Method for conveying and device for conveying superhigh-viscosity plastic protective film for preventing adhesion and breaking

By employing a negative pressure adsorption mechanism and an anti-sticking bump design, the problem of adhesion and breakage of ultra-high viscosity plastic protective film during transportation is solved, achieving efficient and stable transportation results.

CN117361207BActive Publication Date: 2026-04-07YONGSHENG YUNJIA (XUANCHENG) THIN FILM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-17
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

During the transport of ultra-high viscosity plastic protective films, adhesion and breakage problems caused by excessive viscosity affect the normal operation of equipment and the integrity of objects.

Method used

It adopts a negative pressure adsorption mechanism and anti-sticking bump design. The negative pressure fan generates negative pressure adsorption force, which, together with the staggered conveyor rollers and suction heads, reduces the direct contact between the film and the rollers. The adsorption force is adjusted according to the viscosity to avoid breakage.

Benefits of technology

It effectively reduces the breakage of plastic protective film during transportation, improves transportation efficiency and equipment stability, and avoids adhesion and breakage caused by excessive stickiness.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a conveying device for preventing the adhesion and breakage of ultra-high viscosity plastic protective film. It is characterized by comprising: a mounting support frame, with a conveying mechanism fixedly connected to its upper end; a negative pressure adsorption mechanism is engaged at the upper end of the conveying mechanism; the conveying mechanism includes a conveying frame with a conveying groove at its upper end, and multiple sets of evenly arranged conveying rollers installed inside the conveying groove. By providing anti-adhesion protrusions on the surface of the conveying rollers, contact with the plastic protective film during conveying is reduced, improving conveying efficiency. During conveying, a negative pressure fan draws in air, and multiple sets of diversion pipes with control valves are connected to a valve block to divert air to the negative pressure chamber, where it is adsorbed by a 45-degree inclined negative pressure suction head. This generates different negative pressure adsorption forces for conveying plastic protective films with different viscosities, preventing excessive adsorption forces from lifting and damaging the plastic protective film.
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Description

Technical Field

[0001] This invention relates to the field of plastic film conveying technology, and more particularly to a method and apparatus for conveying ultra-high viscosity plastic protective films to prevent sticking and breakage. Background Technology

[0002] Ultra-high adhesion plastic protective film is a high-strength protective film commonly used to protect electronic screens, plastics, metals, and other materials. This protective film is typically between 0.05 mm and 0.25 mm thick and possesses extremely strong adhesion and tear resistance, effectively protecting covered objects from scratches, impacts, and dirt. Currently, the problem of adhesion caused by excessive viscosity during the conveying process after production is difficult to solve. This adhesion often leads to the breakage of the plastic protective film, and the broken film also adheres to the conveying equipment, causing equipment malfunctions or damage to objects. Summary of the Invention

[0003] This invention addresses the problem of breakage caused by excessive viscosity during the transport of ultra-high viscosity plastic protective films in existing technologies, and proposes the following technical solution:

[0004] A high-viscosity plastic protective film anti-adhesion and breakage handling conveying device, characterized in that it includes:

[0005] The mounting support frame is fixedly connected to the upper end of the mounting support frame, and a negative pressure adsorption mechanism is engaged at the upper end of the conveying mechanism.

[0006] The conveying mechanism includes a conveying frame, with a conveying groove at the upper end of the conveying frame. Multiple sets of evenly arranged conveying rollers are installed inside the conveying groove. Anti-sticking protrusions are fixedly connected to the surface of the conveying rollers. Rotating shafts pressed into the conveying frame are fixedly connected to both ends of the conveying rollers. A connecting wheel is fixedly connected to one end of the rotating shaft.

[0007] The negative pressure adsorption mechanism includes a support box and a snap-fit ​​plate disposed at the lower end of the support box. A negative pressure fan is fixedly installed on one side inside the support box. A valve block is connected to the output end of the negative pressure fan. A diverter pipe with a control valve is fixedly connected to the lower end of the valve block. A negative pressure air chamber fixedly installed inside the snap-fit ​​plate is fixedly connected to one end of the diverter pipe. A connecting pipe is fixedly connected to the lower end of the negative pressure air chamber. A negative pressure suction head is fixedly connected to the lower end of the connecting pipe.

