Corona machine with adsorption fan
By introducing an adsorption fan into the corona machine and using negative pressure to connect the foil to the corona back roller, the problem of foil wrinkling at high temperatures is solved, achieving uniformity of foil surface treatment and stability of product quality.
Patent Information
- Application Number
- CN202423219225.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-26
AI Technical Summary
At high temperatures, the foil is prone to wrinkling when it comes into contact with the corona back roller, resulting in uneven coating and affecting electrical properties and thickness uniformity.
A corona machine with an adsorption fan is used. A negative pressure is created by the air extraction component to tightly connect the foil and the corona back roller, preventing air from entering the contact area. Temperature diffusion is controlled by adjusting the negative pressure, and a sponge block and a liquid guide tube are used for cleaning.
It effectively prevents foil from wrinkling during processing, improves uneven coating, ensures uniform foil surface treatment, and ensures that product quality and the environment are not affected.
Smart Images

Figure CN223733441U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a corona machine technical field, specifically a corona machine with adsorption fan. BACKGROUND
[0002] The present aluminium foil carbon coating equipment uses high power corona machine to pretreat the aluminium foil surface before coating carbon, and the high pressure discharge ionizes air to generate plasma, decomposes the oil film on the foil surface, generates high temperature and carries away the ionized waste gas on the foil surface through the fan, and the present corona equipment cools the corona back roll through the use of cooling water, so that the temperature of the corona equipment is ensured to be in the room temperature range during the corona process.
[0003] Because in the high temperature state, the foil will introduce air into the corona back roll, so as to cause the foil to wrinkle and unable to produce normally, cause the effect of the corona machine to be unable to fully play, affect the effect of the corona, and finally cause the foil surface to be coated abnormally, cause the coating to be uneven, and affect the electrical performance and thickness uniformity of the foil. SUMMARY
[0004] The utility model discloses a corona machine with adsorption fan to solve the problem that the foil will wrinkle when the back roll temperature rises in the prior art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a corona machine with adsorption fan, including cavity protection cover and corona back roll, both ends of the corona back roll are rotatably connected with mounting bracket, the bottom of the corona back roll is provided with adsorption cavity, both sides in the adsorption cavity are fixedly connected with rubber pad, the bottom of the adsorption cavity is installed with the air extraction component, one side in the adsorption cavity is fixedly installed with the flow guide box, the sponge block is fixedly inserted in the flow guide box.
[0006] Preferably, a plurality of high voltage electrodes are fixedly installed in the cavity protection cover, and the plurality of high voltage electrodes are arranged on the top of the corona back roll.
[0007] Preferably, a transmission shaft is fixedly penetrated in the corona back roll, the mounting bracket is rotatably sleeved on the outside of the transmission shaft, and the rubber pad corresponds to the mounting bracket one by one.
[0008] Preferably, the air extraction component includes a fan, the fan air inlet end is fixedly installed with an adapter pipe, one end of the adapter pipe is fixedly connected with an extension pipe, and the top end of the extension pipe is fixedly connected with a bus box.
[0009] Preferably, both sides of the bottom of the confluence box are fixedly connected with telescopic rods, a plurality of air extraction pipes are fixedly connected to the top of the confluence box, the plurality of air extraction pipes are fixedly installed at the bottom of the adsorption cavity and communicate with the inside of the adsorption cavity, and an air pressure cylinder is fixedly connected between the fan and the confluence box.
[0010] Preferably, the air outlet end of the fan is fixedly connected with an air exhaust elbow, an external threaded pipe is threadedly connected in the air exhaust elbow, the bottom end of the external threaded pipe is fixedly connected with a mounting ring, and a filter screen is fixedly installed in the mounting ring.
