A box-sucking and box-opening mechanism for a cartoning machine and a box-opening method thereof

Abstract

The present invention discloses a box sucking and opening mechanism of a cartoning machine and a box opening method thereof, characterized in that: it comprises a turntable, a frame is provided on one side of the turntable, a paper box feeding mechanism is provided on one side of the frame, a box sucking mechanism is provided below the paper box feeding mechanism, and a box opening mechanism is provided on a side of the turntable close to the paper box feeding mechanism; the present invention arranges a paper box seat on the turntable, and two elastic clips composed of an arc-shaped fish mouth, an arc-shaped swing block and a spring are arranged at the entrance, and under the cooperation of the box sucking mechanism, a box body on one side where a box cover of the paper box material is located is sucked into the inner side of the paper box seat, and after a box body part where a first ear of the paper box material is located is blocked by the elastic clip, it slides into the paper box seat along the arc surface of the fish mouth part under the continuous suction of the suction nozzle, and then the box body of the paper box material is stretched open along the fold line part to become a square box shape, so that box opening is easily realized, the box opening mechanism is ingeniously and reasonably designed, and the structure is very simple, and box opening is realized while sucking the box, and the working efficiency is high.

Description

Technical Field

[0001] The invention relates to the field of packaging machinery and equipment, in particular to a box sucking and opening mechanism of a cartoning machine and a box opening method thereof. Background Art

[0002] When the cartoning machine is working, it needs to complete the actions of loading, sucking boxes, opening boxes, folding ears, pressing box tongues, and unloading boxes, among which opening boxes and pressing box tongues are the key; at this stage, there are also some mechanisms that can realize the box opening action, but there are problems such as complex structure, low efficiency, and unreliable action. Chinese patent CN202030049U discloses a horizontal box opening mechanism. This technology is very complex in structure and the control process is complex, so the cost is high, the reliability of the work is difficult to guarantee, and the operating speed is also limited, thus affecting the work efficiency. Therefore, it is urgent to develop a box suction and opening mechanism with simple structure, low cost, and high box opening efficiency and a box opening method thereof. Summary of the invention

[0003] The object of the present invention is to provide a box sucking and opening mechanism for a cartoning machine and a box opening method thereof, so as to solve the problems of the existing box sucking and opening mechanism for a cartoning machine mentioned in the background art, such as complex structure, high cost and low box opening efficiency.

[0004] To achieve the above object, the present invention provides the following technical solution: a box sucking and opening mechanism of a cartoning machine, characterized in that it comprises a turntable, a frame is provided on one side of the turntable, a carton feeding mechanism is provided on one side of the frame, a box sucking mechanism is provided below the carton feeding mechanism, and a box opening mechanism is provided on the side of the turntable close to the carton feeding mechanism;

[0005] The frame includes a base, and the base includes two first optical axes. First fixing plates are provided at both ends of the two first optical axes. The two first fixing plates are fixed to the main platform plate. A first bracket, a second bracket, and a third bracket are arranged between the two first fixing plates. The first bracket, the second bracket, and the third bracket have the same structure and are respectively composed of a second optical axis, a first axis seat, and a second fixing plate. The first bracket, the second bracket, and the third bracket are all perpendicular to the base. The three first axis seats are each provided with two circular holes. The two first optical axes respectively penetrate the circular holes on the three first axis seats. A threaded hole is provided in the middle of the three first axis seats. The two first fixing plates respectively penetrate A first threaded rod and a second threaded rod are provided, the first threaded rod is threadedly connected to the first bracket, the second threaded rod is threadedly connected to the second bracket and the third bracket, a first reinforcing block is fixed to the first shaft seat at the lower part of the third bracket, a second reinforcing block is provided on one side of the first reinforcing block, the second reinforcing block is fixedly connected to the first fixing plate, a third threaded rod is provided between the first reinforcing block and the second reinforcing block, and the ends of the first threaded rod, the second threaded rod and the third threaded rod are all connected to an adjusting hand wheel, and by setting the base, the first threaded rod, the second threaded rod and the third threaded rod, the positions of the first bracket, the second bracket and the third bracket can be easily adjusted, the adjustment accuracy is high, and the bracket is stable;

[0006] The carton feeding mechanism is arranged between the first bracket and the second bracket, comprises a supporting plate, the supporting plate is movably connected to the second bracket, the supporting plate is fixedly connected to an inclined plate, a slide rail is arranged in the middle of the inclined plate, a counterweight sliding block is slidably connected to the slide rail, four railings are symmetrically arranged on both sides above the inclined plate, the lower ends of the four railings are respectively fixedly connected to the second axle seats, the second axle seats are provided with four, respectively symmetrically and movably connected to the first bracket and the second bracket, a fourth threaded rod is arranged on the first bracket, the second bracket is provided with a fifth threaded rod, the fourth threaded rod and the fifth threaded rod are penetrated through the second fixed plate and then an adjusting hand wheel is provided, a threaded hole is arranged in the middle of the four second axle seats, the fourth threaded rod and the fifth threaded rod penetrate through the threaded hole in the middle of the second axle seat, and a gear rod is respectively arranged on the side of the four second axle seats facing the turntable, and one end of the gear rod is connected to An adjusting plate, wherein a first adjusting hole is provided in the middle of the adjusting plate, an adjusting bolt is provided in the first adjusting hole, and the adjusting plate is connected to the second axle seat through the first adjusting hole and the adjusting bolt, wherein the gear rod connected to the second axle seat located above is vertically arranged, and the gear rod connected to the second axle seat located below is horizontally arranged, and a carton material storehouse is formed by arranging an inclined plate, four railings and four gear rods between the first bracket and the second bracket, and a supporting plate, four second axle seats, a fourth threaded rod and a fifth threaded rod are arranged to facilitate the adjustment of the height of the carton material storehouse, and a slide rail and a counterweight slider are arranged on the inclined plate to place the carton material under the counterweight slider, and the carton material naturally slides down under the action of the counterweight slider's own gravity to facilitate the suction of the box suction mechanism, and four adjustable gear rods are arranged to form a certain obstruction to the carton material at the outlet of the carton material storehouse to prevent the carton material from sliding off;

