JP2963319B2 - Interlocking mechanism in machine tools with slide covers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machine tool, such as a machining center, which is disposed between a work table and a work part provided with a spindle at a tip thereof. The present invention relates to an interlocking mechanism in a machine tool provided with a slide cover for preventing scattered adherence.

[0002]

2. Description of the Related Art Conventionally, a processing unit such as a machine tool for cutting a work is provided with a work part provided with a spindle at a tip thereof with respect to a work table so as to be able to advance and retreat. Chips, coolant, etc. have the disadvantage that the working environment deteriorates because they scatter around the entire surface, and some of the scattered chips adhere to the machined part, which has the disadvantage of causing breakdowns. I was

[0003] Therefore, a partition wall provided with a retractable hole for a work part which can move forward and backward is arranged between the work table and the work part.
By using a slide cover formed of a plurality of slide boards that can move the partition vertically and horizontally, it is configured to prevent scattering adhesion to the machine tool main body. The slide cover is moved by moving and pressing the processing unit, and the synchronous cover is provided with a synchronous movement mechanism for the processing unit and the slide cover in addition to the fitting portion. Did not.

[0004] As a result, if the spindle of the processing unit is pulled out of the slide hole of the slide cover when the tool is changed, the spindle must be manually fitted into the slide hole of the tool during the next processing. Has the disadvantage of requiring time and effort to change the setup of the slide, and because the driving force of the slide cover to follow the movement of the spindle is the pressing action of the spindle, an excessive load is applied to the spindle, the spindle head, and the processing unit. Had the disadvantage of adversely affecting the processing accuracy of the steel.

[0005]

SUMMARY OF THE INVENTION According to the present invention, when a processing unit and a slide cover are connected, the connection and detachment and return of a spindle and a tool retracting hole can be freely performed, and the spindle can be moved without moving the slide cover by moving the spindle. It is an object of the present invention to provide an interlocking mechanism in a machine tool provided with a slide cover capable of maintaining processing accuracy by eliminating a load on the machine tool.

[0006]

According to the present invention, the slide cover movement is directly linked with the spindle of the processing unit based on the above-mentioned prior art, so that the linking is eliminated for tool exchange and the like, and the setup change requires time and effort. In view of the problem and the problem of deterioration of processing accuracy due to the load on the spindle, the processing unit is disposed between a jig base that supports the work and a processing unit that can move in three axial directions, that is, front, rear, left, right, up, and down. It is movably inserted to the spindle head in the longitudinal direction
A horizontal slide cover and a vertical slide that have a tool retracting hole that slides in the left and right and up and down directions in accordance with the movement of the processing unit in the left and right and up and down directions to prevent coolant, chips and the like from scattering to the processing unit side. In a machine tool having a cover, the spindle head
The horizontal slide cover is slid in conjunction with the left and right movement of the left and right moving body on the processing unit side regardless of the state of protruding and retracting with respect to the tool retracting hole , and the vertical slide cover is moved up and down on the vertical moving body on the processing unit side. By providing an interlocking mechanism that slides in conjunction with the movement, the interlocking mechanism between the spindle head and the slide cover does not use the spindle and the tool retracting hole, but forms a separate interlocking mechanism (left-right interlocking means and up-down interlocking means). The spindle can be freely inserted and removed from the tool hole,
In addition, the above-mentioned problem has been solved by preventing a load other than the processing purpose from being applied to the spindle. And before
The interlocking means is provided between the spindle head and the tool.
Regardless of the state of the hole, the horizontal slide cover and
Move the vertical slide cover left, right, up and down on the processing unit side
By linking with the movement of the body, the tool
With the spindle head pulled out,
Even if it moves, the relative position of the spindle head and the tool
The position is not changed. And the interlocking means
Is an engagement state between the spindle head and the tool retracting hole.
Regardless of the state, attach the horizontal slide cover to the processing unit.
Slide in conjunction with the left-right movement of the left-right moving body
Right and left direction interlocking means, the spindle head and the tool
Irrespective of the engagement state of the hole,
Is linked with the vertical movement of the vertical moving body on the machining unit side.
Slide consisting of vertical interlocking means for sliding
Some interlocking mechanisms are available for machine tools with covers.
You. Then, the machine tool from a slide table provided to be horizontally movable on a bed, a column which is movable back and forth on the slide table, a spindle head provided vertically movably on the column comprising comprising a processing unit, said processing unit, between the jig base for supporting the workpiece, the left-right direction according to the movement of the horizontal and vertical directions of the spindle head inserted to be movable in the longitudinal direction said spindle head and There is a machine tool provided with a horizontal slide cover and a vertical slide cover for preventing a coolant, chips and the like from being slid up and down and scattered to the processing unit side. The right and left direction interlocking means and vertically interlocking means, said the center slide board lateral sliding cover connecting the slide table, the vertical guide shaft is connected to the center slide board of the slide cover, the guide shaft of said spindle head There is a slide bearing that is inserted into the slide bearing attached to the front and rear so as to be able to move forward and backward. In the embodiment, the left and right slide table, as well as connecting the link bars and the main slide board, for the second slide block moving along the link bar, the connecting forward and backward corresponding freely pilot bar of the processing unit side , and an arm which is fixed to the second slide block configured in the manner to engage the central slide board. In addition, the processing unit
Right and left of the processing unit
Moves in conjunction with the
Link bar and the link bar
Only slidably guided and connected to the vertical slide cover
The first slide block and the first slide
Pilot bar connected to the block and extending in the front-back direction
Connected to the vertical moving body of the processing unit,
Moves in conjunction with the vertical movement of the unit
The pilot bar is slidable only in the front-rear direction.
And a second slide block to be held.
Further, the processing unit and a moveable support columns provided on the left and right directions between the jig base, the longitudinal slide cover slidably guided in the vertical direction on the support pillars, the right and left both sides of the support column A horizontal slide cover that is slidable in the direction is connected, and left and right interlocking means for sliding the support column in conjunction with the left and right movement of the left and right moving body on the processing unit side is provided, and the vertical slide cover is connected to the processing unit side. There is provided a vertical interlocking means for sliding in conjunction with the vertical movement of the vertical moving body. In an embodiment, the support posts as a pair are provided on the main slide board to the left and right sliding, the support pillars between the vertical slide cover configured to support at, also the right and left moving body and the vertical mover slide table, column And a processing unit including a spindle head.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a bed on which a slide cover device for a machine tool according to the present invention is installed. A processing unit 3 that supports a jig base 2 having a work table 2a to support the work W, and is movable up, down, left, and right on a bed 1 in front of the jig base 2.
Are installed facing each other.

