CN211218412U - A die-cutting mechanism that is convenient for automatic blanking - Google Patents

Abstract

The utility model belongs to the technical field of stamping dies, in particular to a punching die mechanism convenient for automatic blanking. , the bottom of the upper die base is provided with a punch, the top of the lower die base is fixedly installed with a concave die, the top of the concave die is installed with a stripper plate, and the bottom end of the concave part of the concave die is provided with a mounting cavity, and the bottom of the concave die is A damping device is arranged between the concave part of the upper die base, the outer surface of the bottom end of the concave die is movably connected with a first sliding block, and the outer surface of the front end of the first sliding block is movably connected with a movable rod. The damping device provided in the utility model can convert the generated vibration into the elastic potential energy of the first spring, which greatly improves the damping effect of the die mechanism. It improves the blanking efficiency of the die mechanism and saves manpower and material resources.

Description

A die-cutting mechanism that is convenient for automatic blanking

technical field

The utility model relates to the technical field of stamping dies, in particular to a stamping die mechanism convenient for automatic blanking.

Background technique

With the development of stamping technology and the emergence of new mold materials, the structure of the mold has also undergone certain changes, which has a great impact on the manufacture of the mold and the adjustment of the assembly. The emergence of mechanization, automation and high-speed stamping in stamping production not only promotes the development of die structure, but also promotes the technical equipment such as feeding device, ejection device, rapid die changing device, various testing devices and various manipulators that are matched with the die. reach a higher level. The stamping die is a special process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in the cold stamping process, which is called cold stamping die (commonly known as cold stamping die). In the trial production of new products and small batch production of stamping parts, the simple die structure has been widely used. This die is not only simple in structure, but also has the characteristics of convenient manufacture, low cost, and can meet a certain processing quality. The existing die mechanism has the following problems:

1. After the punching die is completed, the workpiece and the side wall of the die are closely attached, which makes it very troublesome to discharge the workpiece. The staff needs to slowly loosen the workpiece and the side wall of the die, and then the workpiece can be taken out, and it is difficult to unload;

2. During the process of punching, the connection between the lower die base and the die will be unstable, resulting in the phenomenon of vibration during punching.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a die mechanism that is convenient for automatic blanking, which solves the problem that after the die is completed, the workpiece and the side wall of the die are tightly fitted, resulting in very troublesome unloading of the workpiece. The side walls of the die are slowly pryed loose, and then the workpiece can be taken out. It is difficult to blank and the connection between the lower die holder and the die will be unstable during the process of punching, resulting in the problem of vibration during punching.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a die mechanism that facilitates automatic blanking, including a lower die base, the top of the lower die base is fixedly connected with a sliding column, and the sliding column is away from one end of the lower die base The upper die base is movably connected, the bottom of the upper die base is provided with a punch, the top of the lower die base is fixedly installed with a concave die, the top of the concave die is installed with a stripper plate, and the concave part of the concave die is installed. A mounting cavity is opened at the bottom end, a shock absorbing device is arranged between the bottom of the concave die and the concave part of the upper die base, and a first slider is movably connected to the outer surface of the bottom end of the concave die. A movable rod is movably connected to the outer surface of the front end of the sliding block, and a second sliding block is movably connected to the end of the movable rod away from the first sliding block, the top of the second sliding block is movably connected to a pressure plate, and the bottom of the installation cavity is movably connected to a pressure plate. An electric push rod is provided, and a push plate is fixedly connected to the telescopic end of the electric push rod.

As a preferred technical solution of the present invention, the shock absorbing device includes a receiving pad and a receiving groove, the receiving pad is located at the top of the receiving groove, the bottom of the receiving pad is rollingly connected with a pinball, and the pinball is connected to the bottom of the pinball. The bottom is fixedly connected with a first spring, and one end of the first spring away from the pinball is fixedly connected with the inner bottom of the receiving groove.

As a preferred technical solution of the present invention, the number of the shock absorbing devices is several groups, the material of the receiving pad is a thermoplastic polyester elastomer material, and the material of the pinball is a rubber material.

As a preferred technical solution of the present invention, the bottom of the upper die base is fixedly connected with a sliding sleeve that is slidably connected with the sliding column, the number of the sliding column is four groups, and the four groups of sliding columns are distributed in the lower mold in a rectangular shape. the top four corners of the seat.

As a preferred technical solution of the present invention, the bottom end of the concave part of the die is provided with a first chute adapted to the first sliding block, and the bottom of the pressing plate is provided with a first sliding groove adapted to the second sliding block Equipped with the second chute.

As a preferred technical solution of the present invention, the number of the movable rods is two groups, and the number of each group of movable rods is two, and a rotating shaft is rotatably connected between the two movable rods. A second spring is fixedly connected on the side and between the two movable rods.

As a preferred technical solution of the present invention, the lower die base and the upper die base are both made of hard alloy material, and the bottom of the lower die base is pasted with a non-slip pad.

As a preferred technical solution of the present invention, the electric push rod is fixedly connected to the bottom of the installation cavity through bolts, and the push plate is welded and fixed to the telescopic end of the electric push rod.

