CN115816918A - Heating and shaping production process for paper corner protector - Google Patents
Heating and shaping production process for paper corner protector Download PDFInfo
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- CN115816918A CN115816918A CN202211714687.6A CN202211714687A CN115816918A CN 115816918 A CN115816918 A CN 115816918A CN 202211714687 A CN202211714687 A CN 202211714687A CN 115816918 A CN115816918 A CN 115816918A
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- base paper
- pressing
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- 230000001012 protector Effects 0.000 title claims abstract description 44
- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000007493 shaping process Methods 0.000 title claims abstract description 9
- 239000000123 paper Substances 0.000 claims abstract description 229
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 239000011087 paperboard Substances 0.000 claims abstract description 28
- 239000011324 bead Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 230000000670 limiting effect Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000009998 heat setting Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011111 cardboard Substances 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000007602 hot air drying Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000012856 packing Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a paper corner protector heating and shaping production process, which comprises the following steps: s1, correspondingly installing a paper tube of base paper on a paper frame according to the number of layers of paper, and comprising the following substeps: s11, after the paper tube is sleeved and mounted on the paper frame, the paper tube is positioned by using a limiting device on the bracket, so that the paper tube can only rotate on the paper frame; s7, after the paper board is formed, high-strength pressing is carried out on the paper board through a corresponding pressing wheel forming die, so that the paper board forms a paper corner protector; and S8, pressing the paper corner protector formed by the pressing wheel in the step S7, conveying the paper corner protector to a die-cutting machine for die cutting, wherein the action of a host is controlled by the die-cutting machine through a PLC central processing system, so that a pressing block moves downwards to press the paper corner protector. This paper angle bead heating design production technology can carry out even waste heat to its body paper, can improve hot-blast blowing scope when drying the design simultaneously, and the in-process that cuts simultaneously conveniently compresses tightly spacingly to the paper angle bead.
Description
Technical Field
The invention relates to the technical field of paper corner protector processing, in particular to a heating and shaping production process of a paper corner protector.
Background
The paper angle bead can be called as an edge plate again, the paper angle bead is formed by molding and pressing through an angle bead machine after being pasted with a plurality of pieces of kraft paper, the paper angle bead can be generally divided into two types of L shape and U shape, and after the paper angle bead is used for stacking goods, the edge supporting force of the packing materials can be conveniently enhanced and the integral packing strength of the packing materials can be protected.
However, the existing paper corner protector production process has the following problems:
when preheating the body paper, holistic preheating effect is relatively poor, leads to the body paper to appear preheating inhomogeneous phenomenon everywhere easily, and when drying and finalizing the design, whole hot-blast blowing scope is comparatively fixed simultaneously, is not convenient for improve the public effect to the cardboard at the in-process of drying, carries out the in-process that the paper angle bead was cut simultaneously, is not convenient for play good limiting displacement to the paper angle bead.
We have therefore proposed a process for the heat setting of paper corner protectors in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a heating and setting production process of a paper corner protector, which aims to solve the problems that the overall preheating effect is poor and the phenomenon of uneven preheating is easily caused at each part of base paper when the existing paper corner protector production process in the market proposed by the background technology preheats the base paper, the blowing range of overall hot air is fixed when drying and setting are carried out, the public effect on a paper board is inconvenient to improve in the drying process, and the paper corner protector is inconvenient to have a good limiting effect in the paper corner protector cutting process.