Reference numeral 4 denotes a slide cover installed between the jig base 2 and the processing unit 3. The frame 5 of the slide cover 4 is formed in a gate shape, and a pair of vertical frames 5a, 5b is provided on both sides. And a horizontal frame between the upper ends of the vertical frames 5a and 5b.
5c, the supporting leg frames 5d, 5e are horizontally protruded inward from the lower ends of the vertical frames 5a, 5b, and the gate frame 5f is straddled between the inner ends of the supporting leg frames 5d, 5e. doing.

Reference numeral 6 denotes an elongated rectangular frame, and the frame 6 is an L-shaped receiving plate 7, 7a fixed to the upper part of the front of the vertical frames 5a, 5b.
It is detachably mounted between them.

Numeral 8 denotes an upper rail which is disposed horizontally in the upper portion of the frame 5 and which is a flat plate having the same length and height as the horizontal frame 5c. Are fixed at predetermined intervals on the upper surfaces of the rails 9, 9a and L-shaped plate-shaped fixed bodies 10, 10a..., And the rising portions 11, 11a of the fixed bodies 10, 10a. Are applied to the rear surface of the horizontal frame 5c, and the upper rail 8 is fixed to the horizontal frame 5c by bolts or the like.

Reference numeral 12 denotes a horizontally long and bent plate-shaped chip guide plate, and the chip guide plate 12 is provided with a fixing member 13 to the front surface of the gate frame 5f,
The fixing member 13 includes an inclined member 14 extending upward and rearward from an upper edge of the fixing member 13, and a vertical member 15 rising upward from the upper edge of the inclined member 14. It is almost the same size as 5c.

Reference numeral 16 denotes a lower rail which is horizontally arranged at a lower portion in the frame 5, and the lower rail 16 is a rail 9, 9a of the upper rail 8.
Are arranged in parallel with each other, and fixed members 18, 18a are provided at predetermined intervals on the lower surface of the rails 17, 17a, and the fixed members 18, 18a are plate-shaped. Opposing member
19, 19a and a fixing member 20 connecting the opposing members 19, 19a.
Fixing members 18 and 18a are fixed to the lower surfaces of the rails 17 and 17a so that the members 17 and 17a and the opposing members 19 and 19a are orthogonal to each other, and the fixing member 20 is fixed to the front surface of the vertical member 15 of the chip guide plate 12. Then, the lower rail 16 is fixed to the chip guide plate 12, and the inclined member 14 of the chip guide plate 12 is disposed immediately below the lower rail 16.

Reference numeral 21 denotes a main slide board disposed so as to be slidable left and right with respect to the upper rail 8 and the lower rail 16.
The main slide board 21 has a plurality of horizontal slide covers 4a.
Of the large board member 22 and the small board member 23
Are integrally connected by fixing portions 24 and 24a.

The large board member 22, which is a main component of the main slide board 21, will be described. The center 25 is located at the center of the main slide board 21 near one side of the large board member 22 (small board member 23 side). The opening 25 is formed in a vertically rectangular shape at the center of the housing 26 which is depressed and formed in a vertically rectangular shape.

Numerals 27 and 27a denote elongated rod-shaped stoppers related to vertical sliding. The stoppers 27 and 27a are horizontally disposed near the upper and lower portions of the opening 25 on the front surface of the housing portion 26.

Reference numeral 28 denotes a small board member 23 of the large board member 22.
The receiving plate portion 28 serves as a connecting surface with the receiving plate portion 28, and the receiving plate portion 28 bends and extends one side edge of the large board member 22 forward,
The tip portion is formed by further bending and extending to the small board member 23 side.

Reference numeral 29 denotes an abutting projection projecting forward from the other edge of the large board member 22. The upper end of the abutting projection 29 is below the upper rail 9 and the lower end is below the rail 9. Each is set above the rail 17.

Reference numeral 30 denotes a latch plate fixed to the outer surface of the contact protrusion 29. The latch plate 30 has a front end edge that matches that of the contact projection 29 and a large rear end edge. The board member 22 protrudes rearward from the rear surface to form an intrusion prevention portion 31 for chips or the like. A cushioning material 32 made of a synthetic resin is provided on the other end surface of the main slide board 21 near the front of the outer surface of the latch plate 30. Is fixed.

Reference numerals 33, 33a denote rail clamping plates fixed near the upper and lower two corners on the other side of the rear surface of the large board member 22, and the rail clamping plates 33, 33a are steps having a step at a substantially central portion. The upper rail sandwiching plate 33 has an upper end corresponding to the upper edge of the large board member 22, and the lower rail sandwiching plate 33a has a lower end corresponding to the lower edge of the large board member 22, respectively. At the same time, an upper opening rail groove portion 34 is formed between the upper rail holding plate 33 and the large board member 22, and a lower opening rail groove portion 34a is formed between the lower rail holding plate 33a and the large board member 22, respectively. The rail grooves 34 and 34a are fitted into the rail 9 of the upper rail 8 and the rail 17 of the lower rail 16, respectively.

Reference numerals 35 and 35a denote rail sandwiching plates disposed at the upper and lower portions of the accommodation portion 26 near two upper and lower corners on one side of the rear surface of the large board member 22, and the rail sandwiching plates 35 and 35a are substantially at the center. It is formed in the shape of a stepped flat plate having a stepped portion, and the stepped portion is fixed so as to be in contact with the corner of the accommodating portion 26, and the upper end of the rail clamping plate 35 has a large board member 22. At the upper edge of the lower rail holding plate 35a, the lower end is made to correspond to the lower edge of the large board member 22, respectively, and the upper rail holding plate 35, the large board member 22 and the accommodation portion 26 are opened upward. The lower rail holding portion 35a, the large board member 22, and the housing portion 26 form a lower opening rail groove portion 36a, respectively, and the rail groove portions 36, 36a have the same width as the rail groove portions 34, 34a. The rail grooves 36 and 36a have the same depth, and the rail grooves 36 and 36a are formed by the rails 9 of the upper rail 8 and the lower rail 16. Forms as fit respectively to 17.

