KR20100016664A - Vertical type cleaning apparatus - Google Patents

Abstract

PURPOSE: A vertical type automatic cleaner is provided to improve cleaning efficiency by removing a contamination material of a fine particle by applying a spray method using ultrahigh frequency. CONSTITUTION: An upper fixing bracket(102) and a lower fixing bracket(103) are arranged in left and right sides of a base(101). A bearing unit(121) is coupled with the upper fixing bracket. A drive shaft(131) is coupled with a drive sprocket(133). A chain(135) is coupled with a idle sprocket(134) combined on the drive sprocket and the lower fixing bracket. A support shaft(136) is combined with the chain. A rail shaft(141) is arranged on the support shaft. A loading unit(150) arranges a screen mask(1) on the rail shaft. A cleaning unit(160) sprays the water and the air processed with the ultrahigh frequency.

Description

Vertical type automatic cleaning device {VERTICAL TYPE CLEANING APPARATUS}

The present invention relates to an apparatus used for automatic cleaning such as a screen mask, and more particularly, to improve cleaning efficiency by using a one-step process and ultra-high frequency treatment, as well as to remove product defects. The present invention relates to a vertical type automatic cleaning device which enables to reduce the processing time.

In general, screen masks are used for pattern printing, and are applied to information display industries such as PDP, LCD, EL, and FED, and electronic component industries such as PCB, semiconductors, MLCC, and the like. Pattern printing is possible regardless of all materials, and it is applied to a variety of products from household goods such as signboards, stationery, cosmetic cases, and commercial parts such as electric / electronic parts, liquid crystal displays, and mobile phones.

The screen mask has a structure in which a mesh is fixed to the base frame by an adhesive treatment, and a pattern is printed by applying a printing ink onto a substrate through the mesh portion of the screen mask, before printing the pattern. In order to clean the screen, the screen mask is cleaned to remove various foreign substances such as contaminants.

Automatic cleaning equipment is generally used for the cleaning of such screen masks. In the conventional automatic cleaning equipment of screen masks, the screen mask is cleaned in a horizontal state because the cleaning liquid is accumulated on the surface of the screen mask. Residual surface residues had a problem of re-contaminating the screen mask rather.

In addition, the technique of dipping (dipping) the screen mask into the cleaning solution has a problem of causing a product defect of the screen mask, such as weakening or easily falling off the mesh bonding portion of the screen mask.

Furthermore, in the prior art, since the cleaning process cannot be carried out to very fine particles, the cleaning efficiency is reduced, and the screen mask is moved step by step, and the cleaning operation is completed by a multi-step and multi-step process. There was a problem.

On the other hand, the existing conventional cleaning equipment is limited to the pre-treatment work for removing the surface foreign matter of the screen mask, there was a problem that additional development equipment should be additionally installed to perform post-exposure development work for pattern printing.

The present invention has been made in order to solve the above-mentioned conventional problems, to improve the cleaning efficiency by using a one-step process and ultra-high frequency treatment, as well as to reduce the processing time, vertical type The purpose of this invention is to provide a vertical type automatic cleaning device that can improve the problem that surface residues remain or the screen mask is recontaminated by the cleaning liquid, and to eliminate the defects of the screen mask that occurred during the cleaning process. There is this.

In addition, the present invention is to provide a vertical type automatic cleaning device that can contribute to increase the cleaning efficiency of the screen mask to clean the printed image and to improve the print quality.

Furthermore, the present invention provides a vertical type automatic cleaning device which can be usefully used not only for pretreatment cleaning but also for post-exposure development.

