Closing device for nozzle of coating machine

Abstract

The utility model discloses a coating machine nozzle sealing device which comprises a nozzle, a support is arranged on the right side of the nozzle, the support is fixedly connected with the nozzle, a connecting rod is arranged at the bottom of the support, the connecting rod is fixedly connected with the support, an electric telescopic rod is arranged on the outer side of the connecting rod, and the electric telescopic rod is fixedly connected with the connecting rod. The installation block can make contact with and extrude the positioning block when sliding in the groove of the push plate, due to the fact that the contact face of the positioning block and the installation block is an arc face, the installation block can drive the positioning block to move when extruding the positioning block, the positioning block compresses the limiting spring through the sliding block, and when the groove in the installation block moves to the positioning block, pressure borne by the limiting spring disappears; the limiting spring drives the positioning block to reset and be inserted into the groove of the mounting block through the sliding block, the mounting block is limited and fixed, the rubber block can be mounted on the push plate, the rubber block is convenient to replace in the using process, and using is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machine nozzles, and more specifically, to a coating machine nozzle closing device. Background Technique

[0002] A coating machine is mainly used for the surface coating process production of films, papers, etc. This machine coats a roll of base material with a specific functional glue, coating, ink, etc., and then winds it up after drying. The coating machine nozzle is an important component on the coating machine.

[0003] According to CN 215542144 U, a coating machine nozzle closing device is disclosed, including a nozzle and a control switch. A bracket is fixedly installed on the outer side wall of the nozzle. A first chute is opened on the front side of the bracket. A slide plate is arranged in the inner cavity of the first chute. The slide plate is slidably connected with the first chute. First electromagnets are fixedly installed on both the left and right sides of the inner cavity of the first chute. Pulling ropes are fixedly connected to both the left and right sides of the slide plate. A fixed block is fixedly installed at the front end of the nozzle. Through the arranged slide plate, first electromagnet, pulling rope, second electromagnet, rubber block and alcohol sponge strip, the utility model can not only clean the nozzle back and forth, saving the trouble of manual cleaning one by one, but also close the nozzle, saving the trouble of manual auxiliary closing, greatly reducing the labor intensity, being relatively practical and suitable for wide promotion and use.

[0004] However, there are some problems when using this device. During the use process, the nozzle is closed by a rubber block. During the closing process, the glue dripping from the nozzle will adhere to the rubber block, which will affect the closing effect. The rubber block needs to be frequently replaced during use, but it is inconvenient to replace the rubber block when using this device. For the problems in the related technology, no effective solution has been proposed yet. Content of the Utility Model

[0005] Aiming at the problems in the related technology, the utility model provides a coating machine nozzle closing device to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] Therefore, the specific technical solution adopted by the utility model is as follows:

[0007] A coating machine nozzle closing device includes a nozzle. A bracket is arranged on the right side of the nozzle. The bracket is fixedly connected with the nozzle. A connecting rod is arranged at the bottom of the bracket. The connecting rod is fixedly connected with the bracket. An electric telescopic rod is arranged outside the connecting rod. The electric telescopic rod is fixedly connected with the connecting rod. The other end of the electric telescopic rod is fixedly connected with a fixing plate. A push plate is arranged inside the fixing plate. The push plate is slidably connected with the fixing plate. A rubber block is arranged at the top of the push plate;

[0008] The bottom of the rubber block is fixedly connected with a mounting block. The mounting block is inserted into the groove of the push plate. A slider is arranged inside the push plate, and the slider is slidably connected with the push plate.

[0009] As a further solution of the present utility model, a first electromagnet block is arranged at the bottom of the push plate. The first electromagnet block is fixedly connected with the push plate. A second electromagnet block is arranged inside the fixed plate, and the second electromagnet block is fixedly connected with the fixed plate.

[0010] As a further solution of the present utility model, a connecting block is arranged outside the push plate. The connecting block penetrates through the fixed plate, and the connecting block is slidably connected with the fixed plate.

[0011] As a further solution of the present utility model, a support spring is fixedly connected to the bottom of the connecting block, and the other end of the support spring is fixedly connected with the fixed plate.

[0012] As a further solution of the present utility model, a positioning block is fixedly connected to the outside of the slider. The positioning block penetrates through the push plate, and the positioning block is slidably connected with the push plate.

[0013] As a further solution of the present utility model, the positioning block is inserted into the groove of the mounting block.

