CN113145894A - Numerical control double-spindle polar coordinate high-speed drilling machine tool - Google Patents

Abstract

The invention discloses a numerical control double-spindle polar coordinate high-speed drilling machine tool, which comprises a working platform, wherein a rotating mechanism is arranged on the working platform, an automatic centering mechanism is arranged on the rotating mechanism, a door-shaped supporting mechanism is arranged on the rear side of the working platform, an inclined plane is arranged on the upper part of the front side surface of the door-shaped supporting mechanism, two radial feeding mechanisms are symmetrically arranged on the inclined plane in a left-right mode, a linear sliding table is respectively arranged on each radial feeding mechanism along the vertical direction, and a drilling machine is arranged on a sliding block of each linear sliding table; on one hand, the double-radial feeding mechanism is adopted, so that the working efficiency can be increased, the function of driving the part to be processed to rotate is only needed, and the function of radial feeding is not needed, and the design difficulty and the occupied space of a working platform are reduced; on the other hand can treat to process the part to the annular and carry out automatic centering and press from both sides tightly, not only efficient but also be applicable to the automatic centering of the part to be processed of great annular and press from both sides tightly.

Description

Numerical control double-spindle polar coordinate high-speed drilling machine tool

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control double-spindle polar coordinate high-speed drilling machine tool.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The high-speed numerical control drilling machine tool has high integral processing efficiency which is 3-5 times that of a common drilling machine, and the high-speed numerical control drilling machine tool enters the era of high-speed processing, and the high-speed numerical control drilling machine tool greatly improves the productivity due to the quick movement, positioning and high-speed cutting of moving parts. In addition, the tool magazine is matched for use, so that continuous processing of multiple working procedures can be realized on one machine tool, the turn-over time between the working procedures of semi-finished products is reduced, and the productivity is further improved.

However, the existing high-speed drilling machine tool usually has only one main shaft, and the main shaft can only move in the vertical direction, and when a rotary part is machined, radial machining can be completed by matching with radial movement of a part to be machined, so that a working platform of the high-speed drilling machine tool not only has a function of driving the part to be machined to rotate, but also has a function of radial feeding, and not only is the working efficiency low, but also the working platform needs to be arranged very large; in addition, when the part to be machined is clamped and fixed, manual centering operation is needed, the operation of the part to be machined in a large annular shape is very inconvenient, and the efficiency is low.

Therefore, it is necessary to develop a new structure of a high-speed drilling machine.

Disclosure of Invention

In view of the above, the invention provides a numerical control double-spindle polar coordinate high-speed drilling machine tool, which adopts a double-radial feeding mechanism on one hand, so that the installation of double spindles can be realized to increase the working efficiency, each radial feeding mechanism can drive the corresponding spindle to move along the radial direction of a part to be processed, a working platform of the high-speed drilling machine tool only needs to have the function of driving the part to be processed to rotate and does not need to have the function of radial feeding, and the design difficulty and the occupied space of the working platform are greatly reduced; on the other hand can treat to process the part to the annular and carry out automatic centering and press from both sides tightly, not only efficient but also be applicable to the automatic centering of the part to be processed of great annular and press from both sides tightly.

In order to achieve the purpose, the invention provides a numerical control double-spindle polar coordinate high-speed drilling machine tool which comprises a working platform, wherein a rotating mechanism is arranged on the working platform, an automatic centering mechanism is arranged on the rotating mechanism and drives the automatic centering mechanism to synchronously rotate, a portal type supporting mechanism is arranged on the rear side of the working platform, an inclined plane is arranged on the upper portion of the front side face of the portal type supporting mechanism, two radial feeding mechanisms are symmetrically arranged on the inclined plane in a left-right mode, a linear sliding table is respectively arranged on each radial feeding mechanism along the vertical direction, a drilling machine is arranged on a sliding block of each linear sliding table, and the connecting line of the two drilling machines is superposed with the rotation center of the automatic centering mechanism.

Furthermore, the automatic centering mechanism comprises a mounting disc arranged on the rotating mechanism, a first through hole is formed in the center of the mounting disc, a four-jaw linkage chuck is arranged at the center of the upper portion of the rotating mechanism and is positioned in the first through hole, a sliding rod with an inverted T-shaped cross section is horizontally arranged at the outer end of each jaw of the four-jaw linkage chuck along the extending direction of the sliding rod, a first sliding groove with an inverted T-shaped cross section and matched with the sliding rod is radially formed in the mounting disc, a fixed pressing block is respectively arranged at the upper portion of the inner end of each sliding rod, the four fixed pressing blocks are circularly distributed, a second sliding groove with an inverted T-shaped cross section is radially formed in the mounting disc between every two adjacent sliding rods, and a third sliding groove with an inverted T-shaped cross section is formed in the top of each sliding rod along the length direction of the sliding rod, l-shaped movable pressing blocks are arranged on the second sliding groove and the third sliding groove in a sliding mode, and the ring-shaped element to be drilled is pressed between the fixed pressing block and the movable pressing block.

