JPH058183A - Nail collecting device of nail pilling machien - Google Patents

Abstract

PURPOSE:To enable collection of pulled-out nails by constituting an entrance part which is wide enough to accommodate a head part of a nail pulled out by a claw, a passage part of reduced diameter and a collecting part of the nails discharged from the exit of the passage part. CONSTITUTION:A collecting device 60 is comprised of an entrance part 61 which is provided with a relatively large opening to accept head parts of pulled out nails, a passage part 62 which is smaller than the opening through which nails pass, and a collecting part 64 which is provided at the exit side of the passage part. The entrance part 61 is integrated with a nose 40 of a nail claw, penetrates a lid part 65 of the collecting part 64 and is provided in the collecting part 64 in an extending manner. The collecting part 64 is formed as a container fixed by the end part of a handle 38. In this constitution, a nail 56 pulled out by a claw 41 is withdrawn into the nose 40 and fed to the entrance part 61, passes through the passage part 62 and enters the collecting part 64. The nail never moves in a reverse direction due to the smaller diameter of the passage part 62.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power type nail pulling machine for pulling out nails driven into wood or the like, and more particularly to a collecting device for accommodating the pulled nails.

[0002]

2. Description of the Related Art Generally, nails driven into wood are pulled out using a hand tool with a claw such as a bar formed at the tip, but this is a troublesome work, and the scaffolding is also difficult. If it is bad, it may be dangerous. Therefore, if this nail pulling work can be done with a power type nail pulling machine, the work will be easier,
Safety is also improved.

As a power-type nail pulling machine, there has been proposed one which removes nails driven into wood by driving. This power-type nail-pulling machine punches the nail from the wood in the opposite direction by driving the tip of the nail jumping out of the wood in the opposite direction, which is convenient because it does not require manual nail-pulling work. However, this power nailing machine drives the tip of a nail in the same manner as a nailing machine, and causes the nail to jump out suddenly, which may cause harm to workers and people around the operator. Also,
If the tip of the nail does not come out of the wood, there is the inconvenience that the nail cannot be driven out. Further, if the tips of the nails cannot be reliably grasped, the nails may not be ejected well.

[0004]

Therefore, there has been proposed a power-type nail pulling machine for pulling in the nail by driving the nail into the nail head. In this nail pulling machine, the treatment of the pulled nails has not been considered yet.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a collection device for accommodating nails pulled by a power nailer.

[0006]

In order to achieve the above object, according to the present invention, a cylinder is formed in a cylindrical body, and a piston is reciprocally disposed in the cylinder.
A handle for handheld extends from the main body, the piston rod extends from the main body through the nose, and a claw for nail pulling is provided at its tip, and by pulling the trigger provided on the handle, A nail puller with a structure in which pressurized air is introduced into the cylinder, the crow at the tip of the piston rod is pulled toward the main body, and the nail locked in the crow is pulled out. A nail removing machine comprising: a relatively large opening for receiving a nail, a passage portion thinner than the opening for passing the received nail, and a nail collecting portion provided on the outlet side of the passage portion. Will be provided.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. First, before describing the collecting device of the nailer according to the present invention, the nailer itself will be described.
FIG. 1 shows a first example of a nail pulling machine. The nailing machine 1 has a cylindrical main body 2, the main body is formed into a cavity, and a cylinder 3 is formed therein.
The piston 4 is reciprocally arranged. A hand-held handle 5 extends from the main body 2, a rod 6 of a piston 4 extends from the main body 2 through a nose 7 at one end of the main body 2, and a claw 8 for nail removal is provided at the tip of the rod. ing. Pressurized air is supplied to the cylinder 3 through a pipe 9, and the start and stop of the supply of the pressurized air are controlled by a trigger 10 provided on the handle 5. Therefore, if you pull the trigger 10 of the handle 5,
Pressurized air is directly introduced into the end portion of the cylinder 3 on the nose 7 side, the piston 4 is moved upward in FIG. 1, and the claw 8 at the tip of the rod 6 is drawn toward the main body side. By pulling in the crow 8, the nail whose head is locked to the crow 8 is pulled out from the side of the head.

