CN110253943B

CN110253943B - Opening device

Info

Publication number: CN110253943B
Application number: CN201910509197.4A
Authority: CN
Inventors: 杜玉; 赵瑞城; 李�灿; 邓伟
Original assignee: Anhui Shipinjia Industrial Product Design Co ltd
Current assignee: Anhui Shipinjia Industrial Product Design Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-09-25
Anticipated expiration: 2039-06-13
Also published as: CN110253943A

Abstract

The invention relates to an opening device, which comprises punching clamp plates arranged at the side of a paperboard folding device, wherein the punching clamp plates move in opposite directions and fold paperboards of a packaging box, punching cutters are arranged at the side of the punching clamp plates, a cutter driving mechanism drives the punching cutters to move along the direction vertical to the moving direction of the packaging box and punch the positions of the stacked paperboards, when the paperboard folding device folds the paperboards, the position of a coaming with overlapped creases is exposed at the position of the punching clamp plates by starting the punching clamp plates so as to realize the positioning of the punching positions, the punching cutters move along the direction vertical to the moving direction of the packaging box by starting the cutter driving mechanism so as to further realize the punching operation at the position with the overlapped creases, the punching mode not only can accurately find the positions of the paperboards needing to be punched, but also can ensure the punching reliability of the paperboards, and ensure the production quality of the subsequent packaging box.

Description

Opening device

Technical Field

The invention relates to the technical field of packaging boxes, in particular to an opening device.

Background

During the actual processing of the packing box, corrugated paper or coated paper is generally adopted as a production raw material, the paperboard is generally subjected to film covering operation through a film covering machine during the actual processing, a film covering film with brand patterns is covered on the paperboard, the paperboard is generally singly guided out in the actual production process, the single paperboard is guided and conveyed from a guide and conveying crawler belt, blanks of the packing box are finally formed through a film covering device, an opening device and a crease device, then the packing box can be subjected to bottom sealing operation through manual or mechanical modes, and finally the complete packing box capable of containing articles is formed.

The packing carton to durian fruit packing has not been aimed at in the market yet, and to this, the applicant has applied for and has disclosed a packing carton to durian fruit in the patent application named "packing carton", and the packing carton includes interior box body, and this interior box body can form the flexible change of radial direction to be provided with the strapping on including the box body, thereby can effectively realize the effect of tightening up to durian fruit, and then realize the effective packing to durian fruit.

Aiming at the durian fruit packing box, in order to improve the firmness of durian bundling, the packing box is provided with a bundling belt cord, and the bundling belt cord is arranged on the packing box, so that the durian fruit packing box has great technical difficulty.

Disclosure of Invention

The invention aims to provide an opening device which can effectively realize the opening operation of a paperboard and conveniently penetrate subsequent cords into an opening.

The technical scheme adopted by the invention is as follows.

The utility model provides an opening device, is including setting up the splint that punch at cardboard closing device side, the splint that punch move in opposite directions and implement the coincide to the packing carton cardboard, the side of the splint that punch is provided with the cutter of punching, and cutter actuating mechanism drive punching cutter just implements the operation of punching to cardboard coincide position along packing carton moving direction's vertical direction removal.

The invention has the technical effects that: after cardboard coincide dress device implementation finishes the cardboard coincide, through starting the splint that punch, make the bounding wall position of crease coincide reveal in the splint position department that punches, in order to realize the location to the position of punching, through starting cutter actuating mechanism, make the cutter that punches remove along packing carton moving direction's vertical direction, and then realize the operation of punching to crease position department, this mode of punching not only can accurately seek the position that needs punch to the cardboard, but also can ensure the reliability of punching to the cardboard, and ensure the production quality of follow-up packing carton.

