CN218399616U

CN218399616U - Paperboard grooving machine

Info

Publication number: CN218399616U
Application number: CN202222002707.9U
Authority: CN
Inventors: 黄志文; 万四伟
Original assignee: Jiaxing Wozi Toys Co ltd
Current assignee: Jiaxing Wozi Toys Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-31
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a cardboard groover for solve current groover cardboard and carry out the technical problem that spacing limit structure self's restriction leads to the unable normal transport of cardboard to its width in transportation process. The automatic paper board correcting device comprises a workbench, a limiting assembly and a conveying assembly, wherein the workbench, the limiting assembly and the conveying assembly are sequentially arranged and used for placing paper boards, the conveying assembly comprises a plurality of conveying belts and a plurality of guide rods which are arranged in parallel, a side plate abutted against the conveying belts is arranged on the outer side of each conveying belt, an automatic correcting assembly is arranged above each conveying belt, the automatic correcting assembly is obliquely arranged along the conveying direction of the conveying belts and is oblique towards the direction deviating from the paper boards, one side of a single paper board entering the conveying assembly is attached to the guide rods, and the other side of the single paper board is clamped between the automatic correcting assembly and the guide belts; the cardboard can not appear breaking and even lead to the circumstances that equipment shut down in the process of carrying. The utility model discloses mainly used carton production and processing apparatus field.

Description

Paperboard grooving machine

Technical Field

The utility model relates to a carton production and processing apparatus field, concretely relates to cardboard groover.

Background

When the gray board is made into a box and needs to be formed, a grooving machine is adopted to cut out regular grooves and then the gray board is formed.

The prior Chinese patent with publication number of CN108527486A is a full-automatic paperboard grooving machine, the width and the thickness of a paperboard are limited through a positioning mechanism in the disclosed patent, the width of the paperboard is limited by a paper blocking plate when the paperboard is in an initial state, the width of the paperboard is limited by a width limiting unit in the conveying process, the two ends of the paperboard are located in width limiting plates in the width limiting unit when the paperboard is limited by the width unit, the width limiting plates are provided with downward steps, namely, the paperboard is conveyed in a process, when the two sides of the paperboard are respectively limited, the limit of angle adjustment of the paperboard is limited, when the deviated angle of the paperboard is large, the two sides of the paperboard can be gradually abutted to the side walls of the width limiting plates in the conveying process, and the breakage of the paperboard even stops the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is not enough to prior art, releases a cardboard groover for solve current groover cardboard and carry out spacing limit structure self's restriction to its width in transportation process and lead to the cardboard can provide the limited and then technical problem that leads to the unable normal transport of cardboard of the scope of angular adjustment when carrying out angular adjustment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cardboard groover, is including the workstation, spacing subassembly and the conveying subassembly that are used for placing the cardboard that set gradually, conveying subassembly includes parallel arrangement's many conveyer belts and many guide bars, every the outside of conveyer belt all sets up rather than the butt and fixes the curb plate on the workstation, one conveyer belt and one the guide bar is adjacent to be set up in order constituting a transport station, every the top of conveyer belt all sets up the automatic subassembly of rectifying, the automatic subassembly of rectifying along the direction of delivery slope of conveyer belt sets up and towards deviating gradually the direction slope of cardboard, the cardboard via sola enters into in proper order behind the spacing subassembly on the transport station, and one side laminating of this sola cardboard is in on the guide bar, the opposite side of this cardboard is held the automatic subassembly of rectifying with between the guide belt and in the in-process of carrying gradually with the curb plate laminating.

Further, the automatic subassembly of rectifying includes guide and a plurality of regulating part, and is a plurality of the regulating part along the axial interval of guide is fixed on the workstation, the guide is installed on the regulating part, the guide includes installation department and guide part, the guide part includes that a plurality of mounting points all are located same sharp leading wheel, all the equal coupling of leading wheel is in on the installation department, all the leading wheel along the direction of delivery equipartition of conveyer belt and towards the direction of keeping away from the cardboard equidistance skew in proper order.

Further, the regulating part includes fixed part and regulation portion, the fixed part is fixed on the workstation, the regulation portion is installed on the fixed part, the regulation portion includes along the perpendicular to conveyer belt direction of delivery sets up the regulation pole and fixes the regulating plate in the installation department outside, it rotates to install to adjust pole one end on the fixed part, the other end of adjusting the pole passes regulating plate and threaded mounting are on the regulating plate.