2 and 3 show a second example of the nail pulling machine. This nailer 13 has a cylindrical body 14 and
A cylinder 15 provided inside the main body, a piston 16 reciprocally arranged in the cylinder 15, and a main body 1
4 for a hand-held handle 17 extending from 4 and a cylinder 15
A rod 18 which is provided on one side and extends from the piston 16
It has a nose 19 for receiving and a claw 20 for nail removal provided at the tip of the piston rod. And
This nailer 13 has a main valve 21 provided between the one side of the cylinder 15 and the nose 19, and a hole 22 at the other end of the cylinder 15 as in the conventional nailer.
A return chamber 23 formed between the outer peripheral surface of the cylinder and the main body 14, a trigger 24 provided on the handle, and a trigger valve 25 connected to the trigger 24 to control the main valve 21. Is equipped with.

In the nailing machine 13, pressurized air is constantly supplied to the supply port 27 at the lower end of the handle 17. The pressurized air fills the space between the handle 17 and the body 14. In the state where the trigger 24 is not pulled, that is, in the stationary state,
The pressurized air enters the passage 28 through the trigger valve 25,
The pressurized air in the passage 28 causes the main valve 21 to move to the cylinder 15
The compressed air is stopped from being supplied from the space of the main body 14 to the cylinder 15 by pressing (FIG. 2). A lid 29 is provided at the other end of the cylinder 15 to seal the cylinder 15. Therefore, in the stationary state, the cylinder 15 is in a closed state and the piston 16 does not move.

Next, the trigger 24 is pulled to pull the trigger valve 2
When the valve 5 is actuated, the pressurized air in the passage 28 is released to the atmosphere, and the main valve 21 is moved by the pressurized air in the main body 14 as shown in FIG.
0 is made and the cylinder 15 is opened. Due to this opening, pressurized air is supplied to the rod-side surface of the piston 16 from the space of the main body 14 to the cylinder 15, and this pressurized air moves the piston 16 to the lid 29 side of the cylinder 15. Due to the movement of the piston 16, compressed air is stored in the return chamber 23. Also, the piston 16
The claw 20 provided on the rod 18 is retracted inside the nose 19 toward the main body 14 by the movement of the. It should be noted that the connection between the crow 20 and the piston rod 18 is preferably made with a play of a constant space 32, as shown in FIG. 2, which allows the crow 20 to move after the movement of the piston 16 becomes stable. Therefore, the pulling force to the crow 20 can be increased. The nail driven into the wood or the like is pulled out by the retracting of the claw 20 locked to the nail head.

When the trigger 24 is released after pulling out the nails, pressurized air is supplied from the trigger valve 25 through the passage 28 so as to push the main valve 21, and returns to the state of FIG. 2 again, and the gap between the main valve 21 and the cylinder 15 is returned. 30 is closed. On the other hand, the compressed air accumulated in the return chamber 23 is supplied from the hole 22 of the cylinder 15 so as to push the piston 16. As a result, the piston 16 returns to the main valve 21 side of the cylinder 15.

4 and 5 show a third example of the nail pulling machine. The nail removing machine 34 includes a cylindrical body 35,
A cylinder 36 provided inside the main body 35, a piston 37 reciprocally arranged in the cylinder 35, a hand-held handle 38 extending from the main body 35, and a cylinder 36 receiving a rod 39 extending from the piston 37. A nose 40 provided on one side and a claw 41 for nail pulling provided on the tip of the piston rod 39 are provided.
Further, in the nailing machine 34, the main valve 43 is provided on the opposite side of the nose 40 to the cylinder 36, the trigger 38 is provided to the handle 38, and the main valve 43 is provided to this trigger, as in the conventional nailing machine. Control valve 4
5 are provided.

