CN210648148U

CN210648148U - Automatic squeeze riveter

Info

Publication number: CN210648148U
Application number: CN201921372917.9U
Authority: CN
Inventors: 高志
Original assignee: Wuhan Dongweld Automobile Equipment Co ltd
Current assignee: Wuhan Dongweld Automobile Equipment Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-02
Anticipated expiration: 2029-08-22

Abstract

The utility model belongs to the technical field of automobile parts processing, specifically provide an automatic squeeze riveter, including the operation panel, be equipped with on the operation panel and press the cushion cap of riveting mechanism and being used for placing the work piece, press and rivet the mechanism and include driving piece and depression bar, driving piece and depression bar fixed connection, the depression bar end is equipped with the elasticity preforming that is used for blocking the nut, and the cushion cap is located the depression bar movement track. The nut is pressed into the tail end of the pressing rod and the elastic pressing sheet on the side face of the nut is extruded to preliminarily fix the nut, the workpiece is placed on the bearing platform, the nut is slowly pressed into the workpiece by the driving pressing rod, the pressing rod is reset when the nut is pressed to a preset position, the elastic force of the elastic pressing sheet cannot drive the whole workpiece, the pressing rod is completely separated from the nut, the workpiece after press riveting is taken away, and a new press riveting action is completed by repeated operation. The device convenient operation can be semi-automatic feeding, also can be full-automatic through PLC control, can with production line seamless butt joint, and be convenient for maintain.

Description

Automatic squeeze riveter

Technical Field

The utility model belongs to the technical field of automobile parts processing, concretely relates to automatic squeeze riveter.

Background

The press riveting nut is also called a riveting nut, is a self-fastening nut applied to a thin plate or a metal plate, is circular in shape, and is provided with embossing teeth and a guide groove at one end. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, generally, the aperture of each preset hole is slightly smaller than the embossing teeth of the press riveting nut, the embossing teeth of the press riveting nut are extruded into the plate through pressure, the periphery of each preset hole generates plastic deformation, and a deformed object is extruded into the guide groove, so that the locking effect is achieved.

In the production of each automobile part factory, a plurality of parts are connected in a riveting mode, and a common riveting machine needs manual operation, so that the efficiency is low, the safety coefficient of manual operation is low, and the labor is strong.

Disclosure of Invention

The utility model aims at overcoming the problem of the prior art middling pressure riveting inefficiency.

Therefore, the utility model provides an automatic squeeze riveter, comprises an operation bench, be equipped with the cushion cap that the mechanism was riveted and was used for placing the work piece in the pressure on the operation panel, the mechanism is riveted including driving piece and depression bar in the pressure, the driving piece with depression bar fixed connection, the depression bar end is equipped with the elasticity preforming that is used for blocking the nut, the cushion cap is located on the depression bar motion trail.

Preferably, the elastic pressing pieces are symmetrically distributed on two sides of the nut, and the elastic pressing pieces have inclination angles.

Preferably, the elastic pressing sheet is a metal elastic sheet.

Preferably, the height of the elastic pressing piece is smaller than the thickness of the nut.

Preferably, the operating platform comprises a vertical arched base, and the press riveting mechanism and the bearing platform are respectively and fixedly connected with the upper end and the lower end of the vertical arched base.

Preferably, the operating platform is further provided with a demolding cylinder, and the bearing platform is fixedly connected with an output shaft of the demolding cylinder.

Preferably, the operation platform is provided with a waste bin, and the waste bin is located under the bearing platform and has an upward opening.

Preferably, the nut conveying mechanism is further included, and an outlet of the nut conveying mechanism extends to the tail end of the compression rod.

Preferably, the side of the tail end of the pressure lever is provided with an opening, and the elastic pressing sheet is positioned on two sides of the opening.

Preferably, the driving member is a cylinder or a hydraulic cylinder.

