CN213410376U

CN213410376U - Numerical control turret

Info

Publication number: CN213410376U
Application number: CN202021992050.XU
Authority: CN
Inventors: 王一帆; 陈新强; 王云青
Original assignee: Wenling Wenchang Cnc Machine Tool Equipment Co ltd
Current assignee: Wenling Wenchang Cnc Machine Tool Equipment Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-11
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to a numerical control turret, it includes turret body and blade disc, be provided with the axis of rotation on the blade disc, the axis of rotation is rotated and is connected on the turret body, still be provided with first driving piece on the turret body, first driving piece drive axis of rotation rotates, be provided with a plurality of blade holders on the blade disc, the blade holder supplies cutter forward centre gripping or reverse centre gripping, be provided with the bearing platform on the turret body, the bearing platform is close to the blade disc setting, the bearing platform setting is worn to establish by the axis of rotation, the bearing platform supports the axis of rotation. Through setting up blade holder and cushion cap, the cutter through the positive centre gripping of blade holder on the blade disc and the cutter of reverse centre gripping can be processed the axial both ends of work piece respectively for it is more convenient to process work piece axial both ends, has strengthened the support to the pivot, has reduced the wearing and tearing of axis of rotation and the contact department of sword tower body, makes the axis of rotation more durable.

Description

Numerical control turret

Technical Field

The application relates to the field of turret technology, in particular to a numerical control turret.

Background

Turning, i.e., lathe machining, is a part of machining, and turning is mainly performed on a rotating workpiece with a turning tool. The cutter tower is the most common equipment for lathe machining and comprises a cutter tower body and a cutter head, wherein a cutter holder is arranged on the cutter head and used for installing a cutter, and the cutter holder rotates to realize cutter changing in the turning process.

The inventor finds that the existing tool turret can only process one end of a workpiece, and the two axial ends of the workpiece are troublesome to process and need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the processing is more troublesome to work piece axial both ends, this application provides a numerical control sword tower.

The application provides a numerical control sword tower adopts following technical scheme:

the utility model provides a numerical control turret, includes turret body and blade disc, be provided with the axis of rotation on the blade disc, the axis of rotation rotate connect in on the turret body, still be provided with first driving piece on the turret body, first driving piece drive the axis of rotation rotates, be provided with a plurality of blade holders on the blade disc, the blade holder supplies the positive centre gripping of cutter or reverse centre gripping, be provided with the bearing platform on the turret body, the bearing platform is close to the blade disc sets up, the axis of rotation is worn to establish the bearing platform sets up, the bearing platform is right the axis of rotation supports.

By adopting the technical scheme, when one end of the workpiece is machined, the cutter is clamped in the positive direction through the cutter holder, and then the workpiece is machined; when two axial ends of a workpiece are machined, part of tool holders clamp tools in a forward direction, the other part of tool holders clamp tools in a reverse direction, one end of the workpiece is machined through the tool clamped in the forward direction, then the workpiece is moved to the tool clamped in the reverse direction, and the other end of the workpiece is machined through the tool clamped in the reverse direction, so that the two axial ends of the workpiece are machined more conveniently; set up the bearing platform, strengthened the support to the axis of rotation, when the axis of rotation drives the cutter head and rotates together, reduced the wearing and tearing of axis of rotation and sword tower body contact department for the axis of rotation is more durable.

Optionally, the turret body includes a fixed seat and a sliding seat connected to the fixed seat in a sliding manner, the fixed seat is provided with a sliding rail, the sliding seat is provided with a sliding chute matched with the sliding rail, the sliding direction of the sliding seat is vertically arranged, and the supporting table is arranged on the sliding seat; the fixing seat is provided with an adjusting piece, and the adjusting piece is used for adjusting the position of the sliding seat.

By adopting the technical scheme, the sliding seat can be driven to move according to the height control adjusting piece of the processed workpiece, the cutter holder moving to the cutter disc on the sliding seat is aligned with the processed workpiece, the processed workpiece is processed, and the applicability of the cutter tower is improved.

Optionally, the adjusting part including rotate connect in lead screw on the fixing base with set up in second driving piece on the fixing base, the length direction of lead screw is followed the direction of sliding of seat of sliding sets up, the lead screw with seat threaded connection slides, the drive of second driving piece the lead screw rotates.

