CN117400009A - Vertical double-spindle five-axis linkage machining center - Google Patents

Abstract

The application provides a vertical double-spindle five-axis linkage machining center relates to machining center's technical field, include: the clamping piece is detachably connected with the rotary tray through a connecting mechanism; the grabbing mechanism can be detachably connected with the clamping piece and can drive the clamping piece to be detached or connected with the rotary tray; the moving mechanism is arranged on the machine base and is connected with the grabbing mechanism. The grabbing mechanism is driven by the moving mechanism to move to the side of the rotary tray, then the grabbing mechanism is connected with the clamping piece, the clamping piece is driven by the grabbing mechanism to be detached from the rotary tray, the clamping piece is separated from the rotary tray, the grabbing mechanism and the clamping piece are driven by the moving mechanism to move in the direction away from the rotary tray, and the machined workpiece on the clamping piece is kept away from the machined workpiece, so that potential safety hazards in blanking operation are effectively reduced.

Description

Vertical double-spindle five-axis linkage machining center

Technical Field

The application relates to the technical field of machining centers, in particular to a vertical double-spindle five-axis linkage machining center.

Background

The five-axis linkage machining center is used for machining high-precision complex curved surfaces, and in the related art, a common five-axis linkage machining center mainly adopts a single-spindle single-five-axis linkage structure, and the single-spindle single-five-axis linkage machining center cannot machine a plurality of workpieces at the same time, so that the production efficiency is low.

In order to solve the technical problems, the invention application with publication number of CN102990478A discloses a five-axis machining center, a third axis driven by a third axis power source is arranged between two upright posts of a front gantry of the five-axis machining center, a first workbench and a second workbench are respectively arranged on the front side and the rear side of the third axis, a fourth axis and a fifth axis driven by a fourth axis power source and a fifth axis power source are respectively arranged on the first workbench and the second workbench, and clamping devices for fixing workpieces are respectively arranged at two ends of the fourth axis and the fifth axis.

According to the five-axis machining center, the two work tables are arranged on the third axis, and the two rotatable clamping devices are arranged on each work table, so that a plurality of workpieces can be machined at one time by the machining center, in the machining process of two workpieces on one work table, the two workpieces on the other work table can be fed and discharged, production without shutdown is achieved, and production efficiency is improved. However, when the five-axis machining center performs loading and unloading operations on the other two workpieces, a worker is required to operate the clamping device, the workpieces are taken down or clamped and fixed from the clamping device, and the workpieces to be unloaded are closer to the workpiece being machined, so that scraps generated during machining are easy to splash on the body of the worker when the worker performs the unloading operations on the workpieces, and if the worker does not operate carelessly, the worker may even touch the cutter being machined by mistake, and therefore certain potential safety hazards exist.

Disclosure of Invention

The purpose of the application is to provide a vertical double-spindle five-axis linkage machining center for solve the problem that two parts of the five-axis machining center in the related art have certain potential safety hazards when being used for feeding and discharging other two parts of the five-axis machining center.

The application provides a vertical double-spindle five-axis linkage machining center adopts following technical scheme:

a vertical double-spindle five-axis linkage machining center, comprising:

a base;

the rotary frame is rotatably arranged on the machine base, and a first driving piece for driving the rotary frame to rotate is arranged on the machine base;

the saddle is provided with two groups, the two groups of saddle are rotatably arranged on the rotating frame, and the rotating frame is provided with a second driving piece for driving the saddle to rotate;

the rotary tray is rotationally arranged on the saddle, and a third driving piece for driving the rotary tray to rotate is arranged on the saddle;

the clamping piece is detachably connected with the rotary tray through a connecting mechanism and is used for clamping a workpiece;

the grabbing mechanism can be detachably connected with the clamping piece and can drive the clamping piece to be detached or connected with the rotary tray;

the moving mechanism is arranged on the base and connected with the grabbing mechanism, and the moving mechanism is used for driving the grabbing mechanism to move towards or away from the rotary tray.

Through adopting above-mentioned technical scheme, when carrying out the unloading operation, through moving mechanism drive snatch the mechanism and remove to the rotatory tray by, will snatch the mechanism and be connected with the holder afterwards to dismantle with rotatory tray through snatch mechanism drive holder, make holder and rotatory tray separation, rethread moving mechanism drive snatch mechanism and holder and remove towards the direction of keeping away from rotatory tray, make the work piece that is being processed keep away from on the holder well work piece. Therefore, scraps generated by machining can be prevented from splashing to the body of a worker, and meanwhile, the cutter which is being machined in operation is prevented from being touched by mistake, so that potential safety hazards during blanking operation are effectively reduced.

Optionally, coupling mechanism includes support and locking piece, be equipped with the constant head tank on the rotatory tray, be equipped with the location boss on the support, the location boss can with the constant head tank grafting, be equipped with the locking groove on the location boss, the locking piece is located on the rotatory tray, the locking piece can with locking groove joint, the tip of locking piece is the wedge, the locking groove with locking piece wedge tip agrees with mutually, the holder with the support rigid coupling.

By adopting the technical scheme, the end part of the locking block is designed into a wedge shape, and the locking groove is matched with the wedge-shaped end part of the locking block, so that the positioning boss can be tightly locked with the rotary tray.

