CN110076600B

CN110076600B - Numerical control machine tool machining center anchor clamps

Info

Publication number: CN110076600B
Application number: CN201910518815.1A
Authority: CN
Inventors: 王涛
Original assignee: Yangzhou Super Machine Tool Co ltd
Current assignee: YANGZHOU SUPER MACHINE TOOL Co.,Ltd.
Priority date: 2019-06-16
Filing date: 2019-06-16
Publication date: 2020-11-17
Anticipated expiration: 2039-06-16
Also published as: CN110076600A

Abstract

The invention discloses a numerical control machine tool machining center clamp which comprises a clamp frame, wherein a machining area which is arranged in a penetrating manner from front to back is arranged in the end surface of the top of the clamp frame, a first clamping disc is connected to the right side wall of the machining area in a rotating fit manner, a first sliding cavity which is arranged in a left-right extending manner is arranged in the left side wall of the machining area, the right end of the first sliding cavity is communicated with the machining area, a first sliding block is connected to the first sliding cavity in a sliding fit manner, the left end of the first sliding cavity is communicated with a first inner cavity, the bottom of the first inner cavity is communicated with a second inner cavity, a second sliding cavity which is arranged in a extending manner from the left side is arranged on the upper side of the first sliding cavity, and a penetrating sliding chute is arranged between the second sliding cavity and the; the device is simple in structure, simple in clamping step, easy to assemble and disassemble workpieces, capable of greatly improving machining efficiency, high in clamping stability, capable of improving machining precision and beneficial to production and development of enterprises.

Description

Numerical control machine tool machining center anchor clamps

Technical Field

The invention relates to the technical field of clamps, in particular to a numerical control machine tool machining center clamp.

Background

The numerical control machine tool is a high-precision and efficient automatic machine tool, is equipped with a multi-station tool turret or a power tool turret, has wide processing technology performance, can process complex workpieces such as linear cylinders, oblique line cylinders, circular arcs and various threads, grooves and worms, has linear interpolation and various compensation functions of circular arc interpolation, and plays a good economic effect in the batch production of complex parts, after a worker clamps the workpieces through a clamp, the workpieces can be processed through the numerical control machine tool, the existing clamp for the numerical control machine tool has complex clamping steps, is not easy to rapidly disassemble and assemble, greatly influences the processing efficiency, has poor clamping effect, influences the processing precision, easily leads to the workpieces to be scrapped, and is not beneficial to the production and development of enterprises.

Disclosure of Invention

The invention aims to provide a numerical control machine tool machining center clamp which is used for overcoming the defects in the prior art.

The clamp for the machining center of the numerical control machine tool comprises a clamp frame, a machining area is arranged in the end face of the top of the clamp frame in a penetrating manner from front to back, a first clamping disc is connected to the right side wall of the machining area in a rotating and matching manner, a first sliding cavity is arranged in the left side wall of the machining area in a left-right extending manner, the right end of the first sliding cavity is communicated with the machining area, a first sliding block is connected to the first sliding cavity in a sliding and matching manner, a first inner cavity is communicated with the left end of the first sliding cavity, a second inner cavity is communicated with the bottom of the first inner cavity, a second sliding cavity is arranged on the upper side of the first sliding cavity in a extending manner, a penetrating sliding chute is arranged between the second sliding cavity and the first sliding cavity in a penetrating manner, a third inner cavity is arranged on the left side of the second inner cavity in an upward extending manner, and the top end of the third inner cavity is communicated with the left extending section of the second, a sliding rack is arranged in the second sliding cavity, a second sliding block is connected in a sliding fit manner in the through sliding groove, a guide sliding rod which extends leftwards and rightwards is connected in the second sliding block in a sliding fit manner, the tail ends of the left side and the right side of the through sliding groove are fixedly connected with the left wall and the right wall of the through sliding groove in a matching manner, the top extending section of the second sliding block extends into the second sliding cavity and is positioned at the right side position of the sliding rack, the tail end of the bottom of the second sliding block is fixedly connected with the first sliding block in a matching manner, a first spring is annularly arranged on the outer surface of the guide sliding rod and is positioned at the right side position of the second sliding block, a first internal spline rotating sleeve is connected in a rotating fit manner in the first sliding block, a second clamping disc positioned in the machining area is fixedly arranged at the tail end of the right side of the first internal spline rotating sleeve, and a first gear and, the second gear with first gear engagement is connected, just the second gear is located the downside position of first gear, the biggest circumscribed circle in bottom of second gear stretches into in the second inner chamber, the right side end of second gear set firmly with the first integral key shaft that first internal spline swivel joint cooperation is connected, the intracavity is equipped with in the third and drives into link gear, the bottom in first smooth chamber is equipped with locking mechanical system, the intracavity be equipped with in the second be used for with drive into link gear with the power drive mechanism that locking mechanical system power fit is connected.

