CN117841457A - Packing carton folding device - Google Patents

Abstract

The application relates to the technical field of packaging and provides a packaging box folding device which comprises a blanking mechanism, a transmission piece, a guide folding mechanism and a flattening mechanism; the conveying piece is sequentially connected with the blanking mechanism, the guide folding mechanism and the flattening mechanism along the horizontal direction; the blanking mechanism is used for accumulating paperboard materials, and the paperboard is conveyed to the guide folding mechanism along the conveying piece; the paper board is characterized in that the guide folding mechanism is an initial section, a turnover section and a folding section along the horizontal direction of the transmission piece, the contact surface of the initial section and the paper board is gradually inclined to 90 degrees, the contact surface of the turnover section and the paper board is gradually inclined to 120 degrees from 90 degrees, the contact surface of the folding section and the paper board is inclined to 180 degrees from 120 degrees, the paper board is attached to the inclined surface of the guide folding mechanism in the transportation process of the transmission piece, and the paper board is conveyed from the initial section to the folding section and horizontally folded to 180 degrees. The paper board folding machine has the effects of automatically folding the paper board and reducing external abrasion.

Description

Packing carton folding device

Technical Field

The application relates to the technical field of packaging, in particular to a packaging box folding device.

Background

In various industries, in order to protect products, facilitate storage and transportation and promote sales in the product circulation process, paper packaging boxes or packaging boxes are used for packaging the products, and the carton packaging is the most widely applied packaging mode; the plastic box packaging box is different from wood box packaging, woven bag packaging and cloth bag packaging, and the carton packaging box has the characteristics of easy material taking, light weight, easy printing, easy design and forming, low cost and the like, and is widely used for selling and transporting the package of commodities.

Most of the packaging boxes use corrugated paper, the paper sheets are cut during production, the whole paper sheets are folded into required patterns manually or mechanically to facilitate subsequent folding and assembling or stacking, a large amount of character force is consumed in a manual folding mode, various scratches are easily generated on the paper sheet surfaces when the paper sheets are folded mechanically, the paper sheets are easy to damage, and the attractiveness of subsequent packaging is affected.

Disclosure of Invention

In order to improve the above problems, the present application provides a packing box folding device.

The application provides a packing carton folding device adopts following technical scheme:

a packing box folding device comprises a blanking mechanism, a transmission piece, a guide folding mechanism and a flattening mechanism; the conveying piece is sequentially connected with the blanking mechanism, the guide folding mechanism and the flattening mechanism along the horizontal direction; the blanking mechanism is used for accumulating paperboard materials, and the paperboard is conveyed to the guide folding mechanism along the conveying piece; the paper board is attached to the inclined surface of the guide folding mechanism in the transportation process of the transmission piece, the inclined surface of the guide folding mechanism is conveyed from the initial section to the folding section and horizontally folded to 180 degrees; the flattening mechanism is located at the tail end of the turnover section, receives the paper board from the tail end of the turnover section, and flattens the folded paper board.

Through adopting above-mentioned technical scheme, utilize unloading mechanism to carry the cardboard one by one through the transmission piece, when arriving the mechanism of leading the book in the transportation, turn over gradually along the inclined plane of initial section, turn over the section with turn over the section last, thereby turn over 180 with the cardboard from the limit of horizontal direction, turn over back flattening mechanism and continue the cardboard, and press the compaction with 180 hem flattening, thereby make the cardboard can turn over automatically, and gradually from 0 to 180 gradual buckling can reduce the circumstances that the cardboard directly atress is buckled and is damaged, guarantee that the holistic is complete after the cardboard is folded.

Optionally, the blanking mechanism comprises a stock frame, a limiting part, a rolling part and a pressing plate part; the material storage frame is connected with the transmission piece; the rolling part is arranged at one end of the stock frame, which is close to the guide folding mechanism, and the interval distance between the bottom end of the rolling part and the transmission piece is smaller than the thickness of the paperboard; the limiting part is connected with the transmission part in a telescopic way and is abutted with the surface of the paperboard at one end, far away from the guide folding mechanism, of the stock frame; the pressing plate part is in sliding connection with the stock frame and is abutted with the top surface of the paperboard.

Through adopting above-mentioned technical scheme, utilize spacing portion adaptation not unidimensional cardboard folding, adjust the flexible position back of spacing portion, place the cardboard in stock frame, reuse clamp plate portion is applyed the cardboard to the pressure of transmission piece for the cardboard can be compressed tightly in the transmission piece, make cardboard frictional force enough support stable transportation, in the transmission process, receive the effect of compressing of rolling portion, make the cardboard top surface can follow the pressure of rolling portion, the bottom surface contacts and removes with the transmission piece, make the cardboard can be stabilized and paste tight transmission piece and remove, avoid cardboard transmission position skew.

