Bulk feed tray subdivision automation device

Abstract

The present invention relates to an automated device for subdividing ton bag feed trays, comprising: a supply rack in which a plurality of empty trays are supplied in a loaded state; a tray loading unit that takes out trays one by one from the supply rack and moves them to the next process; a first conveyor that loads the trays delivered from the tray loading unit and moves them to a subsequent process; a feeding unit that applies feed to fill the trays loaded and moved on the first conveyor; an elevator unit that receives the trays with the applied feed from the first conveyor and moves them to a lower floor; a second conveyor that receives the trays moved to a lower floor by the elevator unit and moves them to a subsequent process along a transfer path passing through the lower floor of the feeding unit; a tray unloading unit that picks up and moves the trays transported by the second conveyor; and a discharge rack on which the trays moved by the tray unloading unit are loaded.

Description

Technology Field

[0001] The present invention relates to an automated device for subdividing ton bag feed into trays, and more specifically, to an automated device for subdividing ton bag feed into trays in which an upper first conveyor and a lower second conveyor of a feeding section for subdividing ton bag feed are installed to move in opposite directions, and when a tray filled with feed from the upper section is loaded onto the second conveyor and moved, the feed filled in the upper section tray is flattened by a squeegee, and the feed that flows down during the flattening process falls onto the tray loaded on the lower second conveyor to prevent loss of feed. Background Technology

[0002] Generally, livestock barns raising a large number of animals utilize feed provided by feed suppliers. In this case, the feed is supplied in bulky bags known as ton bags.

[0003] In this case, since ton bags filled with feed are large in volume and weight, it is difficult for a worker to lift the bag and supply the feed inside to the desired location, namely the livestock feed trough.

[0004] Therefore, it is common practice for most people to tear open the bottom of the ton bag to take out the feed little by little, or to turn the ton bag upside down to pour the feed onto the ground and then scoop up the spilled feed with a shovel or similar tool to feed the livestock in their feed troughs.

[0005] However, such operations are not only considerably inconvenient but also cause significant losses in manpower and effort, result in feed loss, and are unsanitary, so a new alternative is required.

[0006] To solve such problems, a feed dispenser according to Korean published patent No. 10-2013-0142670 was proposed.

[0007] It includes a main body frame; a feed hopper provided on one side of the main body frame; and a ton bag seating portion rotatably coupled to the main body frame to form a place for a ton bag containing feed to be seated, and to allow the feed inside the ton bag to be fed into the feed hopper.

[0008] However, since the aforementioned conventional feed dispenser still has the problem of subdividing feed supplied in ton bags into trays for use, a method for improvement regarding this is required. Prior art literature

[0009] Republic of Korea Published Patent No. 10-2013-0142670 The problem to be solved

[0010] The technical problem that the present invention aims to solve is to prevent the loss of feed by installing an automated device for subdividing ton bag feed into trays, wherein the upper first conveyor and the lower second conveyor of the feeding section, which performs the subdivision of ton bag feed into trays, are installed to move in opposite directions, and when a tray filled with feed from the upper section is loaded onto the second conveyor and moved, the feed filled in the upper tray is flattened by a squeegee, and the feed that flows down during the flattening process falls onto the tray loaded on the lower second conveyor.

[0011] The technical problems of the present invention are not limited to those mentioned above, and other unmentioned technical problems will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0012] An automated tray sorting device for ton bag feed according to an embodiment of the present invention for solving the above technical problem may include: a supply rack supplied with a plurality of empty trays loaded thereon; a tray loading unit that takes out trays one by one from the supply rack and moves them to the next process; a first conveyor that loads the trays delivered from the tray loading unit and moves them to a subsequent process; a feeding unit that applies feed to fill the trays loaded and moved on the first conveyor; an elevator unit that receives the trays with the applied feed from the first conveyor and moves them to a lower floor; a second conveyor that receives the trays moved to a lower floor by the elevator unit and moves them to a subsequent process along a transfer path passing through the lower part of the feeding unit; a tray unloading unit that picks up and moves the trays transported by the second conveyor; and a discharge rack on which the trays moved by the tray unloading unit are loaded.

