CN215237860U - Double-turret single-spindle vertical lathe - Google Patents

Abstract

The utility model provides a vertical lathe of double knives tower single main shaft, which comprises a frame, the vertical sliding in both sides of frame is connected with slider one and slider two, lateral sliding is connected with the main knife rest on the slider one, lateral sliding is connected with the vice knife rest on the slider two, still be provided with in the frame for the driving piece one that control slider one goes up and down and for the driving piece two that control slider two goes up and down, the bottom of frame is rotated and is provided with the main shaft, be provided with in the frame for driving the rotatory driving piece three of main shaft, be provided with on the slider one for driving piece four of main knife rest lateral shifting, be provided with on the slider two for driving piece five that drives vice knife rest lateral shifting. The vertically arranged lathe has the advantages that firstly, the high-rigidity main shaft at the bottom of the rack is mainly used for bearing the weight of a workpiece, the stress of the lathe is more uniform, and the service life and the precision stability of the lathe are greatly improved; secondly, the vertically-installed lathe has the advantage of small occupied area, and the production cost of a user can be saved.

Description

Double-turret single-spindle vertical lathe

Technical Field

The utility model relates to a machining equipment field relates to a vertical lathe of double knives tower single main shaft especially.

Background

At present, chinese patent with publication number CN203124747U discloses a double-turret numerically-controlled lathe, which comprises a frame and a feeding mechanism, wherein a first inclined support frame is arranged on the frame, a main tool rest and an auxiliary tool rest are arranged on the first inclined support frame, the main tool rest and the auxiliary tool rest are arranged in parallel from top to bottom, a main spindle box is arranged at the bottom of the feeding mechanism, a clamping elastic chuck for clamping a workpiece is arranged on the main spindle box, and a main tool rest Z servo motor for driving the main tool rest to move and an auxiliary tool rest Z servo motor for driving the auxiliary tool rest to move are further arranged on the first inclined support frame. When the tool is used, a workpiece to be machined is clamped on the clamping elastic chuck, the main tool rest and the tools on the auxiliary tool rest can simultaneously machine the workpiece, however, because the main tool rest is positioned above the auxiliary tool rest, scrap iron generated by cutting the tools on the main tool rest can be accumulated on the auxiliary tool rest under the influence of gravity, so that scrap iron can not be removed easily, and the normal use of the auxiliary tool rest is also very easily influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a double-tool turret single main shaft vertical lathe, it has the advantage that the iron fillings that the cutter cutting produced on the main tool rest is difficult for causing the influence to the normal use of vice knife rest.

In order to solve the technical problem, the technical scheme of the utility model is that: a double-turret single-spindle vertical lathe comprises a frame, wherein a first sliding block and a second sliding block are vertically connected to two sides of the frame in a sliding manner, the first sliding block is transversely connected with a main tool rest in a sliding manner, the second sliding block is transversely connected with an auxiliary tool rest in a sliding manner, the machine frame is also provided with a first driving piece for controlling the first sliding block to ascend and descend and a second driving piece for controlling the second sliding block to ascend and descend, a main shaft is rotatably arranged at the bottom of the frame between the main tool rest and the auxiliary tool rest, a main shaft chuck is arranged at the top of the main shaft, the machine frame is also provided with a driving part III for driving the main shaft to rotate, the slide block I is provided with a driving part IV for driving the main tool rest to be close to or far away from the axis of the main shaft, and a driving piece V for driving the auxiliary tool rest to be close to or far away from the axis of the main shaft is arranged on the sliding block II.

Through the technical scheme, the main tool rest and the auxiliary tool rest are vertically connected to the rack in a sliding mode, and the main shaft used for clamping the workpiece is located between the main tool rest and the auxiliary tool rest. During the use, the work piece centre gripping that will process is on the main shaft chuck that is located the main shaft top, driving piece three can drive main shaft and work piece and rotate together, and main knife rest and auxiliary tool rest can be close to the work piece and utilize the cutter to process the work piece under driving piece four and driving piece five drive respectively, iron fillings that main knife rest and auxiliary tool rest cutting produced can directly drop to the frame bottom under the influence of gravity this moment, the condition on the auxiliary tool rest is piled up to the iron fillings that the cutter cutting on the main knife rest produced so difficult to appear, the normal use of auxiliary tool rest is difficult to receive the influence, the use reliability of lathe is higher. The vertically arranged lathe has the advantages that firstly, the high-rigidity main shaft at the bottom of the rack is mainly used for bearing the weight of the workpiece, the stress of the lathe is more uniform, and the service life and the precision stability of the lathe are greatly improved; secondly, the vertically-installed lathe has the advantage of small occupied area, so that the production cost of a user can be saved; the lathe is provided with the tool turrets on two sides and can simultaneously turn the workpiece, the turning efficiency of the lathe is greatly improved, and the problems of tool vibration and tool back-off during turning of the slender shaft workpiece can be solved during processing of the slender shaft workpiece.

