CN215176716U

CN215176716U - PTFE film preheats oven

Info

Publication number: CN215176716U
Application number: CN202121521507.3U
Authority: CN
Inventors: 牛文静; 李素莲; 陈玲
Original assignee: Jiangsu Xufu New Material Co ltd
Current assignee: Jiangsu Xufu New Material Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-14
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a PTFE film preheating oven, which comprises an oven and a winding mechanism; the drying and recycling mechanism and the flattening mechanism are also included; the drying and recycling mechanism comprises a recycling cover and a case, the bottom surface of the recycling cover is embedded in the top surface of the oven, the case is arranged at the top of the oven, an air heater is fixed in the case, the inlet end of the air heater is connected with the first end of a three-way pipe, the second end of the three-way pipe is connected with an air inlet formed in the top surface of the case, and the third end of the three-way pipe is communicated with the top end of the recycling cover through a heat recovery pipe; an upper drying plate and a lower drying plate are arranged in the inner cavity of the drying oven, and the outlet end of the air heater extends into the drying oven and is communicated with the top of the upper drying plate. The PTFE film preheating oven can recycle the generated heat in use, improves the utilization rate of the heat, and is energy-saving and environment-friendly; the film flattening device can also provide a flattening function, and preheat the film after flattening, so that the film is heated uniformly, the preheating efficiency is improved, and the product quality is improved.

Description

PTFE film preheats oven

Technical Field

The utility model belongs to the technical field of the film oven, in particular to PTFE film preheats oven.

Background

The PTFE (polytetrafluoroethylene) film is a microporous film produced by adopting polytetrafluoroethylene dispersion resin and carrying out special processes such as premixing, extrusion, calendering, biaxial stretching and the like, and is divided into a clothing film, a cattail micro waterproof film, a filtering film and a purifying film.

When the PTFE film is produced, the film needs to be preheated, a preheating oven needs to be used at the moment, and the existing preheating oven has the following problems in use:

(1) when the oven works, a large amount of steam is generated, the steam carries a large amount of heat, and if the heat is directly discharged, a large amount of heat cannot be recycled and wasted, so that the problems of poor using effect and low environmental protection property of the oven are caused;

(2) the present preheating oven can not flatten the film, and the wrinkled film is heated unevenly in the oven, so that the film drying time is long, the subsequent processing of the film is influenced, and the problems of poor drying quality and resource waste of the device are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PTFE film preheats oven, can carry out recycle to the heat that produces by in use, improve thermal utilization ratio, energy-concerving and environment-protective.

Another object of the utility model is to provide a PTFE film preheats oven can provide the function of flattening simultaneously, preheats again after flattening the film, makes the film be heated evenly, improves and preheats efficiency, improves product quality.

In order to achieve the above purpose, the solution of the present invention is:

a PTFE film preheating oven comprises an oven and a winding mechanism, wherein the winding mechanism is arranged on one side of the oven; the drying and recycling mechanism is arranged at the top of the oven, and the flattening mechanism is arranged on the other side of the oven;

the drying and recycling mechanism comprises a recycling cover and a case, the bottom surface of the recycling cover is embedded in the top surface of the oven, the case is arranged at the top of the oven, an air heater is fixed in the case, the inlet end of the air heater is connected with the first end of a three-way pipe, the second end of the three-way pipe is connected with an air inlet formed in the top surface of the case, and the third end of the three-way pipe is communicated with the top end of the recycling cover through a heat recovery pipe;

an upper drying plate and a lower drying plate are arranged in the inner cavity of the drying oven, two sides of the upper drying plate are correspondingly connected with two sides of the lower drying plate through air ducts respectively, and the outlet end of the air heater extends into the drying oven and is communicated with the top of the upper drying plate.

The flattening mechanism comprises a bottom box, an extrusion cylinder and a roller, the bottom box is fixed on one side of the oven, a connecting plate is horizontally arranged in the bottom box, a plurality of air bags and rubber rods are arranged between the connecting plate and the bottom wall of the bottom box at intervals, and the upper end and the lower end of each air bag and each rubber rod are respectively connected with the bottom surface of the connecting plate and the bottom wall of the bottom box; two ends of the extrusion cylinder are respectively connected with the top ends of the two transmission rods, and the bottom ends of the two transmission rods respectively penetrate into the bottom box and are connected with the top surface of the connecting plate; the roller is positioned above the extrusion container, and two sides of the roller are respectively fixed on the top surface of the bottom box through positioning plates.

A plurality of elastic ropes are connected between the connecting plate and the top wall of the bottom box.

The gas collecting groove is formed in the upper drying plate and the lower drying plate, and the surface of the gas collecting groove is provided with a vent hole.

The bottom surface of the lower drying plate is fixed on the bottom surface of the inner cavity of the drying oven through a supporting block.

