CN108818012B - Numerical control machining center - Google Patents
Numerical control machining center Download PDFInfo
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- CN108818012B CN108818012B CN201811009244.0A CN201811009244A CN108818012B CN 108818012 B CN108818012 B CN 108818012B CN 201811009244 A CN201811009244 A CN 201811009244A CN 108818012 B CN108818012 B CN 108818012B
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- 238000003754 machining Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 11
- 238000003801 milling Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/64—Movable or adjustable work or tool supports characterised by the purpose of the movement
- B23Q1/66—Worktables interchangeably movable into operating positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
Abstract
The invention discloses a numerical control machining center, which aims to provide a numerical control machining center with the advantages of being capable of clamping a next batch of parts while machining the parts, reducing the time of clamping and improving the overall machining efficiency.
Description
Technical Field
The invention relates to the field of precision machining equipment for parts, in particular to a numerical control machining center.
Background
Machining centers have evolved from numerically controlled milling machines. The greatest difference with the numerical control milling machine is that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through an automatic tool changing device in one clamping process by installing tools with different purposes on the tool magazine, so that multiple machining functions are realized.
The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of the numerical control machine tools with highest yield and most wide application in the world at present. After the machined part is clamped once, the numerical control system can control the machine tool to automatically select and replace the cutter according to different working procedures;
the rotating speed and the feeding amount of a main shaft of a machine tool, the movement track of a cutter relative to a workpiece and other auxiliary functions are automatically changed, and the machining surfaces of the workpiece are continuously and automatically subjected to multi-working procedures such as drilling, reaming, boring, tapping, milling and the like. The processing center can intensively and automatically complete various working procedures, so that the manual operation errors are avoided, the adjustment time of workpiece clamping, measuring and machine tools and the turnover, carrying and storage time of the workpieces are reduced, the processing efficiency and the processing precision are greatly improved, and the processing center has good economic benefits. The machining center can be divided into a vertical machining center and a horizontal machining center according to the position of the main shaft in space.
The device has strong comprehensive processing capability, can finish more processing contents after one-time clamping of workpieces, has higher processing precision, is suitable for batch workpieces with medium processing difficulty, has the efficiency which is 5-10 times that of common equipment, can finish processing which cannot be finished by a plurality of common equipment, and is more suitable for single-piece processing or small-medium batch production with complex shape and high precision requirement.
The milling, boring, drilling, tapping, thread cutting and other functions are concentrated on one piece of equipment, so that the milling, boring, drilling, thread cutting and other functions are realized by multiple technological means. The processing center classifies according to the space position of the main shaft during processing: horizontal and vertical machining centers. The method is classified according to the technical purposes: boring and milling machining center, compound machining center. The method is classified according to the special functions: a single table, a dual table and a multi-table machining center. Machining centers with single-axis, double-axis, three-axis and replaceable spindle boxes, etc.
The method comprises the steps of dividing the motion coordinate number of a machining center and the coordinate number controlled simultaneously: there are three-axis two-linkage, three-axis three-linkage, four-axis three-linkage, five-axis four-linkage, six-axis five-linkage, etc. The three-axis and four-axis are the motion coordinate numbers of the machining center, and the linkage is the coordinate numbers of the motion which can be controlled by the control system at the same time, so that the position and speed of the cutter relative to the workpiece are controlled.
At present, chinese patent with publication number CN207668985U discloses a numerical control machining center, which comprises a base, the upper end of base is provided with machining center, machining center is including setting up the Y axle linear guide on the base, one side of the nearly backplate of Y axle linear guide is provided with the sealed cowling, is provided with Y axle servo motor in the sealed cowling, the X axle slider that sets up on Y axle linear guide, be provided with X axle linear guide on the X axle slider, X axle linear guide department is provided with X axle servo motor be provided with the stand on the backplate, Z axle linear guide is provided with Z axle slider on Z axle linear guide, is provided with processing machines and Z axle servo motor on the Z axle slider, Z axle linear guide's bottom is provided with the Z axle stopper.