Preferably, the top of the rack is also vertically connected with a tailstock in a sliding manner, the tailstock is vertically opposite to the spindle, and the tailstock is provided with a tailstock tip arranged towards one side of the spindle.

Through the technical scheme, the lathe can turn eccentric shaft workpieces due to the arrangement of the tailstock, the precision of the lathe can be adjusted by the tailstock when the workpieces are clamped on the spindle chuck, and the machining precision of the vertical lathe is higher. And because the lathe is vertically installed, most of the weight of the workpiece is borne by the main shaft, so that the workpiece is not easy to apply excessive bearing force to the tailstock centre, and the service life and the precision stability of the tailstock centre are greatly improved.

Preferably, the frame is located the both sides of main shaft are provided with guide rail one and guide rail two respectively along vertical direction, slider one is followed guide rail one slides, slider two is followed guide rail two slides, driving piece one is including setting up the servo motor one at frame top and with the lead screw that the output of servo motor one is connected is first, a slider threaded connection in lead screw one, driving piece two is including setting up the servo motor two at frame top and with the lead screw two that the output of servo motor two is connected, two threaded connection of slider in lead screw two.

Through the technical scheme, the first servo motor can control the first screw rod to rotate, and the first slide block is in a use state of vertically lifting up and down along the first guide rail under the matching of the first guide rail and the first screw rod, so that the main tool rest can move along the axis direction of a workpiece and process the workpiece by using a cutter, the vertical sliding distance of the main tool rest can be accurately controlled by the matching of the first screw rod and the first servo motor, and the processing precision of a lathe is higher; the second controllable lead screw of the second servo motor is rotated, the second sliding block is in a use state of vertical lifting along the second guide rail under the cooperation of the second guide rail and the second lead screw at the moment, so that the auxiliary tool rest can move along the axis direction of the workpiece and process the workpiece by using a tool, the vertical sliding distance of the auxiliary tool rest can be controlled accurately by using the cooperation of the second lead screw and the second servo motor, and the machining precision of a lathe is higher.

Preferably, the frame is located the both sides of main shaft still are provided with axle sleeve one and axle sleeve two respectively, axle sleeve one with lead screw one is relative from top to bottom, just lead screw one is kept away from the tip card of servo motor one is gone into axle sleeve one, axle sleeve two with the lead screw two is relative from top to bottom, just the lead screw two is kept away from the tip card of servo motor two is gone into axle sleeve two.

Through the technical scheme, the end part, far away from the servo motor I, of the screw rod I is rotatably connected into the shaft sleeve I, the shaft sleeve I can support the screw rod I and enables the screw rod I to rotate more stably, and the screw rod I further enables the slide block I to control the slide block I to vertically slide more stably; the end part of the second screw rod, far away from the second servo motor, is rotatably connected in the second shaft sleeve, the second shaft sleeve can support the second screw rod and enables the second screw rod to rotate more stably, the second screw rod is further enabled to vertically slide more stably, and the use stability of the lathe is higher.

Preferably, the transverse direction of the end face of the first sliding block is provided with a third guide rail, the main tool rest slides along the third guide rail, the transverse direction of the end face of the second sliding block is provided with a fourth guide rail, the auxiliary tool rest slides along the fourth guide rail, the fourth driving piece comprises a third servo motor arranged on the end face of the first sliding block and a third screw rod connected with the output end of the third servo motor, the main tool rest is in threaded connection with the third screw rod, the fifth driving piece comprises a fourth servo motor arranged on the end face of the second sliding block and a fourth screw rod connected with the output end of the fourth servo motor, and the auxiliary tool rest is in threaded connection with the fourth screw rod.

Through the technical scheme, the third servo motor can control the third screw rod to rotate, the main tool rest can move close to or far away from one side of the workpiece along the third guide rail and can process the workpiece by using the tool under the matching of the third guide rail and the third screw rod, the transverse sliding distance of the main tool rest can be accurately controlled by matching the third screw rod with the third servo motor, and the processing precision of a lathe is higher; four steerable lead screws of servo motor are four rotatory, and the use status that has along four lateral sliding of guide rail is presented to the vice knife rest under the cooperation of guide rail four and lead screw four this moment, so make vice knife rest can be along guide rail four do be close to or keep away from the removal of work piece one side and utilize the cutter to process the work piece, utilize the cooperation of lead screw four and servo motor four can carry out comparatively accurate control to the lateral sliding distance of vice knife rest, and the machining precision of lathe is higher.