Drawings

FIG. 1 is a schematic view of a flat sheet of paperboard;

FIG. 2 is a schematic end view of the paperboard in a folded configuration;

FIGS. 3 and 4 are schematic views of two viewing angles of a paperboard folding device;

FIG. 5 is a front view of the paperboard folding device;

FIG. 6 is a left side view of the paperboard folding device;

FIG. 7 is a schematic view of the structure of the upper climbing rope and the attachment;

FIG. 8 is a front view of an upper climbing rope and accessories;

FIG. 9 is a schematic view of the construction of the lower climbing rope and the attachment;

FIG. 10 is a front view of a lower climbing rope and accessories;

FIG. 11 is a front view of the clamping mechanism and the folding mechanism of the sheet folding apparatus;

FIG. 12 is a schematic view of the structure of the clamping mechanism;

FIG. 13 is a cross-sectional view of the clamping plate and clamping plate in the clamping mechanism;

FIG. 14 is a schematic view of the opening device in use;

fig. 15 is a schematic view of the structure of the opening device.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, legibility and inconsistency; the specific features of the opening device are described in detail below:

the packaging box raw material paperboard is neatly stacked in the paperboard guiding device, the paperboard raw material can be guided into the paperboard cutting device singly and discontinuously by the paperboard guiding device, the specific structure of the paperboard guiding device is a common paperboard separator in the market, and the paperboard raw material can be guided into each device in a subsequent production line discontinuously and singly;

the paperboard cutting device is used for opening the raw paperboard, an opening convenient for folding is formed in one end of the raw paperboard, so that subsequent folding operation is facilitated, and a position convenient for sealing the bottom of the packaging box is reserved, so that the reliability of the sealing bottom of the packaging box is ensured; the paperboard cutting device cuts the paperboard and guides the paperboard into the crease device for crease operation, so that all creases of the packaging box are formed, the raw paperboard of the packaging box after the creases is guided into the paperboard laminating device 40, the raw paperboard is laminated into a paperboard in a laminating state to be guided out, the problem of rebounding caused by incomplete creases is avoided, the paperboard laminating machine can perform compacting action on the paperboard through the paperboard laminating box 40, the integrity of the formed packaging box is ensured, the laminated paperboard is provided with a threading hole, namely the opening, at the position of the superposed creases of the paperboard through the opening device 50, and then a strapping tape is threaded in the threading hole through the threading device, wherein the strapping tape can be a specially-made polymer flexible thread rope, so that the strapping effect on the packaging box can be effectively realized;

as shown in fig. 2, the opening device 50 is used for opening holes at the folding lines of the cardboard after the cardboard is folded, so that the threading position of the threading holes can be ensured, and the subsequent threading operation of the threading device is very convenient;

with reference to fig. 3 to 13, how the folded cardboard is folded and combined is described in detail as follows:

specifically, the cardboard folding device 40 includes a rope line arranged at an outlet of the creasing device 30, the rope line includes an upper climbing rope 41 and a lower climbing rope 42, the upper climbing rope 41 and the lower climbing rope 42 are close to or far away from each other, a channel for paper feeding plates to pass through is arranged between the upper climbing rope 41 and the lower climbing rope 42, clamping mechanisms are arranged on two sides of the channel for paper feeding plates to pass through, the clamping mechanisms are used for clamping two sides of the cardboard, the clamping mechanisms are connected with a pushing and folding mechanism, and the pushing and folding mechanism moves in opposite directions along the width direction of the channel for paper feeding plates to pass through;

as shown in fig. 3 and 13, after the folding operation of the cardboard is completed, the cardboard is guided to the folding plate folding device 40, the clamping mechanisms on the two sides of the cardboard channel are started to clamp the two sides of the cardboard, then the upper climbing rope 41 and the lower climbing rope 42 are close to each other up and down, so that the tightening operation of the folding position is realized, and the pushing and folding mechanism is started during the climbing operation of the upper climbing rope 41 and the lower climbing rope 42, so that the folding position of the cardboard is further folded, the cardboard is ensured to be further clamped and compacted at the folding position, and the problem of cardboard rebounding is avoided;

the upper climbing rope 41 is provided with a plurality of groups, the length direction of the upper climbing rope 41 is consistent with the traveling path direction of the paper board, namely the width direction of the paper board, the upper climbing rope 41 can abut against the crease a and the crease b so as to be clamped in the crease a and the crease b on the upper surface of the paper board, the lower climbing rope 42 is provided with a plurality of groups, the length direction of the lower climbing rope is parallel to the upper climbing rope 41, the position of the lower climbing rope 42 corresponds to the positions of the crease c and the crease d, the lower climbing rope 42 can be clamped in the crease c and the crease d to form a clear outline in the process of ascending the lower climbing rope 42, the subsequent paper board folding operation performed by a pushing and folding mechanism is convenient, the folding position can be ensured at the four crease positions, so that the creases are clearer, and further the folding of the paper board at the folding position can be ensured to be folded in the process of folding the paper board, further stability of the paperboard creases is ensured, and the paperboard is prevented from rebounding from the creases.

