CN114799891A - Numerical control machine tool for large-scale steamship diesel engine cylinder sleeve - Google Patents
Numerical control machine tool for large-scale steamship diesel engine cylinder sleeve Download PDFInfo
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- CN114799891A CN114799891A CN202210465544.XA CN202210465544A CN114799891A CN 114799891 A CN114799891 A CN 114799891A CN 202210465544 A CN202210465544 A CN 202210465544A CN 114799891 A CN114799891 A CN 114799891A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
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Abstract
The invention relates to the technical field of manufacturing of ship cylinder liners, in particular to a numerical control machine tool for a large-scale ship diesel engine cylinder liner, which comprises a base and a ship cylinder liner, wherein the base is provided with a lathe for clamping the ship cylinder liner, a horizontal machining machine tool for machining the ship cylinder liner is arranged beside the base, and a collecting tank for collecting scraps is arranged on the base and below the ship cylinder liner, so that the problems that the traditional machining is generally that the ship cylinder liner is vertically placed and then starts to operate, but when the ship cylinder liner is vertically placed, a product is more than 4 meters high, only holes in a half length position can be machined, more than 30 light waist holes in the top of the ship cylinder liner are needed to be rotated for a certain angle after holes in a half length position are machined each time, and then holes in the other half length position are machined are solved, so that the machining is inconvenient, and the working efficiency is very slow, and in addition, the cylinder sleeve of the ship is too large and is placed vertically, so that the cylinder sleeve is not safe and inconvenient to process.
Description
Technical Field
The invention relates to the technical field of manufacturing of cylinder sleeves of ship diesel engines, in particular to a numerical control machine tool for the cylinder sleeves of large ship diesel engines.
Background
The cylinder sleeve of the ship diesel engine is a cylindrical part, is arranged in a cylinder body hole of a machine body, and is compressed and fixed by a cylinder cover. The piston makes reciprocating motion in its hole, its exterior has cooling water to cool, the cylinder liner inner surface is acted by high-temperature high-pressure gas directly, and always produce high-speed sliding friction with piston ring and piston skirt, the exterior contacts with cooling water, produce the severe thermal stress under the great temperature difference, corrode by cooling water, the side thrust of the piston to the cylinder liner not only aggravates its inner surface friction, and make it produce the bending, when the side thrust changes the direction, the piston still strikes the cylinder liner, in addition also receive the great installation pretightening force, the gas pressure makes the cylinder wall produce the tangential tensile stress and radial compressive stress, and in the inner surface is the biggest, this kind of stress is the high-frequency pulsating stress, because of the cylinder wall inner and outer temperature difference produces the very large thermal stress, make the inner surface produce the compressive stress and the cooling surface has the tensile stress under the ordinary temperature.
The ship cylinder sleeve needs to be subjected to various processes in the manufacturing process, such as: drilling, tapping, hole milling and lettering, the cylinder sleeve of a ship diesel engine is generally vertically placed in the traditional processing, then operation is started, when the cylinder sleeve is vertically placed, the product is more than 4 meters high, the cylinder sleeve can only process holes at half length positions, the number of the holes of the cylinder sleeve of the ship diesel engine from head to tail is more than 30, after the holes at half length positions are processed each time, the cylinder sleeve needs to be dismounted, a workpiece is turned around for re-installation, and then the holes at the other half length positions are processed, so that the processing is inconvenient, the working efficiency is slow, in addition, the cylinder sleeve of the ship is too large, the cylinder sleeve is vertically placed, the numerical control machine is not safe and inconvenient to process, and in order to solve the problems, the numerical control machine tool for the cylinder sleeve of the large-scale ship diesel engine is provided.
Disclosure of Invention
Technical problem to be solved
The problems that the cylinder sleeve of the ship diesel engine is generally vertically placed and then starts to operate in the traditional processing process, but when the cylinder sleeve of the ship diesel engine is vertically placed, a product is more than 4 meters high, the cylinder sleeve can only process holes at half length positions, the cylinder sleeve of the ship diesel engine is provided with more than 30 porous polished kidney holes from head to tail, the cylinder sleeve needs to be dismounted after the holes at half length positions are processed each time, a workpiece is turned around and then installed again, and then the holes at the other half length positions are processed are solved.
(II) technical scheme
The utility model provides a digit control machine tool for large-scale steamer diesel engine cylinder jacket, including the base, it has high accuracy pair helical pitch worm gear pair to be provided with the headstock that is used for pressing from both sides tight cylinder jacket on the base and has the rotatory main shaft graduation of closed loop control that servo motor realizes through high resolution encoder feedback to the system, the next door of base is provided with the lathe that crouches that is used for processing the steamer cylinder jacket, there are tailstock and centre frame to do the support and withstand of centre and rear end to the cylinder jacket on the base guide rail, it has the hob to arrange the sweeps to collection bits case to open the collecting vat that is used for collecting the sweeps in both sides below the lathe.
