JP2566304Y2 - Nail driving magazine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magazine for a nailing machine, and more particularly to an improvement in a magazine for a nailing machine in which a large number of nails are arranged and stored.

[0002]

2. Description of the Related Art Conventionally, a hand-held type nailing machine using a driving source of compressed air or the like has been known. A nose serving as a nail driving portion protrudes from the body of the nailing machine. One end of the nose serves as a nail-feeding side end of a long magazine body (a nail-feeding side end). Are used by being assembled and fixed integrally.

The magazine body has left and right side plates facing each other with a nail storage space interposed therebetween. Each nail of the connecting nail stored in the magazine body is pushed out by a nail sending member (a pusher plate), and the left and right sides are pushed out. The nails are sent out one by one into the nose while being guided from both sides by the side plates. Then, the nail sent out into the nose is vigorously hit by a driver member that moves rapidly down the nose, and is driven out from the nose. Here, the whole of the magazine main body including the left and right side plate portions is made of an aluminum alloy which is integrally extruded to reduce the weight and facilitate the production.

Since the magazine body is integrally assembled and fixed to the nose, the vibration generated by the nailing machine body is transmitted to the magazine body when the nail in the nose is hit by a driver member. . When the magazine body vibrates due to this vibration transmission, the housed nail group vibrates, and the shaft portion and the head of the nail strike the left and right side plates.

[0005]

However, the nail housed in the magazine body is formed of a hard steel material, and the material is harder than the magazine body (aluminum alloy). Therefore, on the inner wall surfaces of the left and right side plate portions of the magazine body, the portion where the vibrating nail strikes gradually wears out, and the worn portion is dented in a concave shape due to long-term use, and the nail is caught in the concave portion and the nail is smoothly moved. Can not be sent to

Further, since the magazine body, the nail and the nail feed member are made of the same material of metal (the magazine body and the pusher plate are made of an aluminum alloy and the nail is a hard steel material), the nail is hard to slip and lacks abrasion resistance. .

Further, when the magazine body is made of a metal material (aluminum alloy), since the total weight of the nailing machine is heavy, the workability is poor, and it is desired to reduce the weight in terms of reducing the fatigue of the arm of the worker.
In addition, when the nailing machine is accidentally dropped, the impact of the falling is large and the nailing machine is easily damaged.

Accordingly, the present invention has been made to solve the above-mentioned problem, and the weight of the magazine body is light, the slip between the nail and the magazine body is good, and the wear caused by the vibration of the nailing machine is small. An object of the present invention is to provide a magazine for a nail driving machine.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a magazine body having a nail accommodating space for accommodating nails. Integrated into the nailing section of the machine,
In a magazine for a nailing machine that automatically feeds a nail to a nose portion, the magazine body is formed of resin,
An abrasion preventing member for preventing abrasion of the inner wall is provided on an inner wall surface portion of the magazine body where the head of the nail abuts.

[0010]

A large number of nails (connecting nails) are loaded in the nail storage space of the magazine body. If you use a nailing machine in this state,
The driver of the nail driving section reciprocates and hits and drives the nails sequentially sent out by the pusher. The impact causes the nailer to vibrate, which is transmitted to the magazine body. However, the upper portion of the inner wall surface of the magazine body (the portion facing the head of the nail) is provided with a hard metal abrasion preventive material, so that the upper portion of the inner wall surface of the magazine body does not wear.

If the magazine body is made of resin, the total weight is light, and the wear preventing member is used only for a portion where vibration is large, and the other portions are made of resin. Therefore, the portion where the nail in contact with the magazine main body in the feeding process is almost made of resin, so that the nail slides well.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. As shown in FIG. 1, a nailing machine N includes a nailing machine main body 1 for hitting a nail by a rod-shaped driver provided in a striking piston cylinder mechanism driven by compressed air, and a plurality of nails (connecting nails). ) Is stored in the magazine body 21.

The nail driving machine body 1 serves as a body 2 accommodating the hitting piston cylinder mechanism and a driver, a nose 3 for driving a nail by hitting the driver, and a trigger for driving the nail. It is composed of a trigger 4 and the like. Reference numeral 5 denotes a contact arm. When the contact arm 5 is pressed against a material to be driven (not shown), the flow path of the compressed air is switched, and the nail 4 is started to be hit by pulling the trigger 4. .

As shown in FIGS. 1 to 4, the magazine main body 21 has a long magazine case 22 and a magazine cover 23 which are arranged to face each other in parallel with each other. Is formed with a storage space 24 for storing the connecting nail 40a. Here, connecting nail 4
Reference numeral 0a denotes a configuration in which the individual nails 40 are connected at predetermined intervals by a connecting member made of plastic or the like. The case 22 and the cover 23 are formed by injection molding a resin, and the upper and lower portions thereof are fixed by screws (not shown).
At the center of the inner wall surface between the magazine case 22 and the magazine cover 23, the pointed end of the nail 40 is
Projecting ridges 22a and 23b for preventing collision with the projection 3 are extended.

