CN211759835U

CN211759835U - Fixed inclined workbench machining center

Info

Publication number: CN211759835U
Application number: CN202020040607.3U
Authority: CN
Inventors: 杨秉健
Original assignee: Huigao Intelligent Control Beijing Technology Co ltd
Current assignee: Huigao Intelligent Control Beijing Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-27
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses fixed tilting workstation machining center relates to a machining center for processing large-scale work piece. Its purpose is in order to provide a fixed tilting workstation machining center that machining precision is high, efficient. The utility model discloses fixed tilting workstation machining center has contained angle theta including the fixed slope workstation that the slope set up between fixed slope workstation and the horizontal datum plane, and 95 is less than or equal to theta and is less than or equal to 135. Grid threaded holes are processed on the fixed inclined workbench. The front part of the fixed tilting workbench is provided with a servo guide system, the servo guide system comprises an upper X-axis feeding servo driving unit, a lower X-axis feeding servo driving unit, a Y-axis feeding servo driving unit and a Z-axis feeding servo driving unit, the upper X-axis feeding servo driving unit and the lower X-axis feeding servo driving unit are arranged on a boss of the fixed tilting workbench, the Y-axis feeding servo driving unit is arranged between the two X-axis feeding servo driving units, and the Z-axis feeding servo driving unit is provided with a main shaft processing unit.

Description

Fixed inclined workbench machining center

Technical Field

The utility model relates to the technical field of machining, especially, relate to a fixed tilting workstation machining center.

Background

Due to the volume and weight of the medium and large plates, the processing of the plates can be generally only carried out in large plants. The area of the medium-large plate is usually about 1000mm multiplied by 3200mm, and the thickness is 0.5-30 mm. When a plurality of plates are stacked, the plates are more in a horizontal form and are easy to deform. When a medium-large plate is machined, the machining of the single plate requires a large working table, the machining of hole-making tapping and milling of the groove milling machine edge milling face are mainly performed, the torque of a machining main shaft is not large, and the machining depth of a Z axis is shallow. The numerical control mechanical main shaft can meet the requirements of processing different thicknesses and efficiencies; for batch and precise position processing, manual processing cannot meet the requirements of quality and efficiency.

The common medium-large plates adopt the processing scheme of a gantry numerical control center and a numerical control horizontal boring and milling machine. The gantry numerical control center is used for a machine tool for designing medium and large parts, and a worktable of the gantry numerical control center is horizontally arranged. The driving, feeding and main screwing of the machine tool consume huge power, the occupied area is large, the number of positioning points and clamping points for installing the plate is small, and the processing point is near the table top. The gantry numerical control center has the defects of large main shaft cantilever, poor machining rigidity, unsmooth chip removal, long cleaning time, high energy consumption, low equipment utilization rate, high machining cost and the like.

A numerical control horizontal boring and milling machine is a machine tool for designing medium and large parts. The workbench of the numerical control horizontal boring and milling machine is vertically arranged, and workpieces are difficult to move up and down. The machine tool has huge power consumption for driving, feeding and main rotation, and larger floor area. The upper plate and the lower plate of the numerical control horizontal boring and milling machine are vertically placed, the gravity center is unstable, the compactness of the plates and positioning points is poor, the upper clamping and pressing positioning points and the lower clamping and pressing positioning points are few, and the machining precision and the machining quality are affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fixed tilting workstation machining center that machining precision is high, efficient.

The utility model discloses a fixed tilting workstation machining center, including the fixed tilting workstation that the slope set up, there is contained angle theta between fixed tilting workstation and the horizontal datum plane, theta is more than or equal to 95 ≤ 135 °, and processing has a plurality of positions that are used for installing the work piece fixture on the fixed tilting workstation, and the upper and lower part of fixed tilting workstation respectively is provided with a section of boss that stretches out forward, and the front portion of boss is installed servo guidance system, servo guidance system includes upper X axle feed servo drive unit, lower X axle feed servo drive unit, Y axle feed servo drive unit and Z axle feed servo drive unit, upper X axle feed servo drive unit and lower X axle feed servo drive unit install respectively on the boss of fixed tilting workstation upper portion and lower part, and upper X axle feed servo drive unit and lower X axle feed servo drive unit synchronous work, the Y-axis feeding servo driving unit is arranged between the two X-axis feeding servo driving units, the Z-axis feeding servo driving unit is provided with a main shaft machining unit, and the main shaft machining unit is provided with a cutter for cutting machining.

