CN214812260U - Dry-pressing coating equipment - Google Patents
Dry-pressing coating equipment Download PDFInfo
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- CN214812260U CN214812260U CN202120604692.6U CN202120604692U CN214812260U CN 214812260 U CN214812260 U CN 214812260U CN 202120604692 U CN202120604692 U CN 202120604692U CN 214812260 U CN214812260 U CN 214812260U
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Abstract
The utility model relates to a coating equipment technical field, concretely relates to dry pressing coating equipment. The dry-press coating apparatus includes: the base film pretreatment mechanism is used for preheating the base film; a slurry extrusion mechanism; and the hot pressing mechanism is used for pressing the slurry extruded by the slurry extruding mechanism on the surface of the pretreated base film. The dry-pressing coating equipment is used for preheating the base film to ensure that the base film is preheated, and then pressing the slurry extruded from the slurry extrusion mechanism on the surface of the pretreated base film through the hot pressing mechanism; on the one hand, through carrying out preheating treatment to the base film to sudden thermal contraction when avoiding the direct entering hot pressing mechanism of base film, on the other hand, through hot pressing mechanism with thick liquids pressfitting in the surface of base film, with the face planarization of guaranteeing the coating diaphragm that makes.
Description
Technical Field
The utility model relates to a coating equipment technical field, concretely relates to dry pressing coating equipment.
Background
The surface coating technology of the coating equipment is a technology for coating a new material on the surface of a product, and the main effects of the surface spraying of the product are that the product can play a role in water resistance, dust prevention, static electricity prevention and the like. Surface coating is a technique for improving the protection of a surface by forming a film on the surface of a substrate.
In the field of ceramic coating, the traditional coating equipment adopts gravure coating, ceramic powder is prepared into slurry of aqueous and oily solvents, then the slurry is transferred to the surface of a base material through a gravure roller, and then the base material enters an oven to be dried, and then rolling operation is carried out after drying; however, the conventional ceramic coating equipment has too long stroke during coating of the diaphragm, so that the flatness of the diaphragm surface is not easy to control during the coating process of the diaphragm, and the diaphragm surface is wrinkled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dry pressing coating equipment to improve the diaphragm and be difficult to control the planarization of face at the in-process of coating, arouse the face fold.
In order to solve the technical problem, the utility model provides a dry pressing coating equipment, include: the base film pretreatment mechanism is used for preheating the base film; a slurry extrusion mechanism; and the hot pressing mechanism is used for pressing the slurry extruded by the slurry extruding mechanism on the surface of the pretreated base film.
Further, the preprocessing mechanism comprises: the preheating oven and the first destaticizing component are arranged in sequence along the transmission direction of the base film.
Further, the first static elimination component comprises: and the electrostatic rods are respectively positioned on two sides of the base film.
Further, the slurry extrusion mechanism is a double-screw extruder; the double-screw extruder adopts a coat hanger type die head.
Further, the hot press mechanism includes: and the hot pressing rollers are respectively positioned on two sides of the base film and are arranged in a matching way.
Further, the hot pressing mechanism further comprises a second static eliminating assembly located at the downstream of the hot pressing roller.
Further, the dry-press coating apparatus further includes: a control module; the unwinding mechanism is positioned at the upstream of the base film pretreatment mechanism; control module and unwinding mechanism, base film pretreatment mechanism electric connection to control the base film and unreel the back through unwinding mechanism, get into base film pretreatment mechanism.
Further, the dry-press coating apparatus further includes: a control module; the winding mechanism is positioned at the downstream of the hot pressing mechanism; the control module is electrically connected with the slurry extrusion mechanism, the hot pressing mechanism and the winding mechanism to control the slurry extrusion mechanism to extrude slurry, and the slurry is wound after being pressed on the surface of the pretreated base film.
Further, a temperature sensor is arranged in the hot pressing roller; the temperature sensor is electrically connected with the control module to send temperature data of the hot-pressing roller.
The utility model has the advantages that the dry-pressing coating equipment of the utility model pre-heats the base film to pre-heat the base film, and then presses the pulp extruded from the pulp extruding mechanism on the surface of the pre-treated base film through the hot pressing mechanism; on the one hand, through carrying out preheating treatment to the base film to sudden thermal contraction when avoiding the direct entering hot pressing mechanism of base film, on the other hand, through hot pressing mechanism with thick liquids pressfitting in the surface of base film, with the face planarization of guaranteeing the coating diaphragm that makes.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a dry-press coating apparatus of the present invention;
fig. 2 is a schematic block diagram of the dry-press coating apparatus of the present invention.
