CN111572098A - Automatic groover of cardboard - Google Patents

Automatic groover of cardboard Download PDF

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Publication number
CN111572098A
CN111572098A CN202010444970.6A CN202010444970A CN111572098A CN 111572098 A CN111572098 A CN 111572098A CN 202010444970 A CN202010444970 A CN 202010444970A CN 111572098 A CN111572098 A CN 111572098A
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CN
China
Prior art keywords
gear
sides
supporting rod
transmission
sliding
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Pending
Application number
CN202010444970.6A
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Chinese (zh)
Inventor
汪嘉宝
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010444970.6A priority Critical patent/CN111572098A/en
Publication of CN111572098A publication Critical patent/CN111572098A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20Cutting sheets or blanks
    • B31B50/22Notching; Trimming edges of flaps

Abstract

The invention relates to a grooving machine, in particular to an automatic paperboard grooving machine. The invention relates to an automatic paperboard grooving machine which is high in grooving efficiency and capable of ensuring the safety of workers during grooving. An automatic paperboard grooving machine comprises a base, wherein the top of the base is fixedly connected with a first supporting rod and a second supporting rod; the material carrying plate is fixedly connected between the tops of the first supporting rod and the second supporting rod and used for placing paper boards to be grooved; the mounting seats are two in number, the two mounting seats are located on two sides of the top of the base between the first supporting rod and the second supporting rod respectively, and a main shaft is connected between the mounting seats on the two sides in a rotating mode. According to the slotting machine, the paperboard is placed through the material carrying plate, and the motor and the slotting cutter are matched to slot the paperboard after the paperboard is placed, so that the slotting effect is achieved, a plurality of slots can be formed at one time, and the working efficiency is effectively improved.