The utility model has the advantages that: the utility model provides an automatic squeeze riveter, including the operation panel, be equipped with on the operation panel and press the cushion cap of riveting mechanism and being used for placing the work piece, press and rivet the mechanism and include driving piece and depression bar, driving piece and depression bar fixed connection, the depression bar end is equipped with the elasticity preforming that is used for blocking the nut, and the cushion cap is located depression bar movement track. The nut is pressed into the tail end of the pressing rod and the elastic pressing sheet on the side face of the nut is extruded to preliminarily fix the nut, the workpiece is placed on the bearing platform, the nut is slowly pressed into the workpiece by the driving pressing rod, the pressing rod is reset when the nut is pressed to a preset position, the elastic force of the elastic pressing sheet cannot drive the whole workpiece, the pressing rod is completely separated from the nut, the workpiece after press riveting is taken away, and a new press riveting action is completed by repeated operation. The device convenient operation can be semi-automatic feeding, also can be full-automatic through PLC control, can with production line seamless butt joint, and be convenient for maintain. Can stabilize the efficient and accomplish production after cooperation nut conveyer inserts automatic production line, have the important effect to promoting the automatic production ability of mill.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of the automatic squeeze riveter of the present invention;

FIG. 2 is a partially enlarged view of the automatic squeeze riveter of the present invention;

FIG. 3 is a schematic view of the structure of the end of the pressure bar of the automatic squeeze riveter of the present invention;

FIG. 4 is a schematic view of the nut of the automatic squeeze riveter pressing on the workpiece;

FIG. 5 is a schematic structural view of the demolding cylinder and the bearing platform of the automatic squeeze riveter of the present invention;

fig. 6 is a schematic view of the internal structure of the nut conveying mechanism of the automatic riveting machine of the present invention.

Description of reference numerals: the device comprises an operating platform 1, a pressure rod 2, a nut conveying mechanism 3, a bearing platform 4, a waste bin 5, a driving air cylinder 6, a nut 7, a workpiece 8, an elastic pressing sheet 21, a baffle plate 22, an inclined pipeline 31, a buffer groove 32, a push block step 33 and a demoulding air cylinder 41.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 5, the utility model provides an automatic squeeze riveter, including operation panel 1, be equipped with on operation panel 1 and press riveting mechanism and be used for placing work piece 8 cushion cap 4, press riveting mechanism includes driving piece and depression bar 2, the driving piece with 2 fixed connection of depression bar, 2 ends of depression bar are equipped with the elasticity preforming 21 that is used for blocking nut 7, cushion cap 4 is located on 2 movement tracks of depression bar.

The squeeze riveter is vertically placed, the squeeze riveter mechanism is arranged above, and the bearing platform 4 is arranged below. The nut 7 is pressed into the tail end of the pressing rod 2 and the elastic pressing sheet 21 on the side face of the nut 7 is extruded to fix the nut 7 preliminarily, the nut 7 is prevented from falling off, the workpiece 8 is placed on the bearing platform 4, a pit is formed in the bearing platform 4, the workpiece 8 is located in the pit and prevented from moving left and right or translating, and the effect of stabilizing and positioning the workpiece 8 is achieved. The pressing rod 2 is driven by the driving piece to be downwards and slowly close to the workpiece 8 on the bearing platform 4 until the nut 7 is slowly pressed into the workpiece 8, the pressing rod 2 is reset when the nut 7 is pressed to a preset position, the elastic force of the elastic pressing piece 21 cannot drive the whole workpiece 8, the pressing rod 2 is completely separated from the nut 7, the workpiece 8 after pressure riveting is taken away, and a new round of pressure riveting is completed by repeated operation. As the motion trail of the pressure lever 2 and the concave pits on the bearing platform 4 are fixed, the nut 7 can be aligned with the workpiece 8 to finish the riveting operation only by pressing the nut into the space between the elastic pressing sheets 21 at the tail end of the pressure lever 2 and then downwards.

Wherein the driving part is a driving air cylinder 6 or a hydraulic cylinder.

Preferably, the elastic pressing pieces 21 are symmetrically distributed on two sides of the nut 7, and the elastic pressing pieces 21 have an inclination angle. Therefore, the elastic pressing sheets 21 are symmetrically arranged at the tail end of the pressure rod 2 in the left-right direction, the baffle plate 22 is arranged at the back, the opening is formed in the front, the nut 7 can enter the end part of the pressure rod 2 from the opening, and the nut 7 can be positioned until the nut 7 abuts against the baffle plate 22 at the back. Meanwhile, the nuts 7 are fixed from the left and right sides by the elastic pressing pieces 21 arranged in bilateral symmetry. In addition, the side of the elastic pressing piece 21 close to the opening has an inclination angle, which facilitates the entry of the nut 7. The pressure of the elastic pressing sheet 21 is designed in advance, so that the pressure just hangs the nut 7 and does not fall off, and meanwhile, the whole pressed and riveted workpiece 8 cannot be hung, and the demolding is facilitated.