According to a further technical scheme, a workpiece numerical control machining executing mechanism is arranged at the top of the clamp rack.

According to the further technical scheme, the second clamping disc and the first clamping disc are arranged oppositely, and elastic wear-resistant pads are arranged on the end faces of the second clamping disc, which are opposite to the first clamping disc, respectively.

According to the technical scheme, the driving linkage mechanism comprises a second internal spline rotating sleeve, a first bevel gear and a third gear, wherein the second internal spline rotating sleeve is arranged between the third inner cavity and the second inner cavity in a rotating matching connection mode, the first bevel gear is arranged in the second inner cavity in a rotating matching connection mode, the third gear is arranged in the second inner cavity and is located on the upper right side of the first bevel gear in a rotating matching connection mode, a second bevel gear in meshed connection with the first bevel gear is fixedly arranged at the tail end of the left side of the second internal spline rotating sleeve, a first belt wheel is fixedly arranged at the front side end of the first bevel gear, a second belt wheel is fixedly arranged at the front side end of the third gear, and a transmission belt is connected between the first belt wheel and the second belt wheel in a.

In a further technical scheme, the locking mechanism comprises a third sliding cavity and a third sliding block, wherein the top end of the third sliding cavity is communicated with the bottom of the first sliding cavity, the third sliding block is arranged in the third sliding cavity, a plurality of groups of first inclined plane teeth are fixedly arranged on the top end surface of the third sliding block at equal intervals, second inclined plane teeth which are positioned in the third sliding cavity and are used for being in press fit connection with tooth tops of the first inclined plane teeth are fixedly arranged on the bottom end surface of the first sliding block, guide sliding grooves are respectively arranged in the left side wall and the right side wall of the third sliding cavity, the tail ends of the left side and the right side of the third sliding block respectively extend into the guide sliding grooves on the left side and the right side and are in sliding fit connection with the guide sliding grooves, a second spring is connected between the bottom end surface of the third sliding cavity in a jacking fit manner, a groove is further arranged in the bottom wall of the third sliding cavity, and a, the front side end of the third bevel gear is fixedly provided with a reel, a pull rope is wound on the reel, one end, far away from the pull rope, of the pull rope is fixedly matched and connected with the bottom end face of the third sliding block, the groove is connected with a rotating shaft in a rotating matching mode between the second inner cavity, the tail end of the left side of the rotating shaft is fixedly provided with a first connecting fluted disc located in the second inner cavity, and the tail end of the right side of the rotating shaft is fixedly provided with a fourth bevel gear connected with the third bevel gear in a meshing mode.