Preferably, the bottom of frame is located the chip removal holds the mouth has been seted up to the both sides of main shaft, the notch department of chip removal holds the mouth has and is used for guiding iron fillings to get into the direction inclined plane of chip removal hold the mouth.

Through above-mentioned technical scheme, the iron fillings that the lathe cutting produced can drop to bottom one side of frame under the influence of gravity, so iron fillings can get into the chip removal under the guide on direction inclined plane and hold the mouth and deposit, so make the use of lathe maintain more convenient.

Preferably, run through on the lateral wall of frame be provided with communicate in the automatic chip removal machine installing port of chip removal holding port, automatic chip removal machine certainly automatic chip removal machine installing port stretches into the chip removal holding port.

Through above-mentioned technical scheme, automatic chip removal machine can stretch into the chip removal from automatic chip removal machine installing port and hold the interior automatic iron fillings that produce the lathe cutting and transport away, so reducible staff cleans the work burden of lathe, and the service environment of lathe is more clean and tidy, and the stability in use of the influence lathe that has not had iron fillings has also obtained the improvement.

Preferably, the bottom of the rack is provided with a mounting pipe, and the main shaft is fixedly connected in the mounting pipe.

Through above-mentioned technical scheme, the main shaft is installed in the installation pipe, so make the use intensity and the stability of main shaft higher, the use reliability of lathe is higher.

Preferably, a plurality of reinforcing ribs are circumferentially arranged between the rack and the side wall of the mounting pipe.

Through above-mentioned technical scheme, a plurality of strengthening ribs can support the installation pipe and make the installation pipe higher to the bearing capacity of main shaft, and the stability in use of lathe is stronger.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

reference numerals: 1. a frame; 2. a first sliding block; 3. a second sliding block; 4. a main tool rest; 5. a secondary tool holder; 6. a first driving part; 7. a driving part II; 8. a main shaft; 9. a spindle chuck; 10. a driving member III; 11. driving part IV; 12. a driving member V; 13. a tailstock; 14. tailstock finial; 15. a first guide rail; 16. a second guide rail; 17. a first servo motor; 18. a first screw rod; 19. a servo motor II; 20. a second screw rod; 21. a first shaft sleeve; 22. a second shaft sleeve; 23. a third guide rail; 24. a fourth guide rail; 25. a servo motor III; 26. a third screw rod; 27. a servo motor IV; 28. a fourth screw rod; 29. a chip removal receiving port; 30. a guide slope; 31. an automatic chip removal machine mounting port; 32. installing a pipe; 33. and (5) reinforcing ribs.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in fig. 1, a double-turret single-spindle 8 vertical lathe comprises a frame 1.

The bottom of frame 1 is provided with installation pipe 32, fixedly connected with main shaft 8 in the installation pipe 32, and the axis of main shaft 8 upwards extends along vertical direction. A plurality of reinforcing ribs 33 are circumferentially arranged between the side walls of the rack 1 and the mounting pipe 32, and the mounting pipe 32 can be supported by the plurality of reinforcing ribs 33, so that the main shaft 8 borne by the mounting pipe 32 is more stable. And the bottom of the frame 1 is also provided with a driving part three 10 for controlling the rotation of the main shaft 8, in this embodiment, the driving part three 10 is preferably a rotary oil cylinder, which has the advantages of small size and large output torque, and as another solution, the driving part three 10 can also be a motor or a rotary air cylinder. The top of the spindle 8 is provided with a spindle chuck 9 for holding a workpiece, and in use, the drive member three 10 can drive the spindle 8 and the workpiece held on the spindle chuck 9 to rotate together.

