CN114603631A - Paperboard cleaning device - Google Patents
Paperboard cleaning device Download PDFInfo
- Publication number
- CN114603631A CN114603631A CN202210298765.2A CN202210298765A CN114603631A CN 114603631 A CN114603631 A CN 114603631A CN 202210298765 A CN202210298765 A CN 202210298765A CN 114603631 A CN114603631 A CN 114603631A
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- Prior art keywords
- movable half
- transmission shaft
- cleaning
- fixedly connected
- fixing
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- 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
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
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- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of cleaning equipment, in particular to a paperboard cleaning device, wherein a telescopic cylinder is fixedly connected with a fixed seat, the telescopic cylinder is positioned above the fixed seat, the fixed plate is fixedly connected with the output end of the telescopic cylinder, a cleaning box is fixedly connected with the fixed plate, a negative pressure machine is fixedly connected with the fixed seat, two ends of a first connecting hose are respectively communicated with an air suction port of the cleaning box and an air suction port of the negative pressure machine, a driving motor is fixedly connected with the cleaning box, the driving motor is positioned at the top of the cleaning box, a transmission shaft penetrates through the cleaning box, the top of the transmission shaft is fixedly connected with the output end of the driving motor, a cleaning hairbrush is detachably connected with the transmission shaft, and the cleaning hairbrush is positioned at the bottom of the transmission shaft.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a paperboard cleaning device.
Background
The cardboard can produce more piece, dust at the in-process that punches, fluting, and piece and dust can adhere on the surface of cardboard, when the carton shaping back, can adhere on packing article. Most of the paperboards are assembled by corrugated paper, and scraps and dust in gaps of the paperboards are not convenient to clean.
Disclosure of Invention
The invention aims to provide a paperboard cleaning device which is used for conveniently cleaning chips and dust in gaps of paperboards.
In order to achieve the purpose, the invention provides a paperboard cleaning device which comprises a fixed seat, a telescopic cylinder, a fixed plate, a cleaning box, a first connecting hose, a negative pressure machine and a cleaning structure, wherein the telescopic cylinder is fixedly connected with the fixed seat, the telescopic cylinder is positioned above the fixed seat, the fixed plate is fixedly connected with the output end of the telescopic cylinder, the cleaning box is fixedly connected with the fixed plate, the negative pressure machine is fixedly connected with the fixed seat, and two ends of the first connecting hose are respectively communicated with an air suction port of the cleaning box and an air suction port of the negative pressure machine;
the cleaning structure comprises a driving motor, a transmission shaft and a cleaning brush, the driving motor is fixedly connected with the cleaning box, the driving motor is positioned at the top of the cleaning box, the transmission shaft penetrates through the cleaning box, the top of the transmission shaft is fixedly connected with the output end of the driving motor, the cleaning brush is detachably connected with the transmission shaft, the cleaning brush is positioned at the bottom of the transmission shaft, flexible bristles are arranged on the end face, away from the transmission shaft, of the cleaning brush, when a paper board needs to be cleaned, the paper board to be cleaned is placed on the fixing seat, the flexible bristles on the cleaning brush are attached to the paper board, the driving motor drives the cleaning brush to rotate, so that the flexible bristles on the cleaning brush continuously sweep out the scraps and dust in the paper board gap, and the negative pressure machine generates suction force during operation, thereby the piece and the dust that will sweep out pass through first connecting hose siphons away, just telescopic cylinder drives the dustbin removes to clean whole cardboard, clear up the piece and the dust that exist in the cardboard gap in order to realize, make the piece and the dust that exist in the cardboard gap comparatively convenient, solved the piece that exists in the gap of cardboard and the dust be not convenient for clear up the problem.
The fixing seat is provided with a mounting groove for placing the paperboard, and the mounting groove is located on the upper end face of the fixing seat so as to position the paperboard and facilitate the installation of the paperboard.
Wherein, the top of the cleaning brush is provided with a fixed structure, the transmission shaft is provided with a fixed opening, the fixed structure comprises movable half rings, a fixed frame and a first pressure spring which are matched with each other, the two movable half rings are oppositely arranged at the top of the cleaning brush and are in sliding connection with the cleaning brush, two ends of the first pressure spring are respectively propped against the movable half rings and the fixed frame, the first pressure spring is positioned inside the movable half rings, the fixed frame is positioned below the first pressure spring, the fixed frame is arranged on the movable half rings in a penetrating way and is in sliding connection with the movable half rings, one end of the fixed frame is positioned inside the fixed opening, and under the condition of no external force action, the first pressure spring props against the fixed frame, so that one end of the fixed frame is propped against and enters the fixed opening to be clamped, therefore, the cleaning brush is fixed with the transmission shaft, and when the cleaning brush needs to be detached, the fixing frame is stirred upwards, so that the fixing frame is withdrawn from the inside of the fixing port, and the cleaning brush can be detached.
