Polytetrafluoroethylene microporous membrane unwinding device

Abstract

The utility model belongs to the technical field of unwinding devices, and particularly relates to a polytetrafluoroethylene microporous membrane unwinding device which comprises a bottom plate. The two supporting plates are fixedly mounted at the top of the bottom plate; the two rotating seats are rotationally mounted on one sides of the two supporting plates; the two fixing shafts are fixedly mounted at one ends of the two rotating seats respectively, and fixing grooves are formed in the two fixing shafts; the winding shaft is located between the two fixing shafts, circular plates are fixedly installed at the two ends of the winding shaft, fixing blocks are fixedly installed at the ends, away from each other, of the two circular plates, the two fixing blocks are clamped with the two fixing grooves correspondingly, and the fixing shafts and the winding shaft are concentric; and the two limiting rings are arranged on the outer sides of the two fixing shafts in a sleeving mode, the inner sides of the limiting rings make contact with the fixing blocks, and the limiting rings are used for limiting the fixing blocks in the fixing grooves. The winding shaft can be detached and replaced conveniently, the structure is simple, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pay-off device technical field especially relates to a polytetrafluoroethylene microporous membrane pay-off device. BACKGROUND

[0002] Polytetrafluoroethylene film is by polytetrafluoroethylene extrusion molding stick, band, through the compression of the semi-finished product of film, after the temperature below the melting point, the porous product obtained by stretching, heat setting, polytetrafluoroethylene microporous membrane production needs to be pay-off device to the film pay-off.

[0003] In the prior art, the pay-off device is inconvenient to replace the winding shaft, therefore, the polytetrafluoroethylene microporous membrane pay-off device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a polytetrafluoroethylene microporous membrane pay-off device that aims at solving the inconvenience of replacing the winding shaft of the pay-off device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A polytetrafluoroethylene microporous membrane pay-off device, comprising:

[0007] A bottom plate;

[0008] Two support plates are fixedly installed on the top of the bottom plate;

[0009] Two rotating seats are rotatably installed on one side of the two support plates;

[0010] Two fixed shafts are fixedly installed at one end of the two rotating seats, and a fixed groove is formed in each of the two fixed shafts;

[0011] A winding shaft is located between the two fixed shafts, and a circular plate is fixedly installed at each end of the winding shaft; a fixed block is fixedly installed at the end of each circular plate away from the other; the two fixed blocks are clamped with the two fixed grooves respectively, and the fixed shaft is concentric with the winding shaft;

[0012] Two limiting rings are sleeved on the outer sides of the two fixed shafts, and the inner side of the limiting ring is in contact with the fixed block; the limiting ring is used for limiting the fixed block in the fixed groove;

[0013] A moving mechanism is arranged on the bottom plate and used for moving the two limiting rings;

[0014] A lifting mechanism is arranged on the bottom plate and used for lifting the winding shaft.

[0015] Preferably, a first motor is fixedly installed on one side of the support plate, and the output shaft of the first motor is fixedly connected with one rotating seat.

[0016] Preferably, the moving mechanism comprises two moving plates slidingly installed on the top of the base plate, and the top of each of the two moving plates is fixedly connected with a limiting ring.

[0017] Preferably, one side of each of the two supporting plates is rotatably installed with a screw rod, the screw threads of the two screw rods are opposite in rotation direction, one end of each of the two screw rods is fixedly connected with the other end of the other screw rod, and the two screw rods are threadedly connected with the two moving plates respectively.

[0018] Preferably, one side of each of the two supporting plates is rotatably installed with a screw rod, the screw threads of the two screw rods are opposite in rotation direction, one end of each of the two screw rods is fixedly connected with the other end of the other screw rod, and the two screw rods are threadedly connected with the two moving plates respectively.

[0019] Preferably, the lifting mechanism comprises two air cylinders fixedly installed on the top of the base plate, and the output shaft of each of the two air cylinders is fixedly installed with the same lifting plate.

[0020] Preferably, the top of the lifting plate is fixedly installed with two baffles.