Reference numerals 37 and 37a denote L-shaped sliding members made of synthetic resin. The L-shaped sliding members 37 and 37a are provided in the respective rail groove portions 34, 34a,.
They are provided so as to be located on both sides of the rail 9 and the rail 17 within 36 and 36a.

Next, the small board member 23 which is a main component of the main slide board 21 will be described.
Is a connecting surface of the small board member 23 with the large board member 22, and is a contact portion of the large board member 22 to the receiving plate portion 28.
39 is formed so as to protrude forward from the other side of the small board member 23.

Reference numeral 40 denotes an abutting projection projecting forward from one side edge of the small board member 23. The upper end of the abutting projection 40 is below the rail 9 and the lower end is above the rail 17. Are set respectively.

Numeral 41 is a latch plate fixed to the outer surface of the contact projection 40. The latch plate 41 has a front end edge that matches that of the contact projection 40 and a rear end edge that is small. The board member 23 is formed to protrude rearward from the rear surface to form an intrusion prevention portion 42 for cutting chips or the like. Is fixed.

Reference numerals 43, 43a... Are rail clamping plates fixed in the vicinity of four corners on the rear surface of the small board member 23 in the same manner as the rail clamping plates 33, 33a of the large board member 22.
Are formed in the shape of a stepped plate having a step at a substantially central portion, and rail groove portions 44, 44a are formed by the rail sandwiching plates 43, 43a and the small board member 23, and each rail groove portion 44 is formed. , 44a are opposed to each other and have the same width and depth as the rail grooves 34, 34a of the large board member 22. The rail grooves 44, 44a are formed in the upper rails. 8 and 9 on the lower rail 16 and the lower rail 16, respectively.

Next, the fixing portions 24 and 24a for connecting the large board member 22 and the small board member 23 in the main slide board 21 will be described.
Fixed parts 24, 24a fixed to the end face of the small board member 23 side of
A drop bar holder 47 is fixedly mounted above the fitting tube 46 on the other side of the small board member 23 on the side of the large board member 22, and the drop bar holder 47 is provided.
A drop rod 48 is inserted and inserted into the lower end of the drop rod 48.
The main slide board 21 is formed by connecting the large board member 22 and the small board member 23 integrally by inserting them into the main board 46.

Reference numerals 49, 49a denote sub-slide boards which are disposed behind both ends of the main slide board 21 and correspond to a part of the horizontal slide cover 4a.
a has substantially the same configuration as the small board member 23 of the main slide board 21, and one sub-slide board 49 and the other sub-slide board 49a are bilaterally symmetrical. Has a locking projection 50
Abutment projections 51 are provided on the outer edge,
The upper end is set below the rail holding plate 33 above the main slide board 21, and the lower end is set above the lower rail holding plate 33a.

The contact protrusion 51 has an upper end set below the rear rail 9a of the upper rail 8, and a lower end set above the rear rail 17a of the lower rail 16, and has a main slide board on the inner surface. Along with fixing the cushioning material 52 made of synthetic resin corresponding to the cushioning materials 32, 32a of 21,
A cushioning material 52a is fixed to the outer surface or one of the inner surfaces of the vertical frames 5a, 5b, and a locking plate 53 fixed to the outer surface of the contact protrusion 51 has a front end edge at the contact protrusion 51. And the rear edge protrudes rearward from the rear surface of the sub-slide boards 49, 49a to form a cut-in prevention portion 54.

Also, rail holding plates 55, 55a,... Are fixed near the four corners of the rear surface of each sub-slide board 49, 49a, and the rail holding plates 55, 55a. 56, 56a ... and each rail groove 56,
L-shaped sliding members 37, 37a are opposed to each other in 56a, and the rail groove portions 56, 56a are formed by the rails 9a and the lower rail 16 of the upper rail 8.
The rails 17a are respectively fitted to the rails 17a.

Reference numeral 58 denotes a back cover fixed to the rear portion of the frame 5, the width of the back cover 58 is shorter than the length of the horizontal frame 5c, an opening 59 is formed at the center, and Right-angle cutouts 60 and 60a are provided at the two corners, and projecting plates 61 and 61a are formed rearward from both sides to form a back cover 58, and an opening is formed.
A projecting wall 62 is provided on the front side of the peripheral edge of 59, and the notches 60, 60a
The horizontal portion of the edge portion is set so as to be along the lower edge portion of the inclined member 14 of the chip guide plate 12, the vertical portion is set along the outer edge portion of the gate form 5f, and the upper edge portion of the back cover 58. Is set above the horizontal frame 5c.

The vertical dimension of the opening 59 is shorter than the main slide board 21, and the horizontal dimension is the main slide board 21.
It is slightly longer than that of.

Reference numeral 63 denotes a hooking projection having a wiper function, which will be described later, provided on the rear surfaces of the main slide board 21 and the sub-slide boards 49 and 49a. Sub slide board
A vertically long wiper fixing portion 64 fixed to the vicinity of the inner edge of the rear surface of each of 49 and 49a and a vertically long flat plate-like fixing plate 65 having the same length as the wiper fixing portion 64 are used to separate the rubber wiper 66. The wiper function part 67 at the tip of the wiper 66
Is a tongue-shaped back cover 58 and sub-slide board 4.
9, 49a are pressed against the front surface, and the rear end protrudes inward from the wiper fixing portion 64 and the fixing plate 65.

Incidentally, between the leading edge of the intrusion prevention portion 54 on the sub slide boards 49 and 49a and the front surface of the back cover 58, the leading edge of the intrusion prevention portions 31 and 42 on the main slide board 21 and the sub slide boards 49 and 49a. Between the front surface, between the front edge of the protruding wall 62 of the back cover 58 and the rear surface of the sub-slide boards 49, 49a, and the locking protrusions on the sub-slide boards 49, 49a
A very narrow gap is formed between the leading edge of the main slide board 50 and the rear surface of the main slide board 21, and both end sides of the main slide board 21 and inner end sides of the sub slide boards 49 and 49a overlap each other. ing.