Furthermore, the fixing part is provided with a long circular adjusting hole for fixing the adjusting plate so as to adjust the clamping distance between the guide wheel and the conveying belt.

Further, set up the work groove on the workstation, along the perpendicular to in the work groove many fixed one sides of direction of delivery of conveyer belt are dentate structure's first installation pole and with the parallel and one-to-one's of first installation pole second installation pole, guide bar slidable mounting just is connected through the dentate structure meshing with the installed part on first installation pole and second installation pole, the installed part includes the dwang, rotates the dwang drives the guide bar along the axial reciprocating motion of first installation pole.

Further, the installed part still includes first mounting panel and second mounting panel, first mounting panel is fixed terminal surface under the guide bar, second mounting panel slidable mounting is in first installation pole with on the second installation pole, first mounting panel is fixed on the second mounting panel, first mounting panel with set up the cusp runner between the second mounting panel, the meshing of cusp runner is in on the first installation pole, the dwang rotates to be installed second mounting panel after-fixing is in on the cusp runner, just the free end of dwang is located the below of second mounting panel.

Furthermore, spacing subassembly is including the horizontal locating part that is used for restricting the cardboard width and be used for restricting cardboard thickness so that the cardboard sola enters into in proper order vertical locating part on the conveyer belt, set up the mounting bracket on the workstation, horizontal locating part with vertical locating part is installed respectively on the mounting bracket.

Further, horizontal locating part includes polylith parallel arrangement's horizontal limiting plate and is used for the installation the first slider of horizontal limiting plate, first slider slidable mounting is in on the mounting bracket, horizontal limiting plate is along the perpendicular to the direction setting of workstation, just the bottom laminating of horizontal limiting plate is in on the workstation.

Furthermore, the vertical locating part comprises a plurality of vertical locating rods arranged in parallel and a second sliding part used for installing the vertical locating rods, and the second sliding part is slidably installed on the installation frame.

Furthermore, a plurality of driving belts which are arranged in parallel are rotatably mounted on the workbench, at least two driving belts are arranged between one conveying station, one vertical limiting rod is arranged right above each driving belt, and a conveying interval for allowing one paperboard to pass through is reserved between each vertical limiting rod and each driving belt.

The utility model provides a cardboard groover, the cardboard is after entering into the transport station, one side of cardboard is laminated on the guide bar with the state of freedom always at the in-process of whole transport, the opposite side of cardboard is by the centre gripping between conveyer belt and the automatic subassembly of rectifying, in-process that the cardboard was carried, the automatic subassembly of rectifying can carry out the correction of position to the cardboard, because the automatic subassembly of rectifying sets up and inclines to the direction slope of skew cardboard along the direction of delivery of conveyer belt, the cardboard can be close to gradually and laminate on the curb plate in the conveyer belt outside at the in-process of rectifying automatically, its angular deviation is great when entering into the transport station for the cardboard, the both sides of cardboard all carry out the correction of angle with the state of freedom this moment, the angle of cardboard is being corrected the in-process by gradually, just one side of cardboard is thoroughly spacing gradually, the cardboard can not take place to break and lose the state that leads to the equipment to shut down even at the whole in-process that carries out the angle correction, the condition of breaking down can not take place for the transportation process of whole cardboard.

Drawings

FIG. 1 is a schematic structural view in the present embodiment;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is an enlarged view of the structure at C in FIG. 1;

FIG. 5 is an enlarged view of the structure at D in FIG. 1;

description of the reference numerals: 1. a work table; 1-1, a working groove; 1-2, mounting rack; 1-3, driving belt; 11. a conveyor belt; 11-1, side plates; 12. a guide bar; 13. a first mounting bar; 13-1, a first mounting plate; 13-2, a toothed rotating wheel; 13-3, rotating the rod; 14. a second mounting bar; 14-1, a second mounting plate; 20. a lateral limit piece; 21. a transverse limiting plate; 22. a first slider; 30. a vertical limiting member; 31. a vertical limiting rod; 32. a second slider; 33. an adjustment column; 40. a guide member; 41. an installation part; 42. a guide wheel; 50. an adjustment member; 51. a fixed part; 51-1, adjusting holes; 52. an adjusting plate; 53. and adjusting the rod.

Detailed Description

The technical solution of the present invention will be further explained with reference to fig. 1-5 and the embodiments.