As a preferred technical scheme, the lathe comprises a jaw device arranged at one end of a base and a clamping device arranged at the other end of the base, the jaw device comprises a case fixed on the base, a rotating shaft is horizontally and rotatably arranged in the case, a disc is fixed at one end of the rotating shaft, which faces the clamping device, the other end of the rotating shaft is provided with a first driving box, a first positioning head is fixed at the center of the disc, triangular jaws for clamping a ship cylinder sleeve are uniformly arranged on the disc and around the first positioning head, the first driving box is fixed on the case, a first gear and a first worm which are mutually meshed are arranged in the first driving box, the first gear is fixed on the rotating shaft, the first worm is horizontally and rotatably arranged in the first driving box, and a first motor for driving the first worm to rotate is fixed at one end of the first worm, and a caliper mechanism for inching and braking the rotating shaft is arranged in the case.
According to the preferable technical scheme, the clamping device comprises a rack fixed on a base, a shaft sleeve is horizontally fixed at the top of the rack, a second positioning head facing the first positioning head is horizontally and slidably mounted inside the shaft sleeve, a second driving box is arranged at the tail of the second positioning head and fixed on the base, a first screw is horizontally and rotatably mounted inside the second driving box and is in threaded connection with the second positioning head, a second gear and a second worm which are meshed with each other are arranged inside the second driving box, the second gear is fixed on the first screw, the second worm is horizontally and rotatably mounted inside the second driving box, one end of the second worm extends to the outside of the second driving box, and a rotary handle is fixed at the end.
As a preferred technical scheme, the caliper mechanism comprises a mounting plate fixed in a case, the rotating shaft penetrates through the mounting plate, a first caliper and a second caliper which can be used for tightly holding the rotating shaft are vertically and slidably mounted on the mounting plate, a first limiting rod and a second limiting rod are vertically and rotatably mounted in the case, the first limiting rod and the second limiting rod penetrate through two ends of the first caliper and the second caliper, the upper half part of the first limiting rod is provided with threads, the first limiting rod is in threaded connection with the first caliper, the lower half part of the second limiting rod is provided with threads with opposite rotation directions, the second limiting rod is in threaded connection with the second caliper, the top of the first limiting rod extends to the outside of the case, a second motor used for driving the first limiting rod to rotate is mounted at the end, a chain wheel is fixed at the top of the first limiting rod and the second limiting rod, a belt is sleeved outside the chain wheel, and a spot brake unit which can be used for tightly holding the rotating shaft is arranged on the first caliper and the second caliper, the two snub units are distributed in central symmetry.
As a preferred technical scheme, the snub brake unit comprises a sleeve which is rotatably embedded in a first caliper and a second caliper, the sleeve is in threaded connection with a first limiting rod or a second limiting rod, a rectangular groove is formed in the first caliper and the second caliper, a rectangular clamping block is arranged in the rectangular groove, a first spring is horizontally arranged at one end of the rectangular clamping block, which is far away from the sleeve, the other end of the rectangular clamping block is provided with a locking block in matched connection with the sleeve, one end of the first spring is fixedly connected with the inner wall of the rectangular groove, the other end of the first spring is fixedly connected with the side wall of the rectangular clamping block, a locking groove is formed in the side wall of the sleeve, the locking block is embedded in the locking groove, a triangular clamping groove with an inclined surface facing the first spring is formed in one side of the rectangular clamping block, a through groove is formed in the other side of the rectangular clamping block, a second spring is horizontally arranged in the through groove, one end of the second spring is fixedly connected with the through groove, and the other end of the second spring is fixedly connected with the locking block, the vertical kelly that is fixed with on the second calliper, inside the top of kelly extended to first calliper rectangular channel, the top shaping of kelly had the inclined plane towards first spring, and the top and the triangle draw-in groove joint of kelly, and telescopic top is provided with the ratchet pawl structure that is used for restricting the sleeve rotation.
As the preferred technical scheme, the ratchet wheel and pawl structure comprises a ratchet wheel fixed at the top of the sleeve, mounting grooves are formed in the first caliper and the second caliper, a third spring is arranged in each mounting groove, one end of each third spring is fixedly connected with the side wall of each mounting groove, a pawl is fixed at the other end of each third spring, and the pawl is connected with the ratchet wheel in a clamping mode.
As a preferred technical scheme, the horizontal machining machine comprises a bottom plate which is arranged on a base in a left-right sliding mode, a rack is arranged on the bottom plate in a front-back sliding mode, a cutter plate is arranged on the rack in a vertical sliding mode, and a cutter for machining a cylinder sleeve of a ship is arranged on the cutter plate.
According to the preferable technical scheme, a pair of first sliding blocks is horizontally fixed on the base, a second screw rod is rotatably installed on the base and located between the two first sliding blocks, a first sliding groove is fixed at the bottom of the bottom plate, the first sliding blocks are embedded in the first sliding groove, a third motor for driving the second screw rod to rotate is fixed at one end of the second screw rod, a pair of second sliding blocks is horizontally fixed on the bottom plate, a third screw rod is rotatably installed on the bottom plate and located between the two second sliding blocks, a second sliding groove is fixed at the bottom of the rack, the second sliding blocks are embedded in the second sliding groove, a fourth motor for driving the third screw rod to rotate is fixed at one end of the third screw rod, a pair of third sliding blocks is vertically fixed on the rack, a fourth screw rod is rotatably installed on the rack and located between the two third sliding blocks, a third sliding groove is fixed on the side wall of the cutter plate, the third sliding blocks are embedded in the third sliding groove, and a fifth motor for driving the fourth screw rod to rotate is fixed at one end of the fourth screw rod.
