CN113578691A - Roller coater and liquid coating disc system thereof - Google Patents
Roller coater and liquid coating disc system thereof Download PDFInfo
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- CN113578691A CN113578691A CN202110806372.3A CN202110806372A CN113578691A CN 113578691 A CN113578691 A CN 113578691A CN 202110806372 A CN202110806372 A CN 202110806372A CN 113578691 A CN113578691 A CN 113578691A
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- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000000576 coating method Methods 0.000 title claims abstract description 111
- 239000011248 coating agent Substances 0.000 title claims abstract description 109
- 238000012423 maintenance Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007598 dipping method Methods 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000007761 roller coating Methods 0.000 description 17
- 238000004321 preservation Methods 0.000 description 10
- 101150006573 PAN1 gene Proteins 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
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- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009500 colour coating Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- Coating Apparatus (AREA)
Abstract
The invention relates to a liquid coating disc system of a roller coater, which comprises a base and a liquid coating disc, wherein a sliding rail is arranged on the base, the liquid coating disc is arranged on the sliding rail in a sliding mode, so that the liquid coating disc is provided with a first working position located at the top of the base and a first maintenance position at least partially moved out of the base, and a locking mechanism used for locking the liquid coating disc located at the first working position is further arranged on the base. The utility model also relates to a roll coater that disposes this coating liquid dish system. According to the invention, the liquid coating disc is arranged on the base in a sliding manner, and the liquid coating disc can be moved out of the base, namely out of the roller coater, so that the operations of cleaning, maintenance and the like of the liquid coating disc are facilitated, the operation beside the roller coater is avoided, the workload of maintenance personnel can be effectively reduced, the equipment maintenance efficiency is improved, and the labor cost and the maintenance danger are reduced.
Description
Technical Field
The invention belongs to the technical field of metallurgical equipment, and particularly relates to a liquid coating disc system of a roller coater and the roller coater provided with the liquid coating disc system.
Background
The roller coating is a coating method which comprises the steps of coating a coating on the surface of a substrate by rotating a roller, leveling and arranging the coating, uniformly transferring the coating onto the substrate, and curing to form a solid protective film on the surface of a coated piece. The roller coater is the core equipment for realizing the roller coating process, and is widely applied to the fields of cold-rolled strip steel processing units such as color coating, zinc plating and silicon steel coating due to the advantages of high film thickness control precision, high coating liquid viscosity adaptability and the like. The types of the roll coater are mainly divided into a vertical roll coater and a horizontal roll coater according to the trend of strip steel. The roller coater mainly comprises a coating roller set and a liquid coating disc system, wherein the coating roller set is provided with the liquid coating disc system, and the liquid coating disc system is a supply source of coating solution, so that the reliability, the stability and the cleanliness of the liquid coating disc system directly influence the coating quality of a base material.
Because the coating liquid has various varieties, different properties and frequent replacement, the properties of the coating liquid need to be kept stable in the coating process, but the temperature of the coating liquid is easy to change along with the influence of factors such as climatic reasons, factory environment and the like, and the properties of the coating liquid can be changed along with the change. After coating is completed, cleaning and maintenance of the coating pan is also very important, and the coating pan is usually rinsed with water; however, for the coating liquid which is easy to crystallize, the coating liquid cannot be completely cleaned only by water flushing, and the crystals are continuously deposited and can occupy the volume of the coating liquid and even scratch the surface of the roller, so that operators are often required to manually scrape the crystals, and the machine side operation is time-consuming and labor-consuming and has high labor intensity. The bottom surface of the liquid coating disc is hinged with a lifting mechanism, the liquid coating disc is lifted to realize the immersion of the dipping roller during coating, and the liquid coating disc is lowered during maintenance, so that the maintenance of the liquid coating disc is facilitated on one hand, and the roller is protected from being damaged on the other hand; however, the liquid coating disc is still positioned below the dipping roller during maintenance, the maintenance space is limited, and the driving system of the lifting mechanism is often positioned below the liquid coating disc and is difficult to maintain.
Disclosure of Invention
The invention relates to a liquid coating disc system of a roller coater and the roller coater provided with the liquid coating disc system, which can at least solve some defects in the prior art.
