CN110253955B - Opening rope threading device - Google Patents

Abstract

The invention relates to an opening threading device, which comprises a punching clamp plate, wherein a punching cutter is arranged beside the punching clamp plate, a threading rod is arranged in a core of the punching cutter, the rod end of the threading rod is used for clamping one end of a thread rope, the threading rod drives the thread rope to move along a tube cavity of the punching cutter and enables the threading rod to extend out of a tube opening at one end of the punching cutter, a threading mechanism drives the threading rod to move along the tube cavity of the punching cutter, a cutter driving mechanism drives the punching cutter to move along the vertical direction of the moving direction of a packing box and punch a paper board superposition position, after the punching cutter of the punching device punches the paper board, the threading rod arranged in the punching cutter synchronously moves, then the thread rope passes through the through holes formed in the punching cutter to realize the punching operation of the paper board, and in the process of returning the punching cutter, the thread rope is enabled to remain in the threading holes at the folding position of the paper, thereby effectively realizing the threading operation of the paper board.

Description

Opening rope threading device

Technical Field

The invention relates to the technical field of packaging boxes, in particular to an opening stringing 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 how to arrange the bundling belt cord on the packing box has great technical difficulty for the durian fruit packing box

Disclosure of Invention

The invention aims to provide an opening stringing device, which can effectively perform opening operation on a paper board, and can be used for stringing a bundling rope in an opening to ensure the reliability of food packaging.

The technical scheme adopted by the invention is as follows.

Opening threading device, including the splint that punch, the side of the splint that punch is provided with the cutter of punching, be provided with the rope handling pole in the cutter tube core of punching, the rod end of rope handling pole is used for pressing from both sides the one end of tight cotton rope, rope handling pole drive cotton rope removes and makes the rope handling pole stretch out the cutter one end mouth of pipe along the cutter lumen of punching, and rope handling mechanism drive rope handling pole removes along the lumen of cutter of punching, and cutter actuating mechanism drive cutter removes and implements the operation of punching to cardboard coincide position along the vertical direction of packing carton moving direction.

The invention has the technical effects that: after the punching cutter of the punching device performs punching operation on the paperboard, the rope threading rod arranged in the punching cutter moves synchronously, and then the rope passes through the through hole formed by the punching cutter, so that the punching operation on the paperboard is realized, and in the process of returning the punching cutter, the rope is remained in the through hole at the folding position of the paperboard, so that the rope threading operation on the paperboard is effectively realized.

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 configuration of the split thread-threading device in use;

FIG. 15 is a schematic view of the construction of the opening cord-threading device;

FIG. 16 is a schematic cross-sectional view of the end of the punch blade and the thread-threading rod of the opening thread-threading 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 stringing device are explained 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 carries out buckling operation on the raw material paperboard, an opening convenient for crease is formed in one end of the raw material paperboard so as to facilitate subsequent crease operation, and a position convenient for packing box back cover is reserved so as to ensure the reliability of the packing box back cover; 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 folding device 40, the raw paperboard is folded into the paperboard in a pressing state and guided out, the problem of rebounding caused by incomplete creases is avoided, the paperboard folding machine can be compacted through the paperboard folding device 40, the integrity of the formed packaging box is ensured, threading holes, namely the openings, are formed in the positions of the folding creases of the paperboard through the opening device of the folded paperboard, and then the threading belts are threaded in the threading holes through the threading devices 60, the binding belts can be specially-made high polymer flexible ropes, and the binding effect on the packaging box can be effectively realized;

as shown in fig. 2, the opening device for opening holes at the folding line of the cardboard is started after the cardboard is folded, so that the threading position of the threading hole can be ensured, and the subsequent threading operation of the threading device 60 is very convenient;

with reference to fig. 3 to 11, the following describes in detail how the folded cardboard is folded and assembled:

specifically, the cardboard folding device 40 comprises a rope line arranged at an outlet of the creasing device, 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 feeding 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 cardboard passes, 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 through which the cardboard passes;

