Vertical conveying and tensioning device for PE wrapping film

Abstract

The utility model relates to a vertical conveying and tensioning device for a PE wrapping film. The vertical conveying and tensioning device is characterized by comprising a top beam, a tensioning cylinder body, a guide roller and a connecting module, the top beam of the U-shaped structure is arranged at the vertical winding position of the PE winding film, so that the PE winding film is wound around the top beam to be wound; the tensioning barrel is connected and installed on the top beam through the connecting module, a guide roller on the tensioning barrel guides the PE winding film, a spring on the connecting module is matched with a curved surface block to reversely support and tension the tensioning barrel under centripetal force of the PE winding film, and the PE winding film is always kept in a tensioned state when passing through the tensioning barrel. The PE winding film is kept tensioned; according to the device, the situation that the vertically-wound PE winding film is separated from a conveying area due to insufficient tension force is avoided, and the winding effect of the PE winding film is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of PE stretch film production, in particular to a vertical conveying and tensioning device for PE stretch film. Background Art

[0002] In general, in the production of PE stretch film, the PE stretch film is usually transported in a horizontal manner. In order to ensure that the PE stretch film remains in a tensioned state during transportation, a tensioning roller is usually used to tension the PE film. Later, in order to reduce the floor space occupied by the production equipment, a vertical winding method is adopted in the subsequent PE stretch film winding process, which can reduce the area occupied by the PE stretch film winding. However, the PE stretch film is prone to insufficient tension during the winding process, and the PE winding film is easy to leave the conveying position, resulting in the PE winding film ends not being flush during the winding process. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a PE wrap film vertical conveying tensioning device, which can solve the problem that the general PE wrap film vertical conveying tensioning degree is insufficient and the PE wrap film is easy to be separated from the conveying area.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a PE wrap film vertical transmission tensioning device, the innovation of which is: comprising a top beam, a tensioning cylinder, a guide roller and a connection module;

[0005] The longitudinal section of the top beam is an I-shaped structure, and the top beam is a U-shaped structure in the horizontal direction to form a corner; a plurality of through holes are provided on the lower flange of the top beam, and the tensioning cylinder has a plurality of through holes, and the tensioning cylinder is installed on the top beam through the connection modules respectively cooperating with the through holes on the lower flange of the top beam;

[0006] The tensioning cylinder is in a cylindrical structure, and a sealing plate is provided at the top; a connecting hole is opened on the sealing plate at the top of the tensioning cylinder along the vertical direction; a plurality of ear plates are provided in a circular shape near the two ends of the outer contour of the tensioning cylinder;

[0007] There are a plurality of guide rollers, which are distributed on the circumference of the tensioning cylinder along the vertical direction, and both ends of the guide rollers are mounted on the ear plates on the tensioning cylinder through slewing bearings;

[0008] The connecting module includes a curved block, a connecting bolt, a connecting nut, a spring and a pad; the curved block is a hemispherical structure, and the curved block has a horizontal surface and a hemispherical curved surface; the horizontal surface of the curved block is tightly attached to the sealing plate of the tensioning cylinder, and the hemispherical curved surface of the curved block is tightly attached to the through hole position of the lower flange of the top beam; a bolt hole is arranged on the curved block along the central axis direction, and the top end of the bolt hole corresponds to the through hole of the lower flange of the top beam, and the bottom end of the bolt hole corresponds to the connecting hole on the sealing plate; the threaded end of the connecting bolt passes through the connecting hole on the sealing plate, the bolt hole on the curved block and the through hole on the lower flange of the top beam in sequence; the pad is arranged on the inner side of the lower flange of the top beam, and a circular hole is opened on the pad to accommodate the connecting bolt to pass through; the spring is nested on the connecting bolt, and the spring is located on the inner side of the top beam, one end of the spring is pressed tightly against the pad, the connecting nut cooperates with the connecting bolt and is located in the top beam, and the other end of the spring is pressed against the connecting nut.

[0009] Furthermore, the bottom end of the tensioning cylinder is provided with an opening, and the inner side wall of the tensioning cylinder is provided with a plurality of counterweight hooks, and a counterweight block can be installed from the bottom end opening of the tensioning cylinder to increase the overall weight of the tensioning cylinder.

[0010] The advantages of the utility model are:

[0011] 1) In the utility model, a U-shaped top beam is provided at the place where the PE wrapping film is vertically rolled up, so that the PE wrapping film can be rolled up around the top beam; the tensioning cylinder is connected and installed on the top beam through a connecting module, the guide roller on the tensioning cylinder guides the PE wrapping film, and the spring on the connecting module cooperates with the curved surface block to reversely support and tension the centripetal force of the PE wrapping film on the tensioning cylinder, so that the PE wrapping film is always kept in a tensioned state when passing through the tensioning cylinder, and the tension of the PE wrapping film is kept; the device avoids the situation that the PE wrapping film that is vertically rolled up is separated from the conveying area due to insufficient tensioning force, and ensures the rolling effect of the PE wrapping film. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 This is a top view of a top beam of a vertical PE wrapping film conveying and tensioning device of the utility model.

[0014] Figure 2 It is a side view of a vertical conveying and tensioning device for PE wrapping film of the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, 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 part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] like Figure 1 Figure 2 A vertical conveying and tensioning device for a PE wrapping film is shown, which comprises a top beam 1, a tensioning cylinder 2, a guide roller 3 and a connecting module 4.

[0018] In this embodiment, the longitudinal cross-section of the top beam 1 is an I-shaped structure, and the top beam 1 is a U-shaped structure in the horizontal direction to form a corner; a plurality of through holes are provided on the lower flange of the top beam 1, and the tensioning cylinder 2 has a plurality of through holes, and the tensioning cylinder 2 is installed on the top beam through the connection modules 4 and the through holes on the lower flange of the top beam 1 are respectively matched.

