KR20230042985A - A System for Delivering a Tray Stack - Google Patents

Abstract

The present invention relates to a tray supply system of a stack transfer method. The tray supply system of the stack transfer method comprises: a tray stack movement module (11) that moves at least one tray stack formed by stacking a plurality of trays; a tray separation module (12) that separates one tray from the tray stack moved to a designated position; a tray inducement module (13) that induces each separated tray to a pick-up position; and a discharge module (14) that moves and discharges a discharge tray stack formed by stacking the picked-up empty tray. Therefore, the present invention is capable of improving a tray supply efficiency.

Description

Stack transfer type tray supply system {A System for Delivering a Tray Stack}

The present invention relates to a tray supply system of a stack transfer method, and more specifically, to a feeder for supplying a tray stack, and more specifically, to a stack transfer that moves a plurality of tray stacks in which a plurality of trays are stacked in a multi-stage manner and supplies them to a pick-up position. It relates to a tray supply system of the method.

Various types of electronic parts or elements may be supplied by the feeder, and may be supplied by a tray or a tape feeder depending on the storage form of the electronic parts or electronic elements. Patent Publication No. 10-2003-0000115 discloses a stacker for a tray feeder. Patent Registration No. 10-1150164 discloses a tape feeder for supplying electronic components to a surface mounting machine for mounting electronic components on a board. In addition, Patent Registration No. 10-1604044 discloses a tray feeder having a multi-stack structure. Electronic parts need to be continuously supplied in various types of production processes that proceed with an automated process, and for this purpose, electronic parts stored on trays or tapes need to be efficiently transferred to a pick-up position. For example, it is advantageous that the trays on which the electronic components are arranged are transported to the pick-up position by moving a short distance as possible. However, the prior art does not disclose a tray supply system having such a structure.

The present invention is to solve the problems of the prior art and has the following object.

Prior Art 1: Patent Publication No. 10-2003-0000115 (Mirae Industry Co., Ltd., published on January 6, 2003) Stacker for tray feeder Prior Art 2: Patent Registration No. 10-1150164 (Mirae Industry Co., Ltd., 2012.05.25. Notice) Tape Feeder Prior Art 3: Patent Registration No. 10-1604044 (ESTS Co., Ltd., 2016.03.16. Notice) Multi-stack structure tray feeder

An object of the present invention is to move a plurality of tray stacks formed by stacking a plurality of trays along a multi-stage transport path, and then separate each tray and supply them to a pick-up position to improve tray supply efficiency. is to provide

According to a preferred embodiment of the present invention, the tray supply system of the stack transfer method includes a tray stack movement guide for moving at least one tray stack formed by stacking a plurality of trays; a tray separation module separating one tray from the tray stack moved to a predetermined position; a tray guide module for guiding each of the separated trays to a pick-up position; and a discharge module that moves and discharges the discharge tray stack formed by stacking the picked-up empty trays.

According to another preferred embodiment of the present invention, a plurality of tray stacks are moved step by step along a linear path during feeding or discharging.

According to another preferred embodiment of the present invention, the trays are separated from the tray stack by an elevating elevator capable of moving up and down.

According to another preferred embodiment of the present invention, trays are fed to one or more pick-up locations by a tray guidance module.

According to another preferred embodiment of the present invention, the tray separation module has a tray transfer function for moving empty trays.

According to another preferred embodiment of the present invention, the transport paths of the tray stack and the discharge tray stack are parallel.

According to another preferred embodiment of the present invention, a method of supplying trays to a pick-up position includes stacking a plurality of trays to form a tray stack; moving the formed tray stack along a multi-stage transport path; Separating and transporting one tray from the tray stack; Step of one separated tray being in a stand-by state; moving the standby tray to a pick-up position and separating another tray from the tray stack; When the pick-up is completed, the empty tray is discharged to form a discharge tray stack; moving another tray to a pick-up position; and discharging the discharge tray stack along a predetermined path.