(III) advantageous effects
The invention has the beneficial effects that:
(1) the steamship cylinder sleeve is horizontally placed on the base, the clamping jaw device is matched with the clamping device to clamp the steamship cylinder sleeve on the lathe, the first motor is started to drive the first worm to rotate, the first gear and the first worm are meshed with each other, the first worm rotates to drive the first gear to rotate, the first gear is fixed on the rotating shaft, the rotating shaft is driven to rotate by the first gear, so that the steamship cylinder sleeve clamped on the lathe can be driven to rotate, the steamship cylinder sleeve is horizontally placed from a vertical position by arranging the lathe, the clamping jaw device and the clamping device, the processing safety is greatly improved, the processing is also convenient, in addition, the steamship cylinder sleeve can be controlled to rotate for a certain angle by only controlling the first motor to rotate for a certain angle after one hole is processed, then another hole can be processed, the automation degree is high, not only is the processing inconvenient, but also the working efficiency is very slow;
(2) the rotating hand rotates to drive the second worm to rotate, the second gear and the second worm are meshed with each other, the second worm rotates to drive the second gear to rotate, the second gear is fixed on the first screw rod, the second gear rotates to drive the first screw rod to rotate, the screw rod is in threaded connection with the second positioning head, the second positioning head facing the first positioning head is horizontally installed in the shaft sleeve in a sliding mode, the first screw rod rotates to drive the second positioning head to horizontally slide in the shaft sleeve until the second positioning head is matched with the first positioning head to clamp the ship cylinder sleeve;
(3) by arranging the snub brake unit, the first caliper and the second caliper can be controlled to tightly hold the rotating shaft at any time, so that the snub brake function is realized, and the working efficiency is improved;
(4) the horizontal machining machine tool is matched with the rotating shaft to realize shaft movement, so that processes of drilling, tapping, hole milling, lettering and the like can be realized on the wheelhouse cylinder sleeve.
(5) The numerical control machine tool for the ship cylinder sleeve solves the problems that the traditional machining generally vertically places the ship cylinder sleeve and then starts operation, but when the numerical control machine tool is vertically placed, the product is more than 4 meters high, the numerical control machine tool can only machine holes in half length positions, the number of light waist holes in the top of the ship cylinder sleeve is more than 30, the rotary ship cylinder sleeve needs to be rotated by a certain angle after the holes in half length positions are machined at each time, and then the holes in the other half length positions are machined, so that the machining is inconvenient, the working efficiency is very low, and in addition, because the ship cylinder sleeve is too huge and vertically placed, the machining is not safe and is also inconvenient.
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, 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the jaw assembly of the present invention;
FIG. 3 is a schematic view of the structure of the clamping device of the present invention;
FIG. 4 is a schematic view of the internal structure of the snub unit of the present invention;
FIG. 5 is a structural schematic view of the ratchet-pawl structure of the present invention;
FIG. 6 is a partial enlarged view of the portion A of FIG. 5;
1-a base; 2-a cylinder sleeve of the ship; 3, turning a lathe; 4-horizontal machining tool; 5, collecting tank; 6, mounting a plate; 71-a first caliper; 72-a second caliper; 8-a first stop lever; 9-a second limiting rod; 10-a second motor; 11-a belt; 12-an snub unit; 31-jaw means; 32-a clamping device; 33-a chassis; 34-a rotating shaft; 35-a disc; 36-a first drive housing; 37-a first positioning head; 38-triangular jaws; 39-a first gear; 310-a first worm; 311-a first motor; 312-a caliper mechanism; 32-a clamping device; 321-a frame; 322-shaft sleeve; 323-a second drive box; 324-a second gear; 325-a second worm; 326-turn hand; 121-a sleeve; 122-a rectangular fixture block; 123-a first spring; 124-a locking block; 125-locking groove; 127-triangular card slot; 128-through slots; 129-a second spring; 1210-clamping rod; 13-ratchet and pawl configuration; 131-a ratchet wheel; 132-a third spring; 133-pawl; 401-a backplane; 402-a rack; 403-a cutter plate; 404-a cutter;
Detailed Description
The numerical control machine tool for the cylinder liner of the large-scale ship diesel engine is further explained by combining the attached drawings, and the invention is further detailed by combining the embodiment:
as shown in fig. 1: the utility model provides a digit control machine tool for large-scale ship diesel engine cylinder jacket, includes base 1, ship cylinder jacket 2, its characterized in that: the base 1 is provided with a lathe 3 for clamping the ship cylinder sleeve 2, a horizontal machining machine 4 for machining the ship cylinder sleeve 2 is arranged beside the base 1, and a collecting tank 5 for collecting scraps is arranged on the base 1 and below the ship cylinder sleeve 2.
As shown in fig. 2: the lathe 3 comprises a jaw device 31 arranged at one end of a base 1 and a clamping device 32 arranged at the other end of the base 1, the jaw device 31 comprises a case 33 fixed on the base 1, a rotating shaft 34 is horizontally and rotatably arranged in the case 33, a disc 35 is fixed at one end of the rotating shaft 34 facing the clamping device 32, a first driving box 36 is arranged at the other end of the rotating shaft, a first positioning head 37 is fixed at the center of the disc 35, a triangular jaw 38 for clamping the cylinder sleeve 2 is uniformly arranged on the disc 35 and surrounds the first positioning head 37, the first driving box 36 is fixed on the case 33, a first gear 39 and a first worm 310 which are mutually meshed are arranged in the first driving box 36, the first gear 39 is fixed on the rotating shaft 34, the first worm 310 is horizontally and rotatably arranged in the first driving box 36, and a first motor 311 for driving the first worm 310 to rotate is fixed at one end of the first worm 310, the housing 33 is provided therein with a caliper mechanism 312 for inching the brake shaft 34.
