CN117428539A - Five vertical machining center double tool magazine structures - Google Patents

Abstract

The invention discloses a double-tool magazine structure of a five-axis vertical machining center, which comprises tool magazines arranged on a lathe, a spindle box arranged on the lathe, current tools arranged on the spindle box and a control unit arranged on the lathe, wherein the tool magazines are arranged on a plurality of standby tools, two tool magazines are respectively arranged on two sides of the spindle box, the tool magazines are also provided with mechanical arms for replacing the standby tools and the current tools, and the mechanical arms are arranged on the spindle box; the control unit controls the operation of the spindle box, the tool magazine and the manipulator. The tool changing device has the effect of improving the tool changing efficiency of the double-tool magazine structure of the five-axis vertical machining center.

Description

Five vertical machining center double tool magazine structures

Technical Field

The invention relates to the technical field of machining, in particular to a double-tool magazine structure of a five-axis vertical machining center.

Background

The five-axis vertical machining center is high-precision CNC machining equipment, can switch various cutters to cut parts, and can realize high-efficiency machining of parts with complex shapes. The five-axis vertical machining center can be widely applied to industries such as aerospace, automobile manufacturing, mold manufacturing, medical equipment and the like, and can be used for machining parts which are complex in shape, high in difficulty and high in precision. Compared with the traditional triaxial machining center, the five-axis vertical machining center has higher machining precision and machining efficiency.

The existing five-axis vertical machining center is generally composed of a lathe, a main spindle box, a workbench, an electric control system and the like. Wherein the workbench is provided with a clamp for clamping the part; the lathe is provided with a tool magazine for storing various tools; the main shaft box is controlled by the electric control system to drive a cutter cutting part arranged on the main shaft box. The lathe is provided with three linear shafts and two rotating shafts, wherein the linear shafts are used for controlling the movement of a cutter arranged on a spindle box in the three directions X, Y, Z and the feeding speed of the cutter; the rotating shaft is responsible for controlling the rotation of the clamp, so that the parts mounted on the clamp are cut at different angles, and the multi-axis three-dimensional cutting processing of the parts can be realized by controlling the movements of the five shafts and then controlling the cutting route of the cutter. Two tool magazines are typically provided in a lathe to reduce the need for tool changing at rest during machining of a part due to tool wear required in the corresponding machining step of the tool magazine.

The existing tool changing mode is to change the tool of the spindle box after the spindle box is operated near the tool magazine, and in the process of machining parts by a lathe, the tool is often replaced for a plurality of times according to the requirement of part cutting, the spindle box is operated near the tool magazine for a plurality of times, and the efficiency of machining the parts by the lathe is restricted, so that the improvement is still needed.

Disclosure of Invention

In order to improve the tool changing efficiency of the double-tool-magazine structure of the five-axis vertical machining center, the application provides the double-tool-magazine structure of the five-axis vertical machining center.

The application provides a five vertical machining center double tool magazine structure adopts following technical scheme:

the utility model provides a five vertical machining center double tool magazine structure, includes the tool magazine that sets up in the lathe, sets up in the headstock of lathe, install in current cutter on the headstock and set up in the control unit of lathe, the tool magazine sets up in a plurality of reserve cutters, the tool magazine is provided with two and two the tool magazine set up respectively in the both sides of headstock, the tool magazine still is provided with and is used for changing reserve cutter with the manipulator of current cutter, the manipulator set up in on the headstock; the control unit controls the headstock, the tool magazine and the manipulator to operate.

Through adopting above-mentioned technical scheme, set up two tool magazines respectively in the both sides of headstock and set up the manipulator on the headstock for tool magazine and manipulator move along with the motion of headstock, thereby when making needs change current cutter and spare cutter, only need be through the headstock tool withdrawal to the machined surface of part outside, reuse manipulator change current cutter and spare cutter, reduce the time of waiting to drive the headstock to change current cutter and spare cutter near former tool magazine position and wait to drive the headstock and get back to the time of workstation, thereby improve the tool changing efficiency of five vertical machining center double tool magazine structures. Simultaneously, two tool magazines are respectively arranged at two sides of the spindle box, so that the situation that the space of a lathe needs to be enlarged due to the fact that the garage is fixed to the lathe independently is reduced, and the utilization rate of the space of the lathe is improved.

