CN210996090U

CN210996090U - Stamping riveting die, riveting structure and display equipment

Info

Publication number: CN210996090U
Application number: CN201921916493.8U
Authority: CN
Inventors: 胡涛
Original assignee: Huizhou Shenghua Industrial Co ltd
Current assignee: Huizhou Shenghua Industrial Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-14
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a punching press riveting die, riveted structure and display device, wherein, punching press riveting die is including the last module and the lower module of mutually supporting, it includes mold base and drift to go up the module, lower module includes that lower module has the first lower mold base of acceping the chamber, the setting is at the first supporting component who accepts intracavity elevating movement at first sliding block set and support sliding block set, and sliding block set includes the slider of two cooperation formation mounting grooves, the mounting groove corresponds the drift setting, sliding block set can support and treat the riveting piece, the mounting groove is used for acceping turn-ups and screw rod, the direction to mold base along lower mold base, the first cross-sectional area that accepts the chamber increases gradually. The utility model discloses can carry out the turn-up through the drift in the spiral shell lid to the screw post, accomplish the operation of treating the turn-ups of riveting piece and hugging closely the screw rod of double-screw bolt to can increase the torsion between double-screw bolt and the riveting hole, avoid appearing the double-screw bolt and drop and not hard up phenomenon.

Description

Stamping riveting die, riveting structure and display equipment

Technical Field

The utility model relates to a riveting die's technical field especially relates to a punching press riveting die, riveted structure and display device.

Background

At present, devices such as a back plate, a cover plate and a hanging rack of a television are riveted with a stud, the stud is directly punched into a riveting hole through a punch in the traditional stud riveting, and the riveting pressure is derived from the extrusion force between the lower end face of a stud head and the plane of the outer ring of the riveting hole, so that the torsion between the stud and the riveting hole is possibly not up to the standard, and the phenomenon that the stud falls off and becomes loose easily occurs in the transportation, turnover or use process of a product.

In view of the above, it is desirable to provide a punch riveting die, a riveting structure and a display device, which at least overcome or alleviate the above-mentioned drawbacks in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a punching press riveting die, riveted structure and display device aims at solving current double-screw bolt riveting mode and appears the double-screw bolt and drop, not hard up technical problem because of the torsion between double-screw bolt and the riveting hole is not up to standard easily.

In order to achieve the above object, the present invention provides a stamping riveting die, wherein the stamping riveting die is used for stamping a to-be-riveted piece and a stud, a screw of the stud is sleeved in a flange of the to-be-riveted piece, the stamping riveting die comprises an upper die assembly and a lower die assembly matched with the upper die assembly, the upper die assembly comprises an upper die base and a punch arranged on the upper die base, the lower die assembly comprises a lower die base, a slider assembly and a supporting assembly, the lower die base is provided with a first accommodating cavity, the slider assembly is arranged in the first accommodating cavity, the supporting assembly is used for supporting the slider assembly to perform lifting movement in the first accommodating cavity, the slider assembly comprises two sliders matched to form an installation groove, the installation groove corresponds to the punch arrangement, the slider assembly is used for supporting the to-be-riveted piece, the mounting groove is used for accommodating the flanging and the screw rod, the cross sectional area of the first accommodating cavity is gradually increased along the direction from the lower die base to the upper die base, and the punch is used for punching the screw cap curling edge of the stud and pushing the sliding block assembly to move towards the supporting assembly so as to enable the two sliding blocks to be close to push the flanging to be tightly held with the screw rod.

Preferably, the inner wall surfaces of the two sliders are matched to form the mounting groove, the top surface of each slider is used for supporting a to-be-riveted piece, the bottom surface of each slider is abutted to the supporting component, the outer wall surface of each slider, which is arranged opposite to the inner wall surface, is abutted to the lower die base, and the outer wall surface extends from the bottom surface to the direction away from the central axis of the mounting groove along the direction from the lower die base to the upper die base.