Furthermore, a top pressing module is arranged at the top of the movable pressing block, the top pressing module comprises a first threaded rod which is connected to the top of the movable pressing block along a vertical direction in a threaded manner, the first threaded rod is inserted into an elongated slot formed in a top pressing plate, a limiting block is arranged at the top of the first threaded rod, a first pressing nut is connected to the lower portion of the first threaded rod in a threaded manner, an ejector rod is connected to the top of the movable pressing block, the top of the ejector rod is used for ejecting the bottom of the top pressing plate, and a handle is arranged on the ejector rod.

Further, the jack catch is connected with the slide bar that is connected through the linking module between, linking module includes second threaded rod and two second gland nuts, the both ends of second threaded rod respectively threaded connection the jack catch with the tip of slide bar, the middle part of second threaded rod sets up the polygon boss, and two second gland nuts respectively threaded connection are in the both sides of polygon boss.

Further, the polygonal boss is a trilateral boss, or a quadrilateral boss, or a pentagonal boss, or a hexagonal boss.

Further, rotary mechanism is including setting up work platform is last casing, the center of casing rotates through the pivot and is provided with annular mount pad, set up annular mount table on the annular mount pad, the bottom of annular mount pad is provided with the turbine ring gear with one heart, rotate through the axle bed in the casing be provided with turbine ring gear matched with worm, the worm is realized rotary drive by drive module.

Further, the driving module adopts an electric motor, or a hydraulic motor, or a pneumatic motor.

Furthermore, the radial feeding mechanism comprises a bearing body which is horizontally arranged on the inclined plane in a sliding manner, a pair of first guide rails are arranged on the inclined plane in parallel, a second guide rail which is parallel to the first guide rail is arranged on the door-shaped supporting mechanism which is positioned on the lower edge of the inclined plane, a first guide groove which is matched with the first guide rail is arranged on the bearing body, a second guide groove which is matched with the second guide rail is arranged on the bearing body, a long groove body is arranged on the inclined plane and between the pair of first guide rails in parallel, a ball screw is rotatably arranged in the long groove body through a shaft seat, a ball nut is rotatably arranged on the ball screw, the bearing body is fixedly connected with the ball nut, and the ball screw is driven by a stepping motor.

Further, door type supporting mechanism is including crossbeam and two landing legs that are the box structure, and two landing legs are the symmetry and set up the both ends bottom of crossbeam, the crossbeam with be connected through the bolt between the crossbeam, the inclined plane sets up the front side upper portion of crossbeam.

Further, a second mounting table is arranged on the inner side of the lower end of the supporting leg.

Further, a U-shaped protection plate is arranged between the upper parts of the two support legs.

Further, the rear side of crossbeam is provided with the platform, be provided with the rail on the platform.

Furthermore, a ladder stand is arranged on the side surface of the door-shaped supporting mechanism.

Further, the last just being located of work platform automatic centering mechanism's both sides set up a tool magazine mechanism respectively, tool magazine mechanism includes the base, there is a brace table through bolted connection on the base, the brace table top is rotated and is set up the main shaft, set up the star thumb wheel on the main shaft, be provided with the output shaft orientation on the brace table the CD-ROM drive motor of star thumb wheel, be provided with the rim plate on CD-ROM drive motor's the output shaft, on the rim plate off-centre be provided with star thumb wheel matched with driving lever, the top of main shaft sets up the knife rest dish, evenly be provided with on the periphery of knife rest dish with the knife rest snap ring of star thumb wheel looks adaptation, the front end of knife rest snap ring is provided with the opening, the interior card of knife rest snap ring is equipped with the drill bit.

Further, a first mounting table is arranged on the side face of the base, and a mounting hole is formed in the front end of the first mounting table.

Further, the first mounting table is of a box structure.

Further, the base with first mount table upper shield is equipped with the protection casing, the through-hole has been seted up on the protection casing, it stretches out to prop up supporting bench the through-hole.

Further, a lifting hook is arranged at the top of the cutter frame disc.

