CN221018921U - Bilateral numerical control cutting machine - Google Patents

Abstract

The invention relates to a bilateral numerical control cutting machine which comprises a frame, a Z-axis steering mechanism, a Z-axis lifting mechanism, a horizontal telescopic mechanism, a saw head steering mechanism, a saw head and a cutting guide mechanism, wherein the Z-axis steering mechanism is fixed on the frame and can drive the Z-axis lifting mechanism to steer; the Z-axis lifting mechanism is arranged on the Z-axis steering mechanism and can support and lift the horizontal telescopic mechanism; the horizontal telescopic mechanism supports the saw head steering mechanism and can transversely stretch; the saw head steering mechanism supports the saw head and the cutting guide mechanism and can steer relative to the horizontal telescopic mechanism to drive the saw head and the cutting guide mechanism to steer; the cutting guide mechanism is adapted to press against the blade flange to guide the saw head as it cuts. The Z-axis steering mechanism realizes large-angle steering of the cutting machine, the Z-axis lifting mechanism realizes height adjustment of the cutting machine, the horizontal telescopic mechanism realizes transverse movement of the saw head, the saw head steering mechanism realizes small-angle steering of the saw head and the cutting guide mechanism, and the cutting guide mechanism guides the saw head during cutting.

Description

Bilateral numerical control cutting machine

Technical Field

The utility model relates to the technical field of wind power blade cutting machines, in particular to a bilateral numerical control cutting machine.

Background

Currently, there are basically two types of wind power blade root flange cutting machines on the market:

the first type is a cutting mechanism which is a square cover type and is used for crossing the front edge and the rear edge of the wind power blade, numerical control programs are adopted to cut the front edge and the rear edge in turn through a set of corresponding cutting heads, and the defects of the first type are large volume (even interference can be caused to the internal components of the blade) and difficult positioning, so that the first type is a cutting mechanism which is suspected to be abandoned by users;

The second is to make improvement on the first, namely, a square cover type cutting mechanism is split from the middle into a rectangle, namely, only one cutting head is arranged, and a numerical control program is adopted to cut the front edge and then cut the rear edge through the cutting head, so that the defects are that positioning devices are needed to be respectively arranged on the front edge and the rear edge mould, and the front edge is cut and then moved to the rear edge for positioning, and two times of clamping are needed, which is very time-consuming and labor-consuming.

Disclosure of utility model

In order to overcome the defects, the utility model provides the bilateral numerical control cutting machine which is small in size and not easy to interfere with the internal components of the blade.

The utility model provides a bilateral numerical control cutting machine which comprises a frame, a Z-axis steering mechanism, a Z-axis lifting mechanism, a horizontal telescopic mechanism, a saw head steering mechanism, a saw head and a cutting guide mechanism, wherein the Z-axis steering mechanism is fixed on the frame and is arranged to drive the Z-axis lifting mechanism to steer; the Z-axis lifting mechanism is arranged on the Z-axis steering mechanism and is arranged to support and lift the horizontal telescopic mechanism; the horizontal telescopic mechanism supports the saw head steering mechanism and is arranged to be capable of transversely telescopic; the saw head steering mechanism supports the saw head and the cutting guide mechanism and is arranged to be capable of steering relative to the horizontal telescopic mechanism so as to drive the saw head and the cutting guide mechanism to steer; the cutting guide mechanism is configured and adapted to press against the blade flange to guide the saw head as it cuts.

In the utility model, the large-angle steering of the cutting machine can be realized through the Z-axis steering mechanism, the height adjustment of the cutting machine can be realized through the Z-axis lifting mechanism, the transverse movement of the saw head in the horizontal direction can be realized through the horizontal telescopic mechanism, the small-angle steering of the saw head and the cutting guide mechanism can be realized through the saw head steering mechanism, and the guide can be realized for the saw head in the cutting process through the cutting guide mechanism.

