CN110814762A

CN110814762A - High-efficiency numerical control turning and milling compound machine

Info

Publication number: CN110814762A
Application number: CN201911300171.5A
Authority: CN
Inventors: 刘战勇
Original assignee: Shenzhen Mingjunyou Precision Technology Co Ltd
Current assignee: Shenzhen Mingjunyou Precision Technology Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-02-21

Abstract

The invention discloses a high-efficiency numerical control turning and milling compound machine which comprises a lathe bed and a headstock, wherein the headstock is arranged on the lathe bed and used for feeding; the lathe head box is provided with a chuck for clamping a workpiece, a sliding seat capable of moving on the lathe bed is arranged close to the chuck, a first tool turret and a second tool turret which can move relative to the chuck are oppositely arranged on the sliding seat, a plurality of first fixing heads used for fixing a cutter and a first driving mechanism used for driving the first fixing heads to rotate are arranged on the first tool turret, and a plurality of second fixing heads used for fixing the cutter are arranged on the second tool turret. The efficient numerical control turning and milling compound machine provided by the invention realizes linkage of a plurality of cutters and is beneficial to improving the processing efficiency.

Description

High-efficiency numerical control turning and milling compound machine

Technical Field

The invention relates to the technical field of numerical control lathes, in particular to a high-efficiency numerical control turning and milling compound machine.

Background

As is known, the existing revolving body workpiece is generally machined by a lathe, and the machining of the corresponding workpiece is completed by controlling three cutting elements.

The existing lathe generally comprises a lathe bed, a headstock, a carriage and a tailstock, and a corresponding cutter is arranged on the carriage to cut a workpiece.

However, the tools mounted on the existing slide carriage box can only process the workpiece independently, and the tools cannot be processed in a linkage manner, so that the processing efficiency is reduced.

Disclosure of Invention

The invention mainly aims to provide an efficient numerical control turning and milling compound machine, and aims to solve the technical problem that the conventional lathe cannot perform linkage operation of a plurality of cutters.

In order to solve the technical problem, the invention provides an efficient numerical control turning and milling compound machine which comprises a lathe bed and a headstock which is arranged on the lathe bed and used for feeding; the lathe head box is provided with a chuck for clamping a workpiece, a sliding seat capable of moving on the lathe bed is arranged close to the chuck, a first tool turret and a second tool turret which can move relative to the chuck are oppositely arranged on the sliding seat, a plurality of first fixing heads used for fixing a cutter and a first driving mechanism used for driving the first fixing heads to rotate are arranged on the first tool turret, and a plurality of second fixing heads used for fixing the cutter are arranged on the second tool turret.

Preferably, the first turret comprises a first linear module for driving the first fixed head to move along the Z axis, a second linear module for driving the first fixed head to move along the X axis, and a third linear module for driving the first fixed head to move along the Y axis, an output execution end of the first linear module is connected to the second linear module, an output execution end of the second linear module is connected to the third linear module, and the first fixed head is connected to an output execution end of the third linear module.

Preferably, the second turret includes a fourth linear module for driving the second fixing head to move along the Z axis, a fifth linear module for driving the second fixing head to move along the X axis, and a sixth linear module for driving the second fixing head to move along the Y axis, an output execution end of the fourth linear module is connected to the fifth linear module, an output execution end of the fifth linear module is connected to the sixth linear module, and the second fixing head is connected to an output execution end of the sixth linear module.

Preferably, the second turret further comprises a third fixed head disposed at one side of the first fixed head, and the third fixed head is movable relative to the first fixed head.

Preferably, the efficient numerical control turning and milling compound machine further comprises a third tool turret which is arranged on the headstock and used for mounting a cutting tool, and the third tool turret comprises a fourth fixing head and a second driving mechanism which is used for driving the fourth fixing head to move in the direction close to or far away from the chuck.

Preferably, the efficient numerical control turning and milling compound machine further comprises a fourth turret arranged between the first turret and the second turret, and the fourth turret comprises a plurality of fifth fixing heads used for fixing cutters and a third driving mechanism used for driving the fifth fixing heads to rotate.

