JPS6056234A - Chucking device of automobile wheel - Google Patents

Abstract

PURPOSE:To enable handling of 2 kinds of automobile wheels of bolt-hole and center-hole types, by combining 2 kinds of top adaptors and a single kind of bottom adaptor. CONSTITUTION:The bottom adaptor 10 is provided with a tapered member 14 held free to be displaced vertically and a collet member 16 held free to be opened and closed diametrally around the member 14 in a position aligned to center-holes 4A, 4B of the wheel. One of the top adaptors 8A is equipped with an elastic means 36 to press down the member 16 of the bottom adaptor 10 for chucking the center-hole type wheel. Cinsequently, by elasticity of the elastic means and wedge action of the taper member, the collect member of the bottom adaptor can be operated diametrally to assure centering of the center-hole type wheel by pressing the wheel onto the inside surface of the center hole. The other top adaptor 8B is, when the bolt-hole type wheel is chucked, provided with a guide pin 56 to fit its bolt hole 6B.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a chucking device for chucking an automobile wheel between an upper adapter and a lower adapter in a testing machine for dynamic balance testing of automobile wheels, for example. It is something.

(B) Prior Art When performing a dynamic balance test on an automobile wheel, a chucking device for chucking the automobile wheel between an upper adapter and a lower adapter is generally used. The lower adapter of the chucking device is connected to the rotating main shaft of the dynamic balance testing machine, and the automobile wheel is centered and chucked by the chucking device and rotates integrally with the rotating main shaft. This is a dynamic balancing test for automobile wheels. However, for automobile wheels,
There are two types: one type in which the bolt is compressed into the bolt hole of the rim and thereby centering the rim, and the other type in which the center hole of the rim is fitted onto the axle and this is used to form a center link. In some types of dynamic balance test machines, although it is possible to center and chuck a substitute automobile wheel to a Holt that is centered by a Holt hole in the rim,
There has been a demand for the development of a device for center linking and chucking a center hole type automobile wheel of the double centering type.

(c) Purpose Accordingly, the present invention has been developed to enable centering and chasing not only of bolt-on automobile wheels but also of pinter hole type automobile wheels.

(d) Configuration This invention is a combination of two types of upper adapters and one type of lower adapter. Among these adapters, the lower adapter is a tapered member that is held movable in the vertical direction, and an opening/closing member that is held so as to be openable and closable in the radial direction around the fourth tapered portion at a position id with respect to the center hole of the automobile wheel. has. One of the upper adapters has elastic means for pressing down the tapered portion of the lower adapter when chucking a center-hole automobile wheel. Therefore, by the elasticity of the elastic means and the wedge action of the Taper member, the opening/closing member of the lower adapter can be opened and closed in the radial direction and pressed against the inner surface of the center hole of the automobile wheel, thereby centering the center hole type automobile wheel. I can do that. The other upper adapter has a guide pin that fits into the bolt hole when chucking the bolt hole type automobile wheel, and can center the bolt Yashiro automobile wheel.

(e) Examples Embodiments of the present invention will be described below with reference to the drawings.

In the figure, the substitute car pole to the center is on the rim (2A
) is fitted into the center hole (4A) of the axle, thereby centering the axle. Rim (2A)
In addition to the center hole (4A), there are 4 hole holes (6A)
Set to 0. This device is for centering and chaffing automobile wheels in a dynamic balance testing machine, and consists of two types of upper adapters (8A) and (8B>) and one type of lower adapter (10). The center hole type automobile pole is chucked between one upper adapter (8A) and the lower adapter (1o).
The replacement car wheel to Porto is located in the bolt hole (2B) of the rim (2B).
6B), the adapter is of the centering type, and is chucked between the other upper adapter (8B) and lower adapter (10). Rim (2
B) has four bolt holes (13B) (!:, a center hole (, 1I3) that passes through the axle. The rim (2A), (2B>) of each automobile wheel is common to the lower adapter (10). It is supported by a support part (12).

Each adapter (8A), (8B), (10) (7), the lower adapter (10) has a cylindrical taber cone (1
4) and four claws (16). Theba cone (14
) is housed in the inner hole of the guide sleeve (18) and is held movable in the vertical direction. The winter melon (16) is arranged around the Taber cone (14) at a position corresponding to the center holes (, 4A) and (4B> of the automobile pole, and is housed in the radial hole of the guide sleeve (18), so that the winter melon (16) It is held so that it can be displaced and therefore opened and closed in the radial direction.Furthermore, as shown in Figure &"i2, a claw (16)
The winter melon (16) is accommodated in the outer circumferential groove of the guide sleeve (18) and connected by both ends of the saw blade spring (20) or a coil spring (22). It is pressed against the tapered surface (23) of the cone (111) by elasticity.