[0007] The suction box mechanism is arranged on the third bracket, including a third shaft seat, the third shaft seat is slidably connected to the third bracket, a threaded hole is arranged in the middle of the third shaft seat, a sixth threaded rod is penetrated in the threaded hole of the third shaft seat, an adjusting hand wheel is arranged after the sixth threaded rod penetrates the second fixed plate, a cylinder is arranged on one side of the third shaft seat, the cylinder is fixedly connected to the third shaft seat through the cylinder fixed plate, a telescopic rod is arranged at the output end of the cylinder, the telescopic rod is horizontally connected to the cylinder push block, two sliding blocks are fixed on the side of the third shaft seat facing away from the cylinder, and the two sliding blocks are The slider is provided with a slide groove, and a guide rail is slidably connected in the slide groove. A connecting block is fixed to one end of the guide rail, and the connecting block is connected to the cylinder push block. An adjusting block is fixed to the other end of the guide rail away from the connecting block. The other end of the adjusting block is horizontally connected to a suction rod, and a negative pressure device is connected to the suction rod. A second adjusting hole is provided on the suction rod, and a suction nozzle is connected to the negative pressure device. The suction rod, the negative pressure device, and the suction nozzle extend between the upper turntable and the lower turntable of the turntable. A cover fixing plate is fixed above the third shaft seat, and a cover (see Figure 2), by setting a third shaft seat and a sixth threaded rod on the third bracket to adjust the height of the box suction mechanism, and by setting a cylinder, a slider, and a guide rail, the box suction mechanism can achieve forward and backward movement to facilitate the suction of paper box materials;

[0008] The box opening mechanism is arranged on a turntable, and a suction box opening station is provided on a side of the turntable facing the carton feeding mechanism, and a carton seat is provided on the turntable near the suction box opening station, and the carton seat is used to place carton materials, and an elastic clip is provided at the entrance of the carton seat, and the elastic clip is symmetrically provided with two upper and lower ones, and the elastic clip comprises a fixed seat, one end of the fixed seat is provided with a fixed block, and the fixed block is bolted to the outer enclosure of the turntable, and the other end of the fixed seat is provided with a fish mouth part, and the side of the fish mouth part facing the carton feeding mechanism is arc-shaped, and a swing block is sandwiched in the middle of the fish mouth part, and the swing block is ear-shaped, and its outward side is arc-shaped, and the fish mouth part is provided with a first through hole and a second through hole, and a third through hole is provided in the middle of the swing block, and the first through hole is provided with a blocking column, and a rotating shaft is provided in the first through hole and the third through hole, and the swing block is movably connected to the fish mouth part through the rotating shaft, and the swing block and the fish mouth A spring hole is provided on one side opposite to the part, and a spring is provided in the spring hole. By arranging the elastic clip, the arc-shaped fish mouth part, the arc-shaped swing block and the spring, when the box suction mechanism sucks the paper box material into the paper box seat, the box body on the side where the box cover of the paper box material is located can pass through the elastic clip smoothly, and the box body part where the first ear of the paper box material is located is blocked by the elastic clip. With the continuous inward suction of the box suction mechanism, the box body on the side where the box cover of the paper box material is located is sucked into the innermost side of the paper box seat. Since the paper box seat can only accommodate one paper box, the box body part where the first ear of the paper box material is located is bent along the folding line part, so that the paper box material is just stretched open, and the box opening operation is easily realized. When the paper box material completely enters the paper box seat to open the box, the swing block is reset under the action of the spring and the stop column, so that the paper box material is firmly stuck in the paper box seat and enters the next process with the rotation of the turntable. The box opening mechanism is ingeniously and reasonably designed, simple in structure, and high in box opening efficiency.

[0009] The paper box material comprises a box body, on which a first ear portion, a second ear portion, a box cover portion and a box mouth portion are arranged, and on which a box tongue is arranged.