[0013] Here, the supply rack may form a first trolley section having a moving wheel at the bottom of a first loading compartment where a tray is loaded, and may form a first metal plate for magnetic binding with the tray loading section side on a face portion that contacts the tray loading section.

[0014] In addition, the discharge rack may form a second trolley section equipped with wheels for movement at the bottom of a second loading compartment where a tray is loaded, and may form a second metal plate for magnetic binding with the tray unloading section side on a face portion that contacts the tray unloading section.

[0015] Additionally, the tray loading unit may include: a plate-shaped first loading platform; a first axis guide that guides the first loading platform to slide in a vertical direction; a first lifting device comprising a first motor that provides power to cause the first loading platform to move up and down in a vertical direction, a first ball screw connected to the rotation shaft of the first motor and rotating, and a first screw block installed on the first loading platform to which the first ball screw is spirally coupled; a first pickup device installed on the first loading platform to pick up a tray loaded on a supply rack and move it to a position in the center of the first loading platform; a third conveyor that moves the tray moved by the first pickup device toward a first conveyor; and a first electromagnet unit installed on a face-to-face portion that contacts the supply rack side and configured to provide or block magnetic force for magnetically binding the supply rack by the on / off operation of a first switch.

[0016] Additionally, the tray unloading unit may include: a plate-shaped second loading platform; a second axis guide that guides the second loading platform to slide in a vertical direction; a second lifting device comprising a second motor that provides power to move the second loading platform up and down in a vertical direction, a second ball screw connected to the rotation axis of the second motor and rotating, and a second screw block installed on the second loading platform to which the second ball screw is spirally coupled; a fourth conveyor that moves a tray delivered from the second conveyor side to be positioned at the center of the second loading platform; a second pickup device installed on the second loading platform to pick up the tray and move it to a supply rack for loading; and a second electromagnet unit installed on a face-to-face side that contacts the discharge rack side, configured to provide or block magnetic force for magnetically binding the discharge rack by the on / off operation of a second switch.

[0017] Additionally, the feeding unit may include: a hopper filled with ton bag feed; a discharge unit extending to one side of the hopper and discharging and supplying feed to a tray carried on a first conveyor; an opening and closing door for controlling the opening and closing of the outlet of the discharge unit; and a squeegee for flattening the feed by allowing the top of the tray to pass in contact with the discharge unit.

[0018] In addition, the tray filled with feed in the above feeding section is moved between floors by the elevator section and then transferred to the second conveyor that crosses in the opposite direction to the first conveyor at the lower section of the first conveyor, and the tray can be supplied to the first conveyor and the second conveyor in accordance with the crossing timing of the upper section tray and the lower section tray so that feed flowing down during the flattening operation by the squeegee falls onto the tray loaded on the lower section second conveyor. Effects of the invention

[0019] As described above, the automated tray subdivision device for ton bag feed according to an embodiment of the present invention is an automated device for subdividing ton bag feed into trays. It is installed such that an upper first conveyor and a lower second conveyor of a feeding section that performs the task of subdividing ton bag feed into trays move in opposite directions. When a tray filled with feed from the upper section is loaded onto the second conveyor and moved, the feed filled in the upper section tray is flattened by a squeegee, and the feed that flows down during the flattening process falls onto the tray loaded on the lower second conveyor, thereby preventing the loss of feed and providing an economic effect. Brief explanation of the drawing

[0020] FIG. 1 is a plan view illustrating an automated tray portioning device for ton bag feed according to the present invention. FIG. 2 is a front view illustrating an automated tray portioning device for ton bag feed according to the present invention. FIG. 3 is an enlarged front view of a supply rack (discharge rack) according to the present invention. FIG. 4 is an enlarged front view of a supply rack and tray loading section according to the present invention. Figures 5(a) to 5(c) illustrate a process diagram in which a tray loading unit according to the present invention receives a tray from a supply rack and transmits it to a first conveyor. FIG. 6 is an enlarged front view of a fitting part according to the present invention. Figures 7 (a) to (c) are process diagrams for performing feed subdivision work in a fitting part according to the present invention. FIG. 8 is an enlarged front view of the discharge rack and tray unloading unit according to the present invention. Figures 9 (a) to (c) are process diagrams of a tray unloading unit according to the present invention receiving a tray from a second conveyor and loading it onto a discharge rack. Specific details for implementing the invention

[0021] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined only by the scope of the claims. Throughout the specification, the same reference numerals refer to the same components.

