A cooling and setting device for PVC film and a film production line

Abstract

The utility model is suitable for film production and processing equipment technical field discloses the cooling and shaping device of PVC film, the cooling and shaping device of PVC film includes conveyer frame, cooling roll group, dust cover, air -inducing component, exhaust fan and lighting lamp. The utility model discloses dust cover is provided on the cooling roll group top, and the dust cover is linked with air -inducing component and exhaust fan, can block the workshop dust and fall on the PVC film surface in the cooling and shaping process, reduces its influence to product appearance, guarantees the film surface cleanliness, while, with the help of hanging lighting lamp in dust cover inner wall, can provide sufficient and angle suitable light, is convenient for production personnel to observe the defect of PVC film and checks production problem, to reduce unqualified product production, improves the production quality of PVC film.

Description

Technical Field

[0001] This utility model relates to the field of film production and processing equipment technology, and in particular to a cooling and shaping device for PVC film and a film production line. Background Technology

[0002] PVC film possesses excellent chemical resistance, weather resistance, and plasticity, making it suitable for various applications such as building decoration, food packaging, medical supplies, advertising signage, sporting goods, and household goods. PVC film is typically formed by calendering, and after calendering, it requires cooling rollers for cooling and shaping. For example, Chinese patent document CN201920499972.8 discloses a PVC film production device, including a cooling roller assembly located downstream of the calender.

[0003] However, existing PVC film setting devices do not have dustproof or dust-blocking functions. For some dark-colored PVC film products, which have strong color development capabilities, if the film adsorbs dust during the cooling and setting process, it will seriously affect the appearance quality of the product. Utility Model Content

[0004] The purpose of this invention is to provide a cooling and shaping device and a film production line for PVC film, which aims to solve the problem that existing PVC film shaping devices do not have dustproof or dust-blocking functions.

[0005] To achieve the above objectives, the solution provided by this utility model is as follows:

[0006] A cooling and shaping device for PVC film includes a conveyor frame and a cooling roller assembly rotatably mounted on the conveyor frame, and further includes:

[0007] A dust cover is fixedly installed above the cooling roller assembly;

[0008] An air intake assembly is connected to the top of the dust cover, and the air intake assembly has an air intake facing the cooling roller assembly;

[0009] The exhaust fan is connected to the air intake assembly;

[0010] Lighting fixtures, which are mounted on the inner wall of a dust cover.

[0011] Optionally, the dust cover has a strip-shaped air outlet at the top; the air intake assembly includes an air guide hood and an air intake pipe connected to the air guide hood, the air guide hood covers the strip-shaped air outlet, the air intake pipe is connected to the input end of the exhaust fan, and the air intake is located at the top of the air guide hood.

[0012] Optionally, the PVC film cooling and shaping device further includes multiple support columns, which are vertically fixed on the conveyor frame, and the inner wall of the dust cover is fixedly connected to the support columns.

[0013] Optionally, the cooling roller assembly includes multiple cooling rollers arranged side by side and rotatably mounted on the conveyor frame;

[0014] The PVC film cooling and shaping device further includes an embossing roller and two drive components, wherein the embossing roller is parallel to and movably positioned above the cooling roller;

[0015] The two drive components are located at the two shaft ends of the embossing roller, and the output shaft of the drive component is connected to the embossing roller in a transmission connection. The drive component is fixedly connected to the support column.

[0016] Optionally, the embossing roller includes an embossing roller body, rotating shafts located at both ends of the embossing roller body, and bearing seats sleeved on the rotating shafts; the driving assembly includes a driving cylinder and a support plate; the support plate is horizontally fixed to the cylindrical surface of the support column, the driving cylinder is located on the support plate, and the telescopic rod of the driving cylinder is connected to the top of the bearing seat.

[0017] Optionally, the support column has multiple guide rails vertically arranged on its surface, and the bearing seat is movably connected to the guide rails.

[0018] Optionally, a first positioning rod is fixedly connected to the outer side of each of the two bearing seats, and the first positioning rod is horizontally arranged; a second positioning rod parallel to the first positioning rod is fixedly connected to the cylindrical surface of the support column; a locking rod is movably inserted into the second positioning rod, and the first positioning rod is provided with a socket for the locking rod to be inserted.