[0010] A box-sucking and box-opening mechanism for a cartoning machine, and a box-opening method thereof, comprising the following steps:

[0011] S1, according to the size of the carton material A2, adjust the width of the carton material store between the first bracket and the second bracket by adjusting the hand wheel, the first threaded rod, and the second threaded rod, and adjust the height of the carton material store by adjusting the hand wheel, the fourth threaded rod, and the fifth threaded rod; wherein the vertical plane on the side opposite to the first bracket of the second bracket is in a straight line with the lower edge of the carton seat on the turntable;

[0012] S2, putting the folded carton material into the carton material warehouse composed of the inclined plate, four rails and four gear bars in the carton feeding mechanism. The carton material should be placed vertically below the counterweight slider and above the four gear bars; the box body on the side where the box cover is located in the carton material should be placed close to the second bracket;

[0013] S3, adjusting the left and right positions of the third bracket by adjusting the hand wheel, the second threaded rod, and the third threaded rod, and adjusting the heights of the third shaft seat and the guide rail by adjusting the hand wheel and the sixth threaded rod, so that the negative pressure device and the suction nozzle on the box suction mechanism are deeply inserted between the upper turntable and the lower turntable of the turntable, and are just located on the inner side of the paper box seat;

[0014] S4, start the cylinder, the telescopic rod extends forward to drive the cylinder push block, the guide rail, the adjustment block, and thus drive the suction rod, the negative pressure device, and the suction nozzle to extend until the suction nozzle contacts the box body on one side where the cover of the paper box is located;

[0015] S5, start the negative pressure device to make the suction nozzle tightly suck the side of the box body where the cover of the paper box is located, and then start the cylinder to drive the suction nozzle to retract so that the side of the box body where the cover of the paper box is located enters the paper box seat;

[0016] S6, the box body portion where the first ear of the carton material is located is blocked by two elastic clips, and the carton material presses the swing block under the continuous suction of the suction nozzle, the spring in the swing block contracts, and the box body portion where the first ear of the carton material is located enters the carton seat along the curved surface of the fish mouth, and then the carton material box body is expanded along the fold line portion to become a square box shape, filling the carton seat;

[0017] S7, the spring rebound in the swing block just blocks the outside of the box mouth to prevent the carton material from slipping, the negative pressure device stops sucking, the suction nozzle releases the carton material, the main motor is started to drive the turntable to rotate clockwise, the carton material is sent to the next process, the new empty carton seat enters the suction box opening station, and the next carton material is sucked and opened, and the cycle continues.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention arranges a paper box seat on a turntable, and arranges two elastic clips consisting of an arc-shaped fish mouth, an arc-shaped swing block, and a spring at the entrance. With the cooperation of a box suction mechanism, a box body on one side where a cover of the paper box material is located is sucked into the inner side of the paper box seat. After the box body part where the first ear of the paper box material is located is blocked by the elastic clip, it slides into the paper box seat along the arc-shaped surface of the fish mouth under the continuous suction of the suction nozzle. Then, the box body of the paper box material is stretched out along the fold line part to become a square box shape, filling the paper box seat, and easily realizing the box opening operation. The box opening mechanism is ingeniously and reasonably designed, and the structure is very simple. The box can be opened while the box is sucked, and the working efficiency is high.

[0020] 2. The present invention can conveniently adjust the positions of the first bracket, the second bracket and the third bracket by setting the base, the first threaded rod, the second threaded rod and the third threaded rod; the adjustment accuracy is high, the bracket is stable and the adaptability is strong.

[0021] 3. The present invention forms a carton material warehouse by arranging an inclined plate, four railings and four gear bars between the first bracket and the second bracket. By arranging a slide rail and a counterweight slider on the inclined plate, the carton material is placed under the counterweight slider. Under the action of the counterweight slider's own gravity, the carton material slides down naturally, making it convenient for suction.

[0022] 4. The present invention adjusts the height of the box suction mechanism by arranging a third shaft seat and a sixth threaded rod on the third bracket, and enables the box suction mechanism to move forward and backward to facilitate the suction of paper box materials by arranging a cylinder, a slider and a guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structural relationship between the present invention and the turntable.

[0024] Figure 2 It is a schematic diagram of the main three-dimensional structure of the present invention.

[0025] Figure 3 It is a schematic diagram of the structure of the base and the bracket of the present invention.

[0026] Figure 4 It is a structural schematic diagram of the paper box feeding mechanism of the present invention.

[0027] Figure 5 It is a structural schematic diagram of the shift lever in the paper box feeding mechanism of the present invention.

[0028] Figure 6 It is a front view structural schematic diagram of the box suction mechanism of the present invention.

[0029] Figure 7 It is a side structural schematic diagram of the suction box mechanism of the present invention.

[0030] Figure 8 It is a schematic diagram of the structural relationship between the box opening mechanism and the box sucking mechanism of the present invention.

[0031] Fig. 9 It is a schematic diagram of the structural relationship between the box opening mechanism and the turntable of the present invention.

[0032] Fig.10 It is a schematic structural diagram of the elastic clip in the suction box mechanism of the present invention.

[0033] Fig.11 It is a structural schematic diagram of the fish mouth portion of the elastic clip of the present invention;

[0034] Fig.12It is a schematic diagram of the structure of the swing block in the elastic clip of the present invention;

[0035] Fig.13 It is a schematic diagram of the elastic connection structure between the elastic clip and the pendulum block of the present invention;

[0036] Fig.14 It is a structural schematic diagram of the paper box material of the present invention;

[0037] Fig.15 It is a schematic diagram of the box opening method of the present invention;

[0038] Fig.16 It is a schematic diagram of the state of the paper box of the present invention after opening.