Further, the Z-axis steering mechanism comprises a fixed barrel body fixed on the frame, a rotary barrel body rotatably arranged in the fixed barrel body, and a rotary driving device arranged on the fixed barrel body and used for driving the rotary barrel body; the Z-axis lifting mechanism comprises a Z-axis steel structure which can be inserted into the rotary barrel body in a vertically movable manner and is provided with a central through hole, a Z-axis lifting servo motor which is fixed on the top of the Z-axis steel structure, a Z-axis lifting screw rod which is connected by the Z-axis lifting servo motor in a driving manner and penetrates through the central through hole, and a Z-axis lifting nut which is arranged at the bottom of the fixed barrel body and is in threaded connection with the Z-axis lifting screw rod; the horizontal telescopic mechanism comprises a saw head supporting piece, a pair of supporting guide rods connected with the saw head supporting piece and spaced in parallel, wherein racks are arranged on the inner sides of the pair of supporting guide rods, supporting guide through holes formed on two sides of the top of the Z-axis steel structure, a telescopic servo motor arranged on the top of the Z-axis steel structure, a driving gear connected by the telescopic servo motor in a driving way, and a plurality of odd-numbered driven gears meshed with the driving gear and connected with the driving gear through racks; the saw head steering mechanism comprises a saw head steering gear ring arranged on the saw head supporting piece, a saw head mounting plate positioned above the saw head supporting piece, a saw head steering motor arranged on the saw head mounting plate, and a saw head steering gear positioned below the saw head mounting plate and connected with the saw head steering gear ring in a driving way by the saw head steering motor and meshed with the saw head steering gear ring; the saw head comprises a saw head servo motor arranged on the saw head mounting plate and a saw blade which is positioned below the saw head supporting piece and is driven by the saw head servo motor through a saw blade handle; the cutting guide mechanism comprises a guide wheel bracket arranged below the saw head mounting plate and positioned at the outer side of the saw blade, and a guide wheel arranged on the guide wheel bracket and suitable for being in compression joint with the blade flange.

Through the structure, all mechanisms are connected and linked, so that the actions of steering, stretching, guiding, cutting and the like can be realized.

Still further, the rotary driving device comprises a Z-axis steering servo motor arranged on the outer wall of the fixed barrel body and a Z-axis steering gear which is in driving connection with the Z-axis steering servo motor, and the rotary barrel body is provided with a Z-axis steering gear ring which is meshed with the Z-axis steering gear on the top of the rotary barrel body.

Through the structure, when the rotary driving device of the Z-axis steering mechanism is started, namely when the Z-axis steering servo motor is started, the Z-axis steering gear can drive the Z-axis steering gear ring to drive the rotary cylinder to rotate, so that the Z-axis steel structure inserted with the rotary cylinder drives the horizontal telescopic mechanism to be communicated with the saw head and the like to steer together.

Still further, Z axle steel construction includes bottom circular steel construction and top square steel construction, and bottom circular steel construction is pegged graft in rotatory staving with having central through hole with reciprocating, and Z axle lift servo motor is fixed in on the square steel construction in top.

Through the structure setting, can drive the circular steel construction in bottom and then drive Z axle steel construction rotation when rotatory barrel is rotatory to drive the Z axle elevating system of installing on Z axle steel construction and rotate together and turn to promptly.

Still further, above-mentioned bilateral numerical control cutting machine still includes Z axle lift guiding mechanism, and this Z axle lift guiding mechanism is including forming the Z axle lift guide way on rotatory staving inner wall and fixed mounting in the Z axle lift direction copper bar on the circular steel construction outer wall of bottom, and wherein, but this Z axle lift direction copper bar grafting is in this Z axle lift guide way with reciprocating.

Through the setting of this Z axle lift guiding mechanism for when Z axle lift mechanism starts, bottom circular steel construction can be under the cooperation of Z axle lift guiding copper bar and Z axle lift guiding groove relative rotation staving reciprocates, and when Z axle steering mechanism starts, bottom circular steel construction can be under the cooperation of Z axle lift guiding copper bar and Z axle lift guiding groove rotatory along with the staving.

Still further, the plurality of driven gears includes five driven gears, three of which are located at one side of the driving gear and the other two are located at the other side of the driving gear, so that the two driven gears located at opposite sides can drive the racks on the pair of support guide bars in the same direction under the driving of the driving gear.

Through the arrangement of the structure, when the driving gear rotates, the driving gear drives the two adjacent driven gears to rotate, and the two driven gears sequentially drive the other two adjacent driven gears to rotate, so that the pair of support guide rods are driven towards the same direction to realize expansion and contraction.

