JPH0796874A - Tire attaching device - Google Patents

Abstract

PURPOSE:To easily and rapidly attach a tire, to enhance the manipulatability and to simplify the entire structure of a tire attaching device and to reduce the size thereof. CONSTITUTION:A tire attaching device is composed of a pivot shaft 20, a first arm member 22 having one end which is engaged to the pivotal shaft 20 so as to be rotatable in a horizontal plane, and horizontally extending, a second arm member 24 having one end engaged with the other end of the first arm member 24 so as to be rotatable in a horizontal plane, and horizontally extending, a rod 26 engaged with the other end of the second arm member 24 and downward extending, and tire means 28 mounted to the lower end part of the rod 26 and horizontally extending so as to turnable in a horizontal plane. Further, this pivot shaft 20 is inclined at a predetermined angle on the tire take-out side.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire mounting device for mounting a tire arranged at a tire take-out position on a vehicle body.

2. Description of the Related Art For example, in an automobile body assembly line, when a tire is attached to a vehicle body, a tire attaching device is generally used as an auxiliary device for gripping the tire and transporting it to a predetermined portion of the vehicle body. It is used.
As an apparatus of this type, for example, as disclosed in Japanese Utility Model Laid-Open No. 58-87603, a supporting mechanism that is movable in three dimensions is provided with a supporting portion that is rotatable in a horizontal plane, and this supporting portion BACKGROUND ART There is known a device in which a grip portion that is rotatable in a vertical plane is provided in a front portion, and a tire configured to grip a tire by a pressing claw protruding to the front portion of the grip portion.

However, in the above-mentioned prior art, the suspension type support mechanism is used, and the grip portion is attached to the front portion of the support portion provided in this support mechanism. A pushing claw for gripping the tire is provided so as to project from the front portion of the grip portion. Therefore, it is pointed out that the operator and the tire are separated from each other by a considerable distance, the operability is deteriorated, and the size of the entire apparatus is increased. The present invention is for solving this kind of problem, and can easily and quickly perform tire installation work, is excellent in operability, and can simplify and miniaturize the configuration of the entire device. An object is to provide a possible tire mounting device.

In order to achieve the above-mentioned object, the present invention is a tire mounting device for gripping a tire arranged at a tire take-out position and mounting the tire on a vehicle body. With a balancer-equipped arm member that can be swung in a horizontal plane via a swivel axis that extends in the direction, and a tire gripping unit that is mounted at the tip of the arm member so as to extend horizontally and swivel in a horizontal plane, The turning shaft of the arm member with the balancer is inclined upward with respect to the vertical direction toward the tire take-out position side.

In the tire mounting apparatus of the present invention, the tire gripping means extending in the horizontal direction is provided at the tip of the arm member that is rotatable in the horizontal plane. Therefore, the operator directly touches the tire using this tire gripping means. It can be gripped, the operability is improved, and the configuration is simplified. Moreover, since the turning axis of the arm member is inclined toward the tire take-out position side, when the operator releases the tire holding means after transferring the tire from the tire holding means to the vehicle body, the arm member tilts the turning axis. The tire gripping means oscillates in the direction, and the tire gripping means automatically retracts to the tire removal position side. Therefore, it is possible to reliably prevent the tire gripping means from interfering with the vehicle body, further improve the operability and workability, and improve the efficiency of the entire tire mounting work.

