阅读说明：本技术 双主轴数控车床 (Double-spindle numerical control lathe ) 是由 欧阳胤 丁金花 刘阳浩 于 2020-04-27 设计创作，主要内容包括：本发明公开双主轴数控车床,包括车床本体、第一主轴机构、第二主轴机构、同步轴机构、控制装置,第一主轴机构、第二主轴机构和同步轴机构均与控制装置电连接；同步轴机构包括同步轴、套设于同步轴上的动力轮、通过动力轮带动同步轴旋转的伺服电机、第一从动轮组件、第二从动轮组件,第一从动轮组件通过第一皮带与第一主轴传动连接；第二从动轮组件通过第二皮带与第二主轴传动连接。本发明的双主轴数控车床,采用双主轴同步对工件进行加工,减少加工程序,提高加工效率高,且采用同步轴驱动第一主轴和第二主轴实现同步旋转效果,充分利用伺服电机的动力,且控制可靠性高,有效提高成品的加工精度,为实现全自动加工提供了条件。(The invention discloses a double-spindle numerical control lathe which comprises a lathe body, a first spindle mechanism, a second spindle mechanism, a synchronous shaft mechanism and a control device, wherein the first spindle mechanism, the second spindle mechanism and the synchronous shaft mechanism are electrically connected with the control device; the synchronous shaft mechanism comprises a synchronous shaft, a power wheel sleeved on the synchronous shaft, a servo motor driving the synchronous shaft to rotate through the power wheel, a first driven wheel assembly and a second driven wheel assembly, and the first driven wheel assembly is in transmission connection with the first main shaft through a first belt; the second driven wheel assembly is in transmission connection with the second spindle through a second belt. According to the double-spindle numerical control lathe, the double spindles are adopted to synchronously process the workpiece, machining procedures are reduced, machining efficiency is improved, a synchronous shaft is adopted to drive the first spindle and the second spindle to achieve a synchronous rotating effect, power of a servo motor is fully utilized, control reliability is high, machining precision of a finished product is effectively improved, and conditions are provided for achieving full-automatic machining.)

1. The double-spindle numerical control lathe comprises a lathe body provided with a transverse guide rail, a first outer cover and a second outer cover, and is characterized by further comprising a first spindle mechanism, a second spindle mechanism, a synchronous shaft mechanism and a control device, wherein the first spindle mechanism, the second spindle mechanism and the synchronous shaft mechanism are all electrically connected with the control device;

the first main shaft mechanism comprises a first main shaft and a first chuck component which is arranged on the first main shaft and used for fixing a workpiece;

the second main shaft mechanism comprises a second main shaft and a second chuck component which is arranged on the second main shaft and used for fixing the workpiece;

the synchronous shaft mechanism comprises a synchronous shaft fixed on the lathe body through a plurality of bearing seats, a power wheel sleeved on the synchronous shaft and a servo motor driving the synchronous shaft to rotate through the power wheel, a first driven wheel component is arranged at a position of the synchronous shaft corresponding to the position of the first main shaft, and the first driven wheel component is in transmission connection with the first main shaft through a first belt;

the synchronous shaft is provided with a second driven wheel component at the position corresponding to the position of the second main shaft, and the second driven wheel component is in transmission connection with the second main shaft through a second belt.

2. The double-spindle numerically controlled lathe according to claim 1, wherein the first driven wheel assembly includes a first driven wheel, a first support, a first bearing seat provided on both sides of the first support, a first bearing, and a first bearing cover; the first support extends upwards and is fixedly connected with the first spindle mechanism.

3. The double-spindle numerical control lathe according to claim 1, wherein the second driven wheel assembly comprises a second driven wheel, a second support, a second bearing seat arranged on two sides of the second support, a second bearing and a second bearing cover; the second support extends upwards and is fixedly connected with the second spindle mechanism.

4. The double-spindle numerical control lathe according to claim 2 or 3, wherein the first spindle mechanism and the second spindle mechanism are symmetrically arranged on the transverse guide rail, the first spindle mechanism further comprises a base arranged on the transverse guide rail through a plurality of sliders, an X-axis rail, an X-axis supporting plate moving along the X-axis rail, a Y-axis rail arranged on the X-axis supporting plate, a Y-axis supporting plate moving along the Y-axis rail, and a power tool structure arranged on the Y-axis supporting plate and used for processing a workpiece; the structure of the second main shaft mechanism is the same as that of the first main shaft mechanism.

5. The double-spindle numerically controlled lathe according to claim 4, further comprising a first swing arm mechanism provided on the lathe body and moving the first spindle mechanism along the transverse guide rail, and a second swing arm mechanism moving the second spindle mechanism along the transverse guide rail.

