KR102008142B1 - Bearing holder - Google Patents

Abstract

The present invention relates to a one-touch cap coupling bearing holder of a substrate transfer device, to which a plurality of rollers are fixedly coupled. The one-touch cap coupling bearing holder supports a bearing at a shaft transferring a substrate by each of the rollers when rotating while having the bearing on both ends. The present invention includes: a holding housing having an upper portion opened receiving part in which the bearing is inserted to be supported; a holding cap provided on the upper portion of the holding housing, preventing an opened area of the receiving part, and supporting the bearing; and a detaching and mounting means for relative coupling and decoupling between the holding housing and the holding cap, thereby being easy for assembly according as the holder housing for support of the bearing and the holding cap pressurizing and supporting the upper portion side of the bearing supported on the holder housing are coupled to and separated from the holder housing in an one-touch manner.

Description

One-touch cap-coupled bearing holder for substrate transfer equipment {BEARING HOLDER}

The present invention relates to a bearing holder for supporting a bearing coupled to both ends of a shaft in a substrate transporting device for transporting a substrate by each roller when the shaft is fixedly coupled shaft rotation, in particular a holder housing of a bearing seating support structure and its The mutual coupling between the holding caps coupled to the top is a technology related to a bearing holder consisting of a one-touch coupling structure.

In general, a substrate transfer apparatus for transferring a glass substrate is, for example, a plurality of shafts (shaft), a plurality of rollers (rollers) are fixed and installed at equal intervals in each of the shaft to transfer the substrate.

The shaft is rotated by receiving power from a power generating device such as a motor and the like, thereby rotating the roller. The rollers directly contact the bottom surface of the substrate to support the substrate, and are rotated by the rotational force of the shaft to transfer the substrate.

This substrate transfer device is reduced in productivity since the static electricity is generated when the rollers are rotated along the shaft to transfer the substrate and the substrate is frequently damaged. Such static electricity is applied to a circuit pattern or the like formed on the substrate, causing a problem of damaging the substrate.

As a technique to solve this problem,

Republic of Korea Patent Publication No. 10-2015-0077726 (2015.07.08. Publication, hereinafter referred to as 'Document 1') "substrate processing apparatus and method" is presented,

Document 1 is arranged side by side along the direction in which the substrate is transported and a plurality of rotatable transport shaft fixedly coupled to a plurality of rollers in contact with the lower surface of the substrate, and installed on the frame located at one end of the transport shaft therein A bearing holder into which a bearing to which one end of the conveying shaft is coupled is inserted, a bearing part disposed inside the bearing holder and provided convexly in a direction toward the center of the bearing, and grounded to both sides of the bearing and grounded; The lower part includes a grounding unit having a ground line provided in a bottleneck shape and positioned below the bearing holder, and a conducting hole formed at the lower end of the ground line at the lower end of the bearing holder, thereby preventing static electricity generated during substrate transfer. Efficient discharge and failure of board due to static electricity without installing expensive equipment The present invention relates to a substrate processing apparatus and a method capable of minimizing the number.

Document 1. Republic of Korea Patent Publication No. 10-2015-0077726 (2015.07.08.Publication)

The present invention by mounting and detaching the holding cap of the one-touch coupling structure on the upper part of the holder housing in which the bearings of both ends of the shaft is inserted and seated, the one-touch cap coupling of the substrate transfer device that can easily replace and repair the bearing and various components The purpose is to provide a type bearing holder.

Furthermore, an object of the present invention is to provide a one-touch cap-coupled bearing holder of a substrate transfer device that discharges static electricity generated when a shaft rotates through a current carrying hole and a ground spring inserted into the bearing seating lower side of the holder housing.

In order to solve the above problems, the one-touch cap coupled bearing holder of the substrate transfer apparatus according to the present invention,

A plurality of rollers are fixedly coupled and have bearings at both ends to support the bearings in a shaft that transports the substrate by the respective rollers when rotated,

A holding housing having an upper opening-type receiving portion in which the bearing is inserted and supported;

A holding cap disposed on an upper portion of the holding housing to block an opening area of the accommodation portion and support the bearing; And

Removable means for mutual coupling and separation between the holding housing and the holding cap;

Characterized in that consisting of.

