Polytetrafluoroethylene calendering device

Abstract

The utility model discloses a polytetrafluoroethylene calendering device which comprises a calendering box, a discharging port is formed in the outer surface of the front end of the calendering box, a polytetrafluoroethylene belt is arranged in the discharging port, a first fixing frame is arranged at the front end of the calendering box, and a winding assembly is arranged at the upper end of the outer surface of one side of the first fixing frame. And a winding barrel is arranged in the middle of the outer wall of the winding assembly, cutting mechanisms are arranged on the two sides of the outer surface of the upper end of the first fixing frame correspondingly, and each cutting mechanism comprises a second fixing frame, a first air cylinder, a connecting plate, a driving assembly, a cutting knife, a protective cover, a fixing plate and a second air cylinder. According to the polytetrafluoroethylene calendering device, a polytetrafluoroethylene belt can be conveniently cut and tailored according to the width required by the polytetrafluoroethylene belt during rolling, the situation that the machining efficiency is affected due to re-machining after carrying is reduced, the position of the cutting knife can be conveniently adjusted for use according to needs, and better use prospects are brought.

Description

Technical Field

[0001] The utility model relates to the field of polytetrafluoroethylene production, in particular to a polytetrafluoroethylene calendering device. Background Art

[0002] Polytetrafluoroethylene, commonly known as the "king of plastics", is a polymer compound formed by the polymerization of tetrafluoroethylene. It has excellent chemical stability, corrosion resistance, sealing, high lubricity and non-stickiness, electrical insulation and good anti-aging resistance. It is used as an engineering plastic and can be made into polytetrafluoroethylene tubes, rods, strips, plates, films, etc. When the existing polytetrafluoroethylene is rolled up after calendering, it is necessary to move the rolled polytetrafluoroethylene tape to the lower end of the cutting knife for processing, which is inconvenient to cut the polytetrafluoroethylene tape according to the required width, affecting the processing speed and bringing certain adverse effects to people's use process. For this reason, we propose a polytetrafluoroethylene calendering device. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the shortcomings of the prior art, the utility model provides a polytetrafluoroethylene calendering device, which has the advantages of being able to conveniently cut and trim the polytetrafluoroethylene tape according to the required width when winding, reducing the need for reprocessing after transportation, which affects the processing efficiency, and facilitating the adjustment of the cutting knife position for use as needed, etc., which can effectively solve the problems in the background technology.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a polytetrafluoroethylene calendering device, including a calendering box, a discharge port is opened on the front end outer surface of the calendering box, a polytetrafluoroethylene belt is arranged inside the discharge port, a first fixed frame is arranged at the front end of the calendering box, a winding assembly is arranged at the upper end of the outer surface of one side of the first fixed frame, a winding drum is arranged in the middle of the outer wall of the winding assembly, cutting mechanisms are arranged on both sides of the outer surface of the upper end of the first fixed frame, and the cutting mechanism includes a second fixed frame, a first cylinder, a connecting plate, a driving assembly, a cutting knife, a protective cover, a fixed plate and a second cylinder, the second fixed frame is located on one side of the outer surface of the upper end of the first fixed frame, and the first cylinder is located in the middle of the second fixed frame.

[0007] Preferably, the connecting plate is located on an outer surface of one side of the first cylinder, the fixing plate is fixedly mounted on an upper end of the outer surface of one side of the connecting plate, and the second cylinder is located in the middle of the fixing plate.

[0008] Preferably, the driving assembly is located at the lower end of the second cylinder, the protective cover is located on the outer surface of one side of the driving assembly, the cutting knife is located in the middle of the protective cover, a rotating shaft is provided in the middle of the cutting knife, and a bearing is provided between the rotating shaft and the protective cover.

[0009] Preferably, the second fixing frame is fixedly connected to the first fixing frame.

[0010] Preferably, the cutting knife is rotatably connected to the protective cover via a bearing.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a polytetrafluoroethylene calendering device, which has the following beneficial effects:

[0013] 1. The polytetrafluoroethylene calendering device can conveniently cut and trim the polytetrafluoroethylene tape according to the required width when winding, thereby reducing the need for reprocessing after transportation and affecting the processing efficiency.

[0014] 2. The polytetrafluoroethylene calendering device can be used by adjusting the position of the cutting knife according to the needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a polytetrafluoroethylene calendering device.

[0016] Figure 2 The utility model is a structural diagram of a cutting mechanism in a polytetrafluoroethylene calendering device.

[0017] Figure 3 The utility model is a partial structural diagram of a polytetrafluoroethylene calendering device.

[0018] Figure 4 This is a front view sectional view of a cutting mechanism in a polytetrafluoroethylene calendering device of the utility model.

