Bagged product accumulating system

By employing a servo motor-adjustable belt conveyor and an intermittent blade conveyor with a servo motor, the packaging machine efficiently discharges and transports bagged products at high speeds, addressing the challenges of direction changes and product quantity variations.

JP2025069030AInactive Publication Date: 2025-04-30CONTRACT CO TAKAHASHI TECHNICIAN OFFICE
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Patent Information

Application Number
JP2023200238
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-10-17
Publication Date
2025-04-30
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing horizontal pillow packaging machines face challenges in efficiently discharging and transporting bagged products, particularly in achieving high processing speeds with minimal direction changes, and accommodating variations in product quantity from three to five units.

Method used

The integration of a servo motor-adjustable belt conveyor at the outlet of the packaging machine, combined with an intermittent blade conveyor with a servo motor, allows for synchronized operation and adjustable speed to efficiently handle three or five units at high speeds, including 200 and 240 units per minute.

Benefits of technology

This solution enables efficient discharge and transport of products at high speeds with minimal direction changes, even in narrow spaces, while allowing for seamless switching between processing three or five units, thus enhancing operational efficiency and flexibility.

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Abstract

To provide a bagged product accumulating system capable of being switchable between a three-piece bag group and a five-piece bag group when products to be discharged from a pillow packaging machine are discharged by 200 pieces / min and 240 pieces / min.SOLUTION: In a bagged product accumulating system, a product discharged from a pillow packaging machine 1 is received by a crosspiece-equipped timing conveyor 3 and is timed by a servo motor or an encoder. At an exit of the crosspiece-equipped timing conveyor 3, a blade conveyer having a product-receiving plate 13 is disposed, and the product is directed in the lateral seal direction by the blade conveyer. A lateral seal stands up as the plate 13 is lifted. The product is received from the side face. Columns are disposed on both side faces of a frame of the blade conveyer. A plate 1 is attached at a predetermined height from the bottom of the blade of the blade conveyer. The servo motor is attached to the center of the plate 1. A plate 2 is attached at a position higher than the plate 1, and a 12 φ shaft is attached to its center. A plate 3 made of a plastic is disposed, and a groove of a vertical length of 95 mm and a width of 12.2 mm is formed at a position of 100 mm from the right end of the plate 3. A hole of 12.2 φ is opened at a position of 400 mm from its upper end. The plate 1 and the plate 2 are assembled by pins. When the servo motor is rotated once, the tip portion of the plate 3 performs an elliptic motion, and thereby the product can be discharged by a higher speed box motion during an intermittent operation stop time.SELECTED DRAWING: Figure 2
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Description

[Technical field]

[0001] When bagged products (bag ramen) are discharged from the horizontal pillow packaging machine, they are accumulated in groups of 3 or 5 and transported to the next process. [Background technology]

[0002] The product dimensions are length W 160 mm, width 130 mm, height and thickness 35 mm, and weight 130 gum. Five or three bags of products are accumulated and then put into a large pillow-wrapped bag. There are two main types of accumulation devices for this purpose: (1) method receives the product on a circular star wheel, rotates 90 degrees, pushes out the previous product while receiving the product on a receiving plate and pushing them out in sequence. After accumulating five times, the product is removed at high speed and supplied to the next process by a conveying device in a 90° direction; (2) method receives the product on a blade conveyor, which then turns 90° after discharge. Both methods involve direction changes, and both methods have problems with speeds of 200 pcs / min and 240 pcs / min for 3-pack packaging, and 67 pcs / min and 80 pcs / min for 3-pack packaging. [Prior art documents] [Patent documents]

[0003] [Patent documents] Patent Publication No. 11-227713 [Patent documents] Patent Publication 2001-199533 [Patent documents] Patent Publication No. 2010-6919 Summary of the Invention Problems that the invention aims to solve

[0004] The processing speed is 200 pieces / min or 240 pieces / min, and the system can accumulate 3 pieces, with little change in direction, and can switch between 3 and 5 pieces even in a small space.

