CN115320169A - Paperboard die cutting device for corrugated case - Google Patents

Paperboard die cutting device for corrugated case Download PDF

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Publication number
CN115320169A
CN115320169A CN202210980342.9A CN202210980342A CN115320169A CN 115320169 A CN115320169 A CN 115320169A CN 202210980342 A CN202210980342 A CN 202210980342A CN 115320169 A CN115320169 A CN 115320169A
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CN
China
Prior art keywords
roller body
indentation
die
cutting
roller
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Granted
Application number
CN202210980342.9A
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Chinese (zh)
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CN115320169B (en
Inventor
黄盛林
周春节
梁星
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Shanghai Dinglong Paper Co ltd
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Shanghai Dinglong Paper Co ltd
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Priority to CN202210980342.9A priority Critical patent/CN115320169B/en
Publication of CN115320169A publication Critical patent/CN115320169A/en
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Publication of CN115320169B publication Critical patent/CN115320169B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

The invention discloses a paperboard die cutting device for corrugated cartons, which comprises: the device comprises a first roller body and a second roller body which are arranged on a support frame in parallel, wherein two ends of the first roller body and two ends of the second roller body are respectively connected with a first motor and a second motor in a corresponding driving mode, a gap is reserved between the first roller body and the second roller body, an indentation cutting device is arranged on the surface of the first roller body and comprises a plurality of indentation dies arrayed along the circumference of the surface of the first roller body, edges of adjacent indentation dies are mutually attached, and cutting knives are symmetrically fixedly connected to two ends of each indentation die; the second roller body comprises a transmission shaft, a hollow compression roller body sleeved on the transmission shaft, the transmission shaft is connected with the second motor in a driving mode, the transmission shaft is connected with the compression roller body in a rotating mode, and the position, corresponding to the cutting knife, on the compression roller body is elastically connected with a waste separating assembly. By the method and the device, the problem that the finally cut carton mold needs to be subjected to secondary processing, namely, the cut waste is separated from the carton mold, so that time and labor are wasted can be solved.

Description

Paperboard die cutting device for corrugated case
Technical Field
The invention relates to a paperboard die cutting device for a corrugated case, and belongs to the technical field of paperboard die cutting.
Background
The corrugated board die cutting technology is to finally form a paper box mold which can be folded into a paper box by cutting, crease marking and other processes on a paper board. The die cutting machine is generally used, namely, the die cutting machine is provided with two rollers which rotate relatively, both ends of one roller are provided with cutting knives, the other roller is provided with an indentation die, the indentation die is positioned between the cutting knives at both ends, the two rollers are extruded and rotated mutually, and a gap is reserved between the two rollers; at this moment, the cardboard is vertical through the clearance between two rollers, follows along extending roller pivoted direction lateral shifting, and the indentation mould can carry out the coining crease to the cardboard, forms the crease of carton, and the cutting sword can cut the edge of cardboard, forms the overlap joint tongue at carton both ends, and at this in-process, in order to guarantee that the cardboard can be stably promoted to the clearance between two rollers, need use hydraulic pressure push mechanism to stabilize the propelling movement to the cardboard.
In the prior art, the corrugated board die cutting structure is in the cutting process, and because the roller is rotating the in-process, the pressure value between two rollers is not enough or the cutting sword sharpness is not enough, and then the cutting waste material that leads to is cohered together with the cutting limit of carton mould and can't break away from to the carton mould that leads to final processing still need carry out secondary operation, will cut waste material and separate with the carton mould soon, this process is wasted time and energy, has increased a process, and then has increased manufacturing cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a cardboard cutting device for corrugated box, it has solved still need carry out secondary operation of the carton mould that final cut among the prior art, is about to cut waste material and carton mould separation, the problem that wastes time and energy.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a paperboard die cutting apparatus for corrugated boxes, comprising: the device comprises a first roller body and a second roller body which are arranged on a support frame in parallel, wherein two ends of the first roller body and the second roller body are respectively connected with a first motor and a second motor in a corresponding driving mode, a gap is reserved between the first roller body and the second roller body, an indentation cutting device is arranged on the surface of the first roller body and comprises a plurality of indentation dies arrayed along the circumference of the surface of the first roller body, edges of adjacent indentation dies are mutually attached, and cutting knives are symmetrically and fixedly connected to two ends of each indentation die;
the second roller body comprises a transmission shaft and a hollow compression roller body sleeved on the transmission shaft, the transmission shaft is in driving connection with a second motor, the transmission shaft is in rotating connection with the compression roller body, and the position, corresponding to the cutting knife, on the compression roller body is elastically connected with a waste material separation assembly.