The present invention is located on the upper and lower side in the base and the upper fixing bracket and the lower fixing bracket is fixedly mounted, and the support holder is fixed vertically installed through the upper fixing bracket and the lower fixing bracket fixed to the upper and lower corresponding positions, the support holder above Arranging the span support in the up and down side and connecting to the sliding bush disposed on the support holder; A drive shaft is horizontally arranged in a bearing unit fastened to the upper fixing bracket to be coupled to a bearing, and connected to a drive motor. A driving sprocket is coupled to the drive shaft, and the driving sprocket is coupled to an idle sprocket coupled to the lower fixing bracket. Are coupled to each other, the support shaft being vertically connected to form a part of the chain, the both ends of which are arranged to penetrate the span support, and are mutually coupled by nut fastening; Horizontally arranging the rail shafts vertically on the support shafts, and connecting the jig bushes disposed on the support shafts, and installing loading means for loading and fixing the screen masks on each rail shaft; It is installed to inject water and air toward the screen mask in the base, characterized in that it comprises a cleaning means for performing the ultra-high frequency treatment of water in parallel.

At this time, the cleaning means comprises a line nozzle connected to the ultra-high frequency oscillator to eject the ultra-high frequency water to one side of the screen mask and to increase the acceleration of the ejection of water particles and to supply water from the water supply tank; A plurality of water nozzles installed to spray water to both sides of the screen mask and receiving water from the water supply tank; It is installed to supply air to both sides of the screen mask, characterized in that consisting of a plurality of air nozzles supplied with air from the compressor.

In addition, the water supply tank is characterized in that a temperature sensor is installed and a heater is built in to control and maintain the water temperature.

According to the present invention, the cleaning operation is completed by one-step process and the spraying of water using ultra-high frequency can remove even the very fine particle contaminants, thereby improving the cleaning efficiency and reducing the processing time, and printing by improving the cleaning efficiency. Clean images and increase print quality.

The present invention can improve the problem that the surface residue remains or the screen mask is recontaminated by the cleaning liquid in a vertical structure, and since the cleaning liquid flows naturally and sprays only to the part requiring the actual cleaning, the adhesive part of the screen mask is dropped. The failure can be prevented from occurring.

In addition, the present invention can be usefully used not only for pretreatment cleaning but also for post-exposure development.

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

1 to 7, the vertical automatic cleaning device according to an embodiment of the present invention is provided with a base 101, and positioned on the upper and lower sides in the base 101, respectively, the upper fixing bracket 102 and the lower fixing bracket 103 is fixedly mounted, and the caster 104 is mounted on the lower side of the base 101 to facilitate movement of the device.

In this case, the upper fixing bracket 102 and the lower fixing bracket 103 are respectively spaced apart from the left and right sides of the base 101.

Using the upper fixing bracket 102 and the lower fixing bracket 103 fixed to the upper and lower corresponding positions, the support holder 111, such as a rod, is installed vertically in the base 101 to be fixed and installed, respectively. Function as).

At this time, between the support holder 111 and the support holder 111, which has a paired structure and functions as a support shaft, the span support 112 is disposed up and down in a horizontal structure, and is inserted and disposed on the support holder 111. Both ends are connected to the sliding bush 113 so as to be slidably moved upward and downward on the support holder 111.

Here, the span support 112 and the sliding bush 113 will be preferably formed integrally.

A bearing unit 121 is fastened to the upper fixing bracket 102 and the drive shaft 131 is coupled to the bearing unit 121 by bearing to be horizontally disposed, and is rotatably disposed, and is horizontally disposed above the base 101. The drive shaft 131 disposed is configured to receive a rotational power from the drive motor 132 by coupling the drive motor 132 to one side end.

The drive sprocket 133 is coupled to the drive shaft 131, and the chain 135 is coupled to the idle sprocket 134 coupled to the drive sprocket 133 and the lower fixing bracket 103.

The support shaft 136 is vertically coupled to the chain 135 to form a part of the chain 135, and the support shaft 136 has both ends thereof penetrating the span support 112. Arranged and configured to be coupled to each other by fastening the nut 105 to enable the position movement in the vertical direction together with the support shaft 136 when the chain 135 is driven.

Rail shafts 141 are horizontally disposed between the support shafts 136 and the support shafts 136, respectively, and are connected to the jig bushes 142 arranged to be slidable on the support shafts 136. On each of the rail shafts 141 disposed on the upper and lower sides, loading means 150 for loading and fixing the screen mask 1 on the apparatus is fixed to the left and right sides and disposed on all sides.

