Self-piercing riveting device

Abstract

The utility model relates to the field of riveting, and provides a self-piercing riveting device which comprises a support. The lifting seat is adjustably arranged on the support in the height direction of the support; the rotating seat is rotatably connected with the lifting seat; the first locking assembly is connected with the lifting seat and the rotating seat and is used for locking the rotating seat on the lifting seat or unlocking the rotating seat; and the riveting assembly is arranged on the rotating base, and the riveting assembly is used for driving the rivet to conduct riveting. The position of the riveting assembly in the vertical direction can be adjusted by adjusting the position of the lifting base in the height direction, and after the rotating base is unlocked through the first locking assembly, the angle of the riveting assembly can be adjusted by rotating the rotating base. By adjusting the height and the angle of the riveting assembly, the riveting assembly can meet the requirement for more-angle riveting operation, and the problem that in the prior art, the riveting angle of a self-piercing riveting device is usually fixed, and riveting operation at different angles cannot be met is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting, in particular to a self-piercing riveting device. Background Art

[0002] With the increasing requirements of modern industry, especially the automobile manufacturing industry, for lightweight and structural strength, self-piercing riveting (SPR) technology, as an efficient and non-welding pollution connection technology, has been widely used in the connection of structural parts of various materials such as aluminum alloy and high-strength steel. Self-piercing riveting technology uses special rivets and riveting tools to penetrate the top sheet through impact and extrusion without pre-punching, and firmly fix the rivet on the lower sheet to form a solid connection.

[0003] However, in practical applications, especially in the assembly process of complex three-dimensional structural parts of automobile bodies, different component connection positions may require riveting operations at different angles. The existing self-piercing riveting devices usually have fixed riveting angles and cannot meet the requirements of riveting operations at different angles. Different tooling is often required to position and fix the assembled parts, resulting in high costs.

[0004] Therefore, providing a self-piercing riveting device that can meet riveting operations at different angles is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The utility model provides a self-piercing riveting device, which is used to solve the defect that the riveting angle of the self-piercing riveting device in the prior art is usually fixed and cannot meet the riveting operation of different angles.

[0006] In one aspect, the utility model provides a self-piercing riveting device, comprising:

[0007] Support;

[0008] A lifting seat, wherein the lifting seat is arranged on the support in an adjustable position along the height direction of the support;

[0009] A rotating seat, the rotating seat is rotatably connected to the lifting seat;

[0010] A first locking assembly, the first locking assembly is connected to the lifting seat and the rotating seat, and is used to lock the rotating seat to the lifting seat or unlock the rotating seat;

[0011] A riveting assembly is arranged on the rotating seat and is used to drive rivets for riveting.

[0012] According to a self-piercing riveting device provided by the utility model, the first locking assembly includes a first pressing member;

[0013] The rotating seat is rotatably connected to the lifting seat via a first connecting shaft, and the first pressing member is connected to the first connecting shaft and is used to press or loosen the rotating seat and the lifting seat.

[0014] According to a self-piercing riveting device provided by the utility model, it also includes a mounting seat and a second locking assembly, the mounting seat is rotatably connected to the rotating seat, and the rotation axis of the mounting seat is perpendicular to or skewed with the rotation axis of the rotating seat, and the riveting assembly is connected to the mounting seat;

[0015] The second locking assembly connects the mounting seat and the rotating seat, and the second locking assembly is used to lock the mounting seat to the rotating seat or unlock the mounting seat.

[0016] According to a self-piercing riveting device provided by the utility model, a fixed plate is arranged on the rotating seat, the second locking assembly includes a second clamping piece, the mounting seat is rotatably connected to the fixed plate via a second connecting shaft, the second clamping piece is connected to the second connecting shaft, and the second clamping piece is used to clamp or loosen the mounting seat and the fixed plate.

[0017] According to a self-piercing riveting device provided by the utility model, the second pressing member includes an eccentric wheel rotatably connected to the second connecting shaft;

[0018] Alternatively, the second pressing member includes a fixing nut threadably connected to the second connecting shaft.

[0019] According to a self-piercing riveting device provided by the utility model, a first toothed disc is arranged on one side of the fixing plate close to the mounting seat, and a second toothed disc meshing with the first toothed disc is arranged on the mounting seat.

[0020] According to a self-piercing riveting device provided by the utility model, the fixing plates are arranged as a pair, and the mounting seat extends between the pair of fixing plates.

[0021] According to a self-piercing riveting device provided by the utility model, a groove is provided on the mounting seat, and the riveting assembly comprises a riveting machine and a mold, and the riveting machine and the mold are respectively connected to two sides of the groove.

[0022] According to a self-piercing riveting device provided by the utility model, a moving mechanism is arranged at the bottom of the support.

