Stretching device for PET film production

Abstract

The utility model relates to the technical field of PET (Polyethylene Terephthalate) film production, and discloses a stretching device for PET film production, which comprises a base, a feeding component I and a feeding component II fixedly connected to the top of the base, a bracket I and a bracket II arranged between the feeding component I and the feeding component II, a lifting column arranged at the bottom of the bracket I, a displacement block arranged at the top of the lifting column, and a stretching component arranged at the bottom of the displacement block, a PET film is matched with the first feeding assembly and the second feeding assembly to be conveyed, meanwhile, the middle of the PET film is matched with the top of the first pin roller and then matched with the bottom of the second pin roller, and then the lifting column can be controlled to stretch out and draw back so that the displacement block can drive the first pin roller to move up and down. Similarly, a second pin roller on a second support can be controlled to move up and down, so that the distance between the first pin roller and the second pin roller can be adjusted, the adjustable first pin roller and the adjustable second pin roller can be used for adjusting the stretching tension of the PET film, the trouble of manual adjustment is omitted, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PET film production technical field, concretely is a kind of PET film production and is drawn device. BACKGROUND

[0002] PET film is a kind of high-quality polyester film, with excellent transparency, strength and heat resistance. Widely used in electronics, packaging, printing and optics and other fields. Its good mechanical properties and chemical stability make it become the ideal choice of protection and isolation material. At the same time, PET film also has good electrical insulation and anti-ultraviolet performance, suitable for use in various high-tech products. In the production of PET film, stretching device is needed to stretch PET film.

[0003] The existing PET film production and drawing device is usually provided with a plurality of rolling shafts with mounting brackets on the platform. After winding and tensioning the PET film up and down, the PET film is tensioned to realize stretching. At the same time, the conveying roller is used for conveying the PET film. The rolling shaft is usually fixed on the platform by mounting bracket and bolt, so that it is inconvenient to adjust the distance of rolling shaft and realize tension adjustment, which is time-consuming and laborious, and is not conducive to the long-term use of PET film production and drawing device. Therefore, we propose a kind of PET film production and drawing device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of PET film production and drawing device to solve the problem of inconvenient tension adjustment in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of PET film production and drawing device, including base, the base top is fixed with feeding assembly one and feeding assembly two, the feeding assembly one and the feeding assembly two between being provided with support one and support two, the support one bottom is provided with lifting column, the lifting column top is provided with displacement block, the support one side wall is provided with roll one, the support two side wall is provided with roll two, the support one top is fixed with top part.

[0006] Preferably, the top part top is fixed with fixed ring, the fixed ring inside is provided with axial flow fan.

[0007] Preferably, the top part bottom is processed with multiple exhaust ports, and the top part is provided with multiple heating strips inside.

[0008] Preferably, the top part bottom is provided with support rod, and the support rod is fixed to the side wall of support one.

[0009] Preferably, the feeding assembly one is internally provided with a feeding roller, and a driving motor matched with the feeding roller is fixed to the side wall of the feeding assembly one.

[0010] Preferably, the lifting column is embedded in the side wall of the base, and a plurality of supporting legs are fixed to the bottom of the base.

[0011] Preferably, the bracket one is internally provided with a sliding groove, and the displacement block is matched with the side wall of the sliding groove.

[0012] Preferably, the bracket one and the bracket two are fixed to the top of the base, and the bracket one and the bracket two are provided with a scale on the side wall.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、 the utility model discloses a PET film stretching device, which comprises a base, a feeding assembly one and a feeding assembly two are fixed to the top of the base, a lifting column is embedded in the side wall of the base, a displacement block is fixed to the top of the lifting column, a bracket one is fixed to the top of the displacement block, a bracket two is fixed to the bottom of the displacement block, a roller one is fixed to the top of the bracket one, a roller two is fixed to the bottom of the bracket two, and an axial flow fan and a heating strip are fixed to the top of the base.

[0015] 2、 the utility model discloses a PET film stretching device, which comprises a base, a feeding assembly one and a feeding assembly two are fixed to the top of the base, a lifting column is embedded in the side wall of the base, a displacement block is fixed to the top of the lifting column, a bracket one is fixed to the top of the displacement block, a bracket two is fixed to the bottom of the displacement block, a roller one is fixed to the top of the bracket one, a roller two is fixed to the bottom of the bracket two, and an axial flow fan and a heating strip are fixed to the top of the base. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the bracket one and the bracket two combined structure schematic diagram of the utility model;

[0018] Fig. 3 It is the inside structure schematic diagram of the top part of the utility model.

[0019] In the figure: 100, base; 110, feeding assembly one; 111, feeding roller; 112, driving motor; 113, feeding assembly two; 120, support one; 121, lifting column; 122, displacement block; 123, sliding groove; 124, roller one; 125, supporting rod; 130, support two; 131, roller two; 140, top part; 141, fixed ring; 142, axial flow fan; 143, exhaust port; 144, heating strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] EMBODIMENT

[0022] Please refer to Figs. 1-3 , a stretching device for PET film production shown in the figure, including base 100, the top of base 100 is bolted with feeding assembly one 110 and feeding assembly two 113, support one 120 and support two 130 are arranged between feeding assembly one 110 and feeding assembly two 113, support one 120 and support two 130 are arranged in the same structure, lifting column 121 is arranged at the bottom of support one 120, the common electric push rod on the market is used for lifting column 121, the lifting column 121 at both ends of support one 120 is electrically connected to the common reverse switch on the market, displacement block 122 is bolted at the top of lifting column 121, roller one 124 rotatingly connected to displacement block 122 is arranged on the side wall of support one 120, bearing matched with roller one 124 is embedded in displacement block 122, roller two 131 is arranged on the side wall of support two 130, roller one 124 and roller two 131 are made of common stainless steel cylinder, top part 140 is bolted at the top of support one 120, the structures arranged at both ends of roller one 124 and roller two 131 are the same, PET film can be first matched with the top of roller one 124 and then matched with the bottom of roller two 131, at this time, roller one 124 needs to be higher than roller two 131.