The numerical control machining center is provided with the main cover in the machining area so as to prevent metal dust pollution. Meanwhile, intelligent control is adopted, the machining efficiency is high, but in the actual production process, a lot of time is spent on clamping the parts before machining, the machining center can only stand by in the clamping process, and the overall machining efficiency is low.
Disclosure of Invention
The invention aims to provide a numerical control machining center which has the advantages of being capable of clamping a next batch of parts while machining the parts, reducing the time of clamping and improving the overall machining efficiency.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a numerical control machining center, include the base and encircle the shell of locating on the base, form the processing chamber between shell and the base, be equipped with processing platform and cutter cassette in the processing chamber, it is connected with the division gate to slide in the processing chamber, the division gate divide into inner chamber and outer chamber with the processing chamber, cutter cassette is arranged in the inner chamber, the processing platform is including the pre-installation platform that is arranged in the outer chamber and the workstation that is arranged in the inner chamber, be equipped with the holding tank that is used for connecting pre-installation platform and workstation on the base, pre-installation platform and workstation all slide and connect in the holding tank, be equipped with the slide rail that is used for restricting pre-installation platform, workstation slide track in the holding tank, the slide rail is the rectangle setting, still be equipped with in the base and be used for driving pre-installation platform and workstation along slide rail shape drive mechanism that slides.
By adopting the technical scheme, when an operator needs to install the part on the processing table for processing, the preassembling table with the installed part can be moved to the position of the workbench through the sliding rail, so that the preassembled part is positioned in the inner cavity for processing; while processing in the inner chamber, the operating personnel can preassemble the parts on the workbench in the outer chamber, so that the parts in the outer chamber can be directly slipped into the inner chamber for processing after the parts in the inner chamber are processed.
Therefore, the disassembly of the previous batch of parts and the preassembling of the next batch of parts can be performed while the parts are processed, so that the time required by clamping is shortened, the two working procedures are performed together, the overall processing efficiency of the parts is improved, and the time wasted in the part processing working procedures is reduced.
Further set up: the driving mechanism comprises sliding blocks fixed at two ends of the workbench and the preassembling table, the sliding blocks are embedded in the sliding rails and can slide in the sliding rails, a rotating rod is rotationally connected at the midpoint position of the sliding rails, and the tail end of the rotating rod is connected with a linkage rod for driving the sliding blocks to move in a sliding manner.
Further set up: the driving spring is sleeved on the linkage rod, one end of the driving spring is fixed at the connecting end of the linkage rod and the sliding block, the other end of the driving spring is fixed at the tail end of the rotating rod, and the sliding distance of the linkage rod in the tail end of the rotating rod is greater than half of the long edge of the sliding rail.
Through adopting above-mentioned technical scheme, when the operating personnel drive bull stick is rotatory, the terminal trace of bull stick slides, promotes the slider and slides along the slide rail that holds, and drive spring can keep the promotion process of trace, also can connect trace and bull stick to realize the change of pre-installation platform and workstation.
Further set up: the linkage rod and the driving spring are symmetrically provided with two groups on the rotating rod and are respectively connected with the pre-loading table and the sliding block on the workbench.
Through adopting above-mentioned technical scheme, trace and drive spring set up two sets of can drive pre-installation platform and workstation simultaneously and slide, keep pre-installation platform and workstation's synchronization.
Further set up: the holding groove is also internally provided with a bearing plate for bearing the preassembling table and the workbench, and the bearing plate is rotationally connected in the holding groove and is pushed to rotate by a bearing pushing piece arranged in the holding groove.
Further set up: the bearing pushing piece comprises a pushing oil cylinder which is perpendicular to the horizontal plane and fixed in the accommodating groove, a push rod is hinged to an output shaft of the pushing oil cylinder, a connecting end of the push rod and the pushing oil cylinder is connected in the accommodating groove in a sliding mode, and the other end of the push rod is hinged to the bottom surface of the bearing plate.