Preferably, the two tool magazines are respectively recessed at two sides of the spindle box, one end, close to the current tool, of the tool magazine is provided with a tool changing edge, the tool magazine is rotatably provided with a rotating wheel, the rotating wheel is rotatably provided with a tool rest for storing the spare tool, and the rotating wheel and the tool rest are controlled by the control unit; when the tool rest rotates to a position for replacing the current tool, the control unit drives the tool rest to rotate until the spare tool extends out of the tool replacing edge, and the length direction of the spare tool is parallel to the length direction of the current tool.

Through adopting above-mentioned technical scheme, when needs change current cutter and spare cutter, rotate the spare cutter to the length direction of spare stage property unanimous with the length direction of current cutter earlier, the manipulator of being convenient for centre gripping simultaneously current cutter and spare cutter to can realize the switching of current cutter and spare cutter through rotating, be favorable to simplifying the structure of manipulator, and then reduce the space that the manipulator occupy, further improve the tool changing efficiency of five vertical machining center double magazine structures. Meanwhile, the tool magazine is sunken at two sides of the spindle box, so that the occupied space of the tool magazine is reduced.

Preferably, a driving rod is rotatably arranged at one end of the spindle box, which is close to the current cutter, the driving rod can be telescopic in the spindle box, the manipulator comprises a mechanical rod arranged at one end of the driving rod and two clamping jaws respectively arranged at two ends of the mechanical rod, and the lengths of the two ends of the mechanical rod are adjustable so that the clamping jaws can clamp the current cutter and the spare cutter; the mechanical lever and the driving lever are controlled by the control unit.

Through adopting above-mentioned technical scheme, the headstock drives the in-process of current cutter cutting part, needs to carry out the multi-angle cutting to the part, and the manipulator sets up on the headstock, and the manipulator bumps with the part in the in-process that the headstock moved around the part easily. Through setting up the length adjustable of mechanical pole and actuating lever is scalable for need not to use the manipulator to change when current stage property and reserve cutter, shrink mechanical pole's length and shrink actuating lever, thereby make the manipulator more press close to the headstock and keep away from current cutter, reduce the manipulator because of being close to current cutter with current cutter, lead to the in-process that the headstock driven current cutter cut the part, the condition that the manipulator bumps with the part is favorable to protecting manipulator and tool magazine, reduce the condition that the part damage caused the material extravagant simultaneously.

Preferably, the current cutter and the spare cutter are both provided with annular grooves, the clamping jaws comprise rear end clamping plates arranged at two ends of the mechanical rod and front end clamping plates arranged at two ends of the rear end clamping plates, the rear end clamping plates are semicircular, each front end clamping plate is arranged at the end part of each rear end clamping plate in a rotating mode, and when the mechanical rod extends to the two ends of the mechanical rod and the clamping jaws clamp the current cutter and the spare cutter, the front end clamping plates and the rear end clamping plates encircle the annular grooves of the current cutter and the spare prop and are clamped in the annular grooves so as to clamp the current cutter and the spare cutter.

Through adopting above-mentioned technical scheme, when the both ends of extension mechanical arm to clamping jaw centre gripping current cutter and spare cutter, front end splint and rear end splint encircle the annular, and in front end splint and the short clamp lever card go into the annular for clamping jaw presss from both sides tight current cutter and spare cutter, reduces the in-process that current cutter and spare cutter were changed to the manipulator, and the condition that shakes and squints or drop is taken place to lead to current cutter and spare cutter because of the manipulator vibration, thereby improves the in-process that current cutter and spare cutter were changed to the manipulator, current cutter and spare cutter's stability.

Preferably, the front end splint with the rear end splint junction rotates and is provided with the articulated lever, the front end splint with the rear end splint rotates and sets up on the articulated lever, the articulated lever is provided with and is used for the drive to set up same two on the rear end splint the elastic component that the front end splint is close to each other, just the articulated lever still is provided with the restriction set up same two on the rear end splint the restriction piece of front end splint mutual butt.

Through adopting above-mentioned technical scheme, utilize the elastic component drive to set up two front end splint on same root rear end splint and be close to each other for behind clamping jaw centre gripping current cutter and the spare cutter, front end splint receive the drive of elastic component and close, thereby make clamping jaw clamp current cutter and spare cutter, reduce the condition of using the control unit control front end splint motion, be favorable to simplifying the structure of clamping jaw. And simultaneously limiting the abutting of the front clamping plate to cause the clamping jaw to be closed, so that the mechanical rod can be conveniently extended to drive the clamping jaw to be sleeved into the annular grooves of the current cutter and the spare cutter.

