Assembly with quick change of stretched film size

By designing movable components and limit structures, the difficulty in replacing stretch films of different sizes in the stretch film packaging machine is solved, and rapid replacement and anti-slip fixation are achieved, and packaging efficiency is improved.

CN222247979UActive Publication Date: 2024-12-27SHANDONG BOFA PACKAGING MASCH CO LTD
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Patent Information

Application Number
CN202421136297.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2024-12-27
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

It is difficult to quickly replace stretch films of different sizes assemblies of existing stretch film packaging machines, and the stretch film rollers are easy to slide during use, which affects the efficiency of use.

Method used

A component is designed, including a freely movable moving assembly, a control assembly, a limiting structure and a spring mechanism, which ensures that the tension film roller is installed by the fitting of the pressure-bearing member, a force-bearing plate, a limiting head and a pyramid-shaped rod. The rear can be fixed with anti-slip and avoid rotation and sliding.

Benefits of technology

It realizes rapid replacement and stable fixation of stretched film rollers of different sizes, improves packaging efficiency, and prevents the stretched film roller from sliding during use, improving the user experience.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222247979U_ABST
    Figure CN222247979U_ABST
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Abstract

The utility model provides an assembly capable of quickly changing the size of a stretched film, and relates to the field of stretched film auxiliary assemblies. The outer portion of the assembly body is sleeved with a moving assembly capable of freely moving, the moving assembly is provided with a control assembly capable of freely sliding up and down through a control assembly and an inner groove, sliding grooves are formed in the two sides of the control assembly, and an inner plate is fixed to the inner side of the control assembly. When the stretching film rollers of different sizes are replaced, the stretching film rollers of proper sizes are arranged outside the assembly body in a sleeving mode, the moving assembly is arranged outside the assembly body in a sleeving mode to move and extrude the stretching film rollers, the stretching film rollers of different sizes are conveniently fixed, then pulling of the control assembly is stopped, and the stretching film rollers of any size are conveniently fixed. The fixing efficiency is improved, and the problems that a common assembly for replacing the stretching film in the market can only be suitable for the stretching film of a single size, and the stretching films of different sizes are difficult to replace are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stretch film auxiliary components, in particular to a component capable of quickly changing the size of a stretch film. Background Art

[0002] A stretch film packaging machine is a machine that wraps stretch film around an object to form a tight covering to protect, package or fix the object. Its working principle can be simply described as: place the object on a turntable, the stretch film is conveyed around the object, the turntable rotates, and the film holder moves up and down at the same time to stretch and wrap the stretch film around the object; finally, the film is cut off to complete the packaging. Stretch film packaging machines are widely used in food, beverage, medicine, cosmetics and other industries, and play an important role in product packaging, transportation and storage. When the stretch film is replaced, it needs to be replaced conveniently through components, and the common components for replacing stretch film on the market can only be used for stretch film of a single size. Replacing stretch film of different sizes is more laborious, and when the stretch film roller is controlled to rotate and use, the stretch film roller is prone to slip on the outside of the component, affecting its use. Utility Model Content

[0003] The disclosed embodiment relates to a component capable of quickly changing the size of a stretch film. When the stretch film roller is assembled, the pressure piece, the force plate, the limit head and the sliding structure can be controlled to rise. The force plate compresses the spring so that the limit head and the pyramidal rod are inserted into the interior of the stretch film roller. After the stretch film roller is installed in the appropriate position, the spring pushes the force plate to move so that the limit head is fixed to the inner wall of the stretch film roller through the pyramidal rod in anti-slip contact, thereby preventing the stretch film roller from rotating and sliding outside the component body when in use.

[0004] According to a first aspect of the present disclosure, a component capable of quickly changing the size of a stretch film is provided, specifically comprising: a component body; a stretch film roller is sleeved on the outside of the component body, the inner end of the component body is connected to a stretch film packaging machine, a freely movable moving component is sleeved on the outside of the component body, the moving component is provided with a control component that can slide freely up and down through a control component and an inner groove, slide grooves are provided on both sides of the control component, and an inner plate is fixed on the inner side of the control component; a limiting structure; the limiting structure is sleeved on the outside of the component body and can slide freely, a sliding structure that can move freely up and down is installed on the bottom of the limiting structure through a bottom groove, a limiting head is fixed on the side of the sliding structure, a pyramidal rod is provided on the bottom of the outer end of the limiting head, the limiting head and the pyramidal rod are inserted together into the interior of the stretch film roller, and the pyramidal rod contacts the inner wall of the stretch film roller.