A further technical scheme is that the power driving mechanism comprises a movable sliding table which is arranged in the second inner cavity in a sliding fit connection mode, a guide sliding rod is connected in the movable sliding table in a sliding fit connection mode, the tail ends of the left side and the right side of the guide sliding rod are fixedly matched and connected with the left wall and the right wall of the second inner cavity respectively, a third spring is arranged on the outer surface of the guide sliding rod on the left side and the right side of the movable sliding table in a surrounding mode, a supporting table is fixedly arranged on the top end face of the movable sliding table and positioned between the second inner spline rotating sleeve and the first connecting gear disc, a driving motor is fixedly arranged in the supporting table, a fourth gear is fixedly connected at the left side end of the driving motor in a power fit mode, a second spline shaft which is opposite to the second inner spline rotating sleeve is fixedly arranged at the left side end of the fourth gear, a second connecting gear disc which is opposite to the first connecting gear disc is fixedly, a first magnetic block is fixedly arranged in the left end face of the movable sliding table, a second magnetic block is fixedly arranged in the right end face of the movable sliding table, a first electromagnetic coil device arranged opposite to the first magnetic block is further arranged in the left end face of the second inner cavity, a second electromagnetic coil device arranged opposite to the second magnetic block is further arranged in the right end face of the second inner cavity, a lock groove is arranged in the bottom wall of the second inner cavity, a telescopic chute with a downward opening is arranged in the bottom end face of the movable sliding table, limited chutes are arranged in the left side wall and the right side wall of the telescopic chute, a locking slide block is connected in a sliding fit manner in the telescopic chute, a limiting block fixedly connected with the locking slide block in a matched manner is connected in the limited chute in a sliding fit manner, a fourth spring is arranged between the top end face of the limiting block and the top wall of the limited chute, and a third magnetic block is fixedly, and a third electromagnetic coil device is fixedly arranged in the top wall of the telescopic chute.

According to a further technical scheme, a cylindrical chamfer part is arranged at the tail end of the left side of the second spline shaft.

In a further technical scheme, the first spring, the second spring, the third spring and the fourth spring are all top pressure springs.

The invention has the beneficial effects that: this device simple structure, convenient operation, the centre gripping step is simple, through power drive mechanism with drive into link gear power fit, and then the automatic control work piece's of being convenient for centre gripping work, through power drive mechanism and locking mechanical system power fit, and then the automatic control of being convenient for removes centre gripping work, the quick assembly disassembly operation of easy work piece, and the centre gripping stability is high, and machining precision has been improved, can also realize the rotation processing work of automatic control work piece, machining efficiency has been improved greatly, reduce the work piece disability rate, be favorable to the production and the development of enterprise.

Drawings

FIG. 1 is a schematic view of an external overall structure of a clamp of a machining center of a numerically-controlled machine tool according to the present invention;

FIG. 2 is a schematic view of the internal structure of the jig frame according to the present invention;

FIG. 3 is an enlarged partial schematic view of A of FIG. 2 according to the present invention;

fig. 4 is a partially enlarged view of B in fig. 2 according to the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, a machining center clamp of a numerical control machine according to an embodiment of the present invention includes a clamp frame 6, a machining area 61 is provided in an end surface of a top of the clamp frame 6, the machining area 61 is disposed to penetrate through the clamp frame in a front-back direction, so as to facilitate quick assembly and disassembly of a machined workpiece and to facilitate cleaning of the machining area 61, a first clamping plate 611 is connected to a right side wall of the machining area 61 in a rotating fit manner, a first sliding chamber 62 is provided in a left side wall of the machining area 61 to extend in a left-right direction, a right end of the first sliding chamber 62 is communicated with the machining area 61, a first slider 621 is connected to the first sliding chamber 62 in a sliding fit manner, a first inner chamber 68 is communicated with a left end of the first sliding chamber 62, a second inner chamber 67 is communicated with a bottom of the first inner chamber 68, a second sliding chamber 64 is provided on an upper, a through sliding groove 63 is penetratingly arranged between the second sliding cavity 64 and the first sliding cavity 62, a third inner cavity 66 extending upward is arranged on the left side of the second inner cavity 67, the top end of the third inner cavity 66 is communicated with a left extending section of the second sliding cavity 64, a sliding rack 65 is arranged in the second sliding cavity 64, a second sliding block 643 is connected in a sliding fit manner in the through sliding groove 63, a guide sliding rod 641 extending leftwards and rightwards is connected in a sliding fit manner in the second sliding block 643, the left and right ends of the guide sliding rod 641 are respectively fixedly connected with the left and right walls of the through sliding groove 63 in a matching manner, the top extending section of the second sliding block 643 extends into the second sliding cavity 64 and is located at the right side position of the sliding rack 65, the bottom end of the second sliding block 643 is fixedly connected with the first sliding block 621 in a matching manner, and a first spring 642 is annularly arranged on the outer surface of the guide sliding rod 643, the first spring 642 is located at the right side of the second slider 643, the first slider 621 is connected with a first inner spline rotating sleeve 622 in a rotationally matched manner, the right end of the first inner spline rotating sleeve 622 is fixedly provided with a second clamping disc 623 located in the processing area 61, the first inner cavity 68 is connected with a first gear 681 and a second gear 682 in a rotationally matched manner, the second gear 682 is in meshed connection with the first gear 681, the second gear 682 is located at the lower side of the first gear 681, the maximum circumscribed circle of the bottom of the second gear 682 extends into the second inner cavity 67, the right end of the second gear 682 is fixedly provided with a first spline shaft 624 in matched connection with the first inner spline rotating sleeve 622, a driving linkage mechanism is arranged in the third inner cavity 66, the bottom of the first sliding cavity 62 is provided with a locking mechanism, and a power driving linkage mechanism in power matched connection with the driving linkage mechanism and the locking mechanism is arranged in the second inner cavity 67 And (4) a mechanism.