Through adopting above-mentioned technical scheme, set up lead screw and second driving piece, when the height of being processed the work piece is different with the height of blade holder, control second driving piece drive lead screw and rotate, the lead screw rotates and drives the seat that slides along the length direction of lead screw, remove to the blade holder on the seat that slides on the blade disc and align by the processing work piece, stop control second driving piece makes the lead screw stall to realize the location of the seat that slides on the fixing base, make the position of adjusting the seat that slides more convenient.

Optionally, the second driving part comprises a driving motor and a transmission structure, the driving motor and the transmission structure are arranged on the fixed seat, the transmission structure comprises a first transmission wheel, a second transmission wheel and a transmission belt, the first transmission wheel is coaxially arranged on the screw rod, the second transmission wheel is coaxially arranged on the output shaft of the driving motor, and the transmission belt is tensioned between the first transmission wheel and the second transmission wheel.

Through adopting above-mentioned technical scheme, set up driving motor and transmission structure, control driving motor's output shaft rotates, and driving motor's output shaft drives the lead screw through the belt drive and rotates to adjust the position of the seat that slides, make the position of adjusting the seat that slides more convenient.

Optionally, the fixing seat includes a seat body and an adjusting block slidably connected to the seat body, the screw rod is disposed on the seat body, a sliding direction of the adjusting block is disposed toward or away from the first driving wheel, the sliding direction of the adjusting block is perpendicular to a length direction of the screw rod, and the driving motor is disposed on the adjusting block; the base body is further provided with a fixing block, the fixing block is connected with an adjusting bolt in a threaded mode, the adjusting bolt abuts against the corresponding outer side wall of the adjusting block, and the adjusting bolt is matched with the adjusting block to adjust the tensioning force of the transmission belt.

By adopting the technical scheme, the adjusting bolt is twisted, the adjusting bolt moves towards the direction close to the first driving wheel, and the adjusting block moves towards the direction close to the first driving wheel after losing the force for tightly abutting the adjusting bolt, so that the tensioning force of the driving belt is reduced; adjusting bolt supports tight regulating block and drives the regulating block and remove towards the direction of keeping away from first drive wheel for the tensioning dynamics increase of drive belt, thereby reach the tensioning dynamics adjustable effect of drive belt, make transmission structure's transmission effect better.

Optionally, a baffle is arranged on the sliding seat, the baffle is sleeved on the bearing platform and is fixedly connected with the sliding seat, and the slide rail and the screw rod are separated from the cutter head by the baffle.

Through adopting above-mentioned technical scheme, set up the baffle, the baffle stops outside with the piece that produces in the work piece course of working, has reduced the condition that the piece gets into in the slide rail or the lead screw and the space department of junction between the seat that slides to reduce the influence to sliding the seat and sliding on the fixing base, make the position of adjusting the seat that slides more convenient.

Optionally, the fixed seat is provided with two caulking grooves, the two caulking grooves are respectively located on two opposite sides of the fixed seat along the sliding direction of the sliding seat, and the length directions of the two caulking grooves are both arranged along the sliding direction of the sliding seat; the baffle is located two tip of the relative both sides of seat slip direction of sliding slide and slide respectively and connect in corresponding caulking groove.

Through adopting above-mentioned technical scheme, when the seat that slides on the fixing base, drive the baffle and slide together, need not to dismantle the baffle and wait to slide to install the baffle again after the seat position regulation, improved the suitability of baffle.

Optionally, the baffle includes first plate body and second plate body, first plate body with the concatenation of second plate body is formed with the through-hole, the through-hole supplies the bearing platform is worn to establish, first plate body with all be provided with the retaining member on the second plate body, retaining member on the first plate body will first plate body is fixed in on the seat of sliding, retaining member on the second plate body will the second plate body is fixed in on the seat of sliding.

Through adopting above-mentioned technical scheme, during the installation baffle, install first plate body on the seat that slides to on being fixed in the seat that slides first plate body through the retaining member on the first plate body, aim at second plate body and first plate body and splice again, make the bearing platform be located the through-hole, on being fixed in the fixing base with the second plate body through the retaining member on the second plate body, can accomplish the installation of baffle, need not to dismantle the blade disc, install the baffle on the seat that slides, make the installation baffle more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the tool apron and the supporting platform, the axial two ends of the workpiece can be respectively processed by the tool clamped by the tool apron on the cutter head in the forward direction and the tool clamped by the tool apron in the reverse direction, so that the axial two ends of the workpiece are more conveniently processed, the support for the rotating shaft is enhanced, the abrasion of the contact part of the rotating shaft and the cutter tower body is reduced, and the rotating shaft is more durable;

the screw rod and the second driving piece are arranged, the second driving piece is controlled to drive the screw rod to rotate, the screw rod rotates to drive the sliding seat to slide, and after the sliding seat moves to a corresponding position, the second driving piece is stopped being controlled, so that the sliding seat can be positioned on the fixed seat, and the position of the sliding seat can be adjusted more conveniently;

through setting up the baffle, the piece that the baffle produced in with the work piece course of working blocks outside, has reduced the piece and has got into in the slide rail or the lead screw and the condition in the space department of junction between the seat that slides to reduce the influence to sliding the seat and sliding on the fixing base, make the position of adjusting the seat that slides more convenient.

