KR102465794B1 - Lift for installation and maintenance of display panel manufacturing facilities - Google Patents

Abstract

Disclosed is a lift for installing and maintaining display panel manufacturing facilities, comprising: a work bench having a work stage in a horizontal flat plate shape provided so that a worker can ride, and a fence installed along a circumference of the work stage; pillar members having a base frame fixed and installed on a floor of a workshop, a top frame arranged apart on an upper side of the base frame, and a pillar frame vertically connecting the base frame and the top frame, and being installed on one side and the other side of the work bench and guiding the work bench to be elevated and lowered; and elevation driving units respectively installed on each pillar member and connected to the work bench, and having a slide assembly rolling along the pillar frame when the work bench is elevated or lowered. The present invention is able to secure elevation stability.

Description

Lift for installation and maintenance of display panel manufacturing facilities {LIFT FOR INSTALLATION AND MAINTENANCE OF DISPLAY PANEL MANUFACTURING FACILITIES}

The present invention (Disclosure) relates to a lift for display panel manufacturing facility installation and maintenance.

Here, background art related to the present invention is provided, and they do not necessarily mean prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, display panel manufacturing equipment requires periodic or frequent maintenance and replacement of consumables so that the display panel manufacturing equipment can be installed or maintained in the best operating condition after installation. To this end, a lift is installed on one side of the display panel manufacturing equipment. .

Representative examples of the aforementioned lift include 'Korean Utility Model Publication No. 20-0475515', 'Korean Utility Model Publication No. 20-0476092' and 'Korean Patent Registration No. 10-1457439'.

Here, looking at the conventional lift disclosed in the above-mentioned Korea Utility Model Publication and Korean Registered Patent Publication, the conventional lift largely consists of a work table (work table) on which a worker rides, an elevating frame and a work table capable of elevating both ends of the work table. It includes a lifting driver for lifting and moving, and the work table is lifted along the LM guide rail installed in a pair of two on each lifting frame.

However, in the conventional lift, there is a problem in that it is difficult to assemble a set of LM guide rails in parallel, and there is a problem in that the entire device must be disassembled during maintenance of the LM guide rail.

In addition, the conventional lift had another problem in that the entire elevating frame had to be replaced because the LM guide rail could not be installed if a relatively small deformation was applied to the installation surface on which the LM guide rail was installed, and even if the LM guide rail was installed, the load when lifting the worktable There was another problem that stability could not be guaranteed because of the occurrence of

In addition, the conventional lift has another problem in that lubricating oil must be periodically injected into the LM guide rail.

Korean Utility Model Registration No. 20-0475515. Korean Utility Model Registration No. 20-0476092. Korean Registered Patent Publication No. 10-1457439.

An object of the present invention (Disclosure) is to provide a display panel manufacturing equipment installation and maintenance lift that can increase the lifting stability of the work table and the convenience of maintenance.

An object of the present invention (Disclosure) is to provide a lift for installation and maintenance of display panel manufacturing facilities that does not require injection of lubricating oil.

In addition, the problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. It could be.

This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, according to any one of the various aspects describing the present invention, display panel manufacturing equipment installation and maintenance for elevating workers for installation or maintenance of display panel manufacturing equipment In the lift, the lift for display panel manufacturing facility installation and maintenance includes a work table having a horizontal flat plate-shaped work stage on which a worker can ride, and a fence installed along the circumference of the work stage; It has a base frame fixedly installed on the floor of the workshop, a top frame spaced apart from the upper part of the base frame, and a column frame vertically connecting the base frame and the top frame. A pillar member for guiding; and a lift drive unit installed on each of the pillar members and having a slide assembly connected to the work table and rolling along the column frame when the work table is moved up and down.

In the display panel manufacturing facility installation and maintenance lift according to one aspect of the present invention, the column frame vertically connects both inner ends of the base frame adjacent to one side and the other side of the work table and both inner ends of the top frame. First and second inner profiles; first and second outer profiles vertically connecting both outer ends of the base frame and outer ends of the top frame; A first elevation guideway for guiding the elevation of the work table is provided between the inner profiles, and a work table is provided between the first inner profile and the first outer profile and between the second inner profile and the second outer profile facing along the longitudinal direction of the work table. While guiding the elevation of the slide assembly may be provided with second and third elevation guideways for rolling motion.