Optionally, the coupling mechanism still includes first lead screw, worm and pivot, the locking piece is equipped with two, two the locking piece slides and locates on the rotatory tray to be equipped with the screw respectively, first lead screw rotates and locates on the rotatory tray, and through screw and two the locking piece spiro union, be equipped with the worm wheel on the first lead screw, the worm rotates and locates on the rotatory tray, and with the worm wheel meshing, the pivot rotates and locates on the support, the pivot can with the worm can dismantle the connection, snatch the mechanism and be equipped with and divide and close drive assembly, divide and close drive assembly can with the pivot is connected, divide and close drive assembly and be used for the drive the pivot rotates.

Through adopting above-mentioned technical scheme, can drive worm through rotating the pivot and rotate, and then rotate through worm drive worm wheel and first lead screw, and then drive two locking pieces subtend or back removal through first lead screw, make locking piece and locking groove joint or separation to can be with support and rotatory tray fixed lock joint or unblock.

Optionally, the tip of worm is equipped with square boss, the tip of pivot be equipped with square boss looks adaptation's sleeve, the sleeve can with square boss can dismantle the joint.

Through adopting above-mentioned technical scheme, can dismantle the joint through sleeve and square boss to can realize the detachable connection of pivot and worm.

Optionally, the moving mechanism includes translation subassembly and lifting unit, translation subassembly is connected with lifting unit, translation subassembly is used for the drive lifting unit translation, snatch the mechanism include two clamp splice and centre gripping drive assembly, lifting unit with the centre gripping drive assembly is connected, lifting unit is used for the drive centre gripping drive assembly goes up and down, the centre gripping drive assembly with two the clamp splice is connected, the centre gripping drive assembly is used for driving two the clamp splice is right the support carries out the centre gripping.

Through adopting above-mentioned technical scheme, but through translation subassembly drive lifting unit translation, but through lifting unit drive clamping drive subassembly lift to can drive the location boss and withdraw from in the constant head tank, and remove the holder to the position of keeping away from rotatory tray.

Optionally, the coupling mechanism still includes first rack, be equipped with the guide way on the support, first rack slides and locates in the guide way, be equipped with first gear in the pivot, first gear with first rack meshing, divide and close drive assembly and include two pushing parts, two pushing parts set firmly respectively on two on the clamp splice, two when the clamp splice centre gripping in during the support, two pushing parts are located respectively the both sides of first rack, pushing parts be equipped with can with the tip butt of first rack, and promote first rack is along the gliding portion of pushing away of guide way.

By adopting the technical scheme, the pushing part of one pushing part is controlled to extend, so that the pushing part is abutted with the end part of the first rack and pushes the first rack to slide along the guide groove. Then the first gear and the rotating shaft are driven to rotate through the first rack, the worm is driven to rotate through the rotating shaft, the worm wheel and the first screw rod are driven to rotate through the worm, and the two locking blocks are driven to move oppositely or back to back through the first screw rod, so that the locking blocks can be clamped or separated from the locking grooves, and the support is locked or unlocked with the rotating tray.

Optionally, the device further comprises a positioning mechanism and a positioning driving mechanism, wherein the positioning mechanism is arranged on the support, the positioning driving mechanisms are respectively arranged on the two clamping blocks, and when the first rack slides to a critical position along the forward direction or the reverse direction of the guide groove, the positioning driving mechanism can act on the positioning mechanism and act on the first rack through the positioning mechanism so as to fixedly connect the first rack with the support.

Through adopting above-mentioned technical scheme, after support and rotatory tray separation, can fix the pivot through positioning mechanism and location actuating mechanism to ensure that support and rotatory tray when the joint again, the sleeve can with the accurate joint of square boss.

Optionally, positioning mechanism includes wedge spring bolt, reference column, first elastic component and second elastic component, wedge spring bolt and reference column are slided respectively and are located on the support, wedge spring bolt with reference column fixed connection, first elastic component and second elastic component are located on the support, first elastic component acts on the wedge spring bolt, the second elastic component acts on the reference column, the both ends of first rack are equipped with the locating hole respectively, positioning mechanism is equipped with two sets of, two sets of positioning mechanism's reference column respectively can with the locating hole grafting at first rack both ends, positioning drive mechanism can act on the wedge spring bolt, so as to promote wedge spring bolt for the support slides.

Through adopting above-mentioned technical scheme, can act on the wedge spring bolt through location actuating mechanism, can drive the reference column through the wedge spring bolt and peg graft in the locating hole to can fix the position of first rack on the support, thereby prevent that the pivot from taking place to rotate.

Optionally, the positioning driving mechanism includes a telescopic tube and a telescopic driving piece, be equipped with on the support with the recess of guide way intercommunication, the telescopic tube slides and locates on the clamp splice, the telescopic tube can insert and locate the recess, works as the telescopic tube inserts and locates when the recess, the telescopic tube can act on wedge spring bolt, so as to promote wedge spring bolt for the support slides, and the withdrawal in the support, the telescopic driving piece is located on the clamp splice, and with the telescopic tube is connected, the telescopic driving piece is used for the drive the telescopic tube is followed the recess slides in a telescopic way, pushing part of pushing away the piece slides and wears to locate the telescopic tube.

Through adopting above-mentioned technical scheme, when first rack removes to the locating hole and aligns with the reference column, through flexible driving piece drive flexible section of thick bamboo removal, make flexible section of thick bamboo and wedge spring bolt separation, wedge spring bolt stretches out again under the elasticity effect of first elastic component this moment, drives the reference column simultaneously and inserts the locating hole, locks first rack and pivot. And the positioning holes at the two ends of the first rack are respectively used for locking the support and the rotary tray when the locking block is completely clamped with the locking groove, and preventing the rotating shaft from rotating when the locking block is completely separated from the locking groove.

