CN111421366A

CN111421366A - Lathe for machining inner inclined surface of valve seat and using method of lathe

Info

Publication number: CN111421366A
Application number: CN202010417799.XA
Authority: CN
Inventors: 徐锡平
Original assignee: Zhejiang Chengchang Machinery Parts Co ltd
Current assignee: Zhejiang Chengchang Machinery Parts Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-07-17
Anticipated expiration: 2040-05-16
Also published as: CN111421366B

Abstract

The invention relates to a lathe for machining an inner inclined plane of a valve seat, which comprises a frame, wherein a spindle box is arranged on the frame, a rotating shaft is arranged at the output end of the spindle box, a clamping device for clamping a workpiece is arranged on the rotating shaft, an inclining device for inclining the clamping device relative to the rotating shaft and an adjusting device for enabling the clamping device to deviate along the radial direction of the rotating shaft are arranged between the rotating shaft and the clamping device. Compared with the prior art, the structure can enable the inner hole of the existing lathe to be turned into the valve seat with an inclined plane and a certain offset.

Description

Lathe for machining inner inclined surface of valve seat and using method of lathe

Technical Field

The invention relates to the technical field of valve seat machining, in particular to a lathe for machining an inner inclined plane of a valve seat and a using method of the lathe.

Background

The valve seat is a detachable surface component in the valve, is used for supporting the valve core at the fully closed position and forms a sealing pair. The valve seat can be machined by a lathe, the inner hole of some valve seats is an inclined plane, and the axis of the inner hole and the axis of the valve seat have a certain offset, the existing lathe can only feed straight, the valve seat cannot be machined accurately, when a workpiece needing to be turned at two ends is machined, two times of clamping are needed, the working efficiency is affected, the coaxiality deviation of two ends of the workpiece is easily caused, and the use requirement cannot be met, the existing lathe tool rest is realized by increasing or reducing gaskets at the bottom of the tool rest when the height is adjusted, the mode needs to prepare a large number of gaskets, the adjustment is very troublesome, meanwhile, the structure is unstable, when parts are machined, cooling liquid needs to be sprayed on the workpiece and a cutter, the cooling liquid spraying device of the existing lathe cannot recycle the sprayed cooling liquid, the waste of the cooling liquid is caused, and iron chips are continuously generated when the lathe works, although be equipped with the iron fillings export in the lathe bottom surface, but not in time dropping and too much pile up can be to causing the jam when the iron fillings export, influence the normal work of lathe, when processing the work piece, the headstock can produce the heat, especially when the rotational speed is fast, if can not in time dispel the heat, can shorten the life of headstock greatly, from this it is necessary to make the improvement to current lathe.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a lathe which can be used for lathing a valve seat, wherein an inner hole of the valve seat, which cannot be lathed by the conventional lathe, is an inclined plane and has a certain offset, and is used for machining the inner inclined plane of the valve seat, and a use method of the lathe.

The technical scheme of the invention is realized as follows: the utility model provides a lathe for inclined plane processing in disk seat, includes the frame, establishes the headstock in the frame, the headstock output is equipped with the pivot, be equipped with the clamping device who is used for centre gripping work piece in the pivot, its characterized in that: and an inclining device for inclining the clamping device relative to the rotating shaft and an adjusting device for radially offsetting the clamping device along the rotating shaft are arranged between the rotating shaft and the clamping device.

Through adopting above-mentioned technical scheme, adjust the tilting means, the axis that makes clamping device and the axis of pivot are an inclination, adjustment adjusting device makes and has certain offset between the axis of clamping device and the axis of pivot, like this with the work piece clamping on clamping device, start the headstock and drive the pivot and rotate, the pivot can drive work piece off-centre and the rotation of slope, also can turn out the eccentric disk seat that just is the inclined plane of hole like this under the circumstances that lathe straight line feed, for prior art, this structure can make current lathe turn out the disk seat that the hole is the inclined plane and the hole has certain offset.

The invention is further configured to: the tilting device comprises a first plate body and a second plate body, wherein one side of the first plate body is provided with a hinging block, one end of the second plate body is rotationally connected with the hinging block, one side of the movable end of the first plate body, which is close to the second plate body, is provided with a control block, the upper surface of the control block is provided with a control groove, a threaded rod is arranged in the control groove, the upper end of the control block is provided with a moving block, the bottom surface of the moving block is provided with a thread groove, the upper end of the threaded rod is in threaded connection with the thread groove, the bottom surface of the thread groove is provided with a locking spring, one end of the locking spring, which is far away from the bottom surface of the threaded groove, is fixedly connected with the upper end of the threaded rod, the upper end of the moving block is hinged with one side of the movable end of the second plate body, which is close to the first plate body, the side wall of the control block is provided with an adjusting rod, one end of the adjusting rod is provided with an adjusting groove, and the end, far away from the adjusting groove, of the adjusting rod penetrates through the side wall of the control block and is connected with the bottom end of the threaded rod through a pair of reversing gears in a transmission mode.

By adopting the technical scheme, a tool matched with the adjusting groove is inserted into the adjusting groove to rotate, the adjusting groove rotates to drive the adjusting rod to rotate, the adjusting rod drives the threaded rod to rotate through the reversing gear, the upper end of the threaded rod is in threaded connection with the threaded groove, so that the movable block moves upwards or downwards relative to the control block according to the rotating direction of the tool, one end of the second plate body is hinged with the hinging block, the upper end of the movable block is hinged with the movable end of the second plate body, so that the angle of the second plate body relative to the first plate body is increased or decreased to adjust the inclination angle, the locking spring is positioned in the threaded groove to play a role of locking the threaded rod, the whole structure is more stable, one side of the first plate body, which is far away from the second plate body, is fixedly connected with the turntable, the clamping device is fixedly connected with one side of the second plate body, which is, the rotating shaft can drive the workpiece to rotate obliquely.

The invention is further configured to: adjusting device includes the movable plate, movable plate upper surface middle part is equipped with the vertical first screw thread through-hole that runs through movable plate upper and lower surface, first screw thread through-hole female connection has adjusting screw, both sides all are equipped with first installation piece about the movable plate, first installation piece and carousel fixed connection, the adjusting screw both ends all extend to first screw thread through-hole outside and all run through fixedly connected with regulating block behind the first installation piece, be equipped with the spacing groove that runs through movable plate front and back surface on the movable plate, the spacing inslot is equipped with the gag lever post, gag lever post one end pass behind the spacing groove with carousel fixed connection, the movable plate left and right sides all is equipped with the fastener who is used for fastening the movable plate.

By adopting the technical scheme, the first mounting block is used for limiting the movable plate to move along the direction vertical to the axis of the first threaded through hole, the adjusting block is used for limiting the adjusting screw rod to move along the axis direction, when the radial offset is adjusted, the adjusting block is rotated to drive the adjusting screw rod to rotate, the middle part of the adjusting screw rod is positioned in the first threaded through hole and is in threaded connection with the first threaded through hole, due to the limiting action of the adjusting block, the adjusting screw rod is not moved, so that the movable plate starts to move up and down to adjust the offset, the movable plate is provided with the limiting groove, the limiting groove is internally provided with the limiting rod, when the movable plate moves, the limiting groove and the limiting rod jointly act to limit the movable plate to rotate, the fastening device is used for clamping the movable plate, the movable plate is prevented from shifting when the rotating shaft rotates, after the adjustment is completed, the fastening device clamps the movable plate tightly, the stability of the movable plate is guaranteed, and the structure is simple to operate, convenient to adjust and stable in structure.

