CN218744215U - Battery case preforming stamping die - Google Patents
Battery case preforming stamping die Download PDFInfo
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- CN218744215U CN218744215U CN202223036453.9U CN202223036453U CN218744215U CN 218744215 U CN218744215 U CN 218744215U CN 202223036453 U CN202223036453 U CN 202223036453U CN 218744215 U CN218744215 U CN 218744215U
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Abstract
The utility model relates to a stamping die technical field, concretely relates to battery case preforming stamping die. The battery case preforming stamping die comprises an upper die assembly and a lower die assembly; the upper die assembly comprises an upper die base, a stamping die core and a positioning sleeve; the stamping die core is arranged on the upper die base, and an inclined surface is arranged on the periphery of one side of the stamping die core, which is far away from the upper die base; the upper die base is provided with a first rebounding mechanism, the positioning sleeve is sleeved outside the stamping die core and is connected with the stamping die core in a sliding manner, the positioning sleeve is connected with the first rebounding mechanism, and the first rebounding mechanism is used for applying acting force pointing to the lower die assembly on the positioning sleeve; the lower die assembly comprises a lower die base and a supporting table; the middle part of the lower die base is provided with a forming punching hole; the supporting table is arranged in the forming punch hole, a second rebounding mechanism is installed at one end, far away from the upper die assembly, of the supporting table, and the second rebounding mechanism is used for applying acting force pointing to the upper die assembly to the supporting table. The utility model provides a current not high problem of battery case yields that stamping die dashed out.
Description
Technical Field
The utility model relates to a stamping die technical field, concretely relates to battery case preforming stamping die.
Background
Along with the popularization of electric motor cars, the battery is hybrid vehicle and pure electric vehicles's power supply, and the battery includes battery case and the battery module that comprises a plurality of battery cells and hold in battery case usually, and battery case is used for protecting the battery module. The prior art adopts the traditional stamping process for production, firstly, a wafer is stamped out of a material belt, then, the wafer is stretched and stamped, and the transmission stamping process is that the wafer is processed in one procedure and then processed in another procedure.
And the utility model patent of publication No. CN207043162U discloses a first stamping die on power battery shell production technology, and this kind of stamping die can realize the auto-eject of punching press back product, sets up a plurality of stamping die on the punching press board, carries the stamping forming that can realize accomplishing battery shell on a punching press board by the manipulator cooperation to the product again. Although the first stamping die in the power battery shell production process solves the problems in the prior art, the description and the accompanying drawings show that the bottom wall and the side wall of the stretching male die on the first stamping die are in a vertical structure, stress concentration is caused, the stretching male die is easily damaged, and when a wafer is stamped, the bottom of the wafer is easily broken by an operation process of stretching the bottom of the wafer to form a right angle at one time.
Therefore, it is necessary to provide a technical solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery case preforming stamping die aims at solving current battery case stamping die and is the vertical structure because of the diapire and the lateral wall of tensile terrace die, causes stress concentration, easily leads to the damage of tensile terrace die, and when carrying out the punching press to the disk, once only causes the cracked problem in bottom easily in its bottom tensile right-angled operation technology.
In order to achieve the above object, the utility model provides a battery case preforming stamping die, including last mould assembly and lower mould assembly, wherein:
the upper die assembly comprises an upper die base, a stamping die core and a positioning sleeve; the stamping die core is arranged at one end of the upper die base close to the lower die assembly, and an inclined surface is arranged on the periphery of one side of the stamping die core far away from the upper die base; the upper die holder is provided with a first rebounding mechanism, the positioning sleeve is sleeved outside the stamping die core and is connected with the stamping die core in a sliding manner, the positioning sleeve is connected with the first rebounding mechanism, and the first rebounding mechanism is used for applying acting force pointing to the lower die assembly on the positioning sleeve;
the lower die assembly comprises a lower die base and a supporting table; the middle part of the lower die base is provided with a forming punching hole; the supporting table is arranged in the forming punch hole, a second rebounding mechanism is installed at one end, far away from the upper die assembly, of the supporting table, and the second rebounding mechanism is used for applying acting force pointing to the upper die assembly to the supporting table.