After the scheme is adopted, the utility model discloses compare prior art's beneficial effect is:

(1) the utility model discloses a stoving recovery mechanism, the air heater, the oven, retrieve the cover, the backheat pipe, the cooperation of three-way pipe, produce the heat through the air heater and get into the oven, thereby dry the film in the oven, the steam of drying is collected by retrieving the cover, get into the recycle in the air heater again through backheat pipe and three-way pipe, avoided the oven can produce a large amount of steam at the during operation, mix a large amount of heat in the steam, if directly discharge the heat, can cause a large amount of heat can't be recycled and the extravagant problem, the result of use of oven is improved, the environmental protection of improvement structure, reduce the waste of resource;

(2) the utility model discloses a mechanism flattens, the cylinder, the recipient, the gasbag, the cooperation of transfer line and rubber pole, elasticity through gasbag and rubber pole drives the transfer line and shifts up, the transfer line drives the recipient and shifts up, the recipient removes the cooperation cylinder and flattens the processing to the film that needs preheat the stoving, avoided the oven not to flatten the film, there is the goffered film uneven of being heated in the oven, it is longer to cause the time that the film was dried, and influence the subsequent processing of film, the oven is improved the oven to the drying quality of film, the qualification rate of drying has been guaranteed, guarantee the normal clear of follow-up processing of film.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the drying and recycling mechanism of the present invention;

FIG. 3 is a schematic view of the upper and lower drying plates of the present invention;

FIG. 4 is a schematic structural view of the middle pressing mechanism of the present invention;

fig. 5 is a schematic sectional structure diagram of the middle bottom case of the present invention.

Reference numerals:

1. drying the body;

2. an oven;

21. a support block;

22. a lower drying plate; 221. a gas collecting tank; 222. a vent hole;

23. an air duct; 24. an upper drying plate;

3. a winding mechanism;

4. a drying and recycling mechanism;

41. a chassis; 42. a hot air blower; 43. a three-way pipe;

44. an air inlet; 45. a heat recovery pipe; 46. a recovery cover;

5. a flattening mechanism;

51. a bottom box; 511. a rubber rod; 512. an air bag; 513. a connecting plate; 514. an elastic cord;

52. a transmission rod; 53. an extrusion cylinder; 54. positioning a plate; 55. and (3) a roller.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides a PTFE film preheating oven, which comprises a drying body 1, a drying recovery mechanism 4 and a winding mechanism 3, wherein the drying body 1 comprises an oven 2, the winding mechanism 3 is arranged on the right side of the oven 2, and an upper drying plate 24 and a lower drying plate 22 are arranged in the inner cavity of the oven 2; the top surface of the oven 2 is fixedly connected with a drying and recycling mechanism 4, the drying and recycling mechanism 4 comprises a recycling cover 46 which can be matched with the figure 2, the bottom surface of the recycling cover 46 is fixedly connected to the left side of the top surface of the oven 2, and the top surface of the recycling cover 46 is movably connected with a heat return pipe 45; the drying and recycling mechanism 4 further comprises a case 41, the case 41 is fixedly connected to the right side of the top surface of the oven 2, an air heater 42 is fixedly connected to the side surface of the inner cavity of the case 41, a three-way pipe 43 is fixedly connected to the inlet end of the air heater 42, an air inlet 44 is fixedly connected to the top surface of the three-way pipe 43, and the top end of the air inlet 44 extends to the outside of the case 41.

The during operation, extract the air from air inlet 44 through air heater 42 and heat, the hot-blast film that carries out drying process in getting into oven 2 of heating, the heat that the stoving produced enters into backheating pipe 45 after retrieving cover 46 and collects in, sets backheating pipe 45 to the U type form for steam cooling's cooling water gathering is in the bottom of backheating pipe 45, conveniently takes off backheating pipe 45 and handles the comdenstion water, and remaining heat is through recycle in three-way pipe 43 reintroduction air heater 42.

As a preferred embodiment of the present invention, as shown in fig. 1, fig. 4 and fig. 5, a flattening mechanism 5 is fixedly connected to the left side of the oven 2, the flattening mechanism 5 includes a bottom case 51, the side surface of the bottom case 51 is fixedly connected to the side surface of the oven 2, an air bag 512 and a rubber rod 511 are arranged inside the bottom case 51, a connecting plate 513 is fixedly connected to the top ends of the air bag 512 and the rubber rod 511, transmission rods 52 are fixedly connected to both sides of the top surface of the connecting plate 513, the top end of the transmission rod 52 extends to the upper side of the bottom case 51 and is fixedly connected to an extrusion cylinder 53, a bungee 514 is fixedly connected to the top surface of the connecting plate 513, and the top end of the bungee 514 is fixedly connected to the top surface of the inner cavity of the bottom case 51; positioning plates 54 are fixedly connected to both sides of the top surface of the bottom case 51, and a roller 55 is arranged between the two positioning plates 54.