[0008] The negative pressure fan starts to draw air under negative pressure and delivers the negative pressure air to the negative pressure chamber through the diversion pipe. The negative pressure suction head connected to the lower end through the connecting pipe then uses negative pressure to lift the ultra-high viscosity plastic protective film adhered to the upper end of the conveying roller in the conveying direction, and works with the conveying roller to convey it.

[0009] The above technical solution can reduce contact during the conveying process of plastic protective film, avoid breakage of plastic protective film due to excessive viscosity, and also adsorb the plastic protective film upward, further reducing the adhesion of the plastic protective film to the conveying roller during the conveying process, improving the conveying effect, and avoiding breakage of plastic protective film due to excessive viscosity.

[0010] As an improvement to the above technical solution, the anti-sticking bumps are outwardly protruding round bumps, which are staggered on the surface of the conveyor roller.

[0011] The above technical solution can reduce contact with the plastic protective film during transportation, thus avoiding breakage of the plastic protective film due to excessive viscosity.

[0012] As an improvement to the above technical solution, a drive mechanism is also provided outside the conveyor frame, and multiple sets of conveyor rollers are connected to the drive mechanism by a drive belt through a connecting wheel at one end of a rotating shaft.

[0013] The above technical solution enables the system to be driven when conveying is required, and drives the entire conveying roller to operate synchronously, thereby improving the conveying effect.

[0014] As an improvement to the above technical solution, the snap-fit ​​plate is snapped between the upper ends of the conveying groove, and its lower surface is close to the conveying roller.

[0015] The above technical solution allows the material to adhere closely to the plastic protective film during transport, thereby improving the negative pressure adsorption force.

[0016] As an improvement to the above technical solution, the negative pressure air chamber is provided in multiple sets and is fixedly installed inside the snap-fit ​​plate in an alternating manner. The lower end of the valve block is fixedly connected to multiple sets of control valves, and the diversion pipe is connected to the negative pressure air chamber in an alternating manner.

[0017] The above technical solution allows for adjustments to the plastic protective film during transport based on its different adhesion, preventing breakage due to excessive or insufficient adhesion.

[0018] As an improvement to the above technical solution, the negative pressure suction head is inclined at 45 degrees in the conveying direction and is staggered at the lower end of the snap-fit ​​plate.

[0019] The above technical solution can adsorb the plastic protective film in the direction of transportation, thereby improving transportation efficiency.

[0020] To facilitate the use of any of the ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying devices in the aforementioned technical solutions, a method for anti-adhesion and breakage treatment conveying of ultra-high viscosity plastic protective film is provided, comprising the following steps:

[0021] S1: High-adhesion plastic protective film transport

[0022] After production, the ultra-high viscosity plastic protective film is placed on the surface of the conveyor roller at one end of the conveying device by manual pulling, and is conveyed by adhesion.

[0023] S2: Ultra-high viscosity plastic protective film conveyor

[0024] The drive mechanism drives the connecting wheel at one end of the conveyor roller through the transmission belt to carry out the conveying work. Because the surface is provided with anti-sticking protrusions, it can reduce the contact with the ultra-high adhesion plastic protective film and avoid the ultra-high adhesion plastic protective film from breaking due to large-area contact.

[0025] S3: Anti-adhesion adjustment

[0026] During the conveying process, the control valve at the lower end of the valve block is switched on and off alternately according to the different viscosities of the ultra-high viscosity plastic protective film to be conveyed after production, so that the negative pressure air chambers are used alternately.

[0027] S4: Anti-sticking conveyor

[0028] The negative pressure fan starts to draw air under negative pressure and delivers the negative pressure air to the negative pressure chamber through the diversion pipe. The negative pressure suction head, connected to the lower end through the connecting pipe, sucks up the ultra-high viscosity plastic protective film adhered to the upper end of the conveying roller under negative pressure and conveys it to the subsequent processing in conjunction with the conveying roller.

