Packaging equipment and control method for easily expandable carton packaging lines

Abstract

This invention belongs to the field of cardboard packaging technology, and particularly relates to a packaging equipment for easily expandable cardboard packaging lines. It includes a packing assembly and a flipping assembly. The packing assembly is used to transfer cardboard boxes, which are inverted and attached to a first conveyor assembly, onto corresponding goods. The flipping assembly is used to press and flip the inverted, packed cardboard boxes from a second conveyor assembly 180 degrees to an open-up position, and then transfer them to the next process. This invention allows for the arrangement of several packing assemblies along the conveying directions of the first and second conveyor assemblies according to the actual production capacity requirements of the factory, achieving the goal of expanding the cardboard packaging line as needed. Furthermore, since the expansion of the cardboard packaging line only involves increasing or decreasing the number of packing assemblies rather than increasing or decreasing the total number of structures, it achieves the goal of expanding the cardboard packaging line at a low cost.

Description

Technical Field

[0001] This invention belongs to the field of cardboard packaging technology, and in particular relates to a packaging equipment and control method for easily expandable cardboard packaging lines. Background Technology

[0002] Existing complete cardboard packaging lines, organized by assembly line processes, include cardboard box forming, packing, unpacking and sealing, and strapping / packing stations. The packing station employs both automatic packing machines and manual assisted packing. Manual assisted packing is less efficient, while automatic packing machines typically use three methods: drop packing, side-push packing, and robotic gripper packing. Drop packing machines are core equipment in cardboard packaging lines for high-speed processing of regular, drop-resistant products. They complete packing through gravity-feeding, offering a simple structure, high efficiency, and low maintenance costs; however, gravity-feeding can cause damage to goods. Side-push packing machines are core equipment in cardboard packaging lines for processing regular, fragile products with high appearance requirements. They smoothly feed rows of products into cartons via horizontal pushers, offering reliable structure and good product protection. However, side-push packing requires additional auxiliary structures for positioning cartons, resulting in a more complex overall structure. Robotic arm gripper and carton packer is the most adaptable and precise high-end equipment in carton packaging lines. It uses a robotic arm and end effector to precisely grip products and put them into cartons. Combined with vision guidance technology, it achieves flexible production. However, robotic arm gripper and carton packer also have the risk of goods being damaged by vibration during the gripping process.

[0003] In addition, existing packaging structures are complex and difficult to expand to meet the production capacity requirements of factory production lines that require adjustments to output as needed.

[0004] This invention designs a packaging equipment that can be easily expanded into a cardboard box packaging line to solve the above problems. Summary of the Invention

[0005] Therefore, it is necessary to address the problems existing in current cardboard packaging equipment by providing a packaging device that can easily expand the cardboard packaging line. This device uses a gripping assembly and a shearing assembly to secure the cardboard box to the goods, completing the box-to-goods packing. A flipping assembly then flips the box, which has been inverted and packed, 180 degrees upwards, thus avoiding the risk of damage to goods due to falling during packing and simplifying the equipment structure. This invention can arrange several packing assemblies along the transmission directions of the first and second transmission assemblies according to the actual production capacity needs of the factory, achieving the goal of expanding the cardboard packaging line as needed.

[0006] The above objectives are achieved through the following technical solutions: A packaging equipment for easily expandable carton packaging lines, used for carton packing, comprising: The first transmission component is used to transport the inverted cardboard boxes.

[0007] A second transmission component, located alongside the first transmission component, is used for synchronous, equal-frequency transmission of goods that match the cartons.

[0008] A packing assembly straddling the first and second transmission assemblies is used to transfer cartons inverted on the first transmission assembly to the corresponding goods. The packing assembly includes a height adjustment structure, the top of which is provided with a crossbeam. The crossbeam is provided with a carton gripping assembly for gripping and transferring cartons and a deflector assembly that flips the four sealing plates of the carton outward so that the carton can be smoothly and completely packed onto the goods under the push of the carton gripping assembly.

[0009] The flipping component, located at the end of the second transmission component, is used to press and flip the inverted cartons from the second transmission component 180 degrees to an open-up state and transfer them to the next process.

[0010] The third transfer component is used to receive the boxed cartons that have been flipped by the flipping component and to transfer the boxed cartons to the next process.

[0011] In one embodiment, the first transmission component includes a first support, on which a first transmission belt is disposed via two first transmission rollers, and a roller shaft of one of the first transmission rollers is connected to a first motor on the first support.

[0012] In one embodiment, the second transmission component includes a second support, on which a second transmission belt is provided via two second transmission rollers, and the roller shaft of one of the second transmission rollers is connected to a second motor on the second support.

[0013] In one embodiment, the flipping assembly includes a third bracket with two symmetrical lugs on both sides. The two lugs are hinged to a second bracket via fixing pins. A first gear is mounted on one fixing pin, meshing with a second gear mounted on the second bracket. A worm gear coaxially connected to the second gear meshes with a worm mounted on the second bracket. The worm is driven by a third motor mounted on the second bracket. A third conveyor belt, receiving cartons already inverted from a second conveyor belt, is mounted on the third bracket via two third conveyor rollers. The roller shaft of one of the third conveyor rollers is driven by a fourth motor mounted on the third bracket. Two first guide sleeves are symmetrically arranged at one end of the third bracket. A first sliding rod slides within the first guide sleeve in a direction perpendicular to the working surface of the third conveyor belt. A fourth connecting rod and a fourth bracket are respectively mounted at the ends of the two first sliding rods. A fourth conveyor belt is mounted on the fourth bracket via two fourth conveyor rollers. The working surface of the fourth conveyor belt is parallel to the working surface of the third conveyor belt. The roller shaft of one of the fourth conveyor rollers is driven by a tenth motor mounted on the fourth bracket. The two first guide sleeves are connected by a first connecting rod and a... The second connecting rod is integrally connected, and the first connecting rod is provided with a third guide rod. The third guide rod slides in the guide hole on the fourth connecting rod. A first spring that drives the fourth conveyor belt to approach the third conveyor belt is connected between the first connecting rod and the fourth connecting rod. Two second guide sleeves are symmetrically arranged on the two first guide sleeves. Locking rods slide inside the second guide sleeves in a direction parallel to the movement of the working surface of the third conveyor belt. One end of each locking rod is provided with a sharp angle that engages with the tooth groove on the first sliding rod. The engagement of the sharp angle with the tooth groove prevents the fourth conveyor belt from approaching the third conveyor belt but does not prevent the fourth conveyor belt from moving away from the third conveyor belt. The other ends of the two locking rods are integrally connected by a third connecting rod. A trigger rod that cooperates with the carton is provided in the middle of the third connecting rod. The trigger rod slides in the guide hole on the second connecting rod. A second spring is connected between the third connecting rod and the second connecting rod to allow the tip of the first sliding rod to insert into the tooth groove. Two first rollers are symmetrically arranged on both sides of the fourth bracket. The first rollers cooperate with a reset plate provided on the second bracket. The reset plate is provided with a reset arc surface that resets the fourth conveyor belt away from the third conveyor belt by cooperating with the first rollers and a guide slope that guides the first rollers to the reset arc surface.