Optionally, the blanking mechanism further comprises an adjusting part; the adjusting part is in threaded connection with the stock frame and is positioned at one end of the stock frame, which is close to the guide folding mechanism; the rolling part is positioned below the adjusting part and is movably connected with the adjusting part.

Through adopting above-mentioned technical scheme, when adjusting part rotates along stock frame for adjusting part can drive the rolling part and reciprocate, and rolling part and adjusting part's swing joint can be time rolling part not receive adjusting part pivoted influence simultaneously for the cardboard of adaptation different thickness, avoid the cardboard to pass after and the interval distance between rolling part and the transmission piece is too little and make the cardboard be crushed by the rolling part.

Optionally, the stock frame is further provided with scale marks, and the scale marks are located beside the movable connection points of the adjusting part and the rolling part.

By adopting the technical scheme, the adjustment part can be more accurate when the height of the rolling part is adjusted by utilizing the scale marks.

Optionally, the flattening mechanism comprises a mounting part, a roller pressing part and a transmission part; the mounting part is mounted on the transmission piece; the roller pressing parts are provided with a plurality of roller pressing parts and are sequentially connected below the mounting parts; the transmission part is sleeved on the surfaces of the roller pressing parts and is contacted with the top surface of the paper board, so that the paper board is positioned between the transmission part and the transmission part.

Through adopting above-mentioned technical scheme, the drive unit cover is established on the roll-in portion, and the roll-in portion is installed in the installation department bottom surface for the unsettled setting of drive unit is in transmission piece top, and when the cardboard after folding moved to the transfer unit, the transfer unit received the frictional force of cardboard to compress tightly the hem department of cardboard, and the transfer unit rolls along the roll-in portion, thereby makes the cardboard turn over the back, hem department is compressed tightly the compaction.

Optionally, the installation part is also provided with a telescopic groove; the telescopic groove is connected with a separation part in a sliding mode, the rolling part is located on the separation part, and an elastic part is arranged between one end of the separation part located in the telescopic groove and the installation part.

Through adopting above-mentioned technical scheme, the partition portion utilizes the installation department of elastic part with flexible inslot wall to be connected, utilizes the elastic part to provide elasticity to the partition portion pushing down for roll-in portion and drive portion receive the influence of elastic part to exert elasticity to the cardboard, but can not crush the cardboard, provide certain cushioning effect simultaneously, adapt to the cardboard jolt condition in the transportation.

Optionally, the mounting portion is further provided with a pressing end, and the pressing end is located outside the transmission piece and has a level lower than that of the transmission piece; the pressing end is provided with a plurality of guide roller parts; the transmission part bypasses the guide roller part to the roller pressing part to form a closed loop.

Through adopting above-mentioned technical scheme, utilize the end of pushing down to press the cardboard after flattening the folding department down spacing, avoid the cardboard to break away from behind the transmission piece, receive inertial effect and continue to move forward and break away from the scope of collecting point, consequently, utilize the end of pushing down that is less than transmission piece level to block the cardboard, and guide the cardboard to collecting point, and utilize deflector roll portion to conduct drive portion to the end of pushing down, make the cardboard follow drive portion and move together, until breaking away from the transmission piece completely, guarantee that the cardboard can be stable and accurate drop to the terminal collecting point of transmission piece.

Optionally, the guide folding mechanism is further provided with an air pressing piece; the air pressure piece generates air flow and is aligned with the paperboard through the guide folding mechanism.

Through adopting above-mentioned technical scheme, after the pneumatic part produced the air current, the air current jet-propelled to the cardboard, and when the cardboard moved along with leading a mechanism, slightly blown by the air current and roll over, reduce the cardboard and lead the contact of a mechanism to reduce the cardboard and lead the frictional force of a mechanism, make the cardboard more stable transmission, also prevent the cardboard simultaneously and appear the mar.

Optionally, the air pressure piece comprises an air pump, an air conveying part and an air injection part; the air pump is connected to the transmission piece; the gas transmission part is arranged along the guide folding mechanism; the guide folding mechanism is provided with a plurality of air nozzles; each air jet is matched with one air jet part, and the air jet parts are communicated with the air transmission parts.

Through adopting above-mentioned technical scheme, form malleation in the air pump will conveying gas portion for the outside air of conveying gas portion suction is spouted from jet-propelled portion, and jet-propelled portion along the inclined plane of leading a roll mechanism communicate with the jet-propelled mouth in proper order, thereby when making jet-propelled portion blowout air current, can carry out the air current to the cardboard and promote and the clean self of air current punching press, reduces the cardboard and leads the contact frictional force of a roll mechanism, and the air current blows off dust or the wastepaper on cardboard surface simultaneously.