[0039] In the figure: turntable 1; frame 2; base 21; first optical axis 211; first fixing plate 212; first bracket 22; second bracket 23; third bracket 24; second optical axis 213; first shaft seat 214; second fixing plate 215; first threaded rod 216; second threaded rod 217; first reinforcement block 218; second reinforcement block 219; third threaded rod 220; carton feeding mechanism 3; support plate 301; inclined plate 302; slide rail 303; counterweight slider 304; railing 305; second shaft seat 306; fourth threaded rod 307; fifth threaded rod 308; gear lever 309; adjustment plate 310; first adjustment hole 3101; adjustment bolt 3102; box suction mechanism 4; third shaft seat 401; sixth threaded rod 402; cylinder 4 03; cylinder fixing plate 404; telescopic rod 405; cylinder push block 406; slider 407; guide rail 408; connecting block 409; adjusting block 410; suction rod 411; negative pressure device 412; second adjusting hole 413; suction nozzle 414; cover fixing plate 415; cover 416; box opening mechanism 5; elastic clip 51; fixing seat 501; fixing block 502; fish mouth part 503; swing block 504; first through hole 505; second through hole 506; third through hole 507; blocking column 508; rotating shaft 509; spring hole 510; spring 511; box suction and opening station A; paper box seat A1; paper box material A2; box body A21; first ear A221; second ear A222; box cover part A23; box mouth part A24; box tongue A25. DETAILED DESCRIPTION

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-2 A box sucking and opening mechanism of a cartoning machine and a box opening method thereof, characterized in that: it comprises a turntable 1, a frame 2 is provided on one side of the turntable 1, a carton feeding mechanism 3 is provided on one side of the frame 2, a box sucking mechanism 4 is provided below the carton feeding mechanism 3, and a box opening mechanism 5 is provided on the side of the turntable 1 close to the carton feeding mechanism 3;

[0043] See also Figure 3The frame 2 includes a base 21, and the base 21 includes two first optical axes 211. Two ends of the two first optical axes 211 are provided with first fixing plates 212. The two first fixing plates 212 are fixed to the main machine platform. A first bracket 22, a second bracket 23, and a third bracket 24 are arranged between the two first fixing plates 212. The first bracket 22, the second bracket 23, and the third bracket 24 have the same structure and are respectively composed of a second optical axis 213, a first shaft seat 214, and a second fixing plate 215. The first bracket 22, the second bracket 23, and the third bracket 24 are all perpendicular to the base 21. The three first shaft seats 214 are each provided with two circular holes. The two first optical axes 211 respectively penetrate the circular holes on the three first shaft seats 214. A threaded hole is respectively provided in the middle of the three first shaft seats 214. The two first fixing plates 212 are respectively penetrated with a first Threaded rod 216 and second threaded rod 217, the first threaded rod 216 is threadedly connected to the first bracket 22, the second threaded rod 217 is threadedly connected to the second bracket 23 and the third bracket 24, a first reinforcing block 218 is fixed to the first shaft seat 214 at the lower part of the third bracket 24, a second reinforcing block 219 is provided on one side of the first reinforcing block 218, the second reinforcing block 219 is fixedly connected to the first fixing plate 212, a third threaded rod 220 is provided between the first reinforcing block 218 and the second reinforcing block 219, the ends of the first threaded rod 216, the second threaded rod 217 and the third threaded rod 220 are all connected with adjusting hand wheels, by setting the base 21, the first threaded rod 216, the second threaded rod 217 and the third threaded rod 220, the positions of the first bracket 22, the second bracket 23 and the third bracket 24 can be conveniently adjusted, the adjustment accuracy is high and the bracket is stable.

[0044] See also Figure 4-5The carton feeding mechanism 3 is arranged between the first bracket 22 and the second bracket 23, and includes a support plate 301, the support plate 301 is movably connected to the second bracket 23, an inclined plate 302 is fixedly connected to the support plate 301, a slide rail 303 is arranged in the middle of the inclined plate 302, a counterweight slider 304 is slidably connected to the slide rail 303, four railings 305 are symmetrically arranged on both sides above the inclined plate 302, and the lower ends of the four railings 305 are respectively fixedly connected to the second shaft seat 306, and the second shaft seat 306 is provided with four, which are symmetrically and movably connected to the first On a bracket 22 and a second bracket 23, a fourth threaded rod 307 is provided on the first bracket 22, and a fifth threaded rod 308 is provided on the second bracket 23. The fourth threaded rod 307 and the fifth threaded rod 308 penetrate the second fixing plate 215 and are provided with an adjusting hand wheel. A threaded hole is provided in the middle of the four second shaft seats 306. The fourth threaded rod 307 and the fifth threaded rod 308 penetrate the threaded hole in the middle of the second shaft seat 306. The four second shaft seats 306 are respectively provided with a gear lever 309 on one side facing the turntable 1. One end of the gear lever 309 is connected to the adjusting The adjusting plate 310 has a first adjusting hole 3101 in the middle thereof, and an adjusting bolt 3102 is arranged in the first adjusting hole 3101. The adjusting plate 310 is connected to the second shaft seat 306 through the first adjusting hole 3101 and the adjusting bolt 3102. The lever 309 connected to the second shaft seat 306 located above is vertically arranged, and the lever 309 connected to the second shaft seat 306 located below is horizontally arranged. By arranging the inclined plate 302, the four railings 305, and the four levers 309 between the first bracket 22 and the second bracket 23, A carton material storehouse is formed. By arranging a support plate 301, four second shaft seats 306, a fourth threaded rod 307, and a fifth threaded rod 308, the height of the carton material storehouse can be adjusted conveniently. By arranging a slide rail 303 and a counterweight slider 304 on the inclined plate 302, the carton material A2 is placed under the counterweight slider 304. Under the action of the weight of the counterweight slider 304 itself, the carton material A2 slides down naturally to facilitate the suction of the suction box mechanism 4. By arranging four adjustable gear rods 309, a certain obstruction is formed at the exit of the carton material storehouse to prevent the carton material A2 from sliding.

