CN114918299A

CN114918299A - Aluminum alloy stamping equipment

Info

Publication number: CN114918299A
Application number: CN202210587766.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-19

Abstract

The invention relates to an aluminum alloy stamping device, which comprises a control console, a hydraulic lifting rod, a linkage rod, a main console rod, a rectangular metal sleeve, a die plate, an upper die, a lower die, an internal linkage mechanism, a carrying disc and a main workbench, wherein the hydraulic lifting rod is fixedly installed at the upper end of the control console through bolts, the linkage rod is welded at one side of the lifting rod, the rectangular metal sleeve is welded at one side of the linkage rod, the main console rod is inserted in the rectangular metal sleeve, the die plate is welded at the side wall of the rectangular metal sleeve, the upper die is welded at the lower end of the die plate, the main workbench is arranged below the upper die, the internal linkage mechanism is arranged inside the main workbench, the carrying disc is arranged at the top of the internal linkage mechanism, when the hydraulic lifting rod rises, a steel wire inside the main console rod drives a reset mechanism to work, a guide rod on the reset mechanism pushes the internal linkage mechanism to rotate, so as to drive the carrying disc to rotate, and when the lifting is completed, the lower die is positioned right below the upper die.

Description

Aluminum alloy stamping equipment

Technical Field

The invention relates to the technical field of metal stamping, in particular to aluminum alloy stamping equipment.

Background

The aluminum alloy stamping parts have very good plasticity and good machinability, and are widely used in the wire and cable manufacturing industry, the radio industry and the packaging industry. The performance of some metals can be greatly improved by adding a small amount of aluminum, tough aluminum alloy stamping parts can be prepared, a large amount of stamping equipment is adopted, so that stamping is an efficient production method, a plurality of stamping processes can be completed on one press by adopting a compound die, particularly a multi-station progressive die, full-automatic production from uncoiling, flattening, blanking to forming and finishing of strips is realized, the production efficiency is high, the labor condition is good, and the production cost is low.

The conventional stamping equipment adopts an independent single die, on one hand, an operator needs to frequently replace stamping materials in the stamping process, so that the working strength of the operator is high, on the other hand, a material replacing area of the conventional single die is positioned right below a stamping head, and when the stamping equipment breaks down or the operator operates improperly, the stamping head is easy to hurt the operator, so that the overall safety of the equipment is low; b. the stability of a lower die of a single die of the traditional equipment is low, the lower die and a stamping head are easy to dislocate in the stamping process, the stamped part after stamping is deformed, and the defective rate of the stamped part is high.

Disclosure of Invention

In order to solve the above problems, the present invention provides an aluminum alloy stamping apparatus, which can solve the problems set forth in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an aluminum alloy stamping device comprises a control console, a hydraulic lifting rod, a linkage rod, a main table rod, a rectangular metal sleeve, a die plate, an upper die, a lower die, an internal linkage mechanism, an object carrying disc and a main workbench, wherein the hydraulic lifting rod is fixedly mounted at the upper end of the control console through a bolt, the linkage rod is welded on one side of the lifting rod, the rectangular metal sleeve is welded on one side of the linkage rod, the main table rod is inserted into the rectangular metal sleeve, the die plate is welded on the side wall of the rectangular metal sleeve, the upper die is welded at the lower end of the die plate, the main workbench is arranged below the upper die, the internal linkage mechanism is arranged inside the main workbench, the object carrying disc is arranged at the top of the internal linkage mechanism, and the lower die is fixedly mounted on the upper end face of the object carrying disc;

a mounting hole is formed in the center of the interior of the main workbench, the internal linkage mechanism is located in the mounting hole, a molding hole is formed in one side of the mounting hole, and a reset mechanism is arranged at one end opening of the molding hole;

an L-shaped groove is formed in the main platform rod and is communicated with the T-shaped hole, a metal fixing plate is arranged in the L-shaped groove, one end of the metal fixing plate is welded to the inner wall of the rectangular metal sleeve, a fixed pulley is mounted at the corner of the bottom of the L-shaped groove through a pin shaft, a steel wire is wound on the fixed pulley, one end of the steel wire is bolted to the lower end face of the metal fixing plate, and the other end of the steel wire is connected with a resetting mechanism;

inside link gear includes base, cylinder bull stick, commentaries on classics board, spacing bracing piece and flexible shelves pole, the pedestal welding has the cylinder bull stick in the bottom inner wall of mounting hole, and base top center department pegs graft, and the top of cylinder bull stick is passed through the bolt and is carried the thing disc and link to each other, and equidistant welding in cylinder bull stick outer wall circumference has the commentaries on classics board, and four the mounting hole size of a dimension homogeneous phase changes board bottom circumference equidistant grafting and has spacing bracing piece, changes the inboard recess that is provided with of board, and the flexible shelves pole is installed to the recess lateral wall.