[0019] Optionally, the locking rod has external threads, and the locking rod is threadedly connected to a limit nut.

[0020] The second aspect of this utility model provides a film production line, including the cooling and shaping device for the PVC film.

[0021] Beneficial effects:

[0022] This invention provides a cooling and setting device for PVC film. By installing a dust cover above the cooling roller assembly, and connecting the dust cover to an exhaust structure composed of an air intake component and an exhaust mechanism, workshop dust can be prevented from falling onto the surface of the PVC film during the cooling and setting process, reducing its impact on the product appearance and ensuring the cleanliness of the film surface. At the same time, by installing lighting fixtures on the inner wall of the dust cover, sufficient and appropriately angled light can be provided, making it easier for production personnel to observe defects in the PVC film and troubleshoot production problems, thereby reducing the production of defective products and improving the production quality of PVC film.

[0023] The second aspect of this utility model provides a film production line, including a cooling and shaping device for the PVC film. This device can prevent dust from falling onto the surface of the PVC film during the cooling and shaping process after calendering, thereby effectively ensuring the surface cleanliness and production quality of the PVC film in the production line. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the PVC film cooling and shaping device provided by this utility model. Figure 1 .

[0026] Figure 2 yes Figure 1 Enlarged view of section A.

[0027] Figure 3 This is a schematic diagram of the structure of the PVC film cooling and shaping device provided by this utility model. Figure 2 .

[0028] Figure 4 This is a schematic diagram of the structure of the PVC film cooling and shaping device provided by this utility model. Figure 3 .

[0029] Figure 5 This is a partial structural schematic diagram of the PVC film cooling and shaping device provided by this utility model.

[0030] Explanation of icon numbers:

[0031] 1-Conveyor frame;

[0032] 2-Cooling roller assembly; 21-Cooling roller; 22-Rotary joint;

[0033] 3-Dust cover; 31-Strip air outlet;

[0034] 4-Air intake assembly; 41-Air guide hood; 411-Air intake port; 42-Air intake duct;

[0035] 5-Exhaust fan; 6-Lighting fixture; 7-Support column;

[0036] 8-Embossing roller; 81-Embossing roller body; 82-Rotating shaft; 83-Bearing housing;

[0037] 9-Drive assembly; 91-Drive cylinder; 92-Support plate;

[0038] 10-Guide rail; 11-First positioning rod; 12-Second positioning rod; 13-Locking rod; 14-Limit nut; 15-Drive motor; 16-Membrane. Detailed Implementation

[0039] 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.

[0040] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0041] It should also be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component present. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component present.

[0042] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0043] Please see Figures 1 to 5 This utility model provides a cooling and shaping device for PVC film, which is a component of a PVC film production line and is located downstream of a calender. Specifically, the cooling and shaping device for PVC film includes a conveyor frame 1, a cooling roller group 2, a dust cover 3, an exhaust fan assembly 4, an exhaust fan 5, and a lighting fixture 6.

[0044] The cooling roller assembly 2 is rotatably mounted on the conveyor frame 1. After the PVC film 16 is calendered by the calender, it is pulled onto the cooling roller assembly 2 for cooling and shaping. The dust cover 3 is a box-type structure with an opening at the bottom, which is fixedly mounted above the cooling roller assembly 2. It can prevent dust from the workshop from falling onto the surface of the PVC film 16 wrapped around the cooling roller assembly 2, thereby reducing the impact of dust on the appearance of the PVC film 16 product.

[0045] The lighting fixture 6 can be a lamp tube or a light bulb, and it is mounted on the inner wall of the dust cover 3. The lighting fixture 6 provides sufficient light at a suitable angle, facilitating the observation of defects (such as scratches, bubbles, and impurities) in the PVC film 16 by production personnel. Once a defect is detected, production personnel can investigate the root cause of the problem, thereby reducing the production of defective products and improving the overall quality of the PVC film 16.