As a preferable scheme of the invention, the clamping mechanism is arranged on the push-folding mechanism in a sliding manner, and the sliding direction of the clamping mechanism is parallel to the width direction of a channel through which the paperboard passes;

the clamping mechanism can effectively slide on the pushing and folding mechanism, when the upper climbing rope 41 and the lower climbing rope 42 are close to each other up and down, and the upper climbing rope and the lower climbing rope are abutted against respective creases of the upper board surface and the lower board surface of the paper board, the width direction of the paper board is necessarily contracted in a certain proportion, and then the contraction distance of the width direction is eliminated, the clamping mechanism is relatively close to the width direction, so that the paper board is folded, the pushing and folding mechanism is started, and therefore the paper board folding operation is achieved.

Further, as shown in fig. 7 and 10, both ends of the upper climbing rope 41 are disposed at one end of a first rocker arm 411, the other end of the first rocker arm 411 is movably disposed on a first lifter frame 412, both ends of the lower climbing rope 42 are disposed on a second rocker arm 421, and a movable chamber at the other end of the second rocker arm 421 is disposed on a second lifter frame 422 to drive the first lifter frame 412 and the second lifter frame 422 to approach or separate from each other;

in order to realize the movable link of the upper climbing rope 41, a certain fault tolerance can be provided for the upper climbing rope 41 in the descending process, so that the upper climbing rope 41 can accurately fall into the folding line a and the folding line b, in the process that the upper climbing rope 41 is contacted with the upper plate surface of the paperboard, firstly, the first rocker arm 411 generates a movable action with a certain stroke, when the upper climbing rope 41 is abutted against the upper plate surface of the paperboard, the upper climbing rope 41 is automatically guided into the folding line a and the folding line b until the movable stroke of the first rocker arm 411 is finished until the first rocker arm 411 is positioned at the highest end;

similarly, as shown in fig. 8 and 9, both ends of the lower climbing rope 42 are disposed on the second swing arm 421, so as to achieve movable connection of the lower climbing rope 42, and the lower climbing rope 42 can have a certain tolerance during the ascending process, so that the lower climbing rope 42 can accurately fall into the folding line c and the folding line d, during the contact process of the lower climbing rope 42 and the lower board surface of the cardboard, the second swing arm 421 first generates a movable motion with a certain stroke, and when the lower climbing rope 42 abuts against the lower board surface of the cardboard, the lower climbing rope 42 is automatically guided into the folding line c and the folding line d until the movable stroke of the second swing arm 421 is completed until the second swing arm 421 is located at the highest end, thereby completely guiding the lower climbing rope 42.

Further, the other end of the first rocker arm 411 is disposed on a first ball socket 413, the first ball socket 413 is disposed on the first lifter frame 412, the other end of the second rocker arm 421 is disposed on a second ball socket 423, and the second ball socket 423 is disposed on the second lifter frame 422;

in order to realize the movable connection of the two ends of the upper climbing rope 42 and the lower climbing rope 42, the upper climbing rope 42 and the lower climbing rope 42 can be movably matched on a certain stroke of the first rocker arm 411 and the second rocker arm 421 respectively, so that the upper climbing rope 42 and the lower climbing rope 42 can be stably and effectively guided into respective creases to form the climbing of the creases, the stability and the accuracy of the folding of the carton can be ensured, and the quality of the forming of the carton at the later stage can be ensured.

