KR200296631Y1 - A rim fixing apparatus - Google Patents

Abstract

The present invention relates to a device for grinding wheels, that is, rims used in the production of wheels used in transportation equipment, such as automobiles, the rim fixing device is a fixed holder axially supported on the support shaft to be idling, It consists of a flow holder which is axially supported on the support shaft and is movable up and down, and a motor configured to apply a rotational force to one side of the axially supported fixed holder, wherein the fixed holder and the flow holder are triangular shaped support points. To have.

Description

Rim Fixture {A RIM FIXING APPARATUS}

The present invention relates to a rim fixing device, and more particularly, to a device for polishing wheels, that is, rims used in the production of wheels used in transportation equipment such as automobiles, and a polishing method using the device. .

Wheels used in transportation equipment such as automobiles are composed of a rim supporting a tire and a part supporting a rim on a hub, and its configuration varies depending on the use of a large car and a passenger car. There is.

That is, in the case of the spoke wheel, the rim and the hub are combined with spokes, which are light and have good shock absorption, and can be used for compact cars because of the good cooling of the brake drum. In the case of the spider wheel, the radial rim support (spider) ), It is easy to cool the brake drum and easy to combine even if the tire diameter is large, so it is mainly used in heavy vehicles and large vehicles.

In other words, in the construction of such a wheel, the rim combined with the tire is produced and then welded with other parts (spokes, rim supports, etc. in this case) to be completed. Done.

In addition, after the production of the rim, the polishing process is essentially used for the plating treatment on the parts that are not combined with the other tires.

In the conventional polishing method, since the produced rim is polished manually using a grinder, much effort and experience are required.

The present invention is to solve this problem,

An object of the present invention is to provide a rim fixing device that is convenient when polishing by fixing the rim to facilitate the polishing of the rim.

The purpose is to stabilize the rim by the two fixed holders and one flow holder of the support shaft forming a triangular shape, it is stable and firmly fixed to provide convenience when polishing the rim.

1 is a front view showing a rim fixing device of the present invention used in polishing,

Figure 2 is a side view of the rim fixing device of Figure 1,

3 is a front view showing a process of polishing using the rim fixing device of the present invention,

4 is a plan view illustrating a process for polishing in FIG. 3;

5 is a process flow chart showing a method of polishing a rim used in the present invention.

Explanation of symbols for main parts of the drawings

1: rim 2: fixed plate

3, 25, 35: Pneumatic cylinder 5: Fixture

6: support plate 10: rim fixing device

11, 23, 33: motor 15, 16: fixed holder

17: floating holder 15 ', 16', 17 ': rubber roller

20, 30: grinding machine 21, 31: support plate

22, 32: polishing member S1: triaxial fixing process

S2: Polishing Process S3: Polishing Process

In the present invention, the rim fixing device which is convenient when the rim is easily fixed and polished in the present invention, the rim fixing device is fixedly supported by the shaft axially rotatable on the support shaft, and axially rotatably supported on the support shaft and simultaneously moves up and down. And a motor configured to exert a rotational force on one of the axially supported fixed holders, wherein the fixed holders and the floating holders have triangular shaped support points so that the rim is fixed therein. In addition, the floating holder is supported by the shaft is characterized in that it is configured to be connected to the pneumatic cylinder through the fixing and the support plate.

In addition, the grinding method of the rim using the fixing device is a three-axis support process for fixing the rim by using the rim fixing device to the fixed holder and the flow holder to form a triangular support point, grinder polishing, first sandpaper polishing And a third sandpaper polishing process to polish the inside of the rim, and a polishing process to finish the surface of the rim polished using a burlap cloth and a varnish.

In particular, the first to third sandpaper polishing process in the polishing process can be achieved by selectively treating and polishing according to the type of rim.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a front view showing a rim fixing device of the present invention used in polishing.

The rim fixing device 10 is composed of fixed holders 15 and 16 having two fixed support shafts and a flow holder 17 having one flow supporting shaft. It is fixed by the axial holder 15-17.

Here, 1 represents a rim, and in order to support such a circular rim 1, a three-point fixing method is used, which is fixed by three support shafts in the holders 15-17.

As described above, in the case of the three-point fixing method, the circular shape can be fixed regardless of the size of the rim 1, and in the case of the four-point fixing method, it is difficult to accurately fix the floating point.

