CN210147469U

CN210147469U - High-precision numerical control lathe

Info

Publication number: CN210147469U
Application number: CN201920718973.7U
Authority: CN
Inventors: 刘细文; 何桂景; 何俊桦
Original assignee: Guangdong Yangshan United Precision Manufacturing Co ltd
Current assignee: Guangdong Yangshan United Precision Manufacturing Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-03-17
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a high-precision numerical control lathe, which comprises a lathe bed, a main shaft, an X-direction adjusting component and a rotating motor, wherein the main shaft is arranged on the lathe bed through the X-direction adjusting component, so that the main shaft can move along the X-axis direction of the lathe bed, and an output shaft of the rotating motor is connected with the main shaft in a transmission way and is used for driving the main shaft to rotate; the lathe is characterized by further comprising a tool post, a Z-direction adjusting component, a tool apron, a tool, a pull rod, a clamp and an oil cylinder, wherein the tool post is arranged on the lathe bed through the Z-direction adjusting component, so that the spindle can move along the Z-axis direction of the lathe bed, the tool apron is arranged on the tool post, and the tool is arranged on the tool apron; the main shaft is provided with an inner hole, the pull rod penetrates through the inner hole, one end of the main shaft, which is close to the tool apron, is provided with a clamp, the clamp is used for fixing a workpiece, the oil cylinder is arranged at one end of the main shaft, which is far away from the tool apron, and the oil cylinder is connected with the pull rod and is used for providing power for the pull rod to move towards the direction close to or far away from the clamp, so that the; still include feed mechanism and unloading mechanism. The utility model discloses can improve the precision and the reduce cost of processing.

Description

High-precision numerical control lathe

Technical Field

The utility model relates to a numerical control lathe technique especially relates to high accuracy numerical control lathe.

Background

The existing numerical control lathe has low automation degree and needs to be equipped with advanced technical workers, so that the cost is too high. In addition, when the existing numerical control lathe is used for producing and machining shaft sleeve type and short shaft type workpieces, the time is long, the equipment is seriously abraded due to the machining, the precision is difficult to guarantee, time and labor are wasted, and the equipment is lost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a high-precision numerical control lathe which can be favorable for improving the machining precision and reducing the cost.

The purpose of the utility model is realized by adopting the following technical scheme:

the high-precision numerical control lathe comprises a lathe body, a main shaft, an X-direction adjusting assembly and a rotating motor, wherein the main shaft is arranged on the lathe body through the X-direction adjusting assembly and can move along the X-axis direction of the lathe body, and an output shaft of the rotating motor is in transmission connection with the main shaft and is used for driving the main shaft to rotate;

the lathe is characterized by further comprising a tool post, a Z-direction adjusting component, a tool apron, a tool, a pull rod, a clamp and an oil cylinder, wherein the tool post is arranged on the lathe bed through the Z-direction adjusting component, so that the spindle can move along the Z-axis direction of the lathe bed, the tool apron is arranged on the tool post, and the tool is arranged on the tool apron; the main shaft is provided with an inner hole, the pull rod penetrates through the inner hole, a clamp is arranged at one end, close to the tool apron, of the main shaft, the clamp is used for fixing a workpiece, the oil cylinder is arranged at one end, far away from the tool apron, of the main shaft, and the oil cylinder is connected with the pull rod and used for providing power for the pull rod to move towards the direction close to or far away from the clamp, so that the clamp loosens or clamps the workpiece;

the automatic feeding device is characterized by further comprising a feeding mechanism and a discharging mechanism, wherein the feeding mechanism and the discharging mechanism are respectively arranged on two sides of the lathe body, the feeding mechanism and the discharging mechanism respectively comprise a support, a material conveying sliding rail and a feeding device, the supports are respectively arranged on two sides of the lathe body, the material conveying sliding rail is fixed on the support, the material conveying sliding rail is parallel to the X-axis direction of the lathe body, the feeding device is in sliding connection with the material conveying sliding rail, and the feeding device can move along the material conveying sliding rail to convey workpieces.

Furthermore, the X-direction adjusting assembly comprises an X-direction guide rail pair, an X-direction sliding plate, an X-direction driving motor and an X-direction ball screw pair, the X-direction guide rail pair is fixedly connected with the lathe bed, the X-direction sliding plate is located on the X-direction guide rail pair and is in sliding connection with the X-direction guide rail pair, a spindle box is arranged on the X-direction sliding plate, the spindle is installed in the spindle box, the rotating motor is fixed on the spindle box, the X-direction driving motor is connected with the X-direction sliding plate through the X-direction ball screw pair, and the X-direction driving motor provides power for the rotation of the X-direction ball screw pair so that the X-direction sliding plate moves along the extending direction of the X.

