CN115041966A - Duplex machining cutter set - Google Patents

Abstract

The invention discloses a duplex machining cutter set, which comprises a cutter tower and a cutter rest, wherein the cutter tower and the cutter rest are respectively and movably positioned on different sides of a main shaft of a machine tool, and the cutter tower and the cutter rest are arranged in parallel; the tool turret and the tool rest can move together along the Z direction of the machine tool and can respectively move in the radial direction relative to the main shaft of the machine tool. The problems that when the slender rod is turned, the cutter is easy to vibrate, the turning deformation is easy to occur when the slender rod is turned, and the efficiency is low are solved. Double-drive double-cutter turning, and the problem of vibration force and turning deformation is solved by turning the slender shaft in a bidirectional and simultaneous mode, so that the efficiency is improved.

Description

Duplex machining cutter set

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a duplex machining cutter set.

Background

The existing machine tool can finish one process of turning various existing parts, and when square milling and turning are required to be finished, the process needs to be finished on another machine tool, so that a plurality of machine tools need to be arranged for finishing the milling, square milling and turning. This just needs to arrange many lathe, occupy great area, input more and the fund, consequently for solving a tractor can not multi-purpose problem, the lathe structure that prior art adopted, can accomplish the car round pin on a lathe, the structure of the multichannel processing procedure of milling side is more complicated, can't use on the digit control machine tool simultaneously, cause the machining enterprise when using digit control machine tool car spare part, still need to accomplish the multichannel processing procedure on other lathes, especially when the turning adds the slender rod, the easy problem that shakes sword and turning warp appears when the turning adds the slender rod, and inefficiency.

Disclosure of Invention

In order to solve the technical problem, the invention provides a duplex machining tool set which is characterized by comprising a tool turret and a tool rest, wherein the tool turret and the tool rest are respectively and movably positioned on different sides of a machine tool spindle, and the tool turret and the tool rest are arranged in parallel; the tool turret and the tool rest can move together along the Z direction of the machine tool and can respectively move in the radial direction relative to the main shaft of the machine tool.

Furthermore, the duplex machining tool set is located on a first feeding mechanism of the machine tool, the first feeding mechanism comprises a first Z-direction sliding plate which is arranged on a Z-direction sliding rail of the machine tool and is in sliding connection with the Z-direction sliding rail of the machine tool, a first X-direction sliding rail is arranged on the first Z-direction sliding plate, two first X-direction sliding plates are arranged on the first X-direction sliding rail, and the tool turret and the tool rest are respectively located on the two first X-direction sliding plates.

Furthermore, the first Z-direction sliding plate drives the first Z-direction screw rod to move along the Z direction through a first Z-direction motor arranged on the lathe bed, and the two X-direction sliding plates drive the two X-direction screw rods to move along the X direction respectively through two X-direction motors arranged at two ends of the first Z-direction sliding plate.

Further, the tool rest comprises a tool disc and a tool rest fixing device, and the tool rest fixing device comprises a servo motor and a mechanical device.

Furthermore, a plurality of turning tools are arranged on the cutter head in a circumferential array mode.

Furthermore, the mechanical device comprises a positioning ring, the positioning ring is fixedly connected with the cutter head, a positioning notch is formed in the positioning ring, and a side face of the notch is processed into a beveling positioning face.

Furthermore, the mechanical device further comprises a locking block, the locking block main body is a cuboid, and one edge of the front portion of the cuboid lacks a part to form a positioning notch of the beveling plane and is matched with the positioning surface of the notch.

Furthermore, a reinforcing block is arranged beside the locking block.

Furthermore, the locking block is connected with the cylinder, and the cylinder drives the locking block to move forward and backward between the positioning notches of the positioning ring, so that the locking block is interfered with and separated from the positioning ring.