Still further, one side of the saw head support member, which is far away from the pair of support guide rods, is provided with a support arc portion, the saw head steering gear ring is mounted on the outer side of the support arc portion, and saw head mounting holes coaxial with each other are respectively formed in the support arc portion and the saw head mounting plate, and a saw blade handle between the saw head steering motor and the saw blade penetrates through the saw head mounting holes.

Through the structure, when the saw head steering motor is driven to start, the saw head steering gear can be driven to drive the saw head mounting plate to steer relative to the saw head steering gear ring, namely relative to the saw head supporting piece, so that the saw head is steered.

Still further, the guide wheel bracket is mounted on the saw head mounting plate in a height-adjustable manner through the stud and the nut; three guide wheels are arranged on the guide wheel bracket.

Through the structure, when the height of the guide wheel bracket relative to the saw head mounting plate needs to be adjusted, the height can be adjusted through the adjusting nut.

Still further, the bottom both sides of frame are provided with the silica gel strip.

Through the setting of silica gel strip for the frame can be steadily placed in inside the blade.

In addition, the bilateral numerical control cutting machine further comprises a controller, and the controller is electrically connected with the Z-axis steering mechanism, the Z-axis lifting mechanism, the horizontal telescopic mechanism, the saw head steering mechanism and the saw head.

Through the structure, the bilateral numerical control cutting machine can realize actions such as accurate lifting, telescoping, steering, cutting and the like under the control of the controller.

These and other aspects of the utility model will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

The construction and further objects and advantages of the present utility model will be better understood from the following description taken in conjunction with the accompanying drawings, wherein like reference numerals identify like elements:

FIG. 1 is a schematic front view of a double sided numerical control cutting machine according to one embodiment of the present utility model;

FIG. 2 is a schematic top view of the dual sided numerically controlled cutting machine of FIG. 1;

FIG. 3 is an exploded perspective view of the dual sided numerical control cutter of FIG. 1;

FIG. 4 is a schematic view of the dual sided CNC cutter of FIG. 1 in use with the blade set to start left side cutting;

FIG. 5 is an exploded perspective view of the dual sided numerical control cutting machine of FIG. 1 after removal of the horizontal telescoping mechanism and associated saw head portions;

FIG. 6 is a schematic perspective view of the structure of FIG. 5 from the front underside;

FIG. 7 is a perspective view of the horizontal telescoping mechanism and saw head related portion of the dual sided numerically controlled cutting machine of FIG. 1 after 180 degrees of rotation;

FIG. 8 is a schematic perspective view of the horizontal telescoping mechanism of FIG. 7;

FIG. 9 is a partial perspective view of the structure of FIG. 7 from the lower right side;

FIG. 10 is an enlarged partial schematic view of portion I of the structure of FIG. 5;

FIG. 11 is an enlarged partial schematic view of portion II of the structure of FIG. 5;

FIG. 12 is a schematic view of the dual sided CNC cutter of FIG. 4 in use after the left side cut is completed;

FIG. 13 is a schematic view of the dual sided numerical control cutting machine of FIG. 4 in use from the right side;

Fig. 14 schematically illustrates the steering angle range of the horizontal telescopic mechanism driven by the Z-axis steering mechanism and the steering angle range of the saw head mounting plate driven by the saw head steering mechanism of the double-sided numerical control cutting machine shown in fig. 4 in the cutting process.

Detailed Description

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.

In this document, directional representations, such as "upper," "lower," "left," "right," "front," "rear," etc., used to explain the structure and/or action of various portions of the disclosed embodiments are not absolute, but rather relative. These representations are appropriate when the various parts of the disclosed embodiments are located in the positions shown in the drawings, and if the positions or reference frames of the disclosed embodiments are changed, these representations are also changed according to the changes in the positions or reference frames of the disclosed embodiments.

