CN206386368U - A thin plate riveting nut device - Google Patents

Abstract

The utility model belongs to the technical field of the riveting technique and specifically relates to indicate a sheet metal riveting nut device. The riveting machine comprises an operating machine table, wherein a gantry support is installed on the upper end face of the operating machine table, a riveting cylinder is vertically installed above the gantry support, a riveting plate connected with a telescopic rod of the riveting cylinder is arranged in the middle of the lower portion of the gantry support, a riveting column used for pressing a nut is detachably installed at the bottom of the riveting plate, an interchangeable riveting jig capable of being preassembled with the nut and a thin plate is arranged right below the pressing plate of the operating machine table, a jig positioning frame is arranged on the outer side of the interchangeable riveting jig, a reversed V-shaped positioning strip is arranged in the middle of the jig positioning frame, and a V-shaped positioning groove is arranged at the bottom of the interchangeable riveting jig; before riveting, the interchangeable riveting jig is arranged in the jig positioning frame along the direction of the inverted V-shaped positioning strip. When the utility model is used for riveting, the riveting precision is high, the efficiency is high, and the labor force is saved; the labor intensity of workers is greatly reduced, and the potential safety hazard of production is reduced.

Description

A thin plate riveting nut device

technical field

The utility model relates to the technical field of riveting devices, in particular to a thin plate riveting nut device.

Background technique

In the production of electronic products such as telephones, tablet computers, IPADs, and MP4s, it is usually necessary to produce sheet metal parts as small sheet-shaped workpieces such as mounting plates and frames. These workpieces are generally used as the main frame for installation. During the entire assembly process of electronic products, nuts are first pressed into the mounting holes of the workpiece. During later assembly, other components can be directly fixed on the workpiece with screws, which is convenient for later assembly. .

For example, there is a fixed thin plate for fixing and installing the circuit board in the mobile phone case, which needs to be punched and riveted into nuts. The fixed thin plate is mainly a light and thin steel plate. The existing traditional processing method is to punch holes on the formed plate, and then rivet the nuts; the operation steps are: first place the punched light and thin steel plate on the riveting jig, and then Align the nuts by hand into the screw holes in the light sheet steel. Such a manual installation method has low assembly efficiency and high labor costs, and its efficiency is still very low, which cannot meet the needs of production. In addition, manual feeding not only makes the riveting machine stay for a long time to assemble the nut, but also increases the labor intensity of the workers. Large, there are potential safety hazards in production.

Utility model content

The utility model provides a thin plate riveting nut device aiming at the problems of the prior art.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A device for riveting nuts on a thin plate, comprising a control platform, a gantry bracket is installed on the upper surface of the control platform, a riveting cylinder is installed vertically above the gantry bracket, and a riveting pressure cylinder is installed in the middle of the bottom of the gantry bracket. The riveting plate connected to the expansion rod of the cylinder, the bottom of the riveting plate can be detachably installed with the riveting column used for pressing the nut, and the control machine is provided with an interchangeable type that can be pre-installed with nuts and thin plates directly under the pressing plate Riveting jig, the outer side of the interchangeable riveting jig is provided with a jig positioning frame, the middle of the jig positioning frame is provided with an inverted V-shaped positioning strip, and the bottom of the interchangeable riveting jig is provided with a V Type positioning groove; before riveting, the interchangeable riveting fixture is installed in the fixture positioning frame along the direction of the inverted V-shaped positioning strip.

Wherein, a group of infrared grating devices is arranged in front of the gantry bracket, and the infrared grating devices are vertically installed on the control machine platform, and are used for urgently controlling the riveting cylinder to stop immediately.

Wherein, the interchangeable riveting jig includes a jig cover plate and a jig bottom plate, and a plurality of sheet positioning pins are arranged on the jig bottom plate, and the lower ends of the sheet positioning pins are embedded in the jig bottom plate. A plurality of riveting through holes for the riveting columns to pass through are opened on the jig cover plate.

Further, the front end of the jig bottom plate has a handle that is convenient for taking the jig by hand, the handle is in a T-shaped structure, and the transverse connection end of the handle is fixedly connected to the jig bottom plate; the jig cover plate A cover plate handle is fixedly installed on the top of the cover plate, and a plurality of locking screws are arranged on the cover plate handle, and the cover plate handle is fixedly connected with the fixture cover plate through the locking screws.

Wherein, a jig support plate is provided below the jig positioning frame, and the jig support plate is fixedly installed on the upper surface of the control machine; four corners of the riveting plate are provided with adjustable riveting height. An adjusting bolt, and a locking nut is also arranged between the adjusting bolt and the riveting plate.

Wherein, the left and right ends of the riveting plate are respectively provided with guide sleeves and guide columns passing through the guide sleeves, the guide sleeves are inlaid on the riveting plate, and the guide columns are vertically arranged in the gantry bracket.

Wherein, a barometer connected to the intake pipe is installed on the rear end surface of the gantry bracket, and a time relay connected to the barometer is installed on the side of the control platform.

