JP5198904B2 - Machine Tools - Google Patents

Description

  The present invention relates to a chip processing apparatus and a machine tool including a machining area cover that shields a machining area of a workpiece.

Conventionally, what was indicated by patent documents 1 as a machine tool provided with a chip discharging device is proposed. In this machine tool, a column is erected on the upper surface of a bed, and a spindle head is mounted on the column so as to be reciprocally movable in the horizontal direction and the vertical direction. Moreover, the coolant tank arrangement | positioning space which accommodates the coolant tank of a chip discharge apparatus is provided in the lower part of the said bed. Then, the workpiece supported by the table is machined by the tool mounted on the spindle head, and the workpiece is supplied to the machining portion of the workpiece during machining, and the coolant containing chips is opened from the opening formed on the upper surface of the bed. It guide | induces to the upper surface opening part of the coolant tank of the said chip discharge | emission apparatus. Further, the chips separated from the coolant are discharged to the outside by a chip conveying conveyor provided in the chip discharging apparatus.
JP 2005-34922 A

  However, the machine tool disclosed in Patent Document 1 is provided with a machining area cover that shields the machining area of the workpiece from the upper surface of the bed, and the chip discharging device is independent of the machining area cover. Is disposed in the coolant tank arrangement space formed in the bed, there are the following problems. That is, the arrangement space for accommodating the chip discharging device with respect to the bed and the passage for guiding the chips and coolant to the coolant tank of the chip discharging device must be formed, so that the bed structure becomes complicated and the manufacture thereof However, there is a problem that the cost cannot be reduced.

  In addition, since the processing area cover is configured to be mounted on the upper surface of the bed regardless of the chip discharging device, during the installation work on the floor surface of the machine tool, the same as the mounting operation of the chip discharging device to the bed. It is necessary to perform the work of attaching the processing area cover to the bed separately, and there is also a problem that the installation work of the machine tool is troublesome.

  The main object of the present invention is to eliminate the above-mentioned problems in the prior art and eliminate the need for special processing on the bed and column, simplify the structure, reduce the number of parts, and facilitate manufacture. And providing a machine tool capable of reducing the cost.

  Another object of the present invention is to provide a machine tool that can easily perform the operation of mounting the chip disposal device and the machining area cover on the machine base frame in addition to the above object.

In order to solve the above problems, the invention according to claim 1 is provided with a machining unit equipped with a spindle device capable of attaching a table for supporting a workpiece to a machine frame and capable of attaching a tool for machining the workpiece. A chip processing device provided with a filtering mechanism for separating chips from the coolant, and a chip discharging mechanism for discharging the separated chips to the outside, inside a case body that collects chips generated during processing of the workpiece together with the coolant, A machining area cover attached to an upper end opening edge of the case body of the chip disposal apparatus, a fixing means for fixing the chip disposal apparatus to the machine frame or an installation surface together with the machining area cover, and the chip disposal apparatus coupled with, and a coolant tank for storing the filtered clean coolant by the filtration mechanism, the rear end opening edge of the working area cover, X that allows the movement of the lateral and vertical spindle device of engineering units respectively, and summarized in that Y cover is attached.

According to the second aspect of the present invention, a table for supporting a workpiece is mounted on a machine base frame, a machining unit having a spindle device capable of mounting a tool for machining the workpiece, and chips generated during machining of the workpiece. Inside the case body to be collected together with the coolant, a chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharge mechanism for discharging the separated chips to the outside, and the case body of the chip processing device A machining area cover attached to an upper end opening edge, a fixing means for fixing the chip disposal device to the machine base frame or the installation surface, together with the machining area cover, and the chip disposal apparatus, A coolant tank for storing the filtered clean coolant, and the legs of the machine frame are formed in a horizontal rectangular tube shape. Horizontal rectangular tubular support base of the tip constituting a control unit for controlling the operation of the machine and subject matter that is fitted removably.
The invention according to claim 3 is provided with a processing unit mounted with a spindle device capable of mounting a table for supporting a workpiece on a machine frame and a tool for processing the workpiece, and chips generated during machining of the workpiece. Inside the case body to be collected together with the coolant, a chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharge mechanism for discharging the separated chips to the outside, and the case body of the chip processing device A machining area cover attached to an upper end opening edge, a fixing means for fixing the chip disposal device to the machine base frame or the installation surface, together with the machining area cover, and the chip disposal apparatus, A coolant tank for storing the filtered clean coolant, and the chip treatment device and the processing area cover include a chip treatment cover unit in advance. The support unit is supported on the left and right front surfaces of the machine unit frame of the processing unit so that the support arms are directed forward, and the table unit is detachably mounted on the upper surface of both support arms. The left and right side surfaces of the processing area cover of the cover unit are formed with openings for allowing the table unit to enter the processing area cover when the processing area cover is attached to the machine frame. The gist of the present invention is that the unit is provided with an auxiliary cover for shielding the openings .