At this time, the loading means 150 can adjust the left and right spacing by moving the left and right in the slide shaft on the rail shaft 141 and the vertical space can be adjusted by moving the rail shaft 141 up and down on the support shaft. The loading block 151 is coupled to the rail shaft 141 so as to be slidable and has a seating support groove 151a formed thereon to support the corner portion of the screen mask 1 at the bottom thereof, and the loading block 151. It is fixedly coupled to) is composed of a toggle clamp 152 for stably supporting the screen mask (1) located in the seating support groove (151a) of the loading block (151).

Here, the toggle clamp 152 is composed of a link portion 152a including a lever and a support bolt 152b coupled to the link portion 152a.

In the base 101, the cleaning efficiency of the screen mask 1 may be improved by separately installing the washing water and the drying air toward the screen mask 1 so as to selectively or simultaneously spray the washing water and the drying air. The cleaning means 160 is installed to enable the cleaning to be performed in a one-step process in the base 101.

The washing means 160 is connected to the ultra-high frequency oscillator 164 to eject the ultra-high frequency water to one side of the screen mask 1 and to increase the acceleration of the ejection of water particles, and receives water from the water supply tank 165. Line nozzles 161 and the plurality of water nozzles 162 and the screen mask 1 are installed to spray water to both sides of the screen mask 1 and receive water from the water supply tank 165. It is installed to supply air to both sides and is composed of a plurality of air nozzles 163 to receive air from the compressor 166a.

At this time, the line nozzle 161, the water nozzle 162 and the air nozzle 163 is preferably installed to have a tilt (tilt) downward in order to flow the injection efficiency and water in the downward direction, the screen mask ( It is preferable to install water or air only to the actual printing application part (the actual part of the mesh) of 1), and the line nozzle 161 faces the printing surface on which the emulsion of the screen mask 1 is applied for printing. It is preferable to install so that.

Here, the line nozzle 161 is provided with a water tank 161b connected to the water supply tank 165, and the nozzle unit 161a and the ultra-high frequency oscillator 164 are connected to both sides of the water tank 161b to connect the water tank ( The ultra-high frequency water in the 161a is configured to be jetted through the line nozzle 161a.

Water for supplying to the line nozzle 161 and the water nozzle 162 is made by the operation of the pump 106, the control box 107 for the overall operation control and operation mode setting of the washing apparatus is the base ( 101).

The air supply line temporarily removes water or contaminants in the air through the air dryer 166b having a built-in filter and compresses the air generated by the compressor 166a to the air tank 166c to control the static pressure during air supply. The filter is filtered again through the air filter 166d and then sent to the air nozzle 163 to be sprayed.

In addition, although not shown in the water supply tank 165, a temperature sensor is installed and a heater is built so as to maintain a range of 25 ~ 30 ℃ for the water temperature of the water to be stored, and the configuration of this water temperature control is the cleaning of the screen mask This work is of course intended to be useful for post-exposure development work of the screen mask through this apparatus, and to prevent water from freezing in winter and making cleaning difficult.

In other words, the exposure and development work using the screen mask requires a processing temperature of 25 ~ 30 ℃ as an optimal condition, if the temperature exceeds 30 ℃, the treated emulsion is peeled off the printing surface of the screen mask to remove unnecessary parts If a problem is generated and the temperature is less than 25 ° C., a problem occurs in which the phenomenon itself is not achieved.

On the other hand, the water tank 171 is provided in the lower portion of the base 101 in which the line nozzle 161, the water nozzle 162 and the air nozzle 163 of the cleaning means 160 is installed, thereby cleaning and The water used in the development is to be drained or recycled for use.

At this time, it is preferable to configure the recycled water to be used after the filtration process.

Referring to the operation of the vertical type automatic cleaning device according to the present invention having such a configuration as follows.