One-touch cap-coupled bearing holder of the substrate transfer device according to the present invention,

The holder housing for bearing support and the holding cap for pressing and supporting the bearing upper side supported by the holder housing are easily assembled and detached from the holder housing in a one-touch manner, and thus easy to replace and repair parts. There is.

In addition, it is easy to discharge static electricity through the grounding spring, and in particular, the fixing nut and the fixing bolt to be fastened to it, and fastening the grounding spring of the anti-loosening structure at each end of the fixing bolt to release the static electricity.

In addition, by arranging a partition cover between a plurality of holding housings arranged in the substrate transfer direction, by allowing both ends of the partition cover to be inserted and supported at both ends of the holding housing, the partition cover can be easily installed.

1 is an exploded three-dimensional block diagram showing a one-touch cap combined bearing holder of the substrate transfer apparatus according to the present invention,
Figure 2 is a bottom exploded three-dimensional block diagram showing a one-touch cap combined bearing holder of the substrate transfer apparatus according to the present invention,
3 is a side exploded view showing a one-touch cap-coupled bearing holder of the substrate transfer device according to the present invention;
4 is a cross-sectional configuration diagram showing a state in which the one-touch cap coupled bearing holder of the substrate transfer apparatus according to the present invention is installed in the frame;
FIG. 5 is an enlarged cross-sectional configuration view of a main portion showing a structure of a ground spring of another example of “A” of FIG. 4;
Figure 6 is a three-dimensional configuration and plan view showing the structure of the ground spring in another example,
Figure 7 is a plan view showing a state in which the bearing holder is installed on the substrate transfer device and the partition cover is disposed.

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

Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the configuration shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be water and variations.

The direction of the holding cap side to the upper or upper, the holding housing side to the lower or lower side will be specified based on FIG.

As shown in Figures 1 to 7, the one-touch cap coupled bearing holder of the substrate transfer apparatus according to the present invention,

In order to support the bearing (2) in the shaft (S) to which a plurality of rollers (1) is fixedly coupled and has bearings (2) at both ends and to transport the substrate by the respective rollers (1) in rotation,

It consists of a holding housing 10, holding cap 20 and the mounting means 30.

Looking at each configuration,

The holding housing 10

As shown in Figures 1 to 4,

Upper opening type receiving portion 11 into which the bearing 2 is inserted and supported

It consists of a rectangular housing structure comprising a.

1 to 3, the receiving portion 11 of the holding housing 10 is vertically upward from both inner walls of the U-shaped bottom accommodating space 111 and the bottom accommodating space 111. Recesses are formed to extend along the inner wall of the top receiving space 112, the bottom receiving space 111 and the top receiving space 112 and are connected to each other and the lower side of the bearing (2) ( recess 113).

As a result, the region located at the top receiving space portion 112 side in the recess 113 is a space for entering the circular bearing 2, and has a width corresponding to the diameter of the bearing 2. The region located at the bottom accommodating space 111 side in the recess 113 is a space for seating the circular bearing 2, and has a diameter corresponding to the diameter of the bearing 2.

In addition, the recess 113 is formed along the central region in the inner wall of the bottom accommodating space 111 and the top accommodating space 112, so that both of the bearings 2 are formed on both inner walls of the recess 113. The lower side circumferential region of the double-sided circumferential region is supported.

3 and 4, the holding housing 10 has a conducting hole 12 penetrating up and down on the bottom side of the receiving portion 11, that is, the bottom side of the bottom accommodating space 111; It is further provided with an electrostatic discharge ground spring (13) inserted into the conduction hole (12), one end of which is in contact with the bearing (2) and the other end of which is in contact with the holding housing (10) installation frame (F).

The ground spring 13 may have a coil spring structure having the same diameter, and the ground spring 13 is elastically exerted toward the bearing 2 and the frame F, respectively, to maintain a constant ground state. Can be.

