阅读说明：本技术 一种用于数控车床的高效换刀机构 (Efficient tool changing mechanism for numerical control lathe ) 是由 刘义考 龙吉业 李永芳 张俊华 刘峰 于 2020-11-06 设计创作，主要内容包括：本发明涉及数控机床技术领域,公开了一种用于数控车床的高效换刀机构,包括安装座,安装座的上端中部安装有驱动螺杆,且安装座的上端位于驱动螺杆的两侧对应设置有滑轨,滑轨的上端滑动有滑座,滑座的上端安装有驱动座,驱动座的上表面安装有刀座,刀座的上表面中部设置有中心座,刀座的上表面位于中心座的外侧呈矩形分布有多个刀具。本发明相对于传统采用螺栓固定刀具,此方式更加快捷,稳定,减少了刀具维修或拆卸的时间,进一步提高了换刀效率,同时也能增强刀具工作的稳定性,避免刀具工作时产生晃动而影响零件的加工质量,而且直接调节刀座转动角度,即可实现机床的换刀操作,此方式更加快捷。(The invention relates to the technical field of numerical control machines and discloses an efficient tool changing mechanism for a numerical control lathe, which comprises an installation seat, wherein a driving screw is installed in the middle of the upper end of the installation seat, slide rails are correspondingly arranged on two sides of the driving screw at the upper end of the installation seat, a slide seat is arranged at the upper end of each slide rail in a sliding manner, a driving seat is installed at the upper end of each slide seat, a tool apron is installed on the upper surface of each driving seat, a center seat is arranged in the middle of the upper surface of each tool apron, and a plurality of tools are distributed on the outer side of each. Compared with the traditional mode of fixing the cutter by bolts, the mode is faster and more stable, the time for maintaining or disassembling the cutter is reduced, the cutter changing efficiency is further improved, the working stability of the cutter can be enhanced, the phenomenon that the machining quality of parts is affected due to shaking generated when the cutter works is avoided, the cutter changing operation of a machine tool can be realized by directly adjusting the rotating angle of the cutter holder, and the mode is faster.)

1. A high-efficiency tool changing mechanism for a numerical control lathe comprises a mounting seat (1) and is characterized in that a driving screw (9) is mounted in the middle of the upper end of the mounting seat (1), slide rails (91) are correspondingly arranged on two sides, located on the driving screw (9), of the upper end of the mounting seat (1), a slide seat (2) slides on the upper end of each slide rail (91), a driving seat (3) is mounted on the upper end of each slide seat (2), a tool apron (4) is mounted on the upper surface of each driving seat (3), a tool changing motor (10) is connected to one side of the rear side face of each driving seat (3), a center seat (47) is arranged in the middle of the upper surface of each tool apron (4), a plurality of positioning pins (41) are arranged on the outer side, located on the outer side of the center seat (47), of the upper surface of each tool apron (4), a plurality of tools (5) are distributed in a rectangular manner on the outer, a socket (44) is arranged on the upper end surface of the central seat (47), a central screw hole (43) is arranged in the middle of the upper surface of the socket (44), the upper end of the central seat (47) is positioned at the outer side of the central screw hole (43) and is provided with a pressing seat (6), a plurality of pressing cylinders (45) are distributed on the lower surface of the pressing seat (6) corresponding to the positioning pins (41), a positioning nut (8) is arranged on the upper surface of the pressing seat (6), an opening (35) is arranged in the middle of the upper surface of the driving seat (3), and the upper surface of the driving seat (3) is positioned at the outer side of the opening (35) and is rotationally connected with a lower gear ring (32), a gear (33) is arranged in the driving seat (3) and is positioned right below the opening (35), the middle part of the upper surface of the gear (33) is vertically connected with a steering rod (34), the output end of the tool changing motor (10) is positioned in the driving seat (3) and is connected with a rotating rod (31).