As shown in fig. 1 to 3, and referring to fig. 4 to 9, a double sided numerical control cutting machine 100 according to one embodiment of the present utility model includes a frame 1 disposed in a blade 200, a Z-axis steering mechanism 2, a Z-axis elevating mechanism 3, a horizontal telescopic mechanism 4, a saw head steering mechanism 5, a saw head 6, and a cutting guide mechanism 7, wherein the Z-axis steering mechanism 2 includes a fixed tub 21 fixed to the frame 1, a rotary tub 23 rotatably installed in the fixed tub 21, and a rotary driving device 25 installed on the fixed tub 21 for driving the rotary tub 23;

The Z-axis lifting mechanism 3 comprises a Z-axis steel structure 30 which is inserted in the rotary barrel 23 in a vertically movable manner and is provided with a central through hole 301, a Z-axis lifting servo motor 35 which is fixed on the top of the Z-axis steel structure 30, a Z-axis lifting screw rod 37 which is connected by the Z-axis lifting servo motor 35 in a driving way and penetrates through the central through hole 301, and a Z-axis lifting nut 39 which is arranged at the bottom of the fixed barrel 21 and is in threaded connection with the Z-axis lifting screw rod 37;

The horizontal telescopic mechanism 4 comprises a saw head support 41, a pair of support guide rods 43 connected with the saw head support 41 and spaced in parallel, and provided with racks 42 on the inner sides, support guide through holes 45 formed on the two sides of the top of the Z-axis steel structure 30, a telescopic servo motor 47 mounted on the top of the Z-axis steel structure 30, a driving gear 49 connected by the telescopic servo motor 47 in a driving way, and five driven gears 48 meshed with the driving gear 49 and connected through racks and gears to drive the pair of support guide rods 43 to extend out of or retract into the support guide through holes 45;

The saw head steering mechanism 5 comprises a saw head steering gear ring 51 arranged on the saw head supporting piece 41, a saw head mounting plate 53 arranged above the saw head supporting piece 41, a saw head steering motor 55 arranged on the saw head mounting plate 53, and a saw head steering gear 57 arranged below the saw head mounting plate 53 and in driving connection with the saw head steering gear ring 51 by the saw head steering motor 55, so that when the saw head steering motor 55 is started, the saw head steering gear 57 can drive the saw head mounting plate 53 to steer around the saw head steering gear ring 51;

The saw head 6 includes a saw head servo motor 61 mounted on the saw head mounting plate 53 and a saw blade 65 positioned below the saw head support 41 and driven by the saw head servo motor 61 via a saw blade handle 63;

The cutting guide mechanism 7 includes a guide wheel bracket 71 and a guide wheel 73, wherein the guide wheel bracket 71 is mounted below the saw head mounting plate 53 and outside the saw blade 65, and the guide wheel 73 is mounted on the guide wheel bracket 71 and adapted to press against the flange 201 of the blade 200.

Specifically, as shown in fig. 1, 3 and 5, 10 and 11, in the present embodiment, the rotation driving device 25 of the Z-axis steering mechanism 2 includes a Z-axis steering servo motor 251 and a Z-axis steering gear 253, the Z-axis steering servo motor 251 is mounted on the outer wall of the fixed barrel 21, the Z-axis steering gear 253 is drivingly connected by the Z-axis steering servo motor 251, and the rotating barrel 23 is provided with the Z-axis steering gear ring 233 meshed with the Z-axis steering gear 253 on the top thereof, so that when the rotation driving device 25 is started, i.e., when the Z-axis steering servo motor 251 is started, the Z-axis steering gear 253 can drive the Z-axis steering gear ring 233 to drive the rotating barrel 23 to rotate, and the Z-axis steel structure 30 spliced with the rotating barrel 23 drives the horizontal telescoping mechanism 4 to drive the saw head 6 and the like to turn together.

As best shown in fig. 5, in the present embodiment, the Z-axis steel structure 30 includes a bottom circular steel structure 31 and a top square steel structure 33, the bottom circular steel structure 31 is inserted into the rotary tub 23 to be movable up and down, and has the above-mentioned central through hole 301, and the Z-axis lifting servo motor 35 is fixed to the top square steel structure 33. Through the above structure setting for can drive the circular steel construction 31 of bottom rotatory when rotatory barrel 23, and then drive Z axle steel construction 30 rotation, thereby drive the Z axle elevating system 3 of installing on Z axle steel construction 30 and together rotate, turn to promptly.

