Heat setting device for preparing waterproof polytetrafluoroethylene film

Abstract

The utility model relates to the technical field of film preparation, and discloses a heat setting device for preparing a waterproof polytetrafluoroethylene film, which comprises two positioning seats arranged on the left and the right, and feeding pipes are arranged in the left and the right positioning seats; the close ends of the left feeding pipe and the right feeding pipe penetrate through the close positioning seats and extend to the position between the left positioning seat and the right positioning seat, connecting plates are fixedly arranged on the top faces of the positioning seats, sealing mechanisms are arranged below the connecting plates, heating mechanisms are arranged between the left positioning seat and the right positioning seat, and ventilation cavities are formed in the positioning seats and located below the feeding pipes. The sealing mechanism comprises a sealing part and a positioning part, raw materials flow into the placing plate from the feeding pipe, films are formed on the placing plate, and when an upper sealing seat and a lower fixing seat are sealed, a sealing block can flatten the raw materials on the placing plate, it is guaranteed that the thicknesses of the films are consistent after production, the placing plate can be fixed through an air cylinder, and the production efficiency is improved. And the film produced on the upper surface of the placing plate can be conveniently taken and placed.

Description

Technical Field

[0001] The utility model relates to the technical field of film preparation, in particular to a heat setting device for preparing a waterproof polytetrafluoroethylene film. Background Art

[0002] Polytetrafluoroethylene, generally known as "non-stick coating" or "easy-to-clean material", is resistant to acids, alkalis, and various organic solvents. It is almost insoluble in all solvents. At the same time, polytetrafluoroethylene is resistant to high temperatures and has a very low friction coefficient. Therefore, it can be used as a lubricant and has become an ideal coating for the inner layer of easy-to-clean water pipes.

[0003] When the waterproof polytetrafluoroethylene film is thermoformed, its surface temperature is too high and it is necessary to wait for the surface of the waterproof polytetrafluoroethylene film to cool down, which is inconvenient for the staff to take and place, time-consuming and labor-intensive, and not conducive to the long-term work of the staff.

[0004] Therefore, a heat setting device for preparing a waterproof polytetrafluoroethylene film is proposed. Utility Model Content

[0005] The utility model aims to provide a heat setting device for preparing a waterproof polytetrafluoroethylene film to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat setting device for preparing a waterproof polytetrafluoroethylene film, comprising a positioning seat, two positioning seats are arranged on the left and right sides, and a feeding pipe is arranged inside the two positioning seats on the left and right sides, and the close ends of the two feeding pipes on the left and right sides pass through the positioning seat and extend between the two positioning seats on the left and right sides, a connecting plate is fixedly arranged on the top surface of the positioning seat, a sealing mechanism is arranged under the connecting plate, and a heating mechanism is arranged between the two positioning seats on the left and right sides;

[0007] A ventilation cavity is provided inside the positioning seat, and the ventilation cavity is located below the feed pipe. A connecting groove is provided on the side between the left and right positioning seats, and the connecting groove penetrates the ventilation cavity and extends to the inside of the ventilation cavity.

[0008] The sealing mechanism comprises a sealing portion and a positioning portion.

[0009] Preferably, the sealing portion comprises an upper sealing seat, a through groove is vertically opened on the top surface of the upper sealing seat, a sealing block is arranged in the through groove, the sealing block is fixedly connected to the inner wall of the through groove, and the front height of the lower end of the upper sealing seat is lower than the rear height of the lower end.

[0010] Preferably, a cylinder is fixedly provided on the top surface of the connecting plate, the cylinder output shaft passes through the connecting plate and extends to the lower end of the connecting plate, and the cylinder output shaft is fixedly connected to the central top surface of the sealing block.

[0011] Preferably, the positioning portion includes a lower fixing seat, a top surface of the lower fixing seat is provided with a placement groove vertically downward, and the left and right side surfaces of the lower fixing seat are fixedly connected to the adjacent feeding pipe.

[0012] Preferably, L-shaped connecting frames are fixedly provided at both ends of the lower fixing seat, and positioning rods are fixedly provided on the top surfaces of the adjacent ends of the two front and rear L-shaped connecting frames, and the upper ends of the positioning rods penetrate the upper sealing seat and are slidably connected to the upper sealing seat.

[0013] Preferably, a placement plate is provided above the lower fixing seat, and the placement plate is slidably connected to the inner wall of the placement groove.

[0014] Preferably, the heating mechanism includes a connecting seat, the top surface of the connecting seat is fixedly connected to the bottom surface of the lower fixed seat, the left and right sides of the connecting seat are fixedly connected to the adjacent positioning seat, a heating groove is opened on the front side of the connecting seat, fixing plates are fixedly provided on the inner walls of the front and rear ends of the heating groove, and an electric heating rod is fixedly provided between the front and rear fixing plates.

