CN114905338A

CN114905338A - Tool setting device of numerical control machine tool

Info

Publication number: CN114905338A
Application number: CN202210627925.3A
Authority: CN
Inventors: 崔嘉琪
Original assignee: Jiangsu Jingyan Intelligent Technology Co ltd
Current assignee: Jiangsu Jingyan Intelligent Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-08-16

Abstract

The invention discloses a tool setting device of a numerical control machine tool, and relates to the technical field of numerical control machines; the invention comprises the following steps: the machine tool comprises a machine tool platform, wherein a spindle box and a cutter clamping seat are arranged on the machine tool platform; the mounting seat is mounted on the machine tool platform and positioned between the spindle box and the cutter clamping seat, and a slide rail with a dovetail-shaped longitudinal section is constructed on the mounting seat; the movable seat is sleeved on the sliding rail in a sliding mode, and first scale marks are carved on the movable seat; according to the invention, the distance between the workpiece and the X axis of the cutter is recorded by measuring the distance between the first stroke initial point and the first stroke end point of the X axis, and the distance between the cutter and the Y axis of the workpiece is recorded by measuring the distance between the first stroke initial point and the first stroke end point of the Y axis, so that the effect of the workpiece and the cutter on tool setting is achieved, trial cutting is not needed when the workpiece is processed, the accuracy of workpiece processing is effectively ensured, meanwhile, trial cutting marks cannot appear on the workpiece, and the device is relatively practical as a whole.

Description

Tool setting device of numerical control machine tool

Technical Field

The invention relates to the technical field of numerical control machines, in particular to a tool setting device of a numerical control machine tool.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control device sends out various control signals through operation processing to control the action of the machine tool, the part is automatically machined according to the shape and the size required by a drawing, and certain requirements are also provided for the operation of the numerical control machine tool, for example, a tool setting process is carried out, the tool setting is carried out for the purpose of determining the position of a program origin in a machine tool coordinate system, a tool setting point can be arranged on the part, a clamp or the machine tool, the tool setting point is required to be superposed with a tool location point during tool setting, the machining precision of the part can be influenced by the tool setting precision, the existing numerical control machine tool setting comprises a process of carrying out tool setting by adopting a trial cutting method, the machine tool needs to be roughly positioned by manpower for trial cutting, the efficiency of the tool setting mode is low, the operation steps are complicated, the data are not accurate enough, meanwhile, the use size of the workpiece is also influenced, the trial cutting trace exists on the tool face, but the surface of the workpiece is a reference face, and the trial cutting trace does not allow the trial cutting trace, therefore, the problem that a numerical control machine tool cutter setting device is needed to be solved urgently is designed.

Disclosure of Invention

The invention aims to: in order to solve the problems in the background, the invention provides a tool setting device for a numerical control machine tool.

The invention specifically adopts the following technical scheme for realizing the purpose:

a digit control machine tool cutter tool setting device includes: the machine tool comprises a machine tool platform, wherein a spindle box and a cutter clamping seat are arranged on the machine tool platform; the mounting seat is mounted on the machine tool platform and positioned between the spindle box and the cutter clamping seat, and a slide rail with a dovetail-shaped longitudinal section is constructed on the mounting seat; the movable seat is sleeved on the sliding rail in a sliding mode, first scale marks are carved on the movable seat, and a first pointer used for being matched with the first scale marks in a measuring mode is installed on the installation seat; the transverse plate is installed on the movable seat and is horizontally vertical to the movable seat, a sliding groove is formed in the transverse plate along the length direction of the transverse plate, and second scale marks are carved on the transverse plate; the sliding block is inserted in the sliding groove in a sliding mode, a measuring rod is installed on one side of the sliding block, and a second pointer which is matched with the second scale mark in a measuring mode is installed on the sliding block; the driving assembly is arranged on the mounting seat and is used for driving the movable seat to slide; and the adjusting piece is arranged on the transverse plate and is used for adjusting the sliding of the sliding block.

Further, a fixed block is installed on the movable seat, a supporting rod parallel to the measuring rod penetrates through the fixed block in a movable mode, a correcting plate perpendicular to the supporting rod is installed at one end of the supporting rod, and the supporting rod, the measuring rod and the cutter clamped on the cutter clamping seat are located on the same horizontal plane.