The bottom of the movable half ring is provided with a connecting support, the connecting support is arranged in a T shape, the cleaning brush is provided with a connecting groove matched with the connecting support, the connecting support is positioned inside the connecting groove, the connecting support and the connecting groove are mutually matched to realize the transmission connection between the movable half ring and the cleaning brush, and the movable range of the movable half ring is limited.
The fixed structure further comprises a connecting spring, the two ends of the connecting spring are fixedly connected with the two movable half rings respectively, the connecting spring is located between the two movable half rings, and the connecting spring is always in a stretching state and has restoring force, so that the two movable half rings have the tendency of being drawn close to each other, and the cleaning brush can be conveniently fixed and disassembled.
Wherein, cardboard cleaning device is still including the structure of blowing, the structure of blowing includes hair-dryer, second coupling hose and bar air-out groove, the hair-dryer with fixing base fixed connection, bar air-out groove fixed mounting be in the inside of clean box, the both ends of second coupling hose respectively with the air outlet of hair-dryer with bar air-out groove is linked together, the hair-dryer operation produces wind and passes through bar air-out groove is discharged to blow off dust and piece in the cardboard gap, in order to make things convenient for the clearance, and can prevent that dust and piece from following easily splash out in the clean box, improved the clean effect to the cardboard.
According to the paperboard cleaning device, when a paperboard needs to be cleaned, the paperboard to be cleaned is placed on the fixed seat, the flexible bristles on the cleaning brush are attached to the paperboard, the driving motor drives the cleaning brush to rotate, so that the flexible bristles on the cleaning brush continuously sweep out chips and dust in gaps of the paperboard, the negative pressure machine operates to generate suction force, the swept-out chips and dust are sucked away through the first connecting hose, the telescopic cylinder drives the cleaning box to move, the whole paperboard is cleaned, the chips and dust in the gaps of the paperboard are conveniently cleaned, and the problem that the chips and dust in the gaps of the paperboard are inconvenient to clean is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a board cleaning device provided by the present invention.
FIG. 2 is a top view of a board cleaning device provided by the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention.
Fig. 4 is a cross-sectional view at B-B of fig. 3 in accordance with the present invention.
Fig. 5 is a partial enlarged view at C of fig. 3 provided by the present invention.
Fig. 6 is a partial enlarged view of fig. 3D provided by the present invention.
1-a fixed seat, 11-a mounting groove, 2-a telescopic cylinder, 3-a fixed plate, 4-a cleaning box, 41-a mounting cavity, 5-a first connecting hose, 6-a negative pressure machine, 7-a cleaning structure, 71-a driving motor, 72-a transmission shaft, 721-a fixed port, 73-a cleaning brush, 731-a connecting groove, 8-a fixed structure, 81-a movable half ring, 811-a connecting bracket, 82-a fixed frame, 83-a first pressure spring, 84-a connecting spring, 85-a pull ring, 9-a blowing structure, 91-a blower, 92-a second connecting hose, 93-a strip-shaped air outlet groove, 10-a shielding structure, 101-a second pressure spring, 102-a shielding plate and 103-a protective soft cushion.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the invention provides a paper board cleaning device, which includes a fixed seat 1, a telescopic cylinder 2, a fixed plate 3, a cleaning box 4, a first connecting hose 5, a negative pressure machine 6 and a cleaning structure 7, wherein the telescopic cylinder 2 is fixedly connected with the fixed seat 1, the telescopic cylinder 2 is located above the fixed seat 1, the fixed plate 3 is fixedly connected with an output end of the telescopic cylinder 2, the cleaning box 4 is fixedly connected with the fixed plate 3, the negative pressure machine 6 is fixedly connected with the fixed seat 1, and two ends of the first connecting hose 5 are respectively communicated with an air suction port of the cleaning box 4 and an air suction port of the negative pressure machine 6;
clean structure 7 includes driving motor 71, transmission shaft 72 and clean brush 73, driving motor 71 with clean case 4 fixed connection, driving motor 71 is located the top of clean case 4, transmission shaft 72 wears to establish on the clean case 4, just the top of transmission shaft 72 with driving motor 71's output fixed connection, clean brush 73 with the connection is dismantled to transmission shaft 72, clean brush 73 is located the bottom of transmission shaft 72, clean brush 73 keeps away from the terminal surface of transmission shaft 72 is provided with flexible brush hair.
