JP4066158B2 - Nailing machine driving guide mechanism - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a nailing machine in which a nail supplied to a nose portion forming a driver guide groove is driven out of the driver guide groove by a driver driven in the driver guide groove, and more particularly to a fitting or furniture. The present invention relates to a driving guide mechanism for a nailing machine capable of nailing a frame material or an inner corner of a building.
[0002]
[Prior art]
In the nail driving machine 30 in which the driving piston is driven by the power of compressed air or the like to drive the nail supplied into the nail injection port toward the driven material, as shown in FIG. A striking cylinder 33 in which a striking piston 32 is slidably accommodated is accommodated in the machine body 31, and a nose portion 35 forming a nail injection port 34 is attached below the body 31 of the nailing machine. . A magazine 36 that accommodates a large number of nails is integrally joined to the rear side of the nose portion 35, and the nails in the magazine 36 are sequentially supplied into the nail injection port 34 and integrated with the lower surface of the striking piston 32. A driver 37 attached to the nail is configured to drive the nail supplied into the nail injection port 34 onto the material to be driven.
[0003]
In nailing machines that use finishing nails or staples having a relatively small shaft diameter, connecting nails and connecting staples in which a number of finishing nails and finishing staples are connected in parallel are used. The front end portion of the straight magazine 36 that accommodates these connecting nails and connecting staples is connected to the nose portion 35. An opening for introducing the connecting nail in the magazine 36 into the nose portion 35 is formed in the nose portion 35, and a driver guide 38 is attached to the front side of the nose portion 35 so as to face this opening. A groove formed in the rear side surface of 38 forms a nail injection port 34 for receiving the leading nail in the magazine 36.
[0004]
[Problems to be solved by the invention]
In a normal nail driver, the nail driven by the driver 37 from the nail injection port 34 is driven in a straight line toward the front of the nail injection port 34. Therefore, as shown in FIG. When nailing the to-be-bonded material 41 to the inner corner of the 40 corner, the body 31 of the nailing machine 30 hits the front to-be-laden material 39 and the nail injection port 34 is installed in the vertical direction. Therefore, the nail driver 30 is driven obliquely, but the driven nail enters the diagonal direction, and the tip portion protrudes through the front member 39, and the to-be-bonded material 41 is removed. The member 40 may not be able to strike.
[0005]
Further, in the conventional construction in which the glass plate 43 fitted in the frame body 42 such as a door or door of a fitting or furniture is fixed by the holding frame material 44 as shown in FIG. 7, the step formed on the frame body 42 is used. The fitted glass plate 43 is fixed by driving a nail N vertically in a groove 44a formed on the upper surface of the holding frame member 44 from the step portion side and fixing the nail to the frame body 42. When the nail driving device 30 is used to nail the holding frame member 43, the tip of the nail injection port 34 is positioned in the groove 44a of the holding frame member 44 as shown by the chain line in the figure. Hits the glass plate 43, the nailing machine 30 is directed in an oblique direction. If nail driving is performed in this state, the tip of the nail N hits the glass plate 43 and the glass plate 43 is damaged.
[0006]
The present invention solves the above-described problems in the prior art, and even when nailing the corner inside the corner, the tip of the nail can be driven without protruding forward, and the glass is applied to the frame. It is an object of the present invention to provide a nailing machine for a finished nail that does not damage a glass plate even when nailing a holding frame member for fixing the plate.
[0007]
In order to solve the above problems, the driving guide mechanism in the nailing machine according to the present invention includes a hammering cylinder in which a hammering piston is slidably accommodated in a hollow housing forming the body of the nailing machine, A nose portion in which a driver guide groove is formed in the lower part of the housing is provided , and the striking piston is driven by introducing the compressed air into the striking cylinder from an air chamber storing compressed air, and is coupled to the striking piston. in the nailing machine in which the nail injection mouth supplied nails to hammer out from the injection port toward a nailed by the driver, to form a nail injection port which is continuous with the driver guide groove in the tip of the nose portion A curved guide that guides the shaft portion of the nail that is driven out from the nail injection port toward the rear side of the nail driver, by arranging the driving guide member that is placed To form a, the driving guide member, characterized in that the screw fixed to the nose portion.
[0008]
According to a second aspect of the present invention, the nail injection port is formed by a driver groove formed in a front guide plate forming a driving guide member, and the curved guide surface is formed in a lower portion of the front guide plate. It is characterized by being.
