JPH0724684A - Interlocking mechanism in machine tool having slide cover - Google Patents

Abstract

PURPOSE:To improve workability by interlocking a slide cover via a bracket and a link bar etc., according to the three-demensional motion of a working unit in the case where a slide cover for preventing the splash-adherence of a coolant and a chip, etc., to a working part side at the time of working is provided. CONSTITUTION:In a machine tool machine tool wherein work supported by a jig base is worked by a working unit movable in three axis directions of fore and aft, lateral, and vertical, longitudinal and lateral slide covers 4a and 4b are provided which are slided in vertical and lateral directions according to the movement of the working unit to prevent the splash of a coolant and a chip etc. to the working unit 3 side. One side slide cover 4a is linked by a link bar 110, and a first slide block 115, connected to the other side slide cover 4b and provided with a pilot bar 118, is slidably supported by the link bar 110. A second slide block slidably guiding the pilot bar 118 is provided on the working unit side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is arranged between a work table and a machine part having a spindle at the tip of a machine tool such as a machining center, and is used for machining the work, such as coolant, chips and chips. The present invention relates to an interlocking mechanism in a machine tool provided with a slide cover for preventing the scattering and attachment of the.

[0002]

2. Description of the Related Art Conventionally, in a processing unit such as a machine tool for cutting a work, a work unit having a spindle at its tip is arranged to move forward and backward with respect to a work table. Chips, coolant, etc. scatter all over the periphery, which has the drawback of deteriorating the working environment. Moreover, since some of the scattered chips adhere to the work part, there is a drawback that failures easily occur. Was there.

Therefore, a partition wall provided with a projecting / retracting hole for the working section is arranged between the work table and the working section.
By using a slide cover formed by a plurality of slide boards whose partition walls can move vertically and horizontally, it is designed to prevent scattering and adhesion to the machine tool body. The spindle is fitted into the tool withdrawal hole provided in the center cover, and the slide cover is moved by the pressing movement of the processing unit.In addition to this fitting part, there is a synchronous movement mechanism for the processing unit and slide cover. There wasn't.

As a result, if the spindle of the processing unit is removed from the tool cover hole of the slide cover when the tool is replaced, the spindle must be manually fitted into the tool cover hole during the next process, and the next process starts. Has the drawback of requiring time and effort to change the setup, and because the motive force of the slide cover movement that should follow the movement of the spindle is the pressing action of the spindle, an excessive load is applied to the spindle, spindle head, and processing unit. Had a drawback that it adversely affects the processing accuracy of.

[0005]

SUMMARY OF THE INVENTION According to the present invention, when connecting a processing unit and a slide cover, it is possible to freely connect, disconnect, and return the spindle and the tool withdrawal hole, and the spindle is moved without moving the slide cover. To provide an interlocking mechanism in a machine tool provided with a slide cover adapted to eliminate the load on the machine and maintain the machining accuracy.

[0006]

According to the present invention, the slide cover movement is directly interlocked with the spindle of the processing unit based on the above-mentioned prior art, and the interlocking ability is eliminated for tool replacement and the setup change is time-consuming. In view of the problem and the problem of deterioration in processing accuracy due to load on the spindle, the left and right slide tables, the link bar, and the main slide board are connected, and the second slide block that moves along the link bar is processed by the processing unit side. By connecting the pilot bar that can move forward and backward and engaging the arm fixed to the second slide block with the central slide board, the interlocking mechanism is formed as a separate interlocking mechanism without using the spindle and the tool withdrawal hole. The spindle can be freely inserted and removed from the tool withdrawal hole, and a load other than the processing purpose is applied to the spindle. For example in the manner not, it is obtained by eliminating cents above-mentioned problems.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings, in which 1 is a bed on which a slide cover device for machine tools according to the present invention is installed, and the bed 1 is shown by a chain line. A processing unit 3 which supports a jig base 2 having a work base 2a for supporting a work W and is movable vertically and horizontally on the bed 1 on the front surface of the jig base 2.
Are installed opposite each other.

Reference numeral 4 is 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 and 5b are provided on both sides. The vertical frame 5a, 5b between the upper ends of the horizontal frame
Along with erection of 5c, supporting leg frames 5d and 5e are horizontally projected inward from the lower ends of the vertical frames 5a and 5b, and a gate form 5f is laid between the inner ends of the supporting leg frames 5d and 5e. is doing.

Reference numeral 6 is an elongated rectangular rod-shaped frame, and the frame 6 is an L-shaped receiving plate 7, 7a fixedly installed on the upper front portion of the vertical frames 5a, 5b.
It is placed in a detachable way in between.

