Tray providing device

Abstract

Comprising: a tray storage device (30) having a holding portion (31, 32, 33) for holding a tray (P) and a stand (40) for supporting the holding portion (31, 32, 33); a conveying device (10) having a traveling base (11) and a conveying portion (15), the traveling base (11) having a traveling path (11a) along the tray storage device (30), the conveying portion (15) causing the tray (P) to enter and exit the holding portion (31, 32, 33) and conveying the tray (P) between a predetermined place; and a control device (60) for controlling the operation of the conveying device (10). The stand (40) has a space capable of accommodating the control device (60) and includes plate-like covers (43, 48, 51) located above the control device (60) and disposed so as to be inclined downward toward the traveling base (11) side. The covers (43, 48, 51) are configured to be supported by the stand (40) in such a manner that their lower ends can be turned upward, and in a state where the lower ends are turned upward, the control device (60) can pass under the covers (43, 48, 51).

Description

Technical Field

[0001] The present invention relates to a tray providing device which includes a tray storage device for storing a plurality of trays, and conveys the trays stored in the tray storage device to a predetermined place. Background Art

[0002] As an example of the above-described tray providing device, conventionally, a device (tray conveying device) disclosed in Japanese Unexamined Patent Application Publication No. 2014-83670 (hereinafter referred to as Patent Document 1) has been known. As disclosed in this publication, this tray conveying device is a device that transfers and conveys trays via a tray magazine, a processing station, and a preparation station, and includes: a tray magazine for transferring and storing trays; a carriage that can pass through the tray magazine, the processing station, and the preparation station; first and second tray placement tables that are separated from each other in the moving direction of the carriage and are mounted on the carriage; and a single tray transfer mechanism configured to transfer trays between the first tray placement table and the processing station or the preparation station when positioned on the first tray placement table side, and transfer trays between the second tray placement table and the processing station or the preparation station when positioned on the second tray placement table side.

[0003] In addition, this tray conveying device is configured to move the carriage with the tray transfer mechanism fixed, and change the positions of the first and second tray placement tables relative to the processing station or the preparation station. Further, the carriage is configured to move in the front-rear direction on a track by a carriage drive mechanism, the track is extended in such a way that it can pass through the tray magazine, the processing station, and the preparation station, the tray transfer mechanism is configured to be able to move relative to the carriage in the front-rear direction, and the tray transfer mechanism is fixed to the track by a fixing mechanism for locking and unlocking.

[0004] According to this conventional tray conveying device, in a tray conveying device in which one tray can be placed on each of the first and second tray placement tables, a single tray transfer mechanism can be used to replace trays at the processing station and the preparation station respectively, and the manufacturing cost can be reduced compared to a tray conveying device in which a tray transfer mechanism is provided on each of a pair of tray mounting portions.

[0005] In addition, with the tray transfer mechanism fixed in a position facing the processing station or the preparation station, the positions of the first and second tray placement tables are changed. Therefore, it is not necessary to set the processing station or the preparation station in such a way as to accurately align the center distances of the tray mounting portions, and the operation of installing the tray conveying line in a factory or the like becomes easy.

[0006] Prior Art Documents

[0007] Patent Documents

[0008] Patent Document 1: Japanese Patent Application Laid-Open No. 2014-83670 Summary of the Invention

[0009] Technical Problem to be Solved by the Invention

[0010] However, in the above-described conventional pallet conveying device, the pallet storage device generally includes a plurality of holding portions for holding pallets and a gantry for supporting the plurality of holding portions in an arranged state. In addition, the operations of the cart driving mechanism and the pallet transfer mechanism are controlled by a dedicated control device. However, from the viewpoint of saving the overall space of the pallet conveying device, conventionally, this control device is generally housed in the gantry of the pallet storage device.

[0011] And, when setting such a pallet conveying device in a factory, the following steps have been conventionally taken. That is, first, each structure constituting the processing station, the preparation station, and the track is set to a predetermined position. Next, after the cart is arranged on the track and the control device is set at a specified position, the control device, the cart driving mechanism, and the pallet transfer mechanism are electrically connected. Then, after lifting the pallet storage device using a hoisting device such as a bridge crane, the control device is set at a specified position from above in such a manner that the control device is housed in the pallet storage device.

