CN215467401U

CN215467401U - Stamping die for processing EVA and steel plate composite material

Info

Publication number: CN215467401U
Application number: CN202121395133.5U
Authority: CN
Inventors: 谢宇; 张文杰; 何园明
Original assignee: Youlian New Material Technology Shanghai Co ltd
Current assignee: Tianjin Zhongying New Material Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-11
Anticipated expiration: 2031-06-23

Abstract

The utility model provides a stamping die for processing EVA and steel plate composite materials, which comprises a bottom plate, wherein a die is arranged on the bottom plate, a punch is arranged right above the die, a connecting plate is arranged above the punch, the lower part of the connecting plate is connected with the bottom plate through a connecting mechanism, the lower part of the connecting plate is fixedly connected with the punch, a lower stamping cavity is arranged below the punch on the die, an upper stamping cavity is arranged above the lower stamping cavity, lower shearing structures are arranged on the die on both sides of the lower stamping cavity, upper shearing structures are arranged in the punch on both sides in the upper stamping cavity, the lower shearing structures are additionally arranged on the die and matched with the upper shearing structures on the punch, the form of the traditional flat punch is changed, and the shearing force of the punch is increased during the material processing, and the sheared material is smoother, burrs and iron leakage are reduced, and the reject ratio is reduced.

Description

Stamping die for processing EVA and steel plate composite material

Technical Field

The utility model relates to the technical field of dies, in particular to a stamping die for processing an EVA and steel plate composite material.

Background

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

the existing EVA and screen plate composite material is formed by punch forming, so that the auxiliary processing needs to be carried out by a stamping die, but because the EVA material has good plasticity and high tensile strength, the shearing force of a concave-convex die is insufficient when the existing flat die is used for stamping, the product has burrs when the existing flat die is used for stamping production, the fracture zone of the product is large, the rusting is easy, and the quality of the finished product is low, so the utility model provides the stamping die for processing the EVA and steel plate composite material to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a stamping die for processing an EVA and steel plate composite material, in which a lower shear structure is added on the die and an upper shear structure is arranged on a punch for matching, so as to change the form of a conventional flat punch, increase the shear force of the punch during processing the material, make the cut material more flat, reduce the phenomena of burrs and iron leakage, and reduce the fraction defective.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a stamping die that EVA and steel sheet combined material processing used, includes the bottom plate, install the mould on the bottom plate, and be equipped with the drift directly over the mould, the top of drift is equipped with the connecting plate, and the below of connecting plate passes through coupling mechanism and is connected with the bottom plate, the below and the drift fixed connection of connecting plate, and the below of drift is equipped with down the punching press chamber on the mould, the top in punching press chamber is equipped with the punching press chamber on the drift down, and the both sides in punching press chamber all are equipped with down the cut structure on the mould down, the both sides of going up the punching press intracavity all are equipped with cut structure in the drift, and go up the position of cut structure and correspond with lower cut structure, protection machanism is installed to the below of punching press intracavity on the bottom plate down.

The further improvement lies in that: the protection mechanism comprises a connecting disc, a round hole is formed in the bottom plate above the connecting disc, a mounting ring is rotatably connected in the round hole through threads, the lower end of the mounting ring is fixedly connected with the connecting disc, a buffering cushion is arranged above the connecting disc, and the two sides below the buffering cushion are connected with the connecting disc through buffering assemblies.

The further improvement lies in that: coupling mechanism includes a plurality of spacing section of thick bamboo of group, a plurality of groups a plurality of angle departments of spacing section of thick bamboo evenly distributed on the bottom plate, sliding connection has the gag lever post on the spacing section of thick bamboo, and the upper end and the connecting plate of gag lever post are connected, the below of gag lever post is equipped with the positioning disk in the spacing section of thick bamboo, the below of positioning disk is passed through buffer spring and is connected with a spacing section of thick bamboo.

The further improvement lies in that: the punch is characterized in that a mounting groove is formed in the upper portion of the upper pressing cavity, a lower pressing plate is arranged below the mounting groove, the size of the lower pressing plate is smaller than that of the mounting groove, the upper portion of the lower pressing plate is connected with the mounting groove through a lower pressing spring, and multiple groups of lower pressing springs are evenly arranged on the lower pressing spring.

The further improvement lies in that: the buffer assembly comprises an elastic support cylinder, the cross section of the elastic support cylinder is oval, a buffer airbag is installed on the inner side of the elastic support cylinder, and the upper side and the lower side of the elastic support cylinder are connected with the cushion pad and the connecting disc through supports.

