Paper core tube for reducing cross grains on inner ring of aluminum roll
By using a paper core barrel during the rolling process of aluminum coil, combined with the design of the paper core body and soft gasket, the problems of material head lifting and horizontal lines of the roll are solved, and the effect of reducing horizontal lines and reducing production costs is achieved.
Patent Information
- Application Number
- CN202421323909.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-12
AI Technical Summary
During the rolling process of aluminum coil, the material head is prone to be raised and the subsequent material is crushed, causing transverse lines to form on the surface of the aluminum alloy strip, affecting the normal use of downstream processes and increasing invalid output and cost.
A paper core cylinder including a paper core body and a soft gasket is designed, which is bonded to the paper core body through an adhesive layer to form a cylindrical shape for buffering the material head and reducing damage to the coil material.
By setting up soft gaskets, the risk of warping of the material head and damage to the surface of the coil material is reduced, the generation of horizontal lines of the inner ring of the coil material is significantly reduced, and the production cost is reduced.
Smart Images
Figure CN222659698U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of paper cores, and in particular relates to a paper core tube for reducing the transverse lines of the inner ring of an aluminum coil. Background Art
[0002] Bending, straightening and slitting are common processing methods in the metal processing industry. Aluminum and aluminum alloy strips need to be re-reeled after bending, straightening or slitting. During the reeling process, the material head is prone to curl up and damage the subsequent materials, forming horizontal lines on the surface of the aluminum alloy strips, causing the downstream processes to be unusable and resulting in scrap.
[0003] At present, the conventional method of assisting the winding is to use tape to stick the head of the aluminum alloy strip material on the paper core, and then to reel it up. This method cannot reduce the influence of the head of the aluminum alloy strip material on the thickness of the material, and it is easy to form horizontal lines. It affects the normal use of downstream customers, and also causes the increase of ineffective output in the processing process and wastes costs. Utility Model Content
[0004] In view of the defects of the prior art, the utility model provides a paper core tube for reducing the transverse lines on the inner circle of an aluminum coil, which is used to reduce the generation of transverse lines on the inner circle of the aluminum coil, reduce the waste of transverse lines on the inner circle, and further reduce the production cost.
[0005] The utility model provides a paper core tube for reducing the horizontal lines of the inner ring of an aluminum coil, comprising a paper core body and a soft gasket;
[0006] The paper core body is cylindrical;
[0007] The soft gasket is in a rectangular shape, one side of the soft gasket is provided with an adhesive layer, the soft gasket is enclosed to form a cylindrical shape, and the soft gasket is bonded to the paper core body through the adhesive layer.
[0008] In the above technical solution, the present invention can also be improved as follows.
[0009] The preferred technical solution has an additional technical feature in that the soft cushion is made of foam.
[0010] The preferred technical solution has an additional technical feature that the thickness of the soft gasket is 2-4 mm.
[0011] The preferred technical solution has the additional technical feature that it also includes a support tube, which is inserted into the paper core body, and has abutment components symmetrically arranged at both ends of the support tube.
[0012] The preferred technical solution has the additional technical feature that: the resisting assembly includes a semicircular plate, a locking bolt and a locking nut, the semicircular plates are two and spliced into a circular plate, the diameter of the circular plate is larger than the diameter of the paper core body, ears are symmetrically provided on the two semicircular plates, and the locking bolt passes through the two ears in sequence and is tightened by the locking nut.
[0013] The preferred technical solution has the additional technical feature that: there are two ears on the semicircular plate and they are symmetrically arranged.
[0014] The preferred technical solution has the additional technical feature that a straight end of one of the semicircular plates is provided with a mortise and tenon, and the straight end of the other semicircular plate is provided with a tenon that matches the mortise and tenon.
[0015] A preferred technical solution has an additional technical feature in that: the paper core body comprises a paperboard layer and a first fiber reinforcement layer, and the first fiber reinforcement layer is arranged on the inner side of the paperboard layer.
[0016] A preferred technical solution has an additional technical feature in that: the paper core body further includes a second fiber reinforcement layer, and the second fiber reinforcement layer is arranged on the outside of the paperboard layer.
