CN110253945B

CN110253945B - Paperboard folding device

Info

Publication number: CN110253945B
Application number: CN201910510525.2A
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: 2020-11-24
Anticipated expiration: 2039-06-13
Also published as: CN112092451A; CN112092451B; CN110253945A

Abstract

The invention relates to a paperboard folding device, which comprises a rope line, wherein the rope line comprises an upper climbing rope and a lower climbing rope, the upper climbing rope and the lower climbing rope 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 and the lower climbing rope, clamping mechanisms are arranged on two sides of the channel for paper passing through and are used for clamping two sides of a paperboard, the clamping mechanisms are connected with a pushing and folding mechanism, the pushing and folding mechanism moves oppositely along the width direction of the channel for paper passing through, after the paperboard folding operation is finished, the paperboard is guided to the position of the paperboard folding device, the clamping mechanisms on two sides of the paperboard channel are started to carry out the clamping operation on two sides of the paperboard, then the upper climbing rope and the lower climbing rope are close to each other up and down, the pulling operation on the folding line is realized, the pushing and folding mechanism is started during the climbing operation on the upper climbing rope and the lower climbing rope, so that, the paperboard can be further clamped and compacted at the position of the crease, and the problem of rebound of the paperboard is avoided.

Description

Paperboard folding device

Technical Field

The invention relates to the technical field of packaging boxes, in particular to a paperboard folding 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 cardboard is implemented through the crease device in actual production to cardboard crease operation back, because the cardboard produces the unclear problem of crease easily when actual crease operation, and at actual crease operation in-process, the crease rebounds problem of reseing easily appears, leads to the packing carton finished product quality in later stage not high.

Disclosure of Invention

The invention aims to provide a paperboard folding device, which can effectively realize folding operation on a paperboard folding line, avoid the problem of resetting and rebounding of the folding line and ensure the quality of a finished product of a packaging box at the later stage.

The technical scheme adopted by the invention is as follows.

Cardboard folding device, cardboard folding device includes the rope line, the rope line includes climbing rope and climbing rope down, go up climbing rope and be close to each other or keep away from down, it is provided with the passageway that the sheet feed board passes through to go up between climbing rope and the climbing rope down, the passageway both sides that the cardboard passes through are provided with fixture, fixture is used for pressing from both sides the cardboard both sides tightly, fixture with push away a mechanism and be connected, push away a mechanism and remove along the passageway width direction that the cardboard passes through in opposite directions.

The invention has the technical effects that: after the cardboard crease operation finishes, make the cardboard lead to carry to cardboard coincide device position department, the fixture of cardboard passageway both sides starts, with the implementation to the tight operation of clamp of cardboard both sides, then it is close to from top to bottom to go up to climb the rope and climb down, thereby realize the taut operation to crease department, at last climbing rope and the time of the climbing operation of climbing down the rope, start and push away a mechanism, thereby realize turning over a book operation to the further of cardboard crease department, ensure that the cardboard is located crease department and can further press from both sides tightly and press from both sides the reality, avoid the cardboard to appear the problem of bounce-back.

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;

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

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 cardboard folding 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 opening operation on the raw paperboard, an opening convenient for crease is formed in one end of the raw paperboard so as to facilitate subsequent crease operation, and a position convenient for sealing the bottom of the packaging box is reserved so as to ensure the reliability of the sealing bottom of the packaging box; the paperboard cutting device cuts the paperboard and guides the cut paperboard into the crease device for crease operation, 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 along the creases and is guided out, the problem that the creases are not thorough and rebound is avoided, the paperboard folding machine can be compacted by the paperboard folding device 40, the integrity of the formed packaging box is ensured, the folded paperboard is provided with a threading hole at the position of the folding creases of the paperboard through the opening device, namely the opening, and then the threading device is used for threading the strapping tape into the threading hole, wherein the strapping tape can be a specially-made high polymer flexible cord, and the strapping effect on the packaging box can be effectively realized;

with reference to fig. 3 to 13, how the folded cardboard is folded is described in detail below:

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 9, 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 8, 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 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 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;

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 lower 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 abutting time of the upper climbing rope 41 and the lower climbing rope 42 with the upper plate surface and the lower plate surface of the paperboard is 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 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 13, 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. 12, 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, 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 13, 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.