[0023] According to a self-piercing riveting device provided by the utility model, a guide structure and a rotatable lead screw are provided on the support, and the lifting seat is slidably matched with the guide structure and is threadedly connected with the lead screw.

[0024] The self-piercing riveting device provided by the utility model sets the riveting assembly on the rotating seat, the rotating seat is rotatably set on the lifting seat, the lifting seat is adjustably set on the support along the height direction, and the first locking assembly is used to lock or unlock the rotating seat. During use, the position of the lifting seat can be adjusted in the vertical direction by adjusting the position of the lifting seat along the height direction. After the rotating seat is unlocked by the first locking assembly, the rotating seat can be rotated to adjust the angle of the riveting assembly.

[0025] By adjusting the height and angle of the riveting assembly, the riveting assembly can meet the requirements of riveting operations at more angles, solving the problem that the riveting angle of the self-piercing riveting device in the prior art is usually fixed and cannot meet the requirements of riveting operations at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 It is a structural schematic diagram of a self-piercing riveting device provided by an embodiment of the utility model;

[0028] Figure 2 It is a schematic diagram of the connection structure between the mounting seat and the rotating seat provided in an embodiment of the utility model;

[0029] Figure 3 It is a structural schematic diagram of the connection between the rotating seat and the lifting seat provided in an embodiment of the utility model.

[0030] Reference numerals:

[0031] 1. Support; 2. Lifting seat; 3. Rotating seat; 301. Fixed plate; 4. Riveting assembly; 401. Riveting machine; 402. Mold; 5. First connecting shaft; 6. First clamping piece; 7. Mounting seat; 701. Groove; 8. Second connecting shaft; 9. Second clamping piece; 10. First toothed disc; 11. Second toothed disc. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Combine the following Figure 1-Figure 3 The self-piercing riveting device provided in the embodiment of the utility model is described.

[0034] Specifically, the self-piercing riveting device includes a support 1, a lifting seat 2, a rotating seat 3, a first locking assembly and a riveting assembly 4.

[0035] The lifting seat 2 is adjustable on the support 1 along the height direction of the support 1. For example, the height direction of the support 1 refers to the height of the support 1 in the following manner: Figure 1 When placed in the posture shown, the vertical direction in the figure.

[0036] The rotating seat 3 is rotatably connected to the lifting seat 2. Optionally, the rotating axis of the rotating seat 3 is perpendicular to the moving path direction of the lifting seat 2.

[0037] The first locking assembly connects the lifting seat 2 and the rotating seat 3, and is used to lock the rotating seat 3 to the lifting seat 2 or unlock the rotating seat 3. When the first locking assembly locks the rotating seat 3 to the lifting seat 2, the rotating seat 3 is fixed relative to the lifting seat 2, and when the first locking assembly unlocks the rotating seat 3, the rotating seat 3 can rotate relative to the lifting seat 2.

[0038] The riveting assembly 4 is arranged on the rotating seat 3, and the riveting assembly 4 is used to drive the rivet to perform riveting, that is, the riveting assembly 4 is used to drive the rivet to pass through the top layer plate and firmly fix the rivet on the lower layer plate to form a strong connection.

[0039] The self-piercing riveting device provided in the embodiment of the utility model is provided with a riveting assembly 4 on a rotating seat 3, the rotating seat 3 is rotatably provided on a lifting seat 2, the lifting seat 2 is adjustable in height direction on a support 1, and a first locking assembly is used to lock or unlock the rotating seat 3. During use, the position of the lifting seat 2 can be adjusted in the vertical direction by adjusting the position of the lifting seat 2 in the height direction, and after the rotating seat 3 is unlocked by the first locking assembly, the rotating seat 3 is rotated to adjust the angle of the riveting assembly 4.

[0040] By adjusting the height and angle of the riveting assembly 4, the riveting assembly 4 can meet the requirements of riveting operations at more angles, thereby solving the problem that the riveting angle of the self-piercing riveting device in the prior art is usually fixed and cannot meet the requirements of riveting operations at different angles.

[0041] refer to Figure 1-Figure 3 As shown, in some embodiments provided by the utility model, the self-piercing riveting device further includes a mounting seat 7 and a second locking assembly. The mounting seat 7 is rotatably connected to the rotating seat 3, and the rotation axis of the mounting seat 7 is perpendicular to or skewed with the rotation axis of the rotating seat 3, and the riveting assembly 4 is connected to the mounting seat 7.

[0042] The second locking assembly connects the mounting seat 7 and the rotating seat 3 , and is used to lock the mounting seat 7 to the rotating seat 3 or unlock the mounting seat 7 .

