Butt riveting mechanism and butt riveting work station

Abstract

The utility model provides a butt-riveting mechanism and a butt-riveting workstation. The butt-riveting mechanism comprises two outer riveting heads, two inner riveting heads and two outer riveting heads, the two inner riveting heads are arranged between the two outer riveting heads and are in one-to-one correspondence with the two outer riveting heads; and in the opposite directions of the two outer riveting heads, the two inner riveting heads can be close to each other or far away from each other. The two outer riveting heads are matched with the two inner riveting heads, so that the two side plates and the groove body can be quickly riveted and assembled, and meanwhile, the two inner riveting heads support the groove body in two directions in the groove body, so that the deformation of the groove body can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to riveting technical field especially relates to a riveting mechanism and riveting workstation. BACKGROUND

[0002] As Figure 9 And Figure 10 As shown in a certain type of handrail piece a, including groove body a2 and two edge plates a1 symmetrically arranged on both sides of groove body a2, the edge plate a1 is equipped with the hinge hole a21, the groove body a2 is equipped with the flange a11, in use, the flange a11 extends into the hinge hole a21, and the assembly of the edge plate a1 and the groove body a2 can be completed by using the riveting head to turn up the flange a11. But because the groove body a2 is thin-walled structure, therefore when using the riveting head to turn up the flange a11, it is easy to cause the deformation of groove body a2, and the quality is affected. SUMMARY

[0003] In view of the deficiencies of the prior art, one purpose of the utility model is to provide a riveting mechanism, which can effectively prevent the deformation of the groove body.

[0004] Another purpose of the utility model is to provide a riveting workstation, which can greatly improve the processing efficiency of the handrail piece.

[0005] The embodiment of the utility model realizes by the following technical schemes:

[0006] A riveting mechanism, comprising: two outer rivets arranged oppositely; two inner rivets arranged between the two outer rivets and corresponding to the two outer rivets; wherein, in the opposite direction of the two outer rivets, the two inner rivets can approach or move away from each other. The two outer rivets cooperate with the two inner rivets to realize the quick riveting assembly of the two edge plates and the groove body, and the two inner rivets support the groove body in two directions, which can effectively prevent the deformation of the groove body.

[0007] According to a preferred embodiment, the two inner rivets move synchronously.

[0008] According to a preferred embodiment, the riveting mechanism further comprises a fixed seat between the two outer rivets; the fixed seat is provided with a containing cavity; a guide hole is formed in the side surface of the fixed seat close to the outer rivet, and the guide hole is communicated with the containing cavity; the inner rivet corresponding to the outer rivet is embedded in the corresponding guide hole; a driving block is adjustably assembled on the fixed seat, and the driving block can extend into the containing cavity; the driving block is provided with a driving surface; the outer rivet is provided with a driven surface matched with the driving surface; and the driving surface acts on the driven surface to move the inner rivet.

[0009] According to a preferred embodiment, a driving groove is formed on the driving block, the driving surface is a groove wall of the driving groove, a sliding shaft is arranged on the inner riveting head, and the driven surface is a peripheral surface of the sliding shaft.

[0010] According to a preferred embodiment, the driving surface and the driven surface are both inclined planes.

[0011] According to a preferred embodiment, a reset spring is arranged between the two inner riveting heads, and the reset spring is in a stretched state during the process that the two inner riveting heads move away from each other.

[0012] A riveting station comprises a machine table, a rotary table and the riveting mechanism, wherein the rotary table is assembled on the machine table, a jig is arranged on the rotary table and used for clamping a handrail piece, and the riveting mechanism is arranged on the machine table and located at the peripheral side of the rotary table; the jig comprises a bottom plate and a sliding plate which are connected in a sliding mode, a limiting groove for accommodating the handrail piece is arranged on the sliding plate, and the bottom plate is installed on the rotary table; in a working state, the sliding plate can slide relative to the bottom plate so that the handrail piece extends to the riveting mechanism. The rotary table and the riveting mechanism can greatly improve the processing efficiency of the handrail piece. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 A perspective structural schematic view of the riveting station provided by the embodiments of the present application is shown in the figure.

[0015] Figure 2 A perspective structural schematic view of the riveting mechanism provided by the embodiments of the present application is shown in the figure.

[0016] Figure 3 An assembly structural schematic view of the outer riveting head, the fixed seat and the driving block provided by the embodiments of the present application is shown in the figure.

[0017] Figure 4 A front view of the structure shown in the figure is shown in the figure. Figure 3

[0018] A partial enlarged schematic view of the structure at position A in the figure is shown in the figure. Figure 5 Figure 4

[0019] Figure 6 ​​The utility model discloses another embodiment drive block and the assembly structure schematic diagram of inner riveting head.

