A numerically controlled machine tool with adjustable tool

Abstract

The application discloses an adjustable cutter numerical control machine tool and particularly relates to the technical field of numerical control machine tools, which comprises a workbench, a protection frame is fixedly installed at the top of the workbench, two frame doors symmetrically distributed are slidably installed at one side of the protection frame, and a turning device is fixedly installed at one side of the top of the workbench. The turning device is arranged, so that the fixed rod seat, the turning cutter head and the clamping sliding sleeve frame can be moved into the workpiece through the size-limited through slot, the fixed rod seat and the turning cutter rod can be rotated with the longitudinal axis as the axis, the fixed rod seat and the turning cutter rod are in the vertical state, the turning cutter head can automatically translate and slide in the Y-axis direction in the workpiece, the first linear electric rail and the second linear electric rail are used in cooperation to realize automatic translation and sliding of the turning cutter head in the X-axis direction and the Z-axis direction in the workpiece, the position of the turning cutter head in the workpiece is adjusted, and the turning mechanism can be directly used for turning machining in the workpiece.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool with adjustable tool. BACKGROUND

[0002] A numerical control machine tool (numerical control machining center) is a kind of machining equipment automatically controlled by digital instructions (programs); it realizes precise machining of workpieces through computer control of movement; it is usually used for cutting, milling, turning, drilling and other complex machining of metals, plastics and other materials; among them, the tool is the tool for realizing the machining of workpieces, which directly affects the efficiency and precision of machining, and there are various types of tools, commonly used milling cutter, turning tool, drill, tapping tool, etc., different tools are selected according to different machining methods.

[0003] The numerical control machine tool needs to adjust the position of the tool according to the machining requirements of the workpiece during turning machining of the workpiece, and for some workpieces that need internal turning machining, the tool needs to be moved from the size-limited slot to the inside of the workpiece, and the extension length and angle of the tool are adjusted manually. Manual adjustment has precision problems, which affects the overall machining quality of the workpiece. Therefore, we propose a numerical control machine tool with adjustable tool to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a numerical control machine tool with adjustable tool to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a numerical control machine tool with adjustable tool, comprising a workbench, a protective frame is fixedly installed at the top end of the workbench, two frame doors symmetrically distributed are slidably installed on one side of the protective frame, a turning device is fixedly installed at the top end of one side of the workbench, a clamping device corresponding in position to the turning device is fixedly installed at the top end of the other side of the workbench, and a workpiece is clamped and installed at the clamping end of the clamping device.

[0006] The turning device comprises a first linear electric rail, the first linear electric rail is fixedly installed at the top end of the workbench, a mounting vertical frame is vertically installed at the driving end of the first linear electric rail, two second linear electric rails symmetrically distributed are vertically installed at the inner side of the mounting vertical frame, and a turning mechanism is fixedly installed at the driving end of the two second linear electric rails.

[0007] Preferably, the turning mechanism comprises a mounting seat, the mounting seat is fixedly installed at the driving end of the two second linear electric rails, a turning tool rod is movably clamped at the middle part of the mounting seat, a fixed rod seat is arranged at the end of the turning tool rod away from the mounting seat, a turning tool head is movably clamped at the end of the fixed rod seat away from the turning tool rod, and an adjusting mechanism is arranged between the turning tool rod and the fixed rod seat.

[0008] Preferably, the adjusting mechanism comprises a middle drive shaft, the top end and the bottom end of the middle drive shaft are fixedly installed with a clamping sliding sleeve frame, the middle part of the side of the clamping sliding sleeve frame away from the middle drive shaft is fixedly installed with a rotating longitudinal shaft, the middle drive shaft and the rotating longitudinal shaft are coaxially arranged, the side of the turning and receiving groove away from the mounting seat is provided with a rotating and receiving groove matched with the adjusting mechanism, the clamping sliding sleeve frame is movably clamped in the rotating and receiving groove, the rotating longitudinal shaft is rotatably clamped in the rotating and receiving groove, the clamping sliding sleeve frame is movably clamped with a horizontal sliding clamping rod, one end of the two horizontal sliding clamping rods is fixedly installed with a mounting clamping seat, the outer side of the middle drive shaft is fixedly installed with a first gear, the outer side of the first gear is meshingly connected with a first rack, one end of the first rack away from the first gear is integrally formed with a driving clamping seat, the inner end of the rotating and receiving groove is provided with a clamping sliding groove corresponding to the driving clamping seat, the driving clamping seat is slidably clamped in the corresponding clamping sliding groove, one end of the fixed rod seat away from the turning and cutting tool is integrally formed with a mounting clamping column, the middle part of the mounting clamping seat is fixedly clamped with a mounting clamping sleeve, and the mounting clamping column is movably clamped in the mounting clamping sleeve.

