, and related costs. This significantly increases the efficiency and economic efficiency of the work.

On the other hand, the pressure buffer 111 is provided with at least one or more corresponding to the three-dimensional surface of the conductor 114, preferably provided in a position opposite to the convex portion (114a) of the three-dimensional surface.

Here, the convex portion 114a refers to a portion protruding from the interior of the vehicle 114, that is, a vehicle interior having a curved three-dimensional surface.

That is, the pressure buffer 111 is provided at a position opposite to the convex portion 114a where the pad 110 is pressed so as to be printed on the subject 114, and a pressing force is largely applied to the pad 110. It is to effectively alleviate the elastic repulsion of the so that the contact efficiency is further increased.

Of course, the pressure buffer 111 may be formed in a single hollow on the inside of the pad 110, regardless of the position and size of the block (114a).

However, this configuration is substantially the same as the edge shape of the pad 110 has a hollow so that the uniform pressure for high-quality printing on the printing surface of the subject 114 can not be made to face the position of the convex portion The pressure buffer 111 is partially formed in position.

On the other hand, the pressure buffer 111 is preferably formed with a passage hole 112 in communication with the outside in any one or more of the upper surface and side to discharge the air therein.

That is, the pressure shock absorbing part 111 is contracted and relaxed in parallel with the contraction and relaxation caused by the pressure of the pad 110, in which the air filled therein is configured to be discharged or supplied, the pressure shock absorbing part The 111 is sufficiently and quickly contracted and relaxed to more smoothly shrink and relax the pad 110.

Here, the pressure buffer 111 has a size corresponding to the size of the convex portion (114a), preferably made of a spherical shape so as to quickly restore.

That is, in order to quickly contract and relax the pressure shock absorbing part 111, the pressure shock absorbing part 111 has various sizes corresponding to the size of the convex part 114a, and is made of a sphere having a maximum surface tension for smooth restoration.

Of course, the pressure buffer 111 may have various sizes and shapes regardless of the convex portion 114a.

On the other hand, the pad 110 is preferably provided with any one of the downward hemispheres and polygons so as to contact the front surface of the three-dimensional surface of the subject 114 to protrude upward.

That is, the pad 110 is formed to have a rounded surface, which is in contact with the front surface of the three-dimensional surface of the subject 114, the hemispherical body or the contact to allow the largest area possible to enable a single printing operation It is made of a polygon corresponding to the shape of the conductor 114.

On the other hand, it is preferable that a corroding plate 113 having a corroded groove 113a corresponding to a printed image transferred to the subject 114 and filled with ink is provided near the pad 110.

Here, the corroded plate 113, as described above, the installation plate 15 so that the pad 110 is moved by the up and down drive unit 12 and the reciprocating drive unit 13 inking to the corroded plate 113. Of course, it is also installed on the upper side, it is also possible to be provided to reciprocate between the pad and jig consisting of only Shanghaidong. That is, since the corrosion plate 113 is configured together, the work efficiency may be further improved.

4 is a comparison diagram showing a difference in contact area between pads of a surface treatment process apparatus for automobile interior materials according to a first embodiment of the present invention and conventional pads having the same size.

As shown in Figure 4, Figure (a) is a conventional pad (1), Figure (b) is a pad 110 according to the present invention.

Comparing Figs. (A) and (b), when the pads have the same size, the conventional pads 1 may not be sufficiently in contact with the conductor 114 because shrinkage due to pressure is limited. The pad 110 is provided with a pressure buffer 111 to increase the shrinkage can be sufficiently in contact with the side of the conductor 114.

Therefore, the conventional pad 1 should be provided at a size close to twice the size of the conductor 114 in order to perform a single print job for high quality printing on a relatively large product such as an automobile interior material, and thus corrosion Due to limitations such as plate size increase and jig size increase, print quality due to image distortion or deterioration is inevitably deteriorated due to partial printing that is divided into upper and side surfaces.

On the other hand, the pad 110 according to the present invention is provided with a pressure buffer 111 to sufficiently increase the shrinkage of the pad 110 so as to sufficiently contact the secondary curved surface of a large part, such as automotive interior materials 1 for high quality printing Since it is possible to print a meeting, efficient printing can be performed according to the reduction of the number and time of printing, thereby reducing the overall expenses.

5 is a cross-sectional view illustrating a pad of a surface treatment process apparatus for an automotive interior according to a second exemplary embodiment of the present invention.

Here, Figure (a) shows before the pad 511 is pressed against the subject 514, Figure (b) shows that the pad 511 is pressed against the subject 514 for the transfer of the print image. .

Since the basic configuration of this embodiment is the same as that of the first embodiment described above, description thereof will be omitted.

A characteristic of the present embodiment is characterized in that a single pressure buffer 511 is formed to correspond to the shape of the conductor 514 made of a single block to increase the contact efficiency.

As shown in Figure 5, the pressure buffer 511 is provided with at least one or more corresponding to the three-dimensional surface of the subject 514, it is provided at a position opposite to the convex portion 514a of the three-dimensional surface. This is preferred.

That is, a pressure buffer 111 formed in a single hollow is provided at an inner upper portion of the pad 510 to contact the conductor 114 having a single block portion 514a.

