A high-speed boxing machine servo drive connecting rod type box closing mechanism

Abstract

The application discloses a high-speed cartoning machine servo driving connecting rod type box closing mechanism, which comprises a box frame, a box taking mechanism, a transmission mechanism and a box closing mechanism. The box taking mechanism completes automatic box taking of a packaging box. After the box is taken by a suction cup and is opened by a box opening mechanism, the box is placed on the transmission mechanism and is pressed into a placing groove of the transmission mechanism by a pressing rod of a box pressing mechanism. The transmission mechanism transmits the packaging box to the box closing mechanism. Left and right box closing units complete box closing operations on left and right ears of the packaging box, respectively. During the box closing, a guiding mechanism, an ear folding mechanism, an ear closing mechanism and an ear inserting mechanism are used to realize integrated and coherent actions of guiding, ear closing and ear inserting, so that the problems of poor action stability, weak adaptability and high failure rate under high-speed working conditions of the prior art are solved.

Description

Technical Field

[0001] This invention relates to the field of automatic packaging technology, and more specifically to a servo-driven linkage-type box-closing mechanism for a high-speed cartoning machine. Background Technology

[0002] High-speed cartoning machines are the core equipment of automated packaging production lines. The carton closing station is a key process to ensure the quality of carton forming. Currently, most carton closing mechanisms use cam-driven or cylinder-driven mechanisms. Cam mechanisms have fixed movements, which cannot adapt to the production needs of different production cycles. Moreover, they are prone to wear and tear during long-term high-speed operation, resulting in high maintenance costs. Cylinder-driven mechanisms have problems such as large impact and unstable speed. Under high-speed conditions, they are prone to problems such as incomplete closing of the ear and misalignment of the ear insertion, leading to an increase in the carton closing defect rate. During the carton closing process, the carton lacks precise guidance and positioning, and is easily affected by the pushing force, causing misalignment of the closing and insertion of the ear, resulting in problems such as carton deformation and misalignment of the ear insertion, which affect the packaging quality. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a servo-driven linkage-type box-closing mechanism for a high-speed cartoning machine.

[0004] The technical solution of the present invention to solve the above problems is: a servo-driven linkage-type box closing mechanism for a high-speed cartoning machine, comprising a box frame, a box picking mechanism, a transmission mechanism, and a box closing mechanism;

[0005] The box-picking mechanism includes a first frame, a first panel, a first turntable, a first drive mechanism, and two sets of suction cup picking mechanisms. The first panel is fixedly connected to the first frame, the first turntable is rotatably connected to the first panel, and the two sets of suction cup picking mechanisms are set on the first turntable. The two sets of suction cup picking mechanisms are driven by the first drive mechanism to pick up boxes from the box rack in turn and place them on the transmission mechanism. The transmission mechanism includes two conveyor chains, each conveyor chain having multiple partitions evenly distributed on it, with a placement slot formed between adjacent partitions, the width of which matches the width of the packaging box. The box closing mechanism includes two sets of box closing units, which are symmetrically arranged on both sides of the packaging box and are used for closing the left and right ears of the packaging box, respectively. Each box closing unit includes a guiding mechanism, a folding mechanism, a closing mechanism, an inserting mechanism, and a second driving mechanism; the left / right ear of the packaging box is guided in by the guiding mechanism, and then the folding, closing, and inserting operations are performed in sequence. The ear-folding mechanism includes an ear-folding plate, which is driven by a second drive mechanism to move back and forth, folding the inner tongue portion of the left / right ear inward; The ear-closing mechanism includes an ear-closing plate, which is driven by a second drive mechanism to move back and forth, pushing the inner tongue of the left / right ear towards the opening of the box to close the ear; The ear insertion mechanism includes two ear plates, which are driven by a second drive mechanism to move back and forth, inserting the two sides of the inner tongue portion of the left / right ear inward.

[0006] Furthermore, the suction cup material handling mechanism includes a first base, a suction cup bracket, multiple suction cup bodies, and a box-opening mechanism. The first base is rotatably connected to a first turntable, and the suction cup bracket is fixedly connected to the first base. Multiple suction cup bodies are mounted on the suction cup bracket. The box-opening mechanism includes a first baffle and a baffle shaft. The first baffle is fixedly connected to the outer end of the baffle shaft and is located on one side of the suction cup bracket. The other end of the baffle shaft is rotatably connected to the first base. The first turntable, the two first bases, and the two baffle shafts are driven to rotate by a first driving mechanism. The first driving mechanism includes a drive motor, a drive pulley, a first transmission pulley, and a second transmission pulley. The drive motor... The motor frame is fixedly connected to the first frame. The drive pulley is connected to the output shaft of the drive motor. The first transmission pulley and the second transmission pulley are coaxially rotatably connected to the first frame. The drive pulley and the first transmission pulley are connected by a first belt drive. The first turntable is coaxially connected to the first transmission pulley through multiple connecting rods. The center of each of the two first bases is connected to a base pulley. The other end of the base pulley is rotatably connected to the first transmission pulley. The two baffle shafts are each connected to a baffle pulley. The second transmission pulley and the two base pulleys are respectively connected by a third belt drive. The base pulley and the baffle pulley of each set of suction cup picking mechanisms are connected by a fourth belt drive.