The method of creasing a sheet of paper is described below, comprising the steps of:

firstly, preparing materials, namely stacking paper board raw materials with consistent length and width dimensions together and guiding and conveying the paper board raw materials into paper board guiding equipment, so that the paper boards are guided out into positioning equipment in a single paper board mode;

secondly, positioning the exported single paperboard by using positioning equipment, and then opening the paperboard by using opening equipment so as to facilitate subsequent crease operation;

thirdly, positioning the opened paper board, determining the position of the paper board, starting a paper board creasing device and performing creasing operation on the paper board;

the cardboard behind fourth step, the crease is led out, carries out the centre gripping to the cardboard both ends, implements the centre gripping to the cardboard both ends with fixture, and then utilizes the cotton rope to reciprocate for in the crease of cardboard is put into to the cotton rope, the cotton rope reciprocates, so that the crease forms the buckling of certain angle, then starts folding mechanism, implements the coincide to the cardboard.

In the fourth step, when the paper boards are stacked, the paper board stacking device 40 is used for stacking, the paper board stacking 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 the paper supply board 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.

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.

Two ends of the upper climbing rope 41 are arranged at one end of the first rocker arm 411, the other end of the first rocker arm 411 is movably arranged on the first lifting frame 412, two ends of the lower climbing rope 42 are arranged on the second rocker arm 421, and the other end of the second rocker arm 421 is movably arranged on the second lifting frame 422 to drive the first lifting frame 412 and the second lifting frame 422 to approach or separate from each other.

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 lift 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 lift frame 422.

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, the upper climbing rope 41 is abutted against a rim clamping groove of the first rope guide wheel 414, 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, the 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, the lower climbing rope 42 is abutted against the rim clamping groove of the second rope guide wheel 424.

The clamping mechanism comprises clamping plates 44 arranged on two sides of a channel through which the paper board passes, bayonets 441 used for clamping two sides of the paper board are arranged on the clamping plates 44, clamping plates 442 are arranged in the clamping plates 44, the clamping plates 442 are lifted and lowered and are close to or far away from the side walls above the bayonets 441, and the clamping plates 44 are arranged on a reset sliding rod 45 on the pushing and folding mechanism in a sliding mode.

One side of the clamping plate 44 is rotatably arranged on the reset sliding block 451 through a hinged shaft, the reset sliding block 451 is arranged on the reset sliding rod 45 in a sliding manner, and the hinged shaft of the clamping plate 44 is horizontal and parallel to the moving direction of the paper plate; the side wall below the bayonet 441 of the clamping chuck plate 44 is provided with a telescopic notch 443, the clamping plate 442 is arranged in the telescopic notch 443, the upper end of the clamping plate 442 protrudes out of the lower side wall of the bayonet 441 or is close to the upper side wall of the bayonet 441, the lower end of the clamping plate 442 is provided with a driven inclined surface 4421, a driving block 444 is arranged below the clamping plate 442, the front end of the driving block 444 is provided with a driving inclined surface 4441, the driving inclined surface 4441 is abutted against or separated from the driven inclined surface 4421, the driving block 444 is connected with a piston rod of a telescopic cylinder 445, the 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.

The pushing and folding mechanism comprises pushing clamp plates 46 arranged beside the clamping mechanism, and the pushing clamp plates 46 are close to or far away from each other; the reset sliding rod 45 is arranged on the pushing clamp plate 46, a pushing spring 452 is arranged on the reset sliding rod 45, and two ends of the pushing spring 452 are respectively abutted to the pushing clamp plate 46 and the reset sliding block 451.

The opposite side of the pushing jaw 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.

Claims

1. Cardboard folding device, its characterized in that: the paperboard 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 paperboards pass, the clamping mechanisms are used for clamping two sides of the paperboards, the clamping mechanisms are connected with the pushing and folding mechanisms, and the pushing and folding mechanisms move oppositely along the width direction of the channel through which the paperboards pass;

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 paper board passes;

the two ends of the upper climbing rope (41) are arranged at one end of the first rocker arm (411), the other end of the first rocker arm (411) is movably arranged on the first lifting frame (412), the two ends of the lower climbing rope (42) are arranged on the second rocker arm (421), the other end of the second rocker arm (421) is movably arranged on the second lifting frame (422), and the first lifting frame (412) and the second lifting frame (422) are driven to be close to or far away from each other.