Furthermore, the Z-direction adjusting assembly comprises a Z-direction guide rail pair, a Z-direction sliding plate, a Z-direction driving motor and a Z-direction ball screw pair, the Z-direction guide rail pair and the X-direction guide rail pair are arranged perpendicular to each other, the Z-direction guide rail pair is fixedly connected with the bed body, the Z-direction sliding plate is positioned on the Z-direction guide rail pair and is in sliding connection with the Z-direction guide rail pair, the tool post is fixed on the Z-direction sliding plate, the Z-direction driving motor is connected with the Z-direction sliding plate through the Z-direction ball screw pair, and the Z-direction driving motor provides power for rotating the Z-direction ball screw pair to enable the Z-direction sliding plate to move along the extending direction of the Z-direction.

Further, the clamp comprises a connecting disc, a connecting sleeve, an expansion core, an expansion sleeve, a limiting disc and a positioning ring, the connecting disc is sleeved on the main shaft, a mounting hole is formed in the connecting disc, the connecting sleeve is embedded in the mounting hole, a plurality of bosses are arranged on the connecting sleeve, a plurality of clamping grooves are formed in the expansion core, the bosses penetrate through the clamping grooves, the bosses are in threaded connection with the expansion sleeve, threaded connecting holes are formed in the bosses, connecting screws are inserted in the expansion sleeve and penetrate through the threaded connecting holes, the connecting screws are in threaded connection with the threaded connecting holes, an opening-closing part is arranged on the expansion sleeve, limiting through holes are formed in the limiting disc and the positioning ring, the opening-closing part penetrates through the limiting through holes, the limiting disc and the positioning ring are sequentially sleeved on the opening-closing part, and the limiting disc is fixedly connected with the expansion core, the positioning ring is fixedly connected with the limiting disc;

the opening and closing part comprises a plurality of opening and closing plates, the expansion sleeve is provided with a movable through hole, the opening and closing plates are circumferentially arranged around the movable through hole, one end of each opening and closing plate is fixed on the expansion sleeve, and the other end of each opening and closing plate penetrates through the limiting through hole;

a threaded through hole is formed in the connecting sleeve and is communicated with the inner hole, a threaded part is arranged at one end of the pull rod and penetrates through the threaded through hole, the threaded part is in threaded connection with the threaded through hole, a push rod is arranged on the expansion core, the movable through hole is matched with the push rod, and the push rod penetrates through the movable through hole to enable the push rod to be in movable contact with the opening and closing plate;

the ejector rod is in a step shape from a connecting part close to the core expanding end to an extruding part far away from the core expanding end, the outer diameter size of the ejector rod is gradually reduced, and the ejector rod is in a forward conical structure; the pull rod moves towards the direction far away from the expansion core, the pull rod drives the connecting sleeves to move synchronously, the connecting sleeves drive the bosses to move synchronously, the bosses drive the expansion sleeves to move synchronously, the expansion sleeves move towards the direction close to the expansion core, the movable through holes move towards the direction close to the connecting parts, and the ejector rods penetrate through the movable through holes to enable the opening and closing plates to be opened towards the outer sides of the movable through holes under the stress so as to clamp the workpiece; the pull rod moves towards the direction close to the expansion core, the pull rod drives the connecting sleeves to move synchronously, the connecting sleeves drive the bosses to move synchronously, the bosses drive the expansion sleeves to move synchronously, the expansion sleeves move towards the direction far away from the expansion core, the movable through holes move towards the direction far away from the connecting parts, and the opening and closing plates are folded towards the inner sides of the movable through holes to loosen workpieces.

Further, material feeding unit is including removing cylinder, telescopic cylinder and centre gripping cylinder, it is parallel with the X axle direction of lathe bed to remove the cylinder, remove the transmission connection between cylinder and the telescopic cylinder, telescopic cylinder is close to and is equipped with the centre gripping cylinder on the one side of anchor clamps, the centre gripping cylinder is used for fixed work piece.

The lathe bed is fixed on the base, the support is fixedly connected with the base, and the protective cover is arranged on the base and covers the lathe bed.

Further, be equipped with the garbage collection mouth on the base, the garbage collection mouth is located the vice below of Z guide rail, be formed with the garbage collection passageway in the base, the garbage collection passageway communicates with the garbage collection mouth, still be equipped with the holding recess on the base, be equipped with the garbage collection basin in the holding recess, the garbage collection basin is located the garbage collection passageway below, the garbage collection basin is used for collecting the waste material of following the exhaust of garbage collection passageway.

Further, be equipped with cooling water pump on the garbage collection basin, cooling water is carried to cutter, work piece to cooling water pump's output tube, it is right cutter, work piece cool off, and the coolant liquid warp the garbage collection basin falls after the garbage collection mouth gets into the garbage collection passageway, the garbage collection basin is collected the coolant liquid, cooling water pump's input tube is inputed the coolant liquid in the garbage collection basin in the pump body of cooling water pump.

