KR102418280B1 - Variable rack system - Google Patents

Abstract

A variable rack system comprises: a pair of vertical rack frames arranged and separated from each other; a vertical variable rack unit having a plurality of moving rack frames vertically provided between the pair of vertical rack frames and capable of position control; a horizontal variable rack unit having a plurality of support frames horizontally provided in the longitudinal direction of the moving rack frames and capable of position control; a direction switching unit provided on one side of the vertical rack frames to mount an article thereon, and having a plurality of direction switching rollers; a recognition unit installed on one side of the direction switching unit to recognize information of the article mounted on the direction switching unit; and an article transport unit movable between the pair of vertical rack frames, and mounting the article mounted on the direction switching pad on an upper portion of the support frames. According to the present invention, the variable rack system can adjust the width of a space in which an article is loaded by the vertical variable rack unit, and adjust the height of the space in which the article is loaded by the horizontal variable rack unit to adjust the width and height of the loaded space in accordance with the size of the article to increase the space utilization of article storage. Moreover, support plates of one support frame among neighboring support frames can be inserted and arranged in the space in which support plates of another support frame are separated. Therefore, the support plates can be stably supported in accordance with the size of the article.

Description

Variable Rack System {VARIABLE RACK SYSTEM}

The present invention relates to a variable rack system for storing goods, and to a variable rack system in which width and height can be varied according to the size of an article, thereby increasing space utilization.

In general, a logistics warehouse is a storage warehouse for temporarily or long-term loading and storage of all items used in daily life, such as various foods, beverages and clothing, home appliances, miscellaneous goods, industrial goods, etc., mass-produced in factories or production areas, and recently in the logistics industry Due to the rapid development of the logistics industry, it is necessary to move away from the simple logistics management dimension, from product placement in the warehouse to efficient warehousing, shipment, and inventory management.

A rack (RACK) is for storing, organizing, and storing various items. It is composed of a vertical rack arranged vertically and a horizontal rack that can support the goods. can be kept

Racks are also used to store goods in the above-mentioned logistics warehouse, and the rack for the logistics warehouse is configured to load or easily transport a large number of goods in a small space. this is required

However, in the case of the conventional variable rack, a plurality of perforations are formed in the vertical direction in the vertical rack, and the horizontal rack is selectively installed in any one of the plurality of perforations to control the position of the horizontal rack. This method is a manual method, and it is difficult to modify or reinstall a large rack used in a distribution warehouse every time.

In order to compensate for this disadvantage, a device for changing a rack using a driving unit has been developed, but as a structure in which a plurality of vertical racks and a plurality of horizontal racks are moved together, there is a limit to making an appropriate variable space shape according to the article. There is a disadvantage in that the space utilization efficiency is lowered. Accordingly, a variable rack in which each space is individually controlled according to the size of the goods loaded on the rack is required.

As a technology related to a conventional variable rack, Korean Patent Registration No. 1890414 is disclosed.

The present invention was created to solve the above problems, and it is an object of the present invention to provide a variable rack system with high space efficiency and use efficiency because the distance between the horizontal rack and the vertical rack can be individually adjusted according to the size of the article There is this.

Variable rack system according to an embodiment of the present invention for achieving the above object, a pair of vertical rack frames spaced apart from each other; A plurality of movable rack frames are vertically provided between the pair of vertical rack frames, and a vertically variable rack unit capable of position control, respectively; a horizontally variable rack unit having a plurality of supporting frames horizontally provided along the longitudinal direction of the movable rack frame and capable of position control; a direction changing unit provided on one side of the vertical rack frame so that an article can be seated, and having a plurality of direction changing rollers; a recognition unit installed on one side of the direction change unit to recognize information on an article seated in the direction change unit; And it is movable between the pair of vertical rack frames, and includes an article transfer unit for seating the article seated on the direction changing pad on the upper portion of the support frame.

Here, the vertical variable rack unit includes a first rotating shaft having both ends coupled to the lower portion of the pair of vertical rack frames to rotate, a plurality of moving rack frames movably coupled along the first rotating axis, and the plurality of moving racks A frame and the first rotation shaft are coupled, and a first clutch unit for controlling the position of the movable rack frame, and a first fixing unit to which the first clutch unit is selectively fixedly coupled.

In addition, the first clutch unit, the moving rack frame is coupled to move along the first axis of rotation, including a moving unit including a moving body having teeth formed on an outer circumferential surface, and a meshing part selectively coupled to the moving body, the movement It is preferable to include a movement control unit for controlling the movement of the unit.

In addition, the first fixing portion, both ends are fixedly coupled to the lower portion of the pair of vertical rack frames, and a position fixing bar having a toothed surface formed on one surface, and the first clutch portion, and selectively to the toothed surface on one surface It may include a fixed pad that is coupled to the coupling tooth is formed.

In addition, the horizontal variable rack unit, a second rotation shaft rotatably coupled to both sides of the movable rack frame, a plurality of support frames movably coupled along the second rotation shaft, the plurality of support frames and the first It may include a second clutch unit for coupling the two rotation shafts and controlling the position of the support frame, and a second fixing unit to which the second clutch unit is selectively fixedly coupled.

In addition, the second fixing portion, a position fixing bar having a toothed surface formed on one surface coupled to the side surface of the movable rack frame, is coupled to the second clutch portion, and a coupling tooth selectively coupled to the toothed surface is formed on one surface It is preferable to include a fixing pad.

In addition, the article transfer unit may include a transfer rail unit coupled to the vertical rack frame, and a robot arm unit that moves along the transfer rail unit and transfers the article.

In addition, the transport rail unit, both ends are respectively coupled to the pair of vertical rack frames, a horizontal transport shaft disposed horizontally, a vertical transport shaft vertically coupled to the horizontal transport shaft, and movable along the horizontal transport axis. may include

In addition, the robot arm unit includes a moving body moving along the transfer rail, an end effector disposed to be spaced apart from the transfer body and in contact with an article, one end coupled to the transfer body, and the other end coupled to the end effector. and it is preferably composed of a plurality of arms.