[0022] The terms used herein are for describing embodiments and are not intended to limit the invention. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. As used herein, "comprising" and / or "comprising" does not exclude the presence or addition of one or more other components, steps, actions, and / or elements to the mentioned components, steps, actions, and / or elements.

[0023] Furthermore, throughout the specification, when a part is described as being "connected" to another part, this includes not only cases where they are "directly connected," but also cases where they are "indirectly" or "electrically connected" with other members or elements in between.

[0024] Additionally, throughout the specification, the description that each layer (film), region, pattern, or structure is formed "on" or "under" the substrate, each layer (film), region, pad, or pattern includes both direct formation and formation through another layer. The criteria for "on" or "under" each layer are described based on the drawings.

[0025] Furthermore, expressions such as 'first, second,' etc., are used solely to distinguish multiple compositions and do not limit the order or other characteristics between the compositions.

[0026] Furthermore, the flowcharts illustrated in the drawings are merely illustrative steps to obtain the most desirable results in carrying out the present invention, and it is obvious that other steps may be added or some steps may be deleted.

[0027] Unless otherwise defined, all terms used in this specification (including technical and scientific terms) may be used in a meaning commonly understood by those skilled in the art to which the present invention pertains. Additionally, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly and specifically defined otherwise.

[0028] Hereinafter, preferred embodiments of the present invention will be described with reference to the attached drawings.

[0029] FIG. 1 is a plan view illustrating an automated tray subdivision device for ton bag feed according to the present invention, FIG. 2 is a front view illustrating an automated tray subdivision device for ton bag feed according to the present invention, FIG. 3 is an enlarged front view illustrating a supply rack (discharge rack) according to the present invention, FIG. 4 is an enlarged front view illustrating a supply rack and a tray loading unit according to the present invention, FIG. 5 (a) to (c) is a process diagram illustrating a tray loading unit according to the present invention receiving a tray from a supply rack and transferring it to a first conveyor, FIG. 6 is an enlarged front view illustrating a fitting unit according to the present invention, FIG. 7 (a) to (c) is a process diagram illustrating a feed subdivision operation performed in a fitting unit according to the present invention, FIG. 8 is an enlarged front view illustrating a discharge rack and a tray unloading unit according to the present invention, FIG. 9 (a) to (c) is a process diagram illustrating a tray unloading unit according to the present invention receiving a tray from a second conveyor and loading it onto a discharge rack.

[0030] Referring to FIG. 1 and FIG. 2, the automated tray portioning device for ton bag feed according to the present invention may largely include a supply rack (3), a discharge rack (5), a tray loading section (10), a first conveyor (20), a feeding section (30), an elevator section (40), and a tray unloading section (50).

[0031] According to the present invention, a supply rack (3) is moved to a tray loading unit (10) with a plurality of empty trays (1) loaded thereon. The trays (1) loaded in the supply rack (3) are transferred to a first conveyor (20) by the tray loading unit (10), and the supply rack (3) and the tray loading unit (10) can be kept connected using a binding means so that they do not separate during operation.

[0032] The above supply rack (3) may form a first trolley section (3b) having a moving wheel at the bottom of a first loading box (3a) where a tray (1) is loaded, and may form a first metal plate (3c) for magnetic binding with the tray loading section (10) side at a face-to-face section that contacts the tray loading section (10).

[0033] At this time, a first electromagnet part (16) for magnetically attaching the first metal plate (3c) can be formed on the contact surface of the tray loading part (10).

[0034] Additionally, the supply rack (3) may be transported by a hoist or forklift instead of omitting the configuration of the first trolley section (3b).

[0035] The above tray loading unit (10) may include a plate-shaped first loading platform (11), a first axis guide (12) that guides the first loading platform (11) to slide in a vertical direction, a first lifting device (13) that provides power to cause the first loading platform (11) to move up and down in a vertical direction, a first pickup device (14) installed on the first loading platform (11) to pick up a tray (1) loaded on a supply rack (3) and move it to a central position on the first loading platform (11), a third conveyor (15) that moves the tray (1) moved by the first pickup device (14) toward a first conveyor (20), and a first electromagnet unit (16) installed on a face-to-face side in contact with the supply rack (3) and configured to provide or block magnetic force for magnetically binding the supply rack (3) by the on / off operation of a first switch (17).

