Chassis of ceiling lamp, ceiling lamp and stamping die

Abstract

The base plate comprises a bottom plate and a first side plate, the first side plate is arranged on the upper side of the periphery of the bottom plate, the first side plate is provided with a convex hull which is integrally formed in a punching mode, the convex hull protrudes towards the middle of the base plate, and the convex hull is used for being connected with a lampshade. When the base plate is produced, the convex hulls can be synchronously punched during punching, that is, the convex hulls are adopted to replace an existing rivet structure, the base plate can be connected with a lampshade through the convex hulls when the base plate is connected with the lampshade, and therefore production procedures can be reduced during production, material and labor cost can be reduced, in addition, the width of the convex hulls can be designed to be large, and production efficiency is improved. Therefore, the contact area between the convex hulls and the lampshade can be increased, and the stability of connection between the base plate and the lampshade is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, and particularly relates to a chassis of a ceiling lamp, a ceiling lamp and a stamping die. Background Art

[0002] At present, the production process of the chassis of a ceiling lamp is divided into five steps, namely stretching and forming, blanking and curling, punching, riveting and powder spraying. The rivet is used for clamping and fixing with the lampshade. After punching, it needs to be transported to a nail machine for the riveting process. The assembly process is relatively complex, and the material cost and corresponding labor cost of the rivet are relatively high. In addition, the chassis is clamped with the lampshade through the rivet. However, due to the small diameter of the rivet, the size of the rivet limits the small contact area, resulting in insufficient firmness of the connection between the lampshade and the chassis. For example, when the lampshade undergoes thermal expansion and contraction deformation, there is a risk of the lamp falling. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide a chassis of a ceiling lamp, a ceiling lamp and a stamping die, aiming to solve the technical problems in the prior art that the rivet assembly process of the chassis is relatively complex, the material and labor costs are relatively high, and the connection between the rivet and the lampshade is not firm enough.

[0004] To achieve the above purpose, the first aspect of the utility model provides a chassis of a ceiling lamp, including a bottom plate and a first side plate. The first side plate is arranged on the upper side of the outer periphery of the bottom plate, and a convex bump integrally formed by stamping is arranged on the first side plate. The convex bump protrudes towards the middle of the chassis, and the convex bump is used for connecting with the lampshade.

[0005] When producing this chassis, the convex bump can be simultaneously stamped during punching, that is, the convex bump replaces the existing rivet structure. When connecting the chassis and the lampshade, the convex bump can be used to connect with the lampshade. Thus, the production process can be reduced during production, and the material and labor costs can be reduced. In addition, the width of the convex bump can be designed to be relatively wide without being limited by the size of the rivet, so that the contact area between the convex bump and the lampshade can be increased, and the firmness of the connection between the chassis and the lampshade can be improved.

[0006] Preferably, the number of the convex bumps is multiple, and the multiple convex bumps are circumferentially and evenly distributed on the first side plate.

[0007] Preferably, the width of the convex bump is greater than the height.

[0008] Preferably, the width of the convex bump is 8 - 20 mm.

[0009] In the second aspect of the present utility model, a ceiling lamp having the above chassis is further proposed. The ceiling lamp further includes a lampshade detachably connected to the chassis. The lampshade is disposed on the upper side of the chassis. The lampshade includes a second side plate disposed inside the first side plate. A connection card slot is provided on the second side plate. A connection opening is provided below the connection card slot. The convex bump can pass through the connection opening and be clamped in the connection card slot.

[0010] By adopting the above chassis, the production cost of the ceiling lamp can be reduced, and the connection stability between the chassis and the lampshade can be improved.

[0011] In the third aspect of the present utility model, a stamping die for producing the above chassis is further proposed. The stamping die includes an upper die assembly and a lower die assembly. The lower die assembly is located below the upper die assembly;

[0012] The lower die assembly includes a lower template. A placement area for placing the chassis is provided on the upper side of the lower template. A lower slider is slidably connected to the lower template. The lower slider is disposed outside the placement area. The lower slider can slide in a direction close to or away from the middle of the placement area. A horizontally disposed convex die is fixedly connected to the lower slider. The convex die is disposed on the upper side of the lower template. The convex die faces the middle of the placement area;

