Bubble wrap folding device

Abstract

This application provides a bubble wrap folding device, relating to the field of plastic film bag making equipment technology. The bubble wrap folding device includes a feeding mechanism, a folding mechanism, and a discharging mechanism. A guide wheel assembly guides the direction of the bubble wrap. Specifically, the bubble wrap supplied by the feeding mechanism passes through a folding plate and is placed in a guide channel between the first and second guide wheels of the guide wheel assembly. This guide channel not only guides the direction of the bubble wrap but also helps to constrict and limit its movement. Finally, driven by the discharging mechanism, the folded bubble wrap is discharged. Compared to existing technologies that use guide surfaces to guide the bubble wrap, this embodiment utilizes a guide wheel assembly that not only guides the bubble wrap but also folds it, thus facilitating the folding of the bubble wrap along a predetermined path after folding.

Description

Technical Field

[0001] This application relates to the field of plastic film bag making equipment technology, specifically to a bubble wrap folding device. Background Technology

[0002] Bubble wrap is commonly used as the outer packaging for express delivery items. It is usually made by folding and sealing flat bubble wrap rolls or pearl cotton rolls. It has the advantages of being shock-resistant and preventing damage, and can reduce the impact of various improper operations on express delivery items during sorting and transportation.

[0003] In the production process of bubble wrap, a tripod is usually used to fold the bubble wrap. Specifically, when the bubble wrap passes through the tripod, the left and right sides of the bubble wrap are pulled down along the left and right sides of the tripod. As the pull continues, the bubble wrap forms a fold line at the intersection of the two sides of the tripod, and is finally pressed by the horizontal pressure roller below the intersection to form the folded packaging bag base material.

[0004] Considering that bubble wrap is prone to shifting when passing a tripod, making it difficult to fold the bubble wrap smoothly, related technologies usually set up guiding or limiting mechanisms, such as guide surfaces, to guide the bubble wrap to move along a preset path, thereby preventing the bubble wrap from tilting. However, although these related technologies can improve the problem of bubble wrap shifting to some extent, the problem of bubble wrap shifting along the guide surface still exists, resulting in poor guiding effect. Utility Model Content

[0005] The purpose of this application is to provide a bubble wrap folding device to improve the problem that bubble wrap tends to shift when folding bubble wrap in current bubble wrap folding devices.

[0006] This application provides a bubble wrap folding device, including: a feeding mechanism, a folding mechanism, and a discharging mechanism. The feeding mechanism supplies bubble wrap. The folding mechanism includes: a folding plate and a guide wheel assembly. The folding plate is located downstream of the feeding mechanism and is used to fold the bubble wrap. The guide wheel assembly is located downstream of the folding mechanism and includes: a first guide wheel and a second guide wheel. A gap exists between the circumferential surfaces of the first guide wheel and the second guide wheel to form a guide channel, which guides the folded bubble wrap. The discharging mechanism is located downstream of the folding mechanism and is used to drive the bubble wrap to discharge.

[0007] In one embodiment, the folding mechanism further includes a limiting block group located at the upstream end of the folding plate, the limiting block group being used to limit the bubble film and guide the bubble film to the folding plate.

[0008] In one embodiment, the limiting block group includes: a first limiting block and a second limiting block, both the first limiting block and the second limiting block being disposed on the folded plate, and a gap being formed between the first limiting block and the second limiting block to form a limiting channel, the limiting channel being used to limit the bubble film and to guide the bubble film to the folded plate.

[0009] In one embodiment, the first limiting block is movably disposed on the folding plate to change the width of the limiting channel.

[0010] In one embodiment, the first limiting block has a connecting portion and a limiting portion. One end of the connecting portion is connected to the folded plate, and the other end is connected to the limiting portion. The limiting portion has a limiting plane, which is parallel to the surface of the folded plate.

[0011] In one embodiment, the feeding mechanism includes a feeding device and a tensioning wheel, the tensioning wheel being located at the upstream end of the folding plate, the feeding device being located at the upstream end of the tensioning wheel, and the tensioning wheel being used to tension the bubble film.

[0012] In one embodiment, the discharging mechanism includes: a discharging wheel assembly, which is a driving wheel assembly, and a guiding wheel assembly, which is a driven wheel assembly. The discharging wheel assembly is located at the downstream end of the folding mechanism. The discharging wheel assembly includes: a first discharging wheel and a second discharging wheel. There is a gap between the circumferential surfaces of the first discharging wheel and the second discharging wheel to form a discharging channel. The discharging channel is used to guide the folded bubble film.

