CN113927055A

CN113927055A - Novel servo power tool turret structure capable of automatically exchanging tools and use method

Info

Publication number: CN113927055A
Application number: CN202111168808.7A
Authority: CN
Inventors: 黄恒; 陈虎; 蔡春刚; 汤洪涛; 王顺利; 张伟; 贺磊
Original assignee: Shaanxi Kede Cnc Technology Co ltd
Current assignee: Shaanxi Kede Cnc Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-14

Abstract

The invention discloses a novel servo power cutter tower structure capable of automatically exchanging cutters and a use method thereof, wherein one end of a cutter tower box is coaxially supported and connected with a cutter head through a bearing, a plurality of cutter seat assemblies are fixed on the periphery of the cutter head, one radial side of the cutter head is provided with a driving position, the other radial side of the cutter head is provided with a cutter changing position, a cavity is arranged in the cutter tower box, a cutter driving assembly is fixed in the cavity of the cutter tower box, one end of the cutter driving assembly is meshed with the cutter seat assembly of the driving position, the cutter changing driving assembly is fixed on the upper end surface of the cutter tower box, one end of the cutter changing driving assembly is meshed with the cutter head, the cutter changing driving assembly drives the cutter head to rotate, a piston fluted disc inner ring is coaxially arranged on one side of the cutter tower box close to the cutter head, a piston fluted disc outer ring is meshed with the inner wall of the cutter head, the piston fluted disc is externally connected with a hydraulic system, and the hydraulic system drives the piston fluted disc to move left and right to separate or lock the cutter head, and the cutter driving assembly, the cutter holder assembly and the cutter changing driving assembly are respectively electrically connected with the control assembly.

Description

Novel servo power tool turret structure capable of automatically exchanging tools and use method

Technical Field

The invention belongs to the technical field of machine tool equipment, and particularly relates to a novel servo power turret structure capable of automatically exchanging cutters and a use method thereof.

Background

At present, the international machine tool market is developing towards the direction of high speed, compounding, intelligence and environmental protection, and the power tool turret serving as one of main functional parts of the horizontal turning center is late in start, few in manufacturers and low in market share in China, and the development of the horizontal turning center is restricted to a certain extent. In the world of machine tool manufacturing and machining, composite machining technology is increasingly recognized and applied to practice with its unique appeal.

The horizontal turning center is equipment which is universal for the machining industry at home at present and has very wide application. The core component of the hardware part of the horizontal turning center is a tool turret, the horizontal turning center can be matched with a numerical control system to finish various rotary machining processes through a machining tool clamped on the tool turret, and the utilization rate is the first in all machining equipment.

The power tool turret and the electric spindle are praised as the development direction of a 21 st century numerical control machine tool, the power tool turret is a core functional component of a turning and milling composite turning center, and intensive workpiece processing can be realized only by matching the power tool turret with a horizontal turning center, namely, the processing of working procedures of turning, milling, drilling, tapping, boring, reaming and the like of a workpiece is realized by one-time clamping. The method has the advantages that firstly, the processing precision of the complex workpiece is obviously improved, the turnover time and the occupied area of a semi-finished product are reduced, and the process flow of the whole workpiece is shortened; and secondly, unimportant and complicated repeated work operation is reduced, the labor intensity of an operator is reduced, and the labor environment is correspondingly improved. Meanwhile, the efficiency consumption is reduced, and the method is a development direction for manufacturing green machine tools.

The core components of the existing horizontal turning center are usually a hydraulic turret, a servo turret and a power turret, the turret can only be provided with limited tool holders, and 12 tool holders (fixed tool holders or power tool holders) are generally arranged, so that more tool holders cannot be arranged, and complicated part processing and automatic processing cannot be realized due to the limitation of the number of tools; and the tool apron is replaced each time by closing the manual tool change of the machine tool and the worker needs to stretch the body into the machine tool for replacement, so that the labor intensity and danger of the operator are increased, the use efficiency of the machine tool is influenced, and the processing time of parts is prolonged.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a novel servo power tool turret structure capable of automatically exchanging tools and a using method thereof.