The invention relates to a liquid coating disc system of a roller coater, which comprises a base and a liquid coating disc, wherein a sliding rail is arranged on the base, the liquid coating disc is arranged on the sliding rail in a sliding mode, so that the liquid coating disc is provided with a first working position located at the top of the base and a first maintenance position at least partially moved out of the base, and a locking mechanism used for locking the liquid coating disc located at the first working position is further arranged on the base.
As one embodiment, the liquid applying disc system of the roller coater also comprises a lifting driving device for driving the base to lift.
As one embodiment, the lifting driving device comprises a power unit and a transmission unit connected with the power unit, wherein the transmission unit is connected to the bottom of the base and can drive the base to be switched between a second working position and a second maintenance position, in the second working position, the base is accommodated in the roller coater frame, the coating liquid tray is located at a height meeting the dipping roller immersion requirement, and in the second maintenance position, the base is at least partially moved out of the roller coater frame.
In one embodiment, the power unit is disposed outside of the roll coater stand.
As one embodiment, the transmission unit comprises a plurality of sets of double-crank mechanisms, the axial direction of a hinge shaft in each double-crank mechanism is parallel to the axial direction of the dipping roller, the double-crank mechanisms are sequentially arranged along the axial direction of the dipping roller, and the power unit is connected with one set of double-crank mechanisms through a coupler.
In one embodiment, the coating liquid tray is provided with a handle suitable for being pulled by hand.
As one embodiment, the liquid coating disc comprises an upper-layer functional disc body and a lower-layer heat-insulation disc body, wherein the heat-insulation disc body is provided with a heat-insulation cavity, and a heat-insulation medium pipeline communicated with the heat-insulation cavity is arranged on the disc body.
As one embodiment, the functional tray body comprises a liquid inlet groove, a stabilizing groove and an overflow groove which are connected in sequence, wherein a liquid inlet channel is arranged on the liquid inlet groove, the stabilizing groove is suitable for dipping of the dipping roller, and a liquid discharge channel is arranged on the overflow groove.
As an embodiment, the liquid inlet tank and the overflow tank are arranged on the same side of the stabilizing tank.
The invention also relates to a roller coater, which comprises a roller coater rack and a dipping roller arranged on the roller coater rack, and further comprises the liquid coating disc system of the roller coater, wherein the liquid coating disc is arranged below the dipping roller.
The invention has at least the following beneficial effects:
according to the invention, the liquid coating disc is arranged on the base in a sliding manner, and the liquid coating disc can be moved out of the base, namely out of the roller coater, so that the operations of cleaning, maintenance and the like of the liquid coating disc are facilitated, the operation beside the roller coater is avoided, the workload of maintenance personnel can be effectively reduced, the equipment maintenance efficiency is improved, and the labor cost and the maintenance danger are reduced.
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 diagram of a masking liquid tray system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a liquid applying disk according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example one
Referring to fig. 1, the embodiment of the invention provides a liquid coating disc system of a roll coater, which includes a base 2 and a liquid coating disc 1, where a sliding rail is provided on the base 2, and the liquid coating disc 1 is slidably disposed on the sliding rail so that the liquid coating disc 1 has a first working position located at the top of the base and a first maintenance position at least partially moved out of the base 2, and a locking mechanism for locking the liquid coating disc 1 in the first working position is further provided on the base 2.
In one embodiment, the coating liquid tray 1 and the base 2 are drawer-type structures, but other sliding structures are also suitable for the embodiment. When the liquid coating disc system is installed on the roller coater rack 4, the slide rail is suitable for guiding the liquid coating disc 1 out of the rack 4; if the length direction of the liquid coating disc 1 is parallel to the axial direction of the dipping roller, the guiding direction of the slide rail is perpendicular to the axial direction of the dipping roller.
The locking mechanism is used for locking the liquid coating disc 1 at the first working position, so that the situations of shaking and the like in the working process of the liquid coating disc 1 can be avoided; conventional locking mechanisms are all applicable to the embodiment, for example, a locking pin is arranged on the base 2, a pin hole is correspondingly arranged on the coating liquid disc 1, and a locking screw or a locking cylinder is also feasible, which is not exemplified here; after the lock mechanism is unlocked, the applicator plate 1 can slide on the base 2.