Preferably, a groove is formed at the joint of the front end clamping plate and the rear end clamping plate, the limiting piece is a limiting plate arranged at the joint of the rear end clamping plate and the front end clamping plate, the limiting plate is positioned in the groove, one end of the elastic piece is fixedly arranged with the limiting plate, the other end of the elastic piece is fixedly arranged with the side wall of the groove away from the limiting plate, and the elastic piece is in a compressed state; when the elastic piece drives the limiting plate to be abutted with the side wall of the groove, a distance is reserved between the two front end clamping plates arranged on the same rear end clamping plate.

Through adopting above-mentioned technical scheme, will set up the limiting plate on the rear end splint and set up in the recess, the lateral wall butt of reuse elastic component drive limiting plate orientation recess to the restriction sets up two front end splint on same rear end splint and leaves the interval, simple structure is favorable to reducing the cost of preparation clamping jaw. Meanwhile, when the mechanical rod stretches to drive the clamping jaw to jack into the annular grooves of the current cutter and the standby cutter, the front-end clamping plate is opened by compressing the elastic piece, the condition that the front-end clamping plate is controlled by the control unit is reduced, the structure of the clamping rod is further simplified, and the manufacturing cost of the clamping jaw is reduced.

Preferably, two front end clamping plates arranged on the same rear end clamping plate are far away from one another, and one ends of the front end clamping plates far away from the rear end clamping plates are far away from one another to form an opening shape.

Through adopting above-mentioned technical scheme, when the mechanical arm extends to the annular of drive clamping jaw jack-in current cutter and reserve cutter, front end splint open and be convenient for accept current cutter and reserve cutter, and the front end splint of being convenient for opens, reduces the front end splint because of the interval is little, and limiting plate is cracked condition easily under the pressure of current cutter, reserve cutter and rear end splint, is favorable to protecting limiting plate and front end splint, reduces the wearing and tearing between front end splint and the annular cutter simultaneously.

Preferably, one side of the rotating wheel far away from the bottom wall of the tool magazine is further provided with a clamping wheel for clamping the spare tool, the clamping wheel and the rotating wheel coaxially rotate, and the clamping wheel is circumferentially provided with a plurality of clamping jaws for clamping the spare tool.

Through adopting above-mentioned technical scheme, the runner rotates the in-process, and the knife rest takes place to rotate easily under the action of the gravity of reserve stage property, through setting up joint wheel and clamping jaw centre gripping reserve cutter, is favorable to improving reserve cutter's stability.

Preferably, when the control unit drives the tool rest to rotate until the length direction of the spare tool is parallel to the length direction of the current tool, the ring groove arranged on the current prop and the ring groove arranged on the spare tool are at the same height.

Through adopting above-mentioned technical scheme for actuating lever extension is in same height to clamping jaw and annular, and current cutter of centre gripping and spare cutter can be simultaneously held at the both ends of extension mechanical arm again, avoids separately holding current cutter and spare cutter's work, further improves the tool changing efficiency of five vertical machining center double tool magazine structures.

Preferably, two driving rods are arranged, the two driving rods are respectively positioned between the current cutter and the two cutter libraries, and the driving rods are positioned at the middle positions of the current cutter and the cutter changing edge; the number of the mechanical arms is two, and the two mechanical arms are respectively arranged on the two driving rods.

Through adopting above-mentioned technical scheme, reduce the work that needs drive manipulator to remove, change the spare cutter in two tool stores, two manipulators are used for changing the spare cutter in two tool stores respectively simultaneously, compare in using the cutter of two tool stores of manipulator change, reduce the volume of manipulator more easily to further reduce the space that the manipulator occupy. Meanwhile, the driving rod is positioned at the middle position of the current cutter and the replacement edge, so that after the manipulator clamps the current cutter and the spare cutter, the current cutter and the spare cutter can be replaced by rotating the driving rod, and the work of the end part of the telescopic mechanical rod is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two tool magazines are respectively arranged on the two sides of the spindle box and the manipulator is arranged on the spindle box, so that the tool magazines and the manipulator move along with the movement of the spindle box, when the current tool and the spare tool are required to be replaced, the tool is withdrawn to the outside of the processing surface of the part only through the spindle box, then the current tool and the spare tool are replaced by the manipulator, the time for waiting to drive the spindle box to the position nearby the original tool magazine to replace the current tool and the spare tool and the time for waiting to drive the spindle box to return to the workbench are reduced, and the tool changing efficiency of the double tool magazine structure of the five-axis vertical machining center is improved; meanwhile, the situation that the space of the lathe needs to be enlarged due to the fact that the garage is fixed to the lathe independently is reduced, and the utilization rate of the space of the lathe is improved.