Advantageously or exemplarily, the top of the clamp frame 6 is provided with a workpiece numerical control machining executing mechanism 7, so that the workpiece machining operation can be automatically controlled conveniently.

Advantageously or exemplarily, the second clamping disk 623 is arranged opposite to the first clamping disk 611, and the end surfaces of the second clamping disk 623 opposite to the first clamping disk 611 are provided with elastic wear pads, so that the clamping stability is improved.

Beneficially or exemplarily, the driving linkage comprises a second internally splined rotating sleeve 666 disposed in a rotationally fitted connection between the third inner cavity 66 and the second inner cavity 67, a first bevel gear 663 disposed in the rotationally fitted connection in the second inner cavity 67, and a third gear 661 disposed in the rotationally fitted connection in the second inner cavity 67 and located on the upper right side of the first bevel gear 663, a second bevel gear 667 in meshed connection with the first bevel gear 663 is fixedly arranged at the left end of the second internal spline rotating sleeve 666, a first belt wheel 665 is fixedly arranged at the front side end of the first bevel gear 663, a second belt wheel 662 is fixedly arranged at the front side end of the third gear 661, a drive belt 664 is connected in a power-fit manner between the first pulley 665 and the second pulley 662, thereby realizing the movement work of the second clamping disk 623 in linkage control and further realizing the rapid clamping work.

Beneficially or exemplarily, the locking mechanism includes a third sliding cavity 69 whose top end is communicated with the bottom of the first sliding cavity 62, and a third sliding block 691 disposed in the third sliding cavity 69, a plurality of sets of first inclined teeth 693 arranged at equal intervals are fixedly disposed on a top end surface of the third sliding block 691, a second inclined tooth 625 disposed in the third sliding cavity 69 and connected with the first inclined teeth 693 in an abutting fit manner is fixedly disposed on a bottom end surface of the first sliding block 621, guide sliding grooves 692 are disposed in left and right side walls of the third sliding cavity 69, ends of left and right sides of the third sliding block 691 respectively extend into the guide sliding grooves 692 on left and right sides and are connected with the same in a sliding fit manner, a second spring 694 is connected between the bottom end surface of the third sliding block 691 and a bottom wall of the third sliding cavity 69 in an abutting fit manner, a groove 695 is further disposed in a bottom wall of the third sliding cavity 69, the recess 695 internal rotation fit is connected with third bevel gear 6951, the preceding side of third bevel gear 6951 has set firmly reel 6952, around being equipped with stay cord 697 on the reel 6952, stay cord 697 is kept away from stay cord 697 one end with the bottom terminal surface fixed coordination of third slider 691 is connected, the recess 695 with the running fit is connected with axis of rotation 696 between the second inner chamber 67, the left side end of axis of rotation 696 has set firmly and is located first connection fluted disc 6962 in the second inner chamber 67, the right side end of axis of rotation 696 set firmly with the fourth bevel gear 696 that third bevel gear 6951 meshing is connected to realize automatic control location locking work, improved the convenience of locking.