Preferably, as shown in fig. 1 and 2, a handle 13 suitable for being pulled by hand is arranged on the coating liquid tray 1, so that an operator can conveniently pull out the coating liquid tray 1 for maintenance.
According to the liquid coating disc system provided by the embodiment, the liquid coating disc 1 is arranged on the base 2 in a sliding mode, the liquid coating disc 1 can be moved out of the base 2, namely, the roller coater is moved out, the operations such as cleaning and maintenance of the liquid coating disc 1 are facilitated, the operation beside the machine is avoided, the workload of maintenance personnel can be effectively reduced, the equipment maintenance efficiency is improved, and the labor cost and the maintenance risk are reduced.
Further preferably, the coating pan system further comprises a lifting driving device for driving the base 2 to lift, the coating pan 1 is lifted by the lifting driving device during coating to realize immersion of the dipping roller 5, and the coating pan 1 is lowered by the lifting driving device during maintenance, so that the maintenance of the coating pan 1 is facilitated, and meanwhile, the roller is protected from being damaged. The lifting driving device can adopt the conventional linear driving modes such as air cylinders, hydraulic cylinders and the like; in this embodiment, preferably, the lifting driving device can also change the horizontal position of the dip pan 1, and specifically, can move the dip pan 1 at least partially out of the roll coater rack 4, so as to facilitate maintenance. In one embodiment, the lifting driving device may adopt a two-dimensional driving platform, which includes a lifting driving assembly and a translation driving assembly, and generally speaking, the two-dimensional driving platform needs to be arranged in the frame 4 and below the dipping roller 5, which causes the problem that the driving device is inconvenient to overhaul, and the space below the dipping roller 5 is limited, which is inconvenient for arranging too many devices.
In another preferred embodiment, as shown in fig. 1, the lifting driving device includes a power unit 31 and a transmission unit 32 connected to the power unit 31, the transmission unit 32 is connected to the bottom of the base 2 and can drive the base 2 to switch between a second working position and a second service position, in the second working position, the base 2 is accommodated in the roll coater frame 4 and the coating pan 1 is located at a height that meets the dipping requirement of the dipping roll 5, and in the second service position, the base 2 is at least partially moved out of the roll coater frame 4. In this embodiment, the power unit 31 may be disposed outside the roll coater frame 4, the transmission unit 32 may be disposed inside the roll coater frame 4 to support the base 2 and move the base 2, and the power unit 31 may be disposed outside the roll coater frame 4 to facilitate maintenance of the power equipment.
Continuing the structure of above-mentioned lift drive arrangement, as shown in fig. 1, transmission unit 32 includes the multiunit double crank mechanism, and the hinge shaft axial in each double crank mechanism all is on a parallel with the dip roll axial to each double crank mechanism arranges along the dip roll axial in proper order, power unit 31 is connected with one set of double crank mechanism wherein through shaft coupling 33. Each group of double-crank mechanisms comprises two cranks 321, the bottom ends of the cranks 321 are hinged on the roller coater rack 4, and the top ends of the cranks 321 are hinged on the bottom of the base 2; further, as shown in fig. 1, the transmission unit 32 further includes two transmission links 322, the two transmission links 322 are respectively installed on the roll coater frame 4 through a bearing seat, the axial directions of the two transmission links 322 are both parallel to the axial direction of the dip roll, the bottom ends of the two cranks 321 in each group of double-crank mechanisms are respectively hinged to the two transmission links 322, the power unit 31 is connected to one of the transmission links 322 through the coupler 33 to drive the transmission unit 32, so as to drive the base 2 to perform lifting and swinging movements, and the coating pan 1 can be always kept in a horizontal state in the lifting and swinging processes.
Based on the transmission mode of above-mentioned double crank mechanism formula, rotatable and conveying are scribbled the liquid dish 1 and are realized the coating function to dipping in 5 bottoms of material roller, also can rotate and conveying and scribble the convenient maintenance of liquid dish 1 to the equipment export, simple structure, operational reliability are high, long service life to this drive unit 32 occupation space is little, can adapt to the space environment in the roller coat machine better, does benefit to the structural design and the practical application of roller coat machine.