According to a fourth aspect of the present invention, in the third aspect, the coolant tank is formed using an internal space of a leg portion of a horizontal rectangular tube formed at a lower end portion of a machine frame constituting the processing unit. the gist that you are.

According to a fifth aspect of the present invention, in the fourth aspect , the leg portion of the machine base frame is formed in a horizontal square tube shape, and a coolant tank formed in a horizontal square tube shape is penetrated and supported by the leg portion. the gist that you are.

According to the sixth aspect of the present invention, a table for supporting a workpiece is mounted on a machine base frame, a machining unit having a spindle device capable of mounting a tool for machining the workpiece, and chips generated during machining of the workpiece. Inside the case body to be collected together with the coolant, a chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharge mechanism for discharging the separated chips to the outside, and the case body of the chip processing device A machining area cover attached to an upper end opening edge, a fixing means for fixing the chip disposal device to the machine base frame or the installation surface, together with the machining area cover, and the chip disposal apparatus, A coolant tank for storing the filtered clean coolant, and the chip treatment device and the processing area cover include a chip treatment cover unit in advance. Integrated Te, the tool magazine in the upper portion of the machine frame of the machining unit is mounted, the upper end portion of the working area cover of the chip control cover unit, the magazine cover for shielding said tool magazine mounted It is a summary.

According to the first and second aspects of the present invention, the machining area cover is attached to the upper end opening edge of the case body of the chip treatment apparatus, and the chip treatment apparatus and the machining area cover are attached to the machine base frame. There is no need to perform special processing on the frame, and the structure of the machine base frame can be simplified, making it easy to manufacture and reducing the cost.

In the inventions of claims 1 and 2 , since the machining area cover is attached to the case body of the chip treatment apparatus, the structure is compared with a structure in which the chip treatment apparatus and the machining area cover are separately attached to the machine frame. Thus, the number of parts required for mounting can be reduced, manufacturing can be facilitated, and cost can be reduced.

According to the third and sixth aspects of the present invention, since the chip disposal device and the machining area cover are integrated as a chip disposal cover unit in advance, the chip disposal apparatus and the machining area cover can be easily attached to the machine frame. Can do.

Hereinafter, an embodiment of a machine tool embodying the present invention will be described with reference to the drawings.
As shown in FIG. 1, this machine tool includes a processing unit 11 for processing a workpiece, and after collecting chips and coolant generated during processing of the workpiece, the coolant and the chips are separated, A chip processing cover unit 12 is provided for preventing the coolant and chips from being scattered during the processing of the workpiece. The machine tool also includes a coolant circulation unit 13 that circulates and supplies coolant to a workpiece processing portion, and a control unit 14 that controls the operation of the machine tool. Each of these units will be sequentially described below.

  As shown in FIG. 1, a machine frame 21 constituting the processing unit 11 includes a bed 22 and a pair of left and right legs that form a horizontal square cylinder fixed to the upper surfaces of both left and right sides so as to be directed in the front-rear direction. 23 and 24, and a pair of left and right columns 25 and 26 having a rectangular tube shape integrally provided upright on the upper surfaces of both leg portions 23 and 24. Further, the machine frame 21 includes an upper connecting frame 27 and a lower connecting frame 28 that are horizontally connected integrally between the upper ends of the columns 25 and 26 and between the intermediate portions, and the column. A pair of left and right support arms 29 that are integrally connected to the front surfaces of 25 and 26 so as to be directed forward are provided.

