Film blowing machine for PET isolating film production

Abstract

The utility model relates to the technical field of film blowing machines, and discloses a film blowing machine for producing a PET (Polyethylene Terephthalate) isolating film, which comprises an electrostatic eliminating device and a film blowing machine body, a limiting cover plate is inserted into one outward end of the film blowing machine body, and the electrostatic eliminating device is arranged on the surface of the top end of the film blowing machine body; the static electricity removing device comprises a supporting frame, a supporting column, an adjusting assembly and a first static electricity removing roller, the supporting column is fixedly connected to the lower end of the interior of the adjusting assembly, the supporting column is inserted into the lower end of the supporting frame, and the first static electricity removing roller is installed at the upper end of the supporting frame. According to the film blowing machine for production of the PET isolating film, the limiting insertion block, the connecting frame and the electric push rod are arranged, and the limiting insertion block is inserted into the joint of the electric push rod and the connecting frame, so that the connecting frame and the electric push rod can be movably connected, and the electric push rod and the connecting frame can be conveniently detached and replaced; and therefore, the electrostatic eliminating roller II can be replaced quickly and conveniently, and the service time of the device can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blown film machine, concretely is used for PET separating membrane production's blown film machine. BACKGROUND

[0002] PET separating membrane, full name is polyethylene terephthalate separating membrane, is a kind of film made of PET material.PET material has excellent physical and chemical properties, such as high transparency, high gloss, good mechanical strength, barrier property and thermal stability, etc., so that PET separating membrane is widely applied in multiple fields.

[0003] PET blown film machine is a kind of special equipment for producing PET (polyethylene terephthalate) film.

[0004] Prior art discloses application number: CN202220609238.4 a kind of blown film machine for PET separating membrane production, including blown film machine body and the two installation housings of being set in the two side walls of blown film machine body, two The two electrostatic eliminator rollers are arranged between the installation housings, wherein one of the installation housings is provided with a driving mechanism for driving the two electrostatic eliminator rollers to move, the driving mechanism includes double-end screw connected to the top of installation housing, two mounting plates are threadedly connected to the double-end screw, the mounting plate side wall is connected with mounting frame by mounting mechanism, and the mounting mechanism includes two electric push rods fixedly connected to the mounting plate, and the output end of the electric push rod is fixedly connected with the side wall of adjacent mounting frame. Driving mechanism is arranged, the purpose of adjusting electrostatic eliminator roller is realized, and the operation steps are extremely simple, meanwhile, the electrostatic eliminator roller is observed instead of artificial observation, and the practicability of the device is improved, and in addition, the electric push rod is arranged, the position of electrostatic eliminator roller can be avoided during film positioning process The deviation and repeated adjustment of position, further improve the practicability of the device.

[0005] The above mounting mechanism includes two electric push rods fixedly connected to the mounting plate, and the output end of the electric push rod is fixedly connected with the side wall of adjacent mounting frame, when the electrostatic eliminator roller is disassembled and replaced, cutting and welding are needed, so that the installation of electrostatic eliminator roller is more troublesome, and a lot of time is needed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing blown film machine for PET separating membrane production to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: blown film machine for PET separating membrane production, including electrostatic eliminator and blown film machine body, the outward one end of blown film machine body is inserted with limit cover plate, and the electrostatic eliminator is installed on the top surface of blown film machine body.

[0008] The static electricity removing device comprises a supporting frame, a supporting column, an adjusting assembly and a static electricity removing roller one, the supporting column is fixedly connected to the lower end of the inside of the adjusting assembly, the supporting column is inserted into the lower end of the supporting frame, and the static electricity removing roller one is installed on the upper end of the supporting frame.

[0009] Preferably, the adjusting assembly comprises a metal shell, a connecting frame, an electric push rod, a bidirectional screw rod, a variable frequency motor, a limiting block and a static electricity removing roller two, the static electricity removing roller two is installed on the lower end of the connecting frame, the bidirectional screw rod is installed on the upper end of the connecting frame, the variable frequency motor is installed on the right side surface of the bidirectional screw rod, the limiting block is screw-connected to the surface of the bidirectional screw rod, the connecting frame is installed on the lower end surface of the piston rod in the electric push rod, and the electric push rod is installed on the upper end of the inside of the metal shell.

[0010] Preferably, the limiting block is inserted into the upper end of the connecting frame, the limiting block is inserted into the lower end surface of the piston rod in the electric push rod, the piston rod in the electric push rod is inserted into the upper end of the connecting frame, and then the limiting block is inserted into the connecting position of the electric push rod and the connecting frame, so that the connecting frame can be separated from the electric push rod.

