CN211990936U - Double Spindle CNC Lathe - Google Patents

Abstract

The utility model discloses a double-spindle numerical control lathe, which comprises a lathe body, 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 all 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. The utility model discloses a two main shaft numerical control lathes adopt two main shafts to process the work piece in step, reduce the procedure, improve machining efficiency height, and adopt the synchronous shaft drive first main shaft and second main shaft to realize synchronous rotation effect, make full use of servo motor's power, and control reliability is high, effectively improves off-the-shelf machining precision, provides the condition for realizing full automatic processing.

Description

Double Spindle CNC Lathe

technical field

The utility model relates to the technical field of numerical control lathes, in particular to a double-spindle numerical control lathe.

Background technique

The two spindles of the dual-axis CNC lathe are symmetrically arranged on both sides of the machine body, and the workpiece is placed between the two spindles to process the two outer sides of the workpiece together, which can reduce processing procedures and shorten processing time. However, each main shaft of the existing dual-axis CNC lathe is provided with a servo motor, and then the two servo motors are controlled to work synchronously through electronic synchronization, so that the two shafts and columns can process the two outer sides of the workpiece synchronously. The structure needs to be equipped with two servo motors, the structure is complex, there are many parts, the manufacturing cost of the CNC lathe is high, and the power of the motor cannot be fully utilized, the efficiency is low, the cost is high, and the electronic synchronization control method, its reliability is low, and it is easy to This leads to the phenomenon of double-spindle catching up, which affects the machining accuracy of CNC lathes and workpieces.

Therefore, how to realize a dual-spindle CNC lathe with reasonable structure design, high efficiency and low cost, using a synchronous shaft structure to achieve the effect of synchronous spindle rotation, and high machining accuracy and reliability is a technical problem to be solved urgently in the industry.

SUMMARY OF THE INVENTION

The main purpose of the utility model is to provide a dual-spindle CNC lathe, which aims to realize a dual-spindle CNC lathe with reasonable structure design, high efficiency and low cost, using a synchronous shaft structure to achieve the effect of synchronous rotation of the main shaft, and high machining accuracy and reliability.

The utility model proposes a double-spindle CNC lathe, which comprises a lathe body provided with transverse guide rails, a first cover, a second cover, a first spindle mechanism, a second spindle mechanism, a synchronous axis mechanism, a control device, a first spindle mechanism, Both the second main shaft mechanism and the synchronous shaft mechanism are electrically connected to the control device;

The first spindle mechanism includes a first spindle and a first chuck assembly arranged on the first spindle for fixing the workpiece;

The second spindle mechanism includes a second spindle and a second chuck assembly disposed on the second spindle for fixing the workpiece;

The synchronous shaft mechanism includes a synchronous shaft fixed on the lathe body through a number of bearing seats, a power wheel sleeved on the synchronous shaft, and a servo motor driven by the power wheel to rotate the synchronous shaft. The synchronous shaft is set at the position corresponding to the first main shaft. There is a first driven wheel assembly, the first driven wheel assembly is drivingly connected with the first main shaft through a first belt;

The synchronizing shaft is provided with a second driven wheel assembly at a position corresponding to the second main shaft, and the second driven wheel assembly is drive-connected with the second main shaft through a second belt.

Preferably, 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 upward and It is fixedly connected with the first spindle mechanism.

Preferably, the second driven wheel assembly includes a second driven wheel, a second support, a second bearing seat provided on both sides of the second support, a second bearing and a second bearing cover; the second support extends upward and It 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, and the first main shaft mechanism further includes a base, an X-axis rail, and an X-axis moving along the X-axis rail, which are arranged on the transverse rail through several sliders. The support plate, the Y-axis rail arranged on the X-axis support plate, the Y-axis support plate that moves along the Y-axis rail, and the dynamic tool structure arranged on the Y-axis support plate to process the workpiece; the structure of the second spindle mechanism The structure is the same as that of the first spindle mechanism.

Preferably, the dual-spindle CNC lathe further includes a first rotary rod mechanism arranged on the lathe body and driving the first spindle mechanism to move along the lateral guide rail, and a second rotary rod mechanism driving the second spindle mechanism to move along the lateral guide rail.

Preferably, the control device includes a touch control panel provided on the second housing.

Compared with the prior art, the dual-spindle CNC lathe of the present invention has the following beneficial effects: the lathe body is provided with a first main shaft mechanism and a second main shaft mechanism, and the workpiece is processed by using the dual main shafts, reducing the processing procedure and shortening the processing time. , Improve the processing efficiency, and use the synchronous shaft mechanism to drive the first spindle and the second spindle to achieve synchronous rotation effect, make full use of the power of the servo motor, and the drive control reliability is high, ensuring that the dual-spindle CNC lathe can work normally for a long time and improve the finished product. The high machining accuracy provides conditions for the realization of fully automatic machining.

