CN210935627U - Roller coating production line for heat-insulating decorative plate - Google Patents
Roller coating production line for heat-insulating decorative plate Download PDFInfo
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- CN210935627U CN210935627U CN201921293346.XU CN201921293346U CN210935627U CN 210935627 U CN210935627 U CN 210935627U CN 201921293346 U CN201921293346 U CN 201921293346U CN 210935627 U CN210935627 U CN 210935627U
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Abstract
The utility model relates to a heat preservation decorative board roller coat production line, it includes plain board grinder, first putty machine, putty grinder, first accurate single roll roller coater, first UV desiccator, the accurate single roll roller coater of second, second UV desiccator, the accurate single roll roller coater of third, third UV desiccator, the accurate single roll roller coater of fourth, the accurate single roll roller coater of fifth, infrared levelling machine, fourth UV desiccator and conveyer, wherein, carry out three priming paint processes to the base plate with the help of first accurate single roll roller coater, the accurate single roll roller coater of second and the accurate single roll roller of third; and carrying out two-time finish treatment on the substrate by virtue of a fourth precise single-roller coater and a fifth precise single-roller coater, so that the single-layer coating amount is reduced, and the surface form and parameters of a paint film are favorable for interface combination. In addition, the paint film with a thinner thickness is more beneficial to UV curing, thereby shortening the total curing time and ensuring good curing forming of the paint film bonding area.
Description
Technical Field
The utility model belongs to the technical field of the heat preservation decorative board manufacturing technology and specifically relates to a heat preservation decorative board roller coat production line.
Background
With the continuous acceleration of urbanization process in China, a large number of high-rise buildings emerge, and then the demand of heat-insulating decorative plates is increased day by day. In the past, a high-pressure spraying mode is usually adopted to realize a primer coating process and a finish coating process for a heat-insulating decorative plate, components such as a curing agent, a diluent and the like need to be prepared in a specific use process, the operation is very inconvenient, the activation period of the prepared coating is very short, and the cross-linking and curing phenomena are easy to occur. Nowadays, a precise single-roll roller coating machine is widely used to replace a high-pressure spraying method in terms of manufacturing cost reduction and environmental protection. In the prior art, the primer and the finish of the thermal insulation decorative board are formed by one-time roll coating (as shown in fig. 1), but the rear surface paint film of the finished product is easy to have pinhole defects, which affects the appearance, has low adhesion, poor bonding stability, and is easy to peel off in the later use process, so technical personnel are urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a production line is scribbled to roller for the film of heat preservation decorative board has good shaping quality, and has great cohesion between each film.
In order to solve the technical problem, the utility model relates to a heat preservation decorative board roller coat production line, it includes the plain board grinder that arranges in proper order, first putty shaping unit, the putty grinder, first accurate single roll roller coater, first UV desiccator, the accurate single roll roller coater of second, second UV desiccator, the accurate single roll roller coater of third, third UV desiccator, the accurate single roll roller coater of fourth, the accurate single roll roller coater of fifth, infrared levelling machine and fourth UV desiccator, in addition, still including being used for carrying the conveyer of base plate between each process, wherein, carry out three priming paint processes to the base plate in proper order and in succession with the help of the accurate single roll roller coater of above-mentioned first, accurate single roll roller coater of second and the accurate single roll roller coater of third; respectively performing semi-curing treatment on the substrate by using a first UV dryer, a second UV dryer and a third UV dryer, and performing interleaving in the three primer coating processes; and (4) sequentially carrying out finish paint treatment twice on the substrate by means of a fourth precise single-roller coater and a fifth precise single-roller coater.
As a further improvement of the above technical solution, the first, second, third, fourth and fifth precision single-roll coaters each include a coating roll and a metering roll; the coating roller is set as a polyurethane rubber covered roller, and left and right threads with a thread pitch of 2.5-3mm are turned on the surface of the coating roller; the quantitative roller is a hard chromium mirror plating roller;
as a further improvement of the above technical solution, the glue line hardness of the coating roller is 50shore, and the compression amount of the coating roller relative to the substrate is 0.2-0.3 mm; the compression amount of the quantitative roller relative to the substrate is 0.3-0.5 mm, and the linear velocity is controlled to be 6-8 m/s.
As a further improvement of the above technical means, a thread is provided on the surface of the coating roll.
As a further improvement of the technical scheme, the thread pitch of the thread is 2.5-3mm, and the thread is turned.