[0011] Preferably, a liquid guide pipe is fixedly and communicatively connected to the bottom of one side of the flow guide box, and the liquid guide pipe extends through the adsorption cavity to the outside of the adsorption cavity.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. In the application, the fan extracts air from each part of the adsorption cavity through the adapter pipe, the telescopic pipe, the confluence box and the plurality of air extraction pipes, a certain negative pressure is formed in the adsorption cavity, the negative pressure acts on the foil material supported by the corona back roller, through the adjustment of the negative pressure, the foil material can be tightly connected with the corona back roller, air entering the contact position of the foil material and the corona back roller is avoided, the foil material is prevented from wrinkling in the process of walking, meanwhile, the temperature of the high-temperature area at the top of the outside of the corona back roller is diffused, the problem of uneven surface treatment of the foil material is improved, the operation is simple, the corona and the carbon coating process are not affected, the appearance of the coating is not abnormal, and the workshop environment and the product quality are not affected.
[0014] 2. The plurality of air extraction pipes are arranged, the gas in the adsorption cavity is discharged through the plurality of uniformly distributed air extraction pipes, the air pressure balance of each position in the adsorption cavity is ensured, the air pressure cylinder works, the adsorption cavity moves up and down, the size of the gap between the adsorption cavity and the corona back roller is adjusted, the speed of the gas outside the corona back roller entering the inside of the adsorption cavity is controlled, the area of the negative pressure air flow acting on the foil material is adjusted, the distance between the adsorption cavity and the corona back roller is adjusted according to the deformation performance of the foil material, and the needs of processing various foil materials are met.
[0015] 3. The air pressure cylinder pushes the adsorption cavity to move up to the limit, the sponge block fixedly inserted in the flow guide box contacts the corona back roller, at this time, the corona back roller is controlled to rotate to clean the outside of the corona back roller; or liquid can be injected into the flow guide box through the liquid guide pipe, the liquid is adsorbed by the sponge block and then acts on the corona back roller, and the cleaning quality of the corona back roller is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a structural schematic view of the confluence box of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the adsorption cavity of this utility model;
[0019] Figure 4 This is a partial structural schematic diagram of the flow guide box of this utility model.
[0020] The following are the labels in the diagram: 1. Cavity protective cover; 2. High voltage electrode; 3. Corona back roller; 4. Drive shaft; 5. Mounting bracket; 6. Adsorption cavity; 7. Rubber pad; 8. Exhaust pipe; 9. Manifold box; 10. Telescopic pipe; 11. Adapter pipe; 12. Fan; 13. Exhaust bend; 14. Mounting ring; 15. External threaded pipe; 16. Filter screen; 17. Telescopic rod; 18. Flow guide box; 19. Liquid guide pipe; 20. Sponge block; 21. Pneumatic cylinder. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example: Figures 1-4 As shown, this utility model provides a technical solution for a corona machine with an adsorption fan, including a cavity protective cover 1 and a corona back roller 3. Mounting brackets 5 are rotatably connected to both ends of the corona back roller 3. An adsorption cavity 6 is provided at the bottom of the corona back roller 3. Rubber pads 7 are fixedly connected to both sides inside the adsorption cavity 6. An air extraction assembly is installed at the bottom of the adsorption cavity 6. The air extraction assembly includes a fan 12. A transfer pipe 11 is fixedly installed at the air inlet end of the fan 12. A telescopic pipe 10 is fixedly connected to one end of the transfer pipe 11. A manifold box 9 is fixedly connected to the top of the telescopic pipe 10. Telescopic rods 17 are fixedly connected to both sides of the bottom of the manifold box 9. Multiple exhaust pipes 8 are fixedly connected to the top of the manifold box 9. The multiple exhaust pipes 8 are fixedly installed at the bottom of the adsorption cavity 6 and communicate with the inside of the adsorption cavity 6. A pneumatic cylinder 21 is fixedly connected between the fan 12 and the manifold box 9. A guide box 18 is fixedly installed on one side inside the adsorption cavity 6. A sponge block 20 is fixedly inserted inside the guide box 18.
[0023] Specifically, the cavity protective cover 1 covers the top of the corona back roller 3 to reduce heat loss. Multiple high-voltage electrodes 2 are fixedly installed inside the cavity protective cover 1. The high-voltage electrodes 2 discharge at high voltage to ionize the air and generate plasma. All the high-voltage electrodes 2 are located on the top of the corona back roller 3.