Reference numerals 68, 68a denote vertically long L-shaped plate-like holding plates fixed to the accommodating portions 26 on both sides of the opening 25 of the main slide board 21, and the holding plates 68, 68a are respectively provided at upper and lower ends. The control plates 69 and 69a are fixedly mounted on the
The support pillars 70, 70a for accommodating and supporting the U-shaped vertical slide cover 4b are formed by 8, 68a and the accommodating portion 26.

.. Are vertical elongated partitioning plates provided in the respective support columns 70, 70a. The partitioning plates 71, 71a. One partition plate 71 is disposed on the holding plates 68, 68a side of the support columns 70, 70a so that the ridges 72 face rearward, and the remaining three partition plates 71 are provided.
a, 71b, 71c are superposed in such a manner as to face the above-mentioned dividing plate 71, and are arranged on the side of the accommodating portion 26 of the support pillars 70, 70a having the inner surfaces, and the gap between the dividing plates 71, 71a,. Protruding part 72
The opening 25 side is formed as slide grooves 73, 73a..., And a fitting plate 74 having the same thickness as the width of the spacing portion is provided at the opposite spacing portion.
74a are fitted, and guide members 7 are provided on the opening sides of the support columns 70 and 70a.
5, 75a.

Reference numeral 76 denotes a vertically elongated central slide board provided in the opening 25 so as to be fitted into the frontmost slide groove 74. The central slide board 76 corresponds to a part of the plurality of vertical slide covers 4b. And the thickness is the frontmost slide groove
It is slightly thinner than the width of 74, and at the center of such a central slide board 76, a tool emergence hole 77 is penetrated,
On the back side, on the upper and lower parts of the tool indentation hole 77, hooking ridges 78, 78
With the a as the rear surface, the locking ridges 79 and 79a are horizontally arranged at the upper and lower ends, respectively, and the both ends of the center slide board 76 are fitted into the slide grooves 74, and the center slide board 76 is slid up and down. It is free.

Reference numerals 80 and 80a denote upper slide boards which have the same width as the central slide board 76 and correspond to a part of the vertical slide cover 4b. The thickness of the upper slide boards 80 and 80a is the middle and the last slide groove 73a. , 73b, and the upper slide boards 80, 80a are horizontally provided with locking ridges 81, 81a at the upper and lower ends on the rear surface thereof and stoppers 82 slightly above the lower end on the front surface, respectively. The lower end of the upper slide board 80 is positioned in the middle slide groove 73a.
The upper slide boards 80, 80a are vertically slidable by fitting both end portions of the upper slide boards 80a into the rearmost slide grooves 73b, respectively.

Also, the upper slide board 80 located below
The stopper 82 is a locking ridge 78, 79 above the tool hole 77.
Between the stoppers 82 of the upper slide board 80a located above, the stoppers 82, 81a of the upper slide board 80 located below, and the stopper 27 above the opening 25 is provided with the upper slide board 80a located above. Are arranged between the locking ridges 81 and 81a, respectively.

Reference numerals 83 and 83a denote lower slide boards which are vertically symmetrical with the upper slide boards 80 and 80a and correspond to a part of the vertical slide cover 4b. , 84a are horizontally disposed slightly below the upper end of the front surface of the lower slide board 83.
The two side ends of a are fitted into the rearmost slide grooves 74b, respectively, so that the lower slide boards 83, 83a can be slid up and down.

Also, the lower slide board 83 located above
The stopper 85 is a locking ridge 78a below the tool retracting hole 77,
Between 79a, the stopper 85 of the lower slide board 83a located below is located between the locking ridges 84, 84a of the lower slide board 83 located above, and the stopper 27a below the opening 25 is located at the lower slide board located below. 83a locking ridge 84,
84a are located between them.

Reference numeral 86 denotes an upper cover. The upper cover 86 has the same width as the back cover 58. A short rear hanging plate 88 is formed at the rear end edge of the top plate 87, and is formed at the front end edge. Forms a long front hanging plate 89, side plates 90 and 90a are arranged on both sides to form an upper cover 86, and a lower end of the rear hanging plate 88 contacts an upper end of the back cover 58. At the same time, the back cover 58 is screwed and fixed to the mounting plate 91 fixed to the inner surface of the lower end portion of the rear hanging plate 88, and the lower end of the front hanging plate 89 is horizontally mounted on the front of the vertical frames 5a and 5b. The side plates 90, 90a are notched at positions corresponding to the horizontal frame 5c and the upper rail 8.

The frame 6 and the L-shaped receiving plates 7, 7a are upper covers.
The frame 6 and the L-shaped receiving plates 7 and 7a may be omitted as long as the upper cover 86 can be fixed by other means.

Reference numeral 92 denotes a positioning plate provided at an intermediate portion in the upper cover 86. The positioning plate 92 is provided with vertical portions 93 arranged vertically.
The upper vertical portion 93 has an upper end fixed to the back surface of the top plate 87, and the lower vertical wall portion 93a has a horizontal frame 5c formed by integrally forming an inclined step portion 94 formed between the vertical portion 93a and the vertical portions 93 and 93a. The lower end is bent downward and forward while being in contact with the front surface.

As described above, each of the plurality of horizontal slide covers 4a
The ends of the vertical slide cover 4b are formed in an L-shape so as to be engaged with each other, and run along the guide rails 75, 75a of the upper and lower rails 8, 16 and the support columns 70, 70a, thereby interlockingly sliding. It can be superposed freely in a laminated state.

Next, the interlocking mechanism 108 of the slide cover 4 provided on the front surface of the work part 97 which can move back and forth and up and down and left and right with respect to the work table 2a in the processing unit 3 such as a machining center or a machine tool will be described. On the left and right slide table 98 mounted on the bed 1 and movable in the X direction in the processing unit 3, the Y is orthogonal to the X direction.
A work table 97 is provided so as to be movable up and down in a vertical Z direction with respect to a column 100 on the table 99, and a spindle head 97a of the work unit 97 is provided. A spindle 97b, which has a tool attached to its tip and is driven to rotate, is journalled.