As a preferable example, the waste separating assembly comprises a plurality of annular collars and elastic supporting bodies, the circumferences of the elastic supporting bodies are arranged on the outer surface of the compression roller tube body, and the inner walls of the annular collars are fixedly connected with the elastic supporting bodies.
The elastic support body can provide support for the annular ring on one hand and limit the annular ring on the outer surface of the compression roller pipe body; on the other hand, can rock at will under the effect of external force, provide the scope of rocking for annular lasso.
As a preferred example, the elastic support is a pressure spring.
Wherein, pressure spring is selected for use to the elastic support body, and it can be with the pressure that vertically receives, the swing power of transversely rocking is converted into, realizes the possibility of rocking.
As a preferable example, a plurality of air outlet holes are formed in the circumferences of the two ends of the compression roller pipe body, the air outlet holes correspond to the cutting knives, impeller groups are arranged in the compression roller pipe body, and the impeller groups are symmetrically and fixedly connected to the two ends of the transmission shaft.
Wherein, the impeller is rented and is provided the wind-force source for overall structure to let wind blow to the cardboard through the exhaust vent, and act on in the gap that the cutting finishes between waste material and the overlap joint tongue, thereby under the effect of wind-force, further let the waste material separate with the overlap joint tongue fast.
As a preferable example, the air outlet is in a drop shape, and the caliber of the air outlet is gradually enlarged towards the axial direction of the pressing roller pipe body.
The water drops form a water drop air duct, and the air generated by the impeller set directly acts on a gap between the lap joint tongue and the waste material through the water drop air duct to play a role in guiding the wind direction.
As a preferable example, a plurality of air blowing holes are arranged on the annular ring.
The contact area of wind and cardboard will further be increased to the blowhole, further promotes the effect of blowing.
As a preferred example, a tightness adjusting assembly is arranged between the indentation die and the cutting knife.
The tightness adjusting assembly is arranged between the indentation die and the cutting knife, so that the tightness degree of the cutting knife can be adjusted, and then when the cutting knife collapses inwards due to overlong use time, the original position can be restored through the tightness adjusting assembly, and the firmness of the cutting knife is ensured.
As a preferred example, the tightness adjusting assembly comprises a first pipe fixedly connected with the indentation die and a second pipe inserted into the first pipe, one end of the second pipe extends to the surface of the cutting knife and is fixed to the surface of the cutting knife, and the insertion end of the first pipe is in threaded connection with a clamping ring which can be screwed or unscrewed.
Specifically, the circumference of the insertion end of the first pipe fitting is provided with insertion protrusions, the insertion protrusions are arranged in a gap mode, and when the clamping ring is screwed clockwise, the insertion protrusions are close to each other, so that the insertion protrusions are in contact with and tightly press the second pipe fitting, and vice versa.
As a preferred example, the cutting blade is a trapezoid, two sides of the cutting blade are fixedly connected with the linear sides of the indentation die respectively, and the second pipe is fixedly connected with the top of the trapezoid.
The invention has the beneficial effects that:
(1) According to the invention, the indentation die and the cutting knife are combined together on one of the rollers, so that the purpose of cutting can be realized while indentation is realized; the waste separating assembly is arranged on the other roller, and the waste reserved after cutting can be separated from the lap joint tongue through natural shaking of the waste separating assembly, so that secondary processing of a carton mold is avoided, and the overall working efficiency is improved.
(2) According to the invention, the plurality of air outlets are formed in the surface of the roller with the waste separating assembly, and the impeller set rotating along with the second motor is arranged in the roller, so that wind power is generated in the roller and is diffused to the paperboard through the air outlets, the waste is directly blown away from the formed carton mold, and the separating effect is further improved.
