CN209813354U - Composite coating machine - Google Patents

Abstract

The utility model discloses a composite coating machine, which comprises a frame, on which a coating device, an unwinding device, a winding device, a drying device and a composite device are arranged, and the material a is unwound by the unwinding device Then enter the coating device to apply glue, and then enter the compound device for compounding after being dried by the drying device after applying the glue; the compound device includes a conveying device for conveying material b, which is arranged above the conveying device for material a Composite rollers for compounding and overlapping with material b, rubber rollers for increasing the compounding force between material a and material b, and stretching devices for tightening compounded material a and material b. The coating device adjusts the coating gap by adjusting the gap between the composite roller and the rubber roller, so that the surface glue of the film is uniform and symmetrical, and can also meet different specifications of glue, saving costs. At the same time, the composite device combines two different The material sticks together well and avoids wrinkling.

Description

A compound coating machine

technical field

The utility model relates to the technical field of coating machines, in particular to a composite coating machine.

Background technique

From the analysis of the development status in recent years, the future development of coating technology may present the following three important features: blade coating will still be the most important coating method in the future, and it is moving towards high speed and high solid The direction of content development; the metering sizing press coating method is widely accepted and develops rapidly; new coating methods such as spray coating and curtain coating have received widespread attention, which indicates a bright development prospect; however, the above-mentioned development is impossible Smooth sailing, must face many technical challenges. Coating with high solid content will cause runnability problems such as blade marks, high blade pressure, paint precipitation on the blade and fast blade wear; metering size press coating must face high speed, high solid content and high coating volume Many problems caused, including mist splash at the exit of the nip area of the coating roller, orange peel on the coating surface, etc., make the surface of the film spit out by a single coating mechanism uneven, asymmetric, or have Wrinkles, missing coating phenomenon.

Contents of the invention

Aiming at the deficiencies of the above-mentioned prior art, the utility model provides a compound coating machine to solve the above-mentioned problems.

In order to solve the problems of the technologies described above, the utility model adopts the following technical solutions:

A compound coating machine, comprising a frame, on which a coating device, an unwinding device, a winding device, a drying device and a compounding device are arranged, and the material a enters the coating device after being unwound by the unwinding device Apply glue, and then enter the compound device for compounding after being dried by the drying device; the compound device includes a conveying device for conveying material b, which is arranged above the conveying device for compounding material a and material b Overlapping composite rollers, rubber rollers for increasing the composite strength between material a and material b, and stretching devices for tightening composite materials a and material b, the two materials are held by the composite rollers under the action of the conveying device Extrusion and compounding, and then through the secondary rolling of rubber rollers to increase the compounding strength between the two materials, and then enter the winding device for winding after passing through the stretching device, and the compounding roller passes through the frame (1) Connected with the worm gear elevator, the conveying device includes conveying crawlers, and the stretching device includes several stretching rollers.

As an optimization, the unwinding device includes an unwinding frame, a first air shaft and a magnetic powder brake, the first air shaft is arranged on the unwinding frame, and the magnetic powder brake and the first air shaft One end of the transmission connection.

In this way, the first air shaft is braked by the magnetic powder brake. During the feeding process, when the pulling force received by the first air shaft is greater than the braking force of the magnetic powder brake, the first air shaft rotates to realize feeding. The expansion shaft can slide out of the working area together with the unwinding frame to replace the film roll, which is not easy to interfere.

As an optimization, the coating device includes a support roller, a scraper bar and a glue groove, the glue groove is arranged below the support roller, the two ends of the support roller are respectively connected with the vertical cylinders, and the scraper rod Pass through the frame and connect with the first motor.

In this way, the scraping rod rotates under the drive of the first motor, and the coating gap between the support roller and the scraping rod is adjusted through the expansion and contraction of the air cylinder to control the thickness of the coating glue.

As an optimization, the winding device includes a winding frame and a second air expansion shaft arranged on the winding frame, and the second air expansion shaft passes through the winding frame and is connected to the second motor.

As an optimization, the second motor is a torque motor.

In this way, the second inflatable shaft can be slid out of the working area together with the winding frame to perform the operation of replacing the material a film roll, which is less likely to interfere.

As an optimization, the drying device includes a drying box, and an electric heating tube and a plurality of first guide rollers are arranged inside the drying box.