[0014] In one embodiment, the third transmission assembly includes a fifth support, on which a fifth transmission belt for receiving cartons from a fourth transmission belt is mounted via two fifth transmission rollers, and one of the fifth transmission rollers is drivenly connected to a fifth motor on the fifth support.

[0015] In one embodiment, the height adjustment structure includes two first sleeves, each containing a second sliding rod whose top end is connected to a crossbeam. A locking bolt that mates with the second sliding rod is provided in a threaded hole on the side wall of the first sleeve.

[0016] In one embodiment, the gripping box assembly includes a slide block that slides horizontally within a groove on a crossbeam along the transverse arrangement direction of the first and second conveyor belts. Two first guide rods slide vertically within two guide holes on the slide block. A base is provided at the lower end of each of the two first guide rods. Two support rods are symmetrically arranged on the lower side of the base. A V-rod is hinged to the lower end of each support rod. A second rod sleeve slides on one end of the V-rod. The end of the second rod sleeve is hinged to the lower end of a third slide rod that slides vertically within a guide hole on the base. A push plate is provided at the lower end of the third slide rod via a push rod. A silicone clamping post is provided at the other end of the V-rod. Two L-rods are symmetrically arranged on both sides of the base. The slide block is threadedly connected to two screws symmetrically arranged on the crossbeam. Each of the two screws is equipped with a ninth gear. Nine gears mesh together with a fourth gear mounted on a crossbeam. One screw is connected to an eighth motor mounted on the crossbeam. A vertical first shaft is rotatably mounted on the slide. The upper end of the first shaft is connected to a sixth motor mounted on the slide. A fifteenth gear is mounted on the lower end of the first shaft. The fifteenth gear meshes with two third gears mounted on the lower side of the slide. Both third gears are coaxially connected to a fourth gear. The fourth gear meshes with a fifth gear mounted on the slide. The fifth gear is coaxially connected to a sixth gear that meshes with a first guide rod on the corresponding side. A first fixed sleeve is mounted on the base. A threaded sleeve that is threadedly connected to a third slide rod is rotatably mounted on the first fixed sleeve. A seventh gear is mounted on the threaded sleeve. The seventh gear meshes with an eighth gear on the output shaft of the seventh motor on the base.

[0017] In one embodiment, the toggle assembly includes two second guide rods distributed in a direction parallel to the movement of the second conveyor belt's working surface. The second guide rods slide vertically within a third guide sleeve mounted on a crossbeam via a fixed rod. A gantry is provided at the lower end of each of the two second guide rods. A third spring connects the gantry to the corresponding fixed rod, causing the second guide rod to move upwards. A horizontally positioned frame, cooperating with an L-shaped rod, is provided on each of the two gantry frames. A fourth guide sleeve is provided at the center of each of the four side rods of the frame. A fourth slide rod slides horizontally within each fourth guide sleeve in a direction perpendicular to the corresponding side rod. A second fixed sleeve is provided at the inner end of each fourth slide rod. A second rotating shaft parallel to the corresponding side rod is rotatably arranged inside the fixed sleeve. A second locking block is provided on the second rotating shaft, which cooperates with a first locking block on the corresponding second fixed sleeve. Two parallel inclined rods are symmetrically arranged at both ends of the second rotating shaft. A hook rod perpendicular to the lower inner side of the inclined rod is provided. A second roller with an axis parallel to the second rotating shaft is provided at the end of the hook rod. A spiral spring that causes the inclined rod to swing inward is connected between the second rotating shaft and the second fixed sleeve. A synchronous adjustment component for adjusting the distance between two relative fourth sliding rods is provided on the upper side of the frame, and a synchronous adjustment component for adjusting the distance between two other relative fourth sliding rods is provided on the lower side of the frame.

[0018] In one embodiment, the synchronization adjustment assembly includes two eleventh gears that mesh with the corresponding two fourth slide rods and a fourth rotating shaft disposed on the frame. The eleventh gears are disposed on the side rod where the corresponding fourth guide sleeve is located via a third rotating shaft. A thirteenth gear is disposed on the third rotating shaft. The two thirteenth gears mesh with the two fourteenth gears at both ends of the fourth rotating shaft. One of the eleventh gears meshes with the twelfth gear on the output shaft of the ninth motor on the frame.

[0019] A control method for packaging equipment with easily expandable carton packaging lines is as follows: S1. Adjust the spacing of the four pairs of diagonal bars in the dial assembly and the height of the crossbeam at the top of the assembly according to the size specifications of the carton.

[0020] S2. The two V-bars of the box gripping assembly drive the two clamping columns to grip the carton that is upside down on the first conveyor belt and transfer it laterally to the top of the frame of the toggle assembly. The four sealing plates of the carton are in a drooping state.

[0021] S3. The carton gripping assembly drives the carton to move downwards. During the downward movement of the carton, the four sealing plates of the carton are flipped outwards by a pair of hooks on the corresponding side and are finally pressed against the outer wall of the carton by the corresponding two second rollers.

