Cooling mechanism for transverse stretching chain clamp of PET (Polyethylene Terephthalate) film

Abstract

The utility model relates to the technical field of film production, in particular to a cooling mechanism of a PET (polyethylene terephthalate) film transverse stretching chain clamp, which comprises matching arc-shaped plates for adjusting the clamping angle of a chain clamp body, the angle between the adjacent matching arc-shaped plates is adjustable, and the side edge of each matching arc-shaped plate is further provided with a cooling nozzle for cooling the chain clamp body. And the cooling nozzle is connected to the output end of the gas tank through an internal controller. In the PET film production process, firstly, the matched arc-shaped plate acts on the chain clamp body, so that the chain clamp body is changed into a non-clamping state from a clamping state, then the chain clamp body in the non-clamping state is cooled through the cooling spray head, in the process, the clamping part of the chain clamp body can be rapidly cooled, and the production efficiency is improved. Therefore, the cooling effect of the chain clamp body can be guaranteed, and the production quality of the PET film is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film production, specifically to a cooling mechanism of PET film transverse stretching chain clamp. BACKGROUND

[0002] In the film production line, chain clamp is used to fix and guide the movement of the film, to ensure that the film maintains a stable state during the production process, they are usually used with the transmission system, through chain or other mechanical devices to drive the film to move forward, so as to realize the continuous production process. And PET film is a kind of high molecular plastic film with excellent performance, and the excellent conditions in the production process can ensure that the PET film product can have multiple purposes.

[0003] In the production process of PET film, for example, in the patent file with the application number: 202020566323.8, a cooling device of film transverse stretching equipment chain clamp is disclosed, which can realize the rapid cooling function of the chain clamp by the cooperation of the fan and the condenser.

[0004] In the above technical scheme, the chain clamp is cooled by the condenser, at this time, the chain clamp is just pulled out from the transverse stretching oven, the temperature is about 85 degrees Celsius, and the chain clamp temperature can only be reduced a little by air cooling, air draft and condenser. The cooling method of the chain clamp cannot reduce the temperature of the chain clamp well, and once the temperature of the chain clamp is too high, it will cause the film to break and the edge to be wound during the transverse stretching of the PET film, and also has a certain influence on the service life of the clamp. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems that the existing technology has poor cooling effect on the chain clamp, and affects the quality of PET film.

[0006] The utility model can realize the following technical scheme: a cooling mechanism of PET film transverse stretching chain clamp, including the cooperation arc-shaped plate for adjusting the clamping angle of the chain clamp body, the angle between adjacent cooperation arc-shaped plates is adjustable, and the side of the cooperation arc-shaped plate is also provided with the cooling nozzle for cooling the chain clamp body, and the cooling nozzle is connected with the output end of the gas tank through the internal controller.

[0007] Further technical improvement of the utility model lies in that the cooperation arc-shaped plate is fixedly installed at the output end of the power telescopic rod, and the power telescopic rod is fixedly installed on the power support base, and the power support base is fixedly installed on the rack.

[0008] The further technical improvement of the utility model lies in: the power support base is provided with a limiting sliding groove, a limiting sliding block is slidably arranged in the limiting sliding groove, and the limiting sliding block is respectively installed on the output end of the power telescopic rod and the side edge of the matching arc-shaped plate.

[0009] The further technical improvement of the utility model lies in: the gas tank comprises a compressed air barrel, the compressed air barrel is fixedly installed on the installation cross bar, and the installation cross bar is fixedly installed on the rack through the power support frame.

[0010] The further technical improvement of the utility model lies in: the gas tank comprises a liquid nitrogen barrel, and the liquid nitrogen barrel is fixedly installed on the rack.