Reference numeral 8 denotes an upper rail which is horizontally installed in the upper part of the frame 5, and the upper rail 8 is a flat plate having a length substantially the same as that of the horizontal frame 5c and is formed in parallel with the front and rear sides with a space therebetween. Rails 9 and 9a, and L-shaped plate-shaped fixed bodies 10 and 10a fixed to the upper surfaces of the rails 9 and 9a at predetermined intervals, and the rising portions 11 and 11a of the fixed bodies 10 and 10a. Is attached to the rear surface of the horizontal frame 5c, and the upper rail 8 is fixed to the horizontal frame 5c with bolts or the like.

Reference numeral 12 is a horizontally long and bent plate-shaped chip guide plate, and the chip guide plate 12 is a fixing member 13 to the front surface of the gate mold 5f.
The fixing member 13 is composed of an inclined member 14 extending upward and rearward from an upper end edge portion thereof, and a vertical member 15 standing upward from an upper end edge portion of the inclined member 14, and the inclined member 14 and the vertical member 15 are horizontal frames. It is about the same size as 5c.

Reference numeral 16 is a lower rail which is horizontally arranged in the lower portion of the frame 5, and the lower rail 16 is the rails 9 and 9a of the upper rail 8.
Corresponding to the above, two rails 17, 17a are arranged in parallel, and fixed bodies 18, 18a ... Are provided on the lower surface of the rails 17, 17a at predetermined intervals, and the fixed bodies 18, 18a. Opposing member
The rail 1 is a plate body having a U-shaped horizontal cross section composed of a fixing member 20 connecting the facing members 19 and 19a to each other.
7 and 17a and the facing members 19 and 19a are orthogonal to each other, the fixing members 18, 18a are fixed to the lower surfaces of the rails 17 and 17a, and the fixing member 20 is fixed to the front surface of the vertical member 15 of the chip guiding 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 arranged immediately below the lower rail 16.

Reference numeral 21 denotes a main slide board which is slidably arranged on the upper rail 8 and the lower rail 16,
The main slide board 21 has a plurality of horizontal slide covers 4a.
A large board member 22 and a small board member 23.
Are integrally connected by fixing portions 24 and 24a.

The large board member 22 which is the main constituent member of the main slide board 21 will be described. 25 is located at the center of the main slide board 21 and is located on one side of the large board member 22 (small board member 23 side). The opening 25 is provided, and the opening 25 is formed in the shape of a vertical rectangle in the center of the accommodating portion 26 that is formed in the shape of a vertical rectangle.

Reference numerals 27 and 27a denote elongated rod-shaped stoppers related to the vertical slide, and the stoppers 27 and 27a are horizontally arranged near the upper and lower portions of the opening 25 as the front surface of the accommodating portion 26.

28 is a small board member 23 of the large board member 22
Is a receiving plate portion that serves as a connecting surface with, and the receiving plate portion 28 bends and extends one side edge portion of the large-sized board member 22 forward,
The tip portion is further bent and extended toward the small board member 23 side.

Reference numeral 29 denotes an abutting protrusion projecting forward from the other edge of the large-sized board member 22, the upper end of the abutting protrusion 29 being below the upper rail 9 and the lower end being below. They are set above the rails 17, respectively.

Reference numeral 30 denotes a retaining plate fixed to the outer surface of the contact protrusion 29. The retaining plate 30 has its front end edge aligned with that of the contact protrusion 29 and has a large rear end edge. A board member (22) is formed so as to project rearward from the rear surface to form an intrusion prevention portion (31) for chips and the like, and a cushioning member (32) made of synthetic resin is provided on the other end surface of the main slide board (21) on the front side of the outer surface of the latch plate (30). Is fixed.

Reference numerals 33 and 33a denote rail holding plates fixed near the upper and lower two corners on the other side of the rear surface of the large-sized board member 22, and the rail holding plates 33 and 33a have a step having a step portion at a substantially central portion. The upper rail sandwiching plate 33 has an upper end aligned with the upper edge of the large board member 22, and the lower rail sandwiching plate 33a has a lower end aligned with the lower edge of the large board member 22. In addition, 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. The rail groove portions 34, 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 in the upper and lower portions of the housing portion 26 near the upper and lower two 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. The stepped portion is formed in a flat plate shape having a stepped portion, and the stepped portion is fixed so as to abut the corner portion of the accommodating portion 26, and the upper rail sandwiching plate 35 has the upper end portion of the large board member 22. The lower rail sandwiching plate 35a has its lower end aligned with the lower edge of the large-sized board member 22, and the upper rail sandwiching plate 35, the large-sized board member 22 and the accommodating portion 26 open upwards. Of the rail groove 36 of the lower rail sandwiching plate 35a, the large board member 22 and the accommodating portion 26 to form a rail groove 36a of the lower opening, and the rail groove 36, 36a has the same width as the rail groove 34, 34a. In addition, the rail grooves 36 and 36a having the same depth are formed so that the rail 9 of the upper rail 8 and the rail 9 of the lower rail 16 are formed. Forms as fit respectively to 17.