The main slide board 21 is connected to the left and right slide tables 98 via connecting bodies 101 and 101a provided below the rear surface of the main slide board 21 so that the main slide board 21 and the sub The slide boards 49 and 49a slide left and right in conjunction with each other, and
Slide bearing 10 on the side of spindle head 97a
2 and a guide shaft 103 is fixed to the rear surface of the center slide board 76, and the guide shaft 103 is parallel to the direction of movement of the work table 2a.
Is inserted into the slide bearing 102 so that
, 83, 83a... Are moved up and down in conjunction with the vertical movement of the work part 97, and the front end of the work part 97 slides in the center by the reciprocation of the work part 97. It is designed to be inserted through the tool insertion hole 77 of the board 76 and to enter and exit.

In the machining unit 3 shown in FIG. 38, an L-shaped plate-shaped bracket 102a is fixed on the front surface of the work portion 97, and a slide bearing 102 is fixed on the rear surface of the front end of the bracket 102a. A guide shaft 103 fixed to the rear surface of the center slide board 76 is inserted into the slide bearing 102.

The latching projections 50 of the sub-slide boards 49, 49a, the main slide board 21, and the sub-slide board
The hooking projections 63 of 49 and 49a are respectively arranged in the above-described form, but for example, as shown in FIGS. 33 and 34, in the hooking projection 50, the front ends of the inner ends of the sub-slide boards 49 and 49a are provided. In the hooking projection 63, U-shaped wiper housing portions 104 are formed at both ends of the main slide board 21 and rear ends of the outer ends of the sub slide boards 49 and 49a, respectively.
The wiper 105 is fitted into the
Caulking to secure the wiper 105
50 and a hooking projection 63.

The cross-sectional shape of the wiper 105 is thick and substantially F-shaped, and the wiper function portion 107 having a wedge-shaped cross section facing the fitting portion 106 into the wiper accommodating portion 104 has a rounded tip. At the same time, the rear surface of the main slide board 21, the sub-slide boards 49, 49a and the front surface of the back cover 58 are respectively brought into contact with each other, and cushion materials 32, 32a are fixed to both end faces of the main slide board 21. A hooking plate 53 is fixed to the outer end surfaces of the sub-slide boards 49 and 49a, and a cushion member 52 is fixed to the inner surface of the hooking plate 53.

Further, in the interlocking of the processing unit 3 and the slide cover 4 in the above embodiment, the connecting bodies 101, 101a,
Slide bearing 102, bracket 102a and guide shaft
Although the interlocking mechanism 108 using the 103 has been described, it may be configured as shown in FIGS. 39 to 41 described below.

Reference numeral 109 denotes a bracket fixed to the jig base 2 on the front surface of the left and right slide table 98, and a vertically long link bar 110 is vertically connected to the bracket 109 in the Z direction. A rail 111 is mounted on the upper part of 5c, and a bracket 112 guided by the rail 111 is connected to an upper part of the link bar 110 to prevent the link bar 110 from falling in the Y direction.

The link bar 110 is connected to the main slide board 21 of the slide board moving in the lateral direction by a bracket 113, and a first slide block 115 containing a roller 114 is attached to the link bar 110. 114 only in the Z direction (vertical direction)
One slide block 115 is movable.

Numeral 116 denotes the spindle head 9 of the working portion 97
7a, a second slide block having rollers 117, 117a built therein. A pilot bar 118 is slid on the slide block 116 only in the Y direction (front-back direction).
The pilot bar 118 is inserted so as to be movably guided and supported , and the distal end of the pilot bar 118 is connected to the first slide block 115. To the slide bearing 10 in the first embodiment.
2 and the guide shaft 103, and the guide shaft 103 and the pilot bar 118 can be freely moved in the Z direction while keeping the horizontal state.

Reference numeral 119 denotes an arm fixed to a first slide block 115 which is attached to the link bar 110 so as to be movable in the Z direction. The tip of the arm 119 is a bracket projecting from the central slide board 76 of the main slide board 21. 120 and the first slide block 115
The center slide board 76 is movable in the Z direction in accordance with the vertical movement of the center slide board 76.

Each member of the frame 5 is formed by a square pipe, a supply port 121 for supplying a coolant to the inside of the support leg frame 5d is attached, and a pipe connected to an upper portion of the vertical frame 5b.
The tip of 122 is introduced into the jig base 2 and connected to a nozzle 123 which is a coolant outlet.

Further, in the structure of the center slide board 76 provided with the tool retracting hole 77 attached to the main slide board 21, the upper slide boards 80 and 80a, and the lower slide boards 83 and 83a, as in the first embodiment, The second embodiment is not limited to a configuration in which it is movable up and down, or a configuration in which a center slide board 76 corresponding to the uppermost slide board is movable up and down as in the second embodiment.
A guide configuration in which rails for supporting each member as described below may be eliminated.

First, the second embodiment shown in FIGS. 39 to 41 will be described. A guide in which slide grooves 73, 73a... Are formed in a main slide board 21 located at the center of a plurality of horizontal slide covers 4a. The support columns 70, 70a to which the members 75, 75a are attached are fixed, and the plurality of stacked vertical slide boards 130, 131, 132, 133 are fixed by the support columns 70, 70a.
Are movably supported in the vertical direction.

The vertical slide boards 130, 131, 132,
The basic configuration of 133 is similar to the configuration of the slide grooves 73, 73a... And the lower slide boards 83, 83a, but does not have the upper slide boards 80, 80a in the first embodiment, and the uppermost vertical slide board. In addition to forming the tool retracting hole 77 on the board 133, the entire height is integrally extended to substantially the same height as the hooking projection 50 and the like, and the vertical slide board 133 projects upward from the hooking projection 50 at the time of upward movement, Below is a vertical slide board 130, 131
, 132 are sequentially connected.

The vertical slide boards 130, 131, 132,
133 has an L-shaped end similarly to that of the first embodiment, and is engaged so that it can be interlocked and freely overlapped.

The link bar 110 in the above embodiment is connected to the central slide board 76 in the horizontal direction, the first slide block 115 is connected to the horizontal slide cover 4a, and the vertical slide cover 4b is connected via the link bar 110. It is also possible to operate the horizontal slide cover 4a in conjunction with the first slide block 115.

