CN215431117U - Ultra-precise progressive die - Google Patents

Abstract

The utility model belongs to the technical field of dies and discloses an ultra-precise progressive die which comprises a base, a lower die, a guide rod, an upper die, a limiting cylinder and a positioning seat, wherein the lower die is arranged on the base; the guide rods are installed at the two ends of the base through the stand columns, the hydraulic rods are installed at the bottom of the top plate, the bottom ends of the hydraulic rods are fixedly connected with the center of the top of the upper die, the convex modules are installed on the bottom surface of the upper die, the two ends of the upper die are slidably arranged on the guide rods through the guide sliding blocks, and the bottoms of the two ends of the lower die are connected with the limiting cylinders arranged in the base through the limiting rods. The hydraulic rod drives the upper die to move on the guide rod, the upper die is connected in the limiting cylinder through the limiting rod, the lower convex module presses a workpiece in the concave die groove progressively through the limiting spring, and the positioning hole is in positioning connection with the positioning rod to prevent the lower die from deviating; limiting spring and buffer spring further reduce impact pressure, avoid one-time stamping forming, prevent to strike and press too big and damage the bed die, increase life, improve the machining precision.

Description

Ultra-precise progressive die

Technical Field

The utility model relates to the technical field of dies, in particular to an ultra-precise progressive die.

Background

In the industrial production of dies, various dies and workpieces of required products are obtained by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods.

Present mould adopts punching press mechanism to carry out disposable stamping forming to the mould more, and the punching press that not only makes the mould receive is too big, makes mould life lower, and if not professional to placing some softer materials of texture, when the punching press, the unevenness on surface can be squeezed into the plane, makes the size of product change, influences the precision of product, the use of the mould of not being convenient for. Therefore, an ultra-precise progressive die is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an ultra-precise progressive die; the hydraulic rod drives the upper die to move downwards on the guide rod through the guide sliding block, the telescopic spring is compressed, the upper die is enabled to move downwards in a progressive mode, the male die block is used for carrying out die pressing operation on a workpiece in the female die groove, and the telescopic spring can facilitate the upper die to return to an initial position; in the die pressing process, the lower die is connected and arranged in the limiting cylinder through the limiting rod, the limiting rod slowly moves downwards under the action of a limiting spring through the limiting block, and in the downward movement process of the lower die, the positioning hole in the bottom surface and the positioning rod on the positioning seat below are mutually nested and positioned and connected, so that the small lower die is prevented from offsetting, and the precision of a product is prevented from being influenced; the accuracy of the pressing die in the moving process of the lower die is ensured; the ultra-precise progressive die pressing operation is fully realized; spacing spring and buffer spring carry out further reduction to the impact pressure of last mould, avoid one-time stamping forming, prevent to strike to press too big and damage bed die isotructure, increase the life of mould, prevent that the bellying of the softer material of texture from flattening, prevent to influence the fashioned size of material, improve the precision of product processing.

In order to achieve the purpose, the ultra-precise progressive die provided by the utility model comprises a base, an upright post, a lower die, a guide rod, a top plate, an upper die, a convex die block, a concave die groove, a limiting cylinder and a positioning seat; there is the guide bar through the column mouting on the base both ends, the guide bar top is provided with the roof through ear seat connection, the hydraulic stem is installed to the roof bottom, the hydraulic stem bottom and last mould top center mutual fixed connection, it is provided with protruding module to go up the installation on the mould bottom surface, it slides through the direction slider and sets up on the guide bar on the both ends of mould to go up, the lower mould both ends bottom is connected through the gag lever post and is set up on the spacing section of thick bamboo in the base, be provided with the die cavity on the lower mould, a plurality of locating hole has been seted up to the bottom, the base is inside to be provided with the positioning seat through the telescopic link connection.

Optionally, the guide rod is sleeved with an expansion spring, the top of the guide sliding block is connected with the bottom surface of the lug seat through the expansion spring, and the bottom of the guide sliding block is connected with the top surface of the stand column through the expansion spring.

Optionally, a buffer spring connected with the bottom in the base is arranged at the bottom of the positioning seat; the top surface of the positioning seat is provided with a plurality of positioning rods connected with the positioning holes.