In order to solve the technical problem, the technical scheme of the invention is as follows: a novel servo power tool turret structure capable of automatically exchanging tools comprises a tool driving assembly, a tool changing driving assembly, a tool apron assembly, a piston fluted disc, a tool turret box and a control assembly, wherein one end of the tool turret box is coaxially supported and connected with the tool disc through a bearing, the tool disc is circumferentially fixed with a plurality of tool apron assemblies, one radial side of the tool disc is a driving position, the other radial side of the tool disc is a tool changing position, a cavity is arranged in the tool turret box, the tool driving assembly is fixed in the cavity of the tool turret box, one end of the tool changing driving assembly is meshed with the tool apron assembly of the driving position, the tool changing driving assembly is fixed on the upper end surface of the tool turret box, one end of the tool changing driving assembly is meshed with the tool disc, the tool changing driving assembly drives the tool disc to rotate, an inner ring of the piston fluted disc is coaxially arranged on one side, close to the tool turret box, an outer ring of the piston fluted disc is meshed with the inner wall of the tool disc, and the piston fluted disc is externally connected with a hydraulic system, the hydraulic system drives the piston fluted disc to move left and right so as to separate or lock the cutterhead, and the cutter driving assembly, the cutter holder assembly and the cutter changing driving assembly are respectively and electrically connected with the control assembly; when a tool needs to be changed, the piston fluted disc is driven by the hydraulic system to move leftwards so as to be separated from the cutter disc, and the tool changing driving assembly drives the tool apron assembly to rotate to the driving position to realize tool changing.

Preferably, the cutter driving assembly comprises a milling servo motor, a coupler, a first angular contact ball bearing, a transmission shaft, a motor bevel gear, a second angular contact ball bearing, a milling bevel gear and a third angular contact ball bearing, the milling servo motor is locked in a cutter tower box through screws, the transmission shaft and the milling servo motor are coaxially connected through the coupler, the periphery of the transmission shaft is supported on the cutter tower box through the first angular contact ball bearing, the other end of the transmission shaft is in key connection with the motor bevel gear, the motor bevel gear is in gear tooth engagement with the milling bevel gear, the motor bevel gear is axially vertical to the milling bevel gear, the periphery of the motor bevel gear is supported in the cutter tower box through the second angular contact ball bearing, and the periphery of the milling bevel gear is supported on the cutter tower box through the third angular contact ball bearing.

Preferably, tool changing drive assembly includes tool changing motor, motor gear, fixed fluted disc and rotatory fluted disc, the tool changing motor passes through screw locking at tool tower case up end, and tool changing motor power take off end passes through the key-type connection with the motor gear, tool tower case periphery is close to blade disc department and has fixed fluted disc through screw locking, and the blade disc is close to tool tower case one end circumference and has rotatory fluted disc through screw locking, rotatory fluted disc outer lane and motor gear meshing, rotatory fluted disc inner circle and fixed fluted disc meshing.

Preferably, there is the cavity between piston fluted disc and the blade disc, hydraulic system passes through hydraulic oil and promotes the piston fluted disc and remove about, and when the piston fluted disc removed to the left side, piston fluted disc outer lane and blade disc inner wall sawtooth separated, when the piston fluted disc removed to the right side, piston fluted disc outer lane and blade disc inner wall sawtooth locking.

Preferably, the radial lower side of the cutter head is provided with a driving position, a cutter holder component of the driving position is in key connection with the milling bevel gear, the radial upper side of the cutter head is provided with a cutter changing position, and the cutter holder component of the cutter changing position is matched with an ATC tool magazine of a machine tool for tool changing.

Preferably, the blade holder subassembly is including milling transmission shaft, fourth corner contact ball bearing and milling blade holder transmission shaft, and the milling transmission shaft periphery is installed in the blade disc through the bearing cooperation, it is provided with the recess to mill bevel gear bottom, mills the transmission shaft top and is provided with first arch, and recess and first protruding cooperation make mill the transmission shaft and mill bevel gear key-type connection, mill the transmission shaft other end and mill blade holder transmission shaft key-type connection, mill blade holder transmission shaft periphery and install in the blade disc through the cooperation of fourth angular contact ball bearing, mill the blade holder transmission shaft other end and gyration blade holder key-type connection.

Preferably, the rotary tool apron is a Z-direction rotary tool or an X-direction rotary tool.

Preferably, the cutter head is provided with a replaceable cutter seat assembly, the replaceable cutter seat assembly comprises a first transmission gear, a deep groove ball bearing, a cutter seat cover, a cutter seat shaft body, a fifth angle contact ball bearing, a bearing spacer ring, a second transmission gear, a pulling claw, a disc spring, a pull rod, an X-direction rotary cutter, a cutter handle main shaft and a disc spring shaft collar, the cutter seat shaft body is locked on the cutter head through a screw, the cutter seat cover is locked on the upper end surface of the cutter seat shaft body through a screw, the cutter handle main shaft is coaxially arranged in the cutter seat shaft body, the periphery of the cutter handle main shaft is sequentially sleeved with the fifth angle contact ball bearing, the bearing spacer ring and the second transmission gear from top to bottom and is tightly pressed and locked on the cutter handle main shaft through a locking nut, the second transmission gear is connected with a cutter handle main shaft key, the second transmission gear is meshed with the first transmission gear, the pulling claw is arranged in the cutter handle main shaft, the upper end of the pulling claw tensions the X-direction rotary cutter, draw and grab the lower extreme and pass through threaded connection with the pull rod, the coaxial suit of dish spring in the pull rod outside, dish spring bottom compresses tightly through the dish spring axle collar, and the dish spring axle collar passes through screw locking and installs at handle of a knife main shaft inner chamber with the pull rod, the dish spring axle collar is corresponding with push rod subassembly position, the external hydraulic system of push rod subassembly, first transmission gear periphery is installed in the blade disc through deep groove ball bearing cooperation, and a first transmission gear tip is provided with the second arch, and when interchangeable tool rest subassembly conversion to drive position, the second arch makes first transmission gear and mills bevel gear key-type connection with the recess cooperation.

