CN215544198U - Bending adjustable sheet metal stamping die - Google Patents

Abstract

The utility model provides a bending-adjustable sheet stamping die which comprises an upper backing plate, an upper template, a lower template and a lower backing plate, wherein the lower template is provided with a plate placing groove and two stamping die cavities; the bottom in cope match-plate pattern is fixed with the pressure strip, be equipped with two lift chambeies in the cope match-plate pattern, the bottom in lift chamber is connected with the spacing hole that runs through the cope match-plate pattern bottom surface, one side in lift chamber is connected with the picture peg hole that runs through the cope match-plate pattern side, sliding connection has the limiting plate in the lift chamber, the bottom of limiting plate is fixed with the punching press convex module, sliding connection has the regulating plate in the picture peg hole, the thickness of limiting plate and regulating plate is D and D respectively, the height of lift chamber and punching press convex module is H and H respectively, the length in spacing hole is L, D + D ═ H, H < H + D ≦ H + L. The utility model is provided with the lifting movable stamping convex module, and the adjusting plate can limit the position of the stamping convex module, so that different edges of the plate can be stamped, and the adaptability is strong.

Description

Bending adjustable sheet metal stamping die

Technical Field

The utility model relates to a stamping die, and particularly discloses a bending-adjustable sheet stamping die.

Background

The stamping is a special process equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping, and the stamping is a forming processing method for obtaining workpieces with required shapes and sizes by applying external force to plates, strips, pipes, profiles and the like by a press and a die to cause plastic deformation or separation.

Stamping die among the prior art all is fixed structure, only can carry out specific stamping to panel, if need carry out different processing of bending, then need change different stamping die, and the input cost of mould is high, and change mould needs longer time, and machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an adjustable sheet metal stamping die bends to prior art problem, can carry out stamping process to the different edges of panel, and the commonality is strong, and adjusts convenient operation, and the mould input cost is low.

In order to solve the prior art problem, the utility model discloses a bending-adjustable sheet stamping die which comprises an upper backing plate, an upper template, a lower template and a lower backing plate which are sequentially arranged from top to bottom, wherein the lower template is provided with a plate placing groove and two stamping female die cavities, and the two stamping female die cavities are connected to two opposite sides of the plate placing groove;

the bottom of cope match-plate pattern is fixed with the pressure strip that is located directly over putting the board recess, be equipped with two lift chambeies that are located directly over two punching die cavitys respectively in the cope match-plate pattern, the bottom in every lift chamber all is connected with a spacing hole that runs through the cope match-plate pattern bottom surface, one side in every lift chamber all is connected with a picture peg hole that runs through the cope match-plate pattern side, equal sliding connection has a limiting plate in every lift chamber, the bottom of every limiting plate all is fixed with a punching press convex mould piece of sliding connection in spacing hole, sliding connection has the regulating plate in the picture peg hole, limiting plate and regulating plate thickness are D and D respectively, the height of lift chamber and punching press convex mould piece is H and H respectively, the length in spacing hole is L, D + D is H, H < H + D is less than or equal to H + L.

Furthermore, a guide pillar is fixed below the upper backing plate, a guide sleeve is fixed on the lower backing plate, and the guide pillar is connected in the guide sleeve in a sliding mode.

Further, the bottom surface of the pressure strip is covered with an anti-slip layer.

Further, the top surface of limiting plate covers there is the buffer layer.

Furthermore, an upper positioning plate and a lower positioning plate which are fixed on the upper template are arranged outside each plug board hole, a positioning hole is formed in the adjusting plate, a screw is arranged on one side, away from the lower positioning plate, of the upper positioning plate, a nut is arranged on one side, away from the upper positioning plate, of the lower positioning plate, and the screw sequentially penetrates through the upper positioning plate, the positioning hole, the lower positioning plate and the nut in threaded connection.

The utility model has the beneficial effects that: the utility model discloses a bending-adjustable sheet stamping die which is provided with a lifting movable stamping convex module, wherein an adjusting plate is inserted into a plug board hole in a corresponding position according to requirements, and the position of the side stamping convex module can be limited, so that different edges of a sheet are stamped, the adaptability is strong, the adjusting operation is convenient, the processing efficiency is high, and the die investment cost is low.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a left side view structural diagram of the present invention.

