JPH0354862Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention sequentially drives multiple fasteners loaded into the magazine of a driving tool for driving fasteners such as staples and bow-shaped plate metal fittings. The present invention relates to a feed mechanism that presses and supplies a driving path of a driver driven by a drive mechanism.

(Prior Art) In general, a magazine for a driving tool for fasteners such as staples is composed of a magazine body and a feeding mechanism, and includes a plurality of fasteners connected in series from the rear end of a fastener supply passage formed in the magazine body. A tool is loaded, and the pusher of the feed mechanism presses and supplies the tool to the driver feed path of the driving tool. Since the pusher enters into the supply passage and pushes the rear end of the connecting stopper, when loading a new connecting stopper into the supply passage, the pusher must be retracted from the supply passage of the magazine body. In this case, conventional methods either remove the feed mechanism including the pusher from the magazine body and then load the connecting stopper, or open the magazine main cover and push the pusher back and then load the connecting stopper. , set the pusher on the rear of it,
This is done by closing the cover.

However, the above-mentioned loading operation is troublesome, and the feeding mechanism is complicated, resulting in a large number of parts.

(Technical problem of the invention) The technical problem of the present invention is to solve the above-mentioned drawbacks and to provide a mechanism for feeding a stopper in a magazine of a driving tool, which has a particularly simple structure and allows easy loading of the stopper. shall be.

(Means for Solving the Problems) In order to solve the above problems, the stop feed mechanism in the magazine of the driving tool according to the present invention is provided in the driving path of the driver driven by the drive mechanism provided in the driving tool. In a magazine for a driving tool having a supply passage for supplying a plurality of fasteners, a slit is formed in one side wall of the supply passage along the supply direction, and a slider is provided so as to be able to reciprocate along the slit. While biasing the slider toward the driving path, a pusher member including a pressing piece that penetrates the slit and enters the supply passage can be rotated in a direction in which the pressing piece retreats from the supply passage with respect to the slider. while urging the pusher member in a direction in which the pressing piece enters the supply passage;
The present invention is characterized in that a stopper is formed near the return end of the slider and comes into contact with the return side end surface of the pusher member.

(Operations and Effects of the Invention) As described above, according to the present invention, when loading the stopper into the supply passage of the magazine body, the slider is first pulled back along the slit. At the same time, the pusher member provided on the slider also moves. The end surface of the pusher member on the return side hits the stopper of the magazine before the return end of the slider, so when the slider is pulled back further, the pusher member rotates in a direction in which its pressing piece retreats from the supply passage. This allows the stopper to be easily loaded into the supply path of the magazine body, and after loading, by relaxing the pullback force from the slider, the slider advances along the slit toward the driving path, and at the same time, the pusher member is separated from the stopper. Therefore, the pressing piece is urged to rotate again, enters the supply passage through the slit, engages with the rear end of the stopper, and presses it.

As mentioned above, the fastener feeding mechanism according to the present invention has a simple structure, and the loading operation of the fastener is easy, so that the practical effects are very large.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In the figure, symbol A indicates a driving tool. This driving tool A includes a nose member 3a having a driving passage 3a for a driver 2 driven by a drive mechanism provided inside the tool body 1, and a nose member 3a having a driving passage 3a for a driver 2 driven by a drive mechanism provided inside the tool body 1;
a magazine main body 6 having a supply passage 5 which is open to a side and stores a plurality of curved plate-shaped stops (spring plates) 4 in a connected state, and supplies the stops 4 in the supply passage 5 to the driving passage 3a. The drive mechanism drives the stopper 4 supplied to the driving passage 3a and drives it externally from the driving passage 3a by the impact of the driver 2.
The drive mechanism basically has the same structure as that installed in a known nailer, stapler, tackifier, etc., and the magazine is composed of a magazine body 6 having a fastener supply passage 5 and a feeding mechanism. , the feeding mechanism is constructed as shown below.

First, two parallel slits 7 are formed in one side wall 5a of the fastener supply passage 5 provided in the magazine body 6 along the supply direction (longitudinal direction).
A sliding guide rod 8 is provided along the slit 7 on the outside of the side wall 5a. A slider 9 is fitted into the sliding guide rod 8 so as to be reciprocally movable, and a coil spring 10 is attached thereto, and the slider 9 is urged toward the driving path 3a by the coil spring 10.