The two sides of the main shaft 8 on the rack 1 are respectively provided with a first guide rail 15 and a second guide rail 16 in the vertical direction, the first guide rail 15 is connected with a first sliding block 2 in a vertical sliding mode, the top of the rack 1 is provided with a first driving piece 6 for controlling the lifting of the first sliding block 2, the first driving piece 6 comprises a first servo motor 17 arranged at the top of the rack 1 and a first lead screw connected with an output shaft of the first servo motor 17, the first servo motor 17 can drive the first lead screw to rotate, the first sliding block 2 is in threaded connection with the first lead screw, and therefore the first sliding block 2 can be driven by the first servo motor 17 to slide in the vertical direction under the matching of the first guide rail 15 and the first lead screw. The end face of the first sliding block 2 is transversely provided with a third guide rail 23, the third guide rail 23 is transversely connected with a main tool rest 4 in a sliding mode, the end face of the first sliding block 2 is further provided with a driving piece four 11 used for driving the main tool rest 4 to transversely slide, the driving piece four 11 comprises a third servo motor 25 arranged on the end face of the first sliding block 2 and a third lead screw 26 connected with an output shaft of the third servo motor 25, the third servo motor 25 can drive the third lead screw to rotate, the main tool rest 4 is in threaded connection with the third lead screw, and therefore the main tool rest 4 can be driven by the third servo motor 25 to transversely slide under the matching of the third guide rail 23 and the third lead screw. The main tool rest 4 can slide along the axial direction of the workpiece under the driving of the servo motor I17, and can transversely slide close to or far away from one side of the workpiece under the driving of the servo motor III 25, so that a tool on the main tool rest 4 can perform turning operation on the workpiece, and the main tool rest has the advantage of higher precision; the second guide rail 16 is vertically connected with a second sliding block 3 in a sliding mode, the top of the rack 1 is provided with a second driving piece 7 used for controlling the second sliding block 3 to ascend and descend, the second driving piece 7 comprises a second servo motor 19 arranged at the top of the rack 1 and a second lead screw connected with an output shaft of the second servo motor 19, the second servo motor 19 can drive the second lead screw to rotate, the second sliding block 3 is in threaded connection with the second lead screw, and therefore the second sliding block 3 can be driven by the second servo motor 19 to slide in the vertical direction under the matching of the second guide rail 16 and the second lead screw. The end face of the second sliding block 3 is transversely provided with a guide rail four 24, the guide rail four 24 is transversely connected with an auxiliary tool rest 5 in a sliding mode, the end face of the second sliding block 3 is further provided with a driving piece five 12 used for driving the main tool rest 4 to transversely slide, the driving piece five 12 comprises a servo motor four 27 arranged on the end face of the second sliding block 3 and a screw rod four 28 connected with an output shaft of the servo motor four 27, the servo motor four 27 can drive the screw rod four to rotate, the auxiliary tool rest 5 is connected to the screw rod four in a threaded mode, and therefore the auxiliary tool rest 5 can be driven by the servo motor four 27 to transversely slide under the matching of the guide rail four 24 and the screw rod four. The above secondary tool rest 5 can slide along the axial direction of the workpiece under the driving of the servo motor two 19, and can slide in the transverse direction close to or far away from the workpiece under the driving of the servo motor four 27, so that the tool on the secondary tool rest 5 can perform turning operation on the workpiece, and the advantage of higher precision is achieved.

The machine frame 1 is also fixedly connected with a first shaft sleeve 21 and a second shaft sleeve 22 respectively on two sides of the main shaft 8, the first shaft sleeve 21 and the first screw rod 18 are arranged oppositely up and down, the end part of the first screw rod 18 far away from the first servo motor 17 is rotatably connected inside the first shaft sleeve 21, the first shaft sleeve 21 can support the first screw rod 18 and enable the first screw rod 18 to rotate more stably, and further enable the first screw rod 18 to control the first sliding block 2 to vertically slide more stably; the second shaft sleeve 22 and the second screw rod 20 are arranged up and down oppositely, the end part, far away from the second servo motor 19, of the second screw rod 20 is rotatably connected inside the second shaft sleeve 22, the second shaft sleeve 22 can support the second screw rod 20, the second screw rod 20 can rotate more stably, and the second screw rod 20 can further control the second sliding block 3 to vertically slide more stably.

The top of the frame 1 is also connected with a tailstock 13 in a sliding manner, the tailstock 13 and the spindle 8 are arranged oppositely from top to bottom, a tailstock peak 14 arranged towards one side of the spindle 8 is arranged on the tailstock 13, the arrangement of the tailstock 13 enables the lathe to turn eccentric shaft workpieces, the tailstock 13 can be used for adjusting the precision of the lathe when the workpieces are clamped on the spindle chuck 9, and the machining precision of the vertical lathe is higher.

Frame 1 is located main shaft 8's both sides and has seted up chip removal hold mouth 29, chip removal hold mouth 29's notch department has the direction inclined plane 30 that is used for guiding iron fillings to get into chip removal hold mouth 29, and run through on the lateral wall of frame 1 and be provided with the automatic chip removal machine installing port 31 that communicates in chip removal hold mouth 29, in the turning operation of lathe, the iron fillings that the turning produced can drop downwards under the influence of gravity and get into chip removal hold mouth 29 via the guide of direction inclined plane 30 in, and the iron fillings of automatic chip removal machine are accepted the end and can be stretched into chip removal hold mouth 29 from automatic chip removal machine installing port 31, so automatic chip removal machine can transport the iron fillings that fall into in the chip removal hold mouth 29 away.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (9)