The further improvement lies in that: the bottom plate is provided with a plurality of connecting columns, each connecting column is provided with a plurality of groups, and each connecting column is provided with a threaded connecting hole.

The further improvement lies in that: the connecting plate is provided with air holes, and the air holes are uniformly provided with a plurality of groups.

The utility model has the beneficial effects that: this kind of stamping die that EVA and steel sheet combined material processing were used cooperates through adding the shearing structure down and being equipped with the shearing structure on the drift on the mould, changes the form of the flat drift of tradition, then adding man-hour to the material, increases the shearing force of drift, and make the material after the shearing level and more smooth, reduce burr and hourglass indisputable phenomenon, reduce the defective rate, in addition through the holding down plate that sets up and the cooperation of holding down the spring, the material of being convenient for breaks away from with the drift.

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, and 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 these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention.

Fig. 2 is an enlarged schematic view of part a of fig. 1 according to the present invention.

Fig. 3 is an enlarged view of part B of fig. 1 according to the present invention.

FIG. 4 is a schematic bottom view of the grid type ventilation slot of the present invention.

Wherein: 1. a base plate; 2. a mold; 3. a punch; 4. a connecting plate; 5. a lower shear structure; 6. an upper shear structure; 7. a connecting disc; 8. a circular hole; 9. a mounting ring; 10. a cushion pad; 11. a limiting cylinder; 12. a limiting rod; 13. positioning a plate; 14. a buffer spring; 15. mounting grooves; 16. a lower pressing plate; 17. pressing down the spring; 18. an elastic support cylinder; 19. a buffer airbag; 20. connecting columns; 21. air holes are formed; 22. and (4) grid type ventilation grooves.

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.

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," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying 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.

According to fig. 1, 2, 3 and 4, the embodiment provides a punching die for processing an EVA and steel plate composite material, which comprises a bottom plate 1, wherein a die 2 is installed on the bottom plate 1, a punch 3 is arranged right above the die 2, a connecting plate 4 is arranged above the punch 3, the lower part of the connecting plate 4 is connected with the bottom plate 1 through a connecting mechanism, the lower part of the connecting plate 4 is fixedly connected with the punch 3, a lower punching cavity is arranged below the punch 3 on the die 2, an upper punching cavity is arranged above the lower punching cavity on the punch 3, lower punching structures 5 are arranged on the die 2 on both sides of the lower punching cavity, upper shearing structures 6 are arranged in the punch 3 on both sides of the upper punching cavity, the upper shearing structures 6 correspond to the lower shearing structures 5 in position, and a protection mechanism is installed on the bottom plate 1 on the lower part of the lower punching cavity, the during operation, dash to mould 2 by drift 3, come to die-cut the material, simultaneously under last crop structure 6 and lower crop structure 5's cooperation, promote drift 3 to the shearing force of material, through adding crop structure 5 down and cooperating on drift 3 on mould 2, change the form of traditional flat drift, then add man-hour to the material, increase drift 3's shearing force, and make the material after cuting more level and smooth, reduce burr and hourglass iron phenomenon, reduce the defective rate.

Protection machanism includes connection pad 7, the top of connection pad 7 is equipped with round hole 8 on bottom plate 1, and is connected with collar 9 through the screw thread rotation in the round hole 8, the lower extreme and the connection pad 7 fixed connection of collar 9, and connection pad 7 top is equipped with blotter 10, the both sides of blotter 10 below all are connected with connection pad 7 through buffering subassembly, and the during operation is through the cooperation of buffering subassembly and blotter 10, is convenient for make the material when cuting, and its bottom can be inseparabler with 3 contacts of drift, promotes and cuts the effect.

Coupling mechanism includes a plurality of spacing section of thick bamboo 11 of group, a plurality of groups a plurality of angle departments of 11 evenly distributed on bottom plate 1 of spacing section of thick bamboo, sliding connection has gag lever post 12 on the spacing section of thick bamboo 11, and the upper end and the connecting plate 4 of gag lever post 12 are connected, the below of gag lever post 12 is equipped with positioning disk 13 in spacing section of thick bamboo 11, positioning disk 13's below is passed through buffer spring 14 and is connected with spacing section of thick bamboo 11.

