CN214601477U - Metal plate bending and stamping die - Google Patents

Abstract

The utility model belongs to the technical field of stamping dies, and discloses a metal plate curling stamping die, which comprises a base and a pressing piece, wherein an installation piece is arranged above the pressing piece, a stripper plate and a stamping column are arranged on the side wall of the pressing piece, the stamping column is arranged outside the stripper plate, the stamping column is fixedly connected with the pressing piece, two limit strips are arranged inside the stamping column, the limit strips penetrate through the side walls of the stamping column and the stripper plate, the utility model discloses a stripper plate is arranged, and a limit strip is arranged inside the stripper plate, the limit strips penetrate through the side walls of the pressing piece and the stripper plate, a return spring is arranged on one side surface wall far away from the pressing piece and the stripper plate by the limit strips, when the stamping is finished, the hand-held stripper plate is pulled outwards, the stripper plate stamps a workpiece at a vertical angle, and the time that a worker repeatedly tries to find a stripping angle is avoided, the demoulding efficiency is improved, and the return spring pulls the demoulding plate to return after demoulding is finished.

Description

Metal plate bending and stamping die

Technical Field

The utility model belongs to the technical field of stamping die, concretely relates to metal sheet stamping die that curls.

Background

The stamping die is a tool which utilizes a press machine to generate pressure on the die, then enables a pressing area to extrude materials, and enables the materials to generate separation or plastic deformation, wherein the stamping die comprises a bending die, and a plate blank generates bending deformation along a preset curve or shape in the die, so that a workpiece with a certain angle and shape is obtained, the stamping die is suitable for a production line of large-scale production, and the processing efficiency and the yield of the stamping die are both higher.

The mould that curls punching press is carried out to metal sheet that uses at present when the drawing of patterns, because its roll-type structure, need the vertically outwards to take out, and the work piece is not easily directly taken off at suitable angle when the staff demolds by hand, often need try repeatedly, production efficiency has been reduced, and when punching press, in order to guarantee the sheet material in suitable position, stop device has all been installed to the both sides of mould, but the fixed mounting means of stop device can only process the sheet material of fixed length, the sheet material of overlength can't be put in the top of movable mould, therefore can't carry out the die.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal sheet stamping die that curls to solve current stamping die drawing of patterns inefficiency and can only carry out the problem of processing to the sheet material of the regular length.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal sheet crimping stamping die, includes base and pressing part, the installed part is installed to the top of pressing part, and the lateral wall of pressing part is provided with stripper plate and punching press post, the punching press post is located the outside of stripper plate, punching press post and pressing part fixed connection, the inside of punching press post is provided with two spacing, spacing runs through the lateral wall of punching press post and stripper plate, a lateral surface wall that stamping press post and stripper plate were kept away from to spacing is provided with back force spring, spacing first end of keeping away from the stripper plate is installed the expansion piece.

Preferably, two limit blocks are installed on the top of the base, the mounting groove is formed in the position, located between the two limit blocks, above the base, and the limit blocks and the base are of an integrated structure.

Preferably, two back plates are mounted on the side walls of the base, a fixing column and a rotating column are mounted on the surface walls of the two back plates, the back plates are fixedly connected with the base, and the fixing column and the rotating column are fixedly connected with the back plates.

Preferably, two fixing blocks are arranged above the mounting groove, the fixing columns penetrate through the side walls of the fixing blocks, and the two fixing blocks are distributed along the middle point of the mounting groove in a bilateral symmetry mode.

Preferably, one side of the fixed block, which is far away from the limiting block, is provided with a movable die, the rotating column penetrates through the side wall of the movable die, the movable die is rotatably connected with the rotating column, and a spring is arranged below the movable die.

Preferably, the fixed plate is installed to the top of fixed block, and one side of fixed plate is provided with the damping pivot, the limiting plate is installed to one side that the fixed plate was kept away from in the damping pivot.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses the stripper plate has been set up, and the inside of stripper plate has set up spacing, spacing runs through the lateral wall of pressing piece and stripper plate, spacing has set up the return spring at a side table wall of keeping away from pressing piece and stripper plate, after the die is accomplished, the outside pulling of handheld stripper plate, the stripper plate then releases the punching press with the vertically angle and dashes, avoided the staff to try repeatedly to look for the time of drawing of patterns angle, the efficiency of drawing of patterns is improved, the return spring then stimulates the stripper plate to make its playback after the drawing of patterns is accomplished.