More specifically, one end of the upper climbing rope 41 is connected with one end of one of the first rocker arms 411, a first rope guide wheel 414 is arranged on the other first rocker arm 411, a wheel carrier of the first rope guide wheel 414 is rotatably arranged on the first rocker arm 411, the other end of the upper climbing rope 411 passes through the wheel carrier of the first rope guide wheel 414 and is connected with one end of a first spring 415, the other end of the first spring 415 is hooked on the first rocker arm 411, and the upper climbing rope 411 abuts against a rim clamping groove of the first rope guide wheel 414;

as shown in fig. 7, in order to elastically tension the first upper climbing rope 41 and avoid the problems of indentation of the upper board surface of the cardboard and the force of the crease that cannot be smoothly guided into the upper board surface of the cardboard due to the rigid contact between the upper climbing rope 41 and the upper board surface of the cardboard, one end of the upper climbing rope 41 is movably connected, the other end of the upper climbing rope 41 can movably extend and contract, and the other end of the upper climbing rope 41 is connected to the first spring 415 through a first rope guide wheel 414 that is connected in a universal manner, so that the upper climbing rope 41 can be stretched when bearing a large resistance, and the upper climbing rope 41 can be movably disposed at both ends on the first lifting frame 412, thereby ensuring that the upper climbing rope 41 can be smoothly guided into the crease of the upper board.

Similarly, one end of the lower climbing rope 42 is connected with one end of one of the second rocker arms 421, a second rope guide wheel 424 is arranged on the other second rocker arm 421, a wheel carrier of the second rope guide wheel 424 is rotatably arranged on the second rocker arm 421, the other end of the lower climbing rope 42 passes through the wheel carrier of the second rope guide wheel 424 and is connected with one end of a second spring 425, the other end of the second spring 425 is hooked on the second rocker arm 421, and the climbing rope 42 abuts against a rim clamping groove of the second rope guide wheel 424;

a second rocking arm 421 activity setting that is used for fixing lower climbing rope 42 one end is on second bulb seat 423, and the other end of lower climbing rope 42 is connected with second spring 425 through the second rope guide wheel 424 of universal connection, thereby realize the swing joint of lower climbing rope 42, make lower climbing rope 42 present when meeting with great resistance, can compress second spring 425, and then make lower climbing rope 42 can be smooth in the crease in the leading-in cardboard lower plate face, be close to each other and keep away from through driving first elevating rack 412 and second elevating rack 422, make the cardboard be located crease department and produce preliminary bending, then can effectively realize further folding to the cardboard through pushing away a mechanism, avoid the crease department to appear bounce, ensure the finished product quality of packing carton.

Further, in order to realize the driving of the first lifting frame 412 in the vertical direction, the first lifting frame 412 is slidably disposed on the fixed frame 43, the fixed frame 43 is provided with a first power cylinder 431, a piston rod of the first power cylinder 431 is vertical and is connected with the first lifting frame 412, the second lifting frame 422 is slidably disposed on the fixed frame 43, the fixed frame 43 is provided with a second power cylinder 432, and a piston rod of the second power cylinder 432 is vertical upward and is connected with the second lifting frame 422;

the valve opening and closing degrees of the gas introduced by the first power cylinder 431 and the second power cylinder 432 are controlled to adjust the response speeds of the first power cylinder 431 and the second power cylinder 432, so that the response speeds of the first power cylinder 431 and the second power cylinder 432 are slowed down as much as possible, the time for the upper climbing rope 41 and the lower climbing rope 42 to be connected with the upper plate surface and the lower plate surface of the paperboard is shortened, and the upper climbing rope 41 and the lower climbing rope 42 can be accurately introduced into the crease of the paperboard.

As a preferable scheme of the present invention, as shown in fig. 6 to 11, the clamping mechanism includes clamping boards 44 disposed at two sides of a channel through which the paper board passes, a bayonet 441 for clamping two sides of the paper board is disposed on the clamping board 44, a clamping plate 442 is disposed in the clamping board 44, the clamping plate 442 is lifted and lowered and is close to or away from an upper side wall of the bayonet 441, and the clamping board 44 is slidably disposed on a reset slide rod 45 on the pushing and folding mechanism;

the cardboard after the crease treatment of transverse folding device 30 is guided and sent to fixture's centre gripping cardboard 44 in, through starting splint 442, make splint 442 be close to with the top lateral wall of bayonet 441, thereby realize the clamping operation to the both sides of cardboard, centre gripping cardboard 44 sets up on the slide bar 45 that resets of pushing away a mechanism when sliding, and then when starting foretell first power cylinder 431 and second power cylinder 432, can make centre gripping cardboard 44 be located and restore to the throne slide bar 45 and produce the slip of certain degree, thereby can tighten the crease of cardboard and form.

