CN217803651U

CN217803651U - Corrugated roof and floor cover forming machine and upper-mold-free flanging mechanism thereof

Info

Publication number: CN217803651U
Application number: CN202221724303.4U
Authority: CN
Inventors: 陈永生; 金小德; 金少光
Original assignee: Pingyang County Ruike Machinery Co ltd
Current assignee: Pingyang County Ruike Machinery Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a flute world lid make-up machine and do not have upper die hem mechanism thereof, flute world lid make-up machine link up the lift pay-off suction nozzle between the support flitch of paper supply platform and no upper die hem mechanism including the paper supply platform, lift pay-off suction nozzle is even on horizontal migration puts up. The upper die-free flanging mechanism comprises a supporting plate and a flanging turning plate which are matched, a material sucking air nozzle is arranged on the supporting plate and provided with a material sucking port, the flanging turning plate is connected with a rotating shaft, and the working initial position of the flanging turning plate is located on the outer side of the supporting plate and is higher than the supporting plate. The edge folding is directly matched with the side edge of the paper board (namely the material) in the corrugated top and bottom cover forming machine, an additional edge folding machine or manual edge folding is not needed, the working procedures are reduced, the folded paper board does not need to be transferred and conveyed into the forming machine, the efficiency is relatively higher, and the occupied space is smaller; in addition, in the edge folding process, the upper die is not required to be matched with the side wall part of the corresponding paper box in the paper board, so that the influence of the upper die on the edge folding is avoided, and the edge folding is smoothly finished.

Description

Corrugated roof-and-floor cover forming machine and upper-die-free edge folding mechanism thereof

Technical Field

The utility model relates to a carton former, in particular to hem mechanism of flute world lid carton make-up machine.

Background

The top and bottom cover is a common type of carton, such as a corrugated top and bottom cover carton, which is commonly used for packaging, such as shoe packaging, and the like, and is made of corrugated cardboard, the cardboard is prefabricated cardboard, the prefabricated cardboard is usually subjected to die cutting and indentation in advance, in the forming process, two sides of the cardboard are usually subjected to edge covering (i.e. edge folding), and then subsequent forming is performed, such as mentioned in CN216330339U, after the two sides of the cardboard are subjected to edge covering by an edge covering machine, the cardboard is sent to a main machine part of a forming machine for subsequent forming, the process and the procedure are complex, and the edge covering machine is required to perform edge covering, so that the cost is increased, the occupied space is large, and the production line of the edge covering machine and the forming machine needs to be additionally connected to form the production line, which is troublesome.

The outer most of the left side and the right side of the prefabricated paperboard is a part (namely a folded edge part) needing edge covering, the middle part of the prefabricated paperboard is a main body part, a side wall part corresponding to the side wall of the carton is arranged between the main body part and the folded edge part (the side wall of the carton is formed by standing after forming), a crease line is arranged between the folded edge part and the side wall part, and the side wall part and the main body part are provided with crease lines. If the edge is folded (i.e. folded), the upper die is required to be lowered to press and fix the side wall part, otherwise, when the folded edge part is folded and folded, the side wall part is folded together due to the existence of the crease line, and the folded edge of the folded edge part cannot be stably and smoothly realized; however, if the upper die is used for pressing the side wall part, the existence of the upper die also influences the folding part of the interference paper board to fold and cover the edge, so that the folding part cannot fold and cover the edge in place, and the folding part cannot fold and cover the edge and stick to the (inner side) surface of the side wall part.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem that exists among the background art, the utility model aims at providing a flute sky ground lid make-up machine and no upper die hem mechanism thereof. It can be directly carry out the hem to the side of cardboard (being the material) in the make-up machine, need not extra flanging machine or the manual work and carries out the hem, reduces the commentaries on classics preface of cardboard and transfers, and efficiency is higher, and need not to go up the mould cooperation and push down the cardboard and can accomplish the hem smoothly.

In order to solve the technical problem, the utility model adopts the following technical scheme: the no upper die hem mechanism of flute world lid make-up machine turns over the board including matched with support flitch, hem, still including upset drive arrangement, its characterized in that: the support plate is provided with a material suction nozzle for sucking the side wall part of the corresponding paper box of the paper board, the material suction nozzle is provided with a material suction port, the folded edge turning plate is connected with a rotating shaft, the folded edge turning plate is provided with a working initial position and an inward turning in-place position, and the working initial position of the folded edge turning plate is positioned outside the support plate and higher than the support plate; the turnover driving device comprises a power source and is in transmission connection with the edge-folding turning plate.