[0021] Preferably, one side of each of the two supporting plates is rotatably installed with a screw rod, the screw threads of the two screw rods are opposite in rotation direction, one end of each of the two screw rods is fixedly connected with the other end of the other screw rod, and the two screw rods are threadedly connected with the two moving plates respectively.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] The two air cylinders drive the lifting plate to move upwards, then the second motor drives the two screw rods to rotate, so that the two moving plates move away from each other, the two moving plates drive the two limiting rings to move away from each other, so that the limiting rings no longer contact the fixed blocks, the restriction of the fixed blocks is released, the winding shaft is pushed downwards, the two fixed blocks are separated from the two fixed grooves, the winding shaft falls on the lifting plate, and the disassembly of the winding shaft is completed.

[0024] The utility model discloses a convenient dismantling and replacement of the winding shaft, simple structure and convenient to use. DRAWINGS

[0025] Figure 1 It is a structure schematic view of the polytetrafluoroethylene microporous membrane unwinding device;

[0026] Figure 2 It is a structure schematic view of the polytetrafluoroethylene microporous membrane unwinding device;

[0027] Figure 3 It is a structure schematic view of the polytetrafluoroethylene microporous membrane unwinding device;

[0028] Figure 4 It is a structure schematic view of the polytetrafluoroethylene microporous membrane unwinding device; Figure 2 It is an enlarged structure schematic view of part A of the polytetrafluoroethylene microporous membrane unwinding device;

[0029] Figure 5 A structure schematic view of the fixed shaft and the fixed block of the polytetrafluoroethylene microporous membrane unwinding device is provided in the utility model.

[0030] Figure 6 A structure schematic view of the fixed shaft of the polytetrafluoroethylene microporous membrane unwinding device is provided in the utility model.

[0031] Figure 7 A structure schematic view of the fixed block of the polytetrafluoroethylene microporous membrane unwinding device is provided in the utility model.

[0032] In the drawing: 1, bottom plate; 2, support plate; 3, rotating seat; 4, fixed shaft; 5, fixed groove; 6, winding shaft; 7, circular plate; 8, fixed block; 9, limiting ring; 10, moving plate; 11, screw rod; 12, first motor; 13, second motor; 14, air cylinder; 15, lifting plate; 16, baffle. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present embodiment, not all the embodiments.

[0034] Embodiment one

[0035] With reference to Figures 1-7 A polytetrafluoroethylene microporous membrane unwinding device, comprising:

[0036] A bottom plate 1;

[0037] Two support plates 2 are fixedly installed on the top of the bottom plate 1;

[0038] Two rotating seats 3 are rotatably installed on one side of the two support plates 2;

[0039] Two fixed shafts 4 are fixedly installed at one end of the two rotating seats 3 respectively, and a fixed groove 5 is formed in each of the two fixed shafts 4;

[0040] A winding shaft 6 is located between the two fixed shafts 4, and a circular plate 7 is fixedly installed at each end of the winding shaft 6; a fixed block 8 is fixedly installed at the end of each of the two circular plates 7 away from each other, the two fixed blocks 8 are clamped with the two fixed grooves 5 respectively, and the fixed shaft 4 is concentric with the winding shaft 6;

[0041] Two limiting rings 9 are sleeved on the outer sides of the two fixed shafts 4, the inner side of the limiting ring 9 is in contact with the fixed block 8, and the limiting ring 9 is used for limiting the fixed block 8 in the fixed groove 5;

[0042] A moving mechanism is arranged on the bottom plate 1 and used for moving the two limiting rings 9;

[0043] The lifting mechanism is arranged on the bottom plate 1 and used for lifting the winding shaft 6.

[0044] In the embodiment, the first motor 12 is fixedly installed on one side of the support plate 2, and the output shaft of the first motor 12 is fixedly connected with the rotating seat 3.

[0045] In the embodiment, the moving mechanism comprises two moving plates 10 slidingly installed on the top of the bottom plate 1, and the top of each of the two moving plates 10 is fixedly connected with a limiting ring 9.

[0046] In the embodiment, the screw rod 11 is rotatably installed on one side of each of the two support plates 2, the screw threads on the two screw rods 11 are opposite to each other, one end of each of the two screw rods 11 is fixedly connected with each other, and the two screw rods 11 are threadedly connected with the two moving plates 10 respectively.

[0047] In the embodiment, the second motor 13 is fixedly installed on one side of the support plate 2, and the output shaft of the second motor 13 is fixedly connected with the other end of the screw rod 11.