In addition, the direction changing unit, a direction changing plate horizontally coupled to one side of the vertical rack frame, a plurality of direction changing rollers rotatably provided on the direction changing plate, and driving the plurality of direction changing rollers, respectively It may include a direction change driving unit.

In addition, it is preferable that the direction change unit is connected to the recognition unit to change the direction of the article by driving the direction change unit according to the information on the article recognized by the recognition unit.

The variable rack system according to the present invention is capable of adjusting the width of the space in which the goods are loaded by the vertical variable rack unit and the height of the space in which the goods are loaded by the horizontal variable rack unit, so that it is loaded according to the size of the goods. By adjusting the width and height of the space, the space utilization rate of storage is high.

In addition, each of the plurality of movable rack frames and the plurality of support frames is provided with clutch parts to simplify the driving structure and to adjust the space in which the articles are loaded according to the size of the articles in a simple way, so that the use efficiency is high.

In addition, the direction changing unit turns the product according to the information of the product recognized by the recognition unit, so that it can be changed in the appropriate direction to be transmitted to the product conveying unit. It can be seated on the upper surface of the product, so it is efficient for storing and loading items.

1 is a perspective view showing a variable rack system according to an embodiment of the present invention;
Figure 2 is a side view of the variable rack system shown in Figure 1;
3 is a plan view of the variable rack system shown in FIG. 1;
4 is a perspective view showing a part of the vertical variable rack part of the variable rack system shown in FIG. 1;
5 and 6 are side views showing a movable state of the first clutch part of FIG. 1;
7 and 8 are side views showing a state in which the first clutch unit of FIG. 1 is fixed;
9 is a perspective view showing a part of the horizontal variable rack part of the variable rack system shown in FIG. 1;
10 is a perspective view showing a state in which the second clutch unit of the horizontal variable rack unit of the variable rack system shown in FIG. 1 is coupled;
11 is a plan view showing a state in which the second clutch unit is coupled to the horizontal variable rack unit of the variable rack system shown in FIG. 1;
12 is a perspective view showing an article transport unit of the variable rack system shown in FIG. 1;
13 is a perspective view showing a robot arm of the article transport unit shown in FIG. 12;
14 is a perspective view showing a direction changing unit of the variable rack system shown in FIG. 1;
15 is a perspective view of the direction changing unit shown in FIG. 14;
16 is a state diagram illustrating a process in which the direction changing unit shown in FIG. 14 changes the direction of the article.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that can be defined, it should be interpreted 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 only the most preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention. It should be understood that there may be variations.

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

1 to 16, the variable rack system 10 according to an embodiment of the present invention is a rack (RACK) system of a distribution warehouse for storing parcel boxes, etc., depending on the size of the goods. It is configured so that the space can be varied by adjusting the width or height of the loaded space. The variable rack system 10 includes a pair of vertical rack frames 100 , a vertically variable rack unit 200 , a horizontally variable rack unit 300 , a first guide unit 400 , a second guide unit 500 , and an article. It includes a sending unit 600 , a direction change unit 700 , and a recognition unit 800 .

The pair of vertical rack frames 100 are spaced apart from each other. The pair of vertical rack frames 100 are installed vertically and are spaced apart from each other in the horizontal direction.

Referring to FIG. 4 , the vertical variable rack unit 200 is provided between the pair of vertical rack frames 100 and includes a plurality of movable rack frames 210 arranged in a vertical direction. The vertical variable rack unit 200 is capable of controlling the position of each of the plurality of movable rack frames 210 , and the article may be disposed between the plurality of movable rack frames 210 , the vertical variable rack unit 200 . By adjusting the position of , it is possible to adjust the width of the space in which the article is stored. The vertical variable rack unit 200 includes a first rotating shaft 220 , a plurality of movable rack frames 210 , a first clutch unit 230 , and a first fixing unit 240 .

The first rotation shaft 220 is rotated by coupling both ends to the lower portion of the pair of vertical rack frames 100 . That is, the first rotation shaft 220 is preferably arranged in the horizontal direction at the lower portion between the pair of vertical rack frames (100). Therefore, one end of the first rotating shaft 220 is coupled to the lower end of one vertical rack frame 100 , and the other end is coupled to the lower end of the other vertical rack frame 100 , and is provided to be rotated by a driving unit. In other words, it is preferable that the first rotation shaft 220 has a screw thread formed on its outer circumferential surface.

The plurality of movable rack frames 210 are vertically disposed between the pair of vertical rack frames 100 . The plurality of movable rack frames 210 may be movably coupled along the first rotational shaft 220 . The article may be provided between the plurality of moving rack frames 210, and by controlling the positions of the plurality of moving rack frames 210, the width of the space in which the article is stored can be adjusted in accordance with the size of the article. .

5 to 8 , the first clutch unit 230 couples the plurality of moving rack frames 210 and the first rotation shaft 220 , and controls the position of the moving rack frame 210 . For this purpose, the first clutch unit 230 may include a moving unit 231 and a movement control unit 232 .

The moving unit 231 is coupled to the moving rack frame 210 and may move the moving rack frame 210 by moving along the first rotation axis 220 . That is, the moving unit 231 is provided in each of the plurality of moving rack frames 210 , and the positions of the plurality of moving rack frames 210 are controlled by the moving unit 231 to vary the space in which the goods are loaded. can do it The moving unit 231 includes a moving body 2311 having teeth 2312 formed on its outer peripheral surface and a moving frame 2313 .

The moving frame 2313 is a frame coupled to the first rotary shaft 220, and is coupled to the first rotary shaft 220 through a space through which the center is penetrated.

The movable body 2311 is coupled to the first rotational shaft 220 to move along the first rotational shaft 220 , and is coupled to the penetrating center of the movable frame 2313 . The movable body 2311 has an inner circumferential surface coupled to the first rotary shaft 220, and more specifically, a screw thread corresponding to the screw thread formed on the outer circumferential surface of the first rotary shaft 220 is formed and is screwed to each other. Accordingly, when the first rotation shaft 220 rotates, the movable body 2311 is movable along the screw thread. A configuration for controlling the movable body 2311 to be movable is the first clutch unit 230, which will be described in detail later.

