CN213168746U - Folding mechanism of case unpacking machine - Google Patents

Abstract

The utility model relates to the technical field of carton unpacking equipment, in particular to a folding mechanism of an unpacking machine, which is provided with a folding rack and is characterized in that the folding rack is provided with a rear limiting component, a right limiting component, a left pressing component, a left bottom plate folding component, a right bottom plate folding component, a lower bottom plate folding component and an upper bottom plate folding component, the rear side of the folding rack is provided with the rear limiting component, the right side of the folding rack is provided with the right limiting component, the left pressing component is arranged at the left side of the folding rack, the front sides of a left pressing frame in the left pressing component and a right limiting frame in the right limiting component are respectively provided with the left bottom plate folding component and the right bottom plate folding component, the front side of the folding rack is provided with a supporting rod corresponding to the position of the upper bottom plate of a carton, the supporting rod is provided with the upper bottom plate folding component, the lower, has the advantages of simple structure, convenient use, improved unpacking efficiency, reduced labor intensity and the like.

Description

Folding mechanism of case unpacking machine

Technical Field

The utility model belongs to the technical field of carton unpacking equipment technique and specifically relates to a simple structure, convenient to use, improvement unpacking efficiency, reduction intensity of labour's unpacking machine folding mechanism.

Background

As is well known, the existing equipment needs to be packaged by cartons in the sale process, at present, the cartons are generally folded into a flat plate state for convenient transportation and small space occupation after being manufactured in carton factories, before the equipment is packaged, the cartons need to be unpacked, for stable transportation of products with heavy weight, the problem of glue opening caused by the action of weight after middle adhesive tape sealing is prevented, the existing cartons are generally sealed by lateral adhesive tapes at the bottom of a carton body instead of the middle of the bottom of the carton body, however, the existing carton unpacking is manually operated no matter the middle adhesive tape sealing at the bottom of the carton body or the lateral adhesive tapes sealing at the bottom of the carton body, the flat plate-shaped cartons are opened into a solid shape, the front plate of the carton, the left side plate of the carton, the upper bottom plate of the carton, the left bottom plate of the carton, the upper top plate of the carton and the left top plate of the, and the carton back plate, the carton right side plate, the carton lower bottom plate, the carton right bottom plate, the carton lower top plate and the carton right top plate are arranged below the carton, and the flat-plate-shaped carton is opened to form a solid carton and then the bottom plate is subjected to adhesive tape sealing treatment, so that the carton opening efficiency is low and the labor intensity is high.

Disclosure of Invention

The utility model aims at solving the deficiencies of the prior art, providing a simple structure, convenient to use, improvement unpacking efficiency, reduction intensity of labour's unpacking machine folding mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