2. The efficient tool changing mechanism for the numerically controlled lathe is characterized in that driving external teeth (38) are mounted on the outer surface of the rotating rod (31) corresponding to the outer surface of the gear (33), a positioning screw rod (37) is arranged at the top end of the steering rod (34), a fixed shaft (36) is mounted at the upper end of the steering rod (34) and located below the positioning screw rod (37), the lower end of the gear (33) is rotatably connected with the inside of the driving seat (3), teeth on the outer surface of the gear (33) are matched with the driving external teeth (38), and the outer side of the gear (33) is in meshed connection with the rotating rod (31) through the driving external teeth (38).

3. The efficient tool changing mechanism for the numerically controlled lathe according to claim 1, wherein one end of the rotating rod (31) is rotatably connected with the inner wall of the driving seat (3), and the other end of the rotating rod (31) penetrates through the driving seat (3) to be connected with the output end of the tool changing motor (10).

4. The efficient tool changing mechanism for the numerically controlled lathe according to claim 1, wherein a positioning hole (42) is formed in the upper surface of the tool (5) corresponding to the positioning pin (41), the inner diameter of the positioning hole (42) is matched with the outer diameter of the positioning pin (41), the tool (5) and the tool holder (4) are fixedly inserted into the positioning hole (42) through the positioning pin (41), the inner diameter of the pressing cylinder (45) is larger than the outer diameter of the positioning pin (41), the middle of the pressing seat (6) is provided with an insertion groove, the inner diameter of the insertion groove is matched with the outer diameter of the socket (44), and the pressing seat (6) and the central seat (47) are clamped with each other through the socket (44) and the insertion groove.

5. The efficient tool changing mechanism for the numerically controlled lathe is characterized in that the tool holder (4), the central seat (47) and the socket (44) are integrated, a central screw hole (43) penetrates through the tool holder (4), the central seat (47) and the socket (44) and is located in the center of the tool holder, threads are arranged on the outer surface of the steering rod (34), the driving seat (3) and the tool holder (4) are in threaded connection through the steering rod (34) and the central screw hole (43), a fixing hole (46) is formed in the middle of one side face of the central seat (47), and a threaded hole is formed in the outer side face of the steering rod (34) corresponding to the fixing hole (46).

6. The efficient tool changing mechanism for the numerically controlled lathe is characterized in that an upper gear ring (48) is mounted on the lower surface of the tool apron (4) corresponding to the lower gear ring (32), the upper gear ring (48) is fixedly connected with the tool apron (4), the upper gear ring (48) is matched with teeth on the surface of the lower gear ring (32), and the lower surface of the tool apron (4) is meshed with the upper surface of the driving seat (3) through the upper gear ring (48) and the lower gear ring (32).

7. The efficient tool changing mechanism for the numerically controlled lathe according to claim 2, wherein the fixing plate (7) is integrally connected to the lower end of the positioning nut (8), an inner threaded hole is formed in the position, corresponding to the positioning screw (37), of the lower surface of the fixing plate (7), a fixing shaft (36) at the upper end of the steering rod (34) penetrates through the central threaded hole (43) and extends to the upper end of the central threaded hole and is parallel to the upper end of the central threaded hole, the outer diameter of the fixing shaft (36) is smaller than the inner diameter of the central threaded hole (43), the positioning screw (37) at the top end of the steering rod (34) extends out of the upper end of the steering rod (34), and the positioning screw (37) is in threaded connection with.

8. The efficient tool changing mechanism for the numerically controlled lathe is characterized in that one end of the driving screw (9) is connected with an adjusting motor (92), a fixed seat (93) is arranged on one side, located on the adjusting motor (92), of the outer side face of one end of the driving screw (9), a baffle (94) is mounted at the other end of the driving screw (9) and one end of each of the two sliding rails (91), one end of the driving screw (9) penetrates through the fixed seat (93) to be connected with the output end of the adjusting motor (92), and the other end of the driving screw (9) is rotatably connected with the baffle (94).