Furthermore, the resetting mechanism comprises a positioning column, a metal shell, a sliding groove, a curved sliding block, a metal snap ring, a fixed metal ring, a first supporting rod, a strong spring, a fixed metal ferrule and a guide rod, the sliding groove is formed in the upper end face of the metal shell, the curved sliding block is installed inside the sliding groove, the top of the curved sliding block is welded on the inner wall of the shaped hole, the fixed metal ring is concentrically placed at the inner side position of the metal shell, the fixed metal ferrule is welded on the outer wall of the fixed metal ring, the first supporting rod is connected to the bottom of the fixed metal ferrule, the bottom of the first supporting rod is welded on the inner wall of the shaped hole, the metal snap ring is sleeved on the outer wall of the fixed metal ring, and the outer wall of the metal snap ring is fixed on the inner wall of the metal shell through spot welding, the strong spring is sleeved on the outer wall of the fixed metal ring, the guide rod and the positioning column are welded on the outer wall of the metal shell respectively, and the side wall of the positioning column is fixed with one end of the steel wire in a bolted mode.

Furthermore, a second supporting rod is welded at the bottom of the carrying disc and located under the lower die, and rolling steel balls are arranged at the bottom of the second supporting rod.

Furthermore, the top end of the telescopic gear lever is provided with a return spring, the return spring is welded on the side wall inside the rotating plate, the end heads of the telescopic gear lever are provided with 30-degree oblique angle notches, and the telescopic gear lever is located in the same groove and distributed in a mirror image mode.

Furthermore, every spacing bracing piece all is located and changes under the board, and spacing bracing piece top is provided with expanding spring with the junction of changeing the board, and spacing bracing piece bottom is provided with the ball, and the constant head tank has been seted up to base up end circumference equidistant, and constant head tank and ball be the cooperation structure.

Furthermore, the length of the steel wire in a wrapping connection mode relative to the outer wall of the metal shell is one fourth of the perimeter of the outer wall of the metal shell, and the displacement distance generated by the upper die in the stamping process is equal to the length of the steel wire in the wrapping connection mode relative to the outer wall of the metal shell.

Furthermore, the elasticity of the strong spring is larger than that of the return spring at the top end of the telescopic gear lever.

Furthermore, the terminal surface of one end of guide bar is the toper face, and the other end terminal surface of guide bar is the rectangle face.

The invention has the beneficial effects that:

1. the invention provides an aluminum alloy stamping device, which adopts a plurality of stamping lower dies, when a control console controls a hydraulic lifting rod to stamp a stamping material placed in the lower die downwards to complete stamping, when the hydraulic lifting rod rises, a steel wire in a main platform rod drives a reset mechanism to work, a guide rod on the reset mechanism pushes an internal linkage mechanism to rotate, the rotation of the internal linkage mechanism drives a carrying disc to rotate, when the hydraulic lifting rod finishes rising, all rotation stops, so that the lower die with the placed material is positioned right below an upper die to complete the conversion of the lower die, when the hydraulic lifting rod works downwards each time, the reset mechanism also performs reset work simultaneously, the whole stamping, driving, feeding and resetting are completed in one stamping process, when the stamping is completed, the lower die with the side placed material is automatically replaced right below a stamping head, avoid artificial frequent change punching press material, saved the time, improve work efficiency, operating personnel is in the operation of punching press head side simultaneously for operating personnel's operational environment security that locates improves.