As a further improvement of the technical scheme, the roll coating production line of the heat-insulating decorative plate further comprises a second putty forming unit which is sequentially arranged between the first putty forming unit and the putty sanding machine.
As a further improvement of the technical scheme, a 240# abrasive belt is matched with the plain plate sander; a400 # abrasive belt is matched with the putty sander.
As a further improvement of the above technical solution, the first UV dryer, the second UV dryer, and the third UV dryer are all single iodine gallium lamp dryers; the fourth UV dryer is a 1 iodine gallium lamp +2 mercury lamp dryer.
Compare in the production line of scribbling of heat preservation decorative board roller of traditional design form the utility model discloses an among the technical scheme, adopt the mode of multilayer pile to take shape priming paint layer and finish paint layer to reduce the paint coating volume of individual layer paint film, make form, the parameter that the surface of paint film presented be favorable to the combination of interface, increased the adhesive force between the paint film. In addition, the paint film with a thin thickness is more beneficial to the penetration of the radiation of the UV dryer to the bottom, thereby shortening the total curing time, ensuring the good curing and forming of the paint film bonding area and further ensuring the bonding stability.
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 these drawings without creative efforts.
FIG. 1 is a flow chart of a roller coating process of an insulation decorative plate in the prior art.
Fig. 2 is a roller painting process flow chart of the medium thermal insulation decorative plate of the utility model.
Figure 3 is the utility model discloses well heat preservation decorative board roller coat production line's workshop layout map.
Figure 4 is the utility model discloses the structure sketch map of the first accurate single roll roller coating machine in the heat preservation decorative board roller coat production line.
Fig. 5 is a schematic perspective view of the coating roller of the precision single-roller roll coater of the present invention.
1-a plain plate sander; 2-a first putty forming unit; 3-putty sander; 4-a first precision single roll roller coater; 41-coating roll; 411-annular protrusion; 42-a dosing roller; 43-a backing roll; 44-a conveying unit; 5-a first UV dryer; 6-a second precision single-roller roll coater; 7-a second UV dryer; 8-a third precision single-roll coater; 9-a third UV dryer; 10-a fourth precision single roll roller coater; 11-a fifth precision single-roll coater; 12-an infrared leveling machine; 13-a fourth UV dryer; 14-a conveyor; 15-a second putty forming unit.
Detailed Description
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The following description is made in detail in connection with the specific embodiments, and fig. 3 shows a layout diagram of a workshop of a roller coating production line for a middle insulation decorative board of the present invention, which mainly comprises a plain board sander 1, a first putty molding unit 2, a putty sander 3, a first precise single-roller coater 4, a first UV dryer 5, a second precise single-roller coater 6, a second UV dryer 7, a third precise single-roller coater 8, a third UV dryer 9, a fourth precise single-roller coater 10, a fifth precise single-roller coater 11, an infrared leveling machine 12 and a fourth UV dryer 13, which are sequentially arranged in the left-right direction; in addition, a conveyor 14 is also included for transferring the substrate among the processes (i.e., among the above-mentioned apparatuses), wherein the substrate is sequentially and continuously subjected to three priming processes by means of the above-mentioned first precise single-roll coater 4, second precise single-roll coater 6 and third precise single-roll coater 8; respectively carrying out semi-curing treatment on the substrate by virtue of a first UV dryer 5, a second UV dryer 7 and a third UV dryer 9, and inserting the semi-curing treatment in the three primer coating processes; the substrate is subjected to finish treatment twice by means of a fourth precision single-roll coater 10 and a fifth precision single-roll coater 11. Therefore, in the process of forming and manufacturing the heat-insulating decorative plate, three primer processes and two finish processes (a process flow chart is shown in fig. 2) are performed, so that the paint coating amount of a single-layer paint film is reduced, the thickness of the paint film is reduced, the form and parameters presented on the surface of the paint film are beneficial to the combination of interfaces, and the adhesive force among the paint films is increased. In addition, the paint film with a thin thickness is more beneficial to the radiation of the UV driers 5, 7 and 9 to penetrate and reach the bottom, thereby shortening the total curing time, ensuring the good curing and forming of the paint film bonding area and further ensuring the bonding stability.
It should be emphasized here that the first putty forming unit 2 is formed by combining a putty forming machine and a curing machine. In addition, in the finish paint roll coating process, the front roll coating plays a role in wetting, so that a paint layer of the rear roll coating is easier to spread, and the forming of a paint film is facilitated.