[0012] However, there are the following problems in such a setting method: It is very difficult to set in a factory that does not have a hoisting device such as a bridge crane. In this case, although the application of a forklift or the like has been considered, in the case of a forklift, there is a disadvantage that it is difficult to perform highly accurate and fine positioning. In addition, in the method of setting the pallet storage device at a specified position from above using a hoisting device, the lifted pallet storage device inherently has poor braking performance such as swinging, and therefore, in order to prevent interference between the control device and the pallet storage device, careful operation is required when setting the control device and the pallet storage device, and thus there is also a problem that the setting of the device takes a long time.

[0013] The present invention has been completed in view of the above actual situation, and an object thereof is to provide a pallet providing device that does not require the use of a hoisting device such as a bridge crane and can be set up in a short time.

[0014] Solution for Solving the Technical Problem

[0015] The present invention for solving the above technical problem relates to a pallet providing device configured to include:

[0016] a pallet storage device including a plurality of holding portions for holding pallets and a gantry for supporting the plurality of holding portions in an arranged state;

[0017] A conveying device having a traveling base and a conveying unit. The traveling base is arranged in parallel with the tray storage device and has a traveling path along the tray storage device. The conveying unit travels on the traveling path to move the tray in and out of the holding unit and convey the tray between a predetermined location; and

[0018] A control device that controls the operation of the conveying device,

[0019] The gantry has a space capable of accommodating the control device below the holding unit, and a plate-shaped cover is provided in this space. The cover is arranged in a state where it is located above the control device when the control device is accommodated and is inclined downward toward the traveling base side,

[0020] The cover is supported by the gantry in such a way that its lower end side can be turned upward, and in a state where the lower end side of the cover is turned upward, the control device can pass below the cover.

[0021] According to this tray providing device, as described below, each device can be set at a specified position. That is, first, after arranging the conveying device at the specified position, the control device is temporarily placed near the conveying device, and the conveying device and the control device are connected. Then, with the control device passing relatively below the cover, the gantry in a state where the lower end portion of the cover is turned upward is moved closer to the conveying device from the control device side and arranged in parallel with the conveying device.

[0022] Next, the control device is moved and set at the regular position set below the holding unit of the gantry, and then the cover is returned from the turned-up state to the original downward-inclined state. In summary, the tray storage device, the conveying device, and the control device can be respectively set at the set positions.

[0023] As described above, according to the tray providing device and its assembling method according to the present invention, there is no need to use a hoisting device such as a bridge crane, and the tray storage device, the conveying device, and the control device can be assembled (installed) in a state where the control device is accommodated in the space provided in the gantry of the tray storage device. Therefore, even in a factory without a prepared hoisting device such as a bridge crane, the tray providing device can be easily set up.

[0024] In addition, compared with the case of using a hoisting device, the braking performance of the control device is good when the control device is accommodated in the space of the gantry. Therefore, it is easy to avoid interference between the control device and the gantry, and the setting operations of these gantries and control devices can be easily performed in a short time.

[0025] In the present invention, the following method can be adopted: the side of the cover opposite to the lower end side is pivotally supported by the gantry. In this way, the turning-up operation of the cover can be easily performed.

[0026] In addition, in the present invention, the following method can be adopted: the gantry is provided with a locking member that holds the lower end side of the cover in a state of being turned upward. In this way, the lower end side of the cover can be held in a state of being turned upward by the locking member, so that the installation operations of the gantry and the control device can be efficiently performed.

[0027] In addition, in the present invention, the following method can be adopted: the gantry and the control device are provided with casters on their respective lower surfaces and can be manually pushed and transported respectively. In this way, the gantry and the control device can be easily moved, so that the installation operations can be efficiently performed.

[0028] In addition, in the present invention, the following method can be adopted: the gantry and the control device further include brackets on their respective lower surfaces, and the brackets have a height adjustment function. In this way, by adjusting the height adjustment function of the brackets, the height positions of the gantry and the control device can be easily adjusted.

[0029] Advantages of the Invention

[0030] As described above, according to the present invention, there is no need to use a hoisting device such as a bridge crane, and the pallet storage device, the conveying device, and the control device can be assembled in a state where the control device is stored in the space of the gantry provided in the pallet storage device. Therefore, even in a factory without a prepared hoisting device such as a bridge crane, the pallet providing device can be easily installed.

[0031] In addition, compared with the case of using a hoisting device, when the control device is stored in the space of the gantry, the braking performance of the control device is good, so that the interference between the control device and the gantry can be easily avoided, and these installation operations can be easily performed in a short time. Description of the Drawings

[0032] Figure 1 It is a perspective view of a pallet providing device according to an embodiment of the present invention as viewed from the front side.