[0020] Figure 7 The utility model discloses the three -dimensional structure schematic diagram of jig assembly handrail piece of embodiment provides.

[0021] Figure 8 The utility model discloses the three -dimensional structure schematic diagram of jig of embodiment provides.

[0022] Figure 9 The utility model discloses the explosion structure schematic diagram of handrail piece of embodiment provides.

[0023] Figure 10 The utility model discloses the three -dimensional structure schematic diagram of handrail piece of embodiment provides.

[0024] Icon: 1, machine table, 2, rotary workbench, 3, jig, 31, bottom plate, 32, sliding plate, 33, limit slot, 4, riveting mechanism, 41, mounting bracket, 42, first drive part, 43, fixed seat, 431, containing cavity, 44, second drive part, 45, outer riveting head, 46, drive block, 461, drive surface, 462, drive groove, 47, inner riveting head, 471, driven surface, 472, sliding shaft, 48, fixed rod, 49, return spring, a, handrail piece, a1, baffle, a11, flange, a2, groove body, a21, hinged hole. DETAILED DESCRIPTION

[0025] In order to better understand and implement, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model.

[0026] In the description of the utility model, it is explained that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0028] Please refer to Figures 2 to 6A riveting mechanism, comprising two outer riveting heads 45 arranged oppositely, and two inner riveting heads 47 arranged between the two outer riveting heads 45 and corresponding to the two outer riveting heads 45; wherein the two inner riveting heads 47 can move towards or away from each other in the direction opposite to the two outer riveting heads 45. The riveting mechanism 4 is applied to the assembly of the side plate a1 and the groove body a2 as shown in Figure 9 and Figure 10 When in use, the handrail a is arranged between the two outer riveting heads 45, and the two inner riveting heads 47 are arranged in the groove body a2. During the assembly of the handrail a to the riveting mechanism 4, the two inner riveting heads 47 move towards each other to facilitate the assembly of the handrail a, and then move away from each other to abut against the inner wall of the groove body a2 and correspond to the hinge hole a21 coaxially to support and limit the groove body a2, and finally the outer riveting head 45 moves towards the corresponding inner riveting head 47 to complete the flanging of the flange a11 together with the inner riveting head 47. The two outer riveting heads 45 cooperate with the two inner riveting heads 47 to realize the quick riveting assembly of the two side plates a1 and the groove body a2, and the two inner riveting heads 47 support the groove body a2 in two directions, which can effectively prevent the deformation of the groove body a2.

[0029] Preferably, the two inner riveting heads 47 move synchronously, which can improve the work efficiency.

[0030] As shown in Figures 2 to 5 , the riveting mechanism 4 further comprises a mounting frame 41 and a fixed seat 43, the fixed seat 43 is fixed to the mounting frame 41, and the fixed seat 43 is arranged between the two outer riveting heads 45; the fixed seat 43 is provided with a receiving cavity 431, and the side surface of the fixed seat 43 near the outer riveting head 45 is provided with a guide hole communicating with the receiving cavity 431, and the inner riveting head 47 corresponding to the outer riveting head 45 is embedded in the corresponding guide hole; the fixed seat 43 is adjustably provided with a driving block 46, the driving block 46 can extend into the receiving cavity 431, the driving block 46 is provided with a driving surface 461, the outer riveting head 45 is provided with a driven surface 471 matched with the driving surface 461, and the driving surface 461 acts on the driven surface 471 to drive the inner riveting head 47 to move. Specifically, as shown in Figure 2 and Figure 3 , the mounting frame 41 is provided with a first driving member 42 and a second driving member 44, and the first driving member 42 and the second driving member 44 include but are not limited to electric cylinders or pneumatic cylinders. The first driving member 42 is used to drive the outer riveting head 45, and the second driving member 44 is used to drive the driving block 46.

[0031] In this embodiment, as shown in Figure 4 and Figure 5 , the driving surface 461 and the driven surface 471 are both inclined planes.

[0032] Further, in order to facilitate the two inner riveting heads 47 to reset, that is, to approach each other, a reset spring 49 is arranged between the two inner riveting heads 47, and the reset spring 49 is in a stretched state during the process that the two inner riveting heads 47 move away from each other. When the driving surface 461 is separated from the driven surface 471, the reset spring 49 contracts to drive the two inner riveting heads 47 to approach each other.

