CN111169714A - Unpacking mechanism of unpacking machine - Google Patents

Abstract

The invention discloses a case unpacking mechanism of a case unpacking machine, which is characterized in that the position of each part of a material storage component is adjusted by adopting an electric driving mechanism; the carton opening assembly is provided with a plurality of movable suckers in the height direction, and after the position adjustment is realized by adopting an electric driving mechanism, the suckers in different length specifications are adsorbed correspondingly, the operation and the stop of the suckers in the height direction can be selected according to the specification of the carton, the cartons in different height specifications are adsorbed correspondingly, and the selection of the upper layer suckers for stopping the operation in the relatively smaller specification is facilitated; the height debugging of the rear push-up frame is realized through the electric driving mechanism, the carton pushing device is suitable for cartons with different height specifications, the push-up frame and the arc-shaped guide frame are enabled to stably push the cartons to discharge materials respectively above and below, and the problem of low efficiency caused by unstable pushing of higher cartons or manual mechanical debugging due to incapability of debugging in the prior art is solved; the invention improves the automation level on the whole and improves the efficiency of stopping and debugging when processing cartons with different specifications.

Description

Unpacking mechanism of unpacking machine

Technical Field

The invention relates to a case opening machine, in particular to a case opening mechanism of a case opening machine.

Background

The carton unpacking machine has the functions that the carton in the flat state is unfolded to be in the three-dimensional state, and the carton in the three-dimensional state continues to fold the lower cover. The opening above the carton which is opened by the carton opening machine is used for placing articles, and then the cover can be sealed by the carton sealing machine.

The box opening mechanism comprises a material storage assembly and a box opening assembly which are sequentially connected, the material storage assembly is used for storing the vertically stacked flat paper boxes, and the flat paper boxes are blocked by blocking pieces above and below the outlet of the material storage assembly; the box opening assembly reaches the outlet of the storage assembly through the suction disc to adsorb one surface of the paper box, the suction disc pulls the adsorption surface of the paper box away from the storage assembly when the suction disc is retracted, and the upper edge and the lower edge of the paper box are the edges of the turnover cover, so that the blocking of the blocking piece on the paper box can be released through slight turnover when the paper box is pulled away by the suction disc; the side face which is in the same plane with the adsorption face is blocked by the arc-shaped flange at the box opening assembly, and the adsorption face and the side face are guided to be opened in the process that the sucker is continuously retracted, so that the flat carton is opened to be in a three-dimensional state.

Because of the different carton specifications that will open, but storage component department deposit the case space and keep off the piece and all adopt horizontal adjustment and the structure of adjusting from top to bottom, but all adopt manual regulation's mode among the prior art, the user need set up the support that the mode operation lead screw of hand wheel comes the removal different positions through different positions, when the carton specification that needs carry out processing is changeable, the time cost that traditional case unpacking machine shut down the debugging is very much, greatly reduced production efficiency, and the carton specification is different, need correspond the different distance of debugging between each mechanism, also need the user to have good operation experience, the operation threshold has been improved, unskilled user's efficiency can further reduce, influence production efficiency, it makes mistakes and leads to the fact the case unpacking failure to go on probably in addition debugging. The suckers at the box opening assembly are arranged on the bracket through fasteners, and when cartons of different specifications are processed, a user is required to manually adjust the height and the left and right positions of the suckers, so that the debugging is complicated and time-consuming; after the carton is adsorbed by the sucking disc and targets in place, need rely on keeping off the piece at rear and release it, according to the difference of carton height, keep off the height that the piece also need adjust and guarantee the stability that the carton promoted, the height that has kept off the piece now either can not debug, or also need go the operation through user's manual, influence operating efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the case opening mechanism of the case opener, which reduces the debugging difficulty through the electric driving mechanism and can improve the debugging accuracy.

The invention provides the following technical scheme: the box opening mechanism of the box opening machine comprises a storage component and a box opening component which are sequentially connected, wherein the storage component comprises a lower storage support and an upper retaining frame, the lower storage support comprises a lower mounting frame, support frames positioned on two sides of the lower mounting frame and a rear baffle positioned between the support frames on the two sides, the support frames on the two sides are used for supporting two sides of a carton, a discharging space for storing the carton is formed along the direction of the support frames, and the rear baffle is arranged in the discharging space in a sliding mode through a rail and used for abutting against the front carton; the outlets of the supporting frames at the two sides are provided with lower blocking pieces for blocking the cartons; the upper baffle frame comprises an upper mounting frame, upper baffle pieces positioned on two sides of the upper mounting frame and a middle supporting piece positioned between the upper baffle pieces on the two sides; the lower material storage bracket and the upper blocking bracket respectively adjust the upper position and the lower position through a first electric driving mechanism and a second electric driving mechanism; the supporting frame on one side is fixedly arranged, and the supporting frame on the other side is used for adjusting the horizontal position through a third electric driving mechanism; the upper baffle piece on one side corresponding to the fixedly arranged support frame is fixedly arranged, the upper baffle piece on the other side is used for adjusting the horizontal position through a fourth electric driving mechanism, and the middle support piece is used for adjusting the horizontal position through a fifth electric driving mechanism; the unpacking subassembly includes the mount, set up the translation frame that can carry out front and back horizontal migration on the mount, set up the fender frame that can carry out left and right horizontal migration on the mount, set up the sucking disc group on the translation frame, be provided with the arc guide frame that is located the lower part on keeping off the frame, be located the push-up frame on upper portion and be used for driving arc guide frame and push-up frame and control horizontal migration's drive assembly about going on, sucking disc group includes a plurality of movable sucking discs that set up on the direction of height, horizontal migration about a plurality of movable sucking discs carry out on the translation frame through sixth electric drive mechanism, the push-up frame can be through setting up on keeping off the frame of seventh electric drive mechanism activity from top to bottom.

As an improvement, a plurality of sequentially arranged sucker sensors are arranged in the moving direction of the movable sucker, and when the sequentially arranged sucker sensors sense that the movable sucker reaches the position of the movable sucker, a feedback signal controls the number of the movable sucker starting to work from bottom to top.

As an improvement, the sucker group further comprises a plurality of fixed suckers arranged in the height direction, the number and arrangement of the fixed suckers correspond to those of the movable suckers, when the movable suckers are sensed by the sucker sensors arranged in sequence to the activity of the fixed suckers, the movable suckers are closer to the fixed suckers, and the number of the fixed suckers and the movable suckers started to work from bottom to top is reduced under the control of a feedback signal.

As an improvement, the movable suckers and the fixed suckers are three groups of upper, middle and lower groups arranged in the height direction, the sucker sensors are three in sequence, and the movable suckers are provided with three stopping positions in the horizontal direction; when the movable sucker is closest to the fixed sucker, the movable sucker corresponds to the first sucker sensor, and a group of fixed suckers and movable suckers below the fixed sucker and the movable sucker are controlled to work by feedback signals; when the movable sucking disc and the fixed sucking disc are positioned at the middle distance, the two groups of fixed sucking discs and the movable sucking disc below the fixed sucking disc in the feedback signal control work corresponding to the second sucking disc sensor; when the movable sucker is farthest away from the fixed sucker, the movable sucker corresponds to a third sucker sensor, and the feedback signals control three groups of fixed suckers and movable suckers in the upper, middle and lower parts to work.

