CN117505681A - Stamping die for metal structure die castings - Google Patents

Abstract

The invention relates to a stamping die for a die casting with a metal structure, which comprises a workbench fixedly connected through four support columns, wherein a discharge hole is formed in the top of the workbench, a collecting box with an opening at the top is arranged below the workbench and corresponds to the discharge hole, a lower die is arranged at the top of the workbench, an adjusting assembly is arranged at the top of the workbench, the adjusting assembly drives the lower die to linearly move, and a driving part is arranged above the workbench. The invention relates to the technical field of stamping dies. After the driving part works for stamping, the die casting is adsorbed, the die casting is driven to move upwards, then the lower die moves horizontally to enable the discharge hole to be exposed, and the die casting directly passes through the discharge hole and falls into the collecting box, so that the die casting is automatically stripped and collected, the participation of operators is reduced, the intelligence of the device is improved, and the labor intensity of the operators is reduced.

Description

Stamping die for metal structure die castings

Technical Field

The invention relates to the technical field of stamping dies, in particular to a stamping die for a die casting with a metal structure.

Background

The stamping is a press working method for obtaining a required part by applying pressure to a material at room temperature by using a die arranged on a press machine to separate or plastically deform the material, wherein the used die is a stamping die. The stamping die is generally divided into an upper die and a lower die.

In the punching process, the die casting can be tightly clamped in the lower die, and the traditional demolding mode is that a jacking mechanism is arranged in the lower die, when the upper die is far away from the lower die, the jacking mechanism works to jack up the die casting, so that the die casting is separated from the lower die, however, the intelligent degree of the mode is not high, and an operator is required to manually take down the die casting to collect after the die casting is separated from the lower die, so that the labor intensity of the operator is improved.

Disclosure of Invention

According to the defects existing in the prior art, the invention aims to provide the stamping die for the die castings with the metal structures, which has the effect of automatically collecting the die castings after stamping, thereby reducing the labor intensity of operators.

The technical aim of the invention is realized by the following technical scheme:

the utility model provides a stamping die for metal construction die casting, includes the workstation through four support column fixed connection, the bin outlet has been seted up at the workstation top, the workstation below corresponds the bin outlet department has placed open-top's collecting box, the workstation top is provided with the lower mould, the workstation top is provided with adjusting part, adjusting part drives lower mould linear motion, the workstation top is provided with drive division.

Through adopting above-mentioned technical scheme, the drive portion work is punched the back, adsorbs the die casting, drives the die casting upward movement, then lower mould horizontal movement makes the bin outlet show, and the die casting directly passes the bin outlet and drops in the collecting box to automatic drawing of patterns and the collection of die casting have been realized, have reduced operating personnel's participation, have improved this device's intelligence, and have reduced operating personnel's intensity of labour.

The present invention may be further configured in a preferred example to: the driving part comprises a top frame fixedly connected to the upper half part of the workbench, the top frame is -shaped, the inner top wall of the top frame is fixedly connected with two electric push rods, the output ends of the two electric push rods are fixedly connected with a moving plate, the moving plate is in sliding connection with the top frame, the bottom of the moving plate is fixedly connected with an upper die, the upper die is located right above the discharge port, the upper half part of the top frame is fixedly connected with a top shell, and an adsorption part is arranged in the top shell.

Through adopting above-mentioned technical scheme, electric putter work drives motion board and last mould downstream, thereby go up the inseparable pressfitting of mould and lower mould and carry out the punching press to the die casting.

The present invention may be further configured in a preferred example to: the adsorption part comprises a first piston in the top shell in interference fit, a plurality of first springs are fixedly connected between the top of the first piston and the inner top wall of the top shell, two connecting ropes are fixedly connected to the bottom of the first piston, the connecting ropes penetrate through the inner bottom wall of the top shell in a sliding mode and are fixedly connected with the moving plate, a cavity is formed in the upper die, an upper pipe is fixedly arranged in the upper half of one side of the top shell in a penetrating mode, the upper pipe fixedly penetrates through the moving plate and the upper die and extends into the cavity, an electromagnetic valve is arranged on the outer peripheral side of the upper pipe, a plurality of air suction ports are formed in the bottom of the upper die, and the air suction ports are communicated with the cavity.