6. The double-spindle numerically controlled lathe according to claim 5, wherein the control device includes a touch control panel provided on the second housing.

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe with double spindles.

Background

Two main shafts of the double-shaft numerical control lathe are symmetrically arranged on two sides of the machine tool body, and workpieces are placed between the two main shafts so as to simultaneously process two outer sides of the workpieces, so that processing procedures can be reduced, and processing time can be shortened. However, each spindle of the existing double-spindle numerically controlled lathe is correspondingly provided with a servo motor, and then two servo motors are controlled to synchronously work in an electronic synchronization mode so as to enable two spindles to synchronously process two outer sides of a workpiece.

Therefore, how to realize a structural design is reasonable, and is efficient, with low costs, adopts the synchronizing shaft structure to realize the synchronous rotatory effect of main shaft, and double-spindle numerical control lathe that machining precision and reliability are high is the technological problem that awaits solution in the industry.

Disclosure of Invention

The invention mainly aims to provide a double-spindle numerical control lathe, which aims to realize a double-spindle numerical control lathe with reasonable structural design, high efficiency, low cost, synchronous rotation effect of spindles realized by adopting a synchronous shaft structure and high processing precision and reliability.

The invention provides a double-spindle numerical control lathe, which comprises a lathe body provided with a transverse guide rail, a first outer cover, a second outer cover, a first spindle mechanism, a second spindle mechanism, a synchronous shaft mechanism and a control device, wherein the first spindle mechanism, the second spindle mechanism and the synchronous shaft mechanism are electrically connected with the control device;

the first main shaft mechanism comprises a first main shaft and a first chuck component which is arranged on the first main shaft and used for fixing a workpiece;

the second main shaft mechanism comprises a second main shaft and a second chuck component which is arranged on the second main shaft and used for fixing the workpiece;

the synchronous shaft mechanism comprises a synchronous shaft fixed on the lathe body through a plurality of bearing seats, a power wheel sleeved on the synchronous shaft and a servo motor driving the synchronous shaft to rotate through the power wheel, a first driven wheel component is arranged at a position of the synchronous shaft corresponding to the position of the first main shaft, and the first driven wheel component is in transmission connection with the first main shaft through a first belt;

the synchronous shaft is provided with a second driven wheel component at the position corresponding to the position of the second main shaft, and the second driven wheel component is in transmission connection with the second main shaft through a second belt.

Preferably, the first driven wheel assembly comprises a first driven wheel, a first support, first bearing seats arranged on two sides of the first support, a first bearing and a first bearing cover; the first support extends upwards and is fixedly connected with the first spindle mechanism.

Preferably, the second driven wheel assembly comprises a second driven wheel, a second support, a second bearing seat arranged on two sides of the second support, a second bearing and a second bearing cover; the second support extends upwards and is fixedly connected with the second spindle mechanism.

Preferably, the first main shaft mechanism and the second main shaft mechanism are symmetrically arranged on the transverse guide rail, the first main shaft mechanism further comprises a base arranged on the transverse guide rail through a plurality of sliding blocks, an X-axis rail, an X-axis supporting plate moving along the X-axis rail, a Y-axis rail arranged on the X-axis supporting plate, a Y-axis supporting plate moving along the Y-axis rail, and a power tool structure arranged on the Y-axis supporting plate and used for processing a workpiece; the structure of the second main shaft mechanism is the same as that of the first main shaft mechanism.

Preferably, the double-spindle numerically controlled lathe further comprises a first rotating rod mechanism and a second rotating rod mechanism, wherein the first rotating rod mechanism is arranged on the lathe body and drives the first spindle mechanism to move along the transverse guide rail, and the second rotating rod mechanism drives the second spindle mechanism to move along the transverse guide rail.

Preferably, the control device comprises a touch control panel arranged on the second housing.

Compared with the prior art, the double-spindle numerical control lathe has the following beneficial effects: the first main shaft mechanism and the second main shaft mechanism are arranged on the lathe body, the double main shafts are adopted to process a workpiece, machining procedures are reduced, machining time is shortened, machining efficiency is improved, the synchronous shaft mechanism is adopted to drive the first main shaft and the second main shaft to achieve a synchronous rotating effect, power of the servo motor is fully utilized, driving control reliability is high, the double-main-shaft numerical control lathe can work normally for a long time, machining precision of finished products is improved, and conditions are provided for achieving full-automatic machining.