[0029] The beneficial effects of this invention are:

[0030] By setting anti-sticking protrusions on the surface of the conveying roller, the contact between the roller and the plastic protective film can be reduced during the conveying process, thereby improving the conveying efficiency. During the conveying process, the negative pressure fan draws in negative pressure, and the air is diverted to the negative pressure chamber through multiple sets of diversion pipes with control valves connected to the valve block. The air is then adsorbed by the negative pressure suction head at a 45-degree angle. This generates different negative pressure adsorption forces to handle plastic protective films with different viscosities, avoiding excessive adsorption forces that could lift and damage the plastic protective film. Attached Figure Description

[0031] Figure 1 This is a front view of the overall structure of the present invention;

[0032] Figure 2 This is a perspective view of the conveying mechanism of the present invention;

[0033] Figure 3 This is a front view of the conveyor roller of the present invention;

[0034] Figure 4 This is a front view of the negative pressure adsorption mechanism of the present invention;

[0035] Figure 5This is a cross-sectional view of the negative pressure adsorption mechanism of the present invention. Reference numerals: 1. Mounting support frame; 2. Conveying mechanism; 21. Conveying frame; 22. Conveying trough; 23. Conveying roller; 24. Anti-sticking protrusions; 25. Rotating shaft; 26. Connecting wheel; 3. Negative pressure adsorption mechanism; 31. Support box; 32. Clip-on plate; 33. Negative pressure suction head; 34. Negative pressure fan; 35. Valve block; 36. Control valve; 37. Diverter pipe; 38. Negative pressure air chamber; 39. Connecting pipe. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0037] Example

[0038] A conveying device for preventing the ultra-high viscosity plastic protective film from sticking and breaking, comprising:

[0039] Mounting support frame 1, with a conveying mechanism 2 fixedly connected to the upper end of mounting support frame 1, and a negative pressure adsorption mechanism 3 snapped into the upper end of conveying mechanism 2;

[0040] The conveying mechanism 2 includes a conveying frame 21. A conveying groove 22 is provided at the upper end of the conveying frame 21. Multiple sets of evenly arranged conveying rollers 23 are installed inside the conveying groove 22. Anti-sticking protrusions 24 are fixedly connected to the surface of the conveying rollers 23. Rotating shafts 25 pressed into the inside of the conveying frame 21 are fixedly connected to both ends of the conveying rollers 23. A connecting wheel 26 is fixedly connected to one end of the rotating shaft 25.

[0041] The conveyor frame 21 can be used to install the conveyor rollers 23 and the drive mechanism to ensure stable normal conveying operation. The conveyor groove 22 at the upper end can be used to engage with the negative pressure adsorption mechanism 3 to prevent the plastic protective film from breaking due to excessive adhesion during conveying. The anti-sticking protrusions 24 on the surface of the conveyor rollers 23 can reduce contact with the plastic protective film during conveying and improve conveying efficiency. The rotating shafts 25 at both ends can fix them, and the connecting wheel 26 at one end can enable multiple sets of conveyor rollers 23 to work simultaneously.

[0042] As an improvement to the above technical solution, the anti-sticking bumps 24 are outwardly protruding round bumps, which are staggered on the surface of the conveying roller 23. This can reduce the contact between the anti-sticking bumps and the plastic protective film during the conveying process and prevent the plastic protective film from breaking due to excessive stickiness.

[0043] As an improvement to the above technical solution, a drive mechanism is also provided on the outside of the conveyor frame 21. Multiple sets of conveyor rollers 23 are connected to the drive mechanism by a drive belt through a connecting wheel 26 at one end of a rotating shaft 25. This mechanism can drive the conveyor when conveying is required and drive the entire conveyor roller 23 to operate synchronously, thereby improving the conveying effect.

[0044] The negative pressure adsorption mechanism 3 includes a support box 31 and a snap-fit ​​plate 32 disposed at the lower end of the support box 31. A negative pressure fan 34 is fixedly installed on one side inside the support box 31. A valve block 35 is connected to the output end of the negative pressure fan 34. A diversion pipe 37 with a control valve 36 is fixedly connected to the lower end of the valve block 35. A negative pressure air chamber 38 fixedly installed inside the snap-fit ​​plate 32 is fixedly connected to one end of the diversion pipe 37. A connecting pipe 39 is fixedly connected to the lower end of the negative pressure air chamber 38. A negative pressure suction head 33 is fixedly connected to the lower end of the connecting pipe 39.