In order to achieve the purpose, the invention provides the following technical scheme: the production process for heating and shaping the paper corner protector comprises the following steps:
s1, correspondingly installing a paper tube of base paper on a paper frame according to the number of layers of paper, and comprising the following substeps:
s11, after the paper tube is sleeved and mounted on the paper frame, the paper tube is positioned by using a limiting device on the support, so that the paper tube can only rotate on the paper frame and cannot translate left and right, and the paper tube is prevented from moving in the paper placing process;
s2, leading the end part of the base paper on the paper cylinder out of the paper frame, so that the base paper led out of the paper cylinder is in a tight state, preventing the base paper on the paper cylinder from wrinkling in the moving process, and leading the end part of the base paper on the paper cylinder to be attached to the surface of the paper guide roller after the base paper on the paper cylinder passes through the tension roller;
s3, leading the end part of the base paper to a heating roller for preheating, enabling the inner side of the base paper on a paper cylinder of the base paper to be tightly attached to the outer side of the heating roller, carrying out transmission and guide on the base paper through the rotation of a paper guide roller, and heating the base paper through the rotation of the heating roller;
s4, after heating the base paper, coating the base paper with corresponding glue on the surface of the base paper in a subsequent conveying process, and then troweling the glue by using a scraper to ensure the thickness of the glue;
s5, correspondingly coating glue on the surface of base paper, and pressing the multilayer base paper through a pressing roller to form a paperboard;
s6, drying the paperboard formed by pressing in the step S5 to enable glue on the paperboard to be completely solidified and then naturally cooled, so that the final paperboard can be formed;
s7, after the paper board is formed, high-strength pressing is carried out on the paper board through a corresponding pressing wheel forming die, so that the paper board forms a paper corner protector;
and S8, pressing the paper corner protector formed by the pressing wheel in the step S7, conveying the paper corner protector to a die-cutting machine for die cutting, wherein the die-cutting machine adopts a PLC central processing system to control the action of a host, controls the air cylinder through a PLC controller, enables the pressing block to move downwards to press the paper corner protector, and controls the hydraulic cylinder to extend downwards through a cutter at the lower end of the hydraulic cylinder to cut off the paper corner protector by utilizing the PLC controller.
Preferably, closely laminate each other between the body paper that the tip roller outer wall of tensioning roller and paper tube carried, and the tip roller of tensioning roller can rotate, guarantees that the body paper on the paper tube can carry out normal transport
Through adopting above-mentioned technical scheme, utilize the rotation of tensioning roller lower extreme roller to can make its body paper can carry out normal transport, improve the smoothness degree of body paper in transportation process.
Preferably, the upper end of tensioning roller has still set up the lead screw of taking the screw thread for adjust the initial position of tensioning roller, the upper end of tensioning roller has set up the internal thread of mutually supporting with the lead screw, and installs through threaded connection's mode between the upper end of tensioning roller and the lead screw.
Through adopting above-mentioned technical scheme, thereby utilize the rotation of lead screw can make threaded connection's tensioning roller carry out the ascending removal of vertical side, and then can change the tight dynamics to the body paper through the position control of tensioning roller, the convenience is adjusted according to actual need, prevents that lax phenomenon from appearing in the body paper.
Preferably, the heating roller is of a hollow structure, holes for air outlet are formed in the surface of the heating roller, an air pipe convenient for air outlet outwards is connected to the middle of the heating roller through a bearing, and a heater is installed at the lower end of the air pipe.
Through adopting above-mentioned technical scheme, the wind energy of carrying through the tuber pipe can utilize the outside blowout of air outlet of its lower extreme, thereby can heat the wind that the air outlet blew out through the heater of tuber pipe lower extreme, hot-blast outside discharge to the body paper through the hole from this.
Preferably, the glue is coated on the surface of the base paper in a spraying mode, and a spray head for spraying the glue can perform reciprocating translation in the horizontal direction, so that the uniformity of the base paper glue coating is improved.
Through adopting above-mentioned technical scheme, thereby utilize the reciprocal movement about spraying the glue shower nozzle can increase the homogeneity when scribbling the body paper rubberizing water, avoid glue to appear scribbling the phenomenon of omitting.
Preferably, the width of scraper is greater than the width of body paper on the fiber container, and the lower extreme of scraper and the surface of body paper on the fiber container laminate each other, and the upper end of scraper is provided with the adjusting part that can height-adjusting, and the power of adjusting part is provided through the cylinder.