Next, the vertical slide cover 4b of the third embodiment shown in FIG. 42 and subsequent figures will be described. Reference numeral 140 denotes a main slide board located at the center of the horizontal slide cover 4a. An opening 141 is opened in the center of the board, and the main slide board 14
A short spare stopper 142 is fixed to the upper rear surface of the main slide board 140, and a short protrusion 143 with a short damper is detachably attached to the lower rear surface of the main slide board 140.

Reference numerals 144, 144a are guide columns detachably attached to both sides of the rear surface of the main slide board 140.
Each of the plates 144, 144a is obtained by superimposing five laminated plate members 145, 145a,..., And is sequentially elongated from the first plate member 145 in contact with the main slide board 140 side to the fifth plate member 145d on the rear side. Are formed. For example, the first slide groove 146 comprises a pair of U-shaped grooves formed on both sides formed by a main slide board 140 and two plate members 145, 145a.

Reference numeral 147 denotes a first slide board incorporated in the main slide board 140.
An opening 148 is opened in the center of the first slide board 14
7, a short spare stopper 149 is fixed on the upper rear surface, and a short protrusion 150 with a damper is detachably mounted on the lower rear surface of the first slide board 147.

The second and third slide boards 151 and 152 incorporated in the main slide board 140 have similar shapes with a dimensional difference from the first slide board 147, and each has an opening 15 respectively.
3, 154, spare stoppers 155, 156 and locking ridge 157
, 158 are provided.

Reference numeral 159 denotes a center slide board incorporated in the main slide board 140.
Is a vertically long rectangular material, and a tool projecting hole 77 is provided at the center thereof, and a lifting ridge 160 with a damper is projected at a position above the tool projecting hole 77 in front of the center slide board 159,
The projecting amount is a plurality of first, second and third slide boards.
147, 151, and 152 have a protruding length on which they can be placed.

Next, the operation of the interlocking mechanism in the machine tool provided with the slide cover according to the present invention will be described. The jig is set so that the spindle 97b of the processing unit 3 is positioned at the front of the tool hole 77 of the slide cover 4. With the base 2, the processing unit 3, and the slide cover 4 installed, the work W set on the work table 2a of the jig base 2
In order to machine the workpiece W, the column 100 is moved forward in the Y direction, and the workpiece W is machined with the tool at the tip of the spindle 97b inserted through the tool retracting hole 77.

When the processing unit 3 is moved in the X direction by the left and right slide tables 98, the main slide board 21 is linked with the brackets 109 and link bars 110 connected to the left and right slide tables 98 and the brackets 113 connected to the main slide board 21. Are synchronously moved in the X direction, and by the movement of the spindle 97b in the Z direction, the slide block 115 is moved up and down along the link bar 110 in synchronization with the spindle 97b via a slide block 116 and a pilot bar 118 which can be adjusted in the Y direction. Move and slide block 11
The central slide board 76 is moved in conjunction with the spindle 97b via the arm 119 and the bracket 120 connected to the terminal 5.

When the slide block 11 is moved in the X direction,
5 also follows, and the other slide boards are interlocked without leaving a gap by the X-direction movement of the main slide board 21 and the Z-direction movement of the center slide board 76.

Next, in the horizontal slide cover 4a which moves left and right, when the main slide board 21 slides from the state of FIG. 29 (b) to the state of FIG. 29 (c), the sub slide board 49a in the traveling direction is The cushion material 32a fixed to the contact protrusion 40 provided on the end face of the main slide board 21 came into contact with the cushion material 52 fixed to the contact protrusion 51 while gradually hiding behind the main slide board 21. Thereafter, the sub-slide board 49a slides following in the same direction in a state where the whole is hidden behind the main slide board 21, and then the sub-slide board 49 on the opposite side is attached to the hooking projection 50 of the main slide board 21. One of the hooking projections 63 abuts and engages and slides in the same direction.

On the contrary, the main slide board 21 is
When sliding from the state of (c) to the state of FIG. 29 (b), the sub-slide board 49 on the traveling direction side is gradually hidden behind the main slide board 21 and the cushion material fixed to the contact protrusion 51 is provided. After the cushion material 32 fixed to the contact protrusion 29 provided on the end surface of the main slide board 21 abuts on the sub slide board 49, the sub slide board 49 becomes the main slide board.
The sub-slide board 49a on the opposite side slides in the same direction in a state in which the whole of the sub-slide board 21a is hidden behind the rear of the main slide board 21. Stop and slide in the same direction.

The main slide board 21 and the sub-slide boards 49 and 49a are provided with cutting chips adhered to the front faces of the sub-slide boards 49 and 49a and the front face of the back cover 58 by the wiper function 67 of the hooking projection 63 provided on the rear face. Slide while wiping off.

In another embodiment, the sub-slide boards 49 and 49a slide while wiping and removing chips and the like adhered to the rear surface of the main slide board 21 by the wiper function section 107 of the latching projection 50.

Next, when the center slide board 76 slides upward from the lowermost position, the locking ridge 78 of the center slide board 76 comes into contact with the stopper 82 of the upper slide board 80 located at the bottom of the two pieces, and The slide board 80 slides upward with the slide board 80 hidden behind the center slide board 76, and the locking ridge 79a of the center slide board 76 contacts the stopper 85 of the lower slide board 83 located above the two slide boards. The lower slide board 83 slides upward following the hook.

When the center slide board 76 continues to slide upward, the upper slide board 80a, which is located above the two slide boards, slides upward in the same manner as the relation between the center slide board 76 and the upper slide board 80. In addition, the lower slide board 83a located at the lower of the two sheets also slides upward in the same manner.

Then, the locking ridge 81 of the upper slide board 80a contacts the stopper 27 above the opening 25, or the locking ridge 84a of the lower slide board 83a contacts the stopper 27a below the opening 25. The upper slide boards 80 and 80a can be slid up to the upper part of the storage section 26 in this state, and the central slide board can be slid.
76Hide behind the upper part and lower slide board 83, 83
a is exposed stepwise at the opening 25.