As an improvement, the movable sucker and the fixed sucker are respectively arranged on a mounting plate, the rear parts of the two mounting plates are respectively provided with a sliding block, the sliding blocks can be horizontally arranged on a guide rod of the translation frame in a moving way, and the mounting plate where the movable sucker is arranged is connected with an electric driving mechanism; the sliding block where the fixed sucker is located is positioned on the guide rod in a debugging mode.

As an improvement, the movable suckers and the fixed suckers are arranged in a straight line in the height direction.

As an improvement, the device further comprises an electromagnetic valve, the sixth electric driving mechanism is an air cylinder, a plurality of magnetic control switches are arranged on the stroke of the air cylinder, and when the electromagnetic valve feeds back signals to the magnetic control switches at different positions, the air cylinder stops stopping the movable sucker to stay at the corresponding position; the seventh electric driving mechanism is an air cylinder, a plurality of magnetic control switches are arranged on the stroke of the air cylinder, and when the electromagnetic valve feeds back signals to the magnetic control switches at different positions, the air cylinder stops stopping the pushing frame at the corresponding position.

As an improvement, the arc-shaped guide frame comprises a straight plate and an arc-shaped plate which are sequentially connected and are in a vertical plate shape, the straight plate is perpendicular to the moving direction of the straight plate and is used for abutting against a carton to be pushed, and the arc-shaped plate is outwards bent relative to the sucker group to form a shape which is used for abutting against the carton to be turned and folded for forming; the push-up frame is a sheet straight plate, and the far end of the push-up frame is provided with an arc-shaped guide angle for guiding the carton.

As an improvement, the fourth electric driving mechanism drives the movable upper stopper to adjust the horizontal position through a fourth screw rod, and the fifth electric driving mechanism drives the middle stopper to adjust the horizontal position through a fifth screw rod; and the two ends of the upper mounting frame corresponding to the fourth screw rod are provided with fourth sensors for detecting the movable upper baffle horizontal movement limit position, and the two ends of the upper mounting frame corresponding to the fifth screw rod are provided with fifth sensors for detecting the middle baffle horizontal movement limit position.

As a modification, a fourth electric driving mechanism and a fifth electric driving mechanism are respectively provided on both sides of the upper mounting frame, a fourth lead screw and a fifth lead screw respectively extend from the left and right sides of the upper mounting frame to the other side and both have overlapping portions in the length direction, a fourth sensor and a fifth sensor are located above the fourth lead screw and the fifth lead screw and both are different in height when arranged, the movable upper stopper and the middle stopper are respectively provided with a fourth extending plate and a fifth extending plate which respectively sense the fourth sensor and the fifth sensor, the fourth extending plate and the fifth extending plate are arranged corresponding to the height of the fourth sensor and the height of the fifth sensor, so that the extending plate at the lower part can not sense the sensor at the higher part when the overlapping part moves, meanwhile, the sensor positioned at the high position and the extension plate are arranged far away, so that the extension plate positioned at the high position cannot sense the sensor at the low position due to the long distance when the overlapping part moves.

As an improvement, the first electric driving mechanism, the second electric driving mechanism, the third electric driving mechanism, the fourth electric driving mechanism and the fifth electric driving mechanism are motors, the motors are connected with a coding wheel, a plurality of uniform tooth openings are formed in the coding wheel, a sixth sensor is arranged corresponding to the tooth openings in the coding wheel and used for detecting the rotation condition of the coding wheel, and the sixth sensor senses to determine the rotation number and the angle of the coding wheel when passing through the tooth openings.

As an improvement, the third electric driving mechanism drives the movable support frame to adjust the horizontal position through the third screw rod, and the two ends of the lower mounting frame corresponding to the third screw rod are provided with third sensors for detecting the horizontal movement limit position of the movable support frame.

As an improvement, the support frame is the slope setting with the track of arranging the backplate, and the backplate relies on the dead weight to the export slide contradict the carton.

As an improvement, the upper blocking piece and the lower blocking piece are cylinders and are flatly arranged and abut against and limit the upper edge and the lower edge of the carton by means of the side walls.

As an improvement, the middle abutting piece is a cone, and the head of the middle abutting piece is downwards arranged to abut against the upper edge of the carton.

As an improvement, a first electric driving mechanism drives a lower storage bracket to adjust the upper and lower positions through a first screw rod, and a first sensor for detecting the up-and-down movement limit position of the lower storage bracket is arranged at the upper and lower ends of the first screw rod; the second electric driving mechanism drives the upper blocking frame to adjust the upper and lower positions through a second screw rod, and a second sensor used for detecting the up-and-down movement limit position of the upper blocking frame is arranged at the upper and lower ends of the second screw rod.

The invention has the beneficial effects that: the storage assembly can block and limit the edges of the carton reaching the outlet end through the arrangement of the upper blocking piece and the lower blocking piece on the upper side and the lower side, the middle blocking piece on the upper side is abutted against the middle part, after the carton is adsorbed and pulled out by the sucker group, the upper blocking piece and the lower blocking piece can not continue to limit the carton after the two sides are folded into a three-dimensional structure due to the structure of the carton, the adsorption surface on the upper part of the carton is sucked out and passes through the middle blocking piece, and the front of the carton which is not adsorbed can continue to be abutted by the middle blocking piece, so that the three-dimensional forming of the carton is assisted to; the position adjustment of each part of the storage assembly is realized by adopting the electric driving mechanism, the input and the debugging of the size to be debugged can be carried out by a user through the programmable controller, each part is adjusted in place by the electric driving mechanism, the problems that the manual operation difficulty of the original user is higher, the time is longer, the debugging is inaccurate and the like are solved, and the automation level and the debugging efficiency when different specifications of cartons are processed are improved.

The carton opening assembly is provided with a plurality of movable suckers in the height direction, after the carton opening assembly is subjected to position adjustment by adopting an electric driving mechanism, one side of the carton can be well adsorbed corresponding to cartons with different length specifications, the suckers with different heights in the height direction can be selected to work and stop according to the specifications of the cartons, the cartons with different heights can be correspondingly adsorbed, the upper layer of the suckers can be selected to stop working according to relatively smaller specifications, and the problem of low efficiency caused by original manual mechanical debugging is integrally solved; the height adjustment of the rear push-up frame is realized through the electric driving mechanism, the carton box with different height specifications is adapted, the push-up frame and the arc guide frame are enabled to stably push the carton box discharging materials respectively above and below, the problem that the efficiency is low due to unstable pushing of a higher carton box or manual mechanical adjustment caused by incapability of adjustment is solved, the automation level is integrally improved, and the efficiency of shutdown adjustment during processing of cartons with different specifications is improved.

