JPS6212521Y2 - - Google Patents

Description

[Detailed description of the invention] Technical field The present invention relates to the structure of a work table for mechanical devices such as measuring instruments, machine tools, electric discharge machines, electrolytic processing machines, etc., and in particular, the table surface is a wear-resistant and corrosion-resistant non-metallic surface. The present invention relates to a table for placing a workpiece, which is formed into a T-groove and has multiple T-grooves.

Prior Art The work table of the above-mentioned mechanical equipment has the function of placing and fixing a work, and depending on the purpose of use, the table surface has excellent properties such as excellent wear resistance and corrosion resistance, as well as insulation properties. is required. In order to meet these demands, metal,
In particular, instead of iron tables, tables, surface plates, etc. are made of non-metallic materials with excellent wear and corrosion resistance. Typical examples of such non-metallic materials include ceramics and granite. etc. However, in the case of such typical non-metallic materials, it is extremely difficult to process and form multiple T-grooves for mounting a workpiece on the surface of a table, surface plate, etc. In other words, since the workability is significantly inferior to that of metal materials, it is extremely difficult to form a T-slot from the table surface toward the inside. In addition, since these non-metallic materials are brittle, when a T-groove with a normal convex cross section is used, when a load is applied to the jaws forming the T-groove when a workpiece is attached, It has the disadvantage of causing chipping, and also has the disadvantage of tending to increase manufacturing costs.

Purpose and Structure of the Invention Therefore, the purpose of the present invention is to make the table base made of metal, and to inject wear-resistant and corrosion-resistant material on the top surface of the metal table base, in order to eliminate the various drawbacks of the prior art described above. It is an object of the present invention to provide a workpiece mounting table for a mechanical device having an improved structure in which non-metallic material members are laid and fastened.

According to the present invention, in a table having a wear-resistant and corrosion-resistant non-metallic surface, a metal table base and a multi-striped T-groove are formed by being laid closely to the top surface of the table base. a plurality of T-groove forming members made of wear-resistant and corrosion-resistant non-metallic material, and a female screw hole for mounting drilled in the top surface of the table base for mounting the T-groove forming members. A table having a wear-resistant, corrosion-resistant non-metallic surface configured with mounting screws that are tightened through holes is provided, and the T-groove forming members are separately formed in advance. Not only is it easier to manufacture the table, but the T-groove portion can be provided with an appropriate structure that prevents chipping due to the tightening load when mounting the workpiece. Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

FIG. 1 is a perspective view showing one embodiment of a table having a wear-resistant and corrosion-resistant non-metallic surface according to the present invention, FIG. 2 is an enlarged cross-sectional view showing the detailed structure of the embodiment, and FIG. 3 is a perspective view showing the shape of a T-slot forming member used in the embodiment.

In FIGS. 1 to 3, a table 10 according to this embodiment is provided with a metal table base 12 on the lower side. Iron is suitable as the metal material for this table base 12, and it is formed as a single metal plate with appropriate vertical and horizontal dimensions and thickness dimensions depending on the purpose. Female screw holes 14 used for attaching and fixing a T-groove forming member 20, which will be described below, are bored in a pre-designed arrangement. A plate member 18 having an appropriate thickness is placed on the top surface 16 of the table base 12, and covers the top surface of the metal table base 12. This plate member 18 is provided to prevent the metal top surface of the metal table base 12 from being exposed and corroded, and therefore may be formed from a plate of a non-metallic material having corrosion resistance. That is, work tables for electrolytic machining machines, electric discharge machines, etc. require a structure that prevents corrosion due to water exposure. Note that the above-mentioned corrosion-resistant plate member 18 has a female threaded hole 1 for mounting bored in the metal table base 12.
A circular hole through which a mounting screw 30 passes is formed at a position corresponding to 4.

Now, on the upper surface of the plate member 18 mentioned above, there is a wear-resistant
T-groove forming members 20 made of a corrosion-resistant, electrically and thermally insulating non-metallic material, such as ceramic, granite, or a stone material having the same material properties, are laid in close contact with each other, and are placed adjacent to each other. A T-slot 22 into which a T-slot bolt 32 is fitted is formed between the T-slot forming members 20. For this purpose, the T-groove forming member 20 is formed as a shaped member having a vertical rib portion 24 and a horizontal beam portion 26, as clearly shown in FIGS. 2 and 3. In this case, according to the present invention, the surface 26a of the cross beam portion 26 is further provided.
constitutes a table surface forming part, and has an inclined surface 26 on the back surface.
Both horizontally protruding portions having an angle b form a T-groove 22 together with the vertical rib portion 24. By having the above-mentioned inclined surface 26b, the shape of the T-groove 22 in the present invention is different from a normal convex T-groove,
Since it has an upward slope, as can be understood from Fig. 2, even when it engages with the base 34 of the T-slot bolt 32 during tightening of the workpiece, the cross beam portion 26 can sufficiently withstand the tightening load and will not be chipped. It is. In addition,
A mounting hole 3 through which a mounting screw 30 passes through the vertical rib portion 24 from the surface 26a of the horizontal beam portion 26.
6 are formed in an arrangement that matches the mounting female screw holes 14 of the metal table base 12 described above. Therefore, by screwing the mounting screw 30 into the female threaded hole 14 of the table base 12 through this mounting hole 36 and tightening it, each T-groove forming member 20 and the above-mentioned plate member 18 are attached to the table base 12. It can be firmly attached and fixed on the top surface. Note that after the mounting screw 30 is firmly screwed into the mounting hole 36 of the T-groove forming member 20, a filler is poured in to close the mounting hole 36. As this filler, a silicone resin or the like may be used, but preferably ceramic powder may be mixed with a hardening agent and filled. After the filler has sufficiently hardened, the entire surfaces 26a of the plurality of installed and fixed T-groove forming members 20 are simultaneously polished and finished so as to form a uniform horizontal surface.