Further, the driving motor is an electric motor, a hydraulic motor or a pneumatic motor.

The technical scheme of the invention has the following beneficial effects: aiming at the problems that in the prior art, the conventional high-speed drilling machine tool usually only has one main shaft, the main shaft can only move in the vertical direction, and the radial machining can be completed only by matching with the radial movement of a part to be machined when a rotary part is machined, so that a working platform of the high-speed drilling machine tool not only has the function of driving the part to be machined to rotate, but also has the function of radial feeding when the high-speed drilling machine tool is required to have, not only is the working efficiency low, but also the working platform is required to be arranged to be large; in addition, when the part to be machined is clamped and fixed, manual centering operation is needed, and the operation of the part to be machined in a large annular shape is very inconvenient and has low efficiency. The utility model provides a numerical control double-spindle polar coordinates high-speed drilling machine tool, includes work platform, the last rotary mechanism that is provided with of work platform, the last automatic centering mechanism that sets up of rotary mechanism drives automatic centering mechanism synchronous revolution, work platform's rear side sets up door type supporting mechanism, door type supporting mechanism's leading flank upper portion sets up the inclined plane, be bilateral symmetry on the inclined plane and set up two radial feed mechanisms, every radial feed mechanism goes up along vertical straight line slip table that sets up respectively, be provided with the drilling machine on the slider of straight line slip table, and the line of two drilling machines with the centre of rotation coincidence of automatic centering mechanism. On one hand, the double-radial feeding mechanism is adopted, so that the installation of double main shafts can be realized to increase the working efficiency, each radial feeding mechanism can drive the corresponding main shaft to move along the radial direction of the part to be processed, the working platform of the high-speed drilling machine tool only needs to have the function of driving the part to be processed to rotate and does not need to have the function of radial feeding, and the design difficulty and the occupied space of the working platform are greatly reduced; on the other hand can treat to process the part to the annular and carry out automatic centering and press from both sides tightly, not only efficient but also be applicable to the automatic centering of the part to be processed of great annular and press from both sides tightly.

Drawings

FIG. 1 is a schematic view of an assembly structure of a numerical control dual spindle polar coordinate high speed drilling machine of the present invention;

FIG. 2 is a schematic view of an assembly structure of the rotating mechanism and the automatic centering mechanism of the present invention;

FIG. 3 is a schematic structural view of the self-centering mechanism of the present invention;

FIG. 4 is a schematic structural view of a top compression module according to the present invention;

FIG. 5 is a schematic view of a portion of the structure at A in FIG. 3;

FIG. 6 is a schematic structural view of a rotary mechanism according to the present invention;

FIG. 7 is a schematic view showing an assembled structure of the radial feed mechanism and the gate type support mechanism according to the present invention;

FIG. 8 is a schematic front view of the tool magazine mechanism of the present invention;

FIG. 9 is a perspective view of a tool magazine mechanism according to the present invention;

FIG. 10 is a perspective view of another embodiment of the magazine mechanism of the present invention;

reference numerals:

a work platform 100;

a rotating mechanism 200; a housing 210; an annular mount 220; an annular mounting table 230; a turbine ring gear 240; a worm 250; a drive module 260;

an automatic centering mechanism 300; a mounting plate 310; a first via hole 320; a four-jaw linkage chuck 330; a claw 331; a slide lever 340; a connection module 341; the second threaded rod 341 a; the second compression nut 341 b; a polygonal boss 341 c; a first chute 350; a fixed compression block 360; a second chute 370; a third chute 380; a movable compression block 390; a top compression module 391; a first threaded rod 391 a; a top platen 391 b; a long slot 391 c; a limiting block 391 d; a first gland nut 391 e; a top rod 391 f; a handle 391 g;

a gate-type support mechanism 400; an inclined surface 410; a cross member 420; a leg 430; a second mounting table 440; a U-shaped shield plate 450; a platform 460; a fence 470; a ladder stand 480;

a radial feed mechanism 500; a carrier 510; a first guide rail 520; a second guide rail 530; a first guide groove 540; a second guide groove 550; a long trough body 560; a ball screw 570; a stepping motor 580;

a linear slide table 600;

a drilling machine 700;

a tool magazine mechanism 800; a base 801; a support table 802; a main shaft 803; a star thumb wheel 804; a drive motor 805; a wheel disc 806; a deflector rod 807; a tool head disk 808; tool holder snap ring 809; an opening 810; a drill bit 811; a first mounting stage 812; mounting holes 813; a shield 814; a through-hole 815; a hook 816.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 10 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

