Preheating device for polytetrafluoroethylene film

Abstract

The preheating device comprises a box body and a hot air structure, the hot air structure is arranged at the top of the box body, driving wheels are movably connected to the two sides of the interior of the box body respectively, a containing cavity is formed in the center of the bottom side of the interior of the box body, an adjusting structure is arranged in the containing cavity, and two sets of deviation rectifying structures are symmetrically arranged at the top of the adjusting structure. The hot air structure comprises a hot air shell, a heating net, a filter screen and a fan, the heating net is arranged on one side in the hot air shell, the filter screen is arranged on the other side in the hot air shell, and the fan is arranged between the heating net and the filter screen. The hot air structure is used for replacing a heating pipe to a polytetrafluoroethylene film, direct contact between the heating pipe and the polytetrafluoroethylene film is avoided, damage or pollution risks to the surface of the film are reduced, the product quality is improved, deviation of the polytetrafluoroethylene film in the conveying process is avoided through the deviation rectifying structure, and the production efficiency is improved. Through the adjusting structure, the preheating conveying device can be suitable for preheating conveying of polytetrafluoroethylene films of different sizes, and the applicability of the preheating conveying device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of preheating polytetrafluoroethylene films, in particular to a preheating device for polytetrafluoroethylene films. Background Art

[0002] Polytetrafluoroethylene is generally called "non-stick coating" or "easy-to-clean material". It has an extremely low friction coefficient, so in addition to being a lubricant, it also becomes an ideal coating for the inner layer of easy-to-clean water pipes. During the use of the polytetrafluoroethylene film, the polytetrafluoroethylene film needs to be heated to facilitate the adhesion of the polytetrafluoroethylene film.

[0003] A preheating device for polytetrafluoroethylene film with publication number CN217752324U includes a supporting device, a preheating device is provided on one side of the supporting device, the supporting device includes a bottom plate, a lifting plate is provided on the top of the bottom plate, one end of the lifting plate is fixedly connected to a supporting frame, the preheating device includes a motor, the motor and the supporting frame are fixedly connected, the bottom end of the motor is fixedly connected to a rotating rod that passes through the supporting frame, the bottom end of the rotating rod is sleeved with a sliding sleeve, the rotating rod and the sliding sleeve are slidably connected, the sliding sleeve and the lifting plate are slidably connected, and one end of the sliding sleeve is fixedly connected to a sliding frame that passes through the lifting plate. The utility model design drives the sliding sleeve to perform reciprocating linear motion on the surface of the lifting plate through the rotation of the rotating rod by the motor set up, so that the sliding frame and the heating tube perform reciprocating heating on the polytetrafluoroethylene film, so as to achieve the effect of uniform heating of the polytetrafluoroethylene film, which is convenient for laminating and use. In addition, the existing preheating device also has the following disadvantages during use:

[0004] (1) The existing preheating device preheats the polytetrafluoroethylene film through a heating tube. The direct contact of the heating tube with the film material may cause scratches or contamination on the surface, affecting product quality;

[0005] (2) The existing preheating device is not provided with a deviation correction structure. Since the sizes of the polytetrafluoroethylene films to be preheated are different, the polytetrafluoroethylene films are easily deviated during the preheating and conveying process, thereby affecting the processing of the next step. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a preheating device for a polytetrafluoroethylene film.

[0007] In order to solve the above problems, the technical solution of the utility model is as follows: comprising a box body and a hot air structure;

[0008] A box body, a hot air structure is provided on the top of the box body, driving wheels are movably connected to the two sides of the box body, a cavity is provided at the center of the bottom side of the box body, an adjustment structure is provided in the cavity, and two groups of deviation correction structures are symmetrically provided on the top of the adjustment structure;

[0009] The hot air structure comprises a hot air shell, a heating net, a filter net and a fan. A heating net is arranged on one side of the hot air shell, and a filter net is arranged on the other side. A fan is arranged between the heating net and the filter net.

[0010] Furthermore, an observation window is provided inside the box door, and a rotary lock is provided on one side of the front portion of the box door.

[0011] Furthermore, the tops of the two movable seats 1 are respectively fixedly connected to the deviation correction structure, the four sliders 1 are respectively adapted to be connected to the slide groove 1, the thread directions of the two threaded holes are opposite, and the two threaded holes are respectively threadedly connected to the threaded rod.

[0012] Furthermore, one end of the fixed shaft 1 away from the support column is sleeved with a receiving wheel, one end of the fixed shaft 2 away from the movable seat 2 is sleeved with a clamping wheel, one end of the telescopic rod is fixedly connected to the inner wall of the inner cavity, and the other end is fixedly connected to the movable seat 2.