The tray supply system of the stack transfer method according to the present invention forms and transfers a stack structure in which a plurality of trays are stacked in a vertical direction so as to improve tray transfer efficiency. In addition, in the supply system according to the present invention, the tray stack is transported in a multi-stage manner along a linear path so that a plurality of tray stacks can be moved to supply trays, thereby enabling efficient tray supply automation. In the supply system according to the present invention, an empty tray in which all parts are picked up and a tray loaded with parts to be picked up are replaced by moving the shortest distance. As a result, the efficiency of the automated process is improved while the component transfer efficiency is improved. The supply system according to the present invention can be applied, for example, to the supply of a Jedec Tray of parts corresponding to the Jedec Publication 95 international standard for supplying electronic parts to a chip mounter. By the feeder according to the present invention, the Jedec Tray can be loaded up to 40 layers based on the thickness of 7.62mm and can be input up to 200 sheets, and through communication with the chip mounter, the Jedec Tray is transported to the area where the pick-up operation of the chip mounter is possible. . The feeder according to the present invention makes it possible to additionally insert the Jedec Tray in the process of pick-up in the chip mounter. Afterwards, the completed Jedec Tray is loaded up to 30 layers through the dump area, and up to 180 sheets can be discharged, and additional discharge is possible during the pickup process. The system according to the present invention can be applied to supplying trays of various sizes or types and is not limited to the presented embodiments.

1 shows an embodiment of a tray supply system of a stack transfer method according to the present invention.
Figure 2 shows an embodiment of the process of separating and discharging trays in the supply system according to the present invention.
Figure 3 shows an embodiment of a feed feeder for a system according to the present invention.
4 illustrates an embodiment of a separation module applied to the system according to the present invention.
5 illustrates an embodiment of a pickup induction module applied to the system according to the present invention.
6 and 7 show an embodiment of a structure in which trays are supplied and discharged to the supply feeder of the system according to the present invention.
8 shows another embodiment of a feed feeder for a system according to the present invention.
9 and 10 illustrate an embodiment of a process in which trays are supplied and discharged from the supply feeder of FIG. 8 .
11 shows an embodiment of a tray supply method by the system according to the present invention.

Below, the present invention will be described in detail with reference to the embodiments presented in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so repeated descriptions are not made unless necessary for understanding the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment of.

1 shows an embodiment of a tray supply system of a stack transfer method according to the present invention.

Referring to FIG. 1 , the tray supply system of the stack transfer method includes a tray stack movement guide 11 for moving at least one tray stack formed by stacking a plurality of trays; A tray separation module 12 separating one tray from the tray stack moved to a predetermined position; A tray guide module 13 for guiding each separated tray to a pick-up position; and a discharge module 14 for moving and discharging the discharge tray stack formed by stacking the picked-up empty trays.

The tray may have a rectangular plate shape, and a plurality of electronic components may be aligned and stacked on an upper portion of the tray. The tray may have a predetermined standard and may have a structure in which a predetermined part may be loaded. The trays may have a structure capable of being stacked in a vertical direction, and a plurality of trays may be stacked in a vertical direction to form a tray stack. A tray stack refers to a tray or a plurality of trays having the same or similar shape that can be formed in a stacked form or stacked structure as a whole while forming layers with each other, or a plurality of trays formed in this structure. When the tray stack is formed, the tray stack may be moved by the tray stack moving module 11 . The tray stack module 11 can move at least one tray stack, preferably a plurality of tray stacks along a linear direction. Also, the tray stack module 11 may move a plurality of linearly arranged tray stacks step by step. Accordingly, the plurality of tray stacks can be sequentially moved to a predetermined position according to the arrangement order. When the first tray stack located at the front of the plurality of tray stacks located on the movement path of the tray stack reaches a predetermined position through a step-by-step movement process, each tray may be separated from the first tray stack. A tray positioned at the top of the first tray stack may be separated from the first tray stack and moved to a standby position by the tray separation module 12 . The tray separation module 12 separates each tray and moves it upward, for example, to position it in a standby position. Each tray from the upper tray of the first tray stack to the last lower tray may be separated from the first tray stack and moved to a standby position. In this way, when all the trays of the first tray stack are separated by the tray separation module 12 and moved to the standby position, the second tray stack may be moved to the position of the first tray stack. A tray in a standby position may be moved to a pick-up position by the tray guidance module 13 . The tray guidance module 13 may move a tray located in a standby position to a pick-up position, and at least one pick-up position may be formed. For example, two pick-up locations may be formed, and two stand-by locations may be formed. The two standby positions may be formed vertically or horizontally, and each tray located at each standby position may be moved to the first and second pick-up positions. When the tray located in the standby position is moved to the pick-up position, the tray separated from the tray stack by the tray separation module 12 may be moved to the standby position as described above.