a folding mechanism of a case unpacking machine is provided with a folding rack and is characterized in that the folding rack is provided with a rear limiting component, a right limiting component, a left pressing component, a left bottom plate folding component, a right bottom plate folding component, a lower bottom plate folding component and an upper bottom plate folding component, the rear side of the folding rack is provided with the rear limiting component, the rear limiting component comprises a rear limiting frame, a rear limiting cylinder, a rear limiting slide block and a rear limiting guide shaft, the rear limiting guide shaft is fixed below the folding rack through a guide shaft seat, the rear limiting frame is in sliding connection with the rear limiting guide shaft through the rear limiting slide block, the rear limiting cylinder is connected with the lower part of the folding rack, the output shaft of the rear limiting cylinder is communicated with the rear limiting frame, the upper end of the rear limiting frame extends to the upper part of the folding rack and is mutually vertical to the folding rack, the rear limiting cylinder drives the rear limiting frame to move back and forth, the right side of the folding rack is provided with a right limiting assembly, the right limiting assembly comprises a right limiting frame, a right limiting cylinder, a right limiting hinge and a right limiting rotary joint, the lower end of the right limiting frame is hinged with the folding rack through a hinge, the right side surface of the right limiting frame is provided with the right limiting cylinder, an output shaft of the right limiting cylinder is connected with the right limiting frame through the right limiting rotary joint, the bottom of a cylinder body of the right limiting cylinder extends to the lower part of the folding rack and is connected with the bottom of the folding rack through the right limiting hinge, the right limiting frame is driven to turn along the hinge by driving the right limiting cylinder, the left pressing assembly is arranged on the left side of the folding rack and comprises a left pressing frame, a left pressing cylinder, a left pressing guide shaft and a left pressing slide block, the left pressing guide shaft is fixed below the folding rack, the left pressing guide shaft is in sliding connection with the left pressing frame through the left pressing slide block, the left pressing cylinder is arranged below the folding rack and fixedly connected with the folding rack, the output shaft of the left pressing cylinder is connected with the lower end of the left pressing frame, the upper end of the left pressing frame extends out of the upper part of the folding rack, the left pressing frame is driven by the left pressing cylinder to move left and right on the pressing rack, the front sides of the left pressing frame and the right limiting frame in the left pressing assembly are respectively provided with a left bottom plate folding assembly and a right bottom plate folding assembly, the left bottom plate folding assembly and the right bottom plate folding assembly are respectively composed of a folding frame, a folding cylinder and a folding push plate, the folding frame is respectively connected with the front sides of the left pressing frame and the right limiting frame and forms an angle of 30-60 degrees with the left pressing frame and the right limiting frame, the folding frame connected with the left pressing frame inclines towards the left side, and the folding frame connected with the right pressing frame inclines towards the right side, the folding frame is provided with a folding cylinder, the folding cylinder is connected with the folding frame, an output shaft of the folding cylinder is connected with the push plate, the folding cylinder extends out to drive the push plate to extend out so as to fold the left bottom plate and the right bottom plate, a supporting rod corresponding to the height of the carton and the position of the upper bottom plate of the carton is arranged at the front side of the folding rack, an upper bottom plate folding assembly is arranged on the supporting rod, a lower bottom plate folding assembly is arranged on the folding rack right below the upper bottom plate folding assembly, the upper bottom plate folding assembly and the lower bottom plate folding assembly respectively comprise a cylinder rotating support, a rotating cylinder, a rotating main shaft, a rotating support plate, a rotating shaft seat, a rotating connecting seat and a folding rod, the rotating cylinder is hinged with the support plate or the folding rack through the cylinder rotating support, an output shaft of the rotating cylinder is hinged with the rotating support plate through a rotating, the turning support plate is characterized in that turning shaft seats are respectively arranged below or above two ends of the turning support plate, a turning main shaft is connected between the turning shaft seats through a bearing, a turning connecting seat is sleeved on the turning main shaft and is respectively connected with the turning support plate and the support rod or the folding table frame, and the turning support plate is driven to rotate along the turning main shaft through a turning cylinder so as to drive the folding rod to rotate to realize the turning action of the upper bottom plate and the lower bottom plate.

Folding rack's front side be equipped with the preceding subassembly that pushes away, the preceding subassembly that pushes away including the preceding cylinder that pushes away, the preceding gyration mount that pushes away, the preceding gyration frame that pushes away, the preceding axle bed that pushes away, the preceding connection seat that pushes away, preceding cylinder 37 that pushes away through the preceding gyration mount 38 that pushes away articulated mutually with folding rack 1 below, the output shaft of the preceding cylinder that pushes away is pushed away the gyration frame before through the preceding and is connected, the below both sides of the preceding frame that pushes away are connected with the preceding connection seat that pushes away, the preceding connection seat that pushes away is connected with the preceding gyration axle through the bearing between, the cover has the preceding axle bed that pushes away in the preceding gyration axle, the preceding axle bed that pushes away is connected with folding rack, push away the frame rotation before driving through the preceding cylinder and realize the lower plate's of the preceding frame that pushes away to the carton location that compresses tightly.