The beneficial effects of the utility model:

The utility model provides a thin plate riveting nut device. During the riveting operation, the interchangeable riveting fixture equipped with the thin plate and the nut is placed in the fixture positioning frame, and the riveting cylinder is controlled by operating the machine. Stretch downward, the riveting plate descends with the expansion rod of the riveting cylinder, and the riveting column presses the nut into the thin plate; when the riveting is completed, the riveting plate rises, and the interchangeable riveting jig that has been riveted is taken out by hand. Then put another interchangeable riveting jig that needs to be riveted into the jig positioning frame for riveting. The utility model is used for riveting, which has high riveting precision, high efficiency and labor saving; greatly reduces the labor intensity of workers and reduces hidden dangers of production safety.

Description of drawings

Fig. 1 is a three-dimensional structure diagram 1 of a thin plate riveting nut device of the present invention.

Fig. 2 is a three-dimensional structure diagram 2 of a thin plate riveting nut device of the present invention.

Fig. 3 is a structural schematic view of the utility model when no riveting structure is installed.

Fig. 4 is a three-dimensional structural schematic diagram of the interchangeable riveting jig in the utility model.

Fig. 5 is a schematic diagram of the bottom structure of the interchangeable riveting jig in the present invention.

Fig. 6 is an exploded view of the structure of the interchangeable riveting jig in the utility model.

Fig. 7 is a schematic structural view of the riveting plate in the present invention.

Reference numerals in FIGS. 1 to 7 include:

1—control machine 2—gantry support 3—riveting cylinder

4—Riveting plate 5—Riveting column 6—Interchangeable riveting fixture

7—fixture positioning frame 8—inverted V-shaped positioning strip 9—V-shaped positioning groove

10—infrared grating 11—fixture cover 12—fixture bottom plate

13—Plate pin 14—Handle 15—Cover handle

16—Jig support plate 17—Adjusting bolt 18—Lock nut

19—Guide sleeve 20—Guide column 21—Barometer

22—time relay.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model. Below in conjunction with accompanying drawing, the utility model is described in detail.

A thin plate riveting nut device provided by the utility model includes a control machine 1, as shown in Figure 1, the control machine 1 has three control buttons, and the riveting start and stop can be realized by manually pressing the control buttons. A gantry support 2 is installed on the upper surface of the control machine 1, a riveting cylinder 3 is installed vertically above the gantry support 2, and a riveting plate connected to the telescopic rod of the riveting cylinder 3 is arranged in the middle of the bottom of the gantry support 2 4. The riveting plate 4 is a combined pressing plate, the bottom of the riveting plate 4 can be detachably installed with a riveting post 5 for pressing nuts, the top of the riveting post 5 is provided with a threaded section, and the riveting post 5 It is detachably and fixedly connected with the riveting plate 4; the control machine 1 is provided with an interchangeable riveting jig 6 that can be pre-installed with nuts and thin plates directly below the pressing plate, and the outer side of the interchangeable riveting jig 6 A fixture positioning frame 7 is provided, an inverted V-shaped positioning bar 8 is arranged in the middle of the fixture positioning frame 7, and a V-shaped positioning groove 9 is provided at the bottom of the interchangeable riveting fixture 6; before riveting, the The interchangeable riveting jig 6 is installed in the jig positioning frame 7 along the direction of the inverted V-shaped positioning bar 8 .

During the riveting operation, place the interchangeable riveting jig 6 equipped with thin plates and nuts in the jig positioning frame 7, and control the riveting cylinder 3 to extend downward through the control machine 1, and the riveting plate 4 follows the riveting process. The telescopic rod of the pressing cylinder 3 descends, and the riveting column 5 presses the nut into the thin plate; when the riveting is completed, the riveting plate 4 rises, at this time, take out the interchangeable riveting jig 6 that has been riveted by hand, and then Another interchangeable riveting jig 6 that needs to be riveted is put into the jig positioning frame for riveting, so that fast interchange can greatly shorten the waiting time for the device to stop. The utility model is used for riveting, which has high riveting precision, high efficiency and labor saving; it can greatly reduce the labor intensity of workers and reduce hidden dangers of production safety.

In the present utility model, a group of infrared grating devices 10 are arranged in front of the gantry support 2, and the infrared grating devices 10 are vertically installed on the control machine 1, and are used for urgently controlling the riveting cylinder 3 to stop immediately. During the riveting operation, if the infrared grating device 10 senses that a person approaches the gantry support 2, the infrared grating device 1 immediately feeds back a stop protection signal to stop the riveting cylinder 3 immediately to avoid work accidents.

In the present utility model, the interchangeable riveting fixture is a flat structure, the interchangeable riveting fixture 6 includes a fixture cover plate 11 and a fixture bottom plate 12, and the fixture bottom plate 12 is provided with There are a plurality of thin plate positioning pins 13, the lower ends of the thin plate positioning pins 13 are embedded in the jig bottom plate 12, and the jig cover plate 11 is provided with several riveting through holes 13 for the riveting column 5 to pass through. The thin plate on which the nut needs to be installed is placed parallel to the bottom plate 12 of the jig, and the nut to be riveted onto the thin plate is manually pre-loaded into the riveting through hole 13 to wait for the automatic riveting of the machine. The interchangeable riveting jig has simple structure and low production cost.