  As shown in FIG. 1, a turntable unit 34 is mounted on the upper surfaces of the support arms 29. A pair of bearings 30 attached to the support arm 29 are supported so that the rotation shaft 31 faces the pair. A turning table 32 is mounted on the rotary shafts 31 so as to be turnable around a horizontal axis. A motor 33 is mounted on one (right side) bearing 30 of the both bearings 30 so as to turn the turning table 32. The turning table unit 34 is configured by the bearing 30, the rotating shaft 31, the turning table 32, the motor 33, and the like. The table unit 34 is attached to the support arm 29 by attaching a mounting base 30 a formed on the bearing 30 to the upper surface of the support arm 29 with a bolt 35. Auxiliary covers 36 and 37 for shielding openings 89b and 89c of a cover main body 89, which will be described later, are attached to the both bearings 30.

  As shown in FIG. 4, two X-axis guide rails 38 are laid in the X-axis (left and right) direction on the lower surface of the connection frame 27 and the upper surface of the connection frame 28, respectively. An X-axis saddle 39 having a vertically long rectangular frame shape (see FIG. 1) as viewed from the front is mounted so as to be reciprocally movable in the X-axis direction by an X-axis moving mechanism such as a ball screw feed mechanism (not shown). Two Y-axis guide rails 41 are laid in parallel to each other in the Y-axis (vertical) direction on the opposing inner side surfaces of the left and right side plates of the X-axis saddle 39, and each Y-axis guide rail 41 has a Y-axis saddle. 42 is mounted so as to be reciprocally movable in the Y-axis direction by a Y-axis moving mechanism such as a ball screw feed mechanism (not shown). Two Z-axis guide rails 43 are laid in the Z-axis (front-rear) direction on the bottom plate of the Y-axis saddle 42, and a spindle device 44 is not shown on each Z-axis guide rail 43. It is mounted so as to be able to reciprocate in the Z-axis direction by an axis moving mechanism. A spindle 45 that is rotated by a built-in motor (not shown) is attached to the spindle device 44, and a tool T is attached to the spindle 45 via a tool holder 46.

  As shown in FIG. 4, a motor 47 is fixed to the upper surface of the upper connecting frame 27 constituting the machine base frame 21, and a tool magazine 49 is connected to a rotating shaft 48 of the motor 47. The tool holder 46 is held by a plurality of holding portions 49 a provided on the outer peripheral edge of the tool magazine 49. The tool magazine 49 is turned around the rotation shaft 48 by the operation of the motor 47 so that the tool holder 46 held by the holding portion 49 a is moved to the tool change position inside the machining area cover 52. A shielding cover 50 for shielding the rear side of the X-axis saddle 39 and the Y-axis saddle 42 is detachably mounted on the rear surface of the machine base frame 21.

Next, the chip disposal cover unit 12 will be described.
As shown in FIG. 1, the chip processing cover unit 12 is attached to a chip processing device 51 fixed to a predetermined position on the upper surface of the bed 22 and an upper portion of the chip processing device 51, as shown in FIG. The turning table 32 includes a machining area cover 52 for shielding the machining area of the workpiece, and a magazine cover 53 attached to the upper part of the machining area cover 52 and for shielding the tool magazine 49. ing.

Then, the said chip disposal apparatus 51 is demonstrated based on FIG.5 and FIG.6.
As shown in FIG. 5, the case body 54 constituting the chip disposal device 51 is formed in a bottomed square box shape, and the inside of the case body 54 includes a coolant containing chips that are dropped when a workpiece is processed. A separation chamber 54a for separating and filtering chips is formed. The case body 54 is provided with a chip discharge mechanism 55 for discharging chips from the separation chamber 54a to the outside. A pair of left and right driven sprockets 56 (only the left side is shown) are mounted in the case body 54 so as to be rotatable about a horizontal axis. Both the driven sprockets 56 are connected via a plurality of connecting plates 57 so as to be able to rotate synchronously.