Folding rack below carton lower plate position on be equipped with the adsorption component who adsorbs carton lower plate, adsorption component include sucking disc, bracing piece, absorption cylinder and constitute, absorption cylinder establish in folding rack below and be connected with folding rack, the output shaft that adsorbs the cylinder is connected with the bracing piece, the upper end of bracing piece is connected with the sucking disc, the sucking disc is connected with the air supply through the air duct, drive bracing piece and sucking disc through adsorbing the cylinder and shift up to adsorb the carton lower plate to move down adsorbed carton lower plate through the sucking disc, dodge the space to the folding of carton left bottom plate and carton right bottom plate.

The utility model is characterized in that the folding rack is provided with a rear limit component, a right limit component, a left compression component, a left bottom plate folding component, a right bottom plate folding component, a lower bottom plate folding component and an upper bottom plate folding component, the rear side of the folding rack is provided with a rear limit component, the rear limit component comprises a rear limit frame, a rear limit cylinder, a rear limit slider and a rear limit guide shaft, the rear limit guide shaft is fixed below the folding rack through a guide shaft seat, the rear limit frame is connected with the rear limit guide shaft through the rear limit slider in a sliding way, the rear limit cylinder is connected with the lower part of the folding rack, the output shaft of the rear limit cylinder is communicated with the rear limit frame, the upper end of the rear limit frame extends to the upper part of the folding rack and is mutually vertical to the folding rack, the rear limit frame is driven to move back and forth through the rear limit cylinder, the right side of the folding rack is provided with the right limit component, the right limiting assembly comprises a right limiting frame, a right limiting cylinder, a right limiting hinge and a right limiting rotary joint, the lower end of the right limiting frame is hinged with the folding rack through a hinge, the right side surface of the right limiting frame is provided with the right limiting cylinder, an output shaft of the right limiting cylinder is connected with the right limiting frame through the right limiting rotary joint, the bottom of a cylinder body of the right limiting cylinder extends to the lower part of the folding rack and is connected with the bottom of the folding rack through the right limiting hinge, the right limiting frame is driven to turn over along the hinge by driving the right limiting cylinder, the left pressing assembly is arranged on the left side of the folding rack and comprises a left pressing frame, a left pressing cylinder, a left pressing guide shaft and a left pressing slide block, the left pressing guide shaft is fixed below the folding rack, and the left pressing guide shaft is connected with the left pressing frame in a sliding manner through the left pressing slide block, the left pressing cylinder is arranged below the folding rack and fixedly connected with the folding rack, the output shaft of the left pressing cylinder is connected with the lower end of the left pressing frame, the upper end of the left pressing frame extends out of the upper part of the folding rack, the left pressing frame is driven by the left pressing cylinder to move left and right on the pressing rack, the front sides of the left pressing frame and the right limiting frame in the left pressing assembly are respectively provided with a left bottom plate folding assembly and a right bottom plate folding assembly, the left bottom plate folding assembly and the right bottom plate folding assembly are respectively composed of a folding frame, a folding cylinder and a folding push plate, the folding frame is respectively connected with the front sides of the left pressing frame and the right limiting frame and forms an angle of 30-60 degrees with the left pressing frame and the right limiting frame, the folding frame connected with the left pressing frame inclines towards the left side, and the folding frame connected with the right pressing frame inclines towards the right side, the folding frame is provided with a folding cylinder, the folding cylinder is connected with the folding frame, an output shaft of the folding cylinder is connected with the push plate, the folding cylinder extends out to drive the push plate to extend out so as to fold the left bottom plate and the right bottom plate, a supporting rod corresponding to the height of the carton and the position of the upper bottom plate of the carton is arranged at the front side of the folding rack, an upper bottom plate folding assembly is arranged on the supporting rod, a lower bottom plate folding assembly is arranged on the folding rack right below the upper bottom plate folding assembly, the upper bottom plate folding assembly and the lower bottom plate folding assembly respectively comprise a cylinder rotating support, a rotating cylinder, a rotating main shaft, a rotating support plate, a rotating shaft seat, a rotating connecting seat and a folding rod, the rotating cylinder is hinged with the support plate or the folding rack through the cylinder rotating support, an output shaft of the rotating cylinder is hinged with the rotating support plate through a rotating, the front pushing assembly comprises a front pushing cylinder, a front pushing rotary fixing frame, a front pushing rotary support plate, a front pushing rotary frame, a front pushing rotary shaft seat and a front pushing connecting seat, the front pushing rotary fixing frame comprises a front pushing cylinder, a front pushing rotary fixing frame, a front pushing rotary joint, a front pushing frame, a front pushing rotary shaft, a front pushing shaft seat and a front pushing connecting seat, the front pushing cylinder 37 is hinged with the lower part of the folding rack 1 through the front pushing rotary fixing frame 38, an output shaft of the front pushing cylinder is connected with the front pushing frame through the front pushing rotary joint, the two sides of the lower part of the front pushing frame are connected with the front pushing connecting seat, and the front pushing connecting seat is connected with the front pushing rotary shaft through a bearing, the upper cover of the forward-push rotation shaft is provided with a forward-push shaft seat which is connected with a folding rack, the forward-push shaft seat is driven by a forward-push cylinder to rotate to realize the compression and positioning of the forward-push frame on the lower bottom plate of the carton, the lower bottom plate of the carton is provided with an adsorption component for adsorbing the lower bottom plate of the carton at the position of the lower bottom plate of the carton below the folding rack, the adsorption component comprises a sucker, a support rod and an adsorption cylinder, the adsorption cylinder is arranged below the folding rack and connected with the folding rack, the output shaft of the adsorption cylinder is connected with the support rod, the upper end of the support rod is connected with the sucker, the sucker is connected with an air source through an air duct, the adsorption cylinder drives the support rod and the sucker to move upwards to adsorb the lower bottom plate of the carton, the adsorbed lower bottom plate of the carton moves downwards through the sucker, Reducing labor intensity and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the rear limiting assembly in fig. 1.