[0046] The top of the air intake assembly 4 is connected to the top of the dust cover 3, and the air intake assembly 4 has an air intake 411 facing the cooling roller assembly 2. When the exhaust fan 5 is started, the air intake assembly 4 can quickly form a negative pressure through the air intake 411, which draws any fine dust that may remain inside the dust cover 3 and is not completely blocked to the outside of the dust cover 3, thereby preventing dust from falling on the surface of the PVC film 16 and further ensuring the cleanliness of the PVC film 16 surface.

[0047] It is understood that the output end of the exhaust fan 5 can be connected to a dust collector bag through a pipeline, or the dust collector bag can be connected to both the input end of the exhaust fan 5 and the air intake assembly 4. In this way, after the gas containing dust is extracted from the dust cover 3, the gas can be filtered, so that when the air is discharged into the atmosphere, it will not pollute the environment.

[0048] Specifically, an opening can be provided on the side wall of the dust cover 3 so that the cable connected to the lighting fixture 6 can be led out to the outside of the dust cover 3, so that the lighting fixture 6 can be powered by the power source outside the dust cover 3.

[0049] like Figure 1 and Figure 4As shown, in an optional embodiment, to expand the suction range, a strip-shaped air outlet 31 is provided on the top of the dust cover 3. The air intake assembly 4 includes an air guide hood 41 and an air intake pipe 42 connected to the air guide hood 41. The air guide hood 41 covers the strip-shaped air outlet 31, and the air intake pipe 42 is connected to the input end of the exhaust fan 5. The air intake 411 is opened on the top of the air guide hood 41 (i.e., at the connection between the air intake pipe 42 and the air guide hood 41). In this embodiment, the air guide hood 41 covers the strip-shaped air outlet 31 on the top of the dust cover 3. The air intake 411 facing the cooling roller group 2 can cooperate with the exhaust fan 5 and the air intake pipe 42 to form a directional negative pressure inside the dust cover 3, thereby efficiently extracting any fine dust that may remain inside the dust cover 3, further preventing dust from falling on the surface of the PVC film 16 and ensuring the cleanliness of the film 16 surface.

[0050] like Figure 1 and Figure 2 As shown, in an optional embodiment, the PVC film cooling and shaping device further includes multiple support columns 7, which are vertically fixed to the conveyor frame 1. The inner wall of the dust cover 3 is fixedly connected to the support columns 7 (e.g., by welding). In this embodiment, by vertically fixing multiple support columns 7 to the conveyor frame 1 and fixing the support columns 7 to the inner wall of the dust cover 3, the dust cover 3 can be suspended and fixed above the cooling roller group 2. The dust cover 3 will not obstruct the observation line of the production personnel. In addition, the sufficient light provided by the lighting fixture 6 hanging on the inner wall of the dust cover 3 makes it easy for the production personnel to check the surface condition of the PVC film 16 during the cooling and shaping process.

[0051] like Figure 1 , Figure 2 as well as Figure 5 As shown, in an optional embodiment, the cooling roller assembly 2 includes multiple cooling rollers 21 arranged side-by-side and rotatably mounted on the conveyor frame 1. Cooling water (which can be provided by a water-cooled chiller, air-cooled chiller, etc.) can be introduced into the cooling rollers 21 to cool and shape the calendered PVC film 16. Figure 3 As shown, Figure 2 The diagram illustrates the cooling and setting process of the PVC film 16. The PVC film 16 is wound in an inverted S-shape around the side-by-side cooling rollers 21, ensuring that both sides of the PVC film 16 can contact the cooling rollers 21, resulting in better cooling and setting. To allow cooling water to flow into the cooling rollers 21, a rotary joint 22 is provided at the shaft end of the cooling rollers 21. This allows external cooling water pipes to be connected to the cooling rollers 21 via the rotary joint 22. When the cooling rollers 21 rotate, the rotary joint 22 maintains the continuity of cooling water supply, allowing the cooling water to circulate within the roller body, thereby achieving uniform cooling and setting of the PVC film 16 through heat exchange.

[0052] Furthermore, the PVC film cooling and shaping device also includes an embossing roller 8 and two drive components 9. The embossing roller 8 is parallel and movably disposed above the cooling roller 21, and can be used in conjunction with the cooling roller 21 to press textures onto the surface of the PVC film 16.