[0033] Figure 2 It is a perspective view of the pallet providing device according to the present embodiment as viewed from the back side.

[0034] Figure 3 It is an explanatory diagram for explaining a method of assembling the pallet providing device according to the present embodiment.

[0035] Figure 4It is an explanatory diagram for explaining the method of assembling the tray providing device according to this embodiment.

[0036] Figure 5 It is an explanatory diagram for explaining the method of assembling the tray providing device according to this embodiment, and it is equivalent to Figure 3 a cross-sectional view taken along the direction of arrow E-E in Detailed Embodiment

[0037] Hereinafter, the detailed embodiment of the present invention will be described with reference to the accompanying drawings.

[0038] As Figures 1 to 5 shown, the tray providing device 1 in this example is composed of a conveying device 10, a tray storage device 30, a control device 60, etc.

[0039] The conveying device 10 is composed of a traveling base 11 and a conveying part 15, etc. The traveling base 11 has a traveling path 11a, and the traveling path 11a is used to convey the tray P between a predetermined place (providing place). The conveying part 15 travels on the traveling path 11a, enables the tray P to enter and exit the tray storage device 30, and conveys the tray P between the tray P and the providing place. In addition, the traveling base 11 is arranged in a manner connecting the tray storage device 30 and the providing place, but in Figures 1 to 4 only a part of it is shown.

[0040] The traveling base 11 is a member having a U-shaped cross-sectional shape like the English letter. Guide rails 12 are respectively arranged on the parallel upper surfaces of the traveling base 11. And a traveling path 11a along the direction of arrow A-B is formed by the guide rails 12.

[0041] The conveying part 15 is configured to include: a traveling cart 16 that is placed on the pair of guide rails 12 in a manner straddling them through a sliding member (not shown) and can move along the direction of arrow A-B; a moving mechanism 17 that moves the traveling cart 16 along the direction of arrow A-B; and a transfer mechanism 20 provided on the traveling cart 16.

[0042] The moving mechanism 17 only needs to be able to move the traveling cart 16 along the direction of arrow A-B as described above, and various conventionally known mechanisms can be applied. For example, it can be composed of a rack fixedly arranged along the length direction on the inner wall surface of the traveling base 11, a pinion provided on the traveling cart 16 and meshing with the rack, and a drive motor 17a that drives the pinion. According to this moving mechanism 17, the drive motor 17a rotates the pinion, and thus the traveling cart 16 moves along the direction of arrow A-B from the meshing relationship between the pinion and the rack.

[0043] The transfer mechanism 20 is composed of the following components: a telescopic portion 21 formed by a base member 22, a first sliding member 23, and a second sliding member 24 arranged in an overlapping manner in sequence and configured to telescope toward the tray storage device 30; a telescopic drive portion (not shown) for telescoping the telescopic portion 21; a support portion 24a provided on the second sliding member 24 for supporting the tray P; and a lift drive portion (not shown) for lifting the support portion 24a, etc.

[0044] The control device 60 controls the operations of the moving mechanism 17 and the transfer mechanism 20 and is arranged in the gantry 40 of the tray storage device 30 described in detail below.

[0045] The tray storage device 30 is composed of the following components: holding plates 34, 35, 36, 37 arranged in parallel along the traveling base 11; plate-shaped inclined covers 42, 47, 50 respectively arranged below and on the rear side (the side away from the traveling base 11) between the holding plates 34, 35, 36, 37, and plate-shaped flip-up covers 43, 48, 51 of the same type arranged on the front side (the side of the traveling base 11); a frame-shaped (framework-shaped) gantry 40 for supporting the holding plates 34, 35, 36, 37, the inclined covers 42, 47, 50, and the flip-up covers 43, 48, 51; and an outer wall 41 provided on the rear side of the gantry 40, etc.

[0046] The holding plates 34, 35, 36, 37 function as holding portions for holding the tray P. The holding plates 34, 35 form a holding portion 31, the holding plates 35, 36 form a holding portion 32, and the holding plates 36, 37 form a holding portion 33. And, the tray P is placed thereon in a manner straddling the holding plates 34, 35 in the holding portion 31. Similarly, in the holding portion 32, the tray P is placed thereon in a manner straddling the holding plates 35, 36, and in the holding portion 33, the tray P is placed thereon in a manner straddling the holding plates 36, 37.