[0013] In one embodiment, the discharge mechanism further includes a wheel drive unit connected to the first discharge wheel, the wheel drive unit being used to drive the first discharge wheel to move, thereby changing the width of the discharge channel.

[0014] In one embodiment, the wheel drive includes an elastic element and a locking element. The elastic element is connected to the first discharge wheel and is used to adjust the position of the first discharge wheel. The locking element is connected to the elastic element and is used to lock the elastic element to fix the first discharge wheel.

[0015] In one embodiment, the width of the discharge channel is less than or equal to the width of the guide channel.

[0016] According to the bubble wrap folding device in the above embodiments, the direction of the bubble wrap is guided by a guide wheel assembly. Specifically, the bubble wrap supplied by the feeding mechanism passes through the folding plate and is placed in the guide channel between the first and second guide wheels of the guide wheel assembly. This guide channel can not only guide the direction of the bubble wrap, but also limit the bubble wrap by converging it. Finally, under the drive of the discharging mechanism, the folded bubble wrap is discharged through the discharging mechanism. Compared with the prior art scheme that uses a guide surface to guide the bubble wrap, the present embodiment uses a guide wheel assembly that can not only guide the bubble wrap, but also fold it. This facilitates guiding the bubble wrap to fold along the center position and move along a preset path after folding, thus improving the problem of bubble wrap deviation that easily occurs when folding bubble wrap in related technologies. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a bubble wrap folding device provided in an embodiment of this application.

[0018] Figure 2 This is a structural schematic diagram from another perspective of a bubble wrap folding device provided in an embodiment of this application.

[0019] Figure 3 This is a schematic diagram of the structure of the folding plate and the limiting block assembly in a bubble wrap folding device provided in an embodiment of this application.

[0020] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0021] Figure 5 for Figure 1 Enlarged view of point B in the middle.

[0022] Figure 6 for Figure 2 Enlarged view of point C in the middle.

[0023] in: 1. Bubble film folding device; 10. Feeding mechanism; 110. Feeding device; 120. Tensioning wheel; 20. Folding mechanism; 210. Folding plate; 220. Guide wheel assembly; 221. First guide wheel; 222. Second guide wheel; 223. Guide channel; 230. Limiting block assembly; 231. First limiting block; 2311. Connecting part; 2312. Limiting part; 232. Second limiting block; 233. Limiting channel; 30. Discharge mechanism; 310. Discharge wheel assembly; 311. First discharge wheel; 312. Second discharge wheel; 313. Discharge channel; 320. Wheel assembly drive component; 321. Elastic component; 322. Locking component. Detailed Implementation

[0024] The present application will be further described in detail below with reference to specific embodiments and accompanying drawings. Similar elements in different embodiments are referred to by associated similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0025] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0026] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0027] Please also refer to Figure 1 and Figure 2 This application provides a bubble wrap folding device 1, which can be used to fold bubble wrap and includes a feeding mechanism 10, a folding mechanism 20 and a discharging mechanism 30.

[0028] The feeding mechanism 10 is used to supply bubble film. This application does not limit the specific form and structure of the feeding mechanism 10. For example, in one embodiment, the feeding mechanism 10 may include a feeding device 110 and a tensioning wheel 120.

[0029] The feeding device 110 may contain bubble wrap to be folded. This application does not limit the specific form and structure of the feeding device 110. For example, in this embodiment, the feeding device 110 may be set as a circular structure, and the bubble wrap may be rolled inside the feeding device 110 to facilitate feeding. In some other embodiments, the feeding device 110 may also be set as a strip or square structure, etc., and can be set according to the actual situation.

[0030] The tensioning roller 120 can be located at the downstream end of the feeding device 110. The bubble film coming out of the feeding device 110 can be wrapped around the surface of the tensioning roller 120, and the tensioning roller 120 can be used to tension the bubble film, thereby ensuring that the subsequent folding process of the bubble film can be carried out smoothly.

[0031] Please also refer to Figure 1 and Figure 3 The folding mechanism 20 may include a folding plate 210 and a guide wheel assembly 220, wherein the folding plate 210 can be used to fold the bubble wrap, and the guide wheel assembly 220 can be used to guide the folded bubble wrap to avoid or reduce the possibility of the bubble wrap shifting.

