WO2023162533A1

WO2023162533A1 - Machine tool and window frame used in same

Info

Publication number: WO2023162533A1
Application number: PCT/JP2023/001850
Authority: WO
Inventors: 昌基中林
Original assignee: Ｄｇｓｈａｐｅ株式会社
Priority date: 2022-02-28
Filing date: 2023-01-23
Publication date: 2023-08-31
Also published as: JP2023124921A

Abstract

The present invention inexpensively provides a high-performance machine tool by reducing the number of components and making assembly easy.　The machine tool according to the present invention is provided with a body frame which defines a plurality of spaces and a window frame which delineates a plurality of window sections. The plurality of window sections is provided to the body frame, each window section respectively opens up the spaces, and the window frame integrates the whole.

Description

Cutting machine and window frame used therefor

This invention relates to cutting machines and improvements to window frames used therein.

A dental milling machine as a cutting machine disclosed in Patent Document 1 includes a stock section for stocking workpieces and a cutting section for cutting workpieces.
The cutting machine is provided with a space for accommodating each device such that the stock section accommodates a holding device for holding a workpiece, and the cutting section accommodates a cutting device.
These spaces are open on the side facing the operator (that is, the front side), and this open portion is called a window. The window is defined by a window frame.

JP 2018-89763 A

In the cutting machine, the stock part and the cutting part have different functions. In conventional cutting machines, each machine is designed independently and then integrated into a single cutting machine. In other words, in one cutting machine, the space for accommodating the holding device and the space for accommodating the cutting device have been designed independently.
As a result, the windows open to the front side in each space were defined by independent window frames.
With the recent demand for automation, a cutting machine is required to have functions other than holding a workpiece and cutting. A space for accommodating a device that performs such a function is added in the cutting machine, and the window frame is also added according to the space.
As described above, if the number of window frames increases according to the space, the number of parts increases, and moreover, it takes time and effort to assemble.

The present invention has been made to solve such problems, and the first aspect thereof is defined as follows. Namely
a body frame defining a plurality of spaces;
A cutting machine, wherein the body frame is provided with a plurality of windows, and each window opens the space,
The milling machine further comprising a window frame defining the plurality of windows, wherein the window frame is in one piece.

According to the cutting machine of the first aspect defined in this way, since the window frame is integrated with the plurality of spaces, the number of parts is reduced compared to the conventional product, and the assembly is easy. . Therefore, it becomes possible to provide a highly functional cutting machine at a low cost.

The purpose of opening and closing the window portion of the functional device to be housed in the cutting machine with a door is to ensure safety and soundproofing and to allow the operation of the functional device to be visually recognized.
On the other hand, some functional devices housed in cutting machines do not require a door, such as an operation panel.
From the standpoint of the design of the cutting machine, it is preferable to arrange doors with a uniform design in all the windows. On the other hand, when arranging a window without a door, it is preferable to make the design of the window and the design of the door consistent. Therefore, the second aspect of the present invention is defined as follows.

In the cutting machine defined in the first aspect, a first window of the plurality of windows is covered with a first door that opens and closes the first door, the first door is provided with a first garnish,
A second window portion of the plurality of window portions has no corresponding door, and a retainer is attached to the window frame of the second window portion, the retainer supporting a second garnish to support the second window portion. Two garnishes are aligned with the first garnish of the first door.
According to the cutting machine of the second aspect defined in this way, since the window frames of the first window portion and the second window portion are integrated, the first door is attached to the window frame of the first window portion. and the position of the retainer attached to the second window can be easily aligned. As a result, alignment between the first garnish of the first door and the second garnish supported by the retainer is facilitated. Here, alignment refers to aligning the objects so that their continuity, integrity, or relationship is not impaired, at least when the cutting machine is viewed from the front.

When a cutting machine has four windows in the shape of a square, only the second window has no door, and the other doors have doors, the cutting machine shall be specified as follows. (third phase).
In the cutting machine of the second aspect, the cutting machine is a dental cutting machine, the body frame is provided with four spaces,
The window frame forms a cross-shaped hole, the cross-shaped hole is the first to fourth windows, and the first to fourth windows face the four spaces, respectively. the window frame is attached to the body frame, and
said first, third and fourth windows are covered by first, third and fourth doors respectively;
In the first, third and fourth doors, a garnish is provided on the edge corresponding to the outer edge,
The second window portion does not have a corresponding door, and a retainer is provided on the edge of the window frame of the second window portion corresponding to the outer edge of the square square, and the retainer supports the second garnish. The second garnish is then aligned with the first garnish of the first door and the third garnish of the third door.
This aspect can also be described as follows.
In the cutting machine of the second aspect, the cutting machine is a dental cutting machine, wherein the body frame has four rectangular holes defined in a grid pattern,
the window frame is attached to the body frame, the hole portion being first to fourth window portions, the first to fourth window portions being arranged to face the four spaces, respectively;
said first, third and fourth windows are covered by first, third and fourth doors respectively;
In the first, third and fourth doors, a garnish is provided on the edge corresponding to the outer edge,
The second window portion does not have a corresponding door, and a retainer is provided on the edge of the window frame of the second window portion corresponding to the outer edge of the square square, and the retainer supports the second garnish. The second garnish is then aligned with the first garnish of the first door and the third garnish of the third door.