It should be noted that, the ship cylinder jacket 2 is horizontally placed on the base 1, the jaw device 31 cooperates with the clamping device 32 to clamp the ship cylinder jacket 2 on the lathe 3, the first motor 311 is started to drive the first worm 310 to rotate, the first gear 39 and the first worm 310 are meshed with each other, the first worm 310 rotates to drive the first gear 39 to rotate, the first gear 39 is fixed on the rotating shaft 34, the first gear 39 rotates to drive the rotating shaft 34 to rotate, so as to drive the ship cylinder jacket 2 clamped on the lathe 3 to rotate, the ship cylinder jacket 2 is horizontally placed from the vertical placement by arranging the lathe 3, the jaw device 31 and the clamping device 32, the processing safety is greatly increased, the processing is also convenient, in addition, by arranging the first gear 39, the first worm 310 and the rotating shaft 34, after a hole with a half length position is processed, only the first motor 311 needs to be controlled to rotate for a certain angle, can control the rotatory certain angle of wheel ship cylinder jacket 2, then can process the hole of half other length position, degree of automation is high, and not only processing is inconvenient, and work efficiency is very slow.
As shown in fig. 3: the clamping device 32 comprises a frame 321 fixed on the base 1, a shaft sleeve 322 is horizontally fixed on the top of the frame 321, a second positioning head 327 facing the first positioning head 37 is horizontally slidably installed inside the shaft sleeve 322, a second driving box 323 is arranged at the tail of the second positioning head 322, the second driving box 323 is fixed on the base 1, a first screw 328 is horizontally and rotatably installed inside the second driving box 323, the first screw 328 is in threaded connection with the second positioning head 327, a second gear 324 and a second worm 325 which are meshed with each other are arranged inside the second driving box 323, the second gear 324 is fixed on the first screw 328, the second worm 325 is horizontally and rotatably installed inside the second driving box 323, one end of the second worm 325 extends to the outside of the second driving box 323, and a rotating handle 326 is fixed at the end.
It should be noted that the rotating handle 326 rotates to drive the second worm 325 to rotate, the second gear 324 and the second worm 325 are engaged with each other, the second worm 325 rotates to drive the second gear 324 to rotate, the second gear 324 is fixed on the first screw 328, the second gear 324 rotates to drive the first screw 328 to rotate, the screw 328 is in threaded connection with the second positioning head 327, the second positioning head 327 facing the first positioning head 37 is horizontally installed in the shaft sleeve 322 in a sliding manner, and the first screw 328 rotates to drive the second positioning head 327 to horizontally slide in the shaft sleeve 322 until the second positioning head 327 cooperates with the first positioning head 37 to clamp the ship cylinder sleeve 2.
As shown in fig. 2 and 4: the caliper mechanism 312 includes a mounting plate 6 fixed inside the chassis 33, the rotating shaft 34 penetrates the mounting plate 6, a first caliper 71 and a second caliper 72 capable of tightly holding the rotating shaft 34 are slidably mounted on the mounting plate 6 up and down, a first limit rod 8 and a second limit rod 9 are vertically rotatably mounted inside the chassis 33, the first limit rod 8 and the second limit rod 9 penetrate two ends of the first caliper 71 and the second caliper 72, the upper half of the first limit rod 8 is formed with threads, the first limit rod 8 is in threaded connection with the first caliper 71, the lower half of the second limit rod 9 is formed with threads with opposite rotation directions, the second limit rod 9 is in threaded connection with the second caliper 72, the top of the first limit rod 8 extends to the outside of the chassis 33, a second motor 10 for driving the first limit rod 8 to rotate is mounted at the end, sprockets are fixed at the tops of the first limit rod 8 and the second limit rod 9, the chain wheel overcoat is equipped with belt 11, is provided with the snub unit 12 that can be used to hold pivot 34 on first calliper 71, the second calliper 72, and two snub units 12 are central symmetry and distribute.
It should be noted that the second motor 10 is started to drive the first limiting rod 8 to rotate, a chain wheel is fixed at the top of the first limiting rod 8 and the top of the second limiting rod 9, a belt 11 is sleeved outside the chain wheel, the first limiting rod 8 rotates to drive the second limiting rod 9 to rotate, threads are formed on the upper half portion of the first limiting rod 8, the first limiting rod 8 is in threaded connection with the first caliper 71, threads with opposite rotation directions are formed on the lower half portion of the second limiting rod 9, the second limiting rod 9 is in threaded connection with the second caliper 72, the first limiting rod 8 and the second limiting rod 9 rotate to drive the first caliper 71 and the second caliper 72 to be close to each other, so that the rotating shaft 34 can be tightly embraced, when the ship cylinder sleeve 2 needs to be processed, the second motor 10 can be started, so that the first caliper 71 and the second caliper 72 are controlled to tightly embrace the rotating shaft 34, the degree of automation is high, and the processing is convenient.