(2) The utility model discloses limiting plate and fixed plate have been set up, and limiting plate and fixed plate pass through the damping pivot and rotate to be connected, during the use, in the face of the material of predetermineeing the size, directly put into between the limiting plate carry out the punching press can, when facing the work piece of overlength, rotate the limiting plate, make the top that the movable mould can be hugged closely to the material to this completion die work.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an appearance diagram of the limiting plate of the present invention when rotating;

fig. 3 is a side view of the pressing member of the present invention;

in the figure: 1. a mounting member; 2. a pressing member; 3. a limiting strip; 4. a damping rotating shaft; 5. a limiting plate; 6. a fixing plate; 7. a fixed block; 8. a back plate; 9. a limiting block; 10. a base; 11. mounting grooves; 12. fixing a column; 13. a spring; 14. a die cavity; 15. rotating the column; 16. moving the mold; 17. punching the column; 18. a stripper plate; 19. a return spring; 20. an expansion sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a metal plate bending and stamping die comprises a base 10 and a pressing piece 2, wherein the pressing piece 2 is in an inverted L shape when viewed from the side, a through hole is formed in the pressing piece 2 to allow a limiting strip 3 to move in the pressing piece 2, an installation piece 1 is installed above the pressing piece 2, a stripping plate 18 and a stamping column 17 are arranged on the side wall of the pressing piece 2, a round hole is formed in the surface wall of the stripping plate 18, the stamping column 17 is located in the round hole and clings to the round hole, the stamping column 17 is located on the outer portion of the stripping plate 18, the stamping column 17 is fixedly connected with the pressing piece 2, two limiting strips 3 are arranged inside the stamping column 17, the limiting strips 3 are fixedly connected with the stripping plate 18, the limiting strips 3 penetrate through the side walls of the stamping column 17 and the stripping plate 18, a return spring 19 is arranged on the surface wall of one side of the limiting strips 3, which is far away from the stamping column 17 and the stripping plate 18, an expansion sheet 20 is installed at the first end of the limiting strips 3, and the area of the expansion sheet 20 is larger than the side area of the return spring 19, the return spring 19 is prevented from falling off the stop strip 3.

Further, two stopper 9 are installed altogether to the top of base 10, and stopper 9 and fixed column 12 carry on spacing in mounting groove 11 to fixed block 7 and remove, and the position that is located between two stopper 9 above base 10 has seted up mounting groove 11, stopper 9 and base 10 formula structure as an organic whole.

Further, two backplates 8 are installed altogether to the lateral wall of base 10, and fixed column 12 and rotation post 15 are all installed to the table wall of two backplates 8, backplate 8 and base 10 fixed connection, fixed column 12 and rotation post 15 all with backplate 8 fixed connection, fixed column 12 is provided with two, mutually supports with stopper 9 and carries on spacingly to fixed block 7, and the inner wall of fixed block 7 is provided with the cambered surface that is convenient for movable mould 16 to rotate.

Specifically, two fixed blocks 7 are arranged above the mounting groove 11, when the fixing device is detached, the fixed blocks 7 can be detached only by moving the back plate 8 perpendicularly, the fixing columns 12 penetrate through the side wall of the fixed blocks 7, and the two fixed blocks 7 are symmetrically distributed along the middle point of the mounting groove 11.

It is worth to be noted that, a movable die 16 is arranged on one side of the fixed block 7 far away from the limit block 9, the movable die 16 can rotate inwards by taking the rotating column 12 as a base point during die punching, the movable die 16 cannot rotate outwards under the action of the fixed block 7, the rotating column 15 penetrates through the side wall of the movable die 16, the movable die 16 is rotatably connected with the rotating column 15, and a spring 13 is arranged below the movable die 16.