As described above, the three support shafts are provided with respective fixed holders 15 and 16 having two fixed support shafts, and a flow holder 17 having one flow support shaft. ), 16 and the flow holder 17 is a rubber roller (15'-17 ') is applied in a circular roll shape, respectively.

Each holder 15-17 is axially supported in a structure capable of idling about the support shaft, the fixed holder 15 is connected to the motor 11 through a belt, and the flow holder 17 is The upper part is connected to the fixed base (5) and passes through the support plate (6) to the structure that is connected to the pneumatic cylinder (3).

And the fixed holder 16 is axially supported so that it can idle in the support shaft itself.

Fig. 2 shows a side view of the rim fixing device, and the same reference numerals are given to the same structure as that of Fig. 1.

Here, the rim 1 is fixed between the fixed holder 15 and the flow holder 17, and the upper flow holder 17 is connected to the holder 5, and then passes through the supporting plate 6 to pneumatically. The structure connected with the cylinder 3 is shown more clearly.

Here, 11 is a motor, the flow holder 17 can be moved up and down by the upper pneumatic cylinder (3).

Figure 3 is a front view showing a process of polishing using the rim fixing device of the present invention.

As described above, the rim fixing device 10 is fixed by three fixing shafts (fixing by the fixing holders 15 and 16 and the floating holder 17), and a fixing plate 2 is installed on the front of the rim fixing device 10. It is.

The grinders 20 and 30 are provided on the fixed plate 2 on the right and left side thereof, and the grinders 20 and 30 support the support plates 21 and 31 installed on the fixed plate 2 so as to be able to rotate left and right. 21, 32, and a motor 23 mounted on the support plates 21, 31 for rotating the polishing members 22, 32, and the polishing members 22, 32, which are axially supported on the support members. And (33), the support plates (21) and (22) are equipped with pneumatic cylinders (25) and (35) and are configured to move the support plates (21) and (22) left and right.

The abrasive members 22 and 32 may be replaced with a grind, sandpaper, gloss cloth, or the like as replaceable members.

In the present invention configured as described above will be described with respect to the rim fixing device.

Before using the rim fixing device 10 as shown in Figure 1 by driving the upper pneumatic cylinder (3) to raise the upper flow holder 17 to the position shown by the dotted line, the rim (1) can be inserted Free up space.

Next, the rim 1 is inserted between the fixed holders 15 and 16 to be supported, and then the upper pneumatic cylinder 3 is operated to allow a constant air pressure to be applied. The rim 1 is fixed.

That is, when the cylinder 3 is lowered by air pressure, the holder 5 penetrated by the support plate 6 is lowered to support the rim 1 while the flow holder 17 is lowered. Pressure is applied to the rim to the value set by the experimental value.

And the flow holder 17 and the fixed holder 15, 16 that is fixing the rim (1) is a structure that can be rotated about each axis, the shaft holder is supported, respectively, of the fixed holder (15) The shaft has a structure that can be rotated by the motor 11, so that when the fixed holder 15 is rotated by the motor 11, the rim 1 is in close contact with the fixed holder 16 while rotating The flow holder 17 is idle at each support shaft.

As a result, the rim fixing device 10 is fixed at three points of a triangular shape with respect to the fixing holders 15 and 16 and the flow holder 17, on which three support shafts are installed, so that it is stable and firmly fixed. There is an effect that can be, if the size of the rim (1) is a size that can be fixed in the left and right fixed holder (15, 16) has the effect that can be fixed without limitation on the size of the rim.

Next, a polishing apparatus using such a rim fixing apparatus 10 will be described.

In FIG. 3, the rim 1 is fixed in the rim fixing device 10 between the floating holder 17 and the fixing holders 15 and 16, which are three points in the same manner as in FIGS. 1 and 2. do. Such a rim fixing device 10 has three points forming a triangular point is stable and firmly fixed.

When the motor 11 of FIG. 2 is driven, the rim 1 rotates while being fixed to the fixed holder and the flow holder.

At this time, using the pneumatic cylinders 25 and 35 of FIG. 3, the desired polishing apparatus 20 and 30 are selected and polished.

That is, when the pneumatic cylinders 25 and 35 are driven, the support members 21 and 31 are rotated by the air pressure, and the polishing member 22 axially supported by the respective support plates 21 and 31. When approaching the inside of the rim 1, 32 is selected, and the motors 23 and 33 of the polishing apparatus 20 and 30 to be driven are selected and driven, the selected polishing member As the 22 and 32 rotate, the inside of the rim is polished.