Optionally, a limiting block connected with the limiting rod is arranged inside the limiting cylinder, and a limiting spring is connected between the limiting block and the bottom in the limiting cylinder.

Optionally, the lower die is connected and arranged on the limiting cylinder through a limiting rod and moves up and down through a limiting spring.

Alternatively, the upper die driving hydraulic rod drives up and down on the guide rod via the guide slider.

Optionally, the male die block is arranged corresponding to the female die groove.

According to the technical scheme, a workpiece is placed in a female die groove, a hydraulic rod is started to drive an upper die to move downwards on a guide rod through a guide sliding block, a telescopic spring is compressed, the upper die moves downwards in a progressive mode, the workpiece in the female die groove is subjected to die pressing operation through a convex die block, and the telescopic spring can facilitate the upper die to return to an initial position; in the die pressing process, the lower die is connected and arranged in the limiting cylinder through the limiting rod, the limiting rod slowly moves downwards under the action of a limiting spring through the limiting block, and in the downward movement process of the lower die, the positioning hole in the bottom surface and the positioning rod on the positioning seat below are mutually nested and positioned and connected, so that the small lower die is prevented from offsetting, and the precision of a product is prevented from being influenced; the accuracy of the pressing die in the moving process of the lower die is ensured; the ultra-precise progressive die pressing operation is fully realized; spacing spring and buffer spring carry out further reduction to the impact pressure of last mould, avoid one-time stamping forming, prevent to strike to press too big and damage bed die isotructure, increase the life of mould, prevent that the bellying of the softer material of texture from flattening, prevent to influence the fashioned size of material, improve the precision of product processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an ultra-precise progressive die according to the present invention;

FIG. 2 is a schematic structural view of the connection between a lower mold and a limiting cylinder in the ultra-precise progressive mold according to the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of an ultra-precise progressive die of the present invention;

FIG. 4 is a schematic structural view of a limiting cylinder in the ultra-precise progressive die of the present invention;

the reference numbers illustrate:

1. a base; 2. a column; 3. a lower die; 4. a guide bar; 5. a top plate; 6. an upper die; 7. a male module; 8. a die cavity; 9. a limiting cylinder; 10. positioning seats; 11. positioning a rod; 12. a buffer spring; 13. a telescopic rod; 14. a hydraulic lever; 15. a tension spring; 51. an ear mount; 61. a guide slider; 81. positioning holes; 91. a limiting rod; 92. a limiting spring; 93. and a limiting block.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-4, the present invention provides an ultra-precise progressive die, which includes a base 1, a pillar 2, a lower die 3, a guide rod 4, a top plate 5, an upper die 6, a male die 7, a female die cavity 8, a limiting cylinder 9 and a positioning seat 10; install guide bar 4 through stand 2 on the 1 both ends of base, the 4 tops of guide bar are provided with roof 5 through ear seat 51 connection, hydraulic stem 14 is installed to roof 5 bottom, hydraulic stem 14 bottom and the mutual fixed connection in 6 top centers of last mould, it is provided with convex mould piece 7 to go up the installation on the 6 bottom surfaces of mould, it slides through direction slider 61 and sets up on guide bar 4 to go up on the both ends of mould 6, 3 both ends bottoms of bed die are connected through gag lever post 91 and are set up on spacing section of thick bamboo 9 in base 1, be provided with die cavity 8 on the bed die 3, a plurality of locating hole 81 has been seted up to the bottom, base 1 is inside to be provided with positioning seat 10 through telescopic link 13 connection.

Specifically, the guide rod 4 is sleeved with a telescopic spring 15, the top of the guide sliding block 61 is connected with the bottom surface of the ear seat 51 through the telescopic spring 15, and the bottom of the guide sliding block is connected with the top surface of the upright post 2 through the telescopic spring 15.

Specifically, the bottom of the positioning seat 10 is provided with a buffer spring 12 connected with the bottom in the base 1; the top surface of the positioning seat 10 is provided with a plurality of positioning rods 11 connected with the positioning holes 81.