[0022] S4. After the four sealing plates of the carton are flipped outward and pressed against the outer wall of the carton, the toggle assembly moves downward synchronously with the carton gripping assembly under the pressure of the L rod to keep the sealing plates in a state of being flipped outward and pressed against the outer wall of the carton. Finally, the carton is fitted onto the goods on the second conveyor belt under the combined action of the carton gripping assembly and the toggle assembly. S5. The two V-bars of the box gripping assembly drive the two clamping columns to release the carton. At the same time, the push plate in the box gripping assembly pushes the carton downward as the two clamping columns open, so that the carton is completely fitted onto the goods.

[0023] S6. The box gripping assembly moves upward to detach from the carton. The deflector assembly moves upward to detach from the carton under the reset action of the two third springs. After the box gripping assembly detaches from the deflector assembly, it performs a horizontal reset. At the same time, the second conveyor belt transfers the carton that has been inverted and packed to the fourth conveyor belt of the flipping assembly.

[0024] S7. The flipping component drives the carton to flip 180 degrees, so that the carton containing the goods is positioned with its opening facing upward on the fourth conveyor belt of the flipping component and is conveyed by the fourth conveyor belt to the fifth conveyor belt to move to the next process. During the flipping process, the carton triggers the trigger rod to unlock under the action of gravity. The fourth conveyor belt presses the carton under the action of the first spring. After the carton has finished flipping, the fourth conveyor belt is reset relative to the third conveyor belt under the action of the reset plate.

[0025] The beneficial effects of this invention are: 1. This invention uses a box-gripping assembly to pick up cartons inverted on a first conveyor belt and attach them to goods on a second conveyor belt, thus completing the carton-to-goods packing process. During the process of the box-gripping assembly grabbing the carton and attaching it to the goods, a deflector assembly flips the four sealing plates of the carton outwards, ensuring that the sealing plates do not obstruct the goods from entering the carton while guaranteeing that the goods are fully inserted into the carton. Compared to existing drop-loading and robotic arm-grabbing packing methods, this invention, through the cooperation of the box-gripping assembly and the deflector assembly, completely avoids the risk of damage caused by goods falling during packing. Compared to existing side-push packing methods, this invention, through the cooperation of the box-gripping assembly and the deflector assembly, eliminates the need for additional carton positioning structures during packing, resulting in a simpler equipment structure and lower cost.

[0026] 2. The box gripping assembly and the toggle assembly in this invention can be adapted to the packing operation of cartons of different sizes and specifications, effectively overcoming the shortcomings of existing packing equipment that can only pack cartons of a single size and specification.

[0027] 3. The present invention uses a flipping component located at the end of the second transmission component to flip the carton that has been inverted and packed with goods by 180 degrees, so that the opening of the carton is facing upward and it is transferred to the third transmission component for the sealing process. During the flipping process, the flipping component presses the carton containing the goods, and releases the pressure after the carton is flipped, so as to prevent the goods from being thrown out and falling due to centrifugal force during the flipping process and to facilitate the carton to move to the next process after the flipping is completed.

[0028] 4. The present invention can arrange several packing components along the transmission direction of the first transmission component and the second transmission component according to the actual needs of the factory's production capacity, so as to achieve the purpose of expanding the carton packaging line as needed. Since the expansion of the carton packaging line only increases or decreases the number of packing components rather than the total number of structures, the purpose of expanding the carton packaging line at a low cost can be achieved. Attached Figure Description

[0029] Figure 1 This is an overall schematic diagram of the invention; Figure 2 This is a schematic diagram of the process of transferring cartons and goods and grasping cartons according to the present invention; Figure 3 This is a cross-sectional view of the process of transferring cartons and goods and grasping cartons according to the present invention; Figure 4 This is a schematic diagram of the packaging process of the present invention; Figure 5 This is a cross-sectional view of the packing process of the present invention; Figure 6 This is a cross-sectional view of the flipping component flipping the carton being packed. Figure 7 This is a cross-sectional view of the grab box assembly; Figure 8 This is a partial cross-sectional view of the grab box assembly; Figure 9 This is a partial schematic diagram of the box-grabbing assembly; Figure 10 This is a cross-sectional view of the packaged components; Figure 11 This is a schematic diagram of the toggle assembly; Figure 12 It is a view of the structure on the box and its cross-section; Figure 13 This is a partial cross-sectional view of the dial assembly; Figure 14 This is a schematic diagram of a diagonal brace structure; Figure 15 This is a schematic diagram of the first transmission component; Figure 16 This is a schematic diagram of the second transmission component; Figure 17 This is a schematic diagram of the flip component; Figure 18 This is the first cross-sectional view of the flip component; Figure 19 This is the second cross-sectional view of the flip component; Figure 20 This is the third cross-sectional view of the flip component; Figure 21 This is a schematic diagram of the third transmission component; Labels in the diagram: 100. First transmission assembly; 101. First support; 102. First transmission roller; 103. First transmission belt; 104. First motor; 200. Second transmission assembly; 201. Second support; 202. Second transmission roller; 203. Second transmission belt; 204. Second motor; 300. Flipping assembly; 301. Reset plate; 302. Guide slope; 303. Reset arc surface; 304. Third bracket; 305. Support lug; 306. Fixing pin; 307. First gear; 308. Second gear; 309. Turbine; 310. Worm gear; 311. Third motor; 312. Third transmission roller; 313. Third transmission belt; 314. Fourth motor; 315. First guide sleeve; 316. First connecting rod; 17. Third guide rod; 318. First spring; 319. Second connecting rod; 320. First slide rod; 321. Toothed groove; 322. Second guide sleeve; 323. Locking rod; 324. Sharp corner; 325. Third connecting rod; 326. Trigger rod; 327. Second spring; 328. Fourth bracket; 329. Fourth transmission roller; 330. Fourth transmission belt; 331. Tenth motor; 332. First roller; 333. Fourth connecting rod; 400. Third transmission component; 401. Fifth support; 402. Fifth transmission roller; 403. Fifth transmission belt; 404. Fifth motor; 500. Packing assembly; 501. First rod sleeve; 502. Locking bolt; 503. Crossbeam; 504. Slide groove; 505. Box gripping assembly; 506. Slide seat; 507. First guide rod; 508. Sixth motor; 509. First rotating shaft; 510. Fifteenth gear; 511. Third gear; 512. Fourth gear; 513. Fifth gear; 514. Sixth gear; 515. Seat; 517. L-bar; 518. Support rod; 519. Third slide rod; 520. First fixing sleeve; 521. Screw sleeve; 522. Seventh gear; 523. Eighth gear; 524. Seventh motor; 525. Second rod sleeve; 526. V-bar; 527. Clamping column; 528. Top rod; 529. Push plate; 530. Screw; 531. Ninth gear 532. Tenth Gear; 533. Eighth Motor; 534. Fixed Rod; 535. Third Guide Sleeve; 536. Paddle Plate Assembly; 537. Second Guide Rod; 538. Third Spring; 539. Gantry; 540. Square Frame; 541. Fourth Guide Sleeve; 542. Fourth Slide Rod; 543. Second Fixed Sleeve; 544. First Locking Block; 545. Vortex Spring; 546. Second Rotating Shaft; 547. Second Locking Block; 548. Diagonal Rod; 549. Hook Rod; 550. Second Roller; 551. Synchronous Adjustment Assembly; 552. Eleventh Gear; 553. Twelfth Gear; 554. Ninth Motor; 555. Third Rotating Shaft; 556. Thirteenth Gear; 557. Fourteenth Gear; 558. Fourth Rotating Shaft; 559. Second Slide Rod; 560. Height Adjustment Structure; 601. Cardboard box; 602. Sealing board; 603. Goods. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0031] The serial numbers assigned to components in this document, such as "first," "second," etc., are merely used to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0033] like Figure 1-21 As shown, a packaging equipment for easily expandable carton 601 packaging lines, used for carton 601 packing, includes: The first transmission component 100 is used to transmit the inverted cardboard box 601.