Specifically, as shown in fig. 11 and 12, one side of the clamping plate 44 is rotatably disposed on the reset slider 451 through a hinge shaft, the reset slider 451 is slidably disposed on the reset slide rod 45, and the hinge shaft of the clamping plate 44 is horizontal and parallel to the moving direction of the paper board;

because when first power cylinder 431 and second power cylinder 432 started, the cardboard produced the back of buckling, the both ends of its cardboard also can corresponding produce certain angle's deflection, thereby avoid the both ends of cardboard to be torn rotten damaged, to this the articulated setting of centre gripping cardboard on slider 451 resets, thereby can comply with the cardboard and fold the change that the cardboard both ends that produce often take place to deflect, under the circumstances of centre gripping cardboard both sides at centre gripping cardboard 44, the centre gripping mouth of centre gripping cardboard 44 presents the horizontally gesture, when avoiding the leading-in device of cardboard, the bayonet 441 of centre gripping cardboard 44 can't be led into smoothly to the both sides of cardboard.

Further, as shown in fig. 13, a telescopic gap 443 is provided on a lower side wall of the bayonet 441 of the clamping chuck 44, the clamping plate 442 is disposed in the telescopic gap 443, and an upper end of the clamping plate 442 protrudes out of a lower side wall of the bayonet 441 or is close to an upper side wall of the bayonet 441, a driven inclined surface 4421 is provided at a lower end of the clamping plate 442, a driving block 444 is provided below the clamping plate 442, a driving inclined surface 4441 is provided at a front end of the driving block 444, the driving inclined surface 441 abuts against or is separated from the driven inclined surface 4421, the driving block 444 is connected with a piston rod of a telescopic cylinder 445, a cylinder body of the telescopic cylinder 445 is fixed on the clamping plate 442, and the piston rod of the telescopic cylinder 445 is horizontal and parallel;

when needs are to the cardboard both sides tight operation, telescopic cylinder 445 starts, and then interlock driving block 444 horizontal slip, driving block 444 horizontal slip's in-process, make splint 442 along flexible breach 443 upward movement, in order to realize the tight operation of clamp to the cardboard both sides, after the cardboard is folding to finish, finish through subsequent reeving equipment stringing, then the centre gripping cardboard 44 of both sides keeps away from each other, and then realize expandes once more to the packing carton cardboard, thereby make the cardboard can form the preliminary product of packing carton, then leading-in process on next step carries out secondary operation, can set up corresponding knot cardboard on the cardboard, so that the cardboard can carry out effectual back cover operation, and then complete production to whole packing carton.

Further, the pushing and folding mechanism comprises pushing clamping plates 46 arranged beside the clamping mechanism, and the pushing clamping plates 46 are close to or far away from each other.

In order to reset the clamping chuck plate 44, so that the clamping chuck plate 44 is in a set position without clamping two sides of the paperboard, the reset slide rod 45 is arranged on the pushing clamp plate 46, the reset slide rod 45 is provided with a pushing spring 452, and two ends of the pushing spring 452 abut against the pushing clamp plate 46 and the reset slide block 451 respectively;

the reset slider 451 is caused to be in the set position without being moved freely by the elastic reset force of the push spring 452.

Further, as shown in fig. 11, the opposite side of the pushing clamp plate 46 is provided with a clamping polished rod 461, and the rod length direction of the clamping polished rod 461 is arranged along the feeding direction of the packing box;

the clamping rods 461 are round rods, and when the pushing clamping plates 46 are close to each other, the clamping rods 461 are close to each other, so that the folded paper boards are squeezed with each other, the paper boards are folded, and the reliability of paper board folding and clamping is ensured.

Specifically, as shown in fig. 11 and 12, opposite sides of the pushing clamp plates 46 are respectively connected to respective pushing cylinders 47, piston rods of the pushing cylinders 47 are horizontal and perpendicular to a guiding direction of the packaging box, rod ends of the pushing cylinders 47 are provided with push plates 471, the push plates 471 are provided with driving slide rods 472 in a suspended manner, the driving slide rods 472 are parallel to the pushing cylinders 47, rod ends of the driving slide rods 472 and the pushing clamp plates 46 form a sliding fit, the driving slide rods 472 are sleeved with driving springs 473, and two ends of the driving springs 473 are respectively abutted to the push plates 471 and the pushing clamp plates 46;

through starting propelling movement cylinder 47 for the propelling movement splint 46 of both sides is close to, after being close to a certain degree, makes drive spring 473 compress each other, and then avoids the noise problem that appears because the rigid contact, and through the cardboard of pushing away a packing carton, can make the packing carton cardboard present elastic extrusion state, in order to ensure the production quality of packing carton.