Further, still include the hydraulic pressure station, the hydraulic pressure station includes hydraulic motor, blade variable pump and solenoid valve, hydraulic motor's output and blade variable pump are connected, blade variable pump carries hydraulic oil for the hydro-cylinder, the solenoid valve is located between blade variable pump and the hydro-cylinder, the solenoid valve is used for making hydraulic pressure oil circuit forward or reverse flow in the hydro-cylinder, makes the hydro-cylinder piston is done and is stretched out or retract the action of contracting, the hydro-cylinder piston drives pull rod synchronous motion makes the pull rod is toward being close to or keeping away from the core direction that rises and remove.

The lubricating system comprises a lubricating pump and an oil distributor, the lubricating pump is connected with the X-direction guide rail pair, the X-direction ball screw pair, the Z-direction guide rail pair and the Z-direction ball screw pair through lubricating oil pipes respectively, and the oil distributor is arranged on the lubricating oil pipes.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through X to adjustment assembly and Z to adjustment assembly for work piece and cutter can move on the lathe bed respectively, so that carry out accurate position and correspond, be favorable to improving the precision of processing, moreover, this lathe is favorable to improving the degree of automation of processing, compares with prior art, and the cost is lower.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is another partial structure diagram of the present invention;

FIG. 4 is a schematic top view of the structure of FIG. 3;

FIG. 5 is an exploded view of the clamp of FIG. 2;

FIG. 6 is a schematic structural view of the base of the present invention;

fig. 7 is a schematic structural diagram of the middle bed body of the present invention.

In the figure: 1. a bed body; 2. a main shaft; 3. a rotating electric machine; 4. a tool post; 5. a tool apron; 6. mounting a boss on the automatic feeding and discharging mechanism; 7. sizing block; 8. a clamp; 9. an oil cylinder; 10. an X-direction guide pair; 11. an X-direction sliding plate; 12. an X-direction driving motor; 13. an X-direction ball screw pair; 14. a main spindle box; 15. a Z-direction guide rail pair; 16. a Z-direction sliding plate; 17. a Z-direction driving motor; 18. a Z-direction ball screw pair; 19. a connecting disc; 20. connecting sleeves; 21. expanding the core; 22. expanding sleeves; 23. a limiting disc; 24. a positioning ring; 25. mounting holes; 26. a boss; 27. a card slot; 28. connecting a threaded hole; 29. opening a plywood; 30. a top rod; 31. a movable through hole; 32. a driving wheel; 33. a base; 34. a protective cover; 35. a waste collection port; 36. an accommodating groove; 37. a hydraulic station; 38. a lubrication pump; 39. an oil separator; 40. a coupling; 41. a bearing seat; 42. a limiting through hole; 43. a support; 44. a telescopic cylinder; 45. a moving cylinder; 46. and clamping the cylinder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The high-precision numerically controlled lathe shown in fig. 1-7 is suitable for production and processing of various shaft sleeve and short shaft products, and can be matched with a corresponding automatic transmission line to realize automatic production and processing of equiaxial sleeves of air conditioner compressor component rollers. The lathe comprises a lathe body 1, a main shaft 2, an X-direction adjusting assembly and a rotating motor 3, wherein the main shaft 2 is arranged on the lathe body 1 through the X-direction adjusting assembly, so that the main shaft 2 can move along the X-axis direction of the lathe body 1, and an output shaft of the rotating motor 3 is in transmission connection with the main shaft 2 and is used for driving the main shaft 2 to rotate;

the lathe is characterized by further comprising a tool post 4, a Z-direction adjusting assembly, a tool apron 5, a tool, a pull rod, a clamp 8 and an oil cylinder 9, wherein the tool post 4 is installed on the lathe body 1 through the Z-direction adjusting assembly, so that the spindle 2 can move along the Z-axis direction of the lathe body 1, the tool apron 5 is arranged on the tool post 4, and the tool is arranged on the tool apron 5; the main shaft 2 is provided with an inner hole, the pull rod penetrates through the inner hole, one end, close to the tool apron 5, of the main shaft 2 is provided with a clamp 8, the clamp 8 is used for fixing a workpiece, the oil cylinder 9 is arranged on one end, far away from the tool apron 5, of the main shaft 2, the oil cylinder 9 is connected with the pull rod and used for providing power for the pull rod to move towards the direction close to or far away from the clamp 8, and the clamp 8 is loosened or the. The main shaft 2 drives the clamp 8 to synchronously rotate when rotating, namely the clamp 8 drives the workpiece to synchronously rotate, so that the tool can conveniently perform circumferential turning on the workpiece.