[0011] The further technical improvement of the utility model lies in: the cooling nozzle comprises a vertical nozzle for vertically spraying gas and an inclined nozzle for obliquely spraying gas, and the vertical nozzle and the inclined nozzle are connected to the output end of the gas tank.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the PET film production process, the arc-shaped plate is used to act on the chain clamp body, so that the chain clamp body changes from the clamping state to the non-clamping state, and then the cooling nozzle is used to cool the chain clamp body in the non-clamping state. In this process, the clamping part of the chain clamp body can be quickly cooled, thereby ensuring the cooling effect of the chain clamp body and further ensuring the production quality of the PET film. Meanwhile, the cooling nozzle in the application is connected to the output end of the gas tank through the internal controller, that is, the high pressure generated by the gas tank is directly applied to the chain clamp body through the cooling nozzle, so that the impurities on the chain clamp body can be directly sprayed off, and the cooling function of the chain clamp body can be quickly realized.

[0014] 2. The arc-shaped plate is installed on the output end of the power telescopic rod, so that the distance between the arc-shaped plates can be adjusted according to the size of the chain clamp body, thereby ensuring that the arc-shaped plates are suitable for chain clamp bodies of various sizes. The use of the arc-shaped plate in the application can gradually open the clamping surface of the chain clamp body, further ensuring the stability of the clamping surface of the chain clamp body when the clamping surface is opened and closed, thereby preventing the clamping surface from being damaged due to too much collision between the clamping surfaces.

[0015] 3. The gas tank in the application comprises a compressed air barrel, which can apply compressed air to the chain clamp body to quickly realize the cooling function of the chain clamp body. Meanwhile, the application can also use a liquid nitrogen barrel to utilize the rapid cooling function of liquid nitrogen, thereby further ensuring the cooling effect of the chain clamp body and maintaining the stability during the production process. BRIEF DESCRIPTION OF DRAWINGS

[0016] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0017] Figure 1 The cooling mechanism and chain clamp assembly structure schematic view of the utility model;

[0018] Figure 2 The relative position schematic view of the cooling mechanism and chain clamp assembly of the utility model;

[0019] Figure 3 The first embodiment structure schematic view of the cooling nozzle of the utility model;

[0020] Figure 4 The second embodiment structure schematic view of the cooling nozzle of the utility model.

[0021] In the drawing: 1, chain clamp assembly;11, adjusting clamping plate;12, chain clamp body;2, cooling mechanism;21, matching arc-shaped plate;22, limiting sliding block;23, limiting sliding slot;24, cooling nozzle;25, installation cross bar;26, internal controller;27, compressed air barrel;28, power telescopic rod;29, power support base;210, power support frame;211, inclined nozzle;212, vertical nozzle. Specific implementation

[0022] In order to further explain the technical means and effects adopted by the utility model for realizing the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are explained in detail as follows in combination with the drawings and preferred embodiments.

[0023] Please refer to Figures 1-4 As shown in the figure, a kind of cooling mechanism of PET film transverse tensile chain clamp, including chain clamp assembly 1 and cooling mechanism 2, chain clamp assembly 1 passes through cooling mechanism 2 when using, cooling mechanism 2 is used to carry out cooling treatment to chain clamp assembly 1, in the present application, cooling mechanism 2 is symmetrically installed at the two sides of chain clamp assembly 1, simultaneously starting using cooling mechanism 2, can carry out the rapid cooling treatment to chain clamp assembly 1, initially guarantee the cooling effect of chain clamp assembly 1.

[0024] The chain clamp assembly 1 comprises a chain clamp body 12 and an adjusting clamp plate 11, the chain clamp body 12 is symmetrically arranged, and the end of the chain clamp body 12 is fixed with the adjusting clamp plate 11, that is, the clamping function of the chain clamp body 12 is realized by rotating the adjusting clamp plate 11, that is, in use, the adjusting clamp plate 11 is rotated along the fixed shaft, the chain clamp body 12 is rotated around the fixed shaft, so that the opening and clamping of the chain clamp body 12 can be realized. The technical scheme is the prior art, so it can be applied to the production process of PET film, and the fixed shaft in the application is fixedly installed on the transmission device, and the fixed shaft is driven to move by the transmission device, so as to realize the movement of the relative position of the chain clamp body 12, until the chain clamp body 12 is moved to the position of the cooling mechanism 2, and the cooling function of the chain clamp body 12 is realized by the cooling mechanism 2.

