Plate bending and stamping die

Abstract

The utility model relates to the technical field of forming die equipment, in particular to a plate bending and stamping die which comprises an upper die, a lower die and a jacking assembly, the upper die is connected with an upper forming core piece, the lower die is provided with a lower forming core piece, the lower forming core piece comprises a first lower forming core piece connected to the lower die, and the jacking assembly comprises a second lower forming core piece connected to the lower die. The second lower forming core piece is connected with the lower die through a jacking assembly; when the upper mold and the lower mold are closed, the upper forming core piece, the first lower forming core piece and the second lower forming core piece form a cavity, and the upper forming core piece and / or the lower forming core piece are / is further provided with a plurality of air channels communicated with the cavity. The stamping die is convenient to use, demolding can be facilitated after a plate is stamped, the working efficiency can be improved, and the cleaning efficiency can also be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molding die equipment, and more specifically, to a sheet bending and stamping die. Background Art

[0002] A storage tank is a commonly used material storage device, which can be used to store and distribute powdered materials such as bulk cement, fly ash, and mineral powder. At present, the production of a storage tank can be achieved by bending a steel plate into an arc-shaped sheet, and then assembling the arc-shaped sheets to form a cylindrical structure, thereby obtaining a storage tank. Although the existing stamping die can perform stamping forming of arc-shaped sheets, the arc-shaped sheets after stamping are embedded in the cavity, and it is necessary to cooperate with multiple workers to jack up and take out the arc-shaped sheets, which is not convenient for operation and it is difficult to effectively improve the operation efficiency; moreover, dust is inevitably generated in the die during the stamping process, and at present, it still needs to be collected and cleaned manually, which is rather cumbersome. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a sheet bending and stamping die, which is convenient to use, can facilitate demoulding after the sheet stamping is completed, improve the operation efficiency, and also improve the cleaning efficiency.

[0004] To solve the above technical problems, the technical solution adopted by the utility model is:

[0005] Provide a sheet bending and stamping die, including an upper die, a lower die, and a jacking assembly. The upper die is connected with an upper forming core part, the lower die is provided with a lower forming core part, the lower forming core part includes a first lower forming core part connected to the lower die, and further includes a second lower forming core part connected to the lower die through the jacking assembly; when the upper die and the lower die are closed, the upper forming core part, the first lower forming core part, and the second lower forming core part form a cavity, and a plurality of air channels communicating with the cavity are further provided on the upper forming core part and / or the lower forming core part.

[0006] Preferably, the lower die is provided with a receiving groove for accommodating the second lower forming core part, and the second lower forming core part is slidably arranged in the receiving groove; the first lower forming core part includes a plurality of inserts, and the plurality of inserts are arranged around the edge of the opening of the receiving groove; a plurality of convex point structures are provided on the surface of the insert in contact with the second lower forming core part; a second avoidance groove corresponding to the position of the convex point structure is provided on the side wall of the second lower forming core part.

[0007] Preferably, the air channel is arranged at the second lower forming core part, the jacking assembly includes a cylinder, the cylinder is arranged in the receiving groove, the cylinder block of the cylinder is connected to the bottom of the receiving groove, and the piston rod of the cylinder is connected to the second lower forming core part.

[0008] Preferably, a chute is further provided on the side wall of the second lower forming core member, a limiting block corresponding to the position of the chute is provided in the accommodating groove, and the limiting block is slidably arranged in the chute.

[0009] Preferably, the upper forming core member includes a forming plate and a plurality of panel boards arranged around the forming plate, and the forming plate and the panel boards constitute the forming surface of the upper forming core member; a plurality of concave point structures corresponding to the positions of the convex point structures are provided on the panel boards, and the panel boards are detachably connected to the upper die.

[0010] Preferably, a plurality of installation grooves communicating with the cavity are provided on the second lower forming core member, and sensors are arranged in the installation grooves.

[0011] Preferably, the surface of the second lower forming core member facing the upper die is a lower forming surface, the lower forming surface is an arc convex surface, the surface of the upper forming core member facing the lower die is an upper forming surface, and the upper forming surface is an arc concave surface adapted to the arc convex surface.

[0012] Preferably, the sheet metal bending and stamping die further includes a plurality of positioning strips, the positioning strips are connected to the positions on the first pair of sides of the lower die, and the side of the positioning strips close to the second lower forming core member is an arc edge; and / or: the sheet metal bending and stamping die further includes a plurality of positioning blocks, the positioning blocks are connected to the positions on the second pair of sides of the lower die, and positioning grooves for positioning the sheet metal are provided on the positioning blocks.