Preferably, the push rod assembly comprises a pull rod piston and a pull rod oil cylinder, the pull rod piston is installed in the pull rod oil cylinder, and the pull rod oil cylinder is locked on a central shaft of an inner cavity of the cutter head through a screw.

Preferably, the use method of the novel servo power tool turret structure capable of automatically exchanging tools as described in any one of the above items,

tool changing of the tool apron assembly: the control assembly controls the cutter driving assembly to stop running, then drives the piston fluted disc to move leftwards through the hydraulic system, so that the piston fluted disc is separated from the cutter disc, and controls the cutter changing driving assembly to drive the cutter disc to rotate and drive the cutter disc to rotate to realize cutter changing;

the tool apron component and the ATC tool magazine exchange tools: the control component controls the cutter driving component to stop running, and then drives the cutter holder component of the cutter changing position to be matched with the ATC tool magazine for tool changing;

milling the tool apron component: the control component controls the cutter driving component to drive the cutter holder component of the driving position to rotate, and milling of parts is achieved.

Compared with the prior art, the invention has the advantages that:

(1) the invention provides a novel servo power tool turret structure capable of automatically exchanging tools, indexing positioning of a cutter head is controlled by a tool changing driving assembly, transmission output of a cutter holder assembly is controlled by the tool changing driving assembly, and the tool changing driving assembly and the tool driving assembly are controlled by a servo motor, so that a machine tool control system is simple in configuration and compact in design, the matching period of a machine tool is shortened, and the manufacturing and maintenance cost is greatly reduced;

(2) according to the tool changing device, the motor gear of the tool changing driving assembly drives the rotary fluted disc, the rotary fluted disc is fixed with the cutter disc, the piston fluted disc is meshed on the inner wall of the cutter disc, a cavity is formed between the piston fluted disc and the cutter disc, the hydraulic system pushes the piston fluted disc to move left and right through hydraulic oil, when the piston fluted disc moves to the left side, the outer ring of the piston fluted disc is separated from the sawteeth on the inner wall of the cutter disc, the cutter changing is realized by driving the cutter disc to rotate through the motor gear, after the cutter changing is finished, the outer ring of the piston fluted disc is locked with the sawteeth on the inner wall of the cutter disc, then the machine processing is carried out by using a newly changed cutter, the operation is convenient, and the stability of the structure of the cutter tower is high;

(3) the tool changing seat assembly can realize automatic tool changing with an ATC tool magazine of a machine tool, so that more tool seats can be installed, and complex parts and automatic processing are realized; and the tool apron does not need to be closed when the tool apron is replaced, and the manual replacement position is changed into automatic replacement outside the machine tool, so that the labor intensity and danger of an operator are reduced, the use efficiency of the machine tool is improved, and the time for part processing is shortened.

Drawings

Fig. 1 is a schematic structural diagram of a servo power turret structure capable of automatically exchanging tools according to the present invention.

Description of reference numerals:

1. milling a servo motor; 2. a coupling; 3. a first angular contact ball bearing; 4. a drive shaft; 5. a motor bevel gear; 6. a second angular contact ball bearing; 7. milling a bevel gear; 8. a third contact ball bearing; 9. milling a transmission shaft; 10. a fourth corner contact ball bearing; 11. milling a tool apron transmission shaft; 12. a Z-direction rotary cutter; 13. a tool changing motor; 14. a motor gear; 15. fixing a gear disc; 16. rotating the fluted disc; 17. a piston fluted disc; 18. a cutter head; 19. a first drive gear; 20. a deep groove ball bearing; 21. a tool holder cover; 22. a tool apron shaft body; 23. a fifth angular contact ball bearing; 24. a bearing spacer ring; 25. a second transmission gear; 26. pulling and grabbing; 27. a disc spring; 28. a pull rod; 29. an X-direction rotary cutter; 30. a pull rod piston; 31. a pull rod cylinder; 32 turret boxes; 33. a tool shank spindle; 34. a disc spring collar;

7-1, a groove; 9-1, a first protrusion; 19-1 and a second bulge.

