KR100417807B1 - Auto trigger apparatus of hand rivet gun - Google Patents

Abstract

The present invention simplifies, homogenizes and standardizes the rivet flange portion closely adhered to the base material by visual or peeling, thereby achieving accurate work by only mechanical operation. It relates to a trigger device.

The present invention for this purpose, in the hand rivet gun (1) is composed of a gun handle (2) of the trigger valve switch (8) and the barrel (11) of the front insertion portion to which the rivet (3) is inserted, the cylindrical Sensor housing (5), which is coupled to the surface of the barrel (11) and transmits a force to the pusher bracket (6) by directly contacting the base end portion (12) and the opening (4) in the base material portion, the sensor housing (5). The pusher bracket 6 is coupled to the rear end of the pusher bracket 6 and transmits the force transmitted from the housing 5 to the adjusting screw 9, and the pusher bracket 6 is arranged in line with the pusher bracket 6, and then the pusher bracket 6 is returned to its original position. If possible, the return spring (10) has a built-in pusher guide (7) having a stopper function, and the pusher bracket (6) and pusher guide (7) coupled to the sensor housing (5) and the trigger valve switch ( 8) It is characterized by including an adjustment screw (9) for operating.

Description

AUTO TRIGGER APPARATUS OF HAND RIVET GUN}

The present invention relates to an automatic triggering device of a hand rivet gun that can be easily mounted and detached and operated by an operator. More specifically, the rivet flange is closely attached to the base material by visual or peeling and then riveted only by mechanical operation. The present invention relates to an automatic trigger device of a hand rivet gun that can reduce riveting scattering or reduce worker fatigue by simplifying, uniformizing, and standardizing by accurate work.

Normally, rivets are rod-shaped mechanical elements used to permanently join metal materials such as steel sheets, such as round head rivets, counter head rivets, flat head rivets, round plate rivets, pan head rivets and thin They are divided into flat head rivets, and they are inserted into the corresponding rivets and supported by the head and then deformed by hammering with a machine or hammer.

The hand operated rivet gun, which is operated manually by the machine, is composed of the gun handle of the trigger valve switch, the barrel of the front insert into which the rivet is inserted, the nail storage part according to the riveting, and the air supply part. DRIVER / PASSAGER AIR BAG For example, assembling the product, the trigger valve switch of the gun handle is repeatedly operated about 5000 to 6000 times a day for 10 points of riveting per product, which increases worker's fatigue and decreases productivity. It became.

That is, in order to rivet with the hand rivet gun, the rivet is coupled to the front insertion part of the barrel, and then the trigger valve switch of the gun handle is pressed at the corresponding point per airbag product. At this time, the riveting, that is, the rivet flange is in close contact with the base material and then riveted, the remaining nail is loaded into the nail storage portion of the hand rivet gun, and the riveting operation for each point is repeated. By the way, since the gun handle is generally composed of a male standard size, when a general female is riveting for a long time, there is a drawback that a defective product occurs due to a lack of accuracy due to the excessive wrist.

In order to solve this problem, an automatic riveting device can be developed to achieve accurate riveting in a short time, but this automatic riveting device is expensive and is applied in a large production line. In addition, when using a hand rivet gun electrically, due to the addition of a sensor and a wire, the configuration of the rivet gun is not only complicated, there is a fear that a trable may occur.

Therefore, the present inventors can convert the riveting operation with the hand rivet gun to an automatic tooling system, and develop an auxiliary trigger means that satisfies the continuous time of manual operation. The machine has been configured to allow riveting operations.

The present invention has been invented in a simple and lightweight structure by combining the auxiliary trigger means to the hand rivet gun as described above, not only to simplify the integration and configuration mechanism of the corresponding parts but also to the structure that can be easily operated by the operator The purpose is to provide an automatic trigger device of the hand rivet gun without burden on workability after attachment.