Description

Automatic groover of cardboard
Technical Field
The invention relates to a grooving machine, in particular to an automatic paperboard grooving machine.
Background
The fruit is juicy, the main taste sense is sweet taste and sour taste, the fruit is edible plant fruit, the fruit not only contains rich nutrition, but also can promote digestion, the fruit is usually packaged in a box when being packaged and sold, when the fruit is packaged in the box, in order to avoid the damage of the fruit seal caused by collision in the transportation process, a paper board is generally placed in the box, and a groove for clamping the paper board is formed in the paper board, so that the fruit is separated.
At present, the mode of slotting the cardboard generally all is that the workman holds the cardboard with one hand and places the cardboard on the part of slotting, places the back that finishes, reciprocates by workman's operation part of slotting again and slots the cardboard, once only can open a groove, the workman still need remove the cardboard during the fluting, above-mentioned mode can only open a groove one at the fluting, work efficiency is lower to the part of slotting touches with the staff easily during the fluting, thereby causes the incident.
Disclosure of Invention
In order to overcome the defects that the working efficiency of the existing slotting mode is low and safety accidents are easily caused during slotting, the invention has the technical problems that: the automatic paperboard grooving machine is high in grooving efficiency and capable of ensuring safety of workers during grooving.
The technical implementation scheme of the invention is as follows: an automatic paperboard grooving machine comprises a base, wherein the top of the base is fixedly connected with a first supporting rod and a second supporting rod; the material carrying plate is fixedly connected between the tops of the first supporting rod and the second supporting rod and used for placing paper boards to be grooved; the two mounting seats are respectively positioned on two sides of the top of the base between the first supporting rod and the second supporting rod, and a main shaft is rotatably connected between the two mounting seats; at least two slotting tools are arranged, and the slotting tools are uniformly connected to the main shaft at intervals; the motor is arranged on the top of the base; and the fixing mechanism is arranged at the top of the base and used for fixing the paper board needing slotting.
Further, fixed establishment is including slide bar, limiting plate, sliding sleeve, clamp plate, buffer spring, pinion rack and sector gear, the slide bar is two settings, two slide bars rigid coupling respectively in base top both sides, limiting plate connects on the slide bar, sliding sleeve sliding type connects on the slide bar, buffer spring connects between sliding sleeve and limiting plate, the buffer spring cover is in the slide bar outside, the clamp plate is connected with between the sliding sleeve top of both sides, the clamp plate is located carries the flitch top, the pinion rack is two settings, two pinion racks rigid coupling respectively in both sides sliding sleeve lateral wall, sector gear is two settings, and two sector gear are located the main shaft both sides respectively, sector gear can mesh with the pinion rack.
Furthermore, the material carrying plate and the pressing plate are uniformly provided with through grooves corresponding to the number of the slotting tools at intervals.
Further, the material limiting device comprises a conveying device, the conveying device comprises support plates, a material limiting frame, flat belt wheels, flat belts, a transmission gear, a transmission semi-gear, a torsion spring, a push plate, a U-shaped tooth frame, a slide block and a conveying gear, the two support plates are arranged in two pieces, the two support plates are connected to two sides of the top of the base far away from the first supporting rod, the material limiting frame is fixedly connected between the two support plates and the top of the second supporting rod, a rotating rod is rotatably connected between the two support plates and penetrates through the two support plates, a transmission shaft is rotatably connected between the lower portions of the installation seats on two sides and penetrates through the installation seats on two sides, the flat belt wheels are arranged in four pieces, two flat belt wheels are fixedly connected to two ends of the rotating rod, the other two flat belt wheels are fixedly connected to two sides of the transmission shaft, the transmission gear is, the transmission semi-gear rigid coupling is in main shaft one end, and transmission semi-gear can mesh with drive gear, the torque spring cover is on the transmission shaft, the torque spring both ends are connected with plain belt wheel and mount pad respectively, the spout is opened in limit material frame bottom both sides, push pedal sliding connection is between the spout of both sides, U-shaped tooth frame rigid coupling is in the push pedal, the slider is two settings, and two sliders are rigid coupling in U-shaped tooth frame bottom both sides respectively, slider and spout sliding fit, the conveying gear is two settings, two conveying gear connect respectively in the bull stick both sides, conveying gear and U-shaped tooth frame meshing.
Further, including the pay-off subassembly, the pay-off subassembly is including pivot, delivery wheel, drive belt, first gear and second gear, the pivot is two settings, and the equal rotary type of two pivots is connected on carrying the flitch, and one of them pivot is comparatively close to the main shaft, the delivery wheel is four at least settings, and the even spaced rigid coupling of delivery wheel is in the pivot, the drive belt is around between the delivery wheel of two pivots, first gear rigid coupling is in the pivot one end that is close to the main shaft, second gear rigid coupling is in main shaft one side, second gear and first gear engagement.