[0009] Preferably, the top end of the mounting clamping seat is threadedly installed with a second bolt, and the second bolt movably penetrates the mounting clamping sleeve and the mounting clamping column.

[0010] Preferably, the middle part of the driving clamping seat is threadedly installed with a driving screw, the driving screw is rotatably installed in the turning and cutting tool, the side of the turning and cutting tool close to the driving screw is fixedly installed with a second motor, and the driving end of the second motor and the shaft end of the driving screw are fixedly installed.

[0011] Preferably, one side end of the clamping sliding sleeve frame is fixedly installed with an auxiliary seat, a driving longitudinal shaft is rotatably installed between the two auxiliary seats, the two ends of the driving longitudinal shaft are fixedly installed with second gears, the second gears are movably located in the corresponding auxiliary seats, the side end of the horizontal sliding clamping rod is fixedly installed with a second rack matched with the second gear, and the second gear and the corresponding second rack are meshingly connected.

[0012] Preferably, the middle part of the driving longitudinal shaft is fixedly installed with a worm gear, the outer side of the worm gear is meshingly connected with a worm, the two ends of the worm are rotatably installed with rotating seats, the rotating seats are fixedly installed at the top end of the bottom position auxiliary seat, the top end of the bottom position auxiliary seat is fixedly installed with a first motor, and the driving end of the first motor and the shaft end of the worm are fixedly installed.

[0013] Preferably, one end of the horizontal sliding clamping rod away from the mounting clamping seat is integrally formed with a limiting convex.

[0014] Preferably, the end of the turning and cutting tool close to the mounting seat is fixedly installed with a limiting ring, the outer side of the limiting ring and the mounting seat is in contact, the top end of the mounting seat is threadedly installed with a first bolt, and the first bolt movably penetrates the end of the turning and cutting tool.

[0015] Preferably, a third bolt is threadedly mounted on a side of the fixing rod seat away from the turning tool rod, and the third bolt movably passes through the turning tool head.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up a turning device, it is convenient to place the fixed rod seat, the turning tool head and the card sliding sleeve frame through a limited size through a slot, and control the fixed rod seat and the turning tool head to rotate around the longitudinal axis of rotation, so that the fixed rod seat and the turning tool rod are in a vertical state, which is convenient for realizing the automatic translation and sliding of the turning tool head in the Y-axis direction inside the workpiece, and the first linear electric rail and the second linear electric rail are used to realize the automatic translation and sliding of the turning tool head in the X-axis and Z-axis directions inside the workpiece, so as to adjust the position of the turning tool head inside the workpiece, and facilitate the use of the turning mechanism to directly perform turning processing inside the workpiece.

[0018] 2. By setting up a turning device, according to processing requirements, the card sliding sleeve frame is controlled to rotate in the reverse direction with the rotating longitudinal axis as the axis in the turning groove, and then the turning head is controlled to adjust the angle inside the workpiece, making it more convenient for the turning head to perform turning processing inside the workpiece.

[0019] 3. By setting up a turning device, after the pin turning inside the workpiece is completed, the fixed rod seat and the turning tool head can be automatically rotated in the opposite direction and reset inside the workpiece with the rotating longitudinal axis as the axis, so that the fixed rod seat and the turning tool rod are coaxially aligned, and by turning on the first linear electric rail, the turning mechanism is driven to perform reverse translation and sliding in the X-axis direction, so that the fixed rod seat, the turning tool head and the sliding sleeve frame can be moved out of the workpiece through a limited-size slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the turning device in the present invention.

[0023] Figure 3 It is a structural schematic diagram of the turning mechanism in the present invention.

[0024] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle.

[0025] Figure 5 Part structure connection diagram of adjustment mechanism in the application.

[0026] Figure 6 Part structure connection diagram of adjustment mechanism in the application.

[0027] Figure 7 Part structure diagram of turning mechanism in the application.

[0028] Figure 8 Structure diagram of another state of turning tool bar, fixed bar seat and turning tool head in the application.