Preferably, the slider includes the slider body and certainly the slider body is to keeping away from the oblique plug-in body of the direction protrusion setting of mounting groove, first accept the chamber be formed with oblique plug-in body sliding fit's spout.

Preferably, the inclined insertion body comprises an inclined insertion body arranged on the sliding block body and a guide block arranged on the inclined insertion body, the guide block is protruded out of the inclined insertion body along the direction from the lower die base to the upper die base, the height of the inclined insertion body is gradually reduced, and the guide block is far away from a guide abutting surface of the installation groove and is parallel to the central axis of the installation groove.

Preferably, the lower die base comprises a fixed base and two sliding seats arranged in the fixed base, and the two sliding seats are matched to form the first accommodating cavity.

Preferably, a second accommodating cavity for accommodating the supporting assembly is formed in the fixing base, the supporting assembly comprises an elastic piece and a push rod, the elastic piece and the push rod are arranged in the second accommodating cavity, one end of the push rod is abutted to the sliding block assembly, and the other end of the push rod is connected with the elastic piece.

Preferably, the ejector rod comprises an ejector rod body and a limiting boss, the ejector rod body is abutted to the sliding block, the limiting boss is connected with the ejector rod body, a limiting step is arranged on the inner wall of the second accommodating cavity, one end, deviating from the ejector rod body, of the limiting boss is connected with the elastic piece, and the limiting step is connected with one end, connected with the ejector rod body, of the limiting boss in a clamping mode.

Preferably, the punch is provided with a punching groove corresponding to the center of the slider assembly, and the punching groove is used for punching the screw cap of the stud for curling.

Furthermore, according to another aspect of the utility model provides a riveted structure of punching press riveting die preparation according to above, wherein, riveted structure includes treat the riveting and with treat the riveting the double-screw bolt, treat the riveting including the mounting panel that has the riveting hole and around the turn-ups of riveting hole protrusion setting, the double-screw bolt is including the screw rod and the spiral shell lid that are connected, the spiral shell lid with mounting panel turn-up butt, the screw rod runs through the riveting hole, and with the turn-ups is held tightly.

According to the utility model discloses a still another aspect, still provide a display device, wherein, display device includes according to above the riveted structure that punching press riveting die made.

In the technical scheme of the utility model, because the lower die component of the provided punching riveting die comprises a lower die base with a first containing cavity, a slide block component arranged in the first containing cavity and a support component for supporting the slide block component to move up and down in the first containing cavity, and the slide block component comprises two sliders which are matched to form a mounting groove, the mounting groove is arranged corresponding to a punch, the slide block component can support a piece to be riveted, the mounting groove is used for containing a flanging and a screw rod sleeved in the flanging, the cross-sectional area of the first containing cavity is gradually increased along the direction from the lower die base to the upper die base, namely, when the support component supports the slide block component at the highest position in the first containing cavity, the gap between the two sliders is the largest, the caliber of the mounting groove is the largest, the piece to be riveted is placed on the slide block component, and the flanging of the piece to be riveted and the screw rod, then the drift is when carrying out the punching press turn-up to the spiral shell lid of stud, treats that riveting piece and double-screw bolt follow slider assembly towards the direction motion of supporting component together to make the clearance between two sliders reduce gradually, two sliders draw close inwards gradually, in order to treat the turn-ups of riveting piece and carry out the throat operation and hug closely the screw rod, thereby can increase the torsion between double-screw bolt and the riveting hole, avoid appearing the double-screw bolt and drop and not hard up phenomenon.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 view of a cross-sectional structure of a stamping riveting die, a to-be-riveted part, and a stud in a non-stamping state according to an embodiment of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the stamping riveting die, a to-be-riveted member, and a stud in a stamping state according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

fig. 5 is a schematic perspective view of a slider according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a slide carriage according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a stud according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a riveted joint structure according to an embodiment of the present invention.

