KR101817958B1 - Apparatus for removing particle for guide roller - Google Patents

Apparatus for removing particle for guide roller Download PDF

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Publication number
KR101817958B1
KR101817958B1 KR1020150052567A KR20150052567A KR101817958B1 KR 101817958 B1 KR101817958 B1 KR 101817958B1 KR 1020150052567 A KR1020150052567 A KR 1020150052567A KR 20150052567 A KR20150052567 A KR 20150052567A KR 101817958 B1 KR101817958 B1 KR 101817958B1
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KR
South Korea
Prior art keywords
suction
roller
cover
frame
knife
Prior art date
Application number
KR1020150052567A
Other languages
Korean (ko)
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KR20160122537A (en
Inventor
김동욱
이동칠
Original Assignee
주식회사 디투에이스
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Priority to KR1020150052567A priority Critical patent/KR101817958B1/en
Publication of KR20160122537A publication Critical patent/KR20160122537A/en
Application granted granted Critical
Publication of KR101817958B1 publication Critical patent/KR101817958B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools, brushes, or analogous members
    • B08B1/001—Cleaning by methods involving the use of tools, brushes, or analogous members characterised by the type of cleaning tool
    • B08B1/005—Scrapers

Abstract

The present invention relates to a foreign material removing device for a roller, comprising: a frame coupled to the film transfer device so as to be disposed in parallel with the roller in a space between the surface of the roller and the film; A knife fixed to an upper portion of the front surface of the frame and extending vertically toward the roller; A suction housing portion coupled to the frame to form a suction space portion in front of the knife, the suction housing portion having an upper portion opened; And a plurality of piping connection holes penetratingly connected to the frame so as to penetrate through the suction space part and each coupled to a suction pipe for receiving a suction force of the pump, wherein the knife is hermetically close to the surface of the roller , Or a non-contact gap smaller than the size of the micro-sized foreign object.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a roller-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a foreign matter removal device for a roller, and more particularly, to a foreign matter removal device for a roller, a film or sheet for a display panel such as a TV, a monitor, a PC, a notebook, And more particularly, to a foreign matter removal device for a roller.

In general, the film production apparatus can be installed in a clean area such as an optical production facility, a semiconductor manufacturing factory, a sanitary ware manufacturing facility, etc., and continuously produces a sheet product having a thickness thin enough to meet a fine (e.g. micrometer) .

In the manufacturing process of such a film producing apparatus, a raw material extruder, a plurality of rollers (e.g., a moving roller, a guide roller), a winder, a rewinder, a tension adjusting device, Is installed.

Particularly, in the film manufacturing apparatus, there may be fine particles on the surface of the roller directly contacting with the surface of the film even if it is a clean area, and if such fine particles adhere to the film being produced, There has been a demand for a technology for managing the surface of the roller so as not to adhere to the surface of the roller for quality control of the manufactured product.

The foreign matter removing device of the backup roller of the roller calibrator of Patent Document 1 which is the background of the invention is for removing the foreign matter generated in the back-up roll, but is formed bifurcated so as to remove surface foreign matter having a considerable size as compared with the size of the roller And an upper removal body having an inclination angle toward an outer side toward the lower side.

However, the foreign matter removing device of the backup roll in Patent Document 1 has a means for separating micro-sized fine foreign matters from the surface, a means for sucking and removing the separated fine foreign matters surface to the outside, There is no antistatic means for preventing the electrostatic discharge.

Further, since the top removal device of Patent Document 1 is composed only of the body itself, there is no frame for maintaining the self-rigidity while maintaining the micro clearance, or a device structure for mounting the above means, It is difficult to apply the present invention to a high precision film production apparatus.

As another background art of the invention, Patent Document 2 discloses a belt conveyor which is a processing object having a foreign substance in a rotating state and rotates at a speed lower than the moving speed of the belt, It is responsible for removing foreign matter.

However, Patent Document 2 has a disadvantage in that the surface of the object to be treated can be damaged because the foreign substance removing means itself rotates.

That is, the prior art device for removing surface foreign substances such as Patent Document 1 or Patent Document 2 has no means for removing micro-sized fine particles and handling the perfect collection, It is urgently required to develop a device that can be applied to a roller that is capable of inducing low cost and high productivity.

