JPH1034491A - Water pan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water pan which prevents from making the floor face dirty by cutting chips and cutting liquid dropping from the lower ends of a lower saddle and lower tool post when the opening/closing door of a whole body cover of a lathe with two slant type saddles opens. SOLUTION: A water receiving cover 12 is provided so as to be able to move along the guide rail 11 extending in an Z axis in adjacent to the cutting tip receiving pan 9 of a whole body cover 6, and an opening and closing door 8, which can move in a Z axis direction to open and close the opening section 7a of the whole body cover 6, and the water receiving cover 12 are detachably connected to each other, and when the opening and closing door 8 normally opens, opening the opening section 7a, the water receiving cover 12, which is connected, moves to the opening section to receive the cutting chips and cutting liquid which drip from the lower end section la and 2a of a lower saddle 1B and lower tool rest 2B, collecting in the cutting chip receiving pan 9 and preventing them from making the floor face dirty. When the operator is required to enter the inside of the machine for set-up changing and maintenance after machining, the water receiving cover 12 is retracted to a position where it does not constitute an obstacle to the set-up changing or maintenance by disconnecting the opening and closing door 8 and the water receiving cover 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lathe, particularly a slant type two-saddle lathe having a high and low front side slant bed having a tool rest before and after a spindle center line. The present invention relates to a water receiving device that collects chips and cutting fluid that fall from a lower turret or a lower end of a lower saddle exposed when the blade is opened to a chip receiving tray.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, a general cover device for a slant type two-saddle lathe passes a lower part of an opening / closing door 102 through a spindle axis in order to improve an approach of an operator to a spindle chuck 101. It is formed so as to be close to just below the Z axis to secure a foothold for an operator. Accordingly, the opening / closing door has a shape in which the front surface projects like a large drum to avoid the lower end of the lower tool rest 103 and the lower saddle 104. When the opening door 102 is opened to open the opening, the lower tool rest 103 and the lower saddle 104 are opened. The lower end of 104 is exposed on the floor.

[0003]

When the opening / closing door 102 is opened, the lower turret 103 or the cutting tool that falls from the lower saddle 104, which is exposed on the floor, like the entire cover of the slant type two-saddle lathe described in the prior art. There is a problem that the working environment is deteriorated, for example, the powder and the cutting fluid contaminate the floor surface, making it easy to slip and the operator to easily fall down.

[0004] The present invention has been made in view of such problems of the prior art, and the object of the present invention will be described in the above-mentioned claims. Normally, when the door is opened and the opening is opened, the water receiving cover connected to the opening and closing door is placed in the opening by interchanging, and chips and cutting fluid falling from the lower turret or lower saddle are cut off. It is collected in a powder tray so that the floor is not soiled, and when the door is opened for maintenance or setup change, the water receiver cover is disconnected so that it can be evacuated to a position that does not interfere with work. is there.

Further, according to the invention of claim 2, when the opening / closing door is opened and the opening is opened, the falling chips and cutting fluid are collected in the chip receiving tray by the water receiving cover fixed to the opening. When the door is opened for maintenance or changeover, the fixing of the water receiving cover is released so that the floor can be evacuated to a position where the work is not hindered.

[0006]

According to a first aspect of the present invention, there is provided a water receiving cover for a slant type two-saddle lathe, wherein the water receiving cover is provided in a direction of a main shaft axis direction adjacent to a front plate of a chip receiving tray of the whole cover device. When the opening / closing door movably provided along the guide and movable in the main shaft axis direction of the overall cover device is opened and the opening is opened, the lower turret or the lower saddle is located in front of the chip tray of the lower saddle. A water receiving cover having an inclined angle for collecting chips or cutting fluid falling from a part to be cut into the chip receiving tray, and moving the water receiving cover to the opening in a connected state when the opening / closing door is normally opened to change the setup and And a connecting member that can be disconnected from the opening and closing door so that it can be independently moved to a position that does not hinder the work during maintenance.

According to the water receiving cover according to the first aspect of the present invention, the water receiving cover is normally connected to the opening / closing door by a detachable connecting member, and the opening / closing door is opened to open the opening. When opened, the water receiving cover is positioned at the opening, the falling chips and cutting fluid are collected in the chip receiving tray, and when the opening / closing door is closed and the opening is closed, the water receiving cover separates from the opening. Since the evacuation is performed, the floor below the opening is not contaminated and the working environment is improved, and the water receiving cover does not hinder the worker's approach for monitoring the processing state. In addition, since the water receiving cover is retracted during setup change and maintenance, there is no hindrance to the work.