[0013] Preferably, an upper guide seat is connected to the second pair of sides of the upper die, and a plurality of first upper guide plates are connected to the inner side of the upper guide seat; a lower guide seat is connected to the second pair of sides of the lower die, and a plurality of first lower guide plates corresponding to the positions of the first upper guide plates are connected to the outer side of the lower guide seat.

[0014] Preferably, a plurality of contact limiting blocks are connected to the upper die or the lower die. When the contact limiting blocks are abutted against the lower die or the upper die, the upper die and the lower die are closed; or, a plurality of contact limiting blocks corresponding to each other in position are connected to both the upper die and the lower die. When the contact limiting blocks on the upper die are abutted against the contact limiting blocks on the lower die, the upper die and the lower die are closed.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] The utility model relates to a sheet metal bending and stamping die. When the upper die and the lower die are closed, the cavity formed by the upper forming core part of the upper die and the lower forming core part of the lower die can be used for the stamping forming of sheet metal. The second lower forming core part is connected to the lower die through a jacking assembly. After stamping is completed, the sheet metal and the second lower forming core part can be jacked up by the jacking assembly, which is convenient for the sheet metal to be demolded and the air channels arranged on the upper forming core part and / or the lower forming core part to be taken out, and is also convenient for the separation between the sheet metal and the cavity. In addition, the air channels can also be used for dust removal and improve the cleaning efficiency. Description of the Drawings

[0017] Figure 1 is a schematic structural view of a sheet metal bending and stamping die of the utility model;

[0018] Figure 2 is a bottom view of the lower die of the utility model;

[0019] Figure 3 is a schematic structural view of the lower die and the lower forming core part of the utility model;

[0020] Figure 4 is Figure 3 an enlarged schematic view of part I in

[0021] Figure 5 is Figure 3 an enlarged schematic view of part J in

[0022] Figure 6 is Figure 3 an enlarged schematic view of part K in

[0023] Figure 7 is a schematic structural view of the second lower forming core part of the utility model;

[0024] Figure 8 is a schematic structural view of the lower die of the utility model;

[0025] Figure 9 is a schematic structural view of the upper die and the upper forming core part of the utility model;

[0026] Figure 10 is Figure 9 an enlarged schematic view of part M in

[0027] The illustration marks are explained as follows:

[0028] 1 - Upper die, 11 - Upper guide seat, 12 - First upper guide plate, 13 - Guide bump, 14 - Second upper guide plate, 15 - First avoidance groove, 2 - Lower die, 21 - Accommodation groove, 22 - Limit block, 23 - Lower guide seat, 24 - First lower guide plate, 25 - Guide groove, 26 - Second lower guide plate, 3 - Upper forming core part, 31 - Forming plate, 32 - Insert plate, 321 - Upward forming surface for flanging, 322 - Arc-shaped forming surface, 33 - Concave point structure, 4 - First lower forming core part, 41 - Insert block, 411 - Downward forming surface for flanging, 42 - Convex point structure, 5 - Second lower forming core part, 51 - Lower forming surface, 511 - Installation groove, 52 - Second avoidance groove, 53 - Slide groove, 54 - Air passage, 6 - Lifting assembly, 7 - Positioning bar, 71 - Arc-shaped edge, 8 - Positioning block, 81 - Positioning groove, 9 - Contact limit block, 10 - Inductor, 101 - Hoisting part. Detailed implementation mode

[0029] The following further describes the present utility model in conjunction with the detailed implementation mode. Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the attached drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted.

[0030] In the attached drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or position relationship, it is based on the orientation or position relationship shown in the attached drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the attached drawings are only for illustrative purposes and should not be construed as a limitation to this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] Embodiment 1

[0032] As Figures 1 to 10 shown in the first embodiment of a sheet metal bending and stamping die of the present utility model, it includes an upper die 1, a lower die 2, and a lifting assembly 6. The upper die 1 is connected with an upper forming core part 3, the lower die 2 is provided with a lower forming core part, and the lower forming core part includes a first lower forming core part 4 connected to the lower die 2, and further includes a second lower forming core part 5 connected to the lower die 2 through the lifting assembly; when the upper die 1 and the lower die 2 are closed, the upper forming core part 3, the first lower forming core part 4, and the second lower forming core part 5 form a cavity, and a plurality of air passages 54 communicating with the cavity are further provided on the upper forming core part 3 and / or the lower forming core part.