[0024] The transmission shaft 4 is fixedly arranged in the corona back roller 3, both ends of the transmission shaft 4 are rotatably connected with two mounting frames 5, the two mounting frames 5 are rotatably sleeved outside the transmission shaft 4, the transmission shaft 4 is installed on the corresponding driving structure of the corona machine, the transmission shaft 4 is used for driving the corona back roller 3 to rotate, and the mounting frame 5 is in a rotatable connection state with the corona back roller 3 and the transmission shaft 4, so that when the mounting frame 5 cannot rotate under stress, the rotation of the corona back roller 3 is not affected.
[0025] The air pressure cylinder 21 is fixedly connected between the fan 12 and the bus box 9 in the air exhaust assembly, the top of the bus box 9 is fixedly and communicatively connected with a plurality of air exhaust pipes 8, the plurality of air exhaust pipes 8 are fixedly installed at the bottom of the adsorption cavity 6 and are in communication with the inside of the adsorption cavity 6, the plurality of air exhaust pipes 8 are arranged, the gas in the adsorption cavity 6 is exhausted through the plurality of uniformly distributed air exhaust pipes 8, and the air pressure balance of each position in the adsorption cavity 6 is ensured.
[0026] Under the action of the plurality of air exhaust pipes 8, the adsorption cavity 6 and the bus box 9 are fixedly connected together, the air pressure cylinder 21 is controlled to work, the adsorption cavity 6 moves up and down, the gap size between the adsorption cavity 6 and the corona back roller 3 is adjusted, the speed of the gas outside the corona back roller 3 entering the inside of the adsorption cavity 6 is controlled, the area of the negative pressure gas flow acting on the foil is adjusted, the distance between the adsorption cavity 6 and the corona back roller 3 is adjusted according to the deformation performance of the foil, and the needs of processing various foils are met.
[0027] Since the rubber pads 7 correspond to the mounting frames 5 one by one, the rubber pads 7 fixedly connected in the adsorption cavity 6 are tightly attached to the mounting frames 5 and are deformed after moving up, the area of the adsorption cavity 6 in communication with the outside is reduced, effective negative pressure is generated in the adsorption cavity 6, and the resource utilization rate is improved; and the rubber pads 7 are in different deformed states when the adsorption cavity 6 moves to different positions, although the friction between the mounting frames 5 and the rubber pads 7 is different, the mounting frames 5 cannot rotate and the normal work of the corona back roller 3 is not affected.
[0028] The fan 12 in the air extraction assembly works according to the preset power, a switching pipe 11 is fixedly installed at the air inlet end of the fan 12, the top end of the flexible pipe 10 fixedly connected to one end of the switching pipe 11 is fixedly connected with the bus box 9, the flexible pipe 10 that can be extended and retracted does not affect the up-down movement of the bus box 9, the bus box 9 is communicated with the inside of the adsorption cavity 6 through a plurality of air extraction pipes 8, and the fan 12 working extracts air from each part of the inside of the adsorption cavity 6 through the switching pipe 11, the flexible pipe 10, the bus box 9 and the plurality of air extraction pipes 8, so that a certain negative pressure is formed in the inside of the adsorption cavity 6, the negative pressure acts on the foil supported by the corona backing roll 3, through the adjustment of the negative pressure, the foil can be tightly connected with the corona backing roll 3, air entering the contact position of the foil and the corona backing roll 3 is avoided to cause the foil to be wrinkled in the process of walking, at the same time, the temperature of the high-temperature area at the top of the outside of the corona backing roll 3 can be diffused, the problem of uneven surface treatment of the foil is improved, the operation is simple, the corona and the carbon coating process are not affected, the appearance of the coating is reduced, and the workshop environment and the product quality are not affected.
[0029] The flexible rods 17 are fixedly connected to the two sides of the bottom of the bus box 9, the flexible rods 17 support and limit the bus box 9, so that the bus box 9 can only move up and down.