Optionally, be equipped with the holding tank on the rotatory tray, the locking piece slides and locates in the holding tank, keep away from on the locking piece a side of constant head tank has set firmly magnet, works as the locking piece is followed the holding tank is kept away from when the direction of constant head tank removes, magnet can with the holding tank lateral wall adsorption connection of rotatory tray.

Through adopting above-mentioned technical scheme, when locking piece and locking groove complete segregation, the locking piece just in time moves to the holding tank lateral wall butt with rotatory tray, and at this moment, adsorbs with the holding tank lateral wall of rotatory tray through magnet and is connected to prevent that the worm from rotating, when guaranteeing support and rotatory tray joint again, the sleeve can with square boss accurate joint.

In summary, the present application includes at least one of the following beneficial technical effects: after the work piece processing on one of the saddle sets is accomplished, rotate the swivel mount through first driving piece drive, change the position with two sets of saddle, remove the work piece on the other saddle set to the headstock below and process, carry out the unloading operation through snatch mechanism and moving mechanism to the work piece of processing on the saddle simultaneously. When the blanking operation is carried out, the grabbing mechanism is driven by the moving mechanism to move to the side of the rotary tray, then the grabbing mechanism is connected with the clamping piece, the clamping piece is driven by the grabbing mechanism to be detached from the rotary tray, the clamping piece is separated from the rotary tray, and the grabbing mechanism and the clamping piece are driven by the moving mechanism to move in the direction away from the rotary tray, so that a machined workpiece on the clamping piece is far away from the workpiece being machined. And then, operating the clamping piece by a worker, and unloading the processed workpiece from the clamping piece to finish the unloading of the workpiece. Because the staff is when carrying out the unloading to the work piece that processes, and the work piece that processes is kept away from the work piece that is processing, consequently can avoid the sweeps that processing produced to splash to the staff physically, prevent simultaneously that the mistake from touching the cutter of processing that is running to the potential safety hazard when effectively having reduced unloading operation.

Drawings

Fig. 1 is a schematic structural diagram of a neutral dual spindle five-axis linkage machining center in an embodiment of the present application;

FIG. 2 is a cross-sectional view of the connection mechanism;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

FIG. 4 is a schematic view of the structure of the rotating tray, clamping members, connecting mechanism, grabbing mechanism, etc.;

FIG. 5 is an enlarged schematic view of a portion C of FIG. 4;

FIG. 6 is a cross-sectional view of the shaft and worm;

FIG. 7 is an enlarged partial schematic view of portion H of FIG. 6;

FIG. 8 is a partially enlarged schematic illustration of portion B of FIG. 3;

fig. 9 is a partially enlarged schematic view of the portion D in fig. 5.

Reference numerals illustrate:

10. a base; 20. a rotating frame; 30. a saddle;

40. rotating the tray; 41. a positioning groove; 42. a receiving groove; 50. a clamping member;

60. a connecting mechanism; 61. a support; 611. positioning the boss; 612. a locking groove; 613. a guide groove; 614. a tongue locking groove; 615. a chute; 616. an avoidance groove; 617. a first through hole; 618. a second through hole; 619. a groove; 62. a locking block; 621. a screw hole; 622. a magnet; 63. a first screw rod; 631. a worm wheel; 64. a worm; 641. square boss; 65. a rotating shaft; 651. a sleeve; 652. a first gear; 66. a first rack; 661. positioning holes;

70. a grabbing mechanism; 71. a pusher shoe; 711. a pushing part; 72. clamping blocks; 73. clamping the driving assembly; 731. a base; 732. a second screw rod; 733. a switching drive motor; 734. a slide block; 735. a screw sleeve;

80. a positioning mechanism; 81. wedge-shaped lock tongue; 811. a first connecting rod; 82. positioning columns; 821. a second connecting rod; 83. a first elastic member; 84. a second elastic member; 85. a connecting plate;

90. a positioning driving mechanism; 91. a telescopic cylinder; 911. a second rack; 92. a telescopic driving motor; 93. a second gear;

100. a translation assembly; 110. a lifting assembly; 120. a first driving member; 130. a second driving member; 150. an XYZ three-axis motion platform; 160. and a spindle box.

Detailed Description

The present application is described in further detail below with reference to fig. 1-9.

The embodiment of the application discloses a vertical double-spindle five-axis linkage machining center.

Referring to fig. 1 and 2, a vertical double-spindle five-axis linkage machining center includes a base 10, a rotating frame 20, a saddle 30, a rotating tray 40, a clamping member 50, a grabbing mechanism 70, a moving mechanism, an XYZ three-axis moving platform 150 and a spindle box 160, wherein the XYZ three-axis moving platform 150 is arranged on the base 10, the XYZ three-axis moving platform 150 is connected with the spindle box 160, the spindle box 160 can be driven to move along the XYZ three axes by the XYZ three-axis moving platform 150, and a cutter is mounted on the spindle box 160.

The rotating frame 20 is rotatably disposed on the base 10, and a first driving member 120 for driving the rotating frame 20 to rotate is disposed on the base 10. The saddles 30 are provided with two groups, the two groups of saddles 30 are rotatably arranged on the rotating frame 20, and the rotating frame 20 is provided with a second driving piece 130 for driving the saddles 30 to rotate. The rotary tray 40 is rotatably disposed on the saddle 30, and a third driving member for driving the rotary tray 40 to rotate is disposed on the saddle 30. The clamping member 50 is detachably connected to the rotary tray 40 via a connection mechanism 60, and the clamping member 50 is used for clamping a workpiece.