Incidentally, 37 and 37a are L-shaped sliding contact bodies made of synthetic resin, and the L-shaped sliding contact bodies 37 and 37a are the rail groove portions 34 and 34a.
The rails 9 and 17 are arranged so as to be positioned on both sides of the rail 9 and the rail 17 within the rail 36 and 36a.

Next, the small board member 23 which is a main constituent member of the main slide board 21 will be described.
Is a contact surface between the small board member 23 and the large board member 22 and the receiving board portion 28 of the large board member 22.
The small board member 23 is formed so as to project forward from the other side.

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

Reference numeral 41 denotes a latch plate fixedly provided on the outer surface of the contact projection 40. The latch plate 41 has its front end edge aligned with that of the contact projection 40 and has a small rear end edge. A board member (23) is projected rearward from a rear surface to form an intrusion prevention section (42) for chips and the like, and one end surface of the main slide board (21) is formed on the outer side of the latch plate (41) on the front side with a synthetic resin cushion material (32a). Is fixed.

Numerals 43, 43a, ... Are rail clamping plates fixed near the four corners of 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.
43, 43a ... Are formed in a stepped flat plate shape having a step portion in the substantially central portion, and the rail sandwiching plates 43, 43a ... And the small board member 23 form rail groove portions 44, 44a. , 44a are provided with L-shaped sliding contact bodies 37, 37a facing each other, and have the same width and the same depth as the rail groove portions 34, 34a of the large board member 22, and the rail groove portions 44, 44a. It is configured to be fitted into the rail 9 of 8 and the rail 17 of 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. 46 is the large board member 22.
Fixing portions 24, 24a fixed to the end surface of the small board member 23 side of
One of the fitting members is a fitting insertion tube, and the other side of the small board member 23 is a large board member 22 side.
Insert the drop rod 48 into the tube and fit the lower end of the drop rod 48 into the insertion tube.
By being inserted into 46, the large board member 22 and the small board member 23 are integrally connected to each other to form the main slide board 21.

Reference numerals 49 and 49a denote sub-slide boards which are arranged at the rear of both ends of the main slide board 21 and correspond to a part of the horizontal slide cover 4a.
a has substantially the same structure 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, and the inner edge portions of the sub slide boards 49, 49a are symmetrical. On the hanging protrusion 50
And the contact protrusions 51 are provided at the outer edge portions, respectively, and
The upper end portion is set below the rail holding plate 33 above the main slide board 21, and the lower end portion is set above the lower rail holding plate 33a.

Further, the abutting protrusion 51 has its upper end set below the rear rail 9a of the upper rail 8 and its lower end above the rear rail 17a of the lower rail 16, and has a main slide board on its inner surface. The cushion material 52 made of synthetic resin corresponding to the cushion materials 32 and 32a of 21 is fixed, and
A cushion member 52a is fixed to the outer surface or one of the inner surfaces of the vertical frames 5a and 5b, and a latch plate 53 fixed to the outer surface of the contact projection 51 has a front end edge portion which contacts the contact projection 51. The rear edge portion of the sub-slide boards 49, 49a is projected rearward from the rear surface of the sub-slide boards 49, 49a to form an intrusion prevention portion 54 for chips and the like.

Rail clamping plates 55, 55a ... Are fixedly provided near the four corners of the rear surface of each sub-slide board 49, 49a. The rail clamping plates 55, 55a. 56, 56a ... and the rail groove portions 56,
L-shaped slidable contact bodies 37, 37a are installed in the interior of 56a, and the rail groove portions 56, 56a are provided on the rail 9a of the upper rail 8 and the lower rail 16.
It is designed to be fitted into each rail 17a.

Reference numeral 58 denotes a back cover fixed to the rear portion of the frame 5. The width dimension of the back cover 58 is shorter than the length dimension of the horizontal frame 5c, and an opening 59 is formed in the center portion thereof, and the lower portion Right-angled notches 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.
A projecting wall 62 is provided on the front side of the peripheral edge of 59, and cutouts 60, 60a are provided.
The horizontal portion of the end edge portion is set to the lower edge portion of the inclined member 14 of the chip guiding plate 12, and the vertical portion is set to follow the outer edge portion of the gate form 5f, and the upper edge portion of the back cover 58 is set. Is set above the horizontal frame 5c.

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

Reference numeral 63 denotes a hooking protrusion provided on the rear surfaces of the main slide board 21 and the sub-slide boards 49, 49a, which has a wiper function to be described later. Sub slide board
A rubber wiper 66 is attached to a vertically long wiper fixing portion 64 fixed to each of the inner surfaces of the rear surfaces of 49 and 49a, and a vertically long flat plate fixing plate 65 having the same length as the wiper fixing portion 64. The wiper 66 is formed by sandwiching and fixing, and the wiper function part 67 at the tip of the wiper 66.
Has a tongue-shaped cross section, the back cover 58 and the sub slide board 4
While being pressed against the front surfaces of the members 9 and 49a, their rear end portions project inward from the wiper fixing portion 64 and the fixing plate 65.