Drawings

FIG. 1 is a schematic perspective view of a double-spindle CNC lathe according to an embodiment of the present invention;

FIG. 2 is a second schematic perspective view of a dual spindle CNC lathe of an embodiment of the present invention, wherein the first housing and the second housing are not shown and include part A;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a third schematic perspective view of a double-spindle CNC lathe according to an embodiment of the present invention; wherein the machine body, the first housing and the second housing are not shown;

FIG. 5 is a schematic cross-sectional view of a synchronous shaft mechanism in an embodiment of a numerically controlled lathe with two spindles according to the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, an embodiment of a double-spindle numerically controlled lathe according to the present invention includes a lathe body 100 provided with a cross rail 101, a first housing 102, and a second housing 103, where the first housing 102 and the second housing 103 are respectively provided on two sides of the lathe body 100.

The double-spindle numerical control lathe further comprises a first spindle mechanism, a second spindle mechanism, a synchronizing shaft mechanism and a control device, wherein the first spindle mechanism, the second spindle mechanism and the synchronizing shaft mechanism are electrically connected with the control device, the first outer cover 102 is arranged on the first spindle mechanism in a covering mode, the second outer cover 103 is arranged on the second spindle mechanism in a covering mode, the control device comprises a touch control panel 501, the touch control panel 501 of the embodiment is arranged on the second outer cover 103, and a user can set processing parameters of the double-spindle numerical control lathe on the touch control panel 501.

The first spindle mechanism and the second spindle mechanism of the present invention are symmetrically provided on both sides of the lathe body 100, the workpiece 800 is held between the first spindle mechanism and the second spindle mechanism, and the double-spindle numerically controlled lathe cuts both end sides of the workpiece 800.

The first spindle mechanism comprises a first spindle 201, a first chuck assembly 202 arranged on the first spindle 201 and used for fixing a workpiece 800, a base 204 arranged on the transverse guide rail 101 through a plurality of sliding blocks 203, an X-axis rail 205 arranged on the base 204, an X-axis supporting plate 206 moving along the X-axis rail 205, and a Y-axis rail 207 arranged on the X-axis supporting plate 206, the first spindle mechanism further comprises a first driving cylinder for driving the X-axis supporting plate 206 to move along the X-axis rail 205, a second driving cylinder for driving the Y-axis supporting plate 208 to move along the Y-axis rail 207, and the power tool structure 209 arranged on the Y-axis supporting plate 208 moves left and right and back and forth under the action of the first driving cylinder and the two driving cylinders thereof, so that the structure is compact and reasonable in design. The first main shaft 201 is arranged on the base 204, and the power cutter structure 209 can move left and right and back and forth relative to the first main shaft 201, so that the power cutter structure 209 can conveniently carry out cutting processing on the workpiece 800 in all directions.

The double-spindle numerical control lathe further comprises a first rotating rod mechanism which is arranged on the lathe body 100 and drives the first spindle mechanism to move along the transverse guide rail 101, the first rotating rod mechanism comprises a fixed seat fixed on the lathe body 100, a screw rod 601 which is arranged on the fixed seat through a plurality of rotating rod bearings and can rotate, a crank handle 602 for driving the screw rod 601 to rotate, a sliding seat which moves along the screw rod 601 along the left and right directions is arranged on the screw rod 601 along the rotation of the screw rod 601, and the sliding seat is fixedly connected with the base 204, so that the base 204 moves along with the movement of the sliding seat. When a user needs to adjust the position of the first spindle mechanism to install the workpiece 800, the handle 602 is manually controlled, the screw rod 601 is rotated, and the sliding seat moves along the screw rod 601, so that the base 204 is driven to synchronously move along the transverse guide rail 101, and the position of the first spindle mechanism is adjusted.

The second spindle mechanism is disposed on the other side of the lathe body 100, and the structure of the second spindle mechanism is the same as that of the first spindle mechanism. The second spindle mechanism comprises a second spindle 301 and a second chuck assembly arranged on the second spindle 301 and used for fixing the workpiece 800. The second spindle mechanism further comprises a first power tool structure 209, and the first power tool structure 209 performs cutting processing on the other end of the workpiece 800. The double-spindle numerically controlled lathe further comprises a second rotating rod mechanism 700 which is arranged on the lathe body 100 and drives the second spindle mechanism to move along the transverse guide rail 101, and the position of the second spindle mechanism can be adjusted through the second rotating rod mechanism 700, so that a long workpiece 800 can be conveniently installed between the first spindle mechanism and the second spindle mechanism.