(3) According to the invention, the tightness adjusting assembly is arranged between the indentation die and the cutting knife, so that the tightness degree of the cutting knife can be adjusted, and then when the cutting knife is collapsed inwards due to overlong use time, the original position can be restored through the tightness adjusting assembly, and the firmness of the cutting knife is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the indentation cutting device according to the present invention;
FIG. 3 is a schematic view of the inside structure of the second roller body according to the present invention;
FIG. 4 is a schematic view of the internal structure of the waste separation module of the present invention;
FIG. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;
FIG. 6 is a schematic view of the structure of a scoring die and a cutting blade in example 3 of the present invention;
FIG. 7 is a schematic illustration of a portion of the structure of FIG. 6 in accordance with the present invention;
fig. 8 is a schematic view of the final carton mold structure of the present invention.
In the figure: 1. the device comprises a first roller body, 11, an indentation cutting device, 2, a second roller body, 21, a transmission shaft, 22, a compression roller pipe body, 221, an air outlet, 3, a first motor, 4, a second motor, 5, an indentation die, 6, a cutting knife, 7, a waste separating component, 71, an annular ferrule, 711, an air outlet, 712, a mounting seat, 72, an elastic supporting body, 8, an impeller set, 81, blades, 82, a shaft sleeve, 9, a tightness adjusting component, 91, a first pipe, 92, a second pipe, 93, a clamping ring, 10, a supporting frame, 12, a paperboard, 13, a carton die, 14, a longitudinal supporting rod, 15, a bearing, 16 and a lap joint tongue.
Detailed Description
In order to make the technical means, the technical features, the technical purpose and the technical effects of the invention easier to understand, the invention is further described with the following embodiments.
In the description of the present invention, it is to be understood that the terms "lateral", "longitudinal", "end", "edge", "side wall", "upper", "lower", "directly above", "surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "end", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, a paperboard die cutting apparatus for corrugated boxes comprises: the roller comprises a first roller body 1 and a second roller body 2 which are arranged on a support frame 10 in parallel, wherein two ends of the first roller body 1 and the second roller body 2 are respectively connected with a first motor 3 and a second motor 4 in a corresponding driving mode, a gap is reserved between the first roller body 1 and the second roller body 2, an indentation cutting device 11 is arranged on the surface of the first roller body 1, the indentation cutting device 11 comprises a plurality of indentation molds 5 arrayed along the circumference of the surface of the first roller body 1, edges of the adjacent indentation molds 5 are mutually attached, and two ends of each indentation mold 5 are symmetrically and fixedly connected with cutting knives 6;
referring to fig. 3, the second roller body 2 includes a transmission shaft 21 and a hollow pressing roller tube 22 sleeved on the transmission shaft 21, wherein a longitudinal support rod 14 with a hole is disposed in the pressing roller tube 22, a bearing 15 is fixed in the hole, and the transmission shaft 21 passes through the bearing 15 and rotates relative to the pressing roller tube 22. The transmission shaft 21 is connected with the second motor 4 through gear drive, the transmission shaft 21 is rotatably connected with the compression roller pipe body 22, and the position, corresponding to the cutting knife 6, on the compression roller pipe body 22 is elastically connected with the waste separating assembly 7.
Referring to fig. 1, 3 and 4, a plurality of air outlet holes 221 are circumferentially formed at two ends of the compression roller tube body 22, the air outlet holes 221 correspond to the positions of the cutting blades 6, impeller assemblies 8 are arranged in the compression roller tube body 22, and the impeller assemblies 8 are symmetrically and fixedly connected to two ends of the transmission shaft 21. The impeller assembly 8 comprises a shaft sleeve 82 fixedly connected with the transmission shaft 21 and blades 81 fixed along the circumferential array of the shaft sleeve 82, and the impeller assembly 8 provides a wind power source for the whole structure, so that wind can blow to the paperboard through the air outlet hole 221 and acts on a gap between the waste and the lap joint tongue 16 after cutting is finished, and the waste is further separated from the lap joint tongue 16 quickly under the action of the wind power.