Through adopting above-mentioned technical scheme, promote the output shaft activity of hydro-cylinder, drive push rod and loading board rotation, rotate the loading board to the bottom surface of pre-installation platform and workstation to realize the support to pre-installation platform and workstation.
Further set up: the isolation door comprises a left door plate and a right door plate which are symmetrically arranged, the left door plate and the right door plate are folding doors, and the isolation door is opened and closed by pushing a starting cylinder fixed on the top wall of the inner cavity, and through grooves for accommodating the processing table are formed in the bottoms of the left door plate and the right door plate.
By adopting the technical scheme, the left door plate and the right door plate are opened through the starting cylinder; when the part machining process is carried out, the starting cylinder drives the left door plate and the right door plate to be closed, and the through groove is arranged to accommodate the workbench
Further set up: the two sides of the base, which are positioned on the workbench, are obliquely provided with a sewage draining groove which is communicated with the outside, and a rotating mechanism for driving the cutter clamping seat to rotate is also arranged in the processing cavity.
By adopting the technical scheme, the blowdown tank can facilitate the numerical control machining center to discharge scraps after machining, the rotating mechanism can facilitate the replacement of the cutter, and the alignment efficiency and the overall machining efficiency of the cutter are improved.
In summary, the invention has the following beneficial effects:
the disassembly of the previous batch of parts and the preassembling of the next batch of parts can be performed while the parts are processed, so that the time required by clamping is shortened, the two working procedures are performed together, the overall processing efficiency of the parts is improved, and the time wasted in the part processing working procedures is reduced.
Drawings
FIG. 1 is a structural view of embodiment 1;
FIG. 2 is a schematic view for showing a processing table in example 1;
FIG. 3 is a schematic view for showing a steering mechanism in embodiment 1;
FIG. 4 is a schematic view for showing a processing table in example 2;
fig. 5 is a schematic diagram for a display driving mechanism in embodiment 2;
FIG. 6 is a schematic diagram for showing a load bearing pusher in example 2;
FIG. 7 is a schematic view for showing a fixed angle rotation mechanism in embodiment 3;
FIG. 8 is a schematic view for showing a holding mechanism in embodiment 4;
fig. 9 is a schematic view for showing a fixing member in embodiment 5.
In the figure, 1, a base; 11. a housing; 12. a processing chamber; 121. an inner cavity; 122. an outer cavity; 13. a cutter clamping seat; 14. an isolation door; 141. a left door panel; 142. a right door panel; 143. starting a cylinder; 144. a through groove; 15. a support block; 16. a sewage draining groove; 17. a receiving groove; 171. a slide rail; 2. a processing table; 21. preassembling a table; 22. a work table; 23. a clamping groove; 24. a slideway; 3. a steering mechanism; 31. a middle rotating shaft; 32. a steering member; 321. a driven plate; 322. a driving disk; 323. a motor reducer; 324. a driven plate; 325. a driven rod; 326. a vertical rod; 327. a limit clamping groove; 328. a steering groove; 33. a driving shaft; 34. a driven shaft; 35. a driving worm wheel; 36. a driving worm; 37. bevel gears; 4. a driving mechanism; 41. a slide block; 42. a rotating rod; 43. a linkage rod; 44. a drive spring; 45. a carrying plate; 5. carrying the pushing member; 51. pushing the oil cylinder; 52. a push rod; 6. a slider; 61. a sliding rod; 62. a fixed angle rotating mechanism; 621. a driving turntable; 622. a driven turntable; 623. a micro motor; 624. a rotating lever; 625. an eccentric rod; 626. an intermediate lever; 627. a pushing block; 63. a rotation shaft; 64. a baffle; 65. a pushing spring; 66. a fastener; 661. fastening a gear; 662. fastening a rack; 663. fastening a cylinder; 7. a clamping mechanism; 71. a clamping plate; 72. a clamping groove; 73. a rotating plate; 74. a cylindrical clamping member; 741. a clamping piece; 742. a pinch roller; 75. a common clamping member; 76. a clamping rod; 77. clamping the driving member; 771. clamping a hydraulic cylinder; 772. clamping the motor; 773. clamping a lead screw; 774. a first thread segment; 775. a second thread segment; 776. a sliding block; 78. a rotating motor; 8. a fixing member; 81. a fixing groove; 82. a fixed cylinder; 83. and a fixed block.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The technical scheme adopted by the invention is as follows:
embodiment 1, a multifunctional numerical control machining center, as shown in fig. 1, includes base 1 and around locating the shell 11 on the base 1, forms processing chamber 12 between shell 11 and the base 1, is equipped with processing platform 2 and cutter cassette 13 in the processing chamber 12, and processing chamber 12 sliding connection has isolation door 14, and isolation door 14 divides processing chamber 12 into inner chamber 121 and outer chamber 122, and cutter cassette 13 is located inner chamber 121, and processing platform 2 includes pre-installation platform 21 and workstation 22 that are located in inner chamber 121 in outer chamber 122.