Has the beneficial effects that:

1. the double-drive double-tool turning is adopted, the slender shaft is turned and processed in a bidirectional and simultaneous mode, the problems of vibration force and turning deformation are solved, the front and rear tool towers and the tool rest are turned simultaneously to offset radial stress, so that the vibration tool is avoided, and the simultaneous turning of the front and rear tool towers and the tool rest is twice the efficiency of a single-tool tower crane;

2. the tool turret and the tool rest are positioned on different X-direction sliding plates, and can be independently controlled, so that the automation level is improved;

3. the tool turret and the tool rest are positioned on the same Z-direction sliding plate, so that the operation precision of the two X-direction sliding plates is improved, and the machining precision of the machine tool is improved;

4. the tool rest can rotate and also can be positioned, so that the square milling and turning can be realized on the same numerical control machine tool, and the multipurpose of one machine is realized.

Drawings

FIG. 1 is a schematic structural diagram of a double-spindle double-station numerical control machine tool;

FIG. 2 is a schematic structural diagram of a double-spindle double-station numerical control machine tool secondary processing structure;

FIG. 3 is a side view of a duplex tool set;

FIG. 4 is a schematic structural diagram of a bin and a smooth tilting table of a workpiece feeding device of a machine tool;

FIG. 5 is a schematic structural view of a workpiece blanking device of a machine tool;

FIG. 6 is a schematic view of the tool holder mounting arrangement;

FIG. 7 is a schematic view of the mechanism of the tool holder fixing device;

fig. 8 is a schematic structural diagram of a locking block in the mechanical device.

Wherein, 1, a first-order spindle, 101, a first-order spindle motor, 2, a second-order spindle, 201, a second-order spindle motor, 3, a second feeding mechanism, 301, a second Z-axis motor, 302, a second X-axis motor, 4, a first feeding mechanism, 401, a first Z-axis motor, 402, a first left X-direction motor, 403, a first right X-direction motor, 404, a first X-direction slide rail, 5, a cutter tower, 6, a cutter rest, 7, a machine tool Z-direction slide rail, 8, a bin, 801, a limiting plate, 9, a material conveying part, 901, a conveying slide rail, 902, a conveying motor, 10, a discharging part, 101, a vertical cylinder, 102, a sliding block, 103, a mechanical claw, 11, a slide rail, 12, a smooth tilting table, a tilting table limiting plate, 13, a positioning plate, 14, a position switch, 15, a material lifting cross bar, 16, a material supporting plate, 17, a cutter head, 18, 1801, a positioning notch, 19. the locking device comprises a locking block 1901, a positioning notch 20, a servo motor 21, a locking cylinder 22 and a reinforcing block.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-8, in order to solve the above technical problem, the present invention provides a duplex machining tool set, which is characterized in that the tool set comprises a turret 5 and a tool rest 6, the turret 5 and the tool rest 6 are respectively movably located on different sides of a machine tool spindle, and the turret 5 and the tool rest 6 are arranged in parallel; the turret 5 and the tool post 6 are movable together in the Z direction of the machine tool and are each movable radially relative to the machine tool spindle.

Further, the duplex machining tool set is located on a first feeding mechanism 3 of the machine tool, the first feeding mechanism 3 includes a first Z-direction sliding plate which is arranged on a Z-direction sliding rail 7 of the machine tool and is in sliding connection with the machine tool, a first X-direction sliding rail 404 is arranged on the first Z-direction sliding plate, two first X-direction sliding plates are arranged on the first X-direction sliding rail 404, and the tool tower 5 and the tool rest 6 are respectively located on the two first X-direction sliding plates.

Furthermore, the first Z-direction sliding plate drives the first Z-direction screw rod to move along the Z direction through a first Z-axis motor 401 arranged on the bed, and the two X-direction sliding plates drive the two X-direction screw rods to move along the X direction respectively through two X-direction motors arranged at two ends of the first Z-direction sliding plate.

Further, the tool rest 6 comprises a tool pan 17 and a tool rest fixing device, and the tool rest fixing device comprises a servo motor 20 and a mechanical device.

Furthermore, a plurality of turning tools are arranged on the cutter head 17 in a circumferential array.

Further, the mechanical device comprises a positioning ring 18, the positioning ring 18 is fixedly connected with the cutter head 17, a positioning notch 1801 is formed in the positioning ring 18, and a side face of the positioning notch 1801 is processed into a positioning face which is obliquely cut.

