CN115958421B - Lathe for central hole of plunger sleeve of oil pump nozzle - Google Patents
Lathe for central hole of plunger sleeve of oil pump nozzle Download PDFInfo
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- CN115958421B CN115958421B CN202310252238.2A CN202310252238A CN115958421B CN 115958421 B CN115958421 B CN 115958421B CN 202310252238 A CN202310252238 A CN 202310252238A CN 115958421 B CN115958421 B CN 115958421B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention belongs to the technical field of oil pump nozzle plunger machining, and particularly relates to a lathe for a central hole of an oil pump nozzle plunger sleeve, which comprises a base, wherein a mounting frame and a clamp for fixing the oil pump nozzle plunger are fixedly arranged at the top of the base, a linear module is arranged on the mounting frame, a first motor is fixedly arranged on a sliding block of the linear module, a reversing assembly is arranged on an output shaft of the first motor, a punching assembly is arranged on the reversing assembly, and the punching assembly comprises a drilling barrel and a drilling rod which are rotatably connected and coaxially arranged. According to the invention, the reversing assembly can enable the motor to drive the drilling cylinder and the drill rod to rotate in opposite directions, so that when the drilling cylinder punches the oil pump glib plunger workpiece, the drill rod can eliminate the axial force generated by the drilling cylinder on the oil pump glib plunger workpiece, thereby reducing the probability of deformation when the oil pump glib plunger workpiece punches, and simultaneously preventing the oil pump glib plunger workpiece from deflecting, so that the machining precision is ensured.
Description
Technical Field
The invention relates to the technical field of oil pump nozzle plunger machining, in particular to a lathe for a central hole of an oil pump nozzle plunger sleeve.
Background
The processing steps of the existing oil pump nozzle plunger sleeve are as follows: firstly, flattening the end face of a blank material, and fixing the total length; centering, and aligning the drill bit to the center of the blank; drilling, and centering Kong Datong the blank; performing rough reaming on the central hole; step two, taking down a plunger workpiece of the oil pump nozzle, carrying out secondary clamping, and turning an outer circle; and thirdly, refining.
However, when the drill bit extends into the processed oil pump nozzle plunger sleeve, and the spindle rotates to perform drilling, the oil pump nozzle plunger is easy to deflect under the axial force generated by the rotary drill bit, so that the accuracy of a processed hole is affected, and meanwhile, the heated and softened oil pump nozzle plunger is likely to deform under the action of the axial force due to the fact that the drilling is high in temperature, so that the lathe for the central hole of the oil pump nozzle plunger sleeve is provided.
Disclosure of Invention
The invention provides a lathe for a central hole of a plunger sleeve of an oil pump nozzle in order to solve the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the lathe comprises a base, wherein a mounting frame and a clamp for fixing an oil pump nozzle plunger are fixedly arranged at the top of the base, a linear module is arranged on the mounting frame, a first motor is fixedly arranged on a sliding block of the linear module, a reversing assembly is arranged on an output shaft of the first motor, a punching assembly is arranged on the reversing assembly, the punching assembly comprises a drilling barrel and a drill rod which are connected in a rotating mode and coaxially arranged, the rotating directions of the drilling barrel and the drill rod are opposite, and when the drilling barrel punches an oil pump nozzle plunger workpiece, the drill rod can eliminate axial force generated by the drilling barrel on the oil pump nozzle plunger workpiece;
the outer side of the drilling barrel is provided with a plurality of rectangular grooves distributed in a circumferential array, polishing plates are arranged in the plurality of rectangular grooves, the polishing plates penetrate through and are fixedly provided with rotating shafts, two ends of each rotating shaft are respectively and rotatably connected with inner walls of two sides of each rectangular groove, and two sides of each polishing plate are respectively provided with a rough surface;
the outside slip cap of boring section of thick bamboo is equipped with annular ring, annular ring is in the outside of a plurality of boards of polishing, a plurality of spacing grooves that are circumference array distribution have been seted up in the outside of boring section of thick bamboo, fixed mounting has a plurality of stoppers that are circumference array distribution on the inner wall of annular ring, a plurality of stoppers respectively with the inner wall sliding connection who corresponds the spacing groove, when punching the subassembly trepanning, inlay a plurality of boards of polishing on boring section of thick bamboo outer wall and can follow vertical state and change the horizontality and clear away oil pump glib plunger hole edge burr.