[0033] Specifically, a fixed rod 48 is arranged on the inner riveting head 47, and the reset spring 49 is arranged on the fixed rod 48. It should be noted that a strip-shaped slot is arranged on the fixed seat, the strip-shaped slot extends to the accommodating cavity 431, the fixed rod 48 extends to the outside of the fixed seat 43 through the strip-shaped slot, and the reset spring 49 is outside the fixed seat 43, facilitating maintenance.

[0034] In another embodiment, as shown in Figure 6 , a driving groove 462 is arranged on the driving block 46, the driving surface is the groove wall of the driving groove 462, a sliding shaft 472 is arranged on the inner riveting head 47, the driven surface is the circumferential side surface of the sliding shaft 472, and the sliding shaft 472 is slidingly embedded in the driving groove 462. In this way, the longitudinal reciprocating movement of the driving block 46 can realize the synchronous movement of the two inner riveting heads 47 to approach or move away from each other.

[0035] As shown in Figure 1 , Figure 7 and Figure 8 , the present embodiment also provides a riveting station, which comprises a machine table 1 and a rotary workbench 2, the rotary workbench 2 is provided with a jig 3 for clamping the handrail a, and the side of the rotary workbench 2 is provided with the riveting mechanism 4 described above, wherein the jig 3 comprises a bottom plate 31 and a sliding plate 32, the sliding plate 32 is provided with a limiting groove 33 for accommodating the handrail a, the bottom plate 31 is installed on the rotary workbench 2, the sliding plate 32 is slidingly connected with the bottom plate 31 through a sliding rail and sliding block assembly, and is driven by a cylinder or an electric cylinder arranged on the bottom plate 31 to move along the radial direction of the rotary workbench 2 to approach or move away from the riveting mechanism 4. In use, when the rotary workbench 2 rotates to make the jig 3 reach the riveting mechanism 4, that is, in a working state, the sliding plate 32 slides relative to the bottom plate 31 to approach the riveting mechanism 4, so that the handrail a reaches between the two outer riveting heads 45, and the two inner riveting heads 47 are in the groove a2. The cooperation of the rotary workbench 2 and the riveting mechanism 4 can greatly improve the processing efficiency of the handrail a.

[0036] The technical means disclosed in the present utility model scheme is not limited to the technical means disclosed in the above-mentioned embodiments, but also includes technical solutions composed of any combination of the above technical features. It should be noted that, for ordinary skilled persons in the art, without departing from the principles of the present utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the present utility model.

Claims

1. A riveting mechanism, characterized by comprising: The device comprises: two outer riveting heads arranged oppositely; two inner riveting heads arranged between the two outer riveting heads and corresponding to the two outer riveting heads, wherein the two inner riveting heads can approach or move away from each other in the direction opposite to the two outer riveting heads.

2. The riveting mechanism according to claim 1, characterized by The two inner riveting heads move synchronously.

3. The riveting mechanism according to claim 1 or 2, characterized by The riveting mechanism further comprises a fixed seat between the two outer riveting heads; the fixed seat is provided with a receiving cavity, and a guide hole is formed in the side surface of the fixed seat close to the outer riveting head, the guide hole being communicated with the receiving cavity, and the inner riveting head corresponding to the outer riveting head is embedded in the corresponding guide hole; an adjustable driving block is assembled on the fixed seat, the driving block can extend into the receiving cavity, the driving block is provided with a driving surface, the outer riveting head is provided with a driven surface matched with the driving surface, and the driving surface acts on the driven surface to make the inner riveting head move.

4. The riveting mechanism according to claim 3, characterized by A driving groove is formed in the driving block, the driving surface is the groove wall of the driving groove, a sliding shaft is arranged on the inner riveting head, and the driven surface is the peripheral side surface of the sliding shaft, the sliding shaft being slidingly embedded in the driving groove.

5. The riveting mechanism according to claim 3, wherein The driving surface and the driven surface are both inclined planes.

6. The riveting mechanism according to claim 1, wherein A return spring is arranged between the two inner riveting heads, and the return spring is in a stretched state during the process that the two inner riveting heads move away from each other.

7. A riveting station, characterized in that, The device comprises a machine table, a rotary worktable and the riveting mechanism according to any one of claims 1-6, wherein the rotary worktable is assembled on the machine table, the rotary worktable is provided with a jig for clamping a handrail part, and the riveting mechanism is arranged on the machine table and located on the peripheral side of the rotary worktable; the jig comprises a bottom plate and a sliding plate connected slidingly, the sliding plate is provided with a limiting groove for accommodating the handrail part, the bottom plate is installed on the rotary worktable, and in the working state, the sliding plate can slide relative to the bottom plate so that the handrail part extends to the riveting mechanism.

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