According to the practical experiment result, when the single-roller coating amount of the three-layer primer is controlled to be 8-12 g/m for the heat-insulating decorative board with the thickness of 8mm2When the molding is carried out, a good molding effect can be obtained. The reason for this is that: the thinner the paint film, the less the strip will act as a film when the roller has completed a pure shearing motion away from the plate, the more finely the coating will be, and therefore more smoothly. Aiming at the finish paint coating procedure, when the coating weight of the fourth precise single-roller rolling coater 10 is controlled to be 5-8 g/m2The coating weight of the fifth precise single-roll roller coating machine 11 is controlled to be 12-18 g/m2When the molding is carried out, a good molding effect can be obtained. The reason for this is that: the using amount of the subsequent painting process is slightly larger than that of the previous painting process, and the secondary flowing process of the paint film coating is favorably carried out along with the increase of the coating amount of the finish paint, so that the flatness of the finally formed paint film is favorably improved.
As a further refinement of the structure of the roll coating line for the thermal insulation decorative panel, the first precise single roll coater 4 includes an application roll 41, a quantitative roll 42, and a backing roll 43, wherein the application roll 41 and the quantitative roll 42 are opposed to each other. The backing roller 43 is arranged directly below the applicator roller 41 and collectively clamps the substrate (as shown in fig. 4). The coating roller 41 is set as a polyurethane rubber-coated roller; the dosing roller 42 is arranged as a hard chrome mirror-plated roller. Therefore, in the actual roller coating process, the polyurethane rubber covered roller always has a certain elastic quantity relative to the substrate, so that the stability and the uniform speed of the substrate in the running process are ensured, and the distribution of the primer on the roller coating surface is more uniform. Generally, the coating roll 41 preferably has a hardness of the glue layer of about 50shore and a compression amount of 0.2 to 0.3mm with respect to the substrate; the compression amount of the quantitative roller 42 relative to the substrate is preferably controlled to be 0.3 to 0.5mm, and the linear velocity is controlled to be 6 to 8 m/s. By way of analogy, the second precision single-roll coater 6, the third precision single-roll coater 8, the fourth precision single-roll coater 10 and the fifth precision single-roll coater 11 are arranged with reference to the first precision single-roll coater 4.
Further, it is also possible to provide the surface of the above-described applying roller 41 with annular projections 411, which are provided in plural numbers and are evenly distributed along the axial direction of the applying roller 41 (as shown in fig. 5). Preferably, the cross section of the annular protrusion 411 is also designed as an isosceles trapezoid, and the width thereof is gradually reduced along the radial direction of the applying roller 41. Of course, the surface of the coating roller 41 may be provided with a screw thread (not shown), and the pitch of the screw thread may be controlled to be 2.5 to 3 mm. In this way, on the one hand, the coating material wrapped by the thread groove can be coated on the substrate in the roll coating process, and the coating amount is increased. On the other hand, the existence of the annular bulge 411 or the thread can cut the paint film, so that the surface tension of the paint film is completely released, the later wrinkling phenomenon is prevented, and the forming flatness of the paint film is ensured. It should be additionally noted that the above threads are preferably machined in view of reducing manufacturing difficulty and production cost.
In addition, the roll coating production line of the heat-insulating decorative plate further comprises a second putty forming unit 15 which is sequentially arranged between the first putty forming unit 2 and the putty sanding machine 3 (as shown in fig. 2). Namely, the putty construction process of the substrate is also arranged in a double-layer mode, so that the flatness and the forming quality of the putty layer are ensured. The reason for this is that: the substrate is made of porous material, and many pores are left on the surface after the substrate is subjected to sanding process. The first putty filling is helpful for filling the pores, and provides a flat reference surface for next putty roller painting. In addition, the roll coating process of the putty is pure shearing movement, and a part of the putty is inevitably brought in the actual roll coating process, so that the defects of the previous time of putty can be further repaired by the last time of putty through at least two times of the roll coating process of the putty, and a good leveling effect is achieved.
In addition, a 240# abrasive belt is preferably matched with the plain plate sander; a 400# sanding belt (not shown) is preferred to fit the putty sander described above. It is known that as the number of the abrasive belts increases, the number of active free radicals on the surface of each paint layer is exposed and cured by sanding, so as to improve the surface polarity of the paint layer, thereby increasing the mechanical adhesion of the paint film and further improving the adhesion between the paint mold layers.