As shown in fig. 1-10: the utility model provides a numerical control double-spindle polar coordinates high-speed drilling machine tool, includes work platform, the last rotary mechanism that is provided with of work platform, the last automatic centering mechanism that sets up of rotary mechanism drives automatic centering mechanism synchronous revolution, work platform's rear side sets up door type supporting mechanism, door type supporting mechanism's leading flank upper portion sets up the inclined plane, be bilateral symmetry on the inclined plane and set up two radial feed mechanisms, every radial feed mechanism goes up along vertical straight line slip table that sets up respectively, be provided with the drilling machine on the slider of straight line slip table, and the line of two drilling machines with the centre of rotation coincidence of automatic centering mechanism.

Specifically, as shown in fig. 1 and 2, a numerical control double-spindle polar coordinates high-speed drilling machine tool, including work platform 100, be provided with rotary mechanism 200 on the work platform 100, rotary mechanism 200 is last to set up automatic centering mechanism 300 and to drive automatic centering mechanism 300 synchronous revolution, work platform 100's rear side sets up door type supporting mechanism 400, door type supporting mechanism 400's leading flank upper portion sets up inclined plane 410, be bilateral symmetry on the inclined plane 410 and set up two radial feed mechanisms 500, set up a straight line slip table 600 respectively along vertical on every radial feed mechanism 500, be provided with drilling machine 700 on the slider of straight line slip table 600, and the line of two drilling machines 700 with the centre of rotation coincidence of automatic centering mechanism 300.

According to an embodiment of the present invention, as shown in fig. 2 and 3, the automatic centering mechanism 300 includes a mounting plate 310 disposed on the rotating mechanism 200, a first through hole 320 is formed in the center of the mounting plate 310, a four-jaw linkage chuck 330 is mounted in the center of the upper portion of the rotating mechanism 200, the four-jaw linkage chuck 330 is disposed in the first through hole 320, sliding rods 340 having an inverted T-shaped cross section are horizontally disposed at outer ends of four jaws 331 of the four-jaw linkage chuck 330 along an extending direction thereof, a first sliding slot 350 having an inverted T-shaped cross section and being matched with the sliding rod 340 is radially disposed on the mounting plate 310, a fixed pressing block 360 is disposed at an upper portion of an inner end of each sliding rod 340, the four fixed pressing blocks 360 are circularly distributed, a second sliding slot 370 having an inverted T-shaped cross section is radially disposed on the mounting plate 310 between two adjacent sliding rods 340, the top of each sliding rod 340 is provided with a third sliding groove 380 with an inverted T-shaped cross section along the length direction, the second sliding groove 370 and the third sliding groove 380 are slidably provided with an L-shaped movable pressing block 390, and the ring piece to be drilled is pressed between the fixed pressing block 360 and the movable pressing block 390.

According to an embodiment of the present invention, as shown in fig. 4, a top pressing module 391 is disposed on the top of the movable pressing block 390, the top pressing module 391 includes a first threaded rod 391a screwed on the top of the movable pressing block 390 in a vertical direction, the first threaded rod 391a is inserted into a long slot 391c on a top pressing plate 391b, a stop block 391d is disposed on the top of the first threaded rod 391a, a first pressing nut 391e is screwed on the lower portion of the first threaded rod 391a, a top rod 391f is screwed on the top of the movable pressing block 390 outside the first threaded rod 391a, the top of the top rod 391f is used for pressing against the bottom of the top pressing plate 391b, and a handle 391g is disposed on the top rod 391 f.

According to an embodiment of the present invention, as shown in fig. 5, the clamping jaw 331 is connected to the connected sliding rod 340 through a connection module 341, the connection module 341 includes a second threaded rod 341a and two second compression nuts 341b, two ends of the second threaded rod 341a are respectively screwed to the clamping jaw 331 and the end of the sliding rod 340, a polygonal boss 341c is arranged in the middle of the second threaded rod 341a, and two second compression nuts 341b are respectively screwed to two sides of the polygonal boss 341 c.

According to an embodiment of the present invention, the polygonal protrusion 341c is a triangular protrusion, and it is obvious that the polygonal protrusion 341c may be of other types, such as a quadrangular protrusion, a pentagonal protrusion, or a hexagonal protrusion.

According to an embodiment of the present invention, as shown in fig. 6, the rotating mechanism 200 includes a housing 210 disposed on the work platform 100, an annular mounting base 220 is rotatably disposed at the center of the housing 210 through a rotating shaft, an annular mounting table 230 is disposed on the annular mounting base 220, a worm gear 240 is concentrically disposed at the bottom of the annular mounting base 220, a worm 250 engaged with the worm gear 240 is rotatably disposed in the housing 210 through a shaft seat, and the worm 250 is rotatably driven by a driving module 260.