[0007] Furthermore, the box-retrieving mechanism also includes a box-pressing mechanism, which comprises a pressing rod and a box-pressing transmission mechanism. The box-pressing transmission mechanism includes a first transmission rod, a second transmission rod, and a third transmission rod. The middle part of the second transmission rod is rotatably connected to the first frame, the upper end of the second transmission rod is rotatably connected to the outer end of the first transmission rod, the inner end of the first transmission rod is rotatably connected to the drive pulley, and the lower end of the second transmission rod is rotatably connected to the inner end of the third transmission rod. The middle part of the third transmission rod is slidably connected to a slide rail via a slider, and the pressing rod is fixedly connected to the outer end of the third transmission rod. The drive motor rotates, causing the pressing rod to move back and forth. The pressing rod is located above the feeding port of the conveying mechanism. After the packaging box is placed in the conveying mechanism, it is pressed into the placement slot by the pressing rod.

[0008] Furthermore, the guiding mechanism includes an upper guide rod and a lower guide plate. The upper guide rod includes a first guide rod and a second guide rod. The second guide rod is arranged parallel to the transmission direction. The rear end of the first guide rod is connected to the second guide rod, and the front end of the first guide rod is tilted upward. A first guiding space that gradually decreases is formed between the first guide rod and the lower guide plate. An ear clamping gap is formed between the second guide rod and the lower guide plate. The left / right ear of the packaging box is gradually pressed downward through the gradually decreasing first guiding space, and then enters the ear clamping gap to perform ear folding, ear closing, and ear insertion operations in sequence.

[0009] Furthermore, the second drive mechanism includes a first mounting plate, a closing motor, a rotating disk, and a limiting rod. The closing motor is fixedly connected to a second frame via a motor frame. The rotating disk is rotatably connected to the output shaft of the closing motor and is rotatably connected to the second frame. One end of the first mounting plate is eccentrically rotatably connected to the rotating disk, and the other end is rotatably connected to one end of the limiting rod, which is rotatably connected to the second frame. A folding lug, a closing lug, and two insert lugs are fixedly connected to the first mounting plate.

[0010] The present invention has the following beneficial effects: This invention provides a servo-driven linkage-type box-closing mechanism for a high-speed cartoning machine. The box-picking mechanism automatically picks up the packaging box. After the suction cup picks up the box, it is opened by the box-opening mechanism and placed on the conveying mechanism. Then, the box-pressing mechanism presses the box into the placement slot of the conveying mechanism. The conveying mechanism transports the packaging box to the box-closing mechanism, where the box-closing units on the left and right sides respectively close the left and right ears of the packaging box. During box closing, the guiding mechanism, ear-folding mechanism, ear-closing mechanism, and ear-insertion mechanism achieve integrated and continuous actions of guiding, closing, and inserting ears, solving the problems of poor stability, weak adaptability, and high defect rate under high-speed conditions of existing box-closing mechanisms. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the present invention.

[0012] Figure 2 This is a schematic diagram of the box-removing mechanism.

[0013] Figure 3 This is a frontal perspective view of the first drive mechanism.

[0014] Figure 4 This is a side perspective view of the first drive mechanism.

[0015] Figure 5 This is a schematic diagram of the closing mechanism.

[0016] Figure 6 for Figure 1 An enlarged schematic diagram of part A in the middle.

[0017] Figure 7 This is a structural diagram of the packaging box.