Further, the mechanical device further comprises a locking block 19, the main body of the locking block 19 is a cuboid, and a part of an edge of the front part of the cuboid lacks to form a positioning notch 1901 of a beveled plane, and is matched with a positioning surface of the positioning notch 1801.

Further, a reinforcing block 22 is arranged beside the locking block 19.

Further, the locking block 19 is connected with an air cylinder, and the air cylinder drives the locking block 19 to move forward and backward between the positioning notches 1801 of the positioning ring 18, so that the locking block 19 and the positioning ring 18 are interfered and separated.

The invention provides a double-spindle double-station numerical control machine tool which comprises a machine tool and a numerical control system, wherein a first-order clamping mechanism and a second-order clamping mechanism are arranged on the machine tool, the first-order clamping mechanism and the second-order clamping mechanism are arranged oppositely, and the axis of the first-order clamping mechanism and the axis of the second-order clamping mechanism are coaxially arranged;

the second-order clamping mechanism is connected with a second feeding mechanism 3;

the first-order clamping mechanism comprises a first-order spindle 1 with power, the second-order clamping mechanism comprises a second-order spindle 2 with power, and the second feeding mechanism 3 comprises a second z-axis motor 301.

Further, the second feeding mechanism 3 comprises a second Z-direction sliding plate arranged on the Z-direction slide rail 7 of the machine tool and connected in a sliding manner, and a second Z-direction lead screw arranged on the machine tool body in the Z direction, and the second Z-direction sliding plate is driven by the second Z-axis motor 301 to move; the clamping mechanism comprises a first Z-direction sliding plate, a first X-direction lead screw, a first X-direction shaft motor 302 and a second X-direction sliding plate, and is characterized by further comprising a second X-direction sliding plate arranged on the second Z-direction sliding plate, a second X-direction lead screw arranged on the second Z-direction sliding plate in the X direction and a second X-axis shaft motor 302 driving the second X-direction sliding plate to move, wherein the second X-direction sliding plate is fixedly arranged on the second Z-direction sliding plate.

Further, a double-cutter set is arranged between the two-procedure clamping mechanism and the one-procedure clamping mechanism, double cutters are arranged in the double-cutter set, and the double cutters comprise a cutter tower 5 and a cutter rest 6 which are respectively positioned on two sides of the axis of the first clamping mechanism and the axis of the second clamping mechanism.

The first-order clamping mechanism is fixed on a machine tool body, the first-order main shaft 1 is a main shaft middle feeding device, the material rods are conveyed to the first-order main shaft 1 through the feeding mechanism to be clamped, and then the duplex double-cutter group performs first-order processing on the material rods.

After the first-order machining is completed, the second feeding mechanism 3 drives the second-order clamping mechanism to move towards the direction close to the first-order main shaft 1 along a machine tool Z-direction sliding rail 7 through the second Z-axis motor 301, the second-order main shaft 2 of the second-order clamping mechanism clamps the material rod in the first-order main shaft 1, the first-order main shaft 1 is loosened, the second feeding mechanism 3 drives the second-order clamping mechanism and the material rod to retreat after the material rod is clamped by the second-order main shaft 2, the second feeding mechanism 3 is fixed and fixed at a proper position, the first-order clamping mechanism clamps the material rod again, at the moment, the rotating speeds of the first-order main shaft 1 and the second-order main shaft 2 are the same, the axes of the first-order main shaft 1 and the second-order main shaft 2 are coaxially arranged, and then the double-cutter group performs second-order machining on the material rod. Through the mode of duplex position and two main shaft processing, transmit the material stick to two preface clamping machine construct by a preface clamping machine structure, the condition that collision or work piece dropped can not appear, when improving machining efficiency, has guaranteed processingquality. The second-order clamping mechanism is equivalent to a manipulator when the first-order clamping mechanism is transferred to the second-order clamping mechanism, and is used for clamping the material rods; the two-sequence clamping mechanism has the functions of a main shaft and a tailstock during two-sequence processing, and achieves multiple purposes.