[0005] In at least some embodiments, the exterior of the component body is provided with a freely rotatable fixing part, which is connected to the stretch film packaging machine, and the inner end of the component body is provided with a transmission gear, which is connected to the transmission mechanism and controls the rotation of the component body; a guide groove is provided above the front end of the component body, and the interior of the movable component is inserted into the interior of the guide groove, and the inner bottom end of the guide groove is provided with evenly arranged card grooves, and the top two sides of the card groove are inclined structures, and the control component is inserted into the interior of the card groove; two symmetrically arranged control components are provided on the outer side of the movable component, and the control component is inserted into the interior of the slide groove; an inner groove is provided on the outer side of the movable component, and the inner groove is located between the two control components, and the inner plate is inserted into the inner groove, and a round rod with a spring on the outside is fixed to the inside of the inner groove, and the round rod passes through the inner plate, and the bottom end of the spring contacts the top of the inner plate.

[0006] In at least some embodiments, a fixing plate is provided on the side of the limiting structure, bolts are inserted into the interior of the fixing plate and fixedly connected to the component body, a guiding structure is fixed to the bottom of the side of the limiting structure, and a spring is sleeved on the outside of the guiding structure; a bottom groove is provided at the bottom of the limiting structure, a side groove is provided on each side of the bottom groove, a sliding structure that can slide freely up and down is inserted into the interior of the bottom groove, control blocks are provided on both sides of the sliding structure, the control blocks are inserted into the interior of the side groove and can slide freely up and down; a force-bearing plate is fixed on the side of the sliding structure, the force-bearing plate is sleeved on the outside of the guide structure, the bottom end of the spring is in contact with the top end of the force-bearing plate and continuously pushes the force-bearing plate to move downward, and a pressure piece is fixed to the bottom side of the sliding structure.

[0007] The utility model provides a component with a stretch film size that can be quickly replaced, which has the following beneficial effects:

[0008] When replacing stretch film rollers of different sizes, the stretch film roller of the appropriate size can be mounted on the outside of the component body, and then the moving component can be controlled to be installed so that the moving component can be mounted on the outside of the component body to move and squeeze the stretch film roller. The stretch film rollers of different sizes can be easily fixed. Then, the pulling of the control component can be stopped so that the spring pushes the inner plate and the control component to be inserted into the slot, so that stretch film rollers of any size can be easily fixed and the fixing efficiency can be improved.

[0009] When the stretch film roller is assembled, the pressure piece, the force plate, the limit head and the sliding structure can be controlled to rise. The force plate compresses the spring to insert the limit head and the pyramidal rod into the interior of the stretch film roller. After the stretch film roller is installed in the appropriate position, the spring pushes the force plate to move, so that the limit head is fixed in anti-slip contact with the inner wall of the stretch film roller through the pyramidal rod, thereby preventing the stretch film roller from rotating and sliding outside the component body when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0011] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0012] In the attached picture:

[0013] Figure 1 A three-dimensional structural schematic diagram of the present application is shown;

[0014] Figure 2 A bottom-up structural schematic diagram of the present application is shown;

[0015] Figure 3 The exploded three-dimensional structure diagram of the present application is shown;

[0016] Figure 4 The schematic diagram of the exploded three-dimensional structure of the component body of the present application is shown;

[0017] Figure 5 The figure shows a schematic diagram of the decomposed three-dimensional structure of the limiting structure of the present application;

[0018] Figure 6 A schematic diagram of the decomposed bottom-up structure of the limiting structure of the present application is shown;

[0019] Reference numerals list

[0020] 1. Component body; 101. Fixing piece; 102. Transmission gear; 103. Guide groove; 104. Card slot; 105. Moving component; 106. Control component; 107. Inner groove; 108. Control component;

[0021] 2. Limiting structure; 201. Fixed plate; 202. Guide structure; 203. Bottom groove; 204. Sliding structure; 205. Control block; 206. Limiting head; 207. Force plate; 208. Pressure piece. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figures 1 to 6 :