[0011] Preferably, the supporting column is fixedly connected to the bottom end surface of the inside of the metal shell, the number of the supporting columns is four, and the four supporting columns are inserted into the lower end of the supporting frame, so that the position of the supporting frame can be determined, and the supporting frame can be conveniently disassembled and replaced.

[0012] Preferably, the metal shell is installed on the top end surface of the film blowing machine body, and the metal shell is installed between the metal shell and the film blowing machine body, so that metal shells of different specifications can be disassembled and replaced, and static electricity removing operation can be performed on different types of PET films.

[0013] Preferably, the variable frequency motor is installed on the upper end of the connecting frame, the number of the variable frequency motors is two, the two variable frequency motors are located at the front and rear ends of the connecting frame, and the two variable frequency motors are controlled through a PLC device.

[0014] Preferably, the number of the electric push rods is four, two of the electric push rods form a group, two groups of the electric push rods are distributed at the front and rear ends of the connecting frame, two of the electric push rods on the same side are distributed at the left and right ends of the connecting frame, the four electric push rods are controlled through a PLC controller, the four electric push rods can be telescoped together, and the position of the connecting frame can be uniformly adjusted.

[0015] Compared with the prior art, the static electricity removing device has the advantages that:

[0016] 1. The film blowing machine for PET isolation film production, through the setting of the limiting plug, the connecting frame and the electric push rod, the limiting plug is inserted into the connecting place of the electric push rod and the connecting frame, so that the connecting frame and the electric push rod can be movably connected, the electric push rod and the connecting frame can be conveniently disassembled and replaced, so that the replacement of the second electrostatic roller is rapid and convenient, and the use time of the device can be increased.

[0017] 2. The film blowing machine for PET isolation film production, through the setting of the frequency conversion motor, the limiting plug and the bidirectional screw rod, the frequency conversion motor can drive the limiting plug to move left and right on the surface of the bidirectional screw rod, so that the limiting plug is inserted into the connecting place of the electric push rod and the connecting frame, so that the metal shell and the connecting frame can be inserted and fixed between the connecting frame, so that the connecting frame is more convenient to separate from the electric push rod. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole three-dimensional schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional schematic view of the electrostatic device and the film blowing machine body of the utility model;

[0020] Figure 3 It is a three-dimensional schematic view of the adjusting assembly internal device of the utility model; Figure 2

[0021] Figure 4 It is a three-dimensional schematic view of the adjusting assembly internal device of the utility model;

[0022] In the drawing: 1, electrostatic device;11, support frame;12, support column;13, adjusting assembly;131, metal shell;132, connecting frame;133, electric push rod;134, bidirectional screw rod;135, frequency conversion motor;136, limiting plug;137, second electrostatic roller;14, first electrostatic roller;2, film blowing machine body;3, limiting cover plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0025] ​The utility model provides a blow film machine for PET isolation film production, including static electricity removing device 1 and blow film machine body 2, the outward one end of blow film machine body 2 is inserted into the limiting cover plate 3, and static electricity removing device 1 is installed on the top end surface of blow film machine body 2.

[0026] Static electricity removing device 1 includes support frame 11, support column 12, adjusting assembly 13 and static electricity removing roller one 14, support column 12 is fixedly connected to the lower end inside adjusting assembly 13, support column 12 is inserted into the lower end of support frame 11, and static electricity removing roller one 14 is installed on the upper end of support frame 11.

[0027] Adjusting assembly 13 includes metal shell 131, connecting frame 132, electric push rod 133, bidirectional screw rod 134, variable frequency motor 135, limiting plug block 136 and static electricity removing roller two 137, static electricity removing roller two 137 is installed on the lower end of connecting frame 132, bidirectional screw rod 134 is installed on the upper end of connecting frame 132, variable frequency motor 135 is installed on the right side surface of bidirectional screw rod 134, variable frequency motor 135 is installed on the upper end of connecting frame 132, the number of variable frequency motor 135 is two, two variable frequency motor 135 are located at the front and back ends of connecting frame 132, two variable frequency motor 135 are controlled through PLC device, limiting plug block 136 is screw-connected on the surface of bidirectional screw rod 134, limiting plug block 136 is inserted into the upper end of connecting frame 132, limiting plug block 136 is inserted into the lower end surface of the piston rod inside electric push rod 133, the piston rod inside electric push rod 133 is inserted into the upper end of connecting frame 132, then is inserted into the connecting place of electric push rod 133 and connecting frame 132 through limiting plug block 136, facilitating that connecting frame 132 is separated from electric push rod 133, connecting frame 132 is installed on the lower end surface of the piston rod inside electric push rod 133, the number of electric push rod 133 is four, two electric push rod 133 form a group, two groups of electric push rod 133 are distributed at the front and back ends of connecting frame 132, two electric push rod 133 on the same side are distributed at the left and right ends of connecting frame 132, four electric push rod 133 are controlled through PLC controller, can let four electric push rod 133 contract and expand together, thereby can uniformly adjust the position of connecting frame 132, electric push rod 133 is installed on the upper end inside metal shell 131, metal shell 131 is installed on the top end surface of blow film machine body 2, and metal shell 131 is installed between blow film machine body 2, can detach and replace different specifications of metal shell 131, thereby can carry out static electricity removing operation to different kinds of PET film, support column 12 is fixedly connected to the bottom end surface inside metal shell 131, the number of support column 12 is four, and four are inserted into the lower end of support frame 11, thereby can determine the position of support frame 11, facilitating that support frame 11 is detached and replaced.