Preferably, the fourth turret further includes a seventh linear module for driving the fifth fixing head to move along the Z axis and an eighth linear module for driving the fifth fixing head to move along the X axis, an output execution end of the seventh linear module is connected to the eighth linear module, and the fifth fixing head is connected to an output execution end of the eighth linear module.

Preferably, the first driving mechanism comprises a gear box and a driving motor, the gear box is provided with an input end and a plurality of output ends, the input end of the gear box is connected with the output end of the driving motor, and the first fixing heads are correspondingly arranged on the output ends of the gear box.

Preferably, the efficient numerical control turning and milling compound machine further comprises a discharge channel arranged on the machine body, an inlet of the discharge channel is located below the chuck, and an outlet of the discharge channel is located on one side of the machine body.

Preferably, the efficient numerical control turning and milling compound machine further comprises a protective cover covering the lathe bed.

According to the efficient numerical control turning and milling compound machine provided by the embodiment of the invention, the workpiece is turned by using the cutter on the second tool turret, the workpiece is turned by using the cutter on the first tool turret, and the first tool turret and the second tool turret do multi-axis motion relative to the chuck, so that the two cutters are linked, and the efficient numerical control turning and milling compound machine is beneficial to finishing the processing of multiple processes by clamping the workpiece once. Compared with the prior art, the efficient numerical control turning and milling compound machine provided by the invention is beneficial to improving the processing efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a high-efficiency numerical control turning and milling compound machine according to the present invention;

FIG. 2 is a schematic diagram of a portion of the efficient CNC turning and milling machine shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of the first turret shown in FIG. 2;

FIG. 4 is a schematic structural view of the second and third mounting heads shown in FIG. 2;

FIG. 5 is a schematic view of the structure of the headstock and third turret shown in FIG. 1;

FIG. 6 is a schematic view of another portion of the first turret shown in FIG. 2;

fig. 7 is a schematic structural view of the carriage and the fourth turret shown in fig. 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

The invention provides a high-efficiency numerical control turning and milling compound machine, which comprises a lathe bed 100 and a headstock 200 which is arranged on the lathe bed 100 and used for feeding; the headstock 200 is provided with a chuck for clamping a workpiece, a slide 300 movable on the bed 100 is provided adjacent to the chuck, a first turret 400 and a second turret 500 movable relative to the chuck are relatively provided on the slide 300, the first turret 400 is provided with a plurality of first fixing heads 410 for fixing a tool and a first driving mechanism 420 for driving the first fixing heads 410 to rotate, and the second turret 500 is provided with a plurality of second fixing heads 510 for fixing a tool.

In this embodiment, as shown in fig. 1 and fig. 2, the lathe bed 100 and the headstock 200 may be arranged according to a conventional lathe structure, wherein the headstock 200 is equivalent to a feeder, that is, the headstock 200 has a feeding channel, and a clamping opening of the collet is aligned with a discharging opening of the feeding channel, when a workpiece (elongated cylinder) is inserted from a feeding opening of the feeding channel, the collet can clamp the workpiece and drive the workpiece to rotate, and after a part is machined, the headstock 200 can automatically push the workpiece to extend out of the discharging opening of the material channel by a preset length and then clamp the material by the collet. The slide 300 is slidably disposed on the lathe bed 100 and can be close to or far from the chuck on the headstock 200 (i.e. the slide 300 can move along the Z-axis direction), at this time, the slide 300 is equivalent to a slide carriage box in the existing lathe, so as to conveniently control the feed amount of the tool, and as for the mode of driving the slide 300 to move, the existing driving mode can be adopted, such as a motor lead screw assembly.

