Film roll discharging mechanism and automatic film surrounding equipment

Abstract

The utility model discloses a film roll discharging mechanism which comprises a base, a feeding assembly, a tension control assembly and a splicing assembly. The feeding assembly is used for providing a membrane material to the tension control assembly; the tension control assembly comprises a mounting frame, a first guide part, a movable frame, a second guide part and a first driving part, the movable frame is movably mounted on the mounting frame, and the first driving part is used for driving the movable frame to move so as to drive the second guide part to move; a membrane material released by the feeding assembly sequentially bypasses the first guide part and the second guide part and then is led out; the splicing assembly is used for automatically welding the film tail of the previous material roll and the film head of the next material roll; when the film roll discharging mechanism works, a film material released by the feeding assembly sequentially bypasses the first guide part and the second guide part and then is led out, the movable frame is driven to move through the work of the first driving part, and the continuous connection assembly automatically welds the film tail of the previous material roll and the film head of the next material roll, so that the tension of the film material can be controlled, and the production efficiency is improved. The design is ingenious, and the working efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging equipment, in particular to a film roll unwinding mechanism and automatic film wrapping equipment. Background Art

[0002] At present, when bundling and baling some fluffy materials (such as chemical fiber, cotton, etc.), the materials are usually compressed by a hydraulic baler, and then the compressed materials are wrapped with film before bundling.

[0003] In order to realize automated production, the compressed materials are usually wrapped with film through automatic film wrapping equipment. Most automatic film wrapping equipment include a film roll unwinding mechanism for providing film materials to the film wrapping equipment. Usually, the film materials are supplied in the form of rolls. During use, the film roll unwinding mechanism needs to connect the tail end of the previous roll with the head end of the next roll. The existing connection method is usually performed manually, which has the problem of low work efficiency. Utility Model Content

[0004] The utility model aims to provide a film roll unwinding mechanism and automatic film wrapping equipment to solve the problem of low working efficiency in the conventional manual splicing method in the prior art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, a film roll unwinding mechanism is provided, which comprises a base, a feeding assembly, a tension control assembly and a connecting assembly; wherein:

[0007] The material supply assembly is installed on the base, and the material supply assembly is configured to provide film material to the tension control assembly;

[0008] The tension control assembly comprises a mounting frame, a first guide portion, a movable frame, a second guide portion and a first driving member, wherein the mounting frame is fixed to the base, the first guide portion is vertically mounted on a first end of the mounting frame in a first direction, the second guide portion is vertically mounted on the movable frame, the movable frame is reciprocatably mounted on the mounting frame along the first direction, the driving end of the first driving member is connected to the movable frame, and the first driving member is configured to drive the movable frame to reciprocate in the first direction so as to drive the second guide portion to approach or move away from the first guide portion;

[0009] The film material released by the feeding assembly is led out after bypassing the first guide part and the second guide part in sequence;

[0010] The connecting assembly is arranged on the mounting frame, and the connecting assembly is configured to automatically weld the film tail of the previous material roll with the film head of the next material roll.

[0011] Further, the splicing assembly is arranged at the feeding end of the first guide portion, the feeding end of the first guide portion is provided with a first guide roller group, the first guide roller group includes two first guide rollers spaced apart along the second direction, the splicing assembly includes a second driving member, a heating member and a splicing table, the fixed end of the second driving member is mounted on the mounting frame, the driving end of the second driving member is connected to the heating member, the second driving member is configured to drive the heating member to approach or move away from the splicing table, and the second direction is perpendicular to the first direction;

[0012] The second driving member drives the heating member to approach the splicing table and pushes the film tail of the previous material roll and the film head of the next material roll against the splicing table to cooperate with the heating member to automatically weld the film tail of the previous material roll and the film head of the next material roll.

[0013] Furthermore, a partition component is provided at the discharge end of the first guide portion, and the partition component is configured to isolate the tension of the film material at the discharge end of the first guide portion from subsequent processes.

[0014] Furthermore, a plurality of detection components are arranged at intervals along the first direction at the bottom of the mounting frame, and the plurality of detection components are configured to detect the movement stroke of the movable frame to adjust the tension of the film material.

[0015] Furthermore, the feeding assembly includes a feeding drive and a feeding roller, a plurality of layers of film material are wound around the feeding roller, a fixed end of the feeding drive is mounted on the base, a driving end of the feeding drive is connected to the feeding roller, and the feeding drive is configured to drive the feeding roller to rotate so as to transport the film material to the feeding end of the first guide portion.

[0016] Furthermore, a second guide roller group is arranged at the discharge end of the first guide portion, and the second guide roller group includes two second guide rollers arranged at intervals along the second direction, and the film material passes through between the two second guide rollers and is led out.

[0017] In a second aspect, an automatic film wrapping device is provided, which includes the film roll unwinding mechanism described above.