[0053] Furthermore, the two drive components 9 are respectively located at the two shaft ends of the embossing roller 8, and the drive components 9 and the support column 7 are fixedly connected. The output shaft of the drive component 9 is connected to the embossing roller 8, so that the embossing roller 8 can be driven to move up and down through the drive components 9. When it is necessary to press a pattern onto the surface of the PVC film 16, the embossing roller 8 can press against the PVC film 16 and the cooling roller 21. When the cooling roller 21 rotates, the PVC film 16 is driven, so that the embossing roller 8 can be rotated through the friction between the PVC film 16 and the surface of the embossing roller 8, thereby performing the embossing operation.

[0054] It should be noted that the traction force of the cooling roller 21 on the PVC film 16 can come from the film 16 winding mechanism of the existing PVC film production line, or it can be achieved by driving the cooling roller 21 to rotate independently through the drive motor 15.

[0055] like Figure 1 , Figure 2 as well as Figure 5 As shown, in an optional embodiment, the embossing roller 8 includes an embossing roller body 81, rotating shafts 82 located at both ends of the embossing roller body 81, and bearing seats 83 sleeved on the rotating shafts 82. In this embodiment, the embossing roller body 81 is rotatably supported by the rotating shafts 82 and bearing seats 83 at both ends. Each drive assembly 9 includes a drive cylinder 91 and a support plate 92 located inside the dust cover 3; the support plate 92 is horizontally fixed to the cylindrical surface of the support column 7, the drive cylinder 91 is mounted on the support plate 92, and the telescopic rod of the drive cylinder 91 is connected to the top of the bearing seat 83. Thus, the bearing seats 83 at both ends of the embossing roller body 81 can be driven to move up or down by the synchronous telescopic action of the telescopic rods of the two drive cylinders 91, thereby adjusting the height of the embossing roller body 81. When it is necessary to press a pattern onto the surface of the PVC film 16, the embossing roller body 81 can press against the PVC film 16 and the cooling roller 21.

[0056] like Figure 5As shown, in an optional embodiment, multiple guide rails 10 are vertically arranged on the surface of the support column 7, and the bearing seat 83 is movably connected to the guide rails 10. When the drive cylinder 91 drives the bearing seat 83 to move the embossing roller body 81 up and down, the guide rails 10 can guide the movement of the bearing seat 83, ensuring that the bearing seats 83 at both ends of the embossing roller body 81 move synchronously and smoothly in the vertical direction, avoiding tilting or deviation of the embossing roller body 81 during movement, thereby ensuring the parallelism between the embossing roller body 81 and the cooling roller 21, making the embossing on the surface of the PVC film 16 uniform and consistent, and improving the embossing quality; at the same time, the guide rails 10 can also share the weight of the bearing seat 83 and the embossing roller body 81, reduce the lateral force on the extension rod of the drive cylinder 91, reduce the wear of the drive assembly 9, and enhance the stability and service life of the device.

[0057] like Figure 2 and Figure 5 As shown, in an optional embodiment, a first positioning rod 11 is fixedly connected to the outer surfaces of both bearing seats 83, and the first positioning rod 11 is horizontally arranged; a second positioning rod 12 parallel to the first positioning rod 11 is fixedly connected to the cylindrical surface of the support column 7; a locking rod 13 is movably inserted into the second positioning rod 12, and the first positioning rod 11 is provided with an insertion hole for the locking rod 13 to be inserted. In this embodiment, by setting a horizontal first positioning rod 11 on the outer surface of the bearing seat 83, setting a parallel second positioning rod 12 on the cylindrical surface of the support column 7, and cooperating with a locking rod 13 that can be movably inserted into the second positioning rod 12 and can be inserted into the insertion hole of the first positioning rod 11, mechanical locking can be achieved by the locking rod 13 passing through the insertion hole of the second positioning rod 12 and the first positioning rod 11 when embossing is not required, so that the embossing roller 8 can be stably held above the cooling roller 21, and there will be no production safety accident of the embossing roller 8 falling downward.