If the door is of the door type, a hinge is attached to one edge of the door. In order to ensure mechanical rigidity, the hinge is supported by the body frame, i.e. pivoted to the body frame.
On the other hand, since the door is arranged for each window frame, if the positional alignment between the body frame and the window frame is insufficient, the positional alignment between the garnish of each door and the garnish supported by the retainer of the second window portion will be misaligned. may be inadequate. Therefore, the fourth aspect of the present invention is defined as follows.
In the cutting machine of the third aspect, the body frame is provided with a reference frame having a support surface facing the direction of gravity,
The window frame is provided with a supported frame supported on the supporting surface of the reference frame,
the first, third and fourth doors are pivotally attached to the body frame to be opened and closed;
By supporting the supported frame of the window frame on the supporting surface of the body frame, the first and third garnishes and the second garnish are aligned.

According to the cutting machine of the fourth aspect defined in this way, the supported frame of the window frame is supported by the reference frame of the body frame, so the positions of the window frame and the body frame are stabilized. Therefore, the positions of the door pivotally attached to the body frame and the retainer of the window frame of the second window portion are also stabilized, thereby stabilizing the positioning of the garnish of the door and the garnish supported by the retainer.

A fifth aspect of the present invention focuses on a window frame applied to a cutting machine, and is defined as follows. Namely
A window frame applied to a cutting machine provided with a body frame defining a plurality of spaces and defining a window portion opening the plurality of spaces,
A window frame made of one piece.
Similarly, the sixth aspect is defined as follows.
The window frame defined in the fifth aspect, wherein the window frame is provided with a supported frame supported on a supporting surface facing gravity in a reference frame provided on the body frame,
A retainer that supports the second garnish is provided on the outer edge of the second window that is not covered by the door,
By supporting the supported frame of the window frame on the supporting surface of the reference frame of the body frame, the second garnish is aligned with the first garnish of the first door covering the other window.

Similarly, the seventh aspect of the invention is defined as follows.
The window frame defined in the sixth aspect, wherein the window frame is in the shape of the square square, and the second window portion configured by one hole of the square square corresponds to the outer circumference of the square square. The retainer is attached along the outer edge.

FIG. 1 is a perspective view showing a cutting machine according to an embodiment of the invention. FIG. 2 is a front view of the same. FIG. 3 is a perspective view showing the frame structure of the cutting machine. FIG. 4 is a perspective view showing the base frame in the frame structure. FIG. 5 is a perspective view showing the structure of the window frame. FIG. 6 is a front view of the window frame. FIG. 7 is a side view of the window frame.

FIG. 1 shows a perspective view of a dental milling machine 1 (hereinafter simply referred to as processing machine 1) as a cutting machine according to an embodiment of the present invention. FIG. 2 is a front view of the same.
This processing machine 1 has a housing 3 which has a shogi piece shape when viewed from the side and which is open at the front. The front of the housing 3 is divided into four windows 10, 20, 30 and 40 in the shape of a square.

A first door 11 is attached to the first window portion 10 . The first door 11 rotates about the right edge as viewed in the drawing. Reference numeral 13 is a handle. First garnishes 15A and 15B are attached to the first door 11 along its outer edge. In this example, frame-like elongated members are employed as the first garnishes 15A and 15B. The first door 11 includes a frame 16 that supports the first garnishes 15A and 15B, and a translucent plate 17 surrounded by the frame 16. As shown in FIG. The translucent plate 17 is made of glass or the like so that the inside can be visually recognized.
In the space inside the first window portion 10, a holder for a tool required for cutting is arranged.

No door is attached to the second window portion 20 .
Second garnishes 25A and 25B are attached to the outer edge of the second window portion 20. As shown in FIG. The second garnishes 25A, 25B are the same members as the first garnishes 15A, 15B. That is, they have the same cross section and surface texture and are made of the same material.
A control panel is arranged in the second window portion 20 . A pattern 23 continuing from the handle 13 of the first door 11 is drawn on the surface of the control panel.

A third door 31 is attached to the third window portion 30 . The third door 31 rotates about the left edge as seen in the drawing. Reference numeral 33 is a handle. This handle 33 is continuous with the pattern 23 of the control panel when viewed from the front. Third garnishes 35A and 35B are attached to the third door 31 along its outer edge. The third garnishes 35A, 35B are the same members as the first garnishes 15A, 15B. The third door 31 includes a frame 36 that supports the third garnishes 35A and 35B, and a translucent plate 37 surrounded by the frame 36. As shown in FIG.
A cutting device (milling machine) is arranged in the space inside the third window portion 30 .