[0017] The preferred technical solution has the additional technical feature that the second fiber reinforced layer and the second fiber reinforced layer are both made of fiber woven fabric or non-woven fiber cloth, and the paperboard layer is made of multiple layers of plant fiber paperboard bonded together.
[0018] The beneficial effects of the utility model are as follows: the utility model provides a paper core body and a soft gasket, and the soft gasket can buffer the proximity of the material head to the next circle, which can reduce the risk of material head warping and damage to the surface of the coiled material behind the same position, and reduce the generation of transverse lines on the inner circle of the coiled material. Compared with the traditional method, the utility model can greatly reduce the waste of inner circle transverse lines and further reduce the production cost. The utility model has a novel structure and a simple principle, and is suitable for large-scale promotion and use in the field of aluminum coils. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.
[0020] Figure 1 It is a structural schematic diagram of a paper core tube for reducing the transverse lines on the inner ring of an aluminum coil in Example 1 of the utility model.
[0021] Figure 2It is a structural schematic diagram of a paper core tube for reducing the transverse lines on the inner ring of an aluminum coil in Example 2 of the utility model.
[0022] Figure 3 It is a schematic structural diagram of the resisting assembly of Example 2 of the utility model.
[0023] Figure 4 It is a structural schematic diagram of the paper core body of Example 2 of the utility model.
[0024] In the figure, the meanings of each mark are as follows:
[0025] 1. Paper core body; 11. Paperboard layer; 12. First fiber reinforcement layer; 13. Second fiber reinforcement layer; 2. Soft gasket; 3. Adhesive layer; 4. Support tube; 5. Resist assembly; 51. Semicircular plate; 511. Ear; 512. Mortise and tenon; 513. Tenon; 52. Locking bolt; 53. Locking nut. DETAILED DESCRIPTION
[0026] In order to further understand the content, features and effects of the utility model, the following embodiments are given and described in detail as follows:
[0027] Example 1
[0028] See also Figure 1 , this embodiment provides a paper core tube for reducing the horizontal lines of the inner circle of an aluminum coil, comprising a paper core body 1 and a soft gasket 2;
[0029] The paper core body 1 is cylindrical;
[0030] The soft gasket 2 is in a rectangular shape, and an adhesive layer 3 is provided on one side of the soft gasket 2 . The soft gasket 2 is enclosed to form a cylindrical shape, and the soft gasket 2 is bonded to the paper core body 1 through the adhesive layer 3 .
[0031] See also Figure 1 The material of the soft pad 2 is foam.
[0032] See also Figure 1 , the thickness of the soft pad 2 is 3 mm.
[0033] In this embodiment, a paper core body 1 and a soft gasket 2 are arranged. The soft gasket 2 is bonded to the paper core body 1 through an adhesive layer 3, so that the soft gasket 2 is not easily deformed by rubbing. The arranged soft gasket 2 can cushion the position where the material head is close to the next circle, thereby reducing the risk of warping of the material head and damage to the surface of the coil behind the same position, and reducing the generation of transverse lines in the inner circle of the coil.
[0034] In addition, when in use, the material head auxiliary rolling method can also be used. The distance between the material head and the soft gasket 2 is 15-20mm. Start the machine slowly, observe that the second circle of coiled material is fully fitted with the soft gasket 2 and the material head, and then proceed with normal production.
[0035] Example 2
[0036] See also Figures 2 to 4 , and also includes a support tube 4, which is inserted into the paper core body 1, and the two ends of the support tube 4 are symmetrically provided with a blocking component 5.
[0037] The support tube 4 is provided to increase the strength of the paper core body 1, and the resisting assembly 5 is provided to limit and resist the coil.
[0038] See also Figure 2 and Figure 3 The resisting assembly 5 includes a semicircular plate 51, a locking bolt 52 and a locking nut 53. The semicircular plates 51 are two and spliced into a circular plate. The diameter of the circular plate is larger than the diameter of the paper core body 1. Ears 511 are symmetrically arranged on the two semicircular plates 51. The locking bolt 52 passes through the two ears 511 in sequence and is fastened by the locking nut 53.
