A packaging film delivery device with adaptive tension

Abstract

This application relates to the field of packing film conveying technology and discloses a packing film conveying device with adaptive tension, including a frame, an elastic component, and a guide component. This adaptive tension packing film conveying device achieves tension adaptation through the linkage design of the elastic component. When the tension of the packing film changes, the guide roller body drives the connecting rod to shift, causing the sleeve block to slide within the adjustment box and compress the telescopic spring. The reaction force generated by the spring deformation is transmitted to the guide roller body through the sleeve block, forming dynamic damping compensation. Furthermore, the position of the moving piece inside the adjustment box is adjustable; rotating the lead screw moves the moving piece within the adjustment box. Combined with the positioning cooperation of the scale groove and the guide block, millimeter-level precise setting of the initial tension is achieved. The guide groove constrains the vertical stroke of the moving piece, achieving stable adjustment of the moving piece's position. Moreover, the connector and positioning base give the elastic component a certain modular effect, optimizing the efficiency of later maintenance.

Description

Technical Field

[0001] This application relates to the field of packing film conveying technology, specifically a packing film conveying device with adaptive tension. Background Technology

[0002] Packaging film conveying devices are an important component of packaging machinery, widely used in logistics, warehousing, and other industries. With the rapid development of e-commerce and logistics, higher demands are being placed on the efficiency and stability of packaging film conveying.

[0003] Currently, most common packaging film conveying devices on the market use motor-driven rollers to convey packaging film. However, in actual use, due to changes in the material, thickness, and ambient temperature of the packaging film, the tension can easily become unstable during the conveying process, thus affecting the packaging effect.

[0004] In recent years, researchers have made various attempts to control the tension of packing film conveying devices, but most solutions still have problems such as complex structure, high cost or poor adaptability. In order to solve the above problems, a packing film conveying device with adaptive tension is proposed. Utility Model Content

[0005] To address the shortcomings of existing technologies, this application provides a packing film conveying device with adaptive tension. Under the action of the elastic component, it can easily compensate for the displacement difference that occurs when the packing film is subjected to uneven force, reduce the phenomenon of wrinkles in the packing film, and solve the problems mentioned in the background technology.

[0006] To achieve the above objectives, this application provides the following technical solution: a packing film conveying device with adaptive tension, comprising a frame, an elastic component, and a guiding component. The elastic component includes adjustment boxes installed on both sides of the inner wall of the frame. A movable piece is slidably fitted on the inner wall of each adjustment box. A telescopic spring is fixedly connected to one end of each movable piece. A sleeve block is fixedly connected to the other end of each telescopic spring. Two sleeve blocks are slidably fitted in the inner walls of two adjustment boxes respectively. A connecting rod is welded to one side of each sleeve block. Two connecting rods are slidably fitted in the inner walls of two adjustment boxes respectively. The guiding component includes a guide roller body. The two ends of the guide roller body are respectively installed at the front ends of two connecting rods.

[0007] Through the above scheme, the linkage design inside the elastic component can achieve tension self-adaptation. When the tension of the packaging film changes, the guide roller body drives the connecting rod to move, causing the sleeve block to slide in the adjustment box and compress the telescopic spring. The reaction force generated by the spring deformation is transmitted to the guide roller body through the sleeve block, forming dynamic damping compensation. This facilitates the compensation of displacement difference when the packaging film is subjected to uneven force, reducing the phenomenon of wrinkles in the packaging film. Furthermore, the position of the moving piece inside the adjustment box can be adjusted, enabling the initial tension to be set with millimeter-level precision. Therefore, the device has a simple structure, low cost, and high adaptability, solving the problems mentioned in the background technology.

[0008] Furthermore, each of the four corners of the adjustment box is fixedly connected to a positioning base, and the adjustment box is installed on the inner wall of the frame through the corresponding positioning base.

[0009] The above solution enables convenient assembly and disassembly of the adjustment box and the frame, facilitating timely maintenance and replacement of the adjustment box.

[0010] Furthermore, each of the connecting rods has a connector fixedly connected to its front end, and the two connecting rods are respectively connected to both ends of the guide roller body through two connectors.