As shown in fig. 1, 2 and 3, the processing chamber 12 is integrally cylindrical, the preassembling table 21 and the working table 22 are all semicircular, the bottoms of the preassembling table 21 and the working table 22 are both provided with clamping grooves 23, the base 1 is fixedly provided with a slideway 24 which is arc-shaped and is adapted to the clamping grooves 23, and two sides of the base 1, which are positioned on the working table 22, are obliquely provided to form the sewage draining groove 16. The isolation door 14 comprises a left door plate 141 and a right door plate 142 which are symmetrically arranged, the left door plate 141 and the right door plate 142 are folding doors, and the opening and closing are pushed by a starting air cylinder 143 fixed on the top wall of the inner cavity 121, and through grooves 144 for accommodating the processing table 2 are formed in the bottoms of the left door plate 141 and the right door plate 142.
As shown in fig. 1, 2 and 3, the preassembly table 21 is connected with the workbench 22 through a steering mechanism 3 rotatably connected to the middle position of the base 1, the steering mechanism 3 comprises a rotating shaft 31 rotatably connected to the base 1, both the preassembly table 21 and the workbench 22 are fixed on the rotating shaft 31, a steering member 32 for driving the rotating shaft 31 to rotate 180 ° is further arranged on the base 1, and the steering member 32 comprises a driven disc 321 for driving the rotating shaft 31 to rotate, a driving disc 322 rotatably connected to the base 1 and matched with the driven disc 321, and a motor reducer 323 for driving the driving disc 322 to rotate.
As shown in fig. 1, 2 and 3, the driven plate 321 includes two driven plates 324 which are fan-shaped and symmetrically arranged, and a driven rod 325 which is vertically arranged relative to the driven plates 324, wherein two ends of the driven rod 325 are fixed with vertical rods 326, and the vertical rods 326 are perpendicular to the plane of the driven plates 324 and the driven rods 325. The driving disc 322 is wholly circular, is equipped with the spacing draw-in groove 327 of a plurality of evenly encircling its centre of a circle on the driving disc 322 excircle, and spacing draw-in groove 327 is laminated mutually with the shape of driven piece 324, has seted up between the adjacent spacing draw-in groove 327 and has turned to the groove 328, and the degree of depth of turning to the groove 328 equals the half of driven rod 325 length, and the length of montant 326 is greater than the thickness of driven piece 324.
As shown in fig. 1, 2 and 3, bevel gears 37 meshed with each other are fixed on the output shaft of the motor reducer 323 and the driving worm 36, and a supporting block 15 for limiting the rotation angle of the processing table 2 and for carrying the processing table 2 is further arranged on the base 1. The driving disk 322 is rotatably connected to the base 1 through the driving shaft 33, the driven disk 321 is rotatably connected to the base 1 through the driven shaft 34, the driving worm wheel 35 is coaxially fixed on the driving shaft 33, and the driving worm 36 meshed with the driving worm wheel 35 is rotatably connected to the base 1.