The conveying wheel is characterized by further comprising a plurality of rubber gear rings, and the rubber gear rings are uniformly and densely distributed on the conveying wheel at intervals along the circumferential direction.
The invention has the following advantages: according to the grooving machine, the paperboard is placed through the material carrying plate, and after the paperboard is placed, the motor and the grooving cutter are matched to perform grooving on the paperboard, so that the grooving effect is achieved, a plurality of grooves can be formed at one time, the working efficiency is effectively improved, when the paperboard is grooved by the grooving cutter, the paperboard can be pressed by the fixing assembly, the situation that the grooving cutter influences the grooving due to the fact that the paperboard moves when the grooving cutter performs grooving is avoided, the conveying device is arranged on the grooving machine, the paperboard can be automatically conveyed to the top of the material carrying plate, manual placement is not needed, manual cutting damage caused by the grooving cutter is avoided, and the safety of workers is effectively protected.
Drawings
Fig. 1 is a first perspective view of the present invention.
FIG. 2 is a partial perspective view of the first embodiment of the present invention
Fig. 3 is a second partial perspective view of the present invention.
Fig. 4 is a second perspective view of the present invention.
Fig. 5 is a third perspective view of the present invention.
Fig. 6 is a third partial perspective view of the present invention.
Fig. 7 is a fourth partial perspective view of the present invention.
Fig. 8 is a partial perspective view of a fifth embodiment of the present invention.
Fig. 9 is a structural view of part a of the present invention.
In the above drawings: 1: base, 2: first strut, 3: carry flitch, 4: second strut, 5: mount pad, 6: main shaft, 7: slotting cutter, 8: motor, 9: fixing mechanism, 901: slide bar, 902: limiting plate, 903: a sliding sleeve, 904: a pressing plate, 905: cushion spring, 906: toothed plate, 907: sector gear, 10: conveying device, 101: support plate, 102: material limiting frame, 103: flat pulley, 104: flat belt, 105: transmission gear, 106: transmission half gear, 107: torsion spring, 108: chute, 109: push plate, 1011: u-shaped tooth frame, 1012: slider, 1013: conveying gear, 12: a feeding assembly, 121: rotating shaft, 122: conveying wheel, 123: drive belt, 124: first gear, 125: second gear, 13: a rubber gear ring.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
An automatic paperboard grooving machine is shown in figures 1-4 and comprises a base 1, a first supporting rod 2, a material carrying plate 3 and a second supporting rod 4, wherein one side of the top of the base 1 is connected with the first supporting rod 2 and the second supporting rod 4, the second supporting rod 4 is connected with the middle part of the base 1, the material carrying plate 3 is connected between the tops of the first supporting rod 2 and the second supporting rod 4, and the automatic paperboard grooving machine also comprises a mounting seat 5, main shaft 6, slotting tool 7, motor 8 and fixed establishment 9, 1 top both sides of base all are connected with mount pad 5, mount pad 5 is located base 1 between second branch 4 and the first branch 2, the rotary type is connected with main shaft 6 between the mount pad 5 of both sides, main shaft 6 runs through both sides mount pad 5, motor 8 is installed at 1 top of base, motor 8's output shaft and the transmission of main shaft 6 are connected, even interval connection has five slotting tools 7 on the main shaft 6, be equipped with fixed establishment 9 on the base 1.
Fixing mechanism 9 is including slide bar 901, limiting plate 902, sliding sleeve 903, clamp plate 904, buffer spring 905, pinion rack 906 and sector gear 907, base 1 both sides all are connected with slide bar 901, be connected with limiting plate 902 on the slide bar 901, sliding connection has sliding sleeve 903 on the slide bar 901, be connected with buffer spring 905 between sliding sleeve 903 and the limiting plate 902, buffer spring 905 overlaps on slide bar 901, be connected with clamp plate 904 between the sliding sleeve 903 top of both sides, clamp plate 904 is located carries flitch 3 top, all be connected with pinion rack 906 on the sliding sleeve 903 of both sides, pinion rack 906 connects at the sliding sleeve 903 lateral wall, 6 both sides of main shaft all are connected with the sector gear 907 that can mesh with pinion rack 906.
The material carrying plate 3 and the pressing plate 904 are uniformly provided with through grooves with the number corresponding to that of the slotting tools 7 at intervals.
