A slitting device for sealing plastic packaging tape
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2026-08-11
AI Technical Summary
[0005]本实用新型的目的在于提供一种密封件塑料包装带的分卷装置，在分卷完成后利用重力实现小卷塑料包装带的主动输出，避免因人工抽拉卷筒而导致的操作繁琐以及耗费人力的问题，有效提高分卷效率，以解决上述背景技术中提出的分卷过程中，每完成一小卷的分卷后，操作人员都需要手动对收卷轴外部的卷筒进行抽拉，以便将卷筒由收卷轴上取下，由于抽拉距离较长，不仅操作较为繁琐，同时整体过程较为费力，对于分卷效率的影响较大的问题
[0016]This invention features a rear-flipping rewinding mechanism. After rewinding, the plastic packaging tape extending from the large roll is cut off. The locking pin is then pulled out from the locking hole, causing the movable flap to rotate counter-clockwise around the pin. The rear end of the rewinding shaft tilts backward under the influence of the flap. The sleeve, which is fixed to the outside of the rewinding shaft by friction, slides down into the guide groove under gravity and then along it. Compared to existing technologies, this invention utilizes gravity to actively output the small rolls of plastic packaging tape after rewinding, avoiding the cumbersome operation and labor costs associated with manually pulling the roll, thus effectively improving rewinding efficiency.
Smart Images
Figure CN224619215U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic packaging tape processing technology, and in particular to a slitting device for sealing plastic packaging tape. Background Technology
[0002] The normal operation of bearings in large mechanical equipment relies on the installation of large-scale seals. Therefore, the transportation, packaging and storage requirements for seals of all sizes are extremely strict. In the current technology, large-scale seals are mostly packaged by continuously winding plastic packaging tape. To facilitate use, after purchasing large rolls of packaging tape from packaging tape manufacturers, seal manufacturers need to divide the large rolls into multiple smaller rolls with relatively smaller diameters.
[0003] During the slitting process, after each small roll is slitted, the operator needs to manually pull the roll outside the take-up shaft to remove it from the shaft. Due to the long pulling distance, the operation is not only cumbersome, but the whole process is also quite laborious, which has a significant impact on slitting efficiency.
[0004] Therefore, it is necessary to invent a rewinding device for sealing plastic packaging tape to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide a slitting device for sealing plastic packaging tape. After slitting, gravity is used to actively output the small rolls of plastic packaging tape, avoiding the cumbersome operation and labor-intensive problems caused by manually pulling the roll. This effectively improves slitting efficiency and solves the problem mentioned in the background art that after each small roll is slitted, the operator needs to manually pull the roll outside the take-up shaft to remove it from the take-up shaft. Due to the long pulling distance, the operation is not only cumbersome, but the whole process is also laborious, which has a significant impact on slitting efficiency.
[0006] According to one aspect of this disclosure, the following technical solution is provided: a rewinding device for sealing plastic packaging tape, comprising:
[0007] An inclined support mechanism is used to provide an inclined mounting base for the unwinding mechanism and the rewindable mechanism;
[0008] An unwinding mechanism for unwinding plastic packaging tape; and
[0009] A retractable winding mechanism includes an extension plate fixedly mounted on the right side of an adjacent support plate. The extension plate has a mounting groove on its top right side. A movable flap is rotatably nested inside the mounting groove via a pin. A locking hole is penetrating the bottom side of the movable flap. A locking pin extending to the inside of the locking hole is slidably penetrating the bottom right side of the extension plate. A winding shaft is rotatably mounted on the front side of the movable flap via a bearing. A rough surface is provided at the rear end of the outer side of the winding shaft. A drum is detachably sleeved on the outer side of the winding shaft and fixed by friction through the rough surface. A limiting ring B for supporting and limiting the drum is fixedly sleeved at the middle of the outer side of the winding shaft. A manual turntable is fixedly sleeved at the front end of the outer side of the winding shaft.
[0010] According to at least one embodiment of the sealing plastic packaging tape of the present disclosure, the tilting support mechanism includes a tilting bracket, a guide groove is provided on the top right side of the tilting bracket, and a fixed base plate is fixedly provided at the bottom of the tilting bracket.
