CN215998348U - Precision stamping die with buffer structure - Google Patents

Abstract

The utility model discloses an accurate stamping die with buffer structure, which comprises a substrate, the top of base plate is equipped with the bed die, the turning position department on base plate top all is equipped with buffer structure, buffer structure's inside is equipped with a location section of thick bamboo, T type pole and reset spring in proper order, the turning position department on base plate top all is fixed with a location section of thick bamboo, the central point department of putting of location bobbin base portion installs reset spring, T type pole is installed on reset spring's top, reset spring's one end is kept away from to T type pole extends to a location section of thick bamboo the outside and with the bottom fixed connection of bed die, the central point department of putting at bed die top is equipped with the bed die chamber, the inside both sides of bed die all are equipped with spacing post. The utility model discloses not only prolonged stamping die's life, ensured the stability when stamping die uses, improved the convenience when stamping die uses moreover.

Description

Precision stamping die with buffer structure

Technical Field

The utility model relates to a stamping die technical field specifically is an accurate stamping die with buffer structure.

Background

The stamping die is a special processing device for processing materials into parts in cold stamping, and the stamping is a pressure processing method for applying pressure to the materials by utilizing a die arranged on a press at room temperature to enable the materials to generate separation or plastic deformation so as to obtain the required parts.

The stamping die on the market at present is not convenient for carry out the buffering and handles, leads to going up the mould and pushes down the phenomenon that the in-process easily causes the damage to the bed die because of the dynamics of pushing down is higher, puzzles people often.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate stamping die with buffer structure to it is not convenient for carry out the problem of buffering processing to propose stamping die in the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: a precise stamping die with a buffer structure comprises a substrate, wherein a lower die is arranged above the substrate, buffer structures are arranged at the corner positions at the top end of the substrate, a positioning cylinder, a T-shaped rod and a reset spring are sequentially arranged inside the buffer structures, the corner positions at the top end of the substrate are all fixed with the positioning cylinder, the reset spring is arranged at the central position of the bottom of the positioning cylinder, the T-shaped rod is arranged at the top end of the reset spring, one end, away from the reset spring, of the T-shaped rod extends to the outside of the positioning cylinder and is fixedly connected with the bottom end of the lower die, a lower die cavity is arranged at the central position of the top of the lower die, limiting columns are arranged at two sides of the inside of the lower die, the bottom ends of the limiting columns extend to the outside of the lower die and are fixedly connected with the top end of the substrate, and the top ends of the limiting columns extend to the outside of the lower die, the upper die is movably connected to the outer wall of the limiting column above the lower die, and a stamping block is arranged at the center of the bottom end of the upper die.

Preferably, four groups of buffer structures are arranged, and adjacent buffer structures are symmetrical about the central line of the lower die so as to buffer the lower die.

Preferably, the top of the base plate on one side of the positioning cylinder is provided with a pin hole, and the bottom end of the pin hole extends to the outside of the base plate so as to arrange and process the positioning pin.

Preferably, an ejector plate is arranged at one end inside the lower die cavity, and the ejector plate and the punching block are of a horizontal structure so as to eject the punched workpiece.

Preferably, the top of going up the mould is equipped with the footstock, the bottom of footstock and the top fixed connection of spacing post to settle the processing to the cylinder.

Preferably, the center position department at footstock top installs the cylinder, the bottom of cylinder runs through the footstock and with the top fixed connection of last mould to drive the downward movement of last mould.

Preferably, two sets of nuts are arranged at the bottom of the lower die cavity below the ejector plate, and the bottom ends of the nuts extend to the outside of the lower die so as to arrange and process the screw rods.

Preferably, a positioning pin is mounted at the top end of the base plate at the pin hole position, and the bottom end of the positioning pin penetrates through the pin hole to the outside so as to position the stamping die.

Preferably, the internal thread of nut is connected with the lead screw, the top of lead screw extends to the outside of nut and rotates with the bottom of liftout plate to be connected, the bottom of lead screw extends to the outside of nut and installs the hand wheel to drive the liftout plate rebound.