As shown in fig. 3, 5 and 10, in the present embodiment, the double-sided numerical control cutting machine 100 further includes a Z-axis lifting guide mechanism 8, the Z-axis lifting guide mechanism 8 includes a Z-axis lifting guide groove 81 and a Z-axis lifting guide copper bar 83, wherein the Z-axis lifting guide groove 81 is formed on an inner wall of the rotary tub 23, the Z-axis lifting guide copper bar 83 is fixedly mounted on an outer wall of the bottom circular steel structure 31, and the Z-axis lifting guide copper bar 83 is inserted into the Z-axis lifting guide groove 81 to be movable up and down. When the Z-axis elevating mechanism 3 is started, the bottom circular steel structure 31 can move up and down relative to the rotary tub 23 with the cooperation of the Z-axis elevating guide bar 83 and the Z-axis elevating guide groove 81, and when the Z-axis steering mechanism 2 is started, the bottom circular steel structure 31 can rotate along with the rotary tub 23 with the cooperation of the Z-axis elevating guide bar 83 and the Z-axis elevating guide groove 81.

As shown in fig. 3, and referring to fig. 7 and 8, in the present embodiment, three of the five driven gears 48 are located at one side (right side in fig. 8) of the driving gear 49, and the other two are located at the other side (left side in fig. 8) of the driving gear 49, so that the two driven gears 48 located on the opposite sides can drive the racks 42 on the pair of support guide rods 43 in the same direction under the driving of the driving gear 49. By this structural arrangement, when the driving gear 49 rotates, the two driven gears 48 adjacent to the driving gear 49 can be driven to rotate, and the two driven gears 48 in turn drive the other two driven gears 48 adjacent to the driving gear 48 to rotate, so that the pair of support guide rods 43 are driven to extend and retract in the same direction.

As shown in fig. 3, 8 and 9, in the present embodiment, a support arc portion 410 is provided on a side of the saw head support 41 remote from the pair of support guide rods 43, the saw head steering ring gear 51 is mounted on an outer side of the support arc portion 410, and saw head mounting holes 411, 531 coaxial with each other are provided on the support arc portion 410 and the saw head mounting plate 53, respectively, through which the saw blade shank 63 between the saw head steering motor 55 and the saw blade 65 penetrates. Through the above structure arrangement, when the saw head steering motor 55 is started, the saw head steering gear 57 can be driven to drive the saw head mounting plate 53 to steer relative to the saw head steering gear ring 51, namely relative to the saw head support 41, so that the saw head 6 is steered.

As shown in fig. 7 and 9, in the present embodiment, a guide wheel bracket 71 is height-adjustably mounted to the saw head mounting plate 53 via a stud 72 and a nut 74. With the above arrangement, when the height of the guide roller bracket 71 with respect to the saw head mounting plate 53 needs to be adjusted, the height can be adjusted by the adjusting nut 74. In addition, in the present embodiment, three guide rollers 75 are mounted on the guide roller frame 71 (the number of guide rollers may be changed in other examples). It should be noted that, when the guide wheel 75 (typically, the guide wheel 75 is 30mm lower than the saw blade 65) is operated, it directly presses on the blade flange 201, so as to ensure that the cutting depth of the saw blade 65 is not cut excessively.

As shown in fig. 1 and 4, both sides of the bottom of the frame 1 are provided with a silica gel strip 10. By the arrangement of the silica gel strips 10, the frame 1 can be placed inside the blade 200 in a stable and shock-absorbing manner.

It should be appreciated that in this embodiment, the dual sided numerically controlled cutting machine 100 further includes a controller (not shown) that is electrically connected to all of the Z-axis steering mechanism 2, the Z-axis lift mechanism 3, the horizontal telescoping mechanism 4, the saw head steering mechanism 5, and the saw head 6. Through the above structure arrangement, the bilateral numerical control cutting machine 100 can realize actions such as accurate lifting, telescoping, steering, cutting and the like under the control of the controller.

It will also be appreciated that as shown in fig. 3, and with reference to fig. 9, in this embodiment the saw head 6 also includes a dust cover 67 for the saw blade 65, the dust cover 67 including a dust tube 670 for connection to a dust collector (not shown). In addition, as shown in fig. 3 and 4, in the present embodiment, the double-sided numerical control cutting machine 100 further includes a lifting frame 101.