In addition, the pressure buffer 511 is provided with a passage hole 112 in which the air inside communicates with the outside.

That is, the pad 510 according to the present invention can be simply implemented by forming a portion of the inside of the elastic body hollow in order to increase the contact efficiency due to the press and communicate with the outside.

Through this, it is possible to simply implement a configuration that enables a uniform contact compared to the existing non-uniformly contacted pad-shaped pad, and to provide a fluid such as gas or liquid to the inside to supplement the pad-shaped pad Since it is unnecessary, the device configuration can be made economically.

6 is a cross-sectional view illustrating a pad of a surface treatment process apparatus for an automotive interior according to a third exemplary embodiment of the present invention.

Here, Fig. (A) shows before the pad 611 is pressed against the subject 614, and Fig. (B) shows that the pad 611 is pressed against the subject 614 for transfer of the printed image. .

Since the basic configuration of this embodiment is the same as that of the first embodiment described above, description thereof will be omitted.

A characteristic of the present embodiment is that the pressure buffer 611 is provided to correspond to the number of the convex portions 614a in order to increase the contact efficiency of the pad 610 provided in the polygonal body to correspond to the automobile interior having a large area.

As shown in FIG. 6, the pad 610 is provided as a polygon, and a pressure buffer 611 corresponding to the position and number of the convex portion 614a is provided, and the pressure buffer 611 is respectively external. Is provided with a passage hole 112 in communication with.

Of course, the pressure buffer 611 may have a variety of sizes to correspond to the size of the convex portion.

As described above, the surface treatment process device 100 for an automotive interior according to the present invention is an inner upper side of the pad 110, that is, to compensate for the disadvantage of the pad made of an elastic body having the shape of a conventional hemispherical or polygonal body. The hollow buffer pressurizing portion 111 is formed on the rear side of the surface to be pressed to allow printing on a large area without blurring due to image distortion or rolling on a subject such as a vehicle interior having a secondary curved surface or a severe bend. It is characterized by.

Accordingly, in the surface treatment process apparatus 100 for automobile interior material according to the present invention, the pads 110, 510, and 610 are provided with the lower portion of the inner elastic body and the upper portion of the pressure buffers 111, 511, and 611 in hollow form. As the pressure is applied to the product, the contact area is increased by the deformation of the upper pressure buffer part while the contact is increased by the inner chamber structure of the lower part, so that the printing can be printed on a large area with uniform printing quality.

In addition, the pads 110, 510, and 610 according to the present invention were not able to contact the pads of the same size by the pressure buffers 111, 511, and 611 deformed to increase the contact efficiency due to the pressure deformation. It can print enough sides of large products with various bends such as automotive interiors.

In addition, the increase of the printing range enables the whole printing instead of the partial printing involving the conventional image distortion, etc., thereby reducing the number of printing and making pads 110, 510 and 610 of relatively small sizes to fit large products. The associated cost can be reduced, which can significantly improve the efficiency and economic efficiency of the print job.

In addition, the pressure buffers 111, 511, and 611 are formed to correspond to positions opposite to the protrusions 114a, 514a, and 614a of the vehicle interior, thereby maintaining the internal structure that ensures uniform contact. The effective contact of the pads 110, 510, 610 can be increased more effectively by effectively mitigating the elastic repulsive force acting locally by 514a, 614a.

In addition, the pressure buffer 111, 511, 611 is provided with passage holes (112, 512, 612) through which the internal air is discharged to the outside or the external air is supplied at the time of restoration, the pad (110, 510) , 610 may be sufficient and rapid deformation can be made to print more smoothly.

Furthermore, the pads 110, 510, 610 are provided with rounded hemispheres and the like, so that the contact area of the pads 110, 510, 610 is increased, thereby further improving the contact efficiency of the pads 110, 510, 610. Can be.

As described above, the surface treatment process apparatus 100 for an automotive interior according to a preferred embodiment of the present invention is not limited to the above-described embodiments, and the present invention belongs without departing from the scope of the claims of the present invention. Modifications can be made by those skilled in the art, and such modifications are within the scope of the present invention.

Claims (5)

A pad support part moved up and down by a drive device; And Is coupled to the lower end of the pad support portion is provided with an elastic body of a round inner chamber so that the ink is uniformly transferred to the subject to be pressed under contact with the lower side, Deformed in accordance with the contact pressure to increase the contact with the three-dimensional surface of the subject therein, the pressure buffer is provided with a passage hole which communicates with the outside in at least one of the top and side to discharge the air inside Surface treatment process apparatus for automobile interior comprising a pad. The method of claim 1, The pressure buffer unit is provided with at least one corresponding to the three-dimensional surface of the subject, the surface treatment process device for an automotive interior, characterized in that provided in a position opposite to the convex portion of the three-dimensional surface. delete The method of claim 1, The pad is a surface treatment process device for an automobile interior, characterized in that provided with any one of the hemispheres and polygons of the downward so as to contact the front surface of the three-dimensional surface of the subject projecting upward. The method of claim 1, An inner surface of the pad is a surface treatment process apparatus for an automotive interior, characterized in that the corrosion plate corresponding to the printed image to be transferred to the subject and has a corrosion groove filled with ink.