[0032] In this embodiment, the folding plate 210 can be located downstream of the feeding mechanism 10, specifically downstream of the tensioning wheel 120. This embodiment does not limit the specific form and structure of the folding plate 210. For example, in one implementation, the folding plate 210 can be configured with a triangular surface, and the vertices of the triangle can be used to fold the bubble film. It should be noted that this embodiment does not limit the thickness of the folding plate 210; it can be set according to actual conditions.

[0033] Please also refer to Figure 2 and Figure 6 The guide wheel assembly 220 can be located downstream of the folding plate 210. After the bubble film passes through the folding plate 210, it can contact the guide wheel assembly 220 to guide and limit the bubble film. Specifically, in this embodiment, the guide wheel assembly 220 may include a first guide wheel 221 and a second guide wheel 222. A gap exists between the first guide wheel 221 and the second guide wheel 222 to form a guide channel 223. This guide channel 223 can be used to guide the folded bubble film. Specifically, the folded bubble film can pass through the guide channel 223 to guide and limit the bubble film. In a preferred embodiment, the gap is formed between the circumferential surfaces of the first guide wheel 221 and the second guide wheel 222. When the bubble film passes through the guide channel 223, its movement direction is the tangential direction of the circumferential surfaces of the first guide wheel 221 and the second guide wheel 222.

[0034] This application embodiment does not limit the width of the guide channel 223 described above. It can be set according to the actual situation. For example, in this embodiment, the width of the guide channel 223 can be set according to the thickness of the bubble wrap. The width of the guide channel 223 is not less than twice the thickness of the bubble wrap, so as to ensure that the bubble wrap can pass smoothly through the guide channel 223 after being folded.

[0035] It is understood that in some embodiments, the gap between the first guide wheel 221 and the second guide wheel 222 is adjustable, that is, the width of the guide channel 223 is adjustable. For example, in some embodiments, the first guide wheel 221 can be made detachable to facilitate the replacement of first guide wheels 221 of different sizes, thereby adjusting the width of the guide channel 223. In another embodiment, the first guide wheel 221 can be made movable relative to the second guide wheel 222, thereby adjusting the width of the guide channel 223, etc. The specific configuration can be determined according to the actual situation and is not limited here. It should be noted that the structure of the second guide wheel 222 can also be the same as that of the first guide wheel 221. For details, please refer to the foregoing description, which will not be repeated here.

[0036] Furthermore, this application embodiment does not set the number of guide wheel sets 220. For example, in some embodiments, multiple sets of guide wheel sets 220 can be provided, and adjacent guide wheel sets 220 can be evenly distributed along the path of the folding plate 210 pointing to the discharge mechanism 30.

[0037] Please also refer to Figure 1 , Figure 3 and Figure 4 Furthermore, in one embodiment, the folding mechanism 20 may further include a limiting block group 230. The limiting block group 230 may be located upstream of the folding plate 210 and downstream of the tensioning wheel 120. After the bubble wrap passes the tensioning wheel 120, it may first pass through the limiting block group and then cover the surface of the folding plate 210 for subsequent folding operations. In this embodiment, the limiting block group 230 can be used to limit the bubble wrap, that is, before the bubble wrap is folded, it is guided and limited to avoid or reduce the possibility of subsequent bubble wrap displacement, thereby improving the smoothness and efficiency of bubble wrap folding.

[0038] It should be noted that the specific number of the limiting block group 230 is not limited in the embodiments of this application. For example, in one embodiment, the limiting block group 230 can be set as multiple groups, and adjacent limiting block groups 230 can be evenly distributed along the path from the tensioning wheel 120 to the folding plate 210.

[0039] In one specific embodiment, the limiting block group 230 may include a first limiting block 231 and a second limiting block 232. Both the first limiting block 231 and the second limiting block 232 are disposed on the folding plate 210, so that the bubble film can contact the folding plate 210 immediately after being guided and limited. There may be a gap between the first limiting block 231 and the second limiting block 232 to form a limiting channel 233. The limiting channel 233 can be used to limit the bubble film and guide the bubble film to the folding plate 210. In a preferred embodiment, the thickness of the limiting first limiting block 231 and the limiting block 232 can be set to be greater than the thickness of the bubble film to avoid or reduce the possibility of the bubble film shifting outside the limiting block group 230. Furthermore, the width of the limiting channel 233 is not less than the width of the bubble wrap, so as to ensure that the limiting channel 233 can play a good limiting effect on the bubble wrap. It is understood that the width of the limiting channel 233 should not be set too large. Preferably, the width of the limiting channel 233 can be set to be slightly larger than the width of the bubble wrap.