By adopting the technical scheme, in the initial state, the electromagnetic valve is in a closed state. The first piston is driven to move downwards in the downward movement process of the moving plate, so that negative pressure is formed above the first piston, after stamping of the die casting is completed, the electromagnetic valve is opened, gas in the cavity enters the first piston through the upper pipe, so that negative pressure is formed in the upper cavity, and the die casting completely shields each air suction port, so that the die casting is adsorbed and fixed on the upper die by the negative pressure.

The present invention may be further configured in a preferred example to: the adjusting component comprises four side plates fixedly connected to the top of the workbench, a screw rod is rotationally connected between the two corresponding side plates, the screw rod penetrates through the lower die, the screw rod is in threaded connection with the lower die, two bottom shells are fixedly connected to the top of the workbench, the screw rod penetrates through the bottom shells in a rotating mode, a linkage part is arranged in the bottom shells, an elastic air bag is fixedly connected to the inner top wall of the top frame, and the elastic air bag is communicated with the corresponding bottom shells through a pipeline.

Through adopting above-mentioned technical scheme, when the motion board resumes the initial position back and continues upward movement, the motion board extrudes the elasticity gasbag for gas in the elasticity gasbag passes through the pipeline and gets into in the drain pan, thereby drive screw rotates, drives lower mould linear motion, and the bin outlet exposes, and the die casting directly passes the bin outlet and drops in the collection box, thereby has realized drawing of patterns and collection of die casting automatically.

The present invention may be further configured in a preferred example to: the bottom of the lower die is movably connected with a plurality of balls, and the plurality of balls are attached to the top surface of the workbench.

Through adopting above-mentioned technical scheme, the ball has reduced the wearing and tearing between lower mould and the workstation when linear motion, and ball and workstation contact for the lower mould also can receive the support of workstation rather than only receiving the support of two screws, takes place the slope when preventing that the lower mould from receiving the pressure of last mould.

The present invention may be further configured in a preferred example to: the linkage part comprises an interference fit and a second piston in the bottom shell, a second spring is fixedly connected between the second piston and the inner wall of the bottom shell, a straight rack is fixedly connected to one side of the second piston, a gear is fixedly sleeved on the outer peripheral surface of the screw at the inner part of the bottom shell, the straight rack is meshed with the gear, and when the second spring is in a natural state, the lower die is located under the upper die.

Through adopting above-mentioned technical scheme, after gas gets into in the drain pan promote the second piston motion, the second piston drives straight rack motion, and straight rack strip moves the gear and rotates, and the gear drives the screw rod and rotates to drive the linear motion of lower mould.

The present invention may be further configured in a preferred example to: the lower part of the top shell is fixedly provided with a lower pipe in a penetrating manner, the upper die is internally provided with a cooling channel which is spirally arranged from top to bottom, the lower pipe fixedly penetrates through the moving plate and is communicated with the cooling channel, and the bottom end of the cooling channel extends to the outside of the upper die.

Through adopting above-mentioned technical scheme, when first piston moves down, push the air current of first piston below to the cooling channel through down the pipe in, the air current moves in the cooling channel, takes away the heat in the mould, dispels the heat to last mould.

The present invention may be further configured in a preferred example to: the semiconductor refrigerating piece is fixedly connected to the lower half part of the outer side of the top shell, the cold end of the semiconductor refrigerating piece is fixedly connected with the cold guide block, and the cold guide block fixedly penetrates through the side wall of the top shell and extends to the position, below the first piston, in the top shell.