as shown in fig. 3 and fig. 6, after the paperboard creasing operation is completed, the paperboard is guided to the position of the paperboard folding device 40, the clamping mechanisms on the two sides of the paperboard channel are started to clamp the two sides of the paperboard, then the upper climbing rope 41 and the lower climbing rope 42 are close to each other up and down, so that the creasing position is tensioned, and when the upper climbing rope 41 and the lower climbing rope 42 are pulled, the pushing and folding mechanism is started, so that the paperboard creasing position is further folded, the paperboard is further clamped and compacted at the creasing position, and the problem of paper board 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, two ends of the upper climbing rope 41 are disposed at one end of the first rocker arm 411, the other end of the first rocker arm 411 is movably disposed on the first lifter frame 412, two ends of the lower climbing rope 42 are disposed on the second rocker arm 421, and the other end of the second rocker arm 421 is movably disposed on the second lifter frame 422, so as 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. 9 and 10, both ends of the lower climbing rope 42 are disposed on the second swing arm 421, so as to achieve the 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, so as to completely guide 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 41 and the lower climbing rope 42, the upper climbing rope 41 and the lower climbing rope 42 can be respectively positioned on the first rocker arm 411 and the second rocker arm 421 to form movable fit on a certain stroke, and the upper climbing rope 41 and the lower climbing rope 42 can be stably and effectively guided into respective creases to form the climbing of the creases, so that the stability and the accuracy of folding the creases of the carton are ensured, and the quality of forming the carton at the later stage is 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 41 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 41 abuts against a rim clamping groove of the first rope guide wheel 414;

referring to fig. 7 and 8, in order to elastically tension the first climbing rope 41 and avoid the problems of indentation of the upper surface of the cardboard and the force of the crease that cannot be smoothly guided into the upper surface of the cardboard due to the rigid contact between the climbing rope 41 and the upper surface of the cardboard, one end of the climbing rope 41 is movably connected, the other end of the climbing rope 41 is movably telescopic, and the other end of the 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 climbing rope 41 can be stretched when bearing a large resistance, and the climbing rope 41 can be movably disposed on the first lifting frame 412 at both ends, thereby ensuring that the climbing rope 41 can be smoothly guided into the crease of the upper cardboard.

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 fixing frame 43, the fixing 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 fixing frame 43, the fixing 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 contact time between the upper climbing rope 41 and the lower climbing rope 42 and the contact time between the upper plate surface and the lower plate surface of the paperboard are prolonged, and the upper climbing rope 41 and the lower climbing rope 42 can be accurately introduced into the crease of the paperboard.

As a preferred embodiment of the present invention, as shown in fig. 11 to 13, the clamping mechanism includes clamping plates 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 plate 44, a clamping plate 442 is disposed in the clamping plate 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 plate 44 is slidably disposed on a reset slide rod 45 on the pushing and folding mechanism;

the cardboard after processing through creasing device crease is led and is sent to fixture's centre gripping cardboard 44 in, through starting splint 442, make splint 442 and bayonet 441's top lateral wall be close to, thereby realize the clamping operation to the both sides of cardboard, the setting is on the slide bar 45 that resets that pushes away folding mechanism when centre gripping cardboard 44 slides, 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 shaping with the crease of cardboard.

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 4441 abuts against or separates 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 to;

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 and 12, the opposite side of the pushing jig 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.

After the cardboard is completely folded along the fold, the corresponding perforating machine threading process is performed, and the opening device is described in detail below:

the opening device 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 a 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 folding device 40 finishes folding the paperboard, the positions of the crease line a and the crease line b are the punching positions and are positioned on the periphery of the packaging box, the punching clamp plate 51 is started, so that the position of the coaming for folding the crease line a and the crease line b is exposed at the position of the punching clamp plate 51, and the punching positions are positioned;

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.

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.

With reference to fig. 14 to 16, the following details the principle of the reeving device 60:

the stringing device 60 comprises a stringing rod 61 arranged in the tube core of the perforating cutter 52 of the opening device, the rod end of the stringing rod 61 is used for clamping one end of the rope A, the stringing rod 61 drives the rope A to move along the tube cavity of the perforating cutter 52 and enables the stringing rod 61 to extend out of the tube opening at one end of the perforating cutter 52, and the stringing mechanism drives the stringing rod 61 to move along the tube cavity of the perforating cutter 52;

after the punching cutter 52 of the punching device 50 performs punching operation on the paperboard, the threading rod 61 arranged in the punching cutter 52 moves synchronously, and then the thread rope A passes through the through hole formed by the punching cutter 52 to realize the punching operation on the paperboard, and in the process of retracting the punching cutter 52, the thread rope A is left in the threading hole at the folding position of the paperboard, so that the threading operation on the paperboard is effectively realized.