Detailed Description

The following describes embodiments of the present invention with reference to examples:

it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the invention, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Example 1

As shown in fig. 1, the present invention discloses a novel servo power turret structure capable of automatically exchanging tools, which comprises a tool driving assembly, a tool changing driving assembly, a tool apron assembly, a piston fluted disc 17, a tool pan 18, a turret case 32 and a control assembly, wherein one end of the turret case 32 is coaxially supported and connected with the tool pan 18 through a bearing, the tool pan 18 is circumferentially fixed with a plurality of tool apron assemblies, one radial side of the tool pan 18 is a driving position, the other radial side of the tool pan 18 is a tool changing position, a cavity is arranged in the turret case 32, the tool driving assembly is fixed in the cavity of the turret case 32, one end of the tool changing driving assembly is engaged with the tool apron assembly of the driving position, the tool changing driving assembly is fixed on the upper end surface of the turret case 32, one end of the tool changing driving assembly is engaged with the tool pan 18, the tool changing driving assembly drives the tool pan 18 to rotate, an inner ring of the piston fluted disc 17 is coaxially installed on one side of the turret case 32 close to the tool pan 18, the outer ring of the piston fluted disc 17 is meshed with the inner wall of the cutter head 18, the piston fluted disc 17 is externally connected with a hydraulic system, the hydraulic system drives the piston fluted disc 17 to move left and right so as to separate or lock the cutter head 18, and the cutter driving assembly, the cutter holder assembly and the cutter changing driving assembly are respectively and electrically connected with the control assembly; when a tool needs to be changed, the piston fluted disc 17 is driven by the hydraulic system to move leftwards so as to be separated from the cutter disc 18, and the tool changing driving assembly drives the tool apron assembly to rotate to a driving position to realize tool changing.

Example 2

As shown in fig. 1, preferably, the tool driving assembly includes a milling servo motor 1, a coupling 2, a first angular contact ball bearing 3, a transmission shaft 4, a motor bevel gear 5, a second angular contact ball bearing 6, a milling bevel gear 7 and a third angular contact ball bearing 8, the milling servo motor 1 is locked in a tool turret case 32 by screws, the transmission shaft 4 is coaxially connected with the milling servo motor 1 through a coupler 2, the periphery of the transmission shaft 4 is supported on the cutter tower box 32 through assembling a first angular contact ball bearing 3, the other end of the transmission shaft 4 is in key connection with a motor bevel gear 5, the motor bevel gear 5 is in tooth engagement with a milling bevel gear 7, the motor bevel gear 5 is axially vertical to the milling bevel gear 7, the periphery of the motor bevel gear 5 is supported in the cutter tower box 32 through assembling a second angular contact ball bearing 6, and the periphery of the milling bevel gear 7 is supported on the cutter tower box 32 through assembling a third angular contact ball bearing 8.

The milling bevel gear 7 is arranged corresponding to the cutter disc 18, namely the milling bevel gear 7 is arranged on a cutter tower box 32 at the inner side of the cutter disc 18.

Example 3

As shown in fig. 1, preferably, the tool changing driving assembly comprises a tool changing motor 13, a motor gear 14, a fixed gear 15 and a rotary gear 16, the tool changing motor 13 is locked on the upper end surface of a tool tower box 32 through screws, the power output end of the tool changing motor 13 is in key connection with the motor gear 14, the fixed gear 15 is locked at the position, close to a cutter disc 18, of the periphery of the tool tower box 32 through screws, the rotary gear 16 is locked at the position, close to one end of the tool tower box 32, of the cutter disc 18 in the circumferential direction through screws, the outer ring of the rotary gear 16 is meshed with the motor gear 14, and the inner ring of the rotary gear 16 is meshed with the fixed gear 15.

The fixed gear 15 facilitates the rotation of the rotary gear 16 to drive the cutter 18 to rotate and perform indexing positioning.

Example 4

As shown in fig. 1, preferably, a cavity exists between the piston fluted disc 17 and the cutter disc 18, the hydraulic system pushes the piston fluted disc 17 to move left and right through hydraulic oil, when the piston fluted disc 17 moves to the left side, the outer ring of the piston fluted disc 17 is separated from the inner wall sawteeth of the cutter disc 18, and when the piston fluted disc 17 moves to the right side, the outer ring of the piston fluted disc 17 is locked with the inner wall sawteeth of the cutter disc 18.

As shown in fig. 1, preferably, the radial lower side of the cutter disc 18 is a driving position, a tool apron component of the driving position is in key connection with the milling bevel gear 7, the radial upper side of the cutter disc 18 is a tool changing position, and the tool apron component of the tool changing position is matched with an ATC tool magazine of a machine tool for tool changing.

The position of the driving position changes according to the position of the milling bevel gear 7, and the position of the tool changing position changes according to the position of an ATC tool magazine of the machine tool.