At the pick-up position, the parts loaded on the tray are picked up by the pick-up means and can be mounted or placed on various types of electronic products, and when all parts are picked up, the tray becomes an empty tray state. Such an empty tray may be moved to the discharge position by the tray guide module 13 or other suitable means. In this way, the tray guidance module 13 may move the tray from the standby position to the pick-up position or move the tray from the pick-up position to the standby position. Alternatively, it can be moved directly from the pick-up location to the discharge location. A discharge path may be formed from the discharge position, and a plurality of empty trays may be stacked to form a discharge tray stack. The discharge tray stack can be moved by the discharge module 14, and the discharge tray stack can be moved step by step along a linear movement path identical to or similar to the input tray stack. A plurality of discharge tray stacks may be located in the discharge path, and the discharge module 14 may move the discharge tray stacks along the discharge path step by step. The input path and the discharge path may be positioned side by side up and down, and the discharge direction may be opposite to the input direction. The empty tray may be discharged by the discharge module 14 in various ways and is not limited to the presented embodiment.

Figure 2 shows an embodiment of the process of separating and discharging trays in the supply system according to the present invention.

Referring to FIG. 2, the process of supplying, separating, and discharging trays includes forming a tray stack in which a plurality of trays are stacked (P21); moving the plurality of tray stacks step by step along a linear path (P22); Separating each tray from one tray stack for the separation elevator and moving it to a standby position (P23); A step of moving and fixing the tray from the waiting position to the pickup position to pick up the part (P24); A step of transporting an empty tray from which parts are picked up to form a stack of discharge trays (P25); and moving the plurality of discharge tray stacks step by step along the discharge path (P26). The separation elevator may be included in the tray separation module described above, and may move the tray to a standby position while moving up and down. At least one stand-by position and a pick-up position can be formed, and the tray can be moved to the pick-up position by means of suitable guidance means. In the following, such means will be described in detail.

Figure 3 shows an embodiment of a feed feeder for a system according to the present invention.

Referring to FIG. 3, the tray supply feeder includes a tray stack moving module 11 into which a plurality of trays are input; A tray separation module 12 that separates the plurality of trays transported through the movement module 11 and moves them to a predetermined position; an induction module 13 for guiding each tray moved from the tray separation module 12 to at least one pick-up position; and a discharge module 14 for discharging the picked up empty tray.