The slider 9 has a fitting hole 1 that fits into the sliding guide rod 8.
A hand grip piece 9b is provided protruding from one end of a slide block 9a having a slide block 9.
A has a support shaft 1 in a direction perpendicular to the fitting hole 11.
2 is provided protrudingly, and a pusher member 13 is attached to the support shaft 12.
is rotatably mounted.

The pusher member 13 is formed by forming a pressing piece 13b protruding from the tip of a facing piece 13a of a plate-shaped body bent in a U-shape, and is formed by forming a pressing piece 13b protruding from the tip of the opposing piece 13a of a plate-shaped body bent in a U-shape.
The support shaft 12 is supported by the opposing piece 13a. The pusher member 13 is a pressing piece 13b.
passes through the slit 7 of the magazine body 6 and rotates so as to enter the stopper supply passage 5 or retreat from the supply passage 5. Further, a biasing spring 14 is wound around the support shaft 12, and the biasing spring 14 causes the tip of the plate-like body to come into contact with the hand grip piece 9b of the slider 9, and the pressing piece 13b to press into the slit of the magazine body 6. 7 and into the stop supply passage 5. As a result, in the normal case, when the slide block 9a reciprocates along the sliding guide rod 8, the pressing piece 13b simultaneously moves through the slit 7.
A stopper 4 is loaded into the supply passage 5 by sliding therein.
engages the rear end of the

Next, the end 7 of the slit 7 on the stopper supply side
a is closed, and therefore the end face on the return side of the pusher member 13 sliding in the slit 7 hits the closed end 7a of the slit 7 near the return end of the slide block 9a, restricting further sliding movement. be done.
Therefore, the closed end 7a of the slit 7 constitutes a stopper for the pusher member 13.

In the magazine with the above configuration, the magazine body 6
When loading the connecting stopper 4 into the supply passage 5, first slide the slider 9 located at the end on the driving passage 3a side along the sliding guide rod 8 by hooking your finger on the handhold piece 9b. Pull back to the supply side. At this time, the slide block 9a and the pusher member 13 provided thereon also move back. Then, in front of the return end of the slider 9, the pressing piece 13b of the pusher member 13
The end surface on the return side near the slit 7 closes to the end 7a.
, so the pusher member 13 is not moved back any further. Therefore, when the slider 9 is further pulled back, the pusher member 13 rotates about the support shaft 12 in a direction in which the pressing piece 13b retreats from the supply passage 5 of the magazine body 6, as shown by the dotted line in FIG. As a result, the stopper 4 can be easily loaded into the magazine body 6, and after loading, by loosening the pulling force from the slider 9, the slider 9 advances along the slit 7 toward the driving path 3a, and at the same time, the pusher member 13 Since the pressing piece 13b is separated from the stopper, the pressing piece 13b is again urged to rotate and press against the slit 7.
It enters into the supply passage 5 from above, engages with the rear end of the stopper 4, and presses it.

Note that the stopper does not necessarily have to be the closed end of the slit 7. It may be configured to be separately provided at an appropriate position of the magazine body 6, such as near the return end of the slider 9 and against the return side end surface of the pusher member 13.

Further, although the above embodiment is an example of a driving tool for a curved spring plate-like fastener 4, the present invention is not limited to such a tool, and can also be applied to a driving tool for staples, nails, etc. Of course you can.

[Brief explanation of drawings]

FIG. 1 is an overall schematic view of the driving tool according to the present invention, and FIGS. 2a and 2b are perspective views of the main parts of the stopper feeding mechanism in the magazine of the driving tool, viewed from different angles. Code A...Driving tool, 1...Tool body, 3...
... Driving passage, 4... Stopper, 5... Supply passage,
6... Magazine, 7... Slit, 9... Slider, 10... Coil spring, 13... Pusher member, 13b... Pressing piece.

Claims (1)

[Scope of Claim for Utility Model Registration] In a magazine for a driving tool having a supply passage for supplying a plurality of stops to a driving passage of a driver driven by a drive mechanism provided in the driving tool, A slit is formed along the supply direction, a slider is provided so as to be able to reciprocate along the slit, and the slider is biased toward the driving path, and with respect to the slider,
A pusher member including a pressing piece that penetrates the slit and enters the supply passage is rotatably supported in a direction in which the pressing piece retreats from the supply passage. A stopper feeding mechanism in a magazine for a driving tool, characterized in that a stopper is formed that urges the stopper in the direction of movement into the magazine and abuts against the return end surface of the pusher member near the return end of the slider.