In the magazine body 21, a connecting nail 4 is provided.
A pusher made of metal which is brought into abutment with the rear side of the last nail 40a and pushes out the whole connecting nail 40 toward a nail supply opening (not shown) formed on one side of the nose 3. Board 2
5 is slidably disposed. The push-out mechanism for the pusher plate 25 includes a mainspring shaft 26 on which a rotatable mainspring drum 27 is mounted.
A spiral spring 28 is wound around the outer periphery of 7. Then, the left end of the mainspring 28 is fixed to the vicinity of the tip of the magazine body 21, and the pusher plate 25 is constantly urged toward the nose 3 to push the connecting nail 40a into the nose 3.
Pressed to the side. Reference numeral 33 denotes a finger hook for pulling the pusher plate 25 toward the rear end of the magazine body 21 against the resilience of the mainspring 28. The finger hook 33 is an elongated member formed in the magazine case 23. From the window 23a. Reference numerals 35a, 35b
(See FIG. 1) are screws for fixing the magazine main body 21 to the nail driving machine main body 1.

In the magazine main body 21, a "abrasion prevention member" having a U-shaped cross section for guiding the head 40b of the nail 40 in a straight line is provided on the front half of the nose 3 side of the magazine main body 21 in a straight line. A certain guide rail 29 is sandwiched and extended between the magazine case 22 and the magazine cover 23,
In the center of the magazine body 21, a nail storage space 24 is provided.
A metal intermediate guide 31 having a U-shaped cross section is provided to reinforce the metal body, and a metal tail guide 32 for reinforcing and protecting this rear end is sandwiched at the rear end of the magazine body 21. ing. The guide rail 29 is the head 40 of the nail 40
b has a function of preventing abrasion with the intermediate guide 31.
Functions to reinforce the entire magazine body 21 made of resin together with the guide rail 29. The tail guide 32 functions to reinforce the rear portion of the magazine main body 21 and to prevent damage when the rear portion collides with an object such as concrete.

With this configuration, the connecting nail 40a is loaded into the nail storage space 24 of the magazine body 21, and when the nailing machine N is used in this state, the nail driving section (body 2, nose 3) The driver reciprocates and hits and nails the nails sequentially sent out by the pusher 25 individually. Due to this impact, the nail driving machine main body 1 generates vibration, and this vibration is transmitted to the magazine main body 21. However, since the guide rail 29 is provided on the upper part of the inner wall surface of the magazine body 21 (the part facing the head 40b of the nail 40), the upper part of the inner wall surface of the magazine body 21 does not wear.

Further, since the magazine body 21 is made of resin, the total weight is light,
Is used only for a portion where vibration is large, and the other portions are made of resin. Therefore, since the portion where the nail 40 is in contact with the magazine body 21 in the feeding process is almost made of resin, the nail slides well.

In the present embodiment, the width of the intermediate guide 31 is relatively small. However, if the width of the intermediate guide 31 is widened, the magazine case 22 formed by the tip of the nail 40 vibrating can be used.
Thus, wear of the magazine cover 23 can be prevented.

[0020]

[Effects of the Invention] As described above, according to the present invention,
The magazine body is made of, for example, resin, and a hard metal abrasion prevention member is provided at a key contact portion with the nail, so that the slip of the nail becomes good and the wear of the inner wall of the magazine body can be prevented,
In addition , the sliding with the nail sending member (the pusher plate) is improved, and the total weight of the entire nailing machine is reduced, so that the fatigue of the worker can be reduced.

[Brief description of the drawings]

FIG. 1 is a cutaway sectional view of an embodiment of the present invention.

FIG. 2 is a sectional view of the magazine body taken along line II-II in the embodiment.

FIG. 3 shows III-III of the magazine body in the embodiment.
It is sectional drawing which follows a line.

FIG. 4 is a view on arrow P in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Nail driving machine main body 2 ... Body 3 ... Nose (nail driving part) 21 ... Magazine main body 22 ... Magazine case 23 ... Magazine cover 24 ... Nail storage space 25 ... Pusher plate 29 ... Guide rail (anti-wear member) 31 ... Intermediate guide 32 ... Tail guide 40 ... Nail 40a ... Connection nail 40b ... Nail head

Claims (1)

(57) [Scope of request for utility model registration] 1. A nail delivery tip of a magazine body having a nail storage space for storing nails is integrally attached to a nail driving portion of a nail driver in which a driver member reciprocates. In the magazine of a nailing machine that automatically sends out to the nose part, the magazine body is formed of resin
And a wear prevention member for preventing wear of the inner wall is provided on an inner wall portion of the magazine body where the head of the nail abuts.