[0025] As a further embodiment of the application, the cooling mechanism 2 comprises an adjusting assembly for adjusting the rotation angle of the chain clamp body 12, the adjusting assembly comprises cooperating arc-shaped plates 21, the distance between adjacent cooperating arc-shaped plates 21 is adjustable, and the cooperating arc-shaped plates 21 are arc-shaped. When the chain clamp body 12 moves to the adaptive position of the cooperating arc-shaped plates 21, the adjusting clamp plate 11 first contacts the cooperating arc-shaped plates 21, then the chain clamp body 12 continuously moves, so that the rotation angle of the adjusting clamp plate 11 gradually changes more, until the chain clamp body 12 is opened, then the chain clamp assembly 1 is cooled and cleaned by the cooling mechanism 2.

[0026] Further, in order to realize the movement of the cooperating arc-shaped plates 21 towards or away from each other, the power support base 29 is also included in the application, wherein the power support base 29 is fixed on the fixed support, and the power support base 29 is provided with a limiting sliding groove 23, and the power support base 29 is also fixedly installed with a power telescopic rod 28, wherein the output end of the power telescopic rod 28 is fixedly installed with a limiting sliding block 22, the limiting sliding block 22 and the limiting sliding groove 23 are slidingly connected, and the cooperating arc-shaped plates 21 are fixedly installed on the side of the limiting sliding block 22. In use, the position of the limiting sliding block 22 is controlled by starting the power telescopic rod 28, so as to control the height of the cooperating arc-shaped plates 21. In this process, the distance between the cooperating arc-shaped plates 21 is controlled by simultaneously starting the two power telescopic rods 28, so as to realize the movement of the cooperating arc-shaped plates 21 towards or away from each other.

[0027] Specifically, the power support frame 210 is fixedly installed on the rack, wherein the power support frame 210 is in the shape of "L", the power support frame 210 is fixedly connected with the power support base 29, and the end of the power support frame 210 is fixedly provided with the installation cross rod 25, and the inside controller 26 is fixedly installed on the installation cross rod 25, wherein the two sides of the inside controller 26 are respectively fixedly provided with the compressed air barrel 27 and the cooling nozzle 24, in use, the compressed air in the compressed air barrel 27 is sprayed out from the cooling nozzle 24 by starting the inside controller 26, in this process, the compressed air sprayed out from the cooling nozzle 24 can clean and cool the chain clamp assembly 1, the inside controller 26 comprises a heat exchanger in this process, the heat exchanger can further cool the compressed air, so that the cooling effect of the compressed air acting on the chain clamp assembly 1 is better, and the temperature of the chain clamp is rapidly reduced to 60-70 DEG C.

[0028] Meanwhile, in order to further ensure the cooling effect of the chain clamp assembly 1, the compressed air barrel 27 can be replaced by a liquid nitrogen barrel in the application, the liquid nitrogen can quickly realize the function of heat absorption, and the spraying of the liquid nitrogen on the chain clamp assembly 1 can clean the chain clamp assembly 1, in this process, the amount of impurities on the chain clamp assembly 1 can be reduced, and the cleanliness of the chain clamp assembly 1 is ensured.

[0029] As a further embodiment of the application, the vertical nozzle in the cooling nozzle 24 can be replaced, that is, the vertical nozzle 212 and the inclined nozzle 211 jointly act, in use, the vertical spraying of the vertical nozzle 212 realizes the processing and cooling of the chain clamp assembly 1, and the inclined spraying of the inclined nozzle 211 can further spray off the impurities on the chain clamp assembly 1, so that the cleanliness of the chain clamp assembly 1 is further ensured.