Compared with the prior art, the beneficial effects of the utility model are that: the precision stamping die with the buffer structure not only prolongs the service life of the stamping die, ensures the stability of the stamping die during use, but also improves the convenience of the stamping die during use;

(1) the reset spring has good elastic action, so that the reset spring is positioned in the positioning cylinder to contract and drives the T-shaped rod to move downwards, so that the T-shaped rod drives the lower die to synchronously move downwards to achieve the purpose of buffering, the phenomenon of damage to the lower die when the upper die is pressed downwards can be reduced, and the service life of the stamping die is prolonged;

(2) the bottom end of the positioning pin penetrates through the pin hole and is screwed into the top of a workbench of the stamping equipment by rotating the positioning pin, so that the purpose of rapid positioning is achieved, the phenomenon that the stamping die displaces due to external factors can be reduced, and the stability of the stamping die in use is ensured;

(3) the hand wheel is rotated to drive the lead screw to rotate and move upwards in the nut, so that the lead screw drives the ejection plate to move upwards, and then the workpiece which is punched in the lower die cavity is ejected out through the ejection plate, so that the purpose of automatic blanking is achieved, and the convenience of the stamping die in use is improved.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged schematic view of the buffering structure of the present invention;

fig. 5 is a schematic side view of the present invention.

In the figure: 1. a substrate; 2. a buffer structure; 201. a positioning cylinder; 202. a T-shaped rod; 203. a return spring; 3. a lower die; 4. a lower die cavity; 5. a limiting column; 6. an upper die; 7. a top seat; 8. a cylinder; 9. stamping the blocks; 10. ejecting the plate; 11. positioning pins; 12. a pin hole; 13. a hand wheel; 14. a screw rod; 15. and a nut.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a precision stamping die with a buffer structure comprises a substrate 1, wherein a lower die 3 is arranged above the substrate 1, buffer structures 2 are arranged at corner positions of the top end of the substrate 1, four groups of buffer structures 2 are arranged, and adjacent buffer structures 2 are symmetrical about the central line of the lower die 3;

when in use, the buffer structure 2 is arranged at the corner position of the top end of the substrate 1 so as to buffer the lower die 3;

a positioning cylinder 201, a T-shaped rod 202 and a return spring 203 are sequentially arranged in the buffer structure 2, the positioning cylinder 201 is fixed at the corner position of the top end of the substrate 1, pin holes 12 are arranged at the top of the substrate 1 on one side of the positioning cylinder 201, and the bottom ends of the pin holes 12 extend to the outside of the substrate 1;

when in use, the pin holes 12 are arranged at the top of the base plate 1 at one side of the positioning cylinder 201 so as to arrange the positioning pins 11;

a positioning pin 11 is arranged at the top end of the base plate 1 at the position of the pin hole 12, and the bottom end of the positioning pin 11 penetrates to the outside of the pin hole 12;

when the positioning device is used, the bottom end of the positioning pin 11 penetrates through the pin hole 12 and is screwed into the top of the processing platform by rotating the positioning pin, so that the stamping die is positioned;

a reset spring 203 is installed at the central position of the bottom of the positioning cylinder 201, a T-shaped rod 202 is installed at the top end of the reset spring 203, one end, far away from the reset spring 203, of the T-shaped rod 202 extends to the outside of the positioning cylinder 201 and is fixedly connected with the bottom end of the lower die 3, a lower die cavity 4 is arranged at the central position of the top of the lower die 3, an ejector plate 10 is arranged at one end inside the lower die cavity 4, and the ejector plate 10 and the stamping block 9 are in a horizontal structure;

when in use, the ejection plate 10 is arranged at one end inside the lower die cavity 4, so that the punched workpiece can be ejected;

two groups of nuts 15 are arranged at the bottom of the lower die cavity 4 below the ejector plate 10, and the bottom ends of the nuts 15 extend to the outside of the lower die 3;

when in use, the nuts 15 are arranged at two sides of the bottom of the lower die cavity 4 so as to arrange the screw rods 14;

the inner thread of the nut 15 is connected with a screw rod 14, the top end of the screw rod 14 extends to the outer part of the nut 15 and is rotatably connected with the bottom end of the ejector plate 10, and the bottom end of the screw rod 14 extends to the outer part of the nut 15 and is provided with a hand wheel 13;

when in use, the hand wheel 13 is rotated to drive the screw rod 14 to rotate and slide upwards in the nut 15, so as to drive the ejector plate 10 to move upwards;

the two sides of the interior of the lower die 3 are provided with limiting columns 5, the bottom ends of the limiting columns 5 extend to the exterior of the lower die 3 and are fixedly connected with the top end of the substrate 1, the top ends of the limiting columns 5 extend to the exterior of the lower die 3, the outer wall of the limiting column 5 above the lower die 3 is movably connected with an upper die 6, a top seat 7 is arranged above the upper die 6, and the bottom end of the top seat 7 is fixedly connected with the top ends of the limiting columns 5;

when the device is used, the footstock 7 is arranged at the tops of the two groups of limiting columns 5, so that the air cylinder 8 can be arranged conveniently;

the center position of the top end of the top seat 7 is provided with an air cylinder 8, and the bottom end of the air cylinder 8 penetrates through the top seat 7 and is fixedly connected with the top end of the upper die 6;

when in use, the air cylinder 8 is opened so as to drive the upper die 6 to move downwards;

a stamping block 9 is arranged at the central position of the bottom end of the upper die 6.