Fig. 3 is a schematic structural view of the right check assembly in fig. 1, wherein 3-1 is a perspective view and 3-2 is a side view.

Fig. 4 is a schematic structural view of the left compression assembly of fig. 1.

Fig. 5 is a schematic structural view of the left and right bottom panel folding assemblies of fig. 1.

Fig. 6 is a schematic structural view of the lower and upper base sheet folding assemblies of fig. 1.

Fig. 7 is a schematic structural view of the push-forward assembly of fig. 1.

Fig. 8 is a schematic structural view of the adsorption assembly of fig. 1.

Fig. 9 is a schematic structural view of the positional relationship between the pushing assembly and the folding assembly of the lower plate in fig. 1.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawings, the folding mechanism of the case unpacking machine is provided with a folding rack 1, the folding rack 1 is provided with a rear limiting component 2, a right limiting component 3, a left pressing component 4, a left bottom plate folding component 5, a right bottom plate folding component 6, a lower bottom plate folding component 7, an upper bottom plate folding component (the structure is the same as that of the lower bottom plate folding component, the upper bottom plate folding component is arranged on a grabbing frame of the grabbing mechanism and is not shown in the figure), a front pushing component 9 and a sucker component 10, the rear limiting component 2, the right limiting component 3, the left pressing component 4, the left bottom plate folding component 5, the right bottom plate folding component 6, the lower bottom plate folding component 7, the upper bottom plate folding component, the front pushing component 9, the sucker component 10, a front paper box plate, a left side plate, an upper paper box bottom plate, a left bottom plate, an upper paper box top plate, a left top plate, the right side plate of the carton, the lower bottom plate of the carton, the right bottom plate of the carton, the lower top plate of the carton and the right top plate of the carton are folded on the folding rack at the corresponding positions;

as shown in fig. 2, a rear limiting component 2 is arranged at the rear side of the folding rack 1, the rear limiting component 2 comprises a rear limiting frame 11, a rear limiting cylinder 12, a rear limiting slider 13 and a rear limiting guide shaft 14, the rear limiting guide shaft 14 is fixed below the folding rack 1 through a guide shaft seat 15, the rear limiting frame 11 is slidably connected with the rear limiting guide shaft 14 through the rear limiting slider 13, the rear limiting cylinder 12 is connected with the lower part of the folding rack 1, an output shaft of the rear limiting cylinder 12 is communicated with the rear limiting frame 11, the upper end of the rear limiting frame 11 extends to the upper part of the folding rack 1 and is vertical to the folding rack 1, and the rear limiting cylinder 12 drives the rear limiting frame 11 to move back and forth,