First, the screen mask 1 is loaded and fixedly placed on the apparatus by using the loading means 150, but the printing surface of the screen mask 1 coated with the photosensitive emulsion is applied to the line nozzle 161 of the cleaning means 160. Facing away

At this time, by operating the toggle clamp 152 in a state in which the corner portion of the screen mask 1 is seated and supported in the seating support groove 151a of the loading block 151 disposed on all sides through the support bolt 152b. By pressing the front of the screen mask 1 to be supported, the screen mask 1 is stably placed on the device.

Here, the loading means 150 for the fixed arrangement of the screen mask 1 is mounted so as to move the position on the rail shaft 141 it is possible to adjust the left and right intervals, the rail shaft 141 connected to the jig bush 142 It is possible to adjust the vertical space by moving the position in the vertical direction), and by this position adjustment structure it is possible to apply the screen mask 1 on the device regardless of the specification.

When the fixed arrangement of the screen mask 1 on the device is completed, the drive motor 132 is operated and the rotational power is transmitted to the drive shaft 131 according to the forward and reverse rotation of the drive motor 132, which is a caterpillar. The chain 135 is guided and driven by the sprockets 133 and 134, and the support shaft 136, which forms part of the chain 135, descends downward when the drive motor 132 rotates forward, and is coupled to the span. The support 112 is also lowered at the same time by riding the support holder 111 by the combination with the sliding bush 113, the support shaft 136 is elevated in the upward direction when the drive motor 132 is rotated upward and span support ( 112 also rises at the same time riding the support holder (111).

Here, the screen mask 1 fixedly disposed on the loading means 150 during the cleaning operation time input on the apparatus continues to perform the lowering operation and the raising operation repeatedly, and although not described in detail, the lowering operation and Ascending operation is switched.

The cleaning means 160 is operated while the lowering and raising operations of the screen mask 1 are repeatedly performed, and the cleaning water treated with the ultra high frequency to the actual print processing portion (mesh portion) of the screen mask 1 and Cleaning and drying operations or development and drying operations are performed by spraying clean water and air for drying, and are selectively controlled in the operation mode set in the control box 107.

At this time, in the case of performing the winter or developing work, the water temperature of the water supply tank 165 can be adjusted and maintained at 25 to 30 ° C, more preferably at 26 to 28 ° C.

Here, the operation mode is a control mode of the optimal condition for the screen mask 1 to be cleaned to increase the cleaning efficiency according to the application, which is distinguished for PDP or precision plate making, so that a clean image can be printed without afterimages. , Processing mode for precision plate making, processing mode for general plate making, developing mode and the like.

For example, the processing mode for the PDP is to operate the line nozzle 161 in the first operation under the control of the control box 107 to spray the ultra-high frequency water to the surface of the screen mask 1 to be elevated to very fine particles. It can be cleaned, and the water nozzle 162 is operated in the second operation to clean the normal water, and the air nozzle 163 is operated in the third operation to dry the air together with the cleaning by spraying the air. To be controlled.

In this case, the line nozzle 161 receives water from the water supply tank 165 to fill the water tank 161b, and the ultra-high frequency oscillated from the ultra-high frequency oscillator 164 connected to the water tank 161b is filled in the water tank 161b. It affects the water to form bubbles by the cavitation phenomenon and to provide acceleration to the water particles, and to spray the water having the acceleration force and bubbles formed through the nozzle portion 161a to the surface of the screen mask (1) do.

As a result, the ultra-high frequency treated water that hits the surface of the screen mask 1 effectively removes foreign substances such as contaminants buried in the screen mask 1 as the bubbles explode, and has an accelerating force, and thus the processing time required for cleaning. It has the usefulness to reduce. In addition, even small particles can be removed without damaging the screen mask 1.

Furthermore, the air nozzle 163 removes moisture or contaminants in the air through the air dryer 166b having a built-in filter, and temporarily stores the air filter 166c in the air tank 166c to control the static pressure during air supply. 166d) is supplied and sprayed through the filtered air again, so that cleaning and drying operations can be performed cleanly without fear of recontamination.

