CN115320169B - Cardboard cross cutting device for corrugated case - Google Patents

Cardboard cross cutting device for corrugated case Download PDF

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Publication number
CN115320169B
CN115320169B CN202210980342.9A CN202210980342A CN115320169B CN 115320169 B CN115320169 B CN 115320169B CN 202210980342 A CN202210980342 A CN 202210980342A CN 115320169 B CN115320169 B CN 115320169B
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CN
China
Prior art keywords
indentation
roller body
roller
cutting device
transmission shaft
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Active
Application number
CN202210980342.9A
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Chinese (zh)
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CN115320169A (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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Classifications

    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D7/1845Means for removing cut-out material or waste by non mechanical means
    • 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
    • B31B50/006Controlling; Regulating; Measuring; Improving safety
    • 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
    • B31B50/25Surface 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 cardboard 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 supporting frame in parallel, wherein two ends of the first roller body and the second roller body are correspondingly and respectively connected with a first motor and a second motor in a driving way, 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 molds arrayed along the circumference of the surface of the first roller body, edges of adjacent indentation molds are mutually attached, and cutting blades are symmetrically and fixedly connected at two ends of each indentation mold; the second roller body comprises a transmission shaft and a hollow compression roller tube body sleeved on the transmission shaft, the transmission shaft is connected with a second motor in a driving manner, the transmission shaft is rotationally connected with the compression roller tube body, and a waste separating assembly is elastically connected to the position, corresponding to the cutting knife, of the compression roller tube body. The invention can solve the problems that the carton mould finally cut in the prior art needs to be processed for the second time, namely, cutting waste is separated from the carton mould, and time and labor are wasted.

Description

Cardboard cross cutting device for corrugated case
Technical Field
The invention relates to a paperboard die-cutting device for corrugated cartons, and belongs to the technical field of paperboard die-cutting.
Background
The corrugated board die cutting technology is to finally form a carton mould capable of being folded into a carton through cutting, creasing and other processes. The die cutting machine is generally used, namely, the die cutting machine is provided with two rollers which rotate relatively, wherein two ends of one roller are provided with cutting blades, the other roller is provided with an indentation die, the indentation die is positioned between the cutting blades at the two ends, the two rollers are mutually extruded and rotated, and a gap is reserved between the two rollers; at this time, the cardboard is vertical through the clearance between the two rollers, and the direction lateral shifting of following roller pivoted, indentation mould can carry out the seal crease to the cardboard, forms the crease of cardboard, and the cutting sword can cut the edge of cardboard, forms the overlap joint tongue at cardboard both ends, in this process, in order to guarantee that the cardboard can stably be promoted to the clearance between two rollers, need use hydraulic pushing mechanism to carry out stable propelling movement to the cardboard.
In the prior art, in the cutting process of the corrugated board die-cutting structure, the pressure value between the two rollers is insufficient or the sharpness of the cutting knife is insufficient in the rotating process of the rollers, so that cutting scraps and the cutting edges of the carton die are adhered together and cannot be separated, the finally processed carton die is required to be subjected to secondary processing, namely, the cutting scraps and the carton die are separated, the process is time-consuming and labor-consuming, one process is added, and the production cost is further increased.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the paperboard die-cutting device for the corrugated cartons solves the problems that in the prior art, a finally cut carton die is required to be processed for the second time, namely cutting scraps are separated from the carton die, and time and labor are wasted.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
A paperboard die cutting device for corrugated cartons, comprising: the device comprises a first roller body and a second roller body which are arranged on a supporting frame in parallel, wherein two ends of the first roller body and two ends of the second roller body are correspondingly connected with a first motor and a second motor in a driving mode respectively, 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, the indentation cutting device comprises a plurality of indentation molds arrayed along the circumference of the surface of the first roller body, edges of adjacent indentation molds are mutually attached, and two ends of each indentation mold are symmetrically and fixedly connected with cutting knives;
The second roller body comprises a transmission shaft and a hollow roller tube body sleeved on the transmission shaft, the transmission shaft is connected with a second motor in a driving mode, the transmission shaft is connected with the roller tube body in a rotating mode, and a waste separating assembly is elastically connected to the position, corresponding to the cutting knife, of the roller tube body.