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Korean Patent Publication No. 10-2011-0120530 (2011.11.04) Patent Registration No. 10-1378039 (Apr. 19, 2014)

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a microfibre- It is possible to remove the static electricity which can be generated by any one of friction, contact, peeling, collision, deformation and ion adsorption between the surface of the roller and the knife, Which is capable of preventing foreign matters from being adhered to the roller.

It is an object of the present invention to provide a foreign material removal device for a roller that removes foreign matter adhering to the surface of a roller for a film transfer device, wherein the film transfer device is provided so as to be parallel to the roller in a space between the surface of the roller and the film, A frame coupled to the apparatus; A knife fixed to an upper portion of the front surface of the frame and extending vertically toward the roller; A suction housing portion coupled to the frame to form a suction space portion in front of the knife, the suction housing portion having an upper portion opened; And a plurality of piping connection holes penetratingly connected to the frame so as to penetrate through the suction space part and each coupled to a suction pipe for receiving a suction force of the pump, wherein the knife is hermetically close to the surface of the roller , Or a non-contact gap smaller than the micro-sized foreign matter size is maintained.

According to the present invention, the suction housing part is integrally formed at the lower part of the cover disposed above the front wall of the suction housing part and at the lower part of the cover, and is bent obliquely to form a suction port smaller in size than the suction space part Wherein the suction cover extends in the longitudinal direction of the suction housing part.

According to the present invention, the suction housing portion further includes a cover fixing portion for closely fitting the lower portion of the suction cover to the upper portion of the front wall of the suction housing portion, And is coupled to the suction housing part with a plurality of bolts in a state in which the bottom of the cover of the suction cover is covered.

Further, according to the present invention, the cover fixing portion further includes a stepped groove portion corresponding to the thickness of the lower portion of the cover of the suction cover.

Further, according to the present invention, the frame includes a smooth front surface providing a mounting surface with respect to the knife or the suction housing part; An inclined upper surface inclined not to interfere with the rotation of the roller at an upper portion of the front surface; A back surface extending downwardly of the inclined upper surface and parallel to the front surface; And a back surface protrusion formed in an integral triangular ring cross-sectional shape below the back surface and extending along the longitudinal direction of the frame.

In addition, according to the present invention, the suction housing part includes a pair of side wall parts coupled to both side ends of the frame by a plurality of bolts; A bottom portion disposed between the side wall portions and coupled to a lower front portion of the frame by a plurality of bolts; And a front wall coupled to the side wall portion and the bottom portion with a plurality of bolts to cover the side wall portion and the front face of the bottom portion.

According to the present invention, the suction housing portion further includes a ground portion, and the ground portion includes a first ground line connected between the knife and the suction housing portion, and a second ground line extending from the suction housing portion contact point of the first ground line to an external ground And an extended second ground line.

According to the present invention, there is provided a film removing device for a roller, which is provided in a film transfer device for rotatably supporting a roller, comprising: a frame supported on a film transfer device and arranged in parallel with a roller; It is possible to remove fine particles adhering to the surface of the roller at the time of film production by providing a knife which is in airtight proximity to the surface of the roller or in a contactless manner which is smaller than the size of a foreign substance of micro size, And high productivity can be achieved.

In the present invention, fine foreign matter separated by a knife is sucked through the suction housing part and then collected toward an external foreign matter treatment facility (for example, a pump, a dust collector), thereby preventing the separated minute foreign matter from reattaching to the surface of the roller And it is possible to maximize the efficiency of removing foreign substances and the production efficiency of products.

The present invention can increase the suction performance by attaching a suction cover to the periphery of the suction port of the suction housing part.

According to the present invention, the suction cover can be firmly coupled to the suction housing part while reducing the vibration of the suction cover during the suction process by tightly fixing the suction cover to the suction housing part by the cover fixing part.

The present invention provides an aluminum profile shaped frame that can secure both ends to a bracket of a film transfer apparatus, so that the structural rigidity of the knife can be reinforced and only the knife requiring maintenance or repair can be removed and replaced from the frame There is an economical advantage that the maintenance of the apparatus is very easy and the maintenance cost is relatively advantageous compared with the replacement of the entire apparatus.