According to an embodiment of the present invention, the driving module 260 is an electric motor, and it should be apparent that the driving module 260 is not limited to the electric motor, and can also be a hydraulic motor or a pneumatic motor, and can also function to rotate the worm 250.

After the structure is adopted, before the annular part to be processed is placed on the mounting disc 310, the four clamping jaws 331 of the four-jaw linkage chuck 330 are synchronously retracted, so that the diameter of a circle defined by the front ends of the four clamping jaws 331 is smaller than the inner diameter of the annular part to be processed, and at the moment, the four fixed pressing blocks 360 are also synchronously retracted under the driving of the four clamping jaws 331; then, all the movable pressing blocks 390 are moved outwards along the radial direction according to the size of the outer diameter of the annular part to be processed so as to ensure that the outer ring of the annular part to be processed is positioned at the inner side of all the movable pressing blocks 390; then, the annular part to be machined is placed on the mounting disc 310, and the four clamping jaws 331 are located in an inner hole of the annular part to be machined; then, the four clamping jaws 331 of the four-jaw linkage chuck 330 are synchronously extended, and the four clamping jaws 331 are simultaneously tightly pressed against the inner hole wall of the annular part to be machined, so that automatic centering and primary clamping are completed; then the rotating handle 391g drives the ejector rod 391f to descend so as to loosen the top pressing plate 391b of the movable pressing block 390, and all the movable pressing blocks 390 are moved to the outer ring of the annular part to be processed, so that the inner end of the top pressing plate 391b is pressed on the upper part of the outer ring of the annular part to be processed, finally the rotating handle 391g drives the ejector rod 391f to rise so as to tightly push against the bottom of the outer end of the top pressing plate 391b, and at the moment, the bottom of the inner end of the top pressing plate 391b is firmly pressed on the outer ring of the annular part to be processed, so that the outer ring is pressed. The automatic centering clamping device can automatically center and clamp the annular part to be machined, is high in efficiency and is also suitable for automatic centering and clamping of larger annular parts to be machined.

According to an embodiment of the present invention, as shown in fig. 7, the radial feed mechanism 500 includes a carrier 510 horizontally slidably disposed on the inclined surface 410, a pair of first guide rails 520 disposed in parallel on the inclined surface 410, a second guide rail 530 parallel to the first guide rail 520 is provided on the gate type support mechanism 400 located at the lower edge of the inclined surface 410, the carrier 510 is provided with a first guide groove 540 matching with the first guide rail 520, the carrier 510 is provided with a second guide groove 550 matched with the second guide rail 530, a long groove 560 is formed on the inclined surface 410 between the pair of first guide rails 520 in parallel, a ball screw 570 is rotatably arranged in the long groove body 560 through a shaft seat, a ball nut is rotatably arranged on the ball screw 570, the carrier 510 is fixedly connected with the ball nut, and the ball screw 570 is driven by a stepping motor 580.

In this embodiment, drive a straight line slip table along vertical setting respectively through two radial feed mechanisms, and utilize the lift of straight line slip table to realize the vertical migration of drilling machine, and the line of two drilling machines and the working platform's of high-speed drilling lathe centre of turning circle coincidence, and like this, horizontal migration through radial feed mechanism just can drive corresponding drilling machine and remove along the radial of waiting to process the part, the working platform of high-speed drilling lathe only need possess the function of driving to wait to process the part rotation and need not possess the function of radial feed, work platform's the design degree of difficulty and occupation space have been reduced greatly. Meanwhile, due to the fact that the two radial feeding mechanisms are arranged and the drilling machine is arranged on each radial feeding mechanism through the vertically arranged linear sliding table, installation of the double main shafts can be achieved to improve working efficiency.

According to an embodiment of the present invention, as shown in fig. 7, the door-type supporting mechanism 400 includes a cross member 420 and two legs 430, both of which are box-shaped structures, the two legs 430 are symmetrically disposed at bottoms of both ends of the cross member 420, the cross member 420 and the cross member 420 are connected by bolts, and the inclined surface 410 is disposed at an upper portion of a front side of the cross member 420.

According to an embodiment of the present invention, as shown in fig. 7, a second mounting table 440 is provided inside the lower end of the leg 430.

According to an embodiment of the present invention, as shown in fig. 7, a U-shaped shielding plate 450 is disposed between upper portions of the two legs 430.