More specifically, a plurality of vent holes are formed in the middle of the stamping die core.
More specifically, the first rebounding mechanism comprises a first movable plate, a control plate, a first force application part, a plurality of guide columns and a plurality of limiting columns; the first movable plate is arranged on one side, close to the lower die assembly, of the upper die base, the control plate is arranged on one side, far away from the lower die assembly, of the upper die base, one end of each guide column is fixedly connected to the first movable plate, and the other end of each guide column penetrates through the upper die base and is fixedly connected with the control plate; the end, far away from the lower die assembly, of the upper die base is provided with limiting grooves corresponding to the limiting columns in number, the end, close to the lower die assembly, of the upper die base is provided with through holes communicated with the limiting grooves, the tops of the limiting columns are provided with limiting blocks, the diameters of the limiting blocks are larger than those of the through holes, the limiting columns penetrate through the through holes and are fixedly connected with the first movable plate, and the limiting blocks are arranged in the limiting grooves; the first force application member is arranged on the control plate; the locating sleeve is installed the one end that first fly leaf kept away from the upper die base.
More specifically, the first force application member comprises a plurality of first springs; a plurality of first fixing rods corresponding to the number of the first springs are mounted at one end, away from the lower die assembly, of the upper die base, and penetrate through the control panel, and first stop blocks are arranged at one ends, away from the upper die base, of the first fixing rods; the first spring sleeves the corresponding first fixing rods, one end of the first spring is contacted with the first stop block in a contact mode, and the other end of the first spring is contacted with the control board in a contact mode.
More specifically, the first force application member includes a first cylinder; a fixed frame is arranged on one side of the control panel, which is far away from the upper die base, and the fixed frame is fixedly connected with the upper die base; the first air cylinder is installed on the fixing frame, and the output end of the first air cylinder is fixedly connected with the control panel.
More specifically, a plurality of positioning columns are arranged on the outer side of the positioning sleeve and fixedly connected to the first movable plate; and the lower die base is provided with a plurality of positioning grooves corresponding to the positioning columns.
More specifically, one side of the forming punched hole close to the upper die assembly is provided with a forming guide wall surface which is obliquely arranged.
More specifically, the second resilient mechanism comprises a connecting seat, a second movable plate and a second force application member; the second movable plate is arranged on one side, away from the upper die assembly, of the lower die base, and the connecting base is fixedly connected to one end, close to the lower die base, of the second movable plate and is fixedly connected with the supporting table; the second force application member is mounted on the second movable plate; the bottom of the lower die holder is provided with a limiting part, and when the first movable plate is attached to and contacted with the upper die holder, the supporting table is just attached to and contacted with the limiting part.
More specifically, the second force application member comprises a plurality of second springs; a plurality of second fixing rods are arranged on one side, away from the upper die assembly, of the lower die base, the number of the second fixing rods corresponds to the number of the second springs, the second fixing rods are fixedly arranged, and a second stop block is installed at one end, away from the lower die base, of each second fixing rod; the second movable plate is connected with a plurality of second fixed rods in a sliding manner; the second springs are sleeved on the corresponding second fixed rods, one end of each second spring is in contact with the second stop block, and the other end of each second spring is in contact with the second movable plate.
More specifically, the second force application member includes a second cylinder; the second cylinder is fixedly arranged, and the output end of the second cylinder is fixedly connected with the second movable plate.
The utility model relates to a battery case preforming stamping die's technological effect does:
1. this application adopts the design that sets up the inclined plane in the periphery of punching press mold core bottom, divides the right angle structure of punching press mold core bottom into two obtuse angle structures to this stress of dispersion punching press mold core bottom periphery department effectively avoids leading to punching press mold core at the punching press in-process because of stress concentration, and breach, cracked phenomenon appear in bottom outer fringe department, with this life who prolongs punching press mold core.
