Traceless rivet pressing die

Abstract

The utility model discloses a traceless rivet pressing die, which comprises a support frame, an upper pressing die assembly and a lower die holder, the lower die holder is arranged at the lower end in the support frame, the upper pressing die assembly is arranged at the upper end in the support frame, the upper pressing die assembly is matched with the lower die holder, the upper pressing die assembly comprises a pressing column and a pressing plate, and the pressing plate is matched with the pressing column. A universal ball is arranged at the lower end of the pressing column, a ball cup is arranged at the upper end of the pressing disc, the pressing disc is hinged to the pressing column through matching of the ball cup and the universal ball, a plurality of sets of hydraulic damping rods are hinged to the pressing column in a surrounding mode, and a plurality of sets of connecting pieces matched with the hydraulic damping rods are arranged on the pressing disc in a surrounding mode. And the hydraulic damping rods are respectively hinged with the connecting pieces. The utility model relates to the technical field of rivet pressing equipment, in particular to a traceless rivet pressing die which is good in rivet pressing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting equipment, in particular to a traceless riveting die. Background Art

[0002] Riveting is widely used in sheet metal processing, such as personal PCs, industrial computers, various household appliances, various machines, and various machinery.

[0003] A general riveting device includes an upper riveting head and a lower base for receiving the workpiece to be pressed. Since the parallelism of the product, the upper riveting die head and the lower die is very high, the adjustment of the riveting die before production, the parallelism during workpiece processing and the feeding during production are all required to be relatively high. The existing riveting die is prone to riveting marks during the production process, which is prone to produce unqualified products when producing some products with appearance requirements. Therefore, improvements need to be made to the existing problems. Utility Model Content

[0004] In view of the above situation, in order to overcome the current technical defects, the utility model provides a non-marking riveting die with good riveting effect. Through the setting of the die, the riveting effect of sheet metal rivets can be improved.

[0005] The technical scheme adopted by the utility model is as follows: the markless riveting die provided by the scheme comprises a supporting frame, an upper die assembly and a lower die seat, the lower die seat is arranged at the lower end of the inner part of the supporting frame, the upper die assembly is arranged at the upper end of the inner part of the supporting frame, the upper die assembly is adapted to the lower die seat, the upper die assembly comprises a pressure column and a pressure plate, a universal ball is arranged at the lower end of the pressure column, a ball head seat is arranged at the upper end of the pressure plate, the pressure plate is hingedly connected to the pressure column through the cooperation of the ball head seat and the universal ball, a plurality of groups of hydraulic shock absorbing rods are hingedly provided on the pressure column, a plurality of groups of connecting parts adapted to the hydraulic shock absorbing rods are arranged on the pressure plate, and the hydraulic shock absorbing rods are hingedly connected to the connecting parts respectively.

[0006] In order to facilitate the riveting of sheet metal parts, a pressure head is provided in the middle of the lower bottom wall of the pressure plate, and a plurality of groups of spring grooves are provided around the pressure plate. Springs are provided in the spring grooves, and a rubber anti-skid shock-absorbing plate is provided at the lower end of the spring. A slot hole is provided at the lower end of the rubber anti-skid shock-absorbing plate, and the slot hole is adapted to the pressure head.

[0007] Furthermore, a hydraulic cylinder is provided in the middle of the upper top wall of the support frame, and the output shaft of the hydraulic cylinder is connected to the pressure column.

[0008] Wherein, the lower die base is provided with a die groove matched with the pressing head.

[0009] In order to facilitate the cleaning of iron filings on the lower die base, a vacuum cleaner is provided on one side of the support frame. The vacuum cleaner is connected to a dust hood via a dust suction pipe, and the dust hood corresponds to the lower die base.

[0010] The beneficial effects achieved by the utility model using the above structure are as follows: The utility model has the advantages of a traceless riveting die:

[0011] 1. Through the cooperation of the universal ball and the ball head seat arranged between the pressure column and the pressure plate, parallel adjustment can be performed when the rivets are pressed. The pressure plate can be supported by the support of multiple groups of hydraulic shock-absorbing rods arranged between the pressure column and the pressure plate in a surrounding section;

[0012] 2. When the pressure head moves down to press the sheet metal, the rubber anti-slip shock-absorbing plate and the spring can be used to press and fix the sheet metal around the riveting to prevent loosening and prevent the pressure plate from causing indentations on the sheet metal surface;

[0013] 3. The vacuum cleaner can be used to vacuum the lower die base to prevent iron filings and other debris from adhering and damaging the surface of the sheet metal during riveting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the traceless riveting die of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the upper pressing die assembly of the traceless riveting die of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the assembly structure of the upper pressing die assembly of the markless riveting die.