1. The utility model provides a vertical lathe of double knives tower single main shaft (8), includes frame (1), characterized by: the two sides of the rack (1) are vertically connected with a first sliding block (2) and a second sliding block (3) in a sliding manner, the first sliding block (2) is connected with a main tool rest (4) in a sliding manner, the second sliding block (3) is connected with a second sliding tool rest (5) in a sliding manner, the rack (1) is further provided with a first driving part (6) for controlling the first sliding block (2) to lift and a second driving part (7) for controlling the second sliding block (3) to lift, the bottom of the rack (1) is positioned between the main tool rest (4) and the second sliding tool rest (5) and is rotatably provided with a main shaft (8), the top of the main shaft (8) is provided with a main shaft chuck (9), the rack (1) is further provided with a third driving part (10) for driving the main shaft (8) to rotate, the first sliding block (2) is provided with a fourth driving part (11) for driving the main tool rest (4) to be close to or far away from the axis of the main shaft (8), and a driving piece five (12) used for driving the auxiliary tool rest (5) to be close to or far away from the axis of the main shaft (8) is arranged on the second sliding block (3).

2. A double turret single spindle (8) vertical lathe according to claim 1, characterized in that: the top of the rack (1) is also vertically connected with a tailstock (13) in a sliding manner, the tailstock (13) is opposite to the spindle (8) up and down, and a tailstock tip (14) facing one side of the spindle (8) is arranged on the tailstock (13).

3. A double turret single spindle (8) vertical lathe according to claim 1, characterized in that: frame (1) is located the both sides of main shaft (8) are provided with guide rail one (15) and guide rail two (16) respectively along vertical direction, slider one (2) are followed guide rail one (15) slide, slider two (3) are followed guide rail two (16) slide, driving piece one (6) are including setting up servo motor one (17) at frame (1) top and with lead screw one (18) that the output of servo motor one (17) is connected, slider one (2) threaded connection in lead screw one (18), driving piece two (7) are including setting up servo motor two (19) at frame (1) top and with lead screw two (20) that the output of servo motor two (19) is connected, slider two (3) threaded connection in lead screw two (20).

4. A double turret single spindle (8) vertical lathe according to claim 3, characterized in that: frame (1) is located the both sides of main shaft (8) still are provided with axle sleeve one (21) and axle sleeve two (22) respectively, axle sleeve one (21) with lead screw one (18) are relative from top to bottom, just lead screw one (18) are kept away from the tip card of servo motor one (17) is gone into axle sleeve one (21), axle sleeve two (22) with lead screw two (20) are relative from top to bottom, just lead screw two (20) are kept away from the tip card of servo motor two (19) is gone into axle sleeve two (22).

5. A double turret single spindle (8) vertical lathe according to claim 1, characterized in that: a third guide rail (23) is transversely arranged on the end surface of the first sliding block (2), the main tool rest (4) slides along the third guide rail (23), a fourth guide rail (24) is transversely arranged on the end surface of the second sliding block (3), the auxiliary tool rest (5) slides along the fourth guide rail (24), the driving part IV (11) comprises a servo motor III (25) arranged on the end surface of the sliding block I (2) and a screw rod III (26) connected with the output end of the servo motor III (25), the main tool rest (4) is in threaded connection with the third screw rod (26), the fifth driving piece (12) comprises a fourth servo motor (27) arranged on the end face of the second sliding block (3) and a fourth screw rod (28) connected with the output end of the fourth servo motor (27), and the auxiliary tool rest (5) is in threaded connection with the fourth screw rod (28).

6. A double turret single spindle (8) vertical lathe according to claim 1, characterized in that: the bottom of frame (1) is located chip removal hold opening (29) have been seted up to the both sides of main shaft (8), the notch department of chip removal hold opening (29) has and is used for guiding iron fillings to get into guide inclined plane (30) of chip removal hold opening (29).

7. A double turret single spindle (8) vertical lathe according to claim 6, characterized in that: run through on the lateral wall of frame (1) be provided with communicate in automatic chip removal machine installing port (31) of chip removal holding port (29), automatic chip removal machine certainly automatic chip removal machine installing port (31) stretch into chip removal holding port (29).

8. A double turret single spindle (8) vertical lathe according to claim 1, characterized in that: the bottom of frame (1) is provided with installation pipe (32), main shaft (8) fixed connection be in installation pipe (32).

9. A double turret single spindle (8) vertical lathe according to claim 8, characterized in that: a plurality of reinforcing ribs (33) are circumferentially arranged between the rack (1) and the side wall of the mounting pipe (32).

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