[0034] A second transmission component 200, parallel to the first transmission component 100, is used for synchronous and equal-frequency transmission of goods 603 that match the carton 601.

[0035] A packing assembly 500, positioned above the first transmission assembly 100 and the second transmission assembly 200, is used to transfer and mount a carton 601, which is inverted on the first transmission assembly 100, onto the corresponding goods 603. The packing assembly 500 includes a height adjustment structure 560, with a crossbeam 503 at the top. The crossbeam 503 is equipped with a carton gripping assembly 505 for gripping and transferring the carton 601, and a lever assembly 536 that flips the four sealing plates 602 of the carton 601 outward so that the carton 601 can be smoothly and completely mounted onto the goods 603 under the push of the carton gripping assembly 505.

[0036] The flipping component 300, located at the end of the second transmission component 200, is used to press and flip the inverted cartons 601 from the second transmission component 200 by 180 degrees to an open-up state and transfer them to the next process.

[0037] The third transfer component 400 is used to receive the boxed carton 601 that has been flipped by the flipping component 300 and to transfer the boxed carton 601 to the next process.

[0038] In a further embodiment, such as Figure 15 As shown, the first transmission component 100 includes a first support 101, on which a first transmission belt 103 is provided via two first transmission rollers 102, and the roller shaft of one of the first transmission rollers 102 is connected to a first motor 104 on the first support 101.

[0039] In a further embodiment, such as Figure 16As shown, the second transmission component 200 includes a second support 201, on which a second transmission belt 203 is provided via two second transmission rollers 202, and the roller shaft of one of the second transmission rollers 202 is connected to a second motor 204 on the second support 201.

[0040] In a further embodiment, such as Figures 16-20As shown, the flipping assembly 300 includes a third bracket 304. Two lugs 305 are symmetrically arranged on both sides of the third bracket 304. The two lugs 305 are hinged to the second bracket 201 by fixing pins 306. A first gear 307 is provided on one of the fixing pins 306. The first gear 307 meshes with a second gear 308 provided on the second bracket 201. A worm gear coaxially connected to the second gear 308 meshes with a worm 310 provided on the second bracket 201. The worm 310 is connected to a third motor 311 provided on the second bracket 201. The third bracket 304 is provided with two third transmission rollers 312 for receiving the flipped components from the second transmission belt 203. The third conveyor belt 313 of the carton 601 has a roller shaft where one of the third conveyor rollers 312 is located, which is connected to a fourth motor 314 on the third support 304. Two first guide sleeves 315 are symmetrically arranged at one end of the third support 304. A first slide rod 320 slides within the first guide sleeve 315 in a direction perpendicular to the working surface of the third conveyor belt 313. A fourth connecting rod 333 and a fourth support 328 are respectively arranged at both ends of the two first slide rods 320. A fourth conveyor belt 330 is mounted on the fourth support 328 via two fourth conveyor rollers 329. The working surface of the fourth conveyor belt 330 is parallel to the working surface of the third conveyor belt 313. The roller shaft where one of the fourth conveyor rollers 329 is located is connected to a fourth motor 314 on the third support 304. The tenth motor 331 on the bracket 328 is connected by a drive. The two first guide sleeves 315 are integrally connected by a first connecting rod 316 and a second connecting rod 319. A third guide rod 317 is provided on the first connecting rod 316. The third guide rod 317 slides in the guide hole on the fourth connecting rod 333. A first spring 318 is connected between the first connecting rod 316 and the fourth connecting rod 333 to drive the fourth transmission belt 330 to approach the third transmission belt 313. Two second guide sleeves 322 are symmetrically provided on the two first guide sleeves 315. A locking rod 323 slides in the second guide sleeve 322 in a direction parallel to the movement of the working surface of the third transmission belt 313. One end of the two locking rods 323 is provided with a first sliding rod 3. The sharp corner 324 of the toothed groove 321 engages with the fourth conveyor belt 330, preventing it from approaching the third conveyor belt 313 without preventing it from moving away from the third conveyor belt 313. The other ends of the two locking rods 323 are integrally connected by a third connecting rod 325. A trigger rod 326 that engages with the carton 601 is provided in the middle of the third connecting rod 325. The trigger rod 326 slides in a guide hole on the second connecting rod 319. A second spring 327 is connected between the third connecting rod 325 and the second connecting rod 319, allowing the sharp corner 324 of the first sliding rod 320 to insert into the toothed groove 321. Two first rollers 332 are symmetrically arranged on both sides of the fourth bracket 328.The first roller 332 cooperates with a reset plate 301 disposed on the second bracket 201. The reset plate 301 is provided with a reset arc surface 303 that, by cooperating with the first roller 332, causes the fourth conveyor belt 330 to be reset away from the third conveyor belt 313, and a guide slope 302 that guides the first roller 332 to the reset arc surface 303.