In the figure:
1-basement membrane pretreatment mechanism; 11-preheating an oven; 111-a heater; 112-guide rollers; 12-a first static discharge assembly; 2-a slurry extrusion mechanism; 3-a hot-pressing mechanism; 31-a hot press roll; 32-a first static discharge assembly; 4-a base film; 5, an unwinding mechanism; 51-unwinding roller; 52-unwinding flattening rollers; 6, a winding mechanism; 61-a wind-up roll; 62-rolling and flattening rollers.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the present invention provides a dry-press coating apparatus, comprising: the basement membrane pretreatment mechanism 1 is used for carrying out preheating treatment on the basement membrane 4; a slurry extrusion mechanism 2; and a hot-pressing mechanism 3 for pressing the slurry extruded from the slurry extruding mechanism 2 on the surface of the pretreated base film 4.
Specifically, the utility model provides a dry pressing coating equipment, carry out preheating treatment to base film 4 earlier, make base film 4 preheat the back earlier, rethread hot pressing mechanism 3 with the thick liquids pressfitting that extrude in thick liquids extrusion mechanism 2 on the surface of base film 4 after the preliminary treatment; on one hand, the base film 4 is subjected to preheating treatment to avoid sudden thermal shrinkage when the base film 4 directly enters the hot-pressing mechanism 3, and on the other hand, the slurry is pressed on the surface of the base film 4 through the hot-pressing mechanism 3 to ensure the flatness of the film surface of the prepared coated diaphragm.
Optionally, the slurry is dry-mixed slurry, so that the addition of water in the slurry is avoided, the moisture content of the diaphragm is reduced, and the safety of the diaphragm is improved; the utility model discloses a dry-mixed thick liquids and base film carry out dry-pressing, need not dry-press the diaphragm after the coating and dry-dry and dry, shortened the coating stroke, be favorable to controlling the planarization of face.
Optionally, the maximum mechanical speed of the dry-pressing coating equipment is not lower than 50 m/min; the thickness of the coating layer can be, but is not limited to, 0.5-15 μm.
Optionally, the preprocessing mechanism 1 includes: a preheating oven 11 and a first static eliminating assembly 12 which are arranged in sequence along the conveying direction of the base film 4.
Wherein, the upper portion of preheating oven 11 is heater 111, and the middle part is provided with a plurality of deflector rolls 112 to make base film 4 tile and pass through. The first static elimination assembly 12 comprises: the static bars are respectively positioned on two sides of the base film 4 to perform static electricity removing treatment on the base film 4 after the preheating treatment, so that excessive static electricity is prevented when the sizing agent is pressed, and the sizing agent is not easy to press.
Optionally, the slurry extrusion mechanism 2 is a twin-screw extruder; the double-screw extruder adopts a coat hanger type die head.
Specifically, the coat hanger type die head has a larger diffusion angle, so that the die head has an obvious distribution effect on the melt to reduce the pressure drop of the melt in the runner, and the extrusion of slurry is facilitated.
Optionally, the hot-pressing mechanism 3 includes: the hot-press rollers 31 are respectively arranged at two sides of the base film 4 and are matched with each other to ensure the smoothness of the surface of the base film 4 after the sizing agent is pressed on the surface of the base film 4.
Optionally, the hot press roller 31 may be but not limited to adopt an oil heating or electric heating manner, and the controllable temperature thereof may be but not limited to 25 to 250 ℃; the hot press roller 31 may be, but is not limited to, a stainless steel material having a surface roughness of not more than 0.1 μm; the pressure interval of the heat and pressure roller 31 may be, but not limited to, 0.1 to 5.0 MPa.
Optionally, the hot-press mechanism 3 further includes a second static removing assembly 32 located downstream of the hot-press roller to remove surface static electricity after the slurry is pressed on the base film 4.
Optionally, the utility model provides a dry pressing coating equipment still includes: a control module; the unwinding mechanism 5 is positioned at the upstream of the base film pretreatment mechanism 1; control module and unwinding mechanism 5, base film pretreatment mechanism 1 electric connection to control base film 4 after unwinding mechanism unreels, gets into base film pretreatment mechanism 1.
Wherein, optionally, the control module can be but is not limited to FX series PLC controller; the unwinding mechanism 5 can be, but is not limited to, unwinding by using a rotating frame.
The unwinding mechanism 5 comprises an unwinding roller 51 and a plurality of unwinding flattening rollers 52, so as to ensure the flatness of the film surface of the base film 4 when the base film enters the pretreatment mechanism 1.
Optionally, the utility model provides a dry pressing coating equipment still includes: a winding mechanism 6 located downstream of the hot press mechanism 3; the control module is electrically connected with the slurry extrusion mechanism 2, the hot pressing mechanism 3 and the winding mechanism 6 to control the slurry extrusion mechanism 2 to extrude slurry, and the slurry is wound after being pressed on the surface of the pretreated base film 4.