In this embodiment, the telescopic cylinder 2 is fixedly installed above the fixing base 1, the fixing plate 3 is fixedly connected to an output end of the telescopic cylinder 2, the fixing plate 3 is used for installing the cleaning box 4, so that the telescopic cylinder 2 can drive the cleaning box 4 to move, one end of the first connecting hose 5 is communicated with an air suction port of the negative pressure machine 6, the other end of the first connecting hose 5 is communicated with the cleaning box 4, the driving motor 71 is fixedly installed at the top of the cleaning box 4, the top of the transmission shaft 72 is fixedly connected to an output end of the driving motor 71, so that the transmission shaft 72 can rotate along with the output end of the driving motor 71, the cleaning brush 73 is detachably connected to the transmission shaft 72, so that the cleaning brush 73 can rotate along with the transmission shaft 72, the cleaning brush 73 is detachably connected with the transmission shaft 72, so that the cleaning brush 73 can be detached from the transmission shaft 72 to conveniently replace or clean the cleaning brush 73, when the paperboard needs to be cleaned, the paperboard to be cleaned is placed on the fixing seat 1, the flexible bristles on the cleaning brush 73 are attached to the paperboard, the driving motor 71 drives the cleaning brush 73 to rotate, the flexible bristles on the cleaning brush 73 continuously sweep out the chips and dust in the paperboard gap, the negative pressure machine 6 operates to generate suction force, the swept-out chips and dust are sucked away through the first connecting hose 5, the telescopic cylinder 2 drives the cleaning box 4 to move, the whole paperboard is cleaned, the chips and dust existing in the paperboard gap are cleaned, and the chips and dust existing in the paperboard gap are convenient to clean, the problem of the piece that exists in the gap of cardboard and dust be not convenient for clear up is solved.
Further, the fixing seat 1 is provided with a mounting groove 11 for placing a paper board, and the mounting groove 11 is located on the upper end surface of the fixing seat 1.
In this embodiment, the upper end surface of the fixing seat 1 is provided with the mounting groove 11, and the mounting groove 11 is used for placing a paperboard, so as to position the paperboard and facilitate the installation of the paperboard.
Further, a fixing structure 8 is arranged at the top of the cleaning brush 73, the transmission shaft 72 has a fixing opening 721, the fixing structure 8 includes a movable half ring 81, a fixing frame 82 and a first pressure spring 83, which are arranged in a matching manner, the two movable half rings 81 are arranged at the top of the cleaning brush 73, the movable half rings 81 are slidably connected with the cleaning brush 73, two ends of the first pressure spring 83 are respectively abutted against the movable half rings 81 and the fixing frame 82, the first pressure spring 83 is located inside the movable half rings 81, the fixing frame 82 is located below the first pressure spring 83, the fixing frame 82 is arranged on the movable half rings 81 in a penetrating manner, the fixing frame 82 is slidably connected with the movable half rings 81, and one end of the fixing frame 82 is located inside the fixing opening 721.
In this embodiment, the fixing structure 8 is configured to fix the cleaning brush 73 and the transmission shaft 72, the movable half ring 81 can slide relative to the cleaning brush 73, and under the condition of no external force, the first pressure spring 83 abuts against the fixing frame 82, so as to abut one end of the fixing frame 82 into the fixing opening 721 for clamping, thereby fixing the cleaning brush 73 and the transmission shaft 72, and when the cleaning brush 73 needs to be detached, the fixing frame 82 is shifted upward, so that the fixing frame 82 is withdrawn from the fixing opening 721, and the cleaning brush 73 can be detached.
Further, a connecting support 811 is arranged at the bottom of the movable half ring 81, the connecting support 811 is in a T shape, the cleaning brush 73 has a connecting groove 731 matched with the connecting support 811, and the connecting support 811 is located inside the connecting groove 731.
In this embodiment, the connecting bracket 811 can slide inside the connecting groove 731, and the connecting bracket 811 and the connecting groove 731 cooperate with each other to achieve the transmission connection between the movable half ring 81 and the cleaning brush 73 and limit the movable range of the movable half ring 81.
