Tension adjusting device for plastic film production

Abstract

The utility model relates to the technical field of plastic film production, and discloses a tension adjusting device for plastic film production, which adopts a connecting rod type traction tensioning working mode, and is characterized in that a film conveying column is vertically and movably mounted above a mounting plate seat under the matched driving of a driving cylinder body and a guide connecting rod; the guide connecting rod is matched with the driving cylinder body to conduct traction tensioning driving on the two ends of the film conveying column, the structure is simple, work is reliable, the film conveying column is installed in a groove base embedded mode, and the limiting end base and the installation end base are installed in a sliding embedded mode under pushing of the spring. A closed mounting end hole is formed in the middle after the mounting end base and the limiting end base are embedded, the mounting end hole supports the supporting shaft column in an embedded mode to achieve mounting and connecting of the film conveying column, and mounting and unlocking of the supporting shaft column can be achieved only through simple shifting in the dismounting and mounting process. And during maintenance and repair, the disassembly and assembly work of the film conveying column can be quickly completed, so that the maintenance and repair convenience of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic film production, and specifically relates to a tension adjusting device for plastic film production. BACKGROUND

[0002] PE film, namely polyethylene film, is a film produced by PE particles, and the PE film has moisture resistance and small moisture permeability. According to different manufacturing methods and control means, polyethylene with different properties such as low-density, medium-density, high-density and cross-linked polyethylene can be manufactured, and the PE film is widely used in product packaging, industrial production and other fields. In the plastic film processing process, the film is usually continuously unwound, transported, processed and finally wound in a flow line operation mode. In order to ensure the stable transportation of the film body, a tension adjusting mechanism needs to be arranged inside the transportation unit.

[0003] The tension adjusting mechanism provides tension to the specific conveying column in the conveying section through mechanical components, so as to ensure that the film body is in a suitable tension state. The driving end of the conveying column and the tension adjusting mechanism is usually fixed shaft seat type mounting structure, and it is very inconvenient to disassemble and assemble the conveying column. A large amount of manpower is needed to complete the replacement of the conveying column during equipment maintenance due to the long production line. Therefore, the utility model provides a tension adjusting device for plastic film production. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a tension adjusting device for plastic film production to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tension adjusting device for plastic film production, comprising a driving cylinder body for film tension adjustment, a driving plate seat, a mounting plate seat, a guide connecting rod, a film conveying column and an end seat assembly. The driving cylinder body is mounted below the mounting plate seat through the driving plate seat. The film conveying column is vertically movably mounted above the mounting plate seat under the cooperation and driving of the driving cylinder body and the guide connecting rod.

[0006] The end seat assembly is used for the connection and installation of the film conveying column. The end seat assembly comprises a mounting end seat, a limiting end seat and a spring. The mounting end seat is mounted on the upper part of the guide connecting rod. The limiting end seat is slidably and fittingly mounted on the upper part of the mounting end seat under the pushing of the spring. The middle part of the film conveying column is provided with a supporting shaft column. The end part of the supporting shaft column is fittingly and plug-in mounted on the inner side of the mounting end hole formed by the mounting end seat and the limiting end seat.

[0007] As a preferred, the mounting plate seat is fixed with mounting end blocks on both sides. The mounting plate seat is fixedly mounted on the upper part of the bracket of the film production equipment through the mounting end blocks and cooperating bolts.

[0008] As preferred, the guiding link is arranged in pairs, the middle parts of the two groups of guiding links are movably inserted into the inner sides of the insertion holes arranged on the two sides of the mounting base, and the lower ends of the guiding links are fixedly connected with the end parts of the driving base.

[0009] As preferred, the driving cylinder is fixedly installed on the middle part of the driving base through bolts, and the push rod end of the driving cylinder is fixedly installed on the middle part of the mounting base.

[0010] As preferred, the mounting end base is fixedly installed on the upper end of the guiding link, the upper part of the mounting end base is provided with an embedded groove block, the lower part of the limiting end base is provided with an embedded groove, and the limiting end base is slidably embedded and installed on the upper part of the mounting end base.

[0011] As preferred, the spring is fixedly installed on the rear part of the limiting end base, and the end side of the spring is abuttingly installed on the side of the mounting end base.

[0012] As preferred, the film conveying column is rotatably installed on the upper part of the supporting shaft column, the end part of the supporting shaft column is matched with the mounting end hole, the end part of the supporting shaft column is embeddedly and supportingly installed on the inner side of the mounting end hole after installation, and the side of the mounting end base and the side of the limiting end base are both provided with a spherical protrusion.

[0013] Compared with the prior art, the above technical scheme has the following technical effects:

[0014] The tension adjusting device adopts a connecting rod type traction tensioning working mode, the guiding link cooperates with the driving cylinder to tractionally and tensily drive the two ends of the film conveying column, the structure is simple and reliable in work, the groove embedding type mounting mode is adopted for the film conveying column, the limiting end base is slidably and embeddedly installed on the mounting end base under the pushing of the spring, the mounting end hole is formed in the middle part after the embedding of the mounting end base and the limiting end base, the supporting shaft column is embeddedly and supportingly installed through the mounting end hole to realize the mounting connection of the film conveying column, and the supporting shaft column can be mounted and unlocked only by simple shifting during dismounting, so that the structure is simple and convenient to operate, the dismounting work of the film conveying column can be quickly completed during maintenance and repair, and the maintenance and repair convenience of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can also be used to obtain other drawings without creative labor for those skilled in the art.