As a preferred aspect of the present invention, a rope clamping mechanism is disposed at a position of a pipe orifice of the punching tool 52, and the rope clamping mechanism is used for clamping a rope end at a rod end of the rope threading rod 61;

after the threading rod 61 passes through the perforating cutter 52, the rope end position of the threading rod 61 is exposed at the rod end of the threading rod 61, and successively at the cutter pipe opening position of the perforating cutter 52, after the rope end at the rod end of the threading rod 61 is clamped by the rope clamping mechanism, the perforating cutter 52 and the threading rod 61 return back, and the rope A can be remained in the rope through hole at the paperboard crease, after the threading rod 61 and the perforating cutter 52 return back, the two side pushing and folding mechanisms of the paperboard folding device 40 reset, so that the paperboards are unfolded, the rope A is stably and effectively laid at the perforating position of the paperboards, the rope A is prevented from falling from the perforations on the paperboards, then the clamping mechanism of the paperboard folding device 40 loosens the two sides of the paperboards, the paperboards are completely penetrated, then the semi-finished packing paper boards after being threaded are led out, and are orderly stacked through equipment, so as to complete the production of the semi-finished product of the packing box.

Further, the cord can be effectively fixed at the position of the rod end of the cord threading rod 61, the rod end of the cord threading rod 61 is provided with a cord threading hole 611, and two ends of an opening of the cord threading hole 611 extend out of the outer wall and the rod end of the cord threading rod 61 and are obliquely arranged;

one end of the thread rope A is pulled off from one end of the winding roller, then one end of the thread rope A is penetrated through a threading hole 611 of a threading rod 61, so that the thread rope is exposed at the rod end of the threading rod 61, and under the action of a threading mechanism, the thread rope A is pulled to the position of the pipe orifice of a perforating cutter 52 of the perforating device 50, and then the threading operation of the thread rope A is realized.

As a preferable mode of the present invention, a sliding groove 612 is provided on the shaft of the rope threading rod 61, an extrusion head 613 is slidably provided in the sliding groove 612, an end of the extrusion head 613 is close to or away from the rope threading hole 611, an end of the extrusion head 613 is provided in a zigzag shape, a sliding direction of the extrusion head 613 is parallel to a rod length direction of the extrusion head 613, an extrusion spring 614 is provided in the sliding groove 612, and both ends of the extrusion spring 614 are respectively abutted against the extrusion head 613 and a groove wall at one end of the sliding groove 612;

in order to prevent one end of the cord a withdrawn from the moving cord threading rod 61 from falling off from the cord threading hole 611 at the end of the cord threading rod 61 at will, the pressing head 613 is abutted against the wall of the cord threading hole 611, so that the cord a can be pressed tightly, and the problem that the cord a falls off in the process of being pulled apart and moved is avoided;

the extrusion head 613 is arranged in a zigzag shape, so that the clamping operation of the cord a can be effectively realized, and the cord a is prevented from falling off from the end of the cord threading rod 61 at will;

as a preferable aspect of the present invention, in order to ensure that the extrusion friction force of the cord a is reduced during the retraction of the cord threading rod 61, and to ensure that the cord a can smoothly slide along the cord threading hole 611, the front end of the extrusion head 613 is inclined and extends along the cord threading hole 611, the rod end of the extrusion head 613 is provided in a ball head shape and abuts against the wall of the cord threading hole 611, so as to clamp the cord a, and the cord a is pushed tightly, so that the cord a is prevented from randomly falling off from the cord threading rod 61, and when the cord threading rod 61 is reset, the cord a can normally slide along the channel formed between the extrusion head 613 and the cord threading hole 611 under the action of the cord clamping mechanism, so that the cord a can be threaded through the opening formed in the paper board, and the cord threading operation of the paper board is completed, and the cord threading rod 61 has a simple structure, so that the cord threading efficiency can be effectively improved, and the structure of the cord threading rod 61 can be simplified, the rope threading rod 61 is more stable and reliable.