[0040] Furthermore, in one embodiment, the first limiting block 231 can be movably disposed on the folding plate 210 to change the width of the limiting channel 233, thereby enabling the entire bubble wrap folding device 1 to accommodate more sizes of bubble wrap. Similarly, the second limiting block 232 can also be movably disposed on the folding plate 210.

[0041] It should be noted that the embodiments of this application do not limit the specific structure and form of the first limiting block 231 and the second limiting block 232. Taking the first limiting block 231 as an example, in one embodiment, the first limiting block 231 may have: a connecting part 2311 and a limiting part 2312. One end of the connecting part 2311 is connected to the folding plate 210, and the other end is connected to the limiting part 2312. The limiting part 2312 has a limiting plane, which is disposed opposite to the surface of the folding plate 210 and parallel to the surface of the folding plate 210. This allows the bubble film to pass between the limiting part 2312 and the folding plate 210, and the limiting part 2312 is used to limit the displacement of the bubble film on the surface perpendicular to the folding plate 210, thereby further limiting and guiding the bubble film. This application does not limit the specific form of the limiting part 2312 and the connecting part 2311. For example, in this embodiment, the limiting part 2312 and the connecting part 2311 can be set to an "L" shape. In some other embodiments, they can also be set according to actual needs.

[0042] Please also refer to Figure 1 , Figure 2 and Figure 5In this embodiment, the discharging mechanism 30 may include a discharging wheel assembly 310, which is located at the downstream end of the mechanism, specifically at the downstream end of the guide wheel assembly 220. The discharging wheel assembly 310 is used to provide power to drive the bubble film to move. In this embodiment, the discharging wheel assembly 310 may include a first discharging wheel 311 and a second discharging wheel 312. There is a gap between the circumferential surfaces of the first discharging wheel 311 and the second discharging wheel 312 to form a discharging channel 313. The discharging channel 313 can be used to guide the folded bubble film.

[0043] It should be noted that in this embodiment, the discharge wheel assembly 310 is the driving wheel assembly, and the guide wheel assembly 220 is the driven wheel assembly. Since the discharge wheel assembly 310 needs to provide driving force to the bubble film, the first discharge wheel 311 and the second discharge wheel 312 need to clamp the bubble film. That is to say, in this embodiment, the width of the discharge channel 313 is less than or equal to the width of the guide channel 223, and the width of the discharge channel 313 can be set to be slightly less than twice the thickness of the bubble film. This allows the folded bubble film to be squeezed by the first discharge wheel 311 and the second discharge wheel 312 in the discharge channel 313, thereby ensuring that the discharge wheel assembly 310 can stably provide driving force to the bubble film.

[0044] Furthermore, in one embodiment, the discharge mechanism 30 may also include a wheel drive 320, which can be used to adjust the distance between the first discharge wheel 311 and the second discharge wheel 312, thereby adjusting the length of the discharge channel 313 to accommodate bubble films of different thicknesses.

[0045] This application does not limit the specific form and mechanism of the wheel drive component 320. For example, in one embodiment, the wheel drive component 320 may include an elastic element 321 and a locking element 322. The elastic element 321 is connected to the first discharge wheel 311 and is used to adjust the position of the first discharge wheel 311. The locking element 322 is connected to the elastic element 321 and is used to lock the elastic element 321 to fix the first discharge wheel 311, which allows for convenient operation when changing bubble wrap. Specifically, the user can push the elastic element 321 to place the first discharge wheel 311 in a preset position. At this time, the user can use the locking element to lock the elastic element 321, thereby fixing the first discharge wheel 311 in the preset position.

[0046] It should be noted that in some other embodiments, the elastic element 321 can also be connected to the second discharge wheel 312. For example, in some other embodiments, both the first discharge wheel 311 and the second discharge wheel 312 can be provided with an elastic element 321 connected to them and a locking element 322 for locking the elastic element 321. In this way, the first discharge wheel 311 and the second discharge wheel 312 can be adjusted at the same time. For specific connection and setting methods, please refer to the relevant description of the first discharge wheel 311 above, which will not be repeated here.