In addition, between the front edge of the intrusion prevention portion 54 of the sub slide boards 49, 49a and the front surface of the back cover 58, the front edge of the intrusion prevention portions 31, 42 of the main slide board 21 and the sub slide boards 49, 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 hooking projections on the sub-slide boards 49, 49a.
A very narrow gap is formed between the leading edge of 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, 49a overlap each other. ing.

Reference numerals 68 and 68a denote vertically long L-shaped plate-like sandwiching plates fixedly provided in the accommodating portions 26 on both sides of the opening 25 of the main slide board 21, and the sandwiching plates 68 and 68a are respectively at upper and lower ends. The restriction plates 69 and 69a are integrally fixed to the section, and the clamping plate 6
The support pillars 70 and 70a for accommodating and supporting the U-shaped vertical slide cover 4b are formed by the housings 26 and 8 and 68a.

71, 71a ... are vertically long partition plates provided in the respective support columns 70, 70a, and the partition plates 71, 71a ... Provide a ridge 72 in the center and in the longitudinal direction of the vertically long rectangular plate. One partition plate 71 is arranged on the support plate 70, 70a on the side of the sandwiching plates 68, 68a with the ridges 72 facing rearward, and the remaining three partition plates 71 are formed.
The a, 71b, and 71c are overlapped with each other in a posture so as to face the partition plate 71, and are disposed on the accommodation section 26 side of the support pillars 70 and 70a having the inner openings, and the gaps between the partition plates 71, 71a. Part 72
The opening portion 25 side is formed with slide grooves 73, 73a, ..., On the opposite side thereof, a fitting plate 74 having the same thickness as the width dimension of the gap portion,
74a is fitted and the guide member 7 is provided on the opening side of the support columns 70, 70a.
5 and 75a are formed.

Reference numeral 76 denotes a vertically long rectangular center slide board which is provided in the opening 25 so as to be fitted in the slide groove 74 at the forefront, and the center slide board 76 corresponds to a part of the plurality of vertical slide covers 4b. However, its thickness is the frontmost slide groove.
It is slightly thinner than the width dimension of 74, and a tool withdrawal hole 77 is provided in the center of the central slide board 76.
On the rear side, hook protrusions 78, 78
With a as the rear surface, latching protrusions 79 and 79a are horizontally arranged at the upper and lower ends, respectively, and both end portions of the central slide board 76 are fitted into the slide grooves 74 to slide the central slide board 76 up and down. It is made freely.

Reference numerals 80 and 80a denote upper slide boards having the same width as the central slide board 76 and corresponding to a part of the vertical slide cover 4b. The thickness of the upper slide boards 80 and 80a is the slide groove 73a at the middle portion and the rearmost portion. , 73b are substantially the same as the width of the upper slide boards 80, 80a, and the upper and lower end portions of the rear surfaces of the upper slide boards 80, 80a are provided with the latching projections 81, 81a, and the stoppers 82 are horizontally arranged slightly above the lower end portions of the front surfaces. The upper slide board 80 located above the upper slide board 80 and the both end portions of the upper slide board 80 located below the upper slide board 80 located above the upper slide board 80.
The upper slide boards 80 and 80a are slidable up and down by fitting both end portions of the 80a into the rearmost slide grooves 73b.

Further, the upper slide board 80 located below
The stopper 82 of is a hooking protrusion 78, 79 above the tool hole 77.
In between, the stopper 82 of the upper slide board 80a located above is between the latching projections 81 and 81a of the upper slide board 80 located below, and the stopper 27 above the opening 25 is located above the upper slide board 80a. Are arranged between the hanging protrusions 81 and 81a.

Reference numerals 83 and 83a denote lower slide boards which are vertically symmetrical to the upper slide boards 80 and 80a and correspond to a part of the vertical slide cover 4b. The lower slide boards 83 and 83a are provided with hooking projections 84 at both ends of the rear surface. , 84a are arranged horizontally below the upper end of the front surface, and stoppers 85 are horizontally arranged. Both side ends of the lower slide board 83 located above the lower slide board 83 located in the middle slide groove 74a.
The lower slide boards 83, 83a are slidable up and down by fitting both end portions of a into the slide grooves 74b at the rearmost portion.

Also, the lower slide board 83 located above
The stopper 85 is a hooking protrusion 78a under the tool hole 77,
The stopper 85 of the lower slide board 83a located between 79a and the lower slide board 83a of the lower slide board 83 located above is the stopper 85a of the lower slide board 83 located above, and the stopper 27a below the opening 25 is the lower slide board located below. 83a of the hooking protrusion 84,
They are located between 84a.