The automatic feeding device is characterized by further comprising a feeding mechanism and a discharging mechanism, wherein the feeding mechanism and the discharging mechanism are respectively arranged on two sides of the lathe bed 1, the feeding mechanism and the discharging mechanism respectively comprise a support 43 and a feeding device, the supports 43 are respectively arranged on two sides of the lathe bed 1, the feeding device is arranged on the supports 43, the feeding device is parallel to the X-axis direction of the lathe bed 1, and the feeding device is used for driving a workpiece to move along the X-axis direction of the lathe bed 1 so as to be conveyed.

In this embodiment, the X-axis direction and the Z-axis direction of the bed 1 correspond to the X-axis direction and the Z-axis direction in the rectangular coordinate system, respectively.

Specifically, material feeding unit is including removing cylinder 45, telescopic cylinder 44 and centre gripping cylinder 46, remove cylinder 45 and the X axle direction of lathe bed parallel, remove between cylinder 45 and the telescopic cylinder 44 transmission and be connected, telescopic cylinder 44 locates on the slider of removing cylinder 45 promptly, remove the slider removal of cylinder 45 drive its top, the slider can drive telescopic cylinder 44 and remove along the X axle direction of lathe bed 1, telescopic cylinder 44 is equipped with centre gripping cylinder 46 on the one side that is close to anchor clamps 8, centre gripping cylinder 46 is used for fixed work piece. The moving cylinder 45 is preferably a rodless cylinder, the telescopic cylinder 44 is preferably a guide rod cylinder, and the clamping cylinder 46 is preferably a finger cylinder, and clamping or releasing of the workpiece can be realized through signal and command control of a numerical control system.

Specifically, the X-direction adjusting assembly includes an X-direction guide rail pair 10, an X-direction sliding plate 11, an X-direction driving motor 12 and an X-direction ball screw pair 13, the X-direction guide rail pair 10 is fixedly connected with the bed 1, the X-direction sliding plate 11 is located on the X-direction guide rail pair 10 and is slidably connected with the X-direction guide rail pair 10, a headstock 14 is provided on the X-direction sliding plate 11, the spindle 2 is installed in the headstock 14, the rotating motor 3 is fixed on the headstock 14, the X-direction driving motor 12 is connected with the X-direction sliding plate 11 through the X-direction ball screw pair 13, the X-direction ball screw pair 13 is installed on the bed 1 through a bearing seat 41, the X-direction driving motor 12 provides power for rotating the X-direction ball screw pair 13, and the X-direction sliding plate 11 moves along the. The X-direction drive motor 12 in the present embodiment is preferably an X-direction servo motor, and the X-direction servo motor is connected to the X-direction ball screw pair 13 through a coupling 40.

More specifically, the Z-direction adjusting assembly comprises a Z-direction guide rail pair 15, a Z-direction sliding plate 16, a Z-direction driving motor 17 and a Z-direction ball screw pair 18, the Z-direction guide rail pair 15 and the X-direction guide rail pair 10 are arranged perpendicular to each other, the Z-direction guide rail pair 15 is fixedly connected with the bed 1, the Z-direction sliding plate 16 is positioned on the Z-direction guide rail pair 15 and is in sliding connection with the Z-direction guide rail pair 15, the tool post 4 is fixed on the Z-direction sliding plate 16, tool seats 5 required by various machining, such as a plurality of tool seats 5 with different specifications, and tools with different specifications required by machining are mounted on the tool seats 5; a nut seat is arranged on the bottom surface of the Z-direction sliding plate 16, a nut of the Z-direction ball screw pair 18 is arranged in the nut seat, a Z-direction driving motor 17 is connected with the Z-direction sliding plate 16 through the Z-direction ball screw pair 18, the Z-direction ball screw pair 18 is arranged on the machine body 1 through a bearing seat 41, and the Z-direction driving motor 17 provides power for rotating the Z-direction ball screw pair 18, so that the Z-direction sliding plate 16 moves along the extending direction of the Z-direction guide rail pair 15. The Z-direction drive motor 17 in this embodiment is preferably a Z-direction servomotor, and the Z-direction servomotor is connected to the Z-direction ball screw pair 18 through a coupling 40.

In the embodiment, the lathe bed 1 is in a T shape in a top view and is provided with 4 linear guide rail mounting steps, and each linear guide rail mounting step is provided with a plurality of screw holes which are respectively used for mounting an X-direction guide rail pair 10 and a Z-direction guide rail pair 15; 4 linear guide rail pressing block mounting grooves are formed, and each mounting groove is provided with a plurality of screw holes for mounting a pressing block to tightly press and fasten each guide rail pair; 4 mounting bosses 26 of the bearing seat 41 are used for mounting the bearing seat 41, and a rolling bearing is mounted in the bearing seat 41; there are 2 servomotor plate mounting bosses 26 for mounting servomotor plates for mounting respective servomotors. The X-direction servo motor and the Z-direction servo motor are controlled by corresponding servo drivers, and the servo drivers are controlled by a numerical control system.