According to an embodiment of the present invention, as shown in fig. 7, a platform 460 is disposed at a rear side of the beam 420, and a fence 470 is disposed on the platform 460.

According to an embodiment of the present invention, as shown in fig. 7, a ladder 480 is provided at a side of the gate type support mechanism 400.

After the radial feeding mechanism and the door-shaped supporting mechanism adopt the structures, when the radial feeding mechanism and the door-shaped supporting mechanism work, the radial feeding mechanism and the door-shaped supporting mechanism are firstly installed beside a working platform of a high-speed drilling machine tool, and the connection line of the two drilling machines is ensured to be superposed with the rotation center of the working platform of the high-speed drilling machine tool, so that the installation of the radial feeding mechanism and the door-shaped supporting mechanism is completed; then, the annular part to be machined is coaxially clamped on a rotary working platform of the high-speed drilling machine tool, then the radial feeding mechanisms on the two sides synchronously move along the first guide rail and the second guide rail (namely along the radial direction of the part to be machined), and the two sides of the part to be machined can be simultaneously drilled along the radial direction by matching with the vertical movement of the linear sliding table and the high-speed drilling of the drilling machine, so that the drilling efficiency is greatly improved. In addition, when drilling operation on other diameters is needed after the drilling operation on one diameter is finished, the rotary working platform drives the part to be processed to rotate, so that the next diameter of the part to be processed is overlapped and fixed with a connecting line of the two drilling machines, and then the drilling operation on the next diameter can be carried out. Adopt two radial feed mechanisms, not only can realize the installation of two main shafts in order to increase work efficiency, every radial feed mechanism homoenergetic moreover can drive corresponding main shaft and remove along the radial of waiting to process the part, and the work platform of high-speed drilling lathe only need possess the rotatory function of the part of waiting to process of drive and need not possess the function of radial feed, has reduced work platform's the design degree of difficulty and occupation space greatly.

According to an embodiment of the present invention, as shown in fig. 1 and 8, two tool magazine mechanisms 800 are respectively disposed on the work platform 100 and located at two sides of the automatic centering mechanism 300, the tool magazine mechanisms 800 include a base 801, a support table 802 is connected to the base 801 through a bolt, a spindle 803 is rotatably disposed at a top of the support table 802, a star-shaped thumb wheel 804 is disposed on the spindle 803, a driving motor 805 having an output shaft facing the star-shaped thumb wheel 804 is disposed on the support table 802, a wheel disc 806 is disposed on an output shaft of the driving motor 805, a shift lever 807 matching with the star-shaped thumb wheel 804 is eccentrically disposed on the wheel disc 806, a tool holder disc 808 is disposed at a top of the spindle 803, tool holder clamping rings 809 matching with the star-shaped thumb wheel 804 are uniformly disposed on a circumferential surface of the tool holder disc 808, and openings 810 are disposed at front ends of the tool holder clamping rings 809, a drill 811 is clamped in the tool rest clamping ring 809.

According to an embodiment of the present invention, as shown in fig. 9, in order to facilitate mounting of the tool magazine mechanism 800 on the work table 100 of the high-speed drilling machine, the first mounting platform 812 is provided on the side surface of the base 801, and the mounting hole 813 is provided at the front end of the first mounting platform 812, so that the present invention can be mounted on the work table 100 of the high-speed drilling machine through the mounting hole 813 provided at the front end of the first mounting platform 812.

According to one embodiment of the present invention, as shown in FIG. 9, the first mounting platform 812 is a box structure in order to reduce the weight of the first mounting platform 812 without reducing the strength and rigidity of the first mounting platform 812.

According to an embodiment of the present invention, as shown in fig. 10, in order to cover the base 801 and the first mounting platform 812, a protective cover 814 is covered on the base 801 and the first mounting platform 812, a through hole 815 is formed on the protective cover 814, and the supporting platform 802 extends out of the through hole 815.

According to an embodiment of the present invention, as shown in fig. 10, in order to facilitate the integral hoisting of the tool magazine mechanism 800, a hook 816 is provided on the top of the tool tray 808, so that the whole tool magazine can be hoisted by hooking the hook 816 with a crane.

According to an embodiment of the present invention, the driving motor 805 is an electric motor, in this embodiment, the driving motor 805 is used for driving the wheel disc 806 to rotate, and further driving the star-shaped wheel 804 to intermittently rotate through the rod 807 on the wheel disc 806, it is obvious that the driving motor 805 is not limited to be used as an electric motor, and other types, such as a hydraulic motor or a pneumatic motor, can be used for the same purpose.