  As shown in FIG. 6, a discharge rod 61 having a chip discharge port 61a is fixed to the front end portion of the case body 54. As shown in FIG. 62 is mounted, and the rotary shaft 63 is supported through the both bearings 62. As shown in FIG. 6, a driving sprocket 64 is fitted and fixed to the rotating shaft 63 in correspondence with the driven sprocket 56. A pair of left and right chains 65 spanned between the driven sprocket 56 and the drive sprocket 64 are bridged with a scraper 66 for moving the chips constituting the chip discharging mechanism 55 at a plurality of locations.

  As shown in FIG. 5, a motor 68 is attached to one bearing 62 of the both bearings 62 via a speed reduction mechanism 67, and the rotation shaft 63 is rotated by the output shaft of the speed reduction mechanism 67. .

  As shown in FIG. 6, a chip guide plate 69 is disposed below the case body 54 in the vicinity of the moving path of the scraper 66. When the drive sprocket 64 is rotated by the motor 68, the chain 65 is rotated in the clockwise direction in FIG. 6, and chips accumulated on the upper surface of the guide plate 69 are discharged by the scrapers 66. It moves toward the discharge port 61a and is discharged from the discharge port 61a to the outside.

  As shown in FIG. 6, a filtration mechanism 71 is provided in the separation chamber 54a of the case body 54 to separate chips from the coolant stored in the separation chamber 54a and to clean the coolant. Yes. A horizontal cylindrical drum filter 72 is mounted between the driven sprockets 56 so as to be able to rotate synchronously with the driven sprockets 56. As shown in FIG. 6, the coolant containing chips stored in the separation chamber 54 a outside the drum filter 72 is filtered while passing through the drum filter 72 from the outside to the inside, and enters the internal space 73 of the drum filter 72. It has come to be. The clean coolant in the internal space 73 is led out through a lead-out port 54c provided in the left side plate 54b of the case body 54.

  As shown in FIG. 3, a guide rod 84 for guiding clean coolant led out from the lead-out port 54c to the coolant tank 85 of the coolant circulation unit 13 described below is attached to the left side surface of the case body 54. Yes.

  As shown in FIG. 3, a horizontally long square sealed tubular coolant tank 85 that constitutes the coolant circulation unit 13 is penetrated and fixed to the leg portion 23 of the machine base frame 21. The guide rod 84 is connected to the opening 85a formed on the upper surface near the tip of the coolant tank 85 in a state where the coolant tank 85 is fixed to the leg portion 23 at a predetermined position. The coolant tank 85 is provided with a pump 86 and a motor 87 for driving the pump 86. The coolant in the coolant tank 85 is pumped up by the pump 86, and the spindle 45 and the tool of the spindle device 44 are connected to the coolant tank via a coolant supply pipe (not shown). Through the coolant passage formed in the holder 46 and the tool T, the coolant can be supplied to the workpiece being processed. An intermediate pressure coolant device 88 is mounted on the upper surface of the rear end portion of the coolant tank 85, and the coolant is supplied from a coolant supply pipe and a coolant supply nozzle (not shown) to a workpiece processing portion by the intermediate pressure coolant device 88. ing.

  Next, the processing area cover 52 will be described. As shown in FIG. 1, the processing area cover 52 includes a cover main body 89 attached to the upper end opening edge of the case body 54, and the front and upper surfaces of the cover main body 89. The door 90 is mounted so as to be openable and closable with respect to the window 89 a formed at the center of the cover, and a shielding cover 91 that shields a rear end opening edge of the cover main body 89. As shown in FIG. 7, the turning table unit 34 is attached to the support arm 29 on both the left and right sides of the cover body 89 with the machining area cover 52 attached to the machine frame 21 side. The left bearing 30 of the both bearings 30 is passed through, and openings 89b and 89c for allowing the turning table 32 to enter the cover body 89 are formed. The auxiliary covers 36 and 37 for shielding the two openings 89 b and 89 c of the cover main body 89 are attached to the bearing 30 in a state in which the turning table unit 34 is mounted on the both support arms 29. As shown in FIG. 7, the right side opening 89c needs to pass through the left side auxiliary cover 36, and thus is formed larger than the left side opening 89b, and the right side auxiliary cover 37 is accordingly formed on the left side auxiliary cover 36. It is formed larger than. The cover main body 89 is formed with a confirmation window 89d.