In one embodiment, the power unit 31 adopts a combination of a motor and a speed reducer; of course, other rotation driving structures are also applicable to the present embodiment, and are not described herein.
Example two
The present embodiment provides a coating liquid tray 1, which can be applied to the first embodiment.
As shown in fig. 2, the liquid coating plate 1 comprises an upper functional plate body 11 and a lower heat insulation plate body 12, wherein the heat insulation plate body 12 is provided with a heat insulation cavity and a heat insulation medium pipeline communicated with the heat insulation cavity is arranged on the plate body.
In one embodiment, the heat-insulating tray body 12 is a trough-type tray body with an open top and closed peripheries, and the functional tray body 11 closes the open top of the heat-insulating tray body 12 and encloses the heat-insulating cavity; in this scheme, if the functional tray body 11 and the heat-insulating tray body 12 adopt a split structure, the assembly position of the two needs to be sealed. Of course, it is also feasible that the heat-insulating tray body 12 is a tray body with a closed top bottom and a closed periphery.
The insulating medium pipeline generally comprises an insulating medium inlet pipe 121 and an insulating medium outlet pipe 122, and the insulating medium is preferably recycled. The heat preservation medium comprises but is not limited to water, gas, oil and the like, and the temperature of the heat preservation medium is determined according to factors such as specific working environment and the like, so that the heat preservation of the roller coating liquid is realized.
According to the liquid coating disc 1 provided by the embodiment, the liquid coating disc 1 is designed in a layered mode, and the heat preservation disc body 12 is adopted to preserve the roller coating liquid in the functional disc body 11, so that the stability of the roller coating liquid property is ensured, the roller coating effect and the quality of strip steel are improved, the frequency of cleaning and maintenance of the liquid coating disc 1 is reduced, and the maintenance cost is reduced.
The functional tray body 11 is used for realizing the basic function of the coating liquid tray 1, namely supplying the dipping roller 5 with the roller coating liquid. In one embodiment, as shown in fig. 2, the functional tray 11 includes an inlet tank 111, a stabilizing tank 112 and an overflow tank 113 connected in sequence, wherein the inlet tank 111 is provided with an inlet passage, the stabilizing tank 112 is suitable for dipping the dip roller 5, and the overflow tank 113 is provided with a drain passage 114. For the connection between the liquid inlet tank 111 and the stabilizing tank 112, the two tanks can share the tank wall, and the tank wall is provided with a liquid passing hole, and the roller coating liquid firstly enters the liquid inlet tank 111 and then enters the stabilizing tank 112 through the liquid passing hole; the liquid passing hole may have a slit shape or the like. The engagement between the stabilizing trough 112 and the overflow trough 113 may be of conventional overflow design, such as sharing a trough wall having a height that is less than the height of the remaining trough wall of the stabilizing trough 112. The heat preservation cavity at least covers the stabilizing groove 112, that is, the heat preservation medium at least can preserve heat of the roller coating liquid in the stabilizing groove 112; preferably, the holding chamber can cover the liquid inlet tank 111, the stabilizing tank 112 and the overflow tank 113.
Through carrying out the subregion to function disk body 11, the roller coat liquid of newly supplementing cushions earlier in feed liquor groove 111, can play the effect of stabilizing roller coating liquid nature, avoids fresh roller coating liquid directly to be caught by dip roller 5 and influence the roller coat effect, especially based on the above-mentioned scheme that is equipped with the heat preservation chamber, original roller coating liquid can carry out the homogeneity with fresh roller coating liquid in feed liquor groove 111 on the one hand, and on the other hand, the heat preservation chamber can keep warm to the roller coating liquid in feed liquor groove 111 continuously, guarantees to get into the roller coating liquid matter stability in the stable trough 112.
Further preferably, the bottom of the liquid inlet groove 111 has a slope and is inclined towards the stabilizing groove 112, so as to facilitate the flow of the roller coating liquid; the bottom of the overflow groove 113 has a slope and slopes toward the side of the liquid discharge channel 114, facilitating the discharge of the roll dope. The bottom of the stabilizing groove 112 is V-shaped, which is beneficial to the stability of the roller coating liquid, and especially in the structure that the lower heat preservation tray body 12 is open, the stabilizing groove 112 adopts the V-shaped groove bottom to be beneficial to the heat exchange with the heat preservation medium.