FIG. 3 is a schematic cross-sectional view taken along line A-A' of FIG. 1.

The reference signs are: the device comprises an upper padding plate 10, a guide post 11, an upper template 20, a compression plate 21, an anti-skid layer 211, a lifting cavity 22, a limiting hole 221, an inserting plate hole 222, a limiting plate 23, a stamping male die block 231, a buffer layer 232, an adjusting plate 24, a positioning hole 241, an upper positioning plate 25, a lower positioning plate 26, a screw 27, a nut 28, a lower template 30, a plate placing groove 31, a stamping female die cavity 32, a lower padding plate 40 and a guide sleeve 41.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 to 3.

The embodiment of the utility model discloses a bending-adjustable sheet stamping die, which comprises an upper backing plate 10, an upper die plate 20, a lower die plate 30 and a lower backing plate 40 which are sequentially arranged from top to bottom, wherein the lower die plate 30 is provided with a plate placing groove 31 and two stamping die cavities 32, and the two stamping die cavities 32 are connected to two opposite sides of the plate placing groove 31;

the bottom of the upper template 20 is fixed with a compacting plate 21 which is positioned right above the plate placing groove 31, two lifting cavities 22 which are respectively positioned right above the two punching concave die cavities 32 are arranged in the upper template 20, the bottom of each lifting cavity 22 is connected with a limiting hole 221 which penetrates through the bottom surface of the upper template 20, the lifting cavities 22 are connected with the limiting holes 221 to form a T shape, one side of each lifting cavity 22 is connected with an inserting plate hole 222 which penetrates through the side surface of the upper template 20, a limiting plate 23 is connected in each lifting cavity 22 in a sliding way, the bottom of each limiting plate 23 is fixed with a punching convex module 231 which is connected in the limiting hole 221 in a sliding way, the punching convex module 231 is connected with the limiting plate 23 to form a T shape, the relative position between the punching convex module 231 and the upper template 20 can be effectively limited, the punching convex module 231 is prevented from being completely separated from the limiting hole 221, and the punching convex modules 231 are positioned at the two opposite sides of the compacting plate 21, sliding connection has regulating plate 24 in picture peg hole 222, can take out or insert regulating plate 24 according to the demand, the thickness of limiting plate 23 and regulating plate 24 is D and D respectively, the height of lift chamber 22 and punching press boss module 231 is H and H respectively, the length of spacing hole 221 is L, D + D ═ H, H < H + D ≦ H + L, can realize reliable location to limiting plate 23 when ensureing to insert regulating plate 24, and ensure to take out from behind regulating plate 24, punching press boss module 231 can effectively be accomodate in lift chamber 22 and spacing hole 221, can ensure simultaneously that punching press boss module 231 can not get into totally in lift chamber 22 and take place the screens.

When the punching die is applied, the adjusting plate 24 is inserted into one of the side inserting plate holes 222 according to requirements, the adjusting plate 24 is enabled to be padded above the limiting plate 23, and it is ensured that the side limiting plate 23 cannot realize lifting movement in the lifting cavity 22, so that the punching convex die block 231 on the side is static relative to the upper die plate 20, the punching convex die block 231 on the other side is movable relative to the upper die plate 20, a plate to be processed is placed in the plate placing groove 31, the punching machine drives the upper backing plate 10 and the upper die plate 20 to descend, the pressing plate 21 presses the plate in the plate placing groove 31, the punching convex die block 231 static relative to the upper die plate 20 is matched with the punching concave die cavity 32 on the side to punch and bend the plate, the punching convex die block 231 on the other side ascends into the lifting cavity 22 and the limiting hole 221 under the blocking effect of the plate, the region of the plate cannot be punched, and the effect of single-side bending can be obtained; when bilateral bending is needed, the adjusting plate 24 is inserted into both the two insert plate holes 222, so that a corresponding bending effect is obtained.

In this embodiment, the guide post 11 is fixed under the upper cushion plate 10, the guide sleeve 41 is fixed on the lower cushion plate 40, the guide post 11 is slidably connected in the guide sleeve 41, and the stability of the stamping action can be effectively improved through the guide post 11 and the guide sleeve 41.