as shown in fig. 3, a right limit component 3 is arranged on the right side of the folding rack 1, the right limit component 3 comprises a right limit frame 16, a right limit cylinder 17, a right limit hinge 18, a right limit hinge 19 and a right limit rotary joint 20, the lower end of the right limit frame 16 is hinged with the folding rack 1 through the right limit hinge 19, the right side of the right limit frame 16 is provided with the right limit cylinder 17, the output shaft of the right limit cylinder 17 is connected with the right limit frame 16 through the right limit rotary joint 20, the bottom of the right limit cylinder 17 extends to the lower part of the folding rack 1 and is connected with the bottom of the folding rack 1 through the right limit hinge 18, the right limit cylinder 17 is driven to drive the right limit frame 16 to turn over along the hinge, the right limit hinge 18 and the right limit rotary joint 20 are both used in the prior art for realizing hinging, and are not repeated,

as shown in fig. 4, the left pressing component 4 is arranged on the left side of the folding rack 1, the left pressing component 4 comprises a left pressing frame 21, a left pressing cylinder 22, a left pressing guide shaft 23 and a left pressing slider 24, the left pressing guide shaft 23 is fixed below the folding rack 1 through a fixing seat 25, the left pressing guide shaft 23 is slidably connected with the left pressing frame 21 through the left pressing slider 24, the left pressing cylinder 22 is arranged below the folding rack 1 and is fixedly connected with the folding rack, an output shaft of the left pressing cylinder 22 is connected with the lower end of the left pressing frame 21, the upper end of the left pressing frame 21 extends out of the upper part of the folding rack 1, the left pressing cylinder 22 drives the left pressing frame 21 to move left and right on the pressing rack,

as shown in fig. 5, the front sides of the left compressing frame 21 in the left compressing assembly 4 and the right limiting frame 16 in the right limiting assembly 3 are respectively provided with a left bottom plate folding assembly 5 and a right bottom plate folding assembly 6, the left bottom plate folding assembly and the right bottom plate folding assembly 6 are respectively composed of a folding frame 26, a folding cylinder 27 and a folding push plate 28, the folding frame 26 is respectively connected with the front side surfaces of the left compressing frame 21 and the right limiting frame 16 and forms an angle of 30-60 degrees with the left compressing frame 21 and the right limiting frame 16, the folding frame 26 connected with the left compressing frame 21 inclines towards the left side, the folding frame 26 connected with the right compressing frame inclines towards the right side, the folding cylinder 27 is arranged on the folding frame 26, the folding cylinder 27 is connected with the folding frame 26, the output shaft of the folding cylinder 27 is connected with the push plate, the folding cylinder 27 extends out to drive the push plate to extend out so as to realize the folding of the left bottom plate and the right bottom, in practical application, as can be seen from the overall arrangement in fig. 1, the left bottom board folding assembly and the right bottom board folding assembly are symmetrically arranged on the folding rack, in order to increase stability, the right lower side of the folding frame 26 in the left bottom board folding assembly is connected with the left pressing frame 21 through the supporting frame, the folding cylinder 27 pushes the folding push plate 28 to push the left bottom board and the right bottom board of the carton to fold through the angle relationship between the folding frame 26 and the left pressing frame 21, the right limiting frame 16,