The guide sleeve (18) is attached to the rotating main shaft (2) of the dynamic balance tester.
11) i! ! ! tied and fixed.

Each upper adapter (8A), <8B> is the lower adapter <1
It has an I throat (25A), (25B) in the penetration that passes through the Taber cone (14) of 0), and each penetration lot (25A
), (25B> are inserted into the inner hole of the 1.Ll-lot (26) and connected to the drawlons 1 to (26) by the clamping piece (28). The drawlot (26)
is housed in the inner hole of the guide sleeve (3e,), is held movable in the vertical direction, and is connected to a drive mechanism such as a cylinder. The clamping piece (28) is guided by the tapered surface (32) of the guide sleeve (30). The kite sleeve (30) is connected to and fixed to the rotating main shaft (24).

Also, one of the upper adapters (8△) has its through-hole (
Coil spring (3) placed in the outer circumferential groove of
6) and an engagement ring (38). As will be described later, when cha-sogging a center hole type automobile wheel, use the 114 ring (38) or the chi/ku cone (14
) is engaged, and the Taber cone (14) is pushed down by the elasticity of the coil spring (36). Furthermore, this upper adapter (8
A) is for each hole (6 holes) of the center hole type automobile wheel hole.
At the position of △), the 4 wooden engagement bin (
42) fjL, each engagement pin (42) is guided by a guide sleeve (44) so that it can be displaced in the vertical direction, and a coil spring (4G) + complicated bow i + i li: H
'J has been. The lower adapter (10) has four insertion pins (48) to be inserted into each bolt hole (6Δ) of a center hole type automobile wheel, and each insertion pin (48) is vertically displaced by a kite sleeve (50). The coil spring (52) provides an elastic force. The height position of the insertion bin (48) is detected by a proximity switch (54).

The other upper adapter (8B) has seven guide pins (56) that fit into each hole (6B) of the hole-type automobile wheel, and each guide pin (5G) has a guide sleeve. (58) so as to be vertically displaceable, and is biased by a coil spring (60) by a force of 4τj. The lower adapter (10) is attached to each guide bin (5G
) has four insertion holes (62〉) into which they are inserted.

In the device configured as described above, the center hole hole (
To chuck a car wheel, chucking its rim (2
A) is supported on the support surface (12) of the lower adapter (10) and each insertion pin (48) of the lower adapter (10) is inserted into each bolt hole (6A) of the motor vehicle wheel.

Then, connect one of the upper adapters (8A) to the lower/doubts (
1O). Upper adapter (8
The through rod (25A> of A) passes through the Taber cone (14) of the lower adapter (10), and one draw (26
), and the engagement ring (38) is engaged with the shoulder (40) of the cheek cone (14). Next,
When the l.Roron F (2G> is pulled down by the drive mechanism, each clamping piece (28) or guide sleeve (
It is guided by the tapered surface (32) of 30), is displaced in the radial direction, and is engaged with the penetration iron F, (257\). This causes the through lot (25A) to become the draw lot (26).
connected to. If the draw a tsu I” (26) is further drawn down, the kan) Naerotsu)・(258) is a tolko 1.
It will be lowered by -1 to Kotsuto (2G). Once upon a time, there was either Thenoku Corn (14) or Koinoshi Suf'ring (
36) Later, it is pushed down by the weight 1, and its tapered surface (23) is 1.1 against the claw (16) of the lower adapter (10).
] 2j displacement. Theba side (23) is winter melon (16)
The winter melon (16) is opened and closed against the elasticity of the plate spring (20) and the coil spring (22), and a cap is pressed onto the inner surface of the center hole (4A) of the rim (2A).
It will be done. In short, the elasticity of the coil spring (36) and the wedge action of the Taber cone (14) cause the winter melon (1G
) or the center hole of a center hole type automobile wheel (48)
There is a message that is pushed inside. This allows the center hole type automobile wheel to be centered.

Also, when the upper adapter (8A) is lowered, its engagement pin (42) is connected to each bolt hole hole (6A) of the automobile wheel.
It is engaged with the rim (2A) at the position. Each engagement bin (42
) contacts the insertion pin (48) of the lower adapter (10), and the insertion pin (48) is pushed down against the elasticity of the coil link (52), activating the proximity switch (54). Therefore, it is possible to determine whether the insertion pin (48) is inserted into the L1 hole (6A) of the automobile wheel. When the automobile poi) L is center-linked and the through rod (25A) is further lowered, it is pushed into the engaging pin (l) 2) or the rim (2A) by the spring of the coil and spring (4G). ;J
The rim (2A) is pushed onto the support surface (I2) of the lower swallowtail (10). When this happens, it is caught between the upper adapter (8A) and the lower adapter (10) and is chucked.