In this embodiment, when the film is used, the film passes through the space between the roller 55 and the extrusion cylinder 53, the film drives the extrusion cylinder 53 to move downwards, the extrusion cylinder 53 drives the connecting plate 513 to move downwards by matching with the transmission rod 52, the connecting plate 513 moves downwards to extrude the air bag 512 and the rubber rod 511 to generate elasticity, and the reverse elasticity of the air bag 512 and the rubber rod 511 drives the extrusion cylinder 53 to move upwards and the roller 55 to flatten the film.

As a preferred embodiment of the present invention, as shown in fig. 2 and fig. 3, the left side of the three-way pipe 43 is movably connected to one end of the heat recovery pipe 45, the outlet end of the air heater 42 extends to the inner cavity of the oven 2 and is fixedly connected to the top surface of the upper drying plate 24, air ducts 23 are disposed on both sides of the upper drying plate 24, and the bottom ends of the air ducts 23 are fixedly connected to the side surfaces of the lower drying plate 22; air collecting channel 221 has all been seted up to the inside of going up stoving board 24, lower stoving board 22, and ventilation hole 222 has been seted up on the surface of air collecting channel 221, and ventilation hole 222 evenly distributed is on the surface of last stoving board 24, lower stoving board 22, and the equal fixedly connected with supporting shoe 21 in bottom surface both sides of lower stoving board 22, the bottom surface fixed connection of supporting shoe 21 is in the inner chamber bottom surface of oven 2.

In this embodiment, the film passes through between the upper drying plate 24 and the lower drying plate 22, the heat generated by the air heater 42 enters the upper drying plate 24, part of the heat enters the lower drying plate 22 through the air duct 23, the air collecting grooves 221 in the upper drying plate 24 and the lower drying plate 22 collect the heat, the collected heat is blown out through the air vents 222 for drying, the two sides of the film can be dried, and the drying efficiency and the drying quality are improved.

The utility model discloses a theory of operation is: during the use, run through between recipient 53 and the cylinder 55 with the one end of film, and pass and coil on winding mechanism 3 after drying plate 24 and drying plate 22 down between, winding mechanism 3 rotates during the stoving and collects the dragging to the film, the film flattens through the squeezing action of recipient 53 and cylinder 55, hot-blast air heater 42 produces hot-blast entering stoving plate 24 and drying plate 22 down, utilize ventilation hole 222 to dry the processing to the film, steam collects through recovery cover 46, cooperate regenerator tube 45 to recycle again.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A PTFE film preheating oven comprises an oven (2) and a winding mechanism (3), wherein the winding mechanism (3) is arranged on one side of the oven (2); the method is characterized in that: the drying and recycling mechanism (4) is arranged at the top of the oven (2) and the flattening mechanism (5) is arranged at the other side of the oven (2);

the drying and recycling mechanism (4) comprises a recycling cover (46) and a case (41), the bottom surface of the recycling cover (46) is embedded on the top surface of the oven (2), the case (41) is arranged at the top of the oven (2), an air heater (42) is fixed in the case (41), the inlet end of the air heater (42) is connected with the first end of a three-way pipe (43), the second end of the three-way pipe (43) is connected with an air inlet (44) formed in the top surface of the case (41), and the third end of the three-way pipe (43) is communicated with the top end of the recycling cover (46) through a heat recovery pipe (45);

an upper drying plate (24) and a lower drying plate (22) are arranged in the inner cavity of the drying oven (2), two sides of the upper drying plate (24) are correspondingly connected with two sides of the lower drying plate (22) through air ducts (23), and the outlet end of the air heater (42) extends into the drying oven (2) and is communicated with the top of the upper drying plate (24).

2. The PTFE film preheating oven of claim 1, wherein: the flattening mechanism (5) comprises a bottom box (51), an extrusion cylinder (53) and a roller (55), the bottom box (51) is fixed on one side of the oven (2), a connecting plate (513) is horizontally arranged in the bottom box (51), a plurality of air bags (512) and rubber rods (511) are arranged between the connecting plate (513) and the bottom wall of the bottom box (51) at intervals, and the upper end and the lower end of each air bag (512) and each rubber rod (511) are respectively connected with the bottom surface of the connecting plate (513) and the bottom wall of the bottom box (51); two ends of the extrusion cylinder (53) are respectively connected with the top ends of the two transmission rods (52), and the bottom ends of the two transmission rods (52) respectively penetrate into the bottom box (51) and are connected with the top surface of the connecting plate (513); the roller (55) is positioned above the extrusion cylinder (53), and two sides of the roller (55) are respectively fixed on the top surface of the bottom box (51) through the positioning plates (54).

3. The PTFE film preheating oven of claim 2, wherein: a plurality of elastic ropes (514) are connected between the connecting plate (513) and the top wall of the bottom box (51).

4. The PTFE film preheating oven of claim 1, wherein: the inner parts of the upper drying plate (24) and the lower drying plate (22) are both provided with a gas collecting groove (221), and the surface of the gas collecting groove (221) is provided with a vent hole (222).

5. The PTFE film preheating oven of claim 1, wherein: the bottom surface of the lower drying plate (22) is fixed on the bottom surface of the inner cavity of the oven (2) through a supporting block (21).