Also in the nail removing machine 34, pressurized air is constantly supplied to the supply port 46 at the lower end of the handle 38.
The pressurized air fills the space between the handle 38 and the body 35. As shown in FIG. 4, in a state where the trigger 44 is not pulled, that is, in a stationary state, the air in the pressure chamber 47 of the main valve 43 is exhausted from the passage 48 through the trigger valve 45, and on the other hand, the pressurized air supplied to the main body 35. Pushes the main valve 43 from the outer circumference of the cylinder 36 to form a gap 49 between the cylinder 36 and the main valve 43. Further, the pressurized air of the main body 35 is also filled in the end portion of the cylinder 36 on the nose 40 side, and the pressurized air is constantly supplied into the cylinder 36 through the communication hole 50 formed in the cylinder 36. It That is, the compressed air is supplied to both sides of the piston 37. However, the pressure receiving area of the compressed air received by the piston 37 is smaller on the side of the nose 40 by the piston rod 39 than on the side of the main valve 43. Therefore, the total amount of force of the compressed air on the piston 37 is the main amount. The valve side is large, and as a result, the piston 37 is biased to the side of the nose 40 as shown in FIG. 4, and the stationary state is maintained.

Next, the trigger 44 is pulled to pull the trigger valve 4
5 is operated, pressurized air is sent to the passage 48 through the trigger valve, and the pressurized air sent from the passage 48 to the pressure chamber 47 moves so as to press the main valve 43 to the cylinder 36 side. As a result, the gap 49 in FIG. 4 is closed and the supply of pressurized air to the cylinder 36 is stopped. On the other hand, since the pressurized air is constantly supplied from the communication hole 50 at the nose side end of the cylinder 43, the pressurized air moves the piston 37 to the main valve 43 side. By this movement of the piston 37, the claw 41 provided on the rod 39 is retracted inside the nose 40 toward the main body 35 side. The crow 41 and the piston rod 39 are also connected with a certain distance of play so that the pulling force to the crow 41 can be increased. By pulling in the claw 41 locked to the nail head, the nail driven into the wood or the like is pulled out.

When the trigger 44 is released after pulling out the nail, the pressurized air supplied from the trigger valve 45 to the pressure chamber 47 is released to the atmosphere through the passage 48 and the trigger valve 45, and the pressurized air is released from the main valve 43. 4 to return to the state of FIG. 4 again, a gap 49 is created between the main valve 43 and the cylinder 36, pressurized air is also supplied from this gap 49, and the piston 37 has The difference returns to the position of FIG. The nailing machine 23 and the nailing machine 35 can be provided with a safety mechanism (solenoid, etc.) 53 that invalidates the operation of the trigger except when in use. This can prevent an incorrect trigger operation. Further, as shown in FIG. 6, the claw 41 or the like is made of two members, that is, a hook-shaped member 54 at the tip and a rod-shaped member 55, and the nail 56 can be slid and locked by a hammer or the like. Good.

In the present invention, the nail pullers 1, 13, 3 are used.
4 is provided with a collecting device capable of accommodating nails pulled out by the crow. About one example of this collecting device,
This will be described with reference to FIG. The collecting device 60 includes an inlet portion 61 having a relatively large opening for receiving the head of the nail, a passage portion 62 thinner than the opening for passing the received nail, and a nail collecting portion 64 provided on the outlet 63 side of the passage portion. Consists of. The inlet portion 61 is integrally formed or fixed to the nose 40 of the nailer and extends to the lid portion 65 of the collecting portion 64.
The collecting unit 64 is a container and is fixed to the end of the handle 38 with a screw or the like. Further, the passage portion 6
2 is made of a material such as a synthetic resin so that the nail can be easily inserted therethrough. The collection device 60 is, of course, provided not only in the nail pulling machine 34 but also in the other nail pulling machines 13 and the nail pulling machine 1.