In the lift for display panel manufacturing facility installation and maintenance according to one aspect of the present invention, the first inner profile and the first outer profile facing the second lift guideway have a second lift guideway, respectively. A first lift rail protruding to the side and extending along the longitudinal direction of the first inner profile and the first outer profile is formed, and on the facing surfaces of the second inner profile and the second outer profile facing the third lift guideway, respectively. A second lift rail may be formed that protrudes toward the third lift guideway and extends along the longitudinal direction of the second inner profile and the second outer profile.

In the display panel manufacturing facility installation and maintenance lift according to one aspect of the present invention, the pillar member includes an inner closing panel that closes the outer side of the first lifting guideway; An outer closing panel that closes between the first and second outer profiles; And a side closing panel that closes the outer side of the second lifting guide and the outer side of the third lifting guide; but, both sides of the inner closing panel perform the lifting operation of the slide assembly connecting the lifting motor of the lifting drivers and the work table. A guide slit elevational incision can be formed.

In the lift for display panel manufacturing facility installation and maintenance according to one aspect of the present invention, the lifting driver includes: a lifting motor; a ball screw shaft that converts the rotational torque of the lifting motor into linear reciprocating motion; A ball screw nut fastened to the ball screw shaft; and a slide assembly connecting the ball screw nut and the worktable; wherein, the output end of the lifting motor is connected to the input end of the reducer, and the reducer is installed on the upper surface of the base frame so that the output end of the reducer is disposed inside the column member. In addition, the ball screw shaft is installed vertically inside the pillar member, but the lower side is connected to the output side of the reducer, and the upper side can be rotatably supported on the top frame.

In the display panel manufacturing facility installation and maintenance lift according to one aspect of the present invention, the slide assembly is disposed inside the pillar member, and the ball screw nut is mounted on the outer surface of the slide; and mounting brackets installed on both sides of the slide, extending horizontally toward the work table through lifting cut-outs formed on both sides of the inner finishing panel closing the outside of the first lifting guideway, and fixedly mounted on the lower side of the work stage. However, first and second lifting rollers may be mounted on both sides of the slide so as to be interposed in rolling motion with the first and second lifting rails.

In the lift for installation and maintenance of display panel manufacturing facilities according to one aspect of the present invention, first and second webs are provided along the outer circumferential surfaces of the first and second lifting rollers at both ends of the first and second lifting rollers. The length of the first and second lift rails is formed by protruding first and second lift rails, and first and second guide holes are guided by being fitted with either one of the first and second webs formed on the first and second lift rollers. Further first and second webs formed to extend along the direction and formed on the first and second lifting rollers may span end surfaces of the first and second lifting rails.

In the lift for display panel manufacturing facility installation and maintenance according to one aspect of the present invention, the first and second elevating rollers may be made of MC nylon.

According to the present invention, since the slide assembly connected to the work table rolls along the column member, resistance during elevation of the work table can be remarkably reduced to secure the stability of the work table, and at the same time, the hassle of periodically injecting lubricating oil as in the prior art to provide an effect that can solve the problem.

1 is a perspective view showing a lift for display panel manufacturing equipment installation and maintenance according to the present invention.
Figure 2 is a view showing a lift for display panel manufacturing equipment installation and maintenance according to the present invention.
3 is a view showing any one of the lifting frame and the lifting driver shown in FIG. 1;
Figure 4 is a perspective view showing the slide assembly shown in Figure 2;
5 is an enlarged cross-sectional view taken along line AA of FIG. 2;
6 is an enlarged sectional view taken along line BB in FIG. 2;

Hereinafter, an embodiment in which a lift for display panel manufacturing equipment installation and maintenance according to the present invention is implemented will be described in detail with reference to the drawings.

However, the essential (intrinsic) technical idea of the present invention cannot be said to be limited by the embodiments described below, and based on the essential (intrinsic) technical idea of the present invention, a person skilled in the art below It is revealed that the embodiments described in include the range that can be easily proposed as a method of substitution or change.

In addition, since the terms used below are selected for convenience of description, in grasping the essential (intrinsic) technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted in a meaning consistent with the technical idea of the present invention. It should be.

Among the accompanying drawings, FIGS. 1 to 6 are diagrams illustrating a lift for installation and maintenance of display panel manufacturing equipment according to the present invention.