[0036] The first lifting device (13) may include a first motor (13a), a first ball screw (13b) connected to the rotation axis of the first motor (13a) and rotating, and a first screw block (13c) installed on the first loading platform (11) to which the first ball screw (13b) is spirally coupled.

[0037] At this time, the first pickup device (14) may include a first transfer body (14c) that moves back and forth in the direction of the supply rack (3), a first pickup arm (14b) that extends forward of the first transfer body (14c), and a first suction plate (14a) installed at the tip of the first pickup arm (14b) to vacuum suction the side of the tray (1).

[0038] The first suction plate (14a) above can be connected to a separate vacuum tube.

[0039] Additionally, although not shown in the drawing, the present invention may be controlled by a control unit (not shown) to move by sensing the upper part of the tray (1) loaded on the supply rack (3) by installing a sensor on the first loading platform (11).

[0040] Meanwhile, the tray (1) delivered from the tray loading unit (10), which operates to take out the tray (1) one by one from the supply rack (3) and move it to the next process, is loaded onto the first conveyor (20) and moved to the subsequent process.

[0041] The first conveyor (20) can be connected to the feeding section (30).

[0042] Feed can be filled into the tray (1) that is loaded on the first conveyor (20) and moved to the feeding section (30).

[0043] The above feeding unit (30) may include a hopper (31) filled with ton bag feed, a discharge unit (32) extending to one side of the hopper (31) and discharging and supplying feed to a tray (1) carried on a first conveyor (20), an opening / closing door (33) for opening and closing the outlet of the discharge unit (32), and a squeegee (34) that flattens the feed by allowing the top of the tray (1) to pass in contact with the discharge unit (32) after it has passed.

[0044] At this time, the opening / closing door (33) may be a cylindrical door and may open or close the entrance of the discharge part (32) depending on the direction of rotation.

[0045] According to the present invention, a tray (1) filled with feed in the feeding section (30) can be moved between floors by the elevator section (40) and then transferred to a second conveyor (20') that crosses in the opposite direction to the first conveyor (20) at the lower part of the first conveyor (20).

[0046] At this time, the tray (1) can be supplied to the first conveyor (20) and the second conveyor (20') in accordance with the timing of the intersection of the upper tray (1) and the lower tray (1) so that the feed flowing down during the flattening operation by the squeegee (34) falls onto the tray (1) loaded on the lower second conveyor (20').

[0047] The supply point of the tray (1), that is, the point at which the trays (1) of the upper and lower floors cross paths, can be controlled by controlling the working speed of the tray loading section (10) and the working speed of the elevator section (40) in the control section (not shown).

[0048] The tray (1) coated with the above feed can be transferred from the first conveyor (20) to the elevator unit (40). The elevator unit (40) can move the transferred tray (1) to a lower floor.

[0049] The above elevator unit (40) may include a platform (41) on which a tray (1) is placed, and a lifting drive unit (42) that moves the platform (41) up and down in a vertical direction.

[0050] At this time, the lifting drive unit (42) may include a third motor (42a) that provides rotational power, a third ball screw (42b) connected to the rotation axis of the third motor (42a), and a third screw block (42c) coupled to the lifting platform (41) through which the third ball screw (42b) is spirally coupled.

[0051] The lifting platform (41), which operates to move up and down by the lifting drive unit (42), can be guided to slide vertically while axially coupled to the third axis guide (43).

[0052] In addition, the elevator unit (40) has inlet rollers (44) installed in the direction of travel of the first conveyor (20) to move the tray (1) to the inside of the elevator platform (41).

[0053] In addition, a discharge roller (45) is installed in the direction of travel of the second conveyor (20') so that the tray (1) can be pushed and discharged from the inside of the lifting platform (41) to the second conveyor (20').

[0054] Meanwhile, the tray (1) moved to the lower level by the elevator unit (40) is transferred to the second conveyor (20'), and the tray (1) loaded on the second conveyor (20') can be moved to a subsequent process along a transfer path passing through the lower level of the feeding unit (30).