The invention is further configured to: the machine frame is provided with a feeding box, the feeding box is provided with a knife rest, the clamping device comprises a fixed block and a rotating block, one side of the fixed block is provided with two matching blocks in a vertical symmetry manner, the rotating block is positioned between the two matching blocks, the opposite side walls of the matching blocks are provided with sliding grooves, the sliding grooves are arranged along the length direction of the matching blocks, sliding blocks are arranged in the sliding grooves in a sliding manner, the middle parts of the upper side wall and the lower side wall of the rotating block are respectively provided with a rotating rod, one end of the rotating rod, far away from the rotating block, is rotatably connected with the sliding blocks, the left end and the right end of the rotating block are respectively provided with a clamping block, the position, close to one side of the rotating block, of the fixed block, opposite to the clamping block is provided with a clamping groove matched with the clamping, and a third threaded through hole penetrating through the upper surface and the lower surface of the matching block is formed in the matching block, a second fastening screw rod is arranged on one side, away from the rotating block, of the matching block, and the threaded end of the second fastening screw rod is in threaded connection with the third threaded through hole and then abuts against the side wall of the rotating block.

By adopting the technical scheme, for the workpiece of which both ends need to be turned, the workpiece is placed in the clamping through groove and is clamped by the clamping block during clamping, after one end is turned, the second fastening screw rod is rotated to enable the second fastening screw rod to move towards one side far away from the rotating block, the rotating block is pulled towards one side far away from the fixed block, the rotating block is rotated 180 degrees by taking the rotating rod as a center after the clamping block at one end of the rotating block close to the clamping groove is far away from the clamping groove, the unprocessed end of the workpiece faces towards the cutter, then the rotating block is pushed towards one side close to the fixed block until the clamping block at one end of the rotating block close to the clamping groove is clamped in the clamping groove, then the second fastening screw rod is rotated to enable the second fastening screw rod to move towards one side close to the rotating block and finally abut against the side wall of the rotating block, the rotating block is clamped at the moment, the rotating block cannot relatively move or rotate when the workpiece rotates at high speed, be equipped with two second fastening screw rods on every cooperation piece to two second fastening screw rods distribute in same cooperation piece both sides, can press from both sides tight turning block more steadily like this, compare with prior art, and this structure only carries out clamping once to the work piece, has guaranteed the axiality at work piece both ends.

The invention is further configured to: the utility model discloses a gear box, including the knife rest, knife rest bottom surface, bottom plate upper surface, gear groove lateral wall, the knife rest bottom surface is the inclined plane, the knife rest below is equipped with the bottom plate, the bottom plate upper surface is the inclined plane with knife rest bottom surface looks adaptation, bottom plate upper surface middle part is equipped with the gear groove, the gear inslot is equipped with the body of rod, the body of rod level is rotated and is set up at the gear inslot, body of rod one end extends to the bottom plate outside after running through the gear groove lateral wall, the body of rod is located the outside one end of bottom plate and is equipped with the hand wheel, the body of rod is located the cover on the outer wall of gear groove and is equipped with.

By adopting the technical scheme, the bottom surface of the knife rest is an inclined surface, the upper surface of the bottom plate is an inclined surface matched with the bottom surface of the knife rest, when the height of the knife rest needs to be adjusted, a worker rotates a hand wheel which is connected with one end of a rod body positioned outside the bottom plate, so the hand wheel drives the rod body to rotate, a transmission gear is sleeved on the outer wall of the rod body positioned in a gear groove, so the rod body drives the transmission gear to rotate, a rack is arranged in the middle of the bottom surface of the knife rest along the inclined direction, the transmission gear is meshed with the rack, so the knife rest moves up and down along the inclined surface to adjust the height, a clamping device for limiting the rotation of the rod body is arranged on the outer wall of the bottom plate, when the height of the knife rest is adjusted, the clamping device limits the rotation of, the structure is stable.

The invention is further configured to: the clamping device comprises an insulating ring sleeved on the outer wall of the rod body, one side wall of the insulating ring is fixedly connected with the side wall of the bottom plate, a reset spring is arranged on the inner wall of the insulating ring, one end, far away from the insulating ring, of the reset spring is provided with a first electromagnet, and an iron block is arranged on the outer wall, opposite to the first electromagnet, of the rod body along the circumferential direction.

By adopting the technical scheme, the clamping device comprises an insulating ring sleeved on the outer wall of the rod body, the side wall of one side of the insulating ring is fixedly connected with the side wall of the bottom plate, a reset spring is arranged on the inner wall of the insulating ring, one end of the reset spring, which is far away from the insulating ring, is provided with a first electromagnet, an iron block is arranged on the outer wall, which is opposite to the first electromagnet, of the rod body along the circumferential direction, the first electromagnet is electrically connected with the distribution box, when the lathe works, the first electromagnet is electrified to generate magnetism, so that the first electromagnet moves towards one side close to the iron block and is finally attracted to the iron block to limit the rotation of the rod body, the first electromagnet moves and simultaneously stretches the reset spring, when the height of the tool rest needs to be adjusted, the first electromagnet is powered off and loses magnetism, the elasticity of the reset spring enables the first electromagnet to reset and pull towards one side far away from the iron block, the rod body is limited again, and the structure is simple to operate and stable in structure.

The invention is further configured to: the cooling device is arranged on the feeding box and comprises a cooling water tank, a spray pipe is arranged on the side wall of one side of the cooling water tank, a liquid spraying valve is arranged on the spray pipe, one end, away from the cooling water tank, of the spray pipe is provided with a spray head, a water outlet pipe is arranged on the frame, the upper portion of the water outlet pipe is funnel-shaped, a filter screen is arranged on the upper portion of the inner wall of the water outlet pipe, the inner wall of the water outlet pipe is located below the filter screen and is provided with a second electromagnet, the bottom of the water outlet pipe is provided with a water delivery pipe, one end, away from the water outlet pipe.

By adopting the technical scheme, the cooling device is arranged on the feeding box and is convenient to move along with the cutter to cool the cutter in real time, the cooling device comprises a cooling water tank, a spray pipe is arranged on the side wall of one side of the cooling water tank and can freely adjust the direction, a spray head is arranged on the spray pipe, a liquid spray valve is arranged on the spray pipe and is opened to enable the cooling liquid in the cooling water tank to enter the spray pipe and be sprayed out through the spray head to cool the workpiece and the cutter, a water outlet pipe is arranged on the rack, the upper part of the water outlet pipe is funnel-shaped and is convenient for concentrated collection of the cooling liquid, a filter screen is arranged on the upper part of the inner wall of the water outlet pipe and can filter larger iron filings, the cooling liquid can pass through the filter screen, smaller iron filings and the cooling liquid pass through the filter screen together, a second electromagnet is arranged below the thread and is electrically connected with, the outlet pipe bottom is equipped with the raceway, and the coolant liquid that gets rid of iron fillings gets into the raceway, and the raceway is kept away from the one end and the inside intercommunication of coolant tank of outlet pipe, is equipped with the suction pump on the raceway, and the suction pump is in the coolant liquid pump down the coolant tank in with the raceway, compares with prior art, and this structure has realized the cyclic utilization of coolant liquid, has reduced the waste of coolant liquid, environmental protection more.

