CN216175874U - Prevent cracked continuous stamping die of wrinkling - Google Patents

Abstract

The utility model provides a prevent continuous stamping die that corrugates and break, the on-line screen storage device comprises a base, the die cavity has been seted up down to base top one side, the base is close to the inside one side of die cavity and is equipped with the bed die down, bed die bottom one side is equipped with the folding tube with the die cavity between the relative inner wall down, the outer wall welded connection that the base is close to die cavity opening one side has the die carrier down, go up the die carrier and run through and sliding connection has the cope match-plate pattern, welded connection has reset spring between the bottom one side that the cope match-plate pattern is close to the die carrier position and the base outer wall, one side welded connection that the cope match-plate pattern is the bed die relatively has the last mould, the tensile groove has been seted up to one side that the die is gone up relatively to the bed die, through the meshing of draw bead and draw the groove, and then make the material in stamping process, can be better tensile, and then guarantee that the punching press force is even, thereby reduce the problem that the product edge takes place the fold, guarantee production quality.

Description

Prevent cracked continuous stamping die of wrinkling

Technical Field

The utility model relates to the technical field of production and manufacturing, in particular to a continuous stamping die capable of preventing wrinkling and cracking.

Background

The stamping die is a device for processing materials into parts in cold stamping processing, and is a mechanical device commonly used in the forming processing of the parts materials at present.

At present at the in-process of metal stamping forming production, because the velocity of flow of material is too fast, the pressure of individual position is different in stamping process, and then causes the product edge to corrugate easily, influences product quality, simultaneously because the pressure of punching press is too big in stamping process, causes the product to accomplish the back surface fracture at the punching press easily, causes the yields of product production to descend, causes the loss of cost.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: at present, a finished product is easy to wrinkle and crack when a material is punched by a punching die, and the quality of product production is further reduced.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a prevent cracked continuous stamping die that corrugates, includes the base, the die cavity has been seted up down to base top one side, the base is close to the inside one side of die cavity down and is equipped with the bed die, be equipped with the folding tube between bed die bottom one side and the relative inner wall of lower die cavity, the outer wall welded connection that the base is close to lower die cavity opening one side has the die carrier, the die carrier runs through and sliding connection has the cope match-plate pattern, welded connection has reset spring between the bottom one side that the cope match-plate pattern is close to the die carrier position and the base outer wall, one side welded connection of the relative bed die of cope match-plate pattern has the mould, tensile groove has been seted up to the relative one side of going up the mould of bed die.

As a preferred technical scheme, one side of the upper die, which is opposite to the lower die, is welded and connected with the forming block, the stretching groove is meshed with the upper die and is connected with the upper die in a plugging mode, and the lower die, which is close to the stretching groove and is opposite to the forming block, is provided with the forming groove, so that the stamping is more uniform, and the wrinkle problem caused by uneven stress is reduced.

As a preferable technical scheme of the utility model, one side of the upper die, which is opposite to the drawing groove, is connected with a drawing bead in an injection molding mode, the drawing groove is formed in the drawing groove and is opposite to the drawing bead, and the drawing bead is meshed and connected with the drawing groove, so that the drawing strength of material stamping is improved, and the problem of wrinkling on the edge of the material is reduced.

As a preferred technical scheme, one side of the bottom of the lower die is connected with a buffer rod in a welding mode, the buffer rod penetrates through the base and is connected with the base in a sliding mode, and a buffer spring is connected between one end, penetrating through the base, of the buffer rod and the inner groove wall of the buffer rod in a welding mode, so that the buffering during die stamping is improved, and the risk of cracking caused by overlarge stamping force is reduced.

According to the preferable technical scheme, the outer side wall of the lower die is fixedly connected with the sliding block, the sliding block penetrates through and is connected with the sliding rod in a sliding mode, the sliding rod is connected to the inner wall of the lower die groove in a welding mode, one end of the top of the sliding rod is fixedly connected with the limiting block, stability of the die in the stamping process is guaranteed, completeness of a stamped finished product is guaranteed, and cracking wrinkles caused by uneven stress are reduced.

The utility model has the following advantages:

through the engagement of the draw bead and the draw groove, the material can be better stretched in the stamping process, so that the uniform stamping force is ensured, the problem of wrinkles at the edge of a product is reduced, and the production quality is ensured; through the buffering of bottom and the stable structure of side, and then in stamping process, guarantee that the pressure of punching press can not be too big, and then reduce the problem emergence of product fracture, guarantee the efficiency and the product quality of production.

Drawings

FIG. 1 is a schematic cross-sectional front view of a preferred embodiment of the present invention;

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

fig. 3 is a schematic top view of a lower mold according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a base; 2. a lower die cavity; 3. a lower die; 4. folding the tube; 5. feeding a mold frame; 6. mounting a template; 7. a return spring; 8. an upper die; 9. forming a block; 10. a drawing tank; 11. forming a groove; 12. a draw bead; 13. drawing a groove; 14. a buffer rod; 15. a buffer spring; 16. a slider; 17. a slide bar; 18. and a limiting block.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-3, a continuous stamping die for preventing wrinkling and cracking comprises a base 1, a lower die cavity 2 is formed at one side of the top of the base 1, a lower die 3 is arranged at one side of the base 1 near the inner part of the lower die cavity 2, a folding pipe 4 is arranged between one side of the bottom of the lower die 3 and the opposite inner wall of the lower die cavity 2, an upper die frame 5 is welded and connected to the outer wall of the base 1 near the opening side of the lower die cavity 2, the upper die frame 5 is penetrated and slidably connected with an upper die plate 6, the upper die 3 and the lower die are engaged and stamped to ensure the uniformity and quality of stamping of a finished product, a return spring 7 is welded and connected between one side of the bottom of the upper die frame 6 near the position of the upper die frame 5 and the outer wall of the base 1, an upper die 8 is welded and connected to one side of the upper die plate 6 opposite to the lower die 3, a stretching groove 10 is formed at one side of the lower die 3 opposite to the upper die 8, so as to better perform stamping, the problems of fold and crack generated by stamping are reduced, and the product quality is ensured.