[0013] The upper die assembly includes an upper template and an upper movable template. The upper template and the lower template can move relatively up and down to approach or move away from each other. The upper movable template is disposed below the upper template. The upper movable template is slidably connected to the upper template in the up and down direction. A punching punch for punching holes in the bottom plate is fixedly connected to the lower side of the upper template. An upper slider is slidably connected to the upper movable template. The upper slider is disposed on one side of the lower slider close to the middle of the placement area. The first side plate can be placed between the upper slider and the lower slider. A groove with a horizontally disposed opening is provided on the upper slider. The opening of the groove is disposed on one side away from the middle of the placement area. The convex die and the groove are arranged in a matching position, so that when the convex die is inserted into the groove, the convex bump can be stamped on the first side plate;

[0014] A first side push punch and a second side push punch are fixedly connected to the lower side of the upper template;

[0015] The first side push punch is disposed above the lower slider. The first side push punch is arranged in a matching manner with the lower slider, so that when the first side push punch and the lower slider approach each other, the first side push punch can push the lower slider to slide toward the middle of the placement area;

[0016] The second side punching punch is arranged on the upper side of the upper slider, and the second side punching punch is arranged in a matching manner with the upper slider, so that when the second side punching punch and the upper slider approach each other, the second side punching punch can push the upper slider to slide towards the side away from the middle of the placement area.

[0017] During stamping, the chassis is placed in the placement area of the lower template, the upper die assembly moves downward, and the upper movable template stops after pressing down on the bottom plate. At this time, the first side plate of the chassis is between the lower slider and the upper slider; the upper template, the punching punch, the first side punching punch, and the second side punching punch continue to move downward. The punching punch punches the bottom plate of the chassis. At the same time, the first side punching punch pushes the lower slider towards the first side plate, and the second side punching punch pushes the upper slider towards the first side plate. The punch on the lower slider punches towards the first side plate and sinks into the groove on the upper slider to form a boss. This stamping die can form a boss while punching the chassis, reducing the existing riveting process, improving the processing efficiency and reducing the processing cost.

[0018] Preferably, a first lower pushing inclined surface is provided on the lower slider, and the first lower pushing inclined surface is inclined from top to bottom towards the side away from the middle of the placement area. A second lower pushing inclined surface that is arranged in a matching manner with the first lower pushing inclined surface is provided on the first side punching punch; a first upper pushing inclined surface is provided on the upper slider, and the first upper pushing inclined surface is inclined from top to bottom towards the side close to the middle of the placement area. A second upper pushing inclined surface that is arranged in a matching manner with the first upper pushing inclined surface is provided on the second side punching punch.

[0019] Preferably, the lower die assembly further includes a first return spring, and both ends of the first return spring are respectively connected to the lower slider and the lower template. The first return spring can reset the lower slider when the first side punching punch and the upper slider move away from each other; the upper die assembly further includes a second return spring, and both ends of the second return spring are respectively connected to the upper slider and the upper movable template. The second return spring can reset the upper slider when the second side punching punch and the upper slider move away from each other.

[0020] After stamping is completed, the upper die assembly moves upward, the lower slider is reset under the action of the first return spring, the upper slider is reset under the action of the second return spring, the lower slider and the upper slider automatically move away from the first side plate, and the punch and the groove automatically move away from the boss, which is convenient for taking out the base.

[0021] Preferably, the lower die assembly further includes a blank holder, which is disposed on the upper side of the lower template. The blank holder is slidably connected to the lower slide block in a direction close to or away from the middle of the placement area. The blank holder is disposed on one side of the lower slide block close to the middle of the placement area. The side surface of the blank holder close to the middle of the placement area can press the outer side surface of the first side plate when stamping the convex hull. A sliding hole is provided on the blank holder, and the punch passes through the sliding hole. A blank holding spring is connected between the blank holder and the lower slide block.