1 to 6, the lift 100 for installation and maintenance of display panel manufacturing facilities according to the present invention includes a work table 110 that lifts and lifts, and a pillar member 120 that guides the lift operation of the work table 110. ) and lift drivers 160 for lifting and operating the work table 110 .

First, the workbench 110 is provided so that workers can board for installation or maintenance of display panel manufacturing facilities (not shown).

As shown, the work table 110 includes a work stage 112 having a substantially horizontal flat plate shape having an area on which a plurality of workers can ride, and a fence 116 installed along the circumference of the work stage 112. include

At this time, as shown in FIG. 1 , a plurality of non-slip holes 114 are provided in the work stage 112 so that workers do not slip during work.

Preferably, the work stage 112 may be provided as a conventional check plate.

Meanwhile, the fence 116 is installed to prevent workers from falling on the work stage 112 .

An entrance (not shown) allowing workers to enter and exit the work stage 112 and an entrance door (not shown) for opening and closing the entrance may be formed in the fence 116 installed in this way.

Here, the shape of the entrance and exit doors formed on the fence 116 is not particularly limited in the present invention, and since forming the entrance and exit doors on the fence 116 is a well-known technique, a detailed description thereof will be omitted.

The work table 110 thus formed is supported by the pillar members 120 so as to be able to move up and down, and is moved up and down along the vertical longitudinal direction of the pillar members 120 by the operation of the lift driver 160 .

The pillar members 120 are installed on both sides of the work table 110 to guide the lifting operation of the work table 110 .

That is, the pillar members 120 are installed adjacent to one side and the other side of the work table 110 symmetrically as if reflected in a mirror with the work table 110 therebetween.

The pillar members 120 include a base frame 122 fixedly installed on the floor of a workshop adjacent to one side and the other side of the workbench 110 and a top frame 124 spaced apart from each other on top of the base frame 122.

In addition, the pillar members 120 include a pillar frame 126 vertically connecting the base frame 122 and the top frame 124 .

The column frame 126 includes first and second inner profiles 128 and 130 vertically connecting both inner ends of the base frame 122 adjacent to one side and the other side of the work table 110 and both inner ends of the top frame 124 and first and second outer profiles 132 and 134 vertically connecting both outer ends of the base frame 122 and both outer ends of the top frame 124 .

At this time, a first lifting guide 136 is provided between the first and second inner profiles 128 and 130 facing one side and the other side of the work table 110 to guide the elevation of the work table 110, and the work table ( 110) between the first inner profile 128 and the first outer profile 132 and between the second inner profile 130 and the second outer profile 134 facing each other along the lengthwise direction of the worktable 110. Second and third elevation guideways 138 and 140 for guiding are provided.

And on the facing surfaces of the first inner profile 128 and the first outer profile 132 facing the second lift guideway 138, the first inner profile 128 protrudes toward the second lift guideway 138, respectively. ) and a first lift rail 142 extending along the longitudinal direction of the first outer profile 132 is formed, and similarly, the second inner profile 130 facing the third lift guideway 140 and the second lift rail 142 are formed. Second lift rails 144 extending along the longitudinal directions of the second inner profile 130 and the second outer profile 134 while protruding toward the third lift guideway 140 on opposite surfaces of the outer profile 134, respectively. ) is formed.

Here, the first lift rail 142 formed on the first inner profile 128 and the first outer profile 132 and the second lift rail formed on the second inner profile 130 and the second outer profile 134 144 are formed so as to be symmetrical on both sides of the second and third lift guideways 138 and 140 based on a virtual center line connecting the center of the second and third lift guideways 138 and 140 when viewed in plan.

Meanwhile, the pillar members 120 close the gap between the first and second inner profiles 128 and 130, that is, between the outer side of the first lift guideway 136 and the first and second outer profiles 132 and 134. It further includes an inner closing panel 146 and an outer finishing panel 148, and also between the first inner profile 128 and the first outer profile 132, that is, the outer side of the second lifting guideway 138, The second inner profile 130 and the second outer profile 134, that is, a side closing panel 150 that closes the outside of the third lift guideway 140 is further included.

At this time, on both sides of the inner finishing panel 146, there is a slit lifting cut that guides the lifting operation of the slide assembly 170 connecting the lifting motor 162 of the lifting driving units 160 and the work table 110 to be described later. A ball 154 is formed.