[0013] Furthermore, a feed port is provided on one side of the box body, a discharge port is provided on the other side, a front door is hinged on the front side of the box body, a control panel is provided on one side of the front of the box body, and slide grooves are provided on both sides of the cavity.

[0014] Furthermore, the adjustment structure includes a threaded rod, a movable seat, a slider and a threaded hole. A threaded rod is provided inside the cavity. The outer wall of the threaded rod is sleeved with two movable seats. The two sides of the two movable seats are respectively fixedly connected to the slider, and the two movable seats are respectively provided with threaded holes inside.

[0015] Furthermore, each group of the correction structure includes a support column, a fixed shaft one, an inner cavity, a movable seat two, a telescopic rod, a spring and a fixed shaft two, the center of one side of the support column is fixedly connected to the fixed shaft one, the top of the fixed shaft one is provided with an inner cavity, the interior of the inner cavity is slidably connected to the movable seat two, the top of the movable seat two is provided with a telescopic rod, the side of the movable seat two away from the support column is fixedly connected to the fixed shaft two, and the outer wall of the telescopic rod is wrapped with a spring.

[0016] The advantages of the utility model compared with the existing technology are:

[0017] 1. The utility model provides a preheating device for polytetrafluoroethylene membrane, which uses a hot air structure to replace the heating tube for the polytetrafluoroethylene membrane, thereby avoiding direct contact between the heating tube and the polytetrafluoroethylene membrane, thereby reducing the risk of damage or contamination to the membrane surface, which is particularly important for applications that need to be kept clean and hygienic, thereby increasing the quality of the product;

[0018] 2. The utility model provides a preheating device for polytetrafluoroethylene film. Through the cooperation of the adjustment structure and the correction structure, the motor drives the threaded rod to rotate, so that the two movable seats make relative movement, and the two movable seats drive the support columns to make relative movement to the appropriate position, and then the movable seat 2 is pushed downward by the telescopic rod and the spring, and the downward moving movable seat 2 drives the clamping wheel to clamp the polytetrafluoroethylene film, and the polytetrafluoroethylene film is limited in the left and right directions by two support columns close to each other, so as to avoid the polytetrafluoroethylene film from being offset during the transmission process. The adjustment structure makes the utility model applicable to the transmission of preheated polytetrafluoroethylene films of different sizes, thereby increasing the applicability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereogram of the utility model.

[0020] Figure 2 yes Figure 1 A partial cross-sectional view of .

[0021] Figure 3 yes Figure 1 A magnified view of the internal structure at center A.

[0022] Figure 4 yes Figure 1 Enlarged view of point B in the middle.

[0023] Figure 5 yes Figure 1 Enlarged view of point C in the middle.

[0024] As shown in the figure: 1. Box body; 2. Hot air structure; 201. Hot air shell; 202. Heating net; 203. Filter net; 204. Fan; 3. Box door; 4. Observation window; 5. Control panel; 6. Feed inlet; 7. Discharge outlet; 8. Driving wheel; 9. Adjustment structure; 901. Threaded rod; 902. Moving seat 1; 903. Slider 1; 904. Threaded hole; 10. Correction structure; 1001. Support column; 1002. Fixed shaft 1; 1003. Inner cavity; 1004. Moving seat 2; 1005. Telescopic rod; 1006. Spring; 1007. Fixed shaft 2; 1008. Clamping wheel; 1009. Receiving wheel; 11. Slide slot 1; 12. Rotating lock. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] like Figure 1 and Figure 2 As shown, it includes a box body 1 and a hot air structure 2, the top of the box body 1 is provided with a hot air structure 2, the top of the box body 1 is provided with an air inlet, the inner sides of the box body 1 are respectively movably connected to driving wheels 8, one end of the driving wheel 8 is respectively movably connected to the inner wall of the box body 1, and the other end passes through the box body 1 and is fixedly connected to the output end of the motor 2, the motor 2 is electrically connected to the control panel 5, a cavity is provided at the center of the inner bottom side of the box body 1, an adjustment structure 9 is provided in the cavity, two groups of correcting structures 10 are symmetrically provided on the top of the adjustment structure 9, a feed port 6 is provided on one side of the box body 1, and a discharge port 7 is provided on the other side, a box door 3 is hinged on the front side of the box body 1, a control panel 5 is provided on one side of the front of the box body 1, slide grooves 11 are respectively provided on both sides of the cavity, an observation window 4 is provided inside the box door 3, and a rotary lock 12 is provided on one side of the front of the box door 3.