Example 5

As shown in fig. 1, preferably, the tool apron assembly includes a milling transmission shaft 9, a fourth angular contact ball bearing 10 and a milling tool apron transmission shaft 11, the periphery of the milling transmission shaft 9 is installed in a tool pan 18 through bearing fit, the bottom of the milling bevel gear 7 is provided with a groove 7-1, the top of the milling transmission shaft 9 is provided with a first protrusion 9-1, the groove 7-1 and the first protrusion 9-1 are matched to enable the milling transmission shaft 9 to be connected with the 7 key of the milling bevel gear, the other end of the milling transmission shaft 9 is connected with the 11 key of the milling tool apron transmission shaft, the periphery of the milling tool apron transmission shaft 11 is installed in the tool pan 18 through the fourth angular contact ball bearing 10, and the other end of the milling tool apron transmission shaft 11 is connected with a rotary tool apron key.

As shown in fig. 1, the rotary tool holder is preferably a Z-direction rotary tool 12 or an X-direction rotary tool 29.

The Z-direction rotary cutter 12 is in key connection with a milling cutter seat transmission shaft 11 through two bevel gears.

Example 6

As shown in fig. 1, preferably, the cutter head 18 is provided with a replaceable cutter head assembly, the replaceable cutter head assembly includes a first transmission gear 19, a deep groove ball bearing 20, a cutter head cover 21, a cutter head shaft 22, a fifth angle contact ball bearing 23, a bearing spacer ring 24, a second transmission gear 25, a pulling claw 26, a disc spring 27, a pull rod 28, an X-direction rotary cutter 29, a cutter head spindle 33 and a disc spring collar 34, the cutter head shaft 22 is locked on the cutter head 18 by a screw, the cutter head cover 21 is locked on the upper end surface of the cutter head shaft 22 by a screw, the cutter head spindle 33 is coaxially installed in the cutter head shaft 22, the periphery of the cutter head spindle 33 is sequentially sleeved with the fifth angle contact ball bearing 23, the bearing spacer ring 24 and the second transmission gear 25 from top to bottom and is pressed and locked on the cutter head spindle 33 by a lock nut, the second transmission gear 25 is in key connection with the cutter head spindle 33, the second transmission gear 25 is meshed with the first transmission gear 19, handle of a knife main shaft 33 internally mounted has the grab 26, pulls the taut X of grab 26 upper end and turns around cutter 29, pull grab 26 lower extreme and pull rod 28 through threaded connection, the coaxial suit in the pull rod 28 outside of dish spring 27, dish spring 27 bottom compresses tightly through dish spring collar 34, and dish spring collar 34 passes through screw locking and installs at handle of a knife main shaft 33 inner chamber with pull rod 28, dish spring collar 34 is corresponding with push rod subassembly position, the external hydraulic system of push rod subassembly, the cooperation of first drive gear 19 periphery through deep groove ball bearing 20 is installed in blade disc 18, and a first drive gear 19 tip is provided with second arch 19-1, and when interchangeable tool apron subassembly converted to drive position, second arch 19-1 and recess 7-1 cooperation made first drive gear 19 and mill bevel gear 7 key-type connection.

As shown in fig. 1, preferably, the push rod assembly includes a pull rod piston 30 and a pull rod cylinder 31, the pull rod piston 30 is installed in the pull rod cylinder 31, the pull rod cylinder 31 is locked on a central shaft of an inner cavity of the cutter head 18 through a screw, and the pull rod cylinder 31 is externally connected with a hydraulic system.

As shown in fig. 1, preferably, after the Z-direction rotary cutter 12 rotates, the Z-direction rotary cutter is disengaged from the groove 7-1 at the bottom of the milling bevel gear 7, and after the X-direction rotary cutter 29 rotates to the driving position, the second protrusion 19-1 of the first transmission gear 19 is matched with the groove 7-1 at the bottom of the milling bevel gear 7, and the milling servo motor 1 can drive the X-direction rotary cutter 29 to rotate.

Example 7

As shown in fig. 1, preferably, the use method of the novel servo power tool turret structure capable of automatically exchanging tools as described in any one of the above items,

tool changing of the tool apron assembly: the control assembly controls the cutter driving assembly to stop running, then drives the piston fluted disc 17 to move leftwards through the hydraulic system, so that the piston fluted disc 17 is separated from the cutter disc 18, and controls the cutter changing driving assembly to drive the cutter disc 18 to rotate and drive the cutter disc 18 to rotate to realize cutter changing;