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

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Upper die assembly	11	Upper die base
111	Fourth base	112	Fifth base
				12	Punch head	121	Punching groove
13	Guide post	14	Upper limiting column
				2	Lower die component	21	Lower die base
211	Fixed base	212	Sliding seat
				213	First accommodating cavity	214	Second containing cavity
215	Limiting step	216	Lower limiting column
				217	First base	218	Second base
219	Third base	22	Sliding block
				221	Sliding block body	222	Oblique inserting body
223	Guide block	224	Mounting groove
				225	Inner wall surface	226	Outer wall surface
227	Sliding chute	228	Inclined insert body
				23	Support assembly	231	Elastic piece
232	Top rod	234	Ejector rod body
				235	Spacing boss	4	To-be-riveted part
41	Mounting plate	42	Flanging
				5	Stud bolt	51	Screw cap
52	Screw rod	53	Flower tooth

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, 2 and 4, the present invention provides a punching riveting die, wherein the punching riveting die is used for punching a to-be-riveted member 4 and a stud 5, a screw 52 of the stud 5 is sleeved in a flange 42 of the to-be-riveted member 4, the punching riveting die comprises an upper die assembly 1 and a lower die assembly 2 matched with the upper die assembly 1, the upper die assembly 1 comprises an upper die base 11 and a punch 12 arranged on the upper die base 11, the lower die assembly 2 comprises a lower die base 21, a slider assembly (not labeled) and a supporting assembly 23, the lower die base 21 has a first accommodating cavity 213, the slider assembly is arranged in the first accommodating cavity 213, the supporting assembly 23 is used for supporting the slider assembly to perform a lifting motion in the first accommodating cavity 213, the slider assembly comprises two sliders 22 matched to form a mounting groove 224, the mounting groove 224 is arranged corresponding to the punch 12, the slider assembly is used for supporting the to-be-riveted member, the mounting groove 224 is used for accommodating the flanging 42 and the screw rod 52, the cross-sectional area of the first accommodating cavity 213 is gradually increased along the direction from the lower die base 21 to the upper die base 11, and the punch 12 is used for punching the flanging of the screw cap 51 of the stud 5 and pushing the slider assembly to move towards the supporting assembly 23, so that the two sliders 22 are close to push the flanging 42 to be tightly held with the screw rod 52.

In the technical solution of the present invention, since the lower mold component 2 of the stamping and riveting mold comprises the lower mold base 21 having the first receiving cavity 213, the slider component disposed in the first receiving cavity 213 and the supporting component 23 supporting the slider component to move up and down in the first receiving cavity 213, and the slider component comprises two sliders 22 cooperating to form the mounting groove 224, the mounting groove 224 is disposed corresponding to the punch 12, the slider component can support the to-be-riveted member 4, the mounting groove 224 is used to receive the flange 42 and the screw 52 sleeved in the flange 42, the cross-sectional area of the first receiving cavity 213 is gradually increased along the direction from the lower mold base 21 to the upper mold base 11, that is, when the supporting component 23 supports the slider component at the highest position in the first receiving cavity 213, the gap between the two sliders 22 is the largest, the caliber of the mounting groove 224 is the largest, the to-be-riveted member 4 is placed on the slider component, the flanging 42 of the to-be-riveted part 4 and the screw rod 52 sleeved in the flanging 42 are accommodated in the installation groove 224, then the punch 12 punches and crimps the screw cap 51 of the screw column 5, and simultaneously the to-be-riveted part 4 and the screw column 5 move along with the sliding block assembly towards the supporting assembly 23, so that the gap between the two sliding blocks 22 is gradually reduced, the two sliding blocks 22 draw close inwards to perform necking operation on the flanging 42 of the to-be-riveted part 4 and clasp the screw rod 52, thereby the torsion between the screw column 5 and the to-be-riveted part 4 can be increased, and the phenomenon that the screw column 5 falls off and becomes loose is avoided.

