CN114211822A - Corrugated container board shaping is supported and is pressed auxiliary device - Google Patents
Corrugated container board shaping is supported and is pressed auxiliary device Download PDFInfo
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- CN114211822A CN114211822A CN202111562120.7A CN202111562120A CN114211822A CN 114211822 A CN114211822 A CN 114211822A CN 202111562120 A CN202111562120 A CN 202111562120A CN 114211822 A CN114211822 A CN 114211822A
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- conveyor
- corrugated
- board
- gear
- buffer
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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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
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Abstract
The invention discloses a corrugated board forming and pressing auxiliary device which comprises a corrugated board cutting machine body and a conveyor, wherein a conveying channel of the conveyor is provided with a sunken road section; the conveyer is positioned in the sunken section and is rotationally provided with a buffer plate; when the conveyer conveys the overlapped corrugated paper boards, the reciprocating mechanism is driven by the driving mechanism so that the buffer board is 20-30 degrees based on the plane of the conveying channel. According to the corrugated board forming and pressing auxiliary device provided by the invention, the buffer board rises to be used for being in contact with the corrugated boards conveyed to the conveyor from the cutting machine body, so that the effect of pre-bearing the corrugated boards is achieved, the corrugated boards do not directly fall on the conveyor belt of the conveyor under the action of inertia, the height of one end of each corrugated board falling on the plane of the conveyor belt is reduced, the bumping amplitude caused by direct contact of the corrugated boards and the conveyor belt is further reduced, and the separation of the contacted ends of the two overlapped corrugated boards under the bumping condition is weakened or even avoided.
Description
Technical Field
The invention relates to the technical field of corrugated board processing, in particular to a corrugated board forming and pressing auxiliary device.
Background
As is known, after a corrugated board is formed, a plurality of paper boards can be folded into a carton, and in the forming process of the corrugated board, the method includes cutting a long-strip paper board by a cutting roller on a cutting machine, cutting the long-strip paper board into small paper boards with equal length under the continuous rotation of the cutting roller, sequentially conveying the cut paper boards onto a conveyor, and in the conveying process, when the paper boards are located on an inclined section of a conveying channel of the cutting machine, overlapping the tail end of a previous cut paper board with the front end of a next cut paper board, conveying the two overlapped paper boards onto the conveyor belt to a stacking area, and when the paper boards are stacked, sliding down from the conveyor belt due to pre-overlapping, sequentially stacking the overlapped small paper boards on the conveyor belt.
The invention with publication number CN109911301A, entitled "adjusting, pressing and conveying device for packaging corrugated boards", granted disclosure date 20190621, comprises a transverse conveying frame, a plurality of upper supporting legs are fixed on the outer side wall of the left part of the cross beams on two sides of the transverse conveying frame, a main horizontal plate is fixed on the top surfaces of all the upper supporting legs, and the top surface of the main horizontal plate is provided with a lifting pressing mechanism; and the outer side walls of the left parts of the cross beams on the two sides of the transverse conveying frame are respectively fixed with an adjusting pushing cylinder, and a push rod of the adjusting pushing cylinder penetrates through the cross beams on the two sides of the transverse conveying frame and is fixed with a pushing block.
The prior art including the above patent has the disadvantages that two corrugated boards overlapped on an inclined road section can be instantly conveyed to a conveying belt in a horizontal state, in the process, one end of the front paper board of the two overlapped corrugated boards is conveyed to the conveying belt from the inclined state, a section of arc motion trend which is forward and downward exists under the action of inertia, and a certain bump is generated when the two corrugated boards fall on the conveying belt under the motion, so that the overlapping degree of the two corrugated boards can be influenced, even the two corrugated boards are separated, and the subsequent stacking is influenced.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a corrugated cardboard forming and pressing auxiliary device to solve the above disadvantages in the prior art.