[0011] The above solution enables convenient assembly and disassembly of the connecting rod and the guide roller body, facilitating regular maintenance or replacement of the guide assembly.

[0012] Furthermore, an anti-slip sleeve is fixedly connected to the outer surface of the guide roller body, and the anti-slip sleeve is preferably made of silicone.

[0013] The above solution can increase the friction on the surface of the guide roller, thereby improving the anti-slip effect on the conveying of the packaging film.

[0014] Furthermore, each of the adjustment boxes has a guide groove on its top, and each of the movable pieces has a guide block fixedly connected to its top. The two guide blocks are slidably fitted onto the inner walls of the two guide grooves respectively.

[0015] With the above solution, the guide block and guide groove work together to make the moving piece move more stably within the inner wall of the adjustment box, making it convenient to use.

[0016] Furthermore, each of the adjustment boxes has a scale groove on its top, which is located on both sides of the corresponding guide groove and is adapted to the guide block.

[0017] With the above scheme, the scale groove is matched with the guide block, which can control the distance the guide block moves, so as to make it easy to adjust the guide blocks on both sides to the same horizontal position, which is beneficial to the stable guiding and conveying work of the guide assembly.

[0018] Furthermore, a lead screw is rotatably sleeved on one side of each of the moving plates, and the two lead screws are respectively threaded into the inner walls of the two adjustment boxes.

[0019] With the above solution, when the lead screw rotates, it can drive the moving plate to move within the inner wall of the adjustment box, thereby applying pressure to the telescopic spring and ultimately achieving the effect of adjusting the adaptive force.

[0020] Furthermore, a knob is fixedly connected to the shaft end of each lead screw.

[0021] The above-mentioned design allows for an increase in the contact area at the end of the lead screw shaft, making it easier to turn the lead screw and thus easier to adjust the position of the moving plate.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] This adaptive tension packing film conveying device achieves tension adaptation through the linkage design of elastic components. When the tension of the packing film changes, the guide roller body drives the connecting rod to shift, causing the sleeve block to slide within the adjustment box and compress the telescopic spring. The reaction force generated by the spring deformation is transmitted to the guide roller body through the sleeve block, forming dynamic damping compensation. Furthermore, the position of the moving piece inside the adjustment box is adjustable; rotating the lead screw moves the moving piece within the adjustment box. Combined with the positioning cooperation of the scale groove and the guide block, the initial tension can be precisely set at the millimeter level. The guide groove constrains the vertical stroke of the moving piece, achieving stable adjustment of the moving piece's position. Moreover, the connector and positioning base enable the elastic components to have a certain modular effect, optimizing the efficiency of later maintenance. Therefore, this device has a simple structure, low cost, and high adaptability, solving the problems mentioned in the background technology. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall front view of the structure of this application;

[0025] Figure 2 This is a partial side view of the structure of this application.

[0026] Figure 3 This is a schematic diagram of the overall top view of the structure of this application;

[0027] Figure 4 This is a partial rear view structural diagram of the structure of this application;

[0028] Figure 5 This is a partial cross-sectional structural diagram of the structure of this application.

[0029] In the picture:

[0030] 1. Frame; 2. Elastic component; 201. Adjustment box; 202. Moving piece; 203. Telescopic spring; 204. Sleeve block; 205. Connecting rod; 206. Connector; 207. Guide groove; 208. Guide block; 209. Scale groove; 210. Lead screw; 211. Knob; 212. Positioning base; 3. Guide component; 301. Guide roller body; 302. Anti-slip sleeve. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Please see Figure 1 , Figure 4 and Figure 5 This embodiment of a packing film conveying device with adaptive tension includes a frame 1, an elastic component 2, and a guide component 3. The elastic component 2 includes adjustment boxes 201 installed on both sides of the inner wall of the frame 1. A movable piece 202 is slidably fitted on the inner wall of each adjustment box 201. A telescopic spring 203 is fixedly connected to one end of each movable piece 202, and a sleeve block 204 is fixedly connected to the other end of each telescopic spring 203. Two sleeve blocks 204 are slidably fitted in the inner walls of the two adjustment boxes 201, respectively. A connecting rod 205 is welded to one side of each sleeve block 204, and two connecting rods 205 are slidably fitted in the two adjustment boxes 201, respectively. In the inner wall, the guide assembly 3 includes a guide roller body 301. The two ends of the guide roller body 301 are respectively installed at the front ends of two connecting rods 205. An anti-slip sleeve 302 is fixedly connected to the outer surface of the guide roller body 301. The anti-slip sleeve 302 is preferably made of silicone. By limiting the material of the anti-slip sleeve 302, the friction of the surface of the guide roller body 301 can be increased, thereby improving the anti-slip effect on the conveying of the packaging film. Through the cooperation of the movable piece 202, the telescopic spring 203, the sleeve block 204 and the connecting rod 205, the guide assembly 3 can be adaptively tensioned, reducing the phenomenon of wrinkles in the packaging film and realizing the stable conveying of the packaging film.