[0041] In a further embodiment, such as Figure 21 As shown, the third transmission assembly 400 includes a fifth support 401, on which a fifth transmission belt 403 is provided to receive cartons 601 from the fourth transmission belt 330 via two fifth transmission rollers 402. One of the fifth transmission rollers 402 is connected to a fifth motor 404 on the fifth support 401.

[0042] In a further embodiment, such as Figure 3 As shown, the height adjustment structure 560 includes two first sleeves 501. Each of the two first sleeves 501 has a second slide rod 559 whose top end is connected to the crossbeam 503 and slides vertically. A locking bolt 502 that cooperates with the second slide rod 559 is provided in the threaded hole on the side wall of the first sleeve 501.

[0043] In a further embodiment, such as Figures 7-10As shown, the grabbing box assembly 505 includes a slide block 506 that slides horizontally within a slide groove 504 on a crossbeam 503 along the transverse arrangement direction of the first conveyor belt 103 and the second conveyor belt 203. Two first guide rods 507 slide vertically within two guide holes on the slide block 506. A seat 515 is provided at the lower end of each of the two first guide rods 507. Two support rods 518 are symmetrically arranged on the lower side of the seat 515. A V-rod 526 is hinged to the lower end of each support rod 518. A second rod sleeve 525 slides on one branch of the V-rod 526. The end of the second rod sleeve 525 is hinged to the lower end of the third slide rod 519, which slides vertically in the guide hole on the seat 515. The lower end of the third slide rod 519 is provided with a push plate 529 via a top rod 528. The other end of the V rod 526 is provided with a silicone clamping post 527. Two L rods 517 are symmetrically arranged on both sides of the seat 515. The slide block 506 is threadedly connected to two screws 530 symmetrically arranged on the crossbeam 503. Each of the two screws 530 is provided with a ninth gear 531. The two ninth gears 531 together engage with a... A fourth gear 512 is positioned on the crossbeam 503 and engages with it. A screw 530 is connected to an eighth motor 533 mounted on the crossbeam 503. A vertical first shaft 509 is rotatably mounted on the slide 506. The upper end of the first shaft 509 is connected to a sixth motor 508 mounted on the slide 506. A fifteenth gear 510 is positioned at the lower end of the first shaft 509. The fifteenth gear 510 engages with two third gears 511 located on the lower side of the slide 506. Both third gears 511 are coaxially connected to a first... A fourth gear 512 meshes with a fifth gear 513 mounted on a slide block 506. The fifth gear 513 is coaxially connected to a sixth gear 514 that meshes with a first guide rod 507 on the corresponding side. A first fixing sleeve 520 is mounted on the seat body 515. A threaded sleeve 521 that is threadedly connected to a third slide rod 519 is rotatably mounted on the first fixing sleeve 520. A seventh gear 522 is mounted on the threaded sleeve 521. The seventh gear 522 meshes with an eighth gear 523 on the output shaft of a seventh motor 524 on the seat body 515.

[0044] In a further embodiment, such as Figures 10-14As shown, the toggle assembly 536 includes two second guide rods 537 distributed in a direction parallel to the movement of the working surface of the second conveyor belt 203. The second guide rods 537 slide vertically within a third guide sleeve 535 mounted on the crossbeam 503 via a fixed rod 534. A gantry 539 is provided at the lower end of each of the two second guide rods 537. A third spring 538, which causes the second guide rod 537 to move upward, connects the gantry 539 to the corresponding fixed rod 534. A horizontally positioned rectangular frame 540, cooperating with the L-rod 517, is provided on each of the two gantry 539. A fourth guide sleeve 541 is provided at the center of each of the four side rods of the rectangular frame 540. A fourth slide rod 542 slides horizontally within each fourth guide sleeve 541 in a direction perpendicular to the corresponding side rod. A second fixed sleeve 543 is provided at the inner end of each fourth slide rod 542. The inner rotating part is provided with a second rotating shaft 546 parallel to the corresponding side rod. The second rotating shaft 546 is provided with a second locking block 547, which cooperates with the first locking block 544 on the corresponding second fixed sleeve 543. Two parallel inclined rods 548 are symmetrically arranged at both ends of the second rotating shaft 546. A hook rod 549 perpendicular to the lower inner side of the inclined rod 548 is provided. The end of the hook rod 549 is provided with a second roller 550 whose axis is parallel to the second rotating shaft 546. A spiral spring 545 is connected between the second rotating shaft 546 and the second fixed sleeve 543 to make the inclined rod 548 swing inward. The upper side of the frame 540 is provided with a synchronous adjustment component 551 for adjusting the distance between two relative fourth sliding rods 542. The lower side of the frame 540 is provided with a synchronous adjustment component 551 for adjusting the distance between two other relative fourth sliding rods 542.

[0045] In a further embodiment, such as Figure 12 As shown, the synchronous adjustment assembly 551 includes two eleventh gears 552 that mesh with the corresponding two fourth slide rods 542 and a fourth rotating shaft 558 disposed on the frame 540. The eleventh gears 552 are disposed on the side rod where the corresponding fourth guide sleeve 541 is located via the third rotating shaft 555. The third rotating shaft 555 is provided with a thirteenth gear 556. The two thirteenth gears 556 mesh with the two fourteenth gears 557 at both ends of the fourth rotating shaft 558. One eleventh gear 552 meshes with the twelfth gear 553 on the output shaft of the ninth motor 554 on the frame 540.

[0046] A control method for a packaging equipment for a highly expandable 601 carton packaging line is as follows: In the initial state, the two clamping posts 527 in the grabbing assembly 505 are fully open, and the push plate 529 is at its lowest position with a height greater than that of the two clamping posts 527. The four pairs of diagonal rods 548 in the lever assembly 536 are tilted inwards under the action of the corresponding spiral springs 545. The second locking blocks 547 on the four second rotating shafts 546 circumferentially abut against the first locking blocks 544 on the corresponding second fixing sleeves 543. The square frame 540 is at its highest limit height under the action of the two third springs 538, and the lower end of the diagonal rods 548 is slightly higher than the goods 603 on the second conveyor belt 203. The working surface of the third conveyor belt 313 in the tilting assembly 300 is at the same height as the working surface of the second conveyor belt 203. The fourth conveyor belt 330 is located above the third conveyor belt 313 with the largest distance between them. The two locking rods 323 are locked to the two first sliding rods 320 under the action of the second springs 327. The cooperation between the worm gear and the worm 310 locks the tilting assembly 300.