In this way, since the pillar members 120 are finished by the inner and outer closing panels 146 and 148 and the side closing panels 150, it is possible to prevent foreign substances from entering the inside of the pillar member 120 in advance. .

Here, since the installation of the inner and outer closing panels 146 and 148 and the side closing panels 150 is a well-known technique, a detailed description thereof will be omitted.

The lifting driving units 160 are installed on each of the pillar members 120 to lift and lower the work table 110 along the longitudinal direction of the pillar member 120 .

The lifting drivers 160 include a lifting motor 162, a ball screw shaft 166 and a ball screw nut 168 that convert rotational torque of the lifting motor 162 into linear reciprocating motion.

In addition, the lifting driving units 160 further include a slide assembly 170 connecting the ball screw nut 168 and the work table 110 .

The lifting motor 162 is installed on the lower side of the column member 120 so as not to interfere with the lifting operation of the work table 110, and the output end (not shown) of the lifting motor 162 is the input end of the normal reducer 164. (not shown).

At this time, the reduction gear 164 connected to the lifting motor 162 is installed on the upper surface of the base frame 122 so that the output end (not shown) of the reduction gear 164 is disposed inside the pillar member 120.

Here, since the connection relationship between the elevating motor 162 and the reduction gear 164 is a well-known technique, a detailed description thereof will be omitted.

The ball screw shaft 166 extends vertically so that the work table 110 can be moved up and down, but is installed inside the pillar member 120 so as not to be exposed to the outside.

At this time, the lower end of the ball screw shaft 166 is connected to the output side of the reducer 164, and the upper end of the ball screw shaft 166 is rotatably supported by the top frame 124.

A ball screw nut 168 is fastened to the ball screw shaft 166 installed in this way.

That is, as can be seen, the ball screw shaft 166 receives the rotational torque of the elevating motor 162 via the reducer 164 and rotates forward or backward, and the ball screw nut 168 rotates forward or backward. While the position is displaced by the ball screw shaft 166 to be lifted and lowered.

The slide assembly 170 includes a slide 172 that moves up and down along the ball screw nut 168 and a mounting bracket 186 connecting the slide 172 and the work table 110 .

As shown, the slide 172 is disposed inside the pillar member 120 so as not to be exposed to the outside.

At this time, the ball screw nut 168 is mounted on the outer surface of the slide 172, and the upper and lower sides of both sides of the slide 172 are interposed in the first and second lift rails 142 and 144 to enable rolling motion, respectively. First and second lifting rollers 174 and 176 are mounted.

That is, since the slide 172 lifts and moves along the ball screw nut 168, the first and second lift rollers 174 and 176 roll along the first and second lift rails 142 and 144. It is possible to significantly reduce the resistance during the lifting operation.

In addition, the first and second webs 178 and 180 protrude from both ends of the first and second lifting rollers 174 and 176 along the outer circumferential surfaces of the first and second lifting rollers 174 and 176. At this time, First and second webs 178 and 180 formed on the first and second lift rollers 174 and 176 are inserted into and guided by the first and second lift rails 142 and 144. The guide holes 182 and 184 are formed to extend along the longitudinal direction of the first and second lift rails 142 and 144, and the first and second lift rollers 174 and 176 have first and second guide holes. The second webs 178 and 180 span over the end faces of the first and second elevator rails 142 and 144 .

By the first and second webs 178 and 180 formed on the first and second lifting rollers 174 and 176, the slide 172 moves up and down without shaking.

Preferably, the first and second elevating rollers 142 and 144 are made of MC nylon, which is a common engineering plastic with excellent mechanical strength, heat resistance, abrasion resistance (self-lubrication), chemical resistance, and machinability.

On the other hand, the mounting bracket 186 is installed on both sides of the slide 172 as shown, the mounting bracket 186 is horizontal toward the work table 110 through the lifting cutouts 154 formed in the inner closing panel 146. it is extended

At this time, the lower side of the work stage 112 is fixedly mounted to the mounting bracket 186 extending to the outside of the pillar member 120 .

That is, the lower part of one side of the work stage 112 is fixedly mounted to the mounting bracket 186 of the sliding assembly 170 extending from the column member 120 installed on one side of the work table 110 toward the work table 110, and the work table ( The lower part of the other side of the work stage 112 is fixedly mounted to the mounting bracket 186 of the sliding assembly 180 extending from the column member 120 installed on the other side of the work table 110 to the side of the work table 110.