When the X-direction servo motor receives a control signal of a servo driver, a rotor of the X-direction servo motor rotates to drive the coupling 40 to rotate, and the coupling 40 rotates to drive a screw rod in the X-direction ball screw pair 13 to rotate around a central connecting line of the bearing block 41; when the screw rod in the X-direction ball screw pair 13 rotates, the nut in the X-direction ball screw pair 13 moves linearly along the screw rod, and drives the whole body formed by the parts such as the X-direction sliding plate 11, the spindle box 14, the spindle 2, the clamp 8, the oil cylinder 9, the rotating motor 3 and the like to move linearly on the X-direction guide rail pair 10, so that the moving function of the numerical control system for controlling the processed workpiece is realized, the workpiece can be accurately processed by the tool, and the processing precision can be improved.

When the Z-direction servo motor receives a control signal of a servo driver, a rotor of the Z-direction servo motor rotates to drive the coupling 40 to rotate, and the coupling 40 rotates to drive the screw rod in the Z-direction ball screw pair 18 to rotate around a central connecting line of the bearing block 41; when the screw rod in the Z-direction ball screw pair 18 rotates, the nut in the Z-direction ball screw pair 18 drives the whole body formed by the parts such as the Z-direction sliding plate 16, the tool rest 4, the tool apron 5, the tool and the like to linearly move on the Z-direction guide rail pair 15 when linearly moving along the screw rod, so that the moving function of the tool controlled by the numerical control system is realized, the tool accurately corresponds to the position of the workpiece, the turning processing is carried out on the workpiece by the tool, and the processing precision is favorably improved.

As shown in fig. 2 and 5, as a preferred embodiment in this embodiment, the fixture 8 includes a connecting disc 19, a connecting sleeve 20, an expanding core 21, an expanding sleeve 22, a limiting disc 23 and a positioning ring 24, the connecting disc 19 is sleeved on the main shaft 2, the connecting disc 19 is provided with a mounting hole 25, the connecting sleeve 20 is embedded in the mounting hole 25, the connecting sleeve 20 is provided with a plurality of bosses 26, the expanding core 21 is provided with a plurality of slots 27, the bosses 26 pass through the slots 27, the bosses 26 are in threaded connection with the expanding sleeve 22, the bosses 26 are provided with threaded connection holes 28, the expanding sleeve 22 is provided with connecting screws, the connecting screws pass through the threaded connection holes 28, the connecting screws are in threaded connection with the threaded connection holes 28, the expanding sleeve 22 is provided with an opening-closing portion, the limiting disc 23 and the positioning ring 24 are both provided with limiting through holes 42, the opening-closing portion passes through the limiting through holes 42, the limiting, the opening and closing part is used for fixing a workpiece, the limiting disc 23 is fixedly connected with the expansion core 21, and the positioning ring 24 is fixedly connected with the limiting disc 23;

the opening and closing part comprises a plurality of opening and closing plates 29, the expansion sleeve 22 is provided with a movable through hole 31, the plurality of opening and closing plates 29 are circumferentially arranged around the movable through hole 31, one end of each opening and closing plate 29 is fixed on the expansion sleeve 22, and the other end of each opening and closing plate 29 penetrates through the limiting through hole 42;

a threaded through hole is formed in the connecting sleeve 20 and is communicated with the inner hole, a threaded part is arranged at one end of the pull rod and penetrates through the threaded through hole, the threaded part is in threaded connection with the threaded through hole, a push rod 30 is arranged on the expansion core 21, a movable through hole 31 is matched with the push rod 30, and the push rod 30 penetrates through the movable through hole 31 to enable the push rod 30 to be in movable contact with the opening and closing plate 29;

the mandril 30 is in a step shape from the connecting part close to the end of the expansion core 21 to the extrusion part far away from the end of the expansion core 21, and the outer diameter size is gradually reduced, thus the mandril is in a forward conical structure; the pull rod moves towards the direction far away from the expansion core 21, the pull rod drives the connecting sleeve 20 to synchronously move, the connecting sleeve 20 drives the boss 26 to synchronously move, the boss 26 drives the expansion sleeve 22 to synchronously move, the expansion sleeve 22 moves towards the direction close to the expansion core 21, the movable through hole 31 moves towards the direction close to the connecting part, the ejector rod 30 penetrates through the movable through hole 31, and each plywood 29 is stressed to open towards the outer side of the movable through hole 31 so as to clamp a workpiece; the pull rod moves towards the direction close to the expansion core 21, the pull rod drives the connecting sleeves 20 to synchronously move, the connecting sleeves 20 drive the bosses 26 to synchronously move, the bosses 26 drive the expansion sleeves 22 to synchronously move, the expansion sleeves 22 move towards the direction far away from the expansion core 21, the movable through holes 31 move towards the direction far away from the connecting parts, and the plywood 29 is folded towards the inner sides of the movable through holes 31 to loosen the workpiece. Thereby being beneficial to easily realizing the clamping or loosening action of the workpiece and effectively improving the processing efficiency.