In particular, the present invention provides a grounding part, which is capable of coping with the generation of static electricity. In particular, the first grounding line of the grounding part is connected between the knife and the suction housing part, and the second grounding line extends from the suction housing part contact point of the first grounding line to the external ground There is an advantage that the static electricity can be completely removed from the knife and the suction housing as a whole.

The present invention provides a plurality of piping connection ports that are coupled to a frame and pass through a suction space portion of a suction housing portion, wherein piping connection ports are arranged at regular intervals along the longitudinal direction of the suction housing portion, and one pump per two piping connection ports So that a uniform and strong suction force is generated throughout the entire suction housing part, and thus it is possible to perform more efficient and perfect suction of fine foreign substances.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a use state of a foreign material removing device for a roller according to an embodiment of the present invention; FIG.
Fig. 2 is a front view of the foreign material removing device for a roller shown in Fig. 1. Fig.
3 is an enlarged view of circle A shown in Fig.
FIG. 4 is an exploded perspective view of the foreign material removing device for a roller shown in FIG. 1. FIG.
5 is an exploded perspective view of the foreign material removing device for a roller shown in Fig.
6 is a cross-sectional view of line BB shown in Fig.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a foreign substance removing apparatus for a roller according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a use state of a foreign material removing device for a roller according to an embodiment of the present invention.

Referring to Fig. 1, the apparatus for removing foreign matter for a roller according to the present embodiment may hereinafter be referred to briefly as apparatus Q.

The apparatus Q of this embodiment is constructed in a module form and can be mounted or maintained in accordance with the standard of the roller.

For example, in the present embodiment, the configuration of the apparatus Q may be described based on a film transfer apparatus (not shown) on which the roller 1 of the existing film production facility is mounted, but the present invention is not limited thereto.

In other words, a bracket and a fastening bolt (not shown) may be further provided between both ends of the film transfer device (not shown) and the apparatus Q of the present embodiment.

At this time, the bracket and the fastening bolt may be fastening means for fastening the apparatus Q of this embodiment to the roller support frame of the film transfer apparatus.

That is, the operator can tighten or loosen the fastening bolts to install or remove the apparatus Q of the present embodiment in the roller support frame of the film transfer apparatus.

The apparatus Q of the present embodiment has a length corresponding to the length of the roller 1 or a length longer than the length of the roller 1. [

At this time, since the apparatus Q of this embodiment is arranged and fixed in parallel with the roller 1 in the space between the roller 1 and the film 2, when the roller 1 is rotated, (Hereinafter, referred to as " foreign matter ") adhering to the surface of the roller 1 by performing a function as a catching jaw of the foreign matter.

Fig. 2 is a front view of the foreign material removing device for a roller shown in Fig. 1, and Fig. 3 is an enlarged view of a circle A shown in Fig.

2 and 3, the apparatus Q of the present embodiment includes a frame 100, a knife 200, a suction housing unit 300, a plurality of pipe connection ports 400, a suction cover 500, A speaker 600, and a grounding unit 700.

The frame 100 is a profile member made of aluminum or duralumin. The frame 100 has a length corresponding to the length or size of the roller, and can be easily manufactured and installed according to the characteristics of the lightweight material.

Such a frame 100 may be disposed parallel to the roller in a space between the surface of the roller and the film.

Such a frame 100 serves as a supporting base for firmly supporting the knife 200, but also serves as an installation base for components such as the suction housing part 300 and the like to be described later.

That is, due to its shape and structural characteristics, the frame 100 can be installed in a narrow space such as between the surface of the roller and the film so as not to interfere with the roller or the film, Structure.

The knife 200 corresponds to any one of a blade, a blade, and a plate member having a sharp slope or an edge formed on the top thereof. The knife 200 can prevent abrasion and corrosion caused by removal of foreign substances, A coating layer is further formed on the outer surface of the metal knife.

The knife 200 is fixed to the upper surface of the frame 100 and extends vertically toward the roller.

In addition, the knife 200 extends parallel to the rollers in the same manner as the frame 100.

The length of the knife 200 or the frame 100 can be set to a size corresponding to the size of the roller to be used.