[0015] Preferably, ventilation grooves are provided on the left and right sides of the connecting seat, and the far ends of the left and right ventilation grooves penetrate the adjacent connecting grooves and extend to the inside of the adjacent connecting grooves.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the heat setting device for preparing a waterproof polytetrafluoroethylene film,

[0017] 1) The raw materials flow into the placement plate from the feed pipe, so that the film is formed on the placement plate. When the upper sealing seat is sealed with the lower fixed seat, the sealing block can flatten the raw materials on the placement plate to ensure that the thickness of the film after production is consistent. The placement plate can be fixed by the cylinder, which is convenient for taking and placing the film produced on the surface above the placement plate.

[0018] 2) The hot air generated after heating flows in the ventilation groove, the connecting groove and the ventilation cavity in turn. The hot air in the ventilation cavity can preheat the feed pipe, and then preheat the raw materials inside the feed pipe, thereby improving the heating effect of the device on the raw materials and thus improving the heat setting rate of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the heating mechanism of the utility model;

[0021] Figure 3 This is a cross-sectional view of the sealing mechanism of the utility model;

[0022] Figure 4It is a cross-sectional view of the upper sealing seat and the lower fixing seat of the utility model.

[0023] In the figure: 1 positioning seat, 2 feeding pipe, 3 connecting plate, 4 sealing mechanism, 41 upper sealing seat, 42 sealing block, 43 cylinder, 44 lower fixing seat, 45 L-type connecting frame, 46 positioning rod, 5 heating mechanism, 51 connecting seat, 52 fixing plate, 53 electric heating rod, 6 placement plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] For example, see Figure 1-Figure 4 The utility model provides a technical solution: a heat setting device for preparing a waterproof polytetrafluoroethylene film, comprising a positioning seat 1, two positioning seats 1 are arranged on the left and right, and a feeding pipe 2 is arranged inside the left and right positioning seats 1. The close ends of the left and right feeding pipes 2 pass through the positioning seat 1 and extend between the left and right positioning seats 1. A connecting plate 3 is fixedly arranged on the top surface of the positioning seat 1, a sealing mechanism 4 is arranged below the connecting plate 3, and a heating mechanism 5 is arranged between the left and right positioning seats 1;

[0026] A ventilation cavity is provided inside the positioning seat 1, and the ventilation cavity is located below the feeding pipe 2. A connecting groove is provided on the side between the left and right positioning seats 1, and the connecting groove penetrates the ventilation cavity and extends to the inside of the ventilation cavity;

[0027] The sealing mechanism 4 includes a sealing portion and a positioning portion.

[0028] The sealing part includes an upper sealing seat 41, a through groove is vertically opened on the top surface of the upper sealing seat 41, a sealing block 42 is arranged in the through groove, and the sealing block 42 is fixedly connected to the inner wall of the through groove. The height of the front of the lower end of the upper sealing seat 41 is lower than the height of the rear of the lower end.

[0029] A cylinder 43 is fixedly arranged on the top surface of the connecting plate 3, and an output shaft of the cylinder 43 penetrates the connecting plate 3 and extends to the lower end of the connecting plate 3, and the output shaft of the cylinder 43 is fixedly connected to the central top surface of the sealing block 42;

[0030] The positioning part includes a lower fixing seat 44, the top surface of the lower fixing seat 44 is provided with a placement groove vertically downward, and the left and right sides of the lower fixing seat 44 are fixedly connected to the adjacent feeding pipe 2;

[0031] L-shaped connecting frames 45 are fixedly arranged at both ends of the lower fixing seat 44, and positioning rods 46 are fixedly arranged on the top surfaces of the two L-shaped connecting frames 45 near the ends thereof. The upper ends of the positioning rods 46 penetrate the upper sealing seat 41 and are slidably connected to the upper sealing seat 41.

[0032] A placement plate 6 is disposed above the lower fixing seat 44, and the placement plate 6 is slidably connected to the inner wall of the placement groove;

[0033] Furthermore, in this embodiment, the placement plate 6 is placed in the placement groove, and the cylinder 43 drives the sealing block 42 and the upper sealing seat 41 to move downward, and the upper sealing seat 41 slides on the L-shaped connecting frame 45. When the upper sealing seat 41 contacts the L-shaped connecting frame 45, the front end of the sealing block 42 fixes the placement plate 6;

[0034] Furthermore, in this embodiment, the raw material flows from the feed pipe 2 onto the placement plate 6, so that the film is formed on the placement plate 6. When the upper sealing seat 41 is sealed with the lower fixing seat 44, the sealing block 42 can flatten the raw material on the placement plate 6 to ensure that the thickness of the film after production is consistent, and the placement plate 6 can be fixed by the cylinder 43, so that the film produced on the upper surface of the placement plate 6 can be conveniently taken and placed;

[0035] For example 2, please refer to Figure 1-Figure 4 , and on the basis of the first embodiment, it is further obtained that: the heating mechanism 5 includes a connecting seat 51, the top surface of the connecting seat 51 is fixedly connected to the bottom surface of the lower fixing seat 44, the left and right sides of the connecting seat 51 are fixedly connected to the adjacent positioning seat 1, a heating groove is opened on the front of the connecting seat 51, and the inner walls of the front and rear ends of the heating groove are fixedly provided with fixing plates 52, and an electric heating rod 53 is fixedly provided between the front and rear fixing plates 52;