A stacked tray refers to a tray that can be made in a stacked form or a stacked structure as a whole, or a plurality of trays formed in this structure, while forming a plurality of identical or similar shapes and forming layers with each other. Through the movement module 11, a plurality of trays may be formed in a stacked tray structure and moved along a linear movement path formed in the movement module 11. A plurality of trays may be moved along a moving path while forming a plurality of stack trays, the moving module 11 may be composed of a plurality of linear separation paths 11_1 to 11_N, and the stack tray may be a first linear separation path ( 11_1 to 11_N) can be moved step by step. Accordingly, a plurality of stack trays may be transferred to the linear guide paths 11_1 to 11_N. The tray may have a rectangular plate shape, the stack tray may have a hexahedron shape, and the linear separation paths 11_1 to 11_N may have a tunnel shape with a square cross section suitable for transferring the stack tray. A stack movement module 18 may be disposed below each linear separation path 11_1 to 11_N or at another suitable location to move the stack trays step by step along the linear separation paths 11_1 to 11_N. The stack moving module 18 is installed on the bottom surface of each linear separation path 11_1 to 11_N, and the stack tray operates the separation moving unit 18_1 to 18_1 supporting the lower part so that each stack tray is moved step by step. can do. The stack tray can be moved step by step along the linear separation paths 11_1 to 11_N in various ways and is not limited to the presented embodiment. An operation module 17 that sets or controls the overall operation of the tray feeder may be disposed. The operation module 17 may have a function of adjusting or controlling the operation of the entire feeder, and may include a control screen for operation of the feeder, operation buttons, or similar means for operation, setting or control. The operation module 17 may be installed in various positions of the feeder, and the present invention is not limited by the arrangement position or operation structure of the operation module 17.

When the frontmost stack tray of the moving module 11 is located at the end of the linear separation paths 11_1 to 11_N, each tray can be separated and moved to a predetermined position by the tray separation module 12. . The tray separation module 12 may include a shuttle elevator 121 that moves up and down along a pair of lift guide members 122a and 122b extending in a vertical direction while facing each other. The shuttle elevator 121 can move up and down along the lift guide members 122a and 122b, and separates the trays located at the top of the stack trays located in the Nth linear separation paths 11_1 to 11_N in an upward direction. can be moved to Also, the separated tray may be located in the induction module 13, and the separated tray may be moved to the induction module 13 from the shuttle elevator 121. The induction module 13 includes two transfer units 131 and 132 arranged vertically, and different trays can be transferred to different pickup positions by the two transfer units 131 and 132 . The first and second transfer units 131 and 132 may include, for example, conveyors that move trays in a horizontal direction. Also, each of the transfer units 131 and 132 may be connected to the first and second pick-up positions 31a and 31b. The shuttle elevator 121 may transfer the first separation tray to the first transfer unit 131 by separating one tray from the stack tray and moving upward. Then, the shuttle elevator 121 may move downward again to separate one tray from the stack tray and move upward. The shuttle elevator 121 may place the second separation tray in the second transfer unit 132 . The first and second separation trays located in each of the transfer units 131 and 132 may be moved to the first and second pick-up positions 31a and 31b, respectively. The first and second pick-up positions 31a and 31b may be disposed linearly with respect to the tray moving direction, and the first and second transfer units 131 and 132 may be disposed vertically. In this structure, a position control elevator 32 may be installed to move the first tray transferred along the first transfer unit 131 to the first pick-up position. The first and second pick-up positions may be located on the same plane, and a plurality of parts loaded on the first and second separation trays located at the first and second pick-up positions may be picked up by the pick-up unit. When all parts of the first separation tray are picked up, the empty first separation tray may be moved downward by the position control elevator 32 . And it can be moved in the direction of the shuttle elevator 121 along the first transfer unit 131 . Thereafter, the empty first separation tray may be guided by a pair of discharge guides formed above the shuttle elevator 121 and moved to the discharge module 14 . A plurality of parts disposed on the second separation tray located at the second pick-up position 31b can be picked up by the pick-up means, and when the second separation tray becomes empty, in the same or similar manner as the first separation tray. It can be discharged to the discharge module 14. The discharge module 14 may have the same or similar structure as the movement module 11 as a whole, and may be composed of a plurality of separate discharge paths 14_1 to 14_K. The discharge module 14 may be disposed above and below the movable module 11, for example, the discharge module 14 may be disposed above the movable module 11. A separate discharge unit supporting an empty stack tray may be disposed on a bottom surface of each separate discharge path 14_1 to 14_K, and the empty stack tray may be moved along the discharge module in a multi-stage movement method by the separate discharge unit. An emission control module 19 may be installed for the operation of each separate emission module. In this way, the empty stack tray can be moved to the discharge position in the same or similar way as the stack tray, and in this way, the tray or empty tray is moved in a multi-stage movement method in a stack structure, enabling process automation while improving parts supply efficiency. let it do

4 illustrates an embodiment of a separation module applied to the system according to the present invention.