Next, when the center slide board 76 slides downward from the uppermost part, the upper slide boards 80, 80a and the lower slide boards 83, 83a follow and slide downward in the same state as the center slide board 76 slides. Then, the locking ridge 81a of the upper slide board 80a abuts on the stopper 27 above the opening 25 to stop the upper slide board 80a, and the locking ridge 84 of the lower slide board 83a lowers. The lower slide board 83a stops by abutting on the stopper 27a below the opening 25.

Subsequently, the locking ridge 81a of the lower upper slide board 80 abuts on the stopper 82 of the stopped upper slide board 80a, and the upper slide board 80 stops, and the upper lower slide board 80 stops. The slide ridge 84 of the 83 is stopped by the stopper 85 of the lower slide board 83a in a stopped state, the lower slide board 83 is stopped, and the slide ridge 78a of the center slide board 76 is stopped. The slide can be slid downward until it comes into contact with the stopper 85 of the 83 or the locking ridge 79 of the central slide board 76 contacts the stopper 82 of the upper slide board 80.

The upper slide boards 80, 80a are exposed stepwise at the opening 25, and the lower slide boards 83, 83a are superposed at the lower part of the housing part 26 and hidden behind the lower part of the central slide board 76. .

The center slide board 76 slides up and down while the main slide board 21 slides left and right, so that the tool slide hole 77 of the center slide board 76 can be moved in an oblique direction.

Further, at the time of machining the work W by the tool of the spindle 97b, a coolant is supplied from a supply port 121 provided on the machining unit 3 side of the frame 5 to circulate through the inside of the frame 5 so that the pipe 122 on the upper portion of the frame 5 passes through the pipe 122. The coolant is ejected from the nozzle 123 to the work W via the nozzle 123.

In the operation of the vertical slide cover 4b of the third embodiment, the lifting ridge 160 fixed to the central slide board 159 to be moved upward is provided by the third slide board 152, the second slide board 151, and the first slide board 151. The slide board 147 is sequentially moved upward to raise the vertical slide cover 4b, so that the first slide board 147, the second slide board 151, and the third slide board 152 at the time of lowering fall by their own weights, and
The lower end of the center slide board 159 is forcibly lowered to the locking projection 158 of the slide board 152.

[0082]

In summary, the present invention provides a spindle of the machining unit 3 between a jig base 2 for supporting the workpiece W and a machining unit 3 which can move the workpiece W in three axial directions of front, rear, left, right and up and down. It has a tool hole 77 through which the head 97a is movably inserted in the front-rear direction, and slides left and right and up and down according to the left and right and up and down movements of the processing unit 3 so that coolant and chips and the like move to the processing unit 3 side. Horizontal slide cover 4 to prevent scattering
a and a vertical slide cover 4b, the tool protrusion hole 7 of the spindle head 97a.
7, the horizontal slide cover 4a is slid in conjunction with the left-right movement of the left-right moving body on the processing unit 3 side, and the vertical slide cover 4a is moved.
-4b up and down movement of the up and down moving body on the processing unit 3 side
Linking means that slides in conjunction with
And the vertical direction interlocking means) , so that the slide cover 4 can be interlocked in the X direction via the left and right interlocking means in accordance with the left and right movement operation of the processing unit 3, and also in the Y direction. Can be handled by vertical interlocking means,
Therefore, the slide cover 4 can be moved synchronously with the processing unit 3.

In addition, because of such an operation configuration, when the spindle head 97a or the spindle 97b of the processing unit 3 is inserted into or removed from the tool projecting hole 77, no manual operation is required, and the work part 97 is always positioned at the center of the tool projecting hole 77. It is possible to improve the workability by eliminating the need for the center alignment operation even during the changeover of the setup, and the spindle head 97a is not directly connected when the slide cover 4 is moved. No extra load is applied, and adverse effects on processing accuracy can be eliminated. Further, the above-described working part 97 (spindle)
The center coincidence action between the head 97a) and the tool retracting hole 77
And the spindle head 97 with respect to the tool
Since the projecting state of “a” is not a requirement, the tool projecting hole 7
Spin with the spindle head 97a pulled out from 7
Even if the dollar head 97a moves, the tool will appear and disappear with the interlocking means
The hole 77 also moves, and the spindle head 97a moves
Machine tools such as machining centers that move far from W
However, the present invention can be applied.

Further, the interlocking mechanism in the machine tool provided with the slide cover according to the third, fourth or fifth aspect has an extremely large practical effect such as the same effect as described above can be obtained with a simple configuration. is there.

[Brief description of the drawings]

FIG. 1 is a front view of a slide cover for a machine tool.

FIG. 2 is a rear view of the same.

FIG. 3 is a vertical sectional view of a main part of FIG.

FIG. 4 is a front view of the frame.

FIG. 5 is a side view of the same.

FIG. 6 is a front view of an upper rail.

FIG. 7 is a side view of the same.

FIG. 8 is a front view of a lower rail.

FIG. 9 is a side view of the same.

FIG. 10 is a front view of a large board member in the main slide board.

FIG. 11 is a plan view of the same.

FIG. 12 is a side view of the same.

FIG. 13 is a front view of a small board member in the main slide board.

FIG. 14 is a plan view of the same.

FIG. 15 is a side view of the same.

FIG. 16 is a front view of the side slide board.

FIG. 17 is a plan view of the same.

FIG. 18 is a side view of the same.

FIG. 19 is a rear view of the back cover.

FIG. 20 is a side view of the same.

FIG. 21 is a rear view of the center slide board.

FIG. 22 is a side view of the same.

FIG. 23 is a rear view of the upper slide board or the lower slide board.

FIG. 24 is a side view of the same.

FIG. 25 is a rear view of the clamping plate.

FIG. 26 is a bottom view of the same.

FIG. 27 is a front view of the wiper.

FIG. 28 is a bottom view of the same.

FIG. 29 is an explanatory diagram showing a sliding process in the left-right direction.

FIG. 30 is an explanatory diagram showing a vertical sliding process.

FIG. 31 is an enlarged main-portion cross-sectional view showing a state where the main slide board is in contact with the contact protrusion of the sub-slide board.