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is the whole front side structure schematic diagram of the utility model;

[0018] Figure 3 It is the Figure 2 A region structure schematic diagram of the utility model;

[0019] Figure 4 It is the end seat assembly installation structure schematic diagram of the utility model;

[0020] Figure 5 It is the film conveying column three-dimensional structure schematic diagram of the utility model.

[0021] The figure mark explanation: 1, drive cylinder body;2, drive plate seat;3, installation plate seat;4, guide connecting rod;5, film conveying column;6, installation end seat;7, limit end seat;8, spring;9, support shaft column;10, installation end hole;11, spherical lug;12, installation end block. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 fall within the scope of protection of the utility model.

[0023] It is known that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the application that can be implemented, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the application, should still fall within the scope of the technical content disclosed by the application.

[0024] Embodiment

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a tension adjusting device for plastic film production, including the drive cylinder body 1 for film tension adjustment, drive plate seat 2, installation plate seat 3, guide connecting rod 4, film conveying column 5 and end seat assembly, installation plate seat 3 is as the installation support structure of tension adjusting device, as shown in Figure, to facilitate the connection installation of installation plate seat 3, installation end block 12 is fixed in the both sides of installation plate seat 3, installation plate seat 3 is fixedly installed in the upper portion of the bracket of film production equipment by installation end block 12 cooperation bolt. Figure 1 ​

[0026] Guide link 4 is a metal link used to guide the movement of the film conveying column 5, as shown in the attached figure. Figure 2 As shown, the guide rods 4 are arranged in pairs. The middle parts of the two sets of guide rods 4 are respectively movably inserted and installed inside the insertion holes on both sides of the mounting plate 3, which can provide stable guide support for the movement of the film conveying column 5. In order to realize the drive connection, the lower end of the guide rod 4 is fixedly connected to the end of the drive plate 2. The drive cylinder 1 is installed below the mounting plate 3 through the drive plate 2 and is used for the displacement drive of the film conveying column 5. The drive cylinder 1 can be a pneumatic cylinder. Specifically, the drive cylinder 1 is fixedly installed to the circular mounting seat in the middle of the drive plate 2 by bolts. The push rod end of the drive cylinder 1 is fixedly installed to the middle of the mounting plate 3. The film conveying column 5 is vertically movably installed above the mounting plate 3 under the cooperation of the drive cylinder 1 and the guide rod 4. The linkage-type traction and tensioning working method is adopted. The guide rod 4 cooperates with the drive cylinder 1 to traction and tension the two ends of the film conveying column 5. The structure is simple and the operation is reliable.

[0027] The end-mount assembly is used for connecting and installing the film conveying column 5. The end-mount assembly includes a mounting end-mount 6, a limiting end-mount 7, and a spring 8, as shown in the attached figure. Figure 4 As shown, the mounting end seat 6 is fixedly installed on the upper end of the guide rod 4. The upper part of the mounting end seat 6 is provided with a fitting groove, and the lower part of the limiting end seat 7 is provided with a fitting slot. The limiting end seat 7 is slidably fitted onto the upper part of the mounting end seat 6. After sliding and closing, the middle part of the mounting end seat 6 and the limiting end seat 7 forms a mounting end hole 10. A support shaft column 9 is provided in the middle of the film conveying column 5, as shown in the attached diagram. Figure 5 As shown, the film conveying column 5 is rotatably mounted on the upper part of the support shaft column 9. The end of the support shaft column 9 is adapted to the mounting end hole 10. After installation, the end of the support shaft column 9 is fitted and supported inside the mounting end hole 10. The installation method is a slot-seat fitting type. The limiting end seat 7 is slidably fitted and installed with the mounting end seat 6 under the push of the spring 8. After the mounting end seat 6 and the limiting end seat 7 are fitted, a closed mounting end hole 10 is formed in the middle. The installation connection of the film conveying column 5 is realized by the fitting support of the support shaft column 9 through the mounting end hole 10. During disassembly and assembly, the installation and unlocking of the support shaft column 9 can be realized by simple shifting. The structure is simple and the operation is convenient. The disassembly and assembly of the film conveying column 5 can be completed quickly during maintenance and repair.

[0028] To achieve closed locking and limiting of the support shaft column 9 after installation, a spring 8 is fixedly installed at the rear of the limiting end seat 7. The end side of the spring 8 abuts against the side of the mounting end seat 6. The limiting end seat 7 slides and fits into the upper part of the mounting end seat 6 under the push of the spring 8. Under the thrust of the spring 8, the mounting end seat 6 can maintain the fitted state after closing and connect to the upper part of the support shaft column 9. To reduce contact friction, as shown in the attached... Figure 4As shown, the side of the mounting end seat 6 and the limiting end seat 7 is provided with a spherical lug 11.

