Lithium battery steel shell automatic stamping material-saving blanking forming composite die
By improving the structure of the composite mold for automatic stamping and material-saving blanking of lithium battery steel shells, the problem of mold disassembly is solved, efficient disassembly and high-precision mold design are achieved, material utilization and life are improved, which is suitable for solving the problem of disassembly difficulties in existing technologies and improving the wear resistance and service life of the mold.
Patent Information
- Application Number
- CN202421675176.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing lithium battery steel shell automatic stamping and material-saving blanking composite mold is not convenient for disassembly and maintenance of the blanking, blanking and drawing die alloy inserts, which brings trouble to the staff.
A mold structure was designed, which included a lower die, an alloy insert for a blanking, punching and drawing die, a fixing mechanism, an upper die, an alloy pressure block and a drawing head. The convenient disassembly of the alloy insert for the blanking, punching and drawing die was achieved through the cooperation of studs, handles, movable plates and clamping blocks.
It improves the convenience of mold disassembly and maintenance, improves material utilization, reduces product cost, improves the precision and wear resistance of the mold, and extends its service life.
Smart Images

Figure CN223367990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery processing, in particular to a composite die for automatic stamping and punching of lithium battery steel shells to save materials. Background Art
[0002] Lithium batteries are primary batteries that use lithium metal or lithium alloys as the negative electrode material and a non-aqueous electrolyte solution. They differ from rechargeable lithium-ion batteries and lithium-ion polymer batteries. Due to the highly reactive chemical properties of lithium metal, its processing, storage, and use place high environmental demands. Consequently, lithium batteries have long been unused.
[0003] At present, the common automatic stamping and blanking composite die for lithium battery steel shells is not convenient for disassembly and maintenance of the blanking, blanking and stretching die alloy inserts, which causes great trouble to the staff. For this reason, we propose a automatic stamping and blanking composite die for lithium battery steel shells. Utility Model Content
[0004] The purpose of the utility model is to provide a composite die for automatic stamping and blanking of lithium battery steel shells to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a composite die for automatic stamping and blanking of lithium battery steel shells, comprising:
[0006] Lower mold;
[0007] The alloy insert of the blanking, shearing and stretching die is movably clamped on the top of the lower die;
[0008] A fixing mechanism, wherein the alloy insert of the blanking, shearing and drawing die is fixed to the lower die via the fixing mechanism;
[0009] An upper die is provided above the lower die, an alloy insert of a blanking die is fixedly embedded at the bottom of the upper die, and an alloy pressing block is provided inside the upper die;
[0010] A stretching head is provided above the upper die.
[0011] Furthermore, the fixing mechanism includes a mounting frame, a bearing, a stud, a handle, a movable plate, a cross bar, a clamping block, a through groove and a clamping slot. The left and right sides of the lower die are fixedly connected with a mounting frame, and the inner wall of the mounting frame is fixedly connected with a bearing on the side close to the alloy insert of the blanking, punching and stretching die.
[0012] Furthermore, the bearing is rotatably connected to a stud on the side away from the alloy insert of the blanking, punching and stretching die. The stud passes through the mounting frame on the side away from the alloy insert of the blanking, punching and stretching die and extends to the outside of the mounting frame and is fixedly connected to a handle. The stud is movably connected to the mounting frame.
[0013] Furthermore, a movable plate is threadedly connected to one side of the surface of the stud close to the alloy insert of the blanking and drawing die, and the top and bottom of the movable plate both pass through the mounting frame and extend to the outside of the mounting frame.
[0014] Furthermore, the top and bottom of the mounting frame are both open structures, the left and right sides of the inner wall of the mounting frame are fixedly connected by a cross bar, and the movable plate is slidably sleeved on the cross bar.
[0015] Furthermore, a clamping block is fixedly connected to the top of one side of the movable plate close to the alloy insert of the blanking, punching and drawing die, and through grooves are provided on the left and right sides of the lower die at positions corresponding to the clamping block.
[0016] Furthermore, there are card slots on the left and right sides of the alloy insert of the blanking, punching and stretching die corresponding to the through slot. The side of the card block away from the movable plate passes through the through slot and the card slot in sequence and extends to the inside of the card slot. The card block is movably connected to the through slot and movably engaged with the card block and the card slot.
