CN220658968U - Quick positioning mechanism of stamping die secondary punching press - Google Patents

Abstract

The utility model discloses a quick positioning mechanism for secondary stamping of a stamping die, which comprises an upper die holder and a lower die holder, wherein a stamping die is fixedly arranged on the lower surface of the upper die holder, a placement die is fixedly arranged on the upper surface of the lower die holder, a material guide plate is arranged in the middle of the front end of the placement die, two sides of the material guide plate are fixedly provided with fixing plates, the other side of the fixing plates is fixedly arranged on the upper surface of the placement die, one side of the material guide plate is provided with a guide needle base, a guide needle is arranged on the guide needle base, a guide hole is arranged on the material guide plate right below the guide needle, a stop slider is further arranged on the upper surface of the placement die, a reset punch is arranged below the stamping die, and the lower end of the reset punch is right against the stop slider. According to the utility model, the guide plate, the guide needle base and the guide needle are arranged outside the die, so that the die is rapidly positioned on the feed inlet guide plate, the structure is simple, the overall weight of the die is reduced, the length of the die is effectively shortened, die opening materials are reduced, and the die opening cost is saved.

Description

Quick positioning mechanism of stamping die secondary punching press

Technical Field

The utility model relates to the technical field of stamping die processing, in particular to a secondary stamping quick positioning mechanism of a stamping die.

Background

The secondary stamping die is a die type commonly used in stamping, which is a processing method for plastically deforming or separating a metal material by placing the material in a special die and applying pressure thereto by mechanical force or hydraulic force, and further processing by the secondary stamping die is required during stamping if a primary stamping operation cannot complete a desired shape or processing requirement. The secondary stamping die is generally used for performing operations such as reshaping, chamfering, perforating and the like on a workpiece after primary stamping.

The secondary stamping die is designed with one-step initial positioning in the die so as to ensure that the product to be processed is positioned at the correct position in the die, but such a station occupies a longer space in the die, so that the die has long length, high cost and heavy weight.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a secondary stamping quick positioning mechanism of a stamping die, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick positioning mechanism of stamping die secondary punching press, includes upper die base and die holder, the fixed mounting of lower surface of upper die base has the stamping die, the fixed mounting of upper surface of die holder has the mould of placing, be provided with the stock guide in the middle of the front end of placing the mould, the both sides fixed mounting of stock guide has the fixed plate, the opposite side of fixed plate and the fixed mounting of upper surface of placing the mould, one side of stock guide is provided with the guide needle base, install the guide needle on the guide needle base, be provided with the guide hole on the stock guide that is located the guide needle under, the upper surface of placing the mould still is provided with the stop slider, the below of stamping die is provided with the drift that resets, and the lower extreme of drift that resets is just opposite the stop slider.

Preferably, the stamping die is provided with a groove at a position corresponding to the fixing plate.

Preferably, the lower end of the guide needle base is provided with a hollow cylinder, one side of the guide plate is provided with a through hole through which the cylinder can pass, and the cylinder of the guide needle base penetrates through the through hole and is in sliding connection with the guide plate.

Preferably, the lower die holder is provided with the second guiding hole in the below department of cylinder, and fixed mounting has the guide bar in the second guiding hole, and the outside cover of guide bar is equipped with the spring, and the top of guide bar stretches into in its cavity from the below of cylinder.

Preferably, the lower end of the reset punch is arranged in a trapezoid shape, and the stop slide block is provided with a corresponding trapezoid groove.

Preferably, the placing die is provided with a chute, the stop slide block is slidably arranged in the chute, and a second spring is arranged between one end of the stop slide block facing the inside of the placing die and the chute.

Preferably, a clamping groove is formed in one side, facing the stop slide block, of the cylinder, and one end, far away from the second spring, of the stop slide block can be clamped in the clamping groove.

Preferably, the fixed plate is arranged above the chute and limits the stop slide block.

Preferably, the lower end of the guide needle is designed into an inverted cone shape.