Beneficially or exemplarily, the power driving mechanism includes a movable sliding table 8 disposed in the second inner cavity 67 in a sliding fit connection manner, a guide sliding rod 82 is connected in the movable sliding table 8 in a sliding fit connection manner, the left and right ends of the guide sliding rod 82 are respectively connected with the left and right walls of the second inner cavity 67 in a fixed fit manner, a third spring 821 is disposed around the outer surface of the guide sliding rod 82 on the left and right sides of the movable sliding table 8, a supporting table 81 is fixedly disposed on the top end surface of the movable sliding table 8, the supporting table 81 is located between the second internal spline rotating sleeve 666 and the first connecting gear disc 6962, a driving motor 811 is fixedly disposed in the supporting table 81, a fourth gear 813 is dynamically connected to the left end of the driving motor 811, a second spline shaft 814 disposed opposite to the second spline internal rotating sleeve 666 is fixedly disposed at the left end of the fourth gear 813, the right side end of the driving motor 811 is connected with a second connecting fluted disc 812 which is oppositely arranged with the first connecting fluted disc 6962 in a power fit manner, a first magnetic block 85 is fixedly arranged in the left side end face of the movable sliding table 8, a second magnetic block 83 is fixedly arranged in the right side end face of the movable sliding table 8, a first electromagnetic coil device 86 which is oppositely arranged with the first magnetic block 85 is further arranged in the left side end face of the second inner cavity 67, a second electromagnetic coil device 84 which is oppositely arranged with the second magnetic block 83 is further arranged in the right side end face of the second inner cavity 67, a lock groove 671 is arranged in the bottom wall of the second inner cavity 67, a telescopic sliding groove 87 with an opening downwards arranged is arranged in the bottom end face of the movable sliding table 8, limited sliding grooves 871 are respectively arranged in the left side wall and the right side wall of the telescopic sliding groove 87, a lock sliding block 874 is connected with a limiting block 872 which is fixedly matched and connected with the lock sliding block 874 in a sliding, a fourth spring 873 is arranged between the top end face of the limiting block 872 and the top wall of the limiting sliding groove 871, a third magnetic block 875 is fixedly arranged in the top end face of the locking sliding block 874, and a third electromagnetic coil device 876 is fixedly arranged in the top wall of the telescopic sliding groove 87, so that power driving work is realized.

Advantageously or illustratively, the left-hand end of the second splined shaft 814 is provided with a cylindrical chamfer to facilitate a quick and accurate mating operation of the second splined shaft 814 with the second internally splined hub 666.

Advantageously or exemplarily, the first spring 642, the second spring 694, the third spring 821 and the fourth spring 873 are all top pressure springs, so that the automatic control return operation is realized.

In the initial state, the sliding rack 65 is located at the leftmost position in the second sliding cavity 64, and at the same time, the second slider 643 is pressed by the first spring 642 to make the second slider 643 located at the leftmost position in the through sliding slot 63, at this time, the second slider 643 drives the first slider 621 to be located at the largest extent in the first sliding cavity 62, and the second clamping disk 623 at the right end of the first inner spline runner 622 is located at the leftmost position in the processing area 61, and further the second clamping disk 623 is located at the largest extent away from the first clamping disk 611, at the same time, the third slider 691 is pressed by the second spring 694 to make the third slider 691 slide to the top position in the guiding sliding slot 692, at this time, the first bevel teeth 693 at the top of the third slider 691 are located at the topmost position in the third sliding cavity 69, and at the same time, the first slider 621 drives the second bevel teeth 625 to be located at the leftmost position in the third sliding cavity 69, and the inclined plane on the first inclined plane tooth 693 and the inclined plane on the second inclined plane tooth 625 are in a butt joint state, at this time, the movable sliding table 8 is enabled to include a middle position located in the second inner cavity 67 due to the jacking force of the third springs 821 on the left and right sides, meanwhile, the bottom end of the telescopic sliding groove 87 and the lock groove 671 are enabled to be in a relative position, at this time, the limiting block 872 is enabled to receive the jacking force of the fourth spring 873, the limiting block 872 drives the lock sliding block 874 to extend into the lock groove 671 to the maximum extent, locking work of the movable sliding table 8 is further achieved, meanwhile, the fourth gear 813 on the left side of the supporting table 81 is enabled to be located in a power fit connection state of the first gear 681, and at this time, the second spline shaft 814 is enabled to be far away from the second inner spline rotating sleeve 666 and the second connecting fluted disc 812 is enabled to be far away from.