[0029] In the figure: 1, workbench; 2, protection frame; 21, frame door; 3, turning device; 31, first linear motor; 32, installation longitudinal frame; 33, second linear motor; 4, clamping device; 5, workpiece; 6, turning mechanism; 61, installation seat; 62, turning tool bar; 621, limiting ring; 622, first bolt; 63, fixed bar seat; 631, installation clamping column; 632, installation clamping sleeve; 633, second bolt; 64, turning tool head; 641, third bolt; 601, rotating groove; 7, adjustment mechanism; 71, middle drive shaft; 72, clamping sliding sleeve frame; 721, rotating longitudinal shaft; 73, transverse sliding clamping rod; 731, limiting convex; 74, installation clamping seat; 75, first gear; 751, first rack; 76, drive clamping seat; 761, clamping sliding groove; 762, drive screw; 763, second motor; 77, auxiliary seat; 771, drive longitudinal shaft; 772, second gear; 773, second rack; 78, worm gear; 781, worm; 782, rotating seat; 79, first motor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Embodiment: as Figures 1-8As shown, the present application provides an adjustable tool numerical control machine tool, including a workbench 1, the top of the workbench 1 is fixedly installed with a protective frame 2, the side of the protective frame 2 is slidably installed with two frame doors 21 distributed symmetrically, by setting two frame doors 21 distributed symmetrically on the side of the protective frame 2, it is convenient to slide to open or close the frame door 21, and the positioning and installation of the workpiece 5 are carried out, the top of the workbench 1 is fixedly installed with a turning device 3 on one side, the top of the workbench 1 is fixedly installed with a clamping device 4 corresponding to the position of the turning device 3 on the other side, the clamping end of the clamping device 4 is clamped and installed with the workpiece 5, by setting the clamping device 4, and the clamping device 4 and the turning device 3 correspond in position, by sliding to open the frame door 21, the workpiece 5 is positioned on the clamping device 4 for clamping and positioning, and the workpiece 5 can be controlled to rotate at high speed by the clamping device 4;

[0032] The turning device 3 comprises a first linear motor 31, the first linear motor 31 is fixedly installed on the top of the workbench 1, the driving end of the first linear motor 31 is vertically installed with an installation vertical frame 32, the inner side of the installation vertical frame 32 is vertically installed with two second linear motors 33 distributed symmetrically, the driving end of the two second linear motors 33 is fixedly installed with a turning mechanism 6, by setting the first linear motor 31 and the second linear motor 33, by opening the first linear motor 31 to drive the installation vertical frame 32 and the second linear motor 33 to slide in X-axis direction, the turning mechanism 6 is controlled to slide in X-axis direction, and by opening the second linear motor 33 to drive the turning mechanism 6 to slide in Z-axis direction.

[0033] The turning mechanism 6 comprises a mounting seat 61, the mounting seat 61 is fixedly installed at the driving end of the two second linear motors 33, the middle part of the mounting seat 61 is movably clamped with a turning tool rod 62, the end of the turning tool rod 62 close to the mounting seat 61 is fixedly installed with a limiting ring 621, the limiting ring 621 contacts the outer side of the mounting seat 61, the top of the mounting seat 61 is screwedly installed with a first bolt 622, the first bolt 622 movably penetrates the end of the turning tool rod 62, by setting the mounting seat 61, the turning tool rod 62 is movably installed in the middle part of the mounting seat 61, at this time the limiting ring 621 contacts the outer side of the mounting seat 61, and the first bolt 622 movably penetrates the end of the turning tool rod 62 and is screwedly installed on the mounting seat 61, the installation and fixation of the turning tool rod 62 are carried out, and it is convenient to select a turning tool rod 62 with appropriate length for installation and fixation according to the distance between the turning tool head 64 and the workpiece 5, and it is convenient to disassemble the turning tool rod 62 by rotating and dismounting the first bolt 622;

[0034] The end of the turning tool bar 62 away from the mounting base 61 is provided with a fixed rod seat 63, the end of the fixed rod seat 63 away from the turning tool bar 62 is movably clamped with a turning tool head 64, the side of the fixed rod seat 63 away from the turning tool bar 62 is threadedly installed with a third bolt 641, the third bolt 641 movably penetrates the turning tool head 64, by setting the fixed rod seat 63, according to the turning processing requirement, selecting the appropriate turning tool head 64, clamping the turning tool head 64 at the end of the fixed rod seat 63 away from the turning tool bar 62, and threadedly installing the third bolt 641 on the side of the fixed rod seat 63 away from the turning tool bar 62, so that the third bolt 641 movably penetrates the turning tool head 64, the fixing of the turning tool head 64 is carried out, so as to facilitate the disassembly of the turning tool head 64 by disassembling the third bolt 641; the adjusting mechanism 7 is arranged between the turning tool bar 62 and the fixed rod seat 63;