In addition, the present invention is easy to install and detach, the operator can easily operate, and the rivet flange part is closely adhered to the base material by visual or peeling, and then riveted by simplifying, homogenizing and standardizing the precise operation by only mechanical operation. This can reduce riveting scattering or operator fatigue.

1 is an exploded perspective view showing an automatic trigger device of the hand rivet gun according to an embodiment of the present invention,

2 is a perspective view combining the automatic trigger device of the hand rivet gun of the present invention,

3 is a state diagram for operating the automatic trigger device of the hand rivet gun of the present invention.

♠ Explanation of the symbols for the main parts of the drawings ♠

1: Hand Rivet Gun 2: Gun Handle

3: rivet 4: opening

5: Sensor housing 6: Pusher bracket

7: pusher guide 8: valve switch

9: adjusting screw 10: return spring

11: barrel 12: section contact

13, 14: protruding member

The present invention for achieving the above object is a hand rivet gun (1) is composed of a gun handle (2) of the trigger valve switch (8) and the barrel (11) of the front inserting portion into which the rivet (3) is inserted. In this case, the sensor housing is cylindrically coupled to the surface of the barrel 11 and the front end face contact portion 12 and the opening 4 in consideration of the ease of rivet insertion are in direct contact with the base material to transfer the force to the pusher bracket 6. (5), a pusher bracket (6) coupled to the rear end of the sensor housing (5) and transmitting the force transmitted from the housing (5) to the adjustment screw (9), in line with the pusher bracket (6) Of the pusher bracket (6) and the pusher guide (7), which are combined with the sensor housing (5) and the pusher guide (7) with a stopper function, and a return spring (10) built in to return the pusher bracket (6) to its original position after riveting. Adjusting screw (9) through the lower screw hole and operating the trigger valve switch (8) Hamhan is characterized in that.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing an automatic trigger device of the hand rivet gun according to an embodiment of the present invention, the present invention is easy to install and detach on the barrel 11 of the rivet gun (1) can be easily operated by the operator It is shown that the mechanical part of the pusher bracket 6 and the pusher guide 7 coupled to the housing 5 is visually or peeled so that the flange portion of the rivet 3 adheres to the base material (not shown) and is then riveted. It is possible to reduce riveting scattering or reduce worker fatigue by simplification, uniformity and standardization by promoting accurate work by operation alone.

That is, the hand rivet gun 1 is configured with a gun handle 2 of the trigger valve switch 8 and a barrel 11 of the front insertion portion into which the rivet 3 is inserted. The sensor housing 5 mounted on the barrel 11 has a cylindrical shape through which the inside of the bin is penetrated, and the front end face contact portion 12 and the opening portion 4 directly contact the base material to transfer the force to the pusher bracket 6. . The opening 12 can visually check the state of the rivet 3 inserted into the barrel 11, and the sensor housing 5 rotated and fixed according to the working position has a cross-sectional contact portion 12 during the riveting operation which will be described later. The rivet punching time can be adjusted according to the distance between and the rivet (3) flange . That is, the riveting time is determined by the stroke adjustment of the stroke adjustment screw 9.

The pusher bracket 6 is fixed to the rear end of the sensor housing 5 and is integrated with a plurality of screws, and a protruding member 13 is installed at a lower end of the cylindrical housing, and the force transmitted from the housing 5 is transferred to the protruding member ( Force is transmitted to the stroke adjusting screw 9 coupled to the screw hole of 13). The pusher bracket 6 not only allows the sensor housing 5 at the front end and the pusher guide 7 at the rear end to be fixed by screws in the corresponding place but also serves as a position setting.

The pusher guide (7) is arranged in a line with the pusher bracket (6) has a return spring (10) is built-in and has a stopper function to return the pusher bracket (6) after the riveting bar, which is a cylindrical protruding member at the bottom (14) is installed, and the stroke adjusting screw (9) is coupled to the lower threaded hole. Then, the return spring 10 primarily pushes the adjusting screw 9 to return the pusher bracket 6 to its original position.