Referring to fig. 4, the waste separating assembly 7 includes a plurality of annular collars 71 and elastic supporting bodies 72, the elastic supporting bodies 72 are circumferentially disposed on the outer surface of the press roller tube 22, the inner wall of the annular collars 71 is fixedly connected to the elastic supporting bodies 72, specifically, the elastic supporting bodies 72 are pressure springs, one ends of the pressure springs are fixed in the mounting seats 712, the annular collars 71 are made of rubber, when the paper board contacts the annular collars 71, friction force between the paper board and the paper board is increased, and further, shaking force is increased, and the elastic supporting bodies 72 can support the annular collars 71 and limit the annular collars 71 on the outer surface of the press roller tube 22; on the other hand, the ring-shaped ferrule 71 can be freely swung by an external force, thereby providing a swinging range for the ring-shaped ferrule 71. Wherein, the elastic support body 72 is a pressure spring, which can convert the pressure received in the longitudinal direction into the swinging force of transverse swinging, so as to realize the possibility of swinging.
Specifically, the air outlet 221 is in a drop shape, and the aperture of the air outlet 221 gradually enlarges toward the axial direction of the pressing roller pipe body 22. The water drops form a water drop air duct, and the air generated by the impeller assembly 8 directly acts on the gap between the lap joint tongue 16 and the waste material through the water drop air duct to play a role in guiding the wind direction.
Example 2
Referring to fig. 5, on the basis of embodiment 1, a plurality of air blowing holes 711 are provided in the annular collar 71. The blowing holes 711 will further increase the contact area of the wind with the paperboard, further improving the blowing effect.
Example 3
Referring to fig. 6-7, on the basis of embodiment 2, a slack adjuster assembly 9 is provided between the indentation die 5 and the cutting blade 6. The tightness adjusting assembly 9 is arranged between the indentation die 5 and the cutting knife 6, so that the tightness of the cutting knife 6 can be adjusted, and then when the cutting knife 6 collapses inwards due to overlong use time, the original position can be restored through the tightness adjusting assembly 9, and the firmness of the cutting knife 6 is ensured.
Wherein, the tight regulation subassembly 9 includes first pipe fitting 91 with indentation mould 5 fixed connection, pegs graft in the second pipe fitting 92 of first pipe fitting 91, and the one end of second pipe fitting 92 extends to the surface of cutting sword 6 and reciprocal anchorage, and the grafting end threaded connection of first pipe fitting 91 has snap ring 93, and snap ring 93 can screw or unscrew. Specifically, the circumference of the insertion end of the first pipe 91 is provided with insertion protrusions, the insertion protrusions are arranged in a gap manner, and when the snap ring 93 is screwed clockwise, the insertion protrusions are close to each other, so that the insertion protrusions are in contact with and pressed against the second pipe 92, and vice versa. The cutting blade 6 is trapezoidal as a whole, two sides of the cutting blade are fixedly connected with the linear sides of the indentation die 5 respectively, and the second pipe fitting 92 is fixedly connected with the top of the trapezoid.
In the above embodiment, referring to fig. 2, the edges at both ends of the indentation die 5 are circular arc edges, a plurality of circular arc edges form a complete circle, and the edge adjacent to the circular arc edge is a straight line.