[0033] When the upper die 1 and the lower die 2 are closed, the cavity formed by the upper forming core member 3 of the upper die 1 and the lower forming core member of the lower die 2 can be used for stamping and forming of the sheet. The second lower forming core member 5 is connected to the lower die 2 through the lifting assembly 6. When the stamping is completed, the sheet and the second lower forming core member 5 can be lifted by the lifting assembly 6, which is convenient for demolding and taking out the sheet. The air channels 54 provided on the upper forming core member 3 and / or the lower forming core member can also facilitate the separation between the sheet and the cavity. In addition, the air channels 54 can also be used for dust removal and improve the cleaning efficiency. When blowing is required in the present utility model, the air channels 54 are connected to the air source, and then air can be blown to the cavity.

[0034] As Figures 3 to 5 、 Figure 7 and Figure 8 shown, the lower die 2 is provided with a receiving groove 21 for receiving the second lower forming core member 5, and the second lower forming core member 5 is slidably arranged in the receiving groove 21; the first lower forming core member 4 includes a plurality of inserts 41, and the plurality of inserts 41 are arranged around the edge of the opening of the receiving groove 21. In this embodiment, the surface of the insert 41 in contact with the second lower forming core member 5 is a flanging lower forming surface 411, and a plurality of bump structures 42 are provided on the flanging lower forming surface 411; second avoidance grooves 52 are arranged at positions corresponding to the bump structures 42 on the side wall of the second lower forming core member 5, and the second avoidance grooves 52 extend in the vertical direction, which can prevent the second lower forming core member 5 from being blocked during the lifting process.

[0035] As Figure 7 and Figure 8 shown, a plurality of sliding grooves 53 are further provided on the side wall of the second lower forming core member 5, and limiting blocks 22 are connected to the inner side wall of the receiving groove 21 at positions corresponding to the sliding grooves 53, and the limiting blocks 22 are slidably arranged in the sliding grooves 53. In this embodiment, the sliding grooves 53 are arranged in the vertical direction. When the second lower forming core member 5 is lifted or lowered in the receiving groove 21, the limiting blocks 22 slide in the sliding grooves 53, which can play a guiding role for the second lower forming core member 5, and when the limiting blocks 22 slide to the extreme positions of the sliding grooves 53, the second lower forming core member 5 will no longer be lifted or lowered, playing a role in limiting the moving stroke of the second lower forming core member 5.

[0036] As Figure 3 and Figure 5 shown, a plurality of installation grooves 511 communicating with the cavity are provided on the second lower forming core member 5, and sensors 10 are arranged in the installation grooves 511. The sensors 10 can be used to sense whether the sheet to be stamped has been placed in the sheet bending and stamping die. In this embodiment, a controller electrically connected to the sensors 10 can also be provided. The controller is used for signal transmission. When the sensors 10 sense the sheet, the upper die 1 and the lower die 2 are then controlled by the controller to be closed for stamping.

[0037] AsFigure 9 and Figure 10 As shown in Figure 10 , the upper forming core member 3 includes a forming plate 31 and a plurality of panel plates 32 arranged around the forming plate 31. The forming plate 31 and the panel plates 32 constitute the forming surface of the upper forming core member 3. The forming plate 31 and the upper die 1 can be fixedly connected or detachably connected, and the panel plates 32 and the upper die 1 are detachably connected. In this embodiment, the forming plate 31 and the upper die 1 are fixedly connected, and the panel plates 32 are connected to the upper die 1 by bolts. At the position corresponding to the convex point structure 42 on the panel plate 32, a concave point structure 33 is provided.

[0038] As Figure 1 , Figure 9 and Figure 10 shown, one side of the second lower forming core member 5 facing the upper die 1 is the lower forming surface 51, the lower forming surface 51 is an arc convex surface, and one side of the upper forming core member 3 facing the lower die 2 is the upper forming surface, and the upper forming surface is an arc concave surface adapted to the arc convex surface. Specifically, the side of the forming plate 31 facing the lower die 2 is the forming surface of the forming plate 31. The panel plate 32 includes a flanging upper forming surface 321 and an arc forming surface 322. The arc forming surface 322 is coplanar with the forming surface of the forming plate 31 and constitutes an arc concave surface. When the upper die 1 and the lower die 2 are clamped, the arc concave surface corresponds to the arc convex surface and is used for stamping an arc-shaped plate, while the flanging upper forming surface 321 corresponds to the flanging lower forming surface 411 and is used for stamping the flanging of the arc-shaped plate. The extending direction of the flanging of the arc-shaped plate faces the convex direction of the arc-shaped plate.

[0039] In this embodiment, the lifting assembly 6 is a cylinder. The cylinder is arranged in the accommodating groove 21. The cylinder block of the cylinder is connected to the bottom of the accommodating groove 21, and the piston rod of the cylinder is connected to the second lower forming core member 5. Specifically, a groove body for accommodating the lifting assembly 6 is provided at the bottom of the second lower forming core member 5, and the piston rod of the cylinder extends into the groove body and is connected to the second lower forming core member 5.