2. Through setting up annular, front end splint and rear end splint rotation connection, elastic component, restriction board and front end splint are the opening form in the one side of keeping away from the rear end splint for the clamping jaw is convenient for encircle annular and the snap-in annular of current cutter and spare cutter, thereby presss from both sides tight current cutter and spare cutter. And simultaneously limiting the front end clamping plate to be abutted and limiting the front end clamping plate to be open on one side far away from the rear end clamping plate, so that the clamping jaw is easy to clamp into the annular groove under pressure.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a five-axis vertical machining center with a double tool magazine structure mounted on a lathe.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic diagram of the overall structure of the dual tool magazine structure provided on the spindle.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is a schematic view of the internal structure of the manipulator clamping the current tool and the spare tool.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Reference numerals illustrate:

1. a lathe; 11. a control unit; 12. a work table; 2. a spindle box; 21. a driving rod; 3. a tool magazine; 31. a rotating wheel; 311. a rotating port; 312. a rotating lever; 32. a clamping wheel; 33. a rotating shaft; 34. a tool holder; 35. a knife edge is replaced; 41. a current cutter; 42. a spare cutter; 43. a ring groove; 5. a manipulator; 51. a clamping jaw; 511. a rear end clamping plate; 512. a front end clamping plate; 52. a mechanical lever; 53. a telescopic rod; 54. a hinge strip; 541. a groove; 542. an elastic member; 543. a limiting plate; 55. a receiving plate; 56. and a hinge rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a five vertical machining center double tool magazine structure. Referring to fig. 1 to 3, the five-axis vertical machining center double magazine structure includes a magazine 3 provided to a lathe 1, a headstock 2 provided to the lathe 1, a current cutter 41 mounted on the headstock 2, and a control unit 11 provided to the lathe 1, the headstock 2 being mounted with the current cutter 41 in a longitudinal direction and at one end of the headstock 2 near a table 12 of the lathe 1, the current cutter 41 being mounted at an intermediate position of one end of the headstock 2 near the table 12 of the lathe 1. The tool magazine 3 is provided with two, and two tool magazines 3 are sunken in the both sides along width direction of headstock 2 respectively, and tool magazine 3 is rectangular slot form, and the both ends along length direction of tool magazine 3 are flush and the opening setting with the both ends along length direction of headstock 2 respectively, and the opening that the tool magazine 3 is close to the one end of current cutter 41 sets up to trade edge 35. The tool magazine 3 is rotatably provided with a rotating wheel 31 and a clamping wheel 32, the rotating wheel 31 is rotatably connected with a tool rest 34, a spare tool 42 is mounted on the tool rest 34, the tool rest 34 is rotatably connected to the rotating wheel 31, and the tool magazine 3 is further provided with a manipulator 5 for sliding the current tool 41 and the spare tool 42. The control unit controls the spindle box 2, the tool magazine 3 and the manipulator 5 to operate.

Referring to fig. 3 and 4, the bottom wall of the magazine 3 is rotatably connected with a rotating shaft 33, the rotating shaft 33 is controlled by the control unit 11, the rotating shaft 33 is positioned at one side of the magazine 3 close to the current cutter 41, the rotating wheel 31 and the clamping wheel 32 are fixed on the rotating shaft 33, the clamping wheel 32 is positioned at one side of the rotating wheel 31 far away from the bottom wall of the magazine 3, and the control unit 11 drives the rotating wheel 31 and the clamping wheel 32 to synchronously rotate by controlling the rotating shaft 33 to rotate. The rotating wheel 31 is spaced from the bottom wall of the tool magazine 3, and the rotating wheel 31 is spaced from the clamping wheel 32.