Optionally, the air pump is also connected with an air return part; the air return part is connected with the transmission piece and is positioned below the turnover section and lower than the horizontal height of the transmission piece.

Through adopting above-mentioned technical scheme, the portion of going back as the air extraction end of air pump can let produce absorptive air current, and when being located the below of turning over the section, the cardboard turns over 180 gradually when turning over the section, and the portion of returning air produces the suction with the cardboard bottom, makes the firm transmission piece that pastes of more cardboard, prevents cardboard position offset, clears away dust or the wastepaper of cardboard bottom simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the blanking mechanism is utilized to convey the paperboards one by one through the conveying piece, when the paperboards arrive at the guide folding mechanism in the conveying process, the paperboards are gradually folded along the inclined plane of the initial section, and finally pass through the overturning section and the overturning section, so that the paperboards are overturned for 180 degrees from the edges in the horizontal direction, the flattening mechanism is connected with the paperboards after overturning, and the 180-degree folded edges are flattened and compacted, so that the paperboards can be automatically overturned, and gradual bending from 0 degrees to 180 degrees can reduce the damage condition caused by direct forced bending of the paperboards, and the integrity of the whole folded paperboards is ensured;

2. the paper board is folded by utilizing the limit part to adapt to paper boards with different sizes, after the telescopic position of the limit part is regulated, the paper board is placed in the stock frame, and then the pressure applied to the transmission piece by the pressing plate part is applied to the paper board, so that the paper board can be pressed on the transmission piece, the friction force of the paper board is enough to support and stably transport, in the transmission process, the pressing effect of the rolling part is received, the top surface of the paper board can be along the pressure of the rolling part, the bottom surface of the paper board contacts with the transmission piece and moves, the paper board can be stably attached to the transmission piece to move, and the deviation of the transmission position of the paper board is avoided;

3. the paper board after being flattened at the folding part is limited downwards by the pressing end, so that the paper board is prevented from moving forwards under the action of inertia to separate from the range of the collecting point after being separated from the transmission part, the paper board is blocked by the pressing end lower than the horizontal height of the transmission part and is guided to the collecting point, and the transmission part is transmitted to the pressing end by the guide roller part, so that the paper board moves along with the transmission part until being completely separated from the transmission part, and the paper board can be ensured to stably and accurately drop to the collecting point at the tail end of the transmission part;

4. after the air pressure piece generates air flow, the air flow jets air to the paper board, when the paper board moves along with the guide folding mechanism, the paper board is slightly blown and folded by the air flow, and the contact between the paper board and the guide folding mechanism is reduced, so that the friction force between the paper board and the guide folding mechanism is reduced, the paper board is more stably transported, and meanwhile, scratches on the paper board are prevented.

Drawings

FIG. 1 is a schematic perspective view of a folding device according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a first perspective of a portion of a guide fold mechanism according to some embodiments of the present application;

FIG. 3 is a schematic perspective view of a blanking mechanism in some embodiments of the present application;

FIG. 4 is a schematic side view of a blanking mechanism portion in some embodiments of the present application;

FIG. 5 is a schematic perspective view of a leveling mechanism according to some embodiments of the present application;

FIG. 6 is a schematic view of a first cross-sectional configuration of a leveling mechanism in accordance with some embodiments of the present application;

FIG. 7 is a schematic diagram of a second cross-sectional configuration of a leveling mechanism in some embodiments of the present application;

FIG. 8 is a schematic view of a second perspective of a portion of a guide fold mechanism according to some embodiments of the present application;

FIG. 9 is a schematic view of a third perspective of a portion of a guide fold mechanism according to some embodiments of the present application;

the marks in the drawings are: 1. the blanking mechanism, 11, a stock frame, 12, a limiting part, 13, a rolling part, 14, a pressing plate part, 15, an adjusting part, 2, a transmission part, 3, a guide folding mechanism, 31, an initial section, 32, a turnover section, 33, a turnover section, 34, an anti-top part, 35, an air pressure part, 351, an air pump, 352, an air conveying part, 353, an air injection part, 354, an air return part, 4, a flattening mechanism, 41, an installation part, 411, a telescopic groove, 412, a pressing end, 413, a guide roller part, 42, a rolling part, 43, a transmission part, 44, a separation part, 45 and an elastic part.

Detailed Description

Additional advantages and capabilities of the present application will be readily apparent to those skilled in the art from the following detailed description of the present application. The present application may be embodied or applied in other specific forms and details, and various modifications and alterations may be made to the details of the present application from different points of view and application without departing from the spirit of the present application. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The embodiments of the present application will be described in detail below with reference to the drawings so that those skilled in the art to which the present application pertains can easily implement the same. This application may be embodied in many different forms and is not limited to the embodiments described herein.