As a preferred example, the waste separating assembly comprises a plurality of annular ferrules and elastic supporting bodies, the circumferences of the elastic supporting bodies are arranged on the outer surface of the press roller tube body, and the inner walls of the annular ferrules are fixedly connected with the elastic supporting bodies.
The elastic supporting body can provide support for the annular ring and limit the annular ring on the outer surface of the compression roller pipe body on one hand; 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.
The elastic support body adopts a pressure spring, and can convert the pressure received longitudinally into swinging force swinging transversely, so that the possibility of swinging is realized.
As a preferable example, a plurality of air outlet holes are formed in the circumferences of the two ends of the press roller tube body, the air outlet holes correspond to the positions of the cutting blades, an impeller set is arranged in the press roller tube body, and the impeller set is symmetrically and fixedly connected to the two ends of the transmission shaft.
The impeller is rented to provide a wind power source for the integral structure, so that wind can be blown to the paperboard through the wind outlet, and acts on a gap between the waste and the lap joint tongue after cutting is finished, and the waste is further separated from the lap joint tongue rapidly under the action of wind power.
As a preferable example, the air outlet is in a water drop shape, and the caliber of the air outlet gradually expands towards the axial direction of the press roller pipe body.
The water drops form a water drop air channel, and the wind generated by the impeller set directly acts on the gap between the lap joint tongue and the waste material through the water drop air channel to play a role in guiding the wind direction.
As a preferred example, the annular collar is provided with a number of blowing openings.
The air blowing holes can further increase the contact area between the air and the paper board, and further improve the air blowing effect.
As a preferred example, a tightness adjusting assembly is provided between the indentation die and the cutting blade.
An elastic adjustment component is arranged between the indentation die and the cutting knife, so that the degree of tightness of the cutting knife can be adjusted, and then when the cutting knife is used for too long to collapse inwards, the original position can be restored through the elastic adjustment component, 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 mutually fixed, and the inserted end of the first pipe is in threaded connection with a clamping ring which can be screwed or unscrewed.
Specifically, the circumference of the plugging end of the first pipe fitting is provided with plugging bulges, the plugging bulges are arranged in a clearance way, and when the clamping ring is screwed clockwise, the plugging bulges are mutually close to each other, so that the plugging bulges are in contact with the second pipe fitting and are tightly pressed, and vice versa.
As a preferable example, the cutting blade is a trapezoid, two sides of the cutting blade are respectively and fixedly connected with the straight line sides of the indentation die, and the second pipe fitting is fixedly connected with the top of the trapezoid.
The beneficial effects of the invention are as follows:
(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 indentation and cutting can be realized; the waste separating assembly is arranged on the other roller, and the reserved waste 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 mould is avoided, and the overall working efficiency is improved.
(2) According to the invention, the surface of the roller with the waste separating component is provided with the air outlet holes, and the impeller group 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 outlet holes, and waste is directly blown off the formed carton mould, thereby further improving the separating effect.
(3) According to the invention, the tightness adjusting component 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 service time, the original position can be restored through the tightness adjusting component, and the firmness of the cutting knife is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the indentation cutting device of the present invention;
FIG. 3 is a schematic view of the structure of the inside of the second roll body of the present invention;
FIG. 4 is a schematic view showing the internal structure of the waste separation module of the present invention;
FIG. 5 is a schematic overall structure of embodiment 2 of the present invention;
FIG. 6 is a schematic diagram showing the structure of the stamping die and the cutting blade in embodiment 3 of the present invention;
FIG. 7 is a schematic view of the partial structure of FIG. 6 according to the present invention;
fig. 8 is a schematic view of the final formed carton die 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 hole, 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 hole, 712, a mounting seat, 72, an elastic supporting body, 8, an impeller group, 81, a blade, 82, a shaft sleeve, 9, a tightness adjusting component, 91, a first pipe fitting, 92, a second pipe fitting, 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
The invention will be further described with reference to the following embodiments in order to make the technical means, the creation features, the achievement of the objects and the effects of the invention easy to understand.