Drawings

Fig. 1 is a schematic perspective view of a case unpacking machine according to the present invention.

Fig. 2 is a schematic perspective view of the first box opening assembly of the present invention.

Fig. 3 is a schematic perspective view of the second opening assembly of the present invention.

Fig. 4 is a schematic perspective view of the magazine assembly according to the first embodiment of the present invention.

Fig. 5 is a schematic perspective view of the magazine assembly according to the second embodiment of the present invention.

Fig. 6 is a schematic three-dimensional structure of the magazine assembly of the present invention.

Fig. 7 is an enlarged view at M in fig. 6.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the present invention is a specific embodiment of the case unpacking mechanism of the case unpacking machine. The embodiment comprises a storage assembly A and a box opening assembly B which are connected in sequence, wherein the storage assembly A comprises a lower storage bracket A1 and an upper baffle bracket A2, the lower storage bracket A1 comprises a lower mounting bracket A10, support brackets A11 positioned on two sides of the lower mounting bracket A10 and a rear baffle A12 positioned between the support brackets A11 on two sides, the support brackets A11 on two sides are used for supporting two sides of a carton, and a discharging space for storing the carton is formed along the direction of the support brackets A11, and the rear baffle A12 is arranged in the discharging space in a sliding mode through a rail and used for abutting against the carton in front; the outlets of the two side supporting frames A11 are provided with a lower baffle A13 for blocking the carton; the upper baffle frame A2 comprises an upper mounting frame A20, upper baffles A21 positioned at two sides of the upper mounting frame A20 and a middle baffle A22 positioned between the upper baffles A21 at two sides; the lower storage rack A1 and the upper baffle rack A2 are respectively regulated in the up-down position through a first electric driving mechanism A01 and a second electric driving mechanism A02; the supporting frame A11 on one side is fixedly arranged, and the supporting frame A11 on the other side adjusts the horizontal position through a third electric driving mechanism A03; the upper stopper A21 on one side corresponding to the fixedly arranged support frame A11 is fixedly arranged, the upper stopper A21 on the other side is used for adjusting the horizontal position through the fourth electric driving mechanism A04, and the middle abutting part A22 is used for adjusting the horizontal position through the fifth electric driving mechanism A05; the box opening assembly B comprises a fixing frame B1, a translation frame B2 which is arranged on a fixing frame B1 and can horizontally move back and forth, a blocking frame B5 which is arranged on a fixing frame B1 and can horizontally move left and right, a sucker group B3 is arranged on the translation frame B2, an arc-shaped guide frame B51 which is positioned at the lower part is arranged on the blocking frame B5, an upper pushing frame B52 which is positioned at the upper part and a driving part which is used for driving the arc-shaped guide frame B51 and the upper pushing frame B52 to horizontally move left and right, the sucker group B3 comprises a plurality of movable suckers B31 which are arranged in the height direction, the movable suckers B31 horizontally move left and right on the translation frame B2 through a sixth electric driving mechanism B41, and the upper pushing frame B52 is movably arranged on the blocking frame B5 up and down through a seventh electric driving mechanism B42.

When the box unpacking machine is used, as shown in figure 1, the box unpacking machine comprises a material storage component A, a box unpacking component B and a box sealing component C, wherein the material storage component A, the box unpacking component B and the box sealing component C are sequentially arranged and form L-shaped distribution; a flat carton is placed at the storage component A, after the suction disc group B3 at the unpacking component B moves to the outlet of the storage component A to adsorb the carton, in the process of withdrawing the suction disc group B3, the arc guide frame B51 positioned at the side edge blocks one side of the carton and guides one side wall of the carton to be folded when the carton is continuously withdrawn, so that the flat carton is gradually opened to be in a three-dimensional shape, and the stop position of the carton corresponds to the inlet end of the carton sealing component C; the folding mechanism is arranged below the stop position, front and rear folding plates of the folding mechanism are folded to turn front and rear covers below the carton to be close to the horizontal level, left and right folding plates are folded to turn left and right covers below the carton to be close to the horizontal level, the folding mechanism also plays a role in supporting the lower portion of the carton after being folded, then the suction cup group B3 relieves adsorption on the carton, the carton is pushed to the box sealing component C by means of the arc-shaped guide frame B51 and the push-up frame B52 at the rear portion, and the box sealing component C completes lower cover adhesive tape sealing of the carton and outputs the lower cover adhesive tape sealing.

As shown in fig. 1, 4, 5 and 6, the lower magazine rack a1 of the magazine assembly a adjusts the vertical position through a first electric driving mechanism a01, specifically, the lower mounting rack a10 is arranged on a vertical guide rod in a vertically slidable manner, and the first electric driving mechanism a01 drives a first screw rod a011 and a slider structure on the lower mounting rack a10 to move, so as to meet the arrangement requirements below cartons of different specifications; the support frame A11 on the two sides of the lower mounting rack A10 is L-shaped in section, the carton is limited on the two sides, the rear baffle A12 is arranged on the track to slide back and forth, the rear part of the rear baffle A is abutted against the carton to push the carton to the outlet, and the lower baffles A13 are used for stopping the lower edges of the two sides of the carton on the two sides. Support frame A11 of fixed setting is close to joint sealing subassembly C, make the position of carton and joint sealing subassembly C remain unchanged all the time, the support frame A11 of opposite side carries out horizontal position's regulation through third electric drive mechanism A03, satisfy the needs of placing of different specification cartons, the setting that specifically support frame A11 can slide about can be on horizontal guide arm, slide block structure on driving third lead screw A031 and support frame A11 through third electric drive mechanism A03 moves about. Go up and keep off frame A2 and carry out the regulation of position from top to bottom through second electric drive mechanism A02, the setting that goes up mounting bracket A20 and can slide from top to bottom is on vertical guide arm specifically, drives the slider structure on second lead screw A021 and the last mounting bracket A20 through second electric drive mechanism A02 and moves about, satisfies the top of different specification cartons and arranges the needs. The upper stopper A21 fixedly arranged is close to the box sealing component C, and can be kept consistent with the lower stopper A13 on the fixed support frame A11, the upper stopper A21 on the other side can adjust the horizontal position through the fourth electric driving mechanism A04, the upper stopper A21 can stop the upper edges of two sides of the carton on two sides, the horizontal position limiting requirements of cartons with different specifications are met, the upper stopper A21 can be arranged on a horizontal guide rod in a left-right sliding mode, and the fourth screw rod A041 and a slider structure on the upper stopper A21 are driven to move through the fourth electric driving mechanism A04. The piece A22 is supported in being located the middle part comes the debugging through the activity and is close the preceding middle part of carton in its position when the carton that corresponds different specifications, it is spacing to carry out certain conflict to the front when unpacking subassembly B's sucking disc group B3 adsorbs the carton and withdraws, the folding of supplementary completion carton is opened and is the spatial regime, support the setting that piece A22 can slide about specifically on horizontal guide, drive the slider structure that fifth lead screw A051 and support on the piece A22 in through fifth electric drive mechanism A05 and move about. The position adjustment of each part is realized by adopting the electric driving mechanism, the input and the debugging of the size to be debugged can be carried out by a user through the programmable controller, each part is adjusted in place by the electric driving mechanism, the problems that the manual operation difficulty of the original user is higher, the time is longer, the debugging is inaccurate and the like are solved, and the automation level and the debugging efficiency in the process of processing cartons with different specifications are improved.