As shown in fig. 4 and 5: the snub brake unit 12 includes a sleeve 121 rotatably embedded in the first caliper 71 and the second caliper 72, the sleeve 121 is screwed with the first limiting rod 8 or the second limiting rod 9, a rectangular groove is formed in the first caliper 71 and the second caliper 72, a rectangular fixture block 122 is arranged in the rectangular groove, a first spring 123 is horizontally arranged at one end of the rectangular fixture block 122 away from the sleeve 121, a locking block 124 connected with the sleeve 121 in a matching manner is arranged at the other end of the rectangular fixture block 122, one end of the first spring 123 is fixedly connected with the inner wall of the rectangular groove, the other end of the first spring 123 is fixedly connected with the side wall of the rectangular fixture block 122, a locking groove 125 is formed in the side wall of the sleeve 121, the locking block 124 is embedded in the locking groove 125, a triangular clamping groove 127 with an inclined surface facing the first spring 123 is formed in one side of the rectangular fixture block 122 facing the first spring 123, a through groove 128 is formed in the other side of the rectangular fixture block, a second spring 129 is horizontally arranged in the through groove 128, one end of the second spring 129 is fixedly connected with the through groove 128, The other end is fixedly connected with the locking block 124, a clamping rod 1210 is vertically fixed on the second caliper 72, the top of the clamping rod 1210 extends into the rectangular groove of the first caliper 71, an inclined surface facing the first spring 123 is formed at the top end of the clamping rod 1210, the top end of the clamping rod 1210 is clamped with the triangular clamping groove 127, and a ratchet and pawl structure 13 used for limiting the rotation of the sleeve 121 is arranged at the top of the sleeve 121.
It should be noted that, when the first limiting rod 8 rotates clockwise, the sleeve 121 is screwed with the first limiting rod 8 or the second limiting rod 9, meanwhile, a locking groove 125 is formed on a side wall of the sleeve 121, the locking block 124 is embedded inside the locking groove 125, the first limiting rod 8 drives the sleeve 121 to move downward, the sleeve 121 moves downward to drive the first caliper 71 to move downward, a triangular clamping groove 127 with an inclined surface facing the first spring 123 is formed on one side of the rectangular clamping block 122 facing the first spring 123, a clamping rod 1210 is vertically fixed on the second caliper 72, a top of the clamping rod 1210 extends into the rectangular groove of the first caliper 71, an inclined surface facing the first spring 123 is formed at a top end of the clamping rod 1210, the first caliper 71 moves downward to drive the rectangular clamping block 122 to move downward, a top end of the clamping rod 1210 is clamped with the triangular clamping groove 127, the rectangular clamping block 122 slides leftward under the action of the clamping rod 1210 and the triangular clamping groove 127, the sliding of the rectangular clamping block 122 to the left drives the locking block 124 to slide to the left, so that the locking block 124 is separated from the locking groove 125 on the sleeve 121, and at this time, the first limiting rod 8 keeps idle running. When the first caliper 71 and the second caliper 72 need to be reset, the second motor 10 rotates counterclockwise to drive the first limiting rod 8 to rotate counterclockwise, the top of the sleeve 121 is provided with the ratchet and pawl structure 13 for limiting the rotation of the sleeve 121, the ratchet and pawl structure 13 does not work when the sleeve 121 rotates clockwise, but when the sleeve 121 rotates counterclockwise, the ratchet and pawl structure 13 locks the sleeve 121 to prevent idle rotation, but rotates counterclockwise along with the first limiting rod 8, at this time, the sleeve 121 drives the sleeve 121 to move upward due to the counterclockwise rotation of the first limiting rod 8 by the ratchet and pawl structure 13, the sleeve 121 drives the first caliper 71 to move upward, the top end of the clamping rod 1210 is separated from the triangular clamping groove 127, due to the action of the first spring 123, the rectangular clamping block 122 slides rightward, and due to the action of the second spring 129, the latch segment 124 also slides right, until the latch segment 124 inlays once more establish inside the locked groove 125 on sleeve 121 can, through setting up the snub unit 12, can control first calliper 71, second calliper 72 and hold the pivot 34 tightly at any time to realize the snub function, improve work efficiency.
As shown in fig. 6: the ratchet and pawl structure 13 includes a ratchet 131 fixed on the top of the sleeve 121, mounting grooves are formed in the first caliper 71 and the second caliper 72, a third spring 132 is disposed in the mounting grooves, one end of the third spring 132 is fixedly connected with the side wall of the mounting groove, a pawl 133 is fixed at the other end, and the pawl 133 is connected with the ratchet 131 in a clamping manner.
It should be noted that when the sleeve 121 rotates clockwise, the pawl 133 is not engaged with the ratchet 131, and the ratchet-pawl structure 13 is not active, and when the sleeve 121 rotates counterclockwise, the pawl 133 is engaged with the ratchet 131, and the ratchet-pawl structure 13 locks the sleeve 121.
As shown in fig. 1: the horizontal machining tool 4 comprises a bottom plate 401 arranged on the base 1 in a left-right sliding mode, a frame 402 is arranged on the bottom plate 401 in a front-back sliding mode, a cutter plate 403 is arranged on the frame 402 in a vertical sliding mode, and a cutter 404 used for machining the cylinder sleeves 2 of the ship is mounted on the cutter plate 403.
