Optical polyester film transverse drawing device

Abstract

The utility model discloses an optical polyester film transverse drawing device, and relates to the technical field of polyester film production equipment. Comprising a machining table, two movable tables capable of moving relatively are movably connected to the top of the machining table, supporting plates are connected to the two sides of the tops of the two movable tables through supporting rods, a fixed rod is fixedly connected to the part, located between the two supporting rods, of the top of each movable table, the fixed rod is slidably sleeved with a sliding sleeve, and a U-shaped connecting frame is hinged to the sliding sleeve; the connecting frame is connected with a connecting rod, one end of the connecting rod is hinged to a movable rod, the top end of the fixed rod is hinged to the movable rod, one end of the movable rod is provided with a pressing rod matched with the supporting plate, and rubber cushion layers are bonded to the bottom end of the pressing rod and the top end of the supporting plate. According to the optical polyester film transverse pulling device, the rubber cushion layers are arranged at the bottom end of the pressing rod and the top end of the supporting plate, friction force between the device and a film can be increased, deformation can be generated under the action of pressure, the contact area between the device and the film is increased, and the film is not prone to being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester film production equipment, in particular to an optical polyester film horizontal pulling device. Background Art

[0002] Polyester film is made of polyethylene terephthalate as raw material, which is made into thick sheets by extrusion and then stretched into a thin film material. In the production process of polyester optical film, transverse stretching is an important link in the whole process. Transverse stretching is preceded by longitudinal stretching, and the molecules are oriented in the longitudinal direction.

[0003] When the optical polyester film is stretched transversely, the ends of the polyester film are usually clamped by a clamp, and the clamp rod of the clamp is usually made of metal. The metal clamp rod easily causes the risk of damage to the polyester film. Utility Model Content

[0004] The utility model provides an optical polyester film horizontal pulling device to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical polyester film horizontal pulling device, comprising a processing table, the top of the processing table is movably connected to two movable tables that can move relatively, the tops of the two movable tables are connected to support plates on both sides through support rods, the top of the movable table located between the two support rods is fixedly connected to a fixed rod, a sliding sleeve is slidably sleeved on the fixed rod, a U-shaped connecting frame is hinged on the upper side of the sliding sleeve, the connecting frame is connected to a connecting rod, one end of the connecting rod is hinged to a movable rod, the top of the fixed rod is hinged to the movable rod, one end of the movable rod is installed with a pressure rod that cooperates with the support plate, a driving mechanism for driving the movable table to move is installed on the processing table, and a guiding mechanism for guiding the movement of the movable table is also provided on the processing table, and a rubber pad is bonded to the bottom end of the pressure rod and the top end of the support plate.

[0006] Furthermore, a fixing plate is fixedly connected to one side of the sliding sleeve, and an electric push rod whose output shaft is connected to the fixing plate is installed on the top of the movable platform.

[0007] Furthermore, the fixing sleeve on the fixing rod is provided with a fixing ring located above the sliding sleeve, and a spring sleeved on the fixing rod is provided between the fixing ring and the sliding sleeve.

[0008] Furthermore, the driving mechanism includes a cylinder, and vertical plates are fixedly connected to both sides of the top of the processing table. The vertical plates are equipped with cylinders with output shafts that penetrate the vertical plates and are connected to the movable table.

[0009] Furthermore, the guide mechanism includes a guide rod, the two vertical plates are fixedly connected with the guide rod, and the movable platform is slidably sleeved on the guide rod.

[0010] Furthermore, a linear bearing cooperating with the guide rod is installed on the movable platform.

[0011] Compared with the prior art, the utility model provides an optical polyester film horizontal pulling device, which has the following beneficial effects: the optical polyester film horizontal pulling device has a rubber pad layer at the bottom end of the pressure rod and the top end of the support plate, which can increase the friction between the film and the film, and will deform under the action of pressure, thereby increasing the contact area with the film without easily damaging the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the movable platform of the utility model;

[0014] Figure 3 It is an enlarged schematic diagram of point A of the utility model;

[0015] Figure 4 It is an enlarged schematic diagram of point B of the present utility model.

[0016] In the figure: 1. Processing table; 2. Movable table; 3. Support rod; 4. Support plate; 5. Fixed rod; 6. Sliding sleeve; 7. Connecting frame; 8. Connecting rod; 9. Movable rod; 10. Pressure rod; 11. Fixed ring; 12. Spring; 13. Fixed plate; 14. Electric push rod; 15. Vertical plate; 16. Cylinder; 17. Guide rod; 18. Linear bearing. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4The utility model discloses an optical polyester film horizontal pulling device, including a processing table 1, the top of the processing table 1 is movably connected to two movable tables 2 that can move relatively, the tops of the two movable tables 2 are connected to support plates 4 on both sides through support rods 3, the top of the movable table 2 is fixedly connected to a fixed rod 5 located between the two support rods 3, a sliding sleeve 6 is slidably sleeved on the fixed rod 5, a U-shaped connecting frame 7 is hinged on the upper side of the sliding sleeve 6, a connecting rod 8 is connected to the connecting frame 7, a movable rod 9 is hinged at one end of the connecting rod 8, the top of the fixed rod 5 is hinged to the movable rod 9, and a pressure rod 10 cooperating with the support plate 4 is installed at one end of the movable rod 9, a driving mechanism for driving the movable table 2 to move is installed on the processing table 1, and a guiding mechanism for guiding the movement of the movable table 2 is also provided on the processing table 1.