Description of drawings

1 is one of the three-dimensional schematic diagrams of an embodiment of the dual-spindle CNC lathe of the present invention;

2 is the second schematic diagram of the three-dimensional structure of an embodiment of the dual-spindle CNC lathe of the present utility model, wherein the first cover and the second cover are not shown, which contains part A;

Fig. 3 is the enlarged structural representation of part A in Fig. 2;

4 is the third three-dimensional schematic diagram of an embodiment of the dual-spindle CNC lathe of the present invention; wherein the machine body, the first cover, and the second cover are not shown;

5 is a schematic cross-sectional structural diagram of a synchronous shaft mechanism in an embodiment of the dual-spindle CNC lathe of the present invention.

The realization, functional characteristics and advantages of the purpose of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

1 to 5 , an embodiment of a dual-spindle CNC lathe of the present invention is proposed, including a lathe body 100 provided with a transverse guide rail 101 , a first cover 102 , a second cover 103 , a first cover 102 and a second cover 103 are respectively arranged on both sides of the lathe body 100 .

The dual-spindle CNC lathe also includes a first spindle mechanism, a second spindle mechanism, a synchronous shaft mechanism, and a control device. The first spindle mechanism, the second spindle mechanism, and the synchronous shaft mechanism are all electrically connected to the control device, wherein the first housing 102 covers On the first spindle mechanism, the second cover 103 is covered on the second spindle mechanism. The control device includes a touch control panel 501. The touch control panel 501 in this embodiment is provided on the second cover 103. The processing parameters of the dual-spindle CNC lathe are set on the touch control panel 501 .

The first spindle mechanism and the second spindle mechanism of the present invention are symmetrically arranged on both sides of the lathe body 100, the workpiece 800 is clamped between the first spindle mechanism and the second spindle mechanism, and the dual-spindle CNC lathe is opposite to the two ends of the workpiece 800. Do cutting.

The first spindle mechanism includes a first spindle 201 , a first chuck assembly 202 disposed on the first spindle 201 for fixing the workpiece 800 , and the first spindle mechanism also includes a base set on the lateral guide rail 101 through a number of sliders 203 204. The X-axis rail 205 provided on the base 204, the X-axis support plate 206 moving along the X-axis rail 205, the Y-axis rail 207 provided on the X-axis support plate 206, and the Y-axis rail 207 moving along the Y-axis rail 207 The shaft support plate 208, the driven tool structure 209 disposed on the Y-axis support plate 208 for processing the workpiece 800, the first spindle mechanism also includes a first drive cylinder for driving the X-axis support plate 206 to move along the X-axis rail 205, The second driving cylinder that drives the Y-axis support plate 208 to move along the Y-axis rail 207, and the driven tool structure 209 arranged on the Y-axis support plate 208, makes left and right, front and rear movements under the action of the first driving cylinder and its two driving cylinders. Sporty, compact and well-designed. The first spindle 201 of the present invention is arranged on the base 204 , and the power tool structure 209 can move left and right, front and rear relative to the first spindle 201 , so that the power tool structure 209 can cut the workpiece 800 in all directions.

The dual-spindle CNC lathe also includes a first rotary rod mechanism that is disposed on the lathe body 100 and drives the first spindle mechanism to move along the transverse guide rail 101 . The first rotary rod mechanism includes a fixed seat fixed on the lathe body 100 . The rod bearing is provided on the fixed seat and can be rotated by a lead screw 601, and a rocker handle 602 for driving the lead screw 601 to rotate. The sliding seat is fixedly connected with the base 204, so that the base 204 moves with the movement of the sliding seat. When the user needs to adjust the position of the first spindle mechanism to install the workpiece 800, manually control the handle 602, rotate the screw 601, and the sliding seat moves along the screw 601, thereby driving the base 204 to move synchronously along the lateral guide rail 101, and then adjust The position of the first main shaft mechanism is simple in structure, and the adjustment operation is convenient and quick.

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 includes a second spindle 301 and a second chuck assembly disposed on the second spindle 301 for fixing the workpiece 800 . The second spindle mechanism further includes a first driven tool structure 209 , and the first driven tool structure 209 performs cutting processing on the other end of the workpiece 800 . The dual-spindle CNC lathe further includes a second rotary rod mechanism 700 that is arranged on the lathe body 100 and drives the second spindle mechanism to move along the transverse guide rail 101. The position of the second spindle mechanism can be adjusted through the second rotary rod mechanism 700, thereby facilitating the The longer workpiece 800 is mounted between the first spindle mechanism and the second spindle mechanism.