According to the double-spindle numerical control lathe, the first spindle mechanism and the second spindle mechanism are adopted to machine the two end sides of the workpiece 800, the structure of the double-spindle numerical control lathe is simplified, the manufacturing cost of the double-spindle numerical control lathe is reduced, the market competitiveness of the double-spindle numerical control lathe is improved, in addition, the double spindles are adopted to machine the workpiece 800 during machining, machining procedures are reduced, the machining time is shortened, the machining efficiency and the machining precision are improved, multiple clamping and machining on the workpiece 800 are avoided, the time cost is saved, and the stability and the consistency of the machining quality are ensured. Meanwhile, the distance between the first spindle mechanism and the second spindle mechanism can be flexibly adjusted by utilizing the first rotating rod mechanism and the second rotating rod mechanism 700 so as to conveniently process workpieces 800 with different lengths, and the clamping installation operation of longer workpieces 800 is also facilitated.

The synchronizing shaft mechanism comprises a synchronizing shaft 402 fixed on a lathe body 100 through a plurality of bearing seats 401, a power wheel 403 sleeved on the synchronizing shaft 402 and a servo motor driving the synchronizing shaft 402 to rotate through the power wheel 403, wherein a first driven wheel assembly is arranged at the position of the synchronizing shaft 402 corresponding to the position of a first main shaft 201 and is in transmission connection with the first main shaft 201 through a first belt, a second driven wheel assembly is arranged at the position of the synchronizing shaft 402 corresponding to the position of a second main shaft 301 and is in transmission connection with the second main shaft 301 through a second belt. When the servo motor drives the synchronizing shaft 402 to rotate, the first driven wheel assembly drives the first main shaft 201 to rotate synchronously through the first belt, the second driven wheel assembly drives the second main shaft 301 to rotate synchronously through the second belt, the single servo motor utilizes the synchronizing shaft 402 to achieve the effect of synchronous rotation of the double main shafts, the servo motor is sufficient in power utilization, the time cost is saved, the effect of synchronous rotation of the main shafts is achieved by adopting a mechanical transmission structure, the reliability of driving control is high, the double-main-shaft numerical control lathe can work normally for a long time, the processing precision of finished products is improved, and conditions are provided for achieving full-automatic processing.

In this embodiment, the first driven wheel assembly includes a first driven wheel 404, a first support 405, a first bearing seat 406 disposed on two sides of the first support 405, a first bearing 407, and a first bearing cover 408, the first driven wheel 404 rotates synchronously with the synchronizing shaft 402, and the first driven wheel 404 drives the first main shaft 201 to rotate synchronously through a first belt. The first support 405 extends upward and is fixedly connected to the first spindle mechanism, in this embodiment, the first support 405 is fixedly connected to the base 204, and when the base 204 moves along the transverse guide rail 101 through the slider 203, the first support 405 and the base 204 move synchronously, so that the positions of the first driven wheel 404 and the first spindle 201 are kept consistent.

In this embodiment, the second driven wheel assembly includes a second driven wheel 409, a second support 410, a second bearing seat 411 disposed on two sides of the second support 410, a second bearing 412, and a second bearing cover 413, the second driven wheel 409 rotates synchronously with the synchronizing shaft 402, and the second driven wheel 409 drives the second main shaft 301 to rotate synchronously through a second belt. In this embodiment, the second support 410 extends upward and is fixedly connected to the second spindle mechanism, that is, the second support 410 is fixedly connected to the second spindle mechanism, and when the second spindle mechanism moves along the transverse guide rail 101 through the slider 203, the second support 410 and the second spindle mechanism move synchronously, so that the positions of the second driven wheel 409 and the second spindle 301 are kept consistent.

The double-spindle numerical control lathe is simple in structure and low in overall cost, and market competitiveness of products is effectively improved.

In addition, the double-spindle numerical control lathe of the embodiment controls the mechanisms to work cooperatively through the control device, and the automation degree and the machining efficiency of the double-spindle numerical control lathe are effectively improved.

More specifically, the synchronous rotation effect of the double main shafts is realized, the power of the servo motor is fully utilized, the reliability of driving control is high, the processing precision of finished products is improved, and the large-scale production of enterprises is facilitated.

Meanwhile, the double-spindle numerical control lathe is provided with intelligent software in the control device, after programming, a user inputs parameters on the touch control panel 501, and the double-spindle numerical control lathe can automatically work according to the set requirements of products, so that the double-spindle numerical control lathe is convenient to operate and practical.

Therefore, the double-spindle numerical control lathe has the advantages that the double spindles are adopted to process the outer sides of the two ends of the workpiece 800, processing procedures are greatly reduced, processing time is shortened, processing efficiency is improved, a synchronous shaft mechanism is adopted to drive the first spindle 201 and the second spindle 301 to achieve synchronous rotation effect, power of the servo motor is fully utilized, driving control reliability is high, long-term normal work of the double-spindle numerical control lathe is guaranteed, processing precision of finished products is improved, conditions are provided for full-automatic processing, and the double-spindle numerical control lathe with reasonable structural design, high efficiency, low cost, high processing precision and high reliability is truly realized.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.