[0033] Please see Figure 1 , Figure 2 and Figure 3Each adjustment box 201 has a positioning base 212 fixedly connected to its four corners. The adjustment box 201 is installed on the inner wall of the frame 1 through the corresponding positioning base 212, which enables convenient disassembly and assembly between the adjustment box 201 and the frame 1, facilitating timely maintenance and replacement of the adjustment box 201. Each connecting rod 205 has a connector 206 fixedly connected to its front end. The two connecting rods 205 are connected to the two ends of the guide roller body 301 through the two connectors 206 respectively, which enables convenient disassembly and assembly between the connecting rod 205 and the guide roller body 301, facilitating regular inspection or replacement of the guide assembly 3. Therefore, the modular installation between the frame 1, the elastic component 2, and the guide assembly 3 can be achieved through the connectors 206 and the positioning base 212, improving maintenance efficiency and making it more practical.

[0034] Please see Figure 3 , Figure 4 and Figure 5 Each adjustment box 201 has a guide groove 207 on its top, and each moving piece 202 has a guide block 208 fixedly connected to its top. The two guide blocks 208 are slidably fitted on the inner walls of the two guide grooves 207 respectively. The guide blocks 208 cooperate with the guide grooves 207 to enable the moving piece 202 to move more stably in the inner wall of the adjustment box 201, which is convenient to use. Each adjustment box 201 has a scale groove 209 on its top. The scale groove 209 is located on both sides of the corresponding guide groove 207 and is adapted to the guide block 208. The scale groove 209 is adapted to the guide block 208, which can control the distance of movement of the guide block 208, so as to make it easy to adjust the two guide blocks 208 to the same horizontal position, which is beneficial to the stable guiding and conveying work of the guide assembly 3.

[0035] Please see Figure 2 , Figure 3 and Figure 5 Each movable piece 202 has a lead screw 210 rotatably mounted on one side. The two lead screws 210 are threadedly connected to the inner walls of the two adjustment boxes 201. When the lead screw 210 rotates, it can drive the movable piece 202 to move in the inner wall of the adjustment box 201, thereby pressurizing the telescopic spring 203 and ultimately achieving the effect of adjusting the adaptive force. The adjustment of the movable pieces 202 on both sides can be aligned with the scale groove 209 and the guide block 208, which improves the adjustment accuracy. Each lead screw 210 has a knob 211 fixedly connected to its rotating shaft end. The knob 211 can increase the contact area of ​​the rotating shaft end of the lead screw 210, thereby making it easier to turn the lead screw 210 and thus making it easier to adjust the position of the movable piece 202.

[0036] In this embodiment, a packing film conveying device with adaptive tension achieves tension adaptation through the linkage design of the elastic component 2. When the tension of the packing film changes, the guide roller body 301 drives the connecting rod 205 to move, causing the sleeve block 204 to slide within the adjustment box 201 and compress the telescopic spring 203. The reaction force generated by the spring deformation is transmitted to the guide roller body 301 through the sleeve block 204, forming dynamic damping compensation. Furthermore, the position of the moving piece 202 inside the adjustment box 201 is adjustable. Rotating the lead screw 210 can drive the moving piece 202 to move within the adjustment box 201. Combined with the positioning cooperation of the scale groove 209 and the guide block 208, the initial tension can be precisely set at the millimeter level. The guide groove 207 constrains the vertical stroke of the moving piece 202, achieving stable adjustment of the position of the moving piece 202. Moreover, the elastic component 2 has a certain modular effect through the connector 206 and the positioning base 212, optimizing the efficiency of later maintenance. Therefore, this device has a simple structure, low cost, and high adaptability, solving the problems mentioned in the background art.