The working principle of the invention is as follows:

as shown in fig. 1, the present invention provides a novel servo power turret structure capable of automatically exchanging tools, wherein one end of a turret case 32 is coaxially supported and connected with a tool pan 18 through a bearing, a plurality of tool apron components are circumferentially fixed on the tool pan 18, one radial side of the tool pan 18 is a driving position, the other radial side of the tool pan 18 is a tool changing position, a cavity is arranged in the turret case 32, a tool driving component is fixed in the cavity of the turret case 32, one end of the tool driving component is engaged with the tool apron components of the driving position, the tool changing driving component is fixed on the upper end surface of the turret case 32, one end of the tool changing driving component is engaged with the tool pan 18, the tool changing driving component drives the tool pan 18 to rotate, an inner ring of a piston fluted disc 17 is coaxially installed on one side of the turret case 32 close to the tool pan 18, an outer ring of the piston fluted disc 17 is engaged with the inner wall of the tool pan 18, the piston fluted disc 17 is externally connected with a hydraulic system, the hydraulic system drives the piston fluted disc 17 to move left so as to separate or lock the tool pan 18, the working principle is respectively as follows:

tool changing step of the tool apron assembly:

when the cutter tower needs to be switched, the control assembly of the machine tool sends a cutter changing command, the cutter tower stops running, the milling servo motor 1 stops rotating, and the hydraulic system controls the piston fluted disc 17 to move left to separate the sawteeth on the inner walls of the piston fluted disc 17 and the cutter disc 18. The control assembly of the machine tool controls the cutter changing motor 13 to rotate, the motor gear 14 connected with the cutter changing motor through a key is driven to rotate, the motor gear 14 rotates to drive the rotary fluted disc 16 meshed with the motor gear to rotate, the rotary fluted disc 16 rotates to drive the cutter disc 18 locked by the screw to rotate, cutter disc 18 rotates to realize cutter changing, the cutter changing motor 13 stops rotating when the cutter disc 18 rotates to a driving position, the piston fluted disc 17 is controlled by a hydraulic system to move rightwards to enable the piston fluted disc 17 to be meshed with and locked with sawteeth on the inner wall of the cutter disc 18, and the cutter changing step is completed.

Tool changing steps of the tool apron assembly and the ATC tool magazine:

when the tool turret needs to switch the tools, a control assembly (a numerical control system) of the machine tool sends a tool changing command, the tool turret stops operating and runs to a tool changing position, a hydraulic system controls a pull rod piston 30 to move upwards, the pull rod piston 30 pushes a pull rod 28 to move upwards together, a disc spring collar 34 is driven to move upwards and compress a disc spring 27, the pull rod 28 moves upwards to enable a pulling claw 26 to be loosened, the ATC tool magazine of the machine tool is started and grabs the tools to complete replacement of the tools in the ATC tool magazine, the hydraulic system controls the pull rod piston 30 to move downwards again, the disc spring 27 is opened and drives the pull rod 28 to move downwards, and the pull rod 28 moves downwards to enable the pulling claw 26 to strain the tools.

Milling a Z-direction power tool apron:

when the Z of drive position need mill to rotary cutter, the control assembly (numerical control system) of lathe just sends the order, mill 1 rotation of motor and drive shaft coupling 2, transmission shaft 4 rotates, transmission shaft 4 passes through the key-type connection with motor bevel gear 5, and drive motor bevel gear 5 and rotate, motor bevel gear 5 passes through the tooth toothing with milling bevel gear 7 and is in the same place, motor bevel gear 5 rotates and drives milling bevel gear 7 and rotate, milling bevel gear 7 passes through the key-type connection with milling transmission shaft 9, milling transmission shaft 9 passes through the key-type connection with milling blade holder transmission shaft 11, milling blade holder transmission shaft 11 passes through the key-type connection with Z to rotary cutter 12, so drive Z through the transmission of power and rotate to rotary cutter 12 when milling motor 1 rotates, realize the processing of part.

Milling an X-direction power tool apron:

when the X-direction rotary cutter 29 needs to be milled, a control assembly (a numerical control system) of a machine tool sends a command, a milling motor 1 rotates to drive a coupler 2 and a transmission shaft 4 to rotate, the transmission shaft 4 is in key connection with a motor bevel gear 5 and drives the motor bevel gear 5 to rotate, the motor bevel gear 5 and the milling bevel gear 7 are in tooth meshing together, the motor bevel gear 5 rotates to drive the milling bevel gear 7 to rotate, the milling bevel gear 7 is in key connection with a first transmission gear 19, the first transmission gear 19 is in tooth meshing together with a second transmission gear 25, the second transmission gear 25 is in key connection with a cutter handle main shaft 33, a pulling claw 26 is arranged inside the cutter handle main shaft 33, the pulling claw 26 tensions the X-direction rotary cutter 29, so that the X-direction rotary cutter 29 is driven to rotate through the transmission of power when the milling motor 1 rotates, and the machining of a part is realized.

The invention provides a novel servo power tool turret structure capable of automatically exchanging tools, indexing and positioning of a cutter head are controlled by a tool changing driving assembly, transmission output of a cutter holder assembly is controlled by the tool driving assembly, and the tool changing driving assembly and the tool driving assembly are controlled by a servo motor, so that a machine tool control system is simple in configuration and compact in design, the matching period of a machine tool is shortened, and the manufacturing and maintenance cost is greatly reduced.