[0035] The adjusting mechanism 7 comprises a middle driving shaft 71, the top end and the bottom end of the middle driving shaft 71 are fixedly installed with clamping sleeve frames 72, the middle part of the side of the clamping sleeve frame 72 away from the middle driving shaft 71 is fixedly installed with a rotating longitudinal shaft 721, the middle driving shaft 71 and the rotating longitudinal shaft 721 are coaxially arranged, the side of the turning tool bar 62 away from the mounting base 61 is provided with a rotating receiving groove 601 for cooperating with the adjusting mechanism 7, the clamping sleeve frame 72 is movably clamped in the rotating receiving groove 601, and the rotating longitudinal shaft 721 is rotatably clamped in the rotating receiving groove 601, by setting the rotating longitudinal shaft 721, the rotating longitudinal shaft 721 is rotatably clamped in the rotating receiving groove 601, so that the clamping sleeve frame 72 is convenient to rotate in the rotating receiving groove 601 with the rotating longitudinal shaft 721 as the shaft, the clamping sleeve frame 72 is movably clamped with horizontal sliding clamping rods 73, the horizontal sliding clamping rods 73 are conveniently translational sliding in the corresponding clamping sleeve frames 72, one end of the two horizontal sliding clamping rods 73 is fixedly installed with a mounting clamping seat 74, the middle part of the mounting clamping seat 74 is movably clamped with a mounting clamping sleeve 632, the end of the fixed rod seat 63 away from the turning tool head 64 is integrally formed with a mounting clamping column 631, the mounting clamping column 631 is movably clamped in the mounting clamping sleeve 632, the top end of the mounting clamping seat 74 is threadedly installed with a second bolt 633, and the second bolt 633 movably penetrates the mounting clamping sleeve 632 and the mounting clamping column 631; by setting the mounting clamping seat 74 with the mounting clamping sleeve 632, the fixed rod seat 63 is clamped and installed in the mounting clamping sleeve 632 through the mounting clamping column 631, and the second bolt 633 is threadedly installed at the top end of the mounting clamping seat 74, so that the second bolt 633 movably penetrates the mounting clamping sleeve 632 and the mounting clamping column 631, the mounting and fixing between the mounting clamping seat 74 and the fixed rod seat 63 is carried out;

[0036] The outer side of the middle drive shaft 71 is fixedly installed with a first gear 75, the outer side of the first gear 75 is engagedly connected with a first rack 751, the first rack 751 is integrally formed with a drive clamping seat 76 at one end away from the first gear 75, the inner end of the rotating collecting groove 601 is provided with a clamping sliding groove 761 corresponding to the drive clamping seat 76, the drive clamping seat 76 is slidingly clamped in the corresponding clamping sliding groove 761, by providing the clamping sliding groove 761 corresponding to the drive clamping seat 76 at the inner end of the rotating collecting groove 601, the drive clamping seat 76 is slidingly clamped in the corresponding clamping sliding groove 761, which facilitates the translation sliding of the drive clamping seat 76 in the clamping sliding groove 761, by controlling the translation sliding of the drive clamping seat 76 in the clamping sliding groove 761, the first rack 751 is driven to translate and slide to one side of the turning tool head 64, so that the first gear 75 is driven to rotate by the first rack 751, and then the middle drive shaft 71 is controlled to rotate, so that the clamping sleeve frame 72 is controlled to rotate in the rotating collecting groove 601 with the rotating longitudinal shaft 721 as the axis, and conversely, by controlling the reverse translation sliding of the drive clamping seat 76 in the clamping sliding groove 761, the first rack 751 is driven to translate and slide to a position away from the turning tool head 64, so that the first gear 75 is driven to rotate in reverse by the first rack 751, and then the middle drive shaft 71 is controlled to rotate in reverse, so that the clamping sleeve frame 72 is controlled to rotate in reverse in the rotating collecting groove 601 with the rotating longitudinal shaft 721 as the axis.