In an embodiment, referring to fig. 5 and 6, the inner wall surfaces 225 of the two sliders 22 cooperate to form a mounting groove 224, the top surface of the slider 22 is used for supporting the to-be-riveted member 4, the bottom surface of the slider 22 abuts against the support component 23, an outer wall surface 226 of the slider 22 arranged opposite to the inner wall surface 225 abuts against the lower mold base 21, and the outer wall surface 226 extends from the bottom surface in a direction away from the central axis of the mounting groove 224 in the direction from the lower mold base 21 to the upper mold base 11. That is, the outer wall surface 226 of the slider 22 is a slope surface that fits into the first receiving cavity 213 of the lower mold base 21, and the slope angle of the slope surface is inclined from the bottom surface of the slider 22 in a direction away from the center axis of the mounting groove 224. When the punch 12 drives the sliding blocks 22 to move towards the direction close to the supporting component 23, the gap between the two sliding blocks 22 is gradually reduced, so that the two sliding blocks 22 are gradually drawn together inwards until the sliding blocks 22 move to the lowest position to complete the necking operation, and the minimum gap between the two sliding blocks 22 can be 0.1mm, so that the phenomenon of locking of the sliding block components is prevented.

Specifically, the slider 22 includes a slider body 221 and an inclined insertion body 222 protruding from the slider body 221 in a direction away from the mounting groove 224, and the first receiving cavity 213 is formed with a sliding groove 227 slidably engaged with the inclined insertion body 222. The inclined insertion body 222 includes two inclined insertion side surfaces opposite to each other and an inclined insertion abutting surface connecting the two inclined insertion side surfaces, the inclined insertion side surfaces are connected to the slider body 221, and the inclined insertion abutting surfaces extend from the bottom surface in a direction away from the central axis of the mounting groove 224 in the direction from the lower die base 21 to the upper die base 11. That is, the slider body 221 is provided with the inclined insertion body 222 to be engaged with the sliding groove 227 formed in the first receiving cavity 213, so that the smoothness of the lifting movement of the slider 22 can be improved.

Meanwhile, the inclined insert 222 includes an inclined insert body 228 provided on the slider body 221, and a guide block 223 provided on the inclined insert body 228, wherein the height of the guide block 223 protruding from the inclined insert body 228 is gradually reduced along the direction from the lower mold base 21 to the upper mold base 11, and a guide abutment surface of the guide block 223 away from the mounting groove 224 is parallel to the central axis of the mounting groove 224. The guide block 223 is provided to facilitate the rapid and convenient mounting of the slider 22 on the lower mold base 21.

Further, the lower die base 21 includes a fixed base 211, and two sliders 212 provided in the fixed base 211, the two sliders 212 cooperating to form a first receiving cavity 213. The slider 212 may be secured within the fixed base 211 with threaded fasteners. The split design of the two sliding seats 212 is beneficial to production and maintenance, and parts can be quickly replaced without a punch.

Further, referring to fig. 1 to 3, a second receiving cavity 214 for receiving the supporting assembly 23 is formed in the fixing base 211, the supporting assembly 23 includes an elastic member 231 and a top rod 232 disposed in the second receiving cavity 214, one end of the top rod 232 abuts against the slider assembly, and the other end of the top rod 232 is connected to the elastic member 231. More specifically, the ejector rod 232 comprises an ejector rod body 234 abutted to the sliding block 22 and a limiting boss 235 connected to the ejector rod body 234, a limiting step 215 is arranged on the inner wall of the second accommodating cavity 214, one end, deviating from the ejector rod body 234, of the limiting boss 235 is connected to the elastic piece 231, and one end, connected to the ejector rod body 234, of the limiting step 215 is used for being clamped to the limiting boss 235 so as to limit the movement of the ejector rod 232. Elastic component 231 can be the flat wire spring, and can fix its one end on the diapire that the chamber 214 was acceptd to the second through the stop bolt, the other end and the ejector pin 232 of elastic component 231 are connected, so that the flat wire spring normally supports the slider assembly on ejector pin 232 and the ejector pin 232, when treating riveting piece 4 and double-screw bolt 5 on the slider assembly, the slider assembly is in the highest position, the clearance between two sliders 22 is the biggest, drift 12 is at the in-process of punching press double-screw bolt 5, drive slider assembly downstream and compress the flat wire spring, so that the slider assembly moves to the minimum, spacing boss 235 on the ejector pin 232 and spacing step 215 butt, the clearance between two sliders 22 is the minimum. After the punch 12 finishes punching, the punch 12 moves towards the direction far away from the lower die base 21, the slider assembly is free from the limit of the punch 12, and the flat wire spring extends to reset the slider assembly to the highest position.

