CN218872565U

CN218872565U - Novel adhesive spraying coating head

Info

Publication number: CN218872565U
Application number: CN202223204866.3U
Authority: CN
Inventors: 臧庆; 王化
Original assignee: Hefei Institute Of Technology Innovation Engineering
Current assignee: Hefei Zhongke Polymerization Material Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-18
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a novel adhesive spraying coating head, concretely relates to coating technical field, including the device shell, the inside fixed mounting of device shell has the mount, the surface of mount is provided with the movable plate, the middle part of device shell sets up to coating processing passageway, one side that the movable plate is close to coating processing passageway is provided with the nozzle, be provided with moving mechanism between mount and the movable plate, the fixed surface of movable plate installs multistage piston pump, multistage piston pump passes through the trachea and is connected with the nozzle, the inner wall of mount is provided with wiper mechanism. When the utility model is used, the base materials such as paper or film and the like are not stressed to generate folds or ripples and have no broken ends related to spraying; the coating can quickly reach excellent quality after coating; the shutdown is not needed; the nozzle can be cleaned during operation.

Description

Novel adhesive spraying coating head

Technical Field

The utility model relates to a coating technology field, more specifically say, the utility model relates to a novel adhesive spraying coating head.

Background

It is known that paper and film require a transfer nip during the coating process, and that the coating machine and the paper web are in intimate contact, and that there are many interdependent and interactive effects. For example, variations in the coating weight can be caused by unstable base paper properties and variations in the cross-directional tension of the entire coater; the deformation of the paper and the film under the action of pressure causes the generation of folds, ripples and the like, thereby greatly influencing the performance of the finished adhesive tape; so that the paper and film are affected during the coating process.

In order to prevent the base materials such as paper, film and the like from wrinkling or waviness under the action of stress, a novel adhesive spray coating head is provided, so that the base paper/original film can be coated on one side or two sides, and the coating efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a novel adhesive spray coating head to solve the problems proposed in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel adhesive spraying coating head, includes the device shell, the inside fixed mounting of device shell has the mount, the surface of mount is provided with the movable plate, the middle part of device shell sets up to coating processing passageway, one side that the movable plate is close to coating processing passageway is provided with the nozzle, be provided with moving mechanism between mount and the movable plate, the fixed surface of movable plate installs multistage piston pump, multistage piston pump passes through the trachea and is connected with the nozzle, the inner wall of mount is provided with wiper mechanism.

Further, the moving mechanism comprises a motor frame fixedly installed on one side of the fixing frame, a driving motor is fixedly installed on the surface of the motor frame, a threaded hole is formed in one end, close to the motor frame, of the moving plate, a screw rod is connected to the inner thread of the threaded hole, one end of the screw rod is fixedly connected with an output shaft of the driving motor, and one end, close to an output shaft of the driving motor, of the screw rod is rotatably connected with a fixing seat.

Further, wiper mechanism includes the link of fixed mounting at the mount inner wall, it is connected with the axis of rotation to rotate between the top of fixing base and the link, the fixed surface cover of axis of rotation has connect the worm, the inner wall of mount rotates through the pivot and is connected with the swinging plate, one side fixed mounting of swinging plate has the washing shower nozzle, the middle part fixed mounting that the washing shower nozzle one side was kept away from to the swinging plate has the local worm wheel of being connected with the worm meshing, be provided with drive mechanism between axis of rotation and the driving motor.

Furthermore, drive mechanism includes the driving gear of fixed cover connection at the driving motor output shaft, the fixed cover in the surface that the fixing base was worn to appear in the axis of rotation is connected with driven gear, the driving gear is connected with driven gear meshing.

Further, the inner wall of the fixed frame is fixedly provided with a slide rail strip, and the movable plate slides between the slide rail strip and the fixed frame.