[0011] According to at least one embodiment of the sealing plastic packaging tape slitting device of the present disclosure, two parallel support plates are fixedly arranged on the top left side of the inclined bracket, and a support slot is provided at the top center of each support plate.
[0012] According to at least one embodiment of the present disclosure, a slitting device for sealing plastic packaging tape includes an unwinding mechanism comprising an unwinding roller, on the outside of which a large roll of packaging tape is detachably sleeved.
[0013] According to at least one embodiment of the sealing plastic packaging tape slitting device of the present disclosure, a limiting ring A for supporting and limiting the large roll of packaging tape is fixedly sleeved at the outer front end of the unwinding roller.
[0014] According to at least one embodiment of the sealing plastic packaging tape slitting device of the present disclosure, both ends of the unwinding roller are provided with T-shaped locking blocks through bearings, and the two T-shaped locking blocks are respectively located inside two support slots.
[0015] The technical effects and advantages of this utility model are as follows:
[0016] This invention features a rear-flipping rewinding mechanism. After rewinding, the plastic packaging tape extending from the large roll is cut off. The locking pin is then pulled out from the locking hole, causing the movable flap to rotate counter-clockwise around the pin. The rear end of the rewinding shaft tilts backward under the influence of the flap. The sleeve, which is fixed to the outside of the rewinding shaft by friction, slides down into the guide groove under gravity and then along it. Compared to existing technologies, this invention utilizes gravity to actively output the small rolls of plastic packaging tape after rewinding, avoiding the cumbersome operation and labor costs associated with manually pulling the roll, thus effectively improving rewinding efficiency. Attached Figure Description
[0017] The accompanying drawings illustrate exemplary embodiments of the present disclosure and, together with the description thereof, serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.
[0018] Figure 1 This is a schematic diagram of the overall structure of a rewinding device for a sealing plastic packaging tape according to one embodiment of the present disclosure.
[0019] Figure 2 This is a schematic diagram of the tilting support mechanism and the unwinding mechanism of a sealing plastic packaging tape slitting device according to one embodiment of the present disclosure.
[0020] Figure 3 This is a schematic diagram of the rewinding mechanism of a sealing plastic packaging tape slitting device according to one embodiment of the present disclosure.
[0021] The specific labels in the attached figures are as follows:
[0022] 1. Inclined support mechanism; 11. Inclined bracket; 12. Guide groove; 13. Fixed base plate; 14. Support plate; 15. Support slot;
[0023] 2. Unwinding mechanism; 21. Unwinding roller; 22. Packaging tape roll; 23. Limiting ring A; 24. T-shaped locking block;
[0024] 3. Reverse-flipping rewind mechanism; 31. Extension plate; 32. Mounting slot; 33. Movable flip plate; 34. Locking hole; 35. Locking pin; 36. Rewind shaft; 37. Limit ring B; 38. Manual turntable. Detailed Implementation
[0025] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” other components or features would subsequently be positioned “above” said other components or features. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.
[0026] Figure 1 This is a schematic diagram of the overall structure of a rewinding device for a sealing plastic packaging tape according to one embodiment of the present disclosure.
[0027] Figure 2 This is a schematic diagram of the tilting support mechanism 1 and the unwinding mechanism 2 of a sealing plastic packaging tape slitting device according to one embodiment of the present disclosure.
[0028] Figure 3 This is a schematic diagram of the rewinding mechanism 3 of a sealing plastic packaging tape slitting device according to one embodiment of the present disclosure.
[0029] like Figures 1-3 As shown, the sealing plastic packaging tape unwinding device disclosed herein may include components such as: an inclined support mechanism 1, an unwinding mechanism 2, and a rewinding mechanism 3 that can be flipped back.
[0030] like Figure 2 As shown in this disclosure, the inclined support mechanism 1 includes an inclined bracket 11, which is welded from Q235 low carbon steel plate and has an overall inclined structure that is "higher at the back and lower at the front". The inclined angle is 15°. A guide groove 12 is provided on the right side of the top of the inclined bracket 11. The groove width is 5mm larger than the diameter of the drum to ensure that the drum can pass smoothly. A 0.5mm thick polyethylene wear-resistant pad is pasted in the groove to reduce friction damage when the drum slips and reduce noise. A fixed base plate 13 is fixedly provided at the bottom of the inclined bracket 11. Two parallel support plates 14 are fixedly provided on the left side of the top of the inclined bracket 11. A support slot 15 is provided at the center of the top of each support plate 14.