[0019] In the figure: 1. calender box; 2. discharge port; 3. polytetrafluoroethylene belt; 4. first fixed frame; 5. take-up drum; 6. take-up assembly; 7. cutting mechanism; 8. second fixed frame; 9. first cylinder; 10. connecting plate; 11. driving assembly; 12. cutting knife; 13. protective cover; 14. fixed plate; 15. second cylinder. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] This embodiment is a polytetrafluoroethylene calendering device.

[0022] like Figure 1-4 As shown, it includes a calendering box 1, a discharge port 2 is provided on the front end outer surface of the calendering box 1, a polytetrafluoroethylene tape 3 is arranged inside the discharge port 2, a first fixed frame 4 is arranged at the front end of the calendering box 1, a winding assembly 6 is arranged at the upper end of the outer surface of one side of the first fixed frame 4, a winding drum 5 is arranged in the middle of the outer wall of the winding assembly 6, cutting mechanisms 7 are arranged on both sides of the upper end outer surface of the first fixed frame 4, the cutting mechanism 7 includes a second fixed frame 8, a first cylinder 9, a connecting plate 10, a driving assembly 11, a cutting knife 12, a protective cover 13, a fixed plate 14 and a second cylinder 15, the second fixed frame 8 is located on one side of the upper end outer surface of the first fixed frame 4, and the first cylinder 9 is located in the middle of the second fixed frame 8.

[0023] The connecting plate 10 is located on the outer surface of one side of the first cylinder 9, the fixing plate 14 is fixedly installed on the upper end of the outer surface of one side of the connecting plate 10, and the second cylinder 15 is located in the middle of the fixing plate 14; the driving assembly 11 is located at the lower end of the second cylinder 15, the protective cover 13 is located on the outer surface of one side of the driving assembly 11, the cutting knife 12 is located in the middle of the protective cover 13, a rotating shaft is provided in the middle of the cutting knife 12, and a bearing is provided between the rotating shaft and the protective cover 13; the second fixing frame 8 is fixedly connected to the first fixing frame 4; the cutting knife 12 is rotatably connected to the protective cover 13 through a bearing.

[0024] It should be noted that the utility model is a polytetrafluoroethylene calendering device, which reels the polytetrafluoroethylene tape 3 by installing the reel 5 and the reel assembly 6. When the polytetrafluoroethylene tape 3 needs to be cut, the first cylinder 9 is started to push the connecting plate 10 to one side, driving the cutting knife 12 to move to the upper end of the polytetrafluoroethylene tape 3 required for cutting, and the second cylinder 15 is started to drive the driving assembly 11 to descend while driving the cutting knife 12 to fit the polytetrafluoroethylene tape 3. The driving assembly 11 is started to drive the rotating shaft to rotate while driving the cutting knife 12 to process, which can facilitate cutting and trimming of the polytetrafluoroethylene tape 3 according to the required width when reeling, reduce reprocessing after transportation, affect processing efficiency, and facilitate adjusting the position of the cutting knife 12 for use according to needs.

[0025] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A polytetrafluoroethylene calendering device, comprising a calendering box (1), characterized in that: The front end outer surface of the calender box (1) is provided with a discharge port (2), and a polytetrafluoroethylene tape (3) is arranged inside the discharge port (2). The front end of the calender box (1) is provided with a first fixed frame (4), and the upper end of the outer surface of one side of the first fixed frame (4) is provided with a winding assembly (6), and the middle part of the outer wall of the winding assembly (6) is provided with a winding drum (5). Both sides of the upper end outer surface of the first fixed frame (4) are provided with a cutting mechanism (7), and the cutting mechanism (7) includes a second fixed frame (8), a first cylinder (9), a connecting plate (10), a driving assembly (11), a cutting knife (12), a protective cover (13), a fixed plate (14) and a second cylinder (15). The second fixed frame (8) is located on one side of the upper end outer surface of the first fixed frame (4), and the first cylinder (9) is located in the middle of the second fixed frame (8).

2. A polytetrafluoroethylene calendering device according to claim 1, characterized in that: The connecting plate (10) is located on one side outer surface of the first cylinder (9), the fixing plate (14) is fixedly mounted on the upper end of one side outer surface of the connecting plate (10), and the second cylinder (15) is located in the middle of the fixing plate (14).

3. A polytetrafluoroethylene calendering device according to claim 2, characterized in that: The driving assembly (11) is located at the lower end of the second cylinder (15), the protective cover (13) is located on one side outer surface of the driving assembly (11), the cutting knife (12) is located in the middle of the protective cover (13), a rotating shaft is provided in the middle of the cutting knife (12), and a bearing is provided between the rotating shaft and the protective cover (13).

4. A polytetrafluoroethylene calendering device according to claim 3, characterized in that: The second fixing frame (8) is fixedly connected to the first fixing frame (4).

5. A polytetrafluoroethylene calendering device according to claim 4, characterized in that: The cutting knife (12) is rotatably connected to the protective cover (13) via a bearing.

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