Referring to FIG. 4 , the tray separation module 12 includes a shuttle elevator 121 having a pair of discharge operation units 42a and 42b extending to face each other and movable trays. Each tray may be separated from the stack tray by the shuttle elevator 121 and moved to a pick-up position via an induction module. In addition, empty trays can be moved from the induction module to the discharge module through the shuttle elevator 121 . The shuttle elevator 121 includes a pair of fixed blocks 41a and 41b disposed facing each other; a movement inducing unit 43 for inducing movement of one tray T from the stack tray while connecting the pair of fixing blocks 41a and 41b; and a pair of discharge operation units 42a and 42b formed above the pair of fixing blocks 41a and 41b. The tray separated from the stack tray can be moved to the induction module by the guide operation members 44a and 44b that are moved forward and backward by the transfer driving unit 46 . The pair of guide operation members 44a and 44b can be guided by the induction cylinders 48a and 48b, and the hooking members 27 are formed at the ends of the pair of guide operation members 44a and 24b to tray the tray. can be moved in a predetermined direction. When an empty tray is placed in the discharging operation units 42a and 42b from the induction module, the discharging operation units 42a and 42b having a conveyor structure are operated so that the empty tray can be moved from the induction module to the discharging module. The separation tray or empty tray can be moved in a variety of ways and is not limited to the presented embodiment.

5 illustrates an embodiment of a pickup induction module applied to the system according to the present invention.

Referring to FIG. 5 , the induction module includes a pusher module 51 that transfers a tray in a standby state from a standby position to a pick-up position PA. The tray T located in the standby module 13 may be moved to a pick-up position by the pusher module 51 . The pusher module 51 includes a rectangular plate-shaped base 511; a guide member 512 coupled to the base 511; a pusher unit 513 movable back and forth along the guide member 512; and a contact block 514 formed in front of the pusher unit 513 to contact the tray T. The guide member 512 may be linearly extended while being in a plate shape, and the pusher unit 513 may be a circular piston or cylinder structure that has a circular cross section and is movable forward or backward by a motor or similar driving means. there is. As the pusher unit 513 moves forward or backward, the contact block 514 can move back and forth, and the contact block 514 extends vertically with respect to the extension direction of the pusher unit 513 while extending the tray T. It may have a contactable part on the side. The contact block 514 may push and move the tray T to the pick-up position, and when the tray T is moved to the pick-up position PA, it may be moved backward and enter a standby state. The square plate-shaped tray T may be guided and moved by the movement guides 52a and 52b installed on both sides of the standby position and may be moved to the pick-up position PA. Clamp blocks 53a and 53b may be installed on both sides of the pick-up position PA to fix the tray T to the pick-up position. In addition, a limiting block 54 may be installed at the front of the pick-up position PA to limit the movement of the tray T in the forward direction and to stably fix the tray T to a predetermined position. The movement guides 52a and 52b, the clamp blocks 53a and 53b, and the limiting block 54 may be formed on the upper surface of the guide plate 55 having a rectangular edge shape, whereby the tray T is stably in standby. It can be moved from location to pickup location. The tray stack may be located in the standby position, and the tray T positioned at the top of the tray stack may be moved to a pick-up position. When all the parts of the tray T at the pick-up position are picked up, the empty tray T can be moved downward by the operation of the lifting means. At the same time, the tray stack in the standby position is moved upward by the operation of the lifting means, and the uppermost tray T can be moved to the pick-up position again by the pusher module 51 . The tray T can be moved from the stand-by position to the pick-up position in a variety of ways, and the present invention is not limited thereby.

6 and 7 show an embodiment of a structure in which trays are supplied and discharged to the supply feeder of the system according to the present invention.