[0019] The processing table 1 is located below the movable table 2 or a hot air blower can be installed above the movable table 2 to heat the polyester film to be stretched.

[0020] The fixing rod 5 is fixedly sleeved with a fixing ring 11 located above the sliding sleeve 6 , and a spring 12 sleeved on the fixing rod 5 is provided between the fixing ring 11 and the sliding sleeve 6 .

[0021] The pressure rod 10 can be in the shape of a round rod or a rectangular parallelepiped. The bottom end of the pressure rod 10 and the top end of the support plate 4 are bonded with a rubber cushion layer so as to flexibly contact the polyester film.

[0022] Specifically, a fixing plate 13 is fixedly connected to one side of the sliding sleeve 6 , and an electric push rod 14 whose output shaft is connected to the fixing plate 13 is installed on the top of the movable platform 2 .

[0023] In this embodiment, the electric push rod 14 pushes the fixed plate 13, which can drive the sliding sleeve 6 to rise and fall along the fixed rod 5. During the upward movement of the sliding sleeve 6, the connecting frame 7 and the connecting rod 8 will cooperate to make the movable rod 9 and one end of the connecting rod 8 rise, and the movable rod 9 and one end of the pressure rod 10 fall, so as to tighten the polyester film placed on the end of the support plate 4.

[0024] Specifically, the driving mechanism includes a cylinder 16 . Vertical plates 15 are fixedly connected to both sides of the top of the processing table 1 . The vertical plates 15 are provided with cylinders 16 whose output shafts penetrate through the vertical plates 15 and are connected to the movable table 2 .

[0025] In this embodiment, the cylinder 16 is used to push the movable table 2 to move horizontally so that the clamped polyester film is stretched laterally.

[0026] The driving mechanism can also be components such as a linear motor and a screw module.

[0027] Specifically, the guide mechanism includes a guide rod 17 . The guide rod 17 is fixedly connected between the two vertical plates 15 , and the movable platform 2 is slidably sleeved on the guide rod 17 .

[0028] A linear bearing 18 cooperating with the guide rod 17 is installed on the movable platform 2 .

[0029] In this embodiment, the guide rod 17 is provided to guide the movement of the movable platform 2.

[0030] The guide mechanism may also be a linear guide rail. When the guide mechanism is a linear guide rail, a slide table slidably connected to the linear guide rail is installed at the bottom of the movable table 2.

[0031] In summary, the optical polyester film horizontal pulling device has a rubber pad layer at the bottom end of the pressure rod 10 and the top end of the support plate 4, which can increase the friction between the film and deform under the action of pressure, increase the contact area with the film, and is not easy to damage the film.

[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.

Claims

1. An optical polyester film horizontal stretching device, comprising a processing table (1), characterized in that: The top of the processing table (1) is movably connected to two movable tables (2) that can move relatively, and both sides of the tops of the two movable tables (2) are connected to support plates (4) through support rods (3), and the top of the movable table (2) is fixedly connected to a fixed rod (5) located between the two support rods (3), and a sliding sleeve (6) is slidably sleeved on the fixed rod (5), and a U-shaped connecting frame (7) is hinged on the upper side of the sliding sleeve (6), and the connecting frame (7) is connected to a connecting rod ( 8), one end of the connecting rod (8) is hinged with a movable rod (9), the top end of the fixed rod (5) is hinged with the movable rod (9), one end of the movable rod (9) is installed with a pressure rod (10) that cooperates with the support plate (4), the processing table (1) is installed with a driving mechanism for driving the movable table (2) to move, and the processing table (1) is also provided with a guiding mechanism for guiding the movement of the movable table (2), and the bottom end of the pressure rod (10) and the top end of the support plate (4) are both bonded with a rubber pad.

2. The optical polyester film horizontal stretching device according to claim 1, characterized in that: A fixed plate (13) is fixedly connected to one side of the sliding sleeve (6), and an electric push rod (14) whose output shaft is connected to the fixed plate (13) is installed on the top of the movable platform (2).

3. The optical polyester film horizontal stretching device according to claim 1, characterized in that: The fixed sleeve on the fixed rod (5) is provided with a fixed ring (11) located above the sliding sleeve (6), and a spring (12) sleeved on the fixed rod (5) is provided between the fixed ring (11) and the sliding sleeve (6).

4. The optical polyester film horizontal stretching device according to claim 1, characterized in that: The driving mechanism comprises a cylinder (16). Vertical plates (15) are fixedly connected to both sides of the top of the processing table (1). The vertical plates (15) are provided with a cylinder (16) whose output shaft passes through the vertical plates (15) and is connected to the movable table (2).

5. The optical polyester film horizontal stretching device according to claim 4, characterized in that: The guide mechanism comprises a guide rod (17), the guide rod (17) is fixedly connected between the two vertical plates (15), and the movable platform (2) is slidably sleeved on the guide rod (17).

6. The optical polyester film horizontal stretching device according to claim 5, characterized in that: A linear bearing (18) matched with the guide rod (17) is installed on the movable platform (2).

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