After the second-order machining is completed, the material rod is loosened by the first-order main shaft 1, the material rod is clamped by the second-order main shaft 2, and the second feeding mechanism 3 drives the second-order main shaft 2 and the material rod to move along the Z-direction slide rail 7 of the machine tool in the direction away from the first-order main shaft 1, so that the material pulling function is realized.

The double-tool machining tool set is arranged in the machine tool, the tool set comprises a tool turret and a tool rest, the tool turret and the tool rest are respectively and movably positioned on different sides of a main shaft of the machine tool, and the tool turret and the tool rest are oppositely arranged; the tool turret and the tool rest can move together along the Z direction of the machine tool and can respectively move in the radial direction relative to the main shaft of the machine tool.

The duplex machining tool set comprises a turret 5 and a tool rest 6, wherein the turret 5 and the tool rest 6 are respectively positioned on different sides of double main shafts of the machine tool, namely the turret 5 is positioned on the right side of the main shaft, the tool rest 6 is positioned on the left side of the main shaft, or the turret 5 can be positioned on the left side of the main shaft, and the tool rest 6 is positioned on the right side of the main shaft. For easy expression of distinction, a turret 5 is arranged on the left, a tool rest 6 is arranged on the right, the turret 5 and the tool rest 6 are arranged oppositely, the duplex machining tool set is positioned on a first feeding mechanism 4, and the first feeding mechanism 4 comprises a first Z-direction sliding plate which is arranged on a Z-direction sliding rail 7 of the machine tool and is in sliding connection with the machine tool, a first Z-direction lead screw which is arranged on the machine tool body in the Z direction, and a first Z-axis motor 401 for driving the first Z-direction sliding plate to move.

The first feeding mechanism 4 further includes a first X-direction sliding plate disposed on the first Z-direction sliding plate and slidably connected to the first X-direction sliding rail 404, and the first X-direction sliding plate includes two first left X-direction sliding plates and two first right X-direction sliding plates. The cutter tower 5 is located on a first left X-direction sliding plate, the cutter frame 6 is located on a first right X-direction sliding plate, the first left X-direction sliding plate and the first right X-direction sliding plate drive two X-direction screw rods to move left and right along X directions through two X-direction motors arranged at two ends of the Z-direction sliding plate respectively, the first left X-direction sliding plate drives the first X-direction screw rod to move left and right along the first X direction through the first left X-direction motor 402, and the first right X-direction sliding plate drives the first X-direction screw rod to move left and right along the first X direction through the first right X-direction motor 403.

It is feasible that either the turret 5 or the tool holder 6 is located on the left side of the spindle, and the other is located on the right side of the spindle, i.e. the turret 5 may be located on the first left X-direction sliding plate, and the tool holder 6 is located on the first right X-direction sliding plate, and similarly, the turret 5 may be located on the first right X-direction sliding plate, and the tool holder 6 may be located on the first left X-direction sliding plate.

The turret 5 is a common turret in the field of machine tools, and can be set by a person skilled in the art according to the prior art.

Four turning tools are arranged on a cutter head 17 arranged on the cutter frame 6, and the cutter head 17 can turn and mill through a rotatable and positionable positioning cutter frame.

The material rod can be clamped by the two X-direction sliding plates in the two-sequence clamping mechanism, and when the material is pulled out, the processing cutter set moves in the direction away from the axis respectively, so that the collision between the cutter set and the spindle is avoided, and the cutter collision accident is avoided. And set up two X to the slide and dispose two X to the motor and control sword tower and knife rest along the removal of X to respectively, can select to use sword tower or knife rest to process the material bar, avoided the collision of sword tower and knife rest. Through the drive of two X to slide and two X to the motor, the turret 5 with knife rest 6 can also carry out the turning to slender axles simultaneously, offsets radial atress and avoids shaking the sword, avoids the problem of turning deformation, and the machining efficiency of double knives turning is high simultaneously.

Through being provided with first Z to the slide, can adjust the relative position of knife tackle and charge bar, process the charge bar.