By adopting the technical scheme, the semiconductor refrigeration piece work reduces the temperature of the gas in the top shell, so that when the first piston descends, low-temperature airflow passes through the cooling channel, and the heat dissipation effect of the upper die is further improved.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. the electric push rod drives the motion board and go up the mould and move down and punch a press, then open the solenoid valve, the die casting is adsorbed on last mould by the negative pressure, close the solenoid valve, electric push rod work upward movement drives the motion board, go up mould and die casting upward movement, thereby accomplish the drawing of patterns, the motion board continues upward movement extrusion elasticity gasbag, the gaseous screw rod rotation that drives in the entering drain pan of elasticity gasbag, consequently lower mould horizontal movement makes the bin outlet show, open the solenoid valve, no longer have the negative pressure in the cavity, the die casting passes the bin outlet under the action of gravity and drops in the collecting box, thereby the drawing of patterns and the collection of die casting have been realized automatically, operating personnel's intensity of labour has been reduced.

2. When the first piston moves downwards, the low-temperature air flow below the first piston is pushed into the cooling channel through the lower pipe, passes through the cooling channel and then is discharged out of the upper die, heat in the upper die is taken away, heat dissipation is carried out on the upper die, and the situation that the upper die is overheated due to long-time stamping operation is prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention (front view);

FIG. 2 is a schematic view of the overall structure of the present invention (rear view);

FIG. 3 is a partial three-dimensional view of the present invention (discharge opening exposed);

FIG. 4 is a cross-sectional view of the upper die of the present invention;

FIG. 5 is an interior view of the top shell of the present invention;

fig. 6 is an internal view of the bottom chassis in the present invention.

In the figure, 1, a workbench; 2. a discharge port; 3. a collection box; 4. a lower die; 5. an adjustment assembly; 51. a side plate; 52. a screw; 53. a bottom case; 54. a linkage part; 541. a second piston; 542. a second spring; 543. a straight rack; 544. a gear; 55. an elastic air bag; 6. a top frame; 7. an electric push rod; 8. a motion plate; 9. an upper die; 10. a top shell; 11. an adsorption unit; 111. a first piston; 112. a first spring; 113. a connecting rope; 114. a cavity; 115. an upper pipe; 116. an electromagnetic valve; 117. an air suction port; 12. a lower pipe; 13. a cooling channel; 15. a semiconductor refrigeration sheet; 16. a driving part.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

referring to fig. 1 to 6, the stamping die for die castings with metal structures disclosed by the invention comprises a workbench 1 fixedly connected through four support columns, a discharge port 2 is formed in the top of the workbench 1, a collection box 3 with an opening at the top is placed below the workbench 1 and corresponds to the discharge port 2, and the collection box 3 is used for collecting die castings after stamping.

The top of the workbench 1 is provided with a lower die 4, the top of the workbench 1 is provided with an adjusting component 5, and the adjusting component 5 drives the lower die 4 to linearly move.

A driving unit 16 is provided above the table 1. The driving part 16 comprises a top frame 6 fixedly connected to the upper half part of the workbench 1, and the top frame 6 is -shaped. The roof fixedly connected with two electric putter 7 in the roof-rack 6, the common fixedly connected with motion board 8 of two electric putter 7 output, motion board 8 and roof-rack 6 are sliding connection, prevent that motion board 8 from taking place the slope.

The bottom of the moving plate 8 is fixedly connected with an upper die 9, and the upper die 9 is positioned right above the discharge hole 2. The upper half part of the top frame 6 is fixedly connected with a top shell 10, and an adsorption part 11 is arranged in the top shell 10.

The adsorption part 11 comprises a first piston 111 which is in interference fit in the top shell 10, and a plurality of first springs 112 are fixedly connected between the top of the first piston 111 and the inner top wall of the top shell 10. The bottom of the first piston 111 is fixedly connected with two connecting ropes 113, and the connecting ropes 113 pass through the inner bottom wall of the top shell 10 in a sliding manner and are fixedly connected with the moving plate 8. In the initial state, the first spring 112 is in a natural state, and the connection rope 113 is in a straightened but unstressed state.

The cavity 114 is formed in the upper die 9, the upper pipe 115 is fixedly arranged on the upper half part of one side of the top shell 10 in a penetrating manner, the upper pipe 115 fixedly penetrates through the moving plate 8 and the upper die 9 and extends into the cavity 114, the upper pipe 115 is made of soft materials, bending and telescopic deformation can be achieved, and vertical movement of the moving plate 8 cannot be hindered. The solenoid valve 116 is provided on the outer peripheral side of the upper pipe 115, and in the initial state, the solenoid valve 116 is in a closed state. The bottom of the upper die 9 is provided with a plurality of air inlets 117, the air inlets 117 are communicated with the cavity 114, and when the upper die 9 tightly extrudes the die casting, the die casting shields each air inlet 117.