The invention is further configured to: the iron scrap outlet is formed in the bottom surface of the frame, the anti-blocking device is arranged in the iron scrap outlet and comprises a vibrating plate, one end of the vibrating plate is connected with the inner wall of the iron scrap outlet in a rotating mode, the other end of the vibrating plate is arranged downwards in an inclined mode, the bottom surface of the frame is provided with a driving motor, the output end of the driving motor is provided with a motor shaft, an eccentric wheel is arranged on the motor shaft, the outer edge of the eccentric wheel abuts against the bottom surface of the vibrating plate, a compression spring is arranged on the bottom surface of the vibrating plate.

By adopting the technical scheme, the anti-blocking device is arranged in the scrap iron outlet and comprises a vibration plate, one end of the vibration plate is rotatably connected with the inner wall of the scrap iron outlet, the other end of the vibration plate is arranged downwards in an inclined manner, the bottom surface of the frame is provided with a driving motor, the output end of the driving motor is connected with a motor shaft, the motor shaft is connected with an eccentric wheel, the driving motor is started to drive the motor shaft to rotate when the lathe works, the motor shaft drives the eccentric wheel to rotate, the outer edge of the eccentric wheel is abutted against the bottom surface of the vibration plate, so that the eccentric wheel drives the vibration plate to swing up and down while rotating, the scrap iron can be vibrated, the scrap iron can be timely discharged, the scrap iron is prevented from accumulating at the scrap iron outlet, the bottom surface of the vibration, avoid the vibration board to be blocked by iron fillings, compare with prior art, this structure makes the discharge of iron fillings more timely, has improved work efficiency.

The invention is further configured to: the gas exhaust device is characterized in that a cold air box is arranged on the outer wall of the spindle box, a gas outlet pipe is arranged on the cold air box, a gas suction pump is arranged on the gas outlet pipe, a gas ejector pipe is arranged at one end, far away from the cold air box, of the gas outlet pipe, a gas ejector port of the gas ejector pipe faces the spindle box, a temperature sensor is arranged on the outer wall of the spindle box, and the temperature sensor is electrically.

Through adopting the above-mentioned technical scheme, set up the air conditioning box on the headstock outer wall, be equipped with the outlet duct on the air conditioning box, the outlet duct is equipped with the aspiration pump, the one end that the air conditioning box was kept away from to the outlet duct is equipped with jet-propelled pipe, jet-propelled pipe's air jet is towards the headstock, be equipped with temperature sensor on the headstock outer wall, when the pivot rotates especially high-speed rotation, the headstock can produce a large amount of heats, temperature sensor can the temperature of real-time supervision headstock, temperature sensor is connected with the aspiration pump electricity, when the temperature of headstock is too high, the aspiration pump starts the air conditioning in the extraction air conditioning box, air conditioning passes through the outlet duct and is cooled down at the surface of headstock by jet-propelled pipe spraying, compare with prior art.

The invention also discloses a use method of the lathe for machining the inner inclined surface of the valve seat, which comprises the following specific steps:

1) and adjusting the inclination angle: a tool matched with the adjusting groove is inserted into the adjusting groove to rotate, the adjusting groove rotates to drive the adjusting rod to rotate, the adjusting rod drives the threaded rod to rotate through the reversing gear, the threaded rod moves upwards or downwards in the threaded groove and simultaneously extrudes or stretches the locking spring, the moving block moves upwards or downwards relative to the control block according to the rotating direction of the tool, and then the angle of the second plate body relative to the first plate body is increased or decreased to adjust the inclined angle.

2) Adjusting offset: adjusting the fastening device to enable the fastening device to be far away from the movable plate, enabling the movable plate to be in a movable state at the moment, rotating the adjusting block, enabling the adjusting block to drive the adjusting screw to rotate, enabling the adjusting screw to drive the movable plate to move upwards or downwards, enabling the limiting rod to be motionless in the moving process of the movable plate, enabling the limiting groove to move upwards or downwards relative to the limiting rod, stopping rotating the adjusting block when the required offset is adjusted, stopping rotating the adjusting screw, stopping moving the movable plate, enabling the limiting groove to stop moving relative to the limiting rod, enabling the fastening device to be close to the movable plate and finally abutting against the side wall of the movable plate, enabling the movable plate to be in an.

3) And clamping the workpiece: the clamping blocks are adjusted towards the direction far away from the center of the clamping through groove to reserve a workpiece placing space, the workpiece is placed in the clamping through groove, the center of the workpiece is aligned to the clamping blocks, the clamping blocks are adjusted towards the direction close to the workpiece, and finally the clamping blocks clamp the workpiece.

4) And clamping the cutter: fix the cutter on knife rest upper portion, will feed the case and make the cutter be close to the work piece to work piece direction removal, give first electro-magnet outage, the body of rod can free rotation this moment, the rotation hand wheel drives the body of rod and rotates, the body of rod drives drive gear and rotates, drive gear and rack meshing transmission make the knife rest be close to or keep away from the bottom plate and adjust the height of knife rest, when the knife rest is adjusted suitable height, for first electro-magnet circular telegram, first electro-magnet produces magnetism and holds the iron plate on the body of rod, the rotation of the body of rod is restricted the regulation of accomplishing the knife rest height this.

5) Tool setting: the spindle box is started to enable the rotating shaft to rotate at a low speed, the rotating shaft drives the rotating disc to rotate at a low speed, the rotating disc drives the moving plate to rotate at a low speed, the moving plate drives the first plate to rotate at an eccentric low speed, the second plate rotates obliquely at a low speed relative to the first plate, the second plate drives the clamping device and the workpiece to rotate at an eccentric oblique low speed, the feeding box is slowly moved towards the direction close to the workpiece, the cutter is close to the workpiece, and when the tool point of the cutter just cuts the workpiece, the feeding box is stopped to move, so that the cutter setting.