[0027] like Figure 3 As shown, the hot air structure 2 includes a hot air housing 201, a heating net 202, a filter 203 and a fan 204. A heating net 202 is provided on one side of the interior of the hot air housing 201, and the heating net 202 is electrically connected to the control panel 5. A filter 203 is provided on the other side. A fan 204 is provided between the heating net 202 and the filter 203. The air inlet is communicated with the hot air housing 201, and the fan 204 is electrically connected to the control panel 5. By replacing the heating tube with the polytetrafluoroethylene membrane through the hot air structure 2, direct contact between the heating tube and the polytetrafluoroethylene membrane can be avoided, thereby reducing the risk of damage or contamination to the membrane surface, which is particularly important for applications that need to be kept clean and hygienic, thereby increasing the quality of the product.

[0028] like Figure 4 As shown, the adjustment structure 9 includes a threaded rod 901, a movable seat 902, a slider 903 and a threaded hole 904. A threaded rod 901 is provided inside the cavity. One end of the threaded rod 901 is movably connected to the inner wall of the cavity, and the other end passes through the box body 1 and is fixedly connected to the output end of the motor 1. The motor 1 is electrically connected to the control panel 5. The outer wall of the threaded rod 901 is sleeved with two movable seats 902. The two sides of the two movable seats 902 are respectively fixedly connected to the slider 903. The insides of the two movable seats 902 are respectively provided with threaded holes 904. The tops of the two movable seats 902 are respectively fixedly connected to the correction structure 10. The four sliders 903 are respectively adapted to be connected to the slide groove 11. The thread directions of the two threaded holes 904 are opposite. The two threaded holes 904 are respectively threadedly connected to the threaded rod 901.

[0029] like Figure 5As shown, each set of deviation correction structure 10 includes a support column 1001, a fixed shaft 1002, an inner cavity 1003, a movable seat 2 1004, a telescopic rod 1005, a spring 1006 and a fixed shaft 2 1007. The center of one side of the support column 1001 is fixedly connected to the fixed shaft 1002. The top of the fixed shaft 1002 is provided with an inner cavity 1003. Both sides of the inner cavity 1003 are respectively provided with two slide grooves. The inner cavity 1003 is slidably connected to the movable seat 2 1004. , the two sides of the movable seat 1004 are fixedly connected to the slider 2 respectively, the two sliders 2 are respectively adapted to be connected with the slide groove 2, a telescopic rod 1005 is provided on the top of the movable seat 1004, the side of the movable seat 1004 away from the support column 1001 is fixedly connected to the fixed shaft 2 1007, the outer wall of the telescopic rod 1005 is wound with a spring 1006, the end of the fixed shaft 1002 away from the support column 1001 is sleeved with a receiving wheel 1009, and the fixed shaft 2 1007 is away from the movable seat 2 One end of 1004 is sleeved with a clamping wheel 1008, one end of the telescopic rod 1005 is fixedly connected to the inner wall of the inner cavity 1003, and the other end is fixedly connected to the movable seat 2 1004. Through the cooperation of the adjustment structure 9 and the correction structure 10, the motor 1 drives the threaded rod 901 to rotate, so that the two movable seats 1 902 make relative movement, and the two movable seats 1 902 drive the support column 1001 to make relative movement to a suitable position, and then the movable seat 2 1004 is pushed downward by the telescopic rod 1005 and the spring 1006, and the downward moving movable seat 2 1004 drives the clamping wheel 1008 to press the polytetrafluoroethylene film, and the left and right directions of the polytetrafluoroethylene film are limited by two mutually approaching support columns 1001, so as to avoid the polytetrafluoroethylene film from being offset during the transmission process, and the adjustment structure 9 makes the utility model applicable to the preheated transmission of polytetrafluoroethylene films of different sizes, thereby increasing the applicability of the utility model.

