JPH0333416Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Purpose of the invention] (Field of industrial application) The present invention provides a dresser device for a grinding machine, more specifically, a dresser device for a grinding machine, and more specifically, a dresser device for a grinding machine, which can be used without reducing the table area of the grinding machine.
The present invention relates to a dresser device for a grinding machine that can perform work.

(Prior technology) Dresser devices for grinding machines can be roughly divided into overhead types, which are installed near the top of the grinding wheel, and tabletop types, which are installed on a part of the table of the grinding machine. I use them differently. That is, the former is generally suitable for light-load dressing such as for correcting the flatness of the grinding surface of a grinding wheel. On the other hand, the latter is said to be suitable for cases where the load is large, such as R forming of the ground surface and copy forming using a template.

(Problems to be Solved by the Invention) However, all of the above-mentioned conventional dresser devices have problems. That is, although the former overhead type has good precision in forming the grinding surface of the grinding wheel, on the other hand, it places an extra burden on the grinding wheel head. In addition, thermal deformation has a large effect, affecting product dimensions, and machining accuracy may become unstable.
Furthermore, the latter tabletop type usually occupies more than one-third of the area of the table, significantly reducing the effective area of the table. Therefore, the grinding machine itself becomes large compared to the size of the workpiece.

This idea was devised in view of the above-mentioned conventional problems.It does not substantially reduce the surface area of the table used for placing the workpiece, and allows for extremely quick and easy preparation and release of the dressing position. The purpose of the present invention is to provide a dresser device for a grinding machine that can perform work equivalent to that of a grinder.

[Structure of the invention] (Means for solving the problem) In order to achieve the above-mentioned object, the present invention mounts a jig main body having a rotatable polyhedron on the table of a grinding machine, and A dresser device for a grinding machine was constructed by providing a workpiece on one side and a dresser on the other side.

(Function) By adopting a dresser device in the present invention, a jig main body having a polyhedron is mounted on the table of a grinding machine, a workpiece is placed on one side of the polyhedron, and a dresser is placed on the other side. In addition to being able to perform grinding on a workpiece, by rotating the polyhedron by, for example, 90 degrees, dressing and truing of the grinding wheel can be easily performed with a dresser. Therefore, dressing and truing can be performed without reducing the working area of the table.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Referring to FIG. 1, on a main body 3 of a forming surface grinder 1 serving as a grinder, an extended table 5 is provided which is movable in the left and right directions in FIG. A dresser device 7, which is the main part of this embodiment, is attached to the table 5.
A workpiece W and a dresser 9, the details of which will be described later, are attached to the dresser device 7.

A frame 11 is erected at the rear portion of the main body 3 at approximately the center thereof.
A grinding wheel 13 is attached to the grinding wheel 13, which is vertically movable and rotatable.

With the above configuration, the workpiece W attached to the dresser device 7 is cut by reciprocating the table 5 in the left-right direction in FIG. A predetermined grinding process is then performed.

The dresser device 7 is mounted on the table 5. More specifically, as shown in FIG. 2 and FIG. (left and right direction in the figure). Brackets 19 with bearings are supported on both sides of the rotating shaft 17, and the brackets 19 are fixed to the table 5 with a plurality of bolts or the like.

Therefore, by rotating the rotating shaft 17 using a drive device (not shown), the jig main body 15 is rotated.
will be rotated. Note that the rotation of the jig main body 15 is controlled by an encoder attached to the rotating shaft 17, or the angle is rotated and fixed by setting the angle using a sine bar, block gauge, etc. .

As shown in FIGS. 2 and 3, the jig main body 15 made of a quadrangular prism-shaped polyhedron has, for example, a tetrahedron. For example, a magnetic chuck is embedded in one surface 15A of the tetrahedron, so that the workpiece W can be accurately placed and set as shown in FIG. A dresser 9 is attached to the other surface 15B, which is a vertical surface adjacent to one surface 15A of the tetrahedron.

In other words, the dresser device 7 is composed of the workpiece W attached to one surface 15A of the jig main body 15 and the dresser 9 attached to the other surface 15B.

In this example, the dresser 9 is shown in Figures 3 and 4.
A single dress shown in Fig. 7 below is bolted together.