As shown in fig. 1, 2 and 3, the translation frame B2 is moved and adjusted in a front-back horizontal position by a motor, specifically, the translation frame B2 is slidably arranged on guide rods or/and slide rails horizontally arranged in a front-back direction, and a screw rod is driven by the motor to move with a slider structure on the translation frame B2, so that the suction cup group B3 can move to an outlet of the storage component a, and the suction cup group B3 works to adsorb the rear of a carton; the blocking frame B5 can move and adjust left and right horizontal positions through a motor, particularly, the blocking frame B5 can slide left and right and is arranged on guide rods or/and slide rails which are horizontally arranged left and right, a screw rod and a slide block structure on the blocking frame B5 are driven by the motor to move, the blocking frame B5 is debugged to a position suitable for the sucker group B3, the arc-shaped guide frame B51 and the upward pushing frame B52 are enabled to correspond to the rear edge position of the carton, and therefore the side face of the carton can be accurately guided and limited to be folded and formed when the carton is folded to a three-dimensional state; when the translation rack B2 is reset backwards, the arc guide rack B51 blocks one side face of the carton in the process, the side face and the back face of the carton are folded by means of the arc guide rack B51, and finally the carton is formed into a three-dimensional state under the guidance and the limit of the arc guide rack B51 and the push-up rack B52; when the lower cover of the carton is completely turned by the turnover mechanism, the driving part on the baffle frame B5 can be a cylinder which drives the arc-shaped guide frame B51 and the upper pushing frame B52 to push forwards to send the carton to the carton sealing assembly C; the driving component arranged on the blocking frame B is an air cylinder, an air cylinder shaft of the air cylinder is connected with a support, and an arc-shaped guide frame B51 and an upward pushing frame B52 are arranged on the support so as to realize that the air cylinder stably drives the arc-shaped guide frame B51 and the upward pushing frame B52 to move. According to the different specifications of the paper boxes, a user can input and debug the required debugging size through the programmable controller, the first electric driving mechanism B41 debugs the movable sucker B31 to the specified horizontal position to correspond to the size of the paper box, the paper boxes with different lengths and specifications can be well adsorbed on one side, the movable sucker B31 can be debugged to be started or stopped at different heights to correspondingly adsorb the paper boxes with different heights and specifications, and the problem of low efficiency caused by manual and mechanical debugging of the original sucker is integrally solved in the mode. On the other hand, the height adjustment of the rear pushing frame B52 is realized through the second electric driving mechanism B42, the carton pushing device is suitable for cartons with different height specifications, the pushing frame B52 and the arc-shaped guide frame B51 are enabled to stably push the cartons to be discharged from the upper side and the lower side respectively, and the problem that the efficiency is low due to unstable pushing of the higher cartons or manual and mechanical adjustment caused by the prior untrusty adjustment is solved. The invention integrally overcomes the problems of higher manual operation difficulty, longer time consumption, possible inaccurate debugging and the like of the original user, improves the automation level and improves the efficiency of shutdown debugging when processing cartons with different specifications.

As an improved specific implementation mode, a plurality of sequentially arranged sucker sensors are arranged in the moving direction of the movable sucker B31, and when the sequentially arranged sucker sensors sense that the movable sucker B31 reaches the position of the movable sucker B31, a feedback signal controls the number of the operations of the movable sucker B31, which are started from bottom to top.

In this embodiment, the suction cup sensor is not shown in the drawings, and may be provided on the side to sense the horizontal movement of the movable suction cup B31. A plurality of sucker sensors (namely sensors for detecting the suckers) are arranged at the movable positions of the movable suckers B31, when the movable sucker B31 reaches a position corresponding to a certain sucker sensor, the corresponding position is a small, medium or large carton, and a feedback signal corresponding to the sucker sensor signals the movable sucker B31 to selectively work, namely, the lower layer and the middle layer or the lower, middle and upper layers work; if the carton with the smaller specification is processed correspondingly at present, the movable suction cup B31 at the lowest layer is used, the suction cup sensor senses that the position where the movable suction cup B31 stays corresponds to the position for adsorbing the carton with the smaller specification, a signal can be fed back to only enable the movable suction cup B31 at the lowest layer to work, and the other movable suction cups B31 do not work; similarly, when the medium-sized carton is processed, the lower layer and the middle layer movable suckers B31 are used; when a large-sized carton is processed, the lower layer, the middle layer and the upper layer of movable suckers B31 are used; the flexible selection is realized, the debugging height is simpler and more convenient after the original arrangement of the suckers, the movable suckers B31 with different numbers can be better used corresponding to different specifications, the problem of low efficiency caused by manual and mechanical debugging of the original suckers is better solved in such a mode, and the movable suckers on the upper part are stopped according to the specifications, so that the energy consumption is reduced. The suction cup sensor may preferably be a proximity switch or other prior art sensor type selected to sense the arrival of an object.

As an improved specific implementation manner, the suction cup group B3 further includes a plurality of fixed suction cups B32 arranged in the height direction, the number and arrangement of the fixed suction cups B32 are arranged corresponding to those of the movable suction cups B31, and when the movable suction cups B31 move towards the fixed suction cups B32 and are sensed by the suction cup sensors arranged in sequence, the closer the movable suction cups B31 are to the fixed suction cups B32, the smaller the number of the starting operations of the fixed suction cups B32 and the movable suction cups B31 from bottom to top is controlled by feedback signals.

As shown in fig. 2 and 3, the movable suction cup B31 is used in cooperation with the fixed suction cup B32; when the invention is implemented, the function can be realized only by adopting the movable suction cup B31, for example, at least two groups of left and right movable suction cups B31 are adopted, and the six electric driving mechanisms B41 are used for enabling the two groups of movable suction cups B31 to approach and separate, so that the length specification can be adjusted. And under deciding sucking disc B32 and activity sucking disc B31 complex embodiment, can reduce the complexity that the structure set up, can set up deciding sucking disc B32 in the one side that is close to joint sealing subassembly C promptly, be close to and keep away from deciding sucking disc B32 debugging absorbent length specification through activity sucking disc B31, the degree of difficulty that the structure set up can be simplified greatly under this kind of embodiment, support frame A11 one side that corresponding storage component A department set up is fixed, the carton is placed to opposite side adjustment width. In practice, the movable suction cups B31 and the fixed suction cups B32 at the same height position can be started or stopped synchronously to meet the use requirements of the cartons with different height specifications.

