JP2022101014A - Dog device - Google Patents

Abstract

To provide a dog device that enables easy holding of a wire rod without directly touching with hands a dog claw.SOLUTION: A pin 10 is provided so as to project on a wedge-shaped dog claw 3 to be installed to a dog case 2. A dog device has a lever 13 having a recessed part 12 for keeping the pin 10, a holding case 14 for movably holding the lever 13 relative to the dog claw 3, and an energizer 15 for energizing the lever 13 toward the dog claw, the holding case 14 being installed on the dog case 2 so as to be rotatable around a support shaft 16. The holding case 14 is rotated between a standby state in which the recessed part 12 of the lever 13 is separated from the pin 10 of the dog claw 3 so that the dog claw 3 can be attached and detached to/from the dog case 2 and a fixed state in which hands-free operation is possible by pushing the recessed part 12 of the lever 13 that is keeping the dog claw 3 holding the wire rod W into the dog claw 3 with energization force of the energizer 15. In the fixed state, the dog claw 3 is kept by the lever 13 and the wire rod W is held without touching hands with the dog claw 3.SELECTED DRAWING: Figure 2

Description

Application for application of Article 30, Paragraph 2 of the Patent Act was applied on February 27, 2020, Kishu Fastener Industry Co., Ltd. Wakayama Factory, May 25, 2020, Sumitomo Electric Co., Ltd. Delivered to Kasuga Steel Co., Ltd.

The present invention relates to a tongue device that holds and releases a wire rod wound on a take-up drum by attaching and detaching a tongue claw.

When the wire drawn by the wire drawing machine is wound on the take-up drum, the wire is held by the tons device attached to the take-up drum. The tongue device includes a tongue case and a tongue claw, and when a wire rod is inserted into the tongue case and a wedge-shaped tongue claw is attached, the wire rod is held. After holding the wire, when the take-up drum is rotated to wind the wire around the take-up drum, the operator manually presses the tongue claw so that the tongue claw does not fall. After winding the wire, when releasing the wire from the tons device, use a hammer or the like to hit the tip of the tons claw to remove it from the tons case. At this time, remove the tongue while pressing it with your hand so that the tonail does not fall. In this way, when you attach the tongue claw and start winding the wire, or when you remove the tongue claw, you have to press the tongue claw by hand.

Patent Document 1 describes a tons device that can easily hold and release a wire rod. A coil spring is inserted into the tongue claw that can be attached to and detached from the tongue case, the rear end of the coil spring is locked to a stop pin provided on the tongue case, and the coil spring urges the tongue claw in the direction of sandwiching the wire. When holding the wire, pull out the tongue claw attached to the tongue case a little by hand, insert the wire, and when the hand is released, the tongue claw slides due to the urging force of the coil spring and the wire is held. When releasing the wire, hit the tongue with a hammer and then pull the tongue by hand to pull out the wire.

Japanese Unexamined Patent Publication No. 2002-11517

In the tongue device of Patent Document 1, when holding or releasing the wire rod, it is necessary to work while pulling out the tongue claw by hand. At this time, since the tongue claw is urged by the coil spring, the tongue claw tries to return and may pinch the hand.

In view of the above, an object of the present invention is to provide a tongue device capable of easily holding a wire rod or opening the wire rod by the tongue claw without directly touching the tongue claw.

In the tongue device of the present invention, the wire rod is held by attaching the wedge-shaped tongue claw to the tongue case into which the wire rod is inserted, and the wire rod is released when the tongue claw is removed from the tongue case. A lever with a recess where a pin is projected onto the tongue claw to hold the pin, a holding case that holds the lever movably with respect to the tongue claw, and an urging body that urges the lever toward the tongue claw. The holding case is rotatably attached to the tongue case around a support shaft. In the holding case, the recess of the lever is separated from the pin of the tongue claw so that the tongue claw can be attached to and detached from the tongue case. It is rotated between the fixed state where it can be pushed into the tongue claw and released.

Since the tongue claw is not fixed in the standby state, the wire can be inserted into the tongue case or the wire can be released from the tongue case. In the fixed state, the tongue claw is pressed by the lever, so that the wire can be held without touching the tongue claw.