9. The efficient tool changing mechanism for the numerically controlled lathe according to claim 8, wherein a sliding sleeve (95) is mounted in the middle of the lower surface of the sliding seat (2) corresponding to the driving screw (9), sliding grooves (96) are formed in the lower surface of the sliding seat (2) and located on two sides of the sliding sleeve (95) and corresponding to the sliding rails (91), the sliding grooves (96) and the sliding rails (91) are both of a T-shaped structure, the sliding grooves (96) are slidably connected with the sliding rails (91), and the sliding sleeve (95) is in threaded connection with the baffle (94).

Technical Field

The invention relates to the technical field of numerical control machines, in particular to a high-efficiency tool changing mechanism for a numerical control lathe.

Background

The digit control machine tool is an automatic lathe that is equipped with program control system, the digit control machine tool is when the operation, in the machining process of work piece, behind the work piece of cutter processing certain quantity, will take place wearing and tearing, resume processing product again, the quality that can make the product can not reach the requirement, just need change the cutter this moment, and current toolchanger or adopt artifical tool changing, or adopt automatic toolchanger, and automatic toolchanger has turret toolchanger, the direct toolchanger of main shaft of tep disc formula tool magazine and the tool changing manipulator toolchanger of taking chain formula tool magazine.

But current artifical tool changing then wastes time and energy for machining efficiency is low, and automatic tool changing mechanism structure is too complicated, and the tool changing process is too loaded down with trivial details, and simultaneously after the cutter is changed, cutter stability remains to be improved, and all how can realize changing and maintaining the cutter fast, and ensure that the fastness of cutter is the problem that we must regard. Therefore, the person skilled in the art provides an efficient tool changing mechanism for a numerically controlled lathe to solve the problems set forth in the background art.

Disclosure of Invention

The invention aims to provide an efficient tool changing mechanism for a numerical control lathe, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency tool changing mechanism for a numerical control lathe comprises a mounting seat, wherein a driving screw is mounted in the middle of the upper end of the mounting seat, slide rails are correspondingly arranged on two sides of the upper end of the mounting seat, which are positioned on the driving screw, a slide seat is arranged at the upper end of each slide rail in a sliding manner, a driving seat is mounted at the upper end of each slide seat, a tool apron is mounted on the upper surface of each driving seat, a tool changing motor is connected to one side of the rear side surface of each driving seat, a center seat is arranged in the middle of the upper surface of each tool apron, a plurality of positioning pins are arranged on the outer side of the center seat in a rectangular array manner, a plurality of tools are distributed on the outer side of the center seat in a rectangular manner, a socket is arranged on the upper end surface of the center seat, a center screw hole is formed in the middle of the upper surface of the socket, a pressing seat is mounted on the, and the upper surface that presses the seat installs positioning nut, the opening has been seted up at the upper surface middle part of drive seat, and the upper surface of drive seat is located the open-ended outside and rotates and be connected with down the ring gear, the inside of drive seat is located the open-ended and installs the gear under, the upper surface middle part of gear is connected with the steering column perpendicularly, the output of tool changing motor is located the internal connection who drives the seat and has the bull stick.

As a further scheme of the invention: the utility model discloses a steering wheel, including the surface of bull stick, the surface of bull stick corresponds the surface department of gear and installs the drive external tooth, the top of steering rod is provided with positioning screw, and the upper end of steering rod is located positioning screw's below and installs the fixed axle, the lower extreme of gear is connected with the inside rotation of drive seat, and the tooth of gear surface is identical with the drive external tooth, the outside of gear is connected through the meshing of drive external tooth with the bull stick.

As a still further scheme of the invention: one end of the rotating rod is rotatably connected with the inner wall of the driving seat, and the other end of the rotating rod penetrates through the driving seat and is connected with the output end of the tool changing motor.

As a still further scheme of the invention: the upper surface of the cutter is provided with a positioning hole corresponding to the positioning pin, the inner diameter of the positioning hole is matched with the outer diameter of the positioning pin, the cutter and the cutter holder are fixedly inserted through the positioning pin and the positioning hole, the inner diameter of the pressing cylinder is larger than the outer diameter of the positioning pin, the middle of the pressing seat is provided with a slot, the inner diameter of the slot is matched with the outer diameter of the socket, and the pressing seat is clamped with the center seat through the socket and the slot.