When the paper board needs to be slotted, the slotting machine can be used, firstly, a user places the paper board to be slotted on the top of the material carrying plate 3, then the motor 8 is started to drive the main shaft 6 to rotate, the main shaft 6 rotates to drive the slotting cutter 7 to rotate together with the sector gear 907, after the sector gear 907 rotates to be meshed with the toothed plate 906, the sector gear 907 continues to rotate to drive the toothed plate 906 to move downwards, the toothed plate 906 moves downwards to drive the sliding sleeve 903 to move downwards, the buffer spring 905 is compressed, the sliding sleeve 903 moves downwards to drive the pressing plate 904 to move downwards, the pressing plate 904 moves downwards to be matched with the material carrying plate 3 to press the paper board, at the moment, the slotting cutter 7 just contacts with the paper board through the through groove, the slotting cutter 7 continues to rotate to slot on the paper board after contacting with the paper board, in this way, the toothed plate 906 can be slotted, after the slotting of the paper board by the slotting cutter 7, the sector gear 907, at this time, the sliding sleeve 903 and the pressing plate 904 are reset under the action of the buffer spring 905, and the slotted paperboard can be taken out.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 5, 6, 7 and 8, the present invention further comprises a conveying device 10, the conveying device 10 comprises a supporting plate 101, a material limiting frame 102, a flat belt wheel 103, a flat belt 104, a transmission gear 105, a transmission half gear 106, a torsion spring 107, a push plate 109, a U-shaped toothed frame 1011, a slider 1012 and a transmission gear 1013, the supporting plate 101 is connected to both sides of the top of the base 1, the supporting plate 101 is far away from the first supporting rod 2, the material limiting frame 102 is connected between the supporting plates 101 on both sides and the upper portion of the second supporting rod 4, the discharge port of the material limiting frame 102 is aligned with the material carrying plate 3, a rotating rod is rotatably connected between the supporting plates 101 on both sides, the rotating rod penetrates through the supporting plates 101 on both sides, a transmission shaft is rotatably connected between the lower portions of the mounting seats 5 on both sides, the transmission shaft penetrates through the mounting seats 5 on both sides, the flat belt wheels, one end of a transmission shaft is connected with a transmission gear 105, one end of a main shaft 6 is connected with a transmission half gear 106 which can be meshed with the transmission gear 105, a torsion spring 107 is connected between a flat belt wheel 103 on the transmission shaft and a mounting seat 5, the torsion spring 107 is sleeved on the transmission shaft, sliding grooves 108 are formed in two sides of the bottom in a material limiting frame 102, a push plate 109 is connected between the sliding grooves 108 on two sides in a sliding mode, a U-shaped tooth frame 1011 is connected onto the push plate 109, sliding blocks 1012 are connected to two sides of the bottom of the U-shaped tooth frame 1011, the sliding blocks 1012 are in sliding fit with the sliding grooves 108, the U-shaped tooth frame 1011 is in sliding fit with the material limiting frame 102, conveying gears.
When placing the paper boards, the paper boards can be stacked and placed in the material limiting frame 102, the paper boards at the lower part are contacted with the push plate 109, the main shaft 6 also drives the transmission half gear 106 to rotate when rotating, when the transmission half gear 106 rotates to be meshed with the transmission gear 105, the slotting cutter 7 has slotted the paper boards, then the transmission half gear 106 continues to rotate to drive the transmission gear 105 to rotate, the transmission gear 105 drives the transmission shaft to rotate, the transmission shaft rotates to drive the rotating rod to rotate through the flat belt wheel 103 and the flat belt 104, the torsion spring 107 is compressed, the rotating rod rotating belt drives the conveying gear 1013 to rotate, the conveying gear 1013 rotates to push the push plate 109 to move towards the material carrying plate 3 in the material limiting frame 102 through the U-shaped tooth frame 1011, the push plate 109 pushes the paper boards contacted with the push plate to move towards the material carrying plate 3 when moving, when the transmission half gear 106 rotates to be disengaged with the transmission gear 105, the push plate 109 pushes the paper boards, the cut paper board is also pushed to the side, close to the first supporting rod 2, of the top of the material carrying plate 3, the cut paper board is taken out, the rotating rod reversely rotates and resets under the action of the torsion spring 107, and the conveying gear 1013 drives the U-shaped toothed frame 1011 to reversely move and reset.
Example 3
On the basis of embodiment 2, as shown in fig. 2 and 9, the feeding device further includes a feeding assembly 12, the feeding assembly 12 includes a rotating shaft 121, a conveying wheel 122, a transmission belt 123, a first gear 124 and a second gear 125, two rotating shafts 121 are rotatably connected to the material loading plate 3, one of the rotating shafts 121 is closer to the spindle 6, the conveying wheels 122 are uniformly connected to the two rotating shafts 121 at intervals, the conveying wheels 122 penetrate through the material loading plate 3, the transmission belt 123 is connected between the conveying wheels 122 on the two rotating shafts 121, the first gear 124 is connected to one end of the rotating shaft 121 close to the spindle 6, the second gear 125 is connected to one side of the spindle 6, and the second gear 125 is meshed with the first gear 124.
The main shaft 6 also drives the second gear 125 to rotate when rotating, the second gear 125 rotates to drive the first gear 124 to rotate, the first gear 124 rotates to drive the rotating shaft 121 connected with the first gear to rotate, the rotating shaft 121 connected with the first gear 124 rotates to drive the other rotating shaft 121 to rotate through the conveying wheel 122 and the transmission belt 123, the conveying wheels 122 on the rotating shafts 121 also rotate when rotating, when the paper boards are pushed to contact with the conveying wheels 122, the conveying wheels 122 rotate to move the paper boards out of the grooving machine, when the paper boards need to be collected, the collecting frame is placed at the bottom of the material carrying plate 3.