When a workpiece is required to be processed, the workpiece is clamped and fixed on the rotary tray 40 of the saddle 30 through the clamping piece 50, the saddle 30 is driven to rotate through the second driving piece 130, the rotary tray 40 is driven to rotate through the third driving piece, meanwhile, the spindle box 160 is driven to move along the three axes of the XYZ through the three-axis motion platform 150, and the tool is driven to rotate through the spindle box 160 to process the workpiece.

Referring to fig. 1, 2 and 3, the gripping mechanism 70 is detachably connectable with the gripping member 50 and is capable of driving the gripping member 50 to be detached or connected with the rotary tray 40. The moving mechanism is arranged on the machine base 10 and connected with the grabbing mechanism 70, and the moving mechanism is used for driving the grabbing mechanism 70 to move towards or away from the rotary tray 40.

After the workpiece on one set of saddle 30 is processed, the first driving piece 120 drives the rotating frame 20 to rotate, the two sets of saddle 30 are changed in position, the workpiece on the other set of saddle 30 is moved to the lower part of the spindle box 160 for processing, and meanwhile, the workpiece processed on the saddle 30 is subjected to blanking operation through the grabbing mechanism 70 and the moving mechanism, and the specific blanking operation is as follows:

the grabbing mechanism 70 is driven by the moving mechanism to move to the side of the rotary tray 40, then the grabbing mechanism 70 is connected with the clamping piece 50, the clamping piece 50 is driven by the grabbing mechanism 70 to be detached from the rotary tray 40, the clamping piece 50 is separated from the rotary tray 40, and then the grabbing mechanism 70 and the clamping piece 50 are driven by the moving mechanism to move in the direction away from the rotary tray 40, so that a machined workpiece on the clamping piece 50 is away from the machined workpiece. Then, the worker operates the holder 50 to remove the machined workpiece from the holder 50, thereby completing the blanking of the workpiece. Because the staff is when carrying out the unloading to the work piece that processes, and the work piece that processes is kept away from the work piece that is processing, consequently can avoid the sweeps that processing produced to splash to the staff physically, prevent simultaneously that the mistake from touching the cutter of processing that is running to the potential safety hazard when effectively having reduced unloading operation.

Referring to fig. 3, 4 and 5, in an alternative embodiment, the specific structure of the connection mechanism 60, and the specific connection relationship of the rotary tray 40 and the clamping member 50 with the connection mechanism 60, are as follows:

the connecting mechanism 60 comprises a support 61, a locking block 62, a first screw 63, a worm 64, a rotating shaft 65 and a first rack 66, wherein the rotating tray 40 is provided with a positioning groove 41, the support 61 is provided with a positioning boss 611, the positioning boss 611 can be inserted into the positioning groove 41, and the clamping piece 50 is fixedly connected with the support 61. A locking block 62 is provided on the rotary tray 40. In the present embodiment, two locking blocks 62 are provided, and two locking blocks 62 are slidably provided on the rotary tray 40, more specifically, the rotary tray 40 is provided with the accommodation groove 42, and the locking blocks 62 are slidably provided in the accommodation groove 42.

Screw holes 621 are formed in the two locking blocks 62 respectively, the first screw rod 63 is rotatably arranged on the rotary tray 40, the first screw rod 63 is provided with two groups of first external threads with opposite rotation directions, and the two groups of first external threads with opposite rotation directions on the first screw rod 63 are in threaded connection with the two locking blocks 62 respectively through the screw holes 621.

The positioning boss 611 is provided with a locking groove 612, the locking block 62 can be clamped with the locking groove 612, the end part of the locking block 62 is wedge-shaped, and the locking groove 612 is matched with the wedge-shaped end part of the locking block 62. When the locking block 62 is engaged with the locking groove 612, the support 61 is fixedly locked with the rotary tray 40, thereby fixing the clamping member 50 on the rotary tray 40. When the clamping member 50 needs to be removed from the rotary tray 40, the two locking blocks 62 can be moved back by rotating the first screw 63, and the locking blocks 62 are withdrawn from the locking grooves 612, so that the support 61 can be separated from the rotary tray 40.

The first screw 63 is provided with a worm wheel 631, the worm 64 is rotatably disposed on the rotary tray 40 and meshed with the worm wheel 631, the rotating shaft 65 is rotatably disposed on the support 61, the rotating shaft 65 can be detachably connected with the worm 64, more specifically, referring to fig. 6 and 7, the end portion of the worm 64 is provided with a square boss 641, the end portion of the rotating shaft 65 is provided with a sleeve 651 adapted to the square boss 641, and the sleeve 651 can be detachably clamped with the square boss 641.

When the support 61 is inserted into the positioning slot 41 of the rotary tray 40 through the positioning boss 611, the sleeve 651 can be just clamped with the square boss 641, at this time, the rotating shaft 65 is connected with the worm 64, the worm 64 can be driven to rotate by rotating the rotating shaft 65, the worm wheel 631 and the first screw 63 are driven to rotate by the worm 64, and the two locking blocks 62 are driven to move oppositely by the first screw 63, so that the locking blocks 62 are clamped with the locking slots 612, and the support 61 can be fixedly locked with the rotary tray 40.