Preferably, the elastic pressing piece 21 is a metal elastic piece. The metal elastic sheet has good recovery and anti-fatigue properties.

Preferably, the height of the elastic pressing piece 21 is smaller than the thickness of the nut 7. Therefore, the nut 7 is pressed between the elastic pressing sheets 21, and the thickness of the exposed part of the nut 7 is the depth required to be pressed into the workpiece 8. When the specific body is pressed in, the pressing depth can be ensured by controlling the stroke of the driving piece.

Preferably, the operating platform 1 comprises a vertical arched base, and the press riveting mechanism and the bearing platform 4 are respectively fixedly connected with the upper end and the lower end of the vertical arched base. The arched base has good bending stress resistance and reduces installation space.

Preferably, the operating table 1 is further provided with a demolding cylinder 41, and the bearing platform 4 is fixedly connected with an output shaft of the demolding cylinder 41. After the pressure riveting is finished, the pressure rod 2 is withdrawn upwards, the riveted workpiece 8 is positioned in a pit of the bearing platform 4, the pit is a stepped hole, and the workpiece 8 is jacked upwards from the center of the stepped hole through an output shaft of the demolding cylinder 41 to finish the demolding operation.

Preferably, a waste box 5 is arranged on the operating platform 1, and the waste box 5 is located under the bearing platform 4 and has an upward opening. Waste materials can be generated in the riveting process, and can be just received and recycled through the waste material box 5, so that the environment pollution is prevented.

Preferably, the device further comprises a nut conveying mechanism 3, and an outlet of the nut conveying mechanism 3 extends to the tail end of the compression bar 2. The outlet of the nut conveying mechanism 3 is aligned with the clamping position of the nut 7 at the tail end of the compression bar 2. Specifically, the nut 7 is flatly placed in the inclined pipeline 31, the inclined pipeline 31 just enters the nut 7 which is flatly placed, the nut 7 enters the inclined pipeline 31 one time at each time interval from an inlet at the higher end of the inclined pipeline 31, the inclined pipeline 31 has an inclined angle, under the action of gravity, the nut 7 slides into an outlet at the lower end from the higher end, then slides out to a material receiving position on a pushing block step 33 from the outlet at the lower end after passing through a buffer groove 32, the pushing block step 33 is pushed to the tail end of the pressure lever 2 through an air cylinder, the nut 7 can be pressed into the elastic pressing sheet 21 at the tail end of the pressure lever 2, and then the pushing block returns to the initial position to wait for the next nut 7 to arrive. The drive then drives the press rod 2 down into the workpiece 8.

The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides an automatic squeeze riveter which characterized in that: the riveting device comprises an operating platform, wherein a riveting mechanism and a bearing platform used for placing workpieces are arranged on the operating platform, the riveting mechanism comprises a driving piece and a pressing rod, the driving piece is fixedly connected with the pressing rod, an elastic pressing piece used for clamping a nut is arranged at the tail end of the pressing rod, and the bearing platform is located on the movement track of the pressing rod.

2. The automatic squeeze riveter of claim 1, characterized in that: the elastic pressing sheets are symmetrically distributed on two sides of the nut and have inclination angles.

3. The automatic squeeze riveter of claim 1, characterized in that: the elastic pressing sheet is a metal elastic sheet.

4. The automatic squeeze riveter of claim 1, characterized in that: the height of the elastic pressing sheet is smaller than the thickness of the nut.

5. The automatic squeeze riveter of claim 1, characterized in that: the operating platform comprises a vertical arched base, and the press riveting mechanism and the bearing platform are fixedly connected with the upper end and the lower end of the vertical arched base respectively.

6. The automatic squeeze riveter of claim 1, characterized in that: still be equipped with the drawing of patterns cylinder on the operation panel, the cushion cap with the output shaft fixed connection of drawing of patterns cylinder.

7. The automatic squeeze riveter of claim 1, characterized in that: the operating platform is provided with a waste box, and the waste box is located under the bearing platform and has an upward opening.

8. The automatic squeeze riveter of claim 1, characterized in that: the nut conveying mechanism is arranged on the pressing rod, and an outlet of the nut conveying mechanism extends to the tail end of the pressing rod.

9. The automatic squeeze riveter of claim 1, characterized in that: the side of the tail end of the pressing rod is provided with an opening, and the elastic pressing sheet is positioned on two sides of the opening.

10. The automatic squeeze riveter of claim 1, characterized in that: the driving piece is a cylinder or a hydraulic cylinder.