Referring to fig. 3 and 4, eight rotation ports 311 are recessed in the circumferential side wall of the wheel 31, and the eight rotation ports 311 are uniformly distributed in the circumferential direction of the wheel 31. The side opening that rotates the mouth 311 is close to the diapire of tool magazine 3 and is kept away from the diapire of tool magazine 3 sets up, and rotates the lateral wall rotation of mouth 311 and be connected with mechanical pole 52, and mechanical pole 52 is controlled by control unit 11, and mechanical pole 52 is along the lateral wall rotation connection of the both ends of mouth 311 along length direction with rotation respectively at the both ends of length direction. Each rotating wheel 31 is rotatably connected with eight tool holders 34, the eight tool holders 34 are respectively sleeved on eight mechanical rods 52, the tool holders 34 are fixedly connected with the mechanical rods 52, and each tool holder 34 is provided with a spare tool 42. When the replacement of the current cutter 41 and the spare cutter 42 is required, the control unit 11 drives the cutter holder 34 to rotate into the replacement edge 35 by controlling the rotation of the driving rod 21, so that the spare cutter 42 rotates to be parallel to the current cutter 41.

Referring to fig. 3 and 4, eight card interfaces (not shown) are recessed in the circumferential side wall of the clamping wheel 32, the eight card interfaces are uniformly distributed along the circumferential direction of the clamping wheel 32, and the eight card interfaces are respectively opposite to the eight rotating ports 311. The opening of one side of the clamping interface close to the bottom wall of the tool magazine 3 and one side of the clamping interface far away from the bottom wall of the tool magazine 3 is arranged, and the clamping interface is arc-shaped. The clamping jaw 51 is fixed on the clamping interface, and in this embodiment, the clamping jaw 51 comprises a rear clamping plate 511 fixed on the side wall of the clamping interface and a front clamping plate 512 rotatably connected to two ends of the rear clamping plate 511.

Referring to fig. 5, the rear clamping plate 511 has a semicircular arc shape, and the axis of the rear clamping plate 511 coincides with the axis of the card interface. The front clamping plate 512 is arc-shaped, the arc length of the front clamping plate 512 is one fourth of the arc length of the rear clamping plate 511, and two axial ends of the front clamping plate 512 are respectively flush with two axial ends of the rear clamping plate 511.

Referring to fig. 5 and 6, the rear clamping plate 511 is rotatably connected with a hinge rod 56, hinge bars 54 protrude from one side of the rear clamping plate 511 and one side of the front clamping plate 512 which are close to each other in the circumferential direction, the length of each hinge bar 54 is one half of the length of the rear clamping plate 511, the hinge bars 54 protruding from the rear clamping plate 511 and the hinge bars 54 protruding from the front clamping plate 512 are sleeved on the hinge rod 56, the rear clamping plate 511 and the front clamping plate 512 are rotatably connected through the hinge bars 54 and the hinge rod 56, and one ends, away from each other, of the hinge bars 54 protruding from the rear clamping plate 511 and the hinge bars 54 protruding from the front clamping plate 512 are respectively flush with two ends of the rear clamping plate 511 in the axial direction, and the hinge bars 54 protruding from the rear clamping plate 511 and the hinge bars 54 protruding from the front clamping plate 512 are mutually abutted. The front end clamping plates 512 are further fixed with elastic members 542 for driving the two front end clamping plates 512 disposed on the same rear end clamping plate 511 to approach each other, and the rear end clamping plate 511 is further provided with a limiting member for limiting the two front end clamping plates 512 disposed on the same rear end clamping plate 511 to abut each other.

Referring to fig. 5 and 6, the hinge strip 54 protruding from the front end clamp plate 512 is recessed with a groove 541 near the side of the hinge strip 54 protruding from the rear end clamp plate 511, the groove 541 is curved, and the groove 541 is located at the side of the hinge strip 54 protruding from the front end clamp plate 512 near the hinge rod 56. In this embodiment, the limiting member is a limiting plate 543 fixed on the side surface of the hinge strip 54 of the rear end clamping plate 511, which is close to the hinge strip 54 of the front end clamping plate 512, the limiting plate 543 is located in the groove 541, the elastic member 542 is a spring, one end of the elastic member 542 is fixedly connected with one end side wall of the groove 541 along the axial direction, the other end is fixedly connected with one side of the limiting plate 543 along the thickness direction, the spring is always in a compressed state, and the limiting plate 543 is driven to abut against one side of the groove 541 along the axial direction and away from the side wall fixed with the elastic member 542.