[0037] The working principle of the above embodiment is as follows: When the packaging film conveying device is working, the packaging film is conveyed around the surface of the anti-slip sleeve 302 of the guide roller body 301. When the film tension increases, the guide roller body 301 is pulled by the tension, causing the connecting rods 205 on both sides to move along the inner wall of the adjustment box 201, pushing the sleeve block 204 to compress the telescopic spring 203; at this time, the reverse force generated by the deformation of the telescopic spring 203 is transmitted to the connecting rod 205 through the sleeve block 204, and finally acts on the guide roller body 301 to form damping compensation. Conversely, when the tension decreases, the telescopic spring 203 releases its stored energy to push the sleeve block 204 to move, so that the connecting rod 205 pulls the guide roller body 301 to reset, maintaining the film tension. Therefore, by cooperating with the set elastic component 2 and guide component 3, the displacement difference that occurs when the packaging film is subjected to uneven force can be compensated, reducing the phenomenon of wrinkles in the packaging film. The initial tension setting is achieved by rotating the knob 211 to drive the lead screw 210, which in turn pushes the moving plate 202 to slide along the guide groove 207 to preload the telescopic spring 203. Combined with the positioning indication of the scale groove 209 and the guide block 208, customized tension loading is realized, thereby increasing the applicability of the device and making it more practical.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A packing film conveying device with adaptive tension, comprising a frame (1), an elastic component (2), and a guide component (3), characterized in that: The elastic component (2) includes adjustment boxes (201) installed on both sides of the inner wall of the frame (1). Each adjustment box (201) has a movable piece (202) slidably fitted on its inner wall. One end of each movable piece (202) is fixedly connected to a telescopic spring (203), and the other end of each telescopic spring (203) is fixedly connected to a sleeve block (204). The two sleeve blocks (204) are slidably fitted in the inner walls of the two adjustment boxes (201). One side of each sleeve block (204) is welded with a connecting rod (205). The two connecting rods (205) are slidably fitted in the inner walls of the two adjustment boxes (201). The guide component (3) includes a guide roller body (301). The two ends of the guide roller body (301) are respectively installed at the front ends of the two connecting rods (205).

2. The packing film conveying device with adaptive tension according to claim 1, characterized in that: Each of the four corners of the adjustment box (201) is fixedly connected to a positioning base (212), and the adjustment box (201) is installed on the inner wall of the frame (1) through the corresponding positioning base (212).

3. The packing film conveying device with adaptive tension according to claim 1, characterized in that: Each of the connecting rods (205) has a connector (206) fixedly connected to its front end, and the two connecting rods (205) are respectively connected to the two ends of the guide roller body (301) through the two connectors (206).

4. The packing film conveying device with adaptive tension according to claim 1, characterized in that: An anti-slip sleeve (302) is fixedly connected to the outer surface of the guide roller body (301), and the anti-slip sleeve (302) is made of silicone.

5. A packing film conveying device with adaptive tension according to claim 1, characterized in that: Each of the adjustment boxes (201) has a guide groove (207) on its top, and each of the moving pieces (202) has a guide block (208) fixedly connected to its top. The two guide blocks (208) are slidably sleeved on the inner walls of the two guide grooves (207).

6. A packing film conveying device with adaptive tension according to claim 5, characterized in that: Each of the adjustment boxes (201) has a scale groove (209) on its top. The scale groove (209) is located on both sides of the corresponding guide groove (207) and is adapted to the guide block (208).

7. A packing film conveying device with adaptive tension according to claim 1, characterized in that: Each of the movable pieces (202) has a lead screw (210) rotatably mounted on one side, and the two lead screws (210) are respectively threaded into the inner walls of the two adjustment boxes (201).

8. A packing film conveying device with adaptive tension according to claim 7, characterized in that: Each lead screw (210) has a knob (211) fixedly connected to its shaft end.

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