FIG. 32 is an enlarged main-portion cross-sectional view showing a state in which a hooking protrusion of the main slide board projects and locks on a hooking protrusion of the sub-slide board.

FIG. 33 is an enlarged cross-sectional view of an essential part of another embodiment of FIG. 31;

FIG. 34 is an enlarged cross-sectional view of a main part of another embodiment of FIG. 32;

FIG. 35 is a cross-sectional view of a main part of the storage unit.

FIG. 36 is a schematic perspective view of a fixing unit.

FIG. 37 is a schematic perspective view showing an arrangement state on a machine tool.

FIG. 38 is a schematic perspective view of the machine tool with a machine tool slide cover removed.

FIG. 39 is a front view of the second embodiment.

40 is a sectional view taken along line AA of FIG. 39.

41 is a sectional view taken along the line BB of FIG. 39.

FIG. 42 is a front view of a vertical slide cover according to the third embodiment.

FIG. 43 is a plan view of FIG. 42.

FIG. 44 is a longitudinal sectional view of FIG. 42.

FIG. 45 is a cross-sectional view of a main part showing a stacked state.

FIG. 46 is a front view of the main slide board of the third embodiment.

FIG. 47 is a front view of a guide column.

FIG. 48 is a front view of the first slide board.

FIG. 49 is a front view of a center slide board.

FIG. 50 is a side view of FIG. 49;

[Explanation of symbols]

 2 Jig base 3 Processing unit 4 Slide cover 4a Horizontal slide cover 4b Vertical slide cover 101 Connecting body 102 Slide bearing 103 Guide shaft 110 Link bar 115 Slide block 116 Slide block 118 Pilot bar W Work

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tadashi Sugiyama 50 Matsumoto, Takaokashinmachi, Toyota City, Aichi Prefecture Nakano Sheet Metal Co., Ltd. (56) References JP-A-2-15946 (JP, A) JP-A-4-315546 (JP, A) (58) Field surveyed (Int. Cl. ⁶ , DB name) B23Q 11/08

Claims (5)

(57) [Claims] 1. A jig base for supporting a work and the work
Machining unit that can be moved in three axial directions: front, back, left, right, up and down
The spindle head of the processing unit
The tool has a tool hole which is inserted movably in the front-rear direction.
Depending on the horizontal and vertical movement of the processing unit,
And slide vertically to remove coolant and chips.
Lateral slide to prevent scattering to the processing unit side
Machine tool with cover and vertical slide cover
With respect to the tool retracting hole of the spindle head.
Regardless of the appearance state, the horizontal slide cover is processed
The unit slides in conjunction with the left and right movement of the left and right moving body
The vertical slide cover and the processing unit.
Slide in conjunction with the vertical movement of the vertical moving body on the
Equipped with a slide cover characterized by interlocking means
Interlocking mechanism in machine tools. 2. The spindle head according to claim 1 , wherein
Wherein regardless of the engagement state of the tool infested hole, the lateral direction interlocking means for sliding in conjunction with the transverse slide cover on the left and right movement of the horizontal movement of the machining unit side,
In the engagement state of the spindle head and the tool retracting hole
Regardless, claim 1, characterized in that it consists of a vertical interlocking means for sliding in conjunction with the vertical slide cover up and down movement of the vertical movement of the working unit side
Interlocking mechanism in the machine tool provided with a slide cover. From 3. A slide table provided to be horizontally movable on a bed, a column which is movable back and forth on the slide I de table, a spindle head provided vertically movably on the column comprising comprising a processing unit, said processing unit, between the jig base for supporting the workpiece, the left-right direction according to the movement of the horizontal and vertical directions of the inserted movably said spindle head in the longitudinal direction said spindle head and In a machine tool equipped with a horizontal slide cover and a vertical slide cover that slides up and down to prevent coolant and chips from scattering to the processing unit side, the slide table is connected to a center slide board of the horizontal slide cover. and, connecting the guide shaft in the center slide board of the longitudinal slide cover, the moth An interlocking mechanism in a machine tool having a slide cover, wherein an id shaft is inserted into a slide bearing attached to the spindle head so as to be able to advance and retreat in a front-rear direction. 4. A jig base for supporting a workpiece and the workpiece.
Machining unit that can be moved in three axial directions: front, back, left, right, up and down
The spindle head of the processing unit
The tool has a tool hole which is inserted movably in the front-rear direction.
Depending on the horizontal and vertical movement of the processing unit,
And slide vertically to remove coolant and chips.
Lateral slide to prevent scattering to the processing unit side
Machine tool with cover and vertical slide cover
Connected to the left and right moving body of the processing unit,
Moves in conjunction with the horizontal movement of the processing unit
A link bar connected to the slide cover, and the link
The bar is guided and supported by the bar so that it can slide only in the vertical direction.
A first slide block connected to the ride cover,
Connected to the first slide block and extended in the front-rear direction
The pilot bar and the vertical moving body of the machining unit
Linked with the vertical movement of the processing unit
Move and move the pilot bar only in the front-back direction
And a second slide block for slidably guiding and supporting.
Machine tool with slide cover
Interlocking mechanism. 5. A spindle head of the processing unit is movably inserted in a front-rear direction between a jig base for supporting the work and a processing unit movable in three axial directions of front-rear, left-right and up-down processing of the work. A horizontal slide cover that has a tool retracting hole and slides in the left and right and up and down directions in accordance with the movement of the processing unit in the left and right and up and down directions to prevent coolant, chips and the like from scattering to the processing unit side. and the vertical slide machine tool provided with a cover, the processing unit and a moveable support columns provided on the left and right directions between the jig base, wherein the support column the longitudinal slide cover slidably in the vertical direction in the guide Then, a horizontal slide cover slidable in the left-right direction is connected to both sides of the support column, and the support column and the processing unit side are moved left and right.
Right and left direction interlocking means for connecting a moving body and sliding the support column in conjunction with the left and right movement of the left and right moving body on the processing unit side is provided, and the spindle head is
A work provided with a slide cover, characterized in that there is provided up-down interlocking means for sliding the vertical slide cover in conjunction with the up-down movement of the up-down moving body on the processing unit side , regardless of the state in which the tool slides out of the hole. Interlocking mechanism in a machine.