As shown in fig. 1-2, a paperboard grooving machine comprises a workbench 1 for placing paperboards, a limiting component for limiting the paperboard and a conveying component for conveying the paperboard, wherein the conveying component comprises a plurality of conveying belts 11 and a plurality of guide rods 12 which are arranged in parallel, one conveying component and one guide rod 12 are arranged adjacently to form a conveying station, a side plate 11-1 abutted against the conveying belt 11 is arranged on the outer side of each conveying belt 11, the side plate 11-1 is fixed on the workbench 1, an automatic deviation rectifying component is arranged above each conveying belt 11, the automatic deviation rectifying component is arranged along the conveying direction of the conveying belt 11 and deviates towards the direction far away from the paperboard, the paperboards sequentially enter the conveying station through the limiting component, one side of each paperboard is attached to the guide rods 12, and the other side of each paperboard is clamped between the automatic deviation rectifying component and the conveying belt 11 and gradually attached to the side plate 11-1 under the action of the conveying belt 11 so as to realize correction of the angle of the paperboard and further guarantee accuracy of the grooving position.

The limiting assembly comprises a transverse limiting member 20 for limiting the width of the paper boards and a vertical limiting member 30 for limiting the thickness of the paper boards so that the single paper boards sequentially enter the conveying assembly.

As shown in FIG. 5, a mounting rack 1-2 is disposed on the workbench 1, and the horizontal limiting member 20 and the vertical limiting member 30 are slidably mounted on the mounting rack 1-2.

The mounting rack 1-2 comprises a transverse supporting rod and two vertical fixing rods, the two vertical fixing rods are symmetrically fixed on the workbench 1, two ends of the transverse supporting rod are respectively fixed on the two vertical fixing rods, the transverse supporting rod is of a rod-shaped structure with a rectangular cross section, a sliding groove is formed in the transverse supporting rod along the axial direction of the transverse supporting rod, and the transverse limiting part 20 and the vertical limiting part 30 are both slidably mounted in the sliding groove.

The transverse limiting piece 20 comprises a plurality of transverse limiting plates 21 arranged in parallel and a first sliding piece 22 used for installing the transverse limiting plates 21, the first sliding piece 22 is slidably installed in a sliding groove of the transverse supporting rod and fixed on the transverse supporting rod through a screw, and the two transverse limiting plates 21 are communicated with one conveying station.

The transverse limiting plate is arranged along the direction perpendicular to the workbench 1, and the bottom of the transverse limiting plate is attached to the workbench 1.

And adjusting the distance between two adjacent transverse limiting plates 21 to completely limit the width directions of the paperboards with different specifications.

Two vertical limiting parts 30 are arranged between two transverse limiting plates 21 communicated with one conveying station, two driving belts 1-3 which are driven by a motor and are parallel to the conveying direction of the paper boards are arranged on a workbench 1 right below the two vertical limiting parts 30, and a conveying distance for allowing a single paper board to pass through is reserved between each vertical limiting part 30 and each driving belt 1-3.

The vertical limiting member 30 includes a plurality of vertical limiting rods 31 and a second sliding member 32 for slidably mounting the vertical limiting rods 31 in the sliding grooves of the horizontal supporting rods, and the second sliding member 32 is fixed on the horizontal supporting rods by screws.

The distance between the vertical limiting rod 31 and the driving belts 1-3 is adjusted to adapt to the conveying requirements of paper boards with different specifications.

In practical application, a stack of paper boards is firstly placed on two driving belts 1-3 corresponding to one conveying station, at the moment, two sides of the paper boards in the width direction are just abutted to two transverse limiting plates 21, the end part of the paper boards close to one side of the conveying assembly is also just abutted to a vertical limiting rod 31, a motor is started, the driving belts 1-3 rotate to drive the lowermost paper board to move forwards along the direction of the driving belts 1-3, then the paper boards penetrate through the vertical limiting rod 31 and the driving belts 1-3 and enter the conveying assembly, after the paper boards enter the conveying assembly, one side of each single paper board is attached to a guide rod 12 in a free state, the other side of each paper board is clamped between an automatic deviation rectifying assembly and a conveying belt 11, and finally, the paper boards continue to move forwards under the driving of the conveying belt 11 and carry out angle correction through the automatic deviation rectifying assembly in the conveying process.