A fourth door 41 is attached to the fourth window portion 40 . The fourth door 41 rotates around the left edge as seen in the drawing. Reference numeral 43 is a handle. Fourth garnishes 45A and 45B are attached to the fourth door 41 along its outer edge. The fourth garnishes 45A, 45B are the same members as the first garnishes 15A, 15B. The fourth door 41 includes a frame 46 that supports the fourth garnishes 45A and 45B, and a translucent plate 47 surrounded by the frame 46. As shown in FIG.
A holding device for a cutting object (workpiece) and its changer are arranged in the space inside the fourth window portion 40 .

FIG. 3 is a perspective view showing a so-called framework (frame structure) from which the outer frame plate, the door, and the internal functional devices are removed from the processing machine 1. FIG.
As shown in FIG. 3, the framework of the processing machine 1 is roughly composed of a window frame 100 and a body frame 200. As shown in FIG.
A body frame 200 is formed by assembling side wall panels 201 and 202 to a base frame 210 . The side wall panels 201 and 202 have a shogi piece shape when viewed from the side. The base frame 210 has a structure in which a first partition plate 213, a second partition plate 215, and a third partition plate 217 are erected on a base plate 211, as shown in FIG.

The window frame 100 is supported by the upper edge 230 of the first partition plate 213 which stands from substantially the center of the base plate 211 .
The second partition plate 215 and the third partition plate 217 are arbitrarily designed according to the functions and weights of various functional devices housed in the body frame 200 .
In FIG. 4 , the front side of the space defined by the base plate 210 , the first partition plate 213 , the second partition plate 215 and the plate 220 bridged between them becomes the third window portion 30 . A person skilled in the art will understand that four spaces are formed in the body frame 200 with the third window portion 30 as a reference, and each window portion is formed on the front side of each space.

A window frame 100 is shown in FIG.
The window frame 100 includes a flat plate portion 101 defining a window portion, and flange portions 102 and 103 bent from left and right vertical edges of the flat plate portion 101 toward the back side as viewed in the drawing.
The flat plate portion 101 defines first to fourth window portions with three vertical frames 101Y1, 101Y2 and 101Y3 in the vertical direction and two horizontal frames 101X1 and 101X2 in the horizontal direction. In this example, at the upper edge of the flat plate portion 101, the horizontal frame forming the cross is omitted. A top edge plate 120 can take its place.
The vertical frames 101Y1, 101Y2, and 101Y3, the horizontal frames 101X1 and 101X2, and the flange portions 102 and 103 are integrated, and are formed from a single steel plate by press punching and press working.

In the flat plate portion 101, the first window portion 10 is defined by the first vertical frame 101Y1, the second vertical frame 101Y2 and the first horizontal frame 101X1.
The second window portion 20 is defined by a first vertical frame 101Y1, a second vertical frame 101Y2, a first horizontal frame 101X1 and a second horizontal frame X2.
The third window portion 30 is defined by the second vertical frame 101Y2, the third vertical frame 101Y3, the first horizontal frame 101X1 and the second horizontal frame X2.
The fourth window portion 40 is defined by the second vertical frame 101Y2, the third vertical frame 101Y3 and the first horizontal frame 101X1.

On the rear surface of the flat plate portion 101, reinforcing portions are attached according to various functional devices arranged in the corresponding regions. Box-shaped stiffeners indicated by reference numeral 130 are fixed to all the frames 101Y1, 101Y2 and 101X1 that define the first window 10 . The lower surface of this box-shaped reinforcing portion 130 is supported by the upper edge 230 of the first partition plate 213 of the base frame 210 . Since the box-shaped reinforcing portion 130 has a high rigidity, by supporting it with the base frame 210, the positional relationship between the base frame 210 and the window frame 100, and thus the body frame 200 and the window frame 100, can be adjusted. The positional relationship becomes stable.
Side wall panels 201, 202 are connected to the flange portions 102 and 103, respectively.

A retainer 160 having an inverted L shape in front view is attached to the first vertical frame 101Y1 and the second horizontal frame 101X2 that define the second window portion 20 in the flat plate portion 101 . Reference numeral 161 denotes a first connecting member that connects the first vertical frame 101Y1 and the retainer 160, and reference numeral 163 denotes a second connecting member that connects the second horizontal frame 101Y2 and the retainer 160. FIG.
Second garnishes 25A and 25B are fixed to this retainer.