[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0018] 1. The utility model solves the problem that the common lithium battery steel shell automatic stamping and punching forming composite die is inconvenient for disassembly and maintenance of the blanking, punching and stretching die alloy inserts, causing great trouble to the staff through the mutual cooperation of the lower die, blanking, punching and stretching die alloy inserts, fixing mechanism, mounting frame, studs, handles, movable plate, cross bar, clamping block, through groove, clamping slot, upper die, blanking, punching die alloy inserts, alloy pressure block and stretching head.
[0019] 2. The mold of this utility model adopts inlaid carbide, which makes the mold have high precision, high wear resistance and long service life. The mold has been verified by production and has reliable and stable performance, which greatly improves material utilization, reduces product costs and increases market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a front view structural diagram of the utility model;
[0021] Figure 2 This is a schematic diagram of the assembly structure of the lower die and the alloy insert of the blanking, punching and drawing die of the utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the through slot of the utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the mounting frame of the utility model;
[0024] Figure 5 This is a schematic diagram of the mold structure in the use state of the utility model.
[0025] In the figure: 1. Lower die; 2. Alloy insert of blanking, punching and drawing die; 3. Fixing mechanism; 301. Mounting frame; 302. Stud; 303. Handle; 304. Moving plate; 305. Crossbar; 306. Block; 307. Through slot; 308. Slot; 4. Upper die; 5. Alloy insert of blanking, punching and drawing die; 6. Alloy pressing block; 7. Drawing head. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot 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 invention, unless otherwise specified, "multiple" means two or more.
[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0029] See also Figure 1-4 A composite die for automatic stamping and blanking of lithium battery steel shells, comprising a lower die 1, a blanking, blanking and stretching die alloy insert 2 movably clamped on the top of the lower die 1, the blanking, blanking and stretching die alloy insert 2 and the lower die 1 are fixed by a fixing mechanism 3, an upper die 4 is arranged above the lower die 1, a blanking, blanking and stretching die alloy insert 5 is fixedly embedded at the bottom of the upper die 4, an alloy pressing block 6 is arranged inside the upper die 4, and a stretching head 7 is arranged above the upper die 4.
[0030] When in use, the above molds are arranged in a step-by-step multi-mold arrangement, with the number of molds reaching 15, and the material utilization rate is increased from 75% to 87.1%. Figure 5 Use the scheme shown.
[0031] Specifically, the fixing mechanism 3 includes a mounting frame 301, a bearing, a stud 302, a handle 303, a movable plate 304, a cross bar 305, a clamping block 306, a through slot 307 and a clamping slot 308. The left and right sides of the lower mold 1 are fixedly connected to the mounting frame 301, and the inner wall of the mounting frame 301 is fixedly connected to the side of the alloy insert 2 of the blanking, punching and drawing mold with a bearing.
[0032] During specific implementation, the side of the bearing away from the alloy insert 2 of the blanking, punching and stretching die is rotatably connected to the stud 302, and the side of the stud 302 away from the alloy insert 2 of the blanking, punching and stretching die passes through the mounting frame 301 and extends to the outside of the mounting frame 301 and is fixedly connected to the handle 303, and the stud 302 is movably connected to the mounting frame 301.
[0033] Specifically, a side of the surface of the stud 302 close to the blanking and drawing die alloy insert 2 is threadedly connected to a movable plate 304 , and the top and bottom of the movable plate 304 both pass through the mounting frame 301 and extend to the outside of the mounting frame 301 .
[0034] In specific implementation, the top and bottom of the mounting frame 301 are both open structures, the left and right sides of the inner wall of the mounting frame 301 are fixedly connected by a cross bar 305, and the movable plate 304 is slidably mounted on the cross bar 305.
[0035] Specifically, a clamping block 306 is fixedly connected to the top of the movable plate 304 near the alloy insert 2 of the blanking, punching and drawing die, and through grooves 307 are provided on the left and right sides of the lower die 1 at positions corresponding to the clamping block 306 .
[0036] During the specific implementation, there are clamping slots 308 on the left and right sides of the blanking, punching and drawing die alloy insert 2 and at the positions corresponding to the through slot 307. The clamping block 306 passes through the through slot 307 and the clamping slot 308 in sequence on the side away from the movable plate 304 and extends to the inside of the clamping slot 308. The clamping block 306 is movably connected to the through slot 307, and the clamping block 306 is movably clamped to the clamping slot 308.