As an improved specific implementation mode, the movable suction cup B31 and the fixed suction cup B32 are three groups which are arranged in the height direction, the suction cup sensors are three in sequence, and the movable suction cup B31 has three stopping positions in the horizontal direction; when the movable sucking disc B31 is closest to the fixed sucking disc B32, corresponding to the first sucking disc sensor, a group of fixed sucking discs B32 and movable sucking discs B31 below are controlled to work by feedback signals; when the movable sucking disc B31 and the fixed sucking disc B32 are positioned at the middle distance, the two groups of fixed sucking discs B32 and movable sucking discs B31 below the movable sucking disc B31 and the fixed sucking disc B32 work under the control of feedback signals corresponding to the second sucking disc sensor; when the movable sucking disc B31 is farthest away from the fixed sucking disc B32, corresponding to the third sucking disc sensor, the feedback signal controls the three groups of fixed sucking discs B32 and movable sucking discs B31 which are arranged at the upper, middle and lower parts to work.

As shown in fig. 2 and 3, the specific embodiment is as described above, and as a preferable scheme, a smaller-sized carton is processed, a suction cup sensor on the left senses and feeds back a signal, a group of movable suction cups B31 and a group of fixed suction cups B32 on the lower part are adjusted to start to work, and the other groups of movable suction cups and the fixed suction cups are stopped to work; when the medium-sized carton is processed, the sucking disc sensor in the middle senses and feeds back signals, the lower and middle groups of movable sucking discs B31 and fixed sucking discs B32 are used for starting work, and the other groups of movable sucking discs stop work; when processing big specification carton, the sucking disc sensor response and the feedback signal on right use middle and upper three group down to work. The upper group and the lower group are oppositely arranged, so that the adaptability of the mechanism to the carton box is possibly reduced; four groups and more cases are arranged relatively, the adaptability is better, but the overall cost of the mechanism is increased; therefore, the upper group, the middle group and the lower group are selected for arrangement, and adaptability and cost are balanced.

As an improved specific embodiment, the movable suction cup B31 and the fixed suction cup B32 are respectively installed on a mounting plate B6, the rear parts of the two mounting plates B6 are respectively provided with a sliding block B61, the sliding block B61 is horizontally movably arranged on a guide rod B62 of a translation frame B2, and a mounting plate B6 where the movable suction cup B31 is located is connected with an electric driving mechanism B30; the slide block B61 with the fixed suction cup B32 is adjustably positioned on the guide rod B62.

As shown in fig. 2 and 3, the lower slider B61 of this embodiment can slide smoothly on the guide rod B62, the position of the fixed suction cup B32 can be adjusted, and the fixed suction cup is positioned on the guide rod B62 by the fastener after debugging is completed, so that the relative position of the suction cup group B3 can be flexibly debugged according to different carton specifications; on the other hand, the position of the movable suction cup B31 is limited by a sixth electric driving mechanism B41; the movable suction cups B31 and the fixed suction cups B32 are respectively arranged on the mounting plates B6, so that the mounting plates B6 and the sliding blocks B61 can be assembled conveniently through fasteners, and structural integration is realized.

As a modified embodiment, the movable suction cup B31 and the fixed suction cup B32 are arranged in a straight line in the height direction.

As shown in fig. 2 and 3, the structure of the embodiment is neat, the carton box can be well adsorbed, the processing of parts is convenient, and the air pipes connected with the suction cup group B3 are conveniently and uniformly arranged.

As an improved specific implementation manner, the device further comprises an electromagnetic valve, the sixth electric driving mechanism B41 is an air cylinder, a plurality of magnetic switches are arranged on the stroke of the air cylinder, and when the electromagnetic valve feeds back signals to the magnetic switches at different positions, the air cylinder stops stopping the movable suction cup B31 at the corresponding position; the seventh electric driving mechanism B42 is a cylinder, a plurality of magnetic switches are arranged on the stroke of the cylinder, and when the electromagnetic valve feeds back signals to the magnetic switches at different positions, the cylinder stops to stop the push-up frame B52 at the corresponding position.

The embodiment is not shown in the figure, the magnetic control switch and the electromagnetic valve can be realized by adopting the prior art, and particularly, the magnetic control switch is arranged in the length direction of the cylinder shell, acts on the cylinder shaft, can drive the cylinder shaft to stop at a plurality of specified positions, and meets the debugging requirements of a plurality of positions of the movable sucking disc B31 and the push-up frame B52; preferably, three magnetic control switches can be selected, and the length and height specifications of the paper box in three large, medium and small intervals can be adapted to the left, middle and right debugging positions of the movable suction cup B31 and the upper, middle and lower debugging positions of the push-up frame B52. In specific implementation, the programmable controller can be used for inputting the size to be debugged, the air cylinder can be used for correspondingly debugging actions, and when the specified position is reached, the electromagnetic valve can control the magnetic control switch to work to stop the air cylinder, so that the movable suction cup B31 and the push-up frame B52 can be stopped at the accurate position.

As an improved specific embodiment, the arc-shaped guide frame B51 comprises a straight plate B511 and an arc-shaped plate B512 which are connected in sequence and are in a vertical plate shape, the straight plate B511 is perpendicular to the moving direction of the straight plate B511 and used for pushing against the carton, and the arc-shaped plate B512 is bent outwards relative to the suction cup group B3 and used for pushing against the carton to be folded and formed; the push-up shelf B52 is a straight sheet-like plate provided with an arc-shaped lead angle B521 at its distal end for guiding the carton.

As shown in fig. 1, 2 and 3, the arc-shaped plate B512 is arranged at the opposite front part and is used for meeting and blocking the side surface of the carton, and by means of the continuous resetting of the suction cup group B3, the arc-shaped plate B512 guides the side surface of the carton to be folded relative to the rear part, and when the position of the straight plate B511 is reached, the side surface is blocked and tends to be vertical to the rear part, so that the carton is well formed into a three-dimensional state. The curved lead angle B521 on the push-up shelf B52 also provides a guide for the carton above. The arc-shaped plate B512 extends far relative to the push-up frame B52 to guide the carton, the side positions of the push-up frame B52 and the straight plate B511 correspond to form a plane for pushing the carton, the carton is pushed more stably by the push of the upper position and the lower position, the push mode is more favorable for processing relative to a large panel, and the smoothness of the push plane is ensured.

As an improved specific embodiment, the fourth electric driving mechanism a04 drives the movable upper stopper a21 to adjust the horizontal position through a fourth lead screw a041, and the fifth electric driving mechanism a05 drives the middle stopper a22 to adjust the horizontal position through a fifth lead screw a 051; and a fourth sensor A042 for detecting the horizontal movement limit position of the movable upper stopper A21 is arranged at two ends of the upper mounting rack A20 corresponding to the fourth screw rod A041, and a fifth sensor A052 for detecting the horizontal movement limit position of the middle stopper A22 is arranged at two ends of the upper mounting rack A20 corresponding to the fifth screw rod A051.