It is preferable that a plurality of teeth 2312 are formed on the outer peripheral surface of the movable body 2311 . The plurality of teeth 2312 are formed to protrude at equal intervals along the outer circumferential surface of the movable body 2311 , and are preferably formed on the central side of the movable body 2311 .

The movement control unit 232 is selectively coupled to the moving unit 231 to control the movement of the moving unit 231 , and includes a clutch body 2321 and a control cylinder 2322 .

The clutch body 2321 is provided in the moving frame 2313 and is disposed on one side of the moving body 2311 . An engaging portion 2323 is formed on one surface of the clutch body 2321 facing the outer peripheral surface of the movable body 2311 . The engaging portion 2323 is formed to protrude to correspond to the teeth 2312 and is selectively coupleable to the teeth 2312 in order to control the movement of the movable body 2311 . In other words, it is preferable that the engaging portion 2312 of the clutch body 2321 is coupled to the teeth 2312 and simultaneously presses the movable body 2311 . Therefore, in the movable body 2311 pressed by the engaging portion 2312 , the screw thread formed on the inner circumferential surface is engaged with the first rotational shaft 220 , so that the movable body 2311 is movable along the first rotational shaft 220 . . Conversely, when the engaging portion 2323 is separated from the teeth 2312 and does not press the movable body 2311 , the movable body 2311 rotates idle on the first rotating shaft 220 .

That is, when the teeth 2312 and the meshing part 2323 are coupled, the movable body 2311 is pressed so that the movable part 231 is movable according to the rotation of the first rotating shaft 220, and the teeth When 2312 and the meshing part 2323 are separated, the moving part 231 may maintain a position without moving along the first rotating shaft 220 by idling on the first rotating shaft 220 . .

The control cylinder 2322 is for controlling the movement of the clutch body 2321, and is coupled to one end of the clutch body 2321. Specifically, since the control cylinder 2322 includes a moving cylinder, it is preferable that the moving cylinder of the control cylinder 2322 and one end of the clutch body 2321 are coupled. Therefore, when the movable cylinder of the control cylinder 2322 is extended, the clutch body 2321 moves to the outside of the movable body 2311, and the engaging portion 2323 and the movable body 2311 can be separated. , when the moving cylinder of the control cylinder 2322 is contracted, the clutch body 2321 moves to the moving body 2311 side so that the engaging part 2323 and the moving body 2311 are coupled, and the moving body 2311 ) can be pressurized.

The first fixing part 240 is for stably fixing the position of the movable part 231 when the movable body 2311 is idling on the first rotating shaft 220 , and the first clutch part 230 . ) is selectively fixedly coupled. The first fixing unit 240 includes a first position fixing bar 241 , a first fixing pad 242 , a moving bar 243 , and a rotating body 244 .

Both ends of the first position fixing bar 241 are fixedly coupled to the pair of vertical rack frames 100 . That is, the first position fixing bar 241 is preferably arranged in the horizontal direction at the lower portion between the pair of vertical rack frames (100). The first position fixing bar 241 is spaced apart in a direction parallel to the first rotation shaft 220, and a sawtooth surface 2411 is formed on one surface.

The first fixing pad 242 is configured to be selectively coupled to the toothed surface 2411, and the first fixing pad 242 is coupled to the first clutch unit 230, and the toothed surface ( A coupling tooth 2421 that is selectively coupled to 2411 is formed. The coupling tooth 2421 is coupled to the tooth surface 2411 to stably fix the position of the moving part 231 . That is, the first fixing pad 242 is coupled in the moving frame 2313, and the tooth surface 2411 and the coupling tooth 2421 are coupled to thereby stably fix the movement of the moving part 231. have. The first fixing pad 242 is movable in response to the coupling of the teeth 2312 and the meshing part 2323, and when the teeth 2312 and the meshing part 2323 are coupled, the coupling teeth (2421) The toothed surface 2411 is separated so that the moving part 231 is movable along the first rotational shaft 220, and the teeth 2312 and the meshing part 2323 are separated, The coupling tooth 2421 may be coupled to the tooth surface 2411 to stably fix the position of the moving part 231 .

The moving bar 243 and the rotating body 244 are for moving the first fixed pad 242, and according to the movement of the moving bar 243 and the rotating body 244, the first fixed pad 242 is moved to be selectively separated and coupled to the sawtooth surface 2411 .

One end of the moving bar 243 is connected to the clutch body 2321 and linearly moves according to the movement of the clutch body 2321 . In other words, it is preferable that a first elastic body 2431 is provided at the other end of the moving bar 243 , and the position of the moving bar 243 can be elastically restored by the first elastic body 2431 . In other words, when the first fixing pad 242 and the toothed surface 2411 are coupled to each other, the first elastic body 2431 may provide a stable fixing force to the first fixing pad 242 .

One end of the rotating body 244 is coupled to the other side of the moving bar 243 , and the first fixed pad 242 is coupled to the other end. Accordingly, the first fixing pad 242 is moved according to the rotational movement of the rotating body 244 , so that it can be selectively separated and coupled to the toothed surface 2411 . That is, the rotating body 244 is rotatably coupled to the moving frame 2313 , and is rotatable according to the movement of the moving bar 243 . It is preferable that a second elastic body 2441 is provided on one surface of the rotating body 244 , and when the first fixing pad 242 and the toothed surface 2411 are coupled to each other, the second elastic body 2441 is It is possible to provide a stable fixing force by the elastic force.

Next, an operation process of the first clutch unit 230 will be described in detail. When the clutch body 2321 moves toward the movable body 2311 and the teeth 2312 and the meshing part 2323 are coupled, the movable body 2311 is screwed with the first rotating shaft 220 and the second It is movable along one rotational axis 220 , and at the same time, the moving bar 243 connected to the clutch body 2321 is moved, and the first fixed pad 242 connected to the rotating body 244 is moved to move the teeth. separated from the face 2411 .