Example 1

When a workpiece needs to be clamped, the third electromagnetic coil device 876 is powered on to generate suction between the third electromagnetic coil device 876 and the third magnetic block 875, so that the lock slider 874 drives the limiting block 872 to slide upwards against the pressing force of the fourth spring 873 until the lock slider 874 completely slides out of the lock groove 671, meanwhile, the first electromagnetic coil device 86 is controlled to be powered on to generate suction between the first electromagnetic coil device 86 and the first magnetic block 85, so that the movable sliding table 8 slides to the leftmost position in the second inner cavity 67 to the maximum extent against the pressing force of the left third spring 821, at this time, the second spline shaft 814 is connected with the second internal spline sleeve 666 in a power fit manner, the fourth gear 813 and the second gear are in a disengaged state, then the second spline shaft 814 is controlled to rotate by the driving motor 811, the second spline shaft 814 drives the second internal spline sleeve 666 and the second bevel gear 667 to rotate, the second bevel gear 667 further drives the first bevel gear 663 and the first belt gear 665 to rotate, at this time, the second pulley 662 and the third gear 661 are rotated by the driving belt 664 of the first pulley 665, the third gear 661 slides the sliding rack 65 in the right direction in the second sliding chamber 64, and the right end of the slide rack 65 abuts against the top extension of the second slider 643, thereby realizing that the second sliding block 643 drives the first sliding block 621 to slide towards the right direction in the first sliding chamber 62 against the top pressure of the first spring 642, thereby realizing that the second clamping disk 623 on the right side of the first slider 621 gradually slides toward the first clamping disk 611 side, and then realize the quick centre gripping work of work piece, simultaneously by the cooperation of second bevel tooth 625 and the roof pressure of first bevel tooth 693 of first slider 621 bottom, and then quick location locking work to the stability of centre gripping work has been improved.

Example 2

When a workpiece needs to be rotationally machined, the movable sliding table 8 is kept at the initial state, meanwhile, the lock slider 874 and the lock groove 671 are in a locking connection state, the fourth gear 813 and the second gear 682 are in a meshing connection state, then the fourth gear 813 is controlled to rotate through the driving motor 811, and then the fourth gear 813 drives the second gear 682 and the first gear 681 to rotate, at this time, the first gear 681 drives the first spline shaft 624 and the first inner spline rotating sleeve 622 to rotate, the first inner spline rotating sleeve 622 drives the second clamping disk 623 to rotate, and then the workpiece between the second clamping disk 623 and the first clamping disk 611 is driven to rotate.