2. According to the aluminum alloy stamping equipment, the lower die is driven to rotate by the carrying disc when stamping is completed each time, the rotating angles of the lower die are right angles, the lower die with the material placed in the state is located right below the stamping head, and the lower die is limited by the limiting support rod and the limiting groove, so that the quality of stamped parts after stamping is high, and the problem that the defective rate of stamped parts after stamping of the traditional stamping equipment is high is solved.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the internal linkage of the present invention;

FIG. 4 is a top view of the internal linkage of the present invention;

FIG. 5 is a top plan view of the reset mechanism of the present invention;

FIG. 6 is a cross-sectional view of the reset mechanism of the present invention;

FIG. 7 is an overall view of the curved slider of the present invention;

in the figure: 1. the device comprises a control console, 2, a hydraulic lifting rod, 3, a linkage rod, 4, a main console rod, 5, a rectangular metal sleeve, 6, a die plate, 7, an upper die, 8, a lower die, 9, an internal linkage mechanism, 10, a carrying disc, 11, a main workbench, a mounting hole, b, a T-shaped hole, c, an L-shaped groove, 44, a reset mechanism, 41, a metal fixing plate, 43, a fixed pulley, 42, a steel wire, 440, a positioning column, 441, a metal shell, 442, a sliding groove, 443, a curved sliding block, 444, a metal snap ring, 445, a fixing metal ring, 446, a first supporting rod, a powerful spring, 448, a fixing metal ferrule, 449, a guide rod, 91, a base, 92, a cylindrical rotating rod, 93, a rotating plate, 94, a limiting supporting rod, 95, a telescopic blocking rod, 101, a second supporting rod, 102 and a rolling steel ball.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, an aluminum alloy stamping device comprises a control console 1, a hydraulic lifting rod 2, a linkage rod 3, a main platform rod 4, a rectangular metal sleeve 5, a die plate 6, an upper die 7, a lower die 8, an internal linkage mechanism 9, an object carrying disc 10 and a main workbench 11, wherein the hydraulic lifting rod 2 is fixedly installed at the upper end of the control console 1 through bolts, the linkage rod 3 is welded at one side of the lifting rod 2, the rectangular metal sleeve 5 is welded at one side of the linkage rod 3, the main platform rod 4 is inserted in the rectangular metal sleeve 5, the die plate 6 is welded at the side wall of the rectangular metal sleeve 5, the upper die 7 is welded at the lower end of the die plate 6, the main workbench 11 is arranged below the upper die 7, the internal linkage mechanism 9 is arranged inside the main workbench 11, the object carrying disc 10 is arranged at the top of the internal linkage mechanism 9, the lower die 8 is fixedly installed at the upper end surface of the object carrying disc 10, and during specific work, in the initial state, the upper die 7 is tightly attached to the upper end surface of the lower die 8, when the manual operation console 1 controls the hydraulic lifting and contracting rod 2 to ascend, the interlocking rod 3 welded on the rectangular metal sleeve 5 and the die plate 6 are driven to ascend, and the ascending upper die 7 of the die plate 6 also ascends along with the ascending;

a mounting hole a is formed in the center of the interior of the main workbench 11, the internal linkage mechanism 9 is located in the mounting hole a, a T-shaped hole b is formed in one side of the mounting hole a, and a reset mechanism 44 is arranged at one end opening of the T-shaped hole b;

when the rectangular metal sleeve 5 ascends, the metal fixing plate 41 ascends along with the metal fixing plate 41, the metal fixing plate 41 moves upwards to pull the steel wire 42 when the metal fixing plate 41 ascends, and the steel wire 42 pulls the reset mechanism 44 at the other end through the fixed pulley 43, so that the reset mechanism 44 works;

the resetting mechanism 44 comprises a positioning column 440, a metal shell 441, a sliding groove 442, a curved sliding block 443, a metal snap ring 444, a fixed metal ring 445, a first supporting rod 446, a strong spring 447, a fixed metal ferrule 448 and a guide rod 449, wherein the sliding groove 442 is formed in the upper end surface of the metal shell 441, the curved sliding block 443 is installed inside the sliding groove 442, the top of the curved sliding block 443 is welded on the inner wall of a T-shaped hole b, the fixed metal ring 445 is concentrically placed at the inner side position of the metal shell 441, the fixed metal ferrule 448 is welded on the outer wall of the fixed metal ring 445, the first supporting rod 446 is connected to the bottom of the fixed metal ferrule 448, the bottom of the first supporting rod 446 is welded on the inner wall of the T-shaped hole b, the metal snap ring 444 is sleeved on the outer wall of the fixed metal ring 445, the outer wall of the metal snap ring 444 is fixed on the inner wall of the metal shell 441 by spot welding, the strong spring 447 is sleeved on the outer wall of the fixed metal ring 445, the outer wall of the metal shell 441 is welded with a guide rod 449 and a positioning column 440 respectively, and the side wall of the positioning column 440 is bolted and fixed with one end of the steel wire 42, when in operation, the steel wire 42 pulls the metal shell 441 welded with the positioning column 440 to rotate, the metal shell 441 rotates to drive the metal snap ring 444 to rotate, because the metal snap ring 444 is sleeved on the fixed metal ring 445 which is welded immovably, and the fixed metal ferrule 448 is welded on the fixed metal ring 445, the movement of the metal clasp 444 presses against the strong spring 447, which generates a resilient force, when the steel wire 42 stops pulling and starts to be recovered, the steel wire 42 is in a tight state due to the resilience of the strong spring 447, and the strong spring 447 which is pressed returns to the original state, because of the rotation of the metal shell 441, the guide rod 449, which is welded to the outer wall of the metal shell 441, also follows the rotation, when the wire 42 is not yet pulled, one end of guide rod 449 abuts against the side wall of telescoping stop rod 95 on internal linkage 9.

