Casting mouth lug for cast rolling forming of aluminum strip

Abstract

The utility model relates to the technical field of lithium battery accessories, and particularly discloses a casting mouth lug for cast-rolling forming of an aluminum strip, which comprises a flexible lug, the side face of the flexible lug is provided with a concave face and a transition face. The concave surface is tangent to the transition surface; the concave surface is vertical to the bottom surface of the flexible lug; when the flexible lug is cast, the side face of the flexible lug is provided with the concave face and the transition face; the junction surfaces of the concave surface and the transition surface are tangent; and then the concave surface is designed to be perpendicular to the bottom surface of the flexible lug, so that no gap and no accommodating space exist when the molten aluminum is in primary contact with the flexible lug in the advancing process, the molten aluminum can be smoothly cooled forwards to form a cast-rolling forming aluminum plate, and the aluminum plate can be manufactured into an aluminum foil plate by rolling the aluminum plate after being accommodated.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery accessory technical field, specifically is a cast nozzle ear for aluminium strip casting and rolling forming. BACKGROUND

[0002] The positive and negative poles of lithium battery have respective current collectors, which are usually metal foils, the positive pole is aluminium foil, and the negative pole is copper foil, therefore, the processing and manufacturing of aluminium foil is part of the lithium battery process, the high-temperature aluminium liquid needs to be rapidly processed into aluminium plate, and then is changed into aluminium foil through braiding.

[0003] The Chinese patent with the publication number CN103551534B discloses a casting nozzle of a casting and rolling machine on October 28, 2015, which comprises two oppositely arranged upper and lower plates, a side baffle connecting the side parts of the two upper and lower plates, and a bottom plate connecting the two upper and lower plates and the two side baffles, wherein a melt inlet is arranged in the middle of the bottom plate, the melt inlet is opposite to a melt outlet, a plurality of flow dividing blocks are arranged between the two upper and lower plates, and the melt inlet is opposite to the middle flow dividing block; the middle flow dividing block is symmetrically distributed about the central axis of the middle flow dividing block; the middle flow dividing block is counted from small to large to one side thereof, the width Ln of the gap of the nth flow dividing block is Ln = 15 + 5(n-1) + (n-2)(n-1) / 2; the distance d between the flow dividing block and the bottom plate is d = 40 + 5(N-5) / 2; wherein N is the number of flow dividing blocks and N is an odd number not less than 5. The present application can simplify the arrangement of the flow dividing blocks in the casting nozzle, improve the uniformity of the melt distribution in the casting nozzle, and improve the quality of the casting and rolling products.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the internal baffle located on both sides of the prior art cannot maximize the reduction of the edge tearing of the aluminium foil strip in the edge forming of the aluminium foil, resulting in the need for edge cutting of the aluminium foil strip in the later stage of braiding, causing the waste of some aluminium foil and the inability to maximize the production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the technical problem that the internal baffle located on both sides of the prior art cannot maximize the reduction of the edge tearing of the aluminium foil strip in the edge forming of the aluminium foil, resulting in the need for edge cutting of the aluminium foil strip in the later stage of braiding, causing the waste of some aluminium foil and the inability to maximize the production efficiency, and provides a cast nozzle ear for aluminium strip casting and rolling forming.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme to achieve the above-mentioned purpose.

[0007] The utility model relates to a cast nozzle ear for aluminium strip casting and rolling forming, including flexible ear, recessed surface and back surface are set up to the side surface of flexible ear, transition surface is connected between recessed surface and back surface, recessed surface and back surface all are tangent with the side surface of flexible ear, pressure release groove is set up between recessed surface and back surface.

[0008] Further, the flexible ear is symmetrically provided with a limiting clamping groove, and a clamping cover is slidably inserted into the limiting clamping groove.

[0009] Further, the flexible ear is provided with a plurality of prefabricated holes.

[0010] The cast nozzle ear for aluminium strip casting and rolling forming has the following beneficial effects:

[0011] 1. The utility model discloses a cast nozzle ear for aluminium strip casting and rolling forming, including flexible ear, recessed surface and back surface are set up to the side surface of flexible ear, transition surface is connected between recessed surface and back surface, recessed surface and back surface all are tangent with the side surface of flexible ear, pressure release groove is set up between recessed surface and back surface.

[0012] 2. The utility model discloses a cast nozzle ear for aluminium strip casting and rolling forming, including flexible ear, recessed surface and back surface are set up to the side surface of flexible ear, transition surface is connected between recessed surface and back surface, recessed surface and back surface all are tangent with the side surface of flexible ear, pressure release groove is set up between recessed surface and back surface. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model discloses a cast nozzle ear for aluminium strip casting and rolling forming, including flexible ear, recessed surface and back surface are set up to the side surface of flexible ear, transition surface is connected between recessed surface and back surface, recessed surface and back surface all are tangent with the side surface of flexible ear, pressure release groove is set up between recessed surface and back surface.