Further, an air exhaust device is fixedly arranged on the device shell close to the bottom of the coating processing channel.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, when the utility model is used, the base materials such as paper or film and the like are not stressed to have folds or ripples and have no broken ends related to spraying; the coating can quickly reach excellent quality after coating; the machine does not need to be stopped; the nozzle can be cleaned in the operation process; the instrument can ensure the accurate control of the dosage of the adhesive and the coating thickness; the coating running speed is greatly improved, the coating speed can reach 2000m/min at most, the system is particularly suitable for coating base paper and films with poor or thin strength, and the profit rate and efficiency of a coating production line can be remarkably improved.

2. Compared with the prior art, through setting up axis of rotation and screw rod, because driving motor makes the movable plate remove on the mount through ordering about the screw rod, driving motor makes the axis of rotation rotate through driving gear and driven gear meshing transmission simultaneously, and the epaxial worm of rotation meshes with the local worm wheel on the swing board, therefore the axis of rotation rotates the washing angle that can change the washing shower nozzle and aim at the nozzle, improves the efficiency of washing operation to help improving coating efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the device housing of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural diagram of the present invention at B in fig. 2.

The reference signs are: 1. a device housing; 2. a fixed mount; 3. moving the plate; 31. a nozzle;

4. a multistage piston pump;

5. a moving mechanism; 51. a motor frame; 52. a drive motor; 53. a threaded hole; 54. a screw; 55. a fixed seat;

6. a cleaning mechanism; 61. a connecting frame; 62. a rotating shaft; 63. a worm; 64. a swing plate; 65. cleaning the spray head; 66. a local worm gear;

7. a transmission mechanism; 71. a driving gear; 72. a driven gear;

8. a slide rail bar; 9. an air extraction device;

a. coating the process channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The novel adhesive spray coating head shown in the attached figures 1, 2 and 3 comprises a device shell 1, wherein a fixed frame 2 is fixedly arranged inside the device shell 1, a movable plate 3 is arranged on the surface of the fixed frame 2, a coating processing channel a is arranged in the middle of the device shell 1, a nozzle 31 is arranged on one side, close to the coating processing channel a, of the movable plate 3, a moving mechanism 5 is arranged between the fixed frame 2 and the movable plate 3, a multi-stage piston pump 4 is fixedly arranged on the surface of the movable plate 3, the multi-stage piston pump 4 is connected with the nozzle 31 through an air pipe, and a cleaning mechanism 6 is arranged on the inner wall of the fixed frame 2;

wherein, the movement of the moving plate 3 is controlled by the driving motor 52, and the coating or cleaning operation can be alternately carried out;

in order to coat two surfaces of the base paper/original film simultaneously and avoid the problems that the coating operation needs to be performed on two surfaces like a conventional coating machine, the base paper/original film needs to be unreeled, turned and then reeled, two moving plates 3 are arranged on two sides of a coating processing channel a, the base paper/original film can be coated on one side or two sides by using a row of nozzles 31 on the moving plates 3, the structures on the two sides are completely symmetrical, the two sides can be coated simultaneously, and the base paper/original film can be unreeled and reeled at one time; the nozzles 31 on the same side can be used alternately without stopping, and the problem that continuous production is influenced by stopping due to blockage of the spray head is avoided.

The nozzle 31 sprays the adhesive to the paper or the film, so that the coating processing efficiency is greatly improved in a non-contact coating mode, and the coating moving speed can reach 2000m/min at most;

the nozzle 31 is an air-assisted nozzle, and the adhesive is rapidly and uniformly dispersed through the impact, shearing and other actions caused by the speed difference between high-speed air and low-speed liquid generated by the multistage piston pump 4, so that superfine mist adhesive aerosol is generated and coated on the surface of base paper/original film moving at a constant speed to form a coating layer with a specified required amount; the coating quantitative variation range and the coating quantitative can measure the coating by adjusting the paper web advancing speed and the flow of the adhesive, and the trouble that most conventional coating heads need to be provided with a measuring device is avoided; therefore, the device can effectively improve the atomization quality by an atomization mode of breaking a liquid film formed at the nozzle;

wherein the liquid flows inside the nozzle 31; a subsequent atomization, i.e. the liquid is broken up into droplets near the orifice; the secondary atomization is continued, and the liquid drops are further broken into aerogel outside the nozzle 31 under the influence of the environment; the structure ensures the size uniformity of the adhesive aerogel, thereby ensuring the uniformity of the coated adhesive.