[0043] In this embodiment, by providing a mounting seat 7 rotatably connected to the rotating seat 3 and arranging the riveting assembly 4 on the mounting seat 7, the rotational freedom of the riveting assembly 4 can be increased, so that the riveting assembly 4 can form a more complex angle, thereby realizing riveting operations at more angles. Figure 3 As shown, in the posture shown in the figure, the rotation axis of the mounting seat 7 is arranged horizontally, and the mounting seat 7 can swing in the vertical direction. Figure 3 On the basis of the posture shown, the rotating seat 3 is rotated by a certain angle, and an angle is generated between the rotation axis of the mounting seat 7 and the horizontal plane. At this time, rotating the mounting seat 7 can enable the riveting assembly 4 to form a more complex spatial angle.

[0044] In some embodiments provided by the utility model, a fixed plate 301 is provided on the rotating seat 3, and the second locking assembly includes a second pressing member 9. The mounting seat 7 is rotatably connected to the fixed plate 301 through a second connecting shaft 8, for example, the second connecting shaft 8 passes through the fixed plate 301 and the mounting seat 7. The second pressing member 9 is connected to the second connecting shaft 8, and the second pressing member 9 is used to press or loosen the mounting seat 7 and the fixed plate 301.

[0045] In this embodiment, when the second pressing member 9 presses the mounting seat 7 and the fixing plate 301, the mounting seat 7 is fixed relative to the fixing plate 301 and the mounting seat 7 is locked; when the second pressing member 9 releases the mounting seat 7 and the fixing plate 301, the mounting seat 7 can rotate relative to the fixing plate 301 and the mounting seat 7 is unlocked. In this way, the second pressing member 9 has a simple structure and is easy to operate.

[0046] In some embodiments provided by the present invention, the second pressing member 9 includes an eccentric wheel rotatably connected to the second connecting shaft 8. For example, the rotation axis of the eccentric wheel is perpendicular to the axis of the second connecting shaft 8. During use, by rotating the eccentric wheel, based on the eccentric characteristics of the eccentric wheel, the eccentric wheel can press or loosen the mounting seat 7 and the fixing plate 301. In this way, the mounting seat 7 can be locked or unlocked by rotating the eccentric wheel without the aid of special tools, and the operation is more convenient and quick.

[0047] Of course, the second pressing member 9 is not limited to the eccentric wheel. For example, in other embodiments provided by the present invention, the second pressing member 9 includes a fixing nut threadedly connected to the second connecting shaft 8. During use, the fixing nut is screwed to tighten or loosen the mounting seat 7 and the fixing plate 301. This arrangement enables the second pressing member 9 to have better anti-loosening performance.

[0048] refer to Figure 2 As shown, in some embodiments provided by the utility model, a first toothed disc 10 is provided on one side of the fixing plate 301 close to the mounting seat 7, and a second toothed disc 11 meshing with the first toothed disc 10 is provided on the mounting seat 7. During use, when the angle of the mounting seat 7 needs to be adjusted, the mounting seat 7 can be unlocked, and then the first toothed disc 10 and the second toothed disc 11 are disengaged, the angle of the mounting seat 7 is adjusted, and then the first toothed disc 10 and the second toothed disc 11 are engaged, and finally the mounting seat 7 is locked.

[0049] In this embodiment, through the meshing action of the first toothed disc 10 of the mounting seat 7 and the second toothed disc 11 of the fixing plate 301, a limit can be formed between the mounting seat 7 and the fixing plate 301 to prevent the mounting seat 7 from rotating relative to the fixing plate 301 in the locked state, thereby improving the stability of the mounting seat 7.

[0050] refer to Figure 2 As shown, the fixing plates 301 are arranged in a pair, the mounting seat 7 extends between the pair of fixing plates 301, the second connecting shaft 8 passes through the mounting seat 7 and the pair of fixing plates 301, and the second pressing member 9 is arranged on the outside of any one of the fixing plates 301. In this arrangement, the mounting seat 7 is supported by two fixing plates 301, which can form a better supporting effect on the mounting seat 7 and improve the stability of the mounting seat 7.

[0051] Optionally, both fixing plates 301 are fixedly arranged, and the fixing plates 301 are elastically deformed by the pressing action of the second pressing member 9 to press the mounting seat 7. Alternatively, at least one fixing plate 301 is rotatably arranged, and the pair of fixing plates 301 are pressed against the mounting seat 7 by the pressing action of the second pressing member 9.

[0052] refer to Figure 3 As shown, in some embodiments provided by the present invention, the first locking assembly includes a first pressing member 6 .

[0053] The rotating seat 3 is rotatably connected to the lifting seat 2 via a first connecting shaft 5 . The first pressing member 6 is connected to the first connecting shaft 5 and is used to press or release the rotating seat 3 and the lifting seat 2 .