The following optimization or further explanation can be performed on the above technical solutions.

The inward rotation in-place position of the folding turnover plate is matched and pressed above the material supporting plate, and the folding turnover plate is turned inwards from the working initial position to the inward rotation in-place position.

The flanging turnover plate is also provided with an outer rotation avoiding position, the inward rotation in-place position of the flanging turnover plate is positioned below the material supporting plate or flush with the material supporting plate, and the flanging turnover plate is outwards turned to the outer rotation avoiding position from the initial working position.

The pivot even has the upset support in the side of holding in the palm the flitch in the pivot, and the hem turns over the board and connects on the upset support, is connected with the driving arm between upset support and the upset drive arrangement, and driving arm one end is connected with the transmission of upset support, and the other end and the upset drive arrangement transmission of driving arm are connected, and the upset drive arrangement is including the motor or drive actuating cylinder.

The transmission arm is in transmission connection with the overturning bracket through a first hinge shaft, and the transmission arm is in transmission connection with the overturning driving device through a second hinge shaft; the overturning driving device further comprises a driving sliding plate, the driving sliding plate is provided with a linear guide rail, the motor or the driving cylinder is in transmission connection with the driving sliding plate, and the second hinged shaft is connected to the driving sliding plate.

The driving cylinder adopts a single cylinder or a double-stroke cylinder or a double-head cylinder;

or the driving cylinder is connected to a cylinder seat, the cylinder seat is provided with a linear slide rail, and the cylinder seat is connected with a power cylinder in a transmission way; the cylinder seat is hinged with a first connecting rod, the first connecting rod is hinged with a second connecting rod, the second connecting rod is hinged on the support, the cylinder body of the power cylinder is hinged on the support, and the piston rod of the power cylinder is hinged with the first connecting rod or the second connecting rod.

A buffer spring is arranged between the folding turnover plate and the turnover support, the folding turnover plate is also connected with a connecting rod, the turnover support is connected with a through hole, and the connecting rod is connected with the through hole; the turnover support is provided with a mounting plate, the edge-folding turnover plate is connected to the mounting plate, and the through hole is formed in the mounting plate; the folding turnover plate is arranged at the side edge of the material supporting plate, the material suction nozzle also comprises a sucker or a rubber pad, and the material suction port is positioned in the sucker or the rubber pad.

The left support plate and the right folding turnover plate are arranged in a left group and a right group, the left support plate and the folding turnover plate of the left group are connected to the left bracket, the folding turnover plate of the left group is arranged at the left side edge of the corresponding support plate, and the left bracket is arranged on the rack in a left-right moving adjustment mode; the right group of the material supporting plates and the flanging turning plates are connected to the right bracket, the flanging turning plates of the right group are arranged at the right side edges of the corresponding material supporting plates, and the right bracket is arranged on the rack in a left-right moving adjustment mode.

The lifting feeding suction nozzle is arranged above the material supporting plate and connected to the horizontal moving frame.

Corrugated top and bottom cover forming machine, including the paper supply platform, its characterized in that: the corrugated roof and floor cover forming machine is characterized by also comprising a non-upper die flanging mechanism of the corrugated roof and floor cover forming machine, wherein a lifting feeding suction nozzle is connected between the paper supply table and a material supporting plate of the non-upper die flanging mechanism and is connected to the horizontal moving frame.

The utility model has the advantages that the side edge of the paper board (namely the material) is folded directly in the corrugated top and bottom cover forming machine without an additional edge folding machine or manual edge folding, so that the working procedures are reduced, the folded paper board is not required to be transferred and conveyed into the forming machine, the efficiency is relatively higher, and the occupied space is smaller; in addition, in the edge folding process, the upper die is not required to be matched with the side wall part of the corresponding paper box in the paper board, so that the influence of the upper die on the edge folding is avoided, and the edge folding is smoothly finished.

Therefore, compared with the prior art, the utility model has substantive characteristics and progress.