[0018] In the diagram: 1-box frame, 2-box picking mechanism, 3-transfer mechanism, 4-box closing mechanism, 5-inner tongue part; 201-First frame, 202-First panel, 203-First turntable, 205-First base, 206-Suction cup bracket, 207-Suction cup body, 208-First baffle, 209-Baffle shaft, 210-Drive motor, 211-Drive pulley, 212-First transmission pulley, 213-Second transmission pulley, 214-Base pulley, 215-Baffle pulley, 216-First belt, 217-Third belt, 218-Fourth belt, 219-Pressure rod, 220-First transmission rod, 221-Second transmission rod, 222-Third transmission rod, 223-Slide rail; 301 - Conveyor chain, 302 - Partition plate, 303 - Placement slot; 401-Upper guide rod, 402-Lower guide plate, 403-First guide rod, 404-Second guide rod, 405-Folding ear plate, 406-Closing ear plate, 407-Ear insertion plate, 408-First mounting plate, 409-Rotating disk, 410-Limit rod, 412-Second frame. Detailed Implementation

[0019] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0020] As shown in the figure, a servo-driven linkage-type box closing mechanism for a high-speed cartoning machine includes a box frame 1, a box picking mechanism 2, a transmission mechanism 3, and a box closing mechanism 4. The box-retrieving mechanism 2 includes a first frame 201, a first panel 202, a first turntable 203, a first drive mechanism, and two sets of suction cup retrieval mechanisms. The first panel 202 is fixedly connected to the first frame 201, and the first turntable 203 is rotatably connected to the first panel 202. The two sets of suction cup retrieval mechanisms are disposed on the first turntable 203. Each suction cup retrieval mechanism includes a first base 205, a suction cup bracket 206, multiple suction cup bodies 207, and a box-opening mechanism. The first base 205 is rotatably connected to the first turntable 203. The disk support 206 is fixedly connected to the first base 205, and the suction cup support 206 is provided with multiple suction cup bodies 207; the box-opening mechanism includes a first baffle 208 and a baffle shaft 209. The first baffle 208 is fixedly connected to the outer end of the baffle shaft 209, and the first baffle 208 is located on one side of the suction cup support 206. The other end of the baffle shaft 209 is rotatably connected to the first base 205. The first turntable 203, the two first bases 205, and the two baffle shafts 209 are driven to rotate by a first driving mechanism. The first driving mechanism includes a drive motor 210, a drive pulley 211, a first transmission pulley 212, and a second transmission pulley 213. The drive motor 210 is fixedly connected to a first frame 201 via a motor frame. The drive pulley 211 is connected to the output shaft of the drive motor 210. The first transmission pulley 212 and the second transmission pulley 213 are coaxially rotatably connected to the first frame 201. The drive pulley 211 and the first transmission pulley 212 are connected by a first belt 216. The first turntable 203... Multiple connecting rods are coaxially connected to the first transmission pulley 212. The centers of the two first bases 205 are respectively connected to a base pulley 214. The other end of the base pulley 214 is rotatably connected to the first transmission pulley 212. The two baffle shafts 209 are respectively connected to a baffle pulley 215. The second transmission pulley 213 and the two base pulleys 214 are respectively connected by a third belt 217. The base pulley 214 and the baffle pulley 215 of each suction cup material picking mechanism are connected by a fourth belt 218.

[0021] Two sets of suction cup picking mechanisms take turns picking up boxes from box holder 1, opening them via the box-opening mechanism, and placing them on the conveying mechanism 3. The structural changes of the packaging box during the opening process are as follows: Figure 7 As shown, when the suction cup material-grabbing mechanism picks up the material, the suction cup body 207 adsorbs the upper panel of the packaging box. At this time, the first baffle 208 is parallel to the left side panel of the packaging box. During the rotation process, the first baffle 208 rotates synchronously, pushing the left side panel of the packaging box to the right to complete the opening of the box. Then the first baffle 208 returns to its original position. The transmission mechanism 3 then transmits the packaging box to the closing mechanism 4 to complete the closing operation.

[0022] The transmission mechanism 3 includes two transmission chains 301, each transmission chain 301 is evenly provided with multiple partitions 302, and a placement groove 303 is formed between two adjacent partitions 302. The width of the placement groove 303 matches the width of the packaging box.

[0023] In one embodiment, the box-retrieving mechanism 2 further includes a box-pressing mechanism. The box-pressing mechanism includes a pressing rod 219 and a box-pressing transmission mechanism. The box-pressing transmission mechanism includes a first transmission rod 220, a second transmission rod 221, and a third transmission rod 222. The middle part of the second transmission rod 221 is rotatably connected to the first frame 201. The upper end of the second transmission rod 221 is rotatably connected to the outer end of the first transmission rod 220. The inner end of the first transmission rod 220 is rotatably connected to the drive pulley 211. The lower end of the second transmission rod 221 is rotatably connected to the inner end of the third transmission rod 222. The middle part of the third transmission rod 222 is slidably connected to the slide rail 223 via a slider. The pressing rod 219 is fixedly connected to the outer end of the third transmission rod 222. The drive motor 210 rotates, causing the pressing rod 219 to move back and forth. The pressing rod 219 is located above the loading port of the transmission mechanism 3. After the packaging box is placed in the transmission mechanism 3, it is pressed into the placement slot 303 by the pressing rod 219.