The internal structure of the tool turret in the duplex machining tool set adopts a motor in a conventional machine tool to drive the tool turret 5 to change tools, machine material rods and the like.

Through setting up duplex processing knife tackle, the setting of two main shaft duplex positions of cooperation has realized processing at the both ends of a material stick, processing in the past is the one end that has processed the material stick after having processed one end again the centre gripping (holding) chuck, mode through manual work or manipulator or set up mode such as exchange device and realize, and the function of the manipulator of two preface main shafts can directly be used to this device, the position of cooperation duplex processing knife tackle can carry out the change adjustment all around and realize the processing to the material stick both ends, the unnecessary setting of part has been reduced in the processing, the machine tool space has been practiced thrift, and efficiency is improved, and the reduction is artifical.

The duplex processing cutter set can also be used for drilling, tapping and turning and milling.

The duplex machining tool set and the two-sequence main shaft share one machine tool Z-axis slide rail, so that the overall machining precision of the machine tool is improved, the requirement of the machine tool on the length of a workpiece is reduced, and the machining range of the machine tool is enlarged.

The tool rest 6 comprises a cutter disc 17, an independent power milling shaft and a positioning device of the tool rest 6, and can realize positioning of a turning tool and rotary square milling. The function conversion of the turning tool positioning and the rotary milling is realized through the positioning device of the tool rest 6. The positioning device of the tool post 6 is realized by the precise positioning of the servo motor 20 and the positioning of the mechanical device.

The mechanical device of the positioning device comprises a positioning ring 18, the positioning ring 18 is fixedly connected with the cutter head 17, and the cutter head 17 is fixed through screws. The positioning ring 18 is provided with a positioning notch 1801, a top view of the positioning notch 1801 is a right trapezoid, and one side surface of the positioning notch 1801 is processed into a chamfered positioning surface.

The two positioning notches 1801 are symmetrically arranged and located at the outer circumference of the positioning ring 18.

The mechanical device of the positioning device further comprises a locking block 19, the locking block 19 is a cuboid, one edge of the front portion of the cuboid is missing, a part of the edge is formed into a positioning notch 1901 of a beveling plane, the positioning notch 1801 is matched with a positioning surface, a positioning block capable of being inserted into the positioning notch 1801 is arranged on the front portion of the cuboid, and the top view of the positioning block is a right trapezoid identical to that of the positioning notch 1801.

The locking block 19 is connected with a power device such as an air cylinder or a hydraulic cylinder, and the power device drives the locking block 19 and the positioning ring 18 to be in relative position. In cylinder or hydraulic cylinder drive the anterior locating piece of latch segment extended the location notch 1801 of holding ring before, latch segment 19 interfered with holding ring 18, and is dead with cutter head 17 is fixed, the lathe work to the charge bar can be realized to knife rest 6.

Through power devices such as air cylinders or hydraulic cylinders, the positioning block which drives the front part of the locking block 19 is separated from the positioning notch, the cutter head 17 and the positioning ring 18 can rotate under the driving of the servo motor 20, the cutter frame realizes the square milling processing of the material rod, the cutter head 17 is circular, 2, 4 and 6 cutters are arranged on the cutter head 17 in the circumferential radial array mode, even multiple cutters are arranged in the circumferential array mode according to needs, and the processing of three parts, four parts, six parts and even multiple parts can be realized.

Through setting up the beveled locating surface in the locating notch 1801 department of holding ring 18 and setting up beveled location breach 1901 at the locating piece of latch segment 19, can prevent the card when fixing for holding ring 18 and latch segment 19 break away from smoothly, guarantee positioner's location and the smooth and easy of rotation function conversion.

The positioning device further comprises a servo motor 20, so that accurate positioning is realized, and the position of the positioning notch 1801 of the positioning ring 18 can be controlled to rotate to a position aligned with the position of the locking block 19.

The independent power milling shaft comprises the servo motor 20, the servo motor 20 can be connected with a coupler or a synchronous belt to drive an independent shaft to rotate, and the independent shaft drives the cutter disc 17 to rotate, so that the material rod is processed.