The suction housing part 300 is coupled to the frame 100 so as to form a suction space part on the front surface of the knife 200. The upper part of the suction housing part 300 is open and the front side,

The suction housing part 300 provides a suction space inside the suction housing part 300 such as a kind of sound pressure forming space and is provided with a suction space part 300 on the side where the foreign matter separated by the knife 200 falls, And the upper part of the suction housing part 300 corresponding to the side where the foreign matter falls down is opened.

The piping connection port 400 is connected to the frame 100 through the suction space part of the suction housing part 300 and is connected to the frame 100 in the front direction from the back side of the frame 100, (Not shown) that receives the suction force of the suction pipe (not shown). Here, the pump may be a vacuum pump.

The piping connection port 400 can be prevented from interfering with the roller, and can be connected to the suction pipe without the suction pipe being close to the roller.

The o-ring 410 (o-ring) (see Fig. 6) is provided in the pipe connection port 400 and the airtightness between the piping connection hole formed in the frame 100 and the pipe connection port 400 is maintained .

As shown in FIG. 2, the piping connection ports 400 are arranged at regular intervals along the longitudinal direction of the frame 100 or the suction housing part 300, and connected to one pump per two piping connection ports 400. In this case, when a large-capacity vacuum pump is used, the vacuum pump may be connected to a manifold, and a plurality of suction pipes may be connected between the manifold and the pipe connection port 400.

For example, one pump is provided with two branched suction pipes, and each suction pipe is coupled to the pipe connection port 400 in a one-touch fitting manner. Here, a pipe coupler for one-touch fitting is provided below the pipe connection port 400.

Since the plurality of piping connection ports 400 are coupled to the frame 100 and the suction ports of the piping contact holes 400 are disposed at equal intervals in the suction space portion of the suction housing portion 300, 300) to uniformly and strongly generate a suction force.

The suction force of the suction housing part 300 sucks the foreign matter separated from the air outside the suction housing part 300 or around the knife 200 and the surrounding air to the suction space part of the suction housing part 300 The piping contact 400, and the suction pipe to the dust collector (not shown).

FIG. 4 is an exploded perspective view of the foreign substance removing device for a roller shown in FIG. 1, and FIG. 5 is an assembled perspective view of the foreign substance removing device for a roller shown in FIG.

4 and 5, the suction housing part 300 includes a pair of side wall parts 310 coupled to both ends of the frame 100 by a plurality of bolts, and a pair of side wall parts 310, A bottom portion 320 disposed between the side wall portions 310 and coupled to a lower front portion of the frame 100 by a plurality of bolts and a plurality of bolts 322 covering the front surfaces of the side wall portions 310 and the bottom portion 320, And a front wall 330 coupled to the side wall portion 310 and the bottom portion 320.

The gap between the end side surface of the bottom portion 320 and the side surface of the side wall portion 310 may be filled with any one of silicone, sealant, and sealing adhesive, so that the gap can be kept airtight.

The user or the maintenance manager can easily clean only the front wall 330 by removing only the suction space part E (see FIG. 6) of the suction housing part 300 for cleaning.

6 is a cross-sectional view taken along the line B-B shown in Fig.

4 or 6, the frame 100 includes a knife 200 or a smooth front surface 110 that provides a mounting surface for the suction housing portion.

Here, the knife 200 is detachably installed using a plurality of bolts and bolt holes on the front surface 110 of the frame 100.

At this time, the knife 200 is supported by the frame 100 having an aluminum profile shape or a shape described in detail below, so that the structural rigidity of the knife 200 can be reinforced. At this time, only the knife 200 requiring maintenance or repair can be separated and replaced from the frame 100. Therefore, not only the apparatus maintenance of the present embodiment is very easy, but the present embodiment can require only a relatively advantageous and economical apparatus maintenance cost as compared with replacing the entire apparatus.

The frame 100 also includes a sloped top surface 120 that is inclined not to interfere with the rotation of the roller 1 at the top of its front surface 110 and a bottom surface 120 extending downwardly from the top surface 120 And a rear surface protrusion 140 formed in an integral triangular ring cross-sectional shape below the back surface 130 and extending along the longitudinal direction of the frame 100. [

The back surface protrusion 140 may be an integral reinforcing structure that can reduce the weight of the back surface and increase the structural strength.