The utility model discloses fixed tilting workstation machining center wherein still includes the machine tool base, install a plurality of stands or the integration support post that have the inclined plane on the machine tool base, fixed tilting workstation passes through the bolt fastening on the stand inclined plane.

The utility model discloses fixed tilting workstation machining center, wherein processing has a plurality of lightening hole or frame construction on the stand.

The utility model discloses fixed tilting workstation machining center, wherein machine tool base below is fixed subaerial or is installed subaerial through the shock attenuation lower margin through rag bolt and adjustment parallels.

The utility model discloses fixed tilting workstation machining center, wherein the installation basal plane of a straight line multistation tool magazine is installed to the both sides of fixed tilting workstation.

The utility model discloses fixed tilting workstation machining center, wherein it is vice with the last guide rail including parallel mount at the last lead screw of fixed tilting workstation upper portion boss to go up the X axle feed servo drive unit, and movable mounting has the top nut on going up the lead screw, and the top nut passes through the connecting piece to be connected with the top shoe, and top shoe movable mounting is on last guide rail, the X axle feeds servo drive unit and last X axle down and feeds servo drive unit's structure the same, lower sliding plate among the X axle feed servo drive unit can carry out synchronous motion with the top shoe down.

The utility model discloses fixed tilting workstation machining center, wherein the Y axle feeds servo drive unit and includes the crossbeam, and the upper and lower both ends of crossbeam are connected with top slide and lower slide respectively, have first lead screw and first guide rail along vertical fixed mounting on the crossbeam, and movable mounting has first nut on the first lead screw, and first nut passes through the connecting piece to be connected with first slide, and first slide movable mounting is on first guide rail.

The utility model discloses fixed tilting workstation machining center, wherein Z axle feeds servo drive unit and includes the second slide, and second slide movable mounting passes through the connecting piece and is connected with the second nut on the second guide rail, and second nut movable mounting is on the second lead screw, and second lead screw and second guide rail are installed on first slide.

The utility model discloses fixed tilting workstation machining center, wherein the position is for distributing even grid screw hole or violently indulging crisscross T type groove, workstation side all has the location work piece below with to be used for location work piece and cutter position.

The utility model discloses fixed tilting workstation machining center wherein still includes the chip removal system, and the chip removal system is provided with the protection and retrieves the cover including processing the bits hole that falls on fixed slope workstation boss, the bits hole outside that falls on the boss of fixed slope workstation lower part, and the bits hole below that falls is provided with the chip cleaner, and the one end of chip cleaner is provided with long-pending bits bucket.

The utility model discloses fixed tilting workstation machining center lies in with prior art difference, the utility model discloses fixed tilting workstation machining center's workstation slope is installed on the stand, forms contained angle theta with ground, and 95 theta is less than or equal to 135, can stabilize the focus of panel like this, paste the strong supporting point and utilize the quick location chucking of the effect realization work piece of gravity, improve the utilization ratio in machining precision and production place. When the center of gravity of the plate workpiece is mounted on the upright post, the load of the workbench can be reduced, and the workpiece with a larger plate surface can be conveniently processed. A cutter for being directed at fixed work piece processing of inclining on the workstation is installed on servo guidance system, and servo guidance system can carry out the feeding action of triaxial direction, and wherein X axle and Y axle direction feeding system constitute H type structure, adopts two side drives to the crossbeam, is favorable to improving the rigidity and the precision of long-span crossbeam, and H type structure is favorable to realizing the light power processing of big work piece simultaneously, further improves production efficiency.