In the description of the present application, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples, and features of the various embodiments or examples, presented herein may be combined and combined by those skilled in the art without conflict.

Furthermore, the terms "first," "second," and the like, are used merely for purposes of referring to objects, and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the context of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. In addition, when a certain component is said to be "included" in a certain device, unless otherwise stated, other components are not excluded, but it means that other components may be included.

The present application is described in further detail below with reference to fig. 1-9.

The embodiment of the application discloses a packing carton folding device.

A packing box folding device, referring to fig. 1, is used for packing of types of paperboards such as corrugated paper, and specifically comprises a blanking mechanism 1, a transmission piece 2, a guide folding mechanism 3 and a flattening mechanism 4; the conveying part 2 is sequentially connected with the blanking mechanism 1, the guide folding mechanism 3 and the flattening mechanism 4 along the horizontal direction, the conveying part 2 can adopt a conveying belt and a bearing frame structure, the conveying belt is installed on the bearing frame, the bearing frame provides bearing and mounting points, the conveying belt is used as a conveying end for conveying paperboards, the head part of the conveying part 2 is the blanking mechanism 1, the tail part is the flattening mechanism 4, the middle conveying area is the mounting point of the guide folding mechanism 3, and the tail end of the flattening mechanism 4 can be provided with a collecting point such as a collecting basket or a collecting box, a connecting conveying belt and the like.

The blanking mechanism 1 is used for accumulating paperboard materials, the paperboard is conveyed to the guide folding mechanism 3 along the conveying piece 2, the paperboard is accumulated on the blanking mechanism 1, the lowest paperboard continuously moves along with the conveying piece 2 along with the operation of the conveying piece 2, and when the lowest paperboard moves, the next paperboard falls down to be in contact with the conveying piece 2 and continuously moves along with the operation of the conveying piece 2, so that the paperboard is sequentially conveyed.

Referring to fig. 2, the guide folding mechanism 3 is located at the middle of the conveying member 2, and is an initial section 31, a turnover section 32 and a turnover section 33 along the horizontal direction of the conveying member 2, and the three stages respectively fold the cardboard into different shapes until the folding is complete.

The contact surface of the initial section 31 with the cardboard is gradually inclined to 90 °, i.e. the inclination is gradually changed starting from 0 ° of the inclined surface of the initial section 31, so that when the cardboard contacts the inclined surface of the initial section 31, the cardboard starts to gradually bend along the inclined surface until it is folded to approximately 90 °.

The contact surface of the turning section 32 with the cardboard is gradually inclined from 90 ° to 120 ° so that the cardboard enters the turning section 32 from the initial section 31 and continues to gradually bend along the inclined surface until it is folded to approximately 120 °.

Wherein, when being located upset section 32, the inclined plane of upset section 32 can adopt the gyro wheel to replace, and the gyro wheel sets up each other side by side to the angle that stretches out gradually is inclination, and the contact point of gyro wheel and cardboard is located the turn-over point, utilizes the frictional force of gyro wheel reducible cardboard, also can not make inclined plane and cardboard produce too big friction and appear the mar simultaneously, also makes the cardboard turn over more easily.

The contact surface of the folding section 33 with the cardboard is inclined from 120 ° to 180 °, wherein rollers can also be used for the folding section 33.

The guide folding mechanism 3 further includes an anti-top piece 34, the anti-top piece 34 is mounted on a side edge of the transmission piece 2 and is not in contact with a transmission end of the transmission piece 2, and a distance slightly greater than the thickness of the paper board exists between the anti-top piece 34 and the transmission end, so that the paper board is conveyed along the lower portion of the anti-top piece 34 in the transmission process, when the paper board touches an inclined surface of the initial section 31, the paper board is blocked to generate an upward jacking force, so that the paper board is jacked, and the position of the paper board is limited by the anti-top piece 34, so that the paper board cannot be jacked but is stably conveyed along the initial section 31 to the turnover section 33.

Wherein, the bottom of the anti-top piece 34 can be provided with rollers, and the rollers can be contacted with the top surface of the paperboard to further limit the jacking condition of the paperboard.

In the transportation process of the paperboard following transmission piece 2, the inclined surface of the guide folding mechanism 3 is always attached, so that the paperboard is conveyed from the initial section 31 to the folding section 33 and folded to 180 degrees from the horizontal, the flattening mechanism 4 is positioned at the tail end of the folding section 33, the paperboard is received from the tail end of the folding section 32, and the paperboard which has been folded for 180 degrees can be flattened.