[0047] In addition, the traveling cart 16 moves in the direction of arrow A - B through the moving mechanism 17 and is respectively positioned at positions corresponding to the holding portions 31, 32, and 33. And, at the positions corresponding to the holding portions 31, 32, and 33, the transfer mechanism 20 carries the tray P into each of the holding portions 31, 32, and 33, and in addition, takes out the tray P held in each of the holding portions 31, 32, and 33 onto the traveling cart 16.

[0048] For example, as Figure 1As shown, in a state where the traveling carriage 16 is positioned relative to the holding portion 32, the transfer mechanism 20 extends the first sliding member 23 and the second sliding member 24 in a state where the supporting portion 24a supporting the pallet P is raised by a lifting drive portion (not shown), moves the pallet P above the holding plates 35 and 36 (holding portion 32), and then lowers the supporting portion 24a by the lifting drive portion (not shown). Thus, after placing the pallet P on the holding plates 35 and 36 (holding portion 32), the first sliding member 23 and the second sliding member 24 are contracted. In summary, the pallet P is carried into the holding portion 32.

[0049] On the other hand, when removing the pallet P held by the holding portion 32 from the holding portion 32, the transfer mechanism 20 extends the first sliding member 23 and the second sliding member 24 in a state where the supporting portion 24a in a state of not supporting the pallet P is lowered by a lifting drive portion (not shown), moves the supporting portion 24a below the pallet P placed on the holding plates 35 and 36 (holding portion 32), and then raises the supporting portion 24a by the lifting drive portion (not shown). Thus, the pallet P is suspended above the holding plates 35 and 36 (holding portion 32) while being supported by the supporting portion 24a, and then the pallet P is removed onto the traveling carriage 16 by contracting the first sliding member 23 and the second sliding member 24.

[0050] The inclined covers 42, 47, 50 and the flip-up covers 43, 48, 51 are provided so as to be inclined downward respectively toward the oil recovery passage 11b formed in the traveling base 11. And the upper surface of the upper end of the flip-up cover 43 is connected to the lower surface of the lower end of the inclined cover 42. Similarly, the upper surface of the upper end of the flip-up cover 48 is connected to the lower surface of the lower end of the inclined cover 47, and the upper surface of the upper end of the flip-up cover 51 is connected to the lower surface of the lower end of the inclined cover 50. The lower end portions of the flip-up covers 43, 48, 51 are respectively located above the oil recovery passage 11b of the traveling base 11. These inclined covers 42, 47, 50 and the flip-up covers 43, 48, 51 function as oil recovery plates, and guide oil and the like (including chips and the like) dripping from the pallets P placed on the holding portions 31, 32 and 33 into the oil recovery passage 11b.

[0051] In addition, both side portions of the flip-up cover 43 are mounted on the gantry 40 by being pivotally supported by a pair of support struts 44 of the gantry 40. Similarly, both side portions of the flip-up cover 48 are mounted on the gantry 40 by being pivotally supported by a pair of support struts 49 of the gantry 40, and both side portions of the flip-up cover 51 are mounted on the gantry 40 by being pivotally supported by a pair of support struts 52 of the gantry 40.

[0052] Further, the lower end sides of the respective lifting covers 43, 48, and 51 can rotate in the vertical direction about the shaft support portions of the respective support struts 44, 49, and 52. For example, as Figure 5 shown, the lower end side of the lifting cover 48 can rotate in the vertical direction (in the direction of arrows C - D) about the shaft support portion (49a) of the support strut 49.

[0053] In addition, the respective lower end sides of the lifting covers 43, 48, and 51 are held in a state of being turned upward by a locking member that engages with the base 40. The locking member can be various components, but in this example, as Figure 5 shown, a locking bolt 49b that is threadedly connected to the column portion of the base 40 is used. In Figure 5 , in a state where the lifting cover 48 is turned up, the locking bolt 49b is threadedly connected to the column portion of the base 40 and penetrates through the column portion, thereby supporting the lower end portion of the lifting cover 48 by the locking bolt 49b and maintaining the turned-up state. On the other hand, by removing the locking bolt 49b from the base 40, the lifting cover 48 can rotate downward.