[0024] The utility model proposes a component with the function of quickly changing the size of a stretch film, comprising: a component body 1; a stretch film roller is sheathed on the outside of the component body 1, the inner end of the component body 1 is connected to a stretch film packaging machine, a freely movable moving component 105 is sheathed on the outside of the component body 1, and after moving, stretch films of different sizes are fixed, the moving component 105 is installed with a control component 108 that can slide up and down freely through a control component 106 and an inner groove 107, slide grooves are arranged on both sides of the control component 108, and an inner plate is fixed on the inner side of the control component 108, so that the control component 108 is displaced and moved by force and fixed on Appropriate position to firmly fix stretch films of different sizes; the limiting structure 2; the limiting structure 2 is mounted on the outside of the component body 1 and slides freely, and a sliding structure 204 that can move freely up and down is installed at the bottom of the limiting structure 2 through a bottom groove 203, and a limiting head 206 is fixed on the side of the sliding structure 204, and a pyramidal rod is provided at the bottom of the outer end of the limiting head 206, and the limiting head 206 and the pyramidal rod are inserted together into the interior of the stretch film roller, and the pyramidal rod contacts the inner wall of the stretch film roller, and has anti-slip contact with the inner wall of the stretch film roller, so as to prevent the stretch film roller from rotating outside the component body 1 when the stretch film is in use.

[0025] In the present disclosure, Figure 3 and Figure 4 As shown, the outer part of the component body 1 is provided with a freely rotatable fixing part 101, which is connected to the stretch film packaging machine so that the rotation of the component body 1 will not be affected after it is installed. The inner end of the component body 1 is provided with a transmission gear 102, which is connected to the transmission mechanism and controls the rotation of the component body 1 to generate a rotational force; a guide groove 103 is provided above the front end of the component body 1, and the inside of the moving component 105 is inserted into the inside of the guide groove 103. The inner bottom end of the guide groove 103 is provided with evenly arranged card grooves 104, and the top two sides of the card groove 104 are inclined structures. The control component 108 is inserted into the inside of the card groove 104, and the control component 108 and the moving component 105 are connected. Component 105 is limited and fixed, so that the stretching film of different gears is fixed; two symmetrically arranged control components 106 are provided on the outside of the moving component 105, and the control component 106 is inserted into the inside of the slide groove to control the control component 108 to guide and slide up and down. An inner groove 107 is provided on the outside of the moving component 105, and the inner groove 107 is between the two control components 106. The inner plate is inserted into the inner groove 107, and a round rod with a spring on the outside is fixed inside the inner groove 107. The round rod passes through the inner plate, and the bottom end of the spring contacts the top of the inner plate, continuously pushing the inner plate and the control component 108 to move downward, and the control component 108 is inserted into the inside of the card slot 104 and fixed, so as to firmly limit the moving component 105.

[0026] In the present disclosure, Figure 5 and Figure 6As shown, a fixing plate 201 is provided on the side of the limiting structure 2, and bolts are inserted into the inside of the fixing plate 201 and fixedly connected to the component body 1, so that the limiting structure 2 is firmly fixed to the outside of the component body 1, and a guiding structure 202 for guiding is fixed to the bottom of the side of the limiting structure 2, and a spring is sleeved on the outside of the guiding structure 202 to continuously push the force plate 207 to move downward; a bottom groove 203 is provided at the bottom of the limiting structure 2, and a side groove is provided on both sides of the bottom groove 203, and a spring that can slide freely up and down is inserted into the inside of the bottom groove 203. The sliding structure 204 has control blocks 205 on both sides. The control blocks 205 are inserted into the side grooves and slide freely up and down to prevent the sliding structure 204 from excessive movement. A force plate 207 is fixed on the side of the sliding structure 204. The force plate 207 is sleeved on the outside of the guide structure 202. The bottom end of the spring contacts the top of the force plate 207 and continuously pushes the force plate 207 to move downward. A pressure piece 208 is fixed on the side of the bottom end of the sliding structure 204 to facilitate control and push the sliding structure 204 to rise.