  The shielding cover 91 shown in FIG. 4 is an X, Y shielding cover such as a roll cover or a telescopic cover that allows the spindle device 44 of the machining unit 11 to move in the horizontal and vertical directions. It is also allowed to move back and forth. Between the upper end edge of the shielding cover 91 and the lower end edge of the magazine cover 53, the tool holder 46 held by the tool magazine 49 enters the machining area cover 52 during the tool changing operation. A passage 92 is formed for this purpose. The passage 92 is provided with an opening / closing cover 93 for opening the passage 92 when the tool holder 46 is exchanged and closing the passage 92 otherwise.

  The chip treatment cover unit 12 is integrally configured as shown in FIG. 1 and assembled to a predetermined position of the processing unit 11 as shown in FIG. 4, and a connecting base 94 provided on the case body 54 is provided. The mounting state of the chip disposal device 51 is held by being fastened and fixed to the upper surface of the bed 22 by a bolt 95.

  Next, the control unit 14 will be described. As shown in FIGS. 1 and 2, the control unit 14 includes a cart 97 having a horizontal square cylindrical caster 96, and a control box 98 mounted on the upper surface of the cart 97. And is composed of. A connecting tube portion 99 having a horizontal square tube shape smaller in diameter than the outer diameter of the bogie 97 is integrally connected to the distal end portion of the bogie 97, and the connecting tube portion 99 is fitted to the rear end portion of the leg portion 24. And are connected by a bolt (not shown).

Next, the operation of the machine tool configured as described above will be described.
The door 90 of the machining area cover 52 of the machine tool shown in FIG. 4 is opened, the work is carried into the turning table 32 from the window 89a of the cover main body 89, and the work is mounted on the turning table 32 by a clamp mechanism (not shown). When a start switch provided in the control box 98 of the control unit 14 of the machine tool is operated in this state, the motor 68 of the chip disposal device 51 is started and the pump 86 is started by the motor 87 of the coolant circulation unit 13. The X, Y, and Z axis moving mechanisms (not shown) are actuated to move the spindle device 44 in the three axis directions, the spindle 45 is rotated, and the workpiece is machined by the tool T. During machining of the workpiece, the coolant in the coolant tank 85 is pumped up by the pump 86 of the coolant circulation unit 13 and supplied from the tool T to the workpiece machining section through a coolant supply pipe and a coolant supply passage (not shown). The workpiece is cooled and the machined part is lubricated. Chips generated during the machining of the workpiece are stored in the separation chamber 54a of the case body 54 of the chip processing device 51 together with the coolant. The chips contained in the coolant do not pass through the drum filter 72 but are accumulated on the upper surface of the guide plate 69 shown in FIG. 6 by its own weight, and the chips are guided to the guide plate 69 by the revolving motion of the chain 65 and the scraper 66. While being discharged from the discharge port 61a of the discharge rod 61.

  On the other hand, the coolant stored in the separation chamber 54a of the case body 54 is filtered by the drum filter 72, flows into the internal space 73 of the drum filter 72, and flows into the guide rod 84 from the outlet 54c shown in FIG. 4 is stored in the coolant tank 85 shown in FIG. The stored clean coolant is pumped up by the pump 86 and supplied to the workpiece processing portion through the coolant supply pipe and the coolant supply passage (not shown) as described above. In addition, after a predetermined machining operation is performed on the workpiece, the motor 33 is started and the turning table 32 is turned, and a machining surface having a different workpiece is machined by the tool T.