In embodiment 2, as shown in fig. 4, 5 and 6, a numerical control machining center is different from embodiment 1 in that a receiving groove 17 for connecting a preassembling table 21 and a workbench 22 is provided on a base 1, the preassembling table 21 and the workbench 22 are slidably connected in the receiving groove 17, a sliding rail 171 for limiting sliding tracks of the preassembling table 21 and the workbench 22 is provided in the receiving groove 17, the sliding rail 171 is rectangular, and a driving mechanism 4 for driving the preassembling table 21 and the workbench 22 to slide along the shape of the sliding rail 171 is further provided in the base 1.
As shown in fig. 4, 5 and 6, the driving mechanism 4 includes a slider 41 fixed at two ends of the working table 22 and the preassembling table 21, the slider 41 is embedded in the sliding rail 171 and can slide in the sliding rail 171, a rotating rod 42 is rotatably connected at a midpoint position of the sliding rail 171, a linkage rod 43 for driving the slider 41 to move is slidably connected at the tail end of the rotating rod 42, and the tail end of the linkage rod 43 is hinged with the slider 41. The driving spring 44 is sleeved on the linkage rod 43, one end of the driving spring 44 is fixed at the connecting end of the linkage rod 43 and the sliding block 41, the other end is fixed at the tail end of the rotating rod 42, and the sliding distance of the linkage rod 43 in the tail end of the rotating rod 42 is larger than half of the long side of the sliding rail 171. The linkage rod 43 and the driving spring 44 are symmetrically arranged on the rotating rod 42 and are respectively connected with the slider 41 on the preassembling table 21 and the workbench 22.
As shown in fig. 4, 5 and 6, a loading plate 45 for loading the pre-loading table 21 and the working table 22 is further provided in the receiving groove 17, and is rotatably connected in the receiving groove 17 and is rotated by a loading pusher 5 provided in the receiving groove 17. The bearing pushing piece 5 comprises a pushing oil cylinder 51 which is fixed in the accommodating groove 17 perpendicular to the horizontal plane, a push rod 52 is hinged on an output shaft of the pushing oil cylinder 51, a connecting end of the push rod 52 and the pushing oil cylinder 51 is slidingly connected in the accommodating groove 17, and the other end of the push rod is hinged on the bottom surface of the bearing plate 45.
Embodiment 3, as shown in fig. 1 and 7, is different from embodiment 1 or 2 in that the tool holder 13 is slidingly connected in the cavity 121 perpendicular to the horizontal plane by the sliding member 6 and disposed towards one side of the processing table 2, the sliding member 6 includes a sliding rod 61 slidingly connected to the top wall of the processing chamber 12, the sliding rod 61 is further provided with a fixed angle rotating mechanism 62 for driving the tool holder 13 to rotate at a fixed angle, the tool holder 13 is rotatably connected to the end of the sliding rod 61 by the rotating shaft 63, the fixed angle rotating mechanism 62 includes a driving turntable 621 rotatably connected to the end of the sliding rod 61 and a driven turntable 622 fixed to the rotating shaft 63 and matched with the driving turntable 621, and further includes a micro motor 623 for driving the driving turntable 621 to rotate.
As shown in fig. 7, a plurality of rotating rods 624 surrounding the center of the driven turntable 622 are fixed on the edge of the driven turntable 622, the included angles and the intervals between the adjacent rotating rods 624 are the same, and the number and the positions of the rotating rods 624 are corresponding to those of the cutters on the cutter clamping seat 13. The driving turntable 621 is eccentrically provided with an eccentric rod 625, the eccentric rod 625 and the rotating rod 624 are in linkage rotation through a middle rod 626, one end of the middle rod 626 is rotationally connected to the eccentric rod 625, the other end of the middle rod 626 is fixedly provided with a push block 627 for pushing the rotating rod 624, the push block 627 is in an L-shaped arrangement, and the concave position of the push block 627 is corresponding to the rotating rod 624.