In order to achieve the above object, the present invention provides a corrugated cardboard forming pressing auxiliary device, which comprises a cardboard cutting machine body and a conveyor, wherein a conveying channel of the conveyor is provided with a concave section; the conveyer is positioned in the sunken section and is rotationally provided with a buffer plate; when the conveyer conveys the overlapped corrugated paper boards, the reciprocating mechanism is driven by the driving mechanism to enable the buffer board to be 20-30 degrees based on the plane of the conveying channel.
Preferably, the reciprocating mechanism is disposed on one side of the conveying passage of the conveyor, and the reciprocating mechanism makes the buffer plate and the conveying passage of the conveyor in a horizontal state in an initial state.
Preferably, the conveyor is provided with a driving mechanism for driving the reciprocating mechanism.
Preferably, the reciprocating mechanism is mounted to be movable between: the buffer board is driven by the reciprocating mechanism to rotate and rise in the sunken road section of the conveyor, and the buffer board is driven by the reciprocating mechanism to reset in the sunken road section and be in a horizontal state with the conveying channel.
Preferably, the reciprocating mechanism comprises a moving frame, an incomplete gear and a synchronous gear, the moving frame is arranged on one side of the conveying channel of the conveyor in a sliding mode, the moving frame comprises a rectangular frame and two sets of tooth-shaped structures arranged on the rectangular frame, the two sets of tooth-shaped structures are meshed with the incomplete gear, the synchronous gear is arranged on the same shaft of the incomplete gear, and the synchronous gear is arranged on the conveyor in a rotating mode.
Preferably, the driving mechanism comprises a motor and a moving gear arranged on the output end of the motor, the moving gear is meshed with the synchronous gear, and when the motor is started, the moving gear is matched with the synchronous gear to synchronously drive the incomplete gear to be meshed with the transmission moving frame to move.
Preferably, a plurality of second rollers are linearly distributed on the buffer plate, and the second rollers are in contact with the corrugated boards on the conveying channel of the conveyor.
Preferably, a limiting part is arranged between every two adjacent second rollers.
Preferably, the moving frame is provided with a convex rod on one side of the concave section of the conveyor, and one end of the convex rod extends into the concave section.
Preferably, the buffer board is provided with a triangular block matched with the convex rod, and when the triangular block is abutted against the convex rod, the buffer board moves outwards in an arc shape in a concave road section.
In the above technical solution, the corrugated board forming pressing auxiliary device provided by the present invention has the following beneficial effects: according to the corrugated board stacking device, the buffer board is driven by the driving mechanism on the conveyor to rotate and ascend in the sunken section, the buffer board ascends to be used for being in direct contact with the corrugated boards conveyed to the conveyor from the cutting machine body, the effect of pre-bearing is achieved on the corrugated boards, the corrugated boards do not directly fall on the conveyor belt of the conveyor under the inertia effect, the height of one end of each corrugated board falling on the plane of the conveyor belt is reduced, the bumping amplitude caused by direct contact of the corrugated boards and the conveyor belt is further reduced, and the phenomenon that the contact end of two overlapped corrugated boards is separated under the bumping condition to influence subsequent stacking is weakened or even avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the body and the conveyor of the paperboard cutting machine of the present invention;
FIG. 3 is a schematic view of the internal cross-sectional structure of the buffer plate and the protruding rod according to the present invention;
FIG. 4 is a schematic cross-sectional view of the inside of the inclined portion and the buffering portion of the present invention;
FIG. 5 is a schematic view of a partial cross-sectional view of the angled portion and bumper portion and nose bar of the present invention;
FIG. 6 is a schematic structural view of the movable frame and the incomplete gear according to the present invention;
FIG. 7 is a schematic view of a partial structure of a buffer plate according to the present invention;
FIG. 8 is a partial structural view of another perspective of the buffer plate of the present invention;
FIG. 9 is a schematic view of a pressing sheet according to the present invention;
FIG. 10 is a schematic view of a buffer plate according to the present invention;
FIG. 11 is a schematic view of the internal cross-sectional structure of the buffer plate according to the present invention.