[0028] In use, the support frame 11 is pushed to move downwards, the support frame 11 can drive the electrostatic roller 14 to move downwards, the support frame 11 moves downwards in the metal shell 131, the support column 12 is inserted into the inner wall surface of the lower end of the support frame 11, so that the position of the support frame 11 is determined.

[0029] The electric push rod 133 is pushed to move downwards, the electric push rod 133 is inserted into the upper end of the metal shell 131, so that the position of the four electric push rods 133 is determined, then the bolt is rotated, the bolt is screwed on the upper end of the metal shell 131, so that the electric push rod 133 and the metal shell 131 are screwed, so that the position of the electric push rod 133 is determined.

[0030] The connecting frame 132 is pushed to move upwards, the connecting frame 132 is inserted into the lower end surface of the piston rod in the electric push rod 133, so that the connecting frame 132 and the electric push rod 133 are movably connected.

[0031] When the connecting frame 132 moves upwards, the connecting frame 132 can drive the electrostatic roller 137 to move upwards, so that the position of the connecting frame 132 and the electrostatic roller 137 is adjusted.

[0032] The variable frequency motor 135 is started, the rotor of the variable frequency motor 135 can drive the bidirectional screw rod 134 to rotate, the bidirectional screw rod 134 can adjust the left and right movement of the limiting block 136, so that the limiting block 136 is inserted into the connection between the electric push rod 133 and the connecting frame 132.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A blown film machine for producing PET release films, comprising an antistatic device (1) and a blown film machine body (2), characterized in that: A limiting cover plate (3) is inserted into one end of the blown film machine body (2), and the static elimination device (1) is installed on the top surface of the blown film machine body (2). The static eliminator (1) includes a support frame (11), a support column (12), an adjustment component (13), and a static eliminator roller (14). The support column (12) is fixedly connected to the lower end of the adjustment component (13), the support column (12) is inserted into the lower end of the support frame (11), and the static eliminator roller (14) is installed on the upper end of the support frame (11).

2. The blown film machine for producing PET release films according to claim 1, characterized in that: The adjustment assembly (13) includes a metal shell (131), a connecting frame (132), an electric push rod (133), a bidirectional lead screw (134), a variable frequency motor (135), a limiting block (136), and an antistatic roller (137). The antistatic roller (137) is installed at the lower end of the connecting frame (132), the bidirectional lead screw (134) is installed at the upper end of the connecting frame (132), the variable frequency motor (135) is installed on the right side surface of the bidirectional lead screw (134), the limiting block (136) is threaded to the surface of the bidirectional lead screw (134), the connecting frame (132) is installed on the lower end surface of the piston rod inside the electric push rod (133), and the electric push rod (133) is installed at the upper end inside the metal shell (131).

3. The blown film machine for producing PET release films according to claim 2, characterized in that: The limiting plug (136) is inserted into the upper end of the connecting frame (132), and the limiting plug (136) is inserted into the lower end surface of the piston rod inside the electric push rod (133).

4. The blown film machine for producing PET release films according to claim 3, characterized in that: The support column (12) is fixedly connected to the bottom surface inside the metal shell (131).

5. The blown film machine for producing PET release films according to claim 4, characterized in that: The metal casing (131) is installed on the top surface of the blown film machine body (2).

6. The blown film machine for producing PET release films according to claim 5, characterized in that: The variable frequency motor (135) is mounted on the upper end of the connecting frame (132).

7. The blown film machine for producing PET release films according to claim 6, characterized in that: The number of electric push rods (133) is four. Two electric push rods (133) form a group. The two groups of electric push rods (133) are distributed at the front and rear ends of the connecting frame (132). Two electric push rods (133) on the same side are distributed at the left and right ends of the connecting frame (132).

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