In the description of the present invention, it should be understood that the terms "transverse", "longitudinal", "end", "edge", "side wall", "upper", "lower", "directly above", "surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "end", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the technical solution of the present invention and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, a paperboard die cutting device for corrugated cartons, comprising: the device 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 correspondingly and respectively connected with a first motor 3 and a second motor 4 in a driving way, 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 adjacent indentation molds 5 are mutually attached, and two ends of each indentation mold 5 are symmetrically and fixedly connected with a cutting knife 6;
Referring to fig. 3, the second roller body 2 includes a transmission shaft 21 and a hollow roller tube body 22 sleeved on the transmission shaft 21, wherein a longitudinal support rod 14 with a hole is arranged in the roller tube body 22, a bearing 15 is fixed in the hole, and the transmission shaft 21 passes through the bearing 15 and rotates relative to the roller tube body 22. The transmission shaft 21 is connected with the second motor 4 through a gear drive, the transmission shaft 21 is rotationally connected with the press roller tube body 22, and the waste separating assembly 7 is elastically connected to the position, corresponding to the cutting knife 6, on the press roller tube body 22.
Referring to fig. 1,3 and 4, a plurality of air outlet holes 221 are circumferentially arranged at two ends of the press roller tube body 22, the air outlet holes 221 correspond to positions of the cutting blades 6, an impeller set 8 is arranged in the press roller tube body 22, and the impeller set 8 is symmetrically and fixedly connected to two ends of the transmission shaft 21. The impeller set 8 includes 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 set 8 provides a wind source for the whole structure, so that wind can blow to the cardboard through the wind outlet 221 and act on the gap between the waste and the overlap tongue 16 after cutting, and further, the waste is rapidly separated from the overlap tongue 16 under the action of wind.
Referring to fig. 4, the waste separating assembly 7 includes an annular ring 71 and a plurality of elastic supporting bodies 72, the circumference of the elastic supporting bodies 72 is arranged on the outer surface of the press roller tube 22, the inner wall of the annular ring 71 is fixedly connected with 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 ring 71 is made of rubber, when the paperboard is contacted with the annular ring 71, the friction force with the paperboard is increased, so that the shaking force is increased, and the elastic supporting bodies 72 can provide support for the annular ring 71 and limit the annular ring 71 on the outer surface of the press roller tube 22; on the other hand, the ring 71 can be freely swung by the external force, and a range of swing is provided. The elastic support body 72 is a pressure spring, which can convert the pressure received in the longitudinal direction into the swinging force of the transverse swinging, so as to realize the possibility of swinging.
Specifically, the air outlet 221 is in the form of a water droplet, and the diameter of the air outlet 221 gradually increases toward the axial direction of the roll tube 22. The water drops form a water drop air channel, and the wind generated by the impeller set 8 directly acts on the gap between the lap joint tongue 16 and the waste material through the water drop air channel to play a role in guiding the wind direction.
Example 2
Referring to fig. 5, on the basis of embodiment 1, a plurality of blowing holes 711 are provided on the annular collar 71. The air hole 711 further increases the contact area between the air and the cardboard, thereby further improving the air blowing effect.
Example 3
Referring to fig. 6 to 7, on the basis of embodiment 2, a dancer assembly 9 is provided between the creasing die 5 and the cutting blade 6. An tightness adjusting component 9 is arranged between the indentation die 5 and the cutting knife 6, so that the tightness degree of the cutting knife 6 can be adjusted, and then when the cutting knife 6 collapses inwards due to overlong service time, the original position can be restored through the tightness adjusting component 9, and the firmness of the cutting knife 6 is ensured.
The tightness adjusting assembly 9 comprises a first pipe fitting 91 fixedly connected with the indentation die 5, and a second pipe fitting 92 inserted into the first pipe fitting 91, one end of the second pipe fitting 92 extends to the surface of the cutting knife 6 and is mutually fixed, and the inserted end of the first pipe fitting 91 is in threaded connection with a clamping ring 93, so that the clamping ring 93 can be screwed or unscrewed. Specifically, the circumference of the plugging end of the first pipe fitting 91 is provided with plugging protrusions, the plugging protrusions are arranged in a gap, and when the snap ring 93 is screwed clockwise, the plugging protrusions are close to each other, so that the plugging protrusions are in contact with and pressed against the second pipe fitting 92, and vice versa. The cutting knife 6 is a trapezoid, two sides of the cutting knife are respectively and fixedly connected with the straight line sides of the indentation die 5, 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 mold 5 are arc edges, and several arc edges form a complete circle, and the edges adjacent to the arc edges are straight lines.