Referring to fig. 2 and 4, curved surfaces of the current cutter 41 and the spare cutter 42 are each recessed with an annular groove 43, the diameter of the annular groove 43 is identical to the diameter of the rear end clamping plate 511, and the width of the annular groove 43 is identical to the length of the rear end clamping plate 511. For the clamping jaw 51 to grip the current tool 41 and the spare tool 42 through the ring groove 43. When the limiting plate 543 abuts against one side of the groove 541 in the axial direction and away from the side wall fixed to the elastic member 542, the axis of the front end clamping plate 512 coincides with the axis of the rear end clamping plate 511, and the front end clamping plate 512 and the rear end clamping plate 511 form a cylindrical shape with a cross section of three quarters, so that after the clamping jaw 51 clamps the front cutter 41 and the spare cutter 42, the front end clamping plate 512 and the rear end clamping plate 511 encircle the annular groove 43 and are clamped into the annular groove 43. When the elastic member 542 is compressed to a limit state, the distance between the ends of the front clamping plates 512 away from the rear clamping plate 511 is larger than the diameter of the rear clamping plate 511, so that the clamping jaw 51 is clamped in the ring groove 43.

Referring to fig. 4 and 5, a receiving plate 55 is further fixed to a side of the front end clamping plate 512 away from the rear end clamping plate 511, the receiving plate 55 is in a rectangular plate shape, and two ends of the receiving plate 55 along the length direction are respectively flush with two ends of the front end clamping plate 512 along the axial direction. The two receiving plates 55 are disposed away from each other on a side away from the front clamping plate 512 and are open to facilitate the spare tool 42 to open the front clamping plate 512 against the elastic force of the elastic member 542 under the driving force of the rotation of the tool rest 34.

Referring to fig. 1 and 2, one end of the headstock 2, on which the current tool 41 is mounted, is rotatably connected with a driving rod 21, the driving rod 21 is in a cylindrical rod shape, an axial direction of the driving rod 21 is consistent with a length direction of the headstock 2, the headstock 2 is further provided with a driving hole (not shown in the drawings) through which the driving rod 21 extends into and out of the headstock 2, and the control unit 11 controls the driving rod 21 to rotate and controls the driving rod 21 to extend into and out of the driving hole. There are two drive holes, which are located between the current cutter 41 and the two exchanging edges 35, respectively, and which are located in the intermediate positions of the current cutter 41 and the spare cutter 42 when the control unit 11 drives the tool holder 34 to rotate to the position where the spare cutter 42 is parallel to the current cutter 41. The number of the driving rods 21 is two, and the two driving rods 21 are respectively positioned in the two driving holes.

Referring to fig. 1 and 2, there are two manipulators 5, and the two manipulators 5 are fixed to the two driving rods 21, respectively. In this embodiment, the manipulator 5 includes a mechanical rod 52 fixedly connected to one end of the driving rod 21 away from the headstock 2, and two clamping jaws 51 movably connected to two ends of the mechanical rod 52 along the length direction, where the driving rod 21 is fixedly connected to a middle position of the mechanical rod 52 along the length direction. The mechanical rod 52 is movably connected with a telescopic rod 53 at two ends along the length direction, the mechanical rod 52 is sleeved on the telescopic rod 53, and the control unit 11 controls the telescopic rod 53 to extend into or out of the mechanical rod 52. The two clamping jaws 51 are respectively fixed to one ends of the two telescopic rods 53 far from the mechanical rod 52, and the rear clamping plate 511 is fixed to the end of the telescopic rod 53 at an axially intermediate position and an axially intermediate position. When the control unit 11 drives the tool rest 34 to rotate until the spare tool 42 is parallel to the current tool 41, the annular groove 43 arranged on the current tool 41 and the annular groove 43 arranged on the spare tool 42 are at the same height, so that the manipulator 5 can clamp the current tool 41 and the spare tool 42 simultaneously.

The implementation principle of the double-tool magazine structure of the five-axis vertical machining center is as follows:

when the spare cutter 42 and the current cutter 41 need to be replaced, the spindle box 2 is driven to retract until the current cutter 41 is separated from the part; the control unit 11 drives the rotating shaft 33 to rotate until the spare cutter 42 to be replaced is rotated to be opposite to the replacement edge 35; the tool holder 34 with the spare tool 42 to be changed is then driven in rotation by the control unit 11 until the spare tool 42 to be changed is rotated to be flush with the current tool 41, at which time the ring groove 43 of the current tool 41 is at the same level as the ring groove 43 of the spare tool 42.