[0054] In addition, in this example, in a state where the respective lifting covers 43, 48, and 51 are turned upward (in the direction of arrow C), the control device 60 can pass below these lifting covers 43, 48, and 51. In addition, in this example, the control device 60 is provided below the holding portions 32 and 33.

[0055] In addition, the traveling base 11 can be adjusted to be horizontal by the jacking bolts 13. In addition, the base 40 is provided with a plurality of casters 55 on its lower surface and can be manually transported by means of these casters 55. Similarly, the base 40 can be installed on the ground in a state where its height position is adjusted by a plurality of brackets 56 provided on the lower surface (at this time, the casters 55 protrude upward from the ground).

[0056] In addition, the control device 60 can also be manually transported by means of a plurality of casters 61 provided on its lower surface. Similarly, the control device 60 can be installed on the ground in a state where its height position is adjusted by a plurality of brackets 62 provided on the lower surface (at this time, the casters 61 protrude upward from the ground).

[0057] According to the tray supply device 1 of this example having the above structure, under the control of the control device 60, the traveling carriage 16 is driven by the moving mechanism 17, and the traveling carriage 16 travels along the traveling path 11a formed on the traveling base 11 in the direction of arrows A - B, supplies a suitable tray P accommodated in the tray storage device 30 to the supply location, and stores the tray P recovered from the supply location in the tray storage device 30.

[0058] Further, in the tray providing device 1 of this example, for example, when the tray providing device 1 is installed in a factory, it is assembled and installed in the following manner. In addition, the gantry 40 and the control device 60 can be manually transported by casters 55 and 61 respectively.

[0059] First, after the conveying device 10 composed of the traveling base 11 and the conveying unit 15 is arranged at a specified position, the control device 60 is manually transported and temporarily placed near the traveling base 11. Then, the moving mechanism 17 and the transfer mechanism 20 are electrically connected to the control device 60. In addition, a transport machine such as a forklift or a manual crane can be used to install the traveling base 11.

[0060] Next, at least after the flip-up hood 48 is flipped upward and the locking bolt 49b is threadedly connected to the gantry 40 to hold the flip-up hood 48 in a flipped-up state, the gantry 40 is moved closer to the traveling base 11 from the side of the control device 60 so as to pass under the flip-up hood 48 and is arranged in parallel with the traveling base 11 (see Figures 3 to 5 ).

[0061] Next, while rotating the control device 60, its position is adjusted so that the control device 60 is moved to a normal position below the holding portions 32 and 33 provided on the gantry 40. Then, the locking bolt 49b is removed from the gantry 40, and the flip-up hood 48 returns from the flipped-up state to the original downwardly inclined state.

[0062] Then, the brackets 56 and 62 are adjusted to support the gantry 40 and the control device 60 through these brackets 56 and 62, and their height positions are respectively adjusted.

[0063] In summary, the conveying device 10, the tray storage device 30, and the control device 60 can be respectively arranged at the set positions.

[0064] As described above, according to the tray providing device 1 of this example, it is not necessary to use a hoisting device such as a bridge crane, and the conveying device 10, the tray storage device 30, and the control device 60 can be assembled in a state where the control device 60 is housed in the space of the gantry 40 provided in the tray storage device 30. Therefore, even in a factory without a prepared hoisting device such as a bridge crane, the tray providing device 1 can be easily installed.

[0065] In addition, compared with the case of using a hoisting device, when the control device 60 is housed in the space of the gantry 40, the braking performance of the control device 60 is good. Therefore, interference between the control device 60 and the gantry 40 can be avoided, and the installation operations of the gantry 40 and the control device 60 can be easily performed in a short time.

[0066] In addition, in the tray providing device 1 of this example, the flip-up covers 43, 48, and 51 are configured to flip upward (in the direction of arrow C), and moreover, the flipped-up state can be maintained. Therefore, for example, maintenance of the lower positions of the holding parts 31, 32, and 33 or maintenance of the control device 60 can be performed from the side of the traveling base 11, and such maintenance or servicing can be easily carried out. In the case where the flip-up covers 43, 48, and 51 are not provided to be flippable, it is necessary to perform maintenance or servicing in a state where the parts mounted on the outer wall 41 of the gantry 40 are removed, and the operation becomes complicated.

[0067] As described above, the embodiments of the present invention have been described, but the modes that the present invention can adopt are not limited to any of the above examples.