As another example, as shown in FIGS. 5 and 6, the fixing nut 17 fixed to the stop region of the energizing hole 12 and the fixing nut 17 are fastened to each other, and upper and lower ends thereof are exposed to the outside, respectively. A pair of ground springs 13 are provided as the ground springs 13 are fitted to the upper and lower ends of the fixing bolts 18 while the fixing bolts 18 are provided. As a result, the upper end of the upper side ground spring 13 is in contact with the bearing 2 and the lower end of the lower side ground spring 13 is in contact with the frame F for installing the holding housing 10. At this time, the fixing bolt 18 preferably has an upper and lower length such that each of the bearing (2) and the frame (F) is non-contact.

Wherein the ground spring 13 is fitted to the fixing bolt 18 is a spring powder 131 and the annular portion 131a corresponding to the screw thread of the fixing bolt 18 is connected to each other in a spiral form to form a plurality of layers, The spring powder 131 extends from both ends, respectively, and includes a pressing part 132 wound around the outer side of the annular portion 131a.

In addition, the pressing portion 132 is wound to the outside of the annular portion (131a) three large protrusions (132a) and three small protrusions (132b) are formed alternately with each other to form a triangular shape overall.

That is, the pressing portion 132 is formed by a large protrusion (132a), the operator can be easily gripped and fastened to the fixing bolt 18 and then easily rotated to the screw thread position of the fixing bolt 18 to move To realize the effect that can be made.

In addition, the most stable shape of the rectangular or polygonal shape is a triangular shape, which is a shape of the square or more can easily slip when the operator grips and rotates, the triangular shape of the pressing portion 132 of the present invention As the gripping surface is formed in three, the gripping area is wide, so that the operator's fingers are not easily separated, so that gripping and fastening can be easily performed.

In addition, the pressing unit 132 is divided by the additional surface formed by the small protrusion 132b, that is, the surface formed between the large protrusion 132a into two surfaces, the operator by the small protrusion 132b It is possible to realize the effect of preventing the gripping fingers to slide.

Therefore, the ground spring 13 is fixedly coupled to the upper and lower ends of the fixing bolt 18 by the annular portion 131a, and in this state, the ground fixedly coupled to the upper and lower ends of the fixing bolt 18, respectively. The pressing portion 132 of the spring 13 is grounded to the bearing 2 and the frame F.

The ground spring 13 of this structure prevents the release of the fastening arbitrarily under various conditions irrespective of the use mode, vibration size and impact.

Through the structure as described above, the static electricity is passed as follows. Static electricity generated in the substrate transferred through the shaft S and the roller 1 is transferred to the bearing 2 through the shaft S. After that, the static electricity is transferred to the ground spring 13 which is grounded to the bearing 2, and is discharged to the outside through the frame F in which the ground spring 13 is grounded.

In the structure of the ground spring 13 described as another example, the static electricity is transferred to the lower side ground spring 13 via the fixing nut 13 of a conductive material through the upper side ground spring 13.

1 to 3, the holding housing 10 is provided with a cover member 14 disposed on both sides of the receiving portion 11 to cover a part of both sides of the bearing 1. On both upper ends of the cover member 14, a slope 141 having a structure inclined in a direction facing each other is formed, which is a snap protrusion 34 to be described later when the holding cap 20 is mounted to the holding housing 10. A guide to enter the bottom space portion 32 to be described later to be inserted and seated, as well as to guide the corresponding cover member 23 to enter the receiving portion 11 to be in contact with the cover member (14). Has

In addition, the cover member 14 and the corresponding cover member 23 may not only protect the bearing 2 from the outside but also contribute to the safety of the operator.

1 and 4, the holding housing 10 is provided with a seating space 15 having a shape that is vertically opened while being recessed inward from both outer walls. In the substrate transfer apparatus, the plurality of shafts S is disposed along the transfer direction of the substrate, and thus the holding housings 10 are disposed in each of the bearings 2 coupled to each shaft S. In this case, as shown in FIG. The partition cover P is disposed between the adjacent holding housings 10. The partition cover (P) is installed to maintain the gap between the adjacent holding housing 10 and to prevent foreign matters from entering the shaft (S) and safety accidents, the end of the partition cover (P) is the seating space The partition cover P inserted into the unit 15 may be fixed to the holding housing 10 by a separate fixing means.