[0047] When packing is required, first adjust the spacing of the four pairs of diagonal rods 548 in the lever assembly 536 and the height of the crossbeam 503 at the top of the assembly according to the size specifications of the carton 601. Loosen the locking bolt 502 to adjust the height of the crossbeam 503. After the height is adjusted, tighten the locking bolt 502 to lock it.

[0048] like Figures 1-2 As shown, the sixth motor 508 in the box gripping assembly 505 drives the base 515 to move downward. The base 515 drives the two clamping columns 527 to reach both sides of the carton 601. The two clamping columns 527 are located near the upper edge of the carton 601 under the limit of the push plate 529. Then, the seventh motor 524 is started to drive the two clamping columns 527 to clamp the carton 601, while the push plate 529 moves upward and disengages from the carton 601.

[0049] Then, the sixth motor 508 is started to drive the two clamping columns 527 to move the carton 601 upward away from the first conveyor belt 103. Next, the eighth motor 533 is started to drive the slide 506 to move laterally. The slide 506, through the two first guide rods 507 and the seat body 515, drives the two clamping columns 527 to grab the carton 601 and move synchronously to directly above the square 540 of the turntable assembly 536. The four sealing plates 602 of the carton 601 are in a drooping state.

[0050] Next, as Figures 4-5 As shown, the sixth motor 508 drives the two clamping columns 527 in the box gripping assembly 505 to move the carton 601 downward. During the downward movement of the carton 601, the four sealing plates 602 of the carton 601 are flipped outward by the action of a pair of hooks 549 on the corresponding side and are finally pressed against the outer wall of the carton 601 by the corresponding two second rollers 550. The diagonal bar 548 swings outward to a certain extent.

[0051] After the four sealing plates 602 of the carton 601 are turned outward and pressed against the outer wall of the carton 601, the square frame 540 of the toggle assembly 536 moves downward under the pressure of the L rod 517, driving the four pairs of diagonal rods 548 to move downward synchronously with the carton gripping assembly 505. This ensures that the four sealing plates 602 are always turned outward and pressed against the outer wall of the carton 601 under the action of the four pairs of second rollers 550. Finally, the carton 601 is fitted onto the goods 603 on the second conveyor belt 203 under the combined action of the carton gripping assembly 505 and the toggle assembly 536.

[0052] When the carton 601 is partially fitted onto the goods 603, the seventh motor 524 is activated to drive the two V-bars 526 of the carton gripping assembly 505 to move the two clamping columns 527 to release the carton 601. At the same time, the push plate 529 in the carton gripping assembly 505 pushes the carton 601 downward as the two clamping columns 527 open, so that the carton 601 is completely fitted onto the goods 603.

[0053] After the carton 601 is fully fitted onto the goods 603, the sixth motor 508 is activated to drive the seat 515, which in turn moves the two clamping posts 527 upwards to disengage from the carton 601. The square frame 540 of the lever assembly 536, under the reset action of the two third springs 538, moves the four pairs of diagonal rods 548 upwards to disengage from the carton 601 and reset. Once the four second rollers 550 disengage from the carton 601, the four diagonal rods 548 swing back to their reset position under the action of the corresponding spiral springs 545. After the box gripping assembly 505 disengages from the lever assembly 536, the eighth motor 533 is activated to perform a lateral reset above the first conveyor belt 103. Simultaneously, the second conveyor belt 203 and the third conveyor belt 313 are activated. The second conveyor belt 203 transfers the inverted carton 601 to the fourth conveyor belt 330 of the flipping assembly 300.

[0054] like Figure 6 As shown, after the carton 601, which has been packed and is still in an upside-down state, arrives at the third conveyor belt 313, the third motor 311 is started to drive the flipping assembly 300 to flip the carton 601 180 degrees, so that the carton 601 containing the goods 603 is positioned with its opening facing upward on the fourth conveyor belt 330 of the flipping assembly 300. Then, the tenth motor 331 is started to drive the fourth conveyor belt 330 to move, and the fourth conveyor belt 330 conveys the carton 601 with its opening facing upward to the fifth conveyor belt 403. The fifth motor 404 is started to drive the fifth conveyor belt 403 to move the carton 601 to the next process.

[0055] During the flipping process of the carton 601 by the flipping component 300, the carton 601 and the goods 603 trigger the trigger rod 326 to unlock under the action of gravity. The fourth conveyor belt 330 presses the carton 601 under the action of the first spring 318 to prevent the carton 601 and the goods 603 from being thrown out due to centrifugal force during the flipping process.

[0056] After the carton 601 is flipped, the first roller 332 on the fourth support 328 of the fourth conveyor belt 330 reaches the reset arc surface 303 on the lower side of the reset plate 301 under the guidance of the guide slope 302 on the corresponding reset plate 301. The fourth conveyor belt 330 completes the reset relative to the third conveyor belt 313 under the interaction of the reset arc surface 303 of the reset plate 301 and the first roller 332 and is locked by the two locking rods 323. During the reset process of the fourth conveyor belt 330 relative to the third conveyor belt 313, the two locking rods 323 bounce back and forth under the action of the second spring 327 and the tooth groove 321.