[0045] See also Figure 6-7The suction box mechanism 4 is arranged on the third bracket 24, including a third shaft seat 401, the third shaft seat 401 is slidably connected to the third bracket 24, a threaded hole is provided in the middle of the third shaft seat 401, a sixth threaded rod 402 is penetrated in the threaded hole of the third shaft seat 401, and an adjusting hand wheel is provided after the sixth threaded rod 402 penetrates the second fixed plate 215, a cylinder 403 is provided on one side of the third shaft seat 401, and the cylinder 403 is fixedly connected to the third shaft seat 401 through a cylinder fixing plate 404, a telescopic rod 405 is provided at the output end of the cylinder 403, and the telescopic rod 405 is horizontally connected to the cylinder push block 406, and two sliders 407 are fixed on the side of the third shaft seat 401 facing away from the cylinder 403, and the two sliders 407 is provided with a slide groove, in which a guide rail 408 is slidably connected, one end of the guide rail 408 is fixed with a connecting block 409, the connecting block 409 is connected to the cylinder push block 406, the other end of the guide rail 408 away from the connecting block 409 is fixed with an adjusting block 410, the other end of the adjusting block 410 is horizontally connected to a suction rod 411, the suction rod 411 is connected with a negative pressure device 412, the suction rod 411 is provided with a second adjusting hole 413, the negative pressure device 412 is connected with a suction nozzle 414, the suction rod 411, the negative pressure device 412, and the suction nozzle 414 extend between the upper turntable and the lower turntable of the turntable 1, and a cover fixing plate 415 is fixed above the third shaft seat 401, and a cover 416 is fixed on the cover fixing plate 415 (see Figure 2 ), by setting a third shaft seat 401 and a sixth threaded rod 402 on the third bracket 24, the height of the box suction mechanism 4 is adjusted, and by setting a cylinder 403, a slider 407, and a guide rail 408, the box suction mechanism 4 can move back and forth to facilitate the suction of the paper box material A2.

[0046] See also Figure 8-13The box opening mechanism 5 is arranged on the turntable 1. A suction box opening station A is arranged on the side of the turntable 1 facing the carton feeding mechanism 3. A carton seat A1 is arranged on the turntable 1 near the suction box opening station A. The carton seat A1 is used to place carton material A2. An elastic clip 51 is arranged at the entrance of the carton seat A1. The elastic clip 51 is symmetrically provided with two upper and lower ones. The elastic clip 51 includes a fixed seat 501. A fixed block 502 is arranged at one end of the fixed seat 501. The fixed block 502 is bolted to the outer panel of the turntable 1. The other end of the fixed seat 501 is provided with a fish mouth The fish mouth portion 503 has an arc-shaped side facing the carton feeding mechanism 3, a swing block 504 is sandwiched in the middle of the fish mouth portion 503, the swing block 504 is ear-shaped, and its outward side is arc-shaped, the fish mouth portion 503 is provided with a first through hole 505 and a second through hole 506, a third through hole 507 is provided in the middle of the swing block 504, the first through hole 505 is provided with a blocking column 508, a rotating shaft 509 is provided in the first through hole 505 and the third through hole 507, the swing block 504 is movably connected to the fish mouth portion 503 through the rotating shaft 509, and the A spring hole 510 is provided on one side of the swing block 504 opposite to the fish mouth portion 503, and a spring 511 is provided in the spring hole 510. By arranging the elastic clip 51, the arc-shaped fish mouth portion 503, the arc-shaped swing block 504, and the spring 511, when the sucking box mechanism 4 sucks the paper box material A2 and sends it into the paper box seat A1, the box body on the side where the cover portion A23 of the paper box material A2 is located can pass through the elastic clip 51 smoothly, and the box body part where the first ear portion A221 of the paper box material A2 is located is blocked by the elastic clip 51. As the sucking box mechanism 4 continues to suck inward, the cover portion A23 of the paper box material A2 is blocked by the elastic clip 51. On one side, the box body is sucked into the innermost side of the paper box seat A1. Since the paper box seat A1 can only accommodate one paper box, the box body part where the first ear A221 of the paper box material A2 is located is bent along the fold line, so that the paper box material A2 is just stretched open, and the box opening operation is easily realized. When the paper box material A2 completely enters the paper box seat A1 to open the box, the swing block 504 is reset under the action of the spring 511 and the stop column 508, so that the paper box material A2 is firmly stuck in the paper box seat A1 and rotates with the turntable 1 to enter the next process. The design of the box opening mechanism 5 is ingenious and reasonable, the structure is simple, and the box opening efficiency is high.