[0068] For example, in the above example, three holding parts 31, 32, and 33 are set as the holding parts for holding the tray. Of course, the number of holding parts provided is not limited to this, and it may be more than three or less than three. In addition, in the above example, the holding parts are provided on one side along the traveling track 11, but the structure is not limited to this, and the holding parts may also be provided on both sides sandwiching the traveling track 11.

[0069] Although it is a repeated description, all aspects of the above description of the embodiments are illustrative rather than restrictive. Those skilled in the art can make appropriate modifications and changes. The scope of the present invention is shown by the claims rather than by the above embodiments. Moreover, the scope of the present invention includes changes according to the embodiments within the scope equivalent to the claims.

[0070]

Explanation of Reference Numerals

[0071] 1 Tray providing device

[0072] 10 Conveying device

[0073] 11 Traveling base

[0074] 11a Traveling path

[0075] 15 Conveying part

[0076] 16 Traveling carriage

[0077] 17 Moving mechanism

[0078] 20 Transfer mechanism

[0079] 21 Telescopic part

[0080] 30 Tray storage device

[0081] 31, 32, 33 Holding parts

[0082] 40 stands

[0083] 42, 47, 50 inclined covers

[0084] 43, 48, 51 flip-up covers

[0085] 44, 49, 52 struts

[0086] 60 control device

[0087] 61 casters

[0088] 62 brackets

Claims

1. A tray providing device, configured to include: A tray storage device, which includes a plurality of holding parts for holding trays and a base for supporting the plurality of holding parts in an arranged state; A conveying device, which has a traveling base and a conveying part. The traveling base is arranged in parallel with the tray storage device and has a traveling path along the tray storage device. The conveying part travels on the traveling path to move the tray in and out of the holding part and convey the tray between a predetermined place, and A control device, which controls the operation of the conveying device. The tray providing device is characterized in that The base has a space below the holding part capable of accommodating the control device, and a plate-shaped cover is provided in this space. The cover is arranged above the control device in a state where the control device is accommodated and is inclined downward toward the traveling base side, The cover is supported by the base in such a manner that the lower end side thereof can be turned upward, and in a state where the lower end side of the cover is turned upward, the control device can pass below the cover.

2. The tray providing device according to claim 1, characterized in that One side of the cover opposite to the lower end side is pivotally supported by the base.

3. The tray providing device according to claim 1 or 2, characterized in that The base is provided with a locking member for holding the lower end side of the cover in a state of being turned upward.

4. The tray providing device according to claim 1, characterized in that The base and the control device are provided with casters on their respective lower surfaces and can be manually pushed and conveyed respectively.

5. The tray providing device according to claim 2, characterized in that The base and the control device are provided with casters on their respective lower surfaces and can be manually pushed and conveyed respectively.

6. The tray providing device according to claim 3, characterized in that The base and the control device are provided with casters on their respective lower surfaces and can be manually pushed and conveyed respectively.

7. The tray providing device according to claim 4, characterized in that The base and the control device further include brackets on their respective lower surfaces, and the brackets have a height adjustment function.

8. The tray providing device according to claim 5, characterized in that The base and the control device further include brackets on their respective lower surfaces, and the brackets have a height adjustment function.

9. The tray providing device according to claim 6, characterized in that The base and the control device further include brackets on their respective lower surfaces, and the brackets have a height adjustment function.

10. An assembling method of a tray conveying device, the tray providing device is configured to include: A tray storage device, which includes a plurality of holding parts for holding trays and a base for supporting the plurality of holding parts in an arranged state; A conveying device, which moves the tray in and out of the holding part and conveys the tray between a predetermined place; and A control device, which controls the operation of the conveying device The gantry has a space below each of the holding portions for accommodating the control device, and a plate-shaped cover is provided in this space. The cover is arranged above the control device in a state where the control device is accommodated, and is inclined downward toward the traveling base disposed side by side with the tray storage device. The cover is supported by the gantry in such a manner that its lower end side can be turned upward, and in a state where the lower end side of the cover is turned upward, the control device can pass below the cover. The method for assembling the tray supply device is characterized in that: First, after the conveying device is arranged at a specified position, the control device is temporarily placed near the conveying device, and the conveying device and the control device are connected. Next, with the control device passing below the cover, the gantry in a state where the lower end portion of the cover is turned upward is moved closer to the conveying device from the control device side and arranged side by side with the conveying device. Next, after the control device is moved and set at a regular position set below the holding portion of the gantry, the cover is returned from the turned-up state to the original downward inclined state.

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