[0058] like Figure 2 As shown, in an optional embodiment, the locking rod 13 has an external thread, and the locking rod 13 is threadedly connected to a limiting nut 14. At least two limiting nuts 14 are provided. When the locking rod 13 simultaneously passes through the first positioning rod 11 and the second positioning rod 12, the limiting nut 14 is used to restrict the movement of the locking rod 13, effectively preventing the locking rod 13 from loosening or shifting due to vibration or other factors during the operation of the cooling and shaping device, further strengthening the locking of the locking rod 13 onto the embossing roller 8.

[0059] The second aspect of this utility model provides a film production line, including a cooling and shaping device for the PVC film. This device can prevent dust from falling onto the surface of the PVC film 16 during the cooling and shaping process after the PVC film 16 has been calendered, thereby effectively ensuring the surface cleanliness and production quality of the PVC film 16 in the production line.

[0060] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A cooling and shaping device for PVC film, comprising a conveyor frame (1) and a cooling roller assembly (2) rotatably mounted on the conveyor frame (1), characterized in that, Also includes: Dust cover (3), the dust cover (3) is fixedly installed above the cooling roller assembly (2); The air intake assembly (4) is connected to the top of the dust cover (3) and has an air intake (411) facing the cooling roller assembly (2); A blower (5) is connected to an air intake assembly (4); Lighting fixture (6), which is hung on the inner wall of dust cover (3).

2. The cooling and shaping device for PVC film according to claim 1, characterized in that, The dust cover (3) has a strip-shaped air outlet (31) on its top; the air intake assembly (4) includes an air guide cover (41) and an air intake pipe (42) connected to the air guide cover (41). The air guide cover (41) covers the strip-shaped air outlet (31). The air intake pipe (42) is connected to the input end of the exhaust fan (5). The air intake (411) is located on the top of the air guide cover (41).

3. The cooling and shaping device for PVC film according to claim 1, characterized in that, It also includes multiple support columns (7), which are vertically fixed on the conveyor frame (1), and the inner wall of the dust cover (3) is fixedly connected to the support columns (7).

4. The cooling and shaping device for PVC film according to claim 3, characterized in that, The cooling roller assembly (2) includes multiple cooling rollers (21) arranged side by side and rotatably mounted on the conveyor frame (1); The PVC film cooling and shaping device further includes an embossing roller (8) and two drive components (9), wherein the embossing roller (8) is parallel to and movably disposed above the cooling roller (21); The two drive components (9) are located at the two shaft ends of the embossing roller (8), and the output shaft of the drive component (9) is connected to the embossing roller (8) in a transmission connection. The drive component (9) and the support column (7) are fixedly connected.

5. The cooling and shaping device for PVC film according to claim 4, characterized in that, The embossing roller (8) includes an embossing roller body (81), a rotating shaft (82) located at both ends of the embossing roller body (81), and a bearing seat (83) sleeved on the rotating shaft (82); the drive assembly (9) includes a drive cylinder (91) and a support plate (92); the support plate (92) is horizontally fixed to the cylindrical surface of the support column (7), the drive cylinder (91) is located on the support plate (92), and the telescopic rod of the drive cylinder (91) is connected to the top of the bearing seat (83).

6. The cooling and shaping device for PVC film according to claim 5, characterized in that, The support column (7) has multiple guide rails (10) vertically arranged on its surface, and the bearing seat (83) and the guide rails (10) are movably connected.

7. The cooling and shaping device for PVC film according to claim 5, characterized in that, Both bearing seats (83) are fixedly connected to a first positioning rod (11) on their outer sides. The first positioning rod (11) is horizontally arranged. The cylindrical surface of the support column (7) is fixedly connected to a second positioning rod (12) that is parallel to the first positioning rod (11). A locking rod (13) is movably inserted into the second positioning rod (12). The first positioning rod (11) is provided with a hole for the locking rod (13) to be inserted.

8. The cooling and shaping apparatus for PVC film according to claim 7, characterized in that, The locking rod (13) has external threads, and the locking rod (13) is threadedly connected to a limit nut (14).

9. A thin film production line, characterized in that, The device includes a cooling and shaping apparatus for PVC film as described in any one of claims 1-8.

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