Further, the fixing structure 8 further includes a connecting spring 84, two ends of the connecting spring 84 are respectively and fixedly connected to the two movable half rings 81, and the connecting spring 84 is located between the two movable half rings 81.
In the present embodiment, the connecting spring 84 is disposed between the two movable half rings 81, and the connecting spring 84 is always in a stretched state and has a restoring force, so that the two movable half rings 81 have a tendency to approach each other, thereby facilitating the fixing and dismounting of the cleaning brush 73.
Further, the fixing structure 8 further includes a pull ring 85, the pull ring 85 is fixedly connected to the movable half ring 81, and the pull ring 85 is located on an outer side surface of the movable half ring 81.
In the present embodiment, the pull ring 85 is disposed on the outer side surface of the movable half ring 81, and a worker may slide the movable half ring 81 by pulling the pull ring 85, thereby facilitating the movement of the movable half ring 81.
Further, the cardboard cleaning device still includes the structure 9 of blowing, the structure 9 of blowing includes hair-dryer 91, second coupling hose 92 and bar air-out groove 93, hair-dryer 91 with fixing base 1 fixed connection, bar air-out groove 93 fixed mounting is in the inside of cleaning box 4, the both ends of second coupling hose 92 respectively with the air outlet of hair-dryer 91 with bar air-out groove 93 is linked together.
In this embodiment, the slope of bar air-out groove 93 is installed the inside of dustbin 4, and is located the exit of dustbin 4, hair-dryer 91 fixed mounting be in on fixing base 1, bar air-out groove 93 with hair-dryer 91 passes through second coupling hose 92 is linked together, hair-dryer 91 operation production wind passes through bar air-out groove 93 discharges to blow off dust and piece in the cardboard gap, in order to make things convenient for the clearance, and can prevent that dust and piece from following easily splash out in dustbin 4, improved the clean effect to the cardboard.
Further, the paperboard cleaning device further comprises a shielding structure 10, the cleaning box 4 is provided with an installation cavity 41, the shielding structure 10 comprises a second pressure spring 101 and a shielding plate 102, two ends of the second pressure spring 101 are respectively fixedly connected with the cleaning box 4 and the shielding plate 102, the second pressure spring 101 is located inside the installation cavity 41, the shielding plate 102 is slidably connected with the cleaning box 4, and the shielding plate 102 is located below the second pressure spring 101.
In the present embodiment, the shielding plate 102 is pressed by the second pressing spring 101, so that the bottom of the shielding plate 102 contacts with the paper board, thereby preventing the debris and the dust from easily splashing out of the cleaning box 4, and improving the cleaning effect on the paper board.
Further, the shielding structure 10 further includes a protective cushion 103, the protective cushion 103 is fixedly connected to the shielding plate 102, and the protective cushion 103 is located below the shielding plate 102.
In this embodiment, the protective cushion 103 is disposed below the shielding plate 102, so as to prevent the shielding plate 102 from directly contacting the cardboard and damaging the cardboard, thereby protecting the cardboard.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A paper board cleaning device is characterized in that,
the cleaning device comprises a fixing seat (1), a telescopic cylinder (2), a fixing plate (3), a cleaning box (4), a first connecting hose (5), a negative pressure machine (6) and a cleaning structure (7), wherein the telescopic cylinder (2) is fixedly connected with the fixing seat (1), the telescopic cylinder (2) is positioned above the fixing seat (1), the fixing plate (3) is fixedly connected with the output end of the telescopic cylinder (2), the cleaning box (4) is fixedly connected with the fixing plate (3), the negative pressure machine (6) is fixedly connected with the fixing seat (1), and two ends of the first connecting hose (5) are respectively communicated with the cleaning box (4) and an air suction port of the negative pressure machine (6);
clean structure (7) include driving motor (71), transmission shaft (72) and clean brush (73), driving motor (71) with clean case (4) fixed connection, driving motor (71) are located the top of clean case (4), transmission shaft (72) are worn to establish on clean case (4), just the top of transmission shaft (72) with the output fixed connection of driving motor (71), clean brush (73) with transmission shaft (72) are dismantled and are connected, clean brush (73) are located the bottom of transmission shaft (72), clean brush (73) are kept away from the terminal surface of transmission shaft (72) is provided with flexible brush hair.