Drawings

FIG. 1 is an overall view of the present embodiment;

fig. 2 is a partial schematic structural view of the present embodiment, mainly showing the structures of the sliding seat and the fixing seat;

fig. 3 is a partial structural schematic view of the present embodiment, mainly showing the structure of the sliding hole;

fig. 4 is a partial schematic structural view of the present embodiment, mainly showing the structure of the sliding chute;

FIG. 5 is an enlarged view of portion A of FIG. 4, showing primarily the structure of the adjustment block;

fig. 6 is a partial structural schematic view of the present embodiment, mainly showing the structure of the screw rod;

fig. 7 is a partial structural schematic view of the present embodiment, mainly showing the structure of the baffle.

Description of reference numerals: 1. a turret body; 11. a fixed seat; 111. a base body; 1111. caulking grooves; 1112. a sliding groove; 1113. a threaded hole; 112. an adjusting block; 1121. a sliding part; 1122. an adjustment section; 12. a sliding seat; 2. a cutter head; 21. a tool apron; 3. a rotating shaft; 4. a sliding hole; 5. a slide rail; 51. a chute; 6. a first driving member; 7. a support platform; 8. a fixed block; 81. adjusting the bolt; 9. a strip hole; 10. an adjustment member; 101. a screw rod; 102. a second driving member; 13. a drive motor; 14. a transmission structure; 141. a first drive pulley; 142. a second transmission wheel; 143. a transmission belt; 15. a baffle plate; 151. a first plate body; 152. a second plate body; 16. a locking member; 17. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a numerical control turret. Referring to fig. 1, the numerical control turret includes a turret body 1 and a cutter head 2, and the cutter head 2 is located on one side of the turret body 1 along the horizontal direction.

Referring to fig. 1, a rotating shaft 3 is fixed on the outer side wall of the cutter head 2, the rotating shaft 3 is located on one side of the cutter head 2 close to the cutter tower body 1, and the length direction of the rotating shaft 3 is perpendicular to the end face of the cutter head 2 close to the rotating shaft 3. The rotating shaft 3 is rotatably connected to the turret body 1, and the rotating axis of the rotating shaft 3 is parallel to the length direction of the rotating shaft 3.

Referring to fig. 1, a plurality of tool holders 21 are fixed on the cutter head 2, the tool holders 21 are circumferentially and uniformly distributed along the rotation axis of the rotation shaft 3, and each tool holder 21 is used for forward clamping or reverse clamping of a tool.

Referring to fig. 2, the turret body 1 includes a fixing base 11 and a sliding base 12, and the fixing base 11 includes a base 111 and an adjusting block 112. The end face of the seat body 111 close to the cutter head 2 is provided with a sliding hole 4, and the length direction of the sliding hole 4 is vertically arranged. Be fixed with two slide rails 5 on the lateral wall of pedestal 111, two slide rails 5 are located the 4 length direction's of sliding hole relative both sides respectively, and two slide rails 5 all set up towards blade disc 2, and the length direction of two slide rails 5 all is on a parallel with the length direction setting of sliding hole 4, and two slide rails 5 align the setting.

Referring to fig. 2 and 3, the seat 12 that slides wears to establish the setting of sliding hole 4, has seted up two spout 51 on the lateral wall of seat 12 that slides, and two spout 51 correspond two slide rail 5 settings, and seat 12 that slides through the cooperation of two spout 51 and two slide rail 5 and is connected in sliding hole 4, and the direction of sliding of seat 12 that slides sets up along the length direction of sliding hole 4.

Referring to fig. 3, the rotating shaft 3 is rotatably connected to the sliding seat 12, and the rotating shaft 3 is located at one end of the sliding seat 12 close to the cutter head 2. The first driving member 6 is fixed on the sliding seat 12, in this embodiment, the first driving member 6 is a motor, the first driving member 6 is located at an end of the sliding seat 12 away from the cutter head 2, an output shaft of the first driving member 6 penetrates through the sliding seat 12 and is fixedly connected with the rotating shaft 3, and the first driving member 6 drives the rotating shaft 3 to rotate.