[0040] In this embodiment, lifting parts 101 are provided at the four corner positions of the upper die 1 and the four corner positions of the lower die 2.

[0041] Embodiment 2

[0042] This embodiment is similar to Embodiment 1, and the difference lies in that, as Figures 3 to 10 shown, in this embodiment, the sheet metal bending and stamping die further includes a plurality of positioning bars 7. The positioning bars 7 are connected to the position of the first pair of sides of the lower die 2. The side of the positioning bar 7 close to the second lower forming core member 5 is an arc edge 71. Among them, the first pair of sides of the lower die 2 are a pair of sides along the arc direction of the cavity. The setting of the positioning bars 7 can be used for positioning the sheet to be stamped on the first pair of sides. As Figure 10 shown, a first avoidance groove 15 is provided at the position of the upper die 1 corresponding to the positioning bar 7. The setting of the first avoidance groove 15 can prevent the upper die 1 and the lower die 2 from being blocked when they are clamped.

[0043] The sheet bending stamping die also includes a plurality of positioning blocks 8, which are connected to the second opposite side of the lower die 2, and are provided with positioning grooves 81 for positioning the sheet. In this embodiment, the positioning grooves 81 are provided on the positioning blocks 8 on one side close to the insert 41. The positioning blocks 8 can be used to position the sheet to be stamped on the second opposite side, and the sheet can be positioned by being inserted into the positioning grooves 81.

[0044] like Figure 8 and Figure 9 As shown, the second opposite side of the upper mold 1 is connected to an upper guide seat 11, and the inner side of the upper guide seat 11 is connected to a plurality of first upper guide plates 12; the second opposite side of the lower mold 2 is connected to a lower guide seat 23, and the outer side of the lower guide seat 23 is connected to a first lower guide plate 24 at a position corresponding to the first upper guide plate 12. It should be noted that the inner side of the upper guide seat 11 refers to the side facing the upper molding core 3, and the outer side of the lower guide seat 23 refers to the side facing away from the lower molding core. In this embodiment, the upper guide seat 11 is an upper arc-shaped guide seat having the same or similar curvature as the upper molding surface, and the lower guide seat 23 is a lower arc-shaped guide seat having the same or similar curvature as the lower molding surface. When the upper mold 1 and the lower mold 2 are opened or closed, the first upper guide plate 12 and the first lower guide plate 24 are used for contact sliding and guiding.

[0045] like Figure 5 and Figure 10 As shown, the upper mold 1 or the lower mold 2 is connected with a plurality of contact limit blocks 9. When the contact limit blocks 9 abut against the lower mold 2 or the upper mold 1, the upper mold 1 and the lower mold 2 complete the mold closing. In this embodiment, the contact limit blocks 9 are set at the four corners of the upper mold 1 or the lower mold 2. When the contact limit blocks 9 are set on the upper mold 1, the mold closing is completed by the contact limit blocks 9 abutting against the lower mold 2; when the contact limit blocks 9 are set on the lower mold 2, the mold closing is completed by the contact limit blocks 9 abutting against the upper mold 1.

[0046] Example 3

[0047] This embodiment is similar to embodiment 1 or 2, except that Figure 1 , Figure 3 , Figure 8 and Figure 9 As shown, in this embodiment, a first pair of sides of the upper mold 1 are connected with a plurality of guide protrusions 13, and a plurality of second upper guide plates 14 are provided on the guide protrusions 13; a first pair of sides of the lower mold 2 are provided with guide grooves 25 corresponding to the positions of the guide protrusions 13, and a second lower guide plate 26 corresponding to the positions of the second upper guide plates 14 is provided on the guide grooves 25.

[0048] In this embodiment, second upper guide plates 14 are connected to both the first side surface and the second side surface of the guiding bump 13. The first side surface and the second side surface are adjacent side surfaces, and the second lower guide plate 26 is arranged corresponding to the second upper guide plate 14. When the upper die 1 and the lower die 2 are opened or closed, the second upper guide plate 14 and the second lower guide plate 26 can be used for contact sliding and guiding.

[0049] Embodiment 4

[0050] This embodiment is similar to any one of Embodiments 1 to 3, the difference being that, as Figure 1 shown, in this embodiment, a contact limit block 9 is connected to the upper die 1, and a contact limit block 9 is also connected to the corresponding position on the lower die 2. When the contact limit block 9 of the upper die 1 abuts against the contact limit block 9 of the lower die 2, the upper die 1 and the lower die 2 are completely closed.

