JPH0518734U - Manipulator - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a manipulator having a large grippable diameter range of a forged material that can be gripped by a pair of jaws. [Structure] A pair of spaces that are provided at the tip of a tong lever 6 that is arranged symmetrically with respect to the forging material axis 12 and that is openable and closable, and that has a space extending in the direction of the axis 12 on a mating surface 7 for gripping the forging material. In the manipulator provided with the jaws 9 of the above, the concavities and convexities 10 that extend in the direction orthogonal to the space and can enter each other on the mating surface 7 of the jaws 9,
11 is provided. The space is narrowed down until the mating surfaces 7 of the indentations 10 and 11 that come into contact with each other come into contact with each other, so that a forged material having a small diameter can be gripped. [Effect] A forged material having a diameter smaller than that of the conventional manipulator can be gripped, and the grippable diameter range can be expanded.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a manipulator for handling a forged material.

[0002]

[Prior Art]

 FIG. 5 is a side view schematically showing an example of a conventional manipulator, and FIG. 6 is an enlarged cross-sectional view (enlarged view of arrow VI-VI) of a jaw related to the manipulator shown in FIG. A main body 3 provided with a roller 2 movable along a guide rail 1, a tongue head 4 projecting in a horizontal direction from the main body 3 and rotatably provided in a circumferential direction around the forging material axis; A tong lever 6 pivotally supported by a pin 5 on the tongue head 4 via a pin 5 and arranged to be openable and closable symmetrically with respect to the forging material axis, and a forging material provided at the tip of the tong lever 6. The mating surface 7 for gripping is provided with a pair of jaws 9 each having a space 8 (see FIG. 6) having a square cross section extending in the axial direction of the forging material.

When handling a forged material, an opening / closing device (not shown) is operated to open / close the tongue lever 6, and the space 8 provided on the mating surface 7 of the jaw 9 provided at the tip of the tongue lever 6 is operated. Hold the end of the forged material by.

[0004]

[Problems to be solved by the device]

 However, the manipulator described above cannot hold a forging material having a diameter smaller than the minimum transfer dimension (a shown in FIG. 6) of the space 8 when the mating surfaces 7 of the jaws 9 are in contact with each other, and Since a forging material having a large diameter exceeding the dimension a cannot be stably gripped, there is a problem that the grippable diameter range of the forging material that can be gripped by the pair of jaws 9 is limited.

In view of the above situation, the present invention provides a manipulator provided with a jaw, which is configured such that the mating surfaces are provided with concavities and convexities so as to be capable of deeply engaging with each other, so that the delivery dimension a can be narrowed down. It was made for the purpose.

[0006]

[Means for Solving the Problems]

 The present invention has a pair of jaws, which are provided at the front end of a tongue lever that is symmetrically openable and closable with respect to the axis of the forging material and have a space extending in the axial direction on a mating surface for gripping the forging material. In the manipulator provided, the mating surfaces of the jaws are provided with irregularities that extend in a direction orthogonal to the space and can enter each other.

[0007]

[Action]

 Therefore, in the present invention, the concavities and convexities that can enter each other are deeply engaged, and the mating surface is formed in a zigzag shape. As a result, the space is narrowed and narrowed, and a small-diameter forged material is gripped.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view showing the outline of the manipulator of the present invention, FIG. 2 is a side view of a jaw related to the manipulator shown in FIG. 1, and FIG. 3 is a III-III arrow view of FIG. FIG. 3 is a cross-sectional view when the jaws associated with the manipulator shown in FIG. 1 are closed. The basic structure is almost the same as that of the conventional manipulator shown in FIG. 5, and the same components as those shown in FIGS. 5 and 6 are designated by the same reference numerals.

At the tip of the tongue lever 6 in the manipulator of the present embodiment, a space 8 having a rectangular cross section extending in the direction of the forging material axis 12 is provided so as to be diagonally aligned in the width direction of the mating surface 7, and the mating surfaces that abut each other. 7 are provided with trapezoidal concavo-convex portions 10 and 11 which are arranged in the direction of the forging material axis 12 at predetermined intervals and extend parallel to each other in a direction orthogonal to the space, and the other side of the mating surface 7 is provided with respect to the concavo-convex portions 10 and 11. Is provided with a pair of jaws 9 provided with concavities and convexities 11 which can enter and engage with each other.

Other than the jaw, it has the same structure as the conventional manipulator shown in FIG.

The operation of gripping the forged material is exactly the same as that of the conventional manipulator shown in FIG. 5, and an opening / closing device (not shown) is operated to open / close the tongue lever 6, and the tongue lever 6 is provided with a tip end portion. The end of the forged material is gripped by the space 8 provided in the mating surface 7 of the jaw 9.

According to the above, since the mating surface 7 is provided with the concavities and convexities 11 that can enter each other, and the space 8 is formed so as to be sufficiently narrowed by the time when the mating surface 7 abuts, the pair of jaws 9 are used. The range of grippable forging diameters that can be gripped can be expanded.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.

[0015]

[Effect of the device]

 According to the manipulator of the present invention, since the mating surfaces of the pair of jaws are provided with recesses and protrusions that can enter each other and the space for holding the forging material is narrowed down, the forging having a smaller diameter than the conventional manipulator is performed. The excellent effect of being able to grip the material can be achieved.

[Brief description of drawings]

FIG. 1 is a side view schematically showing a manipulator according to the present invention.

2 is a side view of a jaw associated with the manipulator shown in FIG. 1. FIG.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is a cross-sectional view of the jaws associated with the manipulator shown in FIG. 1 when closed.

FIG. 5 is a side view schematically showing an example of a conventional manipulator.

FIG. 6 is an enlarged view taken along the line VI-VI in FIG.

[Explanation of symbols]

 6 Tongue lever 7 Mating surface 8 Space 9 Jaw 10 Unevenness 11 Unevenness 12 Axis

Claims (1)

[Scope of utility model registration request] 1. A pair of jaws, which are provided at the tip of a tongue lever that is arranged symmetrically with respect to the axis of the forging material and are openable and closable, and have a space extending in the axial direction on a mating surface for gripping the forging material. A manipulator comprising: a manipulator, wherein the mating surfaces of the jaws are provided with concavities and convexities that extend in a direction orthogonal to the space and can enter each other.