Further, a fixing plate 6 is installed above the fixing block 7, a damping rotating shaft 4 is arranged on one side of the fixing plate 6, the rotating angle range of the damping rotating shaft 4 is 0-90 degrees, a limiting plate 5 is installed on one side, far away from the fixing plate 6, of the damping rotating shaft 4, the limiting plate 5 is rotatably connected with the fixing plate 6 through the damping rotating shaft 4, a die cavity 14 is formed in the inner wall of the movable die 16, and the die cavity 14 is in the shape of a workpiece.

The utility model discloses a theory of operation and use flow: when the utility model is used, the hole arranged on the surface wall of the fixed block 7 is aligned with the fixed column 12 and then inserted into the mounting groove 11 above the base 10, the hole arranged on the surface wall of the fixed block 6 is aligned with the rotating column 15 and then inserted into the mounting groove, the spring 13 is arranged below the movable mould 16, when a pretreated plate is punched, the limiting plate 5 is upwards rotated by taking the damping rotating shaft 4 as a base point to be tightly attached to the side wall of the movable mould 16, the plate is placed between the two limiting plates to be fixed in position, the condition that the plate is wasted due to the incorrect position during punching is prevented, the mounting part 1 is mounted on a punching device, then the pressing part 2 is downwards pushed by the punching device, the punching column 17 is contacted with the inverted plate when moving downwards, the plate is downwards extruded, the movable mould 16 is inwards closed around the rotating column 15 as a midpoint, the mould groove 14 is made to be in a roll shape, after punching, the demoulding plate 18 is outwards moved, under the action of the two limiting strips 3, the limiting strips 3 only move at an angle vertical to the side wall of the pressing piece 2, so that a stamped workpiece can be easily pushed out, the demolding efficiency is improved, the force application is cancelled after demolding, the return spring 19 drives the demolding plate 18 to return to the original position, and when a long plate is processed, the limiting plate 5 is pulled to be tightly attached to the fixing plate 6, and the long plate can be punched.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bent stamping die of sheet metal, includes base (10) and pressing piece (2), its characterized in that: installed part (1) is installed to the top of pressing member (2), and the lateral wall of pressing member (2) is provided with stripper plate (18) and punching press post (17), punching press post (17) are located the outside of stripper plate (18), punching press post (17) and pressing member (2) fixed connection, the inside of punching press post (17) is provided with two spacing (3), the lateral wall of punching press post (17) and stripper plate (18) is run through in spacing (3), a lateral surface wall that stamping press post (17) and stripper plate (18) were kept away from in spacing (3) is provided with back force spring (19), expansion piece (20) are installed to the first end that stripper plate (18) were kept away from in spacing (3).

2. The sheet metal curl stamping die of claim 1, wherein: two stoppers (9) are installed altogether to the top of base (10), and base (10) top is located the position between two stoppers (9) and has seted up mounting groove (11), stopper (9) and base (10) formula structure as an organic whole.

3. The sheet metal curl stamping die of claim 2, wherein: two backplates (8) are installed altogether to the lateral wall of base (10), and fixed column (12) and rotation post (15) are all installed to the table wall of two backplates (8), backplate (8) and base (10) fixed connection, fixed column (12) and rotation post (15) all with backplate (8) fixed connection.

4. A sheet metal curl stamping die as defined in claim 3, wherein: two fixing blocks (7) are arranged above the mounting groove (11), the fixing columns (12) penetrate through the side walls of the fixing blocks (7), and the two fixing blocks (7) are distributed in a bilateral symmetry mode along the middle point of the mounting groove (11).

5. The sheet metal curl stamping die of claim 4, wherein: one side of the fixed block (7) far away from the limiting block (9) is provided with a movable die (16), the rotating column (15) penetrates through the side wall of the movable die (16), the movable die (16) is rotatably connected with the rotating column (15), and a spring (13) is arranged below the movable die (16).

6. The sheet metal curl stamping die of claim 5, wherein: fixed plate (6) are installed to the top of fixed block (7), and one side of fixed plate (6) is provided with damping pivot (4), limiting plate (5) are installed to one side that fixed plate (6) were kept away from in damping pivot (4), limiting plate (5) are rotated with fixed plate (6) through damping pivot (4) and are connected, die cavity (14) have been seted up to the inner wall of movable mould (16).

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