Specifically, the blanking mechanism 1 is utilized to convey the paperboards one by one through the conveying piece 2, when the paperboards arrive at the guide folding mechanism 3 in the conveying process, the paperboards are gradually folded along the inclined plane of the initial section 31 and finally pass through the turnover section 32 and the turnover section 33, so that the paperboards are turned over 180 degrees from the edges in the horizontal direction, the flattening mechanism 4 is used for continuing the paperboards after being turned over, and the 180-degree folded edges are flattened and compacted, so that the paperboards can be automatically turned over and cannot be damaged.

Further, referring to fig. 3 and 4, the discharging mechanism 1 includes a stock frame 11, a limiting portion 12, a rolling portion 13, and a pressing plate portion 14; the blanking mouth has been seted up to stock frame 11 bottom, and the blanking mouth is located transmission piece 2 top, and the accumulation of cardboard can be provided to the inside stock space that sets up of stock frame 11 to stock frame 11 both sides shelter from the cardboard, can avoid the cardboard to drop from both sides, and the blanking mouth is also stock frame 11 bottom for open state, and open state's stock frame 11 can let the cardboard of piling up drop to the transmission piece 2 of below.

The rolling part 13 is arranged at one end of the stock frame 11, which is close to the guide folding mechanism 3, and the interval distance between the bottom end of the rolling part 13 and the transmission piece 2 is smaller than the thickness of the paper board, the rolling part 13 can adopt a roller group, the interval distance between the roller group and the transmission piece 2 is smaller than the thickness of the paper board, and the effect of the roller group and the transmission piece 2 is to apply pressure to the paper board, so that the paper board can be stably attached to the transmission piece 2 to move, and the deviation of the transmission position of the paper board is avoided.

The telescopic connection of spacing portion 12 is in transmission 2, and keep away from the cardboard surface butt of leading book mechanism 3 one end with stock frame 11, spacing portion 12 can adopt L type spacing and mount, spacing aligns the cardboard, and set up the slot on the spacing, and utilize slot and mount grafting, set up the screw thread groove on the mount, set up the adjustment mouth on the spacing, and adjustment mouth and slot intercommunication, utilize the bolt to run through adjustment mouth and screw hole spiro union, make spacing can slide along the mount, in order to reach flexible effect, when sliding to the position of cardboard adaptation, the spacing can be fixed in the mount to the screw bolt, the effect of spacing portion 12 lies in the cardboard of adaptation not unidimensional, all can provide stable spacing effect to the cardboard of equidimension.

The pressing plate part 14 is slidably connected with the stock frame 11 and is abutted against the top surface of the paperboard, the pressing plate part 14 can be a metal pressing plate, the metal pressing plate can be provided with a sliding block, a hinge frame is arranged between the metal pressing plate and the sliding block for pivotal connection, the stock frame 11 is provided with a sliding groove, and the metal pressing plate slides up and down along the sliding groove by utilizing the sliding block.

The pressing plate portion 14 is used for providing enough pressure for the paper board, so that the paper board can be pressed on the conveying member 2, and can stably move along the conveying member 2, particularly when the stacking amount of the paper board is smaller, the weight of the paper board is insufficient, and the friction force is easy to be insufficient and the paper board cannot move along with the conveying member 2, so that the pressing plate portion 14 is used for providing stable pressure, so that the paper board can move along with the conveying member 2 even though the paper board is continuously reduced, and meanwhile, the paper board can continuously slide downwards along the stock frame 11 when the paper board is continuously reduced, and the transportation of the paper board cannot be influenced.

When a new paperboard is required to be placed, the pressing plate part 14 is pulled upwards along the storage frame 11 and turned over along the hinge frame, so that the storage frame 11 can be opened, and stacking and discharging of the paperboards can be performed.

Specifically, the paperboards with different sizes are folded by utilizing the limiting part 12 to adapt, after the telescopic position of the limiting part 12 is adjusted, the paperboards are placed in the stock frame 11, the pressure applied to the conveying piece 2 by the pressing plate part 14 is applied to the paperboards, the paperboards can be pressed on the conveying piece 2, the friction force of the paperboards is enough to support stable transportation, in the conveying process, the paperboards are pressed by the rolling part 13, the top surfaces of the paperboards can be pressed along the rolling part 13, the bottom surfaces of the paperboards are contacted with the conveying piece 2 and move, the paperboards can be stably attached to the conveying piece 2, and the position deviation of the paperboards is avoided.