[0047] See also Fig.14 The paper box material A2 includes a box body A21, on which a first ear portion A221, a second ear portion A222, a box cover portion A23, and a box mouth portion A24 are provided, and on which a box cover portion A23 is provided a box tongue A25.

[0048] See also Figure 15-16 , a box sucking and opening mechanism for a cartoning machine, and a box opening method thereof, comprising:

[0049] S1, according to the size of the carton material A2, adjust the width of the carton material store between the first bracket 22 and the second bracket 23 by adjusting the hand wheel, the first threaded rod 216, and the second threaded rod 217, and adjust the height of the carton material store by adjusting the hand wheel, the fourth threaded rod 307, and the fifth threaded rod 308; wherein the vertical plane on the side opposite to the first bracket 22 of the second bracket 23 is in a straight line with the lower side edge of the carton seat A1 on the turntable 1;

[0050] S2, put the folded carton material A2 into the carton material storehouse composed of the inclined plate 302, four rails 305 and four gear bars 309 in the carton feeding mechanism 3, and the carton material A2 should be placed vertically below the counterweight slider 304 and above the four gear bars 309; the box body on the side where the box cover A23 of the carton material A2 is located should be placed close to the side of the second bracket 23;

[0051] S3, adjust the left and right position of the third bracket 24 by adjusting the hand wheel, the second threaded rod 217, and the third threaded rod 220, and adjust the height of the third shaft seat 401 and the guide rail 408 by adjusting the hand wheel and the sixth threaded rod 402, so that the negative pressure device 412 and the suction nozzle 414 on the box suction mechanism 4 are deeply inserted between the upper turntable and the lower turntable of the turntable 1, and are just located on the inner side of the paper box seat A1;

[0052] S4, start the cylinder 403, the telescopic rod 405 extends forward to drive the cylinder push block 406, the guide rail 408, the adjustment block 410, thereby driving the suction rod 411, the negative pressure device 412, and the suction nozzle 414 to extend until the suction nozzle 414 contacts the box body on one side where the cover part A23 of the paper box material A2 is located;

[0053] S5, start the negative pressure device 412 to make the suction nozzle 414 tightly suck the side box body where the cover part A23 of the paper box material A2 is located, and then start the cylinder 403 to drive the suction nozzle 414 to retract so that the side box body where the cover part A23 of the paper box material A2 is located enters the paper box seat A1;

[0054] S6, the box body portion where the first ear A221 of the carton material A2 is located is blocked by the two elastic clips 51, and the carton material A2 presses the swing block 504 under the continuous suction of the suction nozzle 414, and the spring 511 in the swing block 504 contracts, and the box body portion where the first ear A221 of the carton material A2 is located enters the carton seat A1 along the curved surface of the fish mouth portion 503, and then the box body A21 of the carton material A2 is expanded along the fold line portion to become a square box shape, filling the carton seat A1;

[0055] S7, the spring 511 in the swing block 504 rebounds and just blocks the outside of the box mouth A24 to prevent the paper box material A2 from sliding off, the negative pressure device 412 stops sucking air, the suction nozzle 414 releases the paper box material A2, the main motor is started to drive the turntable 1 to rotate clockwise, the paper box material A2 is sent to the next process, the new empty paper box seat A1 enters the box suction and opening station A, and the next paper box material A2 is sucked and opened, and the cycle is repeated.

[0056] Compared with the prior art, the present invention has the following beneficial effects:

[0057] 1. The present invention arranges a paper box seat A1 on a turntable 1, and arranges two elastic clips 51 composed of an arc-shaped fish mouth portion 503, an arc-shaped swing block 504, and a spring 511 at the entrance. With the cooperation of the box suction mechanism 4, the box body on one side where the box cover portion A23 of the paper box material A2 is located is sucked into the inner side of the paper box seat A1, and the box body portion where the first ear portion A221 of the paper box material A2 is located is blocked by the elastic clip 51 and then slides into the paper box seat A1 along the arc-shaped surface of the fish mouth portion 503 under the continuous suction of the suction nozzle 414. Then, the box body A21 of the paper box material A2 is stretched along the fold line portion to become a square box shape, filling the paper box seat A1, and the box opening operation is easily realized. The box opening mechanism 5 is cleverly and reasonably designed, and the structure is very simple. The box can be opened while the box is sucked, and the work efficiency is high.

[0058] 2. The present invention can conveniently adjust the positions of the first bracket 22, the second bracket 23, and the third bracket 24 by setting the base 21, the first threaded rod 216, the second threaded rod 217, and the third threaded rod 220; the adjustment accuracy is high, the bracket is stable, and the adaptability is strong.

[0059] 3. The present invention forms a paper box material warehouse by arranging an inclined plate 302, four railings 305, and four gear bars 309 between the first bracket 22 and the second bracket 23. By arranging a slide rail 303 and a counterweight slider 304 on the inclined plate 302, the paper box material A2 is placed under the counterweight slider 304. Under the action of the gravity of the counterweight slider 304, the paper box material A2 slides down naturally, which is convenient for suction.

