A drawing device for PVC film processing

Abstract

The utility model relates to PVC film processing technical field, and disclose a PVC film processing's pressure extending device, including work box, still include: to PVC film pressure extending handle pressure extending assembly, install in work box, the work box is fixedly connected with mounting bracket on, install dust removal assembly that removes the dust of PVC film periphery on the mounting bracket, the one side of work box is installed with dust catcher, install transmission assembly that adjusts the working range of dust removal assembly on the mounting bracket, the utility model discloses through screw rod drive upper pressure roll lifting, realize two roller spacing adjustment, adapt to different specifications film pressure extending demand, servo motor drive suction duct reciprocating swing, adjust dust removal assembly range, improve dust removal efficiency, inhale the precise alignment film edge and conveying path of mouth, effectively remove the electrostatic adsorption dust generated in the calendering process, avoid the quality defect of the subsequent process because of the particle pollution.

Description

Technical Field

[0001] This utility model relates to the field of PVC film processing technology, specifically to a calendering device for PVC film processing. Background Technology

[0002] Calendering is one of the important basic processes in polymer material processing, and it is also one of the important processing and molding methods for some polymer semi-finished and finished products. Polyvinyl chloride, abbreviated as PVC, is a polymer formed by the polymerization of vinyl chloride monomer under the action of initiators such as peroxides and azo compounds or under the action of light and heat according to the free radical polymerization mechanism. Calendering is often required in the processing of PVC film.

[0003] Traditional dust removal devices mostly use fixed air inlets, which cover a single area and are difficult to adapt to dynamic position changes during film transport. This results in dust residue on the film edges or in local areas, affecting the subsequent winding quality. In high-end applications (such as food packaging and electronic-grade films), dust can easily lead to product scrapping. Utility Model Content

[0004] The purpose of this invention is to provide a calendering device for processing PVC film, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a calendering device for processing PVC film, comprising a working box, and further comprising:

[0006] The calendering assembly for PVC film calendering is installed in a work box. A mounting frame is fixedly connected to the work box. A dust removal assembly for removing dust from the periphery of the PVC film is installed on the mounting frame. A vacuum cleaner is installed on one side of the work box. A transmission assembly for adjusting the working range of the dust removal assembly is installed on the mounting frame.

[0007] Preferably, the calendering assembly includes a fixed frame that is fixedly installed in the work box. An upper pressure roller and a lower pressure roller are installed on the fixed frame. Connecting plates are rotatably installed at both ends of the upper pressure roller, and screws are threaded inside the connecting plates.

[0008] Preferably, the dust removal assembly includes an exhaust duct rotatably mounted on the top of the mounting frame, a flexible hose fixedly connected to the top of the exhaust duct, the flexible hose communicating with a vacuum cleaner, and several sets of suction nozzles fixedly connected to the bottom of the exhaust duct.

[0009] Preferably, a feeding roller for conveying PVC film is rotatably mounted on the fixed frame, and a feeding trough is provided in the mounting frame, with the feeding roller located in the feeding trough.

[0010] Preferably, the transmission assembly includes a fixed plate fixedly mounted on a mounting bracket, a servo motor fixedly mounted on the fixed plate, a connecting rod fixedly connected to the output end of the servo motor, a pull rod rotatably mounted to the other end of the connecting rod, a swing rod rotatably mounted to the end of the pull rod away from the connecting rod, and the bottom of the swing rod fixedly connected to the exhaust duct.

[0011] Preferably, a support base is fixedly connected to the top of the mounting bracket, and the swing rod is rotatably mounted on the support base.

[0012] Preferably, the vacuum cleaner is equipped with a trolley at the bottom to facilitate its relocation.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention uses a screw to drive the upper pressure roller to lift and lower, thereby adjusting the distance between the two rollers to meet the calendering requirements of different film specifications. A servo motor drives the exhaust fan to swing back and forth, adjusting the range of the dust removal components and improving dust removal efficiency. The air suction nozzle is precisely aligned with the edge of the film and the conveying path, effectively removing the dust attracted by electrostatic electricity generated during the calendering process and avoiding quality defects caused by particulate contamination in subsequent processes. Attached Figure Description

[0015] Figure 1 A schematic diagram of the main structure of the calendering device for PVC film processing provided by this utility model;

[0016] Figure 2 A schematic diagram of the extrusion assembly structure provided by this utility model;

[0017] Figure 3 A schematic diagram of the mounting bracket structure provided by this utility model;

[0018] Figure 4 A schematic diagram of the transmission component structure provided by this utility model.