Referring to fig. 3, 4 and 7, in an alternative embodiment, the specific structure of the moving mechanism and the gripping mechanism 70, the specific connection relationship of the moving mechanism and the gripping mechanism 70, and the specific connection relationship of the gripping mechanism 70 and the holding member 50 are as follows:

the moving mechanism comprises a translation assembly 100 and a lifting assembly 110, the translation assembly 100 is connected with the lifting assembly 110, the translation assembly 100 is used for driving the lifting assembly 110 to translate, the grabbing mechanism 70 comprises two clamping blocks 72 and a clamping driving assembly 73, the lifting assembly 110 is connected with the clamping driving assembly 73, the lifting assembly 110 is used for driving the clamping driving assembly 73 to lift, the clamping driving assembly 73 is connected with the two clamping blocks 72, and the clamping driving assembly 73 is used for driving the two clamping blocks 72 to clamp the support 61.

In this embodiment, the clamping driving assembly 73 includes a base 731, a second screw 732, a split driving motor 733, and two sliding blocks 734, where the lifting assembly 110 is connected to the base 731, the lifting assembly 110 is used to drive the base 731 to lift, the second screw 732 is rotationally disposed on the base 731, two sets of second external threads with opposite rotation directions are disposed on the second screw 732, the two sliding blocks 734 are respectively slidably disposed on the base 731, screw sleeves 735 are respectively disposed on the two sliding blocks 734, the screw sleeves 735 on the two sliding blocks 734 are respectively screwed with the two sets of second external threads with opposite rotation directions on the second screw 732, the two sliding blocks 734 are respectively fixedly connected with the two clamping blocks 72, and the split driving motor 733 is fixedly disposed on the base 731 and connected with the second screw 732.

The second screw 732 is driven to rotate by the split driving motor 733, and the two sliders 734 are driven to move in opposite directions or back directions by the second screw 732, so that the two clamping blocks 72 are driven to move in opposite directions or back directions, and the support 61 can be clamped.

The grabbing mechanism 70 is provided with a split driving assembly, and the split driving assembly can be connected with the rotating shaft 65 and can drive the rotating shaft 65 to rotate. More specifically, the support 61 is provided with a guide groove 613, the first rack 66 is slidably disposed in the guide groove 613, the rotating shaft 65 is provided with a first gear 652, the first gear 652 is meshed with the first rack 66, the split driving assembly comprises two pushing pieces 71, the two pushing pieces 71 are respectively fixedly disposed on the two clamping blocks 72, when the two clamping blocks 72 are clamped on the support 61, the two pushing pieces 71 are respectively disposed on two sides of the first rack 66, and the pushing pieces 71 are provided with a pushing portion 711 capable of being abutted with the end portion of the first rack 66 and pushing the first rack 66 to slide along the guide groove 613.

When the two clamping blocks 72 are clamped on the support 61 and the rotating shaft 65 is required to be driven to rotate by the split driving assembly, the pushing part 711 of one pushing member 71 is controlled to extend, so that the pushing part 711 abuts against the end of the first rack 66 and pushes the first rack 66 to slide along the guide groove 613. Then, the first gear 652 and the rotating shaft 65 are driven to rotate through the first rack 66, the worm 64 is driven to rotate through the rotating shaft 65, the worm wheel 631 and the first screw 63 are driven to rotate through the worm 64, the two locking blocks 62 are driven to move oppositely through the first screw 63, the locking blocks 62 are clamped with the locking grooves 612, and the support 61 is fixedly locked with the rotary tray 40. If the support 61 and the rotary tray 40 need to be unlocked, the pushing portion 711 of the other pusher shoe 71 is controlled to extend, and the first rack 66 is pushed to slide reversely along the guide groove 613. In this embodiment, the pushing member 71 may be a cylinder module, and the pushing portion 711 is a piston rod of the pushing member 71.

In this embodiment, the specific working principle of blanking the workpiece machined on the saddle 30 by the gripping mechanism 70 and the moving mechanism is as follows:

the grabbing mechanism 70 is driven to move to the side of the rotary tray 40 by the moving mechanism, the second screw 732 is driven to rotate by the split driving motor 733, and the two sliding blocks 734 are driven to move oppositely by the second screw 732 to drive the two clamping blocks 72 to move oppositely so as to clamp the support 61. Then, the pushing portion 711 of one of the pusher shoes 71 is controlled to extend, so that the pushing portion 711 abuts against the end of the first rack 66 and pushes the first rack 66 to slide along the guide groove 613. Then, the first gear 652 and the rotating shaft 65 are driven to rotate by the first rack 66, the worm 64 is driven to rotate by the rotating shaft 65, the worm wheel 631 and the first screw 63 are driven to rotate by the worm 64, the two locking blocks 62 are driven to move back by the first screw 63, the locking blocks 62 are separated from the locking grooves 612, and the support 61 is unlocked from the rotary tray 40. Then, the clamping driving assembly 73 and the support 61 are driven to ascend by the elevating assembly 110, so that the positioning boss 611 is separated from the positioning groove 41 of the rotary tray 40, and the support 61 is separated from the rotary tray 40. The lifting assembly 110 is driven to translate through the translation assembly 100, so that the lifting assembly 110, the clamping driving assembly 73, the clamping block 72, the support 61, the clamping piece 50 and the processed workpiece are moved to a position far away from the rotary tray 40, and a worker can conveniently take the workpiece off the clamping piece 50.