Wherein, the spray direction of the spray nozzle 31 spraying the adhesive is vertical to the surface of the base paper/original film.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, the moving mechanism 5 includes a motor frame 51 fixedly mounted on one side of the fixed frame 2, a driving motor 52 is fixedly mounted on the surface of the motor frame 51, a threaded hole 53 is formed in one end of the moving plate 3 close to the motor frame 51, a screw 54 is threadedly connected inside the threaded hole 53, one end of the screw 54 is fixedly connected with an output shaft of the driving motor 52, and one end of the screw 54 close to the output shaft of the driving motor 52 is rotatably connected with a fixed seat 55;

the driving motor 52 drives the screw rod 54 to rotate in the threaded hole 53 formed in the moving plate 3, while the screw rod 54 is fixed, and the moving plate 3 can move on the fixed frame 2, thereby facilitating cleaning when the nozzle 31 is blocked.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, the cleaning mechanism 6 includes a connecting frame 61 fixedly mounted on the inner wall of the fixed frame 2, a rotating shaft 62 is rotatably connected between the top of the fixed seat 55 and the connecting frame 61, a worm 63 is fixedly sleeved on the surface of the rotating shaft 62, a swinging plate 64 is rotatably connected on the inner wall of the fixed frame 2 through the rotating shaft, a cleaning nozzle 65 is fixedly mounted on one side of the swinging plate 64, a partial worm wheel 66 engaged with the worm 63 is fixedly mounted in the middle of the swinging plate 64 on the side far away from the cleaning nozzle 65, and a transmission mechanism 7 is arranged between the rotating shaft 62 and the driving motor 52;

the rotation of the rotating shaft 62 drives the worm 63 to rotate, and the worm 63 meshes with the local worm wheel 66 on the swinging plate 64, so that the worm 63 drives the swinging plate 64 to swing, and therefore the cleaning nozzle 65 on the swinging plate 64 can spray gas to clean and remove impurities from the nozzle 31 on the moving plate 3.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, the transmission mechanism 7 includes a driving gear 71 fixedly sleeved on the output shaft of the driving motor 52, a driven gear 72 fixedly sleeved on the surface of the rotating shaft 62 penetrating through the fixing seat 55, and the driving gear 71 and the driven gear 72 are in meshed connection;

when the driving motor 52 drives the screw 54 to rotate, the driving gear 71 and the driven gear 72 are meshed for transmission to rotate the rotating shaft 62, and the rotating speeds of the screw 54 and the worm 63 are controlled by using the gear ratio, so that the cleaning nozzle 65 can clean the nozzle 31 at more angles.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a slide rail bar 8 is fixedly mounted on the inner wall of the fixing frame 2, and the moving plate 3 slides between the slide rail bar 8 and the fixing frame 2;

the slide rail bar 8 can limit the moving area of the moving plate 3, and prevent the moving plate from shifting.

In a preferred embodiment, as shown in fig. 1, 2 and 3, the apparatus casing 1 is fixedly provided with a gas exhaust device 9 near the bottom of the coating processing passage a;

during the coating operation, the redundant adhesive aerosol in the device shell 1 is sucked to the recovery tank by the air extractor 9, and is adsorbed by the high-voltage electrostatic device and then is sieved for recycling.