6) And processing the workpiece: adjusting a spindle box to enable a rotating shaft to rotate at a proper rotating speed, enabling the rotating shaft to drive a rotating disc to rotate at a proper rotating speed, enabling the rotating disc to drive a moving plate to rotate at a proper rotating speed, enabling the moving plate to drive a first plate body to eccentrically rotate at a proper rotating speed, enabling a second plate body to obliquely rotate at a proper rotating speed relative to the first plate body, enabling a second plate body to drive a clamping device and a workpiece to eccentrically rotate at a proper rotating speed, enabling a spray head of a spray pipe to be aligned with a cutting edge of a cutter, opening a liquid spray valve to spray cooling liquid, starting a driving motor to drive a motor shaft to rotate, enabling the motor shaft to drive an eccentric wheel to rotate, enabling the eccentric wheel to drive a vibrating plate to vibrate up and down, electrifying a second electromagnet, starting a water suction pump, enabling a movable feeding box to feed according to a required feeding amount, after one end of the workpiece, the turning block is pulled towards the side far away from the fixed block, the sliding block slides towards the direction far away from the fixed block in the sliding groove, after the clamping groove is far away from the clamping block, the turning block is rotated by 180 degrees around the turning rod, the clamping block at the other end of the turning block is aligned to the clamping groove, then the turning block is pushed towards the side near the fixed block, the sliding block slides towards the direction near the fixed block in the sliding groove, when the clamping block is completely clamped in the clamping groove, the second fastening screw rod is rotated to enable the second fastening screw rod to move towards the side near the turning block and finally abut against the side wall of the turning block, the turning block is in an immovable state at the moment, the exchange of the two ends of a workpiece is completed, then the spindle box is.

7) And taking down the workpiece: and controlling the main spindle box to stop rotating the rotating shaft, closing the liquid spraying valve, closing the driving motor, closing the water suction pump, powering off the second electromagnet, adjusting the clamping block to the direction away from the center of the clamping through groove to enable the clamping block not to clamp the workpiece any more, and taking the workpiece out of the clamping through groove.

Through adopting the technical scheme, compared with the prior art, the inclination angle and the adjustment offset of the clamping device can be adjusted by the use method, the workpiece can be obliquely rotated with a certain offset, the operation is simple, workers can easily operate, only one-time clamping is needed to be carried out on the workpiece in the machining process, the coaxiality of two ends of the workpiece is improved, when the height of the tool rest is adjusted, the adjusting step is simple, the structure is stable, in the machining process of the workpiece, cooling liquid can be recycled, the waste of the cooling liquid is reduced, the environment-friendly effect is achieved, the generated scrap iron can be timely cleaned, and the condition that the normal work of a lathe is influenced by the accumulation of the scrap iron is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an adjusting device according to an embodiment of the present invention.

FIG. 3 is a schematic view of a clamping device according to an embodiment of the present invention.

Fig. 4 is a schematic view of the structure of the tool holder and the base plate in the embodiment of the invention.

Fig. 5 is a schematic structural diagram of a positioning device in an embodiment of the present invention.

FIG. 6 is a schematic view of a cooling device according to an embodiment of the present invention.

FIG. 7 is a schematic view of the anti-clogging device according to the embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a tilting device according to an embodiment of the present invention.

Fig. 9 is a schematic view of the structure in the direction of a-a in fig. 8.

The labels in the figures are:

1-frame, 4-feeding box, 401-tool holder, 402-bottom plate, 403-gear groove, 404-rod body, 405-transmission gear, 406-handwheel, 407-rack, 408-insulating ring, 409-reset spring, 4010-first electromagnet, 4011-iron block, 5-main spindle box, 501-rotating shaft, 502-rotating disk, 503-first plate body, 504-second plate body, 505-hinged block, 506-control block, 507-control groove, 508-threaded rod, 509-moving block, 5010-threaded groove, 5011-locking spring, 5012-adjusting rod, 5013-adjusting groove, 5014-reversing gear, 601-cooling water tank, 602-spraying pipe, 6021-liquid spraying valve, 603-sprayer, 604-water outlet pipe, 605-filter screen, 606-second electromagnet, 607-water pipe, 608-water pump, 7-clamping device, 701-fixed block, 702-rotating block, 703-matching block, 704-sliding groove, 705-sliding block, 706-rotating rod, 707-clamping block, 708-clamping groove, 709-clamping through groove, 7010-clamping block, 7011-third threaded through hole, 7012-second fastening screw, 801-scrap iron outlet, 802-vibrating plate, 803-driving motor, 804-motor shaft, 805-eccentric wheel, 806-compression spring, 9-moving plate, 901-first threaded through hole, 902-adjusting screw, 903-first mounting block, 904-adjusting block, 905-limiting groove, 906-limiting rod, water pump, 907-fastening device, 101-cold air box, 102-air outlet pipe, 103-gas injection pipe, 104-air pump, 105-temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-9, the present invention discloses a lathe for machining an inner inclined surface of a valve seat, including a frame 1, and a spindle box 5 disposed on the frame 1, wherein an output end of the spindle box 5 is provided with a rotating shaft 501, and the rotating shaft 501 is provided with a clamping device 7 for clamping a workpiece, in a specific embodiment of the present invention: a tilting device for tilting the clamping device 7 relative to the rotating shaft 501 and an adjusting device for radially offsetting the clamping device 7 along the rotating shaft 501 are arranged between the rotating shaft 501 and the clamping device 7.

Through adopting above-mentioned technical scheme, adjust the tilting means, make the axis of clamping device 7 and the axis of pivot 501 be an inclination, adjustment adjusting device makes and has certain offset between the axis of clamping device 7 and the axis of pivot 501, like this with the work piece clamping on clamping device 7, start headstock 5 and drive pivot 501 and rotate, pivot 501 can drive the work piece off-centre and the rotation of slope, also can turn out the eccentric disk seat that just is the inclined plane of hole like this under the circumstances of lathe straight line feed, for prior art, this structure can make current lathe turn out the disk seat that the hole is the inclined plane and the hole has certain offset.

In a specific embodiment of the invention: the tilting device comprises a first plate body 503 and a second plate body 504, wherein one side of the first plate body 503 is provided with a hinged block 505, one end of the second plate body 504 is rotatably connected with the hinged block 505, one side of the movable end of the first plate body 503, which is close to the second plate body 504, is provided with a control block 506, the upper surface of the control block 506 is provided with a control groove 507, a threaded rod 508 is arranged in the control groove 507, the upper end of the control block 506 is provided with a moving block 509, the bottom surface of the moving block 509 is provided with a threaded groove 5010, the upper end of the threaded rod 508 is in threaded connection with the threaded groove 5010, the bottom surface of the threaded groove 5010 is provided with a locking spring 5011, one end of the locking spring 5011, which is far away from the bottom surface of the threaded groove 5010, the upper end of the moving block 509 is hinged with the movable end of the second plate body 504 and one side which is, one end of the adjusting rod 5012, which is far away from the adjusting slot 5013, penetrates through the side wall of the control block 506 and is in transmission connection with the bottom end of the threaded rod 508 through a pair of reversing gears 5014.

By adopting the technical scheme, a tool matched with the adjusting groove 5013 is inserted into the adjusting groove 5013 to rotate, the adjusting groove 5013 rotates to drive the adjusting rod 5012 to rotate, the adjusting rod 5012 drives the threaded rod 508 to rotate through the reversing gear 5014, the upper end of the threaded rod 508 is in threaded connection with the threaded groove 5010, so that the moving block 509 moves upwards or downwards relative to the control block 506 according to the rotation direction of the tool, one end of the second plate 504 is hinged with the hinge block 505, the upper end of the moving block 509 is hinged with the movable end of the second plate 504, so that the angle of the second plate 504 relative to the first plate 503 is increased or decreased to adjust the inclination angle, the locking spring 5011 is positioned in the threaded groove 5010 to play a role in locking the threaded rod 508, so that the whole structure is more stable, one side of the first plate 503 far away from the second plate 504 is fixedly connected with the turntable 502, the clamping device 7 is fixedly connected with one side of the, therefore, the workpiece is clamped on the clamping device 7, the spindle box 5 drives the rotating shaft 501 to rotate, and the rotating shaft 501 can drive the workpiece to rotate obliquely.