[0051] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A sheet metal bending stamping die, characterized in that: The invention comprises an upper mold (1), a lower mold (2), and a lifting assembly (6); the upper mold (1) is connected to an upper molding core (3); the lower mold (2) is provided with a lower molding core; the lower molding core comprises a first lower molding core (4) connected to the lower mold (2); and a second lower molding core (5) connected to the lower mold (2) via the lifting assembly (6); when the upper mold (1) and the lower mold (2) are closed, the upper molding core (3), the first lower molding core (4), and the second lower molding core (5) form a mold cavity; the upper molding core (3) and / or the lower molding core are also provided with a plurality of air passages (54) connected to the mold cavity.

2. The sheet metal bending stamping die according to claim 1, characterized in that: The lower mold (2) is provided with a receiving groove (21) for accommodating the second lower molding core piece (5), and the second lower molding core piece (5) is slidably arranged in the receiving groove (21); the first lower molding core piece (4) includes a plurality of inserts (41), and the plurality of inserts (41) are arranged around the notch edge of the receiving groove (21); a plurality of convex point structures (42) are provided on a side of the insert (41) that contacts the second lower molding core piece (5); and a second avoidance groove (52) corresponding to the position of the convex point structure (42) is provided on the side wall of the second lower molding core piece (5).

3. The sheet metal bending stamping die according to claim 2, characterized in that: The air passage (54) is arranged at the second lower molding core piece (5), and the lifting assembly (6) comprises a cylinder, which is arranged in the accommodating groove (21), the cylinder seat of the cylinder is connected to the groove bottom of the accommodating groove (21), and the piston rod of the cylinder is connected to the second lower molding core piece (5).

4. The sheet metal bending stamping die according to claim 2, characterized in that: The side wall of the second lower molding core (5) is also provided with a slide groove (53), and a limit block (22) corresponding to the position of the slide groove (53) is provided in the accommodating groove (21), and the limit block (22) is slidably arranged in the slide groove (53).

5. The sheet metal bending stamping die according to claim 2, characterized in that: The upper molding core (3) comprises a molding plate (31) and a plurality of panels (32) arranged around the molding plate (31); the molding plate (31) and the panels (32) constitute the molding surface of the upper molding core (3); the panels (32) are provided with a plurality of concave structures (33) corresponding to the positions of the convex structures (42); the panels (32) are detachably connected to the upper mold (1).

6. The sheet metal bending stamping die according to claim 1, characterized in that: The second lower molding core (5) is provided with a plurality of mounting grooves (511) communicating with the molding cavity, and sensors (10) are provided in the mounting grooves (511).

7. The sheet metal bending stamping die according to any one of claims 1 to 6, characterized in that: The side of the second lower molding core (5) facing the upper mold (1) is a lower molding surface (51), and the lower molding surface (51) is an arcuate convex surface. The side of the upper molding core (3) facing the lower mold (2) is an upper molding surface, and the upper molding surface is an arcuate concave surface that matches the arcuate convex surface.

8. The sheet metal bending stamping die according to claim 1, characterized in that: It also includes a plurality of positioning strips (7), wherein the positioning strips (7) are connected to the first opposite sides of the lower mold (2), and the side of the positioning strips (7) close to the second lower molding core (5) is an arc-shaped edge (71); And / or: comprising a plurality of positioning blocks (8), wherein the positioning blocks (8) are connected to the positions of the second opposite sides of the lower mold (2), and the positioning blocks (8) are provided with positioning grooves (81) for positioning the plate.

9. The sheet metal bending stamping die according to claim 1, characterized in that: The second pair of sides of the upper mold (1) are connected to an upper guide seat (11), and the inner side of the upper guide seat (11) is connected to a plurality of first upper guide plates (12); the second pair of sides of the lower mold (2) are connected to a lower guide seat (23), and the outer side of the lower guide seat (23) is connected to a plurality of first lower guide plates (24) corresponding to the positions of the first upper guide plates (12).

10. The sheet metal bending stamping die according to claim 1, characterized in that: The upper mold (1) or the lower mold (2) is connected to a plurality of contact limit blocks (9), and when the contact limit blocks (9) abut against the lower mold (2) or the upper mold (1), the upper mold (1) and the lower mold (2) complete mold closing; Alternatively, the upper mold (1) and the lower mold (2) are both connected to a plurality of contact limit blocks (9) with corresponding positions, and when the contact limit blocks (9) of the upper mold (1) abut against the contact limit blocks (9) of the lower mold (2), the upper mold (1) and the lower mold (2) complete the mold closing.

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