2. The paperboard folding apparatus of claim 1, wherein: the other end of the first rocker arm (411) is arranged on a first ball seat (413), the first ball seat (413) is arranged on a first lifting rack (412), the other end of the second rocker arm (421) is arranged on a second ball seat (423), and the second ball seat (423) is arranged on a second lifting rack (422).

3. The paperboard folding apparatus of claim 2, wherein: 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), the 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) penetrates 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), the upper climbing rope (41) is abutted against the inside of the rim clamping groove of the first rope guide wheel (414), one end of the lower climbing rope (42) is connected with one end of one of the second rocker arms (421), the other second rocker arm (421) is provided with a second rope guide wheel (424), the wheel carrier of the second rope guide wheel (424) is rotatably arranged on the second rocker arm (421), and the other end of the lower climbing rope (42) penetrates through the wheel carrier of the second rope guide wheel (421) and is connected with the wheel carrier of the second spring (425) One end of the second spring (425) is connected, the other end of the second spring is hooked on the second rocker arm (421), and the lower climbing rope (42) is abutted against the rim clamping groove of the second rope guide wheel (424).

4. The paperboard folding apparatus of claim 1, wherein: the clamping mechanism comprises clamping boards (44) arranged on two sides of a channel through which the paper boards pass, bayonets (441) used for clamping two sides of the paper boards are arranged on the clamping boards (44), clamping plates (442) are arranged in the clamping boards (44), the clamping plates (442) lift and are close to or far away from the side walls above the bayonets (441), and the clamping boards (44) are arranged on reset sliding rods (45) on the pushing and folding mechanism in a sliding mode.

5. The paperboard folding apparatus of claim 4, wherein: one side of the clamping plate (44) is rotatably arranged on the reset sliding block (451) through a hinged shaft, the reset sliding block (451) is arranged on the reset sliding rod (45) in a sliding mode, and the hinged shaft of the clamping plate (44) is horizontal and parallel to the moving direction of the paper plate; the side wall of the lower portion of the bayonet (441) of the clamping plate (44) is provided with a telescopic notch (443), the clamping plate (442) is arranged in the telescopic notch (443), the upper end of the clamping plate (442) protrudes out of the lower side wall of the bayonet (441) or is close to the upper side wall of the bayonet (441), the lower end of the clamping plate (442) is provided with a driven inclined surface (4421), a driving block (444) is arranged below the clamping plate (442), the front end of the driving block (444) is provided with a driving inclined surface (4441), the driving inclined surface (4441) is abutted to or 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 a piston rod of the telescopic cylinder (445) is horizontal and is parallel to.

6. The paperboard folding apparatus of claim 5, wherein: the pushing and folding mechanism comprises pushing clamp plates (46) arranged beside the clamping mechanism, and the pushing clamp plates (46) are close to or far away from each other; reset slide bar (45) and set up on propelling movement splint (46), reset slide bar (45) is last to be provided with propelling movement spring (452), the both ends of propelling movement spring (452) lean on with propelling movement splint (46) and reset slider (451) respectively.

7. The paperboard folding apparatus of claim 6, wherein: and a clamping polished rod (461) is arranged on the opposite side of the pushing clamping plate (46), and the rod length direction of the clamping polished rod (461) is arranged along the guiding direction of the packing box.

8. The paperboard folding apparatus of claim 7, wherein: one side that propelling movement splint (46) carried on the back is connected with respective propelling movement cylinder (47) respectively, and the piston rod level of propelling movement cylinder (47) just is perpendicular with the direction of leading of packing carton, the rod end of propelling movement cylinder (47) is provided with push pedal (471), the push pedal (471) goes up the overhang and is provided with drive slide bar (472), drive slide bar (472) are parallel with propelling movement cylinder (47), the rod end and propelling movement splint (46) of drive slide bar (472) constitute sliding fit, the cover is equipped with drive spring (473) on drive slide bar (472), the both ends of drive spring (473) support with push pedal (471) and propelling movement splint (46) respectively and lean on.