Description of reference numerals:
1. a paperboard cutter body; 2. a conveyor; 3. corrugated board; 4. a machine base; 5. a movable frame; 6. pressing the sheet; 1.1, a cutting roller; 1.2, a first conveying roller; 1.3, a second conveying roller; 1.4, a conveying chute; 1.5, a third conveying roller; 2.1, a first roller; 2.2, a buffer plate; 2.3, triangular blocks; 2.4, a conveyor belt; 2.5, a second roller; 2.6, an inclined part; 2.7, a buffer part; 2.8, a limiting part; 2.9, a rectangular groove; 4.1, a motor; 4.2, a running gear; 5.1, a convex rod; 5.2, incomplete gear; 5.3, synchronizing gears.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-11, a corrugated cardboard forming and pressing auxiliary device is used to solve the problem that two corrugated cardboards overlapped on an inclined section are immediately conveyed to a horizontal conveyor belt, in the process, when one end of the front corrugated cardboard is conveyed to the conveyor belt from an inclined state, a section of arc motion trend which is forward and downward is generated under the action of inertia, and the two corrugated cardboards fall on the conveyor belt to generate certain jolt under the motion, which affects the overlapping degree of the two corrugated cardboards, even causes the two corrugated cardboards to be separated, and affects the subsequent stacking.
The invention further provides a technical scheme, which comprises a paperboard cutting machine body 1 and a conveyor 2, wherein a conveying channel of the conveyor 2 is provided with a sunken road section; the conveyer 2 is provided with a buffer plate 2.2 in a rotating way in the sunken section; when the conveyer 2 conveys the overlapped corrugated boards, the reciprocating mechanism is driven by the driving mechanism to enable the buffer board 2.2 to be 20-30 degrees based on the plane of the conveying channel, in particular, the conveyer 2 is arranged on one side of the conveying channel of the paperboard cutter body 1, as shown in the state of figure 1, the conveying channel of the conveyer 2 is a conveying belt, a depression is formed in the conveying stroke of the conveying belt, further, when the corrugated boards on the cutter body 1 move from the inclined section to the conveying belt 2.4 of the conveyer 2, under the inertia of the conveying of the cutter body 1, when the corrugated boards move to the conveyer 2, the two overlapped corrugated boards located at the front position can be directly located at the buffer board 2.2 under the inertia, and the buffer board 2.2 is enabled to rotate in the depression section under the driving mechanism on the conveyer 2 before the buffer board 2.2, wherein, the range on the buffer board 2.2 rotation is 20-30 based on the plane of conveyer belt 2.4, specific ascending range sets up according to technical staff's in the art demand, the range that this buffer board 2.2 ascends is used for carrying out direct contact with the corrugated container board from the conveying of cutting machine body 1 to conveyer 2 promptly, play the effect of bearing in advance to the cardboard, let the cardboard not directly drop on conveyer belt 2.4 of conveyer 2 under inertial effect, the range that falls on conveyer belt 2.4 plane under the cardboard one end has been reduced, and then reduced the range of jolting that cardboard and conveyer belt 2.4 direct contact brought, avoided making the one end separation of two overlapping corrugated container board contact under the condition of jolting.
In this embodiment, the pressing pieces 6 are linearly distributed on the board cutter body 1, preferably, the pressing pieces 6 are elastic pieces and are arranged in a row, one end of each elastic piece is located above the conveying chute 1.4 and is used for pressing the corrugated boards in the conveying chute 1.4, and further, the cutting roller 1.1, the first conveying roller 1.2, the second conveying roller 1.3 and the third conveying roller 1.5 are arranged on the board cutter body 1, as shown in the state of fig. 2 and 9, which is the prior art and will not be described again.
In another embodiment of the present invention, the reciprocating mechanism is disposed on one side of the conveying channel of the conveyor 2, and in the initial state, the reciprocating mechanism makes the buffer plate 2.2 and the conveying channel of the conveyor 2 in a horizontal state, in this embodiment, the buffer plate 2.2 is specifically a rectangular structure, and the rectangular structure makes the plane of the buffer plate 2.2 located in the concave section of the conveyor 2 before implementation conveniently in a horizontal state with the conveyor belt 2.4, and when the buffer plate 2.2 and the conveyor belt 2.4 are in a horizontal state, it is convenient for the paper board located on the buffer plate 2.2 to be conveyed on the conveyor belt 2.4.