And in the process of machining the workpiece, a cooling system and a chip removal system are started simultaneously. The utility model discloses a cooling device of low temperature high pressure aerial fog can ensure the operational environment and the roughness of surface and the life of cutter. The high-pressure gas fog simultaneously reduces the temperature of the surface of the workpiece and reduces the thermal deformation. The high-pressure aerial fog is volatilized due to the environmental temperature and the processing high temperature, and no cooling liquid is left. The chip removal system collects the chips below the fixed inclined workbench by using the gravity of the chips, the treatment process is simple, and the chips are thoroughly cleaned.

The fixed inclined workbench machining center of the present invention will be further explained with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a fixed inclined workbench machining center of the present invention;

FIG. 2 is a left side view of the fixed tilting table machining center of the present invention;

FIG. 3 is a schematic structural view of a servo guidance system in a fixed tilting table machining center according to the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a side view of a fixed tilting table in the fixed tilting table machining center of the present invention;

the notation in the figures means: 1-adjusting a sizing block; 2-a machine tool base; 3-fixing the inclined workbench; 4-upright post; 5-chip falling holes; 6-servo guidance system; 7-a spindle machining unit; 8-chip removal device; 9-scrap collecting barrel; 10-protective recovery cover; 11-a lower guide rail; 12-upper guide rail; 13-upper screw rod; 14-upper sliding plate; 15-upper servo motor; 16-a first lead screw; 17-a cross beam; 18-a first sled; 19-a second servomotor; 20-a first servo motor; 21-a first guide rail; 22-lower slide plate; 23-lower screw rod; 24-a second sled; 25-a second lead screw; 26-a second guide rail; 31-grid screw holes.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the utility model discloses fixed tilting workstation machining center includes machine tool base 2, installs a plurality of stands 4 that have the inclined plane on machine tool base 2, and the cross-section is the stand 4 of A type, and the cross-section of stand 4 is the A type in this embodiment, and quantity is two. In other embodiments of the present invention, the stand 4 may also be an integrated supporting stand. A plurality of lightening holes or frame structures are processed on the upright post 4, so that the overall weight is reduced on the premise of ensuring the stability of the equipment. The bottom of the upright column 4 is fixedly connected with the machine tool base 2 through bolts. The lower part of the machine tool base 2 is fixed on the ground through foundation bolts and an adjusting sizing block 1. The adjusting sizing blocks 1 are uniformly distributed below the machine tool base 2 and used for adjusting the horizontal reference. The utility model discloses in other embodiments, 2 below can also be installed on the bottom surface through the shock attenuation lower margin machine tool base.

As shown in fig. 2, a fixed tilting table 3 is installed at one side of the inclined surface of the column 4. The fixed inclined workbench 3 is in contact with the side surface of the upright post 4 and is fixedly connected with the upright post through bolts. Because the side surface of the upright post 4 is an inclined surface, as shown in fig. 5, an included angle theta is formed between the fixed inclined worktable 3 and the horizontal reference surface, and the included angle theta is more than or equal to 95 degrees and less than or equal to 135 degrees. The width of the table top of the fixed inclined workbench 3 is 800-2000 mm, and the length is 1000-4000 mm. In the present embodiment, the fixed tilting table 3 has a width of 1500mm and a length of 2500mm, and θ is 115 °. The workstation slope sets up the focus that can stabilize panel, pastes the tight strong point and fix a position the chucking fast, improves the utilization ratio in machining precision and production place. In other embodiments of the present application, the included angle θ may be 95 °, 135 ° or any angle therebetween.