When the support 61 is separated from the rotary tray 40, in order to ensure that the support 61 is clamped with the rotary tray 40 again, the sleeve 651 can be clamped with the square boss 641 accurately, the rotating shaft 65 and the worm 64 need to be fixed after the support 61 is separated from the rotary tray 40, in an alternative embodiment, the rotating shaft 65 is fixed by the positioning mechanism 80 and the positioning driving mechanism 90, and the worm 64 is fixed by the magnet 622, which specifically works as follows:

referring to fig. 3 and 8, the positioning mechanism 80 is disposed on the support 61, the positioning driving mechanism 90 is disposed on the two clamping blocks 72, and when the first rack 66 slides forward or backward along the guide groove 613 to the critical position, the positioning driving mechanism 90 can act on the positioning mechanism 80, and act on the first rack 66 through the positioning mechanism 80, so that the first rack 66 is fixedly connected with the support 61.

More specifically, the positioning mechanism 80 includes a wedge lock tongue 81, a positioning column 82, a first elastic member 83 and a second elastic member 84, where the wedge lock tongue 81 and the positioning column 82 are slidably disposed on the support 61, the wedge lock tongue 81 is fixedly connected with the positioning column 82, the first elastic member 83 and the second elastic member 84 are disposed on the support 61, the first elastic member 83 acts on the wedge lock tongue 81, the second elastic member 84 acts on the positioning column 82, two ends of the first rack 66 are respectively provided with positioning holes 661, the positioning mechanism 80 is provided with two groups, the positioning columns 82 of the two groups of positioning mechanisms 80 can be respectively inserted into the positioning holes 661 at two ends of the first rack 66, and the positioning driving mechanism 90 can act on the wedge lock tongue 81 to push the wedge lock tongue 81 to slide relative to the support 61 and retract into the support 61.

In this embodiment, the first elastic member 83 is a first spring, the second elastic member 84 is a second spring, the support 61 is provided with a lock tongue groove 614, a chute 615 and a avoiding groove 616, the support 61 is further provided with a first through hole 617 communicated with the lock tongue groove 614 and the avoiding groove 616, the support 61 is further provided with a second through hole 618 communicated with the chute 615 and the avoiding groove 616, the wedge lock tongue 81 is slidably arranged in the lock tongue groove 614, the positioning column 82 is slidably arranged in the chute 615, the wedge lock tongue 81 is provided with a first connecting rod 811, the first connecting rod 811 is slidably arranged in the first through hole 617, the positioning column 82 is provided with a second connecting rod 821, the second connecting rod 821 is slidably arranged in the second through hole 618, the ends of the first connecting rod 811 and the second connecting rod 821 are fixedly connected through a connecting plate 85, the connecting plate 85 is positioned in the avoiding groove 616, the first spring is sleeved in the first connecting rod 811, the two ends of the first spring are respectively abutted with the end faces of the wedge lock tongue 81 and the lock tongue groove 614, the two ends of the second spring are respectively abutted with the end faces of the positioning columns 82 and 615.

The positioning driving mechanism 90 comprises a telescopic cylinder 91 and a telescopic driving piece, a groove 619 communicated with the guide groove 613 is formed in the support 61, the telescopic cylinder 91 is slidably arranged on the clamping block 72, the telescopic cylinder 91 can be inserted into the groove 619, when the telescopic cylinder 91 is inserted into the groove 619, the telescopic cylinder 91 can act on the wedge-shaped lock tongue 81 to push the wedge-shaped lock tongue 81 to slide relative to the support 61, the telescopic driving piece is arranged on the clamping block 72 and connected with the telescopic cylinder 91, the telescopic driving piece is used for driving the telescopic cylinder 91 to slide telescopically along the groove 619, and the pushing part 711 of the pushing piece 71 slides to penetrate through the telescopic cylinder 91.

Referring to fig. 9, in the present embodiment, the telescopic driving member includes a telescopic driving motor 92, the telescopic driving motor 92 is fixedly arranged on the clamping block 72, a second gear 93 is arranged on an output shaft of the telescopic driving motor 92, a second rack 911 is arranged on the telescopic cylinder 91, and the second rack 911 is meshed with the second gear 93.

Referring to fig. 3 and 8, when the two clamping blocks 72 are clamped on the support 61, the telescopic cylinder 91 is driven by the telescopic driving member to be inserted into the groove 619, the wedge-shaped lock tongue 81 is pushed by the telescopic cylinder 91 to retract into the lock tongue groove 614, and meanwhile, the positioning column 82 is driven to retract into the sliding groove 615, so that the first rack 66 can slide freely along the guiding groove 613. When the first rack 66 moves to align the positioning hole 661 with the positioning column 82, the telescopic cylinder 91 is driven to move by the telescopic driving piece, so that the telescopic cylinder 91 is separated from the wedge-shaped lock tongue 81, and at the moment, the wedge-shaped lock tongue 81 stretches out again under the elastic force of the first elastic piece 83, and meanwhile, the positioning column 82 is driven to be inserted into the positioning hole 661, so that the first rack 66 and the rotating shaft 65 are locked.

The positioning holes 661 at the two ends of the first rack 66 are respectively used for locking the support 61 and the rotary tray 40 when the locking block 62 is completely clamped with the locking groove 612; and the rotation of the rotation shaft 65 is prevented when the locking block 62 is completely separated from the locking groove 612.