[0037] The middle part of the drive clamping seat 76 is threadedly installed with a drive screw 762, the drive screw 762 is rotatably installed in the turning tool rod 62, the second motor 763 is fixedly installed in the turning tool rod 62 inside and close to one side of the drive screw 762, the driving end of the second motor 763 and the shaft end of the drive screw 762 are fixedly installed, by threadedly installing the drive screw 762 in the middle part of the drive clamping seat 76, by starting the second motor 763 to drive the drive screw 762 to rotate in the turning tool rod 62, the drive clamping seat 76 is driven to translate and slide in the clamping sliding groove 761, and conversely, by starting the second motor 763 to drive the drive screw 762 to rotate in reverse in the turning tool rod 62, the drive clamping seat 76 is driven to translate and slide in reverse in the clamping sliding groove 761.

[0038] One side end of the card sliding sleeve frame 72 is fixedly installed with an auxiliary seat 77, a driving longitudinal shaft 771 is rotatably installed between the two auxiliary seats 77, both ends of the driving longitudinal shaft 771 are fixedly installed with second gears 772, the second gears 772 are movably located in the corresponding auxiliary seats 77 respectively, the side end of the horizontal sliding clamping rod 73 is fixedly installed with a second rack 773 which is used in cooperation with the second gears 772, the second gears 772 and the corresponding second racks 773 are meshedly connected, the driving longitudinal shaft 771 is controlled to rotate between the two auxiliary seats 77, the two second gears 772 are driven to rotate synchronously, the second rack 773 is controlled to translate and slide, the horizontal sliding clamping rod 73 is driven to translate and slide in the corresponding card sliding sleeve frame 72, the mounting clamping seat 74 is driven to translate and slide, and the turning tool head 64 is controlled to translate and slide.

[0039] The middle part of the driving longitudinal shaft 771 is fixedly installed with a worm gear 78, the outer side of the worm gear 78 is meshedly connected with a worm shaft 781, both ends of the worm shaft 781 are rotatably installed with rotating seats 782, the rotating seats 782 are fixedly installed at the top end of the bottom position auxiliary seat 77, the top end of the bottom position auxiliary seat 77 is fixedly installed with a first motor 79, the driving end of the first motor 79 and the shaft end of the worm shaft 781 are fixedly installed, the worm shaft 781 is driven to rotate by starting the first motor 79, the worm gear 78 is driven to rotate, and the driving longitudinal shaft 771 is controlled to rotate.

[0040] The end of the horizontal sliding clamping rod 73 away from the mounting clamping seat 74 is integrally formed with a limiting convex 731, the limiting convex 731 is arranged at the end of the horizontal sliding clamping rod 73 away from the mounting clamping seat 74, the translation and sliding of the horizontal sliding clamping rod 73 is limited, and the horizontal sliding clamping rod 73 is prevented from translating and sliding out of the card sliding sleeve frame 72.

[0041] Working principle: when in use, the workpiece 5 is positioned on the clamping device 4 for clamping positioning by sliding the opening frame door 21, and the workpiece 5 is driven to rotate at high speed by the clamping device 4;

[0042] According to the distance between the turning tool head 64 and the workpiece 5, a turning tool rod 62 with a proper length is selected for installation and fixation, the turning tool rod 62 is movably installed at the middle part of the mounting seat 61, the limiting ring 621 contacts the outer side of the mounting seat 61 at this time, and the first bolt 622 movably penetrates through the end of the turning tool rod 62 and is threadedly installed on the mounting seat 61, so that the turning tool rod 62 is installed and fixed;

[0043] Then, according to the turning processing requirement, a suitable turning tool head 64 is selected, the turning tool head 64 is movably clamped at the end of the fixed rod seat 63 away from the turning tool rod 62, and the third bolt 641 is threadedly installed on the side of the fixed rod seat 63 away from the turning tool rod 62, so that the third bolt 641 movably penetrates through the turning tool head 64, and the turning tool head 64 is fixed;

[0044] In the initial state, the fixed rod seat 63 and the turning tool rod 62 are coaxial, and when the workpiece 5 inside which needs to be turned is turned, the fixed rod seat 63, the turning tool head 64 and the clamping sleeve frame 72 are moved into the workpiece 5 through the size-limited slot moving by opening the first linear motor rail 31 to drive the turning mechanism 6 to slide in the X-axis direction;