Further, the front end of the jig bottom plate 12 has a handle 14 that is convenient for taking the jig by hand, the handle 14 is in a T-shaped structure, and the transverse connection end of the handle 14 is fixedly connected to the jig bottom plate 12; A cover handle 15 is fixedly installed on the fixture cover 11, and a plurality of locking screws are arranged on the cover handle 15, and the cover handle 15 is fixedly connected with the fixture cover 11 by locking screws. . The staff can freely and flexibly pick up the interchangeable riveting jig by holding the handle 14 with their hands. Similarly, the cover handle 15 is convenient for the staff to take the jig cover 11 and press the thin plate .

In the present utility model, a jig support plate 16 is arranged below the jig positioning frame 7, and the jig support plate 16 is fixedly installed on the upper end surface of the control machine 1, and the jig support plate 16 is a rectangular steel plate , can prevent wear and tear on the upper surface of the control machine 1; the four corners of the riveting plate 4 are provided with adjusting bolts 17 that can adjust the riveting height, and there is also a locking mechanism between the adjusting bolts 17 and the riveting plate 4 Nut 18. The height of the riveting is adjusted by adjusting the bolt 17, so that it is suitable for riveting nuts of different types.

In the present utility model, the left and right ends of the riveting plate 4 are respectively provided with a guide sleeve 19 and a guide post 20 passing through the guide sleeve 19. The guide sleeve 19 is inlaid on the riveting plate 4, and the guide The column 20 is vertically arranged in the gantry support 2 to achieve high concentricity and small gap with the guide sleeve 19, so that the stability of the riveting work is good.

In the utility model, the rear end surface of the gantry support 2 is equipped with a barometer 21 connected with the air intake pipe, and the side of the control machine 1 is installed with a time relay 22 connected with the barometer 21 . The holding time of the riveted nut is set by the time relay 22 to ensure that the nut is stably riveted and fixed in the thin plate.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above with the preferred embodiment, it is not used to limit the utility model. Anyone who is familiar with the utility model Professional technicians, without departing from the scope of the technical solution of the present utility model, should use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not depart from the technical solution of the present utility model, the The utility model technology refers to any simple modification, equivalent change and modification made to the above embodiments, which all belong to the scope of the utility model technical solution.

Claims (7)

1. A thin plate riveting nut device, comprising a control platform, a gantry support is installed on the upper surface of the control platform, a riveting cylinder is vertically installed above the gantry support, and a rivet press cylinder is installed in the middle of the bottom of the gantry support. A riveting plate connected to the telescopic rod of the riveting cylinder, the bottom of the riveting plate can be detachably installed with a riveting column for pressing nuts, and the feature is that: the control machine is provided with nuts that can be pre-installed directly under the pressing plate Interchangeable riveting fixtures for sheets and thin plates, the outer side of the interchangeable riveting fixtures is provided with a fixture positioning frame, and an inverted V-shaped positioning bar is provided in the middle of the fixture positioning frame, and the interchangeable riveting fixtures The bottom of the jig is provided with a V-shaped positioning groove; before riveting, the interchangeable riveting jig is installed in the jig positioning frame along the direction of the inverted V-shaped positioning strip. 2. A thin plate riveting nut device according to claim 1, characterized in that: a group of infrared grating devices are arranged in front of the gantry bracket, and the infrared grating devices are installed vertically on the control machine for emergency Control this riveting pressure cylinder to stop action immediately. 3. A thin plate riveting nut device according to claim 1, characterized in that: the interchangeable riveting jig includes a jig cover plate and a jig bottom plate, and the jig bottom plate is provided with multiple A thin plate positioning pin, the lower end of the thin plate positioning pin is embedded in the bottom plate of the jig, and several riveting through holes for the riveting column to pass are opened on the jig cover plate. 4. A thin plate riveting nut device according to claim 3, characterized in that: the front end of the jig bottom plate has a handle that is convenient for taking the jig by hand, the handle is in a T-shaped structure, and the The horizontal connection end of the handle is fixedly connected with the bottom plate of the jig; a cover handle is fixedly installed on the top of the jig cover, and a plurality of locking screws are arranged on the cover handle, and the cover handle is locked by locking The screw is fixedly connected with the fixture cover plate. 5. A thin plate riveting nut device according to claim 1, characterized in that: a jig support plate is provided below the jig positioning frame, and the jig support plate is fixedly installed on the control machine platform End face; the four corners of the riveting plate are provided with adjusting bolts that can adjust the riveting height, and lock nuts are also provided between the adjusting bolts and the riveting plate. 6. A thin plate riveting nut device according to claim 1, characterized in that: the left and right ends of the riveting plate are respectively provided with guide sleeves and guide posts passing through the guide sleeves, and the guide sleeves are inlaid with It is arranged on the riveting plate, and the guide column is vertically arranged in the gantry bracket. 7. A thin plate riveting nut device according to claim 1, characterized in that: the rear end surface of the gantry bracket is equipped with a barometer connected to the intake pipe, and the side of the control platform is equipped with a The time relay connected to the barometer.