Then the driving rod 21 between the tool magazine 3 needing tool changing and the current tool 41 is driven by the control unit 11 to extend out of the spindle box 2 until the manipulator 5 is flush with the annular groove 43 of the current tool 41; the drive rod 21 is then driven in rotation by the control unit 11 until the two clamping jaws 51 respectively face the annular groove 43 of the current tool 41 and the annular groove 43 of the spare tool 42; the telescopic rod 53 is then driven by the control unit 11 to extend beyond the mechanical rod 52 until the two jaws 51 snap into the annular groove 43 of the current knife 41 and the annular groove 43 of the spare knife 42, respectively.

Then the control unit 11 is used for loosening the current cutter 41 and the cutter rest 34, loosening the standby cutter 42 and driving the driving rod 21 to extend out of the main spindle box 2 until the current cutter 41 is detached from the main spindle box 2 and the standby cutter 42 is detached from the cutter rest 34; then the control unit 11 drives the driving rod 21 to rotate 180 degrees, so that the exchange of the current cutter 41 and the standby prop is realized; subsequently, the driving rod 21 is driven by the control unit 11 to extend into the spindle box 2 until the replaced current cutter 41 is mounted on the spindle box 2 and the replaced spare cutter 42 is mounted on the cutter rest 34; the telescopic rod 53 is driven to retract into the mechanical rod 52, the driving rod 21 is driven to rotate 90 degrees, and the driving rod 21 is driven to extend into the spindle box 2 to the limit position; the tool holder 34 is then driven to rotate until the replaced spare tool 42 snaps into the jaw 51 of the snap wheel 32. And then the cutting of the part can be continued.

The double tool magazines 3 are respectively sunken at two sides of the spindle box 2, the rotating wheel 31, the clamping wheel 32, the tool rest 34, the tool changing edge 35 and the mechanical arm 5, so that the tool magazines 3 synchronously move along with the spindle box 2, the occupied space of the tool magazines 3 is reduced, and meanwhile, the rotating wheel 31 and the double tool magazines 3 increase the storage capacity of the spare tools 42; simultaneously, the clamping wheel 32 and the tool rest 34 improve the stability of the spare tool 42; the tool changing edge 35 and the tool rest 34 are arranged in a rotating mode at the same time, and the current tool 41 and the standby tool 42 are convenient to change.

By providing the ring groove 43, the rotational connection of the front end clamping plate 512 and the rear end clamping plate 511, the elastic member 542, the restricting plate 543, and the receiving plate 55, the clamping jaw 51 is made to surround the ring groove 43 of the present cutter 41 and the standby cutter 42 and to be snapped into the ring groove 43, thereby clamping the present cutter 41 and the standby cutter 42. At the same time, the limiting plate 512 is limited to abut against the front end clamping plate 55 and the receiving plate 55 is opened, so that the clamping jaw 51 is easy to clamp into the annular groove 43 under pressure.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, 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 five vertical machining center double tool magazine structure, includes tool magazine (3) that set up in lathe (1), set up in headstock (2) of lathe (1), install current cutter (41) on headstock (2) and set up in control unit (11) of lathe (1), characterized in that, tool magazine (3) set up in a plurality of reserve cutter (42), tool magazine (3) are provided with two and two tool magazine (3) set up respectively in the both sides of headstock (2), tool magazine (3) still are provided with and are used for changing reserve cutter (42) with manipulator (5) of current cutter (41), manipulator (5) set up in on headstock (2); the control unit (11) controls the spindle box (2), the tool magazine (3) and the manipulator (5) to operate.

2. The five-axis vertical machining center double-tool magazine structure according to claim 1, wherein two tool magazines (3) are respectively recessed at two sides of the spindle box (2), a tool changing edge (35) is formed at one end, close to the current tool (41), of the tool magazine (3), a rotating wheel (31) is rotatably arranged on the tool magazine (3), a tool rest (34) for storing the spare tool (42) is rotatably arranged on the rotating wheel (31), and the rotating wheel (31) and the tool rest (34) are controlled by the control unit (11); when the tool rest (34) rotates to a position for replacing the current tool (41), the control unit (11) drives the tool rest (34) to rotate until the spare tool (42) extends out of the replacement tool edge (35) and is parallel to the length direction of the spare tool (42) and the length direction of the current tool (41).