Inside link gear 9 includes base 91, cylinder bull stick 92, rotor plate 93, spacing bracing piece 94 and flexible shelves pole 95, base 91 welds the bottom inner wall at mounting hole a, and base 91 top center department pegs graft there is cylinder bull stick 92, and cylinder bull stick 92's top is passed through the bolt and is linked to each other with year thing disc 10, and the equidistant welding in cylinder bull stick 92 outer wall circumference has rotor plate 93, and four mounting hole a size of a dimension homogeneous phase, and the equidistant peg graft in rotor plate 93 bottom circumference has spacing bracing piece 94, and rotor plate 93 is inside to be provided with the recess, and flexible shelves pole 95 is installed to the recess lateral wall, and during concrete work, when the rotation of guide bar 449 promoted flexible shelves pole 95 and move, flexible shelves pole 95's motion drives rotor plate 93 and cylinder bull stick 92's rotation, and the rotation of cylinder bull stick 92 drives the thing dish 10 rotation on top.

The welding of year thing disc 10 bottom has second bracing piece 101, and second bracing piece 101 is located under the bed die 8, second bracing piece 101 bottom is provided with roll steel ball 102, concrete during operation, the rotation of cylinder bull stick 92 drives year thing disc 10 and rotates, the rotation of carrying thing disc 10 drives the rotation of bed die 8 and second bracing piece 101, when hydraulic lifting rod 2 rises to the maximum value, stop rising, bed die 8 rotates under last mould 7 at this moment, the process of changing the mould has been accomplished, the roll steel ball 102 of second bracing piece 101 bottom can reduce the frictional force protective equipment when rotating, second bracing piece 101 can support year thing disc 10 when bed die 8 receives the punching press, prevent that long-term punching press from leading to deformation.

Every spacing bracing piece 94 all is located and changes board 93 under, spacing bracing piece 94 top and the junction of changeing board 93 are provided with expanding spring, spacing bracing piece 94 bottom is provided with the ball, the constant head tank has been seted up to base 91 up end circumference equidistant, and constant head tank and ball are the cooperation structure, concrete during operation, when changeing board 93 and rotating, the expanding spring at spacing bracing piece 94 top is in the extrusion state, when changeing board 93 and accomplishing the rotation, the expanding spring at spacing bracing piece 94 top pops out spacing bracing piece 94, make spacing bracing piece 94 be in the constant head tank, fix a position, it is unchangeable to ensure inside link gear 9 position when canceling release mechanical system 44 resets, the ball of spacing bracing piece 94 bottom, can reduce frictional force.

The end surface of one end of the guide rod 449 is a conical surface, and the end surface of the other end of the guide rod 449 is a rectangular surface.