The back surface protrusion 140 may further include a plurality of connection port seating grooves 141 formed along the longitudinal direction of the back surface protrusion 140 at intervals equal to the arrangement intervals of the piping connection ports 400. The frame 100 corresponding to the back surface of the connection port seating groove 141 is formed with a connection port screw hole 111 to which the connection port 400 is screwed.

3 to 5, the suction housing unit 300 further includes a suction cover 500, a cover fixing unit 600, and a grounding unit 600.

4 and 5, the suction cover 500 includes a cover lower part 510 disposed on the front wall 330 of the suction housing part 300, and a cover lower part 510 integrally formed on the cover lower part 510 And has a cover upper portion 530 that is bent obliquely to form a suction port 520 of a size (e.g., width) smaller than the suction space portion E.

Here, the cover upper portion 530 is bent in a width direction of the suction space portion E and is inclined.

The suction cover 500 extends in the longitudinal direction of the suction housing part 300 so that a uniform suction force can be applied to the suction port 520 over the entire area of the roller, So that the flow rate can be increased.

In addition, due to the limitation of the shape and the engagement position of the suction cover 500, air and foreign substances in the area where the foreign matter is separated fall down are intensively sucked, so that the suction performance is relatively increased .

In addition, since the foreign matter separated from the roller where the foreign matter is removed is not moved to the other peripheral rollers but is guided by the suction cover 500 and flows into the suction housing part 300, There is also an effect of preventing secondary contamination due to foreign matter removal on the rollers.

The cover fixing part 600 functions to closely adhere the cover lower part 510 of the suction cover 500 to the upper part of the front wall 330 of the suction housing part 300.

The cover fixing part 600 extends in the longitudinal direction of the suction cover 500 and is coupled to the suction housing part 300 with a plurality of bolts while covering the cover lower part 510 of the suction cover 500 have.

That is, the cover fixing part 600 is fastened to the front wall 330 of the suction housing part 300 by the bolts fastened to the bolt holes provided in the upper part of the front wall 330 of the suction housing part 300, Respectively.

The cover fixing part 600 can absorb and reduce the vibration of the suction cover 500 that can be generated according to the suction force in the process of sucking in air or foreign matter while firmly attaching the suction cover 500 to the suction housing part 300 And reinforces the structural strength of the suction cover 500.

In particular, the cover fixing part 600 includes a stepped groove part 610 corresponding to the thickness of the cover lower part 510 of the suction cover 500.

Since the cover bottom portion 510 of the suction cover 500 is seated on the stepped groove portion 610, the suction cover 500 can be hermetically attached to the surface of the front wall 330 of the suction housing portion 300 have.

3 and 5, the ground unit 700 includes a first ground line 710 connected between the knife 200 and the suction housing unit 300, a first ground line 710 connected between the knife 200 and the suction housing unit 300, And a second ground line 720 that extends from the contact point of the first electrode 300 to an external ground (not shown).

Both ends of each of the first ground wire 710 and the second ground wire 720 are provided with annular contact terminals that can be fitted to the threaded portion of the bolt to facilitate assembly or disassembly of the ground portion 700, So that electrical energization can be made airtight by bolt tightening.

The grounding unit 700 including the first grounding line 710 and the second grounding line 720 is configured to prevent static electricity from being applied to the entire knife 200 as well as the suction housing unit 300 can do.

Referring to FIG. 6, the knife 200 has an upper end 210 that can be brought into close contact with or close to the surface of the roller.

The upper end 210 of the knife 200 has a sharp inclined surface that is inclined in the tangential direction of the circumference of the roller 1.

Also, a noncontact gap smaller than the size of a foreign particle of a micro size can be maintained between the upper end 210 of the knife 200 and the circumferential surface of the roller 1.

Therefore, when the roller 1 is rotated with respect to the roller rotation axis in the roller support frame of the film transfer apparatus, the apparatus itself of this embodiment is fixed to the roller support frame, and the upper end 210 of the knife 200 The foreign matter of the roller 1 is caught and separated from the upper end 210 of the knife 200 because it closely hits the circumferential surface of the roller 1 and serves as a catching jaw against foreign matter.

Further, due to the operation of the pump, a negative pressure is applied to the inside of the suction housing part 300.