The magnet 622 is fixedly arranged on one side surface of the locking block 62 away from the positioning groove 41, and when the locking block 62 moves along the accommodating groove 42 in a direction away from the positioning groove 41, the magnet 622 can be in adsorption connection with the side wall of the accommodating groove 42 of the rotary tray 40.

When the locking block 62 is completely separated from the locking groove 612, the locking block 62 just moves to abut against the side wall of the accommodating groove 42 of the rotary tray 40, and at this time, the magnet 622 is in adsorptive connection with the side wall of the accommodating groove 42 of the rotary tray 40, so that the worm 64 is prevented from rotating, and when the support 61 and the rotary tray 40 are ensured to be clamped again, the sleeve 651 can be accurately clamped with the square boss 641.

The implementation principle of the vertical double-spindle five-axis linkage machining center is as follows: after the work piece processing on one set of saddle 30 is completed, the first driving piece 120 drives the rotating frame 20 to rotate, the two sets of saddle 30 are changed in position, and the work piece on the other set of saddle 30 is moved to the position below the spindle box 160 for processing.

Then, the second screw 732 is driven to rotate by the split driving motor 733, and the two sliding blocks 734 are driven to move oppositely by the second screw 732 to drive the two clamping blocks 72 to move oppositely, so as to clamp the support 61 corresponding to the machined workpiece. Then, the telescopic driving piece drives the telescopic cylinder 91 to be inserted into the groove 619, the telescopic cylinder 91 props against the wedge-shaped lock tongue 81 to retract into the lock tongue groove 614, and meanwhile, the positioning column 82 is driven to retract into the sliding groove 615, so that the first rack 66 can slide freely along the guide groove 613.

Then, the pushing portion 711 of one of the pusher shoes 71 is controlled to extend, so that the pushing portion 711 abuts against the end of the first rack 66 and pushes the first rack 66 to slide along the guide groove 613. Then, the first gear 652 and the rotating shaft 65 are driven to rotate by the first rack 66, the worm 64 is driven to rotate by the rotating shaft 65, the worm wheel 631 and the first screw 63 are driven to rotate by the worm 64, the two locking blocks 62 are driven to move back by the first screw 63, the locking blocks 62 are separated from the locking grooves 612, and the support 61 is unlocked from the rotary tray 40.

At this time, the positioning hole 661 at one end of the first rack 66 is aligned with the positioning hole 82, the telescopic cylinder 91 is driven to move by the telescopic driving member, so that the telescopic cylinder 91 is separated from the wedge-shaped lock tongue 81, and the wedge-shaped lock tongue 81 stretches out again under the elastic force of the first elastic member 83, and meanwhile, the positioning hole 661 is driven to insert the positioning hole 82, so that the first rack 66 and the rotating shaft 65 are locked.

Meanwhile, the locking block 62 just moves to abut against the side wall of the accommodating groove 42 of the rotary tray 40, at this time, the magnet 622 is in adsorption connection with the side wall of the accommodating groove 42 of the rotary tray 40, so that the worm 64 is prevented from rotating, and when the support 61 and the rotary tray 40 are clamped again, the sleeve 651 can be clamped with the square boss 641 accurately.

Then, the clamping driving assembly 73 and the support 61 are driven to ascend by the elevating assembly 110, so that the positioning boss 611 is separated from the positioning groove 41 of the rotary tray 40, and the support 61 is separated from the rotary tray 40. And then the lifting assembly 110 is driven to translate through the translation assembly 100, the lifting assembly 110, the clamping driving assembly 73, the clamping block 72, the support 61, the clamping piece 50 and the processed workpiece are moved to a position far away from the rotary tray 40, and then the workpiece is taken down from the clamping piece 50 by a worker, so that the workpiece blanking is completed.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a vertical double spindle five-axis linkage machining center which characterized in that includes:

a stand (10);

the rotary frame (20), the rotary frame (20) is rotatably arranged on the machine base (10), and a first driving piece (120) for driving the rotary frame (20) to rotate is arranged on the machine base (10);

the saddle (30) is provided with two groups, the two groups of saddle (30) are rotatably arranged on the rotating frame (20), and the rotating frame (20) is provided with a second driving piece (130) for driving the saddle (30) to rotate;

the rotary tray (40) is rotationally arranged on the saddle (30), and a third driving piece for driving the rotary tray (40) to rotate is arranged on the saddle (30);

the clamping piece (50) is detachably connected with the rotary tray (40) through a connecting mechanism (60), and the clamping piece (50) is used for clamping a workpiece;

the grabbing mechanism (70) can be detachably connected with the clamping piece (50), and can drive the clamping piece (50) to be detached from or connected with the rotary tray (40);

the moving mechanism is arranged on the base (10) and connected with the grabbing mechanism (70), and the moving mechanism is used for driving the grabbing mechanism (70) to move towards or away from the rotary tray (40).

2. The vertical double-spindle five-axis linkage machining center according to claim 1, wherein the connecting mechanism (60) comprises a support (61) and a locking block (62), a positioning groove (41) is formed in the rotary tray (40), a positioning boss (611) is formed in the support (61), the positioning boss (611) can be inserted into the positioning groove (41), a locking groove (612) is formed in the positioning boss (611), the locking block (62) is arranged on the rotary tray (40), the locking block (62) can be clamped with the locking groove (612), the end portion of the locking block (62) is wedge-shaped, the locking groove (612) is matched with the wedge-shaped end portion of the locking block (62), and the clamping piece (50) is fixedly connected with the support (61).