According to the machine tool of the said embodiment, the following effects can be acquired.
(1) In the said embodiment, as shown in FIG. 1, the processing area cover 52 was attached to the upper-end opening edge of the case body 54 of the chip processing apparatus 51, and the chip processing cover unit 12 was comprised. Therefore, the chip processing cover unit 12 can be easily attached to the processing unit 11, and the machine frame is compared with a machine tool having a structure in which the chip processing device 51 and the processing area cover 52 are separated. The dedicated attachment parts for attaching the processing area cover 52 to the work piece 21 can be omitted, the number of parts can be reduced, the manufacturing and assembling work can be easily performed, and the cost can be reduced.

  (2) In the above embodiment, as shown in FIG. 4, the coolant tank 85 is penetrated and supported in the leg portion 23, and the coolant storage chamber is formed using the space of the leg portion 23. Compared with a structure in which a storage tank for storing the coolant is provided, the installation space for the coolant tank 85 can be reduced, and the machine tool can be downsized.

  (3) In the above embodiment, the turntable unit 34 is detachably attached to the support arm 29, and the openings 89 b for entering the bearing 30 and the turntable 32 into the cover main body 89 with respect to the cover main body 89. 89c was formed. Therefore, the turntable unit 34 can be easily attached to and detached from the support arm 29 while the processing area cover 52 is attached to the machine base frame 21.

  (4) In the above embodiment, since the auxiliary covers 36 and 37 are attached to the bearing 30, the openings 89b and 89c of the cover main body 89 can be easily closed by the covers 36 and 37.

  (5) In the above embodiment, since the shielding cover 91 is attached to the opening edge of the rear end of the cover main body 89, the work processing area can be properly shielded and the shielding cover 91 is attached to the machine base frame 21. Work can be done easily.

  (6) In the above embodiment, as shown in FIG. 2, the connecting tube portion 99 formed at the distal end portion of the carriage 97 having the caster 96 of the control unit 14 is fitted to the leg portion 24. The control unit 14 can be easily connected to the portion 24.

In addition, you may change the said embodiment as follows.
The lower end opening edge of the cover main body 89 of the processing area cover 52 may be detachably attached to the upper end opening edge of the case body 54 of the chip disposal device 51 by a connecting means such as a bolt. In this embodiment, after the chip processing device 51 is mounted on the upper surface of the bed 22 of the machine frame 21, the processing area cover 52 is mounted on the upper end opening edge of the case body 54 of the chip processing device 51.

  The leg portion 23 may be formed to extend in the front-rear direction, a coolant storage chamber may be formed inside the leg portion 23 itself, and the leg portion 23 itself may be used as a coolant tank. In this case, the structure can be simplified and the number of parts can be further reduced.

A leg portion corresponding to the carriage 97 may be formed integrally with the leg portion 24.
In place of the turning table unit 34, a fixed table or an index table may be used.

  After fixing the machine base frame 21 of the processing unit 11 to the installation surface, the case body 54 of the chip processing device 51 of the chip processing cover unit 12 is arranged at the installation position, and the case body 54 is fixed to the floor surface. It may be.

The sprockets 56 and 64 may be changed to pulleys, and the chain 65 may be changed to a belt.
The chain 65 of the chip disposal device 51 is omitted, the scraper 66 is bridged with a pair of left and right rotating disks instead of the driven sprocket 56, and the rotating disk is rotated together with the drum filter 72 by a rotating mechanism. The chips may be guided to the discharge basket 61, and the chips may be discharged to the outside from the discharge port 61a.

A machine tool in which the tool magazine 49 of the processing unit 11 and the magazine cover 53 of the bed 22 are omitted may be embodied.
-You may embody in the machine tool which abbreviate | omitted the said shielding cover 91. FIG.

The separation perspective view of each unit which shows one embodiment which materialized the machine tool of this invention. The perspective view seen from the right side which combined each unit of the machine tool. The perspective view which looked at the machine tool from the left side. The center part longitudinal cross-sectional view of a machine tool. The perspective view of a chip disposal apparatus. The longitudinal cross-sectional view of a chip disposal apparatus. Sectional drawing explaining mounting | wearing operation | movement of a turning table unit.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Processing unit, 12 ... Chip processing cover unit, 14 ... Control unit, 21 ... Machine stand frame, 29 ... Support arm, 34 ... Table unit, 36, 37 ... Auxiliary cover, 44 ... Main shaft device, 51 ... Chip processing device 52 ... Processing area cover, 53 ... Magazine cover, 54 ... Case body, 55 ... Chip discharge mechanism, 71 ... Filtration mechanism, 73 ... Internal space, 85 ... Coolant tank.