The top end of the telescopic blocking rod 95 is provided with a return spring, the return spring is welded on the inner side wall of the rotating plate 93, the end heads of the two telescopic blocking rods 95 are respectively provided with a bevel notch of 30 degrees, the two telescopic blocking rods 95 positioned in the same groove are distributed in a mirror image manner, during specific work, when the guide rod 449 is in an initial state, the rectangular surface of the guide rod 449 is tightly attached to the side wall of the telescopic blocking rod 95, when the guide rod 449 starts to move, because the gap between the two telescopic blocking rods 95 is smaller than the width of the guide rod 449, the guide rod 449 pushes the telescopic blocking rod 95 to rotate, when the guide rod 449 rotates reversely, the top end width of the conical surface of the guide rod 449 is smaller than the gap between the two telescopic blocking rods 95, when the guide rod 449 passes through the gaps of the two telescopic blocking rods 95, the return spring welded on the top end of the telescopic blocking rod 95 is extruded and welded, when the guide rod 449 completely passes through the telescopic blocking rods 95, the return spring ejects the telescopic stop lever 95, the rectangular surface of the guide rod 449 clings to the side wall of the telescopic stop lever 95, so that the punching process and the process of changing the lower die by 90-degree positioning rotation are completed, and the return mechanism 44 returns to the initial state.

The elastic force of the strong spring 447 is larger than that of the return spring at the top end of the telescopic gear rod 95. During specific work, when the reset mechanism 44 is reset, the strong spring 447 can penetrate through the telescopic gear rod 95 to press the reset spring on the telescopic gear rod 95, and can be completely reset to restore the original state.

The wrapping length of the steel wire 42 relative to the outer wall of the metal shell 441 is one fourth of the circumference of the outer wall of the metal shell 441, the displacement distance generated by the upper die 7 in the stamping process is equal to the wrapping length of the steel wire 42 relative to the outer wall of the metal shell 441, during specific work, the rectangular surface of the guide rod 449 pushes the telescopic stop rod 95 to move, the moving distance of the telescopic stop rod 95 is equal to the wrapping length of the steel wire 42 relative to the outer wall of the metal shell 441, and the included angle of the position of the telescopic stop rod 95 after the movement is finished relative to the initial position of the telescopic stop rod 95 in the horizontal direction is 90 degrees.

The working principle of the invention is as follows:

resetting: when the hydraulic telescopic lifting rod rises, the steel wire in the main table rod drives the reset mechanism to work, the strong spring in the reset mechanism is compressed, when the hydraulic telescopic lifting rod falls, the strong spring moves reversely to drive one end, provided with a conical surface, of the guide rod to extrude the telescopic gear rod in the internal linkage mechanism, and when the hydraulic telescopic lifting rod rises, the strong spring returns to the original state.

The working process of the internal linkage mechanism is as follows: when the hydraulic telescopic lifting rod finishes lifting, the limiting support rod on the internal linkage mechanism is positioned in the limiting groove of the base for limiting.

A stamping process: the stamping material of placing the bed die is down stamped to control hydraulic lifting rod when the control cabinet, accomplish the stamping workpiece, when hydraulic lifting rod rises, the inside steel wire of main platform pole drives canceling release mechanical system work, the guide bar on the canceling release mechanical system promotes inside interlock mechanism and rotates, inside interlock mechanism's rotation drives the objective table and rotates, when hydraulic lifting rod accomplishes the rise, all rotations stop, the objective table rotates 90 this moment for the bed die that has placed the material is in under the bed die.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an aluminum alloy stamping equipment, includes control cabinet (1), hydraulic pressure lifter (2), trace (3), main platform pole (4), rectangle metal covering (5), mould board (6), upper die (7), bed die (8), inside link gear (9), objective disc (10) and main workstation (11), its characterized in that:

the hydraulic lifting rod (2) is fixedly mounted at the upper end of the control console (1) through bolts, a linkage rod (3) is welded on one side of the lifting rod (2), a rectangular metal sleeve (5) is welded on one side of the linkage rod (3), a main console rod (4) is inserted in the rectangular metal sleeve (5), a mold plate (6) is welded on the side wall of the rectangular metal sleeve (5), an upper mold (7) is welded at the lower end of the mold plate (6), a main workbench (11) is arranged below the upper mold (7), an internal linkage mechanism (9) is arranged inside the main workbench (11), an object carrying disc (10) is arranged at the top of the internal linkage mechanism (9), and a lower mold (8) is fixedly mounted on the upper end face of the object carrying disc (10);

a mounting hole (a) is formed in the center of the interior of the main workbench (11), the internal linkage mechanism (9) is located in the mounting hole (a), a T-shaped hole (b) is formed in one side of the mounting hole (a), and a reset mechanism (44) is arranged at one end opening of the T-shaped hole (b);