Compared with the prior art, the utility model has the beneficial effects that:

the device is through arranging stock guide, guide needle base and guide needle outside the mould, makes the mould realize quick location on the feed inlet stock guide to can also effectively practice thrift mould actual length when realizing the quick function of location of secondary punching press, thereby practice thrift the mould cost, reduce mould weight.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic side view of the present utility model when the mold is closed;

fig. 4 is a schematic side view of the utility model when opened.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. stamping die; 4. placing a die; 5. a material guide plate; 51. a through hole; 6. a fixing plate; 7. a guide needle base; 71. a cylinder; 8. a guide needle; 9. a pilot hole; 10. a stop slide; 11. resetting the punch; 12. a groove; 13. a second guide hole; 14. a guide rod; 15. a spring; 16. a trapezoidal groove; 17. a chute; 18. a second spring; 19. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the die comprises an upper die holder 1 and a lower die holder 2, wherein a stamping die 3 is fixedly arranged on the lower surface of the upper die holder 1, a placement die 4 is fixedly arranged on the upper surface of the lower die holder 2, a guide plate 5 is arranged in the middle of the front end of the placement die 4, two sides of the guide plate 5 are fixedly provided with a fixed plate 6, the other side of the fixed plate 6 is fixedly arranged on the upper surface of the placement die 4, one side of the guide plate 5 is provided with a guide needle base 7, a guide needle 8 is arranged on the guide needle base 7, a guide hole 9 is arranged on the guide plate 5 right below the guide needle 8, a stop slide block 10 is also arranged on the upper surface of the placement die 4, a reset punch 11 is arranged below the stamping die 3, and the lower end of the reset punch 11 faces the stop slide block 10;

the stamping die 3 is provided with a groove 12 at a position corresponding to the fixed plate 6; the lower end of the guide needle base 7 is provided with a hollow cylinder 71, one side of the guide plate 5 is provided with a through hole 51 which can allow the cylinder 71 to pass through, and the cylinder 71 of the guide needle base 7 penetrates through the through hole 51 and is in sliding connection with the guide plate 5; the lower die holder 2 is provided with a second guide hole 13 below the cylinder 71, a guide rod 14 is fixedly arranged in the second guide hole 13, a spring 15 is sleeved outside the guide rod 14, and the top end of the guide rod 14 extends into the cavity of the cylinder 71 from the lower side of the cylinder; the stamping die 3 is provided with the groove 12, so that the fixing plate 6 is embedded in the groove 12 when the upper die holder 1 is pressed down, the upper die holder 1 is prevented from being stamped in place, the guide needle base 7 is pressed down, the cylinder 71 moves downwards in the through hole 51 of the guide plate 5, and the spring 15 is extruded along the direction of the guide rod 14 in the second guide hole 13 of the lower die holder 2 until the guide needle 8 stretches into the guide hole 9.

A clamping groove 19 is formed in one side of the cylinder 71, facing the stop slide block 10, so that one end, far away from the second spring 18, of the stop slide block 10 can be clamped in the clamping groove 19; the fixed plate 6 is arranged above the chute 17 and limits the stop slide block 10; the lower end of the guide needle 8 is designed into an inverted cone shape; when the guide needle base 7 is pressed down, the cylinder 71 moves downwards, the stop slide block 10 is attached to the side wall of the cylinder 71 due to the acting force of the second spring 18, and when the clamping groove 19 moves to the position corresponding to the stop slide block 10, the stop slide block 10 stretches into the clamping groove 19 due to the action of the second spring 18 to limit the guide needle base 7, and meanwhile, the stop slide block 10 is limited due to the fixing plate 6 and the sliding groove 17.