2. The utility model relates to a stamping die accessible is adjusted data such as length, width to punching die core, position sleeve, shaping punch a hole to divide into first mould, second mould. Adopt the stamping die of this application to carry out the preliminary stamping to half-finished product, can make the base angle substep stretch forming of battery case, compare with the stamping die who is about to the right angle stretch forming of battery case at the preliminary stamping among the prior art, the design of this application can improve the yields of output battery case by a wide margin.
Drawings
Fig. 1 is a schematic structural view of a battery case preforming stamping die according to the present invention;
fig. 2 is a schematic structural view of an upper die assembly in a battery case preforming stamping die according to the present invention;
fig. 3 is a schematic structural view of a stamping mold core in a battery case preforming stamping mold according to the present invention;
fig. 4 is a schematic structural view of a lower die assembly in a battery case preforming stamping die according to the present invention;
fig. 5 is a schematic structural view of a lower die holder in a battery case preforming stamping die according to the present invention;
fig. 6 is a schematic diagram of a structure of a battery case performing stamping die connected to a stamping machine.
The labels in the figure are:
1-upper die assembly; 2-a lower die assembly;
11-an upper die base; 12-stamping mould core; 121-inclined plane; 122-a vent; 13-positioning sleeve; 131-positioning columns; 14-a first resilient mechanism; 141-a first flap; 142-a control panel; 143 — a first force applying member; 144-a guide post; 145-limiting column;
21-a lower die holder; 211-forming and punching; 212-positioning groove; 213-forming a guide wall surface; 22-a support table; 23-a second resilient mechanism; 231-a connecting seat; 232-a second movable plate; 233 — a second force applying member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the embodiments of the present invention, it should be understood that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In order to more clearly illustrate the technical solution of the present invention, a preferred embodiment is provided below. With particular reference to fig. 1-6. A battery case preforming stamping die, includes upper die assembly 1 and lower die assembly 2, wherein:
the upper die assembly 1 comprises an upper die base 11, a stamping die core 12 and a positioning sleeve 13; the stamping die core 12 is installed at one end of the upper die holder 11 close to the lower die assembly 2, and an inclined surface 121 is arranged on the periphery of one side of the stamping die core 12 away from the upper die holder 11; the upper die holder 11 is provided with a first rebounding mechanism 14, the positioning sleeve 13 is sleeved outside the stamping die core 12 and is connected with the stamping die core 12 in a sliding manner, the positioning sleeve 13 is connected with the first rebounding mechanism 14, and the first rebounding mechanism 14 is used for applying an acting force pointing to the lower die assembly 2 to the positioning sleeve 13;
the lower die assembly 2 comprises a lower die base 21 and a supporting table 22; the middle part of the lower die base 21 is provided with a forming punched hole 211; the support table 22 is arranged in the forming punch hole 211, a second rebound mechanism 23 is installed at one end, away from the upper die assembly 1, of the support table 22, and the second rebound mechanism 23 is used for applying acting force pointing to the upper die assembly 1 to the support table 22.
In this embodiment, the design that the inclined surface 121 is disposed on the periphery of the bottom of the stamping die core 12 is adopted, and the right-angled structure at the bottom of the stamping die core 12 is divided into two obtuse-angled structures, so that the stress at the outer edge of the bottom of the stamping die core 12 is dispersed, and the phenomenon that the bottom outer edge of the stamping die core 12 is notched and broken in the stamping process due to stress concentration is effectively avoided, so that the service life of the stamping die core 12 is prolonged.