6 and 7, a plurality of trays are formed in a stack tray structure and can be moved along linear transport paths 11_1 to 11_N. For example, 20 to 40 trays form one stack tray. can do. And, for example, four stack trays may be located in the linear movement paths 11_1 to 11_N. A first tray located at the top of the Nth stack tray may be moved to the first transfer unit 131 by the shuttle elevator 121 . Also, the first tray may be moved in the direction of the first pick-up position PA1. The first tray may be moved to the first pick-up position PA1 by the position control elevator 32 capable of moving up and down. In this process, the shuttle elevator 121 may separate the second tray again and place it in the second transfer unit 132 . Also, the second tray may be moved to the second pick-up position PA2 by the operation of the induction module 13 . In the transfer process of the second tray, the parts loaded on the first tray may be picked up by the pick-up unit. In addition, when all of the parts of the first tray are picked up, the parts of the second tray positioned at the second pick-up position may be picked up by the pick-up means. In this process, the first tray in an empty state is moved downward by the operation of the position control elevator 32, so that the first tray can be moved downward to the first transfer unit 131. In the process of being picked up at the second pick-up position PA2 , the first tray may be moved to the discharge module 16 via the first transfer unit 131 and the shuttle elevator 121 . Then, the shuttle elevator 121 moves downward again to separate the third tray from the stack tray and move it to the first transfer unit 131, and then move the third tray to the first pick-up position again. In this process, when all the parts of the second tray located at the second pick-up position PA2 are picked up, the parts of the third tray can be picked up again by the pick-up means. And together with this, the second tray can be moved to the discharge module 16 similarly to the process described above. In this way, in the process of transferring the parts, the tray filled with the parts and the empty tray are moved so that the pick-up efficiency is improved.

Referring to FIG. 7 , the tray T may include a rectangular plate-shaped tray body B and component cells C_1 to C_N arranged in a two-dimensional matrix on the tray body B. The tray T may be, for example, a part Jedec Tray corresponding to the Jedec Publication 95 international standard for supplying parts to a chip mounter. When the tray (T) becomes a Jedec Tray, up to 40 layers are loaded based on the thickness of 7.62mm, and up to 200 sheets can be put into the stack induction module (11), and each tray is picked up by the chip mounter through communication with the chip mounter. It can be transported to a pick-up location corresponding to an area where work is possible. "Nb Various trays (T) can be transferred to the pick-up position by the feeder according to the present description, and it is not limited by the type of tray (T).

8 shows another embodiment of a feed feeder for a system according to the present invention.

Referring to FIG. 8, the feeder further includes a linear feeder mounting module 80 in which a tape feeder can be installed. The linear feeder holding module 80 may be installed on the side of the feeder having a hexahedral shape as a whole, and the linear feeder holding module 80 may be made of an independent module structure and detachably coupled to the side of the feeder. The tape feeder may have, for example, a structure in which a tape with parts continuously stored in pockets is wound on a rotating reel. The tape unwound from the rotating reel can be guided along a defined path, and parts can be stored in pockets successively formed on the tape. And the pockets continuously formed on the base tape may be protected by the cover tape, and parts stored in the pocket may be exposed as the cover tape is peeled off. The tape feeder for supplying parts in this way can be linearly extended while having a thin overall thickness while having various structures capable of continuously supplying a plurality of parts linearly arranged on the tape. In addition, it may be made of a structure that can be detachably mounted on the linear feeder mounting module 80. The linear feeder mounting module 80 includes a support block 85 for fixing at least a portion of the tape feeder; Locking hooks 84a and 84b formed on the support block 85 to fix or separate the tape feeder; an exposed pick-up block 82 that separates the cover tape to expose the part; a cutter 83 for cutting the separated cover tape; a guide path 86 leading the part-removed base tape and the cut cover tape; and a collection box 67 for collecting the base tape and cover tape. The tape feeder can be made of various structures that can be coupled to the supply feeder while being able to supply parts, and is not limited to the presented embodiment.

9 and 10 illustrate an embodiment of a process in which trays are supplied and discharged from the supply feeder of FIG. 8 .