[0009]
Further, the invention according to claim 3 is characterized in that the curved guide surface of the driving guide member is configured such that the curved surface can be retracted from the operating locus of the driver by the protrusion of the driver.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings. FIG. 1 shows a finishing nailing machine 1 driven by compressed air, which forms a driving guide mechanism according to an embodiment of the present invention, and forms a body of a nailing machine in which a grip portion 2 is integrally formed. A striking cylinder 5 in which a striking piston 4 is slidably accommodated is disposed in a hollow housing 3, and a driver 6 for striking a nail is integrally coupled to the lower surface of the striking piston 4. A nose portion 8 forming a driver guide groove 7 is attached to the lower portion of the housing 3, and the driver 6 is slidably guided in the driver guide groove 7 of the nose portion 8. A magazine 9 is connected to the rear side of the nose portion 8 and accommodates connecting nails connected to each other in a parallel state. A nail supply mechanism 10 formed in the magazine 9 causes the nails in the magazine 9 to be connected to the nose. The parts 8 are sequentially supplied into the driver guide groove 7.
[0011]
A main valve 11 is disposed at the upper end of the striking cylinder 5, and the main valve 11 selectively connects between the air chamber 12 formed inside the grip portion 2 and the exhaust port in the striking cylinder 5. . The air chamber 12 is connected to a compressed air supply source via an air plug 13 attached to the rear end of the grip portion 2, and the main valve 11 connects the inside of the striking cylinder 5 to the air chamber 12, whereby the air chamber 12 is connected. The compressed air inside is introduced into the striking cylinder 5 and the striking piston 4 is driven. A trigger valve 14 for controlling the main valve 11 is disposed at the base of the grip part 2, and the trigger valve 14 is operated by a trigger mechanism 15 formed at the lower part of the grip part 11. ing.
[0012]
The trigger mechanism 15 is driven manually by a trigger lever 16 formed at the lower portion of the grip portion 11 and a driving guide member 17 whose tip is disposed at the tip of the driver guide groove 7 of the nose portion 8. The trigger valve 14 is operated by two operations of pressing the material surface. The driving guide member 17 forms a nail injection port 18 that is continuous with the driver guide groove 7 of the nose portion 8, is slidably supported by the nose portion 8, and the tip portion is the driver guide groove of the nose portion 8. 7 protrudes in the direction of the tip, and comes into contact with the surface of the material to be driven when nailing. A contact arm is connected to the driving guide member 17, and an upper end of the contact arm is disposed in the trigger mechanism 15, and the trigger mechanism 15 is operated by operating the driving guide member 17 by the driven material. The trigger valve 16 can be operated by the trigger lever 16.
[0013]
The driving guide member 17 includes a front guide plate 20 and a rear guide plate 21, and a nail injection port 18 is formed between the guide plates 20 and 21. As shown in FIG. 2, a driver groove 22 forming a nail injection port 18 is formed on the back surface side of the front guide plate 20 of the driving guide member 17, and the driver groove 22 and the nail are formed by the driver groove 22. N is guided along the driving direction. A curved guide surface 23 curved toward the rear side is formed at the distal end portion of the front guide plate 20 of the driving guide member 17, and the curved guide surface 23 is driven out into the nail injection port 18 in the distal direction. The shaft portion of the nail N is guided toward the rear side of the nail driver 1.
[0014]
The front guide plate 20 forming the driving guide member 17 is fixed to the rear guide plate 21 by screws 24, and the front guide plate 20 forming the curved guide surface 23 is damaged or is usually In the case of driving, the front guide plate in which the curved guide surface 23 is not formed can be easily replaced. Further, the front guide plate 20 is made of a metal material having elasticity so that when the driver 6 operates to the curved guide surface 23 of the front guide plate 20, the portion of the curved guide surface 23 can be deformed forward by the driver 6. Is formed. A lower end portion of the front guide plate 20 on which the curved guide surface 23 is formed is formed so as to protrude downward from the rear guide plate 21.
[0015]
The operation state at the time of driving a nail into the corner inside the corner by the nailing machine 1 employing the driving guide mechanism of the present invention will be described below with reference to FIGS. Before the nailing machine 1 is started, as shown in FIG. 3, the connecting nail loaded in the magazine 9 is pressed from the rear end by the nail supply mechanism 10, and the leading nail N is the driver of the nose portion 8. It is arranged in the guide groove 7. When the tip of the front guide plate 20 of the driving guide member 17 is disposed in the groove 25a formed in the frame member 25 which is a material to be secured and the nail driver 1 is pressed against the frame member 25, the driving guide member 17 is pressed. The contact arm connected to the driving guide member 17 is operated relative to the housing 3 of the nail driver to operate the trigger mechanism 15 and the trigger lever 16 is operated to start the nail driver 1.