In yet another embodiment of the present invention, the shuttle is configured to move between: the first station, the driving mechanism drives the buffer board 2.2 to rotate and rise in the sunken road section of the conveyor 2 through the reciprocating mechanism, the second station, the reciprocating mechanism drives the buffer board 2.2 to reset in the sunken road section and the conveying channel is in a horizontal state, further, the reciprocating mechanism has two stations which can make the buffer board 2.2 rotate and rise and rotate and reset in the sunken route, and the specific reset stroke is, after the buffer board 2.2 has been loaded to one end of the corrugated cardboard, the buffer board 2.2 is reset, and after the reset, the buffer board 2.2 is in a horizontal state with the conveyor belt 2.4, so that the subsequent corrugated cardboard can be conveniently conveyed from the buffer board 2.2, the length of the buffer board 2.2 in the sunken section is one third of that of the small corrugated board, so that when one end of the small corrugated board is carried by the buffer board 2.2, the tail part of the small corrugated board can be contacted with the conveyor belt 2.4 for conveying.
In still another embodiment of the present invention, preferably, the reciprocating mechanism includes a moving frame 5, an incomplete gear 5.2 and a synchronous gear 5.3, the moving frame 5 is slidably disposed on one side of the conveying passage of the conveyor 2, the moving frame 5 includes a rectangular frame and two sets of tooth-shaped structures disposed on the rectangular frame, the two sets of tooth-shaped structures are engaged with the incomplete gear 5.2, the synchronous gear 5.3 is disposed coaxially with the incomplete gear 5.2, and the synchronous gear 5.3 is rotatably disposed on the conveyor 2, further, when the incomplete gear 5.2 is engaged with the set of tooth-shaped structures disposed below the inner wall of the moving frame 5, the moving frame 5 is driven to slide leftwards in a rectangular groove 2.9 on the conveyor 2 under engagement transmission, as shown in the state of fig. 6, and after the engagement stroke of the incomplete gear 5.2 and the lower tooth-shaped structure is over, during the course of the continuous rotation, it will engage with the tooth-shaped structure above the inner wall of the moving frame 5, so that the moving frame 5 will slide to the right for resetting during the engagement transmission.
In another embodiment of the present invention, a driving mechanism for driving the reciprocating mechanism is disposed on the conveyor 2, further, the driving mechanism disposed on the conveyor 2 is a power source of the reciprocating mechanism, and drives the reciprocating mechanism to move on the conveyor 2, further, the driving mechanism includes a motor 4.1 and a moving gear 4.2 disposed on an output end of the motor 4.1, the moving gear 4.2 is engaged with the synchronizing gear 5.3, and when the motor 4.1 is started, the moving gear 4.2 is engaged with the synchronizing gear 5.3 to synchronously drive the incomplete gear 5.2 to engage with the transmission moving frame 5 to move.
In this embodiment, a base 4 is disposed on the conveyor 2, and is used for placing a motor 4.1, the motor 4.1 controls the opening and closing time of the motor 4.1 through an external device, further, the motor 4.1 is opened for a time period when the cardboard cutting machine 1 has cut two small-sized cardboard sheets and overlapped at an inclined section and continuously conveys the two small-sized cardboard sheets to the conveyor 2, before the cardboard sheets are conveyed to the conveyor 2 and contacted with the conveyor belt 2.4 in a plane, at this time, the motor 4.1 is started under the engagement of the output end action gear 4.2 and the synchronous gear 5.3, and drives the incomplete gear 5.2 and the moving frame 5 to perform meshing transmission, so that the moving frame 5 displaces and abuts against the buffer plate 2.2 to move the cardboard sheets in an arc shape to a falling stroke, as shown in states of fig. 6 and fig. 7, and further reduces the falling height of the cardboard sheets.