When the device is used, firstly, the positioning pin 11 is rotated to enable the bottom end to penetrate through the pin hole 12 and be screwed into the top of a workbench of a stamping device so as to achieve the purpose of rapid positioning, then the cylinder 8 is opened to enable the cylinder to drive the upper die 6 to be positioned on the outer wall of the limiting column 5 to move downwards so as to enable the upper die 6 to drive the stamping block 9 to move downwards synchronously, further the stamping block 9 moves downwards to the inside of the lower die cavity 4 to perform stamping process on a workpiece, then the reset spring 203 has good elastic effect so as to enable the reset spring to be positioned inside the positioning cylinder 201 to contract and drive the T-shaped rod 202 to move downwards so as to enable the T-shaped rod 202 to drive the lower die 3 to move downwards synchronously, and further the purpose of buffering is achieved, finally, the hand wheel 13 is rotated to enable the lead screw 14 to be positioned inside the nut 15 to rotate and move upwards so as to enable the lead screw 14 to drive the ejector plate 10 to move upwards, and then the workpiece which is punched in the lower die cavity 4 can be ejected through the ejection plate 10, so that the purpose of automatic blanking is achieved, and the use of the stamping die is completed.

Claims (9)

1. The precision stamping die with the buffer structure is characterized by comprising a substrate (1), a lower die (3) is arranged above the substrate (1), the buffer structure (2) is arranged at the corner position of the top end of the substrate (1), a positioning cylinder (201), a T-shaped rod (202) and a reset spring (203) are sequentially arranged inside the buffer structure (2), the positioning cylinder (201) is fixed at the corner position of the top end of the substrate (1), the reset spring (203) is arranged at the central position of the bottom of the positioning cylinder (201), the T-shaped rod (202) is arranged at the top end of the reset spring (203), a lower die cavity (4) is arranged at the central position of the top of the lower die (3), limiting columns (5) are arranged at two sides of the inside of the lower die (3), and an upper die (6) is movably connected onto the outer wall of the limiting column (5) above the lower die (3), and a stamping block (9) is arranged at the central position of the bottom end of the upper die (6).

2. The precision press-die with a cushion structure according to claim 1, wherein: four groups of buffer structures (2) are arranged, and the adjacent buffer structures (2) are symmetrical about the central line of the lower die (3).

3. The precision press-die with a cushion structure according to claim 1, wherein: the top of the base plate (1) on one side of the positioning cylinder (201) is provided with a pin hole (12), and the bottom end of the pin hole (12) extends to the outside of the base plate (1).

4. The precision press-die with a cushion structure according to claim 1, wherein: an ejector plate (10) is arranged at one end inside the lower die cavity (4), and the ejector plate (10) and the stamping block (9) are of a horizontal structure.

5. The precision press-die with a cushion structure according to claim 1, wherein: the upper die is characterized in that a top seat (7) is arranged above the upper die (6), and the bottom end of the top seat (7) is fixedly connected with the top end of the limiting column (5).

6. The precision press-die with a cushion structure according to claim 5, wherein: the center position department on footstock (7) top installs cylinder (8), the bottom of cylinder (8) run through footstock (7) and with the top fixed connection of last mould (6).

7. The precision press-die with a cushion structure according to claim 4, wherein: two sets of nuts (15) are arranged at the bottom of the lower die cavity (4) below the ejector plate (10), and the bottom ends of the nuts (15) extend to the outside of the lower die (3).

8. The precision press-die with a cushion structure according to claim 3, wherein: the locating pin (11) is installed on the top end of the base plate (1) at the position of the pin hole (12), and the bottom end of the locating pin (11) penetrates through the outer portion of the pin hole (12).

9. The precision press-die with a cushion structure according to claim 7, wherein: the interior threaded connection of nut (15) has lead screw (14), the top of lead screw (14) extends to the outside of nut (15) and rotates with the bottom of knock-out plate (10) to be connected, the bottom of lead screw (14) extends to the outside of nut (15) and installs hand wheel (13).

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