as shown in fig. 6, a support rod corresponding to the height of the carton and the position of the upper bottom plate of the carton is arranged at the front side of the folding rack 1, in the actual use process, the support rod is arranged on a grabbing frame in the grabbing mechanism at the previous station, an upper bottom plate folding assembly is arranged on the grabbing frame of the grabbing mechanism at the upward moving station, a lower bottom plate folding assembly 7 is arranged on the folding rack 1 right below the upper bottom plate folding assembly, the upper bottom plate folding assembly and the lower bottom plate folding assembly 7 both comprise a cylinder rotating bracket 29, a rotating cylinder 30, a rotating main shaft 31, a rotating support plate 32, a rotating shaft seat 33, a rotating connecting seat 34 and a folding rod 35, the rotating cylinder 30 is hinged with the support frame or the folding rack 1 through the cylinder rotating bracket, the output shaft of the rotating cylinder 30 is hinged with the rotating support plate 32 through a rotating shaft hinge 36, the rotating support plate 32 is provided with the folding rod 35 vertically, the lower part or the upper part of the two ends of the rotary support plate 32 is respectively provided with a rotary shaft seat 33, the rotary shaft seats 33 are connected with a rotary main shaft 31 through a bearing, a rotary connecting seat 34 is sleeved on the rotary main shaft 31, the rotary connecting seat 34 is respectively connected with the rotary support plate 32 and the support rod or the folding table frame 1, the rotary support plate 32 is driven by a rotary air cylinder 30 to rotate along the rotary main shaft 31 so as to drive the folding rod 35 to rotate to realize the turning action of the upper bottom plate and the lower bottom plate, the air cylinder rotary support 29 and the rotary shaft hinge are both a hinge mode for realizing the rotation of the rotary air cylinder and the rotation of the rotary support plate,

as shown in fig. 7, a front pushing assembly 9 is disposed on the front side of the folding rack 1, the front pushing assembly 9 includes a front pushing cylinder 37, a front pushing rotary fixing frame 38, a front pushing rotary joint 39, a front pushing frame 40, a front pushing rotary shaft 41, a front pushing shaft seat 42, and a front pushing connecting seat 43, the front pushing cylinder 37 is hinged to the lower portion of the folding rack 1 through the front pushing rotary fixing frame 38, an output shaft of the front pushing cylinder 37 is connected to the front pushing frame 40 through the front pushing rotary joint 39, two sides of the lower portion of the front pushing frame 40 are connected to the front pushing connecting seat 43, the front pushing connecting seat 43 is connected to the front pushing rotary shaft 41 through a bearing, the front pushing rotary shaft 41 is sleeved with the front pushing shaft seat 42, the front pushing shaft seat 42 is connected to the folding rack 1, the front pushing cylinder 37 drives the front pushing frame 40 to rotate to realize the pressing and positioning of the front pushing frame 40 on the lower bottom plate of the carton, an absorption assembly for absorbing the lower bottom plate of the carton is disposed on the lower portion of the carton below the folding rack 1, the forward-push rotary fixing frame 38 and the forward-push rotary joint 39 are hinged to realize the rotation between the forward-push cylinder and the folding step and between the forward-push frame, which is not described in detail,

as shown in fig. 8, an adsorption assembly for adsorbing the lower carton bottom plate is arranged on the lower carton bottom plate of the folding rack, the adsorption assembly comprises a suction cup 44, a support rod 45 and an adsorption cylinder 46, the adsorption cylinder 46 is arranged below the folding rack 1 and connected with the folding rack 1, an output shaft of the adsorption cylinder 46 is connected with the support rod 45, in order to increase stability, as shown in fig. 8, an output shaft of the adsorption cylinder 46 is connected with the lower end of the support rod through a connecting plate 47, the upper end of the support rod 45 is connected with the suction cup 44, the suction cup 44 is connected with an air source through an air duct, the adsorption cylinder 46 drives the support rod 45 and the suction cup 44 to move upwards to adsorb the lower carton bottom plate, the adsorption lower carton bottom plate moves downwards through the suction cup 44, and a folding avoiding space for the left carton bottom plate.

As shown in fig. 9, the rotation support plate 32 and the folding rod 35 of the lower plate folding assembly 7 of the present invention are disposed in the frame of the forward pushing frame 40 of the forward pushing assembly 9, and do not interfere with each other during the folding process of the lower plate folding assembly 7 and the forward pushing assembly 9, so as to fold and push the lower plate tightly.