Preferably, the ejector mechanism is arranged in the drill cylinder, the ejector mechanism comprises an annular plate which is in sliding connection with the inner wall of the drill cylinder, a plurality of balls are installed on the bottom of the annular plate in a circumferential rotating mode, a spring is fixedly installed at the top of the annular plate, the top end of the spring is fixedly connected with the inner wall of the top of the drill cylinder, and the annular plate and the spring are sleeved on the outer side of the drill rod.
Preferably, two rows of a plurality of chip removal ports distributed in a circumferential array are formed in the outer side of the drill cylinder.
Preferably, the reversing assembly comprises a round box body fixedly connected with a shell of the motor and a sun wheel fixedly connected with an output shaft of the motor, an inner gear ring is rotatably arranged on the inner wall of the round box body, a plurality of planet gears distributed in a circumferential array are installed between the sun wheel and the inner gear ring in a meshed mode, the same planet carrier is connected between the plurality of planet gears, an annular connecting plate is fixedly arranged at the bottom of the inner gear ring, the top of the drilling barrel extends into the round box body and is fixedly connected with the bottom of the annular connecting plate, and the top end of the drilling rod penetrates through the planet carrier and the annular connecting plate and is fixedly connected with the bottom of the sun wheel.
Preferably, the top and the inner wall of the round box body are respectively provided with a first mounting opening and a second mounting opening, the output shaft of the first motor penetrates through the first mounting opening and is in clearance fit with the inner wall of the first mounting opening, the drill cylinder penetrates through the second mounting opening and is in clearance fit with the inner wall of the second mounting opening, the top of the round box body is fixedly provided with a plurality of connecting rods distributed in a circumferential array, and the top ends of the connecting rods are fixedly connected with the shell of the first motor.
Preferably, the planet carrier comprises a mounting plate with a central hole, a plurality of planet gears are positioned at the bottom of the mounting plate, a plurality of optical axes distributed in a circumferential array are fixedly installed on the mounting plate in a penetrating mode, the planet gears are respectively rotatably sleeved on the outer sides of the corresponding optical axes, and the top ends of the optical axes are fixedly connected with the inner wall of the top of the round box body.
Preferably, the fixture comprises a mounting seat, a sliding groove is formed in the top of the mounting seat, two clamping jaws which are symmetrically distributed are slidably mounted in the sliding groove, the inner walls of two sides of the sliding groove are rotatably provided with the same screw rod, the screw rod penetrates through the two clamping jaws and is in threaded connection with the two clamping jaws, a motor II is fixedly mounted on one side of the mounting seat, and one end of the screw rod penetrates through the mounting seat and is fixedly connected with an output shaft of the motor II.
Preferably, two sections of threads with opposite screwing directions are arranged on the screw rod, and the two clamping jaws are respectively matched with the threads with the corresponding screwing directions.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the reversing assembly can enable the motor I to drive the drilling cylinder and the drill rod to rotate in opposite directions, so that when the drilling cylinder punches a workpiece of the oil pump glib plunger, the drill rod can eliminate the axial force generated by the drilling cylinder on the workpiece of the oil pump glib plunger, thereby reducing the probability of deformation when the workpiece of the oil pump glib plunger punches, and simultaneously preventing the workpiece of the oil pump glib plunger from deflecting, so that the machining precision is ensured;
2. under the action of centrifugal force generated by following the rotation of the drilling cylinder, a plurality of polishing plates embedded on the outer wall of the drilling cylinder can be changed into a horizontal state from a vertical state, so that burrs at the bottom edge and the top edge of a workpiece hole of a plunger piston of an oil pump can be polished by the top and bottom rough surfaces of the polishing plates respectively;
3. the core material generated when the oil pump nozzle plunger workpiece is punched can be ejected out of the drill barrel in a punching penetrating mode through the ejection mechanism, and the next punching of the oil pump nozzle plunger workpiece is facilitated.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a lathe for the central hole of a plunger sleeve of an oil pump nozzle;
fig. 2 is a schematic structural diagram of a reversing assembly and a punching assembly in a lathe for a central hole of a plunger sleeve of an oil pump nozzle;
fig. 3 is a schematic structural diagram of a punching assembly in a lathe for a central hole of a plunger sleeve of an oil pump nozzle according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;
fig. 5 is a schematic structural diagram of an ejection mechanism in a lathe for a central hole of a plunger sleeve of an oil pump nozzle;
fig. 6 is a schematic diagram of a partial structure of a reversing assembly in a lathe for a central hole of a plunger sleeve of an oil pump nozzle according to the present invention;
fig. 7 is a schematic diagram II of a partial structure of a reversing assembly in a lathe with a central hole of a plunger sleeve of an oil pump nozzle;
fig. 8 is a schematic diagram of a part of structures of a planet carrier and a round box in a lathe with a central hole of a plunger sleeve of an oil pump nozzle;
fig. 9 is a schematic structural diagram of a fixture in a lathe for a central hole of a plunger sleeve of an oil pump nozzle.