In addition, the number of the supporting components 23 may be two, and the fixing base 211 is provided with two corresponding first receiving cavities 213, so that the two supporting components 23 can support the two sliders 22 respectively.

Meanwhile, referring to fig. 1, 2, 4 and 7, the punch 12 is provided with a punching groove 121 corresponding to the center of the slider assembly, and the punching groove 121 is used for punching the screw cap 51 of the stud 5 for hemming. The height of the punching groove 121 is smaller than that of the screw cap 51, and the diameter of the punching groove 121 is larger than that of the screw cap 51, so that the screw cap 51 can be crimped to abut against the to-be-riveted member 4 by the punch 12 during punching.

In an embodiment, the fixed base 211 includes a first base 217, a second base 218, and a third base 219 sequentially stacked from bottom to top, the third base 219 defines a third receiving cavity for receiving the sliding seat 212, the first base 217 and the second base 218 form a second receiving cavity 214, and the limiting step 215 is formed between the first base 217 and the second base 218. The upper die base 11 includes a fourth base 111 and a fifth base 112 stacked in sequence from top to bottom, and the punch 12 is disposed on the fourth base 111 through the fifth base 112.

Furthermore, the upper die assembly 1 further includes a guide post 13 disposed on the upper die base 11, and a guide groove (not shown) matched with the guide post 13 is formed on the fixing base 211 to ensure the accuracy of the punching position.

More specifically, the upper die assembly 1 further includes an upper limit post 14 provided on the upper die base 11, and a lower limit post 216 is provided on the fixed base 211 corresponding to the upper limit post 14 so as to be able to limit the movement stroke of the punch 12.

Furthermore, referring to fig. 1, fig. 2, fig. 7 and fig. 8, according to another aspect of the present invention, there is provided a riveting structure prepared by the above-mentioned stamping riveting die, wherein the riveting structure includes a stud 5 waiting for riveting piece 4 and riveting die and waiting for riveting piece 4, the stud 4 waiting for riveting piece 4 includes a mounting plate 41 having a riveting hole and a flange 42 protruding from the setting around the riveting hole, the stud 5 includes a screw 52 and a screw cap 51 connected, the screw cap 51 is in edge-curling abutment with the mounting plate 41, the screw 52 penetrates through the riveting hole and is clasped with the flange 42. Fig. 7 shows a riveting structure applied to a tv rack, and the riveting structure can also be applied to a back plate and a core bracket of a tv. Since the riveting structure adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.

Specifically, the screw 52 is provided with a spline 53 at a position abutting against the flange 42, so that when the flange 42 of the to-be-riveted part 4 is reduced, the spline 53 can be pressed into the flange 42 of the to-be-riveted part 4 and clasped, thereby achieving an effect that the stud 5 cannot easily fall off. Meanwhile, the root of the screw 52 can be designed with a tool withdrawal groove, and the part between the flower tooth 53 and the tool withdrawal groove can be provided with an anti-falling inclined surface.