As shown in fig. 3 to 4, the automatic deviation rectifying assembly includes a guide 40 and a plurality of adjusting members 50, the plurality of adjusting members 50 being fixed to the table 1 at intervals along an axial direction of the guide 40, the guide 40 being mounted on the adjusting members 50.

The guide member 40 includes a mounting portion 41 and a guide portion, the mounting portion 41 is an elongated block-shaped structure, and the mounting portion 41 is disposed above the conveyor belt 11 along the conveying direction of the conveyor belt 11.

The guide part comprises guide wheels 42 with a plurality of mounting points all located on the same straight line, all the guide wheels 42 are connected to the mounting part 41 in a shaft mode, and all the guide wheels 42 are evenly distributed along the conveying direction of the conveying belt 11 and deviate towards the direction far away from the paper board in sequence at equal intervals.

The cardboard is clamped between the guide wheel 42 and the conveyor belt 11, is conveyed forwards under the driving of the conveyor belt 11, gradually approaches to the side plate 11-1 under the action of the guide wheel 42, and finally enters the next station in a state that one side of the cardboard is completely attached to the side plate 11-1.

Specifically, the guide wheels 42 clamped in the row and the paperboards of the conveyor belt 11 below the guide wheels 42 are driven by the conveyor belt 11 to be conveyed forward, so that the guide wheels 42 are driven to rotate, the guide wheels 42 in the row are distributed along the conveying direction of the conveyor belt 11 and gradually move away from the paperboards, that is, a straight line where mounting points of the guide wheels 42 in the row are located is inclined with a central axis of the conveyor belt 11, when the paperboards are conveyed along the conveyor belt 11, if the end portions, far away from the transverse limiting members 20, of the paperboards deviate towards a direction close to the guide rods 12, the deviated end portions of the paperboards rotate towards a direction gradually close to the side plates 11-1 due to sliding friction force generated between the paperboards and the paperboards during forward movement of the conveyor belt 11 due to rotation of the guide wheels 42 in the row, the side edges of the paperboards gradually abut against the side plates 11-1, the conveyor belt 11 continues to move, the paperboards have a certain thickness, abutting force larger than the sliding friction force is generated after the paperboards abut against the side plates 11-1, so that the whole side edges of the paperboards finally rotate further, and the side plates are abutted against the side walls of the side plates 11-1, and the side plates are prevented from being restricted by the side plates from rotating, and the side plates 12, and the side plates are in a state that the paperboard is prevented from being rotated after the paperboard is completely, and the paperboard is prevented from being positioned on the side plates 11; if the end of the cardboard far from the transverse limiting member 20 deviates towards the direction far from the guide rod 12, the deviated end of the cardboard is driven by the guide wheel 42 to be abutted with the side plate 11-1 quickly, and after the abutting, the cardboard is adjusted as described above and finally completely attached to the side wall of the side plate 11-1 to realize the deviation correction of the cardboard.

The adjusting member 50 includes a fixing portion 51 and an adjusting portion, the adjusting portion is mounted on the fixing portion 51, and the fixing portion 51 is fixed on the table 1.

The adjusting part comprises an adjusting plate 52 fixed on the outer side of the mounting part 41 and an adjusting rod 53 arranged along the direction perpendicular to the conveying direction of the conveying belt 11, one end of the adjusting rod 53 is rotatably mounted on the fixing part 51, the other end of the adjusting rod 53 penetrates through the adjusting plate 52 and is mounted on the adjusting plate 52 in a threaded manner, an oblong adjusting hole 51-1 is formed in the fixing part 51, and a bolt penetrates through the adjusting hole 51-1 and then is fixed on the adjusting plate 52 to fix the mounting part 41 on the fixing part 51.

When the thicknesses of the paperboards are different, the bolts fixed in the adjusting holes 51-1 are firstly disassembled, then the adjusting rod 53 is rotated clockwise or anticlockwise, the adjusting plate 52 moves up and down along the axial direction of the adjusting rod 53 to adjust the size of the clamping distance between the guide wheel 42 which is axially connected on the mounting part 41 and the conveying belt 11, and the paperboards with different thicknesses are clamped between the conveying belt 11 and the guide wheel 42.

As shown in fig. 1-2, a working groove 1-1 is formed in the working table 1, the guide rod 12 and the conveyor belt 11 are both arranged in the working groove 1-1, and a plurality of first mounting rods 13 with one side being in a tooth-shaped structure and second mounting rods 14 parallel to and in one-to-one correspondence with the first mounting rods 13 are further arranged in the working groove 1-1 along a conveying direction perpendicular to the conveyor belt 11.