In the figure: 1. a base; 2. a mounting frame; 3. a linear module; 4. a first motor; 5. a reversing assembly; 51. a round box body; 511. a connecting rod; 512. a first mounting port; 513. a second mounting port; 52. an inner gear ring; 521. an annular connecting plate; 53. a sun gear; 54. a planet wheel; 55. a planet carrier; 551. a mounting plate; 552. an optical axis; 6. a punching assembly; 611. a chip removal port; 612. rectangular grooves; 613. a limit groove; 61. drilling a cylinder; 62. a drill rod; 63. an ejection mechanism; 631. an annular plate; 632. a ball; 633. a spring; 64. polishing the plate; 65. an annular ring; 651. a limiting block; 7. a clamp; 71. a mounting base; 72. a chute; 73. a clamping jaw; 74. a screw rod; 75. and a second motor.
Description of the embodiments
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the lathe for the central hole of the oil pump nozzle plunger sleeve comprises a base 1, wherein a mounting frame 2 and a clamp 7 for fixing the oil pump nozzle plunger are fixedly arranged at the top of the base 1, a linear module 3 is arranged on the mounting frame 2, a motor I4 is fixedly arranged on a sliding block of the linear module 3, a reversing component 5 is arranged on an output shaft of the motor I4, a punching component 6 is arranged on the reversing component 5, the punching component 6 comprises a drilling barrel 61 and a drilling rod 62 which are rotationally connected and coaxially arranged, the rotation directions of the drilling barrel 61 and the drilling rod 62 are opposite, and when the drilling barrel 61 punches an oil pump nozzle plunger workpiece, the drilling rod 62 can eliminate axial force generated by the drilling barrel 61 on the oil pump nozzle plunger workpiece;
a plurality of rectangular grooves 612 distributed in a circumferential array are formed in the outer side of the drill cylinder 61, polishing plates 64 are arranged in the plurality of rectangular grooves 612, rotating shafts are fixedly installed in a penetrating mode of the polishing plates 64, two ends of the rotating shafts are respectively connected with inner walls of two sides of the rectangular grooves 612 in a rotating mode, and two sides of the polishing plates 64 are in rough surface arrangement;
the outside slip cap of boring section of thick bamboo 61 is equipped with annular ring 65, annular ring 65 cover is in the outside of a plurality of polishing plates 64, a plurality of spacing grooves 613 that are circumference array distribution have been seted up in the outside of boring section of thick bamboo 61, fixedly mounted has a plurality of stopper 651 that are circumference array distribution on the inner wall of annular ring 65, a plurality of stopper 651 respectively with correspond spacing groove 613's inner wall sliding connection, when punching the 6 trepanning of subassembly, a plurality of polishing plates 64 of inlaying on boring section of thick bamboo 61 outer wall can be followed vertical state and changed the horizontality and clear away oil pump glib plunger hole edge burr.
The ejector mechanism 63 is arranged in the drill barrel 61, the ejector mechanism 63 comprises an annular plate 631 which is in sliding connection with the inner wall of the drill barrel 61, a plurality of balls 632 are installed in a circumferential rotating mode at the bottom of the annular plate 631, a spring 633 is fixedly installed at the top of the annular plate 631, the top end of the spring 633 is fixedly connected with the inner wall of the top of the drill barrel 61, and the annular plate 631 and the spring 633 are sleeved on the outer side of the drill rod 62.
