CN213064189U

CN213064189U - Multi-functional punching press copper riveted structure

Info

Publication number: CN213064189U
Application number: CN202021514251.9U
Authority: CN
Inventors: 葛杨波; 段星
Original assignee: Kunshan Weikenen Electronic Technology Co ltd
Current assignee: Kunshan Weikenen Electronic Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-27
Anticipated expiration: 2030-07-28

Abstract

A multifunctional stamping copper plate riveting structure comprises a first copper plate and a second copper plate arranged below the first copper plate, wherein a plurality of uniformly distributed through holes are formed in the first copper plate, and countersunk heads are arranged at the upper ends of the through holes; a plurality of uniformly distributed hollow cylinders are fixed on the upper end face of the second copper plate, the number of the hollow cylinders is the same as that of the through holes, and the positions of the hollow cylinders are in one-to-one correspondence; the hollow columns are arranged in the through holes in a one-to-one correspondence mode. The structure designed by the utility model has no protrusion after riveting, does not need rivet and riveting equipment, has higher precision, optimizes the original riveting process of the rivet into riveting of the material body, can complete the riveting work by using a punch press, and saves material cost, equipment cost and installation space; the riveting device can realize wiring at the riveting position, not only meets the wiring requirement, but also avoids the high cost of direct punching; the extrusion is in place, and the structure is stable.

Description

Multi-functional punching press copper riveted structure

Technical Field

The utility model relates to a riveted structure, concretely relates to multi-functional punching press copper riveted structure.

Background

The riveting technology in the stamping part product is extremely wide, the riveting technology between the traditional copper plate and the copper plate is mainly used for riveting by punching a hole and then riveting by rivets (as shown in figure 1), the riveting is needed due to the limitation of the structure, the number of field materials is large, the management cost is high, the riveting point is protruded, the limited installation space is occupied, the comprehensive cost is high, the riveting press and the rivets are needed to be added, the practical product application is limited by the space, and the requirement of the client function cannot be met.

Therefore, in order to improve the space short plate of the traditional riveting structure, a novel punched copper plate riveting structure with the publication number of CN209687863U is designed, the riveting point structural design of the two copper plates is optimized, the traditional rivet riveting scheme is not adopted, rivets are not needed, the precision is higher, the riveting points do not protrude after the structural optimization, a large amount of installation space is saved, and the applicability is better.

At present, according to design requirements, functions such as wiring and the like are required to be realized at a riveting position, if holes are directly punched on a current riveting structure, the position may be deformed, and the cost is relatively high; in order to ensure that the position structure is firm and does not protrude, and in order to realize functions of routing and the like of the position, a multifunctional stamping copper plate riveting structure is designed.

Disclosure of Invention

For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide a multi-functional punching press copper riveted structure.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: a multifunctional stamping copper plate riveting structure comprises a first copper plate and a second copper plate arranged below the first copper plate, wherein a plurality of uniformly distributed through holes are formed in the first copper plate, and countersunk heads are arranged at the upper ends of the through holes; a plurality of uniformly distributed hollow cylinders are fixed on the upper end face of the second copper plate, the number of the hollow cylinders is the same as that of the through holes, the positions of the hollow cylinders are in one-to-one correspondence, a plurality of uniformly distributed counter bores are formed in the lower end face of the second copper plate, the number of the counter bores is the same as that of the hollow cylinders, the positions of the counter bores are in one-to-one correspondence, and the counter bores are communicated with the inner cavities of the hollow cylinders; the hollow cylinders are arranged in the through holes in a one-to-one correspondence mode.

The preferable technical scheme is as follows: the lower end face of the countersunk head is arranged in a downward inclined mode.

The preferable technical scheme is as follows: the lower end face of the countersunk head has a downward inclination angle of 20-45 degrees.

The preferable technical scheme is as follows: the height of the countersunk head is 1/4-2/5 of the thickness of the first copper plate.

The preferable technical scheme is as follows: the height of the counter bore is 1/2-4/5 of the thickness of the second copper plate.

The preferable technical scheme is as follows: and under the condition that the first copper plate and the second copper plate are assembled, the upper end surface of the hollow column body is higher than the lower end surface of the countersunk head.

The preferable technical scheme is as follows: the center lines of the counter bores and the center lines of the hollow cylinders are correspondingly overlapped one by one.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the riveting structure designed by the utility model has no protrusion after riveting, does not need rivet and riveting equipment, has higher precision, optimizes the original riveting process of the rivet into riveting of the material body, can finish the riveting work by using a punch press, greatly saves the material cost, the equipment cost and the installation space, and simplifies the production flow; the riveting device can realize wiring at the riveting position, not only meets the wiring requirement, but also avoids the high cost of direct punching; and the extrusion is in place, and the structure is stable.

Drawings

Fig. 1 is a schematic view of a conventional riveting.

Fig. 2 is an assembly view of the present invention.

Fig. 3 is a schematic view of the present invention.

Fig. 4 is a front view of the first copper plate.

Fig. 5 is a top view of the first copper plate.

Fig. 6 is a front view of the second copper plate.

Fig. 7 is a top view of the second copper plate.