At least two insert tabs 16 may be provided at both sides of the holding housing 10 to install the holding housing 10 at a side cover (not shown) of a conveyor drive.

Holding cap 20 is

As shown in Figures 1 to 4,

Is disposed on the holding housing 10 to block the opening area of the receiving portion 11 and to support the bearing (2),

U-shaped corresponding recess 21 in which the upper side of the bearing 2 is seated in the lower part.

It is made, including.

At this time, the corresponding recess 21 is formed on the lower surface of the post 22 protruding downward in the central region of the lower surface of the holding cap 20, which is an example and the holding without the configuration of the post 22. The lower surface of the cap 20 may be integrally formed to be concave upward to have a U-shape.

In addition, the corresponding recess 21 supports the outer circumferential surface of the upper side of the bearing 2 in a state in which the holding cap 20 is mounted on the holding housing 10. As a result, the corresponding recess 21 has a diameter corresponding to the diameter of the bearing 2.

And, as shown in Figure 3, the holding cap 20 is formed with a corresponding cover member 23 in contact with the cover member 14 to cover the remaining part of the circumference of both sides of the bearing (2), wherein the Both ends of the corresponding cover member 23 are inclined in a direction facing each other to form a corresponding slope 231 which is in contact with the slope 141 of the cover member 14.

In addition, the upper surface of the holding cap 20 is preferably provided with two or more insert tabs 24 to install the holding cap 20 on the upper cover (not shown) of the conveyor drive unit.

Desorption means 30

As shown in Figures 1 to 3,

For mutual coupling and separation between the holding housing 10 and the holding cap 20,

The top space portion 31 recessed inwardly at both ends of the upper side of the holding housing 10,

Bottom space portion 32 recessed inward to the lower end of the top space portion 31,

A support 33 protruding downward from both ends of the lower side of the holding cap 20 and disposed in the top space part 31; and

A snap protrusion 34 protruding inward from an end of the support 33 and fitted into the bottom space portion 32.

It is made, including.

In this case, each of the top space portion 31 and the bottom space portion 32 has a rectangular space structure, and the support 33 and the snap protrusion 34 also correspond to the respective space portions 31 and 32. It consists of a rectangular cross-sectional structure.

In particular, as shown in FIGS. 1 and 2, the snap protrusion 34 has an approximately inverted triangle structure, and when the holding cap 20 is mounted on the holding housing 10, the snap protrusion 34 is in the top space. The support 33 is opened to the outside while passing through the part 31, and the support 33, which was opened when the snap protrusion 34 is fitted into the bottom space part 32, is seated in the top space part ( By being seated at 31, mutual coupling between the holding housing 10 and the holding cap 20 is achieved. The support 33 having the snap protrusion 34 at the end is preferably made of a material having a restoring force so that it can be opened and then returned to its original position.

And the mounting means 30 is

A stopper 35 formed in the top space portion 31 and the bottom space portion 32 so as to be blocked in an end region adjacent to the accommodation portion 11 to limit the movement of the snap protrusion 34;

Detachable space portion 36 is formed to extend downward from the bottom of the bottom space portion 32 and open to the outside

It further includes.

As a result, in the state where the snap protrusion 34 is fitted and seated in the bottom space portion 32, the movement of the snap protrusion 34 to the receiving portion 11 side by the stopper 35 is limited. Support 33 is limited to the movement to the receiving portion 11 side by the stopper 35 in a state seated in the top space portion 31.

The detachable space portion 36 has a space structure extending downward from the bottom center area of the bottom space portion 32, which is inserted into a separate tool by a worker or a separate tool when the holding cap 20 is removed. This is to separate the snap protrusion 34 from the bottom space portion 32.

In the above description of the present invention with reference to the accompanying drawings, a "one-touch cap-coupled bearing holder of the substrate transfer device" having a specific shape and structure have been described mainly, the present invention can be variously modified and changed by those skilled in the art, Such modifications and variations are to be interpreted as falling within the protection scope of the present invention.