Furthermore, a knob penetrates through the thread on the fixing block, and the end part of the knob is abutted and overlapped with the supporting rod.

Further, demountable installation has the regulating plate on the sliding seat, the regulating plate is kept away from one side of sliding seat is seted up flutedly, the horizontal pole is installed to the inner wall opposite side of recess, the recess internalization is inserted and is equipped with the alignment pole, the alignment pole slip cap is established on the horizontal pole, the alignment pole with the width of measuring stick is unanimous, the width of recess is the width twice of alignment pole, works as the alignment pole is followed slip laminating on the horizontal pole when the recess is close to one side inner wall of headstock, the alignment pole with the measuring stick is located same vertical horizontal plane.

Furthermore, install the U-shaped piece on the sliding seat, the regulating plate activity is inserted and is established in the U-shaped piece, the regulating plate with all run through on the U-shaped piece and set up the jack of mutual intercommunication, closely insert in two jacks and be equipped with the inserted bar.

Further, the drive assembly includes: the post rod vertically rotates to penetrate through the mounting seat; the rack is arranged on one side of the movable seat; a gear fixedly arranged on the post rod, wherein the gear is meshed with the rack teeth; and the driving part is arranged on the mounting seat and is used for driving the post rod to rotate.

Further, the driving part includes: the worm wheel is fixedly arranged on the post rod; and the worm is rotatably penetrated through the mounting seat and is in transmission meshing with the worm wheel.

Further, the adjusting member includes: the screw rod is rotatably penetrated through the opposite side of the inner wall of the sliding groove, and the sliding block is sleeved on the screw rod in a threaded manner.

Furthermore, an electromagnetic seat is installed at the bottom of the installation seat, and the electromagnetic seat is magnetically connected with the machine tool platform.

The invention has the following beneficial effects:

1. the device drives the movable seat to slide along the mounting seat through the driving assembly, the first pointer is matched with the first scale mark for measuring, the distance between the workpiece and the X axis of the cutter is recorded through measuring the distance between the first stroke initial point and the first stroke end point of the X axis, the sliding block is adjusted by the adjusting piece to slide on the transverse plate, the X axis and the Y axis between the workpiece and the cutter can be effectively measured through measuring the distance between the first stroke initial point and the first stroke end point of the Y axis and recording the distance between the cutter and the workpiece on the Y axis through measuring the second pointer and the second scale mark, and the device is integrally arranged, so that the X axis and the Y axis between the workpiece and the cutter can be effectively measured, test cutting is not needed when the workpiece is processed, the processing accuracy of the workpiece is effectively ensured, and simultaneously test cutting marks cannot appear on the workpiece, the device is overall practical.

2. Through the setting of correcting the board for the tip of measuring stick all contradicts with the knife tip of cutter and corrects the board, makes the precision higher behind the knife tip parallel and level of measuring stick and cutter, makes when measuring the Y axis distance of cutter and work piece, and data are more accurate, makes follow-up add man-hour to the work piece, and the processing precision is higher.

3. Utilize setting up of alignment rod and recess, when the alignment rod is contradicted by the work piece terminal surface, an position of just staggering of alignment rod and measuring stick, when the terminal surface of alignment rod laminating work piece, the measuring stick just with the terminal surface parallel and level of work piece with the contact surface of cutter, thereby make the X axis distance measurement to work piece and cutter more accurate, it is spacing with the conflict of work piece terminal surface to utilize the alignment rod simultaneously, make when adjusting the sliding measurement on the movable seat along the mount pad, the movable seat can slide adjusting one step and put in place, make measuring time more brief.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a further perspective view of the present invention;

FIG. 3 is a plan elevation view of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is a top view of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken in the direction B-B of FIG. 3 in accordance with the present invention;

FIG. 8 is an enlarged view of the invention at C of FIG. 1;

FIG. 9 is an enlarged view of the invention at D in FIG. 2;