As shown in fig. 6 and 7, the upper stopper a21 and the middle stopper a22 are specifically disposed on a slider structure, and the slider structure is respectively disposed in cooperation with the fourth lead screw a041 and the fifth lead screw a 051; on the premise of automatic driving, in order to avoid misoperation of a user on the electric driving mechanism, if an overlarge debugging size is input by mistake through a programmable controller (for example, numbers are input by multiple points under misoperation), structurally, the slide block structure can advance to the limit positions at two ends to cause structural collision, errors of slide block structure movement can occur if parts are damaged, or the parts need to be replaced to increase the downtime and the maintenance cost, so that the fourth sensors A042 are arranged at two ends of the fourth lead screw A041, the fifth sensors A052 are arranged at two ends of the fifth lead screw A051, when the upper stopper A21 and the middle stopper A22 reach the limit positions, the sensors can feed back signals to stop the electric driving mechanism, and the parts are prevented from being damaged due to excessive advancing. The fourth sensor a042 and the fifth sensor a052 may preferably be proximity switches, or other prior art sensor types selected to sense the arrival of an object.

As a modified embodiment, the fourth electric driving mechanism a04 and the fifth electric driving mechanism a05 are respectively arranged at two sides of the upper mounting rack a20, the fourth lead screw a041 and the fifth lead screw a051 respectively extend from the left and right sides of the upper mounting rack a20 to the other side and have an overlapping part in the length direction, the fourth sensor a042 and the fifth sensor a052 are arranged above the fourth lead screw a041 and the fifth lead screw a051 and are different in height when arranged, the movable upper stopper a21 and the middle stopper a22 are respectively provided with a fourth extending plate a043 and a fifth extending plate a053 which respectively sense the fourth sensor a042 and the fifth sensor a052, the fourth extending plate a043 and the fifth extending plate a053 are arranged corresponding to the height of the fourth sensor a042 and the fifth sensor a052, the extending plate at the lower position does not sense the sensor at the overlapping part when moving, and the sensor at the upper position and the extending plate at the higher position are arranged farther, the sensor at the lower position can not be sensed due to the longer distance when the extension board at the higher position moves at the overlapping part.

As shown in fig. 6 and 7, the above specific modes are further provided to improve the space utilization and reduce the mutual interference in the structure. Firstly, the fourth electric driving mechanism A04 and the fifth electric driving mechanism A05 are respectively arranged at two sides of the upper mounting frame A20, so that the fourth electric driving mechanism A04, the fifth electric driving mechanism A05 and the transmission structure can be reasonably arranged in space at two sides without interfering with each other; the fourth screw rod A041 and the fifth screw rod A051 respectively extend from the left side and the right side of the upper mounting rack A20 to the other side, and the fourth screw rod A041 and the fifth screw rod A051 have overlapping parts in the length direction, as shown in the figure, the two screw rods are positioned in the front and the rear of the same horizontal position in space, and a reasonable cavity or abdication is arranged on a slide block structure specifically arranged by the upper stopper A21 and the middle stopper A22, so that the interference generated when the upper stopper A041 and the middle stopper A39; the overlapping portion means that the fourth lead screw a041 and the fifth lead screw a051 are crossed with each other by a section, namely, a position marked by Z in fig. 7, the movable upper stopper a21 can move on the fourth lead screw a041 to a position closer to the fixed upper stopper a21 by the overlapping portion in the axial direction, so that a carton with smaller specification can be limited, meanwhile, the middle stopper a22 can move on the fifth lead screw a051 to a position farther from the fixed upper stopper a21, so that the middle part of the rear surface of the carton with larger specification can be reached, and the limitation of the carton with larger specification can be adapted on the basis of saving space by intensively arranging the lead screw structure. To avoid that the arranged fourth and fifth sensors a042 and a052 interfere with each other when the overlapping portion senses the upper stopper a21 and the middle stopper a22, a fourth and fifth extension plates a043 and a fifth extension plate a053 are further provided and the height and proximity relationship between both and the fourth and fifth sensors a042 and a052, i.e. as in the embodiment of the figure, the left and right fourth sensors a042 are arranged higher than the fifth sensor a052, the corresponding fourth extension plate a043 extends higher, the fifth extension plate a053 extends lower, and like the fifth extension plate a053 is not sensed by the fourth sensor a042 because of its height when passing the fourth sensor a042 at the overlapping portion; on the other hand, the fourth sensor a042 and the fourth extension board a043 are arranged far away, so that the fourth sensor a042 can sense the fourth extension board a043, and the fourth extension board a043 cannot be sensed by the fifth sensor a052 due to the relatively far distance when passing through the fifth sensor a052 at the overlapping part; therefore, mutual interference between the sensor and the extension plate at the overlapping part can be avoided, and position translation and sensor induction in a compact space can be guaranteed.

As an improved specific embodiment, the first electric driving mechanism a01, the second electric driving mechanism a02, the third electric driving mechanism a03, the fourth electric driving mechanism a04 and the fifth electric driving mechanism a05 are all motors, the motors are connected with the encoding wheel A3, a plurality of uniform tooth openings a31 are arranged on the encoding wheel A3, a sixth sensor a32 is arranged corresponding to the tooth openings a31 on the encoding wheel A3, the sixth sensor a32 is used for detecting the rotation condition of the encoding wheel A3, and the sixth sensor a32 senses and determines the rotation number and the rotation angle of the encoding wheel A3 when the encoding wheel passes through the tooth openings a 31.

As shown in FIG. 7, the electric driving mechanisms and the screw rods adopt the structure to realize debugging accuracy. The electric driving mechanism adopts a motor, preferably a brake motor with lower price than the brake motor, so that the overall manufacturing cost is reduced; specifically, after the encoding wheel A3 is adopted, the encoding wheel A3 can be matched with the rotation angle of the motor and the rotation angle of the screw rod by the rotation angle of the encoding wheel A3 according to the debugging size input by the programmable controller, and accurate distance adjustment of each component can be accurately carried out; the encoding wheel A3 is provided with a plurality of uniform tooth openings A31, for example, as the tooth blocks and the tooth openings A31 which are divided into four parts are specifically arranged in the figure, every time the encoding wheel A3 rotates 90 degrees, the sixth sensor A32 corresponds to the tooth opening A31, so that the sixth sensor A32 can accurately feed back the rotation number and the rotation angle of the encoding wheel A3, or the rotation number and the rotation angle of the encoding wheel A3 can be well controlled by the cooperation of the sixth sensor A32 and a programmable controller, the distance which can be driven by the motor and the screw rod to move when the rotation angle is set during design, and the accurate control of distance adjustment is realized. The sixth sensor a32 may be selected from the prior art sensor types that sense the arrival of an object.

As an improved specific embodiment, the third electric driving mechanism a03 drives the movable supporting frame a11 to adjust the horizontal position through the third lead screw a031, and the lower mounting bracket a10 is provided with a third sensor a032 for detecting the horizontal movement limit position of the movable supporting frame a11 corresponding to the two ends of the third lead screw a 031.