[0019] In the diagram: 1. Working box; 2. Pressing assembly; 21. Fixing frame; 22. Upper pressure roller; 23. Lower pressure roller; 24. Connecting plate; 25. Screw; 3. Mounting frame; 4. Dust removal assembly; 41. Exhaust duct; 42. Hose; 43. Suction nozzle; 5. Vacuum cleaner; 6. Transmission assembly; 61. Fixing plate; 62. Servo motor; 63. Connecting rod; 64. Pull rod; 65. Swing rod; 7. Feeding roller; 8. Feeding trough; 9. Support base; 10. Trolley. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-4 As shown, a PVC film processing calendering device includes a work box 1 and a calendering component 2 for calendering PVC film, which is installed in the work box 1. The calendering component 2 calenders the PVC film entering the work box 1. A mounting frame 3 is fixedly connected to the work box 1. A dust removal component 4 is installed on the mounting frame 3 to remove dust from the periphery of the PVC film. The dust removal component 4 removes dust from the film output from the work box 1 to prevent dust from affecting the quality of the film. A vacuum cleaner 5 is installed on one side of the work box 1. The vacuum cleaner 5 and the dust removal component 4 work synchronously. A transmission component 6 is installed on the mounting frame 3 to adjust the working range of the dust removal component 4. The transmission component 6 increases the range of the dust removal component 4 and improves the dust removal efficiency.

[0022] The calendering assembly 2 includes a fixed frame 21 fixedly installed in the work box 1. An upper pressure roller 22 and a lower pressure roller 23 are installed on the fixed frame 21. Both ends of the upper pressure roller 22 are rotatably mounted with connecting plates 24. A screw 25 is threaded inside the connecting plate 24. The lower pressure roller 23 is rotatably mounted on the fixed frame 21 through bearings, and the upper pressure roller 22 is rotatably mounted in the connecting plate 24 through bearings. The height of the connecting plate 24 and the upper pressure roller 22 can be adjusted by rotating the screw 25, which is suitable for calendering PVC films of different thicknesses.

[0023] The dust removal assembly 4 includes an exhaust duct 41 rotatably mounted on the top of the mounting frame 3. A hose 42 is fixedly connected to the top of the exhaust duct 41, and the hose 42 is connected to the vacuum cleaner 5. Several sets of suction nozzles 43 are fixedly connected to the bottom of the exhaust duct 41. A feeding roller 7 for conveying PVC film is rotatably mounted on the fixed frame 21. A feeding trough 8 is opened in the mounting frame 3, and the feeding roller 7 is located in the feeding trough 8. The feeding roller 7 conveys the PVC film after calendering to the feeding trough 8. The vacuum cleaner 5 is turned on, and the dust around the PVC film in the feeding trough 8 is removed through the hose 42 and the suction nozzles 43 to prevent dust from adhering to the PVC film and affecting the quality after winding.

[0024] The transmission assembly 6 includes a fixed plate 61 fixedly mounted on the mounting bracket 3. A servo motor 62 is fixedly mounted on the fixed plate 61. A connecting rod 63 is fixedly connected to the output end of the servo motor 62. A pull rod 64 is rotatably mounted on the other end of the connecting rod 63. A swing rod 65 is rotatably mounted on the end of the pull rod 64 away from the connecting rod 63. The bottom of the swing rod 65 is fixedly connected to the exhaust duct 41. A support base 9 is fixedly connected to the top of the mounting bracket 3. The swing rod 65 is rotatably mounted on the support base 9. The servo motor 62 is fixed to the fixed plate 61 of the mounting bracket 3. After power is applied... The rotational power is output to the connecting rod 63, driving it to perform circular motion. The connecting rod 63 converts the rotational motion into the reciprocating linear motion of the connecting rod 64 by rotating the pull rod 64. The other end of the pull rod 64 rotates the swing rod 65. The middle part of the swing rod 65 is mounted on the support base 9 through a rotating joint, forming a lever fulcrum. The reciprocating motion of the pull rod 64 drives the swing rod 65 to swing around the fulcrum of the support base 9. The bottom of the swing rod 65 is fixedly connected to the exhaust duct 41. Its swing angle directly controls the pitch or rotation of the exhaust duct 41, realizing the dynamic adjustment of the exhaust direction.