In a specific embodiment of the invention: the adjusting device comprises a moving plate 9, a first threaded through hole 901 vertically penetrating through the upper surface and the lower surface of the moving plate 9 is formed in the middle of the upper surface of the moving plate 9, an adjusting screw 902 is connected to the first threaded through hole 901 in an internal thread manner, first mounting blocks 903 are arranged on the upper side and the lower side of the moving plate 9 respectively, the first mounting blocks 903 are fixedly connected with a turntable 502, two ends of the adjusting screw 902 extend to the outside of the first threaded through hole 901 and penetrate through the first mounting blocks 903 respectively to form adjusting blocks 904, a limiting groove 905 penetrating through the front surface and the rear surface of the moving plate 9 is formed in the moving plate 9, a limiting rod 906 is arranged in the limiting groove 905, one end of the limiting rod 906 penetrates through the limiting groove 905 and then is fixedly connected with the turntable 502, and fastening devices 907 for fastening the moving.

By adopting the technical scheme, the first mounting block 903 is used for limiting the moving plate 9 to move along the direction vertical to the axis of the first threaded through hole 901, the adjusting block 904 is used for limiting the adjusting screw 902 to move along the axis, when the radial offset is adjusted, the adjusting block 904 is rotated, the adjusting block 904 drives the adjusting screw 902 to rotate, the middle part of the adjusting screw 902 is positioned in the first threaded through hole 901 and is in threaded connection with the first threaded through hole 901, due to the limiting effect of the adjusting block 904, the adjusting screw 902 does not move, so that the moving plate 9 starts to move up and down to adjust the offset, the moving plate 9 is provided with the limiting groove 905, the limiting rod 906 is arranged in the limiting groove 905, when the moving plate 9 moves, the limiting groove 905 and the limiting rod 906 jointly act to limit the rotating of the moving plate 9, the fastening device 907 is used for clamping the moving plate 9, when the radial offset is adjusted, the fastening device 907 does not clamp the moving plate 9, the moving plate 9 can move easily, after the adjustment is completed, the fastening device 907 clamps the moving plate 9, the stability of the moving plate 9 is guaranteed, and the structure is simple to operate, convenient to adjust and stable in structure.

In a specific embodiment of the invention: the feeding box 4 is arranged on the machine frame 1, the tool rest 401 is arranged on the feeding box 4, the clamping device 7 comprises a fixed block 701 and a rotating block 702, two matching blocks 703 are symmetrically arranged on one side of the fixed block 701 up and down, the rotating block 702 is positioned between the two matching blocks 703, sliding grooves 704 are arranged on the opposite side walls of the matching blocks 703, the sliding grooves 704 are arranged along the length direction of the matching blocks 703, sliding blocks 705 are arranged in the sliding grooves 704 in a sliding manner, rotating rods 706 are arranged in the middle parts of the upper side wall and the lower side wall of the rotating block 702, one end of the rotating rod 706, far away from the rotating block 702, is rotatably connected with the sliding blocks 705, clamping blocks 707 are arranged at the left end and the right end of the rotating block 702, clamping grooves 708 matched with the clamping blocks 707 are arranged on the side wall of one side, close to the rotating block 702, and opposite to the clamping blocks, the middle part of the clamping through groove 709 is provided with a clamping block 7010 for clamping a workpiece, a third threaded through hole 7011 penetrating through the upper surface and the lower surface of the matching block 703 is formed in the matching block 703, a second fastening screw 7012 is arranged on one side, far away from the rotating block 702, of the matching block 703, and the threaded end of the second fastening screw 7012 is in threaded connection with the third threaded through hole 7011 and then abuts against the side wall of the rotating block 702.

By adopting the technical scheme, for the workpiece of which both ends need to be turned, the workpiece is placed in the clamping through groove 709 and clamped by the clamping block 7010 during clamping, after one end is turned, the second fastening screw 7012 is rotated to enable the second fastening screw 7012 to move towards the side far away from the rotating block 702, the rotating block 702 is pulled towards the side far away from the fixed block 701, at the moment, the fixture block 707 of the rotating block 702 close to one end of the clamping groove 708 is far away from the clamping groove 708, the rotating block 702 is rotated 180 degrees by taking the rotating rod 706 as the center, the unprocessed end of the workpiece faces towards the cutter, then the rotating block 702 is pushed towards the side close to the fixed block 701 until the fixture block 707 of the rotating block 702 close to one end of the clamping groove 708 is clamped in the clamping groove 708, then the second fastening screw 7012 is rotated to enable the second fastening screw 7012 to move towards the side close to the rotating block 702 and finally abut against the side wall of the rotating block 702, at the moment, the rotating block 702, the sliding groove 704 and the sliding block 705 are matched with each other to avoid lateral deviation of the rotating block 702 in the moving process, two second fastening screw rods 7012 are arranged on each matching block 703, and the two second fastening screw rods 7012 are distributed on two sides of the same matching block 703, so that the rotating block 702 can be clamped more stably.

In a specific embodiment of the invention: the bottom surface of the knife rest 401 is an inclined plane, the bottom plate 402 is arranged below the knife rest 401, the upper surface of the bottom plate 402 is an inclined plane matched with the bottom surface of the knife rest 401, a gear groove 403 is arranged in the middle of the upper surface of the bottom plate 402, a rod body 404 is arranged in the gear groove 403, the horizontal rotation of the rod body 404 is arranged in the gear groove 403, one end of the rod body 404 penetrates through the side wall of the gear groove 403 and then extends to the outside of the bottom plate 402, one end, located at the outside of the bottom plate 402, of the rod body 404 is provided with a hand wheel 406, the outer wall, located in the gear groove 403, of the rod body 404 is sleeved with a transmission gear 405, the middle of the bottom surface of the knife rest 401 is provided with a rack 407 matched with the transmission gear.

By adopting the technical scheme, the bottom surface of the tool rest 401 is an inclined surface, the upper surface of the bottom plate 402 is an inclined surface matched with the bottom surface of the tool rest 401, when the height of the tool rest 401 needs to be adjusted, a worker rotates a hand wheel 406, the hand wheel 406 is connected with one end of the rod body 404 positioned outside the bottom plate 402, the hand wheel 406 drives the rod body 404 to rotate, a transmission gear 405 is sleeved on the outer wall of the rod body 404 positioned in the gear groove 403, the rod body 404 drives the transmission gear 405 to rotate, a rack 407 is arranged in the middle of the bottom surface of the tool rest 401 along the inclined direction, the transmission gear 405 is meshed and connected with the rack 407, so that the tool rest 401 moves up and down along the inclined surface to adjust the height, a clamping device used for limiting the rotation of the rod body 404 is arranged on the outer wall of the bottom plate 402, when the, compared with the prior art, the height of the tool rest 401 is convenient to adjust, and the structure is stable.