In addition, it is composed of a holder part that grips the pin protruding from the tongue claw, a shaft attached to the holder part, and a handle that is slidably fitted to the shaft so that the handle does not come off at one end of the shaft. A head to stop is provided. When the tongue claw is moved toward one end side by the impact when the handle is slid toward one end side of the shaft and hits the head, the tongue is held from the tongue case with the holder part without touching the hand. The nails come off. When the tongue claw comes off, the wire is released and the wire and the tongue device are separated.

According to the present invention, by pressing the tongue claw with a lever, the wire rod can be held without directly touching the tongue claw, and the wire rod can be wound around the take-up drum by hand, so that the work can be performed safely. Further, by grasping the tongue claw and sliding the handle, the tongue claw can be disengaged from the tongue case, and the wire can be released without directly touching the tongue claw, so that the work can be performed safely.

The figure which shows the tons apparatus attached to the winding drum which concerns on embodiment of this invention. Cross-sectional view of the tongue nail fixing device Front view of tongue nail fixing device The figure which shows the use state of the tonail remover Cross-sectional view of Tons claw remover

FIG. 1 shows a tongue device according to an embodiment of the present invention. The tongue device is used to hold the start end of the wire rod W when winding the drawn wire rod W around the take-up drum 1, and is attached to the take-up drum 1 rotating around the vertical axis, and the tongue case 2 and the tongue case 2. It is equipped with a tongue claw 3 to be attached to. The chain 4 is connected to one side of the tongue case 2 (the starting end side of the wire rod W), the hook 6 with the lock device 5 is connected to one side of the chain 4, and the hook 6 is connected to the groove 7 formed in the take-up drum 1. Locked.

The tongue case 2 is formed in a cylindrical shape, and is formed so that the outer wall approaches the inner side wall as it goes from one side to the other. One side of the tongue case 2 is opened larger than the other side, the tongue claw 3 is inserted from one side, and the wire rod W is inserted from the other side. The tongue claw 3 is formed in a wedge shape with the other side tapered, the outer surface facing the outer wall of the tons case 2 is an inclined surface, and the inner surface facing the inner side wall is a gently curved surface. A pin 10 is projected on one side of the tongue claw 3. The pin 10 is formed in a T shape having a cylindrical head portion 10a, and a hexagon socket head cap screw is used here. This bolt is screwed into the nut 11 fixed to the tongue claw 3 and fixed to the tongue claw 3.

Then, as shown in FIGS. ing. The tongue claw fixing device includes a lever 13 having a recess 12 for pressing the pin 10, a holding case 14 that movably holds the lever 13 so as to be close to and separated from the tongue claw 3, and a lever 13 toward the tongue claw 3. It is provided with an urging body 15 for urging.

The holding case 14 is formed in a U shape, and is rotatably attached to the tons case 2 around a support shaft 16 so that the base end side of the holding case 14 sandwiches the tons case 2 from above and below. The lever 13 is inserted into a hole formed in the tip surface of the holding case 14, a handle 17 is provided on the tip side of the lever 13, and a recess 12 is provided on the base end side. The concave portion 12 has a concave shape so that the head portion 10a of the pin 10 of the tongue claw 3 can be inserted, and is integrally formed with the lever 13. The urging body 15 is a coil spring and is interposed between the recess 12 and the tip surface of the holding case 14. The urging body 15 urges the recess 12 so as to push it toward the base end side. The recess 12 and the urging body 15 are covered with the holding case 14.

The holding case 14 is rotated between a standby state located on the outer wall side of the tons case 2 and a fixed state located on one side of the tons case 2. In the standby state, the recess 12 of the lever 13 is separated from the pin 10 of the tongue claw 3 so that the tongue claw 3 can be attached to and detached from the tongue case 2. In the fixed state, the recess 12 of the lever 13 holding the tongue claw 3 holding the wire rod W is pushed into the tongue claw 3 by the urging force of the urging body 15, and the work can be performed by letting go.

When winding the drawn wire W around the take-up drum 1, first, the wire W is inserted into the tons case 2, the tons claw 3 is attached, and then the holding case 14 in the standby state is rotated while pulling the lever 13. When the holding case 14 rotates to the fixed position, the lever 13 is released. The lever 13 moves toward the other side due to the urging force of the urging body 15, the head portion 10a of the pin 10 of the tongue claw 3 is fitted into the recess 12 of the lever 13, and the tongue claw 3 is pushed by the lever 13. , The tongue claw 3 is fixed so as not to fall from the tongue case 2. In this way, when the wire rod W is wound around the take-up drum 1, it is not necessary to press the tongue claw 3 by hand, and the tongue claw 3 can be fixed without touching it. Therefore, the winding work of the wire rod W can be safely and surely performed by letting go.