[0022] When the lower slide block approaches the first side plate, under the action of the blank holding spring, the blank holder also approaches the first side plate at the same time. The blank holder can press the first side plate onto the upper slide block. The blank holder and the upper slide block press both sides of the first side plate. Then, the punch penetrates through the blank holder to stamp out the convex hull to ensure the formed shape of the convex hull. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those skilled in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0024] Figure 1 is a schematic structural diagram of the chassis of the present invention;

[0025] Figure 2 is a schematic top view structural diagram of the chassis of the present invention;

[0026] Figure 3 is a schematic exploded structural diagram of the ceiling lamp of the present invention;

[0027] Figure 4 is a schematic structural diagram of the upper die assembly and the lower die assembly when separated in the stamping die of the present invention;

[0028] Figure 5 is a schematic structural diagram of the upper movable template of the upper die assembly pressing the base in the stamping die of the present invention;

[0029] Figure 6 is Figure 5 a partial enlarged view of A in;

[0030] Figure 7 is a schematic structural diagram of punching the base and forming the convex hull in the stamping die of the present invention;

[0031] Figure 8 is Figure 7 a partial enlarged view of B in.

[0032] In the accompanying drawings: 1 - chassis, 11 - base plate, 12 - first side plate, 13 - convex hull, 2 - lamp housing, 21 - second side plate, 22 - connection card slot, 221 - connection opening, 3 - upper die assembly, 31 - upper template, 32 - upper movable template, 321 - second chute, 33 - punching punch, 34 - upper slider, 341 - groove, 342 - first upper pushing inclined surface, 35 - first side pushing punch, 351 - second lower pushing inclined surface, 36 - second side pushing punch, 361 - second upper pushing inclined surface, 37 - second return spring, 4 - lower die assembly, 41 - lower template, 411 - placement area, 412 - first chute, 42 - lower slider, 421 - first lower pushing inclined surface, 43 - punch, 44 - first return spring, 45 - pressure block, 452 - pressure spring.

[0033] The realization, functional features and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments and with reference to the accompanying drawings. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the protection scope of the present utility model.

[0035] It should be noted that if there are directional indications in the embodiments of the present utility model, such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if there are descriptions such as "first" and "second" in the embodiments of the present utility model, then the descriptions of "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0037] Such as Figure 1 and Figure 2As shown in the figure, a chassis 1 of a ceiling lamp includes a bottom plate 11 and a first side plate 12. The first side plate 12 is provided on the upper side of the outer periphery of the bottom plate 11. There is a convex bump 13 integrally formed by stamping on the first side plate 12. The convex bump 13 protrudes towards the middle of the chassis 1 and is used to connect with the lamp shade 2.

[0038] When manufacturing the chassis 1, the convex bump 13 can be stamped out synchronously during punching, that is, the convex bump 13 replaces the existing rivet structure. When connecting the chassis 1 and the lamp shade 2, they can be connected through the convex bump 13. Thus, the production process can be reduced during production, and the material and labor costs can be lowered. In addition, the width of the convex bump 13 can be designed to be relatively wide and is not restricted by the size of the rivet. Therefore, the contact area between the convex bump 13 and the lamp shade 2 can be increased, and the connection stability between the chassis 1 and the lamp shade 2 can be improved.

[0039] In some specific embodiments, the number of the convex bumps 13 is multiple, and the multiple convex bumps 13 are circumferentially and evenly distributed on the first side plate 12.

[0040] In some specific embodiments, the width of the convex bump 13 is greater than the height. Preferably, the width of the convex bump 13 is 8 - 20 mm, which has a relatively large contact area with the lamp shade 2 and is easy to process.

[0041] In the second aspect, referring to Figure 3 , a ceiling lamp having the above - mentioned chassis 1 further includes a lamp shade 2 detachably connected to the chassis 1. The lamp shade 2 is provided on the upper side of the chassis 1. The lamp shade 2 includes a second side plate 21. The second side plate 21 is provided inside the first side plate 12. There is a connection slot 22 on the second side plate 21. There is a connection opening 221 on the lower side of the connection slot 22. The convex bump 13 can pass through the connection opening 221 and be clamped in the connection slot 22. When the convex bump 13 passes through the connection opening 221, rotate the lamp shade 2 to make the convex bump 13 enter the connection slot 22 to achieve clamping connection. The connection slot 22 of the lamp shade 2 can adopt the existing slot structure.

[0042] By adopting the above - mentioned chassis 1, the production cost of the ceiling lamp can be reduced, and the connection stability between the chassis 1 and the lamp shade 2 can be improved.

[0043] In the third aspect, referring to Figures 4 to 8 , a stamping die for manufacturing the above - mentioned chassis 1 includes an upper die assembly 3 and a lower die assembly 4. The lower die assembly 4 is located below the upper die assembly 3.