Preferably, in the present embodiment, an included angle formed between the inclined surface 121 and the bottom wall of the stamping core 12 is 120 ° to 150 °. It should be noted that when the included angle formed between the inclined surface 121 and the bottom wall of the stamping die core 12 is too small, the joint between the inclined surface 121 and the bottom wall of the stamping die core 12 is still prone to stress concentration, and the wafer is still prone to fracture in the stamping process, whereas when the included angle formed between the inclined surface 121 and the bottom wall of the stamping die core 12 is too large, the stress concentration is likely to occur between the inclined surface 121 and the side wall of the stamping die core 12, and the risk of fracture of the wafer during the stamping process is still high.
Preferably, in this embodiment, the junction between the inclined surface 121 and the bottom wall of the stamping core 12 and the junction between the inclined surface 121 and the side wall of the stamping core 12 are both provided with rounded corners. By adopting the design, the stress at the bottom of the stamping die core 12 is further dispersed.
The utility model relates to a battery case preforming stamping die's working process does: firstly, an upper die base 11 and a lower die base 21 are respectively installed on a punching machine, a wafer is placed above a supporting table 22, then the punching machine drives the upper die base 11 to move downwards, in the descending process of the upper die base 11, a positioning sleeve 13 is firstly contacted with the wafer, the positioning sleeve 13 is supported by the lower die base 21 after being contacted with the wafer and stops moving downwards, a punching die core 12 is driven by the upper die base 11 to continuously move downwards so as to gradually press the wafer into a forming punched hole 211, and the wafer is preliminarily stretched into a semi-finished product under the matching of the hole wall of the forming punched hole 211 and the outer wall of the punching die core 12. In the process, under the action of the first rebounding mechanism 14, the positioning sleeve 13 applies pressure to the wafer, and further the phenomenon that the periphery of the wafer tilts upwards to influence the quality of a formed product when the stamping die core 12 extrudes the middle of the wafer is avoided. Further, after the semi-finished product is processed, the upper die base 11 is driven by the punching machine to move upwards, and the supporting table 22 is jacked upwards by the second springback mechanism 23 so as to take out the semi-finished product.
Further, the utility model relates to a battery case preforming stamping die accessible is adjusted data such as length, width that punching die core 12, position sleeve 13, shaping punched a hole 211 etc. to divide and establish into first mould, second mould. Adopt the stamping die of this application to carry out the pre-punching press to semi-manufactured goods, can make the edge of battery case distribute tensile shaping, compare with the stamping die of the base angle of drawing out the battery case promptly in the pre-punching press among the prior art, the design of this application can improve the yields of output battery case by a wide margin. It should be noted that, after the first mold punches the wafer into the shape of the box, the positioning sleeve 13 in the second mold to the nth mold moves downward and then is placed inside the semi-finished shell, and the outer wall of the positioning sleeve contacts the inner wall of the semi-finished shell, so as to achieve the positioning effect, and avoid the influence on the product quality due to the position deviation of the semi-finished shell in the downward punching process of the punching mold core 12.
Preferably, in this embodiment, the bottom outer edge of the positioning sleeve 13 is provided with a rounded corner. By adopting the design, the positioning sleeve 13 can enter the semi-finished shell more smoothly, and the semi-finished shell is prevented from being damaged by the positioning sleeve 13 due to pressure.
As a preferable scheme of this embodiment, the middle of the stamping die core 12 is provided with a plurality of vent holes 122. It should be noted that after the stamping die core 12 completes the stamping operation, the semi-finished shell and the stamping die core 12 are easily in a vacuum state, so that when the stamping die core 12 moves upward, the semi-finished shell is driven to move upward together. Therefore, in this embodiment, the vent hole 122 is formed in the middle of the stamping die core 12, and when the stamping die core 12 performs stamping work, the vent hole 122 plays a role in exhausting air and releasing pressure, which is beneficial for the stamping die core 12 to perform stamping forming on a wafer/semi-finished shell, and after the stamping die core 12 completes the stamping work, air can enter a gap between the stamping die core 12 and the semi-finished shell along the vent hole 122, so as to play a role in breaking vacuum, and prevent the semi-finished shell from being brought up by the stamping die core 12. Preferably, the vent hole 122 is connected with an air pipe, the air pipe is connected with an air inlet device, and compressed air is introduced into the vent hole 122 through the air inlet device, so that the semi-finished shell can be further separated from the stamping die core 12.