In the initial state, the solenoid valve 116 is in a closed state.

The electric push rod 7 works to drive the moving plate 8 and the upper die 9 to move downwards. The first piston 111 is driven to move downwards through the connecting rope 113 in the downward movement process of the moving plate 8, so that negative pressure is formed above the first piston 111 until the upper die 9 contacts the die casting and stamping is completed, at the moment, the electromagnetic valve 116 is opened, gas in the cavity 114 enters the first piston 111 through the upper pipe 115, so that negative pressure is formed in the upper cavity, and the die casting is adsorbed and fixed on the upper die 9 by the negative pressure because the die casting completely shields each air suction port 117. The solenoid valve 116 is then closed.

The lower half part of the top shell 10 is fixedly provided with a lower pipe 12 in a penetrating way, the upper die 9 is internally provided with a cooling channel 13, and the cooling channels 13 are spirally arranged from top to bottom, so that the air flow in the cooling channels 13 can fully take away the heat in the upper die 9. A lower pipe 12 is fixed through the moving plate 8 and communicates with a cooling passage 13, and the bottom end of the cooling passage 13 extends to the outside of the upper die 9. The lower tube 12 is made of soft materials, can be bent and deformed in a telescopic manner, and does not hinder the vertical movement of the moving plate 8.

The semiconductor refrigerating sheet 15 is fixedly connected to the lower half part of the outer side of the top shell 10, the cold end of the semiconductor refrigerating sheet 15 is fixedly connected with a cold conducting block, and the cold conducting block is made of copper. The cooling block is fixed through the side wall of the top case 10 and extends into the top case 10 below the first piston 111, so that the semiconductor cooling fin 15 works to cool the gas below the first piston 111.

When the first piston 111 moves downwards, the low-temperature air flow below the first piston 111 is pushed into the cooling channel 13 through the lower pipe 12, passes through the cooling channel 13 and then is discharged out of the upper die 9, heat in the upper die 9 is taken away, the upper die 9 is cooled, and the situation that the upper die 9 is overheated due to long-time stamping operation is prevented.

When the electric push rod 7 works reversely to drive the moving plate 8 to move upwards, the moving plate 8 drives the die casting to move upwards, so that the die casting is separated from the lower die 4. The first piston 111 moves upward by the restoring force of the first spring 112, and thus the negative pressure above the first piston 111 is no longer applied.

The adjusting component 5 comprises four side plates 51 fixedly connected to the top of the workbench 1, screw rods 52 are rotatably connected between the two corresponding side plates 51, the two screw rods 52 penetrate through the lower die 4, and the screw rods 52 are in threaded connection with the lower die 4.

The top of the workbench 1 is fixedly connected with two bottom shells 53, a screw 52 rotates to pass through the bottom shells 53, and a linkage part 54 is arranged in the bottom shells 53. An elastic air bag 55 is fixedly connected to the inner top wall of the top frame 6, and the elastic air bag 55 is made of hollow rubber materials and is in an expanded state in a natural state. The elastic bladder 55 communicates with the corresponding bottom case 53 through a pipe.

When the moving plate 8 is restored to the initial position, the electric push rod 7 continues to move upwards, so that the moving plate 8 is driven to squeeze the elastic air bag 55, and air in the elastic air bag 55 enters the bottom shell 53.

The linkage part 54 comprises a second piston 541 in the bottom shell 53 in interference fit, a second spring 542 is fixedly connected between the second piston 541 and the inner wall of the bottom shell 53, a straight rack 543 is fixedly connected to one side of the second piston 541, a gear 544 is fixedly sleeved on the outer peripheral surface of the screw 52 at the position in the bottom shell 53, and the straight rack 543 is meshed with the gear 544. When the second spring 542 is in the natural state, the lower die 4 is located directly below the upper die 9. The side of the bottom chassis 53 remote from the second spring 542 is provided with an opening.