[0014] As a further solution of the present utility model, a limiting spring is fixedly connected to the outside of the slider, and the other end of the limiting spring is fixedly connected with the push plate.

[0015] The beneficial effects of the present utility model are as follows:

[0016] By providing the mounting block, slider, positioning block and limiting spring, when it is necessary to replace the rubber block during use, the rubber block can be disassembled by pulling it forcefully. Then, the mounting block on the new rubber block is inserted into the groove of the push plate. When the mounting block slides in the groove of the push plate, it will contact and squeeze the positioning block. Since the contact surface between the positioning block and the mounting block is an arc surface, when the mounting block squeezes the positioning block, it will drive the positioning block to move. The positioning block compresses the limiting spring through the slider. When the groove on the mounting block moves to the positioning block, the pressure on the limiting spring disappears. The limiting spring drives the positioning block to reset and insert into the groove of the mounting block through the slider, so as to limit and fix the mounting block, and the rubber block can be installed on the push plate, thus facilitating the replacement of the rubber block during use without affecting the use. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of the overall coating machine nozzle closing device according to an embodiment of the present invention;

[0019] Figure 2 is a schematic installation structure diagram of the second electromagnet block of a coating machine nozzle closing device according to an embodiment of the present invention;

[0020] Figure 3 is a coating machine nozzle closing device according to an embodiment of the present invention Figure 2 schematic diagram of the structure at position A;

[0021] Figure 4 is a schematic installation structure diagram of the installation block of a coating machine nozzle closing device according to an embodiment of the present invention.

[0022] In the figure: 1, nozzle; 2, bracket; 3, connecting rod; 4, electric telescopic rod; 5, fixing plate; 6, push plate; 7, rubber block; 8, first electromagnet block; 9, second electromagnet block; 10, connecting block; 11, supporting spring; 12, installation block; 13, slider; 14, positioning block; 15, limiting spring. Detailed implementation manners

[0023] To further illustrate the embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, mainly used to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in conjunction with the relevant descriptions in the specification. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present invention, a coating machine nozzle closing device is provided.

[0025] Please refer to the attached drawings of the specification Figures 1-4 , a coating machine nozzle closing device according to an embodiment of the present invention includes a nozzle 1. A bracket 2 is provided on the right side of the nozzle 1. The bracket 2 is fixedly connected to the nozzle 1. A connecting rod 3 is provided at the bottom of the bracket 2. The connecting rod 3 is fixedly connected to the bracket 2. An electric telescopic rod 4 is provided outside the connecting rod 3. The electric telescopic rod 4 is fixedly connected to the connecting rod 3. The other end of the electric telescopic rod 4 is fixedly connected to a fixing plate 5. This setting facilitates driving the movement of the fixing plate 5. A push plate 6 is provided inside the fixing plate 5. The push plate 6 is slidably connected to the fixing plate 5. A rubber block 7 is provided at the top of the push plate 6. The bottom of the rubber block 7 is fixedly connected to an installation block 12. The installation block 12 is inserted into the groove of the push plate 6. A slider 13 is provided inside the push plate 6. The slider 13 is slidably connected to the push plate 6.

[0026] In one embodiment, please refer to the accompanying drawings of the specification Figure 2 , as a further solution of the present utility model, a first electromagnet block 8 is provided at the bottom of the push plate 6, and the first electromagnet block 8 is fixedly connected to the push plate 6. A second electromagnet block 9 is provided inside the fixed plate 5, and the second electromagnet block 9 is fixedly connected to the fixed plate 5. This setting can adsorb and fix together.

[0027] In one embodiment, please refer to the accompanying drawings of the specification Figure 2 and 3 , as a further solution of the present utility model, a connecting block 10 is provided outside the push plate 6. The connecting block 10 penetrates the fixed plate 5, and the connecting block 10 is slidably connected to the fixed plate 5. A support spring 11 is fixedly connected to the bottom of the connecting block 10, and the other end of the support spring 11 is fixedly connected to the fixed plate 5. This setting can drive the rubber block 7 to reset.

[0028] In one embodiment, please refer to the accompanying drawings of the specification Figure 4 , as a further solution of the present utility model, a positioning block 14 is fixedly connected to the outside of the slider 13. The positioning block 14 penetrates the push plate 6, and the positioning block 14 is slidably connected to the push plate 6. The positioning block 14 is inserted into the groove of the mounting block 12. A limiting spring 15 is fixedly connected to the outside of the slider 13, and the other end of the limiting spring 15 is fixedly connected to the push plate 6. This setting can drive the positioning block 14 to be inserted into the mounting block 12.