[0030] In specific use, refer to Figures 1 to 5As shown, first, the box door 3 is opened by rotating the lock 12, and then the starting end of the polytetrafluoroethylene film that needs to be preheated is passed through the feed port 6 and the discharge port 7 in turn and is wrapped around the tightening device of the next process (which belongs to the prior art and is not described here), and then the motor 1 is started through the control panel 5, and the motor 1 drives the threaded rod 901 to rotate, and the rotating threaded rod 901 drives the two moving seats 1 902 to make relative movement, and the two moving seats 1 902 drive the support column 1001 to make relative movement to a suitable position, and then the telescopic rod 1005 and the spring 1006 push the moving seat 2 1004 to move downward, and the moving seat 2 1004 that moves downward drives the clamping wheel 1008 to compress the polytetrafluoroethylene The polytetrafluoroethylene film is limited in left and right directions by two support columns 1001 close to each other, so as to prevent the polytetrafluoroethylene film from being offset during the transmission process, and then the box door 3 is closed by rotating the lock 12, and the fan 204 and the heating net 202 are turned on through the control panel 5. Hot air is input into the interior of the box body 1 through the cooperation of the fan 204 and the heating net 202, and dust and other impurities in the air are filtered through the filter net 203. The preheating condition of the polytetrafluoroethylene film inside the box body 1 is observed through the observation window 4. Direct contact between the heating tube and the polytetrafluoroethylene film can be avoided, thereby reducing the risk of damage or contamination to the membrane surface, which is particularly important for applications that need to be kept clean and hygienic, thereby increasing the quality of the product.

[0031] It should be noted that, in this article, relational terms such as first and second, 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.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A preheating device for polytetrafluoroethylene membrane, characterized in that: It comprises a box body (1) and a hot air structure (2); A box body (1), a hot air structure (2) is provided on the top of the box body (1), driving wheels (8) are movably connected to the two sides of the box body (1), a cavity is provided at the center of the bottom side of the box body (1), an adjustment structure (9) is provided in the cavity, and two groups of deviation correction structures (10) are symmetrically provided on the top of the adjustment structure (9); A hot air structure (2), the hot air structure (2) comprising a hot air outer shell (201), a heating net (202), a filter net (203) and a fan (204); a heating net (202) is provided on one side of the interior of the hot air outer shell (201), and a filter net (203) is provided on the other side; and a fan (204) is provided between the heating net (202) and the filter net (203).

2. A preheating device for polytetrafluoroethylene membrane according to claim 1, characterized in that: One side of the box body (1) is provided with a feed port (6), and the other side is provided with a discharge port (7), the front side of the box body (1) is hinged with a box door (3), the front side of the box body (1) is provided with a control panel (5), and both sides of the cavity are provided with a slide groove (11).

3. A preheating device for polytetrafluoroethylene membrane according to claim 2, characterized in that: An observation window (4) is provided inside the box door (3), and a rotary lock (12) is provided on one side of the front portion of the box door (3).

4. A preheating device for polytetrafluoroethylene membrane according to claim 1, characterized in that: The adjustment structure (9) comprises a threaded rod (901), a movable seat (902), a slider (903) and a threaded hole (904); a threaded rod (901) is arranged inside the cavity; the outer wall of the threaded rod (901) is sleeved with two movable seats (902); the two sides of the two movable seats (902) are respectively fixedly connected to the slider (903); and the insides of the two movable seats (902) are respectively provided with threaded holes (904).

5. A preheating device for polytetrafluoroethylene membrane according to claim 4, characterized in that: The tops of the two movable seats (902) are respectively fixedly connected to the deviation correction structure (10), the four sliders (903) are respectively adapted to be connected to the slide groove (11), the thread directions of the two threaded holes (904) are opposite, and the two threaded holes (904) are respectively threadedly connected to the threaded rod (901).

6. A preheating device for polytetrafluoroethylene membrane according to claim 1, characterized in that: Each group of the deviation correction structure (10) comprises a support column (1001), a fixed shaft one (1002), an inner cavity (1003), a movable seat two (1004), a telescopic rod (1005), a spring (1006) and a fixed shaft two (1007); the center of one side of the support column (1001) is fixedly connected to the fixed shaft one (1002); the top of the fixed shaft one (1002) is provided with an inner cavity (1003); the interior of the inner cavity (1003) is slidably connected to the movable seat two (1004); the top of the movable seat two (1004) is provided with a telescopic rod (1005); the side of the movable seat two (1004) away from the support column (1001) is fixedly connected to the fixed shaft two (1007); and the outer wall of the telescopic rod (1005) is wound with the spring (1006).

7. A preheating device for polytetrafluoroethylene membrane according to claim 6, characterized in that: One end of the fixed shaft one (1002) away from the support column (1001) is sleeved with a receiving wheel (1009), one end of the fixed shaft two (1007) away from the movable seat two (1004) is sleeved with a clamping wheel (1008), one end of the telescopic rod (1005) is fixedly connected to the inner wall of the inner cavity (1003), and the other end is fixedly connected to the movable seat two (1004).

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