The locking block 19 is provided with a reinforcing block 22 beside, so that the locking function of the locking block 19 on the positioning ring 18 can be enhanced, the breakthrough of the relative action of a cutter on the workpiece during machining to the positioning ring 18 and the locking block 19 is prevented, the rigidity and the repeated positioning precision can be increased by increasing the design of the reinforcing block, and the impact force caused by cutting is overcome.

The automatic loading and unloading device is arranged on the same side of a machine tool and is positioned behind a main spindle of the machine tool, and the main spindle of the machine tool is a two-sequence spindle 2.

The feeding device comprises a bin 8 and a slideway 11, wherein a groove is formed in the slideway 11 and is matched with the shape of the cylindrical material rod; the bin 8 is lower than the slideway 11, a smooth inclined table 12 is arranged between the bin 8 and the slideway 11, the upper surface of the smooth inclined table 12 is inclined upwards from the direction close to the slideway 11 to the direction far away from the slideway 11, and the lowest part of the table surface of the smooth inclined table 12 is flush with the upper edge of the slideway 11; the outlet of the bin 8 is lower than the highest position of the surface of the smooth inclined table 12;

the two sides of the smooth inclined table 12 are provided with inclined table limiting plates 1201, the two sides of the bin 8 are provided with bin limiting plates 801, the inclined table limiting plates 1201 and the bin limiting plates 801 can adapt the length of the material rod with the smooth inclined table 12 and the length of the bin 8, and the bin 8 can be enabled to be smoothly discharged and sent out to the slide 11 in sequence.

8 length of feed bin and charge bar length adaptation, inside are the slope setting, and 8 exports in the feed bin are located the slope bottom, and 8 exports the below in feed bin flushes and is provided with the activity and lifts material horizontal pole 15, lifts material horizontal pole 15 and can lift the charge bar to the highest point of smooth sloping platform 12 under the power effect, and the charge bar slides to the slide recess along smooth sloping platform 12 in.

And an ejector rod is movably arranged on the slide way 11 and pushes the material rods to move in the direction of the primary shaft in the groove. The ejector rod can be pushed by an air cylinder.

The first-order main shaft adopts a main shaft middle feeding device. The feeding device in the middle of the main shaft is a patent with the patent application number of 2019223805291, and the specific content is as follows: a feeding device in the middle of a main shaft comprises a feeding device and a storage processing main shaft, wherein the feeding device is abutted against the storage processing main shaft; the material storage machining spindle is characterized in that a feeding pipe, a clamping device and a one-way positioning guide device are arranged inside the material storage machining spindle, the one-way positioning guide device is arranged on the inner side of a feeding hole of the feeding pipe and used for preventing machining materials in the feeding pipe from falling out, the clamping device is arranged on the outer side of the feeding pipe and comprises a hydraulic oil cylinder and a clamp, the clamp is arranged on the outer side of an outlet of the feeding pipe, and the clamp is connected with the hydraulic oil cylinder through a tensioning device.

A positioning plate 13 is arranged behind the slideway 11. And a spring is arranged on the positioning plate 13. The ejector rod is also provided with a position switch 14. The position switch of the ejector rod reaches the position of the positioning plate 13, the ejector rod is fixed through the positioning plate 13, and the position switch 14 sends a signal to the numerical control system to control the primary shaft 1 to clamp the material rod. And withdrawing the ejector rod after the material rod is clamped, and waiting for the propelling work of the next material rod.

The blanking device comprises a discharging part 10 and a material conveying part 9, wherein the discharging part 10 comprises a mechanical claw 103, the mechanical claw 103 is connected with a vertical cylinder 101, the mechanical claw 103 is driven by a servo motor 20 to grab a material rod for discharging, and the vertical cylinder 101 is fixedly connected to a sliding block 102;

the material conveying part 9 comprises a conveying track 901 and a material supporting plate 16, the conveying track 901 is movably connected with a sliding block 102 of the discharging part 10, the sliding block 102 is connected with the conveying track 901 in a sliding mode, a conveying screw rod and a conveying motor are arranged on the conveying track 901, the sliding block is driven by the conveying screw rod and the conveying motor to slide on the conveying track 901, therefore, the discharging part 10 moves on the conveying part 9 integrally, a material rod moves to the position above the material supporting plate 16, a mechanical claw is loosened, and the material rod falls off the material supporting plate 16.