[0005] The belt conveyor at the exit of the horizontal pillow packaging machine is equipped with a servo motor and has an adjustable speed, allowing defective products to be discharged onto the conveyor. The timing belt conveyor for the next process is equipped with a servo motor and has a belt width of 100 mm, a slat pitch of 300 mm and a slat height of 30 mm, and operates in sync with the pillow packaging machine in the previous process. If the pillow packaging machine is servo motorized, it will be servo synchronized, and if it is a transport motor, an encoder is attached to one of the rotating shafts for synchronous operation. The product is inserted at the connecting part so that it is in contact with the slat ahead of the movement, and the product is timed to be returned to the slat by a guide during transport on the hand conveyor.

[0006] At the exit of the slatted conveyor, a blade-type intermittent conveyor with a servo motor is installed in a 90° direction. The width of the blade is 50% (80 mm) of the product length L160 mm, with a receiving plate of 40 mm width at the front and back, 25% each. The height of the blade is 70% of the product width W, 91 mm.

[0007] The blade conveyor has a chain pitch of 19.05 mm, a blade pitch of 38.1 mm, and a sprocket pitch of 19.05 mm. The products are accepted by the sides of the blades, which have 32 teeth at 90° degrees, 8 teeth, and 4 pitches, and the timing is set to coincide with the stop of the intermittent operation. At a speed of 200 pieces / minute, the interval is set to 0.30 seconds, with 0.15 seconds of movement and 0.15 seconds of stop, and at a speed of 240 pieces / minute, the interval is set to 0.25 seconds, with 0.125 seconds of movement and 0.125 seconds of stop. During product transport, the receiving plates at the front and back 25% of the blade width are inclined and lifted by 10% of the product width of 130 mm, or 13 mm.

[0008] Attach 400 mm square pillars vertically to both sides of the 500 mm wide frame plate of the blade plate conveyor, and attach plate pillars A and B, which are 100 mm wide, 1630 mm long, and 10 mm thick, at a 90° angle to both sides of the pillars. Attach plate 1, which is 80 mm wide, to a height of 813 mm from the bottom of the blade plate of the blade plate conveyor, and attach 60 mm to the center of the plate. φ Drill a hole of 160 mm, attach a servo motor to the hole, and attach a 160 mm motor shaft to the φ A plastic (MC nylon) disk of 12 mm is attached, its center is P1, and a 12 mm hole is placed 70 mm from the center of P1.φ Drill a hole of 12 mm and insert a 12 mm hole into it. φ Set the axis of the mounting as P2. 300 mm higher than the center of plate 1, and place plate 2 with a width of 50 mm and a thickness of 6 mm at a height of H13 mm. φ Drill a hole in φ Attach a millimeter axis and define that axis as O1.

[0009] Plate 3 is made of plastic (MC nylon) and is 1000 mm long, 25 mm wide, and 10 mm thick. Holes are drilled 90 mm long and 12.2 mm wide on both sides at a position 100 mm from the right end to create long grooves. φ Drill a hole of 12.2 mm φ Drill a 6.5 mm hole at the 35 mm center and 25 mm above and below on the 10 mm plate thickness surface at the left end. φ Drill one hole of 1 mm in each plate, and attach plate 4, which is 114 mm wide when stacking three plates, or plate 5, which is 190 mm wide when stacking five plates.The tip of plate 3 is designated as point O2.

[0010] P2 axis of disk P1 and 12.2 of plate 3 φ Assemble the millimeter hole and the O1 axis of plate 2 and the 12.2 mm wide groove of plate 3, and attach a collar to each axis to prevent them from jumping out. In this state, when the servo motor rotates once, P2 rotates once, plate 3 swings left and right with point O1 as the fulcrum, moving 70 mm up and down, point P2 moves 70 mm up, down, and left and right, and point O2 at the tip performs an elliptical movement of 70 mm up and down and 420 mm left and right.