FIG. 10 is an enlarged view of the invention at E in FIG. 6;

reference numerals are as follows: 1. a machine tool platform; 2. a mounting seat; 3. a slide rail; 4. a movable seat; 5. a first scale mark; 6. a first pointer; 7. a transverse plate; 8. a chute; 9. a second scale mark; 10. a slider; 11. a measuring rod; 12. a second pointer; 13. a drive assembly; 14. an adjustment member; 15. a fixed block; 16. a strut; 17. straightening a plate; 18. a knob; 19. an adjusting plate; 20. a groove; 21. a cross bar; 22. a calibration rod; 23. a U-shaped block; 24. inserting a rod; 25. an electromagnetic base; 1301. a post rod; 1302. a rack; 1303. a gear; 1304. a worm gear; 1305. a worm; 1401. and a screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 8, a tool setting device for a numerical control machine tool includes: the machine tool comprises a machine tool platform 1, wherein a spindle box and a cutter clamping seat are arranged on the machine tool platform 1; the mounting seat 2 is mounted on the machine tool platform 1 and located between the spindle box and the tool holder, when the tool of the numerical control machine tool is adjusted, the mounting seat 2 is mounted on the machine tool platform 1, and a slide rail 3 with a dovetail-shaped longitudinal section is constructed on the mounting seat 2; the movable seat 4 is sleeved on the sliding rail 3 in a sliding manner, and the movable seat 4 is always kept in a state of being attached to the mounting seat 2 when sliding along the sliding rail 3 through a dovetail-shaped structure of the sliding rail 3 so as to ensure the stability of the movable seat 4 when sliding, a first scale mark 5 is carved on the movable seat 4, and a first pointer 6 used for being matched with the first scale mark 5 in a measuring manner is arranged on the mounting seat 2; when the movable seat 4 slides along the installation seat 2, the distance of the movable seat 4 sliding and moving along the installation seat 2 can be effectively observed through the measurement matching of the first scale marks 5 and the first pointer 6, so that the numerical control machine can record data, in order to make the device more reasonable, the direction of the movable seat 4 sliding along the installation seat 2 is an X axis, the transverse plate 7 is arranged on the movable seat 4 and is horizontally vertical to the movable seat 4, a sliding groove 8 is arranged on the transverse plate 7 along the length direction of the transverse plate, and second scale marks 9 are carved on the transverse plate 7; the sliding block 10 is inserted in the sliding groove 8 in a sliding mode, a measuring rod 11 is installed on one side of the sliding block 10, and a second pointer 12 which is matched with the second scale mark 9 in a measuring mode is installed on the sliding block 10; when the sliding block 10 slides along the sliding groove 8, the sliding displacement distance of the sliding block 10 along the transverse plate 7 can be effectively observed through the measurement and matching of the second scale marks 9 and the second pointer 12, so that the numerical control machine can record data, in order to make the device more reasonable, the sliding direction of the sliding block 10 along the transverse plate 7 is a Y axis, and the driving assembly 13 is arranged on the mounting seat 2 and used for driving the movable seat 4 to slide; an adjusting part 14 which is arranged on the transverse plate 7 and is used for adjusting the sliding block 10 to slide, when the tool setting is carried out on a numerical control machine tool, the movable seat 4 is driven by the driving component 13 to slide along the installation seat 2 towards the direction of the tool holder, the measuring rod 11 is attached to the tool clamped on the tool holder, the point on the first scale mark 5 measured by the first pointer 6 is recorded, the point is the first stroke initial point on the X axis, the sliding block 10 is adjusted by the adjusting part 14 to slide along the transverse plate 7 towards the tool direction, the end part of the measuring rod 11 is enabled to be flush with the tool point clamped on the tool holder, the point on the second scale mark 9 is measured by the second pointer 12, the point is the first stroke initial point on the Y axis, after the first stroke initial point on the Y axis is recorded, the movable seat 4 is driven by the driving component 13 to slide along the direction of the main spindle box 2, and the measuring rod 11 is enabled to be flush with the end surface of the workpiece clamped on the main spindle box, the point on the first scale mark 5 is measured through the first pointer 6, the point is the first stroke end point on the X axis, the distance between the first stroke initial point and the first stroke end point is the X axis distance between the cutter and the workpiece, the sliding block 10 is adjusted by the adjusting piece 14 to slide towards the workpiece direction, when the end part of the measuring rod 11 is abutted against the workpiece, the point on the second scale mark 9 is measured through the second pointer 12, the point is the second stroke end point, the distance between the second stroke initial point and the second stroke end point is the Y axis distance between the cutter and the workpiece, so as to achieve the effect of the workpiece and the cutter on tool setting, after the tool setting is completed, the mounting base 2 is taken down from the machine tool platform 1, so as to process the workpiece, the integral arrangement of the device can effectively measure the X axis and the Y axis between the workpiece and the cutter, when the workpiece is processed, need not to try and cut, not only the effectual precision of guaranteeing the work piece processing, the trace of trying and cutting can not appear on the work piece simultaneously, and the device is whole comparatively practical.