The specific operation process of the device is as follows:
firstly, simultaneously starting a first motor and a second motor, and enabling a first roller body and a second roller body to rotate oppositely, namely, one roller body rotates clockwise and the other roller body rotates anticlockwise; then, the paper board is gradually close to the gap between the first roller body and the second roller body through the hydraulic pushing mechanism, and when the first roller body and the paper board are contacted with each other, the paper board 12 is driven by the rotating force to move downwards. In the movement process, the indentation cutting device is positioned on the outer surface of the first roller body, so that the actions of indentation and cutting of the edge of the paperboard can be completed; meanwhile, the waste separating assembly on the second roller body swings left and right back and forth under the action of contact friction, and the waste nested at the edge of the paperboard can shake off the paperboard through the swinging force, so that the formed carton mold is separated from the waste. Since the paper board is always supported by the hydraulic pushing mechanism (the hydraulic pushing mechanism may be a hydraulic mechanical arm) in the pushing process, the paper board is not laterally deviated due to the shaking force of the scrap separating assembly in the whole cutting process, so that the scrap is separated from the carton mold, and the final carton mold is obtained as shown in fig. 8.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the present invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. A paperboard die cutting apparatus for corrugated boxes, comprising: the roller comprises a first roller body (1) and a second roller body (2) which are arranged on a support frame in parallel, wherein two ends of the first roller body (1) and the second roller body (2) are respectively connected with a first motor (3) and a second motor (4) in a corresponding driving mode, and a gap is reserved between the first roller body (1) and the second roller body (2), and the roller is characterized in that an indentation cutting device (11) is arranged on the surface of the first roller body (1), the indentation cutting device (11) comprises a plurality of indentation molds (5) arrayed along the surface circumference of the first roller body (1), edges of adjacent indentation molds (5) are mutually attached, and cutting tools (6) are symmetrically and fixedly connected to two ends of each indentation mold (5);
the second roller body (2) comprises a transmission shaft (21) and a hollow compression roller body (22) sleeved on the transmission shaft (21), the transmission shaft (21) is in driving connection with the second motor (4), the transmission shaft (21) is in rotating connection with the compression roller body (22), and a waste separating assembly (7) is elastically connected to the position, corresponding to the cutting knife (6), on the compression roller body (22).
2. The die-cutting device for the paperboard of the corrugated case as claimed in claim 1, wherein the scrap separating assembly (7) comprises a plurality of ring-shaped collars (71) and elastic supporting bodies (72), the elastic supporting bodies (72) are circumferentially arranged on the outer surface of the roller tube body (22), and the inner walls of the ring-shaped collars (71) are fixedly connected with the elastic supporting bodies (72).
3. A die-cutting device for cardboard boxes according to claim 2, characterized in that the elastic support (72) is a compression spring.
4. The die cutting device for the paperboard for the corrugated case as claimed in claim 2, wherein a plurality of air outlet holes (221) are formed in the circumferences of the two ends of the roller tube body (22), the air outlet holes (221) correspond to the cutting knife (6), the roller tube body (22) is internally provided with impeller sets (8), and the impeller sets (8) are symmetrically and fixedly connected to the two ends of the transmission shaft (21).
5. The die-cutting device for cardboard of corrugated cardboard box as claimed in claim 4 wherein the air outlet hole (221) is drop-shaped, and the diameter of the air outlet hole (221) is gradually enlarged toward the axial direction of the roll pipe body (22).
6. A device as claimed in claim 5, characterised in that the ring collar (71) is provided with blow holes (711).
7. The device according to claim 1, characterized in that a slack adjuster (9) is arranged between the indentation die (5) and the cutting blade (6).
8. The paperboard die cutting device of claim 7, wherein the tightness adjusting assembly (9) comprises a first pipe member (91) fixedly connected with the indentation die (5) and a second pipe member (92) inserted into the first pipe member (91), one end of the second pipe member (92) extends to the surface of the cutting knife (6) and is fixed with each other, the insertion end of the first pipe member (91) is in threaded connection with a snap ring (93), and the snap ring (93) can be screwed or unscrewed.
9. The die cutting device for cardboard of corrugated cardboard box as claimed in claim 8, characterized in that the cutting blade (6) is a trapezoid in its entirety, and both sides thereof are fixedly connected to the straight sides of the indentation die (5), respectively, and the second tube member (92) is fixedly connected to the top of the trapezoid.
CN202210980342.9A 2022-08-16 2022-08-16 Cardboard cross cutting device for corrugated case Active CN115320169B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210980342.9A CN115320169B (en) 2022-08-16 2022-08-16 Cardboard cross cutting device for corrugated case

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Application Number Priority Date Filing Date Title
CN202210980342.9A CN115320169B (en) 2022-08-16 2022-08-16 Cardboard cross cutting device for corrugated case

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CN115320169B CN115320169B (en) 2024-05-24

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