A water receiving cover according to a second aspect of the present invention is provided in the entire cover device of the slant type two-saddle lathe so as to be movable along a guide in a main axis direction adjacent to a front plate of a chip receiving tray of the whole cover device. When the opening / closing door movable in the main shaft axis direction of the overall cover device is opened and the opening is opened, chips or cuttings falling from a portion of the lower turret or the lower saddle that is located above the chip receiving tray above the chip receiving tray. A water receiving cover having an inclined angle for collecting liquid in the chip receiving tray,
A fixing member for fixing the water receiving cover to the fixing cover of the entire cover device so as to cover the lower part of the opening, and releasing the fixing so that the fixing can be moved to a position that does not hinder the work during setup or maintenance. It becomes.

According to the water receiving cover according to the second aspect of the present invention, the water receiving cover is normally fixed to the opening, and the fixing is released and retracted during maintenance or setup change. As in claim 1, the floor is not contaminated, and there is no trouble in work such as setup change and maintenance.
The opening and closing of the opening and closing door is easy and the operator is less tired.
Effective for manual opening and closing.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram of an entire cover device having a water receiving device of a slant type two-saddle lathe, where (a) is a top view and (b) is a cross-sectional view as viewed from the direction of the arrow AA in (a). 2 (a) to 2 (c) are explanatory views of the operation, and FIG. 2 (d) is an enlarged view of a virtual circle A portion of FIG.

The bed (not shown) of the slant type two-saddle lathe has two sets of upper and lower Z-axis guides which are inclined forward and downward, and along the Z-axis guides, an upper saddle 1A and a lower saddle 1B.
Are provided so as to be movable and positionable. A guide in the X-axis direction is provided on the upper saddle 1A, and the upper tool post 2A is mounted on the X-axis guide so as to be movable and positionable, and a guide in the X-axis direction is provided on the lower saddle 1B. The lower tool rest 2B is mounted on the X-axis guide so as to be movable and positionable.

An upper turret 3A and a lower turret 3B are provided on the upper turret 2A and the lower turret 2B, respectively, so as to be rotatable around a rotation center axis (not shown) in the Z-axis direction. , A plurality of cutting tools (not shown) are detachably mounted on the lower turret 3B.
Further, a headstock 4 is installed on the left side of a bed (not shown), and a spindle (not shown) is rotatably mounted on the headstock 4, and a spindle chuck 5 is concentrically fitted to a tip of the spindle.

Slant type 2 constructed as described above
The saddle lathe is almost entirely covered by a whole cover device 6, and a fixed cover 7 of the whole cover device 6 is
Is formed in an opening 7a that opens forward and upward. The opening 7a is opened and closed by an opening / closing door 8 movable in the Z-axis direction. The opening / closing door 8 has an opening position and an opening on the headstock 4 side indicated by a virtual line in FIG. It can be positioned at a closed position that closes 7a.

As shown in FIG. 1B, the front surface of the opening / closing door 8 is a lower end 1a of the lower saddle 1B and a lower end 2a of the tool rest 2B.
It is shaped like a drum so that it can move without interfering with it and is easy for workers to approach, and the lower end is designed so that chips and cutting fluid generated during cutting can be collected in the chip receiving tray 9. The tray 9 is located above the inside of the front plate 9a.

Accordingly, when the opening / closing door 8 is positioned at the open position and the opening 7a is opened, the operator can approach the spindle chuck 5, but the lower saddle 1B and the lower tool rest 2B are moved to the position where they come off from the opening 7a. Unless it is moved to the opposite side of the main axis in the Z-axis direction, the lower end portions 1a and 2a
Since it is located on the front upper side, chips and cutting fluid accumulated during the cutting work fall on the floor.

Therefore, a guide rail 11 in the Z-axis direction is provided substantially over the entire length of the lathe adjacent to the front plate 9a of the chip receiving tray 9, and a water receiving cover 12 is provided movably along the guide rail 11. The water receiving cover 12 is an opening / closing door 8
It has the same length in the Z-axis direction as that of FIG. 2 and has a downwardly inclined angle so that chips and cutting fluid can easily flow toward the chip receiving tray 9, as shown in FIG. The connecting member 13 is detachably connected to the opening / closing door 8 by a connecting pin 13 urged by a spring 15 of the connecting member 14.

The water receiving cover 12 is normally (during operation) connected to the opening and closing door 8 by a connecting member 14.
Is positioned in front of the fixed cover 7 when the opening 7a is closed [FIG. 2 (a)], and is positioned in the opening 7a when the opening / closing door 8 is opened and the opening 7a is opened [FIG. 2 (b)] Also, when it is necessary for the operator to enter or exit the machine from the opening 7a for setup change or maintenance after the processing is completed, the engagement of the connecting member 14 is released.
The water receiving cover 12 is allowed to move independently, and is retracted to a position in front of the headstock 4. (FIG. 2C) The water receiving cover 12 may be retracted before the fixed cover 7.