Reference numeral 86 denotes an upper cover. The upper cover 86 has the same width as the back cover 58, and a short rear hanging plate 88 is formed at the rear edge of the top plate 87, and at the front edge thereof. Forms a long front hanging plate 89, and side plates 90 and 90a are arranged on both sides to form an upper cover 86, and the lower end of the rear hanging plate 88 contacts the 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 portion of the front hanging plate 89 is a frame that is laid across the front portions of the vertical frames 5a and 5b. 6 is screwed and fixed, and the side plates 90 and 90a are cut out at positions corresponding to the horizontal frame 5c and the upper rail 8.

The frame 6 and the L-shaped receiving plates 7 and 7a are upper covers.
The frame 6 and the L-shaped receiving plates 7 and 7a are not necessary if the upper cover 86 can be fixed by other means.

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

As described above, a plurality of horizontal slide covers 4a are provided, respectively.
Also, the end portions of the vertical slide cover 4b are formed into an L-shape so as to be in an engaged state, and the upper and lower rails 8 and 16 and the guide members 75 and 75a of the support columns 70 and 70a are moved to slide in an interlocking manner. It can be stacked freely.

Next, the interlocking mechanism 108 of the slide cover 4 provided on the front surface of the work part 97 that can move back and forth and move vertically and horizontally with respect to the work table 2a in the machining unit 3 such as a machining center and a machine tool will be described. On the left and right slide table 98, which is placed on the bed 1 in the processing unit 3 and is movable in the X direction, the Y that is orthogonal to the X direction is moved.
In addition to providing an advancing / retreating table 99 which is movable in any direction, a working section 97 is arranged vertically movable in the vertical Z direction with respect to a column 100 on the advancing / retreating table 99, and a spindle head 97a of the working section 97 is provided. A spindle 97b, which has a tool attached to its tip and is driven to rotate, is mounted on the spindle.

By connecting the left and right slide tables 98 via connecting bodies 101, 101a provided on the lower rear surface of the main slide board 21, the main slide board 21 and the sub slides can be moved in the vertical and horizontal directions of the working section 97. Sliding boards 49 and 49a slide left and right in conjunction with each other, and working section 97
Slide bearing 10 on the side of spindle head 97a at
2 is provided and a guide shaft 103 is fixed to the rear surface of the central slide board 76, and the guide shaft 103 is parallel to the advancing and retracting direction of the work table 2a.
By inserting the slide bearing 102 into
The central, upper and lower slide boards 76, 80, 80a, 83, 83a slide in conjunction with the upward and downward movements of the workpiece, and the tip of the working portion 97 slides centrally as the working portion 97 moves back and forth. It is designed to be inserted and withdrawn through the tool withdrawal hole 77 of the board 76.

Further, in the machining unit 3 shown in FIG. 38, the L-shaped plate-shaped bracket 102a is fixedly mounted on the front surface of the working portion 97, and the slide bearing 102 is fixedly mounted on the rear surface of the tip portion of the bracket 102a. A guide shaft 103 fixed to the rear surface of the central slide board 76 is inserted into the slide bearing 102.

Incidentally, the latching projections 50 of the sub-slide boards 49, 49a, the main slide board 21, and the sub-slide board.
The hooking protrusions 63 of the 49, 49a are arranged in the above-mentioned form, respectively.However, for example, as shown in FIGS. 33 and 34, the hooking protrusions 50 are located in front of the inner ends of the sub-slide boards 49, 49a. In the hooking protrusion 63, U-shaped wiper accommodating portions 104 are formed at both ends of the main slide board 21 and at the rear of the outer end portions of the sub-slide boards 49 and 49a, respectively.
Insert the wiper 105 into the
By crimping and fixing the wiper 105,
It is composed of 50 and a hooking protrusion 63.

The cross section of the wiper 105 is formed in a substantially U-shape with a thick wall, and the wedge-shaped wiper function section 107 facing the fitting section 106 into the wiper accommodating section 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 cushioning materials 32, 32a are fixed to both end surfaces of the main slide board 21. The sub-slide boards 49, 49a are provided with a retaining plate 53 fixed to the outer end face portions thereof, and a cushion member 52 is fixed to the inner side surface of the retaining plate 53.

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

Reference numeral 109 denotes a bracket fixed to the jig base 2 side which is the front surface of the left and right slide table 98. A vertically long link bar 110 is vertically connected to the bracket 109 in the Z direction, while a horizontal frame of the frame 5 is provided. A rail 111 is attached to the upper portion of 5c, and a bracket 112 guided by the rail 111 is connected to the upper portion of the link bar 110 to prevent the link bar 110 from falling in the Y direction.