Example 3

When a workpiece needs to be taken out, the second electromagnetic coil device 84 is controlled to be electrified, so that the second electromagnetic coil device 84 and the second magnetic block 83 generate suction force, the movable sliding table 8 slides to the rightmost position in the second inner cavity 67 to the greatest extent against the jacking force of the right third spring 821, at this time, the second connecting toothed disc 812 on the right side of the supporting table 81 is in power fit connection with the first connecting toothed disc 6962, at the same time, the fourth gear 813 on the left side of the supporting table 81 is in a disengaged state with the second gear 682, the second connecting toothed disc 812 is driven to rotate by the driving motor 811, the first connecting toothed disc 6962, the rotating shaft 696 and the fourth bevel gear 696 are driven to rotate by the second connecting toothed disc 812, at this time, the third bevel gear 6951 and the reel 6952 are driven to rotate by the fourth bevel gear 696, and the third sliding block 691 is pulled by the pull rope 697 on the reel 6952 to slide downwards against the jacking force of the second spring 694, until the first inclined teeth 693 on the third slider 691 disengage and move away from the second inclined teeth 625, at this time, the first slider 621 is pressed by the first spring 642 through the second slider 643, so that the first slider 621 is restored to the initial position.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a digit control machine tool machining center anchor clamps, includes anchor clamps frame (6), its characterized in that: the fixture comprises a fixture rack (6), a processing area (61) which is arranged in a penetrating manner is arranged in the top end face of the fixture rack (6), a first clamping disc (611) is connected to the right side wall of the processing area (61) in a rotating fit manner, a first sliding cavity (62) which is arranged in a left-right extending manner is arranged in the left side wall of the processing area (61), the right end of the first sliding cavity (62) is communicated with the processing area (61), a first sliding block (621) is connected in the first sliding cavity (62) in a sliding fit manner, a first inner cavity (68) is communicated with the left end of the first sliding cavity (62), a second inner cavity (67) is communicated with the bottom of the first inner cavity (68), a second sliding cavity (64) which is arranged in a extending manner is arranged on the left side of the first sliding cavity (62), and a penetrating chute (63) is arranged between the second sliding cavity (64) and the first sliding cavity (62), a third inner cavity (66) extending upwards is arranged on the left side of the second inner cavity (67), the top end of the third inner cavity (66) is communicated with a left extending section of the second sliding cavity (64), a sliding rack (65) is arranged in the second sliding cavity (64), a second sliding block (643) is connected in a sliding fit manner in the through sliding groove (63), a guide sliding rod (641) extending leftwards and rightwards is connected in the second sliding block (643) in a sliding fit manner, the left and right ends of the guide sliding rod (641) are respectively fixedly connected with the left and right walls of the through sliding groove (63) in a matching manner, the top extending section of the second sliding block (643) extends into the second sliding cavity (64) and is located at the right side position of the sliding rack (65), the bottom end of the second sliding block (643) is fixedly connected with the first sliding block (621) in a matching manner, and a first spring (642) is arranged on the outer surface of the guide sliding rod (641) in a ring manner, the first spring (642) is located at the right side of the second slider (643), a first internal spline rotating sleeve (622) is connected in a rotating and matching mode in the first slider (621), a second clamping disc (623) located in the machining area (61) is fixedly arranged at the right side end of the first internal spline rotating sleeve (622), a first gear (681) and a second gear (682) are connected in a rotating and matching mode in the first inner cavity (68), the second gear (682) is in meshing connection with the first gear (681), the second gear (682) is located at the lower side of the first gear (681), the maximum circumcircle of the bottom of the second gear (682) extends into the second inner cavity (67), a first spline shaft (624) in matching connection with the first internal spline rotating sleeve (622) is fixedly arranged at the right side end of the second gear (682), and a driving linkage mechanism is arranged in the third inner cavity (66), the bottom of the first sliding cavity (62) is provided with a locking mechanism, and a power driving mechanism which is in power fit connection with the driving linkage mechanism and the locking mechanism is arranged in the second inner cavity (67).

2. The clamp of the numerical control machine tool machining center according to claim 1, wherein: and a workpiece numerical control machining executing mechanism (7) is arranged at the top of the clamp rack (6).

3. The clamp of the numerical control machine tool machining center according to claim 1, wherein: the second clamping disk (623) is arranged opposite to the first clamping disk (611), and elastic wear-resistant pads are arranged on the end faces of the second clamping disk (623) opposite to the first clamping disk (611).

4. The clamp of the numerical control machine tool machining center according to claim 1, wherein: drive linkage includes that the running fit connection set up in third inner chamber (66) with second internal spline between second inner chamber (67) changes set (666), running fit connection set up in first bevel gear (663) and running fit connection in the second inner chamber (67) set up in the second inner chamber (67) and be located third gear (661) of first bevel gear (663) upper right side, the left side end of second internal spline commentaries on classics set (666) set firmly with second bevel gear (667) that first bevel gear (663) meshing is connected, the leading side end of first bevel gear (663) has set firmly first band pulley (665), the leading side end of third gear (661) has set firmly second band pulley (662), first band pulley (665) with power fit is connected with drive belt (664) between second band pulley (662).