Finally, in order to improve the curing speed and the forming quality of the putty layer, the primer layer and the finish paint layer, the first UV dryer 5, the second UV dryer 7 and the third UV dryer 9 are all single iodine gallium lamp dryers; the fourth UV dryer 13 is a 1 iodine gallium lamp +2 mercury lamp dryer (not shown).
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A roller coating production line for heat-insulating decorative plates is characterized by comprising a plain plate sander, a first putty forming unit, a putty sander, a first precise single-roller coater, a first UV dryer, a second precise single-roller coater, a second UV dryer, a third precise single-roller coater, a third UV dryer, a fourth precise single-roller coater, a fifth precise single-roller coater, an infrared leveling machine and a fourth UV dryer which are sequentially arranged, and a conveyor for transferring a substrate among all working procedures, wherein the first precise single-roller coater, the second precise single-roller coater and the third precise single-roller coater are used for sequentially and continuously carrying out three priming paint processes on the substrate; respectively performing semi-curing treatment on the substrate by means of the first UV dryer, the second UV dryer and the third UV dryer, and performing interleaving in the three priming paint coating processes; and carrying out finish paint treatment on the substrate twice by means of the fourth precise single-roller coating machine and the fifth precise single-roller coating machine.
2. The roll coating production line of the heat-insulating decorative plate according to claim 1, wherein the first, second, third, fourth and fifth precision single-roll coating machines each comprise a coating roll and a dosing roll, and the coating roll is a polyurethane-coated roll; the quantitative roller is a hard chromium plating mirror roller.
3. The roller coating production line of the heat-insulating decorative plate as claimed in claim 2, wherein the glue line hardness of the coating roller is 50shore, and the compression amount of the coating roller relative to the substrate is 0.2-0.3 mm; the compression amount of the quantitative roller relative to the substrate is 0.3-0.5 mm, and the linear velocity is controlled at 6-8 m/s.
4. The roll coating production line of the heat-insulating decorative plate as claimed in claim 3, wherein threads are arranged on the surface of the coating roll.
5. The roll coating production line of the heat-insulating decorative plate as claimed in claim 4, wherein the thread pitch of the threads is 2.5-3mm, and the roll coating production line is turned.
6. The roll coating production line for the heat-insulating decorative boards as claimed in any one of claims 1 to 5, further comprising a second putty forming unit arranged between the first putty forming unit and the putty sander.
7. The roll coating production line of the heat-insulating decorative plate as claimed in claim 6, wherein a No. 240 abrasive belt is matched with the plain plate sanding machine; and a 400# abrasive belt is matched with the putty sander.
8. The roll coating production line for the heat-insulating decorative plates as claimed in claim 1, wherein the first UV dryer, the second UV dryer and the third UV dryer are all single iodine gallium lamp dryers; the fourth UV dryer is a 1 iodine gallium lamp +2 mercury lamp dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293346.XU CN210935627U (en) | 2019-08-12 | 2019-08-12 | Roller coating production line for heat-insulating decorative plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293346.XU CN210935627U (en) | 2019-08-12 | 2019-08-12 | Roller coating production line for heat-insulating decorative plate |
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| CN210935627U true CN210935627U (en) | 2020-07-07 |
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| CN201921293346.XU Active CN210935627U (en) | 2019-08-12 | 2019-08-12 | Roller coating production line for heat-insulating decorative plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822302A (en) * | 2020-07-27 | 2020-10-27 | 菲林格尔家居科技股份有限公司 | Side edge coating process for wooden plain door leaf |
| CN114392906A (en) * | 2022-02-07 | 2022-04-26 | 江苏友威科技股份有限公司 | Environment-friendly film hardening UV coating process |
-
2019
- 2019-08-12 CN CN201921293346.XU patent/CN210935627U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822302A (en) * | 2020-07-27 | 2020-10-27 | 菲林格尔家居科技股份有限公司 | Side edge coating process for wooden plain door leaf |
| CN111822302B (en) * | 2020-07-27 | 2022-04-22 | 南京林业大学 | Side edge coating process for wooden plain door leaf |
| CN114392906A (en) * | 2022-02-07 | 2022-04-26 | 江苏友威科技股份有限公司 | Environment-friendly film hardening UV coating process |
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