[0039] The semicircular plates 51 are fixed on the support tube 4 and are located at both ends of the paper core body 1. They are respectively against the two end surfaces of the paper core body 1 to limit the displacement of the paper core body 1 and prevent the wrinkles of the coiled material caused by the displacement of the paper core body 1. The locking bolts 52 are passed through the two ears 511 in sequence and fastened by the locking nuts 53, so that the two semicircular plates 51 are fastened to form circular plates and are located on the periphery of the paper core body 1. When replacing the paper core body 1, only the locking bolts 52 and the locking nuts 53 need to be removed to remove the blocking assembly 5.
[0040] See also Figure 3 There are two ears 511 on the semicircular plate 51 and they are symmetrically arranged.
[0041] The two ears 511 are used to further increase the stability of the connection of the resisting component 5 .
[0042] See also Figure 3 A straight end of one of the semicircular plates 51 is provided with a tenon groove 512 , and a straight end of the other semicircular plate 51 is provided with a tenon 513 matching with the tenon groove 512 .
[0043] By inserting the tenon 513 into the tenon groove 512, the two semicircular plates 51 can be spliced together to form a circular plate.
[0044] See also Figure 4The paper core body 1 includes a paperboard layer 11 and a first fiber reinforcement layer 12 , and the first fiber reinforcement layer 12 is arranged on the inner side of the paperboard layer 11 .
[0045] The first fiber reinforcement layer 12 is used to increase the flexibility and impact resistance of the paper core body 1 .
[0046] See also Figure 4 The paper core body 1 further includes a second fiber reinforcement layer 13 , and the second fiber reinforcement layer 13 is arranged on the outside of the paperboard layer 11 .
[0047] The second fiber reinforcement layer 13 is used to increase the flexibility and impact resistance of the paper core body 1 .
[0048] In this embodiment, the second fiber reinforced layer 13 and the second fiber reinforced layer 13 are both made of fiber woven fabrics or non-woven fiber cloths, and the paperboard layer 11 is made of multiple layers of plant fiber paperboards bonded together.
[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.
[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technical personnel in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, technical staff in this field can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction. Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the utility model. Ordinary technical staff in this field can change, modify, replace and modify the above embodiments within the scope of the utility model.
Claims
1. A paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil, characterized in that: It includes a paper core body and a soft cushion sheet; The paper core body is cylindrical; The soft gasket is in a rectangular shape, one side of the soft gasket is provided with an adhesive layer, the soft gasket is enclosed to form a cylindrical shape, and the soft gasket is bonded to the paper core body through the adhesive layer; It also includes a support tube, which is inserted into the paper core body, and both ends of the support tube are symmetrically provided with abutment components; The blocking assembly includes a semicircular plate, a locking bolt and a locking nut. The semicircular plates are two and spliced into a circular plate. The diameter of the circular plate is larger than the diameter of the paper core body. Ears are symmetrically arranged on the two semicircular plates. The locking bolt passes through the two ears in sequence and is fastened by the locking nut. There are two ears on the semicircular plate and they are symmetrically arranged; A straight end of one of the semicircular plates is provided with a mortise groove, and a straight end of the other semicircular plate is provided with a tenon matched with the mortise groove.
2. The paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil according to claim 1, characterized in that: The material of the soft cushion is foam.
3. The paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil according to claim 2, characterized in that: The thickness of the soft gasket is 2-4 mm.
4. The paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil according to claim 1, characterized in that: The paper core body comprises a paperboard layer and a first fiber reinforcement layer, wherein the first fiber reinforcement layer is arranged on the inner side of the paperboard layer.
5. The paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil according to claim 4, characterized in that: The paper core body further includes a second fiber reinforcement layer, and the second fiber reinforcement layer is arranged on the outer side of the paperboard layer.
6. A paper core tube for reducing the horizontal lines on the inner ring of an aluminum coil according to claim 5, characterized in that: The second fiber reinforced layer and the third fiber reinforced layer are both made of fiber woven fabric or non-woven fiber cloth, and the paperboard layer is made of multiple layers of plant fiber paperboard bonded together.