As shown in fig. 9, the conveying device further includes rubber toothed rings 13, and the rubber toothed rings 13 are uniformly and densely distributed on the conveying wheel 122 along the circumferential direction.
When the conveying wheel 122 rotates the conveying plate, the rubber ring gear 13 rotates, and the friction force of the conveying wheel 122 can be increased under the action of the rubber ring gear 13.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides an automatic groover of cardboard, characterized by, including:
the top of the base is fixedly connected with a first supporting rod and a second supporting rod;
the material carrying plate is fixedly connected between the tops of the first supporting rod and the second supporting rod and used for placing paper boards to be grooved;
the two mounting seats are respectively positioned on two sides of the top of the base between the first supporting rod and the second supporting rod, and a main shaft is rotatably connected between the two mounting seats;
at least two slotting tools are arranged, and the slotting tools are uniformly connected to the main shaft at intervals;
the motor is arranged on the top of the base;
and the fixing mechanism is arranged at the top of the base and used for fixing the paper board needing slotting.
2. An automatic groover for paperboard according to claim 1 wherein: the fixing mechanism comprises two sliding rods, limiting plates, sliding sleeves, pressing plates, buffer springs, toothed plates and sector gears, the sliding rods are arranged in two modes, the two sliding rods are fixedly connected to two sides of the top of the base respectively, the limiting plates are connected to the sliding rods, the sliding sleeves are connected to the sliding rods in a sliding mode, the buffer springs are connected between the sliding sleeves and the limiting plates and sleeved on the outer sides of the sliding rods, the pressing plates are connected to the tops of the sliding sleeves on two sides, the pressing plates are located above the material carrying plates, the toothed plates are arranged in two modes, the two toothed plates are fixedly connected to two side sliding sleeve side walls respectively, the sector gears are arranged in two modes, the two sector gears are located on two sides of the spindle respectively.
3. An automatic groover for paperboard according to claim 2 wherein: the material carrying plate and the pressing plate are uniformly provided with through grooves corresponding to the number of the slotting tools at intervals.
4. An automatic groover for paperboard according to claim 3 wherein: the material limiting device comprises a base, two support plates, a material limiting frame, flat belt wheels, flat belts, transmission gears, transmission semi-gears, a torsion spring, a push plate, a U-shaped toothed frame, sliding blocks and a transmission gear, wherein the two support plates are arranged in two, the two support plates are connected to two sides of the top of the base far away from a first supporting rod, the material limiting frame is fixedly connected between the two support plates and the top of a second supporting rod, a rotating rod is rotatably connected between the two support plates and penetrates through the two support plates, a transmission shaft is rotatably connected between the lower parts of the two side mounting seats and penetrates through the two side mounting seats, the four flat belt wheels are arranged, two flat belt wheels are fixedly connected to two ends of the rotating rod, the other two flat belt wheels are fixedly connected to two sides of the transmission shaft, the transmission gears are fixedly connected to one end of the transmission, the transmission semi-gear rigid coupling is in main shaft one end, and transmission semi-gear can mesh with drive gear, the torque spring cover is on the transmission shaft, the torque spring both ends are connected with plain belt wheel and mount pad respectively, the spout is opened in limit material frame bottom both sides, push pedal sliding connection is between the spout of both sides, U-shaped tooth frame rigid coupling is in the push pedal, the slider is two settings, and two sliders are rigid coupling in U-shaped tooth frame bottom both sides respectively, slider and spout sliding fit, the conveying gear is two settings, two conveying gear connect respectively in the bull stick both sides, conveying gear and U-shaped tooth frame meshing.
5. An automatic groover for paperboard according to claim 4 wherein: still including the pay-off subassembly, the pay-off subassembly is including pivot, delivery wheel, drive belt, first gear and second gear, the pivot is two settings, and two equal rotary types of pivot are connected on carrying the flitch, and one of them pivot is comparatively close to the main shaft, the delivery wheel is four at least settings, and the even spaced rigid coupling of delivery wheel is in the pivot, the drive belt is around between the delivery wheel of two pivots, first gear rigid coupling is in the pivot one end that is close to the main shaft, second gear rigid coupling is in main shaft one side, second gear and first gear engagement.
6. An automatic groover for paperboard according to claim 5 wherein: the conveying wheel is characterized by further comprising a plurality of rubber gear rings, and the rubber gear rings are distributed on the conveying wheel at equal intervals in the circumferential direction.
CN202010444970.6A 2020-05-23 2020-05-23 Automatic groover of cardboard Pending CN111572098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010444970.6A CN111572098A (en) 2020-05-23 2020-05-23 Automatic groover of cardboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010444970.6A CN111572098A (en) 2020-05-23 2020-05-23 Automatic groover of cardboard