Further, the blanking mechanism 1 further comprises an adjusting part 15; the adjusting part 15 is in threaded connection with the stock frame 11 and is positioned at one end of the stock frame 11 close to the guide folding mechanism 3; the rolling part 13 is located the adjustment part 15 below, and with adjustment part 15 swing joint, adjustment part 15 can adopt the screw rod, and be provided with the twist grip on the screw rod, stock frame 11 is close to guide book mechanism 3 one end and is provided with the lug, and top-down is provided with the screw hole on the lug, the screw rod inserts threaded hole and lug spiro union, be provided with the pivot hole on the rolling part 13, the screw rod bottom is provided with the pivot piece, the pivot piece inserts in the pivot hole and is connected with rolling part 13 top surface pivot, accessible pivot piece rotates along the pivot hole when the screw rod rotates, receive the screw hole spiro union effect of lug simultaneously and drive rolling part 13 reciprocate, thereby adjust the height of rolling part 13 for the adaptation cardboard of different thickness, avoid the cardboard to pass the back and the interval between rolling part 13 and the transmission piece 2 is too little and make the cardboard be crushed by rolling part 13.

The stock frame 11 is further provided with graduation marks, the graduation marks are located beside the movable connection points of the adjusting part 15 and the rolling part 13, and the graduation marks can enable the adjusting part 15 to be more accurate when the height of the rolling part 13 is adjusted.

In some embodiments, referring to fig. 5, the flattening mechanism 4 includes a mounting portion 41, a roller press portion 42, and a transmission portion 43; the mounting portion 41 is mounted to the transmission member 2; the roller pressing part 42 is provided with a plurality of roller pressing parts and is sequentially connected below the mounting part 41; the transmission part 43 is sleeved on the surfaces of the roller pressing parts 42 and is contacted with the top surface of the paperboard, so that the paperboard is positioned between the transmission part 43 and the transmission part 2, the installation part 41 can adopt an installation frame, the roller pressing parts 42 can adopt roller pressing wheel sets, and the transmission part 43 can adopt a transmission belt.

The driving belt is sleeved on the rolling wheel set, and the rolling wheel set is arranged at the bottom of the installation frame, so that the driving belt is suspended above the transmission piece 2, when the folded paper board moves to the conveying belt, the conveying belt is pressed against the folded edge of the paper board by the friction force of the paper board, and rolls along the rolling wheel set, so that the paper board is pressed and compacted at the folded edge after being folded, and meanwhile, the conveying belt circularly rotates along the rolling wheel set, so that the deviation condition of the flattening position is reduced.

Further, referring to fig. 6, the mounting portion 41 is further provided with a telescopic slot 411, the telescopic slot 411 is slidably connected with a partition portion 44, the roller pressing portion 42 is located on the partition portion 44, an elastic portion 45 is disposed between one end of the partition portion 44 located in the telescopic slot 411 and the mounting portion 41, the partition portion 44 can adopt a partition frame or a partition plate, the partition portion 44 is located in the telescopic slot 411 and can slide along the telescopic slot 411, the elastic portion 45 can adopt a spring, the partition portion 44 is connected with the mounting portion 41 on the inner wall of the telescopic slot 411 by the elastic portion 45, the elastic portion 45 is used for providing elasticity to the partition portion 44 to press down, so that the roller pressing portion 42 and the transmission portion 43 are affected by the elastic portion 45 to apply elasticity to the paperboard, but cannot crush the paperboard, and meanwhile a certain buffering effect is provided, so that the paper board is adapted to the bumpy condition of the paperboard in the conveying process.

In another embodiment, referring to fig. 7, a plurality of telescopic slots 411 may be further provided, and a plurality of partition rods may be used for the partition portion 44, each partition rod is correspondingly inserted into one telescopic slot 411, an elastic portion 45 is disposed in each telescopic slot 411, and each roller pressing portion 42 is correspondingly connected with one partition rod, so that the roller pressing portions 42 are separated to compress the transmission portion 43.

Still further, referring to fig. 5, the mounting portion 41 is further provided with a pressing end 412, the pressing end 412 is located outside the conveying member 2, and the level of the pressing end 412 is lower than that of the conveying member 2, the pressing end 412 mainly functions to limit the cardboard pressed flat at the folding position downwards, so that the cardboard is prevented from moving forwards under the action of inertia and separating from the range of the collecting point after separating from the conveying member 2, and therefore, the cardboard is blocked by the pressing end 412 lower than that of the conveying member 2, and is guided to the collecting point.

The pressing end 412 is provided with a plurality of guide roller parts 413, the transmission part 43 bypasses the guide roller parts 413 to the roller pressing part 42 to form a closed loop, the guide roller parts 413 can be composed of a plurality of guide rollers, the guide roller parts 413 are used for providing contact points of the transmission part 43, and the transmission part 43 is continuously connected to the roller pressing part 42 after bypassing the guide roller parts 413, so that the stability of circulation is ensured.