The utility model discloses the theory of operation: controlling the base paper/original film to carry out coating operation through a coating processing channel a according to the existing equipment; when the nozzles 31 are blocked, cleaning operation is carried out, and because two rows of nozzles 31 are arranged on the same side, cleaning can be carried out alternately, so that halt is avoided;

when coating operation is carried out, the moving plate 3 is controlled to move to a position close to the base paper/original film through the driving motor 52, and the spray nozzle 31 is enabled to spray atomized adhesive through the multistage piston pump 4, so that uniform coating is ensured;

when cleaning operation is carried out, the driving motor 52 drives the moving plate 3 to move on the fixed frame 2, and meanwhile, the driving motor 52 changes the cleaning angle of the cleaning spray head 65 aligned with the nozzle 31 through the meshing transmission of the driving gear 71 and the driven gear 72; then the air pump can provide gas sprayed by the cleaning nozzle 65 to clean and remove impurities from the nozzle 31 on the movable plate 3;

when the cleaning operation is completed, the coating operation is restarted.

The device used by the utility model does not contain a connecting rod or a paper supporting roller of the traditional coating scraper, thereby reducing the deformation factor of the paper; the method is suitable for coating degradable base paper/original film with low longitudinal breaking length and recyclable fiber pulp base paper/original film.

The utility model discloses can satisfy automatic continuous production requirement, adhesive aerosol in this technology can effectively utilize the injection admission air also is applicable to the non-planar surface.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel adhesive spray coating head comprises a device shell (1), and is characterized in that: the utility model discloses a device, including device shell (1), the inside fixed mounting of device shell (1) has mount (2), the surface of mount (2) is provided with movable plate (3), the middle part of device shell (1) sets up to coating processing passageway (a), one side that movable plate (3) are close to coating processing passageway (a) is provided with nozzle (31), be provided with moving mechanism (5) between mount (2) and movable plate (3), the fixed surface of movable plate (3) installs multistage piston pump (4), multistage piston pump (4) are connected with nozzle (31) through the trachea, the inner wall of mount (2) is provided with wiper mechanism (6).

2. The novel adhesive spray coating head of claim 1, characterized in that: the moving mechanism (5) comprises a motor frame (51) fixedly mounted on one side of the fixed frame (2), a driving motor (52) is fixedly mounted on the surface of the motor frame (51), a threaded hole (53) is formed in one end, close to the motor frame (51), of the moving plate (3), a screw rod (54) is connected to the inner thread of the threaded hole (53), one end of the screw rod (54) is fixedly connected with an output shaft of the driving motor (52), and a fixed seat (55) is rotatably connected to one end, close to the output shaft of the driving motor (52), of the screw rod (54).

3. The novel adhesive spray coating head of claim 2, characterized in that: wiper mechanism (6) are including link (61) of fixed mounting at mount (2) inner wall, it is connected with axis of rotation (62) to rotate between the top of fixing base (55) and link (61), worm (63) have been cup jointed to the fixed surface of axis of rotation (62), the inner wall of mount (2) rotates through the pivot and is connected with wobble plate (64), one side fixed mounting of wobble plate (64) has washing shower nozzle (65), the middle part fixed mounting that washing shower nozzle (65) one side was kept away from in wobble plate (64) has local worm wheel (66) of being connected with worm (63) meshing, be provided with drive mechanism (7) between axis of rotation (62) and driving motor (52).

4. A novel adhesive spray coating head according to claim 3, characterized in that: the transmission mechanism (7) comprises a driving gear (71) fixedly sleeved on an output shaft of the driving motor (52), a driven gear (72) is fixedly sleeved on the surface of the rotating shaft (62) penetrating through the fixing seat (55), and the driving gear (71) is meshed with the driven gear (72).

5. The novel adhesive spray coating head of claim 4, characterized in that: the inner wall fixed mounting of mount (2) has slide rail strip (8), movable plate (3) slide between slide rail strip (8) and mount (2).

6. The novel adhesive spray coating head of claim 5, characterized in that: and an air exhaust device (9) is fixedly arranged at the bottom of the device shell (1) close to the coating processing channel (a).