[0055] At this time, the second conveyor (20') may consist of two or more orthogonal straight paths. At this time, a turntable (21') may be installed at a position orthogonal to the straight path so that the direction of travel of the tray (1) is rotated 90 degrees to change the path.

[0056] Meanwhile, the tray (1) transported by the second conveyor (20') is transferred to the tray unloading unit (50), and the tray unloading unit (50) can pick up the tray and move it to the discharge rack (5).

[0057] The above tray unloading unit (50) may have a plurality of second axis guides (52) installed around it to guide the vertical sliding movement of the plate-shaped second loading platform (51).

[0058] In addition, a second lifting device (53) that provides power to cause the second loading platform (51) to move up and down in a vertical direction may be installed.

[0059] At this time, the second lifting device (53) may include a second motor (53a), a second ball screw (53b) connected to the rotation axis of the second motor (53a) and rotating, and a second screw block (53c) installed on the second loading platform (51) to which the second ball screw (53b) is spirally coupled.

[0060] Additionally, a fourth conveyor (55) may be installed to move the tray (1) delivered from the second conveyor (20') to the center of the second loading platform (51).

[0061] In addition, a second pickup device (54) may be installed on the second loading platform (51) to pick up the tray (1) and move it to the discharge rack (5) for loading.

[0062] At this time, the second pickup device (54) may include a second transfer body (54c) that moves back and forth in the direction of the discharge rack (5), a second pickup arm (54b) that extends forward of the second transfer body (54c), and a second suction plate (54a) installed at the tip of the second pickup arm (54b) to vacuum suction the side of the tray (1).

[0063] The second suction plate (54a) above can be connected to a separate vacuum tube.

[0064] Additionally, the tray unloading unit (20') of the present invention may have a second electromagnet unit (56) installed on the facing portion that contacts the discharge rack (5). The second electromagnet unit (56) can provide or block magnetic force for magnetically binding the discharge rack (5) by the on / off operation of the second switch (57).

[0065] Additionally, although not shown in the drawing, the present invention may be controlled by a control unit (not shown) to move by sensing the upper part of the tray (1) loaded on the discharge rack (5) by installing a sensor on the second loading platform (51).

[0066] In addition, the discharge rack (5) on which the tray (1) moved by the tray unloading unit (50) is loaded can be separated from the tray unloading unit (50) and the tray (1) can be moved to the next process.

[0067] At this time, the discharge rack (5) may form a second trolley section (5b) having a moving wheel at the bottom of the second loading box (5a) where the tray (1) is loaded, and may form a second metal plate (5c) for magnetic binding with the tray unloading section (50) on the facing section that contacts the tray unloading section (50).

[0068] At this time, the discharge rack (5) may be transported by a hoist or forklift instead of omitting the configuration of the second bogie part (5b).

[0069] Thus, the automated tray portioning device for ton bag feed according to one embodiment of the present invention is an automated device for portioning ton bag feed into trays, wherein an upper first conveyor and a lower second conveyor of a feeding section that performs the ton bag feed portioning work are installed to move in opposite directions, and when a tray filled with feed from the upper section is loaded onto the second conveyor and moved, the feed filled in the upper section tray is flattened by a squeegee, and the feed that flows down during the flattening work falls onto the tray loaded on the lower second conveyor, thereby preventing the loss of feed and providing an economic effect.

[0070] Although the present invention has been described above, those skilled in the art will recognize that the invention may be implemented in other forms while maintaining the technical concept and essential features of the invention.

[0071] The scope of the rights of the present invention shall be determined primarily by the claims; however, all modifications or variations derived from configurations directly derived from the descriptions in the claims, as well as configurations equivalent thereto, shall be interpreted as being included within the scope of the rights of the present invention. Explanation of the symbols

[0072] 1: Tray 3: Supply Rack 3a: 1st cargo box 3b: 1st bogie section 3c: 1st metal plate 5: Discharge rack 5a: Second cargo compartment 5b: Second bogie section 5c: Second metal plate 10: Tray loading section 11: 1st loading platform 12: 1st shaft guide 13: First lifting device 13a: First motor 13b: First ball screw 13c: First screw block 14: 1st pickup device 15: 3rd conveyor 16: First electromagnet section 17: First switch 20: 1st conveyor 20': 2nd conveyor 30: Feeding Section 31: Hopper 32: Discharge section 33: Opening / closing door 34: Squeegee 40: Elevator section 50: Tray unloading section 51: Second loading platform 52: Second shaft guide 53: Second lifting device 53a: Second motor 53b: Second ball screw 53c: Second screw block 54: Second pickup device 55: 4th conveyor 56: 2nd electromagnet section 57: Second switch