As shown in fig. 1, 2, 3, 4 and 5, in some embodiments, a fixed block 15 is installed on the movable seat 4, a supporting rod 16 parallel to the measuring rod 11 is movably penetrated on the fixed block 15, a correcting plate 17 perpendicular to the supporting rod 16 is installed at one end of the supporting rod 16, the measuring rod 11 and the tool clamped on the tool holder are all located on the same horizontal plane, when the measuring rod 11 is aligned with the tool tip, the supporting rod 16 is held by hand to push the supporting rod 16 to slide along the fixed block 15 in the direction of the tool tip, when the correcting plate 17 passes through the tool tip, the supporting rod 16 is rotated again to make the end of the correcting plate 17 face the tool tip, then the supporting rod 16 is pulled back to make the correcting plate 17 abut against the tool tip of the tool, then the adjusting piece 14 adjusts the sliding block 10 to slide along the transverse plate 7 in the direction of the tool tip, and makes the end of the measuring rod 11 abut against the correcting plate 17, through the setting of correcting board 17 for the tip of measuring stick 11 all contradicts with the knife tip of cutter and corrects board 17, makes measuring stick 11 higher with the knife tip parallel and level back precision of cutter, makes when measuring the Y axis distance of cutter and work piece, and data is more accurate, makes follow-up add man-hour to the work piece, and the processing precision is higher.

As shown in fig. 2 and 3, in some embodiments, a knob 18 is threaded through the fixed block 15, an end of the knob 18 abuts against the support rod 16, when the support rod 16 is moved to adjust the position of the correction plate 17, the knob 18 is twisted to move, so that the end of the knob 18 presses against the support rod 16, and the support rod 16 is fixed by using the abutting friction force, the support rod 16 can be mechanically locked by the knob 18, so that when the support rod 16 is manually pulled by hand, the mechanical rod 11 abuts against the correction plate 17 after the adjustment slider 10 slides, the support rod 16 is loosened, the correction plate 17 is displaced, the end of the measurement rod 11 is not flush with the tool nose, and the accuracy of the distance between the tool and the Y axis of the workpiece is affected.

As shown in fig. 1, 2, 4 and 10, in some embodiments, an adjusting plate 19 is detachably mounted on the movable seat 4, a groove 20 is formed on one side of the adjusting plate 19 away from the movable seat 4, a cross rod 21 is mounted on the opposite side of the inner wall of the groove 20, a calibration rod 22 is movably inserted in the groove 20, in order to make the apparatus more reasonable, preferably, a bent portion is formed at one end of the calibration rod 22 away from the adjusting plate 19, through the design of the bent portion, so that when the movable seat 4 slides along the mounting seat 2 toward the headstock, the bent portion can contact with the end surface of the workpiece, so as to facilitate limit measurement, the calibration rod 22 is slidably sleeved on the cross rod 21, the calibration rod 22 and the measurement rod 11 have the same width, the width of the groove 20 is twice the width of the calibration rod 22, when the calibration rod 22 is slidably attached to the inner wall of the groove 20 on one side of the headstock along the cross rod 21, the calibration rod 22 and the measurement rod 11 are located on the same vertical horizontal plane, after the movable seat 4 is adjusted to move along the direction of the tool holder, the measuring rod 11 is attached to the tool, the calibrating rod 22 is abutted by the tool holder, so that the calibrating rod 22 slides along the cross rod 21, and the calibrating rod 22 is attached to the inner wall of one side of the groove 20 close to the spindle box, when the movable seat 4 is adjusted to slide along the spindle box, the bending part of the calibrating rod 22 is preferentially abutted to the end part of the workpiece, under the abutment of the workpiece, the calibrating rod 22 slides along the cross rod 21 to reset, so that the calibrating rod 22 is attached to the inner wall of one side of the groove 20 close to the tool holder, because the thickness of the calibrating rod 22 is consistent with the width of the measuring rod 11, and the width of the groove 20 is twice of the calibrating rod 22, the calibrating rod 22 and the measuring rod 11 are just staggered by one body position, when the calibrating rod 22 is attached to the end surface of the workpiece, the contact surface of the measuring rod 11 and the tool is just level with the end surface of the workpiece, so that the distance between the workpiece and the X axis of the tool is measured more accurately, utilize simultaneously that the conflict of alignment rod 22 and work piece terminal surface is spacing for when adjusting movable seat 4 and slide measuring on mount pad 2, when guaranteeing to measure the precision, movable seat 4 can slide adjusting one step and put in place, make measuring time more brief, adjusting plate 19 demountable installation's mode, when making the periphery to the work piece measure, can get the adjusting plate 19 wholly and unload, the device is whole comparatively nimble practical, not only can measure the terminal surface of work piece, also can measure the periphery of work piece simultaneously.