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CN111572098A true CN111572098A (en) 2020-08-25

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CN202010444970.6A Pending CN111572098A (en) 2020-05-23 2020-05-23 Automatic groover of cardboard

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112223834A (en) * 2020-09-25 2021-01-15 何光皓 Paper board joint cutter for factory
CN112848502A (en) * 2021-01-26 2021-05-28 施云云 Novel paper box edge opening machine for packaging
CN114834090A (en) * 2022-05-24 2022-08-02 彭彬 Corrugated container board fluting device

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Publication number Priority date Publication date Assignee Title
JP2009132049A (en) * 2007-11-30 2009-06-18 Tomei Kogyo Kk Processing apparatus for corrugated cardboard sheet
CN205009654U (en) * 2015-07-08 2016-02-03 陈斌 Take side cut formula cardboard groover
CN106493997A (en) * 2016-06-30 2017-03-15 天津宏达鑫盛科技有限公司 A kind of cardboard automatic slotting machine
CN208232416U (en) * 2018-05-30 2018-12-14 天津市三高利泰包装印刷有限公司 A kind of corrugated board printing partial pressure corner cut groover
CN209794696U (en) * 2019-04-16 2019-12-17 武汉联创兴盛包装有限公司 Efficient feeding mechanism of carton stapler
CN110757888A (en) * 2019-12-14 2020-02-07 兰兵 Slotting equipment is stabilized in carton production

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Publication number Priority date Publication date Assignee Title
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CN205009654U (en) * 2015-07-08 2016-02-03 陈斌 Take side cut formula cardboard groover
CN106493997A (en) * 2016-06-30 2017-03-15 天津宏达鑫盛科技有限公司 A kind of cardboard automatic slotting machine
CN208232416U (en) * 2018-05-30 2018-12-14 天津市三高利泰包装印刷有限公司 A kind of corrugated board printing partial pressure corner cut groover
CN209794696U (en) * 2019-04-16 2019-12-17 武汉联创兴盛包装有限公司 Efficient feeding mechanism of carton stapler
CN110757888A (en) * 2019-12-14 2020-02-07 兰兵 Slotting equipment is stabilized in carton production

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112223834A (en) * 2020-09-25 2021-01-15 何光皓 Paper board joint cutter for factory
CN112848502A (en) * 2021-01-26 2021-05-28 施云云 Novel paper box edge opening machine for packaging
CN114834090A (en) * 2022-05-24 2022-08-02 彭彬 Corrugated container board fluting device
CN114834090B (en) * 2022-05-24 2024-03-15 重庆正金印务有限公司 Corrugated board slotting device

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Application publication date: 20200825