Accordingly, the foreign matter separated as described above is sucked into the inside of the suction housing part 300 located below the knife 200, that is, toward the suction space part E together with air around the separated foreign matter.

Then, the foreign substances and air in the suction space E flow toward the dust collector via the pipe connection port 400 and the suction pipe, and are collected.

As described above, the apparatus of the present embodiment separates foreign materials from rollers that produce precision parts from the surface of the rollers, as well as sucks and removes impurities, and also prevents explosion by preventing static electricity, It is possible to carry out the removal of perfect foreign matters as well.

In addition, this embodiment can be safely used in devices for handling semiconductor manufacturing equipment and printing materials through the prevention of static electricity.

In addition, the present embodiment can suck and discharge or collect the foreign matter before it adheres to the surface of the roller 1. That is, the present embodiment suppresses secondary pollution sources on the surface of the roller 1 through suction, thereby minimizing the defective rate due to foreign matter, and thus it is possible to manufacture a high-quality film very efficiently.

1: roller 2: film
100: frame 200: knife
300: Suction housing part 400: Piping connection port
500: Suction cover 600: Cover fixing part
700: Ground

Claims (7)

1. A foreign material removing device for a roller which removes foreign matter adhering to the surface of a roller for a film transferring device,
A frame coupled to the film transfer device to be disposed parallel to the roller in a space between the surface of the roller and the film;
A knife fixed to an upper portion of the front surface of the frame and extending vertically toward the roller;
A suction housing portion coupled to the frame to form a suction space portion in front of the knife, the suction housing portion having an upper portion opened; And
A plurality of pipes connected to the frame to penetrate through the suction space part and each having a "?" Self-alleviating structure so as to be able to avoid interference with the rollers, And a connection port,
Wherein the knife is hermetically close to the surface of the roller, or maintains a non-contact gap smaller than a micro-sized foreign body size,
The frame includes:
A sloped upper surface that is inclined not to interfere with the rotation of the roller at an upper portion of the front surface, and a sloped upper surface that extends downward from the sloped upper surface, And a rear projection extending in a longitudinal direction of the frame, the rear projection being formed in a triangular ring cross-sectional shape integrally formed below the rear face,
The suction-
A lower portion of the cover disposed above the front wall of the suction housing portion and a cover upper portion integrally formed on the lower portion of the cover and bent obliquely to form a suction port smaller in size than the suction space portion, And a grounding portion,
Wherein the grounding portion includes a first grounding line connected between the knife and the suction housing portion and a second grounding line extending from the suction housing portion contact point of the first grounding line to an external ground, Device.
delete The method according to claim 1,
The suction-
Further comprising: a cover fixing portion for forming a stepped groove portion corresponding to the thickness of the lower portion of the cover so that the lower portion of the cover of the suction cover closely contacts the upper portion of the front wall of the suction housing portion,
Wherein the cover fixing part extends in the longitudinal direction of the suction cover and is coupled to the suction housing part with a plurality of bolts in a state in which the lower part of the cover of the suction cover is covered.
delete delete The method according to claim 1,
The suction-
A pair of side walls coupled to both ends of the frame by a plurality of bolts;
A bottom portion disposed between the side wall portions and coupled to a lower front portion of the frame by a plurality of bolts; And
And a front wall coupled to the side wall portion and the bottom portion by a plurality of bolts to cover the side wall portion and the front face of the bottom portion.

delete
KR1020150052567A 2015-04-14 2015-04-14 Apparatus for removing particle for guide roller KR101817958B1 (en)

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KR102118144B1 (en) * 2020-01-06 2020-06-02 함창석 Vinyl bag manufacturing machine with improved remove foreign substance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070295048A1 (en) * 2004-12-14 2007-12-27 Wolfgang Denker Method of and Apparatus for Strip Blow-Off

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110120530A (en) 2010-04-29 2011-11-04 현대제철 주식회사 Apparatus for removing of roll leveler backup roll
KR101378039B1 (en) 2012-01-13 2014-03-27 주식회사기명 Device removing foreign substances for belt conveyor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070295048A1 (en) * 2004-12-14 2007-12-27 Wolfgang Denker Method of and Apparatus for Strip Blow-Off

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