As a still further scheme of the invention: the utility model discloses a steering column, including blade holder, center seat and socket, blade holder, center seat and socket formula, and the central screw runs through blade holder, center seat and socket and is located its central department, the surface of steering column is provided with the screw thread, the drive seat passes through steering column and center screw threaded connection with the blade holder, the fixed orifices has been seted up at a side middle part of center seat, the lateral surface of steering column corresponds fixed orifices department and has seted up the screw thread.

As a still further scheme of the invention: the lower surface of the cutter holder is provided with an upper gear ring corresponding to the lower gear ring, the upper gear ring is fixedly connected with the cutter holder, the upper gear ring is matched with the teeth on the surface of the lower gear ring, and the lower surface of the cutter holder is meshed with the upper surface of the driving seat through the upper gear ring and the lower gear ring.

As a still further scheme of the invention: the lower end of the positioning nut is integrally connected with a fixing plate, an inner threaded hole is formed in the position, corresponding to the positioning screw, of the lower surface of the fixing plate, a fixing shaft at the upper end of the steering rod penetrates through the central screw hole and extends to the upper end opening of the central screw hole in parallel, the outer diameter of the fixing shaft is smaller than the inner diameter of the central screw hole, the positioning screw at the top end of the steering rod extends out of the upper end opening of the steering rod, and the positioning screw is.

As a still further scheme of the invention: the one end of driving screw is connected with adjustment motor, and one side department that driving screw's one end lateral surface is located adjustment motor is provided with the fixing base, driving screw's the other end and two the baffle is all installed to the one end of slide rail, driving screw's one end is run through the fixing base and is connected with adjustment motor's output, and driving screw's the other end and the baffle rotation are connected.

As a still further scheme of the invention: the lower surface middle part of slide corresponds drive screw department and installs sliding sleeve, and the lower surface of slide is located sliding sleeve's both sides and corresponds slide rail department and has seted up the spout, spout and slide rail are T type structure, and spout and slide rail sliding connection, sliding sleeve and baffle threaded connection.

Compared with the prior art, the invention has the beneficial effects that: the invention designs a high-efficiency tool changing mechanism for a numerical control lathe, when in actual operation, the tool is firstly installed on the tool apron by a positioning pin and a positioning hole for limiting and fixing by utilizing the matching of the tool apron and a press seat, and then the tool is further fixed by utilizing the matching of the press seat and a press cylinder on the lower surface of the press seat, so that when the fixing of the press seat is completed, the press cylinder on the lower surface of the press seat is just sleeved at the upper end of the positioning pin and is in compression contact with the upper surface of the tool, compared with the traditional method for fixing the tool by adopting a bolt, the method is quicker and more stable, the time for maintaining or disassembling the tool is reduced, the tool changing efficiency is further improved, the working stability of the tool can be enhanced, the influence on the processing quality of parts caused by shaking during the working of the tool is avoided, in addition, the tool changing operation of the machine tool can be realized by, the cutter seat can be moved linearly when the cutter is changed, the cutter is prevented from influencing the processing parts when the cutter is changed, and the cutter seat is simple and convenient to operate, time-saving and labor-saving.

Drawings

FIG. 1 is a schematic structural diagram of a high-efficiency tool changing mechanism for a numerically controlled lathe;

FIG. 2 is an exploded view of an efficient tool changing mechanism for a numerically controlled lathe;

FIG. 3 is a schematic structural diagram of a tool apron and a pressing seat in an efficient tool changing mechanism for a numerically controlled lathe;

FIG. 4 is a schematic structural diagram of a driving seat and a steering rod in an efficient tool changing mechanism for a numerically controlled lathe;

FIG. 5 is a schematic view showing the connection between a steering rod and a rotating rod in an efficient tool changing mechanism for a numerically controlled lathe;

FIG. 6 is a schematic structural diagram of a slide and a mounting seat in an efficient tool changing mechanism for a numerically controlled lathe.