[0060] 4. The present invention adjusts the height of the box suction mechanism 4 by arranging the third shaft seat 401 and the sixth threaded rod 402 on the third bracket 24, and enables the box suction mechanism 4 to move forward and backward to facilitate the suction of the paper box material A2 by arranging the cylinder 403, the slider 407, and the guide rail 408.

[0061] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0062] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A box sucking and opening mechanism for a cartoning machine, comprising a turntable (1), characterized in that: A frame (2) is provided on one side of the turntable (1), a carton feeding mechanism (3) is provided on one side of the frame (2), a carton suction mechanism (4) is provided below the carton feeding mechanism (3), and a carton opening mechanism (5) is provided on the side of the turntable (1) close to the carton feeding mechanism (3); The frame (2) comprises a base (21), the base (21) comprises two first optical axes (211), two ends of the two first optical axes (211) are provided with first fixing plates (212), the two first fixing plates (212) are fixed to the main machine platform, a first bracket (22), a second bracket (23), and a third bracket (24) are arranged between the two first fixing plates (212), the first bracket (22), the second bracket (23), and the third bracket (24) have the same structure, and are respectively composed of a second optical axis (213), a first axis seat (214), and a second fixing plate (215), the first bracket (22), the second bracket (23), and the third bracket (24) are all perpendicular to the base (21), the three first axis seats (214) are each provided with two circular holes, the two first optical axes (211) respectively penetrate the circular holes on the three first axis seats (214), and the three A threaded hole is provided in the middle of each of the first shaft seats (214); a first threaded rod (216) and a second threaded rod (217) are respectively passed through the two first fixing plates (212); the first threaded rod (216) is threadedly connected to the first bracket (22); the second threaded rod (217) is threadedly connected to the second bracket (23) and the third bracket (24); a first reinforcing block (218) is fixed on the first shaft seat (214) at the lower part of the third bracket (24); a second reinforcing block (219) is provided on one side of the first reinforcing block (218); the second reinforcing block (219) is fixedly connected to the first fixing plate (212); a third threaded rod (220) is provided between the first reinforcing block (218) and the second reinforcing block (219); and the ends of the first threaded rod (216), the second threaded rod (217) and the third threaded rod (220) are all connected to adjusting hand wheels; The paper box feeding mechanism (3) is arranged between the first bracket (22) and the second bracket (23), and comprises a support plate (301), wherein the support plate (301) is movably connected to the second bracket (23), an inclined plate (302) is fixedly connected to the support plate (301), a slide rail (303) is arranged in the middle of the inclined plate (302), a counterweight slider (304) is slidably connected to the slide rail (303), and four rails (305) are symmetrically arranged on both sides above the inclined plate (302), and the four rails (305) are arranged on the upper side of the inclined plate (302). The lower ends of the handrails (305) are respectively fixedly connected to the second shaft seats (306), and the second shaft seats (306) are provided with four, which are respectively symmetrically and movably connected to the first bracket (22) and the second bracket (23), the first bracket (22) is provided with a fourth threaded rod (307), and the second bracket (23) is provided with a fifth threaded rod (308), and the fourth threaded rod (307) and the fifth threaded rod (308) are provided with an adjustment hand wheel after passing through the second fixed plate (215), and the four second shaft seats (306) is provided with a threaded hole in the middle, the fourth threaded rod (307) and the fifth threaded rod (308) pass through the threaded hole in the middle of the second shaft seat (306), and the four second shaft seats (306) are respectively provided with a shift rod (309) on one side facing the turntable (1), one end of the shift rod (309) is connected to the adjustment plate (310), and the adjustment plate (310) is provided with a first adjustment hole (3101) in the middle, and an adjustment bolt (3102) is provided in the first adjustment hole (3101). The section plate (310) is connected to the second shaft seat (306) through the first adjustment hole (3101) and the adjustment bolt (3102), wherein the shift rod (309) connected to the second shaft seat (306) located above is vertically arranged, and the shift rod (309) connected to the second shaft seat (306) located below is horizontally arranged, and a carton material warehouse is formed by arranging an inclined plate (302), four railings (305) and four shift rods (309) between the first bracket (22) and the second bracket (23); The suction box mechanism (4) is arranged on the third bracket (24), and comprises a third shaft seat (401). The third shaft seat (401) is slidably connected to the third bracket (24). A threaded hole is arranged in the middle of the third shaft seat (401). A sixth threaded rod (402) is passed through the threaded hole of the third shaft seat (401). After the sixth threaded rod (402) passes through the second fixed plate (215), an adjusting hand wheel is arranged. A cylinder (403) is arranged on one side of the third shaft seat (401). The cylinder (403) is fixedly connected to the third shaft seat (401) through a cylinder fixed plate (404). A telescopic rod (405) is arranged at the output end of the cylinder (403). The telescopic rod (405) is horizontally connected to a cylinder push block (406). Two sliders (407) are fixed on the side of the third shaft seat (401) facing away from the cylinder (403). The two sliders (407) 7) is provided with a slide groove, in which a guide rail (408) is slidably connected, one end of the guide rail (408) is fixed with a connecting block (409), the connecting block (409) is connected to the cylinder push block (406), the other end of the guide rail (408) away from the connecting block (409) is fixed with an adjusting block (410), the other end of the adjusting block (410) is horizontally connected to a suction rod (411), and the suction rod (411) is connected to a negative A negative pressure device (412) is provided on the suction rod (411), a second adjustment hole (413) is provided on the negative pressure device (412), a suction nozzle (414) is connected to the negative pressure device (412), the suction rod (411), the negative pressure device (412), and the suction nozzle (414) extend into between the upper turntable and the lower turntable of the turntable (1), a cover fixing plate (415) is fixed above the third shaft seat (401), and a cover (416) is fixed on the cover fixing plate (415); The box opening mechanism (5) is arranged on a rotating disk (1), and a suction box opening station (A) is arranged on a side of the rotating disk (1) facing the box feeding mechanism (3). A box seat (A1) is arranged on the rotating disk (1) near the suction box opening station (A), and the box seat (A1) is used to place box materials (A2). An elastic clip (51) is arranged at the entrance of the box seat (A1), and two elastic clips (51) are symmetrically arranged in an upper and a lower manner. The elastic clip (51) includes a fixed seat (501), and a fixed block (502) is arranged at one end of the fixed seat (501), and the fixed block (502) is bolted to the outer side panel of the rotating disk (1). A fish mouth portion (503) is arranged at the other end of the fixed seat (501), and the fish mouth portion (503) faces the box feeding mechanism ( 3) is arc-shaped, a swing block (504) is sandwiched in the middle of the fish mouth (503), the swing block (504) is ear-shaped, and its outward side is arc-shaped, the fish mouth (503) is provided with a first through hole (505) and a second through hole (506), a third through hole (507) is provided in the middle of the swing block (504), the first through hole (505) is provided with a blocking column (508), a rotating shaft (509) is provided in the first through hole (505) and the third through hole (507), the swing block (504) is movably connected to the fish mouth (503) through the rotating shaft (509), and a spring hole (510) is provided on a side of the swing block (504) opposite to the fish mouth (503), and a spring (511) is provided in the spring hole (510); The paper box material (A2) comprises a box body (A21), the box body (A21) is provided with a first ear portion (A221), a second ear portion (A222), a box cover portion (A23), and a box mouth portion (A24), and the box cover portion (A23) is provided with a box tongue (A25).