Conversely, when the clutch body 2321 moves to the outside of the movable body 2311 and the teeth 2312 and the meshing part 2323 are separated, the movable body 2311 rotates at idle on the first rotating shaft 220 . and the moving bar 243 connected to the clutch body 2321 is moved, so that the first fixing pad 242 connected to the rotating body 244 is moved toward the toothed surface 2411, and the toothed surface 2411 ) is bound to Accordingly, the position of the moving part 231 can be stably fixed by the coupling of the first fixing pad 242 and the toothed surface 2411 .

That is, when the teeth 2312 and the meshing part 2323 are separated, the first fixing pad 242 is coupled to the toothed surface 2411 , and the teeth 2312 and the meshing part 2323 are coupled to each other. In this case, the first fixing pad 242 may be separated from the sawtooth surface 2411 .

The first guide part 400 is to structurally reinforce the movement of the movable rack frame 210 , and includes a first linear bar 410 and a first auxiliary guide body 420 .

Both ends of the first linear bar 410 are fixedly coupled to the pair of vertical rack frames 100 . The first linear bar 410 is preferably arranged in the horizontal direction at the lower portion between the pair of vertical rack frames 100, rails may be formed on both sides of the first linear bar 410. In other words, it is preferable that the first rotary shaft 220 is coupled to one lower end of the moving rack frame 210 , and the first linear bar 410 is coupled to the other lower end of the moving rack frame 210 .

The first auxiliary guide body 420 has one side coupled to the first linear bar 410 and the other side coupled to the movable rack frame 210, the first linear bar 410 and the movable rack frame. (210) is connected. By forming on both inner side surfaces of the first auxiliary guide body 420 to correspond to the rails formed on the first linear bar 410 , the first auxiliary guide body 420 follows the first linear bar 410 . can be moved

The first guide part 400 is not limited to being provided on the other side of the lower end of the movable rack frame 210 as a configuration for stably supporting the movable rack frame 210, and the movable rack frame 210 It is applicable to be arranged in an appropriate position and number corresponding to the size and shape of the. As the first guide part 400 is provided, the movable rack frame 210 moves along the first rotation axis 220 and can be stably moved and supported when the position is changed.

Referring to FIG. 9 , the horizontally variable rack unit 300 is provided in each of the plurality of moving rack frames 210 , and a plurality of supporting frames 310 provided horizontally along the longitudinal direction of the moving rack frame 210 . ) is included. The horizontal variable rack unit 300 is capable of controlling the position of each of the plurality of support frames (310). Therefore, by adjusting the position of the support frame 310, it is possible to adjust the height of the space in which the article is stored. Also, the article may be disposed on the upper surface of the support frame 310 . In other words, the article is disposed on the upper surface of a pair of support frames 310 or one support frame 310 provided to face each other among the plurality of movable rack frames 210 to face each other. It is possible. The horizontally variable rack part 300 includes a second rotation shaft 320 , a plurality of support frames 310 , a second clutch part 330 , and a second fixing part 340 .

The second rotation shaft 320 is rotatably coupled to one end side of the movable rack frame 210 . The second rotation shaft 320 is preferably coupled to both ends of one end of the movable rack frame (210). The second rotation shaft 320 is preferably disposed vertically together on the side of the movable rack frame 210 disposed in the vertical direction. In detail, coupling members 321 are provided on both sides of the upper and lower ends of the movable rack frame 210 to protrude, and the second rotation shaft 320 is the coupling member 321 at the top and the coupling member at the bottom. At 321, both ends are provided to be rotated by the driving unit. In other words, it is preferable that the second rotation shaft 320 has a screw thread formed on its outer circumferential surface.

The plurality of support frames 310 are respectively horizontally arranged along the longitudinal direction of the movable rack frame 210 . The plurality of support frames 310 may be movably coupled along the second rotation shaft 320 . The horizontally variable rack unit 300, an article may be provided on the upper surface of one supporting frame 310, on the opposite side of the moving rack frame 210 adjacent to each other among the plurality of moving rack frames 310 One article may be provided above the pair of support frames 310 provided respectively. That is, according to the size of the article, it can be disposed on the upper surface of a plurality of support frames or on the upper surface of a pair of support frames. In addition, by controlling the positions of the plurality of support frames 310, it is possible to adjust the height of the space in which the article is stored in accordance with the size of the article. To this end, the support frame 310 may include a first support frame 310a and a second support frame 310b.

The first supporting frame 310a is a supporting frame 310 coupled to one side of one of the moving rack frames 210a among the neighboring moving rack frames 210, and a plurality of first supporting frames 310 spaced apart from each other are disposed. and a support plate 311 . The first support plate 311 is formed as a bar-shaped plate and spaced apart from each other, and a first support groove 311h may be formed in the space where the first support plate 311 is spaced apart.

The second supporting frame 320a is a supporting frame 310 coupled to the other side of the other moving rack frame 210b among the neighboring moving rack frames 210, and the first supporting frame 310a ) is placed to face the The second support frame 320a includes a plurality of second support plates 312 spaced apart from each other. The second support plate 312 is formed as a bar-shaped plate and spaced apart from each other, and a second support groove 312h may be formed in the space where the second support plate 312 is spaced apart. The plurality of second support plates 312 can be inserted into spaces in which the plurality of first support plates 311 are spaced apart.

That is, when the distance between the adjacent movable rack frames (210a, 210b) is narrowed, the plurality of second support plates (312) in the first support groove (311h), which is a spaced space of the plurality of first support plates (311). can be inserted, and at the same time, the plurality of first support plates 311 can be inserted into the second support grooves 312h that are spaced apart spaces of the plurality of second support plates 312 . That is, by adjusting the spacing of the plurality of movable rack frames 210 according to the size of the article, the article can be easily provided on the upper surface of the support frame 310, and in the spaced apart space of the plurality of first support plates 311. The plurality of second support plates 312 are configured to be inserted, so that even when the distance between the plurality of movable rack frames 210 is narrowed, the adjacent support frames 310 do not interfere with each other and can be adjusted smoothly. All. Therefore, there is an advantage in that it is possible to accommodate articles of various sizes.