[0048] In the embodiment, the lifting mechanism comprises two air cylinders 14 fixedly installed on the top of the bottom plate 1, and the same lifting plate 15 is fixedly installed on the output shaft of each of the two air cylinders 14.

[0049] In the embodiment, the lifting plate 15 is fixedly installed with two baffles 16 on the top.

[0050] In the embodiment, one rotating groove is formed on one side of each of the two support plates 2, and the rotating seat 3 is rotatably installed in the rotating groove.

[0051] In the embodiment, in use, the lifting plate 15 is driven by the two air cylinders 14 to move upwards, then the screw rod 11 is driven by the second motor 13 to rotate, so that the two moving plates 10 move away from each other, the two moving plates 10 drive the two limiting rings 9 to move away from each other, so that the limiting ring 9 is no longer in contact with the fixed block 8, the restriction on the fixed block 8 is released, at this time, the winding shaft 6 is pushed downwards, so that the two fixed blocks 8 are separated from the two fixed grooves 5, the winding shaft 6 falls on the lifting plate 15, and the disassembly of the winding shaft 6 is completed.

[0052] Embodiment two

[0053] The difference between the embodiment and the embodiment one is that the sponge pad is fixedly installed on the top of the lifting plate 15, and the sponge pad has a buffering effect.

[0054] The rest is the same as the embodiment one.

[0055] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes to the technical solutions and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A polytetrafluoroethylene microporous membrane unwinding device, characterized in that, include: Base plate (1); Two support plates (2) are fixedly installed on the top of the base plate (1); Two rotating seats (3) are rotatably mounted on one side of two support plates (2); Two fixed shafts (4) are fixedly installed at one end of two rotating seats (3), and fixed grooves (5) are provided on both fixed shafts (4); The take-up shaft (6) is located between two fixed shafts (4). Circular plates (7) are fixedly installed at both ends of the take-up shaft (6). Fixed blocks (8) are fixedly installed at the ends of the two circular plates (7) that are far apart from each other. The two fixed blocks (8) are respectively engaged with two fixed grooves (5). The fixed shaft (4) and the take-up shaft (6) are concentric. Two limiting rings (9) are sleeved on the outside of the two fixed shafts (4), and the inside of the limiting rings (9) contacts the fixed block (8). The limiting rings (9) are used to restrict the fixed block (8) in the fixed groove (5). The moving mechanism, located on the base plate (1), is used to move the two limiting rings (9); The lifting mechanism is located on the base plate (1) and is used to lift the winding shaft (6).

2. The polytetrafluoroethylene microporous membrane unwinding device according to claim 1, characterized in that, A first motor (12) is fixedly installed on one side of the support plate (2), and the output shaft of the first motor (12) is fixedly connected to a rotating seat (3).

3. The polytetrafluoroethylene microporous membrane unwinding device according to claim 2, characterized in that, The moving mechanism includes two movable plates (10) slidably mounted on the top of the base plate (1), and the tops of the two movable plates (10) are respectively fixedly connected to two limiting rings (9).

4. The polytetrafluoroethylene microporous membrane unwinding device according to claim 3, characterized in that, Each of the two support plates (2) has a screw (11) rotatably mounted on one side. The threads on the two screws (11) are opposite in direction. One end of the two screws (11) is fixedly connected to each other, and the two screws (11) are threadedly connected to the two movable plates (10) respectively.

5. The polytetrafluoroethylene microporous membrane unwinding device according to claim 4, characterized in that, A second motor (13) is fixedly installed on one side of the support plate (2), and the output shaft of the second motor (13) is fixedly connected to the other end of a screw (11).

6. The polytetrafluoroethylene microporous membrane unwinding device according to claim 5, characterized in that, The lifting mechanism includes two cylinders (14) fixedly installed on the top of the base plate (1), and the same lifting plate (15) is fixedly installed on the output shaft of the two cylinders (14).

7. The polytetrafluoroethylene microporous membrane unwinding device according to claim 6, characterized in that, Two baffles (16) are fixedly installed on the top of the lifting plate (15).

8. The polytetrafluoroethylene microporous membrane unwinding device according to claim 7, characterized in that, Each of the two support plates (2) has a rotating groove on one side, and the two rotating seats (3) are respectively rotatably installed in the two rotating grooves.

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