According to the processing machine 1 configured as described above, the four window portions 10 , 20 , 30 and 40 are defined by the flat plate portion 101 of the single window frame 100 .
Furthermore, since the supported frame (reinforcing portion 130) of the window frame 100 is supported by the supporting surface (230, the surface facing the gravity force) of the supporting frame (first partition plate 213) of the body frame 200, the window frame The positions of 100 and body frame 200 are stabilized.
Here, the first door 11, the third door 31 and the fourth door 41 are pivotally attached to the body frame 200 by hinges (not shown). When pivoting each door, the hinges are positioned through the notches 105 formed in the window frame 100, that is, so as not to interfere with the peripheral wall of each notch 105. FIG. As a result, each door and the window frame 100 are positioned, and each door is aligned with the window frame 100 . Since the window frame 100 is one piece, the positions of the doors are also aligned, and thus the positions of the garnishes 15A and 15B, 35A and 35B and 45A and 45B are aligned. At the same time, the positions of the handles 13, 33, 43 are also aligned.

As described above, by adopting a structure in which the window frame 100 is supported by the body frame 200, both are aligned and stabilized. Alignment between the third door 31 and the first vertical frame 101Y1 and the second horizontal frame 101Y2 defining the second window 20 in the window frame 100 is stabilized. Further, the positions of the first door 11 and the third door 31 are also aligned with respect to the window frame 100 by the notch 105 provided in the window frame 100 . Therefore, the positions of the first door 11 and the third door 31 and the first vertical frame 101Y1 and the second horizontal frame 101Y2 defining the second window portion 20 are aligned more precisely.
As a result, the first garnish 15A of the first door and the second garnish 25A attached to the first vertical frame 101Y1 defining the second window portion 20 are aligned, and the third garnish 35A of the third door is aligned. and the second garnish 25B attached to the second lateral frame 101X2 defining the second window portion 20 are aligned. Similarly, the pattern 23 drawn on the control panel and the handles 13 and 33 are also aligned.

Although the processing machine provided with four windows has been described above as an example, the number of windows is not limited to four, and the present invention can be applied to a processing machine provided with a plurality of windows. can be easily grasped by those skilled in the art. Similarly, the position of the window is not restricted.
The shape of the garnish attached to the door and window frame can also be selected arbitrarily.

The present invention is not limited to the embodiments described above and shown in the drawings, and can be modified as appropriate without departing from the scope of the invention.

1 processing machines 10, 20, 30, 40 windows 11, 31, 41 doors 15A, 15B first garnishes 25A, 25B second garnishes 35A, 35A third garnishes 45A, 45B fourth garnish 100 window frame 160 retainer 200 body frame

Claims

a body frame defining a plurality of spaces;
A cutting machine, wherein the body frame is provided with a plurality of windows, and each window opens the space,
The milling machine further comprising a window frame defining the plurality of windows, wherein the window frame is in one piece.
A first window of the plurality of windows is covered with a first door that opens and closes the first door, the first door is provided with a first garnish,
A second window portion of the plurality of window portions has no corresponding door, and a retainer is attached to the window frame of the second window portion, the retainer supporting a second garnish to support the second window portion. 2 garnishes are aligned with the first garnish of the first door.
The cutting machine is a dental cutting machine, and the body frame is provided with four spaces,
The window frame forms a cross-shaped hole, the cross-shaped hole is the first to fourth windows, and the first to fourth windows face the four spaces, respectively. the window frame is attached to the body frame, and
said first, third and fourth windows are covered by first, third and fourth doors respectively;
In the first, third and fourth doors, a garnish is provided on the edge corresponding to the outer edge,
The second window portion does not have a corresponding door, and a retainer is provided on the edge of the window frame of the second window portion corresponding to the outer edge of the square square, and the retainer supports the second garnish. 3. The machine tool of claim 2, wherein the second garnish is aligned with the first garnish on the first door and the third garnish on the third door.
the body frame is provided with a reference frame having a support surface oriented against gravity;
The window frame is provided with a supported frame supported on the supporting surface of the reference frame,
the first, third and fourth doors are pivotally attached to the body frame to be opened and closed;
4. The cutting machine according to claim 3, wherein the first and third garnishes and the second garnish are aligned by supporting the supported frame of the window frame on the supporting surface of the body frame.
A window frame applied to a cutting machine provided with a body frame defining a plurality of spaces and defining a window portion opening the plurality of spaces,
A window frame made of one piece.
The window frame is provided with a supported frame that is supported on a support surface facing gravity in a reference frame provided on the body frame,
A retainer that supports the second garnish is provided on the outer edge of the second window that is not covered by the door,
The second garnish is aligned with the first garnish of the first door covering another window by supporting the supported frame of the window frame on the supporting surface of the reference frame of the body frame. 6. Window frame according to item 5.
The window frame is in the shape of a square square, and the retainer is attached along an outer edge corresponding to the outer circumference of the square square in the second window formed by one hole of the square square. 7. Window frame according to 6.