As a preferred solution of this embodiment, the first resilient mechanism 14 includes a first movable plate 141, a control plate 142, a first force application member 143, a plurality of guide posts 144, and a plurality of position limiting posts 145; the first movable plate 141 is disposed on one side of the upper die holder 11 close to the lower die assembly 2, the control board 142 is disposed on one side of the upper die holder 11 away from the lower die assembly 2, one end of each of the plurality of guide posts 144 is fixedly connected to the first movable plate 141, and the other end thereof penetrates through the upper die holder 11 and is fixedly connected with the control board 142; one end of the upper die holder 11, which is far away from the lower die assembly 2, is provided with limiting grooves corresponding to the number of the limiting columns 145, one end of the upper die holder 11, which is close to the lower die assembly 2, is provided with through holes communicated with the limiting grooves, the top of the limiting columns 145 is provided with limiting blocks, the diameter of the limiting blocks is larger than that of the through holes, the limiting columns 145 penetrate through the through holes and are fixedly connected with the first movable plate 141, and the limiting blocks are arranged in the limiting grooves; the first force application member 143 is mounted on the control plate 142; the positioning sleeve 13 is installed at one end of the first movable plate 141 far away from the upper die holder 11. In this embodiment, the first force applying member 143 continuously applies a force to the control plate 142, and the upper die base 11 applies a supporting force to the control plate 142 to make the control plate 142 in a stationary state. When the positioning sleeve 13 moves down to be attached to the semi-finished shell/wafer, the upper die base 11 still moves down, at this time, the guide column 144 provides a supporting force for the control board 142, the acting force applied by the first force application member 143 to the control board 142 acts on the first movable plate 141 through the limiting column 145, and then the positioning sleeve 13 is pressed on the wafer/semi-finished shell, so that the wafer/semi-finished shell is kept stable in the stamping process, and the quality of the stamping formed product is improved.
Preferably, the first force applying member 143 includes a plurality of first springs; a plurality of first fixing rods corresponding to the number of the first springs are mounted at one end, away from the lower die assembly 2, of the upper die base 11, and penetrate through the control board 142, and first stop blocks are arranged at one ends, away from the upper die base 11, of the first fixing rods; the first springs are sleeved on the corresponding first fixing rods, one ends of the first springs are in contact with the first stop blocks, and the other ends of the first springs are in contact with the control panel 142. Specifically, the acting force of the first force applying member 143 on the first movable plate 141 is an elastic force of a first spring.
Preferably, the first force application member 143 includes a first cylinder; a fixed frame is arranged on one side of the control plate 142, which is far away from the upper die holder 11, and the fixed frame is fixedly connected with the upper die holder 11; the first cylinder is mounted on the fixing frame, and the output end of the first cylinder is fixedly connected with the control board 142. Specifically, the acting force applied by the first force application member 143 to the first movable plate 141 is a thrust force applied by a first cylinder.
As a preferable solution of this embodiment, a plurality of positioning pillars 131 are disposed outside the positioning sleeve 13, and the plurality of positioning pillars 131 are fixedly connected to the first movable plate 141; the lower die base 21 is provided with a plurality of positioning grooves 212 corresponding to the positioning posts 131. When the positioning sleeve 13 contacts with the lower die base 21, the positioning column 131 is placed in the positioning groove 212, so as to improve the positioning stability of the positioning sleeve 13 on the semi-finished shell.
In a preferred embodiment of the present invention, a molding guide wall surface 213 is provided on a side of the molding punch 211 close to the upper die assembly 1. The forming guide wall surface 213 serves as a transition surface, so that the semi-finished box body can be more smoothly stretched and formed, and more smoothly enters the forming punch hole 211.