Further, the link bar 110 and the main slide board 21 in the slide board which moves laterally are brackets.
A slide block 115 having a roller 114 incorporated therein is attached to the link bar 110, and the slide block 115 is movable only in the Z direction by the roller 114.

Reference numeral 116 is a slide block fixed to the spindle head 97a of the working section 97 and having rollers 117 and 117a built therein. The pilot bar 118 is inserted into the slide block 116 and the tip of the pilot bar 118 is slid on the slide block. It is connected to 115 and transmits the movement in the Z direction to the slide cover 4 side while responding to the forward / backward movement of the processing unit 3 in the Y direction, and part of the transmission action is the slide bearing 102 and the guide shaft 103 in the first embodiment. The guide shaft 103 and the pilot bar 118 are movable in the Z direction while maintaining the horizontal state.

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

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

Further, in the structure of the central slide board 76 provided with the tool withdrawal hole 77 attached to the main slide board 21, the upper slide boards 80, 80a and the lower slide boards 83, 83a, as in the first embodiment However, the invention is not limited to the structure in which the central slide board 76, which corresponds to the uppermost slide board as in the second embodiment, is configured to be movable upward and downward only as in the second embodiment.
A guide structure without rails for supporting the following members may be used.

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

The vertical slide boards 130, 131, 132,
The basic structure of 133 is similar to the slide grooves 73, 73a ... And the lower slide boards 83, 83a, but without the upper slide boards 80, 80a in the first embodiment, the uppermost vertical slide is provided. A tool withdrawal hole 77 is formed on the board 133, and the entire height is integrally extended to substantially the same height as the hooking protrusion 50 etc., and the vertical slide board 133 projects upward from the hooking protrusion 50 when moving upward, Vertical slide boards 130 and 131 below
, 132 are sequentially connected.

The vertical slide boards 130, 131, 132,
Similar to the first embodiment, 133 end portions are L-shaped so that they can be engaged and interlocked and superposed.

The link bar 110 in the above embodiment is laterally connected to the central slide board 76, 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 interlock with the horizontal slide cover 4a via 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. 140 is a main slide board located at the center of the horizontal slide cover 4a, and the main slide board 140 is a vertically long rectangle. An opening 141 is opened in the center of the board, and the main slide board 14
A short preliminary stopper 142 is fixedly mounted on the rear surface of the upper part of 0, and a latching projection 143 with a short damper is detachably mounted on the lower rear surface of the main slide board 140.

Reference numerals 144 and 144a denote guide columns detachably attached to both sides of the rear surface of the main slide board 140.
144 and 144a are formed by stacking five laminated plate members 145, 145a ..., and are sequentially elongated from the first plate member 145 contacting the main slide board 140 side to the fifth plate member 145d on the rear surface side. .., for example, the first slide groove 146 is composed of a pair of U-shaped grooves on both sides formed by the main slide board 140 and two plate members 145, 145a.

Reference numeral 147 is a first slide board incorporated in the main slide board 140.
Open the opening 148 at the center of the first slide board 14
A short preliminary stopper 149 is fixedly mounted on the rear surface of the upper part of 7, and a latching projection 150 with a short 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 a similar shape to the first slide board 147 with a dimensional difference, and the openings 15 are respectively formed.
3, 154, preliminary stoppers 155, 156 and latching protrusions 157
, 158 are provided.

A central slide board 159 is incorporated in the main slide board 140.
Is a vertically long rectangular material, and a tool protruding / receiving hole 77 is provided at the center of the rectangular material, and a lifting ridge 160 with a damper is provided on the front surface of the central slide board 159 above the tool protruding / receiving hole 77.
The amount of protrusion is a plurality of first, second and third slide boards.
The protrusion length is such that 147, 151 and 152 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 97 so that the spindle 97b of the machining unit 3 may be located in the front position of the tool withdrawal hole 77 of the slide cover 4. Work W installed on the work base 2a of the jig base 2 with the base 2, the processing unit 3 and the slide cover 4 installed
In order to machine the workpiece W, the column 100 is moved forward in the Y direction, and the workpiece W is machined by the tool at the tip of the spindle 97b which is inserted through the tool withdrawal hole 77.

By moving the processing unit 3 in the X direction by the left and right slide tables 98, the main slide board 21 is linked by the bracket 109 connected to the left and right slide tables 98, the link bar 110, and the bracket 113 connected to the main slide board 21. Move synchronously in the X direction, and by moving the spindle 97b in the Z direction, the slide block 115 moves up and down along the link bar 110 in synchronism with the spindle 97b via the slide block 116 and the pilot bar 118, which are compatible with 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 5.