[0024] The box-closing mechanism 4 includes two sets of box-closing units, which are symmetrically arranged on both sides of the packaging box and are used for closing the left and right ears of the packaging box, respectively. Each set of box-closing units includes a guide mechanism, an ear-folding mechanism, an ear-closing mechanism, an ear-insertion mechanism, and a second drive mechanism.

[0025] The guiding mechanism includes an upper guide rod 401 and a lower guide plate 402. The upper guide rod 401 includes a first guide rod 403 and a second guide rod 404. The second guide rod 404 is arranged parallel to the transmission direction. The rear end of the first guide rod 403 is connected to the second guide rod 404. The front end of the first guide rod 403 is tilted upward. A first guiding space with a gradually decreasing size is formed between the first guide rod 403 and the lower guide plate 402. A clamping gap is formed between the second guide rod 404 and the lower guide plate 402. The left / right ear of the packaging box is gradually pressed downward through the gradually decreasing first guiding space, and then enters the clamping gap to perform ear folding, ear closing, and ear insertion operations in sequence.

[0026] The ear-folding mechanism includes an ear-folding plate 405, which is driven by a second drive mechanism to move back and forth, folding the inner tongue portion 5 of the left / right ear inward.

[0027] The ear-closing mechanism includes an ear-closing plate 406, which is driven by a second drive mechanism to move back and forth, pushing the inner tongue portion 5 of the left / right ear towards the opening of the box to close the ear.

[0028] The ear insertion mechanism includes two ear insertion plates 407, which are driven by the second drive mechanism to move back and forth, inserting the inner tongue portion 5 of the left / right ear inward to prevent the ear from not closing properly.

[0029] The second drive mechanism includes a first mounting plate 408, a closing motor, a rotating disk 409, and a limiting rod 410. The closing motor is fixedly connected to a second frame 412 via a motor frame. The rotating disk 409 is rotatably connected to the output shaft of the closing motor and is rotatably connected to the second frame 412. One end of the first mounting plate 408 is eccentrically rotatably connected to the rotating disk 409, and the other end is rotatably connected to one end of the limiting rod 410. The other end of the limiting rod 410 is rotatably connected to the second frame 412. A folding lug 405, a closing lug 406, and two insert lugs 407 are fixedly connected to the first mounting plate 408.

[0030] When the closing motor rotates, it drives the rotating disk 409 to rotate. Under the drive of the rotating disk 409 and the limiting action of the limiting rod 410, the first mounting plate 408 moves back and forth in the direction of transmission.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A servo-driven linkage-type box-closing mechanism for a high-speed cartoning machine, characterized in that: It includes a box holder (1), a box picking mechanism (2), a transmission mechanism (3), and a box closing mechanism (4); The box-picking mechanism (2) includes a first frame (201), a first panel (202), a first turntable (203), a first drive mechanism, and two sets of suction cup picking mechanisms. The first panel (202) is fixedly connected to the first frame (201), and the first turntable (203) is rotatably connected to the first panel (202). The two sets of suction cup picking mechanisms are set on the first turntable (203). The two sets of suction cup picking mechanisms are driven by the first drive mechanism to pick up boxes from the box rack (1) in turn and place them on the transmission mechanism (3). The transmission mechanism (3) includes two transmission chains (301), each transmission chain (301) is evenly provided with multiple partitions (302), and a placement groove (303) is formed between two adjacent partitions (302). The width of the placement groove (303) matches the width of the packaging box. The box closing mechanism (4) includes two sets of box closing units, which are symmetrically arranged on both sides of the packaging box and are used for closing the left and right ears of the packaging box respectively. Each box closing unit includes a guiding mechanism, a folding mechanism, a closing mechanism, an inserting mechanism, and a second driving mechanism; the left / right ear of the packaging box is guided in by the guiding mechanism, and then the folding, closing, and inserting operations are performed in sequence. The ear-folding mechanism includes an ear-folding plate (405), which is driven by a second drive mechanism to move back and forth, folding the inner tongue portion (5) of the left / right ear inward; The ear-closing mechanism includes an ear-closing plate (406), which is driven by a second drive mechanism to move back and forth, pushing the inner tongue part (5) of the left / right ear towards the opening of the box to close the ear; The ear insertion mechanism includes two ear insertion plates (407), which are driven by a second drive mechanism to move back and forth, inserting the two sides of the inner tongue part (5) of the left / right ear inward.