Dresser device 7 of the grinding machine 1 configured in this way
When not performing dressing or truing,
Perform normal grinding in the posture shown in Figure 3. In other words,
One surface 15A of the jig main body 15 for attaching the workpiece W is rotated and indexed so as to face horizontally upward so that the workpiece W is placed on the upper surface. In this state, the workpiece W
The horizontal target processing surface is the outer peripheral surface 13A of the grinding wheel 13.
Grind with . Alternatively, the jig main body 15 is tilted and rotated accurately by a predetermined angle, and then set
Carry out grinding of other inclined surface parts.

Next, during the grinding process, if the outer peripheral grinding surface 13A of the grinding wheel 13 is to be dressed horizontally, the jig main body 15 is rotated 90 degrees clockwise to set it as shown in FIG. At this time, the grinding wheel 13 is suddenly raised from the state shown in FIG. 3, and the workpiece W is rotated.
Of course, it is necessary to prevent the grinding wheel 13 from coming into contact with the grinding wheel 13. The dresser 9 now faces upward. Subsequently, the grinding wheel 13 is lowered, and the outer peripheral ground surface 13A of the grinding wheel 13 is dressed to a predetermined depth and at a predetermined speed. At this time, the workpiece W is the jig main body 15
It is rotated 90 degrees and held as shown in Fig. 4, while being attached to one side 15A.

When the dressing shown in FIG. 4 is completed, the grinding wheel 13 is raised slightly and the jig main body 15 is rotated counterclockwise by exactly 90 degrees to set it. This returns to the state shown in FIG. 3, and the grinding wheel 15 is lowered and returned to the predetermined height to restart the grinding process. Further, each side surface of the grinding wheel 13 can be dressed by rotating the grinding wheel 13 from the grinding position shown in FIG. 3 by 45 degrees clockwise as shown in FIG. 5 or 135 degrees clockwise as shown in FIG. 6. That is, the right side surface of the grinding wheel 13 in FIG. 5 and the left side surface in FIG. 6 can be dressed respectively.

The dresser 9 can also be used in the same manner as described above by attaching various types of dressers in addition to the single dress shown in FIG. 7. That is, the three-piece dress shown in FIG. 8, the brake dresser or crush roll shown in FIG. 9, or the bow-shaped dress shown in FIG. 10 can be appropriately used for dressing, truing, etc.

As described above, the grinding process and the dressing process are performed by slightly raising and lowering the grinding wheel 13 and by moving the jig body 15.
Switching can be done simply by rotating the set. As a result, switching operations can be performed extremely quickly and easily. In addition, there is no adverse effect on dressing accuracy or other drawbacks as in the case of the conventional overhead type. Furthermore, there is no negative effect of reducing the grinding range, machining length, etc. unlike conventional tabletop equipment.

Furthermore, since this dresser device 7 has an extremely simple structure in which a jig main body 15 that can be controlled to rotate horizontally is mounted on the table 5, it can be installed very easily and at low cost.

The dresser device for a grinding machine of this invention is not limited to the above-mentioned embodiment, and various modifications and applications are possible. For example, in FIG. 3, two types of dressers are attached to the polyhedral workpiece W mounting surface 15 of the jig main body 15.
It is also easy to attach them to the left and right vertical surfaces of A and use them accordingly. Moreover, it goes without saying that the target grinding machine can be similarly applied to other than the forming surface grinding machine, such as a normal surface grinding machine.

[Effects of the invention] As is clear from the above explanation, the dresser device for a grinding machine of this invention can easily and quickly perform work without reducing the work area such as the workpiece attachment area or machining length. Can switch between grinding and dressing work. Furthermore, due to the structure, highly accurate dressing can be performed.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a grinding machine using the dresser device of this invention, Fig. 2 is a perspective view of the dresser device, Fig. 3 is a side view of the part shown in Fig. 2 during grinding, and Fig. 4 is a perspective view of a grinding machine using the dresser device of this invention. Similarly, FIGS. 5 and 6 are side views during dressing, and FIGS. 7 to 10 are schematic views of various dressers used in this apparatus. 1... Forming grinder (grinding machine), 5... Table, 7
... Dresser device, 9... Dresser, 15... Jig body, 17... Rotating shaft, 19... Bracket.

Claims (1)

[Scope of utility model registration request] A dresser device for a grinding machine, characterized in that a jig main body having a rotatable polyhedron is mounted on a table of the grinding machine, a workpiece is provided on one side of the polyhedron, and a dresser is provided on the other side of the polyhedron.