The guide roller 413 is connected to the pressing end 412, and can continuously support the paper board by using the driving part 43 which follows rotation, so that the paper board moves along with the driving part 43 until the paper board is completely separated from the conveying member 2, and the paper board can be ensured to stably and accurately drop to the collecting point at the tail end of the conveying member 2.

In some embodiments, referring to fig. 8, the transmission member 2 and part of the guide folding mechanism 3 are hidden, and the guide folding mechanism 3 is further provided with a pneumatic element 35; the air pressure piece 35 generates air flow and penetrates the guide folding mechanism 3 to align to the paper board, after the air pressure piece 35 generates air flow, the air flow jets air to the paper board, when the paper board moves along with the guide folding mechanism 3, the paper board is slightly blown and folded by the air flow, so that the contact between the paper board and the guide folding mechanism 3 is reduced, the friction force between the paper board and the guide folding mechanism 3 is reduced, the paper board is stably conveyed, and scratch on the paper board is prevented.

Wherein, the jet effect that utilizes air compressor piece 35 to provide can also spout the filth such as shredded paper, dust on the cardboard to guarantee the holistic cleanliness after the cardboard is folded.

Further, referring to fig. 8, the air pressure member 35 includes an air pump 351, an air delivery portion 352, and an air injection portion 353; the air pump 351 is connected to the transmission member 2; the gas transmission part 352 is arranged along the guide folding mechanism 3; the guide folding mechanism 3 is provided with a plurality of air nozzles; each air jet is matched with an air jet 353, the air jet 353 is communicated with the air conveying part 352, the air conveying part 352 can adopt an air conveying pipe, the air jet 353 can adopt an air jet pipe, the air jet pipe is matched with the air jet, the inclination of the air jet pipe is consistent with that of the inclined plane of the guide folding mechanism 3, and the ejected air flow can be attached to the paper board in the guide folding state.

Specifically, the air pump 351 forms positive pressure in the air conveying part 352, so that the air conveying part 352 can draw in external air and spray the external air from the air spraying part 353, and the air spraying part 353 is sequentially communicated with the air spraying ports along the inclined surface of the guide folding mechanism 3, so that when the air spraying part 353 sprays air flow, the air flow can be pushed and punched to clean the paper board, the contact friction force between the paper board and the guide folding mechanism 3 is reduced, and meanwhile, the air flow blows dust or paper scraps on the surface of the paper board.

Still further, referring to fig. 9, the transmission member 2 and part of the guide folding mechanism 3 are hidden, the air pump 351 is further connected with an air return portion 354, the air return portion 354 is connected to the transmission member 2 and located below the folding section 33 and lower than the horizontal height of the transmission member 2, the air return portion 354 can adopt an air return pipe, the air return pipe is arranged along the transmission direction of the transmission member 2, and a plurality of air return holes are formed in the air return pipe.

The return part is used as the air extraction end of the air pump 351, so that the adsorbed air flow can be generated, when the air pump is positioned below the folding section 33, the paper board is gradually folded 180 degrees when passing through the folding section 33, and the return part 354 generates suction to firmly attach the bottom of the paper board, so that the paper board is firmly attached to the conveying piece 2, the position deviation of the paper board is prevented, and meanwhile, dust or paper scraps at the bottom of the paper board are removed.

In some embodiments, if the folding edge of the other side is required at the later stage of the cardboard, a bottom hooking structure may be provided, where the bottom hooking structure can hook the edge of the bottom, and after being folded along the inclined pressing plate, the bottom is pressed under by another folding edge passing through the guide folding mechanism 3, so as to provide an additional folding effect.

In some embodiments, if the bottom of the cardboard needs to be rubberized, then the transmission piece 2 is further provided with a rubberizing mechanism, the rubberizing mechanism comprises a double-sided tape wheel and a guide wheel, the double-sided tape wheel is wound with a plurality of circles of double-sided tape, a spacing space exists between the guide wheel and the double-sided tape wheel, and when the cardboard passes through the space between the guide wheel and the double-sided tape wheel, the double-sided tape is attached to the bottom of the cardboard.

Wherein, be provided with telescopic portion and resilience portion on the leading wheel, telescopic portion can adopt the combination of telescopic cylinder and telescopic link grafting, and resilience portion can adopt the spring for provide the resilience of telescopic link and telescopic cylinder, be used for adapting to constantly because of pasting the double faced adhesive tape's that constantly reduces in the cardboard double faced adhesive tape wheel, utilize resilience portion to compress tightly the cardboard with telescopic portion stability, even the double faced adhesive tape reduces gradually also can not influence the effect of pasting.