Further preferably, as shown in fig. 2, the liquid inlet tank 111 and the overflow tank 113 are disposed on the same side of the stabilizing tank 112, which facilitates the compact design of the coating pan 1.
EXAMPLE III
Referring to fig. 1, an embodiment of the present invention provides a roll coater, including a roll coater frame 4 and a dip roll 5 disposed on the roll coater frame 4, and further including a dip pan system of the roll coater provided in the first embodiment, where the dip pan 1 is disposed below the dip roll 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a coating liquid dish system of roller coat machine, includes base and coating liquid dish, its characterized in that: the base is provided with a sliding rail, the liquid coating disc is arranged on the sliding rail in a sliding mode, so that the liquid coating disc is provided with a first working position located at the top of the base and a first overhauling position at which at least part of the liquid coating disc is moved out of the base, and the base is further provided with a locking mechanism used for locking the liquid coating disc located at the first working position.
2. The applicator pan system of a roll coating machine according to claim 1, wherein: the lifting driving device is used for driving the base to lift.
3. The applicator pan system of a roll coating machine according to claim 2, wherein: the lifting driving device comprises a power unit and a transmission unit connected with the power unit, wherein the transmission unit is connected with the bottom of the base and can drive the base to be switched between a second working position and a second maintenance position, the base is contained in the roller coater rack, the height of the coating liquid disc meets the immersion requirement of the dipping roller, and the second maintenance position is used for at least partially moving out of the roller coater rack.
4. The applicator pan system of a roll coating machine according to claim 3, wherein: the power unit is arranged outside the roll coater stand.
5. The applicator pan system of a roll coating machine according to claim 3, wherein: the transmission unit comprises a plurality of groups of double-crank mechanisms, each hinge shaft in each double-crank mechanism is axially parallel to the axial direction of the dipping roller, each double-crank mechanism is sequentially arranged along the axial direction of the dipping roller, and the power unit is connected with one group of double-crank mechanisms through a coupler.
6. The applicator pan system of a roll coating machine according to claim 1, wherein: and a handle suitable for being pulled by hand is arranged on the liquid coating disc.
7. The applicator pan system of a roll coating machine according to claim 1, wherein: the liquid coating disc comprises an upper-layer functional disc body and a lower-layer heat-insulation disc body, wherein the heat-insulation disc body is provided with a heat-insulation cavity and a heat-insulation medium pipeline communicated with the heat-insulation cavity is arranged on the disc body.
8. The applicator pan system of a roll coating machine according to claim 7, wherein: the functional tray body comprises a liquid inlet groove, a stabilizing groove and an overflow groove which are sequentially connected, wherein a liquid inlet channel is arranged on the liquid inlet groove, the stabilizing groove is suitable for the dipping roller to dip, and a liquid discharge channel is arranged on the overflow groove.
9. The applicator pan system of a roll coating machine according to claim 8, wherein: the liquid inlet groove and the overflow groove are arranged on the same side of the stabilizing groove.
10. The utility model provides a roll coater, includes roll coater frame and arranges the dip roll in the roll coater frame, its characterized in that: the applicator pan system of a roll coater according to any one of claims 1 to 9, further comprising an applicator pan disposed below said dip roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110806372.3A CN113578691A (en) | 2021-07-16 | 2021-07-16 | Roller coater and liquid coating disc system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110806372.3A CN113578691A (en) | 2021-07-16 | 2021-07-16 | Roller coater and liquid coating disc system thereof |
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| CN113578691A true CN113578691A (en) | 2021-11-02 |
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| CN202110806372.3A Pending CN113578691A (en) | 2021-07-16 | 2021-07-16 | Roller coater and liquid coating disc system thereof |
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| CN112156946A (en) * | 2020-09-08 | 2021-01-01 | 中国重型机械研究院股份公司 | Adjusting method of coating mechanism |
| CN215695459U (en) * | 2021-07-16 | 2022-02-01 | 中冶南方工程技术有限公司 | Roller coater and liquid coating disc system thereof |
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