After entering the bottom shell 53, the gas pushes the second piston 541 to move, the second piston 541 drives the straight rack 543 to move, the straight rack 543 drives the gear 544 to rotate, and the gear 544 drives the screw 52 to rotate, so that the lower die 4 is driven to linearly move, and the discharge port 2 is exposed. The electromagnetic valve 116 is opened, the cavity 114 is communicated with the upper half part of the top shell 10, the cavity 114 is not provided with negative pressure, and the die casting falls into the collecting box 3 through the discharge port 2 under the action of gravity, so that the die casting is automatically demolded and collected.

The bottom of the lower die 4 is movably connected with a plurality of balls, and the plurality of balls are attached to the top surface of the workbench 1. The balls reduce the abrasion between the lower die 4 and the workbench 1 during linear movement, and the balls are in contact with the workbench 1, so that the lower die 4 can be supported by the workbench 1 instead of being supported by only two screws 52, and the lower die 4 is prevented from tilting when being pressed by the upper die 9.

The implementation principle of the embodiment is as follows:

in the initial state, the first spring 112 is in a natural state, and the connecting cord 113 is in a straightened but unstressed state, and the solenoid valve 116 is in a closed state.

And placing the die casting on the top of the lower die 4, starting the electric push rod 7, and driving the moving plate 8 and the upper die 9 to move downwards by the electric push rod 7. The first piston 111 is driven to move downwards through the connecting rope 113 in the downward movement process of the moving plate 8, so that negative pressure is formed above the first piston 111, low-temperature gas below the first piston 111 is pushed into the cooling channel 13 through the lower pipe 12, the low-temperature gas flows through the cooling channel 13 and then is discharged out of the upper die 9, heat in the upper die 9 is taken away, heat dissipation is carried out on the upper die 9, and the situation that the upper die 9 is overheated due to long-time stamping operation is prevented.

Until the upper die 9 tightly presses the die-cast member to complete the punching, the solenoid valve 116 is opened, the cavity 114 communicates with the area above the first piston 111, so that a negative pressure is formed in the cavity 114, and since the die-cast member completely shields the respective suction ports 117, the die-cast member is suction-fixed to the upper die 9 by the negative pressure, and then the solenoid valve 116 is closed.

The electric push rod 7 works reversely, and the moving plate 8 drives the die casting to move upwards, so that the die casting is separated from the lower die 4. The first piston 111 moves upward by the restoring force of the first spring 112, and thus the negative pressure above the first piston 111 is no longer applied. When the moving plate 8 is restored to the initial position, the electric push rod 7 continues to move upwards, the moving plate 8 is driven to squeeze the elastic air bag 55, air in the elastic air bag 55 enters the bottom shell 53, the air enters the bottom shell 53 and then pushes the second piston 541 to move, the second piston 541 drives the straight rack 543 to move, the straight rack 543 drives the gear 544 to rotate, the gear 544 drives the screw 52 to rotate, and therefore the lower die 4 is driven to move linearly, and the discharge hole 2 is exposed.

Then the electromagnetic valve 116 is opened, the cavity 114 is communicated with the upper half part of the top shell 10, the first piston 111 can be restored to the original position under the action of the restoring force of the first spring 112, no negative pressure exists in the cavity 114, and the die casting falls into the collecting tank 3 through the discharge port 2 under the action of gravity, so that the die casting is automatically demolded and collected.

Finally, the electric push rod 7 moves downwards, so that the moving plate 8 returns to the initial position, in the process, the second piston 541 moves reversely under the restoring force of the second spring 542, the elastic air bag 55 returns to the expanded state, so that the lower die 4 returns to the initial position, and the electromagnetic valve 116 is closed.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (8)

1. Stamping die for metal construction die casting, including workstation (1) through four support column fixed connection, its characterized in that: the automatic feeding device is characterized in that a discharge opening (2) is formed in the top of the workbench (1), a collecting box (3) with an opening at the top is arranged below the workbench (1) corresponding to the discharge opening (2), a lower die (4) is arranged at the top of the workbench (1), an adjusting component (5) is arranged at the top of the workbench (1), the adjusting component (5) drives the lower die (4) to linearly move, and a driving part (16) is arranged above the workbench.