[0044] The lower die assembly 4 includes a lower template 41. On the upper side of the lower template 41, there is a placement area 411 for placing the chassis 1. When placing the chassis 1, the bottom plate 11 is on the lower side and the first side plate 12 is on the upper side. A lower slider 42 is slidably connected to the lower template 41. The lower slider 42 is arranged outside the placement area 411 and can slide in a direction close to or away from the middle of the placement area 411. A horizontally arranged punch 43 is fixedly connected to the lower slider 42. The punch 43 is arranged on the upper side of the lower template 41 and faces the middle of the placement area 411. A first chute 412 can be provided on the lower template 41, and the lower side of the lower slider 42 is slidably connected to the first chute 412.

[0045] The upper die assembly 3 includes an upper template 31 and an upper movable template 32. The upper template 31 and the lower template 41 can move relatively up and down to approach or move away from each other. The upper movable template 32 is arranged on the lower side of the upper template 31 and is slidably connected to the upper template 31 in the up and down direction. A punching punch 33 for punching holes in the bottom plate 11 is fixedly connected to the lower side of the upper template 31. An upper slider 34 is slidably connected to the upper movable template 32. The upper slider 34 is arranged on one side of the lower slider 42 close to the middle of the placement area 411. The first side plate 12 can be placed between the upper slider 34 and the lower slider 42. A groove 341 with a horizontally arranged opening is provided on the upper slider 34. The opening of the groove 341 is arranged on the side away from the middle of the placement area 411. The punch 43 and the groove 341 are arranged in a position-matching manner, so that when the punch 43 is inserted into the groove 341, a convex bump 13 can be punched on the first side plate 12. A second chute 321 can be provided on the upper movable template 32, and the upper slider 34 is slidably connected to the second chute 321.

[0046] A first side push punch 35 and a second side push punch 36 are fixedly connected to the lower side of the upper template 31;

[0047] The first side push punch 35 is arranged on the upper side of the lower slider 42 and is arranged in a matching manner with the lower slider 42, so that when the first side push punch 35 and the lower slider 42 approach each other, the first side push punch 35 can push the lower slider 42 to slide towards the side close to the middle of the placement area 411;

[0048] The second side push punch 36 is arranged on the upper side of the upper slider 34 and is arranged in a matching manner with the upper slider 34, so that when the second side push punch 36 and the upper slider 34 approach each other, the second side push punch 36 can push the upper slider 34 to slide towards the side away from the middle of the placement area 411.

[0049] During stamping, the chassis 1 is placed in the placement area 411 of the lower template 41. The upper die assembly 3 moves downward. After the upper movable template 32 presses down on the bottom plate 11, it stops. Refer to Figure 5 and Figure 6, at this time, the first side plate 12 of the chassis 1 is between the lower slider 42 and the upper slider 34; the upper template 31, the punching punch 33, the first side push punch 35 and the second side push punch 36 continue to move downward. The punching punch 33 punches the bottom plate 11 of the chassis 1. At the same time, the first side push punch 35 pushes the lower slider 42 towards the first side plate 12, and the second side push punch 36 pushes the upper slider 34 towards the first side plate 12. The punch 43 on the lower slider 42 punches towards the first side plate 12 and sinks into the groove 341 of the upper slider 34 to form a convex bump 13. Refer to Figure 7 and Figure 8 . This stamping die can form the convex bump 13 while punching the chassis 1, reducing the existing riveting process, improving the processing efficiency and reducing the processing cost.

[0050] In some specific embodiments, the lower slider 42 is provided with a first downward pushing inclined surface 421, and the first downward pushing inclined surface 421 is inclined from top to bottom towards the side away from the middle of the placing area 411. The first side push punch 35 is provided with a second downward pushing inclined surface 351 that is matched with the first downward pushing inclined surface 421; the upper slider 34 is provided with a first upward pushing inclined surface 342, and the first upward pushing inclined surface 342 is inclined from top to bottom towards the side close to the middle of the placing area 411. The second side push punch 36 is provided with a second upward pushing inclined surface 361 that is matched with the first upward pushing inclined surface 342.