[0057] This invention uses a box-gripping assembly 505 to pick up a cardboard box 601 that is upside down on the first conveyor belt 103 and fasten it onto the goods 603 on the second conveyor belt 203, thus completing the packing of the cardboard box 601 onto the goods 603. During the process of the box-gripping assembly 505 picking up the cardboard box 601 and fastening it onto the goods 603, the four sealing plates 602 of the cardboard box 601 fastened onto the goods 603 are turned outward by the deflector assembly 536. This ensures that the sealing plates 602 do not obstruct the goods 603 from entering the cardboard box 601, while ensuring that the goods 603 are completely inserted into the cardboard box 601. Compared with the existing drop-type packing and robotic arm-grabbing packing methods, this invention, through the cooperation of the box-gripping assembly 505 and the deflector assembly 536, completely avoids the risk of damage caused by the goods 603 falling during the packing process by fastening the cardboard box 601 downward onto the goods 603. Compared to existing side-push packing methods, this invention uses the cooperation of the box gripping assembly 505 and the toggle plate assembly 536 to clamp the carton 601 downwards onto the goods 603 for packing. This eliminates the need for a separate positioning structure for the carton 601 during packing, resulting in a simpler equipment structure and lower cost. Furthermore, the box gripping assembly 505 and the toggle plate assembly 536 in this invention can adapt to packing operations of carton 601 of different sizes and specifications, effectively overcoming the limitation of existing packing equipment that can only pack cartons 601 of a single size. This invention utilizes a flipping component 300 located at the end of the second conveying component 200 to flip the carton 601, which has already been packed with inverted goods 603, 180 degrees. This flips the carton 601 with its opening facing upwards, allowing it to be conveyed to the third conveying component 400 for sealing. During the flipping process, the flipping component 300 presses down on the carton 601 containing the goods 603, releasing the pressure after the carton 601 has been flipped. This prevents the goods 603 from being thrown out or falling due to centrifugal force during the flipping process and facilitates the carton 601's movement to the next process after flipping. This invention can arrange several packing components 500 along the conveying direction of the first conveying component 100 and the second conveying component 200 according to the actual production capacity requirements of the factory, achieving the goal of expanding the carton 601 packaging line as needed. Furthermore, since the expansion of the carton 601 packaging line only involves increasing or decreasing the number of packing components 500 rather than increasing or decreasing the total number of components, it achieves the goal of expanding the carton 601 packaging line at a low cost.

Claims

1. A packaging equipment for easily expandable cardboard box packaging lines, used for cardboard box packing, characterized in that, include: The first transmission component is used to transport the inverted cardboard boxes; A second transmission component, located alongside the first transmission component, is used for synchronous, equal-frequency transmission of goods that match the cartons; A cartoning assembly straddling the first and second transmission assemblies is used to transfer and fit cartons inverted on the first transmission assembly onto corresponding goods. The cartoning assembly includes a height adjustment structure, a crossbeam at the top of the height adjustment structure, a carton gripping assembly for gripping and transferring cartons, and a deflector assembly that flips the four sealing plates of the carton outward so that the carton can be smoothly and completely fitted onto the goods under the push of the carton gripping assembly. The flipping component, located at the end of the second transmission component, is used to press and flip the inverted cartons from the second transmission component 180 degrees to an open-up state and transfer them to the next process. The third transfer component is used to receive the boxed cartons that have been flipped by the flipping component and to transfer the boxed cartons to the next process.

2. The packaging equipment for an easily expandable cardboard box packaging line according to claim 1, characterized in that, The first transmission component includes a first support, on which a first transmission belt is mounted via two first transmission rollers, and the roller shaft of one of the first transmission rollers is connected to a first motor on the first support.

3. The packaging equipment for an easily expandable cardboard box packaging line according to claim 1, characterized in that, The second transmission component includes a second support, on which a second transmission belt is mounted via two second transmission rollers, and the roller shaft of one of the second transmission rollers is connected to a second motor on the second support.

4. The packaging equipment for an easily expandable carton packaging line according to claim 3, characterized in that, The flipping assembly includes a third bracket with two symmetrical lugs on both sides. The two lugs are hinged to a second bracket via fixing pins. A first gear is mounted on one fixing pin, meshing with a second gear mounted on the second bracket. A worm gear coaxially connected to the second gear meshes with a worm mounted on the second bracket. The worm is driven by a third motor mounted on the second bracket. A third conveyor belt, carrying cartons already inverted and packed from a second conveyor belt, is mounted on the third bracket via two third conveyor rollers. The roller shaft of one of the third conveyor rollers is driven by a fourth motor mounted on the third bracket. Two first guide sleeves are symmetrically arranged at one end of the third bracket. A first sliding rod slides within the first guide sleeve in a direction perpendicular to the working surface of the third conveyor belt. A fourth connecting rod and a fourth bracket are respectively mounted at the ends of the two first sliding rods. A fourth conveyor belt is mounted on the fourth bracket via two fourth conveyor rollers. The working surface of the fourth conveyor belt is parallel to the working surface of the third conveyor belt. The roller shaft of one of the fourth conveyor rollers is driven by a tenth motor mounted on the fourth bracket. The two first guide sleeves are connected by a first connecting rod and a second connecting rod. The four connecting rods are integrally connected. A third guide rod is provided on the first connecting rod, and the third guide rod slides within a guide hole on the fourth connecting rod. A first spring connects the first and fourth connecting rods, driving the fourth conveyor belt closer to the third conveyor belt. Two second guide sleeves are symmetrically arranged on the two first guide sleeves. Locking rods slide within the second guide sleeves in a direction parallel to the movement of the third conveyor belt's working surface. One end of each locking rod has a sharp angle that engages with a toothed groove on the first sliding rod. The engagement of the sharp angle with the toothed groove prevents the fourth conveyor belt from approaching the third conveyor belt but does not prevent the fourth conveyor belt from moving away from the third conveyor belt. The other end of the locking rod is integrally connected via a third connecting rod. A trigger rod that cooperates with the carton is provided in the middle of the third connecting rod. The trigger rod slides in the guide hole on the second connecting rod. A second spring is connected between the third connecting rod and the second connecting rod to allow the sharp corner of the first sliding rod to insert into the tooth groove. Two first rollers are symmetrically arranged on both sides of the fourth bracket. The first rollers cooperate with a reset plate provided on the second bracket. The reset plate is provided with a reset arc surface that resets the fourth conveyor belt away from the third conveyor belt by cooperating with the first rollers, and a guide slope that guides the first rollers to the reset arc surface.

5. The packaging equipment for an easily expandable carton packaging line according to claim 4, characterized in that, The third transmission component includes a fifth support, on which a fifth transmission belt is mounted via two fifth transmission rollers to receive cartons from the fourth transmission belt, and one of the fifth transmission rollers is connected to a fifth motor on the fifth support.