On the other hand, it is preferable that the ends of the outer surfaces of the plurality of first support plates 211 and the plurality of second support plates 312 are round, and the plurality of first support grooves 311h and the plurality of second support plates 312 are round. The inner side end of the groove 312h is preferably rounded. Therefore, when the plurality of first support plates 211 are inserted into the second support grooves 312h, and the plurality of second support plates 312 are inserted into the first support grooves 311h, they are further formed by a round shape. Easy to insert.

10 and 11 , the second clutch unit 330 couples the plurality of support frames 310 and the second rotation shaft 320 to control the position of the support frame 310 . That is, the second clutch unit 330 may include a moving unit 331 and a movement control unit 332 .

The moving part 331 may move the support frame 310 by being coupled to the support frame 310 and moving along the second rotation shaft 320 . That is, the moving part 331 is provided in each of the plurality of support frames 310, and the positions of the plurality of support frames 310 are controlled by the moving part 331, respectively, so that the space in which the goods are loaded can be varied. have. The moving unit 331 includes a moving body 3311 having teeth 3312 formed on its outer peripheral surface and a moving frame 3313 .

The moving frame 3313 is a frame coupled to the second rotation shaft 320 , and is coupled to the second rotation shaft 320 through a space through which the center is penetrated.

The movable body 3311 is coupled to the second rotational shaft 320 to move along the second rotational shaft 320 , and is coupled to the penetrating center of the movable frame 3313 . The movable body 3311 has an inner circumferential surface coupled to the second rotary shaft 320 , and more specifically, a screw thread corresponding to the screw thread formed on the outer circumferential surface of the second rotary shaft 320 is formed to be screwed to each other. Accordingly, when the second rotation shaft 320 rotates, the movable body 3311 is movable along the screw thread. A configuration for controlling the movable body 3311 to be movable is the second clutch unit 330, which will be described in detail later.

It is preferable that a plurality of teeth 3312 are formed on the outer peripheral surface of the movable body 3311 . The plurality of teeth 3312 are formed to protrude at equal intervals along the outer circumferential surface of the movable body 3311 , and are preferably formed on the central side of the movable body 3311 .

The movement control unit 332 is selectively coupled to the moving unit 331 to control the movement of the moving unit 331 , and includes a clutch body 3321 and a control cylinder 3322 .

The clutch body 3321 is provided in the moving frame 3313 and disposed on one side of the moving body 3311 . A meshing portion 3323 is formed on one surface of the clutch body 3321 facing the outer circumferential surface of the movable body 3311 . The engaging portion 3323 is formed to protrude to correspond to the teeth 3312 and is selectively coupled to the teeth 3312 in order to control the movement of the movable body 3311 . In other words, it is preferable that the engaging portion 3312 of the clutch body 3321 is coupled to the teeth 3312 and simultaneously presses the movable body 3311 . Therefore, in the movable body 3311 pressed by the engaging portion 3312 , the screw thread formed on the inner circumferential surface is engaged with the second rotary shaft 320 , so that the movable body 3311 is movable along the second rotary shaft 320 . . Conversely, when the engaging portion 3323 is separated from the teeth 3312 and does not press the movable body 3311 , the movable body 3311 rotates idle on the second rotation shaft 320 .

That is, when the teeth 3312 and the meshing part 3323 are coupled, the movable body 3311 is pressed so that the movable part 331 is movable according to the rotation of the second rotating shaft 320 , and the teeth When the 3312 and the meshing part 3323 are separated, the moving part 331 idles on the second rotational shaft 320 , thereby maintaining a position without moving along the second rotational shaft 320 . .

The control cylinder 3322 is for controlling the movement of the clutch body 3321 and is coupled to one end of the clutch body 3321 . Specifically, since the control cylinder 3322 includes a moving cylinder, it is preferable that the moving cylinder of the control cylinder 3322 and one end of the clutch body 3321 are coupled. Therefore, when the movable cylinder of the control cylinder 3322 is extended, the clutch body 3321 moves to the outside of the movable body 3311, and the engaging portion 3323 and the movable body 3311 can be separated. , when the moving cylinder of the control cylinder 3322 is contracted, the clutch body 3321 moves to the moving body 3311 side so that the engaging part 3323 and the moving body 3311 are coupled, and the moving body 3311 ) can be pressurized.

The first fixing unit 240 is for stably fixing the position of the moving unit 331 when the moving body 2311 is idling on the first rotating shaft 220,

The second fixing part 340 is for stably fixing the position of the movable part 331 when the movable body 3311 idly rotates on the second rotation shaft 220, and the second clutch part 330 ) is selectively fixedly coupled. The second fixing part 340 includes a second position fixing bar 341 and a second fixing pad 342 .

The second position fixing bar 341 is fixedly coupled to the side surface of the movable rack frame 210, and a sawtooth surface 3411 is formed on one surface. That is, the second position fixing bar 341 is preferably disposed in a direction perpendicular to both sides of the movable rack frame 210 , and the second position fixing bar 341 is parallel to the second rotation axis 320 . are spaced apart in the direction

The second fixing pad 342 is configured to be selectively coupled to the toothed surface 3411, and the second fixing pad 342 is coupled to the second clutch part 330, and the toothed surface ( A coupling tooth 3421 that is selectively coupled to 3411 is formed. The coupling tooth 3421 is coupled to the tooth surface 3411 to stably fix the position of the moving part 331 . That is, the second fixing pad 342 is coupled in the moving frame 3313, and the tooth surface 3411 and the coupling tooth 3421 are coupled to thereby stably fix the movement of the moving part 331. have. The second fixing pad 342 is movable in response to the coupling of the teeth 3312 and the meshing part 3323, and when the teeth 3312 and the meshing part 3323 are coupled, the coupling teeth (3421) the toothed surface 3411 is separated so that the movable part 331 is movable along the second rotational shaft 320, and the tooth 3312 and the meshing part 3323 are separated, The coupling tooth 3421 may be coupled to the tooth surface 3411 to stably fix the position of the moving part 331 .