Referring to fig. 3, a supporting platform 7 is further fixed on the sliding seat 12, and the supporting platform 7 is arranged close to the cutter head 2. The rotating shaft 3 penetrates through the bearing platform 7 and is fixedly connected with the bearing platform 7, and the bearing platform 7 supports the rotating shaft 3.

Referring to fig. 4, two caulking grooves 1111 have been seted up on the lateral wall of pedestal 111, and two caulking grooves 1111 are located pedestal 111 respectively along the relative both sides of the seat 12 slip direction that slides, and two caulking grooves 1111 are located respectively and correspond slide rail 5 and keep away from one side of blade disc 2, and the length direction of two caulking grooves 1111 all sets up along the slide direction of the seat 12 that slides.

Referring to fig. 4 and 5, the upper end surface of the seat body 111 is provided with a sliding groove 1112, and the length direction of the sliding groove 1112 is perpendicular to the sliding direction of the sliding seat 12. A fixing block 8 is fixed to the upper end surface of the seat body 111, and the fixing block 8 is located in the extending direction of the sliding groove 1112 in the length direction. Threaded connection has adjusting bolt 81 on the fixed block 8, and the length direction of adjusting the bolt sets up in parallel with the length direction of groove 1112 that slides, and adjusting bolt 81 wears to establish the fixed block 8 setting, and adjusting bolt 81's head is located the fixed block 8 and keeps away from the one side of groove 1112 that slides.

Referring to fig. 5, a plurality of screw holes 1113 have still been seted up to the up end of pedestal 111, and a plurality of screw holes 1113 equally divide into first row screw hole 1113 and second row screw hole 1113, and first row screw hole 1113 and second row screw hole 1113 are located the relative both sides of groove 1112 along its length direction that slides respectively, and first row screw hole 1113 and second row screw hole 1113 all distribute along the length direction of groove 1112 that slides, and first row screw hole 1113 and the setting of second row screw hole 1113 one-to-one.

Referring to fig. 5, the adjusting block 112 is slidably connected to the seat 111, the adjusting block 112 is located above the seat 111, the sliding direction of the adjusting block 112 moves toward or away from the first driving wheel 141, and the sliding direction of the adjusting block 112 is arranged along the length direction of the sliding groove 1112. The adjusting block 112 includes a block sliding portion 1121 and an adjusting portion 1122, the sliding portion 1121 is connected in the sliding groove 1112 in a sliding manner, the adjusting portion 1122 is located on one side of the sliding portion 1121, which is far away from the sliding groove 1112, the lower end face of the adjusting portion 1122 is arranged to abut against the upper end face of the seat body 111, and the adjusting portion 1122 is fixedly connected with the sliding portion 1121. In actual use, the sliding portion 1121 is provided integrally with the adjusting portion 1122. The adjusting part 1122 is located on one side of the fixed block 8 close to the sliding groove 1112, and the end part of the adjusting bolt 81 close to the sliding groove 1112 abuts against the outer side wall of the adjusting part 1122 close to the fixed block 8.

Referring to fig. 5, the upper end surface of the adjusting portion 1122 is provided with a plurality of elongated holes 9, in this embodiment, the elongated holes 9 are countersunk, and the positions and the number of the elongated holes 9 are set corresponding to the threaded holes 1113. Each elongated hole 9 communicates with the corresponding threaded hole 1113, and the length direction of each elongated hole 9 is arranged parallel to the sliding direction of the sliding portion 1121. And a locking bolt is arranged in each strip hole 9 in a penetrating manner and is in threaded connection with the corresponding threaded hole 1113.

Referring to fig. 6, the seat body 111 is further provided with an adjusting part 10, the adjusting part 10 is located on one side of the supporting platform 7 away from the cutter head 2, the adjusting part 10 includes a screw rod 101 and a second driving part 102, the length direction of the screw rod 101 is arranged along the sliding direction of the sliding seat 12, the screw rod 101 is rotatably connected to the seat body 111, and the rotation axis 3 of the screw rod 101 is arranged in parallel to the length direction thereof. The screw 101 penetrates through the sliding seat 12 and is in threaded connection with the sliding seat 12.