The forming block 9 is fixedly connected to one side of the bottom of the upper die 8, the forming block 9 is connected with a forming groove 11 in an engaged mode, the forming groove 11 is formed in one side, opposite to a stretching groove 10 of the lower die 3, through an engaged stamping mode, the uniformity of stamping pressure is further improved, the quality of a stamped finished product is guaranteed, a drawing groove 13 is formed in the inner wall of the stretching groove 10, the drawing groove 13 is connected with a drawing rib 12 in an engaged mode, the drawing rib 12 is fixedly connected to the opposite position of the upper die 8, through the mutual engagement of the drawing groove 13 and the drawing rib 12, the material can be better drawn during stamping, the flow rate of the material on the outer side is guaranteed to be consistent and uniform, and the product is guaranteed not to generate wrinkles.

Wherein, base 1 is close to die cavity 2 bottom inner wall welded connection and has buffer spring 15, buffer spring 15 welded connection has buffer beam 14, buffer beam 14 runs through and sliding connection's one end and 3 bottom welded connection of bed die with base 1, through buffer spring 15 and buffer beam 14, and then in stamping process, can guarantee that the material in the mould can not receive great pressure, and then guarantee that pressure is suitable, reduce the risk of product fracture, 2 inner wall welded connection of bed cavity has slide bar 17, slide bar 17 other end fixedly connected with stopper 18, slide bar 17 runs through and sliding connection has slider 16, slider 16 and 3 fixed connection of bed die, slider 16 and slide bar 17's slip through the side, and then promote the stability of mould when the punching press descends, thereby promote the stability of punching press and the off-the-shelf quality of punching press.

The working principle is that when the stamping die is used, a stamping material is placed above a lower die 3, an upper die plate 6 is stamped downwards through a stamping device at the top, then the upper die plate 6 slides on an upper die frame 5 and extrudes a return spring 7, then the upper die 8 and a forming block 9 are respectively inserted into a stretching groove 10 and a forming groove 11, meanwhile, a drawing rib 12 is meshed with a drawing groove 13, so that the material drawing is more uniform, meanwhile, a folding tube 4 at the bottom is folded and contracted, meanwhile, a buffer rod 14 slides inwards, the stamping force is buffered through a buffer spring 15, the material is not damaged due to overlarge stamping force, sliding blocks 16 on two sides slide on a sliding rod 17 to ensure that the lower die 3 descends stably, and after the stamping is completed, the upper die plate 6 and the upper die 8 can be reset through the return spring 7.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Other parts of the utility model not described in detail are prior art and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. A continuous stamping die for preventing wrinkling and cracking, comprising: base (1), chase (2) down have been seted up to base (1) top one side, base (1) is close to inside one side of chase (2) down and is equipped with bed die (3), be equipped with between bed die (3) bottom one side and the relative inner wall of chase (2) down folded tube (4), base (1) is close to outer wall welded connection on one side of lower chase (2) opening and has last die carrier (5), it runs through and sliding connection has cope match-plate pattern (6) to go up die carrier (5), welded connection has reset spring (7) between bottom one side that cope match-plate pattern (6) was close to last die carrier (5) position and base (1) outer wall, one side welded connection of relative bed die (3) of cope match-plate pattern (6) has last mould (8), tensile groove (10) have been seted up to one side of relative last mould (8) of bed die (3).

2. The continuous stamping die capable of preventing wrinkling and cracking as claimed in claim 1, wherein a forming block (9) is welded and connected to one side of the upper die (8) opposite to the lower die (3), the drawing groove (10) is engaged with and connected to the upper die (8) in a plugging manner, and a forming groove (11) is formed in the position, close to the drawing groove (10), of the lower die (3) and opposite to the forming block (9).

3. The continuous stamping die capable of preventing wrinkling and cracking as claimed in claim 1, wherein a draw bead (12) is connected to one side of the upper die (8) opposite to the drawing groove (10) in an injection molding manner, a draw groove (13) is formed in the position of the drawing groove (10) opposite to the draw bead (12), and the draw bead (12) is connected with the draw groove (13) in an engagement manner.

4. The continuous stamping die capable of preventing wrinkling and cracking as claimed in claim 1, wherein a buffer rod (14) is welded and connected to one side of the bottom of the lower die (3), the buffer rod (14) is penetrated and slidably connected with the base (1), and a buffer spring (15) is welded and connected between one end of the buffer rod (14) penetrating the base (1) and the inner wall of the buffer rod.

5. The continuous stamping die capable of preventing wrinkling and cracking as claimed in claim 1, wherein a sliding block (16) is fixedly connected to the outer side wall of the lower die (3), a sliding rod (17) is penetrated and slidably connected to the sliding block (16), the sliding rod (17) is welded and connected to the inner wall of the lower die cavity (2), and a limiting block (18) is fixedly connected to one end of the top of the sliding rod (17).

Images