[0019] In this embodiment, the tensioning cylinder 2 has a cylindrical structure and a sealing plate is provided at the top; a connecting hole is opened on the sealing plate at the top of the tensioning cylinder 2 along the vertical direction; and a number of ear plates are provided in a ring shape near the two ends on the outer contour of the tensioning cylinder 2.

[0020] In this embodiment, there are a plurality of guide rollers 3 and the guide rollers 3 are distributed in the circumference of the tensioning cylinder 2 along the vertical direction. Both ends of the guide rollers 3 are installed at the ear plates on the tensioning cylinder 2 through slewing bearings.

[0021] In this embodiment, the connection module 4 includes a curved block 41, a connecting bolt 42, a connecting nut 43, a spring 44 and a pad 45; the curved block 41 is a hemispherical structure, and the curved block 41 has a horizontal surface and a hemispherical curved surface; the horizontal surface of the curved block 41 is tightly attached to the sealing plate of the tensioning cylinder 2, and the hemispherical curved surface of the curved block 41 is tightly attached to the through hole position of the lower flange of the top beam 1; bolt holes are arranged on the curved block 41 along the central axis direction, and the top end of the bolt hole corresponds to the through hole of the lower flange of the top beam 1, and the bottom end of the bolt hole corresponds to the sealing plate The threaded end of the connecting bolt 42 passes through the connecting hole on the cover plate, the bolt hole on the curved block 41 and the through hole on the lower flange of the top beam in sequence; the pad 45 is arranged on the inner side of the lower flange of the top beam, and the pad 45 is provided with a circular hole for accommodating the connecting bolt to pass through; the spring 44 is nested on the connecting bolt, and the spring 44 is located on the inner side of the top beam 1, one end of the spring 44 is pressed against the pad 45, the connecting nut 43 cooperates with the connecting bolt 42 and is located in the top beam, and the other end of the spring 44 is pressed against the connecting nut.

[0022] In this embodiment, the bottom end of the tensioning cylinder 2 is opened, and the inner wall of the tensioning cylinder 2 is provided with a plurality of counterweight hooks. The counterweight block can be installed from the bottom end opening of the tensioning cylinder 2 to increase the overall weight of the tensioning cylinder 2.

[0023] The working principle of the utility model is as follows: a U-shaped top beam is arranged at the place where the PE wrapping film is vertically rolled up, so that the PE wrapping film is rolled up around the top beam; a tensioning cylinder is connected and installed on the top beam through a connecting module, a guide roller on the tensioning cylinder guides the PE wrapping film, a spring on the connecting module cooperates with a curved surface block to reversely support and tension the centripetal force of the PE wrapping film on the tensioning cylinder, and the PE wrapping film is always kept in a tensioned state when passing through the tensioning cylinder, and the tension of the PE wrapping film is kept; the device avoids the situation that the vertically rolled PE wrapping film is separated from the conveying area due to insufficient tensioning force, and ensures the rolling effect of the PE wrapping film.

[0024] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A PE wrap film vertical conveying and tensioning device, characterized in that: It includes a top beam, a tensioning cylinder, a guide roller and a connecting module; The longitudinal section of the top beam is an I-shaped structure, and the top beam is a U-shaped structure in the horizontal direction to form a corner; a plurality of through holes are provided on the lower flange of the top beam, and the tensioning cylinder has a plurality of through holes, and the tensioning cylinder is installed on the top beam through the connection modules respectively cooperating with the through holes on the lower flange of the top beam; The tensioning cylinder is in a cylindrical structure, and a sealing plate is provided at the top; a connecting hole is opened on the sealing plate at the top of the tensioning cylinder along the vertical direction; a plurality of ear plates are provided in a circular shape near the two ends of the outer contour of the tensioning cylinder; There are a plurality of guide rollers, which are distributed on the circumference of the tensioning cylinder along the vertical direction, and both ends of the guide rollers are mounted on the ear plates on the tensioning cylinder through slewing bearings; The connecting module includes a curved block, a connecting bolt, a connecting nut, a spring and a pad; the curved block is a hemispherical structure, and the curved block has a horizontal surface and a hemispherical curved surface; the horizontal surface of the curved block is tightly attached to the sealing plate of the tensioning cylinder, and the hemispherical curved surface of the curved block is tightly attached to the through hole position of the lower flange of the top beam; a bolt hole is arranged on the curved block along the central axis direction, and the top end of the bolt hole corresponds to the through hole of the lower flange of the top beam, and the bottom end of the bolt hole corresponds to the connecting hole on the sealing plate; the threaded end of the connecting bolt passes through the connecting hole on the sealing plate, the bolt hole on the curved block and the through hole on the lower flange of the top beam in sequence; the pad is arranged on the inner side of the lower flange of the top beam, and a circular hole is opened on the pad to accommodate the connecting bolt to pass through; the spring is nested on the connecting bolt, and the spring is located on the inner side of the top beam, one end of the spring is pressed tightly against the pad, the connecting nut cooperates with the connecting bolt and is located in the top beam, and the other end of the spring is pressed against the connecting nut.

2. A PE wrapping film vertical conveying and tensioning device according to claim 1, characterized in that: The bottom end of the tensioning cylinder is opened, and the inner side wall of the tensioning cylinder is provided with a plurality of counterweight hooks. A counterweight block can be installed from the bottom end opening of the tensioning cylinder to increase the overall weight of the tensioning cylinder.

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