As another embodiment, the gripper 8 may also be a hydraulic three-jaw chuck, as shown in fig. 3. The pull ring inside the three-jaw chuck is provided with threads, the pull ring of the three-jaw chuck is in threaded connection with the threaded part of the pull rod, the pull rod moves towards the direction close to or away from the clamp 8, the pull rod drives the pull ring of the three-jaw chuck to move synchronously, so that three clamping jaws move radially, and the purpose of clamping or loosening a workpiece is achieved.

It should be noted that the output shaft of the rotating electrical machine 3 is provided with a driving wheel 32, the main shaft 2 is provided with a driven wheel, the driven wheel is located below the driving wheel 32, a transmission belt is arranged between the driving wheel 32 and the driven wheel in a winding manner, the rotating electrical machine 3 is used for driving the driving wheel 32 to rotate, the driving wheel 32 drives the driven wheel to rotate through the transmission belt, and the driven wheel drives the main shaft 2 to rotate. The rotating motor 3 is controlled by a main shaft 2 servo driver or a main shaft 2 frequency converter, the main shaft 2 servo driver or the main shaft 2 frequency converter is controlled by a numerical control system, and the rotating motor 3 executes actions such as rotation and the like when receiving a control signal of the main shaft 2 servo driver or the main shaft 2 frequency converter to realize the functions of controlling the main shaft 2 to rotate and the like by the numerical control system.

In addition, the lathe further comprises a base 33 and a protective cover 34, the lathe body 1 is fixed on the base 33, the support 43 is fixedly connected with the base 33, and the protective cover 34 is arranged on the base 33 and covers the lathe body 1. Preferably, the material of the protective cover 34 in this embodiment is a sheet metal part. The four sizing blocks 7 are arranged at the bottom of the base 33, which is beneficial to providing good supporting function for the bed.

In a preferred embodiment, a waste collecting port 35 is formed in the base 33, the waste collecting port 35 is located below the Z-guide rail pair 15, a waste collecting channel is formed in the base 33, the waste collecting channel is communicated with the waste collecting port 35, an accommodating groove 36 is further formed in the base 33, a waste collecting basin is arranged in the accommodating groove 36, the waste collecting basin is located below the waste collecting channel, and the waste collecting basin is used for collecting waste materials discharged from the waste collecting channel. The number of waste collection openings 35 in this embodiment is preferably 2, and accordingly, the number of waste collection channels is preferably 2. Preferably, still be equipped with 2 automatic unloading mechanism installation bosss 6 on the base 33, be used for installing feed mechanism and unloading mechanism respectively, even 2 automatic unloading mechanism installation bosss 6 respectively with 2 support 43 fixed connection on to the automation of unloading in the realization is favorable to improving the degree of automation of this lathe.

It is worth mentioning that, be equipped with cooling water pump on the garbage collection basin, cooling water is carried to cutter, work piece on to cooling water pump's output tube, cools off cutter, work piece, and the waste collection basin is fallen to the coolant liquid after the garbage collection mouth 35 gets into the garbage collection passageway, and the garbage collection basin is collected the coolant liquid, and cooling water pump's input tube is with the coolant liquid input in the garbage collection basin in cooling water pump's the pump body. The waste material mainly is iron fillings in this embodiment, and the waste material is collected the basin and is mainly used for accomodating the iron fillings that produce in the course of working and the cooling water that cooling tool, work piece were used, and cooling water pump is by numerical control system signal, command control, through exporting the cooling liquid to the work piece, cooling of cutter.

The base 33 in this embodiment is further provided with a groove for lifting the lathe when the lathe is moved.

In addition, this lathe still includes hydraulic pressure station 37, hydraulic pressure station 37 includes hydraulic motor, blade variable pump and solenoid valve, hydraulic motor's output and blade variable pump are connected, blade variable pump is the hydro-cylinder 9 and carries hydraulic oil, the solenoid valve is located between blade variable pump and the hydro-cylinder 9, the solenoid valve is used for making hydraulic circuit forward or reverse flow in the hydro-cylinder 9, make the hydro-cylinder 9 piston do and stretch out or retract the action, the hydro-cylinder 9 piston drives the pull rod synchronous motion, make the pull rod move towards being close to or keeping away from the core 21 that rises.