6. The packaging equipment for an easily expandable carton packaging line according to claim 1, characterized in that, The height adjustment structure includes two first sleeves, each containing a second sliding rod whose top end is connected to a crossbeam. A locking bolt that mates with the second sliding rod is installed in a threaded hole on the side wall of the first sleeve.

7. The packaging equipment for an easily expandable carton packaging line according to claim 1, characterized in that, The gripping box assembly includes a slide block that slides horizontally within a groove on a crossbeam along the transverse arrangement of the first and second conveyor belts. Two first guide rods slide vertically within two guide holes on the slide block. A base is mounted on the lower end of each of the first guide rods. Two support rods are symmetrically arranged on the lower side of the base. A V-rod is hinged to the lower end of each support rod. A second rod sleeve slides on one end of the V-rod. The end of the second rod sleeve is hinged to the lower end of a third slide rod that slides vertically within a guide hole on the base. A push plate is mounted on the lower end of the third slide rod via a push rod. A silicone clamping post is mounted on the other end of the V-rod. Two L-rods are symmetrically arranged on both sides of the base. The slide block is threadedly connected to two screws symmetrically arranged on the crossbeam. Each screw has a ninth gear. The two ninth gears share a common... The screw is connected to the eighth motor on the crossbeam and meshes with the fourth gear on the crossbeam. A vertical first shaft is rotatably mounted on the slide. The upper end of the first shaft is connected to the sixth motor on the slide. A fifteenth gear is mounted on the lower end of the first shaft. The fifteenth gear meshes with two third gears on the lower side of the slide. Both third gears are coaxially connected to a fourth gear. The fourth gear meshes with a fifth gear on the slide. The fifth gear is coaxially connected to a sixth gear that meshes with the first guide rod on the corresponding side. A first fixing sleeve is mounted on the base. A threaded sleeve that is threadedly connected to the third slide rod is rotatably mounted on the first fixing sleeve. A seventh gear is mounted on the threaded sleeve. The seventh gear meshes with the eighth gear on the output shaft of the seventh motor on the base.

8. The packaging equipment for an easily expandable carton packaging line according to claim 7, characterized in that, The toggle assembly includes two second guide rods distributed in a direction parallel to the movement of the second conveyor belt's working surface. The second guide rods slide vertically within third guide sleeves mounted on a crossbeam via fixed rods. Each of the two second guide rods has a gantry at its lower end. A third spring connects the gantry to the corresponding fixed rod, causing the second guide rod to move upwards. Each of the two gantry has a horizontally positioned frame that engages with an L-shaped rod. A fourth guide sleeve is located at the center of each of the four side rods of the frame. A fourth slide rod slides horizontally within each fourth guide sleeve in a direction perpendicular to the corresponding side rod. A second fixed sleeve is located at the inner end of each fourth slide rod. The rotating part is equipped with a second rotating shaft parallel to the corresponding side rod. A second locking block is provided on the second rotating shaft. The second locking block cooperates with a first locking block on the corresponding second fixed sleeve. Two parallel diagonal rods are symmetrically arranged at both ends of the second rotating shaft. A hook rod perpendicular to the lower inner side of the diagonal rod is provided. A second roller with an axis parallel to the second rotating shaft is provided at the end of the hook rod. A spiral spring that causes the diagonal rod to swing inward is connected between the second rotating shaft and the second fixed sleeve. A synchronous adjustment component for adjusting the distance between two relative fourth sliding rods is provided on the upper side of the frame. A synchronous adjustment component for adjusting the distance between two other relative fourth sliding rods is provided on the lower side of the frame.

9. The packaging equipment for an easily expandable carton packaging line according to claim 8, characterized in that, The synchronous adjustment assembly includes two eleventh gears that mesh with the corresponding two fourth slide rods and a fourth rotating shaft on the frame. The eleventh gears are mounted on the side rod where the corresponding fourth guide sleeve is located via a third rotating shaft. A thirteenth gear is mounted on the third rotating shaft. The two thirteenth gears mesh with the two fourteenth gears at both ends of the fourth rotating shaft. One of the eleventh gears meshes with the twelfth gear on the output shaft of the ninth motor on the frame.

10. The control method for a packaging equipment with an easily expandable carton packaging line as described in claim 1, characterized in that, The control method is as follows: S1. Adjust the spacing of the four pairs of diagonal bars in the dial assembly and the height of the crossbeam at the top of the assembly according to the size specifications of the carton. S2. The two V-bars of the box gripping assembly drive the two clamping columns to grip the carton that is upside down on the first conveyor belt and transfer it laterally to the top of the frame of the toggle assembly. The four sealing plates of the carton are in a drooping state. S3. The carton gripping assembly drives the carton to move downward. During the downward movement of the carton, the four sealing plates of the carton are flipped outward by a pair of hooks on the corresponding side and are finally pressed against the outer wall of the carton by the corresponding two second rollers. S4. After the four sealing plates of the carton are flipped outward and pressed against the outer wall of the carton, the toggle assembly moves downward synchronously with the carton gripping assembly under the pressure of the L rod to keep the sealing plates in a state of being flipped outward and pressed against the outer wall of the carton. Finally, the carton is fitted onto the goods on the second conveyor belt under the combined action of the carton gripping assembly and the toggle assembly. S5. The two V-bars of the box gripping assembly drive the two clamping columns to release the carton. At the same time, the push plate in the box gripping assembly pushes the carton downward as the two clamping columns open, so that the carton is completely fitted onto the goods. S6. The box gripping assembly moves upward to detach from the carton, and the deflector assembly moves upward to detach from the carton under the reset action of the two third springs. After the box gripping assembly detaches from the deflector assembly, it performs a horizontal reset. At the same time, the second conveyor belt transfers the carton that has been inverted and packed to the fourth conveyor belt of the flipping assembly. S7. The flipping component drives the carton to flip 180 degrees, so that the carton containing the goods is positioned with its opening facing upward on the fourth conveyor belt of the flipping component and is conveyed by the fourth conveyor belt to the fifth conveyor belt to move to the next process. During the flipping process, the carton triggers the trigger rod to unlock under the action of gravity. The fourth conveyor belt presses the carton under the action of the first spring. After the carton has finished flipping, the fourth conveyor belt is reset relative to the third conveyor belt under the action of the reset plate.

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