S: shaft
1: roller
2: bearing
F: frame
P: Partition Cover
10: holding housing
11: receiving part
111: Bottom accommodation space
112: tower accommodation space
113: recess
12: energizing hall
13: ground spring
131: spring powder
131a: annular portion
132: pressure unit
132a: large protrusion
132b: small protrusion
14: cover member
141: slope
15: seating space
16: Insert tab
17: fixing nut
18: Fixing bolt
20: holding cap
21: corresponding recess
22: post
23: corresponding cover member
231: corresponding slope
24: Insert tab
30: detachment means
31: tower space part
32: bottom space part
33: Support
34: snap projection
35: stopper
36: removable space

Claims (7)

In order to support the bearing (2) in the shaft (S) to which a plurality of rollers (1) is fixedly coupled and has bearings (2) at both ends and to transport the substrate by each roller (1) when rotating
A holding housing (10) having an upper opening (11) receiving portion (11) into which the bearing (2) is inserted and supported;
A holding cap 20 disposed above the holding housing 10 to block an opening area of the accommodation portion 11 and to support the bearing 2; And
Removable means 30 for mutual coupling and separation between the holding housing 10 and the holding cap 20;
Consisting of
The detachable means 30 includes a top space portion 31 recessed inwardly at both ends of the upper side of the holding housing 10, a bottom space portion 32 recessed inwardly at a lower end of the top space portion 31, and A support 33 protruding downward from both ends of the lower side of the holding cap 20 and disposed in the top space part 31, and protruding inward from an end of the support 33 to the bottom space part 32. A snap protrusion 34 inserted into the top portion 31 and the top space portion 31 and the bottom space portion 32 so as to be blocked in an end region adjacent to the accommodation portion 11. A stopper 35 for limiting movement and a detachable space portion 36 extending downward from the bottom of the bottom space portion 32 and opening outwardly;
The holding housing 10 has an energizing hole 12 penetrating up and down on the bottom side of the receiving part 11, a fixing nut 17 fixedly disposed at an interruption area of the electricity supply hole 12, and the fixing nut. Is fastened to (17) is provided with a fixed bolt 18, the top and bottom are exposed to the outside, respectively, and a pair of electrostatic discharge ground spring 13 is fitted to each of the top and bottom of the fixing bolt 18 is provided The upper end of the upper side ground spring (13) is in contact with the bearing (2) and the lower end of the lower side ground spring (13) is in contact with the frame (F) for installing the holding housing 10,
The ground spring 13 is formed from a spring powder 131 having a plurality of layers of annular portions 131a corresponding to the threads of the fixing bolt 18 in a spiral form and forming a plurality of layers from both ends of the spring powder 131. Each extending portion is formed of a pressing portion 132 is wound to the outside of the annular portion (131a),
The pressing portion 132 is wound to the outside of the annular portion (131a) three large protrusions (132a) and three small protrusions (132b) are formed alternately with each other to form a triangular shape overall,
The holding housing 10 is formed with a seating space portion 15 having a shape that is recessed up and down while being inwardly inclined from both outer walls, and an end portion of a partition cover F disposed between adjacent holding housings 10 is formed. One-touch cap coupled bearing holder of the substrate transfer device, characterized in that inserted into the seating space (15).
delete delete delete The method of claim 1,
Receiving portion 11 of the holding housing 10 is a U-shaped bottom receiving space 111 at the bottom, top receiving space 112 extending vertically upward from both inner walls of the bottom receiving space 111, It is formed to be recessed along each inner wall of the bottom receiving space 111 and the top receiving space 112 is connected to each other and consists of a recess (113) that the lower side of the bearing (2) is seated,
The holding cap 20 is a one-touch cap combined bearing holder of the substrate transfer device, characterized in that the lower portion is formed with a U-shaped corresponding recess (21) is seated on the upper side of the bearing (2).
The method of claim 5,
The holding housing 10 is formed with a cover member 14 disposed on both sides of the accommodating part 11 to cover a part of both sides of the bearing 2.
The holding cap 20 is provided with a corresponding cover member 23 which is in contact with the cover member 14 and covers the remaining part of both sides of the bearing 2. Cap-coupled bearing holder.
delete

Images