5. The machining center clamp of the numerical control machine tool as claimed in claim 4, wherein: the locking mechanism comprises a third sliding cavity (69) and a third sliding block (691), wherein the top end of the third sliding cavity (62) is communicated with the bottom of the first sliding cavity (69), the third sliding block (691) is arranged in the third sliding cavity (69), a plurality of groups of first bevel teeth (693) which are distributed at equal intervals are fixedly arranged on the top end surface of the third sliding block (691), second bevel teeth (625) which are positioned in the third sliding cavity (69) and are used for being connected with the first bevel teeth (693) in a jacking and matching manner are fixedly arranged on the bottom end surface of the first sliding block (621), guide sliding grooves (692) are respectively arranged in the left side wall and the right side wall of the third sliding cavity (69), the tail ends of the left side and the right side of the third sliding block (691) respectively extend into the guide sliding grooves (692) on the left side and the right side and are connected with the guide sliding grooves in a sliding and matching manner, and a second spring (694) is connected between the bottom end surface of the third sliding cavity (691), still be equipped with recess (695) in the diapire of third smooth chamber (69), recess (695) internal rotation fit is connected with third bevel gear (6951), the preceding side of third bevel gear (6951) has set firmly reel (6952), around being equipped with stay cord (697) on reel (6952), stay cord (697) are kept away from stay cord (697) one end with the bottom terminal surface fixed coordination of third slider (691) is connected, recess (695) with the normal running fit is connected with axis of rotation (696) between second inner chamber (67), the left side end of axis of rotation (696) sets firmly to be located first connection fluted disc (6962) in second inner chamber (67), the right side end of axis of rotation (696) set firmly with fourth bevel gear (696) that third bevel gear (6951) meshing is connected.

6. The machining center clamp of the numerical control machine tool as claimed in claim 5, wherein: power drive mechanism include sliding fit connect set up in removal slip table (8) in second inner chamber (67), sliding fit is connected with direction slide bar (82) in removal slip table (8), the left and right sides end of direction slide bar (82) respectively with the fixed cooperation of the left and right walls of second inner chamber (67) is connected, remove the slip table (8) left and right sides around being equipped with third spring (821) on direction slide bar (82) surface, supporting bench (81) have set firmly on the top terminal surface of removal slip table (8), supporting bench (81) are located second internal spline changes cover (666) with between first connection fluted disc (6962), supporting bench (81) internal set firmly driving motor (811), the left side end power fit of driving motor (811) is connected with fourth gear (813), the left side end of fourth gear (813) be equipped with the second internal spline changes the second spline that cover (666) set up relatively A shaft (814), the right side end of driving motor (811) power fit be connected with the second connection fluted disc (812) that first connection fluted disc (6962) set up relatively, the left side terminal surface of removing slip table (8) has set firmly first magnetic block (85), the right side terminal surface of removing slip table (8) has set firmly second magnetic block (83), still be equipped with in the left side terminal surface of second inner chamber (67) with first magnetic block (85) relative first electromagnetic coil device (86) that set up, still be equipped with in the right side terminal surface of second inner chamber (67) with second magnetic block (83) relative second electromagnetic coil device (84) that sets up, be equipped with lock recess (671) in the diapire of second inner chamber (67), be equipped with flexible spout (87) that the opening set up downwards in the bottom terminal surface of removing slip table (8), all be equipped with limited spout (871) in the left and right sides wall of flexible spout (87), sliding fit is connected with lock slider (874) in flexible spout (87), sliding fit is connected with in limit spout (871) with stopper (872) that lock slider (874) fixed fit is connected, the top terminal surface of stopper (872) with be equipped with fourth spring (873) between limit spout (871) the roof, the top terminal surface internal stability of lock slider (874) has third magnetic path (875), the roof internal stability of flexible spout (87) has third electromagnetic coil device (876).

7. The clamp of the numerical control machine tool machining center according to claim 6, wherein: the left end of the second spline shaft (814) is provided with a cylindrical chamfer.

8. The clamp of the numerical control machine tool machining center according to claim 6, wherein: the first spring (642), the second spring (694), the third spring (821) and the fourth spring (873) are all top pressure springs.