2. The high-speed cartoning machine servo-driven linkage-type box-closing mechanism (4) as described in claim 1, characterized in that: The suction cup material handling mechanism includes a first base (205), a suction cup bracket (206), multiple suction cup bodies (207), and a box-opening mechanism. The first base (205) is rotatably connected to a first turntable (203), and the suction cup bracket (206) is fixedly connected to the first base (205). Multiple suction cup bodies (207) are provided on the suction cup bracket (206). The box-opening mechanism includes a first baffle (208) and a baffle shaft (209). The first baffle (208) is fixedly connected to the baffle shaft (209). The outer end of the first baffle (208) is located on one side of the suction cup bracket (206), and the other end of the baffle shaft (209) is rotatably connected to the first base (205). The first turntable (203), the two first bases (205), and the two baffle shafts (209) are driven to rotate by the first drive mechanism. The first drive mechanism includes a drive motor (210), a drive pulley (211), a first transmission pulley (212), and a second transmission pulley (213). The first drive pulley (211) is fixedly connected to the first frame (201) via a motor frame. The drive pulley (212) is connected to the output shaft of the drive motor (210). The first transmission pulley (212) and the second transmission pulley (213) are coaxially rotatably connected to the first frame (201). The drive pulley (211) and the first transmission pulley (212) are connected by a first belt (216). The first turntable (203) is coaxially connected to the first transmission pulley (212) via multiple connecting rods. The two first bases are connected by a motor frame. (205) A base pulley (214) is connected to the center of each of the two base pulleys (214). The other end of the base pulley (214) is rotatably connected to the first transmission pulley (212). The two baffle shafts (209) are connected to a baffle pulley (215) respectively. The second transmission pulley (213) and the two base pulleys (214) are respectively connected by a third belt (217). The base pulley (214) and the baffle pulley (215) of each suction cup material picking mechanism are connected by a fourth belt (218).

3. The high-speed cartoning machine servo-driven linkage-type box-closing mechanism (4) as described in claim 2, characterized in that: The box-retrieving mechanism (2) also includes a box-pressing mechanism, which includes a pressing rod (219) and a box-pressing transmission mechanism. The box-pressing transmission mechanism includes a first transmission rod (220), a second transmission rod (221), and a third transmission rod (222). The middle part of the second transmission rod (221) is rotatably connected to the first frame (201), the upper end of the second transmission rod (221) is rotatably connected to the outer end of the first transmission rod (220), and the inner end of the first transmission rod (220) is rotatably connected to the drive pulley (211). The lower end of the second transmission rod (221) is rotatably connected to the inner end of the third transmission rod (222). The middle part of the third transmission rod (222) is slidably connected to the slide rail (223) through a slider. The pressure rod (219) is fixedly connected to the outer end of the third transmission rod (222). The drive motor (210) rotates, driving the pressure rod (219) to move back and forth. The pressure rod (219) is located above the feeding port of the transmission mechanism (3). After the packaging box is placed in the transmission mechanism (3), it is pressed into the placement groove (303) by the pressure rod (219).

4. The high-speed cartoning machine servo-driven linkage-type box-closing mechanism (4) as described in claim 1, characterized in that: The guiding mechanism includes an upper guide rod (401) and a lower guide plate (402). The upper guide rod (401) includes a first guide rod (403) and a second guide rod (404). The second guide rod (404) is arranged parallel to the transmission direction. The rear end of the first guide rod (403) is connected to the second guide rod (404). The front end of the first guide rod (403) is tilted upward. A first guiding space with a gradually decreasing size is formed between the first guide rod (403) and the lower guide plate (402). A clamping gap is formed between the second guide rod (404) and the lower guide plate (402). The left / right ear of the packaging box is gradually pressed downward through the gradually decreasing first guiding space and then enters the clamping gap to perform ear folding, ear closing, and ear insertion operations in sequence.

5. The high-speed cartoning machine servo-driven linkage-type box-closing mechanism (4) as described in claim 1, characterized in that: The second drive mechanism includes a first mounting plate (408), a closing motor, a rotating disk (409), and a limiting rod (410). The closing motor is fixedly connected to the second frame (412) via a motor frame. The rotating disk (409) is rotatably connected to the output shaft of the closing motor and is rotatably connected to the second frame (412). One end of the first mounting plate (408) is eccentrically rotatably connected to the rotating disk (409), and the other end is rotatably connected to one end of the limiting rod (410). The other end of the limiting rod (410) is rotatably connected to the second frame (412). The folding ear plate (405), the closing ear plate (406), and the two insert ear plates (407) are fixedly connected to the first mounting plate (408).

Images