2. A box opening method of a box sucking and opening mechanism of a cartoning machine, using the box sucking and opening mechanism of a cartoning machine as claimed in claim 1, characterized in that: The steps include: S1, according to the size of the paper box material (A2), the width of the paper box material store between the first bracket (22) and the second bracket (23) is adjusted by adjusting the hand wheel, the first threaded rod (216), and the second threaded rod (217), and the height of the paper box material store is adjusted by adjusting the hand wheel, the fourth threaded rod (307), and the fifth threaded rod (308); wherein the vertical plane on the side opposite to the first bracket (22) of the second bracket (23) is in a straight line with the lower side edge of the paper box seat (A1) on the turntable (1); S2, placing the folded paper box material (A2) into the paper box material storage composed of the inclined plate (302), four railings (305) and four gear bars (309) in the paper box feeding mechanism (3), the paper box material (A2) needs to be placed vertically below the counterweight slider (304) and above the four gear bars (309); the box body on the side where the box cover (A23) of the paper box material (A2) is located must be placed close to the side of the second bracket (23); S3, adjusting the left and right position of the third bracket (24) by adjusting the hand wheel, the second threaded rod (217), and the third threaded rod (220), and adjusting the height of the third shaft seat (401) and the guide rail (408) by adjusting the hand wheel and the sixth threaded rod (402), so that the negative pressure device (412) and the suction nozzle (414) on the suction box mechanism (4) are deeply inserted between the upper turntable and the lower turntable of the turntable (1), and are just located on the inner side of the paper box seat (A1); S4, start the cylinder (403), the telescopic rod (405) extends forward to drive the cylinder push block (406), the guide rail (408), the adjustment block (410), thereby driving the suction rod (411), the negative pressure device (412), and the suction nozzle (414) to extend until the suction nozzle (414) contacts the box body on one side where the cover portion (A23) of the paper box material (A2) is located; S5, start the negative pressure device (412) to make the suction nozzle (414) tightly suck the box body on one side where the box cover (A23) of the paper box material (A2) is located, and then start the cylinder (403) to drive the suction nozzle (414) to retract so that the box body on one side where the box cover (A23) of the paper box material (A2) is located enters the paper box seat (A1); S6, the box body portion where the first ear portion (A221) of the paper box material (A2) is located is blocked by the two elastic clips (51), and under the continuous suction of the suction nozzle (414), the paper box material (A2) presses the swing block (504), the spring (511) in the swing block (504) contracts, and the box body portion where the first ear portion (A221) of the paper box material (A2) is located enters the paper box seat (A1) along the curved surface of the fish mouth portion (503), and then the box body (A21) of the paper box material (A2) is expanded along the fold line portion to become a square box shape, filling the paper box seat (A1); S7, the spring (511) in the swing block (504) rebounds and just blocks the outer side of the box mouth (A24) to prevent the paper box material (A2) from sliding off, the negative pressure device (412) stops suctioning, the suction nozzle (414) releases the paper box material (A2), the main motor is started to drive the turntable (1) to rotate clockwise, the paper box material (A2) is sent to the next process, and the new empty paper box seat (A1) enters the suction box opening station (A) to carry out the suction box opening of the next paper box material (A2).

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