Referring to fig. 14 and 15, after the sheets are completely stacked along the fold, the corresponding punch stringing process is performed, and the opening device 50 is described in detail below:

the opening device 50 comprises a punching clamp plate 51 arranged at the side of the paperboard folding device 40, the punching clamp plate 51 moves oppositely and folds the paperboard of the packaging box, a punching cutter 52 is arranged at the side of the punching clamp plate 51, and the cutter driving mechanism drives the punching cutter 52 to move along the vertical direction of the moving direction of the packaging box and performs punching operation on the paperboard folding position;

after the paperboard superposition device 40 finishes superposing the paperboards, the positions of the crease lines a and the crease lines b are punching positions and are positioned on the periphery of the packaging box, the punching clamp plate 51 is started, the position of the coaming plate where the crease lines a and the crease lines b are superposed is exposed at the position of the punching clamp plate 51, so that the punching positions are positioned, the punching cutter 52 is moved along the vertical direction of the moving direction of the packaging box by starting the cutter driving mechanism, and then the punching operation on the positions of the crease lines a and the crease lines b is realized, the punching mode not only can accurately find the positions of the paperboards needing punching, but also can ensure the punching reliability of the paperboards, and ensure the production quality of subsequent packaging boxes;

as a preferred embodiment of the present invention, referring to fig. 14 and 15, the punching blade 52 is tubular and has saw teeth at the nozzle, and the rotating mechanism drives the punching blade 52 to rotate;

in order to ensure the punching effect on the crease so as to ensure that the stacked paper boards can be effectively punched at the crease, the rotating mechanism drives the punching cutter 52 to rotate, so that the punching cutter 52 takes a rotating posture to advance, and under the action of the cutter driving mechanism, the punching cutter 52 is close to the stacked paper boards, so that the punching operation on the paper boards is realized, and the punching quality is ensured.

As shown in fig. 1, an opening e is finally formed in the paperboard, so that the thread rope can be conveniently threaded into the opening e, and the subsequent tightening operation can be conveniently carried out.

As a further preferable scheme of the present invention, a section of the punching cutter 52 is provided with a material pushing mechanism, and the material pushing mechanism is used for pushing out the powdery paper scrap in the punching cutter 52 from the pipe orifice;

because the punching cutter 52 is tubular and performs drilling and penetrating operation along the overlapped position of the paper boards, a large amount of powdery paper scraps are left in the tube cavity of the punching cutter 52 and cannot be removed, and for this reason, the material pushing mechanism arranged in the punching cutter 52 can effectively push the powdery paper scraps in the punching cutter 52 out of the tube opening, so that the cleaning of the punching cutter 52 is ensured.

In order to realize the quick drive of the punching cutter 52, the cutter driving mechanism comprises a driven gear 521 outside the pipe wall of the punching cutter 52, the driven gear 521 is matched with a power gear 522, and a driving motor 523 drives the driven gear 521 to rotate;

the above-mentioned driving motor 523 starts up to the linkage punching cutter 52 rotates at a high speed, and under the effect of the cutter driving mechanism, the high-speed rotating emptying cutter 42 performs the drilling operation along the crease of the laminated paper board, so that the perforation can be effectively drilled, and the subsequent perforation operation is facilitated.

Specifically, one end of the punching tool 52 is rotatably disposed on a support bearing 524, the support bearing 524 is disposed on a frame slide block 525, the frame slide block 525 slides back and forth along a slide rail 526, and the length direction of the slide rail 526 is parallel to the tube length direction of the punching tool 52;

the punching tool 52 is rotatably disposed on the frame slider 525 through the support bearing 524, so that the punching tool 52 can be guided along the slide rail 526 in a high-speed operation state, and the punching tool 52 can be conveniently driven into the folded position of the paper board, thereby realizing the punching operation on the folded position of the paper board.