Referring to fig. 5 and 6, the second driving member 102 is disposed on the fixing base 11, the second driving member 102 includes a driving motor 13 and a transmission structure 14, the driving motor 13 is fixed on the adjusting portion 1122, the driving motor 13 is located on one side of the adjusting portion 1122 close to the seat 111, and the driving motor 13 is located on an outer side of the seat 111. The output shaft of the driving motor 13 is provided upward through the adjustment unit 1122.

Referring to fig. 6, the transmission structure 14 includes a first transmission wheel 141, a second transmission wheel 142 and a transmission belt 143, the first transmission wheel 141 is fixed on the screw 101, the first transmission wheel 141 is located at an end of the screw 101 far from the sliding seat 12, and the first transmission wheel 141 and the screw 101 are coaxially arranged. The second driving wheel 142 is fixed on the output shaft of the driving motor 13, the second driving wheel 142 is located on one side of the adjusting portion 1122 away from the driving motor 13, the second driving wheel 142 is coaxially arranged with the output shaft of the driving motor 13, and the height of the second driving wheel 142 in the vertical direction is equal to the height of the first driving wheel 141 in the vertical direction. The driving belt 143 is tensioned between the first driving pulley 141 and the second driving pulley 142.

Referring to fig. 6, in practical use, an output shaft of the driving motor 13 is controlled to rotate, the output shaft of the driving motor 13 drives the second driving wheel 142 to rotate, the second driving wheel 142 drives the driving belt 143 to move through frictional resistance with the driving belt 143, the driving belt 143 drives the first driving wheel 141 to rotate through frictional resistance with the first driving wheel 141, the first driving wheel 141 drives the screw rod 101 to rotate, so that the sliding seat 12 moves along the length direction of the screw rod 101 through threaded engagement with the screw rod 101, and the position of the sliding seat 12 is adjusted.

Referring to fig. 5 and 6, the locking bolt in the elongated hole 9 is loosened, the locking bolt does not depart from the corresponding threaded hole 1113, so that the adjusting block 112 can move on the seat body 111, the adjusting bolt 81 is twisted to move the adjusting bolt 81 toward a direction close to or away from the first driving wheel 141, the adjusting bolt 81 abuts against the adjusting portion 1122 to drive the adjusting block 112 to move, so that the tension of the driving belt 143 between the first driving wheel 141 and the second driving wheel 142 is changed, and when the tension of the driving belt 143 is adjusted to be appropriate, the locking bolt in the elongated hole 9 is tightened to position the adjusting block 112 on the seat body 111.

Referring to fig. 1, a baffle 15 is further arranged on the sliding seat 12, the baffle 15 is sleeved on the supporting platform 7 and is fixedly connected with the sliding seat 12, the slide rail 5 and the screw rod 101 are separated from the cutter head 2 by the baffle 15, and two end portions of the baffle 15, which are located on two opposite sides of the sliding direction of the sliding seat 12, are respectively connected in the corresponding caulking grooves 1111 in a sliding manner.

Referring to fig. 1 and 7, the blocking plate 15 includes a first plate 151 and a second plate 152, and the first plate 151 and the second plate 152 are respectively located on two opposite sides of the rotation axis of the rotating shaft 3 along the sliding direction of the sliding seat 12. The first plate 151 and the second plate 152 are spliced to form a through hole 17. The locking members 16 are disposed on the first plate body 151 and the second plate body 152, in this embodiment, the locking members 16 are locking bolts, the locking members 16 on the first plate body 151 penetrate through the first plate body 151 and are connected to the sliding seat 12 by threads, and the locking members 16 on the second plate body 152 penetrate through the second plate body 152 and are connected to the sliding seat 12 by threads. The first plate 151 and the second plate 152 are fixed to the sliding seat 12 by the threaded engagement of the locking member 16 with the sliding seat 12.

Referring to fig. 1 and 7, when installing the baffle 15, install first plate body 151 on the seat 12 that slides, screw up retaining member 16 on the first plate body 151 and be fixed in first plate body 151 on the seat 12 that slides, aim at second plate body 152 and first plate body 151 and splice well again, at this moment, the through-hole 17 that first plate body 151 and second plate body 152 concatenation formed is worn to establish by the plummer, be fixed in on the seat 12 that slides through the retaining member 16 of screwing up on the second plate body 152 with second plate body 152, can accomplish the installation of baffle 15.