According to the utility model discloses a still another aspect, still provide a display device, wherein, display device includes according to above the riveted structure that punching press riveting die made. Since the display device adopts all technical solutions of the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a punching press riveting die, its characterized in that, punching press riveting die is used for the punching press to treat riveting piece and double-screw bolt, the screw rod cover of double-screw bolt is located treat in the turn-ups of riveting piece, punching press riveting die includes:

the upper die assembly comprises an upper die base and a punch arranged on the upper die base;

a lower die component matched with the upper die component, the lower die component comprises a lower die base, a sliding block component and a supporting component, the lower die base is provided with a first accommodating cavity, the sliding block component is arranged in the first accommodating cavity, the supporting component is used for supporting the sliding block component to perform lifting motion in the first accommodating cavity, the sliding block component comprises two sliding blocks which are matched to form a mounting groove, the mounting groove is arranged corresponding to the punch head, the slide block component is used for supporting the to-be-riveted piece, the mounting groove is used for accommodating the flanging and the screw rod, and the direction from the lower die base to the upper die base is along, the cross sectional area of the first accommodating cavity is gradually increased, and the punch is used for punching the screw cap curled edge of the stud and pushing the sliding block assembly to move towards the supporting assembly, so that the two sliding blocks are close to push the flanged edge to be tightly held with the screw.

2. The stamping riveting die according to claim 1, wherein the inner wall surfaces of the two sliders are matched to form the mounting groove, the top surfaces of the sliders are used for supporting a piece to be riveted, the bottom surfaces of the sliders are abutted to the supporting component, the outer wall surface of the slider, which is away from the inner wall surfaces, is abutted to the lower die base, and the outer wall surface extends from the bottom surface to the direction away from the central axis of the mounting groove along the direction from the lower die base to the upper die base.

3. The punching riveting die according to claim 1, wherein the slider comprises a slider body and an inclined insertion body protruding from the slider body in a direction away from the mounting groove, and the first accommodating cavity is formed with a sliding groove in sliding fit with the inclined insertion body.

4. The punching riveting die according to claim 3, wherein the inclined insertion body comprises an inclined insertion body arranged on the slider body and a guide block arranged on the inclined insertion body, the height of the guide block protruding out of the inclined insertion body is gradually reduced along the direction from the lower die base to the upper die base, and a guide abutting surface of the guide block, which is far away from the mounting groove, is parallel to the central axis of the mounting groove.

5. The punch riveting die of any one of claims 1-4, wherein the lower die base comprises a fixed base and two slides disposed within the fixed base, the two slides cooperating to form the first receiving cavity.

6. The punching riveting die of claim 5, wherein the fixed base is provided with a second accommodating cavity for accommodating the supporting component, the supporting component comprises an elastic member and a push rod arranged in the second accommodating cavity, one end of the push rod is abutted against the sliding block component, and the other end of the push rod is connected with the elastic member.

7. The punching riveting die of claim 6, wherein the ejector rod comprises an ejector rod body abutted against the sliding block and a limiting boss connected with the ejector rod body, a limiting step is arranged on the inner wall of the second accommodating cavity, one end of the limiting boss, which is far away from the ejector rod body, is connected with the elastic piece, and one end of the limiting step, which is connected with the ejector rod body, is clamped with the limiting boss.

8. The punching riveting die of any one of claims 1-4, wherein the punch is provided with a punching groove corresponding to the center of the slider assembly, and the punching groove is used for punching the screw cap of the stud for crimping.

9. A riveted structure prepared by the stamping riveting die according to any one of claims 1 to 8, wherein the riveted structure comprises the to-be-riveted piece and the stud riveted with the to-be-riveted piece, the to-be-riveted piece comprises a mounting plate with a riveting hole and a flanging convexly arranged around the riveting hole, the stud comprises a screw rod and a screw cap which are connected, the screw cap is abutted to the flanging edge of the mounting plate, and the screw rod penetrates through the riveting hole and is tightly clasped with the flanging.

10. A display device characterized in that it comprises a riveted structure made by a press riveting die according to any one of claims 1 to 8.