[0025] The vacuum cleaner 5 is equipped with a trolley 10 at the bottom to facilitate its movement.

[0026] Working principle: The PVC film to be processed enters the working box 1. The upper pressure roller 22 and lower pressure roller 23 on the fixed frame 21 cooperate. By rotating the screw 25 to adjust the height of the connecting plate 24, the upper pressure roller 22 is driven to rise and fall. The distance between the two rollers is precisely controlled to adapt to the calendering requirements of films of different thicknesses, ensuring the uniformity of film thickness. The calendered film is conveyed to the feeding trough 8 of the mounting frame 3 via the feeding roller 7. The vacuum cleaner 5 and the dust removal component 4 start synchronously. The exhaust pipe 41 of the dust removal component 4 is connected to the vacuum cleaner 5 through the top hose 42. The bottom suction nozzle 43 is aligned with the periphery of the film in the feeding trough 8. The servo motor 62 of the transmission component 6 drives the connecting rod 63 to make a circular motion, which is converted into the reciprocating swing of the swing rod 65 through the pull rod 64 (with the support base 9 as the fulcrum). This drives the exhaust tube 41 to swing synchronously, expanding the coverage area of ​​the suction nozzle 43 and achieving efficient removal of dust from the film surface. A trolley 10 is installed at the bottom of the vacuum cleaner 5, which facilitates flexible adjustment of the position of the vacuum cleaner 5 according to the production layout, ensuring the coordinated operation efficiency of the dust removal system and the calendering device.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A calendering apparatus for processing PVC film, comprising a work box (1), characterized in that, Also includes: The calendering assembly (2) for calendering PVC film is installed in the work box (1). The work box (1) is fixedly connected to the mounting frame (3). The mounting frame (3) is equipped with a dust removal assembly (4) for removing dust around the PVC film. A vacuum cleaner (5) is installed on one side of the work box (1). The mounting frame (3) is equipped with a transmission assembly (6) for adjusting the working range of the dust removal assembly (4).

2. The calendering apparatus for processing PVC film according to claim 1, characterized in that: The calendering assembly (2) includes a fixed frame (21) fixedly installed in the work box (1). An upper pressure roller (22) and a lower pressure roller (23) are installed on the fixed frame (21). A connecting plate (24) is rotatably installed at both ends of the upper pressure roller (22). A screw (25) is threaded inside the connecting plate (24).

3. The calendering apparatus for processing PVC film according to claim 1, characterized in that: The dust removal assembly (4) includes an exhaust duct (41) rotatably mounted on the top of the mounting bracket (3). A hose (42) is fixedly connected to the top of the exhaust duct (41), and the hose (42) is connected to a vacuum cleaner (5). Several sets of suction nozzles (43) are fixedly connected to the bottom of the exhaust duct (41).

4. The calendering apparatus for processing PVC film according to claim 2, characterized in that: The fixed frame (21) is rotatably mounted with a conveying roller (7) for conveying PVC film. The mounting frame (3) has a conveying groove (8) and the conveying roller (7) is located in the conveying groove (8).

5. The calendering apparatus for processing PVC film according to claim 3, characterized in that: The transmission assembly (6) includes a fixed plate (61) fixedly mounted on the mounting bracket (3). A servo motor (62) is fixedly mounted on the fixed plate (61). A connecting rod (63) is fixedly connected to the output end of the servo motor (62). A pull rod (64) is rotatably mounted on the other end of the connecting rod (63). A swing rod (65) is rotatably mounted on the end of the pull rod (64) away from the connecting rod (63). The bottom of the swing rod (65) is fixedly connected to the exhaust duct (41).

6. The calendering apparatus for PVC film processing according to claim 5, characterized in that: The top of the mounting bracket (3) is fixedly connected to a support base (9), and the swing rod (65) is rotatably mounted on the support base (9).

7. The calendering apparatus for processing PVC film according to claim 1, characterized in that: The vacuum cleaner (5) is equipped with a trolley (10) at the bottom to facilitate its movement.

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