In the figure: 1. a mounting seat; 2. a slide base; 3. a driving seat; 4. a tool apron; 5. a cutter; 6. pressing a base; 7. a fixing plate; 8. positioning a nut; 9. a drive screw; 10. a tool changing motor; 31. a rotating rod; 32. a lower gear ring; 33. a gear; 34. a steering lever; 35. an opening; 36. a fixed shaft; 37. positioning a screw rod; 38. a drive outer gear; 41. positioning pins; 42. positioning holes; 43. a central screw hole; 44. a socket; 45. pressing the cylinder; 46. a fixing hole; 47. a center seat; 48. an upper gear ring; 91. a slide rail; 92. adjusting the motor; 93. a fixed seat; 94. a baffle plate; 95. a sliding sleeve; 96. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in the embodiment of the present invention, an efficient tool changing mechanism for a numerically controlled lathe includes an installation base 1, a driving screw 9 is installed in the middle of the upper end of the installation base 1, slide rails 91 are correspondingly installed on two sides of the driving screw 9 at the upper end of the installation base 1, a slide base 2 is slid on the upper end of the slide rails 91, a driving base 3 is installed at the upper end of the slide base 2, a tool apron 4 is installed on the upper surface of the driving base 3, a tool changing motor 10 is connected to one side of the rear side of the driving base 3, a center base 47 is installed in the middle of the upper surface of the tool apron 4, a plurality of positioning pins 41 are arranged in a rectangular array on the outer side of the center base 47 at the upper surface of the tool apron 4, a plurality of tools 5 are rectangularly distributed on the outer side of the center base 47, a socket 44 is installed on the upper end of the center base 47, a center screw hole 43 is installed on, a plurality of pressing cylinders 45 are distributed on the lower surface of the pressing seat 6 corresponding to the positioning pins 41, and a positioning nut 8 is mounted on the upper surface of the pressing seat 6.

An opening 35 is arranged in the middle of the upper surface of the driving seat 3, a lower gear ring 32 is rotatably connected to the upper surface of the driving seat 3 at the outer side of the opening 35, a gear 33 is arranged in the driving seat 3 and right below the opening 35, a steering rod 34 is vertically connected to the middle of the upper surface of the gear 33, a rotating rod 31 is connected to the output end of the tool changing motor 10 at the inner side of the driving seat 3, driving external teeth 38 are arranged on the outer surface of the rotating rod 31 corresponding to the outer surface of the gear 33, a positioning screw 37 is arranged at the top end of the steering rod 34, a fixed shaft 36 is arranged at the upper end of the steering rod 34 and below the positioning screw 37, the lower end of the gear 33 is rotatably connected with the inner side of the driving seat 3, teeth on the outer surface of the gear 33 are matched with the driving external teeth 38, the outer side of the gear 33 is in meshed connection with the rotating rod 31 through the, and the other end of bull stick 31 runs through drive seat 3 and is connected with tool changing motor 10's output, can control tool changing motor 10 work through external controller, and then drive bull stick 31 by tool changing motor 10 and rotate, and then bull stick 31 rotates through drive external tooth 38 drive gear 33, and then gear 33 can drive steering column 34 and rotate, drive blade holder 4 by steering column 34 and rotate, drive cutter 5 according to the rotation of blade holder 4 and rotate to the assigned position according to this, be convenient for change cutter 5 to the digit control machine tool.