Further, when the drill barrel 61 rotates at a high speed, the polishing plate 64 rotates about the rotation axis under the action of centrifugal force, and the rotation axis is installed at the center of the side wall of the rectangular groove 612, so that the polishing plate 64 can rotate 180 ° about the rotation axis, and both of the rough surfaces of the polishing plate 64 can contact with the inner wall of the rectangular groove 612.
Further, the annular ring 65 can be moved up and down along the axis of the annular ring 65 under the action of the plurality of sets of limiting blocks 651 and the limiting grooves 613, and the annular ring 65 can be synchronously rotated under the action of the limiting blocks 651 and 651 when the drill barrel 61 rotates, so that the position between the drill barrel 61 and the annular ring 65 is relatively unchanged under the action of centrifugal force under the condition that the drill barrel 61 rotates at a high speed.
Two rows of a plurality of chip discharge holes 611 distributed in a circumferential array are formed on the outer side of the drill barrel 61.
Further, the metal chips generated when the drill barrel 61 and the drill rod 62 are perforated by the plurality of chip discharge ports 611 can be discharged.
The reversing assembly 5 comprises a round box body 51 fixedly connected with a shell of the motor 4 and a sun wheel 53 fixedly connected with an output shaft of the motor 4, an inner gear ring 52 is rotatably arranged on the inner wall of the round box body 51, a plurality of planet gears 54 distributed in a circumferential array are arranged between the sun wheel 53 and the inner gear ring 52 in a meshed mode, the same planet carrier 55 is connected between the plurality of planet gears 54, an annular connecting plate 521 is fixedly arranged at the bottom of the inner gear ring 52, the top of a drill barrel 61 extends into the round box body 51 and is fixedly connected with the bottom of the annular connecting plate 521, and the top end of a drill rod 62 penetrates through the planet carrier 55 and the annular connecting plate 521 and is fixedly connected with the bottom of the sun wheel 53.
The top and the inner wall of the round box body 51 are respectively provided with a first mounting opening 512 and a second mounting opening 513, an output shaft of the first motor 4 penetrates through the first mounting opening 512 and is in clearance fit with the inner wall of the first mounting opening 512, the drill drum 61 penetrates through the second mounting opening 513 and is in clearance fit with the inner wall of the second mounting opening 513, a plurality of connecting rods 511 distributed in a circumferential array are fixedly arranged at the top of the round box body 51, and the top ends of the connecting rods 511 are fixedly connected with the outer shell of the first motor 4.
The planet carrier 55 comprises a mounting plate 551 with a central hole, a plurality of planet gears 54 are positioned at the bottom of the mounting plate 551, a plurality of optical axes 552 distributed in a circumferential array are fixedly installed on the mounting plate 551 in a penetrating mode, the plurality of planet gears 54 are respectively sleeved on the outer sides of the corresponding optical axes 552 in a rotating mode, and the top ends of the optical axes 552 are fixedly connected with the inner wall of the top of the round box body 51.
Further, as shown in fig. 3 and 6, when the output shaft of the first motor 4 drives the sun gear 53 to rotate clockwise, the plurality of planetary gears 54 rotate counterclockwise around the axis thereof, and the plurality of planetary gears 54 then drive the inner gear ring 52 to rotate counterclockwise around the axis thereof, so that the rotation directions of the drill barrel 61 and the drill rod 62 can be reversed under the action of the sun gear 53 and the inner gear ring 52.
The fixture 7 comprises a mounting seat 71, a sliding groove 72 is formed in the top of the mounting seat 71, two clamping jaws 73 which are symmetrically distributed are arranged in the sliding groove 72 in a sliding mode, the inner walls of two sides of the sliding groove 72 are rotatably provided with a same screw rod 74, the screw rod 74 penetrates through the two clamping jaws 73 and is in threaded connection with the two clamping jaws 73, one side of the mounting seat 71 is fixedly provided with a motor II 75, and one end of the screw rod 74 penetrates through the mounting seat 71 and is fixedly connected with an output shaft of the motor II 75.