an L-shaped groove (c) is formed in the main platform rod (11), the L-shaped groove (c) is communicated with the T-shaped hole (b), a metal fixing plate (41) is arranged in the L-shaped groove (c), one end of the metal fixing plate (41) is welded to the inner wall of the rectangular metal sleeve (5), a fixed pulley (43) is mounted at the corner of the bottom of the L-shaped groove (c) through a pin shaft, a steel wire (42) is wound on the fixed pulley (43), one end of the steel wire (42) is bolted to the lower end face of the metal fixing plate (41), and the other end of the steel wire (42) is connected with a resetting mechanism (44);

inside link gear (9) are including base (91), cylinder bull stick (92), commentaries on classics board (93), spacing bracing piece (94) and flexible shelves pole (95), base (91) welding is at the bottom inner wall of mounting hole (a), and base (91) top center department is pegged graft and is had cylinder bull stick (92), and the top of cylinder bull stick (92) is passed through the bolt and is carried thing disc (10) and link to each other, and equidistant welding in cylinder bull stick (92) outer wall circumference has commentaries on classics board (93), and four mounting hole (a) size of a dimension is all the same, and equidistant grafting in commentaries on classics board (93) bottom circumference has spacing bracing piece (94), changes the inside recess that is provided with of board (93), and flexible shelves pole (95) are installed to the recess lateral wall.

2. An aluminum alloy stamping apparatus as claimed in claim 1, wherein: the resetting mechanism (44) comprises a positioning column (440), a metal shell (441), a sliding groove (442), a curved sliding block (443), a metal clamping ring (444), a fixed metal ring (445), a first supporting rod (446), a strong spring (447), a fixed metal cutting sleeve (448) and a guiding rod (449), wherein the sliding groove (442) is formed in the upper end face of the metal shell (441), the curved sliding block (443) is installed inside the sliding groove (442), the top of the curved sliding block (443) is welded on the inner wall of a T-shaped hole (b), the fixed metal ring (445) is concentrically placed at the inner side position of the metal shell (441), the fixed metal cutting sleeve (448) is welded on the outer wall of the fixed metal ring (445), the first supporting rod (446) is connected to the bottom of the fixed metal cutting sleeve (448), the bottom of the first supporting rod (446) is welded on the inner wall of the T-shaped hole (b), the metal clamping ring (444) is sleeved on the outer wall of the fixed metal ring (445), and the outer wall of metal snap ring (444) is fixed at the inner wall of metal casing (441) through spot welding, powerful spring (447) cup joints the outer wall at fixed metal circle (445), and the outer wall of metal casing (441) welds guide bar (449) and reference column (440) respectively, and the lateral wall of reference column (440) is fixed with the one end bolt of steel wire (42).

3. An aluminum alloy stamping apparatus as claimed in claim 1, wherein: a second supporting rod (101) is welded at the bottom of the loading disc (10), the second supporting rod (101) is located under the lower die (8), and a rolling steel ball (102) is arranged at the bottom of the second supporting rod (101).

4. An aluminum alloy stamping apparatus as claimed in claim 1, wherein: flexible shelves pole (95) top is provided with reset spring, and reset spring welds the inside lateral wall of commentaries on classics board (93), two flexible shelves pole (95) end department all sets up 30 oblique angle incisions, is located two of same recess flexible shelves pole (95) are the mirror image and distribute.

5. An aluminum alloy stamping apparatus as claimed in claim 1, wherein: every spacing bracing piece (94) all are located and change under board (93), and spacing bracing piece (94) top is provided with expanding spring with the junction of changeing board (93), and spacing bracing piece (94) bottom is provided with the ball, and the constant head tank has been seted up to base (91) up end circumference equidistant, and constant head tank and ball are the cooperation structure.

6. An aluminum alloy stamping apparatus as claimed in claim 2, wherein: the length of the steel wire (42) in a winding connection mode relative to the outer wall of the metal shell (441) is one fourth of the circumference of the outer wall of the metal shell (441), and the displacement distance generated by the upper die (7) in the stamping process is equal to the length of the steel wire (42) in the winding connection mode relative to the outer wall of the metal shell (441).

7. An aluminum alloy stamping apparatus as claimed in claim 2, wherein: the elasticity of the strong spring (447) is greater than that of the return spring at the top end of the telescopic stop rod (95).

8. An aluminum alloy stamping apparatus as claimed in claim 2, wherein: the end surface of one end of the guide rod (449) is a conical surface, and the end surface of the other end of the guide rod (449) is a rectangular surface.