Claims (6)

A machining unit equipped with a spindle device capable of mounting a table for supporting a workpiece on the machine base frame and a tool for machining the workpiece;
A chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharging mechanism for discharging the separated chips to the outside, inside a case body that collects chips generated during processing of the workpiece together with the coolant,
A processing area cover attached to an upper end opening edge of the case body of the chip disposal device;
Along with the processing area cover, fixing means for fixing the chip disposal device to the machine base frame or the installation surface,
A coolant tank that is connected to the chip disposal device and stores clean coolant filtered by the filtration mechanism ;
A machine tool characterized in that an X and Y cover is attached to a rear end opening edge of the machining area cover to allow movement of a spindle device of the machining unit in the left and right and up and down directions, respectively . A machining unit equipped with a spindle device capable of mounting a table for supporting a workpiece on the machine base frame and a tool for machining the workpiece;
A chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharging mechanism for discharging the separated chips to the outside, inside a case body that collects chips generated during processing of the workpiece together with the coolant,
A processing area cover attached to an upper end opening edge of the case body of the chip disposal device;
Along with the processing area cover, fixing means for fixing the chip disposal device to the machine base frame or the installation surface,
A coolant tank that is connected to the chip disposal device and stores clean coolant filtered by the filtration mechanism;
The leg of the machine base frame is formed in a horizontal square tube shape, and the tip of the horizontal square cylindrical support base constituting the control unit for controlling the operation of the machine tool is detachably fitted to the leg portion. Machine tool characterized by being. A machining unit equipped with a spindle device capable of mounting a table for supporting a workpiece on the machine base frame and a tool for machining the workpiece;
A chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharging mechanism for discharging the separated chips to the outside, inside a case body that collects chips generated during processing of the workpiece together with the coolant,
A processing area cover attached to an upper end opening edge of the case body of the chip disposal device;
Along with the processing area cover, fixing means for fixing the chip disposal device to the machine base frame or the installation surface,
A coolant tank that is connected to the chip disposal device and stores clean coolant filtered by the filtration mechanism;
The chip treatment device and the processing area cover are integrated in advance as a chip treatment cover unit,
Supporting arms are supported on the left and right front surfaces of the machine unit frame of the processing unit so as to be directed forward, and a table unit is detachably mounted on the upper surface of both support arms. The left and right sides of the cover are formed with openings for allowing the table unit to enter the machining area cover in a state where the machining area cover is attached to the machine frame. An auxiliary cover for shielding each of the openings is attached. 4. The machine tool according to claim 3, wherein the coolant tank is formed by utilizing an internal space of a leg portion in the shape of a horizontal square tube formed at a lower end portion of a machine base frame constituting the processing unit. 5. The machine tool according to claim 4, wherein a leg portion of the machine base frame is formed in a horizontal square tube shape, and a coolant tank formed in a horizontal square tube shape is penetrated and supported by the leg portion. A machining unit equipped with a spindle device capable of mounting a table for supporting a workpiece on the machine base frame and a tool for machining the workpiece;
A chip processing device provided with a filtration mechanism for separating chips from the coolant, and a chip discharging mechanism for discharging the separated chips to the outside, inside a case body that collects chips generated during processing of the workpiece together with the coolant,
A processing area cover attached to an upper end opening edge of the case body of the chip disposal device;
Along with the processing area cover, fixing means for fixing the chip disposal device to the machine base frame or the installation surface,
A coolant tank that is connected to the chip disposal device and stores clean coolant filtered by the filtration mechanism;
The chip treatment device and the processing area cover are integrated in advance as a chip treatment cover unit,
A tool magazine is mounted on the upper end of the machine base frame of the processing unit, and a magazine cover for shielding the tool magazine is mounted on the upper end of the processing area cover of the chip disposal cover unit. A featured machine tool .

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