Drawings

The following describes the details and working principles of the embodiments and examples of the present invention with reference to the accompanying drawings.

Fig. 1 is a front view of an embodiment of the present invention, wherein the folding flap is in the initial working position.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic perspective view of fig. 1.

Fig. 4 is a schematic structural view of a set of retainer plates and folding edge turning plates in fig. 3.

Fig. 5 is another angle structure diagram of fig. 4.

Fig. 6 is another angle structure diagram of fig. 5.

Fig. 7 is another angle structure diagram of fig. 6.

Fig. 8 is another angle structure diagram of fig. 7.

Fig. 9 is a front view of another embodiment of the folding mechanism without the upper die of the present invention, wherein the folding flap is in the initial working position.

Fig. 10 is a schematic view of the hem flap of fig. 9 in an inwardly turned position.

Fig. 11 is a schematic view of the hem flap of fig. 9 in an outward turning position.

Fig. 12 is a schematic perspective view of fig. 11.

Fig. 13 is a schematic view of a hidden part of the structure in fig. 12.

Fig. 14 is a schematic view of the structure of fig. 13 from another angle.

Fig. 15 is a schematic view of the structure of fig. 14 from another angle.

In the figure: 1. a material supporting plate; 2. folding and turning over the plate; 3. a material suction nozzle; 4. a material sucking port; 5. a rotating shaft; 6. a turnover driving device; 7. a power source; 8. turning over the bracket; 9. a transmission arm; 10. a driving cylinder; 11. a first hinge shaft; 12. a second hinge shaft; 13. driving the slide plate; 14. a linear guide rail; 15. a connecting rod; 16. a left bracket; 17. a right bracket; 20. a frame; 22. mounting a plate; 23. a rotating arm; 24. a transmission seat; 25. a cylinder block; 26. a linear slide rail; 27. a power cylinder; 28. a first link; 29. a second link; 30. and (3) a bracket.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to the drawings, in the embodiment of the present invention, a corrugated top and bottom cover forming machine is used for manufacturing a corrugated top and bottom cover (i.e., a corrugated top and bottom cover carton), in which a prefabricated corrugated board (usually subjected to die cutting and indentation, i.e., a material board) is formed and processed to manufacture a top and bottom cover carton, and the corrugated top and bottom cover carton includes a paper feeding table (not shown), the paper feeding table generally adopts a lifting paper feeding table, and a paper frame is driven to lift by power of a motor (such as a servo motor) and the like to cooperate with the material board; the corrugated top and bottom cover forming machine further comprises a non-upper-die edge folding mechanism, a lifting feeding suction nozzle (not shown) is connected between the paper supply table and the support plate 1 of the non-upper-die edge folding mechanism, the lifting feeding suction nozzle is connected to a horizontal moving frame (not shown), the lifting feeding suction nozzle can lift and can also move horizontally along with the horizontal moving frame (the paper supply table is connected with the non-upper-die edge folding mechanism through horizontal movement), the lifting feeding suction nozzle can also suck and release material paper boards, and the lifting feeding suction nozzle is matched to transfer the paper boards on the paper supply table to the support plate 1 of the non-upper-die edge folding mechanism. The lifting action of the lifting feeding suction nozzle can be driven by an air cylinder or a motor and the like, and the horizontal movement of the horizontal moving frame can be driven by the air cylinder or the motor and the like.

The upper die-free edge folding mechanism of the corrugated roof and floor cover forming machine comprises a support plate 1 and an edge folding turning plate 2 which are matched, wherein the edge folding turning plate 2 is matched with the side edge of a paper plate on the support plate 1 to carry out edge folding (namely edge folding). The material sucking air nozzle 3 is arranged on the material supporting plate 1 and used for sucking the side wall part of the paper box corresponding to the paper board, so that the fixed paper board (corrugated paper board, namely material) can be sucked, the side wall part of the corresponding paper box can be sucked, the phenomenon that the side wall part of the paper box is turned over in the process of turning over the side edge of the paper board by the subsequent turning plate 2 is avoided, and only the part of the side edge of the paper board needing to be turned over is folded. The material suction air nozzle 3 is provided with a material suction opening 4, and when the paperboard is placed on the material supporting plate 1 from top to bottom, the material suction air nozzle 3 can be matched to smoothly suck the paperboard and suck and fix the paperboard corresponding to the side wall part of the paper box. The hem turns over board 2 and is connected with pivot 5, and the hem turns over board 2 and can revolute 5 upset of making a round trip, and the cooperation is bordured the side of cardboard, realizes the hem.