[0011] The lowest points of points O1 and O2 are O1C and O2C, and the boards A and B are readjusted so that the slats and support boards are in contact with O2C and the 130 cm high product, respectively. The left end of the 160 cm wide product is designated as A, and the right end as B. The points connecting O1C and A and O1C and B and intersecting with the circle P are designated as P2, A, and P2B. P2A and P1 are connected to P2A and P2B, which are parts of a circle. 1 / 3 of the product length A and B, or 0.053 m, are shared. The circumference of the P2 circle is 0.14π, or 0.439 m, and 0.053 m is equivalent to 12%. The time for P21 to rotate is 3 times 0.30 seconds, or 0.9 seconds, and 12% of that is 0.108 seconds. The product length is 0.16 In TIFF2025069030000002.tif12170, the speed at which 0.16m of product progresses in 0.15 seconds is 1.06m / sec, which is 63.6m / min and 88.8m / min faster. In the case of 240 pieces / min, 0.9 seconds changes to 0.75 seconds, and 0.15 seconds changes to 0.125 seconds, and the discharge speed is 106m / min, which is faster than the set 76.8m / min. Effects of the invention

[0012] The speed is 240 pieces / min, and the cycle is 0.25 seconds. The accumulation of 3 or 5 products is possible by changing the setting conditions, and the space can be made compact. The intermittent conveyor with slats cannot be switched to the system where the horizontal seal is on the top or bottom depending on the product specifications, but the setting conditions are set in a straight line, and the above method is possible. [Brief description of the drawings]

[0013] [Figure 1] Product diagram L (length), W (width), H (thickness) [Diagram 2] Overall layout of the complex, plan and elevation [Diagram 3] Product receiving section diagram, timing adjustment, plan, elevation [Figure 4] Blades: Inlet plane, product enters from the side, [Diagram 5] (1) Accumulation section (2) Accumulation operation diagram P1O1300mm, P1O2600mm, P1P2140mm Time, angle, speed relationship diagram DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] The belt conveyor at the exit of the pillow packaging machine is equipped with a servo motor and is variable speed to deal with changes, products are inspected, defective products are discharged and only good products are sent to the next process, and a chute supplies them to the slatted conveyor belt for the next process, the slatted conveyor is 100 mm wide with a slat pitch of 300 mm, the pitch of two products. Synchronous control with the pillow packaging machine is performed, and the timing for servo synchronization or encoder synchronization is such that the product is sent in when in contact with the previous slat and received and sent by the next slat, and the slat sending standard is aligned with the guide during transport on the conveyor.

[0015] The blade conveyor that receives the products is positioned at 90° to the cross-piece conveyor, and operates intermittently while always waiting in a stopped state, and is activated by a sensor that detects the products. The feed pitch of the blade conveyor is 38.1 mm (19. 05 Pitch chain 2 links) with sprocket pitch 19. 05 With 32 peaks, 8 peaks at 90°, and 4 pitches, the blades are open and accept the product horizontally from the side at 90°, and rise 90° in 4 pitches so that the product is standing vertically.The width of the blades is 1 / 2 the product's L (length) dimension, and the remaining 1 / 2 and 1 / 2 are front and rear support plates to receive the product.The height of the blades is 70% of the product's width W dimension, with 30% protruding from the top.Intermittent operation; at 200 pieces / min, it stops for 0.15 seconds and moves for 0.15 seconds, and at 240 pieces / min, it performs a 0.25 second cycle of stopping for 0.125 seconds and moving for 0.125 seconds.During transport, the front and rear 1 / 4 and 1 / 4 support plates are lifted by 10% of the product's width dimension, and the part protruding outside the upper side is 40%.

