JP2002086368A - Nailing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nailing machine established with a less number of parts items and functioning to unlock a pusher of a staple coupling by two motions when staples are to be charged. SOLUTION: The nailing machine is equipped with a staple guide 9 installed near a staple insert hole for guiding the staple coupling to the staple insert hole and a staple supplying mechanism 12 installed at the tail of the guide 9 for energizing the staple coupling to the advance/retreat region of a staple driver, wherein the staple supplying mechanism 12 is equipped with pusher 13 to move the staple coupling along the guide 9 toward the staple insert hole, and a swinging element 16 to make swinging owing to a ridge 24 and a groove 25 is installed inside the pusher 13, and a knob 30 to be pressed to actuate swinging is provided in the upper part of the swinging element 16, while in the lower part of the swinging element 16 a hitch part 31 is provided capable of being hitched at the tail of the guide 9 in such a way that the hitch is released when the knob 30 is pushed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nail driving machine for driving a staple, which is an example of a nail, into a target, and more particularly, to a staple guide for holding a staple connector, and connecting the staple connector to an advance / retreat passage of a staple driver. The present invention relates to a nailing machine provided with a pusher for urging a nail.

[0002]

2. Description of the Related Art Conventionally, a nailing machine of the type for driving staples is known which is equipped with a staple guide for holding a staple connection body formed by stacking staples in parallel. The staple guide is arranged near the staple driving nozzle of the nailing machine main body. Inside the staple driving nozzle, a staple driver that drives staples into a target such as wood is arranged to be able to advance and retreat, and the staple driver is attached integrally to a piston that reciprocates by compressed air supplied into the cylinder, for example. Have been.

A staple insertion port is formed in an advancing / retreating path of the staple driver of the staple driving nozzle, and a staple guide for holding a staple stack is attached to a lower portion near the staple insertion port. As is well known, a pair of shafts driven into wood or the like are connected at a right angle at an upper end, and the staple connection body has a substantially U-shaped cross section.
The staple guide is slidably held between the U-shaped staple guides.

A staple guide is slidably mounted with a pusher that presses the staple link toward the staple slot, and the pusher is biased by a spring to press the staple link toward the staple slot. ing. The pusher has a hook portion for stopping at the terminal of the staple guide when the staple link is loaded into the staple guide, and when the hook portion is removed, the pusher pushes the staple link toward the staple input port by the spring. And press it.

[0005]

However, in the case of such a nailing machine, since the hook of the pusher is merely hooked on the hook and the terminal of the staple guide, the hook is easily detached. If care is taken in the interior work and careless loading of the staple connection body is concerned, there is a concern that the hook portion is easily detached and the hand or finger is pinched by the pusher. In addition, there has been a problem that the mechanism is complicated and the number of parts is increased even though the hook portion is easily released.

The present invention has been made in view of such a problem, and the pusher is released by two operations when the staple assembly is reloaded, so that the pusher can be inadvertently or inadvertently. It is an object of the present invention to provide a low-cost nailing machine which prevents detachment, has a simple structure, and has a small number of parts.

[0007]

According to a first aspect of the present invention, there is provided a nail driving machine for driving a staple into a staple input port of a staple driver for driving a staple toward a target. A staple guide that is disposed in the vicinity and holds the staple connection body formed by laminating a plurality of the staples outside, and guides the staple connection body to the staple input port, and the staple is provided at a terminal portion of the staple guide. A nailing machine provided with a staple supply mechanism for urging the connected body toward an advance / retreat area of the staple driver, wherein the staple supply mechanism slides the staple connected body along the staple guide to form the staple connected body. A pusher is provided for moving toward the staple insertion port, and the stay is provided in the pusher. A swinging member that is held so as to be swingable about a rotation center line orthogonal to the rotary guide, and a knob portion that protrudes outside the pusher and presses for the swinging operation is formed at an upper portion of the swinging body; A latch portion is formed at a lower portion of the rocking member and can be latched on a terminal portion of the staple guide, and the latch portion is released by a pressing operation of the knob portion.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A nailing machine according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 5 shows a main part of the nailing machine according to the embodiment. The handle 2 of the nailing machine main body 1 is provided with a coupler 3 for introducing compressed air.
The compressed air introduced from the coupler 3 is introduced into the cylinder head 5 above the handle 2 by pulling the trigger 4. A cylinder section 6 is provided at the front of the cylinder head section 5, and a piston (not shown) is built in the cylinder section 6. A staple driver for driving staples is integrally attached to the piston.
The staple driver reciprocates in the reciprocating passage inside the staple driving nozzle 7 with the reciprocation of the piston.

A staple guide 9 is detachably mounted in the vicinity of a staple insertion port 8 in an advance / retreat passage of a staple driver for driving a staple into a target. As shown in FIG. 2, the staple guide 9 is for holding a staple connector 11 formed by stacking a plurality of staples 10 on the outside, and guides the staple connector 11 to the staple insertion port 8.

At the end of the staple guide 9, a staple supply mechanism 12 for urging the staple connector 11 toward the staple driving nozzle 7 is provided.

The staple supply mechanism 12 is composed of three components, a pusher 13, an oscillating body 16 and a spring 26 so that the number of components is reduced and the cost is reduced. Is provided toward the staple insertion port 8. The pusher 13 includes a box-shaped portion 14 and a pusher plate 15 as shown in FIG. The box-shaped part 14 and the pusher plate part 15 are formed integrally, and a rocking body 16 is held inside the box-shaped part 14 so as to be able to rock.

The pusher plate 15 formed so as to protrude above the box-shaped portion 14 has a U-shaped cross section so as to uniformly support the pair of insertion shafts of the staple connector 11. The pusher plate 15 holds the front and back surfaces of the staple guide 9 so as to hold it (see FIG. 1), and is slidable along the staple guide 9.