With reference to FIGS. 7 and 8, the crow 41
A state of collecting the nails 56 pulled out by the collecting device 60 will be described. In FIG. 7, when the claw 41 is locked to the head of the nail 56 and the trigger 44 is pulled to move the piston 37 to the main valve 43 side, the claw 41 retracts the inside of the nose 40 to the main body 35 side. Then, the nail 56 is pulled out and sent to the inlet portion 61 of the collecting device 60 as shown in FIG. 8. The nail 56 that has entered the inlet section 61 is advanced to the passage section 62 by changing the posture of the nail removing machine, and then the collecting section 64 is used as it is.
Just drop it. The nail that has entered the collecting portion 64 is the passage portion 62.
Since the outlet portion 63 has a small diameter, it does not go backward from the outlet portion 63 and is reliably and safely collected. The nails collected can be removed by removing the lid 65. If the outlet of the passage 62 is formed of an elastic material and is squeezed, as shown by reference numeral 66, even a small nail will not move backward from the outlet.

FIG. 9 shows a second embodiment of the collecting device according to the present invention. Although the inlet 61 is unchanged, the passage 67 is provided with an inlet 68 to which pressurized air is supplied. ,
The passage portion 67 extends for a long time and is configured to be transferred to a collecting portion 69 located at a place away from the nailer (for example, the waist of the worker). In such a collecting device, since the pulled nails can be transferred to a place different from the nail pulling machine, troubles such as a heavy weight of the nail pulling machine are eliminated.

[0019]

According to the nail collecting device of the nailing machine of the present invention, the nails pulled out can be safely and surely collected with an extremely simple structure, and the collected nails can be collectively removed, which is convenient. ..

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing an example of a nailing machine to which the present invention can be applied.

FIG. 2 is a front view showing a broken state of another nail removing machine having a nail collecting device according to the present invention.

FIG. 3 is a cutaway front view showing an operating state of the nail removing machine of FIG.

FIG. 4 is a front view showing a still state of another nail pulling machine having a nail collecting device according to the present invention in a cutaway state.

5 is a cutaway front view showing an operating state of the nail removing machine of FIG. 4. FIG.

FIG. 6 is a diagram showing a modified example of a claw portion.

FIG. 7 is a diagram showing a state before nail drawing.

FIG. 8 is a diagram showing a state in which the nail is entering the entrance portion after the nail is pulled out.

FIG. 9 is a diagram showing another embodiment of the collecting device.

[Explanation of symbols]

 1 Nail Removal Machine 2 Main Body 3 Cylinder 4 Piston 5 Handle 6 Piston Rod 7 Nose 8 Crow 10 Trigger 13 Nail Removal Machine 14 Main Body 15 Cylinder 16 Piston 17 Handle 18 Piston Rod 19 Nose 20 Crow 21 Main Valve 24 Trigger 34 Nail Removal Machine 35 Main Body 36 Cylinder 37 Piston 38 Handle 39 Piston Rod 40 Nose 41 Crow 43 Main Valve 44 Trigger 60 Collecting Device 61 Inlet 62, 67 Passage 63, 66 Outlet 64, 69 Collecting 65 65 Lid

Claims (1)

Claim: What is claimed is: 1. A cylinder is formed in a cylindrical main body, a piston is reciprocally disposed in the cylinder, a hand-held handle extends from the main body, and a piston rod is a nose from the main body. Claw for nail pulling is provided at the tip of the piston, and when the trigger provided on the handle is pulled, pressurized air is introduced into the cylinder and the claw at the tip of the piston rod is In a nail pulling machine that is pulled to the side and pulls out the nails that are locked to the claw, a relatively large opening for receiving the head of the nail pulled out by the crow and a passage portion that is narrower than the opening for passing the received nail A nail removing machine comprising a collecting device including a nail collecting portion provided on the exit side of the passage portion.