[0045] The support box 31 can be fixed on the upper end of the conveying mechanism 2. The negative pressure fan 34 installed inside draws air under negative pressure, and the valve block 35 connects to multiple sets of diversion pipes 37 with control valves 36 for diversion. This allows for different negative pressure adsorption forces to be generated when conveying plastic protective films with different viscosities, avoiding excessive adsorption force that could lift and damage the plastic protective film. The negative pressure air chamber 38 can disperse the negative pressure air force and output it to the negative pressure suction head 33 through the connecting pipe 39, so that it can perform negative pressure adsorption according to the conveying needs, improving the overall integrity of the plastic protective film conveying process.

[0046] As an improvement to the above technical solution, the snap-fit ​​plate 32 is snapped between the upper ends of the conveying groove 22, and its lower surface is close to the conveying roller 23, which can be close to the plastic protective film during the conveying process to improve the negative pressure adsorption force.

[0047] Furthermore, multiple sets of negative pressure chambers 38 are provided and are staggered and fixedly installed inside the snap-fit ​​plate 32. Multiple sets of control valves 36 are fixedly connected to the lower end of the valve block 35. The diversion pipes 37 are staggered and connected to the negative pressure chambers 38. This allows for adjustment of the plastic protective film during the conveying process according to different viscosities, preventing the plastic protective film from breaking due to excessive or insufficient adsorption force.

[0048] Meanwhile, the negative pressure suction head 33 is tilted at 45 degrees in the conveying direction and is staggered at the lower end of the snap-fit ​​plate 32, which can adsorb the plastic protective film in the conveying direction and improve the conveying efficiency.

[0049] To facilitate the use of any of the ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying devices in the aforementioned technical solutions, a method for anti-adhesion and breakage treatment conveying of ultra-high viscosity plastic protective film is provided, comprising the following steps:

[0050] S1: High-adhesion plastic protective film transport

[0051] The ultra-high viscosity plastic protective film after production is placed on the surface of the conveyor roller 23 at one end of the conveying device by manual pulling, and is conveyed by adhesion.

[0052] S2: Ultra-high viscosity plastic protective film conveyor

[0053] The drive mechanism drives the connecting wheel 26 at one end of the conveying roller 23 to carry out the conveying work through the transmission belt. Since the surface is provided with anti-sticking protrusions 24, it can reduce the contact with the ultra-high viscosity plastic protective film and avoid the ultra-high viscosity plastic protective film from breaking due to large-area contact.

[0054] S3: Anti-adhesion adjustment

[0055] During the conveying process, the control valve 36 at the lower end of the valve block 35 is switched on and off alternately according to the different viscosities of the ultra-high viscosity plastic protective film to be conveyed after production, so that the negative pressure air chamber 38 can be used alternately.