[0031] Therefore, the inclined bracket 11 with an inclined top surface is used to support the unwinding mechanism 2 and the rewinding mechanism 3, so that after the packaging tape roll 22 is sleeved on the outside of the unwinding roller 21, it can be supported on the top of the limiting ring A23 under the action of gravity, and after the drum is sleeved on the outside of the take-up shaft 36, it can be supported on the top of the limiting ring B37 under the action of gravity, thereby ensuring the alignment of the drum and the packaging tape roll 22.
[0032] like Figure 2 As shown, in a preferred embodiment, the unwinding mechanism 2 includes an unwinding roller 21, made of No. 45 round steel with chrome plating to improve wear resistance and extend service life. A large roll of packaging tape 22, which is the raw material to be unwound, is detachably sleeved on the outside of the unwinding roller 21. Its inner hole is directly sleeved on the outside of the unwinding roller 21. The weight of a single roll does not exceed 50kg. The material is polyethylene or polypropylene, which is a common plastic tape used for sealing packaging. A limiting ring A23 is fixedly sleeved at the front end of the outside of the unwinding roller 21 to support and limit the large roll of packaging tape 22. Made of PVC plastic injection molding to avoid scratching the packaging tape. Its function is to limit the axial displacement of the large packaging tape roll 22 and prevent the large packaging tape roll 22 from running off-center during unwinding. Both ends of the unwinding roller 21 are equipped with T-shaped locking blocks 24 through bearings. The two T-shaped locking blocks 24 are located inside the two support slots 15 respectively. The T-shaped locking blocks 24 are made of nylon material, which is lightweight, wear-resistant and has no metallic noise. The head width of the T-shaped locking block 24 is 15mm larger than the opening width of the support slot 15, which can prevent the unwinding roller 21 from falling out of the slot under the action of gravity.
[0033] Therefore, when the large roll of packaging tape 22 rotates due to the traction of the rewinding mechanism 3, the large roll of packaging tape 22 continuously outputs plastic packaging tape. During this process, the large roll of packaging tape 22 drives the unwinding roller 21 to rotate between the two limiting rings A23. After the large roll of packaging tape 22 is used up, the two T-shaped blocks 24 are simultaneously pulled upwards, so that the two T-shaped blocks 24 are removed from the inside of the two support slots 15 respectively. Then, the used large roll of packaging tape 22 is slid out from the outside of the unwinding roller 21, and a new large roll of packaging tape 22 is reattached. Then, the two T-shaped blocks 24 are inserted into the inside of the two support slots 15 respectively for limiting.
[0034] like Figure 3As shown in this disclosure, the retractable winding mechanism 3 includes an extension plate 31 fixedly mounted on the right side of an adjacent support plate 14. An installation groove 32 is provided on the top right side of the extension plate 31. A movable flap 33, a rectangular steel plate, is rotatably nested within the installation groove 32 via a pin. The flap 33 is connected to the installation groove 32 via a stainless steel pin. Lubricant is applied to the connection between the pin and the movable flap 33 to ensure smooth rotation without jamming. A locking hole 34 is provided through the bottom side of the movable flap 33. A locking pin 35, made of stainless steel, is slidably provided through the bottom right side of the extension plate 31, extending to the inside of the locking hole 34. The locking pin 35 is interference-fitted with the locking hole 34 to ensure stable locking. A circular pull ring is welded to the tail for easy insertion and removal. The front of the movable flap 33 is rotatably connected via a bearing. A take-up shaft 36 is provided, which is machined from No. 45 round steel. Its diameter is 2-3mm smaller than the inner hole of the drum, which facilitates the connection of the drum. The outer rear end of the take-up shaft is sandblasted to form a rough surface (roughness Ra50-80). Through the friction between the rough surface and the inner hole of the drum, the drum rotates synchronously with the take-up shaft during winding. At the same time, it ensures that after slitting, the drum can be separated from the rough surface under the action of gravity. The drum is detachably sleeved on the outer side of the take-up shaft 36 and is fixed by friction through the rough surface. A limiting ring B37 for supporting and limiting the drum is fixedly sleeved in the middle of the outer side of the take-up shaft 36. A manual turntable 38 is fixedly sleeved at the front end of the outer side of the take-up shaft 36. It is made of ABS plastic injection molding and has anti-slip texture on the surface to prevent the operator's hand from slipping when rotating.
[0035] Therefore, at the start of the winding process, the drum is sleeved onto the outside of the take-up shaft 36 from the rear end. At this time, the drum is fixed to the outside of the take-up shaft 36 by friction. Then, the plastic packaging tape on the large roll 22 is pulled and its end is wound around the outside of the drum several times to fix it. Then, the manual turntable 38 is continuously rotated clockwise. The manual turntable 38 drives the drum to rotate through the take-up shaft 36, thereby winding the plastic packaging tape. After forming a small roll of the preset size, the plastic packaging tape extending from the large roll 22 is cut off, and then the locking pin is... 35 is pulled out from the inside of the locking hole 34. At this time, the movable flap 33 rotates counterclockwise around the pin. The rear end of the take-up shaft 36 tilts backward under the action of the movable flap 33. At this time, the sleeve that is sleeved on the outside of the take-up shaft 36 and fixed by friction slides down into the inside of the guide groove 12 under the action of gravity, and then slides down along the guide groove 12. Compared with the prior art, this utility model uses gravity to realize the active output of small rolls of plastic packaging tape after the winding is completed, avoiding the cumbersome operation and labor consumption caused by manually pulling the roll, and effectively improving the winding efficiency.
[0036] It should also be noted that any content not described in detail in this specification is prior art known to those skilled in the art.
[0037] Those skilled in the art should understand that the above embodiments are merely for illustrating the present disclosure and are not intended to limit the scope of the disclosure. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present disclosure.
Claims
1. A rewinding device for sealing plastic packaging tape, characterized in that, include: An inclined support mechanism is used to provide an inclined mounting base for the unwinding mechanism and the rewindable mechanism; An unwinding mechanism for unwinding plastic packaging tape; as well as A retractable winding mechanism includes an extension plate fixedly mounted on the right side of an adjacent support plate. The extension plate has a mounting groove on its top right side. A movable flap is rotatably nested inside the mounting groove via a pin. A locking hole is penetrating the bottom side of the movable flap. A locking pin extending to the inside of the locking hole is slidably penetrating the bottom right side of the extension plate. A winding shaft is rotatably mounted on the front side of the movable flap via a bearing. A rough surface is provided at the rear end of the outer side of the winding shaft. A drum is detachably sleeved on the outer side of the winding shaft and fixed by friction through the rough surface. A limiting ring B for supporting and limiting the drum is fixedly sleeved at the middle of the outer side of the winding shaft. A manual turntable is fixedly sleeved at the front end of the outer side of the winding shaft.
2. The rewinding device for sealing plastic packaging tape according to claim 1, characterized in that: The tilting support mechanism includes a tilting bracket, a guide groove is provided on the top right side of the tilting bracket, and a fixed base plate is fixedly provided at the bottom of the tilting bracket.
3. The rewinding device for sealing plastic packaging tape according to claim 2, characterized in that: Two parallel support plates are fixedly installed on the top left side of the inclined bracket, and a support slot is opened at the top center of each support plate.
4. The rewinding device for sealing plastic packaging tape according to claim 3, characterized in that: The unwinding mechanism includes an unwinding roller, and a large roll of packaging tape is detachably sleeved on the outside of the unwinding roller.
5. The rewinding device for sealing plastic packaging tape according to claim 4, characterized in that: The outer front end of the unwinding roller is fixedly fitted with a limiting ring A for supporting and limiting the large roll of packaging tape.
6. The rewinding device for sealing plastic packaging tape according to claim 5, characterized in that: Both ends of the unwinding roller are fitted with T-shaped locking blocks via bearings, and the two T-shaped locking blocks are located inside the two support slots respectively.