Wherein the first cutter tower 400 and the second cutter tower 500 are both located on the sliding base 300, and the first cutter tower 400 and the second cutter tower 500 both perform multi-axis motion relative to the chuck, wherein the first cutter tower 400 and the second cutter tower 500 are at least movable in a horizontal direction along a direction perpendicular to the moving direction of the sliding base 300 (i.e., along the X-axis direction). At this time, it is preferable that both the first and

second turrets

400 and 500 be movable in the X-axis direction and the Y-axis direction, thereby facilitating the processing of the workpiece. The first turret 400 includes a first fixing head 410 and a first driving mechanism 420, the first driving mechanism 420 is used for driving the first fixing head 410 to rotate, the first fixing head 410 is used for installing a tool (i.e., an outer circular tool, a milling tool, a drilling tool, a tapping tool, etc.), and the first fixing head 410 can fix the tool by referring to the existing fixing manner, such as a nut or a clamping manner, so as to facilitate turning, drilling and grooving of a workpiece. Including the fixed head of second 510 on the second sword tower 500, can fix a plurality of cutters (being outer circular sword) simultaneously on the fixed head of second 520, can switch different cutter multi-workpiece through the fixed head of second 510 along the motion of Y axle direction and process to conveniently carry out lathe work to the work piece. The first and

second turrets

400 and 500 may be driven by a robot formed by combining a plurality of linear modules.

In order to balance the stress of the slider 300, the first turret 400 and the second turret 500 are preferably arranged on both sides of the slider 300 in the moving direction, respectively, so that the first turret 400 and the second turret 500 are arranged in a symmetrical state.

In this embodiment, all install the excircle lathe tool through on first sword tower and second sword tower 500 and carry out the turning to the work piece to the linkage of two cutters has been realized, with this improvement machining efficiency. Meanwhile, the workpiece can be clamped or grooved by additionally arranging the drill or the milling cutter on the first turret 400, so that the processing of a plurality of processes can be finished by clamping the workpiece once, the processing of the workpiece with complicated processes is facilitated, and the times for clamping the workpiece can be reduced.

In a preferred embodiment, as shown in fig. 2 and 3, in order to facilitate driving the first blade fixing head 410 to move, the first blade tower 400 further includes a first linear module 430, a second linear module 440 and a third linear module 450, wherein the first linear module 430 is located on the slide 300, the second linear module 440 is connected to an output end of the first linear module 430, and the third linear module 450 is connected to an output end of the second linear module 440, preferably, the driving direction of the first linear module 430 is a Z-axis direction, the driving direction of the second linear module 440 is an X-axis direction, and the driving direction of the third linear module 450 is a Y-axis direction. Meanwhile, the first linear module 430, the second linear module 440 and the third linear module 450 have the same structure and adopt a motor screw and a guide rail, so that the first fixing head 410 can be conveniently driven to perform multi-axis motion, a tool positioned on the first fixing head 410 can be positioned, and then the first driving mechanism 420 can be utilized to drive the first fixing head 410 to rotate, so that the tool (i.e., the outer circular tool, the drilling tool, the tapping tool and the milling tool) is driven to rotate to process a workpiece.

Meanwhile, the second turret 500 may refer to the first turret 400 and drive the second fixed head to perform multi-axis motion by using the same structure, that is, the second turret 500 further includes a fourth linear module 530, a second linear module 540, and a third linear module 550, and the specific structure thereof is not described in detail herein.

In a preferred embodiment, as shown in fig. 2 and 4, in order to facilitate the installation of a plurality of cutters on the second fixing head 510, the second fixing head 510 is preferably a rectangular block, wherein a side of the rectangular block facing the headstock 200 is provided with a plurality of installation slots 511. The distance between two adjacent mounting slots 511 can be arranged according to practical situations. The manner in which the tool is secured in the mounting slot 511 is preferably such that the tool is secured in the mounting slot 511 by means of a set screw, i.e. the bottom of the mounting slot 511 is provided with two threaded holes, which is preferred, thereby facilitating increased stability of the tool secured in the mounting slot 511.