Referring to FIG. 9, the supply feeder includes an input module 11 into which a tray is input; The input tray is induction module 13; a pick-up position (PA) where parts loaded on the tray transported to the induction module 13 are fixed to be picked up and empty trays are discharged; A transport module 11 that allows a plurality of trays to be stacked and transported in a stack form; and a discharge module 14 for discharging the empty tray from which the parts have been picked up.

The input module 91 may have a shape suitable for inserting a tray. For example, the tray may be in the shape of a square plate and may include a square plate-shaped entrance of the input module 91, an entrance opening and closing means, a tray detection sensor, a tray alignment detection means, or other similar means for inserting the tray. . The input module 91 may be formed on the upper surface, and the tray may be loaded through the input module 91 at the upper portion and loaded into the transfer module 11 . An operation module 17 may be disposed at the front of the input module 91 . The operation module 18 may have a function of adjusting or controlling the operation of the entire feeder, and may include a control screen for operation of the feeder, operation buttons, or similar means for operation, setting or control. The operation module 17 may be installed in various positions of the feeder, and may optionally be installed as an independent module. The present invention is not limited by the arrangement position or operation structure of the operation module 17 as described above. Trays introduced into the induction module 13 may be maintained in a standby state, and a plurality of trays may be in a standby state in a stack form in which a plurality of trays are stacked in a vertical direction. In the tray stack maintained in a standby state, an upper tray may be sequentially moved to the pick-up position PA. When the tray located in the induction module 13 is moved to the pick-up position PA, the tray may be fixed to a predetermined position. A plurality of parts are loaded on the tray, and a pick-up device can pick up the parts on the tray and move them to an assembly position. When all the parts stored in the tray fixed at the pick-up position PA are picked up and the tray is emptied, the tray can be moved from the pick-up position PA to the discharge module 14 formed below. The discharge module 14 includes a discharge path for inducing discharge of the trays, a stack formation module for arranging a plurality of trays in a stacked state to form a stack structure, or a moving means for moving the plurality of trays in a stack form along the discharge path. can include The empty trays can be moved downwards at the pick-up position and stacked from the bottom to the top to form a stack. When a predetermined number of empty trays are stacked, the plurality of empty trays may be moved along the discharge path while maintaining the stack shape. The input guide path formed by the transfer module 11 may be a multi-stage guide path, preferably a linear multi-stage guide path. Specifically, the input guide path may be formed below the inlet formed by the input module 91, and may have a tunnel shape extending linearly with a rectangular cross section. A plurality of trays may be introduced through an inlet and sequentially stacked to form one tray stack. When a predetermined number of trays are stacked, the tray stack may be moved in the direction of the induction module 13 . Then, another tray stack may be formed by inputting a plurality of trays through the inlet again. At least one stack of trays, preferably stacks of 2 to 4 trays made in this way can be linearly aligned along the input lead path. In addition, the trays of the front tray stack are sequentially moved to the pick-up position from the top, and when all the trays of one tray stack are moved to the pick-up position, the next tray stack may be moved to the standby position. In this way, the movement path or movement time from the standby position to the pick-up position is reduced by the multi-stage tray stack movement method. The discharge path formed by the discharge module 14 may be formed below the input guide path, and may have a structure in which a tray stack in which a plurality of trays are stacked is movable in the same or similar manner to the input guide path. The input induction path and the discharge path may have a structure in which the tray stack is movable in directions opposite to each other while extending in parallel up and down. However, the empty tray may be discharged in various ways and is not limited to the presented embodiment. The same part may be stored in one tray, and different types of parts may need to be picked up during a part pick-up process. According to one embodiment of the present invention for pickup of parts stored in such a tray and other types of parts, the feeder for stack tray supply may include a linear feeder mounting module 80 for installing a tape feeder. can