1 is a front sectional view showing a vertical type automatic cleaning device according to the present invention.

Figure 2 is a side cross-sectional view showing a vertical type automatic cleaning device according to the present invention.

Figure 3 is a cross-sectional view showing a vertical type automatic cleaning device according to the present invention.

Figure 4 is a front sectional view of the main portion showing a detailed configuration of the cleaning means in the present invention.

Fig. 5 is a sectional side view showing the main portion showing the detailed configuration of the cleaning means in the present invention.

Fig. 6 is a sectional plan view of the main portion showing the detailed configuration of the cleaning means in the present invention.

Figure 7 is a block diagram showing for explaining the air supply system in the present invention.

Explanation of symbols on the main parts of the drawings

101: base 102: upper fixing bracket

103: lower fixing bracket 107: control box

111: support holder 112: span support

113: sliding bush 121: bearing unit

131: drive shaft 132: drive motor

133,134 sprocket 135: chain

136: support shaft 141: rail shaft

142: jig bush 151: loading block

152: toggle clamp 161: line nozzle

162: water nozzle 163: air nozzle

164: ultra-high frequency oscillator 165: water supply tank

Claims (6)

The upper and lower fixing brackets are fixedly mounted on the upper and lower sides of the base, and the support holders are vertically fixed through the upper and lower fixing brackets fixed at the upper and lower corresponding positions, and the span support is supported on the support holders. Arranging the upper and lower sides but connected to the sliding bush disposed on the support holder to be slidably movable on the support holder; A drive shaft is horizontally arranged in a bearing unit fastened to the upper fixing bracket to be coupled to a bearing, and connected to a drive motor. A driving sprocket is coupled to the drive shaft, and the driving sprocket is coupled to an idle sprocket coupled to the lower fixing bracket. Are coupled to each other, the support shaft being vertically connected to form a part of the chain, the both ends of which are arranged to penetrate the span support, and are mutually coupled by nut fastening; Horizontally arranging the rail shafts vertically on the support shafts, and connecting the jig bushes disposed on the support shafts, and installing loading means for loading and fixing the screen masks on each rail shaft; Vertical type automatic cleaning device, characterized in that it comprises a washing means installed to spray water and air toward the screen mask in the base in parallel to the ultra-high frequency treatment of water. The method of claim 1, The cleaning means includes a line nozzle connected to an ultra-high frequency oscillator for ejecting ultra-high frequency water to one side of the screen mask and increasing the acceleration of ejection of water particles, and receiving water from the water supply tank; A plurality of water nozzles installed to spray water to both sides of the screen mask and receiving water from the water supply tank; Vertical type automatic cleaning device, characterized in that it is installed to supply air to both sides of the screen mask and consists of a plurality of air nozzles to receive air from the compressor. 3. The method of claim 2, The line nozzle is provided with a water tank connected to the water supply tank, the line nozzle portion and the ultra-high frequency oscillator are connected to both sides of the water bottle, so that the ultra-high frequency water is sprayed by the ultra-high frequency oscillator in the water bottle through the line nozzle Vertical type automatic cleaning device, characterized in that the configuration. 3. The method of claim 2, The compressed air produced by the compressor removes moisture or contaminants in the air through a built-in air dryer, temporarily stores the air in an air tank for adjusting the static pressure when supplying air, and filters the air again through the air filter. Vertical type automatic cleaning device, characterized in that configured to send the nozzle to blow air. 3. The method of claim 2, The water supply tank is a vertical type automatic cleaning device, characterized in that the installation of a temperature sensor and built-in heater to be used for post-exposure development work as well as cleaning work using a screen mask. The method of claim 1, The loading means includes a loading block coupled to the rail shaft so as to be slidably movable and having a seating support groove formed thereon to seat and support a corner portion of the screen mask; A vertical type automatic cleaning device, comprising: a toggle clamp fixedly coupled to the loading block and configured to stably support a screen mask positioned in the seating support groove of the loading block.

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