After the tool magazine mechanism 800 adopts the structure, various tools are loaded on the tool rest disc 808, so that automatic replacement of the tools can be realized, the labor intensity of workers is reduced, and the drilling efficiency can be improved. When the high-speed drilling machine is used, the whole body is hoisted to a working platform of the high-speed drilling machine tool through a crane hook lifting hook 816, the high-speed drilling machine tool is installed on the working platform of the high-speed drilling machine tool through an installation hole 813 formed in the front end of a first installation platform 812 to complete the whole installation, when other tools on a tool rest clamping ring 809 are needed, a driving motor 805 is started to drive a wheel disc 806 to rotate, a star-shaped poking wheel 804 is driven to rotate intermittently through a poking rod 807 on the wheel disc 806 until the tool rest clamping ring 809 right below a main shaft of a drilling machine 700 of the high-speed drilling machine tool is empty, then the main shaft of the drilling machine 700 of the high-speed drilling machine tool is driven by a vertical height moving mechanism to move to the position right above the empty tool rest clamping ring 809, and continuously descends under the driving of the vertical height moving mechanism (namely a linear sliding table 600) to clamp the tools on the main shaft into the empty tool rest clamping ring 809 and release the tools, the method comprises the steps of completing the removal of a cutter on a main shaft, then moving the main shaft of a drilling machine 700 of the high-speed drilling machine upwards for a certain distance under the driving of a vertical height moving mechanism (namely the linear sliding table 600) to stop, then starting a driving motor 805 to drive a wheel disc 806 to rotate, further driving a star-shaped shifting wheel 804 to intermittently rotate through a shifting rod 807 on the wheel disc 806 until the required cutter is opposite to the main shaft position of the drilling machine 700 of the high-speed drilling machine, then moving the main shaft of the high-speed drilling machine to be right above the required cutter under the driving of the vertical height moving mechanism (namely the linear sliding table 600), clamping the upper end of the required cutter on the main shaft, and then moving the main shaft of the drilling machine 700 of the high-speed drilling machine to be at a working position under the driving of the vertical height moving mechanism to carry out drilling operation.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. Numerical control double-spindle polar coordinate high-speed drilling machine tool is characterized in that: including work platform (100), be provided with rotary mechanism (200) on work platform (100), set up automatic centering mechanism (300) and drive on rotary mechanism (200) automatic centering mechanism (300) synchronous revolution, the rear side of work platform (100) sets up door type supporting mechanism (400), the leading flank upper portion of door type supporting mechanism (400) sets up inclined plane (410), it sets up two radial feed mechanisms (500) to be bilateral symmetry on inclined plane (410), sets up a straight line slip table (600) respectively along vertical on every radial feed mechanism (500), be provided with drilling machine (700) on the slider of straight line slip table (600), and the line of two drilling machines (700) with the centre of rotation coincidence of automatic centering mechanism (300).

2. The numerical control dual spindle polar coordinates high speed drilling machine of claim 1, wherein: automatic centering mechanism (300) is including setting up mounting disc (310) on rotary mechanism (200), first through-hole (320) have been seted up at the center of mounting disc (310), rotary mechanism (200) upper portion center is installed four-jaw linkage chuck (330), four-jaw linkage chuck (330) are located in first through-hole (320), the outer end of four jack catchs (331) of four-jaw linkage chuck (330) is provided with slide bar (340) that a cross section is the shape of falling T respectively along its extending direction level, radially set up on mounting disc (310) with slide bar (340) matched with cross section is first spout (350) of the shape of falling T, and the inner upper portion of every slide bar (340) sets up a fixed compact heap (360) respectively, and four fixed compact heap (360) are circular distribution, are located between two adjacent slide bars (340) radially set up on mounting disc (310) that the cross section is the shape of falling T second spout (350) (370) The top of each sliding rod (340) is provided with a third sliding groove (380) with an inverted T-shaped cross section along the length direction, the second sliding groove (370) and the third sliding groove (380) are provided with an L-shaped movable pressing block (390) in a sliding mode, and the ring piece to be drilled is pressed between the fixed pressing block (360) and the movable pressing block (390).