[0045] Subsequently, the driving screw 762 is driven to rotate in the turning tool rod 62 by opening the second motor 763, thereby driving the clamping seat 76 to slide in the clamping sliding groove 761, driving the first rack 751 to slide to one side of the turning tool head 64, thereby driving the first gear 75 to rotate through the first rack 751, and further controlling the middle shaft 71 to rotate, thereby controlling the clamping sleeve frame 72 to rotate in the rotating groove 601 with the rotating longitudinal shaft 721 as the axis, and further controlling the fixed rod seat 63 and the turning tool head 64 to automatically rotate in the workpiece 5 with the rotating longitudinal shaft 721 as the axis, so that the fixed rod seat 63 and the turning tool rod 62 are in a vertical state;

[0046] Subsequently, the worm 781 is driven to rotate by opening the first motor 79, thereby driving the worm wheel 78 to rotate, further controlling the driving longitudinal shaft 771 to rotate between the two auxiliary seats 77, driving the two second gears 772 to rotate synchronously, thereby controlling the second rack 773 to slide, further driving the horizontal sliding clamping rod 73 to slide in the corresponding clamping sleeve frame 72, thereby driving the mounting clamping seat 74 to slide, and further controlling the turning tool head 64 to automatically slide in the Y-axis direction, so as to realize the automatic sliding of the turning tool head 64 in the Y-axis direction inside the workpiece 5, automatically adjust the Y-axis position of the turning tool head 64 inside the workpiece 5, and make the end of the turning tool head 64 contact the inner wall of the workpiece 5;

[0047] By controlling the clamping device 4 to drive the workpiece 5 to rotate at high speed, the turning tool head 64 is used to turn the inner wall of the workpiece 5, at the same time, the turning mechanism 6 is driven to slide in the X-axis direction by opening the first linear motor rail 31, the turning tool head 64 is driven to slide in the X-axis direction inside the workpiece 5, and the turning mechanism 6 is driven to slide in the Z-axis direction by opening the second linear motor rail 33, the turning tool head 64 is driven to slide in the X-axis direction inside the workpiece 5, so as to adjust the position of the turning tool head 64 inside the workpiece 5, and facilitate the turning mechanism 6 to directly turn inside the workpiece 5;

[0048] During the period, according to the processing requirements, the second motor 763 is started to drive the driving screw 762 to rotate reversely in the turning tool bar 62, so as to drive the driving clamping seat 76 to slide reversely in the clamping sliding slot 761, drive the first rack 751 to slide to a position away from the turning tool head 64, so as to drive the first gear 75 to rotate reversely through the first rack 751, and then control the middle shaft 71 to rotate reversely, so as to control the clamping sleeve frame 72 to rotate reversely in the rotating receiving groove 601 with the rotating longitudinal shaft 721 as the axis, and then control the turning tool head 64 to adjust the angle inside the workpiece 5, so that the turning tool head 64 is more convenient to turn inside the workpiece 5.

[0049] After the pin machining inside the workpiece 5 is completed, first, the clamping sleeve frame 72 is controlled to rotate reversely in the rotating receiving groove 601 with the rotating longitudinal shaft 721 as the axis, so that the fixed rod seat 63 and the turning tool head 64 are automatically rotated reversely and reset inside the workpiece 5 with the rotating longitudinal shaft 721 as the axis, so that the fixed rod seat 63 and the turning tool bar 62 are coaxially corresponding, and then the first straight linear rail 31 is started again to drive the turning mechanism 6 to slide reversely in the X-axis direction, so that the fixed rod seat 63, the turning tool head 64 and the clamping sleeve frame 72 are moved out of the workpiece 5 through the size-limited slot.