[0051] When the first side push punch 35 moves downward, the first downward pushing inclined surface 421 abuts against the second downward pushing inclined surface 351. As the first side push punch 35 continues to move downward, the first downward pushing inclined surface 421 and the second downward pushing inclined surface 351 slide relative to each other, and the lower slider 42 can be pushed towards the middle of the placing area 411; when the second side push punch 36 moves downward, the first upward pushing inclined surface 342 abuts against the second upward pushing inclined surface 361. As the second side push punch 36 continues to move downward, the first upward pushing inclined surface 342 and the second upward pushing inclined surface 361 slide relative to each other, and the upper slider 34 can be pushed away from the middle of the placing area 411, thereby realizing the conversion of the up-and-down movement of the upper die assembly 3 into the lateral movement of the upper slider 34 and the lower slider 42, and the structure is relatively simple.

[0052] In some specific embodiments, the lower die assembly 4 further includes a first return spring 44. The first return spring 44 can be arranged in the first chute 412, and both ends of the first return spring 44 are respectively connected to the lower slider 42 and the lower template 41. The first return spring 44 can make the lower slider 42 reset when the first side push punch 35 and the upper slider 34 move away from each other; the upper die assembly 3 further includes a second return spring 37. The second return spring 37 can be arranged in the second chute 321, and both ends of the second return spring 37 are respectively connected to the upper slider 34 and the upper movable template 32. The second return spring 37 can make the upper slider 34 reset when the second side push punch 36 and the upper slider 34 move away from each other.

[0053] During the stamping process, the first return spring 44 and the second return spring 37 are compressed; after the stamping is completed, the upper die assembly 3 moves upward, the lower slider 42 is reset under the action of the first return spring 44, the upper slider 34 is reset under the action of the second return spring 37, the lower slider 42 and the upper slider 34 automatically move away from the first side plate 12, and the punch 43 and the groove 341 automatically move away from the convex hull 13, facilitating the removal of the base.

[0054] In some specific embodiments, the lower die assembly 4 further includes a blank holder 45. The blank holder 45 is disposed on the upper side of the lower template 41. The blank holder 45 is slidably connected to the lower slider 42 along the direction of approaching or departing from the middle of the placement area 411. The blank holder 45 is disposed on one side of the lower slider 42 close to the middle of the placement area 411. The side surface of the blank holder 45 close to the middle of the placement area 411 can press against the outer side surface of the first side plate 12 when stamping the convex hull 13. A sliding hole is provided on the blank holder 45, and the punch 43 passes through the sliding hole. A blank holding spring 452 is connected between the blank holder 45 and the lower slider 42.

[0055] When the lower slider 42 approaches the first side plate 12, under the action of the blank holding spring 452, the blank holder 45 also approaches the first side plate 12 simultaneously. The blank holder 45 can press the first side plate 12 against the upper slider 34. The blank holder 45 and the upper slider 34 press against both sides of the first side plate 12, and then the punch 43 penetrates through the blank holder 45 to stamp out the convex hull 13 to ensure the formed shape of the convex hull 13.

[0056] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A chassis of a ceiling lamp, characterized in that: The lamp comprises a bottom plate (11) and a first side plate (12), wherein the first side plate (12) is arranged on the upper side of the outer periphery of the bottom plate (11), and the first side plate (12) is provided with an integrally stamped convex bump (13), wherein the convex bump (13) protrudes toward the middle of the chassis (1), and the convex bump (13) is used to be connected to the lampshade (2).

2. The chassis according to claim 1, characterized in that The number of the convex hulls (13) is multiple, and the multiple convex hulls (13) are evenly distributed on the first side plate (12) in the circumferential direction.

3. The chassis according to claim 1, characterized in that The width of the convex hull (13) is greater than its height.

4. The chassis according to claim 1, characterized in that The width of the convex hump (13) is 8-20 mm.

5. A ceiling lamp, characterized in that: The ceiling lamp comprises a chassis (1) as claimed in any one of claims 1 to 4, and the ceiling lamp further comprises a lampshade (2) detachably connected to the chassis (1), the lampshade (2) being arranged on the upper side of the chassis (1), the lampshade (2) comprising a second side panel (21), the second side panel (21) being arranged on the inner side of the first side panel (12), a connecting slot (22) being provided on the second side panel (21), a connecting opening (221) being provided on the lower side of the connecting slot (22), and the convex bump (13) being able to pass through the connecting opening (221) and be clamped in the connecting slot (22).