As a preferable aspect of the present embodiment, the second resilient mechanism 23 includes a connecting seat 231, a second movable plate 232, and a second force application member 233; the second movable plate 232 is arranged on one side of the lower die base 21 far away from the upper die assembly 1, and the connecting base 231 is fixedly connected to one end, close to the lower die base 21, of the second movable plate 232 and is fixedly connected with the supporting table 22; the second force application member 233 is mounted on the second movable plate 232; the bottom of the lower die holder 21 is provided with a limiting member, and when the first movable plate 141 contacts the upper die holder 11, the supporting platform 22 just contacts the limiting member. Specifically, the lower die holder 21 is installed on the top of the lower base of the stamping machine, and the second force application member 233 is fixedly connected to the stamping machine and applies an acting force to the second movable plate 232, so that the second movable plate 232 is attached to the bottom of the lower base. When the stamping die core 12 moves downwards, the acting force applied by the second force application member 233 is smaller than the downward pressure of the stamping die core 12, so that the support platform 22 is pressed to move downwards until contacting with the limiting member, and after the stamping die core 12 finishes stamping the semi-finished box body, the second movable plate 232 is jacked up by the second force application member 233 again until contacting with the lower machine base, so as to eject the semi-finished box body.
Preferably, the second force application member 233 comprises a plurality of second springs; a plurality of second fixing rods are arranged on one side of the lower die holder 21, which is far away from the upper die assembly 1, the number of the second fixing rods corresponds to the number of the second springs, the second fixing rods are fixedly arranged, and a second stop block is arranged at one end, which is far away from the lower die holder 21, of each second fixing rod; the second movable plate 232 is slidably connected with a plurality of second fixed rods; the second springs are sleeved on the corresponding second fixing rods, one end of each second spring is in contact with the second stopper, and the other end of each second spring is in contact with the second movable plate 232. Specifically, the acting force of the second force application member 233 on the second movable plate 232 is the elastic force of the second spring.
Preferably, the second force application member 233 includes a second cylinder; the second cylinder is fixedly disposed, and an output end of the second cylinder is fixedly connected to the second movable plate 232. Specifically, the acting force applied by the second force application member 233 to the second movable plate 232 is the thrust of the second cylinder.
The utility model relates to a battery case preforming stamping die through reasonable structure setting, has solved current battery case stamping die and has been the vertical construction because of the diapire and the lateral wall of tensile terrace die, causes stress concentration, easily leads to the damage of tensile terrace die, and when carrying out the punching press to the disk, once only causes the cracked problem in bottom easily in its bottom tensile right angle operation technology.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the structure thereof is not limited to the shapes illustrated above, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The battery case preforming stamping die is characterized in that: including last mould subassembly and lower mould subassembly, wherein:
the upper die assembly comprises an upper die base, a stamping die core and a positioning sleeve; the stamping die core is arranged at one end of the upper die base close to the lower die assembly, and an inclined surface is arranged on the periphery of one side of the stamping die core far away from the upper die base; the upper die holder is provided with a first rebounding mechanism, the positioning sleeve is sleeved outside the stamping die core and is connected with the stamping die core in a sliding manner, the positioning sleeve is connected with the first rebounding mechanism, and the first rebounding mechanism is used for applying acting force pointing to the lower die assembly on the positioning sleeve;
the lower die assembly comprises a lower die base and a supporting table; the middle part of the lower die base is provided with a forming punching hole; the supporting table is arranged in the forming punch hole, a second rebounding mechanism is installed at one end, far away from the upper die assembly, of the supporting table, and the second rebounding mechanism is used for exerting acting force, pointing to the upper die assembly, on the supporting table.
2. The battery case preforming press die of claim 1, wherein: and the middle part of the stamping die core is provided with a plurality of vent holes.