The top of going up the pressure chamber is equipped with mounting groove 15 on drift 3, the below of mounting groove 15 is equipped with holding down plate 16, and holding down plate 16's size all is less than the size of mounting groove 15, holding down plate 16's top is connected with mounting groove 15 through holding down spring 17, and holds down spring 17 and evenly is equipped with the multiunit, and at the in-process of processing, through holding down plate 16 and the cooperation of holding down spring 17 that sets up, avoids the material to adhere to on drift 3, through the holding down plate 16 that sets up and the cooperation of holding down spring 17, is convenient for the material to break away from with drift 3.

The buffer assembly comprises an elastic support cylinder 18, the section of the elastic support cylinder 18 is oval, a buffer air bag 19 is arranged on the inner side of the elastic support cylinder 18, and the upper side and the lower side of the elastic support cylinder 18 are connected with the buffer pad 10 and the connecting disc 7 through supports.

Spliced pole 20 is all installed to the both sides of bottom plate 1 below, and every side spliced pole 20 all is equipped with the multiunit, be equipped with the threaded connection hole on the spliced pole 20.

The connecting disc 7 is provided with air holes 21, and the air holes 21 are uniformly provided with a plurality of groups.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stamping die of EVA and steel sheet combined material processing usefulness, includes bottom plate (1), its characterized in that: install mould (2) on bottom plate (1), and be equipped with drift (3) directly over mould (2), the top of drift (3) is equipped with connecting plate (4), and the below of connecting plate (4) is passed through coupling mechanism and is connected with bottom plate (1), the below and drift (3) fixed connection of connecting plate (4), and the below of drift (3) is equipped with down the punching pressure chamber on mould (2), the top in punching pressure chamber is equipped with the punching pressure chamber on drift (3) down, and the both sides in punching pressure chamber all are equipped with down cutting structure (5) on mould (2) down, the both sides in going up the punching pressure chamber all are equipped with in drift (3) and go up cutting structure (6), and the position of going up cutting structure (6) corresponds with cutting structure (5) down, protection machanism is installed on bottom plate (1) to the below in the punching pressure chamber down.

2. The stamping die for processing the EVA and steel plate composite material according to claim 1, wherein: protection machanism includes connection pad (7), the top of connection pad (7) is equipped with round hole (8) on bottom plate (1), and is connected with collar (9) through screw thread rotation in round hole (8), the lower extreme and connection pad (7) fixed connection of collar (9), and connection pad (7) top is equipped with blotter (10), both sides of blotter (10) below all are connected with connection pad (7) through the buffering subassembly.

3. The stamping die for processing the EVA and steel plate composite material according to claim 1, wherein: coupling mechanism includes a plurality of spacing section of thick bamboo (11) of group, a plurality of groups a plurality of angle departments of spacing section of thick bamboo (11) evenly distributed on bottom plate (1), sliding connection has gag lever post (12) on spacing section of thick bamboo (11), and the upper end and the connecting plate (4) of gag lever post (12) are connected, the below of gag lever post (12) is equipped with positioning disk (13) in spacing section of thick bamboo (11), buffer spring (14) are passed through to the below of positioning disk (13) and are connected with spacing section of thick bamboo (11).

4. The stamping die for processing the EVA and steel plate composite material according to claim 1, wherein: the punching die is characterized in that a mounting groove (15) is formed in the punch (3) above the upper punching cavity, a lower pressing plate (16) is arranged below the mounting groove (15), the size of the lower pressing plate (16) is smaller than that of the mounting groove (15), the upper portion of the lower pressing plate (16) is connected with the mounting groove (15) through a lower pressing spring (17), and multiple groups of lower pressing springs (17) are uniformly arranged.

5. The stamping die for processing the EVA and steel plate composite material according to claim 2, wherein: the buffer assembly comprises an elastic support cylinder (18), the cross section of the elastic support cylinder (18) is oval, a buffer airbag (19) is installed on the inner side of the elastic support cylinder (18), and the upper side and the lower side of the elastic support cylinder (18) are connected with the cushion (10) and the connecting disc (7) through supports.

6. The stamping die for processing the EVA and steel plate composite material according to claim 1, wherein: spliced pole (20) are all installed to bottom plate (1) both sides below, and every side spliced pole (20) all are equipped with the multiunit, be equipped with the threaded connection hole on spliced pole (20).

7. The stamping die for processing the EVA and steel plate composite material according to claim 2, wherein: the connecting disc (7) is provided with air holes (21), and the air holes (21) are uniformly provided with a plurality of groups.