Compared with the prior art, the utility model provides a die-cutting mechanism that is convenient for automatic blanking, and has the following beneficial effects:

1. This die-cutting mechanism is convenient for automatic blanking. The first slider, the first chute, the movable rod, the second slider, the second chute, the second spring, the rotating shaft, the electric push rod, the push plate and the pressure plate are provided. After the die is completed, if there is a distance between the workpiece size and the side wall of the die, the second spring will automatically return to drive the first slider to slide in the first chute, and drive the rotation of the movable rod, thereby Push the second slider to slide in the second chute, and finally push the workpiece above the pressure plate out of the die by the huge elasticity of the second spring to complete the blanking; if the workpiece will fit closely with the side wall of the die, you can use The electric push rod drives the push plate to push the platen, so that the workpiece is pushed out of the die, and the blanking is completed. This mechanism can automatically complete the blanking work, which greatly improves the blanking efficiency of the die mechanism and saves manpower and material resources;

2. The punching mechanism is convenient for automatic blanking. Through the damping device provided, during the punching process, the die can squeeze the receiving pad, so that the bearing pad squeezes the pinball, and finally the first spring at one end of the pinball is compressed. , which can convert the generated vibration into the elastic potential energy of the first spring, which greatly improves the shock absorption effect of the die mechanism, and solves the problem that the connection between the lower die seat and the die during the die process will be unstable, resulting in the occurrence of vibration during the die. question.

Description of drawings

1 is a schematic diagram of the overall structure of a kind of convenient automatic blanking die mechanism of the present utility model;

Fig. 2 is the structural representation of a kind of ejector mechanism of the utility model that is convenient for automatic blanking die mechanism;

3 is a schematic structural diagram of a damping device of the utility model that is convenient for an automatic blanking die mechanism;

FIG. 4 is an enlarged view of FIG. 1A of a convenient automatic blanking die mechanism of the present invention.

In the picture: 1. Lower die base; 2. Slide column; 3. Upper die base; 4. Punch die; 5. Stripper plate; 6. Concave die; 7. Installation cavity; 8. Damping device; 801. Pad; 802, receiving groove; 803, pinball; 804, first spring; 9, first slider; 901, first chute; 10, movable rod; 11, second slider; 111, second chute ; 12, the second spring; 13, the shaft; 14, the electric push rod; 15, the push plate; 16, the anti-skid pad; 17, the pressure plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-4. In this embodiment, a die-cutting mechanism that facilitates automatic blanking includes a lower die base 1, and a sliding column 2 is fixedly connected to the top of the lower die base 1, and the sliding column 2 is away from one end of the lower die base 1. The upper die base 3 is movably connected, the bottom of the upper die base 3 is provided with a punch 4, the top of the lower die base 1 is fixedly installed with a concave die 6, the top of the concave die 6 is installed with a stripper plate 5, and the bottom of the concave die 6 is installed. A mounting cavity 7 is opened at the bottom of the concave part, and a shock absorbing device 8 is arranged between the bottom of the concave die 6 and the concave part of the upper die base 3, which can convert the generated vibration into the elastic potential energy of the first spring 804, greatly improving the In order to achieve the damping effect of the die mechanism, a first sliding block 9 is movably connected to the outer surface of the bottom end of the die 6 , and a movable rod 10 is movably connected to the outer surface of the front end of the first sliding block 9 , and the movable rod 10 is far away from the first sliding block 9 A second sliding block 11 is movably connected to one end of the second sliding block 11, a pressure plate 17 is movably connected to the top of the second sliding block 11, and an electric push rod 14 is arranged at the bottom of the installation cavity 7, the model of which is DT700, and the telescopic end of the electric push rod 14 is fixedly connected There is a push plate 15. If the workpiece is closely attached to the side wall of the die 6, the electric push rod 14 can be used to drive the push plate 15 to push the pressing plate 17, so that the workpiece is pushed out of the die 6 to complete the blanking.