The implementation principle of a numerical control turret in the embodiment of the application is as follows:

when one end of a workpiece is machined, the cutter is clamped in the positive direction through the cutter holder 21, and then the workpiece is machined; when processing the axial both ends of work piece, partly blade holder 21 forward centre gripping cutter, the reverse centre gripping cutter of another part blade holder 21, the cutter through forward centre gripping earlier processes one of them one end of work piece, removes the work piece to the cutter department of reverse centre gripping again, the cutter through reverse centre gripping to the other end of work piece process can for it is more convenient to process work piece axial both ends.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a numerical control sword tower, includes sword tower body (1) and blade disc (2), be provided with axis of rotation (3) on blade disc (2), axis of rotation (3) rotate connect in on sword tower body (1), still be provided with first driving piece (6) on sword tower body (1), first driving piece (6) drive axis of rotation (3) rotate, its characterized in that: be provided with a plurality of blade holders (21) on blade disc (2), blade holder (21) supply cutter forward centre gripping or reverse centre gripping, be provided with bearing platform (7) on tool turret body (1), bearing platform (7) are close to blade disc (2) set up, axis of rotation (3) are worn to establish bearing platform (7) set up, bearing platform (7) are right axis of rotation (3) support.

2. The numerically controlled turret according to claim 1, wherein: the turret body (1) comprises a fixed seat (11) and a sliding seat (12) connected to the fixed seat (11) in a sliding mode, a sliding rail (5) is arranged on the fixed seat (11), a sliding groove (51) matched with the sliding rail (5) is formed in the sliding seat (12), the sliding direction of the sliding seat (12) is vertically arranged, and the bearing platform (7) is arranged on the sliding seat (12);

the adjusting part (10) is arranged on the fixed seat (11), and the adjusting part (10) is used for adjusting the position of the sliding seat (12).

3. The numerically controlled turret according to claim 2, wherein: adjusting part (10) including rotate connect in lead screw (101) on fixing base (11) with set up in second driving piece (102) on fixing base (11), the length direction of lead screw (101) is followed the slip direction setting of seat (12) that slides, lead screw (101) with seat (12) threaded connection slides, second driving piece (102) drive lead screw (101) rotate.

4. The numerically controlled turret according to claim 3, wherein: the second driving part (102) comprises a driving motor (13) and a transmission structure (14), the driving motor (13) and the transmission structure (14) are arranged on the fixing seat (11), the transmission structure (14) comprises a first driving wheel (141) coaxially arranged on the screw rod (101), a second driving wheel (142) coaxially arranged on an output shaft of the driving motor (13) and a driving belt (143) tensioned between the first driving wheel (141) and the second driving wheel (142).

5. The numerically controlled turret according to claim 4, wherein: the fixing seat (11) comprises a seat body (111) and an adjusting block (112) connected to the seat body (111) in a sliding manner, the screw rod (101) is arranged on the seat body (111), the sliding direction of the adjusting block (112) is towards the direction close to or away from the first transmission wheel (141), the sliding direction of the adjusting block (112) is perpendicular to the length direction of the screw rod (101), and the driving motor (13) is arranged on the adjusting block (112);

still be provided with fixed block (8) on pedestal (111), threaded connection has adjusting bolt (81) on fixed block (8), adjusting bolt (81) support tightly the corresponding lateral wall setting of regulating block (112), adjusting bolt (81) with regulating block (112) cooperation is adjusted the tensioning dynamics of drive belt (143).

6. The numerically controlled turret according to claim 3, wherein: be provided with baffle (15) on the seat of sliding (12), baffle (15) cover is located on bearing platform (7) and with seat of sliding (12) fixed connection, baffle (15) will slide rail (5) with two parts of lead screw (101) with blade disc (2) separate.

7. The numerically controlled turret according to claim 6, wherein: the fixed seat (11) is provided with two caulking grooves (1111), the two caulking grooves (1111) are respectively positioned at two opposite sides of the fixed seat (11) along the sliding direction of the sliding seat (12), and the length directions of the two caulking grooves (1111) are both arranged along the sliding direction of the sliding seat (12);

the baffle (15) is positioned at two ends of two opposite sides of the sliding direction of the sliding seat (12) and is respectively connected in the corresponding caulking groove (1111) in a sliding way.

8. The numerically controlled turret according to claim 7, wherein: baffle (15) include first plate body (151) and second plate body (152), first plate body (151) with the concatenation of second plate body (152) is formed with the through-hole, the through-hole supplies bearing platform (7) are worn to establish, first plate body (151) with all be provided with retaining member (16) on the second plate body (152), retaining member (16) on the first plate body (151) will first plate body (151) are fixed in on the seat of sliding (12), retaining member (16) on the second plate body (152) will second plate body (152) are fixed in on the seat of sliding (12).