Further, in order to facilitate the machining using different kinds of workpieces, it is preferable that the number of the mounting grooves 511 is six, and the six mounting grooves 511 are sequentially arranged in the vertical direction (i.e., the Y-axis direction), so that the workpieces can be conveniently machined by controlling different tools through the vertical movement (i.e., the movement in the Y-axis direction) of the second turret 500, and at this time, it is preferable that the interval between two adjacent mounting grooves 511 is 17 mm. The number of the mounting holes 521 is three, and the three mounting holes 521 are sequentially arranged along the horizontal direction (i.e., the X-axis direction), so that different tools can be conveniently controlled to machine a workpiece by the movement of the second fixing base 420 along the X-axis direction.

In a preferred embodiment, as shown in fig. 4, to facilitate simultaneous attachment of different tools (i.e., inside hole cutters), the second turret 500 further includes a third stationary head 520 disposed on the second stationary head 510. The third fixing head 520 is also a rectangular block-shaped body, the block-shaped body is provided with a plurality of mounting holes 521 for fixing the tool, and after the tool is fixed in the mounting hole 521, the tool head of the tool can be arranged towards the headstock 200, so that the process of drilling the end of the workpiece far away from the headstock 200 is facilitated. At this time, the second turret 500 is used to fix the outer circular cutter, and the third fixing head 520 is used to fix the inner circular cutter.

Further, it is preferable that the third fixing head 520 is slidably coupled to the second fixing head 510 and is movable in the Z-axis direction. The sliding connection may be implemented by providing a sliding slot on the second fixing head 510, providing a kidney-shaped hole through the bottom of the sliding slot and the sidewall of the second fixing head 510 at the bottom of the sliding slot, and providing a sliding block embedded in the sliding slot on the third fixing head 520, so that when the third fixing head 520 slides to a predetermined position, the third fixing head 520 can be fixed by passing a fixing screw through the kidney-shaped hole and connecting with the sliding block on the third fixing head 520. Of course, the third fixing head 520 may be disposed on the second turret 500 in a hinged manner, and the hinged axis is preferably arranged along the X-axis direction, so that the third fixing head 520 can be conveniently turned upwards when a cutter on the third fixing head 520 is not needed, and thus more space for avoiding the second fixing head 510 is provided. The third fixing head 520 may be driven to rotate by a motor or a rotary cylinder.

In a preferred embodiment, as shown in fig. 1 and 5, in order to increase the processing efficiency, a third turret 600 is provided on the headstock 200, and the third turret 600 is used for fixing a tool. In this case, it is preferable that the third turret 600 includes a fourth fixing head 610 and a second driving mechanism 620, one tool may be fixed to the fourth fixing head 610, and the third turret 600 may be close to or distant from a workpiece (i.e., a chuck located on the headstock 200) clamped on the headstock 200, and the fourth fixing head 610 may fix the tool with reference to the first fixing head 410, and the second driving mechanism 620 may be a linear cylinder. Preferably, the third turret 600 is positioned directly above the chuck on the headstock 200, and the fourth stationary head 610 is also movable in the vertical direction (i.e., Y-axis direction). In this embodiment, the third turret 600 is provided in the headstock 200, so that the machined part can be cut off by the tool (i.e., the cutting tool) fixed to the fourth fixing head 610.

In a preferred embodiment, as shown in fig. 2 and 6, in order to increase the processing manner of the first tool turret 400 on the workpiece, the first driving mechanism 420 includes a gear box 421 and a driving motor 422, and an output end of the driving motor 422 is in transmission connection with an input end of the gear box 421, and a specific connection manner may be through a synchronous belt, or an output shaft of the driving motor is directly connected with an input shaft of the gear box, in this case, it is preferable that the gear box 421 has a plurality of output ends, and each output end is provided with a first fixing head 410, so as to facilitate driving the plurality of tools by using the first driving mechanism 420. Among them, it is preferable that three output ends of the gear box 421 are individually rotatable, thereby facilitating improvement of power of the output ends. At this time, the three first fixing heads 410 may be respectively provided with a milling cutter, a drilling cutter, a tapping cutter, etc., so as to facilitate different processes on the workpiece.