A plurality of point positions used for installing workpiece clamps are processed on the table top of the fixed inclined workbench 3, the point positions are grid threaded holes 31 which are uniformly distributed or T-shaped grooves which are staggered transversely and longitudinally, and clamping pressure points of the clamps can be conveniently arranged according to the size and the shape of a workpiece through the grid threaded holes 31 which are uniformly distributed. In other embodiments of the present invention, the point location may also be a T-shaped groove staggered horizontally and vertically, and a T-shaped bolt and a clamping and pressing plate are used to fix the workpiece. The side and bottom surfaces of the fixed inclined worktable 3 are provided with positioning workpieces for positioning a reference surface sample and a cutter. The two sides of the fixed inclined workbench 3 can be provided with an installation base surface of a linear multi-station tool magazine or other tool magazines, so that the function of a machining center for automatically changing tools is realized. The upper part and the lower part of the fixed inclined workbench 3 are respectively provided with a section of lug boss extending forwards, and a scrap falling hole 5 for leaking scraps is processed on the lug boss.

The front part of the boss is provided with a servo guide system 6. The servo guidance system 6 can adjust the movement in three axial directions including the X axis in the front-back direction of the horizontal plane, the Z axis in the left-right direction of the horizontal plane, and the Y axis in the up-down direction in the vertical plane.

As shown in fig. 3, the servo steering system 6 includes an upper X-axis feed servo drive unit, a lower X-axis feed servo drive unit, a Y-axis feed servo drive unit, and a Z-axis feed servo drive unit. The upper X-axis feeding servo driving unit comprises an upper screw rod pair and an upper guide rail pair, and the upper screw rod 13 is fixedly arranged on a boss at the upper part of the fixed inclined workbench 3 through a screw rod supporting piece. An upper nut is movably mounted on the upper screw rod 13, a belt wheel is mounted on the outer side of the upper nut, and the upper nut can synchronously rotate with the belt wheel on the outer side of the upper nut. The belt wheel on the outer side of the upper nut and the belt wheel arranged at the output end of the upper servo motor 15 rotate together through the conveyor belt. The upper servo motor 15 powers the upper X-axis feed servo drive unit. The upper servo motor 15 drives the upper nut to rotate through the belt wheel when working. The upper nut is connected with the upper sliding plate 14 through a connecting piece, and when the upper nut is driven by the upper servo motor 15 to rotate, the upper sliding plate 14 can move along the X-axis direction. The upper sliding plate 14 is provided with a sliding groove which is movably arranged on an upper guide rail 12, and the upper guide rail 12 is arranged on a boss at the upper part of the fixed inclined workbench 3 and is parallel to the upper screw 13.

The lower X-axis feeding servo driving unit is arranged on a boss at the lower part of the fixed inclined workbench 3, has the same structure as the upper X-axis feeding servo driving unit, and comprises a lower lead screw 23, a lower nut, a lower servo motor, a lower sliding plate 14 and a lower guide rail 11. The lower X-axis feeding servo drive unit and the upper X-axis feeding servo drive unit work synchronously, and the upper slide 14 and the lower slide 22 can move synchronously under the driving of the upper servo motor 15 and the lower servo motor.

The Y-axis feeding servo driving unit is installed between the two X-axis feeding servo driving units. The Y-axis feeding servo driving unit comprises a cross beam 17, and the upper end and the lower end of the cross beam 17 are respectively connected with the upper sliding plate 14 and the lower sliding plate 22. The first lead screw 16 and the first guide rail 21 which are arranged in parallel are fixedly arranged on the cross beam 17 along the longitudinal direction. A first nut is movably mounted on the first lead screw 16 and is connected with the first sliding plate 18 through a connecting piece. The first slide 18 is movably mounted on a first rail 21. The power for the rotation of the first nut is provided by a first servomotor 20. When the first servo motor 20 is operated, the first slide plate 18 can be driven to move along the Y-axis direction.

As shown in fig. 4, the Z-axis feed servo drive unit includes a second slide plate 24. The second slide 24 is movably mounted on a second rail 26. The second slide plate 24 is connected to a second nut via a connecting member, the second nut being movably mounted on a second lead screw 25. The power for the rotation of the second nut is provided by a second servomotor 19. A second guide rail 26 and a second lead screw 25, which are arranged in parallel, are mounted on the first slide 18. When the second servo motor 19 is operated, the second slide plate 24 can be driven to move along the Z-axis direction. The spindle machining unit 7 is fixedly mounted on the second slide plate 24. The spindle machining unit 7 is provided with a tool for machining a workpiece.