6. A stamping die, characterized in that: Used to produce a chassis (1) as claimed in any one of claims 1 to 4, the stamping die comprises an upper die assembly (3) and a lower die assembly (4), the lower die assembly (4) being located at the lower side of the upper die assembly (3); The lower mold assembly (4) comprises a lower mold plate (41), the upper side of the lower mold plate (41) is provided with a placement area (411) for placing the chassis (1), the lower mold plate (41) is slidably connected with a lower slider (42), the lower slider (42) is arranged on the outer side of the placement area (411), the lower slider (42) can slide in a direction close to or away from the middle of the placement area (411), the lower slider (42) is fixedly connected with a transversely arranged convex mold (43), the convex mold (43) is arranged on the upper side of the lower mold plate (41), and the convex mold (43) faces the middle of the placement area (411); The upper mold assembly (3) comprises an upper mold plate (31) and an upper movable mold plate (32). The upper mold plate (31) and the lower mold plate (41) can move relative to each other up and down to approach or move away from each other. The upper movable mold plate (32) is arranged on the lower side of the upper mold plate (31). The upper movable mold plate (32) is slidably connected to the upper mold plate (31) along the upper and lower directions. A punching punch (33) for punching holes on the bottom plate (11) is fixedly connected to the lower side of the upper mold plate (31). An upper slider (34) is slidably connected to the upper movable mold plate (32). The upper slider (34) is arranged on the lower side of the upper mold plate (31). The first side plate (12) can be placed between the upper slider (34) and the lower slider (42) on one side of the lower slider (42) close to the middle of the placement area (411); the upper slider (34) is provided with a groove (341) with an opening arranged transversely; the opening of the groove (341) is arranged on a side away from the middle of the placement area (411); the convex mold (43) and the groove (341) are arranged in matching positions, so that when the convex mold (43) is inserted into the groove (341), the convex bump (13) can be punched out on the first side plate (12); A first side push punch (35) and a second side push punch (36) are fixedly connected to the lower side of the upper template (31); The first side push punch (35) is arranged on the upper side of the lower slider (42), and the first side push punch (35) is matched with the lower slider (42), so that when the first side push punch (35) and the lower slider (42) are close to each other, the first side push punch (35) can push the lower slider (42) to slide toward a side close to the middle of the placement area (411); The second side push punch (36) is arranged on the upper side of the upper slider (34), and the second side push punch (36) is matched with the upper slider (34) so ​​that when the second side push punch (36) and the upper slider (34) are close to each other, the second side push punch (36) can push the upper slider (34) to slide to a side away from the middle of the placement area (411).

7. The stamping die according to claim 6, characterized in that: The lower slider (42) is provided with a first lower push inclined surface (421), the first lower push inclined surface (421) is inclined from top to bottom toward a side away from the middle of the placement area (411), and the first side push punch (35) is provided with a second lower push inclined surface (351) matched with the first lower push inclined surface (421); The upper slider (34) is provided with a first upper push inclined surface (342), and the first upper push inclined surface (342) is inclined from top to bottom toward one side close to the middle of the placement area (411), and the second side push punch (36) is provided with a second upper push inclined surface (361) matched with the first upper push inclined surface (342).

8. The stamping die according to claim 6, characterized in that: The lower die assembly (4) further comprises a first return spring (44), the two ends of which are respectively connected to the lower slider (42) and the lower die plate (41), and the first return spring (44) is capable of returning the lower slider (42) to its original position when the first side push punch (35) and the upper slider (34) are spaced apart. The upper mold assembly (3) also includes a second return spring (37), the two ends of which are respectively connected to the upper slider (34) and the upper movable mold plate (32), and the second return spring (37) can return the upper slider (34) to its original position when the second side push punch (36) and the upper slider (34) are separated from each other.

9. The stamping die according to claim 6, characterized in that: The lower mold assembly (4) also includes a pressing block (45), which is arranged on the upper side of the lower mold plate (41). The pressing block (45) is slidably connected with the lower slider (42) along a direction close to or away from the middle of the placement area (411). The pressing block (45) is arranged on one side of the lower slider (42) close to the middle of the placement area (411). The side surface of the pressing block (45) close to the middle of the placement area (411) can press the outer side surface of the first side plate (12) when punching the convex bump (13). The pressing block (45) is provided with a sliding hole, and the convex mold (43) passes through the sliding hole. A pressing spring (452) is connected between the pressing block (45) and the lower slider (42).

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