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

Next, in the lateral slide cover 4a that 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 on the advancing direction side is While gradually hiding behind the main slide board 21, the cushion member 52 fixed to the contact protrusion 51 is in contact with the cushion member 32 fixed to the contact protrusion 40 provided on the end surface of the main slide board 21. After that, the sub-slide board 49a slides in the same direction in the state where the sub-slide board 49a is hidden behind the main slide board 21, and subsequently, the sub-slide board 49 on the opposite side slides on the hooking protrusion 50 of the main slide board 21. One of the catching protrusions 63 abuts on and catches and slides in the same direction.

On the contrary, the main slide board 21 is shown in FIG.
When sliding from the state of (c) to the state of FIG. 29 (b), the sub-slide board 49 on the advancing direction side is gradually hidden behind the main slide board 21, and the cushioning material fixed to the contact projection 51 is provided. After the cushion material 32 fixed to the abutting protrusion 29 provided on the end surface of the main slide board 21 comes into contact with 52, the sub slide board 49 becomes the main slide board.
The sub-slide board 49a on the opposite side of the main slide board 21 comes into contact with the other hooking projection 63 of the main slide board 21 while the sub-slide board 49a on the opposite side slides in the same direction. Stop and slide in the same direction.

Further, the main slide board 21 and the sub slide boards 49, 49a are provided with chips by the wiper function section 67 of the hooking projection 63 arranged on the rear surface of the main slide board 21, the front surface of the sub slide board 49, 49a and the front surface of the back cover 58. Slide while wiping and removing etc.

In another embodiment, the sub-slide boards 49, 49a slide while wiping off the chips and the like adhering to the rear surface of the main slide board 21 by the wiper function part 107 of the latching protrusion 50.

Next, when the central slide board 76 slides upward from the lowermost part, the latching protrusions 78 of the central slide board 76 come into contact with the stoppers 82 of the upper slide boards 80 located in the lower part of the two, and the upper part thereof slides upward. The slide board 80 slides upward while hiding behind the central slide board 76, and the hooking protrusions 79a of the central slide board 76 contact the stopper 85 of the lower slide board 83 located above the two of them. The lower slide board 83 is slid to follow and slide upward.

Also, when the central slide board 76 continues to slide upward, the upper slide board 80a located above the two slides upwardly in the same manner as the relationship between the central slide board 76 and the upper slide board 80. In addition, the lower slide board 83a located in the lower part of the two sheets also slides upward in the same manner.

Then, the latching protrusion 81 of the upper slide board 80a contacts the stopper 27 above the opening 25, or the latching protrusion 84a of the lower slide board 83a contacts the stopper 27a below the opening 25. The upper slide boards 80 and 80a are superposed in the upper part of the accommodating portion 26 and can be slid upward to the central slide board.
76 Hide behind the upper part and lower slide board 83, 83
The a is exposed at the opening 25 in a stepwise manner.

Next, when the central 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 with the slide of the central slide board 76. , The latching ridge 81a of the upper slide board 80a on the upper side abuts against the stopper 27 above the opening 25 to stop the upper slide board 80a, and the latching ridge 84 of the lower slide board 83a on the lower side. The lower slide board 83a stops by abuttingly engaging the stopper 27a below the opening 25.

Then, the latching projection 81a of the lower upper slide board 80 abuts on the stopper 82 of the upper slide board 80a in the stopped state to stop the upper slide board 80, and the upper lower slide board 80a. The sliding ridges 84 of 83 come into contact with the stoppers 85 of the lower slide board 83a in the stopped state to stop the lower slide board 83, and the sliding ridges 78a of the central slide board 76 stop. It is possible to slide downward until it abuts the stopper 85 of 83 or the hooking protrusion 79 of the central slide board 76 abuts 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 in the lower portion of the accommodating portion 26 and hidden behind the lower portion of the central slide board 76. .

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

Further, at the time of machining the work W with the tool of the spindle 97b, the coolant is supplied from the supply port 121 provided on the machining unit 3 side of the frame 5 so as to flow through the inside of the frame 5 and the pipe 122 above the frame 5. The coolant is jetted from the nozzle 123 to the work W via the via.

Further, in the operation of the vertical slide cover 4b of the third embodiment, the lifting ridges 160 fixedly mounted on the central slide board 159 moved upward are the third slide board 152, the second slide board 151 and the first slide board 151. The slide boards 147 are sequentially moved up to raise the vertical slide cover 4b, and the first slide board 147, the second slide board 151, and the third slide board 152 at the time of lowering descend by their own weight and the third slide board 147.
The lower end of the central slide board 159 is brought into contact with the hooking projection 158 of the slide board 152 to forcibly lower it.