In this way, when the material 1 enters the drying device to dry after being coated, the humidity of the material a glue is reduced and the viscosity of the glue is increased.

As an optimization, the conveying device further includes deviation-correcting rollers arranged at both ends of the conveying track.

In this way, deviation correction is performed on the material 2, so that alignment and pressing are performed in the composite device, and both ends are even, so that no material is wasted.

As an optimization, the support roller is parallel to the scraping bar.

In this way, it can be ensured that the glue can be applied evenly on the material a.

The beneficial effects of the utility model are:

In the composite coating machine described in the utility model, the coating device adjusts the coating gap by adjusting the gap between the composite roller and the rubber roller, so that the surface glue of the film is uniform and symmetrical, and avoids missing coating, and can also meet Glue of different specifications saves cost. At the same time, two different materials can be well bonded together through the double rolling of the composite roller and the rubber roller in the composite device to avoid wrinkles.

Description of drawings

Fig. 1 is a structural schematic diagram of a compound coating machine described in the utility model.

Fig. 2 is an enlarged view of a coating device.

In the accompanying drawings, 1 is the frame, 2 is the coating device, 21 is the support roller, 22 is the scraper bar, 23 is the glue tank, 24 is the first motor, 25 is the cylinder, 3 is the unwinding device, 31 is the first Air shaft, 32 is the unwinding frame, 4 is the winding device, 41 is the winding frame, 42 is the second air shaft, 5 is the drying device, 51 is the drying box, 52 is the first guide roller, 6 compound Device, 61 is a conveyor belt, 62 is a composite roller, 63 is a rubber roller, 64 is a stretching roller, 65 is a correction roller, 7 is material a, and 8 is material b.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1-2, a compound coating machine includes a frame 1 on which a coating device 2, an unwinding device 3, a winding device 4, a drying device 5 and a compounding device are arranged. 6. The material a 7 enters the coating device 2 to apply glue after unwinding by the unwinding device 3, and then enters the composite device 6 for compounding after being dried by the drying device 5 after coating; the composite device 6 includes a 8 conveying device, a compound roller 62 arranged above the conveying device for compounding and overlapping material a7 and material b8, and a rubber roller 63 for increasing the composite strength between material a7 and material b8, and In the stretching device of material a7 and material b8 after tensioning and compounding, the two materials are extruded and compounded by the compound roller 62 under the action of the conveying device, and then the secondary rolling of the rubber roller 63 increases the gap between the two materials. The composite strength between them, and then enter the winding device 4 for winding after passing through the stretching device, the composite roller 62 passes through the frame 1 and is connected with the worm elevator, the conveying device includes a conveying crawler belt 61, and the stretching The device includes a number of spreader sticks 64 .

In this embodiment, one end of the frame 1 is provided with a coating device 2, one end of the coating device 2 is provided with an unwinding device 3, and one end of the unwinding device 3 away from the coating device 2 is provided with a winding device 4 , the top of the winding device 4 is provided with a drying device 5, and one end of the winding device 4 away from the unwinding device 3 is provided with a composite device 6, and the composite device 6 includes a composite roller 62, a rubber roller 63, a stretching device, a conveying device, and a rubber roller 63 and the winding device 4 are provided with a stretching device, the other side of the rubber roller 63 is provided with a composite roller 62, the composite roller 62 and the rubber roller 63 are arranged above the conveying device, and the composite roller 62 passes through the frame 1 and the worm gear The elevator (not marked in the figure) is connected, the conveying device includes a conveying crawler belt 61, and the stretching device includes several stretching rollers 64. The worm screw jack can use the JWM worm screw jack of Ocean Transmission Company or other types of worm screw jacks from other companies. The gap between the composite roller and the conveyor belt can be adjusted by using the worm screw lifter.

Material a7 passes through the coating device from the unwinding device, and the glued material a7 passes through the drying device to the composite device to be composited and overlapped with material b8, and then rewound. During compounding, material b is compounded and overlapped with material a through the compound roller through the conveying device, then rolled by rubber rollers to increase the compound strength, and finally passed through the stretching device to the winding device. Stretchers prevent wrinkling of the compounded material.

In the present embodiment, the unwinding device 3 includes an unwinding frame 32, a first air shaft 31 and a magnetic powder brake (not marked in the figure), the first air shaft is arranged on the unwinding frame 32, and the magnetic powder brake and the first air shaft One end of the expansion shaft is transmission connected.