As explained above, the tray can be, for example, a part Jedec Tray that meets the Jedec Publication 95 international standard for supplying parts to a chip mounter. If the tray becomes a Jedec Tray, up to 40 layers are loaded based on the thickness of 7.62mm, and up to 200 sheets can be put into the transfer module 11, and each tray can pick up the chip mounter through communication with the chip mounter. It can be transferred to the pick-up position corresponding to . Trays loaded in the input direction ID through the input module 91 may form a tray stack, and the tray stack may be guided along the guide direction GD. The uppermost tray of the tray stack located in the induction module 13 may be moved to the pick-up position PA by the operation of the pusher module. When one tray is moved to the pick-up position, the tray separation module 12 is operated so that the position control means supporting the tray stack can be moved upward, whereby the tray at the most position can be moved by the pusher module. can be In the pick-up position, the empty tray may be moved downward by the discharge guide means operated by the lifting means 101 and placed in the discharge module 14 . For example, when empty trays are stacked up to 30 levels, they can be discharged by being moved along the discharge direction (OD). In this way, the tray replacement time is reduced and the automation of the process is facilitated by moving and supplying the trays in the form of a stack in a multi-stage manner. Discharge and transport of the trays can be performed in various ways and are not limited to the presented embodiments.

11 shows an embodiment of a tray supply method by the system according to the present invention.

Referring to FIG. 11, the tray supply method includes forming a plurality of tray stacks by a plurality of trays (P11); A step (P12) of transferring a plurality of tray stacks along a multi-stage linear path; Separating a tray from one tray stack and moving it to a standby position (P13); The separation tray waits at the stand-by position (P14); The separation tray in the standby position is moved to the pick-up position, and another tray is separated into a tray stack (P15); Checking whether the pick-up is completed at the pick-up location (P16); The empty tray is discharged from the pick-up position to form a discharge stack (P17); Another tray in the standby position is moved to the pick-up position (P18); and a step P19 in which the discharge stack is moved in a linear multi-stage manner.

Completion of pickup at the pickup location may be detected in various ways, and if pickup is not completed (N), a tray to be transported to the pickup location may be maintained in a standby state. In contrast, when the pickup is completed (Y), another tray in the standby position may be moved to the pickup position. There may be at least one pickup location, and the pickup location may be formed in a variety of ways.

Although the present invention has been described in detail with reference to the presented embodiments above, those skilled in the art will be able to make various modifications and variations without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by these variations and modifications, but is limited only by the claims appended below.

11: stack movement module 12: tray separation module
13: tray guide module 14: discharge module
31a, 31b: pick-up position 42a, 42b: discharge operation unit
51: pusher module 53a, 53b: clamp block
80: feeder mounting module 91: input module

Claims (7)

a tray stack movement guide 11 for moving at least one tray stack formed by stacking a plurality of trays;
A tray separation module 12 separating one tray from the tray stack moved to a predetermined position;
A tray guide module 13 for guiding each separated tray to a pick-up position; and
A tray supply system of a stack transfer method including a discharge module 14 for moving and discharging a discharge tray stack formed by stacking picked up empty trays. The tray supply system according to claim 1, wherein a plurality of tray stacks are moved step by step along a linear path during a supply or discharge process. The tray supply system of claim 1, wherein the trays are separated from the tray stack by an elevator capable of moving up and down. [Claim 2] The tray feeding system according to claim 1, characterized in that trays are supplied to one or more pick-up positions by a tray guidance module (13). The tray supply system of claim 1, wherein the tray separation module (12) has a tray transfer function for moving empty trays. The tray supply system of claim 1, wherein the transport paths of the tray stack and the discharge tray stack are parallel. A method of supplying a tray to a pick-up position, comprising:
stacking a plurality of trays to form a tray stack;
moving the formed tray stack along a multi-stage transport path;
Separating and transporting one tray from the tray stack;
Step of one separated tray being in a stand-by state;
moving the standby tray to a pick-up position and separating another tray from the tray stack;
When the pick-up is completed, the empty tray is discharged to form a discharge tray stack;
moving another tray to a pick-up position; and
A tray supply method comprising the step of discharging the discharge tray stack along a predetermined path.

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