That is, as shown in FIG. 4, the rim 1 is fixed between the fixed holders 15 and 16 and the flow holder 17 and the motor (11 in FIG. 2 is applied with a constant pressure by the pneumatic cylinder 3. Rims 1, fixed holders 15, 16, and flow holders 17 rotate together, and pneumatic pressure is applied when the polishing member 22 is to be polished according to the polishing process sequence. The cylinder 25 is operated to rotate the motor 23 while the polishing member 22 is attached to the inside of the rim 1 to polish the inside of the rim while the polishing member 22 rotates.

As used herein, the polishing members 22 and 32 may be replaced with a grinder, sandpaper polishing material, a polishing cloth, and the like, which can be replaced according to the polishing process.

5 is a process flow chart showing a method of polishing a rim used in the present invention.

This grinding process is mainly used for three-axis fixing process, polishing process, and polishing process.

First, the three-axis fixing process is to fix using the rim fixing device 10 described above

The rim is fixed between the support shaft using two fixed holders and the support shaft using one flow holder. In this way, the rim is supported by three support shafts in a triangular shape, so that the rim that can be fixed between the support shafts corresponding to the base side is less restricted in its size and can be stably and firmly supported.

As described above, the rim is stably supported between the fixed holders 15 and 16 and the flow holder 17, and then proceeds to the next step, the polishing step S2.

In the case of grind polishing (S11) in the polishing step (S2), the polishing member 22 uses a grinder (grinding grindstone) to sharpen the surface of the rim 1 Grind for 30 seconds to make it smooth.

In the next step, sandpaper No. 150 is used for 30 seconds in the first sandpaper polishing (S12), and sandpaper No. 220, which is a denser sandpaper than sandpaper used in the polishing of the first sandpaper, is used for the second sandpaper polishing (S13). Secondary sanding is used, and in the third sandpaper polishing (S14), sanding No. 400 is used for 30 seconds to polish the surface of the rim.

Although the above-described polishing process has been described in the case of applying the polishing to the rim for transporting equipment, which is generally used, in the polishing process (S2), the polishing process (S11-S14) of the detailed process is the kind of the rim (1). It may be changed according to the amount of gloss desired, and the sandpaper number used when sanding may also be changed.

And the gloss treatment step (S3) is to apply a varnish to the surface of the rim after the gloss for 30 seconds using a cloth, the cloth uses a type of burlap.

In this way, the three-axis fixing step (S1), the polishing step (S2), the polishing process (S3) in the order to be processed to polish the inside of the rim, and then proceed to the manufacturing process of the three-axis fixed fixation described above. As described above, the rim fixing device 10 shown in FIGS. 1 and 2 is formed.

And the polishing step (S2) and the polishing process (S3) is made in the apparatus attached to the polishing apparatus 20, 30 as shown in Figs.

The above polishing apparatuses 20 and 30 may be replaced with the polishing members 22 and 32, but the same process may be performed next to the polishing apparatuses 20 and 30 for mass production. It can be achieved by laying a plurality of polishing apparatus having a structure, it is also preferable to configure such that the polishing member can be guided into the rim using a pneumatic cylinder.

As described above, the rim fixing device of the present invention has a triangular support shaft which is fixed by two fixing holders and one flow holder, so that the rim can be stably and firmly fixed, thereby providing convenience when grinding the rim. .

In addition, the polishing method consisting of a three-axis fixing process, a sequential polishing process, and a finish polishing process may be performed by using the above-described rim fixing device, and optionally, using a polishing device to operate a desired polishing member. According to the type of rim or the degree of gloss, the user can provide convenience, and there is an effect of changing the conventional polishing method, which was processed by hand, to a semi-automatic mass processing method.

Claims (2)

A fixed holder axially supported on the support shaft for idling, A flow holder which is axially supported on the support shaft to be movable at the same time and is movable up and down, A rim fixing device comprising a motor configured to apply a rotational force to one side of the axially supported fixed holder, wherein the fixed holder and the floating holder have a triangular shaped support point so that the rim is fixed therein. The method of claim 1, Rim fixed device, characterized in that configured to be connected to the pneumatic cylinder through the support and the support plate to the floating holder axially rotatable.