According to the tool changing device, the motor gear of the tool changing driving assembly drives the rotary fluted disc, the rotary fluted disc is fixed with the cutter disc, the piston fluted disc is meshed on the inner wall of the cutter disc, a cavity is formed between the piston fluted disc and the cutter disc, the hydraulic system pushes the piston fluted disc to move left and right through hydraulic oil, when the piston fluted disc moves to the left side, the outer ring of the piston fluted disc is separated from the sawteeth on the inner wall of the cutter disc, the cutter disc is driven to rotate through the motor gear to realize tool changing, after the tool changing is finished, the outer ring of the piston fluted disc is locked with the sawteeth on the inner wall of the cutter disc, then the machine processing is carried out by using a newly changed cutter, the operation is convenient, and the stability of the structure of the cutter tower is high.

The tool changing seat assembly can realize automatic tool changing with an ATC tool magazine of a machine tool, so that more tool seats can be installed, and complex parts and automatic processing are realized; and the tool apron does not need to be closed when the tool apron is replaced, and the manual replacement position is changed into automatic replacement outside the machine tool, so that the labor intensity and danger of an operator are reduced, the use efficiency of the machine tool is improved, and the time for part processing is shortened.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a novel but servo power sword tower structure of automatic exchange cutter which characterized in that: including cutter drive assembly, tool changing drive assembly, blade holder subassembly, piston fluted disc (17), blade disc (18), cutter head (32) and control assembly, cutter head case (32) one end is connected through bearing coaxial support with blade disc (18), and blade disc (18) circumference is fixed with a plurality of blade holder subassemblies, radial one side of blade disc (18) is the drive position, and the radial opposite side of blade disc (18) is the tool changing position, be provided with the cavity in cutter head case (32), cutter drive assembly is fixed in the cavity of cutter head case (32), and cutter drive assembly one end meshes with the blade holder subassembly of drive position, tool changing drive assembly is fixed in cutter head case (32) up end, tool changing drive assembly one end and blade disc (18) meshing, and tool changing drive assembly drives blade disc (18) rotatory, piston fluted disc (17) inner circle coaxial arrangement is close to blade disc (18) one side in cutter head case (32), the outer ring of the piston fluted disc (17) is meshed with the inner wall of the cutter head (18), the piston fluted disc (17) is externally connected with a hydraulic system, the hydraulic system drives the piston fluted disc (17) to move left and right so as to separate or lock the cutter head (18), and the cutter driving assembly, the cutter holder assembly and the cutter changing driving assembly are respectively and electrically connected with the control assembly; when a tool needs to be changed, the piston fluted disc (17) is driven by the hydraulic system to move leftwards so as to be separated from the cutter disc (18), and the tool changing driving assembly drives the tool apron assembly to rotate to a driving position so as to realize tool changing.

2. The novel servo power turret structure capable of automatically exchanging tools according to claim 1, wherein: the cutter driving assembly comprises a milling servo motor (1), a coupler (2), a first angular contact ball bearing (3), a transmission shaft (4), a motor bevel gear (5), a second angular contact ball bearing (6), a milling bevel gear (7) and a third angular contact ball bearing (8), wherein the milling servo motor (1) is locked in a cutter tower box (32) through screws, the transmission shaft (4) is coaxially connected with the milling servo motor (1) through the coupler (2), the periphery of the transmission shaft (4) is supported on the cutter tower box (32) through assembling the first angular contact ball bearing (3), the other end of the transmission shaft (4) is in key connection with the motor bevel gear (5), the motor bevel gear (5) is in tooth engagement with the milling bevel gear (7), the motor bevel gear (5) is axially vertical to the milling bevel gear (7), the periphery of the motor bevel gear (5) is supported in the cutter tower box (32) through assembling the second angular contact ball bearing (6), the periphery of the milling bevel gear (7) is supported on a tool turret box (32) through assembling a third angular contact ball bearing (8).

3. The novel servo power turret structure capable of automatically exchanging tools according to claim 1, wherein: tool changing drive assembly includes tool changing motor (13), motor gear (14), fixed gear (15) and rotatory fluted disc (16), tool changing motor (13) are through screw locking at tool tower case (32) up end, and tool changing motor (13) power take off end and motor gear (14) pass through the key-type connection, tool tower case (32) periphery is close to blade disc (18) and locates to have fixed gear (15) through screw locking, and blade disc (18) are close to tool tower case (32) one end circumference and have rotatory fluted disc (16) through screw locking, rotatory fluted disc (16) outer lane and motor gear (14) meshing, rotatory fluted disc (16) inner circle and fixed gear (15) meshing.