In some embodiments, a plurality of groups of flattening mechanisms 4 are also arranged on the conveying member 2 between the guide folding mechanism 3 and the blanking mechanism 1, and the flattening mechanisms 4 are mainly used for stably pressing the paper board on the conveying member 2 in the conveying process, so that the conveying member 2 provides a stable conveying effect.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The packing box folding device is characterized by comprising a blanking mechanism (1), a transmission piece (2), a guide folding mechanism (3) and a flattening mechanism (4); the conveying piece (2) is sequentially connected with the blanking mechanism (1), the guide folding mechanism (3) and the flattening mechanism (4) along the horizontal direction; the blanking mechanism (1) is used for accumulating paperboard materials, and the paperboard is conveyed to the guide folding mechanism (3) along the conveying piece (2); the paper guide folding mechanism (3) is provided with an initial section (31), a turnover section (32) and a folding section (33) along the horizontal direction of the transmission piece (2), the contact surface of the initial section (31) and the paper board is gradually inclined to 90 degrees, the contact surface of the turnover section (32) and the paper board is gradually inclined to 120 degrees from 90 degrees, the contact surface of the folding section (33) and the paper board is inclined to 180 degrees from 120 degrees, and the paper board is attached to the inclined surface of the guide folding mechanism (3) in the transportation process of the transmission piece (2), is conveyed from the initial section (31) to the folding section (33) and is horizontally folded to 180 degrees; the flattening mechanism (4) is located at the tail end of the turnover section (33), receives the paper board from the tail end of the turnover section (32), and flattens the folded paper board.

2. A pack folding device according to claim 1, wherein the blanking mechanism (1) comprises a stock frame (11), a limit part (12), a rolling part (13) and a pressing plate part (14); the material storage frame (11) is connected with the transmission piece (2); the rolling part (13) is arranged at one end of the stock frame (11) close to the guide folding mechanism (3), and the interval distance between the bottom end of the rolling part (13) and the transmission piece (2) is smaller than the thickness of the paperboard; the limiting part (12) is connected with the transmission piece (2) in a telescopic way and is abutted with the surface of the paperboard at one end, far away from the guide folding mechanism (3), of the stock frame (11); the pressing plate part (14) is connected with the stock frame (11) in a sliding way and is abutted with the top surface of the paperboard.

3. A pack folding device according to claim 2, wherein the blanking mechanism (1) further comprises an adjustment portion (15); the adjusting part (15) is in threaded connection with the stock frame (11) and is positioned at one end of the stock frame (11) close to the guide folding mechanism (3); the rolling part (13) is positioned below the adjusting part (15) and is movably connected with the adjusting part (15).

4. A pack folding device according to claim 3, wherein the stock frame (11) is further provided with graduation marks, the graduation marks being located beside the movable connection point of the adjusting part (15) and the rolling part (13).

5. A pack folding device according to any one of claims 1, wherein the flattening mechanism (4) comprises a mounting portion (41), a roller press portion (42) and a transmission portion (43); the mounting part (41) is mounted on the transmission piece (2); the roller pressing parts (42) are provided with a plurality of roller pressing parts and are sequentially connected below the mounting parts (41); the transmission part (43) is sleeved on the surfaces of the roller pressing parts (42) and is contacted with the top surface of the paper board, so that the paper board is positioned between the transmission part (43) and the transmission piece (2).

6. A pack folding device according to claim 5, wherein the mounting portion (41) is further provided with a telescopic slot (411); the telescopic groove (411) is connected with a separation part (44) in a sliding mode, the roller pressing part (42) is located on the separation part (44), and an elastic part (45) is arranged between one end of the separation part (44) located in the telescopic groove (411) and the mounting part (41).

7. A pack folding device according to claim 6, wherein the mounting portion (41) is further provided with a pressing end (412), the pressing end (412) being located outside the transfer member (2) and having a lower level than the transfer member (2); a plurality of guide roller parts (413) are arranged on the pressing end (412); the transmission part (43) bypasses the guide roller part (413) to the roller pressing part (42) to form a closed loop.

8. A pack folding device according to any one of claims 1-7, wherein the guide fold mechanism (3) is further provided with an air pressure member (35); the air pressure piece (35) generates air flow and is aligned with the paperboard through the guide folding mechanism (3).

9. A pack folding device according to claim 8, wherein the pneumatic member (35) comprises an air pump (351), an air delivery portion (352) and an air injection portion (353); the air pump (351) is connected to the transmission piece (2); the gas transmission part (352) is arranged along the guide folding mechanism (3); the guide folding mechanism (3) is provided with a plurality of air nozzles; each air jet is matched with one air jet part (353), and the air jet parts (353) are communicated with the air conveying part (352).

10. A pack folding device according to claim 9, wherein the air pump (351) is further connected with an air return (354); the air return part (354) is connected to the transmission piece (2) and is positioned below the turnover section (33) and lower than the horizontal height of the transmission piece (2).