[0082]

In summary, according to the present invention, the processing unit 3 is inserted between the jig base 2 for supporting the work W and the processing unit 3 for processing the work W which is movable in three axial directions of front, rear, left, right, up and down. In a machine tool provided with a vertical slide cover 4b and a horizontal slide cover 4a that slide vertically and horizontally according to the movement of the processing unit 3 to prevent coolant, chips, and the like from scattering toward the processing unit 3 side, Since the link bar 110 connected to either one of the horizontal slide cover 4a or the vertical slide cover 4b is provided, the X-axis via the bracket 109, the ring bar 110, and the bracket 113 is adjusted according to the three-dimensional operation of the processing unit 3. The slide cover 4 can be interlocked in any direction, and the slide bar 4 is slidably guided and supported by the link bar 110. Since the first slide block 115 connected to the other side of the cover 4b and the pilot bar 118 connected to the first slide block 115 and extending in the direction in which the processing unit 3 comes in contact with and separates from the jig base 2, Pilot bar 118, slide block 11
5, it is possible to interlock in the Z direction via the arm 119 and the bracket 120, and the pilot bar 118 is fixed only in the direction in which the processing unit 3 is fixed to the processing unit 3 and moves toward and away from the jig base 2. Since the second slide block 116 that slidably guides and supports is provided, the slide block 116 and the pilot bar 11 are provided in the Y direction.
Therefore, the slide cover 4 can be moved in synchronism with the processing unit 3.

Further, because of such an operation configuration, when the spindle 97b of the processing unit 3 is inserted into and removed from the tool withdrawal hole 77, the working part 97 is always held at the center of the tool withdrawal hole 77 without requiring any manual work. It is possible to improve workability by eliminating the need for matching the centers even when changing the setup, and when moving the slide cover 4, the spindle 97
Since b is not directly connected, an unnecessary load is not applied to the spindle 97b, and it is possible to eliminate a bad influence on the machining accuracy.

Further, the processing unit 3 is inserted between the jig base 2 for supporting the work W and the processing unit 3 for processing the work W, which is movable in the front-back, left-right and up-down three-axis directions. Depending on the type, the coolant, chips, etc. can be slid vertically and horizontally to remove the machining unit 3
In the machine tool equipped with the vertical slide cover 4b and the horizontal slide cover 4a that prevent the scattering to the side,
The guide shaft 103 is inserted into the slide bearing 102 fixed to 97, and the tip of the guide shaft 103 is connected to the center slide board 76 of the horizontal slide cover 4a or the vertical slide cover 4b. Since the connecting bodies 101, 101a are provided between the covers 4a, 4b, the same effects as described above can be obtained with a simple structure, which is a great practical effect.

[Brief description of drawings]

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

FIG. 2 is a rear view of the same.

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

FIG. 4 is a front view of a 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 of 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 of 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 a 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 central 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 sandwich plate.

FIG. 26 is a bottom view of the above.

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-part lateral cross-sectional view showing a state where the main slide board is in contact with the contact projection of the sub slide board.

FIG. 32 is an enlarged cross-sectional view of an essential part showing a state in which the hooking projection of the main slide board is projected and locked to the hooking projection of the sub slide board.

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

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

FIG. 35 is a horizontal cross-sectional view of the main parts of the accommodating part.

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

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 the machine tool slide cover removed.

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

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

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

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

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

44 is a vertical sectional view of FIG. 42.

FIG. 45 is a cross-sectional view of essential parts 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 the central slide board.

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

[Explanation of symbols]

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

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tadashi Sugiyama 50 Matsumoto, Takaoka Shinmachi, Toyota City, Aichi Prefecture Nakano Itaganai

Claims (2)

[Claims] 1. A machining unit is inserted between a jig base that supports a work and a machining unit that is movable in the three axial directions, that is, front, rear, left, and right, and up and down, in accordance with the movement of the machining unit. In a machine tool equipped with a vertical slide cover and a horizontal slide cover that slides to the left and right to prevent coolant and chips from splashing to the processing unit side, connect to either the horizontal slide cover or the vertical slide cover. Link bar, a first slide block slidably guided and supported by the link bar and connected to the other of the horizontal slide cover or the vertical slide cover, and a jig base connected to the first slide block. On the other hand, a pilot bar that extends in the direction in which the machining unit moves toward and away from the machining unit, and a machining unit fixed to the machining unit. And a second slide block that slidably guides and supports the pilot bar only in a direction in which the set comes in and out of contact with the jig base. mechanism. 2. A machining unit is inserted between a jig base that supports a work and a machining unit that is movable in the three axial directions, that is, front, rear, left, and right, and up and down, in accordance with the movement of the machining unit. A machine tool equipped with a vertical slide cover and horizontal slide cover that slides to the left and right to prevent coolant and chips from splashing to the processing unit side. Machine tool equipped with a slide cover characterized in that the tip of the guide shaft is connected to the central slide board of the horizontal slide cover or the vertical slide cover, and a connecting body is provided between the left and right slide tables and the slide cover. Interlocking mechanism in.