Through adopting above-mentioned technical scheme, the drive through the cylinder can adjust the laminating degree between scraper and the body paper, utilizes the scraper to scrape the glue on the body paper simultaneously and levels off, makes the thickness of its glue unanimous.
Preferably, the drying treatment mode of the paperboard adopts a hot air drying mode, and the air outlet head can swing back and forth around the central shaft, so that the blowing range of hot air is improved.
Through adopting above-mentioned technical scheme, can improve the blowing scope to hot-blast through the swing of going out the wind head, prevent to be heated inhomogeneous phenomenon to appear in the in-process cardboard of drying.
Preferably, the pinch roller die is driven by a high-power alternating current motor, a frequency converter is matched to control the motor to run, the pinch rollers are connected with the motor by a speed reducer and a transmission shaft, and the pinch rollers rotate synchronously.
Through adopting above-mentioned technical scheme, utilize the setting of reduction gear and transmission shaft to guarantee that a plurality of pinch rollers carry out synchronous revolution, utilize the transmission shaft to guarantee the stationarity of pinch roller when moving simultaneously.
Preferably, the pressing block and the paper angle bead are located on the same vertical straight line, the pressing block moves up and down through the air cylinder controller to complete pressing and limiting of the paper angle bead, the shape of the pressing block is matched with that of the paper angle bead, and the attaching degree between the pressing block and the paper angle bead is improved.
By adopting the technical scheme, the shapes of the pressing block and the paper corner protector are mutually matched, so that the stability of the pressing block in the process of pressing the paper corner protector can be improved, and the phenomenon that the paper corner protector is loosened and deviated in the slitting process is prevented.
Compared with the prior art, the invention has the beneficial effects that: the heating and shaping production process for the paper angle bead can uniformly waste heat for the base paper, can improve the blowing range of hot air during drying and shaping, and can conveniently compress and limit the paper angle bead in the slitting process;
1. the tensioning roller is arranged, the base paper can be compressed and limited in the base paper conveying process on the paper cylinder through the tensioning roller, the tensioning force of the base paper in the base paper conveying process is guaranteed, the base paper is prevented from being loosened in the conveying process, meanwhile, the initial position of the tensioning roller can be adjusted through the rotation of the lead screw, and the tensioning force of the base paper can be changed according to actual conditions through the position change of the tensioning roller;
2. the heating roller is arranged, the conveyed raw paper can be heated through the heating roller, meanwhile, the air pipe in the middle of the heating roller can be used for spraying air flow outwards, the blown air flow is heated through the heater at the lower end of the air pipe, the heated air flow flows outwards through the holes in the heating roller, the preheating effect on the raw paper is improved, and meanwhile, the reciprocating swing of the air outlet head is utilized, so that the blowing range of the air outlet head on hot air can be improved, and the heating and drying effect on the paperboard is improved;
3. be provided with the briquetting, at the in-process of cutting the paper angle bead, move down through cylinder control briquetting to can utilize the briquetting to treat the paper angle bead of cutting and compress tightly spacingly, utilize compressing tightly of briquetting and then can improve the stability when cutting the paper angle bead from this, avoid at the in-process of cutting, the not hard up phenomenon appears in the paper angle bead.
Drawings
FIG. 1 is a schematic view of a production process of the present invention;
FIG. 2 is a schematic perspective view of a heating roller and an air duct according to the present invention;
FIG. 3 is a schematic sectional front view of the air duct and heater of the present invention.