Since the stroke adjusting screw 9 is fixed to the screw hole of the gun handle 2 through the pusher bracket 6 and the lower screw hole of the pusher guide 7 coupled to the sensor housing 5, the integrated pusher bracket Each press of (6) and pusher guide (7) reliably activates the trigger valve switch (8). Moreover, the stroke adjustment screw 9 can adjust a stroke externally with a driver by an operator.

Accordingly, the automatic trigger device of the present invention is the pusher bracket 6 and the pusher of the sensor housing 5 integrated into the barrel 11 of the hand rivet gun 1 into which the rivet 3 is inserted as shown in FIG. By mounting the guide 7 in contact with the trigger valve switch 8 of the gun handle 2, the rivet flange part can be closely adhered to the base material by visual or peeling, and then riveting can be performed precisely by mechanical operation.

Will be described on the basis of the operation of the present invention constituted as described above in Figure 3, Figure 3 illustrates a state diagram for operating the hand rivet gun automatically triggering device of the present invention.

As shown in Fig. 3, the automatic trigger device of the present invention is used to stably mount the barrel 11 of the hand rivet gun 1, and the screw on the barrel 11 is placed on the barrel 11 for the riveting operation. The rivet flange is contacted by inserting the rivet 3 into the riveting end face contact portion 12 of the sensor housing 5. In this state, the hand rivet gun 1 is loaded with the base material to be operated, and then the sensor housing 5 is operated.

That is, the rivet flange can be applied to the stroke-controlled sensor housing 5 under the condition that the rivet trigger valve switch 8 can be fully adhered to the base material completely. Subsequently, the pusher bracket 6 and the pusher guide 7 of the sensor housing 5 are operated with a quick switching type tooling to push the adjustment screw 9 and the valve switch 8.

Thus, the rivet (3) is riveted to the base material and the remaining nail is loaded into the nail storage of the hand rivet gun (1) while the rivet mandrel (RIVET MENDRIL) is removed and the return spring in the pusher (6) and the pusher guide (7). Returned by (10), the initial state can be riveted later. Therefore, the present invention can be converted to an automated tooling system if possible riveting with the hand rivet gun (1), and also can satisfy the continuous time of manual operation so that even female workers can be riveted by mechanical operation only. Can configure the machine

As described above, the present invention provides an automatic trigger device for a hand rivet gun that not only can simplify the integration and configuration mechanism of the corresponding parts, but also has a structure that can be easily operated by the operator and has no burden on workability after attachment. can do.

Although the technical idea of the automatic trigger device of the present invention has been described based on the exemplary drawings, this is illustrative of the best embodiments of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and imitations can be made without departing from the scope of the technical idea of the present invention.

Claims (3)

In the hand rivet gun, which is composed of a gun handle of the trigger valve switch and a barrel lamp of the front insertion portion into which the rivet is inserted When the inside of the barrel is coupled to the barrel surface and its front end contact and the opening are in direct contact with the base material, the sensor housing for transmitting the force to the pusher bracket, cylindrically coupled to the rear end of the sensor housing and A pusher bracket having a screw hole on the side of the pusher bracket, a pusher bracket arranged in line with the pusher bracket, and a pusher guide, a pusher bracket, and a pusher guide having a cylindrical shape with a screw hole at the bottom thereof. And a stroke adjustment screw for operating the trigger valve switch through a pusher bracket coupled to the sensor housing and a pusher guide coupled to the sensor housing in a state where the return spring is installed in the barrel and the barrel of the barrel. Automatic trigger device of hand rivet gun. The method of claim 1, The sensor housing is an automatic trigger device for a hand rivet gun, characterized in that the rivet stroke time adjustment is determined by adjusting the length of the stroke adjustment screw according to the distance between the end face contact portion and the rivet flange portion. The method of claim 1, The return spring primarily pushes the adjustment screw and secondly to return the pusher bracket to the original position, automatic trigger device of the hand rivet gun