When the wire W is wound on the take-up bobbin 1, the wire W is released from the tons device. Therefore, it is necessary to remove the tongue claw 3 from the tongue case 2. This tongue device includes a tongue claw remover that removes the tongue claw 3 from the tongue case 2 to release the wire rod W. As shown in FIGS. 4 and 5, the tongue claw remover has a holder portion 20 for gripping a pin 10 projecting from the head of the tongue claw 3, a shaft 21 attached to the holder portion 20, and a shaft 21. It is composed of a handle 22 fitted in a slidable manner.

The shaft 21 is formed in a bolt shape, a head 23 is provided on one side, the other side is screwed into a nut 24 fixed to the holder portion 20, and the shaft 21 is detachably attached to the holder portion 20. A gripping groove 25 for hooking and gripping the pin 10 is formed in the holder portion 20. The grip groove 25 is formed in a T shape so as not to come off when the head portion 10a of the pin 10 enters and is pulled. Further, the holder portion 20 is provided with a plunger 26, which comes into contact with the pin 10 inserted into the gripping groove 25 and is fixed so that the pin 10 does not come off from the holder portion 20. The handle 22 has a through hole 27, and the surface of the handle 22 is knurled so as not to slip. The shaft 21 is inserted into the through hole 27, and the holder portion 20 is attached to the other side of the shaft 21. The handle 22 slides between the holder portion 20 and the head portion 23 of the shaft 21.

When releasing the wire W from the tons device, the pin 10 of the tons claw 3 is inserted into the gripping groove 25 of the holder portion 20. Then, the handle 22 is slid toward one side. The impact when the handle 22 hits the head of the shaft 21 causes the tongue claw 3 to move toward one side. The tongue claw 3 gradually moves to form a gap between the tongue claw 3 and the wire rod W, and the tongue claw 3 is pulled out from the tongue case 2 while being held by the tongue claw remover, and the wire rod W is released. , Can be separated from the tongue device. In this way, when removing the tongue claw 3, the work of removing the tongue claw 3 without directly touching the tongue claw 3 can be performed. Moreover, since the tongue claw 3 is still held by the holder portion 20 after the tongue claw 3 is removed, it is safe because it does not fall.

It should be noted that the present invention is not limited to the above embodiment, and it goes without saying that many modifications and changes can be made to the above embodiment within the scope of the present invention. The pin 10 of the tongue claw 3 is not limited to the T-shape, but may be formed into an L-shape. The urging body 15 may be made of elastic rubber.

1 Take-up drum 2 Tons case 3 Tons claw 10 pin 12 Recess 13 Lever 14 Holding case 15 Bouncer 20 Holder part 21 Shaft 22 Handle 23 Head 25 Grip groove W Wire rod

Claims (2)

A wedge-shaped tongue claw is attached to the tongue case into which the wire is inserted to hold the wire, and when the tongue claw is removed from the tongue case, the wire is released. The holding case is equipped with a lever having a recess for pressing a pin, a holding case for holding the lever movably with respect to the tongue claw, and an urging body for urging the lever toward the tongue claw. It is rotatably attached to the tongue case around the support shaft, and the holding case has a standby state in which the recess of the lever is separated from the pin of the tongue claw so that the tongue claw can be attached to and detached from the tongue case, and the tongue claw holding the wire rod. A tongue device characterized in that the concave portion of the lever being pressed is pushed into the tongue claw by the urging force of the urging body and rotated between the fixed state and the fixed state where the work can be done by hand. A wedge-shaped tongue claw is attached to the tongue case into which the wire is inserted to hold the wire, and when the tongue claw is removed from the tongue case, the wire is released. It is composed of a holder part that grips the pin of the tongue claw, a shaft attached to the holder part, and a handle that is slidably fitted to the shaft, and stops the handle at one end of the shaft so that it does not come off. A head is provided, and the tongue claw is moved toward one end by the impact when the handle is slid toward one end side of the shaft and hits the head, and the tongue claw is released from the tongue case while holding the tongue claw. A tongue device characterized by being removed.

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