The upper surface of the cutter 5 is provided with a positioning hole 42 corresponding to the positioning pin 41, the inner diameter of the positioning hole 42 is matched with the outer diameter of the positioning pin 41, the cutter 5 and the cutter holder 4 are inserted and fixed through the positioning pin 41 and the positioning hole 42, the inner diameter of the pressing cylinder 45 is larger than the outer diameter of the positioning pin 41, the middle part of the pressing seat 6 is provided with a slot, the inner diameter of the slot is matched with the outer diameter of the socket 44, the pressing seat 6 and the central seat 47 are clamped with the slot through the socket 44, the lower end of the positioning screw cap 8 is integrally connected with the fixing plate 7, the lower surface of the fixing plate 7 is provided with an inner screw hole corresponding to the positioning screw rod 37, the fixing shaft 36 at the upper end of the steering rod 34 penetrates through the central screw hole 43 and extends to the upper port of the central screw hole and is parallel, the outer diameter of the, when the tool 5 on the tool holder 4 needs to be replaced, the positioning nut 8 is rotated and is screwed down by the positioning screw 37, so that the fixing plate 7 is driven to be away from the pressing seat 6, then the pressing seat 6 is dismounted from the socket 44, the tool 5 needing to be maintained or replaced is conveniently taken down from the tool holder 4, a new tool 5 is put on the tool holder 4, the positioning hole 42 on the tool 5 is inserted into the positioning pin 41 on the tool holder 4, so that the tool 5 is limited, after the replacement is completed, the pressing seat 6 is clamped on the socket 44, at the moment, the pressing cylinder 45 at the lower end of the pressing cylinder is clamped at the upper end of the positioning pin 41, the fixing plate 7 and the positioning nut 8 are screwed on the pressing seat 6 by the positioning screw 37, so that the pressing seat 6 generates extrusion force, the pressing seat 6 drives the pressing cylinder 45 to be pressed down, after the pressing seat 6 is completely clamped with the socket 44, the pressing cylinder 45 at the lower end of the pressing cylinder is sleeved at the upper end of the positioning pin 41 and pressed on, therefore, the cutter 5 can be further fixed, the stability of the cutter is ensured, and the cutter 5 is prevented from shaking during working.

The holder 4, the center seat 47 and the socket 44 are integrated, and the center screw hole 43 penetrates the holder 4, the center seat 47 and the socket 44 and is located at the center thereof, namely, the central screw hole 43 extends from the middle of the lower surface of the tool holder 4 to the middle of the upper surface of the socket 44, the upper end of the central screw hole 43 is positioned on the inner wall of the socket 44 and is not provided with threads, the outer surface of the steering rod 34 is provided with threads, so that the steering rod 34 is conveniently fixed with the cutter holder 4, the central seat 47 and the socket 44, the driving seat 3 is in threaded connection with the cutter holder 4 through the steering rod 34 and the central screw hole 43, a fixing hole 46 is formed in the middle of one side surface of the central seat 47, a threaded hole is formed in the outer side surface of the steering rod 34 corresponding to the fixing hole 46, after the steering rod 34 is fixed to the holder 4, the center seat 47 and the socket 44, the fastening holes 46 are connected to the threaded holes on the surface of the steering rod 34 by bolts, so that the firmness of the steering rod 34 and the holder 4 is further improved.

The lower surface of the cutter holder 4 is provided with an upper gear ring 48 corresponding to the lower gear ring 32, the upper gear ring 48 is fixedly connected with the cutter holder 4, the upper gear ring 48 is matched with the teeth on the surface of the lower gear ring 32, the lower surface of the cutter holder 4 is meshed with the upper surface of the driving seat 3 through the upper gear ring 48 and the lower gear ring 32, the connection firmness of the cutter holder 4 and the driving seat 3 can be further enhanced by utilizing the upper gear ring 48 and the lower gear ring 32, the rotating rod 31 is driven to rotate by the cutter changing motor 10, the gear 33 is driven to rotate by the driving external teeth 38, and further the steering rod 34 and the cutter holder 4 are driven to rotate, the lower surface of the cutter holder 4 rotates with the driving seat 3 through the upper gear ring 48 and the lower gear ring 32, the rotation efficiency of the cutter holder 4 is not influenced, the firmness.