The hydraulic station 37 is controlled by signals and instructions of a numerical control system, and a hydraulic motor of the hydraulic station 37 rotates after being electrified to drive the blade variable pump to act; after the variable vane pump acts, hydraulic oil flows to the oil cylinder 9 through the electromagnetic valve and the oil pipe and enables the oil cylinder 9 to act, the oil cylinder 9 acts to pull the pull rod to move in the direction away from the expansion core 21, and the function of clamping a workpiece by the clamp 8 is achieved; when the signal output to the electromagnetic valve by the numerical control system is changed, the electromagnetic valve acts, the flowing direction of the hydraulic oil circuit in the original state is changed after the electromagnetic valve acts, hydraulic oil is conveyed to the oil cylinder 9, the oil cylinder 9 acts to push the pull rod to move towards the direction close to the expansion core 21, and the clamp 8 is driven to realize the function of loosening the workpiece.

Preferably, the lathe further comprises a lubricating system, the lubricating system comprises a lubricating pump 38 and an oil distributor 39, the lubricating pump 38 is connected with the X-direction guide rail pair 10, the X-direction ball screw pair 13, the Z-direction guide rail pair 15 and the Z-direction ball screw pair 18 through lubricating oil pipes respectively, and the oil distributor 39 is arranged on the lubricating oil pipes.

The lubricating system is controlled by a numerical control system signal and an instruction, and after the lubricating pump 38 is electrified, lubricating oil is conveyed to each guide rail pair and each ball screw pair through the oil pipe, the oil separator 39 and the like to realize a lubricating function, so that the machining efficiency and the service life of the lathe are improved.

When the device is used, the guide rod cylinder in the feeding mechanism drives the finger cylinder to extend out, a workpiece is pushed into the finger cylinder in the feeding mechanism, and the finger cylinder clamps the workpiece; a rodless cylinder in the feeding mechanism drives a guide rod cylinder and a finger cylinder to move towards the direction close to the clamp 8 until the finger cylinder in the feeding mechanism installs a workpiece into the clamp 8, and the finger cylinder in the feeding mechanism is opened; through the X-direction adjusting assembly and the Z-direction adjusting assembly, the workpiece and the cutter can move on the lathe bed 1 respectively, so that the workpiece and the cutter can be accurately positioned and correspond to each other, the machining precision is improved, the cutter works, the rotating motor 3 drives the clamp 8 to synchronously rotate, the workpiece is synchronously rotated, and the cutter can effectively turn the workpiece; after turning is finished, an X-direction driving motor 12 drives an X-direction sliding plate 11 to move, so that after a clamp 8 moves to the front of the left end of a blanking mechanism, a finger cylinder in the blanking mechanism extends out, the finger cylinder clamps a workpiece, the clamp 8 releases the clamped workpiece, a guide rod cylinder in the blanking mechanism drives the finger cylinder to extend out, after the finger cylinder clamps the workpiece, the clamp 8 releases the clamped workpiece, and the guide rod cylinder contracts; x drives anchor clamps 8 to slide 11 and moves feed mechanism right-hand member and carries out next work piece centre gripping, work piece turning action circulation, so, can realize that the accurate of work piece is carried and is pressed from both sides tight fixed, carries out effectual work piece lathe work, is favorable to improving the quality and the production machining efficiency of work piece.

In conclusion, the lathe is beneficial to improving the machining precision and the machining automation degree, and compared with the prior art, the lathe is low in cost.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. High accuracy numerical control lathe, its characterized in that: the X-direction adjusting component is arranged on the main shaft, so that the main shaft can move along the X-axis direction of the lathe bed, and an output shaft of the rotating motor is in transmission connection with the main shaft and is used for driving the main shaft to rotate;

the feeding mechanism and the blanking mechanism are respectively arranged on two sides of the lathe bed, the feeding mechanism and the blanking mechanism respectively comprise a support and a feeding device, the supports are respectively arranged on two sides of the lathe bed, the feeding device is arranged on the support, the feeding device is parallel to the X-axis direction of the lathe bed, and the feeding device is used for driving a workpiece to move along the X-axis direction of the lathe bed so as to be conveyed.

2. The high precision numerically controlled lathe of claim 1, wherein: the X-direction adjusting assembly comprises an X-direction guide rail pair, an X-direction sliding plate, an X-direction driving motor and an X-direction ball screw pair, the X-direction guide rail pair is fixedly connected with the lathe bed, the X-direction sliding plate is located on the X-direction guide rail pair and is in sliding connection with the X-direction guide rail pair, a spindle box is arranged on the X-direction sliding plate, the spindle is installed in the spindle box, the rotating motor is fixed on the spindle box, the X-direction driving motor is connected with the X-direction sliding plate through the X-direction ball screw pair, and the X-direction driving motor provides power for the X-direction ball screw pair to rotate so that the X-direction sliding plate moves along the extending direction of the.