[0030] In use, the chain clamp assembly 1 is first conveyed to the position of the cooling mechanism 2 under the action of the conveying assembly, in this process, when the chain clamp body 12 moves to the adaptive position matched with the arc-shaped plate 21, the adjusting clamp plate 11 first contacts the arc-shaped plate 21, then the chain clamp body 12 continuously moves, so that the rotation angle of the adjusting clamp plate 11 gradually changes more, and the chain clamp body 12 is finally opened;

[0031] At this time, the compressed air in the compressed air barrel 27 is sprayed out from the cooling nozzle 24 by starting the inside controller 26, in this process, the compressed air sprayed out from the cooling nozzle 24 can clean and cool the chain clamp assembly 1, the inside controller 26 comprises a heat exchanger in this process, the heat exchanger can further cool the compressed air, so that the cooling effect of the compressed air acting on the chain clamp assembly 1 is better, and the temperature of the chain clamp is rapidly reduced to 60-70 DEG C;

[0032] Meanwhile, the vertical spray head 212 and the inclined spray head 211 are used to clean the chain clamp assembly 1, the vertical spray head 212 is used to spray the chain clamp assembly 1 vertically to cool and process, and the inclined spray head 211 is used to spray the impurities on the chain clamp assembly 1, so that the cleaning degree of the chain clamp assembly 1 is further ensured.

[0033] When the size of the chain clamp assembly 1 changes, the distance between the matched arc-shaped plates 21 needs to be adjusted, in the application, the position of the limiting sliding block 22 is controlled by starting the power telescopic rod 28, so that the height of the matched arc-shaped plate 21 is controlled, in the process, the distance between the matched arc-shaped plates 21 is controlled by starting the two power telescopic rods 28 at the same time, and the matched arc-shaped plates 21 are moved towards or away from each other.

[0034] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any indirect modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A cooling mechanism for a PET film transverse stretching chain clip, characterized by: Including the cooperation of the arc plate (21) for adjusting the chain clamp body (12) clamping angle, the angle between adjacent cooperation arc plate (21) is adjustable, and the side of the cooperation arc plate (21) is also provided with cooling nozzle (24) for cooling the chain clamp body (12), the cooling nozzle (24) is connected with the output end of the gas tank through the internal controller (26).

2. A cooling mechanism of a PET film transverse stretching chain clip according to claim 1, characterized in that, The cooperation arc plate (21) is fixedly installed on the output end of the power telescopic rod (28), and the power telescopic rod (28) is fixedly installed on the power support base (29), and the power support base (29) is fixedly installed on the rack.

3. A cooling mechanism for a PET film transverse stretching chain clip according to claim 2, characterized in that, The power support base (29) is provided with a limiting sliding groove (23), the limiting sliding groove (23) is provided with a limiting sliding block (22) inside, and the limiting sliding block (22) is respectively installed on the output end of the power telescopic rod (28) and the side of the cooperation arc plate (21).

4. The cooling mechanism of a PET film transversal stretching chain clamp according to claim 1, characterized in that, The gas tank includes a compressed air barrel (27), and the compressed air barrel (27) is fixedly installed on the installation cross bar (25), and the installation cross bar (25) is fixedly installed on the rack through the power support frame (210).

5. The cooling mechanism of a PET film transversal stretching chain clamp according to claim 1, characterized in that, The gas tank includes a liquid nitrogen barrel, and the liquid nitrogen barrel is fixedly installed on the rack.

6. A cooling mechanism for a PET film transverse stretching chain clip according to claim 1, characterized in that, The cooling nozzle (24) includes a vertical nozzle (212) for vertically spraying gas and an inclined nozzle (211) for obliquely spraying gas, and the vertical nozzle (212) and the inclined nozzle (211) are connected with the output end of the gas tank.

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