3. The battery case preforming press die of claim 1, wherein: the first rebounding mechanism comprises a first movable plate, a control plate, a first force application piece, a plurality of guide columns and a plurality of limiting columns; the first movable plate is arranged on one side, close to the lower die assembly, of the upper die base, the control plate is arranged on one side, far away from the lower die assembly, of the upper die base, one end of each guide column is fixedly connected to the first movable plate, and the other end of each guide column penetrates through the upper die base and is fixedly connected with the control plate; one end of the upper die holder, which is far away from the lower die assembly, is provided with limiting grooves corresponding to the limiting columns in number, one end of the upper die holder, which is close to the lower die assembly, is provided with through holes communicated with the limiting grooves, the tops of the limiting columns are provided with limiting blocks, the diameters of the limiting blocks are larger than those of the through holes, the limiting columns penetrate through the through holes and are fixedly connected with the first movable plate, and the limiting blocks are arranged in the limiting grooves; the first force application member is arranged on the control plate; the locating sleeve is installed at one end, far away from the upper die base, of the first movable plate.
4. The battery case preforming press die of claim 3, wherein: the first force application part comprises a plurality of first springs; a plurality of first fixing rods corresponding to the number of the first springs are mounted at one end, away from the lower die assembly, of the upper die base, and penetrate through the control panel, and first stop blocks are arranged at one ends, away from the upper die base, of the first fixing rods; the first spring sleeves the corresponding first fixing rods, one end of the first spring is contacted with the first stop block in a contact mode, and the other end of the first spring is contacted with the control board in a contact mode.
5. The battery case preforming press die of claim 3, wherein: the first force application member comprises a first air cylinder; a fixing frame is arranged on one side, away from the upper die base, of the control panel, and the fixing frame is fixedly connected with the upper die base; the first air cylinder is installed on the fixing frame, and the output end of the first air cylinder is fixedly connected with the control panel.
6. The battery case preforming press die of claim 3, wherein: a plurality of positioning columns are arranged on the outer side of the positioning sleeve and fixedly connected to the first movable plate; and the lower die base is provided with a plurality of positioning grooves corresponding to the positioning columns.
7. The battery case preforming press die of claim 1, wherein: one side of the forming punched hole close to the upper die assembly is provided with a forming guide wall surface which is obliquely arranged.
8. The battery case preforming press die of claim 3, wherein: the second resilience mechanism comprises a connecting seat, a second movable plate and a second force application member; the second movable plate is arranged on one side, away from the upper die assembly, of the lower die base, and the connecting base is fixedly connected to one end, close to the lower die base, of the second movable plate and is fixedly connected with the supporting table; the second force application member is mounted on the second movable plate; the bottom of the lower die holder is provided with a limiting part, and when the first movable plate is attached to and contacted with the upper die holder, the supporting table is just attached to and contacted with the limiting part.
9. The battery case preforming press die of claim 8, wherein: the second force application part comprises a plurality of second springs; a plurality of second fixing rods are arranged on one side, away from the upper die assembly, of the lower die base, the number of the second fixing rods corresponds to the number of the second springs, the second fixing rods are fixedly arranged, and a second stop block is installed at one end, away from the lower die base, of each second fixing rod; the second movable plate is connected with a plurality of second fixed rods in a sliding manner; the second springs are sleeved on the corresponding second fixed rods, one end of each second spring is in contact with the second stop block, and the other end of each second spring is in contact with the second movable plate.
10. The battery case preforming press die of claim 8, wherein: the second force application member comprises a second cylinder; the second cylinder is fixedly arranged, and the output end of the second cylinder is fixedly connected with the second movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223036453.9U CN218744215U (en) | 2022-11-15 | 2022-11-15 | Battery case preforming stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223036453.9U CN218744215U (en) | 2022-11-15 | 2022-11-15 | Battery case preforming stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218744215U true CN218744215U (en) | 2023-03-28 |
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ID=85649199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223036453.9U Active CN218744215U (en) | 2022-11-15 | 2022-11-15 | Battery case preforming stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218744215U (en) |
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2022
- 2022-11-15 CN CN202223036453.9U patent/CN218744215U/en active Active
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