As shown in fig. 4 and 5, the movable support frame a11 is specifically arranged on a slider structure, and the slider structure is arranged in cooperation with the third lead screw a031, and can also be arranged in cooperation with the guide rod as described above; under automatic drive's prerequisite, for avoiding the user to third electric drive mechanism A03's maloperation, if input too big debugging size (like the multiple spot digit under the maloperation) through programmable controller mistake, structurally like the slider structure can advance the extreme position at both ends, cause structural colliding with, the error of slider structure activity can appear if damage spare part, or need to change and increase down time and maintenance cost, so set up third sensor A032 at the both ends of third lead screw A031, can be sensed by the sensor when support frame A11 reachs extreme position, the sensor can the feedback signal go to stop electric drive mechanism, avoid advancing excessively and cause the spare part damage. The third sensor a032 may preferably be a proximity switch or other prior art sensor type selected to sense the arrival of an object.

As a modified embodiment, the supporting frame A11 and the track for arranging the rear baffle A12 are arranged obliquely, and the rear baffle A12 slides towards the outlet by means of self weight to interfere with the carton.

As shown in fig. 1, 4, 5 and 6, the embodiment herein employs the inclined support frame a11 and the rear flap a12, and both the carton and the rear flap a12 can slide toward the outlet by self-weight, so as to reduce the cost of the structure without adding an additional driving mechanism to control the movement of the rear flap a 12. Of course, in addition to this preferred embodiment, the present magazine mechanism may also employ existing drive mechanisms, either alone or in addition, to control the sliding movement of the tailgate a12 to effect the abutting feeding of the cartons toward the exit.

As a modified embodiment, the upper and lower stops a21 and a13 are cylinders that lie flat and rest against the side walls to hold the upper and lower edges of the carton in place.

As shown in fig. 4 and 5, the carton itself has a certain structural strength, and can be blocked by the upper stopper a21 and the lower stopper a13 when reaching the exit, and when being sucked by the suction cup group 3 and driven to leave the exit, the upper and lower covers and the side walls of the carton can be folded to a certain extent by the pulling-off force to release the blocking of the upper stopper a21 and the lower stopper a13, the upper stopper a21 and the lower stopper a13 which are arranged as cylinders and laid flat can limit the edges of the carton well by the thickness of the diameter at first, contact the edges of the carton well in a range by the length of the carton to limit the edges, and the smooth side walls of the cylinder can guide the upper and lower covers of the carton well to fold and leave without damaging the carton.

As a modified embodiment, the central abutment a22 is a cone with its head facing downward and configured to abut the upper edge of the carton.

As shown in fig. 5, the middle stopper a22 in a cone shape can cooperate with the upper stopper a21 and the lower stopper a13 to limit the carton; when the carton is pulled to be separated from the opening outlet, the two sides of the carton are continuously folded into a three-dimensional state due to the carton structure, the upper retaining piece A21 and the lower retaining piece A13 on the two sides of the carton cannot continue to limit the carton, at the moment, the middle supporting piece A22 in the middle is relied on, the middle supporting piece A22 is remained in the middle space of the carton after the adsorption surface on the upper part of the carton is sucked out and passes through the middle supporting piece A22, the front surface of the carton which is not adsorbed can continue to be abutted and limited by the middle supporting piece A22, so that the three-dimensional forming of the carton is completed in an auxiliary manner, and finally, the front surface of the carton is also pulled to be separated from the; the cone-shaped central abutment a22, which is pointed downwards, can be guided well away by its sloping walls at the upper edge of the carton and inserted into the central space of the carton between the front and rear faces.

As an improved specific embodiment, the first electric driving mechanism a01 drives the lower magazine a1 to adjust the up-down position through the first lead screw a011, and the upper end and the lower end of the first lead screw a011 are provided with a first sensor a012 for detecting the up-down movement limit position of the lower magazine a 1; the second electric driving mechanism A02 drives the upper baffle frame A2 to adjust the up-down position through a second lead screw A021, and a second sensor A022 for detecting the up-down movement limit position of the upper baffle frame A2 is arranged at the up-down end of the second lead screw A021.

As shown in fig. 1 and 4, the lower magazine a1 (specifically, the lower mounting bracket a10) is disposed on a slider structure, and the slider structure is disposed in cooperation with the first lead screw a011, and may be disposed in cooperation with the guide rod as described above; the upper baffle frame A2 (specifically, the upper mounting frame A20) is arranged on a slider structure, and the slider structure is arranged in a way of being matched with the second lead screw A021 and can also be arranged in a way of being matched with the guide rod as described previously; under the prerequisite of automated driving, for avoiding the user to electric drive mechanism's maloperation, if input too big debugging size through programmable controller mistake (like the multiple spot figure under the maloperation), structurally the slider structure can advance the extreme position at both ends, cause structural colliding with, the error of slider structure activity can appear if damage spare part, or need to change and increase down time and maintenance cost, the event sets up first sensor A012 at the both ends of first lead screw A011, set up second sensor A022 at the both ends of second lead screw A021, can be sensed by the sensor when storage support A1 reaches extreme position with last fender frame A2 down, the sensor can the feedback signal go to stop electric drive mechanism, avoid advancing excessively and cause spare part damage. The first sensor a012 and the second sensor a022 can be preferably proximity switches, or other prior art sensor types selected to sense the arrival of an object.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a case unpacking machine constructs, includes storage component (A) and case unpacking component (B) that connect gradually, its characterized in that:

the storage assembly (A) comprises a lower storage bracket (A1) and an upper retaining frame (A2), the lower storage bracket (A1) comprises a lower mounting frame (A10), support frames (A11) positioned on two sides of the lower mounting frame (A10) and a rear baffle (A12) positioned between the support frames (A11) on two sides, the support frames (A11) on two sides are used for supporting two sides of a carton, a discharging space for storing the carton is formed in the direction of the support frames (A11), and the rear baffle (A12) is arranged in the discharging space in a sliding mode through rails and used for abutting against the carton in front; a lower stopper (A13) for stopping the carton is arranged at the outlet of the two side supporting racks (A11); the upper blocking frame (A2) comprises an upper mounting frame (A20), upper blocking pieces (A21) positioned at two sides of the upper mounting frame (A20) and a middle abutting piece (A22) positioned between the upper blocking pieces (A21) at two sides; the lower storage rack (A1) and the upper baffle rack (A2) are respectively adjusted in the vertical position through a first electric driving mechanism (A01) and a second electric driving mechanism (A02); the supporting frame (A11) at one side is fixedly arranged, and the supporting frame (A11) at the other side is used for adjusting the horizontal position through a third electric driving mechanism (A03); the upper stopper (A21) at one side corresponding to the fixedly arranged support frame (A11) is fixedly arranged, the upper stopper (A21) at the other side is used for adjusting the horizontal position through a fourth electric driving mechanism (A04), and the middle stopper (A22) is used for adjusting the horizontal position through a fifth electric driving mechanism (A05);

the box opening assembly (B) comprises a fixed frame (B1), a translation frame (B2) which is arranged on the fixed frame (B1) and can horizontally move back and forth, and a blocking frame (B5) which is arranged on the fixed frame (B1) and can horizontally move left and right, the horizontal moving frame (B2) is provided with a sucker group (B3), the blocking frame (B5) is provided with an arc-shaped guide frame (B51) positioned at the lower part, an upper pushing frame (B52) positioned at the upper part and a driving part for driving the arc-shaped guide frame (B51) and the upper pushing frame (B52) to horizontally move left and right, the sucker group (B3) comprises a plurality of movable suckers (B31) arranged in the height direction, the movable suckers (B31) horizontally move left and right on the translation frame (B2) through a sixth electric driving mechanism (B41), the push-up frame (B52) is movably arranged on the blocking frame (B5) up and down through a seventh electric driving mechanism (B42).