[0036] The left and right sides of the connection seat 51 are provided with ventilation slots, and the far ends of the left and right ventilation slots penetrate the adjacent connection slots and extend to the inside of the adjacent connection slots;

[0037] Furthermore, in this embodiment, hot oil is provided inside the heating tank of the connecting seat 51, and the electric heating rod 53 heats the hot oil, thereby heating the bottom surface of the lower fixing seat 44, and then heating and molding the raw materials on the placement plate 6;

[0038] Furthermore, in this embodiment, the hot air generated after heating flows in the ventilation grooves, the connecting grooves and the ventilation cavity in turn. The hot air in the ventilation cavity can preheat the feed pipe 2, and then preheat the raw materials inside the feed pipe 2, thereby improving the heating effect of the device on the raw materials, and then improving the thermal setting rate of the device.

[0039] When in use, the placement plate 6 is placed in the placement groove, and the cylinder 43 drives the sealing block 42 and the upper sealing seat 41 to move downward, and the upper sealing seat 41 slides on the L-shaped connecting frame 45. When the upper sealing seat 41 contacts the L-shaped connecting frame 45, the front end of the sealing block 42 fixes the placement plate 6, and the raw material flows from the feed pipe 2 to the placement plate 6, so that the film is formed on the placement plate 6. Hot oil is arranged inside the heating groove of the connecting seat 51, and the electric heating rod 53 heats the hot oil, which can heat the bottom surface of the lower fixed seat 44, and then heat and form the raw material on the placement plate 6. At the same time, the hot air generated after heating flows in the ventilation groove, the connecting groove and the ventilation cavity in turn, and the hot air in the ventilation cavity can preheat the feed pipe 2, and then preheat the raw material inside the feed pipe 2.

[0040] Although the 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.

Claims

1. A heat setting device for preparing a waterproof polytetrafluoroethylene film, comprising a positioning seat (1), characterized in that: Two positioning seats (1) are arranged on the left and right sides, and a feed pipe (2) is arranged inside the two positioning seats (1) on the left and right sides. The two feed pipes (2) on the left and right sides pass through the positioning seat (1) at their adjacent ends and extend between the two positioning seats (1) on the left and right sides. A connecting plate (3) is fixedly arranged on the top surface of the positioning seat (1), and a sealing mechanism (4) is arranged below the connecting plate (3). A heating mechanism (5) is arranged between the two positioning seats (1) on the left and right sides. A ventilation cavity is provided inside the positioning seat (1), and the ventilation cavity is located below the feed pipe (2). A connecting groove is provided on the side between the left and right positioning seats (1), and the connecting groove penetrates the ventilation cavity and extends to the inside of the ventilation cavity; The sealing mechanism (4) comprises a sealing portion and a positioning portion.

2. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 1, characterized in that: The sealing portion comprises an upper sealing seat (41), the top surface of the upper sealing seat (41) being provided with a through groove extending vertically downwards, a sealing block (42) being arranged in the through groove, the sealing block (42) being fixedly connected to the inner wall of the through groove, and the front height of the lower end of the upper sealing seat (41) being lower than the rear height of the lower end.

3. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 2, characterized in that: A cylinder (43) is fixedly arranged on the top surface of the connecting plate (3); an output shaft of the cylinder (43) passes through the connecting plate (3) and extends to the lower end of the connecting plate (3); and the output shaft of the cylinder (43) is fixedly connected to the central top surface of the sealing block (42).

4. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 1, characterized in that: The positioning portion comprises a lower fixing seat (44), the top surface of the lower fixing seat (44) is provided with a placement groove extending vertically downward, and the left and right side surfaces of the lower fixing seat (44) are fixedly connected to a nearby feed pipe (2).

5. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 4, characterized in that: L-shaped connecting frames (45) are fixedly provided at the front and rear ends of the lower fixing seat (44), and positioning rods (46) are fixedly provided on the top surfaces of the adjacent ends of the front and rear L-shaped connecting frames (45), and the upper ends of the positioning rods (46) penetrate the upper sealing seat (41) and are slidably connected to the upper sealing seat (41).

6. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 5, characterized in that: A placement plate (6) is provided above the lower fixing seat (44), and the placement plate (6) is slidably connected to the inner wall of the placement groove.

7. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 1, characterized in that: The heating mechanism (5) comprises a connecting seat (51), the top surface of the connecting seat (51) being fixedly connected to the bottom surface of the lower fixing seat (44), the left and right side surfaces of the connecting seat (51) being fixedly connected to the adjacent positioning seat (1), the front surface of the connecting seat (51) being provided with a heating groove, the inner walls of the front and rear ends of the heating groove being fixedly provided with fixing plates (52), and an electric heating rod (53) being fixedly provided between the front and rear fixing plates (52).

8. A heat setting device for preparing a waterproof polytetrafluoroethylene film according to claim 7, characterized in that: The left and right sides of the connection seat (51) are provided with ventilation grooves, and the far ends of the left and right ventilation grooves penetrate the adjacent connection grooves and extend into the interior of the adjacent connection grooves.

Images