In another embodiment of the present invention, in order to further convey the corrugated cardboard 3 on the buffer board 2, a placement groove is opened on the buffer board 2.2, a plurality of second rollers 2.5 are linearly distributed on the placement groove of the buffer board 2.2, the second rollers 2.5 contact the corrugated cardboard on the conveying channel of the conveyor 2, as shown in the state of fig. 5, further, the number of the second rollers 2.5 is set based on the length of the placement groove, the second rollers 2.5 are higher than the buffer board 2.2 and at the same horizontal position with the plane of the conveyor belt 2.4 in the initial state of the buffer board 2.2, a limiting part 2.8 is provided between every two adjacent second rollers 2.5, as shown in the state of fig. 11, the limiting part is rectangular and is arc-shaped around the side of the second roller 2.5, the outer wall of the second roller 2.5 is arc-shaped, and the limiting part 2.8 fills the gap between every two adjacent second rollers 2.5 in the placement groove, when one end of the paper board conveyed to the conveyor 2 is in contact with the buffer board 2.2, the paper board is smoother, and the smoothness of conveying the corrugated paper board on the buffer board 2.2 is improved.
In still another embodiment of the present invention, the movable frame 5 is provided with a protruding rod 5.1 at one side of the concave section of the conveyor 2, and one end of the protruding rod 5.1 extends into the concave section, the buffer board 2.2 is provided with a triangular block 2.3 matching with the protruding rod 5.1, when the triangular block 2.3 is abutted with the protruding rod 5.1, the buffer board 2.2 moves outwards in the concave section in an arc shape, further, the protruding rod 5.1 can be rectangular or circular, as the most preferred embodiment of the present invention, the protruding rod 5.1 is circular, and when the circular protruding rod 5.1 is abutted with the triangular block 2.3, the process of the abutment is more smooth, specifically, the outer wall of the movable frame 5 is provided with a protruding rod 5.1 on the concave section of the conveyor 2, as shown in fig. 4, and the movable frame 5 is driven by the driving mechanism, and in the sliding process, it will be matched with the bottom of the buffer board 2.2.2 through the protruding rod 5.1, as shown in fig. 3, the abutted triangular blocks 2.3 are forced to rotate and lift the buffer board 2.2 in the concave section.
Furthermore, in the embodiment, the triangular block 2.3 is provided with a buffer part 2.7 and an inclined part 2.6, as shown in fig. 4 and 5, the two parts are inserted into the outer wall of the triangular block 2.3 on the side where the protruding rod 5.1 abuts, and further, the buffer part 2.7 is arranged between the two inclined parts 2.6, so that when the convex rod 5.1 is abutted with the triangular block 2.3, the process can be divided into three sections, the two inclined parts 2.6 are two sections of descending processes, the buffering part 2.7 is a process of buffering at one end, and particularly, after the corrugated board is loaded by the buffering plate 2.2 through three-section arrangement, when the buffer plate 2.2 descends and resets, the buffer plate 2.2 descends for a section first, then descends with one end gradually full, further improves the buffer effect of the buffer plate 2.2 when the bearing paper board buffers, and finally descends with the last end to reset the buffer plate 2.2, the height of the corrugated cardboard to the conveyor belt 2.4 is reduced in stages by the three-stage lowering.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A corrugated board forming and pressing auxiliary device comprises a corrugated board cutting machine body (1) and a conveyor (2), and is characterized in that a conveying channel of the conveyor (2) is provided with a sunken road section;
the conveyer (2) is provided with a buffer plate (2.2) in a rotating way in the sunken section;
when the conveyer (2) conveys the overlapped corrugated boards, the reciprocating mechanism is driven by the driving mechanism to enable the buffer board (2.2) to be at an angle of 20-30 degrees based on the plane of the conveying channel.