Therefore, when the rotating main shaft (24) is rotated, the torque is transmitted to the rim (2A) by the insertion pin (48) of the lower adapter (lO) and the engagement pin (42) of the upper adapter (8A). , the automobile wheel has a rotating main shaft (24
) rotates in one plane. Therefore, it is possible to perform a dynamic balance test on automobile wheels.

Pol)・To chuck Yashiro Motors wheels,
Place zonori 1, (2B) on the support surface of the lower adapter (10) (
12) Support! ji- is fine. When the rim (2B) contacts the insertion pin (48) of the lower footbutt (10), the insertion pin (48) is pushed down against the elasticity of the coil spring (52). Therefore, the rim (2B) can be supported on the support surface (12) without any problem. after that,
Connect the other upper adapter (8B) to the lower adapter (10)
When it descends during this time, the penetration rod (25B) partially penetrates the Taber cone (11I>) of the adapter (10),
1 to the inner hole of the roll rod (26). Therefore, when l;'D-r+sol;' (2G) is pulled down by the drive mechanism, the clamping piece (28) is engaged with the through-hole F (25B), and the through-hole F (25B) is engaged with the through-hole F (25B).
B) is connected to 1-(26). When the draw rod (26) is further lowered, the through hole L]t (25B) is pulled down to be flush with the lower rod (26). However, this "two-part adapter (8B
) to the coil link (3G> and engagement link (38
), so you can't press the Depah cone (14>).Therefore, each mold (16) has a Taber cone (11
Due to the wedge action of 1>, it cannot be pushed into the center hole (=IB) of the car wheel.

When the two-part adapter (8B) is lowered, its kite bin (5G) passes through the bolt hole (6B) of the car wheel and is inserted into the insertion hole (62) of the lower adapter (10). TororotsuF'<26) is responsible for the loss of F(25)
A) When pulled down, the guide pin (56) fits into the bolt hole (6B) of the vehicle wheel and comes into close contact with its inner surface. This results in porthole power (automobile wheel force).
It is centered. Through-lot (25A
), then the coil spring (60
) is pushed into the bolt hole (6B) of the automobile wheel by the elasticity of the guide bin (56), and the rim (2B
) is pressed against the support surface (12) of the lower adapter (10). Do you want a car wheel?'' Part of the adapter was caught between the adapter (8A) and the lower adapter (10).
Chaturenge is done.

Thereafter, the rotational main force Φ+l+(24) is transmitted to the automobile wheel glues 1 and (2B) by the respective guide bins (56). Therefore, it should be rotated in one plane with an automobile wheel (18!1 rotation spindle (2〆)) and subjected to a dynamic balance test.

This device allows the use of a common lower adapter (10) for center entry and vehicle wheel entry;
1, There is no need to replace (1>.) One-hole adapter (8
AL (8B) was selected and the replacement deviation was just a good amount. Then, the substitute car wheels can be randomly transferred to the lower adapter (10) position and dynamic balance tests can be carried out sequentially and continuously. For the upper adapters (8A), (8B), a transfer device with a drive mechanism, such as a cylinder that operates laterally and downwardly, is used, and each adapter (8A), (8B)
The upper end of the device is detachably attached to the transfer device. And the transfer device

[Brief explanation of drawings]

1. IF is a sectional view showing one embodiment of the present invention, and FIG. 2 is a plan view of the F section-7' doublet in FIG. 1. (48)・・・・・・・・・・・・・・・Center hole (6B)・・・・・・・Holt hole (8Δ)
, (8B)...Top adapter (10)...
・・・・・・Lower adapter (14)・・・・・・
・・・・・・－・・・Theba Corn (16)・・・・・・
... ...Claw (36) - ... Coil spring (5G) ... ...Guide bin patent applicant Legal company Shimadzu representative Kenbu Niimi (1 other person)

Claims (1)

[Claims] A bolt-hole type white wheel is a type in which a bolt is tightened into a hole in the rim for centering, and a center hole type automobile wheel is a type in which a center hole in the rim is fitted onto an axle and centering is performed. The device is used for chucking each automobile wheel between an upper adapter and a lower adapter, and is composed of a combination of two types of two-part adapters and one type of lower adapter, and among these adapters, the lower adapter has a tapered part I which is held movable in the vertical direction and an opening/closing member which is held so as to be openable and closable in the radial direction around the tapered member at a position corresponding to the center hole of the automobile wheel, and one upper adapter has elastic means for pressing down the tapered member when chucking the center hole type automobile wheel, and the opening/closing member is pressed against the inner surface of the center hole by the elasticity of the bullet 11 means and the wedge action of the tapered member, and the opening/closing member is pressed against the inner surface of the center hole. The other upper adapter has a guide pin that fits into the bolt hole when chucking the bolt-hole type car wheel, and the bolt-hole type car wheel can be centered to the center. An automobile pole jacking device characterized by being able to perform the following functions.