3. The high precision numerically controlled lathe of claim 2, wherein: the Z-direction adjusting assembly comprises a Z-direction guide rail pair, a Z-direction sliding plate, a Z-direction driving motor and a Z-direction ball screw pair, the Z-direction guide rail pair and the X-direction guide rail pair are arranged in a mutually perpendicular mode, the Z-direction guide rail pair is fixedly connected with the lathe bed, the Z-direction sliding plate is located on the Z-direction guide rail pair and is in sliding connection with the Z-direction guide rail pair, the tool post is fixed on the Z-direction sliding plate, the Z-direction driving motor is connected with the Z-direction sliding plate through the Z-direction ball screw pair, and the Z-direction driving motor provides power for the Z-direction ball screw pair to rotate so that the Z-direction sliding plate moves along the extending direction of the.

4. The high-precision numerically controlled lathe according to any one of claims 1 to 3, wherein: the fixture comprises a connecting disc, a connecting sleeve, an expansion core, an expansion sleeve, a limiting disc and a positioning ring, wherein the connecting disc is sleeved on the main shaft, the connecting disc is provided with a mounting hole, the connecting sleeve is embedded in the mounting hole and is provided with a plurality of bosses, the expansion core is provided with a plurality of clamping grooves, the bosses penetrate through the clamping grooves and are connected with the expansion sleeve through threads, the boss is provided with a threaded connecting hole, the expansion sleeve is inserted with a connecting screw which passes through the threaded connecting hole, the connecting screw is in threaded connection with the threaded connecting hole, the expansion sleeve is provided with an opening-closing part, the limiting disc and the positioning ring are both provided with limiting through holes, the opening-closing part penetrates through the limiting through hole, the limiting disc and the positioning ring are sequentially sleeved on the opening-closing part, the limiting disc is fixedly connected with the expanding core, and the positioning ring is fixedly connected with the limiting disc;

5. The high precision numerically controlled lathe of claim 1, wherein: the feeding device comprises a moving cylinder, a telescopic cylinder and a clamping cylinder, the moving cylinder is parallel to the X-axis direction of the lathe bed, the moving cylinder is in transmission connection with the telescopic cylinder, the clamping cylinder is arranged on one side, close to the clamp, of the telescopic cylinder, and the clamping cylinder is used for fixing a workpiece.

6. The high-precision numerically controlled lathe according to claim 3, wherein: the lathe bed is fixed on the base, the support is fixedly connected with the base, and the protective cover is arranged on the base and covers the lathe bed.

7. The high precision numerically controlled lathe of claim 6, wherein: be equipped with the garbage collection mouth on the base, the garbage collection mouth is located the vice below of Z guide rail, be formed with the garbage collection passageway in the base, the garbage collection passageway communicates with the garbage collection mouth, still be equipped with the holding recess on the base, be equipped with the garbage collection basin in the holding recess, the garbage collection basin is located the garbage collection passageway below, the garbage collection basin is used for collecting the waste material of following the exhaust of garbage collection passageway.

8. The high-precision numerically controlled lathe according to claim 7, wherein: be equipped with cooling water pump on the garbage collection basin, cooling water is carried to cutter, work piece on to cooling water pump's output tube, it is right cutter, work piece cool off, and the coolant liquid warp the garbage collection mouth falls to the garbage collection basin after getting into the garbage collection passageway, the garbage collection basin is collected the coolant liquid, cooling water pump's input tube is inputed the coolant liquid in the garbage collection basin in the pump body of cooling water pump.

9. The high-precision numerically controlled lathe according to claim 4, wherein: still include the hydraulic pressure station, the hydraulic pressure station includes hydraulic motor, blade variable pump and solenoid valve, hydraulic motor's output and blade variable pump are connected, blade variable pump is the hydro-cylinder and carries hydraulic oil, the solenoid valve is located between blade variable pump and the hydro-cylinder, the solenoid valve is used for making hydraulic pressure oil circuit forward or reverse flow in the hydro-cylinder, makes the hydro-cylinder piston is done and is stretched out or retract the action of contracting, the hydro-cylinder piston drives pull rod synchronous motion makes the pull rod is toward being close to or keeping away from the core direction that rises and remove.

10. A highly accurate numerically controlled lathe as claimed in claim 3, 6, 7, 8 or 9 wherein: the lubricating system comprises a lubricating pump and an oil distributor, the lubricating pump is connected with the X-direction guide rail pair, the X-direction ball screw pair, the Z-direction guide rail pair and the Z-direction ball screw pair through lubricating oil pipes respectively, and the oil distributor is arranged on the lubricating oil pipes.