When the utility model is used, the rear limiting component 2, the right limiting component 3, the left pressing component 4, the left bottom plate folding component 5, the right bottom plate folding component 6, the lower bottom plate folding component 7, the upper bottom plate folding component 8 and the forward pushing component 9 on the folding rack 1 respectively correspond to the position of the carton, the carton is grabbed to the folding rack 1 of the design through the grabbing mechanism of the previous station, because the grabbing mechanism exists in the actual use process, the upper bottom plate folding component 8 in the design is arranged on the grabbing frame of the grabbing mechanism, when the carton needs to be folded, firstly, the rear limiting cylinder 12 in the rear limiting component 2 drives the rear limiting frame 11, the right limiting cylinder 17 in the right limiting component 3 drives the right limiting frame 16 to limit the grabbed carton, then, the carton is changed into a three-dimensional shape from a flat plate through the grabbing frame in the previous station, the left compressing cylinder 22 in the left compressing assembly 4 drives the left compressing frame 21 to move rightwards to clamp the three-dimensional box body leftwards and rightwards, then the adsorption assembly is started to adsorb the lower bottom plate of the carton and move downwards, then the folding cylinders 27 in the left bottom plate folding assembly 5 and the right bottom plate folding assembly 6 are started, the folding cylinders 27 respectively push the folding push plates 28 out to fold the left bottom plate and the right bottom plate of the carton, then the rotary cylinders 30 in the upper bottom plate folding assembly 8 are sequentially started, the folding rods 35 are driven by the rotary cylinders 30 in the upper bottom plate folding assembly 8 to fold the upper bottom plate of the carton, then the rotary cylinders 30 in the lower bottom plate folding assembly 7 are started, the folding rods 35 are driven by the rotary cylinders 30 in the lower bottom plate folding assembly 7 to fold the lower bottom plate of the carton, the forward pushing cylinders 37 in the forward pushing assembly 9 are driven, the forward pushing frame 40 is driven by the forward pushing cylinders 37 to press on the folded lower bottom plate of, and (5) pressing the lower bottom plate of the carton, and performing the pasting work of the station moved downwards.

Claims (3)