In a specific embodiment of the invention: clamping device establishes the clamp ring 408 on the body of rod 404 outer wall including the cover, clamp ring 408 one side lateral wall and bottom plate 402 lateral wall fixed connection, be equipped with reset spring 409 on the clamp ring 408 inner wall, the one end that clamp ring 408 was kept away from to reset spring 409 is equipped with first electro-magnet 4010, be equipped with iron plate 4011 along circumference on the body of rod 404 and the relative outer wall of first electro-magnet 4010.

By adopting the technical scheme, the clamping device comprises an insulating ring 408 sleeved on the outer wall of the rod body 404, the side wall of one side of the insulating ring 408 is fixedly connected with the side wall of the bottom plate 402, a return spring 409 is arranged on the inner wall of the insulating ring 408, a first electromagnet 4010 is arranged at one end, far away from the insulating ring 408, of the return spring 409, an iron block 4011 is arranged on the outer wall, opposite to the first electromagnet 4010, of the rod body 404 along the circumferential direction, the first electromagnet 4010 is electrically connected with the distribution box, when the lathe works, the first electromagnet 4010 is electrified to generate magnetism, so that the first electromagnet 4010 moves towards one side close to the iron block 4011 and finally is attracted to limit the rotation of the rod body 404 on the iron block 4011, the first electromagnet 4010 moves and simultaneously elongates the return spring 409, when the height of the tool rest 401 needs to be adjusted, the first electromagnet 4010 is powered off and loses magnetism, the return spring 409 resets and pulls the first, the rod body 404 is not limited any more, the hand wheel 406 is rotated to adjust the height of the tool rest 401, the first electromagnet 4010 is electrified after the adjustment is completed, the rod body 404 is limited again, and the structure is simple to operate and stable in structure.

In a specific embodiment of the invention: be equipped with cooling device on feed box 4, cooling device includes coolant tank 601, be equipped with spray tube 602 on the lateral wall of coolant tank 601 one side, be equipped with hydrojet valve 6021 on the spray tube 602, the one end that coolant tank 601 was kept away from to spray tube 602 is equipped with shower nozzle 603, be equipped with outlet pipe 604 in the frame 1, outlet pipe 604 upper portion is leaks hopper-shaped, outlet pipe 604 inner wall upper portion is equipped with filter screen 605, outlet pipe 604 inner wall just is located filter screen 605 below and is equipped with second electro-magnet 606, outlet pipe 604 bottom is equipped with raceway 607, the one end that outlet pipe 604 was kept away from to raceway 607 passes behind the coolant tank 601 lateral wall top with the inside intercommunication of coolant tank 601, be equipped with suction pump 608 on the.

By adopting the technical scheme, the cooling device is arranged on the feeding box 4, which is convenient for moving along with the cutter to cool the cutter in real time, the cooling device comprises a cooling water tank 601, a spray pipe 602 is arranged on the side wall of one side of the cooling water tank 601, the direction of the spray pipe 602 can be freely adjusted, a spray head 603 is arranged on the spray pipe 602, a spray valve 6021 is arranged on the spray pipe 602, the spray valve 6021 is opened to enable the cooling liquid in the cooling water tank 601 to enter the spray pipe 602 and spray out the cooling liquid through the spray head 603 to cool the workpiece and the cutter, a water outlet pipe 604 is arranged on the rack 1, the upper part of the water outlet pipe 604 is funnel-shaped, which is convenient for the concentrated collection of the cooling liquid, a filter screen 605 is arranged on the upper part of the inner wall of the water outlet pipe 604, the filter screen 605 can filter larger iron filings, the lathe during operation is circular telegram for second electro-magnet 606, then second electro-magnet 606 produces magnetism and adsorbs the less iron fillings that mix with in the coolant liquid, outlet pipe 604 bottom is equipped with raceway 607, the coolant liquid of getting rid of iron fillings gets into raceway 607, the one end and the inside intercommunication of coolant tank 601 that outlet pipe 604 were kept away from to raceway 607, be equipped with suction pump 608 on raceway 607, suction pump 608 pours the coolant liquid in raceway 607 into coolant tank 601, compare with prior art, the cyclic utilization of coolant liquid has been realized to this structure, the waste of coolant liquid has been reduced, environmental protection more.

In a specific embodiment of the invention: frame 1 bottom surface is equipped with iron fillings export 801, be equipped with anti-clogging device in the iron fillings export 801, anti-clogging device includes vibration board 802, vibration board 802 one end is connected with iron fillings export 801 inner wall rotation, the slope of the vibration board 802 other end sets up down, frame 1 bottom surface is equipped with driving motor 803, the driving motor 803 output is equipped with motor shaft 804, be equipped with eccentric wheel 805 on the motor shaft 804, eccentric wheel 805 outer fringe offsets with vibration board 802 bottom surface, vibration board 802 bottom surface is equipped with compression spring 806, the one end and the frame 1 bottom fixed connection of vibration board 802 are kept away from to compression spring 806.

By adopting the technical scheme, the anti-blocking device is arranged in the iron scrap outlet 801 and comprises a vibration plate 802, one end of the vibration plate 802 is rotatably connected with the inner wall of the iron scrap outlet 801, the other end of the vibration plate 802 is arranged obliquely downwards, a driving motor 803 is arranged on the bottom surface of the frame 1, the output end of the driving motor 803 is connected with a motor shaft 804, an eccentric wheel 805 is connected on the motor shaft 804, the driving motor 803 is started to drive the motor shaft 804 to rotate when the lathe works, the motor shaft 804 drives the eccentric wheel 805 to rotate, the outer edge of the eccentric wheel 805 abuts against the bottom surface of the vibration plate 802, so that the eccentric wheel 805 drives the vibration plate 802 to swing up and down while rotating, the iron scrap can be vibrated, the iron scrap is discharged in time, the iron scrap is prevented from accumulating in the iron scrap outlet 801, a compression spring 806 is arranged on the bottom surface of, can assist vibration board 802 swing, avoid vibration board 802 to be blocked by iron fillings, compare with prior art, this structure makes the discharge of iron fillings more timely, has improved work efficiency.

In a specific embodiment of the invention: the outer wall of the spindle box 5 is provided with a cold air box 101, the cold air box 101 is provided with an air outlet pipe 102, the air outlet pipe 102 is provided with an air pump 104, one end of the air outlet pipe 102, which is far away from the cold air box 101, is provided with an air jet pipe 103, an air jet port of the air jet pipe 103 faces the spindle box 5, the outer wall of the spindle box 5 is provided with a temperature sensor 105, and the temperature sensor 105 is electrically connected with the air pump 104.