2. The stamping die for die castings of metal structures according to claim 1, wherein: the driving part (16) comprises a top frame (6) fixedly connected to the upper half part of the workbench, the top frame (6) is in -shaped arrangement, two electric push rods (7) are fixedly connected to the inner top wall of the top frame (6), two movable plates (8) are fixedly connected to the output ends of the electric push rods (7) together, the movable plates (8) are in sliding connection with the top frame (6), an upper die (9) is fixedly connected to the bottom of the movable plates (8), the upper die (9) is located right above the discharge opening (2), a top shell (10) is fixedly connected to the upper half part of the top frame (6), and an adsorption part (11) is arranged in the top shell (10).

3. The stamping die for die castings of metal structures according to claim 2, wherein: the adsorption part (11) comprises a first piston (111) in the top shell (10) in interference fit, a plurality of first springs (112) are fixedly connected between the top of the first piston (111) and the inner top wall of the top shell (10), two connecting ropes (113) are fixedly connected to the bottom of the first piston (111), the connecting ropes (113) penetrate through the inner bottom wall of the top shell (10) in a sliding mode and are fixedly connected with the moving plate (8), a cavity (114) is formed in the upper die (9), an upper pipe (115) is fixedly arranged on the upper half portion of one side of the top shell (10), the upper pipe (115) penetrates through the moving plate (8) and the upper die (9) in a penetrating mode and extends into the cavity (114), electromagnetic valves (116) are arranged on the outer periphery side of the upper pipe (115), a plurality of air suction ports (117) are formed in the bottom of the upper die (9), and the air suction ports (117) are communicated with the cavity (114).

4. A stamping die for die castings of metal structures according to claim 3, wherein: the adjusting component (5) comprises four side plates (51) fixedly connected to the top of the workbench (1), a screw rod (52) is rotationally connected between the two corresponding side plates (51), the screw rod (52) penetrates through the lower die (4), the screw rod (52) is in threaded connection with the lower die (4), two bottom shells (53) are fixedly connected to the top of the workbench (1), the screw rod (52) rotationally penetrates through the bottom shells (53), a linkage part (54) is arranged in the bottom shells (53), an elastic air bag (55) is fixedly connected to the inner top wall of the top frame (6), and the elastic air bag (55) is communicated with the corresponding bottom shells (53) through a pipeline.

5. The stamping die for die castings of metal structures according to claim 4, wherein: the bottom of the lower die (4) is movably connected with a plurality of balls, and the plurality of balls are attached to the top surface of the workbench (1).

6. The stamping die for die castings of metal structures according to claim 4, wherein: the linkage part (54) comprises a second piston (541) in the bottom shell (53) in interference fit, a second spring (542) is fixedly connected between the second piston (541) and the inner wall of the bottom shell (53), a straight rack (543) is fixedly connected to one side of the second piston (541), a gear (544) is fixedly sleeved on the outer peripheral surface of the screw (52) in the bottom shell (53), the straight rack (543) is meshed with the gear (544), and when the second spring (542) is in a natural state, the lower die (4) is located under the upper die (9).

7. A stamping die for die castings of metal structures according to claim 3, wherein: the lower half part of the top shell (10) is fixedly provided with a lower pipe (12) in a penetrating manner, the upper die (9) is internally provided with a cooling channel (13), the cooling channel (13) is spirally arranged from top to bottom, the lower pipe (12) fixedly penetrates through the moving plate (8) and is communicated with the cooling channel (13), and the bottom end of the cooling channel (13) extends to the outside of the upper die (9).

8. The stamping die for die castings of metal structures according to claim 7, wherein: the semiconductor refrigerating piece (15) is fixedly connected to the lower half part of the outer side of the top shell (10), the cold end of the semiconductor refrigerating piece (15) is fixedly connected with the cold guide block, and the cold guide block fixedly penetrates through the side wall of the top shell (10) and extends into the top shell (10) to be located below the first piston (111).