[0029] When the rubber block 7 does not seal the nozzle 1, the first electromagnet block 8 and the second electromagnet block 9 are energized. The first electromagnet block 8 and the second electromagnet block 9 will generate magnetic force and adsorb and fix together. The first electromagnet block 8 drives the rubber block 7 to move downward through the push plate 6. When sealing, the electric telescopic rod 4 is controlled to extend. The electric telescopic rod 4 drives the rubber block 7 to move to the bottom of the nozzle 1 through the fixed plate 5. Then, when stopping, the first electromagnet block 8 and the second electromagnet block 9 are energized. The first electromagnet block 8 and the second electromagnet block 9 lose magnetic force and the fixation is released. Under the action of the self-elastic force of the support spring 11, the support spring 11 drives the rubber block 7 to move upward through the connecting block 10 and the push plate 6 to contact the nozzle 1 and seal the nozzle 1. When the rubber block 7 needs to be replaced during use, the rubber block 7 can be pulled forcefully to disassemble the rubber block 7. Then, the mounting block 12 on the new rubber block 7 is inserted into the groove of the push plate 6. When the mounting block 12 slides in the groove of the push plate 6, it will contact and squeeze the positioning block 14. Since the contact surface between the positioning block 14 and the mounting block 12 is an arc surface, when the mounting block 12 squeezes the positioning block 14, it will drive the positioning block 14 to move. The positioning block 14 compresses the limit spring 15 through the slider 13. When the groove on the mounting block 12 moves to the positioning block 14, the pressure on the limit spring 15 disappears. The limit spring 15 drives the positioning block 14 to reset and insert into the groove of the mounting block 12 to limit and fix the mounting block 12, so that the rubber block 7 can be installed on the push plate 6, thus facilitating the replacement of the rubber block 7 during use without affecting the use.

[0030] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A nozzle sealing device for a coating machine, comprising a nozzle (1), characterized in that: A bracket (2) is provided on the right side of the nozzle (1), the bracket (2) is fixedly connected to the nozzle (1), a connecting rod (3) is provided at the bottom of the bracket (2), the connecting rod (3) is fixedly connected to the bracket (2), an electric telescopic rod (4) is provided on the outside of the connecting rod (3), the electric telescopic rod (4) is fixedly connected to the connecting rod (3), the other end of the electric telescopic rod (4) is fixedly connected to a fixing plate (5), a push plate (6) is provided on the inside of the fixing plate (5), the push plate (6) is slidably connected to the fixing plate (5), and a rubber block (7) is provided on the top of the push plate (6); The bottom of the rubber block (7) is fixedly connected with a mounting block (12), and the mounting block (12) is inserted into the groove of the push plate (6). A sliding block (13) is provided on the inner side of the push plate (6), and the sliding block (13) is slidably connected with the push plate (6).

2. A nozzle sealing device for a coating machine according to claim 1, characterized in that: A first electromagnet block (8) is provided at the bottom of the push plate (6), and the first electromagnet block (8) is fixedly connected to the push plate (6). A second electromagnet block (9) is provided on the inner side of the fixed plate (5), and the second electromagnet block (9) is fixedly connected to the fixed plate (5).

3. A nozzle sealing device for a coating machine according to claim 1, characterized in that: A connecting block (10) is provided on the outer side of the push plate (6), the connecting block (10) penetrates the fixing plate (5), and the connecting block (10) is slidably connected to the fixing plate (5).

4. A nozzle sealing device for a coating machine according to claim 3, characterized in that: A support spring (11) is fixedly connected to the bottom of the connection block (10), and the other end of the support spring (11) is fixedly connected to the fixing plate (5).

5. A nozzle sealing device for a coating machine according to claim 1, characterized in that: A positioning block (14) is fixedly connected to the outer side of the sliding block (13); the positioning block (14) passes through the push plate (6); and the positioning block (14) is slidably connected to the push plate (6).

6. A nozzle sealing device for a coating machine according to claim 5, characterized in that: The positioning block (14) is inserted into the groove of the mounting block (12).

7. A nozzle sealing device for a coating machine according to claim 1, characterized in that: A limit spring (15) is fixedly connected to the outer side of the sliding block (13), and the other end of the limit spring (15) is fixedly connected to the push plate (6).

Images