2. A board cleaning device as defined in claim 1,
the fixing seat (1) is provided with a mounting groove (11) for placing a paperboard, and the mounting groove (11) is located on the upper end face of the fixing seat (1).
3. A board cleaning device as defined in claim 2,
the top of the cleaning brush (73) is provided with a fixed structure (8), the transmission shaft (72) is provided with a fixed opening (721), the fixed structure (8) comprises a movable half ring (81), a fixed frame (82) and a first pressure spring (83) which are arranged in a matched manner, the two movable half rings (81) are oppositely arranged at the top of the cleaning brush (73), the movable half rings (81) are in sliding connection with the cleaning brush (73), two ends of the first pressure spring (83) are respectively abutted against the movable half rings (81) and the fixed frame (82), the first pressure spring (83) is positioned inside the movable half rings (81), the fixed frame (82) is positioned below the first pressure spring (83), the fixed frame (82) is arranged on the movable half rings (81) in a penetrating manner, and the fixed frame (82) is in sliding connection with the movable half rings (81), one end of the fixing frame (82) is positioned inside the fixing opening (721).
4. A board cleaning device as defined in claim 3,
the bottom of the movable half ring (81) is provided with a connecting support (811), the connecting support (811) is in a T-shaped arrangement, the cleaning brush (73) is provided with a connecting groove (731) matched with the connecting support (811), and the connecting support (811) is positioned inside the connecting groove (731).
5. A board cleaning device as defined in claim 4,
the fixing structure (8) further comprises a connecting spring (84), two ends of the connecting spring (84) are fixedly connected with the two movable half rings (81), and the connecting spring (84) is located between the two movable half rings (81).
6. A board cleaning device as defined in claim 5,
cardboard cleaning device still includes air blowing structure (9), air blowing structure (9) are including hair-dryer (91), second coupling hose (92) and bar air-out groove (93), hair-dryer (91) with fixing base (1) fixed connection, bar air-out groove (93) fixed mounting be in the inside of clean box (4), the both ends of second coupling hose (92) respectively with the air outlet of hair-dryer (91) with bar air-out groove (93) are linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298765.2A CN114603631A (en) | 2022-03-25 | 2022-03-25 | Paperboard cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298765.2A CN114603631A (en) | 2022-03-25 | 2022-03-25 | Paperboard cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114603631A true CN114603631A (en) | 2022-06-10 |
Family
ID=81866880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210298765.2A Pending CN114603631A (en) | 2022-03-25 | 2022-03-25 | Paperboard cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114603631A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197160A (en) * | 1991-02-04 | 1993-03-30 | Smith Alexander L | Cleaning device for cleaning carpets |
| KR100592556B1 (en) * | 2006-01-24 | 2006-06-26 | 임재선 | Scraps exclusion device of paper board for packing box |
| CN106738010A (en) * | 2016-12-13 | 2017-05-31 | 芜湖市天申新材料科技有限公司 | Chip covering lid is used in a kind of Packaging Box processing |
| CN109129084A (en) * | 2018-09-14 | 2019-01-04 | 芜湖美威包装品有限公司 | A kind of corrugated paper cleaning device |
| CN212685076U (en) * | 2020-05-21 | 2021-03-12 | 新蔡爱康金属科技有限公司 | Numerical control engraving machine convenient to clean |
| CN114179140A (en) * | 2021-12-03 | 2022-03-15 | 重庆维博动力科技有限公司 | Paperboard slitting device |
-
2022
- 2022-03-25 CN CN202210298765.2A patent/CN114603631A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197160A (en) * | 1991-02-04 | 1993-03-30 | Smith Alexander L | Cleaning device for cleaning carpets |
| KR100592556B1 (en) * | 2006-01-24 | 2006-06-26 | 임재선 | Scraps exclusion device of paper board for packing box |
| CN106738010A (en) * | 2016-12-13 | 2017-05-31 | 芜湖市天申新材料科技有限公司 | Chip covering lid is used in a kind of Packaging Box processing |
| CN109129084A (en) * | 2018-09-14 | 2019-01-04 | 芜湖美威包装品有限公司 | A kind of corrugated paper cleaning device |
| CN212685076U (en) * | 2020-05-21 | 2021-03-12 | 新蔡爱康金属科技有限公司 | Numerical control engraving machine convenient to clean |
| CN114179140A (en) * | 2021-12-03 | 2022-03-15 | 重庆维博动力科技有限公司 | Paperboard slitting device |
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