As shown in fig. 10, in some embodiments, a U-shaped block 23 is installed on the movable seat 4, the adjusting plate 19 is movably inserted into the U-shaped block 23, the adjusting plate 19 and the U-shaped block 23 are both provided with insertion holes communicated with each other, the insertion rods 24 are tightly inserted into the two insertion holes, the adjusting plate 19 is placed in the U-shaped block 23, so that the adjusting plate 19 is communicated with the insertion holes on the U-shaped block 23, and the insertion rods 24 are tightly inserted into the two insertion holes, so as to fix the adjusting plate 19 and the U-shaped block 23.

As shown in fig. 9, in some embodiments, the drive assembly 13 includes: the pole 1301 vertically rotates to penetrate through the mounting base 2; a rack 1302 installed at one side of the movable seat 4; the gear 1303 is fixedly arranged on the column rod 1301, and the gear 1303 is meshed with the teeth of the rack 1302; the drive division is installed on mount pad 2, and it is used for driving pole 1301 to rotate, when adjusting movable seat 4 and slide, drives pole 1301 through the drive division and rotates to drive gear 1303 and rotate, through the rack 1302 rather than tooth meshing when gear 1303 rotates, in order to reach the gliding effect of drive movable seat 4.

As shown in fig. 6 and 9, in some embodiments, the driving part includes: a worm gear 1304 fixed to the rod 1301; worm 1305, rotate and run through mount pad 2, worm 1305 and worm wheel 1304 transmission meshing, the wrench movement worm 1305 rotates, transmission meshing through worm 1305 and worm wheel 1304, thereby reach and drive the effect of pole 1301 pivoted, utilize worm wheel 1304 can not drive the effect of worm 1305 reversal, make the transmission meshing of worm 1305 and worm wheel 1304 have the auto-lock nature, thereby the regulation sliding seat 4 that makes can lock sliding seat 4 back, in order to ensure the stability after sliding seat 4, thereby the messenger is more accurate when measuring work piece and cutter X axis.

As shown in fig. 7 and 8, in some embodiments, the adjustment member 14 includes: screw 1401, rotate the inner wall opposite side that runs through spout 8, slider 10 threaded sleeve establishes on screw 1401, wrench movement screw 1401 rotates, when screw 1401 rotates, cooperation slider 10 is spacing with spout 8's slip, thereby reach and drive slider 10 along the gliding effect in spout 8, slider 10 establishes with the screw cover of screw 1401 has the auto-lock nature simultaneously, consequently, can lock slider 10 after adjusting slider 10 slides, in order to ensure the stability after measuring stick 11 adjusts, thereby it is more accurate when making work piece and cutter Y axis measure.

As shown in fig. 3 and 4, in some embodiments, an electromagnetic seat 25 is installed at the bottom of the mounting seat 2, the electromagnetic seat 25 is magnetically connected to the machine tool platform 1, after the mounting seat 2 is placed on the machine tool platform 1, the electromagnetic seat 25 contacts the machine tool platform 1, and magnetic force is generated after the electromagnetic seat 25 is powered on, so as to be magnetically connected to the machine tool platform 1, so as to ensure the stability of the mounting seat 2 installed on the machine tool platform 1, when the mounting seat 2 needs to be removed, the power supply on the electromagnetic seat 25 is disconnected, so that the effect of eliminating the magnetic force of the electromagnetic seat 25 is achieved, that is, the mounting seat 2 can be removed from the machine tool platform 1, and the mounting or removing manner is simple and convenient.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a digit control machine tool cutter tool setting device which characterized in that includes:

the machine tool comprises a machine tool platform (1), wherein a spindle box and a cutter clamping seat are arranged on the machine tool platform (1);

the mounting seat (2) is mounted on the machine tool platform (1) and located between the spindle box and the cutter clamping seat, and a slide rail (3) with a dovetail-shaped longitudinal section is constructed on the mounting seat (2);

the sliding seat (4) is sleeved on the sliding rail (3) in a sliding mode, first scale marks (5) are carved on the sliding seat (4), and a first pointer (6) which is used for being matched with the first scale marks (5) in a measuring mode is installed on the installation seat (2);

the transverse plate (7) is arranged on the movable seat (4) and is horizontally perpendicular to the movable seat (4), a sliding groove (8) is formed in the transverse plate (7) along the length direction of the transverse plate, and second scale marks (9) are carved on the transverse plate (7);

the sliding block (10) is inserted into the sliding groove (8) in a sliding mode, a measuring rod (11) is installed on one side of the sliding block (10), and a second pointer (12) which is matched with the second scale mark (9) in a measuring mode is installed on the sliding block (10);

the driving assembly (13) is arranged on the mounting seat (2) and is used for driving the movable seat (4) to slide;

and the adjusting piece (14) is arranged on the transverse plate (7) and is used for adjusting the sliding of the sliding block (10).

2. The tool setting device for the numerical control machine tool is characterized in that a fixed block (15) is installed on the movable seat (4), a supporting rod (16) parallel to the measuring rod (11) movably penetrates through the fixed block (15), a correcting plate (17) perpendicular to the supporting rod (16) is installed at one end of the supporting rod (16), and the supporting rod (16), the measuring rod (11) and tools clamped on the tool clamping seat are located on the same horizontal plane.

3. The cutter setting device for the numerical control machine tool is characterized in that a knob (18) penetrates through a thread of the fixing block (15), and the end of the knob (18) is in butt joint with the support rod (16).

4. The tool setting device of a numerical control machine tool according to claim 1, an adjusting plate (19) is detachably mounted on the movable seat (4), a groove (20) is formed in one side, far away from the movable seat (4), of the adjusting plate (19), a cross bar (21) is arranged on the opposite side of the inner wall of the groove (20), a calibration rod (22) is movably inserted in the groove (20), the calibrating rod (22) is sleeved on the cross rod (21) in a sliding manner, the width of the calibrating rod (22) is consistent with that of the measuring rod (11), the width of the groove (20) is twice the width of the calibration bar (22), when the calibration rod (22) is in sliding fit with the inner wall of one side of the groove (20) close to the spindle box along the cross rod (21), the calibration rod (22) and the measuring rod (11) are located on the same vertical horizontal plane.

5. The cutter setting device for the numerical control machine tool according to claim 4, characterized in that a U-shaped block (23) is installed on the movable seat (4), the adjusting plate (19) is movably inserted in the U-shaped block (23), the adjusting plate (19) and the U-shaped block (23) are both provided with insertion holes communicated with each other in a penetrating manner, and the insertion rods (24) are tightly inserted in the two insertion holes.

6. A tool setting device for a numerically controlled machine tool according to claim 1, characterized in that said drive assembly (13) comprises:

the post rod (1301) vertically rotates to penetrate through the mounting base (2);

a rack (1302) mounted on one side of the movable seat (4);

the gear (1303) is fixedly arranged on the column rod (1301), and the gear (1303) is engaged with the teeth of the rack (1302);

the driving part is installed on the installation seat (2) and is used for driving the column rod (1301) to rotate.

7. The tool setting device for the numerical control machine tool according to claim 6, wherein the driving part comprises:

the worm wheel (1304) is fixedly arranged on the column rod (1301);

and the worm (1305) penetrates through the mounting seat (2) in a rotating mode, and the worm (1305) is in transmission meshing with the worm wheel (1304).

8. A numerically controlled machine tool setting device according to claim 1, characterized in that said adjustment member (14) comprises:

the screw rod (1401) penetrates through the opposite side of the inner wall of the sliding groove (8) in a rotating mode, and the sliding block (10) is sleeved on the screw rod (1401) in a threaded mode.

9. The tool setting device for the numerically-controlled machine tool is characterized in that an electromagnetic seat (25) is mounted at the bottom of the mounting seat (2), and the electromagnetic seat (25) is magnetically connected with the machine tool platform (1).