One end of the driving screw 9 is connected with an adjusting motor 92, a fixed seat 93 is arranged at one side of the outer side surface of one end of the driving screw 9, which is positioned at the adjusting motor 92, a baffle 94 is respectively arranged at the other end of the driving screw 9 and one end of the two slide rails 91, one end of the driving screw 9 penetrates through the fixed seat 93 to be connected with the output end of the adjusting motor 92, the other end of the driving screw 9 is rotatably connected with the baffle 94, a sliding sleeve 95 is arranged at the middle part of the lower surface of the slide carriage 2, which corresponds to the driving screw 9, sliding grooves 96 are arranged at two sides of the lower surface of the slide carriage 2, which correspond to the slide rails 91, the sliding grooves 96 and the slide rails 91 are both of a T-shaped structure, the sliding grooves 96 are slidably connected with the slide rails 91, the sliding sleeve 95 is in threaded connection with the baffle 94, the adjusting motor 92 is controlled by an, and when slide 2 removed, utilize the spout 96 of its lower surface and the assistance of slide rail 91, can improve its portable stability, consequently, when slide 2 removed, can drive the seat 3 that drives and remove, and then can drive blade holder 4 and remove, when conveniently changing or maintaining the cutter 5 on the blade holder 4, carry out position control.

The working principle of the invention is as follows: when the tool rest is in operation, the positioning screw cap 8 is firstly screwed off, then the pressing seat 6 is detached from the socket 44, so that a plurality of tools 5 are conveniently and sequentially arranged on the tool rest 4 in a rectangular shape, the tools 5 are limited by the positioning hole 42 and the positioning pin 41, then the pressing seat 6 is clamped on the socket 44, the pressing cylinder 45 on the lower surface of the pressing seat 6 is pressed and sleeved at the upper end of the positioning pin 41, then the fixing plate 7 and the positioning screw cap 8 are screwed on the positioning screw rod 37, and after the fixing plate 7 is pressed down to enable the pressing seat 6 to be completely clamped with the socket 44, the pressing cylinder 45 on the lower surface of the pressing seat 6 is just sleeved at the upper end of the positioning pin 41 and is in contact with the upper surface of the tools 5, so that the tools 5 are further fixed, the tools are prevented from shaking in operation, and the tools 5 can be detached or maintained by adopting;

after the tools 5 are installed, the tool changing motor 10 is controlled to work through the external controller, the tool changing motor 10 drives the rotating rod 31 to rotate, the driving external teeth 38 drives the gear 33 to rotate, and then the steering rod 34 and the tool apron 4 are driven to rotate, the number of rotating turns of the tool changing motor 10 can be set according to the rotating angle of the tool apron 4, for example, the number of the tools 5 on the tool apron 4 is named clockwise, when the first tool 5 on the tool apron 4 is completed and needs to be changed, the second tool 5 is changed by rotating ninety degrees, the tool changing motor 10 is controlled to rotate one turn, and when the third tool 5 needs to be changed by rotating one hundred and eighty degrees, two turns are rotated, namely, when the tool changing motor 10 rotates one turn, the tool apron 4 is driven to rotate ninety degrees, because the tools 5 on the tool apron 4 are designed in a rectangular shape, as shown in fig. 1, for example, when only four tools 5 are needed, when the first two, the tool changing motor 10 only needs to rotate one circle in the forward direction, the first cutter 5 is changed, the second cutter 5 is changed, when the third cutter 5 needs to be changed, the two circles can be rotated in the reverse direction, when the fourth cutter 5 is changed, the one circle only needs to be rotated in the reverse direction, if six cutters 5 exist, the control methods are consistent, and the like is carried out according to the control methods;

when tool 5 on blade holder 4 changes the tool, can control adjustment motor 92 work, utilize adjustment motor 92 to drive screw 9 and rotate, and then drive screw 9 can drive slide 2 through sliding sleeve 95 and remove to drive linear motion around the blade holder 4, when conveniently changing the tool again, with blade holder 4 lapse, when avoiding tool 5 to rotate the tool change, cause the influence to the processing article.

Both the tool changing motor 10 and the adjusting motor 92 adopt servo motors of LAFERT series.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.