1. A folding mechanism of a case unpacking machine is provided with a folding rack and is characterized in that the folding rack is provided with a rear limiting component, a right limiting component, a left pressing component, a left bottom plate folding component, a right bottom plate folding component, a lower bottom plate folding component and an upper bottom plate folding component, the rear side of the folding rack is provided with the rear limiting component, the rear limiting component comprises a rear limiting frame, a rear limiting cylinder, a rear limiting slide block and a rear limiting guide shaft, the rear limiting guide shaft is fixed below the folding rack through a guide shaft seat, the rear limiting frame is in sliding connection with the rear limiting guide shaft through the rear limiting slide block, the rear limiting cylinder is connected with the lower part of the folding rack, the output shaft of the rear limiting cylinder is communicated with the rear limiting frame, the upper end of the rear limiting frame extends to the upper part of the folding rack and is mutually vertical to the folding rack, the rear limiting cylinder drives the rear limiting frame to move back and forth, the right side of the folding rack is provided with a right limiting assembly, the right limiting assembly comprises a right limiting frame, a right limiting cylinder, a right limiting hinge and a right limiting rotary joint, the lower end of the right limiting frame is hinged with the folding rack through a hinge, the right side surface of the right limiting frame is provided with the right limiting cylinder, an output shaft of the right limiting cylinder is connected with the right limiting frame through the right limiting rotary joint, the bottom of a cylinder body of the right limiting cylinder extends to the lower part of the folding rack and is connected with the bottom of the folding rack through the right limiting hinge, the right limiting frame is driven to turn along the hinge by driving the right limiting cylinder, the left pressing assembly is arranged on the left side of the folding rack and comprises a left pressing frame, a left pressing cylinder, a left pressing guide shaft and a left pressing slide block, the left pressing guide shaft is fixed below the folding rack, the left pressing guide shaft is in sliding connection with the left pressing frame through the left pressing slide block, the left pressing cylinder is arranged below the folding rack and fixedly connected with the folding rack, the output shaft of the left pressing cylinder is connected with the lower end of the left pressing frame, the upper end of the left pressing frame extends out of the upper part of the folding rack, the left pressing frame is driven by the left pressing cylinder to move left and right on the pressing rack, the front sides of the left pressing frame and the right limiting frame in the left pressing assembly are respectively provided with a left bottom plate folding assembly and a right bottom plate folding assembly, the left bottom plate folding assembly and the right bottom plate folding assembly are respectively composed of a folding frame, a folding cylinder and a folding push plate, the folding frame is respectively connected with the front sides of the left pressing frame and the right limiting frame and forms an angle of 30-60 degrees with the left pressing frame and the right limiting frame, the folding frame connected with the left pressing frame inclines towards the left side, and the folding frame connected with the right pressing frame inclines towards the right side, the folding frame is provided with a folding cylinder, the folding cylinder is connected with the folding frame, an output shaft of the folding cylinder is connected with the push plate, the folding cylinder extends out to drive the push plate to extend out so as to fold the left bottom plate and the right bottom plate, a supporting rod corresponding to the height of the carton and the position of the upper bottom plate of the carton is arranged at the front side of the folding rack, an upper bottom plate folding assembly is arranged on the supporting rod, a lower bottom plate folding assembly is arranged on the folding rack right below the upper bottom plate folding assembly, the upper bottom plate folding assembly and the lower bottom plate folding assembly respectively comprise a cylinder rotating support, a rotating cylinder, a rotating main shaft, a rotating support plate, a rotating shaft seat, a rotating connecting seat and a folding rod, the rotating cylinder is hinged with the support plate or the folding rack through the cylinder rotating support, an output shaft of the rotating cylinder is hinged with the rotating support plate through a rotating, the turning support plate is characterized in that turning shaft seats are respectively arranged below or above two ends of the turning support plate, a turning main shaft is connected between the turning shaft seats through a bearing, a turning connecting seat is sleeved on the turning main shaft and is respectively connected with the turning support plate and the support rod or the folding table frame, and the turning support plate is driven to rotate along the turning main shaft through a turning cylinder so as to drive the folding rod to rotate to realize the turning action of the upper bottom plate and the lower bottom plate.

2. A folding mechanism for a case unpacking machine as claimed in claim 1, wherein the front side of the folding rack is provided with a forward pushing assembly, the forward pushing assembly comprises a forward pushing cylinder, a forward pushing rotary fixing frame, a forward pushing rotary joint, a forward pushing frame, a forward pushing rotary shaft, a forward pushing shaft seat and a forward pushing connecting seat, the forward pushing cylinder 37 is hinged with the lower part of the folding rack 1 through the forward pushing rotary fixing frame 38, an output shaft of the forward pushing cylinder is connected with the forward pushing frame through the forward pushing rotary joint, two lower sides of the forward pushing frame are connected with the forward pushing connecting seat, the forward pushing connecting seat is connected with the forward pushing rotary shaft through a bearing, the forward pushing rotary shaft seat is sleeved on the forward pushing rotary shaft, the forward pushing shaft seat is connected with the folding rack, and the forward pushing frame is driven to rotate by the forward pushing cylinder to realize the compressing and positioning of the forward pushing frame on the lower bottom plate of the carton.

3. The folding mechanism of a case unpacking machine as claimed in claim 1, wherein the position of the lower bottom plate of the carton below the folding rack is provided with an adsorption component for adsorbing the lower bottom plate of the carton, the adsorption component comprises a suction cup, a support rod and an adsorption cylinder, the adsorption cylinder is arranged below the folding rack and connected with the folding rack, an output shaft of the adsorption cylinder is connected with the support rod, the upper end of the support rod is connected with the suction cup, the suction cup is connected with an air source through an air duct, the adsorption cylinder drives the support rod and the suction cup to move upwards to adsorb the lower bottom plate of the carton, and the adsorption cylinder moves the lower bottom plate of the carton downwards to fold and avoid the space for the left bottom plate and the right bottom plate of.

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