2. A corrugated cardboard forming press-on aid according to claim 1, characterised in that the reciprocating mechanism is arranged on one side of the conveying path of the conveyor (2) and in that the reciprocating mechanism in the initial state brings the buffer board (2.2) and the conveying path of the conveyor (2) into a horizontal state.
3. Corrugated cardboard forming support device according to claim 1, characterized in that a drive mechanism for driving the reciprocating mechanism is arranged on the conveyor (2).
4. A corrugated board forming aid as claimed in claim 3 wherein the reciprocator is mounted for movement between: the buffer board conveying device comprises a first station, a driving mechanism drives the buffer board (2.2) to rotate and rise in a sunken road section of the conveyor (2) through a reciprocating mechanism, and a second station drives the buffer board (2.2) to reset in the sunken road section and be in a horizontal state with the conveying channel.
5. A corrugated cardboard forming press-assisting device as claimed in claim 1, wherein the reciprocating mechanism comprises a moving frame (5), an incomplete gear (5.2) and a synchronizing gear (5.3), the moving frame (5) is slidably arranged on one side of the conveying channel of the conveyor (2), the moving frame (5) comprises a rectangular frame and two sets of tooth-shaped structures arranged on the rectangular frame, the two sets of tooth-shaped structures are meshed with the incomplete gear (5.2), the synchronizing gear (5.3) is arranged on the same axis of the incomplete gear (5.2), and the synchronizing gear (5.3) is rotatably arranged on the conveyor (2).
6. A corrugated cardboard forming press-supporting auxiliary device as claimed in claim 3 wherein the driving mechanism comprises a motor (4.1) and a running gear (4.2) arranged on the output end of the motor (4.1), the running gear (4.2) is engaged with the synchronous gear (5.3), when the motor is started, the running gear (4.2) is engaged with the synchronous gear (5.3) to synchronously drive the incomplete gear (5.2) to engage with the transmission moving frame (5) for movement.
7. A corrugated cardboard forming press-on aid as claimed in claim 1, characterised in that a plurality of second rollers (2.5) are arranged in a linear distribution on the buffer plate (2.2), which second rollers (2.5) are in contact with the corrugated cardboard on the conveying path of the conveyor (2).
8. A corrugated cardboard forming press-on aid according to claim 7, characterised in that a stop (2.8) is arranged between every two adjacent second rollers (2.5).
9. Corrugated cardboard forming support device according to claim 5, characterized in that the moving rack (5) is provided with a protruding bar (5.1) on one side of the concave section of the conveyor (2), and that one end of the protruding bar (5.1) extends into the concave section.
10. Corrugated cardboard forming support aid according to claim 9, characterized in that the buffer plate (2.2) is provided with a triangular block (2.3) which cooperates with the protruding bar (5.1), when the triangular block (2.3) abuts against the protruding bar (5.1), the buffer plate (2.2) is moved in an outwardly curved manner in a concave section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562120.7A CN114211822A (en) | 2021-12-18 | 2021-12-18 | Corrugated container board shaping is supported and is pressed auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562120.7A CN114211822A (en) | 2021-12-18 | 2021-12-18 | Corrugated container board shaping is supported and is pressed auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114211822A true CN114211822A (en) | 2022-03-22 |
Family
ID=80704433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111562120.7A Withdrawn CN114211822A (en) | 2021-12-18 | 2021-12-18 | Corrugated container board shaping is supported and is pressed auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114211822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116461154A (en) * | 2023-04-13 | 2023-07-21 | 淮安市金福隆包装有限公司 | Device for strengthening force line between corrugated paper and facial tissue |
-
2021
- 2021-12-18 CN CN202111562120.7A patent/CN114211822A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116461154A (en) * | 2023-04-13 | 2023-07-21 | 淮安市金福隆包装有限公司 | Device for strengthening force line between corrugated paper and facial tissue |
| CN116461154B (en) * | 2023-04-13 | 2023-11-03 | 淮安市金福隆包装有限公司 | Device for strengthening force line between corrugated paper and facial tissue |
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Application publication date: 20220322 |
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