[0027] The working principle of this embodiment is as follows: after the assembly body 1 and the stretch film packaging machine are installed, if it is necessary to replace the stretch film with different gears, the control assembly 108 can be pulled up, the moving assembly 105 can be pulled to slide and displace, and detached from the outside of the assembly body 1, and the stretch film roller of the required size can be controlled to be sleeved on the outside of the assembly body 1, and the pressure-bearing member 208 and the sliding structure 204 can be pushed up, and the stretch film roller can be controlled to contact with the limiting structure 2, so that the limiting head 206 and the pyramid-shaped rod are inserted into the inside of the stretch film roller, and the pressure-bearing member 208 can be stopped. 08. The spring pushes the force plate 207 and the limit head 206 to move downward, and the pyramidal rod contacts the inner wall of the stretch film roller to fix it, so as to prevent the stretch film roller from sliding on the outside of the component body 1 when in use. Then the moving component 105 is controlled to slide on the outside of the component body 1 to squeeze and fix the stretch film roller, and the pulling of the control component 108 is stopped, so that the spring pushes the inner plate and the control component 108 to move downward, and the control component 108 is inserted into the inside of the slot 104, so that the stretch film of any size can be fixed and installed conveniently and quickly.

[0028] In this article, there are a few points to note:

[0029] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0030] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0031] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A component with a quick change of stretch film size, characterized in that: include: The component body (1) is provided with a stretch film roller on the outside of the component body (1), the inner end of the component body (1) is connected to a stretch film packaging machine, the outer part of the component body (1) is provided with a freely movable moving component (105), the moving component (105) is provided with a freely sliding control component (108) through a control component (106) and an inner groove (107), the control component (108) is provided with sliding grooves on both sides, and an inner plate is fixed on the inner side of the control component (108) ; Limiting structure (2); The limiting structure (2) is mounted on the outside of the component body (1) and slides freely. A sliding structure (204) that can move freely up and down is installed at the bottom of the limiting structure (2) through a bottom groove (203). A limiting head (206) is fixed on the side of the sliding structure (204). A pyramidal rod is provided at the bottom of the outer end of the limiting head (206). The limiting head (206) and the pyramidal rod are inserted into the interior of the stretching film roller together, and the pyramidal rod contacts the inner wall of the stretching film roller.

2. The assembly with rapid change of stretch film size according to claim 1, characterized in that: The exterior of the component body (1) is provided with a freely rotatable fixing part (101), which is connected to a stretch film packaging machine. The inner end of the component body (1) is provided with a transmission gear (102), which is connected to a transmission mechanism and controls the rotation of the component body (1).

3. The assembly with rapid change of stretch film size according to claim 2, characterized in that: A guide groove (103) is provided above the front end of the component body (1), the interior of the moving component (105) is inserted into the interior of the guide groove (103), the interior bottom of the guide groove (103) is provided with evenly arranged card grooves (104), the top two sides of the card groove (104) are inclined structures, and the control component (108) is inserted into the interior of the card groove (104).

4. The assembly with rapid change of stretch film size according to claim 3, characterized in that: The outer side of the moving component (105) is provided with two symmetrically arranged control components (106), the control components (106) are inserted into the interior of the slide groove, the outer side of the moving component (105) is provided with an inner groove (107), the inner groove (107) is located between the two control components (106), the inner plate is inserted into the inner groove (107), a round rod with a spring on the outside is fixed inside the inner groove (107), the round rod passes through the inner plate, and the bottom end of the spring is in contact with the top of the inner plate.

5. The assembly with rapid change of stretch film size according to claim 4, characterized in that: A fixing plate (201) is provided on the side of the limiting structure (2), a bolt is inserted into the fixing plate (201) and fixedly connected to the component body (1), a guiding structure (202) is fixed on the bottom of the side of the limiting structure (2), and a spring is sleeved on the outside of the guiding structure (202).

6. The assembly with rapid change of stretch film size according to claim 5, characterized in that: The bottom of the limiting structure (2) is provided with a bottom groove (203), and a side groove is provided on both sides of the bottom groove (203). A sliding structure (204) that can slide freely up and down is inserted into the bottom groove (203), and control blocks (205) are provided on both sides of the sliding structure (204). The control blocks (205) are inserted into the side grooves and can slide freely up and down.

7. The assembly with rapid change of stretch film size according to claim 6, characterized in that: A force-bearing plate (207) is fixed on the side of the sliding structure (204), and the force-bearing plate (207) is sleeved on the outside of the guide structure (202). The bottom end of the spring contacts the top end of the force-bearing plate (207) and continuously pushes the force-bearing plate (207) to move downward. A pressure-bearing piece (208) is fixed on the bottom side of the sliding structure (204).