The screw rod 74 is provided with two sections of threads with opposite rotation directions, and the two clamping jaws 73 are respectively matched with the threads with the corresponding rotation directions.
Further, under the action of the two threads with opposite rotation directions, when the screw rod 74 rotates, the two clamping jaws 73 move in opposite directions, so that the oil pump nozzle plunger workpiece to be punched is clamped when the two clamping jaws 73 are close to each other, and the oil pump nozzle plunger workpiece after punching can be loosened when the two clamping jaws 73 are far away from each other.
In this embodiment: when the oil pump nozzle plunger workpiece is used, firstly, the oil pump nozzle plunger workpiece is placed between the two clamping jaws 73, then the screw rod 74 is driven to rotate by the starting motor II 75, so that the two clamping jaws 73 are close to each other and clamp and fix the oil pump nozzle plunger workpiece, and at the moment, the axis of the output shaft of the motor I4 coincides with the axis of the oil pump nozzle plunger workpiece;
then, the first motor 4 is started to drive the sun gear 53 to rotate, the sun gear 53 drives the plurality of planet gears 54 to rotate in the opposite direction, the planet gears 54 drive the inner gear ring 52 to rotate in the opposite direction of the sun gear 53, and finally the drilling barrel 61 and the drilling rod 62 fixed at the bottom of the sun gear 53 and the bottom of the inner gear ring 52 rotate in opposite directions;
then the first motor 4, the reversing assembly 5 and the punching assembly 6 are driven to move downwards through the linear module 3, the oil pump nozzle plunger workpiece is punched along with the contact of the drill cylinder 61 and the drill rod 62 with the oil pump nozzle plunger workpiece, and the axial forces formed by the drill cylinder 61 and the drill rod 62 on the oil pump nozzle plunger workpiece during punching are mutually offset;
when the drilling is just performed, the annular rings 65 are sleeved on the outer sides of the polishing plates 64, so that the plurality of polishing plates 64 are accommodated in the corresponding rectangular grooves 612, the top of the polishing plates 64 is pushed upwards along with the increase of the drilling depth and is completely separated from the plurality of polishing plates 64, after the drilling is completed, the plurality of polishing plates 64 penetrate through the hole of the oil pump nozzle plunger workpiece to be drilled, at the moment, the plurality of polishing plates 64 are converted into a horizontal state from a vertical state under the centrifugal force of rotation of the drill barrel 61, then, during the process of driving the drill barrel 61 to move upwards, the top of the plurality of polishing plates 64 is contacted with the bottom edge of the oil pump nozzle plunger workpiece, so that the bottom edge of the oil pump nozzle plunger workpiece hole can be polished, burrs on the bottom edge of the oil pump nozzle plunger workpiece hole can be removed, after that the continuous upwards moving process of the drill barrel 61 is performed, the polishing plates 64 are rotated in the rectangular grooves 612 and the polishing plates 64 are completely accommodated in the rectangular grooves 612, and then the drill barrel 61 can be pulled out from the oil pump nozzle plunger workpiece hole;
under the condition that the drilling barrel 61 rotates and drives the annular ring 65 to rotate, the annular ring 65 will not drop under the action of centrifugal force, then when the polishing plates 64 are pulled out of the oil pump nozzle plunger workpiece hole along with the upward-moving mounting seat 71, the centrifugal force generated by the rotation of the drilling barrel 61 is removed from the rectangular groove 612 and is changed into a horizontal state from a vertical state, and then the top edge of the oil pump nozzle plunger workpiece hole is polished through the bottom of the polishing plates 64, and the rotation of the motor I4 can be stopped after the drilling and the polishing of the top and bottom edges of the oil pump nozzle plunger workpiece hole are completed;
during the punching process of the drill barrel 61 and the drill rod 62, the excessive core material is accommodated in the gap between the drill barrel 61 and the drill rod 62, and as the punching is continued, the core material moves up against the annular plate 631 and compresses the spring 633, and after the punching is completed, the compressed spring 633 is ejected from the core material in the drill barrel 61 through the annular plate 631 under the restoring elastic force.