[0037] In actual application: when it is necessary to disassemble the blanking, punching and stretching die alloy insert 2, just turn the handle 303 counterclockwise to drive the stud 302 to rotate, and then under the action of the thread, the movable plate 304 drives the clamping block 306 to move to the side away from the clamping slot 308, so that the clamping block 306 is disengaged from the clamping slot 308, and then pull the blanking, punching and stretching die alloy insert 2 upward, so that the blanking, punching and stretching die alloy insert 2 is separated from the lower die 1. Through the above steps, the blanking, punching and stretching die alloy insert 2 can be easily disassembled, thereby facilitating the maintenance of the blanking, punching and stretching die alloy insert 2.
[0038] All components in this utility model are universal standard parts or components known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, the standard parts used in this application document can be purchased on the market. The various components in this application document can be customized according to the description and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology.
[0039] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers and encoders should be selected according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. This utility model mainly introduces the working principle and process, and no longer explains the electrical control.
[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A composite die for automatic stamping and blanking of lithium battery steel shells, characterized in that: include: Lower mold (1); A blanking, punching and stretching die alloy insert (2), wherein the top of the lower die (1) is movably clamped with the blanking, punching and stretching die alloy insert (2); A fixing mechanism (3), wherein the blanking, punching and drawing die alloy insert (2) and the lower die (1) are fixed via the fixing mechanism (3); An upper die (4), the upper die (4) is arranged above the lower die (1), a blanking die alloy insert (5) is fixedly embedded at the bottom of the upper die (4), and an alloy pressing block (6) is arranged inside the upper die (4); A stretching head (7) is provided above the upper die (4).
2. The composite die for automatic stamping and blanking of a lithium battery steel shell according to claim 1, characterized in that: The fixing mechanism (3) comprises a mounting frame (301), a bearing, a stud (302), a handle (303), a movable plate (304), a crossbar (305), a clamping block (306), a through slot (307) and a clamping slot (308); the left and right sides of the lower die (1) are both fixedly connected to the mounting frame (301); and the inner wall of the mounting frame (301) is fixedly connected to a side of the blanking, punching and drawing die alloy insert (2) with a bearing.
3. The composite die for automatic stamping and blanking of a lithium battery steel shell according to claim 2, characterized in that: The side of the bearing away from the blanking, punching and stretching die alloy insert (2) is rotatably connected to a stud (302); the side of the stud (302) away from the blanking, punching and stretching die alloy insert (2) passes through the mounting frame (301) and extends to the outside of the mounting frame (301) and is fixedly connected to a handle (303); the stud (302) and the mounting frame (301) are movably connected.
4. The composite die for automatic stamping and blanking of a lithium battery steel shell according to claim 3, characterized in that: A movable plate (304) is threadedly connected to one side of the surface of the stud (302) close to the blanking, punching and drawing die alloy insert (2), and the top and bottom of the movable plate (304) both pass through the mounting frame (301) and extend to the outside of the mounting frame (301).
5. The composite die for automatic stamping and blanking of lithium battery steel shells according to claim 4, characterized in that: The top and bottom of the mounting frame (301) are both open structures. The left and right sides of the inner wall of the mounting frame (301) are fixedly connected by a cross bar (305), and the movable plate (304) is slidably sleeved on the cross bar (305).
6. The composite die for automatic stamping and blanking of lithium battery steel shells according to claim 5, characterized in that: A clamping block (306) is fixedly connected to the top of one side of the movable plate (304) close to the alloy insert (2) of the blanking, punching and stretching die, and through grooves (307) are provided on the left and right sides of the lower die (1) at positions corresponding to the clamping block (306).
7. The composite die for automatic stamping and blanking of a lithium battery steel shell according to claim 6, characterized in that: Slots (308) are provided on both left and right sides of the blanking, punching and drawing die alloy insert (2) at positions corresponding to the through slot (307); the side of the clamping block (306) away from the movable plate (304) passes through the through slot (307) and the clamping slot (308) in sequence and extends into the interior of the clamping slot (308); the clamping block (306) is movably connected to the through slot (307); and the clamping block (306) is movably engaged with the clamping slot (308).