Since the slide 172 that moves up and down along the ball screw nut 168 is connected to the work table 110 via the mounting bracket 186, the work table 110 moves the slide 172 by the operation of the lifting motor 162. ), it will operate up and down.

The lift 100 for installation and maintenance of display panel manufacturing equipment according to the present invention formed as described above moves the slide assembly 170 connected to the work table 110 along the column member 120, so that when the work table 110 is lifted, It is possible to significantly reduce the resistance, so that the lifting stability can be secured, and at the same time, it is possible to solve the trouble of periodically injecting lubricating oil as in the prior art.

Claims (8)

In the display panel manufacturing facility installation and maintenance lift for elevating workers for installation or maintenance of the display panel manufacturing facility,
The display panel manufacturing facility installation and maintenance lift,
A work table having a horizontal flat plate-shaped work stage on which a worker can ride, and a fence installed along the circumference of the work stage;
A base frame fixedly installed on the floor of the workshop, a top frame spaced apart from above the base frame, and a column frame vertically connecting the base frame and the top frame, installed on one side and the other side of the workbench, a pillar member for guiding the lifting operation of the work table; and
A lift drive unit installed on each of the pillar members and connected to the work table and having a slide assembly that rolls along the column frame when the work table is moved up and down,
The pillar frame,
first and second inner profiles vertically connecting both inner ends of the base frame adjacent to one side and the other side of the workbench and both inner ends of the top frame, and perpendicularly connecting both outer ends of the base frame and both outer ends of the top frame A first elevation guideway is provided between the first and second inner profiles facing one side and the other side of the work table to guide the elevation of the work table. Between the first inner profile and the first outer profile and between the second inner profile and the second outer profile facing along the longitudinal direction of the work table, the slide assembly guides the elevation of the work table and the slide assembly rolls. And a third lift guideway is provided,
The lift drive unit,
elevating motor; a ball screw shaft converting the rotational torque of the lifting motor into linear reciprocating motion; a ball screw nut fastened to the ball screw shaft; and the slide assembly connecting the ball screw nut and the work table.
The slide assembly,
a slide disposed inside the pillar member, on an outer surface of which the ball screw nut is mounted, and on both sides of which first and second elevating rollers made of MC nylon are mounted; and
Mounting brackets installed on both sides of the slide, extending horizontally toward the work table through lifting cut-outs formed on both sides of the inner finishing panel closing the outside of the first lifting guideway, and fixedly mounted on the lower side of the work stage. including;
First and second webs protrude from both ends of the first and second lifting rollers along outer circumferential surfaces of the first and second lifting rollers,
In the first and second lift rails, first and second guide holes, which are guided by being fitted with one of the first and second webs formed on the first and second lift rollers, have lengths of the first and second lift rails. The first and second webs are formed to extend along the direction, and the first and second webs formed on the first and second lifting rollers span the end surfaces of the first and second lifting rails. Installation and maintenance of display panel manufacturing equipment maintenance lift.
delete The method of claim 1,
The first lift rail protrudes toward the second lift guide on the facing surfaces of the first inner profile and the first outer profile facing the second lift guide, respectively, and the first inner profile and the first lift guide. It is formed to extend along the longitudinal direction of the outer profile,
The second lift rail protrudes toward the third lift guide on the facing surfaces of the second inner profile and the second outer profile facing the third lift guide, respectively, and the second inner profile and the second lift guide. A lift for installation and maintenance of display panel manufacturing equipment that is formed to extend along the longitudinal direction of the outer profile.
The method of claim 1,
The pillar member,
the inner closing panel;
an outer closing panel closing between the first and second outer profiles; and
Side closing panels closing the outside of the second elevation guideway and the outside of the third elevation guideway; further comprising;
Lift for installation and maintenance of display panel manufacturing equipment, on both sides of the inner finishing panel, a slit lifting cutout is formed to guide the lifting operation of the slide assembly connecting the lifting motor of the lifting driver and the work table.
The method of claim 3,
The output end of the lifting motor is connected to the input end of the speed reducer, and the speed reducer is installed on the upper surface of the base frame so that the output end of the speed reducer is disposed inside the pillar member,
The ball screw shaft is installed vertically inside the pillar member, the lower end is connected to the output end of the reducer, and the upper end is rotatably supported by the top frame. Lift for installation and maintenance of display panel manufacturing equipment.

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