FIG. 3 is a diagram for explaining the operation of the water receiving cover 12 of an embodiment different from that described above. In the description of this embodiment, the same portions as those of the above-described embodiment are denoted by the same reference numerals, and the description thereof will be omitted. . As shown in FIGS. 3A and 3B, the water receiving cover 12 is normally (during operation) fixed to the fixing cover 7 by a fixing pin 16 of a fixing member 17 having substantially the same structure as the connecting member 14 so as to be detachable. I have.

In this state, the opening 7a is closed by the opening / closing door 8 to perform cutting (FIG. 3A), and the opening / closing door 8 is opened to open the opening 7a to mount / dismount the work [FIG.
(B)]. When the operator needs to enter or exit the machine through the opening 7a for setup change or maintenance after machining is completed, the fixing with the fixed cover 7 is released and the water receiving cover 12 can be moved in the Z axis. Then, the water receiving cover 12 is retracted in front of the fixed cover 7 as shown in FIG.
Incidentally, the water receiving cover 12 may be retracted in front of the headstock 4.

[0020]

Since the present invention is configured as described above, the following effects can be obtained. 2. The water receiving device according to claim 1, wherein when the opening and closing door is opened after one cutting operation is completed, the water receiving covers in the connected state are positioned in the opening so that they are interchanged, and chips accumulated on the lower turret and the lower saddle during cutting. And the cutting fluid is dropped and collected in the chip receiving tray, so that the floor surface at the feet does not become dirty and the working environment is not deteriorated. Also, when it is necessary to get in and out of the machine from the opening for maintenance and setup change, the connection with the opening / closing door is released and the water receiving cover is retracted to a position that does not interfere with the work,
It doesn't get in the way.

In the water receiving device according to the second aspect, the water receiving cover is fixed to the fixed cover during the cutting process including the attachment / detachment of the work and fixed to the opening, and when the opening / closing cover is opened for attachment / detachment of the work, Chips and cutting fluid accumulated during cutting that fall from the lower end of the lower turret or lower saddle are collected in a chip receiving tray, and after the machining is completed, enter and exit the machine through the opening for setup change and maintenance. When it is necessary to perform the operation, the fixing to the fixing cover is released and the water receiving cover is moved to a position where the operation is not hindered. It is easy to close and can reduce operator fatigue.

[Brief description of the drawings]

FIG. 1 is a view of an overall cover device having a water receiving device of the present invention of a slant type two-saddle lathe, wherein (a) is a top view,
(B) is a sectional view taken along the line AA of (a).

FIGS. 2A to 2C are explanatory views showing the position of a water receiving cover during each operation, and FIG. 2D is an enlarged view of a connecting member of a portion A surrounded by a virtual circle in FIG.

3A and 3B are explanatory views showing the position of a water receiving cover during each operation of different embodiments, wherein FIG. 3A shows the position of the water receiving cover during cutting, and FIG. (C) is a diagram showing the position of the water receiving cover during maintenance and setup.

4A and 4B are diagrams of the entire cover device of the related art, in which FIG. 4A is a top view, FIGS. 4B and 4C are cross-sectional views taken along line BB of FIG. 4A, and FIG. It is a figure which shows the time of a door closing, and (c) which shows the time of opening and closing a door.

[Explanation of symbols]

 Reference Signs List 1A Upper saddle 1B Lower saddle 2A Upper turret 2B Lower turret 3A Upper turret 3B Lower turret 4 Headstock 5 Spindle chuck 6 Overall cover 7 Fixed cover 7a Opening 8 Opening / closing door 9 Chip receiving tray 9a Front plate 11 Guide rail 12 Water Receiving cover 13 Connecting pin 14 Connecting member 15 Spring 16 Fixing pin 17 Fixing member

Claims (2)

[Claims] 1. An overall cover device for a slanted two-saddle lathe, wherein the overall cover device is provided so as to be movable along a guide in an axial direction adjacent to a front plate of a chip receiving tray of the overall cover device. When the opening / closing door that can move in the direction is opened and the opening is opened, chips and cutting fluid that fall from a portion of the lower turret and the lower saddle that is located above the chip tray above the chip tray are collected in the chip tray. A water receiving cover having an inclined angle, and the water receiving cover is normally moved to the opening in a connected state when the opening / closing door is opened, so that the water receiving cover can be independently moved to a position that does not hinder work during setup change or maintenance. A water receiving device comprising a connecting member capable of releasing connection with the opening / closing door. 2. The overall cover device of a slant type two-saddle lathe, wherein the main cover axis of the general cover device is provided movably along a guide in the main axis direction adjacent to a front plate of a chip receiving tray of the general cover device. When the opening / closing door that can move in the direction is opened and the opening is opened, chips and cutting fluid that fall from a portion of the lower turret and the lower saddle that is located above the chip tray above the chip tray are collected in the chip tray. A water receiving cover having an inclined angle to be fixed, and the water receiving cover is usually fixed to the fixed cover of the overall cover device so as to cover below the opening, and can be moved to a position that does not hinder work during setup change or maintenance. And a fixing member for releasing the fixing as described above.