In order to clamp the cord a, the sliding direction of the extrusion head 613 is parallel to the rod length direction of the extrusion head 613, an extrusion spring 614 is arranged in the sliding groove 612, two ends of the extrusion spring 614 are respectively abutted against the extrusion head 613 and the groove wall at one end of the sliding groove 612, so that the extrusion head 613 is close to the hole wall of the threading hole 611 under the elastic extrusion force of the extrusion spring 614, and further the clamping operation on one end of the cord a is realized.

In order to ensure that one end of the rope a extends to protrude to the position of the rod end of the rope penetrating rod 61, two supporting steel wires 615 are arranged at the rod end of the rope penetrating rod 61 in an overhanging manner, and the supporting steel wires 615 are respectively arranged on two sides below the rope penetrating hole 611 of the extrusion head 613;

the thread rope A is firstly wound on the winding roller, and after being pulled apart, the thread rope A penetrates through the thread penetrating hole 611 at the end of the thread penetrating rod 61, one end of the thread rope A is clamped on the two supporting steel wires 615, so that one end of the thread rope A is stretched, deflection or bending of the thread rope A is avoided, the clamping operation of one end of the thread rope A can be smoothly realized by the thread clamping mechanism, the thread rope A can be smoothly sleeved in the thread penetrating hole formed in the paper board, and arrangement of the thread rope A is completed.

Further, in order to clamp one end of the wire rope a, the wire rope clamping mechanism comprises an upper wire rope clamping plate 621 and a lower wire rope clamping plate 622 which are arranged at the position of the pipe opening of the punching cutter 52, the upper wire rope clamping plate 621 and the lower wire rope clamping plate 622 are close to each other or far away from each other, the upper wire rope clamping plate 621 and the lower wire rope clamping plate 622 are close to each other and clamp the rope head of the wire rope a extending out of the pipe end of the wire rope threading rod 61;

the upper rope clamping plate 621 is close to the lower rope clamping plate 622, so that the clamping operation of the rope head of the rope A which is cantilevered at one end of the rope threading rod 61 can be effectively realized, the rope threading rod 61 returns, and the rope A can be arranged in the through hole of the paperboard in a penetrating manner.

Further preferably, the upper plate surface of the lower rope clamping plate 622 is provided with two arc-shaped grooves 6221 avoiding the supporting steel wire 615, the two arc-shaped grooves 6221 are arranged in parallel at intervals, the lower plate surface of the upper rope clamping plate 621 is provided with a rope clamping batten 6211, the rope clamping batten 6211 is parallel to the arc-shaped grooves 6221, and the rope clamping batten 6211 is located between the two arc-shaped grooves 6221;

when the upper rope clamping plate 621 and the lower rope clamping plate 622 are close to each other, the two supporting steel wires 615 protrude into the two arc-shaped grooves 6221 to ensure that the rope can be clamped between the two arc-shaped grooves 6221, and the rope clamping strip 6211 protrudes into the two arc-shaped grooves 6221, so that the clamping operation on one end of the rope A can be effectively realized, and the rope A can stay in the threading hole of the paperboard in the process that the rope threading rod 61 returns.

After the threading rod 61 retracts, the thread rope a integrally connected to the end of the threading rod 61 needs to be cut off to realize threading operation of the next paper board, and the other end of the threading rod 61 is provided with a thread rope cutting mechanism for cutting off the thread rope on the threading rod 61.

Specifically, the cord cutting mechanism includes a fixed cutter 63 disposed beside the cord threading rod 61, a cutting cutter 631 is disposed above the fixed cutter 63, and the cutting cutter 631 is close to or far from the fixed cutter 63 and performs a cutting operation on the cord a.

In order to guide and send the thread rope A, a thread rope roller 65 is arranged beside the rod end of the thread rope penetrating rod 61, a supporting thread roller 66 is arranged beside the thread rope roller 65, in order to tension the thread rope A, the supporting thread roller 66 is arranged on a roller bracket 661, one end of the roller bracket 661 is hinged on a rack, a tension spring 662 is arranged on the rack, and two ends of the tension spring 662 are respectively connected with the middle section of the roller bracket 661 and the rack, so that the supporting thread roller 66 is elastically tensioned;

the transition roller 682 is further arranged below the supporting wire roller 66, the transition roller 682 is also arranged at the top end of the rack sliding block 525, and the supporting wire roller 66 and the transition roller 682 are used for tensioning the wire rope A, so that the problem that the wire rope A is wound is solved.