In the figure: 1. a heating roller; 2. a hole; 3. an air duct; 4. a heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the production process for heating and shaping the paper corner protector comprises the following steps:
s1, installing a paper tube of base paper on a paper frame according to the number of layers of paper, and comprising the following substeps:
s11, after the paper tube is sleeved and mounted on the paper frame, the paper tube is positioned by using a limiting device on the support, so that the paper tube can only rotate on the paper frame and cannot translate left and right, and the paper tube is prevented from moving in the paper placing process;
s2, leading the end part of the base paper on the paper cylinder out of the paper frame, so that the base paper led out of the paper cylinder is in a tight state, preventing the base paper on the paper cylinder from wrinkling in the moving process, and leading the end part of the base paper on the paper cylinder to be attached to the surface of the paper guide roller after the base paper on the paper cylinder passes through the tension roller;
s3, leading the end part of the base paper to a heating roller for preheating, enabling the inner side of the base paper on a paper cylinder of the base paper to be tightly attached to the outer side of the heating roller 1, enabling the base paper to be conveyed and guided through the rotation of a paper guide roller, and enabling the base paper to be heated through the rotation of the heating roller 1;
s4, after heating the base paper, coating the base paper with corresponding glue on the surface of the base paper in a subsequent conveying process, and then troweling the glue by using a scraper to ensure the thickness of the glue;
s5, correspondingly coating glue on the surface of base paper, and pressing the multilayer base paper through a pressing roller to form a paperboard;
s6, drying the paperboard formed in the step S5, and naturally cooling the glue on the paperboard after the glue on the paperboard is completely solidified, so that the final paperboard can be formed;
s7, after the paper board is formed, high-strength pressing is carried out on the paper board through a corresponding pressing wheel forming die, so that the paper board forms a paper corner protector;
and S8, pressing the paper corner protector formed by the pressing wheel in the step S7, conveying the paper corner protector to a die-cutting machine for die cutting, wherein the die-cutting machine adopts a PLC central processing system to control the action of a host, controls the air cylinder through a PLC controller, enables the pressing block to move downwards to press the paper corner protector, and controls the hydraulic cylinder to extend downwards through a cutter at the lower end of the hydraulic cylinder to cut off the paper corner protector by utilizing the PLC controller.
The outer wall of the end roller of the tension roller is tightly attached to the base paper conveyed by the paper tube, the end roller of the tension roller can rotate, and the base paper on the paper tube can be conveyed normally
The upper end of the tensioning roller is also provided with a threaded screw rod for adjusting the initial position of the tensioning roller, the upper end of the tensioning roller is provided with internal threads matched with the screw rod, and the upper end of the tensioning roller and the screw rod are installed in a threaded connection mode.
The inside of warming mill 1 is hollow structure, and the surface of warming mill 1 is provided with the hole 2 of air-out, and the middle part of warming mill 1 is connected with the tuber pipe 3 of the outside air-out of being convenient for through the bearing, and heater 4 is installed to the lower extreme of tuber pipe.
Glue is coated on the surface of the base paper in a spraying mode, and a spray head for spraying the glue can perform reciprocating translation in the horizontal direction, so that the uniformity of the base paper glue during coating is improved.
The width of scraper is greater than the width of body paper on the fiber container, and the lower extreme of scraper and the surface of body paper on the fiber container laminate each other, and the upper end of scraper is provided with the adjusting part that can height-adjusting, and the power of adjusting part passes through the cylinder and provides.
The drying treatment mode of cardboard adopts hot air drying's mode, and goes out the wind head and can carry out reciprocating swing around the center pin, improves hot-blast blowing scope.
The pinch roller die is driven by a high-power alternating current motor, a frequency converter is matched to control the motor to run, the pinch rollers are connected with the motor by a speed reducer and a transmission shaft, and the pinch rollers synchronously rotate.