2. The box opening mechanism of a box opener according to claim 1, characterized in that: the movable sucker (B31) is provided with a plurality of sequentially arranged sucker sensors in the moving direction, and when the sequentially arranged sucker sensors sense that the movable sucker (B31) reaches the position of the movable sucker, the feedback signals control the number of the movable suckers (B31) starting to work from bottom to top.

3. The box opening mechanism of a box opener according to claim 2, characterized in that: sucking disc group (B3) still includes a plurality of fixed suction cups (B32) that set up on the direction of height, the quantity and the range of fixed suction cup (B32) correspond the setting with activity sucking disc (B31), and when activity sucking disc (B31) were felt by the sucking disc sensor that arranges in proper order to fixed suction cup (B32) activity, activity sucking disc (B31) were close to fixed suction cup (B32) more, and feedback signal control made sucking disc (B32) and activity sucking disc (B31) by the lower quantity that supreme start-up work is less.

4. The box opening mechanism of a box opener according to claim 3, characterized in that: the movable suckers (B31) and the fixed suckers (B32) are three groups of upper, middle and lower groups which are arranged in the height direction, the sucker sensors are three in sequence, and the movable sucker (B31) has three stopping positions in the horizontal direction; when the movable sucking disc (B31) is closest to the fixed sucking disc (B32), corresponding to the first sucking disc sensor, a group of fixed sucking discs (B32) and movable sucking discs (B31) below are controlled to work by feedback signals; when the movable sucking disc (B31) and the fixed sucking disc (B32) are positioned at the middle distance, the movable sucking disc (B31) and the fixed sucking disc (B32) below the movable sucking disc (B31) work under the control of feedback signals corresponding to a second sucking disc sensor; when the movable sucking disc (B31) is farthest away from the fixed sucking disc (B32), corresponding to a third sucking disc sensor, the feedback signals control three groups of fixed sucking discs (B32) and movable sucking discs (B31) to work.

5. The box opening mechanism of a box opener according to claim 3 or 4, characterized in that: the movable sucker (B31) and the fixed sucker (B32) are respectively arranged on one mounting plate (B6), the rear parts of the two mounting plates (B6) are respectively provided with a sliding block (B61), the sliding block (B61) can be horizontally arranged on a guide rod (B62) of a translation frame (B2), and the mounting plate (B6) where the movable sucker (B31) is arranged is connected with an electric driving mechanism (B30); the sliding block (B61) where the fixed suction cup (B32) is located is adjustably positioned on the guide rod (B62).

6. The box opening mechanism of a box opener according to any one of claims 1 to 4, wherein: the sixth electric driving mechanism (B41) is an air cylinder, a plurality of magnetic control switches are arranged on the stroke of the air cylinder, and when the electromagnetic valve feeds back signals to the magnetic control switches at different positions, the air cylinder stops stopping the movable sucker (B31) at the corresponding position; the seventh electric driving mechanism (B42) is an air cylinder, a plurality of magnetic control switches are arranged on the stroke of the air cylinder, and when the electromagnetic valve feeds back signals to the magnetic control switches at different positions, the air cylinder stops and the push-up frame (B52) stays at the corresponding position.

7. The box opening mechanism of a box opener according to any one of claims 1 to 4, wherein: the arc-shaped guide frame (B51) comprises a straight plate (B511) and an arc-shaped plate (B512) which are sequentially connected and are in a vertical plate shape, the straight plate (B511) is perpendicular to the moving direction of the straight plate (B511) and is used for abutting against a carton to be pushed, and the arc-shaped plate (B512) is outwards bent relative to the suction disc group (B3) to form a shape for abutting against the carton to be turned and folded; the push-up rack (B52) is a sheet-shaped straight plate, and the far end of the push-up rack is provided with an arc-shaped guide angle (B521) for guiding the carton.

8. The box opening mechanism of a box opener according to any one of claims 1 to 5, wherein: the fourth electric driving mechanism (A04) drives the movable upper stopper (A21) to adjust the horizontal position through a fourth screw rod (A041), and the fifth electric driving mechanism (A05) drives the middle stopper (A22) to adjust the horizontal position through a fifth screw rod (A051); and a fourth sensor (A042) for detecting the horizontal movement limit position of the movable upper stopper (A21) is arranged at two ends of the upper mounting frame (A20) corresponding to the fourth screw rod (A041), and a fifth sensor (A052) for detecting the horizontal movement limit position of the middle stopper (A22) is arranged at two ends of the upper mounting frame (A20) corresponding to the fifth screw rod (A051).

9. The box opening mechanism of a box opener according to claim 8, characterized in that: the fourth electric driving mechanism (A04) and the fifth electric driving mechanism (A05) are respectively arranged at two sides of an upper mounting rack (A20), the fourth screw rod (A041) and the fifth screw rod (A051) respectively extend from the left side and the right side of the upper mounting rack (A20) to the other side and have overlapping parts in the length direction, the fourth sensor (A042) and the fifth sensor (A052) are positioned above the fourth screw rod (A041) and the fifth screw rod (A051) and are different in height when arranged, the movable upper stopper (A21) and the movable abutting piece (A22) are respectively provided with a fourth extending plate (A043) and a fifth extending plate (A053) which respectively sense the fourth sensor (A042) and the fifth sensor (A052), and the fourth extending plate (A043) and the fifth extending plate (A053) are arranged corresponding to the height sensor (A042) and the fifth sensor (A052), the extension plate at the lower position can not sense the sensor at the higher position when the overlapping part moves, and the sensor at the higher position and the extension plate are arranged farther, so that the extension plate at the higher position can not sense the sensor at the lower position because of the farther distance when the overlapping part moves.

10. The box opening mechanism of a box opener according to any one of claims 1 to 4, wherein: the encoding wheel is characterized in that the first electric driving mechanism (A01), the second electric driving mechanism (A02), the third electric driving mechanism (A03), the fourth electric driving mechanism (A04) and the fifth electric driving mechanism (A05) are all motors, the motors are connected with an encoding wheel (A3), a plurality of uniform tooth openings (A31) are formed in the encoding wheel (A3), a sixth sensor (A32) is arranged corresponding to the tooth openings (A31) in the encoding wheel (A3), the sixth sensor (A32) is used for detecting the rotation condition of the encoding wheel (A3), and the sixth sensor (A32) senses and determines the rotation number and the angle of the encoding wheel (A3) when the encoding wheel passes through the tooth openings (A31).

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