By adopting the technical scheme, the cold air box 101 is arranged on the outer wall of the main spindle box 5, the air outlet pipe 102 is arranged on the cold air box 101, the air outlet pipe 102 is provided with the air pump 104, the end of the air outlet pipe 102 far away from the cold air box 101 is provided with the air jet pipe 103, the air jet port of the air jet pipe 103 faces the main spindle box 5, a temperature sensor 105 is arranged on the outer wall of the main spindle box 5, when the rotating shaft 501 rotates, particularly rotates at high speed, the spindle box 5 generates a large amount of heat, the temperature sensor 105 can monitor the temperature of the spindle box 5 in real time, the temperature sensor 105 is electrically connected with the suction pump 104, when the temperature of the main spindle box 5 is overhigh, the air pump 104 starts to pump the cold air in the cold air box 101, the cold air passes through the air outlet pipe 102 and is sprayed on the surface of the main spindle box 5 through the air spraying pipe 103 to cool the main spindle box 5, compared with the prior art, the structure can cool the spindle box 5 in time, and avoids overheat damage of the spindle box 5.

1) and adjusting the inclination angle: a tool matched with the adjusting groove 5013 is inserted into the adjusting groove 5013 to rotate, the adjusting groove 5013 rotates to drive the adjusting rod 5012 to rotate, the adjusting rod 5012 drives the threaded rod 508 to rotate through the reversing gear 5014, the threaded rod 508 moves upwards or downwards in the threaded groove 5010 to simultaneously press or stretch the locking spring 5011, the moving block 509 moves upwards or downwards relative to the control block 506 according to the rotation direction of the tool, and then the angle of the second plate 504 relative to the first plate 503 is increased or decreased to adjust the inclination angle.

2) Adjusting offset: adjusting the fastening device 907 to be away from the moving plate 9, at this time, the moving plate 9 is in a movable state, rotating the adjusting block 904, the adjusting block 904 drives the adjusting screw 902 to rotate, the adjusting screw 902 drives the moving plate 9 to move upwards or downwards, the limiting rod 906 is not moved in the moving process of the moving plate 9, the limiting groove 905 moves upwards or downwards relative to the limiting rod 906, when the required offset is adjusted, stopping rotating the adjusting block 904, at this time, the adjusting screw 902 stops rotating, the moving plate 9 stops moving, the limiting groove 905 also stops moving relative to the limiting rod 906, adjusting the fastening device 907 to be close to the moving plate 9 and finally abut against the side wall of the moving plate 9, at this time, the moving plate 9 is in an immovable state, and the adjustment of the.

3) And clamping the workpiece: the clamping block 7010 is adjusted in the direction away from the center of the clamping through groove 709 to reserve a workpiece placing space, the workpiece is placed in the clamping through groove 709, the center of the workpiece is aligned with the clamping block 7010, the clamping block 7010 is adjusted in the direction close to the workpiece, and finally the clamping block 7010 clamps the workpiece.

4) And clamping the cutter: the cutter is fixed on the upper part of a cutter rest 401, the feeding box 4 is moved towards the workpiece to enable the cutter to be close to the workpiece, the first electromagnet 4010 is powered off, the rod body 404 can rotate freely at the moment, the hand wheel 406 is rotated to drive the rod body 404 to rotate, the rod body 404 drives the transmission gear 405 to rotate, the transmission gear 405 and the rack 407 are meshed for transmission to enable the cutter rest 401 to be close to or far away from the bottom plate 402 to adjust the height of the cutter rest 401, when the cutter rest 401 is adjusted to a proper height, the first electromagnet 4010 is powered on, the first electromagnet 4010 generates magnetism to attract an iron block 4011 on the rod body 404, and at the moment, the rotation of the rod.

5) Tool setting: the spindle box 5 is started to enable the rotating shaft 501 to rotate at a low speed, the rotating shaft 501 drives the rotating disc 502 to rotate at a low speed, the rotating disc 502 drives the moving plate 9 to rotate at a low speed, the moving plate 9 drives the first plate body 503 to rotate eccentrically at a low speed, the second plate body 504 rotates obliquely at a low speed relative to the first plate body 503, the second plate body 504 drives the clamping device 7 and the workpiece to rotate eccentrically at a low speed, the feeding box 4 is slowly moved towards the direction close to the workpiece, so that the cutter is close to the workpiece, and when the tool tip of the cutter just cuts the workpiece, the feeding box 4 is stopped from moving to.

6) And processing one end of the workpiece: adjusting a spindle box 5 to enable a rotating shaft 501 to rotate at a proper rotating speed, enabling the rotating shaft 501 to drive a rotating disc 502 to rotate at a proper rotating speed, enabling the rotating disc 502 to drive a moving plate 9 to rotate at a proper rotating speed, enabling the moving plate 9 to drive a first plate body 503 to eccentrically rotate at a proper rotating speed, enabling a second plate body 504 to obliquely rotate relative to the first plate body 503 at a proper rotating speed, enabling a clamping device 7 and a workpiece to eccentrically rotate obliquely at a proper rotating speed, enabling a spray head 603 of a spray pipe 602 to be aligned with a cutting edge of a tool, opening a spray valve 1 to spray cooling liquid, starting a driving motor 803 to drive a motor shaft 804 to rotate, enabling the motor shaft 804 to drive an eccentric wheel 805 to rotate, enabling the eccentric wheel 805 to drive a vibrating plate 802 to vibrate up and down, energizing a second electromagnet 606, starting a water suction pump 608, moving a feeding box 4 to feed according to a required feeding, moving the feeding box 4 to enable the cutter to be far away from the workpiece, closing the liquid spraying valve 6021, closing the driving motor 803, closing the water pump 608, rotating the second fastening screw 7012 to enable the second fastening screw to be far away from the side wall of the rotating block 702, at the moment, enabling the rotating block 702 to be in a movable state, pulling the rotating block 702 to the side far away from the fixed block 701, enabling the sliding block 705 to slide in the direction far away from the fixed block 701 in the sliding groove 704, rotating the rotating block 702 around the rotating rod 706 for 180 degrees after the clamping block 707 is far away from the clamping groove 708, enabling the clamping block 707 at the other end of the rotating block 702 to be aligned with the clamping groove 708, then pushing the rotating block 702 to the side close to the fixed block 701, enabling the sliding block 705 to slide in the direction close to the fixed block 701 in the sliding groove 704, when the clamping block 707 is completely clamped in the clamping groove 708, rotating the second fastening screw 7012 to, and finishing the exchange of the two ends of the workpiece, starting the main spindle box 5 to rotate the workpiece, moving the feeding box 4 to feed according to the requirement, and processing the other end of the workpiece.

7) And taking down the workpiece: the spindle box 5 is controlled to stop the rotation of the rotating shaft 501, the liquid spraying valve 6021 is closed, the driving motor 803 is closed, the water suction pump 608 is closed, the second electromagnet 606 is powered off, the clamping block 7010 is adjusted towards the direction away from the center of the clamping through groove 709 to enable the clamping block to not clamp the workpiece any more, and the workpiece is taken out of the clamping through groove 709.