The folding flap 2 has a working initial position and an inward turning position. In the initial working position, namely when the paper board is placed on the material supporting plate 1, the folding turning plate 2 waits for the initial position state that the folding action is not started yet. The inward turning in-place position is that the flanging turnover plate 2 turns inwards to in place to complete the flanging in-place position state, and the flanging works in place; the inward turning in-place position of the folding turning plate 2 is matched and pressed above the material supporting plate 1, wherein the folding turning plate 2 is turned inwards from the working initial position to the inward turning in-place position, and position switching is realized.

The working initial position of the flanging turning plate 2 is positioned at the outer side of the material supporting plate 1 and is higher than the material supporting plate 1, the flanging turning plate 2 is positioned at the outer side (namely the side edge) opposite to the material supporting plate 1, all the material supporting plates 1 are respectively provided with the corresponding flanging turning plates 2 at the left outer side and the right outer side as a whole, and a material paper plate is placed on the material supporting plate 1 in the middle so as to be matched with the left side and the right side of the paper plate to turn over and edge the edge to realize flanging in the middle direction (namely to the inner side); the work initial position that the hem turned over board 2 is higher than holding in the palm flitch 1, can cooperate and carry out the preflex to the cardboard side, place down at the in-process that holds in the palm flitch 1 when the material cardboard, the side of cardboard contacts earlier and leans on the hem turns over board 2, the hem that has not started the hem action turns over board 2 (be in work initial position, the hem that does not inwards overturn the hem) and takes place the interact with the cardboard of placing downwards, hem turn over board 2 (be in work initial position this moment, the hem that does not inwards overturn the hem) will push against the cardboard, carry out the preflex to the side of cardboard, the side of cardboard is inwards, the preliminary hem to the cardboard middle direction, the cardboard that places in place downwards will be held in the palm flitch 1, and accomplish the preflex (preliminary hem) of cardboard side, and it will be used for the cardboard to correspond the carton lateral wall portion to hold in the suction material air cock 3 cooperation of holding in the flitch 1 and fix, hem turns over board 2 inwards and starts the action (turn over the hem from work initial position to the enstrophy position), turn over the hem that turns over the cardboard after 2 cooperation will be further, the operation of turning over the hem again, the operation again to the time of turning over the operation again.

The turning driving device 6 comprises a power source 7 (such as a motor or an air cylinder and the like), the turning driving device 6 is in transmission connection with the folding turning plate 2, and the folding turning plate 2 is driven by the turning driving device 6 to turn inwards and outwards around the rotating shaft 5, so that the folding turning plate 2 is switched among various positions. The folding turning plate 2 is turned inwards from the working initial position to the inward turning in-place position to match with folding, and the folding turning plate 2 is turned outwards from the inward turning in-place position to the working initial position to reset.

The working principle is that in the corrugated roof and floor cover forming machine, a material paperboard on a paper supply table is sucked and lifted by a lifting feeding suction nozzle, then the material paperboard is horizontally moved to a non-upper-die flanging mechanism, the lifting feeding suction nozzle is moved to the position above a material supporting plate 1 without the upper-die flanging mechanism, then the material paperboard is placed on the material supporting plate 1 by descending, and after the material paperboard is placed in place, the lifting feeding suction nozzle returns (i.e. retreats) to wait for the next operation; in the flanging mechanism without an upper die, in the process of descending and placing the material paperboard, the flanging turning plate 2 at the working initial position is matched for pre-bending (namely, one-step flanging) to pre-bend the side edge of the paperboard, the material supporting plate 1 is placed on the material supporting plate 1, and the side wall part of the corresponding paperboard box is sucked and fixed by the material sucking air nozzle 3, so that the paperboard can be fixed, the side wall part of the corresponding paperboard box can be prevented from being folded, and the flanging of the side edge of the paperboard and the subsequent paper box forming are prevented from being influenced; the material cardboard is placed and is held fixed back on holding in the palm flitch 1, the hem turns over board 2 and begins the inside upset action, the hem turns over board 2 will be inwards from work initial position, to the middle direction upset of cardboard, the hem turns over 2 upset to the adversion position in place, the cooperation carries out the hem, the side that will be by the cardboard in advance is further the hem inwards (secondary hem promptly), the realization is wrapped to turning over of the side of cardboard, accomplish the hem, later the hem turns over board 2 return again (outside upset promptly) to work initial position, wait for next time operation.