[0030] The air exhaust elbow pipe 13 is fixedly connected to the air outlet end of the fan 12, the external thread pipe 15 is threadedly connected in the air exhaust elbow pipe 13, the filter screen 16 is fixedly installed in the installation ring 14 fixedly connected to the bottom end of the external thread pipe 15, the airflow discharged by the fan 12 can be discharged only after being filtered by the filter screen 16, the impurities are intercepted in the external thread pipe 15, after a period of time, the installation ring 14 is rotated to make the external thread pipe 15 rotate and leave the inside of the air exhaust elbow pipe 13, so that the impurities in the external thread pipe 15 can be collected, the adhesion of dust on the foil and the outside of the corona backing roll 3 is judged and collected, the foil processing procedure can be adjusted in time, or the outside of the corona backing roll 3 can be cleaned.
[0031] The liquid guide pipe 19 is fixedly communicated to one side of the bottom of the flow guide box 18, one end of the liquid guide pipe 19 penetrates the adsorption cavity 6 and extends to the outside of the adsorption cavity 6, the air pressure cylinder 21 is controlled to work, the air pressure cylinder 21 pushes the adsorption cavity 6 to move up to the limit, so that the sponge block 20 fixedly inserted in the inside of the flow guide box 18 is in contact with the corona backing roll 3, at this time, the corona backing roll 3 is controlled to rotate to clean the outside of the corona backing roll 3; or liquid can be injected into the inside of the flow guide box 18 through the liquid guide pipe 19, the liquid is adsorbed by the sponge block 20 and acts on the corona backing roll 3, so that the cleaning quality of the corona backing roll 3 is improved.
[0032] In addition, the fan 12, the flexible rod 17 and the cavity protection cover 1 are installed on the corona machine.
[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A corona machine with suction fan comprising a chamber guard (1) and a corona backing roll (3), characterized in that: The corona backing roller (3) is rotatably connected with the mounting frame (5) at both ends, the bottom of the corona backing roller (3) is provided with the suction cavity (6), the rubber pad (7) is fixedly connected to the inside of the suction cavity (6) at both sides, the suction cavity (6) is provided with the air extraction assembly at the bottom, the guide box (18) is fixedly installed on one side of the inside of the suction cavity (6), and the sponge block (20) is fixedly inserted into the guide box (18).
2. The corona machine with suction fan according to claim 1, characterized in that: A plurality of high-voltage electrodes (2) are fixedly installed in the cavity protection cover (1), and the high-voltage electrodes (2) are arranged on the top of the corona backing roller (3).
3. The corona machine with suction fan as claimed in claim 1 wherein: The transmission shaft (4) is fixedly arranged in the corona backing roller (3), the mounting frame (5) is rotatably arranged on the outside of the transmission shaft (4), and the rubber pad (7) corresponds to the mounting frame (5).
4. The corona machine with suction fan as claimed in claim 1 wherein: The air extraction assembly comprises a fan (12), the adapter pipe (11) is fixedly installed at the air inlet end of the fan (12), one end of the adapter pipe (11) is fixedly connected with the telescopic pipe (10), and the top end of the telescopic pipe (10) is fixedly connected with the bus box (9).
5. A corona machine with suction fan as claimed in claim 4, wherein: The telescopic rod (17) is fixedly connected to the bottom of the bus box (9) at both sides, a plurality of air extraction pipes (8) are fixedly connected to the top of the bus box (9) and communicated with the inside of the suction cavity (6), the air extraction pipes (8) are fixedly installed at the bottom of the suction cavity (6) and communicated with the inside of the suction cavity (6), and the air pressure cylinder (21) is fixedly connected between the fan (12) and the bus box (9).
6. A corona machine with suction fan as claimed in claim 4, wherein: The air outlet end of the fan (12) is fixedly connected with the air exhaust elbow (13), the outer threaded pipe (15) is threadedly connected to the inside of the air exhaust elbow (13), the bottom end of the outer threaded pipe (15) is fixedly connected with the mounting ring (14), and the filter screen (16) is fixedly installed in the mounting ring (14).
7. The corona treater with suction fan as claimed in claim 1 wherein: The liquid guide pipe (19) is fixedly connected to the bottom of one side of the guide box (18) and communicated with the outside of the suction cavity (6).