3. The vertical double-spindle five-axis linkage machining center according to claim 2, wherein the connecting mechanism (60) further comprises a first screw rod (63), a worm (64) and a rotating shaft (65), the two locking blocks (62) are arranged in two, the two locking blocks (62) are slidably arranged on the rotating tray (40) and are respectively provided with screw holes (621), the first screw rod (63) is rotatably arranged on the rotating tray (40) and is in threaded connection with the two locking blocks (62) through the screw holes (621), a worm wheel (631) is arranged on the first screw rod (63), the worm (64) is rotatably arranged on the rotating tray (40) and is meshed with the worm wheel (631), the rotating shaft (65) is rotatably arranged on the supporting seat (61), the rotating shaft (65) can be detachably connected with the worm (64), and the grabbing mechanism (70) is provided with a split driving assembly which can be connected with the rotating shaft (65) and is used for driving the rotating shaft (65) to rotate.

4. A vertical double-spindle five-axis linkage machining center according to claim 3, wherein a square boss (641) is arranged at the end part of the worm (64), a sleeve (651) matched with the square boss (641) is arranged at the end part of the rotating shaft (65), and the sleeve (651) can be detachably clamped with the square boss (641).

5. A vertical double-spindle five-axis linkage machining center according to claim 3, wherein the moving mechanism comprises a translation assembly (100) and a lifting assembly (110), the translation assembly (100) is connected with the lifting assembly (110), the translation assembly (100) is used for driving the lifting assembly (110) to translate, the grabbing mechanism (70) comprises two clamping blocks (72) and a clamping driving assembly (73), the lifting assembly (110) is connected with the clamping driving assembly (73), the lifting assembly (110) is used for driving the clamping driving assembly (73) to lift, the clamping driving assembly (73) is connected with the two clamping blocks (72), and the clamping driving assembly (73) is used for driving the two clamping blocks (72) to clamp the support (61).

6. The vertical double-spindle five-axis linkage machining center according to claim 5, wherein the connecting mechanism (60) further comprises a first rack (66), a guide groove (613) is formed in the support (61), the first rack (66) is slidably arranged in the guide groove (613), a first gear (652) is arranged on the rotating shaft (65), the first gear (652) is meshed with the first rack (66), the split driving assembly comprises two pushing pieces (71), the two pushing pieces (71) are fixedly arranged on the two clamping blocks (72) respectively, when the two clamping blocks (72) are clamped on the support (61), the two pushing pieces (71) are located on two sides of the first rack (66) respectively, and the pushing pieces (71) are provided with pushing portions (711) capable of being abutted with the end portions of the first rack (66) and pushing the first rack (66) to slide along the guide groove (613).

7. The vertical double-spindle five-axis linkage machining center according to claim 6, further comprising a positioning mechanism (80) and a positioning driving mechanism (90), wherein the positioning mechanism (80) is arranged on the support (61), the positioning driving mechanism (90) is respectively arranged on the two clamping blocks (72), and when the first rack (66) slides to a critical position along the guide groove (613) in the forward direction or the reverse direction, the positioning driving mechanism (90) can act on the positioning mechanism (80) and acts on the first rack (66) through the positioning mechanism (80) so as to fixedly connect the first rack (66) with the support (61).

8. The vertical double-spindle five-axis linkage machining center according to claim 7, wherein the positioning mechanism (80) comprises a wedge-shaped lock tongue (81), a positioning column (82), a first elastic piece (83) and a second elastic piece (84), the wedge-shaped lock tongue (81) and the positioning column (82) are respectively arranged on the support (61) in a sliding mode, the wedge-shaped lock tongue (81) and the positioning column (82) are fixedly connected, the first elastic piece (83) and the second elastic piece (84) are arranged on the support (61), the first elastic piece (83) acts on the wedge-shaped lock tongue (81), the second elastic piece (84) acts on the positioning column (82), two ends of the first rack (66) are respectively provided with positioning holes (661), the two groups of positioning columns (82) of the positioning mechanism (80) can be respectively connected with the positioning holes (661) at two ends of the first rack (66), and the positioning mechanism (90) can act on the wedge-shaped lock tongue (81) in a sliding mode.

9. The vertical double-spindle five-axis linkage machining center according to claim 8, wherein the positioning driving mechanism (90) comprises a telescopic cylinder (91) and a telescopic driving piece, the support (61) is provided with a groove (619) communicated with the guide groove (613), the telescopic cylinder (91) is slidably arranged on the clamping block (72), the telescopic cylinder (91) can be inserted into the groove (619), when the telescopic cylinder (91) is inserted into the groove (619), the telescopic cylinder (91) can act on the wedge-shaped lock tongue (81) to push the wedge-shaped lock tongue (81) to slide relative to the support (61) and retract into the support (61), the telescopic driving piece is arranged on the clamping block (72) and is connected with the telescopic cylinder (91), the telescopic driving piece is used for driving the telescopic cylinder (91) to slide telescopically along the groove (619), and the pushing part (711) of the pushing piece (71) slides through the telescopic cylinder (91).

10. The vertical double-spindle five-axis linkage machining center according to claim 3, wherein the rotary tray (40) is provided with a containing groove (42), the locking block (62) is slidably arranged in the containing groove (42), a magnet (622) is fixedly arranged on a side surface, away from the locating groove (41), of the locking block (62), and when the locking block (62) moves along the containing groove (42) in a direction away from the locating groove (41), the magnet (622) can be in adsorptive connection with the side wall of the containing groove (42) of the rotary tray (40).