The specific operation process of the device is as follows:
Firstly, the first motor and the second motor are started at the same time, so that the first roller body and the second roller body rotate reversely relative to each other, namely, one rotates clockwise and the other rotates anticlockwise; and then the paper board is gradually close to a 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 in contact with each other, the paper board 12 moves downwards under the driving of the rotating force. In the moving 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 edges of the paper board can be completed; meanwhile, the waste separating assembly on the second roller body shakes left and right back and forth under the action of contact friction, and waste nested at the edge of the paper board can be shaken off by the shaking force, so that the formed paper box mold is separated from the waste. Wherein, because the cardboard is held by the hydraulic pushing mechanism all the time in the pushing process (wherein the hydraulic pushing mechanism can be a hydraulic mechanical arm), the cardboard can not be laterally deviated due to the shaking force of the waste separating component in the whole cutting process, thereby finally realizing the separation of the waste and the carton mould and obtaining the final carton mould as shown in fig. 8.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the present invention is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A paperboard die cutting device for corrugated cartons, comprising: the novel rolling machine comprises a first roller body (1) and a second roller body (2) which are arranged on a supporting frame in parallel, wherein two ends of the first roller body (1) and two ends of the second roller body (2) are respectively correspondingly connected with a first motor (3) and a second motor (4) in a driving mode, a gap is reserved between the first roller body (1) and the second roller body (2), and the novel rolling machine 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 dies (5) arrayed along the circumference of the surface of the first roller body (1), edges of adjacent indentation dies (5) are mutually attached, and cutting blades (6) are symmetrically and fixedly connected to two ends of each indentation die (5);
The second roller body (2) comprises a transmission shaft (21) and a hollow press roller tube 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 rotary connection with the press roller tube body (22), and a waste separating assembly (7) is elastically connected to the position, corresponding to the cutting knife (6), of the press roller tube body (22);
the waste separating assembly (7) comprises an annular ferrule (71) and a plurality of elastic supporting bodies (72), the circumferences of the elastic supporting bodies (72) are arranged on the outer surface of the compression roller tube body (22), and the inner wall of the annular ferrule (71) is fixedly connected with the elastic supporting bodies (72);
the elastic support body (72) is a pressure spring;
The compression roller tube body (22) is characterized in that a plurality of air outlet holes (221) are formed in the circumferences of the two ends of the compression roller tube body (22), the air outlet holes (221) correspond to the positions of the cutting blades (6), impeller groups (8) are arranged in the compression roller tube body (22), and the impeller groups (8) are symmetrically and fixedly connected to the two ends of the transmission shaft (21).
2. The paperboard die cutting device for corrugated cartons according to claim 1, wherein the air outlet holes (221) are in a water drop shape, and the diameters of the air outlet holes (221) are gradually enlarged towards the axial direction of the press roller tube body (22).
3. A cardboard die cutting device for corrugated boxes according to claim 2, characterized in that the annular collar (71) is provided with a number of blow holes (711).
4. A cardboard die cutting device for corrugated cartons according to claim 1, characterized in that a tightness adjusting assembly (9) is arranged between the creasing die (5) and the cutting blade (6).
5. The paperboard die cutting device for corrugated cartons according to claim 4, characterized in that the tightness adjusting assembly (9) comprises a first pipe fitting (91) fixedly connected with the indentation die (5) and a second pipe fitting (92) inserted into the first pipe fitting (91), one end of the second pipe fitting (92) extends to the surface of the cutting knife (6) and is mutually fixed, a clamping ring (93) is connected with the inserted end of the first pipe fitting (91) in a threaded manner, and the clamping ring (93) can be screwed or unscrewed.
6. The paperboard die cutting device for corrugated cartons according to claim 5, wherein the cutting knife (6) is integrally trapezoidal, two sides of the cutting knife are fixedly connected with the straight line sides of the indentation die (5) respectively, and the second pipe fitting (92) is fixedly connected with 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 true CN115320169B (en) 2024-05-24

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