[0016] As the blade conveyor advances, if the product detection sensor detects the product, the discharge device will discharge three products in 0.15 seconds for one stop of intermittent operation at 200 products / min in the case of 3 products accumulated, and will return to the starting position in 0.90 seconds for one rotation. During that 0.90 seconds, the blade conveyor advances three product buckets, stops instantly, and then starts the next operation. The discharge operation is a system in which a long arm plate performs an elliptical rotational motion with an expanded swinging motion and up and down motion for one rotation, and the device is as follows:

[0017] The structure of the intermittent movement conveyor for the blades is a 400mm wide plate with 8mm plates on both sides, sandwiched between pipes and secured with screws, the plate width is 500mm, a sprocket is attached 200mm above the center, and square pipe legs are attached to both the front and back sides. 25mm square pillars are attached vertically to the left and right of the 8mm plate in the discharge position, and plate pillars A and B, each 10mm thick and 1620mm long, are attached to the pillars at a 90° angle to the frame plate so that the height can be adjusted. Plates 80mm wide and 6mm thick are attached to plate pillars A and B at a height of 813mm from the bottom of the blades of the blade conveyor, and 60mm is attached to the center of the plate. φ Drill a hole of 160 mm, attach a servo motor, and attach a 160 mm hole to the servo motor shaft. φ A plastic (MC nylon) plate with a thickness of 10 mm is attached, and the center of the plate is P1, and 12 is placed 70 mm from P1. φ Drill a hole and insert 12 φ The shaft is attached and the shaft is designated as P2.

[0018] Mounting plate A and plate B are 300 mm higher, at a height of 1,113 mm, and plate 2 is 50 mm wide and 6 mm thick. A 12 mm hole is drilled in the center. φ Attach a millimeter shaft and call that shaft O1.

[0019] A plastic (MC nylon) plate is 10 mm thick, 25 mm wide, and 1000 mm long. A 90 mm wide strip is placed 100 mm from the top end. φ The cutting process is performed with a cutting edge of 12.2 mm, and a groove with a width of 12.2 mm and a length of 18.0 mm is added. φ A plastic plate is made of 6.5mm diameter holes drilled at 25mm pitch on each side 35mm from the bottom end, and this plate is called plate 3. The plate is fitted with these holes, and a 3-piece extrusion plate is called plate 4, with a width of 117mm and a height of 40mm. A plate with a width of 195mm and a height of 40mm is called plate 5.

[0020] Plate 3 12.2 φ 12 holes for mounting the disk φ Axis P2 is attached to plate 2. φWhen the shaft of shaft C1 is fitted with a slot having a width of 12.2 mm and a width of 180 mm, and three servo motors are integrated, one rotation takes 0.9 seconds, the product that has been stopped for 0.15 seconds is discharged, plate 3 rises, and while rotating the blade plate conveyor advances three pitches to prepare for the next discharge.

[0021] With point P1 as the base point for plate 3, point O1 is set 300 mm above and point O2 is set 600 mm below, and when axis P2, which has a radius of 70 mm, rotates once around point P1, plate 3 swings up and down 70 mm and left and right from point O1. Point O2 is set 600 mm ahead of the leading edge of plate 3, and point O2 moves 70 mm above, 70 mm below, and 140 mm up and down, swinging left and right a width of 420 mm, performing an elliptical motion. When the blade plate is at its lowest point with a width of 70 mm and in contact with the product, the point of contact is O2C, and when push plate 4 or plate 5 is attached, the product can be discharged and pushed out. The surface where O2C contacts the product can be adjusted as necessary by adjusting the mounting height of plate pillars A and B.

[0022] TIFF2025069030000003.tif15170Let the intersections be P2A and P2P. The distance between AB is 160 mm. The distance between P2A and P2B is 1 / 3 of the product width, or 0.053 m. The 0.053 mm of the P2 circle is common. The circumference of the P2 circle TIFF2025069030000004.tif13170If the time is 200 pieces / minute, 0.3 seconds x 3 = 0.9 seconds, and 12.0% of 0.9 seconds is 0.108 seconds. The length of P1A and P1B and the distance between AB are three times as long, but the time is the same and the speed is increased to 0.16 ÷ 0.108 = 1.48 (m / second) 1.48 x 60 = 88.8 (m / minute). The stop time of the blade conveyor is 60÷200=0.30 (seconds), or 1 / 2, or 0.15 seconds, and its movement speed is 0.16÷0.15=1.06 (m / second) 1.06×60=63.9 (m / min), and the above 88.3 m / min is a fast speed at which the material is discharged.