In a preferred embodiment, as shown in fig. 2 and 7, the high-efficiency cnc milling compound machine further comprises a fourth turret 700 disposed on the carriage 300 and disposed opposite to the headstock 200, the fourth turret 700 comprising a fifth fixed head 710 and a third driving mechanism 720. The fifth fixing head 710 may have the same structure as the first fixing head 410, and will not be described in detail herein, and the third driving mechanism 720 is used for driving the fifth fixing head 710 to rotate. At this time, the fifth fixing head 710 may be installed with a tool (i.e., a drill or a tapping tool) to drill or tap the end of the workpiece far from the headstock 200, thereby further increasing the number of processes for machining the workpiece. Meanwhile, the fifth fixing head 710 is preferably arranged right opposite to the discharge port of the feeding channel on the headstock 200, so that the tool can be driven to rotate and drill or tap a workpiece on the headstock 200. At this time, the tool on the fifth fixed head 710 moves along the Z-axis following the slider 300 to process the workpiece on the chuck.

In a preferred embodiment, as shown in fig. 2 and 7, in order to facilitate the movement of the fifth fixing head 710, the fourth turret 700 further includes a seventh linear module 730 and an eighth linear module 740, the seventh linear module 730 is located on the sliding base 300, the eighth linear module 740 is connected to the output end of the seventh linear module 730, and the fourth turret 700 and the supporting base are both connected to the output end of the eighth linear module 740. At this time, it is preferable that the seventh linear module 730 is configured to drive the eighth linear module 740 to move in the X-axis direction, and the eighth linear module 740 is configured to drive the fifth fixing head 710 to move in the Z-axis direction. At this time, it is preferable that the number of the fifth fixing heads 710 is two, two fifth fixing heads 710 are spaced apart in a horizontal plane in a direction perpendicular to the moving direction of the slider 300 (i.e., the X-axis direction), and a drill bit and a tapping bit are respectively mounted on the two fifth fixing heads 710, so as to facilitate simultaneous drilling and tapping on a workpiece, and the third driving mechanism 720 is arranged with reference to the first driving mechanism 420. The seventh linear module 730 and the eighth linear module 740 have the same structure and adopt the form of a linear cylinder or a motor screw assembly, and meanwhile, in order to facilitate the connection of each component, the seventh linear module 730 and the eighth linear module 740 further comprise a bearing plate connected with the output end of the linear cylinder or the motor screw assembly. In this embodiment, the seventh linear module 730 drives the fifth fixing head 710 to move along the X-axis direction, so as to facilitate the replacement of different tools on the fifth fixing head 710 for machining a workpiece, and the eighth linear module 740 drives the fifth fixing head 710 to move along the Z-axis direction, so as to facilitate the control of the drilling depth of the tool on the fifth fixing head 710 on the workpiece. At this time, the ejector pins can be additionally arranged on the fifth fixing head 710, so that the ejector pins can be conveniently abutted against the workpiece on the headstock 200, and the workpiece with a long length can be conveniently machined.

In a preferred embodiment, as shown in fig. 1, in order to facilitate taking out the machined part, the machine bed 100 is further provided with a discharge channel 110, wherein a feed inlet of the discharge channel 110 is located on the top surface of the machine bed and below a discharge outlet of the feed channel on the headstock 200, and a discharge outlet of the discharge channel 110 is located on the circumferential side surface of the machine bed 100, so that the discharge channel 110 is arranged in an inclined state, thereby facilitating the collet to release the machined part or a tool on the third turret 600 to cut off the machined part and then slide down along the discharge channel 110.

In a preferred embodiment, in order to prevent the splash of the chips during machining, a protective cover may be provided on the bed 100, wherein the parts excluding the bed 100 are located in the protective cover. At the moment, the protective cover is also provided with a window and a door body for closing the window, wherein the door body can be a manual door or an automatic door. Meanwhile, the protective cover is provided with a through hole corresponding to the feed inlet of the feed channel on the headstock 200, so that feeding is facilitated.