In this embodiment, the shock absorber 8 includes a receiving pad 801 and a receiving groove 802, the receiving pad 801 is located at the top of the receiving groove 802, the bottom of the receiving pad 801 is rollingly connected with a pinball 803, and the bottom of the pinball 803 is fixedly connected with a first The spring 804, the end of the first spring 804 away from the pinball 803 is fixedly connected to the inner bottom of the receiving groove 802. During the punching process, the die 6 can squeeze the receiving pad 801, so that the receiving pad 801 squeezes the pinball 803, Finally, the first spring 804 at one end of the pinball 803 is compressed, which can convert the generated vibration into the elastic potential energy of the first spring 804, which greatly improves the shock absorption effect of the die mechanism, and solves the problem of the lower die seat 1 and the concave cavity during the die process. The connection between the dies 6 will be unstable, resulting in the problem of vibration during punching; the number of shock absorbing devices 8 is several groups, and the material of the receiving pad 801 is thermoplastic polyester elastomer material, which has good elastic effect, which is beneficial to the shock absorbing device 8 The material of the pinball 803 is rubber material; the bottom of the upper die base 3 is fixedly connected with a sliding sleeve slidably connected with the sliding column 2, the number of the sliding column 2 is four groups, and the four groups of the sliding column 2 are distributed in a rectangular shape at the bottom. The top four corners of the die base 1 can facilitate the combination of the upper die base 3 and the concave die 6 to complete the punching process; the bottom end of the concave part of the concave die 6 is provided with a first chute adapted to the first slider 9 901, the bottom of the pressing plate 17 is provided with a second chute 111 that is adapted to the second slider 11; the number of movable rods 10 is two groups, and the number of each group of movable rods 10 is two, two movable rods 10 A rotating shaft 13 is rotatably connected between the two sides of the rotating shaft 13 and is fixedly connected with a second spring 12 between the two movable rods 10. The workpiece above the pressure plate 17 is pushed out of the die 6 by the huge elastic force of the second spring 12, and the completion of Blanking; the material of the lower die base 1 and the upper die base 3 are hard alloy materials, and the bottom of the lower die base 1 is pasted with a non-slip pad 16 to prevent the phenomenon of sliding during the punching process; the electric push rod 14 is connected to the The bottom of the installation cavity 7 is fixedly connected, and the push plate 15 and the telescopic end of the electric push rod 14 are welded and fixed. If the workpiece is tightly attached to the side wall of the die 6, at this time, the electric push rod 14 can be used to drive the push plate 15 to push Press the plate 17 to push the workpiece out of the die 6 to complete the blanking.

The working principle and use process of the utility model: after the punching die is completed, if there is a distance between the workpiece size and the side wall of the die 6, the second spring 12 will automatically return to its position, and drive the first slider 9 to the first chute 901. Sliding inside to drive the rotation of the movable rod 10, thereby pushing the second sliding block 11 to slide in the second chute 111, and finally pushing the workpiece above the pressing plate 17 out of the die 6 through the huge elastic force of the second spring 12 to complete the blanking; If the workpiece will be closely attached to the side wall of the die 6, at this time, the electric push rod 14 can be used to drive the push plate 15 to push the pressure plate 17, so that the workpiece can be pushed out of the die 6 to complete the blanking. This mechanism can automatically complete the blanking It greatly improves the blanking efficiency of the die mechanism and saves manpower and material resources.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a be convenient for automatic unloading die stamping mechanism, includes die holder (1), top fixedly connected with traveller (2) of die holder (1), the one end swing joint that die holder (1) were kept away from in traveller (2) has upper die base (3), the bottom of upper die base (3) is provided with terrace die (4), its characterized in that: the utility model discloses a die, including die holder (1), stripper (5), die (6), die and upper die base (3), the top fixed mounting of die holder (1) has die (6), and the depressed part bottom of die (6) has seted up installation cavity (7), be provided with damping device (8) between the bottom of die (6) and the depressed part of upper die base (3), the bottom surface swing joint of die (6) has first slider (9), the front end surface swing joint of first slider (9) has movable rod (10), the one end swing joint that first slider (9) were kept away from in movable rod (10) has second slider (11), the top swing joint of second slider (11) has clamp plate (17), the bottom of installation cavity (7) is provided with electric putter (14), the flexible end fixedly connected with push pedal (15) of electric putter (14).

2. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: damping device (8) are including holding pad (801) and accepting groove (802), hold pad (801) and be located the top of accepting groove (802), the bottom roll connection of holding pad (801) has marble (803), the bottom fixedly connected with first spring (804) of marble (803), the one end that marble (803) were kept away from in first spring (804) and the interior bottom fixed connection who accepts groove (802).

3. The mechanism for facilitating automatic blanking of dies according to claim 2, characterized in that: the number of the shock absorption devices (8) is a plurality of groups, the bearing pads (801) are made of thermoplastic polyester elastomer materials, and the marbles (803) are made of rubber materials.

4. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: the bottom fixedly connected with of upper die base (3) and traveller (2) sliding connection's sliding sleeve, the quantity of traveller (2) is four groups, and four groups traveller (2) are four corners of rectangle distribution in the top of lower die base (1).

5. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: the bottom end of the concave part of the female die (6) is provided with a first sliding groove (901) matched with the first sliding block (9), and the bottom of the pressing plate (17) is provided with a second sliding groove (111) matched with the second sliding block (11).

6. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: the quantity of movable rod (10) is two sets of, and the quantity of every movable rod of group (10) is two, two it is connected with pivot (13) to rotate between movable rod (10), fixedly connected with second spring (12) between the both sides of pivot (13) and lie in two movable rod (10).

7. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: the lower die holder (1) and the upper die holder (3) are both made of hard alloy materials, and the bottom of the lower die holder (1) is adhered with an anti-skid pad (16).

8. The mechanism for facilitating automatic blanking of dies according to claim 1, characterized in that: the electric push rod (14) is fixedly connected with the bottom of the mounting cavity (7) through a bolt, and the push plate (15) is welded and fixed with the telescopic end of the electric push rod (14).

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