[0023] If the speed is 240 pieces / min, and the cycle is 0.25 seconds, with movement and stopping in 0.125 seconds, then 3 products will be produced in a cycle of 0.75 seconds, and the ratio is 12.0%, which is 0.09 seconds, so 0.16 ÷ 0.09 = 1.77 (m / sec) 1.77 × 60 = 106 (m / min). The stop time of the blade conveyor is 0.125 seconds, and the speed is 1.28m / s (76.8m / min), which is faster than the above 106.0m / min, making it possible to discharge. A simple method using a single servo motor with an oscillating up and down motion allows for 200 pieces / min, 67 times, 240 pieces / min, and 80 times / min.

[0024] The discharged products are received on a conveyor belt and then discharged to the next process to complete the process.

[0025] The choice between convenience and stability comes down to whether to change from a double-support structure of plate pillar A and plate pillar B to a single-support structure of plate pillar A, process plate pillar A and plates 1 and 2 into uneven shapes, weld them together to form an integrated structure, process the 25mm square pillar and plate pillar A into uneven shapes, and support a load of about 30 kg for plate pillar A, plates 1, 2, and 3, the disc, and the servo motors in a single-support structure. Possibility of industrial application

[0026] The box motion device is placed on the top, so it does not take up much space and can be used to move products at high speeds from low to high speeds. In terms of operation, the driving point, fulcrum, and operating point all move up and down with the P2 stroke, so it can be used over a wide range by changing 300, 600, P1, and P2. [Explanation of symbols]

[0027] 1. Horizontal pillow packaging machine 2, Defective ejector 3. Conveyor belt with crosspieces 4. Blade inlet blade plate 5 Product detection sensor 6. Servo motor 7 Accumulation and discharge section, 8, Board A, Board B 9. Plates 1, 2, 3, 4, and 5 (Plates 3, 4, and 5) are MC nylon 10. Rotating disc (MC Nylon, manufactured by Mitsubishi Plastics, Inc.) 11, Center points P1, P2, O1, O2, 12, Product A point, B point, AP2 point, BP2 point, 13. Support plate