In order to horizontally guide the punching tool 52, a nut 5251 is arranged on the frame slide block 525, the nut 5251 is matched with a screw rod 5252, the screw rod 5252 is parallel to the tube length direction of the punching tool 52, one end of the screw rod 5252 is connected with a rotating shaft of a motor 5253, the motor 5253 is fixed at one end of a sliding rail 526, the slow and constant propelling of the punching tool 52 can be effectively realized through a screw rod nut mechanism, and the punching effect of the folded part of the paperboard is further ensured.

In order to realize the derivation of the residual paper scraps in the punching tool 52, the material pushing mechanism comprises a material pushing rod 53 arranged in the tube cavity of the punching tool 52, the material pushing rod 53 is connected with a horizontal pushing mechanism, the horizontal pushing mechanism drives the material pushing rod 53 to move along the tube length direction of the punching tool 52, and the rod end of the material pushing rod extends out of the tube opening of the punching tool 52.

Specifically, the horizontal pushing mechanism comprises a horizontal pushing cylinder 54, a piston rod of the horizontal pushing cylinder 54 is horizontal and parallel to the punching tool 52, and the piston rod of the horizontal pushing cylinder 54 is connected with the material pushing rod 53.

Claims

1. An opening device, characterized by: the packaging box paperboard folding device comprises a punching clamp plate (51) arranged at the side of a paperboard folding device (40), wherein the punching clamp plate (51) moves in opposite directions and carries out folding on packaging box paperboards, a punching cutter (52) is arranged at the side of the punching clamp plate (51), and a cutter driving mechanism drives the punching cutter (52) to move along the vertical direction of the moving direction of the packaging box and carries out punching operation on the folding positions of the paperboards;

the punching cutter (52) is tubular, sawteeth are arranged at the pipe orifice, and the rotating mechanism drives the punching cutter (52) to rotate;

a section of the punching cutter (52) is provided with a material pushing mechanism, and the material pushing mechanism is used for pushing out powdery paper scraps in the punching cutter (52) from a pipe orifice;

the cutter driving mechanism comprises a driven gear (521) outside the pipe wall of the punching cutter (52), the driven gear (521) is matched with a power gear (522), and a driving motor (523) drives the driven gear (521) to rotate;

one end of the punching cutter (52) is rotatably arranged on a supporting bearing (524), the supporting bearing (524) is arranged on a rack sliding block (525), the rack sliding block (525) slides back and forth along a sliding rail (526), and the length direction of the sliding rail (526) is parallel to the tube length direction of the punching cutter (52);

be provided with nut (5251) on frame slider (525), nut (5251) and lead screw (5252) cooperation, lead screw (5252) are parallel and one end is connected with the pivot of motor (5253) with the pipe length direction of punching cutter (52), one end at slide rail (526) is fixed in motor (5253).

2. The opening device of claim 1, wherein: the pushing mechanism comprises a pushing rod (53) arranged in a pipe cavity of the punching cutter (52), the pushing rod (53) is connected with a horizontal pushing mechanism, the horizontal pushing mechanism drives the pushing rod (53) to move along the pipe length direction of the punching cutter (52), and the rod end of the pushing rod extends out of the pipe opening of the punching cutter (52).

3. The opening device of claim 2, wherein: the horizontal pushing mechanism comprises a horizontal pushing cylinder (54), a piston rod of the horizontal pushing cylinder (54) is horizontal and parallel to the punching tool (52), and the piston rod of the horizontal pushing cylinder (54) is connected with the material pushing rod (53).

4. The opening device of claim 1, wherein: the paper board folding device (40) comprises a rope line, the rope line comprises an upper climbing rope (41) and a lower climbing rope (42), the upper climbing rope (41) and the lower climbing rope (42) are close to or far away from each other, a channel through which a paper supply plate passes is arranged between the upper climbing rope (41) and the lower climbing rope (42), clamping mechanisms are arranged on two sides of the channel through which the paper boards pass, the clamping mechanisms are used for clamping two sides of the paper boards, the clamping mechanisms are connected with the pushing and folding mechanisms, and the pushing and folding mechanisms move in opposite directions along the width direction of the channel through which the paper boards pass.

5. The opening device of claim 4, wherein: the clamping mechanism is arranged on the pushing and folding mechanism in a sliding mode, and the sliding direction of the clamping mechanism is parallel to the width direction of a channel through which the paperboard passes.