In this embodiment, the coating device 2 includes a support roller 21, a scraper bar 22 and a glue tank 23, the glue tank 23 is arranged below the support roller 21, and the two ends of the support roller 21 are respectively connected with the cylinder 25 in the vertical direction, and the scraper bar 22 passes through the frame 1 and is connected with the first motor 24. The scraping bar is below the backing roller, and the scraping bar 22 and the backing roller 21 form a fixed coating head for slit coating.

In this embodiment, the winding device 4 includes a winding frame 41 and a second air-expanding shaft 42 arranged on the winding frame, and the second air-expanding shaft 42 passes through the winding frame and the second motor (not marked in the figure) connect.

In this embodiment, the second motor is a torque motor.

In this embodiment, the drying device 5 includes a drying box 51 , and an electric heating tube (not marked in the figure) and a plurality of first guide rollers 52 are arranged inside the drying box 5 .

In this embodiment, the conveying device further includes deviation correcting rollers 65 arranged at the ends of the two conveyor belts 61 .

In this embodiment, the supporting roller 21 and the scraping bar 22 are parallel.

In this embodiment, the cylinder, the first motor, and the second motor are all electrically connected to the controller, and it is an existing technology to control the movement of the cylinder and the motor through the controller. The first air shaft and the second air shaft both use convex keys type air shaft. The controller can be a PLC controller.

The specific implementation of a composite coating machine of the utility model may involve practical software, but the software used is the most commonly used software by those skilled in the art, and is not within the protection scope of the patent application claims.

Finally, it should be noted that those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and its equivalent statistics, the utility model also intends to include these modifications and variations.

Claims (8)

1. a compound coating machine, is characterized in that, comprises frame (1), is provided with coating device (2), unwinding device (3), winding device (4) on described frame (1) ), drying device (5) and composite device (6), material a (7) enters the coating device (2) for gluing after unwinding device (3), and then passes through the drying device (5) after gluing After drying, enter compound device (6) and carry out compound; Described compound device (6) comprises the conveying device that is used to transport material b (8), is arranged on described conveying device and is used for material a (7) and material b ( 8) The composite roller (62) for composite overlapping and the rubber roller (63) used to increase the composite strength between material a (7) and material b (8) and the material a (7) and material a (7) after tension composite Stretching device for material b (8), the two materials are extruded and compounded by the compound roller (62) under the action of the conveying device, and then the compound strength between the two materials is increased by the secondary rolling of the rubber roller (63) , and then enter the winding device (4) for winding after passing through the stretching device, the compound roller (62) passes through the frame (1) and is connected with the worm elevator, and the conveying device includes a conveying track (61) , the stretching device includes several stretching sticks (64). 2. A kind of compound coating machine according to claim 1, is characterized in that, described unwinding device (3) comprises unwinding rack (32), the first air expansion shaft (31) and magnetic powder brake, and described The first air expansion shaft (31) is arranged on the unwinding frame (32), and the magnetic powder brake is in transmission connection with one end of the first air expansion shaft (31). 3. A kind of compound coating machine according to claim 1, is characterized in that, described coating device (2) comprises back-up roll (21), scraper bar (22) and glue groove (23), and described glue Groove (23) is arranged on described support roller (21) below, and the two ends of described support roller (21) are connected with vertical cylinder (25) respectively, and described scraper bar (22) passes frame (1 ) is connected with the first motor (24). 4. A kind of compound coating machine according to claim 1, is characterized in that, described winding device (4) comprises winding frame (41) and the second air expansion shaft (42) that is arranged on the winding frame ), the second inflatable shaft (42) passes through the winding frame and is connected with the second motor. 5. A compound coating machine according to claim 4, characterized in that, the second motor is a torque motor. 6. A kind of compound coating machine according to claim 1, is characterized in that, described drying device (5) comprises drying oven (51), is provided with electric heating pipe and several in described drying oven (51) inside. The first guide roller (52). 7. A compound coating machine according to claim 1, characterized in that, the conveying device further comprises deviation-correcting rollers (65) arranged at both ends of the conveying track (61). 8. A compound coating machine according to claim 3, characterized in that, the support roller (21) is parallel to the scraping bar (22).