The efficient numerical control turning and milling compound machine can realize linkage of four cutters simultaneously when a workpiece rotates, for example, the cutters on the first cutter tower 400 and the second cutter tower 500 perform excircle turning on the workpiece, the cutter on the third cutter tower 600 performs slotting or cutting, and the cutter on the fourth cutter tower 700 performs tapping or tapping on the end part of the workpiece; alternatively, when the workpiece is stationary, the two tools may be linked, for example, the tool on the first turret 400 drills or taps the workpiece, and the tool on the fourth turret 700 drills or taps the end of the workpiece. Therefore, the efficient numerical control turning and milling compound machine in the Mingming technology utilizes the linkage of a plurality of cutters to process the workpiece, and is beneficial to improving the processing efficiency.

The above is only a part or preferred embodiment of the present invention, and neither the text nor the drawings should limit the scope of the present invention, and all equivalent structural changes made by the present specification and the contents of the drawings or the related technical fields directly/indirectly using the present specification and the drawings are included in the scope of the present invention.

Claims

1. The efficient numerical control turning and milling compound machine is characterized by comprising a lathe bed and a headstock which is arranged on the lathe bed and used for feeding; the lathe head box is provided with a chuck for clamping a workpiece, a sliding seat capable of moving on the lathe bed is arranged close to the chuck, a first tool turret and a second tool turret which can move relative to the chuck are oppositely arranged on the sliding seat, a plurality of first fixing heads used for fixing a cutter and a first driving mechanism used for driving the first fixing heads to rotate are arranged on the first tool turret, and a plurality of second fixing heads used for fixing the cutter are arranged on the second tool turret.

2. The efficient numerical control turning and milling compound machine according to claim 1, wherein the first turret comprises a first linear module for driving the first fixed head to move along a Z axis, a second linear module for driving the first fixed head to move along an X axis, and a third linear module for driving the first fixed head to move along a Y axis, an output execution end of the first linear module is connected with the second linear module, an output execution end of the second linear module is connected with the third linear module, and the first fixed head is connected with an output execution end of the third linear module.

3. The efficient numerical control turning and milling compound machine according to claim 1, wherein the second turret comprises a fourth linear module for driving the second fixed head to move along the Z-axis, a fifth linear module for driving the second fixed head to move along the X-axis, and a sixth linear module for driving the second fixed head to move along the Y-axis, an output execution end of the fourth linear module is connected with the fifth linear module, an output execution end of the fifth linear module is connected with the sixth linear module, and the second fixed head is connected with an output execution end of the sixth linear module.

4. The efficient CNC turning and milling machine of claim 3, wherein the second turret further comprises a third stationary head disposed on one side of the first stationary head, the third stationary head being movable relative to the first stationary head.

5. The efficient numerical control turning and milling compound machine according to claim 1, further comprising a third turret arranged on the headstock and used for mounting a cutting tool, wherein the third turret comprises a fourth fixed head and a second driving mechanism used for driving the fourth fixed head to move in a direction close to or far away from the chuck.

6. The efficient numerical control turning and milling compound machine according to claim 1, further comprising a fourth turret disposed on the slide and between the first turret and the second turret, the fourth turret including a plurality of fifth stationary heads for holding tools and a third driving mechanism for driving the fifth stationary heads to rotate.

7. The efficient numerical control turning and milling compound machine according to claim 6, wherein the fourth turret further comprises a seventh linear module for driving the fifth fixed head to move along the Z axis and an eighth linear module for driving the fifth fixed head to move along the X axis, an output execution end of the seventh linear module is connected with the eighth linear module, and the fifth fixed head is connected with an output execution end of the eighth linear module.

8. The efficient numerical control turning and milling compound machine according to claim 1, wherein the first driving mechanism comprises a gear box and a driving motor, the gear box is provided with an input end and a plurality of output ends, the input end of the gear box is connected with the output end of the driving motor, and a plurality of first fixing heads are correspondingly arranged on the plurality of output ends of the gear box.

9. The efficient numerical control turning and milling compound machine according to claim 1, further comprising an outlet channel disposed on the machine body, wherein an inlet of the outlet channel is located below the chuck, and an outlet of the outlet channel is located on one side of the machine body.

10. The efficient CNC turning and milling machine of claim 9, further comprising a protective cover covering the machine bed.