As shown in fig. 7, the rotation shaft 63 is in interference fit with the sliding rod 61, a blocking piece 64 is fixed on the sliding rod 61, a pushing spring 65 for pushing the sliding rod 627 to move towards the rotation rod 624 is arranged between the blocking piece 64 and the sliding rod 627, one end of the pushing spring 65 is fixed on the blocking piece 64, and the other end of the pushing spring is fixedly connected with the sliding rod 627. The slide rod 61 is further provided with a fastener 66 for locking the rotary shaft 63, the fastener 66 comprises a fastening gear 661 coaxially fixed on the rotary shaft 63 and a fastening rack 662 slidably connected in the slide rod 61, the fastening rack 662 is matched with the fastening gear 661, and the slide rod 61 is further provided with a fastening cylinder 663 for pushing the fastening rack 662 to slide.
Embodiment 4, a numerical control machining center, as shown in fig. 8, is different from embodiment 1 or 2 or 3 in that, the preassembling table 21 and the working table 22 are provided with clamping members for clamping the parts, the clamping mechanism 7 comprises a clamping plate 71 fixed on the machining table 2, the clamping plate 71 is provided with a plurality of clamping grooves 72 which are arranged in a whole row and are semi-cylindrical, a rotating plate 73 is rotatably connected in the clamping groove 72, one side of the rotating plate 73 is fixed with a cylindrical clamping member 74 for clamping the cylindrical parts, and the other side is fixed with a common clamping member 75 for clamping the regular-shaped parts.
As shown in fig. 8, the cylindrical clamping member 74 and the common clamping member 75 each include two clamping rods 76 that slide symmetrically on the rotating plate 73, the clamping rods 76 are slidably connected to the rotating plate 73 through sliding blocks 776, and the rotating plate 73 is further provided with a clamping driving member 77 for driving the sliding blocks 776 to slide toward or away from each other simultaneously. The clamping driving member 77 comprises a clamping motor 772 fixed on the rotating plate 73, a clamping screw rod 773 is fixed on an output shaft of the clamping motor 772, the clamping screw rod 773 penetrates through two sliding blocks 776 on the same side of the rotating plate 73 and is in threaded connection with the same, a first threaded section 774 and a second threaded section 775 with opposite threads are arranged on the clamping screw rod 773, and the two sliding blocks 776 are respectively located in the first threaded section 774 and the second threaded section 775.
As shown in fig. 8, the cylindrical clamping member 74 includes a clamping piece 741 relatively fixed at the end of the clamping rod 76, the clamping piece 741 is arc-shaped, two clamping wheels 742 symmetrically disposed about the center of the clamping piece 741 are rotatably connected to the clamping piece 741, and anti-slip grains are disposed on the clamping wheels 742. The clamping plate 71 is provided with a rotating motor 78 for driving the rotating plate 73 to rotate, the clamping plate 71 is also provided with a fixing piece 8 for locking the rotating plate 73, the fixing piece 8 comprises fixing grooves 81 formed in two side faces of the adjacent cylindrical clamping piece 74 of the rotating plate 73, a fixing air cylinder 82 is arranged in the clamping groove 72, and an output shaft of the fixing air cylinder 82 is fixedly connected with a fixing block 83 matched with the clamping groove 72.
Embodiment 5, a numerical control machining center, as shown in fig. 9, is different from embodiment 4 in that the clamping driving member 77 includes a plurality of clamping hydraulic cylinders 771 fixed on the rotating plate 73, the output shafts of the clamping hydraulic cylinders 771 are fixed on the sliding block 776, and the clamping hydraulic cylinders 771 are fixed toward the center side of the rotating plate 73.