The pressing block and the paper angle bead are located on the same vertical straight line, the pressing block moves up and down through the air cylinder controller to complete pressing and limiting of the paper angle bead, the shape of the pressing block is matched with that of the paper angle bead, and the attaching degree between the pressing block and the paper angle bead is improved.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The paper corner protector heating and shaping production process is characterized by comprising the following steps of: the production process comprises the following steps:
s1, correspondingly installing a paper tube of base paper on a paper frame according to the number of layers of paper, and comprising the following substeps:
s11, after the paper tube is sleeved and mounted on the paper frame, the paper tube is positioned by using a limiting device on the support, so that the paper tube can only rotate on the paper frame and cannot translate left and right, and the paper tube is prevented from moving in the paper placing process;
s2, leading the end part of the base paper on the paper cylinder out of the paper frame, so that the base paper led out of the paper cylinder is in a tight state, preventing the base paper on the paper cylinder from wrinkling in the moving process, and leading the end part of the base paper on the paper cylinder to be attached to the surface of the paper guide roller after the base paper on the paper cylinder passes through the tension roller;
s3, leading the end part of the base paper to a heating roller for preheating, enabling the inner side of the base paper on a paper cylinder of the base paper to be tightly attached to the outer side of the heating roller, carrying out transmission and guide on the base paper through the rotation of a paper guide roller, and heating the base paper through the rotation of the heating roller;
s4, after heating the base paper, coating the base paper with corresponding glue on the surface of the base paper in a subsequent conveying process, and then troweling the glue by using a scraper to ensure the thickness of the glue;
s5, correspondingly coating glue on the surface of base paper, and pressing the multilayer base paper through a pressing roller to form a paperboard;
s6, drying the paperboard formed by pressing in the step S5 to enable glue on the paperboard to be completely solidified and then naturally cooled, so that the final paperboard can be formed;
s7, after the paper board is formed, high-strength pressing is carried out on the paper board through a corresponding pressing wheel forming die, so that the paper board forms a paper corner protector;
and S8, pressing the paper corner protector formed by the pressing wheel in the step S7, conveying the paper corner protector to a die-cutting machine for die cutting, wherein the die-cutting machine adopts a PLC central processing system to control the action of a host, controls the air cylinder through a PLC controller, enables the pressing block to move downwards to press the paper corner protector, and controls the hydraulic cylinder to extend downwards through a cutter at the lower end of the hydraulic cylinder to cut off the paper corner protector by utilizing the PLC controller.
2. The paper corner protector heat setting production process according to claim 1, characterized in that: the base paper that the tip roller outer wall of tensioning roller and paper barrel carried closely laminates each other, and the tip roller of tensioning roller can rotate, guarantees that the base paper on the paper barrel can carry out normal transport.
3. The paper corner protector heat setting production process according to claim 2, characterized in that: the upper end of tensioning roller has still set up the screwed lead screw for adjust the initial position of tensioning roller, the upper end of tensioning roller has set up the internal thread of mutually supporting with the lead screw, and installs through threaded connection's mode between the upper end of tensioning roller and the lead screw.
4. The paper corner protector heat setting production process according to claim 1, characterized in that: the heating roller is of a hollow structure, holes for air outlet are formed in the surface of the heating roller, an air pipe convenient for outward air outlet is connected to the middle of the heating roller through a bearing, and a heater is installed at the lower end of the air pipe.
5. The paper corner protector heat setting production process according to claim 1, characterized in that: glue is coated on the surface of the base paper in a spraying mode, and a spray head for spraying the glue can perform reciprocating translation in the horizontal direction, so that the uniformity of the base paper glue coating is improved.
6. The paper corner protector heat setting production process according to claim 1, characterized in that: the width of scraper is greater than the width of body paper on the fiber container, and the lower extreme of scraper and the surface of body paper on the fiber container laminate each other, and the upper end of scraper is provided with the adjusting part that can height-adjusting, and the power of adjusting part provides through the cylinder.
7. The paper corner protector heat setting production process according to claim 1, characterized in that: the drying treatment mode of cardboard adopts hot air drying's mode, and goes out the wind head and can carry out reciprocating swing around the center pin, improves hot-blast blowing scope.
8. The paper corner protector heat setting production process according to claim 1, characterized in that: the pinch roller die is driven by a high-power alternating current motor, a frequency converter is matched to control the motor to run, the pinch rollers are connected with the motor by a speed reducer and a transmission shaft, and the pinch rollers synchronously rotate.