To paraphrase, the second fixing pad 342 is provided on the other surface of the clutch body 3321, and moves in response to the movement of the clutch body 3321, so that the coupling tooth 3421 and the tooth surface 3411 are provided. can be selectively combined.

Next, an operation process of the second clutch unit 330 will be described in detail. When the clutch body 3321 moves toward the movable body 3311 and the teeth 3312 and the meshing part 3323 are coupled, the movable body 3311 is screwed with the second rotation shaft 320 and the first It is movable along the second rotational shaft 320 , and at the same time, the second fixing pad 342 connected to the clutch body 3321 moves, so that the coupling tooth 3421 is separated from the tooth surface 2411 .

Conversely, when the clutch body 3321 moves to the outside of the movable body 3311 and the teeth 3312 and the meshing part 3323 are separated, the movable body 3311 rotates at idle on the second rotating shaft 320 . and the second fixing pad 342 connected to the clutch body 3321 moves toward the toothed surface 3411 and is coupled to the coupling tooth 3421 and the toothed surface 3411 . Accordingly, the position of the moving part 331 can be stably fixed by the coupling of the coupling tooth 3421 and the tooth surface 3411 of the second fixing pad 342 .

That is, when the tooth 3312 and the meshing part 3323 are separated, the second fixing pad 342 is coupled to the toothed surface 3411 , and the tooth 3312 and the meshing part 3323 are coupled to each other. In this case, the second fixing pad 342 may be separated from the toothed surface 3411 .

The second guide part 500 is for structurally reinforcing the movement of the support frame 310 , and includes a second linear bar 510 , a second auxiliary guide body 520 , a guide bar 530 , and a combined body. contains (531)

The second linear bar 510 is preferably fixedly coupled to both sides of the movable rack frame 210 and disposed in the vertical direction. Rails may be formed on both sides of the second linear bar 510 .

The second auxiliary guide body 520 has one side coupled to the second linear bar 510 , and the other side coupled to the supporting frame 310 , and the second linear bar 510 and the supporting frame 310 . ) are connected. The second auxiliary guide body 520 is formed on both inner side surfaces of the second auxiliary guide body 520 to correspond to the rails formed on the second linear bar 510 , so that the second auxiliary guide body 520 follows the second linear bar 510 . Move.

The guide bar 530 is vertically disposed on the other side of the movable rack frame 210 . The guide bar 530 preferably has a cylindrical shape. The coupling body 531 is coupled to the support frame 310 and is movable along the guide bar 530 .

Accordingly, the second linear bar 510 is coupled to one side of the support frame 310 , and the guide bar 530 is coupled to the other side of the support frame 310 to stably support the support frame 310 . can support

The second guide part 500 is configured to stably support the support frame 310 and is not limited to being provided on one side and the other side of the support frame 310 , and the size of the support frame 310 . And it is applicable to be arranged in an appropriate position and number corresponding to the shape. As the second guide part 500 is provided, the support frame 310 moves along the second rotation shaft 320 and can be stably moved and supported when the position is changed.

14 to 16 , the direction changing unit 700 is for changing the arrangement direction of the article, and is provided on one side of the vertical rack frame 100 . That is, the direction change unit 700 is provided between the vertical rack frame 100 and the vertical variable rack unit 200, and an article can be mounted on the upper surface. The direction change unit 700 may include a direction change plate 710 , a plurality of direction change rollers 720 , and a direction change drive unit 730 .

The direction changing plate 710 is horizontally coupled to one side of the vertical rack frame 100 in a plate shape. That is, the article is seated on the upper surface of the turning plate 710 .

The plurality of direction changing rollers 720 are for changing the arrangement direction of the article (B) by rotating, and are rotatably provided on the turning plate 710 . The plurality of direction conversion rollers 720 are arranged spaced apart from each other in a plurality of transverse and longitudinal directions. The plurality of direction conversion rollers 720 are arranged in a transverse direction and a plurality of direction conversion rollers 720a to rotate and a plurality of direction conversion rollers 720a and a plurality of direction conversion rollers 720a arranged in the transverse direction are arranged in a vertical direction so that the rotation shaft is arranged in a vertical direction. It consists of a plurality of direction changing rollers (720b) arranged to rotate. It is possible to change the arrangement direction of the article (B) disposed on the upper surface by rotating the plurality of direction changing rollers 720 at each position.

The direction conversion driving unit 730 is for rotationally driving the plurality of direction conversion rollers 720 , respectively, and is coupled to the direction conversion plate 710 . The direction conversion driving unit 720 is connected to a plurality of direction conversion rollers 720 disposed in the longitudinal and transverse directions, respectively, and provides a driving force for rotating each direction conversion roller 720 at each position.

The recognition unit 800 is for recognizing product information such as the size of the product, and is installed to be spaced apart from one side of the direction change unit 700 . It is preferable that the recognition unit 800 recognizes information about the article seated on the direction change unit 700 , and more specifically, it is preferably installed on the vertical rack frame 100 . The recognition unit 800 may scan and recognize the size of the article. The recognition unit 800 is not limited to recognizing the size of the product, and may be applied to recognize the type, delivery address, arrangement state, etc. of the product. In addition, the recognition unit 800 may be applied to recognize the article information by recognizing the shape through a vision (Vision).

On the other hand, the direction change unit 700 is connected to the recognition unit 800, and drives the direction change unit 700 according to information such as the arrangement state and size of the article recognized by the recognition unit 800 to drive the article. change the direction of In addition, the direction changing unit 700 changes the direction of the product according to the information of the product recognized by the recognition unit 800 , so that it can be changed in an appropriate direction to be transmitted to the product transport unit 600 , which will be described later.