Specifically, the inside stopper 93 that is connected with gag lever post 91 that is provided with of a spacing section of thick bamboo 9, stopper 93 and spacing section of thick bamboo 9 interior bottom between be connected and be provided with spacing spring 92.

Specifically, the lower mold 3 is connected to the limiting cylinder 9 through a limiting rod 91, and moves up and down through a limiting spring 92.

Specifically, the upper die 6 drives the hydraulic rod 14 to move up and down on the guide rod 4 via the guide slider 61.

Specifically, the male mold block 7 is arranged corresponding to the female mold cavity 8.

The working principle and the using process of the utility model are as follows: when the device is used, a worker places a workpiece in the female die groove 8, the hydraulic rod 14 is started to drive the upper die 6 to move downwards on the guide rod 4 through the guide sliding block 61, the telescopic spring 15 is compressed, the upper die 6 is enabled to move downwards gradually, and the workpiece in the female die groove 8 is subjected to die pressing operation through the convex die block 7; in the die-pressing process, the lower die 3 is connected and arranged in the limiting cylinder 9 through the limiting rod 91, the limiting rod 91 slowly moves downwards through the limiting block 93 under the action of the limiting spring 92, and in the downward movement process of the lower die 3, the positioning hole 81 on the bottom surface and the positioning rod 11 on the positioning seat 10 below are mutually nested and positioned and connected, so that the small lower die 3 is prevented from offsetting, and the product precision is prevented from being influenced; the accuracy of the pressing die in the moving process of the lower die is ensured; the ultra-precise progressive die pressing operation is fully realized; limiting spring 92 and buffer spring 12 further reduce the impact pressure of last mould 6, prevent to strike and press too big and damage structures such as lower mould 3, increase the life of mould, prevent that the bellying of the softer material of texture from flattening, prevent to influence the fashioned size of material, improve the precision of product processing.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. An ultra-precise progressive die is characterized by comprising a base (1), a stand column (2), a lower die (3), a guide rod (4), a top plate (5), an upper die (6), a convex die block (7), a concave die groove (8), a limiting cylinder (9) and a positioning seat (10); install guide bar (4) through stand (2) on base (1) both ends, guide bar (4) top is provided with roof (5) through ear seat (51) connection, hydraulic stem (14) are installed to roof (5) bottom, hydraulic stem (14) bottom and last mould (6) top center mutual fixed connection, it is provided with convex mould piece (7) to go up the installation on mould (6) bottom surface, slide the setting on guide bar (4) through guide slider (61) on the both ends of going up mould (6), lower mould (3) both ends bottom is connected through gag lever post (91) and is set up on spacing section of thick bamboo (9) in base (1), be provided with die cavity (8) on lower mould (3), a plurality of locating hole (81) have been seted up to the bottom, base (1) inside is provided with positioning seat (10) through telescopic link (13) connection.

2. The ultra-precise progressive die of claim 1, wherein the guide rod (4) is sleeved with a telescopic spring (15), the top of the guide slider (61) is connected with the bottom surface of the lug seat (51) through the telescopic spring (15), and the bottom of the guide slider is connected with the top surface of the upright post (2) through the telescopic spring (15).

3. The ultra-precise progressive die of claim 1, wherein the bottom of the positioning seat (10) is provided with a buffer spring (12) connected with the inner bottom of the base (1); the top surface of the positioning seat (10) is provided with a plurality of positioning rods (11) connected with the positioning holes (81).

4. The ultra-precise progressive die of claim 1, wherein a limiting block (93) connected with the limiting rod (91) is arranged inside the limiting cylinder (9), and a limiting spring (92) is connected between the limiting block (93) and the bottom inside the limiting cylinder (9).

5. The ultra-precise progressive die of claim 1, wherein the lower die (3) is connected to the limiting cylinder (9) through a limiting rod (91) and is moved up and down through a limiting spring (92).

6. The ultra-precise progressive die according to claim 1, wherein the upper die (6) drives the hydraulic rod (14) to move up and down on the guide rod (4) via the guide slider (61).

7. The ultra-precise progressive die according to claim 1, wherein the male die blocks (7) are arranged in correspondence with the female die grooves (8).

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