[0054] In this embodiment, when the first pressing member 6 presses the rotating seat 3 and the lifting seat 2, the rotating seat 3 is fixed relative to the lifting seat 2 and the rotating seat 3 is locked; when the first pressing member 6 releases the rotating seat 3 and the lifting seat 2, the rotating seat 3 can rotate relative to the lifting seat 2 and the rotating seat 3 is unlocked. In this way, the first pressing member 6 has a simple structure and is easy to operate.

[0055] Optionally, the first pressing member 6 can be set as an eccentric wheel or a fixing nut with reference to the second pressing member 9. Optionally, the rotating seat 3 and the lifting seat 2 can also be meshed with the mounting seat 7 through a toothed disc, thereby preventing the rotating seat 3 from rotating relative to the lifting seat 2 in a locked state, thereby improving the stability of the rotating seat 3.

[0056] In some embodiments provided by the utility model, a groove 701 is provided on the mounting seat 7, and the riveting assembly 4 includes a riveting machine 401 and a mold 402, and the riveting machine 401 and the mold 402 are respectively connected to the two sides of the groove 701. In this embodiment, during use, the parts to be riveted are placed in the groove 701 and located between the riveting machine 401 and the mold 402, and the riveting machine 401 drives the rivet to approach the mold 402, and the mold 402 limits the deformation direction of the rivet, so that the rivet rivets the parts to be riveted.

[0057] In some embodiments provided by the present invention, a moving mechanism is provided at the bottom of the support 1. For example, the moving mechanism is provided as a rotatable caster, so that the support 1 can move or rotate, thereby increasing the degree of freedom of the riveting assembly 4.

[0058] Of course, the moving mechanism can also be set as a guide rail.

[0059] In some embodiments provided by the utility model, a guide structure and a rotatable lead screw are provided on the support 1. The lifting seat 2 is slidably matched with the guide structure and is threadedly connected with the lead screw. During use, the lifting seat 2 can be driven to rise and fall along the guide structure by rotating the lead screw, thereby adjusting the height position of the lifting seat 2, and the lifting seat 2 is threadedly matched with the lead screw, which has a self-locking effect and can prevent the lifting seat 2 from sliding down.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A self-piercing riveting device, characterized in that: include: Support; A lifting seat, wherein the lifting seat is arranged on the support in an adjustable position along the height direction of the support; A rotating seat, the rotating seat is rotatably connected to the lifting seat; A first locking assembly, the first locking assembly is connected to the lifting seat and the rotating seat, and is used to lock the rotating seat to the lifting seat or unlock the rotating seat; A riveting assembly is arranged on the rotating seat and is used to drive rivets for riveting.

2. The self-piercing riveting device according to claim 1, characterized in that: The first locking assembly includes a first pressing member; The rotating seat is rotatably connected to the lifting seat via a first connecting shaft. The first pressing member is connected to the first connecting shaft and is used to press or loosen the rotating seat and the lifting seat.

3. The self-piercing riveting device according to claim 1, characterized in that: It also includes a mounting seat and a second locking assembly, wherein the mounting seat is rotatably connected to the rotating seat, and the rotation axis of the mounting seat is perpendicular to or skewed with the rotation axis of the rotating seat, and the riveting assembly is connected to the mounting seat; The second locking assembly connects the mounting seat and the rotating seat, and the second locking assembly is used to lock the mounting seat to the rotating seat or unlock the mounting seat.

4. The self-piercing riveting device according to claim 3, characterized in that: A fixed plate is arranged on the rotating seat, the second locking assembly includes a second clamping member, the mounting seat is rotatably connected to the fixed plate via a second connecting shaft, the second clamping member is connected to the second connecting shaft, and the second clamping member is used to clamp or loosen the mounting seat and the fixed plate.

5. The self-piercing riveting device according to claim 4, characterized in that: The second pressing member includes an eccentric wheel rotatably connected to the second connecting shaft; Alternatively, the second pressing member includes a fixing nut threadably connected to the second connecting shaft.

6. The self-piercing riveting device according to claim 4, characterized in that: A first toothed disc is arranged on one side of the fixing plate close to the mounting seat, and a second toothed disc meshing with the first toothed disc is arranged on the mounting seat.

7. The self-piercing riveting device according to claim 4, characterized in that: The fixing plates are arranged in pair, and the mounting seat extends between the pair of fixing plates.

8. The self-piercing riveting device according to claim 3, characterized in that: The mounting seat is provided with a groove, and the riveting assembly comprises a riveting machine and a mold, and the riveting machine and the mold are respectively connected to two sides of the groove.

9. The self-piercing riveting device according to any one of claims 1 to 8, characterized in that: A moving mechanism is arranged at the bottom of the support.

10. The self-piercing riveting device according to any one of claims 1 to 8, characterized in that: The support is provided with a guide structure and a rotatable lead screw, and the lifting seat is slidably matched with the guide structure and is threadedly connected with the lead screw.

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