The bilateral numerical control cutting machine provided by the utility model has the advantages that the size is small, the space which possibly interferes with the internal components of the blade is not occupied, the blade root ends 203 on the left side and the right side of the blade 200 can be cut respectively by one clamping, the secondary clamping is not needed, and the primary disassembly and the primary installation time are saved for a user.

In addition, although five driven gears 48 are shown in the present embodiment, in other embodiments, the number may be changed to three, seven, or the like, and the operation of extending or retracting the pair of support guide rods 43 into the support guide through holes 45 by synchronous rotation may be realized by an odd number.

The operation of the present embodiment will be briefly described with reference to fig. 4 and 12 to 14 and fig. 1 to 3 and fig. 5 to 11:

After the whole bilateral numerical control cutting machine 100 is lifted into the root of the blade 200 by the lifting frame 101, the frame 1 rides on the inner surface 202 of the blade 200, the horizontal telescopic mechanism 4 is lifted by controlling the start and stop of the Z-axis lifting mechanism 3 and the horizontal telescopic mechanism 4 is turned to the position shown in fig. 4 by controlling the start and stop of the Z-axis turning mechanism 2, the cutting guide mechanism 7 is positioned on the flange 201 of the blade 200 and parallel to the blade root end 203 to be cut, and the saw blade 65 of the saw head 6 is positioned at the depth position of the blade root end 203 to be cut;

Then the saw head 6 is controlled to start cutting, and simultaneously, a large angle A1 (shown in fig. 14, the angle can be determined according to actual needs) of the Z-axis steering mechanism 2, the telescopic action of the horizontal telescopic mechanism 4, a small angle A1 (shown in fig. 14, the angle can be determined according to actual needs) of the saw head steering mechanism 5 and the cutting action of the saw head 6 are controlled according to the internal program of the controller, so that a guide wheel 73 of the cutting guide mechanism 7 is pressed against a flange 201 in real time, a guide wheel bracket 71 is parallel to a blade root end 203 to be cut, and the cutting action of the saw blade 65 with accurate depth at the correct cutting position is kept in real time;

When the bilateral numerically controlled cutting machine 100 completes the left-side cutting of the blade 200, as shown in fig. 12, the Z-axis steering mechanism 2 is controlled by the controller to perform the wide-range steering to transfer the saw head 6 to the right side of the blade 200, as shown in fig. 13, and then the actions of the respective mechanisms of the bilateral numerically controlled cutting machine 100 are controlled as in the left-side cutting, and the cutting of the blade root end 203 on the right side of the blade 200 is completed from front to back.

While the technical content and features of the present utility model have been disclosed above, it will be understood that various changes and modifications to the above-described structure, including combinations of technical features individually disclosed or claimed herein, and other combinations of these features as apparent to those skilled in the art may be made under the inventive concept of the present utility model. Such variations and/or combinations fall within the technical field to which the utility model relates and fall within the scope of the claims of the utility model.

Claims (10)

1. The bilateral numerical control cutting machine is characterized by comprising a frame, a Z-axis steering mechanism, a Z-axis lifting mechanism, a horizontal telescopic mechanism, a saw head steering mechanism, a saw head and a cutting guide mechanism, wherein the Z-axis steering mechanism is fixed on the frame and is arranged to drive the Z-axis lifting mechanism to steer; the Z-axis lifting mechanism is arranged on the Z-axis steering mechanism and is arranged to support and lift the horizontal telescopic mechanism; the horizontal telescopic mechanism supports the saw head steering mechanism and is arranged to be capable of transversely telescopic; the saw head steering mechanism supports the saw head and the cutting guide mechanism and is arranged to be capable of steering relative to the horizontal telescopic mechanism so as to drive the saw head and the cutting guide mechanism to steer; the cutting guide mechanism is configured and adapted to press against the blade flange to guide the saw head as it cuts.