The feeding servo driving units in the X-axis direction and the Y-axis direction in the servo guide system 6 form an H-shaped structure together, the H-shaped layout can enable the X-axis structure and the Y-axis structure to be light and strong in rigidity, and the processing range of medium-large plates can be covered. The structure adopts bilateral drive to the beam 17, and can ensure synchronous feeding of a machine tool and high rigidity of the beam 17 on the inclined beam 17 with large span.

The utility model discloses fixed tilting workstation machining center still includes the chip removal system, and the chip removal system is used for collecting the smear metal that produces after processing on the fixed tilting workstation 3. The chip removal system comprises a chip removal hole 5 machined in the boss of the fixed inclined workbench 3. A protective recovery cover 10 is arranged outside the chip falling hole 5 on the lower boss of the fixed inclined workbench 3. The protective recovery cover 10 is arranged on the boss, and the range of the protective recovery cover 10 is larger than that of the chip-removing hole 5, so that chips generated after the spindle machining unit 7 is machined can be completely recovered.

A chip cleaner 8 is arranged below the chip falling hole 5, and a lifting chip cleaner is selected as the chip cleaner 8 in the embodiment. A chip accumulation chain type cabin is arranged in the chip cleaner 8, and a chip accumulation barrel 9 is arranged at the opening end of the chip accumulation chain type cabin. The chips fall into the chip cleaner 8 and then enter the chip accumulation barrel 9 to wait for further processing.

The utility model discloses fixed tilting workstation machining center still includes cooling system, and cooling system adopts the cooling device of low temperature high pressure aerial fog, cools off cutter and work piece.

The utility model discloses fixed tilting workstation machining center is at the during operation, at first supports through adjustment parallels 1 or shock attenuation and fixes fixed tilting workstation 3 subaerial. Firstly, a workpiece to be processed is installed on the fixed inclined workbench 3 through a positioning workpiece. The grid threaded holes 31 and the clamping and pressing plates are fixed, and then the cutter on the spindle machining unit 7 is moved in the three-axis direction under the control of the upper servo motor, the lower servo motor, the first servo motor 20 and the second servo motor 19, so that a workpiece to be machined is machined. The smear metal that produces during add is because the action of gravity, along the inclined plane of fixed slope workstation 3 or directly fall into the chip hole 5 and the chip cleaner 8 that fall of fixed slope workstation 3 below boss, and the rethread chip cleaner 8 transports the smear metal to long-pending bits bucket 9, finally falls the smear metal processing.

The utility model discloses fixed tilting workstation machining center's fixed slope workstation slope is installed on the stand, forms the contained angle with ground, can stabilize the focus of panel like this, paste the solid strong point and fix a position the chucking fast, improves the utilization ratio in machining precision and production place. A cutter for being directed at fixed work piece processing of inclining on the workstation is installed on servo guidance system, and servo guidance system can carry out the feeding action of triaxial direction, and wherein X axle and Y axle direction feeding system constitute H type structure, adopts two side drives to the crossbeam, is favorable to improving the rigidity and the precision of long-span crossbeam, and H type structure is favorable to realizing the light power processing of big work piece simultaneously, further improves production efficiency.