[0018] Among them, 1. support frame, 2. upper die assembly, 3. lower die seat, 4. pressure column, 5. pressure plate, 6. universal ball, 7. die groove, 8. ball head seat, 9. hydraulic shock absorber rod, 10. connecting part, 11. pressure head, 12. spring groove, 13. spring, 14. rubber anti-slip shock absorber plate, 15. slot hole, 16. hydraulic cylinder, 17. vacuum cleaner, 18. dust suction pipe, 19. dust suction hood. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, the technical scheme adopted by the utility model is as follows: the markless riveting mold provided by the scheme includes a support frame 1, an upper die assembly 2 and a lower die seat 3, the lower die seat 3 is arranged at the lower end of the support frame 1, the upper die assembly 2 is arranged at the upper end of the support frame 1, the upper die assembly 2 is adapted to the lower die seat 3, the upper die assembly 2 includes a pressure column 4 and a pressure plate 5, a hydraulic cylinder 16 is provided in the middle of the upper top wall of the support frame 1, the output shaft of the hydraulic cylinder 16 is connected to the pressure column 4, a universal ball 6 is provided at the lower end of the pressure column 4, a ball head seat 8 is provided at the upper end of the pressure plate 5, the pressure plate 5 is hingedly connected to the pressure column 4 through the cooperation of the ball head seat 8 and the universal ball 6, a plurality of groups of hydraulic shock absorbing rods 9 are hingedly provided on the pressure column 4, a plurality of groups of connecting parts 10 adapted to the hydraulic shock absorbing rods 9 are provided on the pressure plate 5, and the hydraulic shock absorbing rods 9 are respectively hingedly connected to the connecting parts 10.

[0022] like Figure 3 As shown, a pressure head 11 is provided in the middle of the lower bottom wall of the pressure plate 5, a die groove 7 matched with the pressure head 11 is provided on the lower die base 3, a plurality of groups of spring grooves 12 are arranged around the pressure plate 5, a spring 13 is arranged in the spring groove 12, a rubber anti-skid shock absorbing plate 14 is provided at the lower end of the spring 13, a slot hole 15 is provided at the lower end of the rubber anti-skid shock absorbing plate 14, and the slot hole 15 is matched with the pressure head 11.

[0023] like Figure 1 As shown, a dust collector 17 is provided on one side of the support frame 1 , and the dust collector 17 is connected to a dust hood 19 through a dust suction pipe 18 , and the dust hood 19 corresponds to the lower mold base 3 .

[0024] When in use, the sheet metal is placed on the lower die seat 3, the rivet is inserted into the reserved hole of the sheet metal, the hydraulic cylinder 16 is started to drive the pressure column 4 to move downward, so that the pressure head 11 moves downward accordingly and cooperates with the die groove 7 to press the rivet. During the riveting process, the universal ball 6 and the ball head seat 8 arranged between the pressure column 4 and the pressure plate 5 can be used to make parallel adjustments when the rivet is pressed. The pressure plate 5 can be supported by the support of multiple groups of hydraulic shock absorbing rods 9 arranged between the pressure column 4 and the pressure plate 5. When the pressure head 11 moves downward to press the sheet metal, the rubber anti-skid shock absorbing plate 14 and the spring 13 can be used to press and fix the sheet metal around the riveting to prevent loosening and prevent the pressure plate 5 from causing indentations on the surface of the sheet metal.

[0025] The vacuum cleaner 17 can be used to vacuum the lower die base 3 to prevent debris such as iron filings from adhering to the lower die base 3 and damaging the surface of the sheet metal during riveting.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seamless riveting die, including a support frame, characterized in that: It also includes an upper die assembly and a lower die seat, the lower die seat is arranged at the lower end of the support frame, the upper die assembly is arranged at the upper end of the support frame, and the upper die assembly is adapted to the lower die seat: the upper die assembly includes a pressure column and a pressure plate, a universal ball is provided at the lower end of the pressure column, a ball head seat is provided at the upper end of the pressure plate, and the pressure plate is hingedly connected to the pressure column through the cooperation of the ball head seat and the universal ball.

2. The seamless riveting die according to claim 1, characterized in that: A plurality of groups of hydraulic shock absorbing rods are hingedly arranged on the pressure column, a plurality of groups of connecting pieces matched with the hydraulic shock absorbing rods are hingedly arranged on the pressure plate, and the hydraulic shock absorbing rods are respectively hingedly connected to the connecting pieces.

3. The seamless riveting die according to claim 2, characterized in that: A pressure head is provided in the middle of the lower bottom wall of the pressure plate, and a plurality of groups of spring grooves are provided around the pressure plate. Springs are provided in the spring grooves, and a rubber anti-skid shock-absorbing plate is provided at the lower end of the spring. A slot hole is provided at the lower end of the rubber anti-skid shock-absorbing plate, and the slot hole is adapted to the pressure head.

4. The seamless riveting die according to claim 3, characterized in that: A hydraulic cylinder is provided in the middle of the upper top wall of the support frame, and the output shaft of the hydraulic cylinder is connected to the pressure column.

5. The seamless riveting die according to claim 4, characterized in that: The lower die base is provided with a die groove matched with the pressing head.

6. The seamless riveting die according to claim 5, characterized in that: A vacuum cleaner is provided on one side of the support frame. The vacuum cleaner is connected to a dust hood via a dust suction pipe. The dust hood corresponds to the lower mold base.

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