2. The double-sided numerical control cutting machine according to claim 1, wherein the Z-axis steering mechanism comprises a fixed barrel fixed on the frame, a rotary barrel rotatably mounted in the fixed barrel, and a rotary driving device mounted on the fixed barrel for driving the rotary barrel; the Z-axis lifting mechanism comprises a Z-axis steel structure which can be inserted into the rotary barrel body in a vertically movable manner and is provided with a central through hole, a Z-axis lifting servo motor which is fixed on the top of the Z-axis steel structure, a Z-axis lifting screw rod which is connected by the Z-axis lifting servo motor in a driving manner and penetrates through the central through hole, and a Z-axis lifting nut which is arranged at the bottom of the fixed barrel body and is in threaded connection with the Z-axis lifting screw rod; the horizontal telescopic mechanism comprises a saw head supporting piece, a pair of supporting guide rods connected with the saw head supporting piece and spaced in parallel, wherein racks are arranged on the inner sides of the pair of supporting guide rods, supporting guide through holes formed on two sides of the top of a Z-axis steel structure, a telescopic servo motor arranged on the top of the Z-axis steel structure, a driving gear connected by the telescopic servo motor in a driving way, and a plurality of odd-numbered driven gears meshed with the driving gear and connected with the driving gear through racks; the saw head steering mechanism comprises a saw head steering gear ring arranged on the saw head supporting piece, a saw head mounting plate positioned above the saw head supporting piece, a saw head steering motor arranged on the saw head mounting plate, and a saw head steering gear positioned below the saw head mounting plate and in driving connection with the saw head steering gear ring by the saw head steering motor; the saw head comprises a saw head servo motor arranged on the saw head mounting plate and a saw blade which is positioned below the saw head supporting piece and is driven by the saw head servo motor through a saw blade handle; the cutting guide mechanism comprises a guide wheel bracket arranged below the saw head mounting plate and positioned at the outer side of the saw blade, and a guide wheel arranged on the guide wheel bracket and suitable for being in compression joint with the blade flange.

3. The double sided numerical control cutting machine of claim 2, wherein the rotary driving means includes a Z-axis steering servo motor mounted on an outer wall of the fixed tub and a Z-axis steering gear drivingly connected by the Z-axis steering servo motor, and the rotary tub is provided on a top thereof with a Z-axis steering gear ring engaged with the Z-axis steering gear.

4. The double-sided numerically controlled cutting machine as set forth in claim 3, wherein the Z-axis steel structure comprises a bottom circular steel structure and a top square steel structure, the bottom circular steel structure being inserted in the rotary tub body with the center through hole being movable up and down, the Z-axis lifting servo motor being fixed to the top square steel structure.

5. The double sided numerical control cutting machine of claim 4, further comprising a Z-axis elevation guide mechanism comprising a Z-axis elevation guide groove formed on the inner wall of the rotary tub and a Z-axis elevation guide copper bar fixedly mounted on the outer wall of the bottom circular steel structure, wherein the Z-axis elevation guide copper bar is inserted in the Z-axis elevation guide groove to be movable up and down.

6. The double sided numerical control cutting machine of claim 2, wherein the plurality of driven gears includes five driven gears, three of which are located at one side of the driving gear and the other two of which are located at the other side of the driving gear, such that the two driven gears located at opposite sides can drive the racks on the pair of support guide bars in the same direction under the driving of the driving gear.

7. The double sided numerical control cutting machine of claim 2, wherein a side of the saw head support member remote from the pair of support guide bars is provided with a support arc portion, the saw head steering gear ring is mounted on an outer side of the support arc portion, and saw head mounting holes coaxial with each other are respectively provided on the support arc portion and the saw head mounting plate, and the saw blade handle between the saw head steering motor and the saw blade penetrates through the saw head mounting holes.

8. The double sided numerically controlled cutter as in claim 2, wherein the guide wheel bracket is height adjustably mounted to the saw head mounting plate via a stud and nut; and three guide wheels are arranged on the guide wheel bracket.

9. The double-sided numerically controlled cutting machine as set forth in claim 2, wherein the frame is provided with strips of silicone on both sides of the bottom thereof.

10. The dual sided numerically controlled cutting machine of any of claims 1 to 9, further comprising a controller electrically connected to all of the Z-axis steering mechanism, the Z-axis lift mechanism, the horizontal telescoping mechanism, the saw head steering mechanism, and the saw head.