[0029] The working principle or structural principle is that when used, the device is installed in the film conveying line through the cooperation of the mounting end block 12 and the bolt, then the appropriate type of film conveying column 5 is selected according to the production needs, then the one end of the supporting shaft column 9 is inserted and installed into the mounting end hole 10 formed by the one side end seat through the alignment and fitting, then the limiting end seat 7 on the other side is pushed to the mounting position through the pushing, then the other end of the supporting shaft column 9 is fitted and installed into the notch on the upper part of the mounting end seat 6, then the limiting end seat 7 is released, the limiting end seat 7 is fitted and installed with the upper half of the end side of the supporting shaft column 9, the installation work of the film conveying column 5 is completed, and when the film conveying column 5 is disassembled, the limiting end seat 7 on both sides is synchronously pushed and pulled, the limiting end seat 7 is separated from the upper part of the end side of the supporting shaft column 9, and then the film conveying column 5 can be disassembled by lifting only.

[0030] When working, the film support is installed on the upper side or the lower side of the film conveying column 5, and the film conveying column 5 is moved in the vertical direction under the driving of the driving cylinder body 1, and the film body is pulled and tensioned through the relative displacement.

[0031] In summary, the tension adjusting device adopts a linkage type pulling and tensioning working mode, the film conveying column 5 is pulled and tensioned and driven at both ends by the guiding linkage 4 and the driving cylinder body 1, the structure is simple and the working is reliable, the film conveying column 5 is installed in a groove seat fitting mode, the limiting end seat 7 is slidingly fitted and installed with the mounting end seat 6 under the pushing of the spring 8, the mounting end seat 6 and the limiting end seat 7 are fitted and then form a closed mounting end hole 10 in the middle part, the supporting shaft column 9 is fitted and supported through the mounting end hole 10 to realize the installation and connection of the film conveying column 5, and when disassembled, the supporting shaft column 9 can be installed and unlocked only by simple shifting, the structure is simple and the operation is convenient, the film conveying column 5 can be quickly disassembled and assembled during maintenance and repair, and the maintenance and repair convenience of the device is greatly improved.

[0032] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A tension adjusting device for plastic film production, comprising a driving cylinder (1) for film tension adjustment, a driving plate seat (2), a mounting plate seat (3), a guide connecting rod (4), a film conveying column (5) and an end seat assembly, characterized in that: The driving cylinder (1) is installed below the mounting base (3) through the driving base (2), and the film conveying column (5) is vertically movably installed above the mounting base (3) under the cooperation driving of the driving cylinder (1) and the guide connecting rod (4). The end seat assembly is used for the connecting installation of the film conveying column (5), and the end seat assembly comprises a mounting end seat (6), a limiting end seat (7) and a spring (8), the mounting end seat (6) is installed at the upper portion of the guide connecting rod (4), the limiting end seat (7) is slidably and fitly installed at the upper portion of the mounting end seat (6) under the pushing of the spring (8), and the middle portion of the film conveying column (5) is provided with a supporting shaft column (9), and the end portion of the supporting shaft column (9) is fitly and plug-in installed at the inner side of an installation end hole (10) formed by the mounting end seat (6) and the limiting end seat (7).

2. The tension adjusting device for plastic film production according to claim 1, characterized in that: Both sides of the mounting base (3) are fixedly provided with mounting end blocks (12), and the mounting base (3) is fixedly installed at the upper portion of the support of the film production equipment through the mounting end blocks (12) and cooperating bolts.

3. The tension adjusting device for plastic film production according to claim 2, characterized in that: The guide connecting rods (4) are arranged in pairs, the middle portions of the two groups of guide connecting rods (4) are movably and plug-in installed at the inner sides of the insertion holes arranged at the two sides of the mounting base (3), and the lower ends of the guide connecting rods (4) are fixedly connected with the end portions of the driving base (2).

4. The tension adjusting device for plastic film production according to claim 3, characterized in that: The driving cylinder (1) is fixedly installed at the middle portion of the driving base (2) through bolts, and the push rod end of the driving cylinder (1) is fixedly installed at the middle portion of the mounting base (3).

5. The tension adjusting device for plastic film production according to claim 3, characterized in that: The mounting end seat (6) is fixedly installed at the upper end of the guide connecting rod (4), the upper portion of the mounting end seat (6) is provided with a fit groove block, the lower portion of the limiting end seat (7) is provided with a fit slot, and the limiting end seat (7) is slidably and fitly installed at the upper portion of the mounting end seat (6).

6. The tension adjusting device for plastic film production according to claim 5, characterized in that: The spring (8) is fixedly installed at the rear portion of the limiting end seat (7), and the end side of the spring (8) is abuttingly installed at the side of the mounting end seat (6).

7. The tension regulating device for plastic film production according to claim 6, characterized in that: The film conveying column (5) is rotatably installed at the upper portion of the supporting shaft column (9), the end portion of the supporting shaft column (9) is matched with the installation end hole (10), the end portion of the supporting shaft column (9) is fitly and supportingly installed at the inner side of the installation end hole (10) after installation, and the side of the mounting end seat (6) and the side of the limiting end seat (7) are both provided with spherical protrusions (11).

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