The side edges of the paper boards can be smoothly turned in place through pre-folding, the folding effect is good, the folding lines are tidy and are not easy to break, the folding edges can be smoothly finished under the condition that the paper boards are pressed without the matching of an upper die, and meanwhile, the phenomenon that the folding edges are in place due to the interference of the upper die is avoided; in the hem in-process, through folding in advance and secondary hem, avoid not folding in advance directly just once turning over the cardboard side and roll over the problem that the cardboard aversion problem appears easily and crease position is irregular and cracked problem once, under the condition that does not fold in advance, directly turn over a cardboard that will make to be inhaled material air cock 3 and catch and move the aversion at the in-process of turning over a book, lead to the hem to go on smoothly.

The side edge of the paperboard (material) is folded in the forming machine directly in a matched mode, an additional folding machine or manual folding is not needed, procedures are reduced, the paperboard after folding is not needed to be conveyed to the forming machine in a transferring mode, efficiency is relatively high, occupied space is smaller, and the folding can be smoothly completed without pressing the paperboard (corresponding to the side wall portion of the paper box) in a matched mode.

The following optimization or further explanation can be made on the basis of the above embodiments, respectively.

For example, the material suction nozzle 3 further comprises a sucker or a rubber pad, the material suction opening 4 is located in the sucker or the rubber pad, the paperboard can be smoothly and stably sucked, and the suction effect of the material suction nozzle 3 in a negative pressure state is better. The material suction port 4 is generally arranged upwards, so that the arrangement is convenient. The folding flap 2 is disposed at a side edge (left and/or right side) of the retainer plate 1, for example, in the drawing, the folding flap 2 on the left side is disposed at the left side edge of the retainer plate 1, and the folding flap 2 on the right side is disposed at the right side edge of the retainer plate 1.

And in addition, the flanging turning plate 2 is additionally provided with an outward turning avoiding position, the inward turning in-place position of the flanging turning plate 2 is flush with the material supporting plate 1 or is positioned below the material supporting plate 1, and the flanging turning plate 2 is turned outwards from the working initial position to the outward turning avoiding position. The hem turns over board 2 and outwards overturns to turning over and dodges the position, let the hem turn over the position of board 2 and be less than and hold in the palm flitch 1 or flush with holding in the palm flitch 1, can let and ask the material to turn over board 2 and dodge the position, the top space of holding in the palm flitch 1 does not receive blockking, no cope match-plate pattern hem mechanism has in the flute world lid make-up machine, disjunctor carton make-up mechanism has again here, the position of holding in the palm flitch 1 can be regarded as the fashioned station of world lid and disjunctor carton, the hem turns over the board 2 and outwards overturns and dodges the position and do not influence the top space of holding in the palm flitch 1, can vacate the top space and supply the disjunctor carton shaping to use, spatial structure is more reasonable, a tractor serves several purposes. The folding turning plate 2 is driven by the turning driving device 6 to turn inwards and outwards, so that the folding turning plate 2 is switched among various positions. In the normal operation state of the flanging mechanism without the upper die, the flanging turning plate 2 is driven by the turnover driving device 6 to turn over and switch matched flanging between an inward turning in-place position and a working initial position; the flanging mechanism without the upper die stops at a standby state, the flanging turnover plate 2 is driven by the turnover driving device 6 to turn over to an outward turning avoiding position, the space above the material supporting plate 1 is vacated at the avoiding position, and the flanging turnover plate 2 can turn over to the outward turning avoiding position from an inward turning in-place position or a working initial position.