3. The numerical control dual spindle polar coordinates high speed drilling machine of claim 2, wherein: the top of the movable pressing block (390) is provided with a top pressing module (391), the top pressing module (391) comprises a first threaded rod (391a) which is in threaded connection with the top of the movable pressing block (390) along the vertical direction, the first threaded rod (391a) is inserted into a long slotted hole (391c) formed in a top pressing plate (391b), the top of the first threaded rod (391a) is provided with a limiting block (391d), the lower part of the first threaded rod (391a) is in threaded connection with a first pressing nut (391e), the top of the movable pressing block (390) located on the outer side of the first threaded rod (391a) is in threaded connection with a top rod (391f), the top of the top rod (391f) is used for pressing the bottom of the top pressing plate (391b), and a handle (391g) is arranged on the top rod (391 f).

4. The numerical control dual spindle polar coordinates high speed drilling machine of claim 2, wherein: the clamping jaw (331) is connected with the connected sliding rod (340) through a connecting module (341), the connecting module (341) comprises a second threaded rod (341a) and two second compression nuts (341b), two ends of the second threaded rod (341a) are respectively in threaded connection with the clamping jaw (331) and the end of the sliding rod (340), a polygonal boss (341c) is arranged in the middle of the second threaded rod (341a), and the two second compression nuts (341b) are respectively in threaded connection with two sides of the polygonal boss (341 c).

5. The numerical control dual spindle polar coordinates high speed drilling machine of claim 1, wherein: rotary mechanism (200) is including setting up casing (210) on work platform (100), the center of casing (210) is rotated through the pivot and is provided with annular mount pad (220), set up annular mount table (230) on annular mount pad (220), the bottom of annular mount pad (220) is provided with turbine ring gear (240) with one heart, rotate through the axle bed in casing (210) be provided with turbine ring gear (240) matched with worm (250), worm (250) are realized rotary drive by drive module (260).

6. The numerical control dual spindle polar coordinates high speed drilling machine of claim 1, wherein: the radial feeding mechanism (500) comprises a bearing body (510) horizontally arranged on the inclined surface (410) in a sliding manner, a pair of first guide rails (520) are arranged on the inclined surface (410) in parallel, a second guide rail (530) parallel to the first guide rails (520) is arranged on the door-shaped supporting mechanism (400) positioned on the lower edge of the inclined surface (410), a first guide groove (540) matched with the first guide rails (520) is arranged on the bearing body (510), a second guide groove (550) matched with the second guide rail (530) is arranged on the bearing body (510), a long groove body (560) is arranged on the inclined surface (410) and between the pair of first guide rails (520) in parallel, a ball screw (570) is rotatably arranged in the long groove body (560) through a shaft seat, and a ball nut is rotatably arranged on the ball screw (570), the bearing body (510) is fixedly connected with the ball nut, and the ball screw (570) is driven by a stepping motor (580).

7. The numerical control dual spindle polar coordinates high speed drilling machine of claim 1, wherein: door type supporting mechanism (400) are including crossbeam (420) and two landing legs (430) that are box structure, and two landing legs (430) are the symmetry and set up the both ends bottom of crossbeam (420), crossbeam (420) with be connected through the bolt between crossbeam (420), inclined plane (410) set up the front side upper portion of crossbeam (420).

8. The numerical control dual spindle polar coordinates high speed drilling machine of claim 1, wherein: the side surface of the door-shaped supporting mechanism (400) is provided with a ladder (480).

9. The numerical control dual spindle polar coordinates high speed drilling machine tool according to any one of claims 1 to 8, characterized in that: the automatic centering mechanism is characterized in that two sides of the automatic centering mechanism (300) are respectively provided with a tool magazine mechanism (800) on the working platform (100), the tool magazine mechanism (800) comprises a base (801), a supporting table (802) is connected to the base (801) through bolts, the top of the supporting table (802) is rotatably provided with a spindle (803), a star-shaped shifting wheel (804) is arranged on the spindle (803), a driving motor (805) with an output shaft facing the star-shaped shifting wheel (804) is arranged on the supporting table (802), a wheel disc (806) is arranged on the output shaft of the driving motor (805), a shifting lever (807) matched with the star-shaped shifting wheel (804) is eccentrically arranged on the wheel disc (806), a tool rest disc (808) is arranged at the top of the spindle (803), and tool rest clamping rings (809) matched with the star-shaped shifting wheel (804) are uniformly arranged on the circumferential surface of the tool rest disc (808), an opening (810) is formed in the front end of the tool rest clamping ring (809), and a drill bit (811) is clamped in the tool rest clamping ring (809).

10. The numerically controlled dual spindle polar coordinate high speed drilling machine of claim 9, wherein: the side of the base (801) is provided with a first mounting table (812), and the front end of the first mounting table (812) is provided with a mounting hole (813).

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