[0018] Compared with the prior art, the beneficial effects of the film roll unwinding mechanism are as follows: the film material released by the feeding component bypasses the first guide part and the second guide part in turn and is led out, and through the operation of the first driving member, the movable frame is driven to move, and the splicing component automatically welds the film tail of the previous material roll with the film head of the next material roll, which not only can realize the control of the film material tension, but also has a clever design and high splicing efficiency; the second driving member drives the heating member to approach the splicing table, and pushes the film tail of the previous material roll and the film head of the next material roll against the splicing table, so as to cooperate with the heating member to automatically weld the film tail of the previous material roll with the film head of the next material roll, with a compact structure and small space occupation; adding multiple detection components can perform multiple detections on the moving stroke of the movable frame, thereby realizing the adjustment of the film material tension and further improving the accuracy of the adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a film roll unwinding mechanism provided in an embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of a tension control assembly provided in an embodiment of the utility model;

[0022] Figure 3 It is a cross-sectional schematic diagram of a tension control assembly provided by an embodiment of the utility model;

[0023] Figure 4 It is a top view schematic diagram of the tension control assembly provided in the embodiment of the utility model. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0025] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thoroughly understood. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can also be a central component. When a component is considered to be "connected" to another component, it can be directly connected to another component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figures 1 to 4 As shown, in this embodiment, a film roll unwinding mechanism includes a base 1, a feeding assembly 2, a tension control assembly 3 and a connecting assembly 4; wherein: the feeding assembly 2 is installed on the base 1, and the feeding assembly 2 is configured to provide film material to the tension control assembly 3; the tension control assembly 3 includes a mounting frame 30, a first guide portion 31, a movable frame 32, a second guide portion 33 and a first driving member 34, the mounting frame 30 is fixed on the base 1, and the first guide portion 31 is vertically installed on the mounting frame 30 in the first direction ( Figure 1 The first guide portion 33 is vertically mounted on the movable frame 32, and the movable frame 32 can be reciprocated along the first direction on the mounting frame 30. The driving end of the first driving member 34 is connected to the movable frame 32, and the first driving member 34 is configured to drive the movable frame 32 to reciprocate in the first direction to drive the second guide portion 33 to approach or move away from the first guide portion 31; the film material released by the feeding assembly 2 bypasses the first guide portion 31 and the second guide portion 33 in turn and is led out; the connecting assembly 4 is arranged on the mounting frame 30, and the connecting assembly 4 is configured to automatically weld the film tail of the previous material roll with the film head of the next material roll.

[0027] It can be seen that the film material released by the feeding component 2 bypasses the first guide part 31 and the second guide part 33 in turn and is led out. Through the operation of the first driving member 34, the movable frame 32 is driven to move, and the splicing component 4 automatically welds the film tail of the previous material roll with the film head of the next material roll, which not only can realize the control of the film material tension, but also has a clever design and high splicing work efficiency.

[0028] As an embodiment, the connecting assembly 4 is arranged at the feeding end of the first guide portion 31, and the feeding end of the first guide portion 31 is provided with a first guide roller group, and the first guide roller group includes two rollers extending in the second direction ( Figure 1 The splicing assembly 4 includes a second driving member 40, a heating member 41 and a splicing table 42. The fixed end of the second driving member 40 is mounted on the mounting frame 30. The driving end of the second driving member 40 is connected to the heating member 41. The second driving member 40 is configured to drive the heating member 41 to approach or move away from the splicing table 42. The second driving member 40 drives the heating member 41 to approach the splicing table 42, and pushes the film tail of the previous material roll and the film head of the next material roll to abut against the splicing table 42, so as to cooperate with the heating member 41 to automatically weld the film tail of the previous material roll and the film head of the next material roll.

[0029] It can be seen that the second driving member 40 drives the heating member 41 to approach the splicing table 42, and pushes the film tail of the previous material roll and the film head of the next material roll against the splicing table 42, so as to cooperate with the heating member 41 to automatically weld the film tail of the previous material roll and the film head of the next material roll. The structure is compact and occupies little space.

[0030] As an embodiment, a partition component 5 is provided at the discharge end of the first guide portion 31 , and the partition component 5 is configured to isolate the tension of the film material at the discharge end of the first guide portion 31 from subsequent processes.

[0031] As an implementation manner, a plurality of detection components 6 are disposed at intervals along the first direction at the bottom of the mounting frame 30 , and the plurality of detection components 6 are configured to detect the movement stroke of the movable frame 32 to adjust the tension of the film material.

[0032] It can be seen that by adding a plurality of detection components 6, multiple detections can be performed on the moving stroke of the movable frame 32, thereby adjusting the tension of the film material and further improving the accuracy of the adjustment.

[0033] As an embodiment, the feeding assembly 2 includes a feeding drive 20 and a feeding roller 21, a plurality of layers of film material are wound on the feeding roller 21, a fixed end of the feeding drive 20 is mounted on the base 1, a driving end of the feeding drive 20 is connected to the feeding roller 21, and the feeding drive 20 is configured to drive the feeding roller 21 to rotate so as to transport the film material to the feeding end of the first guide portion 31.