The guide bar 12 is slidably mounted on the first mounting bar 13 and the second mounting bar 14 by a mounting member and engages with the toothed edge of the first mounting bar 13.

The mounting piece reciprocates along the axial direction of the first mounting rod 13 to drive the guide rod 12 to reciprocate so as to adapt to the conveying requirements of paperboards with different specifications.

The mounting part comprises a first mounting plate 13-1, a second mounting plate 14-1 and a toothed rotating wheel 13-2, one side of the first mounting plate 13-1 is fixed on the guide rod 12, the second mounting plate 14-1 is slidably mounted on the first mounting plate 13 and the second mounting plate 14, the first mounting plate 13-1 is fixed on the second mounting plate 14-1 through screws, the toothed rotating wheel 13-2 is arranged between the first mounting plate 13-1 and the second mounting plate 14-1, the toothed rotating wheel 13-3 is fixedly connected to the toothed rotating wheel 13-2, the rotating rod 13-3 penetrates through the second mounting plate 14-1 and extends out of the second mounting plate 14-1, and the rotating rod 13-3 is rotatably mounted on the second mounting plate 14-1, namely, the rotating rod 13-3 can only rotate, and the toothed rotating wheel 13-2 is meshed on the toothed side edge of the first mounting plate 13.

The rotating rod 13-3 rotates, the toothed rotating wheel 13-2 moves along the axial direction of the first mounting rod 13 to drive the guide rod 12 to move, and then the distance between the conveying stations formed between the guide rod 12 and the conveying belt 11 is adjusted to adapt to conveying requirements of paperboards of different specifications.

The working principle is as follows: when in use, a pile of paperboards is firstly placed on the driving belt 1-3 on the workbench 1, the distance between two adjacent transverse limiting plates 21 is adjusted so that the width direction of the pile of paperboards is limited, meanwhile, one end of the pile of paperboards close to the conveying component is just abutted against the vertical limiting rod 31, the conveying distance between the vertical limiting part 30 and the driving belt 1-3 is adjusted so that only a single paperboard can pass through the conveying distance, finally, the motor is turned on, the driving belt 1-3 is started, the lowest paperboard is attached to one end of the vertical limiting rod 31 close to the driving belt 1-3 and moves towards the conveying component, after the paperboard enters the conveying component, one side edge of the single paperboard is attached to the guide rod 12 forming one conveying station in a free state, the other opposite side edge of the paper board is clamped between the guide wheel 42 and the conveying belt 11, the conveying belt 11 rotates, the paper board is gradually attached to a side plate 11-1 located outside the conveying belt 11 under the correction of the guide wheels 42 which are sequentially deviated from the setting, in the angle correction process of the paper board, two sides of the paper board are in a free state from two initial ends to one side of the paper board in a free state, one end of the paper board is attached to the side plate 11-1, in the whole angle correction process, the condition that the paper board is broken and damaged or even equipment is stopped cannot occur, meanwhile, the guide rod 12 is meshed with the first installation rod 13 through the installation part, the position of the guide rod 12 is also simpler and more convenient to adjust, only the rotating rod 13-3 needs to be rotated, and the practicability of the whole equipment is better.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a cardboard groover, is including workstation (1), spacing subassembly and the conveying subassembly that is used for placing the cardboard that sets gradually, its characterized in that, conveying subassembly includes many conveyer belts (11) and many guide bars (12) of parallel arrangement, every the outside of conveyer belt (11) all sets up rather than the butt and fixes curb plate (11-1) of (1) on the workstation, one conveyer belt (11) and one guide bar (12) are adjacent to be set up in order constituting a transport station, every the top of conveyer belt (11) all sets up the automatic subassembly of rectifying, the automatic subassembly of rectifying along the direction of delivery slope of conveyer belt (11) sets up and is towards deviating gradually the direction slope of cardboard, the cardboard via spacing subassembly back sola enters into in proper order on the transport station, and one side laminating of this sola cardboard is in guide bar (12), and the opposite side of this cardboard is held the automatic subassembly of rectifying with laminate with curb plate (11-1) between conveyer belt (11) and gradually with the in-process of carrying.