A pair of guide claws 18 are formed at the center of the pusher plate 15 along a guide groove 17 formed at the center of the staple guide 9. The guide claw 18 prevents the staple guide 9 of the pusher 13 from wobbling in the width direction.

A connecting portion 20 for connecting a connecting plate 19 connected to a lower end portion of the handle portion 2 is formed at a terminal portion of the staple guide 9, so that the staple guide 9 is prevented from wobbling. I have. Reference numeral 21 denotes a bolt hole for fixing the distal end of the connection plate 19, 22 denotes a staple cover (see FIG. 2), and 23 denotes a staple cover 22.
This is a hinge portion for supporting the.

As shown in FIG. 1, the oscillating body 16 is substantially rotatable with the ridge 24 having an arc-shaped cross section formed on the upper wall surface 14A of the box-shaped portion 14. The same arc-shaped groove portion 25 is provided. The groove 25 and the ridge 24 extend in a direction orthogonal to the longitudinal direction of the staple guide 9, and allow the swinging body 16 to swing.

The left and right ends 16R, 16L of the rocking body 16 can slide against the left and right side walls 14R, 14L of the box-shaped portion 14.

The inside of the oscillating body 16 is a space 27 for holding a metal spring 26 wound in a spiral shape. A circular recess wall surface 28 for holding the spring 26 is formed. A portion of the box-shaped portion 14 on the staple guide 9 side is open, and an opening for inserting the spring 26 and passing the spring 26 through the groove portion 17 is provided on a portion of the rocking body 16 on the staple guide 9 side. 29 are formed.

The lower end side of the box-shaped portion 14 of the rocking body 16 protrudes outside the box-shaped portion 14, and a knob portion 30 and a hook portion 31 are formed. Oscillator 16
By inclining the knob portion 30 toward the box-shaped portion 14, it is possible to swing around the ridge portion 24, and the hook portion 31 rises. The hook part 31 is a hook part 32 formed at the end of the staple guide 9.
Can be hooked on.

That is, as shown in FIGS. 3 and 4, when the pusher 13 is pulled toward the end of the staple guide 9 against the winding force of the spring 26, the inclined wall surface 33 of the rocking body 16 becomes a box-shaped portion. The swinging body 16 is tilted by being pushed by the upper wall surface 14A of the groove 14, and the hook portion 31 slides on the groove portion 17, but when reaching the terminal end of the groove portion 17, the groove portion 17
Then, the hook portion 31 is hooked on the hook portion 32. As a result, the pusher 13 enters the locked state, and opens the staple cover 22 along the hinge 23,
The staple connector 11 can be mounted.

After the staple connector 11 is loaded into the staple guide 9, the upper wall surface 14A
, The middle finger 34 is hung on the lower end side of the staple guide 9, and then the thumb 35 is used to push the knob 35 toward the box-shaped portion 14, whereby the rocking body 16 swings around the ridge 23, The hooking state between the hook portion 31 and the hooking portion 32 is released. Thereby, the pusher 13
Is urged toward the staple driving nozzle 7 by the force of the spring 26, and the staple connector 11 is slid toward the staple driving nozzle 7 so that the staple 10 can be supplied to the advance / retreat passage of the staple driver.

[0022]

According to the nailing machine of the first aspect of the present invention, when the pusher is hung on the end of the staple guide when reloading the staple assembly, the pusher is moved away from the staple input port, and the knob portion is moved. The pusher is released from the latched state by the two operations of rocking, so that the pusher is prevented from coming off by the spring due to inattentiveness or carelessness, and the hand or finger is pushed with the pusher when reloading the staple connection It is prevented from being pinched, the configuration is simple, the number of parts is small, the cost is low, and the cause of failure is small.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of a staple guide terminal of a nailing machine according to an embodiment of the present invention.

FIG. 2 is an enlarged view of the vicinity of a terminal portion of the staple guide.

FIG. 3 is a diagram showing a locked state of the pusher of FIG. 2;

FIG. 4 is a sectional view of the pusher shown in FIG. 3 in a locked state;

FIG. 5 is a schematic diagram showing the overall shape of the nailing machine according to the embodiment of the present invention;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Nailing machine 7 Staple driving nozzle 8 Staple insertion port 9 Staple guide 10 Staple 11 Staple link 12 Staple supply mechanism 13 Pusher 14 Box-shaped part 16 Oscillator 24 Convex part 25 Groove part 30 Knob part 31 Hanging part

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Tomonori Ichiba 6-6, Hakozakicho, Nihonbashi, Chuo-ku, Tokyo F-term (reference) 3C054 CB01 CD05 CD11 CE01 CE11 CF14 3C068 AA04 AA07 CC02 FF01 HH09 JJ05

Claims (1)

[Claims] 1. A staple connector comprising a plurality of stacked staples, which is arranged near a staple insertion port in an advancing and retreating path of a staple driver for driving staples into a target, is held outside the staple. A nailing machine comprising a staple guide for guiding a connected body to the staple insertion port, and a staple supply mechanism for urging the staple connected body toward an advance / retreat area of the staple driver at a terminal portion of the staple guide; The staple supply mechanism includes a pusher that slides along the staple guide to move the staple assembly toward the staple insertion port, and a rotation center orthogonal to the staple guide in the pusher. An oscillating body that is held to be swingable about a line; A knob is formed at an upper part of the body to protrude outside the pusher and is pressed for the swinging operation, and a lower part of the swinging body can be hooked on a terminal portion of the staple guide, and the pressing of the knob is performed. A nailing machine characterized by forming a latch portion for releasing the latch by operation.