Here, as described above, by filling the mounting hole 36 with a filler material, corrosive fluid may flow into the mounting hole 36 and corrode the metal of the base, or chips may flow into the mounting hole 36. This eliminates problems such as clogging with debris. and all nonmetallic surfaces 26
By uniformly polishing a at the same time, unevenness in height between multiple T-groove forming members is eliminated, and the part filled with filler is also finished flat, resulting in a table with ideal flatness. .

Here, since the T-groove forming member 20 described above is formed in advance as a single component made of a non-metallic material such as ceramic or granite, the vertical rib portion 2 described above is
4 and the cross beam portion 26 can be manufactured relatively easily, and in particular, the processing for retaining the inclined surface 26b is also facilitated because the T-groove forming member 20 is processed and formed in advance as a single component. It will be done. In the case of ceramic material, the T-groove forming member 20 may be formed using a well-known method of filling ceramic powder in advance into a mold and sintering it.
When granite is used, the T-groove forming member 20 is formed by cutting out raw stone.

FIG. 4 shows another embodiment of the present invention in which a substrate portion 28 is further provided below the vertical rib portion 24 of the T-groove forming member 20 described above.
By laying the groove forming members 20' in contact with each other on the top surface 16 of the metal table base 12, the plate member 18 in the previous embodiment can be omitted. Therefore, the T-groove forming member 20'
are laid one after another on the top surface of the metal table base 12,
By mounting and fixing with the mounting screws 30, it is possible to manufacture a table according to the present invention having a wear-resistant and corrosion-resistant non-metallic surface.

Effects of the Invention As is clear from the above explanation, the present invention has a metal table base and a multi-striped T-groove that is laid closely together on the top surface of the table base. a T-groove forming member made of a wear-resistant and corrosion-resistant non-metallic material that forms a table surface;
Since it is composed of a mounting screw for mounting and fixing both of the above, the T-groove can be formed easily and at low cost. In addition, since the T-slot has an ascending slope, it can sufficiently withstand the load when mounting the workpiece and prevent the T-slot forming jaw from chipping.It also has abrasion and corrosion resistance as well as electrical and thermal insulation properties. Thus, a table for a mechanical device is provided that can serve a variety of purposes.

Moreover, in the present invention, after attaching a plurality of T-groove forming members made of non-metallic materials to the base, the recessed portions of the mounting holes opened on the surfaces of the T-groove-forming members are filled with a filling material, and the non-metallic surfaces are evenly distributed. Since the surface and the base are simultaneously polished, it is possible to obtain the same shape and flatness as a table in which the surface and base are integrally formed. Further, even if a chip occurs in the T-groove portion, only the T-groove forming member needs to be replaced, and partial repair is possible. When replacing the T-groove forming member, it is necessary to remove the chipped T-groove forming member, fill in the recesses of the replaced T-groove forming member with filler, and simultaneously polish the entire table surface uniformly again. Therefore, there is no need to rebuild the entire table, which saves time and cost. Furthermore, since the table base itself is made of metal, it has greater rigidity than if the entire table were made of brittle non-metallic material as one piece, and the rigidity is reduced by bonding a separate member called the T-groove forming member. can be supplemented together.

[Brief explanation of drawings]

1 is a perspective view showing the structure of a table having a wear-resistant and corrosion-resistant non-metallic surface according to an embodiment of the present invention; FIG. 2 is an enlarged partial sectional view taken along the line - in FIG. 1; Figure 3 shows the wear resistance used for the same table.
FIG. 4 is a perspective view showing the shape of a T-groove forming member made of a corrosion-resistant non-metallic material, and FIG. 4 is a perspective view showing the structure of another embodiment of the T-groove forming member. 10...Table, 12...Table base, 1
4...Female screw hole, 16...Top surface, 18...Plate member, 20, 20'...T groove forming member, 22...T
Groove, 24...Vertical rib portion, 26...Horizontal beam portion, 3
0...Mounting screw, 32...T-slot bolt.

Claims (1)

[Claims for Utility Model Registration] 1. A table having a wear-resistant and corrosion-resistant non-metallic surface, comprising a metal table base and a top surface of the table base having the same length as the table base. and a plurality of T-groove forming members made of a wear-resistant and corrosion-resistant non-metallic material that form multiple T-grooves by being laid in parallel, and a plurality of T-groove forming members formed from a wear-resistant and corrosion-resistant non-metallic material, which are perforated on the top surface of the table base. and a mounting screw that is tightened through the mounting hole of the T-groove forming member into the female threaded hole for mounting provided in the T-groove forming member.
The groove forming member has vertical ribs and a table surface forming beam, and by having an inclined surface on the back surface of the table surface forming beam, each of the multi-striped T grooves is formed into a T groove with an upward slope, and the mounting Abrasion resistant and corrosion resistant, characterized in that the recessed portion of the mounting hole on the surface of the T groove forming member after tightening the screw is filled with a filling material, and the nonmetallic surface is simultaneously polished uniformly. A table with a non-metallic surface. 2. The wear-resistant and corrosion-resistant non-metal according to claim 1, which has a non-metal layer portion between the plurality of T-groove forming members and the metal table base. A table with a surface.