In the present embodiment, the bottom surface of the pressing plate 21 is covered with the anti-slip layer 211, and the plate can be effectively prevented from shifting by the anti-slip layer 211, and preferably, the anti-slip layer 211 is a rubber layer.

In this embodiment, the top surface of the limiting plate 23 is covered with the buffer layer 232, preferably, the buffer layer 232 is a rubber layer, the influence on the punching precision caused by the jitter offset between the limiting plate 23 and the adjusting plate 24 can be effectively avoided through the buffer layer 232, and the thickness D of the limiting plate 23 includes the thickness of the buffer layer 232.

In this embodiment, every picture peg hole 222 all is equipped with the last locating plate 25 and the lower locating plate 26 that are fixed in cope match-plate pattern 20 side outward, be equipped with locating hole 241 in the regulating plate 24, when regulating plate 24 inserts picture peg hole 222, go up locating plate 25 and lower locating plate 26 and be located the upper and lower both sides of locating hole 241, the one side that lower locating plate 26 was kept away from to go up locating plate 25 is equipped with screw 27, one side that upper locating plate 25 was kept away from to lower locating plate 26 is equipped with nut 28, screw 27 passes in proper order and goes up locating plate 25, locating hole 241, behind the lower locating plate 26 with nut 28 threaded connection, thereby fix a position regulating plate 24 in picture peg hole 222 reliably, avoid regulating plate 24 to take place the displacement for cope match-plate pattern 20, can effectively improve the reliability of punching press action.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (5)

1. The bending-adjustable sheet stamping die comprises an upper backing plate (10), an upper die plate (20), a lower die plate (30) and a lower backing plate (40) which are sequentially arranged from top to bottom, and is characterized in that the lower die plate (30) is provided with a plate placing groove (31) and two stamping die cavities (32), and the two stamping die cavities (32) are connected to two opposite sides of the plate placing groove (31);

the bottom of cope match-plate pattern (20) is fixed with and is located place pressure strip (21) directly over board recess (31), be equipped with two in cope match-plate pattern (20) and be located two lift chamber (22) directly over punching die cavity (32) respectively, every the bottom in lift chamber (22) all is connected with one and runs through spacing hole (221) of cope match-plate pattern (20) bottom surface, every one side in lift chamber (22) all is connected with one and runs through picture peg hole (222) of cope match-plate pattern (20) side, all sliding connection has a limiting plate (23) in every lift chamber (22), the bottom of every limiting plate (23) all is fixed with a sliding connection in punching press convex mould piece (231) in spacing hole (221), sliding connection has regulating plate (24) in picture peg hole (222), the thickness of limiting plate (23) with regulating plate (24) is D and D respectively, the heights of the lifting cavity (22) and the stamping convex module (231) are respectively H and H, the length of the limiting hole (221) is L, D + D is H, and H < H + D is less than or equal to H + L.

2. A bending-adjustable sheet stamping die as claimed in claim 1, wherein a guide post (11) is fixed under the upper backing plate (10), a guide sleeve (41) is fixed on the lower backing plate (40), and the guide post (11) is slidably connected in the guide sleeve (41).

3. A bending-adjustable sheet stamping die as claimed in claim 1, wherein the bottom surface of the pressing plate (21) is covered with an anti-slip layer (211).

4. A bending-adjustable sheet stamping die as claimed in claim 1, wherein the top surface of the limiting plate (23) is covered with a buffer layer (232).

5. The stamping die for thin plates with adjustable bending according to claim 1, wherein an upper positioning plate (25) and a lower positioning plate (26) fixed on the upper die plate (20) are arranged outside each plug plate hole (222), a positioning hole (241) is arranged in each adjusting plate (24), a screw (27) is arranged on one side of each upper positioning plate (25) away from the corresponding lower positioning plate (26), a nut (28) is arranged on one side of each lower positioning plate (26) away from the corresponding upper positioning plate (25), and the screw (27) sequentially penetrates through the upper positioning plate (25), the positioning hole (241), the corresponding lower positioning plate (26) and the nut (28) to be in threaded connection.

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