Referring to FIG. 12 , the article transport unit 600 transports articles to be seated on the upper surface of the support frame 310 , and is movable between the pair of vertical rack frames 100 . The article transfer unit 600 transfers the article seated on the direction change unit 700 to the support frame 310 . The article transfer unit 600 includes a transfer rail unit 610 and a robot arm unit 620 .

The transport rail unit 610 is a guide rail for the product transport unit 600 to transport the goods, and is coupled to the vertical rack frame 100 . The transport rail unit 610 includes a horizontal transport shaft 611 , a vertical transport shaft 612 , and a guide transport shaft 613 .

Both ends of the horizontal transfer shaft 611 are coupled to the pair of vertical rack frames 100 and are horizontally disposed. The horizontal transfer shaft 611 is preferably coupled to the lower center of the vertical rack frame (100). That is, one end of the horizontal transfer shaft 611 is coupled to the lower end of one vertical rack frame 100 , and the other end is coupled to the lower end of the other vertical rack frame 100 , and is rotated by a driving unit to be described later. ) to horizontally move the robot arm unit 620 . In other words, it is preferable that the horizontal transfer shaft 611 has a screw thread formed on the outer circumferential surface.

The guide transport shaft 613 has both ends coupled to the pair of vertical rack frames 100 and is horizontally arranged to assist the horizontal transport shaft 611 . The guide transfer shaft 613 is coupled to the lower central portion of the vertical rack frame 100, it is preferable that a pair is disposed on both sides of the horizontal transfer shaft 611 and spaced apart from the horizontal transfer shaft 611. In other words, it is preferable that the guide transport shaft 613 is also coupled to the upper center of the vertical rack frame 100 . That is, it is preferable that the guide transport shaft 613 is coupled to the upper and lower portions of the vertical rack frame 100 in pairs. In other words, one end of the pair of guide transport shafts 613 is coupled to the lower end of one vertical rack frame 100 , and the other end is coupled to the lower end of the other vertical rack frame 100 .

The vertical transfer shaft 612 is for moving the robot arm unit 620 in the vertical direction, is vertically coupled to the horizontal transfer shaft 611 , and is movable along the horizontal transfer shaft 611 . In other words, it is preferable that the vertical transfer shaft 612 is configured as a pair and spaced apart from each other. That is, the robot arm unit 620 is capable of horizontal movement by moving the vertical transfer shaft 612 in the horizontal direction along the horizontal transfer axis 611, and the robot arm unit 620 is the vertical transfer shaft 612. Vertical movement is possible by moving along

Referring to FIG. 13 , the robot arm unit 620 is for transporting articles, and includes a moving body 621 , an end effector 622 , a robot arm 623 , and an auxiliary support plate 624 .

The moving body 621 is coupled to the transfer rail unit 610 and moves along the transfer rail unit 610 . In other words, the movable body 621 is coupled to the vertical transfer shaft 612 and is movable along the vertical transfer shaft 612 . It is preferable that the movable body 621 is further provided with an auxiliary shaft rail 6211 movable along the longitudinal direction of the movable body 621 therein.

The end-effector (End-effector; 622) is for transferring the article in contact with the article, it is provided at the end of the robot arm (623). That is, the end effector 622 can be moved by the movement of the transfer body 621 to transfer the article to an appropriate position. That is, the end effector 622 is disposed to be spaced apart from the transfer body 621, and is in contact with the article. In other words, the end effector 622 is preferably configured to enable adsorption. Accordingly, the end effector 622 may come into contact with the surface of the article and transfer the article by the adsorption force.

The robot arm 623 has one end coupled to the transfer body 621 , and the other end coupled to the end effector 622 , and includes a plurality of arms. That is, one end of the robot arm 623 is rotatably coupled to the transfer body 621 , and the other end is rotatably coupled to the end effector 622 , and is composed of a plurality of arms and is rotatable. That is, by rotating the robot arm 623, it can move together with the end effector 622, and the end effector 622 moves to an appropriate position according to the rotation direction of the robot arm 623 to support the article. It is transferable to the frame 310 . In other words, one end of the robot arm 623 is rotatably coupled to the auxiliary shaft rail 6211, so that the robot arm unit 620 is preferably configured to be capable of six-axis operation. However, the robot arm unit 620 is not limited to 6-axis operation, and may be appropriately changed to 9-axis or the like according to the size and article of the variable rack system 10 .

The auxiliary support plate 624 is provided on one side of the end effector 622 to assist when the end effector 622 adsorbs and moves the article. That is, the article is disposed on the upper surface of the auxiliary support plate 624, and when moving the heavy article, it is possible to prevent the article from falling in advance, thereby enabling stable transport.

On the other hand, the vertical variable rack portion 200 is preferably provided with a pair of spaced apart from each other on both sides of the vertical rack frame (100). Accordingly, the article transfer unit 600 is coupled to the center of the vertical rack frame 100 and transported along the vertical and horizontal directions, thereby providing a pair of vertically variable units coupled to both sides of the vertical rack frame 100 . It is possible to easily transfer the article to the support frame 310 provided in the rack unit 200 .

In the variable rack system 10 according to the present invention, the width of the space in which the goods are loaded can be adjusted by the vertical variable rack unit 200 , and the height of the space in which the goods are loaded can be adjusted by the horizontal variable rack unit 300 . By adjusting the width and height of the space to be loaded according to the size of the goods, the space utilization of the goods is high.

In addition, the plurality of movable rack frames 210 and the plurality of support frames 310 are provided with clutch parts 230 and 330, respectively, to simplify the driving structure and adjust the space in which the goods are loaded according to the size of the goods in a simple way. High usage efficiency.

In addition, by changing the direction of the product by the direction changing unit 700 according to the information of the product recognized by the recognition unit 800 , it is possible to change the direction in an appropriate direction to be transmitted to the product transport unit 600 and use the product transport unit 600 . Thus, the goods can be transported in the horizontal and vertical directions to be seated on the upper surface of the support frame 310, which is effective for storing and loading goods.