[0047] In summary, according to the bubble wrap folding device 1 in the above embodiments, the direction of the bubble wrap is guided by the guide wheel group 220. Specifically, the bubble wrap supplied by the feeding mechanism 10 passes through the folding plate 210 and is placed in the guide channel 223 between the first guide wheel 221 and the second guide wheel 222 of the guide wheel group 220. The guide channel 223 can not only guide the direction of the bubble wrap, but also play a role in converging and limiting the bubble wrap. Finally, under the drive of the discharging mechanism 30, the folded bubble wrap is discharged by the discharging mechanism 30. Compared with the existing technology that uses a guide surface to guide the bubble wrap, the present application embodiment uses the guide wheel group 220 to not only guide the bubble wrap, but also fold it. This is beneficial to guide the bubble wrap to be folded at the center position and move along a preset path after folding, thus improving the problem of bubble wrap deviation that easily occurs when folding bubble wrap in the related technology bubble wrap folding device 1.

[0048] The above examples illustrate this application only to aid understanding and are not intended to limit its scope. Those skilled in the art to which this application pertains can make various simple deductions, modifications, or substitutions based on the ideas presented.

Claims

1. A bubble wrap folding device, characterized in that, include: The feeding mechanism is used to supply bubble film; A folding mechanism, comprising: a folding plate and a guide wheel assembly, wherein the folding plate is located downstream of the feeding mechanism and is used to fold bubble wrap; the guide wheel assembly is located downstream of the folding mechanism and comprises: a first guide wheel and a second guide wheel, wherein a gap exists between the circumferential surfaces of the first guide wheel and the second guide wheel to form a guide channel for guiding the folded bubble wrap; and The discharging mechanism is located downstream of the folding mechanism and is used to drive the bubble film to be discharged.

2. The bubble wrap folding device as described in claim 1, characterized in that, The folding mechanism further includes a limiting block group located at the upstream end of the folding plate. The limiting block group is used to limit the bubble film and guide the bubble film to the folding plate.

3. The bubble wrap folding device as described in claim 2, characterized in that, The limiting block group includes a first limiting block and a second limiting block. Both the first limiting block and the second limiting block are disposed on the folded plate. There is a gap between the first limiting block and the second limiting block to form a limiting channel. The limiting channel is used to limit the bubble film and to guide the bubble film to the folded plate.

4. The bubble wrap folding device as described in claim 3, characterized in that, The first limiting block is movably disposed on the folding plate to change the width of the limiting channel.

5. The bubble wrap folding device as described in claim 3, characterized in that, The first limiting block has a connecting part and a limiting part. One end of the connecting part is connected to the folded plate, and the other end is connected to the limiting part. The limiting part has a limiting plane, which is parallel to the surface of the folded plate.

6. The bubble wrap folding device as described in claim 1, characterized in that, The feeding mechanism includes a feeding device and a tensioning wheel. The tensioning wheel is located at the upstream end of the folding plate, and the feeding device is located at the upstream end of the tensioning wheel. The tensioning wheel is used to tension the bubble film.

7. The bubble wrap folding device as described in claim 1, characterized in that, The discharge mechanism includes: a discharge wheel assembly, which is a driving wheel assembly and a guide wheel assembly, which is a driven wheel assembly. The discharge wheel assembly is located at the downstream end of the folding mechanism. The discharge wheel assembly includes: a first discharge wheel and a second discharge wheel. There is a gap between the circumferential surfaces of the first discharge wheel and the second discharge wheel to form a discharge channel. The discharge channel is used to guide the folded bubble film.

8. The bubble wrap folding device as described in claim 7, characterized in that, The discharge mechanism further includes a wheel drive component, which is connected to the first discharge wheel and is used to drive the first discharge wheel to move, thereby changing the length of the discharge channel.

9. The bubble wrap folding device as described in claim 8, characterized in that, The wheel drive includes an elastic element and a locking element. The elastic element is connected to the first discharge wheel and is used to adjust the position of the first discharge wheel. The locking element is connected to the elastic element and is used to lock the elastic element to fix the first discharge wheel.

10. The bubble wrap folding device as described in claim 7, characterized in that, The width of the discharge channel is less than or equal to the width of the guide channel.

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