In order to realize the movement of the stringing rod 61 along the tube cavity of the perforating cutter 52, one end of the stringing rod 61 is connected with a piston rod of the driving cylinder 67, the cabinet driving cylinder 67 is started, so that the rod end of the stringing rod 61 extends out of the tube opening of the perforating cutter 52 or extends into the tube cavity of the perforating cutter 52, the guide of the thread rope A is realized, and the thread rope A is positioned in the through hole e of the paper board, and the automatic stringing operation of the thread rope A is completed.

One end of the punching tool 52 extends out of the frame sliding block 525 and is provided with an avoiding flared tube 520 in an extending mode, the tube opening end of the avoiding flared tube 520 is a large-size end, avoiding of the cord A can be achieved through the avoiding flared tube 520, and cutting of the cord A is avoided.

Claims (7)

1. Opening rope handling device, its characterized in that: the packaging box punching device comprises a punching clamp plate (51), a punching cutter (52) is arranged beside the punching clamp plate (51), a rope threading rod (61) is arranged in a tube core of the punching cutter (52), the rod end of the rope threading rod (61) is used for clamping one end of a rope (A), the rope threading rod (61) drives the rope (A) to move along a tube cavity of the punching cutter (52) and enables the rope threading rod (61) to extend out of a tube opening at one end of the punching cutter (52), a rope threading mechanism drives the rope threading rod (61) to move along the tube cavity of the punching cutter (52), and a cutter driving mechanism drives the punching cutter (52) to move along the vertical direction of the moving direction of a packaging box and performs punching operation on a paper board overlapping position;

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);

a rope clamping mechanism is arranged at the position of a pipe orifice of the punching cutter (52), and is used for clamping a rope head at the end of the rope threading rod (61);

the rope threading rod comprises a rope threading rod (61), and is characterized in that a sliding groove (612) is formed in the rod body of the rope threading rod (61), an extrusion head (613) is arranged in the sliding groove (612) in a sliding mode, the end portion of the extrusion head (613) is close to or far away from a rope threading hole (611), the end portion of the extrusion head (613) is arranged in a sawtooth shape, the sliding direction of the extrusion head (613) is parallel to the rod length direction of the extrusion head (613), an extrusion spring (614) is arranged in the sliding groove (612), and two ends of the extrusion spring (614) are respectively abutted against the groove walls of the extrusion head (613) and one end of the sliding groove.

2. The opening lacing apparatus of claim 1, wherein: the punching tool (52) is tubular, sawteeth are arranged at the pipe opening, the punching tool (52) is driven to rotate by the tool driving mechanism, the tool driving mechanism comprises a driven gear (521) outside the pipe wall of the punching tool (52), the driven gear (521) is matched with a power gear (522), and a driving motor (523) drives the driven gear (521) to rotate.

3. The opening lacing apparatus of claim 1, wherein: 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).

4. The opening lacing apparatus of claim 1, wherein: the rod end of the rope threading rod (61) is provided with a rope threading hole (611), and two ends of an opening of the rope threading hole (611) extend out of the outer wall and the rod end of the rope threading rod (61) and are obliquely arranged.

5. The opening lacing apparatus of claim 4, wherein: the rope penetrating rod (61) is provided with two supporting steel wires (615) in an overhanging mode, and the supporting steel wires (615) are respectively arranged on two sides below a rope penetrating hole (611) of the extrusion head (613).

6. The opening lacing apparatus of claim 1, wherein: the rope clamping mechanism comprises an upper rope clamping plate (621) and a lower rope clamping plate (622) which are arranged at the position of a pipe opening of the punching cutter (52), the upper rope clamping plate (621) and the lower rope clamping plate (622) are close to or far away from each other, and the upper rope clamping plate (621) and the lower rope clamping plate (622) are close to each other and clamp the rope ends of the ropes (A) extending out of the pipe end of the rope threading rod (61).

7. The opening lacing apparatus of claim 6, wherein: the upper plate surface of the lower rope clamping plate (622) is provided with two arc-shaped grooves (6221) avoiding the supporting steel wires (615), the two arc-shaped grooves (6221) are arranged in parallel at intervals, the lower plate surface of the upper rope clamping plate (621) is provided with a rope clamping batten (6211), the rope clamping batten (6211) is parallel to the arc-shaped grooves (6221), and the rope clamping batten (6211) is located between the two arc-shaped grooves (6221).

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