The edge folding turning plate 2 is arranged on the side edge of the material supporting plate 1 through the rotating shaft 5 and is matched with the material supporting plate to turn over for edge folding, and the structure mode is more. For example, pivot 5 is connected at the side of holding in the palm flitch 1, even has upset support 8 in pivot 5, the hem turns over board 2 and connects and install on upset support 8, be connected with driving arm 9 between upset support 8 and the upset drive arrangement 6, upset drive arrangement 6 will drive upset support 8 through driving arm 9 and revolute axle 5 and make a round trip to overturn (inside, outside upset promptly), driving arm 9 one end is connected with the transmission of upset support 8, the other end and the 6 transmission of upset drive arrangement of driving arm 9 are connected.

For example, the turnover driving device 6 includes a motor (such as a servo motor or a stepping motor) or a driving cylinder 10, and the driving cylinder 10 or the motor is used as the power source 7 of the turnover driving device 6; the turning bracket 8 may be an integral structure or a separate connection structure, for example, the turning bracket 8 has a rotating arm 23, a transmission seat 24 and a mounting plate 22 connected together in the figure.

Wherein, the transmission arm 9 is connected through the transmission of first articulated shaft 11 with upset support 8, the transmission arm 9 is connected through the transmission of second articulated shaft 12 with upset drive arrangement 6, upset drive arrangement 6 is still including drive slide 13, drive slide 13 disposes linear guide 14, the motor of upset drive arrangement 6 or drive actuating cylinder 10 and drive slide 13 transmission and be connected, second articulated shaft 12 is connected on drive slide 13, transmission stability is higher, drive actuating cylinder 10 through the motor and drive actuating cylinder and drive slide 13 along linear guide 14 round trip movement, again by drive slide 13 through second articulated shaft 12 drive transmission arm 9, it is inside to drive upset support 8 by transmission arm 9 again, outwards overturn, the hem turns over board 2 will be along with upset support 8 inwards, outwards overturn, thereby let hem turn over board 2 inwards overturn and outwards overturn, turn into the upset action with linear drive, transmission stability is high, hem turns over board 2 rotation angle can conveniently through the stroke position control of drive slide 13 linear movement. The linear guide rails 14 are arranged in a left-right direction.

For example, when the driving cylinder 10 is adopted by the turnover driving device 6 for transmission in a matching manner, the driving cylinder 10 is a single cylinder or a double-stroke cylinder or a double-head cylinder; wherein, the single cylinder has only one stroke in the operation process and can drive the flanging turnover plate 2 to switch the position between the 'working initial position' and the 'inward turning in-place position'; the double-stroke cylinder or the double-head cylinder has double strokes in the operation process, and can drive the flanging turnover plate 2 to switch positions between an inward turning in-place position, a working initial position and an outward turning avoiding position. Or, the driving cylinder 10 is connected to the cylinder block 25, the cylinder block 25 is provided with a linear slide rail 26, the cylinder block 25 can move along the linear slide rail 26, the cylinder block 25 is in transmission connection with a power cylinder 27, the power cylinder 27 drives the cylinder block 25 to move linearly, the driving cylinder 10 moves along with the cylinder block 25 to drive the folding turning plate 2 to turn over, and in addition, the driving cylinder 10 also drives the folding turning plate 2 to turn over when running, so that a double-cylinder structure is formed, and double strokes drive the folding turning plate 2 to switch positions between an inward turning position, a working initial position and an outward turning avoiding position; the power cylinder 27 can directly drive the cylinder seat 25 to move, and can also drive through a connecting rod structure, for example, the cylinder seat 25 is hinged with a first connecting rod 28, the first connecting rod 28 is hinged with a second connecting rod 29, the second connecting rod 29 is hinged on a support 30, a cylinder body of the power cylinder 27 is hinged on the support 30 (a folding turnover plate 2, a material supporting plate 1 and the like are installed, such as a left support or a right support below), a piston rod of the power cylinder 27 is hinged with the first connecting rod 28 or the second connecting rod 29, the connecting rod structure has good transmission stability, and the supporting stress effect is good after position switching.