Claims

[Claim 1] Products with product dimensions of length L 160 mm, width W 130 mm, thickness H 35 mm, and weight 130 grams are discharged at 200 units per minute from the horizontal pillow packaging machine in the previous process, and are received by a continuously operating timing conveyor with a width of 100 mm and a batten pitch of 300 mm. The timing is synchronized with the servo or encoder, and the products are aligned with the batten standard using a guide during transport, and are inserted when the intermittent blade conveyor in the next process stops. The blade conveyor is installed at a 90° angle, and the products are inserted from the side of the blade. The width of the blade is 1 / 2 of the product width of 160 mm. A support plate is attached at 80 mm from front to back and 40 mm from back to front. The height of the blade is 91 mm, 70% of the product width of 130 mm, at a 90° angle with a 19.05 mm pitch 32-tooth sprocket. When the blade with a 38.1 mm pitch rises in 4 pitches, the horizontal seal is in an upright position. The operation of 200 pieces per minute is set to 0.30 seconds, with 0.15 seconds of movement and 0.15 seconds of stop. During the movement, the support plate is raised by 10% of the product width so that it protrudes by 40%. The blade conveyor is 400 mm wide, with 8 mm plates sandwiched between pipes on both sides and secured with screws. The plate width is 500 mm, and a sprocket is attached at the top center 200 mm. Square pipe legs are attached to both the front and back sides. At the discharge position, 25 mm square pillars are attached vertically to the 8 mm plates on both sides, and plate pillars A and B, which are 10 mm thick and 1620 mm in diameter, are attached vertically at a 90° angle to the frame plate so that the height can be adjusted. Plate 1, 80 mm wide and 6 mm thick, is attached to plate pillars A and B at a height of 813 mm from the bottom of the slats, and 65 mm is placed at the center. φ Drill a hole of 160 mm, attach a servo motor, and set it at the center. φ A plastic (MC nylon) disk with a thickness of 10 mm is attached, and its center is P 1 Toshi P 1 12 at 70 mm from φ Drill one hole of 12 mm and insert it into the hole. φ Attach the millimeter shaft and 2 Plate 2, 50 mm wide and 6 mm thick, is attached at a position 300 mm higher than plate 1, and 12 mm is placed at the center of the plate. φ Drill a 12 mm hole φ Attach the shaft and rotate it to O 1 The plate 3 is made of plastic (MC nylon) and is 1000 mm long, 25 mm wide, and 10 mm thick. A groove is machined at a position 100 mm from the top end, measuring 90 mm above and below and 12.2 mm wide. A groove is machined at a position 100 + 300 = 400 mm from the top end. φ Drill one hole of 6.5 mm at the tip of the board, 10 mm on the side, and 50 mm at the φ Drill one mm hole in each of the long groove and C of plate 3. 1 12.2 φ Millimeter hole and P 2 Then, the tip of the plate 3 is 2 Define, C 1 , P 2 A collar is attached to the shaft to prevent it from jumping out. When the servo motor is rotated once in this state, the plate 3 moves to P 1 Center point P 2 rotates once, C 1 The point moves up and down with a width of 140 mm while swinging left and right, 2 The point performs a 420 mm swing motion left and right and a 140 mm up and down motion, performing an elliptical motion of 420 mm and 140 mm. The product on the receiving plate is in the lowest position of plate 3. 2 With points A and C in contact, readjust the heights of the plate columns, A and B, attach the push plate and plate 4, and rotate the servo motor once to eject the product. The two ends of the top surface of the product are defined as points A and B, and O 1 The position 70 mm below the point is O. 1 C and AO 1 C, B.O. 1 Connect C and the line with P 2 Circle intersection, P 2 A, P 2 B and P 2 A, P 2 B is 1 / 3 of line A and B, which is 0.16÷3=0.053m. P 2 P on the circumference 2 A, P 2 B shares, P 2 The circumference of the circle is 0.14π, or 0.439 m, so P 2 A, P 2 The ratio of B on the circumference is 0.053÷0.439=0.12, which is 12%, and P 2 The time it takes for the circle to rotate once is 0.30 x 3 = 0.90 seconds, and 12% of that is 0.108 seconds, which is equal to the time it takes for products A and B to move, so 0.16 ÷ 0.108 = 1.48 (m / sec) is a speed of 1.48 x 60 = 88.8 (m / min). Product 0.16÷0.15=1.06 (m / sec) 1.06×60=63.9 (m / min), faster than this speed the product passes and can be discharged, 200 pieces / min 3 piece stacking 67 times / min is possible. In the case of 240 pieces / min, the cycle time is 0.25 seconds to move, the stop time is set to 0.125 seconds, the speed at which the product moves 0.16m in 0.125 seconds is 76m / min, and if the same calculation is performed with a cycle time of 0.75 seconds for 3 pieces stacked, the speed becomes 106.8m / min, faster than 76m / min the product passes, 240 pieces / min 3 piece stacking 80 times / min is possible. In the case of 5 pieces stacking, the same conditions are used and the waiting time is longer. This method allows for packaging in small portions to meet market demands for a wide variety of products. 1 , C 1 Fix the plate 3 C 1 By making the point a long slot with a width of 190, it can swing left and right, 2 Rotate the circle to move up and down. 1 , C 1 300 mm, P 1 C 2 By setting it at 600 mm, C 2 This stacking device is characterized by a single servo motor performing a box motion with an elliptical movement of 420 mm at the point and 140 mm up and down movement, and stacking and discharging products.

Citation Information

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