The conveying track 901 of the blanking device is positioned above the loading device slideway 11, and the blanking direction of the material rod driven by the conveying part 9 is opposite to the loading direction of the loading device ejector rod during unloading.

The retainer plate 16 is provided with a power source, the power source on the retainer plate 16 can adopt a belt conveyor belt or a combination mode of gear transmission and a motor, and the like, and the prior art is adopted here, so that technical personnel in the technical field can select the power source according to the situation. Along with the increase of the material rods, the surface of the material supporting plate moves, so that the material rods are driven to leave positions right below the conveying roller path, and a space is made for new material rods.

Generally, a feeding and discharging device is usually positioned on different sides of a machine tool, generally, feeding is performed on the rear portion of a main spindle of the machine tool, discharging is performed on the front portion of the main spindle of the machine tool, the length of a large machine tool is about 3 meters approximately, the distance interval between feeding and discharging is very far, manual work is needed to follow up at the feeding end and the discharging end, and if multiple machines are looked after simultaneously, the workload is increased. Through setting up lathe unloader in lathe one side, material loading and unloading are all at the back of lathe main shaft, have realized the feeding and the unloading of going out after the back, and feeding and unloading are in same position, save the manual work, and good observation, trouble can in time be discover.

The working space of the feeding and discharging device and the processing space of the double main shaft double stations of the machine tool are overlapped and contracted, so that the labor can be saved.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims (9)

1. A duplex machining tool set is characterized in that the tool set comprises a tool turret and a tool rest, the tool turret and the tool rest are respectively and movably located on different sides of a machine tool spindle, and the tool turret and the tool rest are arranged in parallel; the tool turret and the tool rest can move together along the Z direction of the machine tool and can respectively move in the radial direction relative to the main shaft of the machine tool.

2. The duplex machining tool set according to claim 1, wherein the duplex machining tool set is located on a first feeding mechanism of the machine tool, the first feeding mechanism comprises a first Z-direction sliding plate which is arranged on a Z-direction sliding rail of the machine tool and slidably connected with the Z-direction sliding rail, a first X-direction sliding rail is arranged on the first Z-direction sliding plate, two first X-direction sliding plates are arranged on the first X-direction sliding rail, and the tool turret and the tool rest are respectively located on the two first X-direction sliding plates.

3. The duplex machining tool set according to claim 1, wherein the first Z-direction slide plate drives the first Z-direction screw rod to move in the Z-direction by a first Z-direction motor disposed on the machine body, and the two X-direction slide plates drive the two X-direction screw rods to move in the X-direction by two X-direction motors disposed at two ends of the first Z-direction slide plate respectively.

4. The duplex machining tool set of claim 1 wherein the tool post includes a tool head and a tool post fixture, the tool post fixture including a servo motor and a mechanical device.

5. The duplex machining tool set of claim 4 wherein a plurality of turning tools are circumferentially arrayed on the cutter head.

6. The duplex machining tool set of claim 4 wherein the mechanical means includes a retaining ring, the retaining ring is fixedly connected to the cutter head, the retaining ring has a retaining notch, and a side of the notch is formed as a beveled retaining surface.

7. The duplex machining tool set of claim 6, wherein the mechanical device further comprises a locking block, the locking block body is a cuboid, and a part of an edge of the front portion of the cuboid lacks to form a positioning notch of the beveled plane and is matched with the positioning surface of the notch.

8. The duplex machining tool set of claim 7 wherein a reinforcing block is disposed adjacent the locking block.

9. The duplex machining tool set according to claim 7 or 8, wherein the locking block is connected to a cylinder, and the cylinder drives the locking block to move forward and backward between the positioning notches of the positioning ring, so that the locking block is interfered with and separated from the positioning ring.

Images