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The lathe for the central hole of the plunger sleeve of the oil pump nozzle comprises a base (1), and is characterized in that: the oil pump nozzle plunger punching device is characterized in that a mounting frame (2) and a clamp (7) for fixing the oil pump nozzle plunger are fixedly arranged at the top of the base (1), a linear module (3) is arranged on the mounting frame (2), a motor I (4) is fixedly arranged on a sliding block of the linear module (3), a reversing component (5) is arranged on an output shaft of the motor I (4), a punching component (6) is arranged on the reversing component (5), the punching component (6) comprises a drilling barrel (61) and a drilling rod (62) which are connected in a rotating mode and coaxially arranged, the rotating directions of the drilling barrel (61) and the drilling rod (62) are opposite, and when the drilling barrel (61) punches an oil pump nozzle plunger workpiece, the drilling rod (62) can eliminate axial force generated by the drilling barrel (61) on the oil pump nozzle plunger workpiece;
a plurality of rectangular grooves (612) distributed in a circumferential array are formed in the outer side of the drill cylinder (61), polishing plates (64) are arranged in the plurality of rectangular grooves (612), rotating shafts are fixedly installed in a penetrating mode of the polishing plates (64), two ends of the rotating shafts are respectively connected with inner walls of two sides of the rectangular grooves (612) in a rotating mode, and two sides of the polishing plates (64) are arranged in a rough surface mode;
the outside slip cap of boring section of thick bamboo (61) is equipped with annular circle (65), the outside of a plurality of polishing boards (64) is being overlapped to annular circle (65), a plurality of spacing grooves (613) that are circumference array distribution are seted up in the outside of boring section of thick bamboo (61), fixedly mounted has a plurality of stopper (651) that are circumference array distribution on the inner wall of annular circle (65), a plurality of stopper (651) respectively with the inner wall sliding connection of corresponding spacing groove (613), when just punching, annular circle (65) cover in the outside of a plurality of polishing boards (64) to make a plurality of polishing boards (64) all accomodate in corresponding rectangular groove 612, along with the increase of drilling depth, a plurality of polishing boards (64) are moved up and are broken away from a plurality of polishing boards (64) completely, after punching, a plurality of polishing boards (64) will run through the hole that oil pump oil nozzle plunger work piece was polished, and when a plurality of polishing boards (64) are taken out from oil pump oil nozzle plunger work piece downthehole, a plurality of polishing boards (64) all change into the horizontal state from boring section of thick bamboo (61) pivoted centrifugal force down to the bottom of polishing board (64) and the bottom edge that the bottom of the oil pump work piece can be polished to the top edge of the top of the oil pump work piece and the burr respectively.
2. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 1, wherein the lathe is characterized in that: the novel drilling machine is characterized in that an ejection mechanism (63) is arranged in the drilling barrel (61), the ejection mechanism (63) comprises an annular plate (631) which is in sliding connection with the inner wall of the drilling barrel (61), a plurality of balls (632) are installed in a circumferential rotating mode at the bottom of the annular plate (631), a spring (633) is fixedly installed at the top of the annular plate (631), the top of the spring (633) is fixedly connected with the inner wall of the top of the drilling barrel (61), and the annular plate (631) and the spring (633) are sleeved on the outer side of the drill rod (62).
3. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 1, wherein the lathe is characterized in that: two rows of a plurality of chip removal holes (611) distributed in a circumferential array are formed in the outer side of the drill cylinder (61).
4. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 1, wherein the lathe is characterized in that: the reversing assembly (5) comprises a round box body (51) fixedly connected with a shell of the motor I (4) and a sun wheel (53) fixedly connected with an output shaft of the motor I (4), an inner gear ring (52) is rotatably arranged on the inner wall of the round box body (51), a plurality of planet gears (54) distributed in a circumferential array are meshed and arranged between the sun wheel (53) and the inner gear ring (52), the same planet carrier (55) is connected between the planet gears (54), an annular connecting plate (521) is fixedly arranged at the bottom of the inner gear ring (52), the top of a drill cylinder (61) extends into the round box body (51) and is fixedly connected with the bottom of the annular connecting plate (521), and the top end of a drill rod (62) penetrates through the planet carrier (55) and the annular connecting plate (521) and is fixedly connected with the bottom of the sun wheel (53).
5. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 4, wherein: the utility model discloses a motor, including round box (51) including motor, drill section of thick bamboo (61), a plurality of connecting rods (511) that are circumference array distribution are all offered on top and the inner wall of round box (51) respectively, the output shaft of motor (4) runs through mounting mouth one (512) and with the inner wall clearance fit of mounting mouth one (512), drill section of thick bamboo (61) run through mounting mouth two (513) and with the inner wall clearance fit of mounting mouth two (513), the top fixed mounting of round box (51) has a plurality of connecting rods (511) that are circumference array distribution, the top of a plurality of connecting rods (511) all is with the shell fixed connection of motor one (4).
6. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 5, wherein: the planet carrier (55) comprises a mounting plate (551) with a central hole, a plurality of planet gears (54) are located at the bottom of the mounting plate (551), a plurality of optical axes (552) distributed in a circumferential array are fixedly installed on the mounting plate (551) in a penetrating mode, the planet gears (54) are respectively rotatably sleeved on the outer sides of the corresponding optical axes (552), and the top ends of the optical axes (552) are fixedly connected with the inner wall of the top of the round box body (51).
7. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 1, wherein the lathe is characterized in that: the fixture (7) comprises a mounting seat (71), a sliding groove (72) is formed in the top of the mounting seat (71), two clamping jaws (73) which are symmetrically distributed are arranged in the sliding groove (72), the same screw rod (74) is rotatably arranged on the inner walls of the two sides of the sliding groove (72), the screw rod (74) penetrates through the two clamping jaws (73) and is in threaded connection with the two clamping jaws (73), a motor II (75) is fixedly arranged on one side of the mounting seat (71), and one end of the screw rod (74) penetrates through the mounting seat (71) and is fixedly connected with an output shaft of the motor II (75).
8. The lathe for the central hole of the plunger sleeve of the oil pump nozzle according to claim 7, wherein: two sections of threads with opposite rotation directions are arranged on the screw rod (74), and the two clamping jaws (73) are respectively matched with the threads with the corresponding rotation directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310252238.2A CN115958421B (en) | 2023-03-16 | 2023-03-16 | Lathe for central hole of plunger sleeve of oil pump nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310252238.2A CN115958421B (en) | 2023-03-16 | 2023-03-16 | Lathe for central hole of plunger sleeve of oil pump nozzle |
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| CN115958421A CN115958421A (en) | 2023-04-14 |
| CN115958421B true CN115958421B (en) | 2023-05-23 |
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| CN116276126B (en) * | 2023-05-22 | 2023-08-04 | 宁波吉烨汽配模具有限公司 | Automatic processing device for die-casting parts of rectangular shell |
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| CN106968598B (en) * | 2017-05-04 | 2019-01-08 | 西南石油大学 | A kind of unconventional super tight stratum large torque boring means |
| CN108673154A (en) * | 2018-07-18 | 2018-10-19 | 重庆炅达贸易有限公司 | Auto parts machinery production process equipment |
| CN211440381U (en) * | 2019-11-25 | 2020-09-08 | 诸暨瑞宝特五金工具有限公司 | Saw-tooth diamond engineering thin-wall drill bit |
| CN111906341A (en) * | 2020-07-31 | 2020-11-10 | 江苏久高电子科技有限公司 | Material processing punching equipment for satellite equipment manufacturing and punching method thereof |
| CN213288752U (en) * | 2020-08-14 | 2021-05-28 | 六恒金属科技(昆山)有限公司 | Perforating device is used in cell-phone production |
| CN214443322U (en) * | 2020-11-30 | 2021-10-22 | 天津捷诺紧固科技有限公司 | Mechanical hole opening drill bit |
| CN112400413A (en) * | 2021-01-18 | 2021-02-26 | 余杏花 | Garden tree is with device of digging pit |
| CN113107476B (en) * | 2021-04-19 | 2023-07-14 | 李娟� | Surface sampling analysis device for mineral exploration |
| CN113958273A (en) * | 2021-10-09 | 2022-01-21 | 潜江竣油石油机械制造有限公司 | Automatic underground positioning device for petroleum drilling |
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2023
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