9. The paper corner protector heat setting production process according to claim 1, characterized in that: the pressing block and the paper angle bead are located on the same vertical straight line, the pressing block moves up and down through the air cylinder controller to complete pressing and limiting of the paper angle bead, the shape of the pressing block is matched with that of the paper angle bead, and the attaching degree between the pressing block and the paper angle bead is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211714687.6A CN115816918A (en) | 2022-12-27 | 2022-12-27 | Heating and shaping production process for paper corner protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211714687.6A CN115816918A (en) | 2022-12-27 | 2022-12-27 | Heating and shaping production process for paper corner protector |
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| Publication Number | Publication Date |
|---|---|
| CN115816918A true CN115816918A (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211714687.6A Pending CN115816918A (en) | 2022-12-27 | 2022-12-27 | Heating and shaping production process for paper corner protector |
Country Status (1)
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| CN (1) | CN115816918A (en) |
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|---|---|---|---|---|
| KR20010027879A (en) * | 1999-09-16 | 2001-04-06 | 서도장 | Fabrication apparatus of paper angle and paper channel to use the silicic acid soda bonding |
| CN108749140A (en) * | 2018-06-04 | 2018-11-06 | 阜城县天晟纸管机械有限公司 | A kind of U-shaped corrugated board corner protector process units |
| CN208646166U (en) * | 2018-07-19 | 2019-03-26 | 邯郸市邯钢附属企业公司 | A kind of coil of strip paper angle protector protection line |
| CN210100743U (en) * | 2018-12-05 | 2020-02-21 | 青岛合昌包装有限公司 | Preheating mechanism of film coating machine |
| CN210652092U (en) * | 2019-09-11 | 2020-06-02 | 上海恒峰纸业包装有限公司 | Paper angle bead preheats control and inhales gluey rate device |
| CN113334862A (en) * | 2021-05-21 | 2021-09-03 | 福建合信包装有限公司 | Production process of multilayer composite environment-friendly heavy corrugated board |
| CN215704581U (en) * | 2021-08-02 | 2022-02-01 | 江门市汇誉包装器材有限公司 | U-shaped paper corner protector production device |
| CN215751068U (en) * | 2021-07-28 | 2022-02-08 | 青岛市首胜实业有限公司 | U-shaped paper corner protector production device |
| CN215976635U (en) * | 2021-06-28 | 2022-03-08 | 龙口锦昇包装有限公司 | Gluing paperboard bonding dryer |
-
2022
- 2022-12-27 CN CN202211714687.6A patent/CN115816918A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010027879A (en) * | 1999-09-16 | 2001-04-06 | 서도장 | Fabrication apparatus of paper angle and paper channel to use the silicic acid soda bonding |
| CN108749140A (en) * | 2018-06-04 | 2018-11-06 | 阜城县天晟纸管机械有限公司 | A kind of U-shaped corrugated board corner protector process units |
| CN208646166U (en) * | 2018-07-19 | 2019-03-26 | 邯郸市邯钢附属企业公司 | A kind of coil of strip paper angle protector protection line |
| CN210100743U (en) * | 2018-12-05 | 2020-02-21 | 青岛合昌包装有限公司 | Preheating mechanism of film coating machine |
| CN210652092U (en) * | 2019-09-11 | 2020-06-02 | 上海恒峰纸业包装有限公司 | Paper angle bead preheats control and inhales gluey rate device |
| CN113334862A (en) * | 2021-05-21 | 2021-09-03 | 福建合信包装有限公司 | Production process of multilayer composite environment-friendly heavy corrugated board |
| CN215976635U (en) * | 2021-06-28 | 2022-03-08 | 龙口锦昇包装有限公司 | Gluing paperboard bonding dryer |
| CN215751068U (en) * | 2021-07-28 | 2022-02-08 | 青岛市首胜实业有限公司 | U-shaped paper corner protector production device |
| CN215704581U (en) * | 2021-08-02 | 2022-02-01 | 江门市汇誉包装器材有限公司 | U-shaped paper corner protector production device |
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