[0034] As an embodiment, a second guide roller group is provided at the discharge end of the first guide portion 31 , and the second guide roller group includes two second guide rollers 311 spaced apart along the second direction, and the film material passes between the two second guide rollers 311 and is led out.

[0035] As an embodiment, the second guide portion 33 includes a third guide roller 330 and a fourth guide roller 331, and the third guide roller 330 and the fourth guide roller 331 are arranged on the movable frame 32 at intervals along the height direction. The discharge end of the first guide portion 31 also includes a vertically arranged fifth guide roller 312.

[0036] Based on the above-mentioned film roll unwinding mechanism, an automatic film wrapping device is provided, and the automatic film wrapping device includes the above-mentioned film roll unwinding mechanism.

[0037] When the film roll unwinding mechanism and the automatic film wrapping device are in operation: the feeding drive 20 drives the feeding roller 21 to rotate, and the film material wound on the feeding roller 21 is transported to the first guide portion 31; the film material bypasses the two first guide rollers 310 and moves to the third guide roller 330 located on the movable frame 32; after being guided by the third guide roller 330, the film material moves to the first side of the fifth guide roller 312; and moves from the second side of the fifth guide roller 312 to the first side of the fourth guide roller 331; after bypassing the fourth guide roller 331, the film material moves from the second end to the two second guide rollers 311; and It is led out from between the two second guide rollers 311; when adjusting the tension, the first driving member 34 drives the movable frame 32 to move back and forth in the first direction to drive the second guide portion 33 to approach or move away from the first guide portion 31, and multiple detection components 6 detect the moving stroke of the movable frame 32 to adjust the tension of the film material; when splicing the film material, the second driving member 40 drives the heating member 41 to approach the splicing table 42, and pushes the film tail of the previous material roll and the film head of the next material roll against the splicing table 42, and cooperates with the heating member 41 to automatically weld the film tail of the previous material roll and the film head of the next material roll.

[0038] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, 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 film roll unwinding mechanism, characterized in that: The film roll unwinding mechanism comprises a base, a feeding assembly, a tension control assembly and a connecting assembly; wherein: The material supply assembly is installed on the base, and the material supply assembly is configured to provide film material to the tension control assembly; The tension control assembly comprises a mounting frame, a first guide portion, a movable frame, a second guide portion and a first driving member, wherein the mounting frame is fixed to the base, the first guide portion is vertically mounted on a first end of the mounting frame in a first direction, the second guide portion is vertically mounted on the movable frame, the movable frame is reciprocatably mounted on the mounting frame along the first direction, the driving end of the first driving member is connected to the movable frame, and the first driving member is configured to drive the movable frame to reciprocate in the first direction so as to drive the second guide portion to approach or move away from the first guide portion; The film material released by the feeding assembly is led out after bypassing the first guide part and the second guide part in sequence; The connecting assembly is arranged on the mounting frame, and the connecting assembly is configured to automatically weld the film tail of the previous material roll with the film head of the next material roll.

2. The film roll unwinding mechanism according to claim 1, characterized in that: The splicing assembly is arranged at the feeding end of the first guide part, the feeding end of the first guide part is provided with a first guide roller group, the first guide roller group includes two first guide rollers spaced apart along the second direction, the splicing assembly includes a second driving member, a heating member and a splicing table, the fixed end of the second driving member is installed on the mounting frame, the driving end of the second driving member is connected to the heating member, the second driving member is configured to drive the heating member to approach or move away from the splicing table, and the second direction is perpendicular to the first direction; The second driving member drives the heating member to approach the splicing table and pushes the film tail of the previous material roll and the film head of the next material roll against the splicing table to cooperate with the heating member to automatically weld the film tail of the previous material roll and the film head of the next material roll.

3. The film roll unwinding mechanism according to claim 2, characterized in that: A partition assembly is provided at the discharge end of the first guide portion, and the partition assembly is configured to isolate the tension of the film material at the discharge end of the first guide portion from subsequent processes.

4. The film roll unwinding mechanism according to claim 1, characterized in that: A plurality of detection components are arranged at intervals along a first direction at the bottom of the mounting frame, and the plurality of detection components are configured to detect the moving stroke of the movable frame to adjust the tension of the film material.

5. The film roll unwinding mechanism according to claim 1, characterized in that: The feeding assembly includes a feeding drive and a feeding roller, a plurality of layers of film material are wound on the feeding roller, a fixed end of the feeding drive is mounted on the base, a driving end of the feeding drive is connected to the feeding roller, and the feeding drive is configured to drive the feeding roller to rotate so as to transport the film material to the feeding end of the first guide portion.

6. The film roll unwinding mechanism according to claim 2, characterized in that: A second guide roller group is arranged at the discharge end of the first guide portion, and the second guide roller group includes two second guide rollers arranged at intervals along the second direction. The film material passes through between the two second guide rollers and is then led out.

7. An automatic film wrapping device, characterized in that: The automatic film wrapping equipment comprises a film roll unwinding mechanism as described in any one of claims 1 to 6.

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