3. The five-axis vertical machining center double-tool magazine structure according to claim 2, wherein a driving rod (21) is rotatably arranged at one end of the spindle box (2) close to the current tool (41), the driving rod (21) can be telescopic in the spindle box (2), the mechanical arm (5) comprises a mechanical rod (52) arranged at one end of the driving rod (21) and two clamping jaws (51) respectively arranged at two ends of the mechanical rod (52), and the lengths of the two ends of the mechanical rod (52) can be adjusted so that the clamping jaws (51) can clamp the current tool (41) and the spare tool (42); the mechanical lever (52) and the drive lever (21) are controlled by the control unit (11).

4. A five-axis vertical machining center double-magazine structure according to claim 3, wherein the current tool (41) and the spare tool (42) are provided with ring grooves (43), the clamping jaws (51) comprise rear end clamping plates (511) arranged at two ends of the mechanical rod (52) and front end clamping plates (512) arranged at two ends of the rear end clamping plates (511), the rear end clamping plates (511) are semicircular, the front end clamping plates (512) are rotatably arranged at the end parts of each rear end clamping plate (511), and when the two ends of the mechanical rod (52) are extended to the clamping jaws (51) to clamp the current tool (41) and the spare tool (42), the front end clamping plates (512) and the rear end clamping plates (511) encircle the ring grooves (43) of the current tool (41) and the spare tool and are clamped into the ring grooves (43) so as to clamp the current tool (41) and the spare tool (42).

5. The five-axis vertical machining center double-tool magazine structure according to claim 4, wherein a hinge rod (56) is rotatably arranged at the joint of the front end clamping plate (512) and the rear end clamping plate (511), the front end clamping plate (512) and the rear end clamping plate (511) are rotatably arranged on the hinge rod (56), the hinge rod (56) is provided with an elastic piece (542) for driving two front end clamping plates (512) arranged on the same rear end clamping plate (511) to approach each other, and the hinge rod (56) is further provided with a limiting piece for limiting the two front end clamping plates (512) arranged on the same rear end clamping plate (511) to abut each other.

6. The five-axis vertical machining center double-tool magazine structure according to claim 5, wherein a groove (541) is formed at the joint of the front end clamping plate (512) and the rear end clamping plate (511), the limiting piece is a limiting plate (543) arranged at the joint of the rear end clamping plate (511) and the front end clamping plate (512), the limiting plate (543) is located in the groove (541), one end of the elastic piece (542) is fixedly arranged with the limiting plate (543), the other end of the elastic piece (542) is fixedly arranged with the side wall of the groove (541) away from the limiting plate (543), and the elastic piece (542) is in a compressed state; when the elastic piece (542) drives the limiting plate (543) to be abutted against the side wall of the groove (541), a distance is reserved between the two front end clamping plates (512) arranged on the same rear end clamping plate (511).

7. The dual magazine structure of a five-axis vertical machining center according to any one of claims 4 to 6, wherein two front clamping plates (512) disposed on the same rear clamping plate (511) are open at ends far away from each other from the rear clamping plate (511).

8. A five-axis vertical machining center double-tool magazine structure according to claim 3, wherein a clamping wheel (32) for clamping the spare tool (42) is further arranged on one side, away from the bottom wall of the tool magazine (3), of the rotating wheel (31), the clamping wheel (32) and the rotating wheel (31) rotate coaxially, and a plurality of clamping jaws (51) are arranged on the clamping wheel (32) along the circumferential direction and used for clamping the spare tool (42).

9. The dual tool magazine structure of a five-axis vertical machining center according to claim 4, wherein when the control unit (11) drives the tool rest (34) to rotate until the length direction of the spare tool (42) is parallel to the length direction of the current tool (41), the ring groove (43) provided in the current prop is at the same height as the ring groove (43) provided in the spare tool (42).

10. The five-axis vertical machining center double-tool magazine structure according to claim 9, wherein two driving rods (21) are arranged, the two driving rods (21) are respectively arranged between the current tool (41) and the two tool magazines (3), and the driving rods (21) are arranged at the middle positions of the current tool (41) and the tool changing edge (35); the number of the mechanical arms (5) is two, and the two mechanical arms (5) are respectively arranged on the two driving rods (21).