And in the process of machining the workpiece, a cooling system and a chip removal system are started simultaneously. The utility model discloses a cooling device of low temperature high pressure aerial fog can ensure the operational environment and the roughness of surface and the life of cutter. The high-pressure gas fog simultaneously reduces the temperature of the surface of the workpiece and reduces the thermal deformation. The high-pressure aerial fog is volatilized due to the environmental temperature and the processing high temperature, and no cooling liquid is left. The chip removal system collects the chips below the fixed inclined workbench by using the gravity of the chips and removes the chips out of the machine tool through the chip remover. The treatment process is simple and the cleaning is thorough.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a fixed tilting workstation machining center which characterized in that: the automatic feeding device comprises a fixed inclined workbench which is obliquely arranged, an included angle theta is formed between the fixed inclined workbench and a horizontal reference surface, theta is more than or equal to 95 degrees and less than or equal to 135 degrees, a plurality of point positions for installing workpiece clamps are processed on the fixed inclined workbench, the upper part and the lower part of the fixed inclined workbench are respectively provided with a section of boss which extends forwards, the front part of the boss is provided with a servo guide system, the servo guide system comprises an upper X-axis feeding servo drive unit, a lower X-axis feeding servo drive unit, a Y-axis feeding servo drive unit and a Z-axis feeding servo drive unit, the upper X-axis feeding servo drive unit and the lower X-axis feeding servo drive unit are respectively arranged on the bosses at the upper part and the lower part of the fixed inclined workbench, the upper X-axis feeding servo drive unit and the lower X-axis feeding servo drive unit work synchronously, the Y-axis feeding servo drive unit is arranged between the, and a main shaft machining unit is arranged on the Z-axis feeding servo driving unit, and a cutter is arranged on the main shaft machining unit and used for cutting machining.

2. The fixed inclined table machining center of claim 1, wherein: still include the lathe base, install a plurality of stands or the integration support post that have the inclined plane on the lathe base, fixed slope workstation passes through the bolt fastening on the stand inclined plane.

3. The fixed inclined table machining center of claim 2, wherein: and a plurality of lightening holes or frame structures are processed on the upright posts.

4. The fixed inclined table machining center of claim 2 or 3, wherein: the lower part of the machine tool base is fixed on the ground through anchor bolts and adjusting sizing blocks or is arranged on the ground through damping anchor feet.

5. The fixed inclined table machining center of claim 1, wherein: and the two sides of the fixed inclined workbench are provided with installation base surfaces of the in-line multi-station tool magazine.

6. The fixed inclined table machining center of claim 1, wherein: go up the X axle and feed servo drive unit and include that parallel mount is vice and the upper guide rail is vice on the boss of fixed slope workstation upper portion, and movable mounting has the upper nut on the upper screw, and the upper nut passes through the connecting piece to be connected with the top shoe, and top shoe movable mounting is on the upper guide rail, X axle feeds servo drive unit and last X axle down and feeds servo drive unit's structure the same, lower slide among the servo drive unit is fed to the X axle down can carry out synchronous motion with the top shoe.

7. The fixed inclined table machining center of claim 6, wherein: the Y-axis feeding servo driving unit comprises a cross beam, the upper end and the lower end of the cross beam are respectively connected with an upper sliding plate and a lower sliding plate, a first lead screw and a first guide rail are longitudinally and fixedly mounted on the cross beam, a first nut is movably mounted on the first lead screw and connected with the first sliding plate through a connecting piece, and the first sliding plate is movably mounted on the first guide rail.

8. The fixed inclined table machining center of claim 7 wherein: the Z-axis feeding servo driving unit comprises a second sliding plate, the second sliding plate is movably mounted on a second guide rail and is connected with a second nut through a connecting piece, the second nut is movably mounted on a second lead screw, and the second lead screw and the second guide rail are mounted on a first sliding plate.

9. The fixed inclined table machining center of claim 1, wherein: the point location is the grid screw hole or the crisscross T type groove of violently indulging that distribute evenly, and workstation side and below all have the location work piece to be used for location work piece and cutter position.

10. The fixed inclined table machining center of claim 1, wherein: the scrap discharging device is characterized by further comprising a scrap discharging system, the scrap discharging system comprises scrap falling holes machined in bosses of the fixed inclined workbench, protective recovery covers are arranged outside the scrap falling holes in the bosses of the lower portion of the fixed inclined workbench, scrap dischargers are arranged below the scrap falling holes, and a scrap collecting barrel is arranged at one end of each scrap discharger.