[0056] S4: Anti-sticking conveyor

[0057] The negative pressure fan 34 starts to draw air under negative pressure and delivers the negative pressure air to the negative pressure chamber 38 through the diversion pipe 37. The negative pressure suction head 33, which is connected to the lower end through the connecting pipe 39, sucks up the ultra-high viscosity plastic protective film adhered to the upper end of the conveying roller 23 in the conveying direction under negative pressure and, together with the conveying roller 23, conveys it to the subsequent processing.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A conveying device for preventing the ultra-high viscosity plastic protective film from sticking and breaking, characterized in that, include: The mounting support frame (1) is fixedly connected to the upper end of the mounting support frame (1), and the upper end of the conveying mechanism (2) is clamped with a negative pressure adsorption mechanism (3). The conveying mechanism (2) includes a conveying frame (21), the upper end of which is provided with a conveying groove (22). Multiple sets of evenly arranged conveying rollers (23) are installed inside the conveying groove (22). Anti-sticking protrusions (24) are fixedly connected to the surface of the conveying rollers (23). Rotating shafts (25) pressed into the inside of the conveying frame (21) are fixedly connected to both ends of the conveying rollers (23). A connecting wheel (26) is fixedly connected to one end of the rotating shaft (25). The negative pressure adsorption mechanism (3) includes a support box (31) and a snap-fit ​​plate (32) disposed at the lower end of the support box (31). A negative pressure fan (34) is fixedly installed on one side inside the support box (31). A valve block (35) is connected to the output end of the negative pressure fan (34). A diversion pipe (37) with a control valve (36) is fixedly connected to the lower end of the valve block (35). A negative pressure air chamber (38) fixedly installed inside the snap-fit ​​plate (32) is fixedly connected to one end of the diversion pipe (37). A connecting pipe (39) is fixedly connected to the lower end of the negative pressure air chamber (38). A negative pressure suction head (33) is fixedly connected to the lower end of the connecting pipe (39). The negative pressure fan (34) is started to draw air under negative pressure, and the negative pressure air is delivered to the negative pressure air chamber (38) through the diversion pipe (37). The negative pressure suction head (33) connected to the lower end through the connecting pipe (39) will suck up the ultra-high viscosity plastic protective film adhered to the upper end of the conveying roller (23) under negative pressure in the conveying direction, and cooperate with the conveying roller (23) for conveying.

2. The ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying device according to claim 1, characterized in that: The anti-sticking bumps (24) are outwardly protruding round bumps, which are staggered on the surface of the conveyor roller (23).

3. The ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying device according to claim 1, characterized in that: The conveyor frame (21) is also equipped with a drive mechanism. Multiple sets of conveyor rollers (23) are connected to the drive mechanism by a drive belt through a connecting wheel (26) at one end of a rotating shaft (25).

4. The ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying device according to claim 1, characterized in that: The snap-fit ​​plate (32) snaps into the upper end of the conveying groove (22), and its lower surface is close to the conveying roller (23).

5. The ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying device according to claim 1, characterized in that: The negative pressure chamber (38) is provided in multiple sets and is fixedly installed inside the snap-fit ​​plate (32) in an alternating manner. The lower end of the valve block (35) is fixedly connected to multiple sets of control valves (36), and the diversion pipe (37) is connected to the negative pressure chamber (38) in an alternating manner.

6. The ultra-high viscosity plastic protective film anti-adhesion and breakage treatment conveying device according to claim 1, characterized in that: The negative pressure suction head (33) is inclined at 45 degrees in the conveying direction and is staggered at the lower end of the snap-fit ​​plate (32).

7. A method for conveying ultra-high adhesion plastic protective film to prevent adhesion and breakage, comprising the ultra-high adhesion plastic protective film anti-adhesion and breakage conveying device as described in any one of claims 1-6, characterized in that, Includes the following steps: S1: High-adhesion plastic protective film transport After the production of the ultra-high viscosity plastic protective film is completed, it is placed on the surface of the conveying roller (23) at one end of the conveying device by manual pulling and is conveyed by adsorption due to viscosity. S2: Ultra-high viscosity plastic protective film conveyor The drive mechanism drives the connecting wheel (26) at one end of the conveying roller (23) to carry out the conveying work through the transmission belt. Since the surface is provided with anti-sticking protrusions (24), it can reduce the contact with the ultra-high viscosity plastic protective film and avoid the ultra-high viscosity plastic protective film from breaking due to large-area contact. S3: Anti-adhesion adjustment During transport, the control valve (36) at the lower end of the valve block (35) is switched on and off alternately according to the different viscosities of the ultra-high viscosity plastic protective film to be transported after production, so that the negative pressure chamber (38) is used alternately. S4: Anti-sticking conveyor The negative pressure fan (34) is started to draw air under negative pressure, and the negative pressure air is delivered to the negative pressure chamber (38) through the diversion pipe (37). The negative pressure suction head (33) connected to the lower end through the connecting pipe (39) sucks up the ultra-high viscosity plastic protective film adhered to the upper end of the conveying roller (23) under negative pressure in the conveying direction, and is conveyed to the subsequent processing in conjunction with the conveying roller (23).

Citation Information

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