4. The novel servo power turret structure capable of automatically exchanging tools according to claim 1, wherein: there is the cavity between piston fluted disc (17) and blade disc (18), and hydraulic system moves about through hydraulic oil promotion piston fluted disc (17), and when piston fluted disc (17) removed to the left side, piston fluted disc (17) outer lane and blade disc (18) inner wall sawtooth were separated, and when piston fluted disc (17) removed to the right side, piston fluted disc (17) outer lane and blade disc (18) inner wall sawtooth locking.

5. The novel servo power turret structure capable of automatically exchanging tools according to claim 1, wherein: the radial downside of blade disc (18) is the drive position, and the blade holder subassembly of drive position is connected with milling bevel gear (7) key, and the radial upside of blade disc (18) is the tool changing position, and the blade holder subassembly of tool changing position cooperates with lathe ATC tool magazine and carries out the tool changing.

6. The novel servo power turret structure capable of automatically exchanging tools as claimed in claim 2, wherein: the tool apron assembly comprises a milling transmission shaft (9), a fourth corner contact ball bearing (10) and a milling tool apron transmission shaft (11), the periphery of the milling transmission shaft (9) is installed in a tool disc (18) through bearing cooperation, a groove (7-1) is formed in the bottom of the milling bevel gear (7), a first bulge (9-1) is arranged at the top of the milling transmission shaft (9), the groove (7-1) and the first bulge (9-1) are matched to enable the milling transmission shaft (9) to be connected with the milling bevel gear (7) in a key mode, the other end of the milling transmission shaft (9) is connected with the milling tool apron transmission shaft (11) in a key mode, the periphery of the milling tool apron transmission shaft (11) is installed in the tool disc (18) through the fourth corner contact ball bearing (10) in a matching mode, and the other end of the milling tool apron transmission shaft (11) is connected with a rotary tool apron key.

7. The novel servo power turret structure capable of automatically exchanging tools as claimed in claim 6, wherein: the rotary tool apron is a Z-direction rotary tool (12) or an X-direction rotary tool (29).

8. The novel servo power turret structure capable of automatically exchanging tools as claimed in claim 6, wherein: the tool apron (18) is provided with a replaceable tool apron assembly, the replaceable tool apron assembly comprises a first transmission gear (19), a deep groove ball bearing (20), a tool apron cover (21), a tool apron shaft body (22), a fifth angle contact ball bearing (23), a bearing spacer ring (24), a second transmission gear (25), a pulling claw (26), a disc spring (27), a pull rod (28), an X-direction rotary tool (29), a tool shank spindle (33) and a disc spring collar (34), the tool apron shaft body (22) is locked on the tool apron (18) through screws, the tool apron cover (21) is locked on the upper end surface of the tool apron shaft body (22) through screws, the tool shank spindle (33) is coaxially arranged in the tool apron shaft body (22), the periphery of the tool shank spindle (33) is sequentially sleeved with the fifth angle contact ball bearing (23), the tool shank spacer ring (24) and the second transmission gear (25) from top to bottom and is tightly pressed and locked on the tool shank spindle (33) through a locking nut, and the second transmission gear (25) is connected with the knife handle main shaft (33) in a key mode, the second transmission gear (25) is meshed with the first transmission gear (19), the pull claw (26) is installed inside the knife handle main shaft (33), the upper end of the pull claw (26) tensions an X-direction rotary cutter (29), the lower end of the pull claw (26) is connected with the pull rod (28) in a threaded mode, the disc spring (27) is coaxially sleeved outside the pull rod (28), the bottom of the disc spring (27) is tightly pressed through a disc spring collar (34), the disc spring collar (34) and the pull rod (28) are locked through screws and installed in the inner cavity of the knife handle main shaft (33), the disc spring collar (34) corresponds to the position of the push rod assembly, the push rod assembly is externally connected with a hydraulic system, the periphery of the first transmission gear (19) is installed in the knife handle (18) in a matched mode through a deep groove ball bearing (20), a second bulge (19-1) is arranged at one end portion of the first transmission gear (19), when the replaceable cutter holder component is switched to a driving position, the second protrusion (19-1) is matched with the groove (7-1) to enable the first transmission gear (19) to be in key connection with the milling bevel gear (7).

9. The novel servo power turret structure capable of automatically exchanging tools according to claim 1, wherein: the push rod assembly comprises a pull rod piston (30) and a pull rod oil cylinder (31), the pull rod piston (30) is installed in the pull rod oil cylinder (31), and the pull rod oil cylinder (31) is locked on a central shaft of an inner cavity of the cutter head (18) through a screw.

10. The use method of the servo power turret structure of the novel automatic tool changing machine according to any one of claims 1 to 9, characterized in that:

tool changing of the tool apron assembly: the control assembly controls the cutter driving assembly to stop running, then drives the piston fluted disc (17) to move leftwards through the hydraulic system, so that the piston fluted disc (17) is separated from the cutter disc (18), and controls the cutter changing driving assembly to drive the cutter disc (18) to rotate and drive the cutter disc (18) to rotate to realize cutter changing;