[0014] Figure 1 It is first axial measurement structure schematic diagram of the utility model;

[0015] Figure 2 It is second axial measurement structure schematic diagram of the utility model;

[0016] Figure 3 It is third axial measurement structure schematic diagram of the utility model;

[0017] Figure 4 It is fourth axial measurement structure schematic diagram of the utility model;

[0018] Figure 5 It is fifth axial measurement structure schematic diagram of the utility model;

[0019] Figure 6A cross section structure schematic diagram after the casting nozzle is installed of the utility model;

[0020] Figure 7 A top view structure schematic diagram after the casting nozzle is installed of the utility model.

[0021] Mark explanation in drawing: 1, flexible ear; 2, recessed surface; 3, transition surface; 4, limit slot; 5, clamping cover; 6, back surface; 7, prefabricated hole; 8, hollow pipe; 9, pressure release groove. DETAILED DESCRIPTION

[0022] It should be understood that the specific embodiments described herein are merely exemplary and are not intended to limit the present application.

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] It should be noted that all directional indications (such as up-down-left-right-front-back...) in the embodiments of the present application are only used to explain the relative position relationship between the components, the movement condition, etc. in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly. The connection can be direct connection or indirect connection.

[0025] Please refer to Figures 1-7 As shown in the drawing, an ear of a casting nozzle for aluminum strip casting and rolling forming includes a flexible ear 1 made of graphite die casting. Then, when the flexible ear 1 is cast, recessed surfaces 2 and back surfaces 6 are formed on the side surface of the flexible ear 1. The recessed surfaces 2 and the back surfaces 6 are connected by a transition surface 3. The recessed surfaces 2 and the back surfaces 6 are tangent to the side surface of the flexible ear 1. A pressure release groove 9 is formed between the recessed surfaces 2 and the back surfaces 6, so that the molten aluminum can preliminarily contact the flexible ear 1 without gaps and space for accommodation when advancing. The molten aluminum can be smoothly cooled to form a cast and rolled aluminum plate. After accommodation, the aluminum plate is rolled to form an aluminum foil plate. Then, under the smooth transition avoidance space of the pressure release groove 9, the edges of the rolled thin plate will not be extruded and stressed to produce a cracked edge, so that the cast and rolled process can be slightly stretched to maintain its shape.

[0026] By the flexible ear 1 on the symmetrical opening has for connecting other objects limit card slot 4, then in the limit card slot 4 sliding insert has the card cover 5 made of stainless steel, so that in the fixed flexible ear 1 for casting rolling, can be through the card cover 5 welding, plug-in fixed mode such as, so that the position of flexible ear 1 is unchanged in use, keep the precision of casting rolling, at the same time, after the flexible ear 1 wears, it is convenient to take down the flexible ear 1 and replace the new flexible ear 1.

[0027] By the flexible ear 1 on the symmetrical opening has for connecting other objects limit card slot 4, then in the limit card slot 4 sliding insert has the card cover 5 made of stainless steel, so that in the fixed flexible ear 1 for casting rolling, can be through the card cover 5 welding, plug-in fixed mode such as, so that the position of flexible ear 1 is unchanged in use, keep the precision of casting rolling, at the same time, after the flexible ear 1 wears, it is convenient to take down the flexible ear 1 and replace the new flexible ear 1.

[0028] Second embodiment; by inserting the hollow tube 8 in the precast hole 7, when the pull pin is inserted in the hollow tube 8, the precast hole 7 is damaged by uneven force, so that the structural strength of the flexible ear 1 does not change, and can be used for a long time.

[0029] Third embodiment; by the hollow tube 8 made of heat-resistant plastic and the card cover 5, so that it can withstand the heat transmitted by the aluminum liquid without deformation, and the specific heat capacity of the graphite flexible ear 1 is not much different, so that the flexible ear 1 is not easy to expand and deform.

[0030] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like 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 present application. In the description of the present application, the illustrative description 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 any one or more embodiments or examples in a suitable manner.

[0031] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A nozzle ear for cast-rolling of an aluminum strip, characterized by; Including flexible ear (1), The side of the flexible ear (1) is provided with recessed surface (2) and back side (6), The transition surface (3) is connected between the recessed surface (2) and back side (6), The recessed surface (2) and back side (6) are tangent with the side of the flexible ear (1), The pressure release groove (9) is provided between the recessed surface (2) and back side (6).

2. The die ear for cast rolling of aluminum strip as recited in claim 1, characterized by: The limit card slot (4) is symmetrically provided on the flexible ear (1), The clamping cover (5) is slidably inserted in the limit card slot (4).

3. The die ear for cast rolling of aluminum strip as recited in claim 1, characterized by: A plurality of precast holes (7) are provided through the flexible ear (1).

4. The die ear for cast rolling of aluminum strip of claim 3 wherein: The hollow tube (8) is inserted in the precast hole (7).

5. The die ear for cast rolling of aluminum strip of claim 4 wherein: The hollow tube (8) and clamping cover (5) are made of heat-resistant plastic.

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