The dual-spindle CNC lathe of the present invention adopts the first spindle mechanism and the second spindle mechanism to process both ends of the workpiece 800, which simplifies the structure of the dual-spindle CNC lathe, reduces its manufacturing cost, and improves the market competition of the dual-spindle CNC lathe. In addition, when processing, the workpiece 800 is processed by double spindles, which reduces the processing procedure, shortens the processing time, improves the processing efficiency and processing accuracy, avoids multiple clamping and processing of the workpiece 800, saves time and cost, and ensures the processing quality. stability and consistency. At the same time, the distance between the first spindle mechanism and the second spindle mechanism can be flexibly adjusted by using the first rotary rod mechanism and the second rotary rod mechanism 700, so as to facilitate the processing of workpieces 800 of different lengths, and also facilitate the processing of longer workpieces 800. Clamping installation operation, simple structure, convenient operation, wide application range and high flexibility.

The synchronous shaft mechanism of the present invention includes a synchronous shaft 402 fixed on the lathe body 100 through a plurality of bearing seats 401, a power wheel 403 sleeved on the synchronous shaft 402, and a servo motor driven by the power wheel 403 to rotate the synchronous shaft 402. The shaft 402 is provided with a first driven wheel assembly at a position corresponding to the position of the first main shaft 201 , the first driven wheel assembly is connected to the first main shaft 201 through a first belt transmission, and the synchronizing shaft 402 is at a position corresponding to the second main shaft 301 . A second driven wheel assembly is provided, and the second driven wheel assembly is drivingly connected with the second main shaft 301 through a second belt. When the servo motor drives the synchronous shaft 402 to rotate, the first driven wheel assembly drives the first main shaft 201 to rotate synchronously through the first belt, and the second driven wheel assembly drives the second main shaft 301 to rotate synchronously through the second belt. Axis 402 realizes the effect of double-spindle synchronous rotation, the power of the servo motor is fully utilized, saving time and cost, and the mechanical transmission structure is used to achieve the effect of synchronous rotation of the spindle, and the drive control has high reliability, ensuring that the double-spindle CNC lathe can work normally for a long time, and improving the finished product. The high machining accuracy provides conditions for the realization of fully automatic machining.

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 both 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 synchronous shaft 402 , and the first driven wheel 404 drives the first main shaft 201 to rotate synchronously through the 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. When the base 204 moves along the lateral guide rail 101 through the slider 203, the first support The seat 405 moves synchronously with the base 204 , so that the positions of the first driven wheel 404 and the first main shaft 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 , a second bearing 412 and a second bearing cover 413 disposed on both sides of the second support 410 , 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 the second belt. In this embodiment, the second support 410 extends upward and is fixedly connected with the second spindle mechanism, that is, the second support 410 is fixedly connected with the second spindle mechanism. When the second spindle mechanism passes the slider 203 along the lateral guide rail 101 When moving, the second support 410 moves synchronously with the second main shaft mechanism, so that the positions of the second driven wheel 409 and the second main shaft 301 are kept consistent.

The dual-spindle CNC lathe of this embodiment has a relatively simple structure and low cost of the whole machine, which effectively improves the market competitiveness of the product.

In addition, the dual-spindle CNC lathe of this embodiment controls each mechanism to cooperate with each other through the control device, thereby effectively improving its automation degree and processing efficiency.

More specifically, the dual-spindle synchronous rotation effect is realized, the power of the servo motor is fully utilized, the drive control reliability is high, the machining accuracy of the finished product is improved, and the large-scale production of the enterprise is facilitated.

At the same time, the dual-spindle CNC lathe of the present invention is equipped with intelligent software in the control device. After programming, the user inputs parameters on the touch control panel 501, and the dual-spindle CNC lathe can automatically work according to the requirements set by the product. Convenient and practical.

Therefore, the present invention adopts double spindles to process the outer sides of the two ends of the workpiece 800, which greatly reduces the processing procedure, shortens the processing time, improves the processing efficiency, and adopts the synchronous shaft mechanism to drive the first spindle 201 and the second spindle 301 to achieve the effect of synchronous rotation , making full use of the power of the servo motor, and the high reliability of the drive control ensures that the dual-spindle CNC lathe can work normally for a long time, improves the machining accuracy of the finished product, provides conditions for the realization of automatic machining, and truly realizes a reasonable structural design and efficiency. High-quality, low-cost, high-precision and reliable dual-spindle CNC lathes.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structural transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims (6)

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.

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