The foregoing is a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical substance of the present invention falls within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a numerical control machining center, includes base (1) and surrounds shell (11) of locating on base (1), forms machining chamber (12) between shell (11) and base (1), is equipped with processing platform (2) and cutter cassette (13), its characterized in that in machining chamber (12): the processing chamber (12) is slidably connected with an isolation door (14), the isolation door (14) divides the processing chamber (12) into an inner cavity (121) and an outer cavity (122), a cutter clamping seat (13) is positioned in the inner cavity (121), the processing table (2) comprises a preassembling table (21) positioned in the outer cavity (122) and a workbench (22) positioned in the inner cavity (121), a containing groove (17) for connecting the preassembling table (21) and the workbench (22) is formed in the base (1), the preassembling table (21) and the workbench (22) are slidably connected in the containing groove (17), a sliding rail (171) for limiting sliding tracks of the preassembling table (21) and the workbench (22) is arranged in the containing groove (17), the sliding rail (171) is in a rectangular shape, and a driving mechanism (4) for driving the preassembling table (21) and the workbench (22) to slide along the sliding rail (171) is also arranged in the base (1).
The driving mechanism (4) comprises a sliding block (41) fixed at two ends of the workbench (22) and the preassembling table (21), the sliding block (41) is embedded in the sliding rail (171) and can slide in the sliding rail (171), a rotating rod (42) is rotationally connected at the midpoint position of the sliding rail (171), the tail end of the rotating rod (42) is slidingly connected with a linkage rod (43) for driving the sliding block (41) to move, and the tail end of the linkage rod (43) is hinged with the sliding block (41);
a driving spring (44) is sleeved on the linkage rod (43), one end of the driving spring (44) is fixed at the connecting end of the linkage rod (43) and the sliding block (41), the other end of the driving spring is fixed at the tail end of the rotating rod (42), and the sliding distance of the linkage rod (43) in the tail end of the rotating rod (42) is greater than half of the long side of the sliding rail (171);
the accommodating groove (17) is internally provided with a bearing plate (45) for bearing the preassembling table (21) and the workbench (22), and the bearing plate is rotationally connected in the accommodating groove (17) and is pushed to rotate by a bearing pushing piece (5) arranged in the accommodating groove (17).
2. The numerically controlled machining center according to claim 1, wherein: the linkage rod (43) and the driving spring (44) are symmetrically arranged on the rotating rod (42) and are respectively connected with the preassembling table (21) and the sliding block (41) on the workbench (22).
3. The numerically controlled machining center according to claim 1, wherein: the bearing pushing piece (5) comprises a pushing oil cylinder (51) which is perpendicular to the horizontal plane and fixed in the accommodating groove (17), a push rod (52) is hinged to an output shaft of the pushing oil cylinder (51), the connecting end of the push rod (52) and the pushing oil cylinder (51) is connected in the accommodating groove (17) in a sliding mode, and the other end of the push rod is hinged to the bottom surface of the bearing plate (45).
4. The numerically controlled machining center according to claim 1, wherein: the isolation door (14) comprises a left door plate (141) and a right door plate (142) which are symmetrically arranged, the left door plate (141) and the right door plate (142) are folding doors, and the isolation door is opened and closed by pushing a starting cylinder (143) fixed on the top wall of the inner cavity (121), and through grooves (144) for accommodating the processing table (2) are formed in the bottoms of the left door plate (141) and the right door plate (142).
5. The numerically controlled machining center according to claim 4, wherein: the base (1) is obliquely arranged on two sides of the workbench (22) to form a sewage draining groove (16), the sewage draining groove (16) is communicated with the outside, and a rotating mechanism for driving the cutter clamping seat (13) to rotate is further arranged in the processing cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009244.0A CN108818012B (en) | 2018-08-31 | 2018-08-31 | Numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009244.0A CN108818012B (en) | 2018-08-31 | 2018-08-31 | Numerical control machining center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108818012A CN108818012A (en) | 2018-11-16 |
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