Through adopting the technical scheme, compared with the prior art, the inclination angle and the adjustment offset of clamping device 7 can be adjusted to this application method, make the work piece can take certain offset slope to rotate, and the manipulation is simple, the workman is easy to do, only need carry out a clamping to the work piece in the course of working, the axiality at work piece both ends has been improved, when adjusting knife rest 401 height, the adjustment step is simple, moreover, the steam generator is stable in structure, in the work piece course of working, can retrieve the reuse to the coolant liquid, the waste of coolant liquid has been reduced, and is more environment-friendly, can in time clear up the iron fillings that produce, avoid iron fillings to pile up the normal work that influences the lathe.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a lathe for inclined plane processing in disk seat, includes the frame, establishes the headstock in the frame, the headstock output is equipped with the pivot, be equipped with the clamping device who is used for centre gripping work piece in the pivot, its characterized in that: and an inclining device for inclining the clamping device relative to the rotating shaft and an adjusting device for radially offsetting the clamping device along the rotating shaft are arranged between the rotating shaft and the clamping device.

2. A lathe for beveling a valve seat according to claim 1 wherein: the tilting device comprises a first plate body and a second plate body, wherein one side of the first plate body is provided with a hinging block, one end of the second plate body is rotationally connected with the hinging block, one side of the movable end of the first plate body, which is close to the second plate body, is provided with a control block, the upper surface of the control block is provided with a control groove, a threaded rod is arranged in the control groove, the upper end of the control block is provided with a moving block, the bottom surface of the moving block is provided with a thread groove, the upper end of the threaded rod is in threaded connection with the thread groove, the bottom surface of the thread groove is provided with a locking spring, one end of the locking spring, which is far away from the bottom surface of the threaded groove, is fixedly connected with the upper end of the threaded rod, the upper end of the moving block is hinged with one side of the movable end of the second plate body, which is close to the first plate body, the side wall of the control block is provided with an adjusting rod, one end of the adjusting rod is provided with an adjusting groove, and the end, far away from the adjusting groove, of the adjusting rod penetrates through the side wall of the control block and is connected with the bottom end of the threaded rod through a pair of reversing gears in a transmission mode.

3. A lathe for beveling a valve seat according to claim 2 wherein: adjusting device includes the movable plate, movable plate upper surface middle part is equipped with the vertical first screw thread through-hole that runs through movable plate upper and lower surface, first screw thread through-hole female connection has adjusting screw, both sides all are equipped with first installation piece about the movable plate, first installation piece and carousel fixed connection, the adjusting screw both ends all extend to first screw thread through-hole outside and all run through fixedly connected with regulating block behind the first installation piece, be equipped with the spacing groove that runs through movable plate front and back surface on the movable plate, the spacing inslot is equipped with the gag lever post, gag lever post one end pass behind the spacing groove with carousel fixed connection, the movable plate left and right sides all is equipped with the fastener who is used for fastening the movable plate.

4. A lathe for beveling a valve seat according to claim 3 wherein: the machine frame is provided with a feeding box, the feeding box is provided with a knife rest, the clamping device comprises a fixed block and a rotating block, one side of the fixed block is provided with two matching blocks in a vertical symmetry manner, the rotating block is positioned between the two matching blocks, the opposite side walls of the matching blocks are provided with sliding grooves, the sliding grooves are arranged along the length direction of the matching blocks, sliding blocks are arranged in the sliding grooves in a sliding manner, the middle parts of the upper side wall and the lower side wall of the rotating block are respectively provided with a rotating rod, one end of the rotating rod, far away from the rotating block, is rotatably connected with the sliding blocks, the left end and the right end of the rotating block are respectively provided with a clamping block, the position, close to one side of the rotating block, of the fixed block, opposite to the clamping block is provided with a clamping groove matched with the clamping, and a third threaded through hole penetrating through the upper surface and the lower surface of the matching block is formed in the matching block, a second fastening screw rod is arranged on one side, away from the rotating block, of the matching block, and the threaded end of the second fastening screw rod is in threaded connection with the third threaded through hole and then abuts against the side wall of the rotating block.

5. A lathe for beveling a valve seat according to claim 4 wherein: the utility model discloses a gear box, including the knife rest, knife rest bottom surface, bottom plate upper surface, gear groove lateral wall, the knife rest bottom surface is the inclined plane, the knife rest below is equipped with the bottom plate, the bottom plate upper surface is the inclined plane with knife rest bottom surface looks adaptation, bottom plate upper surface middle part is equipped with the gear groove, the gear inslot is equipped with the body of rod, the body of rod level is rotated and is set up at the gear inslot, body of rod one end extends to the bottom plate outside after running through the gear groove lateral wall, the body of rod is located the outside one end of bottom plate and is equipped with the hand wheel, the body of rod is located the cover on the outer wall of gear groove and is equipped with.

6. A lathe for beveling a valve seat according to claim 5 wherein: the clamping device comprises an insulating ring sleeved on the outer wall of the rod body, one side wall of the insulating ring is fixedly connected with the side wall of the bottom plate, a reset spring is arranged on the inner wall of the insulating ring, one end, far away from the insulating ring, of the reset spring is provided with a first electromagnet, and an iron block is arranged on the outer wall, opposite to the first electromagnet, of the rod body along the circumferential direction.

7. The lathe for beveling a valve seat according to claim 6, wherein: the cooling device is arranged on the feeding box and comprises a cooling water tank, a spray pipe is arranged on the side wall of one side of the cooling water tank, a liquid spraying valve is arranged on the spray pipe, one end, away from the cooling water tank, of the spray pipe is provided with a spray head, a water outlet pipe is arranged on the frame, the upper portion of the water outlet pipe is funnel-shaped, a filter screen is arranged on the upper portion of the inner wall of the water outlet pipe, the inner wall of the water outlet pipe is located below the filter screen and is provided with a second electromagnet, the bottom of the water outlet pipe is provided with a water delivery pipe, one end, away from the water outlet pipe.

8. The lathe for beveling a valve seat according to claim 7, wherein: the iron scrap outlet is formed in the bottom surface of the frame, the anti-blocking device is arranged in the iron scrap outlet and comprises a vibrating plate, one end of the vibrating plate is connected with the inner wall of the iron scrap outlet in a rotating mode, the other end of the vibrating plate is arranged downwards in an inclined mode, the bottom surface of the frame is provided with a driving motor, the output end of the driving motor is provided with a motor shaft, an eccentric wheel is arranged on the motor shaft, the outer edge of the eccentric wheel abuts against the bottom surface of the vibrating plate, a compression spring is arranged on the bottom surface of the vibrating plate.

9. A lathe for beveling a valve seat according to claim 8 wherein: the gas exhaust device is characterized in that a cold air box is arranged on the outer wall of the spindle box, a gas outlet pipe is arranged on the cold air box, a gas suction pump is arranged on the gas outlet pipe, a gas ejector pipe is arranged at one end, far away from the cold air box, of the gas outlet pipe, a gas ejector port of the gas ejector pipe faces the spindle box, a temperature sensor is arranged on the outer wall of the spindle box, and the temperature sensor is electrically.

10. The use method of the lathe for machining the inner inclined surface of the valve seat is characterized by comprising the following steps: the method comprises the following specific steps: