CN219116858U

CN219116858U - Plastic core cardboard type winding reel

Info

Publication number: CN219116858U
Application number: CN202220580829.3U
Authority: CN
Inventors: 徐娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2023-06-02
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a plastic core paper board type winding disc, which comprises an end plate and a mandrel, wherein the mandrel is integrally formed by plastic material through injection molding, the end plates are arranged at the two ends of the mandrel, the end plate is in a ring shape formed by manufacturing corrugated paper boards, a locking plate is arranged at the outer side of the end plate, and the installed end plate is locked through the locking plate; the core shaft comprises a cylindrical core barrel, wherein one side of the outer peripheral surface of the core barrel is inwards concave to form an end clamping groove, the core barrel is provided with an inner core post, the middle part of the inner core post is connected with the inner cavity wall of the core barrel through a connecting plate, and a limiting guide barrel is arranged on the connecting plate. The structure is reasonable, the manufacturing cost is low, and the use effect is good after the scheme is adopted.

Description

Plastic core cardboard type winding reel

Technical Field

The utility model relates to the technical field of winding reels, in particular to a plastic core paperboard type winding reel.

Background

The winding reel is mainly used for winding strip-shaped and strip-shaped materials, so that the winding and transportation of the strip-shaped materials are facilitated, the traditional winding reel is mainly two types, one type of winding reel is an all-plastic product, the manufacturing cost of the winding reel is high, the use cost of enterprises can be greatly increased, the other type of winding reel is an all-paper winding reel, the manufacturing cost of the winding reel is low, the mandrel is softer and easy to deform, and meanwhile, a plurality of layers of paperboards are required to be bonded on the manufacturing mandrel, and the glue is more to use and easy to cause pollution during bonding.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the plastic core paperboard type winding reel which is reasonable in structure, low in manufacturing cost and good in using effect.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the plastic core paper board type winding disc comprises an end plate and a mandrel, wherein the mandrel is integrally formed by plastic material through injection molding, the end plates are arranged at the two ends of the mandrel, the end plate is in a ring shape formed by manufacturing corrugated boards, a locking plate is arranged at the outer side of the end plate, and the installed end plate is locked through the locking plate; the core shaft comprises a cylindrical core barrel, wherein one side of the outer peripheral surface of the core barrel is inwards concave to form an end clamping groove, the core barrel is provided with an inner core post, the middle part of the inner core post is connected with the inner cavity wall of the core barrel through a connecting plate, and a limiting guide barrel is arranged on the connecting plate.

The inner leg is cylindrical, the outer peripheral surface of the inner leg is provided with raised limit ribs with the number more than 2, and clamping positions extend from the outer peripheral surface of the top of the inner leg between adjacent limit ribs.

The lock plate is in a circular ring shape, the inner ring of the lock plate is a core column sleeve hole, U-shaped outer limit grooves are formed in the edges of the core column sleeve hole, the number of the U-shaped outer limit grooves is matched with that of the limit ribs, step-shaped clamping grooves are formed in the surfaces of the lock plates at the edges of the core column sleeve holes between the adjacent U-shaped outer limit grooves, and cylindrical embedded columns are formed in the bottoms of the lock plates.

The ring surface of the end plate is provided with a ventilation groove and a winding clamping groove, a guide groove is formed by extending outwards from the edge of the inner hole of the end plate, and a guide post hole is formed in the end plate outside the inner hole of the end plate; the ventilation grooves are fan-shaped, the number of the ventilation grooves is 2 or more, the ventilation grooves are uniformly distributed by taking the center of the end plate as the center of a circle, and the winding clamping grooves are in a long strip shape and are distributed from inside to outside.

According to the scheme, after the mandrel is vertically arranged on the table top, one end plate is arranged at the top of the mandrel, the inner core column penetrates through an inner hole of the end plate, the limiting rib is embedded with the guide groove, the end plate is positioned (the top of the inner core column is slightly higher than the top surface of the core barrel), the locking plate is held by the hand, the embedded column is positioned at the bottom, the embedded column is aligned with the guide column hole, the locking plate is pressed downwards, the embedded column penetrates through the guide column hole and then is inserted into the limiting guide barrel, the surface of the inner core column is continuously pressed downwards, the surface of the inner core column is flush with the surface of the locking plate, at the moment, the clamping position penetrates through the sleeve hole of the core column and is embedded with the clamping groove (the outer end surface of the clamping position adopts arc smooth transition according to requirements), and the locking of the end plate is realized after the embedding; the mandrel and the assembled end plate are turned over, the other end of the mandrel is installed, the installation mode is consistent with the action, the winding disc with the side view being I-shaped is formed at last, the end clamping groove is used for limiting the inner end of the wound material when the winding is performed, the belt winding clamping groove is used for limiting the outer end of the wound material, the end plate is torn open after the wound material is used, the mandrel is separated, the mandrel can be continuously split for recycling, and the winding disc is reasonable in structure, low in manufacturing cost and good in using effect after the scheme is adopted.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of an end plate annulus structure of the present utility model.

Fig. 3 is a schematic diagram of a mandrel structure according to the present utility model.

Fig. 4 is a schematic diagram of a detent structure of the present utility model.

Detailed Description

The utility model is further described below with reference to all drawings, in which preferred embodiments of the utility model are: referring to fig. 1 to 4, a plastic core cardboard type winding reel according to the present embodiment includes an end plate 1 and a mandrel 2, wherein the mandrel 2 is integrally formed by injection molding of plastic materials, the end plate 1 is installed at two ends of the mandrel 2, the end plate 1 is in a ring shape formed by manufacturing corrugated cardboard, a locking plate 7 is arranged at the outer side of the end plate 1, and the installed end plate 1 is locked by the locking plate 7; the lock plate 7 is in a circular ring shape, the inner ring of the lock plate is a stem sleeve hole, the number of U-shaped outer limit grooves 8,U formed in the edge of the stem sleeve hole is matched with the number of the limit ribs 14, the surface of the lock plate 7 at the edge of the stem sleeve hole between the adjacent U-shaped outer limit grooves 8 is provided with a stepped clamping groove 9, and the bottom of the lock plate 7 is provided with a cylindrical embedded column 16. The mandrel 2 comprises a cylindrical mandrel, an end clamping groove 10 is formed in one side of the outer peripheral surface of the mandrel in a concave mode, the mandrel is provided with an inner leg 11, the inner leg 11 is cylindrical, the outer peripheral surface of the inner leg 11 is provided with a plurality of protruding limiting ribs 14 which are more than 2, and clamping positions 15 extend from the outer peripheral surface of the top of the inner leg 11 between every two adjacent limiting ribs 14. The middle part of the inner core column 11 is connected with the inner cavity wall of the core barrel through a connecting plate 12, and a limiting guide barrel 13 is arranged on the connecting plate 12.

The ring surface of the end plate 1 is provided with a ventilation groove 3 and a winding clamping groove 4, a guide groove 5 is formed by extending outwards at the edge of the inner hole of the end plate 1, and a guide post hole 6 is formed in the end plate 1 outside the inner hole of the end plate 1; the ventilation grooves 3 are fan-shaped, the number of the ventilation grooves is 2 or more, the ventilation grooves are uniformly distributed by taking the center of the end plate 1 as the center of a circle, and the winding belt clamping grooves 4 are in a long strip shape and are distributed from inside to outside.

After the scheme is adopted, the mandrel is vertically arranged on the table top, one end plate is arranged at the top of the mandrel, the inner leg passes through an inner hole of the end plate, the limiting rib is embedded with the guide groove, the end plate is positioned (the top of the inner leg is slightly higher than the top surface of the core barrel), the locking plate is held by hand, the embedded column is positioned at the bottom, the embedded column is aligned with the guide column hole, the locking plate is pressed downwards, the embedded column is inserted into the limiting guide barrel after passing through the guide column hole, the surface of the inner leg is continuously pressed downwards, the surface of the inner leg is flush with the surface of the locking plate, at the moment, the clamping position passes through the sleeve hole of the core leg to be embedded with the clamping groove (the outer end surface of the clamping position adopts arc smooth transition according to requirements), and the locking of the end plate is realized after the embedding; the mandrel and the assembled end plate are turned over, the other end of the mandrel is installed, the installation mode is consistent with the action, the winding disc with the side view being I-shaped is finally formed, the end clamping groove is used for limiting the inner end of the wound material when the winding is performed, the belt winding clamping groove is used for limiting the outer end of the wound material, the end plate is torn open after the wound material is used, the mandrel is separated, the mandrel can be continuously split for recycling, and the winding disc is reasonable in structure, low in manufacturing cost and good in use effect after the winding device is adopted.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so that all changes made in the shape and principles of the present utility model are covered by the scope of the present utility model.

Claims

1. A plastic core paper board type winding disc which is characterized in that: the corrugated cardboard box comprises an end plate (1) and a mandrel (2), wherein the mandrel (2) is integrally formed by plastic material through injection molding, the end plate (1) is installed at two ends of the mandrel (2), the end plate (1) is made of corrugated cardboard to form a circular ring shape, a locking plate (7) is arranged on the outer side of the end plate (1), and the installed end plate (1) is locked through the locking plate (7); the core shaft (2) comprises a cylindrical core barrel, wherein one side of the outer peripheral surface of the core barrel is inwards concave to form an end clamping groove (10), the core barrel is provided with an inner core post (11), the middle part of the inner core post (11) is connected with the inner cavity wall of the core barrel through a connecting plate (12), and a limiting guide barrel (13) is arranged on the connecting plate (12).

2. A plastic core paperboard winding reel as recited in claim 1, wherein: the inner leg (11) is cylindrical, the outer peripheral surface of the inner leg is provided with raised limit ribs (14) with the number more than 2, and clamping positions (15) extend from the outer peripheral surface of the top of the inner leg (11) between the adjacent limit ribs (14).

3. A plastic core paperboard winding reel as recited in claim 1, wherein: the lock plate (7) is circular, the inner ring of the lock plate is a stem sleeve hole, U-shaped outer limit grooves (8) are formed in the edge of the stem sleeve hole, the number of the U-shaped outer limit grooves (8) is matched with that of the limit ribs (14), stepped clamping grooves (9) are formed in the surfaces of the lock plates (7) at the edges of the stem sleeve holes between the adjacent U-shaped outer limit grooves (8), and cylindrical embedded columns (16) are formed in the bottoms of the lock plates (7).

4. A plastic core paperboard winding reel as recited in claim 1, wherein: the ring surface of the end plate (1) is provided with a ventilation groove (3) and a winding clamping groove (4), a guide groove (5) is formed by outwards extending the edge of the inner hole of the end plate (1), and a guide pillar hole (6) is formed in the end plate (1) at the outer side of the inner hole of the end plate (1); the ventilation grooves (3) are fan-shaped, the number of the ventilation grooves is more than 2, the ventilation grooves are uniformly distributed by taking the center of the end plate (1) as the center of a circle, and the winding clamping grooves (4) are in a long strip shape and are distributed from inside to outside.