Although the present invention has been described with reference to the embodiment shown in the drawings, which is merely exemplary, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10: variable rack system 100: vertical rack frame
200: vertical variable rack unit 210: movable rack frame
220: first rotation shaft 230: first clutch part
231: moving unit 2311: moving body
2312: cog 2313: moving frame
232: movement control unit 2321: clutch body
2322: control cylinder 2323: meshing part
240: first fixing part 241: first position fixing bar
2411: tooth surface 242: first fixing pad
2421: coupling tooth 243: moving bar
2431: first elastic body 244: rotating body
2441: second elastic body 300: horizontal variable rack portion
310: support frame 311: first support plate
311h: first support groove 312: second support plate
312h: second support groove 320: second rotation shaft
321: coupling member 330: second clutch part
331: moving unit 3311: moving body
3312: gear 3313: moving frame
332: movement control unit 3321: clutch body
3322: control cylinder 3323: meshing part
340: second fixing part 341: second position fixing bar
3411: toothed surface 342: second fixing pad
3421: coupling tooth 400: first guide part
410: first linear bar 420: first auxiliary guide body
500: second guide part 510: first linear bar
520: second auxiliary guide body 530: guide bar
531: assembly 600: goods transfer unit
610: transfer rail unit 611: horizontal transfer shaft
612: vertical feed axis 613: guide feed axis
620: robot arm 621: moving body
6211: auxiliary axis rail 622: end effector
623: robot arm 624: auxiliary support plate
700: direction change unit 710: direction change plate
720: direction change roller 730: direction change drive unit
800: recognition unit

Claims (11)

A pair of vertical rack frames spaced apart from each other;
A plurality of movable rack frames are vertically provided between the pair of vertical rack frames, and a vertically variable rack unit capable of position control, respectively;
a horizontally variable rack unit having a plurality of supporting frames horizontally provided along the longitudinal direction of the movable rack frame and capable of position control;
a direction changing unit provided on one side of the vertical rack frame so that an article can be seated, and having a plurality of direction changing rollers;
a recognition unit installed on one side of the direction change unit to recognize information on an article seated in the direction change unit; and
It is movable between the pair of vertical rack frames, and includes an article transfer unit for placing the article seated on the direction changing pad on the upper portion of the support frame,
The vertical variable rack unit,
A first rotating shaft having both ends coupled to the lower portion of the pair of vertical rack frames to rotate;
A plurality of movable rack frames coupled to be movably along the first axis of rotation;
a first clutch unit coupling the plurality of moving rack frames and the first rotation shaft and controlling a position of the moving rack frame;
Variable rack system including a first fixing part to which the first clutch part is selectively fixedly coupled. delete The method according to claim 1,
The first clutch unit,
A moving part to which the moving rack frame is coupled and moving along the first rotational axis, the moving unit including a moving body having teeth formed on its outer circumferential surface;
A variable rack system comprising a movement control unit for controlling the movement of the moving unit, including a meshing unit selectively coupled to the moving body. The method according to claim 1,
The first fixing part,
Both ends are fixedly coupled to the lower portion of the pair of vertical rack frames, and a position fixing bar having a sawtooth surface formed on one surface thereof;
A variable rack system comprising a fixing pad coupled to the first clutch unit and having coupling teeth selectively coupled to the toothed surface on one surface thereof. A pair of vertical rack frames spaced apart from each other;
A plurality of movable rack frames are vertically provided between the pair of vertical rack frames, and a vertically variable rack unit capable of position control, respectively;
a horizontally variable rack unit having a plurality of supporting frames horizontally provided along the longitudinal direction of the movable rack frame and capable of position control;
a direction changing unit provided on one side of the vertical rack frame so that an article can be seated, and having a plurality of direction changing rollers;
a recognition unit installed on one side of the direction change unit to recognize information on an article seated in the direction change unit; and
It is movable between the pair of vertical rack frames, and includes an article transfer unit for placing the article seated on the direction changing pad on the upper portion of the support frame,
The horizontal variable rack unit,
a second rotation shaft rotatably coupled to both sides of the movable rack frame;
A plurality of support frames coupled to be movably along the second axis of rotation;
a second clutch unit coupling the plurality of support frames with the second rotation shaft and controlling the position of the support frame;
Variable rack system including a second fixing part to which the second clutch part is selectively fixedly coupled. 6. The method of claim 5,
The second fixing part,
A position fixing bar having a toothed surface on one surface coupled to a side surface of the movable rack frame;
A variable rack system comprising a fixing pad coupled to the second clutch unit and having a coupling tooth selectively coupled to the tooth surface on one surface thereof. 6. The method according to claim 1 or 5,
The goods transport unit,
a transfer rail unit coupled to the vertical rack frame;
A variable rack system including a robot arm that moves along the transfer rail and transfers an article. 8. The method of claim 7,
The transfer rail unit,
A horizontal transfer shaft having both ends respectively coupled to the pair of vertical rack frames and arranged horizontally;
A variable rack system that is vertically coupled to the horizontal transfer axis, and includes a vertical transfer axis movable along the horizontal transfer axis. 8. The method of claim 7,
The robot arm unit,
a moving body moving along the transfer rail;
an end effector disposed to be spaced apart from the transfer body and in contact with the article;
A variable rack system comprising a robot arm having one end coupled to the transfer body, the other end coupled to the end effector, and a plurality of arms. 6. The method according to claim 1 or 5,
The direction change unit,
a direction change plate horizontally coupled to one side of the vertical rack frame;
A plurality of direction changing rollers rotatably provided on the direction changing plate,
A variable rack system including a direction change driving unit for driving the plurality of direction change rollers, respectively. 11. The method of claim 10,
The direction change unit,
A variable rack system connected to the recognition unit to change the direction of the article by driving the direction change unit according to the information of the article recognized by the recognition unit.

Images