The lower end of the reset punch 11 is arranged in a trapezoid shape, and a corresponding trapezoid groove 16 is arranged on the stop slide block 10; the placing die 4 is provided with a chute 17, the stop slide block 10 is slidably arranged in the chute 17, and a second spring 18 is arranged between one end of the stop slide block 10 facing the inside of the placing die 4 and the chute 17; when one end of the stop slide block 10 extends into the clamping groove 19, the inclined edge of the trapezoid groove 16 is dislocated with the inclined edge of the lower end of the reset punch 11, the reset punch 11 is pressed down, the lower end of the reset punch 11 is in contact with the inclined edge of the trapezoid groove 16, the trapezoid groove 16 moves towards the direction of the second spring 18 due to the downward pressure of the reset punch 11, and accordingly the stop slide block 10 is driven to move, one end of the stop slide block 10 extending into the clamping groove 19 is withdrawn, and the guide needle base 7 is reset.

Working principle: in the die sinking state, the secondary punching press material area is sent to the stock guide 5, push down guide pin base 7, make guide pin 8 insert in the guiding hole 9, simultaneously, stop the slider 10 stretches into in the draw-in groove 19 of cylinder 71 under the effect of second spring 18, it is spacing to guide pin base 7, make it can not reset, play the locate function, carry out the secondary punching press again, be in the closed die state after the punching press is accomplished, reset the drift 11 relies on the inclination and the trapezoidal recess 16 of lower extreme, move stop slider 10 to the oblique direction, until stop slider 10 stretches into the one end of draw-in groove 19 and withdraws from, then guide pin base 7 drives guide pin 8 and upwards breaks away from guide hole 9 under the effect of spring 15, no longer location, moreover, the steam generator is simple in structure, the effective shortening of die length.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a quick positioning mechanism of stamping die secondary punching press, includes upper die base (1) and die holder (2), its characterized in that: the die comprises an upper die holder (1), wherein a stamping die (3) is fixedly arranged on the lower surface of the upper die holder (1), a placement die (4) is fixedly arranged on the upper surface of the lower die holder (2), a guide plate (5) is arranged in the middle of the front end of the placement die (4), fixing plates (6) are fixedly arranged on two sides of the guide plate (5), a guide needle base (7) is arranged on one side of the guide plate (5), a guide needle (8) is arranged on the guide needle base (7), a guide hole (9) is formed in the guide plate (5) right below the guide needle (8), a stop slider (10) is further arranged on the upper surface of the placement die (4), a reset punch (11) is arranged below the stamping die (3), and the lower end of the reset punch (11) faces the stop slider (10).

2. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the stamping die (3) is provided with a groove (12) at a position corresponding to the fixing plate (6).

3. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the lower extreme of guide needle base (7) is provided with hollow cylinder (71), and one side of stock guide (5) is provided with through-hole (51) that can make cylinder (71) pass through, and the cylinder (71) of guide needle base (7) runs through-hole (51) and stock guide (5) sliding connection.

4. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the lower die holder (2) is provided with a second guide hole (13) below the cylinder (71), a guide rod (14) is fixedly installed in the second guide hole (13), a spring (15) is sleeved on the outer side of the guide rod (14), and the top end of the guide rod (14) extends into the cavity of the cylinder (71) from the lower side of the cylinder.

5. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the lower end of the reset punch (11) is arranged in a trapezoid shape, and a corresponding trapezoid groove (16) is formed in the stop slide block (10).

6. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the placing die (4) is provided with a chute (17), the stop sliding block (10) is slidably arranged in the chute (17), and a second spring (18) is arranged between one end, facing the inside of the placing die (4), of the stop sliding block (10) and the chute (17).

7. The stamping die secondary stamping quick positioning mechanism according to claim 4, wherein: the cylinder (71) is provided with a clamping groove (19) towards one side of the stop slide block (10), so that one end of the stop slide block (10) far away from the second spring (18) can be clamped in the clamping groove (19).

8. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the fixing plate (6) is arranged above the sliding groove (17) and limits the stop sliding block (10).

9. The stamping die secondary stamping quick positioning mechanism according to claim 1, wherein: the lower end of the guide needle (8) is designed into an inverted cone shape.