The tire mounting device according to the present invention will be described in detail below with reference to the accompanying drawings. 1 and 2, reference numeral 10 indicates a tire mounting device according to this embodiment. This tire mounting device 1
The reference numeral 0 is for gripping the tire 12 arranged at the tire take-out position T and attaching the tire 12 to the vehicle body 14, and is arranged on both sides of the vehicle body 14 conveyed in the arrow A direction via the vehicle body conveying mechanism 16. To be done. Tire mounting device 1
Reference numeral 0 denotes a revolving shaft 20 that is erected on the floor surface 18 in the vertical direction, a first arm member 22 that has one end pivotally engaged with the revolving shaft 20 in a horizontal plane and extends in the horizontal direction. A second arm member 24, one end of which pivotally engages with the other end of the first arm member 22 in a horizontal plane and which extends in the horizontal direction.
A rod 26 that engages with the other end of the second arm member 24 and extends downward, and a tire gripping means 28 that extends horizontally in the lower end of the rod 26 and is mounted so as to be rotatable in a horizontal plane. . The swivel axis 20, as shown in FIG.
Arrow B orthogonal to the direction of arrow A, which is the transport direction of vehicle body 14.
The axis S on the tire take-out position T side with respect to the vertical axis V is a predetermined angle θ ° (see FIG. 2) in the direction inclined by a predetermined angle α (for example, 45 °) with respect to the line segment L of the direction. It is set to incline. The first arm member 22 extends in the horizontal direction and includes a balancer air cylinder 30 for assisting the swinging motion. Second
The arm member 24 extends in the horizontal direction like the first arm member 22 and includes a balancer air cylinder 32. As shown in FIG. 3, the tire gripping means 28 is
A rotary shaft 34 extending in the vertical direction is provided, and an end portion of a third arm member 36 extending in the horizontal direction is fixed to the rotary shaft 34. The rotary shaft 34 has a balancer air motor 37 for assisting rotation. Is provided. On the third arm member 36, relatively long mounting rollers 38a and 38b for mounting the lower end side of the tire 12 and the tire 1
The support rollers 40a and 40b that abut on one side surface of the tire 2 to prevent the tire 12 from collapsing, and the hand portion 42 that the operator grips to move the tire gripping means 28 to a desired place. As shown in FIG. 1, a first transport mechanism 44 for transporting the tire 12 in the direction of arrow B is provided on the side of the tire mounting device 10. The first transport mechanism 44 is provided with the tire 12 described above. A second transport mechanism 46 for transporting to the tire take-out position T is continuously provided. At the tire take-out position T, a posture conversion mechanism 48 that converts the tire 12 conveyed in a horizontal posture into a vertical posture is arranged. Next, the tire mounting device 10 configured as described above
The operation of will be described. First, when the tire 12 is transported to the tire take-out position T via the first transport mechanism 44 and the second transport mechanism 46, the tire 12 is subjected to the action of the posture changing mechanism 48 provided at the tire take-out position T.
Is converted and held in the vertical posture (attachment posture) (see FIG. 2). Then, the operator grips the hand portion 42 to move the tire gripping means 28 to the tire take-out position T, mounts the lower end side of the tire 12 with the mounting rollers 38a and 38b, and supports the tires with the support rollers 40a and 40b. Tire 12
Support one side. On the other hand, the vehicle body 14 is conveyed in the direction of arrow A via the vehicle body conveyance mechanism 16, and the operator grasps the hand portion 42 to integrally integrate the tire gripping means 28 and the tire 12 with the tire of the vehicle body 14. Transport it to the attachment site. Here, as shown in FIG. 1, when the worker starts the operation of transferring the tire 12 to the vehicle body 14 at the set start position P1, the vehicle body 14 is conveyed in the direction of arrow A, so that the tire gripping is performed. The means 28 moves to the setting end position P2. Then, at the setting end position P2, the worker detaches the finger from the hand unit 42. In this case, in the present embodiment, the axis P of the turning shaft 20 is
However, since it is inclined by a predetermined angle θ ° toward the tire take-out position T side with respect to the vertical axis V (see FIGS. 1 and 2), when the tire gripping means 28 is released from gripping by the operator, The first arm member 22 automatically swings in the tilting direction of the turning shaft 20. Therefore, the first arm member 22 automatically returns to the position shown by the solid line in FIG. 1, and at the same time, the second arm member 24 and the third arm member 36.
Are arranged corresponding to the tire take-out position T under the action of the air cylinder 32 and the air motor 37, respectively (see the solid line in FIG. 1). As a result, the operator simply removes the fingers from the hand portion 42 at the setting end position P2, and the tire gripping means 28 automatically moves from the setting end position P2 to the tire removal position T side. Therefore,
The tire gripping means 2 while the operator grips the hand portion 42.
Compared with the one in which 8 is forcibly moved to the tire take-out position T side, the operability of the entire tire mounting device 10 is improved all at once, and the tire mounting work can be performed quickly and easily. Further, there is no fear that the tire gripping means 28 interferes with the vehicle body 14, and the efficiency of the entire tire mounting work can be improved. Moreover, the operator grips the hand portion 42 provided on the third arm member 36 forming the tire gripping means 28, and the third arm member 36 is gripped.
The tire 12 is directly held by the third arm member 36 via the placement rollers 38a, 38b and the support rollers 40a, 40b provided on the. Therefore, there is an advantage that the distance between the operator and the tire 12 can be effectively brought close to each other, the operability is improved all at once, and the configuration of the entire tire mounting device 10 is simplified and downsized. By the way, the operator releases the tire gripping means 28 and then attaches the tire 12 to the vehicle body 1 via a nut runner (not shown) or the like.
Work to tighten to 4. Further, tire mounting work is similarly performed by a tire mounting device (not shown) provided on the opposite side of the vehicle body 14.

According to the tire mounting device of the present invention,
The following effects or advantages can be obtained. Since the tire gripping means extending in the horizontal direction is provided at the tip of the arm member that can be swiveled in the horizontal plane, the operator can directly manipulate the tire gripping means to grip the tire, and the operability is improved. In addition, the configuration can be simplified and downsized. Moreover, since the turning shaft of the arm member is inclined toward the tire take-out position side, when the operator releases the grip of the tire holding device after transferring the tire from the tire holding device to the vehicle body, the arm member is rotated. The tire gripping means automatically retreats to the tire take-out position side by swinging in the tilt direction. Therefore, it is possible to reliably prevent the tire gripping means from interfering with the vehicle body, further improve the operability and workability, and improve the efficiency of the entire tire mounting work.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing the overall configuration of a tire mounting device according to an embodiment of the present invention.

FIG. 2 is a schematic side view of the tire mounting device.

FIG. 3 is a partially longitudinal front view of a tire gripping means that constitutes the tire mounting device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Tire mounting device 12 ... Tire 14 ... Vehicle body 16 ... Vehicle body conveyance mechanism 20 ... Slewing shaft 22, 24 ... Arm member 28 ... Tire gripping means 30, 32 ... Air cylinder 36 ... Arm member 37 ... Air motor 38a, 38b ... Placement Rollers 40a, 40b
... Support roller 42 ... Hand part 44, 46 ... Conveyance mechanism 48 ... Posture conversion mechanism

Claims (1)

[Claims] 1. A tire mounting device for gripping a tire arranged at a tire take-out position and mounting the tire on a vehicle body, the arm having a balancer capable of pivoting in a horizontal plane via a pivot shaft extending in a vertical direction. And a tire gripping means that extends horizontally and is mounted on the tip of the arm member so as to be pivotable in a horizontal plane, and the pivot shaft of the balancer-equipped arm member has its upper side in the vertical direction. On the other hand, the tire mounting device is characterized in that it is inclined toward the tire take-out position side.