Claims

Claim 1 An automated tray subdivision device for ton bag feed, characterized by comprising: a supply rack in which a plurality of empty trays are supplied in a loaded state; a tray loading unit that takes out trays one by one from the supply rack and moves them to the next process; a first conveyor that loads the trays delivered from the tray loading unit and moves them to a subsequent process; a feeding unit that applies feed to fill the trays loaded and moved on the first conveyor; an elevator unit that receives the trays with the applied feed from the first conveyor and moves them to a lower floor; a second conveyor that receives the trays moved to a lower floor by the elevator unit and moves them to a subsequent process along a transfer path passing through the lower floor of the feeding unit; a tray unloading unit that picks up and moves the trays transported by the second conveyor; and a discharge rack on which the trays moved by the tray unloading unit are loaded. Claim 2 An automated tray subdivision device for ton bag feed according to claim 1, wherein the supply rack forms a first trolley section having a moving wheel at the bottom of a first loading box where a tray is loaded, and forms a first metal plate for magnetic binding with the tray loading section side on a face portion that contacts the tray loading section. Claim 3 An automated tray sorting device for ton bag feed according to claim 1, wherein the discharge rack forms a second trolley section having a moving wheel at the bottom of a second loading box where a tray is loaded, and forms a second metal plate for magnetic binding with the tray unloading section side on a face portion that contacts the tray unloading section. Claim 4 The tray loading unit according to claim 1 comprises: a plate-shaped first loading platform; a first axis guide that guides the first loading platform to slide in a vertical direction; a first lifting device that provides power to cause the first loading platform to move up and down in a vertical direction; a first pickup device installed on the first loading platform to pick up a tray loaded on a supply rack and move it to a position in the center of the first loading platform; a third conveyor that moves the tray moved by the first pickup device toward a first conveyor; and a first electromagnet unit installed on a face-to-face portion that contacts the supply rack side and configured to provide or block magnetic force for magnetically binding the supply rack by the on / off operation of a first switch; characterized in that it is an automated tray portioning device for ton bag feed. Claim 5 The tray unloading unit according to claim 1 comprises: a plate-shaped second loading platform; a second shaft guide that guides the second loading platform to slide in a vertical direction; a second lifting device including a second motor that provides power to move the second loading platform up and down in a vertical direction, a second ball screw connected to the rotation shaft of the second motor and rotating, and a second screw block installed on the second loading platform to which the second ball screw is spirally coupled; a fourth conveyor that moves a tray delivered from the second conveyor side to be positioned in the center of the second loading platform; a second pickup device installed on the second loading platform to pick up the tray and move it to a discharge rack for loading; and a second electromagnet unit installed on a face-to-face side that contacts the discharge rack side and configured to provide or block magnetic force for magnetically binding the discharge rack by the on / off operation of a second switch; characterized in that it is an automated tray sorting device for ton bag feed. Claim 6 The automated tray portioning device for ton bag feed according to claim 1, wherein the feeding unit comprises: a hopper filled with ton bag feed; a discharge unit extending to one side of the hopper and discharging and supplying feed to a tray carried on a first conveyor; an opening / closing door for controlling the opening and closing of the outlet of the discharge unit; and a squeegee for flattening the feed by allowing the top of the tray to pass in contact with the discharge unit after it has flowed. Claim 7 An automated tray subdivision device for ton bag feed according to claim 6, wherein a tray filled with feed in the feeding section is moved between floors by an elevator section and then transferred to a second conveyor that crosses in the opposite direction to the first conveyor at the lower section of the first conveyor, and wherein trays are supplied to the first conveyor and the second conveyor in accordance with the crossing timing of the upper section tray and the lower section tray so that feed flowing down during the flattening operation by the squeegee falls onto the tray loaded on the lower section second conveyor.

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