Optionally, the winding mechanism 6 may be, but is not limited to, winding by using a rotating frame.
Optionally, the winding mechanism 6 includes a winding roller 61 and a plurality of winding and flattening rollers 62 to ensure flatness of the film surface of the wound coated separator.
Specifically, the switch is turned on, the unwinding mechanism 5 is controlled by the control module to unwind the base film 4, the base film 4 is conveyed to the base film pretreatment mechanism 1 to carry out preheating treatment and static elimination on the base film 4, and then the base film 4 is conveyed to the hot pressing mechanism 3; meanwhile, the control module controls the slurry extruding mechanism 2 to extrude the slurry to the surface of the base film 4, and after the hot pressing mechanism 3 presses the slurry to the surface of the base film 4, the base film 4 pressed with the slurry is subjected to secondary electrostatic treatment; and the control module controls the rolling mechanism 6 to roll the base film 4 coated with the slurry.
Optionally, a temperature sensor is arranged in the hot press roller 31; the temperature sensor is electrically connected with the control module to send out temperature data of the hot press roller 31.
Wherein, the temperature sensor can be but is not limited to an NTC temperature sensor; the control module is adapted to control and adjust the temperature of the hot press roller 31 according to the received temperature data of the hot press roller 31.
In summary, the embodiment provides a dry-pressing coating apparatus, which first pre-heats the base film 4, so that the base film 4 is preheated, and then presses the slurry extruded from the slurry extruding mechanism 2 on the surface of the pretreated base film 4 through the hot pressing mechanism 3; on one hand, the base film 4 is subjected to preheating treatment to avoid sudden thermal shrinkage when the base film 4 directly enters the hot-pressing mechanism 3, and on the other hand, the slurry is pressed on the surface of the base film 4 through the hot-pressing mechanism 3 to ensure the flatness of the film surface of the prepared coated diaphragm.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A dry-press coating apparatus, comprising:
the base film pretreatment mechanism (1) is used for carrying out preheating treatment on the base film (4);
a slurry extrusion mechanism (2); and
and the hot-pressing mechanism (3) is used for pressing the slurry extruded by the slurry extruding mechanism (2) on the surface of the base film (4) subjected to preheating treatment.
2. The dry-press coating apparatus according to claim 1,
the pretreatment mechanism (1) comprises: the preheating oven (11) and the first static eliminating assembly (12) are sequentially arranged along the conveying direction of the base film (4).
3. The dry-press coating apparatus according to claim 2,
the first static discharge assembly (12) comprises: and the electrostatic rods are respectively positioned on the two surfaces of the base film (4).
4. The dry-press coating apparatus according to claim 1,
the slurry extrusion mechanism (2) is a double-screw extruder;
the double-screw extruder adopts a coat hanger type die head.
5. The dry-press coating apparatus according to claim 1,
the hot press mechanism (3) includes: and the hot pressing rollers (31) are respectively positioned on the two surfaces of the base film (4) and are arranged in a matching way.
6. Dry-pressure coating installation according to claim 5,
the hot-pressing mechanism (3) further comprises a second static eliminating component (32) positioned at the downstream of the hot-pressing roller (31).
7. The dry-press coating apparatus according to claim 5, further comprising:
a control module;
the unwinding mechanism (5) is positioned at the upstream of the base film pretreatment mechanism (1);
the control module is electrically connected with the unwinding mechanism (5) and the base film pretreatment mechanism (1) to control the base film (4) to enter the base film pretreatment mechanism (1) after the unwinding mechanism unwinds.
8. The dry-press coating apparatus according to claim 5, further comprising:
a control module;
a winding mechanism (6) positioned at the downstream of the hot-pressing mechanism (3);
the control module is electrically connected with the slurry extrusion mechanism (2), the hot pressing mechanism (3) and the winding mechanism (6) to control the slurry extrusion mechanism (2) to extrude slurry, and the slurry is pressed on the surface of the pretreated base film (4) and then wound.
9. The dry-press coating apparatus of claim 8, further comprising:
a temperature sensor is arranged in the hot pressing roller (31);
the temperature sensor is electrically connected with the control module to send out temperature data of the hot-pressing roller (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604692.6U CN214812260U (en) | 2021-03-24 | 2021-03-24 | Dry-pressing coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604692.6U CN214812260U (en) | 2021-03-24 | 2021-03-24 | Dry-pressing coating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214812260U true CN214812260U (en) | 2021-11-23 |
Family
ID=78758431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120604692.6U Active CN214812260U (en) | 2021-03-24 | 2021-03-24 | Dry-pressing coating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214812260U (en) |
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2021
- 2021-03-24 CN CN202120604692.6U patent/CN214812260U/en active Active
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