As shown in fig. 1: a pair of first sliding blocks is horizontally fixed on a base 1, a second screw rod is rotatably installed on the base 1 and located between the two first sliding blocks, a first sliding groove is fixed at the bottom of a bottom plate 401, the first sliding blocks are embedded in the first sliding groove, a third motor for driving the second screw rod to rotate is fixed at one end of the second screw rod, a pair of second sliding blocks is horizontally fixed on the bottom plate 401, a third screw rod is rotatably installed on the bottom plate 401 and located between the two second sliding blocks, a second sliding groove is fixed at the bottom of a rack 402, the second sliding blocks are embedded in the second sliding groove, a fourth motor for driving the third screw rod to rotate is fixed at one end of the third screw rod, a pair of third sliding blocks is vertically fixed on the rack 402, a fourth screw rod is rotatably installed on the rack 402 and located between the two third sliding blocks, a third sliding groove is fixed on the side wall of a cutter plate 403, the third sliding block is embedded in the third sliding groove, and a fifth motor for driving the fourth screw rod to rotate is fixed at one end of the fourth screw rod.
It should be noted that the horizontal machining machine 4 is matched with the rotating shaft 34 to realize 4-axis movement, so that the processes of drilling, tapping, hole milling, lettering and the like on the wheelboat cylinder sleeve 2 can be realized.
Also, it is noted that, one; the main structural component of the machine tool indexing spindle box is formed by combining three NN series of bidirectional thrust angular contact one/high-resolution encoders/hydraulic brake discs. The machine tool is characterized in that a servo motor is adopted to drive a worm gear to rotate a main shaft through a high-precision worm gear pair to perform indexing, and a feedback signal of a direct-connection high-resolution encoder is transmitted to the system at the tail end of the main shaft to realize closed-loop control.
II, performing secondary filtration; the high-precision worm gear and worm pair adopts a double-lead worm structure, the mounting structure of the worm is that a worm bearing seat is provided with two cone bearings/worm bearing seat nuts which are mounted on a worm gear box body, the worm bearing seat nuts are loosened to rotate worm bearing seats when the worm bearing seat nuts are used for locking/adjusting the worm bearing seats, and the worm is adjusted to achieve high-precision fit, and the double-lead worm has the advantages that the worm gear and the worm achieve high-precision zero-clearance fit through adjustable clearance when the worm gear and the worm are assembled. The worm structure has the advantages that after the machine tool works for a long time, when the worm gear and the worm wear to generate gaps, the gap recovery precision can be eliminated by adjusting the direction of the worm, and the long-term service life is obtained.
Thirdly, performing primary filtration; the machine tool can realize milling waist hole and use automatic progressive depth processing at the processing smear metal, can carry out trip milling and slicking after processing pierces through, carry out graduation rotation to set for the position hydraulic brake disc locking main shaft and prevent to mill the bits after a hole is accomplished and produce the oscillation and obtain better smear metal performance, BT50 main shaft and 24 carry out automatic tool changing according to the sword number that has set for after the waist hole processing of cylinder liner outer lane is accomplished, process the drilling after the tool changing is accomplished and process according to setting for the circulation, trade the tap and carry out tapping work after the drilling is accomplished, trade the carving tool after the tapping is accomplished and carve characters until whole completions according to setting for the position.
The working principle is as follows: the ship cylinder sleeve 2 is horizontally placed on the base 1, the jaw device 31 is matched with the clamping device 32 to clamp the ship cylinder sleeve 2 on the lathe 3, the first motor 311 controls the rotating shaft 34 to rotate, so that the ship cylinder sleeve 2 is controlled to rotate on the lathe 3, the horizontal machining machine 4 is matched with the rotating shaft 34 to realize 4-axis movement, so that processes such as drilling, tapping, hole milling and lettering can be realized on the ship cylinder sleeve 2, the inching brake unit 12 is arranged to control the first caliper 71 and the second caliper 72 to tightly hold the rotating shaft 34 at any time, so that the inching brake function is realized, the numerical control machine for the ship cylinder sleeve solves the problems that the traditional machining is to vertically place the ship cylinder sleeve, and then the operation is started, but when the ship cylinder sleeve is vertically placed, the product is 4 meters high, only holes at a half-length position can be machined, and more than 30 light waist holes at the top of the ship cylinder sleeve exist, and the rotating ship cylinder sleeve needs to rotate by a certain angle after holes at a half-length position are machined each time, then, the other half of the length position of the hole is processed, so that the processing is inconvenient, the working efficiency is very low, and in addition, the cylinder sleeve of the ship is too large and is placed vertically, so that the processing is not safe and inconvenient.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention, and the technical contents of the present invention as claimed are all described in the claims.
Claims (8)
1. The utility model provides a digit control machine tool for large-scale ship diesel engine cylinder jacket, includes base (1), ship cylinder jacket (2), its characterized in that: the processing device is characterized in that a lathe (3) used for clamping a ship cylinder sleeve (2) is arranged on the base (1), a horizontal machining machine (4) used for machining the ship cylinder sleeve (2) is arranged beside the base (1), and a collecting tank (5) used for collecting scraps is arranged on the base (1) and below the ship cylinder sleeve (2).
2. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 1, characterized in that: the lathe (3) comprises a jaw device (31) arranged at one end of a base (1) and a clamping device (32) arranged at the other end of the base (1), the jaw device (31) comprises a case (33) fixed on the base (1), a rotating shaft (34) is horizontally and rotatably arranged in the case (33), a disc (35) is fixed on one end of the rotating shaft (34) facing the clamping device (32), a first driving box (36) is arranged at the other end of the rotating shaft, a first positioning head (37) is fixed at the center of the disc (35), triangular jaws (38) used for clamping a ship cylinder sleeve (2) are uniformly arranged on the disc (35) and around the first positioning head (37), the first driving box (36) is fixed on the case (33), and a first gear (39) and a first worm (310) which are meshed with each other are arranged in the first driving box (36), first gear (39) are fixed on pivot (34), first worm (310) horizontal rotation is installed inside first drive case (36), and first worm (310) one end is fixed with and is used for driving first worm (310) pivoted first motor (311), quick-witted case (33) inside is provided with caliper mechanism (312) that are used for some pivot (34) of stopping.
3. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 2, characterized in that: the clamping device (32) comprises a machine frame (321) fixed on a base (1), a shaft sleeve (322) is horizontally fixed at the top of the machine frame (321), a second positioning head (327) facing a first positioning head (37) is horizontally and slidably mounted in the shaft sleeve (322), a second driving box (323) is arranged at the tail of the second positioning head (322), the second driving box (323) is fixed on the base (1), a first screw rod (328) is horizontally and rotatably mounted in the second driving box (323), the first screw rod (328) is in threaded connection with the second positioning head (327), a second gear (324) and a second worm (325) which are meshed with each other are arranged in the second driving box (323), the second gear (324) is fixed on the first screw rod (328), and the second worm (325) is horizontally and rotatably mounted in the second driving box (323), one end of the second worm (325) extends to the outside of the second driving box (323) and a rotating hand (326) is fixed at the end.
4. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 3, characterized in that: the caliper mechanism (312) is including fixing mounting panel (6) in quick-witted case (33) inside, pivot (34) runs through mounting panel (6), slidable mounting has first calliper (71), second calliper (72) that can be used to hold pivot (34) tightly about on mounting panel (6), first gag lever post (8), second gag lever post (9) are installed to the inside vertical rotation of quick-witted case (33), first gag lever post (8), second gag lever post (9) run through the both ends of first calliper (71), second calliper (72), the first half shaping of first gag lever post (8) has the screw thread, and first gag lever post (8) and first calliper (71) spiro union, the latter half shaping of second gag lever post (9) has the opposite screw thread of turning to, and second gag lever post (9) and second calliper (72) spiro union, the top of first gag lever post (8) extends to quick-witted case (33) outside, and this end department installs and is used for driving first gag lever post (8) pivoted second motor (10), the top of first gag lever post (8), second gag lever post (9) is fixed with the sprocket, and the sprocket overcoat is equipped with belt (11), be provided with on first calliper (71), second calliper (72) and be used for embracing the snub unit (12) of stopping of pivot (34), two snub unit (12) are central symmetric distribution.
5. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 4, wherein: the snub brake unit (12) comprises a sleeve (121) which is rotatably embedded in a first caliper (71) and a second caliper (72), the sleeve (121) is in threaded connection with a first limiting rod (8) or a second limiting rod (9), a rectangular groove is formed in the first caliper (71) and the second caliper (72), a rectangular clamping block (122) is arranged in the rectangular groove, a first spring (123) is horizontally arranged at one end, far away from the sleeve (121), of the rectangular clamping block (122), a locking block (124) which is connected with the sleeve (121) in a matched mode is arranged at the other end of the rectangular clamping block (122), one end of the first spring (123) is fixedly connected with the inner wall of the rectangular groove, the other end of the first spring is fixedly connected with the side wall of the rectangular clamping block (122), a locking groove (125) is formed in the side wall of the sleeve (121), the locking block (124) is embedded in the locking groove (125), and a triangular clamping groove (127) facing the first spring (123) is formed in one side of the rectangular clamping block (122) The other side is opened there is logical groove (128), it is provided with second spring (129) to lead to the inside level of groove (128), second spring (129) one end and lead to inside fixed connection of groove (128), the other end and latch segment (124) fixed connection, vertically be fixed with kelly (1210) on second calliper (72), the top of kelly (1210) extends to inside first calliper (71) rectangular channel, the top shaping of kelly (1210) has the inclined plane towards first spring (123), and the top and the triangle draw-in groove (127) joint of kelly (1210), the top of sleeve (121) is provided with ratchet pawl structure (13) that are used for restricting sleeve (121) rotation.
6. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 5, wherein: ratchet pawl structure (13) are including fixing ratchet (131) at sleeve (121) top, first calliper (71), the inside mounting groove that has opened of second calliper (72), be provided with third spring (132) in the mounting groove, the one end and the mounting groove lateral wall fixed connection of third spring (132), the other end are fixed with pawl (133), pawl (133) and ratchet (131) joint.
7. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 1, characterized in that: the horizontal machining machine tool (4) comprises a bottom plate (401) which is arranged on a base (1) in a left-right sliding mode, a rack (402) is arranged on the bottom plate (401) in a front-back sliding mode, a cutter plate (403) is arranged on the rack (402) in an up-down sliding mode, and a cutter (404) used for machining a ship cylinder sleeve (2) is mounted on the cutter plate (403).