Optimizing again, a buffer spring is arranged between the folding turning plate 2 and the turning support 8, the buffer spring enables the folding turning plate 2 to float and buffer relative to the turning support 8, the elastic force of the buffer spring provides the folding turning plate 2 and the turning support 8 for the folding turning plate 2, a connecting rod 15 is further connected to the folding turning plate 2, a through hole is connected to the turning support 8, the connecting rod 15 penetrates through the through hole to be connected, the connecting rod 15 axially moves in the through hole, even the connecting rod 15 and the through hole can axially move in a sliding guide matching mode, the folding turning plate 2 moves together with the connecting rod 15 to axially move, and the folding turning plate 2 floats relative to the turning support 8; in addition, one end of the connecting rod 15 is connected with the flanging turning plate 2, and the other end of the connecting rod 15 can be provided with a limiting block (such as a limiting nut), so that the distance can be conveniently adjusted and the spring pressure can be conveniently adjusted. A buffer spring (not shown) may be fitted over the connecting rod 15 and may be located between the roll-over stand 8 (e.g. its mounting plate 22) and the hem-turning plate 2. The folding turnover support 8 is additionally optimized to be provided with the mounting plate 22 (which can be integrated or separated), so that the folding turnover support is convenient to mount and connect, the folding turnover plate 2 can be connected to the mounting plate 22, the through holes are formed in the mounting plate 22, and the folding turnover support can be directly arranged on the folding turnover support 8.

The material supporting plates 1 can be one or more, all the material supporting plates 1 form a material supporting area (placed by paper feeding plates), the left side and/or the right side of the material supporting area are/is respectively provided with a folding edge turning plate 2, the left side and/or the right side of the material supporting area is/are provided with a folding edge turning plate 2, and the left side and/or the right side of a paper board can be folded. In the figure, the material supporting plate 1 and the folding turning plate 2 are arranged in a left group and a right group, so that the left and right position adjustment can meet the requirements of different paper board specifications, the material supporting plate 1 and the folding turning plate 2 of the left group are connected to the left support 16, the folding turning plate 2 of the left group is arranged at the left side of the corresponding material supporting plate 1, and the left support 16 moves left and right on the rack 20 to adjust the arrangement. The right group of material supporting plates 1 and the right group of flanging turning plates 2 are connected on a right bracket 17, the right group of flanging turning plates 2 are arranged at the right side edge of the corresponding material supporting plates 1, and the right bracket 17 is arranged on the machine frame 20 in a left-right movement adjusting mode. The corresponding positions are adjusted by adjusting the left and right positions of the left support 16 and the right support 17, so that different paperboard specification requirements are met. The corresponding overturning driving devices 6 can be respectively arranged on the corresponding left bracket 16 and the right bracket 17 and adjusted together. The left bracket 16 and the right bracket 17 can be adjusted in position by a screw nut mechanism (including screws 18 and 19), and can be adjusted in a linked manner or in a separated manner. Even a middle supporting plate can be arranged in the middle, and the auxiliary material supporting plate 1 is matched with the supporting material; the middle supporting plate and the material supporting plate 1 can be crossed and staggered, staggered openings can be formed for staggering, and the middle supporting plate can be arranged in a detachable mode.

For another example, the flanging mechanism without an upper mold further comprises a lifting and feeding suction nozzle (not shown), the lifting and feeding suction nozzle is configured above the material supporting plate 1, the lifting and feeding suction nozzle is connected to a horizontal moving frame (not shown), and the lifting and feeding suction nozzle is engaged and matched to transfer the paper plate on the paper supply table (not shown) to the material supporting plate 1 without the flanging mechanism with the upper mold and can also be matched to perform pre-folding.

The foregoing is a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto. For those skilled in the art, without departing from the scope of the present invention, it should be understood that various modifications, enhancements and equivalents may be made without departing from the scope of the present invention.

Claims

1. The no upper die hem mechanism of flute world lid make-up machine turns over board (2) including matched with support flitch (1), hem, still including upset drive arrangement (6), its characterized in that: a material suction air nozzle (3) used for sucking the side wall part of the corresponding paper box of the paper board is arranged on the material supporting plate (1), the material suction air nozzle (3) is provided with a material suction opening (4), the folded edge turning plate (2) is connected with a rotating shaft (5),

the folding turnover plate (2) has a working initial position and an inward turning in-place position,

the working initial position of the flanging turnover plate (2) is positioned at the outer side of the material supporting plate (1) and is higher than the material supporting plate (1);

the turnover driving device (6) comprises a power source (7), and the turnover driving device (6) is in transmission connection with the edge-folding turning plate (2).

2. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 1 wherein: the inward turning in-place position of the folding turnover plate (2) is arranged above the material supporting plate (1) in a matched and pressed mode, and the folding turnover plate (2) is turned inwards to the inward turning in-place position from the working initial position.

3. The upper mold-less hemming mechanism of a corrugated roof and floor covering molding machine of claim 1 wherein: the flanging turning plate (2) is also provided with an outward turning avoiding position, the inward turning in-place position of the flanging turning plate (2) is positioned below the material supporting plate (1) or is flush with the material supporting plate (1), and the flanging turning plate (2) is turned outwards from the working initial position to the outward turning avoiding position.

4. The upper mold-less hemming mechanism of a corrugated roof and floor covering molding machine of claim 1 wherein: the side of flitch (1) is held in the palm in pivot (5), even there is upset support (8) on pivot (5), the hem turns over board (2) and connects on upset support (8), be connected with between upset support (8) and upset drive arrangement (6) driving arm (9), driving arm (9) one end is connected with upset support (8) transmission, the other end and the upset drive arrangement (6) transmission of driving arm (9) are connected, upset drive arrangement (6) are including the motor or drive actuating cylinder (10).

5. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 4 wherein: the transmission arm (9) is in transmission connection with the overturning bracket (8) through a first hinge shaft (11), and the transmission arm (9) is in transmission connection with the overturning driving device (6) through a second hinge shaft (12); the overturning driving device (6) further comprises a driving sliding plate (13), the driving sliding plate (13) is provided with a linear guide rail (14), a motor or a driving cylinder (10) is in transmission connection with the driving sliding plate (13), and a second hinge shaft (12) is connected to the driving sliding plate (13).

6. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 5 wherein: the driving cylinder (10) adopts a single cylinder or a double-stroke cylinder or a double-head cylinder;

or the driving cylinder (10) is connected to a cylinder seat (25), the cylinder seat (25) is provided with a linear slide rail (26), and the cylinder seat is connected with a power cylinder (27) in a transmission manner; the cylinder seat (25) is hinged with a first connecting rod (28), the first connecting rod (28) is hinged with a second connecting rod (29), the second connecting rod (29) is hinged on the support (30), the cylinder body of the power cylinder (27) is hinged on the support (30), and the piston rod of the power cylinder (27) is hinged with the first connecting rod (28) or the second connecting rod (29).

7. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 4 wherein:

a buffer spring is arranged between the edge-folding turning plate (2) and the turning support (8), the edge-folding turning plate (2) is also connected with a connecting rod (15), the turning support (8) is connected with a through hole, and the connecting rod (15) is connected with the through hole;

the turning support (8) is provided with a mounting plate (22), the folding turning plate (2) is connected to the mounting plate (22), and the through hole is formed in the mounting plate (22);

the edge-folding turning plate (2) is arranged at the side edge of the material supporting plate (1), the material suction nozzle (3) also comprises a sucking disc or a rubber pad, and the material suction port (4) is positioned in the sucking disc or the rubber pad.

8. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 1 wherein:

the material supporting plate (1) and the flanging turnover plate (2) are arranged in a left group and a right group,

the left group of material supporting plates (1) and the flanging turning plates (2) are connected to a left support (16), the flanging turning plates (2) of the left group are arranged at the left side of the corresponding material supporting plates (1), and the left support (16) is adjusted in a left-right movement mode on the rack (20);

the right group of material supporting plates (1) and the flanging turning plates (2) are connected on a right bracket (17), the flanging turning plates (2) of the right group are arranged at the right side edge of the corresponding material supporting plates (1), and the right bracket (17) is adjusted and arranged in a left-right movement mode on a machine frame (20).

9. The upper die-less hemming mechanism of a corrugated roof and floor cover forming machine of claim 1 wherein: the lifting feeding suction nozzle is arranged above the material supporting plate (1) and connected to the horizontal moving frame.

10. Corrugated top and bottom cover forming machine, including the paper supply platform, its characterized in that: the corrugated roof and floor cover forming machine is characterized by further comprising an upper die-free flanging mechanism of the corrugated roof and floor cover forming machine as claimed in any one of claims 1 to 8, wherein a lifting feeding suction nozzle is connected between the paper supply table and a material supporting plate (1) of the upper die-free flanging mechanism and is connected to the horizontal moving frame.