2. A paperboard grooving machine according to claim 1, wherein the automatic deviation rectification assembly comprises a guide (40) and a plurality of adjustment members (50), the adjustment members (50) are fixed on the table (1) along an axial interval of the guide (40), the guide (40) is installed on the adjustment members (50), the guide (40) comprises an installation portion (41) and a guide portion, the guide portion comprises guide wheels (42) with a plurality of installation points all located on the same straight line, all the guide wheels (42) are coupled to the installation portion (41), and all the guide wheels (42) are uniformly distributed along the conveying direction of the conveying belt (11) and sequentially and equidistantly deviated in a direction away from the paperboard.

3. A paperboard grooving machine according to claim 2, wherein the adjusting member (50) comprises a fixing portion (51) and an adjusting portion, the fixing portion (51) is fixed on the table (1), the adjusting portion is installed on the fixing portion (51), the adjusting portion comprises an adjusting rod (53) disposed along a direction perpendicular to the conveying direction of the conveying belt (11) and an adjusting plate (52) fixed outside the installing portion (41), one end of the adjusting rod (53) is rotatably installed on the fixing portion (51), and the other end of the adjusting rod (53) passes through the adjusting plate (52) and is threadedly installed on the adjusting plate (52).

4. A machine according to claim 3, wherein said fixed portion (51) is provided with oblong adjustment holes (51-1) for fixing said adjustment plate (52) to adjust the clamping distance between said guide wheel (42) and said conveyor belt (11).

5. A paperboard slotting machine according to claim 4, wherein a working groove (1-1) is further formed in the working table (1), a plurality of first mounting rods (13) with tooth structures on one side and second mounting rods (14) parallel to the first mounting rods (13) and in one-to-one correspondence are fixed in the working groove (1-1) along the direction perpendicular to the conveying direction of the conveying belt (11), the guide rods (12) are slidably mounted on the first mounting rods (13) and the second mounting rods (14) and are in meshed connection with the tooth structures of the first mounting rods (13) through mounting pieces, the mounting pieces comprise rotating rods (13-3), and the rotating rods (13-3) are rotated to drive the guide rods (12) to reciprocate along the axial direction of the first mounting rods (13).

6. A paperboard grooving machine according to claim 5, wherein the mounting further comprises a first mounting plate (13-1) and a second mounting plate (14-1), the first mounting plate (13-1) is fixed to the lower end face of the guide bar (12), the second mounting plate (14-1) is slidably mounted on the first mounting bar (13) and the second mounting bar (14), the first mounting plate (13-1) is fixed to the second mounting plate (14-1), a toothed wheel (13-2) is disposed between the first mounting plate (13-1) and the second mounting plate (14-1), the toothed wheel (13-2) is engaged on the first mounting bar (13), the rotary bar (13-3) is rotatably mounted to the second mounting plate (14-1) and then fixed to the toothed wheel (13-2), and the free end of the rotary bar (13-3) is located below the second mounting plate (14-1).

7. A paperboard slotting machine according to any one of claims 1-6, wherein the limiting assembly comprises a transverse limiting member (20) for limiting the width of the paperboard and a vertical limiting member (30) for limiting the thickness of the paperboard so that single paperboard sequentially enters the conveying belt (11), a mounting frame (1-2) is further arranged on the working table (1), and the transverse limiting member (20) and the vertical limiting member (30) are respectively mounted on the mounting frame (1-2).

8. A paperboard grooving machine according to claim 7, characterized in that said transverse limiting member (20) comprises a plurality of parallel arranged transverse limiting plates (21) and a first slide (22) for mounting the transverse limiting plates (21), the first slide (22) being slidably mounted on the mounting frame (1-2), the transverse limiting plates (21) being arranged in a direction perpendicular to the table (1), and the bottom of the transverse limiting plates (21) abutting on the table (1).

9. A paperboard slotter according to claim 8, characterized in that said vertical stop (30) comprises a plurality of vertical stop bars (31) arranged in parallel and a second slide (32) for mounting said vertical stop bars (31), said second slide (32) being slidably mounted on said mounting frame (1-2).

10. A paperboard grooving machine according to claim 9, wherein the table (1) is further rotatably mounted with a plurality of parallel drive belts (1-3), at least two drive belts (1-3) are disposed at one transport station, one vertical limiting rod (31) is disposed directly above each drive belt (1-3), and a transport space is left between the vertical limiting rod (31) and the drive belts (1-3) for passing a single paperboard.