[0016]
The driving piston 4 in the driving cylinder 5 is driven and the driver 6 coupled to the driving piston 4 drives the nail N in the driver guide groove 7 toward the nail injection port 18 of the driving guide member 17. When the leading end of the nail reaches the curved guide surface 23 formed below the front guide plate 20 by being guided by the nail ejection port 18, the leading end of the nail N extends along the curved guide surface 23 to the rear side of the nail driver 1. To the frame member 25 at an angle different from the inclination angle of the nail driver 1 with respect to the frame member 25. While the driver 6 drives the nail along the nail ejection port 18 of the driving guide member 17, the shaft portion of the nail N abuts on the curved guide surface 23 and is guided toward the rear side. The frame material 25 is driven and entered toward the rear side different from the inclination angle of the nailing machine 1.
[0017]
The driver 6 for hitting the nail is guided linearly by the driver guide groove 7 of the nose portion 8, and when this driver 6 reaches the curved guide surface 23 of the front guide plate 20 of the driving guide member 17, As shown in FIG. 5, the front guide plate 20 is displaced by being brought into contact with the driver 6, and there is no obstacle to the driver 6 operating in a straight line. At this time, the nail N has completely fixed the frame member 25, and the driving guide member 17 is first installed on the shaft portion of the nail N that has penetrated the frame member 25 and reached the fixing member 26. It has entered toward the rear side from the position, and does not protrude to the front side or damage the glass plate.
[0018]
In addition, you may make it attach to the driver guide plate 27 so that the injection port formation member in which the curved guide surface 23 was formed in the separate residence can be attached or detached.
[0019]
As described above, according to the driving guide mechanism of the present invention, the driving guide member forming the nail injection port is disposed at the tip of the nose portion, and the nail is formed below the nail injection port of the driving guide member. A curved guide surface that guides the shaft of the nail punched out from the injection port toward the rear side of the nailing machine is formed, so the nail driven by the driver is guided backward at the tip of the nail injection port. The nail driving angle can be driven into the material to be driven at an angle different from the inclination of the nail driver, and the tip of the nail protrudes through the front member. In addition, it is possible to nail and avoid members such as glass. Since the driving guide member is screwed and fixed to the nose portion, the replacement can be easily performed in the case of breakage or the like.
[0020]
According to the invention of claim 2, since the driver groove that defines the nail injection port is formed in the front guide plate that forms the nail injection port of the driving guide member, until the nail driving is completed Since the shaft portion of the nail can be guided from both sides by the curved guide surface, the nail driving state can be stabilized.
[0021]
Further, according to the invention of claim 3, since the curved guide surface is configured to be retractable from the driver's operation locus by the protrusion of the driver, the driver is deformed and damaged by the nail driving operation. It is possible to improve durability.
[Brief description of the drawings]
1 is a longitudinal side view of a nailing machine implementing a driving guide mechanism of the present invention. FIG. 2 is a perspective view of a front guide plate constituting a driving guide member of the nailing machine of FIG. [Figure 4] Vertical side view of the activated state during nailing operation with the nailer of FIG. 1 [Figure 4] Vertical side view of FIG. 3 in the state where the nail is being driven [Figure 5] State where the nail driving is completed Fig. 6 is a side view of the same vertical section as Fig. 3. Fig. 6 is a vertical side view showing a state of driving a nail into a corner by a conventional nailing machine. Fig. 7 is a method of fixing a glass plate to a frame member by a conventional nailing machine. Vertical side view showing condition [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Nail driver 4 Impact piston 5 Impact cylinder 6 Driver 7 Driver guide groove 8 Nose part 17 Driving guide member 18 Nail injection port 20 Front guide plate 21 Rear guide plate 22 Driver groove 23 Curved guide surface 24 Screw 25 Frame material 26 Covered Fastening material 27 Driver guide plate

Claims (3)

A striking cylinder in which a striking piston is slidably accommodated is disposed in a hollow housing that forms the body of the nailing machine, a nose portion having a driver guide groove formed in the lower portion of the housing , and compressed air is supplied. The striking piston is driven by introducing compressed air from the stored air chamber into the striking cylinder, and the nail supplied into the nail ejection port by the driver coupled to the striking piston is driven from the ejection port. in the nailing machine as set out towards the implantation guide member forming a nail injection port which is continuous with the driver guide groove in the tip of the nose portion is disposed, nails exit of the ball striking write guide member threaded shaft portion of the nail hammered out from the nail injection port to form a curved guide surface for inducing rearward side of the nailing machine in the lower part, the driving guide member to the nose portion of the Hammering guide mechanism of the nailing machine, characterized in that the fit fixing.   The nail injection port is formed by a driver groove formed in a front guide plate forming a driving guide member, and the curved guide surface is formed in a lower portion of the front guide plate. The nailing machine driving guide mechanism according to claim 1.   3. The member forming the curved guide surface of the driving guide member is configured such that the curved surface can be retracted from the operating locus of the driver by protrusion of the driver. The nailing machine driving guide mechanism described.

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