[0050] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A numerically controlled machine tool with adjustable tool comprising a worktable (1), characterized in that: The top end of the workbench (1) is fixedly installed with a protective frame (2), one side of the protective frame (2) is slidably installed with two frame doors (21) symmetrically distributed, the top end of the workbench (1) is fixedly installed with a turning device (3) on one side, the top end of the workbench (1) is fixedly installed with a clamping device (4) corresponding to the position of the turning device (3) on the other side, the clamping end of the clamping device (4) is clamped and installed with a workpiece (5); The turning device (3) comprises a first linear motor (31), the first linear motor (31) is fixedly installed on the top end of the workbench (1), the driving end of the first linear motor (31) is vertically installed with an installation vertical frame (32), the inner side of the installation vertical frame (32) is vertically installed with two second linear motors (33) symmetrically distributed, the driving end of the two second linear motors (33) is fixedly installed with a turning mechanism (6); The turning mechanism (6) comprises a mounting seat (61), the mounting seat (61) is fixedly installed at the driving end of the two second linear motors (33), the middle part of the mounting seat (61) is movably clamped with a turning tool rod (62), the end of the turning tool rod (62) away from the mounting seat (61) is provided with a fixed rod seat (63), the end of the fixed rod seat (63) away from the turning tool rod (62) is movably clamped with a turning tool head (64), the adjustment mechanism (7) is arranged between the turning tool rod (62) and the fixed rod seat (63); The adjustment mechanism (7) comprises a middle driving shaft (71), the top end and the bottom end of the middle driving shaft (71) are fixedly installed with a clamping sliding sleeve frame (72), the middle part of one side of the clamping sliding sleeve frame (72) away from the middle driving shaft (71) is fixedly installed with a rotating vertical shaft (721), the middle driving shaft (71) and the rotating vertical shaft (721) are coaxially arranged, the side of the turning tool rod (62) away from the mounting seat (61) is provided with a rotating receiving groove (601) used in cooperation with the adjustment mechanism (7), the clamping sliding sleeve frame (72) is movably clamped in the rotating receiving groove (601), the rotating vertical shaft (721) is rotatably clamped in the rotating receiving groove (601), the clamping sliding sleeve frame (72) is movably clamped with a horizontal sliding clamping rod (73), one end of the two horizontal sliding clamping rods (73) is fixedly installed with a mounting clamping seat (74), the outer side of the middle driving shaft (71) is fixedly installed with a first gear (75), the outer side of the first gear (75) is meshingly connected with a first rack (751), one end of the first rack (751) away from the first gear (75) is integrally formed with a driving clamping seat (76), the inner end of the rotating receiving groove (601) is provided with a clamping sliding groove (761) corresponding to the driving clamping seat (76), the driving clamping seat (76) is slidably clamped in the corresponding clamping sliding groove (761), one end of the fixed rod seat (63) away from the turning tool head (64) is integrally formed with a mounting clamping column (631), the middle part of the mounting clamping seat (74) is fixedly clamped with a mounting clamping sleeve (632), the mounting clamping column (631) is movably clamped in the mounting clamping sleeve (632). One side end of the card sliding sleeve frame (72) is fixedly installed with an auxiliary seat (77), two auxiliary seats (77) are rotatably installed with a driving longitudinal shaft (771), both ends of the driving longitudinal shaft (771) are fixedly installed with a second gear (772), the second gear (772) is movably located in the corresponding auxiliary seat (77), and the side end of the transverse sliding card rod (73) is fixedly installed with a second rack (773) used in cooperation with the second gear (772).

2. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The top end of the mounting card seat (74) is threadedly installed with a second bolt (633), and the second bolt (633) movably penetrates the mounting sleeve (632) and the mounting card column (631).

3. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The middle part of the driving card seat (76) is threadedly installed with a driving screw rod (762), the driving screw rod (762) is rotatably installed in the turning tool rod (62), the inside of the turning tool rod (62) is fixedly installed with a second motor (763) on the side close to the driving screw rod (762), and the driving end of the second motor (763) and the shaft end of the driving screw rod (762) are fixedly installed.

4. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The middle part of the driving longitudinal shaft (771) is fixedly installed with a worm gear (78), the outer side of the worm gear (78) is movably connected with a worm (781), both ends of the worm (781) are rotatably installed with a rotating seat (782), and the rotating seat (782) is fixedly installed at the top end of the bottom position auxiliary seat (77). The top end of the bottom position auxiliary seat (77) is fixedly installed with a first motor (79), and the driving end of the first motor (79) and the shaft end of the worm (781) are fixedly installed.

5. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The end of the transverse sliding card rod (73) away from the mounting card seat (74) is integrally formed with a limiting convex (731).

6. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The end of the turning tool rod (62) close to the mounting seat (61) is fixedly installed with a limiting ring (621), the limiting ring (621) is in contact with the outer side of the mounting seat (61), the top end of the mounting seat (61) is threadedly installed with a first bolt (622), and the first bolt (622) movably penetrates the end of the turning tool rod (62).

7. A numerically controlled machine tool with an adjustable tool according to claim 1, characterized in that: The side of the fixed rod seat (63) away from the turning tool rod (62) is threadedly installed with a third bolt (641), and the third bolt (641) movably penetrates the turning tool head (64).

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