In the above drawings, a first copper plate 1, a second copper plate 2, a through hole 3, a sinking platform 4, a hollow cylinder 5, a counter bore 6, a male die 7 and a female die 8.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 7. It should be understood that 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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2 to 7, the multifunctional stamped copper plate riveting structure comprises a first copper plate 1 and a second copper plate 2 arranged below the first copper plate 1, wherein a plurality of uniformly distributed through holes 3 are formed in the first copper plate 1, and countersunk heads are arranged at the upper ends of the through holes 3; a plurality of uniformly distributed hollow cylinders 5 are fixed on the upper end face of the second copper plate 2, the number of the hollow cylinders 5 is the same as that of the through holes 3, the positions of the hollow cylinders are arranged in a one-to-one correspondence manner, a plurality of uniformly distributed counter bores 6 are arranged on the lower end face of the second copper plate 2, the number of the counter bores 6 is the same as that of the hollow cylinders 5, the positions of the counter bores 6 are arranged in a one-to-one correspondence manner, and the counter bores; the hollow cylinders 5 are correspondingly arranged in the through holes 3 one by one. The lower end surface of the countersunk head is arranged in a downward inclined way. The material at the upper end of the hollow column body 5 is dispersed into the countersunk head after being stressed and deformed, the inclined countersunk head structure can enable the material to be extruded downwards to form an umbrella shape, so that the structure is firmer, the structure also has an avoiding function, and a placing space is reserved for a binding line and the like.

According to background requirements, the hollow cylinder 5 is designed to realize wiring, but the effect is not good when the patent structure with the publication number of CN209687863U is adopted to be matched with the hollow cylinder 5 for extrusion riveting, and a part of materials are extruded to the inner cavity of the hollow cylinder 5, so that wiring space is reduced, and using functions are affected; also, since the force application direction of the punch 7 is downward, the material pressed to the chamfer direction is subjected to a component force, which tends to be pressed out of place, thereby making the caulking weak.

The principle is as follows: firstly, the first copper plate 1 and the second copper plate 2 are assembled (the hollow cylinders 5 on the second copper plate 2 are correspondingly clamped into the through holes 3 on the first copper plate 1 one by one), and the state is shown in fig. 2; then, a male die 7 is arranged above the first copper plate 1, a female die 8 is arranged below the second copper plate 2, as shown in fig. 3, the upper end of the female die 8 abuts against the counter bore 6, the male die 7 moves downwards to extrude the hollow cylinder 5, the first copper plate 1 is riveted with the second copper plate 2 after the hollow cylinder 5 deforms, the material on the upper end of the hollow cylinder 5 is exploded to the periphery and attached to the lower end face of the sinking platform 4 to form a circle of riveting points after the hollow cylinder 5 deforms under stress, the riveting points are fixed and do not protrude when the height of the hollow cylinder 5 is not larger than the thickness of the first copper plate 1, the riveting points can be prevented from protruding when the height is slightly larger than the thickness of the first copper plate 1, the specific height range can be obtained through calculation and limited experiments of.

The preferred embodiment is: as shown in fig. 4, the lower end face of the countersunk head is inclined downward at an angle of 20 to 45 °. The appropriate angle of inclination can be selected according to the parameters of the wall thickness, height, etc. of the hollow cylinder 5.

The preferred embodiment is: as shown in FIG. 4, the height of the countersunk head is 1/4 to 2/5 of the thickness of the first copper plate 1. The height of the countersunk head is 1/3 the thickness of the first copper plate 1, so that the strength of the first copper plate 1 is ensured.

The preferred embodiment is: as shown in FIG. 6, the height of the counter bore 6 is 1/2-4/5 of the thickness of the second copper plate 2. The strength of the second copper plate 2 is ensured.

The preferred embodiment is: as shown in fig. 2, in the state where the first copper plate 1 and the second copper plate 2 are completely assembled, the upper end surface of the hollow column 5 is higher than the lower end surface of the countersunk head. The quantity of the material entering the countersunk head after the hollow column body 5 is deformed by stress can be ensured to be sufficient, and the riveting firmness is ensured.

The preferred embodiment is: as shown in fig. 2, the center lines of the counterbores 6 and the center lines of the hollow cylinders 5 are overlapped in a one-to-one correspondence. The hollow cylinder 5 is uniformly stressed, so that the riveted structure has no inclination, and the product is beautiful and neat.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a multi-functional punching press copper riveted structure, includes first copper and sets up the second copper of first copper below, its characterized in that: a plurality of uniformly distributed through holes are formed in the first copper plate, and countersunk heads are arranged at the upper ends of the through holes; a plurality of uniformly distributed hollow cylinders are fixed on the upper end face of the second copper plate, the number of the hollow cylinders is the same as that of the through holes, the positions of the hollow cylinders are in one-to-one correspondence, a plurality of uniformly distributed counter bores are formed in the lower end face of the second copper plate, the number of the counter bores is the same as that of the hollow cylinders, the positions of the counter bores are in one-to-one correspondence, and the counter bores are communicated with the inner cavities of the hollow cylinders; the hollow cylinders are arranged in the through holes in a one-to-one correspondence mode.

2. The multifunctional stamped copper plate riveted structure according to claim 1, characterized in that: the lower end face of the countersunk head is arranged in a downward inclined mode.

3. The multifunctional stamped copper plate riveted structure according to claim 2, characterized in that: the lower end face of the countersunk head has a downward inclination angle of 20-45 degrees.

4. The multifunctional stamped copper plate riveted structure according to claim 1, characterized in that: the height of the countersunk head is 1/4-2/5 of the thickness of the first copper plate.

5. The multifunctional stamped copper plate riveted structure according to claim 1, characterized in that: the height of the counter bore is 1/2-4/5 of the thickness of the second copper plate.

6. The multifunctional stamped copper plate riveted structure according to claim 1, characterized in that: and under the condition that the first copper plate and the second copper plate are assembled, the upper end surface of the hollow column body is higher than the lower end surface of the countersunk head.

7. The multifunctional stamped copper plate riveted structure according to claim 1, characterized in that: the center lines of the counter bores and the center lines of the hollow cylinders are correspondingly overlapped one by one.