[0023] Specifically, fixed ring 141 is bolted at the top of top part 140, axial flow fan 142 is arranged in fixed ring 141, the common slow model on the market is used for axial flow fan 142.

[0024] Further, the top part 140 is provided with a plurality of exhaust ports 143 at the bottom, and a plurality of heating strips 144 are arranged inside the top part 140. The heating strips 144 are made of common electric heating wires on the market, mainly composed of nickel-chromium alloy wires, heat-resistant silica gel sheath, and thermocouple and external switch. When the heating strips 144 are powered on, the nickel-chromium alloy wires generate heat, and the thermocouple is used to detect the temperature.

[0025] Further, the top part 140 is provided with a plurality of exhaust ports 143 at the bottom, and a plurality of heating strips 144 are arranged inside the top part 140. The heating strips 144 are made of common electric heating wires on the market, mainly composed of nickel-chromium alloy wires, heat-resistant silica gel sheath, and thermocouple and external switch. When the heating strips 144 are powered on, the nickel-chromium alloy wires generate heat, and the thermocouple is used to detect the temperature.

[0026] Further, the top part 140 is provided with a plurality of exhaust ports 143 at the bottom, and a plurality of heating strips 144 are arranged inside the top part 140. The heating strips 144 are made of common electric heating wires on the market, mainly composed of nickel-chromium alloy wires, heat-resistant silica gel sheath, and thermocouple and external switch. When the heating strips 144 are powered on, the nickel-chromium alloy wires generate heat, and the thermocouple is used to detect the temperature.

[0027] Further, the top part 140 is provided with a plurality of exhaust ports 143 at the bottom, and a plurality of heating strips 144 are arranged inside the top part 140. The heating strips 144 are made of common electric heating wires on the market, mainly composed of nickel-chromium alloy wires, heat-resistant silica gel sheath, and thermocouple and external switch. When the heating strips 144 are powered on, the nickel-chromium alloy wires generate heat, and the thermocouple is used to detect the temperature.

[0028] It is worth noting that the bracket one 120 is provided with a sliding groove 123, and the displacement block 122 is matched with the side wall of the sliding groove 123.

[0029] It is worth noting that the bracket one 120 and the bracket two 130 are bolted to the top of the base 100, and the bracket one 120 and the bracket two 130 are provided with a scale on the side wall, which can be matched with the scale to more accurately adjust the height of the displacement block 122.

[0030] In addition, the above-mentioned electrical elements and electrical equipment use external power supply. The circuits, electronic components and modules involved in the present application are prior art, and those skilled in the art can realize them without further description. The content protected by the present application does not involve the improvement of internal structure and method;

[0031] Working principle: The PET film is conveyed by feeding assembly 110 and feeding assembly 113. The middle of the PET film is positioned on the top of roller 124 and then on the bottom of roller 231. The lifting column 121 can be controlled to extend or retract, causing the displacement block 122 to move roller 124 up and down. Similarly, roller 231 on support 130 can be controlled to move up and down, thus adjusting the distance between rollers 124 and 131. The adjustable rollers 124 and 131 can be used to feed the PET film. The tension of the stretching is adjusted, eliminating the hassle of manual adjustment and saving manpower. When the PET film is stretched using roller 124 and roller 231, the axial fan 142 runs to send air into the top component 140, and at the same time the heating strip 144 is energized to heat the air inside the top component 140. The hot air can then be discharged downward from the exhaust port 143 onto the PET film between roller 124 and roller 231, which can heat the stretched PET film, making the PET film more extensible after heating, which is conducive to the stable stretching of the PET film.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stretching device for PET film production comprising a base (100), characterized in that: The base (100) top is fixed with feeding assembly one (110) and feeding assembly two (113), the feeding assembly one (110) and the feeding assembly two (113) between setting up support one (120) and support two (130), the support one (120) bottom is provided with lifting column (121), the lifting column (121) top is provided with displacement block (122), the support one (120) side wall is provided with roll one (124), the support two (130) side wall is provided with roll two (131), the support one (120) top is fixed with top part (140).

2. The stretching device for PET film production according to claim 1, characterized in that: The top part (140) top is fixed with fixed ring (141), the fixed ring (141) inside is provided with axial flow fan (142).

3. The stretching device for PET film production according to claim 1, characterized in that: The top part (140) bottom is processed with a plurality of exhaust port (143), the top part (140) inside is provided with a plurality of heating strip (144).

4. The stretching device for PET film production according to claim 1, characterized in that: The top part (140) bottom is provided with support rod (125), the support rod (125) is fixed to the side wall of support one (120).

5. The stretching device for PET film production according to claim 1, characterized in that: The feeding assembly one (110) inside is provided with feeding roller (111), the feeding assembly one (110) side wall is fixed with the drive motor (112) that cooperates with feeding roller (111).

6. The stretching device for PET film production according to claim 1, characterized in that: The lifting column (121) is embedded in the side wall of base (100), the base (100) bottom is fixed with a plurality of support legs.

7. The stretching device for PET film production according to claim 1, characterized in that: The support one (120) inside is provided with sliding groove (123), the displacement block (122) cooperates with the side wall of sliding groove (123).

8. The stretching device for PET film production according to claim 1, characterized in that: The support one (120) and the support two (130) are fixed to the top of base (100), the support one (120) and the support two (130) side wall are provided with scale.

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