8. The numerical control machine tool for the cylinder liner of the large-sized ship diesel engine according to claim 7, wherein: a pair of first sliding blocks is horizontally fixed on the base (1), a second screw rod is rotatably installed on the base (1) and positioned between the two first sliding blocks, a first sliding chute is fixed at the bottom of the bottom plate (401), the first sliding blocks are embedded in the first sliding chute, a third motor for driving the second screw rod to rotate is fixed at one end of the second screw rod, a pair of second sliding blocks is horizontally fixed on the bottom plate (401), a third screw rod is rotatably installed on the bottom plate (401) and positioned between the two second sliding blocks, a second sliding chute is fixed at the bottom of the rack (402), the second sliding block is embedded in the second sliding chute, a fourth motor for driving the third screw rod to rotate is fixed at one end of the third screw rod, a pair of third sliding blocks is vertically fixed on the rack (402), and a fourth screw rod is rotatably installed on the rack (402) and positioned between the two third sliding blocks, and a third sliding groove is fixed on the side wall of the cutter plate (403), the third sliding block is embedded in the third sliding groove, and a fifth motor for driving the fourth screw to rotate is fixed at one end of the fourth screw.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210465544.XA CN114799891A (en) | 2022-04-29 | 2022-04-29 | Numerical control machine tool for large-scale steamship diesel engine cylinder sleeve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210465544.XA CN114799891A (en) | 2022-04-29 | 2022-04-29 | Numerical control machine tool for large-scale steamship diesel engine cylinder sleeve |
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| CN114799891A true CN114799891A (en) | 2022-07-29 |
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| CN202210465544.XA Withdrawn CN114799891A (en) | 2022-04-29 | 2022-04-29 | Numerical control machine tool for large-scale steamship diesel engine cylinder sleeve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118809186A (en) * | 2024-09-14 | 2024-10-22 | 福建省天力卫浴科技有限公司 | Milling and drilling integrated machine tool |
| CN119794814A (en) * | 2025-03-17 | 2025-04-11 | 山东汇锋传动股份有限公司 | A kind of semi-automatic processing equipment for crankshaft |
| CN119820401A (en) * | 2025-03-17 | 2025-04-15 | 华翔(洪洞)智能科技有限公司 | Crankshaft finish machining device and machining method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560271A (en) * | 1995-04-03 | 1996-10-01 | Hennessy Industries, Inc. | Hand wheel engagement/disengagement mechanism for drive selection in a brake lathe |
| CN101961835A (en) * | 2010-08-17 | 2011-02-02 | 佛山市圣特斯数控设备有限公司 | Numerical control turning-milling compound machine |
| CN102463468A (en) * | 2010-11-17 | 2012-05-23 | 上海谱港机床有限公司 | Numerically controlled horizontal lathe suitable for overload processing |
| CN106735323A (en) * | 2017-01-11 | 2017-05-31 | 苏州江源精密机械有限公司 | Suitable for the type horizontal processing machine tool and processing method of Large Crankshaft Compound Machining |
| CN108202257A (en) * | 2016-12-20 | 2018-06-26 | 天津科宣景虹科技发展有限公司 | A kind of new brake clamping device |
| CN110524011A (en) * | 2019-10-09 | 2019-12-03 | 胡三河 | A kind of safeguard device of lathe |
| CN211890086U (en) * | 2020-03-16 | 2020-11-10 | 青岛顺飞达机械有限公司 | Accurate indexing positioning device of numerical control CNC machining center |
-
2022
- 2022-04-29 CN CN202210465544.XA patent/CN114799891A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560271A (en) * | 1995-04-03 | 1996-10-01 | Hennessy Industries, Inc. | Hand wheel engagement/disengagement mechanism for drive selection in a brake lathe |
| CN101961835A (en) * | 2010-08-17 | 2011-02-02 | 佛山市圣特斯数控设备有限公司 | Numerical control turning-milling compound machine |
| CN102463468A (en) * | 2010-11-17 | 2012-05-23 | 上海谱港机床有限公司 | Numerically controlled horizontal lathe suitable for overload processing |
| CN108202257A (en) * | 2016-12-20 | 2018-06-26 | 天津科宣景虹科技发展有限公司 | A kind of new brake clamping device |
| CN106735323A (en) * | 2017-01-11 | 2017-05-31 | 苏州江源精密机械有限公司 | Suitable for the type horizontal processing machine tool and processing method of Large Crankshaft Compound Machining |
| CN110524011A (en) * | 2019-10-09 | 2019-12-03 | 胡三河 | A kind of safeguard device of lathe |
| CN211890086U (en) * | 2020-03-16 | 2020-11-10 | 青岛顺飞达机械有限公司 | Accurate indexing positioning device of numerical control CNC machining center |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118809186A (en) * | 2024-09-14 | 2024-10-22 | 福建省天力卫浴科技有限公司 | Milling and drilling integrated machine tool |
| CN119794814A (en) * | 2025-03-17 | 2025-04-11 | 山东汇锋传动股份有限公司 | A kind of semi-automatic processing equipment for crankshaft |
| CN119820401A (en) * | 2025-03-17 | 2025-04-15 | 华翔(洪洞)智能科技有限公司 | Crankshaft finish machining device and machining method thereof |
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Application publication date: 20220729 |